CN106450821B - Electric welding machine swinging deformation conductor earth clip - Google Patents
Electric welding machine swinging deformation conductor earth clip Download PDFInfo
- Publication number
- CN106450821B CN106450821B CN201611082388.XA CN201611082388A CN106450821B CN 106450821 B CN106450821 B CN 106450821B CN 201611082388 A CN201611082388 A CN 201611082388A CN 106450821 B CN106450821 B CN 106450821B
- Authority
- CN
- China
- Prior art keywords
- conductor
- clamp holder
- swinging deformation
- collet
- copper
- 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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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
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- Arc Welding In General (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a kind of electric welding machine swinging deformation conductor earth clips, are made of left and right clamp holder, folder axis and earth cable, it is characterised in that：The position bending that the left and right clamp holder is in folder axis front is the " V " shape bending section of opposite button, and left and right side swinging deformation conductor collet is equipped in the front end of the " V " shape bending section of opposite button；Left and right side swinging deformation conductor collet is connect by copper conductor with conductive copper plate respectively, two copper conductor rear ends are fixed by the first connection bolt, and the front end of two copper conductors is crimped on by the second connection bolt respectively in the base surface of the metallic conductor tablet of left and right side swinging deformation conductor collet.Flat panel workpieces can not only be clamped in the earth clip, when round, taper work or special-shaped workpiece with rough and uneven in surface pitted surface appearance can also be clamped, increase contact area, avoid poor contact, make simple, reduce production cost, easy to use.It can be extensively due to electric welding machine earthing or grounding means.
Description
Technical field
The present invention relates to a kind of improvement of earth clamp of electric welding machine, specifically a kind of electric welding machine swinging deformation conductor ground connection
Folder.
Background technology
In the teaching of senior middle school, school pays much attention to combine practical teaching, goes to understand production practices as far as possible, finds skill
Art problem, and make using knowledge in the solution of innovation.It is found by social practice：In electricity consumption welder process
In, welding cable need to be clipped in by earth clip on workpiece, whether the contact with workpiece is good, can directly affect welding quality.
Earth clamp of electric welding machine used at present, usually by left and right clamp holder, elastic clip axis, collet, brass electrode and cable punching hole structure
At, left and right clamp holder and its collet are molded by sheet stamping, and the middle part of left and right clamp holder is articulated as one by elastic clip axis,
The clamp holder of side is equipped with cable punching hole, the brass electrode being connected as one is equipped on left and right collet, brass electrode is by connecing
Line bolt is connect with welding cable.Deficiency present in this earth clamp of electric welding machine is：First, since brass electrode is with convex surface
Either " u "-shaped clamping opening clamping workpiece influences electric conductivity so contact area is small；Second is that due to brass electrode be it is fixed,
Especially suitable for flat work is clamped, it is not suitable for clamping circle or taper work；Third, since brass electrode cannot deform,
So when clamping carries the workpiece of rough and uneven in surface point, contact is worse；Fourth, since left and right clamp holder and its collet are logical
Thin plate punch forming is crossed, so complex manufacturing technology, of high cost；Fifth, do not hang or location structure, so, it is smaller being clamped
Workpiece when, be easy displacement.The above is insufficient, seriously affects welding quality, and affect earth clamp of electric welding machine
Service life.
In order to solve the above technical problems, retrieved again, though by retrieval it is found that being grounded at present about electric welding machine
Improved a variety of reports are pressed from both sides, but there is not yet flat panel workpieces can not only be clamped, round, taper can also be clamped or carry rough and uneven in surface
The special-shaped workpiece of pitted surface appearance, and its clamping contact face is good, the electric welding machine swinging deformation conductor of low manufacture cost ground connection
The report of folder.
Invention content
The purpose of the present invention is to provide one kind, and flat panel workpieces can not only be clamped, and round, taper can also be clamped or carry
The special-shaped workpiece of rough and uneven in surface pitted surface appearance, and its clamping contact face is good, the electric welding machine swinging deformation of low manufacture cost
Conductor earth clip.
In order to reach object above, the technical solution adopted in the present invention is：The electric welding machine swinging deformation conductor earth clip,
It being made of left clamp holder, right clamp holder, folder axis and earth cable, the middle part of left clamp holder and right clamp holder is articulated as one by pressing from both sides axis,
Conductive copper plate is fixed in the upper end for pressing from both sides axis by nut, compresses the front end of earth cable by the first connection bolt on conductive copper plate
Portion, it is characterised in that：The position bending that the left clamp holder and right clamp holder are in folder axis front is the " V " shape bending of opposite button
Section, the opposite button of two " V " shape bending sections is diamond shape, is led equipped with left side swinging deformation in the front end of the " V " shape bending section of opposite button
Body collet and right side swinging deformation conductor collet, the conductor of left side swinging deformation conductor collet and right side swinging deformation conductor collet
Face is opposite, conductor surface clamping workpiece；Left side swinging deformation conductor collet and right side swinging deformation conductor collet are led by copper respectively
Line is connect with conductive copper plate, and two copper conductor rear ends are fixed by the first connection bolt, to make two copper conductors
Rear end and the end of earth cable are connected as one, and the front end of two copper conductors is crimped on left side respectively by the second connection bolt
In the base surface of the metallic conductor tablet of swinging deformation conductor collet and right side swinging deformation conductor collet, to make two copper lead
The front end of line is connected with left side swinging deformation conductor collet and right side swinging deformation conductor collet respectively；The left side swinging deformation
Conductor collet, including vertical axis, axle sleeve, vertical panel, elastomer layer, copper braid over braid conductor and metallic conductor tablet, vertical axis with
Plane where two " V " shape bending sections is vertical, the front end vertical welding of the lower end of vertical axis and the " V " shape bending section of left clamp holder
Fixation is connect, axle sleeve is equipped on the vertical axis, vertical panel is fixed on the wall of axle sleeve, one is bonded on the madial wall of vertical panel
Layer elastomer layer, the copper braid over braid conductor of enhancing electric conductivity is adhesively fixed on the madial wall of elastomer layer；The metal is led
The upper end of body tablet and vertical panel is connected as one, and constitutes " L " shape plate, and the second wiring spiral shell is equipped in the rear end of metallic conductor tablet
Bolt；The rear end of the copper braid over braid conductor is compressed solid by the rear end of corresponding second connection bolt and metallic conductor tablet
It is fixed, since corresponding copper conductor is also crimped by the second connection bolt, so copper conductor is connected with copper braid over braid conductor；The right side
The structure of swinging deformation conductor collet is identical as the structure of left side swinging deformation conductor collet, right side swinging deformation conductor collet
Copper braid over braid conductor it is opposite with the copper braid over braid conductor of left side swinging deformation conductor collet.
The front end of the " V " shape bending section is equipped with the hook forward extended out；The hook is symmetrically located at there are two setting
The front end of two " V " shape bending sections.
The rear inside of the " V " shape bending section is equipped with symmetrical rotary clamp plate, and hinged by pressing from both sides axis.
The left clamp holder and right clamp holder be in folder axis on rear side of position be equipped with symmetrical spring fixed column, the two of tightening spring
End is respectively fitted on two spring fixed columns.
The earth cable passes through positioning sleeve, positioning sleeve to be fixed by the supporting rod being welded as a whole with the rear portion of right clamp holder
Between left clamp holder and right clamp holder, and 20-30mm of plane where being higher by left clamp holder and right clamp holder, positioning sleeve and folder axis away from
From flat head screw for 60-70mm, is equipped on positioning sleeve, earth cable passes through positioning sleeve and is fixed with flat head screw.
The left clamp holder and right clamp holder and its " V " shape bending section being connected as one, the hook forward extended out are by one
Root rod iron is bent, a diameter of 6mm of rod iron, and length is 300-400mm.
A diameter of 6mm of the vertical axis is highly 25-30mm, and top is equipped with nut, to prevent left side swinging deformation
Conductor collet falls off；Right side swinging deformation conductor collet, which falls off, in order to prevent also uses same measure.
The handgrip part of the left clamp holder and right clamp holder is also arranged rubber sleeve.
The elastomer layer is cavernous body layer.
The beneficial effects of the present invention are：The electric welding machine swinging deformation conductor earth clip, since collet can be swung, so
Flat panel workpieces can not only be clamped, round or taper work can also be clamped；Due to be in clamping workpiece by elastomer layer and
Copper braid over braid is clamped on workpiece, so when clamping carries the special-shaped workpiece of rough and uneven in surface pitted surface appearance, due to copper braid over braid
Conductor is relatively soft, and under the pressure of elastomer layer, copper braid over braid conductor can be pressed into depressed area, to realize with convex-concave not
The good contact of flat pitted surface appearance, avoids contact hole, it is therefore prevented that poor contact, meanwhile, in clamping circle or taper work
When, also increase contact area；Since the front end of earth clip is equipped with the hook forward extended out, so smaller workpiece is clamped
When, it can prevent collet and its workpiece of clamping from moving by being affiliated to a fixed position；Due to left and right clamp holder and
" V " shape bending section that it is connected as one, the hook forward extended out are bent by a rod iron, so making simple, drop
Low production cost.It can be extensively due to electric welding machine earthing or grounding means.
Description of the drawings
Fig. 1 is the structure schematic top plan view of the present invention.
Fig. 2 is the structure left view schematic diagram of the present invention.
Fig. 3 is the structure of the present invention along Fig. 2A-A cutaway enlargement diagrams.
Specific implementation mode
Embodiment 1：
Referring to Fig.1, Fig. 2, Fig. 3 make the present invention.The electric welding machine swinging deformation conductor earth clip, by left clamp holder 1, right clamp holder
2, it presss from both sides axis 3 and earth cable 4 is constituted, the middle part of left clamp holder 1 and right clamp holder 2 is articulated as one by pressing from both sides axis 3, in the upper of folder axis 3
Conductive copper plate 5 is fixed in end by nut, compresses the front end of earth cable 4 by the first connection bolt 6 on conductive copper plate 5,
It is characterized in that：The position bending that the left clamp holder 1 and right clamp holder 2 is in 3 front of folder axis is the " V " shape bending section of opposite button
7, the opposite button of two " V " shape bending sections 7 is diamond shape, is led equipped with left side swinging deformation in the front end of the " V " shape bending section 7 of opposite button
Body collet 8 and right side swinging deformation conductor collet 9, left side swinging deformation conductor collet 8 and right side swinging deformation conductor collet 9
Conductor surface is opposite, conductor surface clamping workpiece；Left side swinging deformation conductor collet 8 and right side swinging deformation conductor collet 9 lead to respectively
Copper conductor 10 to be crossed to connect with conductive copper plate 5, the rear end of two copper conductors 10 is fixed by the first connection bolt 6, to
The rear end and the end of earth cable 4 for making two copper conductors 10 are connected as one, and the front end of two copper conductors 10 connects by second
Line bolt 11 is crimped on the metallic conductor tablet of left side swinging deformation conductor collet 8 and right side swinging deformation conductor collet 9 respectively
Base surface on, to make the front ends of two copper conductors 10 respectively with left side swinging deformation conductor collet 8 and right side swinging deformation
Conductor collet 9 is connected, the purpose being grounded；The left side swinging deformation conductor collet 8, including vertical axis 81, axle sleeve 82, hang down
Straight panel 83, elastomer layer 84, copper braid over braid conductor 85 and metallic conductor tablet 86, vertical axis 81 and two 7 institutes of " V " shape bending section
Plane it is vertical, the lower end of vertical axis 81 and the front end vertical welding of the " V " shape bending section 7 of left clamp holder 1 are fixed, hang down
D-axis 81 is equipped with axle sleeve 82, and vertical panel 83 is fixed on the wall of axle sleeve 82, and one is bonded on the madial wall of vertical panel 83
Layer elastomer layer 84, the copper braid over braid conductor 85 of enhancing electric conductivity is adhesively fixed on the madial wall of elastomer layer 84；Described
Metallic conductor tablet 86 and the upper end of vertical panel 83 are connected as one, and are constituted " L " shape plate, are set in the rear end of metallic conductor tablet 86
There is the second connection bolt 11；The rear end of the copper braid over braid conductor 85 passes through corresponding second connection bolt 11 and metallic conductor
The rear end of tablet 86 is fixed, since corresponding copper conductor 10 is also crimped by the second connection bolt 11, so copper conductor 10 with
Copper braid over braid conductor 85 is connected；The knot of the structure and left side swinging deformation conductor collet 8 of the right side swinging deformation conductor collet 9
Structure is identical, the copper braid over braid of the copper braid over braid conductor and left side swinging deformation conductor collet 8 of right side swinging deformation conductor collet 9
Conductor 85 is opposite, in this way, in left side swinging deformation conductor collet 8 and right side swinging deformation 9 clamping workpiece of conductor collet, can make
Left side swinging deformation conductor collet 8 and the opposite copper braid over braid conductor of right side swinging deformation conductor collet 9 are clamped in workpiece respectively
Symmetrical two sides, since left side swinging deformation conductor collet 8 and right side swinging deformation conductor collet 9 can hang down along corresponding
D-axis is swung, so flat panel workpieces can not only be clamped, round or taper work can also be clamped；Due to left side swinging deformation conductor
Collet 8 and right side swinging deformation conductor collet 9 are to be clamped on workpiece by elastomer layer and copper braid over braid in clamping workpiece,
So when clamping carries the special-shaped workpiece of rough and uneven in surface pitted surface appearance, since copper braid over braid conductor is relatively soft, in elastomer layer
Pressure under, copper braid over braid conductor can be pressed into depressed area, be contacted with the good of rough and uneven in surface pitted surface appearance to realize,
Avoid contact hole, it is therefore prevented that poor contact, meanwhile, in clamping circle or taper work, also increase contact area.
The front end of the " V " shape bending section 7 is equipped with the hook 12 forward extended out, when smaller workpiece is clamped, passes through
Hook 12 is affiliated to a fixed position, can prevent left side swinging deformation conductor collet 8 and right side swinging deformation conductor collet 9 and
Its workpiece being clamped movement；The hook 12 is symmetrically located at the front end of two " V " shape bending sections 7 there are two setting, to play beauty
Effect, while multiple location is also suitable by hanging.
The rear inside of the " V " shape bending section 7 is equipped with symmetrical rotary clamp plate 13, and hinged by pressing from both sides axis 3, to
Realize that the middle part of left clamp holder 1 and right clamp holder 2 is rotated along folder axis 3.
The position that the left clamp holder 1 and right clamp holder 2 are in 3 rear side of folder axis is equipped with symmetrical spring fixed column 14, stretching bullet
The both ends of spring 15 are respectively fitted on two spring fixed columns 14, so that tightening spring 15 is fixed, by the effect of tightening spring 15, are made
Left side swinging deformation conductor collet 8 and right side swinging deformation conductor collet 9 are in the state of automatic clamping workpiece.
The earth cable 4 passes through positioning sleeve 16, positioning sleeve 16 to pass through the support that is welded as a whole with the rear portion of right clamp holder 2
Bar 17 is fixed between left clamp holder 1 and right clamp holder 2, and is higher by the 25mm of 2 place plane of left clamp holder 1 and right clamp holder, positioning sleeve 16
It is 65mm with pressing from both sides at a distance from axis 3, flat head screw 18 is equipped on positioning sleeve 16, earth cable 4 passes through positioning sleeve 16 and uses tack
Screw 18 is fixed, and can prevent earth cable 4 from swinging or extracting.
The left clamp holder 1 and right clamp holder 2 and its " V " shape bending section 7 being connected as one, the hook 12 forward extended out are logical
It crosses a rod iron to bend, a diameter of 6mm of rod iron, length 350mm.
A diameter of 6mm of the vertical axis 81 is highly 25mm, and top is equipped with nut 19, to prevent left side swinging deformation
Conductor collet 8 falls off；Right side swinging deformation conductor collet 9, which falls off, in order to prevent also uses same measure.
The handgrip part of the left clamp holder 1 and right clamp holder 2 is also arranged rubber sleeve 20.
The elastomer layer 64 is cavernous body layer.
Embodiment 2：
The electric welding machine swinging deformation conductor earth clip, structure is the same as embodiment 1.Wherein：The earth cable 4 passes through positioning sleeve
16, the supporting rod 17 that positioning sleeve 16 is welded as a whole by the rear portion of right clamp holder 2 is fixed between left clamp holder 1 and right clamp holder 2,
And it is higher by the 30mm of 2 place plane of left clamp holder 1 and right clamp holder, positioning sleeve 16 is 70mm at a distance from folder axis 3, on positioning sleeve 16
Equipped with flat head screw 18, earth cable 4 passes through positioning sleeve 16 and is fixed with flat head screw 18, can prevent the swing of earth cable 4 or
It extracts.
The left clamp holder 1 and right clamp holder 2 and its " V " shape bending section 7 being connected as one, the hook 12 forward extended out are logical
It crosses a rod iron to bend, a diameter of 6mm of rod iron, length 400mm.
A diameter of 6mm of the vertical axis 81 is highly 30mm, and top is equipped with nut 19, to prevent left side swinging deformation
Conductor collet 8 falls off；Right side swinging deformation conductor collet 9, which falls off, in order to prevent also uses same measure.
Embodiment 3：
The electric welding machine swinging deformation conductor earth clip, structure is the same as embodiment 1.Wherein：The earth cable 4 passes through positioning sleeve
16, the supporting rod 17 that positioning sleeve 16 is welded as a whole by the rear portion of right clamp holder 2 is fixed between left clamp holder 1 and right clamp holder 2,
And it is higher by the 20mm of 2 place plane of left clamp holder 1 and right clamp holder, positioning sleeve 16 is 60mm at a distance from folder axis 3, on positioning sleeve 16
Equipped with flat head screw 18, earth cable 4 passes through positioning sleeve 16 and is fixed with flat head screw 18, can prevent the swing of earth cable 4 or
It extracts.
The left clamp holder 1 and right clamp holder 2 and its " V " shape bending section 7 being connected as one, the hook 12 forward extended out are logical
It crosses a rod iron to bend, a diameter of 6mm of rod iron, length 300mm.
A diameter of 6mm of the vertical axis 81 is highly 28mm, and top is equipped with nut 19, to prevent left side swinging deformation
Conductor collet 8 falls off；Right side swinging deformation conductor collet 9, which falls off, in order to prevent also uses same measure.
Claims (7)
1. electric welding machine swinging deformation conductor earth clip, by left clamp holder（1）, right clamp holder（2）, folder axis（3）And earth cable（4）Structure
At left clamp holder（1）With right clamp holder（2）Middle part pass through press from both sides axis（3）It is articulated as one, in folder axis（3）Upper end it is solid by nut
Determine conductive copper plate（5）, in conductive copper plate（5）It is upper to pass through the first connection bolt（6）Compress earth cable（4）End, feature
It is：The left clamp holder（1）With right clamp holder（2）It is in folder axis（3）The position bending of front is the " V " shape bending section of opposite button
（7）, in the " V " shape bending section of opposite button（7）Front end be equipped with left side swinging deformation conductor collet（8）It is led with right side swinging deformation
Body collet（9）；Left side swinging deformation conductor collet（8）With right side swinging deformation conductor collet（9）Pass through copper conductor respectively（10）
With conductive copper plate（5）Connection, two copper conductors（10）Rear end passes through the first connection bolt（6）It is fixed, two copper conductors
（10）Front end pass through the second connection bolt（11）It is crimped on left side swinging deformation conductor collet respectively（8）With right side swinging deformation
Conductor collet（9）Metallic conductor tablet base surface on；The left side swinging deformation conductor collet（8）, including vertical axis
（81）, axle sleeve（82）, vertical panel（83）, elastomer layer（84）, copper braid over braid conductor（85）With metallic conductor tablet（86）, vertically
Axis（81）With two " V " shape bending sections（7）The plane at place is vertical, vertical axis（81）Lower end and left clamp holder（1）" V " shape
Bending section（7）Front end vertical welding fix, in vertical axis（81）It is equipped with axle sleeve（82）, in axle sleeve（82）Wall on it is fixed
Equipped with vertical panel（83）, in vertical panel（83）Madial wall on bond one layer of elastomer layer（84）, elastomer layer（84）Inside
The copper braid over braid conductor of enhancing electric conductivity is adhesively fixed on wall（85）；The metallic conductor tablet（86）With vertical panel（83）
Upper end be connected as one, constitute " L " shape plate, in metallic conductor tablet（86）Rear end be equipped with the second connection bolt（11）；Institute
State copper braid over braid conductor（85）Rear end pass through corresponding second connection bolt（11）With metallic conductor tablet（86）Rear end
It is fixed；The right side swinging deformation conductor collet（9）Structure and left side swinging deformation conductor collet（8）Structure phase
Together, right side swinging deformation conductor collet（9）Copper braid over braid conductor and left side swinging deformation conductor collet（8）Copper braid over braid
Conductor（85）Relatively.
2. electric welding machine swinging deformation conductor earth clip according to claim 1, it is characterised in that：The " V " shape bending
Section（7）Front end be equipped with the hook that forward extends out（12）；The hook（12）If there are two, it is curved to be symmetrically located at two " V " shapes
Tune（7）Front end.
3. electric welding machine swinging deformation conductor earth clip according to claim 1, it is characterised in that：The left clamp holder（1）With
Right clamp holder（2）It is in folder axis（3）The position of rear side is equipped with symmetrical spring fixed column（14）, tightening spring（15）Both ends difference
It is sleeved on two spring fixed columns（14）On.
4. electric welding machine swinging deformation conductor earth clip according to claim 1, it is characterised in that：The earth cable（4）
Across positioning sleeve（16）, positioning sleeve（16）By with right clamp holder（2）The supporting rod that is welded as a whole of rear portion（17）It is fixed on a left side
Clamp holder（1）With right clamp holder（2）Between, and it is higher by left clamp holder（1）With right clamp holder（2）20-30mm of place plane, positioning sleeve
（16）With folder axis（3）Distance be 60-70mm, in positioning sleeve（16）It is equipped with flat head screw（18）, earth cable（4）It passes through
Positioning sleeve（16）Flat head screw is used in combination（18）It is fixed.
5. electric welding machine swinging deformation conductor earth clip according to claim 1 or 3, it is characterised in that：The left clamp holder
（1）With right clamp holder（2）And its " V " shape bending section being connected as one（7）, the hook that forward extends out（12）It is curved by a rod iron
It makes, a diameter of 6mm of rod iron, length is 300-400mm.
6. electric welding machine swinging deformation conductor earth clip according to claim 1, it is characterised in that：The vertical axis（81）
A diameter of 6mm, be highly 25-30mm, top be equipped with nut（19）.
7. electric welding machine swinging deformation conductor earth clip according to claim 1, it is characterised in that：The left clamp holder（1）
With right clamp holder（2）Handgrip part be also arranged rubber sleeve（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082388.XA CN106450821B (en) | 2016-11-30 | 2016-11-30 | Electric welding machine swinging deformation conductor earth clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082388.XA CN106450821B (en) | 2016-11-30 | 2016-11-30 | Electric welding machine swinging deformation conductor earth clip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106450821A CN106450821A (en) | 2017-02-22 |
| CN106450821B true CN106450821B (en) | 2018-08-17 |
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ID=58223174
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611082388.XA Expired - Fee Related CN106450821B (en) | 2016-11-30 | 2016-11-30 | Electric welding machine swinging deformation conductor earth clip |
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| Country | Link |
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| CN (1) | CN106450821B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106889034A (en) * | 2017-04-24 | 2017-06-27 | 杨春生 | It is quick to draw worm device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066788U (en) * | 1989-12-02 | 1990-12-05 | 昆明市开关四厂 | Grounding clamp for electric welding machine |
| DE19710306C2 (en) * | 1997-02-26 | 2001-12-06 | Wago Verwaltungs Gmbh | Electrical clamp |
| CN202259760U (en) * | 2011-08-24 | 2012-05-30 | 上海宝钢化工有限公司 | Multifunctional welder grounding wire clamp |
| CN203521646U (en) * | 2013-10-14 | 2014-04-02 | 北京赛德高科铁道电气科技有限责任公司 | Oscillating grounding clamp for electric locomotive or bullet train |
| CN204195041U (en) * | 2014-09-17 | 2015-03-11 | 上海新月工具有限公司 | Electric welding earth clip |
-
2016
- 2016-11-30 CN CN201611082388.XA patent/CN106450821B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2066788U (en) * | 1989-12-02 | 1990-12-05 | 昆明市开关四厂 | Grounding clamp for electric welding machine |
| DE19710306C2 (en) * | 1997-02-26 | 2001-12-06 | Wago Verwaltungs Gmbh | Electrical clamp |
| CN202259760U (en) * | 2011-08-24 | 2012-05-30 | 上海宝钢化工有限公司 | Multifunctional welder grounding wire clamp |
| CN203521646U (en) * | 2013-10-14 | 2014-04-02 | 北京赛德高科铁道电气科技有限责任公司 | Oscillating grounding clamp for electric locomotive or bullet train |
| CN204195041U (en) * | 2014-09-17 | 2015-03-11 | 上海新月工具有限公司 | Electric welding earth clip |
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| Publication number | Publication date |
|---|---|
| CN106450821A (en) | 2017-02-22 |
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