CN215817421U - Safe backup type wedge-shaped insulating strain clamp - Google Patents
Safe backup type wedge-shaped insulating strain clamp Download PDFInfo
- Publication number
- CN215817421U CN215817421U CN202121892449.5U CN202121892449U CN215817421U CN 215817421 U CN215817421 U CN 215817421U CN 202121892449 U CN202121892449 U CN 202121892449U CN 215817421 U CN215817421 U CN 215817421U
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- China
- Prior art keywords
- wedge
- safety
- link plate
- wedge core
- wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007373 indentation Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model relates to a safe backup type wedge-shaped insulating strain clamp. The utility model aims to provide a safe backup type wedge-shaped insulating strain clamp which is high in safety and capable of clamping wires tightly. The wire clamp comprises a wire clamp body, a first wedge core, a second wedge core assembly, an upper hanging plate, a lower hanging plate and a safety lock, wherein one end of the upper hanging plate and one end of the lower hanging plate are respectively connected with the wire clamp body through limiting bolts, the other end of the upper hanging plate and the other end of the lower hanging plate are connected together through bolt assemblies, a wire clamping groove is formed in the first wedge core, the wire clamping groove is of a vertical tooth structure or a reversed tooth structure, and separation openings are formed in the wire clamping groove at intervals. The utility model has the advantages that: 1, a safety lock is additionally arranged, so that the holding force of a strain product on an insulated wire can be greatly improved; a safety backup device is added, so that safety accidents caused by the falling of the wire can be effectively avoided.
Description
Technical Field
The utility model relates to a safe backup type wedge-shaped insulating strain clamp.
Background
The strain clamp is a hardware fitting used for fixing a lead to bear the tension of the lead and hanging the lead to a strain insulator-string group or a tower. Traditional strain clamp is at the in-process that uses, and the power of holding between the cable is on the low side, when meeting with extremely bad weather, various reasons can lead to the wire to drop, has the slide-wire accident of overhead line insulation cable, causes very big hidden danger for operation and personal safety, and the clamp line effect is also not particularly ideal when carrying out the centre gripping to the pencil in addition, causes the surface breakage easily, causes the pencil to damage easily, appears the not tight phenomenon of clamp line easily, stability is not enough.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a safe backup type wedge-shaped insulating strain clamp which is high in safety and capable of clamping wires tightly.
The safe backup type wedge-shaped insulating strain clamp adopts the technical scheme that the clamp comprises a clamp body, a first wedge core and a second wedge core assembly which are arranged in the clamp body, an upper hanging plate and a lower hanging plate, wherein one end of the upper hanging plate and one end of the lower hanging plate are respectively connected with the clamp body through limiting bolts, the other end of the upper hanging plate and the other end of the lower hanging plate are connected together through bolt assemblies;
the second wedge core assembly comprises a second wedge core and a split pressing plate, the second wedge core is internally provided with the wire clamping groove, and the split pressing plate is provided with a second mounting hole;
the safety lock comprises a U-shaped bolt, and the U-shaped bolt sequentially penetrates through the second mounting hole and the first mounting hole and then is connected with a nut.
The upper hanging plate and the lower hanging plate are provided with hanging plate connecting holes, a hanging plate positioning boss used for sleeving the hanging plate connecting holes is arranged on the wire clamp body, and a hanging plate connecting threaded hole is formed in the hanging plate positioning boss.
The safety backup device is arranged between the safety lock and the bolt assembly and is a safety rope or a safety belt.
The upper hanging plate and the lower hanging plate are both provided with indentation reinforcing ribs.
The bolt assembly includes a second bolt, a second nut, and a closed pin.
And a wedge core positioning block is further arranged on the second wedge core.
The safe backup type wedge-shaped insulating strain clamp has the advantages that: 1, one half of the wedge core is designed into a split type pressing plate with the wedge core, and the other half is designed into a pressing plate and wedge core integrated type, so that the wire can be well fastened after installation, and the wire is prevented from falling off; 2, a safety lock is additionally arranged, so that the holding force of the strain product on the insulated wire can be greatly improved; 3, a safety backup device is added, so that safety accidents caused by the falling of the wire can be effectively avoided; 4 the design of link plate location boss can greatly increased the tensile strength of hangers position.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a front view of a safety backup wedge insulated strain clamp of the present invention;
FIG. 2 is a front view of a first wedge core of the present invention;
FIG. 3 is a front view of a second wedge core assembly of the present invention;
FIG. 4 is a front view of the U-bolt of the present invention;
FIG. 5 is a front view of the clip body of the present invention;
FIG. 6 is a top view of the hanging plate of the present invention;
FIG. 7 is a front view of the bolt assembly of the present invention;
fig. 8 is a schematic view of the installation of the safety backup wedge insulated strain clamp of the present invention.
Detailed Description
As shown in fig. 1-8, the safety backup type wedge-shaped insulating strain clamp comprises a clamp body 1, a first wedge core 2 and a second wedge core assembly 3 which are arranged in the clamp body 1, an upper hanging plate 4, a lower hanging plate 5 and a safety lock 8, wherein one end of the upper hanging plate 4 and one end of the lower hanging plate 5 are respectively connected with the clamp body 1 through a limiting bolt 6, the other end of the upper hanging plate 4 and the other end of the lower hanging plate 5 are connected together through a bolt assembly 7, a wire clamping groove 11 is arranged in the first wedge core 2, the wire clamping groove 11 is of a vertical tooth structure or an inverted tooth structure, separation openings 12 are arranged in the wire clamping groove 11 at intervals, a wedge core pressing plate part 13 is arranged at the end part of the first wedge core 2, and a first mounting hole 13 is arranged on the wedge core pressing plate part 13; second wedge core subassembly 3 includes second wedge core 16 and components of a whole that can function independently clamp plate 17, be equipped with in the second wedge core 16 wire clamping groove 11, be equipped with second mounting hole 18 on the components of a whole that can function independently clamp plate 17, wedge core design is half for split type clamp plate adds wedge core, half design is clamp plate and wedge core integral type. The wedge core is provided with two half sides, the two half sides are folded to compress the wire, when the wire clamping groove is used for holding the wire, a plurality of points are stressed, the wire can be well fastened after installation, and the wire is prevented from falling off.
The safety lock 8 comprises a U-shaped bolt 20, the U-shaped bolt 20 sequentially penetrates through the second mounting hole 18 and the first mounting hole 13 and then is connected with the nut, the holding force of a tension product on an insulated wire can be greatly improved, and a line operation accident caused by the fact that the product falls off due to dislocation of the insulated core in the operation process can be avoided under the condition that the tension insulated core clamps the insulated wire.
Go up link plate 4 with link plate 5 all is equipped with link plate connecting hole 24 down, be equipped with on the fastener body 1 and be used for link plate location boss 22 that link plate connecting hole 24 cup jointed, be equipped with link plate connecting thread hole 23 in link plate location boss 22, the link plate is steel hot-galvanize material, the fastener body adopts high strength aluminum alloy material, (the product can appear bolt and link plate contact position's hot galvanizing coat at the operation in-process and is ground off to produce the corruption easily), what this structure link plate contact position was frictional is the aluminum alloy, can guarantee to the at utmost that the zinc layer is not destroyed, in addition can the tensile strength of greatly increased hangers position, avoid direct shear bolt under the atress condition.
Still include safe backup device 9, safe backup device 9 establishes safety lock 8 with between the bolt assembly 7, safe backup device 9 is devices such as safety rope, safety belt, safe staple bolt, and its destruction breaking force is not less than 40% that the conductor destroys, and when meeting with extremely bad weather, various reasons can lead to the wire to drop, adds a safe backup device in safety lock and connecting bolt position, under the condition that drops appears in the wire, the safety lock can effectively intervene to undertake the wire weight behind the slide-wire, can effectively avoid the wire to fall to the ground the incident that causes.
The upper hanging plate 4 and the lower hanging plate 5 are both provided with indentation reinforcing ribs 25, so that the tensile resistance of the hanging plates at the bending position can be increased.
The bolt assembly 7 comprises a second bolt 27, a second nut 28 and a closed pin 29, and can effectively limit.
And a wedge core positioning block 19 is further arranged on the second wedge core 16.
The contact position of the first wedge core 2 and the second wedge core 16 with the wire clamp body 1 is provided with a process square reducing hole, so that the contact area of the wedge cores and the body can be reduced, the sliding friction force of the wedge cores and the body after vibration polishing at the contact position is reduced, and the wedge cores can well clamp a wire.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are included in the scope of the present invention.
Claims (6)
1. The utility model provides a safe backup type wedge insulation strain clamp, includes fastener body (1), establishes first wedge core (2) and second wedge core subassembly (3) in fastener body (1), go up link plate (4), link plate (5) down, go up the one end of link plate (4) with the one end of link plate (5) down respectively through spacing bolt (6) with fastener body (1) is connected, go up the other end of link plate (4) with the other end of link plate (5) down links together its characterized in that through bolt assembly (7): the wedge core clamping device is characterized by further comprising a safety lock (8), a wire clamping groove (11) is formed in the first wedge core (2), the wire clamping groove (11) is of a vertical tooth structure or a pawl structure, separating openings (12) are formed in the wire clamping groove (11) at intervals, a wedge core pressing plate portion (13) is arranged at the end portion of the first wedge core (2), and a first mounting hole (13) is formed in the wedge core pressing plate portion (13);
the second wedge core assembly (3) comprises a second wedge core (16) and a split pressing plate (17), the wire clamping groove (11) is formed in the second wedge core (16), and a second mounting hole (18) is formed in the split pressing plate (17);
the safety lock (8) comprises a U-shaped bolt (20), and the U-shaped bolt (20) sequentially penetrates through the second mounting hole (18) and the first mounting hole (13) and then is connected with a nut.
2. The safety backup type wedge-shaped insulated strain clamp of claim 1, wherein: go up link plate (4) with link plate (5) all are equipped with link plate connecting hole (24) down, be equipped with on fastener body (1) and be used for link plate location boss (22) that link plate connecting hole (24) cup jointed, be equipped with link plate connecting thread hole (23) in link plate location boss (22).
3. The safety backup type wedge-shaped insulated strain clamp of claim 1, wherein: the safety backup device (9) is arranged between the safety lock (8) and the bolt assembly (7), and the safety backup device (9) is a safety rope or a safety belt.
4. The safety backup type wedge-shaped insulated strain clamp of claim 1, wherein: the upper hanging plate (4) and the lower hanging plate (5) are both provided with indentation reinforcing ribs (25).
5. The safety backup type wedge-shaped insulated strain clamp of claim 1, wherein: the bolt assembly (7) comprises a second bolt (27), a second nut (28) and a closed pin (29).
6. The safety backup type wedge-shaped insulated strain clamp of claim 1, wherein: and a wedge core positioning block (19) is also arranged on the second wedge core (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121892449.5U CN215817421U (en) | 2021-08-13 | 2021-08-13 | Safe backup type wedge-shaped insulating strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121892449.5U CN215817421U (en) | 2021-08-13 | 2021-08-13 | Safe backup type wedge-shaped insulating strain clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215817421U true CN215817421U (en) | 2022-02-11 |
Family
ID=80131060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121892449.5U Expired - Fee Related CN215817421U (en) | 2021-08-13 | 2021-08-13 | Safe backup type wedge-shaped insulating strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215817421U (en) |
-
2021
- 2021-08-13 CN CN202121892449.5U patent/CN215817421U/en not_active Expired - Fee Related
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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: 20220211 |