CN205051015U - Welding ground pincers - Google Patents
Welding ground pincers Download PDFInfo
- Publication number
- CN205051015U CN205051015U CN201520851677.6U CN201520851677U CN205051015U CN 205051015 U CN205051015 U CN 205051015U CN 201520851677 U CN201520851677 U CN 201520851677U CN 205051015 U CN205051015 U CN 205051015U
- Authority
- CN
- China
- Prior art keywords
- axle
- sleeve pipe
- shape frame
- ground wire
- pincers
- 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
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- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a welding ground pincers, including " U " shape frame, the outer terminal surface of one of them lateral wall of " U " shape frame is fixed with the axle, and the circumference of axle overlaps has on the surface put the sleeve pipe, and sheathed tube circumference surface one side is fixed with the ground wire mounting, and the ground wire mounting can rotate around the axle center of axle through the sleeve pipe, and the sheathed tube material is copper, another lateral wall of " U " shape frame is equipped with the screw hole, and the construction bolt passes the screw hole and inwards stretches into " U " shape frame, and the tip that the construction bolt lies in " U " shape frame rotates and is connected with the clamp plate, and the clamp plate is parallel with the lateral wall that " U " shape was put up, and the construction bolt passes through the bearing and is connected with the clamp plate rotation. According to the structure, the utility model discloses a welding ground pincers is through the face contact between axle sleeve and the sleeve pipe to be clearance fit again, produce electric spark so not only can guarantee can not take place to discharge between axle sleeve and the sleeve pipe, but also can guarantee the ground wire mounting and can avoid ground wire batching fried dough twist form around the axle free rotation, guarantee that the welded continuously goes on.
Description
Technical field
The utility model relates to the field that welding ground connects, and is specifically related to a kind of welding ground pincers.
Background technology
At present, conventional earth wire clamp is in the process of welding the symmetrical casting such as such as pipe, in order to ensure welding quality, usually make that pipe at the uniform velocity rotates and welding machine does not turn, and earth wire clamp two ends are because difference connecting pipe and ground wire, therefore when pipe rotates, earth wire clamp can rotate along with the rotation of pipe, but because earth wire clamp can not rotation, then often cause the ground wire connecting earth wire clamp to be rolled into " fried dough twist " shape.Thus, the time has been grown, and the crust of ground wire will be damaged, sectionally must be cut away by damaged ground wire and again crimp.
Those skilled in the art are known, and ground wire is expensive and again crimp and expend man-hour, thus reduce welding efficiency; In addition, general earth wire clamp, due to the defect of structure and the restriction of material, gripping range is little, therefore is difficult to use to the sheet material of relatively thick or tubing, and, also poor to the adaptability of clamped workpiece (such as having the workpiece etc. of arc surface) profile, useful life is very short.
Publication number is the technical scheme that patent discloses a kind of welding ground pincers of CN104158000A, and occur when solving welding that ground wire is coiled into the technical problem of twisted shape, but this technical scheme is in use because the junction of its structure cannot accomplish to be all face contact, so have electric discharge phenomena in using and create electric spark, and for the workpiece of following high precision, the surface quality of electric spark meeting defective work piece, causes product rejection, adds the defect rate of product.
Summary of the invention
The purpose of this utility model is: overcome the deficiencies in the prior art, a kind of welding ground is provided to clamp, by the face contact between axle sleeve and sleeve pipe, and be matched in clearance, so can not only ensure electric discharge can not occur between axle sleeve and sleeve pipe and produce electric spark, but also can ensure that ground wire fixture freely can rotate around axle, invariably the coil of wire becomes twisted shape, is even wound around and causes ground wire to drop or rupture, and what guarantee was welded continues to carry out; By the rib effect of axle sleeve, forming surface between axle sleeve with " U " shape frame is contacted, avoid between " U " shape frame and axle sleeve, electric discharge occurring and producing electric spark; By the effect of axle sleeve rib and packing ring, can position-limiting action be played, prevent sleeve pipe from leaving axle sleeve when rotation; By the effect of " U " shape plate, can not only contact with hitching interior forming surface, thus avoid between " U " shape plate and sleeve pipe, electric discharge occurring and producing electric spark, and can directly utilize adjusting bolt to carry out regulating and fixing, thus can according to the size of welding current, regulate the size of axle sleeve and sleeve pipe, improve usability, be also convenient to the ground wire of the different welding machine of welding ground clipper joint; Make " U " shape frame and surface of the work be all that face contacts by the effect of pressing plate, avoiding " U " shape frame defective work piece when fixing, also avoiding between " U " shape frame and workpiece, electric discharge phenomena occurring and producing electric spark; By bearing, construction bolt is connected with pressing plate, reduces frictional resistance time construction bolt is tightened, reduce the labour intensity of operative employee; improve installation effectiveness; also can protect pressing plate in addition, avoid the destruction of active force to pressing plate of construction bolt, extend the useful life of pressing plate.
Technical solution adopted in the utility model is:
Welding ground clamps, comprise " U " shape frame, the outer face of described " U " shape frame wherein sidewall is fixed with axle, the circumferential surface of described axle is equipped with sleeve pipe, the circumferential surface side of described sleeve pipe is fixed with ground wire fixture, described ground wire fixture can by the axis rotation of sleeve pipe around axle, and the material of described sleeve pipe is copper; Another sidewall of described " U " shape frame is provided with screwed hole, described construction bolt inwardly stretches into " U " shape frame through screwed hole, the end that described construction bolt is positioned at " U " shape frame is rotatably connected to pressing plate, described pressing plate is parallel with the sidewall of " U " shape frame, described construction bolt is connected with press plate rotary by bearing, and the material of described pressing plate is copper.
The further improvement project of the utility model is provided with axle sleeve between described sleeve pipe and axle, and described axle sleeve is fixed on axle, is matched in clearance between described sleeve pipe and axle sleeve, and the length of described sleeve pipe is less than the length of axle sleeve, and the material of described axle sleeve is copper.
The utility model further improvement project is, described axle sleeve is fitted with the sidewall of " U " shape frame, and described axle sleeve and " U " shape frame bonding position place are outwards provided with rib; The external diameter of described rib is greater than the internal diameter of sleeve pipe.
The utility model further improvement project is, described axle is provided with screw thread away from one end of " U " shape frame, and axle sleeve and axle are fixed with " U " shape frame by screw thread by described clamp nut.
The utility model further improvement project is, is provided with packing ring between described clamp nut and axle sleeve, and the external diameter of described packing ring is greater than the internal diameter of sleeve pipe, and the material of described packing ring is copper.
The utility model further improvement project is, described ground wire fixture is fixed by " U " shape plate and sleeve pipe, the bend of described " U " shape plate is wound on the surface of sleeve pipe, and be fixedly clamped by the two ends of adjusting bolt by " U " shape plate, the bend of " U " shape plate and clamp sleeve are fastened simultaneously.
The utility model further improvement project is, described ground wire fixture is fixed on the end of " U " shape plate by adjusting bolt.
The utility model further improvement project is, the stiff end of described ground wire fixture and ground wire stretches out " U " shape plate, and the both sides of the stiff end of described ground wire fixture and ground wire upwards and inwardly formed and turn down flanging.
The utility model further improvement project is, the end of described construction bolt is provided with projection, and described projection is coaxially provided with multiple vertically, and the diameter of projection successively decreases along the direction towards pressing plate, and the diameter of projection foremost and the internal diameter of bearing match.
The utility model further improvement project is, described hold-down plate surface is fixed to a side end face of construction bolt and bearing pedestal, and the internal diameter of described bearing pedestal and the external diameter of bearing match, and described bearing pedestal is provided with through hole, and described through-hole diameter is greater than the diameter of construction bolt.
The beneficial effects of the utility model are:
The first, welding ground of the present utility model pincers, by the face contact between axle sleeve and sleeve pipe, and be matched in clearance, so can not only ensure electric discharge can not occur between axle sleeve and sleeve pipe and produce electric spark, but also can ensure that ground wire fixture freely can rotate around axle, invariably the coil of wire becomes twisted shape, is even wound around and causes ground wire to drop or rupture, and what guarantee was welded continues to carry out.
The second, welding ground of the present utility model pincers, by the rib effect of axle sleeve, make forming surface between axle sleeve with " U " shape frame contact, avoid generation between " U " shape frame and axle sleeve discharge and produce electric spark.
Three, welding ground of the present utility model pincers, by the effect of axle sleeve rib and packing ring, can play position-limiting action, prevent sleeve pipe from leaving axle sleeve when rotation.
Four, welding ground pincers of the present utility model, by the effect of " U " shape plate, can not only contact with hitching interior forming surface, thus avoid between " U " shape plate and sleeve pipe, electric discharge occurring and producing electric spark, and can directly utilize adjusting bolt to carry out regulating and fixing, thus according to the size of welding current, the size of axle sleeve and sleeve pipe can be regulated, improve usability, be also convenient to the ground wire of the different welding machine of welding ground clipper joint.
Five, welding ground pincers of the present utility model, " U " shape frame and surface of the work is made to be all that face contacts by the effect of pressing plate, avoiding " U " shape frame defective work piece when fixing, also avoiding between " U " shape frame and workpiece, electric discharge phenomena occurring and producing electric spark.
Six, welding ground pincers of the present utility model; by bearing, construction bolt is connected with pressing plate; reduce frictional resistance time construction bolt is tightened; reduce the labour intensity of operative employee; improve installation effectiveness; also can protect pressing plate in addition, avoid the destruction of active force to pressing plate of construction bolt, extend the useful life of pressing plate.
accompanying drawing illustrates:
Fig. 1 is that the master of the utility model structure looks partial schematic sectional view.
embodiment:
As shown in Figure 1, the utility model comprises " U " shape frame 1, the outer face of described " U " shape frame 1 wherein sidewall is fixed with axle 3, the circumferential surface of described axle 3 is equipped with sleeve pipe 7, the circumferential surface side of described sleeve pipe 7 is fixed with ground wire fixture 2, described ground wire fixture 2 can by the axis rotation of sleeve pipe 7 around axle 3, and the material of described sleeve pipe 7 is copper; Another sidewall of described " U " shape frame 1 is provided with screwed hole 17, described construction bolt 5 inwardly stretches into " U " shape frame 1 through screwed hole 17, the end that described construction bolt 5 is positioned at " U " shape frame 1 is rotatably connected to pressing plate 4, described pressing plate 4 is parallel with the sidewall of " U " shape frame 1, described construction bolt 5 is rotationally connected by bearing 15 and pressing plate 4, and the material of described pressing plate 4 is copper; Be provided with axle sleeve 8 between described sleeve pipe 7 and axle 3, described axle sleeve 8 is fixed on axle 3, is matched in clearance between described sleeve pipe 7 and axle sleeve 8, and the length of described sleeve pipe 7 is less than the length of axle sleeve 8, and the material of described axle sleeve 8 is copper; Described axle sleeve 8 is fitted with the sidewall of " U " shape frame 1, and described axle sleeve 8 is outwards provided with rib with " U " shape frame 1 bonding position place; The external diameter of described rib is greater than the internal diameter of sleeve pipe 7; Described axle 3 is provided with screw thread away from one end of " U " shape frame 1, and axle sleeve 8 and axle 3 and " U " shape frame 1 are fixed by screw thread by described clamp nut 11; Be provided with packing ring 9 between described clamp nut 11 and axle sleeve 8, the external diameter of described packing ring 9 is greater than the internal diameter of sleeve pipe 7, and the material of described packing ring 9 is copper; Described ground wire fixture 2 is fixed by " U " shape plate 6 and sleeve pipe 7, the bend 10 of described " U " shape plate 6 is wound on the surface of sleeve pipe 7, and be fixedly clamped by the two ends of adjusting bolt 12 by " U " shape plate 6, the bend 10 of " U " shape plate 6 is fixedly clamped with sleeve pipe 7 simultaneously; Described ground wire fixture 2 is fixed on the end of " U " shape plate 6 by adjusting bolt 12; Described ground wire fixture 2 stretches out " U " shape plate 6 with the stiff end of ground wire, and the both sides of described ground wire fixture 2 and the stiff end of ground wire upwards and inwardly formed and turn down flanging 13; The end of described construction bolt 5 is provided with projection 16, and described projection 16 is coaxially provided with multiple vertically, and the diameter of projection 16 successively decreases along the direction towards pressing plate 4, and the diameter of projection 16 foremost and the internal diameter of bearing 15 match; Described pressing plate 4 is fixed towards a side end face of construction bolt 5 and bearing pedestal 14, and the internal diameter of described bearing pedestal 14 and the external diameter of bearing 15 match, and described bearing pedestal 14 is provided with through hole, and described through-hole diameter is greater than the diameter of construction bolt 5.
Claims (10)
1. welding ground pincers, it is characterized in that: comprise " U " shape frame (1), the outer face of described " U " shape frame (1) wherein sidewall is fixed with axle (3), the circumferential surface of described axle (3) is equipped with sleeve pipe (7), the circumferential surface side of described sleeve pipe (7) is fixed with ground wire fixture (2), described ground wire fixture (2) can pass through sleeve pipe (7) axis rotation around axle (3), and the material of described sleeve pipe (7) is copper; Another sidewall of described " U " shape frame (1) is provided with screwed hole (17), construction bolt (5) inwardly stretches into " U " shape frame (1) through screwed hole (17), the end that described construction bolt (5) is positioned at " U " shape frame (1) is rotatably connected to pressing plate (4), described pressing plate (4) is parallel with the sidewall of " U " shape frame (1), described construction bolt (5) is rotationally connected by bearing (15) and pressing plate (4), and the material of described pressing plate (4) is copper.
2. welding ground pincers as claimed in claim 1, it is characterized in that: between described sleeve pipe (7) and axle (3), be provided with axle sleeve (8), described axle sleeve (8) is fixed on axle (3), be matched in clearance between described sleeve pipe (7) and axle sleeve (8), the length of described sleeve pipe (7) is less than the length of axle sleeve (8), and the material of described axle sleeve (8) is copper.
3. welding ground pincers as claimed in claim 2, it is characterized in that: described axle sleeve (8) is fitted with the sidewall of " U " shape frame (1), described axle sleeve (8) and " U " shape frame (1) bonding position place are outwards provided with rib; The external diameter of described rib is greater than the internal diameter of sleeve pipe (7).
4. welding ground pincers as claimed in claim 2, it is characterized in that: described axle (3) is provided with screw thread away from one end of " U " shape frame (1), axle sleeve (8) and axle (3) and " U " shape frame (1) are fixed by screw thread by clamp nut (11).
5. welding ground pincers as claimed in claim 4, it is characterized in that: be provided with packing ring (9) between described clamp nut (11) and axle sleeve (8), the external diameter of described packing ring (9) is greater than the internal diameter of sleeve pipe (7), and the material of described packing ring (9) is copper.
6. welding ground pincers as claimed in claim 1, it is characterized in that: described ground wire fixture (2) is fixed by " U " shape plate (6) and sleeve pipe (7), the bend (10) of described " U " shape plate (6) is wound on the surface of sleeve pipe (7), and be fixedly clamped by the two ends of adjusting bolt (12) by " U " shape plate (6), the bend (10) of " U " shape plate (6) and sleeve pipe (7) are fixedly clamped simultaneously.
7. welding ground pincers as claimed in claim 6, is characterized in that: described ground wire fixture (2) is fixed on the end of " U " shape plate (6) by adjusting bolt (12).
8. welding ground pincers as claimed in claim 6, it is characterized in that: the stiff end of described ground wire fixture (2) and ground wire stretches out " U " shape plate (6), the both sides of described ground wire fixture (2) and the stiff end of ground wire upwards and inwardly formed and turn down flanging (13).
9. welding ground pincers as claimed in claim 1, it is characterized in that: the end of described construction bolt (5) is provided with projection (16), described projection (16) is coaxially provided with multiple vertically, the diameter of projection (16) successively decreases along the direction towards pressing plate (4), and the diameter of projection (16) foremost and the internal diameter of bearing (15) match.
10. welding ground pincers as claimed in claim 9, it is characterized in that: described pressing plate (4) is fixed towards a side end face of construction bolt (5) and bearing pedestal (14), the internal diameter of described bearing pedestal (14) and the external diameter of bearing (15) match, described bearing pedestal (14) is provided with through hole, and described through-hole diameter is greater than the diameter of construction bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851677.6U CN205051015U (en) | 2015-10-30 | 2015-10-30 | Welding ground pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851677.6U CN205051015U (en) | 2015-10-30 | 2015-10-30 | Welding ground pincers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051015U true CN205051015U (en) | 2016-02-24 |
Family
ID=55344560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520851677.6U Expired - Fee Related CN205051015U (en) | 2015-10-30 | 2015-10-30 | Welding ground pincers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205051015U (en) |
-
2015
- 2015-10-30 CN CN201520851677.6U patent/CN205051015U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160224 Termination date: 20171030 |