CN114323219A - Snakehead growth and development condition detection device - Google Patents

Abstract

The invention discloses a snakehead growth and development condition detection device which comprises a length measuring scale arranged on the side wall of the front end of an anatomical plate, wherein zero point scales of the length measuring scale are arranged in the center of the front end face of the anatomical plate, a central guide rail is arranged at the lower end of the anatomical plate, adjustable clamping structures are arranged at two ends of the central guide rail, right-angle connecting rods which are attached to the front side wall and the rear side wall of the anatomical plate and extend into the anatomical plate are respectively arranged at the front end and the rear end of each adjustable clamping structure, and extrusion arc plates are respectively arranged at opposite ends of the two right-angle connecting rods to form clamping groups. The invention can measure the body length by respectively attaching the head and the tail ends of the snakehead to the two clamping groups through the sum of the scales correspondingly marked on the length measuring scale at the opposite sides of the two right-angle connecting rods, and can conveniently dissect and observe the growth condition of the gonads by adjusting the adjustable clamping structure and clamping the head and the tail ends of the snakehead through the two clamping groups, and then the growth condition of the snakehead can be efficiently obtained by weighing through the rectangular electronic scale correspondingly arranged on the dissecting disc.

Description

Snakehead growth and development condition detection device

Technical Field

The invention relates to the technical field of snakehead measurement and anatomy, in particular to a snakehead growth and development condition detection device.

Background

The snakehead has high nutritive value and market value, wherein the snakehead has few bony spurs, high meat content and rich nutrition, is higher than protein contained in chicken and beef, and has the effects of removing blood stasis, promoting tissue regeneration, nourishing, recuperating and the like when being used as a medicine, after surgical operation, the edible snakehead has the functions of promoting tissue regeneration, enriching blood and promoting wound healing and has very rich nutritive value, in the breeding process of guiding farmers or breeding companies in recent years, intensive research is also carried out on the breeding and breeding of the snakehead, research results such as Chinese patents with the application numbers of 2016211254684 and a snakehead breeding device, the application numbers of 2018110952606, Chinese patents with the patent number of 2019107208817 and the patent number of a snakehead fry domestication method for feeding artificial compound feed are researched, the application number is '2021111989760', the patent name is 'epitope polypeptide of anti-snakehead Nramp antibody and the application in the antibody preparation', and the like, in the breeding of snakeheads and the breeding of parent fish, the body length, the body weight and the gonad maturity of snakeheads are three very important parameters, the growth and development degree of snakeheads can be determined, and the specific operation process is generally as follows: firstly, after a fish body is fished out for anesthesia, the body length is generally measured firstly, then in order to determine the gonad development degree, a part of the fish body is selected for dissection observation, for example, two fish bodies are respectively selected for female fish and male fish, the length of the snakehead body is generally measured by a ruler, the snakehead is carried by a flat-bottomed tray for carrying the snakehead for measurement dissection in the gonad examination, namely, the fish body is held by one hand, the body length is measured by the other hand by the ruler, and the dissection can be performed by using a dissection tool after the measurement is completed.

However, the snakehead is different from a fish body which is flat in the vertical direction generally, the snakehead is long, the front part of the snakehead is cylindrical and resembles a snake, the back part of the snakehead is gradually flat, the head of the snakehead is longer and slightly flat, the snakehead is short, wide and flat, and is smooth and easy to slip from the hand, so that the problems of length measurement, anatomical errors, low efficiency and the like are caused, based on the situation, the body length, the body weight and the gonad maturity of the snakehead are determined efficiently for confirming the growth and development condition of the snakehead, the development condition detection device is designed particularly for the body type of the snakehead, three functions of measuring the body length of the snakehead, measuring the body weight of the snakehead and dissecting auxiliary clamping special for the body type of the snakehead can be organically integrated, the function of one machine with multiple purposes is realized, the measuring and dissecting efficiency of the snakehead is greatly improved, three important characteristic data for efficiently determining the growth and development degree of the snakehead can be obtained, convenient snakehead fish breeding and parent fish breeding.

Disclosure of Invention

Aiming at the existing problems, the invention provides a device for detecting the growth and development conditions of snakeheads, the body weight of the snakehead can be weighed by a rectangular electronic scale correspondingly arranged on the dissecting disc, the sum of scales correspondingly marked on the length measuring scale through the opposite sides of the two right-angle connecting rods is equal to the distance between the two clamping groups, the head and the tail of the snakehead are respectively attached to the two clamping groups, the scales correspondingly marked on the opposite sides of the two right-angle connecting rods on the length measuring scale are observed and added, the body length of the snakeheads can be measured, and then the adjustable clamping structure is adjusted, so that the two clamping groups can clamp the head and tail ends of the snakeheads to carry out non-slip dissection, the gonad development condition of the snakeheads can be conveniently dissected and observed, three important characteristic data for determining the growth and development degree of the snakeheads can be efficiently obtained, and breeding of parent snakeheads are facilitated.

The technical scheme of the invention is as follows:

the invention provides a snakehead growth and development condition detection device which comprises an anatomical disc, a length measuring scale, an extrusion arc plate, a right-angle connecting rod, an adjustable clamping structure and a central guide rail, wherein the anatomical disc is in a rectangular disc-shaped structure, the side wall of the front end of the anatomical disc is provided with the length measuring scale extending transversely from left to right, the zero point scale of the length measuring scale is arranged in the center of the front end face of the anatomical disc, the scale of the length measuring scale is sequentially increased from the zero point scale to the left end and the right end of the anatomical disc, the center guide rail extending transversely from left to right is arranged in the center of the lower end face of the anatomical disc, the two ends of the central guide rail are respectively nested and adjustably locked with the adjustable clamping structure, the front end and the rear end of the adjustable clamping structure are respectively provided with the right-angle connecting rod attached to the front side wall and the rear side wall of the anatomical disc, the vertical part of the right-angle connecting rod is attached to the front side wall and the rear side wall of the anatomical disc, and the upper end horizontal part extends inwards towards the disc by bypassing the upper end of the anatomical disc, the horizontal parts of the right-angle connecting rods in the same adjustable clamping structure extend oppositely, opposite ends of the right-angle connecting rods are respectively provided with vertically extending extrusion arc plates to form a clamping group, the sum of scales correspondingly marked on the length measuring scale at the opposite sides of the two right-angle connecting rods is equal to the distance between the two clamping groups, the centers of the two extrusion arc plates in the same clamping group are relatively concavely curved and can synchronously and relatively move and be locked through the corresponding adjustable clamping structure, and the two clamping groups can respectively clamp the head and the tail of the snakehead.

Furthermore, the adjustable clamping structure comprises a first swing rod, a first knob, a first connecting block, a lead screw, a second swing rod, a second connecting block, a guide frame, a lower connecting rod, a central guide rail, a sliding block, a locking limiting structure and a second bolt, wherein the first swing rod and the second swing rod are equal in length, the end parts of the first swing rod and the second swing rod, which are far away from the center of the dissecting disc, are hinged together through a hinged shaft, the lower end of the hinged shaft is provided with the first connecting block, the lead screw transversely penetrates through the first connecting block and is embedded in a thread, the end parts of the lead screw, which are far away from the center of the dissecting disc, are provided with the first connecting block, the lead screw horizontally extends towards the center of the dissecting disc, the end parts, which are close to the center of the dissecting disc, are hinged with the second connecting block, the upper end of the second connecting block is provided with the guide frame, the two ends of the guide frame respectively extend forwards and backwards from the upper end of the second connecting block in opposite directions at equal lengths, the upper end of the guide frame is provided with the sliding block, the sliding block is nested on the central guide rail, enabling the adjustable clamping structure to be suspended from a center rail; the second bolt sequentially penetrates through the second connecting block, the guide frame and the sliding block from bottom to top and is in threaded connection with the second connecting block, the guide frame and the sliding block, and the upper end of the second bolt is abutted against the lower end face of the central guide rail, so that the adjustable clamping structure can be detachably locked on the central guide rail; the front side and the rear side of the guide frame are respectively provided with a guide long hole, parallel lower connecting rods are correspondingly arranged above the guide frame, a locking limiting structure is arranged between the lower connecting rods and the guide frame, so that the lower connecting rods are constrained on the guide frame and can move back and forth along the guide long holes, and the end parts of the first swinging rod and the second swinging rod close to the center of the dissecting disk are respectively and correspondingly hinged to the end parts of the lower connecting rods close to the sliding block.

Further, locking limit structure includes lock nut, connecting screw and gag lever post, first swinging arms and second swinging arms are leaned on the tip of dissecting the dish center and are run through respectively correspondingly and have connecting screw, connecting screw's the fixed setting in upper end is by wearing out the direction slot hole downwards at the tip and the lower extreme of slider down at the connecting rod, connecting screw wears out the partial screw thread nestification of direction slot hole downwards and has lock nut, the connecting rod is by the fixed gag lever post that is equipped with in one side of keeping away from the slider of connecting screw on the tip to the slider down, makes the connecting rod can only be along direction slot hole front and back horizontal migration down.

Furthermore, a square through hole is formed in the part, far away from the center of the dissecting disc, of the lower side wall of the second connecting block, the end, close to the center of the dissecting disc, of the lead screw is embedded into the second connecting block and exposed out of the square through hole, and a limiting nut is embedded in the part, in the square through hole, of the lead screw in a threaded manner.

Furthermore, a telescopic support located above the dissecting plate is arranged between the rear sides of the left end and the right end of the dissecting plate, and an electronic scale is arranged on the telescopic support.

Further, telescopic bracket includes lifting support, fixed sleeve and first bolt, four fixed sleeve is the rectangle and distributes and correspond the setting respectively in the left and right sides of dissecting the dish, the last corresponding embedding of fixed sleeve has lifting support's lower extreme stand and the embedding of upper end lateral wall screw thread has first bolt, the tip that first bolt stretches into in the fixed sleeve presses on lifting support's lower extreme stand.

Furthermore, the electronic scale comprises a long weighing disc, a scale body, a control box, a display screen and a control button, wherein the left end and the right end of the long weighing disc extend oppositely to form a rectangular disc-shaped structure capable of adapting to the snakehead body shape, the scale body is supported at the lower end of the long weighing disc, the scale body is in a rectangular structure corresponding to the long weighing disc, the control box extending obliquely forwards and downwards is arranged in the center of the front end of the long weighing disc, the display screen and the control button are arranged on the upper inclined plane of the control box, a controller and a battery are arranged inside the control box, the controller is electrically connected with the battery, the weighing sensor, the display screen and the control button in the scale body respectively, and the controller processes detection data of the weighing sensor according to the operation of the control button and displays the detection data on the display screen.

Further, the lower extreme of control box is equipped with horizontal extension and is pipy lamp cover, the downside of lamp cover is equipped with the slot hole, be equipped with the lamp tube in the lamp cover, lamp tube and controller electric connection shine, both ends stretch out the lamp cover respectively and are equipped with adjust knob about shining the lamp tube, through rotating adjust knob for the light that shines the lamp tube can shine out the slot hole and adjust the angle of shining down.

Further, the control button comprises a switch button, a zero setting button and a switch lamp button, the switch button controls the electronic scale to be turned on and turned off, the zero setting button can control the electronic scale to be peeled and weighed, and the switch lamp button can control the switch of the irradiation lamp tube.

Furthermore, a center zero marking block is arranged in the center of the front end face of the dissecting disc corresponding to the zero scale of the length measuring scale.

Due to the adoption of the technology, compared with the prior art, the invention has the following specific positive beneficial effects:

the invention can weigh the body weight of the snakehead through a rectangular electronic scale correspondingly arranged on an anatomy disc, then the sum of scales correspondingly marked on a length measurement scale through the opposite sides of two right-angle connecting rods is equal to the distance between two clamping groups, the head and the tail of the snakehead are respectively attached to the two clamping groups, the scales correspondingly marked on the opposite sides of the two right-angle connecting rods on the length measurement scale are observed and then added, the body length of the snakehead can be measured, and the two clamping groups can clamp the head and the tail of the snakehead to carry out antiskid anatomy through adjusting an adjustable clamping structure, so that the gonad development condition of the snakehead can be conveniently dissected and observed, three important characteristic data for determining the growth and development degree of the snakehead can be efficiently obtained, and the snakehead breeding and the parent fish breeding are convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the present invention at a certain bottom view;

FIG. 4 is a schematic view of a structure associated with the adjustable clamping mechanism of the present invention;

FIG. 5 is a bottom view of the structure shown in FIG. 4;

fig. 6 is a schematic view of the structure shown in fig. 4 at a bottom view.

In the figure: 1-weighing long plate, 2-lifting support, 3-fixing sleeve, 4-first bolt, 5-dissecting long plate, 6-extruding arc plate, 7-right angle connecting rod, 8-length measuring scale, 9-supporting leg, 10-center zero point marking block, 11-scale body, 12-control box, 13-display screen, 14-control button, 15-illuminating lamp tube, 16-lamp sleeve, 17-adjusting knob, 18-first swinging rod, 19-first knob, 20-first connecting block, 21-lead screw, 22-second swinging rod, 23-second connecting block, 24-guide frame, 25-lower connecting rod, 26-center guide rail, 27-sliding block, 28-second bolt, 29-limit nut and 30-locking nut, 31-connecting screw rod, 32-limiting rod.

Detailed Description

The first embodiment is as follows:

as shown in attached figures 1-6, the invention provides a snakehead growth and development condition detection device, which comprises an anatomical disc, a length measuring scale 8, a center zero point marking block 10, an extrusion arc plate 6, a right-angle connecting rod 7, an adjustable clamping structure and a central guide rail 26, wherein the anatomical disc is in a rectangular disc-shaped structure, the side wall of the front end of the anatomical disc is provided with the length measuring scale 8 extending horizontally from left to right, the center of the front end surface of the anatomical disc is provided with a zero point scale of the length measuring scale 8, the center zero point marking block 10 is arranged corresponding to the zero point scale of the length measuring scale 8, the scales of the length measuring scale 8 are sequentially increased from the zero point scale to the left and right ends, the center guide rail 26 extending horizontally from left to right is arranged at the center of the lower end surface of the anatomical disc, the two ends of the central guide rail 26 are respectively nested and adjustably locked with the adjustable clamping structure, the front and rear ends of the adjustable clamping structure are respectively provided with the right-angle connecting rod 7 attached to the front and rear side walls of the anatomical disc, the vertical parts of the right-angle connecting rods 7 are attached to the front and rear side walls of the dissecting disc, the horizontal parts of the upper ends of the right-angle connecting rods extend towards the inside of the dissecting disc by bypassing the upper ends of the dissecting disc, the horizontal parts of the right-angle connecting rods 7 in the same adjustable clamping structure extend oppositely, and the opposite ends of the right-angle connecting rods 7 are respectively provided with vertically extending extrusion arc plates 6 to form a clamping group;

the sum of the scales correspondingly marked on the length measuring scale 8 on the opposite sides of the two right-angle connecting rods 7 is equal to the distance between the two clamping groups, the head and the tail of the snakehead are respectively attached to the two clamping groups, and the scales correspondingly marked on the opposite sides of the two right-angle connecting rods 7 on the length measuring scale 8 are observed and added to measure the body length of the snakehead;

the centers of the two extrusion arc plates 6 in the same clamping group are relatively concave and can synchronously and relatively move and be locked through the corresponding adjustable clamping structures, so that the two clamping groups can respectively clamp the head and tail ends of the fish body of the snakehead, the snakehead is relatively accurately clamped and fixed by the adjustable clamping structures, two hands can be greatly liberated, and the snakehead gonads can be conveniently dissected by the two hands to observe and determine the development degree of the snakehead gonads.

As shown in fig. 3-6, the adjustable clamping structure includes a first swing rod 18, a first knob 19, a first link block 20, a lead screw 21, a second swing rod 22, a second link block 23, a guide frame 24, a lower link 25, a central guide rail 26, a slider 27, a lock nut 30, a connecting screw 31, a limit rod 32 and a second bolt 28, wherein the first swing rod 18 and the second swing rod 22 have equal length, and the end portion far away from the center of the anatomical disc is hinged together by a hinge shaft to form a first link block 20 at the lower end of the hinge shaft, the lead screw 21 transversely penetrates through the first link block 20 and is embedded in a thread, the first link block 20 is arranged at the end portion far away from the center of the anatomical disc of the lead screw 21, the lead screw 21 horizontally extends towards the center of the anatomical disc and is hinged to form a second link block 23 at the end close to the center of the anatomical disc, the guide frame 24 is arranged at the upper end of the second link block 23, the two ends of the guide frame 24 respectively extend forward and backward in opposite directions from the upper end of the second link block 23 with equal length, the upper end of the guide frame 24 is provided with a slide block 27, and the slide block 27 is nested on the central guide rail 26, so that the adjustable clamping structure can be hung on the central guide rail 26; the second bolt 28 sequentially penetrates from bottom to top and is in threaded connection with the second connecting block 23, the guide frame 24 and the slide block 27, and the upper end of the second bolt abuts against the lower end face of the central guide rail 26, so that the adjustable clamping structure can be detachably locked on the central guide rail 26; the front side and the rear side of the guide frame 24 are respectively provided with a guide long hole, the upper parts of the guide long holes are correspondingly provided with parallel lower connecting rods 25, a locking limiting structure is arranged between the lower connecting rods 25 and the guide frame 24, so that the lower connecting rods 25 are restrained on the guide frame 24 and can move back and forth along the guide long holes, and the end parts of the first swinging rod 18 and the second swinging rod 22 close to the center of the dissecting disc are respectively and correspondingly hinged on the end parts of the lower connecting rods 25 close to the sliding blocks 27;

the end parts of the first swinging rod 18 and the second swinging rod 22 close to the center of the dissecting disk are respectively and correspondingly penetrated with a connecting screw rod 31, the upper end of the connecting screw rod 31 is fixedly arranged at the end part of the lower connecting rod 25 close to the sliding block 27, the lower end of the connecting screw rod 31 downwards penetrates out of the guide long hole, the part of the connecting screw rod 31 downwards penetrating out of the guide long hole is embedded with a locking nut 30 in a threaded manner, and the end part of the lower connecting rod 25 close to the sliding block 27 is fixedly provided with a limiting rod 32 at one side of the connecting screw rod 31 far away from the sliding block 27, so that the lower connecting rod 25 can only horizontally move back and forth along the guide long hole; the part of the lower side wall of the second connecting block 23 far away from the center of the dissecting plate is provided with a square through hole, the end part of the screw rod 21 close to the center of the dissecting plate is embedded in the second connecting block 23 and exposed in the square through hole, and the part of the screw rod 21 in the square through hole is embedded with a limit nut 29.

The use process aiming at the adjustable clamping structure is as follows: after the snakeheads are weighed, the snakeheads are placed in the center of an anatomical disc, the length direction of the snakeheads is the same as the length direction of the anatomical disc, at the moment, two extrusion arc plates 6 in a clamping group are relatively attached together, adjustable clamping structures are arranged at the left end and the right end of the central guide rail, the upper ends of the second bolts 28 are separated from the lower end face of the central guide rail 26 through respectively turning two second bolts 28, the whole adjustable clamping structure can slide left and right relative to the central guide rail 26, the two adjustable clamping structures are moved to the opposite side faces of the two clamping groups and respectively attached to the heads and the tails of the snakeheads, the sum of the scales is the body length of the snakeheads by reading scales corresponding to the vertical parts of the two right-angle connecting rods 7, then the two first connecting blocks 20 respectively move towards the center of the anatomical disc along the corresponding lead screws 21 through respectively turning two first turning knobs 19, and the first swinging rods 18 and the second swinging rods 22 respectively drive the same adjustable clamping knot under the pushing of the corresponding first connecting blocks 20 Two lower connecting rods 25 in the structure move oppositely along a guide frame 24, correspondingly, two right-angle connecting rods 7 corresponding to the same adjustable clamping structure also move oppositely, two extrusion arc plates 6 in the same clamping group synchronously move oppositely until the width of the head or the tail of the snakehead is adapted, then two second bolts 28 are respectively held by hands to push the two adjustable clamping structures to the proper positions of the head and the tail of the snakehead, the second bolts 28 are screwed to the two adjustable clamping structures and locked on a central guide rail 26, then the first knobs 19 are respectively rotated reversely to enable the head and the tail of the snakehead to be respectively clamped in the two clamping groups, and in the whole process, due to the synchronous action of the adjustable clamping structures on the two extrusion arc plates 6 in the clamping groups, the snakehead can be clamped in the center of the anatomical disc, and the snakehead can be relatively accurately positioned and clamped in the center of the anatomical disc, the problem of pollution caused by outward splashing in the dissection process can be effectively avoided, and the snakehead gonad development condition can be conveniently dissected and observed.

Wherein, in order to conveniently and efficiently weigh the body weight of the snakehead, aiming at the long characteristic of the snakehead body shape, four fixing sleeves 3 which are distributed in a rectangular shape and are respectively and correspondingly arranged at the left side and the right side of the dissecting disc are arranged at the rear sides of the left end and the right end of the dissecting disc, a first bolt 4 is correspondingly embedded in the fixing sleeves 3, the lower end upright post of a lifting bracket 2 is embedded in the upper end side wall of the fixing sleeves 3, the end part of the first bolt 4 extending into the fixing sleeves 3 is pressed on the lower end upright post of the lifting bracket 2, a scale body 11 is arranged on the lifting bracket 2, the scale body 11 is in a cuboid structure adapting to the long characteristic of the snakehead body shape, the upper end of the scale body 11 is pressed on a weighing long disc 1, the left end and the right end of the weighing disc 1 extend oppositely to form a cuboid structure adapting to the long characteristic of the snakehead shape, a control box 12 extending obliquely forwards and downwards is arranged in the center of the front end of the scale body 11, a display screen 13 and a control button 14 are arranged on the upper inclined plane of the control box 12, and a controller and a battery are arranged in the control box, the control button 14 comprises a switch button, a zero setting button and a switch lamp button, the switch button controls the electronic scale to be turned on and off, the zero setting button can control the electronic scale to be peeled and weighed, the switch lamp button can control the on and off of the irradiation lamp tube 15, the controller is respectively electrically connected with the battery, the weighing sensor in the scale body 11, the display screen 13 and the control button 14, and the controller processes and displays detection data of the sensor according to the operation of the control button 14 on the display screen 13.

In order to facilitate the dissection of snakeheads in the dissecting plate, a tubular lamp sleeve 16 which extends transversely is arranged at the lower end of the control box 12, a long hole is formed in the lower side of the lamp sleeve 16, an illuminating lamp tube 15 is arranged in the lamp sleeve 16, the illuminating lamp tube 15 is electrically connected with the controller, the left end and the right end of the illuminating lamp tube 15 respectively extend out of the lamp sleeve 16 and are provided with adjusting knobs 17, and the adjusting knobs 17 are manually rotated to enable light rays of the illuminating lamp tube 15 to illuminate the long hole and adjust the downward illuminating angle.

Claims (10)

1. A snakehead growth and development condition detection device is characterized in that: including dissecting dish, length measurement scale, extrusion arc board, right angle connecting rod, adjustable clamp structure and central guide rail, dissect the dish and be rectangle disk structure and front end lateral wall and be equipped with about horizontal extension length measurement scale, length measurement scale's zero point scale sets up at dissecting the preceding terminal surface central authorities of dish, length measurement scale's scale increases in proper order to both ends about to from zero point scale, dissect the lower terminal surface central authorities of dish and be equipped with about horizontal extension's central guide rail, the both ends of central guide rail are nested respectively and adjustably to be locked have adjustable clamp structure, both ends are equipped with respectively around adjustable clamp structure and lean on the right angle connecting rod of dissecting the dish around pasting, the vertical part of right angle connecting rod is pasted and is leaned on the upper end that dissects the dish and extend towards the dish around dissecting the upper end of dish by dissecting the front and back lateral wall and upper end horizontal part of dissecting the right angle connecting rod of adjustable clamp structure extend relatively and the looks remote site is equipped with vertical extension's extrusion arc board respectively The two clamping groups are formed, the sum of scales correspondingly marked on the length measuring scale on the opposite sides of the two right-angle connecting rods is equal to the distance between the two clamping groups, and the centers of the two extrusion arc plates in the same clamping group are relatively concave and can synchronously and relatively move and be locked through corresponding adjustable clamping structures, so that the two clamping groups can respectively clamp the head and the tail of the snakehead.

2. The device for detecting the growth and development conditions of snakeheads according to claim 1, wherein: the adjustable clamping structure comprises a first swing rod, a first knob, a first connecting block, a lead screw, a second swing rod, a second connecting block, a guide frame, a lower connecting rod, a central guide rail, a slider, a locking limiting structure and a second bolt, wherein the first swing rod and the second swing rod are equal in length, the end parts of the first swing rod and the second swing rod, which are far away from the center of the dissecting disc, are hinged together through a hinged shaft, the lower end of the hinged shaft is provided with the first connecting block, the lead screw transversely penetrates through the first connecting block and is embedded in a thread, the end parts of the lead screw, which are far away from the center of the dissecting disc, horizontally extends towards the center of the dissecting disc, and the end parts, which are close to the center of the dissecting disc, are hinged together with the second connecting block, the upper end of the second connecting block is provided with the guide frame, the two ends of the guide frame respectively extend oppositely from the front and back of the upper end of the second connecting block in equal length, the upper end of the guide frame is provided with the slider, which is nested on the central guide rail, enabling the adjustable clamping structure to be suspended from a center rail; the second bolt sequentially penetrates through the second connecting block, the guide frame and the sliding block from bottom to top and is in threaded connection with the second connecting block, the guide frame and the sliding block, and the upper end of the second bolt is abutted against the lower end face of the central guide rail, so that the adjustable clamping structure can be detachably locked on the central guide rail; the front side and the rear side of the guide frame are respectively provided with a guide long hole, parallel lower connecting rods are correspondingly arranged above the guide frame, a locking limiting structure is arranged between the lower connecting rods and the guide frame, so that the lower connecting rods are constrained on the guide frame and can move back and forth along the guide long holes, and the end parts of the first swinging rod and the second swinging rod close to the center of the dissecting disk are respectively and correspondingly hinged to the end parts of the lower connecting rods close to the sliding block.

3. The device for detecting the growth and development conditions of snakeheads according to claim 2, wherein: locking limit structure includes lock nut, connecting screw and gag lever post, first swinging arms and second swinging arms are leaned on and are run through respectively to dissecting the tip at dish center correspondingly and have connecting screw, connecting screw's the fixed setting in upper end is by wearing out the direction slot hole downwards to the tip and the lower extreme of slider down at the connecting rod, connecting screw wears out the partial screw thread nestification of direction slot hole downwards and has lock nut, the connecting rod is leaned on the fixed gag lever post that is equipped with in one side of keeping away from the slider of connecting screw on the tip to the slider down, makes the connecting rod only can be along direction slot hole front and back horizontal migration down.

4. The device for detecting the growth and development conditions of snakeheads according to claim 3, wherein: the part of the lower side wall of the second connecting block, which is far away from the center of the dissecting plate, is provided with a square through hole, the end part of the screw rod, which is close to the center of the dissecting plate, is embedded into the second connecting block and is exposed out of the square through hole, and part of the screw rod, which is in the square through hole, is embedded with a limit nut in a threaded manner.

5. The device for detecting the growth and development conditions of snakeheads according to any one of claims 1 to 4, wherein: a telescopic support located above the dissecting plate is arranged between the rear sides of the left end and the right end of the dissecting plate, and an electronic scale is arranged on the telescopic support.

6. The device for detecting the growth and development conditions of snakeheads according to claim 5, wherein: the telescopic bracket comprises a lifting bracket, a fixing sleeve and first bolts, wherein the fixing sleeve is in rectangular distribution and is respectively and correspondingly arranged on the left side and the right side of the dissecting plate, the fixing sleeve is correspondingly embedded with a lower end upright post of the lifting bracket and an upper end side wall of the lifting bracket in a threaded manner, and the first bolts extend into end parts in the fixing sleeve and are pressed on the lower end upright post of the lifting bracket.

7. The device for detecting the growth and development conditions of snakeheads according to claim 6, wherein: the electronic scale comprises a long weighing disc, a scale body, a control box, a display screen and a control button, wherein the left end and the right end of the long weighing disc extend oppositely to form a rectangular disc-shaped structure capable of adapting to the snakehead figure, the lower end of the long weighing disc is supported by the scale body, the scale body corresponds to the rectangular disc-shaped structure of the long weighing disc, the center of the front end of the rectangular disc-shaped structure is provided with the control box extending obliquely forwards and downwards, the upper inclined plane of the control box is provided with the display screen and the control button, the controller is electrically connected with the battery, the weighing sensor in the scale body, the display screen and the control button, and the controller processes and displays detection data of the symmetrical retransmission sensor according to the operation of the control button on the display screen.

8. The device for detecting the growth and development conditions of snakeheads according to claim 7, wherein: the lower end of the control box is provided with a transversely extending and tubular lamp sleeve, the lower side of the lamp sleeve is provided with a long hole, an illuminating lamp tube is arranged in the lamp sleeve and is electrically connected with the controller, and the left end and the right end of the illuminating lamp tube respectively extend out of the lamp sleeve and are provided with adjusting knobs.

9. The device for detecting the growth and development conditions of snakeheads according to claim 8, wherein: the control button comprises a switch button, a zero setting button and a switch lamp button, the switch button controls the electronic scale to be turned on and off, the zero setting button can control the electronic scale to peel and weigh, and the switch lamp button can control the switch of the irradiation lamp tube.

10. The device for detecting the growth and development conditions of snakeheads according to claim 9, wherein: and a center zero marking block is arranged in the center of the front end surface of the dissecting disc corresponding to the zero scale of the length measuring scale.

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