56 results about "Grouser" patented technology

Systems and methods which provide improved pipeline mats are provided herein. Such mats may include one or more of a plurality of the inventive features. For example, some embodiments provide for replaceable top surfaces which allow for portions of the mat to be replaced if in need of repairs, e.g. after excessive wear and tear, rotting, and the like. Further, embodiments may include a built-in air wick channel which allows for airflow to travel between stacked mats, thereby reducing the potential for a mat to rot. Some embodiments may also include a structure which allows for the mat to be moved using a forklift. Such structure may include grouser strips which help direct the forklift while also protecting the top surface from wear. Additionally, such structure may include built-in chocks disposed on the lower surface of the mat. These chocks may also facilitate the air wick channel.

A stabilizer pad construction is shown in which a pair of resilient laminated pad assemblies are mounted outboard on a weldment that is pivotally supported from a stabilizer arm of a vehicle. A latch device is also illustrated in two different embodiments that prevent self-flipping of the pad, particularly from the grouser side to the resilient pad side. The latch device uses either a capture recess or a capture tab for preventing rotation and includes a handle to permit the user to manually rotate the pad.

A device constituting a part of a band. The band being intended to be arranged around at least one wheel (2) of a vehicle for cooperation with a bed. The device comprising a grouser (1) intended to extend substantially across the envelope surface of the wheel (2), two members connected to the grouser and arranged at a mutually distance for forming a support for the grouser (1) on each side of the wheel (2). Connection members (4) including at least one opening (5) for receiving a part of a link element (6) fo connecting to devices being adjacent with respect to the longitudinal direction of the band. At least one of the support members (3) and one fo the connection members (4) are arranged in one piece to form a combination element (7). The opening (5) of the combination element (7) endings in a surface which is directed towards the grouser (1).

A grouser shoe for track drives commonly utilized by industrial and commercial equipment (e.g., bulldozers, backhoes, cranes, etc.) including a supportive pad and a ground engaging bar, the ends of such bar being bent to form wings, and method of manufacture thereof. The center portion of the bar provides the primary transmission of driveforce from the vehicle to the ground, while the wings provide for significant reduction in vibration, facilitate steering, provide easier turning, and extend the service life of the grouser shoe.

An elastic track shoe is provided wherein loosening of bolts is prevented by use of a rigid core bar and the thickness of an elastic body subjected to a load can be increased irrespective of grousers. To this end, the core bar is integrally formed by casting, forging or precutting, a ground engaging side of the core bar is covered with the elastic body, and a portion of the core bar defined by projection of a ground engaging face of the elastic body is divided into two parts.

The invention discloses a grouser-height-adjustable crawler traveling device which comprises a support, a belt wheel assembly mounted on the support and a traveling belt wound on the belt wheel assembly. The traveling belt is slidably provided with a plurality of extensible grousers which can stretch out or retract into the surface of the traveling belt. The support is provided with an extending control assembly used for controlling the extensible grousers on the section, making contact with the ground, of the traveling belt to stretch out or retract into the surface of the traveling belt. The grouser-height-adjustable crawler traveling device has the advantages of being simple in structure, easy to manufacture, low in cost, good in off road performance, high in adaptability and the like.

A customizable tire chain including U-shaped members, grouser bars, and connecting segments. The U-shaped members each have a first leg, second leg, and transverse portion that extends between the first and second legs. The first and second legs are positioned to receive an outer edge portion of a tire therebetween. The connecting segments may connect the first legs, second legs, or transverse portions of the U-shaped members together. A first side of each of the grouser bars includes a traction structure. The second side of each of the grouser bars is removably coupled to the transverse portion of a corresponding one of the U-shaped members. In some embodiments, first and second ends of the grouser bars each extend laterally beyond the transverse portion of the corresponding U-shaped member. In such embodiments, the grouser bars may be coupled together at their first and second ends by the connecting segments.

A mobile machine track shoe includes a ground engaging surface including a first grouser bar and a second grouser bar substantially parallel to the first grouser bar. The track shoe further includes a base opposite the ground engaging surface. The base includes a first relief disposed opposite the first grouser bar, and a second relief disposed opposite the second grouser bar.

The present invention relates to a track pad for a chain of a chain wheel drive, the track pad having a bearing surface provided with at least one grouser (1, 2), extending in the lateral direction of the bearing surface, wherein at least one flat part (4, 5) is provided next to at least one grouser part (1, 2) in the lateral direction of the bearing surface. Further, the invention comprises a track pad for a chain of a chain wheel drive, the track pad having a bearing surface provided with at least one grouser (32, 33) protruding from a base plate (40), the grouser (32, 33) extending in the lateral direction of the bearing surface, wherein the bearing surface of the base plate has a profile in the lateral direction.

A traction chain assembly for providing improved traction to elastomeric tracks is provided. The traction chain assembly comprises two side brackets adapted to be mounted on each side of the track and generally to the drive lugs thereof. The traction chain assembly further comprises generally two laterally extending chains which are attached to the side brackets and which further extend at least partially over the traction lugs located on the outer surface of the track and over which the assembly is disposed. Some of the chain links of the chains of the traction chain assembly are also generally equipped with outwardly projecting grousers for increasing the traction thereof.

A stabilizer pad construction is shown in which a pair of resilient laminated pad assemblies are mounted outboard on a weldment that is pivotally supported from a stabilizer arm of a vehicle. A latch device is also illustrated in two different embodiments that prevent self-flipping of the pad, particularly from the grouser side to the resilient pad side. The latch device uses either a capture recess or a capture tab for preventing rotation and includes a handle to permit the user to manually rotate the pad.

An elastic track shoe is provided wherein loosening of bolts is prevented by use of a rigid core bar and the thickness of an elastic body subjected to a load can be increased irrespective of grousers. To this end, the core bar is integrally formed by casting, forging or precutting, a ground engaging side of the core bar is covered with the elastic body, and a portion of the core bar defined by projection of a ground engaging face of the elastic body is divided into two parts.

A grouser shoe for track drives commonly utilized by industrial and commercial equipment (e.g., bulldozers, backhoes, cranes, etc.) comprising a supportive pad and a ground engaging bar, the ends of such bar being bent to form wings, and method of manufacture thereof. The center portion of the bar provides the primary transmission of driveforce from the vehicle to the ground, while the wings provide for significant reduction in vibration, facilitate steering, provide easier turning, and extend the service life of the grouser shoe.

A protective shelter including an enclosure having at least a floor, at least one sidewall coupled to the floor, a door, and a roof coupled to the at least one sidewall. The protective shelter further includes one or more members coupled to the enclosure that support the protective shelter on a substrate and a resilient grouser attached to at least one of the one or more members and in contact with the substrate.

A crawler-type fire-fighting robot includes a crawler and rollers. The track has two rows of tooth irons arranged in parallel, and the bottom of the roller has two rows of tooth irons arranged correspondingly to the track tooth irons, so that the two rows of tooth irons on the track and the two rows of tooth irons on the rollers are of the same polarity. In this way, the rollers are occluded on the track due to the polarity of the tooth irons and the tooth irons. The rotating shaft of the roller rod drives a water spray device, which includes a driving motor installed in the rollers, which is used to drive the rollers to rotate and pass through the machine body. The air blower sprays powder and liquid to extinguish the fire through a nozzle opening to the front at the bottom of the roller, and simultaneously pushes the robot crawler forward. The invention changes the wheeled walking mode of the conventional fire-fighting robot, and utilizes the self-laying support function of the crawler belt to make the rollers run smoothly on the crawler belt and pass through various obstacles in the fire field to activate the fire extinguishing device to extinguish the fire in the fire field.

The invention relates to a lift and a tower crane and belongs to the technical field of building equipment. The lift is applied to the tower crane and comprises a lift car, a driving mechanism and twocrawling mechanisms. The driving mechanism is detachably arranged in the lift car; each of the crawling mechanisms comprises a caterpillar band, a driving wheel set and a shoe assembly; the caterpillar band is of a chain-ring structure, the driving wheel set is located in a chain ring, the driving wheel set is connected to the driving mechanism and is used for driving the caterpillar band to rotate, the shoe assembly is arranged around the periphery of the caterpillar band, and the shoe assembly is used for being matched with a step of the tower crane and suspending the crawling mechanisms onthe tower crane. The lift arranged on the tower crane is small in occupied space, and a tower crane driver can be safely and reliably delivered to a cab, so that the efficiency is improved, and unnecessary troubles of the tower crane driver are avoided; a guide rail is modified by a standard knot of the tower crane and unnecessary guide rails are unnecessarily mounted. The lift can climb on the tower crane initiatively, and is stably connected to the tower crane, so that the safety performance and the comfort performance of the integral lift are improved.

The invention discloses a self-propelled miniature rotary cultivator. A main plate is arranged in the middle of the whole device, two handles are arranged on the rear side of the upper surface of themain plate, a connecting rod is arranged at the middle sections of the two handles, a supporting plate is arranged on the rear side of the connecting rod, a hydraulic valve is arranged on the upper side of the supporting plate, rocking bars are arranged at the top of the hydraulic valve, an oil tank is arranged in the middle of the upper side of the main plate, an engine is arranged on the front side of the oil tank, and a hydraulic pump is arranged on the left side of the engine; a fixing base is arranged on the front side of the engine, a connection shaft is arranged at the bottom of the fixing base, a baffle is arranged at the bottom of the connection shaft, an unloading groove is formed in the bottom end of the baffle, side plates are arranged on both sides of the baffle, hydraulic motors are arranged on the outer sides of the side plates, a connecting shaft is arranged in the baffle, and a connecting plate is arranged in the middle of the connecting shaft; a rotary base is arranged at the bottom of the main plate, a rotary disc is arranged at the bottom of the rotary base, three hydraulic cylinders are arranged at the bottom of the rotary disc, hydraulic rods are arranged at the bottoms of the hydraulic cylinders, and a soil grouser is arranged at the bottoms of the hydraulic rods. The self-propelled miniature rotary cultivator is convenient to move, stable in power outputand high in working efficiency.

The invention discloses a grouser device special for a mining vehicle and capable of adapting to different deep sea surface layer soil properties. The grouser device special for the mining vehicle andcapable of adapting to the different deep sea surface layer soil properties involves a track body, a plurality of long-strip holes arranged in parallel are formed in the upper surface of the track body, a long strip-shaped grouser capable of freely moving up and down along the corresponding long-strip hole is arranged in each long-strip hole, baffles with the width larger than the width of the long-strip holes are fixed at the lower ends of the grousers, groove-type mounting seats are fixed at the lower ends of the baffles, the adjacent two grousers are in a group, the plurality of grousers are divided into a plurality of grouser combinations independent from one another, the mounting seat of each group of grousers is rotationally connected with one corresponding grouser push plate through a pin, each grouser push plate is controlled by a hydraulic control and pushing device arranged in a cavity in the middle of the track body, vane-shear apparatus is arranged at each of the front endand the rear end of the cavity in the middle of the track body, and the vane-shear apparatus is connected with controllers of the hydraulic control and pushing devices through data lines. The invention further discloses a using method of the device.

A traction chain assembly for providing improved traction to elastomeric tracks is provided. The traction chain assembly comprises two side brackets adapted to be mounted on each side of the track and generally to the drive lugs thereof. The traction chain assembly further comprises generally two laterally extending chains which are attached to the side brackets and which further extend at least partially over the traction lugs located on the outer surface of the track and over which the assembly is disposed. Some of the chain links of the chains of the traction chain assembly are also generally equipped with outwardly projecting grousers for increasing the traction thereof.

The invention discloses a crawler walking chassis with grouser angle adjustable. The crawler walking chassis comprises a support seat, two crawler walking devices mounted on the two sides of the support seat respectively and a drive device mounted on the support seat. Each crawler walking device includes a rack, a pulley unit mounted on the rack and a running crawler belt wound around the pulley unit. The drive device is connected with the pulley unit, a plurality of spaced-apart grouser plates are arranged on the running crawler belt, and each spaced-apart grouser plate is installed on the running crawler belt through a rotary mechanism and rotates around the axis perpendicular to the outer surface of the running crawler belt. Each crawler walking device is further provided with an angle adjusting device for adjusting the rotation angle of each grouser plate. The crawler walking chassis with the grouser angle adjustable has the advantages of small damage to the soil, good steering ability, small power loss, good adaptability and the like.

Disclosed herein is a traction device for providing traction to a tracked vehicle, in accordance with some embodiments. Accordingly, the traction device comprises a grouser bar, a down plate, a bottom plate, a pressure plate, and a bolt. Further, the grouser bar comprises a traction element comprised in a top surface of the grouser bar. Further, the traction element is configured to interface with a surface for providing traction for the track on the surface. Further, the down plate is attached to the grouser bar. Further, the bottom plate is attached to the down plate. Further, the pressure plate is movably disposed between the grouser bar and the bottom plate. Further, the bolt is movably coupled with the pressure plate. Further, the bolt is configured for moving the pressure plate between positions in relation to the bottom plate based on an action receivable on a second end of the bolt.

A track pad for a crawler, especially operating in a landfill, having a generally rectangular base plate with holes for attachment to a track chain link, the base plate having front, rear and side edges, a high rise grouser on the base plate, the grouser projecting from the base plate a distance substantially greater than conventional grousers, the grouser having a central portion with the general configuration of a plate with an edge distal from the base plate, the central portion being generally laterally centered on the base plate, the grouser being devoid of areas projecting significantly from the base plate adjacent the side edges of the base plate.

The invention relates to a portable valve operation device which is characterized by comprising a power source, a power source transmission mechanism, a connector and a hand wheel connecting chuck, wherein the power source is connected with the power transmission mechanism through the connector; the connector is connected with the power source; the output end of the power transmission mechanism is bonded with a central hole in the hand wheel connecting chuck; a plurality of grousers are screwed with the plane of the hand wheel connecting chuck so as to form a hand wheel locking mechanism. The portable valve operation device has the beneficial effects that the tool is simple in structure, convenient to carry, small in size and simple and convenient to operate, the safety coefficient of valve operation can be increased, the valve operation efficiency can be improved, operation of multiple tube diameters and multiple types of valves can be achieved, and operation on valves in multiple directions can be also achieved. Operation danger site sources can be reduced, the working safety can be improved, the time for opening and closing the valves can be shortened, the working efficiency can be improved, and opening and closing of multiple types of valves can be achieved.

An elastic track shoe, comprising a mandrel integrally formed by casting, forging, or cutting, wherein the ground-contact surface side of the mandrel is covered with an elastic body, and the shape of the portion of the mandrel on which the ground-contact surface of the elastic body is projected is formed such that the mandrel is divided into two parts, whereby, by using the rigid mandrel, the occurrence of looseness of bolts can be avoided, and the thickness of the elastic body receiving a load can be increased irrespective of a grouser.

A step-by-step rice weeder capable of raking, throwing and weeding the soil at one time. Friction ring clutch, universal coupling, when the machine is working, the gasoline engine provides power to drive the weeding wheel to rotate and weed, and at the same time use the reaction force of the soil to provide power for the advance of the weeding machine; during the rotation, the weeding wheel The weeding tooth blades go down into the soil and rake the soil to bury the weeds between the rice rows; the tooth blades throw the soil backward during the unearthed process; the power is transmitted to the transmission system through the clutch, and the worm gear transmission system is used for deceleration, After reversing and increasing the torque, the weeding wheel is driven to rotate to carry out weeding operations and provide forward power; the stepping rice weeder has the characteristics of high production efficiency, low labor intensity, compact structure, and convenient movement.

The invention relates to a rolling grouser method and a rolling grouser structure. The rolling grouser method is adopted, rolling friction matching between a grouser and wheel bodies replaces traditional sliding friction matching, rollers capable of rotating transversely are fixedly disposed at the positions, where the grouser and the wheel bodies transversely and mutually butt against, on a crawler device, the rollers are matched with the side faces of the crawler wheel bodies in a rolling manner, and through rolling and butting against matching, transverse force on various wheel bodies on the crawler device is transmitted to a crawler to guide a moving direction of the crawler. The rolling grouser structure designed with the rolling grouser method is adopted to match with the wheel bodies of the crawler device, so that friction force between the grouser and the various wheel bodies can be reduced effectively, and particularly internal molecular structure heat effect caused by sliding friction of a rubber crawler is reduced, and internal molecular structural collapse caused by heat effect temperature rising of the rubber crawler is avoided effectively.

A crawler vehicle drive system, in particular for a crawler vehicle for grooming ski slopes, having: a drive wheel (6) rotating about a first rotation axis (A1); an idle wheel (7) rotating about a second rotation axis (A2) parallel to the first rotation axis (A1); and a track (8) looped around the drive wheel (6) and the idle wheel (7), and comprising a plurality of belts (17, 18) made of an elastomeric material and a plurality of metal grousers (16) fixed to the belt (17, 18); wherein at least one belt (18) has at least one continuous toothed strip (19) extending along the inner face of the belt (18) and designed to mesh with the drive wheel (6).

The utility model relates to a large-scale cable rod type extension arm expansion drive mechanism, which relates to a space cable rod type extension arm expansion drive mechanism. It can solve the problem that the large cable-rod extension arm in the existing space is driven by a four-thread spiral lifting sleeve mechanism, which has high manufacturing precision and high manufacturing process requirements, and the extension arm is easy to "stuck". The bottom end cover (1), the retracting sleeve (2), the derotation sleeve (3), and the driving sleeve (4) are fixed together, and the inner wall of the derotation sleeve (3) is provided with eight curved grooves ( 15), eight linear tracks (9) are fixedly installed on the inner wall of the retracting sleeve (2), and the driving sprocket (10) and driven sprocket (13) driven by the chain (11) and the driving sleeve (4) Fixed connection, three chain tooth pieces (12) are equidistantly installed on each chain (11), and rollers (6) are fixedly installed on each top angle of the cable-bar type extension arm assembly, and the rollers (6) are inlaid with The stretch arm tooth piece (5), the chain tooth piece (12) meshes with the stretch arm tooth piece (5), and the driving sprocket (10) is connected by a reversing transmission mechanism. The invention has the advantage of strong ability to accommodate the deformation and processing errors of the extension arm.

The invention discloses a caterpillar track with adjustable track grouser height. The caterpillar track comprises a walking track, multiple through holes are formed in the walking track, telescopic track grousers capable of stretching out or retracting into the surface of the walking track are arranged in all the through holes, and elastic mechanisms making the telescopic track grousers stretch out of the surface of the walking track are arranged between the walking track and all the telescopic track grousers. The caterpillar track with the adjustable track grouser height has the advantages of being simple in structure, easy to manufacture, low in cost, high in cross-country performance, high in adaptability and defensive performance and the like.