CN215057449U

CN215057449U - Mining macromolecular material injection device

Info

Publication number: CN215057449U
Application number: CN202121430951.4U
Authority: CN
Inventors: 贾钊
Original assignee: Shanxi Haoborui New Material Co ltd
Current assignee: Shanxi Haoborui New Material Co ltd
Priority date: 2021-06-26
Filing date: 2021-06-26
Publication date: 2021-12-07
Anticipated expiration: 2031-06-26

Abstract

The utility model discloses a mining high polymer material injection device, which comprises a high polymer material mixing device, an injection pump and an injection device, wherein the inner part of an outer cylinder body of the injection device is connected with an injection inner cylinder body in a sliding way, one end of the injection inner cylinder body is connected with an injection head in a threaded way, a plurality of groups of electric telescopic cylinders are fixedly connected in the outer cylinder body, the electric telescopic cylinders are fixedly connected with the injection inner cylinder body, an injection channel is arranged in the injection inner cylinder body, the bottom surface of the injection channel is arranged in an inclined structure, and the high-end position of the liquid injection channel is close to the injection head, a catheter is fixedly connected to the barrel in the injection, a fixedly connected liquid discharge pipe communicated with the low point position of the liquid injection channel is arranged on the end face, close to the electric telescopic cylinder, of the barrel in the injection, the liquid discharge pipe penetrates out of the outer barrel, a solenoid valve and a pressure gauge are fixedly connected to the liquid discharge pipe, and the liquid discharge pipe is fixedly connected with a liquid pump through a third pipeline. The utility model has the advantages of excellent injection effect, avoiding channel blockage and timely pressure relief.

Description

Mining macromolecular material injection device

Technical Field

The utility model relates to a slip casting equipment technical field, specific mining macromolecular material injection apparatus that says so.

Background

The reinforced (rfd) general mode of strutting the reinforcement is colliery roof, the slip casting is consolidated and is injected the thick liquid into the clearance in coal seam or the stratum of rock in the mode that can utilize high-pressure slip casting, can effectual assurance support the ability, when the slip casting, the slip casting mouth generally need be seted up, later insert injection apparatus and carry out the slip casting in the slip casting mouth again, and current injection apparatus is inserting the intraoral time of slip casting, often the coal cinder can block up the injection hole, make the thick liquid can't discharge, and after the slip casting, because of the inside thick liquid that still exists of injection apparatus, if do not in time get rid of it, then can make the thick liquid solidify the back and block up injection apparatus, influence the use.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a mining macromolecular material injection device that the injection effect is excellent, can avoid the channel blockage, can in time release.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a mining high polymer material injection device comprises a high polymer material mixing device, a grouting pump and an injection device, wherein the high polymer material mixing device is connected with an inlet of a grouting pump through a first pipeline, an outlet of the grouting pump is connected with the injection device through a second pipeline, the injection device comprises an outer cylinder body, an injection inner cylinder body and an electric telescopic cylinder, the injection inner cylinder body is connected inside the outer cylinder body in a sliding mode, one end of the injection inner cylinder body is connected with an injection head in a threaded mode, a plurality of groups of electric telescopic cylinders are fixedly connected to the end face, far away from the injection head, inside the outer cylinder body, the electric telescopic cylinder is fixedly connected with the injection inner cylinder body, and one end, close to the injection head, of the outer cylinder body is provided with a through hole;

the utility model discloses a liquid injection device, including barrel, injection head, liquid injection channel, the bottom surface of liquid injection channel is the slope structure setting, just the high-end position of liquid injection channel is close to the injection head, the barrel is close to in the injection on the terminal surface of electronic telescoping cylinder with the fixedly connected with catheter of the central point position intercommunication of liquid injection channel, the catheter is worn out outer barrel with No. two pipe connections, the barrel is close to in the injection on the terminal surface of electronic telescoping cylinder with the fixedly connected with fluid-discharge tube of the low point position intercommunication of liquid injection channel, the fluid-discharge tube is worn out outer barrel, fixedly connected with solenoid valve and pressure gauge on the fluid-discharge tube, the fluid-discharge tube is through No. three pipeline fixedly connected with drawing liquid pump.

Fixedly connected with multiunit slip table on the outer barrel inner wall, every group all is provided with the spout on the slip table, correspond every group on the barrel outer wall in the injection equal fixedly connected with a set of draw runner of slip table, the draw runner sliding connection be in the spout.

The injection head is provided with a plurality of groups of injection holes.

The one end that the outer barrel kept away from wear the mouth is provided with the maintenance opening, maintenance opening internal thread is connected with the closing cap, electronic telescoping cylinder fixed connection is in on the medial surface of closing cap.

The utility model has the advantages that:

1. the utility model has the advantages that after the outer cylinder body is inserted into the grouting hole, the electric telescopic cylinder pushes the injection inner cylinder body to move, so that the injection head penetrates out of the penetration port, and the coal dust blocks the injection hole on the injection head to influence the injection effect when the injection head is directly penetrated into the grouting port;

2. the utility model provides an injection inner barrel body is internally provided with an inclined structure liquid injection channel, and is fixedly connected with a liquid discharge pipe at the low point of the liquid injection channel, so that after injection is completed, slurry in the liquid injection channel can be discharged in time through the liquid discharge pipe, thereby avoiding the slurry from blocking the liquid injection passage and influencing the next use;

3. the utility model is provided with the pressure gauge on the liquid discharge pipeline, thus when grouting work is carried out, the internal pressure can be detected through the pressure gauge, when the pressure is too high, the electromagnetic valve can be opened in time to realize pressure relief, and potential safety hazards are avoided;

4. the injection head of the utility model can be disassembled, thereby being convenient for replacement.

Drawings

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

FIG. 2 is a schematic view of the structure of the injection head of the present invention when it is worn out;

fig. 3 is a schematic view of the connection structure of the injection device of the present invention.

In the figure: 1 high polymer material mixing device, 2 grouting pump, 3 injection device, 301 outer cylinder, 302 injection inner cylinder, 303 electric telescopic cylinder, 304 injection head, 305 injection hole, 306 liquid injection channel, 307 liquid guide tube, 308 liquid discharge tube, 309 electromagnetic valve, 310 pressure gauge, 311 sliding table, 312 sliding strip, 313 sealing cover, No. 4 pipeline, No. 5 pipeline, No. 6 liquid drawing pump and No. 7 pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a mining polymer material injection device includes a polymer material mixing device 1, an injection pump 2 and an injection device 3, the polymer material mixing device 1 is connected with an inlet of the injection pump 2 through a first pipeline 4, an outlet of the injection pump 2 is connected with the injection device 3 through a second pipeline 5, namely, slurry inside the polymer material mixing device 1 can be extracted to the injection device 3 through the injection pump 2;

the injection device 3 comprises an outer cylinder body 301, an injection inner cylinder body 302 and an electric telescopic cylinder 303, the injection inner cylinder body 302 is connected inside the outer cylinder body 301 in a sliding mode, one end of the injection inner cylinder body 302 is connected with an injection head 304 in a threaded mode, a plurality of groups of injection holes 305 are formed in the injection head 304, a plurality of groups of electric telescopic cylinders 303 are fixedly connected to the end face, far away from the injection head 304, inside the outer cylinder body 301, the electric telescopic cylinder 303 is fixedly connected with the injection inner cylinder body 302, a penetrating port is formed in one end, close to the injection head 304, of the outer cylinder body 301, and therefore the injection inner cylinder body 302 can be pushed to move through the electric telescopic cylinder 303, and the injection head 304 penetrates out of the outer cylinder body 301;

a liquid injection channel 306 is arranged in the injection inner cylinder 302, the liquid injection channel 306 is communicated with the inside of the injection head 304, the bottom surface of the liquid injection channel 306 is arranged in an inclined structure, the high end position of the liquid injection channel 306 is close to the injection head 304, a liquid guide pipe 307 which is communicated with the central position of the liquid injection channel 306 is fixedly connected on the end surface of the injection inner cylinder 302 which is close to the electric telescopic cylinder 303, the liquid guide pipe 307 penetrates out of the outer cylinder 301 to be connected with a second pipeline 5, so that slurry pumped by the slurry injection pump 2 can be transmitted to the liquid injection channel 306 and then transmitted to the injection head 304 to be discharged, a liquid discharge pipe 308 which is fixedly connected on the end surface of the injection inner cylinder 302 which is close to the electric telescopic cylinder 303 and is communicated with the low end position of the liquid injection channel 306 is fixedly connected, the liquid discharge pipe 308 penetrates out of the outer cylinder 301, an electromagnetic valve 309 and a pressure gauge 310 are fixedly connected on the liquid discharge pipe 308, and a liquid pump 6 is fixedly connected on the liquid discharge pipe 308 through a third pipeline 7, like this when the injection completion after, can open solenoid valve 309 and drawing liquid pump 6 to make and get rid of the inside thick liquid of notes liquid channel 306, thereby avoid blockking up notes liquid channel 306, when carrying out the slip casting work moreover, also can detect internal pressure through the press, when pressure was too high, can in time open solenoid valve 309 and drawing liquid pump 6, thereby realized the pressure release.

The utility model discloses specific theory, fixedly connected with multiunit slip table 311 on the outer barrel 301 inner wall all is provided with the spout on every group slip table 311, corresponds a set of draw runner 312 of the equal fixedly connected with of every group slip table 311 on the barrel 302 outer wall in the injection, and draw runner 312 sliding connection is in the spout to barrel 302 and outer barrel 301's sliding connection in this realization injection.

The utility model discloses it is further, outer barrel 301 is kept away from the one end of wearing the mouth and is provided with the maintenance opening, and the inside threaded connection of maintenance opening has closing cap 313, and electronic telescoping cylinder 303 fixed connection can take out barrel 302 and electronic telescoping cylinder 303 in the injection through unscrewing closing cap 313 like this on closing cap 313's medial surface to be convenient for the device maintenance.

The utility model discloses a theory of operation is: when the grouting device is used, the outer cylinder body 301 is inserted into a pre-arranged grouting port, then the electric telescopic cylinder 303 is started, so that the electric telescopic cylinder 303 pushes the injection inner cylinder body 302 to push the injection head 304 out of the outer cylinder body 301, grout is continuously pumped to the grouting channel 306 through the grouting pump 2, and then the grout is discharged from the injection hole 305 of the injection head 304, so that grouting work is realized;

during grouting, the pressure gauge 310 can detect the internal pressure in real time, and when the pressure is too high, the electromagnetic valve 309 and the liquid pump 6 can be opened, so that a part of slurry in the liquid pumping channel 306 is discharged, and pressure relief is realized;

after grouting is completed, the electromagnetic valve 309 and the liquid pump 6 can be opened, so that the injected liquid is quickly discharged through the residual slurry inside, and the blockage of a grouting channel caused by the solidification of the slurry is avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a mining macromolecular material injection apparatus, mixes device (1), grouting pump (2) and injection apparatus (3) including macromolecular material system, macromolecular material system mix device (1) with connect through a pipeline (4) between the import of grouting pump (2), the export of grouting pump (2) with connect its characterized in that through No. two pipeline (5) between injection apparatus (3): the injection device (3) comprises an outer cylinder body (301), an injection inner cylinder body (302) and an electric telescopic cylinder (303), the injection inner cylinder body (302) is connected to the inner part of the outer cylinder body (301) in a sliding mode, an injection head (304) is connected to one end of the injection inner cylinder body (302) in a threaded mode, a plurality of groups of electric telescopic cylinders (303) are fixedly connected to the end face, far away from the injection head (304), of the inner part of the outer cylinder body (301), the electric telescopic cylinder (303) is fixedly connected with the injection inner cylinder body (302), and a through hole is formed in one end, close to the injection head (304), of the outer cylinder body (301);

a liquid injection channel (306) is arranged in the injection inner cylinder body (302), the liquid injection channel (306) is communicated with the inside of the injection head (304), the bottom surface of the liquid injection channel (306) is arranged in an inclined structure, the high end position of the liquid injection channel (306) is close to the injection head (304), the injection inner cylinder body (302) is close to a fixedly connected liquid guide pipe (307) which is arranged on the end surface of the electric telescopic cylinder (303) and communicated with the center position of the liquid injection channel (306), the liquid guide pipe (307) penetrates out of the outer cylinder body (301) to be connected with the second pipeline (5), a fixedly connected liquid discharge pipe (308) which is arranged on the end surface of the electric telescopic cylinder (303) and communicated with the low end position of the liquid injection channel (306), the liquid discharge pipe (308) penetrates out of the outer cylinder body (301), and an electromagnetic valve (309) and a pressure gauge (310) are fixedly connected to the liquid discharge pipe (308), the liquid discharge pipe (308) is fixedly connected with a liquid pump (6) through a third pipeline (7).

2. The mining high polymer material injection device according to claim 1, characterized in that: fixedly connected with multiunit slip table (311) on outer barrel (301) inner wall, every group all be provided with the spout on slip table (311), correspond every group on barrel (302) outer wall in the injection equal fixedly connected with a set of draw runner (312) of slip table (311), draw runner (312) sliding connection be in the spout.

3. The mining high polymer material injection device according to claim 1, characterized in that: the injection head (304) is provided with a plurality of groups of injection holes (305).

4. The mining high polymer material injection device according to claim 1, characterized in that: one end, far away from the penetrating opening, of the outer cylinder body (301) is provided with a maintenance opening, a sealing cover (313) is connected to the interior of the maintenance opening in a threaded mode, and the electric telescopic cylinder (303) is fixedly connected to the inner side face of the sealing cover (313).