Safety protective fence for building maintenance

Abstract

The utility model discloses a safety protective guard for building maintenance, which comprises a protective plate, a supporting mechanism is arranged at the bottom of the protective plate, the supporting mechanism comprises a gear, a rack, a lifting block, a sliding rod, a track, a pull rod and a supporting arm, the supporting arm is rotatably connected with the pull rod, an extension mechanism is arranged at one end of the supporting mechanism, and connecting mechanisms are arranged at two ends of the protective plate. A grounding mechanism is arranged at one end of the extension mechanism; a rotary disc is rotated to drive a gear to rotate, the gear drives a meshed rack to move so as to drive a lifting block to ascend and descend, the lifting block drives supporting arms to move through a pull rod, and therefore the included angle between the supporting arms on the two sides is adjusted, and the protective fence can be supported by various widths; the cylinders drive the meshed threaded rods to ascend and descend, so that the supporting arms can be supported at various heights, the protective fence can stably support a concave-convex road surface in the using process, and the using range of the building protective fence is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of building guardrails, in particular to a safety guardrail for building maintenance. Background Art

[0002] Safety guardrails refer to industrial guardrails, which are mainly used for the protection and protection of personal safety and equipment facilities in residential, highway, commercial areas, public places, etc. When a building is under maintenance and construction, the most important thing is to ensure the safety of the construction workers. The protective device uses a shielding method to isolate the human body from production hazards, which can well ensure the safety of the construction workers.

[0003] In the prior art, there is a Chinese utility model patent with authorization announcement number CN217151542U, a protective device for municipal building maintenance, including a guardrail body, a connecting structure and a supporting assembly, a mounting groove is provided at the bottom end of the side wall on one side of the guardrail body, an inner groove is provided in the mounting groove, the connecting structure includes a connecting ring fixed to the side wall on one side of the guardrail body and a connecting plug rod fixed to the side wall on the other side of the guardrail body, the connecting ring and the connecting plug rod are plugged into and matched, the supporting assembly includes a first supporting column and a second supporting column, the first supporting column is rotatably connected to the inner wall of the mounting groove, the second supporting column is rotatably connected to the inner wall of the inner groove, and the side wall of the first supporting column close to the second supporting column is provided with a clamping triangular groove. The utility model supports the guardrail body through the setting of the supporting assembly, and the first support column and the second support column work together to support the guardrail body, thereby improving the stability of the guardrail body during use and reducing the probability of the guardrail body tipping over.

[0004] Compared with the existing technology, there are problems: some existing building guardrails cannot provide stable support for uneven road surfaces during use, which limits the use conditions of the building guardrails and affects the functionality of the building guardrails. Utility Model Content

[0005] The utility model aims to overcome the deficiencies of the prior art and provide a safety guardrail for building maintenance.

[0006] The utility model solves the technical problem through the following technical scheme: it comprises a protective plate, a supporting mechanism is arranged at the bottom of the protective plate, the supporting mechanism comprises a gear, the gear is rotatably connected to the middle position of the protective plate, a rack is arranged on the outer side of the gear, a lifting block is arranged at one end of the rack, a sliding rod is arranged at the middle position of the lifting block, tracks are arranged on both sides of the rack, pull rods are arranged at both ends of the lifting block, a support arm is arranged on the inner wall of the protective plate, the support arm is rotatably connected to the pull rod, an extension mechanism is arranged at one end of the supporting mechanism, connecting mechanisms are arranged at both ends of the protective plate, and a grounding mechanism is arranged at one end of the extension mechanism.

[0007] As a further solution of the utility model: the extension mechanism includes an extension rod, which is slidably connected to the inner wall of the support arm, a cylinder is provided on the top of the support arm, a threaded rod is provided at one end of the extension rod, the threaded rod is threadedly connected to the inner wall of the cylinder, a bevel gear is provided on the outside of the cylinder, and a drive shaft is provided on the outside of the bevel gear.

[0008] As a further solution of the utility model: the connecting mechanism includes a sleeve, the sleeve is welded to one end of the protective plate, a connecting beam is provided at the other end of the protective plate, a clamping block is provided below the connecting beam, a driving plate is provided at one end of the clamping block, a telescopic rod is provided in the middle position of the driving plate, a coil spring is provided on the outside of the telescopic rod, and a pressing handle is provided above the driving plate.

[0009] As a further solution of the utility model: the grounding mechanism includes a connecting block, the connecting block is rotatably connected to one end of the extension rod, a base plate is arranged below the connecting block, ground nails are arranged below the base plate, and bolt holes are arranged at both ends of the base plate.

[0010] As a further solution of the utility model: a rotating disk is arranged on one side of the gear.

[0011] As a further solution of the utility model: a plurality of legs are arranged below the protective plate.

[0012] As a further solution of the utility model: a limiting block is provided at one end of the sliding rod.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. A turntable is provided, and the gear is driven to rotate by rotating the turntable, and the gear drives the meshing rack to move, thereby driving the lifting block to move up and down, and the lifting block drives the support arm to move through the pull rod, and under the guidance of the slide rod, the angle of the support arms on both sides is adjusted, so that the guardrail can support various widths, and a driving shaft is provided, and the cylinder is driven to rotate by the driving shaft under the transmission action of the bevel gear, and the cylinder drives the meshing threaded rod to move up and down, so that the support arm can support various heights, so that the guardrail can stably support the uneven road surface during use, expand the use range of the building guardrail, and enrich the functionality of the building guardrail;

[0015] 2. By providing a telescopic rod, the telescopic rod cooperates with the spiral spring to squeeze the driving plate, and under the action of the clamping block, the sleeve is quickly connected to the connecting beam, and the sleeve is quickly disconnected from the connecting beam by pressing the pressing handle, so that multiple protective plates can be quickly installed, thereby improving the installation efficiency of the guardrail;

[0016] 3. By providing ground nails, the ground nails can be inserted into the ground, thereby improving the firmness of the connection between the connecting block and the ground and ensuring the safety of the protection process of the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 The cross-sectional structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 4 The cross-sectional structure of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0022] Figure 6 This is a front view structural schematic diagram of the utility model;

[0023] Figure 7 For this utility model Figure 6 Schematic diagram of the enlarged structure at C in the middle;

[0024] Figure 8 It is an enlarged schematic diagram of the grounding mechanism in the utility model.

[0025] In the figure, 100, protective plate; 110, turntable; 120, support leg; 130, limit block; 101, gear; 102, rack; 103, lifting block; 104, slide bar; 105, track; 106, pull rod; 107, support arm; 201, extension rod; 202, cylinder; 203, threaded rod; 204, bevel gear; 205, drive shaft; 301, sleeve; 302, connecting beam; 303, block; 304, drive plate; 305, telescopic rod; 306, coil spring; 307, pressing handle; 401, connecting block; 402, bottom plate; 403, ground nail; 404, bolt hole. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0027] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0028] Embodiment 1:

[0029] like Figure 1-Figure 5 As shown, a safety guardrail for building maintenance includes a guard plate 100, a support mechanism is provided at the bottom of the guard plate 100, and the support mechanism includes a gear 101, the gear 101 is rotatably connected to the middle position of the guard plate 100, a rack 102 is meshed on the outer side of the gear 101, a lifting block 103 is welded to one end of the rack 102, a sliding rod 104 is slidably connected to the middle position of the lifting block 103, tracks 105 are slidably connected to the two sides of the rack 102, pull rods 106 are rotatably connected to the two ends of the lifting block 103, a support arm 107 is rotatably connected to the inner wall of the guard plate 100, and the support arm 107 is rotatably connected to the pull rod 106. An extension mechanism is provided at the end, and connecting mechanisms are provided at both ends of the protective plate 100. A grounding mechanism is provided at one end of the extension mechanism. The extension mechanism includes an extension rod 201, and the extension rod 201 is slidably connected to the inner wall of the support arm 107. The top of the support arm 107 is rotatably connected to a cylinder 202. One end of the extension rod 201 is fixed with a threaded rod 203 by bolts, and the threaded rod 203 is threadedly connected to the inner wall of the cylinder 202. A bevel gear 204 is welded to the outside of the cylinder 202, and a drive shaft 205 is meshed with the outside of the bevel gear 204. A turntable 110 is fixed to one side of the gear 101 by bolts, and a limiting block 130 is fixed to one end of the sliding rod 104 by bolts.

[0030] In this embodiment, a turntable 110 is provided, and rotating the turntable 110 drives the gear 101 to rotate, and the gear 101 drives the meshing rack 102 to move, thereby driving the lifting block 103 to rise and fall, and the lifting block 103 drives the support arm 107 to move through the pull rod 106, and under the guidance of the slide bar 104, the angle of the support arms 107 on both sides is adjusted, so that the guardrail can support various widths, and a driving shaft 205 is provided. The driving shaft 205 drives the cylinder 202 to rotate under the transmission action of the bevel gear 204, and the cylinder 202 drives the meshing threaded rod 203 to rise and fall, so that the support arm 107 can support various heights, so that the guardrail can stably support the uneven road surface during use, expand the scope of use of the building guardrail, and enrich the functionality of the building guardrail.

[0031] Embodiment 2:

[0032] like Figure 1-Figure 7As shown, a safety guardrail for building maintenance, the connecting mechanism includes a sleeve 301, the sleeve 301 is welded to one end of the guard plate 100, the other end of the guard plate 100 is welded with a connecting beam 302, a block 303 is slidably connected below the connecting beam 302, one end of the block 303 is welded with a driving plate 304, a telescopic rod 305 is fixed to the middle position of the driving plate 304 by bolts, a coil spring 306 is fixed to the outside of the telescopic rod 305 by bolts, and a pressing handle 307 is fixed to the top of the driving plate 304 by bolts.

[0033] In this embodiment, a telescopic rod 305 is provided, and the telescopic rod 305 cooperates with the coil spring 306 to squeeze the drive plate 304. Under the action of the clamping block 303, the sleeve 301 is quickly connected to the connecting beam 302. By pressing the pressing handle 307, the sleeve 301 and the connecting beam 302 are quickly disconnected, so that multiple protective plates 100 can be quickly installed, thereby improving the installation efficiency of the guardrail.

[0034] Embodiment 3:

[0035] like Figure 6-Figure 8 As shown, a safety guardrail for building maintenance, the grounding mechanism includes a connecting block 401, the connecting block 401 is rotatably connected to one end of the extension rod 201, a bottom plate 402 is welded below the connecting block 401, ground nails 403 are fixed below the bottom plate 402 by bolts, bolt holes 404 are cut at both ends of the bottom plate 402, and a plurality of legs 120 are fixed below the guard plate 100 by bolts.

[0036] In this embodiment, the ground nails 403 are provided and can be inserted into the ground, thereby improving the firmness of the connection between the connecting block 401 and the ground and ensuring the safety of the protection process of the guardrail.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety guardrail for building maintenance, characterized in that: The invention comprises a protective plate (100), wherein a supporting mechanism is arranged at the bottom of the protective plate (100), wherein the supporting mechanism comprises a gear (101), wherein the gear (101) is rotatably connected to the middle position of the protective plate (100), wherein a rack (102) is arranged on the outer side of the gear (101), wherein a lifting block (103) is arranged at one end of the rack (102), wherein a sliding rod (104) is arranged at the middle position of the lifting block (103), wherein tracks (105) are arranged on both sides of the rack (102), wherein pull rods (106) are arranged at both ends of the lifting block (103), wherein a supporting arm (107) is arranged on the inner wall of the protective plate (100), wherein the supporting arm (107) is rotatably connected to the pull rod (106), wherein an extending mechanism is arranged at one end of the supporting mechanism, wherein connecting mechanisms are arranged at both ends of the protective plate (100), and wherein a grounding mechanism is arranged at one end of the extending mechanism.

2. A safety guardrail for building maintenance according to claim 1, characterized in that: The extension mechanism comprises an extension rod (201), the extension rod (201) is slidably connected to the inner wall of the support arm (107), a cylinder (202) is arranged on the top of the support arm (107), a threaded rod (203) is arranged at one end of the extension rod (201), the threaded rod (203) is threadedly connected to the inner wall of the cylinder (202), a bevel gear (204) is arranged on the outer side of the cylinder (202), and a drive shaft (205) is arranged on the outer side of the bevel gear (204).

3. A building maintenance safety fence according to claim 1, characterized in that: The connection mechanism comprises a sleeve (301), the sleeve (301) is welded to one end of the protective plate (100), the other end of the protective plate (100) is provided with a connecting beam (302), a clamping block (303) is provided below the connecting beam (302), a driving plate (304) is provided at one end of the clamping block (303), a telescopic rod (305) is provided in the middle of the driving plate (304), a coil spring (306) is provided on the outside of the telescopic rod (305), and a pressing handle (307) is provided above the driving plate (304).

4. A building maintenance safety fence according to claim 2, characterized in that: The grounding mechanism comprises a connecting block (401), wherein the connecting block (401) is rotatably connected to one end of the extension rod (201), a bottom plate (402) is arranged below the connecting block (401), a ground nail (403) is arranged below the bottom plate (402), and bolt holes (404) are arranged at both ends of the bottom plate (402).

5. A building maintenance safety fence according to claim 1, characterized in that: A rotating disk (110) is provided on one side of the gear (101).

6. A building maintenance safety fence according to claim 1, characterized in that: A plurality of supporting legs (120) are arranged below the protective plate (100).

7. A building maintenance safety fence according to claim 1, characterized in that: A limit block (130) is provided at one end of the sliding rod (104).

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