CN114535243A - Slurry recovery device and recovery method in building wall plastering construction - Google Patents
Slurry recovery device and recovery method in building wall plastering construction Download PDFInfo
- Publication number
- CN114535243A CN114535243A CN202210209264.2A CN202210209264A CN114535243A CN 114535243 A CN114535243 A CN 114535243A CN 202210209264 A CN202210209264 A CN 202210209264A CN 114535243 A CN114535243 A CN 114535243A
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- slurry
- plastering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
A slurry recovery device and a slurry recovery method for a building wall plastering project comprise a plurality of collection boxes and shaping rods, wherein each collection box comprises two end plates, a flexible side wall and a flexible bottom plate, the flexible side wall and the flexible bottom plate are positioned between the two end plates, the flexible side walls and the flexible bottom plates jointly form a collection cavity of the collection box, the adjacent two collection boxes are detachably connected together through the end plates, and plug holes are formed in the end plates on the outer sides of the collection boxes positioned at the two ends; the shaping rod comprises a flow guide rod and inserting pins arranged at two ends of the flow guide rod, and the inserting pins at the two ends of the flow guide rod can be respectively placed into the inserting holes of the collecting boxes at the two ends; the invention not only can realize timely collection of slurry, but also can prevent falling slurry from being accumulated into larger block diameter to be not beneficial to subsequent crushing utilization.
Description
Technical Field
The invention relates to the field of buildings, in particular to a recovery device and a recovery method for slurry in plastering construction of a building wall.
Background
Along with the improvement of living standard of people, the living area of people is continuously enlarged and the living environment is improved, the industrial and civil buildings are developed very rapidly, the building vertical face is changed greatly, the forms are various, the varieties of building materials and decorative materials are increasingly diversified, the wall plastering project is the last process of the whole building construction project, and the plastering project is a decoration project of the traditional method of coating mortar on the wall, the ground, the ceiling and the surface of a house building.
The plastering engineering refers to a system construction process which uses the plastering slurry to be smeared on the surface of a substrate material, has the functions of protecting the substrate and improving the appearance and provides special functions for buildings. The plastering engineering has two major functions: the wall has the advantages that firstly, the wall is protected from being eroded by wind, rain and snow, the moistureproof, weatherproof and heat insulation capabilities of the wall are improved, and the durability and thermal performance of the wall are improved; and secondly, the functions of beautifying, improving indoor sanitary conditions, purifying air, beautifying the environment and improving the living comfort level are realized.
In the plastering construction process, plastering slurry falling from a wall usually directly falls at the wall root of a construction wall, the falling plastering slurry is usually gathered at the wall root to be condensed or semi-condensed, and finally, the plastering slurry is condensed to form a cement block with larger block diameter; because the block footpath of the cement piece of setting is great, and the area of contact of cement piece and wall and ground is big promptly for the cement piece after the setting peels off from ground and wall and becomes more difficult, in addition, when carrying out the cement piece material recycle that drops from the wall body and solidify, because the cement piece footpath is great, the degree of difficulty when increasing the breakage after retrieving leads to recovery efficiency not high.
Chinese patent document CN112252666B discloses a wall plastering material recovery device and recovery method for building construction, which is characterized in that a recovery device is arranged at the bottom of a wall, plastering materials directly drop on the surface of the recovery device, then the lubricating oil in a self-lubricating patch effectively helps the plastering materials to descend, the aggregation of the plastering materials at the wall root is reduced, meanwhile, after the self-expanding movable ball and the sizing movable ball with different magnetism are impacted, the plastering materials which drop can move and vibrate, the plastering materials which drop are loosened, the block diameter of the plastering materials during recovery is not too large, but the fallen plastering materials can not be collected, in addition, the technical scheme contains a large amount of lubricating oil and spherical parts with different magnetism, and high-temperature gas and the like need to be repeatedly flushed, so that the scheme cost is high and the construction difficulty is large.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a recovery device and a recovery method for timely recovering slurry falling in the plastering process in the plastering engineering of a building wall, which are used for overcoming the defects in the prior art.
In order to achieve the purpose, the invention adopts the specific scheme that: a slurry recovery device for a building wall plastering project comprises a plurality of collecting boxes and a shaping rod, wherein each collecting box comprises two end plates, a flexible side wall and a flexible bottom plate, the flexible side wall and the flexible bottom plate are positioned between the two end plates, the flexible side walls and the flexible bottom plates jointly form a collecting cavity of the collecting box, the adjacent two collecting boxes are detachably connected together through the end plates, and inserting holes are formed in the end plates on the outer sides of the collecting boxes positioned at the two ends; the shaping rod comprises a plate-shaped guide rod and bolts arranged at two ends of the guide rod, and the bolts at two ends of the guide rod can be respectively placed into the inserting holes of the collecting boxes at two ends; an elastic membrane for dividing the collection cavity into two cavities is arranged between the two flexible side walls, the two framework plates are arranged on the flexible side walls side by side, an elastic pull rope is arranged between the two framework plates, and the elastic pull rope is fixed on one side, close to the end plate, of the framework plate.
Preferably, the adjacent two collecting boxes are connected through a snap connection or a bolt connection.
Preferably, the two connected end plates are provided with material guiding plugs, and two sides of each material guiding plug are respectively provided with a material guiding inclined plane.
Preferably, the inner wall of the end plate is adhered with a smooth film.
Preferably, two side edges of the elastic membrane are respectively connected to the middle parts of the two flexible side walls, and the bottom of the elastic membrane is connected with the flexible bottom plate.
Preferably, the cross section of water conservancy diversion pole is right triangle, and the bolt is installed on the terminal surface at the right-angle side place of water conservancy diversion pole.
Preferably, the vertex angle of the right triangle is 15-45 °.
Preferably, the guide rod comprises an outer rod body, an inner core and a locking bolt, the inner core is slidably arranged in the outer rod body in a penetrating mode and can be locked with the outer rod body through the locking bolt, and the two bolts are arranged at the end portions of the outer rod body and the inner core respectively.
Preferably, the outer end plates of the collecting boxes at the two ends are provided with support rods below, and pulleys are arranged at the bottoms of the support rods.
A method for recycling slurry of plastering engineering of building walls by using a recycling device comprises the following steps:
s1, estimating the width of the building wall, determining a proper number of collecting boxes and assembling the collecting boxes together, stretching the whole recovery device to an unfolded state by pulling the collecting boxes at two ends, and then placing the bolts of the shaping rods into the inserting holes of the collecting boxes at two ends to finish the shaping of the recovery device;
s2, attaching the diversion rod of the recovery device to the building wall, and enabling slurry falling from the building wall to fall into a collection cavity of a collection box to collect the slurry;
s3, removing the shaping rod after construction, enabling the collection box to contract under the combined action of the elastic pull rope, the elastic membrane and the flexible side wall, pre-tightening the slurry in the collection box, transferring the collected slurry to a preset position, and placing;
s4, when the slurry in the box to be collected is in a semi-condensation state or a condensation state, pouring out the slurry in the box to be collected, carrying out subsequent recycling, and finally respectively storing the box to be collected and the shaping rod.
Has the advantages that:
1. according to the device for recovering the slurry in the building wall plastering construction, the slurry falling in the building wall plastering engineering directly falls into the collecting cavity of the collecting box, the collecting cavity of the collecting box is divided into two chambers by the elastic membrane, the falling slurry is prevented from being accumulated together to form a larger block diameter, the slurry falling into the flexible side wall vibrates under the action of gravity, the slurry positioned on the flexible side wall is shaken off, and the slurry is convenient to clean after collection.
2. According to the device for recovering the slurry in the plastering construction of the building wall, disclosed by the invention, the cross section of the guide rod is of a right-angled triangle structure, the slurry falling from the building wall slides into the collection cavity along the inclined surface of the guide rod, and the recovery efficiency of the device for recovering the slurry in the plastering construction of the building wall is improved.
3. According to the device for recovering the slurry in the plastering construction of the building wall, the two connected end plates are provided with the guide jacks, and the falling slurry slides into the collecting cavity along the two inclined surfaces of the guide jacks, so that the falling slurry can be prevented from being accumulated on the end plates.
4. The recovery method of the slurry recovery device in the plastering construction of the building wall can select the collection boxes with required sizes according to the width of the wall body which is required to be lapped and detachably spliced through the end plates, meets the slurry recovery requirements of the wall bodies with various sizes, separates the plurality of spliced collection boxes from the shaping frame after recovery is finished, enables the plurality of spliced collection boxes to shrink under the elastic action of the elastic pull ropes, the elastic membrane and the flexible side walls, can respectively place the plurality of shrunk collection boxes and the shaping frame, improves the storage efficiency and reduces the space occupied by storage.
Drawings
FIG. 1 is a schematic view of a partial structure of a single collection cassette of the present invention;
FIG. 2 is a schematic structural diagram of a shaping frame according to the present invention;
FIG. 3 is a schematic structural diagram of a plurality of assembled collecting boxes according to the present invention;
FIG. 4 is a schematic view of the present invention in use;
FIG. 5 is a schematic view of the present invention after use with the sizing frame removed;
FIG. 6 is a schematic view of several of the pockets of the present invention in a collapsed configuration;
FIG. 7 is a cross-sectional view of FIG. 2;
in the figure: 1. the collecting box comprises a collecting box body 101, end plates 102, flexible side walls 103, framework plates 104, elastic membranes 105, inserting holes 106, elastic pull ropes 107, a flexible bottom plate 108, supporting rods 109, pulleys 2, a shaping frame 201, a guide rod 2011, an outer rod body 2012, an inner core 2013, a locking bolt 202, a bolt 3 and a material guide top.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein, but rather, these embodiments are provided for the purpose of providing a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
Example 1
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. As shown in fig. 1, 2, 4, 5, 6, and 7, a slurry recycling device for plastering engineering of building walls comprises a plurality of collecting boxes 1 and a shaping rod 2, wherein each collecting box 1 comprises two end plates 101, each end plate 101 is of a strip-shaped plate-shaped structure, a flexible side wall 102 and a flexible bottom plate 107 are arranged between the two end plates 101, the flexible side walls 102 and the flexible bottom plates 107 are of integrally formed structures made of rubber materials, the end plates 101, the flexible side walls 102 and the flexible bottom plates 107 jointly form a collecting cavity of the collecting box 1, and a smooth film is arranged on the inner wall of each end plate 101 to prevent falling slurry from being adhered to the inner wall of the end plate 101; two adjacent collecting boxes 1 are connected in series through an end plate 101, the two adjacent collecting boxes 1 can be connected in a buckling mode or a bolt mode, inserting holes 105 are formed in the end plates 101, located on the outer sides of the collecting boxes 1 at the two ends, and each end plate 101 on the outer side is provided with two inserting holes 105; the shaping rod 2 comprises a plate-shaped guide rod 201 and bolts 202 arranged at two ends of the guide rod 201, the cross section of the guide rod 201 is a right-angled triangle, the vertex angle of the right-angled triangle is 15-45 degrees, the bolts 202 are arranged on the end face where the right-angled side of the guide rod 201 is located, the bolts 202 at two ends of the guide rod 201 can be respectively placed into the insertion holes 105 of the collection boxes 1 at two ends, and the shaping of the collection boxes 1 is realized by inserting the bolts 202 into the insertion holes 105.
An elastic membrane 104 which divides the collection cavity into two chambers is arranged between the two flexible side walls 102, two side edges of the elastic membrane 104 are respectively connected to the middle parts of the two flexible side walls 102, and the bottom of the elastic membrane 104 is connected with a flexible bottom plate 107.
Two frame plates 103 are arranged on the flexible side wall 102 side by side, an elastic pull rope 106 is arranged between the two frame plates 103, the elastic pull rope 106 is fixed on one side, close to the end plate 101, of the frame plate 103, the opening angle of the frame plate 103 is adjusted under the action of the elastic pull rope 106, the frame plate 103 is attached to the flexible side wall 102, the flexible side wall 102 can keep a certain shape in an unfolding state, the shaping effect of the flexible side wall 102 is achieved, in addition, the frame plate 103 provides a fixed point for the elastic pull rope 106, the elastic pull rope 106 recovers to an initial contraction state under the condition that the collecting box 1 loses the external force effect, and the structure can meet the requirements for collecting slurry and collecting the device.
Example 2
This embodiment is an improved scheme based on embodiment 1, and the main structure thereof is the same as embodiment 1, and the improvement point is that: as shown in fig. 3, the draft bar 201 is composed of an outer bar 2011, an inner core 2012 and a locking bolt 2013, the inner core 2012 is slidably disposed in the outer bar 2011 and can be locked with the outer bar 2011 by the locking bolt 2013, the two bolts 202 are respectively disposed at the ends of the outer bar 2011 and the inner core 2012, and especially in continuous operation, when the distance between the insertion holes (105) on the outer end plates 101 of the collection boxes 1 at the two ends of the collection boxes 1 to be installed is changed, the fine adjustment of the distance between the two bolts 202 is realized by adjusting the position of the inner core 2012 on the outer bar 2011, so that the application scenario of the device is increased.
Example 3
This embodiment is an improved scheme based on embodiment 1, and the main structure thereof is the same as embodiment 1, and the improvement point is that: as shown in fig. 3, the outside end plate 101 of the collection box 1 of two ends is provided with support rods 108 below, wherein each of the outside end plate 101 is provided with two support rods 108 below, in order to realize the bottom end of the collection chamber of the collection box 1 is off the ground, so that the collection chamber can contain more slurry falling off from the building wall, pulleys 109 are installed at the bottom of the support rods 108, and the pulleys 109 adopt universal wheel structures, so that the slurry recovery device for the building plastering wall engineering can be moved conveniently.
Example 4
This embodiment is an improved scheme based on embodiment 1, and the main structure thereof is the same as embodiment 1, and the improvement point is that: as shown in fig. 3, two of the end plates 101 connected to each other are provided with a material guiding plug 3, two sides of the material guiding plug 3 are respectively provided with a material guiding inclined surface, the cross section of the material guiding plug 3 is of an equiangular triangle structure, and the vertex angle of the equiangular triangle is 60-140 degrees, so that slurry falling off from a building wall can slide into the collecting cavity along the material guiding inclined surface of the material guiding plug 3, and the slurry falling off is prevented from being accumulated on the end plate 101 located between the two collecting boxes 1.
Example 5
A recovery method of a slurry recovery device for plastering engineering of building walls comprises the following steps:
s1, estimating the width of the building wall, determining a proper number of collecting boxes 1 according to the distance between the two end plates 101 when the collecting boxes 1 are in an open state, namely the included angle of the two framework plates 103 is 180 degrees, assembling the collecting boxes together, stretching the whole recovery device to an unfolded state by pulling the collecting boxes 1 at the two ends, and then placing the bolts 202 of the shaping rod 2 into the inserting holes 105 of the collecting boxes 1 at the two ends to finish the shaping of the recovery device;
s2, the diversion rod 201 of the recovery device is tightly attached to the building wall, and slurry falling from the building wall falls into a collection cavity of a collection box to realize collection of the slurry;
s3, after the construction is finished, the shaping rod 2 is removed, the collection box 1 is contracted under the combined action of the elastic pull rope 106, the elastic membrane 104 and the flexible side wall 102, the pre-tightening of the slurry in the collection box 1 is realized, and then the collected slurry is transferred to a preset position and is placed;
s4, when the slurry in the box 1 to be collected is in a semi-condensation state or a condensation state, the slurry in the box 1 is poured out, subsequent recycling is carried out, the box 1 and the shaping rod 2 are collected respectively, and the collecting boxes 1 and the shaping rack 2 can be stacked and placed in the collecting process.
It should be understood that the above-described embodiments are merely illustrative of the several embodiments of the present invention, and the description is specific and particular for the purpose of better explaining the principles and practical application of the present invention so that those skilled in the art can better utilize the present invention and make modifications and variations thereon, which should not be construed as limiting the scope of the present invention. It should be understood that any modification, equivalent replacement, improvement and the like made without departing from the spirit of the present invention shall be included in the protection scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a thick liquids recovery unit for building wall plastering engineering which characterized in that:
the collecting box comprises a plurality of collecting boxes (1) and a shaping rod (2), wherein each collecting box (1) comprises two end plates (101), a flexible side wall (102) and a flexible bottom plate (107) which are positioned between the two end plates (101), the flexible side walls (102) and the flexible bottom plates (107) jointly form a collecting cavity of the collecting box (1), every two adjacent collecting boxes (1) are detachably connected together through the end plates (101), and inserting holes (105) are formed in the end plates (101) on the outer sides of the collecting boxes (1) at the two ends;
the shaping rod (2) comprises a plate-shaped guide rod (201) and inserting pins (202) arranged at two ends of the guide rod (201), and the inserting pins (202) at two ends of the guide rod (201) can be respectively placed into the inserting holes (105) of the collecting boxes (1) at two ends;
an elastic membrane (104) for dividing the collection cavity into two chambers is arranged between the two flexible side walls (102), the two framework plates (103) are arranged on the flexible side walls (102) side by side, an elastic pull rope (106) is arranged between the two framework plates (103), and the elastic pull rope (106) is fixed on one side, close to the end plate (101), of each framework plate (103).
2. The apparatus for recycling mortar used in plastering of construction walls according to claim 1, wherein: two adjacent collecting boxes (1) are connected through a buckle or a bolt.
3. The apparatus for recycling mortar used in plastering of construction walls according to claim 1, wherein: two end plates (101) which are connected are provided with material guiding jacks (3), and two sides of each material guiding jack (3) are respectively provided with a material guiding inclined plane.
4. The apparatus for recycling mortar used in plastering of construction walls according to claim 1, wherein: and a smooth film is adhered to the inner wall of the end plate (101).
5. The apparatus for recycling mortar used in plastering of construction walls according to claim 1, wherein: two side edges of the elastic membrane (104) are respectively connected to the middle parts of the two flexible side walls (102), and the bottom of the elastic membrane (104) is connected with the flexible bottom plate (107).
6. The apparatus for recovery of mortar for plastering walls of buildings according to claim 1, wherein: the cross section of the flow guide rod (201) is a right-angled triangle, and the plug pin (202) is installed on the end face where the right-angled side of the flow guide rod (201) is located.
7. The apparatus for recovery of mortar for plastering architectural walls according to claim 6, wherein: the vertex angle of the right triangle is 15-45 degrees.
8. The apparatus for recycling mortar used in plastering of construction walls according to claim 1, wherein: the utility model discloses a lock of water conservancy diversion pole (201) between the body of rod (2011) outside and the body of rod (2011) outside, the lock of water conservancy diversion pole (2011) outside and locking bolt (2013) are constituteed by outer body of rod (2011), inner core (2012) and locking bolt (2013), and two bolt (202) set up respectively at the tip of outer body of rod (2011) and inner core (2012).
9. The apparatus for recycling mortar used in plastering of construction walls according to claim 1, wherein: supporting rods (108) are arranged below the outer end plates (101) of the collecting boxes (1) at the two ends, and pulleys (109) are arranged at the bottoms of the supporting rods (108).
10. A method for recycling a slurry used in plastering works of construction walls by using the recycling apparatus as claimed in claim 1, comprising the steps of:
s1, estimating the width of a building wall, determining a proper number of collecting boxes (1) and assembling the collecting boxes together, stretching the whole recovery device to an unfolded state by pulling the collecting boxes (1) at two ends, and then placing the plug pins (202) of the shaping rods (2) into the plug holes (105) of the collecting boxes (1) at two ends to finish the shaping of the recovery device;
s2, attaching the diversion rod (201) of the recovery device to the building wall, and collecting slurry which falls from the building wall in a collecting cavity of a collecting box;
s3, after construction is completed, the shaping rod (2) is removed, the collection box (1) contracts under the combined action of the elastic pull rope (106), the elastic membrane (104) and the flexible side wall (102), pre-tightening of slurry in the collection box (1) is achieved, and then the collected slurry is transferred to a preset position and placed;
s4, when the slurry in the box (1) to be collected is in a semi-condensation state or a condensation state, pouring out the slurry in the box (1) to be collected, carrying out subsequent recycling, and finally respectively accommodating the box (1) and the shaping rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210209264.2A CN114535243B (en) | 2022-03-03 | 2022-03-03 | Slurry recovery device and recovery method in building wall plastering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210209264.2A CN114535243B (en) | 2022-03-03 | 2022-03-03 | Slurry recovery device and recovery method in building wall plastering construction |
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| Publication Number | Publication Date |
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| CN114535243A true CN114535243A (en) | 2022-05-27 |
| CN114535243B CN114535243B (en) | 2023-01-03 |
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| CN202210209264.2A Active CN114535243B (en) | 2022-03-03 | 2022-03-03 | Slurry recovery device and recovery method in building wall plastering construction |
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| JP2008012427A (en) * | 2006-07-05 | 2008-01-24 | Ntt Facilities Inc | Apparatus for removing building materials |
| CN210503661U (en) * | 2019-09-18 | 2020-05-12 | 陈梁 | Folding containing box |
| CN112252666A (en) * | 2020-10-27 | 2021-01-22 | 中铁建工集团山东有限公司 | Wall plastering material recovery device and recovery method for building construction |
| CN213268739U (en) * | 2020-08-31 | 2021-05-25 | 中铁建工集团有限公司 | Mortar collection device for wall plastering |
| CN215198850U (en) * | 2020-12-25 | 2021-12-17 | 郑州一建集团有限公司 | Outer wall plastering mortar collection device |
| CN215484421U (en) * | 2021-08-02 | 2022-01-11 | 上海金茂建筑装饰有限公司 | Mortar collection device for wall plastering |
| CN215716977U (en) * | 2021-06-15 | 2022-02-01 | 中国二十冶集团有限公司 | Concatenation formula ash collection device that falls to ground |
-
2022
- 2022-03-03 CN CN202210209264.2A patent/CN114535243B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008012427A (en) * | 2006-07-05 | 2008-01-24 | Ntt Facilities Inc | Apparatus for removing building materials |
| CN210503661U (en) * | 2019-09-18 | 2020-05-12 | 陈梁 | Folding containing box |
| CN213268739U (en) * | 2020-08-31 | 2021-05-25 | 中铁建工集团有限公司 | Mortar collection device for wall plastering |
| CN112252666A (en) * | 2020-10-27 | 2021-01-22 | 中铁建工集团山东有限公司 | Wall plastering material recovery device and recovery method for building construction |
| CN215198850U (en) * | 2020-12-25 | 2021-12-17 | 郑州一建集团有限公司 | Outer wall plastering mortar collection device |
| CN215716977U (en) * | 2021-06-15 | 2022-02-01 | 中国二十冶集团有限公司 | Concatenation formula ash collection device that falls to ground |
| CN215484421U (en) * | 2021-08-02 | 2022-01-11 | 上海金茂建筑装饰有限公司 | Mortar collection device for wall plastering |
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| CN114535243B (en) | 2023-01-03 |
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