CN210775027U

CN210775027U - Large-bending-moment annular concrete pole tower mechanical experiment table

Info

Publication number: CN210775027U
Application number: CN201921377515.8U
Authority: CN
Inventors: 李胜利; 黄立营; 卓之香; 韩彬; 刘华; 魏民; 项福胜
Original assignee: Jiangsu Guangda Tower Co ltd
Current assignee: Jiangsu Guangda Tower Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-16
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a big moment of flexure annular concrete pole tower mechanics laboratory bench, the test platform comprises a pedestal, the pole is installed to one side of pedestal, install the fixing device who is used for fixed pole on the pedestal, the mid-mounting of pedestal has one or more to be used for the rolling support of installation, load dynamometer and amount of deflection appearance are installed respectively to the one end both sides that the pedestal was kept away from to the pole. The utility model discloses mechanical properties when adopting flange joint is experimental, and displacement can not take place for a, b point during the amount of deflection is experimental, takes one's place fixed accurate requirement before experimental height, and the actual measurement reading is accurate reliable.

Description

Large-bending-moment annular concrete pole tower mechanical experiment table

Technical Field

The utility model belongs to the technical field of the shaft tower mechanics experiment, concretely relates to big moment of flexure annular concrete pole tower mechanics laboratory bench.

Background

At present, the existing national standard [ G position measuring instruments B4623-2014 ] is adopted for detecting the mechanical performance of the concrete pole, a two-side embedded and fixed test bed is designed according to the technical requirements of the annular concrete pole [ G position measuring instruments B4623-2014 ] standard, in the measuring process, if the detection is not embedded and the abnormal displacement of two points a and B is 1mm during the deflection experiment of the traditional two-side embedded and fixed test bed pole, the reading number of the deflection instrument is increased by 6-7 mm, and the deflection calculation numerical value is determined to have larger positive error, so that a mechanical test bed with high installation precision is urgently needed.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a big moment of flexure annular concrete pole tower mechanics laboratory bench can realize the high mechanical test platform of measurement accuracy.

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

the utility model provides a big moment of flexure annular concrete pole tower mechanics laboratory bench, includes the pedestal, the pole is installed to one side of pedestal, install the fixing device who is used for fixed pole on the pedestal, the mid-mounting of pedestal has one or more to be used for the rolling support of installation, load dynamometer and amount of deflection appearance are installed respectively to the one end both sides that the pedestal was kept away from to the pole.

Preferably, fixing device is including installing two U type backing plates inside the pedestal, the inside activity joint of U type backing plate has U type clamp plate, U type clamp plate supports the both sides at the pole and passes through the bolt fastening respectively with U type backing plate, the inside both sides that are located two U type clamp plates of pedestal are provided with the position finding instrument respectively.

Preferably, fixing device includes that a plurality of pours the crotch inside the pedestal, the one end of crotch extends to the outside of pedestal and welds and have first flange, the tail end of pole is installed and is used for the second flange fixed with first flange.

Preferably, the rolling support includes the base, the four corners of base all is equipped with the gyro wheel, altitude mixture control pole is all installed in the higher authority four corners of base, the backup pad is installed to the upper end of altitude mixture control pole.

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

(1) when the flange connection mechanical property test is adopted, the points a and b can not displace during the deflection test, the accurate requirement of positioning and fixing before the test is high, and the actual measurement reading is accurate and reliable;

(2) the utility model replaces the traditional two-side embedded fixed test bed; the mounting precision is high, and the third-party test detection data is real and reliable; the judgment result is fair, fair and reasonable.

Drawings

FIG. 1 is a schematic view ① of the whole root clamping and fixing structure of the present invention;

FIG. 2 is a schematic view ② of the whole root clamping and fixing structure of the present invention;

fig. 3 is a schematic view ① of the sectional flange connection structure of the present invention;

fig. 4 is a schematic view ② of the sectional flange connection structure of the present invention;

FIG. 5 is a schematic view of the rolling support structure of the present invention;

FIG. 6 is a schematic view of the connection structure of the U-shaped pad and the U-shaped pressing plate of the present invention;

fig. 7 is a sectional view of the connection between the hook inside the pedestal and the first flange.

Description of reference numerals:

1. the device comprises a pedestal, 2, an electric pole, 3, a rolling support, 31, a support plate, 32, a height adjusting rod, 33, a base, 4, a first flange, 5, a second flange, 6, a U-shaped base plate, 7, a load measuring instrument, 8, a deflectometer, 9, a U-shaped pressing plate, 10, a bolt, 11 and a hook.

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.

Example 1:

as shown in fig. 1, 2, 5 and 6, the large bending moment annular concrete pole tower mechanical experiment table comprises a pedestal 1, wherein a pole 2 is installed on one side of the pedestal 1, a fixing device for fixing the pole 2 is installed on the pedestal 1, the fixing device comprises two U-shaped base plates 6 installed inside the pedestal 1, U-shaped grooves inside the U-shaped base plates 6 are matched with the pole 2, the U-shaped base plates 6 are respectively arranged at two ends of the pedestal 1, the fixing is firmer at the two ends, the a point and the b point are not easy to deviate, U-shaped pressing plates 9 are movably clamped inside the U-shaped base plates 6, the U-shaped pressing plates 9 and the U-shaped base plates 6 are respectively abutted against two sides of the pole 2 and are fixed through bolts 10, the two bolts 10 are screwed, the pole 2 can be fixed on the U-shaped base plates 6 through the U-shaped pressing plates 9, a position measuring instrument a and a position measuring instrument b are respectively arranged at two sides of the two U-shaped pressing plates 9 inside, the mid-mounting of pedestal 1 has one or more rolling support 3 that are used for the installation, and rolling support 3 can support pole 2, and drives pole 2 and remove, load dynamometer 7 and deflectometer 8 are installed respectively to the one end both sides that pedestal 1 was kept away from to pole 2, can measure, the analysis to experimental data, rolling support 3 includes base 33, the four corners of base 33 all is equipped with the gyro wheel, portable this device, altitude mixture control pole 32 is all installed in the higher authority four corners of base 33, backup pad 31 is installed to the upper end of altitude mixture control pole 32, is equipped with the cambered surface with 2 outer wall looks adaptations of pole on the backup pad 31, can realize adjusting the height of backup pad 31 through twisting the nut of moving altitude mixture control pole 32, and then adjusts the height of pole 2.

Example 2:

as shown in fig. 3, 4, 5 and 7, the large bending moment annular concrete pole tower mechanical experiment table comprises a pedestal 1, one side of the pedestal 1 is provided with an electric pole 2, the pedestal 1 is provided with a fixing device for fixing the electric pole 2, the fixing device comprises a plurality of hooks 11 poured in the pedestal 1, the hooks 11 are poured in the pedestal 1, the firm installation can be realized, one end of the hook 11 extends to the outer side of the pedestal 1 and is welded with the first flange 4, the tail end of the electric pole 2 is provided with a second flange 5 which is used for fixing with the first flange 4, the first flange 4 and the second flange 5 can fix the electric pole 2, the middle part of pedestal 1 installs one or more rolling support 3 that are used for the installation, load dynamometer 7 and deflectometer 8 are installed respectively to pole 2 one end both sides of keeping away from pedestal 1. Rolling support 3 includes base 33, base 33's four corners all is equipped with the gyro wheel, but removes this device, altitude mixture control pole 32 is all installed in the higher authority four corners of base 33, backup pad 31 is installed to altitude mixture control pole 32's upper end, be equipped with in backup pad 31 with the cambered surface of 2 outer wall looks adaptations of pole, can realize adjusting the height of backup pad 31 through twisting the nut of moving on the altitude mixture control pole 32, and then adjust the height of pole 2.

When in use, the electric pole 2 is arranged on the rolling support 3 to move, and if the pole length is less than or equal to 10m, one rolling support 3 is preferably adopted; if the length of the rod is more than 10m, two or more rolling stands 3 are preferably used. The height of the electric pole 2 is adjusted by the height adjusting rod 32 of the rolling support 3, and the electric pole is installed on the pedestal 1 and subjected to a mechanical experiment.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a big moment of flexure annular concrete pole tower mechanics laboratory bench, includes pedestal (1), its characterized in that: pole (2) are installed to one side of pedestal (1), install the fixing device who is used for fixed pole (2) on pedestal (1), the mid-mounting of pedestal (1) has one or more rolling support (3) that are used for the installation, load dynamometer (7) and deflection appearance (8) are installed respectively to the one end both sides that pedestal (1) were kept away from in pole (2).

2. The large bending moment annular concrete pole tower mechanical experiment table according to claim 1, wherein the fixing device comprises two U-shaped base plates (6) installed inside the pedestal (1), U-shaped pressing plates (9) are movably clamped inside the U-shaped base plates (6), the U-shaped pressing plates (9) and the U-shaped base plates (6) are respectively abutted to two sides of the electric pole (2) and fixed through bolts (10), and position measuring instruments are respectively arranged on the outer sides, located on the two U-shaped pressing plates (9), of the pedestal (1).

3. The large bending moment annular concrete pole tower mechanical experiment table as claimed in claim 2, wherein the fixing device comprises a plurality of hooks (11) poured inside the pedestal (1), one end of each hook (11) extends to the outer side of the pedestal (1) and is welded with a first flange (4), and a second flange (5) fixed with the first flange (4) is installed at the tail end of the electric pole (2).

4. The large bending moment annular concrete pole tower mechanical experiment table according to claim 3, wherein the rolling support (3) comprises a base (33), rollers are arranged at four corners of the base (33), height adjusting rods (32) are arranged at four corners of the upper surface of the base (33), and a supporting plate (31) is arranged at the upper ends of the height adjusting rods (32).