CN114776087A

CN114776087A - Safety protection device for subway construction and use method

Info

Publication number: CN114776087A
Application number: CN202210411947.6A
Authority: CN
Inventors: 陈飞; 张侃; 张旭阳; 高举; 王重权
Original assignee: Wuhan Xingjintai Construction Engineering Co ltd
Current assignee: Wuhan Xingjintai Construction Engineering Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-07-22

Abstract

The invention discloses a safety protection device for subway construction and a using method thereof, wherein the safety protection device comprises a protection ladder cage body, a ladder stand is arranged inside the protection ladder cage body, a door frame is arranged on the side part of the protection ladder cage body, a protection door is rotatably connected to the inner side of the door frame through a hinge, and a splicing top barrel is fixed at the top end of the protection ladder cage body, and the safety protection device comprises the following steps: when the protective ladder cage bodies are stacked and fixed, the splicing bottom column is inserted into the splicing top barrel, and the inclined plane at the bottom end of the fixture block is extruded and slides inwards; according to the invention, through the designed splicing bottom column, the splicing top cylinder, the fixture block and the reset spring, the splicing bottom column is inserted into the splicing top cylinder, and one end of the fixture block is pushed to be clamped into the clamping hole under the action of the reset spring, so that the quick installation and fixation of the invention are realized, and the construction efficiency is improved.

Description

Safety protection device for subway construction and use method

Technical Field

The invention belongs to the technical field of subway construction protection, and particularly relates to a safety protection device for subway construction and a using method.

Background

A frame ladder cage for subway construction safety protection is a safety protection device used in subway construction and used for ensuring the safety of workers on construction sites, a plurality of ladder cages are stacked to reach a proper height, then the workers can conveniently move up and down in a subway pit foundation, and the ladder cages are protected by a side net outside the ladder cages, so that the workers are safer in the up-and-down movement.

The frame ladder cage for subway construction safety protection adopts the screw rod to pass concatenation department when piling up the installation, then uses the nut locking again, leads to its concatenation loaded down with trivial details, influences the construction process, when later stage is dismantled, still need dismantle the screw rod respectively simultaneously, makes it dismantle consuming time hard problem, for this reason we propose one kind be used for subway construction safety protection device and application method.

Disclosure of Invention

The invention aims to provide a safety protection device for subway construction and a using method thereof, and aims to solve the problems that a plurality of screws and nuts are required to be adopted for locking when the safety protection ladder cage for subway construction in the background technology is stacked and spliced, so that the assembly and disassembly are complicated, and the construction process is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a safety protection device for subway construction comprises a protection ladder cage body, wherein a ladder stand is arranged inside the protection ladder cage body, a door frame is arranged on the side portion of the protection ladder cage body, the inner side of the door frame is rotatably connected with a protection door through a hinge, a splicing top cylinder is fixed at the top end of the protection ladder cage body, a splicing bottom column is fixed at the bottom end of the protection ladder cage body, one end of the splicing bottom column is inserted into the splicing top cylinder, a mounting groove is formed in the side wall of the splicing bottom column, a clamping block is arranged inside the mounting groove, a clamping hole is formed in the side wall of the splicing top cylinder, one end of the clamping block extends into the clamping hole, a reset spring is arranged at the other end of the clamping block, the splicing bottom column is inserted into the splicing top cylinder through the designed reset spring, the clamping block, the splicing top cylinder and the splicing bottom column, and then the clamping block is clamped into the clamping hole in the side portion of the splicing top cylinder, can realize quick installation concatenation, make it reduce installation time, and then improve subway efficiency of construction, reset spring is located the inside of mounting groove.

Preferably, the outer wall cover of concatenation fore-set is equipped with presses the lantern ring, the lateral wall of pressing the lantern ring is inlayed and is had a side section of thick bamboo, there is the dismantlement fore-set inside of side section of thick bamboo through sliding connection, through the dismantlement fore-set and the extrusion spring of design, the extrusion spring exerts elasticity extrusion effect to dismantling the fore-set to promote the fixture block through dismantling the fore-set and break away from in the card hole, realize quick dismantlement, the one end of dismantling the fore-set is provided with the extrusion spring.

Preferably, the other end of dismantling the fore-set has seted up spherical groove, the inside of spherical groove is inlayed and is had the ball, through the ball of design, plays lubricated friction reduction effect.

Preferably, a sleeve is arranged inside the reset spring, one end of the sleeve is fixed to the surface of the clamping block, an inner column is arranged inside the other end of the sleeve, deviation rectification guiding is achieved through the designed inner column and the clamping block, and the inner column is fixed to the mounting groove.

Preferably, the lateral wall of fixture block has seted up the bar hole, the inside in bar hole is run through has the anticreep post, the anticreep post is fixed inside the mounting groove.

Preferably, the top of the front end of the protective door is fixedly provided with an installation rod, the surface of the protective ladder cage body is fixedly provided with an end column, a tension spring is connected between the end column and the installation rod, and the tension spring can apply elastic traction to the protective door through the designed tension spring so as to enable the protective door to be closed automatically, avoid safety accidents caused by forgetting to close the protective door, and improve the safety of the safety ladder.

Preferably, the surface of the crawling ladder is provided with a vertical rod, a handrail is fixed on the vertical rod, and safety of climbing up and down the crawling ladder is improved through the designed handrail and the vertical rod.

The invention also comprises a using method of the safety protection device for subway construction, which comprises the following steps: the method comprises the following steps:

the method comprises the following steps: when the protective ladder cage body is stacked and fixed, the splicing bottom column is inserted into the splicing top barrel, the inclined plane at the bottom end of the fixture block is extruded and slides inwards, the splicing bottom column is completely inserted into the splicing top barrel, the reset spring exerts elasticity on the fixture block, the fixture block is guaranteed to automatically slide to the inside under the extrusion action through the designed inclined plane, the avoiding effect is achieved, the installation is simple and convenient, one end of the fixture block is pushed to be clamped in the clamping hole, and the stacking and assembling of the protective ladder cage body are achieved;

step two: the protective ladder cage body is stacked and split, the pressing lantern ring slides upwards, the pressing lantern ring drives the dismounting top pillar to move upwards synchronously, one end of the dismounting top pillar slides to the end part of the clamping block, the extrusion spring exerts an elastic action, the four dismounting top pillars can be conveniently moved up and down synchronously through the designed pressing lantern ring, the dismounting top pillars are pushed to move, and the dismounting top pillars push the clamping block to be separated from the clamping hole;

step three: after the protective ladder cage body is detached, the lantern ring is downwards slid and pressed, in the sliding process, a conical surface at one end of the detaching top column is in contact with and extruded with a port of the clamping hole to generate thrust, the detaching top column is further pushed to be separated from the inside of the clamping hole, and the lantern ring is continuously downwards moved and pressed;

step four: the downthehole anticreep post that is provided with of bar of fixture block, the anticreep post is spacing to the fixture block, makes the fixture block can not break away from in the mounting groove.

Compared with the prior art, the invention has the beneficial effects that:

(1) the splicing bottom column is inserted into the splicing top cylinder through the designed splicing bottom column, the splicing top cylinder, the fixture block and the reset spring, one end of the fixture block is pushed to be clamped into the clamping hole under the action of the reset spring, the quick installation and fixation of the invention are realized, the construction efficiency is improved, the designed pressing lantern ring, the disassembling top column and the extrusion spring drive the disassembling top column to move upwards through the pressing lantern ring and move to the fixture block, the elastic force of the extrusion spring is greater than the elastic force of the reset spring, so that the fixture block is pushed to be separated from the clamping hole, the quick disassembly and separation are realized, the disassembly top column is embedded on the disassembling top column through the designed ball to play a rolling lubricating effect, the friction between the disassembling top column and the splicing sleeve is reduced, the deviation rectification and guidance of the reset spring is realized through the designed inner column and the sleeve, the anti-drop column is arranged in the strip-shaped hole through the designed anti-drop column, the position limitation of the fixture block is realized, avoiding the spring-out and the separation from the inside of the mounting groove.

(2) Through the designed installation rod, the end post and the tension spring, the tension spring is installed on the protective door and the cage body through the end post and the installation rod, so that the tension spring in an elongated state recovers deformation after the protective door is opened, elastic traction is further applied to the protective door, the protective door is quickly moved back and closed, safety accidents caused by the fact that the protective door is not closed are effectively avoided, and the protective safety of the safety door is improved.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 3 is a partial sectional view of the structure at the position A of the present invention;

FIG. 4 is an assembled top view of the split bottom post, split top barrel and pressing collar of the present invention;

FIG. 5 is an enlarged view of the invention at B in FIG. 1;

in the figure: 1. a protective ladder cage body; 2. a protective door; 3. splicing the bottom columns; 4. splicing the top cylinder; 5. a clamping block; 6. a clamping hole; 7. a side cylinder; 8. pressing the lantern ring; 9. disassembling the top column; 10. a ball bearing; 11. extruding the spring; 12. an anti-drop column; 13. a sleeve; 14. an inner column; 15. mounting grooves; 16. a return spring; 17. mounting a rod; 18. a tension spring; 19. an end post.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, the present invention provides a technical solution: a safety protection device for subway construction comprises a protection ladder cage body 1, a ladder stand is arranged inside the protection ladder cage body 1, a door frame is arranged on the side portion of the protection ladder cage body 1, the inner side of the door frame is rotatably connected with a protection door 2 through a hinge, a splicing top cylinder 4 is fixed at the top end of the protection ladder cage body 1, a splicing bottom column 3 is fixed at the bottom end of the protection ladder cage body 1, one end of the splicing bottom column 3 is inserted into the splicing top cylinder 4, a mounting groove 15 is formed in the side wall of the splicing bottom column 3, a fixture block 5 is arranged inside the mounting groove 15, a clamping hole 6 is formed in the side wall of the splicing top cylinder 4, one end of the fixture block 5 extends into the clamping hole 6, a reset spring 16 is arranged at the other end of the fixture block 5, the splicing bottom column 3, the splicing top cylinder 4, the fixture block 5 and the reset spring 16 are designed to insert the splicing bottom column 3 into the splicing top cylinder 4, one end of the fixture block 5 is pushed to be clamped into the clamping hole 6 under the action of the reset spring 16, the quick mounting and fixing of the invention are realized, the construction efficiency is improved, the reset spring 16 is positioned inside the mounting groove 15, the outer wall of the splicing top cylinder 4 is sleeved with the pressing lantern ring 8, the side wall of the pressing lantern ring 8 is inlaid with the side cylinder 7, the inside of the side cylinder 7 is connected with the dismounting top column 9 through sliding, one end of the dismounting top column 9 is provided with the extrusion spring 11, the dismounting top column 9 and the extrusion spring 11 are designed, the dismounting top column 9 is driven to move upwards through the pressing lantern ring 8 and move to the fixture block 5, the action elasticity of the extrusion spring 11 is larger than the elasticity of the reset spring 16, so as to push the fixture block 5 to be separated from the fixture hole 6, the quick dismounting and separating are realized, the other end of the dismounting top column 9 is provided with a spherical groove, the inside of the spherical groove is inlaid with the ball 10, the ball 10 is inlaid on the dismounting top column 9 through the designed ball 10, so as to play a role of rolling lubrication, the friction between the dismounting jack 9 and the splicing sleeve 4 is reduced.

In this embodiment, it is preferred, reset spring 16's inside is provided with sleeve 13, the one end of sleeve 13 is fixed on fixture block 5 surfaces, the inside inner prop 14 that is provided with of the other end of sleeve 13, inner prop 14 and sleeve 13 through the design, the direction of rectifying to reset spring 16 is realized, inner prop 14 is fixed on mounting groove 15, the bar hole has been seted up to fixture block 5's lateral wall, the inside in bar hole is run through there is anticreep post 12, anticreep post 12 through the design, the downthehole portion of bar is arranged in to anticreep post 12, it is spacing to realize the position to its fixture block 5, avoid it to pop out from mounting groove 15 is inside and break away from, anticreep post 12 is fixed inside mounting groove 15.

Example 2

Referring to fig. 1 to 5, the present invention provides a technical solution: a safety protection device for subway construction comprises a protection ladder cage body 1, a ladder stand is arranged inside the protection ladder cage body 1, a door frame is arranged on the side portion of the protection ladder cage body 1, the inner side of the door frame is rotatably connected with a protection door 2 through a hinge, a splicing top cylinder 4 is fixed at the top end of the protection ladder cage body 1, a splicing bottom column 3 is fixed at the bottom end of the protection ladder cage body 1, one end of the splicing bottom column 3 is inserted into the splicing top cylinder 4, a mounting groove 15 is formed in the side wall of the splicing bottom column 3, a fixture block 5 is arranged inside the mounting groove 15, a clamping hole 6 is formed in the side wall of the splicing top cylinder 4, one end of the fixture block 5 extends into the clamping hole 6, a reset spring 16 is arranged at the other end of the fixture block 5, the splicing bottom column 3, the splicing top cylinder 4, the fixture block 5 and the reset spring 16 are designed to insert the splicing bottom column 3 into the splicing top cylinder 4, one end of the fixture block 5 is pushed to be clamped into the clamping hole 6 under the action of the reset spring 16, the quick mounting and fixing of the invention are realized, the construction efficiency is improved, the reset spring 16 is positioned in the mounting groove 15, the outer wall of the splicing top cylinder 4 is sleeved with the pressing lantern ring 8, the side wall of the pressing lantern ring 8 is inlaid with the side cylinder 7, the inner part of the side cylinder 7 is connected with the dismounting top column 9 in a sliding way, one end of the dismounting top column 9 is provided with the extrusion spring 11, the dismounting top column 9 and the extrusion spring 11 are designed, the dismounting top column 9 is driven to move upwards by the pressing lantern ring 8 and moves to the fixture block 5, the action elasticity of the extrusion spring 11 is greater than the elasticity of the reset spring 16, so as to push the fixture block 5 to be separated from the fixture hole 6, the quick dismounting and separating is realized, the other end of the dismounting top column 9 is provided with a spherical groove, the inside of the spherical groove is inlaid with the ball 10, the ball 10 is inlaid on the dismounting top column 9 by the designed ball 10, so as to play a rolling lubrication role, the friction between the dismounting jack 9 and the splicing sleeve 4 is reduced.

In this embodiment, it is preferred, reset spring 16's inside is provided with sleeve 13, the one end of sleeve 13 is fixed on fixture block 5 surface, the inside inner prop 14 that is provided with of the other end of sleeve 13, inner prop 14 and sleeve 13 through the design, the direction of rectifying is realized to reset spring 16, inner prop 14 is fixed on mounting groove 15, the bar hole has been seted up to fixture block 5's lateral wall, the inside in bar hole is run through there is anticreep post 12, anticreep post 12 through the design, bar downthehole portion is arranged in to anticreep post 12, it is spacing to realize the position to its fixture block 5, avoid it to pop out from mounting groove 15 is inside and break away from, anticreep post 12 is fixed inside mounting groove 15.

In this embodiment, preferably, the top of the front end of the protective door 2 is fixed with a mounting rod 17, the surface of the protective ladder cage body 1 is fixed with an end post 19, a tension spring 18 is connected between the end post 19 and the mounting rod 17, and through the designed mounting rod 17, the end post 19 and the tension spring 18, the tension spring 18 is mounted on the protective door 2 and the cage body through the end post 19 and the mounting rod 17, so that after the protective door 2 is opened, the tension spring 18 in an elongated state is restored to be deformed, and further, elastic traction is applied to the protective door 2, so that the protective door 2 is quickly moved back and closed, thereby effectively avoiding safety accidents caused by the fact that the protective door 2 is not closed, and improving the protective safety of the invention.

The working principle and the using process of the invention are as follows: when the protection ladder cage body 1 is stacked and fixed, the splicing bottom column 3 is inserted into the splicing top barrel 4, the inclined plane at the bottom end of the clamping block 5 is extruded and slides inwards, the splicing bottom column 3 is completely inserted into the splicing top barrel 4, the reset spring 16 applies elasticity to the clamping block 5, one end of the clamping block 5 is pushed to be clamped in the clamping hole 6, the protection ladder cage body 1 is stacked and assembled, the protection ladder cage body 1 is stacked and disassembled, the clamping ring 8 is slid upwards to press the clamping ring 8, the dismounting top column 9 is driven to synchronously move upwards, one end of the dismounting top column 9 slides to the end part of the clamping block 5, the extrusion spring 11 applies elasticity, the acting force of the extrusion spring 11 is larger than the elasticity of the reset spring 16 at the moment, the dismounting top column 9 is pushed to move, the dismounting top column 9 pushes the clamping block 5 to be separated from the inside of the clamping hole 6, the dismounting of the protection ladder cage body 1 is completed, the pressing clamping ring 8 slides downwards, in the sliding process, the conical surface at one end of the dismounting support pillar 9 is in contact with and extrudes with the port of the clamping hole 6 to generate thrust, so that the dismounting support pillar 9 is pushed to be separated from the inside of the clamping hole 6, the pressing sleeve ring 8 is continuously moved downwards, and the pressing sleeve ring 8 is moved to the bottom, the strip-shaped hole of the fixture block 5 is internally provided with the anti-falling pillar 12, and the anti-falling pillar 12 limits the fixture block 5 so that the fixture block 5 cannot be separated from the mounting groove 15.

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

1. The utility model provides a be used for subway construction safety device, includes the protection ladder cage body (1), the inside of the protection ladder cage body (1) is provided with the cat ladder, the lateral part of the protection ladder cage body (1) is provided with the door frame, the inboard of door frame is connected with protection door (2), its characterized in that through the hinge rotation: the top of the protection ladder cage body (1) is fixed with a concatenation jack-up (4), the bottom mounting of the protection ladder cage body (1) has a concatenation foundation (3), the one end of concatenation foundation (3) is inserted in a concatenation jack-up (4), mounting groove (15) have been seted up to the lateral wall of concatenation foundation (3), the inside of mounting groove (15) is provided with fixture block (5), card hole (6) have been seted up to the lateral wall of a concatenation jack-up (4), the one end of fixture block (5) extends to inside card hole (6), the other end of fixture block (5) is provided with reset spring (16), reset spring (16) are located the inside of mounting groove (15).

2. A safety device for subway construction according to claim 1, characterized in that: the outer wall cover of concatenation jack-out (4) is equipped with presses down the lantern ring (8), the lateral wall of pressing down the lantern ring (8) is inlayed and is had a side section of thick bamboo (7), there is dismantlement fore-set (9) inside of a side section of thick bamboo (7) through sliding connection, the one end of dismantling fore-set (9) is provided with extrusion spring (11).

3. A safety protection device for subway construction according to claim 2, characterized in that: the other end of the dismounting support pillar (9) is provided with a spherical groove, and a ball (10) is embedded in the spherical groove.

4. A safety device for subway construction according to claim 1, characterized in that: the inside of reset spring (16) is provided with sleeve (13), the one end of sleeve (13) is fixed on fixture block (5) surface, the inside inner column (14) that is provided with of the other end of sleeve (13), inner column (14) are fixed on mounting groove (15).

5. A safety device for subway construction according to claim 4, characterized in that: a strip-shaped hole is formed in the side wall of the clamping block (5), an anti-falling column (12) penetrates through the inside of the strip-shaped hole, and the anti-falling column (12) is fixed inside the mounting groove (15).

6. A safety device for subway construction according to claim 1, characterized in that: the front end top of guard gate (2) is fixed with installation pole (17), the fixed surface of protection ladder cage body (1) has end post (19), be connected with extension spring (18) between end post (19) and installation pole (17).

7. The safety protection device for subway construction according to claim 1, characterized in that: the ladder stand surface is provided with the pole setting, be fixed with the handrail in the pole setting.

8. The use method of the safety protection device for subway construction according to any one of claims 1-7, characterized by that: the method comprises the following steps:

the method comprises the following steps: when the protective ladder cage body (1) is stacked and fixed, the splicing bottom column (3) is inserted into the splicing top cylinder (4), the inclined plane at the bottom end of the fixture block (5) is extruded and slides inwards, the splicing bottom column (3) is completely inserted into the splicing top cylinder (4), the reset spring (16) applies elasticity to the fixture block (5) and pushes one end of the fixture block (5) to be clamped in the clamping hole (6), and the protective ladder cage body (1) is stacked and assembled;

step two: the protective ladder cage body (1) is stacked and detached, the pressing lantern ring (8) slides upwards, the pressing lantern ring (8) drives the dismounting top column (9) to move upwards synchronously, one end of the dismounting top column (9) slides to the end part of the clamping block (5), the extrusion spring (11) exerts an elastic force effect to push the dismounting top column (9) to move, and the dismounting top column (9) pushes the clamping block (5) to be separated from the inside of the clamping hole (6);

step three: the protective ladder cage body (1) is completely disassembled, the lantern ring (8) is downwards slid and pressed, in the sliding process, the conical surface at one end of the disassembling top column (9) is mutually contacted and extruded with the port of the clamping hole (6) to generate thrust, so that the disassembling top column (9) is pushed to be separated from the inside of the clamping hole (6), and the lantern ring (8) is continuously downwards moved and pressed;

step four: the anti-falling device is characterized in that anti-falling columns (12) are arranged in the strip-shaped holes of the clamping blocks (5), the anti-falling columns (12) limit the clamping blocks (5), and the clamping blocks (5) cannot be separated from the mounting grooves (15).