CN210915036U

CN210915036U - Tower crane safety alarm device

Info

Publication number: CN210915036U
Application number: CN201921613285.0U
Authority: CN
Inventors: 谢建军; 苗九成; 杨小兵; 李召; 吴汝波; 甄保斌
Original assignee: CCCC Third Highway Engineering Co Ltd
Current assignee: CCCC Third Highway Engineering Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-03
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to a tower crane field indicates a tower crane safety alarm device especially. The utility model discloses tower crane safety alarm device is convenient for rolling the rope through designing the drive box installed on the front surface of the shell and the turntable inside the drive box, the outer connecting pipe and the inner connecting pipe on the rear surface of the turntable and the outer teeth and the elastic pieces at the connecting positions of the outer connecting pipe and the inner connecting pipe, thereby effectively avoiding the problem that the rope can not be rolled due to the limited stretching length of the torsional spring; through having designed the spliced pole of installing at the rope surface and the spliced pole removal by the spliced pole and be used for connecting the spliced pole and by the nut of spliced pole and support the ring and be convenient for dismantle and remove the couple, the effectual device of having guaranteed can not lead to the restricted problem of operating space because change inconvenience when using.

Description

Tower crane safety alarm device

Technical Field

The utility model relates to a tower crane field indicates a tower crane safety alarm device especially.

Background

The tower crane is the most common hoisting equipment on the construction site, also called tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by the extension (height) of one section and one section (called standard section for short). The tower crane is an indispensable device on a construction site, still has various shortcomings appearing on the market at present, can not satisfy the demand of production and life.

Like the laser radar tower crane personnel safety arrangement that the bulletin number of authorizing is disclosed for CN208865075U, though realized making this laser radar tower crane personnel safety arrangement can use through universal steering device safer, also can guarantee simultaneously that the nylon is woven the rope and can not be tied a knot and use more for a long time, but it is limited not to solve the inside torsional spring tensile length of device, unable percentage guarantees can be exactly retrieve, and then leads to the rope to expose the problem outside always.

Therefore, it is necessary to provide a tower crane safety alarm device to solve the above technical problems.

Disclosure of Invention

In order to solve the problem, the utility model provides a tower crane safety alarm device has solved that the tensile length of the inside torsional spring of device is limited, and unable percentage guarantees can definitely retrieve, and then leads to the rope to expose the problem of outer problem always.

In order to achieve the above object, the utility model adopts the following technical scheme: a tower crane safety alarm device, the device body comprises a driving box, a shell and a connecting mechanism, the inner part of the shell is rotatably connected with a containing wheel, the driving box is arranged on the front surface of the shell, a turntable is arranged in the driving box, an outer connecting pipe is fixedly connected to the rear surface of the turntable, an inner connecting pipe is arranged on the rear surface of the outer connecting pipe, a spring sheet is fixedly connected to the inner side of the outer connecting pipe, outer teeth are fixedly connected to the outer surface of the inner connecting pipe and are matched with the spring sheet, a main driving rod is arranged on the front surface of the turntable, an auxiliary driving rod is rotatably connected to one end of the main driving rod and is rotatably connected with the turntable, a pressing plate is fixedly connected to one end of the main driving rod, a spring is arranged at one end of the outer surface of the main driving rod, and is, and both sides of one end of the driving box are fixedly connected with buckling plates.

Further, the device body still includes the couple, the one end fixedly connected with rope of going up the couple, the couple under the one end fixedly connected with of rope.

Further, coupling mechanism includes the spliced pole, and spliced pole and rope fixed connection, the other end of spliced pole is provided with by the spliced pole, and by spliced pole and rope fixed connection, the surface one end of spliced pole is provided with supports the ring, the one end of supporting the ring is rotated and is connected with the nut, and nut and spliced pole fixed connection.

The connecting column is characterized in that one end of the connecting column is provided with a circular groove, and the front surface and the rear surface of the circular groove are both provided with holes with L-shaped cross sections.

The connected column is cylindrical, and rectangular bulges are formed at the end parts of two sides of the connected column.

The cross section of the abutting ring is in a ring shape, and a rectangular bulge is arranged on the inner wall of the abutting ring.

Furthermore, the front surface of the shell is provided with a circular hole, and a bearing is arranged at the connecting position of the shell and the inner connecting pipe.

Furthermore, the section of the auxiliary driving rod is circular, and the upper end of the front surface of the auxiliary driving rod is provided with a cylindrical bulge.

The beneficial effects of the utility model reside in that: the utility model discloses tower crane safety alarm device is convenient for rolling the rope through designing the drive box installed on the front surface of the shell and the turntable inside the drive box, the outer connecting pipe and the inner connecting pipe on the rear surface of the turntable and the outer teeth and the elastic pieces at the connecting positions of the outer connecting pipe and the inner connecting pipe, thereby effectively avoiding the problem that the rope can not be rolled due to the limited stretching length of the torsional spring; through having designed the spliced pole of installing at the rope surface and the spliced pole removal by the spliced pole and be used for connecting the spliced pole and by the nut of spliced pole and support the ring and be convenient for dismantle and remove the couple, the effectual device of having guaranteed can not lead to the restricted problem of operating space because change inconvenience when using.

Drawings

FIG. 1 is a schematic structural diagram of the preferred embodiment;

FIG. 2 is a partially sectioned structural schematic view of the drive cartridge of FIG. 1;

FIG. 3 is a schematic side view of the portion of the dial shown in FIG. 2;

FIG. 4 is a schematic view of the construction of the outer connecting tube portion shown in FIG. 3;

FIG. 5 is a schematic view, partially in section, of the connecting column of FIG. 1;

FIG. 6 is a schematic view of the connected column of FIG. 1 in partial section;

fig. 7 is a schematic top view of the retaining ring of fig. 5.

The reference numbers illustrate: 1. an upper hook; 2. a rope; 3. a drive cartridge; 4. a housing; 5. pressing a plate; 6. connecting columns; 7. a lower hook; 8. a secondary drive rod; 9. a main drive rod; 10. buckling the plate; 11. a spring; 12. a turntable; 13. an outer connecting pipe; 14. an internal connection pipe; 15. a spring plate; 16. an outer tooth; 17. a nut; 18. a support ring; 19. is connected with the column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The present application may be embodied in many different forms and is not limited to the embodiments described in the present embodiment. The following detailed description is provided to facilitate a more thorough understanding of the present disclosure, wherein words that indicate orientation, front, back, left, right, etc., are used solely for the purpose of illustrating the structure in the corresponding figures.

Referring to fig. 1-7, the present invention relates to a tower crane safety alarm device, the device body includes a driving box 3, a housing 4 and a connecting mechanism, the housing 4 is rotatably connected with a receiving wheel, the driving box 3 is installed on the front surface of the housing 4, a turntable 12 is installed inside the driving box 3, an outer connecting pipe 13 is fixedly connected to the rear surface of the turntable 12, an inner connecting pipe 14 is installed on the rear surface of the outer connecting pipe 13, an elastic piece 15 is fixedly connected to the inner side of the outer connecting pipe 13, outer teeth 16 are fixedly connected to the outer surface of the inner connecting pipe 14, the outer teeth 16 and the elastic piece 15 are engaged with each other, a main driving rod 9 is installed on the front surface of the turntable 12, one end of the main driving rod 9 is rotatably connected with an auxiliary driving rod 8, the auxiliary driving rod 8 is rotatably connected with the turntable 12, one end of the main driving rod 9, and spring 11 and clamp plate 5 and the equal fixed connection of drive box 3, the equal fixed connection of one end both sides of drive box 3 has buckle 10, for the convenience carries out the rolling to rope 2.

In order to ensure the normal use of the device, the device body of the embodiment further comprises an upper hook 1, wherein one end of the upper hook 1 is fixedly connected with a rope 2, and one end of the rope 2 is fixedly connected with a lower hook 7.

In this embodiment, coupling mechanism includes spliced pole 6, and spliced pole 6 and rope 2 fixed connection, and the other end of spliced pole 6 is provided with by spliced pole 19, and by spliced pole 19 and rope 2 fixed connection, and the surface one end of spliced pole 6 is provided with supports ring 18, and the one end rotation of supporting ring 18 is connected with nut 17, and nut 17 and spliced pole 6 fixed connection, can be convenient for more connect. The connected column 19 is cylindrical, and rectangular bulges are formed at the end parts of the two sides of the connected column 19; the cross section of the retaining ring 18 is circular, and the inner wall of the retaining ring 18 is provided with a rectangular bulge.

One end of the connecting column 6 in the embodiment is provided with a circular groove, and the front surface and the rear surface of the circular groove are both provided with holes with L-shaped cross sections, so that the connected column 19 can be conveniently fixed.

In this embodiment, the front surface of the outer shell 4 is provided with a circular hole, and a bearing is installed at a connection position between the outer shell 4 and the inner connection pipe 14 to ensure that the inner connection pipe 14 rotates.

In order to facilitate the driving of the outer connecting pipe 13 to rotate, in the present embodiment, it is preferable that the cross-sectional shape of the auxiliary driving rod 8 is circular, and the upper end of the front surface of the auxiliary driving rod 8 is provided with a cylindrical protrusion.

The working principle of the tower crane safety alarm device of the embodiment is as follows: after the device body is installed, the nut 17 and the resisting ring 18 are sleeved on the outer surface of the connected column 19, then the connected column 19 is inserted into the connecting column 6, after the connected column 19 is inserted to a certain depth, the connected column 19 is rotated to enable the connected column 19 to be clamped in a hole in the outer surface of the connecting column 6, then the nut 17 is sleeved on the outer surface of the connecting column 6, the rectangular bulge on the inner side of the resisting ring 18 is ensured to be clamped at one end of the hole in the connecting column 6, then the nut 17 is rotated by utilizing the thread groove in the nut 17 to enable the resisting ring 18 to move until the rectangular bulge on the inner side of the resisting ring 18 moves to the rectangular bulge on the connected column 19, then the device can be normally used, due to the existence of the elastic sheet 15, when the rope 2 is released, the elasticity of the elastic sheet 15 can ensure the normal rotation of the inner connecting tube 14, and when the, holding buckle 10 and pressing clamp plate 5, clamp plate 5 drives main actuating lever 9 and constantly removes, and main actuating lever 9 drives carousel 12 through auxiliary actuating lever 8 again and rotates, and at this moment carousel 12 drives outer connecting pipe 13 and rotates, and shell fragment 15 and 16 mutual block in external tooth, the internal connection is taken over 14 and is driven rotatoryly, and then carries out effective rolling to rope 2.

It is further understood that the terms "fixed," "disposed," "connected," "mounted," and the like are to be construed broadly and their specific meanings in the present disclosure may be understood by those skilled in the art according to specific situations, unless otherwise explicitly stated or limited.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides a tower crane safety alarm device which characterized in that: the device body comprises a driving box, a shell and a connecting mechanism, wherein the interior of the shell is rotatably connected with a containing wheel, the driving box is arranged on the front surface of the shell, a turntable is arranged in the driving box, an outer connecting pipe is fixedly connected with the rear surface of the turntable, the rear surface of the outer connecting pipe is provided with an inner connecting pipe, the inner side of the outer connecting pipe is fixedly connected with a spring plate, the outer surface of the inner connecting pipe is fixedly connected with outer teeth, the outer teeth are matched with the elastic sheets, the front surface of the turntable is provided with a main driving rod, one end of the main driving rod is rotatably connected with an auxiliary driving rod, and the auxiliary driving rod is rotationally connected with the turntable, one end of the main driving rod is fixedly connected with the pressing plate, one end of the outer surface of the main driving rod is provided with a spring, and the spring is fixedly connected with the pressing plate and the driving box, and the two sides of one end of the driving box are fixedly connected with the buckling plates.

2. The tower crane safety alarm device of claim 1, wherein: the device body still includes the couple, the one end fixedly connected with rope of going up the couple, the couple under the one end fixedly connected with of rope.

3. The tower crane safety alarm device of claim 1, wherein: the connecting mechanism comprises a connecting column, the connecting column is fixedly connected with a rope, the other end of the connecting column is provided with a connected column, the connected column is fixedly connected with the rope, one end of the outer surface of the connecting column is provided with a supporting ring, one end of the supporting ring is rotatably connected with a nut, and the nut is fixedly connected with the connecting column.

4. The tower crane safety alarm device of claim 3, wherein: one end of the connecting column is provided with a circular groove, and the front surface and the rear surface of the circular groove are both provided with holes with L-shaped sections.

5. The tower crane safety alarm device of claim 3, wherein: the connected column is cylindrical, and rectangular bulges are formed at the end parts of the two sides of the connected column.

6. The tower crane safety alarm device of claim 3, wherein: the cross section of the abutting ring is in a ring shape, and a rectangular bulge is arranged on the inner wall of the abutting ring.

7. The tower crane safety alarm device of claim 1, wherein: the front surface of the shell is provided with a circular hole, and a bearing is arranged at the connecting position of the shell and the inner connecting pipe.

8. The tower crane safety alarm device of claim 1, wherein: the section shape of the auxiliary driving rod is circular, and a cylindrical bulge is arranged at the upper end of the front surface of the auxiliary driving rod.