CN219585716U - Tower crane detecting door injury-preventing device - Google Patents

Abstract

The utility model discloses a device for preventing a person from hurting a detection door of a tower crane, which comprises a detection box body, a door body arranged at the front end of the detection box body, wherein a lifting mechanism is arranged at one end, close to the door body, of the detection box body, and the door body is opened and closed through the lifting mechanism; the lower end of the door body is provided with a bottom frame, the lower end of the bottom frame is welded with a mounting rod, the mounting rod is hollow, an infrared lamp strip is embedded and mounted in the mounting rod, and the infrared lamp strip does not extend out of the mounting rod; the middle part of chassis upper end is installed and is rotated the seat, rotates the seat and articulates there is the connecting rod, and connecting rod and movable block looks fixed connection. In the using process, the device can effectively reduce the probability of hurting and smashing people of the detection door, provide convenience for using the detection door of the tower crane, and reduce the complexity of operation of the detection box body of the tower crane in the using process.

Description

Tower crane detecting door injury-preventing device

Technical Field

The utility model relates to the technical field of tower crane detection, in particular to a device for preventing people from hurting for a tower crane detection door.

Background

In the design of large-scale tower cranes, an engine, a hydraulic system, an electrical system, a control system and the like are arranged in a concentrated manner nearby to form an independent closed unit-power system. Meanwhile, due to the structural requirement of the tower crane, the power system is often positioned at the upper part of the tower crane. During use, the work that needs to be performed frequently includes: fueling and fueling of the engine; component adjustment and performance debugging of the hydraulic system; the detection and debugging of the electrical system and the like are performed in a state where a detection door specially provided on the closed casing is opened.

If the detection door is not controlled, the automatic falling of the detection door is closed, which can lead to the phenomena of extrusion, injury and collision of detection personnel, in the prior art, the detection door is connected through the set cylinder, so that the opening and closing of the detection door are controlled, but when the detection door is in a power-off state, the control of the detection door cannot be completed, and the use is inconvenient.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a device for preventing people from hurting a detection door of a tower crane.

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

the device comprises a detection box body, a door body arranged at the front end of the detection box body, wherein a lifting mechanism is arranged at one end, close to the door body, of the detection box body, and the door body is opened and closed through the lifting mechanism; the lower end of the door body is provided with a bottom frame, the lower end of the bottom frame is welded with a mounting rod, the mounting rod is hollow and internally embedded with an infrared lamp strip, and the infrared lamp strip does not extend out of the mounting rod; the middle part of chassis upper end is installed and is rotated the seat, it has the connecting rod to articulate on the seat to rotate, the connecting rod is fixed connection mutually with the movable block.

Preferably, the lifting mechanism comprises a rail frame and a motor, wherein the rail frame is arranged on two sides of the front end of the detection box body, a rail groove is formed in the rail frame, a sliding rail rod is arranged on the rail frame through the rail groove, and the two sliding rail rods are fixedly connected with the door body.

Preferably, limiting plates are arranged at the upper end and the lower end of the outer portion of one sliding rail rod, a screw rod is jointly arranged between the limiting plates, a moving block is arranged at the output end of the motor, and the moving block is slidably arranged outside the screw rod.

Preferably, the connecting rod is in a T shape, and one side of the connecting rod in a vertical shape is connected with the moving block.

Preferably, the connecting part of the connecting rod and the moving block is connected through a pin, and the connecting rod can swing through the rotating seat.

Preferably, a handle is arranged in the middle of the upper end of the outer surface of the underframe for manual opening of the door body.

The device for preventing the human hurt of the detection door of the tower crane has the beneficial effects that:

the traditional cylinder can not drive the movable block to realize reciprocating outside the lead screw, and the infrared lamp strip is in the starting state this moment, and can be in the scanning of door body below through the object in real time, when the infrared ray that the infrared lamp strip sent is sheltered from to the moving object or object appears, the stand-by power supply can be connected promptly automatically to the motor, opens automatically after receiving the signal that the infrared lamp strip sent to drive the door body and upwards remove, prevent that the door body from injuring the phenomenon of passing personnel from appearing.

Drawings

Fig. 1 is a schematic structural diagram of a device for preventing injury to a person of a detection door of a tower crane;

fig. 2 is a bottom view of the inspection door injury prevention device of the tower crane according to the present utility model;

fig. 3 is a schematic structural view of a door body of the tower crane detection door injury prevention device provided by the utility model;

fig. 4 is a schematic diagram illustrating the removal of the connecting rod of the anti-injury device of the inspection door of the tower crane.

In the figure: 1. detecting a box body; 2. a rail frame; 3. a screw rod; 4. a limiting plate; 5. a motor; 6. a moving block; 7. a connecting rod; 8. a door body; 9. a chassis; 10. a mounting rod; 11. a slide rail rod; 12. an infrared light bar; 13. a handle; 14. and a rotating seat.

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. 1-4, a device for preventing a person from hurting a detection door of a tower crane comprises a detection box body 1, a door body 8 arranged at the front end of the detection box body 1, wherein a lifting mechanism is arranged at one end, close to the door body 8, of the detection box body 1, and the door body 8 is opened and closed through the lifting mechanism; the lower end of the door body 8 is provided with a bottom frame 9, the lower end of the bottom frame 9 is welded with a mounting rod 10, the mounting rod 10 is hollow, an infrared lamp strip 12 is embedded and mounted in the mounting rod 10, and the infrared lamp strip 12 does not extend out of the mounting rod 10; the middle part of the upper end of the underframe 9 is provided with a rotating seat 14, the rotating seat 14 is hinged with a connecting rod 7, and the connecting rod 7 is fixedly connected with the moving block 6.

When in use, the utility model is characterized in that: when the outage condition appears, traditional cylinder can't drive movable block 6 and realize reciprocating outside lead screw 4 this moment, and infrared lamp strip 12 is in the start-up state this moment, and can be in the scanning of door body 8 below through the object in real time, when the infrared ray that infrared lamp strip 12 sent appears being sheltered from to the moving object or object, the stand-by power supply can be connected automatically to motor 5 promptly, opens automatically after receiving the signal that infrared lamp strip 12 sent to drive door body 8 and upwards remove.

The lifting mechanism comprises a rail frame 2 and a motor 5, wherein the rail frame 2 is arranged on two sides of the front end of the detection box body 1, a rail groove is formed in the rail frame 2, a sliding rail rod 11 is arranged on the rail frame 2 through the rail groove, and the two sliding rail rods 11 are fixedly connected with the door body 8.

Limiting plates 4 are arranged at the upper end and the lower end of the outer portion of one sliding rail rod 11, screw rods 3 are arranged between the limiting plates 4 together, a moving block 6 is arranged at the output end of a motor 5, and the moving block 6 is slidably arranged outside the screw rods 3.

The connecting rod 7 is T-shaped, one side of the connecting rod 7 which is vertical is connected with the moving block 6, the connecting part of the connecting rod 7 and the moving block 6 is connected through a pin, the connecting rod 7 can swing through the rotating seat 14, and the handle 13 is arranged in the middle of the upper end of the outer surface of the underframe 9 and used for manually opening the door body 8.

The use principle and the advantages are that: when the device is used, when a power-off condition occurs, the traditional air cylinder cannot drive the movable block 6 to move up and down outside the screw rod 4, the infrared lamp strip 12 is in a starting state, and can scan objects under the door body 8 in real time, when a movable object or an object shields infrared rays emitted by the infrared lamp strip 12, namely, the motor 5 can be automatically connected with a standby power supply, the device is automatically started after receiving signals emitted by the infrared lamp strip 12, and drives the door body 8 to move upwards, so that the phenomenon that the door body 8 is crushed to hurt passing personnel is prevented;

if the standby power supply connected with the motor 5 cannot be used, the door body 8 is manually moved to the upper side by pulling out the pin between the connecting moving block 6 and the connecting rod 7, so that the door body 8 is prevented from falling freely to hurt people;

to sum up: the device can effectually reduce the probability that detects the door and hurt the people, smash the people, and provides the use convenience of tower crane detection door, reduces the degree of complexity of operation of tower crane detection box in the use.

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 (6)

1. The device for preventing the human injury of the detection door of the tower crane is characterized by comprising a detection box body (1), and a door body (8) arranged at the front end of the detection box body (1), wherein a lifting mechanism is arranged at one end, close to the door body (8), of the detection box body (1), and the door body (8) is opened and closed through the lifting mechanism; the door comprises a door body (8), wherein a bottom frame (9) is arranged at the lower end of the door body (8), a mounting rod (10) is welded at the lower end of the bottom frame (9), the mounting rod (10) is hollow, an infrared lamp strip (12) is embedded and arranged in the mounting rod, and the infrared lamp strip (12) does not extend out of the mounting rod (10); the middle part of chassis (9) upper end is installed and is rotated seat (14), it has connecting rod (7) to articulate on seat (14), connecting rod (7) are fixed connection mutually with movable block (6).

2. The device for preventing people from hurting a detection door of a tower crane according to claim 1, wherein the lifting mechanism comprises a rail frame (2) and a motor (5), the rail frame (2) is arranged on two sides of the front end of the detection box body (1), a rail groove is formed in the rail frame (2), a sliding rail rod (11) is arranged on the rail frame (2) through the rail groove, and the two sliding rail rods (11) are fixedly connected with the door body (8).

3. The device for preventing injury to people of the tower crane detection door according to claim 2, wherein limiting plates (4) are mounted at the upper end and the lower end of the outer portion of one sliding rail rod (11), screw rods (3) are mounted between the limiting plates (4) together, a moving block (6) is mounted at the output end of the motor (5), and the moving block (6) is mounted outside the screw rods (3) in a sliding mode.

4. The device for preventing injury to a tower crane detection door according to claim 1, wherein the connecting rod (7) is in a shape of a T, and one side of the connecting rod (7) in a vertical shape is connected with the moving block (6).

5. The device for preventing injury to a tower crane detection door according to claim 1, wherein the connection part of the connecting rod (7) and the moving block (6) is connected through a pin, and the connecting rod (7) can swing through a rotating seat (14).

6. The device for preventing injury to a tower crane detection door according to claim 1, wherein a handle (13) is installed in the middle of the upper end of the outer surface of the chassis (9) for manual opening of the door body (8).