CN211007320U

CN211007320U - Building element prestressing tendons connection structure

Info

Publication number: CN211007320U
Application number: CN201921832327.XU
Authority: CN
Inventors: 杜涛
Original assignee: Chengdu Aeronautic Polytechnic
Current assignee: Chengdu Aeronautic Polytechnic
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-14
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a building element prestressed reinforcement connection structure, relate to building prestressed reinforcement connection structure field, including prestressed reinforcement, prestressed reinforcement runs through the connection shell and extends to the opposite side connection shell outside, first square groove and second square groove have been seted up to connection shell left end face, second square groove is located first square inslot side, be provided with the cavity in the connection shell, cavity and first square groove second square groove intercommunication, the prestressed reinforcement both ends all are provided with the square pole, the square pole sets up at second square inslot, be provided with the limiting plate in the cavity, prestressed reinforcement runs through limiting plate and connection shell, limiting plate left end face is provided with the nut, connection shell left side is provided with screw rod and bolt, the bolt is located both sides around the screw rod, the screw rod runs through the connection shell and is connected with the nut, bolt run through connection shell and limiting plate and extend to the connection shell outside. The utility model discloses be convenient for fixed prestressing steel, improve work efficiency, reduce the operation degree of difficulty, the practicality is strong.

Description

Building element prestressing tendons connection structure

Technical Field

The utility model relates to a building prestressed reinforcement connection structure field especially relates to a building element prestressed reinforcement connection structure.

Background

Prestressed reinforcement is a compressive stress that is applied to the concrete of a structural member in advance by a pre-tensioning method or a post-tensioning method before the structural member is used. In the reinforced concrete structure, the member is pulled to crack, and the appearance is poor although the safety is not influenced. The method comprises the steps of firstly applying tension to reinforcing steel bars, then pouring concrete, loosening the reinforcing steel bars when the strength meets the requirement, enabling the reinforcing steel bars to retract, offsetting the tension of a normal use load (a pre-tensioning method) and a post-tensioning method, namely pouring concrete reserved holes, adding the tension to the reinforcing steel bars after molding, and then anchoring the reinforcing steel bars at two ends of a member by using an instrument.

The existing building element prestressed reinforcement connecting structure wastes time and labor when being connected, needs a plurality of persons to operate simultaneously, is low in working efficiency and connecting strength, and is inconvenient for fixing prestressed reinforcements, so that the problem is solved by providing the building element prestressed reinforcement connecting structure which is convenient to fix and easy to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a connecting structure of prestressed tendons of a building element.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a building element prestressed reinforcement connecting structure comprises prestressed reinforcements and a connecting shell, wherein the connecting shell is symmetrically provided with two prestressed reinforcements, the prestressed reinforcements penetrate through the connecting shell and extend to the outer side of the connecting shell at the other side, the left end surface of the connecting shell is provided with a first square groove and a second square groove, the second square groove is positioned at the inner side of the first square groove, a cavity is arranged in the connecting shell and is communicated with the first square groove and the second square groove, square rods are arranged at the two ends of the prestressed reinforcements, the square rods are arranged in the second square groove, a limiting plate is arranged in the cavity and is positioned at the left end of the square rod, the prestressed reinforcements penetrate through the limiting plate and the connecting shell, a nut is arranged at the left end surface of the limiting plate, a screw rod and a bolt are arranged at the left side of the connecting shell, the bolt is positioned at the front side and the rear side of the screw rod, the bolt penetrates through the connecting shell and the limiting plate and extends to the outer side of the connecting shell.

Preferably, the right end of the connecting shell is provided with a first through hole and a second through hole, the left end of the bolt penetrates through the first through hole and extends to the outer side of the connecting shell, and the screw rod penetrates through the second through hole and is connected with the nut.

Preferably, the first square groove and the second square groove are respectively arranged on the right wall outside the connecting shell and the right wall inside the connecting shell, the first square groove and the second square groove are mutually perpendicular, and the first square groove is vertical.

Preferably, the first square groove and the second square groove have the same caliber, the square rod is arranged in the second square groove, and the square rod is matched with the second square groove.

Preferably, threaded holes are formed in the left end face of the connecting shell and the left end face of the limiting plate, the left end face of the connecting shell is communicated with the threaded holes in the left end face of the limiting plate, and one end of the bolt penetrates through the threaded holes and extends to the outer side of the connecting shell.

Preferably, two positioning holes are formed in the surface of the limiting plate, two prestressed reinforcements are arranged in the connecting shell, two ends of each prestressed reinforcement respectively penetrate through the first square groove, the second square groove and the positioning holes, and penetrate out of the connecting shell through the second through holes.

The utility model has the advantages that: through passing first square groove with the prestressed reinforcement, second square groove and locating hole, and wear out the connection shell through the second through-hole, then rotate the prestressed reinforcement, make the square bar rotate to the second square groove in, rotate the screw rod, make the screw rod pass through the nut and move the limiting plate forward, thereby make the square bar restricted at the second square groove, then the user rotates the bolt, the bolt passes connection shell and screw hole, it is fixed with the limiting plate, thereby fixed square bar, and then fixed prestressed reinforcement, the bolt of wearing out from the connection shell will be connected the shell and fixed on external member.

The utility model discloses be convenient for fixed prestressing steel, improve work efficiency, reduce the operation degree of difficulty, the practicality is strong.

Drawings

Fig. 1 is a front view of the prestressed tendon connection structure for building components according to the present invention.

Fig. 2 is a top view of the structure for connecting prestressed tendons of a building element according to the present invention.

Fig. 3 is a right side view of the connecting shell in the connecting structure of the prestressed tendon of the building element provided by the utility model.

Reference numbers in the figures: 1 prestressing steel, 2 first square grooves, 3 square bars, 4 limiting plates, 5 connecting shells, 6 screw rods, 7 bolts, 8 nuts, 9 cavities, 10 second square grooves, 11 first through holes, 12 second through holes and 13 threaded holes.

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.

Referring to fig. 1-3, a construction element prestressed reinforcement connection structure comprises prestressed reinforcements 1 and a connection shell 5, wherein two connection shells 5 are symmetrically arranged, the prestressed reinforcements 1 penetrate through the connection shell and extend to the outer side of the connection shell 5 at the other side, a first square groove 2 and a second square groove 10 are formed in the left end surface of the connection shell 5, the second square groove 10 is positioned in the inner side of the first square groove 2, a cavity 9 is formed in the connection shell 5, the cavity 9 is communicated with the first square groove 2 and the second square groove 10, square bars 3 are arranged at both ends of the prestressed reinforcements 1, the square bars 3 are arranged in the second square groove 10, a limit plate 4 is arranged in the cavity 9, the limit plate 4 is positioned at the left end of the square bars 3, the prestressed reinforcement 1 penetrates through the limit plate 4 and the connection shell 5, a nut 8 is arranged on the left end surface of the limit plate 4, a screw 6 and a bolt 7 are arranged on the left side, screw rod 6 runs through and connects shell 5 and is connected with nut 8, and bolt 7 runs through and connects shell 5 and limiting plate 4 and extends to the 5 outsides of connecting the shell, the utility model discloses be convenient for fixed prestressing steel bar improves work efficiency, reduces the operation degree of difficulty, and the practicality is strong.

Connect 5 right-hand members of shell and seted up first through-hole 11 and second through-hole 12, bolt 7 left end runs through first through-hole 11, and extends to the connecting shell 5 outside, and screw rod 6 runs through second through-hole 12 and is connected with nut 8, and this design is convenient for pass connecting shell 5 with prestressing steel 1.

First square groove 2 and second square groove 10 are seted up respectively at the outside right wall of connecting shell 5 and the inside right wall of connecting shell 5, and first square groove 2 is mutually perpendicular state with second square groove 10, and first square groove 2 is vertical state, and this design has realized rotating prestressing steel 1 to second square groove 10 in, to prestressing steel 1 temporary fixation.

First square groove 2 is the same with second square groove 10 bores, and square bar 3 sets up in second square groove 10, square bar 3 and second square groove 10 phase-matches, and this design is convenient for settle square bar 3, and then is convenient for settle prestressing steel 1.

Threaded hole 13 has all been seted up to connecting 5 left end faces of shell and the 4 left end faces of limiting plate, and the threaded hole 13 intercommunication of connecting 5 left end faces of shell and the 4 left end faces of limiting plate, bolt 7 run through one end and run through threaded hole 13 and go and extend to the connecting shell 5 outside, are convenient for pass through the fixed limiting plate 4 of screw rod 6, and then fixed square bar 3 and prestressing steel 1.

Two locating holes have been seted up on limiting plate 4 surface, are provided with two prestressing steel 1 in the connecting shell 5, and first square groove 2, second square groove 10 and locating hole are passed respectively at prestressing steel 1 both ends, and wear out connecting shell 1 through second through-hole 12, and this design is convenient for fix a position prestressing steel 1.

The working principle is as follows: when the device is used, a user firstly enables a square rod 3 on a prestressed reinforcement 1 to vertically pass through a first square groove 2, the prestressed reinforcement 1 passes through a second square groove 10 and a positioning hole, and penetrates out of a connecting shell 1 from a second through hole 12, then the user rotates the prestressed reinforcement 1, the square rod 3 is rotated into the second square groove 10, a screw rod 6 is rotated, the screw rod 6 enables a limiting plate 4 to be pushed forwards through a nut 8, so that the square rod 3 is limited in the second square groove 10, then the user rotates a bolt 7, the bolt 7 passes through the connecting shell 5 and a threaded hole 13, the limiting plate 4 is fixed through a thread on the surface of the bolt 7 and a thread groove in the threaded hole 13, the square rod 3 is fixed, the prestressed reinforcement 1 is further fixed, the connecting shell 5 is fixed on an external component through the bolt 7 penetrating out of the connecting shell 5, the utility model discloses the device is convenient for fixing the prestressed reinforcement, and improving the working efficiency, the operation difficulty is reduced, and the practicability is high.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a building element prestressed reinforcement connection structure, includes prestressed reinforcement (1) and connects shell (5), its characterized in that, it is provided with two to connect shell (5) symmetry, prestressed reinforcement (1) run through and connect the shell and extend to the opposite side and connect the shell (5) the outside, connect shell (5) left end face and seted up first square groove (2) and second square groove (10), second square groove (10) are located first square groove (2) inboard, be provided with cavity (9) in connecting shell (5), cavity (9) and first square groove (2) second square groove (10) intercommunication, prestressed reinforcement (1) both ends all are provided with square bar (3), square bar (3) set up in second square groove (10), be provided with limiting plate (4) in cavity (9), limiting plate (4) are located square bar (3) left end, prestressed reinforcement (1) runs through limiting plate (4) and connection shell (5), limiting plate (4) left end face is provided with nut (8), connection shell (5) left side is provided with screw rod (6) and bolt (7), bolt (7) are located both sides around screw rod (6), screw rod (6) run through connection shell (5) and are connected with nut (8), bolt (7) run through connection shell (5) and limiting plate (4) and extend to the connection shell (5) outside.

2. The structure for connecting prestressed tendons of a building element according to claim 1, wherein the right end of the connecting shell (5) is opened with a first through hole (11) and a second through hole (12), the left end of the bolt (7) passes through the first through hole (11) and extends to the outside of the connecting shell (5), and the screw (6) passes through the second through hole (12) and is connected with the nut (8).

3. The structure for connecting prestressed tendons of building elements according to claim 1, wherein the first square groove (2) and the second square groove (10) are respectively opened on the right wall outside the connecting shell (5) and the right wall inside the connecting shell (5), the first square groove (2) and the second square groove (10) are perpendicular to each other, and the first square groove (2) is vertical.

4. The building element tendon connection structure of claim 1, characterized in that the first square groove (2) and the second square groove (10) have the same caliber, and the square bar (3) is arranged in the second square groove (10), and the square bar (3) is matched with the second square groove (10).

5. The building element tendon connection structure of claim 1, wherein the left end face of the connection shell (5) and the left end face of the limiting plate (4) are both opened with a threaded hole (13), the left end face of the connection shell (5) is communicated with the threaded hole (13) of the left end face of the limiting plate (4), and the bolt (7) penetrates through the threaded hole (13) at one end and extends to the outside of the connection shell (5).

6. The structure of claim 1, wherein two positioning holes are formed in the surface of the limiting plate (4), two prestressed reinforcements (1) are arranged in the connecting shell (5), and two ends of each prestressed reinforcement (1) respectively penetrate through the first square groove (2), the second square groove (10) and the positioning holes and penetrate out of the connecting shell (5) through the second through hole (12).