Sampling device for obtaining soft rock wedge-shaped bank slope structural surface sample

By designing a sampling device containing a fixed mechanism and a sampling mechanism, the interview samples of rock slope structures are directly collected and prepared, and the problems of cumbersome preparation process and sample errors in traditional methods are solved, and efficient and accurate sample preparation and analysis are achieved.

CN222774303UActive Publication Date: 2025-04-18SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420657818.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-04-18
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

The preparation process of interview samples for traditional rock slope structures is cumbersome and inefficient, and may lead to sample damage and errors, affecting the accuracy of the test results.

Method used

A sampling device including a fixing mechanism and a sampling mechanism is designed, and the direct collection and precise preparation of in-situ structure interview samples are achieved through components such as hand-held turntables, rotating shafts, fixed disks, gears, intermediate shafts, drilling rigs and drilling tubes.

Benefits of technology

The device can directly obtain in-situ structure interview samples, retain complete morphological information of the structural surface, simplify the sample preparation process, improve the accuracy of the test results, and is suitable for potential local failure analysis of wedge-shaped shore slopes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222774303U_ABST
    Figure CN222774303U_ABST
Patent Text Reader

Abstract

The utility model provides a sampling device for obtaining a soft rock wedge bank slope structural surface sample, which comprises a fixing mechanism and a sampling mechanism, in the sampling mechanism, the upper end of a middle shaft is connected with a handheld turntable, the lower end of the middle shaft is connected with a drilling machine, the drilling machine is connected with a drilling pipe, the middle shaft is sleeved on a rotating shaft in the fixing turntable, and the middle shaft is sleeved on the rotating shaft. Two ends of the rotating shaft are respectively connected with the limiting gears; the fixing mechanism at least comprises four units evenly arranged around the fixing plate, each unit at least comprises a guide rod, a C-shaped frame, a limiting sleeve and a telescopic drill bit, the bottom end of the C-shaped frame is connected with the limiting sleeve, the limiting sleeve is connected with the telescopic drill bit, the guide rod penetrates through the edge position of the fixing disc, one end of the guide rod is connected with the upper end of the C-shaped frame, and the other end of the guide rod is connected with the lower end of the C-shaped frame. One end of the guide rod is connected with the upper end of the C-shaped frame, and the other end of the guide rod is connected with the lower end of the C-shaped frame; according to the utility model, the defects of the traditional structural surface research method are overcome, and the sampling efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of rock slope sampling, in particular to a sampling device for obtaining soft rock wedge-shaped bank slope structural surface samples. Background Art

[0002] The statements in this section merely provide background technology related to the present invention and do not necessarily constitute prior art.

[0003] The stability of rock slopes is mainly controlled by discontinuities (joint surfaces for short). The failure of slopes is mainly caused by the instability of wedges formed by the cutting of joints. However, the study of wedges, as a spatial problem, is much more complicated than that of plane problems.

[0004] The inventors found that traditional research on the structural surface of the bank slope is mostly to reshape the structural surface of the bank slope, scan and reconstruct the slope using 3D laser scanning, and simulate it in a simulation device of wedge-shaped landslide. The simulation production of the structural surface sample generally includes the following steps: 1) determine the sample size; 2) assemble the mold and apply the release agent; 3) prepare the rock-like material; 4) place it in the mold in layers and vibrate it; 5) demold and maintain; 6) complete the sample. It can be seen that the above sample preparation process is cumbersome and inefficient; moreover, the traditional sample preparation process may cause damage to the sample, and the prepared sample may have certain errors, which will affect the test results and are not accurate enough. Utility Model Content

[0005] In order to address the deficiencies of the prior art, the utility model provides a sampling device for obtaining structural surface samples of soft rock wedge-shaped slopes, which can directly obtain in-situ structural surface samples on site, retain the complete morphological information of the structural surface, overcome the deficiencies of traditional structural surface research methods, and after sampling, the existing rock structural surface shear strength test system can be directly used to carry out direct shear tests, which is conducive to comprehensively obtaining the changing law of the shear strength of the rock structural surface.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A sampling device for obtaining a sample of a soft rock wedge-shaped bank slope structure surface, comprising: a fixing mechanism and a sampling mechanism, wherein the sampling mechanism comprises: a handheld turntable, a rotating shaft, a fixed plate, a gear, an intermediate shaft, a drilling rig and a drill pipe, wherein the upper end of the intermediate shaft is connected to the handheld turntable, the lower end of the intermediate shaft is connected to the drilling rig, the drilling rig is connected to the drill pipe, the intermediate shaft is sleeved on the rotating shaft in the fixed plate, and both ends of the rotating shaft are respectively connected to the limit gears;

[0008] The fixing mechanism comprises at least four units evenly arranged around the fixing plate, each unit comprising at least a guide rod, a C-shaped frame, a limiting sleeve and a telescopic drill bit, the bottom end of the C-shaped frame is connected to the limiting sleeve, the limiting sleeve is connected to the retractable drill bit, the guide rod passes through the edge position of the fixing plate, one end of the guide rod is connected to the upper end of the C-shaped frame, and the other end of the guide rod is connected to the lower end of the C-shaped frame.

[0009] As a further limitation of the present invention, the fixing mechanism further includes a handheld fixing auxiliary component, and the handheld fixing auxiliary component is connected to the side of the limiting sleeve.

[0010] As a further limitation of the present invention, one end of the guide rod is connected to the upper end of the C-frame via bolts.

[0011] As a further limitation of the present invention, the center line of the intermediate shaft is perpendicular to the center line of the rotating shaft.

[0012] As a further limitation of the present invention, a through groove for accommodating the rotating shaft and a gear connected to the rotating shaft is formed on the fixed disk.

[0013] As a further limitation of the present invention, the fixing mechanism further includes a handle, and the handle is connected to the outer side of the C-shaped frame.

[0014] As a further limitation of the present invention, a plurality of outwardly protruding portions are evenly spaced on the outer circumference of the handheld turntable.

[0015] As a further limitation of the present invention, the C-shaped frame includes a vertical plate, a first horizontal plate and a second horizontal plate, the upper edge of the vertical plate is vertically connected to the first horizontal plate, the lower edge of the vertical plate is vertically connected to the second horizontal plate, and the guide rod passes through the space opposite to the first horizontal plate and the second horizontal plate.

[0016] As a further limitation of the present invention, the fixed disk is a circular disk.

[0017] As a further limitation of the present invention, the handheld turntable is a round disc.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The entire device of the utility model can complete the collection of in-situ structural surface samples, retain the complete information of the structural surface, can be used to analyze the potential local damage of the wedge-shaped slope, and retrieve the samples to conduct direct shear tests using the rock structural surface shear strength test system, which is conducive to comprehensively obtaining the changing law of the shear strength of the rock structural surface.

[0020] 2. The entire device of the utility model includes a fixing mechanism and a sampling mechanism, and adopts an assembled structure, which is convenient for carrying and field operation. The sampling mechanism is telescopically adjustable, making sample preparation more accurate and easy to operate.

[0021] 3. The fixing mechanism of the utility model includes a handle and a handheld fixing auxiliary component, which can more conveniently install, fix and disassemble the sampling mechanism, thereby improving on-site work efficiency.

[0022] 4. The utility model can conveniently adjust the position of the drill pipe and fix the drill pipe after the position adjustment through the arrangement of the handheld turntable, the intermediate shaft, the rotating shaft and the gears at both ends. The operation is simple and the work efficiency is improved.

[0023] Advantages of additional aspects of the present invention will be partially given in the following description, and partially become apparent from the following description, or be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0025] Figure 1 A schematic diagram of a sampling device for obtaining a sample of a soft rock wedge-shaped bank slope structure surface provided by the utility model;

[0026] Figure 2 A three-dimensional schematic diagram of the fixing mechanism provided by the utility model;

[0027] Figure 3 A three-dimensional schematic diagram of the sampling mechanism provided by the utility model;

[0028] Figure 4 A front view of the sampling mechanism provided by the utility model;

[0029] Figure 5 A side view of the sampling mechanism provided by the utility model;

[0030] Figure 6 A top view of the sampling mechanism provided by the utility model;

[0031] Among them, 1. fixing mechanism; 2. sampling mechanism; 1-1. bolt; 1-2. handle; 1-3-guide rod; 1-4-C-frame; 1-5-handheld fixing auxiliary component; 1-6-limiting sleeve; 1-7-telescopic drill bit; 2-1. handheld turntable; 2-2. rotating shaft; 2-3. fixed plate; 2-4. gear; 2-5. intermediate shaft; 2-6. drilling rig; 2-7. drill pipe. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0033] It should be noted that the following detailed descriptions are exemplary and are intended to provide further description of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0034] In the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0035] like Figure 1 As shown, in this implementation, a sampling device for obtaining a sample of a soft rock wedge-shaped bank slope structure surface is proposed, comprising: a fixing mechanism 1 and a sampling mechanism 2; the sampling mechanism 2 comprises: a handheld turntable 2-1, a rotating shaft 2-2, a fixing plate 2-3, a gear 2-4, an intermediate shaft 2-5, a drilling rig 2-6 and a drill pipe 2-7, the upper end of the intermediate shaft 2-5 is connected to the handheld turntable 2-1, the lower end of the intermediate shaft 2-5 is connected to the drilling rig 2-6, the drilling rig 2-6 is connected to the drill pipe 2-7, the intermediate shaft 2-5 is sleeved on the rotating shaft 2-2 in the fixing plate 2-3, and the two ends of the rotating shaft 2-2 are respectively connected to the gear 2-4 for limiting;

[0036] The fixing mechanism 1 includes at least four units evenly arranged around the fixing plate, each unit includes at least: a guide rod 1-3, a C-frame 1-4, a limiting sleeve 1-6 and a telescopic drill bit 1-7, the bottom end of the C-frame 1-4 is connected to the limiting sleeve 1-6, the limiting sleeve 1-6 is connected to the retractable drill bit, the guide rod 1-3 passes through the edge position of the fixing plate 2-3, one end of the guide rod 1-3 is connected to the upper end of the C-frame 1-4, and the other end of the guide rod 1-3 is connected to the lower end of the C-frame 1-4.

[0037] In the present implementation, preferably, the fixing mechanism 1 also includes a handheld fixing auxiliary component 1-5, and the handheld fixing auxiliary component 1-5 is connected to the side of the limiting sleeve 1-6; it can be understood that the connection here can be a detachable connection method such as a snap connection or a bolt connection, which will not be described in detail here; at the same time, the handheld fixing auxiliary component 1-5 here can be a handle 1-2 for convenient handholding or other structural forms for convenient handholding, which will not be repeated here.

[0038] In this implementation, preferably, one end of the guide rod 1-3 is connected to the upper end of the C-frame 1-4 via a bolt 1-1. It can be understood that the bolt connection here can also be a screw connection, or other fixed connection methods, which will not be repeated here.

[0039] In this implementation, preferably, the center line of the intermediate shaft 2-5 is perpendicular to the center line of the rotating shaft 2-2, and a through groove is opened on the fixed plate 2-3 for accommodating the rotating shaft 2-2 and the gear 2-4 connected to the rotating shaft 2-2, and a tooth groove is provided in the through groove for cooperating and fixing the gear 2-4.

[0040] In the present implementation, preferably, the fixing mechanism 1 further includes a handle 1-2, and the handle 1-2 is connected to the outer side of the C-frame 1-4, and is used to cooperate with the handheld fixing auxiliary component 1-5 to realize faster installation, fixation and disassembly of the fixing mechanism 1.

[0041] In this implementation, preferably, a plurality of outwardly protruding protrusions are evenly spaced on the outer circumference of the handheld turntable 2-1 to facilitate holding and fixing.

[0042] In this implementation, preferably, the C-shaped frame 1-4 includes a vertical plate, a first horizontal plate and a second horizontal plate, the upper edge of the vertical plate is vertically connected to the first horizontal plate, the lower edge of the vertical plate is vertically connected to the second horizontal plate, and the guide rod 1-3 passes through the space opposite to the first horizontal plate and the second horizontal plate.

[0043] In the present implementation, preferably, the fixed disk 2-3 and the handheld turntable 2-1 are both standard circular disks; it is understandable that in some other implementations, other structures may also be used as long as a certain symmetry can be ensured for easy installation, such as an ellipse or opposite-side diamonds, etc., which will not be elaborated here.

[0044] The steps of using the sampling device for obtaining a sample of a soft rock wedge-shaped bank slope structure surface include:

[0045] S1: Connect the limiting sleeve 1-6 at the bottom end of the C-frame 1-4 and the shrink drill bit 1-7 connected to the limiting sleeve 1-6 to the bottom end of the C-frame 1-4 as a whole, connect the handheld fixing auxiliary component 1-5 to the side of the limiting sleeve 1-6, and then evenly penetrate the guide rod 1-3 (threaded guide rod) on the edge of the fixing plate 2-3, and tighten the upper end of the C-frame 1-4 and the guide rod 1-3 with bolts 1-1, and the other four guide rods 1-3 are installed in this way in turn;

[0046] S2: The sampling mechanism 2 needs to connect the upper end of the intermediate shaft 2-5 to the handheld turntable 2-1, and the lower end to the drilling machine 2-6, and the drilling machine 2-6 is connected to the drill pipe 2-7, wherein the intermediate shaft 2-5 is sleeved on the rotating shaft 2-2 in the fixed plate 2-3, and the rotating shaft 2-2 is located on the fixed plate 2-3. Gears 2-4 are set at both ends to adjust the position of the drill pipe 2-7;

[0047] S3: The entire device is to install the sampling mechanism 2 on the fixing mechanism 1, and the entire device is placed above the slope of the wedge-shaped structural surface. Four telescopic drill bits 1-7 drill into the ground until the fixing mechanism 1 is attached to the fixing plate 2-3. The fixing mechanism 1 fixes the entire device. After the installation of the fixing mechanism 1 is completed, the sampling device has also been installed in place, and the acquisition of the wedge-shaped structural surface sample can be started.

[0048] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples, characterized in that: include: The fixing mechanism and the sampling mechanism include: a handheld turntable, a rotating shaft, a fixed plate, a gear, an intermediate shaft, a drill and a drill pipe, the upper end of the intermediate shaft is connected to the handheld turntable, the lower end of the intermediate shaft is connected to the drill, the drill is connected to the drill pipe, the intermediate shaft is sleeved on the rotating shaft in the fixed plate, and both ends of the rotating shaft are respectively connected to the limit gears; The fixing mechanism comprises at least four units evenly arranged around the fixing plate, each unit comprising at least a guide rod, a C-shaped frame, a limiting sleeve and a telescopic drill bit, the bottom end of the C-shaped frame is connected to the limiting sleeve, the limiting sleeve is connected to the retractable drill bit, the guide rod passes through the edge position of the fixing plate, one end of the guide rod is connected to the upper end of the C-shaped frame, and the other end of the guide rod is connected to the lower end of the C-shaped frame.

2. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: The fixing mechanism also includes a handheld fixing auxiliary component, which is connected to the side of the limiting sleeve.

3. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: One end of the guide rod is connected to the upper end of the C-frame through bolts.

4. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: The centerline of the intermediate shaft is perpendicular to the centerline of the rotating shaft.

5. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: The fixed plate is provided with a through slot for accommodating the rotating shaft and the gear connected with the rotating shaft.

6. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: The fixing mechanism also includes a handle, which is connected to the outer side of the C-shaped frame.

7. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: The outer circumference of the handheld turntable is evenly spaced with a plurality of protrusions protruding outwards.

8. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: The C-shaped frame includes a vertical plate, a first horizontal plate and a second horizontal plate, the upper edge of the vertical plate is vertically connected to the first horizontal plate, the lower edge of the vertical plate is vertically connected to the second horizontal plate, and the guide rod passes through the space opposite to the first horizontal plate and the second horizontal plate.

9. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: The fixed disk is a circular disk.

10. The sampling device for obtaining soft rock wedge-shaped bank slope structure surface samples according to claim 1, characterized in that: The handheld turntable is a round disc.