CN215639113U

CN215639113U - Protective device capable of being installed and fixed quickly for tunnel blasting

Info

Publication number: CN215639113U
Application number: CN202121244030.9U
Authority: CN
Inventors: 李唐军; 李志勇; 邹兴林; 蒋昌俊; 胡波; 宋汝坤
Original assignee: Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Current assignee: Fourth Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-25
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a protective device for tunnel blasting, which can be quickly installed and fixed, and comprises a fixed plate and a fixed rod, wherein the fixed plate and the fixed rod are connected and fixed through a connecting assembly; preferably, coupling assembling includes and connects inserted block, fixed slot, fixed column, connection slot, activity fixture block, extrusion piece, arc extrusion chute, the activity lantern ring, rubber sleeve, connect inserted block integrated into one piece setting in the one end of dead lever to the bilateral symmetry of connecting the inserted block is provided with fixed slot, and coupling assembling and the locking structure through setting up, can realize blasting sound insulation protector's quick installation fixed, and have fine steadiness, also very convenient to the dismantlement in its later stage, and easy to operate provides convenience for the staff, improves work efficiency.

Description

Protective device capable of being installed and fixed quickly for tunnel blasting

Technical Field

The utility model relates to the technical field of tunnel blasting, in particular to a protective device for tunnel blasting, which can be quickly installed and fixed.

Background

With the rapid development of infrastructure, tunnel construction is more and more complex; in tunnel construction, the drilling and blasting method is the oldest, most common and most common construction method, and is determined to be a main construction method for tunnel construction in a long period of time in the future due to the characteristics of economy, simplicity, reliable process and the like.

At present to the chinese patent document that has granted the publication number for CN212870956U now discloses tunnel blasting sound insulation protector, and it passes through the setting of protection network, inoxidizing coating, first puigging and second puigging, can make the sound insulation of device and protective effect better, through the setting of breather pipe and scavenger fan, can discharge the harmful gas in the cableway fast when the blasting finishes, through the setting of dust removal storehouse and water pocket, can spout the clear water when the blasting and tentatively remove dust.

When the dust removal protective net is installed and used, the protective net is installed inside the dust removal bin, and then the protective net fixing seat, the dust removal bin, the protective layer, the first sound insulation layer and the second sound insulation layer are fixed through the fixing nut, the fixing plate and the fixing rod; after the equipment is ended, with the device installation tunnel crossing, fix the device on the tunnel through fixed plate and fixed orifices, use fixation nut to carry out fixed mounting to it for its installation fixed work inefficiency, and also bring inconvenience to the dismantlement maintenance and the change work in later stage, and then probably influence its normal use, delay tunnel blasting construction progress.

Therefore, the utility model provides a protective device for tunnel blasting, which can be quickly installed and fixed and is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective device for tunnel blasting, which can be quickly installed and fixed, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a protective device capable of being quickly installed and fixed for tunnel blasting comprises a fixed plate and a fixed rod, wherein the fixed plate and the fixed rod are fixedly connected through a connecting assembly, the connecting assembly comprises a connecting insert block, a fixed clamping groove, a fixed column, a connecting slot, a movable clamping block, an extrusion block, an arc-shaped extrusion chute, a movable lantern ring and a rubber sleeve, the connecting insert block is integrally formed and arranged at one end of the fixed rod, the fixed clamping groove is symmetrically arranged at two sides of the connecting insert block, the fixed column is integrally formed and arranged at one side of the fixed plate, the connecting slot penetrates through the fixed plate and extends into the fixed column, the movable clamping block is symmetrically and movably arranged in the fixed column and is arranged at the side of the connecting slot, the extrusion block is integrally formed at one end of the movable clamping block, first convex blocks are symmetrically arranged at two sides of the movable clamping block, and first reset springs are integrally formed on the first convex blocks, the other end of the first reset spring is integrally formed in the fixed column, the other end of the extrusion block is movably arranged in the arc extrusion chute, the arc extrusion chute is arranged in the movable lantern ring in an equidistant mode, the movable lantern ring is movably sleeved on the fixed column, the outer side wall of the movable lantern ring is sleeved with the rubber sleeve, and the movable lantern ring is locked and fixed through the locking structure.

Preferably, the movable fixture blocks are arranged at positions corresponding to the fixed clamping grooves and are arranged in the same number, and the cross section of the end parts of the movable fixture blocks is the same as that of the notches of the fixed clamping grooves, namely the cross sections of the movable fixture blocks and the notches of the fixed clamping grooves are equal in length and width.

Preferably, the extrusion block is movably arranged in the arc-shaped extrusion chute, and the end part of the extrusion block is arranged to be an arc-shaped surface.

Preferably, the locking structure includes locking draw-in groove, fixed block, locking fixture block, draws and detains, the locking draw-in groove sets up in one side of the movable lantern ring, the fixed block welding sets up on the fixed plate to the avris position that sets up at the movable lantern ring, the activity is provided with the locking fixture block in the fixed block, the one end welding of locking fixture block is provided with and draws and detains, and one side integrated into one piece of locking fixture block is provided with the second lug, and integrated into one piece is provided with second reset spring on the second lug, and second reset spring other end integrated into one piece sets up in the fixed block.

Preferably, the locking fixture blocks and the locking clamping grooves are arranged at corresponding positions and in the same number, and the width of the cross section of the end part of each locking fixture block is equal to the width of the notch of each locking clamping groove.

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

the utility model improves and optimizes the case CN212870956U, can realize the quick installation and fixation of the blasting sound insulation protective device through the arranged connecting assembly and the locking structure, has good stability, is very convenient for the later disassembly, is easy to operate, provides convenience for workers and improves the working efficiency.

Drawings

FIG. 1 is a top view of a structural joint according to the present invention;

FIG. 2 is a bottom view of the structural attachment of the present invention;

FIG. 3 is an enlarged partial view of the structural joint of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the connection between the fixing plate and the fixing rod according to the present invention;

fig. 5 is a partial sectional view of the connection assembly and locking structure of the present invention.

In the figure: the fixing device comprises a fixing plate 1, a fixing rod 2, a connecting insert block 3, a fixing clamping groove 4, a fixing column 5, a connecting slot 6, a movable clamping block 7, an extrusion block 8, an arc-shaped extrusion chute 9, a movable lantern ring 10, a rubber sleeve 11, a locking clamping groove 12, a fixing block 13, a locking clamping block 14 and a pull buckle 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model discloses a protective device for tunnel blasting, which can be quickly installed and fixed.

The connecting component comprises a connecting plug block 3, a fixed clamping groove 4, a fixed column 5, a connecting slot 6, a movable clamping block 7, an extruding block 8, an arc-shaped extruding chute 9, a movable lantern ring 10 and a rubber sleeve 11, wherein the connecting plug block 3 is integrally formed at one end of a fixed rod 2, the fixed clamping grooves 4 are symmetrically arranged at two sides of the connecting plug block 3, the fixed column 5 is integrally formed at one side of the fixed plate 1, the connecting slot 6 penetrates through the fixed plate 1 and extends into the fixed column 5, the movable clamping block 7 is symmetrically and movably arranged in the fixed column 5 and is arranged at the side of the connecting slot 6, the movable clamping block 7 and the fixed clamping grooves 4 are correspondingly arranged at the same position and are the same in set number, the section shape of the end part of the movable clamping block 7 is the same as that of the notch of the fixed clamping groove 4, namely the sections of the movable clamping block 7 are equal in length and width, the extruding block 8 is integrally formed at one end of the movable clamping block 7, the both sides integrated into one piece symmetry of activity fixture block 7 is provided with first lug, integrated into one piece is provided with first reset spring on the first lug, first reset spring other end integrated into one piece sets up in fixed column 5, the other end activity of extrusion piece 8 sets up in arc extrusion chute 9, set up in arc extrusion chute 9 to extrusion piece 8 activity here, the tip of extrusion piece 8 sets up to the arcwall face, arc extrusion chute 9 equidistance sets up in the activity lantern ring 10, the activity of the activity lantern ring 10 cup joints the setting on fixed column 5, and the lateral wall of the activity lantern ring 10 cup joints and is provided with rubber sleeve 11, the activity lantern ring 10 locks fixedly through locking structure.

The locking structure here includes locking draw-in groove 12, fixed block 13, locking fixture block 14, draw buckle 15, locking draw-in groove 12 sets up the one side at the activity lantern ring 10, fixed block 13 welds and sets up on fixed plate 1, and set up the avris position at the activity lantern ring 10, the activity is provided with locking fixture block 14 in the fixed block 13, it is corresponding with locking draw-in groove 12 setting position to locking fixture block 14 here, it is the same to set up the group number, and the tip cross-sectional width of locking fixture block 14 equals with the notch width of locking draw-in groove 12, the one end welding of locking fixture block 14 is provided with draw buckle 15, and one side integrated into one piece of locking fixture block 14 is provided with the second lug, integrated into one piece is provided with second reset spring on the second lug, the second reset spring other end integrated into one piece sets up in fixed block 13.

When the utility model is used for installation and fixation, the connecting plug 3 at one end of the fixed rod 2 is directly inserted into the connecting slot 6, then the movable sleeve 10 is rotated, the arc extrusion chute 9 in the movable sleeve 10 extrudes the extrusion block 8, the extrusion block 8 pushes the movable fixture block 7 to be clamped into the fixed slot 4 at the side of the connecting plug 3, meanwhile, the locking slot 12 at one side of the movable sleeve 10 reaches the position of the locking fixture block 14, the locking fixture block 14 is clamped into the locking slot 12 under the action of the second reset spring, thereby realizing the locking and fixation of the movable sleeve 10, the installation and fixation can be quickly completed, when disassembly is needed, the pull buckle 15 at one end of the locking fixture block 14 is directly pulled, so that the locking fixture block 14 is separated from the locking slot 12, then the movable sleeve 10 is rotated in the opposite direction, so that the extrusion of the extrusion chute 9 to the extrusion block 8 is relieved, the movable clamping block 7 is separated from the connecting slot 6 under the action of the first return spring, so that the installation and fixation of the fixing plate 1 and the fixing rod 2 can be quickly released, and the operation is simple.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can install fixed protector for tunnel blasting fast, includes fixed plate (1), dead lever (2), its characterized in that: the fixing plate (1) and the fixing rod (2) are connected and fixed through the connecting assembly; the connecting assembly comprises a connecting insert block (3), a fixed clamping groove (4), a fixed column (5), a connecting slot (6), a movable clamping block (7), an extruding block (8), an arc-shaped extruding chute (9), a movable sleeve ring (10) and a rubber sleeve (11), wherein the connecting insert block (3) is integrally formed at one end of the fixed rod (2), the fixed clamping grooves (4) are symmetrically arranged at two sides of the connecting insert block (3), the fixed column (5) is integrally formed at one side of the fixed plate (1), the connecting slot (6) penetrates through the fixed plate (1) and extends into the fixed column (5), the movable clamping block (7) is symmetrically and movably arranged in the fixed column (5) and is arranged at the side of the connecting slot (6), the extruding block (8) is integrally formed at one end of the movable clamping block (7), and first convex blocks are symmetrically arranged at two sides of the movable clamping block (7), integrated into one piece is provided with first reset spring on the first lug, and first reset spring other end integrated into one piece sets up in fixed column (5), the other end activity of extrusion piece (8) sets up in arc extrusion chute (9), arc extrusion chute (9) equidistance sets up in the activity lantern ring (10), the activity of the activity lantern ring (10) is cup jointed and is set up on fixed column (5) to the lateral wall of the activity lantern ring (10) cup joints and is provided with rubber sleeve (11), and the activity lantern ring (10) is locked fixedly through locking structure.

2. The protection device for tunnel blasting that can install and fix fast according to claim 1, characterized by: the movable fixture blocks (7) are arranged at positions corresponding to the fixed clamping grooves (4) and are arranged in the same number, and the cross sections of the end parts of the movable fixture blocks (7) are the same as the cross sections of the notches of the fixed clamping grooves (4), namely the cross sections of the movable fixture blocks and the notches are equal in length and width.

3. The protection device for tunnel blasting that can install and fix fast according to claim 1, characterized by: the extrusion block (8) is movably arranged in the arc-shaped extrusion chute (9), and the end part of the extrusion block (8) is arranged to be an arc-shaped surface.

4. The protection device for tunnel blasting that can install and fix fast according to claim 1, characterized by: locking structure includes locking draw-in groove (12), fixed block (13), locking fixture block (14), draws and detains (15), locking draw-in groove (12) set up the one side in the movable sleeve ring (10), fixed block (13) welding sets up on fixed plate (1) to the avris position of setting in the movable sleeve ring (10), the activity is provided with locking fixture block (14) in fixed block (13), the one end welding of locking fixture block (14) is provided with draws and detains (15) to one side integrated into one piece of locking fixture block (14) is provided with the second lug, and integrated into one piece is provided with second reset spring on the second lug, and second reset spring other end integrated into one piece sets up in fixed block (13).

5. The protection device for tunnel blasting that can install and fix fast according to claim 4, characterized by: the locking fixture blocks (14) are arranged at positions corresponding to the locking clamping grooves (12) and are arranged in the same number, and the width of the cross section of the end parts of the locking fixture blocks (14) is equal to the width of the notches of the locking clamping grooves (12).