CN201842075U - Engineering truck brake system and engineering truck thereof - Google Patents
Engineering truck brake system and engineering truck thereof Download PDFInfo
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- CN201842075U CN201842075U CN2010205929647U CN201020592964U CN201842075U CN 201842075 U CN201842075 U CN 201842075U CN 2010205929647 U CN2010205929647 U CN 2010205929647U CN 201020592964 U CN201020592964 U CN 201020592964U CN 201842075 U CN201842075 U CN 201842075U
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- brake
- engineering truck
- brake system
- pedal
- activation valve
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Abstract
The utility model discloses an engineering track brake system and an engineering truck thereof. The engineering truck brake system comprises a brake pedal assembly, a brake draw bar and a pull-arm type serial double-cavity brake valve, wherein the pull-arm type double-cavity brake valve is mounted on a longitudinal beam of a frame outside a driving cab of the engineering truck, and the brake pedal assembly is connected with the pull-arm type serial double-cavity brake valve through the brake draw bar. According to the technical scheme, the problem that the serial double-cavity brake valve cannot be mounted on a frame of a long-head air brake model is solved effectively, the shortcoming of poor servo property of the original design which adopts a parallel double-cavity brake valve is overcome well, safety performance of the complete engineering truck is increased and brake operability is improved.
Description
Technical field
The utility model relates to braking technology, relates in particular to the brake system and the engineering truck thereof of engineering truck.
Background technology
Engineering truck is the trunk strength of building engineering, because their appearance just makes the progress multiplication of building engineering, has significantly reduced manpower.Common engineering truck has: heavy goods vehicle, large-scale crane, excavating machine, bulldozer, roller, load wagon, electric power first-aid car, breakdown lorry, cross-country engineering truck, electric welding engineering truck, armored engineering vehicle (combat engineer vehicle) and oxidizer sewage treatment project car etc.
The long engineering truck of compressed air brake of stepping on formula with low side is an example commonly, the employed brake activation valve of the brake system of this engineering truck is the parallel double-chamber brake activation valve, the servo-actuated of this brake activation valve is poor, handles the comparison difficulty, brings a lot of inconvenience for the operating personal of engineering truck.The series connection two-chamber brake activation valve is a kind of brake activation valve that can improve the brake operation performance, improve car load brake safe performance, but owing to less causing of space can't be assembled the series connection two-chamber brake activation valve usually in the operator's compartment of engineering truck.
The utility model content
The utility model provides a kind of brake system and engineering truck thereof of engineering truck, in order to solve defective of the prior art, has improved the servo-actuated of brake system and the safety of car load braking, improves the operating characteristic of braking.
The utility model provides a kind of brake system of engineering truck, comprises brake pedal unit, lever connection and is installed in the draw-arm series connection two-chamber brake activation valve on the chassis side rail outside the engineering truck operator's compartment;
Brake pedal unit links to each other with draw-arm series connection two-chamber brake activation valve by lever connection.
The brake system of aforesaid engineering truck, draw-arm series connection two-chamber brake activation valve comprises: torque arm device and brake activation valve main body;
First end of torque arm device links to each other with lever connection, and second end links to each other with the push rod of brake activation valve main body, is used for the application force of lever connection is converted to the motion of push rod.
The brake system of aforesaid engineering truck, described draw-arm series connection two-chamber brake activation valve is installed on the outer chassis side rail of described engineering truck operator's compartment by mounting bracket.
The brake system of aforesaid engineering truck, described draw-arm series connection two-chamber brake activation valve is installed in the inboard of chassis side rail.
The brake system of aforesaid engineering truck also comprises: inhibiting device;
Inhibiting device is positioned at the braking return direction of torque arm device.
The brake system of aforesaid engineering truck also comprises: be around in the torque arm device around, be used to prevent that foreign object from entering the dust keeper of brake activation valve main body from the torque arm device.
The brake system of aforesaid engineering truck, described brake pedal unit comprises: bonded assembly brake pedal, pedal push rod, pedal pivoted arm successively;
Brake pedal is connected with each other by an end of first adapter shaft and pedal push rod;
The other end of pedal push rod is connected with each other by an end of second adapter shaft and pedal pivoted arm.
The brake system of aforesaid engineering truck, described brake pedal are installed in the front portion, left side in the operator's compartment of described engineering truck by base.
The brake system of aforesaid engineering truck, described brake pedal unit comprises: bonded assembly brake pedal band push rod branch unit, and support successively and sub rocker arm assembly;
Described brake pedal band push rod branch unit links to each other with an end of support and sub rocker arm assembly by its push rod.
The utility model also provides a kind of engineering truck, comprises the brake system that is installed on the vehicle frame, and described brake system adopts the brake system of aforesaid engineering truck.
The brake system of the engineering truck that the utility model provides and engineering truck thereof, by the left longeron installed inside of vehicle frame series connection two-chamber brake activation valve at engineering truck, and the braking maneuver of engineering truck brake pedal is passed to the series connection two-chamber brake activation valve by lever connection, thereby solved because the problem that the restriction of engineering truck body structure can't be installed the series connection two-chamber brake activation valve, improve the servo-actuated of brake system and the safety of car load braking, improved the operating characteristic of braking.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the brake system of the engineering truck that Fig. 1 provides for the utility model embodiment one;
Fig. 2 is the birds-eye view of Fig. 1;
The structural representation of the brake system of the engineering truck that Fig. 3 provides for the utility model embodiment two;
The main pseudosection of the draw-arm series connection two-chamber brake activation valve that Fig. 4 provides for the utility model embodiment two;
Fig. 5 is the left view of Fig. 4.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 provides the structural representation of the brake system of one engineering truck for the utility model embodiment, Fig. 2 is the birds-eye view of Fig. 1., compare between the brake system of this project car and the brake system of existing engineering truck to shown in Figure 2 in conjunction with Fig. 1, comprise pedal assembly 1, lever connection 2, and be arranged on the draw-arm series connection two-chamber brake activation valve 3 on the outer chassis side rail 4 of engineering truck operator's compartment.Wherein, pedal assembly 1 links to each other with draw-arm series connection two-chamber brake activation valve 3 by lever connection 2.
Wherein, the effect of pedal assembly 1 is: receive the braking maneuver that the operator sends, and by lever connection 2 braking maneuver that receives is passed to draw-arm series connection two-chamber brake activation valve 3.
A kind of preferred brake pedal unit 1 structure is provided in the present embodiment, and shown in the frame of broken lines among Fig. 1, this brake pedal unit 1 can comprise: bonded assembly brake pedal 11, pedal push rod 12 and pedal pivoted arm 13 successively.Wherein, brake pedal 11 is connected to each other by first adapter shaft with an end of pedal push rod 12, and brake pedal 11 all can rotate around first adapter shaft with pedal push rod 12.The other end of pedal push rod 12 and pedal pivoted arm 13 are connected to each other by second adapter shaft, and pedal push rod 12 all can rotate around second adapter shaft with pedal pivoted arm 13.Brake pedal 11 can also be installed in front portion, left side in the engineering truck operator's compartment by base 14.Principle of work with brake system of this form brake pedal unit 1 is: as speed-slackening signal, the operator steps on brake pedal 11, because the existence of base 14, brake pedal 11 can drive pedal push rod 12 to the lower-left of paper side shifting, promptly rotate towards the working direction of engineering truck, then driving pedal pivoted arm 13 rotates counterclockwise, pedal pivoted arm 13 drive lever connections 2 move towards the working direction of engineering truck, the torque arm of final drive draw-arm series connection two-chamber brake activation valve 3 is moved towards the working direction of engineering truck, produces braking.
The structural representation of the brake system of the engineering truck that Fig. 3 provides for the utility model embodiment two, be with the difference of embodiment one, shown in the frame of broken lines among Fig. 3, this brake pedal unit 1 can comprise: bonded assembly brake pedal band push rod branch unit 15, and support successively and sub rocker arm assembly 16; This brake pedal band push rod branch unit 15 links to each other with an end of support and sub rocker arm assembly 16 by its push rod 152.Principle of work with brake system of this form brake pedal unit 1 is: the operator steps on brake pedal 151, drive push rod 152 to the lower-left of paper side shifting, and then the V-shape structure that drives support and sub rocker arm assembly 16 rotates counterclockwise, promptly rotate towards the working direction of engineering truck, drive lever connection 2 moves towards the working direction of engineering truck, the final torque arm reach that drives draw-arm series connection two-chamber brake activation valve 3 produces braking.
The main pseudosection of the draw-arm series connection two-chamber brake activation valve that Fig. 4 provides for the utility model embodiment, Fig. 5 is the left view of Fig. 4.To shown in Figure 5, this draw-arm series connection two-chamber brake activation valve 3 comprises: torque arm device 31 and brake activation valve main body 32 in conjunction with Fig. 4.Because brake activation valve main body 32 is identical with series connection two-chamber brake activation valve structure of the prior art, does not give unnecessary details so do not do.
Wherein, first end 311 of torque arm device 31 links to each other with the end of lever connection 2, second end 312 links to each other with the push rod 321 of brake activation valve main body 32, and this torque arm device 31 is used for the application force (being generally horizontal direction) of lever connection 2 is converted to the motion (being generally vertical direction) of push rod 321.Wherein, can on the braking return direction of torque arm device 31, inhibiting device 35 be set, the problem that breaks away from tip-lever support with the push rod 321 that causes because of return is excessive in the process of avoiding torque arm device 31 return after braking, certainly, can also in the zone of reasonableness around the torque arm device 31, one or more multi-form inhibiting device be set.Further, enter brake activation valve main body 32 by torque arm device 31, can also around torque arm device 31, enclose the dust keeper 34 that one deck soft material is formed in order to prevent dust.
This draw-arm series connection two-chamber brake activation valve 3 can be installed on the outer chassis side rail 4 of engineering truck operator's compartment by mounting bracket 33, is preferably mounted at the inboard of sinistral carriage longeron 4.
The working process of the brake system of this project car can comprise:
The brake-force transmission that lever connection 2 receives brake pedal unit 1 is to torque arm device 31, and what torque arm this moment device 31 received is the braking force of horizontal direction;
The push rod 321 that second end 312 promotes coupled brake activation valve main body 32 moves downward, and brake activation valve begins braking;
Concrete braking procedure is identical with the braking procedure of series connection two-chamber brake activation valve in the prior art, does not do herein and gives unnecessary details.The series connection two-chamber brake activation valve is not because two brake circuit disturbs each other mutually, and when lost efficacy in a loop therein, still can work in another loop, effectively guaranteed effective braking of engineering truck.And this all can realize sensitive follow-up control the series connection two-chamber brake activation valve in braking procedure and dispose procedure, thereby has improved the deceleration and stopping performance of engineering truck.
The utility model embodiment provides a kind of engineering truck brake system, by the left longeron installed inside of vehicle frame draw-arm series connection two-chamber brake activation valve at engineering truck, and the braking maneuver of engineering truck brake pedal is passed to draw-arm series connection two-chamber brake activation valve by lever connection, thereby solved because the problem that the restriction of engineering truck body structure can't be installed the series connection two-chamber brake activation valve, improve the servo-actuated of brake system and the safety of car load braking, improved the operating characteristic of braking.
The utility model also provides a kind of engineering truck, comprises the brake system that is installed on the vehicle frame, unlike the prior art be the engineering truck brake system that the brake system of this project car adopts the utility model any embodiment to be provided.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. the brake system of an engineering truck is characterized in that, comprises brake pedal unit (1), lever connection (2) and is installed in the draw-arm series connection two-chamber brake activation valve (3) on the chassis side rail (4) outside the engineering truck operator's compartment;
Brake pedal unit (1) links to each other with draw-arm series connection two-chamber brake activation valve (3) by lever connection (2).
2. the brake system of engineering truck as claimed in claim 1 is characterized in that, draw-arm series connection two-chamber brake activation valve (3) comprising: torque arm device (31) and brake activation valve main body (32);
First end (311) of torque arm device (31) links to each other with lever connection (2), and second end (312) links to each other with the push rod (321) of brake activation valve main body (32), is used for the application force of lever connection (2) is converted to the motion of push rod (321).
3. the brake system of engineering truck according to claim 2 is characterized in that, described draw-arm series connection two-chamber brake activation valve (3) is installed on the outer chassis side rail (4) of described engineering truck operator's compartment by mounting bracket (33).
4. the brake system of engineering truck according to claim 3 is characterized in that, described draw-arm series connection two-chamber brake activation valve (3) is installed in the inboard of chassis side rail (4).
5. the brake system of engineering truck according to claim 2 is characterized in that, also comprises: inhibiting device (35);
Inhibiting device (35) is positioned at the braking return direction of torque arm device (31).
6. the brake system of engineering truck according to claim 2 is characterized in that, also comprises: be around in torque arm device (31) around, be used to prevent that foreign object from entering the dust keeper (34) of brake activation valve main body (32) from torque arm device (31).
7. according to the brake system of each described engineering truck in the claim 1 to 6, it is characterized in that described brake pedal unit (1) comprising: bonded assembly brake pedal (11), pedal push rod (12), pedal pivoted arm (13) successively;
Brake pedal (11) is connected with each other by an end of first adapter shaft and pedal push rod (12);
The other end of pedal push rod (12) is connected with each other by an end of second adapter shaft and pedal pivoted arm (13).
8. the brake system of engineering truck according to claim 7 is characterized in that, described brake pedal (11) is installed in the interior front portion, left side of operator's compartment of described engineering truck by base (14).
9. according to the brake system of each described engineering truck in the claim 1 to 6, it is characterized in that described brake pedal unit (1) comprising: bonded assembly brake pedal band push rod branch unit (15), and support successively and sub rocker arm assembly (16);
Described brake pedal band push rod branch unit (15) links to each other with the end of support with sub rocker arm assembly (16) by its push rod (152).
10. an engineering truck comprises the brake system that is installed on the vehicle frame, it is characterized in that, described brake system adopts the brake system of each described engineering truck in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205929647U CN201842075U (en) | 2010-11-01 | 2010-11-01 | Engineering truck brake system and engineering truck thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205929647U CN201842075U (en) | 2010-11-01 | 2010-11-01 | Engineering truck brake system and engineering truck thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201842075U true CN201842075U (en) | 2011-05-25 |
Family
ID=44036974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205929647U Expired - Fee Related CN201842075U (en) | 2010-11-01 | 2010-11-01 | Engineering truck brake system and engineering truck thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201842075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770758A (en) * | 2013-12-19 | 2014-05-07 | 柳州正菱集团有限公司 | Automobile brake remote control structure |
-
2010
- 2010-11-01 CN CN2010205929647U patent/CN201842075U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770758A (en) * | 2013-12-19 | 2014-05-07 | 柳州正菱集团有限公司 | Automobile brake remote control structure |
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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: 20110525 Termination date: 20171101 |