CN216341022U

CN216341022U - Single prestressed tendon tensioning device

Info

Publication number: CN216341022U
Application number: CN202121670386.9U
Authority: CN
Inventors: 庄海峰; 魏亚彬; 刘沛; 缴立强; 尹庆辉; 李建辰
Original assignee: Risesun Construction Engineering Co ltd
Current assignee: Risesun Construction Engineering Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-04-19
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a single prestressed tendon tensioning device which comprises an upper trapezoidal cone, wherein a first through hole is formed in the left side surface of the upper trapezoidal cone, a first bayonet is formed in the right side surface of the upper trapezoidal cone, a protective pad which is circularly arranged is fixedly connected to the inner wall of the first through hole, a lower trapezoidal cone is clamped inside the first bayonet, a fixing hole is formed in the outer surface of the lower trapezoidal cone, a sliding hole is formed in the outer surface of the upper trapezoidal cone, a connecting port is formed in the inner top wall with the first bayonet, and a second through hole is formed in the left side surface of the lower trapezoidal cone. This single tensioning equipment of prestressing tendons divides two parts, through set up the protection pad in first through-hole department, can protect the prestressing tendons, avoids leading to the damage with first through-hole looks mutual friction, goes up trapezoidal awl and adopts the socket joint to be connected with trapezoidal awl down, and is tight firm, installation and dismantlement all very convenient, and the jack is the inside of trapezoidal awl second bayonet socket under, does not have the camber displacement, and the device security is high.

Description

Single prestressed tendon tensioning device

Technical Field

The utility model belongs to the technical field of tensioning, and particularly relates to a single prestressed tendon tensioning device.

Background

At present, medium and short prestressed tendons are widely used in the actual engineering design, construction, reinforcement and laboratory research processes, however, the prestress loss of the medium and short prestressed tendons caused by the retraction of an anchorage device is very serious, some prestressed tendon anchoring improvement methods have appeared in recent years, the existing device is inconvenient to mount and dismount, and is easy to cause camber displacement and low in safety, and therefore, the single prestressed tendon tensioning device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for preventing a motor from being damaged, and aims to solve the problems that the existing device is inconvenient to mount and dismount, easy to cause camber displacement and low in safety.

The utility model discloses a single prestressed tendon tensioning device which comprises an upper trapezoidal cone, wherein a first through hole is formed in the left side surface of the upper trapezoidal cone, a first bayonet is formed in the right side surface of the upper trapezoidal cone, a protective pad which is circularly arranged is fixedly connected to the inner wall of the first through hole, a lower trapezoidal cone is clamped inside the first bayonet, a fixing hole is formed in the outer surface of the lower trapezoidal cone, a sliding hole is formed in the outer surface of the upper trapezoidal cone, a connecting port is formed in the inner top wall with the first bayonet, a second through hole is formed in the left side surface of the lower trapezoidal cone, and a second bayonet is formed in the right side surface of the lower trapezoidal cone.

Preferably, the inside sliding connection of connector has the slide, the last fixed surface of slide is connected with the bracing piece, the top of bracing piece runs through the slide opening and extends to the top of slide opening, the last fixed surface of slide is connected with two symmetrical springs, two the spring all is located the both sides of bracing piece, two the top of spring all with the interior roof fixed connection of connector, the bottom surface fixedly connected with pin of slide.

Preferably, the outer ring of the lower trapezoidal cone is provided with two symmetrical handles, and one side surfaces of the two handles close to each other are fixedly connected with the outer surface of the lower trapezoidal cone.

Preferably, the inside of first bayonet socket is equipped with crashproof ring pad, crashproof ring pad's left surface all with the inner wall fixed connection of first bayonet socket.

Preferably, the inside of second bayonet socket is equipped with anti-skidding cover pad, the surface of anti-skidding cover pad and the inner wall fixed connection of second bayonet socket.

Preferably, the right side of the lower trapezoidal cone is provided with a circular cushion pad, and the left side surface of the circular cushion pad is fixedly connected with the right side surface of the lower trapezoidal cone.

Compared with the prior art, the utility model has the beneficial effects that: this single tensioning equipment of prestressing tendons divides two parts, through set up the protection pad in first through-hole department, can protect the prestressing tendons, avoids leading to the damage with first through-hole looks mutual friction, goes up trapezoidal awl and adopts the socket joint to be connected with trapezoidal awl down, and is tight firm, installation and dismantlement all very convenient, and the jack is the inside of trapezoidal awl second bayonet socket under, does not have the camber displacement, and the device security is high.

Drawings

FIG. 1 is a schematic perspective view of an upper trapezoidal pyramid according to the present invention;

FIG. 2 is a cross-sectional view of an elevation of an upper trapezoidal pyramid of the present invention;

FIG. 3 is a cross-sectional view of a lower trapezoidal pyramid elevation of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 5 is a side view of an upper trapezoidal pyramid of the present invention.

In the figure: 1. an upper trapezoidal cone; 2. a lower trapezoidal cone; 3. a circular cushion pad; 4. a handle; 5. a first through hole; 6. a crash-proof ring pad; 7. a first bayonet; 8. a second through hole; 9. a fixing hole; 10. a second bayonet; 11. an anti-slip sleeve pad; 12. a slide plate; 13. a slide hole; 14. a support bar; 15. a spring; 16. a stop lever; 17. a protective pad; 18. and (7) connecting ports.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Please refer to fig. 1-5, a single tendon tensioning device includes an upper trapezoidal cone 1, a first through hole 5 is disposed on a left side surface of the upper trapezoidal cone 1, a first bayonet 7 is disposed on a right side surface of the upper trapezoidal cone 1, a protection pad 17 is fixedly connected to an inner wall of the first through hole 5 and is circularly arranged, a lower trapezoidal cone 2 is clamped inside the first bayonet 7, a fixing hole 9 is disposed on an outer surface of the lower trapezoidal cone 2, a sliding hole 13 is disposed on an outer surface of the upper trapezoidal cone 1, a connecting port 18 is disposed on an inner top wall of the first bayonet 7, a second through hole 8 is disposed on a left side surface of the lower trapezoidal cone 2, and a second bayonet 10 is disposed on a right side surface of the lower trapezoidal cone 2.

In the utility model, a sliding plate 12 is connected inside a connecting port 18 in a sliding manner, a supporting rod 14 is fixedly connected to the upper surface of the sliding plate 12, the top end of the supporting rod 14 penetrates through a sliding hole 13 and extends to the upper side of the sliding hole 13, two symmetrical springs 15 are fixedly connected to the upper surface of the sliding plate 12, the two springs 15 are both positioned at two sides of the supporting rod 14, the top ends of the two springs 15 are both fixedly connected with the inner top wall of the connecting port 18, a stop lever 16 is fixedly connected to the bottom surface of the sliding plate 12, by arranging the stop lever 16, when an upper trapezoidal cone 1 is connected with a lower trapezoidal cone 2 box, the stop lever 16 can be automatically clamped into a fixing hole 9 to enable the upper trapezoidal cone to be firmer, two symmetrical handles 4 are arranged on the outer ring of the lower trapezoidal cone 2, one side surface, close to each other, of the two handles 4 is fixedly connected with the outer surface of the lower trapezoidal cone 2, and by arranging the two handles 4, a worker can conveniently move the lower trapezoidal cone 2, the inside of first bayonet socket 7 is equipped with crashproof ring pad 6, crashproof ring pad 6's left surface all with first bayonet socket 7's inner wall fixed connection, crashproof ring pad 6 can protect down trapezoidal awl 2, avoid colliding with last trapezoidal awl 1 and taking place to damage, the inside of second bayonet socket 10 is equipped with anti-skidding sleeve pad 11, anti-skidding sleeve pad 11's surface and second bayonet socket 10's inner wall fixed connection, anti-skidding sleeve pad 11 can increase the frictional force of jack and second bayonet socket 10, prevent that it from sliding, down trapezoidal awl 2's right side is equipped with ring blotter 3, the left surface of ring blotter 3 and down trapezoidal awl 2's right flank fixed connection, ring blotter 3 can avoid down trapezoidal awl 2's bottom surface to receive the damage.

The working principle of the utility model is as follows: the lower trapezoidal awl 2 of this device is direct to contact with the jack, can be used for the great position stretch-draw in loose space of steel strand wires alone, goes up trapezoidal awl 1 for lengthening the part, uses with lower trapezoidal awl 2 combines, is applicable to the stretch-draw in the intensive stretch-draw space of steel strand wires limited position, and lower trapezoidal awl 2 adopts the socket joint with last trapezoidal awl 1 to be connected, and pin 16 can be from the inside of joint to fixed orifices 9, and when pulling bracing piece 14, pin 16 moves up, can break away from fixed orifices 9.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Single tensioning equipment of prestressing tendons, including last trapezoidal awl (1), its characterized in that: go up the left surface of trapezoidal awl (1) and seted up first through-hole (5), first bayonet socket (7) have been seted up to the right flank of going up trapezoidal awl (1), the protection pad (17) of the circular range of inner wall fixedly connected with of first through-hole (5), the inside joint of first bayonet socket (7) has down trapezoidal awl (2), fixed orifices (9) have been seted up to the surface of trapezoidal awl (2) down, slide opening (13) have been seted up to the surface of going up trapezoidal awl (1), connector (18) have been seted up to the interior roof of first bayonet socket (7), second through-hole (8) have been seted up to the left surface of trapezoidal awl (2) down, second bayonet socket (10) have been seted up to the right flank of trapezoidal awl (2) down.

2. The single tendon tensioning device of claim 1, wherein: the inside sliding connection of connector (18) has slide (12), the last fixed surface of slide (12) is connected with bracing piece (14), the top of bracing piece (14) runs through slide opening (13) and extends to the top of slide opening (13), the last fixed surface of slide (12) is connected with two symmetrical spring (15), two spring (15) all are located the both sides of bracing piece (14), two the top of spring (15) all with the interior roof fixed connection of connector (18), the bottom surface fixedly connected with pin (16) of slide (12).

3. The single tendon tensioning device of claim 1, wherein: the outer ring of the lower trapezoidal cone (2) is provided with two symmetrical handles (4), and one side surface of each handle (4) close to each other is fixedly connected with the outer surface of the lower trapezoidal cone (2).

4. The single tendon tensioning device of claim 1, wherein: the inside of first bayonet socket (7) is equipped with crashproof ring pad (6), the left surface of crashproof ring pad (6) all with the inner wall fixed connection of first bayonet socket (7).

5. The single tendon tensioning device of claim 1, wherein: the inside of second bayonet socket (10) is equipped with anti-skidding cover pad (11), the outer surface of anti-skidding cover pad (11) and the inner wall fixed connection of second bayonet socket (10).

6. The single tendon tensioning device of claim 1, wherein: the right side of lower trapezoidal awl (2) is equipped with ring blotter (3), the left surface of ring blotter (3) and the right flank fixed connection of lower trapezoidal awl (2).