CN111030034A - Cable intermediate butt joint device - Google Patents
Cable intermediate butt joint device Download PDFInfo
- Publication number
- CN111030034A CN111030034A CN202010005534.9A CN202010005534A CN111030034A CN 111030034 A CN111030034 A CN 111030034A CN 202010005534 A CN202010005534 A CN 202010005534A CN 111030034 A CN111030034 A CN 111030034A
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- cable
- clamping
- fixing
- butt joint
- eccentric cam
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
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Abstract
The invention discloses a cable intermediate butt joint device, which enables two butted cables to move, and when the device is acted by external force, a certain moving space is arranged at a cable joint, so that the cables are prevented from being broken. The key points of the technical scheme are as follows: a cable middle butt joint device comprises two fixing devices and a connecting device, wherein the fixing devices are provided with two clamping mechanisms which are movably connected, a circular groove for fixing a cable protective sleeve is formed between the two clamping mechanisms, and one end of each fixing device is also provided with a bayonet which is used for being clamped with the connecting device; the connecting device is internally hollow to form a wire groove used for wrapping the cable core, and two ends of the connecting device are respectively provided with an annular bulge used for being embedded into the bayonet. The cable middle butt joint device can swing and twist to a certain extent, and is beneficial to preventing the cable butt joint from being broken; the butt joint device can be quickly and simply installed and detached, and the working difficulty is reduced.
Description
Technical Field
The invention relates to the field of cable equipment, in particular to a cable middle butt joint device.
Background
A cable is a conductor made of one or more conductors insulated from each other and an outer insulating sheath that carries power or information from one location to another. The cables are generally erected aloft or buried underground and used for long-distance high-voltage power transmission, and each cable is generally responsible for power transmission of a plurality of strands of lines, so that the transmission efficiency is high, the manufacturing cost is low, and the stability is good.
The cable is used for carrying the electric energy to the mill in each area, family, when carrying out long distance power transmission, need will be with many cables butt joints and reach required length, and the cable internal circuit is more and cable weight is great, need adopt specific interfacing apparatus to carry out the butt joint of cable, both need guarantee power transmission's stability, still need guarantee longer life. The existing cable butt joint device generally adopts two fixing mechanisms to be respectively fixed at two cable joints needing butt joint, then connects internal circuits, and finally, the two fixing mechanisms are in butt joint and fixed in a threaded connection or welding mode. However, the existing cable butt joint technology has the following defects:
1. the butt joint of the existing cable butt joint device is completely fixed, the strength of the common connection modes such as threaded connection and welding is low, when the cable is subjected to large external force (such as wind blowing, snow accumulation and the like) or large-amplitude distortion is generated, the cable joint is easy to loosen and break, and therefore the cable core is disconnected
2. The mechanism that is used for fixed cable among the current cable interfacing apparatus is mostly integrated into one piece, and the installation degree of difficulty is great, and is difficult to dismantle, causes inconvenience to maintenance and change in the future.
Therefore, how to solve the problems that the cable butt joint is easy to break, the service life of the cable butt joint device is prolonged, and the maintenance and the replacement are convenient becomes the field of cable equipment.
Disclosure of Invention
The invention aims to provide a cable intermediate butting device, which enables two butted cables to move, and when the middle butting device is subjected to external force, a certain moving space is formed at the joint of the cables, so that the cables are prevented from being broken.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
a cable middle butt joint device comprises two fixing devices and a connecting device, wherein the fixing devices are provided with two clamping mechanisms which are movably connected, a circular groove for fixing a cable protective sleeve is formed between the two clamping mechanisms, and one end of each fixing device is also provided with a bayonet which is used for being clamped with the connecting device; the connecting device is internally hollow to form a wire groove used for wrapping the cable core, and two ends of the connecting device are respectively provided with an annular bulge used for being embedded into the bayonet.
Compared with the prior art, the intermediate cable butt joint device adopting the technical scheme has the following beneficial effects:
firstly, by adopting the cable middle butt joint device, the fixing mechanism and the connecting mechanism are connected in a clamping manner, so that the cable middle butt joint device is difficult to fall off, a certain moving space is reserved, the cable is allowed to swing and twist in all directions, and the cable middle butt joint device is beneficial to preventing the cable butt joint part from being broken.
By adopting the cable middle butt joint device, the outer sheath of the cable can be quickly and simply fixed through the two clamping devices which can be movably connected, so that the working difficulty is reduced; and when the docking device needs to be maintained or replaced, the docking device can be detached easily.
Preferably, the connecting device comprises a first part and a second part, the first part and the second part are connected through a spring, and the spring can buffer the extrusion force and the pulling force of the butt joint and prevent the connecting device from being broken due to strong external force, so that the cable core connection position is protected from being damaged.
Preferably, both ends of the first part are provided with annular bulges; one end of the second component is provided with an annular bulge, the other end of the second component is provided with an annular groove, and the annular bulge at one section of the first component is positioned in the annular groove of the second component and is provided with a gap; the spring is disposed in a gap formed between the annular projection of the first member and the annular groove of the second member.
Preferably, the inner walls of the two clamping mechanisms of the fixing device are provided with a plurality of projections for preventing the cable outer sheath from sliding, and the arrangement of the projections can increase the friction between the cable outer sheath and the inner walls of the clamping mechanisms so as to enhance the fixing effect of the fixing device.
Preferably, one end of each of the two clamping mechanisms is connected through the rotating shaft, and the other end of each of the two clamping mechanisms is provided with a locking device. The clamping mechanism can be opened to two sides directly through the rotating shaft so as to put in the cable for fixing operation.
Preferably, the locking device comprises an eccentric cam, a clamping rod and a push-pull rod for driving the eccentric cam to rotate, the upper end of the clamping rod is connected with a rotating shaft of the eccentric cam, and the lower end of the clamping rod is provided with a limiting part. When the cable is fixed, the clamping mechanism can tightly clamp the cable outer sheath only by pushing the push-pull rod inwards, and when the fixing device needs to be opened, the clamping mechanism can be opened only by pulling the push-pull rod outwards.
Preferably, the push-pull rod is detachably connected with the eccentric cam, and the lower end of the push-pull rod is provided with a protruding part; and a clamping groove for inserting the protruding part is formed in the upper end of the eccentric cam. The push-pull rod can be directly detached after the installation of the docking device, so that other irrelevant personnel can be prevented from operating the docking device.
Preferably, the surface of the protruding part is a curved surface, the inner wall of the clamping groove is also a curved surface, and the protruding part can be embedded into the clamping groove without a gap. The curved protrusion can provide a longer movement stroke for the push-pull rod, and is beneficial to the clamping mechanism to clamp the cable outer sheath more tightly.
Preferably, the opening at the upper end of the clamping groove is provided with a sealing device, the sealing device is positioned inside the eccentric cam, and the sealing device is movably connected with the eccentric cam through a spring. The sealing device can automatically pop out and seal the opening of the clamping groove after the push-pull rod is taken down, so that sundries are prevented from entering the clamping groove.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the cable intermediate docking device of the present invention.
Fig. 2 is a schematic cross-sectional view of the present embodiment.
Fig. 3 is a schematic structural diagram of the fixing device in this embodiment.
Fig. 4 is a schematic structural diagram of the locking device in this embodiment.
Fig. 5 is a schematic cross-sectional view of the locking device in this embodiment.
Fig. 6 is a schematic structural diagram of the connecting device in this embodiment.
Fig. 7 is a cross-sectional view of the connecting device in this embodiment.
Reference numerals: 1. a fixing device; 10. a clamping mechanism; 11. a bump; 12. a locking device; 120. an eccentric cam; 1201. a card slot; 121. a clamping lever; 122. a push-pull rod; 1220. a projection; 123. a limiting part; 13. a bayonet; 2. a connecting device; 20. a first member; 201. an annular projection; 21. a second component; 210. an annular groove; 22. a spring.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The cable middle butt joint device shown in fig. 1 and 2 comprises two fixing devices 1 and two connecting devices 2, wherein the two fixing devices 1 are respectively located at two ends of the connecting device 2, a bayonet 13 is arranged at one end of each fixing device, which is close to the connecting device 2, two annular protrusions 201 are respectively arranged at two ends of the connecting device 2, and the annular protrusions 201 penetrate through the bayonet 13 and enter the fixing devices 1.
As shown in fig. 3, the fixing device 1 is provided with two movably connected clamping mechanisms 10, the two clamping mechanisms 10 are in a symmetrical semi-ring shape, one ends of the two clamping mechanisms 10 are connected through a rotating shaft, the other ends of the two clamping mechanisms 10 are provided with locking devices 12, a circular groove for fixing a cable protection sleeve is formed between the two clamping mechanisms 10, the clamping mechanisms 10 can be directly opened towards two sides by opening the locking devices 12 so as to put in a cable for fixing, after the cable is put in, the two clamping mechanisms 10 are buckled inwards, then the locking devices 12 are closed, and the fixing of the cable is completed.
The same end of the two clamping mechanisms 10 is provided with a bayonet 13 for being clamped with the connecting device 2, the bayonet 13 is two symmetrical semi-annular protrusions 201, and the two semi-annular protrusions 201 are respectively arranged on the inner walls of the two clamping mechanisms 10.
The inner wall of the clamping mechanism 10 is also provided with a plurality of projections 11 for preventing the cable outer sheath from sliding, and the arrangement of the projections 11 can increase the friction between the cable outer sheath and the inner wall of the clamping mechanism 10 so as to enhance the fixing effect of the fixing device 1.
As shown in fig. 4 and 5, the locking device 12 includes an eccentric cam 120, a clamping rod 121, and a push-pull rod 122 for driving the eccentric cam 120 to rotate, wherein the upper end of the clamping rod 121 is connected to the rotating shaft of the eccentric cam 120, and the lower end of the clamping rod 121 is provided with a limiting portion 123; the push-pull rod 122 is detachably connected with the eccentric cam 120, the lower end of the push-pull rod 122 is provided with a convex part 1220, and the surface of the convex part 1220 is a curved surface; the upper end of the eccentric cam 120 is provided with a clamping groove 1201 for inserting the protruding part 1220, the inner wall of the clamping groove 1201 is also a curved surface, the protruding part 1220 can be embedded into the clamping groove 1201 without a gap, and the curved protruding part can provide a longer movement stroke for the push-pull rod 122, so that the clamping mechanism 10 can clamp the cable outer sheath more firmly.
An opening at the upper end of the clamping groove 1201 is provided with a sealing device, the sealing device is located inside the eccentric cam 120 and is movably connected with the eccentric cam 120 through a spring 22, and the sealing device can automatically pop out and seal the opening of the clamping groove 1201 after the push-pull rod 122 is taken down, so that sundries are prevented from entering the clamping groove 1201.
When the cable is fixed, the push-pull rod 122 is pushed inwards, and the distance between the limiting part 123 and the eccentric cam 120 is gradually reduced, so that the outer sheath of the cable is slowly clamped by the clamping mechanism 10; when it is desired to open the fixation device 1, the clamping mechanism 10 can be opened by simply pulling the push-pull rod 122 outward. After the docking device is installed, the push-pull rod 122 can be directly removed to prevent other extraneous personnel from operating the docking device.
As shown in fig. 6 and 7, the connecting device 2 comprises a first component 20 and a second component 21, wherein both ends of the first component 20 are provided with annular protrusions 201, one end of the second component 21 is provided with an annular protrusion 201, the other end of the second component 21 is provided with an annular groove 210, and the annular protrusion 201 of one section of the first component 20 is positioned in the annular groove 210 of the second component 21 with a gap; the spring 22 is arranged in a gap formed between the annular protrusion 201 of the first component 20 and the annular groove 210 of the second component 21, and the spring 22 can buffer the extrusion force and the pulling force of the butt joint and prevent the connecting device 2 from being broken due to strong external force, so that the cable core connection position is protected from being damaged. The connecting device 2 is hollow to form a wire slot for wrapping the cable core, and the wire slot penetrates through the whole connecting device 2 and is communicated with the circular slot of the fixing device 1.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (10)
1. Interfacing apparatus in middle of the cable, its characterized in that: the cable protection sleeve fixing device comprises two fixing devices (1) and two connecting devices (2), wherein the two fixing devices (1) are movably connected, a circular groove for fixing a cable protection sleeve is formed between the two clamping mechanisms (10), and one end of each fixing device (1) is also provided with a bayonet (13) for being clamped with the connecting device (2); the connecting device (2) is internally hollow to form a wire groove used for wrapping the cable core, and two ends of the connecting device (2) are respectively provided with an annular bulge (201) used for being embedded into the bayonet (13).
2. The cable intermediate docking device as recited in claim 1, wherein: the connecting device (2) comprises a first part (20) and a second part (21), and the first part (20) and the second part (21) are connected through a spring (22).
3. The cable intermediate docking device as recited in claim 2, wherein: two ends of the first component (20) are provided with annular bulges (201); one end of the second component (21) is provided with an annular bulge (201), the other end of the second component is provided with an annular groove (210) (x), and the annular bulge (201) at one end of the first component (20) is positioned in the annular groove (210) (x) of the second component (21) and is provided with a gap; the spring (22) is arranged in a gap formed between the annular protrusion (201) of the first component (20) and the annular groove (210) (x) of the second component (21).
4. The cable intermediate docking device as recited in claim 1, wherein: the inner walls of the two clamping mechanisms (10) of the fixing device (1) are provided with a plurality of projections (11) for preventing the cable protective sleeve from sliding.
5. The cable intermediate docking device as recited in claim 1, wherein: one end of each of the two clamping mechanisms (10) is connected through a rotating shaft, and the other end of each of the two clamping mechanisms is provided with a locking device (12).
6. The cable intermediate docking device of claim 5, wherein: the locking device (12) comprises an eccentric cam (120), a clamping rod (121) and a push-pull rod (122) for driving the eccentric cam (120) to rotate, and the upper end of the clamping rod (121) is connected with a rotating shaft of the eccentric cam (120).
7. The lower end of the clamping rod (121) is provided with a limiting part (123).
8. The cable intermediate docking device of claim 6, wherein: the push-pull rod (122) is detachably connected with the eccentric cam (120), and a protruding part (1220) is arranged at the lower end of the push-pull rod (122); the upper end of the eccentric cam (120) is provided with a clamping groove (1201) for inserting the protruding part (1220).
9. The cable intermediate docking device of claim 6, wherein: the surface of the protruding part (1220) is a curved surface, the inner wall of the clamping groove (1201) is also a curved surface, and the protruding part (1220) can be embedded into the clamping groove (1201) without a gap.
10. The cable intermediate docking device of claim 6, wherein: an opening at the upper end of the clamping groove (1201) is provided with a sealing device, the sealing device is positioned inside the eccentric cam (120), and the sealing device is movably connected with the eccentric cam (120) through a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010005534.9A CN111030034A (en) | 2020-01-03 | 2020-01-03 | Cable intermediate butt joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010005534.9A CN111030034A (en) | 2020-01-03 | 2020-01-03 | Cable intermediate butt joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111030034A true CN111030034A (en) | 2020-04-17 |
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ID=70198476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010005534.9A Pending CN111030034A (en) | 2020-01-03 | 2020-01-03 | Cable intermediate butt joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111030034A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018530A (en) * | 2020-08-06 | 2020-12-01 | 山东正泰电缆有限公司 | Clamping head for large-length high-voltage cable and assembling method thereof |
| CN113839259A (en) * | 2021-09-15 | 2021-12-24 | 国网山东省电力公司博兴县供电公司 | Combined type fixing and clamping device for power electrified cable |
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| CN2049419U (en) * | 1989-08-08 | 1989-12-13 | 梁殿岐 | Universal electric cable connecting device |
| CN102052882A (en) * | 2009-11-02 | 2011-05-11 | 西安华科光电有限公司 | Quick clamping device |
| CN103762538A (en) * | 2014-01-22 | 2014-04-30 | 钢铁研究总院青岛海洋腐蚀研究所 | Underwater cable bending resistant protective pipe and using method thereof |
| CN203859484U (en) * | 2014-06-07 | 2014-10-01 | 丁大电缆科技有限公司 | Device for rapidly fastening communication cables |
| CN204651868U (en) * | 2015-05-13 | 2015-09-16 | 江苏美联集团有限公司 | A kind of novel tubular bus connector |
| CN108063321A (en) * | 2016-12-12 | 2018-05-22 | 上海电巴新能源科技有限公司 | Arrangements of electric connection |
| CN207510744U (en) * | 2017-11-16 | 2018-06-19 | 深圳市科比特航空科技有限公司 | Unmanned plane fast disassembly type reliability test frame |
| CN108336709A (en) * | 2018-05-16 | 2018-07-27 | 徐赵东 | A kind of Anti-galloping vibration absorber of contact line or power transmission line |
-
2020
- 2020-01-03 CN CN202010005534.9A patent/CN111030034A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049419U (en) * | 1989-08-08 | 1989-12-13 | 梁殿岐 | Universal electric cable connecting device |
| CN102052882A (en) * | 2009-11-02 | 2011-05-11 | 西安华科光电有限公司 | Quick clamping device |
| CN103762538A (en) * | 2014-01-22 | 2014-04-30 | 钢铁研究总院青岛海洋腐蚀研究所 | Underwater cable bending resistant protective pipe and using method thereof |
| CN203859484U (en) * | 2014-06-07 | 2014-10-01 | 丁大电缆科技有限公司 | Device for rapidly fastening communication cables |
| CN204651868U (en) * | 2015-05-13 | 2015-09-16 | 江苏美联集团有限公司 | A kind of novel tubular bus connector |
| CN108063321A (en) * | 2016-12-12 | 2018-05-22 | 上海电巴新能源科技有限公司 | Arrangements of electric connection |
| CN207510744U (en) * | 2017-11-16 | 2018-06-19 | 深圳市科比特航空科技有限公司 | Unmanned plane fast disassembly type reliability test frame |
| CN108336709A (en) * | 2018-05-16 | 2018-07-27 | 徐赵东 | A kind of Anti-galloping vibration absorber of contact line or power transmission line |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018530A (en) * | 2020-08-06 | 2020-12-01 | 山东正泰电缆有限公司 | Clamping head for large-length high-voltage cable and assembling method thereof |
| CN113839259A (en) * | 2021-09-15 | 2021-12-24 | 国网山东省电力公司博兴县供电公司 | Combined type fixing and clamping device for power electrified cable |
| CN113839259B (en) * | 2021-09-15 | 2024-04-16 | 国网山东省电力公司博兴县供电公司 | Combined type fixing and clamping device for power energizing cable |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |
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| RJ01 | Rejection of invention patent application after publication |