CN112814386B - Door crack grouting machine for architectural decoration - Google Patents
Door crack grouting machine for architectural decoration Download PDFInfo
- Publication number
- CN112814386B CN112814386B CN202110010856.7A CN202110010856A CN112814386B CN 112814386 B CN112814386 B CN 112814386B CN 202110010856 A CN202110010856 A CN 202110010856A CN 112814386 B CN112814386 B CN 112814386B
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- grouting
- piece
- wall
- crack
- fixedly connected
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- 238000005034 decoration Methods 0.000 title claims abstract description 17
- 238000007790 scraping Methods 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 238000010408 sweeping Methods 0.000 claims description 10
- 239000011440 grout Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 17
- 238000001035 drying Methods 0.000 abstract description 3
- 239000000945 filler Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 10
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/0038—Implements for finishing work on buildings for fitting sealing strips or like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a door crack grouting machine for architectural decoration, which relates to the technical field of architectural decoration and comprises a motor, a charging bucket, a grouting pipe and a base, wherein the right side of the bottom of the motor is fixedly connected with the bottom of the charging bucket, the right side of the bottom of the charging bucket is fixedly connected with one end of the grouting pipe, and the bottom of the motor is fixedly connected with the top of the base. According to the invention, through the delicate design, the combination of the rubber tube, the grouting head and the seam clamping piece is adopted, the traditional grouting gun head is not used during grouting, the grouting operation is carried out by inserting the whole grouting pipe into the crack, the grouting is carried out from inside to outside in the crack, impurities in the crack are cleaned during the grouting operation, the grouting pipe can be automatically pushed away from the crack after the grouting is finished, the problem of uneven grouting in the crack is avoided, the door frame is prevented from being propped open after the excessive drying of the grouting is simultaneously prevented, and the periphery of the door frame is simultaneously grouted at one time, so that the time, the labor and the time are saved, and the efficiency is high and the speed is high.
Description
Technical Field
The invention relates to a grouting machine, relates to the technical field of architectural decoration, and particularly relates to a door crack grouting machine for architectural decoration.
Background
In large-scale urbanization construction, fire fighting is increasingly severe, a large number of hollow door frames of anti-theft doors and fire-proof doors need mortar filling and backfilling to meet fire fighting requirements, a gap between the door frame and an installation wall needs to be filled, the service life of the door body is prolonged, the door body is firmly installed in the wall body, and the effects of theft prevention, decoration and the like are achieved. The following problems exist in the prior art:
1. in the prior art, when mortar is poured into a door body, because a crack at the top of the door body is influenced by a height factor when a pouring gun head is used for filling, the problems that the grouting is uneven and is difficult to pour and the mortar is easy to leak and scatter to pollute the ground during pouring are easily caused during the work of workers;
2. in the prior art, the inside is filled from the crack outside to some pouring mortar techniques to the problem that inside grout is not real appears, can lead to the door frame installation insecure after the dry forming, pours into the problem that the face is easy to split, and this grouting technique's suitability worsens, consequently needs to carry out the structure innovation and solves specific problem.
Disclosure of Invention
The invention provides a door crack grouting machine for architectural decoration, which aims to have the function of conveniently and effectively grouting a crack at the top of a door frame and solve the problems that when mortar is poured into a door body, the crack at the top of the door body is influenced by a height factor when a pouring gun head is used for filling, grouting is not uniform easily when a worker works, and the mortar is not easy to leak and scatter to pollute the ground when the pouring is carried out; the other purpose is to fill from the outside of a crack to the inside in order to solve the problem that internal grouting is not solid in some grouting technologies, and the problems that a door frame is installed insecurely and a grouting surface is prone to cracking after drying and forming are caused, so that the effect of grouting compaction is achieved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a door crack grouting machine for architectural decoration, includes motor, charging bucket, grout pipe and base, the bottom right side of motor and charging bucket's bottom fixed connection, charging bucket's bottom right side and the one end fixed connection of grout pipe, the bottom of motor and the top fixed connection of base.
The technical scheme of the invention is further improved as follows: the grouting pipe comprises a rubber pipe and a grouting piece, one end of the rubber pipe is fixedly connected with the right side of the bottom of the base, and the outer wall of the rubber pipe is movably connected with one side of the grouting piece.
The technical scheme of the invention is further improved as follows: the grouting piece comprises a grouting head and a seam-blocking piece, the rear end of the grouting head is connected with the inner wall of the rubber pipe in an inserting mode, one side of the grouting head is provided with one side of the seam-blocking piece, and the inner wall of one side of the seam-blocking piece is movably connected with the outer wall of the rubber pipe.
The technical scheme of the invention is further improved as follows: the seam clamping piece comprises an elastic piece, a scraping piece, a pull head and a deflection piece, the inner wall of the front end of the elastic piece is sleeved with the outer wall of the rubber tube, the scraping piece is fixedly connected to the upper end and the lower end of the elastic piece, one side of the scraping piece is fixedly connected with one end of the pull head, the other end of the pull head is fixedly connected with the front end of the pull head, and the front end of the elastic piece is movably connected with the rear end of the deflection piece.
The technical scheme of the invention is further improved as follows: the deflection piece comprises a deflection rod, a dust sweeping head and a rotating shaft, the rear end of the deflection rod is movably connected with the outer wall of the rotating shaft, one side of the rotating shaft is connected with the front end of the elastic sheet in an inserting mode, and the front end of the deflection rod is fixedly connected with the rear end of the dust sweeping head.
The technical scheme of the invention is further improved as follows: the grout head includes ejecting piece, casing, slider and nonrust steel sheet, the front end of ejecting piece is pegged graft with the front end of casing, the through-hole has evenly been seted up to the outer wall of casing, the rear end of ejecting piece and the one end fixed connection of nonrust steel sheet, the other end of nonrust steel sheet and the one end fixed connection of slider, the other end of slider and the inner wall swing joint of casing.
The technical scheme of the invention is further improved as follows: the both sides of casing all are provided with the front end of joint spare, the rear end outer wall and the rubber tube of casing.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a door crack grouting machine for architectural decoration, which is ingenious in design, adopts a rubber tube, a grouting head and a crack clamping piece to combine, realizes that the traditional grouting gun head is not used during grouting, adopts the mode of plugging a grouting tube into a crack for grouting operation, performs grouting from inside to outside in the crack, only needs to plug the grouting tube into the crack around a door frame in advance during grouting, then opens a motor and fills filler into a charging barrel, the motor pushes the filler forwards in the rubber tube, when the filler reaches the rear end of the grouting head, the front end of the jacking piece is pushed out of a shell under the action of pressure, the filler enters the crack through a through hole through the inner wall of the shell, and as the filler in the crack increases, the rubber tube and the grouting piece are pushed out of the inner wall of the crack under the influence of reaction force, the rapid filling of the crack is completed, and the problem of uneven grouting in the crack is avoided, meanwhile, the door frame is prevented from being propped open after excessive grouting drying, grouting is performed on the periphery of the door frame at one time, and time, labor and efficiency are saved, and the door frame is efficient and quick.
2. The invention provides a door crack grouting machine for architectural decoration, which is characterized in that a rubber pipe, a grouting head and a crack clamping piece are combined, so that when a grouting pipe is plugged into a crack between a door body and a wall body, a scraping piece and the inner wall of the crack are rubbed to clean loose cement particles or impurities, and due to the extrusion force of the front end, a deflection rod at the front end of a deflection piece deflects by taking a rotating shaft as a circle center, the impurities in the crack are pushed to the rear end, the impurities are continuously poured into the crack along with fillers passing through the front end of the grouting head, the deflection piece continuously deflects due to the pressure action of the front end and the fillers, and in the process of deflecting to the rear end, the ash sweeping head pushes the impurities into a bent cavity of a spring plate, so that the impurities in the crack are prevented from remaining in the fillers, and the grouting filling quality of a door frame is improved.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the use of the grout pipe of the present invention;
FIG. 3 is a schematic view of a grout tube configuration of the present invention;
FIG. 4 is a schematic view of a fastener of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 4;
fig. 6 is a schematic view of the grouting head structure according to the present invention.
In the figure: 1. a motor; 2. a charging barrel; 3. grouting pipes; 4. a base; 30. a hose; 31. grouting parts; 301. grouting head; 302. a seam fastener; a1, a spring plate; a2, scraping piece; a3, a pull rope; a4, a slider; a5, a deflector; c1, deflecting bar; c2, ash sweeping head; c3, a rotating shaft; b1, ejection piece; b2, a shell; b4, stainless steel sheet; b3, through holes.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-6, the invention provides a door crack grouting machine for architectural decoration, comprising a motor 1, a charging barrel 2, a grouting pipe 3 and a base 4, wherein the right side of the bottom of the motor 1 is fixedly connected with the bottom of the charging barrel 2, the right side of the bottom of the charging barrel 2 is fixedly connected with one end of the grouting pipe 3, the bottom of the motor 1 is fixedly connected with the top of the base 4, the grouting pipe 3 comprises a rubber pipe 30 and a grouting piece 31, one end of the rubber pipe 30 is fixedly connected with the right side of the bottom of the base 4, the outer wall of the rubber pipe 30 is movably connected with one side of the grouting piece 31, the grouting piece 31 comprises a grouting head 301 and a crack blocking piece 302, the rear end of the grouting head 301 is inserted into the inner wall of the rubber pipe 30, one side of the grouting head 301 is provided with one side of the crack blocking piece 302, one side of the crack blocking piece 302 is movably connected with the outer wall of the rubber pipe 30, the inner wall of the front end of a1 is sleeved with the outer wall of the rubber pipe 30, the upper and lower ends of a1 are fixedly connected with scraping pieces 2, one side of the scraping piece a2 is fixedly connected with one end of a pulling cable a3, the other end of the pulling cable a3 is fixedly connected with the front end of a pulling head a4, the grouting head 301 comprises an ejecting piece b1, a shell b2, a sliding piece b4 and a stainless steel sheet b5, the front end of the ejecting piece b1 is inserted into the front end of the shell b2, through holes b3 are uniformly formed in the outer wall of the shell b2, the rear end of the ejecting piece b1 is fixedly connected with one end of the stainless steel sheet b5, the other end of the stainless steel sheet b5 is fixedly connected with one end of the sliding piece b4, and the other end of the sliding piece b4 is movably connected with the inner wall of the shell b 2.
In this embodiment, when grouting around the door body, the grouting pipe 3 is first plugged into the crack between the door body and the wall body, the slider a4 is pulled to the rear end, the scraper a2 is pulled by the pulling rope a3 to close the upper and lower ends of the elastic sheet a1 under the action of pulling force, the front end of the grouting pipe 3 is slowly inserted into the crack, when the front end of the grouting pipe 3 enters the crack to loosen the slider a4, the elastic sheet a1 recovers elastic deformation to tightly attach the scraper a2 to the upper and lower walls of the crack, then the motor 1 is opened and the filler is filled into the barrel 2, the motor 1 pushes the filler forward in the rubber pipe 30, the inner wall pressure is increased as more and more filler is in the rubber pipe 30, when the filler reaches the rear end of the grouting head 301, the rear end of the stainless steel b5 at the rear end of the grouting head 301 is squeezed by the action of pressure, and the stainless steel b5 is pushed to move to the front end and elastically deform, the sliding part b4 fixed at one end of the stainless steel sheet b5 is also driven to slide along the inner wall of the shell b2, and when the stainless steel sheet b5 and the sliding part b4 move towards the front end, the ejector part b1 is also pushed out of the shell b2 towards the front end, the filling material enters the gap through the inner wall of the shell b2 and through the through hole b3, the ejector part b1 is pushed out to be extruded with the filling material or the gap end at the front end, and as the filling material in the gap increases, the rubber pipe 30 and the grouting part 31 are pushed out of the inner wall of the gap due to the influence of the reaction force, and the gap is filled quickly.
Example 2
As shown in fig. 3, 4 and 5, the present invention provides a technical solution based on embodiment 1: the rear end of the grouting head 301 is inserted into the inner wall of the rubber tube 30, one side of the grouting head 301 is provided with one side of the seam-locking piece 302, the inner wall of one side of the seam-locking piece 302 is movably connected with the outer wall of the rubber tube 30, the inner wall of the front end of the elastic sheet a1 is sleeved with the outer wall of the rubber tube 30, the upper end and the lower end of the elastic sheet a1 are both fixedly connected with the scraping piece a2, one side of the scraping piece a2 is fixedly connected with one end of the pull rope a3, the other end of the pull rope a3 is fixedly connected with the front end of the pull head a4, the front end of the elastic sheet a1 is movably connected with the rear end of the deflecting piece a5, the deflecting piece a5 comprises a deflecting rod c1, a dust sweeping head c2 and a rotating shaft c3, the rear end of the deflecting rod c1 is movably connected with the outer wall of the rotating shaft c3, one side of the rotating shaft c3 is inserted into the front end of the elastic sheet a1, and the front end of the deflecting rod c1 is fixedly connected with the rear end of the dust sweeping head c 2.
In this embodiment, when the grouting pipe 3 is inserted into the crack between the door and the wall, the scraping piece a2 rubs against the inner wall of the crack to clean off loosened cement particles or impurities, and due to the squeezing force of the front end, the deflecting rod c1 at the front end of the deflecting piece a5 deflects around the rotating shaft c3, pushing the impurities in the crack to the rear end, as the filler is continuously poured into the crack through the front end of the grouting head 301, the deflecting piece a5 continues to deflect due to the pressure of the front end and the filler, during the deflection of the rear end, the ash sweeping head c2 pushes the impurities into the zigzag cavity of the elastic piece a1, when the deflecting rod c1 deflects to the rearmost end, the deflecting rod is pushed by the front end of the elastic piece a1, and cannot continue to deflect due to the squeezing of the filler at the front end, so as to block the front end of the cavity of the elastic piece a1 containing the impurities, and prevent the impurities from entering the filler at the front end, and finally, the grouting pipe 3 is pushed out of the crack, the deflecting piece a5 deflects due to gravity to open the zigzag hollow cavity at the front end of the elastic sheet a1, and the sundries are taken out of the crack.
The working principle of the gate crack grouting machine for architectural decoration is described in detail below.
As shown in FIGS. 1-6, when grouting is required to be performed around the door body, the grouting pipe 3 is firstly plugged into a crack between the door body and the wall body, the pull head a4 is pulled to the rear end, the scraping piece a2 is pulled through the pull rope a3, the upper end and the lower end of the elastic piece a1 are pulled to be closed, then the front end of the grouting pipe 3 is slowly extended into the crack, when the front end of the grouting pipe 3 enters the rear release pull head a4, the elastic piece a1 restores elastic deformation to tightly attach the scraping piece a2 and the upper wall and the lower wall of the crack, then the motor 1 is opened and the filling material is filled into the barrel 2, the filling material is pushed forwards in the rubber pipe 30 by the motor 1, the inner wall pressure is increased due to more and more filling material in the rubber pipe 30, when the filling material reaches the rear end of the grouting head 301, the rear end of the stainless steel sheet 5 at the rear end of the grouting head 301 is squeezed due to the pressure, the stainless steel sheet b5 is pushed to move towards the front end and generate elastic deformation, the sliding part b4 fixed at one end of the stainless steel sheet b5 is also driven to slide along the inner wall of the shell b2, and when the stainless steel sheet b5 and the sliding part b4 move towards the front end, the ejector part b1 also ejects the shell b2 towards the front end, the filling material enters the crack through the through hole b3 through the inner wall of the shell b2, the ejector part b1 is ejected to be extruded with the filling material or the crack end at the front end, and with the increase of the filling material in the crack, the rubber pipe 30 and the grouting part 31 are pushed out of the inner wall of the crack due to the influence of reaction force, and the rapid filling of the crack is completed.
When the grouting pipe 3 is plugged into a crack between a door body and a wall body, the scraping piece a2 rubs against the inner wall of the crack to clean loose cement particles or impurities, the deflecting rod c1 at the front end of the deflecting piece a5 deflects by taking the rotating shaft c3 as a circle center under the action of front end extrusion force, the impurities in the crack are pushed to the rear end, the impurities are continuously filled into the crack through the front end of the grouting head 301 along with the filler, the deflecting piece a5 continuously deflects under the action of the pressure of the front end and the filler, the ash sweeping head c2 pushes the impurities into the bent cavity of the elastic sheet a1 in the process of deflecting to the rear end, the deflecting rod c1 is propped against the front end of the elastic sheet a1 when deflecting to the rearmost end, the deflecting rod cannot continuously deflect and displace due to the extrusion of the filler at the front end, the front end of the elastic sheet a1 filled with the impurities is blocked to prevent the impurities from entering the filler at the front end, and finally, the grouting pipe 3 is pushed out of the crack, the deflecting piece a5 deflects due to gravity to open the zigzag hollow cavity at the front end of the elastic sheet a1, and the sundries are taken out of the crack.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (4)
1. The utility model provides a door crack grouting machine for architectural decoration, includes motor (1), charging bucket (2), grout pipe (3) and base (4), its characterized in that: the right side of the bottom of the motor (1) is fixedly connected with the bottom of the feeding barrel (2), the right side of the bottom of the feeding barrel (2) is fixedly connected with one end of the grouting pipe (3), and the bottom of the motor (1) is fixedly connected with the top of the base (4);
the grouting pipe (3) comprises a rubber pipe (30) and a grouting piece (31), one end of the rubber pipe (30) is fixedly connected with the right side of the bottom of the base (4), and the outer wall of the rubber pipe (30) is movably connected with one side of the grouting piece (31);
the grouting piece (31) comprises a grouting head (301) and a seam-locking piece (302), the rear end of the grouting head (301) is inserted into the inner wall of the rubber pipe (30), one side of the grouting head (301) is provided with one side of the seam-locking piece (302), and the inner wall of one side of the seam-locking piece (302) is movably connected with the outer wall of the rubber pipe (30);
the seam-locking piece (302) comprises an elastic sheet (a1), a scraping piece (a2), a pull cable (a3), a pull head (a4) and a deflection piece (a5), wherein the inner wall of the front end of the elastic sheet (a1) is sleeved with the outer wall of a rubber tube (30), the upper end and the lower end of the elastic sheet (a1) are fixedly connected with the scraping piece (a2), one side of the scraping piece (a2) is fixedly connected with one end of the pull cable (a3), the other end of the pull cable (a3) is fixedly connected with the front end of the pull head (a4), and the front end of the elastic sheet (a1) is movably connected with the rear end of the deflection piece (a 5).
2. The door crack grouting machine for architectural decoration according to claim 1, characterized in that: the deflecting piece (a5) comprises a deflecting rod (c1), a dust sweeping head (c2) and a rotating shaft (c3), the rear end of the deflecting rod (c1) is movably connected with the outer wall of the rotating shaft (c3), one side of the rotating shaft (c3) is inserted into the front end of the elastic sheet (a1), and the front end of the deflecting rod (c1) is fixedly connected with the rear end of the dust sweeping head (c 2).
3. The door crack grouting machine for architectural decoration according to claim 1, characterized in that: grout head (301) is including ejecting (b1), casing (b2), slider (b4) and stainless steel piece (b5), the front end of ejecting (b1) is pegged graft with the front end of casing (b2), through-hole (b3) have evenly been seted up to the outer wall of casing (b2), the rear end of ejecting (b1) and the one end fixed connection of stainless steel piece (b5), the other end of stainless steel piece (b5) and the one end fixed connection of slider (b4), the other end of slider (b4) and the inner wall swing joint of casing (b 2).
4. The door crack grouting machine for architectural decoration according to claim 3, characterized in that: the two sides of the shell (b2) are provided with the front ends of the seam clamping pieces (302), and the outer wall of the rear end of the shell (b2) is connected with the rubber pipe (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010856.7A CN112814386B (en) | 2021-01-06 | 2021-01-06 | Door crack grouting machine for architectural decoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010856.7A CN112814386B (en) | 2021-01-06 | 2021-01-06 | Door crack grouting machine for architectural decoration |
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| Publication Number | Publication Date |
|---|---|
| CN112814386A CN112814386A (en) | 2021-05-18 |
| CN112814386B true CN112814386B (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110010856.7A Active CN112814386B (en) | 2021-01-06 | 2021-01-06 | Door crack grouting machine for architectural decoration |
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| Country | Link |
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| CN (1) | CN112814386B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9801654D0 (en) * | 1998-05-08 | 1998-05-08 | Daloc Ab | Door device with fire protection function |
| CN204728711U (en) * | 2015-05-23 | 2015-10-28 | 黄慎想 | A kind of grouting machine |
| CN210658751U (en) * | 2019-05-10 | 2020-06-02 | 青岛亿联集团股份有限公司 | Waterproof slip casting embedded pipe of overlength underground structure |
| CN111501760A (en) * | 2020-04-30 | 2020-08-07 | 安徽省公路桥梁工程有限公司 | Side grouting device and side grouting process for cast-in-situ bored pile |
| CN211473489U (en) * | 2019-09-20 | 2020-09-11 | 龚胜辉 | Concrete gap grouting device |
-
2021
- 2021-01-06 CN CN202110010856.7A patent/CN112814386B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9801654D0 (en) * | 1998-05-08 | 1998-05-08 | Daloc Ab | Door device with fire protection function |
| CN204728711U (en) * | 2015-05-23 | 2015-10-28 | 黄慎想 | A kind of grouting machine |
| CN210658751U (en) * | 2019-05-10 | 2020-06-02 | 青岛亿联集团股份有限公司 | Waterproof slip casting embedded pipe of overlength underground structure |
| CN211473489U (en) * | 2019-09-20 | 2020-09-11 | 龚胜辉 | Concrete gap grouting device |
| CN111501760A (en) * | 2020-04-30 | 2020-08-07 | 安徽省公路桥梁工程有限公司 | Side grouting device and side grouting process for cast-in-situ bored pile |
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| Publication number | Publication date |
|---|---|
| CN112814386A (en) | 2021-05-18 |
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