CN109484381A - The gear and brake linkage of vehicle - Google Patents
The gear and brake linkage of vehicle Download PDFInfo
- Publication number
- CN109484381A CN109484381A CN201811304618.1A CN201811304618A CN109484381A CN 109484381 A CN109484381 A CN 109484381A CN 201811304618 A CN201811304618 A CN 201811304618A CN 109484381 A CN109484381 A CN 109484381A
- Authority
- CN
- China
- Prior art keywords
- valve
- pilot operated
- brake
- oil inlet
- operated directional
- 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.)
- Pending
Links
- 230000007935 neutral effect Effects 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241001123862 Mico Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
A kind of gear and brake linkage of vehicle, including preceding bridge brake, rear axle brake vi, accumulator, foot valve, block selecting operation valve, forward gear clutch, retreating gear clutch, pilot operated directional control valve, the first check valve and second one-way valve；First oil inlet P 1 of pilot operated directional control valve is connected to accumulator, and the second oil inlet P 2 of pilot operated directional control valve is connected to the execution mouth A of foot valve, and the execution mouth A of pilot operated directional control valve is connected to preceding bridge brake and rear axle brake vi；The execution mouth A of block selecting operation valve is connected to the oil inlet of forward gear clutch and the first check valve respectively, and the execution mouth B of block selecting operation valve is connected to the oil inlet of retreating gear clutch and second one-way valve respectively；The oil outlet of first check valve and the oil outlet of second one-way valve are connected to the control mouth K of pilot operated directional control valve.The present invention can be achieved to choose whether to need to brake by driver when hanging forward gear or retreating gear, be braked automatically when hanging neutral gear.
Description
Technical field
The present invention relates to a kind of vehicle, in particular to the gear and brake linkage of a kind of vehicle.
Background technique
Generally forward gear is hung when driver is open to traffic or retreating gear is stepped on the gas again, and chooses whether to need to make by driver
It is dynamic, when needing to stop, throttle can be unclamped, neutral gear is hung and is braked.For need to often convert operating location and different work
The distance between place and shorter working truck since the distance of its traveling is very short, and need to often stop during operation
Vehicle continually operates throttle, braking and gear for driver, and operation is very inconvenient, therefore designs a kind of extension forward gear
Or it can be chosen whether to need to brake by driver when retreating gear, the gear and braking connection that can be braked automatically when hanging neutral gear
Dynamic device is very necessary, forward gear or retreating gear need to be only hung when such driver is open to traffic, then step on the gas, and vehicle reaches
When operating location, only it need to unclamp throttle and hang neutral gear.
The brake apparatus of the vehicle of the prior art is as shown in Fig. 2, include preceding bridge brake 50, rear axle brake vi 51, accumulation of energy
Device 52 and foot valve 53, preceding bridge brake 50 and rear axle brake vi 51 are wet brake, the oil inlet P and storage of foot valve 53
Energy device 52 is connected to, and the execution mouth A of foot valve 53 is connected to preceding bridge brake 50 and rear axle brake vi 51 respectively.When accumulator 52
When pressure declines, give accumulator 52 filling liquid by prefill valve by the hydraulic pump on vehicle.When the brake pedal for stepping on foot valve 53
When 53-1 is braked, the oil inlet P of foot valve 53 is communicated with mouth A is executed, and the pressure oil in accumulator 52 is arrived through foot valve 53
Up to preceding bridge brake 50 and rear axle brake vi 51, to be braked to front vehicle wheel and rear wheel.
The stopping device of the prior art as shown in figure 3, include block selecting operation valve 60, forward gear clutch 61, retreating gear from
Clutch 62 and accumulator 52, the control stick 60-1 that block selecting operation valve 60 includes, the oil inlet P and accumulator 52 of block selecting operation valve 60
Oil outlet connection, the execution mouth A of block selecting operation valve 60 is connected to forward gear clutch 61, the execution mouth B of block selecting operation valve 60
It is connected to retreating gear clutch 62, the control stick 60-1 of block selecting operation valve 60 passes through flexible axle and the gear selector for being located at driver's cabin
Connection.When the gear selector that driver's operation is located at driver's cabin is allowed to hang on forward gear, block selecting is driven to operate by flexible axle
The control stick 60-1 of valve 60 is mobile, communicates the oil inlet P of block selecting operation valve 60 with mouth A is executed, the pressure oil in accumulator 52
Into forward gear clutch 61, forward gear clutch 61 is combined, and vehicle is hung on forward gear；When driver's operation is located at driver's cabin
Gear selector when being allowed to hang in retreating gear, drive the control stick 60-1 of block selecting operation valve 60 mobile by flexible axle, make block selecting
The oil inlet P of operation valve 60 is communicated with mouth B is executed, and the pressure oil in accumulator 52 enters retreating gear clutch 62, retreating gear from
Clutch 62 combines, and vehicle is hung in retreating gear.When the gear selector that driver operates driver's cabin is allowed to hang in neutral gear, choosing
The oil inlet P and execution mouth A and execution mouth B for keeping off operation valve 60 are not communicated with, forward gear clutch 61 and retreating gear clutch 62
In discrete state, vehicle is hung in neutral gear.It cannot link between above-mentioned brake apparatus and stopping device, that is, before can not achieve extension
It can be chosen whether to need to brake by driver when into gear or retreating gear, can be braked automatically when hanging neutral gear.Work as row in this way
Very in short-term, driver's operation is very inconvenient for the distance sailed.
Summary of the invention
It can be chosen whether to need to make by driver when it is an object of the invention to propose a kind of extension forward gear or retreating gear
It is dynamic, the gear and brake linkage of the vehicle that can be braked automatically when hanging neutral gear.
In order to achieve the above objectives, the present invention adopts the following technical scheme that: a kind of gear and brake linkage of vehicle, packet
Bridge brake, rear axle brake vi, accumulator, foot valve, block selecting operation valve, forward gear clutch, retreating gear clutch before including；Institute
The control stick that block selecting operation valve includes is stated, the control stick of block selecting operation valve is connected by flexible axle with the gear selector for being located at driver's cabin
It connects；The oil inlet P of the foot valve and the oil inlet P of block selecting operation valve are connected to the oil outlet of accumulator.
It further include pilot operated directional control valve, the first check valve and second one-way valve；First oil inlet P 1 of the pilot operated directional control valve
It is connected to accumulator, the second oil inlet P 2 of pilot operated directional control valve is connected to the execution mouth A of foot valve, the execution mouth of pilot operated directional control valve
A is connected to preceding bridge brake and rear axle brake vi；The execution mouth A of the block selecting operation valve respectively with forward gear clutch and first
The oil inlet of check valve is connected to, the execution mouth B of the block selecting operation valve oil inlet with retreating gear clutch and second one-way valve respectively
Connection；The oil outlet of first check valve and the oil outlet of second one-way valve are connected to the control mouth K of pilot operated directional control valve；When
When the control mouth K of pilot operated directional control valve is passed through pressure oil, the second oil inlet P 2 of pilot operated directional control valve is communicated with mouth A is executed.
The present invention has following good effect: 1), due to the first oil inlet P 1 of pilot operated directional control valve of the invention and accumulation of energy
Device connection, the second oil inlet P 2 of pilot operated directional control valve are connected to the execution mouth A of foot valve, and the execution mouth A of pilot operated directional control valve is with before
Bridge brake is connected to rear axle brake vi；The execution mouth A of block selecting operation valve respectively with forward gear clutch and the first check valve
Oil inlet connection, the execution mouth B of block selecting operation valve are connected to the oil inlet of retreating gear clutch and second one-way valve respectively；First
The oil outlet of check valve and the oil outlet of second one-way valve are connected to the control mouth K of pilot operated directional control valve；Thus driver makes to select
The oil inlet P for keeping off operation valve is communicated with execution mouth A or the oil inlet P of block selecting operation valve is communicated with mouth B is executed, the pressure in accumulator
Power oil enters forward gear clutch or retreating gear clutch through block selecting operation valve, and forward gear clutch or retreating gear clutch are in
Bonding state, while the pressure oil in accumulator can enter the control of pilot operated directional control valve by the first check valve or second one-way valve
Mouth K, at this moment the second oil inlet P 2 of pilot operated directional control valve is communicated with A is executed, and at this moment can be chosen whether to need to brake by driver.When
When needing to stop after vehicle arrival operating location, driver keeps the oil inlet P of block selecting operation valve and execution mouth A and execution mouth B equal
It is not communicated with, the pressure oil in accumulator can neither enter forward gear clutch, can not enter retreating gear clutch, and vehicle is hung over
In neutral gear.At this moment the pressure oil in accumulator can neither be by the control mouth K into pilot operated directional control valve of the first check valve, also not
The control mouth K into pilot operated directional control valve of second one-way valve can be passed through, the control mouth K of such pilot operated directional control valve cannot be passed through pressure
Oil, at this moment the first oil inlet P 1 of pilot operated directional control valve with execute A communicate, the pressure oil in accumulator through pilot operated directional control valve first
Oil inlet P 1 enters preceding bridge brake and rear axle brake vi, and vehicle is in on-position, that is, can be made automatically when hanging neutral gear
It is dynamic.In this way when the distance of traveling very in short-term, operation is very easy by driver.
Detailed description of the invention
Fig. 1 is the principle of the present invention figure；
Fig. 2 is the schematic diagram of the brake apparatus of the prior art；
Fig. 3 is the schematic diagram of the stopping device of the prior art.
Appended drawing reference in above-mentioned attached drawing is as follows: pilot operated directional control valve 1, the first check valve 2, second one-way valve 3, the braking of preceding bridge
Device 50, rear axle brake vi 51, accumulator 52, foot valve 53, block selecting operation valve 60, control stick 60-1, forward gear clutch 61, after
Move back gear clutch 62.
Specific embodiment
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
As shown in Figure 1, the gear and brake linkage of a kind of vehicle, including preceding bridge brake 50, rear axle brake vi 51,
Accumulator 52, foot valve 53, block selecting operation valve 60, forward gear clutch 61, retreating gear clutch 62；Preceding bridge brake 50 is with after
Bridge brake 51 is wet brake, and foot valve 53 uses the foot valve of the model 06-466-240 of MICO.The block selecting
The control stick 60-1 of the control stick 60-1 that operation valve 60 includes, block selecting operation valve 60 are selected by flexible axle with the gear for being located at driver's cabin
Select device connection；The oil inlet P of the foot valve 53 and the oil inlet P of block selecting operation valve 60 connect with the oil outlet of accumulator 52
It is logical.
It further include pilot operated directional control valve 1, the first check valve 2 and second one-way valve 3；First oil inlet of the pilot operated directional control valve 1
Mouth P1 is connected to accumulator 52, and the second oil inlet P 2 of pilot operated directional control valve 1 is connected to the execution mouth A of foot valve 53, liquid controlled reversing
The execution mouth A of valve 1 is connected to preceding bridge brake 50 and rear axle brake vi 51；The execution mouth A of the block selecting operation valve 60 respectively with
Forward gear clutch 61 is connected to the oil inlet of the first check valve 2, the execution mouth B of block selecting operation valve 60 respectively with retreating gear clutch
Device 62 is connected to the oil inlet of second one-way valve 3；The oil outlet of first check valve 2 and the oil outlet of second one-way valve 3 are equal
It is connected to the control mouth K of pilot operated directional control valve 1；When the control mouth K of pilot operated directional control valve 1 is passed through pressure oil, the of pilot operated directional control valve 1
Two oil inlet Ps 2 are communicated with mouth A is executed.When the control mouth K of pilot operated directional control valve 1 is not passed through pressure oil, pilot operated directional control valve 1
First oil inlet P 1 is communicated with mouth A is executed.
Working principle of the present invention is as follows: when driver needs to carry out short distance transportation and is open to traffic, driver behaviour
The gear selector for making to be located at driver's cabin is allowed on forward gear, at this moment the oil inlet P of block selecting operation valve 60 and execution mouth A phase
Logical, the pressure oil in accumulator 52 enters forward gear clutch 61 through block selecting operation valve 60, and forward gear clutch 61, which is in, to be combined
State, in conjunction with advance shaft, vehicle can advance line shaft.The pressure oil in accumulator 52 can pass through the first check valve 2 simultaneously
The control mouth K into pilot operated directional control valve 1, at this moment the second oil inlet P 2 of pilot operated directional control valve 1 is communicated with A is executed, at this moment can be by
Driver chooses whether to need to brake, and when driver needs to brake, need to only step on the brake pedal 53-1 of foot valve 53, make foot
Step on the oil inlet P of valve 53 and communicated with mouth A is executed, the pressure oil in accumulator 52 through foot valve 53 again through pilot operated directional control valve 1 the
Two oil inlet Ps 2 enter preceding bridge brake 50 and rear axle brake vi 51, and vehicle is in on-position；When driver does not need to brake
When, the brake pedal 53-1 of foot valve 53 need to be only unclamped, is not communicated with the oil inlet P of foot valve 53 with mouth A is executed, accumulator 52
In pressure oil cannot enter preceding bridge brake 50 and rear axle brake vi 51, vehicle would not be in on-position.
When the gear selector that driver's operation is located at driver's cabin is allowed in retreating gear, the oil inlet of block selecting operation valve 60
Mouthful P is communicated with mouth B is executed, the pressure oil in accumulator 52 through the entrance retreating gear clutch 62 of block selecting operation valve 60, retreating gear from
Clutch 62 is in bonding state, and in conjunction with retrogressing axis, vehicle can retreat line shaft.The pressure oil in accumulator 52 can lead to simultaneously
The control mouth K into pilot operated directional control valve 1 of second one-way valve 3 is crossed, at this moment the second oil inlet P 2 of pilot operated directional control valve 1 and execution A
It communicates, at this moment can be chosen whether to need to brake by driver, when driver needs to brake, need to only step on the braking of foot valve 53
Pedal 53-1 communicates the oil inlet P of foot valve 53 with mouth A is executed, and the pressure oil in accumulator 52 is through foot valve 53 again through liquid
The second oil inlet P 2 for controlling reversal valve 1 enters preceding bridge brake 50 and rear axle brake vi 51, and vehicle is in on-position；Work as driving
When member does not need braking, the brake pedal 53-1 of foot valve 53 need to be only unclamped, make the oil inlet P of foot valve 53 and executes mouth A not
It communicates, the pressure oil in accumulator 52 cannot enter preceding bridge brake 50 and rear axle brake vi 51, and vehicle would not be in system
Dynamic state.
When needing to stop after vehicle reaches operating location, driver can hang neutral gear, i.e. driver's operation is located at driver's cabin
Gear selector be allowed in neutral gear, at this moment the oil inlet P of block selecting operation valve 60 with execute mouth A and execution mouth B be not communicated with,
Pressure oil in accumulator 52 can neither enter forward gear clutch 61, can not enter retreating gear clutch 62, vehicle is hung over
In neutral gear.At this moment the pressure oil in accumulator 52 can neither by the control mouth K into pilot operated directional control valve 1 of the first check valve 2,
Can not be by the control mouth K into pilot operated directional control valve 1 of second one-way valve 3, the control mouth K of such pilot operated directional control valve 1 cannot
It is passed through pressure oil, at this moment the first oil inlet P 1 of pilot operated directional control valve 1 is communicated with A is executed, and the pressure oil in accumulator 52 is through hydraulic control
First oil inlet P 1 of reversal valve 1 enters preceding bridge brake 50 and rear axle brake vi 51, and vehicle is in on-position, i.e. extension neutral gear
When can be braked automatically.In this way when the distance of traveling very in short-term, operation is very easy by driver.
Claims (1)
1. the gear and brake linkage of a kind of vehicle, including preceding bridge brake (50), rear axle brake vi (51), accumulator
(52), foot valve (53), block selecting operation valve (60), forward gear clutch (61), retreating gear clutch (62)；The block selecting operation
The control stick (60-1) of the control stick (60-1) that valve (60) includes, block selecting operation valve (60) passes through flexible axle and the gear for being located at driver's cabin
Digit selector connection；The oil inlet P of the oil inlet P of the foot valve (53) and block selecting operation valve (60) with accumulator (52)
Oil outlet connection；It is characterized by:
It further include pilot operated directional control valve (1), the first check valve (2) and second one-way valve (3)；The first of the pilot operated directional control valve (1)
Oil inlet P 1 is connected to accumulator (52), and the second oil inlet P 2 of pilot operated directional control valve (1) and the execution mouth A of foot valve (53) connect
Logical, the execution mouth A of pilot operated directional control valve (1) is connected to preceding bridge brake (50) and rear axle brake vi (51)；The block selecting operation valve
(60) execution mouth A is connected to the oil inlet of forward gear clutch (61) and the first check valve (2) respectively, block selecting operation valve (60)
Execution mouth B be connected to respectively with the oil inlet of retreating gear clutch (62) and second one-way valve (3)；First check valve (2)
Oil outlet and the oil outlet of second one-way valve (3) be connected to the control mouth K of pilot operated directional control valve (1)；When pilot operated directional control valve (1)
Control mouth K when being passed through pressure oil, the second oil inlet P 2 of pilot operated directional control valve (1) is communicated with mouth A is executed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304618.1A CN109484381A (en) | 2018-11-04 | 2018-11-04 | The gear and brake linkage of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304618.1A CN109484381A (en) | 2018-11-04 | 2018-11-04 | The gear and brake linkage of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109484381A true CN109484381A (en) | 2019-03-19 |
Family
ID=65693745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811304618.1A Pending CN109484381A (en) | 2018-11-04 | 2018-11-04 | The gear and brake linkage of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109484381A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242634A (en) * | 2019-06-16 | 2019-09-17 | 刘剑 | The truck-mounted drilling rig device of vehicle |
| CN112145674A (en) * | 2019-06-27 | 2020-12-29 | 常州爱上学教育科技有限公司 | Vehicle-mounted drilling machine device of electric automobile and drilling method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002067927A (en) * | 2000-08-30 | 2002-03-08 | Hitachi Constr Mach Co Ltd | Braking mechanism for mobile construction machine |
| CN105501200A (en) * | 2015-12-30 | 2016-04-20 | 朱明德 | Vehicle gear selection and parking brake joint control system |
| CN106004840A (en) * | 2016-07-29 | 2016-10-12 | 王付民 | Vehicle stopping brake control system |
| CN108177640A (en) * | 2018-01-30 | 2018-06-19 | 袁菊花 | The stop device of vehicle |
| CN108583553A (en) * | 2018-05-06 | 2018-09-28 | 袁菊花 | The brake apparatus of vehicle |
-
2018
- 2018-11-04 CN CN201811304618.1A patent/CN109484381A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002067927A (en) * | 2000-08-30 | 2002-03-08 | Hitachi Constr Mach Co Ltd | Braking mechanism for mobile construction machine |
| CN105501200A (en) * | 2015-12-30 | 2016-04-20 | 朱明德 | Vehicle gear selection and parking brake joint control system |
| CN107914688A (en) * | 2015-12-30 | 2018-04-17 | 朱明德 | A kind of vehicle gear selecting, stopping brake combination control method |
| CN106004840A (en) * | 2016-07-29 | 2016-10-12 | 王付民 | Vehicle stopping brake control system |
| CN108177640A (en) * | 2018-01-30 | 2018-06-19 | 袁菊花 | The stop device of vehicle |
| CN108583553A (en) * | 2018-05-06 | 2018-09-28 | 袁菊花 | The brake apparatus of vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242634A (en) * | 2019-06-16 | 2019-09-17 | 刘剑 | The truck-mounted drilling rig device of vehicle |
| CN112145674A (en) * | 2019-06-27 | 2020-12-29 | 常州爱上学教育科技有限公司 | Vehicle-mounted drilling machine device of electric automobile and drilling method thereof |
| CN112145675A (en) * | 2019-06-27 | 2020-12-29 | 常州爱上学教育科技有限公司 | Vehicle-mounted drilling machine device of electric automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105501200B (en) | A kind of vehicle gear selecting, stopping brake combined control system | |
| CN107143541B (en) | The block selecting automatic traveling crane system of vehicle | |
| CN104039682A (en) | Method for obtaining a full range of lift speeds using a single input | |
| CN106121831B (en) | A kind of throttle of vehicle, gear, exhaust brake combined control system | |
| CN211765477U (en) | Full hydraulic brake system of loader | |
| CN109484381A (en) | The gear and brake linkage of vehicle | |
| CN206012579U (en) | Engineering truck and its parking braking hydraulic system | |
| CN109466527B (en) | Intelligent control system based on electro-hydraulic control | |
| CN108909699A (en) | The gear of vehicle and the linkage control device of stopping brake | |
| CN109649163B (en) | Vehicle traveling system, control method thereof and sanitation vehicle | |
| CN106194442A (en) | The throttle of a kind of vehicle, gear, exhaust brake combination control method | |
| CN108909695B (en) | Parking brake device for vehicle | |
| CN207191065U (en) | A kind of mine car full power hydraulic brake system | |
| CN216642906U (en) | Hydraulic braking system of electric wheeled vehicle | |
| CN213265638U (en) | Walking hydraulic control system and scissor-fork type aerial work platform | |
| CN107323480A (en) | A kind of mine car full power hydraulic brake system | |
| CN109969153B (en) | Hydraulic power-assisted braking system of forklift | |
| CN204161339U (en) | The hydraulic braking system of a kind of pair of brake activation valve | |
| CN210416723U (en) | Steering and braking system and road roller | |
| CN110541856B (en) | Unmanned automatic control's fork truck braking hydraulic system | |
| CN203157724U (en) | Clutch steering control system for hybrid power automobile | |
| CN108622055A (en) | The brake control of vehicle | |
| CN110979276A (en) | Parking brake mechanism and gear mechanism linkage device of vehicle | |
| CN218055145U (en) | Hydraulic braking system for electrically-driven emergency rescue vehicle | |
| CN107435695B (en) | A kind of vehicle and its buffer-type clutch system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190319 |