CN201813128U - Bolt type strain clamp - Google Patents
Bolt type strain clamp Download PDFInfo
- Publication number
- CN201813128U CN201813128U CN2010205668952U CN201020566895U CN201813128U CN 201813128 U CN201813128 U CN 201813128U CN 2010205668952 U CN2010205668952 U CN 2010205668952U CN 201020566895 U CN201020566895 U CN 201020566895U CN 201813128 U CN201813128 U CN 201813128U
- Authority
- CN
- China
- Prior art keywords
- briquetting
- wire casing
- bolt
- wire
- clip body
- Prior art date
- 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
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model relates to line hardware for transmission and distribution lines, particularly a bolt type strain clamp for insulated overhead lines.The utility model provides the following technical scheme that the bolt type strain clamp comprises a clamp body, a pressing block, a U bolt and a nut, wherein one side of the clamp body is provided with a wire casing; one end of the pressing block, which faces the clamp body, is provided with cambered bulges; a plurality of cambered pits which are matched with the cambered bulges of the pressing block are arranged on the wire casing; the cambered bulges of the pressing block extend into the cambered pits of the wire casing; one end of the pressing block, which is opposite to the end with the cambered bulges, is provided with a cambered groove; the U bolt comprises a clamping end and a fixed end; the clamping end is embedded in the cambered groove of the pressing block and can rotate freely; and the fixed end of the U bolt penetrates through a through hole in the wire casing of the clamp body and is fixed with the nut. By adopting the technical scheme, the bolt type strain clamp has the advantages of high holding power and wire skid prevention, and can realize self tightening.
Description
Technical field
The utility model relates to a kind of electric line line hardware, particularly a kind of a kind of screw bolt-type strain clamp that is applicable to the insulated aerial circuit.
Background technology
The latter end of lead need utilize strain clamp to be fixed on the strain insulator of strain tower when power transmission line set up, and common strain clamp is divided into screw bolt-type, crimp type and wedge type.Advantages such as the screw bolt-type strain clamp does not need special tool(s) because of easy for installation, and is detachable are widely used, but also have because of the accident generation that the lead slippage is dropped appears in bolt looseness, need make regular check on and add fixing bolt for the prevention bolt looseness and safeguard.When particularly being applicable to suspended insulated guide wire,, generally all take wire stripping to install, lowered efficiency of construction, and the lead oxidation of wire stripping place is very fast because of the easier bolt looseness that causes of insulating barrier creep.
Summary of the invention
At the deficiency of prior art existence, but the utility model provides a kind of screw bolt-type strain clamp of the big self-tightening of a kind of grip, non-skid thread.
For achieving the above object, the utility model provides following technical scheme: a kind of screw bolt-type strain clamp, include wire clip body, briquetting, U-bolt and nut, it is characterized in that: a side of described wire clip body is provided with wire casing, described briquetting is an arc-shaped convex towards an end of wire clip body, wire casing is provided with some and the adaptive arcuation pit of briquetting arc-shaped convex, the circular arc projection of briquetting extends in the arcuation pit of wire casing, be provided with circular groove with respect to the other end that arc-shaped convex one end is set on the briquetting, described U-bolt includes joint end and stiff end, its joint end is embedded in the briquetting circular groove free to rotate, and the stiff end of U-bolt passes the through hole of wire clip body wire casing and fixes with nut.
Wherein, the center of circle of circular arc type groove is lower than the center of circle of circular arc type projection on the briquetting.
Adopt technique scheme, when fastening nut, can drive briquetting and lead is pressed in the wire casing of wire clip body; To drive briquetting when the lead slippage is that rotate in the center of circle with the joint end of U-bolt, because the center of circle of circular groove is lower than the center of circle of its arc-shaped convex on the briquetting, therefore briquetting will rotate and strengthen the pressure of lead along with briquetting, prevent the further slippage of lead.
The utility model further is set to: the wire casing of wire clip body is provided with some groove projectioies with respect to the other end place that cooperates an end with briquetting.
Adopt technique scheme, after being provided with like this, the frictional force between wire clamp and the lead has increased, and has improved the grip to lead.
The utility model further is set to: wire clip body is " 7 " font, and the bottom of wire casing is a waveform on the wire clip body, and wire casing pit interior and that the briquetting arc-shaped convex is adaptive is the corrugated the lowest point of wire casing.
Adopt technique scheme, simple in structure, connection compactness.
The beneficial effects of the utility model are: the center of circle that is lower than its arc-shaped convex owing to the center of circle of circular groove on the briquetting, and briquetting can be that rotate in the center of circle with the joint end of U-bolt, so will drive briquetting when the lead slippage rotates, and U-bolt has been fixed in wire casing one side of wire clip body by nut, therefore briquetting will increase the pressure of lead, thereby stop lead further to slide.This shows that the utility model has strengthened the grip of strain clamp, can prevent especially, also can remedy the grip decline that bolt looseness causes, reduced the line upkeep number of times because of becoming flexible that the creep of insulated conductor insulating barrier causes.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is that the A of Fig. 1 is to partial schematic diagram;
Fig. 3 looks schematic diagram for the master of the utility model embodiment;
Fig. 4 is the structural representation of briquetting among the utility model embodiment.
Embodiment
As Fig. 1-a kind of screw bolt-type strain clamp shown in Figure 3, include wire clip body 1, briquetting 2, U-bolt 3 and nut 4; Described wire clip body 1 is " 7 " font, one side is the wire casing 11 that extends along the arc axis, and opposite side is two hangers 12, and the part that wire casing extends to horizontal direction is the span side, the part of Yan Shening is the wire jumper side downwards, wire casing bottom 13 undulates of wire clamp wire jumper side; Described briquetting 2 is an arc-shaped convex 21 towards an end of wire clip body 1, wire casing 11 is provided with the adaptive arcuation pit 111 of some and briquetting 2 arc-shaped convex 21, the circular arc projection 21 of briquetting 2 extends in the arcuation pit 111 of wire casing, this arcuation pit 111 is corrugated the lowest point, be provided with circular groove 22 with respect to the other end that arc-shaped convex 21 1 ends are set on the briquetting 2, and the circular arc center of circle of circular groove 22 is lower than the circular arc center of circle of arc-shaped convex 21; Described U-bolt 3 includes joint end 31 and stiff end 32, its joint end 31 is embedded in briquetting 2 circular grooves 22 free to rotate, the stiff end 32 of U-bolt 3 passes the through hole 14 of wire clip body 1 wire casing 11 and fixes with nut 4. and when fastening nut 4, can drive U-bolt 3 briquetting 2 is pressed on lead in the wire casing 11 of wire clip body 1.The force part that the wire casing bottom of described wire clip body 1 contacts with lead is designed to matsurface or is provided with the groove 15 of several projection, and so the frictional force between wire clamp and the lead has increased, and has improved the grip to lead.
As shown in Figure 4, because the joint end 31 of U-bolt 3 is embedded in the circular groove 22 of briquetting 2 with the relation of loose fit, be center of circle rotation with the joint end 31 of U-bolt 3 so when the lead slippage, can drive briquetting 2; Because the circular arc center of circle of the circular groove 22 of briquetting 2 is lower than the circular arc center of circle of the arc-shaped convex 21 of briquetting 2, it is joint end 31 axle center of U-bolt 3 are arrived in briquetting 2 arc-shaped convex 21 both sides greater than briquetting 2 arc-shaped convex 21 centers to the distance L 2 in joint end 31 axle center of U-bolt 3 distance L 1, so the pressure of 2 pairs of leads of briquetting increases with the rotation of briquetting around U-bolt joint end 31 axle center, has stoped the further slip of lead.
As mentioned above as can be known, the utility model screw bolt-type strain clamp with said structure characteristics, there is technology to compare with oneself, having grip continues greatly, can prevent especially because of becoming flexible that the creep of insulated conductor insulating barrier causes, also can remedy the grip decline that bolt looseness causes, reduce advantages such as line upkeep number of times.
The utility model screw bolt-type strain clamp only illustrates some preferred embodiments in this manual, is not to its restriction.This professional and technical personnel conceives according to the utility model utility model can structurally make various variations or modification; for example can briquetting 2 back side circular grooves 22 are designed to annular, U-bolt 3 is adopted nonmagnetic steel material etc., so these must belong to protection range of the present utility model by the said structure design.
Claims (5)
1. screw bolt-type strain clamp, include wire clip body, briquetting, U-bolt and nut, it is characterized in that: a side of described wire clip body is provided with wire casing, described briquetting is an arc-shaped convex towards an end of wire clip body, wire casing is provided with some and the adaptive arcuation pit of briquetting arc-shaped convex, the circular arc projection of briquetting extends in the arcuation pit of wire casing, be provided with circular groove with respect to the other end that arc-shaped convex one end is set on the briquetting, described U-bolt includes joint end and stiff end, its joint end is embedded in the briquetting circular groove free to rotate, and the stiff end of U-bolt passes the through hole of wire clip body wire casing and fixes with nut.
2. a kind of screw bolt-type strain clamp according to claim 1, it is characterized in that: the center of circle of circular arc type groove is lower than the center of circle of circular arc type projection on the described briquetting.
3. a kind of screw bolt-type strain clamp according to claim 1 and 2 is characterized in that: the wire casing of described wire clip body is provided with some groove projectioies with respect to the other end place that cooperates an end with briquetting.
4. a kind of screw bolt-type strain clamp according to claim 1 and 2, it is characterized in that: described wire clip body is " 7 " font, the bottom of wire casing is a waveform on the wire clip body, and wire casing pit interior and that the briquetting arc-shaped convex is adaptive is the corrugated the lowest point of wire casing.
5. a kind of screw bolt-type strain clamp according to claim 3 is characterized in that: described wire clip body is " 7 " font, and the bottom of wire casing is a waveform on the wire clip body, and wire casing pit interior and that the briquetting arc-shaped convex is adaptive is the corrugated the lowest point of wire casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205668952U CN201813128U (en) | 2010-10-19 | 2010-10-19 | Bolt type strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205668952U CN201813128U (en) | 2010-10-19 | 2010-10-19 | Bolt type strain clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201813128U true CN201813128U (en) | 2011-04-27 |
Family
ID=43896066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205668952U Expired - Fee Related CN201813128U (en) | 2010-10-19 | 2010-10-19 | Bolt type strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201813128U (en) |
-
2010
- 2010-10-19 CN CN2010205668952U patent/CN201813128U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208570983U (en) | A kind of locking spiral conducting wire end terminal of the big grip force of pocket short-circuit grounding wire | |
| CN205070358U (en) | Set up safe spare fastener that cable used | |
| CN201656012U (en) | Indirect live wire repair clamp of power transmission line | |
| CN201813128U (en) | Bolt type strain clamp | |
| CN206727598U (en) | A kind of overhead transmission line carrying out safety backup protection device | |
| CN203690857U (en) | Puncture antiskid insulation tension wire clamp | |
| CN203674668U (en) | Preformed wire clamp anti-vibration hammer | |
| CN202905305U (en) | Icing-flashover prevention duplex I type porcelain insulator string for +/- 500kV double-circuit line on same tower | |
| CN107359577A (en) | A kind of suspension assembly of wire | |
| CN204333858U (en) | Core-bunched strain clamp | |
| CN202691300U (en) | Clamp used for installing cable in coal mine shaft | |
| CN217135119U (en) | Strain clamp for power transmission | |
| CN202340107U (en) | Suspension clamp | |
| CN214674234U (en) | Corrosion-resistant high-voltage wire duplex suspension fitting | |
| CN210608458U (en) | Buckle type insulating protective sleeve | |
| CN209896583U (en) | Electric power construction fixing-line device | |
| CN205429654U (en) | Wedge type aluminum alloy high -voltage cable strain insulator tension disk | |
| CN215419340U (en) | Novel double-hook electric power cable straight line turn-buckle | |
| CN209358206U (en) | A kind of preformed carrying out safety backup wire clamp mounting structure of conducting wire pendency | |
| CN205921338U (en) | Two cluster pieces of elasticity and two towers that dangle of going here and there of elasticity | |
| CN207039143U (en) | A kind of tension force keeps wire clamp | |
| CN108462137B (en) | Wear-resistant hardware fitting for overhead ground wire of power transmission line | |
| CN106057382A (en) | Anti-abrasion strain tower drainage wire sheath suitable for 500kV and above power transmission line | |
| CN205610165U (en) | Suspension group of wire | |
| CN218070959U (en) | Bolt type strain clamp capable of increasing grip strength |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei Gulifa Electric Co., Ltd. Assignor: Gulifa Group Co., Ltd. Contract record no.: 2011340000472 Denomination of utility model: Bolt type strain clamp Granted publication date: 20110427 License type: Exclusive License Record date: 20111215 |
|
| 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: 20110427 Termination date: 20191019 |