CN205801087U - A kind of driving drill carriage double circuit hydraulic braking system - Google Patents
A kind of driving drill carriage double circuit hydraulic braking system Download PDFInfo
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- CN205801087U CN205801087U CN201620699464.0U CN201620699464U CN205801087U CN 205801087 U CN205801087 U CN 205801087U CN 201620699464 U CN201620699464 U CN 201620699464U CN 205801087 U CN205801087 U CN 205801087U
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Abstract
This utility model relates to a kind of driving drill carriage double circuit hydraulic braking system, including main brake loop, decompression brake circuit, hydraulic pump and traveling mechanism, decompression brake circuit includes second brake and traveling/parking switching valve, another road of hydraulic pump is connected with traveling/parking switching valve, traveling/parking switching valve one tunnel is connected with second brake, and second brake is arranged on decelerator；Connected by air relief valve between main brake loop and decompression brake circuit.This utility model uses double loop braking, and main brake loop is braked in the case of completing normally to travel, and decompression brake circuit can realize drill carriage and the most reliably brake at engine misses etc., and braking is reliable.
Description
Technical field
This utility model relates to drilling equipment field, particularly relates to a kind of driving drill carriage double circuit hydraulic braking system.
Background technology
Driving drill carriage is a kind of rock drilling equipment that tunnels and underground engineering uses drill bursting construction, and it can support that rock drill enters
Row rock drilling drilling.Current all-hydraulic driving drill carriage uses power (hydraulic pressure or the pneumatic) brakes of band accumulator,
The part groups such as main dynamic assembly (hydraulic power source or source of the gas), accumulator, brake foot valve, spot-type disc brake (being positioned at vehicle bridge)
Become；Promote caliper when stepping on brake foot valve pedal, high pressure liquid force feed or gas, wheel brake sheet will be clamped, complete car load system
Dynamic.
But owing to all-hydraulic driving drill carriage car load is heavier, when vehicle traveling or climb and fall, this brakes can not be effective
Guarantee vehicle safety, rapidly, effectively stop, particularly when diesel motor flameout or pipeline leakage, brake unit is complete
, if now emergency processing is improper, there are major safety risks in full inefficacy.
Summary of the invention
In order to solve the problems referred to above, the purpose of this utility model is to provide a kind of at engine misses, pipeline leakage
Or other are in emergency circumstances, remain to be reliably completed the driving drill carriage double circuit hydraulic braking system of braking.
In order to realize above-mentioned purpose, this utility model have employed following technical scheme:
A kind of driving drill carriage double circuit hydraulic braking system, including main brake loop, decompression brake circuit, hydraulic pump and row
Sailing mechanism, traveling mechanism includes that drive a vehicle pilot valve, electromotor, variable pump, motor, decelerator and vehicle bridge, driving pilot valve connect
Variable pump, electromotor is connected with motor through variable pump, and motor drives decelerator to rotate, and decelerator connects car through rotary shaft
Bridge；Main brake loop includes skidding valve, the first brake, driving shuttle valve and pilot operated directional control valve, the hydraulic pump liquid produced
Force feed one tunnel is connected with the first brake being arranged in vehicle bridge through skidding valve, and the first brake is through driving shuttle valve even
Connecing pilot operated directional control valve, pilot operated directional control valve is connected with driving pilot valve；Decompression brake circuit includes second brake and traveling/parking
Switching valve, hydraulic pump another road of the hydraulic oil produced and traveling/parking switching valve is connected, traveling/parking switch valve one tunnel and
Second brake connects, and second brake is arranged on decelerator；By decompression between main brake loop and decompression brake circuit
Valve connects.
As preferably, main brake loop includes that accumulator, accumulator are connected with hydraulic pump.
As preferably, between skidding valve and the first brake, it is provided with brake pressure relay, hydraulic pump and driving/stay
It is provided with brake no-voltage relay between car switching valve.
The driving drill carriage double circuit hydraulic braking system of said structure, when traveling mechanism normally travels, driven by engine becomes
Amount pump output hydraulic pressure oil, by the road to motor, now connects traveling/parking switching valve, hydraulic pump the hydraulic oil exported is opened
Second brake, motor drives decelerator to rotate, and is transferred to vehicle bridge, driving drill carriage walking through rotary shaft.Under normal circumstances
During brake, stepping on skidding valve pedal, hydraulic oil flow to the first brake being positioned in vehicle bridge, the first system through skidding valve
Dynamic device is spot-type disc brake, and hydraulic oil promotes the braking clamp in spot-type disc brake to complete car braking, meanwhile, and hydraulic oil warp
Driving shuttle valve, promotes pilot operated directional control valve, is cut to the oil circuit of driving pilot valve, and then the output of control variable pump hydraulic oil, makes to stop
Car is relatively reliable.
When occurring such as the situation such as engine misses or pipeline leakage, hydraulic pump can not output hydraulic pressure oily, brake actuator is not
Can open, now brake actuator can realize clamping down on decelerator, it is achieved the braking of driving drill carriage.
This utility model is used as the emergency brake of decompression brake circuit by arranging traveling/parking switching valve, can realize
The most reliably brake at engine misses etc..
Accompanying drawing explanation
Fig. 1 is this utility model hydraulic schematic diagram.
Wherein, 1, accumulator, 2, skidding valve, 3, brake pressure relay, the 4, first brake, 5, driving shuttle valve,
6, pilot operated directional control valve, 7, air relief valve, 8, brake no-voltage relay, 9, traveling/parking switching valve, 10, driving pilot valve, 11, send out
Motivation, 12, variable pump, 13, motor, 14, second brake, 15, decelerator, 16, hydraulic pump.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiment of this patent is described in further detail.
A kind of driving drill carriage double circuit hydraulic braking system as shown in Figure 1, brakes back including main brake loop, decompression
Road, hydraulic pump and traveling mechanism, traveling mechanism includes drive a vehicle pilot valve 10, electromotor 11, variable pump 12, motor 13, decelerator
15 and vehicle bridge, pilot valve 10 link variable pump 12 of driving a vehicle, electromotor 11 is connected with motor 13 through variable pump 12, and motor 13 drives
Decelerator 15 rotates, and decelerator 15 connects vehicle bridge through rotary shaft；Main brake loop include accumulator 1, skidding valve 2,
One brake 4, driving shuttle valve 5 and pilot operated directional control valve 6, accumulator 1 is connected with hydraulic pump 16, and hydraulic pump 16 1 tunnel is through brake system
Dynamic valve 2 is connected with the first brake 4 being arranged in vehicle bridge, and the first brake 4 connects pilot operated directional control valve 6 through driving shuttle valve 5,
Pilot operated directional control valve 6 is connected with driving pilot valve 10；Decompression brake circuit includes second brake 14 and traveling/parking switching valve 9,
Another road of hydraulic pump 16 is connected with traveling/parking switching valve 9, and traveling/parking switching valve 9 one tunnel is connected with second brake 14,
Second brake 14 is arranged on decelerator 15；Connected by air relief valve 7 between main brake loop and decompression brake circuit.
Being provided with brake pressure relay 3 between skidding valve 2 and the first brake 4, hydraulic pump 16 is cut with traveling/parking
Change and between valve 9, be provided with brake no-voltage relay 8.
When traveling mechanism normally travels, electromotor 11 drives variable pump 12 output hydraulic pressure oil, by the road to motor 13, now
Connect traveling/parking switching valve 9, hydraulic pump 16 second brake 14 opened by the hydraulic oil exported, and motor 13 drives decelerator
15 rotate, and are transferred to vehicle bridge, driving drill carriage walking through rotary shaft.When braking under normal circumstances, step on skidding valve 2 and step on
Plate, hydraulic oil flow to the first brake 4 being positioned in vehicle bridge through skidding valve 2, and the first brake 4 is spot-type disc brake,
Hydraulic oil promotes the braking clamp in spot-type disc brake to complete car braking, and meanwhile, hydraulic oil, through driving shuttle valve 5, promotes hydraulic control
Reversal valve 6, is cut to 10 oil circuits of driving pilot valve, and then the output of control variable pump 12 hydraulic oil, makes brake relatively reliable.
When occurring such as the situation such as engine misses or pipeline leakage, hydraulic pump 16 can not output hydraulic pressure oily, second brake
14 can not open, and second brake 14 includes the brake block being arranged on inside, and now in second brake 14, brake block can realize
To clamping down on of decelerator 15, it is achieved the braking of driving drill carriage.
Open second brake 14 and need certain pressure, decompression brake circuit arranges brake no-voltage relay 8, when
In pipeline during hypotony, brake no-voltage relay 8 is connected, and the alarm lamp being arranged on driving drill carriage traveling bench board lights.
When stepping on skidding valve 2 pedal, brake pressure relay 3 is connected, and is positioned at the brake lamp at driving drill carriage rear portion
Light, its warning function.
The present invention uses double loop to brake, and main brake loop is braked in the case of completing normally to travel, and decompression brake circuit can
Realize drill carriage reliably to brake in the emergency such as engine misses or pipeline leakage, improve the stability of brakes with reliable
Property.
Claims (3)
1. a driving drill carriage double circuit hydraulic braking system, it is characterised in that include main brake loop, decompression brake circuit,
Hydraulic pump and traveling mechanism, traveling mechanism includes driving pilot valve (10), electromotor (11), variable pump (12), motor (13), subtracts
Speed device (15) and vehicle bridge, driving pilot valve (10) link variable pump (12), electromotor (11) is through variable pump (12) and motor
(13) connecting, motor (13) drives decelerator (15) to rotate, and decelerator (15) connects vehicle bridge through rotary shaft；Main brake loop is wrapped
Include skidding valve (2), the first brake (4), driving shuttle valve (5) and pilot operated directional control valve (6), the pressure that hydraulic pump (16) produces
Oil one tunnel is connected with the first brake (4) being arranged in vehicle bridge through skidding valve (2), and the first brake (4) is through space
Car shuttle valve (5) connects pilot operated directional control valve (6), and pilot operated directional control valve (6) is connected with driving pilot valve (10)；Decompression brake circuit includes
Second brake (14) and traveling/parking switching valve (9), another road of pressure oil that hydraulic pump (16) produces is cut with traveling/parking
Changing valve (9) to connect, traveling/parking switching valve (9) tunnel is connected with second brake (14), and second brake (14) is arranged on and subtracts
In speed device (15)；Connected by air relief valve between main brake loop and decompression brake circuit.
A kind of driving drill carriage double circuit hydraulic braking system the most according to claim 1, it is characterised in that main brake loop
Including accumulator (1), accumulator (1) is connected with hydraulic pump (16).
A kind of driving drill carriage double circuit hydraulic braking system the most according to claim 1, it is characterised in that skidding valve
And it is provided with brake pressure relay (3) between the first brake, is provided with between hydraulic pump (16) and traveling/parking switching valve (9)
Brake no-voltage relay (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699464.0U CN205801087U (en) | 2016-07-01 | 2016-07-01 | A kind of driving drill carriage double circuit hydraulic braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699464.0U CN205801087U (en) | 2016-07-01 | 2016-07-01 | A kind of driving drill carriage double circuit hydraulic braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205801087U true CN205801087U (en) | 2016-12-14 |
Family
ID=58140750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620699464.0U Active CN205801087U (en) | 2016-07-01 | 2016-07-01 | A kind of driving drill carriage double circuit hydraulic braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205801087U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837363A (en) * | 2016-12-21 | 2017-06-13 | 浙江大学 | Development machine cutterhead becomes discharge capacity assembled hydraulic motor-driven system and control method surely |
| CN111469825A (en) * | 2020-04-07 | 2020-07-31 | 中国煤炭科工集团太原研究院有限公司 | Full-hydraulic braking efficiency sequential distribution system of mining rubber-tyred vehicle |
-
2016
- 2016-07-01 CN CN201620699464.0U patent/CN205801087U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837363A (en) * | 2016-12-21 | 2017-06-13 | 浙江大学 | Development machine cutterhead becomes discharge capacity assembled hydraulic motor-driven system and control method surely |
| CN111469825A (en) * | 2020-04-07 | 2020-07-31 | 中国煤炭科工集团太原研究院有限公司 | Full-hydraulic braking efficiency sequential distribution system of mining rubber-tyred vehicle |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |