CN204687861U - The auxiliary brake of towed vehicle and towed vehicle - Google Patents
The auxiliary brake of towed vehicle and towed vehicle Download PDFInfo
- Publication number
- CN204687861U CN204687861U CN201520148019.0U CN201520148019U CN204687861U CN 204687861 U CN204687861 U CN 204687861U CN 201520148019 U CN201520148019 U CN 201520148019U CN 204687861 U CN204687861 U CN 204687861U
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- China
- Prior art keywords
- towed vehicle
- brake
- compartment
- railway carriage
- transmission shaft
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Abstract
The utility model relates to vehicle brake technology field, specifically provides a kind of auxiliary brake and towed vehicle of towed vehicle.Described towed vehicle comprises tractor truck and drags railway carriage or compartment, the auxiliary brake of described towed vehicle comprises the master cock of the mode of operation of the described additional brake of diff, transmission shaft, additional brake and control, the wheel shaft in railway carriage or compartment is dragged described in described diff connects, one end of described transmission shaft connects described diff, the other end of described transmission shaft connects described additional brake, drags the vehicle frame in railway carriage or compartment described in described additional brake connects.The braking force that additional brake produces is sent to diff by transmission shaft, then is sent to the wheel shaft dragging railway carriage or compartment from diff, for towed vehicle provides additional braking force, improves the braking quality of towed vehicle, reduces the risk that traffic accident occurs.
Description
Technical field
The utility model relates to vehicle brake technology field, in particular to a kind of auxiliary brake and towed vehicle of towed vehicle.
Background technology
Towed vehicle is divided into semi-mounted and full extension.Semi-mounted is tractor truck before being, after be drag railway carriage or compartment, drag front end, railway carriage or compartment to be placed on tractor truck, tractor truck and drag railway carriage or compartment jointly to bear a heavy burden.Independent trailer is tractor truck and drags railway carriage or compartment to be linked together, and independent trailer is responsible for providing power, drags railway carriage or compartment to be responsible for heavy burden.What semi-mounted was connected with the full towed vehicle hung drags the equal unpowered systems in railway carriage or compartment, drags the braking in railway carriage or compartment also to provide power by tractor truck.Because the general load carrying ability of towed vehicle is very large, current railway carriage or compartment of dragging generally provides brake power by tractor truck, drags the braking effect in railway carriage or compartment bad, and when continuous ramp uphill/downhill travels or under other special road conditions, brake system easily goes wrong, and causes the generation of accident.
Utility model content
In view of this, the purpose of this utility model is the auxiliary brake and the towed vehicle that provide a kind of towed vehicle, to improve the braking quality of towed vehicle.
The utility model is achieved in that
First aspect, the utility model embodiment provides a kind of auxiliary brake of towed vehicle, described towed vehicle comprises tractor truck and drags railway carriage or compartment, the auxiliary brake of described towed vehicle comprises the master cock of the mode of operation of the described additional brake of diff, transmission shaft, additional brake and control, the wheel shaft in railway carriage or compartment is dragged described in described diff connects, one end of described transmission shaft connects described diff, the other end of described transmission shaft connects described additional brake, drags the vehicle frame in railway carriage or compartment described in described additional brake connects.
In conjunction with first aspect, the utility model embodiment provides the first possible embodiment of first aspect, and wherein said additional brake is retarder, and described retarder comprises current vortex retarder or hydrodynamic retarder.
Current vortex retarder or arranging of hydrodynamic retarder can provide additional braking force for dragging railway carriage or compartment, can increase the deceleration and stopping performance of towed vehicle.
In conjunction with first aspect, the utility model embodiment provides the possible embodiment of the second of first aspect, wherein said additional brake comprises DC motor and braking resistor, described DC motor connects described transmission shaft, and described braking resistor connects described DC motor by described master cock.
When not needing braking, DC motor dallies.When needing braking, make DC motor connect braking resistor by master cock, the electric energy conversion that DC motor produces by braking resistor is that heat energy distributes, and the power of braking resistor consumption is exactly the power of the braking that additional brake can provide.
In conjunction with the embodiment that the second of first aspect is possible, the utility model embodiment provides the third possible embodiment of first aspect, wherein said additional brake also comprises storage battery, and described storage battery connects described DC motor by described master cock.
When needs are braked, DC motor is connected storage battery by master cock, makes the power storage of generation to storage battery, makes electrical motor have load on the one hand, produces braking force; The electric energy stored on the other hand can when emergency braking Opposite direction connection DC motor, make DC motor produce braking force.
In conjunction with the third possible embodiment of first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, wherein said additional brake also comprises constant current constant voltage module, and described storage battery and described braking resistor are all by master cock described in described constant current constant voltage model calling.
The Current Voltage that constant current constant voltage module makes DC motor export is stablized, and to meet the parameter of braking resistor and storage battery, extends the service life of braking resistor and storage battery.
In conjunction with the second of first aspect to arbitrary possible embodiment in the 4th kind, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, and wherein said DC motor comprises rotor, and described rotor is connected with described transmission shaft is coaxial.
Do not affect the condition of vehicle road clearance at DC machine shell under, the structure of coaxial connection is simple.
In conjunction with the second of first aspect to arbitrary possible embodiment in the 4th kind, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, wherein said DC motor comprises rotor, and described rotor is connected by universal-joint with described transmission shaft.
Second aspect, the utility model embodiment provides a kind of towed vehicle, and described towed vehicle comprises tractor truck and drag railway carriage or compartment, described in drag railway carriage or compartment to adopt above-mentioned auxiliary brake.
The utility model embodiment provides a kind of auxiliary brake and towed vehicle of towed vehicle.The master cock that this auxiliary brake is arranged controls the mode of operation of additional brake, the braking force that additional brake produces is sent to diff by transmission shaft, the wheel shaft dragging railway carriage or compartment is sent to again from diff, for towed vehicle provides additional braking force, improve the braking quality of towed vehicle, reduce the risk that traffic accident occurs.
For making above-mentioned purpose of the present utility model, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the connection structure of the auxiliary brake of a kind of towed vehicle that the utility model embodiment provides;
Fig. 2 shows the connection structure of the auxiliary brake of the another kind of towed vehicle that the utility model embodiment provides;
Fig. 3 shows the structured flowchart of the auxiliary brake of the another kind of towed vehicle that the utility model embodiment provides.
Mark in figure: diff 101, transmission shaft 102, additional brake 103, master cock 104, DC motor 201, constant current constant voltage module 202, braking resistor 203, storage battery 204.
Detailed description of the invention
Below in conjunction with accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Trailed automobile, being divided into semi-mounted and full extension, is the main vehicle of road transport.Semi-mounted be exactly before be tractor truck, after be drag railway carriage or compartment, drag the front end in railway carriage or compartment to be placed on tractor truck; Independent trailer is exactly the compartment that tractor truck above pulls below, together with compartment connects with tractor truck.The railway carriage or compartment of dragging of general lorry is provided with the wheels of two bridges or three bridges, and the loading of carrying more than 50%, drags the wheels in railway carriage or compartment generally to adopt mechanical friction type (disc type or drum-type) to brake, be controlled by the brake system of tractor truck.But the braking of mechanical friction type drg long-time continuous often causes deceleration and stopping performance to decline to a great extent even lost efficacy.Contriver finds in the analysis of causes to lorry generation traffic accident, and brake factors occupies quite high ratio.Western developed country has put into effect the laws and regulations of multi-section about the auxiliary braking of automobile, and using the standard configuration of complemental brake system as designated vehicle.China to be defined in medium bus high one-level, high secondary and high three grades of passenger vehicles in high secondary, motor omnibus must install retarder, but does not have relevant regulations for trailed automobile, does not also occur the auxiliary brake of being correlated with.
The utility model embodiment provides a kind of auxiliary brake of towed vehicle, effectively can promote the deceleration and stopping performance of towed vehicle, reduces the probability that towed vehicle has an accident, and improves the safety performance of towed vehicle.
The utility model embodiment drags railway carriage or compartment for two bridges.
Consult Fig. 1, a kind of auxiliary brake of towed vehicle, towed vehicle comprises tractor truck and drags railway carriage or compartment, the auxiliary brake of towed vehicle comprises the master cock 104 of the mode of operation of diff 101, transmission shaft 102, additional brake 103 and control additional brake 103, diff 101 connects the wheel shaft dragging railway carriage or compartment, one end connected with differential 101 of transmission shaft 102, the other end of transmission shaft 102 connects additional brake 103, and additional brake 103 connects the vehicle frame dragging railway carriage or compartment.
In the present embodiment, additional brake 103 can select retarder, and retarder can be current vortex retarder or hydrodynamic retarder.
When using the auxiliary brake of this towed vehicle, when not needing braking, drag railway carriage or compartment normally to travel along with tractor truck, drag the wheel in railway carriage or compartment to drive diff 101, diff 101 drives transmission shaft 102 to dally.When needs are braked, navigating mate controls retarder work by master cock 104, and retarder produces the rotation that braking force hinders transmission shaft 102, and then hinders diff to rotate, and finally plays the brake action to dragging railway carriage or compartment.
Consult Fig. 2 and Fig. 3, a kind of auxiliary brake of towed vehicle, towed vehicle comprises tractor truck and drags railway carriage or compartment, the auxiliary brake of towed vehicle comprises the master cock 104 of the mode of operation of diff 101, transmission shaft 102, additional brake 103 and control additional brake 103, diff 101 connects the wheel shaft dragging railway carriage or compartment, one end connected with differential 101 of transmission shaft 102, the other end of transmission shaft 102 connects additional brake 103, and additional brake 103 connects the vehicle frame dragging railway carriage or compartment.
In the present embodiment, additional brake 103 adopts DC motor 201 and braking resistor 203.
In order to improve braking effect and make full use of the energy produced in braking procedure, additional brake 103 also comprises storage battery 204 and constant current constant voltage module 202, the stable electric power that constant current constant voltage module 202 makes DC motor 201 export, can extend the service life of storage battery 204 and braking resistor 203.
The wherein coaxial connection for transmission axle 102 of the rotor of DC motor 201, DC motor 201 connects constant current constant voltage module 202 by master cock 104, and constant current constant voltage module 202 connects storage battery 204 and braking resistor 203.Master cock 104 is arranged at operator's compartment, realizes the selection of navigating mate to additional brake 103 mode of operation.
The auxiliary brake of this towed vehicle has four kinds of mode of operations.When not needing braking, drag the wheel in railway carriage or compartment to drive diff 101, diff 101 drives transmission shaft 102, and transmission shaft drives DC motor 201 to dally.
When running into needs braking, such as during vehicle long and steep downgrade, navigating mate makes DC motor 201 connect load by master cock 104.This load can be storage battery 204 also can be braking resistor 203.After connecting storage battery 204, storage battery 204 is in charge condition; After connecting braking resistor 203, electric energy conversion is that heat energy dissipates by braking resistor 203.In actual use, normally first connect storage battery 204, after storage battery 204 is full of electricity, then connect braking resistor 203.The electric energy that storage battery 204 stores for future use.It can be the power of the braking of dragging railway carriage or compartment to provide when braking that the power that consumes of load (storage battery 204 or braking resistor 203) that DC motor 201 connects is DC motor 201.
When run into need emergency braking when, such as towed vehicle must sudden stop time, navigating mate is communicated with the coil of DC motor 201 by storage battery during master cock 104 204, makes DC motor 201 produce electromagnetic braking; And navigating mate makes DC motor 201 connect braking resistor 203 by master cock 104.Allow DC motor 201 connect load, and DC motor 201 is connected to the electric current that can make its contrarotation, produce dual braking force like this, brake and transmission shaft 102 to greatest extent, and then coordinate brake system to realize the emergency braking dragging railway carriage or compartment.
In towed vehicle startup or when running into special road conditions, navigating mate makes storage battery 204 be communicated with the coil of DC motor 201 by master cock 104, DC motor 201 is made to drive transmission shaft 102 to rotate, for towed vehicle provides the power of its travel direction, this travel direction can be the direction that towed vehicle advances, also can be the direction that towed vehicle retreats, be equivalent to for towed vehicle provides hybrid power.
During coaxial connection, transmission shaft 102 is the rotor shaft of DC motor 201, is a kind of simple frame mode.
When the stator of DC motor 201 is fixed on the vehicle frame dragging railway carriage or compartment, in towed vehicle driving process, along with the unfairness on road surface, drag the wheel shaft in railway carriage or compartment can produce relative displacement with dragging the vehicle frame in railway carriage or compartment, wheel shaft can move up and down.Cause the change of relative position between transmission shaft 102 and DC motor 201 due to the displacement of wheel shaft, the setting of universal-joint achieve relative position between transmission shaft 102 and DC motor 201 change after power or braking force still can transmit.
A kind of towed vehicle, towed vehicle comprises tractor truck and drags railway carriage or compartment, drags railway carriage or compartment to adopt above-mentioned auxiliary brake.The braking force that the additional brake of this towed vehicle produces is sent to diff by transmission shaft, then is sent to the wheel shaft dragging railway carriage or compartment from diff, for towed vehicle provides additional braking force, improves the braking quality of towed vehicle, reduces the risk that traffic accident occurs.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. the auxiliary brake of a towed vehicle, it is characterized in that, described towed vehicle comprises tractor truck and drags railway carriage or compartment, the auxiliary brake of described towed vehicle comprises the master cock of the mode of operation of the described additional brake of diff, transmission shaft, additional brake and control, the wheel shaft in railway carriage or compartment is dragged described in described diff connects, one end of described transmission shaft connects described diff, and the other end of described transmission shaft connects described additional brake, drags the vehicle frame in railway carriage or compartment described in described additional brake connects.
2. the auxiliary brake of towed vehicle according to claim 1, is characterized in that, described additional brake is retarder, and described retarder comprises current vortex retarder or hydrodynamic retarder.
3. the auxiliary brake of towed vehicle according to claim 1, it is characterized in that, described additional brake comprises DC motor and braking resistor, and described DC motor connects described transmission shaft, and described braking resistor connects described DC motor by described master cock.
4. the auxiliary brake of towed vehicle according to claim 3, is characterized in that, described additional brake also comprises storage battery, and described storage battery connects described DC motor by described master cock.
5. the auxiliary brake of towed vehicle according to claim 4, is characterized in that, described additional brake also comprises constant current constant voltage module, and described storage battery and described braking resistor are all by master cock described in described constant current constant voltage model calling.
6., according to the auxiliary brake of the arbitrary described towed vehicle of claim 3-5, it is characterized in that, described DC motor comprises rotor, and described rotor is connected with described transmission shaft is coaxial.
7., according to the auxiliary brake of the arbitrary described towed vehicle of claim 3-5, it is characterized in that, described DC motor comprises rotor, and described rotor is connected by universal-joint with described transmission shaft.
8. a towed vehicle, is characterized in that, described towed vehicle comprises tractor truck and drag railway carriage or compartment, described in drag railway carriage or compartment to adopt auxiliary brake described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148019.0U CN204687861U (en) | 2015-03-16 | 2015-03-16 | The auxiliary brake of towed vehicle and towed vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148019.0U CN204687861U (en) | 2015-03-16 | 2015-03-16 | The auxiliary brake of towed vehicle and towed vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204687861U true CN204687861U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520148019.0U Expired - Fee Related CN204687861U (en) | 2015-03-16 | 2015-03-16 | The auxiliary brake of towed vehicle and towed vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204687861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723887A (en) * | 2015-03-16 | 2015-06-24 | 三门峡荣通车辆应用技术开发有限公司 | Auxiliary brake device for trailer and trailer |
-
2015
- 2015-03-16 CN CN201520148019.0U patent/CN204687861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723887A (en) * | 2015-03-16 | 2015-06-24 | 三门峡荣通车辆应用技术开发有限公司 | Auxiliary brake device for trailer and trailer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20190316 |