Multi-level highway pavement sampling device

Abstract

The utility model provides a multi-level highway pavement sampling device, which relates to the technical field of highway quality detection and comprises a fixed seat, a plurality of sampling devices and a plurality of sampling devices, a supporting assembly is arranged above the fixed seat, and the supporting assembly is arranged between the guide frame and the fixed seat; an adjusting seat is arranged on one side of the guide frame, the positioning ring is manually rotated and adjusted, the limiting effect on the limiting sleeve can be relieved, meanwhile, the limiting sleeve slides upwards along the limiting rod to be adjusted, the guide frame can be transversely and horizontally placed, the connecting structure is simple, operation is flexible and convenient, the occupied space of the device is effectively reduced, and the device is convenient to store and transport; the multi-layer highway pavement sampling device solves the problems that when an existing multi-layer highway pavement sampling device is used, due to the fact that the device is large in size, large in occupied space and inconvenient to store and transport, a sampled core sample is large in hardness and easy to fasten in a drill rod, the core sample is easy to break when the drill rod is vibrated, and the sampling efficiency is high. And the detection accuracy of the multi-level highway pavement is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of highway quality detection, in particular to a multi-layer highway pavement sampling device. Background Art

[0002] With the rapid development of my country's economy, society and highways, it has become a common consensus that highway quality is the life of the project. In order to ensure the quality of the project, it is necessary to test whether the quality of the highway pavement meets the engineering standards, and its importance cannot be ignored.

[0003] When the existing multi-layer road pavement sampling device is in use, it is relatively large in size, takes up a lot of space, is inconvenient to store and transport, and the core sample taken is relatively hard and easily fastened in the drill rod. When the drill rod is vibrated, the core sample is easily broken, affecting the accuracy of multi-layer road pavement detection. Utility Model Content

[0004] The disclosed embodiment relates to a multi-level highway pavement sampling device. By manually rotating the adjustment positioning ring, the limiting effect of the limiting sleeve can be released, and the limiting sleeve can be slid upward along the limiting rod to adjust the guide frame horizontally. The connection structure is simple and the operation is flexible and convenient, which effectively reduces the space occupied by the device and facilitates its storage and transportation.

[0005] In a first aspect of the present disclosure, a multi-level highway pavement sampling device is provided, which specifically includes: a fixed seat, a guide frame is provided above the fixed seat; a support assembly is provided above the fixed seat, and the support assembly is arranged between the guide frame and the fixed seat; an adjustment seat is provided on one side of the guide frame; a sampling drill rod is provided below the adjustment seat; and an adjustment push plate is provided inside the sampling drill rod.

[0006] In at least some embodiments, a support frame is provided on the front side of the top of the fixing seat, two buffer springs are provided on the support frame, and the two buffer springs are distributed in a symmetrical manner, and a first connecting double ear is provided on the rear side of the top of the fixing seat.

[0007] In at least some embodiments, a support base is provided at the bottom of the guide frame, and the support base is rotatably connected to the support frame through a pin shaft, and a buffer spring is supported at the bottom of the support base, and a mounting top seat is provided at the top of the guide frame, and an adjusting screw rod is rotatably installed between the mounting top seat and the support base through a bearing, and the adjusting screw rod is located in front of the guide frame, a handwheel is provided on the top of the adjusting screw rod, and a limiting rod is fixedly installed at the rear of the guide frame.

[0008] In at least some embodiments, the support assembly includes a support rod, a limit sleeve, a second connecting ear, a threaded sleeve, a through groove and a positioning ring. The bottom end of the support rod is rotatably connected to the first connecting ear through a pin shaft, the limit sleeve is slidably sleeved on the limit rod, and the second connecting ear is provided on the rear side of the limit sleeve, and the top of the support rod is rotatably connected to the second connecting ear through a pin shaft, a threaded sleeve is provided on the top of the limit sleeve, two through grooves are opened on the side wall of the threaded sleeve, and the two through grooves are symmetrically distributed, and a positioning ring is slidably installed on the threaded sleeve by means of threads.

[0009] In at least some embodiments, a drill is provided on the top of the adjustment seat, a connecting seat is provided on the rear side of the adjustment seat, and the adjusting screw rod slides through the connecting seat by means of a thread, a guide sleeve is provided at the rear of the connecting seat, and the guide sleeve is slidably mounted on the guide frame, and a connecting sleeve is provided at the bottom of the adjustment seat.

[0010] In at least some embodiments, the side wall of the sampling drill rod is provided with two limit grooves, and the two limit grooves are distributed in a symmetrical manner, and a connector is provided on the top of the sampling drill rod;

[0011] A sealing block is detachably installed in the limiting groove, and a limiting card slot is arranged on one side of the top end of the limiting groove.

[0012] In at least some embodiments, a threaded column is provided on the top of the connector, and the threaded column is fixedly connected to the connecting sleeve by means of threads, and a cylindrical inner cavity is provided in the connector and the threaded column.

[0013] In at least some embodiments, two limit columns are provided on the outer periphery of the adjusting push plate, and the two limit columns are distributed in a symmetrical manner, and the limit columns are clamped with the sampling drill rod through a limit slot, and a compression spring is provided on the top of the adjusting push plate, and the compression spring is supported between the adjusting push plate and the top wall of the cylindrical inner cavity.

[0014] The utility model provides a multi-level highway pavement sampling device, which has the following beneficial effects:

[0015] In the utility model, the limiting effect of the limiting sleeve can be released by manually rotating the adjustment positioning ring, and the limiting sleeve can be slid upward along the limiting rod for adjustment, so that the guide frame can be laid horizontally. The connection structure is simple, the operation is flexible and convenient, and the space occupied by the device is effectively reduced, which is convenient for its storage and transportation and has strong practicality.

[0016] In addition, after the sampling drill rod completes the highway pavement sampling, the sealing blocks in the limit grooves on both sides can be removed, and then the limit column can be pulled upward and rotated to adjust so that the limit column is disengaged from the limit slot. By utilizing the rebound effect of the compression spring, the adjustment push plate can be pushed downward along the limit groove to push the highway pavement sample in the sampling drill rod, so that the core sample can be quickly taken out, thereby improving its removal integrity and ensuring the accuracy of multi-level highway pavement detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0018] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture:

[0020] Figure 1 The overall axial viewing angle structure schematic diagram of the present application is shown;

[0021] Figure 2 A schematic diagram of the structure of the fixing seat and the supporting assembly of the present application is shown;

[0022] Figure 3 A schematic diagram of the limit sleeve structure of the present application is shown;

[0023] Figure 4 A schematic diagram of the sampling drill rod structure of the present application is shown;

[0024] Figure 5 A schematic diagram of the explosion state structure of a portion of the sampling drill rod and the adjusting push plate of the present application is shown.

[0025] List of reference numerals:

[0026] 1. Fixed seat; 101. Support frame; 102. Buffer spring; 103. First connecting ears;

[0027] 2. Guide frame; 201. Support base; 202. Mounting top seat; 203. Adjusting screw rod; 204. Hand wheel; 205. Limit rod;

[0028] 3. Support assembly; 301. Support rod; 302. Limit sleeve; 303. Second connecting ears; 304. Threaded sleeve; 305. Through groove; 306. Positioning ring;

[0029] 4. Adjusting seat; 401. Drilling machine; 402. Connecting seat; 403. Guide sleeve; 404. Connecting sleeve;

[0030] 5. sampling drill rod; 501. limiting groove; 5011. sealing block; 5012. limiting slot; 502. connector; 5021. threaded column; 5022. cylindrical inner cavity;

[0031] 6. Adjust the push plate; 601. Limit column; 602. Compression spring. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Example 1: Please refer to Figures 1 to 5 :

[0034] The utility model proposes a multi-level road pavement sampling device, comprising: a fixed seat 1, a guide frame 2 is arranged above the fixed seat 1; a support assembly 3 is arranged above the fixed seat 1, and the support assembly 3 is arranged between the guide frame 2 and the fixed seat 1; an adjustment seat 4 is arranged on one side of the guide frame 2; a sampling drill rod 5 is arranged below the adjustment seat 4; an adjustment push plate 6 is arranged inside the sampling drill rod 5;

[0035] A drill 401 is provided on the top of the adjusting seat 4, a connecting seat 402 is provided on the rear side of the adjusting seat 4, and the adjusting screw rod 203 slides through the connecting seat 402 by means of a thread, a guide sleeve 403 is provided at the rear of the connecting seat 402, and the guide sleeve 403 is slidably mounted on the guide frame 2, and a connecting sleeve 404 is provided at the bottom of the adjusting seat 4.

[0036] In the present disclosure, Figure 2 and Figure 3 As shown, a support frame 101 is provided on the front side of the top of the fixing seat 1, two buffer springs 102 are provided on the support frame 101, and the two buffer springs 102 are distributed in a symmetrical manner, and a first connecting double ear 103 is provided on the rear side of the top of the fixing seat 1;

[0037] A support base 201 is provided at the bottom of the guide frame 2, and the support base 201 is rotatably connected to the support frame 101 through a pin shaft, and a buffer spring 102 is supported at the bottom of the support base 201. A mounting top seat 202 is provided at the top of the guide frame 2, and an adjusting screw rod 203 is rotatably installed between the mounting top seat 202 and the support base 201 through a bearing, and the adjusting screw rod 203 is located in front of the guide frame 2, and a hand wheel 204 is provided at the top of the adjusting screw rod 203, and a limit rod 205 is fixedly installed at the rear of the guide frame 2;

[0038] The support assembly 3 includes a support rod 301, a limiting sleeve 302, a second connecting ear 303, a threaded sleeve 304, a through groove 305 and a positioning ring 306. The bottom end of the support rod 301 is rotatably connected to the first connecting ear 103 through a pin shaft, the limiting sleeve 302 is slidably sleeved on the limiting rod 205, and the rear side of the limiting sleeve 302 is provided with a second connecting ear 303, and the top end of the support rod 301 is rotatably connected to the second connecting ear 303 through a pin shaft, and the top of the limiting sleeve 302 is provided with a threaded sleeve The threaded sleeve 304 has two through grooves 305 on its side wall, and the two through grooves 305 are symmetrically distributed. A positioning ring 306 is slidably installed on the threaded sleeve 304 by means of a thread. During the storage and transportation of the utility model, the positioning ring 306 can be manually rotated to adjust the positioning ring 306 to release the limiting effect on the limiting sleeve 302, and the limiting sleeve 302 can be slid upward along the limiting rod 205 to adjust the guide frame 2 to be horizontally laid flat, thereby effectively reducing the space occupied by the device.

[0039] Embodiment 2, based on embodiment 1, as Figure 4 and Figure 5 As shown, the side wall of the sampling drill rod 5 is provided with two limit grooves 501, and the two limit grooves 501 are distributed in a symmetrical manner, and the top of the sampling drill rod 5 is provided with a connector 502;

[0040] A sealing block 5011 is detachably installed in the limiting groove 501, and a limiting card slot 5012 is provided on one side of the top of the limiting groove 501;

[0041] A threaded column 5021 is provided at the top of the connector 502, and the threaded column 5021 is fixedly connected to the connector sleeve 404 by means of threads, and a cylindrical inner cavity 5022 is provided in the connector 502 and the threaded column 5021;

[0042] Two limit columns 601 are provided on the periphery of the adjusting push plate 6, and the two limit columns 601 are distributed in a symmetrical manner, and the limit columns 601 are clamped with the sampling drill rod 5 through the limit slot 5012. A compression spring 602 is provided on the top of the adjusting push plate 6, and the compression spring 602 is supported between the adjusting push plate 6 and the top wall of the cylindrical inner cavity 5022. When the sampling drill rod 5 completes the highway pavement sampling, the sealing blocks 5011 in the limit slots 501 on both sides can be removed, and then the limit columns 601 can be pulled upward and rotated to adjust so that the limit columns 601 are separated from the limit slots 5012. By utilizing the rebound effect of the compression spring 602, the adjusting push plate 6 can push the highway pavement sample in the sampling drill rod 5 downward along the limit slot 501, so that the core sample can be quickly taken out.

[0043] The working principle of this embodiment: when in use, the limiting effect on the limiting sleeve 302 can be released by manually rotating the adjusting positioning ring 306, and at the same time, the limiting sleeve 302 can be slid upward along the limiting rod 205 to adjust, so that the guide frame 2 can be laid horizontally, effectively reducing the space occupied by the device; when the sampling drill rod 5 completes the sampling of the road surface, the sealing blocks 5011 in the limiting grooves 501 on both sides can be removed, and then the limiting column 601 can be pulled upward and rotated to adjust so that the limiting column 601 is disengaged from the limiting slot 5012, and the rebound effect of the compression spring 602 can be used to make the adjusting push plate 6 push the road surface sample in the sampling drill rod 5 downward along the limiting groove 501, so that the core sample can be quickly taken out.

[0044] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A multi-layer road surface sampling device, characterized in that: include: A fixed seat, a guide frame is provided above the fixed seat; a support assembly is provided above the fixed seat, and the support assembly is arranged between the guide frame and the fixed seat; an adjustment seat is provided on one side of the guide frame; a sampling drill rod is provided below the adjustment seat; an adjustment push plate is provided inside the sampling drill rod.

2. A multi-layer road surface sampling device according to claim 1, characterized in that: A support frame is provided on the front side of the top of the fixing seat, and two buffer springs are provided on the support frame, and the two buffer springs are distributed in a symmetrical manner. A first connecting double ear is provided on the rear side of the top of the fixing seat.

3. A multi-layer road surface sampling device according to claim 1, characterized in that: A support base is provided at the bottom of the guide frame, and the support base is rotatably connected to the support frame through a pin shaft, and a buffer spring is supported at the bottom of the support base. A mounting top seat is provided at the top of the guide frame, and an adjusting screw is rotatably installed between the mounting top seat and the support base through a bearing, and the adjusting screw is located in front of the guide frame, a hand wheel is provided on the top of the adjusting screw, and a limit rod is fixedly installed at the rear of the guide frame.

4. A multi-layer road surface sampling device according to claim 1, characterized in that: The support assembly includes a support rod, a limit sleeve, a second connecting ear, a threaded sleeve, a through groove and a positioning ring. The bottom end of the support rod is rotatably connected to the first connecting ear by a pin shaft, the limit sleeve is slidably sleeved on the limit rod, and the second connecting ear is provided on the rear side of the limit sleeve, and the top of the support rod is rotatably connected to the second connecting ear by a pin shaft, a threaded sleeve is provided on the top of the limit sleeve, two through grooves are opened on the side wall of the threaded sleeve, and the two through grooves are symmetrically distributed, and a positioning ring is slidably installed on the threaded sleeve by means of threads.

5. A multi-layer road surface sampling device according to claim 1, characterized in that: A drilling rig is provided on the top of the adjusting seat, a connecting seat is provided on the rear side of the adjusting seat, and the adjusting screw rod slides through the connecting seat by means of a thread, a guide sleeve is provided at the rear of the connecting seat, and the guide sleeve is slidably mounted on the guide frame, and a connecting sleeve is provided at the bottom of the adjusting seat.

6. A multi-layer road surface sampling device according to claim 1, characterized in that: The side wall of the sampling drill rod is provided with two limit grooves, and the two limit grooves are distributed in a symmetrical manner, and a connector is provided on the top of the sampling drill rod; A sealing block is detachably installed in the limiting groove, and a limiting card slot is arranged on one side of the top end of the limiting groove.

7. A multi-layer road surface sampling device according to claim 6, characterized in that: A threaded column is provided on the top of the connector, and the threaded column is fixedly connected to the connecting sleeve by means of threads, and a cylindrical inner cavity is provided in the connector and the threaded column.

8. A multi-layer road surface sampling device according to claim 1, characterized in that: Two limit columns are arranged on the outer periphery of the adjusting push plate, and the two limit columns are distributed in a symmetrical manner, and the limit columns are clamped with the sampling drill rod through the limit clamping groove, and a compression spring is arranged on the top of the adjusting push plate, and the compression spring is supported between the adjusting push plate and the top wall of the cylindrical inner cavity.

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