CN219585715U

CN219585715U - Detection device for tower crane

Info

Publication number: CN219585715U
Application number: CN202320503465.3U
Authority: CN
Inventors: 徐律; 杨清平; 俞宏智; 袁泽辉; 孟祥忱
Original assignee: Zhejiang Provincial Construction Engineering Quality Inspection Station Co ltd
Current assignee: Zhejiang Provincial Construction Engineering Quality Inspection Station Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-25
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a detection device for a tower crane, which comprises a main detector, an auxiliary detector and a receiver, wherein the main detector, the auxiliary detector and the receiver form an L shape; infrared transmitters are arranged on the main detector and the auxiliary detector; the receiver is provided with a receiving screen, and the angle between the infrared rays emitted by the emitting end of the infrared emitter and the receiving screen is 45 degrees. In the using process, the verticality detection device of the tower crane can determine whether the tower crane is in a vertical state or not in real time according to the angles among the tower body, the base and the movable arm, can effectively realize timely alarm for the non-vertical phenomenon of the tower crane, and reduces the occurrence rate of safety accidents.

Description

Detection device for tower crane

Technical Field

The utility model relates to the technical field of tower crane detection, in particular to a detection device for a tower crane.

Background

In daily construction engineering, the verticality of buildings, structures, construction elevators, tower cranes and the like is often measured to ensure the safety of construction, and in the construction process, the theodolite improves the observation precision of angles, simplifies the measuring and calculating processes and provides more accurate data, so the theodolite is selected as an instrument for measuring the verticality of the tower crane.

However, in the actual construction process, the perpendicularity of the tower crane cannot be detected in real time by using the theodolite due to the limitation of the field, and the perpendicularity cannot be detected timely and accurately due to the fact that the constructor is busy during the construction period, so that potential safety hazards exist in the tower crane, and improvement is needed. For this purpose, we propose a detection device for a tower crane.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a detection device for a tower crane.

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

the detection device for the tower crane comprises a main detector, an auxiliary detector and a receiver, wherein the main detector, the auxiliary detector and the receiver form an L shape; infrared transmitters are arranged on the main detector and the auxiliary detector; the receiver is provided with a receiving screen, and the angle between the infrared rays emitted by the emitting end of the infrared emitter and the receiving screen is 45 degrees.

Preferably, the main detector and the auxiliary detector comprise a lower buckle, an upper buckle and a connecting bolt, both ends of the lower buckle and both ends of the upper buckle are straight strips, and the lower buckle and the upper buckle are connected through the connecting bolt.

Preferably, an elastic ring is inserted and arranged between the lower buckle and the upper buckle at intervals, and the elastic ring is a foam ring.

Preferably, the outer end of the lower buckle is provided with an installation box, the installation box is flush with the lower buckle, and the infrared transmitter is embedded and installed in the middle of the lower end of the installation box.

Preferably, the receiver comprises a mounting cylinder and a fixing frame, wherein the mounting cylinder is a hollow rod body, the mounting cylinder is tangentially connected with the fixing frame, and the receiving screen is arranged in the middle of one side of the fixing frame far away from the mounting cylinder.

The detection device for the tower crane has the beneficial effects that:

the infrared light emitted by the infrared emitters on the main detector and the auxiliary detector can be directly irradiated on the receiving screen on the receiver, if the phenomenon that two infrared light received by the receiving screen are not coincident or at least one of the two infrared light does not appear in the receiving screen occurs, the movable arm, the tower body and the base corresponding to the main detector and the auxiliary detector are not in the vertical state, namely, an alarm sound is emitted, and constructors are reminded to correct in time so as to avoid safety accidents.

Drawings

FIG. 1 is a schematic diagram of a detection device for a tower crane according to the present utility model;

FIG. 2 is a schematic plan view of a detection apparatus for a tower crane according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the detector of the detecting device for the tower crane according to the present utility model;

fig. 4 is a schematic structural diagram of a receiver of a detection device for a tower crane according to the present utility model.

In the figure: 1. a main detector; 11. a lower buckle; 12. an upper buckle; 13. a connecting bolt; 14. a mounting box; 15. an elastic ring; 16. an infrared emitter; 2. a sub detector; 3. a receiver; 31. a mounting cylinder; 32. a fixing frame; 33. and receiving a screen.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 4, a detecting device for a tower crane includes a main detector 1, a sub detector 2 and a receiver 3, the main detector 1, the sub detector 2 and the receiver 3 forming an "L" shape; the main detector 1 and the auxiliary detector 2 are provided with infrared emitters 16; the receiver 3 is provided with a receiving screen 33, and the angle between the infrared rays emitted by the emitting end of the infrared emitter 16 and the receiving screen 33 is 45 degrees.

The main detector 1 and the auxiliary detector 2 comprise a lower buckle 11, an upper buckle 12 and a connecting bolt 13, the two ends of the lower buckle 11 and the upper buckle 12 are straight strips, the lower buckle 11 and the upper buckle 12 are connected through the connecting bolt 13, an elastic ring 15 is inserted and installed between the lower buckle 11 and the upper buckle 12 at intervals, the elastic ring 15 is a foam ring, and through the arrangement, the stability of the main detector 1 and the auxiliary detector 2, which are connected with a movable arm and a base, can be effectively improved, and the slipping phenomenon caused after connection is avoided.

The outer end of the lower buckle 11 is provided with a mounting box 14, the mounting box 14 is flush with the lower buckle 11, and an infrared emitter 16 is embedded in the middle of the lower end of the mounting box 14.

The receiver 3 comprises a mounting cylinder 31 and a fixing frame 32, wherein the mounting cylinder 31 is a hollow rod body, the mounting cylinder 31 is tangentially connected with the fixing frame 32, and the receiving screen 33 is arranged in the middle of one side of the fixing frame 32 away from the mounting cylinder 31.

The use principle and the advantages are that: the method comprises the steps of respectively installing a main detector 1 at the tail end of a movable arm of a tower crane, installing an auxiliary detector 2 around the upper part of a base close to a tower body, installing a receiver 3 at the joint of the movable arm of the tower crane and the tower body, and setting the angles among the main detector 1, the auxiliary detector 2 and the receiver 3 to be 45 degrees;

the infrared light emitted by the infrared emitters 16 on the main detector 1 and the auxiliary detector 2 can be directly emitted to the receiving screen 33 on the receiver 3, if the two infrared light received by the receiving screen 33 are misaligned or at least one of the two infrared light does not appear in the receiving screen 33, the phenomenon that the movable arms corresponding to the main detector 1 and the auxiliary detector 2 are not vertical to the tower body and the base respectively is proved, namely an alarm sound is emitted, and constructors are reminded to correct in time so as to avoid safety accidents;

to sum up: the verticality detection device of the tower crane can determine whether the tower crane is in a vertical state according to the angles among the tower body, the base and the movable arm in real time in the use process, can effectively realize timely alarm of non-vertical phenomenon of the tower crane, and reduces the occurrence rate of safety accidents.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The detection device for the tower crane is characterized by comprising a main detector (1), a secondary detector (2) and a receiver (3), wherein the main detector (1), the secondary detector (2) and the receiver (3) form an L shape; the main detector (1) and the auxiliary detector (2) are provided with infrared transmitters (16); the receiver (3) is provided with a receiving screen (33), and the angle between the infrared rays emitted by the emitting end of the infrared emitter (16) and the receiving screen (33) is 45 degrees.

2. The detection device for the tower crane according to claim 1, wherein the main detector (1) and the auxiliary detector (2) comprise a lower buckle (11), an upper buckle (12) and a connecting bolt (13), two ends of the lower buckle (11) and the upper buckle (12) are straight strips, and the lower buckle (11) and the upper buckle (12) are connected through the connecting bolt (13).

3. The detection device for the tower crane according to claim 2, wherein an elastic ring (15) is inserted and installed between the lower buckle (11) and the upper buckle (12), and the elastic ring (15) is a foam ring.

4. The detection device for the tower crane according to claim 2, wherein the outer end of the lower buckle (11) is provided with a mounting box (14), the mounting box (14) is flush with the lower buckle (11), and the infrared emitter (16) is embedded and mounted in the middle of the lower end of the mounting box (14).

5. The detection device for the tower crane according to claim 1, wherein the receiver (3) comprises a mounting cylinder (31) and a fixing frame (32), the mounting cylinder (31) is a hollow rod body, the mounting cylinder (31) is tangentially connected with the fixing frame (32), and the receiving screen (33) is mounted in the middle of one side of the fixing frame (32) far away from the mounting cylinder (31).