Multi-bag hole packer for coal mine

Abstract

The utility model relates to the technical field of hole sealing devices, and discloses a coal mine multi-bag hole sealing device which comprises a mounting pipe, the left end and the right end of the outer wall of the mounting pipe are fixedly connected with shells, the adjacent sides of the two shells are provided with sealing grooves, and the middle of the outer wall of the mounting pipe is fixedly connected with a filling bag. A plurality of fixing rings are fixedly connected to the left end and the right end of the outer wall of the filling bag, screw holes are formed in the adjacent sides of the multiple fixing rings, bolts are in threaded connection with the interiors of the screw holes in the top, and the bottom ends of the bolts penetrate through the fixing rings and are in threaded connection with nuts. The two ends of the filling bag are pushed into the sealing grooves through the fixing rings, the sealing grooves and the fixing rings are extruded and fixed, the sealing effect of the filling bag is improved, gas is injected into the gas inflation cavity through the gas inflation pipe to complete rapid filling, then liquid is injected into the liquid injection cavity through the liquid injection pipe, and therefore the filling bag can be rapidly filled. And fine gaps are accurately blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of hole sealers, in particular to a coal mine multi-bag hole sealer. Background Art

[0002] In the process of coal mining, bag grouting sealers are used for gas extraction and borehole sealing. The grouting pump applies pressure to fill the bag of the sealer with slurry. During the expansion of the bag, excess water is filtered out to shorten the solidification time of the grouting material, thereby achieving rapid sealing of the borehole.

[0003] The existing hole sealer relies on clamps and wires to complete the fastening and sealing work when fixing the bag and the pipeline.

[0004] During long-term use of this fixing method, the clamp or wire may break, resulting in the loss of sealing performance between the bag and the pipe, affecting the normal use of the bag and the sealing effect of the hole. Therefore, a coal mine multi-bag sealer is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a coal mine multi-bag sealer, which aims to improve the fixing method of the clamp and the iron wire in the prior art, and the problem of the clamp or the iron wire breaking easily occurs during use.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a coal mine multi-bag sealer, including a mounting tube, the left and right ends of the outer wall of the mounting tube are fixedly connected with an outer shell, the adjacent sides of the two outer shells are provided with sealing grooves, the middle part of the outer wall of the mounting tube is fixedly connected with a filling bag, the left and right ends of the outer wall of the filling bag are fixedly connected with a plurality of fixing rings, the adjacent sides of the plurality of fixing rings are provided with screw holes, the internal threads of the top screw holes are connected with bolts, the bottom ends of the bolts penetrate the fixing rings and are threadedly connected with nuts, the outer walls of the plurality of fixing rings are fixedly connected with fixing plates, the adjacent sides of the plurality of fixing plates are threadedly connected with screw rods, the ends of the plurality of screw rods that are far away penetrate the adjacent sides of the fixing plates and are threadedly connected with connecting plates, the adjacent sides of the plurality of connecting plates are fixedly connected to the outer wall of the outer shell, and a filling mechanism is provided inside the filling bag.

[0007] As a further description of the above technical solution:

[0008] The filling mechanism includes a wear-resistant layer, the inner wall of the wear-resistant layer is fixedly connected to the outer wall of the filling bag, a grouting cavity is arranged inside the filling bag, an inflation cavity is arranged inside the grouting cavity, the outer wall of the grouting cavity is connected to a liquid injection pipe, and the outer wall of the inflation cavity is connected to an inflation pipe.

[0009] As a further description of the above technical solution:

[0010] The outer walls of the air filling tube and the liquid injection tube are connected with a valve seat.

[0011] As a further description of the above technical solution:

[0012] Adjacent ends of the plurality of screw rods are all fixedly connected with a rotating knob.

[0013] As a further description of the above technical solution:

[0014] The diameter of the bolt is matched to the inner diameter of the nut.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the outer shell on the right side is fixedly connected to a limiting ring, and the outer walls of the inflation tube and the liquid injection tube are fixedly connected to the inner wall of the limiting ring.

[0017] As a further description of the above technical solution:

[0018] The outer wall of the left shell is fixedly connected with a mounting ring, and the outer wall of the mounting ring is rotatably connected with auxiliary wheels on all sides.

[0019] As a further description of the above technical solution:

[0020] The right end of the outer wall of the mounting tube is fixedly connected with a handle, and the outer walls of the two handles are fixedly connected with an anti-slip sleeve.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the two ends of the filling bag are folded and clamped by multiple fixing rings, and then the fixing plate is reinforced by bolts and nuts. The screw on the fixing plate is rotated to drive the fixing ring to slide into the sealing groove, so that the folding angle of the filling bag is squeezed and fixed by the sealing groove and the fixing ring, thereby improving the sealing effect of the filling bag.

[0023] 2. In the utility model, gas is injected into the inflation cavity through the inflation tube to quickly complete large-scale filling of the hole, and then the filling liquid is injected into the injection cavity through the injection tube, so that some small gaps inside the hole can be accurately sealed, thereby improving the sealing after sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional schematic diagram of a coal mine multi-bag hole sealer proposed by the utility model;

[0025] Figure 2This is a disassembled diagram of a coal mine multi-bag hole sealer proposed by the utility model;

[0026] Figure 3 The utility model is a cross-sectional view of a coal mine multi-bag hole sealer.

[0027] Legend:

[0028] 1. Mounting tube; 2. Filling mechanism; 201. Wear-resistant layer; 202. Grouting cavity; 203. Inflating cavity; 204. Inflating tube; 205. Liquid injection tube; 206. Valve seat; 3. Shell; 4. Filling bag; 5. Sealing groove; 6. Fixing ring; 7. Screw hole; 8. Bolt; 9. Nut; 10. Fixing plate; 11. Screw; 12. Connecting plate; 13. Knob; 14. Mounting ring; 15. Auxiliary wheel; 16. Handle; 17. Anti-slip sleeve; 18. Limiting ring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a coal mine multi-bag sealer, comprising a mounting tube 1, the left and right ends of the outer wall of the mounting tube 1 are fixedly connected with a shell 3, the adjacent sides of the two shells 3 are provided with sealing grooves 5, the middle part of the outer wall of the mounting tube 1 is fixedly connected with a filling bag 4, the left and right ends of the outer wall of the filling bag 4 are fixedly connected with a plurality of fixing rings 6, the adjacent sides of the plurality of fixing rings 6 are provided with screw holes 7, the inner thread of the top screw hole 7 is connected with a bolt 8, the bottom end of the bolt 8 penetrates the fixing ring 6 and is threadedly connected with a nut 9, the outer walls of the plurality of fixing rings 6 are fixedly connected with a fixing plate 10, the adjacent sides of the plurality of fixing plates 10 are threadedly connected with a screw rod 11, the ends of the plurality of screw rods 11 that are far away from each other penetrate the adjacent sides of the fixing plate 10 and are threadedly connected with a connecting plate 12, the adjacent sides of the plurality of connecting plates 12 are fixedly connected to the outer wall of the shell 3, a filling mechanism 2 is arranged inside the filling bag 4, the adjacent ends of the plurality of screw rods 11 are fixedly connected with a knob 13, and the diameter of the bolt 8 is adapted to the inner diameter of the nut 9.

[0031] Specifically, a shell 3 is fixedly installed at both ends of the outer wall of the mounting tube 1, and a filling bag 4 is installed in the middle of the mounting tube 1. The two ends of the filling bag 4 are folded and placed through the sealing groove 5 on the adjacent side of the shell 3. A fixing ring 6 is installed on the outer wall of both ends of the filling bag 4. Multiple fixing rings 6 are spliced ​​with each other. Screw holes 7 are opened on both sides of the fixing ring 6. Bolts 8 are threadedly connected inside the screw holes 7. The fixing rings 6 are reinforced by the bolts 8. The ends of the bolts 8 pass through the screw holes 7 and are connected to nuts 9, so that the clamping of the two ends of the filling bag 4 is completed. A fixing plate 10 is fixed on the outer wall of the fixing ring 6, and a screw 11 is threadedly connected to the fixing plate 10. At the same time, a connecting plate 12 is fixed on the outer wall of the shell 3. By connecting the screw 11 to the connecting plate 12, the entire fixing ring 6 is driven to slide into the sealing groove 5 by rotating the screw 11. At the same time, the fixing ring 6 pushes the folding corners on both sides of the filling bag 4 to insert into the sealing groove 5, thereby completing the fixing of the filling bag 4 and improving the sealing effect of the filling bag 4.

[0032] Reference Figure 1 and Figure 3 The filling mechanism 2 includes a wear-resistant layer 201, the inner wall of the wear-resistant layer 201 is fixedly connected to the outer wall of the filling bag 4, a grouting cavity 202 is arranged inside the filling bag 4, an inflation cavity 203 is arranged inside the grouting cavity 202, the outer wall of the grouting cavity 202 is connected to a liquid injection pipe 205, the outer wall of the inflation cavity 203 is connected to an inflation pipe 204, the outer walls of the inflation pipe 204 and the injection pipe 205 are connected to a valve seat 206, the outer walls of the right side shell 3 are fixedly connected to the limiting ring 18, and the outer walls of the inflation pipe 204 and the injection pipe 205 are fixedly connected to the inner wall of the limiting ring 18.

[0033] Specifically, the outer wall of the filling bag 4 is provided with a wear-resistant layer 201, which can improve the wear resistance of the surface of the filling bag 4 and improve the service life of the filling bag 4. A liquid injection cavity 202 is provided inside the filling bag 4, and the outer wall of the liquid injection cavity 202 is connected to the liquid injection tube 205. The filling liquid is injected through the liquid injection tube 205, which can greatly improve the accuracy of filling small gaps. An air filling cavity 203 is provided inside the liquid injection cavity 202, which is connected to the air filling cavity 203 through the air filling tube 204, and the air filling tube 204 can quickly complete the large-scale filling process of the hole.

[0034] Reference Figure 1 The outer wall of the left shell 3 is fixedly connected with a mounting ring 14, and the outer wall of the mounting ring 14 is rotatably connected with auxiliary wheels 15 all around. The right end of the outer wall of the mounting tube 1 is fixedly connected with a handle 16, and the outer walls of the two handles 16 are fixedly connected with an anti-slip sleeve 17.

[0035] Specifically, a mounting ring 14 is fixedly installed on the outer wall of the left shell 3. The auxiliary wheels 15 on the mounting ring 14 can facilitate construction workers to move the mounting pipe 1 into the hole, making it more convenient to use. At the same time, the handle 16 and the anti-slip sleeve 17 can facilitate workers to take and use the mounting pipe 1.

[0036] Working principle: First, when sealing the filling bag 4, the two ends of the filling bag 4 are folded and clamped by multiple fixing rings 6, the fixing ring 6 is penetrated by bolts 8 and threadedly connected with the nut 9, and the screw 11 on the fixing plate 10 is connected to the connecting plate 12, and the entire fixing ring 6 is driven to slide into the sealing groove 5 by rotating the screw 11, and the folded corners on both sides of the filling bag 4 are pushed by the fixing ring 6 to insert into the sealing groove 5, thereby completing the fixing of the filling bag 4 and improving the sealing effect of the filling bag 4, and when sealing the hole, the filling bag 4 is moved to a suitable position on the inner wall of the hole, and then the gas is first injected into the inflation cavity 203 through the inflation tube 204 to quickly complete the large-scale filling of the hole, and then the filling liquid is injected into the injection cavity 202 through the injection tube 205, so that some small gaps inside the hole can be accurately sealed, thereby improving the sealing after sealing.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-bag sealer for coal mines, comprising a mounting tube (1), characterized in that: The outer wall of the installation tube (1) is fixedly connected to a shell (3) at both ends, and a sealing groove (5) is provided on adjacent sides of the two shells (3). A filling bag (4) is fixedly connected to the middle of the outer wall of the installation tube (1). The outer wall of the filling bag (4) is fixedly connected to a plurality of fixing rings (6) at both ends, and a screw hole (7) is provided on adjacent sides of the plurality of fixing rings (6). The inner thread of the top screw hole (7) is connected to a bolt (8), and the bottom end of the bolt (8) passes through the fixing ring. (6) and threadedly connected with a nut (9), the outer walls of the plurality of fixing rings (6) are fixedly connected with a fixing plate (10), the adjacent sides of the plurality of fixing plates (10) are threadedly connected with a screw rod (11), the ends away from the plurality of screw rods (11) pass through the adjacent sides of the fixing plate (10) and are threadedly connected with a connecting plate (12), the adjacent sides of the plurality of connecting plates (12) are fixedly connected to the outer wall of the shell (3), and a filling mechanism (2) is provided inside the filling bag (4).

2. A coal mine multi-bag sealer according to claim 1, characterized in that: The filling mechanism (2) comprises a wear-resistant layer (201), the inner wall of the wear-resistant layer (201) is fixedly connected to the outer wall of the filling bag (4), the filling bag (4) is provided with a grouting cavity (202) inside, the grouting cavity (202) is provided with an inflation cavity (203) inside, the outer wall of the grouting cavity (202) is connected to a liquid injection pipe (205), and the outer wall of the inflation cavity (203) is connected to an inflation pipe (204).

3. A coal mine multi-bag sealer according to claim 2, characterized in that: The outer walls of the inflation tube (204) and the liquid injection tube (205) are in communication with a valve seat (206).

4. A coal mine multi-bag sealer according to claim 1, characterized in that: Adjacent ends of the plurality of screw rods (11) are fixedly connected with a rotating knob (13).

5. The multi-bag sealer for coal mines according to claim 1, characterized in that: The diameter of the bolt (8) is matched to the inner diameter of the nut (9).

6. A coal mine multi-bag sealer according to claim 2, characterized in that: The outer wall of the outer shell (3) on the right side is fixedly connected to a limit ring (18), and the outer walls of the inflation tube (204) and the liquid injection tube (205) are fixedly connected to the inner wall of the limit ring (18).

7. A coal mine multi-bag sealer according to claim 1, characterized in that: The outer wall of the left shell (3) is fixedly connected with a mounting ring (14), and the outer wall of the mounting ring (14) is rotatably connected with auxiliary wheels (15) all around.

8. The multi-bag sealer for coal mines according to claim 1, characterized in that: The right ends of the outer walls of the mounting tubes (1) are fixedly connected with handles (16), and the outer walls of the two handles (16) are fixedly connected with anti-slip sleeves (17).

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