CN117638525B - Quick cable joint for underground coal mine communication - Google Patents
Quick cable joint for underground coal mine communication Download PDFInfo
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- CN117638525B CN117638525B CN202311642804.7A CN202311642804A CN117638525B CN 117638525 B CN117638525 B CN 117638525B CN 202311642804 A CN202311642804 A CN 202311642804A CN 117638525 B CN117638525 B CN 117638525B
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- quick
- cable
- joint
- connector body
- sleeve
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- 238000004891 communication Methods 0.000 title claims abstract description 17
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a quick cable connector for underground coal mine communication, which relates to the technical field of cable connection and also comprises a cable connection component for connecting different cables, a quick connector component for connecting the cables with an instrument and a positioning component for positioning and mounting the quick connector component and the cable connection component. According to the quick cable connector for underground communication of the coal mine, different functions are achieved by arranging the quick connector component and the cable connecting part, cables with different diameters can be sealed through the arrangement of the tensioning sleeve in the process of connecting and fixing the cables, then the quick connector component is connected with the cable connecting component, meanwhile, the internal wire core can be connected with the electric plug in a plug-in mode, the connection mode of the current internal wire core is changed, welding is not needed, and the operation mode is simplified.
Description
Technical Field
The invention relates to the technical field of cable connection, in particular to a quick cable connector for underground communication of a coal mine.
Background
In the coal mine operation, in order to ensure the communication of the system between the operation devices, a connecting cable is used at the moment, and a special connector is used when the cable and the operation devices are connected.
However, the existing cable joint for underground coal mine communication has some problems when in use due to the influence of the use environment; the existing connectors for communication of underground automation systems of coal mines all adopt a special coal mine type structure, namely a quick-plug sealing mode, when the underground automation systems adopt the connector with the structure, the cable length needs to be known in advance, the whole cable including connectors at two ends is prefabricated in advance, the mode lacks flexibility and has long construction period when the cables are installed and wired in underground sites, if the cable length is changed, the cables cannot be installed, the construction period is delayed, production is delayed, great resource waste is brought, meanwhile, the cables and plug connectors need to be welded when the cables are manufactured, meanwhile, the inside of the cables are sealed by sealing glue, however, the underground sites cannot be welded in site due to the influence of environmental space, so that the cable position length needs to be determined in advance, and if the cable position length changes, the cables and instruments cannot be connected.
Disclosure of Invention
Aiming at the technical problem that the prior art is too single, the technical scheme of the invention is obviously different from the prior art, and the embodiment of the invention provides the quick cable connector for underground communication of the coal mine, so as to solve the technical problem that the prior quick plug connectors are prefabricated in advance and have poor flexibility.
The embodiment of the invention adopts the following technical scheme: the utility model provides a colliery is quick cable joint for communication still includes the cable connecting component that is used for connecting different cables for quick-operation joint part with cable and instrument connection, be used for carrying out the locating component of location installation with quick-operation joint part and cable connecting component, cable connecting component includes joint seat and cable heart yearn, threaded connection between joint seat and the joint seat, the terminal threaded connection locking swivel nut of joint seat, the inside tight cover that rises that is provided with of locking swivel nut, cable and cable heart yearn are arranged in joint seat and joint seat through the tight cover that rises, cable heart yearn and electric plug connection.
Further, the quick-operation joint subassembly includes the joint body, the joint body cover is established outside the joint seat, joint body tip is provided with locating component, be provided with the adapter sleeve outward the locating component, adapter sleeve and joint seat threaded connection, quick-operation joint subassembly one end is quick-operation joint, and quick-operation joint subassembly other one end is the cavity setting and is connected with quick-operation joint, be provided with electric lock pin in the quick-operation joint subassembly cavity end, electric lock pin is connected with stitch lead one end, stitch lead other one end is connected with electric socket wiring end, the other end is provided with the locating rack in the quick-operation joint subassembly, be connected fixedly between locating rack and the joint body, electric socket passes through the screw and is connected with the locating rack, electric plug inserts the block with electric socket and is connected.
Further, an O-shaped sealing ring is arranged between the connecting seat and the connector seat, and an O-shaped sealing ring is arranged between the connector seat and the connector body.
Further, the tensioning sleeve is made of elastic materials.
Further, the inner diameter of the locking screw sleeve is gradually reduced from left to right.
Further, the locating component comprises a locating pin and a locating groove, wherein the locating groove is formed in the connecting sleeve, and the locating pin penetrates through the connector body and is arranged on the locating groove.
Further, the locating component still includes coupling spring and connecting block, the connecting block sets up outside the locating pin, and the coupling spring cover is established outside the locating pin, and coupling spring one end is connected another one end with the connecting block and is connected with the nipple seat, the tip sets up for the inclined plane in the adapter sleeve, the guide way has been seted up on the nipple seat, and the guide way is the horn mouth form, and the guide way is terminal to be connected with the constant head tank link up simultaneously.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the quick connector component and the cable connecting part are arranged, different connecting parts can play different roles, the cable can be connected and fixed through the cable connecting part, in the process of connecting and fixing the cable, cables with different diameters can be sealed through the arrangement of the tension sleeve, then the quick connector component is connected with the cable connecting part, before the quick connector component is connected with the cable indirect component, the internal cable core and the electric plug can be connected (the technical requirement of operators is small through the plug-in mode, the operation mode is simplified), the connecting mode of the internal cable core is changed, the operation step is simplified, after the internal cable core is connected, the positioning can be completed through the positioning assembly, the quick connector component and the cable connecting part can be connected through the locking screw sleeve, the technical requirement for installation personnel is lower, the installed quick connector component and the cable connecting part can be connected, and the whole cable can be manufactured according to the whole situation in advance, the whole situation of the cable connector is not required to be prefabricated, the real-time situation is improved, the real-time situation of the cable position is improved, the real-time situation is realized, the real-time situation of the cable is simplified, the operation instrument is simplified, the operation step is simplified, and after the connection of the cable is finished, and the whole situation is easy, and the cable position is convenient, and the device is easy to be manufactured, and the whole situation is easy to be manufactured
Secondly, through the locating component, when the quick connector component is connected with the cable connecting component, the locating pin and the locating groove are not required to be located and installed accurately, the locating pin is only required to be inserted into the guide groove, meanwhile, the locating pin is located in the guide groove more simply due to the large diameter of the guide groove, and is influenced by the structural form of the guide groove, when the connector body is inserted into the connector seat, the length of the locating pin is slightly larger than the inner wall of the connector body in the initial state, so that part of the locating pin is located outside the connector body, at the moment, the lower part of the locating pin is located in the guide groove, the angle of the connector body can be automatically adjusted in continuous movement, and finally, the locating pin and the position of the locating groove are automatically corresponding, and because connect through connecting spring between locating pin and the joint seat, when rethread adapter sleeve will connect locking with joint body and the joint seat, the extrusion inclined plane of adapter sleeve can be at this moment contradicted the locating pin first, can insert the locating pin in the constant head tank voluntarily, thereby play the effect of automatic locking (can play the locking to a plurality of directions, prevent effectively that the later stage from appearing not hard up phenomenon), thereby make can not take place relative rotation between joint body and the joint seat at subsequent locking adapter sleeve in-process, thereby guarantee the connection stability between inside electrical plug and the battery socket, utilize locating pin and constant head tank, still connect fixedly with the connecting sleeve can carry out multiple connection with the connecting seat, the connection effect has been improved.
In summary, when the original connector is used for connecting the cable and the instrument, the connector is only needed to be carried on the underground site, the access cable and the cable connector are connected well according to steps, so that the connection with the special interface of the field device can be realized quickly, the convenience and the flexibility of installation and wiring are greatly improved, the problem of on-site plug-and-play is solved, the working efficiency of wiring installation is greatly improved, the project progress is guaranteed, and in the process of connection and installation, the installation requirements of operators between all parts of the connector can be guaranteed while the installation technical requirements of the operators are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic view of the main section structure of the present invention;
FIG. 3 is a schematic view of A-A cross-sectional structure of the present invention;
FIG. 4 is a schematic diagram of a cross-sectional second view angle structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;
Fig. 6 is a schematic diagram of a positioning slot structure according to the present invention.
Reference numerals:
Quick connector assembly
A joint body; 2. an electrical ferrule; 3. an electrical outlet; 4. an electrical plug; 5. a positioning frame; 7. connecting sleeves; 10. stitch leads; 11. a screw; 13. a positioning assembly; 131. extruding the inclined plane; 132. a connecting spring; 133. a connecting block; 134. a positioning pin; 135. a positioning groove; 136. a guide groove;
Cable connecting component
8. A joint seat; 9. a connecting seat; 12. a cable core; 14. a tensioning sleeve; 15. and locking the threaded sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.
The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, the embodiment of the invention provides a quick cable connector for underground communication in a coal mine, which further comprises cable connecting components for connecting different cables, a quick connector component for connecting the cables with an instrument, and a positioning component 13 for positioning and installing the quick connector component and the cable connecting components, wherein the cable connecting components comprise a connector seat 8 and a cable core wire 12, the connector seat 8 is in threaded connection with the connector seat 9, the tail end of the connector seat 9 is in threaded connection with a locking screw sleeve 15, a tensioning sleeve 14 is arranged in the locking screw sleeve 15, the cable and the cable core wire 12 are arranged in the connector seat 9 and the connector seat 8 through the tensioning sleeve 14, and the cable core wire 12 is connected with an electric plug 4.
Specifically, the quick-operation joint subassembly includes joint body 1, joint body 1 cover is established outside joint seat 8, joint body 1 tip is provided with locating component 13, locating component 13 is equipped with adapter sleeve 7 outward, adapter sleeve 7 and joint seat 8 threaded connection, quick-operation joint subassembly one end is quick-operation joint, and quick-operation joint subassembly other one end is the cavity setting and is connected with quick-operation joint, be provided with electric lock pin 2 in the quick-operation joint subassembly cavity end, electric lock pin 2 is connected with stitch lead 10 one end, stitch lead 10 other end is connected with electric socket 3 wiring end, the other end is provided with locating rack 5 in the quick-operation joint subassembly, be connected fixedly between locating rack 5 and the joint body 1, electric socket 3 passes through screw 11 and is connected with locating rack 5, electric plug 4 is connected with electric socket 3 insertion block. Meanwhile, in order to improve the sealing strength, sealant can be applied between the electrical ferrule 2 and the electrical socket 3, so that the sealing strength is improved, and the connection stability of the electrical socket 3 is improved.
Specifically, an O-shaped sealing ring is arranged between the connecting seat 9 and the connector seat 8, and an O-shaped sealing ring is arranged between the connector seat 8 and the connector body 1. The O-shaped sealing ring is arranged, so that the sealing effect between the connecting seat 9 and the connector seat 8 can be improved, and the O-shaped sealing ring has certain elasticity, so that the sealing effect is better.
Specifically, the tension sleeve 14 is made of elastic material.
Specifically, the inner diameter of the locking screw sleeve 15 gradually decreases from left to right. The caliber of the locking screw sleeve 15 is gradually reduced, and when the locking screw sleeve 15 is connected with the connecting seat 9, the locking screw sleeve 15 is continuously locked, and at the moment, the caliber of the locking screw sleeve 15 is continuously reduced, and the locking screw sleeve 15 continuously extrudes the tension sleeve 14, so that the inner diameter of the tension sleeve 14 can be adjusted, and the tension sleeve is used for connecting and fixing cables with different outer diameters.
Specifically, the positioning assembly 13 includes a positioning pin 134 and a positioning groove 135, the positioning groove 135 is disposed on the connecting sleeve 7, and the positioning pin 134 is disposed on the positioning groove 135 through the connector body 1. Through the cooperation of locating pin 134 and position sleeve, can fix a position joint body 1 and joint seat 8, avoid in the later stage installation, joint body 1 appears rotating to guarantee connection stability.
Example 2 the following is presented in conjunction with FIGS. 1-3
Specifically, the positioning assembly 13 further includes a connection spring 132 and a connection block 133, the connection block 133 is disposed outside the positioning pin 134, the connection spring 132 is sleeved outside the positioning pin 134, one end of the connection spring 132 is connected with the connection block 133, the other end of the connection spring is connected with the joint seat 8, the inner end of the joint seat 8 is provided with an inclined plane, the connection sleeve 7 is provided with a guide groove 136, the guide groove 136 is in a horn shape, and meanwhile, the tail end of the guide groove 136 is in through connection with the positioning groove 135.
The working principle is as follows; in use, firstly, the cable connecting component is taken out, the locking screw sleeve 15 is rotated to a loose state, at this time, the cable core wire 12 with proper length is taken out according to the installation requirement, then the cable core wire 12 and the cable pass through the through hole of the tensioning sleeve 14, so that the cable core wire 12 is positioned in the cavity of the connector holder 8, after the cable is connected with the cable connecting part, the quick connector component is taken out, before the connector body 1 is connected with the connector holder 8, firstly, the cable core wire 12 is connected with the terminal of the electrical plug 4, then the electrical plug 4 is inserted into the electrical socket 3, thus completing the electrical connection, then the connector body 1 is connected with the connector holder 8, different positioning components 13 are selected according to the actual requirement for positioning, if the positioning mode of the positioning pin 134 and the positioning groove 135 is directly adopted, at this time, the locking screw sleeve 15 can be directly rotated, in the process of rotating the locking screw sleeve 15, the inner diameter of the locking screw sleeve 15 is not reduced, at the moment, the locking screw sleeve 15 continuously extrudes the tensioning sleeve 14, so that the inner diameter of the tensioning sleeve 14 is continuously reduced, the outer wall of a cable is tightly attached, the sealing effect is achieved, meanwhile, the inner diameter of the tensioning sleeve 14 is controllable, cables with different outer diameters can be sealed, then, the outer circle of the connector 8 is axially provided with a straight groove, at the moment, the connector body 1 and the connector 8 can be limited to relatively rotate through the cooperation of the positioning pin 134 and the straight groove, the connection stability is ensured, then the connector body 1 and the connector 8 are connected in a threaded manner through the connecting sleeve 7, the manual control positioning pin 134 is required to be in butt joint with the straight groove during the connection, although the relative rotation can not happen in the later connection process, however, the requirements on the position between the locating pin 134 and the straight groove are higher in the butt joint process, if the connection mode of the locating pin 134 and the guide groove 136 is adopted, the locking screw sleeve 15 is not locked at this moment, the locating pin 134 is inserted into the guide groove 136, the guide groove 136 is opened larger, the insertion is convenient, the inner diameter of the guide groove 136 is continuously reduced, if the deviation between the joint seat 8 and the joint body 1 is larger, the joint seat 8 automatically deflects, the automatic butt joint effect is achieved after the joint seat 8 is completely inserted into the joint body 1, then the connecting sleeve 7 is extruded and moved, the extrusion inclined surface 131 of the connecting sleeve 7 can extrude the locating pin 134, so that the locating pin 134 is inserted into the locating groove 135, the locking screw sleeve 15 is positioned, and if the connecting sleeve 7 cannot move, the joint body 1 and the joint seat 8 are not connected in place, the self-checking effect can be achieved through the locating component 13, after the connecting sleeve 7 can move a certain distance, under normal conditions, the connecting sleeve 7 continuously moves in the threaded engagement process of the connecting sleeve 7 and the connecting seat 9, and finally the locking screw sleeve 15 is connected with a cable connecting part.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. A kind of colliery is communicated with the fast cable joint in the pit, characterized by that; the quick connector comprises a quick connector body (1), a connector body (1) is sleeved outside the connector body (8), the end part of the connector body (1) is provided with a positioning component (13), the positioning component (13) is externally provided with a connecting sleeve (7), the tail end of the connector body (9) is in threaded connection with a locking screw sleeve (15), the locking screw sleeve (15) is internally provided with a tensioning sleeve (14), the cable and the cable core wire (12) are arranged in the connector body (9) and the connector body (8) through the tensioning sleeve (14), the cable core wire (12) is connected with an electrical plug (4), the quick connector body (1) is sleeved outside the connector body (8), the end part of the connector body (1) is provided with the positioning component (13), the connecting sleeve (7) is externally provided with a connecting sleeve (8), in addition, one end of the quick connector body is provided with a cavity (2) and one end of the quick connector is connected with a pin, in addition, the quick connector body is provided with a cavity (2), the other end of the stitch lead (10) is connected with the wiring end of the electrical socket (3), the other end of the quick connector assembly is provided with a locating rack (5), the locating rack (5) is fixedly connected with the connector body (1), the electrical socket (3) is connected with the locating rack (5) through a screw (11), and the electrical plug (4) is connected with the electrical socket (3) in an inserting and clamping mode.
2. A quick cable joint for underground coal mine communication according to claim 1, wherein; an O-shaped sealing ring is arranged between the connecting seat (9) and the joint seat (8), and an O-shaped sealing ring is arranged between the joint seat (8) and the joint body (1).
3. A quick cable joint for underground coal mine communication according to claim 1, wherein; the tensioning sleeve (14) is made of elastic materials.
4. A quick cable joint for underground coal mine communication according to claim 1, wherein; the inner diameter of the locking screw sleeve (15) is gradually reduced from left to right.
5. A quick cable joint for underground coal mine communication according to claim 1, wherein; the positioning assembly (13) comprises a positioning pin (134) and a positioning groove (135), the positioning groove (135) is arranged on the connecting sleeve (7), and the positioning pin (134) penetrates through the joint body (1) and is arranged on the positioning groove (135).
6. A quick cable joint for underground coal mine communication according to claim 5, wherein; the positioning assembly (13) further comprises a connecting spring (132) and a connecting block (133), the connecting block (133) is arranged outside the positioning pin (134), the connecting spring (132) is sleeved outside the positioning pin (134), one end of the connecting spring (132) is connected with the connecting block (133) while the other end is connected with the joint seat (8), the inner end of the connecting sleeve (7) is provided with an inclined surface, the joint seat (8) is provided with a guide groove (136), the guide groove (136) is in a horn mouth shape, and meanwhile, the tail end of the guide groove (136) is in through connection with the positioning groove (135).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311642804.7A CN117638525B (en) | 2023-12-04 | 2023-12-04 | Quick cable joint for underground coal mine communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311642804.7A CN117638525B (en) | 2023-12-04 | 2023-12-04 | Quick cable joint for underground coal mine communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117638525A CN117638525A (en) | 2024-03-01 |
| CN117638525B true CN117638525B (en) | 2024-04-23 |
Family
ID=90023022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311642804.7A Active CN117638525B (en) | 2023-12-04 | 2023-12-04 | Quick cable joint for underground coal mine communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117638525B (en) |
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| DE102004030000A1 (en) * | 2004-06-22 | 2006-01-12 | Hydrostar Verwaltungs- Und Beteiligungs-Gmbh & Co. Kg | Plug connector for electrical power cables used underground in mining industry, connects plug casing with pressed bush and includes ring seal between them |
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| CN202550098U (en) * | 2012-04-19 | 2012-11-21 | 天津华宁电子有限公司 | Rapid and reliable joint of mine explosion suppression cable |
| CN105281115A (en) * | 2015-10-10 | 2016-01-27 | 苏州华旃航天电器有限公司 | Temperature-resistant bearing electric connector capable of freely designing butt joint |
| CN207398424U (en) * | 2017-10-18 | 2018-05-22 | 天津华宁电子有限公司 | A kind of low-voltage flameproof type cable connector |
| CN214754425U (en) * | 2021-07-07 | 2021-11-16 | 张德生 | Electromechanical device motor wiring connection structure |
| CN216121769U (en) * | 2021-09-22 | 2022-03-22 | 青岛鳍源创新科技有限公司 | Cable sealing joint and cable sealing connecting device |
| CN116131017A (en) * | 2022-09-26 | 2023-05-16 | 中国石油化工股份有限公司 | Electrical connection device and system for cabled sub-injection underground multi-stage instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI821861B (en) * | 2022-01-12 | 2023-11-11 | 宏致電子股份有限公司 | Cable connector and assembly method |
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2023
- 2023-12-04 CN CN202311642804.7A patent/CN117638525B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004030000A1 (en) * | 2004-06-22 | 2006-01-12 | Hydrostar Verwaltungs- Und Beteiligungs-Gmbh & Co. Kg | Plug connector for electrical power cables used underground in mining industry, connects plug casing with pressed bush and includes ring seal between them |
| CN200956449Y (en) * | 2006-06-22 | 2007-10-03 | 中国石化集团胜利石油管理局钻井工艺研究院 | Cable bridle and ultrasonic transducer rapid connecting device |
| CN202550098U (en) * | 2012-04-19 | 2012-11-21 | 天津华宁电子有限公司 | Rapid and reliable joint of mine explosion suppression cable |
| CN105281115A (en) * | 2015-10-10 | 2016-01-27 | 苏州华旃航天电器有限公司 | Temperature-resistant bearing electric connector capable of freely designing butt joint |
| CN207398424U (en) * | 2017-10-18 | 2018-05-22 | 天津华宁电子有限公司 | A kind of low-voltage flameproof type cable connector |
| CN214754425U (en) * | 2021-07-07 | 2021-11-16 | 张德生 | Electromechanical device motor wiring connection structure |
| CN216121769U (en) * | 2021-09-22 | 2022-03-22 | 青岛鳍源创新科技有限公司 | Cable sealing joint and cable sealing connecting device |
| CN116131017A (en) * | 2022-09-26 | 2023-05-16 | 中国石油化工股份有限公司 | Electrical connection device and system for cabled sub-injection underground multi-stage instrument |
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| Publication number | Publication date |
|---|---|
| CN117638525A (en) | 2024-03-01 |
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