CN210690199U

CN210690199U - Shaking table for measuring wheat trace SDS precipitation value

Info

Publication number: CN210690199U
Application number: CN201921558630.5U
Authority: CN
Inventors: 唐建卫; 高艳; 殷贵鸿
Original assignee: Henan Agricultural University
Current assignee: Henan Agricultural University
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-05
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a shaking table is used in survey of wheat trace SDS sedimentation value, comprising a base plate, the top left side rigid coupling of bottom plate has first support, the top of first support is rotated through first round pin axle and is connected with the second support, the equal rigid coupling threaded rod in the top left and right sides of second support. This shaking table is used in measurement of wheat trace SDS sedimentation value, through the slender pole, a spring, cooperation between plectane and the rubber pad, can be with the tight centre gripping of test tube at the top of diaphragm, the effectual in-process test tube that prevents to wave drops problem, avoid causing the influence to the detection, the smooth going on of operation has been guaranteed, and this shaking table is used in measurement of wheat trace SDS sedimentation value, the shaking table amplitude of oscillation increases to 90 degrees, the rotational speed drops for every minute 30 revolutions, it slowly moves and the mixing to have realized mixed liquid in 10mL trace test tube, the difficult problem that the shaking table can not shake evenly because of the viscous force puzzlement has effectively been solved, the improvement test efficiency who is showing, can realize fast, it is accurate, the big batch breeding generation individual plant material of low.

Description

Shaking table for measuring wheat trace SDS precipitation value

Technical Field

The utility model relates to a wheat trace SDS sedimentation value survey technical field specifically is a shaking table is used in wheat trace SDS sedimentation value survey.

Background

Wheat is one of the most important grain crops in China, and is the core of national grain safety, the purpose and classification of wheat are directly determined by the quality difference of wheat, the SDS precipitation value determination method is suitable for determining the quality difference of protein, and is obviously related to the baking quality of bread, an SDS constant method is frequently used in laboratories, a 100mL glass measuring cylinder with a plug grinding opening is required to be matched, the used shaking table is an imported special shaking table, 8 measuring cylinders can be placed at one time, the swing range is 60 degrees (namely 30 degrees respectively towards the same horizontal lines at two sides), and the swing range is 40 times per minute. The method uses a large amount of samples and reagents, a matched shaking table and a measuring cylinder are imported products, the price is high, the method is not suitable for being used for detecting a large-batch breeding generation single plant in a wheat breeding unit, at present, the method is improved to form a method for detecting a trace SDS precipitation value, 10mL glass test tubes with plugs and ground openings are adopted, the use amount of detected samples and reagents is obviously reduced, the diameter of the 10mL measuring cylinder is small and is influenced by the viscous force of a mixed solution of the samples and the reagents, all existing shaking tables cannot meet the experimental requirements in the aspects of structures such as swing amplitude, swing frequency and the like, and only each test tube needs to be shaken manually in detection, so that the technical level of a detected result is greatly influenced, the repetition is often inconsistent, and the detection efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaking table is used in survey of wheat trace SDS sedimentation value to it is great to be influenced by tester technical level to propose the test result in solving above-mentioned background art, often inconsistent between repetition, and detection efficiency is low, can not use the shaking table to shake even problem because of the viscous force puzzlement.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shaking table is used in survey of wheat trace SDS sedimentation value, includes the bottom plate, the top left side rigid coupling of bottom plate has first support, the top of first support is rotated through first round pin axle and is connected with the second support, the equal rigid coupling of the top left and right sides of second support has the threaded rod, the outer wall clearance fit of threaded rod has the diaphragm, the outer wall threaded connection of threaded rod has the nut, the bottom of nut offsets tightly, two with the top of diaphragm the inboard top of diaphragm is passed through second round pin axle and is rotated and link to each other, two the bottom of diaphragm all laminates mutually with the top of second support, the below of second support is equipped with power unit, two the equal rigid coupling in the top outside of diaphragm has the rubber sleeve, the inner wall interference fit of rubber sleeve has the test tube, the outside of test tube is equipped with and supports tight device.

Preferably, power unit includes servo motor, eccentric gear and chase, servo motor's bottom is passed through the top right side rigid coupling of support with the bottom plate and is in the same place, servo motor's output is in the same place with eccentric gear's back rigid coupling, eccentric gear's outer wall is in the same place with the inner wall meshing of chase, the outer wall clearance fit of horizontal pole violently manages, the bottom of violently managing is in the same place with the top rigid coupling of bottom plate, the left side top rigid coupling of chase has the horizontal pole, the top left side of horizontal pole is in the same place with the bottom meshing of second support.

Preferably, the right side of the support is flush with the right end of the bottom plate.

Preferably, the height of the second bracket can provide a space for the transverse plate to reciprocate by an angle of 90 degrees.

Preferably, support tight device and include pin, plectane and rubber pad, the inboard end of pin is in the same place with the outside rigid coupling of plectane, the inboard of plectane is in the same place with the outside rigid coupling of rubber pad, the inboard of rubber pad offsets tightly with the outside of test tube, the pin runs through the outside of diaphragm, and pin and diaphragm clearance fit, the outer wall of pin has cup jointed the spring, both ends are in the same place with diaphragm and plectane rigid coupling respectively about the spring.

Preferably, the abutting device can be horizontally expanded on the transverse plate into a plurality of devices, including more than 10 devices.

Compared with the prior art, the beneficial effects of the utility model are that: this shaking table is used in measurement of wheat trace SDS sedimentation value, through the slender pole, a spring, cooperation between plectane and the rubber pad, can be with the tight centre gripping of test tube at the top of diaphragm, can effectually prevent to wave the problem that in-process test tube drops, avoid causing the influence to the detection, the smooth going on of operation has been guaranteed, and this shaking table is used in measurement of wheat trace SDS sedimentation value, the shaking table amplitude of oscillation increases to 90 degrees, the rotational speed drops for every minute 30 revolutions, it slowly moves and the mixing to have realized mixed liquid in 10mL trace test tube, effectively solved because of the viscous force puzzlement can not use the shaking table to shake even difficult problem, show and improve test efficiency, can realize fast, it is accurate, the big generation individual plant material of breeding in batches of low-.

Drawings

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

FIG. 2 is a schematic view showing the connection structure of the thin rod, the circular plate and the spring in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the first pin, the cross plate and the threaded rod in FIG. 1;

FIG. 4 is a schematic view of a connection structure of the eccentric gear, the servo motor and the iron frame in FIG. 1;

fig. 5 is a schematic view of a partial arrangement structure of 20 test tubes.

In the figure: 1. the device comprises a power mechanism, 101, an eccentric gear, 102, a servo motor, 103, a support, 104, an iron frame, 105, a cross rod, 106, a transverse pipe, 2, a bottom plate, 3, a butting device, 301, a thin rod, 302, a circular plate, 303, a rubber pad, 304, a spring, 4, a test tube, 5, a first support, 6, a first pin shaft, 7, a second support, 8, a transverse plate, 9, a second pin shaft, 10, a threaded rod, 11, a nut, 12 and a rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a shaking table for measuring a wheat trace SDS (sodium dodecyl sulfate) precipitation value comprises a bottom plate 2, wherein a first support 5 is fixedly connected to the left side of the top of the bottom plate 2, the first support 5 is matched with a second support 7, and can play a supporting role for two transverse plates 8 through the matching of a threaded rod 10 and a nut 11, the top of the first support 5 is rotatably connected with the second support 7 through a first pin shaft 6, the left side and the right side of the top of the second support 7 are fixedly connected with the threaded rod 10, the outer wall of the threaded rod 10 is in clearance fit with the transverse plates 8, the outer wall of the threaded rod 10 is in threaded connection with the nut 11, the bottom of the nut 11 is abutted against the top of the transverse plates 8, the top of the inner sides of the two transverse plates 8 is rotatably connected through a second pin shaft 9, the bottom of the two transverse plates 8 is respectively attached to the top of the second support 7, a power mechanism 1 is, the quantity of rubber sleeve 12 is decided according to the use needs, generally speaking, for guaranteeing the operating efficiency, ten are no less than to the quantity of 8 top rubber sleeves 12 of diaphragm, and rubber sleeve 12 can play fixed effect to test tube 4, and the inner wall interference fit of rubber sleeve 12 has test tube 4, and the outside of test tube 4 is equipped with and supports tight device 3.

The power mechanism 1 comprises a servo motor 102, an eccentric gear 101 and an iron frame 104, wherein the bottom of the servo motor 102 is fixedly connected with the right side of the top of a bottom plate 2 through a support 103, the type of the servo motor 102 is SM80-D601930, the output end of the servo motor 102 is fixedly connected with the back of the eccentric gear 101, the outer wall of the eccentric gear 101 is meshed with the inner wall of the iron frame 104, the eccentric gear 101 rotates through the iron frame 104 to drive a cross rod 105 to do left-right reciprocating motion, the top of the left side of the iron frame 104 is fixedly connected with the cross rod 105, the left side of the top of the cross rod 105 is meshed with the bottom of a second support 7, the second support 7 can be driven to do reciprocating motion by the left-right reciprocating motion of the cross rod 105 by taking a first pin shaft 6 as a center, the outer wall of the cross rod 105 is in clearance fit with a transverse pipe 106, the bottom of the transverse pipe 106 is, the power mechanism 1 swings 30 times per minute, and the right side of the support 103 is flush with the right end of the base plate 2.

The tight device 3 that supports includes slender pole 301, circular plate 302 and rubber pad 303, the inboard end of slender pole 301 and the outside rigid coupling of circular plate 302 are in the same place, the inboard of circular plate 302 and the outside rigid coupling of rubber pad 303 are in the same place, the inboard of rubber pad 303 offsets tightly with the outside of test tube 4, the laminating compactness between circular plate 302 and the test tube 4 is guaranteed to rubber pad 303, slender pole 301 runs through the outside of diaphragm 8, and slender pole 301 and diaphragm 8 clearance fit, the outer wall of slender pole 301 has cup jointed spring 304, spring 304 gives the elasticity that circular plate 302 is close to test tube 4, both ends are in the same place with diaphragm 8 and circular plate 302 rigid coupling respectively about spring 304, slender pole 301 plays spacing effect to diaphragm 8.

When using this wheat trace SDS sedimentation value survey to use shaking table, at first run through two threaded rods 10 respectively with two diaphragm 8, later with nut 11 and threaded rod 10 threaded connection, realize the fixed to diaphragm 8, make diaphragm 8 and second support 7 fixed together, put through servo motor 102's external power supply, servo motor 102 rotates this moment, servo motor 102 passes through the cooperation between eccentric gear 101 and the chase 104, it makes left and right reciprocating motion to drive horizontal pole 105, horizontal pole 105 drives diaphragm 8 through second support 7 and shakes, test tube 4 of the suspension that will add sample and reagent afterwards according to the order, put on diaphragm 8, test tube 4's placing method does: pulling slender rod 301, make the plectane 302 compress spring 304, it is inside to be equipped with the rubber sleeve 12 of waiting to survey the test tube 4 of solution to put into the diaphragm 8 top afterwards, remove the external force to slender rod 301, under the effect of spring 304, plectane 302 drives rubber pad 303 and supports test tube 4 tightly, prevent that the cock body of test tube 4 opening part from dropping, put into a plurality of test tubes 4 equal time interval in proper order, diaphragm 8 continuously rocks when putting test tube 4, after first test tube 4 rocks even time, equal time interval takes off test tube 4 according to precedence in proper order, make every test tube 4 continuously rock even time unanimously on diaphragm 8, after the use, the power supply is cut off.

In the actual test process, in order to improve the test efficiency, 10 test tubes can be placed in each row according to the test operation steps, 20 test tubes can be placed in each test (see fig. 5), each test tube is placed at an interval of 15 seconds and is just placed in 5 minutes, the next cycle is started, and no time is wasted.

In actual test process, because the shaking table amplitude of oscillation can reach 90 degrees to adjust the motor rotational speed for 30 revolutions per minute, realize that mixed liquid slowly moves and the mixing in 10mL test tube, effectively solved because of the viscous force puzzlement can not use the shaking table to shake even difficult problem.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shaking table for measuring a wheat trace SDS (sodium dodecyl sulfate) precipitation value comprises a bottom plate (2) and is characterized in that: a first support (5) is fixedly connected to the left side of the top of the bottom plate (2), a second support (7) is rotatably connected to the top of the first support (5) through a first pin shaft (6), threaded rods (10) are fixedly connected to the left side and the right side of the top of the second support (7), transverse plates (8) are arranged on the outer walls of the threaded rods (10) in a clearance fit mode, nuts (11) are connected to the outer walls of the threaded rods (10) in a threaded mode, the bottoms of the nuts (11) are tightly abutted to the tops of the transverse plates (8), the tops of the inner sides of the two transverse plates (8) are rotatably connected through second pin shafts (9), the bottoms of the two transverse plates (8) are respectively attached to the tops of the second supports (7), a power mechanism (1) is arranged below the second support (7), rubber sleeves (12) are fixedly connected to the outer sides of the tops of the two transverse plates (8), and test tubes (4) are in interference fit, the outside of test tube (4) is equipped with and supports tight device (3).

2. The shaking table for measuring the micro SDS precipitation value of wheat according to claim 1, wherein: power unit (1) includes servo motor (102), eccentric gear (101) and chase (104), the top right side rigid coupling of support (103) and bottom plate (2) is passed through to the bottom of servo motor (102) is in the same place, the output of servo motor (102) is in the same place with the back rigid coupling of eccentric gear (101), the outer wall of eccentric gear (101) is in the same place with the inner wall meshing of chase (104), and the outer wall clearance fit of horizontal pole (105) is violently managed (106), violently the bottom of managing (106) is in the same place with the top rigid coupling of bottom plate (2), the left side top rigid coupling of chase (104) has horizontal pole (105), the top left side of horizontal pole (105) is in the same place with the bottom meshing of second support (7).

3. The shaking table for measuring the micro SDS precipitation value of wheat according to claim 2, wherein: the right side of the support (103) is level with the right end of the bottom plate (2).

4. The shaking table for measuring the micro SDS precipitation value of wheat according to claim 1, wherein: support tight device (3) including thin pole (301), plectane (302) and rubber pad (303), the inboard end of thin pole (301) is in the same place with the outside rigid coupling of plectane (302), the inboard of plectane (302) is in the same place with the outside rigid coupling of rubber pad (303), the inboard of rubber pad (303) offsets tightly with the outside of test tube (4), thin pole (301) run through the outside of diaphragm (8), and thin pole (301) and diaphragm (8) clearance fit, the outer wall of thin pole (301) has cup jointed spring (304), both ends are in the same place with diaphragm (8) and plectane (302) rigid coupling respectively about spring (304).

5. The shaking table for measuring the micro SDS precipitation value of wheat according to claim 4, wherein: the abutting devices (3) can be horizontally expanded to more than 10 on each lateral transverse plate (8).

6. The shaking table for measuring the micro SDS precipitation value of wheat according to claim 1, wherein: the reciprocating angle of the second bracket (7) is 90 degrees.

7. The shaking table for measuring the micro SDS precipitation value of wheat according to claim 1, wherein: the power mechanism (1) shakes for 30 times per minute.