129results about "Mobile jacks" patented technology

A handling truck comprises a mast assembly, a base, a moving assembly, and a connecting member. The base is fixedly disposed at the bottom end of the mast assembly, and the base is provided with a socket portion. The moving assembly includes a leg assembly and a connecting portion, wherein one end of the connecting portion is connected to the leg assembly, and the other end of the connecting portion is configured for socket engagement with the socket portion. The moving assembly is configured to drive the mast assembly to move on a plane. The connecting member is configured to pass through the socket portion and the connecting portion to achieve a detachable connection between the moving assembly and the base. The present application provides a handling truck capable of reducing packaging costs and transportation costs.

Hydraulic fluid release valve assemblies are described herein. The hydraulic fluid release valve assemblies may include a hydraulic unit base with a hydraulic fluid return channel and a hydraulic fluid release valve that is at least partially inserted in the hydraulic fluid return channel. The hydraulic fluid release valve assembly may further include a driving assembly to contact with the hydraulic fluid release valve to apply a pushing force on the hydraulic release valve to open the hydraulic fluid release valve, and an electrically powered driver connected to the driving assembly, the electrically powered driver, when actuated, causes the driving assembly to move to apply the pushing force to the hydraulic fluid release valve.

A removeable vehicle hardtop lift apparatus is described which includes a lower platform, an upper platform and a linear actuator there-between. The upper platform may have adjustable supports, The linear actuator may be configured to move the upper platform linearly. The linear actuator may include a drive mechanism with a hand crank that is operable to cause the linear actuator to raise and lower the upper platform.

The invention relates to a wireless remote control electric jack which comprises a jack base, the jack base is provided with a lifting piece, the upper area of the first end of the lifting piece is movably assembled on the jack base through a rotating shaft, and the second end of the lifting piece is provided with a lifting platform; the electric driving part is fixedly assembled on the side, away from the lifting table, of the base, an actuator module is arranged in the electric driving part, a wireless receiving and transmitting unit is integrated on the actuator module, and the output end of the wireless receiving and transmitting unit is connected with the lifting part so as to drive the lifting table to ascend or descend; the battery pack is detachably assembled on the side, close to the electric driving part, of the base, and the battery pack is electrically connected with the electric driving part; and the wireless remote controller is internally provided with a wireless control unit which is matched with the wireless receiving and transmitting unit and is in wireless communication with the wireless receiving and transmitting unit so as to wirelessly and remotely control the start and stop of the electric driving piece. Non-contact control of the electric jack is achieved, radial force generated by swing in the driving mechanism is effectively eliminated, and abrasion of parts is reduced.

The invention belongs to the technical field of lifting tools, and particularly discloses a lifting device oil way system, a lifting device, a jack, a pressing machine and a crane. The oil way system of the lifting device comprises a lifting oil cylinder, an oil tank, a first oil inlet way, a second oil inlet way and an oil return pipeline, the first oil inlet path is an oil inlet path of the gear pump assembly; and the second oil inlet path is an oil inlet path of the plunger pump assembly. When the lifting device is in the no-load or low-pressure condition, the gear pump assembly can rapidly pump in much hydraulic oil with small pressure so that the lifting device can rapidly ascend or descend, the defect that in the prior art, the displacement speed of a hydraulic lifting pump is low under the no-load or low-pressure condition is overcome, and the user experience is improved; when the hydraulic lifting pump is in a high-pressure condition, the plunger pump assembly can pump high-pressure hydraulic oil into the lifting oil cylinder so that the lifting oil cylinder can ascend or descend slowly, the lifting device can move slowly, and the normal use requirement of a user is met.

The disclosure discloses an oil circuit system, a lifting device, an electric jack, a press, a crane, and a tire mounting / dismounting and transport apparatus. The oil circuit system comprises a lifting oil cylinder, the tank, the first oil feed line, the second oil feed line, the oil inlet / outlet line, the pressure relief line, the oil return line, the first valve, the second valve; the first oil feed line is the gear pump assembly oil feed line; and the second oil feed line is the plunger pump assembly oil feed line. Under no-load or low-pressure conditions of the lifting device, the gear pump assembly can quickly pump a larger volume of low-pressure hydraulic oil, enabling quick lifting or lowering of the lifting device. Under high-pressure conditions, the plunger pump assembly can quickly pump higher pressure hydraulic oil to the lifting oil cylinder to enable slow lifting or lowering.

A portable article lifter, separator, and compressor capable moving a variety of articles. The core components are a frame, a motor, a power source, and a set of interchangeable end effectors suitable for moving different types of articles. This device is used to lift an article, separate multiple articles from each other, and compress one or more articles. Multiple devices can operate collaboratively to move a large and / or heavy article via daisy chaining the devices using synchronization modules. A transmission between the motor and the end effector controls the speed and the torque of the end effector. The device further provides an ON / Off module, a frame base, a handle, a level, wheels and rollers, and a work light.

Automated jackstand systems and methods deploy a jackstand to support a front end of a trailer parked at an automated loading dock. The jackstand prevents collapse of the trailer's landing gear and prevents upending of the trailer during loading and unloading. Advantageously, by deploying the jackstand automatically, presence of personnel in the yard where tractors and trailers are moving is not required.

A floor service jack includes a battery and a control panel provided at a distal end of a handle of the jack for electro-mechanically or hydraulically controlling a lift arm to raise and lower a vehicle for servicing without exposure to an undercarriage of the vehicle to replace the battery or to operate the control panel.

The device comprises a combination of an inflatable air cushion member of a flexible but non- stretchable air tight sheet material and a support block. The inflatable air cushion member is formed as a bag unit comprising opposite layers of said sheet material provided face to face and joined along an edge area to form a double layer edge.

The present disclosure relates to a data transmission device for transmitting data between at least two lifting platforms 10 of a lifting system 100, and to a lifting system 100, in particular for lifting vehicles, comprising at least two lifting platforms 10, in particular at least two mobile lifting platforms.

A portable modular synchronized hydraulic system coordinates the motion of multiple hydraulic actuators using a processor-based controller that determines valves actuation times based on pump, pistons, and valve characteristics and user settings for load movement. The controller receives position sensors data and accounts for pump, pistons, and valve characteristics. System components can be battery-powered and can be manually transported in groups of interconnected equipment cages.

A transport device according to the invention for transporting objects (40), in particular vehicles, comprises at least one support element (21) which has a base plate (54), at least one roller (15) for moving on a flat floor, which roller is rotatably mounted on the base plate (54), and a lifting element (31) for lifting an object (40) to be transported, which object is arranged on the base plate (54). The lifting element (31) is designed as an inflatable air cushion which can be brought from a deflated state to a filled state by supplying air, wherein an extension of the lifting element (31) in a vertical direction (Z) is greater in the filled state than in the deflated state.

An electric hydraulic floor jack includes a variable plunger structure provided on a motor base and an oil pump base. The variable plunger structure includes a piston hole formed in the oil pump base and communicating with an oil chamber and an oil inlet passage, a plunger sleeve provided at a port of the piston hole, a plunger slidably provided in the plunger sleeve, a U-shaped piston slidably provided in the piston hole, a valve trim slidably provided on the piston, a spring provided in the piston hole and sleeved on the valve trim, and an eccentric wheel provided on an output shaft of a speed reducer. The plunger is driven by the eccentric wheel in cooperation with the spring to continuously make a linear reciprocating motion, thereby continuously opening and closing the check valve, and pumping oil into the cylinder to push the piston rod for lifting work.

A lift device includes a lift adapter adapted to engage and support various vehicle components. The elevator adapter includes a plurality of support arms, each support arm being rotatably adjustable relative to a support body of the elevator adapter. A plurality of bracket assemblies mount an interface adapter to the support arm, the interface adapter engaging and securing the vehicle component during the active lift service. The elevator adapter may engage and secure various vehicle components using a single type of interface adapter or a combination of various types of interface adapters. The elevator adapter can be detached from an associated elevator to maximize operational flexibility of the elevator and the elevator adapter while also maximizing compatibility with various components.

The utility model discloses a lifting device with multi-gear angle adjusting and positioning functions, which comprises a lifting component, an adjusting and positioning component and an operating rod component, and the operating rod component is movably connected with the lifting component through the adjusting and positioning component; the interior of the lifting assembly is of a cavity structure, a shaft sleeve is arranged on the inner wall of the cavity structure, and a mounting plate is arranged at the end of the cavity structure. The adjusting and positioning assembly comprises an angle adjusting piece and a gear adjusting piece, the angle adjusting piece is installed in the cavity structure of the lifting assembly through a shaft sleeve, and the gear adjusting piece is arranged at the end of the lifting assembly through an installation plate and connected with the angle adjusting piece. The operating rod assembly comprises an operating rod, a transmission rod is arranged in the operating rod, the top of the transmission rod is connected with an operating handle, the end of the operating handle extends out of the operating rod, and the bottom of the transmission rod is matched with the adjusting and positioning assembly. The adjusting and positioning assembly is arranged at the joint of the operating rod assembly and the lifting assembly, so that multi-gear adjusting and positioning of the connecting angle of the operating rod assembly and the lifting assembly are achieved.

Lifting device for vehicles, in particular agricultural machinery, trucks and / or construction machinery, comprising: at least a basic frame (31) with a mounting carrier (32) for wheel forks (33a, 33b) and a lifting column (34); at least two support feet (35a, 35b), wherein the support feet are removable and adjustable with respect to their relative position to the base frame (31); and at least one lifting carriage (36) which is movable along the lifting column (34), wherein the feet (35a, 35b) are mounted in such a way as to allow for adjustment of the lateral distance (d1) between the at least two feet (35a, 35b).

The present disclosure relates to a cart adapted to support an automotive jack bracket via a shelf supported by a plurality of wheels coupled to the shelf using cantilevers. The cantilever exhibits a resilient behavior in response to a load received by the shelf. In one embodiment, the cantilevers exhibit elastic behavior via the joints. In another embodiment, the cantilevers exhibit elastic behavior via spring bolts.

The utility model relates to the technical field of related manufacturing of aviation support equipment, in particular to an electric hydraulic synchronous control jack for an airplane, which comprises a tripod, an actuator cylinder component is fixed in the middle of the tripod, the actuator cylinder component stretches out and draws back to realize the jacking and landing of the airplane, and at least three groups of jacks are required to be used for jacking the airplane. One group of jacks are used for jacking the fuselage, the other two groups of jacks are used for jacking the two groups of wings, an electric control box is further mounted on the triangular frame, and in the jacking process, synchronous starting of the pre-jacked actuator cylinder assemblies in the multiple groups of jacks is achieved through a synchronous jacking button arranged on the electric control box. An actuator cylinder assembly in one jack making contact with a machine body can operate at a fixed speed, the actuator cylinder assemblies in the other two jacks keep the height difference before operation, and the speed of the actuator cylinder assemblies is adjusted through a PID control system arranged in an electric control box to follow the jack with the fixed speed.

To provide a tire lifter device provided with a work table in which a gripping part gripped by an operator is provided at a side position of the work table, and a tire lifting operation part for lifting a tire is provided on the gripping part, and which can improve safety of tire detachment operation and so on in such a manner that even if an object placed on the work table unexpectedly contacts the lifting operation part, a tire holding part does not move vertically.SOLUTION: In a tire lifter device, a gripping handle part 42 gripped by an operator is provided at a side position of a work table 4, a descent SW 62 and an ascent SW 63 for operating a lifting mechanism part are provided on the gripping handle part 42, and an open SW 61, which permits input of the descent SW 62 and the ascent SW 63, is provided. The device comprises a motor control unit which so controls that operations of the descent SW 62 and the ascent SW 63 become effective only during operation of the open SW 61.SELECTED DRAWING: Figure 7

A lifting assembly for lifting a metal cabinet that has parallel sheet metal walls along its base. The lifting system has a floor jack with wheels and a lift arm. The lift arm supports a lifting saddle. The lifting saddle contacts and lifts the metal cabinet. The lifting saddle has a base plate that is coupled to the lift arm. Adjustable crossbars are mounted to the base plate. The crossbars terminate with slotted heads. The slots are sized to receive sheet metal walls. The slots prevent the sheet metal walls from buckling in the area of contact. The crossbars are adjusted in length to set the slotted heads at a distance apart equal to that of the parallel sheet metal walls. The lifting saddle is maneuvered under the sheet metal walls, wherein the sheet metal walls are received within the slotted heads on the crossbars.

The present invention discloses a mobile driving machine applicable to multiple scenarios, including a support base, a fuel tank seat and an armrest. An outer wall of the support base is fixedly provided with the fuel tank seat, and the armrest is arranged on a side of the fuel tank seat. The mobile driving machine further includes: a delivery pump installed on a top of the fuel tank seat, a hydraulic pressure gauge installed on a top of the delivery pump, a connecting pipe connected to a side of the delivery pump, a jacking oil cylinder arranged at an end of the connecting pipe, and a supporting seat arranged at an end of the jacking oil cylinder. For the mobile driving machine applicable to multiple scenarios, a first spring arranged on a side of a docking block is utilized to support positions of the docking block and a runner, so that the runner on a side of a docking seat can rotate normally. When the jacking oil cylinder jacks up an object, the runner drives the docking block to move and compresses the first spring, enabling the docking seat to contact the ground, realizing stable support for the object, and enabling the runner not to be reversed during jacking, avoiding a situation that the runner is damaged due to excessive force.

A jack and dolly assembly provides for easy, efficient, and effective transportation and installation of heavy items such as a door, a panel, and the like. The assembly is adapted to provide the ability for one person to quickly, easily, efficiently, and effectively load, install hardware upon, store, transport, lift, position, uninstall, and / or install an object. The assembly is adapted to include adjustable components such that the assembly can accommodate different sizes of objects. According to some embodiments, the assembly includes a frame, carrying arm, and securing mechanism for holding / securing the object, and a pair of large wheels for easily transporting the object. The assembly is further adapted to provide the ability to lift an object and properly hold the object in place during installation.

The utility model discloses an airplane wheel jack high and low plunger integrated pile-up valve assembly, which relates to the technical field of airplane wheel jacks, and comprises a valve body and an oil tank, a shaft rod penetrates through the top of the valve body, and the top of the shaft rod is connected with a rocking seat; a sleeve is fixed to one side of the rocking seat, an ejector block is connected into the sleeve through a spring, guide rods penetrate through the outer surface and the back of the ejector block, and guide grooves are formed in the outer surface and the back of the sleeve. The comprehensive integrated valve assembly integrating the high plunger and the low plunger is a valve body assembly integrating the high plunger hand pump, the low plunger hand pump, the one-way valve, the overflow valve, the throttling valve and the reversing valve, and in order to meet the requirements of the high plunger hand pump and the low plunger hand pump, the high plunger, the low plunger and the one-way valve are connected in series for use; the use space of the valve body is reduced, the use space of the jack and the oil tank is increased, the valve body assembly and the oil tank are overlapped, meanwhile, the boundary dimension of the jack is reduced, and the requirement for use of the airplane wheel jack in a narrow space can be better met.

Automated jackstand systems and methods deploy a jackstand to support a front end of a trailer parked at an automated loading dock. The jackstand prevents collapse of the trailer's landing gear and prevents upending of the trailer during loading and unloading. Advantageously, by deploying the jackstand automatically, presence of personnel in the yard where tractors and trailers are moving is not required.

A plurality of portable lifts are dynamically configured to form a lift system for raising and lowering of vehicle. Each portable lift is added to the lift system and communicates wirelessly with a centralized control module. Some systems guide the user through a sequenced association of lifts in particular relative positions around the vehicle, while others use automatic position-detection techniques to determine those relative positions without explicit user input. Some systems allow definition of subsystems that can be operated together. Flexible controls may selectively allow operation of individual lifts, pairs or subsystems of lifts, or the full system at once. Controls on each lift may communicate commands for other lifts by way of the centralized control module.

The trailer jack comprises a jack body and a quick adjusting mechanism, the jack body comprises an outer cylinder and an inner cylinder which are in transmission connection through a driving mechanism, a plurality of adjusting holes are formed in the outer cylinder in the vertical direction, and supporting parts corresponding to the adjusting holes are arranged on the inner wall of the outer cylinder; the supporting part is used for deepening the depth of the adjusting hole; the quick adjusting mechanism comprises an adjusting seat and a pin lock assembly, the adjusting seat is arranged on the outer cylinder in a sliding mode and used for being connected with a frame, the pin lock assembly is arranged on the adjusting seat, and the pin lock assembly is matched with the adjusting hole to be used for fixing the position of the adjusting seat on the outer cylinder. The lifting height of the frame can be quickly adjusted through the quick adjusting structure, the supporting part is arranged at the corresponding position of the adjusting hole to disperse stress concentrated on the adjusting hole, and the service life is prolonged.