CN218969767U - Anti-loose stay cable anchorage - Google Patents

Abstract

The utility model discloses a loose-proof stay cable anchorage device, which comprises: the anchor dish, clamping mechanism and shutoff mechanism, the taper hole has been seted up to the anchor dish and perforation, perforation and taper hole intercommunication, perforation, clamping mechanism and shutoff mechanism all supply the stay cable to pass, install clamping mechanism in the taper hole, clamping mechanism is used for pressing from both sides tight stay cable, installs shutoff mechanism by clamping mechanism, and shutoff mechanism compresses tightly clamping mechanism in the taper hole. The anti-loosening stay cable anchorage solves the problem that no structure in the prior art can plug clamping pieces in an anchoring disc in a conical hole.

Description

Anti-loose stay cable anchorage

Technical Field

The utility model relates to an anchor, in particular to an anti-loosening stay cable anchor.

Background

In order to achieve tensioning of the stay cables of the bridge, stay cable anchors are required, and thus are indispensable devices when the stay cable ends are fixed.

In the prior art, the stay cable anchorage device comprises: the anchor dish, clamping piece and elastic ring, the elastic ring adopts elastic rubber material to make, and the elastic ring encircles the big end at two clamping pieces, and two clamping pieces and an elastic ring are a set of clamping assembly, and anchor dish one end face is sunken to form the perforation, and anchor dish another terminal surface is sunken to form the bell mouth, and the bell mouth communicates with the perforation, and perforation and bell mouth all supply the stay cable to pass, installs the clamping piece in the bell mouth, and the bell mouth tip is connected with the perforation, and the big end of bell mouth outwards extends, and the appearance of clamping piece matches with the shape of bell mouth inner wall. In the prior art, the clamping piece and the elastic ring are firstly placed in the conical hole, and the small end of the clamping piece is in an open state due to the elasticity of the elastic ring; then, the stay cable passes through the clamping piece and the perforation; and finally, stamping the clamping piece by using a stamping mechanism, extruding the clamping piece into the conical hole, and clamping the stay cable more so as to ensure that the anchor disc pulls the stay cable. Although it is possible to achieve that the anchor plate pulls the stay cable by means of the clips, the disadvantages still remain:

in the structure, as no structure is used for plugging the clamping piece in the anchoring disc in the conical hole, the clamping piece is easy to move outwards from the conical hole after stamping is finished, the clamping piece does not have the extrusion effect of the inner wall of the conical hole, the clamping piece and the clamping part of the stay cable are easy to loosen, the stay cable is easy to separate, and the bridge safety is low.

Disclosure of Invention

The utility model provides an anti-loosening stay cable anchor which solves the problem that no structure exists in the prior art and can plug clamping pieces in an anchor disc in a conical hole.

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

the utility model discloses a loose-proof stay cable anchorage device, which comprises: the anchor dish, clamping mechanism and shutoff mechanism, the taper hole has been seted up to the anchor dish and perforation, perforation and taper hole intercommunication, perforation, clamping mechanism and shutoff mechanism all supply the stay cable to pass, install clamping mechanism in the taper hole, clamping mechanism is used for pressing from both sides tight stay cable, installs shutoff mechanism by clamping mechanism, and shutoff mechanism compresses tightly clamping mechanism in the taper hole.

Preferably, the plugging mechanism comprises: the plugging disc is connected with the anchoring disc through the screw, the plugging disc is provided with the compacting head, the compacting head and the plugging disc are both provided for the stay cable to pass through, and the compacting head compacts the clamping mechanism in the conical hole.

Preferably, a disc spring is pressed between the pressing head and the clamping mechanism, and the disc spring is penetrated by the stay cable.

Preferably, a sleeve is mounted between the blocking disk and the anchor disk, through which sleeve the connecting screw passes.

Preferably, the sleeve is fixed with the plugging disc, no gap is reserved between the sleeve and the plugging disc, and a first sealing ring is tightly pressed between the sleeve and the anchoring disc.

Preferably, the connecting screw is in threaded connection with the anchor disc, and a second sealing ring is tightly pressed between the large end of the connecting screw and the plugging disc.

Preferably, the compressing head is a hollow bolt and is in threaded connection with the plugging disc.

Preferably, the pressing head includes: compress tightly section and screw thread section, compress tightly section one end and compress tightly clamping mechanism, compress tightly the section other end and be connected to the screw thread section, compress tightly the external diameter of section and be less than the maximum diameter of screw thread section.

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

through setting up shutoff mechanism, realized installing shutoff mechanism after pressing from both sides clamping mechanism punching press in the bell mouth, shutoff mechanism with clamping mechanism shutoff in the bell mouth of anchor dish, avoided clamping mechanism and anchor dish to take place the displacement, guarantee that the bell mouth inner wall can be continuous extrusion clamping mechanism always on the anchor dish, avoid clamping mechanism and bell mouth to take place the displacement and lead to not having the anchor effect, guarantee that clamping mechanism can press from both sides the suspension cable always, the risk that clamping mechanism and suspension cable break away from appears, guarantee to press from both sides the work of tight suspension cable can go on smoothly, the security of suspension cable bridge has been improved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a cross-sectional view of a stay cable anchor.

Reference numerals: the anchoring disc 1, the clamping mechanism 2, the elastic ring 21, the clamping piece 22, the plugging mechanism 3, the plugging disc 31, the connecting screw 32, the pressing head 33, the pressing section 331, the threaded section 332, the sleeve 34, the first sealing ring 35, the second sealing ring 36 and the disc spring 4.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model more clear and easy to understand, the present utility model is further described below with reference to the accompanying drawings and the detailed description:

as shown in fig. 1, the present utility model discloses a loose-proof stay cable anchor comprising: the anchor disc 1, clamping mechanism 2 and shutoff mechanism 3, the taper hole and perforation have been seted up to anchor disc 1, perforation and taper hole intercommunication, perforation, clamping mechanism 2 and shutoff mechanism 3 all supply the suspension cable to pass, install clamping mechanism 2 in the taper hole, clamping mechanism 2 is used for pressing from both sides tight suspension cable, install shutoff mechanism 3 at clamping mechanism 2 side, shutoff mechanism 3 compresses tightly clamping mechanism 2 in the taper hole.

The plugging mechanism 3 includes: the plugging disc 31, the connecting screw 32 and the compressing head 33, the plugging disc 31 is connected with the anchoring disc 1 through the screw, the compressing head 33 is arranged on the plugging disc 31, the compressing head 33 and the plugging disc 31 are all used for the stay cable to pass through, and the compressing head 33 compresses the clamping mechanism 2 in the conical hole. The plugging disc 31 is installed on one side of the anchoring disc 1, where the clamping mechanism 2 is arranged, by the aid of the connecting screws 32, at least two plugging discs 31 are arranged, and connection firmness of the plugging disc 31 and the anchoring disc 1 is guaranteed. After the plugging disc 31 and the fixed disc are positioned, the pressing head 33 is arranged, so that the clamping mechanism 2 is pressed in the conical hole by the pressing head 33.

A disc spring 4 is pressed between the pressing head 33 and the clamping mechanism 2, and the disc spring 4 is penetrated by the stay cable. The disc spring 4 is stressed greatly, so that the pressing head 33 can sufficiently press the pressing mechanism.

A sleeve 34 is mounted between the blocking disk 31 and the anchor disk 1, the sleeve 34 being penetrated by a connecting screw 32. The sleeve 34 is fitted over the coupling screw 32 to protect the coupling screw 32.

The sleeve 34 is fixed with the plugging disc 31, no gap exists between the sleeve 34 and the plugging disc 31, and a first sealing ring 35 is pressed between the sleeve 34 and the anchoring disc 1. Through setting up sleeve 34 and shutoff dish 31 in the integrated into one piece in the mould when the preparation to guarantee that there is not the gap between sleeve 34 and the shutoff dish 31, the gap between sleeve 34 and the anchor dish 1 can not intaking in the setting of first sealing washer 35, makes connecting screw 32 corrosion damage after avoiding water to get into.

The connecting screw 32 is in threaded connection with the anchoring disc 1, and a second sealing ring 36 is tightly pressed between the large end of the connecting screw 32 and the plugging disc 31. The second sealing ring 36 prevents water from entering from the gap between the connecting screw 32 and the plugging disc 31, the outside of the connecting screw 32 is sealed in a double way, water is prevented from entering into the threaded connection part of the connecting screw 32 and the anchoring disc 1, the connecting screw 32 is prevented from being rusted due to water entering, and the service life of the connecting screw 32 is prolonged.

The compressing head 33 is a hollow bolt, and the compressing head 33 is in threaded connection with the plugging disc 31. The model of the pressing head 33 is selected so that the pressing head 33 can be mounted on the plugging disc 31, and the pressing head 33 cannot move on the plugging disc 31, so that the pressing effect of the pressing head 33 on the clamping mechanism 2 is ensured.

The pressing head 33 includes: the clamping mechanism comprises a pressing section 331 and a threaded section 332, wherein one end of the pressing section 331 presses the clamping mechanism 2, the other end of the pressing section 331 is connected to the threaded section 332, and the outer diameter of the pressing section 331 is smaller than the maximum diameter of the threaded section 332. The outer diameter of the compression section 331 of the compression head 33 is small so that the compression head 33 is easily inserted into the plugging tray 31.

The clamping mechanism 2 includes: the two clamping pieces 22 are surrounded outside the stay cable, the large end of the clamping piece 22 is surrounded by the elastic ring 21, and the elastic ring 21 is used for keeping the small end of the clamping piece 22 in an open state.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (8)

1. An anti-loose stay cable anchor, comprising: the anchor disc (1), clamping mechanism (2) and shutoff mechanism (3), the bell mouth and perforation have been seted up to anchor disc (1), perforation and bell mouth intercommunication, perforation, clamping mechanism (2) and shutoff mechanism (3) all supply the suspension cable to pass, install clamping mechanism (2) in the bell mouth, clamping mechanism (2) are used for pressing from both sides tight suspension cable, install shutoff mechanism (3) next to clamping mechanism (2), shutoff mechanism (3) compress tightly clamping mechanism (2) in the bell mouth.

2. A stay cable anchor according to claim 1, wherein the plugging mechanism (3) comprises: the sealing disc (31), the connecting screw (32) and the compressing head (33), the sealing disc (31) is connected with the anchoring disc (1) through the screw, the compressing head (33) is arranged on the sealing disc (31), the compressing head (33) and the sealing disc (31) are all provided for the stay cable to pass through, and the compressing head (33) compresses the clamping mechanism (2) in the conical hole.

3. A stay cable anchor according to claim 2, characterized in that a disc spring (4) is pressed between the pressing head (33) and the clamping mechanism (2), the disc spring (4) being penetrated by the stay cable.

4. A stay cable anchor according to claim 3, characterized in that a sleeve (34) is mounted between the blocking disc (31) and the anchoring disc (1), the sleeve (34) being penetrated by the connecting screw (32).

5. The anti-loosening stay cable anchorage according to claim 4, wherein the sleeve (34) is fixed with the plugging disc (31), no gap exists between the sleeve (34) and the plugging disc (31), and a first sealing ring (35) is pressed between the sleeve (34) and the anchoring disc (1).

6. The anti-loosening stay cable anchorage according to claim 5, wherein the connecting screw (32) is in threaded connection with the anchor disc (1), and a second sealing ring (36) is compressed between the large end of the connecting screw (32) and the plugging disc (31).

7. The anti-loosening stay cable anchorage according to claim 6, wherein the compression head (33) is a hollow bolt, and the compression head (33) is in threaded connection with the plugging disc (31).

8. A stay cable anchor according to claim 7, wherein the compression head (33) comprises: compress tightly section (331) and screw thread section (332), compress tightly section (331) one end and compress tightly clamping mechanism (2), compress tightly section (331) other end and be connected to screw thread section (332), compress tightly the external diameter of section (331) and be less than the maximum diameter of screw thread section (332).

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