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CN-224231317-U - Biological detection collector for intertidal zone sediments

CN224231317UCN 224231317 UCN224231317 UCN 224231317UCN-224231317-U

Abstract

The utility model relates to the technical field of acquisition devices, in particular to a biological detection acquisition device for intertidal sediments, which comprises a sleeve, a sampling tube and a cylindrical shell, wherein an inner cylinder seat is arranged in the center of the top of the sleeve, a first unidirectional driver, a double-shaft motor and a second unidirectional driver are sequentially arranged on the inner wall of the inner cylinder seat along the vertical direction, a reciprocating screw rod is rotatably connected to the top wall of the inner side of the sleeve, the reciprocating screw rod is in transmission connection with the second unidirectional driver, the outer surface of the reciprocating screw rod is in threaded connection with a lower frame, and the lower frame is in sliding fit with the inner wall of the sleeve along the vertical direction. The utility model has reasonable structure, realizes synchronous lifting sampling and discharging of the sampling pipe by utilizing the structures of the sleeve, the sampling pipe, the cylindrical shell and the like and matching the double-shaft motor with the first unidirectional driver and the second unidirectional driver, and the drainage hole pipe drives the cleaning brush to rotate for cleaning, so that repeated operation is reduced by the design of a plurality of groups of sampling pipes, the transparent material and the scale mark are convenient for observation, and the storage battery is adapted to the field, thereby improving the sampling efficiency and the reliability.

Inventors

  • WAN FULEI
  • Shen Cizhuan

Assignees

  • 福建中科环境检测技术有限公司

Dates

Publication Date
20260512
Application Date
20250731

Claims (6)

  1. 1. An intersubunit sediment biological detection collector, comprising: The sleeve (1) is characterized in that an inner cylinder seat (11) is arranged in the center of the top, a first unidirectional transmission device (12), a double-shaft motor (13) and a second unidirectional transmission device (14) are sequentially arranged on the inner wall of the inner cylinder seat (11) along the vertical direction, the inner cylinder seat, the double-shaft motor and the second unidirectional transmission device are in transmission connection, an outer cylinder seat (15) is uniformly arranged on the outer side of the inner cylinder seat (11), the bottom of the sleeve (1) is open, a reciprocating screw rod (16) is rotatably connected to the top wall of the inner side of the sleeve, the reciprocating screw rod (16) is in transmission connection with the second unidirectional transmission device (14), a lower frame (17) is in threaded connection with the outer surface of the reciprocating screw rod (16), and the lower frame (17) is in sliding fit with the inner wall of the sleeve (1) along the vertical direction; The sampling tube (2) is uniformly connected with the inner wall of the lower frame (17) in a threaded manner and corresponds to the outer cylinder seat (15) one by one; The cylindrical shell (3) is in threaded connection inner tube seat (11) top, water catch bowl (31) has been seted up at its top, cylindrical shell (3) inner wall rotates and is connected with internal gear (32) to be connected with first unidirectional actuator (12) transmission, internal gear (32) outside uniform engagement is connected with external gear (33), external gear (33) are connected with cylindrical shell (3) inner wall rotation, external gear (33) surface center department fixedly connected with wash port pipe (34), wash port pipe (34) one end runs through to water catch bowl (31) inside and rather than sealing connection and intercommunication, the other end is through outer tube seat (15) runs through to corresponding sampling tube (2) inside, and has set gradually clearance brush (35) and piston (36) along its length direction.
  2. 2. The biological detection collector for the intertidal zone sediments according to claim 1, wherein a handle (18) is arranged on the outer side wall of the sleeve (1), a guide groove (19) and a guide block (110) are respectively arranged at positions corresponding to the surfaces of the inner wall of the sleeve (1) and the lower frame (17), and the guide block (110) is slidably connected to the inner wall of the guide groove (19) along the vertical direction.
  3. 3. The biological detection collector for the intertidal zone sediments according to claim 1, wherein the sleeve (1) and the sampling tube (2) are made of transparent materials, graduation marks are arranged on the surface of the sampling tube (2), and the unidirectional transmission directions of the first unidirectional transmission device (12) and the unidirectional transmission direction of the second unidirectional transmission device (14) are opposite, and the unidirectional transmission directions of the first unidirectional transmission device and the unidirectional transmission device are ratchet type unidirectional transmission devices.
  4. 4. The biological detection collector for the intertidal zone sediments according to claim 1, wherein a sealing bearing (311) is uniformly and fixedly connected to the inner wall of the water collecting tank (31), the installation position of the sealing bearing (311) is collinear with the axis of a drain hole pipe (34), and one end of the drain hole pipe (34) penetrating to the inner part of the water collecting tank (31) penetrates through the inner ring of the sealing bearing (311) and forms interference fit with the inner wall of the inner ring, so that synchronous rotation and sealing of the sealing bearing and the inner ring are realized.
  5. 5. The biological detection collector for the intertidal zone sediments according to claim 1, wherein an ultrasonic generator is embedded in the piston (36), and a circuit channel is formed in the drain hole pipe (34).
  6. 6. The biological detection collector for the intertidal zone sediments according to claim 1 is characterized in that a controller (37) is arranged on the surface of the cylindrical shell (3), a storage battery (38) is arranged in the cylindrical shell, the storage battery (38), the controller (37), the double-shaft motor (13) and the ultrasonic generator are connected through wires, and a closed electric circuit is formed by separating the inner gear (32) from the outer gear (33) through a partition plate (39).

Description

Biological detection collector for intertidal zone sediments Technical Field The utility model relates to the technical field of acquisition devices, in particular to a biological detection acquisition device for intertidal zone sediments. Background In the fields of marine ecological environment research, environment monitoring, biological resource investigation and the like, the biological detection of the intertidal zone sediment has a vital significance, the intertidal zone is used as a transition zone of the interaction between the ocean and the land, the sediment contains rich biological information, the information can reflect the key contents such as the ecological environment condition, the biological community structure, the environmental pollution degree and the like of the area, the intertidal zone sediment sample is accurately and efficiently collected, and the method is the basis for developing subsequent biological detection analysis work. At present, the collector for biological detection of intertidal deposits on the market has a relatively simple structure, and is generally composed of a sleeve, a sampling tube and a rotating handle for controlling the sampling tube to vertically lift on the inner wall of the sleeve, and in the actual use process, an operator drives the sampling tube to be inserted into the ground of the intertidal zone through the rotating handle, so that the sampling operation is completed. However, most of the existing sampling barrels are of a single-barrel design, in the sampling process, in order to reduce accidental errors and ensure the reliability of detection data, repeated acquisition is required to be carried out on each acquisition point according to the detection specification, and the number of times of repetition is generally 3-5. Therefore, in the sampling work of one sampling point, an operator needs to perform multiple sampling operations, and before the next sampling, the sampling cylinder also needs to be cleaned in order to avoid pollution of the previous sampling to the subsequent sampling, and the series of operations are complex in process, greatly increase the working intensity of the operator, obviously reduce the overall working efficiency, and make the whole sampling process time-consuming and labor-consuming, and difficult to meet the requirements of large-scale and high-efficiency biological detection work of intertidal sediment. Disclosure of utility model The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model aims to provide the biological detection collector for the intertidal zone sediments, which has reasonable structure, realizes synchronous lifting sampling and discharging of the sampling pipe by utilizing the double-shaft motor to be matched with the first unidirectional driver and the second unidirectional driver through the structures of the sleeve, the sampling pipe, the cylindrical shell and the like, and the drainage hole pipe drives the cleaning brush to rotate and clean, so that repeated operation is reduced due to the design of a plurality of groups of sampling pipes, the transparent materials and the scale marks are convenient to observe, the storage battery is adapted to the wild, and the sampling efficiency and the reliability are improved. To achieve the above object, the present utility model provides a biological detection collector for intertidal zone sediments, comprising: An inner cylinder seat is arranged in the center of the top of the sleeve, a first unidirectional driver, a double-shaft motor and a second unidirectional driver are sequentially arranged on the inner wall of the inner cylinder seat along the vertical direction and are in transmission connection, an outer cylinder seat is uniformly arranged on the outer side of the inner cylinder seat, the bottom of the sleeve is open, the top wall of the inner side of the sleeve is rotationally connected with a reciprocating screw rod, the reciprocating screw rod is in transmission connection with the second unidirectional driver, the outer surface of the reciprocating screw rod is in threaded connection with a lower frame, and the lower frame is in sliding fit with the inner wall of the sleeve along the vertical direction; The sampling pipes are uniformly connected with the inner wall of the lower frame in a threaded manner and correspond to the outer cylinder seats one by one; The cylindrical shell is in threaded connection with the top of the inner cylinder seat, a water collecting tank is formed in the top of the cylindrical shell, an inner gear is rotationally connected to the inner wall of the cylindrical shell and is in transmission connection with the first unidirectional transmission device, an outer gear is evenly meshed and connected to the outer side of the inner gear, the outer gear is rotationally connected with the inner wall of the cylindrical shell, a drain hole