CN221550364U - Full-automatic measuring instrument for engineering aggregate mud content - Google Patents

Abstract

The utility model discloses a full-automatic measuring instrument for the mud content of engineering aggregate, which belongs to the technical field of highway engineering and machinery and comprises a box body, wherein a stirring pot, a filtering component and a water collecting disc are sequentially arranged in the box body from top to bottom, a stirring host is arranged on the box body through a lifting column, the stirring host is positioned above the stirring pot and is provided with stirring blades for stirring the stirring pot, a weighing bracket and a power bracket which are respectively and rotatably connected with trunnions on two sides of the stirring pot are arranged on the box body, an automatic drain valve is arranged at the bottom of the stirring pot, the filtering component is connected with sleeves sleeved on trunnions on two sides of the stirring pot through U-shaped connecting rods, the water collecting disc is positioned on the inner bottom of the box body, and a water inlet pipe connected with the stirring pot and a drain pipe connected with the water collecting disc are also arranged on the box body. The utility model has simple operation and convenient maintenance, can realize the full-automatic measurement of the aggregate mud content, reduces the influence of manual operation and human factors, and improves the accuracy and efficiency of measurement.

Description

Full-automatic measuring instrument for engineering aggregate mud content

Technical Field

The utility model belongs to the technical field of highway engineering and machinery, and provides a full-automatic measuring instrument for the mud content of engineering aggregates.

Background

The pavement structure formed by the cement stabilized macadam base layer and the asphalt mixture surface layer is a semi-rigid pavement structure which is most widely applied at present, a large amount of coarse and fine aggregates can be consumed, the rock resources for producing the aggregates are mostly the rocks generated during roadbed and tunnel excavation, and the aggregates are easy to mix into the argillite such as the hillside stones, the mudstones, the clay rocks and the like during the crushing process. The excessive mud content of the aggregate can influence the grading of the aggregate, so that the water stability structure is loose, and the cementing effect of cement hydration products and broken stone can be influenced by the mud layer attached to the surface of the broken stone, so that the water stability compression resistance is weakened. Too large a mud content of coarse aggregate can also cause poor adhesion of asphalt to the aggregate, which has a great impact on stability and durability. The detection and control of aggregate mud content is therefore particularly important.

The detection of the mud content in the existing highway engineering is carried out according to JTG E42-2005 'highway engineering aggregate test procedure', and a method of manually washing for many times and pouring out turbid liquid to a square hole sieve for filtering is required, so that time and labor are wasted, and the mud content result is inaccurate due to the reasons of particle loss, washing uncleanness and the like caused by environmental factors, test instrument problems, personnel factors and the like.

Most of the prior art is automatic panning, manual drying, manual aggregate weighing, manual data recording and calculation and the like are still needed, and the test result is still possibly influenced by the problems of particle loss and the like in the process of switching containers and the like, so that the problem can not be essentially solved; most of the materials are placed in the multi-layer filter assembly for flushing, when the quality of the sample is too large, the filter assembly is easily damaged, and cleaning and maintenance are inconvenient after the test.

Disclosure of utility model

Therefore, the utility model aims to provide a full-automatic measuring instrument for the mud content of engineering aggregate, which is simple to operate and convenient to maintain, and aims to solve the problems that the measurement of the mud content of aggregate is time-consuming and labor-consuming and the measuring result is different from person to person.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a full-automatic measuring instrument for the mud content of engineering aggregate, which comprises a box body, wherein a stirring pot, a filtering component and a water collecting disc are sequentially arranged in the box body from top to bottom, a stirring host is arranged on the box body through a lifting column, the stirring host is positioned above the stirring pot and is provided with stirring blades for stirring the stirring pot, a weighing bracket and a power bracket which are respectively and rotatably connected with trunnions on two sides of the stirring pot are arranged on the box body, an automatic drain valve is arranged at the bottom of the stirring pot, the filtering component is connected with sleeves sleeved on trunnions on two sides of the stirring pot through a U-shaped connecting rod, the water collecting disc is positioned on the inner bottom of the box body, and a water inlet pipe connected with the stirring pot and a drain pipe connected with the water collecting disc are also arranged on the box body. By adopting the scheme, the full-automatic measuring instrument for the mud content of the engineering aggregate can realize automatic soaking, panning, stirring, filtering and collecting of the aggregate, reduce the influence of manual operation and human factors, and improve the measuring accuracy and efficiency. Meanwhile, the instrument has compact structure, simple operation and convenient maintenance and cleaning.

Optionally, the filtering component is composed of a coarse screen cylinder, a fine screen cylinder and a screen bottom support, the U-shaped connecting rod is arranged on the screen bottom support in a penetrating way, the screen bottom support is used for supporting and fixing the screen cylinder, the position of the screen bottom support is ensured to be stable, the fine screen cylinder is placed on the screen bottom support, and the coarse screen cylinder is stacked on the fine screen cylinder; the pore diameter of the coarse filter screen cylinder is 4.75mm or 2.36mm and is used for filtering the mud particles with larger particles, and the pore diameter of the fine filter screen cylinder is 0.075mm and is used for filtering the mud particles with smaller particles. Through the structure, the filter assembly can realize the functions of coarse filtration and fine filtration on the muddy particles in the aggregate sample, so that the muddy particles in different particle size ranges can be separated. Thus, the mud content of the aggregate can be measured more accurately, and the accuracy of the measurement result is ensured.

Optionally, be equipped with the annular spray pipe that links to each other with the inlet tube on mixing the uncovered of pot for evenly spray water to the sample that gathers materials in mixing the pot on, and the inlet tube adopts soft body, has the pliability, easy to assemble and remove. Through the design, water can be uniformly sprayed on the aggregate sample in the mixing pot so as to be mixed and stirred. The use of the soft pipe body also enables the water inlet pipe to have better flexibility and is convenient to adjust and move in the operation process.

Optionally, an opening and closing box door is arranged on the box body. The opening and closing functions can be realized by connecting the box body with the hinge or other connecting modes. The box body of the instrument can be conveniently opened and closed through the design of the box door, so that the operations of loading, maintaining, cleaning and the like of samples can be conveniently performed. The opening and closing function of the box door can also provide more convenient access and operation modes, and the usability and the use convenience of the instrument are improved.

Alternatively, two U-shaped connecting rods are arranged side by side. Through two U-shaped connecting rods that set up side by side, can ensure firm in connection and the stability of filter screen collet. Thus, the screen cylinder can be effectively supported and fixed, and the stability and reliability of the filter assembly are ensured.

Optionally, the box is further provided with a controller with an operation panel, the operation panel is used for setting and controlling various operation parameters and functions of the instrument, the operation panel can comprise keys, a knob, a display screen and the like, a user can conveniently operate and observe measurement results, the controller is electrically connected with the lifting column, the stirring host, the automatic drain valve, the weighing support and the power support respectively, and the controller is connected to the rear of the operation panel and is used for receiving and processing instructions from the operation panel so as to control the running and working states of the lifting column, the stirring host, the automatic drain valve, the weighing support and the power support. Through the design of the controller, the electric control of each part of the instrument can be realized, including the lifting of the lifting column, the starting and stopping and speed regulation of the stirring main machine, the switching of the automatic drain valve, the electric control of the weighing bracket and the power bracket, and the like. Therefore, the full-automatic operation and measurement process can be realized, and the accuracy and convenience of operation are improved.

Optionally, an optical sensor electrically connected with the controller is arranged on the mixing pot. The optical sensor is used to detect a specific parameter or state during the mixing process, e.g. the optical sensor may be used to monitor the colour, level, etc. of the mix. Through the design of the optical sensor, key parameters in the mixing process can be monitored in real time, so that the accurate control and adjustment of the mixing process are realized. The signals obtained by the sensor can be transmitted to the controller, and analyzed and processed through the algorithm of the controller so as to realize automatic control and optimize the mixing process.

Optionally, a heating pipe and a temperature sensor are arranged in the box body and between the mixing pot and the filtering component, and the heating pipe and the temperature sensor are electrically connected with the controller. The heating pipe is used for providing a heating function, can be an electric heating pipe or other type of heating element, and is connected with the controller through an electric connection so as to receive a heating instruction sent by the controller. The temperature sensor is used for monitoring the temperature in real time, can be a thermistor, a thermocouple or other types of sensors, is connected with the controller through electrical connection, and transmits a temperature signal to the controller for real-time monitoring and regulation. Through the design of the heating pipe and the temperature sensor, the temperature in the mixing process can be accurately controlled and monitored. The controller can adjust the temperature in the mixing process in real time through controlling the heating pipe according to the signals acquired by the temperature sensor so as to reach the required temperature range.

Optionally, a blower electrically connected to the controller is disposed in the case, and a blower port corresponding to the filter assembly and communicating with the blower is disposed on the case. The blower is instructed by the controller to control its start and stop and wind speed. The blower may provide an air flow to purge, dry, or maintain temperature of the filter assembly. The blower port is used to direct the air flow generated by the blower to the filter assembly. The design and location of the blower orifice should be matched to the filter assembly to ensure that the airflow covers the surface of the filter assembly uniformly. Through the design of hair-dryer and blast orifice, can be when needs through the work of controller control hair-dryer, guide the air current to the filtration subassembly on, realize operation such as sweep, dry or keep warm to filtration subassembly. This may increase filtration efficiency and ensure stability of the experiment or process.

The full-automatic measuring instrument for the mud content of the engineering aggregate has the following beneficial effects:

1. And (3) automation operation: the instrument can automatically soak aggregate according to the standard requirement, and no intervening of a tester is needed. This greatly improves the work efficiency and reduces possible errors of manual operation.

2. And (3) thoroughly cleaning: the aggregate is elutriated by adopting a mode of combining stirring and water flushing, so that the aggregate is more thorough and clean compared with the traditional manual elutriation. The method can ensure the accuracy of the test result and avoid the influence of residual substances on the surface of the aggregate on the test result.

3. Avoiding particle loss: the filter components with different apertures are used for filtering step by step, so that particle loss caused by manual operation is avoided. This ensures the integrity and accuracy of the aggregate sample.

4. Automatic weighing: through the automatic weighing function, the true accuracy of the detection data is guaranteed. This reduces weighing errors that may be introduced by human handling.

5. The labor intensity is reduced: the automatic operation of the instrument reduces the labor intensity of testers and improves the working efficiency and the working comfort.

6. The method meets the standard detection flow: the whole process is closer to the standard detection process, and the comparability and the accuracy of the test result are ensured.

In general, the full-automatic measuring instrument for the mud content of the engineering aggregate has the advantages of automation, thorough cleaning, particle loss avoidance, automatic weighing, labor intensity reduction, conformity with a standard detection flow and the like. This will provide a more efficient, accurate and reliable solution for engineering aggregate mud content determination.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of the structure of a fully automatic measuring instrument for the mud content of engineering aggregates;

FIG. 2 is a view showing the construction of the lifting column of FIG. 1 after it has been lowered;

FIG. 3 is a block diagram of the U-shaped connecting rod of FIG. 1;

FIG. 4 is a view showing a construction of the mixing bowl arrangement of FIG. 1;

Reference numerals: 1-stirring main machine, 2-lifting column, 3-trunnion, 4-sleeve, 5-U-shaped connecting rod, 6-operation panel, 7-temperature sensor, 8-heating pipe, 9-blast orifice, 10-box, 11-stirring blade, 12-optical sensor, 13-annular spray pipe, 14-water inlet pipe, 15-stirring pot, 16-automatic drain valve, 17-coarse screen drum, 18-fine screen drum, 19-screen bottom bracket, 20-water collecting tray, 21-blow-off pipe, 22-box door, 23-weighing bracket, 24-power bracket and 25-blower.

Detailed Description

The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1 to 4, the full-automatic measuring instrument for the mud content of engineering aggregate according to the present utility model comprises a box 10, which provides stable support and protection for the whole instrument, and can be made of metal or plastic materials, a stirring pot 15, a filter assembly and a water collecting tray 20 are sequentially arranged in the box 10 from top to bottom, a stirring main machine 1 is also arranged on the box 10 through a lifting column 2, the lifting column 2 can adopt an electric push rod or a linear motor to realize the vertical lifting action of the stirring main machine 1, the stirring main machine 1 is positioned above the stirring pot 15 and is provided with stirring blades 11 for stirring the stirring pot 15, which are used for stirring the mixture in the stirring pot to ensure uniform mixing, The stirring main machine 1 can adopt a driving motor to rotate the stirring blade 11, and after the stirring pot blade 11 ascends, the stirring pot 15 can be turned over to conveniently pour out tested aggregate so as to clean an instrument; The stirring pot 15 is positioned at the top of the inside of the box body 10 and is used for loading aggregate samples to be tested and water for mixing and stirring; the box body 10 is also provided with a weighing bracket 23 and a power bracket 24 which are respectively and rotatably connected with the trunnions 3 at the two sides of the mixing pot 15, and the weighing bracket 23 and the power bracket 24 are used for supporting the mixing pot and providing power, namely, the trunnions 3 at the two sides of the mixing pot 15 are respectively arranged on the bearing bracket 23 and the power bracket 24 through a bearing, the pressure sensor used for weighing the mixing pot 15 and aggregate therein is arranged in the weighing bracket 23, and the pressure sensor is a known technology, is also called a resistance strain sensor, belongs to a weighing sensor series and is a device for converting physical signals into measurable electric signal output; The power bracket 24 is provided with a gear motor or a servo motor for rotating the mixing pot 15, such as a rotatable mixing pot for pouring materials; the bottom of the mixing pot 15 is provided with a mesh-shaped water outlet and an automatic water discharge valve 16 which can be automatically opened and closed to match with water injection or water discharge of the mixing pot 15; The filtering component is connected with the sleeve 4 sleeved on the trunnion 3 at two sides of the mixing pot 15 through the U-shaped connecting rod 5 and is used for filtering the mixed mixture, particles with higher mud content are separated, namely, the trunnion 3 and the sleeve 4 in the rotation process of the mixing pot 15 are relatively rotatable, so that the U-shaped connecting rod 5 can combine the filtering component with the mixing pot 15, on one hand, the filtering component and the U-shaped connecting rod are in a vertical position under the dead weight of the filtering component, the mixing pot 15 and the filtering component can be weighed together by the weighing bracket 23, on the other hand, the mixing pot 15 can be rotated under the rotation of the power bracket 24, the U-shaped connecting rod 5 and the filtering component do not rotate along with the mixing pot 15 under the rotation fit of the sleeve 4 relative to the trunnion 3 of the mixing pot 15, I.e. the rotation of the filter assembly relative to the mixing bowl 15 is relatively stationary; The filter assembly is used for screening fine aggregates in the water discharged from the mixing pot 15, the water collecting disc 20 is arranged on the inner bottom of the box body 10 and used for collecting the water discharged from the filter assembly and then discharging the water, the box body 10 is also provided with a water inlet pipe 14 connected with the mixing pot 15 and a drain pipe 21 connected with the water collecting disc 20, the water inlet pipe 14 is used for injecting water into the mixing pot 15 and is matched with stirring of the stirring blade 11 to wash the aggregates in the mixing pot 15, and the drain pipe 21 is used for discharging the water collected by the water collecting disc 20; the box 10 is further provided with a controller with an operation panel 6, and the controller is respectively and electrically connected with the lifting column 2, the stirring host 1, the automatic drain valve 16, the weighing bracket 23 and the power bracket 24, so that corresponding automatic control operation is performed on each component through the controller, for example, a pressure sensor in the weighing bracket 23 can record the whole weighing condition, automatically detect whether the aggregate is constant weight, record the quality of the aggregate after drying and cleaning and drying, automatically calculate the mud content, save data and the like, and the mud content is transmitted to the controller and displayed by the operation panel 6.

By adopting the scheme, the full-automatic measuring instrument for the mud content of the engineering aggregate can automatically soak the aggregate according to the standard requirement without the intervention of test personnel, cleanly wash the aggregate by adopting a stirring mode, avoid the loss of particles caused by manual operation by combining with a filtering component, ensure the true accuracy of detection data by automatic weighing, greatly reduce the labor intensity of the test personnel, and enable the whole process to be closer to the standard detection process.

The filter assembly in this example is composed of a coarse filter screen drum 17, a fine filter screen drum 18 and a filter screen bottom support 19, wherein the U-shaped connecting rod 5 is arranged on the filter screen bottom support 19 in a penetrating way, so that the filter screen bottom support 19 is fixedly connected with the sleeve 4 on the box body 10 through the U-shaped connecting rod 5, the fine filter screen drum 18 with the particle size of 0.075mm and the coarse filter screen drum 17 with the particle size of 2.36mm or 4.75mm can be placed on the U-shaped connecting rod, namely the fine filter screen drum 18 is placed on the filter screen bottom support 19, the coarse filter screen drum 17 is superposed on the fine filter screen drum 18, coarse aggregates with the particle size of more than 2.36mm or 4.75mm can be trapped on the coarse filter screen drum 17, fine aggregates with the particle size of less than 2.36mm or 4.75mm can be introduced into the fine filter screen drum 18 along with water flow, fine aggregates with the particle size of more than 0.075mm can be trapped on the fine filter screen drum 18, and turbid liquid containing fine aggregates with the particle size of less than 0.075mm in the fine filter screen drum 18 can be discharged on a water collecting tray 20, and the discharged aggregates with different particle sizes can be filtered step by step. Further, the U-shaped connecting rod 5 adopts two side by side, so that the installation of the U-shaped connecting rod on the screen support 19 is more stable and reliable, and the coarse screen drum 17 and the fine screen drum 18 on the screen support 19 can work reliably.

An annular water spraying pipe 13 connected with a water inlet pipe 14 is arranged on the opening of the mixing pot 15 in the embodiment, and the water inlet pipe 14 adopts a soft pipe body so as to be convenient for matching with the overturning action of the mixing pot 15. In this way, the aggregate is thoroughly and cleanly washed by the combination of the water washing of the annular water spray pipe 13 and the stirring of the stirring blade 11 compared with the conventional manual washing.

The mixing pot 15 in this embodiment is provided with an optical sensor 12 electrically connected with the controller, which is used for detecting the water level and the water clarity in the mixing pot 15, and the controller can control the water injection of the mixing pot 15 to complete the aggregate soaking and panning work in the mixing pot 15.

The heating pipe 8 and the temperature sensor 7 are respectively and electrically connected with the controller, wherein the heating pipe 8 is a fin electric heating pipe and is used for heating and drying aggregate and components, the temperature sensor is a known technology and is used for monitoring the temperature inside the box body 10, the box body 10 is also internally provided with a blower 25 electrically connected with the controller, and the box body 10 is provided with a blower 9 which corresponds to the filter assembly and is communicated with the blower 25 so as to heat and dry the aggregate and the components.

The box 10 in this embodiment is provided with an open-close box door 22, so that the aggregate elutriation process in the apparatus works in a relatively closed environment, and is also conducive to heating, drying and other operations.

The controller in this embodiment may be a microcomputer system with integrated circuit chip, which is formed by integrating the functions of CPU, RAM, ROM, I/O ports, interrupt system, counter, etc. with a silicon chip.

The working principle of the utility model is as follows: before the test, the water inlet pipe 14 and the sewage discharge pipe 21 are connected, the power supply is firstly turned on during the test, the lifting column 2 is selected to ascend through the operation panel 6, the stirring host 1 and the stirring blade 11 on the stirring host ascend under the driving of the lifting column 2, the box door 22 is opened, the aggregate sample which is contracted to the specified mass according to the specification is poured into the stirring pot 15, the box door 22 is closed, and the soaking time is set through the operation panel 6 and the stirring host is started. Then, the instrument starts the heating pipe 8 according to a set program and outputs air through the blower 25 and the air outlet 9, the temperature sensor 7 monitors the drying temperature, the drying temperature is controlled to be 105+/-5 ℃, the mixing pot 15 and the filtering component are connected to the weighing bracket 23, the quality of the mixing pot 15 and the filtering component can be measured, when the constant weight of an aggregate sample is detected, the heating is stopped, the temperature sensor 7 detects that the temperature is cooled to the room temperature, and the instrument automatically records the quality. The valve on the water inlet pipe 14 is controlled to be automatically opened, the annular water spraying pipe 13 is controlled to open water injection, water injection is stopped when the height of the optical sensor 12 is reached, the water injection is stopped, the water injection is kept stand according to a set program, the stirring main machine 1 is started to be soaked, after the soaking time is reached, the stirring blade 11 is started, then the automatic water discharging valve 16 is opened, turbid liquid is sequentially discharged onto the coarse filter screen drum 17 and the fine filter screen drum 18, the inflow water collecting disc 20 is discharged through the drain pipe 21, then the automatic water discharging valve 16 is automatically closed, then the instrument is circularly carried out according to the process of water injection, stirring and water discharging (water spraying ports are still used for spraying in the process of draining mud) until the optical sensor 12 detects water clarification after the last water injection stirring, and the process is ended. The drying program is started, at the moment, the automatic drain valve 16 is kept open to drain so as to dry the aggregate sample on the mixing pot 15 and the filtering component faster, the weighing bracket 23 stops heating after detecting constant quality, the temperature sensor 7 automatically records the quality at the moment after detecting room temperature, the mud content is automatically calculated according to the quality of the dried aggregate sample before and after washing, the data is displayed through the screen of the operation panel 6, and the controller also stores test data and sends out prompt test completion; finally, the test personnel records data, takes down the coarse screen drum 17 and the fine screen drum 18, pours out the aggregate sample in the screen, rotates the mixing pot 15 through the power bracket 24 to pour out the aggregate sample in the mixing pot, and closes the power supply to finish the test.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.

Claims (9)

1. The utility model provides a full-automatic survey instrument of engineering aggregate mud content, includes box (10), its characterized in that, top-down is equipped with in proper order in the box and mixes pot (15), filter component and water collecting tray (20), be equipped with stirring host computer (1) through lifting column (2) on the box, stirring host computer is located and mixes the pot top and is equipped with stirring vane (11) that are used for stirring and mix the pot, be equipped with on the box with mix the trunnion (3) of pot both sides and rotate weighing bracket (23) and power bracket (24) that are connected respectively, the bottom of mixing the pot is equipped with automatic drain valve (16), filter component links to each other with sleeve pipe (4) of suit on the trunnion of stirring pot both sides through U-shaped connecting rod (5), the water collecting tray is located the box inner bottom, still be equipped with on the box and connect inlet tube (14) of mixing the pot and connect blow off pipe (21) of water collecting tray.

2. The full-automatic measuring instrument for the mud content of engineering aggregates according to claim 1, wherein the filtering component consists of a coarse filter screen cylinder (17), a fine filter screen cylinder (18) and a filter screen base (19), the U-shaped connecting rod is arranged on the filter screen base in a penetrating way, the fine filter screen cylinder is arranged on the filter screen base, and the coarse filter screen cylinder is stacked on the fine filter screen cylinder; the aperture of the coarse filter screen cylinder is 4.75mm or 2.36mm, and the aperture of the fine filter screen cylinder is 0.075mm.

3. The full-automatic measuring instrument for the mud content of engineering aggregates according to claim 1, wherein an annular water spray pipe (13) connected with a water inlet pipe is arranged on the opening of the mixing pot, and the water inlet pipe adopts a soft pipe body.

4. The full-automatic measuring instrument for the mud content of engineering aggregates according to claim 1, wherein the box body is provided with an opening and closing box door (22).

5. The full-automatic measuring instrument for the mud content of engineering aggregates according to claim 1, wherein the U-shaped connecting rod is two arranged side by side.

6. The full-automatic measuring instrument for the mud content of the engineering aggregate according to any one of claims 1 to 5, wherein a controller with an operation panel (6) is further arranged on the box body, and the controller is electrically connected with the lifting column, the stirring host, the automatic drain valve, the weighing bracket and the power bracket respectively.

7. The full-automatic measuring instrument for the mud content of engineering aggregates according to claim 6, wherein the mixing pot is provided with an optical sensor (12) electrically connected with the controller.

8. The full-automatic measuring instrument for the mud content of the engineering aggregate according to claim 6, wherein a heating pipe (8) and a temperature sensor (7) are arranged in the box body and between the mixing pot and the filtering component, and the heating pipe and the temperature sensor are electrically connected with the controller.

9. The full-automatic measuring instrument for the mud content of engineering aggregates according to claim 6, wherein a blower (25) electrically connected with the controller is arranged in the box body, and a blower port (9) corresponding to the filtering assembly and communicated with the blower is arranged on the box body.