CN219064323U

CN219064323U - Blasting safety protection net

Info

Publication number: CN219064323U
Application number: CN202223556977.0U
Authority: CN
Inventors: 乐海涛; 李海明; 曾小虎
Original assignee: Guangxi Guofang Construction Engineering Co ltd
Current assignee: Guangxi Guofang Construction Engineering Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-23
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a blasting safety protection net, and belongs to the technical field of blasting construction. The blasting safety protection net comprises a supporting mechanism and a protection assembly, wherein the supporting mechanism consists of a inserted link, a connecting rod and a sleeve, and the protection assembly consists of a net piece, a front clamping piece, a rear clamping piece and a frame body. The beneficial effects of the utility model are as follows: the support mechanism is used for supporting the safety protection net component, the inserted rod is used for being inserted on the ground foundation, the safety protection net component is conveniently supported, the sleeve is used for being matched and connected with the inserted rod and the connecting rod, the extending length of the connecting rod is adjusted along the sleeve, the length of the support mechanism is conveniently expanded according to requirements, the support mechanism is suitable for protecting blasting pits at different positions, meanwhile, the frame component is additionally matched with the fixed net sheet, the combined buffer structure can further stabilize the position of the net sheet, holes needing blasting are protected, blasting shock waves and splashes are reduced, and the safety performance is improved.

Description

Blasting safety protection net

Technical Field

The utility model relates to the technical field of blasting construction, in particular to a blasting safety protection net.

Background

Blasting (blasting) is a technique that utilizes the compression, loosening, destruction, throwing and killing effects of explosives in air, water, earth and stone media or objects to achieve the intended purpose. When explosive package or charge explodes in soil and stone medium or structure, the soil and stone medium or structure is compressed, deformed, destroyed, loosened and thrown, and the explosive package or charge is mainly used for soil and stone engineering, and the demolition of metal buildings and structures, etc.

At present, the existing blasting safety protection net is an independent piece of rubber woven net sheet in normal condition, and is directly covered on a blasting hole when in use, and then the edge is simply fixed, so that the net sheet is easy to blow off when in blasting, and shock waves and splashes generated during blasting are easy to fly out from gaps of the net sheet.

Disclosure of Invention

In order to overcome the defects, the utility model provides a blasting safety protection net, which aims to solve the problems that in the normal case, a single piece of rubber woven net is directly covered on a blasting hole and then the edge is simply fixed, so that the net is easy to blow off during blasting, and shock waves and splashes generated during blasting are easy to fly out of a net gap.

The utility model is realized in the following way:

the utility model provides a blasting safety protection net, which comprises

The support mechanism consists of a plug rod, a connecting rod and a sleeve, wherein the connecting rod is movably inserted into the sleeve, and the plug rod is in threaded connection with the bottom of the sleeve;

the protection component consists of a net piece, a front clamping piece, a rear clamping piece and a frame body, wherein the net piece is fixed between the front clamping piece and the rear clamping piece through threads, a spring is connected between the front clamping piece and a through hole in the side wall of the rear clamping piece through threads, the other end of the spring is connected with the inner side wall of the frame body through a bolt, and the upper end of the connecting rod is sleeved in the middle of a rotating shaft in the side wall of the frame body.

In one embodiment of the utility model, the end part of the rotating shaft of the side wall of the frame body is connected with a locking piece in a threaded manner, and the locking piece is positioned outside the end part of the connecting rod.

In one embodiment of the utility model, the end part of the sleeve is in threaded connection with a handle, the handle is sleeved on the outer side wall of the connecting rod, and anti-skid lines are formed on the outer side of the handle at equal intervals.

In one embodiment of the utility model, the handle is internally clamped with the elastic pieces, the side walls of the connecting rods are provided with positioning holes at equal intervals, the side walls of the elastic pieces are provided with bump structures matched with the positioning holes, and the bumps of the side walls of the elastic pieces are inserted in the middle of the positioning holes.

In one embodiment of the utility model, the side wall of the handle is clamped with a button, the inner side of the button is contacted with one side of the elastic sheet, and a cavity structure corresponding to the button is arranged in the handle.

In one embodiment of the utility model, the side wall of the rear clamping piece is inserted with a baffle, and the baffle is positioned on the outer side wall of the net piece.

In one embodiment of the utility model, the side wall of the sleeve is in threaded connection with a handle bolt, and the side wall of the frame is provided with a threaded hole structure matched with the end thread of the handle bolt.

In one embodiment of the utility model, the side walls of the front clamping piece and the rear clamping piece are provided with matched stripe structures, matched bolt holes are arranged at equal intervals, and avoidance grooves matched with the net sheet are arranged between the front clamping piece and the rear clamping piece.

The beneficial effects of the utility model are as follows: the supporting mechanism formed by the inserted bars, the connecting rods and the sleeves is used for supporting the safety protection net assembly, wherein the inserted bars are used for being inserted into the ground, the safety protection net assembly is conveniently supported, the sleeves are used for being matched and connected with the inserted bars and the connecting rods, the extending length of the connecting rods is adjusted along the sleeves, the length of the supporting mechanism is conveniently expanded, the safety protection net is suitable for protecting blasting pits at different positions, meanwhile, the frame assembly is additionally matched with the fixed net sheet, the combined buffer structure can further stabilize the positions of the net sheet, holes needing blasting are protected, and blasting shock waves and splashes are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a plane usage state structure of a blasting-safety protection net according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a lifting use state of a blasting safety protection net according to an embodiment of the present utility model;

FIG. 3 is a schematic side view of a blasting safety protection net according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a supporting mechanism of a blasting safety protection net according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a handle assembly of a blasting-safety protection net according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a mesh assembly of a blasting safety protection net according to an embodiment of the present utility model.

In the figure: 100-supporting mechanisms; 101-inserting a rod; 102-a connecting rod; 103-sleeve; 104-a handle; 105-shrapnel; 106, positioning holes; 107-button; 108-a handle bolt; 200-a protective component; 201-mesh sheet; 202-a front clip; 203-a rear clip; 204-a frame; 205-spring; 206-locking member; 207-baffle.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-6, the present utility model provides a technical solution: the supporting mechanism 100 consists of an inserted rod 101, a connecting rod 102 and a sleeve 103, wherein the connecting rod 102 is movably inserted into the sleeve 103, the inserted rod 101 is in threaded connection with the bottom of the sleeve 103, the supporting mechanism 100 consisting of the inserted rod 101, the connecting rod 102 and the sleeve 103 is used for supporting the safety protection net assembly, the inserted rod 101 is used for being inserted on the ground, the protection net assembly is conveniently supported, the sleeve 103 is used for being matched with the inserted rod 101 and the connecting rod 102, the extending length of the connecting rod 102 is adjusted along the sleeve 103, the length of the supporting mechanism 100 is conveniently expanded, the end part of the connecting rod 102 is used for butt-joint installation of the protection assembly 200, and protection is carried out on blasting pits at different positions;

referring to fig. 1-6, the protection component 200 is composed of a mesh 201, a front clamping piece 202, a rear clamping piece 203 and a frame 204, wherein the mesh 201 is fixed between the front clamping piece 202 and the rear clamping piece 203 through threads, a spring 205 is connected between the through holes of the side walls of the front clamping piece 202 and the rear clamping piece 203 through threads, the other end of the spring 205 is connected on the inner side wall of the frame 204 through bolts, the upper end of a connecting rod 102 is sleeved in the middle of a rotating shaft of the side wall of the frame 204, a locking piece 206 is connected with the end of the rotating shaft of the side wall of the frame 204 through threads, the locking piece 206 is positioned on the outer side of the end of the connecting rod 102, the side wall of the sleeve 103 is connected with a handle bolt 108 through threads, the side wall of the frame 204 is provided with a threaded hole structure matched with the end of the handle bolt 108, the side wall of the rear clamping piece 203 is spliced with a baffle 207, the baffle 207 is positioned on the outer side wall of the mesh 201, the side walls of the front clamping piece 202 and the rear clamping piece 203 are provided with matched stripe structures, and matched bolt holes are equally spaced, the front clamping piece 202 and the rear clamping piece 203 are provided with avoidance grooves matched with the mesh 201 in the middle, the protection assembly 200 consisting of the mesh 201, the front clamping piece 202, the rear clamping piece 203 and the frame 204 is used for protecting holes to be blasted and reducing blast shock waves and splashes, wherein the mesh 201 is generally made of thicker rubber sheets for shielding the blasted holes, the front clamping piece 202 and the rear clamping piece 203 are used for fixing the mesh 201 and keeping the position of the mesh 201 stable, the mesh 201 is placed in the front clamping piece 202 and the rear clamping piece 203 when in use, then the side walls of the front clamping piece 202 and the rear clamping piece 203 are fixed together through bolts, the frame 204 is connected with the front clamping piece 202 and the rear clamping piece 203 through springs 205, during blasting, the blast waves generated by blasting can preferentially impact on the mesh 201, partial forces are dispersed by the front clamping piece 202 and the rear clamping piece 203, and then the front clamping piece 202 and the rear clamping piece 203 are driven to rise, when rising, can pull spring 205 for spring 205 atress tensile produces deformation potential energy, back clamping piece 203 is pulled to the back, clamping piece 202 and back clamping piece 203 subassembly rise before the interference, and then reduce the impact force, and framework 204 also can block partial shock wave, when the strength of shock wave disappears completely, spring 205 can pull clamping piece 202 and back clamping piece 203 subassembly completely resumes the normal position, the convenience is used next time, install baffle 207 at back clamping piece 203 lateral wall, baffle 207 is used for increasing further protection to net piece 201, prevent the splash that the shock wave carried from flying out from net piece 201's gap, guarantee the safety of blasting, handle bolt 108 that increases at sleeve pipe 103 lateral wall, dock handle bolt 108 and framework 204 lateral wall, can fix sleeve pipe 103 subassembly at framework 204 lateral wall, conveniently protect the ground blasting hole, also can conveniently shift framework 204 subassembly, prevent that sleeve pipe 103 subassembly from becoming flexible, reduce the occupation space of protection network subassembly.

Referring to fig. 1-5, a handle 104 is screwed at the end of a sleeve 103, the handle 104 is sleeved on the outer side wall of a connecting rod 102, anti-slip lines are formed at the outer side of the handle 104 at equal intervals, a spring plate 105 is clamped in the handle 104, a positioning hole 106 is formed at the side wall of the connecting rod 102 at equal intervals, a bump structure matched with the positioning hole 106 is formed at the side wall of the spring plate 105, the bump of the side wall of the spring plate 105 is inserted in the middle of the positioning hole 106, a button 107 is clamped in the side wall of the handle 104, the inner side of the button 107 contacts with one side of the spring plate 105, a cavity structure corresponding to the button 107 is formed in the handle 104, the handle 104 with the spring plate 105 is mounted on the side wall of the sleeve 103, when the connecting rod 102 is mounted, the connecting rod 102 is inserted into the sleeve 103 through the handle 104, then adjust the position of connecting rod 102 for the bump of shell fragment 105 tip inserts connecting rod 102 lateral wall locating hole 106 in the middle, can block connecting rod 102 under the cooperation of sleeve pipe 103, maintain the stability of connecting rod 102 and sleeve pipe 103 combination length, conveniently support the protection network part, when needing the position of adjusting connecting rod 102, press button 107, button 107 tip can extrude shell fragment 105 for shell fragment 105 contracts to one side, the tip bump can be shifted out from the locating hole 106 centre, no longer block connecting rod 102, can adjust the position of connecting rod 102 this moment, adapt to different user demands, loosen button 107, the shell fragment 105 lateral wall loses external force, can resume original position by self elasticity, the joint is in locating hole 106 again, maintain the stability of connecting rod 102 position.

Specifically, the working principle of the blasting safety protection net is as follows: during use, the mesh 201 is placed on the front clamping piece 202 and the rear clamping piece 203, then the side walls of the front clamping piece 202 and the rear clamping piece 203 are fixed together through bolts, the frame 204 is connected with the front clamping piece 202 and the rear clamping piece 203 through the springs 205, when in blasting, shock waves generated by blasting can preferentially impact on the mesh 201, partial force is dispersed by the front clamping piece 202 and the rear clamping piece 203, then the front clamping piece 202 and the rear clamping piece 203 are driven to rise, the springs 205 can be pulled when rising, so that the springs 205 are stressed and stretched to generate deformation potential energy, the front clamping piece 202 and the rear clamping piece 203 are reversely pulled, the front clamping piece 202 and the rear clamping piece 203 are blocked, the impact force of the shock waves is further reduced, the springs 205 can pull the front clamping piece 202 and the rear clamping piece 203 to be completely restored to a normal position, the next time is convenient, when the connecting rod 102 is installed, the connecting rod 102 is inserted into the sleeve 103 through the handle 104, then the position of the connecting rod 105 is adjusted, the end salient point of the connecting rod 102 is inserted into the middle of the side wall positioning hole 106, the connecting rod 102 can be clamped under the cooperation of the sleeve 103, the connecting rod 103 is stressed and stretched to generate deformation potential energy, the connecting rod 102 is kept, the length of the connecting rod 102 is kept to be combined with the connecting rod 102, and the end part of the connecting rod is kept out of the connecting rod is kept from the sleeve 105, and the position of the connecting rod is kept to be pressed, the position of the connecting rod is stable, and the end part is kept down, and the position of the connecting rod is 107 is kept down, and the position of the connecting rod is kept to be pressed, and the position of the end part is 107 is kept stable, and the position of the end part is 107 is kept to be can and can be kept stable.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A blasting safety protection net is characterized by comprising

The supporting mechanism (100), the supporting mechanism (100) is composed of a plug rod (101), a connecting rod (102) and a sleeve (103), the connecting rod (102) is movably inserted into the sleeve (103), and the plug rod (101) is connected to the bottom of the sleeve (103) in a threaded manner;

the protection component (200), protection component (200) comprises net piece (201), preceding clamping piece (202), back clamping piece (203) and framework (204), net piece (201) are in through the thread tightening preceding clamping piece (202) with between back clamping piece (203), preceding clamping piece (202) with there is spring (205) in the middle of clamping piece (203) lateral wall through-hole behind through threaded connection, the spring (205) other end is in through bolted connection framework (204) inside wall, connecting rod (102) upper end suit is in the middle of framework (204) lateral wall pivot.

2. The blasting-safety protection net according to claim 1, wherein a locking member (206) is screwed to an end portion of a side wall shaft of the frame body (204), and the locking member (206) is located outside an end portion of the connecting rod (102).

3. The blasting safety protection net according to claim 1, wherein a handle (104) is connected to an end portion of the sleeve (103) in a threaded manner, the handle (104) is sleeved on the outer side wall of the connecting rod (102), and anti-slip lines are formed in the outer side of the handle (104) at equal intervals.

4. A blasting safety protection net according to claim 3, wherein, a spring plate (105) is clamped in the handle (104), positioning holes (106) are formed in the side wall of the connecting rod (102) at equal intervals, a bump structure matched with the positioning holes (106) is formed in the side wall of the spring plate (105), and bumps on the side wall of the spring plate (105) are inserted in the middle of the positioning holes (106).

5. The blasting safety protection net according to claim 4, wherein a button (107) is clamped on the side wall of the handle (104), the inner side of the button (107) is contacted with one side of the elastic sheet (105), and a cavity structure corresponding to the button (107) is formed in the handle (104).

6. A blasting safety protection net according to claim 1, wherein the side wall of the rear clamping piece (203) is inserted with a baffle plate (207), and the baffle plate (207) is located on the outer side wall of the net piece (201).

7. The blasting safety protection net according to claim 1, wherein the side wall of the sleeve (103) is connected with a handle bolt (108) through threads, and the side wall of the frame (204) is provided with a threaded hole structure matched with the end threads of the handle bolt (108).

8. The blasting safety protection net according to claim 1, wherein the side walls of the front clamping piece (202) and the rear clamping piece (203) are provided with matched stripe structures, matched bolt holes are formed at equal intervals, and avoidance grooves matched with the net piece (201) are formed in the middle of the front clamping piece (202) and the rear clamping piece (203).