CN219241958U

CN219241958U - Auxiliary clamping sleeve for realizing tensioning self-locking of umbrella-shaped anchor

Info

Publication number: CN219241958U
Application number: CN202223401764.0U
Authority: CN
Inventors: 张述涛; 彭君; 熊勇; 胡胜刚; 程永辉; 任佳丽; 徐康达; 陈涛; 陈航; 王汉武; 张楠
Original assignee: Civil Aviation Central South Airport Design And Research Institute Guangzhou Co ltd
Current assignee: Civil Aviation Central South Airport Design And Research Institute Guangzhou Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-23
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses an auxiliary clamping sleeve for realizing tensioning and self-locking of umbrella-shaped anchors, which comprises a rigid sleeve, an adjusting washer, an embedded elastomer, slips, a slip base and an anchor rod reserved through hole, wherein the adjusting washer is positioned at the inner bottom of the rigid sleeve, the embedded elastomer is placed in the rigid sleeve and at the top of the adjusting washer, the slips are placed at the top of the embedded elastomer, the slip base is sleeved on the periphery of the top of the slips, and a flaring end cover of the slip base is arranged on the rigid sleeve. The umbrella-shaped anchor tensioning self-locking auxiliary clamping sleeve has the advantages of simple structure, simple principle, no need of manufacturing complex structural parts, easy assembly and disassembly, and repeated use; the umbrella-shaped anchor tensioning self-locking auxiliary clamping sleeve can better realize the locking of prestress, and the loss of prestress is reduced; consider tool to lock and supplementary cover utensil contact problem, set up the elastomer contact layer, protection tool to lock structure that can be better reduces the damage.

Description

Auxiliary clamping sleeve for realizing tensioning self-locking of umbrella-shaped anchor

Technical Field

The utility model belongs to the technical field of rock-soil anchoring, and particularly relates to an auxiliary clamping sleeve for realizing tensioning self-locking of an umbrella-shaped anchor.

Background

The anchor rod technology in the rock soil is widely applied to the engineering fields of mine roadways, bridge foundations, power transmission towers, offshore platforms and the like, and the bearing capacity is a key for determining the safety and stability of the engineering; the method for applying the prestress effectively improves the bearing capacity of the anchor rod structure and slows down the sliding displacement of the anchor rod structure, and is an efficient and convenient technical method.

At present, experimental analysis is an important research means for analyzing the tensioning and locking of an anchor rod; however, the indoor test generally hardly simulates a real soil sample, and the research on the mechanical characteristics of the tensioning and locking of the actual anchor rod is difficult;

in order to test and discuss the performance of the anchor rod stretching locking lockset, the main research method at present is a field test method; aiming at the characteristics of complex field test variables and numerous influence factors, a lockset structure which can well complete stretching and locking operation of an anchor rod and is simple and convenient is lacking at present; based on the background, the utility model discloses an anchor rod tensioning locking lockset so as to accurately and rapidly solve the problem of tensioning locking of the anchor rod.

Through searching, the Chinese utility model patent with the patent application number of CN20220649633.5 and the publication number of CN217204054U relates to the research and development of an anchor cable tensioning and locking device; the bearing platform is provided for the jack and the clamping pieces in each direction by arranging the base plate and the auxiliary plate so as to realize tensioning and locking of the prestress of the anchor cable; simultaneously, two openings are formed so as to facilitate the disassembly of the tensioning device and improve the adaptability; the tensioning locking device developed by the patent still has more component structures and is complex to operate.

Chinese patent application No. CN201220713791.9, publication No. CN203031764U, which relates to a device for locking and releasing tension without damage, wherein the device locks prestress and realizes the releasing tension without damage by using mechanical principle, and locks and releases prestress by positioning or releasing a slide block by means of an external jack bolt; although the patent is ingenious and concise, under the condition of high load, whether the release of the bolt is simple and convenient has a certain problem, and the damage of the rod body is easy to cause under the condition of larger load due to the direct contact with the rod body of the anchor rod.

The utility model patent application number CN202020332966.6, the Chinese patent of publication number CN212642161U, involve a kind of accurate stretch-draw locks the stop device, this patent controls the telescopic screw rod to squeeze the clip into anchor plate through inserting the torsion spanner into torsion hole, make clip, anchor rib and anchor plate three close, and limit the displacement of clip through the said clip, can very big reduce anchor rib stress and anchor rib wearing and tearing, thus accurate stretch-draw locks the prestressing force; however, the structure of the patent is precise and complex, the operation cannot be effectively simplified, and the simple tensioning is realized.

The prior art solves the problem of tensioning and locking the anchor rod to a certain extent, and mainly has the following problems:

the lockset has a complex structure, realizes the complex prestress locking and Zhang Liucheng releasing of the anchor rod, and does not meet the requirement of quick construction; loss exists in locking prestress, and lossless tensioning is difficult to realize; the lockset structure is in direct contact with the anchor rod, so that the loss of the rod body is easy to cause.

Disclosure of Invention

The utility model aims to provide an auxiliary clamping sleeve for realizing tensioning and self-locking of an umbrella-shaped anchor, which can better realize tensioning and locking of prestress of an anchor rod, conveniently, quickly and accurately complete tensioning and locking operation of the anchor rod, and simultaneously consider the problem of lockset damage, and a rubber cushion layer is arranged on a contact surface, so that the completeness of a lockset structure is better protected, and the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an realize umbrella-shaped anchor stretch-draw from supplementary cutting ferrule of locking, includes rigid sleeve, adjusting washer, embedded elastomer, still includes slips, slips base and stock reservation through-hole, adjusting washer is located the rigid sleeve inner bottom, embedded elastomer has been placed at the rigid sleeve inner and be located adjusting washer top, the slips has been placed at embedded elastomer top, slips top peripheral cover is equipped with slips base, slips base bottom lid is located on the rigid sleeve.

Further, rigid sleeve, adjusting washer, embedded elastomer, its characterized in that still includes slips, slips base and stock reservation through-hole, adjusting washer is located the rigid sleeve inner bottom, embedded elastomer has been placed at the rigid sleeve inner and in the adjusting washer top, embedded elastomer top has placed the slips, slips top peripheral cover is equipped with the slips base, slips base bottom lid is located on the rigid sleeve.

Furthermore, anchor rod reserved through holes are formed in the centers of the rigid sleeve, the adjusting gasket, the embedded elastic body, the slips and the slip base in a penetrating mode, and anchor rods are inserted into the anchor rod reserved through holes.

Further, the rigid sleeve is a hollow cylindrical steel cylinder with a penetrating bottom surface.

Further, the adjusting washer is a circular steel sheet.

Further, the embedded elastomer is a hollow cylindrical rubber body.

Compared with the prior art, the utility model has the beneficial effects that:

1. the umbrella-shaped anchor tensioning self-locking auxiliary clamping sleeve has the advantages of simple structure, simple principle, no need of manufacturing complex structural parts, easy assembly and disassembly, and repeated use;

2. the umbrella-shaped anchor tensioning self-locking auxiliary clamping sleeve can better realize the locking of prestress, and the loss of prestress is reduced;

3. consider tool to lock and supplementary cover utensil contact problem, set up the elastomer contact layer, protection tool to lock structure that can be better reduces the damage.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an auxiliary ferrule for realizing tensioning self-locking of an umbrella-shaped anchor.

Fig. 2 is a schematic cross-sectional view of an auxiliary ferrule for realizing self-locking of an umbrella-shaped anchor.

Fig. 3 is a schematic cross-sectional view of an auxiliary ferrule for realizing self-locking of an umbrella-shaped anchor.

Fig. 4 is a schematic diagram of a rigid sleeve structure of an auxiliary ferrule for realizing tensioning self-locking of an umbrella-shaped anchor according to the present utility model.

In the figure: 1. a rigid sleeve; 2. an adjusting washer; 3. an embedded elastomer; 4. reserving a through hole on the anchor rod; 5. a slip; 6. a slip base; 7. and (5) anchoring rods.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1-4, an auxiliary clamping sleeve for realizing umbrella-shaped anchor tensioning self-locking comprises a rigid sleeve 1, an adjusting washer 2, an embedded elastomer 3, a slip 5, a slip base 6 and an anchor rod reserved through hole 4, wherein the adjusting washer 2 is positioned at the inner bottom of the rigid sleeve 1, the embedded elastomer 3 is positioned in the rigid sleeve 1 and at the top of the adjusting washer 2, the slip 5 is positioned at the top of the embedded elastomer 3, the slip base 6 is sleeved at the periphery of the top of the slip 5, the bottom of the slip base 6 is covered on the rigid sleeve 1, the anchor rod reserved through hole 4 is formed by penetrating through the central parts of the rigid sleeve 1, the adjusting washer 2, the embedded elastomer 3, the slip 5 and the slip base 6, an anchor rod 7 is inserted into the anchor rod reserved through hole 4, and the bottom of the slip base 6 is covered on the rigid sleeve 1.

Wherein, the rigid sleeve 1 is a hollow cylindrical steel cylinder with a penetrating bottom surface; the adjusting washer 2 is a round-ring steel sheet; the embedded elastomer is a hollow cylindrical rubber body, the auxiliary clamping sleeve capable of being automatically locked by tensioning the umbrella-shaped anchor can be detached and assembled, the umbrella-shaped anchor is convenient to use and store, before tensioning the anchor rod, the adjusting gasket 2 is placed at the bottom of the rigid sleeve 1, the embedded elastomer 3 is placed inside the rigid sleeve 1 and is contacted with the elastic gasket 2, the umbrella-shaped anchor is automatically locked by tensioning the anchor rod, when the anchor rod is tensioned, the assembled auxiliary clamping sleeve penetrates through the anchor rod and is installed between the umbrella-shaped anchor clamp and the jack, the bottom surface of the rigid sleeve 1 is contacted with the jack, the jack pushes the rigid sleeve 1 in the tensioning process, the rigid sleeve 1 evenly transmits load to the embedded elastomer 3 through the adjusting gasket 2, the embedded elastomer 3 continuously adjusts the position of the slip, and the slip is evenly wedged into the slip base to lock pretension.

The application method of the auxiliary cutting ferrule for realizing tensioning self-locking of the umbrella-shaped anchor comprises the following steps:

step one: according to the actual construction requirement, the adjusting washer 2 is placed at the bottom of the rigid sleeve 1, the embedded elastomer 3 is placed inside the rigid sleeve 1 and is contacted with the elastic washer 2, and the umbrella-shaped anchor tensioning self-locking auxiliary clamping sleeve is formed;

step two: the assembled auxiliary clamping sleeve penetrates through the anchor rod and is arranged between the umbrella-shaped anchor clamp and the jack, and the bottom surface of the rigid sleeve is contacted with the jack;

step three: and applying tensioning load to the anchor rod, pushing the auxiliary clamping sleeve by the jack to generate displacement along the axis of the anchor rod, transmitting the load to the embedded elastic body 3, continuously adjusting the position of the slips by deformation of the embedded elastic body 3, and uniformly wedging the slips into the slip base until the slips reach a locking state, thereby completing the locking of pretension.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an realize umbrella anchor stretch-draw from supplementary cutting ferrule of locking, includes rigid sleeve (1), adjusts packing ring (2), embedded elastomer (3), its characterized in that still includes slips (5), slips base (6) and stock reservation through-hole (4), adjust packing ring (2) and be located the interior bottom of rigid sleeve (1), embedded elastomer (3) have been placed at rigid sleeve (1) and be located adjustment packing ring (2) top, slips (5) have been placed at embedded elastomer (3) top, slips (5) top peripheral cover is equipped with slips base (6), slips base (6) bottom lid is located on rigid sleeve (1).

2. An auxiliary ferrule for realizing self-locking of umbrella-shaped anchor tensioning as claimed in claim 1, wherein: the novel anchor rod is characterized in that anchor rod reserved through holes (4) are formed in the centers of the rigid sleeve (1), the adjusting gasket (2), the embedded elastic body (3), the slips (5) and the slip base (6) in a penetrating mode, and anchor rods (7) are inserted into the anchor rod reserved through holes (4).

3. An auxiliary ferrule for realizing self-locking of umbrella-shaped anchor tensioning as claimed in claim 1, wherein: the rigid sleeve (1) is a hollow cylindrical steel cylinder with a penetrating bottom surface.

4. An auxiliary ferrule for realizing self-locking of umbrella-shaped anchor tensioning as claimed in claim 1, wherein: the adjusting washer (2) is a circular ring steel sheet.

5. An auxiliary ferrule for realizing self-locking of umbrella-shaped anchor tensioning as claimed in claim 1, wherein: the embedded elastomer (3) is a hollow cylindrical rubber body.