CN202937181U - Hydraulic oil-way system of anchor rod drilling machine - Google Patents
Hydraulic oil-way system of anchor rod drilling machine Download PDFInfo
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- CN202937181U CN202937181U CN 201220635523 CN201220635523U CN202937181U CN 202937181 U CN202937181 U CN 202937181U CN 201220635523 CN201220635523 CN 201220635523 CN 201220635523 U CN201220635523 U CN 201220635523U CN 202937181 U CN202937181 U CN 202937181U
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Abstract
The utility model relates to a hydraulic oil-way system of an anchor rod drilling machine. The hydraulic oil-way system comprises a hydraulic motor, a hydraulic cylinder, a hydraulic motor reversing valve and a hydraulic cylinder reversing valve. The hydraulic oil-way system is characterized in that the hydraulic motor reversing valve is a three-position four-way directional control valve, an inlet A' of the hydraulic motor reversing valve is connected with an oil inlet of the hydraulic motor, an oil outlet of the hydraulic motor is connected with an oil return pipe, an outlet B' of the hydraulic motor reversing valve is communicated with a cylinder descending oil cavity of the hydraulic cylinder through a cylinder descending auxiliary oil pipe, a check valve for preventing hydraulic oil from flowing from the cylinder descending oil cavity of the hydraulic cylinder to the outlet B' of the hydraulic motor reversing valve is arranged on the cylinder descending auxiliary oil pipe, an oil inlet P' of the hydraulic motor reversing valve is communicated with an oil tank of an oil inlet pipe of the hydraulic motor, and an oil return port T' of the hydraulic motor reversing valve is communicated with the oil tank through the oil inlet pipe. The hydraulic oil-way system can obviously quicken cylinder descending speed and improve work efficiency of the anchor rod drilling machine.
Description
Technical field
The utility model belongs to colliery hydraulic jumbolter technical field, particularly relates to a kind of hydraulic oil pipe system of jumbolter.
Background technology
Hydraulic jumbolter is compared with pneumatic roof bolter, and is large and to the propelling great efforts of rig due to the moment of torsion of circumgyration incision, and the favor of having received gradually colliery system is international and domesticly all developed various types of anchor rod hydraulic jumbolters at present.Hydraulic jumbolter comprises for driving bit with the hydraulic motor that cuts and the hydraulic cylinder that is used for the advancing hydraulic pressure motor.Tradition jumbolter hydraulic oil pipe system comprises for the hydraulic cylinder reversal valve of controlling the hydraulic cylinder lifting, the hydraulic cylinder reversal valve is three position four-way directional control valve, and three working position states of hydraulic cylinder reversal valve are respectively that hydraulic cylinder rises the cylinder state, cylinder state and hydraulic cylinder halted state fall in hydraulic cylinder; The hydraulic motor reversal valve is two-position four way change valve, and two work of hydraulic motor reversal valve are that state is hydraulic motor duty and hydraulic motor halted state.As mentioned above, what be used for control hydraulic cylinder works and hydraulic motor work in the hydraulic oil pipe system of tradition jumbolter is the two separate oil circuits of cover, hydraulic cylinder falls the cylinder action by the oil transportation of hydraulic cylinder oil inlet pipe to complete merely, hydraulic cylinder falls in the cylinder process, hydraulic motor is halted state, it is slow that cylinder speed falls in hydraulic cylinder, it is long that the cylinder time used falls in hydraulic cylinder, wasted engineering time on mobile degree, affect programming, so extremely be necessary to research and develop a kind of new oil path control system, to improve the cylinder speed of falling of hydraulic cylinder in jumbolter.
Summary of the invention
The utility model provides a kind of hydraulic oil pipe system of jumbolter for solving the technical problem that exists in known technology, be intended to solve traditional jumbolter and fall the slow-footed problem of cylinder, makes the operating efficiency of jumbolter be further enhanced.
the technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of jumbolter hydraulic oil pipe system, comprise the hydraulic motor for the rig circumgyration incision, the hydraulic cylinder that is used for the advancing hydraulic pressure motor, be used for controlling the hydraulic motor reversal valve of hydraulic motor work, and the hydraulic cylinder reversal valve that is used for controlling hydraulic cylinder works, described hydraulic cylinder comprise its top cylinder oil pocket and its underpart fall and rise the cylinder oil pocket, described hydraulic cylinder reversal valve is three position four-way directional control valve, the outlet A of hydraulic cylinder reversal valve and outlet B respectively with the falling the cylinder oil pocket and rise the cylinder oil pocket and be communicated with of hydraulic cylinder, the oil inlet P of described hydraulic cylinder reversal valve is communicated with fuel tank by the hydraulic cylinder oil inlet pipe, the oil return inlet T of described hydraulic cylinder reversal valve is communicated with fuel tank by oil return pipe, described hydraulic motor reversal valve is three position four-way directional control valve, the outlet A ' of described hydraulic motor reversal valve is connected with the oil-in of described hydraulic motor, the oil-out of described hydraulic motor connects oil return pipe, the outlet B ' of described hydraulic motor reversal valve is communicated with the cylinder oil pocket that falls of described hydraulic cylinder by falling the auxiliary oil pipe of cylinder, the described auxiliary oil pipe of cylinder that falls is provided with and prevents that hydraulic oil from falling the cylinder oil pocket to the mobile one way valve of the outlet B ' of hydraulic motor reversal valve from described hydraulic cylinder, the oil inlet P of described hydraulic motor reversal valve ' be communicated with fuel tank by the hydraulic motor oil inlet pipe, the oil return inlet T of described hydraulic motor reversal valve ' be communicated with fuel tank by oil return pipe.
The utility model can also adopt following technical scheme:
Have auxiliary hydraulic cylinder in the hydraulic motor reversal valve and fall the cylinder working position, on described hydraulic motor reversal valve, the oil inlet P in the cylinder working position falls in auxiliary hydraulic cylinder ' be communicated with outlet B '.
Hydraulic cylinder rise arm in parallel between cylinder oil pocket and oil return pipe, series connection the first overflow valve on described arm.
Be in series with respectively the second overflow valve and the 3rd overflow valve on hydraulic cylinder oil inlet pipe and described hydraulic motor oil inlet pipe.
advantage and the good effect that the utlity model has are: because the utility model adopts as above technical scheme, namely design a kind of new hydraulic oil pipe system that is used for controlling jumbolter, the hydraulic motor reversal valve that connects with hydraulic motor in native system adopts three position four-way directional control valve, compare two position three way directional control valve in conventional art, increased in the hydraulic motor reversal valve be used for to hydraulic cylinder cylinder oil pocket oil transportation falls and the cylinder working position falls, rationally and dexterously two separate cover oil path control systems of script are combined, effectively increase jumbolter and fallen fuel transfer pressure in the cylinder process, thereby accelerate to fall cylinder speed, can significantly improve the operating efficiency of jumbolter.
Hydraulic cylinder rise arm in parallel between cylinder oil pocket and oil return pipe, the overflow valve of connecting on arm, overflow valve can guarantee the hydraulic fluid pressure in the cylinder oil pocket of rising of hydraulic cylinder, avoid hydraulic cylinder excessive and impaired because of pressure in rising the cylinder process.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
In figure: 1, hydraulic motor; 2, hydraulic cylinder; 2-1, the cylinder oil pocket falls; 2-2, rise the cylinder oil pocket; 3, hydraulic motor reversal valve; 4, hydraulic cylinder reversal valve; 5, hydraulic cylinder oil inlet pipe; 6, fuel tank; 7, oil return pipe; 8, the second overflow valve; 9, the auxiliary oil pipe of cylinder falls; 10, one way valve; 11, hydraulic motor oil inlet pipe; 12, the 3rd overflow valve; 13, arm; 14, the first overflow valve.
The specific embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
See also Fig. 1, a kind of jumbolter hydraulic oil pipe system, comprise hydraulic motor 1 and hydraulic cylinder 2, hydraulic motor 1 is used for completing the circumgyration incision action of jumbolter, hydraulic cylinder 2 connects with hydraulic motor 1, and hydraulic cylinder 2 comprises and falls cylinder oil pocket 2-1 and rise cylinder oil pocket 2-2, falls the top that cylinder oil pocket 2-1 is positioned at hydraulic cylinder 2, rise cylinder oil pocket 2-2 and be positioned at the bottom of hydraulic cylinder 2, the rising cylinder and fall that the cylinder action is used for advancing and the drill bit of retraction jumbolter of hydraulic cylinder 2.Also comprise for the hydraulic motor reversal valve 3 of controlling hydraulic motor 1 work and be used for controlling the hydraulic cylinder reversal valve 4 that hydraulic cylinder 2 is worked, hydraulic motor reversal valve 3 and hydraulic cylinder reversal valve 4 are three position four-way directional control valve.
The outlet A of hydraulic cylinder reversal valve 4 and outlet B respectively with the falling cylinder oil pocket 2-1 and rise cylinder oil pocket 2-2 and be communicated with of hydraulic cylinder 2, the oil inlet P of hydraulic cylinder reversal valve 4 is communicated with fuel tank 6 by hydraulic cylinder oil inlet pipe 5, the oil return inlet T of hydraulic cylinder reversal valve 4 is communicated with fuel tank 6 by oil return pipe 7, series connection the second overflow valve 8 on hydraulic cylinder oil inlet pipe 5, in the present embodiment, the set pressure of the second overflow valve 8 is 7-8MPa.Three working position states of hydraulic cylinder reversal valve 4 are respectively hydraulic cylinder and rise cylinder working position, hydraulic cylinder and fall cylinder working position and the hydraulic cylinder position that quits work.When hydraulic cylinder reversal valve 4 was in hydraulic cylinder and rises the cylinder working position, the oil inlet P of hydraulic cylinder reversal valve 4 was communicated with outlet B, and the outlet A of hydraulic cylinder reversal valve 4 is communicated with oil return inlet T; When hydraulic cylinder reversal valve 4 was in hydraulic cylinder and falls the cylinder working position, the oil inlet P of hydraulic cylinder reversal valve 4 was communicated with outlet A, and the outlet B of hydraulic cylinder reversal valve 4 is communicated with oil return inlet T; When hydraulic cylinder reversal valve 4 was in hydraulic cylinder and quits work, the oil inlet P of hydraulic cylinder reversal valve 4 was communicated with hydraulic fluid port T.
the outlet A ' of hydraulic motor reversal valve 3 is connected with the oil-in of hydraulic motor 1, the oil-out of hydraulic motor 1 connects oil return pipe 7, the outlet B ' of hydraulic motor reversal valve 3 is communicated with the cylinder oil pocket 2-1 that falls of hydraulic cylinder 2 by falling the auxiliary oil pipe 9 of cylinder, falling the auxiliary oil pipe 9 of cylinder is provided with and prevents that hydraulic oil from falling cylinder oil pocket 2-1 to the mobile one way valve 10 of the outlet B ' of hydraulic motor reversal valve 3 from hydraulic cylinder 2, the oil inlet P of hydraulic motor reversal valve 3 ' be communicated with fuel tank 6 by hydraulic motor oil inlet pipe 11, the oil return inlet T of hydraulic motor reversal valve 3 ' be communicated with fuel tank 6 by oil return pipe 7, series connection the 3rd overflow valve 12 on hydraulic motor oil inlet pipe 11, in the present embodiment, the set pressure of the 3rd overflow valve 12 is 14MPa.Three working position states of hydraulic motor reversal valve 3 are respectively quit work position and auxiliary hydraulic cylinder of hydraulic motor rotation work position, hydraulic motor and fall the cylinder working position.When hydraulic motor reversal valve 3 is in hydraulic motor rotation work position, the oil inlet P of hydraulic motor reversal valve 3 ' be communicated with outlet A '; When hydraulic motor reversal valve 3 is in hydraulic motor and quits work a, oil inlet P of hydraulic motor reversal valve 3 ' with oil return inlet T ' is communicated with; When hydraulic motor reversal valve 3 is in auxiliary hydraulic cylinder and falls the cylinder working position, the oil inlet P of hydraulic motor reversal valve ' be communicated with outlet B '.
Operating principle
when hydraulic cylinder 2 need to fall cylinder, hydraulic cylinder reversal valve 4 is in hydraulic cylinder and falls the cylinder working position, meanwhile, hydraulic motor reversal valve 3 is in auxiliary hydraulic cylinder and falls the cylinder working position, hydraulic oil in fuel tank 6 is transported to falling in cylinder oil pocket 2-1 of hydraulic cylinder 2 through hydraulic cylinder oil inlet pipe 5 and hydraulic cylinder reversal valve 4, hydraulic oil in fuel tank 6 is transported to falling in cylinder oil pocket 2-1 of hydraulic cylinder 2 through hydraulic motor oil inlet pipe 11 and hydraulic motor reversal valve 3 simultaneously, article two, the oil circuit while is to the fuel feeding in cylinder oil pocket 2-1 that falls of hydraulic cylinder 2, make the oil pressure increase in cylinder oil pocket 2-1 of falling of hydraulic cylinder 2, can significantly improve the cylinder speed of falling.
Excessive and impaired because of pressure in rising the cylinder process for fear of hydraulic cylinder 2, hydraulic cylinder 2 rise arm 13 in parallel between cylinder oil pocket 2-2 and oil return pipe 7, series connection the first overflow valve 14 on arm 13, the first overflow valve 14 can guarantee the hydraulic fluid pressure in cylinder oil pocket 2-2 of rising of hydraulic cylinder 2, in the present embodiment, the set pressure of the first overflow valve 14 is 4MPa.
Above-mentioned embodiment is only to functional descriptions of the present utility model; be not that design of the present utility model and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; various distortion and improvement that those skilled in the art make the technical solution of the utility model are within all dropping on protection domain of the present utility model.
Claims (4)
1. jumbolter hydraulic oil pipe system, comprise the hydraulic motor (1) for the rig circumgyration incision, the hydraulic cylinder (2) that is used for advancing hydraulic pressure motor (1), be used for controlling the hydraulic motor reversal valve (3) of hydraulic motor (1) work, and the hydraulic cylinder reversal valve (4) that is used for controlling hydraulic cylinder (2) work, described hydraulic cylinder (2) comprise its top cylinder oil pocket (2-1) and its underpart fall and rise cylinder oil pocket (2-2), described hydraulic cylinder reversal valve (4) is three position four-way directional control valve, the outlet A of hydraulic cylinder reversal valve (4) and outlet B respectively with the falling cylinder oil pocket (2-1) and rise cylinder oil pocket (2-2) and be communicated with of hydraulic cylinder (2), the oil inlet P of described hydraulic cylinder reversal valve (4) is communicated with fuel tank (6) by hydraulic cylinder oil inlet pipe (5), the oil return inlet T of described hydraulic cylinder reversal valve (4) is communicated with fuel tank (6) by oil return pipe (7), it is characterized in that: described hydraulic motor reversal valve (3) is three position four-way directional control valve, the outlet A ' of described hydraulic motor reversal valve (3) is connected with the oil-in of described hydraulic motor (1), the oil-out of described hydraulic motor (1) connects oil return pipe (7), the outlet B ' of described hydraulic motor reversal valve (3) is communicated with the cylinder oil pocket (2-1) that falls of described hydraulic cylinder (2) by falling the auxiliary oil pipe (9) of cylinder, the described auxiliary oil pipe (9) of cylinder that falls is provided with and prevents that hydraulic oil from falling cylinder oil pocket (2-1) to the mobile one way valve (10) of the outlet B ' of hydraulic motor reversal valve (3) from described hydraulic cylinder (2), the oil inlet P of described hydraulic motor reversal valve (3) ' be communicated with fuel tank (6) by hydraulic motor oil inlet pipe (11), the oil return inlet T of described hydraulic motor reversal valve (3) ' be communicated with fuel tank (6) by oil return pipe (7).
2. jumbolter hydraulic oil pipe system according to claim 1, it is characterized in that: have auxiliary hydraulic cylinder in described hydraulic motor reversal valve (3) and fall the cylinder working position, the oil inlet P in the cylinder working position falls in the upper auxiliary hydraulic cylinder of described hydraulic motor reversal valve (3) ' with export B ' and be communicated with.
3. jumbolter hydraulic oil pipe system according to claim 1, it is characterized in that: described hydraulic cylinder (2) rise arm in parallel (13) between cylinder oil pocket (2-2) and oil return pipe (7), series connection the first overflow valve (14) on described arm.
4. jumbolter hydraulic oil pipe system according to claim 1, is characterized in that: be in series with respectively the second overflow valve (8) and the 3rd overflow valve (12) on described hydraulic cylinder oil inlet pipe (5) and described hydraulic motor oil inlet pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635523 CN202937181U (en) | 2012-11-26 | 2012-11-26 | Hydraulic oil-way system of anchor rod drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635523 CN202937181U (en) | 2012-11-26 | 2012-11-26 | Hydraulic oil-way system of anchor rod drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN202937181U true CN202937181U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220635523 Withdrawn - After Issue CN202937181U (en) | 2012-11-26 | 2012-11-26 | Hydraulic oil-way system of anchor rod drilling machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996069A (en) * | 2012-11-26 | 2013-03-27 | 天津市九方煤矿机械制造有限公司 | Hydraulic oil channel system for jumbolter |
| CN108266123A (en) * | 2018-01-22 | 2018-07-10 | 秦皇岛润昌科技开发有限公司 | Petroleum and natural gas exploitation helicoid hydraulic motor surface drive anti-reverse-rotation structure |
| CN109209334A (en) * | 2018-11-30 | 2019-01-15 | 恒天九五重工有限公司 | A method of generating failure when preventing horizontal directional drilling machine from starting |
-
2012
- 2012-11-26 CN CN 201220635523 patent/CN202937181U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996069A (en) * | 2012-11-26 | 2013-03-27 | 天津市九方煤矿机械制造有限公司 | Hydraulic oil channel system for jumbolter |
| CN102996069B (en) * | 2012-11-26 | 2015-03-18 | 天津市九方煤矿机械制造有限公司 | Hydraulic oil channel system for jumbolter |
| CN108266123A (en) * | 2018-01-22 | 2018-07-10 | 秦皇岛润昌科技开发有限公司 | Petroleum and natural gas exploitation helicoid hydraulic motor surface drive anti-reverse-rotation structure |
| CN108266123B (en) * | 2018-01-22 | 2019-10-15 | 秦皇岛润昌科技开发有限公司 | Petroleum and natural gas exploitation helicoid hydraulic motor surface drive anti-reverse-rotation structure |
| CN109209334A (en) * | 2018-11-30 | 2019-01-15 | 恒天九五重工有限公司 | A method of generating failure when preventing horizontal directional drilling machine from starting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130515 Effective date of abandoning: 20150318 |
|
| RGAV | Abandon patent right to avoid regrant |