High-precision cement mortar fluidity tester
By using a split grid, hydraulic push rod and turbine pulley system in the cement sand flow measurer, the problem of vibration in the existing technology is solved, and the natural and uniform flow of cement sand and the accuracy of measurement is improved.
Patent Information
- Application Number
- CN202420998109.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing cement grit sand flow rate measuring instruments are likely to affect the natural flowability of cement grit sand during use, resulting in uneven flow rates and affecting the measurement quality.
A high-precision cement rubber sand flow measurer is designed, using a structure such as diversion network table, extension board, slider, slide chute, support plate, inclined block, hydraulic push rod, etc. The uniform flow of cement rubber sand is achieved through the swing of the diversion network table and the push rod of the hydraulic push rod, and the flow degree is measured through the turbine and pulley system.
Through the swing of the diversion network table and the push of the hydraulic push rod, the natural and uniform flow of cement sand is achieved, avoiding the impact of vibration on the flowability, and improving the accuracy of measurement.
Smart Images
Figure CN222545191U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cement mortar measurement, in particular to a high-precision cement mortar fluidity measuring instrument. Background Art
[0002] The fluidity of cement mortar is a measure of the fluidity of cement mortar. Under a certain amount of water, the fluidity depends on the water demand of cement. The fluidity is expressed as the average diameter of the cement mortar spread on the flow table.
[0003] When using the common cement mortar flowability tester in the existing technology, firstly, sand, water and cement are mixed in a certain proportion through a mortar mixer, and then the prepared mortar is placed in the ring cup on the top of the placement plate, and the mortar is vibrated by a vibrating rod. This method is easy to affect the natural fluidity of the cement mortar, and the flow rate is easily affected by the vibration, resulting in uneven flow rate, affecting the measurement quality. For this reason, we propose a high-precision cement mortar flowability tester. Utility Model Content
[0004] The utility model provides a high-precision cement mortar fluidity tester, which solves the above-mentioned technical problems.
[0005] The utility model solves the above-mentioned technical problems as follows: it includes a measuring transfer box and a machine base, the measuring transfer box is movably provided with a diversion network platform inside, both ends of the diversion network platform are connected to extension plates, one end of multiple extension plates are connected to sliders, the inner wall of the measuring transfer box is provided with multiple slide grooves slidably matched with the sliders, the lower surface of the measuring transfer box is fixedly connected with a support plate, the interior of the measuring transfer box is movably installed with a dredging tooth plate, the outer surface of the measuring transfer box is fixedly installed with a hydraulic push rod, the protruding end of the hydraulic push rod passes through the measuring transfer box and is fixedly connected to the dredging tooth plate, the interior of the measuring transfer box is fixedly installed with an inclined block, and the upper surface of the support plate is provided with a through opening.
[0006] Preferably, a plurality of columns are fixedly mounted on the upper surface of the base, and the four corners of the support plate are fixedly connected to the upper ends of the columns respectively.
[0007] Preferably, a measuring channel is fixedly installed on the bottom end of the support plate, and the measuring channel corresponds to the through opening. Two measuring rate rods are rotatably installed on the upper and lower sides of the inner side of the measuring channel, and a plurality of measuring blades are annularly connected to the outer surfaces of the measuring rate rods. One end of the two measuring rate rods passing through the measuring channel is fixedly covered with a pulley on the outer surface, and the two pulleys are connected by belts, and the other end of one of the measuring rate rods passes through the outer surface of the measuring channel and is fixedly covered with a third turbine, and a sealing door is rotatably installed on the bottom end of the measuring channel.
[0008] Preferably, a driving motor is fixedly mounted on the upper surface of the base, the output shaft of the driving motor is fixedly connected to a rotating shaft, the outer surface of the rotating shaft is fixedly mounted with a first turbine, a worm gear matching the first turbine is rotatably mounted on one end of the measuring channel, and one end of the worm gear is meshed with a third turbine.
[0009] Preferably, a conveying channel is fixedly installed on the upper surface of the machine base, a conveying blade is rotatably installed inside the conveying channel, a feed hopper is arranged on the upper surface of the conveying channel, a conveying motor is fixedly installed at one end of the conveying channel, the output shaft of the conveying motor is fixedly connected to the central axis of the conveying blade, a discharge hopper is rotatably installed at one end of the conveying channel, and the discharge hopper passes through the measuring transfer box and enters the interior to correspond to the diversion network table.
[0010] Preferably, a short shaft is rotatably mounted on one end of the measuring transfer box, a turntable is fixedly mounted on the upper surface of the short shaft, a traction rod is fixedly connected to the upper surface of the turntable, an opening is opened at one end of the measuring transfer box, one end of the traction rod passes through the opening and is rotatably connected to the diversion network table, a second gear is fixedly mounted on the outer surface of the short shaft, and a first gear meshing with the second gear is fixedly mounted on the upper outer surface of the rotating shaft.
[0011] The beneficial effects of the utility model are:
[0012] The liquid flows to the inclined block through the swing of the diversion network. The first turbine rotates under the rotation of the shaft, driving the vortex rod to rotate. The cement mortar flows from the inclined block and falls into the measuring channel from the opening. The rotation of the vortex rod drives the third turbine to rotate, thereby driving the lower measuring rate rod to rotate, and at the same time driving the pulley at one end of the measuring rate rod to rotate, and then driving the upper pulley to rotate through the belt, driving the upper measuring rate rod to rotate, so that the two measuring rate rods rotate at the same time and drive the measuring blades to rotate to measure the fluidity of the incoming cement mortar. The fluidity of the cement mortar is measured by measuring the rotation speed of the blades, and the data is transmitted to the external controller, which is conducive to the automatic circulation of the cement mortar and avoids external influences. It is evenly dispersed with a high natural flow rate, thereby improving the accuracy of the measurement.
[0013] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0015] Figure 1 The utility model provides a high-precision cement mortar fluidity measuring instrument;
[0016] Figure 2 A half-section structural schematic diagram of a high-precision cement mortar fluidity tester is provided for the utility model;
[0017] Figure 3 The utility model provides a high-precision cement mortar fluidity measuring instrument, which includes a measuring transfer box and a measuring channel, and a schematic diagram of the internal structure of the cross section;
[0018] Figure 4 The utility model provides a schematic diagram of the internal structure of a measuring transfer box of a high-precision cement mortar fluidity measuring instrument;
[0019] Figure 5 The utility model provides a schematic diagram of the side structure of a measuring transfer box and a measuring channel of a high-precision cement mortar fluidity measuring instrument.
[0020] Legend:
[0021] 1. Measuring transfer box; 2. First gear; 3. Hydraulic push rod; 4. Through port; 5. Rotating shaft; 6. Column; 7. Measuring channel; 10. Turbine; 11. Driving motor; 12. First turbine; 15. Support plate; 16. Machine base; 18. Conveying motor; 19. Feed hopper; 20. Conveying channel; 21. Second gear; 22. Short shaft; 23. Drawbar; 24. Turntable; 25. Opening; 27. Discharging hopper; 28. Diversion network table; 31. Inclined block; 33. Pulley; 34. Measuring blade; 35. Measuring rate rod; 37. Third turbine; 38. Dredging tooth plate; 39. Slide; 40. Extension plate; 41. Sliding block; 42. Conveying blade. DETAILED DESCRIPTION
[0022] The following is combined with Figure 1-5 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.
[0023] Example 1
[0024] like Figure 1-5 As shown, the utility model includes a measuring transfer box 1 and a base 16, a shunting net platform 28 is movably arranged inside the measuring transfer box 1, both ends of the shunting net platform 28 are connected to extension plates 40, one end of each of the plurality of extension plates 40 is connected to a slider 41, a plurality of slide grooves 39 slidably matched with the slider 41 are opened on the inner wall of the measuring transfer box 1, a support plate 15 is fixedly connected to the lower surface of the measuring transfer box 1, a dredging tooth plate 38 is movably installed inside the measuring transfer box 1, a hydraulic push rod 3 is fixedly installed on the outer surface of the measuring transfer box 1, and the protruding end of the hydraulic push rod 3 passes through the measuring transfer box 1 and The dredging tooth plate 38 is fixedly connected, the interior of the measuring transfer box 1 is fixedly installed with an inclined block 31, the upper surface of the support plate 15 is provided with a through hole 4, the upper surface of the base 16 is fixedly installed with a plurality of columns 6, the four corners of the support plate 15 are respectively fixedly connected to the upper ends of the columns 6, the upper surface of the base 16 is fixedly installed with a conveying channel 20, the interior of the conveying channel 20 is rotatably installed with a conveying blade 42, the upper surface of the conveying channel 20 is provided with a feed hopper 19, and one end of the conveying channel 20 is fixedly installed with a conveying motor 18, and the output shaft of the conveying motor 18 is fixedly connected to the central axis of the conveying blade 42 , a discharge hopper 27 is rotatably installed at one end of the conveying channel 20, and the discharge hopper 27 passes through the measuring transfer box 1 and enters the interior corresponding to the diversion network table 28, and the switches of the conveying motor 18 and the driving motor 11 are turned on, and cement mortar is fed from the feed hopper 19. Under the operation of the conveying motor 18, the output shaft drives the conveying blade 42 to rotate, and the cement mortar entering the conveying channel 20 is pushed to the discharge hopper 27 and flows into the diversion network table 28 in the measuring transfer box 1. At this time, the hydraulic push rod 3 is controlled from the external controller to open the extended end to push the dredging tooth plate 38 above the diversion network table 28. The accumulated materials on the diversion net table 28 are pushed back and forth to be scattered, and then the rotating shaft 5 is driven to rotate under the operation of the driving motor 11, and the first gear 2 is driven to rotate, and the second gear 21 engaged therewith is rotated accordingly, thereby driving the short shaft 22 to rotate and the turntable 24 to rotate. The traction rod 23 drives the diversion net table 28 to swing with the circumferential rotation of the turntable 24. After the diversion net table 28 swings, it drives the extension plate 40 to move, thereby driving the slider 41 to slide back and forth in the slide groove 39. After the diversion net table 28 shakes back and forth, the cement mortar at the upper end continuously flows and disperses, making it flow evenly to avoid accumulation.
[0025] Example 2
[0026] like Figure 1-3 as well as Figure 5As shown, a measuring channel 7 is fixedly installed at the bottom end of the support plate 15, and the measuring channel 7 corresponds to the through port 4. Two measuring rate rods 35 are rotatably installed on the upper and lower sides of the inner side of the measuring channel 7, and a plurality of measuring blades 34 are connected in an annular manner on the outer surface of the measuring rate rods 35. The two measuring rate rods 35 pass through one end of the measuring channel 7 and are fixedly sleeved with a pulley 33 on the outer surface. The two pulleys 33 are connected by belts, and the other end of one of the measuring rate rods 35 passes through the measuring channel 7 and is fixedly sleeved with a third turbine 37 on the outer surface. A sealing door is rotatably installed at the bottom end of the measuring channel 7, a driving motor 11 is fixedly installed on the upper surface of the base 16, and a rotating shaft 5 is fixedly connected to the output shaft of the driving motor 11, and a first turbine 12 is fixedly sleeved on the outer surface of the rotating shaft 5, and a vortex rod 10 matching the first turbine 12 is rotatably installed at one end of the measuring channel 7, and one end of the vortex rod 10 is meshed with the third turbine 37, and a short shaft 22 is rotatably installed at one end of the measuring transfer box 1, and the upper surface of the short shaft 22 is fixed A turntable 24 is mounted, and a traction rod 23 is fixedly connected to the upper surface of the turntable 24. An opening 25 is opened at one end of the measuring transfer box 1. One end of the traction rod 23 passes through the opening 25 and is rotatably connected to the diversion network platform 28. The outer surface of the short shaft 22 is fixedly mounted with a second gear 21, and the upper outer surface of the rotating shaft 5 is fixedly mounted with a first gear 2 meshing with the second gear 21. Under the swing of the diversion network platform 28, the flow flows to the inclined block 31. Under the rotation of the rotating shaft 5, the first turbine 12 rotates, driving the vortex rod 10 to rotate, and the cement mortar flows from the inclined block 31 and falls into the measuring channel 7 from the through port 4. The rotation of the vortex rod 10 drives the third turbine 37 to rotate, thereby driving the lower measuring rate rod 35 to rotate, and at the same time drives the pulley 33 at one end of the measuring rate rod 35 to rotate, and then drives the upper pulley 33 to rotate through the belt, driving the upper measuring rate rod 35 to rotate, so that the two measuring rate rods 35 rotate at the same time and drive the measuring blade 34 to rotate to detect the fluidity of the incoming cement mortar.
[0027] Working principle:
[0028] During use, the user operates the external controller to first turn on the switches of the conveying motor 18 and the driving motor 11, and feeds the cement mortar from the feed hopper 19. When the conveying motor 18 is running, the output shaft drives the conveying blades 42 to rotate, and pushes the cement mortar entering the conveying channel 20 to the discharge hopper 27 and flows into the diversion network table 28 in the measurement transfer box 1. At this time, the external controller controls the hydraulic push rod 3 to open the extended end to push the dredging tooth plate 38 to move above the diversion network table 28 to push the accumulated material on the diversion network table 28 back and forth to disperse it, and then drives the rotating shaft 5 to rotate under the operation of the driving motor 11, and drives the first gear 2 to rotate and then the meshing second gear 21 to rotate, thereby driving the short shaft 22 to rotate and then the turntable 24 to rotate, and the traction rod 23 drives the diversion network table 28 to swing with the circumferential rotation of the turntable 24, and the diversion After the network table 28 swings, it drives the extension plate 40 to move, thereby driving the slider 41 to slide back and forth in the slide groove 39. After the diversion network table 28 shakes back and forth, the cement mortar at the upper end continues to flow and spread, making it flow evenly to avoid accumulation. Under the swing of the diversion network table 28, it flows to the inclined block 31. Under the rotation of the rotating shaft 5, the first turbine 12 rotates, driving the worm rod 10 to rotate, and the cement mortar flows from the inclined block 31 and falls into the measuring channel 7 from the opening 4. The rotation of the worm rod 10 drives the third turbine 37 to rotate, thereby driving the lower measuring rate rod 35 to rotate, and at the same time drives the pulley 33 at one end of the measuring rate rod 35 to rotate, and then drives the upper pulley 33 to rotate through the belt, driving the upper measuring rate rod 35 to rotate, so that the two measuring rate rods 35 rotate at the same time and drive the measuring blade 34 to rotate to detect the fluidity of the incoming cement mortar.
[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.
Claims
1. A high-precision cement mortar fluidity measuring instrument, comprising a measuring transfer box (1) and a machine base (16), characterized in that: The measuring transfer box (1) is provided with a shunting net platform (28) movably arranged inside, and both ends of the shunting net platform (28) are connected with extension plates (40), and one end of each of the extension plates (40) is connected with a slider (41). The inner wall of the measuring transfer box (1) is provided with a plurality of slide grooves (39) slidably matched with the slider (41). The lower surface of the measuring transfer box (1) is fixedly connected with a support plate (15). The measuring transfer box (1) is provided with a dredging tooth plate (38) movably arranged inside, and the outer surface of the measuring transfer box (1) is fixedly provided with a hydraulic push rod (3), and the protruding end of the hydraulic push rod (3) passes through the measuring transfer box (1) and is fixedly connected with the dredging tooth plate (38). The measuring transfer box (1) is provided with an inclined block (31) fixedly arranged inside, and the upper surface of the support plate (15) is provided with a through opening (4).
2. A high-precision cement mortar fluidity tester according to claim 1, characterized in that: A plurality of columns (6) are fixedly mounted on the upper surface of the machine base (16), and the four corners of the support plate (15) are respectively fixedly connected to the upper ends of the columns (6).
3. A high-precision cement mortar fluidity tester according to claim 1, characterized in that: A measuring channel (7) is fixedly installed at the bottom end of the support plate (15), and the measuring channel (7) corresponds to the through port (4). Two measuring rate rods (35) are rotatably installed on the inner side of the measuring channel (7) at the top and bottom, and a plurality of measuring blades (34) are annularly connected to the outer surface of the measuring rate rod (35). The outer surface of one end of the two measuring rate rods (35) passing through the measuring channel (7) is fixedly sleeved with a pulley (33), and the two pulleys (33) are connected by a belt, and the other end of one of the measuring rate rods (35) passes through the outer surface of the measuring channel (7) and is fixedly sleeved with a third turbine (37), and a sealing door is rotatably installed at the bottom end of the measuring channel (7).
4. A high-precision cement mortar fluidity tester according to claim 3, characterized in that: A driving motor (11) is fixedly mounted on the upper surface of the machine base (16); an output shaft of the driving motor (11) is fixedly connected to a rotating shaft (5); a first turbine (12) is fixedly mounted on the outer surface of the rotating shaft (5); a worm rod (10) matching the first turbine (12) is rotatably mounted on one end of the measuring channel (7); one end of the worm rod (10) is meshed with a third turbine (37).
5. A high-precision cement mortar fluidity tester according to claim 1, characterized in that: A conveying channel (20) is fixedly mounted on the upper surface of the machine base (16), a conveying blade (42) is rotatably mounted inside the conveying channel (20), a feed hopper (19) is arranged on the upper surface of the conveying channel (20), a conveying motor (18) is fixedly mounted on one end of the conveying channel (20), an output shaft of the conveying motor (18) is fixedly connected to the central axis of the conveying blade (42), a discharge hopper (27) is rotatably mounted on one end of the conveying channel (20), and the discharge hopper (27) passes through the measuring transfer box (1) and enters the interior to correspond to the diversion network table (28).
6. A high-precision cement mortar fluidity tester according to claim 4, characterized in that: A short shaft (22) is rotatably mounted on one end of the measuring transfer box (1); a turntable (24) is fixedly mounted on the upper surface of the short shaft (22); a traction rod (23) is fixedly connected to the upper surface of the turntable (24); an opening (25) is provided at one end of the measuring transfer box (1); one end of the traction rod (23) passes through the opening (25) and is rotatably connected to a diversion network table (28); a second gear (21) is fixedly mounted on the outer surface of the short shaft (22); and a first gear (2) meshing with the second gear (21) is fixedly mounted on the upper outer surface of the rotating shaft (5).