CN205026257U - Colliery rig and pipe joints thereof - Google Patents
Colliery rig and pipe joints thereof Download PDFInfo
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- CN205026257U CN205026257U CN201520790819.2U CN201520790819U CN205026257U CN 205026257 U CN205026257 U CN 205026257U CN 201520790819 U CN201520790819 U CN 201520790819U CN 205026257 U CN205026257 U CN 205026257U
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- mandrel
- oil
- annular groove
- tee union
- oil connection
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Abstract
The utility model discloses a hydraulic system's pipe joints, including a dabber that is used for and advances the oil pipe switch -on and a three way connection who puts through with an oil pipe, the three way connection cover is located the inside annular groove that is provided with in junction that dabber periphery and dabber sealing connection, dabber and three way connection are connected, central oil duct and annular groove in the dabber communicate, two outsides of annular groove rotatable sealing connection all and between three way connection's the inner wall. The rotatable sealing connection of annular groove and three way connection inner wall to because its loop configuration and rotatable sealing connecting structure, it can free relatively rotating to guarantee between dabber and the three way connection, has guaranteed that this kind of pipe joints's the oil pipe that advances says and goes out oil pipe and can carry out free follow -up between saying and rotate, avoids fixed oil pipe because the folding and condition of damage of motion repeatedly. The utility model also discloses a colliery rig that has been including having adopted this kind of pipe joints's hydraulic system.
Description
Technical field
The utility model relates to colliery digging equipment technical field, more particularly, relates to a kind of oil connection, also relates to a kind of coal mine drilling machine comprising this oil connection.
Background technique
Rig is in geologic prospecting, drives drilling tool to creep into underground, obtains the machinery of geologic information in kind also known as drilling rig.Main Function drives drilling tool broken hole bed rock stone, under enter or propose the drilling tool in hole.Can be used for drilling through rock core, the ore deposit heart, landwaste, gaseous state sample, liquid sample etc., to verify the situation such as subsurface geology and mineral resources.
For example, all hydraulic caterpillar coal mine gallery drilling rig is summing up the novel integrated crawler belt all-hydraulic tunnel drilling rig that domestic and international advanced rig basis is developed.The novel mechanisms such as rig adopts imported hydraulic system, steel making mine crawler body, the three-dimensional articulated telescopic of all-hydraulic power head.Have torque high, stepless speed regulation, all-dimensional multi-angle boring perforate quick position, feed and rise the ability of pulling out large, simple to operate, flexibility and reliability, labor intensity is low, working efficiency high.Mainly be applicable to colliery and non-coal mine down-hole aqueous vapor.
But at employing hydraulic pressure as in the drilling equipment of power, there are some problems of making troubles to production work toward contact in hydraulic system.Inventor finds, various pipeline in hydraulic system and joint major part are all that position is fixed dead, when needs carry out certain activity, common design is all adopt soft oil pipe, soft oil pipe can not meet the demand of device action completely in some cases, in such as a lot of situation, what soft oil pipe mated is all fixing joint, in this case, the pipeline that long work is easy to the joint of causing oil pipe and other equipment connections is folding tired, produces the situation of the damaged leakage of oil of pipeline etc. further.
In sum, how effectively solving the problems such as the easy breakage in oil pipe joint in the hydraulic system of rig, is current those skilled in the art's urgent problem.
Model utility content
In view of this, first object of the present utility model is to provide a kind of oil connection, the structural design of this oil connection can solve the problems such as the easy breakage in oil pipe joint in the hydraulic system of rig effectively, and second object of the present utility model is to provide a kind of coal mine drilling machine comprising above-mentioned oil connection.
In order to reach above-mentioned first object, the utility model provides following technological scheme:
A kind of oil connection for hydraulic system, comprise for the mandrel connected with oil inlet pipe and the tee union connected with oil outlet tube, described tee union is sheathed on described mandrel periphery and is connected with described stem seal, the inside, joint that described mandrel is connected with described tee union is provided with annular groove, central oil passage in described mandrel is communicated with described annular groove, and between the equal and inwall of described tee union in two outsides of described annular groove, rotatable sealing is connected.
Preferably, in above-mentioned oil connection, two outsides of described annular groove are provided with seal groove, and be provided with O-ring seals in described seal groove, described O-ring seals contacts with the inner wall sealing of described tee union.
Preferably, in above-mentioned oil connection, described mandrel is provided with the shaft shoulder structure withstanding described tee union edge, described mandrel is provided with the jump ring for holding out against described tee union opposite side edge away from the side of described shaft shoulder structure.
Preferably, in above-mentioned oil connection, the horizontal oil duct formed an angle between described central oil passage is mutual by two is communicated with described annular groove.
Preferably, in above-mentioned oil connection, the top of described mandrel is provided with the nut structure of one, and described nut structure is coaxial with described mandrel.
The oil connection for hydraulic system that the utility model provides, comprise for the mandrel connected with oil inlet pipe and the tee union connected with oil outlet tube, described tee union is sheathed on described mandrel periphery and is connected with described stem seal, the inside, joint that described mandrel is connected with described tee union is provided with annular groove, central oil passage in described mandrel is communicated with described annular groove, and between the equal and inwall of described tee union in two outsides of described annular groove, rotatable sealing is connected.The design of annular groove is adopted to be communicated with the oil duct in mandrel by tee union, make mandrel can rotate relative to tee union, between annular groove and mandrel central oil passage, arrange communication channel annular groove and oil inlet pipe are connected, be connected by the rotatable sealing of annular groove with tee union inwall again, annular groove is also communicated with flowline, and due to its loop configuration and rotating Hermetical connecting structure, ensure mandrel with can relative to rotating freely between tee union, adopt this design ensure that and can carry out free rotation according to operation acts between the inflow pipeline of this oil connection and flowline, avoid fixing oil pipe, owing to repeatedly moving folding, damaged situation occurs, efficiently solve the problems such as the easy breakage in oil pipe joint in the hydraulic system of rig.
In order to reach above-mentioned second object, the utility model additionally provides a kind of coal mine drilling machine, comprises the hydraulic driving system of the described frame of frame, drilling platform and driving and drilling platform work, and described hydraulic driving system comprises any one oil connection above-mentioned.Because above-mentioned oil connection has above-mentioned technique effect, the coal mine drilling machine with this oil connection also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The cross-sectional view of the oil connection that Fig. 1 provides for the utility model embodiment;
The structural representation of the mandrel of the oil connection that Fig. 2 provides for the utility model embodiment.
In accompanying drawing, mark is as follows:
Mandrel 1, tee union 2, O-ring seals 3, jump ring 4, horizontal oil duct 6, central oil passage 7, annular groove 8, nut structure 9, seal groove 10.
Embodiment
The utility model embodiment discloses a kind of oil connection for hydraulic system, to solve oil pipe joint in the hydraulic system of the rig easily problem such as damaged.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2, Fig. 1 and Fig. 2 is respectively the cross-sectional view of the oil connection that the utility model embodiment provides and the structural representation of mandrel 1.
The oil connection for hydraulic system that the utility model provides, comprise for the mandrel 1 connected with oil inlet pipe and the tee union 2 connected with oil outlet tube, described tee union 2 is sheathed on described mandrel 1 periphery and described mandrel 1 is tightly connected, the inside, joint that described mandrel 1 is connected with described tee union 2 is provided with annular groove 8, central oil passage 7 in described mandrel 1 is communicated with described annular groove 8, and between the equal and inwall of described tee union 2 in two outsides of described annular groove 8, rotatable sealing is connected.
Wherein it should be noted that, two oil ducts being in 180 ° of angles in tee union 2 are sheathed on the periphery of mandrel 1, and flowline is connected in another oil duct one end of tee union 2, the other end and annular groove 8 just right, and the two is structurally communicated with; The both sides of annular groove 8 have protruding sidewall, cave in thus form annular groove 8 in the space between sidewall; The inwall of mandrel 1 inwall and tee union 2 is all in cylndrical surface, thus ensure that rotating structure, rotatable sealing specifically refers to and adopts the seal ring of ring or sealing gasket or other similar structure, if can ensure mandrel 1 and tee union 2 turn to arbitrarily angled all can tight seal.
The design of annular groove 8 is adopted to be communicated with the oil duct in mandrel 1 by tee union 2, make mandrel 1 can rotate relative to tee union 2, between annular groove 8 and mandrel 1 central oil passage 7, arrange communication channel annular groove 8 and oil inlet pipe are connected, be connected with the rotatable sealing of tee union 2 inwall by annular groove 8 again, annular groove 8 is also communicated with flowline, and due to its loop configuration and rotating Hermetical connecting structure, ensure mandrel 1 with can relative to rotating freely between tee union 2, adopt this design ensure that and can carry out free rotation according to operation acts between the inflow pipeline of this oil connection and flowline, avoid fixing oil pipe, owing to repeatedly moving folding, damaged situation occurs, efficiently solve the problems such as the easy breakage in oil pipe joint in the hydraulic system of rig.
For optimizing technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned oil connection, two outsides of described annular groove 8 are provided with seal groove 10, be provided with O-ring seals 3 in described seal groove 10, described O-ring seals 3 contacts with the inner wall sealing of described tee union 2.Wherein O-ring seals 3 is the sealing configuration of ring, is sheathed on the outside side wall of annular groove 8, and O-ring seals 3 is between the periphery of mandrel 1 and the inner circumferential of tee union 2 corresponding position; Wherein also seal groove 10 can be set on the sidewall of annular groove 8 both sides, for installing O-ring seals 3, adopting the technological scheme of design seal groove 10, contributing to the position of fixing O-ring seals 3, preventing in oil connection rotation process, there is dislocation or sideslip in O-ring seals 3.
For optimizing technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned oil connection, described mandrel 1 is provided with the shaft shoulder structure withstanding described tee union 2 edge, described mandrel 1 is provided with the jump ring 4 for holding out against described tee union 2 opposite side edge away from the side of described shaft shoulder structure.
Wherein it should be noted that, by shaft shoulder structure and jump ring 4 withstand spacing structure specifically tee union 2 be sheathed on the part on mandrel 1, jump ring 4 and shaft shoulder structure is adopted to be fixed by the relative position of tee union 2 with the axial direction of mandrel 1, when preventing work, tee union 2 is deviate from from mandrel 1.The Clip Reed that the concrete structure of jump ring 4 comprises jump-ring slot and matches, jump-ring slot is the annular fitting recess being arranged on mandrel 1 surface, fixing for being installed by the Clip Reed of annular, and is held out against by tee union 2 by the external structure of Clip Reed, prevents its sideslip.
For optimizing technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned oil connection, the horizontal oil duct 6 formed an angle between described central oil passage 7 is mutual by two is communicated with described annular groove 8.Wherein, annular groove 8 is for being communicated with tee union 2 with the oil duct in mandrel 1, two horizontal oil ducts 6 are set in the present embodiment in mandrel 1, effectively ensure that being communicated with of mandrel 1 central oil passage 7 and annular groove 8, ensure that under any circumstance, machine oil can circulate smoothly between mandrel 1 and tee union 2.Another oil connection work is more smooth and easy, and usability is better.
For optimizing technique scheme further, on the basis of above-described embodiment preferably, in above-mentioned oil connection, the top of described mandrel 1 is provided with the nut structure 9 of one, and described nut structure 9 is coaxial with described mandrel 1.This technological scheme that the present embodiment provides is in the top set screw nut structure 9 of mandrel 1 structure, mainly be convenient to assembling, because mandrel 1 itself will carry out assembly connection with oil pipe, usually need in assembling to adopt worm structure, or other need the assembling mode rotated assembly parts, for the ease of carrying out location or the rotation of circumference to assembly parts, spy is arranged at the coaxial nut structure of mandrel 19 to assemble on mandrel 1.
Based on the oil connection provided in above-described embodiment, the utility model additionally provides a kind of coal mine drilling machine, comprise the hydraulic driving system of the described frame of frame, drilling platform and driving and drilling platform work, described hydraulic driving system comprises the oil connection in above-mentioned any one embodiment.Because above-mentioned oil connection has the technique effect described in above-described embodiment, the coal mine drilling machine with this oil connection also should have corresponding technique effect, so the beneficial effect of coal mine drilling machine that the present embodiment provides please refer to above-described embodiment.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the oil connection for hydraulic system, comprise for the mandrel (1) connected with oil inlet pipe and the tee union (2) connected with oil outlet tube, described tee union (2) is sheathed on described mandrel (1) periphery and described mandrel (1) is tightly connected, it is characterized in that, the inside, joint that described mandrel (1) is connected with described tee union (2) is provided with annular groove (8), central oil passage (7) in described mandrel (1) is communicated with described annular groove (8), two outsides of described annular groove (8) all and between the inwall of described tee union (2) rotatable sealing be connected.
2. oil connection according to claim 1, it is characterized in that, two outsides of described annular groove (8) are provided with seal groove (10), be provided with O-ring seals (3) in described seal groove (10), described O-ring seals (3) contacts with the inner wall sealing of described tee union (2).
3. oil connection according to claim 2, it is characterized in that, described mandrel (1) is provided with the shaft shoulder structure withstanding described tee union (2) edge, described mandrel (1) is provided with the jump ring 4 for holding out against described tee union (2) opposite side edge away from the side of described shaft shoulder structure.
4. oil connection according to claim 3, is characterized in that, the horizontal oil duct (6) formed an angle between described central oil passage (7) is mutual by two is communicated with described annular groove (8).
5. oil connection according to claim 3, is characterized in that, the top of described mandrel (1) is provided with the nut structure (9) of one, and described nut structure (9) is coaxial with described mandrel (1).
6. a coal mine drilling machine, comprise the hydraulic driving system of the described frame of frame, drilling platform and driving and drilling platform work, described hydraulic driving system comprises oil connection, it is characterized in that, described oil connection is the oil connection as described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520790819.2U CN205026257U (en) | 2015-10-12 | 2015-10-12 | Colliery rig and pipe joints thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520790819.2U CN205026257U (en) | 2015-10-12 | 2015-10-12 | Colliery rig and pipe joints thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026257U true CN205026257U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520790819.2U Active CN205026257U (en) | 2015-10-12 | 2015-10-12 | Colliery rig and pipe joints thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN205026257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208629A (en) * | 2020-09-25 | 2021-01-12 | 东风商用车有限公司 | Heat dissipation type steering oil pump assembly |
| CN114688199A (en) * | 2022-04-22 | 2022-07-01 | 福建金汉科技有限公司 | Shock absorber joint with good sealing performance |
-
2015
- 2015-10-12 CN CN201520790819.2U patent/CN205026257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112208629A (en) * | 2020-09-25 | 2021-01-12 | 东风商用车有限公司 | Heat dissipation type steering oil pump assembly |
| CN114688199A (en) * | 2022-04-22 | 2022-07-01 | 福建金汉科技有限公司 | Shock absorber joint with good sealing performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 467000 Zhenzhong Road South, donggongren Town, Ping'an Avenue, Weidong District, Pingdingshan City, Henan Province Patentee after: Pingdingshan Tiancheng Mining Engineering Equipment Co.,Ltd. Address before: 467000 Coal God Courtyard, Middle Section of Longshan Avenue, Jiaxian County, Pingdingshan City, Henan Province Patentee before: PINGDINGSHAN TIANCHENG DRILLING MACHINE AND DRILLING TOOL MANUFACTURING CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230331 Address after: 467000 South of the intersection of Ping An Avenue and Fa Fa Yi Road, Donggong Town Street, Weidong District, Pingdingshan City, Henan Province, 750 meters west (5th floor of the office building of Pingdingshan Tiancheng Mining Engineering Equipment Co., Ltd.) Patentee after: Tiefulai (Pingdingshan) Intelligent Safety Equipment Co.,Ltd. Address before: 467000 Zhenzhong Road South, donggongren Town, Ping'an Avenue, Weidong District, Pingdingshan City, Henan Province Patentee before: Pingdingshan Tiancheng Mining Engineering Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |