CN202911543U - Walking braking interlocking hydraulic drive device - Google Patents
Walking braking interlocking hydraulic drive device Download PDFInfo
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- CN202911543U CN202911543U CN 201220543705 CN201220543705U CN202911543U CN 202911543 U CN202911543 U CN 202911543U CN 201220543705 CN201220543705 CN 201220543705 CN 201220543705 U CN201220543705 U CN 201220543705U CN 202911543 U CN202911543 U CN 202911543U
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Abstract
The utility model discloses a walking braking interlocking hydraulic drive device. The walking braking interlocking hydraulic drive device is used for a steel-wheel-type swamp buggy for oil exploration. The walking braking interlocking hydraulic drive device is characterized by comprising a duplex hydraulic pressure closed pump, two hydraulic motors, two reducers, a duplex manual operation proportional control reversing valve, two three-way connectors, a brake valve and a hydraulic oil tank. An output shaft of a second hydraulic pump is connected with an input port of a first hydraulic pump. A first proportional control reversing valve is integrated with a second proportional control reversing valve to use a liquid inlet P and an oil drainage port T in common. A control oil port a of the first hydraulic pump is communicated with an oil outlet of the first proportional control reversing valve. Oil outlets of the brake valve are respectively connected with oil inlets of a first reducer and a second reducer through pipelines. The walking braking interlocking hydraulic drive device has the advantages that the interlocking of a walking system and a brake system is achieved, the fact that walking without releasing braking to cause the damage of the reducers is avoided.
Description
Technical field
The utility model relates to the steel wheel formula marsh buggy technical field that oil exploration is used, and particularly the moving device of the hydraulic pressure of steel wheel formula marsh buggy is a kind of walking braking interlock fluid pressure drive device.
Background technology
At present, the type of drive of the steel wheel formula marsh buggy that open-air oil exploration is used is: a hydraulic pressure duplex enclosed pump drives respectively two HM Hydraulic Motor, speed control is controlled respectively duplex hydraulic pressure capacity of pump by a duplex walking maneuvering valve, i.e. flow by motor, thereby the variation of the speed of realization.And the parking of wheeled car is in moving, need auxiliary braking, steel wheel formula marsh buggy CD-ROM drive motor by reductor with transmission of power to running wheel, reductor band brake function, the braking of reductor is removed and is controlled by the another one brake activation valve, brake activation valve is independent mutually with the walking maneuvering valve, carrying out any one function (walking, braking) all is independent of each other, when this will cause braking not remove, the equipment walking causes the reductor wearing and tearing, affects the life-span, especially concerning the operator that equipment is not familiar with, this maloperation of easier generation.
The utility model content
The purpose of this utility model is: a kind of walking braking interlock fluid pressure drive device is provided, can controls braking and walking order, and simple and reliable, stop maloperation, improve service life of equipment.
The technical solution adopted in the utility model is: walking braking interlock fluid pressure drive device, comprise: duplex hydraulic closed pump, two HM Hydraulic Motor, two reductors, manual proportional control change-over valve of duplex, two T-pipe joints, brake activation valve and hydraulic reservoir is characterized in that:
The output shaft of the second Hydraulic Pump 9 is connected with the input port of the first Hydraulic Pump 1, and fixes with bolt; The first proportional control change-over valve 2 and the second proportional control change-over valve 4 form a whole, a public inlet P and a drain tap T.
The control port a1 of the first Hydraulic Pump 1 is communicated with an oil outlet of the first proportional reversing valve 2; The control port b 1 of the first Hydraulic Pump 1 is communicated with another oil outlet of the first proportional reversing valve 2; The control port a2 of the second Hydraulic Pump 9 is communicated with an oil outlet of the second proportional reversing valve 4; The control port b2 of the second Hydraulic Pump 9 is communicated with another oil outlet of the second proportional reversing valve 4; The first proportional control change-over valve 2 links to each other with hydraulic reservoir 12 with the shared drain tap T of the second proportional control change-over valve 4.
The actuator port A1 of the first Hydraulic Pump 1 links to each other with two hydraulic fluid ports of the first HM Hydraulic Motor 11 respectively with actuator port B1; The actuator port A2 of the second Hydraulic Pump 9 links to each other with two hydraulic fluid ports of the second HM Hydraulic Motor 8 respectively with actuator port B2.
The inlet P of the inlet P2 of the first proportional control change-over valve and the second proportional control change-over valve 4 links to each other with the First of the first T-pipe joint 3, second mouthful of the first T-pipe joint 3 links to each other with the liquid outlet P1 mouth of the first Hydraulic Pump 1, the 3rd mouthful of the first T-pipe joint 3 links to each other with the First of the second T-pipe joint 3, second mouthful of liquid outlet P2 with the second Hydraulic Pump 9 of the second T-pipe joint 3 links to each other, and the 3rd mouthful of the second T-pipe joint 3 links to each other with the inlet of brake activation valve 6.
The output shaft of the first HM Hydraulic Motor 11 is connected with the power input shaft of the first reductor 10, and the output shaft of the second HM Hydraulic Motor 8 is connected with the power input shaft of the second reductor 7.
The oil outlet of brake activation valve 6 links to each other by the oil inlet of pipeline with the first reductor 10 and the second reductor 7 respectively.
The oil suction S of the first Hydraulic Pump 1 links to each other with hydraulic reservoir 12 with the oil suction S of the second Hydraulic Pump; The drain tap L1 of the first Hydraulic Pump 1 links to each other with hydraulic reservoir 12 with the drain tap L1 of the second Hydraulic Pump.
The working process of summary walking braking interlock fluid pressure drive device.Consult Fig. 1.Because the first proportional control change-over valve 2 and the second proportional control change-over valve 4 are controlled respectively the first Hydraulic Pump 1 and the second Hydraulic Pump 9, brake activation valve 6 is controlled the drg of the first reductor 10 and the second reductor 7 simultaneously, and the action of the first proportional reversing valve 2 and the second proportional reversing valve 4 also must at first have control hydraulic oil to work, and the first proportional reversing valve 2 and the second proportional reversing valve 4 are not worked when oil pressure is 0.The first proportional reversing valve 2 and the second proportional reversing valve 4 all have control port P and drain tap T, the first proportional reversing valve 2 and the second proportional reversing valve 4 are when meta, the first proportional reversing valve 2 and the second proportional reversing valve 4 internal piloting hydraulic fluid port P and drain tap T are communicated with, control hydraulic oil will directly return hydraulic reservoir 12, such the first proportional reversing valve 2 and the second proportional reversing valve 4 just can not be given the first Hydraulic Pump 1, the second Hydraulic Pump 9 and the first reductor 10 and the second reductor 7 provide control presssure oil, and the folding of the drg of the discharge capacity of the first Hydraulic Pump 1 and the second Hydraulic Pump 9 or the first reductor 10 and the second reductor 7 does not just change.Equipment stops and stays when moving, and brake activation valve 6 directly imports hydraulic reservoir 12 with control presssure oil, by the spring realization braking of itself.
Before the drain tap T of the shared control port P mouth of the first proportional reversing valve 2 and the second proportional reversing valve 4 and brake activation valve 6, the first T-pipe joint 3 and the second T-pipe joint 5 are set respectively, and with a hydralic hose the first T-pipe joint 3 and the second T-pipe joint 5 are coupled together.When stopping brake, the shared control port P of the control port P of brake activation valve 6 and the first proportional reversing valve 2 and the second proportional reversing valve 4 all is communicated with hydraulic reservoir 12, the first proportional reversing valve 2 and the second proportional reversing valve 4 are without control presssure, the discharge capacity of uncontrollable the first Hydraulic Pump 1 and the second Hydraulic Pump 9, the handle of the first proportional reversing valve 2 and the second proportional reversing valve 4 of moving can not produce any action.When only having brake off, control presssure oil enters the drg of the first reductor 10 and the second reductor 7 and brake off by brake activation valve 6, and retentive control pressure setting pressure always, at this moment, the first proportional reversing valve 2 and the second proportional reversing valve 4 just have the discharge capacity of control presssure oil control the first Hydraulic Pump 1 and the second Hydraulic Pump 9, thereby the action of control convenience, and the first proportional reversing valve 2 and the second proportional reversing valve 4 are that control port P is when being communicated with drain tap T, on not impact of braking at meta.
The beneficial effects of the utility model: the utility model walking braking interlock fluid pressure drive device, realize the interlocking of running gear and brake system, avoid not just walking of brake off, cause the damage of reductor.
Description of drawings
Fig. 1 is the utility model walking braking interlock fluid pressure drive device structural representation.
Among the figure, 1-the first Hydraulic Pump, 2-the first proportional control change-over valve, 3-the first T-pipe joint, 4-the second proportional control change-over valve, 5-the second T-pipe joint, 6-brake activation valve, 7-the second reductor, 8-the second HM Hydraulic Motor, 9-the second Hydraulic Pump, 10-the first reductor, 11-the first HM Hydraulic Motor, the 12-hydraulic reservoir.
The specific embodiment
Embodiment 1: take a walking braking interlock fluid pressure drive device as example, the utility model is described in further detail.
Consult Fig. 1.Walking braking interlock fluid pressure drive device comprises: duplex hydraulic closed pump, two HM Hydraulic Motor, two reductors, manual proportional control change-over valve of duplex, two T-pipe joints, brake activation valve and hydraulic reservoir.The model of a duplex Hydraulic Pump is 90R100, the model of a manual proportional control change-over valve of duplex is HC RCM/206, the model of a brake activation valve is GM0233LB10, and the model of two HM Hydraulic Motor is 90M130, and the model of two reductors is RE252230.28.
The output shaft of the second Hydraulic Pump 9 is connected with the input port of the afterbody of the first Hydraulic Pump 1, and is fixed as one with bolt; The first proportional control change-over valve 2 and the second proportional control change-over valve 4 form a whole, a public inlet P and a drain tap T.
The control port a1 of the first Hydraulic Pump 1 is communicated with an oil outlet of the first proportional reversing valve 2; The control port b1 of the first Hydraulic Pump 1 is communicated with another oil outlet of the first proportional reversing valve 2; The control port a2 of the second Hydraulic Pump 9 is communicated with an oil outlet of the second proportional reversing valve 4; The control port b2 of the second Hydraulic Pump 9 is communicated with another oil outlet of the second proportional reversing valve 4; The first proportional control change-over valve 2 links to each other with hydraulic reservoir 12 with the shared drain tap T of the second proportional control change-over valve 4.
The actuator port A1 of the first Hydraulic Pump 1 links to each other with two hydraulic fluid ports of the first HM Hydraulic Motor 11 respectively with actuator port B1; The actuator port A2 of the second Hydraulic Pump 9 links to each other with two hydraulic fluid ports of the second HM Hydraulic Motor 8 respectively with actuator port B2.
The inlet P of the inlet P2 of the first proportional control change-over valve and the second proportional control change-over valve 4 links to each other with the First of the first T-pipe joint 3, second mouthful of the first T-pipe joint 3 links to each other with the liquid outlet P1 mouth of the first Hydraulic Pump 1, the 3rd mouthful of the first T-pipe joint 3 links to each other with the First of the second T-pipe joint 3, second mouthful of liquid outlet P2 with the second Hydraulic Pump 9 of the second T-pipe joint 3 links to each other, and the 3rd mouthful of the second T-pipe joint 3 links to each other with the inlet of brake activation valve 6.
The output shaft of the first HM Hydraulic Motor 11 is connected with the power input shaft of the first reductor 10, and the output shaft of the second HM Hydraulic Motor 8 is connected with the power input shaft of the second reductor 7.
The oil outlet of brake activation valve 6 links to each other by the oil inlet of pipeline with the first reductor 10 and the second reductor 7 respectively.
The oil suction S of the first Hydraulic Pump 1 links to each other with hydraulic reservoir 12 with the oil suction S of the second Hydraulic Pump; The drain tap L1 of the first Hydraulic Pump 1 links to each other with hydraulic reservoir 12 with the drain tap L1 of the second Hydraulic Pump.
Claims (1)
1. walking braking interlock fluid pressure drive device comprises: duplex hydraulic closed pump, two HM Hydraulic Motor, two reductors, manual proportional control change-over valve of duplex, two T-pipe joints, brake activation valve and hydraulic reservoir is characterized in that:
The output shaft of the second Hydraulic Pump (9) is connected with the input port of the first Hydraulic Pump (1), and fixes with bolt; The first proportional control change-over valve (2) forms a whole a public inlet (P) and a drain tap (T) with the second proportional control change-over valve (4);
The control port (a1) of the first Hydraulic Pump (1) is communicated with an oil outlet of the first proportional reversing valve (2); The control port (b1) of the first Hydraulic Pump (1) is communicated with another oil outlet of the first proportional reversing valve (2); The control port (a2) of the second Hydraulic Pump (9) is communicated with an oil outlet of the second proportional reversing valve (4); The control port (b2) of the second Hydraulic Pump (9) is communicated with another oil outlet of the second proportional reversing valve (4); The first proportional control change-over valve (2) links to each other with hydraulic reservoir (12) with the shared drain tap (T) of the second proportional control change-over valve (4);
The actuator port (A1) of the first Hydraulic Pump (1) links to each other with two hydraulic fluid ports of the first HM Hydraulic Motor (11) respectively with actuator port (B1); The actuator port (A2) of the second Hydraulic Pump (9) links to each other with two hydraulic fluid ports of the second HM Hydraulic Motor (8) respectively with actuator port (B2);
The inlet (P) of the inlet of the first proportional control change-over valve (P2) and the second proportional control change-over valve (4) links to each other with the First of the first T-pipe joint (3), second mouthful of the first T-pipe joint (3) mouthful links to each other with the liquid outlet (P1) of the first Hydraulic Pump (1), the 3rd mouthful of First with the second T-pipe joint (3) of the first T-pipe joint (3) links to each other, second mouthful of the second T-pipe joint (3) links to each other with the liquid outlet (P2) of the second Hydraulic Pump (9), and the 3rd mouthful of inlet with brake activation valve (6) of the second T-pipe joint (3) links to each other;
The output shaft of the first HM Hydraulic Motor (11) is connected with the power input shaft of the first reductor (10), and the output shaft of the second HM Hydraulic Motor (8) is connected with the power input shaft of the second reductor (7);
The oil outlet of brake activation valve (6) links to each other with the oil inlet of the first reductor (10) with the second reductor (7) by pipeline respectively;
The oil suction (S) of the first Hydraulic Pump (1) and the oil suction (S) of the second Hydraulic Pump link to each other with hydraulic reservoir (12); The drain tap (L1) of the first Hydraulic Pump (1) and the drain tap (L1) of the second Hydraulic Pump link to each other with hydraulic reservoir (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543705 CN202911543U (en) | 2012-10-23 | 2012-10-23 | Walking braking interlocking hydraulic drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543705 CN202911543U (en) | 2012-10-23 | 2012-10-23 | Walking braking interlocking hydraulic drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202911543U true CN202911543U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220543705 Expired - Fee Related CN202911543U (en) | 2012-10-23 | 2012-10-23 | Walking braking interlocking hydraulic drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202911543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456145A (en) * | 2020-04-14 | 2020-07-28 | 三一重机有限公司 | Parking protection system and excavator |
-
2012
- 2012-10-23 CN CN 201220543705 patent/CN202911543U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456145A (en) * | 2020-04-14 | 2020-07-28 | 三一重机有限公司 | Parking protection system and excavator |
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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: 20130501 Termination date: 20191023 |