CN211897799U

CN211897799U - Prestressed anchorage utensil clamping piece fastener

Info

Publication number: CN211897799U
Application number: CN201922021099.4U
Authority: CN
Inventors: 马公达; 马君彪
Original assignee: Siping Ovm Machinery Co ltd
Current assignee: Siping Ovm Machinery Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-11-10
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a prestressed anchorage clamping piece fastening device, which comprises an anchor plate, a plurality of steel stranded wires with the same structure and a plurality of pairs of clamping pieces with the same structure, the anchor plate is provided with a plurality of anchor holes with the same structure, and a plurality of the anchor holes are distributed on the anchor plate in an annular array, the utility model relates to the technical field of prestressed anchorage devices, the anchorage device clamping piece fastening device has simple structure and convenient use, increases the friction force of the clamping piece to the steel wire by arranging a friction layer in the clamping piece on the basis of the prior anchorage device clamping piece, thereby leading the fastening effect to be better, simultaneously arranging the external thread blocks on the paired clamping pieces, fixing the external thread blocks together by using the thread cap, thereby fasten the clamping piece in pairs, make its connection more firm to can increase the connection stability of the two through screw thread locking, avoid producing the not hard up condition because of vibrations.

Description

Prestressed anchorage utensil clamping piece fastener

Technical Field

The utility model relates to a prestressed anchorage utensil technical field specifically is a prestressed anchorage utensil clamping piece fastener.

Background

The prestressed anchorage is usually used in bridge construction, is pre-installed and positioned, then is poured with concrete and is buried at two ends of the concrete, namely two ends of the corrugated pipe, and is an end face arranged for the stabilizing effect of the jack during tensioning. The existing prestressed anchorage clamping pieces mostly adopt a conical hole type fixing structure, are convenient to install and simple in structure, however, the clamping pieces are not firmly fixed and easily slide out of holes when being installed in the mode, and the clamping pieces are easy to move due to the fact that no fixing equipment is arranged between the paired clamping pieces.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a prestressed anchorage utensil clamping piece fastener has solved current background technical problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a prestressed anchorage device clamping piece fastening device comprises an anchor plate, a plurality of steel stranded wires with the same structure and a plurality of pairs of clamping pieces with the same structure, wherein the anchor plate is provided with a plurality of anchor holes with the same structure, the anchor holes are distributed on the anchor plate in an annular array, the steel stranded wires penetrate through the anchor holes, the clamping pieces are clamped on the steel stranded wires in pairs respectively, and the clamping pieces are provided with a plurality of fastening structures with the same structure;

the fastening structure includes: the pair of friction layers with the same structure, the pair of external thread blocks with the same structure and the thread cap;

the pair of clamping pieces are provided with a pair of friction layers with the same structure on the opposite wall surfaces, the friction layers are both of sawtooth structures, the tail ends of the clamping pieces are provided with a pair of external thread blocks with the same structure, the thread caps are in threaded connection with the external thread blocks, and the thread caps are of annular structures and are provided with internal thread structures matched with the external thread blocks on the inner walls.

Preferably, a pre-embedded plate is installed on one side of the anchor plate, and a grouting hole is formed in the pre-embedded plate.

Preferably, one side of the embedded plate is provided with a steel threaded pipe, and the steel strands penetrate through the threaded pipe and respectively penetrate out of the anchor holes.

Preferably, the clamping pieces are all straight-cylindrical components with horn-shaped tail ends and horn-shaped front ends.

Preferably, the pair of external thread blocks are both thread blocks with arc-shaped structures, and anti-skid threads are arranged outside the thread cap.

Preferably, an outer sheath is arranged between the embedded plate and the threaded pipe, and one end of the outer sheath is of a horn-shaped structure, the diameter of the threaded pipe is matched with that of the outer sheath, and the other end of the outer sheath is matched with the anchor plate.

Advantageous effects

The utility model provides a prestressed anchorage utensil clamping piece fastener. The method has the following beneficial effects: this ground tackle clamping piece fastener simple structure, high durability and convenient use, on the basis of current ground tackle clamping piece, through set up the frictional layer in the clamping piece, increase the clamping piece to the frictional force of steel wire line, thereby make the fastening effect better, set up the external screw thread piece simultaneously on mated clamping piece, use the screw cap to fix the external screw thread piece together, thereby fasten mated clamping piece, make its connection more firm, and can pass through the screw thread locking, increase the connection stability of the two, avoid producing the not hard up condition because of vibrations.

Drawings

Fig. 1 is a schematic sectional view of a prestressed anchorage device clamping piece fastening device according to the present invention.

Fig. 2 is a schematic top view of the prestressed anchorage device clamping piece fastening device of the present invention.

Fig. 3 is a partially enlarged schematic view of the prestressed anchorage device clip fastening device shown in fig. 1 according to the present invention.

In the figure: 1. an anchor plate; 2. steel strand wires; 3. a clip; 4. a friction layer; 5. an external thread block; 6. a threaded cap; 7. pre-burying a plate; 8. grouting holes; 9. a threaded pipe; 10. an outer sheath; 11. and (4) an anchor hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as can be known from the attached drawings 1-3 of the specification, the clamp plate fastening device for the prestressed anchor comprises an anchor plate 1, a plurality of steel strands 2 with the same structure and a plurality of pairs of clamp plates 3 with the same structure, wherein the anchor plate 1 is provided with a plurality of anchor holes 11 with the same structure, the plurality of anchor holes 11 are distributed on the anchor plate 1 in an annular array, the plurality of steel strands 2 pass through the plurality of anchor holes 11, the plurality of pairs of clamp plates 3 are respectively clamped on the plurality of steel strands 2 in pairs, the plurality of pairs of clamp plates 3 are provided with a plurality of fastening structures with the same structure, in the specific implementation process, the anchor plate 1 is provided with a pre-embedded plate 7, the steel strands 2 which are wound together pass through the pre-embedded plate 7, the steel strands 2 with single strands pass through the anchor holes 11 respectively, and are clamped by the clamp plates 3 and then sent back to the anchor holes 11, the clamp plates 3 are pulled down to enter the anchor holes 11 under the action because, the anchor hole 11 is smaller than the clip 3, so that the clip 3 is extruded to fasten and lock the end of the steel strand 2, and the whole steel strand 2 is pulled through the annularly-arranged anchor hole 11;

in order to increase the firmness of the clip 3, the present disclosure provides a fastening structure, which can be seen from fig. 1 to 3 of the specification, the fastening structure includes: a pair of friction layers 4 with the same structure, a pair of external thread blocks 5 with the same structure and a thread cap 6, wherein the connection relationship and the position relationship are as follows;

a pair of friction layers 4 with the same structure are arranged on the opposite wall surfaces of the pair of clamping pieces 3, the pair of friction layers 4 are both of a zigzag structure, a pair of external thread blocks 5 with the same structure are arranged at the tail ends of the pair of clamping pieces 3, a thread cap 6 is in threaded connection with the pair of external thread blocks 5, the thread cap 6 is in an annular structure, and an internal thread structure matched with the pair of external thread blocks 5 is arranged on the inner wall of the thread cap 6;

in the specific implementation process, after a user buckles the pair of clamping pieces 3 at two sides of the steel strand 2, the friction force between the pair of clamping pieces 3 and the steel strand 2 is increased through the friction layers 4 on the opposite end surfaces, and the pair of external thread blocks 5 are connected together through the thread caps 6, so that the tail ends of the pair of clamping pieces 3 are locked, and the falling or loosening caused by force unloading of the clamping pieces and the steel strand is avoided;

to sum up, this ground tackle clamping piece 3 fastener simple structure, convenient to use, on current ground tackle clamping piece 3's basis, through set up frictional layer 4 in clamping piece 3, increase the clamping piece 3 to the frictional force of steel wire line, thereby make fastening effect better, set up external screw thread piece 5 simultaneously on mated clamping piece 3, use screw cap 6 to fix external screw thread piece 5 together, thereby fasten mated clamping piece 3, make its connection more firm, and can pass through the screw thread locking, increase the connection stability of the two, avoid producing the condition of becoming flexible because of vibrations.

As a preferred scheme, furthermore, a pre-embedded plate 7 is installed on one side of the anchor plate 1, grouting holes 8 are formed in the pre-embedded plate 7, the ground area is increased by using the pre-embedded plate 7, and the grouting holes 8 in the pre-embedded plate are used for completing filling, so that the operation is convenient.

Preferably, one side of the embedded plate 7 is provided with a steel threaded pipe 9, the steel strands 2 pass through the threaded pipe 9 and respectively penetrate out of the anchor holes 11, and the threaded pipe 9 is used for connecting external parts and providing protection.

Preferably, the plurality of pairs of clamping pieces 3 are all straight-cylindrical front-end trumpet-shaped members with tail ends, and the shapes of the front-end trumpet-shaped members are matched with the anchoring holes 11.

Preferably, the pair of external thread blocks 5 are both arc-shaped thread blocks, and the thread cap 6 is externally provided with anti-skid threads, so that the force application process is more labor-saving.

Preferably, an outer sheath 10 is arranged between the embedded plate 7 and the threaded pipe 9, and one end of the outer sheath 10 is of a horn-shaped structure, the diameter of the outer sheath is matched with that of the threaded pipe 9, and the other end of the outer sheath is matched with that of the anchor plate 1.

It is noted that, herein, 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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims

1. A prestressed anchorage clamping piece fastening device comprises an anchor plate (1), a plurality of steel stranded wires (2) with the same structure and a plurality of pairs of clamping pieces (3) with the same structure, and is characterized in that the anchor plate (1) is provided with a plurality of anchor holes (11) with the same structure, the anchor holes (11) are distributed on the anchor plate (1) in an annular array manner, the steel stranded wires (2) penetrate through the anchor holes (11), the clamping pieces (3) are clamped on the steel stranded wires (2) in pairs respectively, and the clamping pieces (3) are provided with a plurality of fastening structures with the same structure;

the fastening structure includes: a pair of friction layers (4) with the same structure, a pair of external thread blocks (5) with the same structure and a thread cap (6);

a pair of friction layer (4) that the structure is the same is seted up on the relative wall of clamping piece (3), and is a pair of friction layer (4) are the zigzag structure, and is a pair of clamping piece (3) end is equipped with a pair of external screw thread piece (5) that the structure is the same, screw cap (6) threaded connection is a pair of on external screw thread piece (5), internal thread structure that matches with a pair of external screw thread piece (5) is seted up for annular structure and inner wall in screw cap (6).

2. The prestressed anchorage clip fastening device according to claim 1, wherein the anchor plate (1) is provided with a pre-embedded plate (7) on one side and a grouting hole (8) thereon.

3. The prestressed anchorage clamping piece fastening device according to claim 2, wherein a steel threaded pipe (9) is provided on one side of the embedded plate (7), and a plurality of steel strands (2) pass through the threaded pipe (9) and respectively pass through a plurality of the anchor holes (11).

4. The prestressed anchorage clip fastening device according to claim 1, wherein each of the pairs of clips (3) is a member having a cylindrical end and a flared front end.

5. The prestressed anchorage clamping piece fastening device according to claim 1, wherein each of the pair of external thread blocks (5) is an arc-shaped thread block, and the threaded cap (6) is externally provided with anti-slip threads.

6. The prestressed anchorage device clamping piece fastening device according to claim 3, wherein an outer sheath (10) is arranged between the pre-buried plate (7) and the threaded pipe (9), and the outer sheath (10) is of a horn-shaped structure, one end of the outer sheath is matched with the diameter of the threaded pipe (9), and the other end of the outer sheath is matched with the anchorage plate (1).