Working warning device of bridge girder erection machine

Abstract

The utility model discloses a bridge girder erection machine work warning device which comprises a shell, grooves are formed in the front face of the shell and the two sides of the shell, two sets of first mounting plates are slidably connected into the grooves formed in the front face of the shell, and second mounting plates are slidably connected into the grooves formed in the two sides of the shell. Human body proximity sensors are mounted on the second mounting plate and the first mounting plate, LED light-emitting tubes are fixedly mounted on the two sides of the lower portion, located on the front face, of the shell, and an audible and visual alarm is fixedly mounted on the surface of the top of the shell. According to the working warning device for the bridge girder erection machine, by arranging the threaded rod, the mounting plates, the human body proximity sensors and the like, people entering a dangerous area of the bridge girder erection machine can be recognized through the human body proximity sensors mounted on the first mounting plate and the second mounting plate, and then an alarm can be given through the audible and visual alarm; related personnel are reminded to rapidly leave a dangerous area, and dangerous situations are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge erecting machine working warning, in particular to a bridge erecting machine working warning device. Background Technique

[0002] A bridge erecting machine is a device that places prefabricated beam slabs onto prefabricated bridge piers. The bridge erecting machine belongs to the category of cranes. Because its main function is to lift the beam slabs and then place them after transporting to the position, therefore, when the bridge erecting machine is working, it is strictly prohibited for people to stand under the bridge erecting machine, otherwise dangerous things may happen. Generally, relevant personnel are on duty to prevent other people from entering the dangerous area. However, there may be cases of negligence through the duty of the on-duty personnel, allowing other people to enter the dangerous area. Moreover, often the people who enter the dangerous area do not know it themselves and may even have a staying action, further increasing the occurrence of dangerous situations. For this reason, we have proposed a bridge erecting machine working warning device to carry out warning work and timely remind people to prevent dangerous things from happening. Content of the Utility Model

[0003] The purpose of the utility model is to provide a bridge erecting machine working warning device for the deficiencies of the prior art to solve the problems raised in the background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A bridge erecting machine working warning device, including a housing. Grooves are opened on the front and both sides of the housing. Two groups of first mounting plates are slidably connected in the grooves opened on the front of the housing. Second mounting plates are slidably connected in the grooves opened on both sides of the housing. Human proximity sensors are installed on both the second mounting plates and the first mounting plates. LED light-emitting tubes are fixedly installed on both lower sides of the front of the housing. An audible and visual alarm is fixedly installed on the top surface of the housing.

[0005] As a preferred technical solution of the utility model, one inner wall of the groove opened on the front of the housing is rotatably connected with a second threaded rod that penetrates through the two first mounting plates and extends to the outside of the housing, and a handwheel is installed at one end of the second threaded rod located outside the housing.

[0006] As a preferred technical solution of the utility model, the threads provided on the outer circumferences on both sides of the second threaded rod are arranged in opposite directions, and threaded holes matching the second threaded rod are opened on both of the first mounting plates.

[0007] As a preferred technical solution of the utility model, one inner wall of each of the grooves opened on both sides of the housing is rotatably connected with a first threaded rod that penetrates through the second mounting plate. A rotating plate is installed on the outer circumferences of one side of the first threaded rod, and anti-slip lines are provided on the outer circumferences of the rotating plate.

[0008] As a preferred technical solution of the present utility model, a threaded hole is provided on the second mounting plate, and the threaded hole is matched with the first threaded rod.

[0009] As a preferred technical solution of the present utility model, one side of the back surface of the housing is inclined, and an operation screen is installed on the inclined surface. A mounting seat is fixedly installed at the bottom of the housing, and the mounting seat is fixedly installed with a support plate through bolts. A threaded support rod is welded to the bottom of the support plate, and a bracket matching the outer ring of the threaded support rod is provided.

[0010] As a preferred technical solution of the present utility model, a PLC controller is installed in the housing, and the PLC controller is electrically connected to a human body proximity sensor, an audible and visual alarm, and an LED light-emitting tube. A storage battery is also installed inside the housing, and the storage battery is electrically connected to the PLC controller. The operation screen is electrically connected to the PLC controller.

[0011] Compared with the prior art, the present utility model provides a working warning device for a bridge erection machine, which has the following beneficial effects:

[0012] For the working warning device of the bridge erection machine, by setting a threaded rod, a mounting plate, a human body proximity sensor, etc., the hand wheel can be rotated, and the human body proximity sensor installed on the first mounting plate can be driven by the second threaded rod to move to a suitable position. At the same time, the rotating plate can be rotated, and then the human body proximity sensor installed on the second mounting plate can be driven by the first threaded rod to move to the corresponding position. The human body proximity sensors installed on the first mounting plate and the second mounting plate can identify people entering the dangerous area of the bridge erection machine, and then the audible and visual alarm can be used for alarm to remind relevant personnel to quickly leave the dangerous area, avoiding dangerous situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a front structural schematic diagram of the present utility model;

[0014] Figure 2 is a back structural schematic diagram of the present utility model;

[0015] Figure 3 is a structural schematic diagram of the second threaded rod of the present utility model.

[0016] Reference numerals: 1, housing; 2, mounting seat; 3, bracket; 4, threaded support rod; 5, LED light-emitting tube; 6, human body proximity sensor; 7, first mounting plate; 8, first threaded rod; 9, rotating plate; 10, second mounting plate; 11, audible and visual alarm; 12, second threaded rod; 13, hand wheel; 14, operation screen. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1-3 , in this embodiment: A working warning device for a bridge erector includes a housing 1. Grooves are provided on the front surface and both sides of the housing 1. Two groups of first mounting plates 7 are slidably connected in the grooves provided on the front surface of the housing 1. Second mounting plates 10 are slidably connected in the grooves provided on both sides of the housing 1. Human proximity sensors 6 are installed on both the second mounting plates 10 and the first mounting plates 7, which can sense approaching people. LED light-emitting tubes 5 are fixedly installed on both lower sides of the front surface of the housing 1, which can provide lighting functions for corresponding places. An audible and visual alarm 11 is fixedly installed on the top surface of the housing 1, which can give an audible and visual alarm.

[0019] In this embodiment, one inner wall of the groove provided on the front surface of the housing 1 is rotatably connected to a second threaded rod 12 that penetrates through the two first mounting plates 7 and extends to the outside of the housing 1. A handwheel 13 is installed at one end of the second threaded rod 12 located outside the housing 1. Rotating the handwheel 13 can drive the second threaded rod 12 to rotate. The threads provided on the outer circles of both sides of the second threaded rod 12 are arranged in opposite directions. Threaded holes matching the second threaded rod 12 are provided on both first mounting plates 7, which can cause the two first mounting plates 7 to move towards the middle or move towards both sides at the same time. One inner wall of the groove provided on both sides of the housing 1 is rotatably connected to a first threaded rod 8 that penetrates through the second mounting plate 10. A rotating plate 9 is installed on the outer circle of one side of the first threaded rod 8. Rotating the rotating plate 9 can cause the first threaded rod 8 to rotate. The outer circle of the rotating plate 9 is provided with anti-slip lines, which can facilitate the rotation of the rotating plate 9. A threaded hole is provided on the second mounting plate 10, and this threaded hole matches the first threaded rod 8. When the first threaded rod 8 rotates, the second mounting plate 10 can be moved. One side of the back surface of the housing 1 is inclined, and an operation screen 14 is installed on the inclined surface. A mounting seat 2 is fixedly installed at the bottom of the housing 1, and the mounting seat 2 is fixedly installed with a support plate by bolts. A threaded support rod 4 is welded to the bottom of the support plate, and a bracket 3 matching the outer circle of the threaded support rod 4 is provided, which can play a supporting role for the housing 1. A PLC controller is installed in the housing 1, and the PLC controller is electrically connected to the human proximity sensors 6, the audible and visual alarm 11, and the LED light-emitting tubes 5. A storage battery is also installed inside the housing 1, and the storage battery is electrically connected to the PLC controller. The operation screen 14 is electrically connected to the PLC controller.

[0020] Working principle and usage process of the utility model: For this bridge erection machine working warning device, it can first be installed on the support 3 through the mounting seat 2 at the bottom of the housing 1, and the support 3 is moved to the boundary of the dangerous area of the bridge erection machine. Then, the handwheel 13 can be rotated, which can drive the first mounting plate 7 to move through the second threaded rod 12, and thus the human body proximity sensor 6 installed on the first mounting plate 7 can be moved to a suitable position. Then, the rotating plate 9 can be rotated, which can drive the first threaded rod 8 to rotate, and further enable the second mounting plate 10 to move, so that the human body proximity sensor 6 installed on the second mounting plate 10 can be moved to the corresponding position. Then, the human body proximity sensors 6 installed on the first mounting plate 7 and the second mounting plate 10 can identify people entering the dangerous area of the bridge erection machine, and then the sound and light alarm 11 can be used to give an alarm to remind relevant personnel to quickly leave the dangerous area, avoiding dangerous situations from occurring.

[0021] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A bridge erection machine working warning device, comprising a housing (1), characterized in that: The shell (1) is provided with grooves at the front and at both sides of the shell (1), and two groups of first mounting plates (7) are slidably connected in the grooves provided on the front of the shell (1), and second mounting plates (10) are slidably connected in the grooves provided on both sides of the shell (1), and human proximity sensors (6) are installed on the second mounting plates (10) and the first mounting plates (7), and LED light-emitting tubes (5) are fixedly installed on both sides of the lower part of the front of the shell (1), and a sound and light alarm (11) is fixedly installed on the top surface of the shell (1), and a second threaded rod (12) that penetrates the two first mounting plates (7) and extends to the outside of the shell (1) is rotatably connected to the inner wall of one side of the groove provided on the front of the shell (1), and a hand wheel (13) is installed at one end of the second threaded rod (12) located outside the shell (1), and the threads provided on the outer rings of the two sides of the second threaded rod (12) are arranged in opposite directions, and threaded holes matching the second threaded rod (12) are provided on the two first mounting plates (7).

2. A bridge erection machine working warning device according to claim 1, characterized in that: The inner walls of one side of the grooves provided on both sides of the housing (1) are rotatably connected to a first threaded rod (8) penetrating the second mounting plate (10), and a rotating plate (9) is installed on the outer ring of one side of the first threaded rod (8), and the outer ring of the rotating plate (9) is provided with anti-slip grooves.

3. A bridge erection machine working warning device according to claim 1, characterized in that: The second mounting plate (10) is provided with a threaded hole, and the threaded hole matches the first threaded rod (8).

4. A bridge erection machine working warning device according to claim 1, characterized in that: One side of the back side of the shell (1) is arranged in an inclined shape, and an operating screen (14) is installed on the inclined surface. A mounting seat (2) is fixedly installed at the bottom of the shell (1), and a support plate is fixedly installed on the mounting seat (2) by bolts, and a threaded support rod (4) is welded at the bottom of the support plate, and the outer ring of the threaded support rod (4) is provided with a bracket (3) matching it.

5. A bridge erection machine working warning device according to claim 4, characterized in that: A PLC controller is installed in the housing (1), and the PLC controller is electrically connected to the human proximity sensor (6), the sound and light alarm (11) and the LED light-emitting tube (5). A storage battery is also installed inside the housing (1), and the storage battery is electrically connected to the PLC controller. The operation screen (14) is electrically connected to the PLC controller.

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