CN116327174A - Earthworm body length measuring device - Google Patents
Earthworm body length measuring device Download PDFInfo
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- CN116327174A CN116327174A CN202211721834.2A CN202211721834A CN116327174A CN 116327174 A CN116327174 A CN 116327174A CN 202211721834 A CN202211721834 A CN 202211721834A CN 116327174 A CN116327174 A CN 116327174A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Abstract
The invention discloses an earthworm body length measuring device, which comprises a cooling piece; the measuring table is arranged at the top end of the cooling piece, and the cooling piece is used for cooling the measuring table; the first measuring assembly is fixed at the top end of the measuring table and is connected with a first measuring piece in a sliding manner; the second measuring assembly is arranged at the top end of the measuring table and corresponds to the first measuring assembly, the second measuring assembly moves relative to the first measuring assembly through the adjusting piece, the second measuring assembly is connected with the second measuring piece in a sliding mode, the first measuring piece and the second measuring piece are provided with protruding ends close to each other, and the earthworms are located between the protruding ends of the first measuring piece and the protruding ends of the second measuring piece. The invention can realize accurate body length measurement of living earthworms by utilizing the response of earthworms to temperature, and solves the problems that the manual measurement error is large and the data of different measuring staff cannot be compared with each other at present.
Description
Technical Field
The invention relates to the technical field of measuring instruments, in particular to an earthworm body length measuring device.
Background
Earthworms, invertebrates, phylum annelid, oligochaeta. The variety is up to 2500 or more. There are about 100 kinds of them in our country. The body is long cylindrical, and is common to about several centimeters to tens of centimeters, and the soil with more humus is eaten, so that the soil improvement agent has a certain effect. Because the body contains a plurality of special enzymes, the organic waste can be decomposed, which is helpful for solving the problem of environmental pollution. In recent years, earthworms can absorb mercury, lead, cadmium and other trace heavy metals in soil and serve as monitoring animals for heavy metal pollution in soil. In the experimental process, the body length of the earthworms is often required to be measured and statistically analyzed with other related indexes for related research, but at present, no standard method for measuring the body length of the earthworms exists, the standard method is used for roughly measuring the body length of the earthworms by using a graduated scale manually by an experimenter, and because living earthworms are not easy to measure, the earthworms are often required to be killed by alcohol for measurement, and the earthworms cannot be used for carrying out the next experiment. The invention provides a mechanical device for measuring the body length of earthworms, which utilizes the response of earthworms to temperature to accurately measure the body length of living earthworms and solves the problems that the manual measurement error is large and the data of different measuring staff cannot be compared.
Disclosure of Invention
The invention aims to provide an earthworm body length measuring device, which solves the problems in the prior art, can accurately measure the body length of living earthworms by utilizing the response of earthworms to temperature, and solves the problems that the conventional manual measurement error is large and different measuring staff cannot compare data.
In order to achieve the above object, the present invention provides the following solutions: the invention provides an earthworm body length measuring device, which comprises,
a cooling member;
the measuring table is arranged at the top end of the cooling piece, and the cooling piece is used for cooling the measuring table;
the first measuring assembly is fixed at the top end of the measuring table and is connected with a first measuring piece in a sliding manner;
the second measurement assembly is arranged at the top end of the measurement table and corresponds to the first measurement assembly, the second measurement assembly moves relative to the first measurement assembly through the adjusting piece, the second measurement assembly is connected with the second measurement piece in a sliding mode, the first measurement piece and the second measurement piece are provided with protruding ends close to each other, and the earthworms are located between the protruding ends of the first measurement piece and the protruding ends of the second measurement piece.
Further, the cooling piece comprises an ice water bath, chilled water is arranged in the ice water bath, an adhesive tape is fixedly connected to the top end of the ice water bath, and the bottom end of the measuring table is in contact with the top end of the adhesive tape.
Furthermore, the bottom of the ice water bath is communicated with a water inlet and outlet pipe, a valve is fixed on the water inlet and outlet pipe, and the top of the ice water bath is communicated with a water level display pipe.
Further, the first measurement assembly comprises a fixing strip fixedly connected with the top end of the measurement table, a first sliding groove is formed in the top end of the fixing strip, the first measurement piece is a measurement ruler arranged in the first sliding groove, and the measurement ruler is matched with the first sliding groove and is in sliding connection with the first sliding groove.
Further, the second measuring assembly comprises a moving bar which is slidably connected with the top end of the measuring table, a second sliding groove is formed in the top end of the moving bar, the second measuring piece is a sliding sheet which is arranged in the second sliding groove, and the sliding sheet is matched with the second sliding groove and is slidably connected with the second sliding groove.
Further, the protruding end on the measuring ruler is a first pointer, the first pointer is fixedly connected with the measuring ruler, the protruding end on the sliding sheet is a second pointer, the second pointer is fixedly connected with the moving strip, and two ends of the earthworm are located between the first pointer and the second pointer and respectively contacted with the first pointer and the second pointer.
Furthermore, an I-shaped sliding groove is formed in the top end of the measuring table, an I-shaped sliding block matched with the I-shaped sliding groove is fixedly connected to the bottom end of the moving strip, and the I-shaped sliding block is located in the I-shaped sliding groove.
Further, the side wall of the measuring table is fixedly connected with a positioning block, the positioning block is located at one side, far away from the fixed bar, of the movable bar, the adjusting piece comprises a pushing screw penetrating through the positioning block, the pushing screw is in threaded connection with the positioning block, and the tail end of the pushing screw is detachably connected with the movable bar.
Further, the third round hole for the pushing screw to extend into the moving bar is formed in the side wall of the moving bar, the square hole is formed in the second sliding groove, the third round hole is communicated with the square hole, the clamping spring is clamped on the square hole, the tail end of the pushing screw extends into the clamping spring and is clamped with the clamping spring, and the pushing screw is detachably connected with the moving bar through the clamping spring.
Further, a first graduated scale and a second graduated scale are fixed at the top end of the measuring table, the first graduated scale and the second graduated scale are positioned between the fixed strip and the movable strip, and two ends of the earthworm are positioned between the first graduated scale and the second graduated scale.
The invention discloses the following technical effects:
1. through this measuring device for earthworm body length measuring's standardization, device easy operation, simple to operate, design benefit, rational in infrastructure, easy dismounting, the transportation of being convenient for, it is convenient to use, can replace artifical manual measurement, makes the measurement become accurate quick, has improved work efficiency greatly.
2. By arranging the cooling piece, the characteristic that the activity of earthworms is reduced or even dormant at low temperature is utilized, so that the length of the earthworms can be measured rapidly and accurately; the invention can conveniently realize the measurement of the body length of living earthworms without affecting other scientific experiments by using earthworms.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a cooling element;
FIG. 2 is a perspective view showing the positional relationship between the first pointer and the second pointer;
FIG. 3 is a perspective view of a positioning block;
FIG. 4 is a perspective view of the connection of the push screw and the snap spring;
wherein, 1, an ice water bath; 2. an adhesive tape; 3. a partition plate; 4. a water level display tube; 5. a water inlet pipe and a water outlet pipe; 6. a valve; 7. a first round hole; 8. a second round hole; 9. a measuring station; 10. a fixing strip; 11. a first chute; 12. a measuring ruler; 13. a first pointer; 14. a first scale; 15. moving the bar; 16. i-shaped sliding grooves; 17. an I-shaped sliding block; 18. a sliding sheet; 19. a second chute; 20. a second pointer; 21. a second scale; 22. square holes; 23. a third round hole; 24. a positioning block; 25. advancing the screw; 26. a first screw hole; 27. a set screw; 28. a fourth round hole; 29. a circular groove; 30. clamping springs; 31. and a second screw hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 4, the present invention provides an earthworm body length measuring apparatus, comprising, a cooling member; the measuring table 9 is arranged at the top end of the cooling piece, and the cooling piece is used for cooling the measuring table 9; the first measuring component is fixed at the top end of the measuring table 9 and is connected with a first measuring piece in a sliding manner; the second measurement assembly is arranged at the top end of the measurement table 9 and corresponds to the first measurement assembly, the second measurement assembly moves relative to the first measurement assembly through the adjusting piece, the second measurement assembly is connected with the second measurement piece in a sliding mode, the first measurement piece and the second measurement piece are provided with protruding ends close to each other, and the earthworms are located between the protruding ends of the first measurement piece and the protruding ends of the second measurement piece.
The temperature reducing part is used for reducing the temperature of the measuring table 9, the earthworm is placed on the measuring table 9, when the temperature is reduced, the activity of the earthworm is reduced and even dormant, the second measuring component on the measuring table 9 is moved to the first measuring component, the body of the earthworm is in a straight line under the action of the second measuring component and the first measuring component, then the protruding ends of the first measuring component and the second measuring component are slid, the two protruding ends are respectively contacted with the two ends of the earthworm, the length of the earthworm can be effectively and accurately measured, the earthworm can be replaced after the measurement is completed, and the operation is repeated.
Further optimizing scheme, the cooling piece includes an ice water bath 1, is provided with chilled water in the ice water bath 1, and ice water bath 1 top rigid coupling has adhesive tape 2, and measuring table 9 bottom and adhesive tape 2 top contact.
As shown in fig. 1, an ice water bath 1 is used as a container for containing chilled water, a rubber strip 2 is bonded at the top end of the ice water bath 1, an assembled measuring table 9 is vertically pressed on the rubber strip 2 at the top end of the ice water bath 1, a gap between the bottom end of the measuring table 9 and the top end of the ice water bath 1 is plugged by the rubber strip 2, meanwhile, a certain friction force is generated at the contact part of the rubber strip 2 and the measuring table 9, the measuring table 9 can be conveniently fixed during the setting, and meanwhile, the measuring table 9 is conveniently detached from the ice water bath 1 after the measurement is finished.
Wherein the adhesive tape 2 is a closed high-elastic rubber strip, and the adhesive tape 2 is adhered to each side of the top end of the ice water bath 1 through glue.
Specifically, the chilled water is a mixture of the ice bag and water, the ice bag is placed in the ice water bath 1, and water is injected into the ice water bath 1, so that the ice bag cools the water, and the temperature of the measuring table 9 is reduced.
In one embodiment of the invention, the ice water bath 1 is a rectangular tank type container, the baffle plates 3 embedded with each other are fixed in the ice water bath 1, the plurality of baffle plates 3 are matched to divide the ice water bath 1 into a plurality of small water tanks, such as six water tanks, in average, wherein chilled water can freely circulate among the water tanks, and ice bags are respectively placed in different water tanks.
Further, the ice water bath 1 and the measuring table 9 are preferably made of aluminum alloy.
Further optimizing scheme, the water inlet and outlet pipe 5 is communicated with the bottom of the ice water bath 1, the valve 6 is fixed on the water inlet and outlet pipe 5, and the water level display pipe 4 is communicated with the top of the ice water bath 1. When measuring, open valve 6, connect business turn over water pipe 5 and water supply installation through the rubber tube, water injection in to ice-water bath 1 through business turn over water pipe 5 to show the water level in the ice-water bath 1 through water level display tube 4, after the water level reaches predetermined requirement, close water supply installation and valve 6, make measuring table 9 quick cooling under the effect of chilled water.
Specifically, the second round hole 8 has been seted up to ice water bath 1 bottom lateral wall, and second round hole 8 is fixed and is used for connecting business turn over water pipe 5 through gluing with business turn over water pipe 5, and first round hole 7 has been seted up to ice water bath 1 top lateral wall, and first round hole 7 is used for connecting water level display tube 4, simultaneously, and water level display tube 4 preferably adopts the transparent hard plastic tubing of right angle shape to be connected fixedly with first round hole 7 through gluing.
Further optimizing scheme, first measurement subassembly includes the fixed strip 10 with measuring bench 9 top rigid coupling, and first spout 11 has been seted up on fixed strip 10 top, and first measurement spare is the dipperstick 12 of setting in first spout 11, dipperstick 12 and first spout 11 adaptation and with first spout 11 sliding connection. The fixing strip 10 is fixed at the top end of the measuring table 9, and the measuring ruler 12 can be a standard graduated ruler.
It is understood that the width of the measuring scale 12 is adapted to the first runner 11, and that the measuring scale 12 is limited by the first runner 11 such that the measuring scale 12 can only move in the extending direction of the first runner 11.
Further optimizing scheme, the second measurement assembly includes the movable strip 15 with measuring bench 9 top sliding connection, and second spout 19 has been seted up on the movable strip 15 top, and the second measurement piece is the gleitbretter 18 that sets up in second spout 19, gleitbretter 18 and second spout 19 adaptation and with second spout 19 sliding connection. The moving bar 15 can move relative to the fixed bar 10, that is, the moving bar 15 moves towards the direction of the fixed bar 10 through the adjusting piece, clamps the earthworms and straightens the earthworms, and similarly, the sliding piece 18 is matched with the second sliding groove 19 and moves along the extending direction of the second sliding groove 19.
In a further optimized scheme, the protruding end on the measuring scale 12 is a first pointer 13, the first pointer 13 is fixedly connected with the measuring scale 12, the protruding end on the sliding sheet 18 is a second pointer 20, the second pointer 20 is fixedly connected with the moving strip 15, and two ends of the earthworm are positioned between the first pointer 13 and the second pointer 20 and respectively contacted with the first pointer 13 and the second pointer 20.
As shown in fig. 2, the first pointer 13 and the second pointer 20 are respectively located at two ends of the earthworm, the positions of the first pointer 13 and the second pointer 20 are adjusted by moving the positions of the measuring scale 12 and the sliding sheet 18, and the second pointer 20 is pointed to the position of the measuring scale 12, which cooperates with the first pointer 13 to measure the length of the earthworm.
In one embodiment of the present invention, the first pointer 13 and the second pointer 20 are respectively adhered and fixed on the top ends of the measuring scale 12 and the sliding sheet 18, and in this structure, the thickness of the measuring scale 12 is the same as that of the first sliding slot 11, and the thickness of the sliding sheet 18 is the same as that of the second sliding slot 19.
In another embodiment of the present invention, the first pointer 13 and the second pointer 20 are respectively adhered and fixed on the side walls of the measuring ruler 12 and the sliding sheet 18, which are close to each other, and in this structure, the thickness of the measuring ruler 12 is slightly greater than the thickness of the first sliding slot 11, and the thickness of the sliding sheet 18 is slightly greater than the depth of the second sliding slot 19.
Preferably, the first pointer 13 corresponds to the zero graduation line of the measuring scale 12, and the second pointer 20 corresponds to the middle position of the slide 18.
In a further optimized scheme, the top end of the measuring table 9 is provided with an I-shaped chute 16, the bottom end of the moving bar 15 is fixedly connected with an I-shaped sliding block 17 matched with the I-shaped chute 16, and the I-shaped sliding block 17 is positioned in the I-shaped chute 16. The i-shaped slide 17 cooperates with the i-shaped slide groove 16 such that the moving bar 15 can only move in the extending direction of the i-shaped slide groove 16, i.e. the moving bar 15 can only be close to the fixing bar 10 or far from the fixing bar 10.
In one embodiment of the present invention, the I-shaped chute 16 is preferably provided with two sets, while the I-shaped slider 17 mated with the I-shaped chute 16 is provided with two sets.
In a further optimized scheme, the side wall of the measuring table 9 is fixedly connected with a positioning block 24, the positioning block 24 is positioned on one side of the movable bar 15 far away from the fixed bar 10, the adjusting piece comprises a pushing screw 25 penetrating through the positioning block 24, the pushing screw 25 is in threaded connection with the positioning block 24, and the tail end of the pushing screw 25 is detachably connected with the movable bar 15. The pushing screw 25 rotates and moves on the positioning block 24, and the moving bar 15 moves on the measuring table 9 under the action of the pushing screw 25 because the moving bar 15 is limited by the cooperation of the i-shaped chute 16 and the i-shaped slide block 17.
As shown in fig. 3, specifically, the positioning block 24 is provided with a first screw hole 26, and the first screw hole 26 is used for allowing the pushing screw 25 to pass through and realizing threaded connection between the pushing screw 25 and the positioning block 24.
Further, two fourth round holes 28 are formed in the positioning block 24, fixing screws 27 penetrate through the fourth round holes 28, second screw holes 31 are formed in the side wall of the measuring table 9, the tail ends of the fixing screws 27 extend into the second screw holes 31 and are in threaded connection with the side wall of the measuring table 9, and the positioning block 24 is detachably connected with the measuring table 9 through the fixing screws 27.
Further optimizing scheme, the third round hole 23 that supplies propulsion screw 25 to stretch into in the movable strip 15 is offered to movable strip 15 lateral wall, has offered square hole 22 in the second spout 19, and third round hole 23 and square hole 22 intercommunication, block has jump ring 30 on the square hole 22, propulsion screw 25 end stretch into in jump ring 30 and with jump ring 30 joint, propulsion screw 25 passes through jump ring 30 and movable strip 15 detachable connection.
As shown in fig. 4, it can be understood that a side wall of the snap spring 30 is fixed on the moving bar 15 through the square hole 22, a circular groove 29 is formed at the tail end of the pushing screw 25, and the pushing screw 25 is clamped with the snap spring 30 through the circular groove 29, so that the pushing screw 25 is connected with the moving bar 15.
Further optimizing scheme, the top of the measuring table 9 is fixed with a first graduated scale 14 and a second graduated scale 21, the first graduated scale 14 and the second graduated scale 21 are positioned between the fixed strip 10 and the movable strip 15, and two ends of the earthworm are positioned between the first graduated scale 14 and the second graduated scale 21.
It can be understood that the measuring direction of the first scale 14 and the second scale 21 is perpendicular to the measuring direction of the measuring scale 12, that is, after the moving bar 15 approaches the fixed bar 10 to clamp the earthworms, the first scale 14 and the second scale 21 can measure the distance between the moving bar 15 and the fixed bar 10, and thus can measure the diameters of the earthworms.
Specifically, when the length of the earthworm body is measured, the measuring table 9 is assembled, the I-shaped sliding blocks 17 on two sides below the movable bar 15 are inserted in alignment with the I-shaped sliding grooves 16, the fixing screws 27 penetrate through the fourth round holes 28 and are screwed into the second screw holes 31, the positioning blocks 24 are fixed at the front ends of the measuring table 9, the pushing screw 25 is rotated to penetrate through the front ends of the first screw holes 26 and is inserted into the third round holes 23, the clamp springs 30 are clamped on the round grooves 29 from the square holes 22, the measuring ruler 12 is placed into the first sliding grooves 11, the first pointer 13 points to the movable bar 15, the sliding sheets 18 are placed into the second sliding grooves 19, and the second pointer 20 points to the fixed bar 10. Then, frozen ice bags are respectively added into six small isolation grooves of the ice water bath 1, and the assembled measuring table 9 is vertically pressed on the adhesive tape 2 of the ice water bath 1. The water inlet and outlet pipe 5 is connected with a water supply device by a rubber pipe, the valve 6 is opened, cold water is injected into the water supply device, the water supply device is closed when the water level reaches the upper end of the water level display pipe 4, and the valve 6 is closed. The measuring table 9 is rapidly cooled down under the action of ice water.
The length of the earthworms is measured, the earthworms are placed between the fixed bars 10 and the movable bars 15, the pushing screw 25 is rotated clockwise to push the movable bars 15 to approach the fixed bars 10, and the pushing bars are stopped rotating when the earthworms are in a straight line. The sliding measuring scale 12 enables the inner side of the first pointer 13 to be aligned with one end of the earthworm, the sliding vane 18 enables the second pointer 20 to be aligned with the other end of the earthworm, the reading indicated by the second pointer 20 on the measuring scale 12 is observed and recorded, namely the body length of the earthworm to be measured, and meanwhile, the body diameter of the earthworm can be obtained by observing the indication scale of the movable strip 15 on the first scale 14 or the second scale 21. The pushing screw 25 is rotated counterclockwise, the measured earthworms are taken out, and the sample to be measured is replaced to repeat the above operation.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. The utility model provides an earthworm body length measuring device which characterized in that: comprising the steps of (a) a step of,
a cooling member;
the measuring table (9) is arranged at the top end of the cooling piece, and the cooling piece is used for cooling the measuring table (9);
the first measuring assembly is fixed at the top end of the measuring table (9), and a first measuring piece is connected to the first measuring assembly in a sliding manner;
the second measurement assembly is arranged at the top end of the measurement table (9) and corresponds to the first measurement assembly, the second measurement assembly moves relative to the first measurement assembly through the adjusting piece, the second measurement assembly is connected with a second measurement piece in a sliding mode, the first measurement piece and the second measurement piece are provided with protruding ends close to each other, and earthworms are located between the protruding ends of the first measurement piece and the protruding ends of the second measurement piece.
2. The earthworm length measurement device as set forth in claim 1, wherein: the cooling piece comprises an ice water bath (1), chilled water is arranged in the ice water bath (1), an adhesive tape (2) is fixedly connected to the top end of the ice water bath (1), and the bottom end of the measuring table (9) is in contact with the top end of the adhesive tape (2).
3. The earthworm length measurement device as set forth in claim 2, wherein: the water level display device is characterized in that a water inlet and outlet pipe (5) is communicated with the bottom of the ice water bath (1), a valve (6) is fixed on the water inlet and outlet pipe (5), and a water level display pipe (4) is communicated with the top of the ice water bath (1).
4. The earthworm length measurement device as set forth in claim 1, wherein: the first measurement assembly comprises a fixing strip (10) fixedly connected with the top end of the measurement table (9), a first sliding groove (11) is formed in the top end of the fixing strip (10), the first measurement piece is a measurement ruler (12) arranged in the first sliding groove (11), and the measurement ruler (12) is matched with the first sliding groove (11) and is in sliding connection with the first sliding groove (11).
5. The earthworm length measurement device as in claim 4, wherein: the second measuring assembly comprises a moving strip (15) which is slidably connected with the top end of the measuring table (9), a second sliding groove (19) is formed in the top end of the moving strip (15), the second measuring piece is a sliding sheet (18) which is arranged in the second sliding groove (19), and the sliding sheet (18) is matched with the second sliding groove (19) and is slidably connected with the second sliding groove (19).
6. The earthworm length measurement device as in claim 5, wherein: the protruding end on dipperstick (12) is first pointer (13), first pointer (13) with dipperstick (12) rigid coupling, the protruding end on gleitbretter (18) is second pointer (20), second pointer (20) with remove strip (15) rigid coupling, earthworm both ends are located between first pointer (13) and second pointer (20) and respectively with first pointer (13) with second pointer (20) contact.
7. The earthworm length measurement device as in claim 5, wherein: an I-shaped sliding groove (16) is formed in the top end of the measuring table (9), an I-shaped sliding block (17) matched with the I-shaped sliding groove (16) is fixedly connected to the bottom end of the moving strip (15), and the I-shaped sliding block (17) is located in the I-shaped sliding groove (16).
8. The earthworm length measurement device as in claim 5, wherein: the measuring table is characterized in that a positioning block (24) is fixedly connected to the side wall of the measuring table (9), the positioning block (24) is located on one side, far away from the fixed bar (10), of the movable bar (15), the adjusting piece comprises a pushing screw (25) penetrating through the positioning block (24), the pushing screw (25) is in threaded connection with the positioning block (24), and the tail end of the pushing screw (25) is detachably connected with the movable bar (15).
9. The earthworm length measurement device as in claim 8, wherein: the side wall of the movable strip (15) is provided with a third round hole (23) for the pushing screw (25) to extend into the movable strip (15), a square hole (22) is formed in the second sliding groove (19), the third round hole (23) is communicated with the square hole (22), a clamp spring (30) is clamped on the square hole (22), the tail end of the pushing screw (25) extends into the clamp spring (30) and is clamped with the clamp spring (30), and the pushing screw (25) is detachably connected with the movable strip (15) through the clamp spring (30).
10. The earthworm length measurement device as in claim 5, wherein: the top end of the measuring table (9) is fixedly provided with a first graduated scale (14) and a second graduated scale (21), the first graduated scale (14) and the second graduated scale (21) are positioned between the fixed strip (10) and the movable strip (15), and two ends of the earthworm are positioned between the first graduated scale (14) and the second graduated scale (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211721834.2A CN116327174B (en) | 2022-12-30 | 2022-12-30 | Earthworm body length measuring device |
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| CN202211721834.2A CN116327174B (en) | 2022-12-30 | 2022-12-30 | Earthworm body length measuring device |
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| CN212807263U (en) * | 2021-01-13 | 2021-03-26 | 山东畜牧兽医职业学院 | Integrated measuring device for fish body length and weight |
| CN216898635U (en) * | 2021-08-26 | 2022-07-05 | 四川农业大学 | Fish length correction measuring device |
| CN218097492U (en) * | 2022-08-11 | 2022-12-20 | 苏州姆巴升机械科技有限公司 | Device for measuring length of shaft parts |
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