CN110107063A - Unilateral apparatus of plastering for small space - Google Patents
Unilateral apparatus of plastering for small space Download PDFInfo
- Publication number
- CN110107063A CN110107063A CN201910414848.1A CN201910414848A CN110107063A CN 110107063 A CN110107063 A CN 110107063A CN 201910414848 A CN201910414848 A CN 201910414848A CN 110107063 A CN110107063 A CN 110107063A
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- CN
- China
- Prior art keywords
- hopper
- shovel
- small space
- unilateral
- ash
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/14—Implements for applying plaster, insulating material, or the like in shafts, e.g. chimneys
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of unilateral apparatus of plastering for small space, the support frame that can be slided up and down at least two opposed inner walls of small space and under external force pulling can be supported on including one, it is fixedly installed with the hopper that a lower end is inclined outwardly in the wherein side of support frame, the hopper is the box body that a lower end has discharge port；It is equipped with a flexible concrete conveying pipeline in the upper end of hopper, the upper end of the flexible concrete conveying pipeline is connected with blender, and lower end is protruded into hopper；One ash shovel is installed in the lower end of hopper, the ash shovel is in spade, is made of shovel board and the baffle for being located at shovel board two sides, the upper end of the shovel board is mounted on hopper inside the discharge opening, and lower end is inclined outwardly；Concrete is entered in flexible concrete conveying pipeline by blender, and flows to hopper under the action of concrete gravity, uniformly flows to ash shovel by the discharge port of hopper, is shoveled by ash to flue or the plastering of ventilating shaft inner wall.
Description
Technical field
The present invention relates to a kind of apparatus of plastering, and in particular to a kind of unilateral apparatus of plastering for small space.
Background technique
During room is built, need to plaster to places such as flue, ventilating shaft, metopes, with effectively to metope, flue,
The surfaces such as ventilating shaft form effective protection, prevent the surface of each position from the phenomenon that sagging, fall off, crack occur.Plastering at present
Mainly by manually plastering, the phenomenon that low, construction quality that there are construction efficiency cannot ensure.To solve this problem,
Also there is the automatic device much for plastering to metope, but above-mentioned apparatus volume is larger, and can only smear for metope
Ash may not apply to the flue of small space, plaster at ventilating shaft.
For these reasons, application human desires designs a kind of small in size, easy to operate, and can be applied to small space plastering
Device.To fill up the blank of small space apparatus of plastering, the construction efficiency and construction quality of worker are improved, leakage is avoided to smear phenomenon
Generation.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide it is a kind of small in size,
It is easy to operate, and can be applied to the unilateral apparatus of plastering for small space of small space plastering.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of unilateral apparatus of plastering for small space, which is characterized in that it, which includes one, can be supported on small space
In at least two opposed inner walls and can under external force pulling the support frame that slide up and down, fixed in the wherein side of support frame
The hopper that one lower end is inclined outwardly is installed, the hopper is the box body that a lower end has discharge port；In the upper of hopper
End is equipped with a flexible concrete conveying pipeline, when use the flexible concrete conveying pipeline upper end and the blender of adapted be connected
Logical, lower end is protruded into hopper；One ash shovel is installed in the lower end of hopper, the ash shovel is in spade, by shovel board and is located at shovel board two
The baffle of side forms, and the upper end of the shovel board is mounted on hopper inside the discharge opening, and lower end is inclined outwardly；Concrete enters soft
Property concrete conveying pipeline in, and flow to hopper under the action of concrete gravity, uniformly flow to ash shovel by the discharge port of hopper,
It is shoveled by ash to flue or the plastering of ventilating shaft inner wall.In this way, in use, apparatus of plastering is placed in flue or ventilating shaft to be plastered,
And concrete is injected into flexible concrete conveying pipeline, support frame is pulled then up, since hopper is fixedly mounted on support frame
Side, after support frame moves up, hopper can also move up together therewith.During moving up, concrete is defeated through flexible concrete
Expects pipe enters in hopper, while uniformly flowing to discharge outlet under the guidance that self weight and hopper are obliquely installed, and enters ash
In shovel, then concrete is put on flue or ventilating shaft inner wall by the shovel board through ash shovel.This apparatus of plastering structure is simple, when plastering only
Support frame need to be pulled up, it is easy to operate.In addition, hopper is obliquely installed be not only able to convenient for guiding concrete to
Lower flowing, after being set to box body, additionally it is possible to concrete be concentrated at hopper, when preventing concrete excessive through hopper, mixed
Solidifying soil overflows inside and outside hopper, causes the waste of concrete.
Further, support frame as described above includes that a upright bar and two are spaced the cross tube and sheer pole being mounted in upright bar,
The cross tube and sheer pole are in crossing distribution；Slide assemblies on one are separately installed in the left and right ends of cross tube, it is described
Wherein one end of sheer pole is fixedly installed with slide assemblies, and the other end is fixedly connected with shovel board.In this way, when in use, branch
Wherein three face inner walls of the slide assemblies of cross tube and sheer pole end in support respectively with flue or ventilating shaft offset, ash shovel
Lower end and another inner wall of flue or ventilating shaft offset, and support to form four sides to hopper, it is ensured that hopper remains steady.And
The slide assemblies of setting not only facilitated support frame to slide up and down, but also can ensure hopper smelting held stationary during moving up.
Further, it is fixedly installed with a hanging ring on the top of upright bar, a drawstring is fixed on hanging ring, drawn by pulling
Rope can drive support frame and hopper to move up.In this way, the drawstring being arranged in upright bar can be reduced convenient for drawing high to support frame
The self weight of support frame.
Further, the upright bar, cross tube and sheer pole are telescopic rod piece, wherein cross tube and sheer pole are equal
Including the screwed mobile jib in a both ends, a screw shell and screw rod, the screw thread are equipped in the left and right ends of each mobile jib
Sleeve is threadedly coupled with mobile jib end and screw shell.In this way, can be convenient for after cross tube, sheer pole are set as telescopic structure
Adjustment of the later period to cross tube and sheer pole length makes support frame can adapt to the use of various specifications flue or ventilating shaft plastering.
And after the left and right ends of cross tube and sheer pole are all provided with stretching structure, and then length can be adjusted from four direction, so that vertical
Bar is maintained at center, more convenient when drawing high.
Further, the upper slide assemblies and lower slider component by a connecting rod and are mounted on connecting rod left and right ends
Two idler wheels composition, wherein be fixedly connected in the middle part of the connecting rod of upper slide assemblies with cross tube end, the company of lower slider component
It is fixedly connected in the middle part of extension bar with sheer pole end.In this way, idler wheel set on slide assemblies when in use with flue or wind
The side wall of well offsets, and it can be driven to roll on the side wall of flue or ventilating shaft after operator pulls support frame.
Further, a vibrator is installed on upright bar lower end, sheer pole, the vibrator is fixedly mounted on upright bar
On, and lower end is affixed with sheer pole.In this way, setting vibrator after, under the vibration of vibrator, will drive be fixed on sheer pole its
The ash shovel of middle one end and the hopper being mounted on ash shovel vibrate therewith together, so that the concrete at hopper and grey shovel is shaking
More uniform, the purpose that realization is uniformly plastered of dynamic lower distribution.
Further, the ash shovel is installed in rotation on the lower end of hopper, what the shovel board upper end of ash shovel and hopper were located at
End is connected by hinge inside the discharge opening.In this way, sheer pole can push the ash being attached thereto after the length for adjusting sheer pole
Shovel rotation, and be affixed with flue adjacent thereto or ventilating shaft inner wall.
Further, the hopper includes spaced inside inclined plate and outside inclined plate, the upper end of the inside inclined plate
Be fixedly mounted in the upright bar of support frame, outside inclined plate and inside inclined plate be in opposite face, on the outside inclined plate and inside inclined plate it
Between be equipped with two pieces of drainage plates, the lower end of two drainage plates is inclined outwardly setting, and the left and right sides of drainage plate respectively with outer skew back
Plate is fixedly connected with the side of inside inclined plate；The discharge port of hopper is in rectangle, and hopper is all made of steel plate with ash shovel or iron plate is made.
In this way, hopper and ash shovel intensity are preferable, it is able to bear the self weight of concrete.The inside inclined plate of hopper can lead concrete
The effect of stream, inclined plate can be avoided wall friction in outside inclined plate and flue or ventilating shaft, influence in after angularly disposed on the outside of concrete
Hopper and support frame move up, while also having the characteristics that increase hopper service life.
Compared with prior art, the unilateral apparatus of plastering for small space that the present invention obtains has the advantages that
1, by hanging onto apparatus of plastering in flue or ventilating shaft, and coagulation is injected into hopper by flexible concrete conveying pipeline
After soil, can continue upward pull support frame by way of so that hopper and ash shovel synchronize move up, ash shovel during moving up
It is close to flue or ventilating shaft inner wall, and then realizes plastering.
2, apparatus of plastering is mainly made of support frame and hopper, and structure is relatively simple, low manufacture cost, meanwhile, when operation
Only support frame, which need to be pulled up, can be realized plastering, easy to operate, can be promoted on a large scale.
3, hopper and ash shovel are oblique, are based on this, and concrete is directly passed through under self weight and the guidance of hopper
Discharge port slides on ash shovel, and flows to flue or ventilating shaft side-walls adjacent thereto under the guidance of ash shovel gradient, realizes mixed
The smearing of soil is coagulated, meanwhile, it is also equipped with vibrator on the support frame, concrete after vibration can be made uniform after vibrator vibration
Distribution, and it is more densely cross-linked, plastering effect is more preferable.
Detailed description of the invention
Fig. 1 is the schematic perspective view of unilateral apparatus of plastering in embodiment；
Fig. 2 is the use state diagram of unilateral apparatus of plastering in embodiment.
In figure: support frame 1, upright bar 11, cross tube 12, sheer pole 13, upper slide assemblies 14, lower slider component 15, hanging ring
16, hopper 2, inside inclined plate 21, drainage plate 22, outside inclined plate 23, discharge port 24, ash shovel 3, shovel board 31, baffle 32, flexible coagulation
Native conveying pipeline 4, drawstring 5, vibrator 6.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment:
As shown in Figure 1 and Figure 2, the unilateral apparatus of plastering provided in this embodiment for small space, including one can be supported on
In at least two opposed inner walls of small space and can under external force pulling the support frame 1 that slide up and down, in support frame 1
Wherein side is fixedly installed with the hopper 2 that a lower end is inclined outwardly, and the hopper 2 is the case that a lower end has discharge port 24
Type body；Be equipped with a flexible concrete conveying pipeline 4 in the upper end of hopper 2, when use the flexible concrete conveying pipeline 4 upper end
It is connected with the blender of adapted, lower end is protruded into hopper 2；One ash shovel 3 is installed in the lower end of hopper 2, the ash shovel 3 is in shovel
Shape is made of shovel board 31 and the baffle 32 for being located at 31 two sides of shovel board, and the upper end of the shovel board 31 is mounted on the discharge port 24 of hopper 2
Inside, lower end are inclined outwardly；Support frame as described above 1 includes that a upright bar 11 and two are spaced 12 He of cross tube being mounted in upright bar 11
Sheer pole 13, the cross tube 12 and sheer pole 13 are in crossing distribution；One is separately installed in the left and right ends of cross tube 12
Upper slide assemblies 14, wherein one end of the sheer pole 13 are fixedly installed with slide assemblies 15, and the other end and shovel board 31 are solid
Fixed connection；Concrete is entered in flexible concrete conveying pipeline 4 by blender when use, and under the action of concrete gravity
Hopper 2 is flowed to, ash shovel 3 is uniformly flowed to by the discharge port 24 of hopper 2, is plastered by ash shovel 3 to flue or ventilating shaft inner wall.
In order to reduce the weight of support frame 1, meanwhile, support frame 1 is drawn high convenient for the later period, it is solid on the top of upright bar 11
Dingan County is equipped with a hanging ring 16, and a drawstring 5 is fixed on hanging ring 16, by pulling drawstring 5 that can drive support frame 1 and hopper 2
It moves up.In order to realize at the uniform velocity pull drawstring 5 purpose, in the specific implementation, the drawstring 5 use wirerope, wirerope it is upper
End is placed in hoist engine, is drawn high by hoist engine to support frame 1.As shown in Fig. 2, being drawn when specifically used in order to reduce
The suffered friction of rope 5, simultaneously, it is ensured that drawstring 5 is maintained at the center of flue or ventilating shaft, in flue or ventilating shaft mouth upper end installation one
The installation cross bar in flue or ventilating shaft is protruded into end, and in one pulley 7 of installation cross bar end installation, installation, it should be ensured that installation
Cross bar end is in flue or ventilating shaft center.When transferring to support frame 1 and hopper 2 in flue, drawstring 5 need to be bypassed
It is transferred again after pulley 7.Likewise, flexible concrete conveying pipeline 4 before also Ying Yu hopper 2 is transferred together, bypasses pulley 7.
In order to adapt to the flue of various length-width ratios or the length and width of ventilating shaft so that support frame any length-width ratio flue or
It can offset with flue or ventilating shaft inner wall in ventilating shaft, realize sliding and preliminary fixed, upright bar 11, cross tube 12 and sheer pole 13
It is telescopic rod piece, wherein cross tube 12 and sheer pole 13 are including the screwed mobile jib in a both ends, in each mobile jib
Left and right ends are equipped with a screw shell and screw rod, and the screw shell is threadedly coupled with mobile jib end and screw shell.Relatively
It answers, for the adjustment for realizing ash shovel 3 synchronous after cross tube 12,13 length adjustment of sheer pole, ash shovel 3 is installed in rotation on
The lower end of hopper 2,24 inner end of discharge port that 31 upper end of shovel board of ash shovel 3 is located at hopper 2 are connected by hinge.
Specifically, upper slide assemblies 14 and lower slider component 15 are by a connecting rod and are mounted on the two of connection left and right ends
A idler wheel composition, wherein it is fixedly connected in the middle part of the connecting rod of upper slide assemblies 14 with 12 end of cross tube, lower slider component 15
It is fixedly connected in the middle part of connecting rod with 13 end of sheer pole.
In addition, in order to ensure the compactness of concrete, simultaneously, it is ensured that concrete is uniformly distributed, and is abound in shovel board 31,
One vibrator 6 is installed, the vibrator 6 is fixedly mounted in upright bar 11, and lower end is under on 11 lower end of upright bar, sheer pole 13
Cross bar 13 is affixed.
Specifically, the hopper 2 in the present embodiment includes spaced inside inclined plate 21 and outside inclined plate 23, the inside
The upper end of inclined plate 21 is fixedly mounted in the upright bar 11 of support frame 1, and outside inclined plate 23 and inside inclined plate 21 are in opposite face, outside
Two pieces of drainage plates 22 are equipped between skew back plate 23 and inside inclined plate 21, the lower end of two drainage plates 22 is inclined outwardly setting, and draws
The left and right sides of flowing plate 22 is fixedly connected with the side of outside inclined plate 23 and inside inclined plate 21 respectively；The discharge port 24 of hopper 2 is in
Rectangle, hopper 2 is all made of steel plate with ash shovel 3 or iron plate is made.
It, can be in hopper 2 when specifically used by being welded and fixed between hopper 2 in the present embodiment and upright bar 11
It is fixed on skew back plate 21 to set a fastening cylinder, and hopper 2 is installed by the way that fastening cylinder is covered the mode in upright bar 11.It is further right
Hopper 2 is fixed, and need to be fixed in upright bar 11 after fastening cylinder with puller bolt.In this way, between hopper 2 and support frame 1
As detachable fixation, so that in the specific use process, different rule can be corresponded to by replacing the hopper 2 of different size
The plastering width of lattice flue or ventilating shaft.
Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, although applicant describes the invention in detail referring to preferred embodiment, those skilled in the art should be managed
Solution, modification or equivalent replacement of the technical solution of the present invention are made for those, without departing from the objective and range of the technical program,
It is intended to be within the scope of the claims of the invention.
Claims (9)
1. a kind of unilateral apparatus of plastering for small space, which is characterized in that it, which includes one, can be supported on small space
At least two opposed inner walls on and can under external force pulling the support frame (1) that slide up and down, support frame (1) wherein
Side is fixedly installed with the hopper (2) that a lower end is inclined outwardly, and the hopper (2) is that a lower end has discharge port (24)
Box body；Be equipped with a flexible concrete conveying pipeline (4) in the upper end of hopper (2), when use the flexible concrete conveying pipeline
(4) blender of upper end and adapted is connected, and lower end is protruded into hopper (2)；One ash shovel is installed in the lower end of hopper (2)
(3), the ash shovel (3) is in spade, is made of shovel board (31) and the baffle (32) for being located at shovel board (31) two sides, the shovel board (31)
Upper end be mounted on the inside of the discharge ports (24) of hopper (2), lower end is inclined outwardly；Concrete enters flexible concrete conveying pipeline
(4) in, and hopper (2) are flowed under the action of concrete gravity, uniformly flow to ash shovel by the discharge port (24) of hopper (2)
(3), (3) are shoveled by ash to plaster to flue or ventilating shaft inner wall.
2. the unilateral apparatus of plastering according to claim 1 for small space, which is characterized in that support frame as described above (1)
The cross tube (12) and sheer pole (13) that are mounted on upright bar (11), the cross tube are spaced including a upright bar (11) and two
(12) and sheer pole (13) is in crossing distribution；Slide assemblies on one are separately installed in the left and right ends of cross tube (12)
(14), wherein one end of the sheer pole (13) is fixedly installed with slide assemblies (15), and the other end and shovel board (31) are fixed
Connection.
3. the unilateral apparatus of plastering according to claim 2 for small space, which is characterized in that on the top of upright bar (11)
End is fixedly installed with a hanging ring (16), and a drawstring (5) are fixed on hanging ring (16), by pulling drawstring (5) can drive branch
Support (1) and hopper (2) move up.
4. the unilateral apparatus of plastering according to claim 2 or 3 for small space, which is characterized in that the upright bar
(11), cross tube (12) and sheer pole (13) are telescopic rod piece, wherein cross tube (12) and sheer pole (13) are including one
The screwed mobile jib in both ends is equipped with a screw shell and screw rod in the left and right ends of each mobile jib, the screw shell with
Mobile jib end and screw shell are threadedly coupled.
5. the unilateral apparatus of plastering according to claim 4 for small space, which is characterized in that the upper slide assemblies
(14) it is made of a connecting rod with two idler wheels for being mounted on connection left and right ends with lower slider component (15), wherein upper to slide
It is fixedly connected in the middle part of the connecting rod of dynamic component (14) with cross tube (12) end, in the middle part of the connecting rod of lower slider component (15) under
Cross bar (13) end is fixedly connected.
6. the unilateral apparatus of plastering according to claim 2 or 3 for small space, which is characterized in that in upright bar (11)
Be equipped with a vibrator (6) on lower end, sheer pole (13), the vibrator (6) is fixedly mounted on upright bar (11), and lower end with
Sheer pole (13) is affixed.
7. the unilateral apparatus of plastering according to claim 2 or 3 for small space, which is characterized in that the ash shovel (3)
It is installed in rotation on the lower end of hopper (2), the discharge port (24) that shovel board (31) upper end and hopper (2) of ash shovel (3) are located at is interior
Side is connected by hinge.
8. the unilateral apparatus of plastering according to claim 4 for small space, which is characterized in that the ash shovel (3) can
It is rotatably mounted at the lower end of hopper (2), discharge port (24) inside that shovel board (31) upper end and hopper (2) of ash shovel (3) are located at
End is connected by hinge.
9. the unilateral apparatus of plastering according to claim 7 for small space, which is characterized in that hopper (2) packet
Spaced inside inclined plate (21) and outside inclined plate (23) are included, the upper end of the inside inclined plate (21) is fixedly mounted on support frame
(1) in upright bar (11), outside inclined plate (23) and inside inclined plate (21) are in opposite face, on the outside inclined plate (23) and inside inclined plate
(21) two pieces of drainage plates (22) are equipped between, the lower end of two drainage plates (22) is inclined outwardly setting, and a left side for drainage plate (22)
Right two sides are fixedly connected with the side of outside inclined plate (23) and inside inclined plate (21) respectively；The discharge port (24) of hopper (2) is in square
Shape, hopper (2) and ash shovel (3) are all made of steel plate or iron plate is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414848.1A CN110107063B (en) | 2019-05-17 | 2019-05-17 | A unilateral plastering unit for narrow and small space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414848.1A CN110107063B (en) | 2019-05-17 | 2019-05-17 | A unilateral plastering unit for narrow and small space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107063A true CN110107063A (en) | 2019-08-09 |
| CN110107063B CN110107063B (en) | 2020-11-17 |
Family
ID=67490782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910414848.1A Active CN110107063B (en) | 2019-05-17 | 2019-05-17 | A unilateral plastering unit for narrow and small space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107063B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482290A (en) * | 2021-06-28 | 2021-10-08 | 五冶集团上海有限公司 | Plastering tool suitable for narrow space |
| CN114232951A (en) * | 2022-01-07 | 2022-03-25 | 陕西建工集团股份有限公司 | Trowel suitable for narrow pipe shaft |
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| CN85103936A (en) * | 1985-05-16 | 1986-07-02 | 古飞 | Artifitial mountain-like basin |
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| DE69519567T2 (en) * | 1994-05-04 | 2001-04-05 | Action Products Marketing Corp., Johnston | METHOD AND DEVICE FOR SPRAYING MORTAR ON THE INNER WALL OF A MAN'S HOLE |
| US7302779B2 (en) * | 2003-07-17 | 2007-12-04 | Jay Endre | Method and apparatus for masonry chimney flue repair |
| CN201184051Y (en) * | 2008-04-07 | 2009-01-21 | 李长丰 | Plastering machine |
| CN204052301U (en) * | 2014-07-31 | 2014-12-31 | 辽宁工程技术大学 | A kind of inwall vertical type corrosion protection apparatus |
| CN208168279U (en) * | 2018-04-16 | 2018-11-30 | 吴奉军 | The hand-held vibration mechanical float of suspension type |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103936A (en) * | 1985-05-16 | 1986-07-02 | 古飞 | Artifitial mountain-like basin |
| CN1073233A (en) * | 1992-12-21 | 1993-06-16 | 天津大学 | Prevent chimney smoke leakage internal spray repairing method and equipment |
| DE69519567T2 (en) * | 1994-05-04 | 2001-04-05 | Action Products Marketing Corp., Johnston | METHOD AND DEVICE FOR SPRAYING MORTAR ON THE INNER WALL OF A MAN'S HOLE |
| US7302779B2 (en) * | 2003-07-17 | 2007-12-04 | Jay Endre | Method and apparatus for masonry chimney flue repair |
| CN201184051Y (en) * | 2008-04-07 | 2009-01-21 | 李长丰 | Plastering machine |
| CN204052301U (en) * | 2014-07-31 | 2014-12-31 | 辽宁工程技术大学 | A kind of inwall vertical type corrosion protection apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482290A (en) * | 2021-06-28 | 2021-10-08 | 五冶集团上海有限公司 | Plastering tool suitable for narrow space |
| CN114232951A (en) * | 2022-01-07 | 2022-03-25 | 陕西建工集团股份有限公司 | Trowel suitable for narrow pipe shaft |
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| Publication number | Publication date |
|---|---|
| CN110107063B (en) | 2020-11-17 |
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