Sampling device for detecting moisture content of earthwork roadbed
By designing a sampling device with a sliding plate and a scraper, the problem of difficult-to-clean soil clumps adhering to the inner wall of the sampling cylinder was solved, achieving a fast and labor-saving cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-03-27
AI Technical Summary
During earthwork construction, it is difficult to clean the soil clumps adhering to the inner wall of the sampling tube, making the sampling process time-consuming and laborious.
A sampling device was designed, comprising a frame, a sliding plate, a pushing device, and a scraper. The sampling cylinder is inserted into the soil layer by the sliding plate and a motor, and the inner wall soil is scraped off by the scraper. The soil clods are collected through the cleaning port.
It enables quick and labor-saving cleaning of the clay clumps adhering to the inner wall of the sampling tube, avoiding the difficulties of manual knocking or using chisels to clean, and improving sampling efficiency.
Smart Images
Figure CN224051630U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to earthwork roadbed construction detection technical field especially relates to a sampling device for earthwork roadbed water content detection. BACKGROUND
[0002] In earthwork construction, each layer of earthwork needs to be sampled for water content detection after compaction, and water content is one of the key factors affecting the compaction effect of backfill soil. Appropriate water content can make soil particles better combined and improve the compaction effect. When sampling the earthwork layer, the sampling cylinder is often inserted into the roadbed to take out the test soil sample. However, the soil block often sticks to the inner wall of the sampling cylinder, which is difficult to remove. At this time, manual knocking of the cylinder wall or using a chisel for cleaning is required, which is time-consuming and laborious. SUMMARY
[0003] The utility model aims at providing a sampling device for earthwork roadbed water content detection, which solves the problem of soil block sticking to the inner wall of the sampling cylinder mentioned in the background technology.
[0004] The utility model adopts the following technical scheme:
[0005] The utility model relates to a sampling device for earthwork roadbed water content detection, which comprises a frame body and a sampling cylinder. A sliding plate that can slide up and down is arranged on the frame body. The sliding plate is connected with the telescopic end of a pushing device. The pushing device is arranged in the frame body. A scraping cylinder that can slide horizontally is arranged at the bottom of the frame body. The scraping cylinder comprises a cylinder seat. A plurality of scraping plates are arranged vertically on the cylinder seat. The cutting edge of the scraping plate is in contact with the inner wall of the sampling cylinder. The sampling cylinder is fixedly connected with the output end of a motor. The motor is fixedly arranged on the sliding plate.
[0006] Further, a cleaning port is arranged on the side wall of the cylinder seat, and the cleaning port extends to the inner bottom surface of the cylinder seat.
[0007] Further, the frame body comprises a bottom plate and a top plate. The bottom plate and the top plate are fixedly connected through a vertical rod. A sampling port is arranged on the bottom plate, and the sampling port is located directly below the sampling cylinder.
[0008] Further, a sliding rod is fixedly connected between the bottom plate and the top plate. A sliding hole is arranged on the sliding plate, and the sliding hole is in sliding connection with the sliding rod.
[0009] Further, a scale line and a second limiting block are arranged on the sliding rod. The second limiting block is slidingly arranged on the sliding rod. The second limiting block is located below the sliding plate. A second fastening bolt is threadedly connected with the second limiting block. The second fastening bolt is in abutting connection with the sliding rod.
[0010] Further, the pushing device comprises an electric push rod, the electric push rod is fixedly connected to the lower end face of the top plate, the telescopic end of the electric push rod is fixedly connected with a pushing frame, the pushing frame is fixedly arranged on the upper end face of the sliding plate, and the pushing frame is arranged on the outer side of the motor.
[0011] Further, the bottom of the barrel seat is provided with a base, the lower end face of the base is provided with sliding rails, the bottom plate is provided with sliding grooves, and the sliding rails and the sliding grooves are in sliding connection.
[0012] Further, the two ends of the sliding groove are provided with first limiting blocks, the base is rotatably connected with a limiting plate, threaded holes are arranged on the limiting plate and the first limiting blocks, and the limiting plate and the first limiting blocks are fixedly connected through first fastening bolts.
[0013] Compared with the prior art, the beneficial technical effects of the utility model are:
[0014] The utility model discloses a scraping cylinder, the sampling cylinder with the earth block adhered to the inner wall is moved on the scraping cylinder, and the earth block can be scraped off by rotating the sampling cylinder, thereby saving time and effort. DRAWINGS
[0015] The utility model will be further described in connection with the drawings.
[0016] Figure 1 It is structure schematic diagram of sampling device for earthwork subgrade water content detection of the utility model;
[0017] Figure 2 It is structure schematic diagram of scraping cylinder in sampling device for earthwork subgrade water content detection of the utility model;
[0018] Figure 3 It is structure schematic diagram of frame body in sampling device for earthwork subgrade water content detection of the utility model;
[0019] Figure 4 It is structure schematic diagram of second limiting block in sampling device for earthwork subgrade water content detection of the utility model;
[0020] Figure 5 It is structure schematic diagram of first limiting block and limiting plate in open state in sampling device for earthwork subgrade water content detection of the utility model;
[0021] Figure 6 It is structure schematic diagram of first limiting block and limiting plate in locking state in sampling device for earthwork subgrade water content detection of the utility model.
[0022] Explanation of reference signs: 1, frame body; 1-1, bottom plate; 1-2, top plate; 1-3, vertical rod; 1-4, sliding rod; 1-4-1, scale line; 1-4-2, second limiting block; 1-4-3, second fastening bolt; 1-5, sliding groove; 1-6, first limiting block; 2, sliding plate; 2-1, sliding hole; 3, pushing device; 3-1, electric push rod; 3-2, pushing frame; 4, sampling cylinder; 5, motor; 6, sampling port; 7, scraping cylinder; 7-1, cylinder seat; 7-2, scraping plate; 7-3, cleaning port; 8, base; 8-1, sliding rail; 8-2, limiting plate; 8-3, first fastening bolt. DETAILED DESCRIPTION
[0023] In order to make the technical problems, technical solutions and beneficial effects of the utility model to be solved more clearly, the utility model is further described in detail below in combination with the drawings and examples.
[0024] As shown in the drawings, a sampling device for detecting water content of earthwork subgrade is disclosed in the embodiment, which comprises a frame body 1 and a sampling cylinder 4. Figure 1 The output end of the sampling cylinder 4 is fixedly connected with a motor 5, and the motor 5 is fixedly arranged on a sliding plate 2. The sliding plate 2 is arranged on the frame body 1 and can slide up and down, and the sliding plate 2 is connected with the telescopic end of a pushing device 3, and the pushing device 3 is arranged in the frame body 1. The bottom of the frame body 1 is provided with a scraping cylinder 7 which can slide horizontally, and the scraping cylinder 7 comprises a cylinder seat 7-1, a plurality of scraping plates 7-2 are vertically arranged on the cylinder seat 7-1, the edge of the scraping plate 7-2 is provided with a blade, and the blade of the scraping plate 7-2 is in contact with the inner wall of the sampling cylinder 4. During sampling, the sliding plate 2 is pushed downward by the pushing device 3, and the motor 5 is started at the same time, so that the sampling cylinder 4 drills downward on the earthwork backfill layer, and when the drilling is completed, if the inner wall of the sampling cylinder 4 is adhered with soil blocks, the sampling cylinder 4 is slid upward by the pushing device 3, the scraping cylinder 7 is slid to the position directly below the sampling cylinder 4, the sampling cylinder 4 is slid downward so that the scraping cylinder 7 is inserted into the sampling cylinder 4, the pushing device 3 is stopped after the sliding is completed, the motor 5 is started, and the sampling cylinder 4 rotates outside the scraping cylinder 7, and at the same time, the adhered soil blocks on the inner wall fall off under the scraping of the scraping plate 7-2 and drop into the cylinder seat 7-1.
[0025] As shown in the drawings, a sampling device for detecting water content of earthwork subgrade is disclosed in the embodiment, which comprises a frame body 1 and a sampling cylinder 4. Figure 2 In the embodiment, a cleaning port 7-3 is arranged on the side wall of the cylinder seat 7-1, and the cleaning port 7-3 extends to the inner bottom surface of the cylinder seat 7-1. When the soil blocks fall into the cylinder seat 7-1, the fallen soil can be swept out through the cleaning port 7-3 for subsequent sampling and weighing. In the embodiment, the design of the scraping cylinder 7 not only helps to clean the adhered soil blocks on the inner wall of the sampling cylinder 4, but also collects the cleaned soil blocks for standby use, thereby avoiding the loss of sampling soil.
[0026] As shown in the drawings, a sampling device for detecting water content of earthwork subgrade is disclosed in the embodiment, which comprises a frame body 1 and a sampling cylinder 4. Figure 3As shown, the frame body 1 includes a bottom plate 1-1 and a top plate 1-2, and the bottom plate 1-1 and the top plate 1-2 are fixedly connected through a vertical rod 1-3, and a handrail is arranged on the vertical rod 1-3. A sampling port 6 is arranged on the bottom plate 1-1, and the sampling port 6 is located directly below the sampling cylinder 4. When sampling is needed, the sampling cylinder 4 is lowered and passes through the sampling port 6 to contact the surface of the earth layer, and then the drilling sampling work can be carried out. The side edge of the bottom plate 1-1 is provided with a roller, and when the device needs to be moved, the device can be pushed by the roller when it is inclined.
[0027] The bottom plate 1-1 and the top plate 1-2 are fixedly connected with a sliding rod 1-4, and the sliding plate 2 is provided with a sliding hole 2-1, and the sliding hole 2-1 is in sliding connection with the sliding rod 1-4, so that the sliding plate 2 can freely slide up and down.
[0028] In this embodiment, the pushing device 3 includes an electric push rod 3-1, which is fixedly connected to the lower end face of the top plate 1-2, and the telescopic end of the electric push rod 3-1 is fixedly connected with a pushing frame 3-2, which is fixedly arranged on the upper end face of the sliding plate 2, and the pushing frame 3-2 is arranged on the outer side of the motor 5. When the telescopic end of the electric push rod 3-1 is extended, the pushing frame 3-2 is pushed in, and the sliding plate 2 is pushed to slide along the sliding rod 1-4.
[0029] As shown in Figure 4 , the sliding rod 1-4 is provided with a scale line 1-4-1 and a second limiting block 1-4-2, the second limiting block 1-4-2 is slidingly arranged on the sliding rod 1-4, the second limiting block 1-4-2 is located below the sliding plate 2, the second limiting block 1-4-2 is threadedly connected with a second fastening bolt 1-4-3, and the second fastening bolt 1-4-3 is in abutting engagement with the sliding rod 1-4. Loosening the second fastening bolt 1-4-3 can move the position of the second limiting block 1-4-2, and when cleaning the inner wall of the sampling cylinder 4, the position of the second limiting block 1-4-2 is set, and when the sliding plate 2 moves to the position of the second limiting block 1-4-2, the work of the pushing device 3 should be stopped, so as to ensure that the upper edge of the scraper 7-2 is located below the inner bottom of the sampling cylinder 4, and to avoid damage to the scraper 7-2 due to excessive pressure of the sampling cylinder 4. At the same time, the different scales of the sliding plate 2 corresponding to the scale line 1-4-1 can also be used to assist in checking the drilling depth of the sampling cylinder 4.
[0030] As shown in Figure 3 , Figure 5 , and Figure 6As shown, the bottom of the barrel seat 7-1 is provided with a base 8, the lower end face of the base 8 is provided with a sliding rail 8-1, the bottom plate 1-1 is provided with a sliding groove 1-5, and the sliding rail 8-1 is in sliding connection with the sliding groove 1-5. The sliding groove 1-5 and the sliding rail 8-1 are both provided with two, and the sliding groove 1-5 and the sliding rail 8-1 are both located on both sides of the sampling port 6. The two ends of the sliding groove 1-5 are provided with first limiting blocks 1-6, and the base 8 is rotatably connected with limiting plates 8-2 through hinges. In the embodiment, the limiting plates 8-2 are provided with four, which are located at the corresponding edge positions of the base 8 above the sliding groove 1-5, and the limiting plates 8-2 and the first limiting blocks 1-6 are both provided with threaded holes, and the threaded holes are provided with first fastening bolts 8-3, and the limiting plates 8-2 and the first limiting blocks 1-6 are fixedly connected together through the first fastening bolts 8-3. When drilling sampling, the base 8 is located at one end of the sliding groove 1-5 away from the sampling port 6, and the limiting plate 8-2 on the side of the base 8 away from the sampling port 6 is buckled on the first limiting block 1-6 on the side of the sliding groove 1-5 away from the sampling port 6, and is fastened through the first fastening bolt 8-3. When it is necessary to clean the sampling cylinder 4, the first fastening bolt 8-3 on the side is unscrewed, the base 8 and the scraping cylinder 7 are moved to below the sampling cylinder 4, and the first limiting block 1-6 on the side of the sliding groove 1-5 close to the sampling port 6 is fastened with the corresponding limiting plate 8-2 through the first fastening bolt 8-3, so that the position of the base 8 and the scraping cylinder 7 is fixed.
[0031] The action process of the utility model is as follows:
[0032] First, the device is moved to the desired position, the second limit block 1-4-2 is moved to the appropriate position fastening, avoid the impact on the sliding plate 2. The base 8 is fastened with the first fastening bolt 8-3, the limiting plate 8-2 and the first limiting block 1-6 on the side away from the sampling port 6, the electric push rod 3-1 is started to push the sliding plate 2 down, when the sampling cylinder 4 is about to contact the ground, the motor 5 is started to make the sampling cylinder 4 rotate, at the same time, the electric push rod 3-1 continues to work, until the desired depth is reached, the motor 5 is stopped, and the electric push rod 3-1 is reset. When the soil sample is taken out, the soil block adhered in the sampling cylinder 4 needs to be cleaned, the second limiting block 1-4-2 is set in position, the sampling cylinder 4 is moved up to the appropriate height by the electric push rod 3-1, the first fastening bolt 8-3 is loosened, the scraping cylinder 7 is moved directly below the sampling cylinder 4, and the first limiting block 1-6 close to the sampling port 6 is fastened with the corresponding limiting plate 8-2 by the first fastening bolt 8-3, so that the base 8 and the scraping cylinder 7 are fixed in position. The electric push rod 3-1 is started to push the sampling cylinder 4 down, until the sliding plate 2 reaches the position of the second limiting block 1-4-2, the motor 5 is started to make the sampling cylinder 4 rotate, the inner wall of the rotating sampling cylinder 4 is scraped by the scraping plate 7-2, and the soil block adhered to the inner wall will fall into the cylinder seat 7-1. After cleaning, the motor 5 and the electric push rod 3-1 are stopped and reset, and the base 8 and the scraping cylinder 7 are reset. The soil block in the cylinder seat 7-1 can be swept out through the sweeping port 7-3 and collected uniformly.
[0033] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.
Claims
1. A sampling device for detecting water content of earth roadbed, characterized by: Includes a frame (1) and a sampling tube (4). The frame (1) is provided with a sliding plate (2) that can slide up and down. The sliding plate (2) is connected to the telescopic end of a pushing device (3). The pushing device (3) is located inside the frame (1). The bottom of the frame (1) is provided with a scraper (7) that can slide horizontally. The scraper (7) includes a cylinder base (7-1). Several scrapers (7-2) are vertically arranged on the cylinder base (7-1). The blades of the scrapers (7-2) are in contact with the inner wall of the sampling cylinder (4). The sampling tube (4) is fixedly connected to the output end of the motor (5), and the motor (5) is fixedly mounted on the sliding plate (2).
2. The sampling device for detecting water content of earthwork subgrade according to claim 1, characterized by: The side wall of the cylinder seat (7-1) is provided with a cleaning port (7-3), and the cleaning port (7-3) extends to the inner bottom surface of the cylinder seat (7-1).
3. The sampling device for detecting water content of earthwork subgrade according to claim 1, characterized by: The frame (1) includes a base plate (1-1) and a top plate (1-2), and the base plate (1-1) and the top plate (1-2) are fixedly connected by uprights (1-3); A sampling port (6) is provided on the base plate (1-1), and the sampling port (6) is located directly below the sampling cylinder (4).
4. The sampling device for earthwork subgrade water content detection according to claim 3, characterized in that: A sliding rod (1-4) is fixedly connected between the bottom plate (1-1) and the top plate (1-2). A sliding hole (2-1) is provided on the sliding plate (2), and the sliding hole (2-1) is slidably connected to the sliding rod (1-4).
5. The sampling device for detecting water content of earth roadbed according to claim 4, characterized by: The slide rod (1-4) is provided with a scale line (1-4-1) and a second limiting block (1-4-2). The second limiting block (1-4-2) is slidably disposed on the slide rod (1-4) and is located below the sliding plate (2). A second fastening bolt (1-4-3) is threadedly connected to the second limiting block (1-4-2), and the second fastening bolt (1-4-3) abuts against the slide rod (1-4).
6. The sampling device for earthwork subgrade water content detection according to claim 3, characterized in that: The pushing device (3) includes an electric push rod (3-1), which is fixedly connected to the lower end face of the top plate (1-2). The telescopic end of the electric push rod (3-1) is fixedly connected to the pushing frame (3-2). The pushing frame (3-2) is fixedly set on the upper end face of the sliding plate (2) and is located outside the motor (5).
7. The sampling device for detecting water content of earthwork subgrade according to claim 3, characterized by: The bottom of the cylindrical base (7-1) is provided with a base (8), the lower end face of the base (8) is provided with a slide rail (8-1), the bottom plate (1-1) is provided with a slide groove (1-5), and the slide rail (8-1) is slidably connected to the slide groove (1-5). Two slides (1-5) and two slide rails (8-1) are provided, and the slides (1-5) and the slide rails (8-1) are located on both sides of the sampling port (6).
8. The sampling device for earthwork subgrade water content detection according to claim 7, characterized in that: Both ends of the chute (1-5) are provided with first limiting blocks (1-6), the base (8) is rotationally connected with a limiting plate (8-2), the limiting plate (8-2) and the first limiting blocks (1-6) are both provided with threaded holes, and the limiting plate (8-2) and the first limiting blocks (1-6) are fixedly connected through first fastening bolts (8-3).