CN218953280U

CN218953280U - Grouting hole packer

Info

Publication number: CN218953280U
Application number: CN202223244247.7U
Authority: CN
Inventors: 边乐; 陈立伟; 王东杰; 严越涵; 周凯凡
Original assignee: Henan University of Technology
Current assignee: Henan University of Technology
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-02
Anticipated expiration: 2032-12-05

Abstract

The utility model belongs to the technical field of grouting hole sealing devices, in particular to a grouting hole sealing device which comprises a bag, a first plunger block, a second plunger block and a protection tube, wherein one end of the bag is coated and adhered to the outer surface of the first plunger block, the other end of the bag is coated and adhered to the outer surface of the second plunger block, a first sleeve is sleeved on the outer side of the first plunger block, a second sleeve is sleeved on the outer side of the second plunger block, two ends of the bag are respectively attached to the inner side of the first sleeve and the inner side of the second sleeve, the protection tube is sleeved on the outer sides of the first sleeve and the second sleeve, and two arc-shaped grooves are symmetrically formed in the outer end surface of the first plunger block; according to the utility model, the protection tube is arranged to protect the bag, so that the bag is prevented from being damaged due to friction with the inner wall of the hole when entering the gas-collecting hole, the grouting sealing effect is influenced, the installation structure of the protection tube is simple in design, and the protection tube is convenient for workers to install and disassemble, so that the protection tube can be reused, and the cost is reduced.

Description

Grouting hole packer

Technical Field

The utility model relates to the technical field of grouting hole sealing devices, in particular to a grouting hole sealing device.

Background

The grouting hole packer is mostly used for mining coal mines, gas in coal seams of the coal mines needs to be extracted before mining the coal mines, and the situation that workers are injured after the gas in the coal mines leaks is avoided, so that safety accidents occur. When the traditional gas extraction device extracts gas, the gas is extracted generally only by means of negative pressure, an extraction pipe needs to be arranged during extraction, the extraction pipe is generally stretched into a drill hole and then sealed by using a hole sealing agent, and then negative pressure extraction is carried out, but the sealing performance of the extraction pipe is poor in an extraction mode, the extraction effect is poor, and the gas hidden in a coal seam is difficult to release completely, so that the gas extraction is incomplete, the effect of the gas extraction is influenced, so that scientific researchers develop and innovate the bag type extraction pipe, and the bag is expanded through grouting to seal the drill hole.

At present, the existing bag type grouting extraction pipe has no corresponding protection structure, so that most of bags are exposed outside, and therefore workers are easy to rub the inner wall of a drilled hole to damage the bags in the process of inserting the extraction pipe into the drilled hole, the grouting effect is affected, and poor sealing results are obtained; therefore, a grouting hole packer is provided for solving the problems.

Disclosure of Invention

In order to make up the deficiency of the prior art, solve the existing bag type grouting extraction pipe because there is no corresponding protective structure, make the bag expose outside mostly, this causes the staff to insert the extraction pipe in the process that the bag rubs with the inner wall of the borehole easily and then appear damaging, influence the grouting effect, and then the problem of the bad result of leakproofness appears, the utility model provides a grouting hole packer.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a grouting hole packer, which comprises a bag, a first plunger block, a second plunger block and a protection pipe, wherein one end of the bag is coated and adhered to the outer surface of the first plunger block, the other end of the bag is coated and adhered to the outer surface of the second plunger block, a first sleeve is sleeved on the outer side of the first plunger block, a second sleeve is sleeved on the outer side of the second plunger block, two ends of the bag are respectively adhered to the inner side of the first sleeve and the inner side of the second sleeve, the protection pipe is sleeved on the outer sides of the first sleeve and the second sleeve, two arc-shaped grooves are symmetrically formed in the outer end surface of the first plunger block, an elastic component is arranged in the arc-shaped grooves, two clamping grooves are symmetrically formed in the outer end surface of the second plunger block, two brackets are symmetrically fixedly connected to one end of the protection pipe, a compression rod is fixedly connected to the inner side of the bracket, two clamping hook pieces are symmetrically fixedly connected to the other end of the protection pipe, the clamping hook pieces are in sliding connection with the clamping grooves, a suction pipe is fixedly connected to the first plunger block, the other end of the suction pipe penetrates through the second plunger block, and the suction pipe extends into the grouting pipe; can realize the dismouting to the quick of protection tube through elastic component cooperation depression bar, trip spare and draw-in groove, can form the protection to the bag through the installation protection tube, the inner wall friction with the hole produces the damage when avoiding the bag to get into in the gas production hole, influences the sealed effect of slip casting, and the mounting structure design of protection tube is comparatively simple, makes things convenient for the staff to install and dismantle, and then makes the protection tube can reuse, reduce cost.

Preferably, the elastic component comprises a spring and an arc-shaped block, a plurality of springs are fixed on the inner wall of the arc-shaped groove, the other ends of the springs are fixedly connected with the arc-shaped block, the arc-shaped block is in sliding connection with the arc-shaped groove, and the compression bar corresponds to the arc-shaped block; the clamping hook piece can be limited in the clamping groove by matching the elastic force of the spring with the arc-shaped block and the compression bar, so that the protection tube can be conveniently fixed.

Preferably, two sliding grooves are symmetrically formed in the outer surfaces of the first plunger block and the second plunger block, and the clamping hook piece is in sliding connection with the sliding grooves; the sliding of the clamping hook piece is facilitated through the sliding grooves formed in the first plunger block and the second plunger block.

Preferably, a beam-converging tube is sleeved at the center of the outer side of the bag, the outer diameter of the beam-converging tube is the same as the outer diameters of the first sleeve and the second sleeve, three limiting holes are formed in the beam-converging tube, an elastic sealing piece is clamped in each limiting hole, three through holes are formed in the bag, and the positions of the through holes correspond to the limiting holes; when the pressure in the bag reaches a certain degree, the slurry can eject the elastic sealing element in the limiting hole and fill the gap, so that the tightness between the bag and the inner wall of the gas production hole is further ensured.

Preferably, both ends of the elastic sealing element are in a truncated cone shape, the inner wall of the limiting hole is attached to the outer wall of the elastic sealing element, and two sliding grooves are symmetrically formed in the outer wall of the converging tube; through the shape design to the elastic sealing piece for the elastic sealing piece can block in spacing downthehole, can be simultaneously with its ejection when the pressure in the bag reaches certain degree, makes the thick liquid can outflow.

Preferably, the first plunger block is provided with an inserting hole, the grouting pipe is in sliding connection with the inserting hole, a sealing ring is fixed on the inner wall of the inserting hole, and the grouting pipe is attached to the sealing ring; the sealing performance between the grouting pipe and the inner wall of the plug hole during grouting is guaranteed through the design of the sealing ring in the plug hole.

The utility model has the advantages that:

1. according to the utility model, the elastic component is matched with the compression bar, the clamping hook and the clamping groove, so that the protection tube can be quickly disassembled and assembled, the protection tube is installed, the damage caused by friction between the bag and the inner wall of the hole when the bag enters the gas hole is avoided, the grouting sealing effect is influenced, the installation structure of the protection tube is simple, and the protection tube is convenient for workers to install and disassemble, so that the protection tube can be repeatedly utilized, and the cost is reduced;

2. according to the utility model, the staff performs grouting into the grouting pipe, the grouting liquid can quickly expand the part of the bag between the first plunger block, the converging pipe and the second plunger block and is attached to the inner wall of the gas production hole after entering the bag, so that sealing is formed preliminarily, when the pressure in the bag reaches a certain degree, the grouting liquid can push out the elastic sealing element in the limit hole and fill the gap, the tightness between the bag and the inner wall of the gas production hole is further ensured, and the elastic sealing element can be clamped in the limit hole by designing the shape of the elastic sealing element.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic overall structure of a first embodiment;

FIG. 2 is a schematic diagram of an end structure of a second sleeve according to the first embodiment;

FIG. 3 is a schematic view showing an end structure of a first sleeve according to the first embodiment;

FIG. 4 is a cross-sectional view of the whole of the first embodiment;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partial enlarged view at B in FIG. 4;

FIG. 7 is an enlarged view of a portion of FIG. 4 at C;

fig. 8 is a schematic partial structure of the second embodiment.

In the figure: 1. a pouch; 2. a plunger block I; 3. a first sleeve; 4. a converging tube; 5. a second plunger block; 6. a second sleeve; 7. a drainage pipe; 8. grouting pipe; 9. a protective tube; 10. a bracket; 11. a compression bar; 12. a hook member; 13. a clamping groove; 14. an arc-shaped groove; 15. a spring; 16. an arc-shaped block; 17. a chute; 18. a limiting hole; 19. an elastic seal; 20. and a guide block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-7, a grouting hole packer comprises a bag 1, a first plunger block 2, a second plunger block 5 and a protection tube 9, wherein one end of the bag 1 is coated and adhered to the outer surface of the first plunger block 2, the other end of the bag 1 is coated and adhered to the outer surface of the second plunger block 5, a first sleeve pipe 3 is sleeved on the outer side of the first plunger block 2, a second sleeve pipe 6 is sleeved on the outer side of the second plunger block 5, two ends of the bag 1 are respectively attached to the inner side of the first sleeve pipe 3 and the inner side of the second sleeve pipe 6, the protection tube 9 is sleeved on the outer sides of the first sleeve pipe 3 and the second sleeve pipe 6, two arc-shaped grooves 14 are symmetrically formed in the outer end face of the first plunger block 2, an elastic component is arranged in the arc-shaped groove 14, two clamping grooves 13 are symmetrically formed in the outer end face of the second plunger block 5, two brackets 10 are symmetrically fixedly connected to one end of the protection tube 9, two clamping hooks 12 are symmetrically connected to the inner side of the elastic component, two clamping rods 11 are symmetrically connected to the other end of the protection tube 9, two clamping hooks 12 are symmetrically connected to the inner side of the first sleeve pipe 11, the clamping blocks 12 are connected to the second sleeve pipe 7, and the other end of the first sleeve pipe 8 is connected to the second sleeve pipe 8, and the second grouting tube 8 is connected to the second sleeve pipe 8 through the grouting pipe 8; during operation, before inserting the bag 1, the staff installs the protection tube 9, the fixed suction tube 7 is simultaneously with protection tube 9 from sleeve one 3 with slide to sleeve two 6, trip piece 12 on the protection tube 9 slides along sleeve one 3, sleeve two 6 and spout 17 on the receipts pipe 4, until trip piece 12 slides to sleeve two 6's terminal surface department, continue pressing support 10 and make depression bar 11 slide into arc wall 14 and extrude elastic component, rotatory support 10 drives protection tube 9 and rotates until depression bar 11 slides to the other end from the one end of arc wall 14, make trip piece 12 and draw-in groove 13 correspond, loosen support 10, pop out depression bar 11 through elastic component's elasticity effect, simultaneously protection tube 9 drives trip piece 12 and slides into draw-in groove 13, make protection tube 9 by the outside of fixing at bag 1, the staff inserts into the gas production hole together with protection tube 9, after inserting this moment, press support 10 again and rotate, make trip piece 12 draw-in groove 13 and slide along spout 17, and break away from in the protection tube 9, the one end of slip-off groove 1 is followed to the protection tube, the slip casting hole is realized to the seal 1, can be carried out to the seal the side of the injection hole 1 through the seal and the injection hole is avoided in the injection hole 1, can be carried out to the seal and the cost is reduced, and the seal is realized, and the seal is carried out to the seal and the injection hole is carried out to the seal the injection tube 1 is carried out to the seal the side 1, and the seal the side is filled with the injection tube 1 is avoided and the seal and the inner wall is made to be easily and the seal and the inner wall 1 to be filled with the seal and the injection hole is filled with the seal 1.

The elastic component comprises springs 15 and arc-shaped blocks 16, a plurality of springs 15 are fixed on the inner wall of the arc-shaped groove 14, the other ends of the springs 15 are fixedly connected with the arc-shaped blocks 16, the arc-shaped blocks 16 are in sliding connection with the arc-shaped groove 14, and the compression bars 11 correspond to the arc-shaped blocks 16; during operation, the arc-shaped groove 14 is convenient for positioning the cooperation of the clamping hook piece 12 and the clamping groove 13 when the pressure bar 11 rotates, and the clamping hook piece 12 can be limited in the clamping groove 13 through the cooperation of the arc-shaped block 16 and the pressure bar 11 under the action of the elasticity of the spring 15, so that the protection tube 9 is convenient to fix.

Two sliding grooves 17 are symmetrically formed in the outer surfaces of the first plunger block 2 and the second plunger block 5, and the clamping hook piece 12 is in sliding connection with the sliding grooves 17; during operation, sliding of the clamping hook piece 12 is facilitated through the sliding grooves 17 formed in the first plunger block 2 and the second plunger block 5.

The outer center of the bag 1 is sleeved with a converging tube 4, the outer diameter of the converging tube 4 is the same as the outer diameters of the first sleeve pipe 3 and the second sleeve pipe 6, three limiting holes 18 are formed in the converging tube 4, an elastic sealing piece 19 is clamped in each limiting hole 18, three through holes are formed in the bag 1, and the positions of the through holes correspond to the limiting holes 18; during operation, the staff is to grouting in the slip casting pipe 8, and the thick liquid can make the bag 1 part inflation between plunger piece one 2, the beam-contracting pipe 4 and the plunger piece two 5 and laminate with the inner wall of gas production hole rapidly after getting into bag 1, initially forms sealedly, and when the pressure in the bag 1 reached certain degree, the thick liquid can be with the elastic sealing piece 19 in the spacing hole 18 ejecting and flood in the gap, has further guaranteed the leakproofness between bag 1 and the gas production hole inner wall.

Both ends of the elastic sealing piece 19 are in a truncated cone shape, the inner wall of the limiting hole 18 is attached to the outer wall of the elastic sealing piece 19, and two sliding grooves 17 are symmetrically formed in the outer wall of the converging tube 4; during operation, the elastic sealing element 19 can be clamped in the limiting hole 18 by designing the shape of the elastic sealing element 19, and meanwhile, the elastic sealing element 19 can be ejected when the pressure in the bag 1 reaches a certain degree, so that the slurry can flow outwards.

The first plunger block 2 is provided with an inserting hole, the grouting pipe 8 is in sliding connection with the inserting hole, a sealing ring is fixed on the inner wall of the inserting hole, and the grouting pipe 8 is attached to the sealing ring; when the grouting device is in operation, after grouting is completed, the grouting pipe 8 can slide out of the plunger block I2, and the sealing performance between the grouting pipe 8 and the inner wall of the plug hole is ensured through the design of the sealing ring in the plug hole.

Example two

Referring to fig. 8, in a first comparative example, as another embodiment of the present utility model, a guide groove is formed on the inner wall of the arc-shaped groove 14, a guide block 20 is fixedly connected to one side of the arc-shaped block 16, and the guide block 20 is slidably connected to the guide groove; during operation, when the staff is in installation protection tube 9, need inwards press support 10 so that depression bar 11 extrudees arc piece 16, through the sliding fit between guide block 20 and the guide way, play the effect of supplementary direction to the slip of arc piece 16, when trip piece 12 slides into draw-in groove 13 in, arc piece 16 pops out depression bar 11 under spring 15's elasticity effect, can carry out spacingly to the stroke of arc piece 16 through the cooperation of guide block 20 and guide way, avoid arc piece 16 to pop out arc groove 14.

The working principle is that before the bag 1 is inserted, the worker installs the protection tube 9, the extraction tube 7 is fixed, the protection tube 9 is simultaneously fixed to the extraction tube 7 from the first sleeve 3 to the second sleeve 6, the clamping hook piece 12 on the protection tube 9 slides along the first sleeve 3, the second sleeve 6 and the sliding groove 17 on the collecting tube 4 until the clamping hook piece 12 slides to the end face of the second sleeve 6, the worker continuously presses the support 10 to enable the pressing rod 11 to slide into the arc groove 14 and drive the arc block 16 to squeeze the spring 15 until the arc block 16 slides to the limit, the rotating support 10 drives the protection tube 9 to rotate until the pressing rod 11 slides to the other end from one end of the arc groove 14, the clamping hook piece 12 corresponds to the clamping groove 13, the support 10 is loosened, the arc block 16 is driven to slide outwards by the elasticity of the spring 15 to enable the pressing rod 11 to pop up, the protection tube 9 drives the clamping hook piece 12 to slide into the clamping groove 13, the protection tube 9 is fixed to the outer side of the bag 1, the worker inserts the protection tube 9 into the air hole 1 together, the support 10 is pressed again, the support 10 is rotated again, the clamping hook piece 12 is enabled to be separated from the clamping hook piece 12 and to slide out of the groove 17 along the inner wall 1 and the inner wall of the injection hole 1, the injection hole is further sealed by the injection hole 1, the injection hole is sealed by the injection hole is further sealed by the injection hole 1, and the injection hole is sealed by the injection hole is further sealed by the injection hole 1, the injection hole is further filled with the injection hole is sealed by the injection hole and the injection hole is sealed.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a slip casting hole packer which characterized in that: including bag (1), plunger piece one (2), plunger piece two (5) and protection tube (9), the one end cladding of bag (1) bonds in the surface of plunger piece one (2), the other end cladding of bag (1) bonds in the surface of plunger piece two (5), sleeve pipe one (3) has been cup jointed in the outside of plunger piece one (2), sleeve pipe two (6) have been cup jointed in the outside of plunger piece two (5), the inboard laminating of inboard and sleeve pipe two (6) of bag (1) respectively with sleeve pipe one (3) both ends, protection tube (9) cover is established in sleeve pipe one (3) and sleeve pipe two (6)'s outside, two arc grooves (14) have been seted up to the symmetry on the outer terminal surface of plunger piece one (2), be equipped with elastic component in arc groove (14), two draw-in grooves (13) have been seted up to the symmetry on the outer terminal surface of plunger piece two (5), the one end symmetry rigid coupling of protection tube (9) has two supports (10), the inboard laminating of support (10) respectively, draw-in tube (9) cover is established in sleeve pipe one (3) inboard and is drawn out the outside of sleeve pipe two (6), the opposite draw-in groove (12) and is drawn down the corresponding compression bar (12) of elastic component, one end (12), the other end of the extraction pipe (7) penetrates through the plunger block II (5), the plunger block I (2) is inserted with a grouting pipe (8), and the other end of the grouting pipe (8) extends into the bag (1).

2. The grouting hole packer according to claim 1, wherein: the elastic component includes spring (15) and arc piece (16), be fixed with a plurality of springs (15) on the inner wall of arc groove (14), the other end and the arc piece (16) fixed connection of spring (15), arc piece (16) and arc groove (14) sliding connection, depression bar (11) and arc piece (16) correspond.

3. The grouting hole packer according to claim 2, wherein: two sliding grooves (17) are symmetrically formed in the outer surfaces of the first plunger block (2) and the second plunger block (5), and the clamping hook piece (12) is in sliding connection with the sliding grooves (17).

4. A grouting sealer according to claim 3, wherein: the outside center department of bag (1) has cup jointed and has been received beam tube (4), the external diameter of beam tube (4) is the same with the external diameter of sleeve pipe one (3) and sleeve pipe two (6), three spacing hole (18) have been seted up on beam tube (4), joint has elastic sealing element (19) in spacing hole (18), three through-hole has been seted up on bag (1), the position of through-hole corresponds with spacing hole (18).

5. The grouting packer according to claim 4, wherein: the two ends of the elastic sealing piece (19) are all in a truncated cone shape, the inner wall of the limiting hole (18) is attached to the outer wall of the elastic sealing piece (19), and two sliding grooves (17) are symmetrically formed in the outer wall of the converging tube (4).

6. The grouting hole packer according to claim 5, wherein: the grouting device is characterized in that a plug hole is formed in the first plunger block (2), the grouting pipe (8) is connected with the plug hole in a sliding mode, a sealing ring is fixed on the inner wall of the plug hole, and the grouting pipe (8) is attached to the sealing ring.