Special coring cylinder for water conservancy project quality detection

By incorporating a clamping arm and push rod structure on the core sampling cylinder, the problem of difficulty in retrieving core samples from existing core sampling cylinders is solved, enabling convenient core sample retrieval operations.

CN223883232UActive Publication Date: 2026-02-06ZHEJIANG INST OF HYDRAULICS & ESTUARY
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Patent Information

Application Number
CN202520387677.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-06
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Existing core sampling cylinders lack clamping structures when removing core samples, making it difficult to remove the core samples smoothly from the cylinder.

Method used

A clamping arm and a push rod structure are set on the core sampling cylinder. The clamping arm is connected by a hinge shaft. The handle drives the clamping arm to rotate inward to clamp the core sample. The push rod drives the push plate to push out the core sample.

Benefits of technology

This allows for convenient removal of the core sample from the core sample tube, avoiding the problem of core sample jamming during the removal process and improving operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coring cylinder special for hydraulic engineering quality detection, and relates to the technical field of hydraulic engineering quality detection. The coring cylinder comprises a coring cylinder body, the upper portion of the coring cylinder body is symmetrically and rotationally connected with clamping arms through a hinge shaft, side grooves are symmetrically formed in the inner wall of the coring cylinder body, the two clamping arms are contained in the two side grooves respectively, and the tops of the clamping arms are fixedly connected with handles. According to the core sampling device, the core sampling cylinder body is sleeved on a core sample, and the two handles are manually lifted upwards, so that the two clamping arms can be driven to rotate inwards around the hinge shafts where the two clamping arms are located, the clamping arms abut against the outer wall of the core sample, then the core sampling cylinder body is upwards pulled out, and the core sample can be clamped out through the two clamping arms, so that the core sampling device is convenient and fast to operate; the handle is manually pushed downwards to drive the push rod and the push plate to move downwards, and a core sample clamped in the core taking cylinder body can be pushed out through the push plate, so that personnel can conveniently take out the core sample clamped in the core taking cylinder body.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of water conservancy project quality detection, especially relate to a special coring barrel for water conservancy project quality detection. BACKGROUND

[0002] Water conservancy project is the major infrastructure related to people's livelihood, and its quality is directly related to people's life and property safety, therefore, the quality detection of water conservancy project is very important, in the quality detection of water conservancy project, coring barrel is a commonly used detection tool, which is used to obtain sample from concrete, soil and other materials to further quality detection, through search, the patent with application number 202323536786.2 discloses a special coring barrel for water conservancy project quality detection, which comprises a coring barrel body, the coring barrel body is a hollow cylindrical structure, a protection seat is installed at the top end of the coring barrel body, a material taking mechanism is arranged on the protection seat, the material taking mechanism comprises a pushing component, a through hole and a protection plug, the through hole is arranged in the interior of the protection seat, the lower part of the protection plug can be inserted into the interior of the through hole, the protection plug comprises two cylindrical blocks, and the two cylindrical blocks are connected vertically, the pushing component comprises a push plate and a first threaded rod, a threaded hole is arranged in the interior of the protection seat, one end of the first threaded rod passes through the threaded hole and is connected with the push plate.

[0003] However, in the actual use process, the applicant finds that when the core sample is taken out by the coring barrel body, the core sample stuck in the coring barrel body can be pushed out by the push plate, when the core sample is not stuck in the interior of the coring barrel body, the coring barrel body cannot smoothly take out the core sample together in the process of upward taking out due to the lack of clamping structure for the core sample in the interior of the coring barrel body, therefore, the special coring barrel for water conservancy project quality detection is provided. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0005] The utility model discloses a special coring barrel for water conservancy project quality detection, which comprises a coring barrel body, the upper part of the coring barrel body is rotationally connected with a clamping arm through a hinge shaft, a side groove is symmetrically arranged on the inner wall of the coring barrel body, two clamping arms are respectively accommodated in two side grooves, a handle is fixedly connected to the top of the clamping arm, the handle is arranged above the coring barrel body, a counterweight ball head is fixedly arranged at the upper end of the handle, a push rod is symmetrically movably connected to the top of the coring barrel body, a push plate is fixedly connected to the lower end of the two push rods, the upper end of the two push rods is fixedly connected through a handle, and a rounded corner is arranged at the lower end of the coring barrel body.

[0006] Preferably, a connecting lug is symmetrically arranged on the circumferential wall of the push plate.

[0007] Preferably, the lower ends of the two push rods are fixedly connected to the top of the two connecting ears respectively.

[0008] Preferably, a through groove is symmetrically formed in the top of the coring barrel body, and the hinge shaft is arranged in the through groove, and the two ends of the hinge shaft are rotatably connected to the side walls of the through groove through bearings.

[0009] Preferably, the upper end of the clamping arm is fixedly sleeved on the hinge shaft.

[0010] Preferably, an arc surface is arranged on the inner side wall of the clamping arm, and the arc surface is flush with the inner side wall of the coring barrel body.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a coring barrel special for water conservancy project quality detection, which is characterized in that: the coring barrel body is sleeved on the core sample, two handles are manually pulled upward, the two clamping arms are driven to rotate inward around the hinge shafts respectively, the clamping arms are tightly abutted against the outer wall of the core sample, the coring barrel body is pulled out upward, the core sample is clamped out by the two clamping arms, the operation is convenient, the handle is manually pushed downward, the push rod and the push plate are driven to move downward, the core sample stuck in the coring barrel body is pushed out by the push plate, and thus the personnel can take out the core sample stuck in the coring barrel body. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0014] Fig. 1 It is an external structure schematic view of the utility model discloses a coring barrel special for water conservancy project quality detection.

[0015] Fig. 2 It is an internal structure schematic view of the utility model discloses a coring barrel special for water conservancy project quality detection.

[0016] Fig. 3 It is an internal structure schematic view of the utility model discloses a coring barrel special for water conservancy project quality detection after removing the clamping arm.

[0017] In the drawings, the component list represented by each sign is as follows:

[0018] 1, take the core cylinder body; 11, through slot; 12, side groove; 13, round corner; 2, clamping arm; 21, arc surface; 3, handle; 31, counterweight ball head; 4, handle; 5, push rod; 6, hinged shaft; 7, push plate; 71, connecting lug. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme:

[0021] A kind of water conservancy project quality detection special core barrel, including the core barrel cylinder body 1, the upper portion of the core barrel cylinder body 1 is symmetrically connected with clamping arm 2 by hinged shaft 6, the top of the core barrel cylinder body 1 is symmetrically provided with through slot 11, hinged shaft 6 is arranged in through slot 11, and the both ends of hinged shaft 6 are rotatably connected on the side wall of through slot 11, the upper end of clamping arm 2 is fixedly sleeved on hinged shaft 6, the inner wall of the core barrel cylinder body 1 is symmetrically provided with side groove 12, two clamping arms 2 are respectively received in two side grooves 12, arc surface 21 is arranged on the inner side wall of clamping arm 2, and arc surface 21 is flush with the inner side wall of the core barrel cylinder body 1, the top of clamping arm 2 is fixedly connected with handle 3, handle 3 is arranged above the core barrel cylinder body 1, and the upper end of handle 3 is fixedly provided with counterweight ball head 31, the arrangement of counterweight ball head 31 makes that when the core barrel cylinder body 1 is vertically placed to take sample, clamping arm 2 can be received in side groove 12, so that the core barrel cylinder body 1 can be smoothly sleeved on the outside of core sample, and it also can prevent handle 3 from being easily dropped during the process of being pulled upward by hand, by sleeving the core barrel cylinder body 1 on core sample and manually pulling two handles 3 upward, two clamping arms 2 can be driven to rotate inward around respective hinged shaft 6, so that clamping arm 2 is tightly abutted with the outer wall of core sample, then the core barrel cylinder body 1 is pulled out upward, so that the core sample can be clamped out by two clamping arms 2, which is convenient to operate, the lower end of the core barrel cylinder body 1 is provided with round corner 13, the arrangement of round corner 13 facilitates the core barrel cylinder body 1 to be better inserted into drill slot, when the core sample is taken out, the core barrel cylinder body 1 can be sleeved on the outside of drilled core sample, then two handles 3 are manually pulled upward, which can simultaneously drive two clamping arms 2 below to rotate inward around respective hinged shaft 6, so that the lower end of clamping arm 2 is abutted on the outer wall of core sample, then handle 3 is pulled upward, which can drive clamping arm 2 to take out the core sample in the core barrel cylinder body 1 together.

[0022] The top of the coring barrel barrel body 1 is symmetrically movably connected with push rods 5, the lower ends of the two push rods 5 are fixedly connected with a push plate 7, the circumferential wall of the push plate 7 is symmetrically provided with connecting ears 71, the lower ends of the two push rods 5 are fixedly connected to the top of the two connecting ears 71 respectively, the upper ends of the two push rods 5 are fixedly connected through a handle 4, the handle 4 is manually pushed downward to drive the push rods 5 and the push plate 7 to move downward, the core sample stuck in the coring barrel barrel body 1 can be pushed out by the push plate 7, so that personnel can take out the core sample stuck in the coring barrel barrel body 1, when the core sample is stuck in the coring barrel barrel body 1 and cannot be automatically slid out, the handle 4 is manually pushed downward at this time, the push rods 5 and the push plate 7 are driven by the handle 4 to move downward, and the core sample stuck in the coring barrel barrel body 1 can be pushed out by the push plate 7.

[0023] Working principle: when the core sample is taken out, the coring barrel barrel body 1 can be sleeved outside the drilled core sample, then the two handles 3 are manually pulled upward, the two clamping arms 2 below the handles 3 can be driven to rotate inward around the respective hinge shafts 6, the lower end of the clamping arm 2 abuts against the outer wall of the core sample, then the handle 3 is pulled upward, the clamping arm 2 and the core sample in the coring barrel barrel body 1 are taken out together, when the core sample is stuck in the coring barrel barrel body 1 and cannot be automatically slid out, the handle 4 is manually pushed downward at this time, the push rods 5 and the push plate 7 are driven by the handle 4 to move downward, and the core sample stuck in the coring barrel barrel body 1 can be pushed out by the push plate 7.

[0024] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0025] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification of the technical solutions recorded in the foregoing embodiments, and equivalent replacement of part of the technical features, all belong to the protection scope of the present application.

Claims

1. A special core tube for hydraulic engineering quality detection, comprising a core tube barrel (1), characterized in that: The upper part of the coring barrel barrel (1) is symmetrically rotatably connected with clamping arms (2) through hinged shafts (6), the inner wall of the coring barrel barrel (1) is symmetrically provided with side grooves (12), two clamping arms (2) are respectively accommodated in two side grooves (12), the top of the clamping arm (2) is fixedly connected with a handle (3), the handle (3) is arranged above the coring barrel barrel (1), and the upper end of the handle (3) is fixedly provided with a counterweight ball head (31), the top of the coring barrel barrel (1) is symmetrically movably penetrated and connected with push rods (5), the lower ends of the two push rods (5) are fixedly connected with push plates (7), the upper ends of the two push rods (5) are fixedly connected through handles (4), and the lower end of the coring barrel barrel (1) is provided with a round corner (13).

2. The core barrel for quality detection of hydraulic engineering according to claim 1, characterized in that, The circumferential wall of the push plate (7) is symmetrically provided with connecting ears (71).

3. The core barrel according to claim 2, characterized in that, The lower ends of the two push rods (5) are respectively fixedly connected to the top of the two connecting ears (71).

4. The core barrel according to claim 1, characterized in that, The top of the coring barrel barrel (1) is symmetrically provided with a through groove (11), the hinged shaft (6) is arranged in the through groove (11), and the two ends of the hinged shaft (6) are rotatably connected to the side walls of the through groove (11) through bearings.

5. The core barrel according to claim 1, characterized in that, The upper end of the clamping arm (2) is fixedly sleeved on the hinged shaft (6).

6. The core barrel according to claim 1, wherein, The inner side wall of the clamping arm (2) is provided with an arc surface (21), and the arc surface (21) is flush with the inner side wall of the coring barrel barrel (1).

Citation Information

Patent Citations

  • Special coring cylinder for water conservancy project quality detection

    CN221484849U