CN216503553U

CN216503553U - Clamping device convenient to adjust and used for machining tower crane lifting hook

Info

Publication number: CN216503553U
Application number: CN202122735138.4U
Authority: CN
Inventors: 王德兵
Original assignee: Anhui Jiuchi Construction Machinery Co ltd
Current assignee: Anhui Jiuchi Construction Machinery Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-05-13
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a clamping device convenient to adjust for machining a tower crane hook, which comprises: the workstation, the spout has transversely been seted up at the top surface middle part of workstation, the top surface of workstation and the both sides that are located the spout set up respectively perpendicular with the assistance groove of spout, it is connected with the assistance driving wheel to rotate respectively in the assistance groove, the top of assistance driving wheel extends to outside the assistance groove. According to the utility model, the plurality of auxiliary wheels are arranged on the top surface of the workbench, and the auxiliary wheels rotate in the process of pushing the lifting hook to move, so that the effect of auxiliary movement is achieved, the phenomenon that the lifting hook rubs with the workbench surface is avoided, and the quality of the finished product is ensured. Splint are connected respectively to the both sides of clamp splice, and splint play the effect of supplementary centre gripping, set up the plane volute spiral spring on the fixed axle of splint simultaneously, can rotate the back at splint and give the splint clamping-force, increase the stability to the lifting hook centre gripping.

Description

Clamping device convenient to adjust and used for machining tower crane lifting hook

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a clamping device convenient to adjust and used for machining a tower crane hook.

Background

The tower crane is a crane device which is commonly used in construction sites and is called a tower crane, and is used for hanging construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by using extension (height) of one section by one section (called a standard section for short), the tower crane is an essential device in the construction sites, and a device which is used for preventing a workpiece from generating displacement or vibration in a machining process in a clamp is called a clamping device.

At present, the existing clamping device has the following problems when clamping a lifting hook: the lifting hook is clamped by mostly adopting two clamping blocks, the clamping blocks on two sides move simultaneously, the lifting hook is pushed to the central position of the workbench to be clamped in the moving process, the clamping stability is poor, the lifting hook and the workbench surface generate friction, abrasion is caused, and the quality of products is influenced. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping device for machining a tower crane lifting hook, which is convenient to adjust, and solves the problems that two clamping blocks are mostly adopted to clamp the lifting hook, the clamping blocks on two sides move simultaneously, the lifting hook is pushed to the central position of a workbench to be clamped in the moving process, the clamping stability is poor, the lifting hook and the workbench surface generate friction, abrasion is caused, and the product quality is influenced, and the practical use requirements are met.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a convenient tower machine clamping device for lifting hook processing who adjusts, includes: the middle part of the top surface of the workbench is transversely provided with a sliding groove, auxiliary grooves perpendicular to the sliding groove are respectively formed in the top surface of the workbench and positioned on two sides of the sliding groove, auxiliary wheels are respectively and rotatably connected in the auxiliary grooves, and the tops of the auxiliary wheels extend out of the auxiliary grooves;

the clamping blocks are symmetrically arranged on two sides of the workbench, rubber pads are arranged on opposite surfaces of the two clamping blocks, clamping plates are rotatably connected to two sides of each clamping block respectively, grooves are formed in two sides of the bottom surface of each clamping block respectively, a fixing column is arranged in the middle of the bottom surface of each clamping block, the tail end of each fixing column penetrates through a sliding groove and extends to the inside of the workbench, and a driving mechanism is arranged inside the workbench.

As a preferred embodiment of the present invention, two side walls of the clamping block are respectively provided with an installation groove, an end of the clamping plate extends into the installation groove, two sides of the clamping plate are respectively provided with a fixing shaft, and the fixing shafts are rotatably connected with an inner wall of the installation groove.

As a preferred embodiment of the present invention, the surface of the fixed shaft and the positions close to the two ends are respectively provided with a flat spiral spring, the inner end of the flat spiral spring is fixedly connected with the fixed shaft, and the outer end of the flat spiral spring is connected with the side wall of the mounting groove.

As a preferred embodiment of the present invention, the driving mechanism includes a motor, an adjusting lever and a threaded sleeve, wherein the surface of the adjusting lever is symmetrically provided with a threaded structure from the middle portion, the threaded sleeve is provided with two threaded sleeves and is respectively in threaded connection with the adjusting lever, and the top surface of the threaded sleeve is connected with the lower end of the fixing column.

As a preferred embodiment of the present invention, the motor is installed at one side of the workbench, the adjusting lever is rotatably connected to the workbench, and one end of the adjusting lever extends out of the workbench and is connected to a power output end of the motor.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, the plurality of auxiliary wheels are arranged on the top surface of the workbench, and the auxiliary wheels rotate in the process of pushing the lifting hook to move, so that the effect of auxiliary movement is achieved, the phenomenon that the lifting hook rubs with the workbench surface is avoided, and the quality of the finished product is ensured.

(2) According to the utility model, the two sides of the clamping block are respectively connected with the clamping plates, the clamping plates play a role in auxiliary clamping, and meanwhile, the plane volute springs are arranged on the fixed shafts of the clamping plates, so that clamping force can be applied to the clamping plates after the clamping plates rotate, and the stability of clamping the lifting hooks is improved.

Drawings

FIG. 1 is a structural diagram of a clamping device for machining a tower crane hook, which is convenient to adjust, of the utility model;

FIG. 2 is a view of the connection structure of the clamping block and the clamping plate according to the present invention;

fig. 3 is an internal structure view of the table according to the present invention.

In the figure, 1, a workbench; 2. an auxiliary wheel; 3. an auxiliary groove; 4. a splint; 5. a clamping block; 6. a rubber pad; 7. a groove; 8. a chute; 9. a fixed shaft; 10. a flat spiral spring; 11. mounting grooves; 12. a threaded bushing; 13. adjusting a rod; 14. a thread structure; 15. fixing a column; 16. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a convenient tower machine clamping device for lifting hook processing who adjusts, includes: the middle of the top surface of the workbench 1 is transversely provided with a sliding chute 8, the top surface of the workbench 1 and two sides of the sliding chute 8 are respectively provided with an auxiliary groove 3 vertical to the sliding chute 8, the auxiliary grooves 3 are respectively and rotatably connected with auxiliary wheels 2, the tops of the auxiliary wheels 2 extend out of the auxiliary grooves 3, and the auxiliary wheels 2 play a role in auxiliary movement and avoid friction between a lifting hook and the table surface of the workbench 1;

clamp splice 5 is installed to the bilateral symmetry of workstation 1, all install rubber pad 6 on the opposite face of two clamp splices 5, play buffering and guard action, avoid clamp splice 5 and lifting hook friction, the both sides of clamp splice 5 rotate respectively and are connected with splint 4, the bottom surface both sides of clamp splice 5 set up recess 7 respectively, the bottom surface mid-mounting of clamp splice 5 has fixed column 15, the end of fixed column 15 passes spout 8 and extends to inside the workstation 1, the internally mounted of workstation 1 has actuating mechanism, drive clamp splice 5 through actuating mechanism.

In a further improved mode, the two side walls of the clamping block 5 are respectively provided with a mounting groove 11, the end portion of the clamping plate 4 extends into the mounting groove 11, the two sides of the clamping plate 4 are respectively provided with a fixing shaft 9, the fixing shaft 9 is rotatably connected with the inner wall of the mounting groove 11, and the clamping plate 4 rotates by taking the fixing shaft 9 as a center.

In a further improvement, the surface of the fixed shaft 9 and the positions close to the two ends are respectively provided with a flat spiral spring 10, the inner end of the flat spiral spring 10 is fixedly connected with the fixed shaft 9, the outer end of the flat spiral spring is connected with the side wall of the mounting groove 11, and the flat spiral spring 10 provides clamping force for the clamping plate 4.

In a further improved mode, the driving mechanism comprises a motor 16, an adjusting rod 13 and threaded sleeves 12, threaded structures 14 are symmetrically arranged on the surface of the adjusting rod 13 from the middle, the threaded sleeves 12 are arranged in two and are respectively in threaded connection with the adjusting rod 13, the top surfaces of the threaded sleeves 12 are connected with the lower ends of fixing columns 15, and after the screw rod rotates, the two threaded sleeves 12 move towards the middle or two sides simultaneously.

Specifically, the motor 16 is installed at one side of the workbench 1, the adjusting rod 13 is rotatably connected with the workbench 1, and one end of the adjusting rod 13 extends out of the workbench 1 and is connected with the power output end of the motor 16, and power is provided by the motor 16.

When the lifting hook is used, the lifting hook is placed on the workbench 1, then the motor 16 is started, the motor 16 rotates to simultaneously drive the two clamping blocks 5 to move towards the middle part and push the lifting hook, the auxiliary wheel 2 plays a role in auxiliary movement at the bottom of the lifting hook, the clamping plate 4 is affected by the irregular shape of the surface of the lifting hook to be unfolded and to be wound up the spiral spring 10 in the process of clamping the lifting hook, the clamping stability is improved, the clamping blocks 5 are retracted after clamping is completed, and the clamping plate 4 is reset under the action of the spiral spring 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a convenient tower machine clamping device for lifting hook processing who adjusts, includes: workstation (1), its characterized in that: the middle of the top surface of the workbench (1) is transversely provided with a sliding groove (8), auxiliary moving grooves (3) vertical to the sliding groove (8) are respectively formed in the top surface of the workbench (1) and positioned on two sides of the sliding groove (8), auxiliary wheels (2) are respectively and rotatably connected in the auxiliary moving grooves (3), and the tops of the auxiliary wheels (2) extend out of the auxiliary moving grooves (3);

clamping blocks (5) are symmetrically installed on two sides of the workbench (1), rubber pads (6) are installed on opposite surfaces of the two clamping blocks (5), clamping plates (4) are respectively connected to two sides of the clamping blocks (5) in a rotating mode, grooves (7) are respectively formed in two sides of the bottom surface of each clamping block (5), fixing columns (15) are installed in the middle of the bottom surfaces of the clamping blocks (5), the tail ends of the fixing columns (15) penetrate through sliding grooves (8) and extend to the interior of the workbench (1), and driving mechanisms are installed inside the workbench (1).

2. The clamping device convenient to adjust for machining of the tower crane hook as claimed in claim 1, and is characterized in that: mounting groove (11) have been seted up on the both sides wall of clamp splice (5) respectively, the tip of splint (4) extends to in mounting groove (11), and the splint both sides are provided with fixed axle (9) respectively, fixed axle (9) are connected with mounting groove (11) inner wall rotation.

3. The clamping device convenient to adjust for machining of the tower crane hook as claimed in claim 2, and is characterized in that: the surface of the fixed shaft (9) and the positions close to the two ends are respectively provided with a plane volute spiral spring (10), the inner end of the plane volute spiral spring (10) is fixedly connected with the fixed shaft (9), and the outer end of the plane volute spiral spring is connected with the side wall of the mounting groove (11).

4. The clamping device convenient to adjust for machining of the tower crane hook as claimed in claim 1, and is characterized in that: the driving mechanism comprises a motor (16), an adjusting rod (13) and a threaded sleeve (12), wherein the surface of the adjusting rod (13) is symmetrically provided with threaded structures (14) from the middle part, the threaded sleeve (12) is provided with two threaded structures which are respectively in threaded connection with the adjusting rod (13), and the top surface of the threaded sleeve (12) is connected with the lower end of a fixing column (15).

5. The clamping device convenient to adjust for machining of the tower crane hook as claimed in claim 4, is characterized in that: the motor (16) is installed on one side of the workbench (1), the adjusting rod (13) is rotatably connected with the workbench (1), and one end of the adjusting rod (13) extends out of the workbench (1) and is connected with a power output end of the motor (16).