CN216252139U - Explosion-proof protection device for cable joint - Google Patents
Explosion-proof protection device for cable joint Download PDFInfo
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- CN216252139U CN216252139U CN202122136052.XU CN202122136052U CN216252139U CN 216252139 U CN216252139 U CN 216252139U CN 202122136052 U CN202122136052 U CN 202122136052U CN 216252139 U CN216252139 U CN 216252139U
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Abstract
The utility model relates to an explosion-proof protection device for a cable joint, which comprises an explosion-proof box and an explosion-proof shell, wherein the explosion-proof box is arranged in the explosion-proof shell, through holes for passing cables are formed in two ends of the explosion-proof box, a fireproof flame-retardant layer is arranged between the explosion-proof box and the explosion-proof shell, adjusting ports are formed in two ends of the explosion-proof shell, fixing devices are arranged on the inner sides of two ends of the explosion-proof shell and used for fixing cables, the cables sequentially pass through the adjusting ports, the fixing devices and the explosion-proof box and are inserted into the explosion-proof box, the surface of the explosion-proof shell is fixedly connected and communicated with a pressure relief pipe, and a rubber plug is arranged at the opening end of the pressure relief pipe. The explosion-proof device can disperse explosion impact force, improve explosion-proof effect and has high safety performance.
Description
Technical Field
The utility model belongs to the technical field of cable protection, and particularly relates to an explosion-proof protection device for a cable joint.
Background
The cable is a medium for power transmission of a power transmission line, the power transmission line usually needs to connect a plurality of cables end to end in sequence to form a continuous line, the number of cable accidents is increased along with the increase of the power transmission line, the accidents caused by cable joints are the most, the cable joints are easy to damp or age after long-term high-load operation due to low insulating property, short circuit, ignition and even explosion are caused, and the cable joints are usually provided with the cable joint explosion-proof box in order to avoid damage to adjacent cables, peripheral facilities and personnel caused by breakdown explosion accidents of the cable.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an explosion-proof protection device for a cable joint, which can disperse explosion impact force, improve the explosion-proof effect and has high safety performance.
The technical scheme adopted by the utility model is as follows: the utility model provides an explosion-proof protection device of cable joint, includes explosion-proof box and explosion-proof shell, explosion-proof box sets up in the inside of explosion-proof shell, the through-hole that is used for the cable to pass through is all offered at explosion-proof box's both ends, be provided with the fire-retardant layer of fire prevention between explosion-proof box and the explosion-proof shell, the regulation mouth has all been seted up at explosion-proof shell's both ends, the both ends inboard of explosion-proof shell all is provided with fixing device, fixing device is used for fixed cable, the cable loops through regulation mouth, fixing device and explosion-proof box and plug in inside explosion-proof box, the fixed surface of explosion-proof shell connects and the intercommunication has the pressure relief pipe, the open end of pressure relief pipe is provided with the rubber buffer.
Preferably, fixing device includes arc splint, stretch cord and spring, arc splint and spring one-to-one are provided with and are no less than two sets ofly, the opening inboard of arc splint is used for fixed cable, the opposite side and the spring fixed connection of arc splint, the one end that arc splint were kept away from to the spring is adjacent with the inner wall fixed connection of explosion-proof housing, connect through the stretch cord between the arc splint.
Preferably, a plurality of the arc-shaped clamping plates are uniformly positioned on the same circumference, and the circle centers of the arc-shaped clamping plates, the adjusting openings and the through holes are positioned on the same straight line.
Preferably, the middle part of the explosion-proof shell is provided with 2-5 arc-shaped bulges which are sequentially arranged on the surface of the explosion-proof shell.
Preferably, the fireproof flame-retardant layer is a glass fiber layer, and the glass fiber layer is arranged on the inner wall of the explosion-proof shell.
Preferably, the explosion-proof box and the explosion-proof shell are both made of aluminum-magnesium alloy.
Preferably, a sealing ring is fixedly arranged on the wall of the through hole, and the sealing ring is a rubber ring.
The utility model has the beneficial effects that:
1. according to the utility model, the explosion-proof housing is arranged on the outer side of the explosion-proof box, and the fireproof flame-retardant layer is arranged between the explosion-proof box and the explosion-proof housing, so that the explosion-proof effect can be effectively improved through three explosion-proof layers, the damage to nearby cables and facilities can be prevented, meanwhile, the damage to workers caused by the strong impact force of explosion can also be prevented, and the safety performance is high.
2. According to the utility model, the plurality of arc-shaped bulges are arranged in the middle of the explosion-proof shell, so that the explosion impact force can be dispersed and reduced, the pressure relief pipe with the rubber plug is arranged on the surfaces of the arc-shaped bulges, the rubber plug can be flushed away under strong impact force, and the pressure in the explosion-proof box is released from the pressure relief pipe, so that the explosion impact force is buffered, and the explosion-proof shell is prevented from being broken.
3. According to the utility model, through the arrangement of the fixing device, the cable can be clamped, so that the cable can be well fixed, the cable is prevented from being separated from the explosion-proof box, the cable can be fixed in the explosion-proof shell when the explosion-proof box is broken, and meanwhile, the cable is convenient to disassemble, assemble and replace.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
fig. 3 is a schematic sectional view taken along the direction a-a in fig. 1.
In the figure: 1. explosion-proof box 2, explosion-proof shell 21, arc arch 3, through-hole 4, fire-retardant layer 5 of preventing fires, regulation mouth 6, fixing device 61, arc splint 62, stretch cord 63, spring 7, pressure release pipe 8, rubber buffer 9, sealing washer 10, cable 11, cable joint.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and are specifically described below with reference to the embodiments.
Example 1
As shown in fig. 1 and 2, an explosion-proof protection device for a cable joint comprises an explosion-proof box 1 and an explosion-proof housing 2, wherein the explosion-proof box 1 and the explosion-proof housing 2 are made of aluminum-magnesium alloy, the strength is high, the explosion-proof effect is good, an arc-shaped bulge 21 is arranged in the middle of the explosion-proof housing 2, 2-5 arc-shaped bulges 21 are arranged on the surface of the explosion-proof housing 2 in sequence, the explosion impact force can be dispersed, the explosion-proof housing 2 is prevented from being broken, the explosion-proof box 1 is arranged in the explosion-proof housing 2, through holes 3 for cables 10 to pass through are arranged at both ends of the explosion-proof box 1, a sealing ring 9 is fixedly arranged on the hole wall of the through holes 3, the sealing ring 9 adopts a rubber ring and has a waterproof sealing effect, a fireproof flame-retardant layer 4 is arranged between the explosion-proof box 1 and the explosion-proof housing 2, and the fireproof flame-retardant layer 4 is a glass fiber layer, the glass fiber layer is arranged on the inner wall of the explosion-proof shell 2, the glass fiber layer has good flame retardant effect, can prevent the cable 10 from burning and spreading, avoids the damage to nearby cables and personnel, the two ends of the explosion-proof shell 2 are both provided with adjusting ports 5, a fixing device 6 for adjusting the inner side of the explosion-proof shell 2, wherein the inner sides of the two ends of the explosion-proof shell are respectively provided with the fixing device 6, the fixing device 6 is used for fixing a cable 10, the cable 10 passes through the adjusting opening 5, the fixing device 6 and the explosion-proof box 1 in sequence and is inserted into the explosion-proof box 1, the surface of the explosion-proof shell 2 is fixedly connected and communicated with a pressure relief pipe 7, the open end of the pressure relief pipe 7 is provided with a rubber plug 8, when a cable joint 11 explodes, the strong impact force caused by the explosion-proof shell breaks the rubber plug 8, releases the pressure in the explosion-proof shell 2 and prevents the explosion-proof shell 2 from being broken.
Example 2
On the basis of the embodiment 1, the fixing device 6 comprises an arc-shaped clamping plate 61, an elastic rope 62 and a spring 63, as shown in fig. 3, the arc-shaped clamping plates 61 and the springs 63 are in one-to-one correspondence and are provided with at least two groups, the inner side of the opening of the arc-shaped clamping plate 61 is used for fixing the cable 10, the other side of the arc-shaped clamping plate 61 is fixedly connected with a spring 63, one end of the spring 63, which is far away from the arc-shaped clamping plates 61, is fixedly connected with the inner wall of the explosion-proof shell 2, the adjacent arc-shaped clamping plates 61 are connected through elastic ropes 62, the arc-shaped clamping plates 61 are uniformly positioned on the same circumference, its centre of a circle is located same straight line with the center of adjusting mouthful 5 and through-hole 3, and under spring 63's effect, a plurality of arc splint 61 can press from both sides tight cable 10 and play the fixed action to cable 10, prevent that it from removing in explosion-proof box 1, also make cable 10 easily dismouting and change simultaneously.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a cable joint explosion-proof protection device which characterized in that: including explosion-proof box and explosion-proof shell, explosion-proof box sets up in explosion-proof shell's inside, the through-hole that is used for the cable to pass through is all offered at explosion-proof box's both ends, be provided with the fire-retardant layer of fire prevention between explosion-proof box and the explosion-proof shell, the regulation mouth has all been seted up at explosion-proof shell's both ends, explosion-proof shell's both ends inboard all is provided with fixing device, fixing device is used for fixed cable, the cable loops through regulation mouth, fixing device and explosion-proof box and plug in inside explosion-proof box, explosion-proof shell's fixed surface is connected with the pressure relief pipe, the open end of pressure relief pipe is provided with the rubber buffer.
2. An explosion-proof protection device for a cable joint according to claim 1, wherein: fixing device includes arc splint, stretch cord and spring, arc splint and spring one-to-one are provided with and are no less than two sets ofly, the opening inboard of arc splint is used for fixed cable, the opposite side and the spring fixed connection of arc splint, the one end that arc splint were kept away from to the spring and explosion proof housing's inner wall fixed connection, and is adjacent connect through the stretch cord between the arc splint.
3. An explosion-proof protection device for a cable joint according to claim 2, wherein: the arc-shaped clamping plates are uniformly positioned on the same circumference, and the circle centers of the arc-shaped clamping plates, the adjusting openings and the through holes are positioned on the same straight line.
4. An explosion-proof protection device for a cable joint according to claim 1, wherein: the middle part of the explosion-proof shell is provided with arc-shaped bulges, and the arc-shaped bulges are provided with 2-5 arc-shaped bulges and are sequentially arranged on the surface of the explosion-proof shell.
5. An explosion-proof protection device for a cable joint according to claim 1, wherein: the fireproof flame-retardant layer is a glass fiber layer, and the glass fiber layer is arranged on the inner wall of the explosion-proof shell.
6. An explosion-proof protection device for a cable joint according to claim 1, wherein: and the explosion-proof box and the explosion-proof shell are both made of aluminum-magnesium alloy.
7. An explosion-proof protection device for a cable joint according to claim 1, wherein: and a sealing ring is fixedly arranged on the wall of the through hole and is a rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122136052.XU CN216252139U (en) | 2021-09-06 | 2021-09-06 | Explosion-proof protection device for cable joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122136052.XU CN216252139U (en) | 2021-09-06 | 2021-09-06 | Explosion-proof protection device for cable joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216252139U true CN216252139U (en) | 2022-04-08 |
Family
ID=80983918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122136052.XU Expired - Fee Related CN216252139U (en) | 2021-09-06 | 2021-09-06 | Explosion-proof protection device for cable joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216252139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115021196A (en) * | 2022-06-06 | 2022-09-06 | 国网河南省电力公司邓州市供电公司 | Be applied to fire-proof device that explodes of cable junction |
| CN115112502A (en) * | 2022-06-24 | 2022-09-27 | 四川大学 | Method and device for detecting explosion resistance of cable joint explosion-proof box based on electric explosion |
-
2021
- 2021-09-06 CN CN202122136052.XU patent/CN216252139U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115021196A (en) * | 2022-06-06 | 2022-09-06 | 国网河南省电力公司邓州市供电公司 | Be applied to fire-proof device that explodes of cable junction |
| CN115021196B (en) * | 2022-06-06 | 2023-07-25 | 国网河南省电力公司邓州市供电公司 | Fireproof explosion device applied to cable junction |
| CN115112502A (en) * | 2022-06-24 | 2022-09-27 | 四川大学 | Method and device for detecting explosion resistance of cable joint explosion-proof box based on electric explosion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220408 |