Omnibearing alarm device of bridge crane

Abstract

The utility model discloses an omnibearing alarm device of a bridge crane, relates to the field of crane alarm, and solves the technical problem that the warning range of a warning system of the existing bridge crane is limited. The device comprises a controller, iron plates and an alarm, the iron plates are installed above the two sides of an end beam of the bridge crane, each iron plate is provided with a kidney-shaped hole, a cross rod is connected in each kidney-shaped hole, the alarm is installed on a sliding structure, and the sliding structure is movably installed on the cross rod; the iron plate is provided with a driving mechanism used for driving the alarm to move, and the alarm and the driving mechanism are both connected with the controller. According to the utility model, the warning range can be enlarged, when vehicles come from the two sides of the bridge crane, operation drivers of the vehicles coming from the two sides can be reminded to avoid each other and slow down, the two vehicles are prevented from colliding with each other to the greatest extent, and the personal safety and the equipment safety are ensured.

Description

Technical Field

[0001] The utility model relates to the field of crane alarms, and more specifically, to an all-round alarm device for a bridge crane. Background Art

[0002] The traditional bridge crane warning system consists of a built-in sound and light alarm device and a foot-operated electric bell warning system. It can meet the warning requirements when the site is open and there is little personnel movement on the ground. However, in the production site with loud noise and noisy environment, relying solely on the built-in warning system often cannot meet the warning requirements. When the on-site environmental noise is loud, the warning sound of the built-in warning system is transmitted downward and cannot spread to both sides. There is no good reminder effect between the bridge cranes, which can easily cause accidents of bridge cranes colliding with each other. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an all-round alarm device for a bridge crane in view of the deficiencies in the prior art, so as to solve the technical problem that the warning range of the warning system provided by the existing bridge crane is limited.

[0004] The utility model discloses an all-round alarm device for a bridge crane, which comprises a controller, an iron plate and an alarm. The iron plates are installed above both sides of the end beam of the bridge crane, a waist-shaped hole is provided on the iron plates, a cross bar is connected in the waist-shaped hole, the alarm is installed on a sliding structure, and the sliding structure is movably installed on the cross bar;

[0005] The iron plate is provided with a driving mechanism for driving the alarm to move, and both the alarm and the driving mechanism are connected to a controller.

[0006] As a further improvement, the sliding structure includes a first circular plate, a second circular plate and a hollow tube, the diameters of the first circular plate and the second circular plate are both larger than the width of the waist-shaped hole, the hollow tube is movably sleeved on the cross bar, the first circular plate is fixedly connected to the second circular plate through the hollow tube, a positioning gap is provided between the first circular plate and the second circular plate, the iron plate is located in the positioning gap, the alarm is mounted on the first circular plate, and the second circular plate is fixedly connected to a square plate.

[0007] Furthermore, the driving mechanism includes a conveyor belt, a driven roller, an active roller and a motor, the square plate is installed on the conveyor belt, the driven roller is rotatably installed on one side of the iron plate, the active roller is rotatably installed on the other side of the iron plate, and the active roller and the driven roller are both rotatably connected to the conveyor belt, the active roller is fixedly connected to the driving end of the motor, the input end of the motor is connected to the first output end of the controller through the motor controller, and the input end of the alarm is connected to the second output end of the controller.

[0008] Furthermore, a first photoelectric sensor is installed on the side of the iron plate close to the driven roller, and a second photoelectric sensor is installed on the side of the iron plate close to the active roller;

[0009] The signal output terminal of the first photoelectric sensor is electrically connected to the first input terminal of the controller, and the signal output terminal of the second photoelectric sensor is electrically connected to the second input terminal of the controller.

[0010] Furthermore, infrared sensors are installed on both sides of the iron plate at the bottom of the alarm, and the input ends of the infrared sensors are connected to the third input end of the controller.

[0011] Beneficial Effects

[0012] The advantages of the utility model are:

[0013] The present invention is provided with a controller, an iron plate, an infrared sensor, a photoelectric sensor and an alarm. The alarm is movably installed on the cross bar of the iron plate through a sliding structure. A driving mechanism that can drive the alarm to move is installed on the iron plate, so that the alarm can move back and forth on the iron plate to increase the warning range. When vehicles come from both sides of the bridge crane, the alarm can be used to remind the operators of the vehicles on both sides to avoid each other, slow down and drive slowly, thereby avoiding collision between the two vehicles to the greatest extent, which is beneficial to ensuring the safety of people and equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the installation diagram of the iron plate on the end beam of the bridge lift;

[0015] Figure 2 It is a front view of the omnidirectional alarm device of the utility model;

[0016] Figure 3 It is a rear view of the omnidirectional alarm device of the utility model;

[0017] Figure 4 for Figure 3 Cross-sectional view along the A direction.

[0018] Among them: 1-iron plate, 2-alarm, 3-cross bar, 4-infrared sensor, 5-waist-shaped hole, 6-first circular plate, 7-square plate, 8-driven roller, 9-first photoelectric sensor, 10-second photoelectric sensor, 11-conveyor belt, 12-active roller, 13-hollow tube, 14-second circular plate, 15-end beam of bridge crane. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the embodiments, but does not constitute any limitation to the utility model. Any limited modifications made by anyone within the scope of the claims of the utility model are still within the scope of the claims of the utility model.

[0020] See also Figure 1-Figure 4 The utility model is a omnidirectional alarm device for a bridge crane, which includes a controller, an iron plate 1 and an alarm 2. Figure 1 It can be seen that an iron plate 1 is installed above both sides of the end beam 15 of the bridge crane, a waist-shaped hole 5 is provided on the iron plate 1, a crossbar 3 is connected to the waist-shaped hole 5, and an alarm 2 is installed on a sliding structure, and the sliding structure is movably installed on the crossbar 3. The size of the iron plate 1 is 300mm*200mm, and the iron plate 1 plays a fixing role. The alarm 2 is used to sound an alarm to remind vehicles coming from both sides.

[0021] A driving mechanism for driving the alarm 2 is installed on the side of the iron plate 1 facing the bridge crane and the end beam 15. The alarm 2 and the driving mechanism are both connected to the controller to move the alarm 2 to increase the warning range. The alarm 2 is connected to the controller via a cable with a specification of 2*2mm.

[0022] The sliding structure includes a first circular plate 6, a second circular plate 14 and a hollow tube 13. The diameters of the first circular plate 6 and the second circular plate 14 are both larger than the width of the waist-shaped hole 5. The hollow tube 13 is movably sleeved on the crossbar 3. The first circular plate 6 is fixedly connected to the second circular plate 14 through the hollow tube 13. A positioning gap is provided between the first circular plate 6 and the second circular plate 14. The iron plate 1 is located in the positioning gap to ensure that the alarm 2 moves stably on the iron plate 1. The alarm 2 is mounted on the first circular plate 6. The second circular plate 14 is fixedly connected to a square plate 7. The sliding structure can make the alarm 2 move back and forth and ensure that the alarm 2 only moves back and forth on the iron plate 1.

[0023] The driving mechanism includes a conveyor belt 11, a driven roller 8, an active roller 12 and a motor. The square plate 7 is installed on the conveyor belt 11, and the alarm 2 installed on the sliding structure moves on the conveyor belt 11. The driven roller 8 is rotatably installed on one side of the iron plate 1, and the active roller 12 is rotatably installed on the other side of the iron plate 1. The driven roller 8 and the active roller 12 are both rotatably connected to the conveyor belt 11, and the active roller 12 is connected to the driving end of the motor. The active roller 12 provides power for the rotation of the conveyor belt 11. The input end of the alarm 2 is connected to the second output end of the controller. The movement of the alarm 2 is driven by the driving mechanism.

[0024] A first photoelectric sensor 9 is installed on the side of the iron plate 1 close to the driven roller 8, and a second photoelectric sensor 10 is installed on the side of the iron plate 1 close to the active roller 12. Both photoelectric sensors detect the square plate 7.

[0025] The signal output end of the first photoelectric sensor 9 is electrically connected to the first input end of the controller, the signal output end of the second photoelectric sensor 10 is electrically connected to the second input end of the controller, the input end of the motor is connected to the first output end of the controller through the motor controller, and the input end of the alarm 2 is connected to the second output end of the controller.

[0026] When the square plate 7 moves to the signal transmitting end of the first photoelectric sensor 9, the signal output end of the first photoelectric sensor 9 inputs a detection signal to the first input end of the controller, and the controller sends a reverse signal to the motor through the motor controller; when the square plate 7 moves to the signal transmitting end of the second photoelectric sensor 10, the signal output end of the second photoelectric sensor 10 inputs a detection signal to the second input end of the controller, and the controller sends a forward signal to the motor through the motor controller.

[0027] Infrared sensors 4 are installed on both sides of the bottom of the iron plate 1 on one side of the alarm 2, and the input ends of the infrared sensors 4 are connected to the third input end of the controller. When the infrared sensor 4 detects that an object is approaching the bridge crane, the infrared sensor 4 inputs a warning signal to the controller.

[0028] The infrared sensor and the photoelectric sensor in the utility model are both existing technologies, and the utility model does not improve them.

[0029] The working principle of the utility model is:

[0030] Turn on the power of the motor and the controller. When an object approaches the detection range of the infrared sensor 4, the infrared sensor 4 inputs a warning signal to the controller, and the controller controls the motor to start. At the same time, the controller controls the alarm 2 to sound an alarm.

[0031] After the motor is started, the conveyor belt 11 will be driven to move the alarm 2 and the sliding structure. When the square plate 7 blocks the signal transmitting end of the first photoelectric sensor 9 or the signal transmitting end of the second photoelectric sensor 10, the first photoelectric sensor 9 or the second photoelectric sensor 10 will generate an electrical signal to the controller. After receiving the electrical signal, the controller will control the motor to reverse, so that the alarm 2 can move back and forth on the iron plate 1, increasing the warning range. When vehicles come from both sides of the bridge crane, the alarm can be used to remind the drivers of the vehicles on both sides to avoid each other, slow down and drive slowly, and avoid collision between the two vehicles to the greatest extent, which is conducive to ensuring the safety of people and equipment.

[0032] When no object approaches the detection range of the infrared sensor 4, the infrared sensor 4 does not input a signal to the controller, the controller does not operate, and the alarm 2 does not sound an alarm.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An all-round alarm device for a bridge crane, characterized in that: It comprises a controller, an iron plate (1) and an alarm (2). The iron plates (1) are installed above both sides of the end beam (15) of the bridge crane. A waist-shaped hole (5) is provided on the iron plate (1). A crossbar (3) is connected to the waist-shaped hole (5). The alarm (2) is installed on a sliding structure. The sliding structure is movably installed on the crossbar (3). The iron plate (1) is provided with a driving mechanism for driving the alarm (2) to move, and both the alarm (2) and the driving mechanism are connected to a controller.

2. The all-round alarm device for a bridge crane according to claim 1, characterized in that: The sliding structure comprises a first circular plate (6), a second circular plate (14) and a hollow tube (13); the diameters of the first circular plate (6) and the second circular plate (14) are both larger than the width of the waist-shaped hole (5); the hollow tube (13) is movably sleeved on the cross bar (3); the first circular plate (6) is fixedly connected to the second circular plate (14) via the hollow tube (13); a positioning gap is provided between the first circular plate (6) and the second circular plate (14); the iron plate (1) is located in the positioning gap; the alarm (2) is mounted on the first circular plate (6); and the second circular plate (14) is fixedly connected to a square plate (7).

3. The all-round alarm device for a bridge crane according to claim 2, characterized in that: The driving mechanism comprises a conveyor belt (11), a driven roller (8), a driving roller (12) and a motor, wherein the square plate (7) is mounted on the conveyor belt (11), the driven roller (8) is rotatably mounted on one side of the iron plate (1), and the driving roller (12) is rotatably mounted on the other side of the iron plate (1), and the driving roller (12) and the driven roller (8) are both rotatably connected to the conveyor belt (11), the driving roller (12) is fixedly connected to the driving end of the motor, the input end of the motor is connected to the first output end of the controller through the motor controller, and the input end of the alarm (2) is connected to the second output end of the controller.

4. The all-round alarm device for a bridge crane according to claim 3, characterized in that: A first photoelectric sensor (9) is installed on the side of the iron plate (1) close to the driven roller (8), and a second photoelectric sensor (10) is installed on the side of the iron plate (1) close to the active roller (12); The signal output end of the first photoelectric sensor (9) is electrically connected to the first input end of the controller, and the signal output end of the second photoelectric sensor (10) is electrically connected to the second input end of the controller.

5. The all-round alarm device for a bridge crane according to claim 1, characterized in that: Infrared sensors (4) are installed on both sides of the iron plate (1) located at the bottom of the alarm (2), and the input ends of the infrared sensors (4) are connected to the third input end of the controller.

Images