CN102996069B - Hydraulic oil channel system for jumbolter - Google Patents
Hydraulic oil channel system for jumbolter Download PDFInfo
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- CN102996069B CN102996069B CN201210490365.8A CN201210490365A CN102996069B CN 102996069 B CN102996069 B CN 102996069B CN 201210490365 A CN201210490365 A CN 201210490365A CN 102996069 B CN102996069 B CN 102996069B
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Abstract
The invention relates to a hydraulic oil channel system for a jumbolter. The hydraulic oil channel system for the jumbolter comprises a hydraulic motor, a hydraulic cylinder, a hydraulic motor reversing valve and a hydraulic cylinder reversing valve. The hydraulic oil channel system for the jumbolter is characterized in that the hydraulic motor reversing valve is a three-position four-way reversing valve; an outlet 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 returning pipe; an outlet B' of the hydraulic motor reversing valve is communicated with a cylinder falling oil chamber of the hydraulic cylinder by a cylinder falling assisting oil pipe; an one-way valve is arranged on the cylinder falling assisting oil pipe and is used for preventing hydraulic oil from flowing from the cylinder falling oil chamber of the hydraulic cylinder to the outlet B' of the hydraulic motor reversing valve; an oil inlet P' of the hydraulic motor reversing valve is communicated with an oil tank through a hydraulic motor oil inlet pipe; and an oil returning port T' of the hydraulic motor reversing valve is communicated with the oil tank by the oil returning pipe. The hydraulic oil channel system for the jumbolter has the advantages that the cylinder falling speed can be remarkably raised, and the working efficiency of the jumbolter can be obviously improved.
Description
Technical field
The invention belongs to colliery hydraulic jumbolter technical field, particularly relate to a kind of hydraulic oil pipe system of jumbolter.
Background technology
Hydraulic jumbolter is compared with pneumatic roof bolter, and the large and propelling great efforts to rig of the moment of torsion due to circumgyration incision, have received the favor of colliery system gradually, international and domesticly all developed various types of anchor rod hydraulic jumbolter at present.Hydraulic jumbolter comprises for driving bit to carry out the hydraulic motor that cuts and the hydraulic cylinder for advancing hydraulic pressure motor.Conventional anchor drilling machine hydraulic oil road system comprises the hydraulic cylinder reversal valve for the lifting of hydraulic control cylinder, 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 cylinder state, cylinder state falls in hydraulic cylinder and hydraulic cylinder halted state; Hydraulic motor reversal valve is two-position four way change valve, and two of hydraulic motor reversal valve work as state is hydraulic motor duty and hydraulic motor halted state.As mentioned above, for hydraulic control cylinder working and hydraulic motor work in the hydraulic oil pipe system of conventional anchor rig is the separate oil circuits of two covers, hydraulic cylinder falls cylinder action by the oil transportation of hydraulic cylinder oil inlet pipe to complete merely, hydraulic cylinder falls in 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, mobile degree wastes engineering time, affect programming, so be extremely necessary to research and develop a kind of new oil path control system, with what improve hydraulic cylinder in jumbolter, cylinder speed is fallen.
Summary of the invention
The present invention provides a kind of hydraulic oil pipe system of jumbolter for solving in known technology the technical problem that exists, is intended to solve conventional anchor rig and falls the slow-footed problem of cylinder, make the operating efficiency of jumbolter be further enhanced.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is: a kind of hydraulic oil channel system for jumbolter, comprise the hydraulic motor for rig circumgyration incision, for the hydraulic cylinder of advancing hydraulic pressure motor, for the hydraulic motor reversal valve of hydraulic control motor operations, and for the hydraulic cylinder reversal valve of hydraulic control cylinder working, described hydraulic cylinder comprise its top cylinder oil pocket and its underpart fall and rise 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 cylinder oil pocket and rise 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 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 assists oil pipe to be communicated with the cylinder oil pocket that falls of described hydraulic cylinder by falling cylinder, described fall that cylinder assists oil pipe to be provided with to prevent hydraulic oil from described hydraulic cylinder the one way valve that cylinder oil pocket flows to the outlet B ' of hydraulic motor reversal valve falls, the oil inlet P of described hydraulic motor reversal valve ' be communicated with fuel tank by 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 present invention can also adopt following technical scheme:
Have auxiliary hydraulic cylinder in hydraulic motor reversal valve and fall cylinder working position, on described hydraulic motor reversal valve, the oil inlet P in cylinder working position falls in auxiliary hydraulic cylinder ' be communicated with outlet B '.
Hydraulic cylinder rise cylinder oil pocket arm in parallel with between oil return pipe, the first overflow valve that described arm is connected.
Hydraulic cylinder oil inlet pipe and described hydraulic motor oil inlet pipe are in series with the second overflow valve and the 3rd overflow valve respectively.
The advantage that the present invention has and good effect are: because the present invention adopts as above technical scheme, namely a kind of hydraulic oil pipe system for controlling jumbolter is newly designed, the hydraulic motor reversal valve connected 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, add in hydraulic motor reversal valve for hydraulic cylinder the oil transportation of cylinder oil pocket falls and cylinder working position falls, rationally and dexterously two originally separate cover oil path control systems are combined, effectively increase jumbolter and fall fuel transfer pressure in cylinder process, thus accelerate to fall cylinder speed, the operating efficiency of jumbolter can be significantly improved.
Hydraulic cylinder rise cylinder oil pocket arm in parallel with between oil return pipe, overflow valve that arm is connected, overflow valve can ensure the hydraulic fluid pressure risen in cylinder oil pocket of hydraulic cylinder, avoids hydraulic cylinder rising in cylinder process because pressure is excessive and impaired.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
In figure: 1, hydraulic motor; 2, hydraulic cylinder; 2-1, cylinder oil pocket falls; 2-2, rise 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, fall cylinder and assist oil pipe; 10, one way valve; 11, hydraulic motor oil inlet pipe; 12, the 3rd overflow valve; 13, arm; 14, the first overflow valve.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of hydraulic oil channel system for jumbolter, comprise hydraulic motor 1 and hydraulic cylinder 2, hydraulic motor 1 is 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 the bottom that cylinder oil pocket 2-2 is positioned at hydraulic cylinder 2, the rising cylinder and fall cylinder action for advancing and the drill bit of jumbolter of retracting of hydraulic cylinder 2.Also comprise the hydraulic motor reversal valve 3 worked for hydraulic control motor 1 and the hydraulic cylinder reversal valve 4 worked for hydraulic control cylinder 2, 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, hydraulic cylinder oil inlet pipe 5 to be connected the second overflow valve 8, 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 that hydraulic cylinder rises cylinder working position, cylinder working position falls in hydraulic cylinder and hydraulic cylinder quits work position.Hydraulic cylinder reversal valve 4 is in hydraulic cylinder when rising cylinder working position, and the oil inlet P of hydraulic cylinder reversal valve 4 is communicated with outlet B, and the outlet A of hydraulic cylinder reversal valve 4 is communicated with oil return inlet T; Hydraulic cylinder reversal valve 4 is in hydraulic cylinder when falling cylinder working position, and the oil inlet P of hydraulic cylinder reversal valve 4 is communicated with outlet A, and the outlet B of hydraulic cylinder reversal valve 4 is communicated with oil return inlet T; Hydraulic cylinder reversal valve 4 is in hydraulic cylinder when to quit work, and the oil inlet P of hydraulic cylinder reversal valve 4 is 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 assists oil pipe 9 to be communicated with the cylinder oil pocket 2-1 that falls of hydraulic cylinder 2 by falling cylinder, that falls that cylinder assists oil pipe 9 to be provided with to prevent hydraulic oil from hydraulic cylinder 2 falls the one way valve 10 that cylinder oil pocket 2-1 flows to the outlet B ' of hydraulic motor reversal valve 3, 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 hydraulic motor rotation work position, hydraulic motor quits work position and cylinder working position falls in auxiliary hydraulic cylinder.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 '; Hydraulic motor reversal valve 3 is in hydraulic motor when to quit work, the oil inlet P of hydraulic motor reversal valve 3 ' with oil return inlet T ' is communicated with; Hydraulic motor reversal valve 3 is in auxiliary hydraulic cylinder when falling cylinder working position, the oil inlet P of hydraulic motor reversal valve ' be communicated with outlet B '.
Operating principle
When hydraulic cylinder 2 needs to fall cylinder, hydraulic cylinder reversal valve 4 is in hydraulic cylinder and falls cylinder working position, meanwhile, hydraulic motor reversal valve 3 is in auxiliary hydraulic cylinder and falls cylinder working position, what the hydraulic oil in fuel tank 6 was transported to hydraulic cylinder 2 through hydraulic cylinder oil inlet pipe 5 and hydraulic cylinder reversal valve 4 falls in cylinder oil pocket 2-1, what the hydraulic oil in fuel tank 6 was transported to hydraulic cylinder 2 through hydraulic motor oil inlet pipe 11 and hydraulic motor reversal valve 3 simultaneously falls in cylinder oil pocket 2-1, article two, oil circuit falls fuel feeding in cylinder oil pocket 2-1 simultaneously to hydraulic cylinder 2, the oil pressure in cylinder oil pocket 2-1 that falls of hydraulic cylinder 2 is made to increase, can significantly improve and fall cylinder speed.
In order to avoid hydraulic cylinder 2 is rising in cylinder process because pressure is excessive and impaired, hydraulic cylinder 2 rise cylinder oil pocket 2-2 arm 13 in parallel with between oil return pipe 7, arm 13 to be connected the first overflow valve 14, first overflow valve 14 can ensure the hydraulic fluid pressure risen in cylinder oil pocket 2-2 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 invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design philosophy of the present invention; the various distortion that those skilled in the art make technical scheme of the present invention and improvement, all drop within protection scope of the present invention.
Claims (4)
1. a hydraulic oil channel system for jumbolter, comprise the hydraulic motor (1) for rig circumgyration incision, for the hydraulic cylinder (2) of advancing hydraulic pressure motor (1), for the hydraulic motor reversal valve (3) that hydraulic control motor (1) works, and for hydraulic cylinder reversal valve (4) that hydraulic control cylinder (2) works, 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) assists oil pipe (9) to be communicated with the cylinder oil pocket (2-1) that falls of described hydraulic cylinder (2) by falling cylinder, described fall that cylinder assists oil pipe (9) to be provided with to prevent hydraulic oil from described hydraulic cylinder (2) the one way valve (10) that cylinder oil pocket (2-1) flows to the outlet B ' of hydraulic motor reversal valve (3) falls, 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. hydraulic oil channel system for jumbolter according to claim 1, it is characterized in that: have auxiliary hydraulic cylinder in described hydraulic motor reversal valve (3) and fall cylinder working position, the oil inlet P in cylinder working position falls in the upper auxiliary hydraulic cylinder of described hydraulic motor reversal valve (3) ' be communicated with outlet B '.
3. hydraulic oil channel system for jumbolter according to claim 1, it is characterized in that: described hydraulic cylinder (2) rise arm in parallel (13) between cylinder oil pocket (2-2) with oil return pipe (7), the first overflow valve (14) that described arm is connected.
4. hydraulic oil channel system for jumbolter according to claim 1, is characterized in that: described hydraulic cylinder oil inlet pipe (5) and described hydraulic motor oil inlet pipe (11) are in series with the second overflow valve (8) and the 3rd overflow valve (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210490365.8A CN102996069B (en) | 2012-11-26 | 2012-11-26 | Hydraulic oil channel system for jumbolter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210490365.8A CN102996069B (en) | 2012-11-26 | 2012-11-26 | Hydraulic oil channel system for jumbolter |
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| CN102996069A CN102996069A (en) | 2013-03-27 |
| CN102996069B true CN102996069B (en) | 2015-03-18 |
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| CN201210490365.8A Active CN102996069B (en) | 2012-11-26 | 2012-11-26 | Hydraulic oil channel system for jumbolter |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758802B (en) * | 2014-01-24 | 2016-01-13 | 长沙金阳机械设备科技开发有限公司 | Automatic drill feed liquor pressure control system and operating vehicle |
| CN109458201B (en) * | 2018-11-23 | 2020-10-23 | 晋中学院 | Anti-blocking hydraulic drilling anchor machine with adjustable pressure and flow |
| CN109653724A (en) * | 2018-12-25 | 2019-04-19 | 中国铁建重工集团有限公司 | The control system of airborne anchor rod drilling machine |
Citations (5)
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|---|---|---|---|---|
| CN101538987A (en) * | 2009-04-10 | 2009-09-23 | 赵建宇 | Anchoring drilling machine based on working mode of double-pump complementation automatic merging |
| CN201934087U (en) * | 2010-11-23 | 2011-08-17 | 长沙中联重工科技发展股份有限公司 | Driving control device for rotary drilling rig and rotary drilling rig |
| CN102587825A (en) * | 2012-03-30 | 2012-07-18 | 中煤科工集团重庆研究院 | Linkage hydraulic system for fully hydraulic drilling machine for coal mines |
| CN102606555A (en) * | 2012-03-30 | 2012-07-25 | 中煤科工集团重庆研究院 | Integrated linkage control valve bank for all-hydraulic coal mine drill |
| CN202937181U (en) * | 2012-11-26 | 2013-05-15 | 天津市九方煤矿机械制造有限公司 | Hydraulic oil-way system of anchor rod drilling machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08200308A (en) * | 1995-01-23 | 1996-08-06 | Nabco Ltd | Hydraulic circuit |
| FI115552B (en) * | 2002-11-05 | 2005-05-31 | Sandvik Tamrock Oy | Arrangement for controlling rock drilling |
| FI20030115A (en) * | 2003-01-24 | 2004-07-25 | Sandvik Tamrock Oy | Hydraulic system for quarrying equipment and method for adjusting rock drill power |
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2012
- 2012-11-26 CN CN201210490365.8A patent/CN102996069B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538987A (en) * | 2009-04-10 | 2009-09-23 | 赵建宇 | Anchoring drilling machine based on working mode of double-pump complementation automatic merging |
| CN201934087U (en) * | 2010-11-23 | 2011-08-17 | 长沙中联重工科技发展股份有限公司 | Driving control device for rotary drilling rig and rotary drilling rig |
| CN102587825A (en) * | 2012-03-30 | 2012-07-18 | 中煤科工集团重庆研究院 | Linkage hydraulic system for fully hydraulic drilling machine for coal mines |
| CN102606555A (en) * | 2012-03-30 | 2012-07-25 | 中煤科工集团重庆研究院 | Integrated linkage control valve bank for all-hydraulic coal mine drill |
| CN202937181U (en) * | 2012-11-26 | 2013-05-15 | 天津市九方煤矿机械制造有限公司 | Hydraulic oil-way system of anchor rod drilling machine |
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| CN102996069A (en) | 2013-03-27 |
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