CN114720372A - An analytical instrument for water content testing of seabed sediments - Google Patents

Abstract

The invention relates to an analytical instrument for testing the water content of submarine sediments, which comprises an instrument body, a centrifugal mechanism and a fixing mechanism, wherein the instrument body comprises a machine plate, the centrifugal mechanism comprises a detection groove, a placing groove, a connecting sleeve, a motor and a fixing mechanism, the detection groove is detachably placed in the machine plate and is fixed by the fixing mechanism arranged on the machine plate, the placing groove is accommodated in the detection groove, the top of the placing groove is rotatably connected with the detection groove, the connecting sleeve is installed at the bottom of the placing groove, the motor is fixedly connected in the machine plate, the output end of the motor is connected with the lower end of a rotating rod, and the upper end of the rotating rod penetrates out of the machine plate and is connected with the connecting sleeve; the sample that awaits measuring is put into the standing groove, and the motor passes through bull stick and adapter sleeve and drives the standing groove rotatory on detecting the groove. The device is convenient for draining the surface of the sediment to be detected, avoids the influence on the detection accuracy of the device due to overlarge moisture of the sediment in a seawater environment, and is convenient for dismounting and cleaning the container for containing the sediment by fixedly connecting the container in the device.

Description

An analytical instrument for water content testing of seabed sediments

technical field

The invention relates to water content analysis equipment, in particular to an analysis instrument used for the water content test of seabed sediments.

Background technique

An instrument that can detect the moisture content in various organic and inorganic solids, liquids, gases and other samples is called a moisture analyzer.

The commonly used physical measurement methods include weight loss method, distillation stratification method and gas chromatography analysis method, and chemical measurement methods mainly include Karl Fischer method and toluene method. Perform moisture detection on the object to obtain the corresponding detection data. However, when using the analytical instrument for moisture content testing, the detection object is usually placed in the instrument to directly detect it. When the amount of water from the sediment in the seawater environment is too large, the detection data will be inaccurate; and the container is fixedly connected in the equipment or placed directly in the equipment, which may easily cause the utensils and equipment to fall off and separate.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned problems existing in the existing water content test, the purpose of the present invention is to provide an analytical instrument for the water content test of seabed sediments.

The purpose of this invention is to realize through the following technical solutions:

The present invention includes a body, a centrifugal mechanism and a fixing mechanism, wherein the body includes a machine plate, and the centrifugal mechanism includes a detection slot, a placement slot, a connecting sleeve, a motor, and the detection slot is detachably placed in the machine plate, and the The fixing mechanism provided on the machine board is fixed, the placement slot is accommodated in the detection slot, the top of the placement slot is rotatably connected with the detection slot, the bottom of the placement slot is installed with a connecting sleeve, and the machine board is fixed inside. A motor is connected, the output end of the motor is connected with the lower end of the rotating rod, and the upper end of the rotating rod is pierced by the machine board and connected with the connecting sleeve; the sample to be tested is put into the placing slot, the The motor drives the placement slot to rotate on the detection slot through the rotating rod and the connecting sleeve.

Wherein: the connecting sleeve is provided with a center hole, the periphery of the center hole is evenly provided with a plurality of card slots along the circumferential direction, and each of the card slots is communicated with the center hole; the rotating rod is inserted into the center hole, the The surface of the rotating rod is provided with the same number of clamping blocks and one-to-one correspondence with the clamping grooves along the circumferential direction, and each of the clamping blocks is accommodated in the corresponding clamping groove.

The top of the placement slot is provided with a chute, the lower end of the clamping rod is passed through the chute and is fixedly connected with the top of the detection slot, and the upper end of the clamping rod is rotatably connected with a blocking rod.

The top of the placement groove extends radially outward to form an extension portion, and a circular chute is provided on the extension portion.

The bottom surface of the placing groove is provided with a plurality of through holes, and the water extracted from the sample to be tested by centrifugation flows into the detection groove through each of the through holes.

The fixing mechanism includes a fixing rod, a telescopic cylinder and a spring, the telescopic cylinder is fixed in the machine board, the fixing rod penetrates the telescopic cylinder, and the part of the fixing rod located in the telescopic cylinder is sleeved with a spring, The fixing rod can be pulled out in the axial direction relative to the telescopic cylinder, and is reset by the spring; the outer edge of the lower end of the detection groove is provided with a limit block, and the end of the fixing rod close to the detection groove is penetrated by the machine board. out, and press it on the limit block, so as to fix the detection slot.

The part of the fixing rod located in the telescopic cylinder is provided with a limit plate, the two ends of the spring are respectively in contact with the limit plate and the telescopic cylinder, and the opening of the telescopic cylinder at one end away from the detection slot is provided with a pair of limit plates. Plate limit baffle.

There are a plurality of the fixing mechanisms, which are evenly mounted on the machine board along the circumferential direction.

A cover is detachably connected to the board, and the detection slot and the placement slot are covered inside by the cover.

The advantages and positive effects of the present invention are:

The invention is convenient for draining the test sample, avoids excessive water content of objects in the seawater environment, which affects the accuracy of the device's detection; and the utensils containing the objects are connected and fixed in the device, which is convenient for disassembly and cleaning. Specifically:

1. In the present invention, through the connection between the detection slot and the placement slot, under the connection action of the clamping rod, the rotation of the placement slot on the detection slot is firm, and the separation of the placement slot and the detection slot during rotation will not be caused; , make the rotating rod rotate in the connecting sleeve, and then make the placing slot rotate in the detection groove, the connecting sleeve and the rotating rod are connected by the clamping slot and the clamping block, which is convenient for the connection between the rotating rod and the connecting sleeve. Separation of the placement slot and the detection slot; the clamping rod slides in the chute, and the blocking rod on the surface of the clamping rod makes the placement slot fixed on the detection slot, and under the rotation of the placement slot, it is convenient to dehydrate the objects in the placement slot.

2. The present invention makes the fixed rod expand and contract in the telescopic cylinder, and under the connection of the spring, the fixed rod is made to expand and contract in the telescopic cylinder, and the connection between the baffle plate and the limit plate makes the sliding of the fixed rod in the telescopic cylinder limited, preventing the The fixing rod is disengaged from the telescopic cylinder, and the fixing rod is fixed to the connection of the detection slot in the machine board, so as to facilitate the connection and separation of the detection slot and the machine board.

Description of drawings

Fig. 1 is the structural front view of the present invention;

Fig. 2 is the bottom view of the structure connected between the connecting sleeve and the rotating rod in Fig. 1;

Figure 3 is a top view of the structure of the connection between the placement slot and the clamping rod in Figure 1;

Fig. 4 is the partial enlarged view of A place in Fig. 1;

Among them: 1 is the body, 11 is the machine board, and 12 is the cover;

2 is a centrifugal mechanism, 21 is a detection slot, 22 is a placement slot, 23 is a clamping rod, 24 is a connecting sleeve, 25 is a motor, 26 is a rotating rod, 27 is a clamping slot, 28 is a clamping block, and 29 is a chute;

3 is a fixing mechanism, 31 is a fixed rod, 32 is a telescopic cylinder, 33 is a spring, 34 is a baffle plate, and 35 is a limit plate; 36 is a stop rod, 37 is a center hole, 38 is a limit block, and 39 is a through hole .

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

As shown in Figures 1-4, the present invention includes a body 1, a centrifugal mechanism 2 and a fixing mechanism 3, wherein the body 1 includes a machine plate 11, and the surface of the machine plate 11 is detachably connected with a cover 12; the centrifugal mechanism 2 is arranged in Inside the machine board 11 , the centrifugal mechanism 2 includes a detection slot 21 , a placement slot 22 , a connecting sleeve 24 , and a motor 25 . Fixed, the placement slot 22 is accommodated in the detection slot 21, the top of the placement slot 22 is rotatably connected to the detection slot 21, the bottom of the placement slot 22 is installed with a connecting sleeve 24, and the board 11 is fixed with a motor 25, the motor 25 The input end of the motor 25 is electrically connected with the output end of the external power supply through a wire, so that the motor 25 is rotated, the output end of the motor 25 is connected with the lower end of the rotating rod 26, and the upper end of the rotating rod 26 is pierced by the machine board 11 and connected with the connecting sleeve 24. The sample to be tested is placed in the placement tank 22, and the motor 25 drives the placement tank 22 to rotate on the detection tank 21 through the rotating rod 26 and the connecting sleeve 24, so that the placement tank 22 can carry out centrifugal dehydration processing on the sample inside. The detection tank 21 and the placement tank 22 are covered inside by the cover 12 .

The connecting sleeve 24 of this embodiment is provided with a central hole 37 , and a plurality of (four in this embodiment) clamping grooves 27 are evenly opened on the periphery of the central hole 37 along the circumferential direction, and each clamping groove 27 is connected to the central hole 37 Connected; the rotating rod 26 is inserted into the central hole 37, and the surface of the rotating rod 26 is provided with the same number of blocks 28 as the card slots 27 along the circumferential direction, and each block 28 is accommodated in the corresponding block 28 in the card slot 27. The rotating rod 26 is clamped with the connecting sleeve 24, and the rotating rod 26 is rotated in the machine board 11 through the connection of the motor 25 and the rotating rod 26. , under the rotation of the placing tank 22, the sample to be tested is dehydrated. In this embodiment, the card slot 27 is provided on the surface of the connecting sleeve 24 in the shape of a groove, and the locking block 28 is in the shape of a convex block and is connected to the surface of the rotating rod 26 . The clamping of the clamping block 28 enables the rotating rod 26 to drive the connecting sleeve 24 to rotate. Under the connection of the clamping groove 27 and the clamping block 28, the separation of the rotating rod 26 and the connecting sleeve 24 is facilitated, and the connection between the placing groove 22 and the detection groove 21 is further improved. Connection separation.

The top of the placement groove 22 in this embodiment extends radially outward to form an extension portion. The extension portion is provided with an annular chute 29 . The lower end of the clamping rod 23 passes through the chute 29 and is connected to the detection groove The top of 21 is fixedly connected, and the upper end of the clamping rod 23 is rotatably connected with a blocking rod 36 . Under the action of the connection between the clamping rod 23 and the detection slot 21 , the connection of the clamping rod 23 to the placement slot 22 is fixed, which facilitates the rotation of the placement slot 22 in the detection slot 21 . A plurality of through holes 39 are formed on the bottom surface of the placing groove 22 , and the water extracted from the sample to be tested by centrifugation flows into the detection groove 21 through the through holes 39 .

There are a plurality of fixing mechanisms 3 , which are uniformly mounted on the machine board 11 along the circumferential direction at the periphery of the detection groove 21 . The fixing mechanism 3 of this embodiment includes a fixing rod 31 , a telescopic cylinder 32 and a spring 33 . The telescopic cylinder 32 is fixed in the machine board 11 , the fixing rod 31 penetrates through the telescopic cylinder 32 , and the fixing rod 31 is located in the telescopic cylinder 32 . A spring 33 is partially sleeved, and the part of the fixing rod 31 located in the telescopic cylinder 32 is provided with a limit plate 35 . The edge of the opening at one end extends radially inward, thereby forming a baffle 34 for limiting the position of the limiting plate 35 . The fixing rod 31 can be pulled out in the axial direction relative to the telescopic cylinder 32, and is reset by the spring 33; the outer edge of the lower end of the detection slot 21 is provided with a limit block 38, and the end of the fixing rod 31 close to the detection slot 21 is penetrated by the machine board 11. out and press on the limit block 38 to fix the detection slot 21 . The baffle 34 and the limit plate 35 are in contact, and under the action of the spring 33, the fixed rod 31 is made to expand and contract in the telescopic cylinder 32, and under the action of the baffle 34 and the limit plate 35, the fixed rod 31 is made in the telescopic cylinder 32. The inner sliding limit prevents the separation of the telescopic cylinder 32 and the fixed rod 31 .

The working principle of the present invention is:

When in use, the fixing rods 31 in each fixing mechanism 3 are pulled outwards, so that the fixing rods 31 are stretched and retracted in the telescopic cylinder 32, and the baffle 34 and the limit plate 35 are abutted and connected, so that the fixing rods 31 are in the telescopic cylinder 32. It is more practical to prevent the connection between the fixed rod 31 and the telescopic cylinder 32 from falling off. Then put the detection slot 21 on the machine board 11 , loosen the fixing rod 31 , reset under the action of the spring 33 , and then press on the limit block 38 to fix the detection slot 21 . Then, put the placement slot 22 into the detection slot 21 , the clamping rod 23 passes through the chute 29 on the placement slot 22 , and then screw the blocking rod 36 so that the blocking rod 36 abuts on the top of the placement slot 22 . The sample to be tested is placed in the placement slot 22 .

Through the rotation of the motor 25, the rotating rod 26 is rotated in the detection slot 21, the rotating rod 26 is connected with the connecting sleeve 24, and the rotating rod 26 is connected with the connecting sleeve 24 under the clamping of the clamping groove 27 and the clamping block 28. , to facilitate the separation of the connecting sleeve 24 and the rotating rod 26, thereby facilitating the connection and separation of the placement slot 22 and the detection slot 21. Under the rotation of the connecting sleeve 24, the placement slot 22 is rotated in the detection slot 21. Under the connection, the placement slot 22 is fixed in the detection slot 21 , and under the connection between the clamping rod 23 and the chute 29 , the placement slot 22 is fixed and rotated on the detection slot 21 .

The water released from the sample by centrifugation flows into the detection tank 21 through the through hole 39 on the bottom surface of the placement tank 22 .

Claims (9)

1. An analytical instrument for testing the water content of submarine sediments is characterized in that: comprises a machine body (1), a centrifugal mechanism (2) and a fixing mechanism (3), wherein the machine body (1) comprises a machine plate (11), the centrifugal mechanism (2) comprises a detection groove (21), a placing groove (22), a connecting sleeve (24) and a motor (25), the detection groove (21) is detachably placed in the machine plate (11), is fixed by a fixing mechanism (3) arranged on the machine plate (11), the placing groove (22) is accommodated in the detection groove (21), the top of the placing groove (22) is rotationally connected with the detection groove (21), the bottom of the placing groove (22) is provided with a connecting sleeve (24), a motor (25) is fixedly connected in the machine plate (11), the output end of the motor (25) is connected with the lower end of a rotating rod (26), and the upper end of the rotating rod (26) penetrates out of the machine plate (11) and is connected with the connecting sleeve (24); the sample to be tested is placed in the placing groove (22), and the motor (25) drives the placing groove (22) to rotate on the detection groove (21) through the rotating rod (26) and the connecting sleeve (24).

2. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the connecting sleeve (24) is provided with a central hole (37), a plurality of clamping grooves (27) are uniformly formed in the periphery of the central hole (37) along the circumferential direction, and each clamping groove (27) is communicated with the central hole (37); the rotating rod (26) is inserted into the central hole (37), the surface of the rotating rod (26) is provided with clamping blocks (28) which are the same in number as the clamping grooves (27) and correspond to the clamping grooves (27) one by one in the circumferential direction, and each clamping block (28) is accommodated in the corresponding clamping groove (27).

3. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the top of the placing groove (22) is provided with a sliding groove (29), the lower end of the clamping rod (23) penetrates through the sliding groove (29) and is fixedly connected with the top of the detection groove (21), and the upper end of the clamping rod (23) is rotatably connected with a stop lever (36).

4. The analytical instrument for testing water content of seafloor sediments as claimed in claim 3, wherein: the top of the placing groove (22) extends outwards along the radial direction to form an extension part, and a circular sliding groove (29) is formed in the extension part.

5. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the bottom surface of the placing groove (22) is provided with a plurality of through holes (39), and water of a sample to be tested which is centrifuged flows into the detection groove (21) through each through hole (39).

6. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the fixing mechanism (3) comprises a fixing rod (31), a telescopic cylinder (32) and a spring (33), the telescopic cylinder (32) is fixedly connected in the machine plate (11), the fixing rod (31) penetrates through the telescopic cylinder (32), the spring (33) is sleeved on the part, located in the telescopic cylinder (32), of the fixing rod (31), and the fixing rod (31) can be pulled out outwards along the axial direction relative to the telescopic cylinder (32) and reset through the spring (33); the outer edge of the lower end of the detection groove (21) is provided with a limiting block (38), one end, close to the detection groove (21), of the fixing rod (31) penetrates out of the machine plate (11) and is pressed on the limiting block (38), and then the detection groove (21) is fixed.

7. The analytical instrument for testing water content of seafloor sediments according to claim 6, wherein: the part that dead lever (31) are located telescopic cylinder (32) is equipped with limiting plate (35), the both ends of spring (33) respectively with this limiting plate (35) and telescopic cylinder (32) butt, telescopic cylinder (32) are kept away from the trompil department that detects groove (21) one end and are equipped with spacing baffle (34) to limiting plate (35).

8. The analytical instrument for testing water content of seafloor sediments according to claim 6, wherein: the fixing mechanisms (3) are multiple and are uniformly arranged on the machine plate (11) along the circumferential direction.

9. The analytical instrument for testing water content of seafloor sediments according to claim 1, wherein: the machine plate (11) is detachably connected with a sealing cover (12), and the detection groove (21) and the placing groove (22) are covered inside by the sealing cover (12).

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