CN204488780U - A kind of loader brake pump - Google Patents
A kind of loader brake pump Download PDFInfo
- Publication number
- CN204488780U CN204488780U CN201520143574.4U CN201520143574U CN204488780U CN 204488780 U CN204488780 U CN 204488780U CN 201520143574 U CN201520143574 U CN 201520143574U CN 204488780 U CN204488780 U CN 204488780U
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- Prior art keywords
- brake
- piston
- chamber
- stopping
- service
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- Expired - Fee Related
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of loader brake pump, comprise brake pump housing, brake chamber, service brake cavity and stopping brake chamber is provided with in brake pump housing, stopping brake chamber is provided with the 1st piston, stopping brake chamber is divided into stopping brake air storage chamber and the right chamber of stopping brake by the 1st piston, be provided with the 1st push rod on the left of 1st piston, the right side of the 1st piston is provided with main spring; Service brake cavity is provided with rubber cup, and service brake cavity is divided into service brake left chamber and service brake air storage chamber by rubber cup, is provided with auxiliary spring and the 2nd push rod on the left of rubber cup; Brake chamber is provided with the 2nd piston and the 3rd piston, the 1st retracing spring is provided with between 2nd piston and the 3rd piston, the 2nd retracing spring is provided with on the left of 3rd piston, the top of brake chamber is provided with the 1st petrol storage tank and the 2nd petrol storage tank, the centre of brake chamber is provided with the 1st oil outlet, and the left end of brake chamber is provided with the 2nd oil outlet.The utility model braking effect is good, safe and reliable.
Description
Technical field
The utility model relates to a kind of brake pump, particularly relates to a kind of loader brake pump.
Background technology
Existing loader parking brake adopts centre disk type vehicle stopping braking, and brake disc is fixed on transmission shaft, mechanical operation, and this brake gear could can only use after loader comes to a complete stop, if loader uses under steam, very easily causes transmission shaft and vehicle bridge to damage; If loader quality is excessive or stop in acclive place, very easily occur that parking is malfunctioning, easily has an accident.In addition, once handbrake mechanism or transmission shaft failure, brake will be malfunctioning; When driving a vehicle, if any component failure such as air pump, pipeline, air receiver, brake activation valves, brake will be malfunctioning, very easily has an accident.
Summary of the invention
The technical problems to be solved in the utility model: provide a kind of braking effect good, the loader brake pump of use safety.
Technical solution of the present utility model is: a kind of loader brake pump, comprise brake pump housing, be provided with brake chamber, service brake cavity and stopping brake chamber in brake pump housing, service brake cavity is positioned at the left side in stopping brake chamber, and brake chamber is positioned at the left side of service brake cavity, stopping brake chamber is provided with the 1st piston, 1st piston can horizontally slip in stopping brake chamber, stopping brake chamber is divided into stopping brake air storage chamber and the right chamber of stopping brake by the 1st piston, stopping brake air storage chamber is positioned at the left side of the right chamber of stopping brake, stopping brake air storage chamber is provided with stopping brake gas port, be provided with the 1st push rod on the left of 1st piston, the right side of the 1st piston is provided with main spring, service brake cavity is provided with rubber cup, service brake cavity is divided into service brake left chamber and service brake air storage chamber by rubber cup, service brake air storage chamber is positioned at the right side of service brake left chamber, service brake air storage chamber is provided with service brake gas port, is provided with auxiliary spring and the 2nd push rod on the left of rubber cup, brake chamber is provided with the 2nd piston and the 3rd piston, 2nd piston is positioned at the right side of the 3rd piston, 2nd piston and the 3rd piston can in brake chamber sway, the 1st retracing spring is provided with between 2nd piston and the 3rd piston, the 2nd retracing spring is provided with on the left of 3rd piston, the top of brake chamber is provided with the 1st petrol storage tank and the 2nd petrol storage tank, 1st petrol storage tank is positioned at the right side of the 2nd petrol storage tank, 1st petrol storage tank and the 2nd petrol storage tank have passage to communicate with brake chamber, the centre of brake chamber is provided with the 1st oil outlet, the left end of brake chamber is provided with the 2nd oil outlet, 1st oil outlet is between the 1st petrol storage tank and the 2nd petrol storage tank, 2nd push rod can promote the 2nd piston and be moved to the left, and the 1st push rod can promote rubber cup and be moved to the left.
As improvement, between above-mentioned 1st piston and stopping brake cavity wall, be provided with seal ring.
As improvement, the right-hand member of above-mentioned brake pump housing is provided with tapped bore, and tapped bore is provided with adaptive adjustment screw, and adjustment screw can limit the position that the 1st piston moves right.
As improvement, the periphery of the 2nd piston is provided with the 1st shoe cream room, and the periphery of the 2nd piston is provided with the 2nd shoe cream room.
As improvement, stopping brake gas port is communicated with the parking brake valve gas port of parking brake valve, and the parking brake valve admission port of parking brake valve is communicated with the air receiver air extractor duct of air receiver; The Foot braking valve admission port of Foot braking valve is communicated with air receiver air extractor duct, and the Foot braking valve gas port of Foot braking valve is communicated with service brake gas port; 1st oil outlet is communicated with the 1st braking clamp, the 3rd braking clamp, and the 2nd oil outlet is communicated with the 2nd braking clamp, the 4th braking clamp.
Technique effect of the present utility model is: when loader parking, operation the utility model parking brake valve, make the high pressure gas pressure release being positioned at stopping brake air storage chamber, utilize the elastic reset of main spring, promote the 1st piston to be moved to the left, the 1st push rod is made to promote rubber cup, rubber cup drives the 2nd push rod to be moved to the left, 2nd push rod promotes the 2nd piston and is moved to the left, 2nd piston promotes the 3rd piston by the 1st retracing spring and is moved to the left, thus the hydraulic fluid pressure between the 2nd piston and the 3rd piston increases, hydraulic fluid pressure simultaneously on the left of the 3rd piston increases, and then the braking clamp of connection is braked.When loader is driven a vehicle, operation the utility model parking brake valve, make stopping brake air storage chamber and air receiver keep being communicated with, the high pressure gas in air receiver promote main spring and move right, and rubber cup, under the resiliency urged of auxiliary spring, drives the 2nd push rod to move right; 3rd piston moves right under the resiliency urged of the 2nd retracing spring, 2nd piston moves right under the common resiliency urged of the 1st retracing spring and the 2nd retracing spring, thus the hydraulic fluid pressure between the 2nd piston and the 3rd piston reduces, hydraulic fluid pressure simultaneously on the left of the 3rd piston reduces, and then makes the braking clamp brake off of connection.It can thus be appreciated that, adopt spring energy-storage braking to brake with existing parking brake machinery when the utility model loader brake pump stops and there is essential distinction, in addition, the utility model brake is braked by braking clamp, instead of braked by brake disc, good braking effect, use safety, even if loader quality is excessive or stop in acclive place, also there will not be the malfunctioning situation of parking, not easily have an accident, use reliable.The utility model service brake and stopping brake are all braked by a set of braking clamp, and simplified structure, cost is low.
Accompanying drawing explanation
1, Fig. 1 is the utility model loader brake pump structural representation.
In figure: 1, stopping brake air storage chamber, 2, service brake air storage chamber, 3, main spring, 4, 1st push rod, 5, rubber cup, 6, 2nd push rod, 7, auxiliary spring, 8, 2nd piston, 9, 4th pipeline, 11, adjustment screw, 12, parking brake valve, 13, Foot braking valve, 14, air receiver, 15, 3rd piston, 16, 1st retracing spring, 17, 1st braking clamp, 18, 2nd braking clamp, 19, 2nd petrol storage tank, 20, 1st petrol storage tank, 21, 6th pipeline, 22, 5th pipeline, 23, 2nd retracing spring, 24, 3rd pipeline, 25, 2nd pipeline, 26, seal ring, 27, 1st piston, 28, 1st oil outlet, 29, 2nd oil outlet, 30, stopping brake gas port, 31, service brake gas port, 32, the right chamber of stopping brake, 36, air receiver air extractor duct, 37, Foot braking valve admission port, 38, pedal brake valve air gate, 39, 1st shoe cream room, 40, 2nd shoe cream room, 41, threeway, 42, 3rd braking clamp, 43, 4th braking clamp.
Detailed description of the invention
Describe in detail below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of loader brake pump of the utility model, comprise brake pump housing, be provided with brake chamber, service brake cavity and stopping brake chamber in brake pump housing, service brake cavity is positioned at the left side in stopping brake chamber, and brake chamber is positioned at the left side of service brake cavity, stopping brake chamber is provided with the 1st piston 27,1st piston 27 can sway in stopping brake chamber, stopping brake chamber is divided into stopping brake air storage chamber 1 and the right chamber 32 of stopping brake by the 1st piston 27, stopping brake air storage chamber 1 is positioned at the left side of the right chamber 32 of stopping brake, stopping brake air storage chamber 1 is provided with stopping brake gas port 30, the right side being provided with the 1st push rod the 4,1st piston 27 on the left of 1st piston 27 is provided with main spring 3, service brake cavity is provided with rubber cup 5, service brake cavity is divided into service brake left chamber 33 and service brake air storage chamber 2 by rubber cup 5, service brake air storage chamber 2 is positioned at the right side of service brake left chamber 33, service brake air storage chamber 2 is provided with service brake gas port 31, is provided with auxiliary spring 7 and the 2nd push rod 6 on the left of rubber cup 5, brake chamber is provided with the 2nd piston 8 and the 3rd piston 15, 2nd piston 8 is positioned at the right side of the 3rd piston 15, 2nd piston 8 and the 3rd piston 15 can in brake chamber sway, the 1st retracing spring 16 is provided with between 2nd piston 8 and the 3rd piston 15, the 2nd retracing spring 23 is provided with on the left of 3rd piston 15, the top of brake chamber is provided with the 1st petrol storage tank 20 and the 2nd petrol storage tank 19, 1st petrol storage tank 20 is positioned at the right side of the 2nd petrol storage tank 19, 1st petrol storage tank 20 and the 2nd petrol storage tank 19 have passage to communicate with brake chamber, the centre of brake chamber is provided with the 1st oil outlet (28), the left end of brake chamber is provided with the 2nd oil outlet 29, 1st oil outlet 28 is between the 1st petrol storage tank 20 and the 2nd petrol storage tank 19, 2nd push rod 6 can promote the 2nd piston 8 and be moved to the left, and the 1st push rod 4 can promote rubber cup 5 and be moved to the left.Seal ring 26 is provided with between described 1st piston 27 and stopping brake cavity wall.The right-hand member of brake pump housing is provided with tapped bore, and tapped bore is provided with adaptive adjustment screw 11, and adjustment screw 11 can limit the position that the 1st piston 27 moves right.The periphery that the periphery of the 2nd piston 8 is provided with the 1st shoe cream room the 39,2nd piston 15 is provided with the 2nd shoe cream room 40.Stopping brake gas port 30 is communicated with the parking brake valve gas port 34 of parking brake valve 12, and the parking brake valve admission port 35 of parking brake valve 12 is communicated with the air receiver air extractor duct 36 of air receiver 14; The Foot braking valve admission port 37 of Foot braking valve 13 is communicated with air receiver air extractor duct 36, and the Foot braking valve gas port 38 of Foot braking valve 13 is communicated with service brake gas port 31; 1st oil outlet 28 is communicated with the 1st braking clamp 17, the 3rd braking clamp 42, and the 2nd oil outlet 29 is communicated with the 2nd braking clamp 18, the 4th braking clamp 43.
The present embodiment stopping brake gas port 30 is communicated with the parking brake valve air gate 34 of parking brake valve 12 by the 1st pipeline 10, and the parking brake valve admission port 35 of parking brake valve 12 is communicated with the air receiver air extractor duct 36 of air receiver 14 by the 2nd pipeline 25, the 3rd pipeline 24; The Foot braking valve admission port 37 of Foot braking valve 13 is communicated with air receiver air extractor duct 36 by the 3rd pipeline 24, and the pedal brake valve air gate 38 of Foot braking valve 13 is communicated with service brake gas port 31 by the 4th pipeline 9.
When loader is driven a vehicle, operation the utility model parking brake valve, makes stopping brake air storage chamber and air receiver keep being communicated with,
High pressure gas in air receiver enter stopping brake air storage chamber 1 by the 3rd pipeline 24, threeway 41, the 2nd pipeline 25, parking brake valve 12, the 1st pipeline 10, high pressure gas in air receiver promote main spring and move right, rubber cup, under the resiliency urged of auxiliary spring, drives the 2nd push rod to move right; 3rd piston moves right under the resiliency urged of the 2nd retracing spring, 2nd piston moves right under the common resiliency urged of the 1st retracing spring and the 2nd retracing spring, thus the hydraulic fluid pressure between the 2nd piston and the 3rd piston reduces, hydraulic fluid pressure simultaneously on the left of the 3rd piston reduces, and then make the braking clamp brake off of connection, make braking clamp be in off position.When loader stops, operation the utility model parking brake valve, make the high pressure gas pressure release being positioned at stopping brake air storage chamber, utilize the elastic reset of main spring, promote the 1st piston to be moved to the left, the 1st push rod is made to promote rubber cup, rubber cup drives the 2nd push rod to be moved to the left, 2nd push rod promotes the 2nd piston and is moved to the left, 2nd piston promotes the 3rd piston by the 1st retracing spring and is moved to the left, thus the hydraulic fluid pressure between the 2nd piston and the 3rd piston increases, hydraulic fluid pressure simultaneously on the left of the 3rd piston increases, and then the braking clamp of connection is braked, make braking clamp in running order.
The unspecified content of the utility model is prior art, and those skilled in the art can obtain inspiration from the present embodiment and prior art, carries out distortion and obtains other embodiment.Therefore, protection domain of the present utility model should be determined according to the protection domain of claim.
Claims (5)
1. a loader brake pump, comprises brake pump housing, it is characterized in that: be provided with brake chamber, service brake cavity and stopping brake chamber in brake pump housing, service brake cavity is positioned at the left side in stopping brake chamber, and brake chamber is positioned at the left side of service brake cavity, stopping brake chamber is provided with the 1st piston (27), 1st piston (27) can sway in stopping brake chamber, stopping brake chamber is divided into stopping brake air storage chamber (1) and the right chamber of stopping brake (32) by the 1st piston (27), stopping brake air storage chamber (1) is positioned at the left side of the right chamber of stopping brake (32), stopping brake air storage chamber (1) is provided with stopping brake gas port (30), 1st piston (27) left side is provided with the 1st push rod (4), and the right side of the 1st piston (27) is provided with main spring (3), service brake cavity is provided with rubber cup (5), service brake cavity is divided into service brake left chamber (33) and service brake air storage chamber (2) by rubber cup (5), service brake air storage chamber (2) is positioned at the right side of service brake left chamber (33), service brake air storage chamber (2) is provided with service brake gas port (31), and rubber cup (5) left side is provided with auxiliary spring (7) and the 2nd push rod (6), brake chamber is provided with the 2nd piston (8) and the 3rd piston (15), 2nd piston (8) is positioned at the right side of the 3rd piston (15), 2nd piston (8) and the 3rd piston (15) can in brake chamber sway, the 1st retracing spring (16) is provided with between 2nd piston (8) and the 3rd piston (15), 3rd piston (15) left side is provided with the 2nd retracing spring (23), the top of brake chamber is provided with the 1st petrol storage tank (20) and the 2nd petrol storage tank (19), 1st petrol storage tank (20) is positioned at the right side of the 2nd petrol storage tank (19), 1st petrol storage tank (20) and the 2nd petrol storage tank (19) have passage to communicate with brake chamber, the centre of brake chamber is provided with the 1st oil outlet (28), the left end of brake chamber is provided with the 2nd oil outlet (29), 1st oil outlet (28) is positioned between the 1st petrol storage tank (20) and the 2nd petrol storage tank (19), 2nd push rod (6) can promote the 2nd piston (8) and be moved to the left, and the 1st push rod (4) can promote rubber cup (5) and be moved to the left.
2. a kind of loader brake pump according to claim 1, is characterized in that: be provided with seal ring (26) between described 1st piston (27) and stopping brake cavity wall.
3. a kind of loader brake pump according to claim 1 or 2, it is characterized in that: the right-hand member of brake pump housing is provided with tapped bore, tapped bore is provided with adaptive adjustment screw (11), and adjustment screw (11) can limit the position that the 1st piston (27) moves right.
4. a kind of loader brake pump according to claim 3, it is characterized in that: the periphery of the 2nd piston (8) is provided with the 1st shoe cream room (39), the periphery of the 2nd piston (15) is provided with the 2nd shoe cream room (40).
5. a kind of loader brake pump according to claim 4, it is characterized in that: stopping brake gas port (30) is communicated with the parking brake valve gas port (34) of parking brake valve (12), the parking brake valve admission port (35) of parking brake valve (12) is communicated with the air receiver air extractor duct (36) of air receiver (14); The Foot braking valve admission port (37) of Foot braking valve (13) is communicated with air receiver air extractor duct (36), and the Foot braking valve gas port (38) of Foot braking valve (13) is communicated with service brake gas port (31); 1st oil outlet (28) is communicated with the 1st braking clamp (17), the 3rd braking clamp (42), and the 2nd oil outlet (29) is communicated with the 2nd braking clamp (18), the 4th braking clamp (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520143574.4U CN204488780U (en) | 2015-03-14 | 2015-03-14 | A kind of loader brake pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520143574.4U CN204488780U (en) | 2015-03-14 | 2015-03-14 | A kind of loader brake pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204488780U true CN204488780U (en) | 2015-07-22 |
Family
ID=53568055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520143574.4U Expired - Fee Related CN204488780U (en) | 2015-03-14 | 2015-03-14 | A kind of loader brake pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204488780U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673741A (en) * | 2016-04-07 | 2016-06-15 | 聂瑞波 | Brake pump of loader |
| CN110173523A (en) * | 2019-06-21 | 2019-08-27 | 莱州虎威机械科技有限公司 | New brake pump |
| CN110173525A (en) * | 2019-06-21 | 2019-08-27 | 莱州虎威机械科技有限公司 | Brake pump |
| CN115520171A (en) * | 2022-11-10 | 2022-12-27 | 克诺尔车辆设备(苏州)有限公司 | Brake monitoring device and brake system |
-
2015
- 2015-03-14 CN CN201520143574.4U patent/CN204488780U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673741A (en) * | 2016-04-07 | 2016-06-15 | 聂瑞波 | Brake pump of loader |
| CN105673741B (en) * | 2016-04-07 | 2018-04-20 | 聂瑞波 | A kind of loading machine brake pump |
| CN110173523A (en) * | 2019-06-21 | 2019-08-27 | 莱州虎威机械科技有限公司 | New brake pump |
| CN110173525A (en) * | 2019-06-21 | 2019-08-27 | 莱州虎威机械科技有限公司 | Brake pump |
| CN115520171A (en) * | 2022-11-10 | 2022-12-27 | 克诺尔车辆设备(苏州)有限公司 | Brake monitoring device and brake system |
| CN115520171B (en) * | 2022-11-10 | 2023-12-26 | 克诺尔车辆设备(苏州)有限公司 | Brake monitoring device and brake system |
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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: 20150722 Termination date: 20170314 |
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| CF01 | Termination of patent right due to non-payment of annual fee |