CN107792045A - A kind of mine engineering car acting trailer system - Google Patents
A kind of mine engineering car acting trailer system Download PDFInfo
- Publication number
- CN107792045A CN107792045A CN201711215601.4A CN201711215601A CN107792045A CN 107792045 A CN107792045 A CN 107792045A CN 201711215601 A CN201711215601 A CN 201711215601A CN 107792045 A CN107792045 A CN 107792045A
- Authority
- CN
- China
- Prior art keywords
- trailer
- mine engineering
- engineering car
- travel switch
- hydraulic pump
- 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.)
- Granted
Links
- 230000005611 electricity Effects 0.000 claims description 8
- 239000003921 oil Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses a kind of mine engineering car acting trailer system, the system includes electric hydraulic pump, for making the brake release braking to the brake input hydraulic pressure oil；Storage battery, for providing power supply to the electric hydraulic pump；Travel switch, it is sequentially connected with the storage battery and electric hydraulic pump and forms circuit, when the travel switch turns on, the electric hydraulic pump can be started；Trailer mechanism, the trailer mechanism can turn on the travel switch when being pulled by trailer rope.Using the mine engineering car acting trailer system of the present invention, fault car is quickly dragged to home when mine engineering car is broken down, saves manpower, ensure that the safety of operating personnel.
Description
Technical field
The present invention relates to mine engineering car technical field, more particularly to a kind of mine engineering car acting trailer system.
Background technology
Certain danger be present because working environment is severe in mine engineering car, as a kind of special operation vehicle, when
When the vehicle generation system failure can not move, it is impossible to which the on-site maintenance as common engineering truck is, it is necessary to which vehicle transport is arrived
Home repairs.Yet with the limitation of space and environment, the vehicles such as crane or fork truck can not be used by fault car
Other position is transported, most at present is that fault car is dragged into home using tractor, requires drag here
Car system.
Because underground mines environment is different from general open-air atmosphere again, it is understood that there may be the danger such as falling rocks, in order to ensure to pacify
Entirely, secondary injury is prevented, operating personnel can not get on the bus operation, can only be hung at a certain distance from away from fault car with trailer rope
Onto the hook of vehicle tail, fault car is dragged away from accident spot with other tractor.But due to existing mine vehicle
Brake use spring braking more, the mode of hydraulic pressure release, when vehicle breaks down, brake is located under the action of the spring
In the state of braking, have no idea to drag fault car at all, in order to facilitate trailer, it is necessary to braking (un-brake) is first released,
It is exactly the brake of freeing vehicle, this has to release braking to brake input hydraulic pressure oil.But if continue to brake
Input hydraulic pressure oil come make brake keep release on-position, can also have problem, because during trailer, road surface bumps are not
It is flat, while also have ramp, if tractor stops on ramp, when particularly having descending, if tractor stops,
Fault car is needed to stop, if fault car is constantly in the state of un-brake, it is possible to due to the effect in inertia and ramp
Make disabled vehicle descending car slipping, be so possible to cause danger or even knock tractor.
Therefore acting trailer system be also required to when tractor stops, particularly descending when, disabled vehicle can also stop
Get off, mine engineering vehicle is ensured security in engineering sending to repair, carry out un-brake according to road conditions and braking brake operates.
The content of the invention
To solve the above problems, the present invention provides a kind of mine engineering car acting trailer system, when the vehicle needs that break down drag
Che Shi, fault car can be braked as needed and released, fault car is quickly dragged to home.
To achieve the above object, mine engineering car acting trailer system of the invention, the mine engineering car have spring braking
Hydraulic release type brake, the acting trailer system include：Electric hydraulic pump, it is described for making to the brake input hydraulic pressure oil
Brake releases braking；Storage battery, for providing power supply to the electric hydraulic pump；Travel switch, with the storage battery and electronic liquid
Press pump is sequentially connected and forms circuit, when the travel switch turns on, can start the electric hydraulic pump；Trailer mechanism, institute
Trailer mechanism is stated when being pulled by trailer rope, can turn on the travel switch.
Preferably, the trailer mechanism includes hook, L-shaped rotating turret, lifting top rod and connecting rod, and the hook is fixedly mounted
On the vehicle frame of mine engineering car, the hook is provided with the groove for being used for mounting trailer rope；The L-shaped rotating turret has perpendicular
Straight portion and horizontal part, middle part and the vehicle frame of the L-shaped rotating turret are hinged, and the upper end of the vertical portion is placed in the groove
In, when pulling the trailer rope, the trailer rope can drive the L-shaped rotating turret to rotate；Under the lifting top rod
The end with the horizontal part is held to be hinged, its upper end and one end of the connecting rod are hinged, the middle part of the connecting rod and the vehicle frame
Be hinged, the other end of the connecting rod is placed in the top of the travel switch, when its end moves down, can contact the stroke
Switch turns on the travel switch.
Preferably, the trailer mechanism also includes guide plate, and the lifting top rod simultaneously can relative institute through the guide plate
State guide plate to move up and down, the guide plate is fixedly connected with the vehicle frame.
Preferably, the lower end of the lifting top rod is provided with boss, and spring is set with the lifting top rod, and the spring is put
Between the guide plate and boss.
Preferably, the lifting top rod is provided with adjusting nut, and the adjusting nut is located above the guide plate, described
Adjusting nut is threadedly coupled with the lifting top rod.
Preferably, the hydraulic pump of the electric hydraulic pump uses variable pump.
Preferably, the acting trailer system also includes magnetic valve, and the magnetic valve is arranged on the oil return circuit of the brake
On, the magnetic valve is configured to：When obtaining electric, oil return circuit is cut off；During dead electricity, oil return circuit is connected.
Using the mine engineering car acting trailer system of the present invention, quickly by disabled vehicle when enabling the mine engineering car break down
Home is dragged to, the pressure of lasting releasing braking is provided when trailer is walked to brake, can also protected during trailer descending
Vehicle un-brake or braking according to demand is demonstrate,proved, operating personnel need not get on the bus operation, save manpower, ensure that operating personnel's
Safety.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of the trailer mechanism of the mine engineering car acting trailer system of the present invention；
Fig. 2 is that Fig. 1 eliminates the schematic diagram after vehicle frame and hook；
Fig. 3 is the schematic diagram of the mine engineering car acting trailer system of the present invention；
Fig. 4 is the hydraulic schematic diagram of the mine engineering car acting trailer system of the present invention.
Embodiment
The embodiment of the present invention is explained with reference to the accompanying drawings.
As shown in figures 1-4, mine engineering car acting trailer system of the invention, the mine engineering car have spring braking liquid
Released brakes 7 are pressed, four synchronization actions of brake 7 are braked to four wheels of mine engineering car respectively.It is described here
Spring braking hydraulic release type refer to the brake 7 when no hydraulic oil inputs under the action of the spring in braking
State, on-position can be released to the input hydraulic pressure oil of brake 7.
The acting trailer system includes trailer mechanism 1, travel switch 2, storage battery 3 and electric hydraulic pump 4, the electric hydraulic pump
4 are used to make the brake 7 release braking to the input hydraulic pressure oil of brake 7；The storage battery 3 is used for the electric hydaulic
Pump 4 provides power supply, and the output voltage of the storage battery 3 can be 24V；The travel switch 2 and the storage battery 3 and electric hydraulic pump
4 are sequentially connected and form circuit, when the travel switch 2 turns on, can start the electric hydraulic pump 4, at this moment described electronic
Hydraulic pump 4 is oily to the input hydraulic pressure of brake 7.
The trailer mechanism 1 can turn on the travel switch when being pulled by trailer rope.Referring to Fig. 1~3, institute
Stating trailer mechanism 1 includes hook 10, L-shaped rotating turret 20, lifting top rod 30 and connecting rod 40.
The hook 10 is fixedly mounted on the vehicle frame 100 of mine engineering car, and the hook 10 is provided with to be dragged for mounting
The groove 11 of car rope.The hook 10 can be the hook that mine engineering tailstock portion has originally.
The L-shaped rotating turret 20 has vertical portion 21 and horizontal part 22, middle part and the vehicle frame of the L-shaped rotating turret 20
100 is be hinged, and the upper end of the vertical portion 21 is placed in the groove 11, when trailer rope is mounted in the groove 11, trailer
Rope can contact with the vertical portion 21, and when pulling the trailer rope, the trailer rope can drive the L-shaped to rotate
Frame 20 rotates.The middle part of the L-shaped rotating turret 20 is hinged with the vehicle frame 100 and can be rotatably coupled using bearing pin 23, is sold
Axle 23 passes through the L-shaped rotating turret 20, and the both ends of bearing pin 23 are connected by buttcover plate 12 with the hook 10.
The lower end of the lifting top rod 30 and the end of the horizontal part 22 are hinged, its upper end and one end of the connecting rod 40
Be hinged, the middle part of the connecting rod 40 is be hinged with the vehicle frame 100, and the other end of the connecting rod 40 is placed in the travel switch 2
Top, when its end moves down, can contact the travel switch 2 turns on the travel switch 2.Here articulated manner
It can be attached using the bearing pin mode of being rotatably connected.
The trailer mechanism 1 also includes guide plate 60, and the lifting top rod 30 simultaneously can relative institute through the guide plate 60
State guide plate 60 to move up and down, the guide plate 60 is fixedly connected with the vehicle frame 100.The guide plate 60 and the vehicle frame
100, which are fixedly connected with mode, to be fixedly connected by support 61, and support 61 is welded on vehicle frame 100.
The lower end of the lifting top rod 30 is provided with boss 31, and spring 50, the spring are set with the lifting top rod 30
50 are placed between the guide plate 60 and boss 31.The lifting top rod 30 is provided with adjusting nut 32, the adjusting nut 32
Above the guide plate 60, the adjusting nut 32 is threadedly coupled with the lifting top rod 30.Pass through rotating adjusting nut
32, it can make the spring 50 that there is precompression between the guide plate 60 and boss 31, avoid the lifting top rod 30 from existing
Play up and down during very little active force.
Fig. 4 shows the hydraulic schematic diagram of acting trailer system.Primary brake system 9, Foot braking valve 6 and brake 7 etc. in figure
The brake hydraulic system of composition is that mine engineering car is possessed in itself, is the state of the art, repeats no more here.Such as
Described in figure, when the electric hydraulic pump 4 starts, hydraulic oil is input to brake 7 after shuttle valve 5, Foot braking valve 6, made
Brake 7 releases braking.The acting trailer system also includes magnetic valve 8, and the magnetic valve 8 is arranged on the oil return of the brake 7
On oil circuit, the magnetic valve 7 is configured to：When obtaining electric, oil return circuit is cut off；During dead electricity, oil return circuit is connected.The magnetic valve 7
Electric and dead electricity controls again by travel switch 2, it is synchronous with the electric hydraulic pump 4 to obtain electric and dead electricity.Solved in brake 7
During except braking, the magnetic valve 8 cuts off oil return circuit, hydraulic oil is maintained at continuous braking in brake 7.Described electronic
During 4 dead electricity of hydraulic pump, the dead electricity of magnetic valve 7, the hydraulic oil in brake 7 is made at brake 7 by oil return circuit oil return box
In on-position.
The hydraulic pump of the electric hydraulic pump 4 uses variable pump, and after system pressure reaches the pressure for releasing braking, become
Amount pump becomes small displacement output, and now variable pump is in high-pressure small-displacement status maintaining system pressure, saves as far as possible.
The mine engineering car acting trailer system of the present invention, when mine engineering car needs to be dragged with tractor, by trailer rope
It is articulated in the groove 11 of the hook 10, because the upper end of the vertical portion 21 of L-shaped rotating turret 20 is placed in the groove 11, because
This tractor rotates in an anti-clockwise direction in pulling trailer rope first to drive the L-shaped rotating turret 20 such as Fig. 1~3, and the L-shaped turns
Moving frame 20 drives the lifting top rod 30 to move up again, and the lifting top rod 30 drives the connecting rod 40 to rotate clockwise again,
When the end (right-hand member in Fig. 3) of the connecting rod 40 moves down, and contacting the travel switch 2 turns on the travel switch 2.
The conducting of travel switch 2 makes circuit turn-on, and the electric hydraulic pump 4 starts, and makes to the input hydraulic pressure oil of brake 7 described
Brake 7 releases braking, thus can conveniently drag mine engineering car.And at tractor and trailed mine engineering car
After the state and tractor of descending stop, in the presence of spring 30, the lifting top rod 30 moves down, and makes the connecting rod
40 rotate counterclockwise, and the end of the connecting rod 40 does not contact the travel switch 2, and the travel switch 2, which disconnects, disconnects circuit,
The electric hydraulic pump 4 does not work, and the hydraulic oil of brake 7 returns to fuel tank by oil return circuit, mine engineering car is in system
Dynamic state.
As described above, the exemplary embodiments of the present invention are described in detail referring to the drawings.Should
Solution, the present invention, which is not intended to, makes these details form limiting the scope of the invention.Without departing substantially from according to this hair
In the case of bright spirit and scope, equivalent or similar change can be carried out to the structure and features of exemplary embodiments
Become, these changes will also fall determined by claims appended hereto in protection domain.
Claims (7)
1. a kind of mine engineering car acting trailer system, the mine engineering car has spring braking hydraulic release type brake, and it is special
Sign is that the acting trailer system includes：
Electric hydraulic pump, for making the brake release braking to the brake input hydraulic pressure oil；
Storage battery, for providing power supply to the electric hydraulic pump；
Travel switch, it is sequentially connected with the storage battery and electric hydraulic pump and forms circuit, can when the travel switch turns on
Start the electric hydraulic pump；
Trailer mechanism, the trailer mechanism can turn on the travel switch when being pulled by trailer rope.
2. mine engineering car acting trailer system as claimed in claim 1, it is characterised in that the trailer mechanism includes hook, L-shaped
Rotating turret, lifting top rod and connecting rod,
The hook is fixedly mounted on the vehicle frame of mine engineering car, and the hook is provided with the ditch for being used for mounting trailer rope
Groove；
The L-shaped rotating turret has vertical portion and horizontal part, and middle part and the vehicle frame of the L-shaped rotating turret are hinged, described perpendicular
The upper end in straight portion is placed in the groove, and when pulling the trailer rope, the trailer rope can drive the L-shaped rotating turret
Rotate；
The lower end of the lifting top rod and the end of the horizontal part are hinged, and its upper end and one end of the connecting rod are hinged, described
The middle part of connecting rod is hinged with the vehicle frame, and the other end of the connecting rod is placed in the top of the travel switch, and its end is to moving down
When dynamic, can contact the travel switch turns on the travel switch.
3. mine engineering car acting trailer system as claimed in claim 2, it is characterised in that the trailer mechanism also includes being oriented to
Plate, the lifting top rod through the guide plate and can relatively described guide plate move up and down, the guide plate and the vehicle frame
It is fixedly connected.
4. mine engineering car acting trailer system as claimed in claim 3, it is characterised in that the lower end of the lifting top rod is provided with convex
Platform, spring is set with the lifting top rod, the spring is placed between the guide plate and boss.
5. mine engineering car acting trailer system as claimed in claim 4, it is characterised in that the lifting top rod is provided with regulation spiral shell
Mother, the adjusting nut are located above the guide plate, and the adjusting nut is threadedly coupled with the lifting top rod.
6. mine engineering car acting trailer system as claimed in claim 1 or 2, it is characterised in that the hydraulic pressure of the electric hydraulic pump
Pump uses variable pump.
7. mine engineering car acting trailer system as claimed in claim 1 or 2, it is characterised in that the acting trailer system also includes electricity
Magnet valve, the magnetic valve are arranged on the oil return circuit of the brake, and the magnetic valve is configured to：When obtaining electric, oil return is cut off
Oil circuit；During dead electricity, oil return circuit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215601.4A CN107792045B (en) | 2017-11-28 | 2017-11-28 | Mine engineering truck trailer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711215601.4A CN107792045B (en) | 2017-11-28 | 2017-11-28 | Mine engineering truck trailer system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107792045A true CN107792045A (en) | 2018-03-13 |
| CN107792045B CN107792045B (en) | 2024-04-12 |
Family
ID=61536874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711215601.4A Active CN107792045B (en) | 2017-11-28 | 2017-11-28 | Mine engineering truck trailer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107792045B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103324A (en) * | 1987-05-05 | 1988-11-16 | 乔玛·萨拉莫 | Have a kind of method and the device of the articulated vehicle self-adjusting brake of air-pressure brake |
| DE4037462A1 (en) * | 1990-11-24 | 1992-05-27 | Grau Gmbh | Test valve for vehicle and trailer braking system - rearranges connections between trailer and its control valve and air vent for independent check on vehicle |
| CN203047235U (en) * | 2013-02-07 | 2013-07-10 | 珠海亿威电动产业股份有限公司 | Four-wheel hydraulic braking system of electric platform truck |
| CN203391758U (en) * | 2013-08-13 | 2014-01-15 | 中国重汽集团济南动力有限公司 | Emergency parking and braking device |
| CN103879394A (en) * | 2014-03-28 | 2014-06-25 | 常州科研试制中心有限公司 | Stopping brake system of trailer used under coal mine shaft |
| CN106671958A (en) * | 2016-11-11 | 2017-05-17 | 江苏宏旺兴水智控科技有限公司 | Self-adjustment buffer type trailer braking system |
| CN207579855U (en) * | 2017-11-28 | 2018-07-06 | 安百拓（南京）建筑矿山设备有限公司 | A kind of mine engineering vehicle acting trailer system |
-
2017
- 2017-11-28 CN CN201711215601.4A patent/CN107792045B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103324A (en) * | 1987-05-05 | 1988-11-16 | 乔玛·萨拉莫 | Have a kind of method and the device of the articulated vehicle self-adjusting brake of air-pressure brake |
| DE4037462A1 (en) * | 1990-11-24 | 1992-05-27 | Grau Gmbh | Test valve for vehicle and trailer braking system - rearranges connections between trailer and its control valve and air vent for independent check on vehicle |
| CN203047235U (en) * | 2013-02-07 | 2013-07-10 | 珠海亿威电动产业股份有限公司 | Four-wheel hydraulic braking system of electric platform truck |
| CN203391758U (en) * | 2013-08-13 | 2014-01-15 | 中国重汽集团济南动力有限公司 | Emergency parking and braking device |
| CN103879394A (en) * | 2014-03-28 | 2014-06-25 | 常州科研试制中心有限公司 | Stopping brake system of trailer used under coal mine shaft |
| CN106671958A (en) * | 2016-11-11 | 2017-05-17 | 江苏宏旺兴水智控科技有限公司 | Self-adjustment buffer type trailer braking system |
| CN207579855U (en) * | 2017-11-28 | 2018-07-06 | 安百拓（南京）建筑矿山设备有限公司 | A kind of mine engineering vehicle acting trailer system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107792045B (en) | 2024-04-12 |
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