A conveyor belt (10) of closed-path type comprising a plurality of transport plates (50), defining a transport surface for the material in a forward run of the conveyor belt itself, which plates are arranged in sequence along a longitudinal transport direction (L), wherein each plate bears a first (55) and a second (56) longitudinal end portion thereat, in said forward run, it is respectively superimposed on an adjacent plate arranged upstream of the sequence with respect to the longitudinal transport direction and placed under an adjacent plate arranged downstream in such sequence, or vice versa; and an annular structure (51) for connecting said plates being arranged, in said forward run, below said plates, wherein at least one of said plates, at said first or second longitudinal portion of superimposing or placing under an adjacent plate, has a cross section with thickness (s) decreased with respect to a remaining portion of the plate itself.

A transport unit, a material transfer structure and a material transfer unit for a mobile haulage arrangement are arranged for continuously conveying fragmented material in a conveying direction. A mobile haulage arrangement and a method for continuously conveying fragmented material in a conveying direction is also disclosed. The transport unit includes two ground transportation structures and a support frame suitable for fitting a belt of an enclosed belt conveyor thereunder. The ground transportation structures has at least one height adjustment device, wherein the support frame comprises at least one connector, which is arranged for connecting a support structure thereto. The height adjustment devices are arranged to vary the position of at least a portion of the support frame in relation to the ground transportation structures.

A conveyor sled assembly is utilized to supply proppant in support of oilfield hydraulic fracturing operations. The conveyor sled assembly includes precisely positioned components where tolerances between components are so small as to prevent significant spillage at component junction boundaries. This manner of fitting proppant pods onto the conveyor sled assembly increases predictability of which pods will discharge their proppant load first. This enhances reliability of the overall proppant delivery system.

In accordance with presently disclosed embodiments, systems and methods for using containers, instead of pneumatic transfer, to move bulk material from a transportation unit to a blender receptacle (e.g., hopper or mixer of a blender) are provided. A transportation unit may deliver multiple containers of bulk material to the well site, where multiple conveyors may deliver the containers to a location proximate the blender receptacle. Openings at the bottom of the containers are arranged adjacent one another so that the load of two containers may be delivered to the tight space occupied by the blender receptacle. Since the transportation unit is able to unload the containers of bulk material without pneumatic transfer, the containers may enable a cleaner and more efficient bulk material transfer at the site.

A conveyor chain includes a first link, a second link, and a coupler link. The first link includes a first sprocket-engaging portion and a second sprocket-engaging portion, each protruding laterally away from one another. The second link includes a first sprocket-engaging portion and a second sprocket-engaging portion, each protruding laterally away from one another. The coupler link couples the first link to the second link, and the coupler link is positioned laterally between the first sprocket-engaging portion and the second sprocket-engaging portion of each link. The coupler link includes a first joint pivotably coupled to the first link and a second joint pivotably coupled to the second link. The first joint permits pivoting movement of the first link about a plurality of axes, and the second joint permits pivoting movement of the second link about a plurality of axes.

A system for distributing a fracking proppant at a well site using a support frame to position a series of storage containers above a conveyor. The support frame receives a plurality of storage container and aligns the storage containers with hoppers formed on the conveyor. The support frame can include outriggers that extend to increase the stability and the amount of supported weight. The support frame includes a series of cross supports that extend across the conveyor belts to support the storage containers. The cross supports can include load cells to monitor the weight of the storage containers and stored proppant. The width of the cross supports can be adjusted and the support frame can include an extension frame to expand the width of the support frame. A control panel is included to display the status of the containers (full/empty/partially full) and control and monitoring the discharge rate of the plurality of containers.

A sod harvester can include an auxiliary stacking conveyor for stacking or folding slabs of sod on a conveyor prior to the stacked/folded slabs being removed from a stacking conveyor by a stacking head. The auxiliary stacking conveyor can be configured to receive a leading slab of sod and then stack the leading slab on top of a trailing slab while the trailing slab is being advanced along a conveyor. The auxiliary stacking conveyor can also be configured to partially receive a slab of sod and then reverse direction to cause the slab to be folded backwards on top of itself while being advanced along a conveyor. Different configurations can be employed to cause slabs to be selectively positioned on an auxiliary stacking conveyor.

A drive mechanism for a chain conveyor includes an elongated shaft that extends along an axis and is configured to be driven to rotate by a motor. A sprocket is integrally formed with the shaft. The sprocket includes a plurality of lobes that extend around a perimeter of the shaft. Each lobe is spaced apart from an adjacent lobe by a recessed portion. Each of the recessed portions is configured to receive a drive pin of the chain conveyor.

The present invention pertains a replacement liner (10) for insertion in a conveyor pan (100) of a chain type conveyor (200), comprising a floor part (12) having a left connection surface (14) and a right connection surface (16), a left side part (18) having a left side part connection surface (20) connectable to the left connection surface (14), and a right side part (22) having a right side part connection surface (24) connectable to the right connection surface (16). The connection surfaces (14, 20, 16, 24) are configured to form, in a connected state, a form-fitted connection with their complementary connection surface (14, 20; 16, 24). The present invention further pertains to a conveyor pan (100), a chain type conveyor (200) comprising such, a liner replacement method and a liner sheet.

A train load-out arrangement having a hopper for operatively containing particulate material and includes a discharge chute with a controllable gate or valve via which the material is operatively dischargeable into ore wagons of a rail. The arrangement includes a first track scale arranged on the track distal from the discharge chute, as well as a second track scale arranged on the track directly underneath the discharge chute. Arrangement also includes a controller arranged in signal communication with the gate and track scales and configured to determine a first wagon axle weight-displacement profile via the first track scale and a second wagon axle weight-displacement profile via the second track scale as material is discharged into a wagon, and compare said first and second wagon axle weight-displacement profiles to produce a real-time noise-compensated wagon axle weight-displacement profile.