CN212269186U - Special hoisting tool for 110kV flexible cable terminal - Google Patents
Special hoisting tool for 110kV flexible cable terminal Download PDFInfo
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- CN212269186U CN212269186U CN202020577000.9U CN202020577000U CN212269186U CN 212269186 U CN212269186 U CN 212269186U CN 202020577000 U CN202020577000 U CN 202020577000U CN 212269186 U CN212269186 U CN 212269186U
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- 239000004020 conductor Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims description 27
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 208000004350 Strabismus Diseases 0.000 abstract description 2
- 230000006855 networking Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a hoisting tool special for a 110kV flexible cable terminal and a networking communication method thereof in short-wave communication, which comprises a sheath fixing device, a supporting platform, an adjustable connecting device and a conductor fixing device; the sheath fixing device is fixed on the supporting platform and can effectively fix the cable sheath; the upper end of the supporting platform is connected with the lower end of the adjustable connecting device; the conductor fixing device is connected with the supporting platform through the adjustable connecting device, so that the cable body can be effectively fixed; although simple structure, convenient operation is nimble in hoist and mount in-process in this application instrument, and use cost is low, can effectively reduce the size of the traction force that the cable sheath single-point received, prevents that cable body and sheath from taking place the relative slip, has guaranteed that the terminal installation size can not take place to squint by a wide margin.
Description
The technical field is as follows:
the utility model relates to a special lifting device of cable termination especially relates to a special lifting device of 110kV flexible cable termination.
Background art:
the power cable is a cable for transmitting and distributing electric energy, and has advantages of high reliability, large distributed capacitance, small maintenance workload, small possibility of electric shock, and the like, compared with an overhead line.
In the power lines, the cable is increasing in specific gravity. In 2018, the total length of the Zhengzhou newly-added high-voltage cable is more than 200 kilometers, the cable terminal is used as a main part for connecting the cable and an overhead line, and the demand is increased to nearly thousands. The original oil-filled equal 110kV rigid cable terminal has long manufacturing time and higher requirements on environment temperature and humidity, and the manufacturing efficiency directly influences the working progress of cable transformation. In order to meet the requirement of completing the large-scale manufacture of the cable terminals in the construction period, the prefabricated 110kV flexible cable terminal is popularized by national network companies comprehensively, and has the characteristics of short installation time, small influence of environmental factors and the like.
In the process of modifying the cable terminal, the fault tripping of the cable line caused by the change of the installation size of the cable terminal accessory is found to occur continuously at the same position of the same line in a short time due to the improper hoisting tool and mode. Because the flexible cable terminal has certain elasticity, the existing cable terminal hoisting mode easily causes the terminal stress cone to displace, the possibility that the cable terminal is punctured is increased, and the power supply reliability of a power grid is seriously threatened.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, the multi-point hoisting tool with the cable sheath and the cable conductor core simultaneously stressed is provided, the problem of cable line fault tripping caused by the fact that the installation size of a cable terminal accessory changes due to the fact that the hoisting tool and the mode are improper is effectively solved, the power supply reliability of a power grid is improved, and the hoisting tool special for the 110kV flexible cable terminal is simple and reliable in technical scheme.
The technical scheme of the utility model is that: the utility model provides a special lifting device of 110kV flexible cable terminal, includes sheath fixing device, supporting platform and conductor fixing device, characterized by: the cable sheath is fixed through the sheath fixing device, the cable is fixed on the supporting platform, the supporting platform and the cable conductor are connected with the conductor fixing device, and the cable is driven to move through pulling the conductor fixing device;
the sheath fixing device comprises a cable clamp and an adjusting bolt, wherein the cable clamp is made of two half-arc cast iron with through holes at two ends, and the cable clamp clamps a cable sheath through the adjusting bolt penetrating through the through holes;
the supporting platform is a square structure formed by mutually connecting two transverse rods and two vertical rods, the upper ends of the two vertical rods are connected with the conductor fixing device, and two fixing holes for the adjusting bolts to penetrate through are formed in the two transverse rods respectively to complete the fixed connection of the cable clamp;
the conductor fixing device is a cross structure formed by a crosspiece and vertical bars, the two ends of the crosspiece are connected with the upper end of the vertical bar, a hanging hole is formed in the upper end of the vertical bar, and a cable conductor connecting hole is formed in the lower end of the vertical bar.
Furthermore, the inner wall of the cable clamp is provided with an anti-skid material, and the anti-skid material is made of anti-skid rubber.
Furthermore, the cross rod is connected with the vertical rod through a connecting bolt, the length, width and height of the vertical rod are 500mm multiplied by 60mm multiplied by 5mm, and the length, width and height of the cross rod are 400mm multiplied by 60mm multiplied by 5 mm.
Further, the crosspieces and the vertical crosspieces are fixedly connected or hinged through bolts penetrating from the centers of the crosspieces and the vertical crosspieces.
Furthermore, the crosspieces and the vertical rods are connected through an adjustable connecting device.
Further, adjustable connecting device includes flexible coupling material, length adjustment device and couple, the couple set up at the both ends of flexible coupling material with crosspiece and montant are connected, long adjustment device sets up the length of flexible coupling material is adjusted at the middle part of flexible coupling material.
Furthermore, crosspiece both ends be provided with the first connecting hole that the couple is connected, the montant upper end be provided with the second connecting hole that the couple is connected, what the couple adopted is that the bird colludes the structure.
Furthermore, the length adjusting device adopts a ratchet structure, mainly comprises a ratchet wheel and a hand-held pawl structure, and the diameter of the ratchet wheel is 36 mm.
Further, the soft connecting material is a nylon woven tape.
Furthermore, the number of the cable conductor connecting holes is two.
The utility model has the advantages that:
1. the utility model discloses a sheath fixing device is fixed and wire fixing device is fixed to cable conductor to cable sheath, and the multiple spot atress when realizing cable hoist and mount can effectively disperse the size of cable sheath single-point traction force that receives, reduces the extension length of sheath, prevents that sheath and conductor sinle silk from taking place relative slip, greatly reduced cable terminal installation size's displacement volume, make the stress cone be in effectual effect within range, guaranteed the reliability of power supply of electric wire netting.
2. The utility model discloses cable clamp is made by two half arc cast irons for press from both sides tight cable sheath during hoist and mount, and anti-skidding material is located the cable clamp inner wall, can increase the frictional force of fixture, eliminates fixture to cable sheath's damage.
3. The utility model discloses adjusting bolt adopts the long high strength bolt of 20cm, when guaranteeing joint strength, is convenient for carry out continuous adjustment in certain length to cable fixture's opening size, guarantees that cable fixture can be applicable to multiple 110kV cable model.
4. The utility model discloses supporting platform is for carrying out the mouth style of calligraphy structure of connecting through connecting bolt to two horizontal poles and two montants, is provided with the fixed orifices that supplies adjusting bolt to run through on the horizontal pole, is convenient for carry out erection bracing to sheath fixing device, and connecting bolt can dismantle, is convenient for transport.
5. The utility model discloses the flexible connection material is connected with crosspiece and montant through couple, first connecting hole and second connecting hole, is convenient for install fast and dismantle, and what the couple was adopted is that the bird colludes the structure, guarantees the stability of connecting, prevents the emergence of the unexpected unhook condition.
6. The utility model discloses a length adjustment device by ratchet and hand-held pawl structure formation adjusts the length of flexible coupling material, can adjust the length of flexible coupling material according to the condition of cable, realizes that cable fixture presss from both sides tightly in the suitable position of cable, is convenient for hoist and mount the cable.
7. The utility model discloses what conductor fixing device adopted is by crosspiece and perpendicular shelves articulated "cross" structure that forms, rotates into a word structure when transporting, is convenient for transport, and simultaneously, the cable conductor connecting hole is two, guarantees the stability that cable conductor and conductor fixing device are connected.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is a front view of the sheath retaining device.
Fig. 3 is a left side view of the sheath retaining device.
Fig. 4 is a top view of the sheath retaining device.
Fig. 5 is a schematic structural view of the support platform.
Fig. 6 is a schematic structural view of an adjustable connecting device.
Fig. 7 is a schematic structural view of the conductor fixing device.
Fig. 8 is a schematic structural view of the length adjustment device.
The specific implementation mode is as follows:
example (b): referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, there is shown 10-sheath holder, 20-support platform, 30-adjustable connector, 40-conductor holder;
100-cable clamp, 101-antiskid material, 102-adjusting bolt and 103-through hole;
201-vertical rod, 202-horizontal rod, 203-fixing hole, 204-second connecting hole and 205-connecting bolt;
300-soft connecting material, 301-length adjusting device and 302-hook;
401-vertical stop, 402-crosspiece, 403-bolt, 404-hanging hole, 405-first connection hole, 406-cable conductor connection hole.
A hoisting tool special for a 110kV flexible cable terminal comprises a sheath fixing device, a supporting platform, an adjustable connecting device and a conductor fixing device; the sheath fixing device is fixed on the supporting platform and can effectively fix the cable sheath; the upper end of the supporting platform is connected with the lower end of the adjustable connecting device; the conductor fixing device is connected with the supporting platform through the adjustable connecting device, so that the cable body can be effectively fixed; although simple structure, convenient operation is nimble in hoist and mount in-process in this application instrument, and use cost is low, can effectively reduce the size of the traction force that the cable sheath single-point received, prevents that cable body and sheath from taking place the relative slip, has guaranteed that the terminal installation size can not take place to squint by a wide margin.
The present application is described in detail below with reference to the attached drawings and specific embodiments.
The sheath fixing device 10 includes: a cable fixture 100 for fixing a cable sheath; the anti-slip material 101 is attached to the semicircular inner wall of the cable clamp 100, is used for increasing the friction force between the cable clamp 100 and a cable sheath, prevents the sheath from sliding when being hoisted after being fixed, has certain flexibility, and can ensure that the surface of the cable sheath cannot be extruded and damaged or scratched by the metal inner wall of the cable clamp 100; the adjusting bolts 102 penetrate through holes 103 at two ends of the cable clamp 100, and the opening radius of the cable clamp 100 is adjusted by screwing the adjusting bolts 102, so that the cable clamp can be suitable for 110kV cables of various models.
Supporting platform 20 is four horizontal pole structures, and two montants 201 and two upper and lower parallel horizontal poles 202 are used for supporting sheath fixing device 10 about being respectively, and connect into a mouthful style of calligraphy structure through connecting bolt 205 between and, are provided with the fixed orifices 203 that supplies adjusting bolt 102 to run through on the horizontal pole 202, are convenient for carry out the erection bracing to sheath fixing device 10, and connecting bolt 205 can be dismantled, is convenient for transport supporting platform 20, and second connecting hole 204 has been seted up to the upper end of montant 201.
The adjustable connection means 30 comprise: the soft connecting material 300 is used for connecting the supporting platform 20 and the conductor fixing device 40 and driving the supporting platform 20 to ascend together in the hoisting process; the length adjusting device 301 is used for adjusting the length of the soft connecting material 300 and ensuring that the hoisting tool is suitable for different terminal sizes; the hook 302 is a bird hook structure to ensure that the flexible connecting material 300 can be reliably connected to the support platform 20 and the conductor fixing device 40. (the length adjustment device 301 is a ratchet structure, mainly comprising a ratchet wheel a and a hand-held pawl structure, a ratchet wheel a with a friction surface is pushed by a pawl b to make a stepping motion, a spring c forces a stop pawl d to keep contact with the ratchet wheel a, a rocker is sleeved on a ratchet shaft in a hollow way, the pawl b is arranged on a rocker f, the ratchet wheel a is fixedly connected with a driven shaft g by a key, when the driving member rocker f swings anticlockwise, the driving pawl b is inserted into a tooth space of the ratchet wheel a to push the ratchet wheel a to rotate by an angle, at the moment, the stop pawl d slides on a tooth back of the ratchet wheel a, when the driving member rocker f swings clockwise, the stop pawl d prevents the ratchet wheel a from rotating clockwise, but the driving pawl b can slide on the tooth back of the ratchet wheel a, so that the ratchet wheel a is stationary, when the rocker f swings continuously and reciprocally, the ratchet wheel a makes a unidirectional intermittent motion, the length adjustment of the soft connecting material can be completed by winding the soft connecting material 300 on the driven shaft g; length adjusting device or chain block
When the cable sheath fixing device is used, a cable is inserted into an annular space formed by the two cable clamps 100, the adjusting bolt 102 penetrates through the through hole 103 and is screwed, so that the cable clamps 100 are fixedly connected with a cable sheath, and the adjusting bolt 102 penetrates through the fixing hole 203 so that the cable and the cable clamps are fixed on the supporting platform 20; after the length of the soft connecting material 300 is adjusted by the length adjusting device 301, hooks 302 at two ends are respectively hung on a first connecting hole 405 on the cross arm 402 and a second connecting hole 204 on the cross bar 202; after the two cable conductor connecting holes 406 at the lower end of the vertical baffle 401 are connected with cable conductors, the hoisting holes 404 are hoisted by a crane, so that the cables are hoisted.
The multi-point hoisting mode that simultaneously atress through cable sheath and cable conductor sinle silk can effectively disperse the size of the single-point traction force that receives of cable sheath, reduces the extension length of cable sheath, prevents that cable sheath and conductor sinle silk from taking place the relative slip, greatly reduced the displacement volume of cable terminal erection dimension, makes the stress cone be in effectual application range, has guaranteed the power supply reliability of electric wire netting.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a special lifting device of 110kV flexible cable terminal, includes sheath fixing device, supporting platform and conductor fixing device, characterized by: the cable sheath is fixed through the sheath fixing device, the cable is fixed on the supporting platform, the supporting platform and the cable conductor are connected with the conductor fixing device, and the cable is driven to move through pulling the conductor fixing device;
the sheath fixing device comprises a cable clamp and an adjusting bolt, wherein the cable clamp is made of two half-arc cast iron with through holes at two ends, and the cable clamp clamps a cable sheath through the adjusting bolt penetrating through the through holes;
the supporting platform is a square structure formed by mutually connecting two transverse rods and two vertical rods, the upper ends of the two vertical rods are connected with the conductor fixing device, and two fixing holes for the adjusting bolts to penetrate through are formed in the two transverse rods respectively to complete the fixed connection of the cable clamp;
the conductor fixing device is a cross structure formed by a crosspiece and vertical bars, the two ends of the crosspiece are connected with the upper end of the vertical bar, a hanging hole is formed in the upper end of the vertical bar, and a cable conductor connecting hole is formed in the lower end of the vertical bar.
2. The special hoisting tool for the 110kV flexible cable terminal as claimed in claim 1, wherein: the inner wall of the cable clamp is provided with an anti-skid material, and the anti-skid material is made of anti-skid rubber.
3. The special hoisting tool for the 110kV flexible cable terminal as claimed in claim 1, wherein: the cross rod is connected with the vertical rod through a connecting bolt, the length, width and height of the vertical rod are 500mm multiplied by 60mm multiplied by 5mm, and the length, width and height of the cross rod are 400mm multiplied by 60mm multiplied by 5 mm.
4. The special hoisting tool for the 110kV flexible cable terminal as claimed in claim 1, wherein: the crosspieces and the vertical crosspieces are fixedly connected or hinged through bolts penetrating through the centers of the crosspieces and the vertical crosspieces.
5. The special hoisting tool for 110kV flexible cable terminals as claimed in any one of claims 1 to 4, wherein: the crosspiece is connected with the vertical rod through the adjustable connecting device.
6. The special hoisting tool for 110kV flexible cable terminals as claimed in claim 5, wherein: the adjustable connecting device comprises a flexible connecting material, a length adjusting device and a hook, the hook is arranged at two ends of the flexible connecting material and connected with the crosspiece and the vertical rod, and the length adjusting device is arranged in the middle of the flexible connecting material to adjust the length of the flexible connecting material.
7. The special hoisting tool for 110kV flexible cable terminals as claimed in claim 6, wherein: crosspiece both ends be provided with the first connecting hole that the couple is connected, the montant upper end be provided with the second connecting hole that the couple is connected, what the couple adopted is the bird and colludes the structure.
8. The special hoisting tool for 110kV flexible cable terminals as claimed in claim 6, wherein: the length adjusting device adopts a ratchet structure consisting of a ratchet and a hand-held pawl structure.
9. The special hoisting tool for 110kV flexible cable terminals as claimed in claim 6, wherein: the soft connecting material is a nylon woven tape.
10. The special hoisting tool for 110kV flexible cable terminals as claimed in claim 6, wherein: the number of the cable conductor connecting holes is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577000.9U CN212269186U (en) | 2020-04-17 | 2020-04-17 | Special hoisting tool for 110kV flexible cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020577000.9U CN212269186U (en) | 2020-04-17 | 2020-04-17 | Special hoisting tool for 110kV flexible cable terminal |
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| Publication Number | Publication Date |
|---|---|
| CN212269186U true CN212269186U (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020577000.9U Active CN212269186U (en) | 2020-04-17 | 2020-04-17 | Special hoisting tool for 110kV flexible cable terminal |
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| CN (1) | CN212269186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501409A (en) * | 2021-06-24 | 2021-10-15 | 贵州电网有限责任公司 | Connecting ring for vertically transferring production tools and hardware fittings |
| CN113501408A (en) * | 2021-06-24 | 2021-10-15 | 贵州电网有限责任公司 | Multifunctional device for transferring production tools |
-
2020
- 2020-04-17 CN CN202020577000.9U patent/CN212269186U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501409A (en) * | 2021-06-24 | 2021-10-15 | 贵州电网有限责任公司 | Connecting ring for vertically transferring production tools and hardware fittings |
| CN113501408A (en) * | 2021-06-24 | 2021-10-15 | 贵州电网有限责任公司 | Multifunctional device for transferring production tools |
| CN113501409B (en) * | 2021-06-24 | 2024-01-23 | 贵州电网有限责任公司 | Connecting ring for up-and-down transfer production tool and fitting |
| CN113501408B (en) * | 2021-06-24 | 2024-02-02 | 贵州电网有限责任公司 | Multifunctional device for transferring production tools and appliances |
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