CN214819668U - Automatic batching system for recycled concrete - Google Patents
Automatic batching system for recycled concrete Download PDFInfo
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- CN214819668U CN214819668U CN202121382443.3U CN202121382443U CN214819668U CN 214819668 U CN214819668 U CN 214819668U CN 202121382443 U CN202121382443 U CN 202121382443U CN 214819668 U CN214819668 U CN 214819668U
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- storage hopper
- phase storage
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Abstract
The utility model belongs to the technical field of recycled concrete processing technique and specifically relates to a recycled concrete automatic blending system is related to, it includes agitator tank and rabbling mechanism, the agitator tank is equipped with two at least solid phase storage hoppers and at least one liquid phase storage hopper, solid phase storage hopper and liquid phase storage hopper all set up with the agitator tank interval and all are linked together with the inner space of agitator tank, the agitator tank is equipped with the mount, be equipped with weighing sensor on the mount, all be equipped with discharge valve mechanism on solid phase storage hopper and the liquid phase storage hopper. The present application has the following effects: the solid phase storage hopper is used for storing solid phase materials such as recycled aggregate and cement, and the liquid phase storage hopper is used for storing liquid phase materials such as clear water, and the pay-off of solid phase storage hopper and liquid phase storage hopper is controlled through discharge valve mechanism, weighs solid phase storage hopper and liquid phase storage hopper's weight through weighing sensor to reach the purpose that stops the pay-off when the material quantity is up to standard, thereby realize recycled concrete's automatic blending, labour saving and time saving, it is more convenient.
Description
Technical Field
The application relates to the technical field of recycled concrete processing, in particular to an automatic batching system for recycled concrete.
Background
The regenerated concrete is new concrete prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded concrete blocks with a grading agent according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and then adding cement, water and the like.
The recycled concrete realizes the reasonable utilization of the construction waste, and the concrete construction steps are as follows: the construction waste is classified and stored according to different materials to be treated, then large blocks are subjected to crushing pretreatment (hammering and cutting), screening pretreatment is carried out, then multistage crushing treatment, magnetic separation and removal of scrap iron materials and non-magnetic impurity screening are carried out, crushed sand is obtained, and then the crushed sand is washed clean to obtain regenerated aggregate.
In the regeneration process, the inventor thinks that the manual proportioning is usually needed to determine the usage amount of each component during the stirring process of the recycled concrete, and then the proportioned components are put into a stirring device for stirring, which is time-consuming, labor-consuming and inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the ratio of each component before the stirring processing of recycled concrete, this application provides a recycled concrete automatic blending system.
The application provides a recycled concrete automatic blending system adopts following technical scheme:
the utility model provides a recycled concrete automatic blending system, includes the agitator tank and establishes the rabbling mechanism in the agitator tank, the one end that the agitator tank is close to ground is equipped with the discharge gate, the one end that the agitator tank kept away from ground is equipped with two at least solid phase storage hoppers and at least one liquid phase storage hopper, solid phase storage hopper and liquid phase storage hopper all set up with the agitator tank interval and all are linked together with the inner space of agitator tank, the agitator tank is equipped with the mount that is used for solid phase storage hopper and liquid phase storage hopper fixed, be equipped with the weighing sensor who is used for weighing solid phase storage hopper and liquid phase storage hopper on the mount, all be equipped with discharge valve mechanism on solid phase storage hopper and the liquid phase storage hopper.
Through adopting above-mentioned technical scheme, solid-phase storage hopper is used for storing solid-phase materials such as regeneration aggregate and cement, and liquid-phase storage hopper is used for storing liquid-phase materials such as clear water, through the pay-off of discharge valve mechanism control solid-phase storage hopper and liquid-phase storage hopper, weigh solid-phase storage hopper and liquid-phase storage hopper's weight through weighing sensor, in order to reach the purpose that stops the pay-off when the material quantity is up to standard, thereby realize the automatic blending of regeneration concrete, labour saving and time saving, it is more convenient.
Optionally, one end of the liquid phase storage hopper close to the stirring tank is provided with a discharging pipe orifice, one end of the stirring tank far away from the discharging port is provided with a feeding port sleeved outside the discharging pipe orifice, and a gap is arranged between the discharging pipe orifice and the feeding port.
Through adopting above-mentioned technical scheme, the mouth of pipe of unloading is used for discharging the liquid phase material in the liquid phase storage hopper, and the mouth of pipe of unloading stretches into in the feed inlet for difficult splashing spills when liquid phase material gets into in the agitator tank.
Optionally, the discharge valve mechanism on the liquid-phase storage hopper comprises an electromagnetic valve which is arranged on the discharge pipe orifice and is used for controlling the on-off of the discharge pipe orifice.
By adopting the technical scheme, the purpose of controlling the feeding of the liquid-phase material can be achieved by controlling the on-off of the discharging pipe orifice through the electromagnetic valve.
Optionally, the one end that the solid phase storage hopper is close to the agitator tank is equipped with the discharge opening, the one end that the discharge gate was kept away from to the agitator tank is equipped with and is located the material receiving mouth under the discharge opening, the projection of discharge opening edge vertical side is located and connects the region that the material receiving mouth corresponds.
Through adopting above-mentioned technical scheme, the discharge opening is used for discharging the solid phase material in the solid phase storage hopper, and the cross-sectional area that connects the material mouth is greater than the cross-sectional area of discharge opening, and the solid phase material is difficult for spilling when getting into the agitator tank.
Optionally, the discharge valve mechanism of solid phase storage hopper establishes in the one end that the solid phase storage hopper is close to the discharge opening, discharge valve mechanism includes flexible driving piece and shrouding, the shrouding slides and rotates the one end that sets up and keep away from the solid phase storage hopper at the discharge opening, the one end of flexible driving piece is rotated and is set up on the lateral wall of solid phase storage hopper, and the other end of flexible driving piece rotates and sets up on the shrouding, the shrouding can seal the discharge opening under flexible driving piece orders about.
Through adopting above-mentioned technical scheme, order about the shrouding through flexible driving piece and rotate at the discharge opening, can reach and make the shrouding seal the feed inlet or make the purpose that the feed inlet was opened to the realization is controlled the pay-off of solid phase material.
Optionally, the stirring mechanism is including rotating the (mixing) shaft that sets up in the agitator tank and establishing at the epaxial stirring leaf of stirring, be equipped with on the outer wall that the agitator tank is close to discharge gate one end and order about (mixing) shaft pivoted driving motor.
Through adopting above-mentioned technical scheme, driving motor orders about the (mixing) shaft and rotates, can make the (mixing) shaft drive the stirring leaf and rotate to realize that the stirring leaf stirs the processing to the material that adds in the agitator tank.
Optionally, a filter grid is arranged in the stirring tank, and the filter grid is arranged at one end, far away from the discharge hole, of the stirring tank.
Through adopting above-mentioned technical scheme, filtering grille is used for buffering the regeneration aggregate and the cement that drop into in the agitator tank to break up the regeneration aggregate and the cement of blocking.
Optionally, one end of the stirring tank close to the discharge port is provided with a support leg, and one end of the support leg far away from the stirring tank is fixedly connected with the ground.
Through adopting above-mentioned technical scheme, the stabilizer blade is used for forming the support to the agitator tank, and stabilizer blade and ground fixed connection can reach and be fixed in subaerial purpose with the agitator tank to the rabbling mechanism of being convenient for stirs the operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the solid-phase storage hopper is used for storing solid-phase materials such as recycled aggregate and cement, the liquid-phase storage hopper is used for storing liquid-phase materials such as clear water, the feeding of the solid-phase storage hopper and the liquid-phase storage hopper is controlled through the discharge valve mechanism, the weights of the solid-phase storage hopper and the liquid-phase storage hopper are weighed through the weighing sensor, and the purpose of stopping feeding when the material usage reaches the standard is achieved, so that the automatic batching of recycled concrete is realized, and the device is time-saving, labor-saving and more convenient;
2. through setting up filtering grid, filtering grid is used for buffering the regeneration aggregate and the cement that drop into in the agitator tank to break up the regeneration aggregate and the cement of blocking.
Drawings
FIG. 1 is a schematic structural view of the whole system for automatically batching recycled concrete according to the embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application of an automated recycled concrete batching system;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of portion B of FIG. 2;
fig. 5 is an enlarged view of a portion C in fig. 2.
Description of reference numerals: 1. a stirring tank; 11. a support leg; 12. a base plate; 13. a discharge port; 131. a baffle plate; 14. a fixed mount; 141. a column; 142. a cross beam; 143. a connecting beam; 15. a feed inlet; 16. a material receiving port; 2. a stirring mechanism; 21. a stirring shaft; 22. stirring blades; 23. a drive motor; 3. a solid phase storage hopper; 31. a discharge opening; 4. a liquid phase storage hopper; 41. a discharge pipe orifice; 5. a weighing sensor; 6. an electromagnetic valve; 7. a telescopic driving member; 71. closing the plate; 8. and (5) filtering the grating.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses recycled concrete automatic blending system. Referring to fig. 1 and 2, the recycled concrete automatic batching system comprises a stirring tank 1, a stirring mechanism 2, a solid phase storage hopper 3 and a liquid phase storage hopper 4.
The stirring tank 1 is used as a place for stirring and processing recycled concrete, the solid-phase storage hopper 3 and the liquid-phase storage hopper 4 are both fixed on the stirring tank 1, and the solid-phase storage hopper 3 and the liquid-phase storage hopper 4 are used for respectively adding solid-phase materials and liquid-phase materials into the stirring tank 1. The stirring mechanism 2 is arranged in the stirring tank 1, and the stirring mechanism 2 is used for stirring the materials in the stirring tank 1 to form the required recycled concrete.
The agitator tank 1 is made of steel plate to meet the structural strength requirements of the agitator tank 1. The stirring tank 1 can be a rectangular tank body, and a support leg 11 is fixed at one end of the stirring tank 1 close to the ground. The support is in the shape of a square rod, and the support legs 11 are arranged at four corners of the end part of the stirring tank 1. The legs 11 serve to form a support for the agitator tank 1 in order to lift the agitator tank 1 off the ground. A backing plate 12 is fixed at one end of the support leg 11 far away from the stirring tank 1, the backing plate 12 is rectangular, and the cross-sectional area of the backing plate 12 is larger than that of the support leg 11. The mat 12 is fixedly connected to the ground by screws such as bolts so that the agitation tank 1 is fixed to the ground.
Be equipped with discharge gate 13 on the lateral wall of agitator tank 1, discharge gate 13 is established in agitator tank 1 one end near ground. The discharge port 13 is in a square tube shape, the discharge port 13 is communicated with the stirring tank 1, and the discharge port 13 is used for discharging the recycled concrete after the stirring processing in the stirring tank 1 is completed. The discharge port 13 is slidably provided with a baffle 131, and the baffle 131 is used for controlling the opening and closing of the discharge port 13. For make recycled concrete can utilize self action of gravity to roll off in the acceleration follow discharge gate 13, discharge gate 13 slope sets up, and the high-end one end of being close to agitator tank 1 of discharge gate 13, the one end of the bottom of discharge gate 13 for keeping away from agitator tank 1.
The solid phase storage hopper 3 and the liquid phase storage hopper 4 are both arranged at one end of the stirring tank 1 far away from the discharge hole 13. At least two solid phase storage hoppers 3 are provided, and at least one liquid phase storage hopper 4 is provided, and in this embodiment, two solid phase storage hoppers 3 and one liquid phase storage hopper 4 are taken as an example for explanation. One solid-phase storage hopper 3 is used for storing recycled aggregate, the other solid-phase storage hopper 3 is used for storing cement, and the liquid-phase storage hopper 4 is used for storing clear water. If other materials need to be added to the recycled concrete, the solid-phase storage hopper 3 and the liquid-phase storage hopper 4 are additionally arranged correspondingly.
Referring to fig. 1 and 3, the solid-phase storage hopper 3 and the liquid-phase storage hopper 4 are both arranged at intervals with the stirring tank 1, and the stirring tank 1 is fixed with a fixing frame 14 for fixing the solid-phase storage hopper 3 and the liquid-phase storage hopper 4. The fixing frame 14 is symmetrically arranged at two ends of the solid-phase storage hopper 3 or the liquid-phase storage hopper 4, and the fixing frame 14 comprises a column 141, a beam 142 and a connecting beam 143. The upright 141 and the beam 142 which are symmetrically arranged enclose to form a portal frame shape, the connecting beam 143 is fixed on the beam 142, and the connecting beam 143 is perpendicular to both the upright 141 and the beam 142. And a weighing sensor 5 is arranged between the connecting beam 143 and the solid-phase storage hopper 3 or the liquid-phase storage hopper 4. The load cell 5 fixes the solid-phase storage hopper 3 or the liquid-phase storage hopper 4 to the fixing frame 14, and at the same time, weighs the solid-phase storage hopper 3 or the liquid-phase storage hopper 4. All be equipped with discharge valve mechanism on solid phase storage hopper 3 and the liquid phase storage hopper 4, discharge valve mechanism is used for controlling the ejection of compact of solid phase storage hopper 3 or liquid phase storage hopper 4.
During specific construction, firstly, the recycled aggregate and the cement are respectively added into the two solid-phase storage hoppers 3, clear water is added into the liquid-phase storage hopper 4, the weighing sensor 5 is used for weighing the recycled aggregate, the cement and the clear water, then the purpose of controlling the usage amount of each component added into the stirring tank 1 by the solid-phase storage hopper 3 and the liquid-phase storage hopper 4 is achieved by controlling the discharge valve mechanisms of the solid-phase storage hopper 3 and the liquid-phase storage hopper 4 according to the calculated ratio of each component, and therefore automatic batching in the stirring and processing process of recycled concrete is achieved.
Solid phase storage hopper 3 and liquid phase storage hopper 4 all can set up to big or small end form, and the one end that solid phase storage hopper 3 and liquid phase storage hopper 4 are close to agitator tank 1 is the tip, and the one end that agitator tank 1 was kept away from to solid phase storage hopper 3 and liquid phase storage hopper 4 is the main aspects.
Referring to fig. 2 and 4, a discharge pipe opening 41 is arranged at one end of the liquid phase storage hopper 4 close to the stirring tank 1, and one end of the liquid phase storage hopper 4 far away from the stirring tank 1 is used for feeding the liquid phase. Discharge tube mouth 41 can set up to the pipe form, and the one end that discharge gate 13 was kept away from to agitator tank 1 is fixed with feed inlet 15, and feed inlet 15 is the pipe of cover establishing outside discharge tube mouth 41, and is equipped with the clearance between discharge tube mouth 41 and the feed inlet 15, and discharge tube mouth 41's diameter is greater than the diameter of feed inlet 15 promptly to avoid feed inlet 15 and discharge tube mouth 41 to contact and cause weighing sensor 5 to be inaccurate to weighing of liquid phase storage hopper 4.
The discharge valve mechanism on the liquid phase storage hopper 4 comprises an electromagnetic valve 6 fixed at one end of a discharge pipe orifice 41 far away from the feed port 15. The solenoid valve 6 is used for controlling the on-off of the discharging pipe orifice 41, during stirring and processing, after the use amount of the clear water is determined, the solenoid valve 6 is opened, so that the clear water in the liquid-phase storage hopper 4 sequentially enters the stirring tank 1 through the discharging pipe orifice 41 and the feeding hole 15, after the weighing sensor 5 confirms that the use amount of the clear water reaches the standard, the solenoid valve 6 is closed, and the purpose of controlling the use amount of the clear water can be achieved.
Referring to fig. 2 and 5, one end of the solid phase storage hopper 3 close to the stirring tank 1 is provided with a discharge opening 31, one end of the solid phase storage hopper 3 far away from the stirring tank 1 is used for feeding a solid phase, the cross section of the discharge opening 31 can be set to be rectangular, and one end of the discharge opening 31 far away from the solid phase storage hopper 3 is set to be arc-shaped. One end that discharge gate 13 was kept away from to agitator tank 1 is equipped with and connects material mouth 16, and the cross section that connects material mouth 16 sets up to the rectangle equally, connects material mouth 16 to establish under discharge opening 31, and discharge opening 31 lies in the region that connects material mouth 16 to correspond along the projection of vertical direction, connects the length of material mouth 16 to all be greater than the length width of discharge opening 31 promptly. The discharge opening 31 is spaced apart from the receiving opening 16.
The discharge valve mechanism of the solid-phase storage hopper 3 is arranged at one end of the solid-phase storage hopper 3 close to the discharge opening 31, and the discharge valve mechanism on the solid-phase storage hopper 3 comprises a telescopic driving piece 7 and a sealing plate 71. The telescopic driving member 7 may be any one of a cylinder, an electric pole, and a hydraulic pole. The closing plate 71 is an arc-shaped plate which is slidably and rotatably arranged at one end of the discharge opening 31 far away from the solid-phase storage hopper 3, and two axial ends of the closing plate 71 are provided with wing plates which are used for being hinged with the solid-phase storage hopper 3. One end of a fixed seat of the telescopic driving member 7 is hinged on the solid-phase storage hopper 3, and one end of an output end of the telescopic driving member 7 is hinged and fixed with the sealing plate 71.
When the telescopic driving member 7 is extended or contracted, the closing plate 71 can be driven to rotate on the discharge opening 31, so that the closing plate 71 closes or opens the discharge opening 31. After the use amount of the recycled aggregate and the cement is determined, the closing plate 71 can be driven to open through the telescopic driving piece 7, so that the recycled aggregate and the cement are thrown into the stirring tank 1. After the use amount of the recycled aggregate and the cement is determined to reach the standard through the gravity change of the weighing sensor 5, the sealing plate 71 is driven by the telescopic driving piece 7 to seal the feeding hole 15.
Referring to fig. 2, a filter grid 8 is fixed in the agitation tank 1. The filter grille 8 is rectangular, and the size of the filter grille 8 is equal to the cross section of the stirring tank 1. The filter grill 8 may be made of steel so that the filter grill 8 is not easily deformed by pressure. The filter grid 8 is used for buffering the recycled aggregate and the cement which are put into the stirring tank 1 and scattering the agglomerated recycled aggregate and the cement.
The stirring mechanism 2 includes a stirring shaft 21 and a stirring blade 22. The stirring shaft 21 is rotatably arranged in the stirring tank 1, and the stirring shaft 21 is arranged along the vertical direction. The stirring blades 22 are fixed on the stirring shaft 21, the stirring blades 22 are perpendicular to the stirring shaft 21, and the stirring blades 22 are arranged at equal intervals along the axial direction of the stirring shaft 21. When the stirring shaft 21 rotates, the stirring blades 22 can be driven to stir and mix the components added into the stirring tank 1, so as to obtain the required recycled concrete. The tank bottom of agitator tank 1 is equipped with and is used for driving about (mixing) shaft 21 pivoted driving motor 23, and driving motor 23's output passes the tank bottom of agitator tank 1 and with (mixing) shaft 21 fixed connection.
The implementation principle of the automatic batching system for recycled concrete in the embodiment of the application is as follows: during specific construction, firstly, recycled aggregate and cement are respectively added into two solid-phase storage hoppers 3, meanwhile, clear water is added into a liquid-phase storage hopper 4, weighing sensors 5 on the solid-phase storage hoppers 3 and the liquid-phase storage hopper 4 respectively weigh the recycled aggregate, the cement and the clear water to obtain the initial weight of each component, then, telescopic driving pieces 7 on the two solid-phase storage hoppers 3 and electromagnetic valves 6 on the liquid-phase storage hopper 4 are controlled according to a known proportion, the sealing plates 71 are driven to rotate through the telescopic driving pieces 7 to achieve the purpose of controlling the opening and closing of the discharge opening 31, so that the solid-phase feeding is stopped after the use amount of the recycled aggregate or the cement reaches the standard; the opening and closing of the discharge pipe mouth 41 are controlled by the electromagnetic valve 6, so that the feeding of the liquid phase is stopped after the use amount of the clear water reaches the standard. After the components are stirred, the filter grid 8 can buffer the components. The driving motor 23 drives the stirring shaft 21 to rotate, so that the stirring shaft 21 drives the stirring blades 22 to stir each component added into the stirring tank 1, and the required recycled concrete is obtained.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a recycled concrete automatic blending system, includes agitator tank (1) and establishes rabbling mechanism (2) in agitator tank (1), agitator tank (1) is close to the one end on ground and is equipped with discharge gate (13), its characterized in that: one end that ground was kept away from in agitator tank (1) is equipped with two at least solid phase storage hoppers (3) and at least one liquid phase storage hopper (4), solid phase storage hopper (3) and liquid phase storage hopper (4) all set up and all are linked together with the inner space of agitator tank (1) with agitator tank (1) interval, agitator tank (1) is equipped with mount (14) that are used for solid phase storage hopper (3) and liquid phase storage hopper (4) to fix, be equipped with on mount (14) and be used for carrying out weighing sensor (5) that weigh to solid phase storage hopper (3) and liquid phase storage hopper (4), all be equipped with discharge valve mechanism on solid phase storage hopper (3) and liquid phase storage hopper (4).
2. The recycled concrete automatic batching system of claim 1, wherein: one end that liquid phase storage hopper (4) are close to agitator tank (1) is equipped with the mouth of pipe of unloading (41), the one end that discharge gate (13) were kept away from in agitator tank (1) is equipped with cover and establishes feed inlet (15) outside the mouth of pipe of unloading (41), be equipped with the clearance between the mouth of pipe of unloading (41) and feed inlet (15).
3. The recycled concrete automatic batching system of claim 2, wherein: the discharge valve mechanism on the liquid phase storage hopper (4) comprises an electromagnetic valve (6) which is arranged on a discharge pipe orifice (41) and is used for controlling the on-off of the discharge pipe orifice (41).
4. The recycled concrete automatic batching system of claim 1, wherein: one end that solid phase storage hopper (3) are close to agitator tank (1) is equipped with discharge opening (31), the one end that discharge gate (13) were kept away from in agitator tank (1) is equipped with and is located material receiving opening (16) under discharge opening (31), discharge opening (31) are located the region that material receiving opening (16) correspond along the ascending projection in vertical direction.
5. The recycled concrete automatic batching system of claim 4, wherein: the utility model discloses a solid phase storage hopper (3) is characterized in that the discharge valve mechanism of solid phase storage hopper (3) establishes the one end that is close to discharge opening (31) in solid phase storage hopper (3), discharge valve mechanism includes flexible driving piece (7) and shrouding (71), shrouding (71) slide and rotate the one end that sets up in discharge opening (31) and keep away from solid phase storage hopper (3), the one end of flexible driving piece (7) is rotated and is set up on the lateral wall of solid phase storage hopper (3), and the other end of flexible driving piece (7) is rotated and is set up on shrouding (71), shrouding (71) can seal discharge opening (31) under the driving of flexible driving piece (7).
6. The recycled concrete automatic batching system of claim 1, wherein: rabbling mechanism (2) are including rotating (mixing) shaft (21) that set up in agitator tank (1) and establishing stirring leaf (22) on (mixing) shaft (21), agitator tank (1) are close to and are equipped with on the outer wall of discharge gate (13) one end and order about (mixing) shaft (21) pivoted driving motor (23).
7. The recycled concrete automatic batching system of claim 1, wherein: be equipped with in agitator tank (1) and filter grid (8), filter grid (8) are established in agitator tank (1) and are kept away from the one end of discharge gate (13).
8. The recycled concrete automatic batching system of claim 1, wherein: one end of the stirring tank (1) close to the discharge hole (13) is provided with a support leg (11), and one end of the support leg (11) far away from the stirring tank (1) is fixedly connected with the ground.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121382443.3U CN214819668U (en) | 2021-06-21 | 2021-06-21 | Automatic batching system for recycled concrete |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121382443.3U CN214819668U (en) | 2021-06-21 | 2021-06-21 | Automatic batching system for recycled concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808647A (en) * | 2022-05-23 | 2022-07-29 | 中铁六局集团有限公司 | Slip casting platform truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808647A (en) * | 2022-05-23 | 2022-07-29 | 中铁六局集团有限公司 | Slip casting platform truck |
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