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CN-224216372-U - Layered sampling device

CN224216372UCN 224216372 UCN224216372 UCN 224216372UCN-224216372-U

Abstract

The utility model discloses a layered sampling device, which relates to the technical field of sampling detection and comprises a supporting mechanism and a plurality of groups of adjusting mechanisms, wherein the end part of a radial frame is coaxial with a circular shaft, the radial frame rotates and is slidably arranged on the circular shaft of the supporting mechanism, a sliding block is slidably arranged on the radial frame along the radial direction of the circular shaft, a longitudinal rod frame is longitudinally and slidably arranged on the sliding block, two groups of sampling plates are symmetrically arranged at the bottom of the longitudinal rod frame in a detachable mode, one group of sampling plates is provided with a sampling assembly, the other group of sampling plates are provided with sampling pipes, sealing rods are fixedly arranged on the sealing rods and are slidably arranged on the sampling plates, sealing springs are arranged between sealing plugs and the sampling plates, and the sampling rods control the contact between the sealing plugs and the end parts of the sampling pipes. The utility model has the advantages that the sampling is carried out at different positions and heights, the consistency and the repeatability of each sampling are ensured, the sample is prevented from being polluted, and the accuracy of the sampling result is ensured.

Inventors

  • HU CHAO
  • YE KAI
  • YAN JUN
  • WANG DAXIANG

Assignees

  • 天津市国盛防务科技有限公司

Dates

Publication Date
20260508
Application Date
20250318

Claims (7)

  1. 1. A layered sampling device comprises a supporting mechanism and a plurality of groups of adjusting mechanisms and is characterized in that each adjusting mechanism comprises a radial frame (21) and a longitudinal rod frame (25), one end of the radial frame (21) and a circular shaft (12) are coaxial, one end of the radial frame (21) rotates and is slidably mounted on the circular shaft (12) of the supporting mechanism, a sliding block (22) is slidably mounted on the radial frame (21) along the radial direction of the circular shaft (12), the longitudinal rod frame (25) is longitudinally slidably mounted on the sliding block (22), two groups of sampling plates (31) are symmetrically arranged at the bottom of the longitudinal rod frame (25), a sampling assembly (32) is arranged on one group of sampling plates (31), a sampling tube (33) is arranged on the other group of sampling plates (31), the sampling assembly (32) comprises a sealing plug (321) and a sealing spring (323), a sealing rod (322) is fixedly mounted on the sealing plug (321), the sealing rod (322) is slidably mounted on the sampling plate (31), the sealing spring (323) is arranged between the sampling plate (321) and the sampling plate (31), the sampling tube (321) is in contact with the end portion of the longitudinal rod (25), and the sealing plug (26) is in sliding contact with the end portion of the sampling rod (26).
  2. 2. The stratified sampling device according to claim 1, wherein the supporting mechanism comprises an outer ring (11) and a support (13), the support (13) is arranged between the outer ring (11) and the circular shaft (12), the outer ring (11) and the circular shaft (12) are coaxial, two ends of the support (13) are fixedly arranged on the outer ring (11) and the circular shaft (12) respectively, an axle rail (121) is arranged on the circular shaft (12), an annular rail (111) is arranged on the outer ring (11), one end of the radial frame (21) is rotatably arranged on the axle rail (121) of the circular shaft (12), and the other end of the radial frame (21) is rotatably and slidably arranged on the annular rail (111).
  3. 3. The stratified sampling device according to claim 1, wherein the adjusting mechanism further comprises a plurality of groups of adjusting components (23), the adjusting components (23) are arranged between the radial frame (21) and the circular shaft (12), a plurality of groups of adjusting holes (212) are formed in the radial frame (21), one group of adjusting holes (212) corresponds to one group of adjusting components (23), the adjusting components (23) comprise adjusting balls (231) and adjusting springs (233), adjusting rods (232) are fixedly arranged on the adjusting balls (231), the adjusting rods (232) are slidably arranged on the adjusting holes (212) of the radial frame (21), the adjusting springs (233) are arranged between the adjusting balls (231) and the radial frame (21), a plurality of groups of adjusting grooves (122) are uniformly formed in the circular shaft (12), and the adjusting balls (231) are in contact fit with the adjusting grooves (122).
  4. 4. The stratified sampling device according to claim 1, wherein the adjusting mechanism further comprises a plurality of groups of limiting assemblies (24), the limiting assemblies (24) are symmetrically arranged between the sliding block (22) and the radial frame (21), the limiting assemblies (24) comprise limiting balls (241) and limiting springs (243), limiting rods (242) are fixedly arranged on the limiting balls (241), the limiting rods (242) are slidably arranged on the sliding block (22), the limiting springs (243) are arranged between the limiting balls (241) and the sliding block (22), a plurality of groups of limiting grooves (211) are sequentially formed in the radial frame (21), and the limiting balls (241) are in contact fit with the limiting grooves (211).
  5. 5. The device of claim 1, wherein the adjusting mechanism further comprises a plurality of groups of positioning components (27), the positioning components (27) are symmetrically arranged between the sliding block (22) and the longitudinal rod frame (25), the positioning components (27) comprise positioning balls (271) and positioning springs (273), positioning rods (272) are fixedly arranged on the positioning balls (271), the positioning rods (272) are slidably arranged on the sliding block (22), the positioning springs (273) are arranged between the sliding block (22) and the positioning balls (271), a plurality of groups of positioning grooves (251) are sequentially arranged on the longitudinal rod frame (25), and the positioning balls (271) are in contact fit with the positioning grooves (251).
  6. 6. A stratified sampling device according to claim 1, characterized in that the sealing plug (321) is shaped as a truncated cone, and the bottom of the sampling rod (26) is in contact fit with the side of the sealing plug (321).
  7. 7. A stratified sampling device according to claim 1, characterized in that the radius of the top of said sealing plug (321) is R, the radius of the bottom of the sealing plug (321) is R, the inner diameter of said sampling tube (33) is D, R < D < R.

Description

Layered sampling device Technical Field The utility model relates to the technical field of sampling detection, in particular to a layered sampling device. Background The reaction kettle is a reaction container which is used in industries such as industry, chemical industry and the like, and the main purpose of the reaction kettle is to carry out chemical reaction and material conversion. In the reaction process, parameters such as temperature, pressure, stirring speed and the like in the reaction kettle can influence the reaction process. Because the reaction inside the reaction kettle is complex, the reactions at different heights and different positions of the reaction kettle are different, for example, the reaction at the center of the reaction kettle is different from the reaction at the periphery of the reaction kettle, and in order to detect the reaction degree inside the reaction kettle or the reaction change inside the reaction kettle, the reactants at different positions inside the reaction kettle need to be sampled. The existing sampling device can only sample the surface, or sample the reaction kettle by reserving a sampling port, the center or the different positions inside the reaction kettle cannot be sampled, the sampling position and depth cannot be controlled, and in the sampling process, the sample is easy to pollute or cross-interfere, so that the accuracy of the sampling result cannot be ensured. Disclosure of utility model The utility model aims to provide a layered sampling device so as to solve the technical problems that the prior art proposed in the background art cannot control the sampling position and depth, and the detection result is inaccurate due to easy sample pollution or cross interference in the sampling process. According to the technical scheme, the layered sampling device comprises a supporting mechanism and a plurality of groups of adjusting mechanisms, wherein each adjusting mechanism comprises a radial frame and a longitudinal rod frame, the end part of the radial frame is coaxial with a circular shaft, one end of the radial frame is rotatably and slidably arranged on the circular shaft of the supporting mechanism, a sliding block is slidably arranged on the radial frame along the radial direction of the circular shaft, the longitudinal rod frame is longitudinally and slidably arranged on the sliding block, two groups of sampling plates are symmetrically arranged at the bottom of the longitudinal rod frame in a detachable mode, sampling assemblies are arranged on one group of sampling plates, sampling pipes are arranged on the other group of sampling plates, each sampling assembly comprises a sealing plug and a sealing spring, a sealing rod is fixedly arranged on the sealing plug, the sealing rod is slidably arranged on the sampling plates, the sealing spring is arranged between the sealing plug and the end part of the sampling plate, the sealing plug is in contact fit with the end part of the sampling pipe, the sampling rod is longitudinally and slidably arranged in the longitudinal rod frame, and the sampling rod controls the sealing plug to be in contact with the end part of the sampling pipe. Further, the supporting mechanism comprises an outer ring and a support, the support is arranged between the outer ring and the circular shaft, the outer ring and the circular shaft are coaxial, two ends of the support are respectively and fixedly arranged on the outer ring and the circular shaft, a shaft rail is arranged on the circular shaft, a ring rail is arranged on the outer ring, one end of the radial frame is rotatably arranged on the shaft rail of the circular shaft, and the other end of the radial frame is rotatably and slidably arranged on the ring rail. And adjusting the position of the radial frame on the circular shaft, and rotating and sliding the two ends of the radial frame on the annular rail and the axial rail around the circular shaft respectively, so that the radial frame rotates to the target sampling position. Further, adjustment mechanism still includes multiunit adjusting part, and adjusting part sets up between footpath frame and circle axle, is provided with multiunit regulation hole on the footpath frame, and a set of regulation hole corresponds a set of adjusting part, adjusting part includes adjusting ball, adjusting spring, and fixed mounting has the regulation pole on the adjusting ball, adjusts pole slidable mounting on the regulation hole of footpath frame, and adjusting spring sets up between adjusting ball and footpath frame, evenly is provided with multiunit adjustment tank on the circle axle, and adjusting ball and adjustment tank contact cooperation. When the position of the radial frame on the circular shaft is adjusted, the radial frame rotates and slides on the shaft rail of the circular shaft, in the process, the circular shaft pushes the adjusting ball to drive the adjusting rod to slide towards the inside of the adjusting hole,