CN202190049U - Cable connecting seat - Google Patents
Cable connecting seat Download PDFInfo
- Publication number
- CN202190049U CN202190049U CN 201120345849 CN201120345849U CN202190049U CN 202190049 U CN202190049 U CN 202190049U CN 201120345849 CN201120345849 CN 201120345849 CN 201120345849 U CN201120345849 U CN 201120345849U CN 202190049 U CN202190049 U CN 202190049U
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- CN
- China
- Prior art keywords
- cable
- chamber
- connection block
- cavity
- threaded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a cable connecting seat which comprises a through inner cavity and a shaft shoulder arranged on a peripheral wall; the inner cavity comprises a front cavity which is arranged at the front part, a threaded connection cavity which is arranged at the rear part and has inner threads, and a middle cavity which is arranged between the front cavity and the threaded connection cavity; and the inner diameter of the front cavity is greater than or equal to that of the middle cavity. In the utility model, the front cavity on the cable connecting seat can be used for embedding a spring connection seat of a drill pipe cable assembly and is matched with the front part of a cable connection head; the threaded connection cavity is used for connecting a core protection pipe of the cable assembly; and the shaft shoulder is used for realizing positioning installation with a drill pipe positioning frame. The cable connection seat provided by the utility model has a simple structure and is capable of realizing the stable connection with drill pipe central cables, core protection pipes and the cable connection heads of other drill pipe units with high connection reliability.
Description
Technical field
The present invention relates to a kind of cable Connection Block, concrete is a kind of cable Connection Block that is used for drilling rod center CA cable assembly.
Background technology
Drilling rod mainly is applicable in the construction of deep-well, horizontal well and extended reach well in oil gas and the expiloration of coal mines development process, requires it must bear huge interior external pressure, distortion, bending and vibration.Drilling rod is the screwed steel pipe of afterbody; Not only can be used for connecting between the drilling rod lengthening; And can also be used to connect the rig landscape apparatus and be positioned at drilling well bottom brill mill equipment or bottom outlet device; Its purposes is that drilling mud is transported to drill bit, and improves, reduces or rotate the bottom outlet device with drill bit.In the exploitation and extractive process of oil gas coal, drilling rod can repeatedly use.
Yet; The center cable connection structure of existing drilling rod generally all is set to monolithic construction, is unfavorable for the assembling and the maintenance of drilling rod, because the environment for use of drilling rod is abominable; And in use also there are vibrations tempestuously; Therefore adopt the drilling rod of the CA cable assembly of split-type structural often to exist syndeton unstable again, the defective that reliability is low can't satisfy the instructions for use of drilling rod.
Therefore, the utility model is intended to propose a kind of cable Connection Block that is used for drilling rod, and it is not only simple in structure, and can firmly be connected with retaining core pipe with n-conductor cable n in the drilling rod, and reliability is high.
The utility model content
The technical problem that the utility model will solve is to propose a kind of cable Connection Block, and it is not only simple in structure, and can realize with drilling rod in n-conductor cable n firmly be connected the reliability height with retaining core pipe.
In order to realize above-mentioned technical purpose; The cable Connection Block of the utility model; Comprise logical inner chamber and be arranged on the shaft shoulder on the periphery wall; Said inner chamber comprises ante-chamber in the front portion, at the rear portion and be provided with the chamber and be arranged on ante-chamber and the lumen that is threaded between the chamber of being threaded of internal thread, the internal diameter of said ante-chamber is more than or equal to the internal diameter of lumen;
Further, said inner chamber also comprises the back cavity that is arranged on behind the chamber that is threaded, and the internal diameter of said back cavity is more than or equal to the internal diameter in the chamber that is threaded;
Further, said lumen also is provided with positive stop with being threaded between the chamber, and said positive stop center is provided with the through hole that is communicated with lumen and the chamber that is threaded, and the diameter of said through hole is less than the internal diameter of lumen with the chamber that is threaded;
Further, saidly be positioned at anterior external diameter before the shaft shoulder greater than the rear portion external diameter that is positioned at behind the shaft shoulder;
Further, the periphery wall of said front portion is provided with at least one reinforcement.
The cable connector of the utility model has following beneficial effect:
1, through on the cable Connection Block of the utility model, ante-chamber being set; Can be used for the spring Connection Block of embedded drilling rod CA cable assembly and be complementary with the front portion of cable connector; The setting chamber that is threaded is used for being connected with the retaining core pipe of CA cable assembly, is provided with that the shaft shoulder can be used for and the drilling rod locating rack is realized location and installation; But the cable Connection Block of knowledge capital utility model, it is not only simple in structure, and can realize with drilling rod in n-conductor cable n firmly be connected with retaining core pipe and with the cable connector of other drilling rod units, the reliability of connection is high;
2, through at ante-chamber be threaded lumen is set between the chamber, this moment, the spring Connection Block was installed in the lumen, the cable connector of spring Connection Block and another drilling rod unit interference in the time of can preventing to install; Positive stop is set, the location when being used for spring Connection Block and retaining core pipe and installing and fixing, the through hole that middle n-conductor cable n passes the positive stop center is electrically connected with the spring Connection Block; Back cavity is set is convenient to installation sealing structure between cable Connection Block and the retaining core pipe; The stress performance that reinforcement can strengthen the cable Connection Block is set, prevents to break because of the drilling rod strenuous vibration causes the front portion of cable Connection Block.
Description of drawings
Fig. 1 is the utility model cable Connection Block example structure sketch map;
The cable connector structural representation that Fig. 2 is complementary for the cable Connection Block with present embodiment;
Fig. 3 is the directional drilling signal transmission jackrod structure sketch map of the cable Connection Block of use present embodiment;
Fig. 4 is the outer tube structure sketch map of the directional drilling signal transmission drilling rod among Fig. 3;
Fig. 5 is the A portion enlarged drawing of Fig. 4;
Fig. 6 is the B portion enlarged drawing of Fig. 4.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the utility model.
As shown in Figure 1; Structural representation for the utility model cable Connection Block embodiment; During the cable Connection Block of present embodiment comprises logical inner chamber be arranged on the shaft shoulder 67 on the periphery wall, inner chamber comprises and is positioned at anterior ante-chamber 61 and is positioned at the rear portion and is provided with the chamber 65 that is threaded of internal thread; Locating rack in cable Connection Block 60 1 sides comprises locating ring II 83 and the spacing ring II 82 between the locating ring II 83 and the shaft shoulder 67 that is installed in the outer tube groove 14, and cable Connection Block 60 is erected in the outer tube 10 through the shaft shoulder 67 and the locating rack location and the frame that is positioned.
Through on the cable Connection Block of present embodiment, ante-chamber 61 being set; Can be used for the spring Connection Block 70 of embedded drilling rod CA cable assembly and be complementary with the front portion of cable connector 20; The setting chamber 65 that is threaded is used for being connected with the retaining core pipe 40 of CA cable assembly, is provided with that the shaft shoulder 67 can be used for and the drilling rod locating rack is realized location and installation; But the cable Connection Block 60 of knowledge capital embodiment, it is not only simple in structure, and can realize with drilling rod in n-conductor cable n 50 firmly be connected with retaining core pipe 40 and with the cable connector 20 of other drilling rod units, the reliability of connection is high.
Preferably; Inner chamber also comprises and is arranged on ante-chamber 61 and the lumen 62 that is threaded between the chamber 65; The internal diameter of ante-chamber 61 through lumen 62 being set and spring Connection Block 70 being installed in the lumen 62, can prevent that the cable connector 20 of spring Connection Block 70 and another drilling rod unit from interfering each other more than or equal to the internal diameter of lumen; Be installed with spring 81 on the spring Connection Block 70, the free end of spring 81 places ante-chamber 61 or passes ante-chamber 61; Preferably; Inner chamber also comprises the back cavity 66 that is arranged on behind the chamber 65 that is threaded; The internal diameter of back cavity 66 is more than or equal to the internal diameter in the chamber 65 that is threaded; Back cavity 66 is set is convenient to installation sealing structure between cable Connection Block 60 and the retaining core pipe 40, retaining core pipe 40 passes back cavity 66 and is threaded with the chamber 65 that is threaded; Preferably; Lumen 62 also is provided with positive stop 63 with being threaded between the chamber 65; Positive stop 63 centers are provided with the through hole 64 that is communicated with lumen 62 and the chamber 65 that is threaded; The diameter of through hole 64 is less than the internal diameter of lumen 62 with the chamber 65 that is threaded, the location when positive stop 63 being set being used for spring Connection Block 70 and installing and fixing with retaining core pipe 40, and the through hole 64 that middle n-conductor cable n 50 passes positive stop 63 centers is electrically connected with spring Connection Block 70; Preferably, be positioned at anterior external diameter before the shaft shoulder 67 greater than the rear portion external diameter that is positioned at behind the shaft shoulder 67, the cable Connection Block 60 of being convenient to present embodiment is installed; Preferably; The periphery wall that is positioned at the front portion before the shaft shoulder 67 is provided with at least one reinforcement 68; Present embodiment is provided with the twice reinforcement, and the stress performance that reinforcement 68 can strengthen the cable Connection Block is set, and prevents to break because of the drilling rod strenuous vibration causes the front portion of cable Connection Block.
As shown in Figure 2; The cable connector structural representation that is complementary for cable Connection Block with present embodiment; The inner chamber that leads to during cable connector 20 is provided with; Inner chamber comprise the ante-chamber I 21 that is used to embed spring connector 30, be used for the lumen I 25 that is fixedly connected with retaining core pipe 40 and be used for cable connector 20 and retaining core pipe 40 between the back cavity I 26 of sealing, preferred, lumen I 25 is provided with internal thread; Retaining core pipe 40 ends are provided with external screw thread, and retaining core pipe 40 passes back cavity I 26 backs and is connected with the internal thread of lumen I 25.Between lumen I 25 and ante-chamber I 21, be provided with positive stop I 23; Positive stop I 23 centers are provided with and are used for the through hole I 24 that n-conductor cable n 50 passes; Spring connector 30 is embedded among the ante-chamber I 21 during installation, and middle n-conductor cable n 50 passes through hole I 24 and is threaded with spring connector 30.On the outer wall of cable connector 20, be provided with and be used for the axle collar 22 that is complementary with locating rack; And the locating rack that cable connector 20 is complementary comprises locating ring I 85 and the spacing ring I 84 between the locating ring I 85 and the axle collar 22 that is installed in the outer tube groove 13, and cable connector 20 is erected in the outer tube 10 through the axle collar 22 and the locating rack location and the frame that is positioned.Be positioned on the anterior outer wall of cable connector 20 and also be provided with the seal groove 27 that is used to install sealing ring.
As shown in Figure 3; Directional drilling signal transmission jackrod structure sketch map for the cable connector that uses present embodiment; Directional drilling signal transmission drilling rod comprises outer tube 10 and is erected at the CA cable assembly in the outer tube 10 by locating rack; Outer tube 10 two ends are respectively equipped with the screw connection structure of mutual coupling; CA cable assembly comprises the cable connector 20 that is separately positioned on outer tube 10 two-port and cable Connection Block 60, the retaining core pipe 40 that is fixedly connected towards outer tube 10 inboard afterbodys with cable connector 20 and cable Connection Block 60 respectively, places the n-conductor cable n 50 in the retaining core pipe 40; The front portion that the front portion of cable connector 20 is embedded with spring connector 30, cable Connection Block 60 is embedded with spring Connection Block 70; Be installed with spring 81 on the spring Connection Block 70, spring connector 30 is electrically connected with middle n-conductor cable n 50 respectively with spring Connection Block 70, and is respectively equipped with the syndeton of mutual coupling on cable connector 20 and the cable Connection Block 70.
Directional drilling signal transmission drilling rod is set to the split-type structural of cable connector 20, cable Connection Block 60, retaining core pipe 40 and middle n-conductor cable n 50 through CA cable assembly; Not only simple in structure; And assemble easy to maintenance; Embedded respectively spring connector 30 and spring Connection Block 70 and the spring 81 of being provided with can effectively be realized the electrical connection of the middle n-conductor cable n 50 between the drilling rod unit in cable connector 20 and cable Connection Block 60, guarantees to connect stable and stable signal transmission.
The D outer diameter 3 that cable connector 20 is positioned at the front portion before the axle collar 22 equates with cable Connection Block 60 ante-chambers 61 inside diameter D 4; And spring connector 30 ends are provided with the groove 31 that is complementary with spring 81; When adjacent two drilling rod units connect; The internal thread of one drilling rod unit outer tube 10 links to each other with the external screw thread of another drilling rod unit outer tube 10, and links to each other through syndeton between the cable Connection Block 60 of the cable connector 20 of a drilling rod unit and another drilling rod unit, the syndeton of present embodiment be arranged on cable Connection Block 60 anterior and with the inner chamber of said cable connector 20 anterior equal diameters; Be the ante-chamber 61 of present embodiment; The ante-chamber 61 of the front portion of cable connector 20 and cable Connection Block 60 is complementary and places ante-chamber 61, the free end of spring 81 to place the groove 31 of spring connector 30 during installation, and is compressed and is fixed between spring Connection Block 70 and the spring connector 30; Realize the firm electrical connection between the drilling rod unit, stable signal transmission.
To shown in Figure 6, be the outer tube structure sketch map of directional drilling signal transmission drilling rod like Fig. 4, outer tube 10 is provided with the internal thread syndeton 11 and external screw thread syndeton 12 of mutual coupling respectively at its two ends; Can guarantee effectively to be threaded between the drilling rod unit, further, internal thread syndeton 11 all adopts trapezoidal thread with external screw thread syndeton 12; Adopt trapezoidal thread can effectively prevent to cross the location between the drilling rod unit, prevented location double thread tooth form moulding damage, guarantee the stress performance of drilling rod; Preferably, the angle of thread of trapezoidal thread is 29 °, thread taper 1:30; Thread surface is carried out phosphatization, Nickel Plating Treatment; Have antirust, anti-attrition and anti-thread gluing function, adopt the trapezoidal thread of this structure can not only prevent the location, and it is best to connect effect.Also be respectively equipped with two shoulder structures in internal thread syndeton 11 with external screw thread syndeton 12 places; Constitute two shoulder structures at internal thread syndeton 11 places by end face 15 and table top 16; Screw connection structure 12 places constitute two shoulder structures by end face 18a and table top 19 outside; Adopt two shoulder structures to have the moment of torsion braking function, guarantee that simultaneously drilling rod has higher torsional strength.
Be respectively equipped with the groove 13 and groove 14 that is used for installing and locating ring I 85 and locating ring II 83 near the position of two-port at outer tube 10; And be provided with the cone-shape metallic leak-proof structure of mutual coupling between outer tube 10 both ends of the surface; The end that internal thread syndeton 11 is set at outer tube 10 is provided with tapered end face 15 and taper confined planes 17; The end that external screw thread syndeton 12 is set at outer tube 10 is provided with tapered end face 18a and taper confined planes 18b; Tapered end face 15 is identical with the tapering of tapered end face 18a, and taper confined planes 17 is identical with the tapering of taper confined planes 18b, guarantees the cone-shape metallic leak-proof between the drilling rod unit.Preferably, the tapering of tapered end face 15, tapered end face 18a, taper confined planes 17, taper confined planes 18b all equates, and cone angle equals 15 °, adopt the cone-shape metallic leak-proof structure of this tapering not only easy to process, and sealing effectiveness is better.The outer tube 10 that forms is made in the monolithic construction of outer tube 10 employing two ends jumping-ups and bulk heat treatmet, and outer tube 10 can effectively strengthen the stress performance of outer tube near the D outer diameter 1 at the two ends D outer diameter 2 greater than the middle part.
Toroidal cavity between outer tube 10 and the retaining core pipe 40 is used for the drilling fluid of motor at the bottom of the sprocket hole; In order to prevent that drilling fluid from corroding CA cable assembly, between spring Connection Block 70 and the cable Connection Block 60, between spring connector 30 and the cable connector 20, cable connector 20 and protect between the core barrel 40, cable Connection Block 60 and protect between the core barrel 40 and the cable connector 20 of adjacent drill pipes unit and cable Connection Block 60 between all adopt O type ring caulking gum to seal.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (5)
1. cable Connection Block; It is characterized in that: in comprising logical inner chamber be arranged on the shaft shoulder on the periphery wall; Said inner chamber comprises ante-chamber in the front portion, at the rear portion and be provided with the chamber and be arranged on ante-chamber and the lumen that is threaded between the chamber of being threaded of internal thread, the internal diameter of said ante-chamber is more than or equal to the internal diameter of lumen.
2. cable Connection Block according to claim 1 is characterized in that: said inner chamber also comprises the back cavity that is arranged on behind the chamber that is threaded, and the internal diameter of said back cavity is more than or equal to the internal diameter in the chamber that is threaded.
3. cable Connection Block according to claim 2; It is characterized in that: said lumen also is provided with positive stop with being threaded between the chamber; Said positive stop center is provided with the through hole that is communicated with lumen and the chamber that is threaded, and the diameter of said through hole is less than the internal diameter of lumen with the chamber that is threaded.
4. cable Connection Block according to claim 2 is characterized in that: saidly be positioned at anterior external diameter before the shaft shoulder greater than the rear portion external diameter that is positioned at behind the shaft shoulder.
5. cable Connection Block according to claim 4 is characterized in that: the periphery wall of said front portion is provided with at least one reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120345849 CN202190049U (en) | 2011-09-15 | 2011-09-15 | Cable connecting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120345849 CN202190049U (en) | 2011-09-15 | 2011-09-15 | Cable connecting seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190049U true CN202190049U (en) | 2012-04-11 |
Family
ID=45921483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120345849 Expired - Fee Related CN202190049U (en) | 2011-09-15 | 2011-09-15 | Cable connecting seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789935A (en) * | 2016-04-22 | 2016-07-20 | 中国石油天然气集团公司 | Cable connection device for electric drill well drilling system |
| CN115234176A (en) * | 2022-09-21 | 2022-10-25 | 无锡市安曼工程机械有限公司 | Modularization rope winding mechanism |
-
2011
- 2011-09-15 CN CN 201120345849 patent/CN202190049U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789935A (en) * | 2016-04-22 | 2016-07-20 | 中国石油天然气集团公司 | Cable connection device for electric drill well drilling system |
| CN115234176A (en) * | 2022-09-21 | 2022-10-25 | 无锡市安曼工程机械有限公司 | Modularization rope winding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
|
| CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: China Coal Technology Engineering Group Chongqing Research Institute Address before: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 6 Patentee before: China Coal Science and Industry Group Chongqing Research Institute |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20160915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |