Fixing mechanism and deep water sampling device

Abstract

The utility model discloses a fixing mechanism and a deep water sampling device, and relates to the technical field of rock-soil exploration, the sampling mechanism comprises a supporting assembly, the supporting assembly comprises a base, a mounting plate and a positioning piece, the mounting plate is fixedly arranged on one side of the base, and the positioning piece is arranged on the other side of the base; the water taking assembly comprises a winding reel, a first connecting rope and a fixing piece, the first connecting rope is wound on the winding reel, and the fixing piece is fixedly connected with the first connecting rope; the fixing piece comprises a water tank and a filter screen at a water inlet of the water tank. The sampling device further comprises a control box, an electromagnetic valve and a driving assembly. Through use of the positioning piece, stable installation of the whole mechanism can be guaranteed, water in the water tank is effectively prevented from being scattered, meanwhile, through use of the control box, the electromagnetic valve and the driving assembly, automatic sampling of deep water can be achieved, and the working intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of geotechnical exploration, in particular to a fixing mechanism and a deep water sampling device. Background Technique

[0002] With the continuous development of the construction industry, geotechnical engineering has received more and more attention. Especially in the process of geotechnical engineering exploration, the groundwater problem is an important link in the geotechnical engineering exploration. Construction personnel must analyze the impact of groundwater problems on geotechnical engineering construction during the geotechnical engineering exploration process. Therefore, deep water sampling is crucial in groundwater exploration.

[0003] There are some problems in the existing deep water sampling: when the deep water sampling trolley takes water on muddy land or uneven roads, simply fixing it by the base frame will cause the whole device to shake, resulting in the water in the water tank spilling, and the water sampling efficiency is reduced. And when the ordinary water sampling device samples water at different depths, simply relying on manual operation is time-consuming and laborious and it is difficult to control the accurate water sampling depth. Content of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. In this part, as well as in the abstract of the specification and the title of the utility model of this application, some simplifications or omissions may be made to avoid obscuring the purpose of this part, the abstract of the specification and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] In view of the problem that the water sampling trolley of the water sampling device is unstable on the muddy ground and the water in the water tank spills in the above-mentioned existing technology, the present utility model is proposed.

[0006] To solve the above technical problems, the first object of the present utility model is to provide a fixing mechanism, which includes a support assembly, including a base, a mounting plate, and a positioning member. The mounting plate is fixedly arranged on one side of the base, and the positioning member is arranged on the other side of the base; and a water sampling assembly, including a wire reel, a first connecting rope, and a fixing member. The first connecting rope is wound around the wire reel, and the fixing member is fixedly connected to the first connecting rope; the fixing member includes a water tank and a filter screen at the water inlet of the water tank.

[0007] As a preferred solution of the fixing mechanism of the present utility model, wherein: the support assembly further includes a push rod arranged on one side of the base, a universal wheel fixedly arranged on the other side of the base, and a support rod fixedly arranged on one side of the mounting plate; an anti-slip rubber sleeve is arranged on the push rod; a through groove is arranged on the base; and a mounting groove is arranged on the mounting plate.

[0008] As a preferred embodiment of the fixing mechanism of the present utility model, the positioning member includes a positioning plate, a positioning head, a sleeve, and a telescopic rod. The positioning head is fixedly arranged on one side of the positioning plate, the sleeve is fixedly arranged on the other side of the positioning plate, one end of the telescopic rod is fixedly connected to the base, and the other end is arranged in the sleeve and is slidably matched with it.

[0009] As a preferred embodiment of the fixing mechanism of the present utility model, the telescopic rod is provided with evenly distributed card slots along its length direction. A first spring fixedly connected to the inside of the sleeve is also fixedly arranged at the end of the telescopic rod. A limiting block is also arranged on one side close to the card slot. The limiting block is wedge-shaped and its tip is matched with the card slot. A second spring is also arranged at the other end of the limiting block. A support frame is also arranged on the positioning plate. A pedal is slidably arranged in the support frame. A third spring is arranged between the pedal and the positioning plate. The limiting block and the pedal are connected by a second connecting rope.

[0010] As a preferred embodiment of the fixing mechanism of the present utility model, the fixing member further includes a fixing plate arranged on one side of the water tank, a bearing seat arranged on the other side of the water tank, a connecting rod arranged at the bottom side of the fixing plate, a connecting pipe fixedly connected to the middle of one side of the water tank, and a water inlet pipe arranged on one side of the connecting pipe. The water inlet pipe is communicated with the connecting pipe, and a valve is arranged at the inlet of the water inlet pipe.

[0011] As a preferred embodiment of the fixing mechanism of the present utility model, the filter screen is arranged on the other side of the water inlet pipe.

[0012] As a preferred embodiment of the fixing mechanism of the present utility model, the bottom of the water tank is fixedly communicated with a water outlet pipe, and a water outlet valve is installed on the water outlet pipe.

[0013] As a preferred embodiment of the fixing mechanism of the present utility model, the water tank is threadedly connected to the bearing seat.

[0014] The beneficial effect of this fixing mechanism is that by using the positioning member, the installation of the entire mechanism at the working position can be ensured to be stable and the water in the water tank can be effectively prevented from spilling.

[0015] In view of the fact that in the actual use process, there is also a problem that ordinary water intake devices need to be operated solely by manual labor, which is time-consuming and laborious and it is difficult to accurately control the water intake depth.

[0016] To solve the above technical problems, the present utility model further provides the following technical solution: A deep water sampling device, including the fixing mechanism as described above, further includes a control box, a solenoid valve, and a driving assembly; the control box is arranged on the outer box wall on one side of the water tank, the solenoid valve is arranged at the inlet of the water inlet pipe, and the solenoid valve is electrically connected to the control box; the driving assembly is arranged on one side of the mounting plate.

[0017] As a preferred solution of the deep water sampling device of the present utility model, wherein: the control box includes a control board and a battery block, and the control board is electrically connected to the battery block; a controller and a signal amplifier are integrated on the control board, and the controller is electrically connected to the signal amplifier; a control switch and an adjustment button are installed on the control box; the driving assembly includes a motor and a power supply battery, the motor is electrically connected to the power supply battery, and the output end of the motor is fixedly connected to a wire reel.

[0018] The beneficial effect of this sampling device is that the use of the control box, the solenoid valve, and the driving assembly can realize the automation of deep water sampling and reduce the working intensity of the staff. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0020] Figure 1 It is a structural diagram of the fixing mechanism.

[0021] Figure 2 It is a structural diagram of the positioning member of the fixing mechanism.

[0022] Figure 3 It is a side view of the fixing mechanism.

[0023] Figure 4 It is a cross-sectional view of the positioning member of the fixing mechanism.

[0024] Figure 5 It is an operation schematic diagram of the positioning member of the fixing mechanism.

[0025] Figure 6 It is a structural diagram of the filter screen of the fixing mechanism.

[0026] Figure 7 It is a structural diagram of the fixing member of the fixing mechanism.

[0027] Figure 8 It is another perspective view of the fixing member of the fixing mechanism.

[0028] Figure 9 This is a diagram of the structural changes of the deep water sampling device.

[0029] Figure 10 Another perspective view of the deep water sampling device. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0033] Example 1

[0034] Reference Figure 1 and Figure 2 , which is the first embodiment of the utility model, and provides a fixing mechanism, which can achieve the effect of the whole mechanism being stably installed and effectively preventing the water in the water tank from spilling under the action of the positioning member. The fixing mechanism includes a supporting assembly 100 and a water intake assembly 200.

[0035] Specifically, the four corners of the bottom side of the base 100 are fixedly connected with universal wheels 105. In this embodiment, the universal wheels 105 are brake-type universal casters.

[0036] A mounting plate 102 is provided on the upper side of the base 100, and support rods 106 are fixedly connected to the four corners of the bottom side of the mounting plate 102. The bottom side of the support rod 106 is fixedly connected to the upper side of the base 100. A push rod 104 is fixedly connected to the upper side of the base 100. The push rod 104 is arranged in an inverted U shape and is located on the left side of the mounting plate 102. An anti-slip rubber sleeve 104a is provided on the push rod 104 to facilitate the staff to push the base 100 to move by the push rod 104 to avoid slipping when holding the push rod 104.

[0037] A positioning member 103 is fixedly connected to the bottom side of the base 100 . In the present embodiment, two positioning members 103 are provided, one is located on the left side of the through-opening slot 101 a , and the other is located on the right side of the through-opening slot 101 a .

[0038] The positioning member 103 includes a positioning plate 103b, a positioning head 103c, a sleeve 103d, and a telescopic rod 103a. A sleeve 103d is sleeved on the lower side of the outer part of the telescopic rod 103a. One end of the telescopic tube 103a is fixedly connected to the lower side of the base 101, and the other end is fixedly provided with a first spring 103e. The first spring 103e is arranged inside the sleeve 103d and the lower end of the first spring 103e is fixedly connected to the positioning plate 103b. The telescopic rod 103a is provided with evenly distributed card slots 103a-1 along its length direction. A limiting block 103f is also arranged on one side close to the card slot 103a-1. The limiting block 103f is wedge-shaped and its tip part cooperates with the card slot 103a-1. The bottom of the limiting block 103f is in sliding fit with the T-shaped groove. The other side of the limiting block 103f is also fixedly provided with a second spring 103g. A support frame 103h is also arranged in the middle part of the positioning plate 103b. A pedal 103i is slidably arranged in the support frame 103h. A third spring 103j is arranged between the pedal 103i and the positioning plate 103b. A telescopic column is arranged inside the third spring 103j to ensure the stability of the pedal during up and down movement. The limiting block 103f and the pedal 103i are connected by a first connecting rope 103k. The positioning head 103c is fixedly connected to the bottom side of the positioning plate 103b. It is set as a conical head. There are at least three positioning heads 103c, and they are evenly distributed on the bottom side of the positioning plate 103b.

[0039] An installation groove 102a is arranged on the installation plate 102. A water intake assembly 200 is arranged in the installation groove 102a. A winding drum 201 is rotatably connected to the inner wall of the installation groove. One end of a first connecting rope 202 is fixed on the winding drum 201, and the other end is fixed to the upper end of a towing rope 203h. The first connecting rope 202 is wound around the winding drum 201 for multiple turns.

[0040] During use, place the fixing mechanism at the water intake, step on the positioning plate 103b with the foot, the first spring 103e elongates, and at the same time, the sleeve 103d fixedly connected to the positioning plate 103b moves downward, and the limiting block 103f also continuously moves downward along the card slot 103a-1. When the force applied to the positioning plate 103b stops, the limiting block 103f gets stuck and stops in a certain card slot 103a-1. At this time, the positioning member 103 is fixed. Rotate the winding drum 201, and the water tank 203a fixedly connected to the first connecting rope 202 enters the deep water layer to complete sampling. When the water intake is over and it is necessary to retract the positioning member 103, step on the pedal 103i with the foot, both the second spring 103g and the third spring 103j are compressed. At this time, the limiting block 103f fixedly connected to the pedal 103i by the second connecting rope 103k will move towards the middle, and its tip part will no longer cooperate with the card slot 103a-1, and the first spring 103e will recover its deformation, and the telescopic rod 103a returns to its original position.

[0041] In summary, the use of the positioning member 103 can ensure that the entire deep water sampling vehicle is stable and does not shake on the muddy road and prevent the water in the water tank 203a from spilling. In addition, the positioning member 103 is convenient and fast to use and can be easily retracted and deployed.

[0042] Example 2

[0043] Reference Figures 3 to 5 , which is the second embodiment of the utility model. Different from the previous embodiment, this embodiment provides a water intake assembly with a fixed mechanism, which solves the problem that ordinary devices do not have a complete supporting container and filter net, causing impurities to enter the water tank. It includes a fixed plate 203g, a connecting rod 203d, a bearing seat 203c, a water tank 203a, a connecting pipe 203e, and a water inlet pipe 203f. .

[0044] Specifically, the water intake assembly includes a connecting rod 203d fixedly connected to the four corners of the bottom side of the fixed plate 203g, a load-bearing seat 203c fixedly connected to the bottom side of the connecting rod 203d, a mounting hole is opened in the middle of the upper side of the load-bearing seat 203c, and the mounting hole is configured as a circular through hole for the installation of the water tank 203a. The water tank 203a is threadedly connected to the load-bearing seat 203c, and the water tank 203a can be detachably installed in the mounting hole, and the disassembly and assembly of the water tank 203a facilitates the cleaning of the water tank 203a at a later time.

[0045] The connecting pipe 203e is fixedly connected to the middle of the bottom side of the water tank 203a, and is communicated with the water tank 203a. The water inlet pipe 203f is fixedly connected to the bottom end of the connecting pipe 203e, and the water inlet pipe 203f is communicated with the connecting pipe 203e. The water inlet pipe 203f is configured as a conical pipe, which can increase the water inlet volume of the water inlet.

[0046] The water tank 203a can be made of transparent hard plastic with a thickness of 5-7 cm. A layer of transparent soft silica gel is adhered to the inner wall of the water tank 203a to improve the anti-collision effect of the water tank 203a and reduce damage to the water tank 203a.

[0047] A filter screen 203b is installed at the water inlet on the bottom side of the water inlet pipe 203f. The filter screen 203b and the water inlet on the bottom side of the water inlet pipe 203f can be detachably connected by a buckle, which is convenient for the later disassembly, assembly and cleaning of the filter screen 203b.

[0048] When the deep sampling mechanism takes water, the first connecting rope 202 on the reel 201 will be placed in the water tank 203a according to the required depth. The water will enter the water inlet pipe 203f after the impurities are filtered out through the filter 203b at the bottom of the water intake component 200. When the valve on the upper side of the water inlet pipe 203f is opened, the water will enter the water tank 203a through the connecting pipe 203e, completing the entire sampling process.

[0049] In summary, the water intake component is equipped with a complete set of receiving and matching containers for the collected groundwater. When there are impurities (particles or blocky rocks and soil) in the deep water, the filter 203e will filter out the impurities in the water.

[0050] Example 3

[0051] Reference Figure 6 and Figure 7 , which is the third embodiment of the utility model, and this embodiment is based on the first two embodiments. This embodiment provides a deep water sampling device, which solves the problem that when ordinary water sampling devices sample water at different depths, it is time-consuming and labor-intensive to operate manually and it is difficult to control the accurate water sampling depth. It includes the fixing mechanism described in Embodiments 1 and 2, and also includes a control box 300, a solenoid valve 400, and a drive assembly 500.

[0052] Specifically, the control box 300 is arranged on the outer box wall on the upper side of the water tank 203a. The control box 300 integrates a control board and a battery block, and the control board and the battery block are electrically connected. The control board is used as a main control board, and a controller and a signal amplifier are integrated thereon, and the controller and the signal amplifier are electrically connected. The control box 300 is equipped with a control switch and an adjustment button.

[0053] The solenoid valve 400 is installed on the water inlet pipe, and the solenoid valve 400 is electrically connected to the control box 300.

[0054] A first liquid level sensor is fixedly connected to the outer wall of the water tank 203a, which is located below the load-bearing seat 203c. The first liquid level sensor is electrically connected to the controller, and the diving depth of the water tank 203a can be monitored in real time through the first liquid level sensor;

[0055] A second liquid level sensor is fixedly connected to the upper end of the inner wall of the water tank 203a. The second liquid level sensor is electrically connected to the controller. The amount of groundwater entering the water tank 203a can be monitored by the second liquid level sensor.

[0056] The driving assembly 500 includes a motor 501 and a power supply battery 502 . The motor 501 is electrically connected to the power supply battery 502 , and the output end of the motor 501 is fixedly connected to the winding drum 201 .

[0057] During use, place the deep water sampling device above the borehole on the rock and soil ground. First, adjust the length of the telescopic rod 103a so that the positioning head 103c inserts into the ground to ensure the stability of the base 100. Turn on the control switch to make the battery block work. Set the depth range for the water tank to dive in the groundwater through the adjustment buttons on the control box 300 (the power supply battery 502 and the battery block are in a fully charged state). The motor 501 works and the wire reel 201 rotates forward to lower the water tank 203a into the borehole (the load-bearing seat prevents the water tank 203a from swinging during the lowering process, reducing damage to the water tank 203a; at the same time, it prevents the water tank 203a from floating on the water surface, enabling it to dive below the water surface). As the water tank 203a is lowered, the water tank 203a gradually enters below the water surface. After the first liquid level sensor contacts the water surface, it starts to monitor. When it dives to the set depth range, after the staff receives the information through the mobile phone, they turn off the motor 501. The controller receives the signal and opens the solenoid valve 400. The groundwater enters the water tank 203a through the water inlet pipe 203f via the connecting pipe 203e. As the groundwater enters, the water tank 203a gradually fills with water. When the second liquid level sensor contacts the water, it transmits its signal to the controller. The controller receives the signal and closes the solenoid valve 400. At this time, the staff turns on the motor 501 to drive the wire reel 201 to rotate reversely to tighten the first connecting rope 202, and the water tank 203a is lifted out of the borehole. The staff opens the water outlet valve to take out the groundwater in the water tank 203a. Through the use of the solenoid valve 400, the staff can clearly know the depth at which the fixing part 203 is placed and turn on the motor 501 to retract the first connecting rope 202 when the water volume in the water tank 203a is almost full.

[0058] It should be noted that the power supply battery 502 and the battery block can be selected as 12V 20Ah lithium batteries; the motor 501 can be selected as a 100 - 500W DC brushless motor;

[0059] The controller can be selected as the Arduino Mega 2560 or Raspberry Pi 4 model. As the core control unit, it connects to all other modules, processes data and control logic, and has built-in:

[0060] The L298N dual H-bridge DC motor drive module is used to control the motor 501, connects to the digital output pins of the controller, and provides the required current and voltage through PWM signals to control the forward and reverse rotation of the motor 501.

[0061] The Adafruit 4-Channel ADC Breakout liquid level sensor interface module is used to connect the first liquid level sensor and the second liquid level sensor. The controller reads the analog signals of the liquid level sensors and makes logical judgments based on preset thresholds.

[0062] IRF520 MOSFET solenoid valve control module, used to control the solenoid valve. The solenoid valve is connected to the digital output pin of the main control board through the MOSFET switch module, and the controller controls the on / off state of the MOSFET to achieve the opening and closing of the solenoid valve.

[0063] HC-05 Bluetooth module or ESP8266 Wi-Fi module, used to transmit wireless signals to the user's mobile phone;

[0064] LM2596 step-down module, used to control each power supply.

[0065] In summary, the use of the control box, solenoid valve and drive components can achieve the automation of deep water sampling and reduce the work intensity of the staff.

[0066] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are only illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible without substantially departing from the novel teachings and advantages of the subject matter described in this application (for example, the dimensions, scales, structures, shapes and proportions of various components, and parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, color, orientation changes, etc.). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structure that performs the recited function herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0067] In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently considered best mode of implementing the present utility model, or those features that are not relevant to the implementation of the present utility model).

[0068] It should be understood that, during the development of any actual implementation, such as in any engineering or design project, a large number of specific implementation decisions can be made. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, without undue experimentation, such development efforts will be routine work in design, manufacturing, and production.

[0069] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A fixing mechanism, characterized in that: include, A support assembly (100) comprises a base (101), a mounting plate (102), and a positioning member (103), wherein the mounting plate (102) is fixedly arranged on one side of the base (101), and the positioning member (103) is arranged on the other side of the base (101); as well as, A water intake assembly (200) comprises a winding drum (201), a first connecting rope (202), and a fixing member (203), wherein the first connecting rope (202) is wound around the winding drum (201), and the fixing member (203) is fixedly connected to the first connecting rope (202); The fixing member (203) comprises a water tank (203a) and a filter screen (203b) at the water inlet of the water tank (203a).

2. The fixing mechanism according to claim 1, characterized in that: The support assembly (100) further comprises a push rod (104) arranged on one side of the base (101), a universal wheel (105) fixedly arranged on the other side of the base (101), and a support rod (106) fixedly arranged on one side of the mounting plate (102); the push rod (104) is provided with an anti-slip rubber sleeve (104a); the base (101) is provided with a through groove (101a); and the mounting plate (102) is provided with a mounting groove (102a).

3. The fixing mechanism according to claim 1, characterized in that: The positioning member (103) comprises a positioning plate (103b), a positioning head (103c), a sleeve (103d), and a telescopic rod (103a); the positioning head (103c) is fixedly arranged on one side of the positioning plate (103b); the sleeve (103d) is fixedly arranged on the other side of the positioning plate (103b); one end of the telescopic rod (103a) is fixedly connected to the base (101); the other end is arranged in the sleeve (103d) and slidably cooperates with the sleeve.

4. The fixing mechanism according to claim 3, characterized in that: The telescopic rod (103a) is provided with evenly distributed slots (103a-1) along its length direction; a first spring (103e) fixedly connected to the inside of the sleeve (103d) is also fixedly provided at the end of the telescopic rod (103a); a limiting block (103f) is also provided on a side close to the slot (103a-1); the limiting block (103f) is wedge-shaped and its tip portion cooperates with the slot (103a-1); A second spring (103g) is also provided at the other end of the limit block (103f), a support frame (103h) is also provided on the positioning plate (103b), a pedal (103i) is slidably provided inside the support frame (103h), a third spring (103j) is provided between the pedal (103i) and the positioning plate (103b), and the limit block (103f) is connected to the pedal (103i) via a second connecting rope (103k).

5. The fixing mechanism according to claim 4, characterized in that: The fixing member (203) further comprises a fixing plate (203g) arranged on one side of the water tank (203a), a load-bearing seat (203c) arranged on the other side of the water tank (203a), a connecting rod (203d) arranged on the bottom side of the fixing plate (203g), a connecting pipe (203e) fixedly connected to the middle of one side of the water tank (203a), and a water inlet pipe (203f) arranged on one side of the connecting pipe (203e); the water inlet pipe (203f) is connected to the connecting pipe (203e), and a valve is arranged at the inlet of the water inlet pipe (203f).

6. The fixing mechanism according to claim 5, characterized in that: The filter screen (203b) is arranged on the other side of the water inlet pipe (203f).

7. The fixing mechanism according to claim 6, characterized in that: The bottom of the water tank (203a) is fixedly connected to a water outlet pipe, and a water outlet valve is installed on the water outlet pipe.

8. The fixing mechanism according to claim 7, characterized in that: The water tank (203a) is threadedly connected to the load-bearing seat (203c).

9. A deep water sampling device, characterized in that: The fixing device comprises the fixing mechanism as claimed in any one of claims 1 to 8, and further comprises a control box (300), a solenoid valve (400), a drive assembly (500) The control box (300) is arranged on an outer box wall on one side of the water tank (203a), the solenoid valve (400) is arranged at the entrance of the water inlet pipe (203f), and the solenoid valve (400) and the control box (300) are electrically connected; the drive assembly (500) is arranged on one side of the mounting plate (102).

10. The deep water sampling device according to claim 9, characterized in that: The control box (300) comprises a control panel and a battery block, wherein the control panel is electrically connected to the battery block; a controller and a signal amplifier are integrated on the control panel, wherein the controller is electrically connected to the signal amplifier; and a control switch and an adjustment button are mounted on the control box (300); The driving assembly (500) comprises a motor (501) and a power supply battery (502), the motor (501) and the power supply battery (502) are electrically connected, and the output end of the motor (501) is fixedly connected to the winding drum (201).

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