CN116533374A

CN116533374A - Production line and method for preparing temporary road bearing plate by intelligent recycled concrete

Info

Publication number: CN116533374A
Application number: CN202310492513.8A
Authority: CN
Inventors: 王帅; 王爱勋; 傅旭东; 游�明; 李文祥; 陆通; 徐杨军; 汪磊; 王理; 吴克洋; 石鹏; 王南盟; 徐立
Original assignee: Wuhan University WHU; Wuhan Construction Engineering Co Ltd
Current assignee: Wuhan University WHU; Wuhan Construction Engineering Co Ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-08-04

Abstract

The invention discloses a production line and a method for preparing a temporary road bearing plate by intelligent recycled concrete, wherein the production line comprises the following steps: the base part is provided with a first transverse rectangular area, a second transverse rectangular area and a third transverse rectangular area which are sequentially arranged; the coarse aggregate treatment part is positioned in the first transverse rectangular area and comprises a jaw crusher, a coarse aggregate conveyer belt, a four-layer screening box, a stirrer and a residue storage box which are sequentially arranged from right to left; the reinforcing part is positioned in the first transverse rectangular area and is arranged between the four layers of screening boxes and the stirrer; the transferring part is positioned in the first transverse rectangular area and is arranged towards the four-layer screening box and the strengthening part; the pouring part is positioned in the second transverse rectangular area and is used for conveying the stirred aggregate to a variable die of the die unit; a curing part and a demolding part. According to the invention, the crushing, screening, strengthening, stirring, pouring, curing and demolding of the coarse aggregate are integrated on one production line, so that the efficiency and the quality of finished products are improved.

Description

Production line and method for preparing temporary road bearing plate by intelligent recycled concrete

Technical Field

The invention relates to the field of constructional engineering, in particular to a production line for preparing a temporary road bearing plate by using intelligent recycled concrete, and also relates to a production method for preparing the temporary road bearing plate by using the intelligent recycled concrete.

Background

When the construction machinery runs on a muddy road section in the field, or part of heavy caterpillar machinery, the construction machinery can damage the existing temporary hardened ground during running, the temporary pavement is conveniently constructed by using the bearing plate, the bearing plate is usually prefabricated, the automation degree is low in the preparation process of the existing bearing plate and balancing weights, the better concrete vibration compaction cannot be achieved, and the preparation quality can be further improved. Therefore, a production line and a method for preparing the temporary road bearing plate by using more intelligent recycled concrete are needed.

Disclosure of Invention

Based on the defects existing in the prior art, the technical problem to be solved by the invention is to provide a production line for preparing a temporary road bearing plate by intelligent recycled concrete, which can combine the functions of crushing, screening, strengthening and stirring of coarse aggregate on one production line, and integrate pouring, maintenance and demolding of the bearing plate and a balancing weight mold on one production line, so that the rapid preparation from coarse aggregate materials to the road bearing plate is realized, the preparation time is greatly saved, and the efficiency and the quality of finished products are improved.

The invention further aims to provide a production method for preparing the temporary road bearing plate by intelligent recycled concrete, which can be directly applied to the preparation of the existing road bearing plate or balancing weight, wherein crushed coarse aggregate is firstly subjected to multi-layer screening by matching with a special screen through four layers of screening boxes, then the four layers of screening boxes are respectively connected with a multifunctional strengthening machine to strengthen the coarse aggregate, then the four layers of screening boxes are added into a stirrer to stir, then pouring is carried out through a portal frame and a variable die, then the temporary road bearing plate can be moved into a curing box through rails to be cured, after the curing is finished, the two groups of electric hoists are matched with lifting seats of the variable die to carry out overturning and demoulding, so that the preparation efficiency is effectively improved, and the performance of the prepared bearing plate or balancing weight is improved.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the production line for preparing the temporary road bearing plate by the intelligent recycled concrete comprises the following steps: the base part is used as an integral base and comprises a ground surface positioned at the bottom, the ground surface is provided with a first transverse rectangular area, a second transverse rectangular area and a third transverse rectangular area which are sequentially arranged, the rightmost end of the first transverse rectangular area is provided with a coarse aggregate storage box, the left end of the second transverse rectangular area is provided with a plurality of multifunctional mechanism boxes, and the right end of the second transverse rectangular area is provided with a reinforcing steel bar net storage box and a channel steel storage box; the ground is also provided with a base track which connects the second transverse rectangular area with the third transverse rectangular area from the middle; the coarse aggregate treatment part is positioned in the first transverse rectangular area and comprises a jaw crusher, a coarse aggregate conveyer belt, a four-layer screening box, a stirrer and a residue storage box which are sequentially arranged from right to left; the reinforcing part is positioned in the first transverse rectangular area and arranged between the four layers of screening boxes and the stirrer, and comprises a soaking powder-wrapping air-drying flushing unit and a fine sand slurry feeding unit, and is used for performing multifunctional reinforcement on the aggregate entering the reinforcing part; the transfer part is positioned in the first transverse rectangular area and is arranged towards the four-layer screening box and the strengthening part, the transfer part comprises a transfer track which is arranged on the ground, a plurality of screening units are arranged on the transfer track, the screening units comprise screening bases which are arranged on the transfer track through electric trolleys, four-rail mounting plates are arranged on the screening bases, four rails are arranged on the four-rail mounting plates, a screening mechanism is arranged on each of the four rails, and the pore diameters of meshed screens in the screening mechanism from top to bottom are sequentially reduced from top to bottom; the screen mesh with holes is inserted into the four layers of screening boxes to screen the aggregates, and is inserted into the strengthening part to strengthen the screened aggregates; the pouring part is positioned in the second transverse rectangular area and comprises a first portal frame and a die unit arranged on the base track, and is used for conveying aggregate stirred by the stirrer to a variable die of the die unit and clamping the reinforcing steel bar meshes and the channel steel in the reinforcing steel bar mesh storage box and the channel steel storage box into the variable die; the curing part is positioned in the third transverse rectangular area and comprises two curing boxes for performing a curing process on the die units moved into the curing boxes; and the demolding part is positioned in the third transverse rectangular area and is used for demolding the mold unit which moves under the demolding part.

Preferably, the four layers of screening boxes are formed by screening boxes, the screening boxes are installed on the ground through four screening box supporting legs at the bottom, four inward first electric push rods are respectively arranged at the left end and the right end of each screening box from top to bottom, and the push rod end of each first electric push rod is connected with a first electric clamping jaw; four transverse screening tracks are arranged on the inner side of the back of the screening box body from top to bottom, the spacing height of the screening tracks is identical to that of the first electric push rod, and the height of the screening tracks is identical to that of the first electric push rod; the front of the screening box body is provided with a first screen inlet with four rectangular openings from top to bottom, and the height and the interval of the first screen inlet are the same as those of the first electric push rod.

Further, the four tracks comprise an L-shaped first-layer track positioned at the bottom and right, an L-shaped second-layer track positioned on the four-layer track and left, and further comprise three vertical-layer tracks positioned above the second-layer track and four transverse-layer tracks positioned on the second-layer track; the screening mechanism is arranged on a four-rail track through a screening electric trolley, a first rotating motor is connected to the screening electric trolley, a screen mounting plate is connected to the rotating end of the first rotating motor, a first steering engine is arranged at the rear ends of the upper surface and the lower surface of the screen mounting plate, the output end of the first steering engine is connected with a first connecting rod, the tail end of the first connecting rod is connected with a second steering engine through a rotating shaft, the output end of the second steering engine is connected with another second connecting rod, a third steering engine is arranged at the tail end of the second connecting rod and is connected with a dustproof cover plate through a rotating shaft, a rectangular slot is arranged in the dustproof cover plate, a dustproof cover plate slot is arranged between the rectangular slot and the outer surface of the cover plate, and the size of the dustproof cover plate slot is matched with that of a screen of a special-shaped screen; the middle parts of the upper surface and the lower surface of the screen mounting plate are respectively provided with a second electric push rod, the tail end of the second electric push rod is connected with a special-shaped screen, the middle part of the special-shaped screen is provided with a screen with holes, a protruding screen plugboard is arranged between the screen with holes and the outer surfaces of the special-shaped screen, the size of the screen plugboard can be just inserted into a dust-proof plate slot and a channel box slot, the outer surface of one side of the special-shaped screen far from the screen mounting plate is provided with a plurality of bullseye balls, and the bullseye balls can just enter and be attached to the inner surface of the screening track; the two sides of the special-shaped screen are provided with screen clamping seats, and the screen clamping seats can be used for clamping and fixing the first electric clamping jaw.

Furthermore, the soaking, powder-wrapping and air-drying flushing unit takes a cylindrical box body as a main body, four second screening inlets are formed in the outer surface of the cylindrical box body from top to bottom, and the height intervals of the cylindrical box body correspond to the four screening mechanisms on the screening unit; the upper surface of the cylindrical box body is provided with an annular opening, the inner side of the annular opening is provided with a circular mounting seat serving as the top surface of the whole device, the circular mounting seat is fixedly connected with the cylindrical box body through a connecting support column, the periphery of the circular mounting seat, which is close to the annular opening, is provided with an upper circular ring rail, four electric trolleys are arranged on the upper circular ring rail, each electric trolley is connected with a third electric push rod mounting seat, the third electric push rod mounting seat is connected with a third electric push rod, the third electric push rod penetrates through the annular opening to enter the interior of the cylindrical box body, and the tail end of each third electric push rod is connected with a multifunctional channel box with different heights and downward directions; a lower circular ring rail is arranged at the position corresponding to the upper circular ring rail at the inner bottom end of the cylindrical box body, four electric trolleys are also arranged on the lower circular ring rail, each electric trolley is connected with an electric push rod, and the electric push rods are connected with multifunctional channel boxes with different heights and upward directions; the structure of the fine sand slurry feeding unit is the same as that of the soaking powder-wrapping air-drying flushing unit.

Preferably, a vibration motor is arranged on the outer side of the multifunctional channel box, a channel box slot is arranged at the top of the multifunctional channel box, and the size of the channel box slot is matched with that of the screen inserting plate, namely the screen inserting plate can be inserted into the channel box slot; each multifunctional channel box is connected with a mechanism in the multifunctional mechanism box.

Further, a transverse sliding groove is formed in the first portal frame, a plurality of sliding seats capable of sliding are arranged on the sliding groove, a longitudinal rail is arranged at the bottom of each sliding seat, a longitudinal rectangular opening is formed in each rail, an electric trolley is arranged on each rail, the electric trolley is connected with a fourth electric push rod, each fourth electric push rod penetrates through each rectangular opening, the lower end of each fourth electric push rod is connected with a second rotating motor, and the bottom of each second rotating motor is connected with a second electric clamping jaw; the die unit comprises a main body formed by a die bearing seat, the main body is installed on a base track through an electric trolley, the middle of the die bearing seat is slotted, the size of the die is larger than that of a variable die on the die bearing seat, four die lifting seats are arranged on the front side and the rear side of the variable die, two fifth electric push rods are arranged on the left side and the right side of the variable die, two groups of lifting grooves are formed in the die lifting seats, the lifting grooves are respectively a first lifting groove and a second lifting groove, and the fifth electric push rods penetrate through an outer baffle plate of the variable die to be connected with an inner push plate.

Preferably, the inside ground of curing case is equipped with the lift track that can splice with the base track, and this lift track installs on hydraulic putter, and the inside both sides of box are equipped with the inward sixth electric putter of multiunit of corresponding different height, and this sixth electric putter's end-to-end connection has L type support.

Further, the demoulding part comprises a main body formed by a second portal frame, the second portal frame is arranged above the demoulding part of the base track, a first sliding rail and a second sliding rail are respectively arranged on the left side and the right side of the upper end of the second portal frame, a first electric hoist capable of sliding left and right is arranged at the lower end of the first sliding rail, and a second electric hoist capable of sliding left and right is arranged at the lower end of the second sliding rail.

Correspondingly, the invention also provides a production method for preparing the temporary road bearing plate by intelligent recycled concrete, which comprises the following steps:

s1, preprocessing coarse aggregate: firstly, taking out concrete coarse aggregates from a coarse aggregate storage box as required, adding the coarse aggregates into a jaw crusher, outputting the coarse aggregates into a coarse aggregate conveying belt after the jaw crusher completes crushing, conveying the coarse aggregates to a high position by the coarse aggregate conveying belt and enabling the coarse aggregates to fall into a four-layer screening box, moving the coarse aggregates to the four-layer screening box through a transfer rail before entering the four-layer screening box, respectively inserting special-shaped screens into four first screen inlets by controlling second electric push rods of four screening mechanisms, enabling bullseye balls of the special-shaped screens to prop against the screening rails, controlling the first electric push rods to clamp screen clamping seats by matching with first electric clamping jaws, sequentially reducing the pore diameters of the four screens from top to bottom, at the moment, starting screening, controlling the first electric push rods at the left side and the right side to stretch relatively, enabling the screen with holes to slide left and right on the screening rails, and at the moment, controlling the screening units to match with the screening mechanisms on the three-layer rails to move left and right; after screening, each screening mechanism is retracted, and the screening unit is moved to the strengthening part to carry out the strengthening procedure;

S2, aggregate clamping and transferring: at the moment, the special-shaped screen is screened and moved back into the four tracks, and at the moment, the first steering engine, the second steering engine and the third steering engine on the screening mechanism are controlled to be matched with the connecting rods on the first steering engine, the second steering engine and the third steering engine, so that the dustproof cover plate extends outwards and moves to be right above the special-shaped screen, the cover plate is lowered to enable the dustproof cover plate slot to be just inserted into the screen insertion plate, the upper dustproof cover plate and the lower dustproof cover plate are synchronously inserted, the special-shaped screen is completely sealed, dust cannot be exposed, and further transportation is carried out;

s3, reinforcing coarse aggregate: the screening unit moves to the position of the soaking, powder-wrapping and air-drying flushing unit, the multifunctional channel box on the lower circular ring rail with the corresponding function is controlled to move to the inlet of the second screen, the multifunctional channel box on the upper circular ring rail which is highly complementary to the multifunctional channel box with the corresponding height is simultaneously moved to the corresponding position, the special-shaped screen is pushed into the special-shaped screen through the second electric push rod by the screening mechanism, whether the special-shaped screen covers a dustproof cover plate, an upper cover plate or a lower cover plate and the like can be selected according to the requirement, the cover plate is covered or not, the two boxes are pushed down to the middle special-shaped screen through the electric push rods at the bottom ends of the upper and lower multifunctional channel boxes, the channel box slots of the special-shaped screen are inserted into the upper and lower screen plates of the special-shaped screen, a complete passage is formed, cement slurry soaking, cement powder covering and hot air drying procedures are sequentially carried out on the special-shaped screen by the cement pump, the cement powder blanking machine, the blower and the sprinkler, and the water sprinkling procedures can be used for finishing the back cleaning after blanking; after the completion, the sieving unit is moved to the fine sand slurry feeding unit to add raw materials such as cement, sand, fine aggregate and the like in the same way, wherein an empty sieving unit can be used for feeding, and the raw materials are added into a stirrer step by step;

S4, mixing and stirring: when the material is transported to the stirrer and the residue storage box, controlling each screening mechanism on the four tracks to move to the uppermost end of each track, wherein each screening mechanism can be positioned above a discharging channel of the stirrer, and then the material is turned over by a first rotating motor, so that the material is discharged;

s5, pouring a die: before pouring, moving a die unit originally stored in the curing box to a pouring position, sliding the die unit to the upper parts of the steel bar mesh storage box and the channel steel storage box through a sliding seat, lowering a second electric clamping jaw through a fourth electric push rod to clamp the steel bar mesh and the channel steel, rotating the second electric clamping jaw through a second rotating motor to clamp in a matched manner in the clamping process, then moving the die unit to the upper part through the sliding seat, releasing the second electric clamping jaw to put down the steel bar mesh and the channel steel, pushing a push plate through a fifth electric push rod in advance before pouring, and further adjusting the size of the internal pouring space of the variable die, and further adjusting the size of the prepared bearing plate and the prepared balancing weight; when pouring is carried out, the sliding seat is moved to one side of the leftmost end close to the mixer, the output port of the mixer is connected with the pump, the pump is connected with the blanking pipe, the blanking pipe is reserved for a sufficient length, the blanking pipe is clamped by the second electric clamping jaw and then is matched with the sliding seat to be moved to the upper part of the variable die for blanking, the vibrating rod can be clamped by the second electric clamping jaw during blanking or after blanking is finished, the vibrating rod is inserted into the variable die to vibrate concrete, and the die unit can be moved into the curing box to carry out curing process after vibrating;

S6, curing the die: the box door of the curing box is opened, the lifting rail is lowered by the hydraulic push rod to be spliced with the base rail, the die unit enters the lifting rail, the lifting rail is lifted by the hydraulic push rod, the L-shaped support is pushed out by the sixth electric push rods at the two ends of the inner part of the box body to clamp the L-shaped support and provide support for the lifting seat of the die, so that the variable die is stored, the lifting rail is lowered, and the die unit is moved out to close the box door to be cured;

s7, overturning and demolding: the die unit moves to the demolding position, the pull rope below the first electric hoist is connected with the first lifting groove, the pull rope below the second electric hoist is connected with the second lifting groove, the pull rope of the first electric hoist is pulled up and is enabled to move to the right side of the second electric hoist on the sliding rail, the pull rope of the second electric hoist is lifted up, the variable die can be turned over, the demolding is further carried out, the die is replaced in the opposite mode after the demolding is completed, and the whole preparation process is finished.

From the above, the production line and the method for preparing the temporary road bearing plate by the intelligent recycled concrete have the following beneficial effects:

1. compared with the prior art, the four-layer screening box provided by the invention has the advantages that the first electric push rod, the first electric clamping jaw, the screening track and the first screen inlet are arranged on the four-layer screening box, the four-layer special-shaped screening mechanism for screening can be flexibly clamped and matched with the first electric clamping jaw, the screening is efficient, the number and the layer number of the inserted screening mechanisms can be adjusted as required, the speed of transversely shifting different layers of screening can be further realized, various screening requirements are further realized, the bottom and the top of each screening mechanism are respectively provided with the openable cover plate, for example, the bottom cover plate can be closed by one-layer screening mechanism, the top cover plate can be closed by the four-layer screening mechanism, the screening stability is further improved, the overflow of dust during screening is reduced, meanwhile, the closed-loop screening of coarse aggregate is realized, large material which cannot be screened is positioned in the bottom cover plate of the one-layer screening mechanism, and the screened dust and small material can be moved to the residual material storage box along with the transportation of the screening unit, the recycling of the material is realized, and the material utilization rate is improved.

2. Compared with the prior art, the four-track and special-shaped screen mechanism provided by the invention is matched with the first screen inlet on the four-layer screening box and the second screen inlet mechanism on the soaking, powder-wrapping and air-drying flushing unit, so that the special-shaped screen can move, fix and strengthen the coarse aggregate among processing equipment, and meanwhile, the double dustproof cover plates on the special-shaped screen can be combined and separated with the screen at any time, so that closed transportation is realized, and meanwhile, materials which cannot be carried by various original screens are carried for transportation; the special-shaped design of the four tracks enables the uppermost non-screened aggregate to be directly poured into the residual material storage box to prepare for the next utilization, the three tracks below can be connected into a vertical straight line to carry out synchronous screening, and the three tracks below can be lifted to the upper side to form a three-track line to carry out synchronous blanking, meanwhile, because the reinforcing part is provided with four slots from top to bottom, when the screening mechanism on the four tracks moves, the four tracks can be moved to the corresponding positions for carrying out reinforcing without being limited to inlets at the corresponding positions for carrying out synchronous reinforcing, and the preparation efficiency is greatly improved.

3. Compared with the prior art, the upper and lower double-rail multifunctional reinforcing part designed by the invention has the advantages that the upper and lower groups of four multifunctional channel boxes with different heights can be rotationally taken and are highly complementary, and then are stably clamped with the screening units moved into the upper and lower groups of multifunctional channel boxes to form a complete channel, and then the multifunctional reinforcing is carried out on the complete channel boxes through the upper and lower groups of multifunctional channel boxes, such as a cement slurry pump, a cement powder blanking machine, a blower, a sprinkler, a fine aggregate blanking machine, a fine sand blanking machine, a slurry pump and a pressurized water pump, and the functions and mechanisms are mutually matched and flexibly switched, so that the adaptability and the flexibility of the device are greatly improved; because the broken aggregate has a plurality of communicated and non-communicated holes, water is absorbed in the process of preparing the concrete, so that the defect of the concrete is caused, and the holes on the aggregate can be plugged by wrapping cement paste; meanwhile, in the strengthening mode of the method, coarse aggregate is soaked through cement paste, then cement powder covers the surface, the cement paste is mixed with raw materials such as fine aggregate after hot air drying, the cement paste can seal communication pores on the surface and inside of the recycled aggregate, the single particle strength of the aggregate is improved, the covered cement powder can reduce the water absorption of the aggregate, the single particle aggregate performance is improved, and the performance of the prepared bearing plate and balancing weight are improved after the performance of the raw materials is improved.

4. Compared with the prior art, the steel bar mesh and the channel steel are stored in the steel bar mesh storage box and the channel steel storage box in advance, the second electric clamping jaw is matched with the second rotating motor and the fourth electric push rod to automatically complete pre-paving before pouring, the fifth electric push rod on the variable die can adjust the size of the die by pushing out the push plate so as to meet the bearing plates and the balancing weights with different size requirements, the adaptability is greatly improved, and the combination of the second electric clamping jaw can be also applied to pouring and vibrating links, so that the mechanism is multifunctional.

5. Compared with the prior art, the base track integrates pouring, curing and demolding processes through the pouring, curing and demolding positions, and the automatic storage mechanism in the curing box and the automatic turnover mechanism on the second portal frame are matched with the special structure of the variable mold on the mold unit, so that the rapid curing, turnover and demolding of the mold can be realized, and the preparation efficiency is greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the base portion of the present invention;

FIG. 3 is a schematic structural view of a coarse aggregate treatment section according to the present invention;

FIG. 4 is a schematic view of the overall structure of the screening unit of the present invention;

FIG. 5 is a schematic view of the overall structure of the transfer section of the present invention;

FIG. 6 is a schematic view of the overall structure of the screening unit of the present invention;

FIG. 7 is a schematic view of the overall structure of the four rails of the present invention;

FIG. 8 is a schematic view of the overall structure of the screening mechanism of the present invention;

FIG. 9 is a schematic view of the overall structure of the reinforcement portion of the present invention;

fig. 10 is a schematic diagram of the overall structure of the soaking powder air-drying and flushing unit according to the present invention;

FIG. 11 is an interior top view of the infusion powder air-dry rinse unit of the present invention;

FIG. 12 is a schematic view of the overall structure of a casting part of the present invention;

FIG. 13 is a schematic view showing the overall structure of the die unit of the present invention;

FIG. 14 is a schematic view showing the overall structure of the curing portion and the releasing portion of the present invention.

Reference numerals illustrate:

1000-base part:

1001-ground; 1002-coarse aggregate storage bin; 1003-a steel bar mesh storage box; 1003 a-mesh reinforcement; 1004-channel steel storage boxes; 1004 a-channel steel; 1005-base track; 1005 a-a casting; 1005 b-curing place; 1005 c-demolding site; 1006—a multi-function mechanism box;

2000-coarse aggregate treatment section:

2100-jaw crusher; 2200-coarse aggregate conveyor belt; 2400-blender; 2500-remainder storage box;

2300-four layers of screening boxes; 2301-screening box; 2301 a-screen box legs; 2301 b-a first screen inlet; 2301 c-sieving track; 2302-a first electric putter; 2303—a first motorized jaw;

3000-transport moiety:

3001-transfer track;

3100-screening unit; 3101-screening base; 3102-four rail mounting plate; 3103-four tracks; 3103 a-a layer of tracks; 3103 b-two layer track; 3103 c-three layer track; 3103 d-four layer track; 3110-a screening mechanism; 3111-sieving an electric trolley; 3112-a first rotating electric machine; 3113-screen mounting plate; 3114-first steering engine; 3115-a second steering engine; 3116-third steering engine; 3117-dust cover; 3117 a-dust cover slots; 3118-a second electric putter; 3119-profiled screen; 3119 a-screen holders; 3119 b-screen insert plate; 3119 c-perforated screen; 3119 d-bull's eye balls;

4000-strengthening section:

4100-soaking, wrapping, air drying and flushing unit; 4101—a cylindrical box; 4101 a-a second screen inlet; 4101 b-an annular opening; 4101c—a circular mount; 4102-connecting struts; 4103-upper circular ring orbit; 4104—a third electric putter mount; 4105—a third electric putter; 4106—lower circular orbit; 4107—a multi-functional channel box; 4107 a-a channel box slot; 4107 b-vibration motor;

4200—fine sand slurry feed unit;

5000-pouring part:

5001-a first portal frame; 5001 a-a chute; 5002-a sliding seat; 5003-fourth electric push rod; 5004-a second rotary electric machine; 5005-a second motorized jaw;

5100—a die unit; 5101-a mold bearing seat; 5102—a variable die; 5103-a mould lifting seat; 5103 a-a first lifting groove; 5103 b-a second lifting groove; 5104-a fifth electric putter; 5105-pushing plate;

6000-curing part:

6001-curing box; 6002-door; 6003-hydraulic pushrods; 6004-lifting rail; 6005-sixth electric putter; 6006-L-shaped support;

7000-release section:

7001-a second portal frame; 7001 a-a first slide rail; 7001 b-a second slide rail; 7002 a-a first electric hoist; 7002 b-a second electric hoist.

Detailed Description

In order to facilitate the understanding and practice of the invention, those of ordinary skill in the art will now make further details with reference to the drawings and examples of implementation, it being understood that the examples of implementation described herein are intended to illustrate and explain the invention and are not intended to limit the invention.

The following describes in detail a production line and a method for preparing a temporary road bearing plate by intelligent recycled concrete with reference to fig. 1 to 14.

As shown in fig. 1, the production line of the intelligent recycled concrete preparation temporary road bearing plate of the present invention includes a base part 1000 as an integral base, and a coarse aggregate treatment part 2000, a transfer part 3000, a reinforcement part 4000, a casting part 5000, a curing part 6000, and a demoulding part 7000 sequentially installed thereon according to the preparation order; the coarse aggregate treatment part 2000, the transferring part 3000 and the reinforcing part 4000 are located in a first transverse rectangular area, the pouring part 5000 is located in a second transverse rectangular area, the curing part 6000 and the demolding part 7000 are located in a third transverse rectangular area, the coarse aggregate treatment part 2000 in the first transverse rectangular area is clamped and connected by a second electric clamping jaw 5005 of the pouring part 5000 in the second transverse rectangular area through a blanking pipe of the stirrer 2400, and the pouring part 5000 in the second transverse rectangular area is connected with the curing part 6000 and the demolding part 7000 in the third transverse rectangular area through a base track 1005 at the bottom of the mold unit 5100.

As shown in fig. 2, the base portion 1000 includes a ground 1001 at the bottom, and a coarse aggregate storage tank 1002 installed at the rightmost end of the first lateral rectangular area, the coarse aggregate storage tank 1002 being provided with a sufficient recycled concrete coarse aggregate in advance; the left end of the second transverse rectangular area of the ground is also provided with a plurality of multifunctional mechanism boxes 1006, the right end of the second transverse rectangular area is provided with a steel bar net storage box 1003 and a channel steel storage box 1004, a plurality of steel bar nets 1003a are arranged in the steel bar net storage box 1003 in advance, and a plurality of channel steels 1004a are arranged in the channel steel storage box 1004 in advance; the ground 1001 is further provided with a base track 1005 connecting the second transverse rectangular area and the third transverse rectangular area from the middle; the base rail 1005 is provided with a pouring part 1005a in the second horizontal rectangular area, the upper die unit 5100 can perform pouring operation when moving to the position, the left side of the base rail 1005 in the third horizontal rectangular area is provided with a curing part 1005b, the upper die unit 5100 can enter the curing box 6001 to perform curing after moving to the position, the right side of the base rail 1005 in the third horizontal rectangular area is provided with a demolding part 1005c, and the upper die unit 5100 can perform demolding with the aid of the demolding part 7000 after moving to the position.

As shown in fig. 3 and 4, the coarse aggregate treatment section 2000 is composed of a jaw crusher 2100, a coarse aggregate conveyor belt 2200, a four-layer screening box 2300, a stirrer 2400, and a residue storage box 2500 in this order from right to left; the four-layer screening box 2300 is composed of a screening box body 2301, the screening box body 2301 is installed on the ground 1001 through four screening box supporting legs 2301a at the bottom, four inward first electric push rods 2302 are respectively arranged at the left end and the right end of the box body from top to bottom, and the push rod end of each first electric push rod 2302 is connected with a first electric clamping jaw 2303; four transverse screening rails 2301c are arranged on the inner side of the back surface of the screening box body 2301 from top to bottom, the spacing height of the screening rails 2301c is identical to that of the first electric push rod 2302, and the height is identical to that of the first electric push rod; the front surface of the screening box 2301 is provided with four rectangular openings of a first screen inlet 2301b from top to bottom, the height of which is the same as that of the first electric putter 2302, and the intervals of which are the same as those of the first electric putter 2302. The purpose of this structure is to take out concrete coarse aggregate from the coarse aggregate storage bin 1002 as needed when coarse aggregate treatment is required, add the coarse aggregate into the jaw crusher 2100, output the coarse aggregate into the coarse aggregate conveyer belt 2200 after the jaw crusher 2100 completes crushing, the coarse aggregate conveyer belt 2200 conveys it to the high place and falls into the four-layer screening bin 2300, move the coarse aggregate into the screening bin by the screening unit 3100 to the screening bin through the transfer rail 3001 before entering the screening bin, insert the special-shaped screen 3119 into the four first screen inlets 2301b respectively through controlling the second electric push rods 3118 of the four screening mechanisms 3110, make the bullseye balls 3119d of the special-shaped screen 3119 prop against the screening rail 2301c, then control the first electric push rods 2302 to clamp the screen clamping seat 3119a in cooperation with the first electric clamping jaws 2303, sequentially reduce the aperture of the four perforated screens 3119c from top to bottom, at this time, control the first electric push rods 2302 on the left and right sides to expand relatively, the screen mesh can slide left and right on the screening track 2301c to screen, at this time, the screening unit 3100 can be controlled to move left and right in cooperation with the screening mechanism 3110 on the three-layer track 3103c, because the three-layer track 3103c is a vertical track, the screening mechanism 3110 on the three-layer track cannot move laterally, so that the three-layer track 3103c is actually fixedly connected with the whole screening unit 3100 in the lateral direction, and needs to move together, while the other one-layer track 3103a, two-layer track 3103b and four-layer track 3103d can move transversely, so that the three-layer track 3103c can be fixed on the screening unit 3100 together as the screening mechanism 3110 on the three-layer track 3103c to screen along with the transverse movement thereof, and can move relatively according to the respective tracks, thereby improving the screening flexibility and efficiency, retracting the screening mechanisms 3110 after screening, moving the screening unit 3100 to the reinforcing part 4000 to the reinforcing part, and moving to the position of the stirrer 2400 and the residue storage box 2500 after finishing, the special-shaped screen 3119 is pushed out by the second electric push rod 3118, and the whole special-shaped screen 3119 is rotated by the first rotary motor 3112 to discharge, the required material is fed to the mixer 2400, and the surplus material is poured into the surplus material storage tank 2500.

Compared with the prior art, the four-layer screening box 2300 provided by the invention has the advantages that the first electric push rod 2302, the first electric clamping jaw 2303, the screening track 2301c and the first screen inlet 2301b arranged on the four-layer screening box 2300 can flexibly grasp and clamp four layers of special-shaped screening mechanisms 3110 for screening, and is matched with the four layers of special-shaped screening mechanisms to perform push rod action screening, the number and the number of layers of the inserted screening mechanisms 3110 can be adjusted as required while the screening is efficient, the speed of transversely shifting different layers of screening can be further realized, various screening requirements are further realized, the bottom and the top of each screening mechanism 3110 are provided with the openable cover plate, for example, the bottom cover plate can be closed by one layer of screening mechanism, the top cover plate can be closed by four layers of screening mechanisms, the screening stability is further improved, meanwhile, the closed-loop screening of coarse aggregate is realized, the material level which cannot be screened is larger than that in the four layers of screening mechanisms, and the screened dust and small materials are positioned in the bottom cover plate of one layer of the screening mechanism 3100 can be moved to the residual material storage box 2500 along with the transferring of the screening unit, the material can be recycled, and the material utilization rate is improved.

As shown in fig. 5-8, the transfer section 3000 comprises a transfer rail 3001 mounted on the ground 1001, the transfer rail 3001 being provided with a number of screening units 3100; a screening base 3101 at the bottom of the screening unit 3100 is mounted on the transfer rail 3001 through an electric trolley, a four-rail mounting plate 3102 is arranged on the screening base 3101, and a four-rail 3103 is arranged on the four-rail mounting plate 3102; the four-track 3103 includes an L-shaped first-layer track 3103a located at the bottom to the right, an L-shaped second-layer track 3103b located at the top to the left, a three-layer track 3103c located vertically above the second-layer track 3103b, and a four-layer track 3103d located laterally thereabove; one screening mechanism 3110 is provided on each of the four rails 3103, wherein the aperture of the perforated screen 3119c inside the screening mechanism 3110 decreases sequentially from top to bottom; the screening mechanism 3110 is mounted on the four-rail track 3103 through a screening electric trolley 3111, a first rotating motor 3112 is connected to the screening electric trolley 3111, a screen mounting plate 3113 is connected to the rotating end of the first rotating motor 3112, a first steering engine 3114 is arranged at the rear end of the upper face and the lower face of the screen mounting plate 3113, a first connecting rod is connected to the output end of the first steering engine 3114, a second steering engine 3115 is connected to the tail end of the first connecting rod through a rotating shaft, the output end of the second steering engine 3115 is connected to another second connecting rod, a third steering engine 3116 is arranged at the tail end of the second connecting rod, the third steering engine 3116 is connected with a dustproof cover plate 3117 through a rotating shaft, a rectangular slot is arranged inside the dustproof cover plate 3117, a dustproof cover plate slot 3117a is arranged between the rectangular slot and the outer surface of the dustproof cover plate slot 3117a, and the size of the dustproof cover plate slot 3117a is matched with that of a screen insert plate 3119b of the special-shaped screen 3119. The middle part of the upper surface and the lower surface of the screen mounting plate 3113 is respectively provided with a second electric push rod 3118, the tail end of the second electric push rod 3118 is connected with a special-shaped screen 3119, the middle part of the special-shaped screen 3119 is provided with a meshed screen 3119c, a protruding screen plugboard 3119b is arranged between the meshed screen 3119c and the outer surface of the special-shaped screen 3119, the size of the protruding screen plugboard 3119b can be just inserted into the dust-proof plate slot 3117a and the channel box slot 4107a, the outer surface of the special-shaped screen 3119 at the side far from the screen mounting plate 3113 is provided with a plurality of bull-eye balls 3119d, and the bull-eye balls 3119d can just enter and fit on the inner surface of the screening track 2301 c; both sides of the special-shaped screen 3119 are provided with screen clamping seats 3119a, and the screen clamping seats 3119a can be clamped and fixed by the first electric clamping jaw 2303; the purpose of this structure is to perform clamping and transferring, at this time, the special-shaped screen 3119 is completely screened and moved back into the four rails 3103, at this time, the first steering engine 3114, the second steering engine 3115 and the third steering engine 3116 on the screening mechanism 3110 are controlled to cooperate with the connecting rods thereon, so that the dust cover plate 3117 extends outwards and moves to right above the special-shaped screen 3119, the dust cover plate 3117 is lowered to enable the dust cover plate slot 3117a to be just inserted into the screen insert plate 3119b, and the upper dust cover plate 3117 and the lower dust cover plate 3117 are synchronously inserted, so that the special-shaped screen 3119 is completely closed, dust is not exposed, and further transferring is performed; when transporting to mixer 2400 and the surplus material storage box 2500 departments, each screening mechanism 3110 on four tracks 3103 of control removes to each orbital uppermost, and every screening mechanism 3110 all can be located the unloading passageway of mixer 2400 this moment, and then overturns through first rotating electrical machines 3112, and then the unloading, and what needs to be explained here is according to actual unloading nature demand, both sides about both sides dustproof apron 3117 can both be opened, also only open dustproof apron 3117 of one side, with the apron as the loading box of easy seepage material such as cement paste, and then upset is poured.

Compared with the prior art, the structure of the four-rail 3103 and the special-shaped screen 3119 provided by the invention is matched with the first screen inlet 2301b on the four-layer screening box 2300 and the second screen inlet 4101a on the soaking, powder-wrapping and air-drying flushing unit 4100, so that the special-shaped screen 3119 can move, fix and strengthen the coarse aggregate among processing equipment, and meanwhile, the double dustproof cover plates 3117 on the special-shaped screen 3119 can be combined and separated with the screen at any time, thereby realizing closed transportation, and simultaneously carrying a plurality of materials which cannot be carried by the original screen for transportation; the special-shaped design of the four rails allows the uppermost non-screened aggregate to be directly poured into the residual material storage box 2500 to prepare for the next use, the three rails below can be connected into a vertical straight line to perform synchronous screening, and the three rails below can be lifted to the upper side to form three rails for synchronous discharging, meanwhile, the reinforcing part 4000 is provided with four slots from top to bottom, when the screening mechanism 3110 on the four rails 3103 moves, the reinforcing mechanism is not limited to the inlets at the corresponding positions to perform reinforcing, and the reinforcing mechanism can move to the corresponding heights to perform synchronous reinforcing at different inlets, so that the preparation efficiency is greatly improved.

As shown in fig. 9-11, the reinforcement section 4000 comprises a main body of a dip-wrap air-dry flushing unit 4100 and a fine sand slurry feeding unit 4200, which are generally identical in structure but have different functions due to different connected reinforcement devices; the soaking, powder-wrapping and air-drying flushing unit 4100 is formed by taking a cylindrical box 4101 as a main body, and four second screening inlets 4101a are arranged on the outer surface of the main body from top to bottom, and the height intervals of the second screening inlets correspond to the four screening mechanisms 3110 on the screening unit 3100; the upper surface of the cylindrical box body 4101 is provided with a ring opening 4101b, the inner side of the ring opening 4101b is provided with a round mounting seat 4101c serving as the top surface of the whole device, the round mounting seat 4101c is fixedly connected with the cylindrical box body 4101 through a connecting strut 4102, an upper ring track 4103 is arranged on the periphery of the round mounting seat 4101 close to the ring opening 4101b, four electric dollies are arranged on the upper ring track 4103, each electric dolly is connected with a third electric push rod mounting seat 4104, the third electric push rod mounting seat 4104 is connected with a third electric push rod 4105, the third electric push rod 4105 penetrates through the ring opening 4101b to enter the interior of the cylindrical box body 4101, and the tail end of each third electric push rod 4105 is connected with a multifunctional channel box 4107 with different heights and downward directions; a lower circular ring track 4106 is arranged at the position corresponding to the upper circular ring track 4103 at the inner bottom end of the cylindrical box 4101, four electric trolleys are also arranged on the lower circular ring track 4106, each electric trolley is connected with an electric push rod, and the electric push rods are connected with multifunctional channel boxes 4107 with different heights and upward directions, wherein the heights are different, namely the height intervals of the four channel boxes are sequentially matched with the interval from low to high of the second screen inlet 4101a, namely the intervals of the screening mechanisms 3110 on the four tracks 3103; the outside of the multifunctional channel box 4107 is provided with a vibrating motor 4107b, the top of the vibrating motor is provided with a channel box slot 4107a, the size of the channel box slot 4107a is matched with that of the screen inserting plate 3119b, namely the screen inserting plate 3119b can be just inserted into the channel box slot 4107 a; each multifunctional channel box 4107 is connected with a mechanism in the multifunctional mechanism box 1006, such as a cement slurry pump, a cement powder blanking machine, a blower and a sprinkler; the four mechanisms can be connected into the four-height multifunctional channel boxes 4107, and can be connected into one type according to actual needs, so that the four-box independent function is realized; the fine sand slurry feeding unit 4200 is used for processing the addition of fine aggregate and other materials, for example, the multifunctional channel box 4107 is connected to a fine aggregate blanking machine, a fine sand blanking machine, a slurry pump, a pressurized water pump and the like; can be refined and selected under the combination of the upper group and the lower group of 4+4 functions;

The purpose of designing the structure is that when coarse aggregate reinforcement is needed, the screening unit 3100 moves to the position of the soaking powder-wrapping air-drying flushing unit 4100, the multifunctional channel box 4107 on the lower circular ring rail 4106 with corresponding functions is controlled to move to the position of the second screen inlet 4101a, the multifunctional channel box of the upper circular ring rail 4103 with the height being complementary to the height of the multifunctional channel box is moved to the corresponding position, the special-shaped screen 3119 is pushed into the special-shaped screen 3119 through the second electric push rod 3118 by the screening mechanism 3110, whether the special-shaped screen 3119 covers the dustproof cover plate 3117, the upper cover plate or the lower cover plate is covered or not can be selected according to the requirement, the two boxes are pushed down to the middle special-shaped screen 3119 through the electric push rod at the bottom end of the upper multifunctional channel box 4107, the channel box slot 4107a is inserted into the upper and lower screen plugboard 3119b of the special-shaped screen 3119, a complete passage is formed from top to bottom, cement paste is sequentially soaked, cement paste is sprayed, the cement paste is sprayed, and the cement paste is sprayed out of the cement paste machine, the cement paste machine is sprayed out of the cement paste machine, and the cement paste machine is used for cleaning and the process of the cleaning and the process is finished; after completion, the screen unit 3100 is moved to the fine sand slurry charging unit 4200 to charge the cement, sand, fine aggregate, etc. materials in the same manner, and optionally, the empty screen unit 3100 may be used for charging, and then the materials may be added to the mixer 2400 in steps.

Compared with the prior art, the 4+4 upper and lower double-rail multifunctional reinforcement part 4000 has the advantages that the upper and lower groups of four multifunctional channel boxes 4107 with different heights can be rotationally taken and are highly complementary, and then are stably clamped with the screening unit 3100 moved into the upper and lower groups of multifunctional channel boxes to form a complete channel, and then the multifunctional reinforcement is carried out through the upper groups of multifunctional channel boxes, such as a cement slurry pump, a cement powder blanking machine, a blower, a sprinkler, a fine aggregate blanking machine, a fine sand blanking machine, a slurry pump and a pressurized water pump, the functions and the mechanisms are mutually matched and flexibly switched, so that the adaptability and the flexibility of the device are greatly improved; because the broken aggregate has a plurality of communicated and non-communicated holes, water is absorbed in the process of preparing the concrete, so that the defect of the concrete is caused, and the holes on the aggregate can be plugged by wrapping cement paste; meanwhile, in the strengthening mode of the method, coarse aggregate is soaked through cement paste, then cement powder covers the surface, the cement paste is mixed with raw materials such as fine aggregate after hot air drying, the cement paste can seal communication pores on the surface and inside of the recycled aggregate, the single particle strength of the aggregate is improved, the covered cement powder can reduce the water absorption of the aggregate, the single particle aggregate performance is improved, and the performance of the prepared bearing plate and balancing weight are improved after the performance of the raw materials is improved.

As shown in fig. 12 and 13, the pouring part 5000 includes a first portal frame 5001 installed as a main body in a second rectangular transverse rectangular area, a transverse sliding groove 5001a is provided on the first portal frame 5001, a plurality of slidable sliding seats 5002 are installed on the sliding groove 5001a, a longitudinal rail is provided at the bottom of the sliding seats 5002, a longitudinal rectangular opening is provided on the rail, an electric trolley is provided on the rail, the electric trolley is connected with a fourth electric push rod 5003, the fourth electric push rod 5003 passes through the rectangular opening, a second rotary motor 5004 is connected at the lower end thereof, and a second electric clamping jaw 5005 is connected at the bottom of the second rotary motor 5004; the pouring part 5000 further comprises a die unit 5100 mounted on the base rail 1005, the die unit 5100 is composed of a die bearing seat 5101, the die unit is mounted on the base rail 1005 through an electric trolley, the middle of the die bearing seat 5101 is slotted, the size of the die unit is slightly larger than that of a variable die 5102 on the die unit, four die lifting seats 5103 are arranged on the front side and the rear side of the variable die 5102, two fifth electric push rods 5104 are arranged on the left side and the right side of the variable die unit, two groups of lifting grooves are formed in the die lifting seats 5103, namely a first lifting groove 5103a and a second lifting groove 5103b, and the fifth electric push rods 5104 penetrate through outer baffles of the variable die 5102 and are connected with an inner push plate 5105; the purpose of designing the structure is that before pouring, a die unit 5100 originally stored in a curing box 6001 is moved to a pouring position 1005a, the die unit is slid to the upper parts of a reinforcing mesh storage box 1003 and a channel steel storage box 1004 through a sliding seat 5002, a reinforcing mesh 1003a and a channel steel 1004a are clamped by a second electric clamping jaw 5005 which is lowered through a fourth electric push rod 5003, the second electric clamping jaw 5005 is rotated to be matched with and clamped by a second rotating motor 5004 in the clamping process, then the die unit 5100 is moved to the upper part through the sliding seat 5002, the reinforcing mesh 1003a and the channel steel 1004 are released by loosening the second electric clamping jaw 5005, a push plate 5105 can be pushed by a fifth electric push rod 5104 in advance before pouring, the internal pouring space of a variable die 5102 is adjusted, the prepared bearing plate and the prepared balancing weight are adjusted, the sizes of the bearing plates and the balancing weights in the figure are adjusted, and the bearing plates with different lengths and the widths can be set according to actual needs; when pouring, through moving sliding seat 5002 to the one side that is close to mixer 2400 in the leftmost end, connect the pump with the delivery outlet of mixer 2400, pump connection unloading pipe, unloading pipe reservation enough length, it is unloading to cooperate sliding seat 5002 to remove the top of variable mould 5102 again to press from both sides the unloading pipe through second electronic clamping jaw 5005, during unloading or after accomplishing all accessible second electronic clamping jaw 5005 presss from both sides and gets the vibrating rod, shakes the vibrating rod and inserts variable mould 5102 to concrete, can move the mould unit 5100 to curing box 6001 in the maintenance process after the vibrating is accomplished.

Compared with the prior art, the invention stores the reinforcing mesh 1003a and the channel steel 1004a in the reinforcing mesh storage box 1003 and the channel steel storage box 1004 in advance, the second electric clamping jaw 5005 is matched with the second rotating motor 5004 and the fourth electric push rod 5003 to automatically complete pre-paving before pouring, the fifth electric push rod 5104 on the variable die 5102 can adjust the size of the die by pushing out the push plate 5105 so as to meet the bearing plates and the balancing weights with different size requirements, the adaptability is greatly improved, the combination of the second electric clamping jaw 5005 can be also applied to pouring and vibrating links, the multifunction of a mechanism is realized, and the preparation efficiency is greatly improved.

As shown in fig. 14, the maintenance part 6000 includes two maintenance boxes 6001 as main bodies, one side surface of each maintenance box 6001 close to the base rail 1005 is provided with a box door 6002, the inner ground of each maintenance box 6001 is provided with a lifting rail 6004 which can be spliced with the base rail 1005, the lifting rail 6004 is arranged on a hydraulic push rod 6003, two sides of the inner part of the box body are provided with a plurality of groups of inward sixth electric push rods 6005 with different heights, and the tail ends of the sixth electric push rods 6005 are connected with an L-shaped support 6006; the purpose that sets up this structure is, when needs maintenance, the chamber door 6002 of curing case is opened, descend lifting rail 6004 through hydraulic putter 6003 and make its concatenation with base track 1005, in mould unit 5100 got into lifting rail 6004, lift lifting rail 6004 through hydraulic putter 6003, release L type support 6006 through the sixth electric putter 6005 at box inside both ends, make it clip and provide the support to mould lifting seat 5103, accomplish the storage of variable mould 5102 up to this, descending lifting rail 6004, shift out mould unit 5100 and close the chamber door and can maintain.

The demolding part 7000 is composed of a second portal frame 7001, the second portal frame 7001 is arranged above a demolding part 1005c of the base rail 1005, a first sliding rail 7001a and a second sliding rail 7001b are respectively arranged on the left side and the right side of the upper end of the second portal frame 7001, a first electric hoist 7002a capable of sliding left and right is arranged at the lower end of the first sliding rail 7001a, and a second electric hoist 7002b capable of sliding left and right is arranged at the lower end of the second sliding rail 7001 b; the purpose of designing this structure is, when needing to carry out the drawing of patterns, mould unit 5100 moves to drawing of patterns department 1005c, be connected with the first groove 5103a that lifts by crane on the left side mould lifting seat 5103 through the stay cord of first electric hoist 7002a below, the stay cord of second electric hoist 7002b below is connected with the second groove 5103b that lifts by crane on the right side mould lifting seat 5103, at first, start first electric hoist 7002a simultaneously and second electric hoist 7002b pull up the stay cord, make variable mould 5102 be lifted and break away from mould bearing seat 5101, when the lifting is to the altitude that has enough upset space, control two first electric hoist 7002a that are located the left side of second electric hoist 7001 continue to lift its variable mould 5102, simultaneously control first electric hoist 7002a slide on first slide rail 7001a to the right side on second electric hoist 7002b, make it to be connected with first electric hoist 7002a through the left side mould lifting seat that connects pull up and be overturned to the right side mould lifting seat 5103 and can be controlled by the opposite side mould lifting seat 5102 a, and can be turned over by the side to the opposite side mould lifting seat 5102 and can be further controlled to the lower mould lifting seat 5102, and can be turned over by the opposite side mould lifting tool side 5102. And after the completion, the die is replaced in an opposite mode, and the whole preparation process is finished. Compared with the prior art, the base track 1005 integrates pouring, curing and demolding processes through the pouring part 1005a, the curing part 1005b and the demolding part 1005c, and the automatic storage mechanism in the curing box 6001 and the automatic turnover mechanism on the second portal frame 7001 are matched with the special structure of the variable mold 5102 on the mold unit 5100, so that the rapid curing, turnover demolding of the mold can be realized, and the preparation efficiency is greatly improved.

The invention relates to a production method for preparing a temporary road bearing plate by intelligent recycled concrete, which comprises the following steps:

s1, preprocessing coarse aggregate: the concrete coarse aggregate is firstly taken out from the coarse aggregate storage box 1002 as required, and is added into the jaw crusher 2100, the jaw crusher 2100 outputs the coarse aggregate into the coarse aggregate conveying belt 2200 after crushing, the coarse aggregate conveying belt conveys the coarse aggregate to a high position and falls into the four-layer screening box 2300, the coarse aggregate is firstly moved to the screening box by the screening unit 3100 through the transfer track 3001 before entering the screening box, the special-shaped screen 3119 is respectively inserted into the four first screen inlets 2301b through the second electric push rods 3118 of the four screening mechanisms 3110, the bullseye balls 3119d of the special-shaped screen 3119 are propped against the screening track 2301c, the first electric push rods 2302 are controlled to clamp the screen clamping seat 3119a in cooperation with the first electric clamping jaws 2303, the pore diameters of the four meshed screen 3119c are sequentially reduced from top to bottom, screening can be started at this moment, the first electric push rods 2302 on the left side and the right side are controlled to stretch relatively, the screen mesh can slide left and right on the screening track 2301c to screen, at this time, the screening unit 3100 can be controlled to move left and right in cooperation with the screening mechanism 3110 on the three-layer track 3103c, because the three-layer track 3103c is a vertical track, the screening mechanism 3110 thereon cannot move laterally, so that the three-layer track is actually fixedly connected with the whole screening unit 3100 in the lateral direction, and needs to move together, and the other one-layer track 3103a, two-layer track 3103b and four-layer track 3103d can move transversely, so that the three-layer track 3103c can be fixed on the screening unit 3100 together as the screening mechanism 3110 on the three-layer track and move transversely along with the screening mechanism 3100, and can move relatively according to the respective tracks, thereby improving the screening flexibility and efficiency, retracting the screening mechanisms 3110 after screening, and moving the screening unit 3100 to the reinforcement part 4000 to perform the reinforcement procedure;

S2, aggregate clamping and transferring: at this time, the special-shaped screen 3119 is completely screened and moved back into the four tracks 3103, at this time, the first steering engine 3114, the second steering engine 3115 and the third steering engine 3116 on the screening mechanism 3110 are controlled to cooperate with the connecting rods thereon, so that the dust-proof cover plate 3117 extends outwards and moves to right above the special-shaped screen 3119, the cover plate is lowered to enable the dust-proof cover plate slot 3117a of the cover plate to be just inserted into the screen insert plate 3119b, and the upper dust-proof cover plate 3117 and the lower dust-proof cover plate 3117 are synchronously inserted, so that the special-shaped screen 3119 is completely closed, dust is not exposed, and further transportation is performed;

s3, reinforcing coarse aggregate: the screening unit 3100 moves to the position of the soaking, powder-wrapping and air-drying flushing unit 4100, the multifunctional channel box 4107 on the lower circular ring rail 4106 with corresponding functions is controlled to move to the position of the second screen inlet 4101a, meanwhile, the multifunctional channel box of the upper circular ring rail 4103 with the height being complementary to the height of the multifunctional channel box is moved to the corresponding position, the special-shaped screen 3119 is pushed into the screening mechanism 3118 through the second electric push rod 3118, the special-shaped screen 3119 can be selected to cover the dustproof cover plate 3117a, cover the upper or lower cover plate and the like according to the requirement, the cover plate is not covered, the two boxes are pushed down to the middle special-shaped screen 3119 through the electric push rod at the bottom end of the upper and lower multifunctional channel boxes 4107, the channel box slots 4107a are inserted into the upper and lower screen plugboards 3119b of the special-shaped screen 3119, a complete passage is formed, cement paste is soaked, cement powder covered and air-dried in sequence through the cement paste pump, the cement powder blanking machine, the blower and the water machine, and the cement paste spraying procedure is completed, and the water can be used for completing the cleaning procedure after the blanking and the air drying procedure; after completion, the sieving unit 3100 is moved to the fine sand slurry charging unit 4200 to add raw materials such as cement, sand, fine aggregate, etc. in the same manner, and here, an empty sieving unit 3100 may be optionally used for charging, and then the raw materials are added into the mixer 2400 step by step;

S4, mixing and stirring: when the materials are transferred to the positions of the stirrer 2400 and the residual material storage box 2500, controlling each screening mechanism 3110 on the four rails 3103 to move to the uppermost end of each rail, wherein each screening mechanism 3110 can be located above a discharging channel of the stirrer 2400, and then turned over by a first rotating motor 3112 to perform discharging, and it is to be noted here that according to the actual discharging property requirement, the dustproof cover plates 3117 on the upper side and the lower side can be opened, and only one dustproof cover plate 3117 on one side can be opened, so that the cover plates can be used as a bearing box for easily-leaked materials such as cement slurry, and then the materials can be turned over for discharging;

s5, pouring a die: before pouring, the mold unit 5100 originally stored in the curing box 6001 is moved to a pouring position 1005a, the mold unit is slid to the upper parts of the reinforcing mesh storage box 1003 and the channel steel storage box 1004 through the sliding seat 5002, the second electric clamping jaw 5005 is lowered through the fourth electric push rod 5003 to clamp the reinforcing mesh 1003a and the channel steel 1004a, the second electric clamping jaw 5005 can be rotated to be matched with and clamped through the second rotating motor 5004 in the clamping process, then the mold unit 5100 is moved to the upper part through the sliding seat 5002, the reinforcing mesh 1003a and the channel steel 1004 are put down through the second electric clamping jaw 5005, the push plate 5105 can be pushed through the fifth electric push rod 5104 in advance before pouring, the internal pouring space size of the variable mold 5102 is adjusted, the size of the prepared bearing plate and the prepared balancing weight is adjusted, the bearing plate and the balancing weight with different lengths and widths can be set according to actual needs; when pouring is carried out, the sliding seat 5002 is moved to the side, closest to the mixer 2400, of the leftmost end, an output port of the mixer 2400 is connected with a pump, the pump is connected with a blanking pipe, the blanking pipe is reserved for a sufficient length, the blanking pipe is clamped and taken by the second electric clamping jaw 5005 and then is moved to the upper side of the variable die 5102 in cooperation with the sliding seat 5002 to carry out blanking, a vibrating rod can be clamped and taken by the second electric clamping jaw 5005 during blanking or after finishing, the vibrating rod is inserted into the variable die 5102 to vibrate concrete, and after the vibrating is finished, the die unit 5100 can be moved into the curing box 6001 to carry out curing procedures;

S6, curing the die: the box door 6002 of the curing box is opened, the lifting rail 6004 is lowered by the hydraulic push rod 6003 to be spliced with the base rail 1005, the die unit 5100 enters the lifting rail, the lifting rail 6004 is lifted by the hydraulic push rod 6003, the L-shaped support 6006 is pushed out by the sixth electric push rod 6005 at the two ends of the inner part of the box body, the L-shaped support 6006 is clamped and supports the die lifting seat 5103, so that the variable die 5102 is stored, the lifting rail 6004 is lowered, and the box door can be closed by moving out of the die unit 5100 for curing;

s7, overturning and demolding: the mold unit 5100 moves to the demolding position 1005c, the pull rope below the first electric hoist 7002a is connected with the first lifting groove 5103a, the pull rope below the second electric hoist 7002b is connected with the second lifting groove 5103b, the pull rope of the first electric hoist 7002a is pulled up and moved to the right side of the second electric hoist 7002b on the sliding rail, the pull rope of the second electric hoist 7002b is lifted up to complete the overturning of the variable mold 5102, the demolding is further finished, and the mold is replaced in an opposite mode after the demolding is finished, so that the whole preparation process is finished.

While the invention has been described with respect to specific embodiments thereof, it will be appreciated that the invention is not limited thereto, but is intended to cover modifications and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. Production line of interim road bearing plate is prepared to intelligent recycled concrete, its characterized in that includes:

the base part (1000) is used as an integral base and comprises a ground (1001) positioned at the bottom, the ground (1001) is provided with a first transverse rectangular area, a second transverse rectangular area and a third transverse rectangular area which are sequentially arranged, the rightmost end of the first transverse rectangular area is provided with a coarse aggregate storage box (1002), the left end of the second transverse rectangular area is provided with a plurality of multifunctional mechanism boxes (1006), and the right end of the second transverse rectangular area is provided with a reinforcing steel bar net storage box (1003) and a channel steel storage box (1004); the ground (1001) is also provided with a base track (1005) which connects the second transverse rectangular area with the third transverse rectangular area from the middle part;

a coarse aggregate treatment part (2000) which is positioned in the first transverse rectangular area and comprises a jaw crusher (2100), a coarse aggregate conveyer belt (2200), a four-layer screening box (2300), a stirrer (2400) and a residue storage box (2500) which are sequentially arranged from right to left;

the reinforcing part (4000) is positioned in the first transverse rectangular area and arranged between the four-layer screening box (2300) and the stirrer (2400), and comprises a soaking powder-wrapping air-drying flushing unit (4100) and a fine sand slurry feeding unit (4200) for multifunctional reinforcement of aggregate entering the reinforcing part (4000);

A transporting portion (3000) located in the first transverse rectangular area and facing the four-layer screening box (2300) and the reinforcing portion (4000), and comprising a transporting rail (3001) mounted on the ground (1001), wherein a plurality of screening units (3100) are arranged on the transporting rail (3001), the screening units (3100) comprise a screening base (3101) mounted on the transporting rail (3001) through an electric trolley, a four-rail mounting plate (3102) is arranged on the screening base (3101), four rails (3103) are arranged on the four-rail mounting plate (3102), one screening mechanism (3110) is arranged on each of the four rails (3103), and the pore diameters of a meshed screen (3119 c) inside the screening mechanism (3110) from top to bottom are sequentially reduced from top to bottom; the screen mesh (3119 c) with holes is inserted into the four-layer screening box (2300) to screen the aggregate, and inserted into the strengthening part (4000) to strengthen the screened aggregate;

a pouring part (5000) located in the second transverse rectangular area and comprising a first portal frame (5001) and a die unit (5100) mounted on the base track (1005), wherein the pouring part is used for conveying aggregate stirred by the stirrer (2400) into a variable die (5102) of the die unit (5100) and clamping reinforcing steel meshes (1003 a) and channel steel (1004 a) in the reinforcing steel mesh storage box (1003) and the channel steel storage box (1004) into the variable die (5102);

A curing section (6000) located in the third transverse rectangular region and including two curing boxes (6001) for performing a curing process on the mold units (5100) moved into the curing boxes (6001);

and a demolding portion (7000) located in the third transverse rectangular region for demolding the mold unit (5100) moved under the demolding portion (7000).

2. The production line for preparing temporary road bearing plates by intelligent recycled concrete according to claim 1, wherein the four-layer screening box (2300) is a main body formed by a screening box body (2301), the screening box body (2301) is installed on the ground (1001) through four screening box supporting legs (2301 a) at the bottom, four inward first electric pushing rods (2302) are respectively arranged at the left end and the right end of the screening box body (2301) from top to bottom, and a first electric clamping jaw (2303) is connected to the pushing rod end of each first electric pushing rod (2302); four transverse screening tracks (2301 c) are arranged on the inner side of the back of the screening box body (2301) from top to bottom, the spacing height of the screening tracks (2301 c) is identical to that of the first electric push rod (2302), and the height of the screening tracks is identical to that of the first electric push rod; the front surface of the screening box body (2301) is provided with four first screen inlets (2301 b) with rectangular openings from top to bottom, and the heights and the intervals of the first screen inlets are the same as those of the first electric push rod (2302).

3. The production line for preparing a temporary road bearing plate by intelligent recycled concrete according to claim 2, wherein the four rails (3103) comprise a first L-shaped layer rail (3103 a) positioned at the bottom and right, a second L-shaped layer rail (3103 b) positioned at the top and left, three layers of rails (3103 c) positioned vertically above the second layer rail (3103 b) and four transverse layers of rails (3103 d) positioned above the second layer rail;

the screening mechanism (3110) is mounted on the four-rail track (3103) through a screening electric trolley (3111), a first rotating motor (3112) is connected to the screening electric trolley (3111), a screen mounting plate (3113) is connected to the rotating end of the first rotating motor (3112), a first steering engine (3114) is arranged at the rear end of the upper face and the lower face of the screen mounting plate (3113), a first connecting rod is connected to the output end of the first steering engine (3114), a second steering engine (3115) is connected to the tail end of the first connecting rod through a rotating shaft, the output end of the second steering engine (3115) is connected to the other second connecting rod, a third steering engine (3116) is arranged at the tail end of the second connecting rod, the third steering engine (3116) is connected with a dustproof cover plate (3117) through the rotating shaft, a rectangular slot is formed in the dustproof cover plate (3117), a dustproof cover plate slot (3117 a) is formed between the rectangular slot and the outer surface of the dustproof cover plate, and the size of the dustproof cover plate slot (3117 a) is matched with the screen (3119 b) of the special-shaped screen (3119); the middle part of the upper surface and the lower surface of the screen mounting plate (3113) is respectively provided with a second electric push rod (3118), the tail end of the second electric push rod (3118) is connected with a special-shaped screen (3119), the middle part of the special-shaped screen (3119) is provided with a screen (3119 c) with holes, a screen insert plate (3119 b) protruding out is arranged between the screen (3119 c) with holes and the outer surface of the special-shaped screen (3119) and is just inserted into a dust-proof plate slot (3117 a) and a channel box slot (4107 a), a plurality of bullseye balls (3119 d) are arranged on the outer surface of one side of the special-shaped screen (3119) far from the screen mounting plate (3113), and the bullseye balls (3119 d) just can enter and be attached to the inner surface of the screening track (2301 c); both sides of the special-shaped screen cloth (3119) are provided with screen cloth clamping seats (3119 a), and the screen cloth clamping seats (3119 a) can be used for clamping and fixing the first electric clamping jaw (2303).

4. A production line for preparing temporary road bearing plates by intelligent recycled concrete according to claim 3, wherein the soaking powder-wrapping air-drying flushing unit (4100) is formed by taking a cylindrical box body (4101) as a main body, and four second screening inlets (4101 a) are formed in the outer surface of the cylindrical box body from top to bottom, and the height intervals of the second screening inlets correspond to four screening mechanisms (3110) on the screening unit (3100); the upper surface of the cylindrical box body (4101) is provided with an annular opening (4101 b), the inner side of the annular opening (4101 b) is provided with a circular mounting seat (4101 c) serving as the top surface of the whole device, the circular mounting seat (4101 c) is fixedly connected with the cylindrical box body (4101) through a connecting support column (4102), the periphery of the circular mounting seat (4101) close to the annular opening (4101 b) is provided with an upper annular track (4103), the upper annular track (4103) is provided with four electric trolleys, each electric trolley is connected with a third electric putter mounting seat (4104), the third electric putter mounting seat (4104) is connected with a third electric putter (4105), the third electric putter (4105) penetrates through the annular opening (4101 b) and enters the interior of the cylindrical box body (4101), and the tail end of each third electric putter (4105) is connected with a multifunctional channel box (4107) with different heights and downward directions; a lower circular ring track (4106) is arranged at the position corresponding to the upper circular ring track (4103) at the inner bottom end of the cylindrical box body (4101), four electric trolleys are also arranged on the lower circular ring track (4106), each electric trolley is connected with an electric push rod, and the electric push rods are connected with multifunctional channel boxes (4107) with different heights and upward directions;

The fine sand slurry feeding unit (4200) has the same structure as the soaking powder-coated air-drying flushing unit (4100).

5. The production line for preparing temporary road bearing plates from intelligent recycled concrete according to claim 4, wherein a vibration motor (4107 b) is arranged on the outer side of the multifunctional channel box (4107), a channel box slot (4107 a) is arranged on the top of the multifunctional channel box, the size of the channel box slot (4107 a) is matched with that of the screen insert plate (3119 b), namely the screen insert plate (3119 b) can be inserted into the channel box slot (4107 a); each multifunctional channel box (4107) is connected with a mechanism in the multifunctional mechanism box (1006).

6. The production line for preparing the temporary road bearing plate by intelligent recycled concrete according to claim 5, wherein a transverse sliding groove (5001 a) is formed in the first portal frame (5001), a plurality of sliding seats (5002) capable of sliding are arranged on the sliding groove (5001 a), a longitudinal track is arranged at the bottom of each sliding seat (5002), a longitudinal rectangular opening is formed in each track, an electric trolley is arranged on each track and connected with a fourth electric push rod (5003), each fourth electric push rod (5003) penetrates through each rectangular opening, a second rotary motor (5004) is connected to the lower end of each fourth electric push rod, and a second electric clamping jaw (5005) is connected to the bottom of each second rotary motor (5004);

The die unit (5100) comprises a main body by a die bearing seat (5101), the main body is mounted on a base track (1005) through an electric trolley, the middle of the die bearing seat (5101) is slotted, the size of the die bearing seat is larger than that of a variable die (5102) on the die bearing seat, four die lifting seats (5103) are arranged on the front side and the rear side of the variable die (5102), two fifth electric push rods (5104) are arranged on the left side and the right side of the variable die, two groups of lifting grooves are formed in the die lifting seats (5103), the first lifting grooves (5103 a) and the second lifting grooves (5103 b) are respectively formed in the die lifting seats, and the fifth electric push rods (5104) penetrate through outer baffles of the variable die (5102) to be connected with an inner push plate (5105).

7. The production line for preparing the temporary road bearing plate by intelligent recycled concrete according to claim 6, wherein the lifting rail (6004) which can be spliced with the base rail (1005) is arranged on the inner ground of the curing box (6001), the lifting rail (6004) is arranged on the hydraulic push rod (6003), a plurality of groups of inward sixth electric push rods (6005) with different heights are correspondingly arranged on two sides of the inner part of the box, and the tail end of each sixth electric push rod (6005) is connected with an L-shaped support (6006).

8. The production line for preparing the temporary road bearing plate by using the intelligent recycled concrete according to claim 7, wherein the demoulding part (7000) is formed by a second portal frame (7001), the second portal frame (7001) is installed above a demoulding part (1005 c) of the base track (1005), a first sliding rail (7001 a) and a second sliding rail (7001 b) are respectively arranged on the left side and the right side of the upper end of the second portal frame (7001), a first electric hoist (7002 a) capable of sliding left and right is installed at the lower end of the first sliding rail (7001 a), and a second electric hoist (7002 b) capable of sliding left and right is installed at the lower end of the second sliding rail (7001 b).

9. A method for producing a temporary road bearing plate by using the intelligent recycled concrete of the production line of claim 8, which is characterized by comprising the following steps:

s1, preprocessing coarse aggregate: firstly taking out concrete coarse aggregates from a coarse aggregate storage box (1002), adding the coarse aggregates into a jaw crusher (2100) as required, outputting the coarse aggregates into a coarse aggregate conveying belt (2200) after the jaw crusher (2100) completes crushing, conveying the coarse aggregates to a high position by the coarse aggregate conveying belt (2200) and falling into a four-layer screening box (2300), moving the coarse aggregates to the four-layer screening box (2300) from a screening unit (3100) through a transfer track (3001) before entering the four-layer screening box (2300), respectively inserting a special-shaped screen (3119) into four first screen inlets (2301 b) through controlling a second electric push rod (3118) of the four screening mechanisms (3110), enabling bullnose balls (3119 d) of the special-shaped screen (3119) to prop against a screening track (2301 c), controlling the first electric push rod (2302) to clamp a screen clamping seat (3119 a), sequentially reducing the aperture of the four-layer screening box (3119 c) from top to bottom, and controlling the electric push rods (3118) to move the screen holes (3119 c) on the left side and enabling the screen (3113) to slide on the left side and right side of the screen (3113) to move relative to the track (3111 b); after screening, each screening mechanism (3110) is retracted, and the screening unit (3100) is moved to the reinforcing section (4000) to perform the reinforcing process;

S2, aggregate clamping and transferring: at the moment, the special-shaped screen (3119) is screened and moved back into the four tracks (3103), at the moment, the first steering engine (3114), the second steering engine (3115) and the third steering engine (3116) on the screening mechanism (3110) are controlled to be matched with connecting rods on the first steering engine, so that the dustproof cover plate (3117) extends outwards and moves to the position right above the special-shaped screen (3119), the cover plate is lowered to enable the dustproof cover plate slot (3117 a) to be just inserted into the screen insert plate (3119 b), and the upper dustproof cover plate and the lower dustproof cover plate (3117) are synchronously inserted, so that the special-shaped screen (3119) is completely closed, dust cannot be exposed, and further transportation is carried out;

s3, reinforcing coarse aggregate: the screening unit (3100) moves to the position of the soaking powder-wrapping air-drying flushing unit (4100), the multifunctional channel box (4107) on the lower circular ring rail (4106) with corresponding functions is controlled to move to the position of the second screen inlet (4101 a), meanwhile, the multifunctional channel box of the upper circular ring rail (4103) which is highly complementary to the multifunctional channel box with the height is moved to the corresponding position, the special-shaped screen (3119) is pushed into the special-shaped screen through the second electric push rod (3118) by the screening mechanism (3110), whether the special-shaped screen (3119) covers the dustproof cover plate (3117 a), covers the upper cover plate or the lower cover plate or the like can be selected according to the requirement, the two box bodies are pushed down to the middle special-shaped screen (3119) through the electric push rod at the bottom end of the upper multifunctional channel box (4107), the channel box slot (4107 a) is inserted into the upper screen insert plate (3119 b) and the lower screen insert plate (3119 b) of the special-shaped screen, a complete passage from top to bottom is formed, and then the cement paste is sequentially used for the cement paste cleaning procedure of a cement paste spraying machine, a cement paste, a water machine, a cement paste spraying machine and a cement paste cleaning procedure; after completion, the sieving unit (3100) is moved to the fine sand slurry feeding unit (4200) to feed cement, sand, fine aggregate and other raw materials in the same way, wherein an empty sieving unit (3100) can be optionally used for feeding, and the raw materials are fed into the stirrer (2400) step by step;

S4, mixing and stirring: when the material is transported to the stirrer (2400) and the residue storage box (2500), controlling each screening mechanism (3110) on the four tracks (3103) to move to the uppermost end of each track, wherein each screening mechanism (3110) can be positioned above a discharging channel of the stirrer (2400) at this time, and then the material is turned over by a first rotating motor (3112) to further discharge the material;

s5, pouring a die: before pouring, a die unit (5100) originally stored in a curing box (6001) is moved to a pouring position (1005 a), the die unit is slid to the upper parts of a reinforcing mesh storage box (1003) and a channel steel storage box (1004) through a sliding seat (5002), a reinforcing mesh (1003 a) and the channel steel (1004 a) are clamped by a second electric clamping jaw (5005) through a fourth electric push rod (5003), the second electric clamping jaw (5005) can be rotated to be matched and clamped through a second rotating motor (5004) in the clamping process, then the die unit is moved to the upper part of the die unit (5100) through a sliding seat (5002), the reinforcing mesh (1003 a) and the channel steel (1004) are put down through a second electric clamping jaw (5005), the push plate (5105) can be pushed through a fifth electric push rod (5104) in advance before pouring, and then the size of the internal pouring space of the variable die (5102) can be adjusted, and the size of a prepared bearing plate and a balancing weight can be adjusted; when pouring is carried out, the sliding seat (5002) is moved to the leftmost end, close to one side of the mixer (2400), an output port of the mixer (2400) is connected with a pump, the pump is connected with a blanking pipe, the blanking pipe is reserved for a sufficient length, the blanking pipe is clamped by a second electric clamping jaw (5005) and then is moved to the upper side of the variable die (5102) to carry out blanking by being matched with the sliding seat (5002), a vibrating rod can be clamped by the second electric clamping jaw (5005) during blanking or after finishing, the vibrating rod is inserted into the variable die (5102) to vibrate concrete, and a die unit (5100) can be moved into a curing box (6001) to carry out curing procedures after vibrating;

S6, curing the die: the box door (6002) of the curing box is opened, the lifting rail (6004) is lowered by the hydraulic push rod (6003) to be spliced with the base rail (1005), the die unit (5100) enters the lifting rail, the lifting rail (6004) is lifted by the hydraulic push rod (6003), the L-shaped support (6006) is pushed out by the sixth electric push rod (6005) at the two ends of the inner part of the box body to clamp and support the die lifting seat (5103), so that the variable die (5102) is stored, the lifting rail (6004) is lowered, and the box door is closed by moving out of the die unit (5100) to perform curing;

s7, overturning and demolding: the mold unit (5100) moves to a demolding position (1005 c), the pull rope below the first electric hoist (7002 a) is connected with the first lifting groove (5103 a), the pull rope below the second electric hoist (7002 b) is connected with the second lifting groove (5103 b), the pull rope of the first electric hoist (7002 a) is pulled up and moved to the right side of the second electric hoist (7002 b) on the sliding rail, the pull rope of the second electric hoist (7002 b) is lifted up, the turnover of the variable mold (5102) can be completed, the demolding is further completed, and the mold is replaced in an opposite mode after the demolding is completed, so that the whole preparation process is finished.