CN217974436U - Anchor pipe and rock-soil reinforcing device with same - Google Patents

Abstract

The utility model provides an anchor pipe and have its ground reinforcing apparatus, include: the body part is provided with an accommodating cavity, the top end of the body part is provided with an opening, and the side wall of the body part is provided with a through hole communicated with the accommodating cavity; the clamping part is movably arranged in the accommodating cavity and provided with a clamping end, the clamping part is provided with a clamping state and an avoiding state which are oppositely arranged, and when the clamping part is in the clamping state, the clamping end extends out of the body part from the through hole; when the clamping part is in an avoiding state, the clamping end is positioned in the body part; drive assembly, detachably sets up and is holding the intracavity and with the coaxial setting of this somatic part, drive assembly includes driving piece and driving medium, the driving piece is connected with the driving medium drive, the driving medium corresponds joint portion setting, the relative joint portion of driving medium has the extended position and withdraws the position, driving piece driving medium is removed to the extended position by withdrawing the position, when the driving medium is removed to the extended position by withdrawing the position, the driving medium can drive joint portion and switch to the joint state by dodging the state.

Description

Anchor pipe and rock-soil reinforcing device with same

Technical Field

The utility model relates to a slope reinforcement technical field particularly, relates to an anchor pipe and have its ground reinforcing apparatus.

Background

In the process of long-term loading in a dump in the open air, the inner pores are irregularly distributed due to the nonuniformity of components, and the phenomenon of shallow landslide can occur under the action of dead weight and external force, so that the slope is usually reinforced by adopting a rock-soil reinforcing device. The existing rock and soil reinforcing device generally comprises a fixing frame and an anchor pipe, wherein the anchor pipe is arranged on one side of the fixing frame and is inserted into a dump, and the fixing frame is used for being attached to a slope surface of a side slope so as to reduce the condition that the side slope slides. However, the anchor pipe in the prior art is easy to be separated from the slope after being used for a long time, which affects the stability of anchoring and further affects the reinforcing effect of the rock and soil reinforcing device.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anchor pipe and have its ground reinforcing apparatus to solve the not good problem of ground reinforcing apparatus's among the prior art reinforcement effect.

According to an aspect of the utility model, a provide an anchor pipe, it includes: the body part is provided with an accommodating cavity, the top end of the body part is provided with an opening, the bottom end of the body part is of a conical structure, and the side wall of the body part is provided with a through hole which is communicated with the accommodating cavity; the clamping portion is movably arranged in the accommodating cavity and provided with a clamping end, the clamping end corresponds to the through hole, the clamping portion is provided with a clamping state and an avoiding state which are oppositely arranged, and when the clamping portion is in the clamping state, the clamping end extends out of the body portion from the through hole; when the clamping part is in an avoiding state, the clamping end is positioned in the body part; drive assembly, detachably sets up and is holding the intracavity, drive assembly and the coaxial setting of this somatic part, drive assembly includes driving piece and driving medium, the driving piece is connected with the driving medium drive, the driving medium corresponds joint portion and sets up, the relative joint portion of driving medium has the extended position and withdraws the position, driving piece driving transmission medium is removed to the extended position by withdrawing the position, when the driving medium is removed to the extended position by withdrawing the position, the driving medium can drive joint portion and switch to the joint state by dodging the state.

Further, the driving assembly further includes: the casing, the casing has the mounting hole, and the mounting hole is extended towards the other end by the one end of casing, and the lateral wall of casing is provided with the mating holes, mating holes and mounting hole intercommunication, and driving piece and driving medium all set up in the mounting hole, and the driving medium corresponds the mating holes and sets up, and when the driving medium was in the extended position, partial driving medium stretched out to the casing outside by the mating holes and drive joint portion switched to the joint state by dodging the state.

Furthermore, one side of the clamping portion, which is far away from the clamping end, is provided with a first matching inclined surface, the first matching inclined surface extends from one end, which is close to the top end, of the clamping portion to the other end of the clamping portion, and the distance between the first matching inclined surface and the central axis of the body portion is gradually reduced; one side of driving medium that is close to joint portion has second cooperation inclined plane, and the driving medium has relative first end and the second end that sets up, and the first end of driving medium is close to the top setting, and the second end of driving medium is close to the bottom setting, and the distance of second cooperation inclined plane and drive assembly's the central axis is held by the first end of driving medium to the second and is reduced gradually, and second cooperation inclined plane cooperatees with first cooperation inclined plane.

Further, drive assembly includes a plurality of driving medium, is provided with a plurality of mating holes on the casing, and a plurality of mating holes set up on the casing along circumference annular interval, and the driving medium sets up with the mating hole one-to-one, has helicitic texture between driving piece and a plurality of driving medium, and when the driving piece removed towards the bottom, a plurality of driving medium of driving piece drive were removed to the extended position by withdrawing the position.

Furthermore, a reducing cavity is formed among the transmission pieces, when the transmission pieces are in the withdrawing positions, the reducing cavity has the minimum diameter, the diameter of the middle of the driving piece is larger than the minimum diameter, the driving piece is provided with an operating end and a free end which are oppositely arranged along the axial direction, the free end is arranged close to the bottom end, and the diameter of the free end is smaller than the minimum diameter.

Furthermore, the anchor pipe is also provided with a rotation stopping structure, and the rotation stopping structure is used for limiting the transmission piece to rotate relative to the body part.

Furthermore, one side of the penetrating hole, which is close to the driving component, is provided with a rotation stopping groove, part of the transmission part penetrates out of the matching hole and is positioned in the rotation stopping groove, and the rotation stopping groove is matched with the transmission part to limit the rotation of the transmission part.

Further, the drive assembly further comprises a reset piece, the reset piece is arranged between the transmission piece and the shell, and the reset piece is used for driving the transmission piece to move from the extending position to the retracting position.

Furthermore, when the clamping portion is in an avoiding state, one side, far away from the clamping end, of the clamping portion has the minimum distance with the central axis of the body portion, and the radius of the shell is smaller than the minimum distance.

Further, be provided with a plurality of wearing to establish the hole along the axis direction interval that holds the chamber on the lateral wall of this somatic part, joint portion is provided with a plurality of joint ends along the axis direction interval that holds the chamber, joint end and wearing to establish the hole one-to-one setting.

According to the utility model discloses a further aspect provides a ground reinforcing apparatus, and it includes mount and foretell anchor pipe, and the mount is used for fixed ground, and anchor pipe wears to establish on the mount and with ground fixed connection, and the mount passes through the anchor pipe to be fixed on the ground.

Use the technical scheme of the utility model, through setting up drive assembly and joint portion, can make the joint end stretch out to the outside of this somatic part and stretch into to the side slope by wearing to establish the hole in, promote the joint strength of anchor pipe and side slope, promote ground reinforcing apparatus's reinforcement effect. Specifically, when the anchor pipe of this scheme of application, will install this somatic part of joint portion and stretch into to the side slope in, later, remove through driving piece drive driving medium for the driving medium is removed to stretching out the position and drive joint portion removal by withdrawing the position, makes the joint end stretch out the outside of this somatic part can. Compared with the prior art, the arrangement of the scheme ensures that the clamping end extends into the side slope and can increase the grabbing and attaching effect between the clamping end and the side slope soil, reduces the condition that the anchor pipe is separated from the side slope, improves the stability of the anchor pipe connected with the soil, and further improves the reinforcing effect of the rock-soil reinforcing device.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an anchor pipe provided by the present invention;

fig. 2 shows a partial structural sectional view of the anchor tube provided by the present invention;

fig. 3 shows a schematic structural diagram of the driving assembly provided by the present invention in one of the states;

fig. 4 is a schematic structural diagram illustrating another state of the driving assembly provided by the present invention;

fig. 5 shows a top view of the drive assembly provided by the present invention;

figure 6 shows a top view of the body portion provided by the present invention;

fig. 7 shows a schematic structural diagram of the rock-soil reinforcing device provided by the utility model.

Wherein the figures include the following reference numerals:

10. a body portion; 11. an accommodating chamber; 12. perforating holes; 13. a rotation stopping groove;

20. a clamping part; 21. a clamping end;

30. a drive assembly;

31. a drive member;

32. a transmission member; 321. a limiting bulge;

33. a housing; 331. mounting holes; 332. a mating hole;

40. a reset member; 41. mounting grooves;

50. a fixing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 6, an anchor pipe according to a first embodiment of the present invention includes a main body 10, a clamping portion 20, and a driving assembly 30. The main body 10 has an accommodating cavity 11, the top end of the main body 10 has an opening, the bottom end of the main body 10 is a tapered structure, a through hole 12 is formed in the side wall of the main body 10, and the through hole 12 is communicated with the accommodating cavity 11. The clamping portion 20 is movably arranged in the accommodating cavity 11, the clamping portion 20 is provided with a clamping end 21, the clamping end 21 is arranged corresponding to the through hole 12, the clamping portion 20 has a clamping state and an avoiding state which are oppositely arranged, and when the clamping portion 20 is in the clamping state, the clamping end 21 extends out of the through hole 12 to the outer side of the body portion 10; when the catching portion 20 is in the retracted state, the catching end 21 is located in the body portion 10. Drive assembly 30 detachably sets up in holding chamber 11, drive assembly 30 and the coaxial setting of this somatic part 10, drive assembly 30 includes driving piece 31 and driving medium 32, driving piece 31 is connected with driving medium 32 drive, driving medium 32 corresponds joint portion 20 setting, the relative joint portion 20 of driving medium 32 has the extended position and withdraws the position, driving piece 31 driving transmission medium 32 is by withdrawing the position and moving to the extended position, when driving medium 32 is by withdrawing the position and moving to the extended position, driving medium 32 can drive joint portion 20 and switch over to the joint state by dodging the state. In addition, in this embodiment, the main body 10 is a cylindrical tubular structure, the entire clamping portion 20 is a plate-shaped structure, the extending direction of the clamping portion 20 is the same as the extending direction of the main body 10, the clamping end 21 is a cylindrical protruding structure formed on one side of the plate-shaped structure facing the outer side of the main body 10, and the extending direction of the through hole 12 is the same as the radial direction of the main body 10.

Use the technical scheme of the utility model, through setting up drive assembly 30 and joint portion 20, can make joint end 21 stretch out to this external side of this somatic part 10 and stretch into to the side slope by wearing to establish hole 12 in, promote the joint strength of anchor pipe and side slope, promote ground reinforcing apparatus's reinforcement effect. Specifically, when applying the anchor pipe of this scheme, will install this somatic part 10 of joint portion 20 and stretch into to the side slope in, later, remove through driving piece 31 drive driving medium 32 for driving medium 32 is by withdrawing the outside that the position removed to the extended position and drive joint portion 20 removed, and it can to make joint end 21 stretch out this somatic part 10. Compared with the prior art, the arrangement of the scheme ensures that the joint end 21 extends into the side slope and can increase the grabbing and attaching effect between the soil of the side slope, reduces the condition that the anchor pipe is separated from the side slope, improves the stability of the anchor pipe connected with the soil, and further improves the reinforcing effect of the rock-soil reinforcing device.

As shown in fig. 2 to 4, the driving assembly 30 further includes a housing 33, the housing 33 has a mounting hole 331, the mounting hole 331 extends from one end of the housing 33 to the other end, a side wall of the housing 33 is provided with a fitting hole 332, the fitting hole 332 is communicated with the mounting hole 331, the driving member 31 and the transmission member 32 are both disposed in the mounting hole 331, and the transmission member 32 is disposed corresponding to the fitting hole 332, when the transmission member 32 is in the extended position, a part of the transmission member 32 extends from the fitting hole 332 to the outside of the housing 33 and drives the engaging portion 20 to switch from the retracted state to the engaged state. In this embodiment, the housing 33 is a cylindrical structure, the transmission member 32 is a plate-shaped structure, and the extending direction of the transmission member 32 is the same as the extending direction of the housing 33. During the specific use, place casing 33 in holding chamber 11, and be located one side of keeping away from joint end 21 of joint portion 20 for driving medium 32 sets up with joint portion 20 relatively, and through driving piece 31 drive driving medium 32 along the outside removal of this external side of this external portion 10 of radial orientation of this external portion 10. The housing 33 is provided such that the driving member 31, the transmission member 32 and the housing 33 form an integral body, which facilitates the integral assembly of the driving assembly 30 into the accommodating chamber 11.

Further, one side of the clamping portion 20, which is far away from the clamping end 21, is provided with a first matching inclined surface, the first matching inclined surface extends from one end of the clamping portion 20, which is close to the top end, to the other end of the clamping portion 20, and the distance between the first matching inclined surface and the central axis of the main body portion 10 is gradually reduced; one side of driving medium 32 that is close to joint portion 20 has second cooperation inclined plane, and driving medium 32 has relative first end and the second end that sets up, and the first end of driving medium 32 is close to the top setting, and the second end of driving medium 32 is close to the bottom setting, and the distance of second cooperation inclined plane and drive assembly 30's the central axis is held by the first end of driving medium 32 to the second and is reduced gradually, and second cooperation inclined plane cooperatees with first cooperation inclined plane. So set up, can guarantee to place drive assembly 30 in the convenience that holds the inside of chamber 11 to, can increase the area of contact between joint portion 20 and the driving medium 32, guarantee the driving stability of driving medium 32 to joint portion 20, guarantee the smooth and easy nature that joint portion 20 removed.

As shown in fig. 3 to 6, the driving assembly 30 includes a plurality of transmission members 32, a plurality of fitting holes 332 are formed in the housing 33, the fitting holes 332 are circumferentially and annularly arranged on the housing 33, the transmission members 32 and the fitting holes 332 are arranged in a one-to-one correspondence, a thread structure is formed between the driving member 31 and the transmission members 32, and when the driving member 31 moves toward the bottom end, the driving member 31 drives the transmission members 32 to move from the retracted position to the extended position. After placing drive assembly 30 in holding chamber 11, rotating driving piece 31, driving piece 31 when rotatory, can drive a plurality of driving medium 32 and move to the extended position by retrieving the position in step. The setting of this scheme can be with the help of helicitic texture's moment of torsion transmission effort, and then guarantees a plurality of driving medium 32 driven smooth and easy nature to, helicitic texture itself has the auto-lock structure, so sets up, can guarantee that driving medium 32 stretches out to the stability after stretching out the position, guarantees the stability fixed to joint portion 20. In this embodiment, the driving medium 32 is provided with four, and the joint portion 20 and the driving medium 32 one-to-one set up.

Specifically, a reducing cavity is formed between the four transmission members 32, when the transmission members 32 are in the retraction position, the reducing cavity has a minimum diameter, the middle diameter of the driving member 31 is larger than the minimum diameter, the driving member 31 has an operating end and a free end which are oppositely arranged along the axial direction, the free end is arranged close to the bottom end, and the diameter of the free end is smaller than the minimum diameter. In this embodiment, the driving member 31 is a screw, and the extending direction of the driving member 31 is the same as the extending direction of the main body 10. So set up, make driving piece 31 and four separable settings of driving piece 32, place casing 33 before holding intracavity 11, can make four driving pieces 32 be located inside casing 33, and make to have the interval between the outer peripheral face of casing 33 and the medial surface of joint portion 20, be convenient for place casing 33 in holding intracavity 11, place casing 33 after holding intracavity 11, place driving piece 31 in casing 33, later, the synchronous outside lateral shifting of four driving pieces 32 of rethread driving piece 31 drive, every driving piece 32 drives a joint portion 20 respectively and moves to the outside of this somatic part 10. The diameter of free end is set to be less than the form of minimum diameter to this scheme, can be convenient for wear to establish driving piece 31 in the reducing chamber that four driving medium 32 formed. And, the anchor pipe still includes the shutoff ring, and after driving piece 32 was in the extended position, and driving piece 31 stretched into to reducing cavity completely, the shutoff ring encircles the top that sets up at casing 33.

Further, the anchor tube is provided with a rotation stop structure for limiting the rotation of the transmission member 32 relative to the body portion 10. The rotation stopping structure can prevent the transmission member 32 from rotating relative to the main body 10, and further prevent the housing 33 from rotating relative to the main body 10, thereby ensuring the driving smoothness of the driving member 31 for the transmission member 32.

Specifically, one side of the through hole 12 close to the driving component 30 is provided with a rotation stopping groove 13, a part of the transmission member 32 penetrates through the matching hole 332 and is located in the rotation stopping groove 13, and the rotation stopping groove 13 is matched with the transmission member 32 to limit the rotation of the transmission member 32. The rotation stopping groove 13 has a simple structure and facilitates the processing of the main body 10. In this embodiment, four rotation stopping grooves 13 are provided, the extending direction of the rotation stopping grooves 13 is the same as the extending direction of the transmission member 32, the top of the rotation stopping grooves 13 extends to the top surface of the main body 10, and each rotation stopping groove 13 is respectively provided corresponding to one transmission member 32 and the clamping portion 20.

Further, drive assembly 30 includes a return member 40, return member 40 being disposed between transmission member 32 and housing 33, return member 40 being configured to drive transmission member 32 from the extended position to the retracted position. In this embodiment, the inboard of this somatic part 10 is provided with a plurality of mounting grooves 41, the top and the bottom of every mating holes 332 communicate with a mounting groove 41 respectively, it is the shell fragment that resets 40, be provided with a shell fragment that resets in every mounting groove 41, the top and the bottom of every driving medium 32 have a spacing arch 321 respectively, spacing arch 321 is close to the inboard setting of driving medium 32, the medial surface parallel and level setting of spacing arch 321 and driving medium 32, and spacing arch 321 cooperates with the butt of the piece 40 that resets, spacing arch 321 can imbed or stretch out in the mounting groove 41. So set up, can avoid spacing arch 321 and reset 40 to produce the interference to driving piece 31, guarantee driving piece 31 to the driven smooth and easy nature of driving piece 32 to can guarantee the smooth and easy nature that driving piece 32 switches between the extended position and the position of withdrawing.

Further, when the clamping portion 20 is in the retracted state, a side of the clamping portion 20 away from the clamping end 21 has a minimum distance from the central axis of the main body portion 10, and the radius of the shell 33 is smaller than the minimum distance. So set up, can be convenient for place casing 33 between four joint portion 20.

Further, a plurality of through holes 12 are formed in the side wall of the body portion 10 at intervals along the axis direction of the accommodating cavity 11, a plurality of clamping ends 21 are formed in the clamping portion 20 at intervals along the axis direction of the accommodating cavity 11, and the clamping ends 21 are arranged in one-to-one correspondence with the through holes 12. So set up, can further promote the ability of adhereing in grabbing between anchor pipe and the side slope soil, guarantee the stability of being connected between anchor pipe and the side slope soil.

Further, the plate-shaped structure of the clamping portion 20 is provided with a drainage channel, the clamping end 21 is provided with a drainage hole, and the drainage hole is communicated with the drainage channel and used for discharging moisture in the side slope soil, so that the landslide is effectively avoided.

As shown in fig. 7, the second embodiment of the present invention provides a rock-soil reinforcing apparatus, which includes a fixing frame 50 and the anchor pipe, wherein the fixing frame 50 is used for fixing rock-soil, the anchor pipe is arranged on the fixing frame 50 and fixedly connected to the rock-soil, and the fixing frame 50 is fixed on the rock-soil through the anchor pipe.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. An anchor tube, comprising:

the body part (10), the body part (10) is provided with an accommodating cavity (11), the top end of the body part (10) is provided with an opening, the bottom end of the body part (10) is of a conical structure, the side wall of the body part (10) is provided with a through hole (12), and the through hole (12) is communicated with the accommodating cavity (11);

the clamping portion (20) is movably arranged in the accommodating cavity (11), the clamping portion (20) is provided with a clamping end (21), the clamping end (21) is arranged corresponding to the through hole (12), the clamping portion (20) is provided with a clamping state and an avoiding state which are oppositely arranged, and when the clamping portion (20) is in the clamping state, the clamping end (21) extends out of the body portion (10) from the through hole (12); when the clamping part (20) is in the avoiding state, the clamping end (21) is positioned in the body part (10);

drive assembly (30), detachably sets up hold in the chamber (11), drive assembly (30) with this body part (10) coaxial setting, drive assembly (30) are including driving piece (31) and driving medium (32), driving piece (31) with driving medium (32) drive is connected, driving medium (32) correspond joint portion (20) set up, driving medium (32) are relative joint portion (20) have the extended position and withdraw the position, driving piece (31) drive driving medium (32) by withdraw the position and remove extremely the extended position, work as driving medium (32) by withdraw the position and remove extremely during the extended position, driving medium (32) can drive joint portion (20) by dodge the state switch to the joint state.

2. An anchor tube as claimed in claim 1, wherein the drive assembly (30) further comprises:

casing (33), casing (33) have mounting hole (331), mounting hole (331) by the one end of casing (33) extends towards the other end, the lateral wall of casing (33) is provided with mating holes (332), mating holes (332) with mounting hole (331) intercommunication, driving piece (31) with driving piece (32) all set up in mounting hole (331), just driving piece (32) correspond mating holes (332) set up, work as driving piece (32) are in when the extended position, part driving piece (32) by mating holes (332) stretch out to casing (33) outside and drive joint portion (20) by dodge the state switch to the joint state.

3. The anchor tube of claim 2,

one side, far away from the clamping end (21), of the clamping portion (20) is provided with a first matching inclined surface, the first matching inclined surface extends from one end, close to the top end, of the clamping portion (20) to the other end of the clamping portion (20), and the distance between the first matching inclined surface and the central axis of the body portion (10) is gradually reduced;

drive medium (32) be close to one side of joint portion (20) has second cooperation inclined plane, drive medium (32) have relative first end and the second end that sets up, the first end of drive medium (32) is close to the top sets up, the second end of drive medium (32) is close to the bottom sets up, second cooperation inclined plane with the distance of the central axis of drive assembly (30) by the first end to the second end of drive medium (32) reduces gradually, second cooperation inclined plane with first cooperation inclined plane cooperatees.

4. An anchor tube as claimed in claim 2, wherein said drive assembly (30) comprises a plurality of said transmission members (32), said housing (33) is provided with a plurality of said engagement holes (332), said engagement holes (332) are circumferentially spaced on said housing (33), said transmission members (32) are disposed in one-to-one correspondence with said engagement holes (332), said drive member (31) and said plurality of transmission members (32) have a threaded configuration therebetween, and said drive member (31) drives said plurality of transmission members (32) from said retracted position to said extended position when said drive member (31) is moved toward said bottom end.

5. An anchor tube as claimed in claim 4, wherein a plurality of said transmission members (32) define therebetween a reducing chamber having a minimum diameter when said transmission members (32) are in said retracted position, said driving member (31) having a central diameter greater than said minimum diameter, said driving member (31) having axially oppositely disposed operative and free ends, said free ends being disposed adjacent said base end, said free ends having a diameter less than said minimum diameter.

6. An anchor tube according to claim 4, in which the anchor tube is further provided with a rotation stop arrangement for limiting rotation of the transmission member (32) relative to the body portion (10).

7. An anchor tube according to claim 6, wherein the through hole (12) has a rotation stopping groove (13) on a side thereof adjacent to the driving member (30), part of the transmission member (32) passes through the fitting hole (332) and is located in the rotation stopping groove (13), and the rotation stopping groove (13) is fitted with the transmission member (32) to restrict the rotation of the transmission member (32).

8. An anchor tube as claimed in claim 2, wherein said drive assembly (30) further comprises a reset member (40), said reset member (40) being disposed between said transmission member (32) and said housing (33), said reset member (40) being for driving said transmission member (32) from said extended position to said retracted position.

9. An anchor tube according to claim 2, wherein, in the retracted state of the clamping portion (20), the side of the clamping portion (20) remote from the clamping end (21) is at a minimum distance from the central axis of the body portion (10), and the radius of the housing (33) is smaller than the minimum distance.

10. An anchor tube according to claim 1, wherein the side wall of the main body (10) is provided with a plurality of through holes (12) at intervals along the axial direction of the accommodating cavity (11), the clamping portion (20) is provided with a plurality of clamping ends (21) at intervals along the axial direction of the accommodating cavity (11), and the clamping ends (21) and the through holes (12) are arranged in a one-to-one correspondence.

11. A rock-soil reinforcement device, characterized in that it comprises a fixing frame (50) and an anchor pipe according to any one of claims 1 to 10, said fixing frame (50) being used for fixing rock-soil, said anchor pipe being arranged through said fixing frame (50) and fixedly connected with rock-soil, said fixing frame (50) being fixed on rock-soil through said anchor pipe.

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