Modularized steam-water sampling device

Abstract

The invention discloses a modularized steam-water sampling device, and relates to the technical field of boiler sampling. The problem of residual moisture leakage is solved. The base is fixedly provided with a boiler body; the top of the boiler body is fixed and communicated with a sampling pipe, an electromagnetic opening valve used for opening and closing and opening control is installed on the sampling pipe, a sampling bottle used for containing a sample is arranged at the bottom end of the sampling pipe, and a cooling mechanism is arranged on the outer side of the sampling pipe. The sampling bottle comprises a bottle cap and a bottle body connected to the inner side of the bottle cap through threads, a sealing ring is fixed to the inner wall of the end of the sampling tube, and a blocking ball is placed on the sealing ring in a matched mode. The structural design of the sampling bottle is refined, and the blocking ball and the sealing ring are arranged, so that the blocking ball and the sealing ring are automatically matched to block the sampling pipe when the bottle body is taken away after single sampling is finished, residual water can be prevented from dripping, and the pollution problem of the working environment is solved.

Description

Technical Field

[0001] The invention relates to the technical field of boiler sampling, and in particular to a modular steam-water sampling device. Background Art

[0002] The steam-water sampling device is mainly used to detect high-temperature and high-pressure water vapor samples in thermal power plants and related enterprises, and to provide assistance for the reliable operation of thermal equipment.

[0003] After searching, the Chinese patent announcement was CN218766209U, which disclosed a steam sampling device with convenient sampling, including a base and a sampling bottle, a boiler body is provided at the upper end of the base, a sampling tube is provided at the upper end of the boiler body, a valve is provided on the sampling tube, and the valve is fixed to the top of the boiler body, a cooling tube is wound around the outer wall of the sampling tube, both ends of the cooling tube are provided with docking tubes, a bottom plate is provided at the bottom end of the sampling tube, and a bottom groove is provided on the upper end of the base on one side of the boiler body, and a plurality of springs are provided inside the bottom groove.

[0004] The above patent has the following shortcomings: after sampling, the sample needs to be tested for different items, which requires multiple samplings. Even if a single sampling is completed in the above patent, after the valve is closed, there will be residual water in the sampling tube. The residual water will drip when the sampling bottle is taken away. The dripping water from multiple samplings will pollute the working environment.

[0005] To this end, the present invention proposes a modular soda sampling device. Summary of the invention

[0006] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a modular soda sampling device.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions: A modular steam-water sampling device comprises a base to which a boiler body is fixed; The top of the boiler body is fixed and connected with a sampling tube, an electromagnetic opening valve for opening and closing and opening control is installed on the sampling tube, a sampling bottle for accommodating samples is arranged at the bottom of the sampling tube, and a cooling mechanism is arranged on the outside of the sampling tube; The sampling bottle includes a bottle cap and a bottle body connected to the inner side of the bottle cap by threads, a sealing ring is fixed to the inner wall of the end of the sampling tube, and a plugging ball is placed above the sealing ring, the minimum inner diameter of the sealing ring is smaller than the maximum outer diameter of the plugging ball, a curling edge is arranged on the outer side of the top of the bottle cap, a conical protrusion is arranged on the inner side of the top of the bottle cap for lifting the plugging ball, and uniform leakage holes are opened at the junction of the curling edge and the conical protrusion.

[0008] Preferably: a rubber sleeve is fixed to the outer wall of the sampling tube, and a plurality of serrated protrusions are arranged on the outer side of the bottle cap.

[0009] Furthermore: the sampling bottles are arranged in multiple groups, and an automatic sampling mechanism for carrying and switching the positions of multiple sampling bottles is provided on the top of the base. A control cabinet for controlling the electromagnetic opening valve and the automatic sampling mechanism is also fixed on the top of the base.

[0010] On the basis of the above scheme: the automatic sampling mechanism includes a carrying plate and a rotating shaft, the rotating shaft is rotatably connected to the top outer wall of the base, the carrying plate is movably sleeved on the outer wall of the rotating shaft, and the inner wall of the carrying plate is provided with a key-shaped protrusion, the outer wall of the rotating shaft is provided with a key-shaped groove that matches the key-shaped protrusion gap, and the top inner wall of the carrying plate is provided with a plurality of accommodating grooves that can accommodate sampling bottles.

[0011] A better solution in the aforementioned solution is: the automatic sampling mechanism also includes an intermittent rotating transmission component for driving the rotating shaft to rotate at intervals and an intermittent limiting lifting component for controlling the intermittent lifting of the carrying plate. When the intermittent rotating transmission component drives the rotating shaft to rotate, the carrying plate does not control the lifting of the intermittent limiting lifting component; when the carrying plate controls the lifting of the intermittent limiting lifting component, the intermittent rotating transmission component does not drive the rotating shaft to rotate.

[0012] As a further solution of the present invention: the intermittent rotation transmission assembly includes a driven disk fixed to the outer wall of the rotating shaft and a base disk rotatably connected to the base through a transmission shaft, a limiting disk is coaxially fixed to the top outer wall of the base disk, a transmission column is fixed at the non-axial part of the top outer wall of the base disk, a plurality of transmission grooves that can cooperate with the transmission column are opened on the radial inner wall of the driven disk, and a plurality of limiting grooves with the same radius as the limiting disk are opened on the outer wall of the driven disk.

[0013] At the same time, an avoidance groove for avoiding rotation of the driven disc is provided on the inner wall of the limit disc located at the angle of the transmission column.

[0014] As a preferred embodiment of the present invention: the intermittent limit lifting assembly includes a connecting plate and a limit ring fixed to the top outer wall of the connecting plate, the connecting plate is coaxially fixed to the top outer wall of the limit plate through a connecting shaft, the limit ring is provided with a recess at the angle of the transmission column, the bottom of the supporting plate located at the accommodating groove is rotatably connected to a plurality of limit columns, and the limit columns and the limit ring cooperate with each other.

[0015] At the same time, the number of groups of the containing grooves, transmission grooves, limiting grooves and limiting columns is the same as the number of sampling bottles.

[0016] As a more preferred solution of the present invention: an electric motor is fixed to the bottom outer wall of the base by bolts, and the output shaft of the electric motor is connected to the end of the transmission shaft by a coupling.

[0017] The beneficial effects of the present invention are: 1. The present invention refines the structural design of the sampling bottle and simultaneously provides a blocking ball and a sealing ring, so that after a single sampling is completed, when the bottle body is removed, the blocking ball and the sealing ring automatically cooperate to seal the sampling tube, thereby preventing residual water from dripping and solving the pollution problem of the working environment.

[0018] 2. The present invention can achieve temporary and stable fixation of the entire sampling bottle and the sampling tube by providing a rubber sleeve and a serrated protrusion, so that during the sampling process, there is no need for manual holding of the sampling bottle for a long time, which increases the convenience of use.

[0019] 3. The present invention, by setting up a plurality of modular sampling bottles and using a carrying plate for carrying, and combining the rotation control of the carrying plate by an intermittent rotating transmission component and the lifting control of the carrying plate by an intermittent limiting lifting component, can realize automatic sampling of a plurality of sampling bottles in sequence, thereby providing a plurality of independent samples for subsequent multi-item testing of samples.

[0020] 4. The present invention, based on the arrangement of an intermittent rotating transmission component and an intermittent position-limiting lifting component, utilizes the intermittent alternating operation of the intermittent rotating transmission component and the intermittent position-limiting lifting component, thereby being able to sequentially realize the automated cycle process of lifting sampling - descending separation - rotating station switching - lifting sampling, and on this basis, the structures of the intermittent rotating transmission component and the intermittent position-limiting lifting component are coordinated with each other, and the entire automated process can be realized by utilizing the simple start-stop control of a single motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of Example 1 of a modular soda sampling device proposed by the present invention; Figure 2 A schematic diagram of the separation structure of the sampling tube and the sampling bottle of a modular soda sampling device proposed by the present invention; Figure 3 A schematic diagram of the rubber sleeve and the sawtooth protrusion structure of Example 2 of a modular soda sampling device proposed by the present invention; Figure 4 This is a schematic diagram of the overall structure of Embodiment 3 of a modular soda sampling device proposed by the present invention; Figure 5 A schematic diagram of the structure of an automatic sampling mechanism of a modular soda sampling device proposed by the present invention; Figure 6 A schematic diagram of the matching structure of a carrier plate and a rotating shaft of a modular soda sampling device proposed by the present invention; Figure 7 A schematic diagram of the structure of an intermittent rotating transmission assembly of a modular soda sampling device proposed by the present invention; Figure 8 This is a schematic structural diagram of an intermittent limiting lifting assembly of a modular soda sampling device proposed by the present invention.

[0022] In the figure: 1. base; 2. boiler body; 3. sampling tube; 4. electromagnetic opening valve; 5. sampling bottle; 6. plugging ball; 7. sealing ring; 8. curling; 9. bottle cap; 10. bottle body; 11. cone convex; 12. leakage hole; 13. rubber sleeve; 14. serrated protrusion; 15. control cabinet; 16. automatic sampling mechanism; 17. carrier plate; 18. accommodating groove; 19. rotating shaft; 20. intermittent rotating transmission assembly; 21. intermittent limit lifting assembly; 22. key-shaped groove; 23. key-shaped protrusion; 24. limit plate; 25. base plate; 26. avoidance groove; 27. motor; 28. transmission shaft; 29. ​​transmission column; 30. transmission groove; 31. limit groove; 32. driven plate; 33. limit column; 34. limit ring; 35. connecting plate; 36. depression; 37. connecting shaft. DETAILED DESCRIPTION

[0023] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] Embodiment 1:

[0026] A modular soda sampling device, such as Figure 1 - Figure 3 As shown, Figure 1 - Figure 3 As shown, it includes a base 1 to which a boiler body 2 is fixed, the top of the boiler body 2 is fixed and connected with a sampling tube 3, an electromagnetic opening valve 4 for opening and closing and opening control is installed on the sampling tube 3, a sampling bottle 5 for accommodating a sample is arranged at the bottom end of the sampling tube 3, and a cooling mechanism is arranged on the outer side of the sampling tube 3. In this embodiment, the specific type of the cooling mechanism is not limited. Specifically, the cooling structure can adopt the cooling tube structure in patent announcement number CN218766209U, which is intended to perform heat exchange and cooling of the water vapor in the sampling tube 3 so that the water vapor is liquefied into water.

[0027] The sampling bottle 5 includes a bottle cap 9 and a bottle body 10 connected to the inner side of the bottle cap 9 by threads, a sealing ring 7 is fixed to the inner wall of the end of the sampling tube 3, and a plugging ball 6 is placed above the sealing ring 7, the minimum inner diameter of the sealing ring 7 is smaller than the maximum outer diameter of the plugging ball 6, a curling edge 8 is provided on the outer side of the top of the bottle cap 9, a conical protrusion 11 for lifting the plugging ball 6 is provided on the inner side of the top of the bottle cap 9, and uniform leakage holes 12 are opened at the junction of the curling edge 8 and the conical protrusion 11.

[0028] The top of the sealing ring 7 is in a concave shape from outside to inside.

[0029] When the present embodiment is in use and sampling is required, the bottle body 10 can be manually held and the conical protrusion 11 can be inserted into the inner side of the sealing ring 7. The top of the conical protrusion 11 will push the blocking ball 6 upwards. At this time, the electromagnetic opening valve 4 is opened, and the water vapor in the base 1 enters the sampling tube 3. The water vapor is liquefied through the heat exchange of the cooling mechanism, and then flows into the rolled edge 8 and the conical protrusion 11 through the gap between the blocking ball 6 and the sealing ring 7, and then enters the bottle body 10 through the leakage hole 12. After the sampling is completed, the electromagnetic opening valve 4 is closed and the bottle body 10 is taken away. At this time, the blocking ball 6 cooperates with the sealing ring 7 under the force of gravity to block the residual moisture.

[0030] The device refines the structural design of the sampling bottle 5 and simultaneously provides a blocking ball 6 and a sealing ring 7, so that after a single sampling is completed, when the bottle body 10 is removed, the blocking ball 6 and the sealing ring 7 automatically cooperate to seal the sampling tube 3, thereby preventing residual water from dripping and solving the pollution problem of the working environment.

[0031] Embodiment 2:

[0032] A modular soda sampling device, such as Figure 3 As shown, in order to solve the convenience problem, this embodiment makes the following improvements on the basis of embodiment 1: a rubber sleeve 13 is fixed to the outer wall of the sampling tube 3, and a plurality of serrated protrusions 14 are provided on the outer side of the bottle cap 9.

[0033] When the present embodiment is used, the bottle body 10 can be inserted during sampling, and the friction limiting force between the rubber sleeve 13 and the serrated protrusion 14 can be used to fix the entire sampling bottle 5. After the sampling is completed, the bottle body 10 can be pulled downward with force.

[0034] The device can achieve temporary and stable fixation of the entire sampling bottle 5 and the sampling tube 3 by providing the rubber sleeve 13 and the serrated protrusion 14, so that during the sampling process, there is no need for manual holding of the sampling bottle 5 for a long time, which increases the convenience of use.

[0035] Embodiment 3:

[0036] A modular soda sampling device, such as Figure 4 - Figure 8As shown, in order to solve the problem of automated multiple sampling, this embodiment makes the following improvements on the basis of Embodiment 1: the sampling bottles 5 are arranged in multiple groups, and an automatic sampling mechanism 16 for carrying and switching the positions of multiple sampling bottles 5 is provided on the top of the base 1, and a control cabinet 15 for controlling the electromagnetic opening valve 4 and the automatic sampling mechanism 16 is also fixed on the top of the base 1.

[0037] The automatic sampling mechanism 16 includes a carrying plate 17 and a rotating shaft 19, the rotating shaft 19 is rotatably connected to the top outer wall of the base 1, the carrying plate 17 is movably sleeved on the outer wall of the rotating shaft 19, and the inner wall of the carrying plate 17 is provided with a key-shaped protrusion 23, the outer wall of the rotating shaft 19 is provided with a key-shaped groove 22 that is clearance-matched with the key-shaped protrusion 23, and the top inner wall of the carrying plate 17 is provided with a plurality of accommodating grooves 18 that can accommodate sampling bottles 5.

[0038] The automatic sampling mechanism 16 also includes an intermittent rotating transmission component 20 for intermittently rotating and driving the rotating shaft 19 and an intermittent limiting lifting component 21 for intermittently controlling the lifting and lowering of the carrier plate 17. When the intermittent rotating transmission component 20 rotates the rotating shaft 19, the carrier plate 17 does not control the lifting and lowering of the intermittent limiting lifting component 21; when the carrier plate 17 controls the lifting and lowering of the intermittent limiting lifting component 21, the intermittent rotating transmission component 20 does not rotate and drive the rotating shaft 19.

[0039] When the device is in use, multiple sampling bottles 5 can be modularly placed in multiple receiving grooves 18, and then the intermittent rotating transmission component 20 drives the rotating shaft 19 to rotate, so that the key-shaped groove 22 and the key-shaped protrusion 23 cooperate to drive the supporting plate 17 to rotate, until one of the sampling bottles 5 is placed at the bottom of the sampling tube 3. At this time, the intermittent rotating transmission component 20 unscrews the rotation drive of the rotating shaft 19, and at the same time, the intermittent limiting lifting component 21 drives the supporting plate 17 to rise, so that the conical protrusion 11 of the sampling bottle 5 lifts the blocking ball 6, and then the state of the supporting plate 17 is maintained for sampling. After the sampling is completed, the intermittent limiting lifting component 21 drives the supporting plate 17 to descend, and the bottom of the sampling tube 3 is blocked. After it is completely descended, the intermittent rotating transmission component 20 drives the supporting plate 17 to rotate again, so that the next sampling bottle 5 is placed at the bottom of the sampling tube 3 again, and then the above steps are repeated until all the sampling bottles 5 are reliably sampled.

[0040] The device, by setting up a plurality of modular sampling bottles 5 and using a carrying plate 17 for carrying, and combining the rotation control of the carrying plate 17 by the intermittent rotating transmission component 20 and the lifting control of the carrying plate 17 by the intermittent limiting lifting component 21, can realize automatic sampling of the plurality of sampling bottles 5 in sequence, thereby providing a plurality of independent samples for subsequent multi-item testing of the samples.

[0041] To solve synchronization problems, such as Figure 7 - Figure 8 As shown, the intermittent rotation transmission assembly 20 includes a driven disk 32 fixed to the outer wall of the rotating shaft 19 and a base disk 25 rotatably connected to the base 1 through a transmission shaft 28, a limiting disk 24 is coaxially fixed to the top outer wall of the base disk 25, a transmission column 29 is fixed to the top outer wall of the base disk 25 at a non-axial position, a plurality of transmission grooves 30 that can cooperate with the transmission column 29 are provided on the radial inner wall of the driven disk 32, and a plurality of limiting grooves 31 with the same radius as the limiting disk 24 are provided on the outer wall of the driven disk 32, and an avoidance groove 26 for avoiding the rotation of the driven disk 32 is provided on the inner wall of the limiting disk 24 at the angle of the transmission column 29.

[0042] The intermittent limit-type lifting assembly 21 includes a connecting plate 35 and a limit ring 34 fixed to the top outer wall of the connecting plate 35. The connecting plate 35 is coaxially fixed to the top outer wall of the limit plate 24 through a connecting shaft 37. The limit ring 34 is provided with a recess 36 at the angle of the transmission column 29. The bottom of the supporting plate 17 located at the accommodating groove 18 is rotatably connected to a plurality of limit columns 33, and the limit columns 33 cooperate with the limit ring 34.

[0043] The number of groups of the containing grooves 18 , the transmission grooves 30 , the limiting grooves 31 , and the limiting posts 33 is the same as the number of the sampling bottles 5 .

[0044] The bottom outer wall of the base 1 is fixed with a motor 27 by bolts, and the output shaft of the motor 27 is connected to the end of the transmission shaft 28 by a coupling.

[0045] When the motor 27 is started, it can drive the transmission shaft 28 to rotate, thereby driving the base plate 25, the limit plate 24, the connecting plate 35, and the limit ring 34 to rotate synchronously. When the limit column 33 contacts the top of the limit ring 34, the carrier plate 17 is lifted up. At this time, the cone convex 11 lifts the blocking ball 6 and is in a sampling state. At the same time, during this process, the limit groove 31 cooperates with the limit plate 24, the transmission column 29 does not cooperate with the transmission groove 30, and the rotating shaft 19 and the carrier plate 17 do not rotate. As the limit ring 34 rotates, until the limit column 33 rotates to the recess 36 of the limit ring 34, the carrier plate 17 descends and the sampling is carried out. The rotation ends, and the limit groove 31 is separated from the limit plate 24, and the transmission column 29 rotates into the opening of the transmission groove 30, and then continues to rotate, the cooperation between the transmission column 29 and the transmission groove 30 can make the driven disk 32 rotate, thereby making the rotating shaft 19 and the supporting plate 17 rotate, until another sampling bottle 5 is rotated to the bottom of the sampling tube 3, the transmission column 29 is separated from the transmission groove 30, the limit groove 31 cooperates with the limit plate 24, and the next limit column 33 is located in the direction of the limit ring 34 and the limit column 33 climbs along the limit ring 34, and the supporting plate 17 rises again for sampling, and so on.

[0046] This device, based on the arrangement of an intermittent rotating transmission component 20 and an intermittent position-limiting lifting component 21, utilizes the intermittent alternating operation of the intermittent rotating transmission component 20 and the intermittent position-limiting lifting component 21, thereby being able to sequentially realize the automated cycle process of lifting sampling - descending separation - rotating station switching - lifting sampling, and on this basis, the structures of the intermittent rotating transmission component 20 and the intermittent position-limiting lifting component 21 are coordinated with each other, and the entire automated process can be realized by the simple start-stop control of a single motor 27.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A modular steam-water sampling device, comprising a base (1) to which a boiler body (2) is fixed, characterized in that: The top of the boiler body (2) is fixed and connected to a sampling tube (3), an electromagnetic opening valve (4) for opening and closing and opening control is installed on the sampling tube (3), a sampling bottle (5) for containing a sample is arranged at the bottom end of the sampling tube (3), and a cooling mechanism is arranged on the outside of the sampling tube (3); The sampling bottle (5) comprises a bottle cap (9) and a bottle body (10) connected to the inner side of the bottle cap (9) by means of threads; a sealing ring (7) is fixed to the inner wall of the end of the sampling tube (3); a plugging ball (6) is placed above the sealing ring (7); the minimum inner diameter of the sealing ring (7) is smaller than the maximum outer diameter of the plugging ball (6); a curling edge (8) is arranged on the outer side of the top of the bottle cap (9); a conical protrusion (11) is arranged on the inner side of the top of the bottle cap (9) for lifting the plugging ball (6); and uniform leakage holes (12) are provided at the junction of the curling edge (8) and the conical protrusion (11).

2. A modular soda sampling device according to claim 1, characterized in that: A rubber sleeve (13) is fixed to the outer wall of the sampling tube (3), and a plurality of sawtooth protrusions (14) are arranged on the outer side of the bottle cap (9).

3. A modular soda sampling device according to claim 1, characterized in that: The sampling bottles (5) are arranged in groups, and an automatic sampling mechanism (16) for carrying and switching the positions of the multiple sampling bottles (5) is provided on the top of the base (1). A control cabinet (15) for controlling the electromagnetic opening valve (4) and the automatic sampling mechanism (16) is also fixed on the top of the base (1).

4. A modular soda sampling device according to claim 3, characterized in that: The automatic sampling mechanism (16) comprises a carrier plate (17) and a rotating shaft (19), wherein the rotating shaft (19) is rotatably connected to the top outer wall of the base (1), the carrier plate (17) is movably sleeved on the outer wall of the rotating shaft (19), and the inner wall of the carrier plate (17) is provided with a key-shaped protrusion (23), the outer wall of the rotating shaft (19) is provided with a key-shaped groove (22) which is clearance-matched with the key-shaped protrusion (23), and the top inner wall of the carrier plate (17) is provided with a plurality of accommodating grooves (18) which can accommodate sampling bottles (5).

5. A modular soda sampling device according to claim 4, characterized in that: The automatic sampling mechanism (16) further comprises an intermittent rotation transmission component (20) for intermittently rotating the rotating shaft (19) and an intermittent position-limiting lifting component (21) for intermittently lifting and lowering the carrier plate (17). When the intermittent rotation transmission component (20) rotationally drives the rotating shaft (19), the carrier plate (17) does not lift or lower the intermittent position-limiting lifting component (21); when the carrier plate (17) lifts or lowers the intermittent position-limiting lifting component (21), the intermittent rotation transmission component (20) does not rotationally drive the rotating shaft (19).

6. A modular soda sampling device according to claim 5, characterized in that: The intermittent rotation transmission assembly (20) comprises a driven disk (32) fixed to the outer wall of a rotating shaft (19) and a base disk (25) rotatably connected to the base (1) via a transmission shaft (28); a limit disk (24) is coaxially fixed to the top outer wall of the base disk (25); a transmission column (29) is fixed to the top outer wall of the base disk (25) at a non-axial position; a plurality of transmission grooves (30) that can cooperate with the transmission column (29) are formed on the radial inner wall of the driven disk (32); and a plurality of limit grooves (31) having the same radius as the limit disk (24) are formed on the outer wall of the driven disk (32).

7. A modular soda sampling device according to claim 6, characterized in that: An avoidance groove (26) for avoiding rotation of the driven disc (32) is provided on the inner wall of the limit disc (24) at the angle of the transmission column (29).

8. A modular soda sampling device according to claim 6, characterized in that: The intermittent limit-type lifting assembly (21) comprises a connecting plate (35) and a limit ring (34) fixed to the top outer wall of the connecting plate (35); the connecting plate (35) is coaxially fixed to the top outer wall of the limit plate (24) via a connecting shaft (37); the limit ring (34) is provided with a recess (36) at an angle to the transmission column (29); the bottom of the carrier plate (17) located at the receiving groove (18) is rotatably connected to a plurality of limit columns (33); the limit columns (33) and the limit ring (34) cooperate with each other.

9. A modular soda sampling device according to claim 8, characterized in that: The number of groups of the containing grooves (18), the transmission grooves (30), the limiting grooves (31), and the limiting columns (33) is the same as the number of the sampling bottles (5).

10. A modular soda sampling device according to claim 8, characterized in that: An electric motor (27) is fixed to the bottom outer wall of the base (1) by means of bolts, and an output shaft of the electric motor (27) is connected to the end of a transmission shaft (28) by means of a coupling.

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