Integrated batching device for integrated addition of multiple types of liquids
By designing an integrated batching device, the problems of complexity and high labor cost of adding multiple types of liquids in the prior art are solved, and sequential quantitative batching and automated cleaning are realized, which improves batching efficiency and operational convenience.
Patent Information
- Application Number
- CN202411793755.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-01-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing feed ingredient devices have complex formulas, difficult operation due to multiple types of independent addition equipment, and high manual cleaning costs, which lack convenient liquid addition and mixing functions.
A multi-type liquid integrated addition integrated ingredient device is designed, including U-shaped rack, integrated box, independent ingredient module, mixed ingredient module and weighing assembly, using multiple raw hoppers, feeding valves, additive pumps, and stirring devices. and high-pressure water supply components to achieve sequential dosing, pre-mixing and automatic cleaning.
It improves the efficiency of ingredients, reduces equipment and labor costs, simplifies operation difficulty, realizes the order of multiple raw materials and pre-mixed ingredients, and automatic cleaning functions.
Smart Images

Figure CN119258900A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of liquid batching, and in particular to an integrated batching device for integrated addition of multiple types of liquids. Background Art
[0002] With the development of feed industry, more and more liquid raw materials are added in feed production process, such as oil, methionine, choline chloride, mildew inhibitor, water, emulsifier, flavoring agent, molasses, etc. Different liquid adding equipment is provided by different manufacturers, with different adding control interfaces, which means that when the formula changes, it needs to be set on different systems, which can easily cause human negligence. Different systems, different controllers, and different input interfaces require skilled and responsible operators to complete. Different systems have different communication interfaces, and even docking with the formula system is difficult.
[0003] During use, the existing feed batching devices generally use multiple types of independent adding equipment, and the factory installation space is limited. The liquid adding area is relatively messy, which is not convenient for sequential addition or mixed addition, resulting in inconvenient quality control. Since multiple adding equipment are generally cleaned regularly by manual labor, the labor cost is relatively high. Summary of the invention
[0004] In order to solve the above problems existing in the prior art, the present invention provides an integrated batching device for integrated addition of multiple types of liquids, which can solve the problems raised in the above background technology.
[0005] The purpose of the present invention can be achieved through the following technical solutions: An integrated batching device for integrated addition of multiple types of liquids, comprising: A U-shaped frame, wherein a first support plate is installed on a side wall of a vertical section of the U-shaped frame, and a second support plate is installed on a side wall of the vertical section of the U-shaped frame; An integrated box, wherein the integrated box is mounted on the top of the first support plate, a transverse plate is fixedly mounted between the two ends of the integrated box along the long axis direction, an inclined plate is mounted between the top of the transverse plate and the inner wall of the integrated box, the two inclined plates and the transverse plate are used to divide the internal space of the integrated box into a water storage chamber and a flushing chamber distributed up and down, the side wall of the inclined plate is provided with a plurality of first water spray ports distributed in an array, the side wall of the inclined plate is provided with a plurality of second water spray ports distributed in an array, a plurality of feed pipes are penetrated between the top of the integrated box and the transverse plate, two sets of discharge assemblies are provided at the bottom end of the integrated box, and a high-pressure water supply assembly is provided at one end of the integrated box; An independent batching module, wherein the independent batching module comprises a plurality of first raw material hoppers, wherein the first raw material hoppers are located at the top of the U-shaped frame, wherein the bottom of the first raw material hopper is provided with a first discharge pipe communicating with the feed pipe, wherein the side wall of the first discharge pipe is provided with a first feeding valve, and wherein the side wall of the first discharge pipe is provided with a first addition pump; A mixing and batching module, the mixing and batching module comprising a mixing tank, the mixing tank being mounted on the top of the second support plate, a plurality of second raw material hoppers being arranged on the top of the U-shaped frame, a drainage structure being arranged between the second raw material hoppers and the mixing tank, a material adding assembly being arranged between the mixing tank and the integrated box, and a stirring device being arranged in the mixing tank; A weighing component is used to monitor the weight of the raw materials in the first raw material hopper or the mixing tank.
[0006] Preferably, the first water spray port and the second water spray port are staggered at equal intervals, and the first water spray port and the second water spray port are both oriented toward the inner wall of the vertical section of the integrated box.
[0007] Preferably, the discharge assembly includes a discharge pipe, which passes through and is fixedly installed at the bottom end of the integrated box, and a solenoid valve is provided on the side wall of the discharge pipe.
[0008] Preferably, the high-pressure water supply assembly comprises a high-pressure water pipe, which passes through and is fixedly installed at one end of the integrated box, and a high-pressure pump is provided on the side wall of the high-pressure water pipe.
[0009] Preferably, the drainage structure includes a hose, a plurality of feed ports are provided at the top of the mixing tank, a second discharge pipe is provided at the bottom end of the second raw material hopper, the hose is installed between the feed ports and the second discharge pipe, and a second feeding valve is provided on the side wall of the second discharge pipe.
[0010] Preferably, the material adding assembly comprises a drainage pipe, the drainage pipe is installed between the mixing tank and the feeding pipe, and a second adding pump is provided on the side wall of the drainage pipe.
[0011] Preferably, the bottom end of the second support plate is higher than the top end of the first support plate, a notch is provided on a side of the second support plate away from the U-shaped frame, and the drainage pipe matches the notch.
[0012] Preferably, the stirring device comprises a rotating shaft, which is installed in a mixing tank, a stirring blade is arranged at the bottom end of the rotating shaft, a motor is arranged at the top end of the mixing tank, and an output shaft of the motor is fixedly connected to the shaft body of the rotating shaft through a coupling.
[0013] Preferably, the weighing assembly includes two limit plates, and the two limit plates are fixedly mounted on the side walls of the first raw material hopper or the mixing tank. A plurality of supporting feet are installed at the top of the U-shaped frame, and a weighing sensor is installed at the top of the supporting feet. The top of the weighing sensor is arranged to fit the bottom of the limit plate, and a limit structure is arranged between the limit plate and the U-shaped frame.
[0014] Preferably, the limiting structure comprises a limiting column, a limiting tube is passed through and fixedly installed on the top end of the limiting plate, the limiting column is fixedly installed on the top end of the U-shaped frame, and the limiting column and the adjacent limiting tube are arranged in a sliding sleeve manner.
[0015] The beneficial effects of the present invention are: 1. By setting up a mixing and batching module, the beneficial effect that can be obtained is that the mixing and batching module includes a mixing tank, the mixing tank is installed on the top of the second support plate, a plurality of second raw material hoppers are arranged on the top of the U-shaped frame, a drainage structure is arranged between the second raw material hopper and the mixing tank, a material adding component is arranged between the mixing tank and the integrated box, and a stirring device is arranged in the mixing tank; When mixing ingredients is required, multiple second feeding valves are opened, multiple second adding pumps are running, and the raw materials in multiple second raw material hoppers enter the mixing tank through the second discharge pipes, hoses and feed ports. The weighing sensors, support feet and limit plates monitor the weight of the raw materials in the adjacent second raw material hoppers. The motor drives the rotating shaft to rotate, and the stirring blades stir the raw materials in the mixing tank. After stirring, the second adding pump cooperates with the drainage pipe to transport the mixed raw materials in the mixing tank to the integrated box. One of the discharge pipes cooperates with the solenoid valve to discharge the raw materials in the integrated box. It has a pre-mixing structure for multiple raw materials and improves the batching efficiency.
[0016] 2. By setting up an independent batching module, the beneficial effect that can be obtained is that the independent batching module includes a plurality of first raw material hoppers, the first raw material hopper is located at the top of the U-shaped frame, the bottom of the first raw material hopper is provided with a first discharge pipe communicating with the feed pipe, the side wall of the first discharge pipe is provided with a first feeding valve, and the side wall of the first discharge pipe is provided with a first adding pump; When independent batching is required, the raw materials in multiple first raw material hoppers cooperate with the first feeding valve and the first adding pump on the first discharge pipe to independently transport the materials into the integrated box, and the weighing sensor, the supporting foot and the limit plate monitor the weight of adjacent first raw material hoppers and internal raw materials to complete independent quantitative batching. When batching is required in sequence, the raw materials in multiple first raw material hoppers cooperate with the first feeding valve and the first adding pump on the first discharge pipe to sequentially transport the materials into the integrated box through the controller, and the weighing sensor, the supporting foot and the limit plate monitor the weight of adjacent first raw material hoppers to complete sequential quantitative batching. It has a shared structure of independent batching and sequential batching, which reduces equipment costs. Different combinations of batching are used according to the characteristics of different liquids, which can effectively control costs, facilitate installation and modification, and reduce the difficulty of operating the system.
[0017] 3. By setting a high-pressure water supply component, the beneficial effect that can be obtained is an integrated box, the integrated box is installed at the top of the first support plate, a transverse plate is fixedly installed between the two ends of the integrated box along the long axis direction, an inclined plate is installed between the top of the transverse plate and the inner wall of the integrated box, the two inclined plates and the transverse plate are used to divide the internal space of the integrated box into a water storage chamber and a flushing chamber distributed up and down, the side wall of the inclined plate is provided with a plurality of first water spray ports distributed in an array, the side wall of the inclined plate is provided with a plurality of second water spray ports distributed in an array, a plurality of feed pipes are penetrated between the top of the integrated box and the transverse plate, two groups of discharge components are provided at the bottom of the integrated box, a high-pressure water supply component is provided at one end of the integrated box, a high-pressure water pipe penetrates and is fixedly installed at one end of the integrated box, and a high-pressure pump is provided on the side wall of the high-pressure water pipe; After the batching is completed, the high-pressure water pipe cooperates with the high-pressure pump to pump the high-pressure cleaning liquid into the space between the horizontal plate, the two inclined plates and the top wall of the integrated box, that is, into the water storage chamber. The high-pressure water flushes the flushing chamber of the integrated box through multiple first water spray ports and second water spray ports. One of the discharge pipes cooperates with the solenoid valve to discharge the cleaning liquid in the integrated box, which has an automatic cleaning function and reduces labor costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.
[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a front view of the present invention; Figure 3 This is a structural diagram of the installation of the inclined plate in the present invention; Figure 4 This is a diagram of the installation structure of the high-pressure water spray assembly in the present invention; Figure 5 is a cross-sectional view of the integrated box in the present invention; Figure 6It is the installation structure diagram of the horizontal plate and the inclined plate in the present invention; Figure 7 This is an installation structure diagram of the mixing and batching module in the present invention; Figure 8 It is the installation structure diagram of the weighing assembly in the present invention; Fig. 9 This is an installation structure diagram of the independent batching module in the present invention.
[0020] Description of reference numerals: In the figure: 1, U-shaped frame; 11, first support plate; 12, second support plate; 2, integrated box; 21, horizontal plate; 22, inclined plate; 23, first water spray port; 24, second water spray port; 25, feed pipe; 26, discharge pipe; 27, solenoid valve; 31, high-pressure water pipe; 32, high-pressure pump; 4, independent batching module; 41, first raw material hopper; 42, first discharge pipe; 43, first feeding valve; 44, first addition pump; 5, mixed batching module; 51, mixing tank; 52, second raw material hopper; 53, feed port; 54, second discharge pipe; 55, hose; 56, second feeding valve; 57, drainage pipe; 58, second addition pump; 61, rotating shaft; 62, stirring blade; 63, motor; 71, limit plate; 72, support foot; 73, weighing sensor; 74, limit pipe; 75, limit column. DETAILED DESCRIPTION
[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are clearly and completely described below in combination with the accompanying drawings and preferred embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0022] In the description of the present application, it should be understood that the orientation or position relationship indicated by "inside", "outside", etc. is based on the orientation or position described in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, a specific orientation structure and operation, and therefore cannot be understood as a limitation on the present application.
[0023] Reference Figure 1-Figure 9 , is an integrated batching device for integrated addition of multiple types of liquids disclosed in the present invention, comprising a U-shaped frame 1, a first support plate 11 is installed on the vertical section side wall of the U-shaped frame 1, and a second support plate 12 is installed on the vertical section side wall of the U-shaped frame 1; The integrated box 2 is installed at the top of the first support plate 11. A transverse plate 21 is fixedly installed between the two ends of the integrated box 2 along the long axis direction. An inclined plate 22 is installed between the top of the transverse plate 21 and the inner wall of the integrated box 2. The two inclined plates 22 and the transverse plate 21 are used to divide the internal space of the integrated box 2 into a water storage chamber and a flushing chamber distributed up and down. The side wall of the inclined plate 22 is provided with a plurality of first water spray ports 23 distributed in an array. The side wall of the inclined plate 22 is provided with a plurality of second water spray ports 24 distributed in an array. The first water spray ports 23 and the second water spray ports 24 are staggered at equal intervals. The first The water spray port 23 and the second water spray port 24 are both oriented toward the inner wall of the vertical section of the integrated box 2. A plurality of feed pipes 25 are provided between the top of the integrated box 2 and the horizontal plate 21. Two sets of discharge components are provided at the bottom of the integrated box 2. The discharge component includes a discharge pipe 26. The discharge pipe 26 passes through and is fixedly installed at the bottom of the integrated box 2. A solenoid valve 27 is provided on the side wall of the discharge pipe 26. A high-pressure water supply component is provided at one end of the integrated box 2. The high-pressure water supply component includes a high-pressure water pipe 31. The high-pressure water pipe 31 passes through and is fixedly installed at one end of the integrated box 2. A high-pressure pump 32 is provided on the side wall of the high-pressure water pipe 31. An independent batching module 4, the independent batching module 4 comprises a plurality of first raw material hoppers 41, the first raw material hopper 41 is located at the top of the U-shaped frame 1, a first discharge pipe 42 communicating with the feed pipe (25) is provided at the bottom of the first raw material hopper 41, a first feeding valve 43 is provided on the side wall of the first discharge pipe 42, and a first addition pump 44 is provided on the side wall of the first discharge pipe 42; The mixing and batching module 5 includes a mixing tank 51, which is installed on the top of the second support plate 12. A plurality of second raw material hoppers 52 are arranged on the top of the U-shaped frame 1. A plurality of feed ports 53 are arranged on the top of the mixing tank 51. A second feeding pipe 54 is arranged at the bottom of the second raw material hopper 52. A hose 55 is arranged between the feed port 53 and the second feeding pipe 54. A second feeding valve 56 is arranged on the side wall of the second feeding pipe 54. A feeding assembly is arranged between the mixing tank 51 and the integrated box 2. The feeding assembly includes a drainage pipe 57. The drainage pipe 57 is installed Between the mixing tank 51 and the feed pipe 25, a second addition pump 58 is arranged on the side wall of the drainage pipe 57, the bottom end of the second support plate 12 is higher than the top end of the first support plate 11, a notch is arranged on the side of the second support plate 12 away from the U-shaped frame 1, and the drainage pipe 57 matches the notch, a stirring device is arranged in the mixing tank 51, and the stirring device includes a rotating shaft 61, the rotating shaft 61 is installed in the mixing tank 51, a stirring blade 62 is arranged at the bottom end of the rotating shaft 61, and a motor 63 is arranged at the top end of the mixing tank 51, and the output shaft of the motor 63 is fixedly connected to the shaft body of the rotating shaft 61 through a coupling; A weighing assembly is used to monitor the weight of raw materials in the first raw material hopper 41 or the mixing tank 51. The weighing assembly includes two limit plates 71, which are fixedly installed on the side walls of the first raw material hopper 41 or the mixing tank 51. A plurality of supporting feet 72 are installed on the top of the U-shaped frame 1, and a weighing sensor 73 is installed on the top of the supporting feet 72. The top of the weighing sensor 73 is fitted with the bottom of the limit plate 71. A limit structure is arranged between the limit plate 71 and the U-shaped frame 1. The limit structure includes a limit column 75. The top of the limit plate 71 passes through and is fixedly installed with a limit tube 74. The limit column 75 is fixedly installed on the top of the U-shaped frame 1, and the limit column 75 and the adjacent limit tube 74 are slidably connected.
[0024] The working principle and use process of the present invention are as follows: when independent batching is required, the raw materials in multiple first raw material hoppers 41 cooperate with the first feeding valve 43 and the first adding pump 44 on the first discharge pipe 42 to independently transport the materials into the integrated box 2, and the weighing sensor 73, the supporting foot 72 and the limit plate 71 monitor the weight of the adjacent first raw material hoppers 41 and the internal raw materials to complete independent quantitative batching; when batching is required in sequence, through the controller, the raw materials in multiple first raw material hoppers 41 cooperate with the first feeding valve 43 and the first adding pump 44 on the first discharge pipe 42 to transport the materials into the integrated box 2 in sequence, and the weighing sensor 73, the supporting foot 72 and the limit plate 71 monitor the weight of the adjacent first raw material hoppers 41 to complete sequential quantitative batching; when mixed batching is required, the multiple second feeding valves 56 are opened, the multiple second adding pumps 58 are operated, and the raw materials in the multiple second raw material hoppers 52 are transported into the integrated box 2 in sequence through the second feed valve 56. The feed pipe 54, the hose 55 and the feed port 53 enter the mixing tank 51, the weighing sensor 73, the support foot 72 and the limit plate 71 monitor the weight of the raw materials in the adjacent second raw material hopper 52, the motor 63 drives the rotating shaft 61 to rotate, and the stirring blade 62 stirs the raw materials in the mixing tank 51. After the stirring is completed, the second addition pump 58 cooperates with the drainage pipe 57 to transport the mixed raw materials in the mixing tank 51 to the integrated box 2, and one of the discharge pipes 26 cooperates with the solenoid valve 27 to discharge the raw materials in the integrated box 2; after the batching is completed, the high-pressure water pipe 31 cooperates with the high-pressure pump 32 to draw the high-pressure cleaning liquid into the horizontal plate 21, the two inclined plates 22 and the top wall of the integrated box 2, that is, the water storage chamber, and the high-pressure water is flushed through multiple first water spray ports 23 and second water spray ports 24 to flush the flushing chamber of the integrated box 2, and one of the discharge pipes 26 cooperates with the solenoid valve 27 to discharge the cleaning liquid in the integrated box 2.
[0025] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. An integrated batching device for integrated addition of multiple types of liquids, characterized in that: include: A U-shaped frame (1), wherein a first support plate (11) is installed on a vertical section side wall of the U-shaped frame (1), and a second support plate (12) is installed on a vertical section side wall of the U-shaped frame (1); An integrated box (2), the integrated box (2) being mounted on the top of the first support plate (11), a transverse plate (21) being fixedly mounted between the two ends of the integrated box (2) along the long axis direction, an inclined plate (22) being mounted between the top of the transverse plate (21) and the inner wall of the integrated box (2), the two inclined plates (22) and the transverse plate (21) being used to divide the internal space of the integrated box (2) into a water storage chamber and a flushing chamber distributed in an upper and lower manner, the side wall of the inclined plate (22) being provided with a plurality of first water spraying ports (23) distributed in an array, the side wall of the inclined plate (22) being provided with a plurality of second water spraying ports (24) distributed in an array, a plurality of feed pipes (25) being provided through the top of the integrated box (2) and the transverse plate (21), two sets of discharge assemblies being provided at the bottom of the integrated box (2), and a high-pressure water supply assembly being provided at one end of the integrated box (2); An independent batching module (4), the independent batching module (4) comprising a plurality of first raw material hoppers (41), the first raw material hoppers (41) being located at the top end of the U-shaped frame (1), the bottom end of the first raw material hopper (41) being provided with a first discharge pipe (42) communicating with the feed pipe (25), the side wall of the first discharge pipe (42) being provided with a first feeding valve (43), and the side wall of the first discharge pipe (42) being provided with a first addition pump (44); A mixing and batching module (5), the mixing and batching module (5) comprising a mixing tank (51), the mixing tank (51) being mounted on the top of a second support plate (12), a plurality of second material hoppers (52) being arranged on the top of the U-shaped frame (1), a drainage structure being arranged between the second material hoppers (52) and the mixing tank (51), a material adding assembly being arranged between the mixing tank (51) and the integrated box (2), and a stirring device being arranged inside the mixing tank (51); A weighing component, wherein the weighing component is used to monitor the weight of the raw materials in the first raw material hopper (41) or the mixing tank (51).
2. The integrated batching device for integrated addition of multiple types of liquids according to claim 1, characterized in that: The first water spraying ports (23) and the second water spraying ports (24) are staggered at equal intervals, and both the first water spraying ports (23) and the second water spraying ports (24) face the inner wall of the vertical section of the integrated box (2).
3. The integrated batching device for integrated addition of multiple types of liquids according to claim 1, characterized in that: The discharge assembly comprises a discharge pipe (26), the discharge pipe (26) passes through and is fixedly mounted on the bottom end of the integrated box (2), and a solenoid valve (27) is provided on the side wall of the discharge pipe (26).
4. The integrated batching device for integrated addition of multiple types of liquids according to claim 1, characterized in that: The high-pressure water supply assembly comprises a high-pressure water pipe (31), the high-pressure water pipe (31) passing through and fixedly mounted on one end of the integrated box (2), and a high-pressure pump (32) is provided on the side wall of the high-pressure water pipe (31).
5. The integrated batching device for integrated addition of multiple types of liquids according to claim 1, characterized in that: The drainage structure comprises a hose (55), a plurality of feed ports (53) are arranged at the top of the mixing tank (51), a second feed pipe (54) communicating with the second raw material hopper (52) is arranged at the bottom of the second raw material hopper (52), the hose (55) is installed between the feed ports (53) and the second feed pipe (54), and a second feeding valve (56) is arranged on the side wall of the second feed pipe (54).
6. The integrated batching device for integrated addition of multiple types of liquids according to claim 1, characterized in that: The material adding assembly comprises a drainage pipe (57), wherein the drainage pipe (57) is installed between the mixing tank (51) and the feeding pipe (25), and a second adding pump (58) is provided on the side wall of the drainage pipe (57).
7. The integrated batching device for integrated addition of multiple types of liquids according to claim 6, characterized in that: The bottom end of the second support plate (12) is higher than the top end of the first support plate (11); a notch is provided on a side of the second support plate (12) away from the U-shaped frame (1); and the drainage pipe (57) matches the notch.
8. The integrated batching device for integrated addition of multiple types of liquids according to claim 1, characterized in that: The stirring device comprises a rotating shaft (61), the rotating shaft (61) being installed in a mixing tank (51), a stirring blade (62) being arranged at the bottom end of the rotating shaft (61), a motor (63) being arranged at the top end of the mixing tank (51), and an output shaft of the motor (63) being fixedly connected to a shaft body of the rotating shaft (61) via a coupling.
9. The integrated batching device for integrated addition of multiple types of liquids according to claim 1, characterized in that: The weighing assembly comprises two limit plates (71), the two limit plates (71) being fixedly mounted on the side wall of the first raw material hopper (41) or the mixing tank (51), a plurality of supporting legs (72) being mounted on the top of the U-shaped frame (1), a weighing sensor (73) being mounted on the top of the supporting legs (72), the top of the weighing sensor (73) being arranged in close contact with the bottom of the limit plate (71), and a limit structure being arranged between the limit plate (71) and the U-shaped frame (1).
10. The integrated batching device for integrated addition of multiple types of liquids according to claim 9, characterized in that: The limiting structure comprises a limiting column (75), the top end of the limiting plate (71) penetrates and is fixedly mounted with a limiting tube (74), the limiting column (75) is fixedly mounted on the top end of the U-shaped frame (1), and the limiting column (75) and the adjacent limiting tube (74) are arranged in a sliding sleeve manner.
Citation Information
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