CN213205195U - But height-adjusting's construction guardrail - Google Patents

Abstract

The utility model belongs to the technical field of construction equipment, specifically disclose a height-adjustable construction guardrail, including PMKD, main frame, lifter plate, main guardrail and extension guardrail, be fixed with the main frame on the PMKD, the front and the back of main frame have seted up the standing groove, the both sides wall of standing groove has seted up the draw-in groove, the both sides of main frame are fixed with down the briquetting, down the briquetting and draw-in groove sliding connection; the inner walls of two sides of the main frame are provided with symmetrical lifting chutes, the inner walls of two sides of the main frame are positioned between the lifting chutes and are provided with main chutes, and the top ends of the main chutes and the lifting chutes are connected with transverse connecting grooves; a lifting plate is arranged in the main frame, symmetrical limiting blocks are fixed on two sides of the lifting plate, and the limiting blocks are connected with the lifting sliding grooves in a sliding manner; symmetrical plug-in posts are fixed on the lifting plate, fixing posts are fixed on two sides of the extension guardrail, and slots matched with the plug-in posts are formed in the bottoms of the fixing posts.

Description

But height-adjusting's construction guardrail

Technical Field

The utility model relates to a but height-adjusting's construction guardrail belongs to construction equipment technical field.

Background

At present, in the building work progress, a protection network can all be built to the building periphery usually, on the one hand is for strengthening construction safety, avoids building material landing to hinder constructor, and on the other hand can also prevent that the diffusion of dust from influencing peripheral sanitary environment in the work progress, and although simple structure, convenient to use, nevertheless do not have high regulatory function current rail guard, current rail guard in case damage just needs whole change in the less while of application range to life is shorter, and the practicality is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but height-adjusting's construction guardrail to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a height-adjustable building construction guardrail comprises a fixed bottom plate, a main frame, a lifting plate, a main guardrail and an extension guardrail, wherein the main frame is fixed on the fixed bottom plate, placing grooves are formed in the front and the back of the main frame, clamping grooves are formed in two side walls of the placing grooves, lower pressing blocks are fixed on two sides of the main frame and are connected with the clamping grooves in a sliding mode; the inner walls of two sides of the main frame are provided with symmetrical lifting chutes, the inner walls of two sides of the main frame are positioned between the lifting chutes and are provided with main chutes, and the top ends of the main chutes and the lifting chutes are connected with transverse connecting grooves; a lifting plate is arranged in the main frame, symmetrical limiting blocks are fixed on two sides of the lifting plate, and the limiting blocks are connected with the lifting sliding grooves in a sliding manner; symmetrical plug-in posts are fixed on the lifting plate, fixing posts are fixed on two sides of the extension guardrail, and slots matched with the plug-in posts are formed in the bottoms of the fixing posts.

Preferably, a fastening spring is fixed at the bottom of the lifting chute, and a fastening block is fixed on the fastening spring.

Preferably, the lower pressing block positioned at the topmost end and the corresponding main frame are provided with aligned and communicated threaded through holes, and fastening bolts are arranged in the threaded through holes.

Preferably, the main chute is internally provided with an adjusting shaft near the bottom in a rotating manner, one end of the adjusting shaft extending to the outside of the main frame is fixed with a turntable, a first transmission wheel is fixed on the adjusting shaft, a second transmission wheel is rotatably arranged above the first transmission wheel in the transverse connection groove, and a synchronous wheel symmetrical about the first transmission wheel is rotatably arranged in the transverse connection groove.

Preferably, the first driving wheel is connected with the second driving wheel through a first crawler belt, the first driving wheel is connected with the synchronizing wheel through a second crawler belt, a steel cable is connected to the synchronizing wheel in a winding mode, and the steel cable is connected with the limiting block.

Preferably, a through hole is formed in the turntable close to the edge, and a bolt is inserted into the through hole; the outer side wall of the main frame is opposite to the bolt turntable and provided with a plurality of fixing holes, and the fixing holes are distributed in a circular shape.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a but height-adjusting's construction guardrail, through being provided with the main frame, the front and the back of main frame are provided with the standing groove, the both sides of standing groove are provided with the draw-in groove, a plurality of main guardrails have been placed in the standing groove, through the fixed effect of pushing down briquetting and draw-in groove sliding connection in main guardrail both sides, realize the limit function of main guardrail, through the fixed action of fastening bolt and screw thread through-hole cooperation realization main guardrail, be provided with fastening spring and fastening block through the bottom at the draw-in groove, under the effect of fastening spring elasticity, make the fastening block extrude down the briquetting and then make the in close contact with between each main guardrail, improve this guardrail overall structure's compactness and stability.

The utility model is provided with the lifting plate, symmetrical inserting columns are fixed on the lifting plate, which is convenient for realizing the installation and the disassembly between the extension guardrail and the lifting plate; through being provided with first drive wheel, second drive wheel and synchronizing wheel, under the drive of regulating spindle for first drive wheel and second drive wheel drive synchronizing wheel and rotate and then shrink the cable wire, and the cable wire drives the stopper upward movement and then drives the lifter plate and shift up, and the lifter plate drives the extension guardrail and shifts up, realizes adjustment guardrail height function.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the main guardrail and the main frame;

FIG. 3 is a schematic view of the connection structure of the extension guardrail and the main frame;

FIG. 4 is a schematic diagram of an inner sidewall structure of the main frame.

In the figure: 1. fixing the bottom plate; 2. a main frame; 201. a placement groove; 202. a card slot; 203. a lifting chute; 204. a main chute; 205. connecting grooves in a transverse direction; 206. a fixing hole; 3. a lifting plate; 4. a main guardrail; 5. Extending the guard bar; 6. pressing the block; 7. a limiting block; 8. inserting the column; 9. fixing a column; 901. a slot; 10. A fastening spring; 11. a fastening block; 12. fastening a bolt; 13. an adjustment shaft; 14. a turntable; 15. a first drive pulley; 16. a bolt; 17. a second transmission wheel; 18. a synchronizing wheel; 19. a first track; 20. a second crawler belt; 21. a steel cord.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a height-adjustable construction guardrail comprises a fixed bottom plate 1, a main frame 2, a lifting plate 3, a main guardrail 4 and an extension guardrail 5, wherein the main frame 2 is fixed on the fixed bottom plate 1, placing grooves 201 are formed in the front and the back of the main frame 2, clamping grooves 202 are formed in two side walls of each placing groove 201, lower pressing blocks 6 are fixed on two sides of the main guardrail 4, and the lower pressing blocks 6 are connected with the clamping grooves 202 in a sliding mode; the inner walls of two sides of the main frame 2 are provided with symmetrical lifting sliding chutes 203, the inner walls of two sides of the main frame 2 are positioned between the lifting sliding chutes 203 and are provided with main sliding chutes 204, and the top ends of the main sliding chutes 204 and the lifting sliding chutes 203 are connected with transverse connecting grooves 205; a lifting plate 3 is arranged in the main frame 2, two symmetrical limiting blocks 7 are fixed on two sides of the lifting plate 3, and the limiting blocks 7 are slidably connected with the lifting sliding chute 203; symmetrical plug-in columns 8 are fixed on the lifting plate 3, fixing columns 9 are fixed on two sides of the expansion guardrail 5, and fixing holes 901 matched with the plug-in columns 8 are formed in the bottoms of the fixing columns 9.

Further, a fastening spring 10 is fixed at the bottom of the lifting chute 203, and a fastening block 11 is fixed on the fastening spring 10.

Furthermore, the lower pressing block 6 at the topmost end and the corresponding main frame 2 are provided with aligned and communicated threaded through holes, and fastening bolts 12 are arranged in the threaded through holes.

Further, a regulating shaft 13 is rotatably arranged near the bottom in the main sliding groove 204, a rotary table 14 is fixed at one end of the regulating shaft 13 extending out of the main frame 2, a first driving wheel 15 is fixed on the regulating shaft 13, a second driving wheel 17 is rotatably arranged above the first driving wheel 15 in the transverse connecting groove 205, and a synchronizing wheel 18 symmetrical with respect to the first driving wheel 15 is rotatably arranged in the transverse connecting groove 205.

Furthermore, the first driving wheel 15 is connected with the second driving wheel 17 through a first crawler belt 19, the first driving wheel 15 is connected with the synchronizing wheel 18 through a second crawler belt 20, a steel cable 21 is wound on the synchronizing wheel 18, and the steel cable 21 is connected with the limiting block 7.

Furthermore, a through hole is formed in the turntable 14 close to the edge, and a bolt 16 is inserted into the through hole; the outer side wall of the main frame 2 opposite to the plug 16 is provided with a plurality of fixing holes 901, and the fixing holes 901 are distributed in a circular shape.

The working principle is as follows: the utility model relates to a height-adjustable building construction guardrail, in use, when the height of the guardrail needs to be adjusted, the adjusting shaft 13 is driven to rotate through the turntable 14 so as to drive the first driving wheel 15 to rotate, the first driving wheel 15 drives the second driving wheel 17 to rotate through the first crawler belt, the second driving wheel 17 drives the synchronizing wheel 18 to rotate through the second crawler belt 20, the synchronizing wheel 18 contracts the steel cable 21, the steel cable 21 drives the stopper 7 to move upwards, the stopper 7 drives the lifting plate 3 to move upwards, the lifting plate 3 drives the extension guardrail 5 to move upwards, the function of adjusting the whole height of the guardrail is realized, finally, the fixing function of the turntable 14 is realized by inserting the bolt 16 into the fixing hole 206 so as to realize the function of extending the guardrail, and the practicability of the guardrail is increased; when the extension guardrail 5 is damaged and needs to be replaced, the separation function of the extension guardrail 5 can be realized only by separating the fixing column 9 from the inserting column 8, and then the replacement function of the extension guardrail 5 can be realized by mounting the intact extension guardrail 5 on the lifting plate 3 by utilizing the combination of the fixing column 9 and the inserting column 8; when main guardrail 4 is changed to needs, can take off fastening bolt 12 earlier, then take main guardrail 4 out from standing groove 201 and can realize the dismantlement function of main guardrail 4, then with in the main guardrail 4 that is good reinserts standing groove 201, realize the fixed change function that can main guardrail 4 of main guardrail 4 through the cooperation of fastening bolt 12 and screw through-hole once more to prolong the life of this guardrail 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a but height-adjusting's construction guardrail which characterized in that: the movable guardrail device comprises a fixed bottom plate (1), a main frame (2), a lifting plate (3), a main guardrail (4) and an extension guardrail (5), wherein the main frame (2) is fixed on the fixed bottom plate (1), placing grooves (201) are formed in the front and the back of the main frame (2), clamping grooves (202) are formed in two side walls of each placing groove (201), lower pressing blocks (6) are fixed on two sides of the main guardrail (4), and the lower pressing blocks (6) are connected with the clamping grooves (202) in a sliding mode; the inner walls of two sides of the main frame (2) are provided with symmetrical lifting sliding chutes (203), the inner walls of two sides of the main frame (2) are positioned between the lifting sliding chutes (203) and are provided with main sliding chutes (204), and the top ends of the main sliding chutes (204) and the lifting sliding chutes (203) are connected with transverse connecting grooves (205); a lifting plate (3) is arranged in the main frame (2), two symmetrical limiting blocks (7) are fixed on two sides of the lifting plate (3), and the limiting blocks (7) are connected with a lifting sliding chute (203) in a sliding manner; symmetrical inserting columns (8) are fixed on the lifting plate (3), fixing columns (9) are fixed on two sides of the expansion guardrail (5), and slots (901) matched with the inserting columns (8) are formed in the bottoms of the fixing columns (9).

2. The height-adjustable construction fence according to claim 1, wherein: a fastening spring (10) is fixed at the bottom of the lifting chute (203), and a fastening block (11) is fixed on the fastening spring (10).

3. The height-adjustable construction fence according to claim 1, wherein: the lower pressing block (6) positioned at the topmost end and the corresponding main frame (2) are provided with threaded through holes which are aligned and communicated, and fastening bolts (12) are arranged in the threaded through holes.

4. The height-adjustable construction fence according to claim 1, wherein: the main sliding groove (204) is internally provided with an adjusting shaft (13) close to the bottom in a rotating mode, one end, extending to the outside of the main frame (2), of the adjusting shaft (13) is fixed with a turntable (14), a first driving wheel (15) is fixed on the adjusting shaft (13), a second driving wheel (17) is arranged above the first driving wheel (15) in the transverse connecting groove (205) in a rotating mode, and a synchronizing wheel (18) symmetrical about the first driving wheel (15) is arranged in the transverse connecting groove (205) in a rotating mode.

5. The height-adjustable construction fence according to claim 4, wherein: the first transmission wheel (15) is connected with the second transmission wheel (17) through a first crawler belt (19), the first transmission wheel (15) is connected with the synchronizing wheel (18) through a second crawler belt (20), a steel cable (21) is wound on the synchronizing wheel (18), and the steel cable (21) is connected with the limiting block (7).

6. The height-adjustable construction fence according to claim 4, wherein: a through hole is formed in the turntable (14) close to the edge, and a bolt (16) is inserted into the through hole; a plurality of fixing holes (206) are formed in the position, opposite to the bolt (16), of the outer side wall of the main frame (2), and the fixing holes (206) are distributed in a circular shape.

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