CN103359089B - Braking device applied to full trailer - Google Patents
Braking device applied to full trailer Download PDFInfo
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- CN103359089B CN103359089B CN201310319667.3A CN201310319667A CN103359089B CN 103359089 B CN103359089 B CN 103359089B CN 201310319667 A CN201310319667 A CN 201310319667A CN 103359089 B CN103359089 B CN 103359089B
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- actuating cylinder
- hydraulic actuating
- oil cylinder
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Abstract
The invention relates to a braking device applied to a full trailer. The braking device comprises a proportion-magnification hydraulic cylinder (6), a hydraulic braking device (10) and an electromagnetic hydraulic valve (9), wherein the proportion-magnification hydraulic cylinder (6) is in contact connection with a drag rod (1), the hydraulic braking device (10) is arranged on the full trailer, the electromagnetic hydraulic valve (9) is arranged between an output end opening of the proportion-magnification hydraulic cylinder (6) and an input end opening of the hydraulic braking device (10), a control end of the electromagnetic hydraulic valve (9) is connected with a drag rod signal controller, and the electromagnetic hydraulic valve (9) is designed to be a normally opening valve body. According to the braking device applied to the full trailer, which is disclosed by the invention, high-pressure liquid generated by triggering the proportion-magnification hydraulic cylinder (6) is utilized as a braking force, and a link-type braking mechanism is not utilized, so that the braking effect is good.
Description
One, technical field
The present invention relates to a kind of brake equipment, especially a kind of brake equipment for independent trailer.
Two, background technology
In order to ensure the driving safety of vehicle, need, on vehicle, brake equipment is installed, therefore the brake equipment for independent trailer is a kind of important automobile component, existing in the brake equipment of independent trailer, general independent trailer is without service brake, be exactly also be connecting rod type braking mechanism for the brake equipment of independent trailer, the each connecting portion of connecting rod type braking mechanism passes through pinned connection, joint gap cannot be eliminated, brake response is insensitive, and braking effect is poor, and bar linkage structure is more complicated, take up room comparatively large, arrange inconvenient; Need driver's drive-through operation during reversing, locking reversing connecting rod mechanism, the rear driver that moveed backward gets off again, removes reversing locking, uses and bother very much; And without disengaging emergency brake, easily cause danger.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the object of this invention is to provide a kind of brake equipment for independent trailer, therefore good braking effect.
For achieving the above object, the technical scheme that the present invention takes is: include and be set to the scale amplifying hydraulic actuating cylinder connected with draw bar contact, the hydraulic brake be arranged on independent trailer, be arranged on electromagnetic hydraulic valve between scale amplifying hydraulic actuating cylinder output port and hydraulic brake input port, the control end of electromagnetic hydraulic valve is arranged on and is connected with drawing head signal controller, 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 scale amplifying hydraulic actuating cylinder exports highly pressurised liquid, makes hydraulic brake produce braking force; When drawing head is moveed backward, the control end of drawing head signal controller to electromagnetic hydraulic valve sends signal, electromagnetic hydraulic valve cuts out, when draw bar moves backward, comparative example is amplified hydraulic actuating cylinder and is produced actuation force, and scale amplifying hydraulic actuating cylinder exports highly pressurised liquid, under electromagnetic hydraulic pressure valve action, can not be transported to hydraulic brake, hydraulic brake does not produce braking force; Owing to devising scale amplifying hydraulic actuating cylinder, hydraulic brake and electromagnetic hydraulic valve, the highly pressurised liquid produced by touching scale amplifying hydraulic actuating cylinder is braking force, does not re-use connecting rod type braking mechanism, therefore good braking effect.
The present invention devises, and scale amplifying hydraulic actuating cylinder is set to piston type scale amplifying hydraulic actuating cylinder.
The present invention devises, scale amplifying hydraulic actuating cylinder is set to single-stage oil cylinder, and the telescoping cylinder of described single-stage oil cylinder and the oil cylinder cover of described single-stage oil cylinder are set to cone to be connected with cone cavate, and the horizontal tilt angle connecting inclined-plane that telescoping cylinder and the oil cylinder of described single-stage oil cylinder of described single-stage oil cylinder overlap is set to 11-20 °.
The present invention devises, also include damper, 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, scale amplifying hydraulic actuating cylinder is arranged on and leads on punch block, the touch head of scale amplifying hydraulic actuating cylinder is set to connect with an end face difference contact of draw bar and lever connection, the other end of lever connection is placed through bracing wire and connects with drawing head, and the output port of scale amplifying hydraulic actuating cylinder is placed through electromagnetic hydraulic valve and is communicated with hydraulic brake.
Useful technique effect of the present invention is: drawbar frame front end is provided with draw bar and resistance gauge, is connected with pinned connection by bearing pin with drawbar frame; Rear end is provided with piston type scale amplifying hydraulic actuating cylinder, is bolted.Draw bar can slide anteroposterior in drawbar frame, and draw bar impact piston formula scale amplifying hydraulic actuating cylinder produces high pressure, by pipeline, hydraulic energy is passed to hydraulic brake and realizes service brake; The Inertial impaction that slight brake draw bar produces is absorbed by damper, can not be delivered to piston type scale amplifying hydraulic actuating cylinder, trailer can be avoided frequently to brake.In the middle of hydraulic tubing, be provided with electromagnetic hydraulic valve open in usual, be connected with main car backing-up lamp electric signal by controlling wire harness, 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, depart from emergency brake bar lower end to be connected with piston type scale amplifying hydraulic actuating cylinder, upper end is connected with steel rope, pass through link, be connected with main tailstock portion, in driving conditions when trailer and main car surprisingly depart from, tractor truck is pulled by link, steel rope and departs from the swing of emergency brake bar, promotes piston type scale amplifying hydraulic actuating cylinder and produces pressure realization braking.
In the technical program, it is important technical characteristic 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 invention.
Five, detailed description of the invention
Fig. 1 is first embodiment of the present invention, illustrates the present embodiment by reference to the accompanying drawings, includes damper 3, scale amplifying hydraulic actuating cylinder 6, electromagnetic hydraulic valve, 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 type and connect, scale amplifying hydraulic actuating cylinder 6 is arranged on and leads on punch block 5, the touch head of scale amplifying hydraulic actuating cylinder 6 is set to connect with an end face difference contact of draw bar 1 and lever connection 12, the other end of lever connection 12 is placed through bracing wire 13 and connects with drawing head, the output port of scale amplifying hydraulic actuating cylinder 6 is placed through electromagnetic hydraulic valve and is communicated with hydraulic brake 10, the control end of electromagnetic hydraulic valve is arranged on and is connected with drawing head signal controller, electromagnetic hydraulic valve is set to valve body open in usual.
In the present embodiment, scale amplifying hydraulic actuating cylinder 6 is set to piston type scale amplifying hydraulic actuating cylinder.
In the present embodiment, scale amplifying hydraulic actuating cylinder 6 is set to single-stage oil cylinder, and the telescoping cylinder of described single-stage oil cylinder and the oil cylinder cover of described single-stage oil cylinder are set to cone to be connected with cone cavate, and the horizontal tilt angle connecting inclined-plane that telescoping cylinder and the oil cylinder of described single-stage oil cylinder of described single-stage oil cylinder overlap is set to 11 °.
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 scale amplifying hydraulic actuating cylinder 6 exports highly pressurised liquid, makes hydraulic brake 10 produce braking force; When in drawing head driving process, draw bar 1 and drawing head depart from, and bracing wire 13 pulls lever connection 12, and lever connection 12 comparative example is amplified hydraulic actuating cylinder 6 and produced actuation force, and scale amplifying hydraulic actuating cylinder 6 exports highly pressurised liquid, makes hydraulic brake 10 produce braking force; When drawing head is moveed backward, the control end of drawing head signal controller to electromagnetic hydraulic valve sends signal, electromagnetic hydraulic valve cuts out, when draw bar 1 moves backward, comparative example is amplified hydraulic actuating cylinder 6 and is produced actuation force, and scale amplifying hydraulic actuating cylinder 6 exports highly pressurised liquid, under electromagnetic hydraulic pressure valve action, can not be transported to hydraulic brake 10, hydraulic brake 10 does not produce braking force; When in drawing head driving process, due to draw bar 1 minute movement backward that road causes, absorbed by damper 3, prevent scale amplifying hydraulic actuating cylinder 6 frequent starting.
The present embodiment is test in the mountain area of 30-45 ° in road grade, and after forming the distance of 30,000 kilometers, carry out performance measurement to independent trailer, deceleration and stopping performance index reaches requirement.
Second embodiment of the present invention, scale amplifying hydraulic actuating cylinder 6 is set to single-stage oil cylinder, and the telescoping cylinder of described single-stage oil cylinder and the oil cylinder cover of described single-stage oil cylinder are set to cone to be connected with cone cavate, and the horizontal tilt angle connecting inclined-plane that telescoping cylinder and the oil cylinder of described single-stage oil cylinder of described single-stage oil cylinder overlap is set to 20 °.
3rd embodiment of the present invention, scale amplifying hydraulic actuating cylinder 6 is set to single-stage oil cylinder, and the telescoping cylinder of described single-stage oil cylinder and the oil cylinder cover of described single-stage oil cylinder are set to cone to be connected with cone cavate, and the horizontal tilt angle connecting inclined-plane that telescoping cylinder and the oil cylinder of described single-stage oil cylinder of described single-stage oil cylinder overlap is set to 15 °.
4th embodiment of the present invention, scale amplifying hydraulic actuating cylinder 6 is set to single-stage oil cylinder, and the telescoping cylinder of described single-stage oil cylinder and the oil cylinder cover of described single-stage oil cylinder are set to cone to be connected with cone cavate, and the horizontal tilt angle connecting inclined-plane that telescoping cylinder and the oil cylinder of described single-stage oil cylinder of described single-stage oil cylinder overlap is set to 17.5 °.
The present invention has lower feature:
1, owing to devising scale amplifying hydraulic actuating cylinder 6, hydraulic brake 10 and electromagnetic hydraulic valve, the highly pressurised liquid produced by touching scale amplifying hydraulic actuating cylinder 6 is braking force, does not re-use connecting rod type braking mechanism, therefore good braking effect.
2, owing to devising scale amplifying hydraulic actuating cylinder 6, hydraulic brake 10 and electromagnetic hydraulic valve, brake accuracy is high.
3, owing to devising scale amplifying hydraulic actuating cylinder 6, hydraulic brake 10 and electromagnetic hydraulic valve, brake line is simplified, more convenient operation.
4, owing to devising scale amplifying hydraulic actuating cylinder 6, due to the contact of incline plane that telescoping cylinder and oil cylinder overlap, the pressure stability of the hydraulic oil of the output that scale amplifying hydraulic actuating cylinder 6 is produced, and the maxim that directly can reach delivery pressure.
For in the brake equipment technical field of independent trailer; Every including is set to the scale amplifying hydraulic actuating cylinder 6 connected with draw bar 1 contact, the hydraulic brake 10 be arranged on independent trailer, is arranged on electromagnetic hydraulic valve between scale amplifying hydraulic actuating cylinder 6 output port and hydraulic brake 10 input port; the control end of electromagnetic hydraulic valve is arranged on and is connected with drawing head signal controller, and electromagnetic hydraulic valve is set to the technology contents of valve body open in usual all in protection scope of the present invention.
Claims (1)
1. the brake equipment for independent trailer; It is characterized in that: include the scale amplifying hydraulic actuating cylinder (6) being set to connect with draw bar (1) contact, the hydraulic brake (10) be arranged on independent trailer, be arranged on electromagnetic hydraulic valve between scale amplifying hydraulic actuating cylinder (6) output port and hydraulic brake (10) input port, the control end of electromagnetic hydraulic valve is arranged on and is connected with drawing head signal controller, and electromagnetic hydraulic valve is set to valve body open in usual;
Scale amplifying hydraulic actuating cylinder (6) is set to piston type scale amplifying hydraulic actuating cylinder;
Scale amplifying hydraulic actuating cylinder (6) is set to single-stage oil cylinder, and the telescoping cylinder of described single-stage oil cylinder and the oil cylinder cover of described single-stage oil cylinder are set to cone to be connected with cone cavate, and the horizontal tilt angle connecting inclined-plane that telescoping cylinder and the oil cylinder of described single-stage oil cylinder of described single-stage oil cylinder overlap is set to 11-20 °;
Also include damper (3), lever connection (12) and bracing wire (13), one end of damper (3) is set to hinged with draw bar (1) and the other end is set to drawbar frame (5) hinged, lever connection (12) is set to connect with drawbar frame (5) rotary type, scale amplifying hydraulic actuating cylinder (6) is arranged on drawbar frame (5), the touch head of scale amplifying hydraulic actuating cylinder (6) is set to connect with an end face difference contact of draw bar (1) and lever connection (12), the other end of lever connection (12) is placed through bracing wire (13) and connects with drawing head, the output port of scale amplifying hydraulic actuating cylinder (6) is placed through electromagnetic hydraulic valve and is communicated with hydraulic brake (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319667.3A CN103359089B (en) | 2013-07-29 | 2013-07-29 | Braking device applied to full trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319667.3A CN103359089B (en) | 2013-07-29 | 2013-07-29 | Braking device applied to full trailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103359089A CN103359089A (en) | 2013-10-23 |
| CN103359089B true CN103359089B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310319667.3A Active CN103359089B (en) | 2013-07-29 | 2013-07-29 | Braking device applied to full trailer |
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| CN (1) | CN103359089B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3221320C2 (en) * | 1982-06-05 | 1984-05-24 | Josef Peitz Jun. Kg Achsenfabrik, 4790 Paderborn | Overrun braking device for a vehicle trailer |
| FR2548120A1 (en) * | 1983-06-15 | 1985-01-04 | Gruemer Eisenwerk | INERTIAL HYDRAULIC BRAKE DEVICE EQUIPPING TRAILERS WITH ONE OR MORE AXLES |
| GB2289508A (en) * | 1994-05-20 | 1995-11-22 | Seamus Golden | A trailer braking system |
| CN201863826U (en) * | 2010-12-03 | 2011-06-15 | 英达热再生有限公司 | Full-trailer impact type brake apparatus |
| CN203427775U (en) * | 2013-07-29 | 2014-02-12 | 中国重汽集团泰安五岳专用汽车有限公司 | Braking device for full trailer |
-
2013
- 2013-07-29 CN CN201310319667.3A patent/CN103359089B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3221320C2 (en) * | 1982-06-05 | 1984-05-24 | Josef Peitz Jun. Kg Achsenfabrik, 4790 Paderborn | Overrun braking device for a vehicle trailer |
| FR2548120A1 (en) * | 1983-06-15 | 1985-01-04 | Gruemer Eisenwerk | INERTIAL HYDRAULIC BRAKE DEVICE EQUIPPING TRAILERS WITH ONE OR MORE AXLES |
| GB2289508A (en) * | 1994-05-20 | 1995-11-22 | Seamus Golden | A trailer braking system |
| CN201863826U (en) * | 2010-12-03 | 2011-06-15 | 英达热再生有限公司 | Full-trailer impact type brake apparatus |
| CN203427775U (en) * | 2013-07-29 | 2014-02-12 | 中国重汽集团泰安五岳专用汽车有限公司 | Braking device for full trailer |
Non-Patent Citations (1)
| Title |
|---|
| 朱洪涛.液压与气压传动.《液压与气压传动》.清华大学出版社,2005,第58页. * |
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| CN103359089A (en) | 2013-10-23 |
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