CN217577239U

CN217577239U - Clamping device

Info

Publication number: CN217577239U
Application number: CN202123322636.2U
Authority: CN
Inventors: 王建明; 冀建平
Original assignee: Beijing Vocational College Of Economics And Management Beijing Institute Of Management
Current assignee: Beijing Vocational College Of Economics And Management Beijing Institute Of Management
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-10-14
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a clamping device, which comprises a suspender, a first connecting rod rotatably arranged at the bottom of the suspender, a first connecting sleeve rotatably arranged at the bottom of the suspender, a second connecting sleeve rotatably arranged at the other end of the first connecting rod and a second connecting rod rotatably arranged at the bottom of the first connecting sleeve; the end part of the second connecting sleeve, which is far away from the first connecting rod, is in running fit with the end part of the second connecting rod, which is far away from the first connecting sleeve; the end part of the second connecting sleeve far away from the first connecting rod and the end part of the second connecting rod far away from the first connecting sleeve are both fixedly provided with connecting pieces, and the bottom of each connecting piece is provided with a clamping unit. The utility model relates to a simply, the cost is lower to convenient to use.

Description

Clamping device

Technical Field

The utility model belongs to the technical field of clamping device is relevant, particularly, relate to a clamping device.

Background

Before the modern society, people usually carry some goods through both hands, and carry heavier goods through both hands, cause the damage of human hand easily, moreover, it is relatively time-consuming and laborious.

With the progress of society, some tools for transporting goods are invented, but when goods are transported, corresponding transporting tools are not available, or due to inconsistent shapes of the goods, a single transporting tool is inconvenient to use, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a new clamping device, the technical problem that solve be the inconvenient and higher problem of cost of current transport anchor clamps centre gripping.

In view of the above, the present invention provides a new clamping device, which includes a suspension rod, a first connecting rod rotatably disposed at the bottom of the suspension rod, a first connecting sleeve rotatably disposed at the bottom of the suspension rod, a second connecting sleeve rotatably disposed at the other end of the first connecting rod, and a second connecting rod rotatably disposed at the bottom of the first connecting sleeve;

the end part of the second connecting sleeve, which is far away from the first connecting rod, is in running fit with the end part of the second connecting rod, which is far away from the first connecting sleeve;

the end part of the second connecting sleeve, which is far away from the first connecting rod, and the end part of the second connecting rod, which is far away from the first connecting sleeve, are fixedly provided with connecting pieces, and the bottom of each connecting piece is provided with a clamping unit.

In the above technical solution, optionally, the suspension rod further includes a connection ring fixedly disposed on the top of the suspension rod.

In the above technical solution, optionally, the clamping unit includes a bolt and a clamping member sleeved on the bolt with a rotating sleeve, a threaded end of the bolt penetrates through the bottom of the clamping member and penetrates out of the top of the clamping member, and a threaded end of the bolt penetrates through the bottom of the connecting member and is in threaded connection with the bottom of the connecting member.

In the above technical solution, optionally, a plane is disposed on an inner side of the clamping member, and an arc surface is disposed on an outer side of the clamping member.

In the above technical solution, optionally, the first connecting rod and the suspension rod, the first connecting sleeve and the second connecting rod, the first connecting rod and the second connecting sleeve, and the second connecting rod and the second connecting sleeve are rotatably connected through a rotating shaft.

In the above technical solution, optionally, the two ends of the rotating shaft are inserted with stop levers.

In the above technical solution, optionally, the connecting device further comprises a tension spring fixedly arranged on the side surface of the second connecting rod, a threaded sleeve rotatably arranged on the side surface of the second connecting sleeve, and a screw rod arranged between the tension spring and the threaded sleeve, wherein one end of the screw rod is fixedly connected with the tension spring, and the other end of the screw rod is in threaded connection with the threaded sleeve.

Compared with the prior art, the utility model has the advantages of:

1. through setting up first connecting rod, first adapter sleeve, second adapter sleeve and second connecting rod, when mentioning the jib, through first connecting rod, second connecting rod, first adapter sleeve and second adapter sleeve, will make progress the power of mentioning, the power that the swivel closed to the centre for the centre gripping unit to two centre gripping units can be closed all the time, form a confined ring body, thereby can mention a large amount of circular objects, carry, through the utility model discloses just can accomplish the transport of heavier goods, the utility model discloses simple structure, the cost is with low costs under the circumstances of guaranteeing self intensity.

2. Through setting up the go-between, be convenient for with the utility model discloses place on the object that has the hook, for instance portal crane etc..

3. The inner side of the clamping piece is set to be a plane, the outer side of the clamping piece is set to be an arc surface, the clamping piece can rotate, the inner sides of the two clamping pieces are switched to be the plane or the arc surface at any time, and therefore when the two clamping units are closed, a closed circular ring can be formed, circular strip-shaped objects can be carried, a flat clamping surface can be formed, and goods with flat surfaces can be clamped.

4. All rotating structures are connected through the rotating shaft, and the stop levers are arranged at the two ends of the rotating shaft, so that the rotating shaft can be placed to fall off.

5. Through setting up extension spring, thread bush and screw rod, twist and move the screw rod and can change the distance between thread bush and the screw rod, change the maximum distance between second connecting rod and the second adapter sleeve promptly, change the biggest opening and shutting distance between the holder promptly, can be directed against the goods of equidimension not, select the opening and shutting distance of suitable holder, be convenient for press from both sides the goods.

Drawings

Fig. 1 shows a schematic structural view of the present invention;

fig. 2 shows a schematic view of the connection structure among the second connection sleeve, the screw rod, the thread bushing, the tension spring and the second connection rod of the present invention;

fig. 3 shows an explosion structure diagram of the clamping unit, the second connecting sleeve and the second connecting rod of the present invention;

fig. 4 shows a schematic view of the connection structure of the tension spring, the threaded sleeve and the screw rod of the present invention;

fig. 5 shows a schematic view of the connection structure of the rotating shaft and the stop lever of the present invention.

In the figure, 1, a suspender; 2. a first link; 3. a first connecting sleeve; 4. a second connecting sleeve; 5. a second link; 6. a clamping unit; 7. a connecting ring; 8. a rotating shaft; 9. a stop lever; 10. a connecting member; 11. a clamping member; 12. a bolt; 13. a plane; 14. a cambered surface; 15. a tension spring; 16. a threaded sleeve; 17. a screw.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

The following description refers to fig. 1 to 5.

A clamping device, comprising: the device comprises a suspender 1, a first connecting rod 2 rotatably arranged at the bottom of the suspender 1, a first connecting sleeve 3 rotatably arranged at the bottom of the suspender 1, a second connecting sleeve 4 rotatably arranged at the other end of the first connecting rod 2 and a second connecting rod 5 rotatably arranged at the bottom of the first connecting sleeve 3;

the end part of the second connecting sleeve 4 far away from the first connecting rod 2 is in running fit with the end part of the second connecting rod 5 far away from the first connecting sleeve 3;

the end part of the second connecting sleeve 4 far away from the first connecting rod 2 and the end part of the second connecting rod 5 far away from the first connecting sleeve 3 are both fixedly provided with connecting pieces 10, and the bottom of each connecting piece 10 is provided with a clamping unit 6.

Select suitable model, will the utility model discloses a device welding that jib 1 and portal crane etc. can play to hoist, welds two usually.

When hoisting the banding object, the round steel is explained as an example here, place clamping unit 6 in the both sides of one or many round steels, upwards mention jib 1 again, jib 1 upwards stimulates first connecting rod 2 and first adapter sleeve 3, and first connecting rod 2 draws close to the centre with the lower extreme of first adapter sleeve 3, clamping unit 6 and the centre of second adapter sleeve 4 below clamping unit 6 of first connecting rod 2 and first adapter sleeve 3 pulling second connecting rod 5 below draw close to the centre, thereby clip the round steel, two clamping unit 6 draw close to the centre and with the round steel butt after, can restrict the round steel between two clamping unit 6, thereby hoist the round steel, carry the round steel to other positions again.

Further, the centre gripping unit 6 includes bolt 12 and establishes with rotating the cover holder 11 on the bolt 12, the screw thread end of bolt 12 passes holder 11 bottom, and wears out holder 11 top, the screw thread end of bolt 12 penetrates connecting piece 10 bottom, and with connecting piece 10 bottom threaded connection, the inboard of holder 11 is provided with plane 13, the holder 11 outside is provided with cambered surface 14.

When the surface of the goods is relatively flat, the bolt 12 is loosened, the clamping pieces 11 are rotated to enable the planes 13 of the two clamping pieces 11 to be oppositely arranged, and then the bolt 12 is screwed down, so that the goods with relatively flat surfaces can be clamped.

Optionally, a connection ring 7 is further included, which is fixedly arranged on top of the suspension rod 1.

After the connecting ring 7 is arranged, the suspender 1 is more convenient to be hung with devices such as a gantry crane and the like, and can be detached conveniently.

Optionally, the first connecting rod 2 and the hanger rod 1, the first connecting sleeve 3 and the second connecting rod 5, the first connecting rod 2 and the second connecting sleeve 4, and the second connecting rod 5 and the second connecting sleeve 4 are rotatably connected through a rotating shaft 8, and two ends of the rotating shaft 8 are respectively inserted with a stop lever 9.

Rotation mode through pivot 8 sets up the utility model provides a rotation relation department, connected mode is simple, accords with the utility model discloses simple structure's design theory to set up pin 9 at pivot 8 both ends, can place pivot 8 and drop.

Further, still including fixed setting in the extension spring 15 of second connecting rod 5 side, rotate the setting and be in the thread bush 16 of second adapter sleeve 4 side and setting are in extension spring 15 with screw rod 17 between the thread bush 16, screw rod 17 one end with extension spring 15 fixed connection, the other end with thread bush 16 threaded connection.

The screw 17 is rotated to change the distance between the screw 17 and the threaded sleeve 16, so that the opening and closing distance between the second connecting sleeve 4 and the second connecting rod 5, namely the maximum opening and closing distance between the two clamping pieces 11 can be changed, and the maximum opening and closing distance between the two clamping pieces 11 can be adjusted according to the sizes of different goods.

Finally, it should be noted that the above-mentioned embodiments should not be construed as limiting the scope of the invention, which is defined in the claims, and the description can be used for interpreting the claims.

Claims

1. A clamping device is characterized by comprising a suspender (1), a first connecting rod (2) rotatably arranged at the bottom of the suspender (1), a first connecting sleeve (3) rotatably arranged at the bottom of the suspender (1), a second connecting sleeve (4) rotatably arranged at the other end of the first connecting rod (2) and a second connecting rod (5) rotatably arranged at the bottom of the first connecting sleeve (3);

the end part of the second connecting sleeve (4) far away from the first connecting rod (2) is in running fit with the end part of the second connecting rod (5) far away from the first connecting sleeve (3);

the end part of the second connecting sleeve (4) far away from the first connecting rod (2) and the end part of the second connecting rod (5) far away from the first connecting sleeve (3) are fixedly provided with connecting pieces (10), and the bottom of each connecting piece (10) is provided with a clamping unit (6).

2. Clamping device according to claim 1, further comprising a connection ring (7) fixedly arranged on top of the boom (1).

3. The clamping device according to claim 1, characterized in that the clamping unit (6) comprises a bolt (12) and a clamping piece (11) which is sleeved on the bolt (12) in a rotating manner, a threaded end of the bolt (12) penetrates through the bottom of the clamping piece (11) and penetrates out of the top of the clamping piece (11), and a threaded end of the bolt (12) penetrates into the bottom of the connecting piece (10) and is in threaded connection with the bottom of the connecting piece (10).

4. Clamping device according to claim 3, characterized in that the inner side of the clamping member (11) is provided with a flat surface (13) and the outer side of the clamping member (11) is provided with a curved surface (14).

5. Clamping device according to claim 1, characterized in that the connection between the first link (2) and the boom (1), between the first connecting sleeve (3) and the second link (5), between the first link (2) and the second connecting sleeve (4) and between the second link (5) and the second connecting sleeve (4) is rotational connected by means of a rotation shaft (8).

6. A holding device according to claim 5, characterized in that the two ends of the rotating shaft (8) are plugged with stop levers (9).

7. The clamping device as recited in claim 5, further comprising a tension spring (15) fixedly disposed on a side surface of the second connecting rod (5), a threaded sleeve (16) rotatably disposed on a side surface of the second connecting sleeve (4), and a screw rod (17) disposed between the tension spring (15) and the threaded sleeve (16), wherein one end of the screw rod (17) is fixedly connected with the tension spring (15), and the other end is in threaded connection with the threaded sleeve (16).