CN113484090B

CN113484090B - Wetland quality of water chemical element measures supplementary collection device

Info

Publication number: CN113484090B
Application number: CN202110753139.3A
Authority: CN
Inventors: 杨尧
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2023-03-28
Anticipated expiration: 2041-07-02
Also published as: CN113484090A

Abstract

The invention provides a wetland water quality chemical element measurement auxiliary collecting device, which relates to the technical field of water quality measurement and aims to solve the problem that when the existing collecting device collects wetland water resources, the collecting device moves to a position with shallow water volume and is easy to be stranded; the transverse grooves in the driving mechanism are arranged on two sides of the top of the main body, the outer side of the transverse rod in the driving mechanism is provided with a gear, and the gear on the outer side of the transverse rod in the driving mechanism is meshed with the gear on the motor side end of the top of the main body; the adjusting mechanism is arranged on the front side of the main body, the rotating plate in the adjusting mechanism is arranged on the outer side of the cross rod, and the inner plate in the adjusting mechanism is arranged on the inner side of the sleeve; the water storage mechanism penetrates through the top of the main body and is installed inside the inner cavity. The state of the connecting plate is adjusted according to the depth of the water quantity by using the connecting plate.

Description

Wetland quality of water chemical element measures supplementary collection device

Technical Field

The invention belongs to the technical field of water quality measurement, and particularly relates to an auxiliary collecting device for measuring chemical elements of wetland water quality.

Background

The wetland is a unified whole of wetland plants, animals inhabiting the wetland, microorganisms and the environment composition thereof, the water quality chemical element measurement is to perform chemical reaction on an analyzed substance in water and another substance with known composition, property and content to generate a new substance with special property, thereby determining the existence of the analyzed substance in water and the composition, property and content thereof, and facilitating the understanding and analysis of the water quality condition in the wetland.

For example, application No.: CN201911394999.1 relates to a water quality monitoring water sample collection device, relates to the collection field, including gathering box, motor and fly leaf, gather the inside a plurality of storage chambeies that are equipped with of box, the storage chamber is close to the upper end border position and is equipped with the passageway that is linked together with the outside, the body of fly leaf is equipped with the through-hole, the output shaft and the fagging key-type connection of motor, the one end fixed connection of fagging and cylinder, another terminal surface of cylinder is equipped with the boss, and the fly leaf seals the passageway in the sampling process, and water sample and external world are kept apart in the storage box to the water sample in the protection storage box, after accomplishing, make the device sink to next appointed degree of depth sampling, when sampling the different degree of depth in same waters, can once only accomplish the sampling work to the different degree of depth behind the release unit, improved sampling efficiency, through the baffle, avoided when getting the water sample, the passageway is opened under the boss effect, and the water sample is by external environment pollution, makes the testing result precision higher.

Based on the prior art discovery, current collection device carries out water resource collection in the wetland, and the water yield depth in the wetland differs, and collection device removes the position that the water yield is lighter, takes place the condition of running aground easily, and is relatively poor to complicated wetland environmental suitability, and the pasture and water in the wetland aquatic is more, makes in the pasture and water enters into the suction pump easily, influences the water intaking work of suction pump.

Disclosure of Invention

In order to solve the technical problems, the invention provides an auxiliary collecting device for measuring chemical elements of wetland water quality, which aims to solve the problems that when the existing collecting device collects water resources in a wetland, the depth of water in the wetland is different, the collecting device is moved to a position with shallow water, the grounding condition is easy to occur, the adaptability to complex wetland environment is poor, and the water intake work of a water pump is influenced because the water is easy to enter a water pump because the number of water plants in the wetland water is large.

The purpose and the effect of the wetland water quality chemical element measurement auxiliary collection device are achieved by the following specific technical means:

wetland quality of water chemical element measures supplementary collection device includes: a main body, wherein the top of the main body is provided with a motor and a water pump, the side end of the motor is provided with a gear, and two sides of the main body are provided with driving mechanisms; the transverse grooves in the driving mechanism are arranged on two sides of the top of the main body, the outer side of the transverse rod in the driving mechanism is provided with a gear, and the gear on the outer side of the transverse rod in the driving mechanism is meshed with the gear on the motor side end of the top of the main body; the adjusting mechanism is arranged on the front side of the main body, a rotating plate in the adjusting mechanism is arranged on the outer side of the cross rod, and an inner plate in the adjusting mechanism is arranged on the inner side of the sleeve; the water storage mechanism runs through the top of the main body and is installed in the inner cavity.

Further, the water storage mechanism includes: the top of the top plate is provided with a slot and the top plate is arranged at the top of the main body; the top of support plate is equipped with the ring channel, and the impeller is installed through the constructional element in the bottom of support plate, and the support plate is installed in the bottom of roof.

Further, the driving mechanism includes: the transverse groove is of a rectangular structure, and a sleeve is arranged in the transverse groove; the horizontal pole, the horizontal pole is cylindrical structure, and inserts in the inside of horizontal groove at the both ends of horizontal pole.

Further, the adjusting mechanism further comprises: the rotating plate is of an annular structure and is arranged in a groove on the inner side of the push plate through a spring; the side of inner panel, inner panel is the toper structure, and the side-mounting of inner panel has the push pedal.

Further, the driving mechanism further includes: the inner groove is of a rectangular structure and is arranged inside the shifting piece outside the sleeve; the inner rod is installed inside the inner groove through a spring, and the side end of the inner rod is slidably installed in the slot inside the connecting plate.

Further, the adjusting mechanism includes: the sliding chute is of a T-shaped structure and is arranged on the front side of the main body; the two ends of the sliding rod are provided with bumps, and the two ends of the sliding rod are slidably mounted inside the sliding groove.

Further, the adjusting mechanism further comprises: the side surface and the bottom of the baffle are provided with holes, the inside of the baffle is provided with a slot, and a sliding rod is arranged in the slot inside the baffle; the inboard of push pedal, push pedal is equipped with the recess, and the push pedal passes through the spring mounting at the top of baffle.

Further, the driving mechanism further includes: the shifting piece is arranged on the outer side of the sleeve, and the sleeve is arranged at two ends of the cross rod; the connecting plate, the inside of connecting plate is equipped with the jack, and the outer end at sleeve outside plectrum is installed through the pivot to the connecting plate.

Further, the body includes: the cover plate is arranged at the top of the main body, and a motor and a water pump at the top of the main body are arranged on the inner side of the cover plate; the inner cavity is arranged in the main body.

Further, the water storage mechanism further comprises: the test tube test device comprises a support plate, a test tube and a test tube, wherein the top of the support plate is provided with a groove; splint, splint are the arc structure, and splint pass through the spring mounting in the inboard of layer board to the inboard centre gripping of splint is in the outside of layer board top recess test tube.

Compared with the prior art, the invention has the following beneficial effects:

1. the device is provided with the connecting plate, the state of the connecting plate is adjusted according to the depth of water quantity by using the connecting plate, the connecting plate is suitable for a place with deeper water quantity when in an unfolded state, the sliding capacity to water is increased, the collecting device is convenient to move to a proper place, the working efficiency is improved, when the connecting plate is folded at the outer end of the poking sheet outside the sleeve, the connecting plate can be contacted with soil in water, the connecting plate is suitable for a place with shallower water quantity, the poking sheet outside the sleeve is prevented from being inserted into silt to influence the movement of the collecting device, meanwhile, the water quality is prevented from being stirred, the water quality is convenient to take, and the accuracy of water quality measurement is improved;

2. in this device, the baffle has been set up, can block the pasture and water of aquatic through using the baffle, the baffle slides in the outside of slide bar, can filter the pasture and water of aquatic in the position of difference, the state of rocking of baffle can effectually be to the both sides water conservancy diversion of pasture and water, prevent to cut off the vegetation that the pasture and water influences the wetland, prevent that the pasture and water from entering into in the drinking-water pipeline of the inboard position of baffle, the state of baffle according to the depth adjusting connecting plate of the water yield simultaneously, the work efficiency that quality of water was taken is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the cover plate of the present invention.

FIG. 3 is a cross sectional view of the transverse groove of the present invention.

Fig. 4 is a schematic cross-sectional structure of the sleeve of the present invention.

Fig. 5 is a schematic perspective view of the baffle of the present invention.

Figure 6 is a schematic cross-sectional view of the push plate of the present invention.

Fig. 7 is a schematic perspective view of a carrier plate according to the present invention.

Fig. 8 is a schematic perspective view of the pallet of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body; 101. a cover plate; 102. an inner cavity; 2. a drive mechanism; 201. a transverse groove; 202. a cross bar; 203. a sleeve; 204. a connecting plate; 205. an inner tank; 206. an inner rod; 3. an adjustment mechanism; 301. a chute; 302. a slide bar; 303. a baffle plate; 304. pushing the plate; 305. rotating the plate; 306. an inner plate; 4. a water storage mechanism; 401. a top plate; 402. a carrier plate; 403. a support plate; 404. and (4) clamping the plate.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a wetland water quality chemical element measurement auxiliary collecting device, which comprises: the water pump type water pump comprises a main body 1, wherein a motor and a water pump are installed at the top of the main body 1, gears are installed at the side ends of the motor, and driving mechanisms 2 are installed on two sides of the main body 1; a transverse groove 201 in the driving mechanism 2 is arranged at two sides of the top of the main body 1, a gear is arranged at the outer side of a transverse rod 202 in the driving mechanism 2, and the gear at the outer side of the transverse rod 202 in the driving mechanism 2 is meshed with the gear at the motor side end at the top of the main body 1; an adjusting mechanism 3, wherein the adjusting mechanism 3 is arranged at the front side of the main body 1, a rotating plate 305 in the adjusting mechanism 3 is arranged at the outer side of the cross rod 202, and an inner plate 306 in the adjusting mechanism 3 is arranged at the inner side of the sleeve 203; a water storage mechanism 4, the water storage mechanism 4 being mounted through the top of the body 1 inside the inner cavity 102.

Wherein, main part 1 includes: the cover plate 101 is installed at the top of the main body 1, and the motor and the water pump at the top of the main body 1 are installed on the inner side of the cover plate 101; inner chamber 102, inner chamber 102 establishes in the inside of main part 1, the motor of main part 1 top installation is used for the staff to carry out remote control drive collection device and removes, the suction pump at the top of main part 1 is used for the taking of quality of water simultaneously, apron 101 is installed and is used for protecting motor and suction pump at the top of main part 1, prevent simultaneously that other liquid from entering into the inside test tube of support plate 402 when the water intaking in, influence the degree of accuracy of later stage detection data, inner chamber 102 establishes in the inside of main part 1 for store the position of support plate 402.

Wherein, the drive mechanism 2 includes: the transverse groove 201, the transverse groove 201 is rectangular, and the sleeve 203 is installed in the transverse groove 201; the cross bar 202, the cross bar 202 is a cylindrical structure, and two ends of the cross bar 202 are inserted into the cross grooves 201; the sleeve 203, the outside of the sleeve 203 is provided with a plectrum, and the sleeve 203 is arranged at the two ends of the cross rod 202; a connecting plate 204, wherein the inside of the connecting plate 204 is provided with a jack, and the connecting plate 204 is arranged at the outer end of the poking sheet outside the sleeve 203 through a rotating shaft; an inner groove 205, wherein the inner groove 205 is rectangular, and the inner groove 205 is arranged inside the shifting piece outside the sleeve 203; the inner rod 206 is installed inside the inner groove 205 through a spring, the side end of the inner rod 206 is installed inside a slot inside the connecting plate 204 in a sliding mode, two transverse grooves 201 are formed in two sides of the top of the main body 1, the transverse rod 202 is meshed with a gear on the side end of a motor through a gear on the outer side of the transverse rod 202 to drive the transverse rod 202 to rotate, sleeves 203 installed at two ends of the transverse rod 202 rotate inside the transverse grooves 201, the connecting plate 204 on the outer side of the sleeves 203 rotates, when the deep water region exists, the side end of the inner plate 306 pushes the inner rod 206 to move outwards inside the inner groove 205, the side end of the inner rod 206 is inserted into the slot inside the connecting plate 204, the position of the connecting plate 204 is fixed, the length and the area of a plectrum on the outer side of the sleeves 203 are increased, water flow is convenient to stir in water, the main body 1 is pushed to move to a proper place to conduct water quality collection, when the region of shallow water is wet, the inner plate 306 is separated from the side end of the inner rod 206, the inner rod 206 is enabled to move inwards under the action of the spring, the connecting plate 204 loses supporting force, the connecting plate 204 is enabled to be folded, the connecting plate 204 to reduce the area of the outer side plectrum outside the sleeve 203, and the sludge is prevented from being directly inserted into the main body 1.

Wherein, adjustment mechanism 3 includes: the sliding chute 301, the sliding chute 301 is a T-shaped structure, and the sliding chute 301 is arranged at the front side of the main body 1; the two ends of the sliding rod 302 are provided with bumps, and the two ends of the sliding rod 302 are slidably arranged in the sliding groove 301; the side and the bottom of the baffle 303 are provided with holes, a slot is formed in the baffle 303, and a sliding rod 302 is arranged in the slot in the baffle 303; the inner side of the push plate 304 is provided with a groove, and the push plate 304 is arranged on the top of the baffle plate 303 through a spring; the rotating plate 305, the rotating plate 305 is a ring structure, and the rotating plate 305 is installed in a groove on the inner side of the pushing plate 304 through a spring; inner panel 306, the side of inner panel 306 is the toper structure, and the side-mounting of inner panel 306 has push pedal 304, baffle 303 inserts in aqueous, the aquatic weeds in water can be filtered to the trompil of baffle 303 side and bottom, when preventing that aquatic weeds from flowing to the rear side and influencing the suction pump, when the bottom contact shallow water region of baffle 303, baffle 303 rebound, the both ends of slide bar 302 move in the inside of spout 301 simultaneously, the intermediate position of slide bar 302 removes in the fluting of baffle 303 side, prevent that the rigid striking of baffle 303 is sunken in silt, baffle 303 promotes push pedal 304 rebound when upwards, the slope column structure of push pedal 304 side drives inner panel 306 and outwards moves from the inside of sleeve 203, commentaries on classics board 305 obtains the inside removal of effect at push pedal 304 under the spring, be convenient for make horizontal pole 202 run through the rotation.

Wherein, retaining mechanism 4 includes: a top plate 401, wherein the top of the top plate 401 is provided with a slot, and the top plate 401 is installed at the top of the main body 1; a carrier plate 402, wherein the top of the carrier plate 402 is provided with an annular groove, the bottom of the carrier plate 402 is provided with an impeller through a structural member, and the carrier plate 402 is arranged at the bottom of the top plate 401; the top of the supporting plate 403 is provided with a groove, a test tube is installed in the groove at the top of the supporting plate 403, and the supporting plate 403 is installed in an annular groove at the top of the supporting plate 402 through a spring; the clamping plate 404 is of an arc-shaped structure, the clamping plate 404 is installed on the inner side of the supporting plate 403 through a spring, the inner side of the clamping plate 404 is clamped on the outer side of a test tube in a groove in the top of the supporting plate 403, the supporting plate 402 is installed inside the inner cavity 102, the top plate 401 is installed at the top of the supporting plate 402, collected water resources are prevented from being scattered out, when the main body 1 moves, water flow pushes an impeller at the bottom of the supporting plate 402 to rotate, the supporting plate 402 rotates inside the inner cavity 102, the test tube installed inside the supporting plate 402 moves upwards under the action of the spring at the bottom of the supporting plate 403 and is inserted into a groove in the top of the top plate 401, water pumped by a water pump is stored inside the test tube, when water is more, the supporting plate 403 is pressed to move downwards, the test tube is retracted into an annular groove in the top of the supporting plate 402, the supporting plate 402 rotates again to move the next test tube upwards to take wetland water quality, water can be extracted at different positions of the wetland, water quality chemical elements in the wetland can be comprehensively known, and the position of the wetland under the action of the clamping plate 404 can be fixed, and the groove in the top plate 401 when the test tube is prevented from being ejected out when the supporting plate 403 drives the test tube to move upwards.

In another embodiment, the support plate 402 is driven to rotate by the motor, so that the water quality control device is suitable for areas with dense waterweeds or luggy plants, the water quality is prevented from being influenced by the fact that the impellers at the bottom of the support plate 402 are wound by the waterweeds and cannot rotate, the rotation precision of the support plate 402 can be improved by the motor, and the support plate 402 can be conveniently moved to a proper place.

When in use: when the wetland water quality collection is carried out, firstly, the main body 1 moves to a proper place in the wetland, a worker drives a motor at the top of the main body 1 to rotate through remote control, the baffle 303 is submerged in water, aquatic weeds in open pore water on the side surface and the bottom of the baffle 303 are guided to two sides when the baffle 303 moves, the influence of the aquatic weeds on the water pumping of a water pump is reduced, the cross rod 202 drives the sleeves 203 arranged at two ends of the cross rod 202 to rotate through a gear at the side end of the motor, when the wetland moves to a deep water area, the baffle 303 moves downwards, the push plate 304 is pulled to move downwards through a spring, the push plate 304 pushes the inner plate 306 to move inwards towards the inner side of the sleeve 203, the inner plate 306 pushes the inner rod 206 to move outwards in the inner groove 205, the inner rod 206 is inserted in the slot in the connecting plate 204, the connecting plate 204 is fixed, the length of the plectrum at the outer side of the sleeve 203 is increased, water flow is stirred to enable the main body 1 to move to a proper water pumping place, when the wetland moves to a shallow water area, the bottom of the baffle 303 contacts with the sludge, the baffle 303 moves upwards to drive the two push plates 304 to move upwards, the inclined surfaces on the side surfaces of the push plates 304 leave the inner plate 306, the inner plate 306 loses the pressure on the inner rod 206, the inner rod 206 moves inwards under the action of the spring, the connecting plate 204 is folded at the side end of the poking piece outside the sleeve 203, the connecting plate 204 is convenient to contact with the sludge, the poking piece outside the sleeve 203 is prevented from being inserted into the sludge to influence the running of the main body 1, the water flow pushes the impeller at the bottom of the support plate 402 to rotate while the main body 1 moves, the support plate 402 rotates to enable the test tube arranged in the test tube to be inserted into the notch at the top of the top plate 401 under the action of the spring at the bottom of the support plate 403, the water pumped by the water pump is stored in the test tube, meanwhile, the more pressing support plates for water collection are moved downwards, the test tube is retracted into the support plate 402, the support plate 402 rotates again to enable the next test tube 403 to move upwards to be inserted into the notch at the top of the top plate 401 to collect the water quality And (4) collecting the water quality of each test tube in sequence, collecting different positions of the wetland, and more comprehensively knowing the chemical element condition of the water quality in the wetland.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Wetland quality of water chemical element measures supplementary collection device, its characterized in that: the method comprises the following steps:

a main body (1), wherein the top of the main body (1) is provided with a motor and a water pump, a gear is arranged at the side end of the motor, and driving mechanisms (2) are arranged at two sides of the main body (1);

the transverse grooves (201) in the driving mechanism (2) are formed in two sides of the top of the main body (1), gears are mounted on the outer sides of the cross rods (202) in the driving mechanism (2), and the gears on the outer sides of the cross rods (202) in the driving mechanism (2) are meshed with the gears on the motor side end of the top of the main body (1); the drive mechanism (2) comprises: the transverse groove (201), the transverse groove (201) is of a rectangular structure, and a sleeve (203) is installed inside the transverse groove (201); the cross rod (202), the cross rod (202) is a cylindrical structure, and two ends of the cross rod (202) are inserted into the cross groove (201); the outer side of the sleeve (203) is provided with a shifting sheet, and the sleeve (203) is arranged at two ends of the cross rod (202); the connecting plate (204) is internally provided with a jack, and the connecting plate (204) is arranged at the outer end of the poking sheet at the outer side of the sleeve (203) through a rotating shaft; the inner groove (205), the inner groove (205) is of a rectangular structure, and the inner groove (205) is arranged inside the shifting sheet on the outer side of the sleeve (203); the inner rod (206) is installed inside the inner groove (205) through a spring, and the side end of the inner rod (206) is installed in a slot inside the connecting plate (204) in a sliding mode;

the adjusting mechanism (3), the adjusting mechanism (3) is installed on the front side of the main body (1), the rotating plate (305) in the adjusting mechanism (3) is installed on the outer side of the cross rod (202), and the inner plate (306) in the adjusting mechanism (3) is installed on the inner side of the sleeve (203);

a water storage mechanism (4), wherein the water storage mechanism (4) penetrates through the top of the main body (1) and is installed inside the inner cavity (102).

2. The wetland water quality chemical element measurement auxiliary collection device of claim 1, which is characterized in that: the main body (1) comprises:

the cover plate (101), the cover plate (101) is installed on the top of the main body (1), and the motor and the water pump on the top of the main body (1) are installed on the inner side of the cover plate (101);

an inner cavity (102), wherein the inner cavity (102) is arranged inside the main body (1).

3. The wetland water quality chemical element measurement auxiliary collection device of claim 1, which is characterized in that: the adjusting mechanism (3) comprises:

the sliding chute (301), the sliding chute (301) is of a T-shaped structure, and the sliding chute (301) is arranged on the front side of the main body (1);

the two ends of the sliding rod (302) are provided with bumps, and the two ends of the sliding rod (302) are slidably arranged in the sliding groove (301).

4. The wetland water quality chemical element measurement auxiliary collection device of claim 1, which is characterized in that: the adjusting mechanism (3) further comprises:

the side and the bottom of the baffle (303) are provided with holes, a groove is formed in the baffle (303), and a sliding rod (302) is arranged in the groove in the baffle (303);

the inner side of the push plate (304) is provided with a groove, and the push plate (304) is arranged at the top of the baffle plate (303) through a spring.

5. The wetland water quality chemical element measurement auxiliary collection device of claim 1, which is characterized in that: the adjusting mechanism (3) further comprises:

the rotating plate (305), the rotating plate (305) is of an annular structure, and the rotating plate (305) is arranged in a groove on the inner side of the push plate (304) through a spring;

the side end of the inner plate (306) is of a conical structure, and a push plate (304) is arranged on the side surface of the inner plate (306).

6. The wetland water quality chemical element measurement auxiliary collection device of claim 1, which is characterized in that: the water storage mechanism (4) includes:

the top of the top plate (401) is provided with a slot, and the top plate (401) is arranged at the top of the main body (1);

the impeller structure comprises a carrier plate (402), wherein an annular groove is formed in the top of the carrier plate (402), an impeller is installed at the bottom of the carrier plate (402) through a structural member, and the carrier plate (402) is installed at the bottom of a top plate (401).

7. The wetland water quality chemical element measurement auxiliary collection device of claim 1, which is characterized in that: the water storage mechanism (4) further comprises:

the test tube test device comprises a supporting plate (403), wherein a groove is formed in the top of the supporting plate (403), a test tube is installed in the groove in the top of the supporting plate (403), and the supporting plate (403) is installed in an annular groove in the top of the support plate (402) through a spring;

the clamping plate (404) is of an arc-shaped structure, the clamping plate (404) is installed on the inner side of the supporting plate (403) through a spring, and the inner side of the clamping plate (404) is clamped on the outer side of the test tube in the groove at the top of the supporting plate (403).