CN217331585U

CN217331585U - Building site tower crane bolt looseness detector

Info

Publication number: CN217331585U
Application number: CN202220403310.8U
Authority: CN
Inventors: 卢博霖; 杨明显; 邱忠波; 郭智; 张松浩; 孙玉龙; 田涛涛; 杜冬会; 王唯一
Original assignee: Zhongke Testing Technology Development Hebei Co ltd
Current assignee: Zhongke Testing Technology Development Hebei Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-30
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to the technical field of bolt looseness detection, a building site tower crane bolt looseness detector is provided, which is convenient for installing and disassembling a detector body, is convenient for being applicable to most types of bolt bodies, is simple to operate and has strong practicability, and comprises the bolt body, the detector body and a fixed plate, wherein a threaded sleeve on the bolt body is provided with a nut, the detector body is installed at the top end of the fixed plate, the top end of the fixed plate is provided with a groove, a bidirectional screw rod is connected in the groove in a rotating manner, two threaded sleeves on the bidirectional screw rod are provided with two threaded blocks, the threaded blocks are connected in the groove in a sliding manner, a driving component for driving the bidirectional screw rod to rotate is arranged on the bidirectional screw rod, the top ends of the threaded blocks are fixedly connected with an L-shaped connecting rod, a clamping plate is fixedly connected on the L-shaped connecting rod, a placement groove is arranged at the bottom end of the clamping plate, and the placement groove is connected with the extension plate through a limiting component, the bottom end of the extension plate is fixedly connected with a bottom support.

Description

Building site tower crane bolt looseness detector

Technical Field

The utility model relates to a bolt becomes flexible and detects technical field, concretely relates to building site tower crane bolt detector that becomes flexible.

Background

As is well known, the tower crane is used as an essential transportation and hoisting tool in modern building construction, is very widely applied, and a large number of bolts are used for fixing important parts such as standard sections, but if the tower crane is not well managed and is not used properly, the bolts are likely to have the conditions of insufficient pretightening force or not retightening after long-time work, long-term repeated acting force and the like, so that the problems of bolt loosening, nut falling and the like are caused, safety accidents are very likely to occur, and therefore, the tower crane bolt loosening detector for the construction site is provided.

Through the retrieval, chinese patent application number is CN 201910928638.4's utility model patent discloses a, its general description does, including the bolt head, put the thing groove, warning light and response button, the up end of bolt head is fixed with the bolt post, and the outside cover of bolt post is equipped with the nut, the edge of bolt head is fixed with solid fixed cylinder, and the top of solid fixed cylinder is provided with the connecting rod, the top of connecting rod is connected with, and the through-hole has been seted up to the inside of fixed plate, the recess has been seted up to one side of nut, and the internally mounted of recess has the detection driving lever, it has logical groove to reserve on the nut in the detection driving lever outside, and the inside of logical groove is pasted and is had sealed the pad, put the thing groove and set up the opposite side at the nut, and the internally mounted who puts the thing groove has the warning light.

Although foretell prior art scheme drives when bolt post and nut vibrations at the tower crane operation, has a limiting value to the rotation range of nut, can avoid the warning light to light easily, increases maintenance personal working strength's phenomenon, it is when using, need fix the section of thick bamboo welding on the bolt head for the installation is comparatively complicated, and when this bolt head no longer carries out the use, the device need break and tear open just probably use next time, and the process is comparatively loaded down with trivial details, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a building site tower crane bolt is not hard up detector to the prior art who proposes in solving the background art needs to weld the solid fixed cylinder on the bolt head, makes the installation comparatively complicated, and when this bolt head no longer carries out the use, the device need break open just probably to carry out next use, and the process is comparatively loaded down with trivial details, the relatively poor problem of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a building site tower crane bolt looseness detector, includes bolt body, detector body and fixed plate, the thread bush is equipped with the nut on the bolt body, the top at the fixed plate is installed to the detector body, the top of fixed plate is seted up flutedly, and the internal rotation of recess is connected with two-way screw rod, the thread bush is equipped with two thread pieces on the two-way screw rod, thread piece sliding connection is provided with on the two-way screw rod and is used for driving two-way screw rod and carries out pivoted drive assembly in the recess, the top fixedly connected with L type connecting rod of thread piece, fixedly connected with grip block on the L type connecting rod, the standing groove has been seted up to the bottom of grip block, moves the subassembly through the limit in the standing groove and is connected with the extension plate, the bottom fixedly connected with collet of extension plate.

Preferably, the drive assembly includes first bevel gear, the fixed cover of first bevel gear is established on two-way screw rod, and two bracing piece fixedly connected with support rings are passed through on the top of fixed plate, rotate on the support ring and overlap and be equipped with the actuating lever, fixed cover is equipped with second bevel gear on the actuating lever, first bevel gear meshes with second bevel gear mutually.

Furthermore, the top end of the driving rod is fixedly connected with a rotating button.

Still further, the knob is provided with anti-skidding lines.

As a further scheme of the scheme, the movement limiting assembly comprises a rotating screw, the rotating screw is rotatably connected in the placing groove, a moving block is sleeved on the rotating screw in a threaded manner, the moving block is fixedly connected to an extension plate, the extension plate is slidably connected in the placing groove, and a rotating assembly for driving the rotating screw to rotate is arranged on the rotating screw.

As a still further scheme of this scheme, the runner assembly includes the dwang, dwang fixed connection is in the bottom of rotation bolt, and the dwang runs through the grip block and extends to the external world.

On the basis of the scheme, the bottom end of the rotating rod is fixedly connected with a rotating button.

On the basis of the scheme, the bottom support is fixedly connected with an anti-slip pad.

(III) advantageous effects

Compared with the prior art, the utility model provides a not hard up detector of building site tower crane bolt possesses following beneficial effect:

the utility model discloses in, rotate through the two-way screw rod of drive assembly drive, drive two screw thread pieces and remove, thereby drive two L type connecting rods and remove, and then drive the grip block and remove, until pressing from both sides tightly the bolt body, move the subassembly through the limit and drive extension plate and collet and reciprocate, be convenient for be applicable to the bolt body of most models, therefore, this building site tower crane bolt not hard up detector, be convenient for install and dismantle the detector body, and be convenient for be applicable to the bolt body of most models, and easy operation, the practicality is stronger.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the assembled and disassembled three-dimensional structure of the clamping plate, the extension plate, the fixing plate, etc. of the present invention;

FIG. 3 is a schematic view of the exploded perspective structure of the two-way screw, the threaded block, the L-shaped connecting rod, etc. of the present invention;

fig. 4 is a schematic view of the partial cross-sectional three-dimensional structure of the extension plate, the rotary screw, the moving block, and the like.

In the figure: 1. a bolt body; 2. a detector body; 3. a nut; 4. a fixing plate; 5. a bidirectional screw; 6. a thread block; 7. an L-shaped connecting rod; 8. a clamping plate; 9. an extension plate; 10. a bottom support; 11. a first bevel gear; 12. a support bar; 13. a support ring; 14. a drive rod; 15. a second bevel gear; 16. a rotation knob; 17. rotating the screw; 18. a moving block; 19. rotating the rod; 20. a knob is rotated; 21. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a building site tower crane bolt looseness detector comprises a bolt body 1, a detector body 2 and a fixing plate 4, wherein a nut 3 is sleeved on the bolt body 1 in a threaded manner, the detector body 2 is installed at the top end of the fixing plate 4, a groove is formed in the top end of the fixing plate 4, a bidirectional screw 5 is rotatably connected in the groove, two thread blocks 6 are sleeved on the bidirectional screw 5 in a threaded manner, the thread blocks 6 are slidably connected in the groove, a driving assembly for driving the bidirectional screw 5 to rotate is arranged on the bidirectional screw 5, the driving assembly comprises a first conical gear 11, the first conical gear 11 is fixedly sleeved on the bidirectional screw 5, the top end of the fixing plate 4 is fixedly connected with a support ring 13 through two support rods 12, a driving rod 14 is rotatably sleeved on the support ring 13 and is convenient for supporting the driving rod 14, and a second conical gear 15 is fixedly sleeved on the driving rod 14, first bevel gear 11 meshes with second bevel gear 15 mutually, actuating lever 14 rotates and drives second bevel gear 15 and rotate, second bevel gear 15 drives first bevel gear 11 and rotates, first bevel gear 11 drives two-way screw rod 5 and rotates, thereby drive two thread blocks 6 and keep away from each other or be close to each other, be convenient for drive thread block 6 and remove, the top fixedly connected with knob 16 of actuating lever 14, be convenient for rotate actuating lever 14, be provided with anti-skidding line on knob 16, in order to avoid taking place the phenomenon of skidding when rotating knob 16.

Further, the top end of the thread block 6 is fixedly connected with an L-shaped connecting rod 7 for connecting the clamping plate 8 conveniently, the L-shaped connecting rod 7 is fixedly connected with the clamping plate 8, the bottom end of the clamping plate 8 is provided with a placing groove, the placing groove is connected with an extension plate 9 through a limiting component, the bottom end of the extension plate 9 is fixedly connected with a bottom support 10, the bottom support 10 is fixedly connected with an anti-skid pad 21 for enhancing the position stability of the bottom support 10, the limiting component comprises a rotating screw 17, the rotating screw 17 is rotatably connected in the placing groove, a moving block 18 is sleeved on the rotating screw 17 through a thread, the moving block 18 is fixedly connected on the extension plate 9, the extension plate 9 is slidably connected in the placing groove, a rotating component for driving the rotating screw 17 to rotate is arranged on the rotating screw 17, the rotating component comprises a rotating rod 19, the rotating rod 19 is fixedly connected at the bottom end of the rotating bolt, and the rotating rod 19 penetrates through the clamping plate 8 and extends to the outside, the bottom fixedly connected with of dwang 19 rotates button 20, rotates button 20 and drives dwang 19 and rotate, and dwang 19 rotates and drives rotation screw rod 17 and rotate, rotates screw rod 17 and drives movable block 18 and reciprocate, and movable block 18 drives extension plate 9 and slides from top to bottom to adjust the length that extension plate 9 breaks away from the standing groove, be convenient for be applicable to the bolt body 1 of different models.

It should be further noted that the detector body 2 in the present disclosure is an authorized technology disclosed in patent No. CN201910928638.4, the internal structure and the working principle thereof are well known to those skilled in the art, and the innovation point of the present disclosure is mainly the installation and the detachment of the detector body 2, so that the details of the internal structure and the working principle thereof are not repeated.

In conclusion, when the building site tower crane bolt looseness detector is used, the building site tower crane bolt looseness detector is firstly installed on a bolt body 1 to be used, a fixing plate 4 is placed at a proper position of the bolt body 1, a rotating button 16 is rotated, the rotating button 16 drives a driving rod 14 to rotate, the driving rod 14 rotates to drive a second bevel gear 15 to rotate, the second bevel gear 15 drives a first bevel gear 11 to rotate, the first bevel gear 11 drives a bidirectional screw rod 5 to rotate, so that two thread blocks 6 are driven to approach each other, the two thread blocks 6 drive two L-shaped connecting plates to approach each other, the two L-shaped connecting plates drive two clamping plates 8 to approach each other until the two clamping plates 8 contact the bolt body 1, then the rotating button 20 is rotated, the rotating button 20 drives a rotating rod 19 to rotate, and the rotating rod 19 drives a rotating screw rod 17 to rotate, rotating screw 17 and driving movable block 18 and upwards moving, movable block 18 drives extension plate 9 and upwards slides, and extension plate 9 drives collet 10 and upwards moves until collet 10 contacts bolt body 1, then operate detector body 2 can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building site tower crane bolt looseness detector, includes bolt body (1) and detector body (2), the threaded sleeve is equipped with nut (3) on bolt body (1), its characterized in that still includes fixed plate (4), the top at fixed plate (4) is installed to detector body (2), the top of fixed plate (4) is seted up flutedly, and the fluted internal rotation is connected with two-way screw rod (5), threaded sleeve is equipped with two thread blocks (6) on two-way screw rod (5), thread block (6) sliding connection is in the recess, is provided with on two-way screw rod (5) and is used for driving two-way screw rod (5) and carry out pivoted drive assembly, and the top fixedly connected with L type connecting rod (7) of thread block (6), fixedly connected with grip block (8) on L type connecting rod (7), the standing groove has been seted up to the bottom of grip block (8), an extension plate (9) is connected in the placing groove through a limiting and moving assembly, and a bottom end of the extension plate (9) is fixedly connected with a bottom support (10).

2. The building site tower crane bolt looseness detector of claim 1, characterized in that, drive assembly includes first bevel gear (11), first bevel gear (11) fixed cover is established on two-way screw rod (5), the top of fixed plate (4) is through two bracing pieces (12) fixedly connected with support ring (13), it is equipped with actuating lever (14) to rotate the cover on support ring (13), and fixed cover is equipped with second cone gear (15) on actuating lever (14), first bevel gear (11) mesh with second cone gear (15).

3. The building site tower crane bolt looseness detector of claim 2, characterized in that, the top end of actuating lever (14) is fixedly connected with knob (16).

4. The building site tower crane bolt looseness detector of claim 3, characterized in that, be provided with anti-skidding line on rotatory button (16).

5. The building site tower crane bolt looseness detector of claim 4, characterized in that, the limiting component comprises a rotating screw (17), the rotating screw (17) is rotatably connected in the placing groove, a moving block (18) is sleeved on the rotating screw (17) in a threaded manner, the moving block (18) is fixedly connected to the extension plate (9), the extension plate (9) is slidably connected in the placing groove, and a rotating component for driving the rotating screw (17) to rotate is arranged on the rotating screw (17).

6. The building site tower crane bolt looseness detector of claim 5, characterized in that, runner assembly includes dwang (19), dwang (19) fixed connection is in the bottom of rotation bolt, and dwang (19) run through grip block (8) and extend to the external world.

7. The building site tower crane bolt looseness detector of claim 6, characterized in that, the bottom fixedly connected with of dwang (19) rotates button (20).

8. The building site tower crane bolt looseness detector of claim 7, characterized in that, the collet (10) is fixedly connected with slipmat (21).