An instrument for detecting activity of feed enzyme preparations

Abstract

The present invention provides a feed enzyme preparation activity detection instrument, specifically relating to the technical field of detection equipment, comprising a detection box and a detection assembly arranged inside the detection box, wherein a display and a controller are respectively provided on one side of the top surface of the detection box, a placement opening is provided in the center of the top surface of the detection box, and a sealing cover is rotatably connected to the placement opening, and the detection assembly comprises a transmitter and a receiver respectively arranged on both sides of the inside of the detection box. By arranging two sealing plates between the transmitter and the receiver, after the detection personnel has placed the cuvette and closed the sealing cover, the transmitter and the receiver are urged to approach each other for detection, thereby avoiding accidental contact with the transmitter and the receiver during the process of manually placing the cuvette by the detection personnel, causing unnecessary contamination on the surfaces of the two, thereby ensuring the detection effect of the two during the detection operation.

Description

Technical Field

[0001] The invention provides a feed enzyme preparation activity detection instrument, and particularly relates to the technical field of detection equipment. Background Art

[0002] With the rapid development of modern animal husbandry, feed enzyme preparations have become an important means to improve feed conversion rate, promote animal growth and improve environmental hygiene, and the activity data detection of feed enzyme preparations is particularly important. The existing technology uses a "spectrophotometer" to measure the absorbance of the sample, thereby calculating the activity of the feed enzyme. The spectrophotometer is mainly composed of a light emitting device and a light receiving device. During the specific operation, the tester generally manually injects the test agent into the cuvette, and then places the cuvette into the detection instrument. The light from the emitting device is irradiated on the light-transmitting surfaces on both sides of the cuvette, causing the light to pass through the light-transmitting surfaces of the cuvette and the test agent. Finally, the light is received by the light receiving device, and then through data analysis and calculation, the test results are finally displayed on the display.

[0003] In the invention patent with authorization announcement number CN115508295B, a rapid detection instrument for the activity of feed enzyme preparations has the following deficiencies when in use: the transmitting device and the receiving device in the detection instrument, when not in use, the transmitting surface of the transmitting device and the receiving surface of the receiving device can directly contact the external environment. When the operator manually picks up or places the cuvette (equivalent to the test tube in the comparative document), it is very easy to accidentally touch the transmitting surface and the receiving surface, causing unnecessary contamination, thereby affecting the accuracy of the detection effect. In addition, the instrument uses a rotation method to promote the uniform distribution of the components in the reagent. However, during the rotation process, not only will the reagent in the cuvette be attached to the wall and the components be unevenly distributed due to the rotational force, affecting the final detection data, but after the cuvette is rotated, it is impossible to ensure that the light-transmitting surface of the cuvette is always between the transmitting device and the receiving device, which will also affect the detection effect.

[0004] Therefore, the present invention proposes a feed enzyme preparation activity detection instrument to make up for and improve the shortcomings of the prior art. Summary of the Invention

[0005] In view of the defects of the prior art, the present invention provides a feed enzyme preparation activity detection instrument, which can effectively solve the relevant technical problems raised by the background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] The present invention discloses a feed enzyme preparation activity detection instrument, comprising a detection box and a detection component arranged inside the detection box, wherein a display and a controller are respectively arranged on one side of the top surface of the detection box, a placement opening is provided in the center of the top surface of the detection box, and a sealing cover is rotatably connected to the placement opening, the detection component comprises a transmitter and a receiver respectively arranged on both sides of the inside of the detection box, the transmitter and the receiver are symmetrically arranged on both sides of the inside of the detection box, a bracket rack is arranged inside the detection box and between the transmitter and the receiver, and no less than four cuvettes are equidistantly placed on the bracket rack.

[0008] An active detection mechanism is provided inside the detection box and on both sides of the transmitting device and the receiving device. The active detection mechanism includes two partition plates symmetrically fixedly connected to the inside of the detection box, and each of the two partition plates is provided with a through hole. Two electric slide rails are symmetrically fixedly installed inside the detection box and on the side away from each other of the two partition plates. There are four electric slide rails in total, and an electric slider is slidably provided on each of the electric slide rails. Four pulleys are rotatably connected to the two side walls inside the detection box, and the four pulleys are symmetrically arranged in pairs above the two electric slide rails on the same side. Two pulleys are rotatably connected to the side of the two partition plates close to each other, and there are four pulleys in total. A pull rope is wound around pulley one and pulley two on the same side, and one end of the pull rope close to pulley one is fixedly connected to the top surface of the corresponding electric slider, and a limit groove is provided on the side where the two partition plates are close to each other, and a total of four limit grooves are provided, and a limit block is slidably provided inside the four limit grooves, and a total of four limit blocks are provided. A sealing plate is fixedly connected between the two limit blocks located on the same side, and there are two sealing plates in total, and the initial positions of the two sealing plates are in contact with the through-holes on the corresponding partition plates, and the side surfaces of the two sealing plates close to each other are in contact with the two side surfaces of the bracket frame, and one end of the pull rope close to pulley two is fixedly connected to the top surface of the corresponding limit block.

[0009] Preferably, the initial positions of the four electric sliders are all located on a side away from the partition plate.

[0010] Preferably, the four pulleys 1 and the four pulleys 2 are located at the same horizontal height, and the two partition plates are each provided with a circular hole for the pull rope to pass through horizontally.

[0011] Preferably, the outer surfaces of the four pulleys 1 and the four pulleys 2 are all smooth surfaces.

[0012] Preferably, the sliding portion of the limiting block and the limiting groove is T-shaped, and the shape of the limiting groove is adapted to the shape of the T-shaped portion of the limiting block.

[0013] Preferably, a concave opening is provided on the top of the bracket frame and at a position corresponding to the cuvette, a follower plate is fixedly connected to the side where the two sealing plates are close to each other and at a position corresponding to the cuvette, and a wiping cotton is bonded to the side of the follower plate close to the cuvette.

[0014] Preferably, the width of the follower plate and the wiping cotton is the same as the width of the interior of the cuvette, and the follower plate and the wiping cotton are located in the corresponding concave openings after they move up to the final position.

[0015] Preferably, the bracket frame and the sealing plate are jointly provided with a follower knocking mechanism, and the follower knocking mechanism includes a plurality of follower rods fixedly connected to a sealing plate close to the side of the bracket frame, and the position of each follower rod corresponds one-to-one to the position of each cuvette, and four positioning shafts are symmetrically fixedly connected inside the bracket frame and on both sides of each cuvette, and a side plate is commonly slidably connected between the four positioning shafts, and springs are sleeved on the outside of the four positioning shafts, and a plurality of triangular blocks are evenly fixed on the side of the side plate away from the cuvette, and each of the triangular blocks is provided with two inclined surfaces on the side away from the side plate, and the inclined surface of each triangular block is located on the path of vertical movement of the corresponding follower rod, and a plurality of abutment rods are evenly provided on the surface of the side plate close to the cuvette.

[0016] Preferably, the outer surface of the follower rod and the inclined surface of the triangular block are smooth surfaces.

[0017] Preferably, each of the push rods is made of elastic rubber material, and the plurality of push rods are distributed in a rectangular shape.

[0018] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0019] The feed enzyme preparation activity detection instrument has two sealing plates between the transmitter and the receiver. After the tester places the cuvette and closes the sealing cover, the transmitter and the receiver are brought closer together for testing. This prevents the tester from accidentally touching the transmitter and the receiver during the process of manually placing the cuvette, which would cause unnecessary contamination on the surfaces of the transmitter and the receiver, thereby ensuring the detection effect of the two during the testing operation.

[0020] When not testing, the transmitter and receiver are blocked by the corresponding sealing plates, so that they are in independent sealed spaces. This can also effectively prevent external dust and impurities from adhering to their surfaces, ensuring the effectiveness of the two during testing.

[0021] Use the wiping cotton to wipe the light-transmitting surfaces on both sides of the cuvette to effectively remove the water droplets or fingerprints attached to the light-transmitting surface of the cuvette to prevent the water droplets and fingerprints from affecting the light emitted by the emitting device, thereby ensuring the accuracy of the test data;

[0022] After each cuvette is placed, each push rod strikes the two sides of the cuvette back and forth, generating vibration force on both sides of the cuvette. The vibration force is used to promote uniform mixing of the feed enzyme reagent components inside the cuvette, avoiding the impact of uneven distribution of components inside the reagent during detection on the final test data. Compared with the manual shaking method or the rotation shaking method in the existing technology, the vibration method is more convenient, will not cause the reagent to stick to the wall, and is more conducive to the uniform distribution of components in the reagent. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a main perspective structural diagram of the present invention;

[0024] Figure 2 This is a partial three-dimensional structural diagram of the relevant components of the detection box and the partition plate in the cut state in the present invention;

[0025] Figure 3 This is a three-dimensional structural diagram of the relevant components of the detection box in the present invention in a cutaway state from another perspective;

[0026] Figure 4 It is a partial three-dimensional structural diagram of the electric slide rail and the related components of the pull rope in the present invention;

[0027] Figure 5 It is a partial three-dimensional structural diagram of the relevant components at the limiting groove in the present invention;

[0028] Figure 6 It is a partial three-dimensional structural diagram of the related components of the concave opening and the follower plate in the present invention;

[0029] Figure 7 This is a three-dimensional structural diagram of the follower plate and the wiping cotton in the present invention;

[0030] Figure 8 It is a partial three-dimensional structural diagram of the follower rod and related components at the side plate in the present invention;

[0031] Figure 9 It is a partial three-dimensional structural diagram of the cuvette and related components at the side plate in the present invention;

[0032] Figure 10 This is a front structural diagram of the cuvette and related components on the side panel in the present invention.

[0033] The numbers in the figure represent:

[0034] 1. Detection box; 11. Display; 12. Controller; 13. Placement port; 14. Sealing cover; 15. Transmitter; 16. Receiver; 17. Bracket; 171. Concave port; 18. Cuvette;

[0035] Active detection mechanism: 21, partition plate; 22, through-hole; 23, electric slide rail; 24, electric slider; 25, pulley 1; 26, pulley 2; 27, pull rope; 28, sealing plate; 281, follower plate; 282, wipe cotton; 29, limit block; 210, limit slot;

[0036] Follow-up striking mechanism: 31, follow-up rod; 32, positioning shaft; 321, spring; 33, side plate; 34, triangular block; 35, push rod. DETAILED DESCRIPTION

[0037] The present invention will be further described below with reference to the embodiments.

[0038] Example 1:

[0039] like Figures 1 to 7 As shown, a feed enzyme preparation activity detection instrument includes a detection box 1 and a detection component arranged inside the detection box 1. A display 11 and a controller 12 are respectively provided on one side of the top surface of the detection box 1. A placement opening 13 is provided in the center of the top surface of the detection box 1, and a sealing cover 14 is rotatably connected to the placement opening 13. The detection component includes a transmitter 15 and a receiver 16 respectively arranged on both sides of the interior of the detection box 1. The transmitter 15 and the receiver 16 are symmetrically arranged on both sides of the interior of the detection box 1. The transmitter 15 and the receiver 16 are components of an existing spectrophotometer. A bracket rack 17 is provided inside the detection box 1 and between the emitting device 15 and the receiving device 16. No less than four cuvettes 18 are placed equidistantly on the bracket rack 17. Specifically, a rectangular opening is provided on the top of the bracket rack 17 for the cuvettes 18 to pass downward. The rectangular opening is used to limit the corresponding cuvette 18 to ensure the stability of the placement of the cuvette 18; and the two side surfaces of the cuvette 18 close to the emitting device 15 and the receiving device 16 are both translucent surfaces, while the other two sides are frosted surfaces.

[0040] An active detection mechanism is installed inside the detection box 1, on either side of the transmitter 15 and receiver 16. This mechanism includes two partitions 21 symmetrically fixedly connected to the detection box 1. Each partition 21 has a through-hole 22. Two electric slides 23 are symmetrically fixedly installed inside the detection box 1, on the side facing away from the partitions 21. There are four electric slides 23, each slidably supported by an electric slider 24. These slides 23 are controlled by the controller 12. The initial positions of the four electric sliders 24 are all on the side facing away from the partitions 21. Four pulleys 25 are rotatably connected to the two side walls of the inspection box 1. These pulleys are symmetrically arranged in pairs above the two electric slide rails 23 on the same side. Two pulleys 26 are rotatably connected to the adjacent sides of the two partitions 21. Four pulleys 26 are provided. A pull rope 27 is wound between each pulley 25 and pulley 2 26 on the same side. The four pulleys 25 and 26 are located at the same height, and both partitions 21 are provided with circular holes for the pull ropes 27 to pass horizontally. The outer surfaces of the four pulleys 25 and 26 are smooth to reduce friction. The pull ropes 27 are made of polyester fiber, which is highly wear-resistant, has a long service life, and is not easily corroded. The end of the pull rope 27 near pulley 1 25 is fixedly connected to the top surface of the corresponding electric slider 24. The side of the two partition plates 21 that are close to each other is respectively provided with a limit groove 210. There are four limit grooves 210 in total. The internal space of each of the four limit grooves 210 is slidably provided with a limit block 29. The sliding portion of the limit block 29 and the limit groove 210 is T-shaped, and the shape of the limit groove 210 is adapted to the shape of the T-shaped portion of the limit block 29. There are four limit blocks 29 in total. A sealing plate 28 is fixedly connected between the two limit blocks 29 on the same side. There are two sealing plates 28 in total. The initial positions of the two sealing plates 28 are mutually aligned with the through-holes 22 on the corresponding partition plates 21. The surfaces of the two sealing plates 28 that are close to each other are mutually aligned with the two side surfaces of the bracket frame 17. The end of the pull rope 27 near pulley 26 is fixedly connected to the top surface of the corresponding limit block 29.

[0041] Further, if Figure 6 、 Figure 7As shown, a concave opening 171 is provided at the top of the bracket frame 17 and at a position corresponding to the cuvette 18, and a follower plate 281 is fixedly connected to the side where the two sealing plates 28 are close to each other and at a position corresponding to the cuvette 18. A wiping cotton 282 is adhered to the side of the follower plate 281 close to the cuvette 18. The wiping cotton 282 is adhered to the follower plate 281 by Velcro for user replacement, and the surface of the wiping cotton 282 away from the follower plate 281 is attached to the light-transmitting surfaces on both sides of the cuvette 18. The width of the follower plate 281 and the wiping cotton 282 is the same as the width of the inside of the cuvette 18, and after the follower plate 281 and the wiping cotton 282 move to the final position, they are located in the corresponding concave opening 171, and when the two are in this position, they will not block the position of the cuvette 18 below the concave opening 171. In other words, the cuvette 18 can be located below the concave opening 171 and can normally receive the irradiation of the light emitted by the emitting device 15 without affecting normal detection.

[0042] During use, the inspector manually flips the sealing cover 14 upward to open it. Then, they place the cuvettes 18 containing the feed enzyme reagent downward through the rectangular opening and place them one by one on the bracket 17. Once all cuvettes 18 have been placed, the inspector flips the sealing cover 14 downward to reset it. Subsequently, the controller 12 simultaneously activates each electric slide 23. As the electric slides 23 are activated, they cause the electric slider 24 to move horizontally along the track of the electric slide 23 toward the partition plate 21, thereby driving the transmitter 15 and receiver 16 to move synchronously. This means that the transmitter 15 and receiver 16 move closer to each other, that is, closer to the light-transmitting surfaces on either side of each cuvette 18. As each electric slider 24 moves horizontally toward the partition plate 21, the pull cord 27 pulls the sealing plate 28 upward along the track of the limit slot 210. When the electric slider 24 stops moving the transmitter 15 and receiver 16, the sealing plate 28 is no longer blocked by the through-opening 22. At this time, the inspector activates the transmitting device 15 and the receiving device 16 through the controller 12, and uses the transmitting device 15 to emit light, which is irradiated on the light-transmitting surface of the cuvette 18, and then begins to detect the feed enzyme reagent inside the cuvette 18. The relevant information of the detection will be displayed on the display 11 for the inspector to view and analyze.

[0043] After the inspection is completed, the inspector controls the electric slide 23 through the controller 12 to reset the electric slider 24. After the electric slider 24 is reset, it automatically moves downward to its initial position under the gravity of the sealing plate 28, and automatically blocks against the corresponding sealing plate 28, so that the transmitting device 15 and the receiving device 16 are respectively in independent spaces.

[0044] Therefore, by setting two sealing plates 28 between the transmitting device 15 and the receiving device 16, the transmitting device 15 and the receiving device 16 are moved closer to each other for testing only after the testing personnel have placed the cuvette 18 and closed the sealing cover 14. This avoids the testing personnel accidentally touching the transmitting device 15 and the receiving device 16 during the process of manually placing the cuvette 18, causing unnecessary contamination on the surfaces of the two, and thus affecting the detection effect of the two during the detection operation. Moreover, when no detection is performed, the transmitting device 15 and the receiving device 16 are blocked by the corresponding sealing plates 28, prompting the two to be in independent sealed spaces respectively, which can also effectively prevent external dust and impurities from adhering to the surfaces of the two.

[0045] In addition, during the upward movement of the sealing plate 28, the follower plate 281 and the wiping cotton 282 will also be driven to move upward synchronously, and each wiping cotton 282 will move upward synchronously along the light-transmitting surfaces on both sides of the corresponding cuvette 18, so that the wiping cotton 282 can be used to wipe the light-transmitting surfaces on both sides of the cuvette 18, and the water droplets or fingerprints attached to the light-transmitting surfaces of the cuvette 18 can be effectively removed to prevent the water droplets and fingerprints from affecting the light emitted by the emitting device 15, thereby ensuring the accuracy of the detection data.

[0046] Example 2:

[0047] like Figures 8 to 10 As shown, the feed enzyme preparation activity detection instrument also includes a follower striking mechanism disposed on both the bracket frame 17 and the sealing plate 28. The follower striking mechanism includes multiple follower rods 31 fixedly connected to a sealing plate 28 on the side of the bracket frame 17. The position of each follower rod 31 corresponds one-to-one with the position of each cuvette 18, and the follower rods 31 are made of iron. Four positioning shafts 32 are symmetrically fixedly connected within the bracket frame 17 and on both sides of each cuvette 18. A side plate 33 is slidably connected between the four positioning shafts 32. The exterior of each of the four positioning shafts 32 is sheathed with a spring 321, one end of which is fixedly connected to the outer wall of the positioning shaft 32 and the other end is fixedly connected to the outer wall of the side plate 33. A plurality of triangular blocks 34 are evenly fixedly disposed on the side of the side plate 33 away from the cuvette 18. Each triangular block 34 is provided with two inclined surfaces on the side away from the side plate 33. The inclined surfaces of each triangular block 34 are located on the path of vertical movement of the corresponding follower rod 31. The outer surface of the follower rod 31 and the inclined surfaces of the triangular blocks 34 are both smooth. A plurality of abutments 35 are evenly disposed on the surface of the side plate 33 near the cuvette 18. Each abutment 35 is made of elastic rubber, and the plurality of abutments 35 are distributed in a rectangular shape. Specifically, the rectangular distribution surfaces of the abutments 35 correspond to the frosted surfaces on both sides of the cuvette 18. Initially, the abutments 35 do not contact the frosted surfaces of the cuvette 18, and the spring 321 is not deformed.

[0048] During use in the above-mentioned embodiment 1, after the inspector places the cuvette 18 on the bracket rack 17, as the sealing plate 28 moves upward, the follower rod 31 will also be driven to move synchronously, and the follower rod 31 will squeeze the inclined surface of the triangular block 34, thereby prompting the two side plates 33 on the frosted surfaces on both sides of each cuvette 18, and the multiple push rods 35 on the two side plates 33, to move horizontally toward the frosted surfaces on both sides of the cuvette 18. During the process, each spring 321 is compressed until multiple push rods 35 hit the frosted surfaces on both sides of the cuvette 18, and multiple triangular blocks 34 are equidistantly arranged on the side plates 33, so that as the follower rod 31 gradually moves upward, each push rod 35 will be prompted to intermittently and reciprocally hit the outer walls of the cuvette 18.

[0049] Therefore, after each cuvette 18 is placed, each push rod 35 reciprocates to knock on both sides of the cuvette 18, generating a vibration force on both sides of the cuvette 18, and utilizing the vibration force to promote uniform mixing of the feed enzyme reagent components inside the cuvette 18, thereby avoiding the impact of uneven distribution of the internal components of the reagent during detection on the final detection data. Compared with the manual shaking method or the rotation shaking method in the prior art, the vibration method is more convenient and more conducive to the uniform distribution of the components in the reagent.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A feed enzyme preparation activity detection instrument, comprising a detection box (1) and a detection component arranged inside the detection box (1), wherein a display (11) and a controller (12) are respectively arranged on one side of the top surface of the detection box (1), a placement opening (13) is provided at the center of the top surface of the detection box (1), and a sealing cover (14) is rotatably connected to the placement opening (13), the detection component comprises a transmitter (15) and a receiver (16) respectively arranged on both sides of the interior of the detection box (1), the transmitter (15) and the receiver (16) are symmetrically arranged on both sides of the interior of the detection box (1), and is characterized in that A bracket rack (17) is provided inside the detection box (1) and between the transmitting device (15) and the receiving device (16), and no less than four cuvettes (18) are placed on the bracket rack (17) at equal intervals; An active detection mechanism is provided inside the detection box (1) and on both sides of the transmitting device (15) and the receiving device (16), and the active detection mechanism includes two partition plates (21) symmetrically fixedly connected to the inside of the detection box (1), and the two partition plates (21) are respectively provided with a through hole (22), and two electric slide rails (23) are symmetrically fixedly installed inside the detection box (1) and on the side away from each other of the two partition plates (21), and there are four electric slide rails (23) in total, and an electric slider (24) is slidably provided on each of the electric slide rails (23), and four pulleys (25) are rotatably connected to the two side walls inside the detection box (1), and the four pulleys (25) are symmetrically arranged in pairs above the two electric slide rails (23) on the same side, and two pulleys (26) are rotatably connected to the side of the two partition plates (21) close to each other, and there are four pulleys (26) in total, and the pulleys (25) on the same side are rotatably connected. ) and the second pulley (26) are each wound with a pull rope (27), and one end of the pull rope (27) close to the first pulley (25) is fixedly connected to the top surface of the corresponding electric slider (24), and the two partition plates (21) are each provided with a limit groove (210) on the side close to each other, and there are four limit grooves (210) in total, and the insides of the four limit grooves (210) are each slidably provided with a limit block (29), and there are four limit blocks (29) in total, which are located on the same side. A sealing plate (28) is fixedly connected between the two limit blocks (29), and there are two sealing plates (28) in total, and the initial positions of the two sealing plates (28) are in contact with the through openings (22) on the corresponding partition plates (21), and the side surfaces of the two sealing plates (28) close to each other are in contact with the two side surfaces of the bracket frame (17), and one end of the pull rope (27) close to the second pulley (26) is fixedly connected to the top surface of the corresponding limit block (29); A concave opening (171) is provided on the top of the bracket frame (17) and at a position corresponding to the cuvette (18); a follower plate (281) is fixedly connected to a side of the two sealing plates (28) close to each other and at a position corresponding to the cuvette (18); and a wiping cotton (282) is bonded to a side of the follower plate (281) close to the cuvette (18); The width of the follower plate (281) and the wiping cotton (282) is the same as the width of the interior of the cuvette (18), and the follower plate (281) and the wiping cotton (282) are located in the corresponding concave opening (171) after moving up to the final position; The bracket frame (17) and the sealing plate (28) are both provided with a follower knocking mechanism, the follower knocking mechanism comprising a plurality of follower rods (31) fixedly connected to a sealing plate (28) close to the bracket frame (17), the position of each follower rod (31) corresponding to the position of each cuvette (18), four positioning shafts (32) are symmetrically fixedly connected inside the bracket frame (17) and located on both sides of each cuvette (18), and there is a sliding connection between the four positioning shafts (32). The side plate (33) is provided with a spring (321) on the outside of the four positioning shafts (32). A plurality of triangular blocks (34) are evenly fixedly provided on the side of the side plate (33) away from the cuvette (18). Each of the triangular blocks (34) is provided with two inclined surfaces on the side away from the side plate (33). The inclined surface of each triangular block (34) is located on the vertical movement path of the corresponding follower rod (31). A plurality of abutment rods (35) are evenly provided on the surface of the side plate (33) close to the cuvette (18).

2. The feed enzyme preparation activity detection instrument according to claim 1, characterized in that: The initial positions of the four electric sliders (24) are all located on a side away from the partition plate (21).

3. The feed enzyme preparation activity detection instrument according to claim 1, characterized in that: The four pulleys (25) and the four pulleys (26) are located at the same level, and the two partition plates (21) are both provided with circular holes for the pull rope (27) to pass through horizontally.

4. The feed enzyme preparation activity detection instrument according to claim 1, characterized in that: The outer surfaces of the four pulleys 1 (25) and the four pulleys 2 (26) are all smooth surfaces.

5. The feed enzyme preparation activity detection instrument according to claim 1, characterized in that: The sliding portion of the limiting block (29) and the limiting groove (210) is T-shaped, and the shape of the limiting groove (210) is adapted to the shape of the T-shaped portion of the limiting block (29).

6. The feed enzyme preparation activity detection instrument according to claim 5, characterized in that: The outer surface of the follower rod (31) and the inclined surface of the triangular block (34) are both smooth surfaces.

7. The feed enzyme preparation activity detection instrument according to claim 5, characterized in that: Each of the push rods (35) is made of elastic rubber material, and a plurality of the push rods (35) are distributed in a rectangular shape.

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