CN203948357U - A kind of jumbolter hydraulic oil pipe system - Google Patents
A kind of jumbolter hydraulic oil pipe system Download PDFInfo
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- CN203948357U CN203948357U CN201420351736.9U CN201420351736U CN203948357U CN 203948357 U CN203948357 U CN 203948357U CN 201420351736 U CN201420351736 U CN 201420351736U CN 203948357 U CN203948357 U CN 203948357U
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- oil hydraulic
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- hydraulic cylinder
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Abstract
The utility model relates to a kind of jumbolter hydraulic oil pipe system, comprise oil hydraulic motor, oil hydraulic cylinder, for controlling the oil hydraulic motor selector valve of oil hydraulic motor work, for controlling oil hydraulic cylinder selector valve, oil inlet pipe, return tube, gear pump and the fuel tank of hydraulic cylinder works, described oil hydraulic motor selector valve is communicated with by the first auxiliary oil pipe with oil hydraulic cylinder selector valve, and the first described auxiliary oil pipe is provided with pressure regulator valve; Described oil inlet pipe and return tube are communicated with by the second auxiliary oil pipe, and the second auxiliary oil pipe is provided with relief valve.Once comprising, the advantage of native system finds that accident potential has automatic cut-out oil circuit function; Can control separately rotation and lifting action; The pressure regulator valve arranging on the first auxiliary oil pipe can carry out according to operating mode the adjustment of cylinder thrust size, in the situation that ensureing that drilling rod is not curved, has maximum rig speed.
Description
Technical field
The utility model relates to colliery drilling equipment technical field, is specifically related to a kind of jumbolter hydraulic oil pipe system.
Background technique
Hydraulic jumbolter compared with pneumatic roof bolter, and propelling great efforts to rig large due to the moment of torsion of circumgyration incision, the favor of having received gradually colliery system, international and domesticly all developed various types of anchor rod hydraulic jumbolters at present.Hydraulic jumbolter comprises for driving bit with the oil hydraulic motor that cuts with for the oil hydraulic cylinder of advancing hydraulic pressure motor.Tradition jumbolter hydraulic oil pipe system comprises the oil hydraulic cylinder selector valve for controlling oil hydraulic cylinder lifting, oil hydraulic cylinder selector valve is three position four-way directional control valve, and three working position states of oil hydraulic cylinder selector valve are respectively that oil hydraulic cylinder rises cylinder state, cylinder state and oil hydraulic cylinder halted state fall in oil hydraulic cylinder; Oil hydraulic motor selector valve is two-position four way change valve, and two work of oil hydraulic motor selector valve are that state is oil hydraulic motor working state and oil hydraulic motor halted state.
Jumbolter is mainly used in bore operation in coal entry anchor rod support, and its load mainly contains the Rock Anti pressure acting on oil cylinder and acts on the rock cutting forces on motor.Due to down-hole complex geologic conditions, roof cracking degree varies, and rock is hard-soft, after roadway excavation, for making top board obtain in time supporting, reduces roof rock detrition, just requires jumbolter penetration rate fast.In boring procedure, jumbolter should be able to be according to load governing speed, moment of torsion, rotating speed, and in the situation of facing a danger, rig can be shut down fast, to ensure operator's safety.But existing jumbolter hydraulic oil pipe system can not meet aforesaid operations requirement.
Summary of the invention
The utility model is for defect of the prior art and deficiency, propose a kind of jumbolter hydraulic system, be intended to solve traditional hydraulic jumbolter and can not automatically cut off oil circuit, control revolution motor and hoist cylinder and adapt to the different problems such as formation hardness and drilling depth separately.
The technical solution of the utility model is:
A kind of jumbolter hydraulic oil pipe system, comprises oil hydraulic motor, oil hydraulic cylinder, for controlling the oil hydraulic motor selector valve of oil hydraulic motor work, for controlling oil hydraulic cylinder selector valve, oil inlet pipe, return tube, gear pump and the fuel tank of hydraulic cylinder works, wherein:
Described oil hydraulic motor selector valve is two position three way directional control valve, which is provided with outlet A ', oil return inlet T ' and oil inlet P ';
Described oil hydraulic cylinder selector valve is three position four-way directional control valve, which is provided with outlet A, outlet B, oil inlet P and oil return inlet T;
The outlet A ' of described oil hydraulic motor selector valve is communicated with the filler opening of described oil hydraulic motor, the oil outlet of described oil hydraulic motor is communicated with return tube, the oil return inlet T of described oil hydraulic motor selector valve ' be communicated with the oil inlet P of described oil hydraulic motor selector valve with return tube ' be communicated with oil inlet pipe;
Described oil hydraulic cylinder comprise its top cylinder oil pocket and its underpart fall and rise cylinder oil pocket, the outlet A of oil hydraulic cylinder selector valve and outlet B respectively with the falling cylinder oil pocket and rise cylinder oil pocket and be communicated with of oil hydraulic cylinder, the oil inlet P of described oil hydraulic cylinder selector valve is communicated with oil inlet pipe, and the oil return inlet T of described oil hydraulic cylinder selector valve is communicated with return tube;
Described oil inlet pipe, gear pump and fuel tank are communicated with successively, and described return tube is communicated with fuel tank.
Preferably, described oil hydraulic motor selector valve is communicated with by the first auxiliary oil pipe with oil hydraulic cylinder selector valve, and the first described auxiliary oil pipe is provided with pressure regulator valve.
Preferably, described oil inlet pipe and return tube are communicated with by the second auxiliary oil pipe, and the second auxiliary oil pipe is provided with relief valve.
The utility model compared with prior art, has following features:
(1) the design uniqueness of system oil-way: once find that accident potential has automatic cut-out oil circuit function, thus guarantee man-machine safety;
(2) can control separately rotation and lifting action, realize stepless speed regulation, automatically reset;
(3), for adapting to different formation hardness and drilling depth, what on the first auxiliary oil pipe, arrange can carry out according to operating mode the adjustment of cylinder thrust size, in the situation that ensureing that drilling rod is not curved, has maximum rig speed;
(4) compact structure, lightweight, guide and support easy to operate.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Each label list in Fig. 1 is shown: 1-gear pump, 2-oil inlet pipe, the auxiliary oil pipe of 3-second, 4-relief valve, 5-oil hydraulic motor selector valve, the auxiliary oil pipe of 6-first, 7-pressure regulator valve, 8-oil hydraulic motor, 9-oil hydraulic cylinder, 10-oil hydraulic cylinder selector valve, 11-return tube, 12-fuel tank.
Below in conjunction with drawings and the specific embodiments, the utility model is elaborated.
Specific embodiment
Below the specific embodiment that inventor provides, so that the technical solution of the utility model is further explained to explanation.
Embodiment 1:
By reference to the accompanying drawings 1, jumbolter hydraulic oil pipe system described in the present embodiment, comprise oil hydraulic motor 8, oil hydraulic cylinder 9, for controlling the oil hydraulic motor selector valve 5 of oil hydraulic motor work, and the oil hydraulic cylinder selector valve 10 of working for controlling oil hydraulic cylinder 9, gear pump 1, oil inlet pipe 2, the second auxiliary oil pipe 3, relief valve 4, the first auxiliary oil pipe 6, pressure regulator valve 7, return tube 11 and fuel tank 12;
Described oil hydraulic motor selector valve 5 is two position three way directional control valve, which is provided with outlet A ', oil return inlet T ' and oil inlet P ';
Described oil hydraulic cylinder selector valve 10 is three position four-way directional control valve, which is provided with outlet A, outlet B, oil inlet P and oil return inlet T;
The outlet A ' of oil hydraulic motor selector valve 5 is communicated with the filler opening of oil hydraulic motor 8, the oil outlet of oil hydraulic motor 8 is communicated with return tube 11, the oil return inlet T of oil hydraulic motor selector valve 5 ' be communicated with the oil inlet P of oil hydraulic motor selector valve 5 with return tube 11 ' be communicated with oil inlet pipe 2;
Oil hydraulic cylinder 9 comprise its top cylinder oil pocket and its underpart fall and rise cylinder oil pocket, the outlet A of oil hydraulic cylinder selector valve 10 and outlet B respectively with the falling cylinder oil pocket and rise cylinder oil pocket and be communicated with of oil hydraulic cylinder 9, the oil inlet P of oil hydraulic cylinder selector valve 10 is communicated with oil inlet pipe 2, and the oil return inlet T of oil hydraulic cylinder selector valve is communicated with return tube 11;
Described oil inlet pipe 2, gear pump 1 and fuel tank 12 are communicated with successively, and described return tube 11 is communicated with fuel tank.
The working principle of this embodiment's system is:
Two working staties of oil hydraulic motor selector valve 5 are oil hydraulic motor rotation work position and the oil hydraulic motor position that quits work:
When oil hydraulic motor 8 is during in rotation work position, the oil inlet P of oil hydraulic motor selector valve 5 ' be communicated with outlet A ';
When oil hydraulic motor 8 is in the time quitting work, the oil inlet P of oil hydraulic motor selector valve 5 ' be communicated with oil outlet T ';
Three working staties of oil hydraulic cylinder 9 are that oil hydraulic cylinder rises cylinder working position, cylinder working position and oil hydraulic cylinder cylinder deactivation work position fall in oil hydraulic cylinder:
When oil hydraulic cylinder 9 is in the time rising cylinder working position, the oil inlet P of oil hydraulic cylinder selector valve 10 is communicated with outlet B, and the outlet A of oil hydraulic cylinder selector valve 10 is communicated with oil return inlet T;
When oil hydraulic cylinder 9 is in the time falling cylinder working position, the oil inlet P of oil hydraulic cylinder selector valve 10 is communicated with outlet A, and the outlet B of oil hydraulic cylinder selector valve 10 is communicated with oil return inlet T;
When oil hydraulic cylinder 9 is during in cylinder deactivation work position, the oil inlet P of oil hydraulic cylinder selector valve 10 is communicated with oil return inlet T.
Described oil hydraulic motor selector valve 5 is communicated with by the first auxiliary oil pipe 6 with oil hydraulic cylinder selector valve 10, the first described auxiliary oil pipe 6 is provided with pressure regulator valve 7, this pressure regulator valve 7 is for adapting to different formation hardness and drilling depth, can carry out according to operating mode the adjustment of cylinder thrust size, make oil cylinder in the situation that drilling rod is not curved, have maximum rig speed, in the present embodiment, the pressure range of pressure regulator valve 7 is 4MPa-7MPa.
Described oil inlet pipe 2 and return tube 11 are communicated with by the second auxiliary oil pipe 3; and the second auxiliary oil pipe 3 is provided with relief valve 4; in the time that the work of creeping into runs into emergency situations; as: when rig rock stratum caves in or drilling rod occurs bending phenomenon, operator are shut-down operation immediately, and at this moment in oil pipe, pressure rises suddenly; by 3 relief valve 4 on the second auxiliary oil pipe to system unloaded; hydraulic oil can directly pass through return tube by the second auxiliary oil pipe 3, thereby rig stops, and has protected operator's safety.
Above-mentioned mode of execution is only to functional descriptions of the present invention; not the spirit and scope of the present invention are limited; do not departing under the prerequisite of design philosophy of the present invention; various distortion and improvement that those skilled in the art make technological scheme of the present invention, within all dropping on protection scope of the present invention.
Claims (3)
1. a jumbolter hydraulic oil pipe system, comprise oil hydraulic motor, oil hydraulic cylinder, for controlling the oil hydraulic motor selector valve of oil hydraulic motor work, for controlling oil hydraulic cylinder selector valve, oil inlet pipe, return tube, gear pump and the fuel tank of hydraulic cylinder works, it is characterized in that:
Described oil hydraulic motor selector valve is two position three way directional control valve, which is provided with outlet A ', oil return inlet T ' and oil inlet P ';
Described oil hydraulic cylinder selector valve is three position four-way directional control valve, which is provided with outlet A, outlet B, oil inlet P and oil return inlet T;
The outlet A ' of described oil hydraulic motor selector valve is communicated with the filler opening of described oil hydraulic motor, the oil outlet of described oil hydraulic motor is communicated with return tube, the oil return inlet T of described oil hydraulic motor selector valve ' be communicated with the oil inlet P of described oil hydraulic motor selector valve with return tube ' be communicated with oil inlet pipe;
Described oil hydraulic cylinder comprise its top cylinder oil pocket and its underpart fall and rise cylinder oil pocket, the outlet A of oil hydraulic cylinder selector valve and outlet B respectively with the falling cylinder oil pocket and rise cylinder oil pocket and be communicated with of oil hydraulic cylinder, the oil inlet P of described oil hydraulic cylinder selector valve is communicated with oil inlet pipe, and the oil return inlet T of described oil hydraulic cylinder selector valve is communicated with return tube;
Described oil inlet pipe, gear pump and fuel tank are communicated with successively, and described return tube is communicated with fuel tank.
2. jumbolter hydraulic oil pipe system as claimed in claim 1, is characterized in that, described oil hydraulic motor selector valve is communicated with by the first auxiliary oil pipe with oil hydraulic cylinder selector valve, and the first described auxiliary oil pipe is provided with pressure regulator valve.
3. jumbolter hydraulic oil pipe system as claimed in claim 1, is characterized in that, described oil inlet pipe and return tube are communicated with by the second auxiliary oil pipe, and the second auxiliary oil pipe is provided with relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351736.9U CN203948357U (en) | 2014-06-27 | 2014-06-27 | A kind of jumbolter hydraulic oil pipe system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351736.9U CN203948357U (en) | 2014-06-27 | 2014-06-27 | A kind of jumbolter hydraulic oil pipe system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948357U true CN203948357U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420351736.9U Expired - Fee Related CN203948357U (en) | 2014-06-27 | 2014-06-27 | A kind of jumbolter hydraulic oil pipe system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203948357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983910A (en) * | 2021-02-22 | 2021-06-18 | 中国煤炭科工集团太原研究院有限公司 | Roofbolter hydraulic control system and roofbolter |
| CN115870839A (en) * | 2023-03-08 | 2023-03-31 | 南京仁厚科技有限公司 | Fiberboard edging processing device |
-
2014
- 2014-06-27 CN CN201420351736.9U patent/CN203948357U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983910A (en) * | 2021-02-22 | 2021-06-18 | 中国煤炭科工集团太原研究院有限公司 | Roofbolter hydraulic control system and roofbolter |
| CN112983910B (en) * | 2021-02-22 | 2022-11-01 | 中国煤炭科工集团太原研究院有限公司 | Roofbolter hydraulic control system and roofbolter |
| CN115870839A (en) * | 2023-03-08 | 2023-03-31 | 南京仁厚科技有限公司 | Fiberboard edging processing device |
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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: 20141119 Termination date: 20160627 |