CN215267484U - Power cable tunnel shock attenuation support that insulates against heat - Google Patents
Power cable tunnel shock attenuation support that insulates against heat Download PDFInfo
- Publication number
- CN215267484U CN215267484U CN202121530891.3U CN202121530891U CN215267484U CN 215267484 U CN215267484 U CN 215267484U CN 202121530891 U CN202121530891 U CN 202121530891U CN 215267484 U CN215267484 U CN 215267484U
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- support
- fixed cover
- buffering
- cable tunnel
- ring plate
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Abstract
The utility model discloses a power cable tunnel shock attenuation support that insulates against heat, it includes the leg joint crown plate, first support and second support, leg joint crown plate bottom is equipped with prevents moving the kicking block, first support and second leg joint are on the leg joint crown plate, connecting axle outside annular is equipped with the buffering boss, the buffering boss is connected with damping elastic element, be equipped with the buffering through-hole that corresponds with buffering boss and damping elastic element position on first support and second support and the leg joint crown plate, the interval is equipped with first fixed cover on the first support, be equipped with the fixed cover of second on the second support, be provided with the back-fire relief plate between the first fixed cover, be equipped with thermal-insulated flange in the fixed cover of second, thermal-insulated flange top and left and right sides are equipped with the spacing groove that matches with the surface shape of cable. The utility model effectively improves the anti-seismic performance of the bracket under special conditions; the safety and reliability of the cable in the operation process are improved, and the occurrence probability of safety accidents is reduced.
Description
Technical Field
The utility model relates to a cable tunnel correlation equipment field, in particular to thermal-insulated shock absorber support in power cable tunnel.
Background
Along with the rapid development in city, the power demand constantly increases, the power cable quantity in city also constantly increases, change existing overhead line cable and bury underground, can vacate a lot of spaces, and cable tunnel is very big has improved the shallow mixed and disorderly circuit of burying in city and has laid the condition, can also make the staff all more convenient to the inspection and the maintenance of cable, therefore, cable tunnel has obtained more and more application, cable tunnel holds cable quantity more, there is the passageway that supplies installation and tour, the underground structure of totally enclosed type, and need a large amount of cable support to support many specifications cable, and cable support in the present market has following several problems: 1. the support has a simple structure, only plays a role of supporting, has limited bearing capacity and is easy to fall off or damage; 2. the support does not have any anti-seismic and heat-insulation structure, and has extremely limited response capability to special conditions such as earthquakes, fire disasters and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of cable support existence among the above-mentioned prior art power cable tunnel, provide a power cable tunnel shock absorber support that insulates against heat rational in infrastructure, safety and stability, long service life, intensity are high.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a power cable tunnel heat insulation and shock absorption support comprises a support connecting ring plate, a first support and a second support, wherein the support connecting ring plate is fixed on the inner wall of a cable tunnel, an anti-moving jacking block is arranged at the bottom of the support connecting ring plate, the first support and the second support are connected on the support connecting ring plate at intervals through a connecting shaft, a buffering boss is annularly arranged outside the connecting shaft and connected with a shock absorption elastic part, buffering through holes corresponding to the buffering boss and the shock absorption elastic part are arranged on the first support, the first support is provided with a first fixing sleeve at intervals, the second support is provided with a second fixing sleeve, the first fixing sleeve and the second fixing sleeve are divided into a bottom sleeve and a top sleeve and movably connected through fixing bolts, and a fire retardant plate is arranged between the first fixing sleeves, the second fixing sleeve is internally provided with a heat insulation convex plate, and the top and the left side and the right side of the heat insulation convex plate are provided with limit grooves matched with the outer surface shape of the cable.
Furthermore, the lower parts of the first bracket and the second bracket are provided with reinforcing and supporting ribs.
Furthermore, limiting bosses are arranged on the outer sides of the first support and the second support.
The utility model has the advantages that: compared with the prior art: 1. the shock absorption structure is arranged at the joint of the bracket and the bracket connecting ring plate, so that the shock resistance of the bracket under special conditions is effectively improved; 2. fixing different types of cables through fixing sleeves with different forms of structures, and increasing a heat-insulating fireproof structure, thereby improving the safety and reliability of the cables in the operation process and reducing the occurrence probability of safety accidents; 3. The stability of the bracket is increased by arranging the reinforcing and supporting ribs at the lower part of the bracket.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
fig. 3 is an enlarged view of the second pouch of fig. 1;
fig. 4 is an enlarged X-X structural diagram of fig. 1.
In the figure, 1, a bracket is connected with a ring plate; 2. a cable tunnel; 3. A first fixing sleeve; 4. A fire barrier plate; 5. A first bracket; 6. Reinforcing the support ribs; 7. A second bracket; 8. An anti-moving jacking block; 9. A cable; 10. A limiting boss 11 and a second fixing sleeve; 12. Jacking and sleeving; 13. A bottom cover; 14. A heat insulation convex plate; 15. Fixing the bolt; 16. A compression spring; 17. A limiting groove; 18. A buffer through hole; 19. a connecting shaft; 20. Buffering the boss; 21. A shock absorbing elastomeric member.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in the figure, the power cable tunnel heat-insulation shock-absorption support comprises a support connecting ring 1, a first support 5 and a second support 7, a support connecting ring plate is fixed on the inner wall of a cable tunnel 2, an anti-moving jacking block 8 is arranged at the bottom of the support connecting ring plate, the first support and the second support are connected to the support connecting ring plate at intervals through a connecting shaft 19, a buffering boss 20 is annularly arranged on the outer side of the connecting shaft, the buffering boss is connected with a shock-absorption elastic part 21, buffering through holes 18 corresponding to the buffering boss and the shock-absorption elastic part are arranged on the first support, the second support and the support connecting ring plate, the first support and the second support are connected to the support connecting ring plate at intervals, reinforcing supporting ribs 6 are arranged on the lower portions of the first support and the second support, and a limiting boss 10 is arranged on the outer sides of the first support and the second support, the interval is provided with first fixed cover 3 (can correspond the 220kV cable) on the first support, be provided with the fixed cover 11 of second (can correspond the 35kV cable) on the second support, first fixed cover and the fixed cover of second divide into end cover 13 and top cover 12 two parts and through fixing bolt 15 and 16 swing joint of clamp bolt, be provided with back-fire relief plate 4 between the first fixed cover, be provided with thermal-insulated flange 14 in the fixed cover of second, thermal-insulated flange top and left and right sides are provided with the spacing groove 17 that matches with the surface shape of cable.
In the above, the bracket connection ring plate 2 may be made of a stainless steel material, the first bracket 5 and the second bracket 7 may be made of a light high-strength aluminum alloy or magnesium alloy material, and the fire retardant plate 4 and the heat insulation boss 14 may be made of a fire retardant rock wool material and a heat insulation glass fiber material.
The utility model utilizes the connecting shaft with the buffering boss and the shock-absorbing elastic part arranged at the connecting part of the first bracket, the second bracket and the bracket connecting ring plate, thereby not only ensuring the stability of connection, but also being capable of buffering the shock sensation generated by the shaking of the cable through transmission when the cable and the bracket are vibrated; the fire retardant plate and the heat insulation convex plate are utilized to reduce heat transfer between cables and reduce the probability of fire; the reinforcing support ribs can also improve the service life and mechanical strength of the bracket.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the specific embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (3)
1. The utility model provides a power cable tunnel shock attenuation support that insulates against heat which characterized in that: the device comprises a support connecting ring plate (1), a first support (5) and a second support (7), wherein the support connecting ring plate is fixed on the inner wall of a cable tunnel (2), an anti-moving jacking block (8) is arranged at the bottom of the support connecting ring plate, the first support and the second support are connected to the support connecting ring plate at intervals through a connecting shaft (19), a buffering boss (20) is annularly arranged outside the connecting shaft, the buffering boss is connected with a damping elastic part (21), buffering through holes (18) corresponding to the buffering boss and the damping elastic part are arranged on the first support, the second support and the support connecting ring plate, a first fixing sleeve (3) is arranged on the first support at intervals, a second fixing sleeve (11) is arranged on the second support, the first fixing sleeve and the second fixing sleeve are divided into a bottom sleeve (13) and a top sleeve (12) and are movably connected through a fixing bolt (15), be provided with back-fire relief plate (4) between the first fixed cover, be provided with thermal-insulated flange (14) in the fixed cover of second, thermal-insulated flange top and left and right sides are provided with spacing groove (17) that match with the surface shape of cable.
2. The power cable tunnel heat-insulation shock-absorption bracket as claimed in claim 1, wherein: and reinforcing support ribs (6) are arranged at the lower parts of the first support (5) and the second support (7).
3. The power cable tunnel heat-insulation shock-absorption bracket as claimed in claim 1, wherein: and limiting bosses (10) are arranged on the outer sides of the first support (5) and the second support (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121530891.3U CN215267484U (en) | 2021-07-07 | 2021-07-07 | Power cable tunnel shock attenuation support that insulates against heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121530891.3U CN215267484U (en) | 2021-07-07 | 2021-07-07 | Power cable tunnel shock attenuation support that insulates against heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215267484U true CN215267484U (en) | 2021-12-21 |
Family
ID=79487612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121530891.3U Active CN215267484U (en) | 2021-07-07 | 2021-07-07 | Power cable tunnel shock attenuation support that insulates against heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215267484U (en) |
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2021
- 2021-07-07 CN CN202121530891.3U patent/CN215267484U/en active Active
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