CN201437191U - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN201437191U CN201437191U CN200920155343XU CN200920155343U CN201437191U CN 201437191 U CN201437191 U CN 201437191U CN 200920155343X U CN200920155343X U CN 200920155343XU CN 200920155343 U CN200920155343 U CN 200920155343U CN 201437191 U CN201437191 U CN 201437191U
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- CN
- China
- Prior art keywords
- jig arm
- fulcrum bar
- lower fulcrum
- binding clasp
- screw rod
- 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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Abstract
The utility model relates to a clamping device. The clamping device comprises a bracket and a tightening screw rod, wherein, the bracket comprises a lower supporting pole, a front clamping arm and a back clamping arm; the front clamping arm and the back clamping arm are vertically positioned on the same side of the lower supporting pole; the front clamping arm is at a specified distance away from the back clamping arm; a through screw hole is formed at the upper part of the back clamping arm; and the tightening screw rod penetrates through the screw hole and is arranged towards the front clamping arm. The utility model has the advantages of simple structure, convenient operation, high reliability and wide adaptability, effectively reduces manufacturing cost, and is particularly applied to the ground wire welding construction.
Description
Technical field
The utility model relates to a kind of anchor clamps, relates in particular to a kind of binding clasp that uses in welding procedure.
Background technology
As everyone knows, in locomotive sheet material parts assembly welding technique process, when welding ground, usually adopt following several modes: one, directly weld exposed end, without anchor clamps, will cause welding to interrupt but welded part is mobile because of carelessness when welding, therefore this mode reliability is low.Two, adopt ground wire to clamp the mode of stepping up on welded piece, though this mode is reliable, but need be when welding by big electric current and frequent conversion current value, because ground wire wrench structure size is less, often use easily by the electric current scaling loss, therefore the ground wire pincers can not satisfy the needs of big electric current, and the ground wire pincers need often change, and have strengthened production cost.
In addition, put down in writing a kind of welding ground clamp in notification number is the Chinese patent of CN2083979U, comprised handle and following handle, upper and lower handle is hinged by jointed shaft, and ratchet laterally runs through the handle upper aperture, one side ratchet be provided with the compression spring.By prolonging the clamp decreased food, utilize lever principle, apply less external force and just can obtain bigger clamping force, but its structure more complicated, need promote ratchet by spring leaf, could after openhanded opening, make welded piece be in clamped condition, therefore need higher production cost.
The utility model content
The purpose of this utility model provides a kind of binding clasp, and this binding clasp is not only simple in structure, easy to operate, reliability is high, and can effectively reduce production costs.
For achieving the above object, the utility model proposes a kind of binding clasp, comprise support and tighten screw rod, described support comprise lower fulcrum bar and be vertical at described lower fulcrum bar and be positioned at described lower fulcrum bar the same side preceding jig arm and the back jig arm, the spacing that separates regulation before described between jig arm and the described back jig arm, the top of described back jig arm is provided with the screw of perforation, and the described screw rod of tightening passes the jig arm setting before described of described screw.
Wherein, described support is horizontal F type, and described preceding jig arm is fixedly arranged on an end of described lower fulcrum bar, forms integrative-structure.
Wherein, the described screw rod of tightening comprises the screw rod body, at described screw rod body end of jig arm before described clamping head is installed, and at the other end of described screw rod body handle is installed.
Wherein, described preceding jig arm upper end is provided with the clamping plane, and described clamping plane is corresponding with the position of described clamping head.
Wherein, described back jig arm is weldingly fixed on the described lower fulcrum bar.
Wherein, the bottom of described back jig arm is provided with trepanning, described back jig arm is set on the described lower fulcrum bar by this trepanning, on at least one sidewall of described back jig arm, be provided with the positioning screw hole that is connected with described trepanning, one location screw is screwed together in described positioning screw hole, and its front end is resisted against described lower fulcrum bar.
Wherein, offer locating slot on the length direction of described lower fulcrum bar, the front end of described dog screw closely is embedded in the described locating slot.
Wherein, on described lower fulcrum bar, with described before the relative other end of jig arm offer connecting hole.
Wherein, described lower fulcrum bar, preceding jig arm and back jig arm are metallic conductor, and the length of described lower fulcrum bar 11 is 220mm, and width is 35mm, and thickness is 35mm; The length of jig arm 12 is 117.5mm before described, and width is 35mm, and thickness is 20mm; The length of described back jig arm 13 is 135mm, and width is 35mm; Thickness is 25mm.
The utility model and existing structure the utlity model has following characteristics and advantage in comparison:
Binding clasp of the present utility model, but the screw rod of tightening of spinning in and out is set on the back jig arm of its support, clamp welded part by tightening screw rod with cooperating of preceding jig arm, tightening screw rod can be according to the adjusting of different operating mode freedom and flexibility with the clamping spacing between the preceding jig arm, wide accommodation clamps by the welding steel plate when being specially adapted to the welding ground of locomotive sheet material parts assembly welding fast.
And, binding clasp of the present utility model also can be arranged to movably syndeton with back jig arm and lower fulcrum bar, back jig arm can be slided as guide rail thereon by lower fulcrum bar, and be located in position according to the practice of construction operating mode, spacing before so just making between jig arm and the back jig arm can be regulated, and has improved the flexibility of using.Simultaneously, the contraposition setting on clamping head and clamping plane has improved the reliability of clamper.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1 is the structural representation of the embodiment one of the utility model binding clasp;
Fig. 2 is a schematic perspective view of tightening screw rod of the present utility model;
Fig. 3 is the structural representation of the embodiment two of the utility model binding clasp;
Fig. 4 is the schematic perspective view of the back jig arm of the utility model embodiment two;
Fig. 5 is the schematic perspective view of the embodiment three of the utility model binding clasp;
Fig. 6 looks schematic diagram for the master of the embodiment three of the utility model binding clasp;
Fig. 7 is the schematic top plan view of the embodiment three of the utility model binding clasp;
Fig. 8 is the schematic perspective view of the support of the utility model embodiment three.
Description of reference numerals:
The 1-support; The 11-lower fulcrum bar; Jig arm before the 12-; Jig arm behind the 13-; 2-tightens screw rod; 21-screw rod body; The 22-clamping head; The 23-handle; 31-clamping plane; The 4-connecting hole; The 5-dog screw; The 6-trepanning; The 7-positioning screw hole; The 8-screw; The 9-locating slot; The 10-dog screw.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.
Extremely shown in Figure 8 as Fig. 1, the utility model binding clasp comprises support 1 and tightens screw rod 2, support 1 comprises lower fulcrum bar 11 and is vertical at lower fulcrum bar 11 and is positioned at the preceding jig arm 12 and the back jig arm 13 of lower fulcrum bar 11 the same sides, the spacing that separates regulation between preceding jig arm 12 and the back jig arm 13, the top of back jig arm 13 is provided with the screw 8 of perforation, tighten screw rod 2 and pass screw 8 towards preceding jig arm 12 settings, an end of promptly tightening screw rod 2 stretches out this screw 8 towards the direction of preceding jig arm 12.
Embodiment one:
Fig. 1 is the structural representation of the embodiment one of the utility model binding clasp; Fig. 2 is a schematic perspective view of tightening screw rod of the present utility model.As shown in Figure 1, binding clasp of the present utility model, comprise support 1 and tighten screw rod 2, support 1 is horizontal F type, be made of lower fulcrum bar 11, preceding jig arm 12 and back jig arm 13, wherein preceding jig arm 12 is arranged on lower fulcrum bar 11 1 sides, and forms integrative-structures with lower fulcrum bar 11, back jig arm 13 remains on the same side with preceding jig arm 12, and is weldingly fixed on the lower fulcrum bar 11 with distance that preceding jig arm 12 separates regulation.On the jig arm 13 of back, be provided with the screw 8 (as shown in Figure 4) of perforation, be used for and tighten screw rod 2 and match away from a side with lower fulcrum bar 11 stiff ends.
See also Fig. 1, shown in Figure 2, tighten screw rod 2 and comprise screw rod body 21, clamping head 22 and handle 23.Tighten that screw rod 2 screws and the screw 8 on the jig arm 13 of back, and stretch out towards preceding jig arm 12.Screw rod body 21 is provided with external screw thread, is provided with internal thread in the screw 8 on the back jig arm 13, and screw rod body 21 and screw 8 are connected by threaded engagement.Wherein, towards an end of preceding jig arm 12 clamping head 22 is installed, handle 23 is installed at the other end of screw rod body 21 at screw rod body 21.The end face that clamping head 22 contacts with welded part is a burnishing surface, and preceding jig arm 12 upper ends are provided with towards the clamping plane 31 of back jig arm 13 1 sides, and this clamping plane 31 is corresponding with the position of clamping head 22, and clamping plane 31 cooperates the clamping welded part with clamping head 22.In the present embodiment, under the prerequisite of the operation room distance of before maintenance, stipulating between jig arm 12 and the back jig arm 13, clamping plane 31 is side-prominent towards back jig arm 13 1 with respect to preceding jig arm 12, so only needing that outstanding clamping plane 31 is processed as the burnishing surface that meets technological requirement gets final product, therefore be suitable for processing more, and saved processing cost.
In the present embodiment, lower fulcrum bar 11 and preceding jig arm 12 are one-body molded, back jig arm 13 is sleeved on the lower fulcrum bar 11, be provided with in the upper end of preceding jig arm 12 towards the side-prominent clamping plane 31 of back jig arm 13 1, and be datum level with this clamping plane 31, screw 8 to being positioned at clamping plane 31 is offered in upper end in back jig arm 13, screw rod body 21 is combined in this screw 8, towards the external part on clamping plane 31 clamping head 22 is installed at screw rod body 21, manual turn is at the handle 23 of screw rod body 21 opposite sides, cooperate by the contraposition of clamping head 22, welded part is clamped with clamping plane 31.In the present embodiment, lower fulcrum bar 11 adopts integrated formed structure with preceding jig arm 12, makes that 12 external force that can carry of preceding jig arm are bigger when preceding jig arm 12 cooperates clamping with back jig arm 13, not fragile or the distortion, also make welded part clamp more solid and reliablely.
When welding procedure, earlier with welded part, steel plate etc. for example, in the space that jig arm 12 and back jig arm 13 form before inserting, welded part leans against on the outstanding clamping plane 31, uses rotary handle 23 manually again, by the position of screw rod body 21 with the amount of the screwing control clamping head 22 of screw 8, utilize clamping head 22 to cooperate with 31 contrapositions of clamping plane at last and clamp welded part, the technical staff can carry out weld job.After weld job was finished, the technical staff only need turn on and tighten screw rod 2, and promptly dismountable welded part is very convenient flexible.
Embodiment two
Fig. 3 is the structural representation of the embodiment two of the utility model binding clasp; Fig. 4 is the schematic perspective view of the back jig arm of the utility model embodiment two.As shown in Figure 3, in the present embodiment, the bottom of back jig arm 13 is provided with trepanning 6, back jig arm 13 is set on the lower fulcrum bar 11 by this trepanning 6, on at least one sidewall of back jig arm 13, be provided with the positioning screw hole 7 that connects to trepanning 6, one location screw 5 is screwed together in this positioning screw hole 7, and the front end of dog screw 5 is resisted against lower fulcrum bar 11, and back jig arm 13 is positioned on the lower fulcrum bar 11.For increasing the constant intensity between back jig arm 13 and the lower fulcrum bar 11, all offer the positioning screw hole 7 that connects to trepanning 6 on the two side of back jig arm 13, can in the positioning screw hole 7 of jig arm 13 both sides, back, all screw in dog screw 5 and be resisted against lower fulcrum bar 11 when mounted, back jig arm 13 is fixed on the lower fulcrum bar 11.
In use, according to the difference of weldment, back jig arm 13 can be slided along lower fulcrum bar 11, when back jig arm 13 slides into suitable position, screwed in place screw 5, the front end of dog screw 5 run through the screw that is provided with on the jig arm 13 of back and hold out against lower fulcrum bar 11, and back jig arm 13 is positioned on the lower fulcrum bar 11.At this moment, rotary handle 23 as required again cooperates with 31 contrapositions of clamping plane by the clamping head on the screw rod body 21 22 to clamp welded part, and the technical staff can carry out weld job.In the present embodiment, back jig arm 13 can be according to the size free adjustment of welded part in the position location of lower fulcrum bar 11, have convenient, flexible, the advantage of wide accommodation.
Other structures, operation principle and the beneficial effect of present embodiment is identical with embodiment's one, does not repeat them here.
Embodiment three
To shown in Figure 8, the difference of present embodiment and embodiment two is, the fixed form of back jig arm 13 and lower fulcrum bar 11 as Fig. 5.Specifically, in embodiments of the invention two, because there is certain clearance in cooperating between trepanning 6 and the lower fulcrum bar 11 of back jig arm 13, back jig arm 13 is easy to generate moving perpendicular to lower fulcrum bar 11 length directions on lower fulcrum bar 11, therefore reduce grip strength, even influenced the normal use of binding clasp.
In the present embodiment, on the length direction of the one or both sides of lower fulcrum bar 11 face, offer locating slot 9, locating slot 9 is corresponding with the position of positioning screw hole 7, locating slot 9 is elongated, one location screw 10 can screw in positioning screw hole 7, extend to lower fulcrum bar 11 1 sides the front portion of dog screw 10, and its front end that stretches out closely is embedded in the locating slot 9.In the present embodiment, closely chimeric by dog screw 10 and locating slot 9, make locating slot 9 can limit the activity of dog screw 10, and then the moving of the length direction of the vertical lower fulcrum bar 11 in the edge of jig arm 13 on lower fulcrum bar 11, restriction back, thereby guarantee the grip strength and normal use of binding clasp.
Other structures, operation principle and the beneficial effect of present embodiment is identical with embodiment's two, does not repeat them here.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art; equivalent variations of under the prerequisite that does not break away from design of the present utility model and principle, having done and modification; for example when being connected of back jig arm 13 and lower fulcrum bar 11; can also adopt a plurality of locating holes are set on lower fulcrum bar 11 along its length; offer through hole on the back jig arm 13; by plug-in mounting bolt in through hole and locating hole,, all should belong to the scope of the utility model protection to back jig arm 13 and modes such as lower fulcrum bar 11 positions.
Claims (9)
1. binding clasp, it is characterized in that: described binding clasp comprises support and tightens screw rod, described support comprise lower fulcrum bar and be vertical at described lower fulcrum bar and be positioned at described lower fulcrum bar the same side preceding jig arm and the back jig arm, the spacing that separates regulation before described between jig arm and the described back jig arm, the top of described back jig arm is provided with the screw of perforation, and the described screw rod of tightening passes the jig arm setting before described of described screw.
2. binding clasp according to claim 1 is characterized in that: described support is horizontal F type, and described preceding jig arm is fixedly arranged on an end of described lower fulcrum bar, forms integrative-structure.
3. binding clasp according to claim 1 is characterized in that: the described screw rod of tightening comprises the screw rod body, at described screw rod body end of jig arm before described clamping head is installed, and at the other end of described screw rod body handle is installed.
4. binding clasp according to claim 3 is characterized in that: the jig arm upper end is provided with the clamping plane before described, and described clamping plane is corresponding with the position of described clamping head.
5. according to each described binding clasp in the claim 1 to 4, it is characterized in that: described back jig arm is weldingly fixed on the described lower fulcrum bar.
6. according to each described binding clasp in the claim 1 to 4, it is characterized in that: the bottom of described back jig arm is provided with trepanning, described back jig arm is set on the described lower fulcrum bar by this trepanning, on at least one sidewall of described back jig arm, be provided with the positioning screw hole that is connected with described trepanning, one location screw is screwed together in described positioning screw hole, and its front end is resisted against described lower fulcrum bar.
7. binding clasp according to claim 6 is characterized in that: offer locating slot on the length direction of described lower fulcrum bar, the front end of described dog screw closely is embedded in the described locating slot.
8. binding clasp according to claim 2 is characterized in that: on described lower fulcrum bar, with described before the relative other end of jig arm offer connecting hole.
9. binding clasp according to claim 1 is characterized in that: described lower fulcrum bar, preceding jig arm and back jig arm are metallic conductor, and the length of described lower fulcrum bar 11 is 220mm, and width is 35mm, and thickness is 35mm; The length of jig arm 12 is 117.5mm before described, and width is 35mm, and thickness is 20mm; The length of described back jig arm 13 is 135mm, and width is 35mm; Thickness is 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920155343XU CN201437191U (en) | 2009-05-20 | 2009-05-20 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920155343XU CN201437191U (en) | 2009-05-20 | 2009-05-20 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201437191U true CN201437191U (en) | 2010-04-14 |
Family
ID=42399172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920155343XU Expired - Fee Related CN201437191U (en) | 2009-05-20 | 2009-05-20 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201437191U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476255A (en) * | 2010-11-26 | 2012-05-30 | 大连船舶重工集团有限公司 | Sectional material assembling mouldboard |
| CN110116782A (en) * | 2019-05-14 | 2019-08-13 | 上海外高桥造船有限公司 | Vertical ladder fixed chuck |
| CN113134658A (en) * | 2021-05-03 | 2021-07-20 | 东北石油大学 | Non-contact electromagnetic ultrasonic auxiliary welding equipment |
-
2009
- 2009-05-20 CN CN200920155343XU patent/CN201437191U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476255A (en) * | 2010-11-26 | 2012-05-30 | 大连船舶重工集团有限公司 | Sectional material assembling mouldboard |
| CN110116782A (en) * | 2019-05-14 | 2019-08-13 | 上海外高桥造船有限公司 | Vertical ladder fixed chuck |
| CN113134658A (en) * | 2021-05-03 | 2021-07-20 | 东北石油大学 | Non-contact electromagnetic ultrasonic auxiliary welding equipment |
| CN113134658B (en) * | 2021-05-03 | 2022-11-11 | 东北石油大学 | Non-contact electromagnetic ultrasonic auxiliary welding equipment |
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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 |
Granted publication date: 20100414 Termination date: 20150520 |
|
| EXPY | Termination of patent right or utility model |