CN216419222U

CN216419222U - Special mortar additive diluting equipment

Info

Publication number: CN216419222U
Application number: CN202122240233.7U
Authority: CN
Inventors: 曾国辉
Original assignee: Wuhan Diaoyudao Building Materials Technology Co ltd
Current assignee: Wuhan Diaoyudao Building Materials Technology Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-05-03
Anticipated expiration: 2031-09-15

Abstract

The utility model relates to a mortar processing equipment attachment technical field just discloses a special mortar additive dilutes equipment, include the base and fix at the left agitator of base upper surface, agitator upper surface middle part rotates and is connected with the rotating sleeve, the rotating sleeve inner wall rotates and is connected with the axis of rotation, rotating sleeve and axis of rotation surface all fixed cover have connect the awl fluted disc, agitator upper surface left side fixedly connected with driving motor. This special mortar additive dilutes equipment uses through pressure sensor, closing plate, measuring cylinder, water pump and inlet tube cooperation for pressure sensor detects the inside additive weight of agitator through the closing plate, and measuring cylinder detects pouring into the inside water capacity of agitator, thereby has further made things convenient for the staff to the ratio work of additive with water, has further improved the accuracy nature that the additive dilutes, has made things convenient for the user to use.

Description

Special mortar additive diluting equipment

Technical Field

The utility model relates to a mortar processing equipment auxiliary device technical field specifically is a special type mortar additive diluting equipment.

Background

In the process of producing and processing the special mortar, an additive needs to be added into the special mortar according to the actual processing requirement of the special mortar, and the additive needs to be diluted before the additive is added into the special mortar, wherein the special mortar additive diluting equipment is a device for diluting the additive before the additive is added into the special mortar, and is widely used in the field of production of the special mortar; and when adding water and diluting the additive in to the barrel through the filler pipe, need come the water yield that adds in the strict control barrel according to the volume that adds the additive in the barrel, however current barrel does not have controlling means, therefore makes the degree of difficulty that comes the accurate control barrel internal water yield according to the volume of additive in the barrel great to lead to the use limitation higher.

For example, chinese patent application nos.: 201920334422.0, the special mortar additive dilution apparatus substantially as described herein: the stirring device comprises a cylinder body, three groups of supporting legs and a stirring rod, wherein a working cavity is arranged in the cylinder body; the stirring device also comprises a motor, a speed reducer, a driving gear, a driven gear, a fixed bearing, a mounting block and three groups of stirring blades, wherein a rotating cavity is arranged in the speed reducer; the device also comprises a control box, an extrusion pad, an adjusting threaded rod, a rotating plate, a measuring rod and a floating ball, wherein a flowing cavity is arranged inside the control box, and a driving cavity is arranged inside the extrusion pad; and reduce the degree of difficulty that comes the accurate control barrel internal water feeding volume according to the volume of additive in the barrel through addding controlling means, but the device is difficult to the capacity of assay barrel internal additive, and the staff need weigh the additive in advance, and it is comparatively troublesome to operate.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a special type mortar additive dilutes equipment has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a special mortar additive diluting device comprises a base and a stirring barrel fixed on the left side of the upper surface of the base, wherein a rotating sleeve is rotatably connected to the middle of the upper surface of the stirring barrel, a rotating shaft is rotatably connected to the inner wall of the rotating sleeve, conical tooth discs are fixedly sleeved on the outer surfaces of the rotating sleeve and the rotating shaft, a driving motor is fixedly connected to the left side of the upper surface of the stirring barrel, an output end of the driving motor is fixedly connected with a rotating rod, a bevel gear is fixedly connected to the right end of the rotating rod and meshed with the two groups of conical tooth discs, a plurality of groups of stirring plates are fixedly connected to the outer surface of the rotating shaft, rotating plates are fixedly connected to the left side and the right side of the outer surface of the rotating sleeve, scraping plates are fixedly connected to the outer sides of the rotating plates, a plurality of groups of stirring rods are fixedly connected to the inner side of the scraping plates, and a feed inlet is communicated with the upper surface of the stirring barrel, the bottom of the outer surface of the stirring barrel is communicated with a discharging pipe, the outer surface of the discharging pipe is provided with a discharging valve, the inner wall of the bottom of the stirring barrel is fixedly connected with a pressure sensor, the upper surface of the pressure sensor is fixedly connected with a sealing plate, the right side of the upper surface of the base is fixedly connected with a measuring barrel, the right side of the outer surface of the stirring barrel is fixedly connected with a water pump through a first supporting plate, the input end of the water pump is communicated with the left side of the outer surface of the measuring barrel through a water inlet pipe, the output end of the water pump is communicated with the upper surface of the stirring barrel through a water outlet pipe, the bottom of the outer surface of the water inlet pipe is provided with a stop valve, the left side of the outer surface of the stirring barrel is fixedly connected with a second supporting plate, the upper surface of the second supporting plate is provided with a display, a controller and a processor, the output end of the pressure sensor is electrically connected with the input end of the processor, the output of controller is connected with the input electricity of display, the equal fixedly connected with shock attenuation post in four corners of base lower surface.

Preferably, the shock absorption column comprises a base plate, a support sleeve is fixedly connected to the upper surface of the base plate, a support block is slidably connected to the inner wall of the support sleeve, and a spring is fixedly connected between the support block and the base plate.

Preferably, the bottom of the outer surface of the stirring barrel is fixedly connected with four groups of reinforcing ribs, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the base.

Preferably, the bottom of the outer surface of the rotating shaft is rotatably connected with a support frame, and the outer end of the support frame is fixedly connected with the inner wall of the stirring barrel.

Preferably, a sealing ring is fixedly sleeved on the outer surface of the sealing plate, the thickness of the sealing ring is five millimeters, and the sealing ring is made of rubber.

Preferably, the top of the outer surface of the rotating shaft is fixedly connected with two groups of limiting sliding strips, and the inner wall of the rotating sleeve is provided with a limiting sliding groove matched with the limiting sliding strips.

Preferably, the outer surface of the rotating rod is rotatably connected with a rotating support plate, and the lower surface of the rotating support plate is fixedly connected with the upper surface of the stirring barrel.

Preferably, the inner wall of the rotating sleeve is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the inner wall of the rotating sleeve is two or five millimeters at zero.

Preferably, the lower surface of the first supporting plate is fixedly connected with two groups of supporting rods, and the bottom ends of the supporting rods are fixedly connected with the outer surface of the stirring barrel.

Preferably, a transparent glass plate is arranged on the front side of the outer surface of the measuring cylinder, and a plurality of groups of scale marks are arranged on the front surface of the transparent glass plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a special type mortar additive diluting equipment possesses following beneficial effect:

1. this special mortar additive dilutes equipment uses through pressure sensor, closing plate, measuring cylinder, water pump and inlet tube cooperation for pressure sensor detects the inside additive weight of agitator through the closing plate, and measuring cylinder detects pouring into the inside water capacity of agitator, thereby has further made things convenient for the staff to the ratio work of additive with water, has further improved the accuracy nature that the additive dilutes, has made things convenient for the user to use.

2. This special mortar additive dilutes equipment uses through axis of rotation, rotating sleeve, awl fluted disc, bevel gear, stirring board and puddler cooperation for bevel gear drives two sets of awl fluted discs antiport, and the awl fluted disc drives axis of rotation and rotating sleeve antiport, and the stirring board stirs additive and water with the crisscross rotation of puddler, thereby has further improved the homogeneity that the additive mixes the dilution, has reduced the probability of additive caking, has guaranteed the dilution quality of additive.

3. This special mortar additive dilutes equipment, through rotating the sleeve pipe, rotor plate and scraper blade cooperation are used for rotating the sleeve pipe and driving the rotor plate and rotate, the rotor plate drives the scraper blade and rotates, the inner wall that the agitator was hugged closely to the lateral surface of scraper blade rotates, the scraper blade strikes off the adhesion at the additive caking of agitator inner wall, thereby further reduced the probability that the additive adheres to on the agitator inner wall, guaranteed additive dilution accuracy nature, maintained the cleanness of agitator inner wall.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view showing the structure of the present invention.

In the figure: 1. a base; 2. a stirring barrel; 3. rotating the sleeve; 4. a rotating shaft; 5. a shock-absorbing post; 6. a conical fluted disc; 7. a drive motor; 8. rotating the rod; 9. a bevel gear; 10. a stirring plate; 11. a rotating plate; 12. A squeegee; 13. a stirring rod; 14. a feed inlet; 15. a discharge pipe; 16. a discharge valve; 17. a pressure sensor; 18. a sealing plate; 19. a measuring cylinder; 20. a first support plate; 21. a water pump; 22. a water inlet pipe; 23. a water outlet pipe; 24. a stop valve; 25. a second support plate; 26. a display; 27. a controller; 28. a processor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a special mortar additive diluting device comprises a base 1 and a stirring barrel 2 fixed on the left side of the upper surface of the base 1, wherein the middle part of the upper surface of the stirring barrel 2 is rotatably connected with a rotating sleeve 3, the inner wall of the rotating sleeve 3 is rotatably connected with a rotating shaft 4, conical fluted discs 6 are fixedly sleeved on the outer surfaces of the rotating sleeve 3 and the rotating shaft 4, a driving motor 7 is fixedly connected on the left side of the upper surface of the stirring barrel 2, the model of the driving motor 7 is 1LE0001, the output end of the driving motor 7 is fixedly connected with a rotating rod 8, the right end of the rotating rod 8 is fixedly connected with a bevel gear 9, the bevel gear 9 is meshed with two groups of conical fluted discs 6, a plurality of groups of stirring plates 10 are fixedly connected on the outer surface of the rotating shaft 4, rotating plates 11 are fixedly connected on the left side and the right side of the outer surface of the rotating sleeve 3, scrapers 12 are fixedly connected on the outer side of the rotating plates 11, and a plurality of stirring rods 13 are fixedly connected on the inner side of the scrapers 12, the upper surface of the stirring barrel 2 is communicated with a feed inlet 14, the bottom of the outer surface of the stirring barrel 2 is communicated with a discharge pipe 15, the outer surface of the discharge pipe 15 is provided with a discharge valve 16, the inner wall of the bottom of the stirring barrel 2 is fixedly connected with a pressure sensor 17, the model of the pressure sensor 17 is NTJH-10, the upper surface of the pressure sensor 17 is fixedly connected with a sealing plate 18, the right side of the upper surface of the base 1 is fixedly connected with a measuring barrel 19, the right side of the outer surface of the stirring barrel 2 is fixedly connected with a water pump 21 by installing a first supporting plate 20, the model of the water pump 21 is EU-40B, the input end of the water pump 21 is communicated with the left side of the outer surface of the measuring barrel 19 through a water inlet pipe 22, the output end of the water pump 21 is communicated with the upper surface of the stirring barrel 2 through a water outlet pipe 23, the bottom of the outer surface of the water inlet pipe 22 is provided with a stop valve 24, the left side of the outer surface of the stirring barrel 2 is fixedly connected with a second supporting plate 25, the display 26, the controller 27 and the processor 28 are arranged on the upper surface of the second supporting plate 25, the model of the controller 27 is STC89C51RC-40I-PDIP40, the model of the processor 28 is X58SO, the output end of the pressure sensor 17 is electrically connected with the input end of the processor 28, the output end of the processor 28 is electrically connected with the input end of the controller 27, the output end of the controller 27 is electrically connected with the input end of the display 26, the shock absorption columns 5 are fixedly connected with four corners of the lower surface of the base 1, and the pressure sensor 17, the sealing plate 18, the measuring cylinder 19, the water pump 21 and the water inlet pipe 22 are matched for use, so that the pressure sensor 17 detects the weight of the additive in the stirring barrel 2 through the sealing plate 18, the measuring cylinder 19 detects the water volume poured into the stirring barrel 2, thereby further facilitating the matching work of the additive and water by workers, and further improving the dilution accuracy of the additive, the utility model provides a convenience for the user to use, through axis of rotation 4, rotating sleeve 3, bevel gear plate 6, bevel gear 9, stirring board 10 and puddler 13 cooperation use, make bevel gear 9 drive two sets of bevel gear plate 6 antiport, bevel gear plate 6 drives axis of rotation 4 and rotating sleeve 3 antiport, stirring board 10 stirs additive and water with puddler 13 crisscross rotation, thereby further improve the homogeneity that the additive mixes and dilutes, the probability of additive caking is reduced, the dilution quality of additive is guaranteed, through rotating sleeve 3, rotor plate 11 and scraper blade 12 cooperation use, make rotating sleeve 3 drive rotor plate 11 and rotate, rotor plate 11 drives scraper blade 12 and rotates, the inner wall of agitator 2 is hugged closely to the lateral surface of scraper blade 12 rotates, scraper blade 12 strikes off the additive caking that the adhesion is at the agitator 2 inner wall, thereby further reduce the probability that the additive adheres to on agitator 2 inner wall, the dilution accuracy of the additive is ensured, and the cleanness of the inner wall of the stirring barrel 2 is maintained.

The utility model discloses in, stability when using for further reinforcing the device, consequently shock attenuation post 5 includes the backing plate, and fixed surface is connected with the support sleeve on the backing plate, and support sleeve inner wall sliding connection has a supporting shoe, fixedly connected with spring between supporting shoe and the backing plate for shock attenuation post 5 plays the effect of shock attenuation buffering to the device bottom, thereby has further strengthened the stability when the device uses.

The utility model discloses in, in order to further strengthen the stability of 2 during operations of agitator, consequently at four group's strengthening ribs of bottom fixedly connected with of 2 surfaces of agitator, the lower surface of strengthening rib is connected with the last fixed surface of base 1 for the strengthening rib has played the effect of outrigger to agitator 2, thereby has further strengthened the stability of 2 during operations of agitator.

The utility model discloses in, for further reinforcing 4 pivoted stabilities of axis of rotation, consequently rotate in the bottom of 4 surfaces of axis of rotation and be connected with the support frame, the outer end of support frame and the inner wall fixed connection of agitator 2 for the support frame has played the effect of outrigger to 4 bottoms of axis of rotation, thereby has further strengthened 4 pivoted stabilities of axis of rotation.

The utility model discloses in, for further reinforcing closing plate 18's sealing performance, consequently the fixed sealing washer that has cup jointed on closing plate 18 surface, the thickness of sealing washer is five millimeters, and the material of sealing washer is rubber, through setting up the sealing washer to further reinforcing closing plate 18's sealing performance.

The utility model discloses in, for further reinforcing 4 pivoted stabilities of axis of rotation, consequently at the two sets of spacing draw runner of the top fixedly connected with of 4 surfaces of axis of rotation, the 3 inner walls of rotating sleeve set offer with the spacing spout of spacing draw runner looks adaptation, through spacing draw runner and the cooperation of spacing spout to further reinforcing 4 pivoted stabilities of axis of rotation.

The utility model discloses in, for further reinforcing dwang 8 pivoted stability, consequently rotate at the surface of dwang 8 and be connected with the rotation backup pad, the lower surface of rotation backup pad is connected with the last fixed surface of agitator 2 for the rotation backup pad has played the effect of stabilizing the support to dwang 8, thereby has further strengthened dwang 8 pivoted stability.

The utility model discloses in, for further reinforcing dwang 8 pivoted fluency, consequently be provided with the grease layer at rotating sleeve 3's inner wall, the thickness on rotating sleeve 3 inner wall grease layer is two five millimeters on zero to reduce the frictional force between dwang 8 and the rotating sleeve 3, further strengthened dwang 8 pivoted fluency.

The utility model discloses in, in order to further strengthen the stability that first backup pad 20 supported, consequently at two sets of bracing pieces of first backup pad 20 lower surface fixedly connected with, the bottom of bracing piece is connected with the external fixed surface of agitator 2 for two sets of bracing pieces have played the effect of stabilizing the support to the bottom of first backup pad 20, thereby have further strengthened the stability that first backup pad 20 supported.

The utility model discloses in, observe the water injection volume for further person of facilitating the use, consequently at the transparent glass board that is provided with of the front side of measuring cylinder 19 surface, the transparent glass board openly is provided with the multiunit scale mark, through setting up transparent glass board and scale mark to further made things convenient for the user to observe the water injection volume.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, an additive is put into the stirring barrel 2 through the feed inlet 14, the additive falls on the sealing plate 18, the four groups of pressure sensors 17 detect the pressure of the sealing plate 18, the pressure sensors 17 transmit signals to the processor 28, the processor 28 transmits the signals to the controller 27, the controller 27 transmits the signals to the display 26, the display 26 displays the numerical values of the four groups of pressure sensors 17, the numerical values of the four groups of pressure sensors 17 are added to obtain the weight of the additive, water is poured into the measuring barrel 19, the water volume is controlled through scale marks, the stop valve 24 is opened, the water pump 21 is started, the water pump 21 pumps out the water in the measuring barrel 19 through the water inlet pipe 22, the water is injected into the stirring barrel 2 through the water outlet pipe 23, the driving motor 7 is started, the output end of the driving motor 7 drives the bevel gear 9 to rotate through the rotating rod 8, the bevel gear 9 drives the two groups of bevel gear discs 6 to rotate in reverse directions, awl fluted disc 6 drives axis of rotation 4 and the 3 antiport of rotating sleeve, and axis of rotation 4 drives stirring board 10 and rotates, and rotating sleeve 3 drives rotor plate 11 and scraper blade 12 and rotates, and stirring board 10 stirs additive and water with the crisscross rotation of puddler 13, and after the stirring, open discharge valve 16, the additive after diluting passes through discharging pipe 15 and discharges.

In conclusion, this special mortar additive dilutes equipment uses through pressure sensor 17, closing plate 18, measuring cylinder 19, water pump 21 and inlet tube 22 cooperation for pressure sensor 17 detects the inside additive weight of agitator 2 through closing plate 18, and measuring cylinder 19 detects the water capacity of pouring into agitator 2 inside, thereby has further made things convenient for the staff to the ratio work of additive with water, has further improved the accuracy nature of additive dilution, has made things convenient for the user to use.

This special mortar additive dilutes equipment, through axis of rotation 4, rotating sleeve 3, bevel gear 6, bevel gear 9, stirring board 10 and puddler 13 cooperation are used, make bevel gear 9 drive two sets of 6 antiport of bevel gear, bevel gear 6 drives axis of rotation 4 and rotating sleeve 3 antiport, stirring board 10 stirs additive and water with the crisscross rotation of puddler 13, thereby further improved the homogeneity that the additive mixes the dilution, the probability of additive caking has been reduced, the dilution quality of additive has been guaranteed.

This special mortar additive dilutes equipment, through rotating sleeve pipe 3, rotor plate 11 and scraper blade 12 cooperation are used, make rotating sleeve pipe 3 drive rotor plate 11 and rotate, rotor plate 11 drives scraper blade 12 and rotates, the inner wall that agitator 2 was hugged closely to the lateral surface of scraper blade 12 rotates, scraper blade 12 strikes off the additive caking of adhesion at 2 inner walls of agitator, thereby further reduced the probability of additive on adhering to 2 inner walls of agitator, the additive dilution accuracy has been guaranteed, the cleanness of 2 inner walls of agitator has been maintained.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special type mortar additive dilutes equipment, includes base (1) and fixes agitator (2) on base (1) upper surface left side, its characterized in that: the stirring device is characterized in that the middle of the upper surface of the stirring barrel (2) is rotatably connected with a rotating sleeve (3), the inner wall of the rotating sleeve (3) is rotatably connected with a rotating shaft (4), the outer surfaces of the rotating sleeve (3) and the rotating shaft (4) are fixedly sleeved with conical fluted discs (6), the left side of the upper surface of the stirring barrel (2) is fixedly connected with a driving motor (7), the output end of the driving motor (7) is fixedly connected with a rotating rod (8), the right end of the rotating rod (8) is fixedly connected with bevel gears (9), the bevel gears (9) are meshed with two groups of conical fluted discs (6), the outer surface of the rotating shaft (4) is fixedly connected with a plurality of groups of stirring plates (10), the left side and the right side of the outer surface of the rotating sleeve (3) are fixedly connected with rotating plates (11), the outer side of the rotating plates (11) is fixedly connected with scraping plates (12), and the inner side of the scraping plates (12) is fixedly connected with a plurality of groups of stirring rods (13), the upper surface of the stirring barrel (2) is communicated with a feed inlet (14), the bottom of the outer surface of the stirring barrel (2) is communicated with a discharge pipe (15), a discharge valve (16) is arranged on the outer surface of the discharge pipe (15), a pressure sensor (17) is fixedly connected to the inner wall of the bottom of the stirring barrel (2), a sealing plate (18) is fixedly connected to the upper surface of the pressure sensor (17), a measuring barrel (19) is fixedly connected to the right side of the upper surface of the base (1), a water pump (21) is fixedly connected to the right side of the outer surface of the stirring barrel (2) through a first supporting plate (20), the input end of the water pump (21) is communicated with the left side of the outer surface of the measuring barrel (19) through a water inlet pipe (22), the output end of the water pump (21) is communicated with the upper surface of the stirring barrel (2) through a water outlet pipe (23), and a stop valve (24) is arranged at the bottom of the outer surface of the water inlet pipe (22), agitator (2) surface left side fixedly connected with second backup pad (25), second backup pad (25) upper surface is provided with display (26), controller (27) and treater (28), the output of pressure sensor (17) is connected with the input electricity of treater (28), the output of treater (28) is connected with the input electricity of controller (27), the output of controller (27) is connected with the input electricity of display (26), the equal fixedly connected with shock attenuation post (5) in four corners of base (1) lower surface.

2. A special mortar additive diluting device according to claim 1, characterized in that: the shock absorption column (5) comprises a base plate, a supporting sleeve is fixedly connected to the upper surface of the base plate, a supporting block is connected to the inner wall of the supporting sleeve in a sliding mode, and a spring is fixedly connected between the supporting block and the base plate.

3. A special mortar additive diluting device according to claim 1, characterized in that: the bottom of the outer surface of the stirring barrel (2) is fixedly connected with four groups of reinforcing ribs, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the base (1).

4. A special mortar additive diluting device according to claim 1, characterized in that: the bottom of axis of rotation (4) surface rotates and is connected with the support frame, the outer end of support frame and the inner wall fixed connection of agitator (2).

5. A special mortar additive diluting device according to claim 1, characterized in that: the outer surface of the sealing plate (18) is fixedly sleeved with a sealing ring, the thickness of the sealing ring is five millimeters, and the sealing ring is made of rubber.

6. A special mortar additive diluting device according to claim 1, characterized in that: the top of the outer surface of the rotating shaft (4) is fixedly connected with two groups of limiting sliding strips, and the inner wall of the rotating sleeve (3) is provided with a limiting sliding groove matched with the limiting sliding strips.

7. A special mortar additive diluting device according to claim 1, characterized in that: the surface of dwang (8) rotates and is connected with the rotation backup pad, rotates the upper surface fixed connection of the lower surface of backup pad and agitator (2).

8. A special mortar additive diluting device according to claim 1, characterized in that: the inner wall of the rotating sleeve (3) is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the inner wall of the rotating sleeve (3) is two to five millimeters at zero.

9. A special mortar additive diluting device according to claim 1, characterized in that: two groups of support rods are fixedly connected to the lower surface of the first support plate (20), and the bottom ends of the support rods are fixedly connected with the outer surface of the stirring barrel (2).

10. A special mortar additive diluting device according to claim 1, characterized in that: the front side of the outer surface of the measuring cylinder (19) is provided with a transparent glass plate, and the front side of the transparent glass plate is provided with a plurality of groups of scale marks.