CN213137150U - Dedicated concrete slab of civil engineering construction pours device - Google Patents
Dedicated concrete slab of civil engineering construction pours device Download PDFInfo
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- CN213137150U CN213137150U CN202020725916.4U CN202020725916U CN213137150U CN 213137150 U CN213137150 U CN 213137150U CN 202020725916 U CN202020725916 U CN 202020725916U CN 213137150 U CN213137150 U CN 213137150U
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Abstract
The utility model discloses a dedicated concrete slab pouring device of civil engineering construction, including first diaphragm and tooth dental lamina, the upper surface rigid coupling of first diaphragm has a plurality of tooth dental lamina, the last surface mounting of first diaphragm has rotating device. This dedicated concrete slab of civil engineering construction pours device, through L shape pole, square piece, the casting die, first spring, shock dynamo, the notch plate, mutually support between montant and the second spring isotructure, can handle the concrete in the casting die and level, thereby the eyelet appears in the concrete slab has been prevented, the concrete slab quality has been improved, through the sleeve, electric putter, the third diaphragm, the slider, annotate mutually support between hopper and the casting die isotructure, can accomplish the work of pouring through this device is automatic, thereby the labour has been practiced thrift, and the work efficiency is improved.
Description
Technical Field
The utility model relates to a civil engineering technical field specifically is a dedicated concrete slab of civil engineering construction pours device.
Background
Concrete slabs are slabs made of concrete materials, are basic structures or components in house buildings and various engineering structures, are commonly used as house covers, floor systems, platforms, walls, retaining walls, foundations, terraces, pavements, pools and the like, have wide application range, and need to be shaped by using a casting device during manufacturing of the concrete slabs, for example, a concrete slab casting device special for civil engineering with the patent number of CN 209812662U is convenient to disassemble a casting mold formed by a first mold, a second mold, a first baffle and a second baffle through inserting blocks arranged at one sides of the first mold and the second mold, so that the sizes of the concrete slabs needing to be changed are correspondingly reduced by matching the first chute, the first sliding block, the first limiting block, the first baffle and the second baffle in the two first molds, the surface of the concrete cannot be vibrated, so that holes and the like are easily formed in the concrete slab, and the pouring is also manually performed, so that the labor force is increased, and the pouring speed is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dedicated concrete slab of civil engineering construction pours device to solve and propose among the above-mentioned background art and after concrete slab casting accomplishes among the prior art, can't vibrate the processing to the surface of concrete, just so make concrete slab appear the problem of eyelet etc. easily.
In order to achieve the above object, the utility model provides a following technical scheme: a concrete slab pouring device special for civil engineering construction comprises a first transverse plate and tooth plates, wherein the upper surface of the first transverse plate is fixedly connected with a plurality of tooth plates, and a rotating device is arranged on the upper surface of the first transverse plate;
the rotating device comprises a first vertical plate, a rotary table, a second vertical plate, a first gear, a threaded rod and a sleeve;
the lower surface of the left and right first vertical plates is fixedly connected with the upper surface of a first transverse plate, the front end surface of the left and right first vertical plates is rotatably connected with a rotary table through a rotary shaft, the inner sides of the left and right first vertical plates are provided with second vertical plates, the lower surfaces of the left and right second vertical plates are fixedly connected with the upper surface of the first transverse plate, the front end surface of the left and right second vertical plates is rotatably connected with a first gear through a rotary shaft, the rotary shaft of the left and right first gear is rotatably connected with the rotary shaft of the rotary table through a belt, the inner sides of the left and right first gear are provided with a threaded rod, the left and right threaded rod is mutually meshed with the first gear, the outer wall below the left and right threaded rod is rotatably connected with the first transverse plate through a bearing, and, the sleeve can be driven to move through the threaded rod, so that the position of the material injection hopper is adjusted.
Preferably, the middle point of the left and right turntables is on the same horizontal line with the middle point of the first gear, so that the first gear can rotate quickly.
Preferably, the left and right first vertical plates are parallel to the second vertical plate, so that labor is saved when the special breaking rotation is carried out.
Preferably, the inner sides of the left sleeve and the right sleeve are provided with pouring devices;
the pouring device comprises a second transverse plate, a second gear, a third transverse plate, a material injection hopper, a sliding block, an electric push rod, a pouring mold and a workbench;
the inner sides of the left and right second transverse plates are fixedly connected with the outer side of the sleeve, the outer sides of the left and right second transverse plates are rotatably connected with a second gear through a rotating shaft, the left and right second gears are mutually meshed with the tooth plates, the inner sides of the left and right second transverse plates are provided with third transverse plates, the outer walls of the left and right sides of each third transverse plate are fixedly connected with the sleeve, a chute is formed in the middle of each third transverse plate, the front end surface of each third transverse plate is provided with a plurality of injection hoppers, the outer walls of the left and right injection hoppers are fixedly connected with sliding blocks, the outer walls of the left and right sliding blocks are in clearance fit with the outer walls of the chutes of the third transverse plates, electric push rods are fixedly connected above the outer sides of the left and right injection hoppers, the outer sides of the left and right electric push rods are fixedly connected with the sleeve, a pouring mold is arranged below the, and automatic pouring is achieved.
Preferably, the meshing ratio of the second gear to the tooth plate is 1: the sleeve can move more smoothly through the second gear 1.
Preferably, the left and right sliding blocks and the third transverse plate form a sliding structure, so that the sliding blocks can drive the injection hopper to move.
Preferably, a vibration device is arranged below the workbench;
the vibrating device comprises an L-shaped rod, a square block, a box body, a first spring, a vibrating motor, a fourth transverse plate, a first connecting rod, a second connecting rod, a concave plate, a vertical rod and a second spring;
the upper surface of the left and right L-shaped rods is fixedly connected with the lower surface of the workbench, the inner sides of the left and right L-shaped rods are fixedly connected with square blocks, a box body is arranged on the outer wall of the left and right square blocks, the outer wall of the left and right square blocks is in clearance fit with the inner wall of the box body, longitudinal through grooves are formed in the left and right sides of the box body, the outer wall of the through groove of the left and right box body is in clearance fit with the outer wall of the L-shaped rods, the lower surface of the left and right box body is fixedly connected with the upper surface of a first transverse plate, a first spring is arranged inside the left and right box body, a vibration motor is arranged inside the left and right box body, the upper surface of the vibration motor is fixedly connected with the lower surface of the workbench, a fourth transverse plate is fixedly connected with the lower surface of the vibration motor, the front end surface of the fourth transverse plate, control the below of second connecting rod has the concave plate through round pin axle swing joint, the lower surface of concave plate links to each other with the last fixed surface of first diaphragm, the rigid coupling has the montant in the middle of the lower surface of fourth diaphragm, the outer wall of montant and the groove department outer wall clearance fit of concave plate, the second spring is installed to the outer wall of montant, the upper and lower both sides of second spring link to each other with fourth diaphragm and concave plate are fixed respectively, can handle the concrete like this and level.
Preferably, the left and right box bodies are symmetrically distributed by taking the middle point of the fourth transverse plate as the center, so that the vibration effect is better.
Compared with the prior art, the beneficial effects of the utility model are that: this dedicated concrete slab of civil engineering construction pours device through L shape pole, square piece, pouring mould, first spring, shock dynamo, notch plate, montant and the structure such as second spring between mutually supporting, can handle the concrete in the pouring mould and level to prevent that concrete slab from appearing the eyelet, improved concrete slab quality.
Through the mutual cooperation between sleeve, electric putter, third diaphragm, slider, notes hopper and pouring mould isotructure, can accomplish the work of pouring through this device is automatic to practiced thrift the labour, improved work efficiency.
Through mutually supporting between carousel, first gear, threaded rod, sleeve, third diaphragm and the feeder hopper isotructure, can be through the height of adjustment feeder hopper to concrete splashes when having prevented to pour.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the turntable, the first gear and the first riser of FIG. 1;
FIG. 3 is a schematic view of the L-shaped bar, first spring and square block of FIG. 1;
fig. 4 is a schematic structural view of the first link, the second link and the second spring in fig. 1.
In the figure: 1. the device comprises a first transverse plate, 2, a tooth plate, 3, a rotating device, 301, a first vertical plate, 302, a rotary table, 303, a second vertical plate, 304, a first gear, 305, a threaded rod, 306, a sleeve, 4, a pouring device, 401, a second transverse plate, 402, a second gear, 403, a third transverse plate, 404, an injection hopper, 405, a sliding block, 406, an electric push rod, 407, a pouring mold, 408, a workbench, 5, a vibrating device, 501, an L-shaped rod, 502, a square block, 503, a box body, 504, a first spring, 505, a vibrating motor, 506, a fourth transverse plate, 507, a first connecting rod, 508, a second connecting rod, 509, a concave plate, 510, a vertical rod, 511 and a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a concrete slab pouring device special for civil engineering construction comprises a first transverse plate 1 and a tooth plate 2, wherein the upper surface of the first transverse plate 1 is fixedly connected with 2 tooth plates 2, the upper surface of the first transverse plate 1 is provided with a rotating device 3, the rotating device 3 comprises a first vertical plate 301, a rotating disc 302, a second vertical plate 303, a first gear 304, a threaded rod 305 and a sleeve 306, the lower surfaces of the left and right first vertical plates 301 are fixedly connected with the upper surface of the first transverse plate 1, the front end surfaces of the left and right first vertical plates 301 are rotatably connected with the rotating disc 302 through a rotating shaft, the rotating disc 302 can rotate at the first vertical plate 301 through the rotating shaft, the inner sides of the left and right first vertical plates 301 are provided with the second vertical plate 303, the lower surfaces of the left and right second vertical plates 303 are fixedly connected with the upper surface of the first transverse plate 1, the front end surfaces of the left and right second vertical plates 303 are rotatably connected with the first gear 304 through the rotating shaft, the first gear 304 can, it links to each other to control pivot department of first gear 304 to rotate through the pivot department of belt with carousel 302, carousel 302 can drive first gear 304 through the belt and rotate, threaded rod 305 is installed to the inboard of controlling first gear 304, threaded rod 305 and first gear 304 intermeshing about, first gear 304 can drive threaded rod 305 and rotate, it rotates continuously with first diaphragm 1 through the bearing to control the below outer wall of threaded rod 305, threaded rod 305 can rotate in first diaphragm 1 department through the bearing, the top outer wall threaded connection of controlling threaded rod 305 has sleeve 306, threaded rod 305 can drive sleeve 306 and remove, the mid point of controlling carousel 302 and the mid point of first gear 304 are on same water flat line, control first riser 301 and second riser 303 parallel to each other.
The pouring device 4 is installed on the inner sides of the left and right sleeves 306, the pouring device 4 comprises a second transverse plate 401, a second gear 402, a third transverse plate 403, a material injection hopper 404, a slide block 405, an electric push rod 406, a pouring mold 407 and a workbench 408, the inner sides of the left and right second transverse plates 401 are fixedly connected with the outer side of the sleeves 306, the outer sides of the left and right second transverse plates 401 are rotatably connected with the second gear 402, the second gear 402 can rotate on the second transverse plate 401 through a rotating shaft, the left and right second gears 402 are meshed with the toothed plate 2, the second gear 402 can rotate through the toothed plate 2, the sleeves 306 can move quickly through the second gear 402, the inner sides of the left and right second transverse plates 401 are provided with the third transverse plate 403, the outer walls on the left and right sides of the third transverse plate 403 are fixedly connected with the sleeves 306, a sliding groove is formed in the middle of the third transverse plate 403, the front end surface of the third transverse plate 403, the outer wall rigid coupling of controlling notes hopper 404 has slider 405, the outer wall of controlling slider 405 and the spout department outer wall clearance fit of third diaphragm 403, slider 405 can drive notes hopper 404 and remove in third diaphragm 403 department, the outside top rigid coupling of controlling notes hopper 404 has electric putter 406, electric putter 406's model is XTL-50, the outside and the sleeve 306 of controlling electric putter 406 are fixed to be linked to each other, electric putter 406 can drive notes hopper 404 and remove, the below of controlling notes hopper 404 is equipped with pours mould 407, the lower surface mounting who pours mould 407 has workstation 408, the meshing ratio of second gear 402 and tooth board 2 is 1: 1, the left and right sliders 405 and the third transverse plate 403 form a sliding structure.
A vibration device 5 is arranged below the workbench 408, the vibration device 5 comprises an L-shaped rod 501, a square block 502, a box body 503, a first spring 504, a vibration motor 505, a fourth transverse plate 506, a first connecting rod 507, a second connecting rod 508, a concave plate 509, a vertical rod 510 and a second spring 511, the upper surfaces of a left L-shaped rod 501 and a right L-shaped rod 501 are fixedly connected with the lower surface of the workbench 408, the inner sides of the left L-shaped rod 501 and the right L-shaped rod 501 are fixedly connected with the square block 502, the outer walls of the left square block 502 and the right square block 502 are provided with the box body 503, the outer walls of the left square block 502 and the right square block 503 are in clearance fit with the inner wall of the box body 503, the square block 502 can move in the box body 503, the left side and the right side of the box body 503 are both provided with longitudinal through grooves, the outer walls of the through grooves of the left box body 503 are in clearance fit with the outer, the first spring 504 is arranged inside the left and right box bodies 503, when the square block 502 moves downwards, the first spring 504 is in a compression state, the inner sides of the left and right box bodies 503 are provided with a vibration motor 505, the model of the vibration motor 505 is YZO-1, a pouring mould can vibrate through the vibration motor 505 so as to level the concrete, the upper surface of the vibration motor 505 is fixedly connected with the lower surface of the worktable 408, the lower surface of the vibration motor 505 is fixedly connected with a fourth transverse plate 506, the front end surface of the fourth transverse plate 506 is movably connected with a first connecting rod 507 through a pin shaft, the first connecting rod 507 can rotate at the fourth transverse plate 506 through the pin shaft, the lower part of the left and right first connecting rod 507 is movably connected with a second connecting rod 508 through the pin shaft, the lower part of the left and right second connecting rod 508 is movably connected with a concave plate 509 through the pin shaft, the second connecting rod 508 can rotate at the first connecting rod 507 and the, the lower surface of the concave plate 509 is fixedly connected with the upper surface of the first transverse plate 1, a vertical rod 510 is fixedly connected to the middle of the lower surface of the fourth transverse plate 506, the outer wall of the vertical rod 510 is in clearance fit with the outer wall of the groove of the concave plate 509, the vertical rod 510 can move in the groove of the concave plate 509, a second spring 511 is mounted on the outer wall of the vertical rod 510, the upper side and the lower side of the second spring 511 are fixedly connected with the fourth transverse plate 506 and the concave plate 509 respectively, the second spring 511 is in a compression state when the fourth transverse plate 506 moves downwards, and the left box body 503 and the right box body 503 are symmetrically distributed by taking the middle point of the fourth transverse plate.
When an operator needs to use a concrete slab pouring device special for civil engineering construction, firstly, the operator rotates the rotary table 302, the rotary table 302 drives the first gear 304 to rotate through a belt, the first gear 304 drives the threaded rod 305 to rotate, the threaded rod 305 drives the sleeve 306 to move, the sleeve 306 drives the third transverse plate 403 to move, the third transverse plate 403 drives the pouring hopper 404 to move, when the pouring hopper 404 moves to a proper position, an external power supply of the electric push rod 406 is switched on, the electric push rod 406 is started, the pouring hopper 404 is driven to move through the electric push rod 406, meanwhile, concrete is poured into the pouring mold 407 through the pouring hopper 404, so that the purpose of automatic pouring is achieved, after pouring is completed, the external power supply of the vibration motor 505 is switched on, the vibration motor 505 drives the fourth transverse plate 506 to vibrate, the fourth transverse plate 506 transmits force to the concrete in the pouring mold 407, meanwhile, the fourth transverse plate 506 drives the L-shaped rod 501 and the vertical rod 510 to move, the L-shaped rod 501 extrudes the first spring 504 through the square block 502, the fourth transverse plate 506 drives the vertical rod 510 to move in the groove of the concave plate 509, so that the fourth transverse plate 506 extrudes the second spring 511, the vibration effect is improved through the elastic performance of the first spring 504 and the second spring 511, and the purpose of preventing the concrete slab from being perforated is achieved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (8)
1. The utility model provides a dedicated concrete slab of civil engineering construction pours device, includes first diaphragm (1) and tooth dental lamina (2), the upper surface rigid coupling of first diaphragm (1) has a plurality of tooth dental lamina (2), its characterized in that: the upper surface of the first transverse plate (1) is provided with a rotating device (3);
the rotating device (3) comprises a first vertical plate (301), a rotary disc (302), a second vertical plate (303), a first gear (304), a threaded rod (305) and a sleeve (306);
the left and right lower surfaces of the first risers (301) are fixedly connected with the upper surface of the first transverse plate (1), the left and right front end surfaces of the first risers (301) are rotatably connected with a rotary plate (302) through a rotary shaft, the left and right inner sides of the first risers (301) are provided with second risers (303), the left and right lower surfaces of the second risers (303) are fixedly connected with the upper surface of the first transverse plate (1), the left and right front end surfaces of the second risers (303) are rotatably connected with first gears (304) through rotary shafts, the left and right rotary shafts of the first gears (304) are rotatably connected with the rotary shafts of the rotary plate (302) through belts, threaded rods (305) are installed on the inner sides of the first gears (304), the left and right threaded rods (305) are mutually meshed with the first gears (304), the left and right outer walls below the threaded rods (305) are rotatably connected with the first transverse plate (1) through bearings, the outer wall of the upper part of the left threaded rod and the right threaded rod (305) is in threaded connection with a sleeve (306).
2. The concrete slab casting device for civil engineering construction as claimed in claim 1, wherein: the middle points of the left and right turntables (302) are on the same horizontal line with the middle point of the first gear (304).
3. The concrete slab casting device for civil engineering construction as claimed in claim 1, wherein: the left and right first vertical plates (301) and the second vertical plates (303) are parallel to each other.
4. The concrete slab casting device for civil engineering construction as claimed in claim 1, wherein: pouring devices (4) are arranged on the inner sides of the left sleeve and the right sleeve (306);
the pouring device (4) comprises a second transverse plate (401), a second gear (402), a third transverse plate (403), an injection hopper (404), a sliding block (405), an electric push rod (406), a pouring mold (407) and a workbench (408);
the inner side of the left and right second transverse plates (401) is fixedly connected with the outer side of the sleeve (306), the outer sides of the left and right second transverse plates (401) are rotatably connected with a second gear (402) through a rotating shaft, the left and right second gears (402) are meshed with the tooth plates (2), the inner sides of the left and right second transverse plates (401) are provided with a third transverse plate (403), the outer walls of the left and right sides of the third transverse plate (403) are fixedly connected with the sleeve (306), the middle of the third transverse plate (403) is provided with a sliding chute, the front end surface of the third transverse plate (403) is provided with a plurality of injection hoppers (404), the outer walls of the left and right injection hoppers (404) are fixedly connected with a sliding block (405), the outer walls of the left and right sliding blocks (405) are in clearance fit with the outer wall of the sliding chute of the third transverse plate (403), the upper part of the outer sides of the left and right injection hoppers (404) is fixedly connected with an electric push rod (, a pouring mold (407) is arranged below the left and right material injection hoppers (404), and a workbench (408) is arranged on the lower surface of the pouring mold (407).
5. The concrete slab casting device for civil engineering construction as claimed in claim 4, wherein: the meshing ratio of the second gear (402) to the tooth plate (2) is 1: 1.
6. the concrete slab casting device for civil engineering construction as claimed in claim 4, wherein: the left and right sliding blocks (405) and the third transverse plate (403) form a sliding structure.
7. The concrete slab casting device for civil engineering construction as claimed in claim 4, wherein: a vibration device (5) is arranged below the workbench (408);
the vibrating device (5) comprises an L-shaped rod (501), a square block (502), a box body (503), a first spring (504), a vibrating motor (505), a fourth transverse plate (506), a first connecting rod (507), a second connecting rod (508), a concave plate (509), a vertical rod (510) and a second spring (511);
the upper surface of the left L-shaped rod (501) and the right L-shaped rod (501) are fixedly connected with the lower surface of the workbench (408), the inner side of the left L-shaped rod (501) is fixedly connected with a square block (502), the outer wall of the left square block (502) and the outer wall of the right square block (502) are provided with a box body (503), the outer wall of the left square block (502) and the outer wall of the right square block (503) are in clearance fit with the inner wall of the box body (503), the left side and the right side of the box body (503) are both provided with a longitudinal through groove, the outer wall of the through groove of the left box body (503) is in clearance fit with the outer wall of the L-shaped rod (501), the lower surface of the left box body (503) is fixedly connected with the upper surface of a first transverse plate (1), the inside of the left box body (503) and the right box body (503) is, the lower surface rigid coupling of shock dynamo (505) has fourth diaphragm (506), the preceding terminal surface of fourth diaphragm (506) has first connecting rod (507), controls through round pin axle swing joint first connecting rod (507) below has second connecting rod (508) through round pin axle swing joint, controls the below of second connecting rod (508) has concave plate (509) through round pin axle swing joint, the lower surface of concave plate (509) links to each other with the last fixed surface of first diaphragm (1), the rigid coupling has montant (510) in the middle of the lower surface of fourth diaphragm (506), the outer wall of montant (510) and the groove department outer wall clearance fit of concave plate (509), second spring (511) are installed to the outer wall of montant (510), the upper and lower both sides of second spring (511) link to each other with fourth diaphragm (506) and concave plate (509) are fixed respectively.
8. The concrete slab casting device for civil engineering construction as claimed in claim 7, wherein: the left box body (503) and the right box body (503) are symmetrically distributed by taking the middle point of the fourth transverse plate (506) as the center.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020725916.4U CN213137150U (en) | 2020-05-07 | 2020-05-07 | Dedicated concrete slab of civil engineering construction pours device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020725916.4U CN213137150U (en) | 2020-05-07 | 2020-05-07 | Dedicated concrete slab of civil engineering construction pours device |
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| CN213137150U true CN213137150U (en) | 2021-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232788A (en) * | 2021-12-22 | 2022-03-25 | 江西省萍乡市联友建材有限公司 | Ultra-long structure concrete seamless construction structure and construction method |
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- 2020-05-07 CN CN202020725916.4U patent/CN213137150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232788A (en) * | 2021-12-22 | 2022-03-25 | 江西省萍乡市联友建材有限公司 | Ultra-long structure concrete seamless construction structure and construction method |
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Effective date of registration: 20220321 Address after: 150016 No. 8, Fuxing street, Daoli District, Harbin City, Heilongjiang Province Patentee after: Harbin Highway Engineering Co.,Ltd. Address before: 344000 Chenjia group, Shifang, Zhangjia village, Zhongling Street office, Linchuan District, Fuzhou City, Jiangxi Province Patentee before: Zeng Yinfeng |