CN217352520U

CN217352520U - Underground rock engineering test drilling hole opening protection device

Info

Publication number: CN217352520U
Application number: CN202220124881.8U
Authority: CN
Inventors: 寇杨军; 赵云刚; 苗生雨; 王蕊
Original assignee: NORTHWEST RESEARCH INSTITUTE OF ENGINEERING INVESTIGATIONS AND DESIGN
Current assignee: NORTHWEST RESEARCH INSTITUTE OF ENGINEERING INVESTIGATIONS AND DESIGN
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-09-02
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a drilling orifice protection device for underground rock engineering test, which comprises a sleeve; the improved screw is characterized in that a screw hole is formed in the sleeve, a screw rod is movably mounted in the screw hole, a sliding block is movably mounted below the inner side of the sleeve, the bottom of the screw rod is movably connected with the top of the sliding block, and through holes are formed in the periphery below the sleeve. The utility model discloses a screw rod is located the screw internal rotation and can drives the slider and reciprocate, folding arm can revolute axle A when the slider moves down, pivot B and pivot C are folded, folding arm outer end can promote the backup pad and expand to the lateral shifting when folding, support tightly through backup pad and drill way inner wall and can accomplish the installation work this moment, and can support the protection to the drill way, avoid subsiding, can drive the backup pad through folding and remove, can be suitable for the not drill way of equidimension, and it is simple convenient to install, time saving and labor saving, the supporting effect is reliable and stable.

Description

Underground rock engineering test drilling hole opening protection device

Technical Field

The utility model relates to an underground rock engineering technical field specifically is an underground rock engineering test drilling drill way protection device.

Background

With the increasing advance of large-scale infrastructure construction and deep resource energy exploitation in China at present, a series of underground rock engineering appears, such as traffic tunnels, hydropower underground powerhouses, paint repositories, mine roadways and the like, reliable acquisition of rock mass mechanical response in the engineering excavation and operation processes is an important link for ensuring engineering safety and promoting engineering to smoothly carry out, so that a large number of drilling holes need to be constructed, and tests on multiple parameters such as rock mass deformation, fracture, stress and the like are carried out;

the underground rock engineering test drilling orifice protection device that a adaptation different apertures that has bulletin number (CN210598895U) now, the device props the roof plate through three connecting rods and three and has constituteed a screw thread jointly and has pushed away to rotate and expand and prop the mechanism, only need just reverse to twist and push away the top screw and just can realize the extension and the shrink control of propping the roof plate to three, and accomplish and prop the location to the holistic top of device, convenient to use is swift in the operation, and compress tightly the use through the cooperation of rain cover and rubber cushion and can prevent inside the rainwater infiltration drilling, effectively strengthen the water-proof effects of device body, but the device still has following shortcoming:

the device can expand the roof supporting plate and play the shore effect when using, but its roof supporting plate can't support the protection to the entrance to a cave inner wall, and its entrance to a cave inner wall easily appears collapsing, and the protection effect is relatively poor, and the roof supporting plate expands for the slant simultaneously, and its and entrance to a cave inner wall's contact surface is little, and frictional force is lower, therefore installation stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an underground rock engineering test drilling drill way protection device has solved the problem that proposes among the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a subterranean rock engineering test drill hole orifice protection device comprising a sleeve;

a screw hole is formed in the sleeve, a screw rod is movably mounted in the screw hole, a sliding block is movably mounted below the inner side of the sleeve, the bottom of the screw rod is movably connected with the top of the sliding block, and through holes are formed in the periphery below the sleeve;

the improved folding arm is characterized in that a rotating shaft A is installed on the periphery of the sliding block, a rotating shaft B is installed on the periphery of the bottom of the sleeve, folding arms are movably installed on the rotating shaft A and the rotating shaft B, the tail ends of the folding arms are movably connected through a rotating shaft C, and a supporting plate is movably installed on the outer side of each folding arm and located on the rotating shaft C.

As a preferred embodiment of the present invention, a cover plate is installed above the sleeve.

As a preferred embodiment of the utility model, the hand wheel is installed at the screw rod top.

As a preferred embodiment of the utility model, the handle is installed to apron top both sides.

As a preferred embodiment of the present invention, the folding arm is movably installed in the through hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model relates to a rock engineering test drilling drill way protection device, it can drive the slider and reciprocate to be located the screw internal rotation through the screw rod, folding arm can revolute axle A when the slider moves down, pivot B and pivot C are folded, folding arm outer end can promote the backup pad and expand in the lateral shifting when folding, support tightly through backup pad and drill way inner wall and can accomplish the installation work this moment, and can support the protection to the drill way, avoid subsiding, can drive the backup pad through folding and remove, can be suitable for the drill way of equidimension not, and it is simple and convenient to install, time saving and labor saving, the supporting effect is reliable and stable.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic front view of the hole opening protection device for testing drilling in underground rock engineering of the present invention;

FIG. 2 is a schematic view of the enlarged structure of the underground rock engineering test drilling hole opening protection device according to the present invention;

figure 3 is the utility model discloses a structural schematic is overlooked to underground rock engineering test drilling drill way protection device's sleeve.

In the figure: 1. a cover plate; 2. a sleeve; 3. perforating; 4. a slider; 5. a screw; 6. a hand wheel; 7. a handle; 8. a rotating shaft A; 9. a rotating shaft B; 10. a folding arm; 11. a rotating shaft C; 12. a support plate; 13. and a screw hole.

Detailed Description

Referring to fig. 1-3, the present invention provides a technical solution: a subterranean rock engineering test drill hole orifice protection device comprising a sleeve 2;

a screw hole 13 is formed in the sleeve 2, a screw rod 5 is movably mounted in the screw hole 13, a sliding block 4 is movably mounted below the inner side of the sleeve 2, the bottom of the screw rod 5 is movably connected with the top of the sliding block 4, and through holes 3 are formed in the periphery below the sleeve 2;

slider 4 installs pivot A8 all around, 2 bottoms of sleeve install pivot B9 all around, movable mounting has folding arm 10 on pivot A8 and the pivot B9, folding arm 10 is terminal through pivot C11 swing joint, movable mounting has backup pad 12 on the folding arm 10 outside and being located pivot C11.

In this embodiment (please refer to fig. 1, fig. 2 and fig. 3), the screw rod 5 is located in the screw hole 13 and can rotate to drive the slider 4 to move up and down, when the slider 4 moves down, the folding arm 10 can be folded around the rotating shaft A8, the rotating shaft B9 and the rotating shaft C11, when folded, the outer end of the folding arm 10 can push the support plate 12 to move outward and expand, at this time, the support plate 12 is tightly abutted against the inner wall of the hole opening to complete the installation work, and the hole opening can be supported and protected to avoid collapse, the support plate 12 can be driven to move through folding, so that the device can be applied to the hole openings with different sizes, and is simple and convenient to install, time and labor saving, and the supporting effect is stable and reliable.

In this embodiment (see fig. 1), a cover plate 1 is installed above the sleeve 2, and the cover plate 1 can prevent impurities from falling into the hole, thereby achieving a protection effect.

In this embodiment (please refer to fig. 1), a hand wheel 6 is installed at the top of the screw rod 5, and the hand wheel 6 can make the screw rod 5 more labor-saving and convenient to rotate.

In this embodiment (please refer to fig. 1), handles 7 are installed on two sides of the top of the cover plate 1, and the lifting of the device can be facilitated through the handles 7.

In this embodiment (see fig. 2), the folding arm 10 is movably installed in the through hole 3, and the folding arm 10 is movably located in the through hole 3 to ensure that it can be unfolded and folded.

The utility model relates to a protection device for the hole opening of a drilling hole for underground rock engineering test, which comprises a cover plate 1; 2. a sleeve; 3. perforating; 4. a slider; 5. a screw; 6. a hand wheel; 7. a handle; 8. a rotating shaft A; 9. a rotating shaft B; 10. a folding arm; 11. a rotating shaft C; 12. a support plate; 13. the screw hole, the part is the general standard component or the part known by the technicians in this field, its structure and principle are known by the technical manual or by the routine experiment method, when working, firstly insert in the hole through the sleeve, then can rotate the screw 5 to make it locate in the screw hole 13 to rotate, at this moment the screw 5 can drive the slide block 4 to move up and down, when the slide block 4 moves down, the folding arm 10 can fold around the axis A8, the axis B9 and the axis C11, when folding, the outer end of the folding arm 10 can push the support plate 12 to move outward, at this moment, the installation work can be completed through the support plate 12 and the inner wall of the hole, and can support and protect the hole, avoid collapse, through folding can drive the support plate 12 to move, can be suitable for the holes of different sizes, and the installation is simple and convenient, time saving and labor saving, the support effect is stable and reliable, can prevent through apron 1 that debris from falling into the drill way in, play the safeguard effect, can be convenient for mention of equipment through handle 7, can make the rotation of screw rod 5 more laborsaving convenient through hand wheel 6.

Claims

1. A device for protecting a bore hole for testing underground rock engineering, characterized by comprising a sleeve (2);

a screw hole (13) is formed in the sleeve (2), a screw rod (5) is movably mounted in the screw hole (13), a sliding block (4) is movably mounted below the inner side of the sleeve (2), the bottom of the screw rod (5) is movably connected with the top of the sliding block (4), and through holes (3) are formed in the periphery below the sleeve (2);

install pivot A (8) all around slider (4), install pivot B (9) all around sleeve (2) bottom, movable mounting has folding arm (10) on pivot A (8) and pivot B (9), folding arm (10) end is through pivot C (11) swing joint, folding arm (10) outside just is located pivot C (11) and goes up movable mounting and have backup pad (12).

2. A subterranean rock engineering test drill hole orifice protection device of claim 1, wherein: and a cover plate (1) is arranged above the sleeve (2).

3. A subterranean rock engineering test drill hole orifice protection device of claim 1, wherein: and a hand wheel (6) is arranged at the top of the screw rod (5).

4. A subterranean rock engineering test drill hole orifice protection device of claim 2, wherein: handles (7) are arranged on two sides of the top of the cover plate (1).

5. A subterranean rock engineering test drill hole orifice protection device of claim 1, wherein: the folding arm (10) is movably arranged in the through hole (3).