CN216978843U

CN216978843U - Detection device for building sand

Info

Publication number: CN216978843U
Application number: CN202220669387.XU
Authority: CN
Inventors: 李高峰; 张玲玲; 周雷; 刘金水; 任沛; 陈晨
Original assignee: Kaifeng Zhubang Commercial Mortar Co ltd
Current assignee: Kaifeng Zhubang Commercial Mortar Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-15
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to a detection device for building sand, which comprises a bottom plate, wherein a beaker is arranged on the bottom plate, a first support rod is arranged on the bottom plate on one side of the beaker, a second support rod is arranged on the bottom plate on the other side of the beaker, a servo motor is arranged on the first support rod and is positioned above the beaker, the output end of the servo motor is in transmission connection with a rotating shaft, stirring blades are arranged on the rotating shaft in the beaker, a first quantitative pipe is arranged on one side, close to the beaker, of the second support rod, a second quantitative pipe is arranged on one side, far away from the beaker, of the second support rod, a first regulating valve is respectively arranged on each of the first quantitative pipe and the second quantitative pipe, a liquid inlet pipe is communicated with the bottom end of the first quantitative pipe and the bottom end of the second quantitative pipe, and a liquid outlet end of the liquid inlet pipe is positioned above the opening end of the beaker. The stirring machine is convenient to prepare the mixture of the sand and the water, and the methylene blue aqueous solution is convenient to add in the stirring process. The utility model has convenient adjustment and use and wide market prospect.

Description

Detection device for building sand

Technical Field

The utility model relates to the field of detection of building sand, in particular to a detection device for building sand.

Background

The building sand is composed of quartz particles as main material and small amount of detritus sediment, called natural sand, formed by rivers, lakes and seas and containing detritus and mud; the artificial mechanical broken object of hard and non-weathered rock is called machine-made sand; the mixture of natural sand and machine-made sand is called mixed sand. Machine sand and mixed sand are also commonly referred to as artificial sand. The concrete used as concrete aggregate is artificial stone material prepared by mixing cement, water, sand and coarse aggregate pebble and then hardening, wherein the amount of the sand is about 30-60%.

Due to the characteristics of the production process of the machine-made sand, the mud powder and the stone powder in the machine-made sand are mixed, and the lower mud content has larger influence on the workability, the strength and the durability of concrete than the stone powder; methylene blue value is an overall indicator of the presence and amount of swellable minerals (mud fines) in the machine sand. In the measuring process, a mixture of sand and water is prepared by a stirrer to form suspension; and a preset amount of methylene blue solution needs to be added into the solution in stirring for determination, and a corresponding experimental device is lacked in the market, so that time and labor are wasted in the detection process.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a detection device for building sand, which can be used for preparing a mixture of sand and water by a stirrer and is convenient for adding a methylene blue water solution in the stirring process, and is used for overcoming the defects in the prior art.

The technical scheme adopted by the utility model is as follows: the utility model provides a detection apparatus for be used for sand for building, comprising a base plate, be provided with the beaker on the bottom plate, be provided with first bracing piece on the bottom plate of beaker one side, be provided with the second bracing piece on the bottom plate of beaker opposite side, be provided with servo motor on the first bracing piece, servo motor is located the top of beaker, the transmission is connected with the axis of rotation on servo motor's the output, be provided with stirring vane in the axis of rotation in the beaker, one side that the second bracing piece is close to the beaker is provided with first ration pipe, one side that the beaker was kept away from to the second bracing piece is provided with the quantitative pipe of second, it does not be provided with first governing valve to equally divide on first ration pipe and the quantitative pipe of second, the intercommunication has the feed liquor pipe on the bottom of first ration pipe and the bottom of the quantitative pipe of second, the play liquid end of feed liquor pipe is located the top of beaker open end.

Preferably, first bracing piece and second bracing piece on equalling divide and do not be provided with high adjusting device, high adjusting device include sliding tube and sliding tube go up threaded connection's adjusting screw, it is fixed through the head rod between the sliding tube of installation on the first bracing piece and the servo motor, first ration pipe and second bracing piece on the sliding tube of installation between fixed through the second connecting rod.

Preferably, first dosing pipe and second dosing pipe between be linked together through first overflow pipe, second dosing pipe intercommunication has the second overflow pipe on the one side of keeping away from first dosing pipe, equally divide on first dosing pipe and the second dosing pipe and do not be provided with first liquid level mark line and second liquid level mark line, the bottom in first overflow pipe inner chamber, the bottom in second overflow pipe inner chamber, the first liquid level on the first dosing pipe mark line and the first liquid level on the second dosing pipe mark the line and be located the same height.

Preferably, a rubber pad is arranged at the inner side end of the adjusting screw.

Preferably, still include methylene blue liquid storage bottle, be provided with the liquid storage bottle drain pipe on the bottom on the methylene blue liquid storage bottle, be provided with the liquid storage bottle back flow on the methylene blue liquid storage bottle of liquid storage bottle drain pipe top, first buret keep away from and be provided with the second governing valve on the feed liquor pipe of second ration pipe one side, the second ration pipe is kept away from and is provided with the third governing valve on the feed liquor pipe of first buret one side, is linked together through the methylene blue conveyer pipe between feed liquor pipe and the liquid storage bottle drain pipe, is provided with the transfer pump on the methylene blue conveyer pipe.

Preferably, the liquid storage bottle back flow and the second overflow pipe between be linked together through first back flow pipe, be linked together through the second back flow between the methylene blue conveyer pipe between transfer pump and the feed liquor pipe and the first back flow pipe, be provided with the fourth governing valve on the second back flow, be provided with first stop valve on the first back flow pipe between second back flow pipe and the second overflow pipe, the intercommunication has the waste liquid delivery pipe on the first back flow pipe between first stop valve and the second overflow pipe, the last intercommunication of waste liquid delivery pipe has the second stop valve.

The utility model has the beneficial effects that: firstly, the utility model realizes the convenience for the mixer to prepare the mixture of the sand and the water and the convenience for adding the water solution of the methylene blue in the mixing process, and fills the industrial blank that the measuring experiment has no corresponding measuring equipment.

Secondly, the first support rod and the second support rod are respectively provided with a height adjusting device, the height adjusting devices comprise sliding pipes and adjusting screws in threaded connection with the sliding pipes, and the relative height of the stirring blades in the beaker and the distance between the liquid outlet end of the liquid inlet pipe and the opening end of the beaker can be adjusted conveniently.

Finally, the rubber pad is bonded at the inner side end of the adjusting screw, the rubber pad is of a sheet structure made of rubber materials, the sliding resistance of the sliding pipe on the first supporting rod or the second supporting rod is increased by installing the rubber pad, and the braking effect of the sliding pipe is improved.

The utility model has the advantages of simple structure, convenient operation, ingenious design, greatly improved working efficiency, good social and economic benefits and easy popularization and use.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view of detail a of fig. 1.

Detailed Description

As shown in figures 1 and 2, a detection device for building sand comprises a bottom plate 1, a beaker 2 is arranged on the bottom plate 1, a first support rod 3 is arranged on the bottom plate 1 on one side of the beaker 2, a second support rod 4 is arranged on the bottom plate 1 on the other side of the beaker 2, a servo motor 5 is arranged on the first support rod 3, the servo motor 5 is positioned above the beaker 2, a rotating shaft 6 is connected on the output end of the servo motor 5 in a transmission manner, the top end of the rotating shaft 6 and the output end of the servo motor 5 are fixed through a coupler, a stirring blade 7 is arranged on the rotating shaft 6 in the beaker 2, a first quantitative pipe 8 is arranged on one side of the second support rod 4 close to the beaker 2, a second quantitative pipe 9 is arranged on one side of the second support rod 4 far away from the beaker 2, a first regulating valve 10 is respectively arranged on the first quantitative pipe 8 and the second quantitative pipe 9, a liquid inlet pipe 11 is communicated with the bottom end of the first quantitative pipe 8 and the bottom end of the second quantitative pipe 9, the liquid outlet end of the liquid inlet pipe 11 is positioned above the opening end of the beaker 2.

The first support rod 3 and the second support rod 4 are respectively provided with a height adjusting device, the height adjusting device comprises a sliding pipe 12 and an adjusting screw 13 in threaded connection with the sliding pipe 12, the corresponding sliding pipe 12 on the first support rod 3 is movably connected with the first support rod 3, and the corresponding sliding pipe 12 on the second support rod 4 is movably connected with the second support rod 4; the sliding tube 12 installed on the first support rod 3 is fixed with the servo motor 5 through a first connecting rod 14, and the first quantitative tube 8 and the second quantitative tube 9 are fixed with the sliding tube 12 installed on the second support rod 4 through a second connecting rod 15. The height adjusting devices are arranged on the first supporting rod 3 and the second supporting rod 4, so that the relative height of the stirring blades 7 in the beaker 2 and the distance between the liquid outlet end of the liquid inlet pipe 11 and the open end of the beaker 2 can be adjusted conveniently. The rubber pad 20 is bonded on the inner side end of the adjusting screw 13, the rubber pad 20 is of a sheet structure made of rubber, the sliding resistance of the sliding tube 12 on the first support rod 3 or the second support rod 4 is increased by installing the rubber pad 20, and the braking effect of the sliding tube 12 is improved.

First ration pipe 8 and second ration pipe 9 between be linked together through first overflow pipe 16, second ration pipe 9 intercommunication has second overflow pipe 17 on keeping away from one side of first ration pipe 8, equally divide on first ration pipe 8 and the second ration pipe 9 and do not be provided with first liquid level mark line 18 and second liquid level mark line 19, the bottom of 16 inner chambers of first overflow pipe, the bottom of 17 inner chambers of second overflow pipe, first liquid level mark line 18 on the first ration pipe 8 and the first liquid level mark line 18 on the second ration pipe 9 are located same height. The first quantitative pipe 8 and the second quantitative pipe 9 are convenient for fixing the volume and are used for adding the upper liquid level of the methylene blue solution in the beaker 2. The inner cavity volume of the second quantitative tube 9 between the first liquid level indicating line 18 on the second quantitative tube 9 and the second liquid level indicating line 19 on the second quantitative tube 9 is 5 mL; the volume of the inner cavity of the first quantitative tube 8 between the first level indicating line 18 on the first quantitative tube 8 and the second level indicating line 19 on the first quantitative tube 8 was 2 mL.

This product still includes methylene blue liquid storage bottle 21, is provided with liquid storage bottle drain pipe 22 on the bottom on methylene blue liquid storage bottle 21, is provided with liquid storage bottle back flow 23 on the methylene blue liquid storage bottle 21 of liquid storage bottle drain pipe 22 top, first ration pipe 8 keep away from and be provided with second governing valve 24 on the feed liquor pipe 11 of second ration pipe 9 one side, second ration pipe 9 is kept away from and is provided with third governing valve 25 on the feed liquor pipe 11 of first ration pipe 8 one side, is linked together through methylene blue conveyer pipe 26 between feed liquor pipe 11 and the liquid storage bottle drain pipe 22, is provided with the transfer pump 27 on the methylene blue conveyer pipe 26. The methylene blue solution temporarily stored in the methylene blue liquid storage bottle 21 is conveniently conveyed into the first quantitative pipe 8 and the second quantitative pipe 9.

The liquid storage bottle return pipe 23 is communicated with the second overflow pipe 17 through a first return pipe 28, the methylene blue delivery pipe 26 between the liquid delivery pump 27 and the liquid inlet pipe 11 is communicated with the first return pipe 28 through a second return pipe 29, and the second return pipe 29 is provided with a fourth regulating valve 30 so as to control the return flow quantity; a first stop valve 31 is arranged on the first return pipe 28 between the second return pipe 29 and the second overflow pipe 17, a waste liquid discharge pipe 32 is communicated with the first return pipe 28 between the first stop valve 31 and the second overflow pipe 17, and a second stop valve 33 is communicated with the waste liquid discharge pipe 32. The waste liquid discharge pipe 32 is installed to facilitate discharge of the methylene blue solution used for rinsing the first quantitative pipe 8 and the second quantitative pipe 9 at an early stage. A pressure sensor 34 is disposed on the methylene blue delivery tube 26 between the infusion pump 27 and the second return tube 29 to facilitate feedback of the pressure experienced by the methylene blue delivery tube 26 between the infusion pump 27 and the second return tube 29.

The use method of the product is as follows: as shown in fig. 1 and 2, first, the pressure applied to the methylene blue delivery pipe 26 between the liquid delivery pump 27 and the second return pipe 29 is adjusted, the first stop valve 31, the first regulating valve 10, the second regulating valve 24 and the third regulating valve 25 are closed, the liquid delivery pump 27 is opened, the opening degree of the fourth regulating valve 30 is adjusted, when the data fed back by the pressure sensor 34 reaches a preset range, the adjustment of the opening degree of the fourth regulating valve 30 is stopped, at this time, the methylene blue solution stored in the methylene blue liquid storage bottle 21 is sent out from the liquid storage bottle outlet pipe 22, is pressurized by the liquid delivery pump 27, flows through the second return pipe 29, and finally flows back into the liquid storage bottle outlet pipe 22 through the liquid storage bottle return pipe 23.

Then, the rinsing operation of the first quantitative pipe 8 and the second quantitative pipe 9 can be started, and the specific steps are as follows: opening a first regulating valve 10 on the first quantitative pipe 8, a first regulating valve 10 on the second quantitative pipe 9, a third regulating valve 25 and a second stop valve 33, and at the moment, part of the methylene blue solution flowing out of the liquid storage bottle liquid outlet pipe 22 flows back into the liquid storage bottle liquid outlet pipe 22 through a second return pipe 29 and a liquid storage bottle return pipe 23; the other part is conveyed to the first quantitative pipe 8 and the second quantitative pipe 9 through the liquid inlet pipe 11 to rinse the inner cavity of the first quantitative pipe 8 and the inner cavity of the second quantitative pipe 9, and the rinsed liquid is discharged through the waste liquid discharge pipe 32 and collected by a waste liquid cup; after the inner cavity of the first quantitative pipe 8 and the inner cavity of the second quantitative pipe 9 are sufficiently rinsed, the first regulating valve 10 on the first quantitative pipe 8 and the first regulating valve 10 on the second quantitative pipe 9 are closed, then the second regulating valve 24 is opened to sufficiently rinse the inner cavity of the liquid inlet pipe 11, methylene blue solution which rinses the liquid inlet pipe 11 flows out from the liquid outlet end of the liquid inlet pipe 11 and is collected by the other waste liquid cup, and after the rinsing is finished, the second regulating valve 24 and the third regulating valve 25 are closed.

Then adjusting the height adjusting device on the first supporting rod 3 and the height adjusting device on the second supporting rod 4, and placing the beaker 2 at a preset position; the liquid outlet end of the liquid inlet pipe 11 and the stirring blade 7 are adjusted to preset positions, then the height adjusting device on the first supporting rod 3 and the height adjusting device on the second supporting rod 4 are fixed, the second stop valve 33 is closed, and the first stop valve 31 is opened, so that the preparation steps before the experiment are completed.

After the preparation before the experiment is finished, the sand mixer can be used formally, weighed machine-made sand is placed in an inner cavity of a beaker 2, water with a measured volume is added, then a servo motor 5 is started to mix the machine-made sand and the water in the beaker, and the servo motor 5 is adjusted to a first preset power and drives a rotating shaft 6 to rotate for 5 minutes at the first preset power; and after the timing of 5 minutes is finished, adjusting the servo motor 5 to a second preset power until the end of the measurement experiment.

After the servo motor 5 is adjusted to a second preset power, a first adjusting valve 10 and a second adjusting valve 24 on a second quantitative pipe 9 are opened to place the methylene blue solution in the second quantitative pipe 9 from a first liquid level indicating line 18 on the second quantitative pipe 9 to a second liquid level indicating line 19 on the second quantitative pipe 9, and the methylene blue solution discharged from the second quantitative pipe 9 is placed into the inner cavity of the beaker 2 through the liquid outlet end of the liquid inlet pipe 11 to be mixed with the suspension of the machine-made sand and the water to form a mixed suspension; then, the second regulating valve 24 is closed and the third regulating valve 25 is opened, at this time, after the methylene blue solution in the second quantitative pipe 9 is reset from the second liquid level indicating line 19 on the second quantitative pipe 9 to the first liquid level indicating line 18 on the second quantitative pipe 9, the third regulating valve 25 is closed, and the redundant solution flows back to the methylene blue liquid storage bottle 21 from the second overflow pipe 17 through the first overflow pipe 16 and the liquid storage bottle return pipe 23; during the process, a glass rod is used for dipping the mixed suspension liquid on the filter paper, and if blue color halo is not generated around the precipitate or the duration of blue color is within 4min, a methylene blue solution between a first liquid level indicating line 18 on the second quantitative tube 9 and a second liquid level indicating line 19 on the second quantitative tube 9 is continuously added into the inner cavity of the beaker 2; repeatedly adding methylene blue solution between a first liquid level indicating line 18 on the second quantifying pipe 9 and a second liquid level indicating line 19 on the second quantifying pipe 9 for multiple times into the inner cavity of the beaker 2; when the duration of blue color deposition around the precipitate is between 4min and 5min, closing the first regulating valve 10 on the second quantitative tube 9 and opening the first regulating valve 10 on the first quantitative tube 8, and then adding methylene blue solution between the first liquid level indicating line 18 on the first quantitative tube 8 and the second liquid level indicating line 19 on the first quantitative tube 8 into the inner cavity of the quantitative tube 2; correspondingly closing the second regulating valve 24 and opening the third regulating valve 25, and resetting the methylene blue solution in the first quantitative pipe 8 from the second liquid level indicating line 19 on the first quantitative pipe 8 to the first liquid level indicating line 18 on the first quantitative pipe 8; repeating for many times until the duration of blue color around the precipitate can be maintained above 5min, calculating the volume of the minimum required methylene blue solution according to the times of adding the liquid into the second quantitative pipe 9 and the first quantitative pipe 8, and calculating the MB value of the methylene blue according to national standard for judging the quality of the machine-made sand.

Through this embodiment, realized being convenient for the mixer system sand and the mixture of water and being convenient for add the aqueous solution of methylene blue in the stirring process, filled this survey experiment and had not had the trade blank of corresponding survey equipment.

The utility model provides a detection device for building sand, which meets the needs of workers in the field of detection of building sand, and has wide market prospect.

Claims

1. The utility model provides a detection device for sand for building which characterized in that: the quantitative liquid feeding device comprises a bottom plate (1), a beaker (2) is arranged on the bottom plate (1), a first supporting rod (3) is arranged on the bottom plate (1) on one side of the beaker (2), a second supporting rod (4) is arranged on the bottom plate (1) on the other side of the beaker (2), a servo motor (5) is arranged on the first supporting rod (3), the servo motor (5) is positioned above the beaker (2), a rotating shaft (6) is connected to the output end of the servo motor (5) in a transmission manner, stirring blades (7) are arranged on the rotating shaft (6) in the beaker (2), a first quantitative pipe (8) is arranged on one side, close to the beaker (2), of the second supporting rod (4), a second quantitative pipe (9) is arranged on one side, far away from the beaker (2), a first regulating valve (10) is respectively arranged on each of the first quantitative pipe (8) and the second quantitative pipe (9), and a liquid inlet pipe (11) is communicated between the bottom end of the first quantitative pipe (8) and the bottom end of the second quantitative pipe (9) The liquid outlet end of the liquid inlet pipe (11) is positioned above the opening end of the beaker (2).

2. The detecting device for the construction sand as claimed in claim 1, wherein: first bracing piece (3) and second bracing piece (4) on equallyd divide and do not be provided with high adjusting device, high adjusting device including sliding tube (12) and sliding tube (12) go up threaded connection's adjusting screw (13), fixed through first connecting rod (14) between sliding tube (12) of installation and servo motor (5) on first bracing piece (3), first ration pipe (8) and second ration pipe (9) and second bracing piece (4) on install between sliding tube (12) fixed through second connecting rod (15).

3. The detecting device for building sand according to claim 1, wherein: first dosing pipe (8) and second dosing pipe (9) between be linked together through first overflow pipe (16), second dosing pipe (9) intercommunication has second overflow pipe (17) on the one side of keeping away from first dosing pipe (8), equally divide on first dosing pipe (8) and second dosing pipe (9) and do not be provided with first liquid level marking line (18) and second liquid level marking line (19), the bottom of first overflow pipe (16) inner chamber, the bottom of second overflow pipe (17) inner chamber, first liquid level marking line (18) on first dosing pipe (8) and first liquid level marking line (18) on second dosing pipe (9) are located same height.

4. The detecting device for the construction sand as claimed in claim 2, wherein: a rubber pad (20) is arranged at the inner side end of the adjusting screw (13).

5. The detecting device for the construction sand as claimed in claim 3, wherein: still include methylene blue liquid storage bottle (21), be provided with liquid storage bottle drain pipe (22) on methylene blue liquid storage bottle (21) the bottom, be provided with liquid storage bottle back flow (23) on methylene blue liquid storage bottle (21) of liquid storage bottle drain pipe (22) top, first ration pipe (8) keep away from and be provided with second governing valve (24) on feed liquor pipe (11) of second ration pipe (9) one side, second ration pipe (9) are kept away from and are provided with third governing valve (25) on feed liquor pipe (11) of first ration pipe (8) one side, are linked together through methylene blue conveyer pipe (26) between feed liquor pipe (11) and liquid storage bottle drain pipe (22), are provided with on methylene blue conveyer pipe (26) and transfer pump (27).

6. The detecting device for the construction sand as claimed in claim 5, wherein: the liquid storage bottle return pipe (23) is communicated with the second overflow pipe (17) through a first return pipe (28), a methylene blue conveying pipe (26) between the liquid conveying pump (27) and the liquid inlet pipe (11) is communicated with the first return pipe (28) through a second return pipe (29), a fourth adjusting valve (30) is arranged on the second return pipe (29), a first stop valve (31) is arranged on the first return pipe (28) between the second return pipe (29) and the second overflow pipe (17), a waste liquid discharge pipe (32) is communicated with the first return pipe (28) between the first stop valve (31) and the second overflow pipe (17), and a second stop valve (33) is communicated with the waste liquid discharge pipe (32).