Personnel safety distance detection device for precast beam field

By installing a detection device on the formwork in the precast beam yard, and utilizing safety light curtain sensors and audible and visual alarms, the detection device enables real-time detection and alarm of personnel positions. This solves the technical problems existing in the prior art, realizes the detection and alarm of safe distances for personnel, and improves the safety of the precast beam yard.

CN223623574UActive Publication Date: 2025-12-02CHINA CONSTR RAILWAY INVESTMENT SOUTH CHINA CONSTR CO LTD
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Patent Information

Application Number
CN202423142159.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-12-02
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

During the concrete pouring process at the precast beam yard, the formwork and its supporting structure are subjected to enormous pressure and impact. Personnel who stay under or near the formwork are easily injured, and existing warning signs are easily ignored, leading to safety risks.

Method used

A personnel safety distance detection device for precast beam yards was designed, including a clamping plate, a safety light grating sensor and an audible and visual alarm. The device is fixed to the template by a clamping assembly, and the safety light grating sensor detects the position of personnel and triggers the audible and visual alarm to provide a warning.

Benefits of technology

It enables flexible detection and timely warning of personnel location, improves safety, solves the problem that existing warning signs are easily overlooked, and enhances the safety of precast beam yards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a precast beam field personnel safety distance detection device which comprises a first clamping plate, a second clamping plate, a safety grating sensor, a clamping assembly and a limiting assembly, the clamping assembly is rotationally connected to the first clamping plate, the rotation angle is limited through the limiting assembly, the clamping assembly comprises a first clamping part and a second clamping part, and the first clamping part is connected to the second clamping plate. The first clamping part is provided with a sliding rail for the second clamping part to move, the first clamping part is provided with an adjusting assembly for adjusting the extending length of the second clamping part, and the first clamping plate and the second clamping plate are clamped on a template through locking pieces. According to the technical scheme, the position and angle of the clamping assembly can be conveniently adjusted through the adjusting assembly and the limiting assembly so as to adapt to different working environments and safety requirements.
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Description

Technical Field

[0001] This utility model relates to a device for detecting safe distances of personnel in a precast beam yard. Background Technology

[0002] During the concrete pouring process, the formwork and its supporting structure in the precast beam yard are subjected to tremendous pressure and impact. If personnel stay under or near the formwork, they may be injured due to the instability of the supporting structure or the deformation of the formwork. Currently, precast beam yards usually place warning signs after the formwork is erected to remind personnel to stay away from the danger zone. However, placing warning signs is easily ignored due to personnel negligence or violation of regulations. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a personnel safety distance detection device for precast beam yards, which can be flexibly fixedly connected to the template and detect dangerous areas, and provide warning information to personnel entering the area.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a personnel safety distance detection device for precast beam yards, comprising a first clamping plate, a second clamping plate, a safety light grating sensor, a clamping assembly, and a limiting assembly. The clamping assembly is rotatably connected to the first clamping plate and the angle of rotation is limited by the limiting assembly. The clamping assembly includes a first clamping part and a second clamping part. The first clamping part is provided with a slide rail for the second clamping part to move. The first clamping part is provided with an adjusting assembly for adjusting the extension length of the second clamping part. The first clamping plate and the second clamping plate are clamped to the template by a locking member.

[0005] As a further improvement of this utility model, the adjustment assembly includes an adjustment seat installed on the outside of the slide rail, a screw threadedly connected to the adjustment seat, and a protrusion. The slide rail is provided with an opening for the protrusion to move. The protrusion is set on the second clamping part and is positioned directly opposite the screw. The protrusion is provided with a through hole for the screw to extend out. The screw is provided with a pair of nuts for clamping the protrusion.

[0006] As a further improvement of this utility model, the first clamping plate is provided with a connecting seat, the first clamping part is rotatably connected to the connecting seat, the limiting components are arranged in pairs and are respectively installed on the surfaces opposite to the first clamping part and the first clamping plate, the limiting components include a rotating seat and a threaded sleeve rotatably connected to the rotating seat, and a double-ended screw is provided between the pair of threaded sleeves.

[0007] As a further improvement of this utility model, an audible and visual alarm is provided on the top of the second clamping part.

[0008] As a further improvement of this utility model, the first clamping plate is provided with a pair of slots, and the second clamping plate is provided with a pair of plugs that are inserted into the slots.

[0009] The beneficial effects of this utility model are: the technical solution can easily adjust the position and angle of the clamping component through the adjustment component and the limiting component to adapt to different working environments and safety requirements. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0011] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0012] Figure 3 This is a schematic diagram illustrating the use of an embodiment of the present utility model.

[0013] Reference numerals: 1. First clamping plate; 2. Second clamping plate; 3. Safety light curtain sensor; 4. Audible and visual alarm; 5. First clamping part; 51. Slide rail; 52. Adjusting seat; 53. Screw; 54. Opening; 6. Second clamping part; 61. Protrusion; 62. Nut; 7. Connecting seat; 8. Rotating seat; 9. Threaded sleeve; 10. Double-ended screw; 11. Slot; 12. Insert block. Detailed Implementation

[0014] The present invention will now be described in further detail with reference to the embodiments shown in the accompanying drawings.

[0015] Reference Figure 1-3 As shown, a personnel safety distance detection device for a precast beam yard includes a first clamping plate 1, a second clamping plate 2, a safety light curtain sensor 3, a clamping assembly, a limiting assembly, and an audible and visual alarm 4. The clamping assembly is rotatably connected to the first clamping plate 1 and the rotation angle is limited by the limiting assembly. The rotatably connected clamping assembly can detect a longer distance by flipping, and can also be used to detect whether materials are falling off in other environments, such as piles of steel bars, piles of stones, connecting components, etc. The clamping assembly includes a first clamping part 5 and a second clamping part 6. The safety light curtain sensor 3 is installed on the first clamping part 5 and the second clamping part 6. Between the holding parts 6, the audible and visual alarm 4 is installed on the top of the second holding part 6. The first holding part 5 is provided with a slide rail 51 for the second holding part 6 to move. The first holding part 5 is provided with an adjustment component for adjusting the extension length of the second holding part 6. The second holding part 6 is fixed to the height of the safety light curtain sensor 3 by the control of the adjustment component. The first clamping plate 1 and the second clamping plate 2 are clamped on the template by locking members. In order to facilitate the quick installation of the first clamping plate 1 and the second clamping plate 2, the first clamping plate 1 is provided with a pair of slots 11, and the second clamping plate 2 is provided with a pair of plugs 12 that are inserted into the slots 11.

[0016] The adjustment assembly includes an adjustment seat 52 mounted on the outside of the slide rail 51, a screw 53 threadedly connected to the adjustment seat 52, and a protrusion 61. The slide rail 51 has an opening 54 for the protrusion 61 to move. The protrusion 61 is located on the second clamping part 6 and is directly opposite the screw 53. The protrusion 61 has a through hole for the screw 53 to extend out. The screw 53 has a pair of nuts 62 that clamp the protrusion 61. The pair of nuts 62 are threadedly connected to the screw 53. By rotating the screw 53, the second clamping part 6 is moved and limited on the slide rail 51. Since the template is more than ten meters long, multiple sets of this device need to be installed on the template. The safety light curtain sensor 3 needs to be used in pairs. The rotation angle of the sensor is limited and adjusted by the limiting assembly to facilitate the calibration of the safety light curtain sensor 3.

[0017] The first clamping plate 1 is provided with a connecting seat 7, and the first clamping part 5 is rotatably connected to the connecting seat 7. The connecting seat 7 is provided to further increase the detection length of the safety light grating sensor 3. The limiting components are provided in pairs and are respectively installed on the surfaces opposite to the first clamping part 5 and the first clamping plate 1. The limiting components include a rotating seat 8 and a threaded sleeve 9 rotatably connected to the rotating seat 8. A double-ended screw 10 is provided between the pair of threaded sleeves 9. The threads on both sides of the double-ended screw 10 are arranged in opposite directions and are respectively connected to the threaded sleeves 9 on both sides. The double-ended screw 10 facilitates the calibration of the safety light grating sensor 3.

[0018] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A device for detecting safe distances of personnel in a precast beam yard, characterized in that, The device includes a first clamping plate, a second clamping plate, a safety light curtain sensor, a clamping assembly, and a limiting assembly. The clamping assembly is rotatably connected to the first clamping plate and the angle of rotation is limited by the limiting assembly. The clamping assembly includes a first clamping part and a second clamping part. The first clamping part is provided with a slide rail for the second clamping part to move. The first clamping part is provided with an adjusting assembly for adjusting the extension length of the second clamping part. The first clamping plate and the second clamping plate are clamped on the template by a locking member.

2. The precast beam yard personnel safety distance detection device according to claim 1, characterized in that, The adjustment assembly includes an adjustment seat mounted on the outside of the slide rail, a screw threaded onto the adjustment seat, and a protrusion. The slide rail has an opening for the protrusion to move. The protrusion is positioned on the second clamping part and directly opposite the screw. The protrusion has a through hole for the screw to extend out. The screw has a pair of nuts for clamping the protrusion.

3. The precast beam yard personnel safety distance detection device according to claim 1 or 2, characterized in that, The first clamping plate is provided with a connecting seat, and the first clamping part is rotatably connected to the connecting seat. The limiting components are arranged in pairs and are respectively installed on the surfaces opposite to the first clamping part and the first clamping plate. The limiting components include a rotating seat and a threaded sleeve rotatably connected to the rotating seat. A double-ended screw is provided between the pair of threaded sleeves.

4. The precast beam yard personnel safety distance detection device according to claim 1, characterized in that, The top of the second clamping part is equipped with an audible and visual alarm.

5. The precast beam yard personnel safety distance detection device according to claim 4, characterized in that, The first clamping plate is provided with a pair of slots, and the second clamping plate is provided with a pair of plugs that are inserted into the slots.