CN201560049U - Self-centering clamp - Google Patents
Self-centering clamp Download PDFInfo
- Publication number
- CN201560049U CN201560049U CN2009202200990U CN200920220099U CN201560049U CN 201560049 U CN201560049 U CN 201560049U CN 2009202200990 U CN2009202200990 U CN 2009202200990U CN 200920220099 U CN200920220099 U CN 200920220099U CN 201560049 U CN201560049 U CN 201560049U
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- China
- Prior art keywords
- bearing pin
- clamp
- leg
- connecting rod
- tong
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- 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 - Lifetime
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Abstract
The utility model discloses a self-centering clamp. The clamp comprises a hoisting mechanism. The lower end of the hoisting mechanism is provided with a guide bracket. The center of the upper part of the bracket is provided with a through groove. An inner clamp leg is arranged in the groove and connected with the hoisting mechanism. A cone section is arranged on the outer face of the bracket. The center line of the inner clamp leg, that of an outer clamp leg of the hoisting mechanism and that of the bracket are arranged in the same plane. The cone section of the bracket is used for automatically centering rollers when hoisted. The end of the inner clamp leg driven by the hoisting mechanism is outwards extended from the groove for supporting the inner wall of the rollers and the end of the outer clamp leg driven by the hoisting mechanism is used for inwards clamping the outer wall of the rollers. The clamp can keep the rollers when hoisted centering in balance, thus parts of the clamp are subject to the tensile stress and the compressive stress instead of the tensional stress.
Description
Technical field
The utility model relates to a kind of device that is used to lift the similar object of volume, but is specifically related to a kind of clamp of automatic centering.
Background technology
In existing commercial production, there are many large-scale reel class objects such as metal sheet class coiled material, paper roll, coil of cable etc. to need often carrying,, need carry with lifting device or hanging device because the weight of these objects is bigger.Shown in Fig. 1～3, in the prior art, for example be used to lift the upright coil clamp of inner support external clamping of coil of strip at metallurgy industry.This clamp is a quadrilateral connecting rod mechanism, and this connecting rod mechanism comprises successively pivotally attached hanger, connecting rod, outer tong arm, clamps leg, the leg that makes up tong outward, and the lower end of pincers leg is lifted with and is used to support the carriage of leg of making up tong outside described.When hanger was sling, the outer pincers leg in this clamp inwardly shrinks held the outer wall of reel class object tightly, and the leg that makes up tong in this clamp expands outwardly the inwall stretching with reel class object simultaneously.But this clamp its connecting rod, outer tong arm, inside and outside pincers leg in actual use easily produces torsional deflection when bearing heavy lift, also can cause thus coil of strip inclination, make clamp be subjected to force unbalance, owing to be subjected to force unbalance very easily to cause damaging of coil of strip part, this will directly influence the product design and the lumber recovery of coil of strip.In addition because the torsional deflection (both often being subjected to the effect of friction stress) that connecting rod, outer tong arm, inside and outside pincers leg often are subjected to, this distortion very easily causes the above-mentioned parts in the clamp crackle to occur, finally cause fracture, cause coil of strip in the air, personnel and equipment are constituted a serious threat from falling.Therefore be necessary existing clamp structure is improved.
The utility model content
The purpose of this utility model is to overcome the defective that exists in the prior art, but the clamp of a kind of automatic centering of design.This clamp can make reel class object keep the centering balance in when lifting, makes that parts only are subjected to tensile stress, compression effort in the clamp, is not subjected to the effect of torsional stress.
For achieving the above object, but the technical solution of the utility model is the clamp of a kind of automatic centering of design, it is characterized in that, described clamp comprises hoisting mechanism, lower end at described hoisting mechanism is equipped with guide carriage, be provided with the groove and/or the cavity of perforation in the center on described guide carriage top, be provided with the leg that makes up tong in described groove and/or cavity, the described leg that makes up tong is connected with described hoisting mechanism; The outside face of described guide carriage is provided with conical surface section, and the line of centers of the described leg that makes up tong and described hoisting mechanism clamp the line of centers of leg at home and abroad and the line of centers of described carriage is positioned at same plane; Conical surface section in the described carriage is used for aligning automatically the reel class object that is lifted, the end of the described leg that makes up tong under the driving of hoisting mechanism in described groove and/or the cavity the protruding inwall that is used for the described reel class of stretching object, the end of described outer pincers leg is used for inwardly clamping the outer wall of reel class object under the driving of hoisting mechanism.
Wherein, described hoisting mechanism comprises: first connecting rod, second connecting rod, hanger, described first connecting rod, second connecting rod is connected by first bearing pin with an end of hanger, described first connecting rod, the other end of second connecting rod is by second bearing pin, croisillon de joint homocinetique is connected with an end of two outer tong arms respectively, the other end of described two outer tong arms is by the 4th bearing pin, the 5th bearing pin is connected with ends of L shaped two outer pincers legs respectively, be respectively arranged with penetrating elongated slot on the pincers leg at L shaped two outside described, two described outside pincers leg elongated slot between the 6th bearing pin is housed, the 7th bearing pin, at described the 6th bearing pin, by fastener or hinge described carriage is housed in the elongated slot between the 7th bearing pin, at described the 6th bearing pin, on the 7th bearing pin with third connecting rod, one end of the 4th connecting rod is connected, described third connecting rod, the other end of the 4th connecting rod respectively with the 8th bearing pin that is arranged on described two outer tong arms middle part, the 9th bearing pin is connected, and an end of the described leg that makes up tong is connected with the elongated slot one or both sides of described outer pincers leg.
Wherein, the contour shape of described outer tong arm is for being similar to the U-shaped polyline shaped, the outer tong arm of described U-shaped polyline shaped, and Open Side Down is connected with an end of described first connecting rod, second connecting rod and L shaped outer pincers leg respectively with its U-shaped.
Wherein, in the outer tong arm of described U-shaped polyline shaped, include a base and two vertical edges, described two vertical edges are divided into long vertical edge and short vertical edge again, the end of described long vertical edge is connected with described first connecting rod, second connecting rod by described second bearing pin, croisillon de joint homocinetique, and the end of described short vertical edge is connected with outer pincers leg by described the 4th bearing pin, the 5th bearing pin.
Wherein, described base is provided with bending, and described the 8th bearing pin, the 9th bearing pin are separately positioned on the flex point place in the described bending.
Wherein, described outer tong arm is provided with slotted hole at the position that the 8th bearing pin, the 9th bearing pin are housed.
Wherein, the connecting portion of an end of the described leg that makes up tong and described outer pincers leg can be according to being regulated by lifting reel class object size.
Wherein, the end of the described leg that makes up tong is a convex-shaped arc surface, and described convex-shaped arc surface is provided with several through holes or pit.
Wherein, the end that is used to clamp reel class object on the described L shaped outer pincers leg is the spill cambered surface, and described spill cambered surface is provided with several through holes or pit.
Wherein, the tapering of described conical surface section is 5 °～15 °.
Advantage of the present utility model and beneficial effect are: because the utility model is arranged to circular conical surface with one section in the carriage outside face, and described carriage is the center that is positioned at clamp, and both the line of centers of the line of centers of carriage and hanger coincided.Clamp is when gripping reel class object, and this conical surface section will be inserted in the reel class object endoporus, and described clamp makes the center of clamp and the center of reel class object coincide under the guiding of described conical surface section.Like this when reel class object by the leg that makes up tong in the clamp after slinging, outside clamp leg and only can be subjected to compression effort or tensile stress, the connecting rod in the clamp also only can be subjected to the effect of tensile stress.Therefore, this clamp structure each parts effect that can not receive torsional stress in use.So both can guarantee that being lifted object did not tilt, can be because of in the process of handling, not come off by the inclination of lifting object yet, or because of by the inclination of lifting object, make parts in the clamp be subjected to the effect of torsional stress for a long time and rupture, cause thus by coming off by the lifting object.This clamp has simple in structure, is easy to processing and manufacturing, and is safe and reliable in the use, easy operating, characteristics such as long service life.
Description of drawings
Fig. 1 is the structural representation of existing clamp;
Fig. 2 is that the master at carriage position in the existing clamp looks scheme drawing;
Fig. 3 is the schematic side view at carriage position in the existing clamp;
But Fig. 4 is the structural representation of the utility model automatic centering clamp;
But Fig. 5 is the master at carriage position in the utility model automatic centering clamp looks scheme drawing;
But Fig. 6 is the schematic side view at carriage position in the utility model automatic centering clamp;
But Fig. 7 is the running condition figure of the utility model automatic centering clamp.
Among the figure: 1, carriage; 2, groove and/or cavity; 3, the leg that makes up tong; 4, conical surface section; 5, clamp leg outward; 6, reel class object; 7, first connecting rod; 8, second connecting rod; 9, hanger; 10, first bearing pin; 11, second bearing pin; 12, croisillon de joint homocinetique; 13, outer tong arm; 14, the 4th bearing pin; 15, the 5th bearing pin; 16, elongated slot; 17, the 6th bearing pin; 18, the 7th bearing pin; 19, third connecting rod; 20, the 4th connecting rod; 21, the 8th bearing pin; 22, the 9th bearing pin; 23, base; 24, long vertical edge; 25, lack vertical edge; 26, bending; 27, slotted hole; 28, through hole or pit.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is further described.Following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection domain of the present utility model with this.
Shown in Fig. 4～7, the concrete technical scheme of implementing of the utility model is:
But a kind of clamp of automatic centering, this clamp comprises hoisting mechanism, the carriage 1 that is used to lead is installed in the lower end of described hoisting mechanism, be provided with the groove and/or the cavity 2 of perforation in the center on described carriage 1 top, 2 are provided with the leg 3 that makes up tong in described groove and/or cavity, the described leg 3 that makes up tong can be with respect to 2 fore and aft motion in described groove and/or the cavity, and an end of the described leg 3 that makes up tong is connected with described hoisting mechanism; The outside face of described guide carriage 1 is provided with conical surface section 4, and wherein, the line of centers of the described leg 3 that makes up tong and described hoisting mechanism clamp the line of centers of leg 5 at home and abroad and the line of centers of described carriage 1 is positioned at same plane; Conical surface section 4 in the described carriage 1 is used for aligning automatically the center of the reel class object 6 that is lifted, the end of the described leg 3 that makes up tong can be from the protruding inwall that is used for the described reel class of stretching object 6 in described groove and/or the cavity 2 under the driving of hoisting mechanism, and the end of described outer pincers leg 5 is used for inwardly clamping the outer wall of reel class object 6 under the driving of hoisting mechanism.
On the basis of embodiment 1, the preferable technical scheme of the utility model is: described hoisting mechanism comprises: first connecting rod 7, second connecting rod 8, hanger 9, described first connecting rod 7, second connecting rod 8 is connected by first bearing pin 10 with an end of hanger 9, described first connecting rod 7, the other end of second connecting rod 8 is by second bearing pin 11, croisillon de joint homocinetique 12 is connected with an end of two outer tong arms 13 respectively, the other end of described two outer tong arms 13 is by the 4th bearing pin 14, the 5th bearing pin 15 is connected with ends of L shaped two outer pincers leg 5 minor faces respectively, be respectively arranged with penetrating elongated slot 16 on the long limit of pincers leg 5 at L shaped two outside described, two described outside pincers leg 5 elongated slot 16 between the dress (wearing) the 6th bearing pin 17 is arranged, the 7th bearing pin 18 is at described the 6th bearing pin 17, by fastener or hinge described carriage 1 is housed in the elongated slot 16 between the 7th bearing pin 18.This carriage 1 remains position placed in the middle in described elongated slot 16, the described line of centers of carriage 1 and the line of centers of described hanger 9 of being meant between two parties coincides.Also comprise third connecting rod 19 and the 4th connecting rod 20 in the described hoisting mechanism, one end of described third connecting rod 19 and the 4th connecting rod 20 is connected on described the 6th bearing pin 17, the 7th bearing pin 18, the other end of described third connecting rod 19, the 4th connecting rod 20 is connected with the 8th bearing pin 21, the 9th bearing pin 22 that are arranged on described two outer tong arm 13 middle parts respectively, and an end of the described leg 3 that makes up tong is connected with elongated slot 16 one or both sides of described outer pincers leg 5.Concrete connection mode can adopt, the long limit of clamping leg 5 outside the L shaped left side is provided with elongated slot 16, be installed in the one or both sides of described elongated slot 16 with being arranged on right side in the described carriage 1 leg 3 that makes up tong, when the outer pincers leg 5 in left side during to right translation, the leg 3 that makes up tong that is positioned at the carriage right side is also to right translation, and clamps leg 5, right side outside the above-mentioned left side and makes up tong that to clamp the make up tong translation direction of leg 3 of leg 5, left side outside the right sides that leg 3 oppositely installs opposite.Formed outer pincers leg thus and inwardly clamped reel class object, the structure of the outside stretching reel of the leg that makes up tong class object.
On the basis of embodiment 2, the preferable technical scheme of the utility model also comprises: the contour shape of described outer tong arm 13 is made to become being similar to the U-shaped polyline shaped, the outer tong arm 13 of described U-shaped polyline shaped, divide under the direction with its U-shaped opening, then, be not connected with minor face one end of described first connecting rod 7, second connecting rod 8 and two described L shaped outer pincers legs 5.
On the basis of embodiment 3, the preferable technical scheme of the utility model also comprises, in the outer tong arm 15 of described U-shaped polyline shaped, include a base 23 and two vertical edges, described two vertical edges are divided into long vertical edge 24 and short vertical edge 25 again, the end of described long vertical edge 25 is connected with described first connecting rod 7, second connecting rod 8 by described second bearing pin 11, croisillon de joint homocinetique 12, and the end of described short vertical edge 25 is connected with L shaped outer end of clamping the minor face of leg 5 respectively by described the 4th bearing pin 14, the 5th bearing pin 15.
On the basis of embodiment 4, preferable technical scheme of the present utility model comprises that also described base 23 is provided with bending 26, and described the 8th bearing pin 21, the 9th bearing pin 22 are separately positioned on the flex point place in the described bending 26.
On the basis of embodiment 5, preferable technical scheme of the present utility model comprises that also described outer tong arm 13 is provided with slotted hole 27 at the position that the 8th bearing pin 21, the 9th bearing pin 11 are housed, and this slotted hole is used to guarantee that the long limit of L shaped outer pincers leg 5 remains on the position of level.
On the basis of embodiment 2, preferable technical scheme of the present utility model also comprises, an end of the described leg 3 that makes up tong and the connecting portion of described outer pincers leg 5 can be made into and can carry out any adjustment structure according to being lifted reel class object 6 sizes.
On the basis of embodiment 7, preferable technical scheme of the present utility model also comprises, described end of making up tong leg 3 is designed to convex-shaped arc surface, and described convex-shaped arc surface is provided with several through holes or pit 28.
On the basis of embodiment 7, preferable technical scheme of the present utility model also comprises, the end that is used to clamp reel class object 6 on the described L shaped outer pincers leg 5 is the spill cambered surface, and described spill cambered surface is provided with several through holes or pit 28.
On each basis of embodiment 1 to 9, preferable technical scheme of the present utility model also comprises, the tapering of described conical surface section 4 can be set to 5 °～15 °.
Principle of work of the present utility model is:
When the lifting of the clamp in hoisting mechanism reel class object, clamp carriage 1 will enter in the endoporus of reel class object 6, when beginning to be directed to the maximum gauge end of conical section 6 along with the minimum diameter end of the conical section 6 that is used to lead, carriage 1 just in time matches with the diameter of bore of tube class object 6.Clamp by export-oriented tube class object 6 inside with outer pincers leg 5 through the leg 3 outside stretchings that make up tong in the carriage 1, just tube class object 6 can be lifted evenly, and tube class object 6 can be moved on another station.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. but the clamp of an automatic centering, it is characterized in that, described clamp comprises hoisting mechanism, lower end at described hoisting mechanism is equipped with guide carriage, be provided with the groove and/or the cavity of perforation in the center on described guide carriage top, be provided with the leg that makes up tong in described groove and/or cavity, the described leg that makes up tong is connected with described hoisting mechanism; The outside face of described guide carriage is provided with conical surface section, and the line of centers of the described leg that makes up tong and described hoisting mechanism clamp the line of centers of leg at home and abroad and the line of centers of described carriage is positioned at same plane; Conical surface section in the described carriage is used for aligning automatically the reel class object that is lifted, the end of the described leg that makes up tong under the driving of hoisting mechanism in described groove and/or the cavity the protruding inwall that is used for the described reel class of stretching object, the end of described outer pincers leg is used for inwardly clamping the outer wall of reel class object under the driving of hoisting mechanism.
2. but the clamp of automatic centering as claimed in claim 1, it is characterized in that, described hoisting mechanism comprises: first connecting rod, second connecting rod, hanger, described first connecting rod, second connecting rod is connected by first bearing pin with an end of hanger, described first connecting rod, the other end of second connecting rod is by second bearing pin, croisillon de joint homocinetique is connected with an end of two outer tong arms respectively, the other end of described two outer tong arms is by the 4th bearing pin, the 5th bearing pin is connected with ends of L shaped two outer pincers legs respectively, be respectively arranged with penetrating elongated slot on the pincers leg at L shaped two outside described, two described outside pincers leg elongated slot between the 6th bearing pin is housed, the 7th bearing pin, at described the 6th bearing pin, by fastener or hinge described carriage is housed in the elongated slot between the 7th bearing pin, at described the 6th bearing pin, on the 7th bearing pin with third connecting rod, one end of the 4th connecting rod is connected, described third connecting rod, the other end of the 4th connecting rod respectively with the 8th bearing pin that is arranged on described two outer tong arms middle part, the 9th bearing pin is connected, and an end of the described leg that makes up tong is connected with the elongated slot one or both sides of described outer pincers leg.
3. but the clamp of automatic centering as claimed in claim 2, it is characterized in that, the contour shape of described outer tong arm is for being similar to the U-shaped polyline shaped, the outer tong arm of described U-shaped polyline shaped, and Open Side Down is connected with an end of described first connecting rod, second connecting rod and L shaped outer pincers leg respectively with its U-shaped.
4. but the clamp of automatic centering as claimed in claim 3, it is characterized in that, in the outer tong arm of described U-shaped polyline shaped, include a base and two vertical edges, described two vertical edges are divided into long vertical edge and short vertical edge again, the end of described long vertical edge is connected with described first connecting rod, second connecting rod by described second bearing pin, croisillon de joint homocinetique, and the end of described short vertical edge is connected with outer pincers leg by described the 4th bearing pin, the 5th bearing pin.
5. but the clamp of automatic centering as claimed in claim 4 is characterized in that, described base is provided with bending, and described the 8th bearing pin, the 9th bearing pin are separately positioned on the flex point place in the described bending.
6. but the clamp of automatic centering as claimed in claim 5 is characterized in that, described outer tong arm is provided with slotted hole at the position that the 8th bearing pin, the 9th bearing pin are housed.
7. but the clamp of automatic centering as claimed in claim 2 is characterized in that, the connecting portion of an end of the described leg that makes up tong and described outer pincers leg can be according to being regulated by lifting reel class object size.
8. but the clamp of automatic centering as claimed in claim 7 is characterized in that, the end of the described leg that makes up tong is a convex-shaped arc surface, and described convex-shaped arc surface is provided with several through holes or pit.
9. but the clamp of automatic centering as claimed in claim 7 is characterized in that, the end that is used to clamp reel class object on the described L shaped outer pincers leg is the spill cambered surface, and described spill cambered surface is provided with several through holes or pit.
10. but as the clamp of each described automatic centering in the claim 1 to 9, it is characterized in that the tapering of described conical surface section is 5 °～15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202200990U CN201560049U (en) | 2009-10-26 | 2009-10-26 | Self-centering clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202200990U CN201560049U (en) | 2009-10-26 | 2009-10-26 | Self-centering clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201560049U true CN201560049U (en) | 2010-08-25 |
Family
ID=42625196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202200990U Expired - Lifetime CN201560049U (en) | 2009-10-26 | 2009-10-26 | Self-centering clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201560049U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670372A (en) * | 2017-01-09 | 2017-05-17 | 天津鹏鹄科技有限公司 | Automatic centering device for clamp |
| CN106956924A (en) * | 2017-03-17 | 2017-07-18 | 苏州和丰工业设备有限公司 | Coiled material is taken mechanism |
| CN107500116A (en) * | 2017-10-09 | 2017-12-22 | 张家港市盛达冶金吊具制造有限公司 | Integrated suspender for coil annealing |
| CN108726196A (en) * | 2018-06-21 | 2018-11-02 | 陕西法士特齿轮有限责任公司 | A kind of sheet gear fuel manipulator crane structure |
| CN110732865A (en) * | 2018-07-20 | 2020-01-31 | 富鼎电子科技(嘉善)有限公司 | Assembling machine |
| CN113845017A (en) * | 2021-08-31 | 2021-12-28 | 安徽国风塑业股份有限公司 | A grabbing device for promoting film is rolled up |
-
2009
- 2009-10-26 CN CN2009202200990U patent/CN201560049U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670372A (en) * | 2017-01-09 | 2017-05-17 | 天津鹏鹄科技有限公司 | Automatic centering device for clamp |
| CN106670372B (en) * | 2017-01-09 | 2018-09-28 | 天津鹏鹄科技有限公司 | A kind of clamp automatic centring device |
| CN106956924A (en) * | 2017-03-17 | 2017-07-18 | 苏州和丰工业设备有限公司 | Coiled material is taken mechanism |
| CN107500116A (en) * | 2017-10-09 | 2017-12-22 | 张家港市盛达冶金吊具制造有限公司 | Integrated suspender for coil annealing |
| CN107500116B (en) * | 2017-10-09 | 2019-02-26 | 张家港市盛达冶金吊具制造有限公司 | Integrated suspender for coil annealing |
| CN108726196A (en) * | 2018-06-21 | 2018-11-02 | 陕西法士特齿轮有限责任公司 | A kind of sheet gear fuel manipulator crane structure |
| CN110732865A (en) * | 2018-07-20 | 2020-01-31 | 富鼎电子科技(嘉善)有限公司 | Assembling machine |
| CN110732865B (en) * | 2018-07-20 | 2021-11-02 | 富鼎电子科技(嘉善)有限公司 | Assembling machine |
| CN113845017A (en) * | 2021-08-31 | 2021-12-28 | 安徽国风塑业股份有限公司 | A grabbing device for promoting film is rolled up |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |
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| CX01 | Expiry of patent term |