CN206841414U - A kind of brake hard protection device - Google Patents
A kind of brake hard protection device Download PDFInfo
- Publication number
- CN206841414U CN206841414U CN201720711908.2U CN201720711908U CN206841414U CN 206841414 U CN206841414 U CN 206841414U CN 201720711908 U CN201720711908 U CN 201720711908U CN 206841414 U CN206841414 U CN 206841414U
- Authority
- CN
- China
- Prior art keywords
- bit triplet
- valve
- control valve
- car door
- mouths
- 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
Abstract
This practicality belongs to colliery special vehicle equipment technical field, specifically a kind of brake hard protection device.The operating personnel for solving mine anti-explosion diesel engine railless free-wheeled vehicle forget pull-up damper brake, potential safety hazard be present in vehicle, car slipping accident may occur, including steel plate, backplate, car door, hinge, valve seat, guide pad and night bolt, car door can be fixed with two-bit triplet stroke control valve in the frame of open side, the backplate for protection is fixed with the pipeline of two-bit triplet stroke control valve, steel plate is welded on car door and can opened on side frame, hinge connection car door and frame, the valve seat for fixing two-bit triplet stroke control valve is welded with frame, valve seat side is provided with night bolt and guide pad, the displacement that guide pad is welded in frame to night bolt is oriented to, night bolt, which is arranged on car door by guide pad slide, pins car door.While the reliability of brake hard is ensured, vehicle implements brake hard automatically, avoids accidental collision and injures for this practicality.
Description
Technical field
The utility model belongs to colliery special vehicle equipment technical field, specifically a kind of brake hard protection device.
Background technology
Mine anti-explosion diesel engine railless free-wheeled vehicle is mainly used in the transport of large coal mine personnel in the pit and material, due to operation
There is potential explosive gas and dust in environment, mining diesel engine protection monitor is provided with vehicle, explosive in environment
Gas and dust concentration rise to setting value, and other protection indexs beyond setting value or anti-explosion diesel engine predetermined portion temperature
When reaching the setting value of monitor, mining diesel engine protection monitor control anti-explosion diesel engine stops working, by manually implementing to vehicle
Braking, after vehicle stops, pull-up parking braking lock, vehicle keeps on-position, if operating personnel forget pull-up damper brake, car
Potential safety hazard be present, it may occur however that car slipping accident.In addition, underground coal mine bad environments, slope is steep, curved more, and road is slided, before starting,
If car door is not turned off, there is also very big potential safety hazard after vehicle operation.
In view of the above-mentioned problems, way general at present is, monitor is protected to control vehicle simultaneously using mining diesel engine
Brake hard, while monitor protection index is flame-out beyond set value calculation mining diesel engine, monitor is simultaneously to vehicle
Implement brake hard, stroke control valve or travel switch are installed at car door in addition, in car door opening, vehicle is also implemented automatically
Brake hard.The vehicle of this emergency braking apparatus is installed, when vehicle high-speed is run, if protection index exceeding standard or car door
Open suddenly, vehicle implements brake hard immediately, and driver and passenger body lean forward suddenly, and comfortableness is very poor, anxious easily hair
Raw body collision, causes personal injury, if the process of brake hard slowed down, car door is opened suddenly in vehicle operation, again
In the presence of very big potential safety hazard.
The content of the invention
The utility model forgets pull-up damper brake, car to solve the operating personnel of mine anti-explosion diesel engine railless free-wheeled vehicle
Potential safety hazard be present, it may occur however that a kind of car slipping accident, there is provided brake hard protection device.
The utility model takes following technical scheme：A kind of brake hard protection device, including steel plate, backplate, car door, hinge
Chain, valve seat, guide pad and night bolt, car door can be fixed with two-bit triplet stroke control valve in the frame of open side, two three
The backplate for protection is fixed with the pipeline of logical stroke control valve, steel plate is welded on car door and can opened on side frame, and hinge connects
Door and frame are picked up, the valve seat for fixing two-bit triplet stroke control valve is welded with frame, valve seat side is provided with spring
Latch and guide pad, the displacement that guide pad is welded in frame to night bolt are oriented to, and night bolt is arranged on car door
By guide pad slide and pin car door.
It is a kind of control brake hard protection device control system, including accident brake, two-bit triplet solenoid directional control valve,
Two-bit triplet pneumatic control hydraulic reversing valve, gas bag, two-bit triplet stroke control valve, counterbalance valve and mining diesel engine protection monitor,
The P mouths of two-bit triplet solenoid directional control valve are connected with hydraulic oil container, the T mouths of two-bit triplet solenoid directional control valve and the entrance of counterbalance valve
Connection, the outlet of counterbalance valve are directly connected with hydraulic oil container, A mouths and the two-bit triplet gas control liquid of two-bit triplet solenoid directional control valve
The P mouths of pressure reversal valve are connected, and the T mouths of two-bit triplet pneumatic control hydraulic reversing valve are directly connected with hydraulic oil container, two-bit triplet
The A mouths of pneumatic control hydraulic reversing valve are connected with accident brake；The control circuit and diesel mine of two-bit triplet solenoid directional control valve
Machine protection monitor is connected；The control mouth of two-bit triplet pneumatic control hydraulic reversing valve and the A mouth phases of two-bit triplet stroke control valve
Connection, the P mouths of two-bit triplet stroke control valve are connected with gas bag, and the R mouths of two-bit triplet stroke control valve are connected with air.
Compared with prior art, the utility model is using the explosion-proof of the brake hard protection device of brake efficiency grading control
Diesel engine railless free-wheeled vehicle, while the reliability of brake hard is ensured, reduce other because protecting index exceeding standard, diesel mine
Machine auto extinguishing, what vehicle implemented human pilot caused by brake hard and passenger automatically does not accommodate issuable meaning
Outer collision and injury.
Brief description of the drawings
Fig. 1 is the control system schematic diagram that the utility model controls brake hard protection device；
Fig. 2 is the utility model structure diagram；
Fig. 3 is Fig. 2 parts A enlarged drawing；
1- two-bit triplets solenoid directional control valve in figure, 2- two-bit triplet pneumatic control hydraulic reversing valves, 3- gas bags, 4- two-bit triplet rows
Process control valve, 5- counterbalance valves, 6- accident brakes, 7- mining diesel engines protection monitor, 8- steel plates, 9- backplates, 10- car doors,
11- hinges, 12- valve seats, 13- guide pads, 14- night bolts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1, 2, brake hard protection device, including steel plate 8, backplate 9, car door 10, hinge 11, valve seat 12, lead
To block 13 and night bolt 14, car door 10 can be fixed with two-bit triplet stroke control valve 4 in the frame of open side, and backplate 9 is used for
Protection and the pipeline of fixed two-bit triplet stroke control valve 4, steel plate 8, which is welded on car door 10, can open side frame upper limit car door position
Move, hinge 11 connects car door 10 with frame and as the pivoting support of car door, and valve seat 12, which is welded in frame, to be used for fixing two
Position threeway stroke control valve 4, the displacement that guide pad 13 is welded in frame to night bolt 14 is oriented to, and night bolt 14 is pacified
By guide pad 13 slide on car door and pin car door automatic opening when preventing car door is only walked while control two-bit triplet
The stroke of stroke control valve 4.As shown in figure 3,
As shown in figure 3, the control system of control brake hard protection device, including accident brake 6, two-bit triplet electromagnetism
Reversal valve 1, two-bit triplet pneumatic control hydraulic reversing valve 2, gas bag 3, two-bit triplet stroke control valve 4, counterbalance valve 5 and mining diesel engine
Monitor 7 is protected, the P mouths of two-bit triplet solenoid directional control valve 1 are connected with hydraulic oil container, the T mouths of two-bit triplet solenoid directional control valve 1
It is connected with the entrance of counterbalance valve 5, the outlet of counterbalance valve 5 is directly connected with hydraulic oil container, the A of two-bit triplet solenoid directional control valve 1
Mouthful it is connected with the P mouths of two-bit triplet pneumatic control hydraulic reversing valve 2, the T mouths of two-bit triplet pneumatic control hydraulic reversing valve 2 are directly and hydraulic pressure
Fuel tank is connected, and the A mouths of two-bit triplet pneumatic control hydraulic reversing valve 2 are connected with accident brake 6；Two-bit triplet solenoid directional control valve
1 control circuit is connected with mining diesel engine protection monitor 7；The control mouth of two-bit triplet pneumatic control hydraulic reversing valve 2 and two
The A mouths of position threeway stroke control valve 4 are connected, and the P mouths of two-bit triplet stroke control valve 4 are connected with gas bag 3, two-bit triplet row
The R mouths of process control valve 4 are connected with air.
When explosion-proof trackless rubber-tyre vehicle works, closing of the door, stir night bolt 14 and pin car door night bolt group simultaneously
The dynamic roller lever compression travel spring of two-bit triplet stroke control valve 4, two-bit triplet stroke control valve 4 be operated in it is upper, it is mining
It is exceeded that diesel engine protection monitor 7 respectively protects index not have, and two-bit triplet solenoid directional control valve 1 is operated in upper, two-bit triplet electricity
The P mouths of magnetic reversal valve 1 connect with A mouths, and the hydraulic oil of hydraulic oil source can reach two three by two-bit triplet solenoid directional control valve 1
Ventilate the P mouths of control hydraulic directional control valve 2, two-bit triplet stroke control valve 4 by car door compression work when upper, the pressure in gas bag 3
Contracting air enters the control chamber of two-bit triplet pneumatic control hydraulic reversing valve 2, two-bit triplet gas control by two-bit triplet stroke control valve 4
Hydraulicdirectional control valve 2 is operated in upper, and the hydraulic oil of hydraulic oil source enters accident brake 6, the braking action solution of accident brake 6
Remove, vehicle can normally walk.
Before vehicle start, as car door is not turned off sternly, the stroke spring of two-bit triplet stroke control valve 4 resets, two-bit triplet
The commutation work of stroke control valve 4 leads to air, two-bit triplet gas control in bottom, the control chamber of two-bit triplet pneumatic control hydraulic reversing valve 2
Hydraulicdirectional control valve 2 is also operated in bottom in the presence of back-moving spring, and the hydraulic oil in accident brake 6 passes through two-bit triplet gas
Control hydraulic directional control valve 2 discharges, and brake implements braking action, and vehicle can not walk.Only closing of the door it is tight after, two-bit triplet row
Process control valve 4 and two-bit triplet pneumatic control hydraulic reversing valve 2 are operated in upper, and the braking action of accident brake 6 could release,
Vehicle could normal operation.
When car door is thrown open in vehicle operation, the stroke spring of two-bit triplet stroke control valve 4 resets, two-bit triplet row
For the commutation work of process control valve 4 in bottom, two-bit triplet pneumatic control hydraulic reversing valve 2 is also operated in bottom, the height in accident brake 6
Force feed is released, and to the automatic implementation brake hard of vehicle, avoids that contingency occurs.
When protecting index exceeding standard in mining diesel engine protection monitor 7 in vehicle operation, two-bit triplet solenoid directional control valve 1
Dead electricity, bottom is operated under action of reset spring, the hydraulic oil of accident brake 6 is connected by counterbalance valve 5 with fuel tank, now
The high pressure oil pressure of accident brake 6 is restricted by the setting pressure of counterbalance valve 5, therefore by setting the pressure of counterbalance valve 5, you can
Controlling the hydraulic oil of accident brake 6, now the residual compression after draining, this residual compression can offset a part of accident brake 6
Brake force, accident brake 6 export brake force will diminish, brake efficiency weaken, extend braking distance, vehicle braking procedure
It is elongated, avoid vehicle emergency brake from not accommodating injury to caused by personnel.
The utility model is not limited to above-mentioned embodiment, in the model without departing from the utility model basic fundamental thought
In farmland, the operator of relevant industries can carry out technology deformation to it, and above-mentioned deformation should belong to claim of the present utility model
Scope.
Claims (2)
- A kind of 1. brake hard protection device, it is characterised in that：Including steel plate（8）, backplate（9）, car door（10）, hinge（11）、 Valve seat（12）, guide pad（13）And night bolt（14）, car door（10）Two-bit triplet stroke can be fixed with the frame of open side Control valve（4）, two-bit triplet stroke control valve（4）Pipeline on be fixed with backplate for protection（9）, steel plate（8）It is welded on Car door（10）It can open on side frame, hinge（11）Connect car door（10）With frame, it is welded with for fixing two three in frame Logical stroke control valve（4）Valve seat（12）, valve seat（12）Side is provided with night bolt（14）And guide pad（13）, guide pad （13）It is welded in frame to night bolt（14）Displacement be oriented to, night bolt（14）Installed in car door（10）On pass through Guide pad（13）Slide and pin car door.
- A kind of 2. control system for controlling brake hard protection device as claimed in claim 1, it is characterised in that：Including urgent Brake（6）, two-bit triplet solenoid directional control valve（1）, two-bit triplet pneumatic control hydraulic reversing valve（2）, gas bag（3）, two-bit triplet row Process control valve（4）, counterbalance valve（5）Monitor is protected with mining diesel engine（7）, two-bit triplet solenoid directional control valve（1）P mouths and liquid Force feed case is connected, two-bit triplet solenoid directional control valve（1）T mouths and counterbalance valve（5）Entrance connection, counterbalance valve（5）Outlet Directly it is connected with hydraulic oil container, two-bit triplet solenoid directional control valve（1）A mouths and two-bit triplet pneumatic control hydraulic reversing valve（2）P Mouth is connected, two-bit triplet pneumatic control hydraulic reversing valve（2）T mouths be directly connected with hydraulic oil container, two-bit triplet Pneumatic and hydraulic Reversal valve（2）A mouths and accident brake（6）It is connected；Two-bit triplet solenoid directional control valve（1）Control circuit and diesel mine Machine protects monitor（7）It is connected；Two-bit triplet pneumatic control hydraulic reversing valve（2）Control mouth and two-bit triplet stroke control valve （4）A mouths be connected, two-bit triplet stroke control valve（4）P mouths and gas bag（3）It is connected, two-bit triplet stroke control valve （4）R mouths be connected with air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711908.2U CN206841414U (en) | 2017-06-19 | 2017-06-19 | A kind of brake hard protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711908.2U CN206841414U (en) | 2017-06-19 | 2017-06-19 | A kind of brake hard protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206841414U true CN206841414U (en) | 2018-01-05 |
Family
ID=60799258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711908.2U Active CN206841414U (en) | 2017-06-19 | 2017-06-19 | A kind of brake hard protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206841414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323445A (en) * | 2017-06-19 | 2017-11-07 | 中国煤炭科工集团太原研究院有限公司 | A kind of brake hard protection device |
-
2017
- 2017-06-19 CN CN201720711908.2U patent/CN206841414U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323445A (en) * | 2017-06-19 | 2017-11-07 | 中国煤炭科工集团太原研究院有限公司 | A kind of brake hard protection device |
| CN107323445B (en) * | 2017-06-19 | 2023-09-12 | 中国煤炭科工集团太原研究院有限公司 | Emergency braking protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102358281B (en) | Parking braking protection system | |
| CN106828511A (en) | Rack rails clamp rail tour bus | |
| CN206841414U (en) | A kind of brake hard protection device | |
| CN107323445A (en) | A kind of brake hard protection device | |
| CN109610966A (en) | Mine anti-explosion people's vehicle gas-liquid controls the safety linkage device of passenger compartment door opening and closing | |
| CN202138370U (en) | Parking braking protection system | |
| CN202624020U (en) | Anti-overturn safety protection device for dump truck | |
| CN103541610B (en) | School bus protection of the child door gear | |
| CN214775606U (en) | Door opening and locking device of new energy rubber-tyred vehicle | |
| CN204024835U (en) | Rubber-tired cart car door latch-up protection device | |
| CN202368414U (en) | Automatic avoiding and escaping seat during collision of cab | |
| CN104251141A (en) | Downhole air door opening device and pneumatic control interlocking system thereof | |
| CN105109505A (en) | Fireproof method for railway carriage | |
| CN201376547Y (en) | Emergency safety protection device in automobile cab | |
| CN107444241A (en) | Harmful influence special-purpose vehicle traveling interlocking device | |
| CN209176779U (en) | Small-sized quarry tipper | |
| CN219361027U (en) | Personnel safety braking system of explosion-proof rubber-tyred vehicle | |
| CN106427948A (en) | Automatic wheel cushioning device preventing forward and backward sliding of parked motor vehicle | |
| CN201494287U (en) | Safety escape door of passenger car | |
| CN202244100U (en) | Pneumatic self-locking mechanism for hydrant coupler of airplane refueller | |
| CN206856699U (en) | A kind of evacuation platform for hanging empty iron and leading directly to car door | |
| CN204864623U (en) | Valve opening way fire resistive construction is alleviated to passenger train | |
| CN206383966U (en) | Anticollision obstacle deflector under a kind of low-floor rail traffic vehicles car | |
| CN201380768Y (en) | Self-discharging car rear-door automatic locking device | |
| CN110979292A (en) | Driving safety device of underground trackless auxiliary transport vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |