CN219792385U - Static pressure driving side forklift - Google Patents
Static pressure driving side forklift Download PDFInfo
- Publication number
- CN219792385U CN219792385U CN202223014567.3U CN202223014567U CN219792385U CN 219792385 U CN219792385 U CN 219792385U CN 202223014567 U CN202223014567 U CN 202223014567U CN 219792385 U CN219792385 U CN 219792385U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- forklift
- frame
- driving
- wheel
- 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
- 230000003068 static effect Effects 0.000 title description 6
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000010923 batch production Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a hydrostatic drive side forklift, which comprises a frame, wherein a cab and a working device are arranged on the frame, and the working device is positioned on one side of the frame; the frame is provided with a driving system, a hydraulic system and a control system; the driving system comprises an engine and a hydraulic driving mechanism connected with the engine. Because the hydrostatic drive system of the hydraulic motor is adopted, the use requirements of the hydrostatic drive side forklift under various working conditions are completely met, the control system of the forklift is simplified, the cost of the drive system is lower, and the batch production and the sales are easy. The novel forklift is structurally innovated, the shell is connected with the frame, the rotor is connected with the tire, the structure is simple, the manufacturability is good, the torque converter, the gearbox, the chain wheel box and the drive axle are omitted, and the reliability and the economy are higher for users.
Description
Technical Field
The utility model relates to the technical field of industrial vehicles, in particular to a hydrostatic drive side forklift.
Background
The existing side forklift generally transmits power to a main speed reducer and a drive axle through an engine, a torque converter, a gearbox and a chain wheel box, and finally controls wheels to move.
Disclosure of Invention
Aiming at the defects or shortcomings, the utility model aims to provide the hydrostatic drive side forklift which is simple in structure and convenient to assemble, debug and maintain.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the hydrostatic drive side forklift comprises a frame, wherein a cab and a working device are arranged on the frame, and the working device is positioned on one side of the frame; the frame is provided with a driving system, a hydraulic system and a control system; the driving system comprises an engine and a hydraulic driving mechanism connected with the engine.
The hydraulic driving mechanism is arranged on the rear wheel of the forklift, and the steering mechanism is arranged on the front wheel of the forklift.
The hydraulic drive mechanism includes: the hydraulic variable pump is connected with the engine, a wheel driving hydraulic motor is connected to the hydraulic variable pump, and the wheel driving hydraulic motor is connected with the tire to drive the tire to rotate.
The wheel rim driving hydraulic motor is integrally installed with the tire and is installed on the frame.
The hydraulic variable pump is a DA pump.
The hydraulic variable pump is connected with the wheel side driving hydraulic motor through an oil pipe, a flow controller is arranged on the hydraulic variable pump, the flow controller is connected with the control system, the flow and the pressure are controlled, and the wheel side driving hydraulic motor is controlled to work.
And bumpers are arranged at the front and the rear of the frame.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a hydrostatic drive side forklift, which completely meets the use requirements of the hydrostatic drive side forklift under various working conditions due to the adoption of a hydrostatic drive system of a hydraulic motor, simplifies the operation system of the forklift, has lower cost of the drive system and is easy for mass production and sales. The novel forklift is structurally innovated, the shell is connected with the frame, the rotor is connected with the tire, the structure is simple, the manufacturability is good, the torque converter, the gearbox, the chain wheel box and the drive axle are omitted, and the reliability and the economy are higher for users.
Drawings
FIG. 1 is a schematic view of a hydrostatic drive side forklift in accordance with one embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a hydrostatic drive side forklift according to the second embodiment of the present utility model.
In the figure, 1-a frame; 2-a drive system; 3-a working device; 4-a hydraulic system; 5-a control system; 6, an engine; 7-a hydraulic variable pump; 8-wheel side driving hydraulic motor; 9-driving the tire; 10-cab.
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 and 2, the utility model provides a hydrostatic drive side forklift, which comprises a forklift frame 1, wherein a cab 10 and a working device 3 are arranged on the forklift frame 1, and the working device 3 is positioned on one side of the forklift frame 1; the frame 1 is provided with a driving system 2, a hydraulic system 4 and a control system 5; wherein the drive system 2 comprises an engine 6 and a hydraulic drive mechanism connected with the engine 6.
Specifically, the hydraulic driving mechanism is arranged on the rear wheel of the forklift, and the steering mechanism is arranged on the front wheel of the forklift. The hydraulic drive mechanism includes: the hydraulic variable pump 7 is connected with the engine 6, the hydraulic variable pump 7 is connected with the wheel driving hydraulic motor 8, and the wheel driving hydraulic motor 8 is connected with the tire 9 to drive the tire 9 to rotate. The wheel rim driving hydraulic motor 8 is mounted integrally with the tyre 9 and is mounted to the frame 1. The hydraulic variable displacement pump 7 in the present utility model is exemplified as a DA pump. Specifically, the output end of the engine 6 is connected with a hydraulic variable pump 7, and two paths of hydraulic oil driving output ends of the hydraulic variable pump 7 are respectively connected with wheel driving hydraulic motors 8 connected with left and right tires.
Specifically, the hydraulic variable pump 7 is connected with the wheel side driving hydraulic motor 8 through an oil pipe, a flow controller is installed on the hydraulic variable pump 7, the flow controller is connected with the control system 5, the flow and the pressure are controlled, and the wheel side driving hydraulic motor 8 is controlled to work.
Preferably, in the utility model, the front and rear of the frame 1 are provided with bumpers, and the vehicle body is provided with a tool box, so that the vehicle is attractive and practical and is convenient for a driver.
According to the static pressure driving side forklift, the variable motor is used for driving the wheel side hydraulic motor through the control system to complete transmission of driving power, parts such as a torque converter, a gearbox, a speed reducer and a driving axle of a common hydraulic side forklift are omitted, driving and control of the forklift are achieved, the structure is simpler, the cost is lower, and the use and maintenance are more convenient. In addition, the power of the side forklift driving system is provided with the hydraulic variable pump 7, and the flow and the pressure are controlled through an oil pipe and a controller, so that the hydraulic motor 8 is driven to rotate while the hydraulic motor is directly connected with the tire, and the tire 9 is driven to rotate. Compared with a common hydraulically driven side forklift, the advantages are obvious: firstly, the structure is simple, and parts such as a torque converter, a gearbox, a transmission shaft, a drive axle and the like are omitted; secondly, the cost is lower; thirdly, easy maintenance. Is a novel side forklift.
The working process of the utility model is as follows:
the control actions of the driver, such as acceleration, deceleration, reversing, parking brake, lifting and descending, etc. are input into the controller. The static pressure braking technology is an innovative design, the vehicle is stable in running, the service braking of the vehicle is stable and comfortable, the parking braking operating force is smaller, the operation is light, and the braking on the ramp is also very reliable.
The utility model drives the variable pump through the engine, then drives the hydraulic motor through the variable pump, the motor is directly arranged on the wheels, and the control of the functions of the side-type forklift is carried out through the controller, so that the control actions of a driver, such as acceleration, deceleration, reversing, parking braking, lifting and descending, and other information are input into the controller. The static pressure braking technology ensures that the vehicle stably walks, the vehicle is reliably braked on the ramp, the cost is low, and the maintenance is convenient.
The hydrostatic drive side forklift is an innovative design, a hydrostatic drive system of a hydraulic motor is realized, a control system of the forklift is simplified, the cost of the drive system is low, and the mass production and the sale are easy. Structurally, the shell is connected with the frame, the rotor is connected with the tire, and the structure is simple and the manufacturability is good. The forklift removes a torque converter, a gearbox, a chain wheel box and a drive axle, so that the reliability and the economy are higher for users; the utility model completely meets the use requirements of the static pressure driving side forklift under various working conditions.
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 (3)
1. The hydrostatic drive side forklift is characterized by comprising a frame (1), wherein a cab (10) and a working device (3) are arranged on the frame (1), and the working device (3) is positioned on one side of the frame (1); the frame (1) is provided with a driving system (2), a hydraulic system (4) and a control system (5); wherein the driving system (2) comprises an engine (6) and a hydraulic driving mechanism connected with the engine (6); the hydraulic drive mechanism includes: the hydraulic variable pump (7) is connected with the engine (6), the hydraulic variable pump (7) is connected with a wheel-side driving hydraulic motor (8), and the wheel-side driving hydraulic motor (8) is connected with the tire (9) to drive the tire (9) to rotate; the hydraulic driving mechanism is arranged on the rear wheel of the forklift, and the steering mechanism is arranged on the front wheel of the forklift; the wheel side driving hydraulic motor (8) and the tyre (9) are installed into a whole and are installed on the frame (1); the hydraulic variable pump (7) is connected with the wheel side driving hydraulic motor (8) through an oil pipe, a flow controller is arranged on the hydraulic variable pump (7), the flow controller is connected with the control system (5), the flow and the pressure are controlled, and the wheel side driving hydraulic motor (8) is controlled to work.
2. The hydrostatic drive side forklift of claim 1, wherein the hydraulic variable pump (7) is a DA pump.
3. The hydrostatic drive side forklift as claimed in claim 1, wherein the frame (1) is provided with bumpers in front and rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014567.3U CN219792385U (en) | 2022-11-11 | 2022-11-11 | Static pressure driving side forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014567.3U CN219792385U (en) | 2022-11-11 | 2022-11-11 | Static pressure driving side forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219792385U true CN219792385U (en) | 2023-10-03 |
Family
ID=88187795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223014567.3U Active CN219792385U (en) | 2022-11-11 | 2022-11-11 | Static pressure driving side forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219792385U (en) |
-
2022
- 2022-11-11 CN CN202223014567.3U patent/CN219792385U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104175873B (en) | A kind of four-wheel driving electric vehicle chassis drive system and control method thereof | |
| CN112406498A (en) | Dual-motor torque vector system, control method and automobile | |
| CN111688410A (en) | Vehicle axle with hydraulic retarder | |
| CN204956076U (en) | Electric automobile torsion beam formula actuating system | |
| CN101121418A (en) | Electric four-wheeled independent driving automobile | |
| CN219792385U (en) | Static pressure driving side forklift | |
| CN102328582A (en) | Electric automobile with electric self-driven wheels | |
| CN110758086A (en) | Electronic differential four-wheel drive electric vehicle | |
| CN113022226A (en) | Double-power output electric drive axle | |
| CN215321792U (en) | Dual-motor automatic gear steering drive integrated axle assembly for self-discharging mine car | |
| CN105034790A (en) | Electric automobile torsion girder type driving system and driving method of same | |
| CN2840491Y (en) | Electric vehicle hub electric machine differential driving device | |
| CN102889353B (en) | Brake drum differential transfer case | |
| CN202213489U (en) | Four-wheel driving device | |
| CN211943557U (en) | Integrated electric driving power-assisted semitrailer | |
| CN205220663U (en) | Hydraulic for machineshop car - mechanical drive bogie | |
| CN211809005U (en) | Tractor chassis structure driven by hub motor | |
| CN204432393U (en) | A kind of can before and after the trac. of four wheel drive | |
| CN211493658U (en) | Driving mechanism for wire control chassis | |
| CN113291151A (en) | Drive axle of integrated input shaft position variable reduction gearbox for snow sweeper | |
| CN108422857B (en) | Hydraulic driving device of track engineering vehicle | |
| CN202914663U (en) | Differential transfer case for brake drum | |
| CN101353014A (en) | Oil motor driven vehicle axle for trailer | |
| CN101618681B (en) | Vehicle stepless speed-change low-speed driving device | |
| CN203078303U (en) | Driving system of electric trackless rubber tire vehicle for mining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |