CN209881351U - Four core strain clamp tied in a bundle of enhancement mode - Google Patents
Four core strain clamp tied in a bundle of enhancement mode Download PDFInfo
- Publication number
- CN209881351U CN209881351U CN201920944129.6U CN201920944129U CN209881351U CN 209881351 U CN209881351 U CN 209881351U CN 201920944129 U CN201920944129 U CN 201920944129U CN 209881351 U CN209881351 U CN 209881351U
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- China
- Prior art keywords
- wedge
- bottom plate
- plate
- shaped pulling
- strain clamp
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- Expired - Fee Related
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- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model discloses a strain clamp tied in a bundle of four cores of enhancement mode. The technical scheme adopted comprises the following steps: the clamping device comprises a wedge-shaped pulling plate, an upper clamping mechanism and a lower clamping mechanism, wherein the upper clamping mechanism and the lower clamping mechanism are respectively arranged at the upper end and the lower end of the wedge-shaped pulling plate; the wedge arm-tie both sides are equipped with the pull rod through ear hole (7), go up fixture, lower fixture and constitute by bottom plate and splint, every bottom plate, splint are equipped with two corresponding wire clamping grooves, its characterized in that: the clamp is characterized in that a first guide post is arranged on a screw hole at the front end of the clamp plate and is in guide fit with the screw hole in the bottom plate, a second guide post is arranged on a screw hole at the rear end of the bottom plate and is in guide fit with the screw hole in the clamp plate, and at least one corresponding pawl is arranged in the clamp groove.
Description
Technical Field
The utility model relates to a four-core strain clamp tied in a bundle.
Background
The strain clamp is used for fixing and tensioning the lead together with the insulator string at the terminal or two ends of the strain section of the lead. Traditional four core strain clamp structures tied in a bundle include: the clamping device comprises a wedge-shaped pulling plate, an upper clamping mechanism and a lower clamping mechanism, wherein the upper clamping mechanism and the lower clamping mechanism are respectively arranged at the upper end and the lower end of the wedge-shaped pulling plate, the middle positions of the two ends of the wedge-shaped pulling plate are respectively provided with a row groove, the upper clamping mechanism and the lower clamping mechanism are clamped through fastening bolts in screw holes at the two ends, and the fastening bolts penetrate through the row grooves of the wedge-shaped pulling plate. The wire clamping device is characterized in that pull rods are arranged on two sides of the wedge-shaped pull plate through ear holes, the upper clamping mechanism and the lower clamping mechanism are composed of a bottom plate and clamping plates, each bottom plate and each clamping plate are provided with two corresponding wire clamping grooves, and wires are clamped in the wire clamping grooves. There are disadvantages in that: the thread clamping effect is not particularly ideal, and the phenomenon of thread clamping tightness is easy to occur.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a four core strain clamp tied in a bundle of enhancement mode.
In order to solve the above problem, the utility model discloses a technical scheme include: the clamping device comprises a wedge-shaped pulling plate, an upper clamping mechanism and a lower clamping mechanism, wherein the upper clamping mechanism and the lower clamping mechanism are respectively arranged at the upper end and the lower end of the wedge-shaped pulling plate; the wedge arm-tie both sides are equipped with the pull rod through ear hole (7), go up fixture, lower fixture and constitute by bottom plate and splint, every bottom plate, splint are equipped with two corresponding wire clamping grooves, its characterized in that: the clamp is characterized in that a first guide post is arranged on a screw hole at the front end of the clamp plate and is in guide fit with the screw hole in the bottom plate, a second guide post is arranged on a screw hole at the rear end of the bottom plate and is in guide fit with the screw hole in the clamp plate, and at least one corresponding pawl is arranged in the clamp groove.
Four core strain clamp tied in a bundle of enhancement mode, its characterized in that: the upper end and the lower end of the wedge-shaped pulling plate are provided with a first groove corresponding to two sides of the row groove at the front end, and the upper end and the lower end of the wedge-shaped pulling plate are provided with a group of second grooves corresponding to two sides of the row groove at the rear end.
Four core strain clamp tied in a bundle of enhancement mode, its characterized in that: and a group of third grooves are formed on the contact surface of the bottom plate and the wedge-shaped pulling plate.
Four core strain clamp tied in a bundle of enhancement mode, its characterized in that: and the fastening bolt is provided with a rectangular head assembly and a standby nut.
Four core strain clamp tied in a bundle of enhancement mode, its characterized in that: chamfers are arranged on two sides of the wire clamping groove.
Four core strain clamp tied in a bundle of enhancement mode, its characterized in that: the inverted teeth are arranged in the middle of the wire clamping groove.
Four core strain clamp tied in a bundle of enhancement mode, its characterized in that: the clamping plate is provided with inclined planes corresponding to two sides of the clamping groove, and the inclined planes can be embedded into the clamping groove of the bottom plate.
The utility model discloses a strain clamp tied in a bundle of four cores of enhancement mode advantage as follows:
1. the guide columns are arranged on the bottom plate and the clamping plate, so that when the bolt is fastened, the connection between the bottom plate and the clamping plate is more stable and tight, and meanwhile, the wire clamping groove adopts the inverted tooth-shaped design, so that when the bolt is fastened, the clamping mechanism compresses the wire, the friction force is increased, and the inverted tooth tips tightly fasten the insulating skin of the wire when the product is clamped, so that the wire is prevented from slipping;
2. the product clamps the wire in a bilateral semi-wedge structure (the wedge-shaped pulling plate and the bottom plate are in a wedge-shaped structure with complementary angles, so that the wire can be pulled more and more tightly), and the normal sliding track of the wedge-shaped locking force can be ensured by adopting the effects of bolt pressing and sliding limiting in the product design;
3. the lead outlet is designed with a chamfer to prevent the plastic clamping block from damaging the lead in the process of tightening the lead;
4. the surfaces of the wedge-shaped pulling plate and the bottom plate are provided with grooves to reduce the friction force of the wedge-shaped pulling plate and the bottom plate, so that the wedge-shaped pulling plate is easier to tighten;
5. the pre-designed torque head assembly and the tightening nut are added, namely when the fastening torque force is within the torque force value range of 45N.m +/-3, the torque head is twisted off, the installation is completed, the fastening force of the product is ensured to be within the design value range, the installation is successful (the torque assembly is composed of the torque head and the riveting nut), the tightening nut is added, and the nut looseness caused by external force is prevented.
The present invention will be further explained with reference to the drawings attached to the specification.
Drawings
Fig. 1 is a top view of the enhanced four-core bunched strain clamp of the present invention;
fig. 2 is a right side view of the enhanced four-core bunched strain clamp of the present invention;
fig. 3 is a side view of the enhanced four-core bunched strain clamp of the present invention;
FIG. 4 is an exploded view of the wedge-shaped pulling plate of the present invention with the bottom plate and the clamping plate;
FIG. 5 is a schematic structural view of the wedge-shaped pulling plate of the present invention;
fig. 6 is a cross-sectional view between the wedge-shaped pulling plate and the bottom plate and the clamping plate of the present invention.
Detailed Description
Referring to fig. 1-6, the utility model discloses a four core strain clamp tied in a bundle of enhancement mode, including wedge arm-tie 1 and set up respectively last fixture 2, lower fixture 3 of wedge arm-tie 1 upper and lower extreme. The middle positions of two ends of the wedge-shaped pulling plate 1 are respectively provided with a row groove 4, the upper clamping mechanism 2 and the lower clamping mechanism 3 are clamped through fastening bolts 6 in screw holes 5 at two ends, and the fastening bolts 6 penetrate through the row grooves 4 of the wedge-shaped pulling plate 1. And pull rods 8 are arranged on two sides of the wedge-shaped pull plate 1 through ear holes 7. The upper clamping mechanism 2 and the lower clamping mechanism 3 are both composed of a bottom plate 9 and a clamping plate 10. Each bottom plate 9 and the clamping plate 10 are provided with two corresponding wire clamping grooves 11. The clamping device is characterized in that a first guide post 12 is arranged on the screw hole 5 at the front end of the clamping plate 10, the first guide post 12 is in guide fit with the screw hole 5 on the bottom plate 9, a second guide post 13 is arranged on the screw hole 5 at the rear end of the bottom plate 9, the second guide post 13 is in guide fit with the screw hole 5 on the clamping plate 10, and a corresponding inverted tooth 14 is arranged in the clamping groove 11.
Furthermore, a first groove 15 is formed in each of the two sides of the row groove 4, corresponding to the front end, of the upper end and the lower end of the wedge-shaped pulling plate 1, and a group of second grooves 16 is formed in each of the two sides of the row groove 4, corresponding to the rear end, of the upper end and the lower end of the wedge-shaped pulling plate 1. And a group of third grooves 17 are arranged on the contact surface of the bottom plate 9 and the wedge-shaped pulling plate 1. The special grooves are designed on the surfaces of the wedge-shaped pulling plate and the bottom plate to reduce the contact area of the wedge-shaped pulling plate and the bottom plate, so that the surface friction force of the wedge-shaped pulling plate and the bottom plate is reduced, the wedge-shaped pulling plate is easier to embed after being stressed, the tension is improved, and finally the clamping mechanism is more tight in clamping.
Furthermore, a torque head assembly 18 and a tightening nut 19 are arranged on the fastening bolt 6.
Furthermore, chamfers 20 are arranged on two sides of the wire clamping groove 11.
Further, the inverted tooth 14 is arranged in the middle of the wire clamping groove 11.
Furthermore, the clamping plate 10 is provided with inclined surfaces 21 corresponding to two sides of the clamping groove 11, and the inclined surfaces 21 can be embedded into the clamping groove 11 of the bottom plate 9, so that the clamping plate and the bottom plate can be tightly connected.
In the above, the present invention is not limited to any form, and although the present invention has been disclosed in the above preferred embodiments, it is not limited to the present invention, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.
Claims (7)
1. An enhanced four-core bunched strain clamp comprises a wedge-shaped pulling plate (1), and an upper clamping mechanism (2) and a lower clamping mechanism (3) which are respectively arranged at the upper end and the lower end of the wedge-shaped pulling plate (1), wherein the middle positions of the two ends of the wedge-shaped pulling plate (1) are respectively provided with a row groove (4), the upper clamping mechanism (2) and the lower clamping mechanism (3) are clamped through fastening bolts (6) in screw holes (5) at the two ends, and the fastening bolts (6) penetrate through the row grooves (4) of the wedge-shaped pulling plate (1); wedge arm-tie (1) both sides are equipped with pull rod (8) through ear hole (7), go up fixture (2), fixture (3) down constitute by bottom plate (9) and splint (10), every bottom plate (9), splint (10) are equipped with two corresponding wire clamping groove (11), its characterized in that: be equipped with first guide post (12) on screw (5) of splint (10) front end, screw (5) direction cooperation on first guide post (12) and bottom plate (9), be equipped with second guide post (13) on screw (5) of bottom plate (9) rear end, screw (5) direction cooperation on second guide post (13) and splint (10), just be equipped with one corresponding pawl (14) in clamp groove (11) at least.
2. The enhanced four-core bunched strain clamp of claim 1, wherein: a first groove (15) is formed in the two sides, corresponding to the row groove (4) at the front end, of the upper end and the lower end of the wedge-shaped pulling plate (1), and a group of second grooves (16) is formed in the two sides, corresponding to the row groove (4) at the rear end, of the upper end and the lower end of the wedge-shaped pulling plate (1).
3. The enhanced four-core bunched strain clamp of claim 2, wherein: and a group of third grooves (17) are arranged on the contact surface of the bottom plate (9) and the wedge-shaped pulling plate (1).
4. The enhanced four-core bunched strain clamp of claim 1, wherein: and a rectangular head assembly (18) and a tightening nut (19) are arranged on the fastening bolt (6).
5. The enhanced four-core bunched strain clamp of claim 1, wherein: chamfers (20) are arranged on two sides of the wire clamping groove (11).
6. The enhanced four-core bunched strain clamp of claim 1, wherein: the inverted teeth (14) are arranged in the middle of the wire clamping groove (11).
7. The enhanced four-core bunched strain clamp of claim 1, wherein: inclined planes (21) are arranged on the clamping plate (10) corresponding to the two sides of the wire clamping groove (11), and the inclined planes (21) can be embedded into the wire clamping groove (11) of the bottom plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944129.6U CN209881351U (en) | 2019-06-21 | 2019-06-21 | Four core strain clamp tied in a bundle of enhancement mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944129.6U CN209881351U (en) | 2019-06-21 | 2019-06-21 | Four core strain clamp tied in a bundle of enhancement mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209881351U true CN209881351U (en) | 2019-12-31 |
Family
ID=68946810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920944129.6U Expired - Fee Related CN209881351U (en) | 2019-06-21 | 2019-06-21 | Four core strain clamp tied in a bundle of enhancement mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209881351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636286A (en) * | 2020-12-31 | 2021-04-09 | 中网电力科技有限公司 | Prevent insulating strain clamp tied in a bundle of deformation |
-
2019
- 2019-06-21 CN CN201920944129.6U patent/CN209881351U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636286A (en) * | 2020-12-31 | 2021-04-09 | 中网电力科技有限公司 | Prevent insulating strain clamp tied in a bundle of deformation |
| CN112636286B (en) * | 2020-12-31 | 2022-03-08 | 中网电力科技有限公司 | Prevent insulating strain clamp tied in a bundle of deformation |
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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: 20191231 |