CN116754754B - Detection equipment for detecting raw materials of highway bridge - Google Patents

Abstract

The application relates to detection equipment for detecting raw materials of a highway bridge. The detection equipment comprises a detection driving device, a driving mechanism arranged in a material driving cavity and a first feed inlet communicated with the driving cavity; the separation device comprises a first material driving piece, the first material driving piece comprises a first port and a second port, and the first port is connected with the second outlet; the mixing device comprises a mixing chamber, a second port of the first material driving piece is communicated with the mixing chamber, the second port is used for inputting a second material entering from the first port into the mixing chamber, the mixing chamber is also provided with a liquid inlet, and a second detection device is arranged in the mixing chamber; the control system comprises a driving unit and a detection unit, wherein the driving unit is electrically connected with the detection driving device, the separation device and the mixing device. The method can dynamically monitor the material content of the sand raw material, and improves the stability of the proportion of each material component in the sand.

Description

Detection equipment for detecting raw materials of highway bridge

Technical Field

The application relates to the technical field of material detection, in particular to detection equipment for detecting highway bridge raw materials.

Background

The sand is not only a natural mineral resource, but also one of main materials in the construction engineering, is widely applied to the concrete, and has a high proportion of 75% in the concrete material, and the quality of the sand directly influences the physical property and the compressive strength of the concrete, so that the quality detection work of the sand in the construction engineering is necessary.

In the related art, in the machine-made sandstone production process, the quality of the sandstone is difficult to dynamically monitor according to the production requirements of different concretes, so that the production cost of the sandstone aggregate or the concrete is increased, and the quality fluctuation is larger.

Disclosure of Invention

In order to solve or partially solve the problems in the related art, the application provides the detection equipment for detecting the highway bridge raw materials, which can dynamically monitor the material content of the sand and stone raw materials, and improves the stability of the proportion of each material component in the sand and stone, thereby improving the stability of the concrete quality.

The application provides a detection device for detecting highway bridge raw materials, which comprises:

the detection driving device comprises a material driving cavity, a driving mechanism arranged in the material driving cavity and a first feeding hole communicated with the driving cavity, wherein the first feeding hole is used for inputting raw materials to be driven into the material driving cavity, the driving mechanism is used for driving the raw materials to a preset direction when in operation, the material driving cavity is provided with a first outlet and a second outlet, the first outlet is used for outputting first materials in the raw materials to a collecting device, the bottom of the collecting device is provided with a first detection device, and the first detection device is used for detecting weight information of the first materials;

The separation device comprises a first material driving piece, the first material driving piece comprises a first port and a second port, and the first port is connected with the second outlet;

the mixing device comprises a mixing chamber, a second port of the first material driving piece is communicated with the mixing chamber, the second port is used for inputting the second material entering from the first port into the mixing chamber, the mixing chamber is also provided with a liquid inlet, and the liquid inlet is used for inputting liquid into the mixing chamber; a second detection device is arranged in the mixing chamber and is used for detecting the liquid concentration information in the mixing chamber;

the control system comprises a driving unit and a detection unit, wherein the driving unit is electrically connected with the detection driving device, the separation device and the mixing device and is used for driving the detection driving device, the separation device and the mixing device to operate;

the detection unit is electrically connected with the first detection device and the second detection device, and is used for acquiring weight information detected by the first detection device and concentration information detected by the second detection device, and analyzing proportion information of the first material and the second material in the raw materials according to the concentration information and the weight information.

Further, the material driving chamber is arranged transversely, the material driving chamber is cylindrical, the driving mechanism comprises a first driving piece and a rotating shaft connected with the output end of the first driving piece, the axis of the rotating shaft coincides with the axial center line of the material driving chamber, a spiral piece is fixedly arranged on the rotating shaft, the spiral piece extends spirally along the length direction of the rotating shaft, the outer side of the spiral piece is arranged along the inner wall of the material driving chamber, and the rotating shaft is used for driving the spiral piece to rotate relative to the material driving chamber when rotating; the screw piece is provided with a plurality of driving pieces, and the extending direction of the driving pieces is different from that of the screw piece.

Still further, the first feed inlet is arranged at one axial end of the material driving chamber close to the first driving member, the first outlet and the second outlet are arranged at the other axial end of the material driving chamber far away from the first driving member, the second outlet is formed above the first outlet, the direction of the second outlet is parallel to the axial direction of the material driving chamber, the first outlet is towards the bottom of the material driving chamber, and the direction of the first outlet is perpendicular to the axial direction of the material driving chamber.

Further, the material driving chamber is arranged in a sealing way, a first collecting hopper is arranged at a second outlet of the material driving chamber, and the first collecting hopper is connected with a first port of the first material driving piece through a pipeline;

the second outlet is formed in the side wall of the material driving chamber and is located at the bottom of the material driving chamber, a second collecting hopper is mounted at the second outlet, the second collecting hopper is arranged in the vertical direction, two ends of the second collecting hopper are communicated, an upper end opening of the second collecting hopper is connected with the first outlet, and a lower end outlet is communicated with the collecting device.

Further, a driving blade is arranged in the mixing device and is in transmission connection with a second driving piece, and the second driving piece is used for driving the driving blade to rotate so as to mix the second material in the mixing device with the input liquid;

the liquid inlet is connected with a liquid inlet pipeline, the liquid inlet pipeline is provided with an electronic valve, the electronic valve is electrically connected with the control system, and when the control system controls the first material driving piece to stop, the electronic valve is controlled to be opened; the mixing device is internally provided with a liquid level meter electrically connected with the control system, the liquid level meter is used for detecting liquid level information of liquid in the mixing device, and the control system is also used for controlling the opening or closing of the electronic valve according to the liquid level information detected by the liquid level meter.

Further, a second feeding hole is further formed in one side, close to the first driving piece, of the detection driving device, the second feeding hole is communicated with the storage device, second materials are stored in the storage device, a second material driving piece is further arranged at the second feeding hole, and the second material driving piece is used for guiding the second materials into the material driving cavity;

the control system is also electrically connected with the second material driving piece and is used for controlling the output power change of the first driving piece according to the calculated first proportion information of the first material and the second material; or the control system is used for controlling the second driving piece to be opened or closed according to the calculated second proportion information of the first material and the second material.

Further, the detection driving device comprises a plurality of filter material bodies, wherein the filter material bodies are arranged in an inner-outer overlapping manner, and the filter material bodies have set intervals in the radial direction; the axial direction of the filter material main body close to the inner side coincides with the axial direction of the rotating shaft, and the filter material main body close to the outer side is inclined relative to the rotating shaft;

the screen hole number of a plurality of filter material main bodies is different, the screen hole number of a plurality of filter material main bodies is gradually increased from inside to outside, every filter material main body is kept away from the one end of first driving piece all is equipped with first export, a plurality of the filter material main body the first export is independent mutually, and a plurality of the filter material main body the first export respectively with corresponding storage cavity intercommunication.

Further, the spiral piece is a sheet-shaped spiral piece, the spiral piece is fixedly connected with the rotating shaft in the radial direction through a connecting rod, the spiral piece is provided with a set width, the width direction faces the radial direction of the material driving cavity, or the width of the spiral piece is inclined towards one side of the first driving piece relative to the radial direction of the material driving cavity;

the width of the spiral piece is smaller than the radius of the material driving chamber, the width direction of the spiral piece is along the radial direction of the material driving chamber, the width of the driving piece is along the radial direction of the material driving chamber, and the width of the driving piece is smaller than the pitch of the spiral piece; the radial outer side of the spiral piece is in contact with the inner wall of the material driving chamber, or the gap between the spiral piece and the inner wall of the material driving chamber is smaller than the particle size of the first material.

Further, a second feeding hole is further formed in one side, close to the first driving piece, of the detection driving device, the material driving cavity is further connected with material supply equipment through the second feeding hole, a second port of the separation device is further connected with a storage device, and a material level detection device electrically connected with the detection unit is arranged in the storage device;

The control system is also used for controlling the frequency of the material supply equipment to be increased by the driving unit when the material level of the second material in the material storage device is lower than a set threshold value so as to increase the content of the second material in the raw material; simultaneously driving the first material driving piece to output the second material sucked from the material driving cavity to the material storage device; when the material level of the second material in the material storage device reaches a set height, the driving unit controls the frequency or the rotating speed of the material supply equipment to be reduced.

Further, the control system is further configured to control the first material driving member to be started if the first material driving member is in a closed state when the second material content in the material driving chamber is lower than a set first threshold value; if the first material driving piece is in operation, the output power of the first material driving piece is controlled to be increased so as to improve the sucking quantity of the second material in unit time; and/or the number of the groups of groups,

the control system is further used for controlling the output power of the first material driving piece to be reduced when the content of the second material in the material driving cavity is lower than a set second threshold value so as to reduce the sucking amount of the second material in the material driving cavity in unit time; and if the first material mechanism stops running and the detected content of the second material in the current raw material is lower than the second threshold value, controlling the second material driving mechanism to run so as to input the second material in the material storage device into the material driving chamber.

The technical scheme provided by the application can comprise the following beneficial effects:

according to the scheme provided by the application, the detection unit of the control system can analyze the proportion information of the first material and the second material in the raw materials according to the acquired concentration information and weight information, so that the on-line real-time monitoring of the content of the sand second material can be realized. In the machine-made sand production process, the quality of sand can be dynamically monitored, the stability of the proportion of each material component in the sand is improved, and the stability of the concrete quality is further improved.

According to the scheme provided by the application, the spiral piece is in contact with the inner wall of the material driving chamber, or the gap between the spiral piece and the inner wall of the material driving chamber is smaller than the particle size of the first material, so that the first material with larger weight is pushed by the spiral piece to move away from the first driving piece along with the movement of the spiral piece on one hand, and is driven by the driving piece to roll in the material driving chamber in a spiral movement track on the other hand, the first material and the second material can be continuously separated, and continuous output of the first material and the second material is easy to realize.

According to the scheme provided by the application, the jacking driving piece is electrically connected with the control system, the control system can control the periodical operation of the jacking driving piece, the first materials collected in the hopper can be periodically input into the collecting device, the operation period of the jacking driving piece can be the same as that of the first material driving piece, and the content of the first materials and the second materials of the same batch of raw materials can be detected.

According to the scheme provided by the application, through bidirectional intelligent and accurate control of different material contents in raw materials, in the production process of the sand aggregate, the material contents in the sand aggregate are controlled in a bidirectional manner, the content deviation of the first material and the second material is controlled within the range meeting the standard, the quality stability of the finished sand aggregate is improved, the use amount of gel materials in the concrete production process is reduced, the concrete waste generation probability caused by large fluctuation of the first material or the second material content in the finished sand aggregate is reduced, and the quality stability of a concrete finished product is improved. The content of the second material in the storage device can be adjusted by controlling the power of the material supply equipment or the frequency of the first material driving device through the PLC, so that the utilization rate of the sand and stone production raw materials is improved, and the redundant second material can be recycled to the storage device through the discharging pipeline; according to the concrete production needs, the content ranges of different materials in the finished sand aggregate are controlled through the PLC, so that the finished sand aggregate in the required material content range can be automatically produced, the periodic on-line detection of the material content is realized, the dynamic allocation of the different material contents can be realized, the automation degree is high, and the practicability is strong.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

FIG. 1 is a schematic diagram showing a construction of a detecting apparatus for detecting raw materials of a highway bridge according to an embodiment of the present application;

FIG. 2 is a first partial schematic view of a detecting apparatus for detecting raw materials of a highway bridge according to the embodiment shown in FIG. 1;

FIG. 3 is a second partial schematic view of a detecting apparatus for detecting raw materials of a highway bridge according to the embodiment of FIG. 1;

fig. 4 is a schematic diagram showing the operation principle of a detecting device for detecting raw materials of a highway bridge according to an embodiment of the present application.

Reference numerals: 100. a material driving device; 101. a first outlet; 102. a second outlet; 103. a second feed inlet; 104. a first feed port; 110. a screw; 120. a driving plate; 130. a rotating shaft; 140. a first filter material body; 150. a second filter material body; 151. an inclined plane; 160. a material driving chamber; 200. a first driving member; 112. a first collection hopper; 311. a second collection hopper; 312. a rotating plate; 313. a jacking member; 314. jacking the driving piece; 3141. lifting the cam; 300. a collecting device; 320. a first detection device; 400. a first material driving member; 410. a discharge pipe; 500. a mixing device; 510. a material inlet; 520. a liquid inlet; 530. a second detection device; 540. a mixing chamber; 600. a second material driving member; 700. a storage device; 710. a third detection device; 800. a control system; 900. a material supply device.

Detailed Description

Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are illustrated in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

In the related art, in the machine-made sandstone production process, the quality of the sandstone is difficult to dynamically monitor according to the production requirements of different concretes, so that the production cost of the sandstone aggregate or the concrete is increased, and the fluctuation of the quality of the concrete is large. Aiming at the problems, the embodiment of the application provides the detection equipment for detecting the highway bridge raw materials, which can dynamically monitor the material content of the sand and stone raw materials, and improves the stability of the proportion of each material component in the sand and stone, thereby improving the stability of the concrete quality.

The following describes the technical scheme of the embodiment of the present application in detail with reference to the accompanying drawings.

Referring to fig. 1-4, the detection device for detecting the raw materials of the highway bridge provided by the application comprises a detection driving device, wherein the detection driving device comprises a material driving chamber 160, a driving mechanism arranged in the material driving chamber 160 and a first feed inlet 104 communicated with the material driving chamber 160, the first feed inlet 104 is used for inputting raw materials to be driven into the material driving chamber 160, the driving mechanism is used for driving the raw materials towards a preset direction when running, the material driving chamber 160 is provided with a first outlet 101 and a second outlet 102, the first outlet 101 is used for outputting first materials in the raw materials to an aggregation device 300, the bottom of the aggregation device 300 is provided with a first detection device 320 (shown in fig. 2), and the first detection device 320 is used for detecting weight information of the first materials;

A separation device connected to the second outlet 102, the separation device comprising a first material drive 400, the first material drive 400 comprising a first port and a second port, the first port being in communication with the second outlet 102 of the material drive chamber 160 via a discharge conduit 410;

the mixing device 500, the mixing device 500 includes a mixing chamber 540, the second port of the first material driving member 400 is communicated with the material inlet 510 of the mixing chamber 540, the second port is used for inputting the second material separated from the raw material into the mixing chamber 540, the mixing chamber 540 is further provided with a liquid inlet 520, and the liquid inlet 520 is used for inputting liquid into the mixing chamber 540; a second detection device is arranged in the mixing chamber 540 and is used for detecting concentration information of the suspension in the mixing chamber 540;

the control system 800 comprises a driving unit and a detecting unit, wherein the driving unit is electrically connected with the detecting driving device, the separating device and the mixing device 500 and is used for driving the detecting driving device, the separating device and the mixing device 500 to operate;

referring to fig. 4, the detecting unit is electrically connected to the first detecting device 320 and the second detecting device 530, and is configured to obtain weight information detected by the first detecting device 320, and to obtain concentration information detected by the second detecting device 530, and to analyze ratio information of the first material and the second material in the raw material according to the concentration information and the weight information.

The raw material of the application can be a building material for highway bridges, such as a machine-made sand aggregate mixture for producing concrete, the first material can be a sand material with larger particle size in the raw material, and the second material can be a sand material with smaller particle size in the raw material, such as a powdery material. When raw materials are thrown from the first feed inlet 104, the driven mechanism drives the second materials with lighter mass to suspend in the air in different directions in the driving cavity, the second materials with heavier mass are led into the mixing device 500 through the second outlet 102 after being sucked out by the second material driving piece 600 of the separating device, the second materials with heavier mass can be output to the collecting device 300 through the first outlet 101 by detecting the driving of the driving mechanism, the first detecting device 320 can carry out real-time on-line monitoring on the weight of the first materials, and the second detecting device 530 can carry out real-time on-line monitoring on the concentration of the liquid in the mixing device 500.

The detection unit of the control system 800 can analyze the proportion information of the first material and the second material in the raw materials according to the obtained concentration information and weight information, so that the on-line real-time monitoring of the content of the sand second material can be realized. In the machine-made sand production process, the quality of sand can be dynamically monitored, the stability of the proportion of each material component in the sand is improved, and the stability of the concrete quality is further improved.

In this embodiment, the first inlet 104 may be connected to the material supply apparatus 900, and the material supply apparatus 900 may continuously or periodically convey the homogenized sand raw material of a specific weight and a specific volume into the material driving chamber 160 through the material conveying mechanism. After the driving mechanism in the material driving chamber 160 operates for a specific period of time, the electronic valve of the mixing device 500 is controlled to be opened, water with a specific mass is injected into the mixing chamber 540, the water and the second material are fully mixed in the mixing chamber 540, and the second detecting device 530 can detect the concentration of the suspended matters in the mixing chamber 540 on line.

In this embodiment, the first detecting device 320 may be a gravity sensor disposed at the bottom of the storage chamber, and the second detecting device may be a suspended matter concentration sensor, but is not limited thereto.

Referring to fig. 2 and 3, in some embodiments, a discharging mechanism is disposed between the first discharging hole and the aggregate device 300, the discharging mechanism includes a second aggregate bin 311 connected to the first discharging hole, the second aggregate bin 311 is funnel-shaped, an upper end of the second aggregate bin 311 is connected to the first discharging hole, a rotating plate 312 is disposed at a lower end of the second aggregate bin 311, the rotating plate 312 is used for blocking a lower end outlet of the second aggregate bin 311, a bottom of the lower end outlet of the second aggregate bin 311 is the aggregate device 300, a material output by the lower end outlet may fall to the aggregate device 300, in some embodiments, the aggregate device 300 is obliquely disposed, and an opening is disposed at a side of the aggregate device 300 with a lower height, through which the material may be output to a designated position.

One side of the rotating plate 312 is hinged with the inner wall of the second collecting hopper 311, the other side of the rotating plate 312 is propped against the inner wall of the opposite side of the second collecting hopper 311, the bottom of the rotating plate 312 is provided with a jacking piece 313, the jacking piece 313 is used for driving the rotating plate 312 to turn over when moving up and down, and when the turning plate turns over towards the inner side of the second collecting hopper 311, the outlet at the lower end of the second collecting hopper 311 is opened, so that materials in the second collecting hopper 311 can be output from the bottom end of the second collecting hopper 311; when the jacking piece 313 descends, the rotating plate 312 turns over towards the outer side of the second collecting hopper 311 under the action of the gravity of the materials in the second collecting hopper 311, and then the outlet at the lower end of the second collecting hopper 311 is blocked.

In this embodiment, a platform is fixed on the jacking member 313, the collecting device 300 is disposed on the platform, a first detection device 320 is disposed between the collecting device 300 and the platform, and the first detection device 320 can be a gravity sensor, so as to sense gravity information of the collecting device 300.

In this embodiment, a lifting driving member 314 is disposed at the bottom of the lifting member 313, the lifting driving member 314 may be a motor, an output end of the motor is provided with a lifting cam 3141, the lifting member 313 is rod-shaped, and a lower end of the lifting member 313 is supported on the lifting cam 3141, when the lifting cam 3141 rotates, the lifting member 313 can be driven to move up and down, and in the lifting process of the lifting member 313, the collecting device 300 is driven to approach to the lower end outlet of the second collecting hopper 311. In this embodiment, the jacking driving member 314 is electrically connected with the driving unit of the control system 800, the control system 800 can control the jacking driving member 314 to periodically operate, and can periodically input the first material collected in the second collecting hopper 311 to the collecting device 300, and the operation period of the jacking driving member 314 can be the same as that of the first material driving member 400, so as to detect the contents of the first material and the second material of the same batch of raw materials.

With continued reference to fig. 1, in this embodiment, the material driving chamber 160 is disposed along a transverse direction, and the material driving chamber 160 is cylindrical, the driving mechanism includes a first driving member 200 and a rotating shaft 130 connected to an output end of the first driving member 200, an axial center line of the rotating shaft 130 coincides with an axial center line of the material driving chamber 160, a spiral member 110 is fixedly disposed on the rotating shaft 130, the spiral member 110 extends along a length direction of the rotating shaft 130 in a spiral manner, and an outer side of the spiral member 110 is disposed along an inner wall of the material driving chamber 160, and when the rotating shaft 130 rotates, the spiral member 110 is driven to rotate relative to the material driving chamber; the screw member 110 is provided with a plurality of driving plates 120, and the extending direction of the driving plates 120 is different from that of the screw member 110, so that when the screw member 110 and the driving plates 120 rotate, raw materials are driven in different directions.

In this embodiment, the first feeding hole 104 is disposed at one axial end of the material driving chamber 160 near the first driving member 200, and the first driving member 200 is vertically connected to the rotating shaft 130 through a driving shaft and may be disposed above the material driving chamber 160; the first outlet 101 and the second outlet 102 are arranged at the other axial end of the material driving chamber 160 far away from the first driving piece 200, the second outlet 102 is formed above the first outlet 101, the second outlet 102 is parallel to the axial direction of the material driving chamber 160, the first outlet 101 is arranged at the bottom of the material driving chamber 160, and the direction of the first outlet 101 is perpendicular to the axial direction of the material driving chamber 160.

When the first driving member 200 is operated, the rotation shaft 130 can be driven to rotate, and in the process that the rotation shaft 130 drives the screw member 110 to rotate synchronously, the first feeding port 104 is arranged at one side close to the first driving member 200, so that on one hand, raw materials input into the material driving chamber 160 through the first feeding port 104 can be driven to one end far away from the first driving member 200 through the screw motion of the screw member 110 in the axial direction; on the other hand, the raw material in the material driving chamber 160 can be driven to move in the circumferential direction by the circumferential movement of the driving piece 120 on the screw 110, and the raw material in the material driving chamber 160 rolls up and down in the forward movement process, so that the first material with larger mass and the second material with lighter mass are separated, the second material with lighter mass is suspended in the air, the separation device can generate an adsorption force at the second outlet 102, and the adsorption force is smaller than the gravity of the first material and larger than the self gravity of the second material, therefore, the first material can be left at the bottom of the material chamber, and the second material can be sucked out at the second outlet 102.

In addition, since the first material is pushed by the screw 110 in the axial direction at one end of the first driving member 200 to the other end far from the first driving member 200, and the first outlet 101 is disposed at the bottom of the end far from the first driving member 200, the material pushed to the bottom of the end far from the first driving member 200 can be output from the first outlet 101 to the second collecting hopper 311 under the action of gravity.

In this embodiment, the screw member 110 is provided with a plurality of driving plates 120, and the extending direction of the driving plates 120 is different from the extending direction of the screw member 110. The screw member 110 is in a sheet shape, the screw member 110 is fixedly connected with the rotating shaft 130 in the radial direction through a connecting rod, the screw member 110 has a set width, the width direction faces the radial direction of the material driving chamber 160, or is inclined relative to the radial direction of the material driving chamber 160 beyond the first driving member 200 side, the width of the screw member 110 is smaller than the radius of the material driving chamber 160, for example, the width direction of the screw member 110 is along the radial direction of the material driving chamber 160, the width of the driving piece 120 is smaller than the pitch of the screw member 110, and the driving piece 120 can generate circumferential movement around the rotating shaft 130 along with the movement of the screw member 110.

In this embodiment, the screw 110 contacts with the inner wall of the material driving chamber 160, or the gap between the screw 110 and the inner wall of the material driving chamber 160 is smaller than the particle size of the first material, so that the first material with larger weight is pushed by the screw 110 to move away from the first driving member 200 along with the movement of the screw 110, and is driven by the driving plate 120 to roll in the material driving chamber 160 in a spiral movement track, so that not only can the continuous separation of the first material and the second material be realized, but also the continuous output of the first material and the second material can be easily realized.

In this embodiment, the first driving member may be a motor, in the rotation process of the screw member, the output power of the first driving member may be calculated according to the ratio of the motion acceleration and the gravity acceleration of the second material, and the ratio Fr of the motion acceleration and the gravity acceleration of the second material may be calculated according to the following formula:

in the above formula, R is the distance of the maximum position of the second material moving in the radial direction in the material driving chamber (may also be the diameter of the screw), ω is the rotational angular velocity of the screw, g is the gravitational acceleration, n is the rotational velocity of the current screw, and m is the mass of the second material calculated from the concentration information of the second material.

In this embodiment, the particle size of the second material is 0.15-0.85mm, the particle size of the first material is 2.35-5mm, the diameter of the screw is less than or equal to 0.475m, when the material is in a separated state, the rotating speed of the screw is greater than or equal to 1700rpm, the rotating angular speed of the screw 110 is greater than or equal to 178.02 radian/s, after the arrangement, when the screw 110 rotates, the first material is ensured to be always in contact with the inner wall of the material driving chamber, the second material is in a suspended state, and when the first material driving member operates, the separation of the second material and the first material can be more sufficient.

In this embodiment, the material driving chamber 160 is disposed in a sealed manner, the second outlet 102 of the material driving chamber 160 is provided with the first collecting hopper 112, and the first collecting hopper 112 is connected to the first port of the first material driving member 400 through the discharging pipeline 410; the second outlet 102 is formed in the side wall of the material driving chamber 160 and is located at the bottom of the material driving chamber 160, the second collecting hopper 311 is mounted at the second outlet 102, the second collecting hopper 311 is arranged in the vertical direction, two ends of the second collecting hopper 311 are communicated, an upper end opening of the second collecting hopper 311 is connected with the first outlet 101, and a lower end outlet is communicated with the collecting device. After such setting, can keep the airtight of material drive cavity 160, can avoid first material and second material to produce and reveal, and then can promote detection accuracy.

In this embodiment, the second outlet 102 is communicated with the mixing chamber 540 through the discharge pipe 410, the first material driving member 400 can generate negative pressure in the discharge pipe 410, so that the material at the second outlet 102 is conveyed to the mixing chamber 540 through the discharge pipe 410, in some embodiments, the first material driving member 400 may include a motor and a rotating blade connected to an output end of the motor, and when the rotating blade rotates, the negative pressure can be generated in the discharge pipe 410.

In this embodiment, a driving blade (not shown) is disposed in the mixing device 500, and is in transmission connection with a second driving member (not shown), where the second driving member is used to drive the driving blade to rotate, so as to sufficiently stir the liquid and the second material, so that the second material in the mixing device 500 is mixed with the input liquid; wherein, the liquid inlet 520 is connected with a liquid inlet pipeline, the liquid inlet pipeline is provided with an electronic valve, the electronic valve is electrically connected with the control system 800, and when the control system 800 controls the first material driving piece 400 to stop, the electronic valve is controlled to be opened; the mixing device 500 is also provided with a liquid level meter electrically connected with the control system 800, the liquid level meter is used for detecting liquid level information of liquid in the mixing device 500, and the control system 800 is also used for controlling the opening or closing of the electronic valve according to the liquid level information detected by the liquid level meter.

Referring to fig. 1 and 4, in this embodiment, the driving unit of the control system 800 can control the first material driving member 400 to be periodically opened or closed, when the control system 800 controls the first material driving member 400 to be closed, the second material is stopped to be input into the mixing chamber 540, meanwhile, the control system 800 controls the electronic valve to be opened, so that the liquid is injected into the mixing device 500 through the liquid inlet 520, the electronic valve is controlled to be closed after the liquid level meter detects that the liquid level in the mixing chamber 540 reaches a set value, then the second driving member is controlled to operate, and the second driving member drives the driving blade to rotate, so that the second material and the liquid in the mixing chamber 540 are fully and uniformly stirred, after a specific stirring period, the control system 800 controls the second driving member to stop operating, and the second detection device 530 can detect the concentration of the suspended solid of the current liquid mixture.

In some embodiments, the detection driving device comprises a multi-layer filter material mechanism, wherein the multi-layer filter material mechanism comprises a plurality of filter material bodies, the filter material bodies are arranged in an inner-outer superposition manner, and the filter material bodies have set intervals at least in the bottom along the radial direction; wherein, the axial direction of the filter material body close to the inner side coincides with the axial direction of the rotating shaft 130, the filter material body close to the outer side is inclined relative to the rotating shaft 130, and one end of the filter material body close to the outer side, which is close to the first driving piece 200, is higher than one end far from the first driving piece 200; the screen hole number of a plurality of filter material main bodies is different, and the screen hole number of a plurality of filter material main bodies is from inside to outside increase gradually, and every filter material main body all is equipped with first export 101 in the one end that keeps away from first driving piece 200, and the first export 101 of a plurality of filter material main bodies are mutually independent, and the first export 101 of a plurality of filter material main bodies communicates with corresponding storage cavity respectively.

After the arrangement, the multi-layer filter material mechanism can separate the first materials with different particle sizes, so that the proportion of the first materials with different particle sizes in raw materials is calculated.

In this embodiment, aggregate devices and first detection devices 320 are disposed corresponding to the plurality of filter material bodies, since the mesh numbers of the plurality of filter material bodies are gradually increased from inside to outside, the material with larger particle size can stay to the filter material body on the inner side and be led into the corresponding aggregate device through the first outlet 101 corresponding to the filter material body on the inner side, the first material with smaller particle size can enter the filter material body on the outer side through the filter material body on the inner side, and the second material penetrating the filter material body on the inner side can slide along the inclined inner surface due to the inclination of the filter material body on the outer side, so as to realize dynamic filtration and collection of the second material.

With continued reference to fig. 1, in some embodiments, the plurality of filter media bodies of the present embodiment includes a first filter media body 140 and a second filter media body 150, where the first filter media body 140 has a specific number of screening holes, the second filter media body 150 is disposed obliquely with respect to the first filter media body 140, the second filter media body is provided with an inclined surface 151, the material falling onto the second filter media body may be guided to the aggregate device 300 through the inclined surface 151, the second filter media body 150 has a set distance from the first filter media body 140 at least at the bottom, the second filter media body 150 may not have screening holes, and the second filter media body 150 collects and guides the second material filtered by the first filter media body 140 to the corresponding aggregate device 300.

In some embodiments, a second feeding hole 103 is further formed on one side of the detection driving device, close to the first driving piece 200, the second feeding hole 103 is communicated with the storage device 700, a second material is stored in the storage device 700, a second material driving piece 600 is further arranged at the second feeding hole 103, and the second material driving piece 600 is used for guiding the second material into the material driving chamber 160; the control system 800 is further electrically connected to the second material driving element 600, and the control system 800 is configured to control the output power variation of the first driving element 200 according to the calculated first ratio information of the first material and the second material; alternatively, the control system 800 is configured to control the second driving member to be turned on or off according to the calculated second ratio information of the first material and the second material.

After this setting, when the ratio of the first material to the second material of the raw material does not meet the requirement, the dynamic blending of the first material and the second material can be achieved, for example, when the detection unit of the control system 800 determines that the content of the second material is low according to the reference standard set by the system, the first material driving member 400 can be controlled to be closed, or the power of the first material driving member 400 is controlled to be reduced, so that the negative pressure generated at the second outlet 102 cannot overcome the gravity of the second material, that is, the second material cannot be sucked out, and the second material driving member 600 is controlled to be opened, a specific amount of the second material or the second material in the storage device 700 and the raw material are synchronously input into the material driving chamber 160 through the second material driving member 600, and at the same time, the spiral member 110 in the material driving chamber 160 can be controlled to stop rotating, and the second material driving mechanism is controlled to be opened again after the input is completed, and the material ratio of the added second material is verified, so that the required amount of the second material or the used amount is calculated, and the data reference for the blending of the raw material and the sand quality can be further improved.

In the related art, if the proportion of materials with smaller particle size (or fineness modulus) in the sand raw material is too large, the bonding of aggregate and cement is not facilitated, and the strength and durability of the concrete are affected; if the materials with smaller particle size exist in loose particles, the water consumption of the concrete can be increased due to the fact that the particles are fine and the surface area is large, the volume is unstable, the materials shrink when being dried and expand when being wet, and the damage effect on the change of the dry volume and the wet volume of the concrete is achieved. Therefore, when the content of the materials with smaller particle size exceeds the standard requirement, adverse effects can be generated on the performances of the concrete, such as strength, dry shrinkage, creep, frost resistance, abrasion resistance and the like.

Compared with the related art, the detection equipment provided by the embodiment can detect the proportion of the first material and the second material in the raw materials on line in real time or periodically, and improves the quality of the sand raw materials.

In this embodiment, the driving unit of the control system 800 may be a PLC (Programmable Logic Controller ).

With continued reference to fig. 4, in this embodiment, the control system 800 controls the first driving member 200 and the first material driving member 400 to operate at different output powers, respectively, so as to achieve different functions. For example, when the first driving part 200 and the first material driving part 400 are operated at a lower output power or the second material driving part 600 is turned off, the material driving device 100 mainly plays a role of stirring for further mixing the inputted raw materials, and when the first driving part 200 and the first material driving part 400 are controlled to be operated at a higher output power, respectively, separation of the first material and the second material is achieved. When the mixing function is employed, i.e., when the first driver 200 and the first material driver 400 are operated at a lower output power or the second material driver 600 is closed, the first filter body 140 is not provided with mesh holes and the second filter body 150 is not provided.

When the content of the second material in the raw material is higher, if the first material driving piece 400 is in a closed state, the PLC starts the first material driving piece 400; if the first material driving part 400 is operating, the PLC increases the output power of the first material driving part 400 to increase the amount of the second material sucked into the material driving chamber 160 per unit time, thereby reducing the content of the second material in the outputted raw material.

Alternatively, the control system 800 is further configured to control the first material driver 400 to be started if the first material driver 400 is in the closed state when the second material content in the material driving chamber 160 is lower than a set first threshold; if the first material driving part 400 is in operation, the output power of the first driving part 200 and the first material driving part 400 is controlled to be increased so as to increase the sucking amount of the second material in unit time, thereby reducing the content of the second material in the output raw material.

In this embodiment, the mixing device 500 can set a detection state and a non-detection state, and the second port of the second material driving member 600 is provided with a switching device for isolating the second port from the mixing device 500, communicating the second port with the storage device 700, and conveying the second material output by the second port to the storage device 700. When detection is needed, the switching device switches the second port to be communicated with the mixing device 500.

In some embodiments, the control system 800 is further configured to control the output power of the first material driving part 400 to decrease the amount of the second material sucked in per unit time when the content of the second material in the material driving chamber 160 is lower than the set second threshold; if the first material driving part 400 stops operating and the content of the second material is lower than the second threshold, the second material driving mechanism is controlled to operate so as to input the second material in the material storage device 700 into the material driving chamber 160.

In some embodiments, the second material driving part 600 includes a variable frequency screw feeder and a belt scale connected to the control system 800, the material storage device 700 may be connected to the material driving chamber 160 through the variable frequency screw feeder and the belt scale, and a specific amount of material is input to the material driving chamber 160 through the variable frequency screw feeder and the belt scale, so that after setting, the amount of the second material to be added in a unit time may be adjusted in real time by adjusting the frequency of the variable frequency screw feeder.

In this embodiment, when the scheme of the present application is applied to sand production, in the process of automatically adjusting the proportions of raw materials, the output power of the first driving member 200 and the first material driving member 400 is adjusted, so that the material driving chamber 160 mainly realizes the effect of material mixing, where the main body of the material driving chamber 160 in this embodiment may not be provided with a screen, or when the main body near the inner side is provided with a screen, the main body at the outer side may not be provided with a screen, after the materials with different particle diameters derived from the two main bodies are led into the corresponding material storage device 700, the materials in the material storage device 700 may be led into the material mixing device, and the material mixing device may be used for production after mixing the materials.

In this embodiment, the material driving chamber 160 is further connected to the material supply device 900, the second port of the separating device is further connected to the material storage device 700, the switching device can switch the second port to be communicated with the material storage device 700, a third detecting device 710 connected to a PLC is further disposed in the material storage device 700, the third detecting device 710 may be a material level detecting sensor, when the material level of the second material in the material storage device 700 is low, the PLC controls to increase the frequency of the material supply device 900 so as to increase the spindle rotation speed of the material supply device 900, thereby increasing the content of the second material with smaller particle size in the raw material, and then the redundant second material is pumped and supplemented into the material storage device 700 through the first material driving member 400, and after the material level of the second material in the storage device reaches a certain height, the control system 800 controls the frequency and rotation speed of the material supply device 900 to return to a normal range. After the arrangement, the scheme of the embodiment of the application can be applied to a sand making site, not only can realize dynamic detection of the material proportion, but also can adjust the material proportion in the output raw materials in a dynamic circulation mode.

In this embodiment, the detection unit of the control system 800 compares the material content standard value with the material content variation condition of the raw materials in the production process, and when the deviation value is greater than the design allowable deviation range, the PLC800 transmits parameter adjustment instructions to the first driving member 200, the first material driving member 400, the second material driving member 600 and the material supply device 900, so as to automatically adjust the production parameters, thereby realizing bidirectional intelligent and accurate adjustment of the material content.

According to the scheme provided by the embodiment, through the bidirectional intelligent accurate control of different material contents in raw materials, in the production process of the sand aggregate, the material contents in the sand aggregate are controlled in a bidirectional manner, the content deviation of the first material and the second material is controlled within a range conforming to the standard, the quality stability of the finished sand aggregate is improved, the use amount of gel materials in the concrete production process is reduced, the concrete waste production probability caused by large fluctuation of the content of the first material or the second material in the finished sand aggregate is reduced, and the quality stability of a concrete finished product is improved. The content of the second material in the storage device can be adjusted by controlling the power of the material supply equipment 900 or the frequency of the first material driving device 100 through the PLC, so that the utilization rate of the sand and stone production raw materials is improved, and the excessive second material can be recycled to the storage device 700 through the discharging pipeline 410; according to the concrete production needs, the content ranges of different materials in the finished sand aggregate are controlled through the PLC, so that the finished sand aggregate in the required material content range can be automatically produced, the periodic on-line detection of the material content is realized, the dynamic allocation of the different material contents can be realized, the automation degree is high, and the practicability is strong.

The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A detection apparatus for detecting a raw material of a highway bridge, comprising:

the detection driving device comprises a material driving cavity, a driving mechanism arranged in the material driving cavity and a first feed inlet communicated with the material driving cavity, wherein the first feed inlet is used for inputting raw materials to be driven into the material driving cavity, the driving mechanism is used for driving the raw materials to a preset direction when in operation, the material driving cavity is provided with a first outlet and a second outlet, the first outlet is used for outputting first materials in the raw materials to a collecting device, the bottom of the collecting device is provided with a first detection device, the first detection device is used for detecting weight information of the first materials, and one side of the detection driving device, which is close to the first driving piece, is also provided with a second feed inlet;

The separation device comprises a first material driving piece, the first material driving piece comprises a first port and a second port, and the first port is connected with the second outlet;

a discharging mechanism is arranged between the first outlet and the material collecting device, the discharging mechanism comprises a second collecting hopper connected with the first discharging port, the second collecting hopper is in a funnel shape, the upper end of the second collecting hopper is connected with the first discharging port, a rotating plate is arranged at the lower end of the second collecting hopper and used for blocking the lower end outlet of the second collecting hopper, the bottom of the lower end outlet of the second collecting hopper is a material collecting device, materials output by the lower end outlet can fall to the material collecting device, one side of the rotating plate is hinged with the inner wall of the second collecting hopper, the other side of the rotating plate is propped against the inner wall of the opposite side of the second collecting hopper, a jacking piece is arranged at the bottom of the rotating plate, and when the jacking piece moves up and down, the rotating plate is driven to overturn, and when the overturning plate overturns towards the inner side of the second collecting hopper, the lower end outlet of the second collecting hopper is opened, and materials in the second collecting hopper can be output from the bottom of the second collecting hopper; when the jacking piece descends, the rotating plate overturns towards the outer side of the second collecting hopper under the action of the gravity of the material in the second collecting hopper, so that the outlet of the lower end of the second collecting hopper is plugged, a jacking driving piece is arranged at the bottom of the jacking piece and is a motor, a jacking cam is arranged at the output end of the motor, the jacking piece is rod-shaped, the jacking lower end is supported on the jacking cam, when the jacking cam rotates, the jacking cam can be driven to move up and down, and in the process of lifting the jacking piece, the collecting device is driven to be close to the outlet of the lower end of the second collecting hopper;

The mixing device comprises a mixing chamber, a second port of the first material driving piece is communicated with the mixing chamber, the second port is used for inputting a second material entering from the first port into the mixing chamber, the mixing chamber is also provided with a liquid inlet, and the liquid inlet is used for inputting liquid into the mixing chamber; a second detection device is arranged in the mixing chamber and is used for detecting the liquid concentration information in the mixing chamber;

the control system comprises a driving unit and a detection unit, wherein the driving unit is electrically connected with the detection driving device, the separation device and the mixing device and is used for driving the detection driving device, the separation device and the mixing device to operate;

the detection unit is electrically connected with the first detection device and the second detection device, and is used for acquiring weight information detected by the first detection device and concentration information detected by the second detection device, and analyzing proportion information of the first material and the second material in the raw materials according to the concentration information and the weight information.

2. A detection apparatus for detecting raw materials of highway bridges according to claim 1, wherein:

The material driving chamber is arranged transversely, the material driving chamber is cylindrical, the driving mechanism comprises a first driving piece and a rotating shaft connected with the output end of the first driving piece, the axis of the rotating shaft coincides with the axial center line of the material driving chamber, a spiral piece is fixedly arranged on the rotating shaft, the spiral piece extends spirally along the length direction of the rotating shaft, the outer side of the spiral piece is arranged along the inner wall of the material driving chamber, and the spiral piece is used for driving the spiral piece to rotate relative to the material driving chamber when the rotating shaft rotates; the screw piece is provided with a plurality of driving pieces, and the extending direction of the driving pieces is different from that of the screw piece.

3. A detection apparatus for detecting raw materials of highway bridges according to claim 2, wherein:

the first feeding port is formed in one axial end, close to the first driving piece, of the material driving chamber, the first outlet and the second outlet are formed in the other axial end, far away from the first driving piece, of the material driving chamber, the second outlet is formed above the first outlet, the direction of the second outlet is parallel to the axial direction of the material driving chamber, the first outlet faces the bottom of the material driving chamber, and the direction of the first outlet is perpendicular to the axial direction of the material driving chamber.

4. A detection apparatus for detecting raw materials of highway bridges according to claim 3, wherein:

the material driving chamber is arranged in a sealing way, a first collecting hopper is arranged at a second outlet of the material driving chamber, and the first collecting hopper is connected with a first port of the first material driving piece through a pipeline;

the second outlet is formed in the side wall of the material driving chamber and is located at the bottom of the material driving chamber, a second collecting hopper is mounted at the second outlet, the second collecting hopper is arranged in the vertical direction, two ends of the second collecting hopper are communicated, an upper end opening of the second collecting hopper is connected with the first outlet, and a lower end outlet is communicated with the collecting device.

5. A detection apparatus for detecting raw materials of highway bridges according to claim 3, wherein:

the mixing device is internally provided with a driving blade, the driving blade is in transmission connection with a second driving piece, and the second driving piece is used for driving the driving blade to rotate so as to mix the second material in the mixing device with the input liquid;

the liquid inlet is connected with a liquid inlet pipeline, the liquid inlet pipeline is provided with an electronic valve, the electronic valve is electrically connected with the control system, and when the control system controls the first material driving piece to stop, the electronic valve is controlled to be opened; the mixing device is internally provided with a liquid level meter electrically connected with the control system, the liquid level meter is used for detecting liquid level information of liquid in the mixing device, and the control system is also used for controlling the opening or closing of the electronic valve according to the liquid level information detected by the liquid level meter.

6. A detection apparatus for detecting raw materials of highway bridges according to claim 3, wherein:

the second feeding port is communicated with the storage device, a second material is stored in the storage device, a second material driving piece is further arranged at the second feeding port, and the second material driving piece is used for guiding the second material into the material driving cavity;

the control system is also electrically connected with the second material driving piece and is used for controlling the output power change of the first driving piece according to the calculated proportion information of the first material and the second material; or the control system is used for controlling the second material driving piece to be opened or closed according to the calculated proportion information of the first material and the second material.

7. A detection apparatus for detecting raw materials of highway bridges according to claim 3, wherein:

the detection driving device comprises a plurality of filter material bodies, wherein the filter material bodies are arranged in an inner-outer overlapping manner, and the filter material bodies have set intervals in the radial direction; the axial direction of the filter material main body close to the inner side coincides with the axial direction of the rotating shaft, and the filter material main body close to the outer side is inclined relative to the rotating shaft;

The screen hole number of a plurality of filter material main bodies is different, the screen hole number of a plurality of filter material main bodies is gradually increased from inside to outside, every filter material main body is kept away from the one end of first driving piece all is equipped with first export, a plurality of the filter material main body the first export is independent mutually, and a plurality of the filter material main body the first export respectively with corresponding storage cavity intercommunication.

8. A detection apparatus for detecting raw materials of highway bridges according to claim 3, wherein:

the spiral piece is a sheet-shaped spiral piece, the spiral piece is fixedly connected with the rotating shaft in the radial direction through a connecting rod, the spiral piece is provided with a set width, the width direction faces the radial direction of the material driving cavity, or the width of the spiral piece inclines towards one side of the first driving piece relative to the radial direction of the material driving cavity;

the width of the spiral piece is smaller than the radius of the material driving chamber, the width direction of the spiral piece is along the radial direction of the material driving chamber, the width of the driving piece is along the radial direction of the material driving chamber, and the width of the driving piece is smaller than the pitch of the spiral piece; the radial outer side of the spiral piece is in contact with the inner wall of the material driving chamber, or the gap between the spiral piece and the inner wall of the material driving chamber is smaller than the particle size of the first material.

9. A detection apparatus for detecting raw materials of highway bridges according to claim 1, wherein: the material driving chamber is further connected with a material supply device through the second feeding port, the second port of the separating device is further connected with a material storage device, and a material level detecting device electrically connected with the detecting unit is arranged in the material storage device;

the control system is also used for controlling the frequency of the material supply equipment to be increased by the driving unit when the material level of the second material in the material storage device is lower than a set threshold value so as to increase the content of the second material in the raw material; simultaneously driving the first material driving piece to output the second material sucked from the material driving cavity to the material storage device; when the material level of the second material in the material storage device reaches a set height, the driving unit controls the frequency or the rotating speed of the material supply equipment to be reduced.

10. A detection apparatus for detecting raw materials of highway bridges according to claim 9, wherein:

the control system is further used for controlling the first material driving piece to start if the first material driving piece is in a closed state when the content of the second material in the material driving cavity is lower than a set first threshold value; if the first material driving piece is in operation, the output power of the first material driving piece is controlled to be increased so as to improve the sucking quantity of the second material in unit time; and/or the number of the groups of groups,

The control system is further used for controlling the output power of the first material driving piece to be reduced when the content of the second material in the material driving cavity is lower than a set second threshold value so as to reduce the sucking amount of the second material in the material driving cavity in unit time; and if the first material mechanism stops running and the detected content of the second material in the current raw material is lower than the second threshold value, controlling the second material driving mechanism to run so as to input the second material in the material storage device into the material driving chamber.