CN213386832U

CN213386832U - Feeding system for immersive ready-mixed commercial concrete production plant

Info

Publication number: CN213386832U
Application number: CN202022426656.3U
Authority: CN
Inventors: 李波; 陈曦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-08
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a feeding system for immersive ready-mixed commodity concrete production plant, including material storehouse, conveying mechanism is provided with the screw conveyer that feeder hopper, top were provided with the discharge gate for the bottom, the discharge end in material storehouse is located the top of feeder hopper feed end, the feeder hopper entry up, the material that comes from material storehouse discharge end and falls is accepted in the entry of feeder hopper. The feeding system can well finish the transmission of aggregates from the aggregate bin to the stirring main machine, and has the characteristics of small occupied area and suitability for underground concrete production plants.

Description

Feeding system for immersive ready-mixed commercial concrete production plant

Technical Field

The utility model relates to a precast concrete equipment technical field especially relates to a feeding system for immersive ready-mixed commodity concrete production plant.

Background

Aggregate storehouse, powder jar, the main mixing machine of traditional concrete mixing plant are the setting on the ground, and the aggregate transports to the mixer through the belt after transporting the material loading mouth through the forklift, and the powder is carried to the main mixing machine from the powder jar through feed screw, and finished product concrete carries out the blanking formula through the main mixing machine discharge opening to the tank car and unloads. This approach has a number of disadvantages and drawbacks, such as: the environmental protection problems such as integral noise, dust and the like are serious; the problem of material scattering is serious and the cleaning is difficult in the production process; the maximum conveying angle of the belt conveyor is 20 degrees, the length of the belt is usually not less than 50 meters, the process flow is long, the occupied area is large, the land utilization rate is low, and the production cost is increased; the belt conveying speed is slow, the production efficiency is low, the production cost is high, and the like.

To solve the above problems, an immersion type mixing plant, namely an underground concrete mixing plant, appears in the prior art, and as the technical scheme provided by the application number of cn201720098658.x, the traditional ground plant station is arranged underground, so that the problems of equipment cost, danger coefficient, dust emission, noise and the like can be effectively solved.

Further optimization of the structural design of the underground plant for commercial concrete production will undoubtedly further promote the development of the concrete production industry.

SUMMERY OF THE UTILITY MODEL

Further optimization to above-mentioned proposition can further promote the problem of concrete production industry's development undoubtedly because the structural design of the underground plant of commercial concrete production, the utility model provides a feeding system for immersive ready-mixed commercial concrete production plant adopts this feeding system can be good accomplishes like the aggregate by the transmission of aggregate storehouse to main mixing machine, has simultaneously that area is little, the characteristics that are applicable to very much the application of underground concrete production plant.

The utility model provides a feeding system for immersive ready-mixed commodity concrete factory station solves the problem through following technical essential for the feeding system of immersive ready-mixed commodity concrete factory station, including material storehouse, conveying mechanism is provided with the screw conveyer that feeder hopper, top were provided with the discharge gate for the bottom, the discharge end of material storehouse is located the top of feeder hopper feed end, the feeder hopper entry up, the entry of feeder hopper is accepted and is come from the material that material storehouse discharge end fell.

This scheme is based on the application of immersive ready-mix commodity concrete production plant, and when concrete installation, material storehouse, conveying mechanism all sink the installation, all install in the foundation ditch of immersive plant promptly. The material storehouse is used for storing the material of waiting to pass, the pan feeding that comes the material storehouse discharge end to drop is accepted to the feeder hopper, and then, the material in the feeder hopper passes through screw conveyer and upwards transmits to export from the discharge gate, if the discharge gate butt joint stirring host computer, can accomplish like the transmission of concrete aggregate to in the stirring host computer.

In the scheme, the material transfer mode between the material bin and the feed hopper is finished in a falling mode, the method is different from the method that a conveyer belt is adopted to finish material transfer of a local path in the prior art, and the excavation depth of a foundation pit is taken into consideration aiming at the foundation pit design of the immersive plant station, so that the method can be well suitable for the characteristic of small occupied area of the immersive plant station; and then accomplish the material transmission between material by feeder hopper to the discharge gate through screw conveyer, based on screw conveyer, because screw conveyer's application receives the slope restriction little, so screw conveyer's application not only can guarantee material transfer efficiency more than, has the characteristics that can further reduce system area simultaneously. In this scheme simultaneously, the feeder hopper can get into the container of keeping in before the screw conveyer as the material, to if the application based on material ration transmission, in screw conveyer continuous operation process, realization material ration transmission that can be convenient, if: the feeder hopper adds a material and accomplishes a weight measurement, through the continuous monitoring to material weight in the feeder hopper, when material wherein is about to export and finishes, further to wherein adding the material that can acquire the weight value through the material storehouse promptly. Therefore, the problem of the working efficiency of the screw conveyor is solved, and materials with different components can be mixed in an accurate proportion in the concrete production process.

The further technical scheme is as follows:

in order to realize that the system realizes the accurate control of the material proportion when being applied to the feeding of a stirring host machine, the system is set as follows: the weight metering device is arranged at any position as follows: a material bin; between the material bin and the feed hopper; part of the material bin is positioned on the material bin, and part of the material bin is positioned on the feed hopper;

the weight metering device is used for controlling the weight of the material output from the material bin to the feed hopper. In this embodiment, the weight measuring device is set in any one of the following conditions: a material bin; between the material bin and the feed hopper; the part is located on the material bin, the part is located on the feed hopper and is used as the application in the material bin, the design including the discharge valve and the weighing mechanism can be adopted, and the opening and closing control of the discharge valve can be realized through the feedback of the weighing mechanism. The specific weighing can adopt the whole weighing of a material bin and a feed hopper, and also can adopt the separated weighing of a weighing space on the material bin. To the application that is located between material storehouse and the feeder hopper, set up middle hopper as the accommodation space of weighing the weight material between material storehouse and feeder hopper, to middle hopper carry out whole weighing can.

As a specific weight metering device setting mode: the weight metering device comprises an unloading valve and a weighing mechanism, the unloading valve is arranged at the discharge end of the material bin, the weighing mechanism is used for weighing the weight of the material in the feeding hopper, and the data output end of the weighing mechanism is connected with the control module data of the driving mechanism of the unloading valve: the driving mechanism control module receives weight data output by the weighing mechanism, and the driving mechanism control module outputs an action control signal to the discharge valve by taking the weight data as a judgment basis. The scheme has the advantages that: be different from the material storehouse, storage space in the middle of the feeder hopper itself provides, from the application angle, the volume of piling up of material in the feeder hopper can obviously be less than the material volume of piling up in the material storehouse, through directly weighing the feeder hopper, when realizing weighing, need not set up like the striker plate isolation material boundary of weighing again on the material storehouse. The weighing precision is considered aiming at the application of the integral weighing of the material bin and the feeding hopper, and the feeding hopper is lighter, so that a more accurate weighing result can be obtained. And considering the continuous discharging of the screw conveyor, the effective charging amount in the charging time period of the feeding hopper can be balanced according to the discharging capacity of the screw conveyor.

In order to make the structural design of the feed hopper and the material bin more suitable for dumping feeding, if aiming at the material bin, the feeding is directly connected with gravity output from the upper part; to the feeder hopper, the pan feeding directly comes from the gravity output of material in the material storehouse, sets up to: the feeder hopper and the material bin are both containers with open upper ends, and the respective upper ends of the feeder hopper and the material bin are both conical structures with large upper ends and small lower ends.

As an arrangement mode which is convenient to install and reliable in support, the spiral conveyor support frame also comprises a steel structure frame for supporting the spiral conveyor, wherein the steel structure frame comprises a plurality of steel structure stand columns and a plurality of conveyor underframe; one end of the conveyor underframe is fixedly connected with the steel structure upright post, and the other end of the conveyor underframe is fixedly connected with the spiral conveyor; each conveyor pan is used to form: at least one steel structure stand can provide the multiple spot for screw conveyer and support. In this scheme, to the foundation ditch design, adopt quantity and steel construction stand quantity matching the base can, and the steel construction frame can become the steel construction basis of screw conveyer slope installation.

More specifically, the following settings are set: the steel structure stand is many and arranges along screw conveyer interval, and the upper end of each steel structure stand all is provided with the conveyer chassis with screw conveyer fixed connection between at least one steel structure stand and the screw conveyer.

Considering that the specific material to be conveyed may cause the screw conveyor in the system to have a higher failure rate than the screw conveyor in other industries, in order to maintain the screw conveyor, the following settings are set: the spiral conveyor comprises a conveyor pipe body and a spiral blade shaft arranged in the conveyor pipe body, and the lower end of the spiral blade shaft forms a rotatable constraint relation relative to the conveyor pipe body through a sliding bearing. In this scheme, the spiral blade axle is taken out, is inserted by screw conveyer's upper end to the adoption, and completion spiral blade axle that can be convenient is for dismantling, the assembly of conveyer body, and specially adapted screw conveyer is based on the formula of sinking installation characteristics of immersive concrete plant.

Considering the sunken installation and application of the screw conveyor, as a technical scheme which can reduce the whole floor area of the system and is convenient for installation and maintenance, the screw conveyor is arranged as follows: the spiral conveyor power component is used for driving the spiral conveyor to rotate, and the power component is arranged at the upper end of the spiral conveyor.

The utility model discloses following beneficial effect has:

The concrete structural design of the scheme can be used as a structural foundation, and the existing relevant position detection technology and the automatic control system are matched, so that the whole intelligent and automatic operation of the immersive ready-mixed commercial concrete production plant station is convenient to realize.

Drawings

Fig. 1 is a schematic structural diagram of a feeding system for an immersive ready-mix commercial concrete production plant according to an embodiment of the present invention.

The reference numbers in the figures are in order: 1. a conveyor undercarriage; 2. a conveyor tube; 3. a sliding bearing; 4. a feed hopper; 5. a helical blade; 6. a bearing; 7. a connecting cylinder; 8. a discharge port; 9. a coupling; 10. a speed reducer; 11. an electric motor; 12. an anti-blocking helical blade; 13. a steel structure column; 14. and (5) a material bin.

Detailed Description

The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.

Example 1:

as shown in fig. 1, a feeding system for immersive ready-mix commodity concrete production plant includes material storehouse 14, conveying mechanism is provided with the screw conveyer of feeder hopper 4, top that the top is provided with discharge gate 8 for the bottom, the discharge end of material storehouse 14 is located the top of the 4 feed end of feeder hopper, the 4 entrances of feeder hopper up, and the material that the 14 discharge end of coming from material storehouse fell is accepted to the entry of feeder hopper 4.

This scheme is based on the application of immersive ready-mix commodity concrete production plant, and when concrete installation, material storehouse 14, conveying mechanism all sink the installation, all install in the foundation ditch of immersive plant promptly. The material storehouse 14 is used for storing the material of waiting to pass, the pan feeding that 14 discharge end of coming from the material storehouse fell is accepted to feeder hopper 4, and then, the material in feeder hopper 4 passes through screw conveyer and upwards transmits to export from discharge gate 8, if discharge gate 8 butt joint stirring host computer, can accomplish if the transmission of concrete aggregate to in the stirring host computer.

In the scheme, the material transfer mode between the material bin 14 and the feed hopper 4 is finished in a falling mode, the method is different from the method that a conveyer belt is adopted to finish material transfer of a local path in the prior art, and the excavation depth of a foundation pit is taken into consideration aiming at the foundation pit design of the immersive plant station, so that the method can be well suitable for the characteristic of small occupied area of the immersive plant station; and then accomplish the material transmission between material by feeder hopper 4 to discharge gate 8 through screw conveyer, based on screw conveyer, because screw conveyer's application receives the slope restriction little, so screw conveyer's application not only can guarantee material transfer efficiency more than, has the characteristics that can further reduce system area simultaneously. In this scheme simultaneously, feeder hopper 4 can get into the container of keeping in before the screw conveyer as the material, to if the application based on material ration transmission, in screw conveyer continuous operation process, realization material ration transmission that can be convenient, if: the feeder hopper 4 adds a material and accomplishes a weight measurement, through the continuous monitoring to material weight in the feeder hopper 4, when the material wherein is about to export and finishes, further adds the material that can acquire the weight value to it through material storehouse 14 promptly. Therefore, the problem of the working efficiency of the screw conveyor is solved, and materials with different components can be mixed in an accurate proportion in the concrete production process.

Example 2:

this example is further defined on the basis of example 1: in order to realize that the system realizes the accurate control of the material proportion when being applied to the feeding of a stirring host machine, the system is set as follows: the weight metering device is arranged at any position as follows: the material bin 14; between the material bin 14 and the feed hopper 4; part of the material bin 14 is positioned on the feeding hopper 4;

the weight metering device is used for controlling the weight of the material output from the material bin 14 into the feed hopper 4. In this embodiment, the weight measuring device is set in any one of the following conditions: the material bin 14; between the material bin 14 and the feed hopper 4; the part is located on the material bin 14, the part is located on the feed hopper 4 and is used as the application in the material bin 14, the design comprising a discharge valve and a weighing mechanism can be adopted, and the opening and closing control of the discharge valve can be realized through the feedback of the weighing mechanism. The specific weighing can adopt the integral weighing of the material bin 14 and the feed hopper 4, and can also adopt the isolated weighing of the weighing space on the material bin 14. To the application that is located between material storehouse 14 and feeder hopper 4, set up middle hopper as the accommodation space of the weight material of being weighed between material storehouse 14 and feeder hopper 4, carry out whole weighing to middle hopper can.

As a specific weight metering device setting mode: the weight metering device comprises an unloading valve and a weighing mechanism, the unloading valve is arranged at the discharging end of the material bin 14, the weighing mechanism is used for weighing the weight of the material in the feeding hopper 4, and the data output end of the weighing mechanism is connected with the control module of the driving mechanism of the unloading valve: the driving mechanism control module receives weight data output by the weighing mechanism, and the driving mechanism control module outputs an action control signal to the discharge valve by taking the weight data as a judgment basis. The scheme has the advantages that: different from the material bin 14, the feed hopper 4 provides an intermediate storage space, and from the application angle, the stacking amount of the materials in the feed hopper 4 can be obviously less than that of the materials in the material bin 14, and the feed hopper 4 is directly weighed, so that the weighing of the materials is realized without arranging a material baffle to isolate a material weighing boundary on the material bin 14. Aiming at the application of the integral weighing of the material bin 14 and the feed hopper 4, the weighing precision is considered, and the feed hopper 4 is lighter, so that a more accurate weighing result can be obtained. Considering the continuous discharge of the screw conveyor, the effective charging amount of the feeding hopper 4 in the charging time period can be balanced according to the discharging capacity of the screw conveyor.

Example 3:

this example is further defined on the basis of example 1: in order to make the structural design of the feed hopper 4 and the material bin 14 more suitable for dumping feeding, if aiming at the material bin 14, the feeding is directly subjected to gravity output from the upper part; to feeder hopper 4, the pan feeding directly comes from the gravity output of material in the material storehouse 14, sets up to: the feed hopper 4 and the material bin 14 are both containers with open upper ends, and the respective upper ends of the feed hopper 4 and the material bin 14 are both conical structures with large upper ends and small lower ends.

Considering that the specific material to be conveyed may cause the screw conveyor in the system to have a higher failure rate than the screw conveyor in other industries, in order to maintain the screw conveyor, the following settings are set: the screw conveyor comprises a conveyor pipe body 2 and a helical blade shaft arranged in the conveyor pipe body 2, and the lower end of the helical blade shaft is in a rotatable constraint relation relative to the conveyor pipe body 2 through a sliding bearing 3. In this scheme, the spiral blade axle is taken out, is inserted by screw conveyer's upper end to the adoption, and completion spiral blade axle that can be convenient is for dismantling, assembling of conveyer body 2, and the specially adapted screw conveyer is based on the formula of sinking installation characteristics of immersive concrete plant.

Example 4:

this example is further defined on the basis of example 1: as an arrangement mode which is convenient to install and reliable in support, the spiral conveyor support frame also comprises a steel structure frame for supporting the spiral conveyor, wherein the steel structure frame comprises a plurality of steel structure upright posts 13 and a plurality of conveyor underframe 1; one end of the conveyor underframe 1 is fixedly connected with the steel structure upright post 13, and the other end of the conveyor underframe 1 is fixedly connected with the spiral conveyor; each conveyor pan 1 is intended to form: at least one steel structural upright 13 can provide multi-point support for the screw conveyor. In this scheme, to the foundation ditch design, adopt quantity and 13 quantity of steel construction stand match the base can, and the steel construction frame can become the steel construction basis of screw conveyer slope installation.

More specifically, the following settings are set: the steel structure stand 13 is many and arranges along screw conveyer interval, and the upper end of each steel structure stand 13 all with screw conveyer fixed connection, has at least to be provided with conveyer chassis 1 between one steel structure stand 13 and the screw conveyer.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.

Claims

1. A feeding system for immersive ready-mix commodity concrete production plant, including material storehouse (14), conveying mechanism, its characterized in that, conveying mechanism is provided with feeder hopper (4), the top for the bottom and is provided with the screw conveyer of discharge gate (8), the discharge end of material storehouse (14) is located the top of feeder hopper (4) feed end, feeder hopper (4) entry up, the entry of feeder hopper (4) is accepted and is come from the material that material storehouse (14) discharge end fell.

2. The feed system for an immersive ready mixed commercial concrete plant according to claim 1, further comprising a weight metering device disposed at any of: a material bin (14); between the material bin (14) and the feed hopper (4); part of the material bin is positioned on the material bin (14), and part of the material bin is positioned on the feed hopper (4);

the weight metering device is used for controlling the weight of the material output from the material bin (14) to the feed hopper (4).

3. The feeding system for the immersive ready-mixed commercial concrete production plant according to claim 2, wherein the weight metering device comprises an unloading valve and a weighing mechanism, the unloading valve is arranged at the discharging end of the material bin (14), the weighing mechanism is used for weighing the weight of the material in the feeding hopper (4), and the data output end of the weighing mechanism is connected with the control module of the driving mechanism of the unloading valve: the driving mechanism control module receives weight data output by the weighing mechanism, and the driving mechanism control module outputs an action control signal to the discharge valve by taking the weight data as a judgment basis.

4. The feeding system for the immersive ready-mixed commercial concrete production plant according to claim 1, wherein the feed hopper (4) and the material bin (14) are both containers with open upper ends, and the upper ends of the feed hopper (4) and the material bin (14) are both conical structures with large upper ends and small lower ends.

5. The feeding system for immersive ready-mix commercial concrete production plant according to claim 1, further comprising a steel structure frame for supporting the screw conveyor, said steel structure frame comprising a plurality of steel structure columns (13) and a plurality of conveyor undercarriages (1); one end of the conveyor underframe (1) is fixedly connected with the steel structure upright post (13), and the other end of the conveyor underframe (1) is fixedly connected with the spiral conveyor; each conveyor chassis (1) is used to form: at least one steel structure upright post (13) can provide multi-point support for the screw conveyer.

6. The feeding system for the immersive ready-mixed commercial concrete production plant according to claim 5, wherein the steel structure columns (13) are arranged at intervals along the screw conveyor, the upper end of each steel structure column (13) is fixedly connected with the screw conveyor, and a conveyor base frame (1) is arranged between at least one steel structure column (13) and the screw conveyor.

7. The feeding system for immersive ready-mix commercial concrete production plant according to claim 1, characterized in that the screw conveyor comprises a conveyor pipe body (2) and a screw blade shaft arranged in the conveyor pipe body (2), the lower end of the screw blade shaft being in rotationally restrained relationship with respect to the conveyor pipe body (2) by means of a slide bearing (3).

8. The feeding system for an immersive ready mixed commercial concrete plant according to any one of claims 1 to 7, further comprising a power member for driving the screw conveyor to rotate, the power member being provided at an upper end of the screw conveyor.