CN220705357U

CN220705357U - Protective fence

Info

Publication number: CN220705357U
Application number: CN202321780741.7U
Authority: CN
Inventors: 付尊金
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-04-02
Anticipated expiration: 2033-07-07

Abstract

The utility model belongs to the technical field of constructional engineering, and particularly relates to a protective guard, which comprises an upper protective guard and a lower protective guard, wherein the upper protective guard is vertically arranged in the lower protective guard, the lower protective guard is arranged in a mounting hole of a supporting column through a connecting rod, a mounting frame of the upper protective guard is arranged on a push plate in the supporting column, a tooth-shaped clamping groove is formed in one surface of the supporting column, a cover-shaped gear is arranged at the top of the supporting column, a ball is arranged on the contact surface of the cover-shaped gear and a shell, a limiting shaft, a face gear and a synchronous wheel are arranged in the shell, the limiting shaft penetrates through the synchronous wheel and is fixed on the shell, one end of a rope is wound on the synchronous wheel, the other end of the rope is connected with the push plate, and a buckle is arranged at the bottom of the mounting frame.

Description

Protective fence

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to a protective fence.

Background

With the development of constructional engineering, the requirements on the safety and the efficiency of construction sites are higher and higher. The construction engineering protective guard plays an important role in a construction site and is used for defining a safety area and protecting constructors. However, different construction stages and work requirements may require guard rails of different heights, which presents a certain amount of trouble to the constructors. Most of traditional constructional engineering protective fences adopt a design with fixed height, and the requirements of flexible adjustment and diversified construction requirements cannot be met. The job site may require guard rails of different heights to accommodate various work scenarios, such as high-altitude construction, low-altitude operation, cleaning maintenance, and the like. In addition, the safety requirements and risk conditions of the construction site can also change at different stages, and the heights of the guard rails need to be adjusted correspondingly. However, conventional fixed-height guard rails have some limitations in coping with different construction stages and work requirements.

Disclosure of Invention

In view of the above problems, an object of the present utility model is to: the utility model provides a rail guard possesses the elevating gear that can manual rotation adjusted to have easy installation, quick detachable characteristic, realize the arbitrary regulation to rail guard height when guaranteeing convenient, practical.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model particularly relates to a rail guard, including last rail guard, lower rail guard, go up the rail guard rail pole and install perpendicularly in lower rail guard rail pole, the fixed connecting rod that is provided with in the both sides of lower rail guard, lower rail guard passes through the connecting rod and installs in the mounting hole of support column, the fixed mounting bracket that is provided with in both sides of going up the rail guard, the mounting bracket is installed in the inside push pedal of support column, the elongated slot has been seted up to the support column inboard, the support column top is equipped with the casing, be equipped with lid form gear on the casing, lid form gear is equipped with the ball with the casing contact surface, the inside spacing axle that is equipped with of casing, face gear, synchronizing wheel, spacing axle pass synchronizing wheel and block establish on the casing, the one end of connecting the rope is twined at the middle part of synchronizing wheel, the push pedal is connected to the other end of rope, the mounting bracket bottom is equipped with the buckle.

The beneficial effects of the utility model are as follows: the lower rail guard is fixed through the connection of connecting rod and the mounting hole of support column, have easy installation, quick detachable characteristic, be equipped with the lid form gear on the support column top, through rotatory lid form gear, make the inside gear structure of casing follow and rotate, the synchronizing wheel that twines the rope simultaneously also follows and rotate, the push pedal is connected to the rope bottom, go up the mounting bracket of rail guard just installs on the push pedal, so go up the rail guard and will follow the selection of lid form gear and go up elevating movement, and still be equipped with the buckle in last rail guard mounting bracket bottom, ensure that the rail guard can keep stable height in the use.

To simplify the installation of the guard rail;

as a further improvement of the above technical scheme: the lower part of the connecting rod is provided with a columnar protruding structure, and the slotted hole formed in the mounting hole is matched with the columnar protruding structure below the connecting rod.

The beneficial effects of this improvement are: the improvement greatly simplifies the installation process of the guard rail and ensures the guard rail to be firm and reliable. And the guard rail is easy to disassemble, and is convenient to replace or maintain when needed.

In order to enable the guard rail to freely lift;

as a further improvement of the above technical scheme: the lower guard rail guard bar is of a hollow structure, and the upper guard rail guard bar is vertically inserted into the lower guard rail guard bar; the support column is faced to one side of the guard rail and is provided with a long groove for the installation rack to pass through, and both sides of the long groove are uniformly provided with tooth-shaped clamping grooves.

The beneficial effects of this improvement are: through hollow structure's connected mode, the rail guard can realize freely going up and down, and the user can be according to the light height of adjusting the rail guard of specific demand to adapt to different engineering requirement and construction environment.

In order to make the lifting function highly controllable;

as a further improvement of the above technical scheme: one end of a rope is wound and connected in the middle of the synchronous wheel, the other end of the rope is connected with a pushing plate, and the upper protective guard mounting frame is fixed on the pushing plate.

The beneficial effects of this improvement are: the lifting height is adjusted through synchronous wheel rotation, so that the precise control of the lifting function of the guard rail is realized.

To fix the height of the guard rail;

as a further improvement of the above technical scheme: the bottom of the upper protective guard mounting frame is provided with a buckle, the width of the buckle is matched with a toothed clamping groove on one side of the support column, and the buckle is fixed on the bottom of the upper protective guard mounting frame through a shaft screw and rotates by taking the shaft screw as a circle center.

The beneficial effects of this improvement are: ensures that the protective guard can keep stable height in the use process, and increases the strength and the safety of the protective guard.

To control the lifting of the rope more accurately;

as a further improvement of the above technical scheme: the shell is provided with a fixed mounting hole of a limiting shaft, the synchronous wheel is mounted on the limiting shaft, the face gear is mounted on one side of the synchronous wheel, and the face gear is attached to the tooth surface of the cover-shaped gear; the cover-shaped gear is internally provided with a gear structure, and the tooth shape of the face gear is meshed with the tooth shape of the cover-shaped gear and is vertically attached to one side of the cover-shaped gear.

The beneficial effects of this improvement are: accurate control to rope lift process can be realized through rotatory lid form gear, not only convenient but also swift and guaranteed the high accurate positioning of rail guard, more reliable and accurate lift function has been provided.

None of the parts of the device are the same as or can be implemented using prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic view of the front cross-section of the present utility model;

FIG. 4 is an enlarged schematic view of the portion B in FIG. 3;

FIG. 5 is an exploded view of the lifting device of the present utility model;

FIG. 6 is a schematic side view of the present utility model;

in the figure: 1. a lower guard rail; 2. an upper guard rail; 3. a support column; 4. a cover-shaped gear; 5. a housing; 6. a ball; 7. face gears; 8. a synchronizing wheel; 9. a limiting shaft; 10. a rope; 11. a push plate; 12. a buckle; 13. a limiting wheel; 101. a connecting rod; 201. a mounting frame; 301. and (5) mounting holes.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary purposes only and for explanatory purposes, and should not be construed as limiting the scope of the present utility model in any way.

As shown in fig. 1-6, a guard rail comprises an upper guard rail 2 and a lower guard rail 1, wherein the upper guard rail 2 is vertically installed in the lower guard rail 1, the lower guard rail 1 is installed in an installation hole 301 of a supporting column 3 through a connecting rod 101, an installation frame 201 of the upper guard rail 2 is installed on a push plate 11 inside the supporting column 3, a toothed clamping groove is formed in one surface of the supporting column 3, a cover-shaped gear 4 is arranged at the top of the supporting column 3, a ball 6 is arranged at the contact surface of the cover-shaped gear 4 and a shell 5, a limiting shaft 9, a face gear 7 and a synchronous wheel 8 are arranged inside the shell 5, the limiting shaft 9 penetrates through the synchronous wheel 8 and is fixed on the shell 5, one end of a rope 10 is wound on the synchronous wheel 8, the other end of the rope 10 is connected with a push plate 11, a buckle 12 is arranged at the bottom of the installation frame 201, the lower guard rail 1 is fixed through connection of the connecting rod 101 and the installation hole 301 of the supporting column 3, the cover-shaped gear 4 is arranged at the top of the supporting column 3, the cover-shaped gear 4 is rotated, the rope-shaped gear 4 is enabled to rotate inside the shell 5, and the rope 10 is simultaneously wound on the synchronous wheel 11, and the rope 11 is simultaneously, the rope-shaped gear 11 is also driven to rotate, and the upper guard rail 2 is selectively driven to rotate, and the lifting and the upper guard rail 2 is connected with the push plate 11. The lower guard rail 1 is connected with the mounting holes 301 of the support columns 3 through the connecting rods 101, the lower guard rail 1 guard rail rod is of a hollow structure, the upper guard rail 2 guard rail rod is vertically arranged in the lower guard rail 1 guard rail rod in a connecting mode of the hollow structure, the guard rail can be lifted freely, a user can easily adjust the height of the guard rail according to specific requirements so as to adapt to different engineering requirements and construction environments, ropes 10 are wound on the outer sides of the synchronous wheels 8, the ropes 10 vertically extend into the support columns 3 and are fixedly provided with push plates 11, the lifting height is adjusted through rotation of the synchronous wheels 8, the precise control of the lifting function of the guard rail is realized, buckles 12 are arranged at the bottom of the mounting frame 201 of the upper guard rail 2, the width of the buckle 12 is matched with a toothed clamping groove on one side of the support column 3, the buckle 12 is fixed at the bottom of the installation frame 201 of the upper protective guard 2 through a shaft screw, the shaft screw is used as a circle center to rotate, the stable height of the protective guard can be kept in the using process, the strength and the safety of the protective guard are improved, a fixed mounting hole 301 of a limiting shaft 9 is formed in the shell 5, the synchronous wheel 8 is mounted on the limiting shaft 9, the face gear 7 is mounted on one side of the synchronous wheel 8, the face gear 7 is attached to the tooth surface of the cover gear 4, accurate control of the lifting process of the rope 10 can be realized through rotating the cover gear 4, the accurate positioning of the height of the protective guard is convenient and quick, and a more reliable and accurate lifting function is provided.

The working principle and the using flow of the utility model are as follows: through manual selection lid form gear 5, the inside face gear 7 of casing rotates along with the rotation of lid form gear 5, simultaneously synchronizing wheel 8 rotates along with the rotation of face gear 7, when synchronizing wheel 8 rotates, twine in the rope 10 in synchronizing wheel 8 outside and will go up and down along with it, push pedal 11 is being connected to rope 10 bottom, go up rail guard mounting bracket 201 and lie in push pedal 11, the motion of push pedal 11 makes and goes up rail guard 2 high change, will go up the buckle 12 expansion card of rail guard mounting bracket 201 bottom and go into the draw-in groove of support column 3 one side after going up and down to suitable position, thereby keep the stability of rail guard.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the principles of the utility model, and it will be appreciated that numerous modifications, adaptations and variations may be made thereto and that specific features may be combined in a suitable manner by those skilled in the art without departing from the principles of the utility model, as defined herein; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. A guard rail, characterized in that: including last rail guard (2), lower rail guard (1), go up rail guard (2) shelves pole and install perpendicularly in lower rail guard (1) shelves pole, the both sides of lower rail guard (1) are fixed to be provided with connecting rod (101), in mounting hole (301) of support column (3) are installed through connecting rod (101) to lower rail guard (1), the both sides of going up rail guard (2) are fixed to be provided with mounting bracket (201), mounting bracket (201) are installed on inside push pedal (11) of support column (3), the elongated slot has been seted up to support column (3) inboard, support column (3) top is equipped with casing (5), be equipped with lid form gear (4) on casing (5), lid form gear (4) are equipped with ball (6) with casing (5) contact surface, casing (5) are inside to be equipped with spacing axle (9), face gear (7), synchronizing wheel (8), spacing wheel (13), spacing axle (9) pass synchronizing wheel (8) and the card is established on casing (5), the winding rope (10) of synchronizing wheel (8) are connected to the middle part, the one end (10) is equipped with buckle (10) bottom (10).

2. A guard rail according to claim 1, characterized in that: the lower part of the connecting rod (101) is provided with a columnar protruding structure, a slotted hole formed in the mounting hole (301) is matched with the columnar protruding structure below the connecting rod (101), the baffle rod of the lower guard rail (1) is of a hollow structure, and the baffle rod of the upper guard rail (2) is vertically inserted into the baffle rod of the lower guard rail (1).

3. A guard rail according to claim 1, characterized in that: the support column (3) is provided with a long groove for the installation rack (201) to pass through towards one side of the protective guard, and both sides of the long groove are uniformly provided with tooth-shaped clamping grooves.

4. A guard rail according to claim 1, characterized in that: the upper guard rail mounting frame (201) is inserted into the support column (3) from one side of the support column (3) and is fixed on the push plate (11), two buckles (12) are movably arranged at the bottom of the mounting frame (201) of the upper guard rail (2), and the width of each buckle (12) is matched with a toothed clamping groove on one side of the support column (3).

5. A guard rail according to claim 4, wherein: the buckle (12) is fixed at the bottom of the upper guard rail mounting frame (201) through a shaft screw and rotates around the shaft screw as a circle center.

6. A guard rail according to claim 1, characterized in that: the shell (5) is provided with a fixed mounting hole of a limiting shaft (9), the face gear (7) is mounted on one side of the synchronous wheel (8), and the limiting wheel (13) is mounted on the other side of the synchronous wheel (8).

7. A guard rail according to claim 1, characterized in that: the inside of lid form gear (4) is the gear structure, face gear (7) profile of tooth meshes with lid form gear (4) profile of tooth and laminating perpendicularly in lid form gear (4) one side.