CN111794123A

CN111794123A - Split type prestressed anchorage utensil

Info

Publication number: CN111794123A
Application number: CN202010847972.XA
Authority: CN
Inventors: 汪龙飞
Original assignee: Nanjing Huimei E Commerce Co ltd
Current assignee: Nanjing Huimei E Commerce Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2020-10-20

Abstract

The invention discloses a split type prestressed anchorage device, relates to the technical field of prestressed anchorage devices, and aims to solve the problem that the recovery rate of a steel strand is reduced due to difficulty in anchor withdrawal of the existing prestressed anchorage device. Be provided with the components of a whole that can function independently clamping piece on the outer wall of anchor ring, and the components of a whole that can function independently clamping piece is provided with threely, the fixed anchor eye that is provided with in inside of anchor ring, and the anchor eye is provided with threely, threely the inside of anchor eye all is provided with the components of a whole that can function independently tighrening ring, be provided with the recess on the anchor ring, the fixed rubber pad that is provided with of inner wall of recess, the fixed guide bar that is provided with in one side of anchor ring, and the guide bar is provided with two, two one side of guide bar is all fixed and is provided with the second telescopic link, the inside of recess is provided with first telescopic link, the one end and the second telescopic link fixed connection of first telescopic link.

Description

Split type prestressed anchorage utensil

Technical Field

The invention relates to the technical field of prestressed anchorage devices, in particular to a split type prestressed anchorage device.

Background

The prestressed anchorage is an anchorage suitable for prestressed concrete stretching in engineering construction. Generally, the method is often used in bridge construction, the positioning is carried out in advance, then concrete is poured and buried at two ends of the concrete, namely two ends of a corrugated pipe, and the end faces are arranged for the stabilizing effect of a jack during tensioning. Anchors can be divided into two categories: (a) tensioning end anchorage: the anchorage device is arranged at the end part of a prestressed tendon and can be used for tensioning anchorage devices, also called prestressed anchorage devices, and is an anchorage device which is used for maintaining the tensile force of the prestressed tendon and transmitting the tensile force to mixed tension in a post-tensioning structure or a post-tensioning member; (b) fixing an anchor: installed at the ends of tendons, usually buried in concrete and without anchors for tensioning. The method is widely applied to project engineering such as highway bridges, railway bridges, urban overpasses, urban light rails, high-rise buildings, hydraulic and hydroelectric dams, ports and wharfs, rock slope protection anchoring, pre-stressed net frames, subways, large buildings, warehouses, towers, supports, bridge and building reinforcement, steel bar engineering, external pre-stressed engineering, stay cables, suspension cables and the like.

The existing prestressed anchorage device reduces the recovery rate of the steel strand due to the difficulty in anchor withdrawal; therefore, the existing requirements are not met, and a split type prestress anchorage device is provided for the requirements.

Disclosure of Invention

The invention aims to provide a split type prestressed anchorage device, which solves the problem that the recovery rate of a steel strand is reduced due to difficulty in anchor withdrawal of the existing prestressed anchorage device in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a split type prestressed anchorage utensil, includes the anchor ring, be provided with the components of a whole that can function independently clamping piece on the outer wall of anchor ring, and the components of a whole that can function independently clamping piece is provided with threely, the fixed anchor eye that is provided with in inside of anchor ring, and the anchor eye is provided with threely, threely the inside of components of a whole that can function independently tighrening ring all is provided with steel strand wires, be provided with the recess on the anchor ring, the fixed rubber pad that is provided with of inner wall of recess, the fixed guide bar that is provided with in one side of anchor ring, and the guide bar is provided with two, two one side of guide bar all is fixed and is provided with the second telescopic link, the inside of recess is provided with first telescopic link, the one end and the second telescopic link fixed.

Preferably, the two ends of the split clamping pieces are fixedly provided with connecting lugs, the split clamping pieces are fixedly connected through fixing bolts, and the fixing bolts are fixedly connected with the connecting lugs through nuts.

Preferably, the inner walls of the three split clamping pieces are fixedly provided with wear-resistant layers, and the inner wall of the anchor hole is fixedly provided with an anti-skid layer.

Preferably, adjusting rods are arranged among the three split fastening rings and are fixedly connected with the split fastening rings through adjusting grooves.

Preferably, the second telescopic link passes through clamp and steel strand wires fixed connection, the inner wall of clamp is fixed and is provided with the sponge layer.

Preferably, the other end of the first telescopic rod is fixedly connected with the rubber pad through a buffer spring.

Compared with the prior art, the invention has the beneficial effects that:

1. the split clamping pieces are arranged, so that the assembly and disassembly of the anchor ring are facilitated, the anchor holes of various types can be assembled, the wear-resistant layers on the inner walls of the split clamping pieces have a wear-resistant effect, the service life of the anchor ring is prolonged, the correction effect is achieved through the matching of the adjusting rods and the adjusting grooves, the distance between the three split fastening rings is ensured, the steel strand is firmly clamped, the anti-slip layers play an effective anti-slip effect, the three split fastening rings are prevented from moving easily, and the steel strand cannot be fastened effectively.

2. Through the setting of first telescopic link and second telescopic link, the concertina movement in opposite directions that carries on of two second telescopic links can make the clamp press from both sides the steel strand wires tightly, is convenient for move back the anchor with the steel strand wires, and the sponge layer has played the effect of protection, through the flexible of first telescopic link, can drive the steel strand wires and move back the anchor, need not manually and moves back the anchor, and labour saving and time saving has improved recovery efficiency, and buffer spring and rubber pad have played effectual cushioning effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic right sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the regulating groove of the present invention;

FIG. 4 is a schematic view of a sponge layer structure of the present invention;

FIG. 5 is an enlarged view of the part A of the present invention;

in the figure: 1. an anchor ring; 2. a split clamping piece; 3. connecting lugs; 4. fixing the bolt; 5. a nut; 6. a wear layer; 7. an anchor eye; 8. a split fastening ring; 9. steel strand wires; 10. an anti-slip layer; 11. adjusting a rod; 12. an adjustment groove; 13. a first telescopic rod; 14. a guide bar; 15. a second telescopic rod; 16. clamping a hoop; 17. a sponge layer; 18. a groove; 19. a rubber pad; 20. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an embodiment of the present invention is shown: a split type prestressed anchorage device comprises an anchor ring 1, a split type clamping piece 2 is arranged on the outer wall of the anchor ring 1, and three split clamping pieces 2 are arranged, the anchor holes 7 are fixedly arranged in the anchor ring 1, the anchor holes 7 are three, split fastening rings 8 are arranged in the three anchor holes 7, and three split fastening rings 8 are arranged, the inside of each of the three split fastening rings 8 is provided with a steel strand 9, the anchor ring 1 is provided with a groove 18, the inner wall of the groove 18 is fixedly provided with a rubber pad 19, the rubber pad 19 has certain elasticity and plays a role of buffering, one side of the anchor ring 1 is fixedly provided with a guide rod 14, and the number of the guide rods 14 is two, one side of each of the two guide rods 14 is fixedly provided with a second telescopic rod 15, a first telescopic rod 13 is arranged in the groove 18, and one end of the first telescopic rod 13 is fixedly connected with the second telescopic rod 15.

Furthermore, both ends of the three split clamping pieces 2 are fixedly provided with the connecting lugs 3, the three split clamping pieces 2 are fixedly connected through the fixing bolts 4, the fixing bolts 4 are fixedly connected with the connecting lugs 3 through the nuts 5, the fixing bolts 4 are installed in the connecting lugs 3, the three split clamping pieces 2 can fix the anchor ring 1 more firmly, and the nuts 5 play a role in fastening the fixing bolts 4.

Further, the inner wall of three components of a whole that can function independently clamping piece 2 is all fixed and is provided with wearing layer 6, and the inner wall of anchor eye 7 is fixed and is provided with skid resistant course 10, and wearing layer 6 has wear-resisting effect, has improved anchor ring 1's life, and skid resistant course 10 has played effectual antiskid effect, avoids the easy activity of three components of a whole that can function independently tighrening ring 8, can not carry out effectual fastening to the steel strand wires.

Furthermore, adjusting rods 11 are arranged among the three split fastening rings 8, the adjusting rods 11 are fixedly connected with the split fastening rings 8 through adjusting grooves 12, and the adjusting rods 11 are matched with the adjusting grooves 12 to achieve the correcting effect, so that the space between the three split fastening rings 8 is ensured, and the steel strand is clamped firmly.

Further, second telescopic link 15 passes through clamp 16 and steel strand wires 9 fixed connection, and the inner wall of clamp 16 is fixed and is provided with sponge layer 17, and clamp 16 can press from both sides steel strand wires 9 tightly, is convenient for move back the anchor with steel strand wires 9, and sponge layer 17 has played the effect of protection.

Further, the other end of the first telescopic rod 13 is fixedly connected with a rubber pad 19 through a buffer spring 20, and the buffer spring 20 plays a role in buffering.

The working principle is as follows: when the steel strand anchoring device is used, the steel strand 9 penetrates through the anchor hole 7, the three split clamping pieces 2 are arranged, the assembly and the disassembly of the anchor ring 1 are convenient, the anchor holes 7 of various types can be assembled, the wear-resistant layers 6 on the inner walls of the split clamping pieces 2 have a wear-resistant effect, the service life of the anchor ring 1 is prolonged, the correction effect is achieved through the matching of the adjusting rod 11 and the adjusting groove 12, the distance between the three split fastening rings 8 is ensured, the steel strand 9 is firmly clamped, the anti-slip layer 10 has an effective anti-slip effect, the three split fastening rings 8 are prevented from moving easily, the steel strand 9 cannot be effectively fastened, the two second telescopic rods can perform opposite telescopic movement through the arrangement of the first telescopic rod 13 and the second telescopic rod 15, the clamp can clamp the steel strand 9 tightly, the steel strand 9 is convenient to be withdrawn from anchoring, the sponge layer 17 plays a protective role, and can be retracted through the first telescopic rod 13, can drive steel strand wires 9 and move back the anchor, need not manual anchor that moves back, labour saving and time saving, buffer spring 20 and rubber pad 19 have played effectual cushioning effect.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a split type prestressed anchorage utensil, includes anchor ring (1), its characterized in that: the anchor ring is characterized in that split clamping pieces (2) are arranged on the outer wall of the anchor ring (1), three split clamping pieces (2) are arranged, anchor holes (7) are fixedly arranged in the anchor ring (1), three anchor holes (7) are arranged, split fastening rings (8) are arranged in the three anchor holes (7), three split fastening rings (8) are arranged in the three split fastening rings (8), steel strands (9) are arranged in the three split fastening rings (8), a groove (18) is arranged on the anchor ring (1), a rubber pad (19) is fixedly arranged on the inner wall of the groove (18), guide rods (14) are fixedly arranged on one side of the anchor ring (1), two guide rods (14) are arranged, a second telescopic rod (15) is fixedly arranged on one side of each of the two guide rods (14), a first telescopic rod (13) is arranged in the groove (18), one end of the first telescopic rod (13) is fixedly connected with the second telescopic rod (15).

2. The split type prestressed anchorage of claim 1, wherein: the two ends of the split clamping pieces (2) are fixedly provided with connecting lugs (3), the split clamping pieces (2) are fixedly connected through fixing bolts (4), and the fixing bolts (4) are fixedly connected with the connecting lugs (3) through nuts (5).

3. The split type prestressed anchorage of claim 1, wherein: the inner walls of the three split clamping pieces (2) are fixedly provided with wear-resistant layers (6), and the inner walls of the anchor holes (7) are fixedly provided with anti-skid layers (10).

4. The split type prestressed anchorage of claim 1, wherein: adjusting rods (11) are arranged among the three split fastening rings (8), and the adjusting rods (11) are fixedly connected with the split fastening rings (8) through adjusting grooves (12).

5. The split type prestressed anchorage of claim 1, wherein: the second telescopic link (15) is fixedly connected with the steel strand (9) through a hoop (16), and a sponge layer (17) is fixedly arranged on the inner wall of the hoop (16).

6. The split type prestressed anchorage of claim 1, wherein: the other end of the first telescopic rod (13) is fixedly connected with a rubber pad (19) through a buffer spring (20).