CN212323669U - Bolt type aluminum alloy strain clamp - Google Patents
Bolt type aluminum alloy strain clamp Download PDFInfo
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- CN212323669U CN212323669U CN202021192566.6U CN202021192566U CN212323669U CN 212323669 U CN212323669 U CN 212323669U CN 202021192566 U CN202021192566 U CN 202021192566U CN 212323669 U CN212323669 U CN 212323669U
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- frustum
- strain clamp
- aluminum alloy
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Abstract
The utility model relates to a bolt type aluminum alloy strain clamp, a U-shaped bolt is matched with bolt seats matched with the two sides of a body, and a pressing strip is fixed on the body by the U-shaped bolt; the middle part of the bolt seat is provided with an inverted frustum-shaped channel, the middle part of the frustum-shaped sleeve is provided with a cylindrical channel, two sides of the U-shaped bolt are provided with fixing legs, the frustum-shaped sleeve is fixed on the two fixing legs of the U-shaped bolt, and the shape of the frustum-shaped sleeve and the inverted frustum-shaped channel form interference fit; the fixed position of the frustum-shaped sleeve does not hinder the U-shaped bolt from pressing down the pressing strip; the bottom of the bolt seat is provided with a lower concave hole, and the fixed positions of the elastic gasket and the nut are arranged in the lower concave hole; in the bolt type aluminum alloy strain clamp, the fixing positions of the elastic gasket and the nut are arranged in the lower concave hole, so that the corrosion and the aging of the elastic gasket and the nut are slowed down; the frustum-shaped sleeve plays a role in sealing, and reduces the corrosion and aging of the elastic gasket and the screw cap caused by rainwater flowing down from the bolt seat.
Description
Technical Field
The utility model belongs to fastener structure field, concretely relates to bolt type aluminum alloy strain clamp.
Background
The strain clamp is mainly used for fixing aluminum stranded wires and steel-cored aluminum stranded wires on strain towers of overhead lines and substations. The strain clamp is used for corner turning, connection and connection of terminals. The spiral aluminum clad steel wire has extremely strong strain strength, and the strain clamp has no concentrated stress and plays a role in protecting and assisting vibration reduction of the optical cable.
The strain clamp generally provides the clamping force of the cable through the matching of the bolt and the nut, and the aging and the corrosion of the bolt and the nut can seriously affect the clamping effect of the strain clamp on the cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the technical problem who exists among the above-mentioned background art, providing a bolt type aluminum alloy strain clamp.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a bolt type aluminum alloy strain clamp comprises a body, a pressing strip, a U-shaped bolt, a frustum-shaped sleeve, an elastic gasket and a nut.
At least one pair of bolt seats which are arranged in a matched mode is arranged on the two sides of the body, the U-shaped bolts are matched with the bolt seats which are arranged on the two sides of the body in a matched mode, and the pressing strips are fixed on the body through the U-shaped bolts.
The middle part of the bolt seat is provided with an inverted frustum-shaped channel, the middle part of the frustum-shaped sleeve is provided with a cylindrical channel, two sides of the U-shaped bolt are provided with fixing legs, the frustum-shaped sleeve is fixed on the two fixing legs of the U-shaped bolt, and the shape of the frustum-shaped sleeve and the inverted frustum-shaped channel form interference fit; the fixed position of the frustum-shaped sleeve does not hinder the U-shaped bolt from pressing down the pressing strip.
The bottom of the bolt seat is a lower concave hole, and the fixing positions of the elastic gasket and the nut are arranged in the lower concave hole, so that the corrosion and the aging of the elastic gasket and the nut are slowed down. The U-shaped bolt just can realize the centre gripping to the cable conductor through the good oppression to the layering, and the ageing or the corruption of elastic gasket and nut can make the strain clamp to the centre gripping inefficacy of cable conductor, and especially elastic gasket and nut are in the installation, and its surface can produce the destruction, and forms the corruption easily.
The frustum-shaped sleeve plays a role in sealing, and reduces the corrosion and aging of the elastic gasket and the screw cap caused by rainwater flowing down from the bolt seat.
Optionally, a second undulating interface is arranged on the lower surface of the pressing bar, and a first undulating interface matched with the second undulating interface is arranged on the body. The first undulation interface and the second undulation interface form matching, and the clamping friction force of the cable can be enhanced.
Optionally, the first undulating interface at the corresponding position of the U-shaped bolt is a concave surface, and the second undulating interface at the corresponding position of the U-shaped bolt is a convex surface. The pressing strip at the position of the fixed position of the U-shaped bolt is stressed maximally; the matching of the lower concave surface and the lower convex surface can enhance the clamping friction force of the cable.
Optionally, two sides of the body are provided with 3 pairs of bolt seats arranged in a matching manner.
Optionally, the angle between the U-shaped bolt and the pressing bar is 80-75 degrees.
Preferably, the frustum-shaped sleeve is a rubber sealing sleeve.
Further optionally, the frustum-shaped sleeve has a volume 1.2 times that of the inverted frustum-shaped channel, and the frustum-shaped sleeve is fixed in the inverted frustum-shaped channel to form a compressed sealing fit.
The utility model provides a bolt type aluminum alloy strain clamp, the fixed positions of the elastic gasket and the nut are arranged in the lower concave hole, thus slowing down the corrosion and aging of the elastic gasket and the nut; the frustum-shaped sleeve plays a role in sealing, and reduces the corrosion and aging of the elastic gasket and the screw cap caused by rainwater flowing down from the bolt seat.
Drawings
FIG. 1 is a schematic view of the whole strain clamp of the present invention;
FIG. 2 is a schematic longitudinal sectional view of the strain clamp of the present invention;
fig. 3 is a schematic longitudinal sectional view of the bolt seat according to the present invention, partially enlarged;
reference numerals: strain clamp (100), body (1), bolt seat (11), lower part shrinkage pool (111), first interface (12) that lie prostrate, layering (2), second undulation interface (21), U-shaped bolt (3), frustum shape cover (4), elastic gasket (5), nut (6).
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, a bolt-type aluminum alloy strain clamp, a strain clamp 100 includes a body 1, a bead 2, a U-shaped bolt 3, a frustum-shaped sleeve 4, an elastic gasket 5 and a nut 6;
three pairs of paired bolt seats 11 are arranged on two sides of the body 1, the U-shaped bolt 3 is matched with the paired bolt seats 11 on two sides of the body 1, and the pressing strip 2 is fixed on the body 1 through the U-shaped bolt 3.
The middle part of the bolt seat 11 is provided with an inverted frustum-shaped channel, the middle part of the frustum-shaped sleeve 4 is provided with a cylindrical channel, two sides of the U-shaped bolt 3 are provided with fixing legs, the frustum-shaped sleeve 4 is fixedly bonded on the two fixing legs of the U-shaped bolt 3, and the shape of the frustum-shaped sleeve 4 and the inverted frustum-shaped channel form interference fit; the size of the frustum-shaped sleeve 4 is 1.2 times of that of the inverted frustum-shaped channel, and the frustum-shaped sleeve 4 is fixed in the inverted frustum-shaped channel to form a compressed sealing fit. The fixed position of the frustum-shaped sleeve 4 does not prevent the U-shaped bolt 3 from pressing the pressing strip 2. The angle between the U-shaped bolt 3 and the pressing strip 2 is 75 degrees.
The bottom of the bolt seat 11 is a lower concave hole 111, and the fixing positions of the elastic gasket 5 and the nut 6 are arranged in the lower concave hole 111, so that the corrosion and the aging of the elastic gasket 5 and the nut 6 are slowed down. The U-shaped bolt 3 can only realize the centre gripping to the cable conductor through the good oppression to layering 2, and the ageing or the corruption of elastic gasket 5 and nut 6 can make the strain clamp to the centre gripping inefficacy of cable conductor, and especially elastic gasket 5 and nut 6 can produce destruction at the installation in-process in its surface, and form the corruption easily.
The frustum-shaped sleeve 4 plays a role in sealing, and reduces the corrosion and aging of the elastic gasket 5 and the screw cap 6 caused by rainwater flowing down from the bolt seat 11. The frustum-shaped sleeve 4 is a rubber sealing sleeve.
The lower surface of the pressing strip 2 is provided with a second fluctuating interface 21, and the body 1 is provided with a first fluctuating interface 12 matched with the second fluctuating interface 21. The first undulating interface 12 and the second undulating interface 21 are matched, so that the clamping friction of the cable can be enhanced. The first undulation interface 12 at the corresponding position of the U-shaped bolt 3 is a concave surface, and the second undulation interface 21 at the corresponding position of the U-shaped bolt 3 is a convex surface. The pressure strip 2 at the fixed position of the U-shaped bolt 3 is stressed maximally; the matching of the lower concave surface and the lower convex surface can enhance the clamping friction force of the cable.
The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The embodiment is only a single implementation manner of the present invention, and for those skilled in the art, other embodiments can be obtained according to the attached drawings without any creative effort, and are also within the protection scope of the present invention.
Claims (7)
1. The utility model provides a bolt type aluminum alloy strain clamp which characterized in that: the strain clamp (100) comprises a body (1), a pressing strip (2), a U-shaped bolt (3), a frustum-shaped sleeve (4), an elastic gasket (5) and a screw cap (6);
at least one pair of paired bolt seats (11) are arranged on two sides of the body (1), the U-shaped bolt (3) is matched with the paired bolt seats (11) on two sides of the body (1), and the pressing strip (2) is fixed on the body (1) through the U-shaped bolt (3);
the middle part of the bolt seat (11) is provided with an inverted frustum-shaped channel, the middle part of the frustum-shaped sleeve (4) is provided with a cylindrical channel, two sides of the U-shaped bolt (3) are provided with fixing legs, the frustum-shaped sleeve (4) is fixed on the two fixing legs of the U-shaped bolt (3), and the shape of the frustum-shaped sleeve (4) and the inverted frustum-shaped channel form interference fit; the fixed position of the frustum-shaped sleeve (4) does not hinder the U-shaped bolt (3) from pressing the pressing strip (2);
the bottom of the bolt seat (11) is provided with a lower concave hole (111), and the fixed positions of the elastic gasket (5) and the nut (6) are arranged in the lower concave hole (111).
2. The bolt type aluminum alloy strain clamp according to claim 1, wherein a second undulating interface (21) is arranged on the lower surface of the pressing strip (2), and a first undulating interface (12) matched with the second undulating interface (21) is arranged on the body (1).
3. The bolt-type aluminum alloy strain clamp of claim 2, wherein the first relief interface (12) of the U-shaped bolt (3) at the corresponding position is a concave surface, and the second relief interface (21) of the U-shaped bolt (3) at the corresponding position is a convex surface.
4. The bolt-type aluminum alloy strain clamp according to any one of claims 1 to 3, wherein 3 pairs of bolt seats (11) are provided on both sides of the body (1).
5. The bolt-type aluminum alloy strain clamp according to any one of claims 1 to 3, wherein the angle between the U-bolt (3) and the bead (2) is 80 to 75 degrees.
6. The bolt-type aluminum alloy strain clamp according to any one of claims 1 to 3, wherein the frustum-shaped sleeve (4) is a rubber sealing sleeve.
7. The bolt-type aluminum alloy strain clamp according to any one of claims 1 to 3, wherein the frustum-shaped sleeve (4) has a volume dimension 1.2 times that of the inverted frustum-shaped channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021192566.6U CN212323669U (en) | 2020-06-24 | 2020-06-24 | Bolt type aluminum alloy strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021192566.6U CN212323669U (en) | 2020-06-24 | 2020-06-24 | Bolt type aluminum alloy strain clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323669U true CN212323669U (en) | 2021-01-08 |
Family
ID=74027862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021192566.6U Active CN212323669U (en) | 2020-06-24 | 2020-06-24 | Bolt type aluminum alloy strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323669U (en) |
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2020
- 2020-06-24 CN CN202021192566.6U patent/CN212323669U/en active Active
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