CN220288439U

CN220288439U - Gas spacer for deep hole blasting

Info

Publication number: CN220288439U
Application number: CN202321803381.8U
Authority: CN
Inventors: 戴霖; 黄志勇; 戴嘉辉
Original assignee: Huizhou Zhongte Blasting Project Co ltd
Current assignee: Huizhou Zhongte Blasting Project Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-02
Anticipated expiration: 2033-07-10

Abstract

The utility model aims to provide a gas spacer for deep hole blasting, which comprises an air bag and an air inflation module, wherein a lifting rope is arranged on the outer side wall of the air bag, a cavity is formed in the air bag, an interlayer is arranged on the inner side wall of the cavity and is used for dividing the cavity into an expansion cavity and an air inlet cavity, a soft bag is arranged on the interlayer, the soft bag extends from the air inlet cavity to the direction of the expansion cavity, the air inflation module comprises a fixed block, an air tank, an air valve and an air inflation pipe, the fixed block is arranged on the air tank which is close to the expansion cavity and is arranged on the fixed block, the air valve is arranged on the air tank, the air valve is arranged opposite to the soft bag, the air inflation pipe is arranged on the air bag so as to enable the air inflation pipe to be communicated with the air inlet cavity, and the air inflation pipe is used for pushing the air valve when the air inlet cavity is inflated. Thus, the gas spacer for deep hole blasting of the application is opened by utilizing soft bag ejection, and can effectively avoid false opening so as to improve the use safety.

Description

Gas spacer for deep hole blasting

Technical Field

The utility model relates to the field of blasting equipment, in particular to a gas spacer for deep hole blasting.

Background

The gas spacer is an auxiliary blasting device applied to the blasting field. In the surface blasting, reasonable specific explosive consumption can reduce the use cost of the explosive, improve the blasting efficiency and finally improve the blasting quality.

Based on the above considerations, a blasting mode of layering interval loading explosive appears, and the theoretical basis is as follows: when in blasting, the lower part of the blast hole is subjected to large resistance, the upper part is close to the open air surface, the resistance is relatively small, and after the lower part is blasted, the upper part can obtain good blasting effect by using a small amount of explosive. The aim of layering interval loading of explosive is to change the loading structure, so that the explosive is uniformly distributed in the blast hole, the energy utilization rate of the explosive is improved, and the same amount of explosive plays a larger role.

The existing gas spacer mainly has two deflation modes: firstly, a blast hole external opening mode is adopted, a gas release valve is opened before the gas spacer is put into the blast hole, when the spacer is put into a specified position, gas in a gas tank is filled in the spacer, and finally the gas is expanded and fixed at the specified position of the blast hole, but the mode has low gas release efficiency, and a clamping hole is easy to occur in the putting process; secondly, the gas spacer is put into the blast hole in an opening mode, then the gas spacer is pulled by the lifting wire, the gas tank is opened by utilizing the gravity of the gas spacer, although the gas discharging efficiency can be improved by adopting the mode of discharging gas in the hole, the phenomenon of blocking holes is avoided, but the structure of pulling by the lifting wire is sensitive to force, when violent vibration occurs in the transportation process and the like, the gas tank is easily opened by mistake, the waste is caused, and certain potential safety hazards exist. Therefore, in order to solve this technical problem, a gas spacer for deep hole blasting, which is opened in the hole of the present application, is proposed.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a gas spacer for deep hole blasting, which is used for avoiding false opening and improving the use safety.

The aim of the utility model is realized by the following technical scheme:

a gas spacer for deep hole blasting, comprising:

the inflatable bag is characterized in that a lifting rope is arranged on the outer side wall of the inflatable bag, a cavity is formed in the inflatable bag, an interlayer is arranged on the inner side wall of the cavity and used for dividing the cavity into an expansion cavity and an air inlet cavity, a soft bag is arranged on the interlayer, and the soft bag extends from the air inlet cavity to the expansion cavity; a kind of electronic device with high-pressure air-conditioning system

The inflatable module comprises a fixed block, an air tank, an air valve and an inflation tube, wherein the fixed block is arranged on the side wall of the interlayer, which is close to the inflation cavity, the air tank is arranged on the fixed block, the air valve is arranged on the air tank, the air valve is arranged opposite to the soft bag, the inflation tube is arranged on the inflation bag, so that the inflation tube is communicated with the air inlet cavity, and the inflation tube is used for pushing the soft bag to push the air valve when the air inlet cavity is inflated.

Optionally, the gas pitcher includes cover and jar body, cover detachably set up in on the fixed block, jar body set up in on the cover, set up on the cover with the exhaust hole that the jar is linked together, the pneumatic valve set up in on the cover, the pneumatic valve is used for shutoff the exhaust hole.

Optionally, the pneumatic valve includes valve rod, elastic component and round pin axle, the round pin axle wears to locate in proper order the valve rod with the cover, so that the valve rod for the round pin axle rotates, the elastic component respectively with the cover with the valve rod is connected, the elastic component is used for driving the one end shutoff of valve rod the exhaust hole, the other end of valve rod with the soft bag sets up relatively.

Optionally, the can cover comprises a cover body and a support, the support is detachably arranged on the fixed block, the cover body is arranged on the support, the can body is arranged on the cover body, and the valve rod is rotatably arranged on the support.

Optionally, the soft bag is of a silica gel structure.

Optionally, the outer side wall of the inflatable bag is coated with fiber cloth.

Optionally, the fiber cloth is glued to the inflatable bag.

Optionally, the side wall of the air bag located in the air inlet cavity is of a wavy structure.

Optionally, a connector is arranged on the outer side wall of the inflatable bag, which is close to the air inlet cavity, and the inflatable tube is connected with the connector.

Optionally, an annular V-groove is formed in the outer side wall of the joint.

Compared with the prior art, the utility model has at least the following advantages:

the utility model relates to a gas spacer for deep hole blasting, which comprises an air bag and an air inflation module, wherein a lifting rope is arranged on the outer side wall of the air bag, a cavity is formed in the air bag, an interlayer is arranged on the inner side wall of the cavity and used for separating the cavity into an expansion cavity and an air inlet cavity, a soft bag is arranged on the interlayer, the soft bag extends from the air inlet cavity to the direction of the expansion cavity, the air inflation module comprises a fixed block, an air tank, an air valve and an air inflation pipe, the fixed block is arranged on the side wall, close to the expansion cavity, of the interlayer, the air tank is arranged on the fixed block, the air valve is arranged on the air tank, the air valve is arranged opposite to the soft bag, and the air inflation pipe is arranged on the air bag so as to enable the air inflation pipe to be communicated with the air inlet cavity, and when the air inflation pipe is used for inflating towards the air inlet cavity, the soft bag pushes the air valve. So, set up mutually independent inflation cavity and air inlet cavity in the air bag, the gas pitcher is installed in inflation cavity, with air inlet cavity and gas tube intercommunication, when the gas tube was inflated to the air inlet cavity, make soft bag inflation, thereby push up the pneumatic valve, make the gas in the pneumatic valve release gas pitcher with expanding the cavity and prop up, thereby fix the assigned position department at the big gun hole, the gas spacer for deep hole blasting of this application utilizes soft bag push to realize opening, can effectively avoid appearing opening by mistake, in order to improve the safety in utilization.

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 embodiments 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 structural view of a gas spacer for deep hole blasting according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial structure of the gas spacer for deep hole blasting shown in FIG. 1;

FIG. 3 is a schematic diagram of a gas valve according to an embodiment of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure of fig. 2.

Reference numerals illustrate:

10. a gas spacer for deep hole blasting; 100. an inflatable bag; 200. an inflation assembly; 300. lifting a rope; 110. a cavity; 400. an interlayer; 111. an expansion chamber; 112. an air inlet cavity; 500. a soft bag; 210. a fixed block; 220. a gas tank; 230. an air valve; 240. an inflation tube; 221. a can lid; 222. a tank body; 2211. an exhaust hole; 231. a valve stem; 232. an elastic member; 233. a pin shaft; 2212. a cover body; 2213. a bracket; 2214. a soft mouth; 223. a self-closing plug; 2231. a push rod; 2232. a holding spring; 2233. a sealing sheet; 2221. a baffle; 600. a joint; 610. an annular V-groove.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model.

As shown in fig. 1, an air spacer 10 for deep hole blasting comprises an air bag 100 and an air charging assembly 200, wherein a lifting rope 300 is arranged on the outer side wall of the air bag 100, a cavity 110 is arranged in the air bag 100, an interlayer 400 is arranged on the inner side wall of the cavity 110, the interlayer 400 is used for separating the cavity 110 into an expansion cavity 111 and an air inlet cavity 112, a soft bag 500 is arranged on the interlayer 400, the soft bag 500 extends from the air inlet cavity 112 to the direction of the expansion cavity 111, the air charging assembly 200 comprises a fixed block 210, an air tank 220, an air valve 230 and an air charging pipe 240, the fixed block 210 is arranged on the side wall of the interlayer 400 close to the expansion cavity 111, the air tank 220 is arranged on the fixed block 210, the air valve 230 is arranged on the air tank 220, the air valve 230 is arranged opposite to the soft bag 500, the air charging pipe 240 is arranged on the air bag 100, so that the air charging pipe 240 is communicated with the air inlet cavity 112, and the air charging pipe 240 is used for pushing the air valve 230 when the air charging pipe 240 is used for charging the air inlet cavity 112.

It should be noted that the inflation assembly 200 is used to inflate the airbag 100. Specifically, the inflatable bag 100 includes a cavity 110, and the barrier 400 is disposed on an inner sidewall of the cavity 110, so that the barrier 400 separates the cavity 110 into an inflation cavity 111 and an air intake cavity 112 that are independent of each other. In one embodiment, the barrier 400 is integrally formed with the airbag 100. The flexible bag 500 is mounted to the barrier 400 such that the flexible bag 500 extends from the inlet chamber 112 in the direction of the inflation chamber 111. Further, the fixing blocks 210 are mounted on the barrier 400, and the fixing blocks 210 serve to reinforce the structural strength of the barrier 400, for example, the fixing blocks 210 have an area smaller than that of the barrier 400, so that the fixing blocks 210 cover only a portion of the structure of the barrier 400, wherein the soft bag 500 passes through the fixing blocks 210 to be located in the expansion chamber 111. The gas cylinder 220 is detachably mounted on the fixed block 210, and the gas valve 230 is mounted on the gas cylinder 220 such that the gas valve 230 seals off the gas hole of the gas cylinder 220 and the gas valve 230 is also aligned with the flexible bag 500. An inflation tube 240 is mounted to the exterior sidewall of airbag 100, and inflation tube 240 communicates with air intake cavity 112.

The principle of use of the gas spacer 10 for deep hole blasting of the present application will be described below. Under default condition, the gas spacer 10 for deep hole blasting is in a collapsed state, the gas bag 100 is placed into the blast hole of the rock body through the lifting rope 300 and the gas tube 240, and the gas spacer 10 for deep hole blasting is in a collapsed state, so that the gas spacer 10 for deep hole blasting can be rapidly and stably placed at a specified position in the blast hole. Then, one end of the air charging tube 240 exposed on the ground is connected to an air compressor, the air charging tube 240 is inflated through the air compressor, so that under the action of air pressure, the soft bag 500 is in a straight state, one end of the soft bag 500 positioned in the expansion cavity 111 pushes the air valve 230, the air in the air tank 220 is released, and the air in the air tank 220 is filled in the expansion cavity 111, so that the air charging bag 100 is expanded to be fixed on the inner side wall of the blast hole. In this way, since the air valve 230 of the air tank 220 is opened by pushing the soft bag 500, the soft bag 500 is inflated by the inflation tube 240, and the inflation tube 240 is supplied with air by the air compressor connected to the outside, the use safety of the air spacer 10 for deep hole blasting can be effectively improved, and the air valve 230 is prevented from being opened by mistake to the air tank 220 due to the action of external force such as jolt in the process of transportation and the like.

As shown in fig. 1 and 2, in one embodiment, the gas tank 220 includes a tank cover 221 and a tank body 222, the tank cover 221 is detachably disposed on the fixed block 210, the tank body 222 is disposed on the tank cover 221, the tank cover 221 is provided with a gas exhaust hole 2211 communicated with the tank body 222, the gas valve 230 is disposed on the tank cover 221, and the gas valve 230 is used for sealing the gas exhaust hole 2211.

The can cover 221 is detachably mounted on the fixing block 210, and the can body 222 is mounted on a side of the can cover 221 away from the fixing block 210, for example, the can body 222 and the can cover 221 may be screwed or clamped. The tank 222 has a hollow structure, and the cover 221 is provided with an exhaust hole 2211 communicated with the hollow structure of the tank 222. A gas valve 230 is installed on the can lid 221, and the gas valve 230 is used to block the exhaust hole 2211.

As shown in fig. 2 and 3, in one embodiment, the air valve 230 includes a valve rod 231, an elastic member 232 and a pin shaft 233, the pin shaft 233 sequentially penetrates through the valve rod 231 and the can cover 221, so that the valve rod 231 rotates relative to the pin shaft 233, the elastic member 232 is connected with the can cover 221 and the valve rod 231, the elastic member 232 is used for driving one end of the valve rod 231 to block the air vent 2211, and the other end of the valve rod 231 is opposite to the soft bag 500.

It should be noted that the gas valve 230 is used to seal the can 222. Specifically, the valve rod 231 is rotatably mounted on the can cover 221 through the pin shaft 233, the elastic member 232 is respectively connected with the valve rod 231 and the can cover 221, and the elastic force of the elastic member 232 drives the valve rod 231 to block the exhaust hole 2211, so that the gas in the can body 222 is maintained. In one embodiment, the elastic member 232 is a spring.

As shown in fig. 2 and 3, in one embodiment, the can lid 221 includes a lid 2212 and a support 2213, the support 2213 is detachably disposed on the fixed block 210, the lid 2212 is disposed on the support 2213, the can 222 is disposed on the lid 2212, and the valve stem 231 is rotatably disposed on the support 2213.

It should be noted that, the support 2213 is detachably mounted on the fixed block 210, for example, a clamping groove is provided on the fixed block 210, and a clamping block is provided on the support 2213, so that the clamping block is adaptively clamped in the clamping groove, and a detachable mounting structure is provided between the support 2213 and the fixed block 210 of Shu Die. The cover 2212 is disposed on the support 2213, and in one embodiment, the cover 2212 and the support 2213 are integrally formed. Further, the can lid 221 and the fixing block 210 are both plastic structures. The can 222 is mounted on the cap 2212, for example, an external thread is provided on a bottle opening of the can 222, and a screw hole with an internal thread is provided on the cap 2212, so that the bottle opening of the can 222 is screwed with the screw hole, and the can 222 is detachably mounted on the cap 2212. Further, the exhaust hole 2211 is positioned on the cover 2212. The valve stem 231 is rotatably mounted to the bracket 2213 by a pin 233 such that the valve stem 231 blocks the exhaust hole 2211.

As shown in fig. 2, in one embodiment, the vent hole 2211 is provided with a soft mouth 2214, and the valve rod 231 is used to bend the soft mouth 2214 when the valve rod 231 is rotated to be close to the vent hole 2211. Thus, the valve rod 231 bends the soft nozzle 2214, and the air tightness of the can 222 can be effectively ensured.

As shown in fig. 1, 2 and 4, in an embodiment, a self-closing plug 223 is disposed in a can 222, the self-closing plug 223 includes a push rod 2231, a supporting spring 2232 and a sealing piece 2233, a baffle 2221 is disposed on an inner side wall of the can 222, a via hole is formed on the baffle 2221, the push rod 2231 is disposed through the via hole, the sealing piece 2233 is disposed at one end of the push rod 2231 located on the inner side wall of the can 222, the supporting spring 2232 is respectively abutted with the push rod 2231 and the baffle 2221, and the supporting spring 2232 is used for driving the sealing piece 2233 to be abutted on one side surface of the baffle 2221 close to the inner side wall of the can 222.

In order to improve the sealing property of the can 222 and avoid the problem of air leakage of the can 222, a self-closing plug 223 is mounted on the inner side wall of the opening of the can 222. Specifically, a blocking piece 2221 is disposed at a position of the inner sidewall of the can 222 near the opening, a via hole is formed on the blocking piece 2221, the top rod 2231 passes through the via hole, a sealing piece 2233 is mounted at the end of the top rod 2231 located in the can 222, and a supporting spring 2232 is respectively abutted against the top rod 2231 and the blocking piece 2221, so that the supporting spring 2232 drives the top rod 2231 to have a tendency of extending out of the can 222, and the sealing piece 2233 seals the via hole. When the air pressure in the can 222 is greater, the sealing sheet 2233 is pushed more firmly by the air pressure, so that the air tightness of the can 222 can be effectively improved.

In one embodiment, the soft bag 500 and the interlayer 400 are integrally formed, and further, the soft bag 500 and the interlayer 400 are both made of silica gel. In this way, when the air intake cavity 112 is filled with air, the soft bag 500 can be extended toward the expansion cavity 111, so that the valve stem 231 can be pushed.

Further, in one embodiment, the outer sidewall of the airbag 100 is coated with a fabric. For example, a fabric is glued to the airbag 100. In this way, since the broken stone is large in the blasting environment, the outer side wall of the airbag 100 is adhered with the fiber cloth in order to improve the structural strength of the airbag 100 and avoid the breakage.

In one embodiment, the sidewall of the airbag 100 in the intake cavity 112 is configured in a wavy configuration. In this way, the side wall of the air bag 100 located in the air inlet cavity 112 is folded before use, so that the occupied volume of the air bag 100 can be reduced, and the storage is more convenient.

In one embodiment, as shown in fig. 1, a connector 600 is disposed on an outer sidewall of the airbag 100 adjacent to the air intake cavity 112, and the inflation tube 240 is connected to the connector 600.

In order to make the inflation tube 240 and the airbag 100 in a detachable structure, a connector 600 is provided on the airbag 100 so that the inflation tube 240 is connected to the connector 600. In one embodiment, a plug structure is provided between the inflation tube 240 and the connector 600. For example, the inflation tube 240 and the connector 600 are all of plastic construction.

Further, as shown in fig. 1, in one embodiment, an annular V-groove 610 is formed on the outer sidewall of the joint 600.

It should be noted that, in order to ensure sufficient stability between the gas tube 240 and the connector 600, the gas tube 240 is convenient to be separated from the connector 600, so as to recycle the gas tube 240, the connector 600 is provided with an annular V-groove 610, and after the gas in the tank 222 is filled in the expansion cavity 111, a certain tensile force is applied to the gas tube 240, so that the connector 600 is directly broken at the position of the annular V-groove 610, and the gas tube 240 can be taken out from the blast hole.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A gas spacer for deep hole blasting, comprising:

2. The gas spacer for deep hole blasting according to claim 1, wherein the gas tank comprises a tank cover and a tank body, the tank cover is detachably arranged on the fixed block, the tank body is arranged on the tank cover, a vent hole communicated with the tank body is formed in the tank cover, and the gas valve is arranged on the tank cover and is used for sealing the vent hole.

3. The gas spacer for deep hole blasting according to claim 2, wherein the gas valve comprises a valve rod, an elastic member and a pin shaft, the pin shaft is sequentially arranged on the valve rod and the can cover in a penetrating manner, so that the valve rod rotates relative to the pin shaft, the elastic member is respectively connected with the can cover and the valve rod, the elastic member is used for driving one end of the valve rod to seal the gas vent hole, and the other end of the valve rod is arranged opposite to the soft bag.

4. A gas spacer for deep hole blasting according to claim 3, wherein the can lid comprises a lid body and a bracket detachably provided on the fixed block, the lid body is provided on the bracket, the can body is provided on the lid body, and the valve stem is rotatably provided on the bracket.

5. The gas spacer for deep hole blasting according to claim 1, wherein the soft bag is of a silica gel structure.

6. The gas spacer for deep hole blasting according to claim 1, wherein the outer sidewall of the airbag is coated with a fiber cloth.

7. The gas spacer for deep hole blasting according to claim 6, wherein the fiber cloth is glued to the gas bag.

8. The gas spacer for deep hole blasting according to claim 1, wherein the side wall of the gas-filled bag in the gas inlet chamber is provided in a wave-like structure.

9. The gas spacer for deep hole blasting according to claim 1, wherein a joint is provided on an outer side wall of the gas bag adjacent to the gas inlet cavity, and the gas tube is connected to the joint.

10. The gas spacer for deep hole blasting according to claim 9, wherein the outer sidewall of the connector is provided with an annular V-groove.