CN214243518U

CN214243518U - Warning device of tower crane

Info

Publication number: CN214243518U
Application number: CN202023190699.2U
Authority: CN
Inventors: 邓承文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-09-21
Anticipated expiration: 2030-12-26

Abstract

The utility model discloses a tower crane's warning device, including the hoist body, the hollow piece of lower extreme fixedly connected with of hoist body, the inner wall sliding connection of hollow piece has the slide bar, the spacing spring of fixedly connected with between slide bar and the hollow piece inner wall, the lateral wall of hollow piece runs through and is equipped with logical groove, and is a plurality of the common fixedly connected with of lower extreme of first stay cord draws the piece, draw fixedly connected with second stay cord between the upper end of piece and the hoist body, the lateral wall that draws the piece is equipped with second alarm mechanism, draw the lower extreme of piece and install stop gear. The utility model discloses, rational in infrastructure, when the second stay cord reaches the maximum tension state, first alarm lamp begins to work and reports to the police, prevents that the second stay cord from splitting, and secondly, when near someone existence of hoist engine body, the suggestion staff that reports to the police is no longer close to the second alarm lamp, protects the staff.

Description

Warning device of tower crane

Technical Field

The utility model relates to a hoist and technical field especially relate to a tower crane's warning device.

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.

When working to the hoist, in order to prevent that the hoist from causing danger to the personnel, need remind the staff, secondly, too big in order to prevent the pressure that the stay cord of hoist bore, the stay cord fracture needs to be equipped with special alarm device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the warning device of a tower crane who proposes, it is when the second stay cord reaches the maximum tension state, and first alarm lamp begins work and reports to the police, prevents that the second stay cord from splitting, secondly, when near someone existence of hoist body, the suggestion staff that reports to the police is no longer close to the second alarm lamp, protects the staff.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a warning device of a tower crane comprises a crane body, wherein the lower end of the crane body is fixedly connected with a hollow block, the inner wall of the hollow block is connected with a sliding rod in a sliding way, a limit spring is fixedly connected between the sliding rod and the inner wall of the hollow block, a through groove is arranged on the side wall of the hollow block in a penetrating way, the inner wall of the through groove is connected with a sliding block in a sliding way, the sliding block is fixedly connected with the sliding rod, a first alarm mechanism is arranged between the sliding block and the hollow block as well as between the sliding block and the crane body, the lower end of the sliding rod is fixedly connected with a round block, the lower end of the round block is fixedly connected with a plurality of first pull ropes, the lower ends of the first pull ropes are jointly and fixedly connected with a pull block, a second pull rope is fixedly connected between the upper end of the pull block and the crane body, a second alarm mechanism is arranged on the side wall of the pull block, and a limiting mechanism is mounted at the lower end of the pull block.

Preferably, first alarm mechanism includes two first springs with sliding block lower extreme fixed connection, two the first electric property piece of the common fixedly connected with of lower extreme of first spring, the lateral wall fixedly connected with second electric property piece of hollow block, the first alarm lamp of lower extreme fixedly connected with of hoist body, first alarm lamp and the equal electric connection of first electric property piece and second electric property piece.

Preferably, the second alarm mechanism includes the sensor and the second alarm lamp with the lateral wall fixed connection of pulling the piece, electric connection between sensor and the second alarm lamp.

Preferably, stop gear include with the lower extreme fixed connection's of the arm-tie couple, the lower extreme of arm-tie rotates and is connected with the stock, the lower extreme fixedly connected with stopper of stock, fixedly connected with second spring between stock and the arm-tie.

Preferably, the first electric piece and the second electric piece are both iron pieces.

Preferably, the hook is matched with the limiting block, and the hook is opposite to the limiting block.

Compared with the prior art, the utility model, its beneficial effect does:

1. when the couple drives first stay cord and second stay cord and moves down together, first stay cord drives the slide bar and lengthens spacing spring, if when first electrical property piece and second electrical property piece contacted, when the second stay cord reached maximum tension state, first alarm lamp began work and reports to the police.

2. When someone exists near the crane body, the second alarm lamp gives an alarm to prompt the worker to stop approaching, and when the crane body rises to a certain height, the second alarm lamp stops working.

To sum up, when the second stay cord reaches the maximum tension state, first alarm lamp begins work and reports to the police, prevents that the second stay cord fracture, and secondly, when near someone existence of hoist body, the second alarm lamp reports to the police and reminds the staff no longer to be close to, protects the staff.

Drawings

Fig. 1 is a schematic structural view of a warning device of a tower crane according to the present invention;

fig. 2 is an enlarged view of a structure a in fig. 1.

In the figure: 1 first alarm lamp, 2 sliding blocks, 3 first electric property pieces, 4 hollow blocks, 5 spacing springs, 6 slide bars, 7 pull blocks, 8 second alarm lamps, 9 couples, 10 second stay ropes, 11 first springs, 12 second electric property pieces, 13 sensors, 14 second springs, 15 long rods, 16 crane bodies.

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.

Referring to fig. 1-2, a warning device of tower crane, including hoist body 16, the lower extreme fixedly connected with hollow block 4 of hoist body 16, the inner wall sliding connection of hollow block 4 has slide bar 6, the spacing spring 5 of fixedly connected with between slide bar 6 and the hollow block 4 inner wall, the lateral wall of hollow block 4 runs through and is equipped with logical groove, the inner wall sliding connection who leads to groove has sliding block 2, sliding block 2 and slide bar 6 fixed connection, slide bar 6 can't break away from hollow block 4.

Be equipped with first alarm mechanism between sliding block 2 and hollow block 4 and the hoist body 16, first alarm mechanism include with two first springs 11 of 2 lower extreme fixed connection of sliding block, the common fixedly connected with first electric property piece 3 of the lower extreme of two first springs 11, the lateral wall fixedly connected with second electric property piece 12 of hollow block 4, the first alarm lamp 1 of lower extreme fixedly connected with of hoist body 16, first alarm lamp 1 and the equal electric connection of first electric property piece 3 and second electric property piece 12, first electric property piece 3 is the iron sheet with second electric property piece 12, the lower extreme fixedly connected with round block of slide bar 6, a plurality of first stay ropes of the lower extreme fixedly connected with of round block, the common fixedly connected with pull block 7 of the lower extreme of a plurality of first stay ropes, fixedly connected with second stay rope 10 between the upper end of pull block 7 and the hoist body 16, second stay rope 10 is rich in elasticity.

The lateral wall of lacing block 7 is equipped with second alarm mechanism, second alarm mechanism includes sensor 13 and the second alarm lamp 8 with the lateral wall fixed connection of lacing block 7, electric connection between sensor 13 and the second alarm lamp 8, sensor 13 can detect peripheral scope and have nobody, sensor 13 makes second alarm lamp 8 give out light when someone, warn the personnel, stop gear is installed to the lower extreme of lacing block 7, stop gear includes couple 9 with the lower extreme fixed connection of lacing block 7, couple 9 and stopper phase-match, couple 9 is just right with the stopper, the lower extreme of lacing block 7 rotates and is connected with stock 15, the lower extreme fixedly connected with stopper of stock 15, fixedly connected with second spring 14 between stock 15 and the lacing block 7, second spring 14 is spacing to stock 15.

The utility model discloses in, the staff rotates stock 15 and makes the stopper no longer carry on spacingly to couple 9, and the object that will hoist is hung on couple 9, later starts hoist body 16, when 16 someone's existence in near hoist body, second alarm lamp 8 reports to the police and suggests that the staff is no longer close to, and when hoist body 16 rose a take the altitude, second alarm lamp 8 no longer works.

When the hook 9 drives the first pull rope and the second pull rope 10 to move downwards together, the first pull rope drives the sliding rod 6 to elongate the limiting spring 5, and if the first electric piece 3 is in contact with the second electric piece 12, and the second pull rope 10 reaches the maximum tension state, the first alarm lamp 1 starts to work to alarm.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A warning device of a tower crane comprises a crane body (16) and is characterized in that the lower end of the crane body (16) is fixedly connected with an hollow block (4), the inner wall of the hollow block (4) is connected with a sliding rod (6) in a sliding manner, a limiting spring (5) is fixedly connected between the sliding rod (6) and the inner wall of the hollow block (4), a through groove is arranged on the side wall of the hollow block (4) in a penetrating manner, the inner wall of the through groove is connected with a sliding block (2) in a sliding manner, the sliding block (2) is fixedly connected with the sliding rod (6), a first warning mechanism is arranged between the sliding block (2), the hollow block (4) and the crane body (16), the lower end of the sliding rod (6) is fixedly connected with a round block, the lower end of the round block is fixedly connected with a plurality of first pull ropes, and the lower end of the first pull blocks (7) is fixedly connected together, a second pull rope (10) is fixedly connected between the upper end of the pull block (7) and the crane body (16), a second alarm mechanism is arranged on the side wall of the pull block (7), and a limiting mechanism is installed at the lower end of the pull block (7).

2. The warning device of the tower crane according to claim 1, wherein the first warning mechanism comprises two first springs (11) fixedly connected with the lower end of the sliding block (2), the lower ends of the two first springs (11) are fixedly connected with a first electric sheet (3) together, the side wall of the hollow block (4) is fixedly connected with a second electric sheet (12), the lower end of the crane body (16) is fixedly connected with a first warning lamp (1), and the first warning lamp (1) is electrically connected with the first electric sheet (3) and the second electric sheet (12).

3. The warning device of the tower crane according to claim 1, wherein the second warning mechanism comprises a sensor (13) and a second warning lamp (8) which are fixedly connected with the side wall of the pull block (7), and the sensor (13) is electrically connected with the second warning lamp (8).

4. The warning device of the tower crane according to claim 1, wherein the limiting mechanism comprises a hook (9) fixedly connected with the lower end of the pull block (7), a long rod (15) is rotatably connected with the lower end of the pull block (7), a limiting block is fixedly connected with the lower end of the long rod (15), and a second spring (14) is fixedly connected between the long rod (15) and the pull block (7).

5. The warning device of the tower crane according to claim 2, wherein the first electrical sheet (3) and the second electrical sheet (12) are both iron sheets.

6. The warning device of the tower crane according to claim 4, wherein the hook (9) is matched with the limiting block, and the hook (9) is opposite to the limiting block.