Sampling device

Abstract

The utility model provides a sampler, which relates to the technical field of rock soil sampling and comprises a sampling tube, an upper extension rod and a pull-out bracket, the device is characterized in that an upper extension rod is arranged at the upper end of the sampling pipe, a pull-out support is arranged on the outer side of the upper extension rod, the sampling pipe is composed of two semicircular pipes, threads on the outer side of the lower end of the sampling pipe are in threaded connection with a lower fixing ring, threads on the outer side of the upper end of the sampling pipe are in threaded connection with an upper connecting pipe frame, and inner clamping grooves are formed in the two sides of the interior of the upper connecting pipe frame; a middle limiting ring rotates in the middle of the upper connecting pipe frame in the circumferential direction, and inner through grooves are formed in the two sides of the middle limiting ring correspondingly. The upper extension rod and the upper extension rod or the sampling pipe are connected through sliding insertion of the lower connecting column and the upper connecting pipe frame, compared with a threaded connection mode, sliding insertion installation is quicker, and the problems that the threaded connection extension rod needs to be rotationally separated through a pipe wrench, disassembly, separation and installation are strenuous, and consumed time is long are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rock and soil sampling equipment, in particular to a sampler. Background Art

[0002] In geotechnical engineering, samplers are used to extract samples from the soil for laboratory testing. These samples help analyze the physical and mechanical properties of the soil, providing important data for engineering design and construction.

[0003] The sampler is composed of two semicircular tubes spliced ​​into a circular tube for sampling. The circular tube is extended by a screw-on extension rod for deeper sampling. When taking out the soil inside the circular tube, it needs to be separated from the screw-on extension rod first. The screw-on extension rod needs to be rotated and separated using a pipe clamp. Disassembly, separation and installation are all laborious and time-consuming. Summary of the invention

[0004] The disclosed embodiment relates to a sampler, in which an upper extension rod and an upper extension rod or a sampling tube are connected by sliding connection of a lower connecting column and an upper connecting pipe rack. Compared with a threaded connection, the sliding connection is faster and eliminates the need for a pipe clamp to assist in disassembly of a threaded connection. It can be manually disassembled without tools. The middle ring rack assists in limiting the upper extension rod to ensure that the upper extension rod remains vertically downward. The upper rotating rack is connected to the upper extension rod to increase the length of the lever. There is no need to carry a special extension tube, thereby reducing the amount of equipment that needs to be carried.

[0005] According to a first aspect of the present disclosure, a sampler is provided, which specifically includes: a sampling tube, an upper extension rod and a pull-out bracket, wherein the upper end of the sampling tube is provided with an upper extension rod, and the outer side of the upper extension rod is provided with a pull-out bracket, the sampling tube is composed of two semicircular tubes spliced ​​together, the outer side thread of the lower end of the sampling tube is screwed to the lower fixing ring, the outer side thread of the upper end of the sampling tube is screwed to the upper connecting tube rack, inner grooves are provided on both sides of the inner part of the upper connecting tube rack, a middle limit ring is provided in the middle part of the upper connecting tube rack for circumferential rotation, inner through grooves are provided on both sides of the middle limit ring, and a vertical slider is provided on the outer side of the upper connecting tube rack for vertical sliding.

[0006] In at least some embodiments, the sampling tube has vertical sliders that slide axially and vertically above and below the middle limiting ring, and a support spring is fixed between the vertical slider and the upper connecting pipe rack, which supports the vertical slider and the sliding groove of the middle limiting ring to slide.

[0007] In at least some embodiments, the sampling tube has horizontal sliders that slide horizontally above and below the middle limit ring. When the vertical slider and the slide groove of the middle limit ring are slid into, the tail ends of the horizontal slider and the vertical slider slide and fit together. When the horizontal slider moves to the tail of the vertical slider, the vertical slider cannot move vertically.

[0008] In at least some embodiments, a lower connecting column is welded and fixed to the bottom of the upper extension rod, and external connecting protrusions protrude on both sides of the lower end of the lower connecting column. The bottom plane of the middle limit ring rotates above the external connecting protrusion, and the external connecting protrusion and the upper extension rod cannot move axially.

[0009] In at least some embodiments, the lower connecting column and the upper connecting tube rack are axially slidably connected, the external connecting protrusion slides inside the inner groove, the upper end of the upper extension rod is welded and fixed with the upper connecting tube rack, and the upper extension rod and the upper extension rod or the sampling tube are extended by the sliding connection between the lower connecting column and the upper connecting tube rack.

[0010] In at least some embodiments, the lower end of the pull-out bracket is screwed with a lower fixed seat, a middle ring frame is slidably provided in the middle of the pull-out bracket, side clamps are rotatably provided on both sides of the middle ring frame, an upper connecting belt is fixed to the tail end of the side clamp, and the upper end of the upper connecting belt is fixed to the upper rotating frame.

[0011] In at least some embodiments, the middle portion of the upper rotating frame is rotatably connected to the top of the pull-out bracket, the upper connecting pipe rack of the upper extension rod at the tail end of the upper rotating frame is slidably connected, the upper rotating frame is connected to the upper extension rod to increase the length of the lever, and there is no need to carry a special extension tube. The middle ring rack surrounds the outside of the upper extension rod, and the sampling tube passes through the middle ring rack and goes deep into the ground. The middle ring rack assists in limiting the upper extension rod and the sampling tube.

[0012] The utility model provides a sampler, which has the following beneficial effects:

[0013] The upper extension rod and the upper extension rod or the sampling tube are connected by sliding connection between the lower connecting column and the upper connecting pipe rack. Compared with the threaded connection, the sliding connection is faster and eliminates the need for pipe clamps to assist in disassembly of the threaded connection. It can be disassembled manually without tools.

[0014] The middle ring frame assists in limiting the upper extension rod to ensure that the upper extension rod remains vertically downward. The upper rotating frame is connected to the upper extension rod to increase the length of the lever. There is no need to carry a special extension tube, thereby reducing the amount of equipment that needs to be carried. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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.

[0016] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached picture:

[0018] Figure 1 A schematic diagram showing the overall structure of the present application;

[0019] Figure 2A structural schematic diagram showing the connection state of the sampling tube and the upper extension rod of the present application;

[0020] Figure 3 A schematic structural diagram of a cross section of an upper connecting pipe rack of the present application is shown;

[0021] Figure 4 A schematic structural diagram of a vertical slider of the present application is shown;

[0022] Figure 5 A schematic diagram of the structure of the extraction bracket of the present application is shown;

[0023] Figure 6 A schematic diagram showing the structure of the split state of the present application;

[0024] Reference numerals list

[0025] 1. Sampling tube; 101. Lower fixing ring; 102. Upper connecting tube rack; 103. Inner slot; 104. Middle limiting ring; 105. Inner through slot; 106. Vertical slider; 107. Support spring; 108. Horizontal slider;

[0026] 2. Upper extension rod; 201. Lower connecting column; 202. External connecting protrusion;

[0027] 3. Pull out the bracket; 301. Lower fixing seat; 302. Middle ring frame; 303. Side clamping block; 304. Upper connecting belt; 305. Upper rotating frame. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1: Please refer to Figures 1 to 6 :

[0030] The utility model provides a sampler, comprising: a sampling tube 1, an upper extension rod 2 and a pull-out bracket 3, wherein the sampling tube 1 is composed of two semicircular tubes spliced ​​together, the outer thread of the lower end of the sampling tube 1 is screwed with a lower fixing ring 101, the outer thread of the upper end of the sampling tube 1 is screwed with an upper connecting tube bracket 102, both sides of the inner part of the upper connecting tube bracket 102 are provided with inner card grooves 103, the middle part of the upper connecting tube bracket 102 is circumferentially rotated with a middle limiting ring 104, both sides of the middle limiting ring 104 are provided with inner through grooves 105, and the upper connecting tube bracket 102 is provided with a middle limiting ring 104. The outer side of the pipe holder 102 is vertically slid with a vertical slider 106, and the sampling tube 1 is axially and vertically slid with a vertical slider 106 above and below the middle limit ring 104. A support spring 107 is fixed between the vertical slider 106 and the upper connecting pipe holder 102. The support spring 107 supports the vertical slider 106 and the sliding groove of the middle limit ring 104 to slide. The sampling tube 1 is horizontally slid with a horizontal slider 108 above and below the middle limit ring 104. When the vertical slider 106 and the sliding groove of the middle limit ring 104 slide, the horizontal slider 108 is The horizontal slider 108 and the tail end of the vertical slider 106 slide and fit together. When the horizontal slider 108 moves to the tail of the vertical slider 106, the vertical slider 106 cannot move vertically to prevent the vertical slider 106 from moving deep into the ground or moving on the ground due to the friction of the ground and separating from the middle limit ring 104. An upper extension rod 2 is provided at the upper end of the sampling tube 1. A lower connecting column 201 is welded and fixed at the bottom of the upper extension rod 2. External connecting protrusions 202 are protruded on both sides of the lower end of the lower connecting column 201. The middle limit ring The bottom plane of 104 rotates to above the external connecting protrusion 202, and the external connecting protrusion 202 and the upper extension rod 2 cannot move axially. A pull-out bracket 3 is arranged on the outer side of the upper extension rod 2, and the lower end of the pull-out bracket 3 is screwed with a lower fixed seat 301, and a middle ring frame 302 is slidably arranged in the middle of the pull-out bracket 3, and side clamps 303 are rotated on both sides of the middle ring frame 302, and an upper connecting belt 304 with a fiber woven structure is fixed to the tail end of the side clamp 303, and the upper end of the upper connecting belt 304 is fixed to the upper rotating frame 305.

[0031] In the embodiment of the present disclosure, the lower connecting column 201 and the upper connecting pipe rack 102 are axially slidingly connected, the external connecting protrusion 202 slides on the inner side of the inner groove 103, and another upper connecting pipe rack 102 is welded and fixed to the upper end of the upper extension rod 2. The upper extension rod 2 and the upper extension rod 2 or the sampling tube 1 are extended by the sliding connection between the lower connecting column 201 and the upper connecting pipe rack 102. Compared with the threaded connection, the sliding connection is faster to install and disassemble, and the situation that the threaded connection needs a pipe clamp to assist in disassembly is eliminated.

[0032] In the embodiment of the present disclosure, the middle part of the upper rotating frame 305 is rotatably connected to the top of the pull-out bracket 3, and the upper connecting pipe rack 102 of the upper extension rod 2 at the tail end of the upper rotating frame 305 is slidably connected. The upper rotating frame 305 is connected to the upper extension rod 2 to increase the length of the lever, and there is no need to carry a special extension tube, which reduces the number of equipment that needs to be carried. The middle ring frame 302 surrounds the outside of the upper extension rod 2, and the sampling tube 1 passes through the middle ring frame 302 and goes deep into the ground. The middle ring frame 302 assists in limiting the upper extension rod 2 and the sampling tube 1 to ensure that the upper extension rod 2 remains vertically downward.

[0033] Embodiment 2, on the basis of embodiment 1, the top of the upper extension rod 2 is screwed to the upper connecting pipe rack 102, which facilitates the disassembly of the upper extension rod 2 and the upper connecting pipe rack 102 when the upper connecting pipe rack 102 is damaged. The upper connecting pipe rack 102 can be screwed to the existing upper extension rod 2 to achieve compatible modification of the existing upper extension rod 2.

[0034] The working principle of this embodiment is as follows: the upper extension rod 2 is connected to the impact soil drilling rig, which is an existing SQT-15 gasoline engine or electric motor. The impact soil drilling rig drives the upper extension rod 2 and the sampling tube 1 to go deep into the ground for sampling. The upper extension rod 2 and the upper extension rod 2 or the sampling tube 1 are connected by sliding connection between the lower connecting column 201 and the upper connecting pipe rack 102. The outer connecting protrusion 202 slides to the bottom of the inner card groove 103 through the inner through groove 105. The outer connecting protrusion 202 is below the middle limit ring 104. The middle limit ring 104 rotates in a circular direction, and the inner through groove 105 is staggered with the inner card groove 103, the bottom plane of the middle limit ring 104 rotates to above the outer connection protrusion 202, the outer connection protrusion 202 cannot move axially, the support spring 107 supports the vertical slider 106 and the groove of the middle limit ring 104 to slide, the middle limit ring 104 cannot rotate circumferentially, the horizontal slider 108 moves to the tail of the vertical slider 106, the vertical slider 106 cannot move vertically, and the vertical slider 106 is prevented from moving vertically and separating from the middle limit ring 104 due to the friction of the ground when the vertical slider 106 penetrates into the ground or moves. Compared with the threaded connection mode, the sliding connection mode is faster to install and disassemble, and the threaded connection does not require the assistance of pipe clamps for disassembly, and can be manually disassembled without tools; the sampling tube 1 passes through the middle ring frame 302 and goes deep into the ground, and the middle ring frame 302 assists in limiting the upper extension rod 2 and the sampling tube 1 to ensure that the upper extension rod 2 remains vertically downward. When the sampling tube 1 needs to be moved up and pulled out, the upper extension rod 2 at the tail end of the upper rotating frame 305 moves downward, and the upper rotating frame 305 pulls the tail end of the side clamp 303 upward through the upper connecting belt 304, and the side clamp 303 surrounds the connection between the middle part and the middle ring frame 302 Rotate, the head end of the side clamp block 303 clamps the upper extension rod 2 in the middle and pulls the upper extension rod 2 to move upward, then the upper extension rod 2 of the upper rotating frame 305 moves upward, the head end of the upper rotating frame 305 moves downward, the side clamp block 303 releases the upper extension rod 2 to move downward, and the upper extension rod 2 is lifted upward repeatedly. The upper rotating frame 305 is connected to the upper extension rod 2 to increase the length of the lever, and there is no need to carry a special extension tube, which reduces the number of equipment that needs to be carried. After the sampling tube 1 is separated from the upper and lower lower fixing rings 101 and the upper connecting pipe rack 102, the sampling tube 1 is separated into two parts, and the soil sample in the middle of the sampling tube 1 is exposed.

[0035] In this article, there are a few points to note:

[0036] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0037] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0038] 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 sampler comprising: A sampling tube (1), an upper extension rod (2) and a pull-out bracket (3); characterized in that an upper extension rod (2) is provided at the upper end of the sampling tube (1), a pull-out bracket (3) is provided on the outer side of the upper extension rod (2), the sampling tube (1) is composed of two semicircular tubes, the outer side thread of the lower end of the sampling tube (1) is screwed to a lower fixing ring (101), the outer side thread of the upper end of the sampling tube (1) is screwed to an upper connecting tube rack (102), inner grooves (103) are provided on both sides of the interior of the upper connecting tube rack (102), a middle limit ring (104) is provided in the middle of the upper connecting tube rack (102) for circumferential rotation, inner through grooves (105) are provided on both sides of the middle limit ring (104), and a vertical slider (106) is provided on the outer side of the upper connecting tube rack (102) for vertical sliding.

2. A sampler according to claim 1, characterized in that: The sampling tube (1) is provided with vertical sliders (106) sliding above and below the middle limiting ring (104); a support spring (107) is fixed between the vertical slider (106) and the upper connecting tube frame (102); the support spring (107) supports the vertical slider (106) and the middle limiting ring (104) to slide in the slide groove.

3. A sampler according to claim 2, characterized in that: The sampling tube (1) has horizontal sliders (108) sliding horizontally above and below the middle limiting ring (104); when the vertical slider (106) and the sliding groove of the middle limiting ring (104) are slidably inserted, the tail ends of the horizontal slider (108) and the vertical slider (106) slide and fit together.

4. A sampler according to claim 1, characterized in that: A lower connecting column (201) is fixed to the bottom of the upper extension rod (2), and external connecting protrusions (202) are protruded from both sides of the lower end of the lower connecting column (201).

5. A sampler according to claim 4, characterized in that: The lower connecting column (201) and the upper connecting pipe frame (102) are axially slidably connected, the outer connecting protrusion (202) slides inside the inner slot (103), and the upper end of the upper extension rod (2) is fixed with the upper connecting pipe frame (102).

6. A sampler according to claim 1, characterized in that: The lower end of the pull-out bracket (3) is screwed with a lower fixing seat (301), a middle ring frame (302) is slidably provided in the middle of the pull-out bracket (3), side clamping blocks (303) are rotatably provided on both sides of the middle ring frame (302), an upper connecting belt (304) is fixed to the tail end of the side clamping block (303), and the upper end of the upper connecting belt (304) is fixed to the upper rotating frame (305).

7. A sampler according to claim 6, characterized in that: The middle part of the upper rotating frame (305) is rotatably connected to the top of the pull-out bracket (3), the upper connecting pipe frame (102) of the upper extension rod (2) at the tail end of the upper rotating frame (305) is slidably connected, and the middle ring frame (302) surrounds the outer side of the upper extension rod (2).

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