Building construction protective fence

Abstract

The building construction protective fence comprises a protective fence body, a lifting mechanism and a fixing mechanism, the lifting mechanism and the fixing mechanism are installed on the front face and the side face of the protective fence body respectively, a base plate is arranged between the inner walls of two first sliding grooves in a sliding mode, a plurality of connecting rods are rotatably arranged at the top end of the base plate at equal intervals, and lead screws are rotatably arranged on the inner walls of the two first sliding grooves. The outer walls of the two lead screws are in threaded connection with the inner walls of the two ends of the base plate correspondingly, one ends of the two lead screws penetrate through the inner wall of the protective fence body correspondingly to be fixedly provided with chain wheels, and a chain is engaged between the outer walls of the two chain wheels. The lifting mechanism is arranged on the protective fence body, the worm drives the worm gear to rotate by rotating the rotating handle, the base plate ascends and the connecting rod is folded when the lead screw rotates, so that a protective fence channel in a designated area is opened, an engineering truck loaded with designated materials can enter conveniently, congestion at a reserved inlet is not needed, traffic accidents are prevented, and the safety of the engineering truck is improved. Meanwhile, material entering is accelerated, and the engineering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction protection, in particular to a building construction protection fence. Background Art

[0002] Guardrails are mainly equipment devices used to protect and block designated construction areas. They are often needed around construction sites to surround the construction area so that construction workers inside can work with peace of mind and are not easily affected by external substances. With the rapid development of the modern construction industry, the functions of guardrails used in construction are gradually increasing, making their use more convenient.

[0003] In response to this, announcement number CN218206119U proposes a construction guardrail. The technical purpose of the utility model is to provide a construction guardrail that can play a protective and warning role even under undulating terrain conditions. However, the existing construction guardrails generally only reserve one entrance and exit for construction vehicles after surrounding and protecting the construction area. This may result in insufficient entrances when large quantities of construction materials enter, and in severe cases may cause entrance blockages and risks of transport vehicles colliding with each other. Therefore, this design scheme proposes a construction guardrail. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a construction guardrail to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a construction guardrail, comprising a guardrail body and a lifting mechanism and a fixing mechanism respectively installed on the front and side of the guardrail body;

[0006] The lifting mechanism includes a first slide groove opened on both sides of the guardrail body, a pad is slidably provided between the inner walls of the two first slide grooves, a plurality of connecting rods are equidistantly rotatably provided on the top of the pad, one end of each connecting rod is rotatably connected to the top of the inner wall of the guardrail body, and each connecting rod can be folded, a screw rod is rotatably provided on the inner walls of the two first slide grooves, and the outer walls of the two screw rods are respectively threadedly connected to the inner walls at both ends of the pad, one end of the two screw rods passes through the inner wall of the guardrail body and is fixed with a sprocket, and a chain is meshed between the outer walls of the two sprockets.

[0007] In one example, a worm wheel is fixed to the other end of one of the screw rods, a worm is inserted at the lower edge of one end of the inner wall of the guardrail body, and the outer wall of the worm is meshed with the outer wall of the worm wheel, and a rotating handle is fixed to one end of the worm through the inner wall of the guardrail body.

[0008] In one example, a protective cover is fixedly provided on the top of the guardrail body above the two sprockets and the chain.

[0009] In one example, the fixing mechanism includes second slide grooves that are opened on one side of the guardrail body and are distributed in the upper and lower directions. The inner walls of the two second slide grooves are slidably provided with sliders, and one side of the two sliders is fixed with a buckle.

[0010] In one example, connecting grooves are provided at the upper and lower ends of the back side of the guardrail body, connecting rods are inserted into the inner walls of the two connecting grooves, and one end of the two connecting rods passes through the inner walls of the two connecting grooves and is fixedly connected to one side of the two sliders.

[0011] In one example, the upper and lower ends of the other side of the guardrail body are provided with card slots, the bottoms of the inner walls of the two card slots are provided with grooves, and the outer walls of one end of the two buckles pass through the inner walls of the two card slots and are interlaced with the inner walls of the two grooves.

[0012] The construction protection fence proposed by the utility model can bring the following beneficial effects:

[0013] The construction guardrail is provided with a lifting mechanism on the guardrail body. The worm is rotated with the worm wheel by rotating the handle, and the pad is raised and the connecting rod is folded when the screw is rotated, so that the guardrail passage in the designated area is opened, which is convenient for engineering vehicles loaded with designated materials to enter, and there is no need for congestion at the reserved entrance, thereby preventing traffic accidents, speeding up the entry of materials and improving engineering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a structural schematic diagram of the lifting mechanism of the utility model;

[0017] Figure 3 This utility model manual is attached Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This utility model manual is attached Figure 1 The enlarged structural diagram at B in the middle;

[0019] Figure 5 It is a structural schematic diagram of the side surface of the protective main body of the utility model.

[0020] In the figure: 1. guardrail body; 2. lifting mechanism; 201. first slide groove; 202. pad; 203. connecting rod; 204. screw rod; 205. sprocket; 206. chain; 207. worm wheel; 208. worm; 209. turning handle; 3. protective cover; 4. fixing mechanism; 401. second slide groove; 402. slider; 403. buckle; 404. connecting groove; 405. connecting rod; 406. slot; 407. groove. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0022] The examples are as follows:

[0023] The utility model provides Figure 1-5 A construction guardrail shown in the figure comprises a guardrail body 1 and a lifting mechanism 2 and a fixing mechanism 4 respectively installed on the front and side of the guardrail body 1;

[0024] The lifting mechanism 2 includes a first slide groove 201 opened on both sides of the guardrail body 1, a pad 202 is slidably provided between the inner walls of the two first slide grooves 201, and a plurality of connecting rods 203 are rotatably provided at the top of the pad 202 at equal distances, and one end of each connecting rod 203 is rotatably connected to the top of the inner wall of the guardrail body 1, and the inner walls of the two first slide grooves 201 are rotatably provided with a screw rod 204, and the outer walls of the two screw rods 204 are respectively threadedly connected to the inner walls at both ends of the pad 202, and one end of the two screw rods 204 passes through the inner wall of the guardrail body 1 and is fixed with a sprocket 205, and a chain 206 is meshed between the outer walls of the two sprockets 205, and when the pad 202 drops to the lowest point, the connecting rod 203 is just in a vertical state, and the distance between each connecting rod 203 is small, so as to prevent thieves from entering through the gap.

[0025] A worm wheel 207 is fixedly provided at the other end of one of the screw rods 204, a worm 208 is inserted at the lower edge of one end of the inner wall of the guardrail body 1, and the outer wall of the worm 208 is meshed with the outer wall of the worm wheel 207, one end of the worm 208 passes through the inner wall of the guardrail body 1 and is fixed with a rotating handle 209, and the worm 208 and the worm wheel 207 are connected to one of the screw rods 204 inside the guardrail body 1, and a rotating handle 209 is provided on the outer side of the guardrail body 1, and the side of the rotating handle 209 is provided to face the inside of the construction area, so as to facilitate the operation of the staff;

[0026] Furthermore, a protective cover 3 is fixedly provided on the top of the guardrail body 1 above the two sprockets 205 and the chain 206, and the protective cover 3 protects the sprockets 205 and the chain 206 on the top of the guardrail body 1 to prevent erosion by rainwater;

[0027] Furthermore, the fixing mechanism 4 includes a second slide groove 401 which is opened on one side of the guardrail body 1 and is distributed in the upper and lower directions. The inner walls of the two second slide grooves 401 are slidably provided with sliders 402. One side of the two sliders 402 is fixed with buckles 403, and the sliders 402 are limited by the second slide grooves 401 so that they cannot be separated from the second slide grooves 401. One end of the bottom of the buckle 403 protrudes, which is convenient for being inserted into the groove 407 for fixing.

[0028] The upper and lower ends of the back of the guardrail body 1 are both provided with connecting grooves 404, and the inner walls of the two connecting grooves 404 are both interspersed with connecting rods 405, and one end of the two connecting rods 405 passes through the inner walls of the two connecting grooves 404 and is fixedly connected to one side of the two sliders 402, and the outer wall of the connecting rod 405 is provided with a thread. After the buckle 403 is inserted into the groove 407, it can be fixed by using a nut to be threadedly connected with it to prevent it from falling off;

[0029] Furthermore, the upper and lower ends of the other side of the guardrail body 1 are provided with card slots 406, the bottoms of the inner walls of the two card slots 406 are provided with grooves 407, and the outer walls of one end of the two buckles 403 pass through the inner walls of the two card slots 406 and are interlaced and connected with the inner walls of the two grooves 407, and the card slot 406 is opened in the center to facilitate the buckle 403 to be inserted.

[0030] Working principle: When using the construction guardrail in this design, it is first necessary to connect and fix the adjacent guardrail bodies 1 through the fixing mechanism 4, so that the guardrail bodies 1 are connected together to surround and protect the construction area. When fixing, the buckle 403 on one side of the guardrail body 1 is inserted into the slot 406 on the other side of the guardrail body 1, and then the connecting rod 405 slides in the connecting slot 404 to pull the slider 402 to slide with the buckle 403 in the second slide slot 401 until the buckle 403 is inserted into the groove 407, so that the adjacent guardrail bodies 1 can be fixed together, and during construction When engineering vehicles enter, if there are too many vehicles, the materials engineering vehicles needed in the area can be placed on the guardrail body 1 of the corresponding area and the rotating handle 209 at the lower end thereof can be turned to make the worm 208 rotate with the worm wheel 207, and then the lead screw 204 can be rotated together under the meshing transmission of the sprocket 205 and the chain 206, and the pad 202 can be raised in the first slide groove 201 to fold and retract the multiple connecting rods 203 at the upper end, thus opening the passage of the guardrail body 1 of the corresponding area, and the designated engineering vehicles can enter directly from the area without being congested with the vehicles at the reserved entrance, thereby speeding up the progress of the project and improving the efficiency of the project.

[0031] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0032] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A construction guardrail, comprising a guardrail body (1), and a lifting mechanism (2) and a fixing mechanism (4) respectively mounted on the front and side of the guardrail body (1); Features: The lifting mechanism (2) comprises a first slide groove (201) provided on both sides of the guardrail body (1); a pad (202) is slidably provided between the inner walls of the two first slide grooves (201); a plurality of connecting rods (203) are rotatably provided at the top of the pad (202) at equal intervals; one end of each connecting rod (203) is rotatably connected to the top of the inner wall of the guardrail body (1); and each connecting rod (203) is foldable; a screw rod (204) is rotatably provided on the inner walls of the two first slide grooves (201); and the outer walls of the two screw rods (204) are respectively threadedly connected to the inner walls at both ends of the pad (202); one end of the two screw rods (204) passes through the inner wall of the guardrail body (1) and is fixed with a sprocket (205); and a chain (206) is meshed between the outer walls of the two sprockets (205).

2. A construction guardrail according to claim 1, characterized in that: A worm wheel (207) is fixedly provided at the other end of one of the lead screws (204), a worm (208) is inserted at the lower edge of one end of the inner wall of the guardrail body (1), and the outer wall of the worm (208) is meshed with the outer wall of the worm wheel (207), and one end of the worm (208) passes through the inner wall of the guardrail body (1) and is fixed with a rotating handle (209).

3. A construction protection fence according to claim 1, characterized in that: A protective cover (3) is fixedly provided on the top of the guardrail body (1) above the two sprocket wheels (205) and the chain (206).

4. A construction protection fence according to claim 1, characterized in that: The fixing mechanism (4) comprises second slide grooves (401) arranged on one side of the guardrail body (1) and distributed upward and downward, the inner walls of the two second slide grooves (401) are both slidably provided with sliders (402), and one side of the two sliders (402) is both fixedly provided with buckles (403).

5. A construction protection fence according to claim 4, characterized in that: The upper and lower ends of the back side of the guardrail body (1) are both provided with connection grooves (404), the inner walls of the two connection grooves (404) are both interspersed with connection rods (405), and one end of the two connection rods (405) passes through the inner walls of the two connection grooves (404) and is fixedly connected to one side of the two sliding blocks (402).

6. A construction protection fence according to claim 4, characterized in that: The upper and lower ends of the other side of the guardrail body (1) are both provided with card slots (406), the bottoms of the inner walls of the two card slots (406) are both provided with grooves (407), and the outer walls of one end of the two buckles (403) respectively pass through the inner walls of the two card slots (406) and are interlaced and connected with the inner walls of the two grooves (407).

Images