Drawing opposite-closing type protective fence frame for constructional engineering

Abstract

The utility model relates to a drawing opposite-closing type protective fence frame for constructional engineering, which is provided with a counterweight base, universal trundles with brakes are arranged on the lower side of the counterweight base, a curtain cylinder fixing protective shell is vertically and fixedly arranged on the counterweight base, a roller shutter cylinder is arranged in the curtain cylinder fixing protective shell, and the roller shutter cylinder has a self-rolling function. A pull handle, an agraffe I and an agraffe shaft I are arranged at the pulling-out end of the aluminum alloy pull curtain of the curtain rolling cylinder; a grooved rail connecting base is welded to one side of the lower end of the curtain cylinder fixing protective shell, a curtain pulling supporting grooved rail is hinged to the grooved rail connecting base, and the curtain pulling supporting grooved rail can be erected or horizontally placed around the grooved rail connecting base. In the using process of the drawing oppositely-combined type protective fence frame for constructional engineering, assembling, disassembling and collecting operation is very convenient and rapid, labor and time are saved, and the protective fence frame can be moved easily, so that great convenience is brought to the construction process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of guardrail, especially to a pull-together type guardrail for construction engineering. BACKGROUND

[0002] The guardrail for construction engineering is a facility for separating the construction site from the external environment, making the construction site a relatively closed space, and the main purpose is to prevent idle personnel from entering the construction area and causing danger. The current guardrail for construction engineering is mostly formed by welding, splicing and binding of shielding materials such as plates, wire meshes, fences and rod frames, and these measures are not only time-consuming and laborious in assembly and disassembly, but also bring great inconvenience to transportation and storage due to the variety of materials. SUMMARY

[0003] The utility model solves the technical problem of providing a pull-together type guardrail for construction engineering to overcome the defects of the prior art and products described in the background.

[0004] The utility model adopts the technical scheme that a pull-together type guardrail for construction engineering has a counterweight base, a brake universal wheel is installed on the lower side of the counterweight base, a curtain tube fixed shell is vertically and fixedly installed on the counterweight base, a rolling curtain tube is installed in the curtain tube fixed shell, the rolling curtain tube has a self-rolling function, a handle, a hook I and a shaft I are arranged at the pulling-out end of the aluminum alloy curtain of the rolling curtain tube; a groove rail connecting seat is welded on one side of the lower end of the curtain tube fixed shell, a curtain supporting groove rail is hingedly connected to the groove rail connecting seat, and the curtain supporting groove rail can be vertically erected or laid flat; when the curtain supporting groove rail is vertically erected, it abuts against the outer wall of the curtain tube fixed shell and corresponds to the pulling-out end of the aluminum alloy curtain, and at this time, the curtain supporting groove rail can be locked through the cooperation of the hook II of the outer wall of the curtain tube fixed shell and the shaft II on the curtain supporting groove rail; when the curtain supporting groove rail is laid flat, the inner bottom of the curtain supporting groove rail is flush with the lower edge of the aluminum alloy curtain, and the supporting feet welded on the curtain supporting groove rail are just laid flat on the counterweight base.

[0005] Further, a plurality of rollers are arranged in the inner bottom of the curtain supporting groove rail, and the top of the roller shaft surface is flush with the lower edge of the aluminum alloy curtain.

[0006] Still further, a hook III or a shaft III is arranged near the tail end of the curtain supporting groove rail.

[0007] Still further, a hand-operated screw rod lifting supporting foot is installed near each of the four corners of the counterweight base, and the hand-operated screw rod lifting supporting foot comprises a screw rod and a nut matched with each other, the nut is welded to the counterweight base, the top end of the screw rod is provided with a hand-operated disc, and the bottom end is provided with a foot pad.

[0008] The beneficial effects of this utility model are: the assembly and disassembly of the pull-out protective railing used in construction projects are very convenient and quick, saving labor, time and effort. The protective railing can be easily moved, thus bringing great convenience to the construction process. Attached Figure Description

[0009] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0010] Figure 1 This is a schematic diagram of the main structure of this utility model (in an unused state);

[0011] Figure 2 This is a schematic diagram of the main structure of this utility model (unused state, with the curtain support rail laid flat);

[0012] Figure 3 This is a schematic diagram of the main structure of this utility model (the state after the aluminum alloy curtain is pulled out);

[0013] Figure 4 This is a schematic diagram of the main structure of this utility model (the state when the two guardrails are used together);

[0014] Figure 5 This is a top view of the curtain support rail of this utility model.

[0015] Figure 6 This is a schematic diagram of the cross-sectional structure of the curtain support groove rail of this utility model.

[0016] In the diagram: 1. Counterweight base; 2. Universal caster with brake; 3. Hand-cranked screw lifting support; 4. Curtain tube fixing casing; 4-1. Hook II; 5. Aluminum alloy curtain; 5-1. Handle; 5-2. Hook I; 5-3. Axle I; 6. Track connecting seat; 7. Curtain support track; 7-1. Support foot; 7-2. Axle II; 7-3. Hook III; 7-4. Axle III; 7-5. Roller. Detailed Implementation

[0017] A pull-out, interlocking guardrail for construction projects, such as Figures 1 to 4 As shown, it has a counterweight base 1, with universal casters 2 with brakes installed on the lower side of the counterweight base 1. A curtain tube fixing shell 4 is vertically fixed on the counterweight base 1. A roller shutter is installed inside the curtain tube fixing shell 4. The roller shutter has a self-winding function. The aluminum alloy pull curtain 5 of the roller shutter is provided with a handle 5-1, a hook I 5-2 and a pull shaft I 5-3. A groove rail connecting seat 6 is welded to one side of the lower end of the curtain tube fixing shell 4. A pull curtain support groove rail 7 is hinged on the groove rail connecting seat 6. The pull curtain support groove rail 7 can be erected or laid flat around the groove rail connecting seat 6.

[0018] The universal caster 2 with brake is installed to facilitate the movement and parking of the guardrail frame.

[0019] Referring to Figure 1 When the guardrail frame is not in use, the curtain supporting groove rail 7 is erected, abutting against the outer wall of the curtain tube fixing shell 4 and corresponding to the extracted end of the aluminum alloy curtain 5. At this time, the curtain supporting groove rail 7 can be locked by the cooperation of the hook II 4-1 on the outer wall of the curtain tube fixing shell 4 and the hook shaft II 7-2 on the curtain supporting groove rail 7, so as to ensure that the curtain supporting groove rail 7 will not fall down.

[0020] Referring to Figure 2 , Figure 3 When the guardrail frame is needed to be used, the hook II 4-1 is opened, and the curtain supporting groove rail 7 is laid down. When the curtain supporting groove rail 7 is laid down, the inner bottom thereof is flush with the lower edge of the aluminum alloy curtain 5, and the supporting leg 7-1 welded on the curtain supporting groove rail 7 falls on the counterweight base 1. At this time, the handle 5-1 of the extracted end of the aluminum alloy curtain 5 can be grabbed to pull it out of the roller curtain tube. The curtain supporting groove rail 7 is used to assist the support of the extracted aluminum alloy curtain 5, effectively preventing the extracted aluminum alloy curtain 5 from sagging and bending, and is used to guide the extraction direction of the aluminum alloy curtain 5, and also serves as a guardrail.

[0021] The aluminum alloy curtain roller tube with self-rolling function is a mature technology product on the market, which is mostly used as a roller shutter door and is a core component of the aluminum alloy roller shutter door. The aluminum alloy curtain has the advantages of light weight and high mechanical strength.

[0022] The guardrail frame is generally used in pairs, so the aluminum alloy curtain 5 of the roller tube of a single guardrail frame does not have to be very long (1m-1.5m is enough). Within this length range, the strength and stability of the aluminum alloy curtain 5 and the curtain supporting groove rail 7 are high enough, and the roller tube is also light and small, which does not affect the overall structural strength and stability of the guardrail frame.

[0023] Referring to Figure 4 When the extracted ends of the aluminum alloy curtains 5 of the two guardrail frames are combined, the hook I 5-2 on the extracted end of the aluminum alloy curtain 5 can be connected and locked with the hook shaft I 5-3, or the handles 5-1 of the two aluminum alloy curtains 5 can be locked together by using a padlock to keep the two aluminum alloy curtains 5 connected and locked.

[0024] Referring to Figure 5 , Figure 6 In order to ensure the smoothness of the aluminum alloy curtain 5 when sliding in the curtain supporting groove rail 7 and reduce friction and noise, a plurality of rollers 7-5 are arranged on the inner bottom of the curtain supporting groove rail 7, and the top of the shaft surface of the roller 7-5 is flush with the lower edge of the aluminum alloy curtain 5.

[0025] The hook III 7-3 or the shaft III 7-4 is arranged near the tail end of the curtain supporting groove rail 7. When the two guard fences are matched, the curtain supporting groove rail 7 can also be connected and locked through the cooperation of the hook III 7-3 and the shaft III 7-4, thereby further improving the reliability when the two guard fences are matched and docked, and protecting the aluminum alloy curtain 5.

[0026] In order to make the guard fence have certain height adjustability, and also to adapt to various ground conditions to ensure the stability of the guard fence, a hand-operated screw lifting support foot 3 is arranged near each corner of the counterweight base 1. The hand-operated screw lifting support foot 3 comprises a screw and a nut matched with each other, the nut is welded with the counterweight base 1, the top end of the screw is provided with a hand-operated disc, and the bottom end is provided with a foot pad. By adjusting the four hand-operated screw lifting support feet 3, the overall height of the guard fence can be adjusted within a certain range, and the guard fence can stand more stably.

[0027] The above embodiment is only used for explaining the present application, and is not limited to the protection of the present application. Any non-substantial change based on the essential scheme of the present application shall fall within the protection scope of the present application.

Claims

1. A pull-out, interlocking protective railing for construction projects, characterized in that: The application discloses a curtain rolling device with a counterweight base (1) having a brake universal wheel (2) mounted on the lower side of the counterweight base (1), a curtain tube fixing shell (4) vertically fixedly mounted on the counterweight base (1), a curtain tube installed in the curtain tube fixing shell (4), the curtain tube having a self-rolling function, and an aluminum alloy curtain (5) of the curtain tube, the aluminum alloy curtain (5) being provided with a handle (5-1), a hook I (5-2) and a shaft I (5-3) at the pulling-out end of the aluminum alloy curtain (5). A groove rail connecting seat (6) is welded on one side of the lower end of the curtain tube fixing shell (4), a curtain supporting groove rail (7) is hingedly connected to the groove rail connecting seat (6), the curtain supporting groove rail (7) can be vertically erected or laid flat relative to the groove rail connecting seat (6); when the curtain supporting groove rail (7) is vertically erected, the curtain supporting groove rail (7) is closely arranged on the outer wall of the curtain tube fixing shell (4) and corresponds to the pulling-out end of the aluminum alloy curtain (5), at this time, the curtain supporting groove rail (7) can be locked through the cooperation of a hook II (4-1) on the outer wall of the curtain tube fixing shell (4) and a shaft II (7-2) on the curtain supporting groove rail (7); when the curtain supporting groove rail (7) is laid flat, the inner bottom of the curtain supporting groove rail (7) is flush with the lower edge of the aluminum alloy curtain (5), and meanwhile, a supporting leg (7-1) welded on the curtain supporting groove rail (7) is just laid flat on the counterweight base (1).

2. The sliding concertina-style protective barrier frame for construction work according to claim 1, characterized in that: A plurality of rolling shafts (7-5) are arranged on the inner bottom of the curtain supporting groove rail (7), the top of the shaft surface of the rolling shafts (7-5) is flush with the lower edge of the aluminum alloy curtain (5).

3. The sliding concertina-style protective barrier frame for construction work according to claim 1, characterized in that: A hook III (7-3) or a shaft III (7-4) is arranged at the tail end of the curtain supporting groove rail (7).

4. The sliding concertina-style protective barrier frame for construction work according to claim 1, characterized in that: Hand-operated screw lifting supporting legs (3) are arranged at the positions near the four corners of the counterweight base (1), the hand-operated screw lifting supporting legs (3) comprise a screw and a nut matched with each other, the nut is welded to the counterweight base (1), the top end of the screw is provided with a hand-operated disc, and the bottom end of the screw is provided with a foot pad.

Images