CN222612874U - Forward-moving type cross-country pallet truck - Google Patents
Forward-moving type cross-country pallet truck Download PDFInfo
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- CN222612874U CN222612874U CN202421073915.0U CN202421073915U CN222612874U CN 222612874 U CN222612874 U CN 222612874U CN 202421073915 U CN202421073915 U CN 202421073915U CN 222612874 U CN222612874 U CN 222612874U
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- 230000003068 static effect Effects 0.000 claims abstract description 9
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims 3
- 238000010276 construction Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a forward-moving type cross-country following forklift which comprises a forklift body, wherein the forklift body adopts three-pivot leg inserting type hydrostatic transmission, upper forklift hooks are respectively welded on the forklift body legs, hydraulic motors are arranged on the forklift body legs, and cross-country tires are arranged on the hydraulic motors. The forklift body is provided with a double-acting vehicle-mounted moving device. The rear part of the forklift body is provided with a driving steering device for the static pressure forklift. The hydraulic motor, the double-acting vehicle-mounted moving device and the driving steering device for the static pressure forklift are connected with a hydraulic pipeline control system and an electric system, and the engine drives the variable pump which drives the hydraulic motor to complete walking. The steering oil cylinder of the rear wheel driving steering device drives the steering connecting rod and the steering bracket to realize rear wheel steering. The gear pump drives the multi-way valve to complete work and the on-board movement, so that the truck is carried.
Description
Technical Field
The utility model relates to the technical field of forklift devices, in particular to a forward-moving type off-road pallet truck.
Background
Currently, in mechanical engineering vehicles, the forklift speed cannot completely follow the truck to field work, and other special vehicles must be used for loading and transporting to the field. In the process of transferring, the loading process of the forklift is very inconvenient, devices such as a slope are needed, and professional operators are needed to operate, so that inconvenience is brought to the transportation of the forklift.
Disclosure of utility model
In view of the above-mentioned drawbacks or shortcomings, an object of the present utility model is to provide an off-road, forward-moving pallet truck.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the forward-moving type cross-country following forklift comprises a forklift body, wherein a static pressure driving mechanism is arranged on a front wheel of the forklift body, a driving steering device is arranged on a rear wheel of the forklift body, a double-acting moving device for getting on and working is slidably arranged on a fork leg of the forklift body, and a hydraulic pipeline control system and an electric system are connected to the static pressure driving mechanism, the driving steering device and the double-acting moving device.
The hydrostatic drive mechanism comprises an engine, a variable pump and a hydraulic motor arranged on the front wheel, wherein the output end of the engine is connected with the variable pump, and the output end of the variable pump is connected with the hydraulic motor.
The fork truck is characterized in that a slideway is arranged on a fork leg of the fork truck body, a moving frame is arranged on the double-acting moving device, the moving frame is arranged in the slideway through rollers, a pushing cylinder is connected to the moving frame, and the fixed end of the pushing cylinder is fixedly arranged on the fork truck body.
The double-acting moving device comprises an outer portal frame arranged on a forklift body, a liftable inner portal frame arranged on the outer portal frame, a lifting device arranged at the bottom of the outer portal frame, a fork frame and a fork arranged at the bottom of the inner portal frame, wherein the top of the lifting device is connected with the inner portal frame,
The outer door frame is connected with the inner door frame through a double-acting cylinder.
The fork truck is characterized in that a truck loading hook and a chain hanging shaft are welded on the fork leg of the fork truck body, the truck loading hook is connected with the upper shaft of the truck chassis, and the truck-mounted accessory chain is connected with the upper shaft of the truck chassis and the chain hanging shaft, so that safety protection is realized.
The driving steering device comprises a steering bracket assembly arranged on the rear wheel assembly, wherein the steering bracket assembly is connected with a steering oil cylinder, a steering connecting rod mechanism and a driving motor, and the steering oil cylinder drives the steering connecting rod mechanism and the steering bracket assembly to drive the rear wheel to steer.
The hydraulic pipeline control system comprises a forklift walking part and a working part, wherein the walking part comprises a variable pump, a hydraulic motor and a pipeline, the working part comprises an electrohydraulic proportional valve and a gear pump, the walking part is powered by the variable pump through an oil way, and the hydraulic pipeline control system is used for driving the forklift through branching the hydraulic motor and the rear wheel motor of the front wheel through the pipeline respectively.
The working part is powered by a gear pump, the electro-hydraulic proportional valve distributes flow and converts oil paths, and each path of oil cylinder finishes the lateral movement and lifting of goods.
The forklift body is of a three-wheel driving structure, the front wheels comprise two wheels, and the rear wheels comprise one wheel.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a forward-moving type cross-country following forklift which is suitable for a truck portable forklift, and because the forward-moving type cross-country following forklift adopts a hydrostatic transmission mode, a front hydraulic motor and a rear hydraulic motor are driven by a variable pump to realize walking, so that the whole forklift is high in transmission efficiency, strong in cross-country capability and suitable for field work.
Drawings
FIG. 1 is a schematic diagram of a forward-type off-road pallet truck according to the present utility model;
FIG. 2 is a schematic diagram of a forward type off-road pallet truck according to the present utility model;
FIG. 3 is a schematic diagram of the forward structure of the forward type off-road pallet truck of the present utility model;
FIG. 4 is a schematic illustration of the truck-borne forward off-road pallet truck of the present utility model;
FIG. 5 is a schematic diagram of a hydraulic line control system for a forward off-road pallet truck in accordance with the present utility model;
FIG. 6 is an operational diagram of the hydraulic line control system of the forward off-road pallet truck of the present utility model;
FIG. 7 is a schematic diagram of a dual-action on-vehicle mobile device of the present utility model;
fig. 8 is a schematic structural view of a drive steering device for a static pressure forklift according to the present utility model.
In the figure, a forklift body, a 2-loading hook, a 3-hanging chain shaft, a 4-hydraulic motor, a 5-off-road tire, a 6-moving frame, a 7-double-acting vehicle-mounted moving device, a 8-static forklift driving steering device, a 9-hydraulic pipeline control system, a 10-electric system, a 7-1-outer portal, a 7-2-inner portal, a 7-3-fork frame, a 7-4-fork, a 7-5-double-acting cylinder, a 8-1-rear wheel assembly, a 8-2-steering bracket assembly, a 8-4-steering cylinder, a 8-5-steering connecting rod mechanism, a 8-6-driving motor, a 9-1-variable pump, a 9-3-electrohydraulic proportional valve and a 9-4-gear pump.
Detailed Description
The present utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
As shown in fig. 1-4, the utility model provides a forward-moving type off-road following forklift, which comprises a forklift body 1, wherein a static pressure driving mechanism is arranged on the front wheel of the forklift body 1, a driving steering device 8 is arranged on the rear wheel of the forklift body 1, a double-acting moving device 7 for getting on and working is slidingly arranged on the fork leg of the forklift body 1, and a hydraulic pipeline control system 9 and an electric system 10 are connected on the static pressure driving mechanism, the driving steering device 8 and the double-acting moving device 7.
In the utility model, in order to enable the forklift body to be suitable for the field environment, be convenient to transport and run in the field environment, the forklift body 1 is of a three-wheel driving structure, the front wheels comprise two, and the rear wheels comprise one. The vehicle body is connected with the wheels through inserting legs.
Specifically, the hydrostatic drive mechanism comprises an engine, a variable pump 9-1 and a hydraulic motor 4 arranged on a front wheel 5, wherein the output end of the engine is connected with the variable pump 9-1, and the output end of the variable pump 9-1 is connected with the hydraulic motor 4. The forklift body power source is an engine, the engine drives a variable pump 9-1, the variable pump 9-1 drives a hydraulic motor to complete walking through a pipeline, and the hydrostatic forklift drives a steering connecting rod and a steering bracket to realize rear wheel steering through a steering oil cylinder of a driving steering device 8. The gear pump drives the multi-way valve to complete work and move on the vehicle through the hydraulic pipeline control system 9. The upper hook 2 is connected with the upper shaft of the truck chassis, and the chain of the vehicle-mounted accessory is connected with the upper shaft of the truck chassis and the chain hanging shaft 3 to play a role in safety protection. The forward off-road pallet truck is fixed on the truck and then runs along with the truck.
Preferably, a slideway is mounted on the fork leg of the forklift body 1, a moving frame 6 is mounted on the double-acting moving device 7, the moving frame 6 is mounted in the slideway through rollers, a push-out cylinder 6-1 is connected to the moving frame 6, and a fixed end of the push-out cylinder 6-1 is fixedly mounted on the forklift body 1. Specifically, as shown in fig. 7, the double-acting moving device 7 comprises an outer portal 7-1 arranged on a forklift body 1, an inner portal 7-2 capable of ascending and descending is arranged on the outer portal 7-1, a lifting device is arranged at the bottom of the outer portal 7-1, the top of the lifting device is connected with the inner portal 7-2, a fork frame 7-3 and a fork 7-4 are arranged at the bottom of the inner portal 7-2, and the outer portal 7-1 is connected with the inner portal 7-2 through a double-acting cylinder 7-5. The movable frame 7-5 is connected with a slideway on the vehicle body through a roller, and the other end of the movable frame is connected with the vehicle body through a push-out cylinder. The travel of the push-out cylinder drives the moving frame and the double-acting vehicle-mounted moving device 7 to realize the forward movement of the door frame in the upper slideway of the vehicle body.
Further, the upper hook 2 and the link shaft 3 are welded on the inserted leg of the forklift body 1, the upper hook 2 is connected with the upper shaft of the truck chassis, and the truck-mounted accessory chain is connected with the upper shaft of the truck chassis and the link shaft 3, so that safety protection is realized. The upper hook 2 on the inserted leg of the forklift body 1 is connected with a truck shaft, and the link shaft 3 is connected with the truck through a safety chain, so that the danger of falling off of the truck in operation is prevented.
Preferably, as shown in FIG. 8, the driving steering device 8 comprises a steering bracket assembly 8-2 mounted on the rear wheel assembly 8-1, wherein the steering bracket assembly 8-3 is connected with a steering cylinder 8-4, a steering linkage mechanism 8-5 and a driving motor 8-6, and the steering cylinder 8-4 drives the steering linkage mechanism 8-5 and the steering bracket assembly 8-2 to drive the rear wheel to steer. The hydraulic pipeline control system 9 is divided into a forklift running part and a working part, as shown in fig. 5 and 6, the running part comprises a variable pump 9-1, a hydraulic motor 4 and a pipeline, the working part comprises an electrohydraulic proportional valve 9-3 and a gear pump 9-4, the running part is powered by the variable pump 9-1 by an oil way, and 3 paths of power are respectively supplied to the hydraulic motor 4 of a front wheel and a rear wheel motor through the pipeline to drive the whole forklift. The working part is powered by a gear pump, the electro-hydraulic proportional valve 9-3 distributes flow and converts oil paths, and each path of oil cylinder finishes the actions of side movement, lifting and the like of goods, including the boarding action of the double-acting cylinder.
The gear pump provides an oil way to the electro-hydraulic proportional valve, the electro-hydraulic proportional valve pushes the push-out valve rod, the electro-hydraulic proportional valve corresponds to the opening of the oil way, the push-out oil cylinder stroke drives the movable frame and the double-acting vehicle-mounted movable device 7, and the portal frame moves forward in a slideway on the vehicle body; and pushing the lifting valve rod, opening a lifting oil way corresponding to the electro-hydraulic proportional valve, and loading and unloading cargoes through the lifting stroke of the double-acting cylinder.
The operation process is that the whole car key switch is turned on, the engine is started, the engine drives the variable pump, the variable pump divides the oil path into two paths, the two paths are respectively connected to the front wheel hydraulic motor and the rear wheel hydraulic motor, the motor drives the driving wheel to realize the operation of the forklift, if the forklift runs at a high speed in the wild, the oil path of the front hydraulic motor is cut off to become a free wheel, and the rear wheel becomes the driving wheel, so that the full-speed operation can be realized.
The gear pump drives the multi-way valve to complete work and move on the vehicle through the hydraulic pipeline control system 9. The upper hook 2 is connected with the upper shaft of the truck chassis, and the chain of the vehicle-mounted accessory is connected with the upper shaft of the truck chassis and the chain hanging shaft 3 to play a role in safety protection. The forward off-road pallet truck is fixed on the truck and then runs along with the truck.
The forklift is operated to the rear part of the truck, the portal frame is moved to the forefront part of the forklift, the fork is lifted to the height of a fork groove of the truck, the fork is inserted into the truck groove to push the descending valve rod, and the forklift body is lifted off the ground by using the double-acting cylinder force of the portal frame. The valve rod is moved backwards by pushing the door frame, and the forklift is moved forwards to the tail of the truck box body, so that the loading function of the forklift is completed. The forklift loading hook 2 is connected with the upper shaft of the truck chassis, and the truck-mounted accessory chain is connected with the upper shaft of the truck chassis and the link chain shaft 3 for safety protection. Preventing the risk of the truck falling off during operation.
It will be apparent to those skilled in the art that the foregoing is merely illustrative of the preferred embodiments of this utility model, and that certain modifications and variations may be made in part of this utility model by those skilled in the art, all of which are shown and described with the understanding that they are considered to be within the scope of this utility model.
Claims (9)
1. The forward-moving type cross-country following forklift is characterized by comprising a forklift body (1), wherein a static pressure driving mechanism is arranged on a front wheel of the forklift body (1), a driving steering device (8) is arranged on a rear wheel of the forklift body (1), a double-acting moving device (7) used for getting on and working is slidably arranged on a plug leg of the forklift body (1), and a hydraulic pipeline control system (9) and an electric system (10) are connected to the static pressure driving mechanism, the driving steering device (8) and the double-acting moving device (7).
2. The forward off-road pallet truck according to claim 1, wherein the hydrostatic drive mechanism comprises an engine, a variable displacement pump (9-1) and a hydraulic motor (4) mounted on the front wheel (5), the output of the engine being connected to the variable displacement pump (9-1), the output of the variable displacement pump (9-1) being connected to the hydraulic motor (4).
3. The forward-moving off-road pallet truck as defined in claim 1, wherein a slide way is mounted on a fork leg of the truck body (1), a moving frame (6) is mounted on the double-acting moving device (7), the moving frame (6) is mounted in the slide way through rollers, a push-out cylinder (6-1) is connected to the moving frame (6), and a fixed end of the push-out cylinder (6-1) is fixedly mounted on the truck body (1).
4. The forward off-road pallet truck as defined in claim 3, wherein the double-acting moving device (7) comprises an outer portal (7-1) mounted on the truck body (1), an inner portal (7-2) capable of lifting is mounted on the outer portal (7-1), a lifting device is mounted at the bottom of the outer portal (7-1), the top of the lifting device is connected with the inner portal (7-2), and a fork frame (7-3) and a fork (7-4) are mounted at the bottom of the inner portal (7-2).
5. The forward off-road pallet truck according to claim 4, characterized in that the outer mast (7-1) is connected to the inner mast (7-2) by means of double acting cylinders (7-5).
6. The forward-moving off-road following forklift as claimed in claim 1, wherein the upper hook (2) and the link shaft (3) are welded on the insertion leg of the forklift body (1), the upper hook (2) is connected with the upper shaft of the truck chassis, and the following accessory chain is connected with the upper shaft of the truck chassis and the link shaft (3) for safety protection.
7. The forward-moving off-road following forklift as claimed in claim 1, wherein the driving steering device (8) comprises a steering bracket assembly (8-2) mounted on the rear wheel assembly (8-1), a steering oil cylinder (8-4), a steering linkage mechanism (8-5) and a driving motor (8-6) are connected to the steering bracket assembly (8-3), and the steering oil cylinder (8-4) drives the steering linkage mechanism (8-5) and the steering bracket assembly (8-2) to drive the rear wheels to steer.
8. The forward-moving type cross-country following forklift as claimed in claim 7, wherein the hydraulic pipeline control system (9) is divided into a forklift walking part and a working part, the walking part comprises a variable pump (9-1), a hydraulic motor (4) and pipelines, the working part comprises an electro-hydraulic proportional valve (9-3) and a gear pump (9-4), the walking part is powered by the variable pump (9-1) by an oil way, 3 paths are respectively provided for the hydraulic motor (4) and a rear wheel motor of a front wheel through the pipelines to drive the whole forklift, the working part is powered by the gear pump (9-4) by the oil way, the electro-hydraulic proportional valve (9-3) distributes flow and converts oil ways, and each oil way cylinder is used for moving and lifting goods by side.
9. The forward off-road pallet truck as defined in claim 1, wherein the truck body (1) is of three-wheeled drive construction, the front wheels comprising two and the rear wheels comprising one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421073915.0U CN222612874U (en) | 2024-05-16 | 2024-05-16 | Forward-moving type cross-country pallet truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421073915.0U CN222612874U (en) | 2024-05-16 | 2024-05-16 | Forward-moving type cross-country pallet truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222612874U true CN222612874U (en) | 2025-03-14 |
Family
ID=94882261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421073915.0U Active CN222612874U (en) | 2024-05-16 | 2024-05-16 | Forward-moving type cross-country pallet truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222612874U (en) |
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2024
- 2024-05-16 CN CN202421073915.0U patent/CN222612874U/en active Active
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