CN201646701U - Articulated type tractor - Google Patents
Articulated type tractor Download PDFInfo
- Publication number
- CN201646701U CN201646701U CN2010201747584U CN201020174758U CN201646701U CN 201646701 U CN201646701 U CN 201646701U CN 2010201747584 U CN2010201747584 U CN 2010201747584U CN 201020174758 U CN201020174758 U CN 201020174758U CN 201646701 U CN201646701 U CN 201646701U
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- braking system
- air
- brake
- braking
- valve
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Abstract
The utility model discloses an articulated type tractor, which comprises a tractor chassis, wherein the tractor chassis is provided with an air brake braking system and an air supply device which supplies air for the air brake braking system, the air brake braking system comprises an air inflation brake braking system, the air inflation brake braking system comprises a braking pedal, a braking valve, an air inflation quick release valve and a braking air cylinder, the braking air cylinder comprises a driving braking air chamber and a parking braking air chamber which are mutually independent, the braking valve in the air inflation brake braking system is communicated with the driving braking air chamber, and the air brake braking system further comprises an air-break braking system which is parallel with the air inflation brake braking system. The air-break braking system comprises a manual operating valve which is communicated with the air supply device, wherein the manual operating valve is communicated with the parking brake air chamber through pipelines and an air-break braking quick release valve. The articulated type tractor has excellent safety, simple structure, less part number, low production cost and convenient maintenance.
Description
Technical field
The utility model relates to a kind of formula trac. of bowing, the die formula of the bowing trac. of braking system of particularly a kind of band.
Background technology
The common gas braking of the normal employing of the existing formula trac. of bowing system realizes its braking.Common gas braking injects high pressure gas at the driving glancing impact by pipeline, brake activation valve, rapid release valve and drives drg work in brake cylinder, thereby realize bowing the braking of formula trac., but situations such as the pressure of the pipeline of system gas leakage or high pressure gas is on the low side if common gas is stopped, the formula trac. of bowing can not be realized effective braking; The braking during standstill of common gas braking system generally uses under the static fully situation of trac., and common gas braking system mainly realizes by parking brake, and common brake system is at parking brake when there was a mechanical failure, and parking brake is malfunctioning; When break down in any one position such as the air pump in common gas is stopped system, pipeline, brake activation valve, service brake is also malfunctioning, and these all bring very big potential safety hazard.
And the braking system of dying that on large-scale bogie or motor omnibus, adopts at present more problem of potential safety hazard can effectively solve the formula trac. of bowing and adopt above-mentioned common gas braking system the time.The existing braking system of dying is made up of brake operation mechanism, double loop stop mechanism, brake cylinder, drg and Air compressor etc., wherein the brake operation structure comprise that brake pedal, pedal are hung, hand brake valve etc.; The double loop stop mechanism comprises air receiver, brake activation valve, low pressure alarm, barometric regulator, brake pipe, change-over valve, relay valve, rapid release valve and safety valve.And more, its structure more complicated of employed parts in the above-mentioned braking system of dying, take up room greatly, be applicable to the full size vehicle that the space, chassis is bigger more, its make and maintenance cost higher, be not suitable for the small-sized formula of bowing trac..
The utility model content
The purpose of this utility model provides a kind of formula trac. of bowing, the braking system of dying simple in structure, that the formula trac. is bowed in little being applicable to that take up room that this formula trac. of bowing is provided with.
The technical solution of the utility model is: a kind of formula trac. of bowing, comprise tractor chassis, this tractor chassis is provided with gas braking system and to the gas feeder of gas braking system air feed, described gas braking system comprises inflation braking system, this inflation braking system comprises brake pedal, brake activation valve, inflate stop rapid release valve and brake cylinder, described brake cylinder comprises separate service brake air chamber and braking during standstill air chamber, brake activation valve in the described inflation braking system is connected with the service brake air chamber in the described brake cylinder, described gas braking system also comprises the braking system of dying that is arranged in parallel with described inflation braking system, the described braking system of dying comprises the manually operated valve that is connected with described gas feeder, and described manually operated valve passes through pipeline, the rapid release valve of stopping of dying is connected with braking during standstill air chamber in the described brake cylinder.
Described gas feeder comprises air receiver, this air receiver is provided with admission port and exhausr port, described admission port links to each other with air compressor by admission line, check valve, and described exhausr port is communicated with respectively with described braking system and the described inflation braking system of dying.
Described exhausr port is respectively first exhausr port and second series gas port, and described first exhausr port links to each other with described manually operated valve by the downtake pipe road, and described second series gas port is connected with described brake activation valve by the second exhaust pipe road.
Described admission port and described exhausr port coincide.
The admission line that is led to described air receiver by described check valve is provided with compression indicator.
The beneficial effects of the utility model are: the braking system of dying is set on tractor chassis solves the formula trac. of bowing in the prior art and adopt the more problem of common gas braking security of system hidden danger.Adopt the utility model, when the needs braking during standstill, only need the operation manually operated valve and the rapid release valve of stopping of dying, realize that manually operated valve and braking during standstill air chamber are connected with atmosphere, energy stroage spring in the braking during standstill air chamber promotes drg work at this moment, realizes braking during standstill; And when needs are removed braking during standstill, it is isolated with manually operated valve and braking during standstill air chamber and atmosphere at first to operate manually operated valve, guarantee that the whole braking system of dying constitutes bounded system, in pipeline, inject high pressure gas by gas feeder then, high pressure gas enter into the braking during standstill air chamber of brake cylinder through manual maneuvering valve, high pressure gas promote energy stroage spring, and drg is not worked, and this moment, braking during standstill was removed; And when needs service brake or emergency brake, starting brake activation valve by brake pedal, high pressure gas enters the service brake air chamber and promotes drg work through brake activation valve, the inflation rapid release valve of stopping, and finishes service brake; When need were removed service brake, the high pressure gas in the loosen the brake, this moment service brake air chamber and pipeline were discharged through stop rapid release valve and brake activation valve of inflation, service brake this moment air chamber in-to-in pull back spring return, and the drg return is removed service brake.Good, simple in structure, the described number of components of the utility model safety is few, easy to maintenance.
Described gas feeder comprise the admission port that links to each other with air compressor and with die brake apparatus and inflate the exhausr port of stopping and linking to each other, the nonreturn flow that check valve effectively guarantees high pressure gas is set.
Further, exhausr port is arranged to first exhausr port and second series gas port, and is connected with manually operated valve and brake activation valve respectively, can improve the retro-speed of the brake apparatus of dying like this, and reduce the fault rate of the braking system of dying by different pipelines.
Further, admission port and exhausr port coincide, like this can the required pipeline of less connection, reduce production costs.
Further, the pressure that compression indicator can clearly be represented high pressure gas is set on the admission line that leads to air receiver by check valve, can avoids the blindness operation of chaufeur.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3.
The specific embodiment
Embodiment 1:
As shown in Figure 1, the utility model formula trac. of bowing, comprise tractor chassis, on tractor chassis, be provided with gas braking system and to the gas feeder of gas braking system air feed, described gas feeder comprises air receiver 8, be respectively arranged with admission port 81, first exhausr port 82 and second series gas port 83 on the air receiver 8, admission port 81 is connected with air compressor 2 by admission line 20, check valve 3, wherein by belt pulley 1 drive work, the pipeline that is led to air receiver 8 by check valve 3 is provided with compression indicator 4 to air compressor 2 by the driving engine of the formula trac. of bowing; Gas braking system comprises the inflation braking system that is arranged in parallel and the braking system of dying, described inflation braking system comprises stop service brake air chamber in rapid release valve 10 and the brake cylinder 11 of the second exhaust pipe road 22, brake pedal 5, brake activation valve 7, the inflation that are communicated with second series gas port 83, and brake activation valve 7 is by brake pedal 5 controls; The braking system of dying comprises the downtake pipe road 21, the manually operated valve 6 that are communicated with first exhausr port 82, the braking during standstill air chamber in rapid release valve 12 and the brake cylinder 11 stopped of dying, and manually operated valve 6 is provided with the different operating state that " driving " position and " STOP " position correspond respectively to the brake apparatus of dying.
In the present embodiment, when the formula trac. of bowing needs braking during standstill, manually operated valve 7 is removed to the " STOP " position, this moment, manually operated valve 7 was connected with atmosphere, stop by dying rapid release valve 12 of braking during standstill air chamber in the brake cylinder 11 is realized venting fast, energy stroage spring action in the braking during standstill air chamber promotes drg work at this moment, realizes braking during standstill; And when needs are removed braking during standstill, manually operated valve 6 is removed to " driving " position, the stop exhausr port of rapid release valve 12 of manually operated valve 7 and dying is all closed, this moment, manually operated valve 7 did not communicate with atmosphere with braking during standstill air chamber in the brake cylinder 11, this moment the high pressure gas in the air receiver 8 through first exhausr port 82, downtake pipe road 21, manually operated valve 6, the rapid release valve 12 of stopping of dying enters in the braking during standstill air chamber in the brake cylinder 11, high pressure gas compressed energy-storage spring, this moment, drg was not worked, thereby braking during standstill is removed; When needs service brake or emergency brake, directly step on brake pedal 5, this moment, brake activation valve 7 actions made high pressure gas through second series gas port 83, second exhaust pipe road 22, brake activation valve 7, inflating the rapid release valve 10 of stopping enters in the service brake air chamber, high pressure gas promotes drg work, finish service brake, and when trac. need travel again, loosen the brake 5, high pressure gas behind the brake off in service brake air chamber and the pipeline are discharged through inflation rapid release valve 10 and the brake activation valve 7 of stopping, service brake this moment air chamber in-to-in pull back spring return, pulling drg return is removed service brake.
Embodiment 2:
As shown in Figure 2, the difference of itself and embodiment 1 is that an exhausr port 84 only is set, and exhausr port 84 is connected with brake activation valve 7 and manually operated valve 6 by bleeder line 23 on air receiver.
In the present embodiment, bow its braking during standstill of formula trac., braking is removed and service brake is required action is identical with embodiment 1.
Embodiment 3:
As shown in Figure 3, the difference of itself and above-mentioned two embodiment is: a high pressure gas only is set on air receiver imports and exports 85, high pressure gas is imported and exported 85 and is connected with brake activation valve, manually operated valve and check valve respectively by pipeline 24.
In the present embodiment, bow its braking during standstill of formula trac., braking is removed and service brake is required action is identical with embodiment 1.
During concrete enforcement, the braking system of dying in the utility model can be set directly on the existing formula tractor chassis of bowing, the braking system of dying and original common gas braking system are arranged in parallel, need not redesign common gas braking system, can on the basis that guarantees brake safe, be convenient to produce like this.
Claims (5)
1. formula trac. of bowing, comprise tractor chassis, this tractor chassis is provided with gas braking system and to the gas feeder of gas braking system air feed, described gas braking system comprises inflation braking system, this inflation braking system comprises brake pedal, brake activation valve, inflate stop rapid release valve and brake cylinder, it is characterized in that: described brake cylinder comprises separate service brake air chamber and braking during standstill air chamber, brake activation valve in the described inflation braking system is connected with the service brake air chamber in the described brake cylinder, described gas braking system also comprises the braking system of dying that is arranged in parallel with described inflation braking system, the described braking system of dying comprises the manually operated valve that is connected with described gas feeder, and described manually operated valve passes through pipeline, the rapid release valve of stopping of dying is connected with braking during standstill air chamber in the described brake cylinder.
2. the formula trac. of bowing according to claim 1, it is characterized in that: described gas feeder comprises air receiver, this air receiver is provided with admission port and exhausr port, described admission port links to each other with air compressor by admission line, check valve, and described exhausr port is communicated with respectively with described braking system and the described inflation braking system of dying.
3. the formula trac. of bowing according to claim 2, it is characterized in that: described exhausr port is respectively first exhausr port and second series gas port, described first exhausr port links to each other with described manually operated valve by the downtake pipe road, and described second series gas port is connected with described brake activation valve by the second exhaust pipe road.
4. the formula trac. of bowing according to claim 2 is characterized in that: described admission port and described exhausr port coincide.
5. according to claim 2 or the 3 or 4 described formula trac.s of bowing, it is characterized in that: the admission line that is led to described air receiver by described check valve is provided with compression indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201747584U CN201646701U (en) | 2010-04-29 | 2010-04-29 | Articulated type tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201747584U CN201646701U (en) | 2010-04-29 | 2010-04-29 | Articulated type tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646701U true CN201646701U (en) | 2010-11-24 |
Family
ID=43111925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201747584U Expired - Fee Related CN201646701U (en) | 2010-04-29 | 2010-04-29 | Articulated type tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646701U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002859A (en) * | 2014-06-10 | 2014-08-27 | 邓爱娜 | Tractor with hydraulic steering wheel and air-cut brake |
| CN104002783A (en) * | 2014-06-10 | 2014-08-27 | 邓爱娜 | Braking device of tractor |
| CN113830050A (en) * | 2021-10-25 | 2021-12-24 | 丁国林 | Brake system and five-wheel vehicle |
| CN114559915A (en) * | 2022-02-21 | 2022-05-31 | 潍柴雷沃重工股份有限公司 | Tractor trailer double-pipeline gas system and tractor |
-
2010
- 2010-04-29 CN CN2010201747584U patent/CN201646701U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002859A (en) * | 2014-06-10 | 2014-08-27 | 邓爱娜 | Tractor with hydraulic steering wheel and air-cut brake |
| CN104002783A (en) * | 2014-06-10 | 2014-08-27 | 邓爱娜 | Braking device of tractor |
| CN113830050A (en) * | 2021-10-25 | 2021-12-24 | 丁国林 | Brake system and five-wheel vehicle |
| CN114559915A (en) * | 2022-02-21 | 2022-05-31 | 潍柴雷沃重工股份有限公司 | Tractor trailer double-pipeline gas system and tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20120429 |