CN211924161U

CN211924161U - Shaft tunnel blasting construction protector

Info

Publication number: CN211924161U
Application number: CN202020450345.8U
Authority: CN
Inventors: 彭赢萱; 刘权厚; 高国航; 冯燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-13
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a shaft tunnel blasting construction protector, which comprises a protective cover, the protection casing includes a plurality of I-steel and steel sheet, and is a plurality of all fixed steel sheet that is provided with between the I-steel, the equal fixed connection box that is provided with in both ends about the steel sheet top, all fixed connecting reinforcement that is provided with between the connection box between both ends about the steel sheet top, be provided with installation mechanism between inside both sides of connection box and the connecting reinforcement, the inside bottom of connection box evenly is provided with a plurality of first springs in the connecting reinforcement below. The utility model provides an equipment work between protection casing makes the staff only need to accomplish the work of embedding the both ends of connecting reinforcement in the connection box just can accomplish through installation mechanism's use, and equipment work is simple swift for this protector's whole operation steps that uses can become more convenient, makes this protector can be faster be applied to shaft tunnel blasting construction, has improved the whole convenience of use of this device.

Description

Shaft tunnel blasting construction protector

Technical Field

The utility model belongs to the construction equipment field especially relates to a shaft tunnel blasting construction protector.

Background

With the continuous development of urban rail transit in China, the construction of tunnels enters a peak period, the environmental impact caused by tunnel construction in urban dense areas is a hot problem in the research of the underground engineering world in recent years, earth surface buildings (structures) are dense, the engineering construction environment is complex, and the owner has high awareness of maintenance. Blasting construction in urban dense areas inevitably influences the lives of residents, and causes serious social influence.

A protector for shaft tunnel blasting construction at present is assembling through a plurality of protection steel sheets and forms for reach the effect of interception protection, but the work of assembling between the protection steel sheet is simple to accomplish through reinforcing bar and rings more, and not only inserts the work of rings with the reinforcing bar more hard, and the connection effect between the protection steel sheet after assembling is relatively poor, consequently for solving above problem, we provide a shaft tunnel blasting construction protector.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shaft tunnel blasting construction protector, the present protector that is used for shaft tunnel blasting construction who aims at solving the above-mentioned existence is assembled through a plurality of protection steel sheets and forms for reach the effect of interception protection, but the work of assembling between the protection steel sheet is simple more to be accomplished through reinforcing bar and rings, and the work that not only inserts the reinforcing bar in the rings is harder, and the relatively poor problem of the effect of connecting between the protection steel sheet after assembling.

The utility model discloses a realize like this, a shaft tunnel blasting construction protector, including the protection casing, the protection casing includes a plurality of I-steel and steel sheet, and is a plurality of all fixed steel sheet that is provided with between the I-steel, the equal fixed connection box that is provided with in both ends about the steel sheet top, all fixed connecting reinforcement that is provided with between the connection box between both ends about the steel sheet top, be provided with installation mechanism between inside both sides of connection box and the connecting reinforcement, the inside bottom of connection box evenly is provided with a plurality of first springs, and is a plurality of be provided with the pressure receiving plate below the connecting reinforcement between the first spring top, all with the connecting reinforcement contact on the pressure receiving plate upper end surface, connecting reinforcement top both ends all are provided with rings.

Preferably, installation mechanism includes recess, pull rod, second spring, fixture block and draw-in groove, the recess has all been seted up in the splice bar both sides to the inside both sides of splice frame, the recess is inside all to be provided with the pull rod through the mounting hole activity, the recess is inside all to be provided with the fixture block in the one end of pull rod, the second spring is installed in the pull rod outside to the recess is inside, the one end of second spring all with fixture block fixed connection, the draw-in groove has all been seted up in recess one side in the outside both ends both sides of splice bar, the one end of fixture block all is located inside the draw-in groove.

Preferably, a baffle is arranged on one side of the inner part of the connecting frame on one side of the first spring.

Preferably, a plurality of rollers are uniformly arranged on four sides of the outer part of the pressed plate through rotating shafts, and one sides of the rollers far away from the pressed plate are respectively contacted with the connecting frame and the baffle.

Preferably, the two sides of the outside of the connecting frame are evenly provided with a limiting block at one end of the pull rod.

Preferably, the surface of one end of each clamping block, which is positioned in the clamping groove, is obliquely arranged.

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

1. the utility model provides an equipment work between protection casing makes the staff only need to accomplish the work of embedding the both ends of connecting reinforcement in the connection box just can accomplish through installation mechanism's use, and equipment work is simple swift for this protector's whole operation steps that uses can become more convenient, makes this protector can be faster be applied to shaft tunnel blasting construction, has improved the whole convenience of use of this device.

2. The utility model is also provided with a first spring and a pressure receiving plate inside the connecting frame, after the connecting and fixing work between the connecting reinforcing steel bar and the connecting frame is completed, the two ends of the connecting reinforcing steel bar can extrude the pressure receiving plate to lead the first spring to be stressed and contracted, and then the protective cover needs to be disassembled and assembled, when the protective cover needs to be disassembled and fixed, the worker only needs to pull the pull rod to lead the clamping block to be separated from the clamping groove, when the clamping block is separated from the clamping groove, the pressure receiving plate can not be pressed because the connecting reinforcing steel bar is not fixed, the first spring can form a reset elastic force to bounce the connecting reinforcing steel bar because the pressure receiving plate loses pressure, thereby leading the clamping groove to be staggered with the groove, leading the clamping block to be unable to be clamped into the clamping groove, even if the worker can complete the separating work between the connecting reinforcing steel bar and the connecting frame without, meanwhile, the use performance of the mounting mechanism is ensured, the situation that the follow-up disassembly and separation work of the protective device becomes complicated due to the structural property of the mounting mechanism is avoided, and the overall use convenience of the device is further improved.

Drawings

Fig. 1 is a sectional view of a front view of a vertical shaft tunnel blasting construction protection device of the utility model;

fig. 2 is a schematic structural view of the installation mechanism of the protective device for blasting construction of the shaft tunnel of the utility model;

fig. 3 is the utility model relates to a shaft tunnel blasting construction protector baffle and connection frame's connection schematic diagram.

In the figure: 1. a protective cover; 2. i-shaped steel; 3. a steel plate; 4. a connecting frame; 5. connecting reinforcing steel bars; 6. an installation mechanism; 7. a first spring; 8. a pressure receiving plate; 9. a hoisting ring; 10. a groove; 11. a pull rod; 12. a second spring; 13. a clamping block; 14. a card slot; 15. a baffle plate; 16. a roller; 17. and a limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a protection device for shaft tunnel blasting construction comprises a protection cover 1, wherein the protection cover 1 comprises a plurality of i-shaped steels 2 and steel plates 3, the steel plates 3 are fixedly arranged between the i-shaped steels 2, connecting frames 4 are fixedly arranged at the upper ends and the lower ends of the tops of the steel plates 3, connecting steel bars 5 are fixedly arranged between the connecting frames 4 between the upper ends and the lower ends of the tops of the steel plates 3, an installation mechanism 6 is arranged between the two sides of the interiors of the connecting frames 4 and the connecting steel bars 5, a plurality of first springs 7 are uniformly arranged at the bottom ends of the interiors of the connecting frames 4 below the connecting steel bars 5, a pressure receiving plate 8 is arranged between the tops of the first springs 7 and below the connecting steel bars 5, the upper end surface of the pressure receiving plate 8 is in contact with the connecting steel bars 5, and lifting.

The utility model discloses in installation mechanism 6 includes recess 10, pull rod 11, second spring 12, fixture block 13 and draw-in groove 14, recess 10 has all been seted up in 5 both sides of coupling bar to the inside both sides of coupling frame 4, recess 10 is inside all to be provided with pull rod 11 through the mounting hole activity, recess 10 is inside all to be provided with fixture block 13 in the one end of pull rod 11, recess 10 is inside to install second spring 12 in the pull rod 11 outside, the one end of second spring 12 all with fixture block 13 fixed connection, draw-in groove 14 has all been seted up in recess 10 one side to the outside both ends both sides of coupling bar 5, fixture block 13's one end all is located inside draw-in groove 14, accomplishes the fixed work of being connected between coupling bar 5 and the coupling frame 4 through installation mechanism 6.

The utility model discloses in inside one side of connecting frame 4 is provided with baffle 15 in first spring 7 one side, and baffle 15 is used for sheltering from spacing pressed plate 8, avoids pressed plate 8 to produce the skew because of the soft position behind the pressurized of first spring 7.

The utility model discloses in it evenly is provided with a plurality of gyro wheels 16, a plurality of through the pivot to receive four sides of 8 outsides of board gyro wheel 16 keep away from one side that receives board 8 respectively with the contact of splice frame 4, baffle 15, gyro wheel 16 can reduce the friction between receiving board 8 and splice frame 4, baffle 15 for receive that board 8 can be more in the same direction as smooth carry out the lifting movement in splice frame 4.

The utility model discloses in the outside both sides of connecting frame 4 evenly are provided with stopper 17 in the one end of pull rod 11, and stopper 17 is used for avoiding pull rod 11 to break away from the mounting hole of being connected with connecting frame 4 because of the spring action of second spring 12 when fixture block 13 does not use.

The utility model discloses in fixture block 13 is located the inside one end surface of draw-in groove 14 and is the slope setting, and fixture block 13 that one end surface set up for the slope can cooperate the process that connecting reinforcement 5 embedded into in the splice frame 4.

The utility model discloses a theory of operation is: the protective device is formed by splicing and assembling a plurality of protective covers 1, when the protective covers 1 are assembled, the protective covers 1 are butted, then two ends of a plurality of connecting reinforcing steel bars 5 are respectively embedded into the connecting frames 4, in the embedding process, the two ends of the connecting reinforcing steel bars 5 are both inclined planes for extruding the clamping blocks 13 so that the clamping blocks 13 are extruded and retracted into the grooves 10, subsequently, when the clamping grooves 14 on the connecting reinforcing steel bars 5 are aligned with the grooves 10, the clamping blocks 13 can move into the clamping grooves 14 under the elastic action of the second springs 12, so that the connection and fixation work between the connecting reinforcing steel bars 5 and the connecting frames 4 is completed, namely the assembly work between different protective covers 1 is completed, at the moment, the two ends of the connecting reinforcing steel bars 5 can extrude the pressed plates 8 so that the first springs 7 are stressed and retracted, after the assembly is completed, the protective device can be hoisted to a tunnel portal needing blasting construction through a hoisting machine and the hoisting rings 9 to shield, to complete the blasting construction protection of the vertical shaft tunnel, when the protective cover 1 needs to be disassembled and assembled subsequently, the worker only needs to pull the pull rod 11 to separate the clamping block 13 from the clamping groove 14, when the clamping block 13 is separated from the clamping groove 14, the pressed plate 8 will not be pressed because the connecting steel bar 5 is not fixed, the first spring 7 will form a reset elastic force to bounce the connecting steel bar 5 because the pressed plate 8 loses pressure, so that the card slot 14 is misaligned with the groove 10, the cartridge 13 is not able to be snapped into the card slot 14, namely, the worker can complete the separation work between the connecting reinforcing steel bars 5 and the connecting frames 4 without synchronously pulling the plurality of pull rods 11 on the two connecting frames 4, the disassembly and separation work between the protective covers 1 can be quickly and simply realized, meanwhile, the service performance of the mounting mechanism 6 is ensured, and the situation that the subsequent disassembling and separating work of the protective device becomes complicated due to the structural property of the mounting mechanism 6 is avoided.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a shaft tunnel blasting construction protector, includes protection casing (1), its characterized in that: the protective cover (1) comprises a plurality of I-shaped steels (2) and steel plates (3), the steel plates (3) are fixedly arranged among the I-shaped steels (2), the upper end and the lower end of the top of the steel plate (3) are both fixedly provided with a connecting frame (4), connecting steel bars (5) are both fixedly arranged between the upper end and the lower end of the top of the steel plate (3) and between the connecting frames (4), an installation mechanism (6) is arranged between the two sides in the connecting frame (4) and the connecting reinforcing steel bars (5), a plurality of first springs (7) are uniformly arranged at the bottom end inside the connecting frame (4) below the connecting steel bar (5), a compression plate (8) is arranged between the top ends of the first springs (7) below the connecting steel bar (5), the upper end surface of the compression plate (8) is in contact with the connecting steel bars (5), and the two ends of the top of each connecting steel bar (5) are provided with hanging rings (9).

2. The protection device for blasting construction of the vertical shaft tunnel according to claim 1, wherein: installation mechanism (6) include recess (10), pull rod (11), second spring (12), fixture block (13) and draw-in groove (14), recess (10) are all seted up in splice bar (5) both sides in inside both sides of splice frame (4), recess (10) are inside all to be provided with pull rod (11) through the mounting hole activity, recess (10) are inside all to be provided with fixture block (13) in the one end of pull rod (11), recess (10) are inside to install second spring (12) in the pull rod (11) outside, the one end of second spring (12) all with fixture block (13) fixed connection, draw-in groove (14) have all been seted up in recess (10) one side in splice bar (5) outside both ends both sides, the one end of fixture block (13) all is located inside draw-in groove (14).

3. The protection device for blasting construction of the vertical shaft tunnel according to claim 1, wherein: a baffle (15) is arranged on one side of the inner part of the connecting frame (4) and on one side of the first spring (7).

4. The protection device for blasting construction of the vertical shaft tunnel according to claim 3, wherein: a plurality of rollers (16) are uniformly arranged on four outer sides of the compression plate (8) through rotating shafts, and one side, far away from the compression plate (8), of each roller (16) is respectively in contact with the connecting frame (4) and the baffle (15).

5. The protection device for blasting construction of the vertical shaft tunnel according to claim 2, wherein: and limiting blocks (17) are uniformly arranged at two outer sides of the connecting frame (4) at one end of the pull rod (11).

6. The protection device for blasting construction of the vertical shaft tunnel according to claim 2, wherein: the surface of one end, located inside the clamping groove (14), of the clamping block (13) is obliquely arranged.