CN210638893U

CN210638893U - Bridge static load test bench

Info

Publication number: CN210638893U
Application number: CN201921951501.2U
Authority: CN
Inventors: 朱建永; 朱建琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-05-29
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a bridge static test platform, establish two frames, every that detect the roof beam body outside including the cover the bottom of frame is equipped with the breach, and installs two screw rods in the breach, two the common threaded connection of screw rod has the screwed pipe, two install the diaphragm jointly before the frame, and the diaphragm is located the upside that detects the roof beam body, install the truss on the roof of frame, the parallel is equipped with a plurality of track boards, every on the diapire of diaphragm the equal sliding connection of track board has a plurality of sliding seats, every all install first hydraulic stem on the diapire of sliding seat, and the drive end of first hydraulic stem sets up downwards. This scheme can be treated the detection roof beam body and realize that the multiple spot static load is exerted pressure, can switch the static load pressure point as required, and its structure self intensity is big and stability is high, accomplishes the back at certain district section experiment, can realize the convenient removal of test bench, and the use is nimble convenient.

Description

Bridge static load test bench

Technical Field

The utility model relates to a bridge static test technical field especially relates to a bridge static test platform.

Background

The bridge static load test is to detect the whole or main parts of the bridge structure by applying pressure, know the working state and bearing capacity of the bridge structure and the parts thereof, verify the design and calculation theory of the bridge structure, check the construction quality, find problems in application and the like.

There are multiple bridge static test platform among the prior art, through the pressure that the test bench was applyed, can be used to detect the security and the stability of bridge, but the test bench among the prior art has following shortcoming: the structure of the test bed is relatively fixed, and after a test in a certain section is finished, the process of moving the next section is relatively complicated and difficult to realize, and is not favorable for conveniently and rapidly completing a static load test; in addition, the pressure application point of the test bed is in a fixed form, and cannot be flexibly changed according to needs, and the pressure application point is moved, so that more different detection data cannot be acquired, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the bridge static test platform that proposes.

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

a bridge static load test bed comprises two frames sleeved on the outer side of a beam body to be detected, wherein a notch is formed in the bottom end of each frame, two screw rods are installed in the notch, the two screw rods are in threaded connection with threaded pipes jointly, a transverse plate is installed in front of the two frames and is located on the upper side of the beam body to be detected, a truss is installed on the top wall of each frame, a plurality of track plates are arranged on the bottom wall of each transverse plate in parallel, each track plate is connected with a plurality of sliding seats in a sliding mode, a first hydraulic rod is installed on the bottom wall of each sliding seat, the driving end of each first hydraulic rod is arranged downwards, two second hydraulic rods are symmetrically installed on the bottom wall of a top plate of each frame, the driving ends of the second hydraulic rods are downwards provided with moving wheels, and rotating shafts are arranged on the inner side walls on the two sides of each frame, and the rotating shaft is provided with a limiting wheel.

Preferably, the frame comprises a top plate, a linear side plate, an arc side plate and a bottom plate, the notch is formed in the top plate of the frame, the limiting wheel is arranged on the linear side plate of the frame through a rotating shaft and a supporting plate, and the arc side plate of the frame is matched with the side wall of the beam body to be detected.

Preferably, the sliding seat is wrapped at the bottom of the track plate and is connected with the track plate in a sliding manner.

Preferably, the truss is composed of a frame and a plurality of inclined support rods.

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

this scheme can be treated the detection roof beam body and realize that the multiple spot static load is exerted pressure, can switch the static load pressure point as required, and its structure self intensity is big and stability is high, accomplishes the back at certain district section experiment, can realize the convenient removal of test bench, and the use is nimble convenient.

Drawings

Fig. 1 is a schematic view of an overall structure of a static load testing stand for a bridge according to the present invention;

fig. 2 is a right side view of a bridge static load test bed provided by the utility model;

FIG. 3 is an enlarged view of the structure of portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B of fig. 2.

In the figure: the device comprises a beam body to be detected 1, a frame 2, a transverse plate 3, a truss 4, a screw rod 5, a threaded pipe 6, a first hydraulic rod 7, a track plate 8, a sliding seat 9, a second hydraulic rod 10, a movable wheel 11, a supporting plate 12, a rotating shaft 13 and a limiting wheel 14.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a bridge static load test bed comprises two frames 2 sleeved outside a beam body 1 to be detected, a gap is arranged at the bottom end of each frame 2, two screw rods 5 are installed in the gap, a threaded pipe 6 is connected to the two screw rods 5 through common threads, a transverse plate 3 is installed in front of the two frames 2, the transverse plate 3 is located on the upper side of the beam body 1 to be detected, a truss 4 is installed on the top wall of each frame 2, a plurality of track plates 8 are arranged on the bottom wall of the transverse plate 3 in parallel, each track plate 8 is connected with a plurality of sliding seats 9 in a sliding mode, a first hydraulic rod 7 is installed on the bottom wall of each sliding seat 9, the driving end of the first hydraulic rod 7 is arranged downwards, two second hydraulic rods 10 are symmetrically installed on the bottom wall of the top plate of each frame 2, the driving end of each second hydraulic rod 10 is arranged downwards and provided with a moving wheel 11, rotating shafts 13 are, the rotating shaft 13 is provided with a limiting wheel 14.

The frame 2 comprises a top plate, a linear side plate, an arc side plate and a bottom plate, the notch is formed in the top plate of the frame 2, the limiting wheel 14 is arranged on the linear side plate of the frame 2 through a rotating shaft 13 and a supporting plate 12, and the arc side plate of the frame 2 is matched with the side wall of the beam body 1 to be detected.

The sliding seat 9 is wrapped at the bottom of the track plate 8 and is connected with the track plate in a sliding way.

The truss 4 is composed of a frame and a plurality of inclined support rods.

The utility model discloses in, the removal wheel 11 that sets up on the diapire of 2 roofs on the frame, when the drive of second hydraulic stem 10, move down to with the roof contact of waiting to detect roof beam body 1, the test bench is whole portable this moment, when treating to remove to the check point, can carry out the static load test.

The static load test was as follows: and controlling each first hydraulic rod 7 to extend, wherein the driving end of each first hydraulic rod 7 props against the top wall of the beam body 1 to be detected, and gradually applying pressure to perform a static load test on the beam body 1 to be detected.

First hydraulic stem 7 passes through slide bracket 9 and the track board 8 sliding connection on the diaphragm 3 diapire, consequently can carry out convenient removal to the position of first hydraulic stem 7 when needing to acquire more different data, treat the different positions of detecting the roof beam body 1 and detect.

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 bridge static load test bed comprises two frames (2) sleeved on the outer side of a beam body (1) to be detected, and is characterized in that the bottom end of each frame (2) is provided with a notch, two screw rods (5) are installed in the notch, the two screw rods (5) are in threaded connection with a threaded pipe (6) jointly, a transverse plate (3) is installed jointly before the two frames (2), the transverse plate (3) is located on the upper side of the beam body (1) to be detected, a truss (4) is installed on the top wall of each frame (2), a plurality of track plates (8) are arranged on the bottom wall of each transverse plate (3) in parallel, each track plate (8) is connected with a plurality of sliding seats (9) in a sliding mode, a first hydraulic rod (7) is installed on the bottom wall of each sliding seat (9), the driving end of each first hydraulic rod (7) is arranged downwards, two second hydraulic rods (10) are symmetrically installed on the bottom wall of the top plate of each frame, the drive end of second hydraulic stem (10) sets up downwards and installs and remove wheel (11), all be equipped with pivot (13) through two backup pad (12) rotations on the inside wall of frame (2) both sides, install spacing wheel (14) on pivot (13).

2. The bridge static load test bed according to claim 1, wherein the frame (2) comprises a top plate, linear side plates, arc side plates and a bottom plate, the notch is formed in the top plate of the frame (2), the limiting wheels (14) are arranged on the linear side plates of the frame (2) through rotating shafts (13) and supporting plates (12), and the arc side plates of the frame (2) are matched with the side walls of the beam body (1) to be detected.

3. The bridge static test bench of claim 1, wherein the sliding seat (9) is wrapped at the bottom of the track plate (8) and is connected with the track plate in a sliding manner.

4. A bridge static test stand according to claim 1, characterized in that the truss (4) consists of a frame and a plurality of inclined support bars.