CN201228364Y - Hydraulic device for controlling mechanical boring machine star wheel movement and walking motor fill oil - Google Patents

Hydraulic device for controlling mechanical boring machine star wheel movement and walking motor fill oil Download PDF

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Publication number
CN201228364Y
CN201228364Y CNU2008200136497U CN200820013649U CN201228364Y CN 201228364 Y CN201228364 Y CN 201228364Y CN U2008200136497 U CNU2008200136497 U CN U2008200136497U CN 200820013649 U CN200820013649 U CN 200820013649U CN 201228364 Y CN201228364 Y CN 201228364Y
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CN
China
Prior art keywords
valve
development machine
hydraulic
oil
star
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008200136497U
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Chinese (zh)
Inventor
牟东
邱兆湘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Heavy Equipment Co Ltd
Sany Heavy Machinery Ltd
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Sany Heavy Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sany Heavy Equipment Co Ltd filed Critical Sany Heavy Equipment Co Ltd
Priority to CNU2008200136497U priority Critical patent/CN201228364Y/en
Application granted granted Critical
Publication of CN201228364Y publication Critical patent/CN201228364Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a hydraulic device for controlling the star wheel movement and the walking motor oil replenishment in a development machine, in particular to the hydraulic device which takes an oil source of the development machine as a power oil and utilizes a hydraulic control element such as a pilot operated directional control valve, etc. so as to control the star wheel movement and the walking motor oil replenishment in the development machine. The hydraulic device comprises a sequence valve, a spillover valve, a star wheel reversing valve, an oil replenishment reversing valve, a retaining valve and a shuttle valve which are installed on a valve body; a star wheel is connected with two oil outlet ends of the star wheel reversing valve in the hydraulic device; and a walking motor is connected with the two oil outlet ends of a walking reversing valve. When the star wheel operates, the pilot operated directional control valve is controlled to reverse, a cutoff system replenishes the oil to the walking motor, and the development machine walks at a low speed; when the star wheel does not operate, hydraulic oil is replenished to the walking motor through the sequence valve, a pilot operated check valve and the retaining valve, so as to realize the fast movement of the development machine. The hydraulic device does not influence the use of other functions and the technical parameters of the original development machine at all, improves the working performance of the development machine, and increases the work efficiency.

Description

A kind of control development machine star-wheel motion and running motor repairing hydraulic means
Technical field
The utility model relates to the hydraulic means of motion of control development machine star-wheel and running motor repairing, be specially a kind of utilize the development machine oil sources as power oil, utilize hydraulic control component, control development machine star-wheel such as pilot operated directional control valve to move and the hydraulic means of running motor repairing.
Background technology
Because development machine is in non-cut coal seam walking states sometimes, in order to improve the operating efficiency of development machine, requires development machine to walk fast.Sometimes be in cut coal seam state, development machine requires can low-speed running.In order to satisfy the different operating modes of driving functional adaptation, need the speed of travel of development machine that certain excursion is arranged.Yet the maximum speed of travel of development machine is the maximum stream flow decision by hydraulic pump.If adopt the hydraulic pump of big discharge capacity or the Oil pump electrical machinery of employing high-power and high-speed, though can satisfy above-mentioned requirements, will certainly increase the power of cost, increase structure, increase Oil pump electrical machinery, cause waste.
The utility model content
The purpose of this utility model is to provide a kind of control development machine star-wheel motion and running motor repairing hydraulic means, speed of travel when this device can increase substantially the non-cut of development machine coal seam walking states, improve the efficient of development machine greatly, saved expense, optimized structure.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of control development machine star-wheel motion and running motor repairing hydraulic means, this hydraulic means is installed on the development machine, is provided with the sequence valve, overflow valve, star-wheel reversal valve, repairing reversal valve, one way valve, the shuttle valve that are installed on the valve body; The oil-in of valve body is divided into two oil circuits: the pipeline of leading up to is connected to the star-wheel reversal valve, output through the star-wheel reversal valve is connected to development machine star-wheel motor, two outputs of star-wheel reversal valve are connected to the input of shuttle valve respectively simultaneously, and the output of shuttle valve is connected to control port place of repairing reversal valve through damping hole; Another road is connected to the repairing reversal valve through sequence valve, and the output of repairing reversal valve is connected to the walking reversal valve through one way valve, by the walking reversal valve output be connected on the oil inlet and oil return road of development machine running motor.
The hydraulic means of described control development machine star-wheel motion and running motor repairing is parallel with overflow valve on in-line.
Described control development machine star-wheel motion and running motor repairing hydraulic means, running motor is connected to the development machine banked direction control valves.
The beneficial effects of the utility model are:
1, the utility model device is to utilize the development machine oil sources as power oil, utilize the control element of pilot operated directional control valve as control running motor repairing and star-wheel motion, star-wheel connects two oil outlet ends of the star-wheel reversal valve in this device, running motor connects the development machine banked direction control valves, connect two oil outlet ends of the walking reversal valve in this device simultaneously, realize advancing fast and proceeding slowly of development machine by the repairing of controlling running motor.The utility model is design improvement on the basis of original development machine, and the use of former other functions of development machine and technical data have been improved development machine performance and efficient greatly without any influence, has saved cost of production.
2, this practical hydraulic means adopts the element that meets Chinese coal safety (MA) authentication, can directly use under coal mine.
3, the utility model is installed on the development machine, and all valve elements all are installed on the valve body, as the reversing arrangement of motion of development machine star-wheel and running motor repairing.
4, the utility model is provided with overflow valve on in-line, limits the maximum working pressure of this device, shields, and prevents overload.
5, the utility model is provided with sequence valve on in-line, sets up pressure, closes the repairing oil circuit of running motor, and the star-wheel motor can normally be moved.
Description of drawings
Fig. 1 is the utility model device hydraulic schematic diagram.
Fig. 2-Fig. 7 is the utility model setting drawing; Wherein, Fig. 2 is a upward view; Fig. 3 is a right view; Fig. 4 is a front view; Fig. 5 is a left view; Fig. 6 is a rear elevation; Fig. 7 is a vertical view.
Among the figure: 1, shuttle valve; 2, star-wheel reversal valve; 3, damping hole; 4, walking reversal valve; 5, one way valve; 6, repairing reversal valve; 7, sequence valve; 8, overflow valve; 9, valve body; 10, running motor; 11, star-wheel motor; 12, development machine banked direction control valves.
The specific embodiment
Below in conjunction with accompanying drawing and example the utility model is further specified.
Shown in Fig. 1-7, this hydraulic means is installed on the development machine, is provided with the sequence valve 7, overflow valve 8, star-wheel reversal valve 2, repairing reversal valve 6, one way valve 5, the shuttle valve 1 that are installed on the valve body 9.Hydraulic oil enters in the valve body 9 through oil-in (P mouth), the pipeline of leading up to is connected to star-wheel reversal valve 2 (pilot operated directional control valve), output terminals A 1, B1 through star-wheel reversal valve 2 are connected to star-wheel motor 11, two outputs of star-wheel reversal valve 2 are connected to the input of shuttle valve 1 respectively simultaneously, the output of shuttle valve 1 is connected to control port place of repairing reversal valve 6 through damping hole 3, realizes commutation; Another road is connected to repairing reversal valve 6 through sequence valve 7, the output of repairing reversal valve 6 is connected to walking reversal valve 4 through one way valve 5, output terminals A 2, B2 by walking reversal valve 4 are connected on the oil inlet and oil return road of running motor 10, running motor 10 connects development machine banked direction control valves 12 simultaneously, realizes advancing fast of development machine.In the utility model, on in-line, be parallel with overflow valve 8.
The utility model hydraulic principle is as follows:
As shown in Figure 1, P mouth (hydraulic oil oil-in) is total oil-in of this hydraulic means.Be connected in parallel on overflow valve 8 on the in-line and define the maximum working pressure of this device, prevent overload, its protective effect.When 2 commutations of star-wheel reversal valve, when input pressure was lower than 1MPa, sequence valve 7 was in closed condition, and pressure oil outputs to star-wheel motor 11 through star-wheel reversal valve 2,11 motions of star-wheel motor, and running motor 10 not repairings, development machine proceeds slowly; At input pressure during greater than 1MPa, pressure oil is exported to star-wheel motor 11 through star-wheel reversal valve 2, the pressure oil of shuttle valve 1 output is through shuttle valve 1 and 6 commutations of damping hole 3 decompression control repairing reversal valves, cutoff pressure oil is to running motor 10 repairings, one way valve 5 prevents that the pressure oil in running motor 10 oil circuits is back to fuel tank by this device, star-wheel motor 11 motions this moment, development machine proceeds slowly.When star-wheel reversal valve 2 at meta, star-wheel motor 11 is motionless, pressure oil inputs to walking reversal valve 4 by sequence valve 7 through repairing reversal valve 6, the commutation of walking reversal valve 4 to running motor 10 repairings, realizes advancing fast of development machine.In the utility model, the commutation of star-wheel reversal valve 2 is operated by operating grip a5, b5.
Adopt the utility model not increasing cost, reduce under the prerequisite of unnecessary waste, on original system, improve.The pressure oil supply running motor of the oil circuit when utilization does not move the star-wheel motor has been realized the quick walking and the low-speed running of development machine, has saved expense, has improved the efficient of development machine.In the utility model, operation when the repairing function of motion of the star-wheel of development machine and running motor is different.

Claims (3)

1, a kind of control development machine star-wheel motion and running motor repairing hydraulic means, it is characterized in that: this hydraulic means is installed on the development machine, is provided with the sequence valve, overflow valve, star-wheel reversal valve, repairing reversal valve, one way valve, the shuttle valve that are installed on the valve body; The oil-in of valve body is divided into two oil circuits: the pipeline of leading up to is connected to the star-wheel reversal valve, output through the star-wheel reversal valve is connected to development machine star-wheel motor, two outputs of star-wheel reversal valve are connected to the input of shuttle valve respectively simultaneously, and the output of shuttle valve is connected to control port place of repairing reversal valve through damping hole; Another road is connected to the repairing reversal valve through sequence valve, and the output of repairing reversal valve is connected to the walking reversal valve through one way valve, by the walking reversal valve output be connected on the oil inlet and oil return road of development machine running motor.
2, according to motion of the described control development machine of claim 1 star-wheel and running motor repairing hydraulic means, it is characterized in that: on in-line, be parallel with overflow valve.
3, according to motion of the described control development machine of claim 1 star-wheel and running motor repairing hydraulic means, it is characterized in that: running motor is connected to the development machine banked direction control valves.
CNU2008200136497U 2008-06-25 2008-06-25 Hydraulic device for controlling mechanical boring machine star wheel movement and walking motor fill oil Expired - Fee Related CN201228364Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200136497U CN201228364Y (en) 2008-06-25 2008-06-25 Hydraulic device for controlling mechanical boring machine star wheel movement and walking motor fill oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200136497U CN201228364Y (en) 2008-06-25 2008-06-25 Hydraulic device for controlling mechanical boring machine star wheel movement and walking motor fill oil

Publications (1)

Publication Number Publication Date
CN201228364Y true CN201228364Y (en) 2009-04-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200136497U Expired - Fee Related CN201228364Y (en) 2008-06-25 2008-06-25 Hydraulic device for controlling mechanical boring machine star wheel movement and walking motor fill oil

Country Status (1)

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CN (1) CN201228364Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865173A (en) * 2010-07-21 2010-10-20 胡斌杰 Hydraulic motor control valve
CN102748335A (en) * 2012-07-02 2012-10-24 三一重型装备有限公司 Hydraulic system and heading machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865173A (en) * 2010-07-21 2010-10-20 胡斌杰 Hydraulic motor control valve
CN101865173B (en) * 2010-07-21 2012-11-21 胡斌杰 Hydraulic motor control valve
CN102748335A (en) * 2012-07-02 2012-10-24 三一重型装备有限公司 Hydraulic system and heading machine
CN102748335B (en) * 2012-07-02 2016-04-06 三一重型装备有限公司 A kind of hydraulic system and development machine

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090429

Termination date: 20140625

EXPY Termination of patent right or utility model