CN115324345A - Material distribution device for leveling layer pouring in closed space and use method thereof - Google Patents
Material distribution device for leveling layer pouring in closed space and use method thereof Download PDFInfo
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- CN115324345A CN115324345A CN202210960372.3A CN202210960372A CN115324345A CN 115324345 A CN115324345 A CN 115324345A CN 202210960372 A CN202210960372 A CN 202210960372A CN 115324345 A CN115324345 A CN 115324345A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/025—Buckets specially adapted for use with concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0481—Concrete chutes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention discloses a distributing device for casting a leveling layer in a closed space, which comprises a hopper, a base, universal rollers, a multi-section telescopic chute, a horizontal angle adjusting mechanism and an inclination angle adjusting mechanism, wherein the hopper is arranged on the base; the hopper is fixed on the base, and a ground pump pipe is arranged on the hopper; the number of the multi-section telescopic chutes is two, and the feeding ends of the two multi-section telescopic chutes are respectively positioned below the discharge hole of the hopper; the two multi-section telescopic chutes are respectively connected with the base through the horizontal angle adjusting mechanism; the inclination angle adjusting mechanism has two, one end is connected with the base, and the other end is connected with the multi-section telescopic chute. The invention also provides a use method of the material distribution device for casting the leveling layer in the closed space. The method is combined with the ground pump to carry out pouring construction of the leveling layer of the bottom plate of the underground engineering, is simple in construction operation and high in construction efficiency, and can save a large amount of labor and time.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to a material distribution device for leveling layer pouring in a closed space and a use method thereof.
Background
Underground works refer to underground civil works, such as underground houses and underground structures, which are built deep below the ground to exploit underground space resources. Underground engineering works are usually underground and have a closed space. In the underground engineering construction, the bottom plate is generally required to be subjected to leveling layer pouring so as to facilitate the subsequent road surface layer construction.
If the concrete tank truck is used for self-discharging pouring, the structure is underground, and the clear height of the structure cannot meet the construction requirements of the concrete tank truck, so that the tank truck cannot be driven into the structure, and the self-discharging pouring of the concrete tank truck is not applicable.
If adopt the day pump to pour, need follow the local hole department of reserving of structure roof and unload, then by the inside artifical cloth of operation personnel at the structure paving. When meeting structure upper portion entrance to a cave interval great, need adopt the trolley to transport inside the structure, the efficiency of construction is extremely low. If the structure has an interlayer, the top pump cannot discharge materials onto the bottom plate.
If a ground pump is adopted for pouring, after the pump pipe is connected to an area needing to be poured, as the range of conveying concrete by the pump pipe is limited, more operators are also needed for timely distributing and paving, otherwise, a large amount of concrete is accumulated near the mouth of the pump pipe, and therefore, the method also has the problems that more manpower is needed to be invested, the construction efficiency is low, the whole concrete pouring process is long in time consumption, and the leveling difficulty is high.
Disclosure of Invention
The invention aims to provide a distributing device for casting a leveling layer in a closed space, which is used for casting the leveling layer of an underground engineering bottom plate by combining a ground pump, is simple in construction operation and high in construction efficiency, and can save a large amount of labor and time, and a using method thereof.
The technical scheme adopted by the invention is as follows:
a distributing device for casting a leveling layer in a closed space comprises a hopper, a base, universal rollers, a multi-section telescopic chute, a horizontal angle adjusting mechanism and an inclination angle adjusting mechanism;
the hopper is fixed on the base, and a ground pump pipe is arranged on the hopper;
the universal idler wheel is arranged at the bottom end of the base;
the number of the multi-section telescopic chutes is two, and the feeding ends of the multi-section telescopic chutes are respectively positioned below the discharge hole of the hopper; the two multi-section telescopic chutes are respectively connected with the base through the horizontal angle adjusting mechanism; the length of the multi-section telescopic chute can be extended or shortened as required, and the multi-section telescopic chute can rotate in a fan shape in a horizontal plane under the action of a horizontal angle adjusting mechanism, so that the position of a concrete output port is adjusted;
the number of the inclination angle adjusting mechanisms is two, one end of each inclination angle adjusting mechanism is connected with the base, and the other end of each inclination angle adjusting mechanism is connected with the multi-section type telescopic chute; the inclination angle adjusting mechanism can adjust the vertical angle of the multi-section telescopic chute.
According to the scheme, the horizontal angle adjusting mechanism comprises a first universal joint fixed on the base, and one end of the first universal joint is connected with the multi-section type telescopic chute.
According to the scheme, the inclination angle adjusting mechanism comprises a driving box and a connecting rod;
the driving box comprises a box body, a sliding paddle, a rocker and a transmission gear; the box body is arranged on the multi-section type telescopic chute, and the sliding scribing teeth are arranged on the box body and can slide along the box body; the rocker is connected with a transmission gear, and the transmission gear is meshed with the sliding scribing teeth;
one end of the connecting rod is connected with the base through a second universal joint, and the other end of the connecting rod is hinged with the sliding paddling teeth;
the rocker is rotated, the transmission gear drives the sliding gear to move, and then one end of the connecting rod is driven to move, the included angle between the connecting rod and the multi-section type telescopic chute is changed, and therefore the inclination angle of the multi-section type telescopic chute is adjusted.
According to the scheme, the box body is arranged on the small-section annular closed area of the first section of the chute body of the multi-section telescopic chute.
According to the scheme, one end of the rocker extends out of the box body so as to be convenient to operate.
According to the scheme, the multi-section telescopic chute comprises a multi-section chute body, wherein the multi-section chute body is gradually enlarged from inside to outside; the edge of the chute body of the front section is provided with an inner slide rail, the edge of the chute body of the rear section is provided with an outer slide rail, and the chute body of the front section and the chute body of the rear section slide and stretch through the inner slide rail and the outer slide rail; when the chute is stretched, the rear section of the chute body slides to the front section of the chute body; when the chute is elongated, the rear section of chute body slides out of the front section of chute body.
According to the scheme, the front end of the bottom of each section of the chute body is provided with the first handle.
According to the scheme, the hopper is provided with the second handle.
According to the scheme, the front end of the ground pump pipe is provided with a ground pump rubber hose, and the front end of the ground pump rubber hose extends into the hopper.
The invention also provides a use method of the material distribution device for casting the leveling layer in the closed space, which comprises the following steps:
1) Connecting a material distribution device poured on the leveling layer in the closed space to the lower part of a pump pipe orifice of a ground pump;
2) After the multi-section telescopic chute is stretched to the maximum length through the first handle, the multi-section telescopic chute is adjusted to a proper angle through the rocker;
3) When the discharging is started, the concrete in the pump pipe of the ground pump passes through the discharge hole of the hopper and is conveyed to the two sides of the bottom plate to a distance through two multi-section telescopic chutes at the lower part of the discharge hole;
4) Distributing, paving and leveling by a small number of workers;
5) Horizontally swinging the multi-section type telescopic chute to enable the multi-section type telescopic chute to rotate in a fan shape in the horizontal direction, adjusting the direction of a notch and expanding the pouring range;
6) Rotating the rocker, adjusting the inclination angle of the connecting rod through gear transmission, changing the inclination angle of the multi-section telescopic chute and slightly lifting the multi-section telescopic chute upwards; the length of the multi-section type telescopic chute is shortened through a first handle; rotating the rocker again, and adjusting the inclination angle of the connecting rod through gear transmission to enable the multi-section telescopic chute to reach a proper inclination angle;
7) Repeating the steps 3) -6), and sequentially pouring from far to near in the same transverse section;
8) And after the concrete pouring in the cross section is finished, removing the pump pipe of the ground, moving the position of a material distribution device for pouring the leveling layer in the closed space, and pouring the concrete in the next cross section.
The invention has the beneficial effects that:
the multi-section type telescopic chute is arranged for distributing, so that the limitation that the position of a discharge port is relatively fixed when a common chute is used is broken, a large amount of manpower is saved during manual distributing and paving, the casting time of a leveling layer is shortened, the casting efficiency of the leveling layer is improved, and the casting quality of the leveling layer is also guaranteed to a certain extent;
by arranging the multi-section type telescopic chute, the horizontal angle adjusting mechanism and the inclination angle adjusting mechanism, the pouring range can be enlarged to the maximum extent in the concrete pouring process, the pumping speed of the concrete can be better adaptively pumped by adjusting the inclination angle, the blocking condition in the concrete pouring process is reduced, the working efficiency is further improved, and the pouring quality is improved;
the base frame with the rollers is arranged, so that the whole device can move more conveniently in the pouring process, the operation is simple, and time and labor are saved;
the device is combined with a ground pump for pouring, so that the applicability is strong, the construction operation is simple, the efficiency is high, and a large amount of labor and time can be saved;
on one hand, the first handle at the lower part of the chute body can be pulled along the chute direction to stretch the multi-section type telescopic chute, and on the other hand, the multi-section type telescopic chute can swing in a fan shape in the horizontal direction under the action of the second universal joint; the operation is very convenient.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a flow chart of a material distribution device for leveling layer pouring in a closed space;
FIG. 2 is a schematic perspective view of a leveling layer casting material distribution device in an enclosed space;
FIG. 3 is a schematic front view of a leveling layer casting material distribution device in an enclosed space;
FIG. 4 is a schematic side view of a leveling poured distributor in an enclosed space;
FIG. 5 is a schematic top view of a leveling and pouring distributor in an enclosed space;
FIG. 6 is a schematic structural view of a recliner mechanism;
FIG. 7 is a schematic view of a connecting structure of a connecting rod and a driving box;
FIG. 8 is a schematic view of the structure of the horizontal angle adjusting mechanism;
FIG. 9 is a schematic structural view of a multi-section retractable chute;
FIG. 10 is a schematic view of a gimbal roller;
in the figure: 1. the device comprises a ground pump pipe, 2, a ground pump rubber hose, 3, a hopper, 4, a second handle, 5, a base, 6, universal rollers, 7, a multi-section telescopic chute, 8, a discharge port, 9, a first universal joint, 10, a connecting rod, 11, a second universal joint, 12, a driving box, 13, a first handle, 14, a rocker, 15, a hinged opening, 16, sliding cutting teeth, 17, a transmission gear, 18, a sliding rail inner rail, 19, a sliding rail outer rail, 20, a roller outer sheet, 21 and metal rollers.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1-10, a distributing device for leveling layer pouring in a closed space comprises a hopper 3, a base 5, a universal roller 6, a multi-section telescopic chute 7, a horizontal angle adjusting mechanism and an inclination angle adjusting mechanism.
The hopper 3 is fixed on the base 5, and a ground pump pipe 1 is arranged on the hopper; the front end of the ground pump pipe 1 is provided with a ground pump rubber hose 2, and the front end of the ground pump rubber hose 2 extends into the hopper 3. For ease of handling, a second handle 4 may be provided on the hopper 3. The universal roller 6 is arranged at the bottom end of the base 5 and comprises a roller outer plate 20 and a metal roller 21.
The number of the multi-section telescopic chutes 7 is two, and the feeding ends of the chutes are respectively positioned below the discharge port 8 of the hopper 3; and the two multi-section telescopic chutes 7 are respectively connected with the base 5 through a horizontal angle adjusting mechanism; the length of the multi-section telescopic chute 7 can be extended or shortened as required, and the multi-section telescopic chute can rotate in a fan shape in a horizontal plane under the action of the horizontal angle adjusting mechanism, so that the position of a concrete output port is adjusted. In this embodiment, the horizontal angle adjusting mechanism includes a first gimbal 9 fixed on the base 5, and one end of the first gimbal 9 is connected to the multi-section telescopic chute 7. The multi-section telescopic chute 7 comprises a multi-section chute body which gradually increases from inside to outside; the edge of the chute body of the front section is provided with an inner slide rail 18, the edge of the chute body of the rear section is provided with an outer slide rail 19, and the chute body of the front section and the chute body of the rear section slide and stretch through the inner slide rail 18 and the outer slide rail 19; when the chute is stretched, the rear section of the chute body slides to the front section of the chute body; when the chute is elongated, the rear section of chute body slides out of the front section of chute body. For the convenience of operation, a first handle 13 is arranged at the front end of the bottom of each section of the chute body.
One end of each inclination angle adjusting mechanism is connected with the base 5, and the other end of each inclination angle adjusting mechanism is connected with the multi-section type telescopic chute 7; the inclination angle adjusting mechanism can adjust the inclination angle (the included angle between the multi-section type retractable chute 7 and the vertical direction) of the multi-section type retractable chute 7. In this embodiment, the tilt mechanism includes a drive case 12 and a link 10. The driving box 12 comprises a box body, a sliding scribing tooth 16, a rocker 14 and a transmission gear 17. The box body is arranged on a small-section annular closed area of a first section chute body of the multi-section telescopic chute 7. The sliding scratching teeth 16 are arranged on the box body and can slide along the box body; one end of the rocker 14 is connected with the transmission gear 17, and the other end penetrates out of the box body; the transmission gear 17 is engaged with the sliding scribing teeth 16. One end of the connecting rod 10 is connected with the base 5 through a second universal joint 11, and the other end of the connecting rod 10 is connected with a sliding paddling tooth 16 through a hinge joint 15. When the rocker 14 is rotated, the rocker 14 drives the transmission gear 17 to drive the sliding rack 16 to move, so as to drive one end of the connecting rod 10 to move, and change the included angle between the connecting rod 10 and the multi-section telescopic chute 7, thereby adjusting the inclination angle of the multi-section telescopic chute 7.
Example 2
A use method of a material distribution device for leveling layer pouring in a closed space comprises the following steps:
1) After the ground pump pipe 1 is erected in the middle of the vertical section of the leveling layer area to be poured, a second handle 4 on the side of the hopper 3 is held, and the device is moved to the lower part of a ground pump rubber hose 2 of the ground pump pipe 1 through a universal roller 6 at the bottom;
2) Pulling a first handle 13 below the chute body at the outermost side, and stretching the multi-section telescopic chute 7 to the maximum length by utilizing the sliding rail between the chute bodies at the front section and the rear section to slide; by rotating a rocker 14 of a driving box 12 at the upper part of the closed section of the first section of chute body, and utilizing gear transmission, one end of a driving connecting rod 10 moves between two ends in the driving box 12, when the multi-section type telescopic chute 7 extends to the maximum, the conveying path of concrete in the multi-section type telescopic chute 7 is the longest, in order to ensure the fluidity of the concrete in the multi-section type telescopic chute 7, the included angle between the connecting rod 10 and the driving box 12 needs to be adjusted to the maximum, and at this time, the maximum inclination angle of the multi-section type telescopic chute 7 is also shown;
3) After the inclination angle of the multi-section type telescopic chute 7 is adjusted, concrete pouring can be started, concrete is conveyed into the hopper 3 from a ground pump pipe, at the moment, the concrete is conveyed towards the left side and the right side through two independent discharge ports 8 of the hopper 3 respectively, and the concrete flows to the two sides of the structural bottom plate along the multi-section type telescopic chute 7;
4) The ports at two sides of the multi-section telescopic chute 7 are arranged to allow operators to spread and disperse concrete in time, so that the concrete is prevented from accumulating at the ports to form blockage; if concrete blocks in the multi-section type telescopic chute 7 in the pouring process, the concrete needs to be timely dispersed to ensure the circulation of the whole device, and meanwhile, the pumping speed of the ground pump is adjusted according to conditions to ensure the smooth operation of the whole pouring process;
5) After the concrete conveying capacity in the range meets the leveling thickness requirement, a first handle 13 at the bottom of the chute body is held to rotate, and the multi-section telescopic chute 7 can rotate in a fan shape in the horizontal plane through the first universal joint 9, so that the position of a concrete output port is adjusted, and the concrete pouring range can be expanded to the maximum extent;
6) After concrete pouring on the two sides of the farthest end of the cross section is finished, residual concrete in the multi-section type telescopic chute 7 is cleaned, then the rocker 14 is rotated, the inclination angle of the connecting rod 10 is adjusted through gear transmission, the inclination angle of the multi-section type telescopic chute 7 is changed, the multi-section type telescopic chute 7 is slightly lifted upwards, and the surface of the leveling layer is separated; the length of the multi-section telescopic chute is shortened by a first handle 13 (the length of the multi-section telescopic chute 7 is shortened by one by a sliding rail); the rocker 14 is rotated again, and the inclination angle of the connecting rod 10 is adjusted through gear transmission, so that the multi-section telescopic chute 7 is adjusted to a proper inclination angle;
7) Repeating the steps 3) -6), and sequentially pouring from far to near in the same transverse section;
8) When the multi-section telescopic chute 7 is contracted to the shortest distance, after the concrete pouring of the cross section is finished, the pump pipe 1 of the pump is disassembled one section by one section, the concrete discharging point is adjusted, meanwhile, the roller is utilized to push the whole device to the lower part of the new discharging point (the position of a distributing device for pouring on a leveling layer in the closed space is moved), the construction process is repeated, and the concrete pouring in the next cross section is carried out.
The invention can convey concrete to the maximum extent through the multi-section telescopic chute, only needs a small amount of personnel at the end head to pave and level, and solves the problems of large difficulty in concrete distribution, high manpower input and lower efficiency when a concrete leveling layer is poured in a space with a closed structure and insufficient internal clear height.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a distributing device that leveling layer was pour in enclosure space which characterized in that: comprises a hopper, a base, a universal roller, a multi-section telescopic chute, a horizontal angle adjusting mechanism and an inclination angle adjusting mechanism;
the hopper is fixed on the base, and a ground pump pipe is arranged on the hopper;
the universal idler wheel is arranged at the bottom end of the base;
the number of the multi-section telescopic chutes is two, and the feeding ends of the multi-section telescopic chutes are respectively positioned below the discharge hole of the hopper; the two multi-section telescopic chutes are respectively connected with the base through horizontal angle adjusting mechanisms; the length of the multi-section telescopic chute can be extended or shortened as required, and the multi-section telescopic chute can rotate in a fan shape in a horizontal plane under the action of a horizontal angle adjusting mechanism, so that the position of a concrete output port is adjusted;
the number of the inclination angle adjusting mechanisms is two, one end of each inclination angle adjusting mechanism is connected with the base, and the other end of each inclination angle adjusting mechanism is connected with the multi-section type telescopic chute; the inclination angle adjusting mechanism can adjust the vertical angle of the multi-section telescopic chute.
2. The distributing device for casting the leveling layer in the closed space according to claim 1, wherein: the horizontal angle adjusting mechanism comprises a first universal joint fixed on the base, and one end of the first universal joint is connected with the multi-section telescopic chute.
3. The distributing device for leveling layer pouring in the closed space according to claim 1, characterized in that: the inclination angle adjusting mechanism comprises a driving box and a connecting rod;
the driving box comprises a box body, a sliding paddle, a rocker and a transmission gear; the box body is arranged on the multi-section type telescopic chute, and the sliding scratching teeth are arranged on the box body and can slide along the box body; the rocker is connected with a transmission gear, and the transmission gear is meshed with the sliding scribing gear;
one end of the connecting rod is connected with the base through a second universal joint, and the other end of the connecting rod is hinged with the sliding paddle teeth;
the rocker is rotated, the transmission gear drives the sliding gear to move, and then one end of the connecting rod is driven to move, the included angle between the connecting rod and the multi-section type telescopic chute is changed, and therefore the inclination angle of the multi-section type telescopic chute is adjusted.
4. The distributing device for casting the leveling layer in the closed space according to claim 3, wherein: the box body is arranged on a small section annular closed area of a first section chute body of the multi-section type telescopic chute.
5. The distributing device for casting the leveling layer in the closed space according to claim 3, wherein: one end of the rocker extends out of the box body.
6. The distributing device for casting the leveling layer in the closed space according to claim 1, wherein: the multi-section telescopic chute comprises a multi-section chute body, and the multi-section chute body is gradually enlarged from inside to outside; the edge of the chute body of the front section is provided with an inner slide rail, and the edge of the chute body of the rear section is provided with an outer slide rail; when the chute is stretched, the rear section of the chute body slides to the front section of the chute body; when the chute is elongated, the rear section of chute body slides out of the front section of chute body.
7. The distributing device for leveling layer pouring in the closed space according to claim 6, characterized in that: and a first handle is arranged at the front end of the bottom of each section of the chute body.
8. The distributing device for casting the leveling layer in the closed space according to claim 1, wherein: and a second handle is arranged on the hopper.
9. The distributing device for casting the leveling layer in the closed space according to claim 1, wherein: the front end of the ground pump pipe is provided with a ground pump rubber hose, and the front end of the ground pump rubber hose extends into the hopper.
10. The use method of the material distribution device for leveling layer pouring in the closed space is characterized by comprising the following steps of: the method comprises the following steps:
1) Connecting a material distribution device poured on a leveling layer in the closed space according to any one of claims 1-9 to the lower part of a pump pipe orifice of a ground pump;
2) After the multi-section telescopic chute is stretched to the maximum length through the first handle, the multi-section telescopic chute is adjusted to a proper angle through the rocker;
3) The concrete in the pump pipe of the ground pump is conveyed to the two sides of the bottom plate through a multi-section type telescopic chute through a discharge hole of the hopper;
4) Distributing, paving and leveling by workers;
5) Horizontally swinging the multi-section type telescopic chute to enable the multi-section type telescopic chute to rotate in a fan shape in the horizontal direction, adjusting the direction of a notch and expanding the pouring range;
6) Rotating the rocker, adjusting the inclination angle of the connecting rod through gear transmission, changing the inclination angle of the multi-section telescopic chute and slightly lifting the multi-section telescopic chute upwards; the length of the multi-section type telescopic chute is shortened through a first handle; rotating the rocker again, and adjusting the inclination angle of the connecting rod through gear transmission to enable the multi-section telescopic chute to reach a proper inclination angle;
7) Repeating the steps 3) -6), and pouring from far to near in sequence in the same cross section;
8) And after the concrete in the cross section is poured, removing the pump pipe of the ground pump by one section, moving the position of a material distribution device for pouring the leveling layer in the closed space, and pouring the concrete in the next cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960372.3A CN115324345A (en) | 2022-08-11 | 2022-08-11 | Material distribution device for leveling layer pouring in closed space and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210960372.3A CN115324345A (en) | 2022-08-11 | 2022-08-11 | Material distribution device for leveling layer pouring in closed space and use method thereof |
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| JP2005329687A (en) * | 2004-05-21 | 2005-12-02 | Saijo:Kk | Chute device of concrete mixer truck |
| CN205955752U (en) * | 2016-08-27 | 2017-02-15 | 中铁二十局集团西安工程机械有限公司 | Lining cutting platform truck concrete feeding sliding chute device |
| CN211900629U (en) * | 2019-12-20 | 2020-11-10 | 浙江正方交通建设有限公司 | Tunnel secondary lining concrete chute system |
| CN112727099A (en) * | 2020-12-24 | 2021-04-30 | 中国建筑第八工程局有限公司 | Hopper structure for construction of swing column with limited angle and construction method thereof |
| CN113530247A (en) * | 2021-07-15 | 2021-10-22 | 青岛中科坤泰装配建筑科技有限公司 | Full-automatic telescopic and rotary concrete chute device |
| CN216305402U (en) * | 2021-03-30 | 2022-04-15 | 中建三局基础设施建设投资有限公司 | Chute type material distributor for enlarging self-discharging pouring range of concrete |
-
2022
- 2022-08-11 CN CN202210960372.3A patent/CN115324345A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005329687A (en) * | 2004-05-21 | 2005-12-02 | Saijo:Kk | Chute device of concrete mixer truck |
| CN205955752U (en) * | 2016-08-27 | 2017-02-15 | 中铁二十局集团西安工程机械有限公司 | Lining cutting platform truck concrete feeding sliding chute device |
| CN211900629U (en) * | 2019-12-20 | 2020-11-10 | 浙江正方交通建设有限公司 | Tunnel secondary lining concrete chute system |
| CN112727099A (en) * | 2020-12-24 | 2021-04-30 | 中国建筑第八工程局有限公司 | Hopper structure for construction of swing column with limited angle and construction method thereof |
| CN216305402U (en) * | 2021-03-30 | 2022-04-15 | 中建三局基础设施建设投资有限公司 | Chute type material distributor for enlarging self-discharging pouring range of concrete |
| CN113530247A (en) * | 2021-07-15 | 2021-10-22 | 青岛中科坤泰装配建筑科技有限公司 | Full-automatic telescopic and rotary concrete chute device |
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