CN216081190U

CN216081190U - Protection device for prevent blasting rubble from splashing

Info

Publication number: CN216081190U
Application number: CN202122287277.5U
Authority: CN
Inventors: 余锐; 王虎; 金二牛
Original assignee: Anhui Thunder Blasting Engineering Co ltd
Current assignee: Anhui Thunder Blasting Engineering Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-18
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a protection device for preventing blasting crushed stones from splashing, which relates to the technical field of blasting protection and is used for solving the problems that the existing device can not effectively protect tunnels with different sizes and neglects the protection of the bottom of the device; the utility model can be attached to tunnels with different sizes to the maximum extent, reduces gaps, prevents gravels from splashing to the outside through the gaps, improves the stability of the whole device, improves the earthquake resistance and reduces the possibility of inducing danger.

Description

Protection device for prevent blasting rubble from splashing

Technical Field

The utility model relates to the technical field of blasting protection, in particular to a protection device for preventing blasting broken stones from splashing.

Background

Blasting is a technology for achieving the expected purpose by utilizing the compression, loosening, damage, throwing and killing effects generated by the explosion of explosives in air, water, earth and stone media or objects, when explosive bags or explosive charges explode in the earth and stone media or structures, the earth and stone media or structures generate the phenomena of compression, deformation, damage, loosening and throwing, the blasting is mainly used for earth and stone engineering, the demolition of metal buildings and structures and the like, a large amount of broken stones are easy to generate in the blasting process, certain potential safety hazards are caused, and people usually use a device for preventing the broken stones for protection.

The protection of bottom often can be neglected to current rubble protector, leads to still having partial rubble to pass the bottom space, has the problem of injuring machine and constructor by a crashing object to and current device can not carry out effectual blasting protection to the tunnel of different sizes, leads to still having partial rubble to splash, leads to the protecting effect not good.

Therefore, the protection device for preventing the blasting crushed stones from splashing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the existing device can not effectively protect tunnels with different sizes and neglects the protection at the bottom of the device, so that broken stones still have the defects of probable splashing to damage machines and injure constructors.

The purpose of the utility model can be realized by the following technical scheme:

a protection device for preventing blasting broken stones from splashing comprises a fixing plate and idler wheels, wherein the idler wheels are mounted at four corners of the bottom of the fixing plate, a protection assembly is mounted at the top of the fixing plate and comprises a first protection plate, the bottom of the first protection plate is rotatably connected with the fixing plate, an electric push rod is mounted at the top of the fixing plate, a first support is detachably connected to one side of the first protection plate, and a telescopic end of the electric push rod is rotatably connected with the first support;

first mounting groove has been seted up in the outside of first guard plate, fixedly connected with second support in the first mounting groove, the second rotate bracket connection has the stock, the one end fixedly connected with second guard plate of second support is kept away from to the stock, the bottom of second guard plate is fixed with the spacing ring through spot welding, the spacing ring, and the spacing ring sets up for the symmetry.

Further, protective assembly still includes the third protection board, the third protection board rotates with first protection board to be connected, one side of third protection board is fixed with the third support through spot welding, the third support rotates and is connected with the head rod, the one end that the third support was kept away from to the head rod rotates and is connected with the second connecting rod.

Further, the middle part of first guard plate is fixed with the threaded rod through spot welding, the outside of threaded rod is equipped with first sleeve and second sleeve respectively, and second sleeve and threaded rod threaded connection, first sleeve and second sleeve rotate to be connected.

Furthermore, the outer side of the first sleeve is fixedly connected with fourth supports at equal intervals, and the fourth supports are rotatably connected with second connecting rods which are correspondingly arranged.

Furthermore, transverse plates are fixed on two sides of the fixing plate through spot welding, and slotted holes are formed in the outer sides of the transverse plates.

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

1. when the anti-splash screw is used, the threaded rod enables the third protection plate to be turned over through the mutual matching of the first sleeve and the second sleeve, the anti-splash screw can be attached to tunnels with different sizes to the maximum extent, gaps are reduced, broken stones are prevented from being splashed to the outside through gaps, and the possibility of inducing danger is reduced.

2. When the protective device is used, the first protective plate is rotatably connected with the second protective plate through the long rod, when the first protective plate rotates to a certain angle, the second protective plate freely falls under the action of gravity, the bottom of the protective device is protected, and the problem that the existing protective device easily overlooks the protection of the bottom, so that broken stones are likely to injure a machine or injure a person through a bottom gap is solved.

3. When the protective device is used, the limiting ring and the slotted hole are arranged, and the conical rod is embedded into the limiting ring and the slotted hole, so that the protective device is more stable when being subjected to blasting impact, and the protective device is prevented from being greatly shaken by broken stones and shock waves, and the protective effect is poor.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the area A of the present invention;

FIG. 4 is a schematic perspective view of a portion of the present invention;

fig. 5 is a top view of the present invention.

In the figure: 1. a fixing plate; 2. a roller; 3. a guard assembly; 301. a first guard plate; 302. an electric push rod; 303. a first bracket; 304. a first mounting groove; 305. a second bracket; 306. a long rod; 307. a second guard plate; 308. a limiting ring; 309. a third protection plate; 310. a third support; 311. a first connecting rod; 312. a second connecting rod; 4. a threaded rod; 401. a first sleeve; 402. a second sleeve; 403. a fourth bracket; 5. a transverse plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1, 2 and 5, when the present invention is used, the device is moved to a position suitable for blasting through the roller 2, the electric push rod 302 installed on the top of the fixed plate 1 is opened, the electric push rod 302 pushes the first protection plate 301 to rotate, the electric push rod 302 is connected with the first protection plate 301 through the first support 303, so that the first protection plate 301 rotates to a certain angle, the second support 305 pushes the second protection plate 307 connected with the long rod 306 to be separated from the first installation groove 304 until the second protection plate contacts with the ground, thereby solving the problem that the existing protection device is easy to neglect protection of the bottom, preventing broken stones from damaging the machine through a gap at the bottom of the device and splashing outside, so that the protection effect is not good, and further fixing the limit ring 308 connected with the second protection plate 307 and a slotted hole formed on the outer side of the transverse plate 5 with the ground through a tapered rod, such as a wooden pile or a metal product, so that the protection capability of the present invention against blasting is further improved, the stability of the device is improved, and the device can bear the impact caused by blasting to the maximum extent.

By arranging the second protection plate 307, the limiting ring 308 and the transverse plate 5, the utility model can protect the neglected bottom of the traditional protection device, increase the protection range and ensure that the whole structure of the utility model has more stable protection.

Example two:

as shown in fig. 1-4, the second sleeve 402 that the threaded rod 4 outside cover was established rotates, the second sleeve 402 drives first sleeve 401 and removes towards the direction of keeping away from first guard plate 301, the second connecting rod 312 that the fourth support 403 is connected is passed through in the pulling of first sleeve 401, and then the first connecting rod 311 of pulling and second connecting rod 312 connection, the third guard plate 309 that the third support 310 is passed through in the pulling of first connecting rod 311 is rotated in the first guard plate 301 outside, until the laminating of third guard plate 309 and tunnel, the stall second sleeve 402, make the protection component 3 of this device can furthest laminate the tunnel, carry out effectual protection, avoid the rubble to splash and damage the machine and injure constructor by a crashing object and injure the tunnel, carry out effectual protection, avoid the rubble to splash and damage the machine and injure constructor

With the first embodiment, the first protection plate 301, the second protection plate 307 and the third protection plate 309 can be effectively protected against tunnels with different sizes by arranging the protection assembly 3, the overall protection effect of the utility model is integrally improved by the tapered rod, and the impact caused by blasting is reduced to the maximum extent.

The working principle of the utility model is as follows:

when the device is used, the device is moved to a position which is a proper distance for blasting, the electric push rod 302 is opened, the electric push rod 302 pushes the first protection plate 301 to rotate, the first protection plate 301 rotates to a certain angle, the second support 305 pushes the second protection plate 307 to be separated from the first installation groove 304 until the second protection plate is contacted with the ground, the problem that the existing protection device easily ignores the protection of the bottom is solved, broken stones are prevented from damaging machines through a gap at the bottom of the device and flying out of the outside to cause poor protection effect is solved, the second protection plate 307 is further fixed with the ground through a conical rod such as a wood pile or a metal product, the second sleeve 402 sleeved on the outer side of the threaded rod 4 is rotated, the second sleeve 402 drives the first sleeve 401 to move towards the direction far away from the first protection plate 301, the first sleeve 401 pulls the second connecting rod 312 to further pull the first connecting rod 311 connected with the second connecting rod 312, first connecting rod 311 pulling third protection board 309 rotates in first protection board 301 outside, and until third protection board 309 and tunnel laminating, the stall second sleeve 402 makes this device can protect to unidimensional tunnel, makes the protective effect of this device further promote, avoids the rubble to splash and damages the machine and injures constructor by a crashing object, and reuse toper pole passes the slotted hole that the diaphragm 5 outside was seted up, carries out further firm with the device.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The protection device for preventing blasting macadam from splashing comprises a fixing plate (1) and idler wheels (2), wherein the idler wheels (2) are installed at four corners of the bottom of the fixing plate (1), and is characterized in that a protection assembly (3) is installed at the top of the fixing plate (1), the protection assembly (3) comprises a first protection plate (301), the bottom of the first protection plate (301) is rotatably connected with the fixing plate (1), an electric push rod (302) is installed at the top of the fixing plate (1), a first support (303) is detachably connected to one side of the first protection plate (301), and a telescopic end of the electric push rod (302) is rotatably connected with the first support (303);

first mounting groove (304) have been seted up in the outside of first protection plate (301), fixedly connected with second support (305) in first mounting groove (304), second support (305) rotate and are connected with stock (306), one end fixedly connected with second protection plate (307) of second support (305) are kept away from in stock (306), the bottom of second protection plate (307) is fixed with spacing ring (308) through spot welding, spacing ring (308), and spacing ring (308) set up for the symmetry.

2. A protection device for preventing blasting crushed stone from splashing according to claim 1, wherein the protection component (3) further comprises a third protection plate (309), one side of the third protection plate (309) is rotatably connected with the first protection plate (301) through a third bracket (310), the third protection plate (309) is rotatably connected with a third connecting rod (311), and one end of the third connecting rod (311) far away from the third protection plate (309) is rotatably connected with a second connecting rod (312).

3. A protection device for preventing blasting crushed stone from splashing according to claim 1, wherein a threaded rod (4) is fixed to the middle of the first protection plate (301) through spot welding, a first sleeve (401) and a second sleeve (402) are respectively sleeved on the outer side of the threaded rod (4), the second sleeve (402) is in threaded connection with the threaded rod (4), and the first sleeve (401) and the second sleeve (402) are in rotational connection.

4. A protection device against splattering of blasting crushed stone according to claim 3, characterized in that a fourth bracket (403) is fixedly connected to the outer side of the first sleeve (401) at equal intervals, and the fourth bracket (403) is rotatably connected with a second connecting rod (312).

5. The protection device for preventing blasting crushed stone from splashing according to claim 1, wherein a transverse plate (5) is fixed on two sides of the fixing plate (1) through spot welding, and a slotted hole is formed in the outer side of the transverse plate (5).