CN110185280B - Resin injector for repairing and reinforcing civil construction - Google Patents
Resin injector for repairing and reinforcing civil construction Download PDFInfo
- Publication number
- CN110185280B CN110185280B CN201910411438.1A CN201910411438A CN110185280B CN 110185280 B CN110185280 B CN 110185280B CN 201910411438 A CN201910411438 A CN 201910411438A CN 110185280 B CN110185280 B CN 110185280B
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- Prior art keywords
- glue injection
- glue
- bin
- hose
- box body
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- 239000011347 resin Substances 0.000 title claims abstract description 38
- 229920005989 resin Polymers 0.000 title claims abstract description 38
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 title description 6
- 239000003292 glue Substances 0.000 claims abstract description 93
- 238000002347 injection Methods 0.000 claims abstract description 72
- 239000007924 injection Substances 0.000 claims abstract description 72
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 19
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a resin injector for repairing and reinforcing a civil building, which comprises a bottom plate and a box body fixedly arranged on the bottom plate, wherein the box body comprises a liquid storage bin and a tool bin, a lifting pump is arranged in the tool bin, a connecting pipe is fixedly inserted on the inner wall of the liquid storage bin, one end of the connecting pipe extends into the tool bin and is arranged at the suction end of the lifting pump, a hose is arranged at the output end of the lifting pump, the other end of the hose is communicated with a glue injection barrel, two fixed blocks are symmetrically arranged on the glue injection barrel, each fixed block is provided with a telescopic rod, and the tail end of each telescopic rod is commonly provided with a movable rod. According to the invention, the piston block is connected with the steel balls by using the spring, when the telescopic rod extends, negative pressure is formed in the glue injection barrel, resin glue in the hose is absorbed into the glue injection barrel, the telescopic rod contracts, and the resin glue is injected into cracks from the glue injection port, so that continuous glue injection is realized, and the working efficiency and the working quality are improved.
Description
Technical Field
The invention relates to the technical field of building equipment, in particular to a resin injector for repairing and reinforcing a civil building.
Background
In the building construction, after the wall surface is used for a long time, the wall surface is broken or cracked due to the material problem of the wall surface or the damage to the wall surface caused by daily life, at this time, a syringe is needed to inject repairing and reinforcing glue into a gap, common workers directly inject the glue through the syringe, the shape of the syringe is similar to that of a medical syringe, an injection seat is connected with an injection port at the front end of the syringe, the injection seat is bonded at the crack (other parts on the surface of the crack are sealed by resin) when the syringe is used, the syringe is connected with the injection seat after the resin is sucked, a cylinder body of the syringe is externally connected with a piston rod by an elastic rubber band or a spring, and the piston rod is pulled to press the resin into the crack by restoring elastic pulling force of the syringe.
The injector has the disadvantages that after the resin glue in the injector is injected, the injector needs to be removed and then the resin glue is injected into the injector again, and then the injection is carried out, so that continuous high-pressure injection cannot be carried out, the operation is laborious, the injected resin glue blocks the injector and injects into the crack, the repair quality is influenced, particularly, when the cracks at a certain high position are repaired, the resin glue is inconvenient to move up and down to take, the width of the cracks is different, and in the actual use process, workers need to prepare injectors with different sizes, the carrying is troublesome, and the manufacturing cost is high.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a resin injector for repairing and reinforcing civil engineering.
In order to achieve the purpose, the invention adopts the following technical scheme:
a resin injector for repairing and reinforcing civil construction comprises a bottom plate and a box body fixedly arranged on the bottom plate, the box body comprises a liquid storage bin and a tool bin which are separated by a baffle plate, a lifting pump is arranged in the tool bin, two sides of the lifting pump are respectively fixed on two inner side walls of the tool bin, and the contact part of the lifting pump and the tool bin is provided with a damping sheet, the inner side wall of the liquid storage bin is fixedly inserted with a connecting pipe, one end of the connecting pipe extends into the tool bin and is welded at the suction end of the lifting pump, the output end of the lifting pump is fixedly sleeved with a hose, the hose is made of rubber materials, the inner top wall of the tool bin is provided with a pipe hole, the hose penetrates through the pipe hole and is arranged on the outer side of the box body, one end of the hose, which is positioned on the outer side of the box body, is fixedly connected with a glue injection cylinder, and a check valve is arranged on the hose, which is positioned between the pipe hole and the glue injection cylinder;
the glue injection cylinder is symmetrically provided with two fixed blocks, each fixed block is fixedly provided with a telescopic rod, one end of each telescopic rod, far away from the fixed block, is fixedly provided with a movable rod, the movable rod is provided with a connecting rod, one end of each connecting rod, far away from the movable rod, penetrates through the side wall of the glue injection cylinder and extends into the glue injection cylinder, and one end of each connecting rod, located in the glue injection cylinder, is fixedly connected with a piston block;
the utility model discloses a piston block, including a rubber injection section of thick bamboo, a rubber injection mouth has been seted up on the rubber injection section of thick bamboo, the last thread bush of rubber injection section of thick bamboo installs the shower nozzle, just the rubber injection section of thick bamboo is equipped with sealed slipmat with the link of shower nozzle, seted up on the shower nozzle and spouted the jiao kou, be provided with the steel ball in the injecting the jiao kou, and the steel ball can freely roll in the injecting the jiao kou, the one end that the injecting the jiao kou is close to the piston block is spacing mouthful, the one end that the piston block was kept away from to the injecting the jiao kou is for opening the mouth, the diameter of steel ball is greater than the diameter of spacing mouthful, the diameter of steel ball is less than the diameter of opening the.
Preferably, the vertical pivot of installing in the instrument storehouse, the lower extreme of pivot uses the bearing to rotate with the interior diapire in instrument storehouse to be connected, the upper end of pivot runs through the box and welds and have the carousel, symmetry fixed mounting has a plurality of supports in the pivot, the support includes two fixed welding and changes epaxial horizontal pole, and two the horizontal pole all is perpendicular with the pivot, two the horizontal pole lies in the pivot and fixes the welding jointly on the both ends with one side and has the montant, hose ring winding is on a plurality of supports of symmetry.
Preferably, a handle is arranged on the rotary disc, a holding tube is sleeved on the handle, the handle is rotatably connected with the holding tube, and a limiting disc is arranged at the upper end of the handle.
Preferably, the box body is provided with a feed inlet, the feed inlet is provided with a bin cover matched with the feed inlet, the upper end of the bin cover is provided with a handle, and the bin cover is in threaded connection with the feed inlet.
Preferably, the end of the glue injection port close to the piston block is a limiting port, the diameter of the limiting port is smaller than that of the steel ball, the end of the glue injection port far away from the piston block is an open port, and the diameter of the steel ball is smaller than that of the open port, so that the steel ball can freely roll between the limiting port and the open port.
Preferably, the bottom plate is provided with a push rod, so that the device can be conveniently transported.
Preferably, a plurality of rollers are uniformly arranged on the lower end face of the bottom plate, and the number of the rollers is four.
Preferably, the piston block is made of rubber materials, and the piston block is connected with the inner wall of the glue injection cylinder in a sliding mode.
The invention has the beneficial effects that:
1. through using the spring to be connected piston piece and steel ball, when the telescopic link extends, the movable rod passes through the connecting rod and drives the motion of piston piece, and the piston piece passes through the spring and drives the steel ball motion, and the steel ball plugs up the injecting glue mouth, and the piston piece continues the motion, makes the formation negative pressure in the injecting glue section of thick bamboo, inhales the resin adhesive in the hose in the injecting glue section of thick bamboo, and the telescopic link contracts again, spouts the resin adhesive to the crack in from spouting the mouth of glue, has realized continuous injecting glue, has improved work efficiency and operating mass with.
2. Through set up the external screw thread on a injecting glue section of thick bamboo, set up the internal thread on the shower nozzle, make the shower nozzle screw thread install on a injecting glue section of thick bamboo to the shower nozzle is changed to the convenience, makes this device can be applicable to the crack of different width, has improved maneuverability.
3. Through setting up the elevator pump, when mending the crack of some eminences, can use the elevator pump earlier to promote the resin to a injecting glue section of thick bamboo in, carry out the injecting glue again and repair, improved the practicality of this device.
In conclusion, the device can continuously carry out high-pressure glue injection on the cracks, improves the working quality and the working efficiency, and can repair the cracks with different widths and higher positions, thereby improving the usability of the device.
Drawings
Fig. 1 is a schematic structural view of a resin injector for repairing and reinforcing a civil construction according to the present invention;
fig. 2 is a plan view of a case portion of a resin injector for repairing and reinforcing a civil engineering structure according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is an enlarged view at B of FIG. 1;
fig. 5 is a schematic structural view of a rotary table in a resin injector for repairing and reinforcing the civil construction according to the present invention;
fig. 6 is a side view of a glue injection cylinder in a resin injector for repairing and reinforcing civil works according to the present invention.
In the figure: the automatic glue injection machine comprises a base plate 1, a box body 2, a liquid storage bin 3, a tool bin 4, a connecting pipe 5, a lifting pump 6, a feed inlet 7, a rotating shaft 8, a hose 9, a rotating disc 10, a handle 11, a holding pipe 12, a support 13, a pipe hole 14, a glue injection barrel 15, a fixed block 16, a telescopic rod 17, a movable rod 18, a connecting rod 19, a piston block 20, a spring 21, a steel ball 22, a glue injection port 23, a spray head 24, a glue injection port 25, a bin cover 26, a handle 27, a push rod 28 and a roller 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a resin injector for repairing and reinforcing a civil construction, comprising a bottom plate 1 and a box body 2 fixedly installed on the bottom plate 1, wherein the box body 2 comprises a liquid storage bin 3 and a tool bin 4 which are separated by a baffle, a lifting pump 6 is arranged in the tool bin 4, two sides of the lifting pump 6 are respectively fixed on two inner side walls of the tool bin 4, a shock absorption sheet is arranged at a contact part of the lifting pump 6 and the tool bin 4, a connecting pipe 5 is fixedly inserted on the inner side wall of the liquid storage bin 3, one end of the connecting pipe 5 extends into the tool bin 4 and is welded at a suction end of the lifting pump 6, an output end of the lifting pump 6 is fixedly sleeved with a hose 9, the hose 9 is made of rubber material, a pipe hole 14 is arranged on an inner top wall of the tool bin 4, the hose 9 passes through the pipe hole 14 and is arranged on the outer side of the box, a check valve is arranged on the hose 9 between the pipe hole 14 and the glue injection cylinder 15;
the glue injection cylinder 15 is symmetrically provided with two fixed blocks 16, each fixed block 16 is fixedly provided with a telescopic rod 17, one end of each telescopic rod 17, which is far away from the fixed block 16, is fixedly provided with a movable rod 18, the movable rod 18 is provided with a connecting rod 19, one end of the connecting rod 19, which is far away from the movable rod 18, penetrates through the side wall of the glue injection cylinder 15 and extends into the glue injection cylinder 15, one end of the connecting rod 18, which is positioned in the glue injection cylinder 15, is fixedly connected with a piston block 20, the side wall of the piston block 20 is in sliding connection with the inner wall of the glue injection cylinder 15, and the;
the glue injection cylinder 15 is provided with a glue injection port 23, the glue injection cylinder 15 is provided with a spray head 24 in a threaded sleeve manner, a sealing anti-skid pad is arranged at the connecting end of the glue injection cylinder 15 and the spray head 24, the spray head 24 is provided with a glue injection port 25, a steel ball 22 is arranged in the glue injection port 23, one end of the glue injection port 23 close to the piston block 20 is a limiting port, one end of the glue injection port 23 far away from the piston block 20 is an open port, the diameter of the steel ball 22 is larger than that of the limiting port, the diameter of the steel ball 22 is smaller than that of the open port, the steel ball 22 can freely roll between the limiting port and the open port, a spring 21 is fixedly arranged on the piston block 20, one end of the spring 21 far away from the piston block 20 is fixedly connected with the steel ball 22, the central axes of the limiting port, the open port and the glue injection port 23 are coincident, the diameter of the open port is 9mm-12mm, the diameter of the glue injection port 25, so as to form high pressure in the glue injection cylinder 15 and spray the resin glue out from the glue spraying opening.
In the invention, a rotating shaft 8 is vertically arranged in a tool bin 4, the lower end of the rotating shaft 8 is rotatably connected with the inner bottom wall of the tool bin 4 by using a bearing, the upper end of the rotating shaft 8 penetrates through a box body 2 and is welded with a rotating disc 10, a plurality of supports 13 are symmetrically and fixedly arranged on the rotating shaft 8, each support 13 comprises two transverse rods fixedly welded on the rotating shaft and vertical to the rotating shaft 8, the two transverse rods are fixedly welded with vertical rods together at the two ends of the same side of the rotating shaft 8, a hose 9 is annularly wound on the two symmetrical vertical rods, a handle 11 is arranged on the rotating disc 10, a holding tube 12 is sleeved on the handle 11 and rotatably sleeved with the handle 11, a feed inlet 7 is arranged on the box body 2, a bin cover 26 matched with the feed inlet 7 is arranged on the feed inlet 7, the bin cover 26 is in threaded connection with the feed inlet 7, an external thread is arranged on the, handle 27 is installed to the upper end of cang gai 26, be provided with push rod 28 on the bottom plate 1, evenly be provided with a plurality of gyro wheels 29 on the lower terminal surface of bottom plate 2, the number of gyro wheel 29 is four, be equipped with the service brake on the gyro wheel 29, be equipped with braking structure on the service brake, braking structure on the service brake is connected with the brake lever, braking structure on the service brake can drive brake lever braking brake disc, service brake and relevant arrestment mechanism on the gyro wheel 29 are prior art, push rod 28 uses the transportation that makes this device more convenient and fast with the cooperation of gyro wheel 29 and uses, and can carry more resin glues and repair the use, and the work efficiency is improved.
When the invention is used, an operator pushes the box body 2 to a designated working site through the push rod 28 and the roller 29, the foot brake is started, the device is fixedly placed, the bin cover 26 is opened, resin glue is poured into the liquid storage bin 3, then the bin cover 26 is covered, then the glue injection tube 15 is held, the hose 9 is drawn out from the tool bin 4, the proper spray head 24 is installed on the glue injection tube 15 according to the width of a crack, the glue spraying opening 25 on the spray head 24 is inserted into the crack, the lifting pump 6 is opened, the resin glue is pumped from the liquid storage bin 3 to the hose 9 by the lifting pump 6, the resin glue flows into the glue injection tube 15 through the hose 9, the telescopic rod 17 is started, the telescopic rod 17 is contracted, the telescopic rod 17 drives the movable rod 18 to move towards the spray head 24, the movable rod 18 drives the connecting rod 19 to move towards the spray head 24, the connecting rod 19 drives the piston block 20 to move towards the spray head 24, and as the, therefore, in the process, the resin glue in the glue injection cylinder 15 cannot be extruded into the hose 9, the piston block 20 pushes the resin glue in the glue injection cylinder 15 to move towards the spray head 24, and because the diameter of the glue injection port 25 is far smaller than that of the opening on the glue injection port 23, the telescopic rod 17 can enable the resin glue in the glue injection port 23 to reach the required spraying force without high-power work, the resin glue is finally sprayed out from the glue injection port 25, and because the spray head 24 is inserted into the crack, the crack can be repaired from inside to outside.
After the resin adhesive in the adhesive injection cylinder 15 is completely injected into the crack, the telescopic rod 17 is extended, the telescopic rod 17 drives the movable rod 18 to move in the direction away from the spray head 24, the movable rod 18 drives the connecting rod 19 to move in the direction away from the spray head 24, the connecting rod 19 drives the piston block 20 to move in the direction away from the spray head 24, the piston block 20 drives the steel ball 22 to move in the direction away from the spray head 24 through the spring 21, because the diameter of the steel ball 22 is larger than that of the limiting opening, the steel ball 22 blocks the limiting opening, and because of the telescopic property of the spring 21, the telescopic rod 17 can continue to extend, the piston block 20 continues to move in the direction far away from the spray head 24, thereby make the formation of glue injection section of thick bamboo 15 negative pressure to in sucking the glue injection section of thick bamboo 15 with the resin glue in the hose 9, make telescopic link 17 shrink again, alright continue to inject the resin glue in the crack, so reciprocal can be in succession to injecting the resin glue in the crack.
After the repair, close elevator pump 6, hold the rotatory carousel 10 of holding tube 12, carousel 10 drives the rotation of pivot 8, and pivot 8 drives the support 13 rotation of a plurality of symmetries, and support 13 rotates and makes the orderly winding of hose 9 on support 13 to can accomodate hose 9 in the instrument storehouse.
It is worth noting that when the glue storage bin is not used for a long time, water needs to be poured into the liquid storage bin 3, the lifting pump 6 is started to enable the water to continuously flow and wash, the liquid storage bin 3, the connecting pipe 5, the lifting pump 6, the hose 9, the glue injection barrel 15, the glue injection port 23 and the spray head 24 are thoroughly cleaned, and the situation that the resin glue blocks a pipeline after being placed dry for a long time is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. A resin injector for repairing and reinforcing civil buildings comprises a bottom plate (1) and a box body (2) fixedly installed on the bottom plate (1), and is characterized in that the box body (2) comprises a liquid storage bin (3) and a tool bin (4), a lifting pump (6) is arranged in the tool bin (4), a connecting pipe (5) is fixedly inserted on the inner wall of the liquid storage bin (3), one end of the connecting pipe (5) extends into the tool bin (4) and is installed at the suction end of the lifting pump (6), a hose (9) is installed at the output end of the lifting pump (6), and the other end of the hose (9) is communicated with an injection cylinder (15);
the glue injection barrel (15) is symmetrically provided with two fixed blocks (16), each fixed block (16) is provided with a telescopic rod (17), the tail end of each telescopic rod (17) is jointly provided with a movable rod (18), each movable rod (18) is provided with a connecting rod (19), each connecting rod (19) penetrates through the side wall of the glue injection barrel (15) and extends into the glue injection barrel (15) and is fixedly provided with a piston block (20), a glue injection opening (23) is formed in the glue injection barrel (15), steel balls (22) are arranged in the glue injection opening (23), a spring (21) is fixedly arranged on the piston block (20), the other end of the spring (21) is fixedly connected with the steel balls (22), and a spray head (24) is arranged on the glue injection barrel (15) in a threaded manner;
a rotating shaft (8) is vertically installed in the tool bin (4), the upper end of the rotating shaft (8) penetrates through the box body (2) and is welded with a rotating disc (10), and a plurality of supports (13) are symmetrically and fixedly installed on the rotating shaft (8);
a handle (11) is arranged on the rotary disc (10), and a holding tube (12) is sleeved on the handle (11);
a feeding hole (7) is formed in the box body (2), a bin cover (26) is installed on the feeding hole (7), and a handle (27) is installed at the upper end of the bin cover (26);
one end of the glue injection port (23) close to the piston block (20) is a limiting port, and the diameter of the limiting port is smaller than that of the steel ball (22);
a push rod (28) is arranged on the bottom plate (1);
a plurality of rollers (29) are uniformly arranged on the lower end surface of the bottom plate (1);
piston block (20) adopt the rubber material to make, and piston block (20) and a injecting glue section of thick bamboo (15) inner wall sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411438.1A CN110185280B (en) | 2019-05-16 | 2019-05-16 | Resin injector for repairing and reinforcing civil construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411438.1A CN110185280B (en) | 2019-05-16 | 2019-05-16 | Resin injector for repairing and reinforcing civil construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185280A CN110185280A (en) | 2019-08-30 |
| CN110185280B true CN110185280B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910411438.1A Active CN110185280B (en) | 2019-05-16 | 2019-05-16 | Resin injector for repairing and reinforcing civil construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN110185280B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832160B (en) * | 2021-01-29 | 2022-06-03 | 山西省交通规划勘察设计院有限公司 | Highway guardrail bar planting device |
| CN112942883B (en) * | 2021-01-29 | 2022-03-25 | 中铁建科江门人才岛投资有限公司 | Green brick wall reinforcing equipment and construction method thereof |
| CN113833302A (en) * | 2021-09-27 | 2021-12-24 | 安徽省固诚建筑加固工程有限公司 | Concrete roof crack grouting treatment device |
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| CN208534083U (en) * | 2018-05-14 | 2019-02-22 | 河南省建筑设计研究院有限公司 | A kind of device for casting of ultra-deep underground garage building cracks processing |
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| EP3128105A1 (en) * | 2015-07-31 | 2017-02-08 | SG Engineering Corporation | Method for injecting injection filler into concrete structure and syringe therefor |
| CN205359710U (en) * | 2016-01-29 | 2016-07-06 | 广西壮族自治区农业科学院玉米研究所 | Ration continuous injection ware with adjustable |
| CN205729905U (en) * | 2016-03-15 | 2016-11-30 | 宁波宇球畜牧器械有限公司 | A kind of novel injector |
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| Publication number | Publication date |
|---|---|
| CN110185280A (en) | 2019-08-30 |
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