Underground water sampling device for engineering geological survey

By introducing a leak-proof device and a motor-driven sampling mechanism into the groundwater sampling equipment, the problems of water leakage and insufficient sealing of the equipment were solved, and the reliability and efficiency of the samples were improved.

CN223361827UActive Publication Date: 2025-09-19TAIZHOU KETAI GEOTECHNICAL ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422451378.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-09-19
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

Existing groundwater sampling equipment lacks an effective leak-proof design, resulting in sample contamination and insufficient sealing, affecting the accuracy of analysis results.

Method used

A leak-proof device including a base, a support plate, a sampling frame, an electric telescopic rod, a toothed plate, a gear, a bidirectional screw and a baffle, as well as a motor-driven sampling mechanism are designed. The sampling frame can be quickly closed and moved by cooperating with the electric telescopic rod and a rope.

Benefits of technology

It effectively prevents water leakage during the sampling process, ensures sample integrity and environmental cleanliness, and improves sampling efficiency and equipment applicability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223361827U_ABST
    Figure CN223361827U_ABST
Patent Text Reader

Abstract

The utility model discloses an underground water sampling device for engineering geological investigation, and belongs to the field of geological investigation, the underground water sampling device comprises a base, the upper end of the base is fixedly connected with two support plates, the middle part of the base is provided with a through hole, and the bottom of the base is provided with a leakage-proof device; the leakage-proof device comprises a sampling frame, the sampling frame is arranged at the bottom of the base, the outer wall of the sampling frame is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a toothed plate, the upper end of the toothed plate is meshed with a gear, and the outer wall of the gear is fixedly connected with a two-way screw rod; and the outer wall of the bidirectional screw rod is in threaded connection with an L-shaped rod. The leakage-proof device is arranged, so that the problem of water leakage in the sampling process can be effectively prevented, the sampling reliability and the environment cleanness are guaranteed, the water sample pollution is avoided, the sampling frame can be quickly closed by the baffle after the sampling is completed, the sample is ensured not to be influenced by the external environment, and the integrity of the sample is protected.
Need to check novelty before this filing date? Find Prior Art

Claims

1. A groundwater sampling device for engineering geological survey, comprising a base (1), characterized in that: Two support plates (2) are fixedly connected to the upper end of the base (1). A through hole (3) is formed in the middle of the base (1). A leak-proof device is provided at the bottom of the base (1). The leak-proof device includes a sampling frame (41). The sampling frame (41) is arranged at the bottom of the base (1). An electric telescopic rod (42) is fixedly connected to the outer wall of the sampling frame (41). The output end of the electric telescopic rod (42) is fixedly connected to a toothed plate (43). A gear (44) is meshed with the upper end of the toothed plate (43). A bidirectional screw rod (45) is fixedly connected to the outer wall of the gear (44). An L-shaped rod (46) is threadedly connected to the outer wall of the bidirectional screw rod (45). The other end of the L-shaped rod (46) is fixedly connected to a baffle (47).

2. The underground water sampling device for engineering geological survey according to claim 1, characterized in that: A fixed block (48) is fixedly connected to the outer wall of the sampling frame (41). One end of the bidirectional screw rod (45) is rotatably connected to the fixed block (48).

3. The underground water sampling device for engineering geological survey according to claim 2, characterized in that: The bottom of the baffle (47) is slidably connected to the upper end of the sampling frame (41).

4. The underground water sampling device for engineering geological survey according to claim 3, characterized in that: The length and width of the sampling frame (41) are smaller than the length and width of the through hole (3).

5. The underground water sampling device for engineering geological survey according to claim 4, characterized in that: A sampling mechanism is arranged between the two support plates (2). The sampling mechanism includes a motor (51). The motor (51) is fixedly connected to the outer wall of one of the support plates (2). The output end of the motor (51) is fixedly connected to a rotating rod (52). A winding drum (53) is fixedly sleeved on the outside of the rotating rod (52). A rope (54) is wound around the outer wall of the winding drum (53). The bottom of the rope (54) is fixedly connected to a U-shaped connecting rod (55). The inner side of the U-shaped connecting rod (55) is fixedly connected to the sampling frame (41).

6. The underground water sampling device for engineering geological survey according to claim 5, characterized in that: The length of the U-shaped connecting rod (55) is smaller than the width of the through hole (3).