A pre-warning device for edge protection of excavation construction

Abstract

A kind of prewarning device of excavation construction edge protection, comprising: protection plate;Bottom support arranged in the bottom of protection plate;Blocking mechanism arranged in the lower part of protection plate, and the blocking mechanism includes rotatable blocking plate;Traction mechanism connected with blocking plate;Equipment bin arranged in the upper part of bottom support;Trigger mechanism arranged in equipment bin, and the trigger mechanism is connected with traction mechanism;And support assembly arranged in equipment bin.In use, if personnel close to excavation slope step on or press down to pedal part, pedal moves down and drives traction rod to move down synchronously, and then pull traction line to move up to make blocking plate unfold outward and prewarn, prevent personnel from approaching excavation slope.

Description

Technical Field

[0001] This utility model relates to the field of edge protection technology, and more specifically, to an early warning device for edge protection during excavation construction. Background Technology

[0002] During excavation, the edges of the tunnel opening are prone to collapse. Therefore, edge protection is needed to reduce the movement of personnel towards the edge of the excavation. Thus, early warning devices for edge protection during excavation are usually installed.

[0003] However, existing early warning devices for edge protection during excavation can only provide simple reminders and cannot prevent people from approaching, thus their early warning effectiveness is limited. Utility Model Content

[0004] To overcome the shortcomings mentioned above, this utility model aims to provide an early warning device for edge protection during excavation construction, which can protect personnel approaching the excavation site.

[0005] An early warning device for edge protection during excavation construction includes: a protective plate; a base support at the bottom of the protective plate; a blocking mechanism at the lower part of the protective plate, the blocking mechanism including a rotatable blocking plate; a traction mechanism connected to the blocking plate; an equipment compartment at the upper part of the base support; a triggering mechanism in the equipment compartment, the triggering mechanism being connected to the traction mechanism; and a support component in the equipment compartment.

[0006] Furthermore, the upper part of the protective plate is provided with light-transmitting holes, and there are gaps between adjacent light-transmitting holes; the lower part of the protective plate is a solid structure.

[0007] Furthermore, the front end of the base is located in front of the protective plate, and an intercepting net is slidably connected to the front end of the base. The intercepting net fits against the perimeter of the excavation, and a positioning cone is provided at the rear end of the base.

[0008] Furthermore, the blocking mechanism also includes a connecting plate, which is disposed at the lower part of the protective plate and is perpendicular to the protective plate. The blocking plate is rotatably connected to the connecting plate.

[0009] Furthermore, the traction mechanism includes a traction rod, a steering wheel, and a traction line. The traction rod is slidably connected to the protective plate, the steering wheel is located on the top of the connecting plate, one end of the traction line is connected to the barrier plate, the other end of the traction line is connected to the traction rod, and the traction line crosses the steering wheel.

[0010] Furthermore, the traction rod is U-shaped, and the side wall of the protective plate is provided with a limiting slide, with one end of the traction rod slidably connected to the limiting slide.

[0011] Furthermore, the triggering mechanism includes a pedal and a spring. The pedal is slidably connected to the equipment compartment, the bottom of the pedal is fixedly connected to the traction rod, and the spring is located at the bottom of the pedal, with the bottom of the spring fixedly connected to the equipment compartment.

[0012] Furthermore, the support assembly includes a support block, a positioning rod, and a support frame. The support block is slidably connected to the equipment compartment and can extend under the pedal. The positioning rod is fixed to the rear end of the support block, the support frame is fixed to the equipment compartment, and the positioning rod is slidably connected to the support frame.

[0013] Furthermore, the front end of the support block is an inclined surface.

[0014] Furthermore, the positioning rod is provided with two through holes, and the support frame is provided with blind holes. The through holes and the blind holes can overlap, and pins can be inserted into the through holes and the blind holes.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] ① When in use, if personnel near the excavation slope step on or press down on the pedal, the pedal will move down, causing the traction rod to move down simultaneously, which in turn pulls the traction line up, causing the barrier plate to unfold outward as a warning, preventing personnel from approaching the excavation slope. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of an early warning device for edge protection during excavation construction.

[0019] Figure 2 This is a schematic diagram from another perspective of an early warning device for edge protection during excavation construction.

[0020] Figure 3 This is a schematic diagram of the equipment compartment of an early warning device for edge protection during excavation construction.

[0021] Figure 4 This is a schematic diagram of the support components in an early warning device for edge protection during excavation construction.

[0022] In the diagram: 1. Protective plate; 11. Light-transmitting hole; 12. Limiting slide; 2. Base support; 21. Interception net; 22. Positioning cone; 3. Interception mechanism; 31. Barrier plate; 311. Bell; 32. Connecting plate; 4. Traction mechanism; 41. Traction rod; 42. Steering wheel; 43. Traction line; 5. Equipment compartment; 51. Protective cover; 6. Triggering mechanism; 61. Pedal; 62. Spring; 7. Support assembly; 71. Support block; 72. Positioning rod; 721. Through hole; 73. Support frame; 731. Blind hole; 74. Pin. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1 to 3 As shown, an early warning device for edge protection during excavation construction includes: a protective plate 1; a base support 2 located at the bottom of the protective plate 1; a blocking mechanism 3 located at the lower part of the protective plate 1, the blocking mechanism 3 including a rotatable blocking plate 31; a traction mechanism 4 connected to the blocking plate 31; an equipment compartment 5 located on the upper part of the base support 2; a triggering mechanism 6 located in the equipment compartment 5, the triggering mechanism 6 being connected to the traction mechanism 4; and a support assembly 7 located in the equipment compartment 5.

[0025] The protective plate 1 is used to intercept people or objects to prevent them from falling into the excavation opening. The upper part of the protective plate 1 is provided with a light-transmitting hole 11, through which the situation inside the excavation site can be seen. At the same time, the light-transmitting hole 11 can also provide ventilation to prevent the protective plate 1 from being displaced by the wind due to excessive resistance. There are gaps between adjacent light-transmitting holes 11, and the gaps between adjacent light-transmitting holes 11 are the same. The lower part of the protective plate 1 is a solid structure, which is used to support the strength of the protective plate 1.

[0026] Because the excavation lacks slope support, the edges of the tunnel entrance are all dangerous areas. Therefore, the base support 2 is extended away from the adjacent edge. Moving on the base support 2 helps to distribute pressure and reduce the probability of collapse. The front end of the base support 2 is located in front of the protective plate 1, and a blocking net 21 is slidably connected to the front end of the base support 2. The lower part of the blocking net 21 extends into the excavation tunnel and fits snugly against the perimeter of the excavation. The blocking net 21 can prevent some of the soil on top of the excavation from sliding down, reducing the probability of collapse. The rear end of the base support 2 is equipped with a positioning cone 22, which is anchored in the ground outside the excavation. The positioning cone 22 is used to fix the position of the device, enabling it to withstand small impacts.

[0027] The barrier mechanism 3 is used for early warning and interception of approaching personnel or vehicles. The barrier mechanism 3 also includes a connecting plate 32, which is located in the solid portion below the protective plate 1. The connecting plate 32 is perpendicular to the protective plate 1, and the barrier plate 31 is rotatably connected to the connecting plate 32, thereby creating a gap between the barrier plate 31 and the protective plate 1. When there is no external force, the barrier plate 31 is parallel to the protective plate 1. When the barrier plate 31 is pulled upwards, it becomes perpendicular to the protective plate 1, thus preventing personnel or vehicles from continuing to advance into the excavation area, achieving an early warning effect.

[0028] A bell 311 is installed behind the barrier plate 31. When the barrier plate 31 moves, the bell 311 shakes, and the sound of the bell warns pedestrians not to approach the excavation edge opening.

[0029] The traction mechanism 4 is used to drive the barrier plate 31 to rotate. The traction mechanism 4 includes a traction rod 41, a steering wheel 42, and a traction line 43. The traction rod 41 is slidably connected to the lower part of the protective plate 1. The steering wheel 42 is located on the top of the connecting plate 32. One end of the traction line 43 is connected to the barrier plate 31, and the other end of the traction line 43 is connected to the traction rod 41. The traction line 43 spans the steering wheel 42. When the traction rod 41 moves downward, it pulls the traction line 43 to slide in the steering wheel 42, thereby causing the barrier plate 31 to rotate upward.

[0030] The traction rod 41 is U-shaped, with both ends of the traction rod 41 protruding upwards. The side wall of the protective plate 1 is provided with a limiting slide 12, which wraps around the traction rod 41. One end of the traction rod 41 is slidably connected to the limiting slide 12, which restricts the traction rod 41 to move only up and down.

[0031] The triggering mechanism 6 includes a pedal 61 and a spring 62. The pedal 61 is slidably connected to the equipment compartment 5 and can move up and down. The bottom of the pedal 61 is fixed to the traction rod 41, and the pedal 61 and the traction rod 41 move synchronously. The spring 62 is located at the bottom of the pedal 61 and is fixed to the bottom of the equipment compartment 5. When the spring 62 is in its normal state, the pedal 61 is flush with the top surface of the equipment compartment 5. The spring 62 is used to reset the pedal 61 after it moves down. During use, if personnel near the excavation slope step on or press down on the pedal 61, the pedal 61 moves down, causing the traction rod 41 to move down synchronously, which in turn pulls the traction line 43 up, causing the barrier plate 31 to unfold outward as a warning, preventing personnel from approaching the excavation slope. The pedal 61 is marked with the slogan "Pedal suspended, please stay away".

[0032] If work needs to be carried out on an excavated slope, and it is not necessary to raise the barrier plate 31, but lowering the step plate 61 would also hinder the work, use the support assembly 7 to support the step plate 61 and prevent it from lowering. Figure 4As shown, the support assembly 7 includes a support block 71, a positioning rod 72, and a support frame 73. The support block 71 is slidably connected to the equipment compartment 5. The support block 71 can extend under the pedal 61. At this time, the support block 71 restricts the pedal 61 from moving downward. Retracting the support block 71 allows the pedal 61 to move downward. The positioning rod 72 is fixed to the rear end of the support block 71. The positioning rod 72 moves synchronously with the support block 71. Pulling the positioning rod 72 can move the support block 71. The support frame 73 is fixed to the equipment compartment 5, and the positioning rod 72 is slidably connected to the support frame 73.

[0033] The front end of the support block 71 is an inclined surface facing the pedal 61. If the pedal 61 moves slightly downward, the inclined surface can push the pedal 61 upward when the support block 71 is pushed forward, reducing the jamming when the support block 71 moves.

[0034] The positioning rod 72 has two through holes 721 with a gap between them. The support frame 73 has a blind hole 731. The through holes 721 and the blind hole 731 can coincide. When the blind hole 731 coincides with the rear through hole 721, the support block 71 does not contact the pedal 61. When the blind hole 731 coincides with the front through hole 721, the support block 71 is located below the pedal 61. A pin 74 can be inserted into the through holes 721 and the blind hole 731 to fix the position of the positioning rod 72 and the support block 71.

[0035] A protective cover 51 is detachably connected to the outside of the equipment compartment 5. The protective cover 51 covers the top of the support component 7. When the position of the support block 71 needs to be adjusted, the protective cover 51 is opened for adjustment. Under normal protection, the protective cover 51 protects the support component 7.

[0036] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pre-warning device for a construction edge protection of an excavation, characterized in that, include: Protective plate (1); A base support (2) is provided at the bottom of the protective plate (1); A blocking mechanism (3) is provided at the lower part of the protective plate (1), the blocking mechanism (3) including a rotatable blocking plate (31); The traction mechanism (4) connected to the barrier plate (31); Equipment compartment (5) located on the upper part of the base (2); A triggering mechanism (6) is provided in the equipment compartment (5), and the triggering mechanism (6) is connected to the traction mechanism (4); and Support assembly (7) located in the equipment compartment (5).

2. The early warning device for edge protection during excavation construction according to claim 1, characterized in that: The upper part of the protective plate (1) is provided with light-transmitting holes (11), and there is a gap between adjacent light-transmitting holes (11). The lower part of the protective plate (1) is a solid structure.

3. The early warning device for edge protection during excavation construction according to claim 2, characterized in that: The front end of the base (2) is located in front of the protective plate (1). The front end of the base (2) is slidably connected to an interception net (21). The interception net (21) fits against the perimeter of the excavation. The rear end of the base (2) is provided with a positioning cone (22).

4. The early warning device for edge protection during excavation construction according to claim 3, characterized in that: The blocking mechanism (3) further includes a connecting plate (32), which is located at the lower part of the protective plate (1). The connecting plate (32) is perpendicular to the protective plate (1), and the blocking plate (31) is rotatably connected to the connecting plate (32).

5. The early warning device for edge protection during excavation construction according to claim 4, characterized in that: The traction mechanism (4) includes a traction rod (41), a steering wheel (42), and a traction line (43). The traction rod (41) is slidably connected to the protective plate (1). The steering wheel (42) is located on the top of the connecting plate (32). One end of the traction line (43) is connected to the barrier plate (31), and the other end of the traction line (43) is connected to the traction rod (41). The traction line (43) spans across the steering wheel (42).

6. The early warning device for edge protection during excavation construction according to claim 5, characterized in that: The traction rod (41) is U-shaped, and the side wall of the protective plate (1) is provided with a limiting slide (12). One end of the traction rod (41) is slidably connected to the limiting slide (12).

7. The early warning device for edge protection during excavation construction according to claim 6, characterized in that: The triggering mechanism (6) includes a pedal (61) and a spring (62). The pedal (61) is slidably connected to the equipment compartment (5). The bottom of the pedal (61) is fixedly connected to the traction rod (41). The spring (62) is located at the bottom of the pedal (61) and the bottom of the spring (62) is fixedly connected to the equipment compartment (5).

8. The early warning device for edge protection during excavation construction according to claim 7, characterized in that: The support assembly (7) includes a support block (71), a positioning rod (72), and a support frame (73). The support block (71) is slidably connected to the equipment compartment (5) and can extend under the pedal (61). The positioning rod (72) is fixed to the rear end of the support block (71). The support frame (73) is fixed to the equipment compartment (5) and the positioning rod (72) is slidably connected to the support frame (73).

9. The early warning device for edge protection during excavation construction according to claim 8, characterized in that: The front end of the support block (71) is an inclined surface.

10. An early warning device for edge protection during excavation construction according to claim 9, characterized in that: The positioning rod (72) has two through holes (721), and the support frame (73) has a blind hole (731). The through holes (721) and the blind hole (731) can overlap, and a pin (74) can be inserted into the through holes (721) and the blind hole (731).

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