CN112696171A - Underground excavation tunnel deep hole slip casting water plugging device - Google Patents
Underground excavation tunnel deep hole slip casting water plugging device Download PDFInfo
- Publication number
- CN112696171A CN112696171A CN202011606192.2A CN202011606192A CN112696171A CN 112696171 A CN112696171 A CN 112696171A CN 202011606192 A CN202011606192 A CN 202011606192A CN 112696171 A CN112696171 A CN 112696171A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- device main
- main body
- deep hole
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000007569 slipcasting Methods 0.000 title claims abstract description 11
- 238000009412 basement excavation Methods 0.000 title claims description 4
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract 8
- 239000002002 slurry Substances 0.000 claims description 49
- 238000010521 absorption reaction Methods 0.000 claims description 22
- 229920000742 Cotton Polymers 0.000 claims description 16
- 239000011440 grout Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 9
- 229920001821 foam rubber Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
- F04B53/003—Noise damping by damping supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a deep hole grouting water plugging device for an underground excavated tunnel, which comprises a device main body, wherein one side of the device main body is fixedly connected with a heat dissipation box, one side of the heat dissipation box is provided with a ventilation net, the outer side of the device main body is provided with an observation window, the outer side of the device main body is provided with a high-pressure grouting pump, the bottom end of the high-pressure grouting pump is fixedly connected with a support column, the bottom end of the support column is fixedly connected with a bottom plate, four corners of the bottom plate are fixedly connected with universal wheels, the device main body and the heat dissipation box are fixedly connected to the top end of the bottom plate, and the top end; through setting up into thick liquid pipe, first connecting pipe, suction pump, storage thick liquid case, can keep in the mud suction that needs carry out the slip casting to storing up the thick liquid case, through the second connecting pipe and the high-pressure grouting pump that set up, can take the mud in the storage thick liquid case out, inserts the thick pipe from a thick pipe end for the water shutoff work of the slip casting of deep hole.
Description
Technical Field
The invention relates to the technical field of grouting and water plugging, in particular to a deep hole grouting and water plugging device for an underground excavated tunnel.
Background
When underground and tunnel construction is carried out, a grouting mode is generally adopted to block water outlet points, namely, a high-pressure grouting pump is utilized to uniformly inject settable slurry into a filling stratum at a certain pressure, the slurry fills the position of the filling stratum after driving away moisture and air among soil particles in a filling, penetrating and compacting mode and the like, and after a certain time, the slurry glues soil particles far away from the loosening mode into a whole, so that the soil foundation is reinforced.
At present, in the equipment of carrying out the slip casting stifled water, after long-time slip casting work of carrying out, the device can continuously heat up, the situation that finally can have the shut down of machine appears, the progress of very big influence engineering, and in long-time work, need the workman to look after on the edge, because the huge noise that the device sent can seriously influence worker's sense of hearing, it is uncomfortable that the time length still can cause the human body, finally lead to slip casting efficiency and slip casting quality to reduce, for this reason, we provide a dark excavation tunnel deep hole slip casting stifled water installation.
Disclosure of Invention
The invention aims to solve the problems that the temperature is too high due to long-time work of the device and the machine is stopped in the prior art, and provides the underground tunnel deep hole grouting and water plugging device which has the effect of reducing the temperature of the device.
In order to achieve the purpose, the invention provides the following technical scheme: a deep hole grouting water plugging device for a subsurface tunnel comprises a device main body, wherein a heat dissipation box is fixedly connected to one side of the device main body, a breathable net is arranged on one side of the heat dissipation box, an observation window is arranged on the outer side of the device main body, a high-pressure grouting pump is arranged on the outer side of the device main body, a support column is fixedly connected to the bottom end of the high-pressure grouting pump, a bottom plate is fixedly connected to the bottom end of the support column, universal wheels are fixedly connected to four corners of the bottom plate, the device main body and the heat dissipation box are fixedly connected to the top end of the bottom plate, a grout outlet pipe is arranged at the top end of the high-pressure grouting pump, a grout storage box is fixedly connected to the bottom end inside the device main body, a shock-proof pad is fixedly connected to the top end of the grout storage box, a grout sucking pump is, the opposite side of inhale the stuff pump and the one end fixed connection of first connecting pipe, the other end fixed connection of first connecting pipe is on the top of mud storage tank, mud storage tank one side fixedly connected with second connecting pipe, one side fixed connection of second connecting pipe and high-pressure grouting pump.
Preferably, the inside of heat dissipation case is provided with inhales sound cotton, abatvoix and air exhauster, the inboard of ventilative net is provided with inhales the sound cotton, the opposite side of inhaling the sound cotton is provided with the abatvoix, the opposite side of abatvoix is provided with the air exhauster.
Preferably, the device main body is provided with vacuum grooves at both the top end and the bottom end of the interior thereof.
Preferably, the sound-absorbing plate is internally provided with a metal plate, and the inner side of the metal plate is provided with a plurality of special-shaped holes.
Preferably, the grout outlet pipe is fixedly connected to the top end of the high-pressure grouting pump through a fixing screw, and a grout outlet is formed in the top end of the grout outlet pipe.
Preferably, the following components: the shockproof pad is made of a high-strength spongy cushion.
Compared with the prior art, the invention provides a deep hole grouting water plugging device for an underground excavated tunnel, which has the following beneficial effects:
1. the slurry storage tank is provided with the slurry inlet pipe, the first connecting pipe, the slurry suction pump and the slurry storage tank, so that slurry to be injected can be pumped into the slurry storage tank for temporary storage, the slurry in the slurry storage tank can be pumped out through the second connecting pipe and the high-pressure slurry injection pump, and a thick pipe is connected to the end of the slurry outlet pipe for the water plugging work of the deep hole during grouting;
2. according to the invention, the sound absorption cotton, the sound absorption plate and the vacuum groove are arranged, the sound absorption plate is made of metal materials, and a plurality of special-shaped holes are arranged in the sound absorption plate, so that good noise reduction and reduction effects are achieved;
3. according to the invention, through the arrangement of the exhaust fan, the heat in the device can be quickly dissipated, the temperature in the device is reduced, the internal device can better operate, the machine halt caused by overheating of the device is avoided, the vibration caused by a slurry suction pump can be reduced through the arrangement of the shockproof pad, the overall vibration of the device is reduced, and the stability of the device is enhanced;
the device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.
Drawings
FIG. 1 is a schematic structural diagram of a main body of a deep hole grouting water plugging device for an underground excavated tunnel according to the present invention;
FIG. 2 is a schematic structural view of a deep hole grouting water plugging device for an underground excavated tunnel according to the present invention;
FIG. 3 is a schematic cross-sectional structural view of a deep hole grouting water plugging device for an underground excavated tunnel according to the present invention;
FIG. 4 is a schematic structural diagram of an acoustic board in the deep-hole grouting water plugging device for an underground excavated tunnel according to the present invention;
fig. 5 is a schematic top view of a slurry outlet pipe in the deep-hole grouting and water plugging device for the underground excavated tunnel according to the present invention.
Description of the reference numerals
The device comprises a device main body 1, an observation window 2, a support column 3, a high-pressure grouting pump 4, a bottom plate 5, universal wheels 6, a breathable net 7, a heat dissipation box 8, a slurry outlet pipe 9, a slurry inlet pipe 10, sound absorption cotton 11, a sound absorption plate 12, an exhaust fan 13, a first connecting pipe 14, a vacuum groove 15, a slurry absorption pump 16, a vibration-proof pad 17, a slurry storage box 18, a second connecting pipe 19, a metal plate 20, a special-shaped hole 21, a slurry outlet 22 and a fixing screw 23.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: a deep hole grouting water plugging device for a subsurface tunnel comprises a device main body 1, wherein a heat dissipation box 8 is fixedly connected to one side of the device main body 1, a breathable net 7 is arranged on one side of the heat dissipation box 8, an observation window 2 is arranged on the outer side of the device main body 1, a high-pressure grouting pump 4 is arranged on the outer side of the device main body 1, a support column 3 is fixedly connected to the bottom end of the high-pressure grouting pump 4, a bottom plate 5 is fixedly connected to the bottom end of the support column 3, universal wheels 6 are fixedly connected to four corners of the bottom plate 5, the device main body 1 and the heat dissipation box 8 are fixedly connected to the top end of the bottom plate 5, a slurry outlet pipe 9 is arranged at the top end of the high-pressure grouting pump 4, a slurry storage box 18 is fixedly connected to the bottom end inside the device main body 1, a vibration-proof pad 17 is fixedly connected to the top end of the slurry storage, the other side of the slurry suction pump 16 is fixedly connected with one end of the first connecting pipe 14, the other end of the first connecting pipe 14 is fixedly connected to the top end of the slurry storage box 18, one side of the slurry storage box 18 is fixedly connected with the second connecting pipe 19, the second connecting pipe 19 is fixedly connected with one side of the high-pressure slurry injection pump 4, the slurry storage box 18 can be pumped into the slurry storage box 18 for temporary storage through the slurry inlet pipe 10, the first connecting pipe 14, the slurry suction pump 16 and the slurry storage box 18, slurry needing to be injected can be pumped into the slurry storage box 18 for temporary storage, the slurry in the slurry storage box 18 can be pumped out through the second connecting pipe 19 and the high-pressure slurry injection pump 4, a thick pipe is connected into the slurry outlet pipe 9 end, and the slurry injection.
In the invention, preferably, the sound absorption cotton 11, the sound absorption plate 12 and the exhaust fan 13 are arranged inside the heat dissipation box 8, the sound absorption cotton 11 is arranged inside the breathable net 7, the sound absorption plate 12 is arranged on the other side of the sound absorption cotton 11, the exhaust fan 13 is arranged on the other side of the sound absorption plate 12, the sound absorption cotton 11, the sound absorption plate 12 and the exhaust fan 13 are arranged inside the heat dissipation box 8, the sound absorption cotton 11 can achieve good noise reduction and noise reduction effects, the sound absorption cotton 11 has the characteristics of high sound absorption rate and good sound insulation performance, and the sound absorption cotton 11 can achieve the purpose of avoiding external dust and moisture from entering while reducing noise.
In the present invention, it is preferable that the vacuum grooves 15 are formed at both the top end and the bottom end of the inside of the apparatus body 1, and the vacuum grooves 15 are formed at both the top end and the bottom end of the inside of the apparatus body 1, so that sound cannot be transmitted in vacuum, and the provision of the vacuum grooves 15 can greatly reduce noise, and the sound insulation effect of the entire apparatus is good, and noise becomes smaller.
In the present invention, it is preferable that the sound-absorbing panel 12 is provided with a metal plate 20, the inner side of the metal plate 20 is provided with a plurality of shaped holes 21, and the sound-absorbing panel 12 is provided with the metal plate 20 and the inner side of the metal plate 20 is provided with a plurality of shaped holes 21, so that a good sound-absorbing effect can be achieved.
In the present invention, preferably, the slurry outlet pipe 9 is fixedly connected to the top end of the high-pressure grouting pump 4 by a fixing screw 23, and the top end of the slurry outlet pipe 9 is provided with a slurry outlet 22.
In the invention, preferably, the shockproof pad 17 is made of a high-strength sponge pad, and the shockproof pad 17 is made of the high-strength sponge pad, so that the vibration caused by the slurry suction pump 16 can be effectively reduced, the overall vibration of the device can be reduced, and the stability of the device can be enhanced.
The working principle and the using process of the invention are as follows: when the device is used, a power supply is connected, a mud pipe is connected with a mud inlet pipe 10, a slurry suction pump 16 is opened to work, mud is sucked into a mud storage tank 18 to be temporarily stored, a mud outlet pipe 9 is connected with a grouting pipe, a high-pressure grouting pump 4 is opened to start working, the grouting pipe is aligned to a place needing grouting and water plugging, because the high-pressure grouting pump 4 is high-pressure equipment, high water pressure can be resisted, because of long-time working, a large amount of heat can be generated inside the device main body 1, an exhaust fan 13 is opened to work, the heat inside the device main body 1 is extracted from a ventilation net 7, the internal heat is reduced, machine halt caused by internal overheating is prevented, because the device can generate a large amount of noise, the noise can be reduced by the arranged sound absorption cotton 11 and the sound absorption plate 12, the health of workers is protected, the hearing is not influenced by the noise, after the grouting and water plugging work is carried out, the slurry suction pump 16 and the high-pressure, finally, the exhaust fan 13 is closed, and the mud pipe and the grouting pipe are taken down from the device.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (6)
1. The utility model provides an undercut tunnel deep hole slip casting water plugging device, includes device main part (1), its characterized in that: the device is characterized in that a heat dissipation box (8) is fixedly connected to one side of a device main body (1), a breathable net (7) is arranged on one side of the heat dissipation box (8), an observation window (2) is arranged on the outer side of the device main body (1), a high-pressure grouting pump (4) is arranged on the outer side of the device main body (1), a support column (3) is fixedly connected to the bottom end of the high-pressure grouting pump (4), a bottom plate (5) is fixedly connected to the bottom end of the support column (3), universal wheels (6) are fixedly connected to four corners of the bottom plate (5), the device main body (1) and the heat dissipation box (8) are fixedly connected to the top end of the bottom plate (5), a grout outlet pipe (9) is arranged at the top end of the high-pressure grouting pump (4), a grout storage box (18) is fixedly connected to the bottom end inside the device, the utility model discloses a slurry pump, including shock pad (17) top fixedly connected with slurry suction pump (16), slurry suction pump (16) one side fixedly connected with goes into thick liquid pipe (10), the opposite side of going into thick liquid pipe (10) sets up in the outside of device main part (1), the opposite side of slurry suction pump (16) and the one end fixed connection of first connecting pipe (14), the other end fixed connection of first connecting pipe (14) is in the top of storage thick liquid case (18), storage thick liquid case (18) one side fixedly connected with second connecting pipe (19), second connecting pipe (19) and one side fixed connection of high-pressure grouting pump (4).
2. The deep hole grouting water plugging device for the underground excavated tunnel according to claim 1, wherein sound-absorbing cotton (11), a sound-absorbing plate (12) and an exhaust fan (13) are arranged inside the heat dissipation box (8), the sound-absorbing cotton (11) is arranged inside the air-permeable net (7), the sound-absorbing plate (12) is arranged on the other side of the sound-absorbing cotton (11), and the exhaust fan (13) is arranged on the other side of the sound-absorbing plate (12).
3. The deep hole grouting water plugging device for the underground excavated tunnel according to claim 1, wherein a vacuum groove (15) is formed in each of the top end and the bottom end of the interior of the device body (1).
4. The deep hole grouting water plugging device for the underground excavated tunnel according to claim 2, wherein a metal plate (20) is arranged inside the sound absorption plate (12), and a plurality of special-shaped holes (21) are arranged inside the metal plate (20).
5. The deep hole grouting water plugging device for the underground excavated tunnel according to claim 1, wherein the grout outlet pipe (9) is fixedly connected to the top end of the high-pressure grouting pump (4) through a fixing screw (23), and the top end of the grout outlet pipe (9) is provided with a grout outlet (22).
6. The underground excavation tunnel deep hole slip casting water shutoff device of claim 1, characterized in that, the material of antivibration pad (17) is high strength foam-rubber cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606192.2A CN112696171B (en) | 2020-12-30 | 2020-12-30 | Underground excavation tunnel deep hole slip casting water plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011606192.2A CN112696171B (en) | 2020-12-30 | 2020-12-30 | Underground excavation tunnel deep hole slip casting water plugging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112696171A true CN112696171A (en) | 2021-04-23 |
| CN112696171B CN112696171B (en) | 2023-01-17 |
Family
ID=75512397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011606192.2A Active CN112696171B (en) | 2020-12-30 | 2020-12-30 | Underground excavation tunnel deep hole slip casting water plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112696171B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207609479U (en) * | 2017-12-08 | 2018-07-13 | 厦门彼奥动力科技有限公司 | A kind of diesel generating set heat dissipation silencing means |
| CN109138430A (en) * | 2018-09-12 | 2019-01-04 | 广东华坤建设集团有限公司 | A kind of adjustable support prefabricated panel installation grouting equipment based on BIM |
| CN208396726U (en) * | 2018-04-20 | 2019-01-18 | 中铁一局集团第四工程有限公司 | A kind of tunnel grouting water blockoff system |
| CN209621579U (en) * | 2019-03-07 | 2019-11-12 | 申青青 | A kind of oil pump sound insulation casing |
| CN210898912U (en) * | 2019-12-13 | 2020-06-30 | 淮安市利丰电气科技有限公司 | Energy-saving noise-reduction type variable frequency control cabinet for high-power motor |
| CN211447032U (en) * | 2019-09-09 | 2020-09-08 | 山西安能达科技有限公司 | Novel grouting material device |
| CN212202076U (en) * | 2020-06-02 | 2020-12-22 | 邓胜锋 | Shield tunnel grouting device behind wall |
| CN212225391U (en) * | 2020-06-02 | 2020-12-25 | 新乡市广源机械有限公司 | Silencer for paddy field machine |
-
2020
- 2020-12-30 CN CN202011606192.2A patent/CN112696171B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207609479U (en) * | 2017-12-08 | 2018-07-13 | 厦门彼奥动力科技有限公司 | A kind of diesel generating set heat dissipation silencing means |
| CN208396726U (en) * | 2018-04-20 | 2019-01-18 | 中铁一局集团第四工程有限公司 | A kind of tunnel grouting water blockoff system |
| CN109138430A (en) * | 2018-09-12 | 2019-01-04 | 广东华坤建设集团有限公司 | A kind of adjustable support prefabricated panel installation grouting equipment based on BIM |
| CN209621579U (en) * | 2019-03-07 | 2019-11-12 | 申青青 | A kind of oil pump sound insulation casing |
| CN211447032U (en) * | 2019-09-09 | 2020-09-08 | 山西安能达科技有限公司 | Novel grouting material device |
| CN210898912U (en) * | 2019-12-13 | 2020-06-30 | 淮安市利丰电气科技有限公司 | Energy-saving noise-reduction type variable frequency control cabinet for high-power motor |
| CN212202076U (en) * | 2020-06-02 | 2020-12-22 | 邓胜锋 | Shield tunnel grouting device behind wall |
| CN212225391U (en) * | 2020-06-02 | 2020-12-25 | 新乡市广源机械有限公司 | Silencer for paddy field machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112696171B (en) | 2023-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206769998U (en) | A kind of muffler of generating set | |
| CN109944461A (en) | A kind of skyscraper coupling beam horizontal hole plugging structure and its construction method | |
| CN112696171B (en) | Underground excavation tunnel deep hole slip casting water plugging device | |
| CN212454534U (en) | Anti-circulation drilling equipment for soft and collapse outburst coal seam | |
| CN206667323U (en) | A kind of channel dome cutting device of hydraulic engineering | |
| CN213298397U (en) | Sound-proof housing for large water pump | |
| CN213268059U (en) | Foundation leveling equipment for constructional engineering | |
| CN212667077U (en) | Heat dissipation and ventilation device for cab of excavator | |
| CN213775697U (en) | Vibration-damping noise-reducing environment-friendly Roots blower | |
| CN214221419U (en) | Electromechanical heat sink of colliery | |
| CN213451037U (en) | Filtering connection structure of high-efficiency fan | |
| CN212958448U (en) | Underground construction tunneling device with dust removing equipment | |
| CN212584032U (en) | Sanitary self-sucking pump | |
| CN212271142U (en) | Drainage pipe for hydraulic engineering | |
| CN114809961B (en) | Embedded drilling noise reduction and dust removal device beneficial to breaking coal rock wall and operation method | |
| CN111676988A (en) | Civil air defense engineering building backfilling device | |
| CN218597162U (en) | Foundation engineering grouting device | |
| CN214404070U (en) | Silencing device for blower for coal mine | |
| CN212715621U (en) | Brickwork is built by laying bricks or stones and is prevented special-shaped prefabricated section that ftractures | |
| CN206319438U (en) | A kind of special bracing means of shear wall | |
| CN213726971U (en) | Concrete crushing device | |
| CN210925472U (en) | Device of making an uproar falls in equipment for fully mechanized mining face emulsion pump station | |
| CN217029267U (en) | High-pressure pump device for water treatment equipment | |
| CN214533425U (en) | Vacuum pump with sound insulation and noise reduction functions | |
| CN212563103U (en) | Drilling machine is used in construction of ground bored pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |