Soil sampling equipment for geological exploration

Abstract

The utility model relates to the technical field of soil sampling equipment, and discloses soil sampling equipment for geological exploration, which comprises a percussion soil sampling drilling machine body, a sampling barrel is arranged at the bottom of the percussion soil sampling drilling machine body, and a guide sleeve with an opening on one side is movably arranged outside the sampling barrel; accommodating cavities are formed in the two side walls of the guide sleeve, guide wheels are movably arranged in the accommodating cavities, and during working, the guide wheels move out of the accommodating cavities to be in contact with the outer wall of the sampling barrel; a supporting rod is adjustably arranged on one side of the guide sleeve, and a supporting seat is adjustably arranged at the bottom of the supporting rod. According to the utility model, the guide can be provided for the sampling barrel, the probability of deflection in the sampling process is reduced, the pulling-out of the sampling barrel can be assisted, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil sample collection equipment technical field especially, relates to a soil sampling equipment for geological exploration. BACKGROUND

[0002] In the foundation design, tunnel and underground space development and road and bridge construction, in order to obtain underground geological data, further identify underground engineering geological problems, need to take soil sample to carry out in-situ test and monitoring, to more accurately understand the physical and mechanical properties of underground soil, provide reliable geological basis for engineering design.

[0003] In the prior art, with the continuous improvement of science and technology, the portable percussion type soil sampling drill gradually replaces the original Luoyang shovel, greatly improves the sampling efficiency and reduces the labor intensity, but there are still the following problems in use: first, there is no positioning guide structure, the sampling cylinder is easily inclined in the soil while being pushed in, which affects the sampling effect, second, the sampling cylinder is not convenient to pull out when being pushed in more than a certain depth, which affects the sampling efficiency. Therefore, a soil sampling equipment for geological exploration is needed, which can guide the sampling cylinder and assist the pulling out of the sampling cylinder. SUMMARY

[0004] The utility model aims at providing a soil sampling equipment for geological exploration, which can provide guidance for the sampling cylinder, reduce the probability of deviation during sampling, assist the pulling out of the sampling cylinder and improve work efficiency.

[0005] The utility model adopts the following technical scheme:

[0006] A soil sampling equipment for geological exploration includes an impact soil sampling drill body, the impact soil sampling drill body bottom is provided with a sampling cylinder, the sampling cylinder outside is movably provided with a guide sleeve with one side open, both side walls of the guide sleeve are provided with a containing cavity, the containing cavity is movably provided with a guide wheel, the guide wheel is moved out from the containing cavity and contacts the sampling cylinder outer wall during work, the guide sleeve one side is movably provided with a support rod, the support rod bottom is movably provided with a support base.

[0007] Preferably, the support rod, the guide sleeve and the support base are all hinged through hinge rods, and each hinge rod two ends are threadedly provided with locking nuts.

[0008] Preferably, a positioning hole is arranged on the side wall of each of the accommodating cavities, and a positioning rod is elastically arranged in the positioning hole, and a cross-shaped positioning head is arranged at the end of the positioning rod; the guide wheel is rotatably arranged in the supporting frame, and the supporting frame is rotatably arranged in the accommodating cavity through a rotating shaft, and the rotating shaft near the side of the accommodating cavity extends into the positioning hole, and a cross-shaped positioning groove is arranged at the end of the rotating shaft.

[0009] Preferably, the distance between the side walls on both sides of the guide sleeve is adjustable.

[0010] Preferably, a sliding groove is arranged on the guide sleeve, one of the side walls of the guide sleeve is slidingly arranged in the sliding groove, and the end of the side wall on the outer side is rotatably connected with an adjusting screw rod arranged on the guide sleeve.

[0011] Preferably, the supporting seat comprises a supporting bottom plate at the bottom, and a fixing screw is arranged on the supporting bottom plate; a supporting part is vertically arranged on the supporting bottom plate, and the supporting rod is hingedly connected with the supporting part.

[0012] Preferably, the length of the supporting part is adjustable.

[0013] Preferably, the length of the supporting rod is adjustable.

[0014] Preferably, a pedal is arranged at the end of the supporting rod away from the sampling cylinder, and a restraint belt is arranged on the pedal.

[0015] Preferably, a bubble level is arranged on the guide sleeve.

[0016] Compared with the prior art, the utility model has the advantages that the guide sleeve can guide the jacking of the sampling cylinder into the soil layer, reduce the probability of deflection of the sampling cylinder, and ensure the sampling effect; the guide wheel can limit the sampling cylinder and reduce the friction between the guide wheel and the sampling cylinder, thereby enhancing the practicability.

[0017] In addition, the guide wheel can be accommodated in the accommodating cavity, and when the sampling cylinder needs to be taken out after jacking in the soil layer, the guide wheel is accommodated in the accommodating cavity, and the guide sleeve is inclined and arranged outside the sampling cylinder. Since the guide sleeve and the supporting rod, and the supporting rod and the supporting seat are adjustably arranged, the sampling cylinder can be lifted by applying pressure to the end of the supporting rod away from the sampling cylinder, and the convenience of pulling out the sampling cylinder from the soil layer is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a front view of the embodiment of the application;

[0019] Fig. 2 It is a structural schematic view of the guide sleeve of the embodiment of the application;

[0020] Fig. 3 Figure 4 is a partial cross-sectional view of the side wall of the guide sleeve of the embodiment of the present application. DETAILED DESCRIPTION

[0021] The utility model will be clearly and completely described below in combination with the drawings and embodiments:

[0022] As Figs. 1 to 3 shown, the utility model discloses a geological exploration soil sampling equipment, including impact soil sampling drill body 1, the impact soil sampling drill body 1 bottom is provided with sampling cylinder 2, the sampling cylinder 2 outside is movably provided with guide sleeve 3, is provided with bubble 4 on guide sleeve 3 to observe whether the position state of its setting meets the standard, to better play the guiding effect, guide sleeve 3 is the structure that one side is open in horizontal direction, is set up in vertical direction and is penetrated, to be set in the outside of sampling cylinder 2 from one side, and specific structure can refer to Fig. 2 As shown in the drawing, the both sides wall of guide sleeve 3 is provided with containing cavity 5, and containing cavity 5 is movably provided with guide wheel 6, in the initial state, guide wheel 6 is received in containing cavity 5, to ensure that it does not protrude into guide sleeve 3, when working, guide wheel 6 is removed from containing cavity 5 and contacts the outer wall of sampling cylinder 2, to limit sampling cylinder 2 and reduce the friction between sampling cylinder 2; guide sleeve 3 one side is adjustably provided with support rod 7, and support rod 7 bottom is adjustably provided with support seat 8. Specifically, support rod 7, guide sleeve 3 and support seat 8 are all hinged through hinge rods, and the both ends of each hinge rod are threadedly provided with locking nuts, to realize the stable connection between guide sleeve 3, support rod 7 and support seat 8 by tightening the locking nuts during sampling; when sampling cylinder 2 needs to be removed after being pushed into the soil layer, control guide wheel 6 to be received in containing cavity 5, loosen the locking nuts, to form the hinged movable structure between support rod 7 and guide sleeve 3 and between support rod 7 and support seat 8, adjust the hinge point of guide sleeve 3 and support rod 7 to move downward at this time, to make it be clamped on the outer wall of sampling cylinder 2 in an inclined state, then apply pressure to the end of support rod 7 away from sampling cylinder 2, to pull sampling cylinder 2 upward by using the principle of lever, to make sampling cylinder 2 displace upward.

[0023] Further, as Fig. 3As shown, each accommodating cavity 5 is provided with a positioning hole 9 extending to the accommodating cavity 5 on the side wall of the outer side, and a positioning rod 10 is elastically arranged in the positioning hole 9 through a spring, and the end of the positioning rod 10 is provided with a cross-shaped positioning head 11; the guide wheel 6 is rotationally arranged in the supporting frame 12, and the supporting frame 12 is rotationally arranged in the accommodating cavity 5 through a rotating shaft, wherein the rotating shaft 17 close to the side of the accommodating cavity 5 extends into the positioning hole 9, and the end of the rotating shaft 17 is provided with a cross-shaped positioning groove; when the guide wheel 6 needs to be accommodated into or moved out of the accommodating cavity 5, the positioning rod 10 is pulled to move the positioning head 11 out of the positioning groove at one end of the rotating shaft 17, and the supporting frame 12 is adjusted by rotating.

[0024] As shown in the drawings, Fig. 2 The distance between the side walls of the guide sleeve 3 in the embodiment can be adjusted, which can meet the limiting use of sampling cylinders 2 with different diameters; because when the sampling cylinder 2 is fully inserted into the soil layer during sampling, an extension rod is usually arranged on the top of the sampling cylinder 2 when the sampling cylinder 2 has not reached the corresponding soil sampling position, so the distance between the side walls of the guide sleeve 3 can also meet the guiding use of the extension rod, which expands the application range of the utility model and enhances the practicability of the utility model. Specifically, the guide sleeve 3 is provided with a sliding groove 13 along the length direction of the guide sleeve 3, one of the side walls of the guide sleeve 3 is slidingly arranged in the sliding groove 13 through a sliding block arranged on the side wall, and the end of the side wall located on the outer side is rotationally connected with an adjusting screw rod 14 arranged on the guide sleeve 3. When the distance between the two side walls needs to be adjusted, the side wall connected with the adjusting screw rod 14 is moved along the direction in which the sliding groove 13 is opened by rotating the adjusting screw rod 14, which is simple in structure and convenient and fast to operate.

[0025] Further, the supporting seat 8 includes a supporting bottom plate 8-1 at the bottom, and the supporting bottom plate 8-1 is provided with a fixing screw; a supporting part is vertically arranged on the supporting bottom plate 8-1, and the supporting rod 7 is hingedly connected with the supporting part. The length of the supporting part is adjustable to meet different height requirements and provide convenience for the guiding of the sampling cylinder 2 and the pulling of the sampling cylinder 2. Specifically, the supporting part includes a sleeve 8-2 arranged on the supporting bottom plate 8-1, and a supporting rod 8-3 is sleeved in the sleeve 8-2, and the top of the supporting rod 8-3 is provided with a hinge seat hingedly connected with the supporting rod 7; a locking bolt is threadedly arranged on the upper part of the sleeve 8-2 to fix the adjusted supporting rod 8-3.

[0026] Moreover, in the embodiment, the length of the supporting rod 7 is adjustable, so that the torque is increased and the operation difficulty is reduced when the sampling cylinder 2 is pulled out. Specifically, the supporting rod 7 is hollow, and an opening is arranged at the end away from the guide sleeve 3, and an extension rod 14 is slidably arranged in the opening. The guide sleeve 3 is provided with a locking bolt on the side wall close to the extension rod 14, so as to position the adjusted extension rod 14. In the embodiment, the end of the supporting rod 7 away from the sampling cylinder 2 is provided with a pedal 15, and the pedal 15 is arranged on the extension rod 14. A binding belt 16 is arranged on the pedal 15, and the binding belt 16 is made of elastic material. When the sampling cylinder 2 needs to be pulled out from the soil layer, the foot of the operator passes through the binding belt 16 and steps on the pedal 15, so as to drive the pedal 15 and the supporting rod 7 to move up and down along the hinge point, and the sampling cylinder 2 is gradually pulled out.

[0027] In use, first, the supporting seat 8 is installed near the sampling point, and the position of the guide sleeve 3 is adjusted, so that the guide sleeve 3 is fixedly connected with the supporting rod 7 and the supporting rod 7 is fixedly connected with the supporting seat 8. Then, the guide wheel 6 is taken out from the accommodating cavity 5 and is in contact with the outer wall of the sampling cylinder 2, the impact soil drill body 1 is started to push the sampling cylinder 2 into the soil layer. When the sampling cylinder 2 needs to be taken out, the impact soil drill body 1 is removed, then the guide wheel 6 is accommodated in the accommodating cavity 5, the height of the supporting seat 8 and the length of the supporting rod 7 are adjusted, the locking nut arranged on the hinge rod is loosened, the supporting rod 7, the guide sleeve 3 and the supporting seat 8 are restored to the hinge state, the guide sleeve 3 is adjusted to the inclined state, the clamping groove formed by the side walls of the guide sleeve 3 is clamped on the outside of the sampling cylinder 2, and finally the pedal 15 at the end of the supporting rod 7 is pressed to move up and down, so that the sampling cylinder 2 is pulled out from the soil layer by the lever principle, and the sampling cylinder 2 is extracted.

Claims

1. A geological exploration soil taking equipment, comprising a percussion soil taking drill machine body, a sampling cylinder is arranged at the bottom of the percussion soil taking drill machine body, characterized in that: The sampling cylinder is externally movably provided with a guide sleeve with one side open; both side walls of the guide sleeve are provided with accommodating cavities, and guide wheels are movably arranged in the accommodating cavities; during operation, the guide wheels are moved out of the accommodating cavities and contact the outer wall of the sampling cylinder; and one side of the guide sleeve is adjustably provided with a supporting rod, and the bottom of the supporting rod is adjustably provided with a supporting base.

2. The soil sampling apparatus for geological exploration according to claim 1, characterized in that: The supporting rod, the guide sleeve and the supporting base are all connected through hinged rods, and the two ends of each hinged rod are threadedly provided with locking nuts.

3. The soil sampling apparatus for geological exploration according to claim 1, characterized in that: Each accommodating cavity is provided with a positioning hole on the side wall on the outer side, and a positioning rod is elastically arranged in the positioning hole; the end of the positioning rod is provided with a cross-shaped positioning head; the guide wheel is rotatably arranged in a supporting frame, and the supporting frame is rotatably arranged in the accommodating cavity through a rotating shaft; the rotating shaft close to the side of the accommodating cavity extends into the positioning hole, and the end of the rotating shaft is provided with a cross-shaped positioning groove.

4. The soil sampling apparatus for geological exploration according to claim 1, characterized in that: The distance between the side walls on both sides of the guide sleeve is adjustable.

5. A geological exploration soil sampling apparatus according to claim 4, characterised in that: The guide sleeve is provided with a sliding groove, and one side wall of the guide sleeve is slidingly arranged in the sliding groove; and one end of the side wall on the outer side is rotatably connected with an adjusting screw rod arranged on the guide sleeve.

6. The soil sampling apparatus for geological exploration of claim 1, wherein: The supporting base comprises a supporting bottom plate at the bottom, and the supporting bottom plate is provided with a fixing screw; a supporting part is vertically arranged on the supporting bottom plate, and the supporting rod is hinged with the supporting part.

7. A geological exploration soil sampling apparatus according to claim 6, characterised in that: The length of the supporting part is adjustable.

8. The geologic exploration soil sampling apparatus of claim 1, wherein: The length of the supporting rod is adjustable.

9. A geological exploration soil sampling apparatus according to claim 8, characterised in that: One end of the supporting rod away from the sampling cylinder is provided with a pedal, and the pedal is provided with a restraint belt.

10. The geological exploration soil sampling apparatus of claim 1, wherein: The guide sleeve is provided with a level bubble.

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