Abstract
A torque capacity expandable device and method for a torque multiplier are introduced. The device includes a connection sleeve and a torque multiplier. The connection sleeve, fitted to a torque wrench and the torque multiplier and fastened, has a force-applied end corresponding in dimensions to a force-applying end of the torque wrench and has another end corresponding in dimensions to the force-applied end of the torque multiplier. An integral fastening mechanism is integrally fitted to or formed with each of the two ends of the torque multiplier. Its force-applied end fastening mechanism has the same dimensions as the force-applying end fastening mechanism of connection sleeve. Its force-applying end fastening mechanism has the same dimensions as the force-applied end fastening mechanism of a reaction arm disposed at the force-applying end fastening mechanism of torque multiplier.
Claims
1. A torque capacity expandable device for a torque multiplier, the device comprising: a connection sleeve having a force-applied end fastening mechanism and a force-applying end fastening mechanism, with the force-applied end fastening mechanism fittedly connected to a force-applying end fastening mechanism of a torque wrench, wherein the force-applying end fastening mechanism of the connection sleeve is fittedly connected to the force-applied end fastening mechanism of the customized torque multiplier; and a customized torque multiplier having a single-stage or multi-stage reduction gearing mechanism for expanding an input torque, the customized torque multiplier having a casing, a force-applied end fastening mechanism and a force-applying end fastening mechanism, wherein the force-applied end fastening mechanism of the customized torque multiplier is fittedly connected to the force-applying end fastening mechanism of the connection sleeve, thereby allowing the torque wrench, the connection sleeve and the customized torque multiplier to be fitted to each other to form an integral structure.
2. The device of claim 1, wherein the connection sleeve is made of metal, and the connection sleeve has sufficient structural strength to sustain the torque wrench and the customized torque multiplier.
3. The device of claim 1, wherein the connection sleeve is made of non-metal, and the connection sleeve has sufficient structural strength to sustain the torque wrench and the customized torque multiplier.
4. The device of claim 1, wherein the force-applied end fastening mechanism of the connection sleeve corresponds in dimensions and type to the force-applying end fastening mechanism of the torque wrench, and the force-applying end fastening mechanism of the connection sleeve corresponds in dimensions and type to the force-applied end fastening mechanism of the customized torque multiplier, thereby being fixed in place with fastening elements after being fittedly connected.
5. The device of claim 1, wherein the force-applied end fastening mechanism of the customized torque multiplier corresponds in dimensions and type to the force-applying end fastening mechanism of the connection sleeve, and the force-applying end fastening mechanism of the customized torque multiplier corresponds in dimensions and type to the force-applied end fastening mechanism of the reaction arm or the force-applied end fastening mechanism of another connection sleeve.
6. The device of claim 1, wherein a casing of the customized torque multiplier and the force-applied end fastening mechanism of the customized torque multiplier are fittedly formed, whereas the casing of the customized torque multiplier and the force-applying end fastening mechanism of the customized torque multiplier are fittedly formed.
7. The device of claim 1, wherein the casing of the customized torque multiplier and the force-applied end fastening mechanism of the customized torque multiplier are integrally formed, or the casing of the customized torque multiplier and the force-applying end fastening mechanism of the customized torque multiplier are integrally formed.
8. The device of claim 1, wherein a force-applied bushing of the customized torque multiplier corresponds in dimensions and type to a force-applying anvil sustaining the torque wrench.
9. A torque capacity expandable method for a torque multiplier, the method entails fitting a force-applied end fastening mechanism and a force-applying end fastening mechanism of a connection sleeve to a torque wrench and customized torque multipliers of different torque magnification ratios, respectively, to expand torque capacity.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0023] FIG. 1A (PRIOR ART) is the first schematic view of a torque multiplier.
[0024] FIG. 1B (PRIOR ART) is the second schematic view of the torque multiplier.
[0025] FIG. 1C (PRIOR ART) is the third schematic view of the torque multiplier.
[0026] FIG. 2A (PRIOR ART) is the first schematic view of a hand-driven torque multiplier.
[0027] FIG. 2B (PRIOR ART) is the second schematic view of the hand-driven torque multiplier.
[0028] FIG. 3 (PRIOR ART) is a schematic view of application of the hand-driven torque multiplier.
[0029] FIG. 4A (PRIOR ART) is a schematic view of a reduction gearing device of a torque multiplier.
[0030] FIG. 4B (PRIOR ART) is a schematic view of the torque multiplier.
[0031] FIG. 5A (PRIOR ART) is the first schematic view of a pneumatically-driven torque multiplier for use in torque expansion.
[0032] FIG. 5B (PRIOR ART) is the second schematic view of the pneumatically-driven torque multiplier for use in torque expansion.
[0033] FIG. 5C (PRIOR ART) is the third schematic view of the pneumatically-driven torque multiplier for use in torque expansion.
[0034] FIG. 5D (PRIOR ART) is the fourth schematic view of the pneumatically-driven torque multiplier for use in torque expansion.
[0035] FIG. 6A (PRIOR ART) is a schematic view of a device whereby the hand-driven torque multiplier expands torque.
[0036] FIG. 6B (PRIOR ART) is a schematic view of application of the hand-driven torque multiplier.
[0037] FIG. 7 (PRIOR ART) is another schematic view of the device whereby the hand-driven torque multiplier expands torque.
[0038] FIG. 8A is the first schematic view of a connection sleeve of the present disclosure.
[0039] FIG. 8B is the second schematic view of the connection sleeve of the present disclosure.
[0040] FIG. 9A is the first schematic view of a casing of the customized torque multiplier and a fastening mechanism of the present disclosure.
[0041] FIG. 9B is the second schematic view of the casing of the customized torque multiplier and the fastening mechanism of the present disclosure.
[0042] FIG. 9C is the third schematic view of the casing of the customized torque multiplier and the fastening mechanism of the present disclosure.
[0043] FIG. 10 is a schematic view of the device of the present disclosure in torque expansion in the presence of the hand-driven torque multiplier according to the present disclosure.
[0044] FIG. 11A is an exploded view of the device of the present disclosure in torque expansion in the presence of a pneumatically-driven torque multiplier according to the present disclosure.
[0045] FIG. 11B is a schematic view of the device of the present disclosure in torque expansion in the presence of the pneumatically-driven torque multiplier according to the present disclosure.
[0046] FIG. 12A is the first schematic view of the device of the present disclosure in torque expansion in the presence of the pneumatically-driven torque multiplier according to the present disclosure.
[0047] FIG. 12B is second schematic view of the device of the present disclosure in torque expansion in the presence of the pneumatically-driven torque multiplier according to the present disclosure.
[0048] FIG. 12C is the third schematic view of the device of the present disclosure in torque expansion in the presence of the pneumatically-driven torque multiplier according to the present disclosure.
[0049] FIG. 13 is an exploded view of the device of the present disclosure in torque expansion in the presence of the pneumatically-driven torque multiplier according to the present disclosure.
[0050] FIG. 14 is an exploded view of the device of the present disclosure in torque expansion in the presence of the pneumatically-driven torque multiplier according to the present disclosure.
DETAILED DESCRIPTION OF THE INVENTION
[0051] To facilitate understanding of the object, characteristics and effects of this present disclosure, embodiments together with the attached drawings for the detailed description of the present disclosure are provided.
[0052] Referring to FIG. 8A and FIG. 8B, the diagrams show connection sleeves 60, 61 of the present disclosure. As shown in FIG. 8A, force-applied end fastening mechanism 601 of connection sleeve 60 is polygonal. As shown in FIG. 8B, force-applied end fastening mechanism 611 of connection sleeve 61 is dentate. As shown in FIG. 8A and FIG. 8B, force-applying end fastening mechanisms 602, 612 of connection sleeves 60, 61 are dentate. Furthermore, connection sleeves 60, 61 are made in accordance the type and dimensions of the force-applying end fastening mechanism or force-applied end fastening mechanism of the customized torque multiplier fitted in place to attain rigid contact and become non-rotatable relative to each other.
[0053] Referring to FIG. 9A through FIG. 9C, the diagrams show casings 701, 711, 721 of customized torque multipliers 70, 71, 72 and force-applied end fastening mechanisms 702, 712, 722 and force-applying end fastening mechanisms 703, 713, 723 of customized torque multipliers 70, 71, 72 of different types. Referring to FIG. 9A, force-applied end fastening mechanism 702 and force-applying end fastening mechanism 703 of customized torque multiplier 70 are joined to and fitted to two edges of casing 701, respectively. The force-applied end fastening mechanism 702 and force-applying end fastening mechanism 703 correspond in dimensions and type of the fastening mechanisms at two joining ends of the two edges of the casing 701, respectively. A reduction gearing mechanism (not shown) is mounted in place inside casing 701 and disposed between force-applied end fastening mechanism 702 and force-applying end fastening mechanism 703. Referring to FIG. 9B, the force-applying end fastening mechanism 713 of customized torque multiplier 71 and the casing 711 are integrally formed; after the reduction gearing mechanism (not shown) has been mounted in place inside the casing 711, the force-applied end fastening mechanism 712 is fitted to the casing 711. Referring to FIG. 9C, the force-applied end fastening mechanism 722 of the customized torque multiplier 72 and the casing 721 are integrally formed; after the reduction gearing mechanism (not shown) has been mounted in place inside the casing 721, the force-applying end fastening mechanism 723 is fitted to the casing 721.
[0054] Referring to FIG. 10, the diagram shows the device of the present disclosure applicable to a hand-driven torque multiplier in torque expansion. During its operation, the device of the present disclosure uses one of the customized torque multipliers 70, 71, 72 shown in FIG. 9A through FIG. 9C to fit to one of the connection sleeves 60, 61 shown in FIG. 8A and FIG. 8B. As shown in FIG. 10, the force-applying anvil of force-applying end fastening mechanism 401 of hand-driven torque wrench 40 is fitted to the force-applied bushing of force-applied end fastening mechanism 732 of customized torque multiplier 73; the force-applying anvil of force-applying end fastening mechanism 401 of hand-driven torque wrench 40 corresponds in dimensions and type to the force-applied bushing of force-applied end fastening mechanism 732 of customized torque multiplier 73, allowing force-applying end fastening mechanism 733 of customized torque multiplier 73 to fit to force-applied end fastening mechanism 601 of connection sleeve 60, allowing force-applying end fastening mechanism 733 of customized torque multiplier 73 to correspond in dimensions and type to force-applied end fastening mechanism 601 of connection sleeve 60. Then, force-applying end 602 of connection sleeve 60 is fitted to one of the customized torque multipliers 70, 71, 72 shown in FIG. 9A through FIG. 9C. The force-applying end fastening mechanism 602 of connection sleeve 60 corresponds in dimensions and type to the force-applied end fastening mechanism 731′ of customized torque multiplier 73′. After that, force-applying end fastening mechanism 733′ of customized torque multiplier 73′ is fitted to the reaction arm 11 in order to start the bolting process. The force-applying end fastening mechanism 733′ of customized torque multiplier 73′ corresponds in dimensions and type to the force-applied end fastening mechanism 111 of reaction arm 11. Furthermore, in this embodiment, force-applied end fastening mechanisms 732, 732′ and force-applying end fastening mechanisms 733, 733′ are directly formed at the outer edges of casings 731, 731′ of two customized torque multipliers 73, 73′.
[0055] Referring to FIG. 11A, the diagram shows the device of the present disclosure applicable to a pneumatically-driven torque multiplier (or electrically-driven torque multiplier) in torque expansion. The force-applying end fastening mechanism 501 of the low-torque, high-rotation-speed pneumatically-driven torque wrench 50 is fitted to the force-applied end fastening mechanism 601 of the connection sleeve 60. The connection sleeve 60 is one of the connection sleeves 60, 61 shown in FIG. 8A and FIG. 8B. The force-applying end fastening mechanism 501 of the pneumatically-driven torque wrench 50 corresponds in dimensions and type to the force-applied end fastening mechanism 601 of the connection sleeve 60. Then, the force-applying end fastening mechanism 602 of the connection sleeve 60 is fittedly connected to force-applied end fastening mechanisms 702, 702′, 702″ of customized torque multipliers 70, 70′, 70″. In this embodiment, force-applied end fastening mechanisms 702, 702′, 702″ are of the same dimensions and type and match force-applying end fastening mechanism 602 of connection sleeve 60, such that connection sleeve 60 of the same dimensions and type can be fittedly connected to the same force-applied end fastening mechanisms 702, 702′, 702″. The customized torque multipliers 70, 71, 72 are of different specifications. The customized torque multipliers 70, 70′, 70″ are each a corresponding one of the customized torque multipliers 70, 71, 72 shown in FIG. 9A through FIG. 9C. The force-applying end fastening mechanism 602 of connection sleeve 60 corresponds in dimensions and type to force-applied end fastening mechanisms 702, 702′, 702″ of customized torque multipliers 70, 70′, 70″. The customized torque multipliers 70, 70′, 70″ are of multiple specifications, including different reduction ratios and torque magnification ratios. The force-applying end fastening mechanisms 703, 703′, 703″ of customized torque multipliers 70, 70′, 70″ match the reaction arms of different dimensions and types, respectively.
[0056] Referring to FIG. 11B, pneumatically-driven torque wrench 50, connection sleeve 60 and customized torque multiplier 70″ are fittedly connected to reaction arm 11″.
[0057] According to the present disclosure, the torque wrenches 40, 50, connection sleeves 60, 61 and customized torque multipliers 70, 70′, 70″, 71, 72, 73, 73′ are fitted together to form an integral structure. Furthermore, connection sleeves 60, 61 are made of metal or non-metal, whereas the connection sleeves 60, 61 have sufficient structural strength to sustain torque wrenches 40, 50 and customized torque multipliers 70, 70′, 70″, 71, 72, 73, 73′. The present disclosure further provides a torque capacity expandable method for a torque multiplier. The method involves fittedly connecting the force-applied end fastening mechanisms 601, 611 and force-applying end fastening mechanisms 602, 612 of connection sleeves 60, 61 to torque wrenches 40, 50 and customized torque multipliers 70, 70′, 70″, 71, 72, 73, 73′ for expanding torque capacity, respectively. The customized torque multipliers 70, 70′, 70″, 71, 72, 73, 73′ have multiple torque magnification ratios.
[0058] Referring to FIG. 12A, there is shown an exploded view, showing connection sleeve 60, customized torque multipliers 70, 70′, 70″ and pneumatically-driven torque wrench 50 (or electrically-driven torque wrench). The connection sleeve 60 is one of the connection sleeves 60, 61 shown in FIG. 8A and FIG. 8B. The customized torque multipliers 70, 70′, 70″ are each one of the customized torque multipliers 70, 71, 72 shown in FIG. 9A through FIG. 9C. The customized torque multiplier 70 has a single-stage reduction gearing mechanism 704 whereby the input torque can be expanded. The customized torque multiplier 70′ has a multi-stage reduction gearing mechanism 704′ whereby the input torque can be expanded. The customized torque multiplier 70″ has a multi-stage reduction gearing mechanism 704″ whereby the input torque can be expanded. FIG. 12B shows how connection sleeve 60, customized torque multipliers 70, 70′, 70″ and pneumatically-driven torque wrench 50 (or electrically-driven torque wrench) of FIG. 12A are fitted together. FIG. 12C shows how connection sleeve 60, customized torque multipliers 70, 70′, 70″ and pneumatically-driven torque wrench 50 (or electrically-driven torque wrench) and reaction arm 11 are fitted together. The connection sleeve 60 of FIG. 12A through FIG. 12C and FIG. 11A and FIG. 11B is of the same specifications, dimensions and type to thereby reduce production and inventory cost. However, the dimensions or fastening structure of connection sleeve 60 of FIG. 12A through FIG. 12C and FIG. 11A and FIG. 11B is subject to changes as needed.
[0059] Referring to FIG. 13, the pneumatically-driven torque multiplier (or electrically-driven torque multiplier) is applicable to at least one connection sleeve and at least one customized torque multiplier. Therefore, the pneumatically-driven torque multiplier (or electrically-driven torque multiplier) (which has one connection sleeve and one customized torque multiplier) can perform a multiple high-torque bolting process in a cost-efficient manner.
[0060] Referring to FIG. 14, the pneumatically-driven torque multiplier (or electrically-driven torque multiplier) operating in conjunction with a translational transmission mechanism is applicable to at least one connection sleeve and at least one customized torque multiplier through a translational transmission mechanism. Therefore, the pneumatically-driven torque multiplier effectuates long-distance torque transmission and torque expansion through the translational transmission mechanism and thereby effectively performs a mounting operation at a special working position.
[0061] While the present disclosure has been described by means of specific embodiments, numerous modifications and variations could be made thereto by those skilled in the art without departing from the scope and spirit of the present disclosure set forth in the claims.
