CN215009289U - Novel electric power cable terminal turn-buckle - Google Patents
Novel electric power cable terminal turn-buckle Download PDFInfo
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- CN215009289U CN215009289U CN202121397272.1U CN202121397272U CN215009289U CN 215009289 U CN215009289 U CN 215009289U CN 202121397272 U CN202121397272 U CN 202121397272U CN 215009289 U CN215009289 U CN 215009289U
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Abstract
The utility model discloses a novel electric power cable terminal turn-buckle, including lower folder, lower folder includes the U-shaped threaded rod and locates the lower clamp splice of U-shaped threaded rod intermediate position, and lower clamp splice intermediate position is equipped with the first arc draw-in groove that is used for fixed cable. Through holes for the U-shaped threaded rods to pass through are formed in the two ends of the upper clamping block, and second arc-shaped clamping grooves corresponding to the first arc-shaped clamping grooves are formed in the lower end of the upper clamping block. The fastening nut can adjust the distance between the upper clamping block and the lower clamping block through the U-shaped threaded rod. The insulation protection shell is sleeved outside the U-shaped threaded rod and clamped with the upper end of the upper clamping block. Compared with the prior art, the utility model has the advantages of as follows: simple structure simple to operate has improved the efficiency of construction. Meanwhile, the insulating protective shell with excellent heat aging resistance and the U-shaped threaded rod made of 304 stainless steel can enable the terminal wire grip to face various extreme weathers, and the working stability of the wire grip is greatly improved.
Description
Technical Field
The utility model relates to a power equipment technical field especially relates to a novel electric power cable terminal turn-buckle.
Background
With the rapid development of society, the application of power equipment with larger and larger power demand is wider and wider, so that the guarantee of power utilization safety and stable and safe operation of a power grid is very important. The existing tightener has many defects. In the past, constructors usually fold and bend the cable ends in a traditional mode such as manual power or simple tools, attach the cable ends in a tensioned state, and bind and fix the cable ends by metal wires. The cable diameter of different specifications has big or small, when touchhing the major diameter cable and need binding the fixing, it is harder to remove the operation with traditional mode, and the mode of binding does not have the unity in addition, leads to the fastness of cable end binding to be difficult to guarantee, and the cable end is become flexible easily and drops, brings the potential safety hazard.
Chinese patent with application number CN202020918238.3 discloses a terminal turnbuckle which solves the problem that the fixing operation of the existing cable terminal is troublesome. This patent records "during the installation, open the enclosing cover, screw up the nut to first screw rod and second screw rod the top, then make top board and well clamp plate rotate around first screw rod respectively, so that top board and well clamp plate all break away from the second screw rod, place the cable on the lower sunken portion of holding down plate this moment again, rotate the well clamp plate, make the well clamp plate return, then place the cable on the concave surface of the upside of well clamp plate, rotate the top board, make the top board return, screw up the nut, the enclosing cover is established to the lid, so that the cable is worn to establish and is compressed tightly between top board and well clamp plate, and between well clamp plate and the top board, this technical scheme is on the one hand through the top board, well clamp plate and holding down plate are binded the cable end and are fixed, the operation is comparatively loaded down with trivial details, can't realize fast and stable and bind. On the other hand, the thermal aging resistance of the shell cannot ensure the working stability of the tightener.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's problem, providing a novel electric power cable terminal turn-buckle.
In order to achieve the above purpose, the utility model adopts the following scheme:
a novel power cable termination turnbuckle comprising:
the lower clamping piece comprises a U-shaped threaded rod and a lower clamping block arranged in the middle of the U-shaped threaded rod, and a first arc-shaped clamping groove used for fixing a cable is formed in the middle of the lower clamping block;
the two ends of the upper clamping block are provided with through holes for the U-shaped threaded rod to pass through, and the lower end of the upper clamping block is provided with a second arc-shaped clamping groove corresponding to the first arc-shaped clamping groove;
the fastening nut can adjust the distance between the upper clamping block and the lower clamping block through the U-shaped threaded rod;
and the insulation protection shell is sleeved outside the U-shaped threaded rod and is clamped with the upper end of the upper clamping block.
Further, go up the clamp splice upper end and be equipped with the boss that can stretch into in the insulating protective housing, the boss both sides are equipped with the bayonet socket, and the insulating protective housing inboard is equipped with the buckle that can block into the bayonet socket, and the insulating protective housing passes through the buckle to be connected with last clamp splice buckle.
Furthermore, two ends of the lower clamping block are provided with isolation sleeves used for wrapping the U-shaped threaded rods. Go up the clamp splice and block the threaded rod between clamp splice and the lower clamp splice with lower clamp splice behind the cable and will expose outside, and can prevent through this spacer sleeve that the threaded rod will expose outside to prevent that creepage from improving product security performance.
Further, the lower clamping block and the isolation sleeve are integrally formed. After the U-shaped screw rod is placed in an injection molding machine, the lower clamping block and the isolation sleeve are integrally molded in the injection molding machine, so that the production is convenient, and the connection strength is high.
Furthermore, the insulation protection shell is made of polypropylene, and the polypropylene can ensure that the insulation protection shell has no mechanical damage, deformation and discoloration phenomena when the temperature is 100 ℃ and the duration time is not less than 168 hours. This terminal turn-buckle can face various extreme weather, has promoted the job stabilization nature of this turn-buckle greatly.
Furthermore, the insulating protective shell is free of corrosion on the surface of the product in 5% sodium chloride solution at the temperature of 33-37 ℃ within 48 hours. This terminal turn-buckle can face various extreme weather, has promoted the job stabilization nature of this turn-buckle greatly.
Furthermore, a round gasket is arranged at one end, close to the upper clamping block, of the fastening nut. The contact area between the fastening nut and the upper clamping block is increased to prevent slipping.
Furthermore, tooth-shaped anti-slip lines are arranged in the first arc-shaped clamping groove and the second arc-shaped clamping groove, and the first arc-shaped clamping groove and the second arc-shaped clamping groove clamp cables through the anti-slip lines.
Furthermore, the U-shaped threaded rod and the fastening nut are made of 304 stainless steel, the longitudinal elastic modulus of the fastening nut is 193-200 kN/mm2, the tensile strength is not lower than 515MPa, and the conditional yield strength is not lower than 205 MPa.
Further, the fastening nut is a regular hexagonal fastening nut.
Compared with the prior art, the utility model has the advantages of as follows: when the terminal tightener is used, the lower clamping block and the upper clamping block can be locked and fixed on a cable end through screwing the fastening nut, and then the insulating protective shell is sleeved. Simple structure simple to operate has improved the efficiency of construction. Meanwhile, the insulating protective shell with excellent heat aging resistance and the U-shaped threaded rod made of 304 stainless steel can enable the terminal wire grip to face various extreme weathers, and the working stability of the wire grip is greatly improved.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is the utility model discloses a novel electric power cable terminal turn-buckle's overall structure schematic diagram.
Fig. 2 is the utility model discloses a novel assembly drawing of electric power cable terminal turn-buckle.
Fig. 3 is the utility model discloses a novel last clamp splice structure sketch map of electric power cable terminal turn-buckle.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, a novel electric power cable termination turnbuckle includes:
the lower clamping piece 1 comprises a U-shaped threaded rod 101 and a lower clamping block 103 arranged in the middle of the U-shaped threaded rod 101, and a first arc-shaped clamping groove 104 for fixing a cable is arranged in the middle of the lower clamping block 103;
as shown in fig. 3, the upper clamping block 2, two ends of the upper clamping block 2 are provided with through holes 201 through which the U-shaped threaded rod 101 can pass, and the lower end of the upper clamping block 2 is provided with a second arc-shaped clamping groove 202 corresponding to the first arc-shaped clamping groove 104;
the fastening nut 3 can adjust the distance between the upper clamping block 2 and the lower clamping block 103 through the U-shaped threaded rod 101;
and the insulation protection shell 4 is sleeved outside the U-shaped threaded rod 101 and is clamped with the upper end of the upper clamping block 2.
Preferably, the upper end of the upper clamping block 2 is provided with a boss 203 which can extend into the insulating protective shell 4, two sides of the boss 203 are provided with bayonets 204, the inner side of the insulating protective shell 4 is provided with a buckle which can be clamped into the bayonets 204, and the insulating protective shell 4 is connected with the upper clamping block 2 through the buckle.
As shown in fig. 2, preferably, the two ends of the lower clamping block 103 are provided with isolation sleeves 102 for wrapping the U-shaped threaded rod 101. After the cable is clamped by the upper clamping block 2 and the lower clamping block 103, the threaded rod 101 between the upper clamping block 2 and the lower clamping block 103 is exposed outside, and the isolation sleeve 102 can prevent the threaded rod 101 from being exposed outside, so that creepage is prevented, and the safety performance of a product is improved.
Preferably, the lower clamp block 103 is integrally formed with the spacer 102. After the U-shaped screw is placed in an injection molding machine, the lower clamping block 103 and the isolation sleeve 102 are integrally molded in the injection molding machine, so that the production is convenient, and the connection strength is high.
Preferably, the insulation protection shell 4 is made of polypropylene, and the polypropylene can enable the insulation protection shell 4 to have no mechanical damage, deformation and discoloration phenomena when the temperature is 100 ℃ and the duration time is not less than 168 hours. This terminal turn-buckle can face various extreme weather, has promoted the job stabilization nature of this turn-buckle greatly.
Preferably, the insulating protective shell 4 has no corrosion on the surface of the product in 5% sodium chloride solution at the temperature of 33-37 ℃ within 48 hours. This terminal turn-buckle can face various extreme weather, has promoted the job stabilization nature of this turn-buckle greatly.
Preferably, a circular gasket 301 is arranged at one end of the fastening nut 3 close to the upper clamping block 2. Increasing the contact area between the fastening nut 3 and the upper block 2 prevents slipping.
As shown in fig. 1 and 2, preferably, tooth-shaped anti-slip threads are disposed in each of the first arc-shaped slot 104 and the second arc-shaped slot 202, and the first arc-shaped slot 104 and the second arc-shaped slot 202 clamp the cable through the anti-slip threads.
Preferably, the U-shaped threaded rod 101 and the fastening nut 3 are made of 304 stainless steel, the longitudinal elastic modulus of the fastening nut 3 is 193-200 kN/mm2, the tensile strength is not lower than 515MPa, and the conditional yield strength is not lower than 205 MPa.
Preferably, the fastening nut 3 is a regular hexagonal fastening nut 3.
Compared with the prior art, the utility model has the advantages of as follows: when the terminal tightener is used, the lower clamping block 103 and the upper clamping block 2 can be used for locking and fixing the cable end by screwing the fastening nut 3, and then the insulating protective shell 4 is sleeved. Simple structure simple to operate has improved the efficiency of construction. Meanwhile, the insulating protective shell 4 with excellent heat aging resistance and the U-shaped threaded rod 101 made of 304 stainless steel can enable the terminal wire grip to face various extreme weathers, and the working stability of the wire grip is greatly improved.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.
Claims (10)
1. A novel electric power cable terminal turn-buckle, its characterized in that includes:
the lower clamping piece comprises a U-shaped threaded rod and a lower clamping block arranged in the middle of the U-shaped threaded rod, and a first arc-shaped clamping groove used for fixing a cable is formed in the middle of the lower clamping block;
the two ends of the upper clamping block are provided with through holes for the U-shaped threaded rod to pass through, and the lower end of the upper clamping block is provided with a second arc-shaped clamping groove corresponding to the first arc-shaped clamping groove;
the fastening nut can adjust the distance between the upper clamping block and the lower clamping block through the U-shaped threaded rod;
and the insulation protection shell is sleeved outside the U-shaped threaded rod and is clamped with the upper end of the upper clamping block.
2. The novel power cable terminal tightener of claim 1, wherein a boss is arranged at an upper end of the upper clamping block and can extend into the insulating protective shell, bayonets are arranged on two sides of the boss, a buckle capable of being clamped into the bayonets is arranged on the inner side of the insulating protective shell, and the insulating protective shell is connected with the upper clamping block through the buckle.
3. The novel power cable terminal tightener of claim 1, wherein the two ends of the lower clamping block are provided with isolation sleeves for wrapping the U-shaped threaded rod.
4. The novel power cable termination turnbuckle of claim 3, wherein said lower clamping block is integrally formed with said spacer sleeve.
5. The novel electric power cable terminal turnbuckle of claim 1, wherein the insulation protection shell is made of polypropylene, and the polypropylene enables the insulation protection shell to have no mechanical damage, deformation or discoloration phenomenon at a temperature of 100 ℃ for not less than 168 hours.
6. The novel electric power cable terminal turnbuckle of claim 5, wherein the insulation protection shell has no corrosion on the surface of a product in a sodium chloride solution with the concentration of 5% at the temperature of 33-37 ℃ within 48 hours.
7. The novel power cable termination turnbuckle of claim 1, wherein a circular washer is provided at one end of said fastening nut near said upper clamping block.
8. The novel electric power cable terminal tightener of claim 1, wherein the first and second arc-shaped slots are provided with tooth-shaped anti-slip threads, and the first and second arc-shaped slots clamp the cable through the anti-slip threads.
9. The novel electric power cable terminal tightener of claim 1, wherein the U-shaped threaded rod and the tightening nut are 304 stainless steel, the tightening nut has longitudinal elastic modulus of 193-200 kN/mm2, tensile strength of not less than 515MPa, and conditional yield strength of not less than 205 MPa.
10. The novel power cable termination turnbuckle of claim 1, wherein said fastening nut is a regular hexagonal fastening nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121397272.1U CN215009289U (en) | 2021-06-22 | 2021-06-22 | Novel electric power cable terminal turn-buckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121397272.1U CN215009289U (en) | 2021-06-22 | 2021-06-22 | Novel electric power cable terminal turn-buckle |
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| Publication Number | Publication Date |
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| CN215009289U true CN215009289U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121397272.1U Active CN215009289U (en) | 2021-06-22 | 2021-06-22 | Novel electric power cable terminal turn-buckle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114977000A (en) * | 2022-06-13 | 2022-08-30 | 国网河北省电力有限公司邯郸市新区供电分公司 | Distribution network engineering construction bracing wire bending tool |
-
2021
- 2021-06-22 CN CN202121397272.1U patent/CN215009289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114977000A (en) * | 2022-06-13 | 2022-08-30 | 国网河北省电力有限公司邯郸市新区供电分公司 | Distribution network engineering construction bracing wire bending tool |
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