CN208827800U - A kind of loading machine hand braking system with trailer - Google Patents
A kind of loading machine hand braking system with trailer Download PDFInfo
- Publication number
- CN208827800U CN208827800U CN201820801984.7U CN201820801984U CN208827800U CN 208827800 U CN208827800 U CN 208827800U CN 201820801984 U CN201820801984 U CN 201820801984U CN 208827800 U CN208827800 U CN 208827800U
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- trailer
- terminal
- valve
- loading machine
- 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
Landscapes
- Braking Systems And Boosters (AREA)
Abstract
The loading machine hand braking system with trailer that the utility model discloses a kind of, power supply connects the terminal b of parking switch and the automatically controlled end of the first solenoid valve, the terminal v of signal device and the automatically controlled end of second solenoid valve, the automatically controlled end of terminal a the first solenoid valve of connection of parking switch and the automatically controlled end of second solenoid valve, the terminal u of the terminal e connection signal device of parking switch, the terminal m connection power cutoff device of signal device, the port 43 of the port F connection trailer valve of first solenoid valve, trailer valve connects the port E and gas receiver of the first solenoid valve, the actuator port K and actuator port L of second solenoid valve are separately connected accumulator and hand brake device, the actuator port K connection oil sources P of second solenoid valve, first solenoid valve and second solenoid valve further respectively have exhaust outlet G and oil return inlet T.The utility model can be completed at the same time the emergency braking for loading machine and trailer under the premise of not needing to reequip itself of loading machine and trailer brake system.
Description
Technical field
The utility model relates to engineering machinery fields, and in particular to a kind of loading machine hand braking system with trailer.
Background technique
When loading machine is with being mounted on the trailer of loading machine rear end while running at high speed, if desired vehicle is promptly made
Dynamic, if only realizing braking by the loading machine of front end, then braking distance is longer.Especially when the quality of trailer is excessive
When, it is likely to that there is a situation where trailers to overthrow loading machine in emergency braking, it is therefore desirable to while controlling loading machine and trailer.
The emergency braking of loading machine is electro-hydraulic caliper disc braking, and trailer, which needs to control trailer valve by hand brake valve, carries out gas braking, and
The hand braking hand control valve of electro-hydraulic caliper disc is the valve of electric signal control, and the tractor hand brake valve of conventional belt trailer is Pneumatic valve,
Existing contradiction is that the hand control valve to be controlled by electric signal controls electro-hydraulic caliper disc gearbox emergency braking and Pneumatic-control type simultaneously
Trailer emergency braking.Therefore this field is badly in need of a kind of emergency braking loading machine and to be mounted on loading machine rear end trailer simultaneously
Braking system.
Utility model content
To solve deficiency in the prior art, the utility model provides a kind of loading machine hand braking system with trailer, solves
It has determined and loading machine and has been mounted on the problem of loading machine rear end trailer can not be braked simultaneously in the prior art.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of loading machine hand braking system with trailer, including parking switch, power supply, signal device, the first solenoid valve,
One electrode of gas receiver, trailer valve, accumulator, second solenoid valve and hand brake device, the power supply connects parking switch
Terminal b, another electrode of the power supply connects the terminal v and the second electromagnetism at the automatically controlled end of the first solenoid valve, signal device
The automatically controlled end of valve, the automatically controlled end of terminal a the first solenoid valve of connection of the parking switch and the automatically controlled end of second solenoid valve, institute
State the terminal u of the terminal e connection signal device of parking switch, the terminal m connection power cutoff device of the signal device, institute
The port of the port F connection trailer valve of the first solenoid valve is stated, the A mouth of the trailer valve connects port E and the storage of the first solenoid valve
Inflator, the actuator port K and actuator port L of the second solenoid valve are separately connected accumulator and hand brake device, and described second
The actuator port K connection oil sources P of solenoid valve, first solenoid valve and second solenoid valve further respectively have exhaust outlet G and oil return
Mouth T.
As a kind of prioritization scheme, a kind of loading machine hand braking system with trailer above-mentioned, gas receiver is also connected with first
Pressure switch, first pressure switch connection vehicle warning device.
As a kind of prioritization scheme, a kind of loading machine hand braking system with trailer above-mentioned, accumulator is also connected with second
Pressure switch, second pressure switch connection vehicle warning device.
As a kind of prioritization scheme, a kind of loading machine hand braking system with trailer above-mentioned, the first solenoid valve is two
Threeway electromagnetism air pressure valve.
As a kind of prioritization scheme, a kind of loading machine hand braking system with trailer above-mentioned, second solenoid valve is two
Threeway electromagnetic hydraulic valve.
As a kind of prioritization scheme, a kind of loading machine hand braking system with trailer above-mentioned, the voltage rating of power supply is
24V。
As a kind of prioritization scheme, a kind of loading machine hand braking system with trailer above-mentioned, the anode connection hand of power supply
The terminal b of brake switch.
The utility model is achieved the utility model has the advantages that the utility model can be completed at the same time for the tight of loading machine and trailer
Anxious braking, when operation, it is only necessary to which operating parking switch can be realized, and can promote the convenience of operation to greatest extent.This
Outside, while assurance function, the present embodiment can take into account existing loading machine and Trailer braking device structure and principle not
Same problem does not need itself being reequiped on a large scale to the braking system of the two, on the basis of existing to greatest extent
Accomplish that cost is minimum.
Detailed description of the invention
Fig. 1 is the utility model vehicle normally travel state diagram；
Fig. 2 is the utility model vehicle emergency braking condition figure；
The meaning of appended drawing reference: 1- parking switch；2- power supply；3- signal device；4- first pressure switch；5- first
Solenoid valve；6- gas receiver；7- trailer valve；8- accumulator；9- second solenoid valve；10- second pressure switch；11- hand brake device.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
It is as shown in Figs. 1-2: the loading machine hand braking system with trailer that present embodiment discloses a kind of, including parking switch
1, power supply 2, signal device 3, the first solenoid valve 5, gas receiver 6, trailer valve 7, accumulator 8, second solenoid valve 9 and hand brake device
11, the terminal b of the electrode connection parking switch 1 of power supply 2, another electrode of power supply 2 connects the electricity of the first solenoid valve 5
Control end, the terminal v of signal device 3 and the automatically controlled end of second solenoid valve 9, the first solenoid valve of terminal a connection 5 of parking switch 1
Automatically controlled end and second solenoid valve 9 automatically controlled end, the terminal u of the terminal e connection signal device 3 of parking switch 1, signal device
3 terminal m connection power cutoff device, to output power shutoff signal, the port F connection trailer valve 7 of the first solenoid valve 5
Port 43, the port E and gas receiver 6 of the first solenoid valve of connection 5 of the A mouth of trailer valve 7, the actuator port K of second solenoid valve 9
And actuator port L is separately connected accumulator 8 and hand brake device 11, the actuator port K connection oil sources P of second solenoid valve 9, first
Solenoid valve 5 and second solenoid valve 9 further respectively have exhaust outlet G and oil return inlet T.
Gas receiver 6 and accumulator 8 are also respectively connected with first pressure switch 4 and second pressure switch 10, first pressure switch 4
Vehicle warning device is all connected with second pressure switch 10.Pressure reduction inside gas receiver 6 and accumulator 8 is to setting value
When, first pressure switch 4 and second pressure switch 10 issue to full-vehicle control device and issue low pressure alarming, then prompt driver
Pressure is supplemented to gas receiver 6 and accumulator 8, it is ensured that braking system can work normally.
First solenoid valve 5 of the present embodiment is two-bit triplet electromagnetism air pressure valve, and second solenoid valve 9 is two-bit triplet electromagnetic liquid
Pressure valve, the voltage rating of power supply 2 are 24V, the terminal b of the anode connection parking switch 1 of power supply 2, cathode the first electromagnetism of connection
The automatically controlled end at the automatically controlled end of valve 5, the terminal v of signal device 3 and second solenoid valve 9.
The present embodiment also discloses the method for the above-mentioned loading machine hand braking system with trailer, makes now in conjunction with attached drawing old
State: as shown in Figure 1: when vehicle normal form, the terminal a and terminal b of parking switch 1 are connected, at this time second solenoid valve 9
Actuator port K and actuator port L is connected, and the hydraulic fluid port D of hand brake device 11 generates pressure, i.e., in the rod chamber of hand brake device 11
There is pressure, the spring of the rodless cavity of hand brake device 11 is compressed under the action of rod chamber oil liquid, and hand brake device 11 unclamps；
On the other hand, the port E and port F of the first solenoid valve 5 are connected, and the air pressure in air accumulator 6 is through the first solenoid valve 5 to trailer valve 7
Port 43, trailer valve 7 releases the hand braking of trailer, therefore trailer can be with normally travel.Other the two of trailer valve 7
A control port 41 and 42 connects the service brake valve of trailer, to guarantee the normal work of trailer valve 7.
As shown in Figure 2: when needing to carry out emergency braking to vehicle, driver starts parking switch 1, parking switch
1 terminal a and terminal b is disconnected, and terminal b and terminal e are connected, and then hand braking warning circuit is connected, and signal device 3 just starts to report
It is alert, prompt complete machine to be in emergency braking condition, the signal of the m terminal output complete machine power cut of synchronous signal device 3, complete machine
Power is cut off.Two solenoid valves power off simultaneously at this time, and the spool of the second solenoid valve 9 in loading machine moves up, actuator port L
It is connected with T mouthfuls, for 11 pressure oil of hand brake device under the action of the spring through D mouthfuls, L mouthfuls to T mouthfuls progress oil returns, loading machine generates system
It is dynamic；On the other hand, 5 spool of the first solenoid valve moves to left, and 43 air pressure of port of trailer valve 7 is through the port F of the first solenoid valve 5, exhaust
Mouth G and atmosphere are connected, and the pressure of port 43 sharply declines, and trailer valve 7 carries out emergency braking to trailer.Loading machine in the above process
Braking is completed at the same time with trailer.
Emergency braking for loading machine and trailer can be completed at the same time using the present embodiment, when operation, it is only necessary to operate
Parking switch 1 can be realized, and can promote the convenience of operation to greatest extent.In addition, while assurance function, this
Embodiment can take into account existing loading machine and Trailer braking device structure and principle different problems, not need the system to the two
Being reequiped on a large scale for dynamic system itself, has accomplished that cost is minimum to greatest extent on the basis of existing.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (7)
1. a kind of loading machine hand braking system with trailer, it is characterised in that: including parking switch (1), power supply (2), signal
Device (3), the first solenoid valve (5), gas receiver (6), trailer valve (7), accumulator (8), second solenoid valve (9) and hand brake device
(11), another electrode of the terminal b of electrode connection parking switch (1) of the power supply (2), the power supply (2) connect
The automatically controlled end at the automatically controlled end of the first solenoid valve (5), the terminal v of signal device (3) and second solenoid valve (9) is connect, it is described hand braking
Switch the automatically controlled end of terminal a first solenoid valve of connection (5) of (1) and the automatically controlled end of second solenoid valve (9), the parking switch
(1) the terminal u of terminal e connection signal device (3), the terminal m connection power cutoff device of the signal device (3) are described
The A mouth of the port 43 of the port F connection trailer valve (7) of first solenoid valve (5), the trailer valve (7) connects the first solenoid valve (5)
Port E and gas receiver (6), the actuator port K and actuator port L of the second solenoid valve (9) be separately connected accumulator (8) and
Hand brake device (11), the actuator port K connection oil sources P of the second solenoid valve (9), first solenoid valve (5) and second
Solenoid valve (9) further respectively has exhaust outlet G and oil return inlet T.
2. a kind of loading machine hand braking system with trailer according to claim 1, it is characterised in that: the gas receiver
(6) it is also connected with first pressure switch (4), the first pressure switch (4) connects vehicle warning device.
3. a kind of loading machine hand braking system with trailer according to claim 1, it is characterised in that: the accumulator
(8) it is also connected with second pressure switch (10), the second pressure switch (10) connects vehicle warning device.
4. a kind of loading machine hand braking system with trailer according to claim 1, it is characterised in that: first electromagnetism
Valve (5) is two-bit triplet electromagnetism air pressure valve.
5. a kind of loading machine hand braking system with trailer according to claim 1, it is characterised in that: second electromagnetism
Valve (9) is two-bit triplet electromagnetic hydraulic valve.
6. a kind of loading machine hand braking system with trailer according to claim 1, it is characterised in that: the power supply (2)
Voltage rating be 24V.
7. a kind of loading machine hand braking system with trailer according to claim 1 or 6, it is characterised in that: the power supply
(2) the terminal b of anode connection parking switch (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820801984.7U CN208827800U (en) | 2018-05-28 | 2018-05-28 | A kind of loading machine hand braking system with trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820801984.7U CN208827800U (en) | 2018-05-28 | 2018-05-28 | A kind of loading machine hand braking system with trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208827800U true CN208827800U (en) | 2019-05-07 |
Family
ID=66304754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820801984.7U Active CN208827800U (en) | 2018-05-28 | 2018-05-28 | A kind of loading machine hand braking system with trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208827800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639033A (en) * | 2018-05-28 | 2018-10-12 | 徐工集团工程机械股份有限公司科技分公司 | A kind of loading machine hand braking system and method with trailer |
-
2018
- 2018-05-28 CN CN201820801984.7U patent/CN208827800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639033A (en) * | 2018-05-28 | 2018-10-12 | 徐工集团工程机械股份有限公司科技分公司 | A kind of loading machine hand braking system and method with trailer |
| CN108639033B (en) * | 2018-05-28 | 2024-04-09 | 徐工集团工程机械股份有限公司科技分公司 | Hand brake system and method for loader with trailer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109249918A (en) | Brake fluid system and vehicle | |
| CN108928335B (en) | Automatic braking system for unmanned vehicle | |
| CN204870981U (en) | Automatically controlled braking system of EBS gas braking | |
| CN106114486B (en) | A kind of ABS electric-gas control relay valve | |
| CN110588617B (en) | Control system for realizing driving and emergency parking braking functions of front wheels and rear wheels of explosion-proof vehicle | |
| CN102066169A (en) | Control valve for a vehicle brake system and vehicle brake system comprising such a control valve | |
| CN108407789B (en) | Automatic emergency air pressure braking device | |
| CN208978864U (en) | A kind of subway train electropneumatic emergency braking apparatus | |
| CN208827800U (en) | A kind of loading machine hand braking system with trailer | |
| CN102343902B (en) | Air pressure brake unit and multi-shaft automobile chassis with same | |
| CN207826219U (en) | A kind of active high-pressure brake system | |
| CN108639033A (en) | A kind of loading machine hand braking system and method with trailer | |
| CN208344206U (en) | A kind of high-speed loading machine emergency braking system with trailer | |
| CN103386958B (en) | Rear axle braking device, axle braking system and method as well as vehicle | |
| CN203864675U (en) | Hydraulic braking system for mining dump trucks | |
| CN103223953B (en) | A kind of Train hook breakage protective system | |
| CN109017726A (en) | A kind of automatic driving vehicle general brake system and control method | |
| CN208978826U (en) | Brake fluid system and vehicle | |
| CN203946079U (en) | A kind of superimposed trailer and brake system thereof | |
| CN202574192U (en) | Pneumatic and electric dual-purpose multifunctional brake control device | |
| CN108116443A (en) | A kind of method of novel locomotive without fiery loopback | |
| CN108437959A (en) | A kind of high-speed loading machine emergency braking system and method with trailer | |
| CN112172768B (en) | Pneumatic brake device for vehicle | |
| CN201721441U (en) | Pneumatic-pressure brake unit and multi-axle automobile chassis adopting same | |
| CN108528423A (en) | A kind of active high-pressure brake system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |