CN214882966U

CN214882966U - Prestressed anchorage utensil is used in public road bridge roof beam construction

Info

Publication number: CN214882966U
Application number: CN202121229768.8U
Authority: CN
Inventors: 李启明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-26
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a prestressed anchorage utensil is used in public road bridge roof beam construction relates to prestressed anchorage utensil technical field. The utility model discloses a backing plate, one side of backing plate is provided with the anchor ring, run through on the anchor ring and seted up a plurality of card hole, the inside of anchor ring runs through the card hole and is provided with the steel strand wires, the inside in card hole is provided with the splint that are used for pressing from both sides tight steel strand wires, one side of anchor ring is provided with the clamp plate that is used for compressing tightly splint. The utility model discloses when using, a plurality of and the corresponding hole groove of steel strand wires quantity are seted up to the lateral wall of clamp plate, and the steel strand wires all passes from the hole groove, let the clamp plate compress tightly the clamp plate, avoided splint and articulated long time atress of restricting to let splint follow dropping in the card hole, more stable carries out the centre gripping to the steel strand wires, and let the side groove looks joint of seting up on picture peg and the anchor ring that sets up on the clamp plate, realize the fixed to the clamp plate, it is more convenient to use.

Description

Prestressed anchorage utensil is used in public road bridge roof beam construction

Technical Field

The utility model relates to a prestressed anchorage utensil equipment technical field, concretely relates to prestressed anchorage utensil is used in public road bridge roof beam construction.

Background

The prestressed concrete is concrete which is applied with certain prestress in a tensile area of the concrete and generates certain compression deformation before a structure or a member bears a use load, the concrete can be divided into pre-tensioning prestressed concrete and post-tensioning prestressed concrete according to different prestressing modes, and an anchorage device is a fixing device for applying prestress to a prestressed tendon in the prestressed concrete member and plays an important role in prestressed concrete construction.

The existing prestressed anchorage device mostly adopts a steel strand to stretch and draw, and then the steel strand is clamped and fixed through an extrusion clamping plate, but the steel strand needs to bear huge pulling force in the using process, the steel strand is fixed only by the clamping force of the working clamping plate, so that the steel strand is easy to fall off, and the existing prestressed anchorage device for the construction of highway bridges needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving the problem that provides among the above-mentioned background art, the utility model provides a prestressed anchorage utensil is used in public road bridge roof beam construction.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a prestressed anchorage utensil is used in public road bridge roof beam construction, includes the backing plate, one side of backing plate is provided with the anchor ring, run through on the anchor ring and seted up a plurality of card hole, the inside of anchor ring runs through the card hole and is provided with the steel strand rope, the inside in card hole is provided with the splint that are used for pressing from both sides tight steel strand rope, one side of anchor ring is provided with the clamp plate that is used for compressing tightly splint, one side that the clamp plate is close to the anchor ring is provided with the picture peg that a plurality of is annular array and distributes, the side wall of anchor ring is offered the side wall that is used for pegging graft the picture peg, be provided with the joint spare that is used for limiting the clamp plate to remove in the side wall on the picture peg.

Further, the joint spare is including sliding the flat board that sets up in the inside of picture peg, dull and stereotyped one end fixed mounting has trapezoidal wedge, the both sides inclined plane of trapezoidal wedge all contacts there is square wedge, two square wedge runs through two lateral walls settings of picture peg respectively, the slot that is used for the square wedge of joint to keep away from inclined plane one end is all offered to two inside walls of side channel.

Further, the both sides of flat board are all fixed mounting have the slide, the two inside walls of picture peg are all offered and are used for the gliding bar groove of slide.

Furthermore, a movable plate is movably inserted into the upper end of the flat plate, and a notch for inserting the movable plate is formed in the bottom of the inserting plate.

Furthermore, the backing plate is close to the equal fixed mounting in both ends about one side of anchor ring has the fixed plate, the one end of fixed plate is provided with the locating part that is used for restricting anchor ring and removes.

Further, the locating part is including running through the threaded rod that the fixed plate set up, the one end that is close to the anchor ring of threaded rod is rotated and is connected with the arc cardboard that is used for conflicting anchor ring.

The utility model has the advantages as follows:

1. the utility model discloses when using, a plurality of and the corresponding hole groove of steel strand wires quantity are seted up to the lateral wall of clamp plate, and the steel strand wires all passes from the hole groove, let the clamp plate compress tightly the clamp plate, avoided splint and articulated long time atress of restricting to let splint follow dropping in the card hole, more stable carries out the centre gripping to the steel strand wires, and let the side groove looks joint of seting up on picture peg and the anchor ring that sets up on the clamp plate, realize the fixed to the clamp plate, it is more convenient to use.

Drawings

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

FIG. 2 is a perspective view of the present invention;

fig. 3 is a front view of the structure of the present invention;

fig. 4 is an enlarged view of fig. 2 a according to the present invention;

reference numerals: 1. a base plate; 2. a splint; 3. an anchor ring; 4. pressing a plate; 5. a steel strand; 6. a clamping hole; 7. inserting plates; 8. a trapezoidal wedge plate; 9. a square wedge plate; 10. a movable plate; 11. a flat plate; 12. a side groove; 13. a slot; 14. a slide plate; 15. a strip-shaped groove; 16. a fixing plate; 17. a threaded rod; 18. arc cardboard.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, an embodiment of the present invention provides a prestressed anchorage device for highway bridge construction, which includes a backing plate 1, an anchor ring 3 is disposed on one side of the backing plate 1, a plurality of fastening holes 6 are formed through the anchor ring 3, and steel strands 5 are disposed through the fastening holes 6 inside the anchor ring 3, it should be noted that, in this embodiment, the number of the steel strands 5 is equal to the number of the fastening holes 6, and the steel strands are disposed in a one-to-one correspondence; the clamping holes 6 are internally provided with clamping plates 2 for clamping the steel stranded ropes 5, one side of the anchor ring 3 is provided with a pressing plate 4 for pressing the clamping plates 2, one side of the pressing plate 4 close to the anchor ring 3 is provided with a plurality of inserting plates 7 distributed in an annular array, and the inserting plates 7 are hollow, so that the use is more convenient; the outer side wall of the anchor ring 3 is provided with a side groove 12 for inserting the inserting plate 7 in an inserting manner, the inserting plate 7 is provided with a clamping piece for limiting the pressing plate 4 to move in the side groove 12, when the inserting plate is used, the pressing plate 4 is arranged on one side of the anchor ring 3 where the clamping plate 2 is placed, the outer side wall of the pressing plate 4 is provided with a plurality of hole grooves corresponding to the number of the steel stranded ropes 5, and the steel stranded ropes 5 penetrate through the hole grooves, it should be noted that in the embodiment, the clamping plate 2 clamps the outer side wall of the steel stranded rope 5, the diameter of the clamping plate 2 is larger than that of the steel stranded rope 5, and the diameter of each hole groove is set to be larger than that of the steel stranded rope 5 and smaller than that of the clamping plate 2; let clamp plate 4 compress tightly splint 2, avoided splint 2 and steel stranded rope 5 to receive great pulling force for a long time and lead to the pine to take off, avoided letting splint 2 from dropping in the card hole 6, more stable carries out the centre gripping to steel stranded rope 5, and lets the picture peg 7 that sets up on clamp plate 4 and the 12 looks joints of side channel of seting up on the anchor ring 3, realizes the fixed to clamp plate 4, and it is more convenient to use.

As shown in fig. 4, in some embodiments, the clamping member includes a flat plate 11 slidably disposed inside the inserting plate 7, and one end of the flat plate 11 is fixedly mounted with a trapezoidal wedge-shaped plate 8, it should be noted that, in this embodiment, outer walls of two sides of the trapezoidal wedge-shaped plate 8 are both inclined surfaces, and two sides are symmetrically disposed; the inclined surfaces of the two sides of the trapezoidal wedge plate 8 are both contacted with the square wedge plate 9, and it should be noted that, in this embodiment, one end of the square wedge plate 9 close to the trapezoidal wedge plate 8 is arranged as an inclined surface, and the other end is arranged as a plane; two lateral walls that two square wedge boards 9 run through picture peg 7 respectively set up, the slot 13 that inclined plane one end was kept away from to the square wedge board 9 of joint is all offered to two inside walls of side channel 12, place picture peg 7 after inside side channel 12, let trapezoidal wedge board 8 extrude the square wedge board 9 of both sides through slip flat board 11, the outside removal of abduction shape wedge board 9, thereby abduction shape wedge board 9 planar one end joint is in the inside of slot 13, thereby restriction clamp plate 4's removal.

As shown in fig. 4, in some embodiments, sliding plates 14 are fixedly mounted on both sides of the flat plate 11, strip-shaped grooves 15 for sliding the sliding plates 14 are formed in both inner side walls of the inserting plate 7, the sliding plates 14 are fixedly mounted on both sides of the flat plate 11, and the two inner side walls of the inserting plate 7 of the sliding plates 14 slide, so that the flat plate 11 can be better placed inside the inserting plate 7, and the flat plate 11 can slide more smoothly.

As shown in fig. 4, in some embodiments, a movable plate 10 is movably inserted into the upper end of the flat plate 11, a slot for inserting the movable plate 10 is formed in the bottom of the inserting plate 7, and after one end of the square wedge-shaped plate 9 is clamped inside the side slot 12, the movable plate 10 is pressed inside the slot formed in the lower end of the inserting plate 7 to limit the flat plate 11 and keep the flat plate 11 stable.

As shown in fig. 3, in some embodiments, a fixing plate 16 is fixedly mounted at both upper and lower ends of a side of the backing plate 1 close to the anchor ring 3, one end of the fixing plate 16 is provided with a limiting member for limiting the movement of the anchor ring 3, when the anchor ring 3 is placed at one side of the backing plate 1, the anchor ring 3 cannot be well kept stable and is easy to slide, and by providing the limiting member on the fixing plate 16, the anchor ring 3 can be kept stable to be placed, thereby improving the adaptability of the device.

As shown in fig. 3, in some embodiments, the limiting member includes a threaded rod 17 disposed through the fixing plate 16, and an end of the threaded rod 17 near the anchor ring 3 is rotatably connected with an arc-shaped clamping plate 18 for abutting against the anchor ring 3, and it should be noted that, in this embodiment, the fixing plate 16 is provided with a thread engaged with the threaded rod 17; anchor ring 3 generally is circular setting, and the lateral wall to anchor ring 3 that arc cardboard 18 can be better contradicts, and the threaded rod 17 of anchor ring 3 both sides rotates on fixed plate 16, lets arc cardboard 18 contradict anchor ring 3, avoids anchor ring 3's removal, and it is more convenient to use.

Claims

1. A pre-stressed anchor for highway bridge construction comprises a backing plate (1) and is characterized in that, an anchor ring (3) is arranged on one side of the backing plate (1), a plurality of clamping holes (6) are arranged on the anchor ring (3) in a penetrating way, a steel stranded rope (5) is arranged in the anchor ring (3) in a penetrating way through a clamping hole (6), a clamping plate (2) used for clamping the steel strand (5) is arranged in the clamping hole (6), a pressing plate (4) for pressing the clamping plate (2) is arranged on one side of the anchor ring (3), one side of the pressure plate (4) close to the anchor ring (3) is provided with a plurality of inserting plates (7) distributed in an annular array, the outer side wall of the anchor ring (3) is provided with a side groove (12) for inserting the inserting plate (7), the inserting plate (7) is provided with a clamping piece used for limiting the pressing plate (4) to move in the side groove (12).

2. The prestressed anchorage device for highway bridge construction according to claim 1, wherein the joint member comprises a flat plate (11) slidably arranged inside the inserting plate (7), a trapezoidal wedge plate (8) is fixedly mounted at one end of the flat plate (11), both side inclined surfaces of the trapezoidal wedge plate (8) are in contact with the square wedge plate (9), the two square wedge plates (9) respectively penetrate through two outer side walls of the inserting plate (7), and slots (13) for clamping the square wedge plate (9) to keep away from one end of the inclined surface are formed in both inner side walls of the side grooves (12).

3. The pre-stressed anchor for highway bridge construction according to claim 2, wherein sliding plates (14) are fixedly mounted on both sides of the slab (11), and strip-shaped grooves (15) for the sliding plates (14) to slide are formed in both inner side walls of the inserting plate (7).

4. The pre-stressed anchor for highway bridge construction according to claim 3, wherein a movable plate (10) is movably inserted into the upper end of the flat plate (11), and a notch for inserting the movable plate (10) is formed in the bottom of the inserting plate (7).

5. The pre-stressed anchor for road and bridge construction according to claim 1, wherein a fixing plate (16) is fixedly mounted at both upper and lower ends of one side of the backing plate (1) close to the anchor ring (3), and a limiting member for limiting the movement of the anchor ring (3) is arranged at one end of the fixing plate (16).

6. The pre-stressed anchor for road and bridge construction as claimed in claim 5, wherein the limiting member comprises a threaded rod (17) penetrating through the fixing plate (16), and an arc-shaped clamping plate (18) for abutting against the anchor ring (3) is rotatably connected to one end of the threaded rod (17) close to the anchor ring (3).