CN112758064B - Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle - Google Patents
Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle Download PDFInfo
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- CN112758064B CN112758064B CN202110107071.1A CN202110107071A CN112758064B CN 112758064 B CN112758064 B CN 112758064B CN 202110107071 A CN202110107071 A CN 202110107071A CN 112758064 B CN112758064 B CN 112758064B
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- sliding
- parking brake
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/08—Brake-action initiating means for personal initiation hand actuated
- B60T7/10—Disposition of hand control
- B60T7/101—Disposition of hand control by means of a pull rod
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- Transportation (AREA)
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention relates to a parking brake hydraulic device of an explosion-proof trackless rubber-tyred vehicle, which comprises: the parking brake device comprises a box body, a manual parking valve and a parking brake pipeline controlled by the manual parking valve are sealed in the box body; the first sliding block is arranged on the outer wall of the box body in a sliding manner; the second slider slides and sets up in the inner wall of box body, and the connection is inhaled to magnetism between second slider and the first slider, and the second slider can drive manual parking valve. The operating rod is rotatably arranged on the outer wall of the box body; and two ends of the connecting rod are respectively and rotatably connected with the operating rod and the first sliding block. The screw rod is rotatably arranged on the inner wall of the box body and is in threaded connection with the second sliding block; the third sliding block is arranged on the inner wall of the box body in a sliding mode and is in threaded connection with the screw rod; and the sleeve column is rotationally arranged on the third sliding block, and a handle of the manual parking valve is slidably inserted into the sleeve column. The box can effectively prevent the contact between the inner part of the box and flammable and explosive gas outside the box, and can prevent the accidental swinging of the operating rod, so that the box is safer, more reliable and more labor-saving.
Description
Technical Field
The invention relates to the technical field of hydraulic braking, in particular to a parking braking hydraulic device of an explosion-proof trackless rubber-tyred vehicle.
Background
National colliery safety supervision bureau mine auxiliary transportation management regulation, explosion-proof trackless rubber-tyred car must be wet braking in the pit, and at present domestic wet control system all is formed by various part dispersion installations, and the defect of this kind of mounting means is located: the whole vehicle has a plurality of pipelines and is scattered in arrangement; the installation is complex, the reliability is poor, and the potential safety hazard is more; the maintenance is inconvenient, the workload is large, the structure of the whole vehicle is complex, and the fault monitoring is inconvenient.
Chinese patent CN209274575U discloses "parking brake hydraulic means of explosion-proof trackless rubber-tyred car", its each components and parts integration sets up in the box, the box fuses with the driver's cabin as an organic whole, and convenient operation, the monitoring is timely, and whole device simple structure, the cost is lower, only needs to be connected with each part through the pipeline, and it is convenient to maintain, monitor, only needs whole change when breaking down, is fit for mass production. However, it has the following problems:
the handle of manual valve is mobile to pierce through the outside that the box stretched out the box, can't accomplish completely sealed between box and the handle, the part in the box communicates with the external world, and after external gas entered into the box, if the part in the box produced the spark, aroused the explosion easily.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a parking brake hydraulic device of an explosion-proof trackless rubber-tyred vehicle, which effectively prevents an inner part of a box from contacting flammable and explosive gas outside the box, can prevent an operating rod from accidentally swinging, is safer and more reliable, can drive a handle of a manual parking valve with smaller force, and is more labor-saving.
The technical scheme adopted by the invention for solving the technical problems is as follows:
parking brake hydraulic means of explosion-proof trackless rubber-tyred car includes:
the parking brake device comprises a box body, a manual parking valve and a parking brake pipeline controlled by the manual parking valve are sealed in the box body;
the first sliding block is arranged on the outer wall of the box body in a sliding manner;
the second slider slides and sets up in the inner wall of box body, and the connection is inhaled to magnetism between second slider and the first slider, and the second slider can drive manual parking valve.
Further, the method comprises the following steps:
the operating rod is rotatably arranged on the outer wall of the box body;
and two ends of the connecting rod are respectively and rotatably connected with the operating rod and the first sliding block.
Further, the method comprises the following steps:
the screw rod is rotatably arranged on the inner wall of the box body and is in threaded connection with the second sliding block;
the third sliding block is arranged on the inner wall of the box body in a sliding mode and is in threaded connection with the screw rod;
and the sleeve column is rotationally arranged on the third sliding block, and a handle of the manual parking valve is slidably inserted into the sleeve column.
Furthermore, the screw pitch of the matching section of the screw rod and the second sliding block is larger than that of the matching section of the screw rod and the third sliding block, the screw rod can be driven to rotate by the sliding of the second sliding block, and the third sliding block can be driven to slide by the rotating of the screw rod.
Furthermore, a first slide rail is arranged on the outer wall of the box body, and the first slide block is slidably arranged on the first slide rail; the inner wall of the box body is provided with a second slide rail, and the second slide block is arranged on the second slide rail in a sliding manner; the inner wall of the box body is provided with a third slide rail, and a third slide block is arranged on the third slide rail in a slidable manner.
Further, the method comprises the following steps:
the polygonal shaft is arranged at the joint of the operating rod and the connecting rod, is rotatably connected with the operating rod and is fixedly connected with the connecting rod;
locking piece, slidable installs on the action bars, and the one end of locking piece is provided with the bayonet socket of the fixed multilateral axle of centre gripping.
Furthermore, a spring is arranged between the locking piece and the operating rod, and the spring is a compression spring.
Further, the box body is engineering plastics material, and the wall thickness of the box body between first slider and the second slider is less than the average thickness of box body to guarantee to have sufficient magnetic attraction between first slider and the second slider.
A parking brake method comprising the steps of:
a. the operating rod is pulled up, and the first sliding block slides along the first sliding rail under the driving of the connecting rod;
b. due to the magnetic attraction effect between the first sliding block and the second sliding block, the second sliding block synchronously slides along the second sliding rail along with the first sliding block;
c. the second sliding block drives the screw rod to rotate;
d. the rotating screw rod drives the third sliding block to slide along the third sliding rail;
e. the third sliding block drives a handle of the manual parking valve to swing through the sleeve column, so that the manual parking valve is opened or closed.
A parking brake method comprising the steps of:
before the operating rod is pulled up, the locking piece is pulled up, and the bayonet of the locking piece is separated from the polygonal shaft, so that the operating rod can rotate;
in the process of pulling up the operating rod, the locking piece is always kept to be separated from the polygonal shaft;
after the operating rod is pulled up, the locking piece is loosened, the bayonet of the locking piece clamps the polygonal shaft, and therefore the operating rod is fixed in position and cannot rotate.
The invention has the beneficial effects that:
(1) transmission between the internal and external mechanisms of the box is realized through magnetic attraction, so that complete sealing inside and outside the box is realized, a part which is easy to generate sparks is sealed in the box, and the contact between the part and flammable and explosive gas outside the box is effectively prevented.
(2) Through connecting rod structure and lead screw structure, can drive the handle of manual parking valve with less power, more laborsaving.
(3) The locking device can lock the position of the operating rod, prevent the operating rod from accidentally swinging and is safer and more reliable.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view in one aspect of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic structural view in another aspect of the present invention;
fig. 5 is a cross-sectional view of the present invention.
In the figure:
1. the automatic parking device comprises a box body, 2, a first sliding block, 3, a connecting rod, 4, an operating rod, 5, a spring, 6, a locking piece, 7, a polygonal shaft, 8, a first sliding rail, 9, a second sliding rail, 10, a second sliding block, 11, a manual parking valve, 12, a sleeve column, 13, a third sliding block, 14, a screw rod and 15, wherein the first sliding rail is arranged on the box body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The parking brake hydraulic device of the explosion-proof trackless rubber-tyred vehicle comprises a box body 1, wherein a manual parking valve 11 and a parking brake pipeline controlled by the manual parking valve 11 are sealed in the box body 1, the tail end of the parking brake pipeline extends out of the box body 1 and is communicated with a parking brake, and the box body 1 is connected with the parking brake pipeline in a sealing manner. And, the box body 1 is filled with nitrogen or other inert gases.
The outer wall of box body 1 is provided with first slide rail 8, and first slider 2 slidable sets up on first slide rail 8, and first slider 2 can slide along the length direction of first slide rail 8.
The inner wall of box body 1 is provided with second slide rail 9, second slide rail 9 is located the back of first slide rail 8, second slider 10 slidable sets up on second slide rail 9, second slider 10 can slide along the length direction of second slide rail 9, second slider 10 and first slider 2 facial make-up are equipped with the opposite magnet of magnetism, can inhale through magnetism between second slider 10 and the first slider 2 and connect, the slip of first slider 2 can drive second slider 10 and do the synchronous slip, and, for keeping the magnetic force between second slider 10 and the first slider 2 enough big, box body 1 is the engineering plastics material, the wall thickness of box body 1 between first slider 2 and the second slider 10 is less than the average thickness of box body 1. The second slider 10 is directly connected with the handle of manual parking valve 11, slides first slider 2 in the outside of box body 1, and the inside second slider 10 of box body 1 can follow first slider 2 synchronous slip to drive manual parking valve 11 and carry out the switching action.
For more laborsaving manual parking valve 11 of drive, the outer wall facial make-up of box body 1 is equipped with action bars 4, and the one end and the box body 1 of action bars 4 rotate to be connected, and the other end of action bars 4 is provided with the rotation handle of being convenient for operate, and the centre of action bars 4 is provided with connecting rod 3, and the both ends of connecting rod 3 rotate with action bars 4 and first slider 2 respectively and are connected.
The inner wall of the box body 1 is provided with a rotatable screw rod 14, and the length direction of the screw rod 14 is parallel to the length direction of the first slide rail 8 and the second slide rail 9. The screw 14 is in threaded connection with the second slider 10, and the sliding of the second slider 10 can drive the screw 14 to rotate.
The inner wall of the box body 1 is further provided with a third slide rail 15, the third slide rail 15 and the second slide rail 9 are arranged in a collinear mode, a third slide block 13 can be arranged on the third slide rail 15 in a sliding mode, the third slide block 13 can slide along the length direction of the third slide rail 15, the third slide block 13 is in threaded connection with a lead screw 14, and the lead screw 14 can drive the third slide block 13 to slide through rotation. In order to achieve the effect of saving more labor, a roller screw pair is adopted between the screw rod 14 and the second slider 10, a roller screw pair is also adopted between the screw rod 14 and the third slider 13, and the screw pitch of the matching section of the screw rod 14 and the second slider 10 is greater than that of the matching section of the screw rod 14 and the third slider 13. The third sliding block 13 is provided with a rotatable sleeve column 12, a through hole is formed in the center of the sleeve column 12, and a handle of the manual parking valve 11 is inserted into the through hole in the center of the sleeve column 12 and can freely slide along the axial direction of the handle.
In order to lock the position of the operating rod, the operating rod is further provided with a locking mechanism, and specifically comprises a polygonal shaft 7 which is arranged at the joint of the operating rod 4 and the connecting rod 3, the polygonal shaft 7 can be in a regular hexagon or other regular polygonal shapes, two ends of the polygonal shaft 7 are fixedly connected with the connecting rod 3, and two ends of the polygonal shaft 7 are further rotatably connected with the operating rod 4. Still be provided with slidable locking piece 6 on the action bars 4, locking piece 6 is located the inside of action bars 4, and locking piece 6 is provided with the bayonet socket that can the fixed multilateral axle 7 of centre gripping near the one end of multilateral axle 7. The end of the locking piece 6 far away from the polygonal shaft 7 is provided with a spring 5, the spring 5 is a compression spring, and two ends of the spring 5 are fixedly connected with the locking piece 6 and the operating rod 4 respectively. The spring force of the spring 5 can press the bayonet of the locking piece 6 against the polygonal shaft 7, thereby locking the rotation thereof.
A parking brake method comprising the steps of:
before the operating rod 4 is pulled up, the locking piece 6 is pulled up firstly, and the bayonet of the locking piece 6 is separated from the polygonal shaft 7, so that the operating rod 4 can be rotated.
The operating lever 4 is pulled up, and in the process of pulling up the operating lever 4, the locking member 6 is always kept in a pulled-up state, keeping the locking member 6 disengaged from the polygonal shaft 7.
The first slide block 2 slides along the first slide rail 8 under the driving of the connecting rod 3. Due to the magnetic attraction effect between the first slide block 2 and the second slide block 10, the second slide block 10 slides along the second slide rail 9 synchronously along with the first slide block 2. The second slide 10 drives the screw 14 to rotate. The rotating screw 14 drives the third slide block 13 to slide along the third slide rail 15. The third slider 13 drives the handle of the manual parking valve 11 to swing through the sleeve column 12, so that the manual parking valve 11 is opened or closed. Thereby realizing the turning on or off of the parking brake.
After the operating rod 4 is pulled up, the locking piece 6 is released, and the bayonet of the locking piece 6 clamps and fixes the polygonal shaft 7 under the action of the spring 5, so that the position of the operating rod 4 is fixed, and the operating rod 4 cannot rotate.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. Parking brake hydraulic means of explosion-proof trackless rubber-tyred car, its characterized in that includes:
the parking brake device comprises a box body (1), wherein a manual parking valve (11) and a parking brake pipeline controlled by the manual parking valve (11) are sealed in the box body (1);
the first sliding block (2) is arranged on the outer wall of the box body (1) in a sliding manner;
the second sliding block (10) is arranged on the inner wall of the box body (1) in a sliding mode, the second sliding block (10) is connected with the first sliding block (2) in a magnetic attraction mode, and the second sliding block (10) drives the manual parking valve (11);
the screw rod (14) is rotatably arranged on the inner wall of the box body (1), and the screw rod (14) is in threaded connection with the second sliding block (10);
the third sliding block (13) is arranged on the inner wall of the box body (1) in a sliding mode and is in threaded connection with the screw rod (14);
and the sleeve column (12) is rotationally arranged on the third sliding block (13), and a handle of the manual parking valve (11) is slidably inserted into the sleeve column (12).
2. The parking brake hydraulic device of the explosion-proof trackless rubber-tyred vehicle of claim 1, characterized by comprising:
the operating rod (4) is rotatably arranged on the outer wall of the box body (1);
and two ends of the connecting rod (3) are respectively and rotatably connected with the operating rod (4) and the first sliding block (2).
3. The parking brake hydraulic device for an explosion-proof trackless rubber-tyred vehicle according to claim 1, characterized in that,
the screw pitch of the matching section of the screw rod (14) and the second sliding block (10) is larger than that of the matching section of the screw rod (14) and the third sliding block (13), the sliding of the second sliding block (10) drives the screw rod (14) to rotate, and the screw rod (14) drives the third sliding block (13) to slide.
4. The parking brake hydraulic device for an explosion-proof trackless rubber-tyred vehicle according to claim 1, characterized in that,
a first sliding rail (8) is arranged on the outer wall of the box body (1), and the first sliding block (2) is arranged on the first sliding rail (8) in a sliding manner; a second sliding rail (9) is arranged on the inner wall of the box body (1), and the second sliding block (10) is arranged on the second sliding rail (9) in a sliding manner; the inner wall of the box body (1) is provided with a third sliding rail (15), and the third sliding block (13) is arranged on the third sliding rail (15) in a sliding manner.
5. The parking brake hydraulic device of the explosion-proof trackless rubber-tyred vehicle of claim 2, characterized by comprising:
the polygonal shaft (7) is arranged at the joint of the operating rod (4) and the connecting rod (3), the polygonal shaft (7) is rotatably connected with the operating rod (4), and the polygonal shaft (7) is fixedly connected with the connecting rod (3);
locking piece (6), slidable installs on action bars (4), the one end of locking piece (6) is provided with the bayonet socket of the fixed multilateral axle of centre gripping (7).
6. The parking brake hydraulic device for an explosion-proof trackless rubber-tyred vehicle according to claim 5, characterized in that,
a spring (5) is arranged between the locking piece (6) and the operating rod (4), and the spring (5) is a compression spring.
7. The parking brake hydraulic device for an explosion-proof trackless rubber-tyred vehicle according to claim 1, characterized in that,
the box body (1) is made of engineering plastics, and the wall thickness of the box body (1) between the first sliding block (2) and the second sliding block (10) is smaller than the average thickness of the box body (1) so as to ensure that enough magnetic attraction force exists between the first sliding block (2) and the second sliding block (10).
8. Parking brake method, characterized by comprising the steps of:
a. the operating rod (4) is pulled up, and the first sliding block (2) slides along the first sliding rail (8) under the driving of the connecting rod (3);
b. due to the magnetic attraction effect between the first sliding block (2) and the second sliding block (10), the second sliding block (10) synchronously slides along the second sliding rail (9) along with the first sliding block (2);
c. the second slide block (10) drives the screw rod (14) to rotate;
d. the rotating screw rod (14) drives the third sliding block (13) to slide along the third sliding rail (15);
e. the third sliding block (13) drives a handle of the manual parking valve (11) to swing through the sleeve column (12), so that the manual parking valve (11) is opened or closed.
9. Parking brake method according to claim 8, characterized by comprising the steps of:
before the operating rod (4) is pulled up, the locking piece (6) is pulled up, and a bayonet of the locking piece (6) is separated from the polygonal shaft (7), so that the operating rod (4) can rotate;
in the process of pulling up the operating rod (4), the locking piece (6) is always kept to be separated from the polygonal shaft (7);
after the operating rod (4) is pulled up, the locking piece (6) is loosened, the bayonet of the locking piece (6) clamps the polygonal shaft (7), and therefore the position of the operating rod (4) is fixed, and the operating rod (4) cannot rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110107071.1A CN112758064B (en) | 2021-01-27 | 2021-01-27 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110107071.1A CN112758064B (en) | 2021-01-27 | 2021-01-27 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
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| CN112758064A CN112758064A (en) | 2021-05-07 |
| CN112758064B true CN112758064B (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110107071.1A Active CN112758064B (en) | 2021-01-27 | 2021-01-27 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
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| CN206479875U (en) * | 2017-01-24 | 2017-09-08 | 重庆西山科技股份有限公司 | foot controller sealing structure |
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| CN109027055A (en) * | 2018-07-11 | 2018-12-18 | 中国煤炭科工集团太原研究院有限公司 | One kind being used for the totally-enclosed actuating unit of the electronic rubber-tired cart of coal mine explosion-proof |
| CN109990541A (en) * | 2019-04-23 | 2019-07-09 | 绍兴华宝制冷设备有限公司 | A kind of sealed negative-pressure freezer |
| CN209274575U (en) * | 2018-11-13 | 2019-08-20 | 武汉承天液压机电设备有限公司 | A kind of parking braking hydraulic device of explosion-proof trackless rubber-tyre vehicle |
| CN210391100U (en) * | 2019-06-25 | 2020-04-24 | 深圳市德塔防爆电动汽车有限公司 | Parking control mechanism and system and electric vehicle thereof |
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2021
- 2021-01-27 CN CN202110107071.1A patent/CN112758064B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06206532A (en) * | 1992-12-10 | 1994-07-26 | Robert Bosch Gmbh | Hydraulic automobile brake with skid control device |
| CN101793903A (en) * | 2010-02-10 | 2010-08-04 | 苏州埃兰分析仪器有限公司 | Polymorphic sample universal sampling device |
| RU2457126C1 (en) * | 2011-04-20 | 2012-07-27 | Николай Васильевич Маликов | Method of parking brake action |
| DE102015106144A1 (en) * | 2015-04-22 | 2016-10-27 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Control valve device for a parking brake device for motor vehicles and parking brake device for motor vehicles |
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| CN112758064A (en) | 2021-05-07 |
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