CN213838674U - Hole device in pit of shutoff for drilling - Google Patents
Hole device in pit of shutoff for drilling Download PDFInfo
- Publication number
- CN213838674U CN213838674U CN202022688111.XU CN202022688111U CN213838674U CN 213838674 U CN213838674 U CN 213838674U CN 202022688111 U CN202022688111 U CN 202022688111U CN 213838674 U CN213838674 U CN 213838674U
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- conveying pipe
- feeder
- protector
- storage bag
- lower feeder
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- 238000005553 drilling Methods 0.000 title claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 75
- 230000001012 protector Effects 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims 3
- 239000000701 coagulant Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 11
- 238000009792 diffusion process Methods 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000004513 sizing Methods 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011268 mixed slurry Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to a device for blocking underground cavity for drilling, which comprises a slurry storage bag, an end protector and one or two material conveying pipes for conveying material liquid, wherein the end protector is vertically arranged, the upper part of the end protector is connected with a concentric reducer through screw threads, the interior of the end protector is hollow, and the upper end and the lower end of the end protector are both open; each conveying pipe is vertically arranged, the upper end and the lower end of each conveying pipe are open, the lower end of each conveying pipe extends into the end protector, and the upper end of each conveying pipe vertically extends upwards to reach the slurry station; the bag opening of the pulp storage bag extends into the end protector from the lower end of the end protector, is detachably sleeved outside the lower end of the conveying pipe and is communicated with the conveying pipe. The beneficial effects of the utility model are that can pass when construction operations such as cavity, shutoff tunnel in the pit at the probing, at the quick shaping bulky solid in space in the pit, reduce the thick liquid diffusion, reduce material consumption and construction cycle to reduce construction cost, improve the efficiency of construction.
Description
Technical Field
The utility model relates to a coal technique, energy probing field, concretely relates to hole is with shutoff cavity device in pit.
Background
Coal, one of the longest resources utilized in China, has been mined for hundreds of years, and a large number of underground cavities are formed in the mining process of mines, and the underground cavities have great influence on later-stage deep exploration, mine water prevention and control and ground planning and reconstruction. In order to solve the problems of long tunnel plugging time, long slurry diffusion and high project cost in later exploration or mine control of the old empty water, the method is designed to be used in drilling, and a certain area space around the drilling is formed for recasting by controlling slurry diffusion and adopting a rapid solidification forming technology, so that the purposes of controlling slurry diffusion and reducing project cost are achieved, and the method has great popularization and application values.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a hole is with shutoff hole device in pit is provided, aim at solving above-mentioned technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a device for blocking an underground cavity for drilling comprises a slurry storage bag, an end protector and one or two feed conveying pipes for conveying feed liquid, wherein the end protector is vertically arranged, is hollow and is provided with openings at the upper end and the lower end; each conveying pipe is vertically arranged, the upper end and the lower end of each conveying pipe are open, the lower end of each conveying pipe extends into the end socket protector, and the upper end of each conveying pipe vertically extends upwards to form the end socket protector; the bag opening of the pulp storage bag extends into the end protector from the lower end of the end protector, and is detachably sleeved outside the lower end of the conveying pipe and communicated with the conveying pipe.
The utility model has the advantages that: during the shutoff, in sending thick liquids and accelerator to the storage thick liquids bag through the conveying pipeline, fuse in the storage thick liquids bag through thick liquids and accelerator to solidify fast and form the consolidation body, the mode that rethread technical personnel can think of in the field makes storage thick liquids bag and conveying pipeline separation, thereby makes storage thick liquids bag shutoff hole, easy and simple to handle, shutoff efficiency improves greatly. The utility model discloses can be when construction operations such as probing, shutoff tunnel, at the big bulky solid of space rapid prototyping in the pit, reduce the thick liquid diffusion, reduce material consumption and construction cycle to reduce construction cost, improve the efficiency of construction.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the device also comprises a feeder for feeding the pulp storage bags, and the number of the feed delivery pipes is one; the lower end of the lower feeder is open, the lower feeder is fixedly sleeved outside the material conveying pipe, the material conveying pipe is close to the inner wall of the lower feeder, the upper end of the material conveying pipe vertically extends upwards to form the upper end of the lower feeder, the lower end of the material conveying pipe vertically extends downwards to form the lower end of the lower feeder, and the end protector is fixedly sleeved outside the lower end of the lower feeder; the opening of the pulp storage bag is tied outside the lower end of the lower feeder through the bandage.
The beneficial effects of adopting above-mentioned further scheme are that during the use, tie up the sack of storing the thick liquid bag outside the ware of giving down to with storing the thick liquid bag and fill in the ware of giving down from the lower extreme of giving the ware, then send storing the thick liquid bag to the cavity in through giving down the ware, utilize the pressure that produces during the slip casting to open storing the thick liquid bag at last, and send the accelerator after will mixing and thick liquids to storing the thick liquid bag in through the conveying pipeline, convenient to use.
It should be noted that, because the above scheme accelerator and slurry are delivered to the slurry storage bag through a delivery pipe, the scheme is mainly applicable to the condition that the accelerator and slurry are mixed and then are solidified slowly.
The slurry storage bag is characterized by further comprising a discharging device for discharging the slurry storage bag, wherein the number of the material conveying pipes is two, and the material conveying pipes are respectively an accelerator conveying pipe and a slurry conveying pipe; the lower end of the lower feeder is open, the lower feeder is fixedly sleeved outside the accelerator conveying pipe, the accelerator conveying pipe is close to the inner wall of the lower feeder, the upper end of the accelerator conveying pipe vertically extends upwards to form the upper end of the lower feeder, and the lower end of the accelerator conveying pipe vertically extends downwards to form the lower end of the lower feeder; the slurry conveying pipe is positioned outside the lower feeder, the lower end of the slurry conveying pipe is communicated with the upper end of the lower feeder, and the end protector is fixedly sleeved outside the lower end of the lower feeder and the lower end of the accelerator conveying pipe; the opening of the pulp storage bag is bound outside the lower ends of the feeder and the accelerator delivery pipe through the bandage.
The beneficial effects of adopting above-mentioned further scheme are that during the use, tie up the sack of storing the thick liquid bag outside the ware of giving down to with storing the thick liquid bag from the lower extreme of giving the ware of giving down fill in the ware of giving down, then send storing the thick liquid bag to the cavity through giving the ware down, utilize the pressure that produces during the slip casting to open storing the thick liquid bag at last, and send accelerating agent and thick liquids to storing the thick liquid bag and mix in through two conveying pipeline respectively, convenient to use.
It should be noted that, because the above scheme the accelerator and the slurry are delivered to the slurry storage bag through two delivery pipes, the scheme is mainly applicable to the situation that the accelerator and the slurry are mixed and then are solidified quickly.
Further, at least one blade for cutting off the bandage is fixedly arranged outside the lower end of the lower feeder, the blade is positioned below the bandage, and the blade edge faces upwards and is attached to the bandage.
The beneficial effects of adopting above-mentioned further scheme are that when the volume of thick liquids reaches and seals the cavity completely in the pulp storage bag, lift the ware down, the pulp storage bag can not follow the ware down and move up under the effect of self gravity, cuts off the bandage of pulp storage bag sack through the blade this moment for pulp storage bag and ware autosegregation down need not unnecessary operation, and it is very simple and convenient to operate.
Further, the number of the blades is multiple, and the blades are evenly distributed outside the lower end of the lower feeder at intervals.
The beneficial effect who adopts above-mentioned further scheme is guaranteed that the bandage can be cut off smoothly.
Furthermore, each blade is a triangular blade, one of the right-angle sides of the triangular blade is fixedly connected with the lower feeder, and the blade edge of the triangular blade is positioned on the oblique side.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design, can be fine cut off the bandage of pulp storage bag sack for pulp storage bag and lower sender autosegregation.
Further, the lower feeder is a barrel body in a barrel-shaped structure.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, with the appearance phase-match of conveying pipeline, be convenient for with better cooperation of end protector and storage bag.
Furthermore, the end protector is formed by splicing an upper part and a lower part, the lower part is sleeved outside the lower ends of the feeder and the conveying pipe, the upper end of the lower part is detachably connected with the lower end of the upper part through a screw thread, and the upper end of the upper part is fixedly connected with the feeder.
The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design is convenient for tie up the sack of storing up the pulp bag on the ware that delivers down, and is easy and simple to handle, can avoid storing up the pulp bag simultaneously and break.
Further, the end protector is a barrel body in a barrel-shaped structure.
The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design, protection pulp storage bag that can be better.
Furthermore, the end protector is of a structure with a thin upper end and a thick lower end.
The beneficial effects of adopting the above-mentioned further scheme are that simple structure, reasonable in design, can be better with the lower ware fixed connection.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of I-I' of FIG. 1;
fig. 3 is an enlarged view of a in fig. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a pulp storage bag 2, an end protector 3, a bandage 4, a feeder 5, an accelerator conveying pipe 6, a pulp conveying pipe 7 and a blade.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings and the embodiments, which are provided for illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the utility model provides a device for plugging a hole in a well for drilling, which comprises a slurry storage bag 1, an end protector 2 and one or two feed pipes for conveying feed liquid, wherein the end protector 2 is vertically arranged, is hollow and has an upper end and a lower end both open; each material conveying pipe is vertically arranged, the upper end and the lower end of each material conveying pipe are both open, the lower end of each material conveying pipe extends into the end protector 2, and the upper end of each material conveying pipe vertically extends upwards to form the end protector 2 until reaching a slurry station; the bag mouth of the pulp storage bag 1 extends into the end protector 2 from the lower end of the end protector 2, is detachably sleeved outside the lower end of the conveying pipe and is communicated with the conveying pipe. During the shutoff, send thick liquids and accelerator to storing up in the thick liquid bag 1 through the conveying pipeline, fuse in storing up thick liquid bag 1 through thick liquids and accelerator to solidify fast and form the consolidation body, make storing up thick liquid bag 1 and conveying pipeline separation through the mode that technical staff in the field can think, thereby make storing up thick liquid bag 1 and plug up the hole, easy and simple to handle, the shutoff efficiency improves greatly. The utility model discloses can be when construction operations such as probing, shutoff tunnel, at the big bulky solid of space rapid prototyping in the pit, reduce the thick liquid diffusion, reduce material consumption and construction cycle to reduce construction cost, improve the efficiency of construction.
The bandage 3 and the pulp storage bag 1 are integrally formed, and the structure is simple.
Example 1
On the basis of the structure, the embodiment also comprises a lower feeder 4 for feeding the pulp storage bag 1, and the number of the feed delivery pipes is one; the lower end of the lower feeder 4 is open, the lower feeder is fixedly sleeved outside a material conveying pipe, the material conveying pipe is attached to the inner wall of the lower feeder 4 usually in a welding mode or is communicated through a reducer union, the upper end of the material conveying pipe vertically extends upwards to form the upper end of the lower feeder 4, the lower end of the material conveying pipe vertically extends downwards to form the lower end of the lower feeder 4, and the end protector 2 is fixedly sleeved outside the lower end of the lower feeder 4; the mouth of the pulp storage bag 1 is tied outside the lower end of the lower feeder 4 by a bandage 3. When the grouting device is used, firstly, the opening of the pulp storage bag 1 is bound outside the lower feeder 4, the pulp storage bag 1 is plugged into the lower feeder 4 from the lower end of the lower feeder 4, then the pulp storage bag 1 is conveyed into the cavity through the lower feeder 4, finally, the pulp storage bag 1 is opened by utilizing the pressure generated during grouting, and the mixed accelerator and the mixed pulp are conveyed into the pulp storage bag 1 through the conveying pipe, so that the grouting device is convenient to use.
The upper end of the lower feeder 4 can be opened, and the material conveying pipe can be welded with the upper end of the lower feeder 4 through a bracket; the upper end of the lower feeder 4 can also be closed, and at the moment, the upper end of the lower feeder is provided with a through hole for a feeding pipe to pass through, and the feeding pipe can be communicated with the upper end of the lower feeder 4 through a reducing joint.
It should be noted that, because the above-mentioned scheme accelerator and thick liquids are delivered to the storage bag 1 through a delivery pipe, this scheme is mainly suitable for the condition that the solidification is slow after accelerator and thick liquids are mixed, when the solidification is fast after accelerator and thick liquids are mixed, this scheme can not be used, if the thick liquids will be solidified in the delivery pipe, can't reach the storage bag 1.
Example 2
On the basis of the structure, the slurry storage bag conveying device further comprises a lower feeder 4 for feeding the slurry storage bag 1, wherein the number of the conveying pipes is two, and the conveying pipes are respectively an accelerator conveying pipe 5 and a slurry conveying pipe 6; the lower end of the lower feeder 4 is open, the lower feeder is fixedly sleeved outside the accelerator conveying pipe 5, the accelerator conveying pipe 5 is close to the inner wall of the lower feeder 4, the upper end of the accelerator conveying pipe vertically extends upwards to form the upper end of the lower feeder 4, and the lower end of the accelerator conveying pipe vertically extends downwards to form the lower end of the lower feeder 4; the slurry conveying pipe 6 is positioned outside the lower feeder 4, the lower end of the slurry conveying pipe is communicated with the upper end of the lower feeder 4, the end protector 2 is fixedly sleeved outside the lower end of the lower feeder 4 and the lower end of the accelerator conveying pipe 5, a welding mode is usually adopted, and the opening of the slurry storage bag 1 is tied outside the lower ends of the lower feeder 4 and the accelerator conveying pipe 5 through a bandage 3. When the grouting device is used, firstly, the opening of the pulp storage bag 1 is bound outside the lower feeder 4, the pulp storage bag 1 is plugged into the lower feeder 4 from the lower end of the lower feeder 4, then the pulp storage bag 1 is conveyed into the cavity through the lower feeder 4, finally, the pulp storage bag 1 is opened by utilizing the pressure generated during grouting, and the accelerator and the pulp are respectively conveyed into the pulp storage bag 1 through the two material conveying pipes to be mixed, so that the grouting device is convenient to use.
Since the slurry storage bag 1 is firstly required to be plugged into the lower feeder 4 in use, the accelerator conveying pipe 5 needs to be close to the inner wall of the lower feeder 4, and the plugging of the slurry storage bag 1 is prevented from being influenced.
The upper end of the lower feeder 4 can be opened, and the material conveying pipe can be welded with the upper end of the lower feeder 4 through a bracket; the upper end of the lower feeder 4 can also be closed, in which case its upper end is provided with a through hole for the feed pipe to pass through.
In addition, when the number of the material conveying pipes is one, the lower ends of the material conveying pipes can be directly communicated with the lower feeder 4, for example, the slurry conveying pipe 6 is connected with the lower feeder 4, but the accelerator conveying pipe 5 is not arranged; the lower end of the feed delivery pipe may also extend into the feeder 4 and out of the feeder 4, for example in the relationship of the accelerator delivery pipe 5 to the feeder 4, but without the slurry delivery pipe 6; the specific mode of adoption needs to be designed according to the requirements.
It should be noted that, because the above-mentioned scheme accelerator and thick liquids are sent to storing the thick liquids bag 1 through a conveying pipeline, so this scheme is mainly applicable to the condition that the solidification is slower after accelerator and thick liquids are mixed.
In addition, the upper ends of the accelerator conveying pipe 5 and the slurry conveying pipe 6 extend to communicate with respective devices of the slurry station, respectively.
The first embodiment and the second embodiment are parallel schemes and are applied to different scenes.
In addition to the above-described embodiments, the mouth of the pulp storage bag 1 may also be taped out of the lower end of the lower dispenser 4.
During the use, can add the accelerating agent and thick liquids through the conveying pipeline through artificial mode in storing up thick liquid bag 1, also can be through mechanical mode, for example the upper end of every conveying pipeline is through pipeline and the storage equipment intercommunication that corresponds, all installs the delivery pump on every pipeline.
Example 3
On the basis of the first embodiment or the second embodiment, in the embodiment, at least one blade 7 for cutting off the bandage 3 is fixedly arranged outside the lower end of the lower feeder 4, the blade 7 is positioned below the bandage 3, and the edge of the blade is upward and is attached to the bandage 3; each blade 7 is welded directly to the lower feeder 4. When the amount of the sizing agent in the sizing agent storage bag 1 reaches the state of completely sealing the cavity, the lower feeder 4 is lifted up, the sizing agent storage bag 1 cannot move up along with the lower feeder 4 under the action of self gravity, and at the moment, the bandage 3 at the opening of the sizing agent storage bag 1 is cut off by the blade 7, so that the sizing agent storage bag 1 is automatically separated from the lower feeder 4, redundant operation is not needed, and the operation is very simple and convenient.
It should be noted that the slurry and the setting accelerator are solidified in a certain time after being added into the slurry storage bag 1, the bandage 3 is cut off by the blade 7 after solidification, and then the slurry storage bag 1 provided with the mixing paddle is used for sealing the cavity.
Example 4
On the basis of the third embodiment, preferably, in the present embodiment, the number of the blades 7 is multiple, and the multiple blades 7 are uniformly distributed outside the lower end of the lower dispenser 4 at intervals, so as to ensure that the bandage 3 can be cut off smoothly.
Example 5
On the basis of the third embodiment, preferably, in the present embodiment, each blade 7 is a triangular blade, one of the right-angle sides of the triangular blade is fixedly connected with the lower feeder 4, and the blade edge of the triangular blade is located on the oblique side, so that the structure is simple, the design is reasonable, and the bandage 3 at the opening of the pulp storage bag 1 can be cut off well, so that the pulp storage bag 1 is automatically separated from the lower feeder 4.
Example 6
On the basis of the first embodiment or the second embodiment, the lower feeder 4 is a cylindrical barrel, and is used as a conveying pipe after slurry is pushed out of the slurry storage bag 1, so that the structure is simple, the lower feeder is matched with the appearance of the conveying pipe, and the lower feeder is conveniently matched with the end protector 2 and the slurry storage bag 1.
Example 7
On the basis of the structure, in the embodiment, the end protector 2 is formed by splicing the upper part and the lower part, the upper end of the upper part is fixedly connected (welded) with the lower feeder 4, the lower part is sleeved outside the lower ends of the lower feeder 4 and the conveying pipe, the upper end of the upper part is detachably connected with the lower end of the upper part through a screw thread and is generally connected through the screw thread, the upper end of the upper part is fixedly connected with the lower feeder 4, and a welding mode is generally adopted, so that the structure is simple, the design is reasonable, the bag opening of the pulp storage bag 1 is conveniently tied on the lower feeder 4, the operation is simple and convenient, and meanwhile, the pulp storage bag 1 can be prevented from being broken.
Preferably, the upper part of the end protector 2 is concentric and big, so as to be welded with the lower feeder 4.
Example 8
On the basis of above-mentioned structure, in this embodiment, end protector 2 is for being the barrel of tubular structure, simple structure, and reasonable in design, protection pulp storage bag 1 that can be better.
In addition to the above shapes, the tip protector 2 may also be configured in other suitable shapes, but occupies a relatively large space and is relatively expensive.
Preferably, in this embodiment, the end protector 2 has a structure with a thin upper end and a thick lower end, and has a simple structure and a reasonable design, and can be better fixedly connected with the lower feeder 4.
The working principle of the utility model is as follows:
when the end protector is disassembled, the lower part of the end protector 2 is disassembled, then the pulp storage bag 1 is manually tied on the lower end of the lower feeder 4 and is plugged into the lower feeder 4, and finally the lower part and the upper part of the end protector 2 are connected together;
the filled pulp storage bag 1 is manually placed in a hole in the well, then mixed pulp is added into the pulp storage bag 1 in the mode, after the mixed pulp is solidified, the pulp storage bag is manually lifted up to be delivered by the delivery device 4, the bandage 3 at the opening of the pulp storage bag 1 is automatically broken under the action of the blade 7, and the hole in the well is sealed by the pulp storage bag 1.
Compare with traditional cavity shutoff technique in the pit, the beneficial effects of the utility model are that: in the traditional technology, the mixed slurry is directly injected into the cavity, the consumption of the mixed slurry is large, the solidification time is long, and the plugging efficiency is low; and this application has saved mixed thick liquids, and the speed that mixed thick liquids solidifies is very fast, and shutoff efficiency improves greatly.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a drilling is with shutoff hole device in pit which characterized in that: the slurry storage bag comprises a slurry storage bag (1), an end protector (2) and one or two feed conveying pipes for conveying feed liquid, wherein the end protector (2) is vertically arranged, is hollow and is provided with openings at the upper end and the lower end; each material conveying pipe is vertically arranged, the upper end and the lower end of each material conveying pipe are open, the lower end of each material conveying pipe extends into the end protector (2), and the upper end of each material conveying pipe vertically extends upwards to form the end protector (2); the bag mouth of the pulp storage bag (1) extends into the end protector (2) from the lower end of the end protector (2), and is detachably sleeved outside the lower end of the conveying pipe and communicated with the conveying pipe.
2. A device for plugging a downhole cavity according to claim 1, wherein: the device also comprises a feeder (4) for feeding the pulp storage bag (1), and the number of the feed delivery pipes is one; the lower end of the lower feeder (4) is open, the lower feeder is fixedly sleeved outside the material conveying pipe, the material conveying pipe is close to the inner wall of the lower feeder (4), the upper end of the material conveying pipe vertically extends upwards to the upper end of the lower feeder (4), the lower end of the material conveying pipe vertically extends downwards to the lower end of the lower feeder (4), and the end protector (2) is fixedly sleeved outside the lower end of the lower feeder (4); the opening of the pulp storage bag (1) is tied outside the lower end of the lower feeder (4) through a bandage (3).
3. A device for plugging a downhole cavity according to claim 1, wherein: the mortar storage bag is characterized by also comprising a discharging device (4) used for discharging the mortar storage bag (1), wherein the number of the conveying pipes is two, and the conveying pipes are respectively a coagulant conveying pipe (5) and a mortar conveying pipe (6); the lower end of the lower feeder (4) is open, the lower feeder is fixedly sleeved outside the accelerator conveying pipe (5), the accelerator conveying pipe (5) is close to the inner wall of the lower feeder (4), the upper end of the accelerator conveying pipe vertically extends upwards out of the upper end of the lower feeder (4), and the lower end of the accelerator conveying pipe vertically extends downwards out of the lower end of the lower feeder (4); the slurry conveying pipe (6) is positioned outside the lower feeder (4), the lower end of the slurry conveying pipe is communicated with the upper end of the lower feeder (4), and the end protector (2) is fixedly sleeved outside the lower end of the lower feeder (4) and the lower end of the accelerator conveying pipe (5); the opening of the pulp storage bag (1) is tied outside the lower ends of the dropping device (4) and the accelerator conveying pipe (5) through a bandage (3).
4. A device for plugging a downhole cavity according to claim 2 or 3, wherein: at least one blade (7) for cutting off the bandage (3) is fixedly arranged outside the lower end of the lower feeder (4), the blade (7) is positioned below the bandage (3), and the blade edge of the blade faces upwards and is attached to the bandage (3).
5. A device for plugging a downhole cavity according to claim 4, wherein: the number of the blades (7) is multiple, and the blades (7) are uniformly distributed outside the lower end of the lower feeder (4) at intervals.
6. A device for plugging a downhole cavity according to claim 4, wherein: each blade (7) is a triangular blade, one of right-angle sides of the triangular blade is fixedly connected with the lower feeder (4), and a blade edge of the triangular blade is positioned on an oblique side.
7. A device for plugging a downhole cavity according to claim 2 or 3, wherein: the lower feeder (4) is a barrel body in a barrel-shaped structure.
8. A device for plugging a downhole cavity according to any of claims 2 or 3, wherein: the end protector (2) is formed by splicing an upper part and a lower part, the lower part is sleeved outside the lower feeder (4) and the lower end of the conveying pipe, the upper end of the lower part is detachably connected with the lower end of the upper part through a screw thread, and the upper end of the upper part is fixedly connected with the lower feeder (4).
9. A device for plugging a downhole cavity according to any of claims 1-3, wherein: the end protector (2) is a cylinder body in a cylindrical structure.
10. A device for plugging a downhole cavity according to claim 9, wherein: the end protector (2) is of a structure with a thin upper end and a thick lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022688111.XU CN213838674U (en) | 2020-11-19 | 2020-11-19 | Hole device in pit of shutoff for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022688111.XU CN213838674U (en) | 2020-11-19 | 2020-11-19 | Hole device in pit of shutoff for drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213838674U true CN213838674U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022688111.XU Expired - Fee Related CN213838674U (en) | 2020-11-19 | 2020-11-19 | Hole device in pit of shutoff for drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213838674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282839A (en) * | 2020-11-19 | 2021-01-29 | 中国煤炭地质总局水文地质局 | Hole device in pit of shutoff for drilling |
-
2020
- 2020-11-19 CN CN202022688111.XU patent/CN213838674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282839A (en) * | 2020-11-19 | 2021-01-29 | 中国煤炭地质总局水文地质局 | Hole device in pit of shutoff for drilling |
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Granted publication date: 20210730 |