CN217204057U

CN217204057U - Lock capable of preventing clamping piece from breaking off

Info

Publication number: CN217204057U
Application number: CN202221013617.3U
Authority: CN
Inventors: 刘学; 沈龙; 邵飞跃; 宋辰琦; 耿良军; 徐东明; 王晗
Original assignee: Beijing Guoanchor Engineering Technology Research Institute Co ltd; China Railway Development Investment Co ltd; China University of Mining and Technology Beijing CUMTB; China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Current assignee: Beijing Guoanchor Engineering Technology Research Institute Co ltd; China Railway Development Investment Co ltd; China University of Mining and Technology Beijing CUMTB; China Tiesiju Civil Engineering Group Co Ltd CTCE Group
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-16
Anticipated expiration: 2032-04-27

Abstract

The application relates to the technical field of anchoring, particularly, relate to a tool to lock that can prevent clamping piece collapse and take off, include: the clamping piece is provided with a groove, the groove is provided with an assembling hole, and the clamping piece is connected with a cable body through the assembling hole in a matched mode; one end of the anti-falling part is arranged in the groove and is matched and connected with the clamping part, the anti-falling part is provided with a through hole, and the anti-falling part is matched and connected with the cable body through the through hole; the anchor device part is provided with a connecting hole, and the anchor device part is connected with the anti-falling part in a matched mode through the connecting hole. The utility model discloses a newly-increased anticreep piece and the cooperation of novel ground tackle spare and holder can effectively prevent to collapse because of the eccentric pressurized of clamping piece or the interior clamping piece of ground tackle that the ground tackle arouses of ground tackle and take off the problem, are favorable to guaranteeing prestressed anchorage pole (cable) performance, and control country rock is out of shape, still can reduce the maintenance cost that the ground tackle clamping piece collapses to take off the back anchor engineering.

Description

Lock capable of preventing clamping piece from breaking off

Technical Field

The application relates to the technical field of anchoring, in particular to a lock capable of preventing clamping pieces from collapsing.

Background

The prestressed anchor rod (cable) is an anchoring technology which fixes the anchor rod (cable) in the rock-soil body by grouting or filling resin anchoring agent in the hole and reinforces the rock-soil body by applying prestress, and mainly comprises a cable body, an anchorage device and the like, wherein the anchorage device can be divided into a clip type anchorage device and a supporting type anchorage device. With the development of geotechnical engineering construction, the facing geological conditions are more and more complex, the required supporting strength is more and more high, and the clamping piece type anchorage device is widely used because the clamping piece type anchorage device can rapidly apply high prestress. However, in the use process of the clip type anchorage device, due to the fact that the prestress value of each wire harness is uneven after the anchor cable is tensioned, the clip is easy to be eccentrically pressed, the clip is damaged, and the clip is broken and detached. In addition, in the service period of the anchor rod (cable), the anchor is exposed outside for a long time, and the anchor ring, the clamping piece and the cable body are easy to rust. After the anchorage is corroded, when the pressure of surrounding rock is large or disturbance stress exists, the clamping piece in the anchorage is easy to collapse. The clamping piece in the anchorage device is broken off, so that the anchoring capability of the anchor rod (cable) is reduced, the supporting function is greatly reduced, and the broken-off clamping piece has larger kinetic energy and is easy to cause casualties.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will be solved lies in overcoming among the above-mentioned prior art, prevents that anchor utensil clamping piece from collapsing and taking off the technical problem in stock (cable) service period, provides a tool to lock that can prevent the clamping piece from collapsing and taking off.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lock capable of preventing a clamping piece from being broken off comprises:

the clamping piece is provided with a groove, the groove is provided with an assembling hole, and the clamping piece is connected with the cable body through the assembling hole in a matched mode;

one end of the anti-falling part is arranged in the groove and is matched and connected with the clamping part, the anti-falling part is provided with a through hole, and the anti-falling part is matched and connected with the cable body through the through hole;

the anchor device part is provided with a connecting hole and is in fit connection with the anti-falling part through the connecting hole.

Further, the coming-off preventing member includes:

the clamping part is arranged in the groove, and the anti-falling part is detachably connected with the cable body through the clamping part;

the fastening part is arranged outside the groove, and the anti-falling part is detachably connected with the anchorage device part through the fastening part.

Furthermore, the clamping part is provided with a clamping thread section close to the inner side of the cable body, and the anti-falling part is in threaded connection with one end of the cable body through the clamping thread section.

Furthermore, a fastening thread section is arranged on the fastening part far away from the outer side of the cable body, and the anti-falling part is in threaded connection with the anchorage part through the fastening thread section.

Further, the anti-dropping part further comprises a connecting part, the connecting part is arranged outside the groove, and the anti-dropping part is detachably connected with the cable body through the connecting part.

Furthermore, a connecting thread section is arranged on the connecting part close to the inner side of the cable body, and the anti-falling part is in threaded connection with the other end of the cable body through the connecting thread section.

Furthermore, the connecting part is pressed on the anchorage device, the connecting part is connected with one end of the fastening part, and the other end of the fastening part is connected with the clamping part.

Furthermore, the groove is of a wedge-shaped structure which rises from the center to the periphery, and the clamping part is matched with the groove.

Furthermore, the lockset also comprises a tray, the tray is provided with a tray hole, and the cable body is connected with the tray through the tray hole; the anchor device piece is pressed on one side of the tray, and the other side of the tray is pressed on a rock body.

Furthermore, the clamping piece comprises a plurality of clamping pieces, and the clamping pieces are sequentially connected end to end and are arranged in the connecting hole of the anchorage device in a centrosymmetric manner.

The utility model discloses technical scheme has following advantage:

the utility model discloses a newly-increased anticreep piece and the cooperation of novel ground tackle spare and holder can effectively prevent to collapse because of the eccentric pressurized of clamping piece or the interior clamping piece of ground tackle that the ground tackle arouses of ground tackle and take off the problem, are favorable to guaranteeing prestressed anchorage pole (cable) performance, and control country rock is out of shape, still can reduce the maintenance cost that the ground tackle clamping piece collapses to take off the back anchor engineering.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic structural diagram illustrating the anchoring of a lock to a bolt in an embodiment of the present application;

FIG. 2 is a partially enlarged schematic view of A in FIG. 1;

FIG. 3 shows a schematic structural view of a release preventing member in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a connecting part in the embodiment of the present application;

FIG. 5 shows a schematic structural view of a clamp in an embodiment of the present application;

FIG. 6 shows a schematic structural view of an anchor member in an embodiment of the present application;

FIG. 7 is a perspective view of a clip according to an embodiment of the present application;

FIG. 8 is a perspective view of the release preventing member in the embodiment of the present application;

FIG. 9 is a perspective view of the anchor member mounted to the retaining member and the release preventing member in the embodiment of the present application;

FIG. 10 is a schematic perspective view of a lock anchoring an anchor in an embodiment of the present application;

wherein the reference numerals are as follows: 10. a clamping member; 11. a groove; 12. an assembly hole; 20. a drop-off prevention member; 21. a through hole; 22. a clamping portion; 221. clamping the threaded section; 23. a fastening section; 231. fastening a thread section; 24. a connecting portion; 241. connecting the threaded section; 30. an anchor member; 31. connecting holes; 40. a cable body; 50. a tray; 60. the rock mass.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1, 2 and 9, an embodiment of the present invention provides a lock capable of preventing a clamping piece from falling off, including a clamping piece 10, a falling-off preventing piece 20 and an anchorage device 30;

the clamping piece 10 is provided with a groove 11, the groove 11 is provided with an assembling hole 12, and the clamping piece 10 is connected with a cable body 40 in a matching way through the assembling hole 12;

one end of the anti-falling part 20 is arranged in the groove 11 and is matched and connected with the clamping part 10, the anti-falling part 20 is provided with a through hole 21, and the anti-falling part 20 is matched and connected with the cable body 40 through the through hole 21;

the anchor member 30 is provided with a connecting hole 31, and the anchor member 30 is connected with the anti-falling member 20 through the connecting hole 31.

In an embodiment, the clamping member 10 comprises a plurality of jaws, each jaw being connected end-to-end in sequence and disposed centrally symmetrically within the attachment aperture 31 of the anchor member 30.

The utility model discloses the clamping piece sets up to three, and central symmetry sets up in the tapering connecting hole 31 of tool to lock ground tackle spare 30, the utility model discloses this kind of structural design makes stretch-draw conveniently take off after finishing, repeatedly usable.

In an embodiment, the lock prevents the clamp 10 from breaking away; the rear end of the clamping piece 10 is provided with a wedge-shaped groove 11, and the groove 11 can be of a wedge-shaped structure; the wedge-shaped groove 11 is provided with an assembling hole 12, a thread is arranged in the assembling hole 12, and the cable body 40 enters the assembling hole 12 to be in matched threaded connection with the clamping piece 10;

the front end of the anti-drop part 20 can enter the wedge-shaped groove 11 and is matched and abutted with the clamping part 10 so as to prop against the clamping part 10, the anti-drop part 20 is provided with a through hole 21, the front end of the through hole 21 is internally provided with a thread, and the cable body 40 enters the through hole 21 and is connected with the front end of the anti-drop part 20 through the matched thread;

connecting hole 31 is opened to ground tackle spare 30, and connecting hole 31 rear end is equipped with the screw thread, and anticreep piece sets up the rear end outside recess 11 and is equipped with the screw thread, and ground tackle spare 30 passes through connecting hole 31 rear end and anticreep piece 20 rear end cooperation threaded connection to this realizes the anchor centre gripping to stock (cable).

In an embodiment, anchor member 30 may be provided as an anchor ring. The anchor ring is provided with a plurality of connecting holes 31 which are respectively corresponding to the anchoring and clamping of a plurality of anchor rods (cables).

The utility model provides a front end of each part is established to the tool to lock and is close to rock mass 60 one end, and the rear end is established to the tool to lock and is kept away from rock mass 60 one end.

The utility model punches holes at corresponding positions through the anchor cable drilling machine, after the anchor cable holes are drilled to the designed length, the cable body is slowly pushed into the holes through manpower or machines, and one end of the cable body is fixed in the holes by utilizing cement mortar or resin anchoring agent; at the other end of the cable body, the tray 50 is sleeved on the cable body 40, so that the other end of the cable body is tightly attached to the rock body 60, the anchor member 30 penetrates through the cable body 40 and is tightly attached to the tray 50, and finally the clamping member 10 penetrates through the cable body 40 and is sent to the front end of the anchor member 30, so that the installation of the anchor cable is completed; after the strength of the anchoring section reaches a design value, applying design prestress on the anchor cable through a tensioning jack and locking; after the prestress is applied, the anti-falling part 20 is placed into the anchor part 30, the nut is screwed in by rotating a wrench until the fastening thread section 231 completely enters the anchor part 30, at the moment, the anti-falling part 20 just can prop against the clamping part 10, and the clamping thread section 221 clamps the cable body 40.

The utility model discloses a newly-increased anticreep piece 20 and novel ground tackle spare 30 and clamping part 10's cooperation can prevent effectively that the clamping piece collapses and takes off the problem in the ground tackle that arouses because of the eccentric pressurized of clamping piece or ground tackle corruption, is favorable to guaranteeing prestressed anchorage pole (cable) performance, and control country rock is out of shape, still can reduce the ground tackle clamping piece and collapse and take off the maintenance cost of back anchor engineering.

The utility model discloses stock (cable) and prestressing force stretch-draw equipment commonly used in the present engineering of adaptation, compact structure, simple, convenient operation, easy construction prevents that the clamping piece from collapsing effectual of taking off, has extensive suitability.

As shown in fig. 3 and fig. 6, in the present embodiment, the retaining member 20 includes:

the clamping part 22, the clamping part 22 is arranged in the groove 11, and the anti-falling part 20 is detachably connected with the cable body 40 through the clamping part 22;

and a fastening part 23, wherein the fastening part 23 is arranged outside the groove 11, and the anti-falling part 20 is detachably connected with the anchorage device 30 through the fastening part 23.

The clamping portion 22 is provided with a clamping thread section 221 near the inner side of the cable body 40, and the anti-slip member 20 is in threaded connection with one end of the cable body 40 through the clamping thread section 221.

The fastening part 23 is provided with a fastening thread section 231 on the outer side away from the cable body 40, and the anti-dropping part 20 is in threaded connection with the anchor part 30 through the fastening thread section 231.

In the embodiment, the holding portion 22 is located at the front end portion of the release preventing member 20, and the fastening portion 23 is located at the middle end portion of the release preventing member 20;

a clamping thread section 221 is arranged in the clamping part 22, and is in threaded connection with the anchor rod (cable) through the clamping thread section 221 so as to clamp the anchor rod (cable);

the fastening part 23 is connected with the rear end of the anchor device 30 through a fastening thread section 231, so that the anti-falling part 20 and the anchor device 30 form a whole, and the clamping piece can be effectively prevented from moving or falling off;

the inside of the front end of the anti-falling part 20 clamps the anchor rod (cable) through the clamping thread section 221, and the middle part of the anti-falling part 20 is connected with the rear end of the anchor part 30 through the fastening thread section 231, so that the anti-falling part 20 and the anchor part 30 form a whole, and the clamping piece can be effectively prevented from moving or collapsing.

As shown in fig. 3, 4 and 8, in the present embodiment, the anti-slip element 20 further includes a connecting portion 24, the connecting portion 24 is disposed outside the groove 11, and the anti-slip element 20 is detachably connected to the cable body 40 through the connecting portion 24;

the connecting portion 24 is provided with a connecting thread section 241 near the inner side of the cable body, and the anti-slip member 20 is in threaded connection with the other end of the cable body 40 through the connecting thread section 241.

The connecting portion 24 is pressed against the anchor member 30, the connecting portion 24 is connected to one end of the fastening portion 23, and the other end of the fastening portion 23 is connected to the holding portion 22.

In the embodiment, the connection portion 24 is located at the rear end portion of the detachment prevention member 20;

in an embodiment, the connection portion 24 may be a screw nut integrated with the clamping portion 22 and the fastening portion 23 to assist the end of the anti-slip member 20 to be screwed into the rear end of the anchor member 30, and the screw nut is rotated by a wrench until the fastening thread 231 is completely inserted into the anchor member 30, and the anti-slip member 20 just abuts against the clamping member 10, and the clamping thread 221 is clamped to the cable body 40.

The utility model discloses the inside stock (cable) of blocking through centre gripping screw thread section 221 of anticreep piece 20 front end, the middle part is connected through fastening screw thread section 231 and ground tackle spare 30 rear end, make anticreep piece 20 and ground tackle spare 30 constitute a whole, utilize the rotatory precession nut of spanner to fastening screw thread section 231 get into ground tackle spare 30 completely, anticreep piece 20 just can withstand holder 10 this moment, centre gripping screw thread section 221 blocks cable body 40, thereby can more effectually prevent that the clamping piece from removing or collapsing and take off.

As shown in fig. 5 and 7, in the present embodiment, the groove 11 is a wedge-shaped structure that rises from the center to the outer periphery, and the holding portion 22 is provided to fit the groove 11.

In the embodiment, the design of the wedge-shaped structure can enhance the stability of the installation of the lock, has strong controllability, can prevent the clamping piece from collapsing and falling off, and is favorable for anchoring the anchor rod (cable).

As shown in fig. 1, 2 and 10, in the present embodiment, the lock further includes a tray 50, the tray 50 is provided with a tray hole, and the cable body 40 is connected to the tray 50 through the tray hole; the anchor member 30 is pressed against one side of the tray 50, and the other side of the tray 50 is pressed against the rock mass 60.

In the embodiment, the tray 50 is sleeved on the cable body 40 and is tightly attached to the rock body 60, the anchor member 30 penetrates through the cable body 40 and is tightly attached to the tray 50, and finally the clamping member 10 penetrates through the cable body 40 and is fed into the front end of the anchor member 30, so that the installation of the anchor cable is completed.

In summary, the utility model provides a lock capable of preventing a clamping piece from collapsing, which comprises a clamping piece 10, a disengagement preventing piece 20 and an anchorage device 30; the clamping piece 10 is provided with a groove 11, the groove 11 is provided with an assembling hole 12, and the clamping piece 10 is connected with a cable body 40 through the assembling hole 12 in a matching way; one end of the anti-falling part 20 is arranged in the groove 11 and is matched and connected with the clamping part 10, the anti-falling part 20 is provided with a through hole 21, and the anti-falling part 20 is matched and connected with the cable body 40 through the through hole 21; the anchor member 30 is provided with a connecting hole 31, and the anchor member 30 is connected with the anti-falling member 20 through the connecting hole 31. The utility model punches holes at corresponding positions through the anchor cable drilling machine, after the anchor cable holes are drilled to the designed length, the cable body is slowly pushed into the holes through manpower or machines, and one end of the cable body is fixed in the holes by utilizing cement mortar or resin anchoring agent; sleeving a tray 50 on a cable body 40 at the other end of the cable body to enable the other end of the cable body to be tightly attached to a rock mass 60, penetrating an anchorage device 30 through the cable body 40 to be tightly attached to the tray 50, and finally penetrating a clamping piece 10 through the cable body 40 to be fed to the front end of the anchorage device 30, so that the installation of the anchor cable is completed; after the strength of the anchoring section reaches a design value, applying design prestress on the anchor cable through a tensioning jack and locking; after the prestress is applied, the anti-falling part 20 is placed into the anchor part 30, the nut is screwed in by rotating a wrench until the fastening thread section 231 completely enters the anchor part 30, at the moment, the anti-falling part 20 just can prop against the clamping part 10, and the clamping thread section 221 clamps the cable body 40. The utility model discloses a newly-increased anticreep piece 20 and novel ground tackle spare 30 and clamping part 10's cooperation can prevent effectively that the clamping piece collapses and takes off the problem in the ground tackle that arouses because of the eccentric pressurized of clamping piece or ground tackle corruption, is favorable to guaranteeing prestressed anchorage pole (cable) performance, and control country rock is out of shape, still can reduce the ground tackle clamping piece and collapse and take off the maintenance cost of back anchor engineering. The utility model discloses stock (cable) and prestressing force stretch-draw equipment commonly used in the present engineering of adaptation, compact structure, simple, convenient operation, easy construction prevents that the clamping piece from collapsing effectual of taking off, has extensive suitability.

The utility model provides a lock which can be suitable for geotechnical engineering and can prevent the clamping piece from collapsing, and has simple structure and process, safety and economy; the lock can effectively prevent the anchor clamping piece from collapsing and falling off in the service period of the anchor rod (cable), is favorable for ensuring the anchor rod (cable) to exert anchoring bearing capacity, controlling the deformation of surrounding rock and simultaneously is favorable for reducing the maintenance cost of supporting engineering.

The utility model discloses can also solve among the tensioning process clamping piece and can not all return the intra-annular problem of anchor after moving and back a tension along with stock (cable) extension, be favorable to stock (cable) to strut the performance.

The utility model discloses but stock (cable) and prestressing force stretch-draw equipment commonly used in the present engineering of adaptation to simple to operate, easy operation effectively pins the clamping piece, prevents that it from sliding and droing.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present application and are presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lock capable of preventing a clamping piece from being broken off is characterized by comprising:

the clamping piece (10) is provided with a groove (11), the groove (11) is provided with an assembling hole (12), and the clamping piece (10) is connected with a cable body (40) in a matched mode through the assembling hole (12);

one end of the anti-falling part (20) is arranged in the groove (11) and is connected with the clamping part (10) in a matched mode, a through hole (21) is formed in the anti-falling part (20), and the anti-falling part (20) is connected with the cable body (40) in a matched mode through the through hole (21);

the anchor device piece (30), connecting hole (31) is seted up in anchor device piece (30), anchor device piece (30) pass through connecting hole (31) with anticreep piece (20) cooperation is connected.

2. The clip-pop prevention lock according to claim 1, wherein the drop-off prevention member (20) comprises:

the clamping part (22), the clamping part (22) is arranged in the groove (11), and the anti-falling part (20) is detachably connected with the cable body (40) through the clamping part (22);

the fastening part (23) is arranged outside the groove (11), and the anti-falling part (20) is detachably connected with the anchorage device part (30) through the fastening part (23).

3. The clip-pop prevention lock according to claim 2, wherein the clamping portion (22) is provided with a clamping thread section (221) near the inner side of the cable body (40), and the anti-pop piece (20) is in threaded connection with one end of the cable body (40) through the clamping thread section (221).

4. The clip pop-up prevention lock according to claim 2, wherein the fastening portion (23) is provided with a fastening thread section (231) on the outer side away from the cable body (40), and the anti-pop-up member (20) is in threaded connection with the anchor member (30) through the fastening thread section (231).

5. The clip fall prevention lock according to claim 2, wherein the fall prevention member (20) further comprises a connection portion (24), the connection portion (24) is disposed outside the groove (11), and the fall prevention member (20) is detachably connected to the cable body (40) through the connection portion (24).

6. The clip fall prevention lock according to claim 5, wherein the connecting portion (24) is provided with a connecting thread section (241) near the inner side of the cable body, and the fall prevention member (20) is in threaded connection with the other end of the cable body (40) through the connecting thread section (241).

7. The clip fall prevention lock according to claim 5, wherein the connecting portion (24) is pressed against the anchor member (30), the connecting portion (24) is connected to one end of the fastening portion (23), and the other end of the fastening portion (23) is connected to the clamping portion (22).

8. The clip fall prevention lock according to claim 2, wherein the groove (11) is formed in a wedge-shaped structure that rises from the center to the outer periphery, and the holding portion (22) is engaged with the groove (11).

9. The lock capable of preventing the clip from falling off according to claim 1, further comprising a tray (50), wherein the tray (50) is provided with a tray hole (51), and the cable body (40) is connected with the tray (50) through the tray hole (51); the anchor device piece (30) is arranged on one side of the tray (50) in a pressing mode, and the other side of the tray (50) is arranged on a rock body (60) in a pressing mode.

10. The clip-pop preventing lock according to claim 1, wherein the clamping member (10) comprises a plurality of clips, each clip being connected end-to-end in sequence and being arranged in the connecting hole (31) of the anchor member (30) in a central symmetry.