CN216446649U - Rail guard for civil engineering - Google Patents

Abstract

The utility model relates to the technical field of civil engineering and discloses a guard rail for civil engineering, which comprises a base, an upright post and a telescopic device, wherein the telescopic device is fixedly connected to one side of the upright post, the telescopic device comprises a fixing sleeve, a rotating rod, a turbine, a worm rod, a turntable, a threaded rod and a fixing rod, the fixing sleeve is fixedly connected to one side of the upright post, the rotating rod is rotatably connected with the bottom of the inner wall of the fixing sleeve through a first bearing, and the turbine is fixedly arranged on the rotating rod. Through rotating the carousel, drive the scroll bar and rotate to make the turbine rotate, can drive the bull stick during turbine rotation and rotate, thereby make the threaded rod rotate, when the threaded rod rotates, can drive the dead lever and carry out horizontal migration, thereby make the dead lever be in the outside length variation of fixed cover, the output through the telescoping cylinder also changes along with the length variation of fixed lever simultaneously, makes the width change of rail guard, thereby reaches the purpose of being convenient for adjust the rail guard width.

Description

Rail guard for civil engineering

Technical Field

The utility model relates to the technical field of civil engineering, in particular to a guard rail for civil engineering.

Background

Civil engineering refers to various engineering facilities such as houses, roads, railways, pipelines, tunnels, bridges, canals, dams, harbors, power stations, airports, ocean platforms, water supply and drainage, protection engineering and the like which are directly or indirectly constructed on the ground or underground or on land and serve for human life, production, military and scientific research, and civil engineering refers to various technical works such as investigation, planning, design, construction, installation and maintenance and the like which are carried out for newly building, reconstructing or expanding buildings, structures, related supporting facilities and the like of various engineering besides building construction and engineering entities finished according to Chinese patents: "a rail guard for civil engineering", and the publication number is: CN207092691U, which realizes the simplification of the structure by changing the shape of a simple steel tube, arranging a positioning hole in the middle and a positioning piece at the bottom, but also ensures the safety of the whole guard railing, ensures that constructors or equipment cannot easily fall into a foundation pit by arranging the telescopic fence net in the middle of the guard railing, meanwhile, the surface is provided with a reflective warning sticker for reminding constructors of paying attention to safety, the connecting part of the guardrail is provided with a rotating shaft for connection, the shape surrounded by the guard railing can be changed, the whole appearance of the guard railing is beautiful, the structure is simple, the installation amount of constructors is greatly reduced, can be used for a plurality of times, ensures the life safety, is safe and convenient to use, has wide applicability, two stands of this patent are connected through the rail post, and stability is better, but inconvenient distance of adjusting between two stands, and the practicality is relatively poor under different environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective guard for civil engineering, which achieves the purpose of conveniently adjusting the protective guard.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rail guard for civil engineering, includes base, stand and telescoping device, telescoping device fixed connection is in one side of stand, telescoping device is including fixed cover, bull stick, turbine, scroll bar, carousel, threaded rod, dead lever, fixed cover fixed connection is in one side of stand, the bull stick is rotated through the inner wall bottom of first bearing and fixed cover and is connected, turbine fixed mounting is on the bull stick, the scroll bar runs through one side of fixed cover through the second bearing and extends to the inside of fixed cover, and the scroll bar is connected with the turbine meshing, carousel fixed connection is in the outside one end of fixed cover at the scroll bar, threaded rod fixed connection is at the top of bull stick, the thread groove has been seted up to the one end of dead lever, and thread groove and threaded rod threaded connection.

Preferably, fixedly connected with is fixed to be detained on the dead lever, the flexible barrier net of one end fixedly connected with of fixed knot, one side fixedly connected with telescoping cylinder of stand, and the telescoping cylinder is under fixed cover, through set up flexible barrier net at the guardrail intermediate position, guarantees that constructor or equipment can not fall into the foundation ditch easily and go, through setting up the telescoping cylinder, can drive the output of telescoping cylinder when making the dead lever remove to adjust the distance between two stands.

Preferably, the top fixedly connected with elevating gear of base, elevating gear includes sleeve, fixing base, bolt, spacing hole, sleeve fixed mounting is at the top of base, and the outer wall sliding connection of telescopic inner wall and stand, fixing base fixed connection is at telescopic top, bolt and fixing base sliding connection, spacing hole is seted up on the outer wall of stand, through setting up elevating gear, drives the stand and goes up and down to adjust the height of rail guard.

Preferably, the bottom shape of dead lever is square, and the inner wall sliding connection of dead lever and fixed cover, through setting up the bottom of dead lever to square, makes the dead lever can only slide in fixed cover, unable rotation.

The utility model provides a protective guard for civil engineering. The method has the following beneficial effects:

(1) the worm rod is driven to rotate through the rotating turntable, so that the worm wheel rotates, the rotating rod is driven to rotate when the worm wheel rotates, the threaded rod rotates, the fixed rod is driven to horizontally move when the threaded rod rotates, so that the length of the fixed rod outside the fixed sleeve is changed, the width of the protective guard is changed through the change of the output end of the telescopic cylinder along with the change of the length of the fixed rod, and the purpose of conveniently adjusting the width of the protective guard is achieved.

(2) According to the utility model, the upright post is pulled upwards, so that the outer wall of the upright post slides along the inner wall of the sleeve, and when the upright post is pulled to a specified height, the bolt is inserted into the limiting hole formed in the upright post, so that the upright post is fixed, the integral height of the protective guard is raised, and the purpose of conveniently adjusting the height of the protective guard is achieved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the retractor of the present invention;

fig. 4 is a front view of the lifting device of the present invention.

In the figure: 1. a base; 2. a column; 3. a telescoping device; 301. fixing a sleeve; 302. a rotating rod; 303. a turbine; 304. a scroll bar; 305. a turntable; 306. a threaded rod; 307. fixing the rod; 4. a fixing buckle; 5. a telescopic fence net; 6. a telescopic cylinder; 7. a lifting device; 701. a sleeve; 702. a fixed seat; 703. a bolt; 704. and a limiting hole.

Detailed Description

As shown in fig. 1 to 4, the present invention provides a technical solution: a guard railing for civil engineering comprises a base 1, an upright 2 and a telescopic device 3, wherein the telescopic device 3 is fixedly connected to one side of the upright 2, the telescopic device 3 comprises a fixed sleeve 301, a rotating rod 302, a turbine 303, a worm 304, a rotary disc 305, a threaded rod 306 and a fixing rod 307, the fixed sleeve 301 is fixedly connected to one side of the upright 2, the rotating rod 302 is rotatably connected to the bottom of the inner wall of the fixed sleeve 301 through a first bearing, the turbine 303 is fixedly installed on the rotating rod 302, the worm 304 extends into the fixed sleeve 301 through one side of the fixed sleeve 301 through a second bearing, the worm 304 is meshed with the turbine 303 and is meshed with the turbine 304, the rotating disc 305 can drive the rotating rod 302 to rotate, the rotary disc 305 is fixedly connected to one end, located outside the fixed sleeve 301, of the worm 304, the threaded rod 306 is fixedly connected to the top of the rotating rod 302, one end of the fixing rod 307 is provided with a threaded groove, the threaded groove is in threaded connection with the threaded rod 306, the bottom of the fixing rod 307 is square, the fixing rod 307 is in sliding connection with the inner wall of the fixing sleeve 301, the bottom of the fixing rod 307 is square, the fixing rod 307 can only slide in the fixing sleeve 301 and cannot rotate, the fixing buckle 4 is fixedly connected to the fixing rod 307, one end of the fixing buckle 4 is fixedly connected with the telescopic fence net 5, the telescopic cylinder 6 is fixedly connected to one side of the upright post 2, the telescopic cylinder 6 is located right below the fixing sleeve 301, the telescopic fence net 5 is arranged in the middle of the guardrail, it is guaranteed that a constructor or equipment cannot easily fall into a foundation pit, the output end of the telescopic cylinder 6 can be driven to move when the fixing rod 307 moves by arranging the telescopic cylinder 6, the distance between the two upright posts 2 is adjusted, the lifting device 7 is fixedly connected to the top of the base 1, and the lifting device 7 comprises a sleeve 701, Fixing base 702, bolt 703, spacing hole 704, sleeve 701 fixed mounting is at the top of base 1, and the inner wall of sleeve 701 and the outer wall sliding connection of stand 2, and fixing base 702 fixed connection is at the top of sleeve 701, and bolt 703 and fixing base 702 sliding connection, spacing hole 704 are seted up on the outer wall of stand 2, through setting up elevating gear 7, drive stand 2 and go up and down to adjust the height of rail guard.

The working principle is as follows: by rotating the turntable 305, the turntable 305 rotates to drive the worm 304 fixedly connected with the turntable 305 to rotate, so that the turbine 303 engaged and connected with the worm 304 rotates, because the turbine 303 is fixedly connected with the rotating rod 302, when the turbine 303 rotates, the rotating rod 302 is driven to rotate, so that the threaded rod 306 fixedly connected with one end of the rotating rod 302 rotates, because the threaded rod 306 is in threaded connection with the threaded hole formed at the bottom of the fixed rod 307, when the threaded rod 306 rotates, the fixed rod 307 is driven to horizontally move, so that the fixed rod 307 is positioned outside the fixed sleeve 301, and meanwhile, the output end of the telescopic cylinder 6 is changed along with the length change of the fixed rod 307, so that the width of the guard rail is changed, and the purpose of conveniently adjusting the width of the guard rail is achieved; the upright post 2 is pulled upwards to enable the outer wall of the upright post 2 to slide along the inner wall of the sleeve 701, the fixed seat 702 is fixedly connected to the top of the sleeve 701, the bolt 703 is slidably connected to the fixed seat 702, and when the upright post 2 is pulled to a specified height, the bolt 703 is inserted into a limiting hole 704 formed in the upright post 2, so that the upright post 2 is fixed, the overall height of the protective guard is raised, and the purpose of conveniently adjusting the height of the protective guard is achieved.

Claims (4)

1. The utility model provides a rail guard for civil engineering, includes base (1), stand (2) and telescoping device (3), its characterized in that: telescoping device (3) fixed connection is in one side of stand (2), telescoping device (3) is including fixed cover (301), bull stick (302), worm wheel (303), worm (304), carousel (305), threaded rod (306), dead lever (307), fixed cover (301) fixed connection is in one side of stand (2), bull stick (302) is rotated with the inner wall bottom of fixed cover (301) through first bearing and is connected, worm wheel (303) fixed mounting is on bull stick (302), worm (304) run through the inside that one side of fixed cover (301) extended to fixed cover (301) through the second bearing, and worm (304) are connected with worm wheel (303) meshing, carousel (305) fixed connection is in the outside one end of fixed cover (301) at worm (304), threaded rod (306) fixed connection is at the top of bull stick (302), one end of the fixed rod (307) is provided with a thread groove, and the thread groove is in threaded connection with the threaded rod (306).

2. The guard rail for civil engineering as claimed in claim 1, wherein: fixedly connected with fixed knot (4) on dead lever (307), the one end fixedly connected with flexible fence net (5) of fixed knot (4), one side fixedly connected with telescoping cylinder (6) of stand (2), and telescoping cylinder (6) are in under fixed cover (301).

3. The guard rail for civil engineering as claimed in claim 1, wherein: the top fixedly connected with elevating gear (7) of base (1), elevating gear (7) include sleeve (701), fixing base (702), bolt (703), spacing hole (704), sleeve (701) fixed mounting is at the top of base (1), and the inner wall of sleeve (701) and the outer wall sliding connection of stand (2), fixing base (702) fixed connection is at the top of sleeve (701), bolt (703) and fixing base (702) sliding connection, spacing hole (704) are seted up on the outer wall of stand (2).

4. The guard rail for civil engineering as claimed in claim 1, wherein: the bottom of the fixing rod (307) is square, and the fixing rod (307) is connected with the inner wall of the fixing sleeve (301) in a sliding mode.

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