CN219122013U

CN219122013U - Tower body steel structure damage detection device of tower crane

Info

Publication number: CN219122013U
Application number: CN202222966220.2U
Authority: CN
Inventors: 温莉莉; 李君�; 刘强
Original assignee: Zhongjun Technology Co ltd
Current assignee: Zhongjun Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-06-02
Anticipated expiration: 2032-11-07

Abstract

The utility model relates to the technical field of steel structure monitoring, in particular to a tower body steel structure damage detection device of a tower crane, which comprises a box body, wherein two limit rods are fixedly arranged on four sides of the box body, a fixed ring is fixedly arranged outside the two limit rods, a sleeve is penetrated inside the fixed ring, a slide rod is penetrated inside the sleeve, one end of the slide rod is connected with the middle part of one side of a first magnet, the improved steel structure damage detection device is connected with four brackets of the tower body of the tower crane through a mounting plate, when the steel structure of the tower body of the tower crane is bent and damaged, the mounting plate drives a spring to increase stress to one side, the pressure of a piston to a pressure sensor is increased or decreased by utilizing the cooperation of the slide rod, the connecting rod, a second magnet and the first magnet, the pressure sensor forms a pressure difference, and an alarm is controlled to alarm, so that the monitoring data of the tower body of the tower crane is improved, and the working efficiency and the practicability of equipment are improved.

Description

Tower body steel structure damage detection device of tower crane

Technical Field

The utility model relates to the technical field of steel structure detection, in particular to a device for detecting damage to a steel structure of a tower body of a tower crane.

Background

The tower crane has the functions of bearing the upper load transmitted by the arm support stay rope and the balance arm stay rope, directly transmitting the upper load to the tower body structure through the rotary tower, the rotary table, the bearing seat and other structural components, wherein the self-elevating tower is provided with a truncated cone column type, a forward-inclined or backward-inclined truncated cone column type, a herringbone frame type and an inclined strut type, the balance weight is required to be arranged on all the upper rotary tower machines, the function of the upper rotary tower machines is to support the balance weight to form the balance moment with the opposite direction of the lifting moment in the action required by the design, besides the balance weight, the lifting mechanism is also arranged at the tail part of the balance weight, the lifting mechanism and the balance weight are placed at the tail end of the balance arm together, the part of the balance weight can be exerted, the distance between the rope drum and the tower tip guide wheel is increased, so that the steel wire rope is wound, the rope disorder phenomenon is avoided, the use amount of the balance weight is inversely related to the length of the balance arm, a certain proportion relationship exists between the length of the balance arm and the length of the balance arm, the balance weight is considerable, and the balance weight is generally at least 3-4 t, and the weight is about 30t.

The tower crane is hoisting equipment most commonly used on a building site, the hidden danger that certain damage exists in the steel structure of the tower body of the tower crane can be caused by long-time use, and the steel structure detection device can detect or detect the condition of the tower body of the tower crane in real time, so that the personal safety of staff is ensured, and therefore, the steel structure detection device is indispensable equipment in the detection of the tower body of the tower crane.

The prior patent (publication number: CN 215413589U) discloses a tower crane steel structure flaw detection device, which comprises a bottom plate and a three-jaw chuck, wherein the bottom plate is of a horizontal square plate structure, a base and a connecting plate are fixed on the top end surface of the bottom plate, a first motor is fixed on the base, a bearing is installed in the connecting plate, the output end of the first motor is connected with the three-jaw chuck through the bearing, a steel pipe is clamped in the three-jaw chuck, and a sleeve is sleeved on the steel pipe. In short, the technical scheme of the method utilizes a coherent and compact structure, solves the problems that when the appearance of the tower crane is detected, a worker firstly observes whether the steel pipe is deformed or not, the method can not directly observe slight deformation of the steel pipe by naked eyes, in addition, some workers detect the micro deformation of the steel pipe through tools such as calipers, and when the whole outer wall of the steel pipe is detected, the detection method is long in time consumption and low in detection efficiency. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: 1. the existing tower crane monitoring generally monitors the tower body by manpower at regular intervals, and the manual monitoring needs to monitor the tower body by staff through naked eyes and simple monitoring equipment, so that monitoring data are incorrect, and the working efficiency is low; 2. the existing equipment cannot synchronously monitor four supports of the tower body at the same time, and each support of the tower body needs to be monitored singly through a plurality of devices, so that the labor intensity of workers and the equipment cost are increased.

Disclosure of Invention

The utility model aims to provide a device for detecting damage to a tower body steel structure of a tower crane, which aims to solve the problems that in the prior art, the existing detection of the tower body of the tower crane is usually carried out manually through naked eyes and simple detection equipment, so that detection data are incorrect, the working efficiency is low, the existing equipment cannot synchronously detect four supports of the tower body at the same time, a plurality of devices are needed to detect each support of the tower body, and the labor intensity and the equipment cost of workers are increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tower crane body steel construction damage detection device, includes the box, the four sides fixed mounting of box has two gag levers, two the outside fixed mounting of gag lever levers has solid fixed ring, gu fixed ring's inside runs through there is the sleeve pipe, the sheathed tube inside runs through there is the slide bar, one end of slide bar is connected with one side middle part of first magnetite, and the other end of slide bar is connected with one side middle part of mounting panel, one side fixed mounting of solid fixed ring has the spring, the sleeve pipe is kept away from the one end of slide bar and is run through there is the connecting rod, one end of connecting rod is connected with one side of second magnetite, and the other end of connecting rod is connected with one side middle part of piston, the fluting has been seted up to the inside of box, grooved inside top fixed mounting has pressure sensor, the top fixed mounting of box has the alarm.

Further preferably, the limiting rod, the sleeve and the mounting plate are symmetrical with respect to the vertical center line of the box body.

Further preferably, the inner dimensions of the retaining ring correspond to the outer dimensions of the sleeve.

Further preferably, the internal dimensions of the slot correspond to the external dimensions of the piston.

Further preferably, the mounting plate is connected with the first magnet through a sliding rod.

Further preferably, the second magnet is connected to the piston through a connecting rod.

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

according to the utility model, through the cooperation of the slide bar, the first magnet, the connecting rod, the piston and the pressure sensor, the synchronous steel structure detection or detection of four supports of the tower body of the tower crane is realized, and the repulsive structure between the first magnet and the second magnet is utilized, so that the pressure sensor senses the pressure difference, and the alarm is controlled to give an alarm, so that the detection data of the steel structure detection device to the tower body of the tower crane is greatly improved, and the working efficiency is improved.

According to the utility model, the four supports of the tower body of the tower crane are connected with the detection device through the cooperation of the mounting plate and the spring, when the steel structure of the tower body of the tower crane is bent and damaged, the mounting plate drives the spring to increase stress to one side, so that the pressure sensor works on the sliding rod and the connecting rod to form a pressure difference, the alarm is controlled to be lightened, and the current part of the steel structure of a worker is prompted to be damaged, thereby greatly improving the practicability of the steel structure detection device.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic top view of the internal structure of the present utility model;

fig. 3 is a schematic diagram of the front internal structure of the present utility model.

In the figure: 1. a case; 2. a limit rod; 3. a fixing ring; 4. a sleeve; 5. a slide bar; 6. a first magnet; 7. a mounting plate; 8. a spring; 9. a connecting rod; 10. a second magnet; 11. a piston; 12. slotting; 13. a pressure sensor; 14. an alarm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a tower crane body steel construction damage detection device, which comprises a box body 1, the four sides fixed mounting of box 1 has two gag lever posts 2, the outside fixed mounting of two gag lever posts 2 has solid fixed ring 3, gu the inside of fixed ring 3 is run through there is sleeve pipe 4, the inside of sleeve pipe 4 is run through there is slide bar 5, the one end of slide bar 5 is connected with one side middle part of first magnetite 6, and the other end of slide bar 5 is connected with one side middle part of mounting panel 7, one side fixed mounting of solid fixed ring 3 has spring 8, the one end that slide bar 5 was kept away from to sleeve pipe 4 runs through there is connecting rod 9, one end of connecting rod 9 is connected with one side of second magnetite 10, and the other end of connecting rod 9 is connected with one side middle part of piston 11, fluting 12 has been seted up to the inside of box 1, the inside top fixed mounting of fluting 12 has pressure sensor 13, the top fixed mounting of box 1 has alarm 14.

In this embodiment, as shown in fig. 1 and 2, the spacing rod 2, the sleeve 4 and the mounting plate 7 are symmetrical with respect to the vertical center line of the case 1; the mounting plate 7 is connected with the tower body, so that the detection device can be more stably fixed in the tower body of the tower crane under normal conditions.

In this embodiment, as shown in fig. 1, the inner dimension of the fixing ring 3 coincides with the outer dimension of the sleeve 4; so that the fixation between the sleeve 4 and the case 1 is enhanced in bad weather.

In this embodiment, as shown in fig. 2 and 3, the inner dimension of the slot 12 corresponds to the outer dimension of the piston 11; so that the pressure sensor 13 provides the staff with the information of the damage to the tower body to the alarm 14 through the pressure difference.

In this embodiment, as shown in fig. 2, the mounting plate 7 is connected to the first magnet 6 through the slide bar 5; when the tower body support is damaged or bent, the pressure is pushed to the pressure sensor 13 through the piston 11 by utilizing the cooperation of the slide rod 5 and the first magnet 6.

In this embodiment, as shown in fig. 3, the second magnet 10 is connected to the piston 11 through the connecting rod 9; the connecting rod 9 is pushed by the repulsion between the first magnet 6 and the second magnet 10, so that the pressure sensor 13 transmits detection information to staff through the alarm 14.

The application method and the advantages of the utility model are as follows: when the damage detection device for the steel structure of the tower body of the tower crane is used, the working process is as follows:

as shown in fig. 1, fig. 2 and fig. 3, the tower body steel structure detection device of the tower crane is firstly erected in the tower body, then the mounting plate 7 is fixed with the steel structure of the tower body, the stress in the four sleeves 4 is the same under normal conditions, the positions of the four connecting rods 9 are kept stable, the pressure values of the four pistons 11 to the pressure sensor 13 are the same, when one bracket of the steel structure of the tower body of the tower crane is damaged or bent, the mounting plate 7 forms a pressure in the sleeve 4 to one side, the repulsive structure between the first magnet 6 and the second magnet 10 is utilized, the second magnet 10 drives the connecting rods 9 to push the pistons 11, the pressure of the pressure sensor (model: QDF 70B-JX) 13 is increased while the pistons 11 move, so that a pressure difference is formed in the box 1, and meanwhile, the pressure sensor (model: QDF 70B-JX) 13 controls the alarm (model: YS-bjx 02) 14 to convey information to workers, so that the condition of the current part of the steel structure needs to be repaired, the practicability of the steel structure detection device of the tower body is greatly improved, and the practical use of the steel structure detection device is improved, and the practical device of the steel structure detection device is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tower crane body steel construction damage detection device, includes box (1), its characterized in that: four sides fixed mounting of box (1) has two gag lever posts (2), two the outside fixed mounting of gag lever post (2) has solid fixed ring (3), gu the inside of fixed ring (3) is run through and is had sleeve pipe (4), the inside of sleeve pipe (4) is run through and is had slide bar (5), one end and one side middle part of first magnetite (6) of slide bar (5) are connected, and the other end of slide bar (5) is connected with one side middle part of mounting panel (7), one side fixed mounting of fixed ring (3) has spring (8), one end that slide bar (5) were kept away from to sleeve pipe (4) is run through and is had connecting rod (9), one end of connecting rod (9) is connected with one side middle part of second magnetite (10), and the other end of connecting rod (9) is connected with one side middle part of piston (11), fluting (12) are seted up to the inside of box (1), inside top fixed mounting of fluting (12) has pressure sensor (13), the top fixed mounting of box (1) has alarm (14).

2. The tower crane tower body steel structure damage detection device according to claim 1, wherein: the limiting rod (2), the sleeve (4) and the mounting plate (7) are respectively symmetrical with respect to the vertical center line of the box body (1).

3. The tower crane tower body steel structure damage detection device according to claim 1, wherein: the inner dimensions of the fixing ring (3) correspond to the outer dimensions of the sleeve (4).

4. The tower crane tower body steel structure damage detection device according to claim 1, wherein: the internal dimensions of the slot (12) correspond to the external dimensions of the piston (11).

5. The tower crane tower body steel structure damage detection device according to claim 1, wherein: the mounting plate (7) is connected with the first magnet (6) through the sliding rod (5).

6. The tower crane tower body steel structure damage detection device according to claim 1, wherein: the second magnet (10) is connected with the piston (11) through the connecting rod (9).