CN111548191B - Steam curing vehicle for producing aerated concrete plates - Google Patents
Steam curing vehicle for producing aerated concrete plates Download PDFInfo
- Publication number
- CN111548191B CN111548191B CN202010570056.6A CN202010570056A CN111548191B CN 111548191 B CN111548191 B CN 111548191B CN 202010570056 A CN202010570056 A CN 202010570056A CN 111548191 B CN111548191 B CN 111548191B
- Authority
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- China
- Prior art keywords
- frame
- ferry
- rod
- aerated concrete
- support frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004567 concrete Substances 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010025 steaming Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 239000011455 calcium-silicate brick Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/024—Steam hardening, e.g. in an autoclave
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a steam curing vehicle for producing aerated concrete plates, which comprises a ferry frame, wherein roller bins are arranged at four corners of the ferry frame, rollers are rotatably connected in the four roller bins, one end of the ferry frame is provided with a driving mechanism, the driving mechanism is in transmission fit with two rollers, a support frame is fixed at the top of the ferry frame, metal rails are fixed at both sides of the top of the support frame, a cushion block is arranged between the metal rails and the support frame, a rotating frame is rotatably arranged at the outer side of the support frame, extension rails are slidably arranged at both sides of the rotating frame, a transverse bar is connected between the two extension rails, an adjusting assembly is arranged between the transverse bar and the rotating frame, and a rotating mechanism for adjusting the angle of the rotating frame is arranged in the support frame. The invention is safer and more reliable, saves manpower, avoids the danger caused by manual operation, has high efficiency, is more convenient to position and fix, and improves the stability of the ferry vehicle frame after positioning.
Description
Technical Field
The invention relates to the technical field of bridge ferry vehicles, in particular to a steam curing vehicle for producing aerated concrete slabs.
Background
The autoclave is also called a steam curing kettle, and is a large-sized pressure vessel with huge volume and heavy weight. The autoclave has very wide application, and is widely applied to the autoclaved curing of building materials such as aerated concrete blocks, concrete pipe piles, sand lime bricks, coal ash bricks, microporous calcium silicate plates, heat insulation asbestos plates, high-strength gypsum and the like. Meanwhile, the method is also widely applicable to production projects of rubber products, wood drying and anti-corrosion treatment, heavy metal smelting, refractory brick oil infiltration, glass steaming, chemical fiber product high-pressure treatment, food can high-temperature and high-pressure treatment, pulp steaming, cable vulcanization, fishing net shaping, and other pressure steaming health preserving production process procedures in the chemical industry, the medical industry, the aerospace industry and the like. In production practice, the gap bridge space around the steam curing kettle is narrow, workers often need to push a five-sixty-degree high-temperature manual rail or manually push a gap bridge trolley to enable the steam curing trolley to normally enter and exit the steam curing kettle, potential hazards exist for the health of the workers in the working environment, the working efficiency is low, the production efficiency of products is affected, and the cost of the products is increased, so that the steam curing trolley for producing the aerated concrete plates is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a steam curing vehicle for producing an aerated concrete plate.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a production aerated concrete panel is with evaporating car that nourishes, includes the ferry frame, four corners of ferry frame all are provided with the gyro wheel storehouse, and all rotate in four gyro wheel warehouses and be connected with the gyro wheel, ferry frame one end is provided with actuating mechanism, and actuating mechanism and two gyro wheels formation transmission cooperation wherein, ferry frame top is fixed with the support frame, support frame top both sides all are fixed with the metal rail, and are provided with the cushion between metal rail and the support frame, the support frame outside rotates and is provided with the swivel mount, and the swivel mount both sides all slide and be provided with the extension rail, two be connected with the horizontal bar between the extension rail, be provided with adjusting part between horizontal bar and the swivel mount, be provided with the rotary mechanism who is used for adjusting swivel mount angle in the support frame, the metal rail is close to extension rail one end and is provided with first inclined plane, and the extension rail is provided with the second inclined plane near metal rail one end, be provided with the locating pin on the second inclined plane, and be provided with the constant head tank with on the first inclined plane looks adaptation, be provided with automobile body positioning mechanism in the ferry frame.
Preferably, the driving mechanism comprises a gear motor fixed at one end of the ferry vehicle frame, two ends of an output shaft of the gear motor are connected with transmission shafts through a coupling, and the two transmission shafts are respectively connected with the axle centers of two of the rollers.
Preferably, the adjusting component comprises a first pneumatic telescopic rod fixed on the transverse bar, the telescopic end of the first pneumatic telescopic rod is connected with the rotating frame, a plurality of strip-shaped guide holes are formed in two sides of the rotating frame, a plurality of guide posts are arranged on one opposite sides of the two extension rails, and the guide posts are spliced with the strip-shaped guide holes.
Preferably, the rotary mechanism comprises a second pneumatic telescopic rod hinged with the inner wall of one side of the support frame, the inside of the support frame is rotationally provided with a shaft lever, the rotary frame is rotationally connected with the support frame through the shaft lever, the middle part of the shaft lever is welded with a rotary arm, and the telescopic end of the second pneumatic telescopic rod is hinged with one end of the rotary arm.
Preferably, the automobile body positioning mechanism is including setting up metal pole and the location fixture block in the ferry frame, the equal cover in metal pole both ends position department is equipped with the slip cap, and two slip cap lateral walls all rotate and be connected with the support arm, the hinge groove has been opened to location fixture block one side, and two support arm one ends all articulate with the hinge groove inner wall, metal pole middle part symmetry is fixed with two third pneumatic telescopic links, and the flexible end of two third pneumatic telescopic links respectively with two slip cap lateral wall fixed connection.
Preferably, a transverse block is welded at one side of the middle part of the metal rod, which is close to the positioning clamping block, a positioning hole is formed in the transverse block, a positioning rod is inserted into the positioning hole, and one end of the positioning rod is fixedly connected with the positioning clamping block.
The beneficial effects of the invention are as follows: through the locating pin, the connection strength of the extension rail and the metal rail is improved, the stability after connection is improved, shaking in the moving process of the steam-curing vehicle is reduced, the steam-curing vehicle is safer and more reliable, the quick construction of the extension rail is realized by matching with the rotating mechanism, the manpower is saved, the danger caused by manual operation is avoided, and the efficiency is high; through the sliding sleeve that sets up, cooperation support arm and positioning fixture block can realize that positioning fixture block removes along vertical direction, and it is fixed to make things convenient for the location more, promotes the stability of ferry vehicle frame after the location.
Drawings
Fig. 1 is a schematic side view of a steam curing vehicle for producing an aerated concrete panel according to the present invention.
Fig. 2 is a schematic structural view of an extension rail of a steam curing vehicle for producing an aerated concrete panel according to the present invention.
Fig. 3 is a schematic structural view of a ferry frame of a steam-curing vehicle for producing aerated concrete plates.
In the figure: 1 gear motor, 2 ferry frame, 3 transmission shafts, 4 gyro wheels, 5 gyro wheel warehouses, 6 cushion blocks, 7 support frames, 8 metal rails, 9 swivel mount, 10 locating pins, 11 first inclined planes, 12 horizontal bars, 13 first pneumatic telescopic links, 14 second pneumatic telescopic links, 15 rotating arms, 16 extension rails, 17 guide posts, 18 locating clamping blocks, 19 locating rods, 20 horizontal blocks, 21 sliding sleeves, 22 metal rods, 23 third pneumatic telescopic links and 24 support arms.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-3, a steam curing car for producing aerated concrete slabs, including ferry frame 2, four corners of ferry frame 2 all are provided with gyro wheel storehouse 5, and all rotate in four gyro wheel storehouse 5 and be connected with gyro wheel 4, ferry frame 2 one end is provided with actuating mechanism, and actuating mechanism forms transmission cooperation with two gyro wheels 4 wherein, ferry frame 2 top is fixed with support frame 7, support frame 7 top both sides all are fixed with metal rail 8, and be provided with cushion 6 between metal rail 8 and the support frame 7, support frame 7 outside rotates and is provided with swivel frame 9, and swivel frame 9 both sides all slide and are provided with extension rail 16, be connected with horizontal bar 12 between two extension rails 16, be provided with adjusting part between horizontal bar 12 and the swivel frame 9, be provided with the rotary mechanism who is used for adjusting swivel frame 9 angle in the support frame 7, metal rail 8 is close to extension rail 16 one end and is provided with first inclined plane, and extension rail 16 is provided with the second inclined plane near metal rail 8 one end, be provided with locating pin 10 on the second inclined plane, and be provided with the constant head pin 10 looks adaptation's constant head tank on the first inclined plane, be provided with the car body 2 positioning mechanism.
According to the invention, the driving mechanism comprises a gear motor 1 fixed at one end of a ferry frame 2, two ends of an output shaft of the gear motor 1 are connected with a transmission shaft 3 through a coupling, the two transmission shafts 3 are respectively connected with the axle centers of two rollers 4, an adjusting component comprises a first pneumatic telescopic rod 13 fixed on a transverse bar 12, the telescopic ends of the first pneumatic telescopic rod 13 are connected with a rotating frame 9, two sides of the rotating frame 9 are respectively provided with a plurality of strip-shaped guide holes, two opposite sides of two extension rails 16 are respectively provided with a plurality of guide posts 17, the guide posts 17 are connected with the strip-shaped guide holes in an inserting mode, the rotating mechanism comprises a second pneumatic telescopic rod 14 hinged with one side inner wall of a supporting frame 7, a shaft rod is rotatably arranged in the supporting frame 7, the rotating frame 9 is rotatably connected with the supporting frame 7 through a shaft rod, the middle part of the shaft rod is welded with a rotating arm 15, the telescopic ends of the second pneumatic telescopic rod 14 are hinged with one end of the rotating arm 15, the vehicle body positioning mechanism comprises a metal rod 22 and a positioning fixture block 18 arranged in the ferry frame 2, two side walls of the metal rod 22 are respectively sleeved with a sliding sleeve 21, two side walls 21 are respectively connected with two side walls of the two positioning fixture blocks 24, two side walls of the sliding sleeve 23 are respectively connected with two positioning fixture blocks 20, two side wall positioning fixture blocks are respectively connected with two side wall positioning fixture blocks are connected with two side wall positioning fixture blocks 20, and two side positioning fixture blocks are respectively, two side positioning fixture blocks are connected with two positioning fixture blocks are respectively, and two positioning fixture blocks are connected with two positioning fixture blocks are respectively, and are provided with two, and are respectively, and has a positioning fixture is provided with a positioning device, and has a device is and has a device.
Working principle: under the driving effect of the driving mechanism, the roller 4 is realized to rotate, the ferry frame 2 is driven to move to a proper position, the two third pneumatic telescopic rods 23 are controlled to shrink, the positioning clamping blocks 18 are matched with the sliding sleeves 21 and the supporting arms 24 to move downwards, the ferry frame 2 is positioned by being clamped with the positioning grooves in the running rails, the second pneumatic telescopic rods 14 are controlled to work, the rotating arms 15 and the rotating shafts are matched, the rotating regulation of the rotating frame 9 is realized, the extension rail 16 is enabled to rotate, when the extension rail 16 and the metal rail 8 are positioned in the same straight line, the first pneumatic telescopic rods 13 are controlled to shrink, the extension rail 16 moves relative to the rotating frame 9, the positioning pins 10 are clamped into the positioning grooves, and the butt joint of the extension rail 16 and the metal rail 8 is realized.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a production is steaming car for aerated concrete panel, includes ferry frame (2), its characterized in that, four corners of ferry frame (2) all are provided with gyro wheel storehouse (5), and all rotate in four gyro wheel storehouse (5) and be connected with gyro wheel (4), ferry frame (2) one end is provided with actuating mechanism, and actuating mechanism and wherein two gyro wheels (4) form transmission cooperation, ferry frame (2) top is fixed with support frame (7), support frame (7) both sides all are fixed with metal rail (8), and be provided with cushion (6) between metal rail (8) and support frame (7), support frame (7) outside rotation is provided with swivel mount (9), and swivel mount (9) both sides all slide and be provided with extension rail (16), two be connected with diaphragm (12) between extension rail (16), be provided with between diaphragm (12) and swivel mount (9) and be provided with the rotation mechanism that is used for adjusting swivel mount (9) angle in support frame (7), metal rail (8) are close to extension rail (16) and are provided with first inclined plane (10) and are provided with locating pin (10) and are close to first inclined plane (10) and are provided with on the first inclined plane and are located inclined plane (10), a car body positioning mechanism is arranged in the ferry car frame (2).
2. The steam curing vehicle for producing the aerated concrete plates according to claim 1, wherein the driving mechanism comprises a gear motor (1) fixed at one end of the ferry vehicle frame (2), two ends of an output shaft of the gear motor (1) are connected with transmission shafts (3) through shaft connectors, and the two transmission shafts (3) are respectively connected with the axle centers of two rollers (4).
3. A steam curing vehicle for producing aerated concrete slabs according to claim 2, characterized in that the adjusting component comprises a first pneumatic telescopic rod (13) fixed on a cross bar (12), the telescopic end of the first pneumatic telescopic rod (13) is connected with a rotating frame (9), a plurality of strip-shaped guide holes are formed in two sides of the rotating frame (9), a plurality of guide posts (17) are formed in one opposite side of two extension rails (16), and the guide posts (17) are spliced with the strip-shaped guide holes.
4. A steam curing vehicle for producing aerated concrete slabs according to claim 3, characterized in that the rotating mechanism comprises a second pneumatic telescopic rod (14) hinged with the inner wall of one side of the supporting frame (7), a shaft rod is rotatably arranged in the supporting frame (7), the rotating frame (9) is rotatably connected with the supporting frame (7) through the shaft rod, a rotating arm (15) is welded in the middle of the shaft rod, and the telescopic end of the second pneumatic telescopic rod (14) is hinged with one end of the rotating arm (15).
5. The steam curing vehicle for producing aerated concrete slabs according to claim 4, wherein the vehicle body positioning mechanism comprises a metal rod (22) and positioning clamping blocks (18) which are arranged in the ferry vehicle frame (2), sliding sleeves (21) are sleeved at two ends of the metal rod (22), supporting arms (24) are rotatably connected to the side walls of the two sliding sleeves (21), a hinge groove is formed in one side of the positioning clamping blocks (18), one ends of the two supporting arms (24) are hinged to the inner wall of the hinge groove, two third pneumatic telescopic rods (23) are symmetrically fixed to the middle of the metal rod (22), and the telescopic ends of the two third pneumatic telescopic rods (23) are fixedly connected with the side walls of the two sliding sleeves (21) respectively.
6. The steam curing vehicle for producing aerated concrete slabs according to claim 5, wherein a transverse block (20) is welded on one side, close to the positioning clamping block (18), of the middle part of the metal rod (22), a positioning hole is formed in the transverse block (20), a positioning rod (19) is inserted into the positioning hole, and one end of the positioning rod (19) is fixedly connected with the positioning clamping block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570056.6A CN111548191B (en) | 2020-06-21 | 2020-06-21 | Steam curing vehicle for producing aerated concrete plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570056.6A CN111548191B (en) | 2020-06-21 | 2020-06-21 | Steam curing vehicle for producing aerated concrete plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111548191A CN111548191A (en) | 2020-08-18 |
| CN111548191B true CN111548191B (en) | 2024-01-23 |
Family
ID=72003470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010570056.6A Active CN111548191B (en) | 2020-06-21 | 2020-06-21 | Steam curing vehicle for producing aerated concrete plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111548191B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3106725U (en) * | 2004-07-21 | 2005-01-20 | 丸栄コンクリート工業株式会社 | Conveying wheel for concrete block |
| CN102658593A (en) * | 2012-05-29 | 2012-09-12 | 宁夏木尔马建材有限公司 | Movable bridge for steam-pressed aerated concrete block steam-curing car to enter autoclave |
| CN202828794U (en) * | 2012-09-14 | 2013-03-27 | 常州力顿机械科技有限公司 | Still kettle front-back automatic bridge ferry vehicle |
| CN204160616U (en) * | 2014-09-10 | 2015-02-18 | 潍坊恒联新型建材有限公司 | A kind of steaming maintaining vehicle apparatus for feeding |
| CN104669425A (en) * | 2015-03-12 | 2015-06-03 | 安徽科达机电有限公司 | Transition device and transition method for steam-pressing vehicle |
| CN105059850A (en) * | 2015-07-06 | 2015-11-18 | 东岳机械集团有限公司 | Traveling rail adjustable fixing device based on autoclaved aerated concrete |
| CN109177987A (en) * | 2018-10-31 | 2019-01-11 | 东岳机械股份有限公司 | One kind is based on sand lime brick production ferry bus driving mechanism |
| CN209478499U (en) * | 2019-08-07 | 2019-10-11 | 盐城珹新建材有限公司 | A kind of steam-cured trolley of aerated-block brick production line |
| CN210453163U (en) * | 2019-06-04 | 2020-05-05 | 江苏天元智能装备股份有限公司 | Automatic marshalling gap bridge trolley in front of kettle |
| CN212352394U (en) * | 2020-06-21 | 2021-01-15 | 东岳机械股份有限公司 | Full-automatic gap bridge trolley for producing aerated concrete plates |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6827570B2 (en) * | 2000-06-29 | 2004-12-07 | Amazon Forms One, Inc. | Method and apparatus for manufacture of unitary lightweight concrete composite blocks |
-
2020
- 2020-06-21 CN CN202010570056.6A patent/CN111548191B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3106725U (en) * | 2004-07-21 | 2005-01-20 | 丸栄コンクリート工業株式会社 | Conveying wheel for concrete block |
| CN102658593A (en) * | 2012-05-29 | 2012-09-12 | 宁夏木尔马建材有限公司 | Movable bridge for steam-pressed aerated concrete block steam-curing car to enter autoclave |
| CN202828794U (en) * | 2012-09-14 | 2013-03-27 | 常州力顿机械科技有限公司 | Still kettle front-back automatic bridge ferry vehicle |
| CN204160616U (en) * | 2014-09-10 | 2015-02-18 | 潍坊恒联新型建材有限公司 | A kind of steaming maintaining vehicle apparatus for feeding |
| CN104669425A (en) * | 2015-03-12 | 2015-06-03 | 安徽科达机电有限公司 | Transition device and transition method for steam-pressing vehicle |
| CN105059850A (en) * | 2015-07-06 | 2015-11-18 | 东岳机械集团有限公司 | Traveling rail adjustable fixing device based on autoclaved aerated concrete |
| CN109177987A (en) * | 2018-10-31 | 2019-01-11 | 东岳机械股份有限公司 | One kind is based on sand lime brick production ferry bus driving mechanism |
| CN210453163U (en) * | 2019-06-04 | 2020-05-05 | 江苏天元智能装备股份有限公司 | Automatic marshalling gap bridge trolley in front of kettle |
| CN209478499U (en) * | 2019-08-07 | 2019-10-11 | 盐城珹新建材有限公司 | A kind of steam-cured trolley of aerated-block brick production line |
| CN212352394U (en) * | 2020-06-21 | 2021-01-15 | 东岳机械股份有限公司 | Full-automatic gap bridge trolley for producing aerated concrete plates |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111548191A (en) | 2020-08-18 |
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