CN203427775U - Braking device for full trailer - Google Patents
Braking device for full trailer Download PDFInfo
- Publication number
- CN203427775U CN203427775U CN201320451762.4U CN201320451762U CN203427775U CN 203427775 U CN203427775 U CN 203427775U CN 201320451762 U CN201320451762 U CN 201320451762U CN 203427775 U CN203427775 U CN 203427775U
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- hydraulic
- ratio
- actuating cylinder
- amplified
- hydraulic actuating
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- Braking Arrangements (AREA)
Abstract
The utility model provides a braking device for a full trailer. The braking device comprises a proportional amplified hydraulic cylinder (6), a hydraulic brake (10) and an electromagnetic hydraulic valve (9), wherein the proportional amplified hydraulic cylinder (6) is arranged to be linked with a traction rod (1) in a contact way; the hydraulic brake (10) is arranged on the full trailer; the electromagnetic hydraulic valve (9) is arranged between the output end port of the proportional amplified hydraulic cylinder (6) and the input end port of the hydraulic brake (10); the control end of the electromagnetic hydraulic valve (9) is arranged to be connected with a traction head signal controller; the electromagnetic hydraulic valve (9) is set as a normally open type valve body. According to the braking device for the full trailer, high pressure liquid generated by triggering the proportional amplified hydraulic cylinder (6) is taken as braking force; a connecting rod type braking mechanism is not used any more; therefore, the braking effect is good.
Description
One, technical field
The utility model relates to a kind of brake equipment, especially a kind of brake equipment for independent trailer.
Two, background technology
In order to guarantee the driving safety of vehicle, brake equipment need to be installed on vehicle, therefore the brake equipment for independent trailer is a kind of important automobile component, at the existing brake equipment for independent trailer, general independent trailer is without service brake, the brake equipment that is useful on independent trailer is also connecting rod type braking mechanism, each connecting portion of connecting rod type braking mechanism connects by bearing pin, joint gap cannot be eliminated, brake response is insensitive, and braking effect is poor, and bar linkage structure is more complicated, take up room larger, arrange inconvenient; During reversing, need driver's operation of getting off, locking reversing connecting rod mechanism, the rear driver that move backward gets off again, removes reversing locking, uses very and bothers; And without departing from emergency brake, easily cause danger.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model is to provide a kind of brake equipment for independent trailer, so good braking effect.
For achieving the above object, the technical scheme that the utility model is taked is: include and be set to that the ratio that connects with draw bar contact is amplified hydraulic actuating cylinder, is arranged on the hydraulic brake on independent trailer, the ratio that is arranged on is amplified the electromagnetic hydraulic valve between hydraulic actuating cylinder output port and hydraulic brake input port, the control end of electromagnetic hydraulic valve is arranged on drawing head signal controller and is connected, and electromagnetic hydraulic valve is set to valve body open in usual.
When drawing head is braked, draw bar is moved backward, comparative example is amplified hydraulic actuating cylinder and is produced actuation force, and ratio is amplified hydraulic actuating cylinder output highly pressurised liquid, makes hydraulic brake produce braking force; When drawing head is moveed backward, drawing head signal controller sends signal to the control end of electromagnetic hydraulic valve, electromagnetic hydraulic valve cuts out, when draw bar moves backward, comparative example is amplified hydraulic actuating cylinder and is produced actuation force, and ratio is amplified hydraulic actuating cylinder output highly pressurised liquid, under electromagnetic hydraulic pressure valve action, can not be transported to hydraulic brake, hydraulic brake does not produce braking force; Because the ratio that designed is amplified hydraulic actuating cylinder, hydraulic brake and electromagnetic hydraulic valve, the highly pressurised liquid that amplifies hydraulic actuating cylinder generation by shake-up ratio is braking force, does not re-use connecting rod type braking mechanism, so good braking effect.
The utility model has designed, and ratio is amplified hydraulic actuating cylinder and is set to piston type ratio amplification hydraulic actuating cylinder.
The utility model has designed, and ratio is amplified hydraulic actuating cylinder and is set to single-stage oil cylinder telescoping cylinder and oil cylinder cover and is set to cone and bores cavate and connect, and telescoping cylinder is set to 11-20 ° with the horizontal tilt angle that connects inclined-plane that oil cylinder overlaps.
The utility model has designed, also include damper, electromagnetic hydraulic valve, lever connection and bracing wire, one end of damper is set to and the other end hinged with draw bar and is set to lead punch block hinged, lever connection is set to and leads punch block rotary type and connect, ratio amplification hydraulic actuating cylinder is arranged on and leads on punch block, the touch head that ratio is amplified hydraulic actuating cylinder is set to connect with an end face difference contact of draw bar and lever connection, one end face of lever connection is set to connect with drawing head by bracing wire, the output port that ratio is amplified hydraulic actuating cylinder is set to be communicated with hydraulic brake by electromagnetic hydraulic valve.
Useful technique effect of the present utility model is: drawbar frame front end is provided with draw bar and resistance gauge, by bearing pin, is connected with drawbar frame and is connected with bearing pin; Rear end is provided with piston type ratio and amplifies hydraulic actuating cylinder, is bolted.Draw bar can slide front and back in drawbar frame, and draw bar impact piston formula ratio is amplified hydraulic actuating cylinder and produced high pressure, by pipeline, hydraulic energy is passed to hydraulic brake and realizes service brake; The inertial impaction power that slight brake draw bar produces is absorbed by damper, can not be delivered to piston type ratio and amplify hydraulic actuating cylinder, can avoid trailer frequently to brake.In the middle of hydraulic tubing, be provided with electromagnetic hydraulic valve open in usual, by controlling wire harness, be connected with main car backing-up lamp electric signal, during reversing, electromagnetic hydraulic valve cuts out, and hydraulic pressure cannot pass to hydraulic brake, can not produce braking, can realize smooth reversing; Drawbar frame upper end is provided with and departs from emergency brake bar, departing from emergency brake bar lower end is connected with piston type ratio amplification hydraulic actuating cylinder, upper end is connected with steel rope, pass through link, be connected with main tailstock portion, in driving process, when trailer and main car surprisingly depart from, tractor truck is pulled and is departed from emergency brake bar and swing by link, steel rope, promotes piston type ratio and amplifies hydraulic actuating cylinder and produce pressure and realize braking.
In the technical program, it is important technical characterictic that passing ratio amplification hydraulic actuating cylinder converts braking force to hydraulic power, in the technical field of the brake equipment for independent trailer, has novelty, creativeness and practicality.
Four, accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Five, the specific embodiment
Fig. 1 is first embodiment of the present utility model, illustrates by reference to the accompanying drawings the present embodiment, includes damper 3, ratio amplification hydraulic actuating cylinder 6, electromagnetic hydraulic valve 9, hydraulic brake 10, lever connection 12 and bracing wire 13,
One end of damper 3 is set to and the other end hinged with draw bar 1 and is set to lead punch block 5 hinged, lever connection 12 is set to and leads punch block 5 rotary types and connect, ratio amplification hydraulic actuating cylinder 6 is arranged on and leads on punch block 5, the touch head that ratio is amplified hydraulic actuating cylinder 6 is set to connect with an end face difference contact of draw bar 1 and lever connection 12, one end face of lever connection 12 is set to connect with drawing head by bracing wire 13, the output port that ratio is amplified hydraulic actuating cylinder 6 is set to be communicated with hydraulic brake 10 by electromagnetic hydraulic valve 9, the control end of electromagnetic hydraulic valve 9 is arranged on drawing head signal controller and is connected, electromagnetic hydraulic valve 9 is set to valve body open in usual.
In the present embodiment, ratio amplification hydraulic actuating cylinder 6 is set to piston type ratio amplification hydraulic actuating cylinder.
In the present embodiment, ratio is amplified hydraulic actuating cylinder 6 and is set to single-stage oil cylinder telescoping cylinder and oil cylinder cover and is set to cone and bores cavate and connect, and telescoping cylinder is set to 11 ° with the horizontal tilt angle that connects inclined-plane that oil cylinder overlaps.
When drawing head is braked, draw bar 1 is moved backward, comparative example is amplified hydraulic actuating cylinder 6 and is produced actuation force, and ratio is amplified hydraulic actuating cylinder 6 output highly pressurised liquids, makes hydraulic brake 10 produce braking force; In drawing head driving process, draw bar 1 departs from drawing head, and bracing wire 13 pulls lever connection 12, and lever connection 12 comparative examples are amplified hydraulic actuating cylinder 6 and produced actuation force, and ratio is amplified hydraulic actuating cylinder 6 output highly pressurised liquids, makes hydraulic brake 10 produce braking force; When drawing head is moveed backward, drawing head signal controller sends signal to the control end of electromagnetic hydraulic valve 9, electromagnetic hydraulic valve 9 cuts out, when draw bar 1 moves backward, comparative example is amplified hydraulic actuating cylinder 6 and is produced actuation force, and ratio is amplified hydraulic actuating cylinder 6 output highly pressurised liquids, under electromagnetic hydraulic valve 9 effects, can not be transported to hydraulic brake 10, hydraulic brake 10 does not produce braking force; In drawing head driving process, the draw bar 1 causing due to road is minute movement backward, by damper 3, absorbs, and the ratio that prevents is amplified hydraulic actuating cylinder 6 frequent startings.
The present embodiment is tested in road grade is the mountain area of 30-45 °, forms after the distance of 30,000 kilometers, and independent trailer is carried out to performance measurement, and deceleration and stopping performance index reaches requirement.
Second embodiment of the present utility model, ratio is amplified hydraulic actuating cylinder 6 and is set to single-stage oil cylinder telescoping cylinder and oil cylinder cover and is set to cone and bores cavate and connect, and telescoping cylinder is set to 20 ° with the horizontal tilt angle that connects inclined-plane that oil cylinder overlaps.
The 3rd embodiment of the present utility model, ratio is amplified hydraulic actuating cylinder 6 and is set to single-stage oil cylinder telescoping cylinder and oil cylinder cover and is set to cone and bores cavate and connect, and telescoping cylinder is set to 15 ° with the horizontal tilt angle that connects inclined-plane that oil cylinder overlaps.
The 4th embodiment of the present utility model, ratio is amplified hydraulic actuating cylinder 6 and is set to single-stage oil cylinder telescoping cylinder and oil cylinder cover and is set to cone and bores cavate and connect, and telescoping cylinder is set to 17.5 ° with the horizontal tilt angle that connects inclined-plane that oil cylinder overlaps.
The utlity model has lower feature:
1, because the ratio that designed is amplified hydraulic actuating cylinder 6, hydraulic brake 10 and electromagnetic hydraulic valve 9, by shake-up ratio, amplifying the highly pressurised liquid that hydraulic actuating cylinder 6 produces is braking force, does not re-use connecting rod type braking mechanism, so good braking effect.
2, because the ratio that designed is amplified hydraulic actuating cylinder 6, hydraulic brake 10 and electromagnetic hydraulic valve 9, brake accuracy is high.
3, because the ratio that designed is amplified hydraulic actuating cylinder 6, hydraulic brake 10 and electromagnetic hydraulic valve 9, simplified brake line, more convenient operation.
4,, because the ratio that designed is amplified hydraulic actuating cylinder 6, because telescoping cylinder contact with the inclined-plane of oil cylinder cover, make the pressure stability of hydraulic oil of the output of ratio amplification hydraulic actuating cylinder 6 generations, and can directly reach the maxim of delivery pressure.
In the brake equipment technical field for independent trailer; Be set to that the ratio that connects with draw bar 1 contact is amplified hydraulic actuating cylinder 6, is arranged on the hydraulic brake 10 on independent trailer, the ratio that is arranged on is amplified the electromagnetic hydraulic valve 9 between hydraulic actuating cylinder 6 output ports and hydraulic brake 10 input ports every including; the control end of electromagnetic hydraulic valve 9 is arranged on drawing head signal controller and is connected, and electromagnetic hydraulic valve 9 is set to the technology contents of valve body open in usual all in protection domain of the present utility model.
Claims (4)
1. the brake equipment for independent trailer; It is characterized in that: include and be set to that the ratio that connects with draw bar (1) contact is amplified hydraulic actuating cylinder (6), is arranged on the hydraulic brake (10) on independent trailer, the ratio that is arranged on is amplified the electromagnetic hydraulic valve (9) between hydraulic actuating cylinder (6) output port and hydraulic brake (10) input port, the control end of electromagnetic hydraulic valve (9) is arranged on drawing head signal controller and is connected, and electromagnetic hydraulic valve (9) is set to valve body open in usual.
2. the brake equipment for independent trailer according to claim 1; It is characterized in that: ratio is amplified hydraulic actuating cylinder (6) and is set to piston type ratio amplification hydraulic actuating cylinder.
3. the brake equipment for independent trailer according to claim 1; It is characterized in that: ratio is amplified hydraulic actuating cylinder (6) and is set to single-stage oil cylinder telescoping cylinder and oil cylinder cover and is set to cone and bores cavate and connect, and telescoping cylinder is set to 11-20 ° with the horizontal tilt angle that connects inclined-plane that oil cylinder overlaps.
4. according to the brake equipment for independent trailer described in claim 1,2 or 3, it is characterized in that: also include damper (3), electromagnetic hydraulic valve (9), lever connection (12) and bracing wire (13), one end of damper (3) is set to and the other end hinged with draw bar (1) and is set to lead punch block (5) hinged, lever connection (12) is set to and leads punch block (5) rotary type and connect, ratio amplification hydraulic actuating cylinder (6) is arranged on and leads on punch block (5), the touch head that ratio is amplified hydraulic actuating cylinder (6) is set to connect with an end face difference contact of draw bar (1) and lever connection (12), one end face of lever connection (12) is set to connect with drawing head by bracing wire (13), the output port that ratio is amplified hydraulic actuating cylinder (6) is set to be communicated with hydraulic brake (10) by electromagnetic hydraulic valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451762.4U CN203427775U (en) | 2013-07-29 | 2013-07-29 | Braking device for full trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451762.4U CN203427775U (en) | 2013-07-29 | 2013-07-29 | Braking device for full trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203427775U true CN203427775U (en) | 2014-02-12 |
Family
ID=50056831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320451762.4U Expired - Fee Related CN203427775U (en) | 2013-07-29 | 2013-07-29 | Braking device for full trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203427775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359089A (en) * | 2013-07-29 | 2013-10-23 | 中国重汽集团泰安五岳专用汽车有限公司 | Braking device applied to full trailer |
| CN112606806A (en) * | 2020-12-17 | 2021-04-06 | 东风越野车有限公司 | Electric control type hydraulic braking system for trailer |
-
2013
- 2013-07-29 CN CN201320451762.4U patent/CN203427775U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359089A (en) * | 2013-07-29 | 2013-10-23 | 中国重汽集团泰安五岳专用汽车有限公司 | Braking device applied to full trailer |
| CN103359089B (en) * | 2013-07-29 | 2015-07-08 | 中国重汽集团泰安五岳专用汽车有限公司 | Braking device applied to full trailer |
| CN112606806A (en) * | 2020-12-17 | 2021-04-06 | 东风越野车有限公司 | Electric control type hydraulic braking system for 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 |
Granted publication date: 20140212 Termination date: 20140729 |
|
| EXPY | Termination of patent right or utility model |