CN212554396U

CN212554396U - Mechanical stretching type steel structure pedestal

Info

Publication number: CN212554396U
Application number: CN202020859721.9U
Authority: CN
Inventors: 蒋立明; 徐霞; 王丹丹
Original assignee: Jiangsu Yuefa Construction Engineering Co ltd
Current assignee: Jiangsu Yuefa Construction Engineering Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-19
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a mechanical tension formula steel structure pedestal, including steel structure pedestal main part and fix the fixed lug in steel structure pedestal main part top both sides, one side fixed mounting that two fixed lugs kept away from each other has the crossbeam of locating steel structure pedestal main part top, is connected through the prestressing tendons between two crossbeams, and the both ends of prestressing tendons all run through to the outside of crossbeam, and one side that two crossbeams kept away from each other all is provided with the cover and establishes the activity end post on the prestressing tendons. The utility model provides a mechanical tension formula steel construction pedestal can make the both ends of prestressing tendons obtain the stretch-draw effect that lasts, and the reaction through elastic tension spring can also make on the stretch-draw nut internal thread and the prestressing tendons on the external screw thread interlock inseparabler moreover, connect more firmly, than traditional stretch-draw pedestal, can make the prestressing tendons keep the stretch-draw state constantly to be favorable to the quality of the follow-up stretch-draw component of guarantee.

Description

Mechanical stretching type steel structure pedestal

Technical Field

The utility model relates to a building technical field especially relates to a mechanical stretch-draw formula steel construction pedestal.

Background

Various bases are designed for Buddhist believers to magify Buddha figures. Mainly comprises a lotus base which is used for indicating pure and high chonggao, a nine-weight base which is used for indicating a nine-weight trumpet creeper, and a xumi base which is used for indicating a xumi mountain.

Modern pedestals are generally technical tools used by precast concrete factories to manufacture prestressed concrete hollow slabs. For example, the utility model with the publication number of CN 203412300U provides a transverse tensioning pedestal, which comprises a box body and a positioning device, wherein the box body is a hollow cuboid welded by steel plates, and the middle part of the box body is provided with a horizontal rectangular tendon-penetrating groove; the positioning device comprises a bottom plate, a rib penetrating device and a fixed end; the rib penetrating device comprises a rib penetrating ring and a connecting rib. Also like CN204505533U, a tensioning pedestal with changeable length is disclosed, which comprises a bottom plate, wherein two ends of the bottom plate are provided with a tendon traction assembly, the bottom plate comprises a fixed end and a sliding movable end, and the tendon traction assembly is respectively arranged on the fixed end and the movable end; the tensioning pedestal is economical, efficient, reusable and capable of greatly saving cost.

However, after the prestressed tendons are pre-tensioned by tension, the traditional tensioning pedestal cannot keep the prestressed tendons in a better tensioning state all the time, so that the quality of a tensioning member (namely, a prestressed concrete hollow slab manufactured subsequently) cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mechanical stretching type steel structure pedestal.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mechanical tension type steel structure pedestal comprises a steel structure pedestal main body and fixed lugs fixed on two sides of the top of the steel structure pedestal main body, wherein a cross beam arranged at the top of the steel structure pedestal main body is fixedly arranged on one side, away from each other, of the two fixed lugs, the two cross beams are connected through a prestressed tendon, two ends of the prestressed tendon penetrate through the outer side of the cross beam, movable end columns sleeved on the prestressed tendon are arranged on one sides, away from the cross beam, of the two cross beams, and prestressed tension nuts installed on one ends of the prestressed tendon in a threaded mode are arranged on one sides, away from the cross beam, of the movable end columns;

one end of the movable end post close to the cross beam is provided with a plurality of angle grooves, the inner wall of one side of the angle groove away from the cross beam is fixedly welded with a cross rod, the cross rod is sleeved with an elastic tension spring, one end of the elastic tension spring is fixed on the inner wall of one side of the angle groove away from the cross beam, and the other end of the elastic tension spring is in abutting contact with the outer side of the cross beam.

Preferably, the number of the corner grooves is four to six, and the four to six corner grooves are uniformly distributed in a ring shape; the cross section of the inner wall of the angular groove is of a fan-shaped structure.

Preferably, the center of the movable end post is provided with a through hole which is transversely arranged, and the prestressed tendon movably penetrates through the through hole.

Preferably, the crossbeam is provided with a movable hole, and the prestressed tendons movably penetrate through the movable hole.

Preferably, external threads are arranged on the outer walls of the two ends of the prestressed tendon, and the internal threads on the inner wall of the prestressed tensioning nut are matched with the external threads on the prestressed tendon.

Preferably, a gasket is arranged between the prestress tensioning nut and the movable end post, and the gasket is movably sleeved on the prestress rib.

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

in the utility model, when stretching, the prestressed tensioning nuts on the two ends of the prestressed tendon are locked towards the inner side, so that the internal thread on the inner wall of the prestressed tensioning nut and the external thread on the prestressed tendon are tightly engaged, and the prestressed tensioning nut is locked, the elastic tension spring is continuously in a compression state, when the prestressed locking is completed (as shown in the figure, the internal thread on the inner wall of the prestressed tensioning nut and the external thread on the prestressed tendon are in a state after the tensioning locking is completed), the elastic tension spring can generate the reaction of elasticity, the two ends of the prestressed tendon can be further continuously tensioned through the reaction of the elastic tension spring, and the internal thread on the nut and the external thread on the prestressed tendon can be engaged more tightly through the reaction of the elastic tension spring, so that the connection is firmer;

to sum up, the utility model provides a mechanical tension formula steel construction pedestal can make the both ends of prestressing tendons obtain the stretch-draw effect that lasts, and the reaction through elastic tension spring can also make on the stretch-draw nut the internal thread more inseparable with the external screw thread interlock on the prestressing tendons, and the connection is more firm, compares traditional stretch-draw pedestal, can make the prestressing tendons keep the stretch-draw state constantly to be favorable to ensureing the quality of follow-up stretch-draw component.

Drawings

Fig. 1 is a schematic top view of a mechanically-tensioned steel structure pedestal according to the present invention;

fig. 2 is a schematic side view of a mechanically-tensioned steel structure pedestal according to the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a schematic cross-sectional view of the movable end post of the present invention.

In the figure: 1, fixing a lug on a steel structure pedestal main body and 101; 2, a beam and a 201 movable hole; 3 prestressed tendons and 301 external threads; 4 movable end columns, 401 angle grooves, 402 through holes, 403 cross bars and 404 elastic tension springs; 5, a gasket; 6 prestressed tension nut.

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. 1-4, a mechanical tension type steel structure pedestal comprises a steel structure pedestal main body 1 and fixed lugs 101 fixed on two sides of the top of the steel structure pedestal main body 1, wherein a cross beam 2 arranged on the top of the steel structure pedestal main body 1 is fixedly arranged on one side, away from each other, of the two fixed lugs 101, the two cross beams 2 are connected through a prestressed tendon 3, two ends of the prestressed tendon 3 penetrate through the outer side of the cross beam 2, a movable end column 4 sleeved on the prestressed tendon 3 is arranged on one side, away from the cross beam 2, of each movable end column 4, and a prestressed tension nut 6 which is arranged on one end of the prestressed tendon 3 in a threaded manner is arranged on one side, away from the cross beam 2;

one end of the movable end post 4 close to the cross beam 2 is provided with a plurality of angle grooves 401, the inner wall of one side of the angle groove 401 far away from the cross beam 2 is fixedly welded with a cross rod 403, the cross rod 403 is sleeved with an elastic tension spring 404, one end of the elastic tension spring 404 is fixed on the inner wall of one side of the angle groove 401 far away from the cross beam 2, and the other end of the elastic tension spring 404 is abutted to the outer side of the cross beam 2. The utility model provides a mechanical tensile formula steel construction pedestal can make the both ends of prestressing tendons 3 obtain the stretch-draw effect that lasts, and the reaction through elastic tension spring 4 can also make the internal thread on the stretch-draw nut 6 inseparabler with the interlock of external screw thread 301 screw thread on the prestressing tendons 3 in addition, and more firm of connection, than traditional stretch-draw pedestal, can make the prestressing tendons keep the stretch-draw state constantly to be favorable to ensureing the quality of follow-up stretch-draw component.

Specifically, four to six corner slots 401 are provided, and the four to six corner slots 401 are uniformly arranged in a ring shape; the cross section of the inner wall of the angular groove 401 is of a fan-shaped structure as a whole.

Specifically, a through hole 402 is transversely formed in the center of the movable end post 4, and the tendon 3 movably penetrates through the through hole 402.

Specifically, the beam 2 is provided with a movable hole 201, and the tendon 3 is movably penetrated through the movable hole 201.

Specifically, the outer walls of the two ends of the prestressed tendon 3 are both provided with external threads 301, and the internal threads on the inner wall of the prestressed tensioning nut 6 are matched with the external threads 301 on the prestressed tendon 3.

Specifically, a gasket 5 is arranged between the prestress tensioning nut 6 and the movable end post 4, and the gasket 5 is movably sleeved on the prestress rib 3.

In the utility model, when stretching, the prestressed tensioning nuts 6 on the two ends of the prestressed tendon 3 are locked inwards, so that the internal thread on the inner wall of the prestressed tensioning nut 6 is tightly engaged with the external thread 301 on the prestressed tendon 3, and the elastic tension spring 4 is continuously in a compression state in the locking process of the prestressed tensioning nut 6, after the prestressed locking is completed (as shown in figure 3, the state after the tensioning locking is completed), the elastic tension spring 4 can generate the reaction of elasticity, the two ends of the prestressed tendon 3 can be continuously tensioned by the reaction of the elastic tension spring 4, and the internal thread on the tensioning nut 6 can be more tightly engaged with the external thread 301 on the prestressed tendon 3 by the reaction of the elastic tension spring 4, the connection is firmer, so compared with the traditional tensioning pedestal, the prestressed tendons can be kept in a tensioning state all the time, and the quality of subsequent tensioning members is guaranteed.

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 mechanical tension type steel structure pedestal comprises a steel structure pedestal main body (1) and fixing lugs (101) fixed on two sides of the top of the steel structure pedestal main body (1), wherein a cross beam (2) arranged at the top of the steel structure pedestal main body (1) is fixedly arranged on one side, away from each other, of the two fixing lugs (101), and is characterized in that the two cross beams (2) are connected through a prestressed tendon (3), the two ends of the prestressed tendon (3) penetrate through the outer side of the cross beam (2), movable end columns (4) sleeved on the prestressed tendon (3) are arranged on one sides, away from the cross beam (2), of the movable end columns (4), and are provided with prestressed tension nuts (6) which are arranged on one ends of the prestressed tendon (3) in a threaded manner;

one end of the movable end post (4) close to the cross beam (2) is provided with a plurality of angle grooves (401), the inner wall of one side, away from the cross beam (2), of the angle grooves (401) is fixedly welded with a cross rod (403), the cross rod (403) is sleeved with an elastic tension spring (404), one end of the elastic tension spring (404) is fixed on the inner wall of one side, away from the cross beam (2), of the angle grooves (401), and the other end of the elastic tension spring (404) is in contact with the outer side of the cross beam (2) in an abutting mode.

2. The mechanical tension steel structure pedestal as claimed in claim 1, wherein the number of the angle grooves (401) is four to six, and the four to six angle grooves (401) are uniformly arranged in a ring shape.

3. The mechanical tension steel structure pedestal as claimed in claim 1, wherein the cross section of the inner wall of the angular groove (401) is a fan-shaped structure as a whole.

4. The mechanical tension steel structure pedestal according to claim 1, wherein the center of the movable end column (4) is provided with a through hole (402) arranged transversely, and the prestressed tendon (3) movably penetrates through the through hole (402).

5. The mechanical tension steel structure pedestal according to claim 1, wherein the beam (2) is provided with a movable hole (201), and the tendon (3) is movably penetrated through the movable hole (201).

6. The mechanical tension steel structure pedestal according to claim 1, wherein the outer walls of the two ends of the prestressed tendon (3) are provided with external threads (301), and the internal threads on the inner wall of the prestressed tension nut (6) are matched with the external threads (301) on the prestressed tendon (3).

7. A mechanical tension steel structure pedestal according to claim 1, wherein a washer (5) is arranged between the prestress tension nut (6) and the movable end post (4), and the washer (5) is movably sleeved on the prestress rib (3).