CN211958710U - Split type wedge strain clamp - Google Patents
Split type wedge strain clamp Download PDFInfo
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- CN211958710U CN211958710U CN202020964224.5U CN202020964224U CN211958710U CN 211958710 U CN211958710 U CN 211958710U CN 202020964224 U CN202020964224 U CN 202020964224U CN 211958710 U CN211958710 U CN 211958710U
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Abstract
The utility model discloses a split type wedge strain clamp belongs to electric power fitting production manufacturing and processing technology field, has solved that traditional strain clamp structural design is unreasonable, can only process through casting process, pollute big, workman's physical and mental health seriously receives the problem of infringement. The wire clamp mainly comprises a wire clamp body, wherein a wedge-shaped through hole for accommodating a wedge core is formed in the wire clamp body, a wire slot is formed in the side wall of the wedge core, side plates detachably fixedly connected with the wire clamp body are arranged on two sides of the wire clamp body, and a fastening piece fixedly connected with an external connection structure is arranged at the head end of each side plate. The utility model discloses structural design is simple ingenious, can be through forging technology production, and no dust pollution has effectively protected the environment, has effectively protected staff's physical and mental health, and simple to operate is swift, and high altitude construction is easy, and the practicality is very strong, has important meaning in electric power gold utensil technical field.
Description
Technical Field
The utility model belongs to the technical field of the processing is made in the electric power fitting production, specifically speaking especially relates to a can adopt forging technology processing, simple ingenious, the construction simple to operate swift, the manufacturing is easy, no dust pollution, beneficial environmental protection and the healthy split type wedge strain clamp of staff mind and body.
Background
The strain clamp is mainly used for fixing a lead or a ground wire on a strain insulator string of a nonlinear tower and plays a role in anchoring. The strain clamp comprises three types, namely a bolt type strain clamp, a compression type strain clamp and a wedge-shaped strain clamp. The wedge-shaped strain clamp is used for installing a steel strand, fastening an overhead ground wire and a stay wire of a stay wire tower, and the steel strand is locked in the clamp by utilizing the wedge action of the wedge. Among wedge strain clamps, the NX wedge clamp is most widely used.
The invention discloses a Chinese patent with an authorization notice number CN202856283U, an authorization notice date 2013.04.03 and a name of a wedge-shaped strain clamp, wherein the clamp structure disclosed by the Chinese patent is the existing NX wedge-shaped clamp structure, and the Chinese patent mainly comprises the following components: the wire clamp comprises a wire clamp body provided with a wedge-shaped through hole, a wedge core arranged in the wedge-shaped through hole, a bolt and a nut matched with the bolt; a wire groove is arranged on the side wall of the wedge core, and the wire groove and the hole wall of the wedge-shaped through hole are combined to form a wire clamping hole for clamping a steel strand; the caliber of the front end of the wedge-shaped through hole is smaller than that of the rear end of the wedge-shaped through hole; a hanging plate extending backwards is formed at the rear end of the wire clamp body; the tail end of the hanging plate is provided with a through hole, and a bolt is arranged in the through hole. The clip body of a conventional NX wedge clip includes a tapered portion and a long side plate portion, and the tapered portion and the long side plate portion are an integral structure manufactured using a casting process. The traditional wire clamp is long in body, and the wedge-shaped through hole cannot be manufactured through a forging process, and can only be produced through a casting process. As is known, the pollution of casting process is large, a lot of dust and harmful gas are emitted in a casting workshop, about 5-6kg of dust is emitted when one ton of cast iron is smelted in the smelting process of a cupola, about 50kg of dust is emitted when one ton of cast iron is produced in the casting process, the dust seriously pollutes the environment, and the dust continuously attacks the physical and mental health of workers in the workshop. Therefore, redesigning the NX wedge-shaped wire clamp structure to enable the wire clamp structure to be processed and produced through a forging process is a technical problem which needs to be solved urgently by electric power fitting technicians.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to the not enough of prior art existence, provide one kind can adopt forging technology processing, structural design is simple ingenious, construction simple to operate is swift, manufacturing is easy, no dust pollution, beneficial environmental protection and the healthy split type wedge strain clamp of staff's physical and mental.
The utility model discloses a realize through following technical scheme:
the utility model provides a split type wedge strain clamp, includes the fastener body, is equipped with the wedge through-hole that holds the wedge core on the fastener body, is equipped with the wire casing on the lateral wall of wedge core, and the accommodation space that forms between the pore wall of wire casing and wedge through-hole is the centre gripping space of centre gripping steel strand wires, the both sides of fastener body are equipped with the curb plate of detachable rigid coupling with it, and the head end of curb plate is equipped with the fastener with external connection structure fixed connection.
Preferably, the two sides of the wire clamp body are provided with connecting lugs, and the connecting lugs comprise connecting rods and limiting caps which are fixed with the connecting rods into a whole; the side plate is provided with a connecting hole; the connecting hole penetrates through the limiting cap to be sleeved on the connecting rod; the connecting rod is used as a rotating shaft to rotate the side plate, and the connecting hole is limited on the connecting rod by a limiting cap.
Preferably, the limiting cap is oval, and the length of the short axis of the limiting cap is equal to the diameter of the connecting rod; the connecting hole is also elliptical, the long axis of the connecting hole is collinear with the transverse central line of the side plate, and the long axis of the connecting hole is perpendicular to the long axis of the limiting cap.
Preferably, the fastening piece is a matching set of a bolt and a nut, and the bolt transversely penetrates through the through holes arranged at the head ends of the two side plates.
Preferably, the nut is provided with a split pin for preventing the nut from loosening.
Preferably, the wire clamp body and the wedge core are made of aluminum alloy and are both manufactured by adopting a forging process.
Preferably, the diameter of the front end of the wire clamp body is smaller than that of the rear end thereof; the diameter of the front end opening of the wedge-shaped through hole is smaller than that of the rear end opening of the wedge-shaped through hole, and the section of the wedge-shaped through hole is in a kidney-shaped hole shape.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has simple and ingenious structural design, the traditional integrated main structure is designed into a split structure, and the split structure simplifies the main structure, so that the integrated main structure can be produced and processed by a forging process, is easy to produce and manufacture, has no dust pollution, effectively protects the environment and effectively protects the physical and mental health of workers;
furthermore, and the utility model discloses a split type structure construction installation is very convenient easy, need not extra dismouting part, also need not with the help of any appurtenance, and high altitude construction is easy, and the practicality is very strong, has important meaning in electric power fitting technical field.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a first schematic view of the front view direction structure of the present invention;
FIG. 4 is a schematic view of the front view direction structure of the present invention;
FIG. 5 is a schematic structural view of the present invention after the wedge core is hidden;
FIG. 6 is a schematic view of the wedge core structure of the present invention;
fig. 7 is a schematic view of the application structure of the present invention.
In the figure: 1. a wire clamp body; 2. a wedge core; 3. a wire slot; 4. a wedge-shaped through hole; 5. a side plate; 6. a fastener; 7. connecting lugs; 8. a connecting rod; 9. a limiting cap; 10. connecting holes; 11. a bolt; 12. a nut; 13. and (4) steel strands.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
the utility model provides a split type wedge strain clamp, includes fastener body 1, is equipped with wedge through-hole 4 that holds wedge core 2 on the fastener body 1, is equipped with wire casing 3 on the lateral wall of wedge core 2, and the accommodation space that forms between wire casing 3 and the pore wall of wedge through-hole 4 is the centre gripping space of centre gripping steel strand wires 13, the both sides of fastener body 1 are equipped with the curb plate 5 of detachable rigid coupling with it, and the head end of curb plate 5 is equipped with fastener 6 with external device fixed connection.
Preferably, the two sides of the wire clamp body 1 are provided with connecting lugs 7, and each connecting lug 7 comprises a connecting rod 8 and a limiting cap 9 which is fixed with the connecting rod 8 into a whole; the side plate 5 is provided with a connecting hole 10; the connecting hole 10 penetrates through the limiting cap 9 and is sleeved on the connecting rod 8; the side plate 5 is rotated by taking the connecting rod 8 as a rotating shaft, and the connecting hole 10 is limited on the connecting rod 8 by the limiting cap 9.
Preferably, the limiting cap 9 is oval, and the length of the short axis of the limiting cap 9 is equal to the diameter of the connecting rod 8; the connecting hole 10 is also elliptical, the long axis of the connecting hole 10 is collinear with the transverse central line of the side plate 5, and the long axis of the connecting hole 10 is perpendicular to the long axis of the limiting cap 9.
Preferably, the fastening member 6 is a matching set of a bolt 11 and a nut 12, and the bolt 11 transversely penetrates through a through hole arranged at the head end position of the two side plates 5.
Preferably, the nut 12 is provided with a cotter pin for preventing the nut 12 from loosening.
Preferably, the wire clamp body 1 and the wedge core 2 are made of aluminum alloy and are both manufactured by adopting a forging process.
Preferably, the diameter of the front end of the wire clamp body 1 is smaller than that of the rear end thereof; the diameter of the front end of the wedge-shaped through hole 4 is smaller than that of the rear end of the wedge-shaped through hole, and the section of the wedge-shaped through hole 4 is in a kidney-shaped hole shape.
Example 1:
this embodiment includes fastener body 1, is equipped with wedge through-hole 4 that holds wedge core 2 on the fastener body 1, is equipped with wire casing 3 on the lateral wall of wedge core 2, and the accommodation space that forms between wire casing 3 and the pore wall of wedge through-hole 4 is centre gripping steel strand 1313's centre gripping space, and the both sides of fastener body 1 are equipped with the curb plate 5 of detachable rigid coupling with it, and the head end of curb plate 5 is equipped with fastener 6 with external equipment fixed connection. In the embodiment, the side plate, the wire clamp body and the wedge-shaped through hole are forged by a forging process. The wire clamp body 1 and the wedge core 2 are made of aluminum alloy.
Like the existing wire clamp, the wire clamp is fixedly connected with an external connection structure (such as a strain insulator string) to be connected by using a fastener 6, and in combination with the drawings shown in the specification and fig. 4 and 7, a steel strand 1313 is routed along a wire groove of a wedge core, and the wire is clamped in a clamping space by using the splitting force of the wedge core. The dashed lines in fig. 4 represent wedge cores.
The difference that this embodiment and current fastener used is just in the split type structure of curb plate department. Because of the split structure, constructors need to fixedly install the side plates at two sides of the wire clamp body in the construction process. Firstly, routing the steel strand 1313 along a wedge core wire groove, and fixing the end of the steel strand 1313; and then fixing the side plate, and finally fixing the side plate and the external connection structure by using a fastener, so that the installation of the whole wire clamp is completed.
The structure of the embodiment is simple and ingenious in design, the traditional integrated main structure is designed into a split structure, and the split structure simplifies the main structure, so that the integrated main structure can be produced and processed by a forging process, is easy to produce and manufacture, has no dust pollution, effectively protects the environment and effectively protects the physical and mental health of workers;
in addition, the split type structure construction installation of this embodiment is very convenient easy, need not extra dismouting part, also need not with the help of any appurtenance, and the high altitude construction degree of difficulty is very low, and the practicality is very strong, has important meaning in electric power fitting technical field.
Example 2:
this embodiment includes fastener body 1, is equipped with wedge through-hole 4 that holds wedge core 2 on the fastener body 1, is equipped with wire casing 3 on the lateral wall of wedge core 2, and the accommodation space that forms between wire casing 3 and the pore wall of wedge through-hole 4 is centre gripping steel strand 1313's centre gripping space, and the both sides of fastener body 1 are equipped with the curb plate 5 of detachable rigid coupling with it, and the head end of curb plate 5 is equipped with fastener 6 with external equipment fixed connection. In the embodiment, the side plate, the wire clamp body and the wedge-shaped through hole are forged by a forging process. The wire clamp body 1 and the wedge core 2 are made of aluminum alloy.
Like the existing wire clamp, the wire clamp is fixedly connected with an external connection structure (such as a strain insulator string) to be connected by using a fastener 6, and in combination with the drawings shown in the specification and fig. 4 and 7, a steel strand 1313 is routed along a wire groove of a wedge core, and the wire is clamped in a clamping space by using the splitting force of the wedge core. The dashed lines in fig. 4 represent wedge cores.
The two sides of the wire clamp body 1 of the embodiment are provided with connecting lugs 7, and each connecting lug 7 comprises a connecting rod 8 and a limiting cap 9 which is fixed with the connecting rod 8 into a whole; the side plate 5 is provided with a connecting hole 10; the connecting hole 10 penetrates through the limiting cap 9 and is sleeved on the connecting rod 8; the side plate 5 is rotated by taking the connecting rod 8 as a rotating shaft, and the connecting hole 10 is limited on the connecting rod 8 by the limiting cap 9. The design of the connecting hole and the limiting cap only needs to meet the requirement that the connecting hole is sleeved in the limiting cap and then the connecting hole does not slip off from the limiting cap after the connecting hole rotates by an angle. That is, when the side plate is in the vertical direction, the limit cap 9 and the connecting rod 8 can penetrate into the connecting hole 10; when the side plate 5 is placed in the horizontal direction, the connecting holes 10 are synchronously rotated by 90 degrees, and the connecting holes 10 are limited on the connecting rod 8 by the limiting caps 9. The shape design of the limit cap 9 and the connecting hole 10 can be diversified, and the functions can be satisfied.
The diameter of the front end of the wire clamp body 1 is smaller than that of the rear end of the wire clamp body; the diameter of the front end of the wedge-shaped through hole 4 is smaller than that of the rear end thereof, and the section of the wedge-shaped through hole 4 is in a kidney-shaped hole shape.
The difference that this embodiment and current fastener used is exactly in split type structure department. Because of the split structure, constructors need to fixedly install the side plates on two sides of the wire clamp body firstly in the construction process. Firstly, routing the steel strand 1313 along a wedge core wire groove, and fixing the end of the steel strand 1313; then the side plate is placed in the vertical direction, the connecting hole penetrates through the limiting cap and is sleeved on the connecting rod, the side plate is rotated to keep horizontal, and at the moment, the side plate cannot slip off from the connecting rod due to the limitation of the limiting cap; after the side plates are fixed, the side plates and the external connection structure are fixed by using fasteners, and the whole wire clamp is installed; the side plate on the wire clamp is always in a horizontal state under the action of the pulling force of the pulling wire, so that the side plate can be firmly limited on the connecting lug.
The structure of the embodiment is simple and ingenious in design, the traditional integrated main structure is designed into a split structure, and the split structure simplifies the main structure, so that the integrated main structure can be produced and processed by a forging process, is easy to produce and manufacture, has no dust pollution, effectively protects the environment and effectively protects the physical and mental health of workers;
in addition, the split type structure construction installation of this embodiment is very convenient easy, need not extra dismouting part, also need not with the help of any appurtenance, and the high altitude construction degree of difficulty is very low, and the practicality is very strong, has important meaning in electric power fitting technical field.
Example 3:
this embodiment includes fastener body 1, is equipped with wedge through-hole 4 that holds wedge core 2 on the fastener body 1, is equipped with wire casing 3 on the lateral wall of wedge core 2, and the accommodation space that forms between wire casing 3 and the pore wall of wedge through-hole 4 is centre gripping steel strand 1313's centre gripping space, and the both sides of fastener body 1 are equipped with the curb plate 5 of detachable rigid coupling with it, and the head end of curb plate 5 is equipped with fastener 6 with external equipment fixed connection. In the embodiment, the side plate, the wire clamp body and the wedge-shaped through hole are forged by a forging process. The wire clamp body 1 and the wedge core 2 are made of aluminum alloy. The fastening piece 6 is a matching set of a bolt 11 and a nut 12, and the bolt 11 transversely penetrates through two through holes arranged at the head end positions of the two side plates 5. The nut 12 is provided with a cotter pin for preventing the nut 12 from loosening.
Like the existing wire clamp, the wire clamp is fixedly connected with an external connection structure (such as a strain insulator string) to be connected by using a fastener 6, and in combination with the drawings shown in the specification and fig. 4 and 7, a steel strand 1313 is routed along a wire groove of a wedge core, and the wire is clamped in a clamping space by using the splitting force of the wedge core. The dashed lines in fig. 4 represent wedge cores.
The two sides of the wire clamp body 1 of the embodiment are provided with connecting lugs 7, and each connecting lug 7 comprises a connecting rod 8 and a limiting cap 9 which is fixed with the connecting rod 8 into a whole; the side plate 5 is provided with a connecting hole 10; the connecting hole 10 penetrates through the limiting cap 9 and is sleeved on the connecting rod 8; the side plate 5 is rotated by taking the connecting rod 8 as a rotating shaft, and the connecting hole 10 is limited on the connecting rod 8 by the limiting cap 9. The design of the connecting hole and the limiting cap only needs to meet the requirement that the connecting hole is sleeved in the limiting cap and then the connecting hole does not slip off from the limiting cap after the connecting hole rotates by an angle. That is, the limit cap 9, the connecting rod 8 can penetrate the connecting hole 10 when the side panel is in the vertical direction, and the connecting hole 10 is restricted on the connecting rod 8 by the limit cap 9 when the side panel 5 is placed in the horizontal direction. Specifically, the limiting cap 9 is oval, and the length of the short axis of the limiting cap 9 is equal to the rod diameter value of the connecting rod 8; the connecting hole 10 is also elliptical, the long axis of the connecting hole 10 is collinear with the transverse central line of the side plate 5, and the long axis of the connecting hole 10 is perpendicular to the long axis of the limiting cap 9. The oval design, forging processing is easy, and production efficiency is high.
The diameter of the front end of the wire clamp body 1 is smaller than that of the rear end of the wire clamp body; the diameter of the front end of the wedge-shaped through hole 4 is smaller than that of the rear end thereof, and the section of the wedge-shaped through hole 4 is in a kidney-shaped hole shape.
The utility model discloses the difference with the use of current fastener just lies in split type structure department. Because of the split structure, constructors need to fixedly install the side plates on two sides of the wire clamp body firstly in the construction process. Firstly, routing the steel strand 1313 along a wedge core wire groove, and fixing the end of the steel strand 1313; then the side plates are placed in the vertical direction, the oval connecting holes penetrate through the limiting caps and are sleeved on the connecting rods, the side plates are rotated to keep horizontal, and at the moment, the side plates cannot slip off from the connecting rods due to the limitation of the oval limiting caps; after the side plates are fixed, the side plates and the external connection structure are fixed by using bolt and nut fasteners, and the whole wire clamp is installed; the side plate on the wire clamp is always in a horizontal state under the action of the pulling force of the pulling wire, so that the side plate can be firmly limited on the connecting lug.
The structure of the embodiment is simple and ingenious in design, the traditional integrated main structure is designed into a split structure, and the split structure simplifies the main structure, so that the integrated main structure can be produced and processed by a forging process, is easy to produce and manufacture, has no dust pollution, effectively protects the environment and effectively protects the physical and mental health of workers;
in addition, the split type structure construction installation of this embodiment is very convenient easy, need not extra dismouting part, also need not with the help of any appurtenance, and high altitude construction is easy, and the practicality is very strong, has important meaning in electric power fitting technical field.
In summary, the present invention is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the claims of the present invention.
Claims (7)
1. The utility model provides a split type wedge strain clamp, includes the fastener body, is equipped with the wedge through-hole that holds the wedge core on the fastener body, is equipped with the wire casing on the lateral wall of wedge core, and the accommodation space that forms between the pore wall of wire casing and wedge through-hole is the centre gripping space of centre gripping steel strand wires, its characterized in that: the two sides of the wire clamp body are provided with side plates which are detachably and fixedly connected with the wire clamp body, and the head end of each side plate is provided with a fastener which is fixedly connected with the external connection structure.
2. The split wedge strain clamp of claim 1, wherein: the two sides of the wire clamp body are provided with connecting lugs, and the connecting lugs comprise connecting rods and limiting caps which are fixed with the connecting rods into a whole; the side plate is provided with a connecting hole; the connecting hole penetrates through the limiting cap to be sleeved on the connecting rod; the connecting rod is used as a rotating shaft to rotate the side plate, and the connecting hole is limited on the connecting rod by a limiting cap.
3. The split wedge strain clamp of claim 2, wherein: the limiting cap is oval, and the length of the short shaft of the limiting cap is equal to the diameter value of the connecting rod; the connecting hole is also elliptical, the long axis of the connecting hole is collinear with the transverse central line of the side plate, and the long axis of the connecting hole is perpendicular to the long axis of the limiting cap.
4. The split wedge strain clamp of claim 1 or 2, wherein: the fastener is a matching member of a bolt and a nut, and the bolt transversely penetrates through the through holes formed in the head ends of the two side plates.
5. The split wedge strain clamp of claim 4, wherein: the nut is provided with a split pin for preventing the nut from loosening.
6. The split wedge strain clamp of claim 1 or 2, wherein: the wire clamp body and the wedge core are made of aluminum alloy and are both manufactured by adopting a forging process.
7. The split wedge strain clamp of claim 1 or 2, wherein: the diameter of the front end opening of the wire clamp body is smaller than that of the rear end opening of the wire clamp body; the diameter of the front end opening of the wedge-shaped through hole is smaller than that of the rear end opening of the wedge-shaped through hole, and the section of the wedge-shaped through hole is in a kidney-shaped hole shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020964224.5U CN211958710U (en) | 2020-05-30 | 2020-05-30 | Split type wedge strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020964224.5U CN211958710U (en) | 2020-05-30 | 2020-05-30 | Split type wedge strain clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211958710U true CN211958710U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020964224.5U Active CN211958710U (en) | 2020-05-30 | 2020-05-30 | Split type wedge strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211958710U (en) |
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2020
- 2020-05-30 CN CN202020964224.5U patent/CN211958710U/en active Active
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