CN210457343U - Forklift with adjustable axle distance - Google Patents
Forklift with adjustable axle distance Download PDFInfo
- Publication number
- CN210457343U CN210457343U CN201921133622.6U CN201921133622U CN210457343U CN 210457343 U CN210457343 U CN 210457343U CN 201921133622 U CN201921133622 U CN 201921133622U CN 210457343 U CN210457343 U CN 210457343U
- Authority
- CN
- China
- Prior art keywords
- oil
- wheel assembly
- driving wheel
- forklift
- truck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a fork truck with adjustable axle distance, include: the automobile body is provided with a counterweight above the steering wheel assembly, and the automobile body is provided with an adjusting device for adjusting the distance between the driving wheel assembly and the steering wheel assembly, wherein the adjusting device is used for adjusting the position of the driving wheel assembly relative to the automobile body. The distance between the driving wheel assembly and the steering wheel assembly can be adjusted, when the distance between the driving wheel assembly and the steering wheel assembly is reduced, the turning radius of the forklift is reduced, and the flexibility of the forklift is improved; when the distance between the driving wheel assembly and the steering wheel assembly is increased, the distance between the balance weight and the fulcrum can be increased, the moment of the balance weight is increased, and the lifting capacity of the pallet fork is increased, so that the rated lifting capacity of the forklift is increased, the position of the driving wheel assembly relative to the forklift body can be adjusted under no load, the driving force of the driving device can be reduced, and the driving force is much smaller than the driving force required by adjusting the steering wheel.
Description
Technical Field
The utility model relates to a fork truck technical field, more specifically say, relate to a fork truck with adjustable axle distance.
Background
At present, most of the balance weight type forklifts produced at home and abroad, but a driving wheel (a front wheel) is not fixed relative to a rear wheel (a steering wheel), namely, the wheel base is fixed and invariable.
The wheelbase of the partial balance weight type forklift is adjustable, and the wheelbase is adjusted by adjusting the position of the rear axle, so that the maneuverability of the forklift is changed. But the rated load capacity of the forklift cannot be increased because the counterweight is not adjusted. And because of the axle load distribution of forklifts: when the vehicle is empty, the rear axle accounts for about 90% of the weight of the whole vehicle, so that the thrust required by the movement of the rear axle is very large.
In summary, how to adjust the wheelbase of the forklift by using a small driving force and increase the rated lifting capacity of the forklift is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fork truck with adjustable wheel base, this fork truck can use little drive power to adjust fork truck wheel base to can increase fork truck's rated load lifting capacity.
In order to achieve the above object, the present invention provides the following technical solutions:
an axle-distance adjustable forklift comprising: the automobile body, set up in the anterior drive wheel assembly of automobile body with set up in the directive wheel assembly at automobile body rear portion, be equipped with the counter weight on the automobile body of directive wheel assembly top, be equipped with the regulation on the automobile body the drive wheel assembly with the adjusting device of the distance between the directive wheel assembly, adjusting device is used for adjusting the drive wheel assembly for the position of automobile body.
Preferably, the adjusting device comprises two oil cylinders which are respectively used for adjusting the positions of two driving wheel assemblies relative to the vehicle body, the end part of an adjustable telescopic rod of each oil cylinder is respectively connected to the driving wheel assemblies, and a cylinder barrel of each oil cylinder is connected to the vehicle body.
Preferably, two oil pipes are connected to a cylinder barrel of each oil cylinder, and each oil pipe is connected to a valve body for adjusting the direction of an oil path in each oil pipe.
Preferably, the valve body is a multi-way valve assembly, the oil inlet end of the multi-way valve assembly is connected to the oil pump, two oil outlet ends of the multi-way valve assembly are respectively connected to the oil pipe through a tee joint, and an oil return end for returning oil is further arranged on the multi-way valve assembly.
Preferably, the multi-way valve assembly is provided with a control handle for changing the oil path direction of the oil pipe.
Preferably, the oil inlet end of the oil pump is connected to the first connector of the oil tank, and the oil outlet end of the oil pump is connected to the oil inlet end of the multi-way valve assembly.
Preferably, the oil tank is provided with a second interface, and the second interface is connected to the multi-way valve assembly.
Preferably, a linear track is arranged on the vehicle body, and a limiting device used for moving along the linear track is arranged at the joint of the knuckle arm connected to the driving wheel assembly and the oil cylinder.
Preferably, the limiting device is a roller which is rotatably arranged on the knuckle arm, and the roller can roll along the linear track.
Preferably, the linear rail is a sliding groove arranged along the telescopic direction of the oil cylinder, and the roller can roll along the sliding groove.
The utility model provides a pair of fork truck with adjustable axle distance, include: the automobile body is provided with a counterweight above the steering wheel assembly, and the automobile body is provided with an adjusting device for adjusting the distance between the driving wheel assembly and the steering wheel assembly, wherein the adjusting device is used for adjusting the position of the driving wheel assembly relative to the automobile body.
The two points of contact between the forklift and the ground comprise a point of contact between a driving wheel on the driving wheel assembly and the ground and a point of contact between a steering wheel on the steering wheel assembly and the ground, goods are in front of the driving wheel assembly, the steering wheel assembly is behind the driving wheel assembly, a balance weight is arranged on a forklift body above the steering wheel assembly, the driving wheel assembly is a fulcrum of the whole forklift at the moment, a fork of the forklift for lifting the goods is arranged at the front part of the forklift body, when the fork lifts the goods, the goods have downward pressure on the fork, and the balance weight has downward pressure on the steering wheel assembly.
The turning radius of the forklift is influenced by the distance between the steering wheel assembly and the driving wheel assembly, the distance between the driving wheel assembly and the steering wheel assembly can be adjusted, and when the distance between the driving wheel assembly and the steering wheel assembly is reduced, the turning radius of the forklift is reduced, so that the flexibility of the forklift can be improved; when the distance between the driving wheel assembly and the steering wheel assembly is increased, the distance between the counterweight and the fulcrum can be increased, so that the moment of the counterweight is increased, the lifting capacity of the fork is increased, the rated lifting capacity of the forklift is increased, the position of the driving wheel assembly relative to the forklift body can be adjusted under no load, the driving force of the driving device can be reduced, and the driving force is much smaller than the driving force required for adjusting the steering wheel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an adjustment schematic diagram of a driving wheel assembly of a fork truck with an adjustable wheel base provided by the present invention;
fig. 2 is a partial explosion diagram of the forklift with adjustable wheelbase provided by the present invention.
In FIGS. 1-2:
1-pallet fork, 2-driving wheel assembly, 3-vehicle body, 4-steering wheel assembly, 5-control handle, 6-multi-way valve assembly, 7-oil pump, 8-motor, 9-oil tank, 10-oil cylinder, 11-roller and 12-chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a fork truck with adjustable wheel base, this fork truck can use little drive power to adjust fork truck wheel base to can increase fork truck's rated load lifting capacity.
Referring to fig. 1-2, fig. 1 is a schematic diagram illustrating adjustment of a driving wheel assembly of a forklift truck with an adjustable wheel base according to the present invention; fig. 2 is a partial explosion diagram of the forklift with adjustable wheelbase provided by the present invention.
An axle-distance adjustable forklift comprising: the automobile body 3, set up in the anterior driving wheel assembly 2 of automobile body 3 and set up in the directive wheel assembly 4 at automobile body 3 rear portion, be equipped with the counter weight on the automobile body 3 of directive wheel assembly 4 top, be equipped with the adjusting device who adjusts the distance between driving wheel assembly 2 and the directive wheel assembly 4 on the automobile body 3, adjusting device is used for adjusting the position of driving wheel assembly 2 for automobile body 3.
The working principle of the forklift is that the weight of the counterweight is utilized, the point where the driving wheel on the driving wheel assembly 2 is contacted with the ground is taken as a fulcrum, the forklift 1 is utilized to lift the goods, the distance from the forklift 1 to the driving wheel is the moment of the goods, and the distance from the counterweight to the driving wheel is the moment of the counterweight.
The adjusting device is used for driving the driving wheel assembly 2 to move back and forth relative to the vehicle body 3, and can be a device which can drive the driving wheel assembly 2 to move linearly, and can be of the type of air cylinder, gear rack transmission, belt transmission, chain transmission, worm and gear transmission and the like.
The two points of contact between the forklift and the ground comprise a point of contact between a driving wheel on the driving wheel assembly 2 and the ground and a point of contact between a steering wheel on the steering wheel assembly 4 and the ground, goods are in front of the driving wheel assembly 2, the steering wheel assembly 4 is behind the driving wheel assembly 2, a balance weight is arranged on the forklift body 3 above the steering wheel assembly 4, the driving wheel assembly 2 is a fulcrum of the whole forklift at the moment, a fork 1 of the forklift for lifting the goods is arranged at the front part of the forklift body 3, when the fork 1 lifts the goods, the goods have downward pressure on the fork 1, and the balance weight has downward pressure on the steering wheel assembly 4.
The turning radius of the forklift is influenced by the distance between the steering wheel assembly 4 and the driving wheel assembly 2, the distance between the driving wheel assembly 2 and the steering wheel assembly 4 can be adjusted, and when the distance between the driving wheel assembly 2 and the steering wheel assembly 4 is reduced, the turning radius of the forklift is reduced, so that the flexibility of the forklift can be improved; when the distance between the driving wheel assembly 2 and the steering wheel assembly 4 is increased, the distance between the counterweight and the fulcrum can be increased, so that the moment of the counterweight is increased, the lifting capacity of the pallet fork 1 is increased, the rated lifting capacity of the forklift is increased, the position of the driving wheel assembly 2 relative to the forklift body 3 can be adjusted under no load usually, the driving force of the driving device can be reduced, and the driving force is much smaller than the driving force required for adjusting the steering wheel.
On the basis of the above embodiment, the adjusting device includes two oil cylinders 10 for adjusting the positions of the two driving wheel assemblies 2 relative to the vehicle body 3, the end of the adjustable telescopic rod of each oil cylinder 10 is connected to the driving wheel assembly 2, and the cylinder of each oil cylinder 10 is connected to the vehicle body 3.
It should be noted that, because the forklift has two driving wheel assemblies 2, the oil cylinders 10 are connected to the driving wheel assemblies 2 on both sides, and the oil cylinders 10 on both sides are connected to the same pipeline, so that the oil volumes of the two oil cylinders 10 are kept the same, and the strokes of the two oil cylinders 10 are made the same, so as to adjust the movement of the driving wheel assemblies 2 on both sides simultaneously.
The cylinder barrel of each oil cylinder 10 is connected to the vehicle body 3 in a manner of hinged support, and the piston rod of the oil cylinder 10 is connected with the driving wheel assembly 2 by a pin shaft so as to drive the driving wheel assembly 2 to move along with the piston rod.
On the basis of the above embodiment, the cylinder of each oil cylinder 10 is connected with two oil pipes, and each oil pipe is connected to a valve body for adjusting the direction of an oil path in each oil pipe.
It should be noted that, the oil cylinder 10 includes a cylinder barrel and a piston rod disposed in the cylinder barrel, the end of the piston rod extending into the cylinder barrel is connected to the piston, the end of the piston rod extending out of the cylinder barrel is connected to the driving wheel assembly 2, the piston rod extends out along the through hole on the cylinder barrel, and the through hole and the piston rod are sealed.
The oil paths of the two oil pipes connected to the cylinder barrel are opposite, when one oil pipe is used for oil inlet, the other oil pipe is used for oil outlet, and the cylinder barrel is connected to the oil outlet holes of the two oil pipes and is respectively positioned on a cavity formed by two piston surfaces of the piston in the oil cylinder 10 and the cylinder barrel in a surrounding mode.
The piston rod can drive the driving wheel assembly 2 to move, the driving mode can be set according to actual conditions, and the embodiment can enable the piston to drive the driving wheel assembly 2 to move forwards when the piston extends out so as to increase the distance between the driving wheel assembly 2 and the steering wheel assembly 4; when the piston retracts, the driving wheel assembly 2 is driven to move backwards, so that the distance between the driving wheel assembly 2 and the steering wheel assembly 4 is reduced.
The valve body is used for adjusting the trend of the oil circuit in the oil pipe, when the piston rod needs to be extended, the oil pressure in the rear cavity of the oil cylinder 10 is increased by controlling the valve body to be far away from the through hole in the cylinder barrel through oil feeding of the oil pipe, so that the piston is pushed to move, the piston rod is driven to extend out of the cylinder barrel, when the piston rod needs to be retracted, the oil pressure in the front cavity of the oil cylinder 10 is increased by controlling the valve body to be close to the through hole in the cylinder barrel through oil feeding of the oil pipe, and the piston is pushed.
On the basis of the above embodiment, the valve body is a multi-way valve assembly 6, the oil inlet end of the multi-way valve assembly 6 is connected to an oil pump 7, two oil outlet ends of the multi-way valve assembly 6 are respectively connected to an oil pipe through a tee joint, and the multi-way valve assembly 6 is further provided with an oil return end for returning oil.
It should be noted that the exterior of the multi-way valve assembly 6 has one or more than two oil inlet ends connected to the oil pipes, the oil pump 7 pumps oil to the oil inlet end under the driving of the motor 8, the oil enters the valve body and then enters the corresponding oil pipe through the internal passage, the valve inside the valve body is used for adjusting the oil inlet direction of the oil, the oil inlet and the oil return of each oil pipe can be controlled by controlling the valve inside the valve body, the oil in the oil cylinder 10 can enter the multi-way valve assembly 6 through the oil outlet end again when returning along the oil pipe, and then the oil is discharged out of the multi-way valve assembly 6 through the oil return end.
The occupied space of the valve body can be reduced by connecting the oil pipe and the oil pump 7 to the same multi-way valve assembly 6. Of course, other types of valve bodies may be used to control the direction of the oil path, such as solenoid valves.
In order to control the valve inside the multi-way valve assembly 6 conveniently, the multi-way valve assembly 6 is provided with a control handle 5 for changing the oil path direction of the oil pipe.
It should be noted that a plurality of control handles 5 may be arranged on the multi-way valve assembly 6, in order to simplify the apparatus, in this embodiment, one control handle 5 may be adopted, and oil may be respectively fed to the front cavities or the rear cavities of the two oil cylinders 10 through the three-way joints, that is, one control handle 5 is respectively used for controlling oil feeding and oil discharging of the front cavities of the two oil cylinders 10, the other control handle 5 is respectively used for controlling oil discharging and oil feeding of the rear cavities of the two oil cylinders 10, and if one control handle 5 is controlled to feed oil into the front cavity, the other handle is controlled to discharge oil from the rear cavity; if one control handle 5 is controlled to enable the front cavity to discharge oil, the other handle is controlled to enable the rear cavity to feed oil.
High-pressure oil from an oil pump 7 passes through a multi-way valve assembly 6 and is pushed forwards through a control handle 5, and the oil is distributed to a rear cavity of an oil cylinder 10, so that a piston rod of the oil cylinder 10 is pushed to extend out, and a driving wheel assembly 2 is pushed to move forwards; otherwise, when the control handle 5 is pulled backwards, the high-pressure oil enters the front cavity of the oil cylinder 10, so that the oil cylinder 10 retracts along the piston rod, and the driving wheel assembly 2 is pulled backwards.
Or other control modes can be adopted, the oil is distributed to the rear cavity of the oil cylinder 10 by pulling the control handle 5 backwards, so that the piston rod of the oil cylinder 10 is pushed to extend, and the driving wheel assembly 2 is pushed to move forwards; otherwise, when the operating handle 5 is pushed forward, the high-pressure oil enters the front cavity of the oil cylinder 10, so that the oil cylinder 10 retracts along the piston rod, and the driving wheel assembly 2 is pulled to move backwards. No matter which control mode is adopted, the control handle 5 can change the direction of an oil path in the oil pipe.
On the basis of the above embodiment, the oil inlet end of the oil pump 7 is connected to the first port of the oil tank 9, and the oil outlet end of the oil pump 7 is connected to the oil inlet end of the multi-way valve assembly 6. The oil tank 9 is attached to the vehicle body 3, and the wheel base can be adjusted when the vehicle body 3 travels to any position.
On the basis of the above embodiment, in order to ensure that the oil can be recycled, a second port is provided in the oil tank 9, and the second port is connected to the multi-way valve assembly 6. The oil pump 7 and the multi-way valve assembly 6 are connected to the same oil tank 9, so that oil pumped by the oil pump 7 enters one of the oil pipes on one of the oil cylinders 10 after entering the multi-way valve assembly 6, the other oil pipe discharges the oil in the oil cylinder 10 and enters the multi-way valve assembly 6, at the moment, the multi-way valve assembly 6 is connected to the oil tank 9, the oil discharged along the multi-way valve assembly 6 can enter the oil tank 9, after the valve switches direction, the original oil inlet pipe becomes the oil outlet pipe, the original oil outlet pipe becomes the oil inlet pipe, and the oil is discharged to the multi-way valve assembly 6 along the oil outlet pipe again, so that the oil enters the oil tank 9 to be recycled. Furthermore, the use of one fuel tank 9 also reduces the space occupied.
On the basis of the above embodiment, in order to limit the movement direction of the driving wheel assembly 2, the vehicle body 3 is provided with a linear track, and a limiting device for moving along the linear track is arranged at the joint of the knuckle arm connected to the driving wheel assembly 2 and the oil cylinder 10.
It should be noted that, the knuckle arm is in a strip plate shape, one end of the knuckle arm is fixedly connected with the driving wheel assembly 2, the other end of the knuckle arm is connected with the oil cylinder 10 through a pin shaft, the knuckle arm is provided with a limiting device capable of sliding on the linear track, when the oil cylinder 10 pushes or pulls the knuckle arm, the knuckle arm can drive the driving wheel assembly 2 to move, the oil cylinder 10 stretches and retracts to make linear reciprocating motion, so that the driving wheel assembly 2 also makes linear reciprocating motion, but deviation may be generated in the moving process, and in order to better limit the driving wheel assembly 2 to move along the straight line, the vehicle body 3 is provided with the linear track, so that the driving wheel assembly 2 can make linear reciprocating motion relative.
On the basis of the above embodiment, the limiting device is preferably a roller 11 rotatably disposed on the knuckle arm, and the roller 11 can roll along a linear track. The knuckle arm is provided with a round hole, a pin shaft is arranged in the round hole, one end of the pin shaft close to the linear track is provided with a roller 11, the roller 11 can rotate on the pin shaft, and the roller 11 is arranged on the linear track and can roll along the linear track. Setting the limiting device as the roller 11 can reduce the friction between the limiting device and the linear track, thereby reducing the abrasion between the limiting device and the linear track.
On the basis of the above embodiment, the linear track is the sliding groove 12 arranged along the telescopic direction of the oil cylinder 10, the roller 11 can roll along the sliding groove 12, the sliding groove 12 is a rectangular groove, the length direction of the sliding groove 12 is consistent with the telescopic direction of the oil cylinder 10, the length of the sliding groove 12 determines the movable distance of the driving wheel, and the specific length can be set according to the actual working condition. The chute 12 provided by the embodiment has a simple structure and is convenient to mount and process.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above that the utility model provides a fork truck with adjustable wheel base has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A truck with adjustable wheelbase, comprising: automobile body (3), set up in the anterior drive wheel assembly (2) of automobile body (3) with set up in directive wheel assembly (4) at automobile body (3) rear portion, directive wheel assembly (4) top be equipped with the counter weight on automobile body (3), be equipped with the regulation on automobile body (3) drive wheel assembly (2) with the adjusting device of the distance between directive wheel assembly (4), adjusting device is used for adjusting drive wheel assembly (2) for the position of automobile body (3).
2. Truck as claimed in claim 1, characterized in that said adjustment means comprise two cylinders (10) for adjusting the position of two driving wheel assemblies (2) with respect to said body (3), respectively, the end of the adjustable telescopic rod of each cylinder (10) being connected to said driving wheel assembly (2), respectively, the cylinder of each cylinder (10) being connected to said body (3).
3. The truck with adjustable wheelbase according to claim 2, characterized in that two oil pipes are connected to the cylinder barrel of each cylinder (10), and each oil pipe is connected to a valve body for adjusting the direction of an oil path in each oil pipe.
4. The forklift with the adjustable wheelbase according to claim 3, wherein the valve body is a multi-way valve assembly (6), an oil inlet end of the multi-way valve assembly (6) is connected to an oil pump (7), two oil outlet ends of the multi-way valve assembly (6) are respectively connected to the oil pipe through a tee joint, and an oil return end for returning oil is further arranged on the multi-way valve assembly (6).
5. Forklift truck with adjustable wheelbase according to claim 4, characterized in that the multi-way valve assembly (6) is provided with a steering handle (5) for changing the direction of the oil path of the oil pipe.
6. Forklift truck with adjustable wheelbase according to claim 5, characterized in that the oil inlet of the oil pump (7) is connected to the first connection of the oil tank (9) and the oil outlet of the oil pump (7) is connected to the oil inlet of the multi-way valve assembly (6).
7. Truck as claimed in claim 6, characterized in that said tank (9) is provided with a second interface connected to said multi-way valve assembly (6).
8. The truck with adjustable wheel base according to any one of claims 2 to 7, characterized in that the truck body (3) is provided with a linear track, and the joint between the knuckle arm connected to the driving wheel assembly (2) and the oil cylinder (10) is provided with a limiting device for moving along the linear track.
9. Truck as claimed in claim 8, characterized in that said stop means are rollers (11) rotatably mounted on said knuckle arms, said rollers (11) being rollable along said linear track.
10. The truck according to claim 9, characterized in that said linear track is a runner (12) provided along the telescopic direction of said cylinder (10), said roller (11) being rollable along said runner (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133622.6U CN210457343U (en) | 2019-07-18 | 2019-07-18 | Forklift with adjustable axle distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921133622.6U CN210457343U (en) | 2019-07-18 | 2019-07-18 | Forklift with adjustable axle distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210457343U true CN210457343U (en) | 2020-05-05 |
Family
ID=70446300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921133622.6U Active CN210457343U (en) | 2019-07-18 | 2019-07-18 | Forklift with adjustable axle distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210457343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240088A (en) * | 2019-07-18 | 2019-09-17 | 杭叉集团股份有限公司 | A kind of adjustable fork truck of wheelbase |
-
2019
- 2019-07-18 CN CN201921133622.6U patent/CN210457343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240088A (en) * | 2019-07-18 | 2019-09-17 | 杭叉集团股份有限公司 | A kind of adjustable fork truck of wheelbase |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9079754B2 (en) | Powered pallet truck | |
| DE602004003581T3 (en) | FORKLIFT WITH A SINGLE FRONT WHEEL | |
| US20170158473A1 (en) | Hydraulic jack capable of quickly lifting load | |
| CN210457343U (en) | Forklift with adjustable axle distance | |
| CN110240088A (en) | A kind of adjustable fork truck of wheelbase | |
| CN109823989B (en) | Pallet fork device of pallet truck | |
| US20090279994A1 (en) | Fork assembly lift mechanism | |
| CN113998620A (en) | Support vehicle device | |
| CN108726445B (en) | Simple electric pallet truck | |
| CN2212587Y (en) | Pipe guide rail hydraulic lifting car | |
| CN110228528B (en) | Variable wheel base frame and have jack-up vehicle of variable wheel base frame | |
| CN204774879U (en) | Platform structure on van -type tailer over -and -under type | |
| CN108640014A (en) | A kind of clamping lifting gear for parking robot platform | |
| CN202089727U (en) | Hydraulic lifting mould conveying vehicle | |
| CN113979113B (en) | Single-upright-column connecting-rod type automatic stacker crane | |
| CN207750302U (en) | A kind of lorry-mounted crane multi-way reversing device | |
| CN210062993U (en) | Train wheel pair wheel distance adjusting device | |
| CN110001744B (en) | Telescopic steering wheel and control method thereof | |
| CN112499523A (en) | Forklift truck | |
| CN207943831U (en) | A kind of electri forklift | |
| CN211034429U (en) | Cage reversing equipment | |
| CN217101744U (en) | Pallet carrying AGV trolley | |
| CN206437841U (en) | A kind of abandoned car, which is disassembled, uses Hoisting ＆ turning device | |
| CN104310281A (en) | Internal combustion engine driven large-tonnage hydrostatic four-way forklift | |
| CN210416743U (en) | Variable wheel base frame and have jack-up vehicle of variable wheel base frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |