High-speed centrifugal device for quickly detecting storage stability of emulsified asphalt

Abstract

The utility model discloses a high-speed centrifugal device for quickly detecting the storage stability of emulsified asphalt, relates to the technical field of emulsified asphalt, and aims to solve the problems that in the prior art, whether an obvious precipitation phenomenon occurs after long-term storage or not is detected by adopting a traditional static precipitation mode, but natural precipitation needs too long time, and the detection time is short. And the test efficiency is not high enough. A centrifugal sleeve is arranged in the machine shell, a reagent sample tube is arranged in the centrifugal sleeve, the bottom of the centrifugal sleeve is rotationally connected with a supporting seat, a rotating shaft connected with the centrifugal sleeve is arranged in the supporting seat, and a servo motor used for driving the rotating shaft to rotate is arranged in the machine shell. A driven gear is arranged on the outer side of the rotating shaft, the output end of the servo motor is connected with a driving shaft, a driving gear is arranged at one end of the driving shaft, the driving gear is in meshed connection with the driven gear, a bracket is arranged at the bottom of the reagent sample tube, and a spring is arranged below the bracket. And a sealing pressure plate for pressing the reagent sample tube is arranged in the machine cover.

Description

Technical Field

[0001] The utility model relates to the technical field of emulsified asphalt, in particular to a high-speed centrifugal device for quickly detecting the storage stability of emulsified asphalt. Background Technique

[0002] Emulsified asphalt is a viscous asphalt dispersed in water containing an emulsifier-stabilizer in the form of micro-droplets under the action of a high-shear mechanical force, forming an oil-in-water (O / W) type asphalt emulsion. After the production of emulsified asphalt is completed, it is necessary to take samples for detection;

[0003] One of the important indicators for evaluating the quality of emulsified asphalt is to detect its long-term storage stability. At present, the industry standard is to use the traditional static precipitation method to detect whether obvious precipitation occurs after long-term storage. However, natural static precipitation takes too much time, and the test detection efficiency is not high enough. Therefore, there is an urgent need in the market to develop a high-speed centrifugal device for quickly detecting the storage stability of emulsified asphalt to help people solve existing problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a comprehensive device for high-speed centrifugation and sampling detection for quickly detecting the storage stability of emulsified asphalt, so as to solve the problem that the traditional static precipitation method is currently used to detect whether obvious precipitation occurs after long-term storage, but natural precipitation takes too much time and the test efficiency is not high enough as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A high-speed centrifugal device for quickly detecting the storage stability of emulsified asphalt, including a machine shell and a machine cover. A centrifugal sleeve is arranged inside the machine shell, a reagent sample tube is arranged inside the centrifugal sleeve, a support seat is rotatably connected to the bottom of the centrifugal sleeve, a rotating shaft connected to the centrifugal sleeve is arranged inside the support seat, and a servo motor for driving the rotating shaft to rotate is arranged inside the machine shell.

[0006] Through the above technical solution, the emulsified asphalt to be detected is poured into the reagent sample tube, and then the reagent sample tube is inserted into the centrifugal sleeve. The servo motor is used to drive the centrifugal sleeve to rotate, so that the emulsified asphalt in the reagent sample tube quickly precipitates under the action of centrifugal force, thus greatly reducing the precipitation time in the natural state. At the same time, multiple reagent sample tubes can be arranged inside the centrifugal sleeve, so that a large number of detection works can be carried out. And the servo motor can be fixed at a set rotation speed according to requirements to drive the centrifugal sleeve to rotate at 4,000 revolutions per minute, thus greatly improving the precipitation efficiency and accelerating the detection efficiency of emulsified asphalt.

[0007] In a preferred embodiment, the present utility model can be further configured as follows: a driven gear is arranged on the outer side of the rotating shaft, the output end of the servo motor is connected to a driving shaft, a driving gear is arranged at one end of the driving shaft, and the driving gear is meshed and connected with the driven gear.

[0008] Through the above technical solution, the servo motor is used to drive the driving shaft to drive the driving gear to rotate, and the driving gear drives the rotating shaft to rotate through the driven gear.

[0009] In a preferred embodiment, the present utility model can be further configured as follows: a sealing plug is rotatably connected to the bottom of the reagent sample tube, a channel is arranged below the sealing plug in the centrifugal sleeve, a sealing rubber sleeve is arranged in the channel, a sampling tube is arranged in the machine shell, a transfer box is arranged at the top of the sampling tube, a sampling connector is arranged on the outer side of the machine shell, the sampling connector and the transfer box are communicated through a hose, a lifting device is arranged in the machine shell, the transfer box is slidably connected with the lifting device, a screw rod is rotatably connected in the lifting device, a screw rod seat is threadedly connected to the outer side of the screw rod, the screw rod seat is connected with the transfer box through a connecting seat, a driven wheel is arranged on the outer side of the screw rod, a driving device is arranged on the outer side of the lifting device, and a driving wheel is arranged at the output end of the driving device, and the driving wheel is in transmission connection with the driven wheel.

[0010] Through the above technical solution, a sampling connector is arranged on the outer side of the machine shell, a sampling tube that can be inserted into the reagent sample tube is arranged inside the machine shell, and the sampling tube is communicated with the sampling connector, so that after the centrifugal work of the reagent sample tube is completed, targeted sampling work can be carried out on the bottom of the reagent sample tube, and then the sample at the bottom of the reagent sample tube is compared with the sample at the top of the reagent sample tube to improve the experimental efficiency.

[0011] In a preferred embodiment, the present utility model can be further configured as follows: a fixing seat is arranged inside the machine cover, a sealing pressure plate is rotatably connected below the fixing seat, and the sealing pressure plate is attached to the top of the reagent sample tube.

[0012] Through the above technical solution, the fixing seat is used to limit the sealing pressure plate, so that the sealing pressure plate can rotate along with the centrifugal sleeve.

[0013] In a preferred embodiment, the present utility model can be further configured as follows: a stable roller is attached to the outer side of the centrifugal sleeve, the stable roller is rotatably connected with the machine shell through a shaft seat, and a rubber pad that fits with the stable roller is arranged inside the machine shell.

[0014] Through the above technical solution, by arranging the stable roller and the rubber pad, the centrifugal sleeve has resistance when rotating, so that it can stop rotating quickly after the rotation ends, playing a role in driving the centrifugal sleeve to stop rotating, and thus the reagent sample tube can be taken out more quickly, improving the working efficiency of this centrifugal device.

[0015] In a preferred embodiment, the present utility model can be further configured as follows: a lock seat is provided on the front end face of the casing, a lock head is provided on the front end face of the machine cover, the lock head engages with the lock seat, an operation table is provided on the front end face of the casing, and a power socket is provided on the rear end face of the casing.

[0016] Through the above technical solution, the centrifugal device is operated by the operation table, the machine cover and the casing are fixed by the lock head and the lock seat, and the centrifugal device is powered by the power socket.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. In this utility model, the emulsified asphalt to be detected is poured into the reagent sample tube, and then the reagent sample tube is inserted into the centrifugal sleeve. The servo motor is used to drive the centrifugal sleeve to rotate, so that the emulsified asphalt in the reagent sample tube quickly precipitates under the action of centrifugal force, thus greatly reducing the precipitation time. At the same time, multiple reagent sample tubes can be arranged in the centrifugal sleeve, so that a large number of detection works can be carried out. And the servo motor can be fixed at a set rotational speed according to requirements to drive the centrifugal sleeve to rotate at 4000 revolutions per minute, so that the precipitation efficiency can be greatly improved and the detection efficiency of the emulsified asphalt can be accelerated.

[0019] 2. In this utility model, a sampling connector is provided on the outer side of the casing, and a sampling tube into which the reagent sample tube can be inserted is provided inside the casing. The sampling tube is communicated with the sampling connector, so that after the centrifugal work of the reagent sample tube is completed, targeted sampling work can be carried out on the bottom of the reagent sample tube, and then the sample at the bottom of the reagent sample tube is compared with the sample at the top of the reagent sample tube to improve the experimental efficiency.

[0020] 3. By setting the stabilizing roller and the rubber pad in this utility model, the centrifugal sleeve has resistance when rotating, so that it can stop rotating quickly after the rotation ends, playing a role in driving the centrifugal sleeve to stop rotating, and thus the reagent sample tube can be taken out more quickly, improving the working efficiency of this centrifugal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic internal structure diagram of a high-speed centrifugal device for rapid detection of the storage stability of emulsified asphalt according to the present utility model;

[0022] Figure 2 It is a front view of a high-speed centrifugal device for rapid detection of the storage stability of emulsified asphalt according to the present utility model;

[0023] Figure 3 It is a rear view of a high-speed centrifugal device for rapid detection of the storage stability of emulsified asphalt according to the present utility model;

[0024] Figure 4 It is an enlarged schematic view of the position A in the figure of the present utility model;

[0025] Figure 5 It is an enlarged schematic view of the position B in the figure of the present utility model.

[0026] In the figure: 1. Machine shell; 2. Machine cover; 3. Centrifugal sleeve; 4. Support seat; 5. Rotating shaft; 6. Driven gear; 7. Servo motor; 8. Driving shaft; 9. Driving gear; 10. Reagent sample tube; 11. Sealing plug; 12. Sealing rubber sleeve; 13. Stabilizing roller; 14. Rubber pad; 15. Sealing pressure plate; 16. Fixed seat; 17. Operating table; 18. Lock head; 19. Lock seat; 20. Power socket; 21. Sampling tube; 22. Sampling connector; 23. Transfer box; 24. Lifting device; 25. Screw rod; 26. Screw rod seat; 27. Driven wheel; 28. Driving device; 29. Driving wheel. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0028] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0030] Please refer to Figure 1, an embodiment provided by the present utility model: a high-speed centrifugation device for rapid detection of the storage stability of emulsified asphalt, comprising a machine shell 1 and a machine cover 2. A centrifugation sleeve 3 is arranged inside the machine shell 1, and a reagent sample tube 10 is arranged inside the centrifugation sleeve 3. A support seat 4 is rotatably connected to the bottom of the centrifugation sleeve 3. A rotating shaft 5 connected to the centrifugation sleeve 3 is arranged inside the support seat 4. A servo motor 7 for driving the rotation of the rotating shaft 5 is arranged inside the machine shell 1. The servo motor 7 is fixed to the machine shell 1 by bolts. The rotating shaft 5 is fixed to the centrifugation sleeve 3 by bolts. The rotating shaft 5 is rotatably connected to the support seat 4 through a bearing.

[0031] Please refer to Figure 1 , a driven gear 6 is arranged on the outer side of the rotating shaft 5. The output end of the servo motor 7 is connected to a drive shaft 8. A drive gear 9 is arranged at one end of the drive shaft 8. The drive gear 9 is meshed with the driven gear 6. The driven gear 6 is fixedly connected to the rotating shaft 5 through a fastening screw. The drive shaft 8 is fixed to the servo motor 7 through a bushing. The drive gear 9 is fixed to the drive shaft 8 through a fastening screw.

[0032] Please refer to Figure 1 , Figure 4 and Figure 5 , a sealing plug 11 is rotatably connected to the bottom of the reagent sample tube 10. A channel is arranged inside the centrifugation sleeve 3 below the sealing plug 11. A sealing rubber sleeve 12 is arranged inside the channel. A sampling tube 21 is arranged inside the machine shell 1. A transfer box 23 is arranged at the top of the sampling tube 21. A sampling connector 22 is arranged on the outer side of the machine shell 1. The sampling connector 22 is communicated with the transfer box 23 through a hose. A lifting device 24 is arranged inside the machine shell 1. The transfer box 23 is slidably connected to the lifting device 24. A screw rod 25 is rotatably connected inside the lifting device 24. A screw rod seat 26 is threadedly connected to the outer side of the screw rod 25. The screw rod seat 26 is connected to the transfer box 23 through a connecting seat. A driven wheel 27 is arranged on the outer side of the screw rod 25. A driving device 28 is arranged on the outer side of the lifting device 24. A driving wheel 29 is arranged at the output end of the driving device 28. The driving wheel 29 is in transmission connection with the driven wheel 27. A return spring is arranged at the connection part between the sealing plug 11 and the reagent sample tube 10. The sampling tube 21 can pass through the channel and insert into the inside of the reagent sample tube 10. The driving device 28 is fixed to the lifting device 24 through a fastening screw. The lifting device 24 is fixed to the machine shell 1 through a fastening screw. The driven wheel 27 is fixed to the screw rod 25 through a fastening screw. The driven wheel 27 is in rotational connection with the driving wheel 29 through a belt.

[0033] Please refer to Figure 1 , a fixing seat 16 is arranged inside the machine cover 2. A sealing pressing disc 15 is rotatably connected below the fixing seat 16. The sealing pressing disc 15 is attached to the top of the reagent sample tube 10.

[0034] Please refer to Figure 1, a stabilizing roller 13 is attached to the outer side of the centrifugal sleeve 3. The stabilizing roller 13 is rotatably connected to the casing 1 through a shaft seat. A rubber pad 14 that fits the stabilizing roller 13 is arranged inside the casing 1.

[0035] Please refer to Figure 2 and Figure 3 , a lock seat 19 is arranged on the front end face of the casing 1, a lock head 18 is arranged on the front end face of the machine cover 2. The lock head 18 engages with the lock seat 19. An operating platform 17 is arranged on the front end face of the casing 1, and a power socket 20 is arranged on the rear end face of the casing 1. The structures of the lock seat 19 and the lock head 18 are common locking structures.

[0036] Working principle: During use, inject emulsified asphalt into the interior of the reagent sample tube 10, then insert the reagent sample tube 10 into the interior of the centrifugal sleeve 3, then cover the machine cover 2 so that the sealing pressure plate 15 presses the upper part of the reagent sample tube 10, and then fix it through the lock head 18 and the lock seat 19. Then use the operating platform 17 to control the servo motor 7 to work. The servo motor 7 will drive the drive shaft 8 to rotate. The drive shaft 8 will drive the rotating shaft 5 to rotate through the drive gear 9 and the driven gear 6. The rotating shaft 5 drives the centrifugal sleeve 3 to rotate, thereby performing centrifugal work on the emulsified asphalt in the reagent sample tube 10 to accelerate the precipitation speed of the emulsified asphalt. After the centrifugal work is completed, start the driving device 28. The driving device 28 drives the driving wheel 29 to rotate. The driving wheel 29 drives the screw 25 to rotate through the driven wheel 27. The rotation of the screw 25 drives the screw seat 26 to move upward. The screw seat 26 drives the transfer box 23 and the sampling tube 21 to move upward. The sampling tube 21 will pass through the sealing rubber sleeve 12 and enter the interior of the reagent sample tube 10. The sealing rubber sleeve 12 is a film structure with slots in the middle and overlapping together. Then connect a liquid pump through the sampling connector 22 to take out the sample at the bottom of the reagent sample tube 10, open the machine cover 2, and take out the sample above the reagent sample tube 10, thereby detecting the emulsified asphalt after precipitation.

[0037] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A high-speed centrifugation device for rapid detection of the storage stability of emulsified asphalt, comprising a machine shell (1) and a machine cover (2), characterized in that: A centrifugal sleeve (3) is arranged inside the casing (1), a reagent sample tube (10) is arranged inside the centrifugal sleeve (3), a support base (4) is rotatably connected to the bottom of the centrifugal sleeve (3), a rotating shaft (5) connected to the centrifugal sleeve (3) is arranged inside the support base (4), and a servo motor (7) for driving the rotating shaft (5) to rotate is arranged inside the casing (1).

2. The high-speed centrifugation device for rapid detection of the storage stability of emulsified asphalt according to claim 1, wherein: A driven gear (6) is arranged on the outer side of the rotating shaft (5), the output end of the servo motor (7) is connected to a drive shaft (8), a drive gear (9) is arranged at one end of the drive shaft (8), and the drive gear (9) is meshed and connected with the driven gear (6).

3. The high-speed centrifugation device for rapid detection of the storage stability of emulsified asphalt according to claim 1, wherein: A sealing plug (11) is rotatably connected to the bottom of the reagent sample tube (10), a channel is arranged below the sealing plug (11) inside the centrifugal sleeve (3), a sealing rubber sleeve (12) is arranged inside the channel, a sampling tube (21) is arranged inside the casing (1), a transfer box (23) is arranged at the top of the sampling tube (21), a sampling connector (22) is arranged on the outer side of the casing (1), and the sampling connector (22) is communicated with the transfer box (23) through a flexible hose.

4. The high-speed centrifugation device for rapid detection of storage stability of emulsified asphalt according to claim 3, characterized in that: A lifting device (24) is arranged inside the casing (1), the transfer box (23) is slidably connected to the lifting device (24), a screw rod (25) is rotatably connected inside the lifting device (24), a screw rod seat (26) is threadedly connected to the outer side of the screw rod (25), the screw rod seat (26) is connected to the transfer box (23) through a connecting seat, a driven wheel (27) is arranged on the outer side of the screw rod (25), a driving device (28) is arranged on the outer side of the lifting device (24), a driving wheel (29) is arranged at the output end of the driving device (28), and the driving wheel (29) is in transmission connection with the driven wheel (27).

5. A high-speed centrifugation device for rapid detection of the storage stability of emulsified asphalt according to claim 1, characterized in that: A fixing seat (16) is arranged inside the machine cover (2), a sealing pressing disc (15) is rotatably connected below the fixing seat (16), and the sealing pressing disc (15) is attached to the top of the reagent sample tube (10).

6. The high-speed centrifugation device for rapid detection of storage stability of emulsified asphalt according to claim 1, characterized in that: A stabilizing roller (13) is attached to the outer side of the centrifugal sleeve (3), the stabilizing roller (13) is rotatably connected to the casing (1) through a shaft seat, and a rubber pad (14) attached to the stabilizing roller (13) is arranged inside the casing (1).

7. A high-speed centrifugation device for rapid detection of the storage stability of emulsified asphalt according to claim 1, characterized in that: A lock seat (19) is arranged on the front end face of the casing (1), a lock head (18) is arranged on the front end face of the machine cover (2), the lock head (18) is meshed with the lock seat (19), an operation table (17) is arranged on the front end face of the casing (1), and a power socket (20) is arranged on the rear end face of the casing (1).

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