CN210669367U - Flame-retardant fireproof pipe sleeve for power cable - Google Patents
Flame-retardant fireproof pipe sleeve for power cable Download PDFInfo
- Publication number
- CN210669367U CN210669367U CN201921845832.8U CN201921845832U CN210669367U CN 210669367 U CN210669367 U CN 210669367U CN 201921845832 U CN201921845832 U CN 201921845832U CN 210669367 U CN210669367 U CN 210669367U
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- power cable
- main part
- fire
- retardant
- pipe box
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Abstract
The utility model discloses a fire-retardant fire prevention pipe box for power cable, including pipe box main part, protection staple bolt, fire prevention putty and power cable main part, the outside cover of power cable main part is equipped with the pipe box main part, and the inside one side that is close to the power cable main part of pipe box main part is provided with the second cavity, the inside one side of keeping away from the power cable main part of pipe box main part is provided with first cavity, and the outside of pipe box main part is evenly overlapped and is equipped with the protection staple bolt, the both sides align to grid of carbon steel enhancement layer has the rigidity spring housing, the even coating in the outside of protection staple bolt has the paint layer. The utility model discloses an install power cable main part, pipe box main part, first cavity, fire-retardant ball, second cavity and radiating fin, evenly filled there is the fire prevention putty in the inside of fire-retardant ball, and the material of fire prevention putty is polycarbonate, can effectually prevent stretching of intensity of a fire when meetting the naked light, prevents the burning of power cable main part, improves the security.
Description
Technical Field
The utility model relates to a power cable protector technical field specifically is a power cable is with fire-retardant fire prevention pipe box.
Background
In a power line, the proportion of cables is gradually increased, the power cables are cable products used for transmitting and distributing high-power electric energy in a main line of a power system, and a cable protective sleeve is a sleeve for protecting the cables in power engineering, but most of the existing protective sleeves are simple in structure and single in function, and have the following problems;
1. most of the protective pipe sleeves do not have the functions of flame retardance and fire prevention, are low in safety, have poor heat dissipation function and are easily influenced by high temperature;
2. the protective pipe sleeve has low protection force on the power cable, and the internal power cable is easy to damage when being extruded and collided by the outside;
3. the protective pipe sleeve has poor structural strength and compressive property and short service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-retardant fire prevention pipe box for power cable to solve the current power cable protective tube cover security that proposes in the above-mentioned background art lower, the protection dynamics is not enough and the shorter problem of life.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-retardant fire prevention pipe box for power cable, includes pipe box main part, protection staple bolt, fire prevention putty and power cable main part, the outside cover of power cable main part is equipped with the pipe box main part, and the inside one side that is close to the power cable main part of pipe box main part is provided with the second cavity, the inside one side of keeping away from the power cable main part of pipe box main part is provided with first cavity, and the outside of pipe box main part is evenly overlapped and is equipped with the protection staple bolt, the both ends of protection staple bolt bottom are articulated mutually, and the both ends at protection staple bolt top all pass through fixing bolt and connect, the inside of protection staple bolt lateral wall all is provided with the carbon steel enhancement layer, the both sides align to grid of carbon steel enhancement layer has the rigid spring housing.
Preferably, both sides of protection staple bolt all are fixed with solid fixed ring, and all pass between the solid fixed ring and be fixed with the anchor strut.
Preferably, the inside of first cavity evenly is provided with fire-retardant ball, and fire-retardant ball is the concentric circles and arranges, fire-retardant putty is evenly filled to the inside of fire-retardant ball, and the material of fire-retardant putty is polycarbonate.
Preferably, the inside of the second chamber is uniformly provided with heat dissipation fins, and the heat dissipation fins are uniformly provided with heat dissipation holes.
Preferably, all be fixed with the bolster between the radiating fin, and the bolster includes extrusion piece, sleeve and reset spring, the inside of second cavity evenly is fixed with the sleeve, and telescopic inside all is provided with the extrusion piece through reset spring, the extrusion piece all with the outer wall connection of power cable main part.
Preferably, the reinforcing ribs are uniformly arranged inside the carbon steel reinforcing layer and are of an I-shaped structure.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this fire-retardant fire prevention pipe box for power cable is through installing the power cable main part, the pipe box main part, first cavity, fire-retardant ball, second cavity and radiating fin, it has the fire prevention putty to evenly fill in fire-retardant ball's inside, the material of fire prevention putty is polycarbonate, can effectually prevent stretching of intensity of a fire when meetting open fire, prevent the burning of power cable main part, the security is improved, evenly be provided with the louvre on the radiating fin, make the air flow through the louvre, and radiating fin sets up along the outer perimeter slope of pipe box main part inner circle, make the great enhancement that the heat dispersion ability of pipe box main part obtained, avoid the heat to pile up and make the pipe box main part be heated ageing.
(2) This fire-retardant fire prevention pipe box for power cable is through being provided with the bolster, the bolster includes the sleeve, extrusion piece and reset spring, the inside sleeve that evenly is fixed with of second cavity, telescopic inside all is provided with the extrusion piece through reset spring, the extrusion piece all with the outer wall connection of power cable main part, make when receiving external extrusion collision, the impact force is at first used on the sleeve, make the extrusion piece slide and compress reset spring in the sleeve, the shrink through reset spring is kick-backed and is absorbed partly impact force, play the effect of shock attenuation buffering, the protective force to the power cable main part is strengthened greatly.
(3) This fire-retardant fire prevention pipe box for power cable is through evenly overlapping the protection staple bolt in the outside of pipe box main part, the both ends at protection staple bolt top all are connected through fixing bolt, the both ends of protection staple bolt bottom are articulated mutually, the both sides of protection staple bolt all are fixed with solid fixed ring, it is fixed with the anchor strut all to pass transversely in the fixed ring, be convenient for improve the outside intensity of pipe box main part, make it be difficult to warp, furthermore, the inside at protection staple bolt lateral wall is provided with the carbon steel enhancement layer, the inside of carbon steel enhancement layer evenly is provided with the strengthening rib of "worker" style of calligraphy structure, be convenient for improve the structural strength of protection staple bolt self, carbon steel has the rigidity spring housing in the both sides align to grid of enhancement layer simultaneously, be convenient for improve the compressive property of protection staple.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the buffer of the present invention;
fig. 4 is an enlarged cross-sectional structure diagram of the utility model at a in fig. 2.
In the figure: 1. a sleeve body; 2. a fixing ring; 3. a protective hoop; 4. a first chamber; 5. fixing the bolt; 6. a buffer member; 601. extruding the block; 602. a sleeve; 603. a return spring; 7. a flame-retardant ball; 8. fireproof blocking; 9. a second chamber; 10. a power cable body; 11. a heat dissipating fin; 12. a reinforcing rod; 13. reinforcing ribs; 14. a carbon steel reinforcing layer; 15. a rigid spring housing; 16. and (4) paint coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a flame-retardant fireproof pipe sleeve for a power cable comprises a pipe sleeve main body 1, a protective hoop 3, a fireproof blocking material 8 and a power cable main body 10, wherein the pipe sleeve main body 1 is sleeved on the outer side of the power cable main body 10, a second cavity 9 is arranged on one side, close to the power cable main body 10, in the pipe sleeve main body 1, heat dissipation fins 11 are uniformly arranged in the second cavity 9, and heat dissipation holes are uniformly formed in the heat dissipation fins 11;
air can flow through the heat dissipation holes, and the heat dissipation fins 11 are obliquely arranged along the outer circumference of the inner ring of the pipe sleeve main body 1, so that the heat dissipation performance of the pipe sleeve main body 1 is greatly enhanced, and the pipe sleeve main body 1 is prevented from being heated and aged due to heat accumulation;
when the power cable is extruded and collided by the outside, impact force firstly acts on the sleeve 602 to promote the extrusion block 601 to slide in the sleeve 602 and compress the return spring 603, and a part of the impact force is absorbed through the contraction and rebound of the return spring 603, so that the effect of shock absorption and buffering is achieved, and the protection force on the power cable main body 10 is greatly enhanced;
a first chamber 4 is arranged on one side, far away from the power cable main body 10, inside the pipe sleeve main body 1, flame-retardant balls 7 are uniformly arranged inside the first chamber 4, the flame-retardant balls 7 are arranged in concentric circles, fireproof putty 8 is uniformly filled inside the flame-retardant balls 7, and the fireproof putty 8 is made of polycarbonate;
when exposed fire occurs, the spread of fire can be effectively prevented, the burning of the power cable main body 10 is prevented, and the safety is improved;
the outer side of the pipe sleeve main body 1 is uniformly sleeved with a protection hoop 3, two ends of the bottom of the protection hoop 3 are hinged, and two ends of the top of the protection hoop 3 are connected through fixing bolts 5;
the fixing rings 2 are fixed on the two sides of the protection hoop 3, and the reinforcing rods 12 penetrate through and are fixed between the fixing rings 2, so that the strength of the outer part of the pipe sleeve main body 1 is improved conveniently, and the pipe sleeve main body is supported so as not to deform easily;
the inside of 3 lateral walls of protection staple bolts all is provided with carbon steel enhancement layer 14, and the inside of carbon steel enhancement layer 14 evenly is provided with strengthening rib 13, and strengthening rib 13 all is "worker" style of calligraphy structure, and the both sides align to grid of carbon steel enhancement layer 14 has rigid spring housing 15, and the even coating in the outside of protection staple bolt 3 has paint layer 16, is convenient for improve the structural strength and the compressive property of pipe box main part 1, and the outer wall is difficult to corrode simultaneously and rusts increase of service life.
The working principle is as follows: when the pipe sleeve main body 1 is used, the pipe sleeve main body 1 is sleeved outside the power cable main body 10, then the protection hoops 3 are sleeved outside the pipe sleeve main body 1, the fixing rings 2 are fixed on two sides of each protection hoop 3, and the reinforcing rods 12 penetrate through and are fixed in the fixing rings 2 in the transverse direction, so that the strength of the outside of the pipe sleeve main body 1 is improved conveniently, and the pipe sleeve main body is supported and is not easy to deform;
a carbon steel reinforcing layer 14 is arranged inside the side wall of the protection hoop 3, reinforcing ribs 13 with I-shaped structures are uniformly arranged inside the carbon steel reinforcing layer 14, so that the structural strength of the protection hoop 3 is improved conveniently, and meanwhile, rigid spring sleeves 15 are uniformly arranged on two sides of the carbon steel reinforcing layer 14, so that the compression resistance of the protection hoop 3 is improved conveniently, and the service life is prolonged;
when the power cable is extruded and collided by the outside, impact force firstly acts on the sleeve 602 to promote the extrusion block 601 to slide in the sleeve 602 and compress the return spring 603, and a part of the impact force is absorbed through the contraction and rebound of the return spring 603, so that the effect of shock absorption and buffering is achieved, and the protection force on the power cable main body 10 is greatly enhanced;
the fire-retardant ball 7 and the radiating fins 11 are arranged inside the pipe sleeve main body 1, the fire-retardant blocking material 8 is uniformly filled inside the fire-retardant ball 7, the fire-retardant blocking material 8 is made of polycarbonate, the spread of fire can be effectively prevented when open fire occurs, the power cable main body 10 is prevented from burning, the safety is improved, radiating holes are uniformly formed in the radiating fins 11, air can flow through the radiating holes, the radiating fins 11 are obliquely arranged along the outer circumference of the inner ring of the pipe sleeve main body 1, the radiating performance of the pipe sleeve main body 1 is greatly enhanced, and heat accumulation is avoided to enable the pipe sleeve main body 1 to be subjected to thermal aging.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (6)
1. The utility model provides a fire-retardant fire prevention pipe box for power cable, includes pipe box main part (1), protection staple bolt (3), fire prevention putty (8) and power cable main part (10), its characterized in that: the utility model discloses a protection anchor ear, including pipe sleeve main part (1), protection anchor ear (3), both ends of protection anchor ear (3) bottom are articulated mutually, and the both ends at protection anchor ear (3) top all are connected through fixing bolt (5), the inside carbon steel enhancement layer (14) that all is provided with of protection anchor ear (3) lateral wall, the both sides align to grid of carbon steel enhancement layer (14) has rigidity spring housing (15), the outside of protection anchor ear (3) has paint layer (16) to evenly coat.
2. The flame-retardant fireproof tube sleeve for the power cable according to claim 1, wherein: both sides of protection staple bolt (3) all are fixed with solid fixed ring (2), and all pass between solid fixed ring (2) and be fixed with anchor strut (12).
3. The flame-retardant fireproof tube sleeve for the power cable according to claim 1, wherein: the fire-retardant ball (7) are evenly arranged in the first cavity (4), the fire-retardant balls (7) are arranged in concentric circles, fire-retardant putty (8) are evenly filled in the fire-retardant balls (7), and the fire-retardant putty (8) is made of polycarbonate.
4. The flame-retardant fireproof tube sleeve for the power cable according to claim 1, wherein: radiating fins (11) are uniformly arranged inside the second chamber (9), and radiating holes are uniformly formed in the radiating fins (11).
5. The flame-retardant and fire-proof pipe sleeve for the power cable according to claim 4, wherein: all be fixed with bolster (6) between radiating fin (11), and bolster (6) are including extrusion piece (601), sleeve (602) and reset spring (603), the inside of second cavity (9) evenly is fixed with sleeve (602), and the inside of sleeve (602) all is provided with extrusion piece (601) through reset spring (603), extrusion piece (601) all with the outer wall connection of power cable main part (10).
6. The flame-retardant fireproof tube sleeve for the power cable according to claim 1, wherein: reinforcing ribs (13) are uniformly arranged inside the carbon steel reinforcing layer (14), and the reinforcing ribs (13) are in I-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921845832.8U CN210669367U (en) | 2019-10-30 | 2019-10-30 | Flame-retardant fireproof pipe sleeve for power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921845832.8U CN210669367U (en) | 2019-10-30 | 2019-10-30 | Flame-retardant fireproof pipe sleeve for power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210669367U true CN210669367U (en) | 2020-06-02 |
Family
ID=70819938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921845832.8U Expired - Fee Related CN210669367U (en) | 2019-10-30 | 2019-10-30 | Flame-retardant fireproof pipe sleeve for power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210669367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823451A (en) * | 2020-06-19 | 2021-12-21 | 中特华星电缆股份有限公司 | Middle-high voltage fire-resistant power cable |
| CN113937690A (en) * | 2021-09-28 | 2022-01-14 | 国网浙江省电力有限公司绍兴市上虞区供电公司 | Transmission line protective tube of quick installation |
| EP4350916A1 (en) | 2022-10-05 | 2024-04-10 | ALSTOM Holdings | Flame-proof cable feedthrough, container and rail vehicle having a flame-proof cable feedthrough, and use of a foam seal |
-
2019
- 2019-10-30 CN CN201921845832.8U patent/CN210669367U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113823451A (en) * | 2020-06-19 | 2021-12-21 | 中特华星电缆股份有限公司 | Middle-high voltage fire-resistant power cable |
| CN113937690A (en) * | 2021-09-28 | 2022-01-14 | 国网浙江省电力有限公司绍兴市上虞区供电公司 | Transmission line protective tube of quick installation |
| CN113937690B (en) * | 2021-09-28 | 2023-08-22 | 国网浙江省电力有限公司绍兴市上虞区供电公司 | Transmission line protection tube of quick installation |
| EP4350916A1 (en) | 2022-10-05 | 2024-04-10 | ALSTOM Holdings | Flame-proof cable feedthrough, container and rail vehicle having a flame-proof cable feedthrough, and use of a foam seal |
| WO2024074463A1 (en) | 2022-10-05 | 2024-04-11 | Alstom Holdings | Flameproof cable bushing, container and rail vehicle having a flameproof cable bushing, and use of a foam seal |
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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: 20200602 Termination date: 20211030 |