CN112221672A - Intelligent environment-friendly box type mobile crushing station and construction method thereof - Google Patents

Abstract

The application discloses an intelligent environment-friendly box type mobile crushing station and a construction method thereof, wherein the intelligent environment-friendly box type mobile crushing station is formed by assembling a plurality of modularized equipment components, a modularized integration box and the like, namely the whole crushing station is decomposed into a plurality of modules which can be completely assembled and connected on site, so that the welding procedures are reduced, and the disassembly and the assembly are convenient; through assembled precast concrete basis cushion cap module, need not the on-the-spot pouring basis, when needs carry out broken handle, can directly transport each module to the scene, with frame module and assembled precast concrete basis cushion cap module fixed connection, assemble other module again, assembled precast concrete basis cushion cap module makes the box basic stability who removes broken station of intelligence environmental protection good, it is big because of the area of being exposed to the wind to have avoided box removal broken station, wind-force influences the steadiness of whole equipment and the not hard up aversion of basis greatly, thoroughly changed current removal broken station open-air, open production, environmental protection economy more.

Description

Intelligent environment-friendly box type mobile crushing station and construction method thereof

Technical Field

The invention relates to the technical field of mobile crushing stations, in particular to an intelligent environment-friendly box type mobile crushing station and a construction method thereof.

Background

The movable crushing station is important equipment for ore processing and construction waste recycling, and is widely applied to occasions of crushing mineral substances, gravel aggregates, construction waste and the like. The movable crushing station can be mainly applied to crushing and screening production of medium and fine crushed materials according to different grading modes of a crushing and screening production line, is widely applied to a small mountain bare tailings and gravel aggregate crushing and screening production line, and has the advantages of less investment, high return rate, on-site production and on-site selling and the like.

Most aggregate processing in the prior mining is open-air production, dust pollution and noise pollution are large, production equipment is in a working environment of solarization and raining for a long time, and is easy to age, and has many faults and low efficiency; even if a mobile crushing station is adopted for production, the fixed and open crushing station is adopted, open-air production is adopted, no environment-friendly facility is provided, and a stable foundation is not provided, so that the mobile crushing station has large vibration and high failure frequency; in addition, the diesel generators are required to be installed on the machine frame in a matched manner in some mobile crushing stations, so that the diesel generators occupy a large space, the production capacity of the crushing stations is limited, the maximum time can only reach dozens of tons, the production efficiency is low, and the production requirements of mines cannot be met fundamentally; particularly, in the initial stage of mining of a new mine, the raw ores on the quarry roads and ramps of the mine need to be mined in advance, and the production efficiency of the crushing station is low, so that the time required for digesting the mining amount of the raw ores in the early stage is too long, and the production cost is too high.

Disclosure of Invention

In order to solve the problems, the invention aims to provide an intelligent environment-friendly box type mobile crushing station and a construction method thereof, wherein the intelligent environment-friendly box type mobile crushing station is formed by assembling a plurality of modularized equipment components, a modularized integration box and the like, namely, the integral crushing station is decomposed into a plurality of modules which can be assembled and connected on site, so that the welding procedures are reduced, and the intelligent environment-friendly box type mobile crushing station is more convenient to disassemble and assemble; through the prefabricated concrete foundation bearing platform module, a foundation does not need to be cast on site, the stability of the foundation is good, the influence of large wind area and large wind power on the stability of the whole equipment and the loosening and shifting of the foundation of the box-type mobile crushing station is avoided, and the disassembly and the assembly are convenient while the stability is ensured; the open-air and open-type production process of the existing mobile crushing station is thoroughly changed by the box-type mobile crushing station formed by assembling the modules, so that the mobile crushing station is more environment-friendly and economical.

In order to achieve the above object, in a first aspect, the invention provides an intelligent environment-friendly box-type mobile crushing station, which comprises a box-type module, a rack module, a feeding module, a vibrating feeder module, a crusher module, a screening module, a discharging module, a powder collector module, a finished product bin module, a central control room module, a generator module, a dust collector module and an assembly-type precast concrete foundation bearing platform module; the crusher module is used for receiving and crushing materials to be crushed; the screening module is used for receiving the materials crushed by the crusher module and screening the crushed materials into screening materials with set screening sizes; the frame module can with assembled precast concrete basis cushion cap module fixed connection, the box mobile crushing station of intelligence environmental protection includes the frame module with assembled precast concrete basis cushion cap module fixed connection's fixed state and the frame module with the removal state of assembled precast concrete basis cushion cap module separation. The intelligent environment-friendly box-type mobile crushing station is formed by assembling a plurality of modular equipment components, a modular integration box and the like, namely the whole crushing station is decomposed into a plurality of modules such as a box-type module, a rack module, a feeding module and the like, and the modules can be assembled and connected on site, so that the welding process is reduced, and the disassembly and the assembly are more convenient; through the assembly type precast concrete foundation bearing platform module, a foundation does not need to be poured on site, when crushing treatment is needed, all the modules can be directly transported to the site, the rack module and the assembly type precast concrete foundation bearing platform module are fixedly connected, and then other modules are assembled, the assembly type precast concrete foundation bearing platform module enables the foundation stability of the intelligent environment-friendly box type mobile crushing station to be good enough, the phenomenon that the box type mobile crushing station is large in wind area and large in wind force to influence the stability of the whole equipment and the loosening and displacement of the foundation is avoided, and the disassembly and the assembly can be facilitated while the stability is ensured; the open-air and open-type production process of the existing mobile crushing station is thoroughly changed by the box-type mobile crushing station formed by assembling the modules, so that the mobile crushing station is more environment-friendly and economical.

In one example, the rack module has a support pedestal, and the fabricated precast concrete foundation cap module is provided with a pre-embedded nut, and the support pedestal is fixedly connected with the pre-embedded nut through a bolt. The mode of fixing through the embedded nut and the bolt is good in stability and fast to install, and field assembly is facilitated.

In one example, the discharging module is provided as a conveying belt, and a powder collecting module is arranged at the discharging end of the conveying belt. The conveyer belt ejection of compact is fast and the continuity is good, receives powder ware module and mainly removes powder and collects screening material, prevents in the middle of too much dust discharges the external environment, protects all ring edge borders and staff's operational environment, reaches the effect of environmental protection, and the dust in the screening material reduces simultaneously, can also improve the quality grade of mechanism sand.

In one example, the powder collector module comprises a material disperser and a transition bin, wherein the material disperser is used for enhancing powder removal, and the transition bin is used for forcibly collecting powder. The material disperser is mainly used for stripping and removing dust attached to the surface of the screened material, and the transition bin is used for collecting the dust.

In one example, the material disperser is provided as a plurality of tower-shaped side-by-side wire brush rollers that are rotated by the screened material as it passes through the wire brush rollers. The tower-shaped parallel steel wire brush roller rotates when the screened materials pass through, the steel wire brush on the surface of the roller can brush out the dust adhered to the surface of the screened materials, and a transition bin is convenient to collect the dust.

In one example, the inside of the box module is provided with a service corridor, and the top of the box module is provided with a high-definition monitoring assembly. The overhaul corridor and the high-definition monitoring assembly in the box-type module can facilitate the overhaul of workers.

In one example, tires are mounted beneath the rack modules to facilitate movement of the rack modules. When the box broken station of removal of intelligence environmental protection needs to remove, at first separate frame module and assembled precast concrete basis cushion cap module, the tire of the removal accessible bottom of frame module realizes, and it is convenient to remove, and the on-the-spot transition of being convenient for when the production of taking one's place, as long as fall to the ground with the support column foot of frame module and be connected fixedly with assembled precast concrete cushion cap module can.

In one example, the generator module is a separately provided integrated tank module. When the generator module is independently set to be an integrated box module, the local space of a host integrated box is not occupied, a crushing equipment system with larger capacity can be assembled, the production capacity of a crushing station is larger, the requirements on production efficiency and environmental protection of large-scale mines are met, the investment is reduced, and benefit return is obtained as soon as possible; especially, the method can quickly digest the mining amount of the former raw ore under the condition that the former mining of the raw ore on the quarry road and the ramp of the mine is needed in the early mining stage of the new mine, thereby achieving the effects of environmental protection and economy; meanwhile, the generator can be rented, so that the equipment investment is reduced, and the cost is reduced.

In one example, the discharging module is provided as a conveying belt, and a tire type movable belt conveyor is connected to the discharging end of the conveying belt. The tire type movable belt conveyor can be connected to the discharge end of the discharge module of each movable crushing station according to the size of a field, so that finished products can be conveniently conveyed to a far position to be stacked and stored, the storage capacity of the finished products is increased, quick delivery is facilitated, and the delivery efficiency is improved.

In one example, the intelligent environment-friendly box type mobile crushing station further comprises an intelligent operation control system, and the intelligent operation control system has the functions of detecting current overload of a host in real time, automatically adjusting belt deviation and early warning of material blockage at a material inlet and a material blockage at a material outlet of the crusher; the intelligent operation control system also has the functions of indoor human body infrared induction early warning of the box-type module and locking the machine to prohibit the starting of equipment, so that safety accidents caused by the fact that workers do not come out indoors are prevented.

In a second aspect, the invention further provides a construction method of the intelligent environment-friendly box type mobile crushing station, which includes:

s1) arranging the precast concrete foundation bearing platform and the corresponding frame, digging a foundation pit with the same size as the prefabricated precast concrete foundation bearing platform module on the ground when the precast concrete foundation bearing platform is installed, placing the prefabricated precast concrete foundation bearing platform module in the foundation pit, and fixedly connecting the frame module and the prefabricated precast concrete foundation bearing platform module;

s2) filling lime expansive soil around the prefabricated concrete foundation bearing platform module and watering to expand the lime expansive soil.

During site operation, can directly dig the foundation ditch on ground, arrange prefabricated assembled precast concrete foundation cushion cap in the foundation ditch, frame module and assembled precast concrete foundation cushion cap fixed connection, other modules carry out normal equipment work, guarantee its fixed strength through lime expansive soil between assembled precast concrete foundation cushion cap and the foundation ditch, whole work progress convenient and fast also is convenient for the removal of the broken station of intelligent environmental protection box removal.

Drawings

The drawings described herein are only for assisting those skilled in the art in understanding the technical solutions of the present invention, and the exemplary embodiments of the present invention described in conjunction with the drawings are only for explaining the technical solutions of the present invention and do not constitute a limitation of the present invention. In the drawings:

fig. 1 is a front view of an intelligent environment-friendly box-type mobile crushing station provided by an embodiment of the invention;

FIG. 2 is a schematic view of a mating structure of a rack module and an assembled precast concrete foundation cap module according to an embodiment of the present invention;

fig. 3 is a front view of a material disperser according to an embodiment of the present invention.

List of reference numerals:

the device comprises an intelligent environment-friendly box type mobile crushing station 1, a rack module 10, a support column base 11, bolts 12, tires 13, a crusher module 20, a screening module 30, an assembled precast concrete foundation bearing platform module 40, embedded nuts 41, a box type module 50, an air purification dust collector 51, a foundation pit 60, lime expansive soil 61, a material disperser 70 and a steel wire brush roller 71.

Detailed Description

In order to more clearly explain the overall concept of the invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 3, the invention provides an intelligent environment-friendly box-type mobile crushing station 1, which comprises a rack module 10, a feeding module, a vibrating feeder module, a crusher module 20, a screening module 30, a discharging module, a powder collecting module, a finished product bin module, a central control room module, a generator module, a dust remover module, an assembled precast concrete foundation bearing platform module 40 and a box-type module 50; the crusher module 20 is used for receiving and crushing a material to be crushed; the screening module 30 is used for receiving the materials crushed by the crusher module 20 and screening the crushed materials into screened materials with set screening sizes; frame module 10 can with assembled precast concrete foundation cushion cap module 40 fixed connection, the broken station 1 of box removal of intelligence environmental protection includes the fixed state of frame module 10 and assembled precast concrete foundation cushion cap module 40 fixed connection and the removal state of frame module 10 and assembled precast concrete foundation cushion cap module 40 separation. The intelligent environment-friendly box-type mobile crushing station 1 is formed by assembling a plurality of modularized equipment components, modularized integration boxes and the like, namely, the whole crushing station is decomposed into a plurality of modules such as a rack module 10, a feeding module, a box-type module 50 and the like, and the modules can be completely assembled and connected on site, so that the welding process is reduced, and the disassembly and the assembly are more convenient; through the prefabricated concrete foundation bearing platform module 40, a foundation does not need to be poured on site, when crushing treatment is needed, all modules can be directly transported to the site, the rack module 10 and the prefabricated concrete foundation bearing platform module 40 are fixedly connected, and then other modules are assembled, the prefabricated concrete foundation bearing platform module 40 ensures that the stability of the foundation of the intelligent environment-friendly box-type mobile crushing station 1 is good enough, the box-type mobile crushing station 1 is prevented from influencing the stability of the whole equipment and the loosening and displacement of the foundation due to large wind area and large wind force, and the disassembly and the installation are convenient while the stability is ensured; the hourly production capacity of the box-type mobile crushing station 1 assembled by the modules can reach 250-300 tons, the open production process of the conventional mobile crushing station is thoroughly changed, and the box-type mobile crushing station is more environment-friendly and economical.

Specifically, a plurality of box modules 50 may be provided, for example, a central control room integration box module, a crushing integration box module, a screening integration box module, a feeding module, etc., and specific setting positions and specific numbers of the box modules 50 may be flexibly set according to field construction conditions, and the illustration in the present embodiment is merely an exemplary representation, and the positions and the numbers thereof are not specifically limited.

In one embodiment, as shown in fig. 2, the frame module 10 has a support pedestal 11, and the fabricated precast concrete foundation cap module 40 is provided with a pre-embedded nut 41, and the support pedestal 11 is fixedly connected with the pre-embedded nut 41 through a bolt 12. The mode of fixing through the embedded nut 41 and the bolt 12 is good in stability and quick to install, and field assembly is facilitated.

In one embodiment, as shown in fig. 1, the discharging module is configured as a conveying belt, and the discharging end of the conveying belt is provided with a powder collecting module. The conveyer belt ejection of compact is fast and the continuity is good, receives powder ware module and mainly removes powder and collects screening material, prevents in the middle of too much dust discharges the external environment, protects all ring edge borders and staff's operational environment, reaches the effect of environmental protection, and the dust in the screening material reduces simultaneously, can also improve the quality grade of mechanism sand.

In one embodiment, the powder collector module comprises a material disperser 70 and a transition bin, wherein the material disperser 70 is used for enhancing powder removal, and the transition bin is used for forcibly collecting powder. The material disperser 70 is mainly used for stripping and removing dust attached to the surface of the screened material, and the transition bin is used for collecting the dust.

Specifically, as shown in fig. 3, the material disperser 70 is configured as a plurality of tower-shaped wire brush rollers 71 arranged side by side, and the screened material passes through the wire brush rollers 71 to rotate the wire brush rollers 71. The tower-shaped parallel steel wire brush roller 71 rotates when the screened materials pass through, and the steel wire brushes on the surface of the roller can brush out dust adhered to the surface of the screened materials, so that dust can be collected conveniently in a transition bin.

In one embodiment, the inside of the box module 50 is provided with a service corridor and the top of the box module 50 is fitted with a high definition monitoring assembly. The maintenance corridor and high definition monitoring components within the box module 50 may facilitate maintenance by the personnel. Specifically, the box-type module 50 is a steel structure frame assembly composed on site, and has a modularized wall plate and a door and window with high sealing performance, and the high-definition monitoring assembly comprises an outer protective glass cover, self-heating drying outer protective glass and a glass spraying cleaning device, so that the high-definition monitoring assembly can be conveniently cleaned and the normal monitoring function of the high-definition monitoring assembly can be kept; the top platform of the box module can be provided with an indoor air purification dust collector 51, and the air purification dust collector 51 can adopt a small dust collector with the ventilation volume of about 1000.

In one embodiment, as shown in fig. 1, tires 13 are mounted below the rack modules 10 to facilitate movement of the rack modules 10. When the intelligent environment-friendly box type mobile crushing station 1 needs to be moved, the rack module 10 and the prefabricated concrete foundation bearing platform module 40 are firstly separated, the movement of the rack module 10 can be realized through the tire 13 at the bottom, the movement is convenient, the field transition is convenient, and when the production needs to be in place, the support column feet 11 of the rack module 10 are only required to be grounded and connected and fixed with the prefabricated concrete bearing platform module 40.

In one embodiment, the generator module is a separately provided integrated tank module. When the generator module is independently set to be an integrated box module, the local space of a host integrated box is not occupied, a crushing equipment system with larger capacity can be assembled, the production capacity of a crushing station is larger, the requirements on production efficiency and environmental protection of large-scale mines are met, the investment is reduced, and benefit return is obtained as soon as possible; especially, the method can quickly digest the mining amount of the former raw ore under the condition that the former mining of the raw ore on the quarry road and the ramp of the mine is needed in the early mining stage of the new mine, thereby achieving the effects of environmental protection and economy; meanwhile, the generator can be rented, so that the equipment investment is reduced, and the cost is reduced.

In one embodiment, as shown in fig. 1, the discharging module is configured as a conveyor belt, and the discharging end of the conveyor belt is connected with a tire type mobile belt conveyor. The tire type movable belt conveyor can be connected to the discharge end of the discharge module of each movable crushing station according to the size of a field, so that finished products can be conveniently conveyed to a far position to be stacked and stored, the storage capacity of the finished products is increased, quick delivery is facilitated, and the delivery efficiency is improved.

In a specific embodiment, the intelligent environment-friendly box type mobile crushing station also comprises an intelligent operation control system, and the intelligent operation control system has the functions of detecting the current overload (light load) of a host computer, automatically adjusting the belt deviation and early warning the blockage of a material inlet and a material outlet of the crusher in real time; the intelligent operation control system also has the functions of indoor human body infrared induction early warning and locking the machine to prohibit the equipment from starting of the box-type module, so that safety accidents caused by the fact that workers do not come out of the intelligent operation control system are prevented. The staff can carry out each item operation and real-time control to the box broken station of removal of intelligence environmental protection through this intelligence operation control system, and intelligence operation control system combines together with box module for the staff is intelligent, systematized more to the operation at the box broken station of removal of intelligence environmental protection, also makes staff's operational environment safer.

In a second aspect, the present invention further provides a construction method of the intelligent environment-friendly box type mobile crushing station 1, as shown in fig. 2, including:

s1), arranging the precast concrete foundation bearing platform module 40 with a corresponding frame, digging a foundation pit 60 with the same size as the prefabricated concrete foundation bearing platform module 40 on the ground when the precast concrete foundation bearing platform module 40 is installed, placing the prefabricated concrete foundation bearing platform module 40 in the foundation pit 60, and fixedly connecting the frame module 10 with the prefabricated concrete foundation bearing platform module 40;

s2) filling the periphery of the fabricated precast concrete foundation cap module 40 with the lime expansive soil 61 and watering to expand the lime expansive soil 61.

During on-site construction, a foundation pit 60 can be directly dug on the ground, the prefabricated concrete foundation bearing platform module 40 is arranged in the foundation pit 60, the frame module 10 is fixedly connected with the prefabricated concrete foundation bearing platform module 40, other modules perform normal assembly work, the fixing strength of the prefabricated concrete foundation bearing platform module 40 and the foundation pit 60 is guaranteed through lime expansive soil 61, the whole construction process is convenient and rapid, and the intelligent environment-friendly box type mobile crushing station 1 can be conveniently moved.

By using the intelligent environment-friendly box-type mobile crushing station 1, an aggregate processing plant does not need to be built outside a mine, and the process of building the plant is complex, the environmental evaluation requirement is high, and the project investment is large; the intelligent environment-friendly box-type mobile crushing station 1 can be invested in nearby mining areas, and can take effect quickly; especially, the intelligent environment-friendly box type mobile crushing station 1 can be immediately assembled on a building demolition site for sale nearby, so that the transfer time and cost of raw materials and finished products are reduced, and the intelligent environment-friendly box type mobile crushing station is environment-friendly, economical and efficient.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. An intelligent environment-friendly box-type mobile crushing station is characterized by comprising a box-type module, a rack module, a feeding module, a vibrating feeder module, a crusher module, a screening module, a discharging module, a powder collecting module, a finished product bin module, a central control room module, a generator module, a dust remover module and an assembly type precast concrete foundation bearing platform module;

the crusher module is used for receiving and crushing materials to be crushed; the screening module is used for receiving the materials crushed by the crusher module and screening the crushed materials into screening materials with set screening sizes; the frame module can with assembled precast concrete basis cushion cap module fixed connection, the box mobile crushing station of intelligence environmental protection includes the frame module with assembled precast concrete basis cushion cap module fixed connection's fixed state and the frame module with the removal state of assembled precast concrete basis cushion cap module separation.

2. The intelligent environment-friendly box-type mobile crushing station as claimed in claim 1, wherein the rack module is provided with a support pedestal, the prefabricated concrete foundation bearing platform module is provided with a pre-embedded nut, and the support pedestal is fixedly connected with the pre-embedded nut through a bolt.

3. The intelligent environment-friendly box-type mobile crushing station as claimed in claim 1, wherein the discharging module is arranged as a conveyer belt, and a powder collector module is arranged at the discharging end of the conveyer belt.

4. The intelligent environment-friendly box-type mobile crushing station as claimed in claim 3, wherein the powder collector module comprises a material disperser and a transition bin, the material disperser is used for enhancing powder removal, and the transition bin is used for forcibly collecting powder.

5. The intelligent environmentally friendly box type mobile crushing station of claim 4 wherein the material disperser is provided as a plurality of tower shaped side by side wire brush rollers, the screened material passing through the wire brush rollers causing the wire brush rollers to rotate.

6. The intelligent environmentally friendly box type mobile crushing station of claim 1, wherein the inside of the box type module is provided with an inspection corridor, and the top of the box type module is provided with a high-definition monitoring assembly.

7. The intelligent environmental protection box type mobile crushing station according to claim 1, wherein tires are installed below the rack module to facilitate the movement of the rack module.

8. The intelligent environmental protection box type mobile crushing station according to claim 1, wherein the generator module is a separately provided integrated box module.

9. The intelligent environmental protection box type mobile crushing station according to claim 1, wherein the discharging module is arranged as a conveyer belt, and the discharging end of the conveyer belt is connected with a tire type mobile belt conveyor.

10. The construction method of the intelligent environmental protection box type mobile crushing station as claimed in any one of claims 1 to 9, characterized by comprising the following steps:

s1) arranging the precast concrete foundation bearing platform and the corresponding frame, digging a foundation pit with the same size as the prefabricated precast concrete foundation bearing platform module on the ground when the precast concrete foundation bearing platform is installed, placing the prefabricated precast concrete foundation bearing platform module in the foundation pit, and fixedly connecting the frame module and the prefabricated precast concrete foundation bearing platform module;

s2) filling lime expansive soil around the prefabricated concrete foundation bearing platform module and watering to expand the lime expansive soil.

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