Geotechnical engineering direct shear stabilizing device

Abstract

The utility model discloses a geotechnical engineering direct shear stabilizing device which comprises a supporting plate, a threaded cylinder is arranged on the upper surface of the supporting plate, the inner wall of the threaded cylinder is in threaded connection with a threaded filling pipe, a plurality of first discharging holes are formed in the outer wall of the threaded filling pipe in the vertical direction, an inner pipe is arranged on the inner wall of the threaded filling pipe in an attached mode, and a plurality of second discharging holes are formed in the outer wall of the threaded filling pipe. A second discharging hole corresponding to the first discharging hole in position is formed in the outer wall of the inner pipe. The threaded pouring pipe is rotated through the grip, a drill bit of the threaded pouring pipe drills into the rock-soil layer by a proper depth, polyurethane grout is injected into the inner pipe through the hopper, grouting reinforcement treatment is conducted on a shallow region of the rock-soil layer, the structure is simple, cost is low, and maintenance is easy; and through arrangement of a limiting ring, a sliding block, a sliding groove, a sliding hole, a limiting groove block, a rotating connecting piece and a limiting piece, it is avoided that when the device is drilled into rock soil, rock soil disintegrating slag blocks a discharging hole, and normal use of the device is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of geotechnical engineering, especially to a geotechnical engineering direct shear stability device. BACKGROUND

[0002] The internal part of the rock-soil mass often has many natural gaps, which causes the soil to be loose, and the rock-soil mass that forms a slope slides as a whole along the shear failure surface under the action of gravity. Landslides often bring disastrous consequences to roads, mountain towns, and villages. One of the effective means to prevent rock-soil mass landslides is to reinforce the rock-soil mass by grouting.

[0003] However, the existing rock-soil mass grouting device has a relatively traditional design, and it relies heavily on the motor for grouting of shallow rock-soil layers. It cannot be operated manually, and it has many faults, is inconvenient to maintain, and has a high cost. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a geotechnical engineering direct shear stability device. The device is provided with a support plate, a threaded cylinder, a threaded grouting pipe, a hopper, a fixed block, a handle, and an inner tube. The handle is used to rotate the threaded grouting pipe, so that the drill bit can drill into the rock-soil layer to a suitable depth. The polyurethane slurry is injected into the inner tube through the hopper, and the rock-soil layer in the shallow area is grouted and reinforced. The device has a simple structure, low cost, and is easy to maintain. The device is provided with a limiting ring, a sliding block, a sliding groove, a sliding hole, a limiting groove block, a rotating connecting piece, and a limiting piece. The outer wall of the inner tube blocks and closes the discharge hole. After drilling into the rock-soil, the rotation of the inner tube is released, and the material hole one and the discharge hole two are correspondingly connected. This avoids the rock-soil debris blocking the discharge hole when the device is drilled into the rock-soil, which affects the normal use of the device.

[0005] One of the purposes of the utility model discloses a geotechnical engineering direct shear stability device, including: support plate, the upper surface of support plate is equipped with threaded cylinder, the inner wall of threaded cylinder is connected with threaded injection pipe with screw thread, the outer wall of threaded injection pipe is opened with a plurality of discharge holes no. 1 along the vertical, the inner wall of threaded injection pipe is placed with the inner tube, the outer wall of inner tube is opened with the discharge hole no. 2 corresponding to the position of discharge hole no. 1, the outer wall of threaded injection pipe is fixedly connected with fixed block, the lateral wall of fixed block is symmetrically fixedly connected with two handles, the top of threaded injection pipe is fixedly connected with limit ring, the inner wall of limit ring is opened with sliding slot, the lateral wall top of inner tube is fixedly connected with sliding block, the outer wall of sliding block is slidably connected with the inner wall of sliding slot, the inner wall of sliding slot is opened with sliding hole, the lateral wall of sliding block is fixedly connected with rotary connecting piece, the inner wall of rotary connecting piece is rotatably connected with limit piece, the front side and left side of limit ring are equipped with limit slot block for limiting limit piece. Through the setting support plate, threaded cylinder, threaded injection pipe, hopper, fixed block, handle, inner tube, set handle rotary threaded injection pipe, make its drill bit drill into the suitable depth inside the rock-soil layer, through the hopper, polyurethane slurry is injected into the inner tube, and the rock-soil layer in the shallow area is grouted and reinforced, which is simple in structure, low in cost and easy to maintain. Through the setting limit ring, sliding block, sliding slot, sliding hole, limit slot block, rotary connecting piece, limit piece, the outer wall of inner tube blocks and closes the discharge hole, after drilling into the rock-soil, the rotation restriction of the inner tube is removed, so that the discharge hole no. 1 and the discharge hole no. 2 correspond and penetrate, which avoids that the rock-soil debris blocks the discharge hole when the device drills into the rock-soil, and affects the normal use of the device.

[0006] According to the geotechnical engineering direct shear stability device, the lateral wall of the rotary connecting piece is slidably connected with the inner wall of the sliding hole.

[0007] According to the geotechnical engineering direct shear stability device, the bottom end of the threaded injection pipe is provided with a drill bit.

[0008] The geotechnical engineering direct shear stability device is provided, and the top end of the inner tube is connected with a hopper in penetration.

[0009] According to the geotechnical engineering direct shear stability device, the two limit slot blocks are located below the sliding hole, and the position of the front limit slot block vertically corresponds to the position of the discharge hole no. 1.

[0010] According to the geotechnical engineering direct shear stability device, the sliding hole is set as the trajectory of the circumferential rotation of the rotary connecting piece.

[0011] According to the geotechnical engineering direct shear stability device, the outer wall of the handle is sleeved with a sponge protective sleeve.

[0012] The additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood by those skilled in the art from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0013] The present application will be further described below in conjunction with the drawings and examples.

[0014] Figure 1 It is a perspective view of the rock-soil engineering direct shear stability device of the present application.

[0015] Figure 2 It is a perspective view of the inner tube of the rock-soil engineering direct shear stability device of the present application.

[0016] Figure 3 It is a perspective view of the sliding block of the rock-soil engineering direct shear stability device of the present application.

[0017] Figure 4 It is a perspective view of the limiting ring of the rock-soil engineering direct shear stability device of the present application.

[0018] Figure 5 It is an enlarged view of A of the rock-soil engineering direct shear stability device of the present application.

[0019] LEGEND:

[0020] 1, support plate; 2, threaded pouring pipe; 3, fixed block; 4, handle; 5, limiting ring; 6, hopper; 7, inner tube; 8, sliding block; 101, threaded cylinder; 201, discharge hole one; 501, sliding chute; 502, sliding hole; 503, limiting groove block; 701, discharge hole two; 801, rotating connecting piece; 802, limiting piece. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.

[0022] REFERENCE Figures 1-5The utility model discloses a kind of geotechnical engineering direct shear stability devices, it includes: support plate 1, support plate 1 upper surface is equipped with threaded cylinder 101, the inner wall of threaded cylinder 101 is threadedly connected with threaded injection pipe 2, the bottom of threaded injection pipe 2 is equipped with drill bit, the outer wall of threaded injection pipe 2 is vertically provided with a plurality of discharge holes one 201, the inner wall of threaded injection pipe 2 is placed with inner tube 7, the top of inner tube 7 is connected with hopper 6, the outer wall of inner tube 7 is provided with discharge hole two 701 corresponding to discharge hole one 201, the outer wall of threaded injection pipe 2 is fixedly connected with fixed block 3, the sidewall of fixed block 3 is symmetrically fixedly connected with two handles 4, the outer wall of handle 4 is sleeved with sponge protective sleeve, the top of threaded injection pipe 2 is fixedly connected with limit ring 5, the inner wall of limit ring 5 is provided with sliding groove 501, the sidewall of inner tube 7 is fixedly connected with sliding block 8, the outer wall of sliding block 8 is slidably connected with the inner wall of sliding groove 501, the inner wall of sliding groove 501 is provided with sliding hole 502, the sidewall of sliding block 8 is fixedly connected with rotating connecting piece 801, sliding hole 502 is set for the trajectory of rotating connecting piece 801 along circumference, the inner wall of rotating connecting piece 801 is rotatably connected with limiting sheet 802, the front side and left side of limit ring 5 are both equipped with limit slot block 503 for limiting limiting sheet 802, two limit slot blocks 503 are all below sliding hole 502, and the position of front limit slot block 503 vertically corresponds with the position of discharge hole one 201, the sidewall of rotating connecting piece 801 is slidably connected with the inner wall of sliding hole 502. Through the support plate 1, threaded cylinder 101, threaded injection pipe 2, hopper 6, fixed block 3, handle 4, inner tube 7 being set, support plate 1 is pasted on rock surface, threaded injection pipe 2 is penetrated threaded cylinder 101, and is threadedly connected with threaded cylinder 101, holds two handles 4 and rotates threaded injection pipe 2, so that drill bit is drilled into geotechnical layer inside suitable depth, polyurethane slurry is injected into inner tube 7 through hopper 6, polyurethane slurry is injected from discharge hole one 201 and discharge hole two 701, and the shallow area of geotechnical layer is grouted and reinforced, which is simple in structure, low in cost and easy to maintain. Through the limit ring 5, sliding block 8, sliding groove 501, sliding hole 502, limit slot block 503, rotating connecting piece 801 and limiting sheet 802 being set, before threaded injection pipe 2 is drilled into geotechnical, the outer wall of inner tube 7 blocks and closes discharge hole two 701, after being drilled into geotechnical, limiting sheet 802 is rotated upwards to make it separate from adjacent limit slot block 503, the rotation of inner tube 7 is released, in the next step, inner tube 7 is rotated by rotating hopper 6 until discharge hole one 201 and discharge hole two 701 correspond and penetrate, limiting sheet 802 is rotated downwards, and another limit slot block 503 is positioned, polyurethane slurry is injected from discharge hole one 201 and discharge hole two 701, which avoids that geotechnical debris blocks discharge hole when the device is drilled into geotechnical, and affects normal use of the device.

[0023] Working principle: when using, the support plate 1 is pasted on the rock surface, the threaded injection pipe 2 is penetrated through the threaded cylinder 101 and is threadedly connected with the threaded cylinder 101, two handles 4 are held to rotate the threaded injection pipe 2, the drill bit is drilled into the rock soil layer to a suitable depth, the polyurethane slurry is injected into the inner pipe 7 through the hopper 6, the limiting piece 802 is upwardly rotated to be separated from the adjacent limiting groove block 503, the rotation of the inner pipe 7 is released, in the next step, the inner pipe 7 is rotated by rotating the hopper 6 until the discharge hole one 201 corresponds to the discharge hole two 701 and is penetrated, the limiting piece 802 is downwardly rotated and is limited by the other limiting groove block 503, the polyurethane slurry is discharged from the discharge hole one 201 and the discharge hole two 701, the rock soil layer in the shallow area is treated by grouting and reinforcing, the structure is simple, the cost is low and the maintenance is easy.

[0024] The above has made detailed description on the embodiments of the utility model in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A geotechnical direct shear stability apparatus comprising: The application discloses a support plate (1), characterized in that a threaded cylinder (101) is arranged on the upper surface of the support plate (1), an inner wall of the threaded cylinder (101) is threadedly connected with a threaded pouring pipe (2), a plurality of discharge holes (201) are formed in the outer wall of the threaded pouring pipe (2) in the vertical direction, an inner tube (7) is placed in close contact with the inner wall of the threaded pouring pipe (2), a plurality of discharge holes (701) are formed in the outer wall of the inner tube (7) and correspond to the positions of the discharge holes (201), a fixing block (3) is fixedly connected to the outer wall of the threaded pouring pipe (2), two handles (4) are fixedly connected to the side wall of the fixing block (3) in a symmetrical mode, a limiting ring (5) is fixedly connected to the top end of the threaded pouring pipe (2), a sliding groove (501) is formed in the inner wall of the limiting ring (5), a sliding block (8) is fixedly connected to the side wall of the inner tube (7), the outer wall of the sliding block (8) is slidably connected with the inner wall of the sliding groove (501), a sliding hole (502) is formed in the inner wall of the sliding groove (501), a rotating connecting piece (801) is fixedly connected to the side wall of the sliding block (8), a limiting piece (802) is rotatably connected to the inner wall of the rotating connecting piece (801), and limiting groove blocks (503) for limiting the limiting pieces (802) are arranged on the front side and the left side of the limiting ring (5).

2. The geotechnical engineering direct shear stability device of claim 1, wherein, The side wall of the rotating connecting piece (801) is slidably connected with the inner wall of the sliding hole (502).

3. The geotechnical engineering direct shear stability device of claim 1, wherein, The bottom end of the threaded pouring pipe (2) is provided with a drill bit.

4. The geotechnical engineering direct shear stability device of claim 1, wherein, The top end of the inner tube (7) is connected with a hopper (6) in a penetrating mode.

5. The geotechnical engineering direct shear stability device of claim 1, wherein, The two limiting groove blocks (503) are located below the sliding hole (502), and the position of the front limiting groove block (503) vertically corresponds to the position of the discharge hole (201).

6. The geotechnical engineering direct shear stability device of claim 1, wherein, The sliding hole (502) is arranged along the trajectory of the circumferential rotation of the rotating connecting piece (801).

7. The geotechnical engineering direct shear stability device of claim 1, wherein, The outer wall of the handle (4) is sleeved with a sponge protective sleeve.

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