CN112726555A - Ground dust fall levels device for construction - Google Patents
Ground dust fall levels device for construction Download PDFInfo
- Publication number
- CN112726555A CN112726555A CN202011560155.2A CN202011560155A CN112726555A CN 112726555 A CN112726555 A CN 112726555A CN 202011560155 A CN202011560155 A CN 202011560155A CN 112726555 A CN112726555 A CN 112726555A
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- CN
- China
- Prior art keywords
- fixedly connected
- rotating shaft
- rod
- foundation
- connecting rod
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Abstract
The invention discloses a foundation dust-fall leveling device for building construction, which relates to the technical field of building foundation leveling and solves the problems of poor leveling quality, low efficiency and dust dancing of the device High efficiency and less dust.
Description
Technical Field
The invention relates to the technical field of building foundation leveling, in particular to a foundation dust fall leveling device for building construction.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.
The foundation refers to the soil body or the rock mass of the supporting foundation under the building, the soil layer as building foundation divide into rock, rubble soil, sand soil, silt, stickness soil and artifical filled soil, the foundation has natural foundation and artifical foundation two types, natural foundation is the natural soil layer that does not need the people to consolidate, artifical foundation needs people to consolidate and handles, there is the stone chip bed course commonly, the sand bed course, mix the lime soil and backfill tamp etc. however current foundation leveling device for construction, the structure is complicated, constructor's working strength has been increased, and current foundation leveling device for construction levels inefficiency, can produce a large amount of dusts in the leveling process, seriously influence air quality and constructor's physical and mental health.
Disclosure of Invention
The invention aims to solve the technical problem of providing a foundation dust-settling leveling device for building construction, aiming at solving the problems of poor leveling quality, low efficiency and dust dancing of the device.
In order to achieve the purpose, the invention provides the following technical scheme:
a foundation dust fall leveling device for building construction comprises a body, a compression assembly, a swing assembly crushing assembly and a reciprocating leveling mechanism, wherein the body is provided with the compression assembly, the swing assembly and the crushing assembly, the body is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a first rotating shaft, the first rotating shaft is fixedly connected with a cam and a first bevel gear, the cam is movably connected with a first lifting plate and a second lifting plate, the compression assembly comprises a first lifting plate, a first connecting rod, a piston, a first spring and a compression cavity, the first lifting plate is movably connected with the body, the first lifting plate is fixedly connected with the first connecting rod, the first connecting rod is fixedly connected with the piston, the first connecting rod and the piston are both movably connected with the body, the piston is arranged in the compression cavity, the first spring is arranged between the body and the first lifting plate and outside the first connecting rod, the crushing component comprises a second lifting plate, a second connecting rod, a mounting plate, a second spring and crushing teeth, the second lifting plate is fixedly connected with the second connecting rod, the second connecting rod is fixedly connected with the mounting plate, the mounting plate is fixedly connected with the crushing teeth, the second spring is arranged between the second lifting plate and the body and outside the second connecting rod, the swinging component comprises a second pipeline, a third rotating shaft, a first rotating rod, a sliding block and a second rotating rod, the third rotating shaft is fixedly connected with the first rotating rod, the first rotating rod is movably connected with the sliding block, the sliding block is movably connected with the second pipeline, the second pipeline is fixedly connected with the second rotating rod, the second rotating rod is rotatably connected with the body, the reciprocating leveling mechanism comprises a second motor, a fourth rotating shaft, an incomplete gear, a moving block, a hydraulic telescopic rod, a mounting seat and a leveling wheel, and the second motor is fixedly connected with the body, the output shaft of the second motor is fixedly connected with a fourth rotating shaft, the fourth rotating shaft is fixedly connected with an incomplete gear, the incomplete gear is movably connected with a moving block through meshing with teeth, the moving block is movably connected with the body, the moving block is fixedly connected with a hydraulic telescopic rod, the hydraulic telescopic rod is fixedly connected with a mounting seat, and the mounting seat is movably connected with a leveling wheel.
As a further scheme of the invention, a first through groove and a second through groove are formed in the body, a water tank and a driving chamber are arranged on the body, walking wheels are arranged at the bottom of the body, and a first motor is arranged in the driving chamber.
As a further scheme of the invention, a first one-way valve is arranged at a water inlet of the compression cavity, the compression cavity is communicated with the water tank through a first pipeline, a second one-way valve is arranged at a water outlet of the compression cavity, the compression cavity is communicated with a second pipeline through a hose, and the second pipeline is fixedly connected with a spray head.
As a further scheme of the present invention, the first bevel gear is engaged with a second bevel gear, the second bevel gear is fixedly connected to a second rotating shaft, the second rotating shaft is fixedly connected to a third bevel gear, the third bevel gear is engaged with a fourth bevel gear, the fourth bevel gear is fixedly connected to a third rotating shaft, and the second rotating shaft and the third rotating shaft are rotatably connected to the body.
As a further scheme of the invention, the moving block is provided with teeth which are symmetrically distributed on the moving block.
As a further scheme of the invention, the bottom of the body is fixedly connected with a hollow cylinder, the hollow cylinder is movably connected with a movable limiting rod, a third spring is arranged in the hollow cylinder, and the movable limiting rod is fixedly connected with a scraping brush.
As a further scheme of the invention, the number of the hollow cylinder, the number of the movable limiting rod and the number of the third springs are all 2, and the hollow cylinder, the movable limiting rod and the third springs are symmetrically distributed on two sides of the scraping brush.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
the height of the leveling wheel is adjusted through a hydraulic telescopic rod, a first motor is started, the first motor drives a cam and a first bevel gear to rotate through a first rotating shaft, the cam drives a piston to move up and down through a first lifting plate and a first connecting rod, a first spring enables the first lifting plate to be always tightly attached to the cam, when the piston moves down, water in a water tank enters a compression cavity through a first pipeline and a first one-way valve, when the piston moves up, the water is sprayed out to wet a foundation through a second one-way valve, a hose, a second pipeline and a spray head, similarly, the cam drives crushing teeth to move up and down to wet sundries such as large-particle soil and slag on the crushed foundation through a second lifting plate, a second connecting rod, a mounting plate and a second spring, meanwhile, the first rotating shaft drives a third rotating shaft to rotate through a first bevel gear, a second rotating shaft, a third bevel gear and a fourth bevel gear, the third rotating shaft drives a sliding block to rotate through the first rotating rod, and drives the second pipeline to swing through a The core swings in a reciprocating mode, the spray head swings in a reciprocating mode to spray water, the second motor drives the incomplete gear to rotate through the fourth rotating shaft, the incomplete gear drives the moving block to move in a reciprocating mode through matching with the teeth, the leveling wheel is driven to move in a reciprocating mode through the hydraulic telescopic rod and the mounting seat to level the foundation, the third spring enables the scraping brush to be attached to the surface of the leveling wheel all the time through the moving limiting rod, sundries attached to the surface of the leveling wheel are removed, and the device has the advantages of being good in leveling quality, high in efficiency and few in dust.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
Fig. 2 is an enlarged schematic view of the structure at a in the invention.
Fig. 3 is an enlarged schematic view of the structure at B in the invention.
Fig. 4 is a partial schematic view of the structure of the compression assembly and the crushing assembly of the invention.
Fig. 5 is a schematic structural view of the first motor of the present invention.
Reference numerals: 1-body, 101-first through groove, 102-second through groove, 2-road wheel, 3-water tank, 4-driving chamber, 5-first motor, 6-first rotating shaft, 7-cam, 8-first lifting plate, 9-first connecting rod, 10-piston, 11-first spring, 12-compression cavity, 13-first pipeline, 14-first one-way valve, 15-second one-way valve, 16-hose, 17-second pipeline, 18-nozzle, 19-second lifting plate, 20-second connecting rod, 21-mounting plate, 22-second spring, 23-crushing tooth, 24-first bevel gear, 25-second bevel gear, 26-second rotating shaft, 27-third bevel gear, 28-fourth bevel gear, 29-a third rotating shaft, 30-a first rotating rod, 31-a sliding block, 32-a second rotating rod, 33-a second motor, 34-a fourth rotating shaft, 35-an incomplete gear, 36-a moving block, 3601-a tooth, 37-a hydraulic telescopic rod, 38-a mounting seat, 39-a leveling wheel, 40-a hollow cylinder, 41-a movable limiting rod, 42-a third spring and 43-a scraping brush.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 5, a foundation dust-settling leveling device for building construction comprises a body 1, wherein the body 1 is provided with a compression assembly, a swinging assembly and a crushing assembly, the compression assembly comprises a first lifting plate 8, a first connecting rod 9, a piston 10, a first spring 11 and a compression cavity 12, the body 1 is provided with a first through groove 101 and a second through groove 102, the body 1 is provided with a water tank 3 and a driving chamber 4, the bottom of the body 1 is provided with a traveling wheel 2, the driving chamber 4 is internally provided with a first motor 5, the first motor 5 is fixedly connected with the body 1, an output shaft of the first motor 5 is fixedly connected with a first rotating shaft 6, the first rotating shaft 6 is fixedly connected with a cam 7 and a first bevel gear 24, the cam 7 is movably connected with a first lifting plate 8 and a second lifting plate 19, the first lifting plate 8 is movably connected with the body 1, the first lifting plate 8 is fixedly connected with the first connecting rod 9, first connecting rod 9 fixed connection piston 10, first connecting rod 9 and the equal swing joint body 1 of piston 10, piston 10 is located in compression chamber 12, the outside of first connecting rod 9 is located and is equipped with first spring 11 between body 1 and the first lifter plate 8.
Further, a first one-way valve 14 is arranged at a water inlet of the compression cavity 12, the compression cavity 12 is communicated with the water tank 12 through a first pipeline 13, a second one-way valve 15 is arranged at a water outlet of the compression cavity 12, the compression cavity 12 is communicated with a second pipeline 17 through a hose 16, and the second pipeline 17 is fixedly connected with a spray head 18.
Further, broken subassembly includes second lifter plate 19, second connecting rod 20, mounting panel 21, second spring 22 and broken tooth 23, 19 fixed connection second connecting rods 20 of second lifter plate, 20 fixed connection mounting panels 21 of second connecting rod, the broken tooth 23 of mounting panel 21 fixed connection, it is equipped with second spring 22 to be located between second lifter plate 19 and the body 1 in the second connecting rod 20 outside.
Further, the swing assembly comprises a second pipeline 17, a third rotating shaft 29, a first rotating rod 30, a sliding block 31 and a second rotating rod 32, the first bevel gear 24 is meshed with the second bevel gear 25, the second bevel gear 25 is fixedly connected with the second rotating shaft 26, the second rotating shaft 26 is fixedly connected with the third bevel gear 27, the third bevel gear 27 is meshed with the fourth bevel gear 28, the fourth bevel gear 28 is fixedly connected with the third rotating shaft 29, the second rotating shaft 26 and the third rotating shaft 29 are rotatably connected with the body 1, the third rotating shaft is fixedly connected with the first rotating rod 30, the first rotating rod 30 is movably connected with the sliding block 31, the sliding block 31 is movably connected with the second pipeline 17, the second pipeline 17 is fixedly connected with the second rotating rod 32, and the second rotating rod 32 is rotatably connected with the body 1.
Example 2
Referring to fig. 1 to 5, the foundation dust settling leveling device for building construction comprises a reciprocating leveling mechanism, the reciprocating leveling mechanism comprises a second motor 33, a fourth rotating shaft 34, an incomplete gear 35, a moving block 36, a hydraulic telescopic rod 37, a mounting seat 38 and a leveling wheel 39, the second motor 33 is fixedly connected with a body 1, an output shaft of the second motor 33 is fixedly connected with the fourth rotating shaft 34, the fourth rotating shaft 34 is fixedly connected with the incomplete gear 35, the incomplete gear 35 is movably connected with the moving block 36 through meshing with teeth 3601, teeth 3601 are arranged on the moving block 36, the teeth 3601 are symmetrically distributed on the moving block 36, the moving block 36 is movably connected with the body 1, the moving block 36 is fixedly connected with the hydraulic telescopic rod 37, the hydraulic telescopic rod 37 is fixedly connected with the mounting seat 38, and the mounting seat 38 is movably connected with the leveling wheel 39.
Further, the bottom of the body 1 is fixedly connected with a hollow cylinder 40, the hollow cylinder 40 is movably connected with a movable limiting rod 41, a third spring 42 is arranged in the hollow cylinder 40, and the movable limiting rod 41 is fixedly connected with a scraping brush 43.
Further, the number of the hollow cylinder 40, the movement limiting rod 41 and the third spring 42 is 2 and symmetrically distributed on two sides of the scraping brush 43.
In summary, the working principle of the invention is as follows:
the height of the leveling wheel 39 is adjusted through the hydraulic telescopic rod 37, the first motor 5 is started, the first motor 5 drives the cam 7 and the first bevel gear 24 to rotate through the first rotating shaft 6, the cam 7 drives the piston 10 to move up and down through the first lifting plate 8 and the first connecting rod 9, the first spring 11 enables the first lifting plate 8 to be always tightly attached to the cam 7, when the piston 10 moves down, water in the water tank 3 enters the compression cavity 12 through the first pipeline 13 and the first one-way valve 14, when the piston 10 moves up, the water is sprayed out of the wet foundation through the second one-way valve 15, the hose 16, the second pipeline 17 and the spray head 18, similarly, the cam 7 drives the crushing teeth 23 to crush large-particle soil residues and other impurities on the foundation to move up and down through the second lifting plate 19, the second connecting rod 20, the mounting plate 21 and the second spring 22, and meanwhile, the first rotating shaft 6 drives the crushing teeth 23 to crush the large-particle soil residues and, The third rotating shaft 29 drives the sliding block 31 to rotate through the first rotating rod 30, so that the second pipeline 17 is driven to swing in a reciprocating mode with the second rotating rod 32 as a swing center, the spray head 18 is driven to swing in a reciprocating mode to spray water, the second motor 33 drives the incomplete gear 35 to rotate through the fourth rotating shaft 34, the incomplete gear 35 drives the moving block 36 to move in a reciprocating mode through matching with the teeth 3601, the leveling wheel 39 is driven to move in a reciprocating mode through the hydraulic telescopic rod 37 and the mounting seat 38, the leveling foundation is leveled through the scraping brush 43 attached to the surface of the leveling wheel 39 all the time through the moving limiting rod 41 by the third spring 42, and sundries attached to the surface of the leveling wheel 39 are removed.
It should be noted that, in this application, combine the design with compression assembly, broken subassembly of swing subassembly and reciprocal leveling mechanism to apply to a foundation dust fall leveling device for construction is the innovation point of this application, and it has effectively solved the problem that the device levels the quality poor, inefficiency and dust and dances in the air.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A foundation dust fall leveling device for building construction comprises a body (1), a compression assembly, a swing assembly crushing assembly and a reciprocating leveling mechanism, wherein the body (1) is provided with the compression assembly, the swing assembly and the crushing assembly, and is characterized in that the body (1) is fixedly connected with a first motor (5), an output shaft of the first motor (5) is fixedly connected with a first rotating shaft (6), the first rotating shaft (6) is fixedly connected with a cam (7) and a first bevel gear (24), the cam (7) is movably connected with a first lifting plate (8) and a second lifting plate (19), the compression assembly comprises a first lifting plate (8), a first connecting rod (9), a piston (10), a first spring (11) and a compression cavity (12), the first lifting plate (8) is movably connected with the body (1), the first lifting plate (8) is fixedly connected with the first connecting rod (9), first connecting rod (9) fixed connection piston (10), the equal swing joint body (1) of first connecting rod (9) and piston (10), compression chamber (12) is located in piston (10), first connecting rod (9) outside is located and is equipped with first spring (11) between body (1) and first lifter plate (8), broken subassembly includes second lifter plate (19), second connecting rod (20), mounting panel (21), second spring (22) and broken tooth (23), second lifter plate (19) fixed connection second connecting rod (20), second connecting rod (20) fixed connection mounting panel (21), mounting panel (21) fixed connection broken tooth (23), second connecting rod (20) outside is located and is equipped with second spring (22) between second lifter plate (19) and body (1), the swing subassembly includes second pipeline (17), A third rotating shaft (29), a first rotating rod (30), a sliding block (31) and a second rotating rod (32), wherein the third rotating shaft is fixedly connected with the first rotating rod (30), the first rotating rod (30) is movably connected with the sliding block (31), the sliding block (31) is movably connected with a second pipeline (17), the second pipeline (17) is fixedly connected with the second rotating rod (32), the second rotating rod (32) is rotatably connected with the body (1), the reciprocating leveling mechanism comprises a second motor (33), a fourth rotating shaft (34), an incomplete gear (35), a moving block (36), a hydraulic telescopic rod (37), a mounting seat (38) and a leveling wheel (39), the second motor (33) is fixedly connected with the body (1), an output shaft of the second motor (33) is fixedly connected with the fourth rotating shaft (34), and the fourth rotating shaft (34) is fixedly connected with the incomplete gear (35), the incomplete gear (35) is movably connected with a moving block (36) through meshing with the teeth (3601), the moving block (36) is movably connected with the body (1), the moving block (36) is fixedly connected with a hydraulic telescopic rod (37), the hydraulic telescopic rod (37) is fixedly connected with an installation seat (38), and the installation seat (38) is movably connected with a leveling wheel (39).
2. The foundation dust settling and leveling device for building construction according to claim 1, wherein a first through groove (101) and a second through groove (102) are formed in the body (1), a water tank (3) and a driving chamber (4) are arranged on the body (1), traveling wheels (2) are arranged at the bottom of the body (1), and a first motor (5) is arranged in the driving chamber (4).
3. A foundation dust fall leveling device for building construction according to claim 1, wherein a first one-way valve (14) is arranged at a water inlet of the compression cavity (12), the compression cavity (12) is communicated with the water tank (12) through a first pipeline (13), a second one-way valve (15) is arranged at a water outlet of the compression cavity (12), the compression cavity (12) is communicated with a second pipeline (17) through a hose (16), and the second pipeline (17) is fixedly connected with a spray head (18).
4. The foundation dust settling and leveling device for building construction as claimed in claim 1, wherein the first bevel gear (24) is engaged with the second bevel gear (25), the second bevel gear (25) is fixedly connected with the second rotating shaft (26), the second rotating shaft (26) is fixedly connected with the third bevel gear (27), the third bevel gear (27) is engaged with the fourth bevel gear (28), the fourth bevel gear (28) is fixedly connected with the third rotating shaft (29), and the second rotating shaft (26) and the third rotating shaft (29) are rotatably connected with the body (1).
5. The foundation dust settling and leveling device for building construction as claimed in claim 1, wherein teeth (3601) are arranged on the moving block (36), and the teeth (3601) are symmetrically distributed on the moving block (36).
6. A foundation dust-settling leveling device for building construction according to claim 4, wherein a hollow cylinder (40) is fixedly connected to the bottom of the body (1), the hollow cylinder (40) is movably connected with a movable limiting rod (41), a third spring (42) is arranged in the hollow cylinder (40), and the movable limiting rod (41) is fixedly connected with a scraping brush (43).
7. The foundation dust settling and leveling device for building construction as claimed in claim 6, wherein the number of the hollow cylinder (40), the movement limiting rod (41) and the third spring (42) is 2 and symmetrically distributed on two sides of the scraping brush (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560155.2A CN112726555A (en) | 2020-12-25 | 2020-12-25 | Ground dust fall levels device for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560155.2A CN112726555A (en) | 2020-12-25 | 2020-12-25 | Ground dust fall levels device for construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112726555A true CN112726555A (en) | 2021-04-30 |
Family
ID=75616200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011560155.2A Withdrawn CN112726555A (en) | 2020-12-25 | 2020-12-25 | Ground dust fall levels device for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112726555A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113304859A (en) * | 2021-06-08 | 2021-08-27 | 王诗云 | Multiple breaker of ore for smelting processing |
| CN113770833A (en) * | 2021-09-11 | 2021-12-10 | 东莞市帆寒机械有限公司 | Terrace treatment device for building construction |
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| CN108301287A (en) * | 2018-02-02 | 2018-07-20 | 郭昌磊 | A kind of architectural engineering ground flattening apparatus |
| CN108739294A (en) * | 2018-05-24 | 2018-11-06 | 合肥智慧龙机械设计有限公司 | A kind of treegarden irrigation swing type watering device |
| CN208993653U (en) * | 2018-10-31 | 2019-06-18 | 郑州麦迪斯自动化设备有限公司 | A kind of tyre cleaning device on car washer |
| CN209114455U (en) * | 2018-11-08 | 2019-07-16 | 广州昕达建筑装饰工程有限公司 | A kind of efficient flattening device of construction ground |
| CN210945400U (en) * | 2019-10-31 | 2020-07-07 | 艾效文 | Building concrete curing means |
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2020
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| CN107278829A (en) * | 2017-08-18 | 2017-10-24 | 深圳市星鼎源科技有限公司 | A kind of multi-faceted automatic agricultural irrigation watering device |
| CN108301287A (en) * | 2018-02-02 | 2018-07-20 | 郭昌磊 | A kind of architectural engineering ground flattening apparatus |
| CN108739294A (en) * | 2018-05-24 | 2018-11-06 | 合肥智慧龙机械设计有限公司 | A kind of treegarden irrigation swing type watering device |
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| CN209114455U (en) * | 2018-11-08 | 2019-07-16 | 广州昕达建筑装饰工程有限公司 | A kind of efficient flattening device of construction ground |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113304859A (en) * | 2021-06-08 | 2021-08-27 | 王诗云 | Multiple breaker of ore for smelting processing |
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| CN113770833B (en) * | 2021-09-11 | 2022-08-23 | 伽师县正阳建筑安装有限责任公司 | Terrace treatment device for building construction |
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Application publication date: 20210430 |