CN111910639A - Concrete conveying device for building foundation pit pouring - Google Patents
Concrete conveying device for building foundation pit pouring Download PDFInfo
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- CN111910639A CN111910639A CN202010786733.8A CN202010786733A CN111910639A CN 111910639 A CN111910639 A CN 111910639A CN 202010786733 A CN202010786733 A CN 202010786733A CN 111910639 A CN111910639 A CN 111910639A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- General Engineering & Computer Science (AREA)
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a concrete conveying device for building foundation pit pouring, which comprises a bottom box, wherein a direction adjusting motor is arranged in the bottom box, a bottom plate is arranged at the upper end of the direction adjusting motor, three groups of supporting piles are arranged at one side of the upper end of the bottom plate, a rope control motor is arranged at the upper end of each supporting pile close to the front end, wheel discs are arranged at the upper ends of the supporting piles at the middle part and the rear end, wheel shafts are arranged between the middle parts of the two groups of wheel discs in a penetrating manner, traction steel ropes are wound on the outer surfaces of the wheel shafts, a hopper is arranged at the middle part of the upper end of the bottom plate close to the middle part, a material control mechanism is arranged in the middle part of the hopper, a synchronous conveying motor I is arranged at one side of the hopper, a conveying pipe is arranged at the; the invention can realize the adjustment of the vertical plane conveying angle and the horizontal plane conveying direction in the concrete conveying process, and simultaneously control the conveying amount of the concrete, thereby more comprehensively meeting the conveying requirement.
Description
Technical Field
The invention relates to the field of conveying devices, in particular to a concrete conveying device for building foundation pit pouring.
Background
The foundation pit refers to the space below the ground that is excavated for the construction of carrying out building foundation and basement, and the foundation pit need be pour it with the concrete after digging, makes its structure more firm, in order to let pour convenient and fast more, need use concrete conveyor for the building foundation pit to carry the concrete.
The existing concrete conveying device for building foundation pit pouring has certain disadvantages when in use, and the conveying angle of a vertical surface cannot be adjusted when the existing concrete conveying device for building foundation pit pouring is in use; when the existing concrete conveying device for pouring the building foundation pit is used, the conveying direction of a horizontal plane cannot be adjusted; when the existing concrete conveying device for pouring the building foundation pit is used, the conveying quantity of concrete cannot be controlled, the conveying pipe is easily blocked, and certain limitation is brought to practical use.
Disclosure of Invention
The invention aims to provide a concrete conveying device for building foundation pit pouring, which solves the problem that the conveying angle of a vertical surface cannot be adjusted when the existing concrete conveying device for building foundation pit pouring is used; when the existing concrete conveying device for pouring the building foundation pit is used, the conveying direction of a horizontal plane cannot be adjusted; when the existing concrete conveying device for building foundation pit pouring is used, the conveying amount of concrete cannot be controlled, and the technical problem of blockage of a conveying pipe is easily caused.
The purpose of the invention can be realized by the following technical scheme:
a concrete conveying device for building foundation pit pouring comprises a bottom box, wherein a plurality of groups of cushion blocks are arranged at the upper end of the bottom box close to the edge, rubber pads are arranged at the upper ends of the cushion blocks, a direction adjusting motor is arranged in the bottom box, a bottom plate is arranged at the upper end of the direction adjusting motor, three groups of supporting piles are arranged at one side of the upper end of the bottom plate, a rope control motor is arranged at the upper end of each supporting pile close to the front end, wheel discs are arranged at the upper ends of the supporting piles at the middle part and the rear end, a wheel shaft is arranged between the middle parts of the two groups of wheel discs in a penetrating mode, and a traction steel rope is wound on the;
the upper end of the bottom plate is provided with a hopper close to the middle part, the middle part of the hopper is provided with a material control mechanism, one side of the hopper is provided with a first synchronous conveying motor, the other side of the hopper is provided with a conveying pipe, the middle part and the lower end of the conveying pipe are both provided with toughened hoses, the outer surface of the conveying pipe is provided with a sleeve disc close to one end, and one end of the conveying pipe is provided with a second synchronous conveying motor;
the upper end of bottom plate leans on one side to install two sets of supports, and is two sets of the runner is all installed to the upper end of support, and is two sets of install the pivot between the runner, the mid-mounting of pivot has two sets of spacing cards.
As a further scheme of the invention: the three groups of support piles are perpendicular to the bottom plate, and the rope control motor is fixedly connected with the wheel shaft.
As a further scheme of the invention: one end of the traction steel rope is fixedly connected with the sleeve disc, and the rotating shaft is movably connected with the rotating wheel.
As a further scheme of the invention: the upper end of bottom plate is embedded in the lower part of hopper, hopper and bottom plate fixed connection.
As a further scheme of the invention: the accuse material mechanism is including accuse material cylinder, and the spout has been seted up to a lateral column wall of accuse material cylinder, and spout internally mounted has accuse material handle, and accuse flitch is installed to the lower extreme of accuse material handle, and the mid-mounting of accuse flitch has the bearing, and the mid-mounting of bearing has a linking axle, and the fixed plate is installed to the lower extreme of linking axle, has seted up corresponding through-hole on accuse flitch and the fixed plate, supplies to pour to pass through with the concrete, accuse flitch and accuse material cylinder swing joint, fixed plate and accuse material cylinder fixed connection.
As a further scheme of the invention: the inside of conveyer pipe is installed and is twisted the piece connecting rod, and the surface mounting that twists the piece connecting rod has spiral hank piece, twists piece connecting rod and spiral hank piece fixed connection.
The utility model provides a concrete conveyor for building foundation ditch is pour, this conveyor's specific use step is as follows:
the method comprises the following steps: firstly, starting a rope control motor to drive a wheel shaft to rotate, then driving a traction steel rope by a wheel shaft, utilizing the traction steel rope to pull a conveying pipe, adjusting the conveying angle of a vertical surface to avoid a shielding object of the vertical surface, starting a direction adjusting motor to drive a bottom plate, adjusting the conveying direction of a horizontal plane, and enabling a toughened hose arranged at the lower end of the conveying pipe to be positioned above a foundation pit to be poured;
step two: checking whether an included angle gap exists between the material control plate and the fixed plate, if so, moving the material control handle to drive the material control plate to rotate, enabling the material control plate to cover a through hole formed in the fixed plate, pouring the poured concrete into a hopper, moving the material control handle to control the rotation of the material control plate, adjusting the size of the gap between the material control plate and the fixed plate, limiting the throughput of the poured concrete, controlling the conveying amount of the poured concrete while preventing the lower end of the hopper and a conveying pipe from being blocked, starting a synchronous conveying motor I and a synchronous conveying motor II to drive a twisting sheet connecting rod in the conveying pipe to rotate, driving a helical twisting sheet to rotate by the twisting sheet connecting rod, and conveying the poured concrete;
step three: in the process of conveying the concrete for pouring, the conveying direction of a horizontal plane and the conveying angle of a vertical plane are adjusted by controlling the direction regulating motor and the rope controlling motor according to actual conditions, and the conveying amount of the concrete for pouring is adjusted by moving the material controlling handle, so that the concrete for pouring is conveyed.
The invention has the following beneficial effects:
1. the wheel shaft and the traction steel rope are matched with the rope control motor, the traction steel rope is fixedly connected with the conveying pipe through the sleeve disc, the wheel shaft is driven to rotate through the rope control motor, the retraction of the traction steel rope is controlled, the conveying angle of the conveying pipe on a vertical surface is adjusted, and obstacles on the vertical surface are avoided;
2. the bottom plate is matched with the direction adjusting motor, the components on the upper part of the bottom plate are fixed and supported by the bottom plate, the direction adjusting motor drives the bottom plate to rotate, the conveying direction of the conveying pipe on the horizontal plane is adjusted, and the concrete for pouring is conveyed according to actual conditions;
3. by arranging the material control mechanism, the material control handle is moved to drive the material control plate to rotate, the size of a gap between the material control plate and the fixed plate is controlled, the throughput of the pouring concrete is limited, the lower end of the hopper and the conveying pipe are prevented from being blocked, and the conveying amount of the pouring concrete is controlled;
4. the invention utilizes the traction of the traction steel rope to the conveying pipe and the adjustment of the direction-adjusting motor to the angle of the bottom plate, controls the conveying angle of the vertical surface and the conveying direction of the horizontal surface in the conveying process of the device according to the actual situation, and simultaneously controls the conveying amount of the concrete for pouring through the material control mechanism, thereby more comprehensively meeting the conveying requirement.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is an overall structural view of a concrete conveying device for building foundation pit casting according to the present invention.
Fig. 2 is a top view of a material control mechanism in the concrete conveying device for building foundation pit pouring of the invention.
FIG. 3 is a sectional view of a material control mechanism of the concrete conveying device for building foundation pit pouring according to the present invention.
Fig. 4 is a sectional view of a bottom box and a bottom plate in the concrete conveying device for casting a building foundation pit.
Fig. 5 is an internal structure view of a conveying pipe in the concrete conveying device for casting a building foundation pit according to the present invention.
In the figure: 1. a bottom box; 2. cushion blocks; 3. a rubber pad; 4. a base plate; 5. supporting piles; 6. a rope control motor; 7. a wheel disc; 8. a wheel axle; 9. a synchronous conveying motor I; 10. a traction steel rope; 11. a hopper; 12. a material control mechanism; 13. a rotating shaft; 14. a rotating wheel; 15. a limiting card; 16. a support; 17. a delivery pipe; 18. a second synchronous conveying motor; 19. sleeving a disc; 20. tempering the hose; 21. a material control handle; 22. a chute; 23. a material control plate; 24. a material control cylinder; 25. a fixing plate; 26. a bearing; 27. a connecting shaft; 28. a direction-adjusting motor; 29. spirally twisting the sheet; 30. and a twisted sheet connecting rod.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a concrete conveying device for building foundation pit pouring comprises a bottom box 1, wherein a plurality of groups of cushion blocks 2 are arranged at the upper end of the bottom box 1 close to the edge, rubber pads 3 are arranged at the upper ends of the cushion blocks 2, a direction adjusting motor 28 is arranged in the bottom box 1, a bottom plate 4 is arranged at the upper end of the direction adjusting motor 28, three groups of supporting piles 5 are arranged at one side of the upper end of the bottom plate 4 close to the front end, a rope control motor 6 is arranged at the upper end of each supporting pile 5 close to the front end, wheel discs 7 are arranged at the upper ends of the supporting piles 5 at the middle part and the rear end, a wheel shaft 8 is arranged between the middle parts of the two groups of wheel discs 7;
a hopper 11 is arranged at the upper end of the bottom plate 4 close to the middle part, a material control mechanism 12 is arranged at the middle part of the hopper 11, a synchronous conveying motor I9 is arranged at one side of the hopper 11, a conveying pipe 17 is arranged at the other side of the hopper 11, toughened hoses 20 are arranged at the middle part and the lower end of the conveying pipe 17, a sleeve disc 19 is arranged at one end of the outer surface of the conveying pipe 17 close to the middle part, and a synchronous conveying motor II 18 is arranged at one end of the;
two groups of supports 16 are installed at one side of the upper end of the bottom plate 4, rotating wheels 14 are installed at the upper ends of the two groups of supports 16, a rotating shaft 13 is installed between the two groups of rotating wheels 14, two groups of limiting clamps 15 are installed in the middle of the rotating shaft 13, and the limiting clamps 15 prevent the traction steel rope 10 from deviating towards the front end and the rear end.
The three groups of supporting piles 5 are perpendicular to the bottom plate 4, the rope control motor 6 is fixedly connected with the wheel shaft 8, and the rope control motor 6 is matched with the wheel shaft 8 to control the retraction of the traction steel rope 10.
One end of the traction steel cable 10 is fixedly connected with the sleeve disc 19, the rotating shaft 13 is movably connected with the rotating wheel 14, and the traction steel cable 10 plays a role in traction and fixation on the conveying pipe 17.
The lower part of the hopper 11 is embedded into the upper end of the bottom plate 4, the hopper 11 is fixedly connected with the bottom plate 4, and the bottom plate 4 fixes and supports the upper part of the hopper.
Accuse material mechanism 12 is including accuse material cylinder 24, spout 22 has been seted up to a lateral column wall of accuse material cylinder 24, spout 22 internally mounted has accuse material handle 21, accuse material board 23 is installed to the lower extreme of accuse material handle 21, the mid-mounting of accuse material board 23 has bearing 26, the mid-mounting of bearing 26 has even axle 27, the fixed plate 25 is installed to the lower extreme of even axle 27, control the through-hole that corresponds has been seted up on flitch 23 and the fixed plate 25, supply to pour to pass through with the concrete, accuse material board 23 and accuse material cylinder 24 swing joint, fixed plate 25 and accuse material cylinder 24 fixed connection.
The inside of conveyer pipe 17 installs hank piece connecting rod 30, and the surface mounting of hank piece connecting rod 30 has spiral hank piece 29, and hank piece connecting rod 30 and spiral hank piece 29 fixed connection, spiral hank piece 29 carries the concrete at the pivoted in-process.
The utility model provides a concrete conveyor for building foundation ditch is pour, this conveyor's specific use step is as follows:
the method comprises the following steps: firstly, starting a rope control motor 6 to drive a wheel shaft 8 to rotate, then driving a traction steel rope 10 by the wheel shaft 8, utilizing the traction steel rope 10 to pull a conveying pipe 17, adjusting the conveying angle of a vertical surface to avoid a shelter of the vertical surface, then starting a direction adjusting motor 28, driving a bottom plate 4, adjusting the conveying direction of a horizontal plane, and enabling a toughened hose 20 arranged at the lower end of the conveying pipe 17 to be positioned above a foundation pit to be poured;
step two: whether an included angle gap exists between the material control plate 23 and the fixed plate 25 is checked, if so, the material control handle 21 is moved to drive the material control plate 23 to rotate, so that the material control plate 23 covers a through hole formed in the fixed plate 25, then the poured concrete is poured into the hopper 11, the material control handle 21 is moved to control the rotation of the material control plate 23, the size of the gap between the material control plate 23 and the fixed plate 25 is adjusted, the throughput of the poured concrete is limited, the conveying amount of the poured concrete is controlled while the lower end of the hopper 11 and the conveying pipe 17 are prevented from being blocked, the synchronous conveying motor I9 and the synchronous conveying motor II 18 are started to drive the twisting sheet connecting rod 30 in the conveying pipe 17 to rotate, and then the twisting sheet connecting rod 30 drives the spiral twisting sheet 29 to rotate to convey the poured concrete;
step three: in the process of conveying the concrete for pouring, the conveying direction of the horizontal plane and the conveying angle of the vertical plane are adjusted by controlling the direction regulating motor 28 and the rope control motor 6 according to actual conditions, and the conveying amount of the concrete for pouring is adjusted by moving the material control handle 21 so as to convey the concrete for pouring.
According to the invention, the wheel axle 8 and the traction steel rope 10 are matched with the rope control motor 6, the traction steel rope 10 is fixedly connected with the conveying pipe 17 through the sleeve disc 19, the wheel axle 8 is driven to rotate by the rope control motor 6, the retraction and release of the traction steel rope 10 are controlled, the conveying angle of the conveying pipe 17 on the vertical surface is adjusted, and the obstacle on the vertical surface is avoided; the bottom plate 4 is matched with the direction-adjusting motor 28, the components on the upper part of the bottom plate 4 are fixed and supported by the bottom plate 4, the direction-adjusting motor 28 drives the bottom plate 4 to rotate, the conveying direction of the conveying pipe 17 on the horizontal plane is adjusted, and the concrete for pouring is conveyed according to actual conditions; through setting up accuse material mechanism 12, remove accuse material handle 21 and drive the rotation of accuse flitch 23, the size in the space that control accuse flitch 23 and fixed plate 25 pressed from both sides limits the throughput of concreting, when avoiding hopper 11 lower extreme and conveyer pipe 17 to block up, controls the delivery capacity of concreting.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The concrete conveying device for building foundation pit pouring is characterized by comprising a bottom box (1), wherein a plurality of groups of cushion blocks (2) are installed at the upper end of the bottom box (1) by the edge, rubber pads (3) are installed at the upper ends of the cushion blocks (2), a direction adjusting motor (28) is installed in the bottom box (1), a bottom plate (4) is installed at the upper end of the direction adjusting motor (28), three groups of supporting piles (5) are installed at one side of the upper end of the bottom plate (4), a rope control motor (6) is installed at the upper end of each supporting pile (5) close to the front end, wheel discs (7) are installed at the upper ends of the supporting piles (5) located at the middle part and the rear end, a wheel shaft (8) is installed between the middle parts of the two groups of wheel discs (7) in a penetrating mode, and a traction steel rope (10) is wound on;
the upper end of the bottom plate (4) is provided with a hopper (11) by virtue of the middle part, the middle part of the hopper (11) is provided with a material control mechanism (12), one side of the hopper (11) is provided with a first synchronous conveying motor (9), the other side of the hopper (11) is provided with a conveying pipe (17), the middle part and the lower end of the conveying pipe (17) are provided with toughened hoses (20), the outer surface of the conveying pipe (17) is provided with a sleeve disc (19) by virtue of one end, and one end of the conveying pipe (17) is provided with a second synchronous conveying motor (18);
two sets of supports (16) are installed by one side in the upper end of bottom plate (4), and are two sets of runner (14) are all installed to the upper end of support (16), and are two sets of install pivot (13) between runner (14), the mid-mounting of pivot (13) has two sets of spacing card (15).
2. The concrete conveying device for building foundation pit pouring according to claim 1, wherein three groups of support piles (5) are arranged perpendicular to the bottom plate (4), and the rope control motor (6) is fixedly connected with the wheel shaft (8).
3. The concrete conveying device for building foundation pit pouring according to claim 1, wherein one end of the traction steel cable (10) is fixedly connected with the sleeve disc (19), and the rotating shaft (13) is movably connected with the rotating wheel (14).
4. The concrete conveying device for casting the building foundation pit as claimed in claim 1, wherein the lower part of the hopper (11) is embedded into the upper end of the bottom plate (4), and the hopper (11) is fixedly connected with the bottom plate (4).
5. The concrete conveying device for building foundation pit pouring according to claim 1, wherein the material control mechanism (12) comprises a material control cylinder (24), a sliding groove (22) is formed in one side wall of the material control cylinder (24), a material control handle (21) is installed inside the sliding groove (22), a material control plate (23) is installed at the lower end of the material control handle (21), a bearing (26) is installed in the middle of the material control plate (23), a connecting shaft (27) is installed in the middle of the bearing (26), a fixing plate (25) is installed at the lower end of the connecting shaft (27), corresponding through holes are formed in the material control plate (23) and the fixing plate (25) for pouring concrete to pass through, the material control plate (23) is movably connected with the material control cylinder (24), and the fixing plate (25) is fixedly connected with the material control cylinder (24).
6. The concrete conveying device for building foundation pit pouring according to claim 1, wherein a twisted piece connecting rod (30) is installed inside the conveying pipe (17), a spiral twisted piece (29) is installed on the outer surface of the twisted piece connecting rod (30), and the twisted piece connecting rod (30) is fixedly connected with the spiral twisted piece (29).
7. The concrete conveying device for pouring the building foundation pit as claimed in claim 1, wherein the concrete conveying device is used by the following steps:
the method comprises the following steps: firstly, starting a rope control motor (6) to drive a wheel axle (8) to rotate, then driving a traction steel rope (10) by the wheel axle (8), utilizing the traction steel rope (10) to pull a conveying pipe (17), adjusting the conveying angle of a vertical surface to avoid a shielding object of the vertical surface, then starting a direction adjusting motor (28), driving a bottom plate (4), adjusting the conveying direction of a horizontal plane, and enabling a toughened hose (20) arranged at the lower end of the conveying pipe (17) to be positioned above a foundation pit to be poured;
step two: checking whether an included angle gap exists between the material control plate (23) and the fixed plate (25) or not, if so, then the movable material control handle (21) drives the material control plate (23) to rotate, so that the material control plate (23) covers the through hole formed on the fixed plate (25), the poured concrete is poured into the hopper (11), the movable material control handle (21) controls the rotation of the material control plate (23), the size of the gap between the material control plate (23) and the fixed plate (25) is adjusted, the throughput of the poured concrete is limited, the lower end of the hopper (11) and the conveying pipe (17) are prevented from being blocked, controlling the conveying amount of the concrete for pouring, starting a synchronous conveying motor I (9) and a synchronous conveying motor II (18), driving a twisted piece connecting rod (30) in a conveying pipe (17) to rotate, and driving a spiral twisted piece (29) to rotate by the twisted piece connecting rod (30) to convey the concrete for pouring;
step three: in the process of conveying the concrete for pouring, the conveying direction of a horizontal plane and the conveying angle of a vertical plane are adjusted by controlling the direction adjusting motor (28) and the rope control motor (6) according to actual conditions, and the conveying amount of the concrete for pouring is adjusted by moving the material control handle (21) so as to convey the concrete for pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010786733.8A CN111910639A (en) | 2020-08-25 | 2020-08-25 | Concrete conveying device for building foundation pit pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010786733.8A CN111910639A (en) | 2020-08-25 | 2020-08-25 | Concrete conveying device for building foundation pit pouring |
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| Publication Number | Publication Date |
|---|---|
| CN111910639A true CN111910639A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010786733.8A Pending CN111910639A (en) | 2020-08-25 | 2020-08-25 | Concrete conveying device for building foundation pit pouring |
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| Country | Link |
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| CN (1) | CN111910639A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103422A (en) * | 2021-04-12 | 2021-07-13 | 青岛温泉建设集团有限公司 | Stair pouring device for prefabricated assembly type building |
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| CA2000952A1 (en) * | 1988-10-18 | 1990-04-18 | Joachim Coja | An apparatus for pneumatically discharging concrete |
| CN107386294A (en) * | 2017-09-14 | 2017-11-24 | 安徽金贺财建筑工程有限公司 | A kind of WR and hydropower construction concrete spreader |
| CN206681013U (en) * | 2017-05-10 | 2017-11-28 | 中国葛洲坝集团三峡建设工程有限公司 | A kind of high slope large-span concrete position in storehouse rotates and pours device |
| CN208072997U (en) * | 2018-04-16 | 2018-11-09 | 王成玉 | A kind of civil engineering concrete conveyance structure |
| CN211279118U (en) * | 2019-12-08 | 2020-08-18 | 黄莉 | Concrete mixing device convenient for feeding |
-
2020
- 2020-08-25 CN CN202010786733.8A patent/CN111910639A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2000952A1 (en) * | 1988-10-18 | 1990-04-18 | Joachim Coja | An apparatus for pneumatically discharging concrete |
| CN206681013U (en) * | 2017-05-10 | 2017-11-28 | 中国葛洲坝集团三峡建设工程有限公司 | A kind of high slope large-span concrete position in storehouse rotates and pours device |
| CN107386294A (en) * | 2017-09-14 | 2017-11-24 | 安徽金贺财建筑工程有限公司 | A kind of WR and hydropower construction concrete spreader |
| CN208072997U (en) * | 2018-04-16 | 2018-11-09 | 王成玉 | A kind of civil engineering concrete conveyance structure |
| CN211279118U (en) * | 2019-12-08 | 2020-08-18 | 黄莉 | Concrete mixing device convenient for feeding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103422A (en) * | 2021-04-12 | 2021-07-13 | 青岛温泉建设集团有限公司 | Stair pouring device for prefabricated assembly type building |
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Application publication date: 20201110 |
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