CN112706254A - Three-dimensional assembly wallboard class component industrial production line - Google Patents
Three-dimensional assembly wallboard class component industrial production line Download PDFInfo
- Publication number
- CN112706254A CN112706254A CN202011424567.3A CN202011424567A CN112706254A CN 112706254 A CN112706254 A CN 112706254A CN 202011424567 A CN202011424567 A CN 202011424567A CN 112706254 A CN112706254 A CN 112706254A
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- Prior art keywords
- stirring
- production line
- supporting
- industrial production
- trolley
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
- B28B13/0235—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities the feed box being provided with agitating means, e.g. stirring vanes to avoid premature setting of the moulding material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a three-dimensional type industrial assembly line for assembling wall plates and other components, which comprises a stirring box, supporting legs and a trolley, wherein connecting sleeves are welded on two sides of the upper ends of two side walls of the stirring box, the supporting legs are inserted into the bottom ends of the connecting sleeves, and the trolley is arranged on one side of the lower end of the stirring box. By arranging the trolley, the conveying and moving of the materials are more flexible and convenient compared with the traditional conveying belt, the materials can be moved to different stations according to the requirements, and the use is very convenient; supporting cylinder, support column, auxiliary spring, shaking table and vibrating motor's setting can make prefabricated template constantly vibrate when receiving materials such as concrete, can make in the more even prefabricated template of entering of material, can effectively guarantee the shaping quality of three-dimensional assembled building wallboard, and prefabricated template is convenient with the shaking table dismouting, and vibrating structure need not with prefabricated template direct mount, and it is very convenient to use.
Description
Technical Field
The invention belongs to the technical field of wallboards, and particularly relates to an industrial production line for three-dimensional assembly of wallboards.
Background
The reinforced concrete plate-shaped member for building assembly, referred to as a wallboard or a wall plate, is processed and manufactured in a prefabrication plant (field) or a building site. The assembled large-plate building is built by adopting the wall plates, the factory and mechanical construction degree can be improved, the field wet operation is reduced, the field labor is saved, the seasonal influence is overcome, and the building construction period is shortened. The wallboard industry has developed rapidly in china since the first wallboard dwelling was built in beijing in 1958. The adoption of wall panels to construct fully-assembled and assembled integral large-panel buildings has become one of the ways of the industrialized development of buildings in China. With the continuous improvement of the building industrialization level, the outer wall panel facing should adopt the process of finishing the facing layer in the decorative concrete or pouring as much as possible to accelerate the engineering speed. A three-dimensional assembled building wallboard component is one of wallboards.
The existing three-dimensional assembly wallboard component industrial production line mostly adopts a conveying belt to convey materials or products, conveying limitation is large, the materials and the products are not flexible enough to move, use is inconvenient, when concrete enters a prefabricated template, vibration equipment and the prefabricated template are required to be installed and fixed, use is very inconvenient, a steam curing room is mostly of a single-door structure, the materials are inconvenient to pass in and out, pressure protection measures are lacked in the steam curing room, and practicability is not enough.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide an industrial production line for three-dimensional assembly of wallboard components, in order to solve the technical problem, the invention adopts the basic concept of the technical scheme that:
the utility model provides a three-dimensional assembly wallboard class component industry assembly line, includes agitator tank, supporting leg and platform truck, the adapter sleeve has all been welded to agitator tank both sides wall upper end both sides, it has to peg graft in the adapter sleeve bottom the supporting leg, agitator tank lower extreme one side is provided with the platform truck, platform truck upper end four corners department all is provided with a support section of thick bamboo, the bottom is provided with auxiliary spring in the support section of thick bamboo, the auxiliary spring upper end is provided with the support column, the support column upper end is provided with the shaking table, shaking table upper end one side is provided with vibrating motor, is located vibrating motor one side the shaping of shaking table upper end has the fixed slot, be provided with prefabricated template in the fixed slot, the platform truck is kept away from supporting leg.
There is agitator motor agitator tank another lateral wall middle part through bolted connection, the agitator motor output run through the agitator tank lateral wall, and with the agitator tank lateral wall passes through the bearing and connects, the agitator motor output has the stirring roller through the key-type connection.
The stirring roller with the agitator tank lateral wall passes through the bearing and connects, the welding has the stirring rod on the stirring roller, the agitator tank inner wall the stirring roller surface and the equal spraying of stirring rod surface has special fluorine dragon coating.
The stirring box is characterized in that a discharge hopper is welded on one side of the lower end of the stirring box, an electromagnetic valve is connected to the discharge hopper through a bolt, the lower end of the supporting cylinder is connected with the upper end of the trolley through a bolt, the lower end of the auxiliary spring is in lap joint with the bottom end of the supporting cylinder, and the upper end of the auxiliary spring is in lap joint with the lower end of the supporting column.
The utility model discloses a vibration table, including support column, vibrating table, supporting column, prefabricated template, vibrating table, support column outer wall with a support section of thick bamboo inner wall sliding connection, the support column upper end with the shaking table lower extreme passes through bolted connection, vibrating motor with the shaking table upper end passes through bolted connection, prefabricated template with the shaking table passes through the fixed slot is connected.
The middle parts of the two side walls of the steam curing room are connected with a lifting door through sliding grooves, the middle part of the upper end of the lifting door is welded with a connecting frame, and a supporting plate is arranged on one side of the connecting frame.
The welding of backup pad upper end has the roof, roof lower extreme middle part has electric block through bolted connection, electric block's wire rope twines on the link.
The steam-curing chamber is characterized in that the middle of the upper end of the steam-curing chamber is connected with a steam generator through a bolt, the middle of the lower end of the steam generator is connected with a gas pipe through a flange, the gas pipe penetrates through the upper end of the steam-curing chamber, and the periphery of the lower end of the gas pipe is connected with a pipe head cover through a screw.
The top end of the steam curing chamber, which is positioned on one side of the tube head cover, is connected with a temperature sensor through a screw, the top end of the steam curing chamber, which is positioned on one side of the steam generator, is spliced with an exhaust pipe, and the upper end of the exhaust pipe is connected with a safety valve through a flange.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
By arranging the trolley, the conveying and moving of the materials are more flexible and convenient compared with the traditional conveying belt, the materials can be moved to different stations according to the requirements, and the use is very convenient; the arrangement of the supporting cylinder, the supporting columns, the auxiliary springs, the vibrating table and the vibrating motor can enable the prefabricated template to continuously vibrate when receiving materials such as concrete and the like, so that the materials can more uniformly enter the prefabricated template, the forming quality of the three-dimensional assembled building wallboard can be effectively ensured, the prefabricated template and the vibrating table are convenient to disassemble and assemble, the vibrating structure is not required to be directly installed with the prefabricated template, and the use is very convenient; the design of two overhead doors on evaporating and curing the room can make the entering and shifting out of material more convenient, and the setting of relief valve can prevent evaporating and curing indoor pressure too big, can further guarantee evaporating of three-dimensional assembled building wallboard and curing, the shaping quality.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional view of a support cylinder of the present invention;
FIG. 3 is a schematic view of the structure of the cart of the present invention;
FIG. 4 is a front cross-sectional view of the agitator tank of the present invention;
FIG. 5 is a front sectional view of the steam chamber of the present invention.
In the figure: 1-a stirring box; 2-connecting sleeves; 3-supporting legs; 4-trolley; 5-a support cylinder; 6-auxiliary spring; 7-a support column; 8-a vibration table; 9-a vibration motor; 10-a fixed groove; 11-prefabricating a template; 12-a steam curing room; 13-a stirring motor; 14-a stirring roller; 15-a stirring rod; 16-a discharge hopper; 17-a solenoid valve; 18-a lift gate; 19-a connecting frame; 20-a support plate; 21-a top plate; 22-electric hoist; 23-a steam generator; 24-gas transmission pipe; 25-a tube head cover; 26-a temperature sensor; 27-an exhaust pipe; 28-safety valve.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
Example one
As shown in fig. 1-5, a three-dimensional assembly wall panel class component industrial production line, including agitator tank 1, supporting leg 3 and platform truck 4, adapter sleeve 2 has all been welded to agitator tank 1 both sides wall upper end both sides, adapter sleeve 2 inner bottom end is pegged graft and is had supporting leg 3, 1 lower extreme one side of agitator tank is provided with platform truck 4, platform truck 4 upper end four corners department all is provided with supporting cylinder 5, supporting cylinder 5 inner bottom end is provided with auxiliary spring 6, auxiliary spring 6 upper end is provided with support column 7, support column 7 upper end is provided with shaking table 8, shaking table 8 upper end one side is provided with vibrating motor 9, the shaping of shaking table 8 upper end that is located vibrating motor 9 one side has fixed slot 10, be provided with prefabricated template 11 in the fixed slot 10, platform truck 4 keeps away from 3 one side and is provided with steam.
As shown in fig. 1-3, the middle part of the other side wall of the stirring tank 1 is connected with a stirring motor 13 through a bolt, the output end of the stirring motor 13 penetrates through the side wall of the stirring tank 1 and is connected with the side wall of the stirring tank 1 through a bearing, and the output end of the stirring motor 13 is connected with a stirring roller 14 through a key; the stirring roller 14 is connected with the side wall of the stirring box 1 through a bearing, the stirring rod 15 is welded on the stirring roller 14, and Teflon coatings are sprayed on the inner wall of the stirring box 1, the surface of the stirring roller 14 and the surface of the stirring rod 15; a discharge hopper 16 is welded on one side of the lower end of the stirring box 1, an electromagnetic valve 17 is connected to the discharge hopper 16 through a bolt, the lower end of the support cylinder 5 is connected with the upper end of the trolley 4 through a bolt, the lower end of the auxiliary spring 6 is lapped with the bottom end of the support cylinder 5, and the upper end of the auxiliary spring 6 is lapped with the lower end of the support column 7; support column 7 outer wall and 5 inner wall sliding connection of a support section of thick bamboo, the bolted connection is passed through with 8 lower extremes of shaking table in support column 7 upper end, and bolted connection is passed through with 8 upper ends of shaking table to vibrating motor 9, and prefabricated template 11 is connected through fixed slot 10 with 8 shaking tables.
In this example, the prefabricated form 11 needs to be placed into a steel bar net rack before use, materials such as concrete are not easily adhered to the inner wall of the stirring box 1, the surface of the stirring roller 14 and the surface of the stirring rod 15 which are coated with the teflon coating, the stirring motor 13 can drive the stirring roller 14 and the stirring rod 15 to rotate when in work, further, the stirring roller 14 and the stirring rod 15 stir the materials in the stirring box 1, after the materials are stirred, the trolley 4 moves to a proper position below the discharge hopper 16, the electromagnetic valve 17 is opened, the stirred materials in the stirring box 1 flow into the prefabricated template 11 through the discharge hopper 16, when the material enters the prefabricated template 11, the vibration motor 9 can drive the vibration table 8 and the prefabricated template 11 to vibrate continuously under the assistance of the supporting cylinder 5, the supporting column 7 and the auxiliary spring 6, so that the materials such as concrete can uniformly enter the bottom of the pre-supporting template until the die cavity on the pre-supporting template 11 is filled.
As shown in fig. 1-5, the middle parts of the two side walls of the steam curing chamber 12 are connected with a lifting door 18 through sliding grooves, the middle part of the upper end of the lifting door 18 is welded with a connecting frame 19, and one side of the connecting frame 19 is provided with a supporting plate 20; a top plate 21 is welded at the upper end of the supporting plate 20, an electric hoist 22 is connected to the middle of the lower end of the top plate 21 through a bolt, and a steel wire rope of the electric hoist 22 is wound on the connecting frame 19; the middle part of the upper end of the steam curing chamber 12 is connected with a steam generator 23 through a bolt, the middle part of the lower end of the steam generator 23 is connected with a gas pipe 24 through a flange, the gas pipe 24 penetrates through the upper end of the steam curing chamber 12, and the periphery of the lower end of the gas pipe 24 is connected with a pipe head cover 25 through a screw; the top end of the steam chamber 12 at one side of the pipe head cover 25 is connected with a temperature sensor 26 through a screw, the top end of the steam chamber 12 at one side of the steam generator 23 is inserted with an exhaust pipe 27, and the upper end of the exhaust pipe 27 is connected with a safety valve 28 through a flange.
In this example, the electric hoist 22 can lift the connecting frame 19 and the lifting door 18 through the steel wire rope when working, then the trolley 4 carries the prefabricated template 11 into the steam curing chamber 12, the lifting door 18 is closed, the steam generator 23 can continuously generate steam when working, then the steam is discharged into the steam curing chamber 12 through the gas pipe 24 and the pipe head cover 25 to steam the unformed three-dimensional assembled building wallboard in the prefabricated template 11, the temperature sensor 26 can sense the temperature in the steam curing chamber 12 in real time and feed back the sensing information to the external control equipment of the production line, so that the external control equipment can regulate and control the steam generator 23, the temperature in the steam curing chamber 12 meets the steam curing and forming requirements of the three-dimensional assembled building wallboard, the external control equipment can set the limit value of the safety valve 28 to release pressure, when sensing that the pressure in the steam curing chamber 12 is too high to reach the limit value, the steam curing chamber 12 is opened to release the pressure, so that the overhigh pressure in the steam curing chamber 12 can be prevented, and the steam curing device is very practical.
The working principle of the invention is as follows: a three-dimensional assembly wallboard component industrial production line uses an external power supply and is controlled by external control equipment to work, during production, materials such as concrete are conveyed to a stirring box 1 by feeding equipment, a stirring motor 13 can drive a stirring roller 14 and a stirring rod 15 to rotate when working, so that the stirring roller 14 and the stirring rod 15 stir the materials in the stirring box 1, after the materials are stirred, a trolley 4 moves to a proper position below a discharge hopper 16, an electromagnetic valve 17 is opened, the stirred materials in the stirring box 1 flow into a prefabricated template 11 through the discharge hopper 16, at the moment, a vibration motor 9 also works, the vibration motor 9 can drive a vibration table 8 and the prefabricated template 11 to vibrate continuously under the assistance of a support cylinder 5, a support column 7 and an auxiliary spring 6, so that the materials such as concrete can uniformly enter the bottom of the prefabricated template until a die cavity on the prefabricated template 11 is filled, the electric hoist 22 can hoist the connecting frame 19 and the lifting door 18 close to one side of the stirring box 1 by a steel wire rope during operation, then the trolley 4 with the prefabricated template 11 enters the steam curing chamber 12, the lifting door 18 is closed, the steam generator 23 can continuously generate steam when working, and then the steam is discharged into the steam curing chamber 12 through the gas pipe 24 and the pipe head cover 25, the unformed three-dimensional assembled building wallboard in the prefabricated template 11 is steamed, the temperature sensor 26 senses the temperature in the steaming room 12 in real time and feeds the sensed information back to the external control equipment of the production line, so that the external control equipment can regulate and control the steam generator 23, the temperature in the steam curing chamber 12 meets the steam curing and forming requirements of the three-dimensional assembly type building wall board, after the steam curing of the three-dimensional assembled building wallboard is finished, the lifting door 18 on the side far away from the stirring box 1 is lifted, and then the trolley 4 carries the finished three-dimensional assembled building wallboard to move out of the steam curing chamber 12.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A three-dimensional assembly wall plate component industrial production line comprises a stirring box (1), supporting legs (3) and a trolley (4), and is characterized in that connecting sleeves (2) are welded on two sides of the upper end of two side walls of the stirring box (1), the supporting legs (3) are inserted into the inner bottom ends of the connecting sleeves (2), the trolley (4) is arranged on one side of the lower end of the stirring box (1), supporting cylinders (5) are arranged at four corners of the upper end of the trolley (4), auxiliary springs (6) are arranged at the inner bottom ends of the supporting cylinders (5), supporting columns (7) are arranged at the upper ends of the auxiliary springs (6), a vibrating table (8) is arranged at the upper ends of the supporting columns (7), a vibrating motor (9) is arranged on one side of the upper end of the vibrating table (8), and fixing grooves (10) are formed in the upper ends of the vibrating table (8) on one, be provided with prefabricated template (11) in fixed slot (10), platform truck (4) are kept away from supporting leg (3) one side is provided with evaporates foster room (12).
2. The vertical assembly wallboard component industrial production line of claim 1, wherein a stirring motor (13) is connected to the middle of the other side wall of the stirring tank (1) through a bolt, the output end of the stirring motor (13) penetrates through the side wall of the stirring tank (1) and is connected with the side wall of the stirring tank (1) through a bearing, and the output end of the stirring motor (13) is connected with a stirring roller (14) through a key.
3. The three-dimensional assembly wall panel component industrial production line of claim 2, wherein the stirring roller (14) is connected with the side wall of the stirring box (1) through a bearing, a stirring rod (15) is welded on the stirring roller (14), and teflon coatings are sprayed on the inner wall of the stirring box (1), the surface of the stirring roller (14) and the surface of the stirring rod (15).
4. The three-dimensional assembly wall plate component industrial production line according to claim 3, wherein a discharge hopper (16) is welded on one side of the lower end of the stirring box (1), an electromagnetic valve (17) is connected to the discharge hopper (16) through a bolt, the lower end of the support cylinder (5) is connected to the upper end of the trolley (4) through a bolt, the lower end of the auxiliary spring (6) is in lap joint with the inner bottom end of the support cylinder (5), and the upper end of the auxiliary spring (6) is in lap joint with the lower end of the support column (7).
5. The three-dimensional assembly wallboard component industrial production line according to claim 4, wherein the outer wall of the supporting column (7) is slidably connected with the inner wall of the supporting cylinder (5), the upper end of the supporting column (7) is connected with the lower end of the vibrating table (8) through a bolt, the vibrating motor (9) is connected with the upper end of the vibrating table (8) through a bolt, and the prefabricated formwork (11) is connected with the vibrating table (8) through the fixing groove (10).
6. The three-dimensional assembly wall plate type component industrial production line as claimed in claim 1, wherein a lifting door (18) is connected to the middle portions of two side walls of the steam curing chamber (12) through sliding grooves, a connecting frame (19) is welded to the middle portion of the upper end of the lifting door (18), and a supporting plate (20) is arranged on one side of the connecting frame (19).
7. The vertical assembly wallboard component industrial production line of claim 6, wherein a top plate (21) is welded to the upper end of the supporting plate (20), an electric hoist (22) is connected to the middle of the lower end of the top plate (21) through a bolt, and a steel wire rope of the electric hoist (22) is wound on the connecting frame (19).
8. The three-dimensional assembly wall plate component industrial production line according to claim 7, wherein a steam generator (23) is connected to the middle of the upper end of the steam curing chamber (12) through bolts, a gas pipe (24) is connected to the middle of the lower end of the steam generator (23) through a flange, the gas pipe (24) penetrates through the upper end of the steam curing chamber (12), and a pipe head cover (25) is connected to the periphery of the lower end of the gas pipe (24) through screws.
9. The vertical assembly wallboard component industrial production line according to claim 8, wherein a temperature sensor (26) is connected to the top end of the steam chamber (12) on one side of the pipe head cover (25) through a screw, an exhaust pipe (27) is inserted to the top end of the steam chamber (12) on one side of the steam generator (23), and a safety valve (28) is connected to the upper end of the exhaust pipe (27) through a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011424567.3A CN112706254A (en) | 2020-12-08 | 2020-12-08 | Three-dimensional assembly wallboard class component industrial production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011424567.3A CN112706254A (en) | 2020-12-08 | 2020-12-08 | Three-dimensional assembly wallboard class component industrial production line |
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| Publication Number | Publication Date |
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| CN112706254A true CN112706254A (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011424567.3A Pending CN112706254A (en) | 2020-12-08 | 2020-12-08 | Three-dimensional assembly wallboard class component industrial production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858405A (en) * | 2021-09-10 | 2021-12-31 | 中铁二十五局集团第一工程有限公司 | Prefabricated system of assembled barricade |
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| CN207027811U (en) * | 2017-02-22 | 2018-02-23 | 北京城建九秋实混凝土有限公司 | A kind of concrete vibrating stand |
| CN209095762U (en) * | 2018-07-26 | 2019-07-12 | 中铁电工德阳制品有限公司 | A kind of pillar production line |
| CN209521064U (en) * | 2018-10-23 | 2019-10-22 | 石家庄哈迪硅酸钙板业有限公司 | A kind of production cement plate still kettle |
| CN209812634U (en) * | 2019-02-23 | 2019-12-20 | 河北金涛建设工程质量检测有限公司 | Concrete shaking table |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204367157U (en) * | 2014-12-18 | 2015-06-03 | 山东天意机械股份有限公司 | Production line for self-insulation building block |
| CN207027811U (en) * | 2017-02-22 | 2018-02-23 | 北京城建九秋实混凝土有限公司 | A kind of concrete vibrating stand |
| CN209095762U (en) * | 2018-07-26 | 2019-07-12 | 中铁电工德阳制品有限公司 | A kind of pillar production line |
| CN209521064U (en) * | 2018-10-23 | 2019-10-22 | 石家庄哈迪硅酸钙板业有限公司 | A kind of production cement plate still kettle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113858405A (en) * | 2021-09-10 | 2021-12-31 | 中铁二十五局集团第一工程有限公司 | Prefabricated system of assembled barricade |
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Application publication date: 20210427 |
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