CN205469261U - Automatic hydrostatic steering braking system of guide transport vechicle - Google Patents
Automatic hydrostatic steering braking system of guide transport vechicle Download PDFInfo
- Publication number
- CN205469261U CN205469261U CN201620076942.2U CN201620076942U CN205469261U CN 205469261 U CN205469261 U CN 205469261U CN 201620076942 U CN201620076942 U CN 201620076942U CN 205469261 U CN205469261 U CN 205469261U
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- valve
- control valve
- proportional
- servo driver
- transportation vehicle
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- Hydraulic Control Valves For Brake Systems (AREA)
Abstract
The utility model discloses an automatic hydrostatic steering braking system of guide transport vechicle, including front axle steering cylinder, rear axle steering cylinder, turn to multichannel valves area proportion servo driver and braking valve unit, it includes first proportion switching -over valve and second proportion switching -over valve to turn to multichannel valves area proportion servo driver, front axle steering cylinder is connected with the first proportion switching -over valve that turns to multichannel valves area proportion servo driver, rear axle steering cylinder is connected with the second proportion switching -over valve that turns to multichannel valves area proportion servo driver, turn to multichannel valves area proportion servo driver and be provided with the sensitive pressure -gradient control valve of load being connected of braking valve unit on the oil circuit, being connected of the sensitive pressure -gradient control valve of load and manual pump is provided with the check valve on the oil circuit. The utility model discloses a steering control and the brake control of high -efficient, high precision have improved automated guided transporting vehicle's operating efficiency, have guaranteed the security of its operation.
Description
Technical field
This utility model relates to the fluid-link steering brakes of a kind of automatical pilot transportation vehicle, belongs to technical field of vehicle manufacture.
Background technology
Automatical pilot transportation vehicle refers to that being equipped with electricity magnetically or optically waits homing guidance device; can travel along the guide path of regulation; there is safeguard protection and the transport vehicle of various transfer function, commercial Application is not required to the mover of driver, be its power resources with chargeable accumulator.The general computer that can pass through controls its course and behavior, or utilizes electromagnetic path to set up its course, and electromagnetic path is pasted on what floor, and the message that automatical pilot transportation vehicle then follows electromagnetic path to be brought moves and action.Along with application and the development of electronic technology of new control algolithm, automatical pilot transportation vehicle just towards at a high speed, in high precision, Opening, intellectuality, web development, kinetic control system be it is also proposed higher requirement.Automatical pilot transportation vehicle to realize course changing control efficient, high-precision and control for brake, it is necessary to relies on advanced control strategy and excellent kinetic control system.
Utility model content
The purpose of this utility model is, it is provided that the fluid-link steering brakes of a kind of automatical pilot transportation vehicle, and this system is capable of course changing control efficient to automatical pilot transportation vehicle, high-precision and control for brake.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that: the fluid-link steering brakes of a kind of automatical pilot transportation vehicle, including propons steering cylinder, rear-axle steering oil cylinder, turn to banked direction control valves group band proportional servo driver and brake control valve group, banked direction control valves group band proportional servo driver is turned to include the first proportional reversing valve and the second proportional reversing valve, propons steering cylinder is connected with the first proportional reversing valve turning to banked direction control valves group band proportional servo driver, rear-axle steering oil cylinder is connected with the second proportional reversing valve turning to banked direction control valves group band proportional servo driver, banked direction control valves group band proportional servo driver is turned to be provided with load-sensitive pressure-gradient control valve on the connection oil circuit of brake control valve group, load-sensitive pressure-gradient control valve is provided with check valve on the connection oil circuit of manual pump.Native system uses load-sensitive pressure-gradient control valve and banked direction control valves proportional servo driver to control to turn to banked direction control valves group band proportional servo driver and brake control valve group, thus controls the running status of automatical pilot transportation vehicle.Manual pump is in order to release braking.
The fluid-link steering brakes of aforesaid a kind of automatical pilot transportation vehicle, described in turn to and on the connection oil circuit of banked direction control valves group band proportional servo driver, be provided with double slow valve and Fill valve.Can encounter complex road surface during Vehicular turn, if steering cylinder has compression shock, double slow valves then may be used to the impact eliminating this pressure to system, thus protects system.
The fluid-link steering brakes of aforesaid a kind of automatical pilot transportation vehicle, described brake control valve group includes normally opened proportional flow control valve, normally opened proportional flow control valve is connected with choke valve, proportional pressure control valve and manual rotary valve by oil circuit, manual rotary valve is connected with pressure transmitter, and the connection oil circuit between proportional pressure control valve and manual rotary valve is provided with solenoid directional control valve.
The fluid-link steering brakes of aforesaid a kind of automatical pilot transportation vehicle, described brake control valve group is connected with the first accumulator, and the dischargeable capacity of the first accumulator is 1L.
The fluid-link steering brakes of aforesaid a kind of automatical pilot transportation vehicle, described in turn to banked direction control valves group band proportional servo driver to be connected with the second accumulator and the 3rd accumulator, the dischargeable capacity of the second accumulator and the 3rd accumulator is 1.7L.Demand to fuel feeding when first accumulator, the second accumulator and the 3rd accumulator can meet system leakage repairing and start rapidly.
The fluid-link steering brakes of aforesaid a kind of automatical pilot transportation vehicle, described manual rotary valve is 23 and leads to manual rotary valve.
The fluid-link steering brakes of aforesaid a kind of automatical pilot transportation vehicle, described solenoid directional control valve is 23 electric change valves.
The fluid-link steering brakes of aforesaid a kind of automatical pilot transportation vehicle, described normally opened proportional flow control valve is 22 and leads to proportional flow control valve.
Compared with prior art, this utility model passes through load-sensitive pressure-gradient control valve, turns to banked direction control valves group band proportional servo driver and brake control valve group, control the running status of automatical pilot transportation vehicle, achieve efficient, the course changing control of high accurancy and precision and control for brake, improve the operational efficiency of automatical pilot transportation vehicle, it is ensured that its safety run.
Accompanying drawing explanation
Fig. 1 is hydraulic system principle figure of the present utility model.
Reference: 1-propons steering cylinder, 2-rear-axle steering oil cylinder, 3-turns to banked direction control valves group band proportional servo driver, 4-brake control valve group, 5-the first proportional reversing valve, 6-the second proportional reversing valve, 7-load-sensitive pressure-gradient control valve, 8-manual pump, 9-check valve, the double slow valve of 10-, the normally opened proportional flow control valve of 11-, 12-choke valve, 13-proportional pressure control valve, 14-manual rotary valve, 15-pressure transmitter, 16-solenoid directional control valve, 17-the first accumulator, 18-the second accumulator, 19-the 3rd accumulator, 20-Fill valve.
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings.
Detailed description of the invention
Embodiment 1 of the present utility model: the fluid-link steering brakes of a kind of automatical pilot transportation vehicle, including propons steering cylinder 1, rear-axle steering oil cylinder 2, turn to banked direction control valves group band proportional servo driver 3 and brake control valve group 4, banked direction control valves group band proportional servo driver 3 is turned to include the first proportional reversing valve 5 and the second proportional reversing valve 6, propons steering cylinder 1 is connected with the first proportional reversing valve 5 turning to banked direction control valves group band proportional servo driver 3, rear-axle steering oil cylinder 2 is connected with the second proportional reversing valve 6 turning to banked direction control valves group band proportional servo driver 3, banked direction control valves group band proportional servo driver 3 is turned to be provided with load-sensitive pressure-gradient control valve 7 on the connection oil circuit of brake control valve group 4, load-sensitive pressure-gradient control valve 7 is provided with check valve 9 on the connection oil circuit of manual pump 8.Native system uses load-sensitive pressure-gradient control valve 7 and banked direction control valves proportional servo driver to control to turn to banked direction control valves group band proportional servo driver 3 and brake control valve group 4, thus controls the travel condition of automatical pilot transportation vehicle.Manual pump 8 is in order to release braking.
Turn to and on the connection oil circuit of banked direction control valves group band proportional servo driver 3, be provided with double slow valve 10 and Fill valve 20.
Turning to banked direction control valves group band proportional servo driver 3 to be connected with the second accumulator 18 and the 3rd accumulator 19, the dischargeable capacity of the second accumulator 18 and the 3rd accumulator 19 is 1.7L.
Embodiment 2 of the present utility model: the fluid-link steering brakes of a kind of automatical pilot transportation vehicle, including propons steering cylinder 1, rear-axle steering oil cylinder 2, turn to banked direction control valves group band proportional servo driver 3 and brake control valve group 4, banked direction control valves group band proportional servo driver 3 is turned to include the first proportional reversing valve 5 and the second proportional reversing valve 6, propons steering cylinder 1 is connected with the first proportional reversing valve 5 turning to banked direction control valves group band proportional servo driver 3, rear-axle steering oil cylinder 2 is connected with the second proportional reversing valve 6 turning to banked direction control valves group band proportional servo driver 3, banked direction control valves group band proportional servo driver 3 is turned to be provided with load-sensitive pressure-gradient control valve 7 on the connection oil circuit of brake control valve group 4, load-sensitive pressure-gradient control valve 7 is provided with check valve 9 on the connection oil circuit of manual pump 8.
Brake control valve group 4 includes that 22 are generally opened proportional flow control valve 11, generally open proportional flow control valve 11 for 22 to be connected with choke valve 12, proportional pressure control valve 13 and manual rotary valve 14 by oil circuit, lead to manual rotary valve 14 for 23 to be connected with pressure transmitter 15, proportional pressure control valve 13 and 2 the 3 connection oil circuits led between manual rotary valve 14 are provided with 23 electric change valves 16.
Brake control valve group 4 is connected with the first accumulator 17, and the dischargeable capacity of the first accumulator 17 is 1L.
Embodiment 3 of the present utility model: the fluid-link steering brakes of a kind of automatical pilot transportation vehicle, including propons steering cylinder 1, rear-axle steering oil cylinder 2, turn to banked direction control valves group band proportional servo driver 3 and brake control valve group 4, banked direction control valves group band proportional servo driver 3 is turned to include the first proportional reversing valve 5 and the second proportional reversing valve 6, propons steering cylinder 1 is connected with the first proportional reversing valve 5 turning to banked direction control valves group band proportional servo driver 3, rear-axle steering oil cylinder 2 is connected with the second proportional reversing valve 6 turning to banked direction control valves group band proportional servo driver 3, banked direction control valves group band proportional servo driver 3 is turned to be provided with load-sensitive pressure-gradient control valve 7 on the connection oil circuit of brake control valve group 4, load-sensitive pressure-gradient control valve 7 is provided with check valve 9 on the connection oil circuit of manual pump 8.
Turn to and on the connection oil circuit of banked direction control valves group band proportional servo driver 3, be provided with double slow valve 10 and Fill valve 20.Turning to banked direction control valves group band proportional servo driver 3 to be connected with the second accumulator 18 and the 3rd accumulator 19, the dischargeable capacity of the second accumulator 18 and the 3rd accumulator 19 is 1.7L.
Brake control valve group 4 includes that 22 are generally opened proportional flow control valve 11, generally open proportional flow control valve 11 for 22 to be connected with choke valve 12, proportional pressure control valve 13 and manual rotary valve 14 by oil circuit, lead to manual rotary valve 14 for 23 to be connected with pressure transmitter 15, proportional pressure control valve 13 and 2 the 3 connection oil circuits led between manual rotary valve 14 are provided with 23 electric change valves 16.Brake control valve group 4 is connected with the first accumulator 17, and the dischargeable capacity of the first accumulator 17 is 1L.
Operation principle of the present utility model: native system uses load-sensitive pressure-gradient control valve 7 and banked direction control valves proportional servo driver to control to turn to banked direction control valves group band proportional servo driver 3 and brake control valve group 4, thus controls the running status of automatical pilot transportation vehicle.Due to load-sensitive pressure-gradient control valve 7 and the load-sensitive of proportional pressure control valve 13, thus control for brake has precedence over course changing control.
It is normally open during 23 logical solenoid directional control valve 16 power-off, during vehicle to run, solenoid directional control valve 16 obtains electric, then LS load-sensitive pressure signal reaches the spring cavity side, left side of load-sensitive pressure-gradient control valve 7, guiding valve moves right, priority port is opened, steering pump fuel feeding preferentially supplies priority port, the fuel supply flow rate of priority port is adjustable in the range of 10-30L, unnecessary flow supply by-pass port, the fuel supply flow rate of by-pass port is adjustable at 10-90L, when proportional pressure control valve 13 reaches maximum pressure, brake cylinder just discharges brake, makes automatical pilot transportation vehicle be in normal walking states.
It it is normally open during proportional pressure control valve 13 power-off, during brake actuating, proportional pressure control valve 13 obtains electric, the pressure of proportional pressure control valve 13 changes with the voltage signal of solenoid, voltage reduces, then the pressure of proportional pressure control valve 13 reduces, and the pressure in checking cylinder oil cylinder chamber reduces, brake force increases, and automatical pilot transportation vehicle implements rate restraint.
During brake hard, solenoid directional control valve 16 power-off, brake cylinder fuel feeding is released back into fuel tank, and the pressure of checking cylinder is zero, and brake force is maximum, and automatical pilot transportation vehicle implements hard brake stop.
Claims (8)
- null1. the fluid-link steering brakes of an automatical pilot transportation vehicle，It is characterized in that: include propons steering cylinder (1)、Rear-axle steering oil cylinder (2)、Turn to banked direction control valves group band proportional servo driver (3) and brake control valve group (4)，Banked direction control valves group band proportional servo driver (3) is turned to include the first proportional reversing valve (5) and the second proportional reversing valve (6)，Described propons steering cylinder (1) is connected with the first proportional reversing valve (5) turning to banked direction control valves group band proportional servo driver (3)，Described rear-axle steering oil cylinder (2) is connected with the second proportional reversing valve (6) turning to banked direction control valves group band proportional servo driver (3)，It is provided with load-sensitive pressure-gradient control valve (7) on the described connection oil circuit turning to banked direction control valves group band proportional servo driver (3) and brake control valve group (4)，Load-sensitive pressure-gradient control valve (7) is provided with check valve (9) on the connection oil circuit of manual pump (8).
- The fluid-link steering brakes of a kind of automatical pilot transportation vehicle the most according to claim 1, it is characterised in that turn to described in: and be provided with double slow valve (10) and Fill valve (20) on the connection oil circuit of banked direction control valves group band proportional servo driver (3).
- The fluid-link steering brakes of a kind of automatical pilot transportation vehicle the most according to claim 1, it is characterized in that: described brake control valve group (4) includes normally opened proportional flow control valve (11), normally opened proportional flow control valve (11) is connected with choke valve (12), proportional pressure control valve (13) and manual rotary valve (14) by oil circuit, manual rotary valve (14) is connected with pressure transmitter (15), and the connection oil circuit between described proportional pressure control valve (13) and manual rotary valve (14) is provided with solenoid directional control valve (16).
- 4. according to the fluid-link steering brakes of a kind of automatical pilot transportation vehicle described in claim 1 or 3, it is characterized in that: described brake control valve group (4) is connected with the first accumulator (17), the dischargeable capacity of described first accumulator (17) is 1L.
- The fluid-link steering brakes of a kind of automatical pilot transportation vehicle the most according to claim 1 and 2, it is characterized in that: described in turn to banked direction control valves group band proportional servo driver (3) to be connected with the second accumulator (18) and the 3rd accumulator (19), the dischargeable capacity of described second accumulator (18) and the 3rd accumulator (19) is 1.7L.
- The fluid-link steering brakes of a kind of automatical pilot transportation vehicle the most according to claim 3, it is characterised in that: described manual rotary valve (14) is 23 and leads to manual rotary valve.
- The fluid-link steering brakes of a kind of automatical pilot transportation vehicle the most according to claim 3, it is characterised in that: described solenoid directional control valve (16) is 23 electric change valves.
- The fluid-link steering brakes of a kind of automatical pilot transportation vehicle the most according to claim 3, it is characterised in that: described normally opened proportional flow control valve (11) is 22 and leads to proportional flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076942.2U CN205469261U (en) | 2016-01-26 | 2016-01-26 | Automatic hydrostatic steering braking system of guide transport vechicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076942.2U CN205469261U (en) | 2016-01-26 | 2016-01-26 | Automatic hydrostatic steering braking system of guide transport vechicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205469261U true CN205469261U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620076942.2U Expired - Fee Related CN205469261U (en) | 2016-01-26 | 2016-01-26 | Automatic hydrostatic steering braking system of guide transport vechicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205469261U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842531A (en) * | 2016-09-21 | 2018-03-27 | 比亚迪股份有限公司 | The hydraulic integrated control system and vehicle of vehicle |
| CN109178093A (en) * | 2018-11-02 | 2019-01-11 | 青岛新松机器人自动化有限公司 | The fluid-link steering braking system of automated guided vehicle |
| CN109884894A (en) * | 2019-03-08 | 2019-06-14 | 福州大学 | Electro-hydraulic servo steering system neural network integral sliding mode control method |
| WO2020215598A1 (en) * | 2019-04-23 | 2020-10-29 | 丰疆智能科技股份有限公司 | Steering and braking hydraulic pump assembly and application thereof |
| CN114290855A (en) * | 2022-01-10 | 2022-04-08 | 徐州徐工汽车制造有限公司 | Vehicle chassis and vehicle |
| CN114458061A (en) * | 2022-04-13 | 2022-05-10 | 烟台安姆斯实业有限公司 | Self-propelled environmental protection factory building |
-
2016
- 2016-01-26 CN CN201620076942.2U patent/CN205469261U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842531A (en) * | 2016-09-21 | 2018-03-27 | 比亚迪股份有限公司 | The hydraulic integrated control system and vehicle of vehicle |
| CN107842531B (en) * | 2016-09-21 | 2019-11-22 | 比亚迪股份有限公司 | The hydraulic integrated control system and vehicle of vehicle |
| CN109178093A (en) * | 2018-11-02 | 2019-01-11 | 青岛新松机器人自动化有限公司 | The fluid-link steering braking system of automated guided vehicle |
| CN109178093B (en) * | 2018-11-02 | 2023-12-26 | 青岛新松机器人自动化有限公司 | Hydraulic steering braking system of automatic guided vehicle |
| CN109884894A (en) * | 2019-03-08 | 2019-06-14 | 福州大学 | Electro-hydraulic servo steering system neural network integral sliding mode control method |
| CN109884894B (en) * | 2019-03-08 | 2021-07-13 | 福州大学 | Neural network integral sliding mode control method for electro-hydraulic power-assisted steering system |
| WO2020215598A1 (en) * | 2019-04-23 | 2020-10-29 | 丰疆智能科技股份有限公司 | Steering and braking hydraulic pump assembly and application thereof |
| CN114290855A (en) * | 2022-01-10 | 2022-04-08 | 徐州徐工汽车制造有限公司 | Vehicle chassis and vehicle |
| CN114290855B (en) * | 2022-01-10 | 2023-09-12 | 徐州徐工汽车制造有限公司 | Vehicle chassis and vehicle |
| CN114458061A (en) * | 2022-04-13 | 2022-05-10 | 烟台安姆斯实业有限公司 | Self-propelled environmental protection factory building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20190126 |