CN216116217U

CN216116217U - Explosion cavity volume rapid measuring device

Info

Publication number: CN216116217U
Application number: CN202122146262.7U
Authority: CN
Inventors: 杨帆; 王峰; 马国强; 郭大胜; 高朋飞; 陈建安
Original assignee: Anhui Jiangnan Blasting Engineering Co ltd
Current assignee: Anhui Jiangnan Blasting Engineering Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-03-22
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a rapid measuring device for the volume of a blasting cavity, which comprises a sealing cover for sealing a blasting opening, wherein a fixing pipe fixedly connected with the sealing cover is inserted in the middle of the sealing cover, the lower end of the fixing pipe is detachably connected with a plurality of extension pipes, the inner cavities of the fixing pipe and the extension pipes are communicated, the side walls of the extension pipes are provided with a plurality of vent holes communicated with the inner cavities of the extension pipes, one ends of the fixing pipes, far away from the extension pipes, are connected with an air pump for inflating the inner cavities of the fixing pipes, the rapid measuring device also comprises a quantitative air extraction component communicated with the fixing pipes and used for extracting gas in the blasting cavity, and the outer sides of the extension pipes are also fixedly provided with a plurality of pressure sensors for measuring the pressure in the blasting cavity. The utility model has the advantages of simple operation, high measurement precision and the like.

Description

Explosion cavity volume rapid measuring device

Technical Field

The utility model relates to the technical field of blasting, in particular to a device for quickly measuring the volume of a blasting cavity.

Background

For some construction sites, the volume of a cavity formed after blasting needs to be measured frequently, but for the existing volume measuring device, the problems of poor measuring accuracy, complex operation and the like exist.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the utility model aims to provide a device for quickly measuring the volume of the explosion chamber, which has the advantages of simplicity in operation, high measurement precision and the like.

The quick measuring device for the volume of the explosion cavity comprises a sealing cover used for sealing the explosion opening, a fixing pipe fixedly connected with the sealing cover is inserted in the middle of the sealing cover, the lower end of the fixing pipe is detachably connected with a plurality of extension pipes, the inner cavities of the fixing pipe and the extension pipes are communicated, a plurality of vent holes communicated with the inner cavities of the extension pipes are formed in the side walls of the extension pipes, one end, far away from the extension pipes, of the fixing pipe is connected with an air pump used for inflating the inner cavities of the fixing pipe, the quick measuring device further comprises a quantitative air extraction assembly communicated with the fixing pipe and used for extracting air in the explosion cavity, and a plurality of pressure sensors are fixedly arranged on the outer side of each extension pipe and used for measuring pressure in the explosion cavity.

Preferably, the quantitative air extraction assembly comprises an air extraction pipe, one end of the air extraction pipe is provided with a first connecting pipe and a second connecting pipe which are communicated with an inner cavity of the air extraction pipe, the first connecting pipe is fixedly provided with a first one-way valve, the second connecting pipe is fixedly provided with a second one-way valve, the second connecting pipe is communicated with the inner cavity of the fixed pipe, the inner cavity of the air extraction pipe is further connected with a piston in a sliding manner, the piston is fixedly provided with a pull rod which is axially distributed along the air extraction pipe, and one end, far away from the piston, of the pull rod is fixedly provided with a driving assembly which is used for driving the piston to reciprocate.

Preferably, the driving assembly comprises a driving block fixedly connected with the pull rod, racks distributed along the displacement direction of the piston are fixedly arranged on two sides of an inner cavity of the driving block, an incomplete gear is meshed between the two racks, and the incomplete gear is fixedly connected with an output shaft of the driving motor.

Preferably, the side edge of the sealing cover is also provided with an annular sealing cavity, and the upper end of the sealing cavity is communicated with a feeding pipe.

The beneficial effects of the utility model are as follows:

the method comprises the steps of introducing certain air into the explosion cavity through the air pump, then quantitatively extracting the air in the explosion cavity for multiple times through the quantitative air extracting assembly, and then calculating the volume of the explosion cavity through the pressure change detected by the pressure sensor, wherein the error between the result detected by the method and the actual volume of the explosion cavity is small, and the method is simple and easy to operate; the side edge of the sealing cover is provided with the annular sealing cavity, and when the sealing of the blasting hole is carried out, liquid components such as slurry and the like are injected into the sealing cavity through the feeding pipe, so that the sealing of the blasting hole is realized; the quantitative extraction that the quantitative subassembly of bleeding that this application set up can realize gas in the blasting cavity to guarantee the accuracy that detects, and this quantitative subassembly of bleeding is higher with current flow control subassembly degree of accuracy, and the accuracy is not influenced basically after long-time the use.

Drawings

FIG. 1 is a schematic structural diagram of a burst chamber volume rapid measurement device according to the present invention;

FIG. 2 is a schematic view of the structure of the extension pipe connection according to the present invention;

FIG. 3 is a schematic structural diagram of a pumping driving assembly according to the present invention.

In the figure: 1-sealing cover, 2-feeding pipe, 3-sealing cavity, 4-fixing pipe, 5-extending pipe, 6-vent hole, 7-air pumping pipe, 8-pull rod, 9-piston, 10-first connecting pipe, 11-second one-way valve, 12-second one-way valve, 13-second connecting pipe, 14-incomplete gear, 15-driving block and 16-rack.

Detailed Description

Referring to fig. 1-2, quick measuring device of explosion chamber volume, including the sealed lid 1 that is used for sealing the explosion opening, sealed lid 1 middle part is pegged graft and is had rather than fixed pipe 4 of fixed connection, fixed pipe 4 lower extreme can be dismantled and be connected with a plurality of extension pipes 5, the inner chamber of fixed pipe 4 with the inner chamber intercommunication of

extension pipe

5, 5 lateral walls of extension pipe are opened has a plurality of air vents 6 rather than the inner chamber intercommunication, fixed pipe 4 is kept away from the one end of extension pipe 5 is connected with and is used for the gas pump of 4 inner chambers of fixed pipe, still includes the ration subassembly of bleeding with fixed pipe 4 intercommunication for extract the gas in the explosion cavity, the extension pipe 5 outside still fixedly is provided with a plurality of pressure sensor for the pressure in the survey explosion cavity.

Certain air is introduced into the explosion cavity through the air pump, then the gas in the explosion cavity is quantitatively extracted for many times through the quantitative air extracting assembly, then the volume of the explosion cavity is calculated through the pressure change detected by the pressure sensor, the error between the measured result and the actual volume of the explosion cavity is small, and the method is simple and easy to operate.

Specifically, the quantitative air extraction assembly comprises an air extraction pipe 7, one end of the air extraction pipe 7 is provided with a first connecting pipe 10 and a second connecting pipe 13 which are communicated with an inner cavity of the air extraction pipe 7, the first connecting pipe 10 is fixedly provided with a first one-way valve, the second connecting pipe 13 is fixedly provided with a second one-way valve 1211, the second connecting pipe 13 is communicated with the inner cavity of the fixed pipe 4, the inner cavity of the air extraction pipe 7 is further connected with a piston 9 in a sliding mode, the piston 9 is fixedly provided with a pull rod 8 which is axially distributed along the air extraction pipe 7, and one end of the pull rod 8, which is far away from the piston 9, is fixedly provided with a driving assembly for driving the piston 9 to reciprocate.

The quantitative extraction that the quantitative subassembly of bleeding that this application set up can realize gas in the blasting cavity to guarantee the accuracy that detects, and this quantitative subassembly of bleeding is higher with current flow control subassembly degree of accuracy, and the accuracy is not influenced basically after long-time the use.

Regarding the movement mode of the quantitative air extraction assembly, taking fig. 1 as an example, when the piston 9 moves rightwards under the driving of the pull rod 8, the second one-way valve 1211 is opened, the air in the blasting cavity sequentially enters the air extraction pipe 7 through the extension pipe 5, the fixed pipe 4 and the second connecting pipe 13, when the piston 9 moves to a predetermined position, the piston starts to move leftwards, at this time, the first one-way valve is opened, and the air in the air extraction pipe 7 is exhausted through the first connecting pipe 10, thereby realizing the quantitative extraction of the air.

Referring to fig. 3, specifically, the driving assembly includes a driving block 15 fixedly connected to the pull rod 8, racks 16 distributed along the displacement direction of the piston 9 are fixedly disposed on two sides of an inner cavity of the driving block 15, an incomplete gear 14 is engaged between the two racks 16, and the incomplete gear 14 is fixedly connected to an output shaft of the driving motor. In addition, the motion mode of the driving pull rod 8 can be controlled manually or controlled by a motor capable of rotating forwards and backwards to control the reciprocating displacement of the driving pull rod.

Referring to fig. 1, in order to facilitate sealing of the blast opening, an annular sealing cavity 3 is further formed in the side edge of a sealing cover 1, and a feeding pipe 2 is communicated with the upper end of the sealing cavity 3; when the sealing of the blast hole is carried out, liquid components such as slurry and the like are injected into the sealing cavity 3 through the feeding pipe 2, so that the sealing of the blast hole is realized.

To the pressure sensor of this application, adopt current structure can, only need can with its pressure data feedback that detects come out can, if can be connected with total control panel through solitary display panel or with it, in order to further improve the result that detects, the pressure in the blasting cavity can be the result that a plurality of pressure sensor detected.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Explode quick measuring device of chamber volume, its characterized in that: including the sealed lid that is arranged in sealing the blast hole, sealed lid middle part is pegged graft and is had rather than the fixed pipe of fixed connection, fixed pipe lower extreme can be dismantled and is connected with a plurality of extension pipes, the inner chamber of fixed pipe with the inner chamber intercommunication of extension pipe, the extension pipe lateral wall is opened has a plurality of air vents rather than the inner chamber intercommunication, fixed pipe is kept away from the one end of extension pipe is connected with and is used for aerifing the air pump to fixed intraductal chamber, still includes the ration subassembly of bleeding with fixed pipe intercommunication for extract the gas in the explosion cavity, the extension outside is still fixed and is provided with a plurality of pressure sensor for the pressure in the survey explosion cavity.

2. The burst chamber volume rapid measuring device according to claim 1, characterized in that: the quantitative air extraction assembly comprises an air extraction pipe, one end of the air extraction pipe is provided with a first connecting pipe and a second connecting pipe which are communicated with an inner cavity of the air extraction pipe, a first one-way valve is fixedly arranged on the first connecting pipe, a second one-way valve is fixedly arranged on the second connecting pipe, the second connecting pipe is communicated with the inner cavity of the fixed pipe, the inner cavity of the air extraction pipe is further connected with a piston in a sliding mode, a pull rod which is distributed along the axial direction of the air extraction pipe is fixedly arranged on the piston, and a driving assembly which is used for driving the piston to reciprocate is fixedly arranged at one end, far away from the piston, of the pull rod.

3. The burst chamber volume rapid measuring device according to claim 2, characterized in that: the driving assembly comprises a driving block fixedly connected with the pull rod, racks distributed along the displacement direction of the piston are fixedly arranged on two sides of an inner cavity of the driving block, an incomplete gear is meshed between the racks, and the incomplete gear is fixedly connected with an output shaft of the driving motor.

4. The burst chamber volume rapid measuring device according to claim 1, characterized in that: the sealed side of covering still opens annular seal chamber, seal chamber upper end intercommunication has the inlet pipe.