CN104295110A - Crack filling device of building and construction method thereof - Google Patents
Crack filling device of building and construction method thereof Download PDFInfo
- Publication number
- CN104295110A CN104295110A CN201410519804.2A CN201410519804A CN104295110A CN 104295110 A CN104295110 A CN 104295110A CN 201410519804 A CN201410519804 A CN 201410519804A CN 104295110 A CN104295110 A CN 104295110A
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- Prior art keywords
- crack
- nozzle
- suction disc
- opening
- filled
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Classifications
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- 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
-
- 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
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- 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)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a crack filling device of a building. The device is characterized by comprising a suction plate; an opening is arranged in the suction plate; sucking discs are arranged around the opening; a vacuum pump port is communicated with the outer side of each sucking disc; air inlets which are movably opened and closed are also arranged in the side edges of the sucking discs. Compared with the prior art, the device is ingenious in structural design, and accurate to fill the crack, and has a wide market prospect.
Description
Technical field
The invention belongs to construction engineering technical field, device and construction method thereof are filled up in the crack being specifically related to a kind of building.
Background technology
Building cracks is the common qualitative problems of construction of building, current domestic many building tears are directly reconstructed through crack above plate, beam, post, to being diaclase, and such as pond, floor upper layer crack can be repaired with mortar, or repairs with plain-water slurry.
If a patent No. is ZL201320887478.1, the applying date 2013. 12.31, disclose a kind of rail tunnel wall body slit repair apparatus in the Chinese utility model patent of publication No. CN203769803U, comprise fill out slurry pipe, it is characterized in that: described in fill out slurry pipe one end be connected with Grouting Pipe; Described Grouting Pipe is connected with high-speed electric expreess locomotive; Described slurry pipe of filling out is inserted in the wall of crack by the injected hole be arranged on knee wall; Wall top, described crack is provided with return-air hole, and bottom is provided with wall column, and described wall column the inner is connected with bracing frame.This device volume is excessive, not easy to operate, needs to connect power supply simultaneously, very large by site influence.
And for example an application number is ZL201320845537.9, applying date 2013.12.20, a kind of repairing concrete crack device is disclosed in the Chinese utility model of application publication number CN203684723U, it is characterized in that: comprise slurry storing tube, piston and push rod, piston is located in slurry storing tube, push rod connects piston, and push rod is surperficial threaded silk rod-like structure; Slurry storing tube rear end is fixed with cover, and cover center is provided with the hole passed for push rod, and the inwall in hole is provided with the screw thread matched with push rod; Slurry storing tube front end is provided with connector, is provided with outwardly slurry outlet nozzle in connector, and it is inner that slurry outlet nozzle is communicated with slurry storing tube, and connector is by being located at the grouting nozzle that is threaded of its inwall, and grouting nozzle docks with slurry outlet nozzle, and grouting nozzle front end is sharp mouth.
Said apparatus is widely used crack method for repairing and mending in building at present, its construction is more extensive, due to grout outlet and fracture surface position instability, in slip casting process, the position of device is subject to the reaction force impact that slip casting is sprayed, cause its slip casting uneven, some rift portion are filled up by slurries, and some parts are then filled without slurries, and whole repairing quality is not passed a test.
Summary of the invention
The present invention is directed to above shortcoming, extensive based on solution existing building crack repairing equipment construction, equipment needs energising and not portable, the uneven problem causing quality not pass a test of repair grouting.Device and construction method thereof are filled up in the crack proposing a kind of building, and this device, by process of bleeding in advance, makes device be close to fracture surface, carrying out slip casting, making slurries accurately, fill up crack uniformly.
For realizing object of the present invention, the technical solution used in the present invention is:
A device is filled up in the crack of building, it is characterized in that: comprise suction disc, and described suction disc inside is provided with opening, and sucker has been located at opening surrounding, is communicated with vacuum pump interface outside it, and described sucker side is also provided with the air inlet port of activity folding;
Adjustment sheet is inclined and mounted on above suction disc by clamp nut, spring is provided with below its one end, single nut is arranged on and is used for adjusting it above spring and moves up and down, single nut is spun on above screw mandrel herein, screw mandrel is through spring inner and it is connected as a single entity, because screw mandrel has certain length, when single nut rotates, self-position is motionless, and namely the spring be integrated with screw mandrel is like this driven and realizes being elevated below adjustment sheet; The other end has waist hole to clamp nut position, and logical heart screw mandrel is through on waist hole, and be communicated with swivel head below it, top is communicated with patching material inlet pipe, and expansion link is connected between clamp nut and logical heart screw mandrel, is provided with nozzle below described swivel head.
Preferentially, nozzle quantity is 3, its caliber size is different, can rotate at any time, guarantee one be blocked after continue to use two other material spray, do not affect construction, simultaneously according to the size in gap, adjust the nozzle of corresponding bore, guarantee that construction is more accurate, nozzle take clamp nut as fixed point, and is freely located in opening by adjustment mobile realization in waist hole of expansion link.
Preferentially, sucker is located at bottom suction disc, and upper opening portion edge is provided with can the fixing flexible push rod of pull-up, suction disc easily can be dragged like this when pavement construction.
Preferentially, bottom suction disc, four limits are provided with turnover universal wheel, universal wheel side be provided with by upset after the securing bayonet lock of universal wheel, when high road pavement construction, universal wheel is packed up does not affect construction.
Preferentially, the adjustment sheet of spring side is also provided with the hold-down screw of being locked by single nut, like this in material spray process, whole device stablizes slip casting, can not rock.
Preferentially, logical heart screw mandrel is also communicated with patching material feed pipe for subsequent use.This pipeline is as backup line, or two kinds of slurries are used in combination, using this pipeline as another kind of slurry feed mouth.
7, a device construction method is filled up in the crack of building, it is characterized in that, comprises the following steps,
(1) sucker is inhaled on target fracture surface, guarantee that rift portion region is in inside, open area, by connecting vacuum pump interface, suction cup interior being vacuumized, suction disc being fixed and is firmly adsorbed on fracture surface; Vacuum pump preferred manual vacuum pump, vacuum pump interface goes out to be provided with flow control switch;
(2) adjust nozzle location, make its crack that aims at the mark, by rotating single nut, spring and fracture surface are compressed, being fulcrum by clamp nut like this, fits in nozzle and the target crack of the other end; Like this in slip casting simultaneously, the reaction force of slip casting is offset by the spring of the other end, makes the light moving nozzle leicht fallen D/A of constructor;
(3) patching material inlet pipe is connected patching material, start nozzle conveying, make patching material enter in crack by nozzle, meanwhile Control Nozzle moves and is completed by the crack repairing of opening inner region; The manual grouting machine of patching material inlet pipe preferential attachment;
(4) open air inlet port to sucker air inlet, make suction disc breakaway fracture surface;
(5) step (1)-(4) are repeated, until whole piece crack repairing completes;
(6) patching material inlet pipe is connected clear water, by whole pipeline-cleaning is clean to nozzle conveying clear water, be convenient to use next time.
Compared with prior art, advantage of the present invention is: by process of bleeding in advance, makes device be close to fracture surface, is carrying out slip casting, is making slurries accurately, fill up crack uniformly, and whole work progress quality can accurately be controlled.The present invention simultaneously does not need energising, and in work progress, equipment is stablized, and constructor uses easily, less by site influence, and compared with prior art, smart structural design of the present invention, squeegees accurately, have wide market prospects.
Accompanying drawing explanation
The following accompanying drawing by means of embodiment carries out brief description to the present invention now.In accompanying drawing:
The structural representation of device is filled up in the crack that Fig. 1 shows building of the present invention;
Fig. 2 shows the structural representation of adjustment sheet;
Fig. 3 shows the structural representation of nozzle segment;
The structural representation of device bottom surface is filled up in the crack that Fig. 4 shows building of the present invention;
Fig. 5 shows first embodiment of the invention constructing structure schematic diagram;
Fig. 6 shows second embodiment of the invention constructing structure schematic diagram.
In figure: 1, bayonet lock, 2, single nut, 3, hold-down screw, 4, spring, 5, adjustment sheet, 6, air inlet port, 7, expansion link, 8, suction disc, 9, universal wheel, 10, sucker, 12, logical heart screw mandrel, 13, control valve, 14, patching material inlet pipe, 15, vacuum pump interface, 17, patching material feed pipe for subsequent use, 18, flexible push rod, 19, clamp nut, 20, swivel head 21, nozzle, 22, opening.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Embodiment 1
Device is filled up in a kind of crack of building, comprise suction disc 8, described suction disc 8 inside is provided with opening 22, sucker 10 has been located at opening 22 surrounding, vacuum pump interface 15 is communicated with outside it, vacuum pump interface 15 interface is provided with the control valve controlling air inlet size, and described sucker 10 side is also provided with the air inlet port 6 of activity folding; Sucker 10 is located at bottom suction disc 8, and opening 22 top edge is provided with can the fixing flexible push rod 18 of pull-up.
Bottom suction disc 8, four limits are provided with turnover universal wheel 9, universal wheel 9 side be provided with upset after the securing bayonet lock 1 of universal wheel 9, whole device can be moved by universal wheel 9 by flexible push rod 18 in pull-up.
Adjustment sheet 5 is inclined and mounted on above suction disc 8 by clamp nut 19, is provided with spring 4 below its one end, and the single nut 2 of adjustable spring about 4 is arranged on above spring 4, the adjustment sheet 5 of spring 4 side is also provided with the hold-down screw 3 of being locked by single nut 2.
The other end of adjustment sheet 5 has waist hole to clamp nut 19 position, logical heart screw mandrel 12 is through on waist hole, swivel head 20 is communicated with below it, top is communicated with patching material inlet pipe 14, patching material inlet pipe 14 interface is provided with the control valve 13 controlling uninterrupted, expansion link 7 is connected between clamp nut 19 and logical heart screw mandrel 12, is provided with nozzle 21 above described swivel head 20.In addition, logical heart screw mandrel 12 is also communicated with patching material feed pipe 17 for subsequent use.
Nozzle 21 quantity is 3, its caliber size is different, can rotate at any time, guarantee one be blocked after continue to use two other material spray, do not affect construction, simultaneously according to the size in gap, adjust the nozzle of corresponding bore, guarantee that construction is more accurate, nozzle 21 is fixed point with clamp nut 19, and is freely located in opening 22 by adjustment mobile realization in waist hole of expansion link 7.
The present embodiment apparatus structure is for highway, and bridge pavement construction (as Fig. 6 shows) comprises the following steps,
(1) sucker 10 being inhaled on target fracture surface, guarantee that crack is in opening 22 intra-zone, vacuumizing by connecting manual vacuum pump interface 15 pairs of sucker 10 inside, suction disc 8 is fixed and is firmly adsorbed on fracture surface;
(2) adjust nozzle 21 position, make its crack that aims at the mark, by rotating single nut 2, spring 4 and fracture surface are compressed, passing through clamp nut 19 is like this fulcrum, fits in nozzle 21 and the target crack of the other end;
(3) patching material inlet pipe 14 is connected manual grouting machine, start, to nozzle 21 conveying, to make patching material enter in crack by nozzle 21, meanwhile Artificial Control nozzle 21 is slowly mobile completes the crack repairing of opening 22 inner region;
(4) open the air inlet of air inlet port 6 pairs of suckers 10, make suction disc 8 breakaway fracture surface;
(5) above-mentioned steps (1)-(4) are repeated, until whole piece crack repairing completes;
(6) patching material inlet pipe 14 being connected clear water, by carrying nozzle 21 clear water that whole pipeline-cleaning is clean, being convenient to use next time.
Embodiment 2
Device is filled up in a kind of crack of building, comprise suction disc 8, described suction disc 8 inside is provided with opening 22, sucker 10 has been located at opening 22 surrounding, sucker 10 is located at bottom suction disc 8 simultaneously, be communicated with vacuum pump interface 15 outside it, vacuum pump interface 15 interface is provided with the control valve controlling air inlet size, and described sucker 10 side is also provided with the air inlet port 6 of activity folding.
Adjustment sheet 5 is inclined and mounted on above suction disc 8 by clamp nut 19, is provided with spring 4 below its one end, and the single nut 2 of adjustable spring about 4 is arranged on above spring 4, the adjustment sheet 5 of spring 4 side is also provided with the hold-down screw 3 of being locked by single nut 2.
The other end of adjustment sheet 5 has waist hole to clamp nut 19 position, logical heart screw mandrel 12 is through on waist hole, swivel head 20 is communicated with below it, top is communicated with patching material inlet pipe 14, patching material inlet pipe 14 interface is provided with the control valve 13 controlling uninterrupted, expansion link 7 is connected between clamp nut 19 and logical heart screw mandrel 12, is provided with nozzle 21 above described swivel head 20.
Nozzle 21 quantity is 3, its caliber size is different, can rotate at any time, guarantee one be blocked after continue to use two other material spray, do not affect construction, simultaneously according to the size in gap, adjust the nozzle of corresponding bore, guarantee that construction is more accurate, nozzle 21 is fixed point with clamp nut 19, and is freely located in opening 22 by adjustment mobile realization in waist hole of expansion link 7.
The present embodiment apparatus structure is for metope, and ceiling construction (as Fig. 5 shows) comprises the following steps,
(1) sucker 10 being inhaled on target fracture surface, guarantee that crack is in opening 22 intra-zone, vacuumizing by connecting manual vacuum pump interface 15 pairs of sucker 10 inside, suction disc 8 is fixed and is firmly adsorbed on fracture surface;
(2) adjust nozzle 21 position, make its crack that aims at the mark, by rotating single nut 2, spring 4 and fracture surface are compressed, passing through clamp nut 19 is like this fulcrum, fits in nozzle 21 and the target crack of the other end;
(3) patching material inlet pipe 14 is connected manual grouting machine, start, to nozzle 21 conveying, to make patching material enter in crack by nozzle 21, meanwhile Artificial Control nozzle 21 is slowly mobile completes the crack repairing of opening 22 inner region;
(4) open the air inlet of air inlet port 6 pairs of suckers 10, make suction disc 8 breakaway fracture surface;
(5) above-mentioned steps (1)-(4) are repeated, until whole piece crack repairing completes;
(6) patching material inlet pipe 14 being connected clear water, by carrying nozzle 21 clear water that whole pipeline-cleaning is clean, being convenient to use next time.
Claims (7)
1. device is filled up in the crack of a building, it is characterized in that: comprise suction disc (8), described suction disc (8) inside is provided with opening (22), sucker (10) has been located at opening (22) surrounding, be communicated with vacuum pump interface (15) outside it, described sucker (10) side is also provided with the air inlet port (6) of activity folding;
Adjustment sheet (5) is inclined and mounted on above suction disc (8) by clamp nut (19), spring (4) is provided with below its one end, single nut (2) is arranged on spring (4) top and is used for adjusting it and moves up and down, the other end has waist hole to clamp nut (19) position, logical heart screw mandrel (12) is through on waist hole, swivel head (20) is communicated with below it, top is communicated with patching material inlet pipe (14), expansion link (7) is connected between clamp nut (19) and logical heart screw mandrel (12), and described swivel head (20) below is provided with nozzle (21).
2. device is filled up in the crack of building according to claim 1, it is characterized in that, described nozzle (21) quantity is 3, its caliber size is different, nozzle (21) is fixed point with clamp nut (19), and is freely located in opening (22) by adjustment mobile realization in waist hole of expansion link (7).
3. device is filled up in the crack of building according to claim 1, it is characterized in that, described sucker (10) is located at suction disc (8) bottom, and opening (22) top edge is provided with can the fixing flexible push rod (18) of pull-up.
4. device is filled up in the crack of building according to claim 1, it is characterized in that, described suction disc (8) bottom four limits turnover universal wheel (9) is installed, universal wheel (9) side be provided with by upset after universal wheel (9) securing bayonet lock (1).
5. device is filled up in the crack of building according to claim 1, it is characterized in that, the adjustment sheet (5) of described spring (4) side is also provided with the hold-down screw (3) of being locked by single nut (2).
6. device is filled up in the crack of building according to claim 1, it is characterized in that, described logical heart screw mandrel (12) is also communicated with patching material feed pipe (17) for subsequent use.
7. a device construction method is filled up in the crack of building, it is characterized in that, comprises the following steps,
(1) sucker (10) is inhaled on target fracture surface, guarantee that rift portion region is in opening (22) intra-zone, by connecting vacuum pump interface (15), sucker (10) inside being vacuumized, suction disc (8) being fixed and is firmly adsorbed on fracture surface;
(2) adjust nozzle (21) position, make its crack that aims at the mark, by rotating single nut (2), spring (4) and fracture surface are compressed, passing through clamp nut (19) is like this fulcrum, fits in nozzle (21) and the target crack of the other end;
(3) patching material inlet pipe (14) is connected patching material, start nozzle (21) conveying, make patching material enter in crack by nozzle (21), meanwhile Control Nozzle (21) is mobile completes the crack repairing of opening (22) inner region;
(4) open air inlet port (6) to sucker (10) air inlet, make suction disc (8) breakaway fracture surface;
(5) step (1)-(4) are repeated, until whole piece crack repairing completes;
(6) patching material inlet pipe (14) is connected clear water, by whole pipeline-cleaning is clean to nozzle (21) conveying clear water, be convenient to use next time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903181.3A CN105370055B (en) | 2014-10-01 | 2014-10-01 | Device construction method is filled up in a kind of crack of building |
| CN201410519804.2A CN104295110B (en) | 2014-10-01 | 2014-10-01 | Device is filled up in a kind of crack of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410519804.2A CN104295110B (en) | 2014-10-01 | 2014-10-01 | Device is filled up in a kind of crack of building |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510903181.3A Division CN105370055B (en) | 2014-10-01 | 2014-10-01 | Device construction method is filled up in a kind of crack of building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104295110A true CN104295110A (en) | 2015-01-21 |
| CN104295110B CN104295110B (en) | 2016-04-06 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510903181.3A Expired - Fee Related CN105370055B (en) | 2014-10-01 | 2014-10-01 | Device construction method is filled up in a kind of crack of building |
| CN201410519804.2A Active CN104295110B (en) | 2014-10-01 | 2014-10-01 | Device is filled up in a kind of crack of building |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510903181.3A Expired - Fee Related CN105370055B (en) | 2014-10-01 | 2014-10-01 | Device construction method is filled up in a kind of crack of building |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105370055B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277797A (en) * | 2018-01-16 | 2018-07-13 | 中国冶集团有限公司 | Concrete crack sealing locking device and sealing closure construction method |
| CN108331431A (en) * | 2018-01-18 | 2018-07-27 | 深圳市晓控通信科技有限公司 | A kind of communication steel tower that there is column foot fracture detection and fill up function |
| CN115569821A (en) * | 2022-09-08 | 2023-01-06 | 合肥蓝川生态科技有限公司 | Paint spraying maintenance method for outdoor traffic indication column |
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| CN108816644B (en) * | 2018-06-22 | 2021-03-26 | 广州森宇科技信息服务有限公司 | Glue injection device for aluminum alloy door and window |
| CN109515742B (en) * | 2018-10-17 | 2022-03-15 | 中国特种飞行器研究所 | Auxiliary fixtures is repaired to aerostatics utricule normal position |
| CN110080554B (en) * | 2019-05-31 | 2021-03-02 | 丽水新智知识产权运营有限公司 | Steel construction is caulking equipment for engineering |
| CN111550074A (en) * | 2020-05-20 | 2020-08-18 | 永康克卡自动化设备有限公司 | Kitchen tile seam re-spraying equipment |
| CN112049458B (en) * | 2020-09-09 | 2022-02-01 | 广东博智林机器人有限公司 | Grouting device and grouting system |
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| US4884922A (en) * | 1986-09-19 | 1989-12-05 | Balfour Beatty Limited | Filling cracks in artificial and natural structures |
| JP2004092029A (en) * | 2002-08-29 | 2004-03-25 | Shinshichiro Suzuki | Device for repairing crack in wall |
| CN2747315Y (en) * | 2004-10-26 | 2005-12-21 | 刘晏廷 | Multi-function injector for filling concrete crack |
| CN1888354A (en) * | 2006-07-14 | 2007-01-03 | 山东省建筑科学研究院 | Self-pressing crack treating device and construction technique |
| JP2008297726A (en) * | 2007-05-29 | 2008-12-11 | Sakaegumi Corp | Device for repairing crack in wall |
| CN204152238U (en) * | 2014-10-01 | 2015-02-11 | 陈庆 | Device is filled up in a kind of crack of building |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203684723U (en) * | 2013-12-20 | 2014-07-02 | 杨山印 | Concrete crack repair device |
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2014
- 2014-10-01 CN CN201510903181.3A patent/CN105370055B/en not_active Expired - Fee Related
- 2014-10-01 CN CN201410519804.2A patent/CN104295110B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4884922A (en) * | 1986-09-19 | 1989-12-05 | Balfour Beatty Limited | Filling cracks in artificial and natural structures |
| JP2004092029A (en) * | 2002-08-29 | 2004-03-25 | Shinshichiro Suzuki | Device for repairing crack in wall |
| JP3953920B2 (en) * | 2002-08-29 | 2007-08-08 | 新七郎 鈴木 | Wall crack repair equipment |
| CN2747315Y (en) * | 2004-10-26 | 2005-12-21 | 刘晏廷 | Multi-function injector for filling concrete crack |
| CN1888354A (en) * | 2006-07-14 | 2007-01-03 | 山东省建筑科学研究院 | Self-pressing crack treating device and construction technique |
| JP2008297726A (en) * | 2007-05-29 | 2008-12-11 | Sakaegumi Corp | Device for repairing crack in wall |
| CN204152238U (en) * | 2014-10-01 | 2015-02-11 | 陈庆 | Device is filled up in a kind of crack of building |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277797A (en) * | 2018-01-16 | 2018-07-13 | 中国冶集团有限公司 | Concrete crack sealing locking device and sealing closure construction method |
| CN108331431A (en) * | 2018-01-18 | 2018-07-27 | 深圳市晓控通信科技有限公司 | A kind of communication steel tower that there is column foot fracture detection and fill up function |
| CN115569821A (en) * | 2022-09-08 | 2023-01-06 | 合肥蓝川生态科技有限公司 | Paint spraying maintenance method for outdoor traffic indication column |
| CN115569821B (en) * | 2022-09-08 | 2023-07-04 | 合肥蓝川生态科技有限公司 | Paint spraying maintenance method for outdoor traffic indication column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105370055A (en) | 2016-03-02 |
| CN104295110B (en) | 2016-04-06 |
| CN105370055B (en) | 2017-07-11 |
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Inventor after: Chen Jiande Inventor after: Dong Chunhua Inventor before: Chen Qing |
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