CN216638739U

CN216638739U - Anti-falling structure device for jacking cross beam of tower crane

Info

Publication number: CN216638739U
Application number: CN202220200547.6U
Authority: CN
Inventors: 陈飞
Original assignee: Zoomlion Construction Machinery Jiangsu Co ltd
Current assignee: Zoomlion Construction Machinery Jiangsu Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-05-31
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses the technical field of jacking cross beam anti-falling devices, in particular to a tower crane jacking cross beam anti-falling structure device which comprises a jacking cross beam and a standard joint, wherein bolt round bars are fixedly arranged on the side walls of the left end and the right end of the jacking cross beam, jacking clamping blocks are fixedly arranged on the side walls of the left end and the right end of the standard joint, a clamping groove is formed in one side of each jacking clamping block, an anti-falling groove is formed in the side wall of the inner end of each clamping groove, each bolt round bar is positioned in each clamping groove, an anti-falling device is arranged in each bolt round bar, the bolt round bars at the left end and the right end of the jacking cross beam are placed in the clamping grooves through hydraulic cylinders, a moving block at the lower end of each bolt round bar is in contact with the inner wall at the bottom ends of the clamping grooves and extrudes a moving block into the corresponding bolt round bar, the moving block moves inwards through the moving grooves, a round ball at the upper end of the moving block is in contact with an oblique angle and extrudes the oblique angle, the outer end of the anti-falling block is inserted into the anti-falling groove, the anti-skid function of the jacking cross beam is achieved.

Description

Anti-falling structure device for jacking cross beam of tower crane

Technical Field

The utility model relates to the field of jacking cross beam anti-disengaging devices, in particular to a jacking cross beam anti-disengaging structure device of a tower crane.

Background

The tower crane is a tower crane for short, and is also called a tower crane, a movable arm is arranged on a rotary crane on the upper part of a high-rise tower body, the operation space is large, the rotary crane is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction, the rotary crane is composed of a metal structure, a working mechanism and an electrical system, the metal structure comprises the tower body, the movable arm, a base and the like, the working mechanism is provided with four parts of lifting, amplitude changing, rotating and traveling, and the electrical system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device and the like.

The prior art has the following defects: the existing tower crane jacking cross beam is not provided with an anti-falling device, supporting blocks matched with the two ends of the jacking cross beam are usually in an open arc shape, reliable constraint is lacked, and potential safety hazards exist in the tower crane jacking or section lowering process.

Therefore, the utility model is necessary for the anti-drop structure device of the jacking cross beam of the tower crane.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an anti-falling structure device for a jacking cross beam of a tower crane, which is characterized in that the anti-falling device is arranged in a bolt round rod, and the jacking clamping block is provided with a clamping groove and an anti-falling groove, so that the problems that the jacking cross beam of the tower crane is not provided with the anti-falling device, supporting blocks matched with two ends of the jacking cross beam are in an open arc shape, reliable restraint is lacked, and potential safety hazards exist in the jacking or section lowering process of the tower crane are solved.

In order to achieve the above purpose, the utility model provides the following technical scheme: the anti-falling structure device for the jacking cross beam of the tower crane comprises the jacking cross beam and a standard joint, wherein bolt round rods are fixedly arranged on the side walls of the left end and the right end of the jacking cross beam, jacking clamping blocks are fixedly arranged on the side walls of the left end and the right end of the standard joint, a clamping groove is formed in one side of each jacking clamping block, an anti-falling groove is formed in the side wall of the inner end of each clamping groove, each bolt round rod is positioned in each clamping groove, and an anti-falling device is arranged in each bolt round rod;

the anti-falling device comprises a clamping part and a driving part, the clamping part is located in the bolt round rod, and the driving part is located below the clamping part.

Preferably, the joint part includes the inserting groove, the inserting groove is seted up on the lateral wall of bolt round bar outer end, all seted up mounting groove one on the lateral wall of the lower extreme on the inserting groove, equal fixed mounting has the support frame on the lateral wall of the lower extreme on the inserting groove, mounting groove one is located the support frame inboard, the one end that the inserting groove inner wall was kept away from to the support frame rotates and is connected with the gyro wheel.

Preferably, the inserting groove is internally inserted with an anti-falling block, the outer end of the anti-falling block is flush with the outer port of the inserting groove, the side wall of the inner end of the anti-falling block is provided with an oblique angle, and the outer surface of the oblique angle is subjected to polishing treatment.

Preferably, lower extreme outer wall and gyro wheel outer wall roll connection on the anticreep piece, it has fixed block one to go back fixed mounting on the outer wall of lower extreme on the anticreep piece, the one end that the anticreep piece was kept away from to fixed block one inserts in mounting groove one, fixed mounting has spring one on the fixed block lateral wall, spring one is located mounting groove one, spring one keeps away from the one end and a mounting groove inner wall fixed connection of fixed block one.

Preferably, the driving part comprises a moving groove, the moving groove is formed in the side wall of the lower end of the round rod of the plug pin, an inner port of the moving groove is communicated with the insertion groove, and mounting grooves II are formed in the side walls of the left end and the right end of the moving groove.

Preferably, a moving block is inserted into the moving groove, the lower end of the moving block is exposed out of the moving groove, and two fixing blocks II are fixedly mounted on the side walls of the left end and the right end of the moving block.

Preferably, fixed mounting has spring two on the two lateral walls of fixed block, spring two is located mounting groove two, spring two keeps away from the one end fixed mounting of fixed block two on the two inner walls of mounting groove, fixed mounting has the telescopic link in the spring two.

Preferably, a chamfer is formed in the outer side of the upper end of the moving block, a groove is formed in the side wall of the upper end of the moving block, the groove is arc-shaped and is located on the inner side of the chamfer, a round ball is arranged in the groove, the outer wall of the round ball is connected with the inner wall of the groove in a sliding mode, two thirds of the round ball is located in the groove, and the round ball is located below the bevel.

The utility model has the beneficial effects that:

1. the round pin rods at the left end and the right end of the jacking cross beam are placed in the clamping grooves through hydraulic cylinders, the moving blocks at the lower ends of the round pin rods are in contact with the inner walls at the bottom ends of the clamping grooves and extrude the moving blocks into the round pin rods, the moving blocks move inwards through the moving grooves, the balls at the upper ends of the moving blocks are in contact with the oblique angles and extrude the oblique angles, and the outer ends of the anti-falling blocks are inserted into the anti-falling grooves to play a role in preventing the jacking cross beam from sliding;

2. through roll connection gyro wheel on anticreep piece outer wall, handle bevel angle surface polishing to and rotate the installation ball at the movable block upper end, play and to be convenient for release the inserting groove with the anticreep piece and insert the effect in the anticreep groove.

Drawings

FIG. 1 is a front view of the overall structure provided by the present invention;

FIG. 2 is a front view of a jacking cross beam provided by the present invention;

FIG. 3 is a schematic front sectional view of the anti-separation device according to the present invention;

FIG. 4 is an enlarged view of the structure of area A in FIG. 3 according to the present invention;

fig. 5 is a side view of the jacking clamping block provided by the utility model.

In the figure: the lifting device comprises a lifting cross beam 1, a plug round rod 2, a standard joint 3, a lifting clamping block 4, a clamping groove 5, a disengagement preventing groove 6, a disengagement preventing block 7, a moving block 8, a plug-in groove 9, a support frame 10, a roller 11, a bevel 13, a fixed block 14, a fixed block 15, a fixed block 16, a spring 17, a moving groove 18, a chamfer 19, a round ball 20, a fixed block 21, a fixed block 22, a fixed groove 23, a telescopic rod 24, a disengagement preventing device 100, a clamping part 110 and a driving part 120.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached drawings 1-5, the anti-drop structure device for the jacking cross beam of the tower crane comprises a jacking cross beam 1 and a standard knot 3;

the jacking cross beam comprises a jacking cross beam 1, jacking clamping blocks 4, a clamping groove 5 and anti-falling grooves 6, wherein the side walls of the left end and the right end of the jacking cross beam 1 are fixedly provided with bolt round rods 2, the bolt round rods 2 play a role in connection with the clamping grooves 5, the side walls of the left end and the right end of a standard joint 3 are fixedly provided with jacking clamping blocks 4, one side of each jacking clamping block 4 is provided with the clamping groove 5, the side wall of the inner end of each clamping groove 5 is provided with the anti-falling groove 6, the anti-falling effect of the anti-falling blocks 7 is achieved, the bolt round rods 2 are located in the clamping grooves 5, and anti-falling devices 100 are arranged in the bolt round rods 2; the anti-dropping device 100 comprises a clamping part 110 and a driving part 120, wherein the clamping part 110 is positioned in the bolt round rod 2, and the driving part 120 is positioned below the clamping part 110.

The clamping part 110 comprises an inserting groove 9, the inserting groove 9 is arranged on the side wall of the outer end of the round pin rod 2, the side walls of the upper end and the lower end of the inserting groove 9 are respectively provided with a first mounting groove 15, the side walls of the upper end and the lower end of the inserting groove 9 are respectively fixedly provided with a support frame 10, the first mounting groove 15 is positioned at the inner side of the support frame 10, one end of the support frame 10 far away from the inner wall of the inserting groove 9 is rotatably connected with a roller 11, an anti-falling block 7 is inserted in the inserting groove 9, the outer end of the anti-falling block 7 is flush with the outer port of the inserting groove 9, the inner side wall of the anti-falling block 7 is provided with an oblique angle 13, the outer surface of the oblique angle 13 is polished to play a role of smoothing the surface of the oblique angle 13, the friction force between the oblique angle 13 and the ball 20 is reduced, the outer walls of the upper end and the lower end of the anti-falling block 7 are in rolling connection with the outer wall of the roller 11, when the anti-falling block 7 is extruded by external force to move towards the outside, the roller 11 rolls on the outer wall of the anti-falling block 7 to play a role of guiding the anti-falling block 7, fixed block 14 is still fixed mounting on the outer wall of the upper end and the lower end of anti-disengaging block 7, and in the one end that anti-disengaging block 7 was kept away from to fixed block 14 inserted mounting groove 15, fixed mounting had spring 16 on the 14 lateral walls of fixed block, and spring 16 is located mounting groove 15, and spring 16 keeps away from the one end of fixed block 14 and the 15 inner wall fixed connection of mounting groove, and spring 16 plays the effect that resets to anti-disengaging block 7.

The driving part 120 comprises a moving groove 17, the moving groove 17 is arranged on the side wall of the lower end of the round pin rod 2, the inner port of the moving groove 17 is communicated with the inserting groove 9, the side walls of the left end and the right end of the moving groove 17 are respectively provided with a second mounting groove 22, a moving block 8 is inserted in the moving groove 17, the lower end of the moving block 8 is exposed out of the moving groove 17 and plays a role of contacting with the inner wall of the bottom end of the clamping groove 5, the side walls of the left end and the right end of the moving block 8 are respectively and fixedly provided with a second fixing block 21, the side walls of the second fixing blocks 21 are respectively and fixedly provided with a second spring 23, the second spring 23 plays a role of resetting the moving block 8, the second spring 23 is positioned in the second mounting groove 22, one end of the second spring 23, far away from the second fixing block 21, is fixedly arranged on the inner wall of the second mounting groove 22, an expansion link 24 is fixedly arranged in the second spring 23, the expansion link 24 prevents the second spring 23 from deforming under the action of being stressed force, the outer side of the upper end of the moving block 8 is provided with a chamfer 19, set up recess 18 on the lateral wall of movable block 8 upper end, recess 18 is circular-arcly, recess 18 is located chamfer 19 inboardly, be equipped with ball 20 in the recess 18, ball 20 outer wall and recess 18 inner wall sliding connection, ball 20 two-thirds is located recess 18, ball 20 can nevertheless can not drop in recess 18 internal rotation, ball 20 is located oblique angle 13 below, when the lower extreme of movable block 8 receives ascending pressure, can be through the moving chute 17 inward movement, ball 20 of movable block 8 upper end can contact and extrude oblique angle 13 with oblique angle 13, the extrusion force that oblique angle 13 will receive is transmitted for anticreep piece 7, anticreep piece 7 outwards removes under the direction of gyro wheel 11.

The using process of the utility model is as follows: the technical personnel in the field place the bolt circle pole 2 at both ends about jacking crossbeam 1 in joint groove 5 through the pneumatic cylinder, the movable block 8 of bolt circle pole 2 lower extreme and the contact of 5 bottom inner walls in joint groove and extrude the movable block 8 inside bolt circle pole 2, movable block 8 is through shifting chute 17 inside moving, ball 20 of movable block 8 upper end can contact with oblique angle 13 and extrude oblique angle 13, oblique angle 13 transmits the extrusion force that receives for anticreep piece 7, anticreep piece 7 outwards removes and inserts in anticreep groove 6 under the direction of gyro wheel 11, play the effect to jacking crossbeam 1 antiskid, when the pneumatic cylinder lifted jacking crossbeam 1, movable block 8 resets under the effort of spring two 23, anticreep piece 7 withdraws in bolt circle pole 2 under the effort of spring 16.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The anti-falling structure device for the jacking cross beam of the tower crane comprises the jacking cross beam (1) and a standard joint (3), wherein bolt round rods (2) are fixedly arranged on the side walls of the left end and the right end of the jacking cross beam (1), and jacking clamping blocks (4) are fixedly arranged on the side walls of the left end and the right end of the standard joint (3), and is characterized in that a clamping groove (5) is formed in one side of each jacking clamping block (4), an anti-falling groove (6) is formed in the side wall of the inner end of each clamping groove (5), each bolt round rod (2) is located in each clamping groove (5), and an anti-falling device (100) is arranged in each bolt round rod (2);

anticreep device (100) are including joint part (110) and driver part (120), joint part (110) are located bolt round bar (2), driver part (120) are located joint part (110) below.

2. The anti-drop structure device for the jacking cross beam of the tower crane according to claim 1, wherein: joint part (110) include inserting groove (9), inserting groove (9) are seted up on bolt round bar (2) outer end lateral wall, all seted up mounting groove (15) on inserting groove (9) the lower extreme lateral wall, equal fixed mounting has support frame (10) on inserting groove (9) the lower extreme lateral wall, mounting groove (15) are located support frame (10) inboard, the one end rotation that inserting groove (9) inner wall was kept away from in support frame (10) is connected with gyro wheel (11).

3. The anti-drop structure device for the jacking cross beam of the tower crane according to claim 2, wherein: an anti-falling block (7) is inserted in the insertion groove (9), the outer end of the anti-falling block (7) is flush with the outer port of the insertion groove (9), an oblique angle (13) is formed in the side wall of the inner end of the anti-falling block (7), and the outer surface of the oblique angle (13) is subjected to polishing treatment.

4. The anti-drop structure device for the jacking cross beam of the tower crane according to claim 3, wherein: end outer wall and gyro wheel (11) outer wall roll connection about anticreep piece (7), it has fixed block (14) to go back fixed mounting on the outer wall of the end about anticreep piece (7), fixed block (14) are kept away from the one end of anticreep piece (7) and are inserted in mounting groove (15), fixed block (14) are gone up fixed mounting and have spring (16) on the lateral wall, spring (16) are located mounting groove (15), the one end and mounting groove (15) inner wall fixed connection of fixed block (14) are kept away from in spring (16).

5. The anti-drop structure device for the jacking cross beam of the tower crane according to claim 1, wherein: the driving part (120) comprises a moving groove (17), the moving groove (17) is formed in the side wall of the lower end of the bolt round rod (2), an inner port of the moving groove (17) is communicated with the insertion groove (9), and two mounting grooves (22) are formed in the side walls of the left end and the right end of the moving groove (17).

6. The anti-drop structure device for the jacking cross beam of the tower crane according to claim 5, wherein: a moving block (8) is inserted into the moving groove (17), the lower end of the moving block (8) is exposed out of the moving groove (17), and two fixed blocks (21) are fixedly mounted on the side walls of the left end and the right end of the moving block (8).

7. The anti-drop structure device for the jacking cross beam of the tower crane according to claim 6, wherein: fixed mounting has spring two (23) on two (21) lateral walls of fixed block, spring two (23) are located mounting groove two (22), the one end fixed mounting that fixed block two (21) were kept away from in spring two (23) is on mounting groove two (22) inner wall, fixed mounting has telescopic link (24) in spring two (23).

8. The anti-drop structure device for the jacking cross beam of the tower crane according to claim 7, wherein: the outer side of the upper end of the moving block (8) is provided with a chamfer (19), the side wall of the upper end of the moving block (8) is provided with a groove (18), the groove (18) is arc-shaped, the groove (18) is located on the inner side of the chamfer (19), a round ball (20) is arranged in the groove (18), the outer wall of the round ball (20) is connected with the inner wall of the groove (18) in a sliding mode, two thirds of the round ball (20) is located in the groove (18), and the round ball (20) is located below the bevel (13).