CN210737789U

CN210737789U - Fixed end anchor head for building prestressed concrete

Info

Publication number: CN210737789U
Application number: CN201921389990.7U
Authority: CN
Inventors: 李广浩
Original assignee: Nanjing Haohua Architectural Technology Co Ltd
Current assignee: Nanjing Haohua Architectural Technology Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-12
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses an used stiff end anchor head of building prestressed concrete, including bearing block, side pipe and square bar, the bearing block is installed to the inboard of side pipe, and the top of bearing block installs tightening screw, the sliding tray is all installed to the both sides of bearing block, and the bottom of bearing block installs the bearing screw rod, the square bar is installed to the bottom of bearing block, and the inboard of square bar is provided with the screw hole, the grab bar is all installed to the bottom of square bar, and the one end of grab bar installs the stick up pole, grab the fin is installed in the outside of pole, and grabs the outside of pole and all install the bulge piece, grab the top of pole installs the triangular plate, and the outside of square bar installs the circle stalk, the screwed pipe is installed on the top to the fixed of bearing block. The utility model discloses an install bearing block, side pipe and square bar, install fin and protruding piece in the outside of grabbing the pole, can increase the area of contact with the concrete, this just can avoid grabbing the pole and tearing the concrete, has improved efficiency greatly.

Description

Fixed end anchor head for building prestressed concrete

Technical Field

The utility model relates to a building material technical field specifically is a used stiff end anchor head of building prestressed concrete.

Background

The development of science and technology is very fast now, especially in the building industry, and construction machinery's development is also very fast, need use large batch concrete when covering the building, when the operation on the concrete, need install fixing device additional on the concrete, this workman's operation that just can be convenient for, this anchor that just needs a concrete:

1. when the fixed end anchor head used by the prior concrete is not used, the fixed end anchor head is buried on the surface of the concrete, and the part of the fixed end anchor head which leaks out needs to be sawn off, so that the operation is troublesome, and a large amount of time is wasted;

2. when a fixed end anchor head used for the conventional concrete tightens a reinforcing steel bar end, a clamping end of the fixed end anchor head is easy to shake, and the reinforcing steel bar end shakes back and forth in the fixed end anchor head, so that the reinforcing steel bar is easy to fall off, and the device is not favorable for use;

3. the used stiff end anchor head of concrete in the past buries the inside part of concrete, tears the concrete easily when receiving huge pulling force, and this has just caused the damage to the concrete, and this has influenced the stability of building, is unfavorable for protecting the building.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an used stiff end anchor head of building prestressed concrete to propose in solving above-mentioned background art and need saw the part that the stiff end anchor head leaked out, lead to the reinforcing bar to drop easily, tear the problem of concrete easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an used stiff end anchor head of building prestressed concrete, includes bearing block, side pipe and square pole, the bearing block is installed to the inboard of side pipe, and installs on the top of bearing block and tighten the screw thread, the sliding tray is all installed on the both sides of bearing block, and the bottom of bearing block installs the bearing screw rod, the square pole is installed to the bottom of bearing block, and the inboard of square pole is provided with the screw hole, the bottom of square pole all installs grab bar, and grabs the one end of pole and install the stick up pole, grab bar's the outside and install the fin, and grab bar's the outside all installs the bulge piece, grab bar's top is installed the triangle piece, and the outside of square pole installs the circle stalk, the screwed pipe is installed on the top of bearing block.

Preferably, the top end of the threaded pipe is provided with an arc-shaped extrusion piece, the cross section of the arc-shaped extrusion piece is matched with that of the clamping piece, and the diameter of the threaded pipe is larger than that of the tightening thread.

Preferably, tightening threads are installed at the top ends of the bearing blocks, gaps are formed in the middles of the tightening threads, clamping pieces are installed at the top ends of the tightening threads, and teeth are installed at the top ends of the clamping pieces.

Preferably, little round bar is all installed to the inboard of side pipe, and the bottom of side pipe is provided with the draw-in groove, the cross-section of draw-in groove and the cross-section phase-match of circle stalk.

Preferably, the cross section of the sliding groove is in an open rectangle shape, and the width of the sliding groove is larger than the diameter of the small round rod.

Preferably, a square hole is formed in the middle of each fin, the section of the square hole in the inner side of each fin is matched with the section of the grab rod, and the fin is sleeved on the outer side of the grab rod.

Preferably, the threaded hole is internally provided with threads matched with the threads on the outer side of the bearing screw rod, and the depth of the threaded hole is greater than the length of the bearing screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) according to the fixed-end anchor head for the prestressed concrete for the building, the sliding grooves are arranged on the two sides of the bearing block, the bearing screw rod is arranged at the bottom end of the bearing block, the square rod is arranged at the bottom end of the bearing block, the threaded hole is formed in the inner side of the square rod, the square pipe is arranged on the outer side of the bearing block, the bearing screw rod is inserted into the threaded hole, and then the square pipe is sleeved on the square rod, so that the function of convenient disassembly is realized, and the advantage of convenient anchor head replacement is embodied;

(2) the fixed end anchor head for the building prestressed concrete has the advantages that the opening is formed in the middle of the tightening thread, the clamping piece is installed at the top end of the tightening thread, the teeth are installed at the top end of the clamping piece, and the teeth are tightened into the end of the reinforcing steel bar, so that the function of clamping the reinforcing steel bar is realized, and the advantage of preventing the reinforcing steel bar from falling off is embodied;

(3) this used stiff end anchor head of building prestressed concrete all installs the grab bar through the bottom at the square bar, and the stick up pole is installed to the one end of grab bar, and the fin is installed in the outside of grab bar, and all installs the protruding piece in the outside of grab bar, through fin and protruding piece, has realized increasing and concrete area of contact's function, has embodied the advantage of consolidating the anchor.

Drawings

Fig. 1 is a schematic front view of the present invention;

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

FIG. 3 is a schematic view of the structure of the grab bar of the present invention;

FIG. 4 is a schematic view of the square tube structure of the present invention;

fig. 5 is a schematic structural view of the bearing block of the present invention;

fig. 6 is a schematic structural view of the arc-shaped extrusion piece of the present invention.

In the figure: 1. a threaded pipe; 2. a bearing block; 3. a square tube; 4. a square bar; 5. raising the rod; 6. a sliding groove; 7. a fin; 8. a threaded hole; 9. round peduncle; 10. a raised block; 11. a grab bar; 12. Triangular plates; 13. a small round bar; 14. a card slot; 15. tightening the screw thread; 16. opening the gap; 17. a clamping piece; 18. teeth; 19. a load-bearing screw; 20. and an arc-shaped extrusion sheet.

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.

Referring to fig. 1-6, the present invention provides an embodiment: a fixed end anchor head for building prestressed concrete comprises a bearing block 2, a square tube 3 and a square rod 4, wherein the bearing block 2 is installed on the inner side of the square tube 3, small round rods 13 are installed on the inner sides of the square tube 3, a clamping groove 14 is formed in the bottom end of the square tube 3, the cross section of the clamping groove 14 is matched with that of a round stem 9, the bearing block 2 can be prevented from rotating again, and the anchor head is convenient to disassemble;

tightening threads 15 are installed at the top end of the bearing block 2, gaps 16 are formed in the middles of the tightening threads 15, clamping pieces 17 are installed at the top ends of the tightening threads 15, and teeth 18 are installed at the top ends of the clamping pieces 17, so that the ends of the reinforcing steel bars can be clamped, and the reinforcing steel bars are prevented from falling off;

the top end of the bearing block 2 is provided with tightening threads 15, the two sides of the bearing block 2 are provided with sliding grooves 6, the cross sections of the sliding grooves 6 are open rectangles, the width of each sliding groove 6 is larger than the diameter of each small round rod 13, the square pipe 3 can slide in the sliding grooves 6, and the square pipe 3 is prevented from rotating;

the bottom end of the bearing block 2 is provided with a bearing screw rod 19, the bottom end of the bearing block 2 is provided with a square rod 4, the inner side of the square rod 4 is provided with a threaded hole 8, threads matched with the threads on the outer side of the bearing screw rod 19 are arranged inside the threaded hole 8, the depth of the threaded hole 8 is larger than the length of the bearing screw rod 19, so that the anchor head can be conveniently detached, and the working efficiency is improved;

the bottom ends of the square rods 4 are all provided with the grabbing rods 11, one ends of the grabbing rods 11 are provided with the warping rods 5, the outer sides of the grabbing rods 11 are provided with the fins 7, square holes are formed in the middles of the fins 7, the cross sections of the square holes in the inner sides of the fins 7 are matched with the cross sections of the grabbing rods 11, and the fins 7 are sleeved on the outer sides of the grabbing rods 11, so that the contact area between the fins 7 and concrete can be increased, and equipment is prevented from falling;

the outside of grabbing pole 11 all installs protruding piece 10, the triangular plate 12 is installed on the top of grabbing pole 11, and the outside of square bar 4 installs circle stalk 9, screwed pipe 1 is installed on the top of bearing block 2, arc extrusion piece 20 is installed on the top of screwed pipe 1, the cross-section of arc extrusion piece 20 and the cross-section phase-match of pressing from both sides tight piece 17, and the diameter of screwed pipe 1 is greater than the diameter of tightening screw 15, can be to pressing from both sides the inside extrusion in the tight piece 17, the use of the device of being convenient for.

The working principle is as follows: when the device is used, the grabbing rod 11 is placed in a concrete mould, the grabbing rod 11 is cast in the concrete until the concrete is solidified, the bearing screw rod 19 is screwed into the threaded hole 8, the square pipe 3 is pulled downwards until the clamping groove 14 on the inner side of the square pipe 3 clamps the round stem 9, the square pipe 3 can be fixed, the bearing block 2 can be prevented from rotating on the inner side of the square rod 4 again, the bearing block 2 can be prevented from falling off, the anchor head can be replaced conveniently, the end of a steel bar is plugged into the inner side of the clamping piece 17, the threaded pipe 1 is rotated, the arc-shaped extrusion piece 20 on the top end of the threaded pipe 1 can extrude the clamping piece 17 until the clamping piece 17 tightens the end of the steel bar, the steel bar can be prevented from shaking again, the contact area between the fin 7 on the outer side of the grabbing rod 11 and the convex block 10 can be increased with the concrete, this just can strengthen the dynamics of grasping of grabbing pole 11, can prevent also that grabbing pole 11 from tearing the concrete when receiving powerful pulling force, and this just can effectual protection concrete, avoids the building to receive the damage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 used stiff end anchor head of building prestressed concrete, includes bearing block (2), square pipe (3) and square pole (4), its characterized in that: the inner side of the square pipe (3) is provided with a bearing block (2), the top end of the bearing block (2) is provided with tightening threads (15), the two sides of the bearing block (2) are provided with sliding grooves (6), and the bottom end of the bearing block (2) is provided with a bearing screw rod (19), the bottom end of the bearing block (2) is provided with a square rod (4), the inner side of the square rod (4) is provided with a threaded hole (8), the bottom ends of the square rod (4) are all provided with a grabbing rod (11), and one end of the grabbing rod (11) is provided with a warping rod (5), the outer side of the grabbing rod (11) is provided with a fin (7), the outer sides of the grabbing rods (11) are provided with the convex blocks (10), the top ends of the grabbing rods (11) are provided with triangular plates (12), and the round stem (9) is installed on the outer side of the square rod (4), and the threaded pipe (1) is installed on the top end of the bearing block (2).

2. A fixed end anchor head for use in constructing prestressed concrete according to claim 1, wherein: the top end of the threaded pipe (1) is provided with an arc-shaped extrusion piece (20), the section of the arc-shaped extrusion piece (20) is matched with that of the clamping piece (17), and the diameter of the threaded pipe (1) is larger than that of the tightening thread (15).

3. A fixed end anchor head for use in constructing prestressed concrete according to claim 1, wherein: tightening threads (15) are installed at the top end of the bearing block (2), gaps (16) are formed in the middles of the tightening threads (15), clamping pieces (17) are installed at the top ends of the tightening threads (15), and teeth (18) are installed at the top ends of the clamping pieces (17).

4. A fixed end anchor head for use in constructing prestressed concrete according to claim 1, wherein: the inboard of square pipe (3) all installs little round bar (13), and the bottom of square pipe (3) is provided with draw-in groove (14), the cross-section of draw-in groove (14) and the cross-section phase-match of circle stalk (9).

5. A fixed end anchor head for use in constructing prestressed concrete according to claim 1, wherein: the section of the sliding groove (6) is in an open rectangle shape, and the width of the sliding groove (6) is larger than the diameter of the small round rod (13).

6. A fixed end anchor head for use in constructing prestressed concrete according to claim 1, wherein: the middle of the fin (7) is provided with a square hole, the section of the square hole on the inner side of the fin (7) is matched with the section of the grabbing rod (11), and the fin (7) is sleeved on the outer side of the grabbing rod (11).

7. A fixed end anchor head for use in constructing prestressed concrete according to claim 1, wherein: the thread matched with the thread on the outer side of the bearing screw rod (19) is arranged in the threaded hole (8), and the depth of the threaded hole (8) is larger than the length of the bearing screw rod (19).