CN209992216U - A device for collecting soil samples for tunnel construction geological exploration - Google Patents

Abstract

The utility model relates to a tunnel construction geological exploration soil sample collection system, including horizontal support, frame type support, the both sides of horizontal support are equipped with first set nut and the second set nut of mutual symmetry, have first set screw and second set screw through threaded connection respectively, and the middle part of horizontal support is fixed and is equipped with the collection nut, threaded connection probing collection screw rod on the collection nut; two sides of the inner wall of the frame-shaped support are provided with guide rails which are symmetrical to each other, the upper end of the frame-shaped support is provided with a mounting plate, two sides of the mounting plate are provided with slide blocks for connection, the lower surface of the mounting plate is fixedly provided with a drilling motor, and the drilling motor is fixedly connected with the upper end of a drilling acquisition screw rod; when taking a sample, fix a position whole device in the tunnel through set screw, make things convenient for the device to drill in the tunnel, carry out the probing of depth through the probing and carry out the extraction of soil sample to the tunnel, guarantee to the more accuracy of the soil sample in tunnel, guaranteed the construction safety in later stage.

Description

A device for collecting soil samples for tunnel construction geological exploration

technical field

The utility model relates to the technical field of geological exploration, in particular to a soil sample collection device for tunnel construction geological exploration.

Background technique

Soil sampler refers to a tool used to obtain soil samples. Commonly used are soil drills, shovels and shovels. Earth drills are composed of drill bits and handles made of hard materials. The top of the drill bit is a pair of sharp knife edges that can be rotated to cut into the soil, followed by an enlarged soil-holding cavity at the knife edge. With the rotation of the handle, it drills down into the soil surface, and the soil sample to be collected can be introduced into the cavity; The diameter of the soil drill is slightly different at both ends, and the end connected with the handle is slightly larger than the end in contact with the soil, so as to ensure that the soil that has entered the cylinder when the soil drill is extracted will not be scattered due to the movement of the soil drill.

The current soil sampler has the following defects. Due to the closed ring knife and limited manpower, the sampling depth is blurred, and the soil sample layering and shape cannot be well maintained, which in turn affects the sampling effect and the later soil quality judgment. Serious It will delay the progress of the project. The existing method of directly driving the hollow tube into the ground for soil sampling requires a large pressure, which is very inconvenient to use, time-consuming and laborious, and affects the progress of the work. However, some existing large-scale soil sampling The equipment cannot be adjusted according to the characteristics of the terrain, which is inconvenient to use.

Utility model content

In order to overcome the shortcomings of the above-mentioned prior art, the purpose of this utility model is to provide a kind of easy-to-use, capable of deep sampling of soil samples in the process of tunnel construction, to ensure more accurate subsequent analysis, and to ensure construction safety in tunnel construction geological exploration Soil sampling device.

In order to achieve the above purpose, the present utility model adopts the following technical solutions: a soil sample collection device for tunnel construction geological exploration, comprising a transverse support, a frame-shaped support arranged on the transverse support and fixedly connected with the transverse support, the transverse support The two sides are provided with a first positioning nut and a second positioning nut that are symmetrical to each other, and the first positioning nut and the second positioning nut are respectively connected with a first positioning screw and a second positioning screw through threads, and the first positioning nut and the second positioning nut are respectively connected with each other. The positioning screw and the second positioning screw are in opposite directions to the frame-shaped bracket, a collection nut is fixed in the middle of the horizontal bracket, and the collection nut is threadedly connected with the drilling and collection screw rod; the inner wall of the frame-shaped bracket is provided with mutual Symmetrical guide rail, the upper end of the frame-shaped bracket is provided with a mounting plate, the two sides of the mounting plate are respectively connected with the mutually symmetrical guide rails through the sliders movably connected to the guide rails, and the lower surface of the mounting plate is fixedly provided with The drilling motor is fixedly connected with the upper end of the drilling and collecting screw, the drilling motor drives the drilling and collecting screw to rotate, and the drilling and collecting screw drills the tunnel construction geology and collects soil samples during the drilling process.

A telescopic electric cylinder is fixed on the top of the frame-shaped bracket, and the telescopic end of the telescopic electric cylinder extends downward and is fixedly connected with the upper end surface of the mounting plate.

The drilling and collecting screw comprises a screw that is threadedly connected to the collecting nut, a drill bit is fixedly connected to the lower part of the screw, a soil sample collection cavity is arranged inside the screw, and the soil sample collection cavity and the screw wall are provided with a screw. The soil sample collection holes are connected.

The top of the screw is provided with a connecting block for connecting the screw with the drilling motor, and the lower end of the connecting block is provided with a plug for inserting into the soil sample collection cavity, the plug is inserted into the soil sample collection cavity, and passes through the horizontal The connecting block and the screw are fixedly connected by the transverse bolts passing through the screw and the plug in turn.

Grooves are provided at the outer ends of the transverse bolts connected to the side surfaces of the screw rods.

The connecting block and the plug are integral structures.

The beneficial effect of the utility model is: when sampling, the whole device is positioned in the tunnel by the positioning screw, which facilitates the device to drill in the tunnel, and the deep-level drilling of the tunnel is carried out to extract soil samples through drilling, so as to ensure that the tunnel is fully drilled. The soil sample sampling is more accurate, which ensures the safety of construction in the later stage. At the same time, during the sampling process, drilling sampling is carried out through the drilling head, which can ensure convenient sampling and make sampling more convenient and convenient.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

FIG. 2 is a schematic structural diagram of a drilling and collecting screw in the present invention.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and embodiments.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal" , "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, rather than indicating Or imply that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

The terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first" and "second" may expressly or implicitly include one or more of the features; in the description of the present invention, unless otherwise specified, the meaning of "multiple" are two or more.

Example

As shown in FIG. 1, a soil sample collection device for tunnel construction geological exploration includes a transverse support 1, a frame-shaped support 2 arranged on the transverse support 1 and fixedly connected with the transverse support 1, and the transverse support 1 is connected to the frame-shaped support 2. The bracket 2 forms the basis of the entire collection device. The frame-shaped bracket 2 is welded on the transverse bracket 1 , and both ends of the transverse bracket 1 extend to both sides of the frame-shaped bracket 2 .

The two sides of the lateral support 1 are provided with a first positioning nut 3 and a second positioning nut 4 that are symmetrical to each other, and the first positioning nut 3 and the second positioning nut 4 are respectively connected with a first positioning screw 5 by thread. and the second positioning screw 6, and the first positioning screw 5 and the second positioning screw 6 are opposite to the frame-type bracket 2; the first positioning nut 3 and the second positioning nut 4 are provided on both sides of the frame-shaped bracket 2 On the transverse support 1 of the traverse, the first positioning screw and the second positioning screw respectively pass through the first positioning nut and the second positioning nut when in use, and the first positioning screw and the second positioning screw are imprisoned in the tunnel construction In geology, the foundation composed of transverse support 1 and frame support 2 is fixed to the tunnel;

A collection nut 8 is fixed in the middle of the horizontal support 1, and the collection nut 8 is threadedly connected with a drilling and collection screw 7; two sides of the inner wall of the frame-shaped support 2 are provided with mutually symmetrical guide rails 12, and the frame-shaped support The upper end of the 2 is provided with a mounting plate 9, the two sides of the mounting plate 9 are respectively connected with the mutually symmetrical guide rails 12 through the slider 11 movably connected to the guide rail 12, and the lower surface of the mounting plate 9 is fixedly provided with a drilling motor. 10. The drilling motor 10 is fixedly connected to the upper end of the drilling and collecting screw 7. The drilling motor 10 drives the drilling and collecting screw 7 to rotate. The drilling and collecting screw 7 drills the tunnel construction geology and collects soil during the drilling process. Sample. The drilling motor drives the drilling and acquisition screw 7 to rotate. During the rotation of the drilling and acquisition screw 7, the geology of the tunnel is drilled. At the same time, during the drilling process, the drilling and acquisition screw 7 will be in the drilling process. Then the drilling motor 10 is reversed, the drilling and collecting screw 7 is protruded from the borehole, and the soil sample collected in the drilling and collecting screw 7 is taken out for later processing. The drilling motor 10 is fixed on the mounting plate 9 , and the mounting plate 9 moves up and down along the guide rail 12 , thereby ensuring that the drilling motor 10 follows the drilling and collecting screw 7 to descend when the drilling and collecting screw 7 is drilling.

Further, in order to ensure that during the drilling process, the drilling and collecting screw 7 can stably drill into the geological layer of the tunnel, a telescopic electric cylinder 13 is fixed on the top of the frame-shaped bracket 2, and the telescopic electric cylinder is The telescopic end of 13 extends downward and is fixedly connected with the upper end surface of the mounting plate 9 . Specifically, when the drilling motor drives the drilling and collecting screw 7 for drilling, the telescopic electric cylinder 13 drives the mounting plate 9 downward, and the force to press down the mounting plate 9 ensures that the drilling motor 10 drives the drilling and collecting screw. 7 When rotating, it can ensure the stable drilling of the drilling and collecting screw, and ensure the stability of the soil sample collected by the whole device.

Further, in order to ensure that the provided drilling and collecting screw can play the role of drilling and collecting, as shown in FIG. 2 , the drilling and collecting screw 7 includes a screw 701 that is threadedly connected to the collecting nut 8. For the drill bit 702 , a soil sample collection cavity 703 is provided inside the screw 701 , and the soil sample collection cavity 703 communicates with the soil sample collection hole 704 provided on the wall of the screw 701 . The drill bit 702 is used for drilling the tunnel geological layer. One end of the screw rod 701 is connected to the drilling motor, and the other end is fixedly connected to the drill bit. When going down, it can go down stably. At the same time, when the soil sample collection hole 704 on the screw 701 is being drilled, the drilled soil sample enters the soil sample collection cavity through the soil sample collection hole 704 for collection. After that, the screw is withdrawn, and the soil sample in the soil sample collection chamber is taken out for processing.

Further, in order to ensure that the screw rod can be easily connected with the drilling motor, a connecting block 705 for connecting the screw rod 701 to the drilling motor 10 is provided on the top of the screw rod 701, and the lower end of the connecting block 705 The plug 706 in the soil sample collection chamber 703 is inserted into the soil sample collection chamber 703, and the connecting block 705 and the screw rod 701 are fixedly connected by transverse bolts 708 which pass through the screw rod 701 and the plug 706 in sequence. When connecting, the plug 706 under the connecting block 705 is inserted into the through hole above the screw rod 701, and then the connecting block and the screw rod are fixedly connected by transverse bolts.

In order to ensure that both ends of the transverse bolts 708 are not exposed at both ends of the connecting block and that the downward movement of the screw rods is not affected, grooves 707 are provided at the outer ends of the transverse bolts 708 connected to the side surfaces of the screw rods 701 . The connecting block 705 and the plug 706 are integral structures.

The above embodiments are merely illustrative of the present invention, and do not constitute a limitation on the protection scope of the present invention. All designs identical or similar to those of the present invention belong to the protection scope of the present invention.

Claims (6)

1. The tunnel construction geological exploration soil sample collecting device is characterized by comprising a transverse support (1) and a frame-shaped support (2) which is arranged on the transverse support (1) and fixedly connected with the transverse support (1), wherein a first positioning nut (3) and a second positioning nut (4) which are symmetrical to each other are arranged on two sides of the transverse support (1), the first positioning nut (3) and the second positioning nut (4) are respectively connected with a first positioning screw (5) and a second positioning screw (6) through threads, the directions of the first positioning screw (5) and the second positioning screw (6) and the frame-shaped support (2) are opposite, a collecting nut (8) is fixedly arranged in the middle of the transverse support (1), and a drilling collecting screw (7) is in threaded connection with the collecting nut (8); the inner wall both sides of frame type support (2) are equipped with guide rail (12) of mutual symmetry, the upper end of frame type support (2) is equipped with mounting panel (9), and the both sides of this mounting panel (9) are connected through slider (11) of swing joint on guide rail (12) with guide rail (12) of mutual symmetry respectively, the lower fixed surface of mounting panel (9) be equipped with probing motor (10), the upper end fixed connection of probing motor (10) and probing collection screw rod (7), probing motor (10) drive probing collection screw rod (7) and rotate, probing collection screw rod (7) are drilld tunnel construction geology to gather the soil sample of probing in-process.

2. The device for collecting the soil sample for geological exploration in tunnel construction according to claim 1, wherein a telescopic electric cylinder (13) is fixedly arranged at the top of the frame-shaped support (2), and a telescopic end of the telescopic electric cylinder (13) extends downwards and is fixedly connected with the upper end face of the mounting plate (9).

3. The soil sample collection device for geological exploration in tunnel construction according to claim 1, wherein the drilling collection screw (7) comprises a screw (701) which is in threaded connection with a collection nut (8), a drill bit (702) is fixedly connected to the lower portion of the screw (701), a soil sample collection cavity (703) is formed inside the screw (701), and the soil sample collection cavity (703) is communicated with a soil sample collection hole (704) formed in the wall of the screw (701).

4. The soil sample collecting device for tunnel construction geological exploration according to claim 2, characterized in that a connecting block (705) for connecting the screw (701) with the drilling motor (10) is arranged at the top of the screw (701), a plug (706) for being inserted into the soil sample collecting cavity (703) is arranged at the lower end of the connecting block (705), the plug (706) is plugged into the soil sample collecting cavity (703), and the connecting block (705) and the screw (701) are fixedly connected through a transverse bolt (708) which transversely penetrates through the screw (701) and the plug (706) in sequence.

5. The device for collecting the soil sample for geological exploration in tunnel construction according to claim 4, wherein the outer end of the transverse bolt (708) connected with the side surface of the screw (701) is provided with a groove (707).

6. The device for collecting soil samples for geological exploration in tunnel construction according to claim 4, wherein said connecting block (705) and plug (706) are of a unitary structure.

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