CN216695863U

CN216695863U - Fixing device convenient to disassemble and assemble for steel bridge stiffening plate axial compression experiment

Info

Publication number: CN216695863U
Application number: CN202123281453.0U
Authority: CN
Inventors: 周泽成; 马志群; 蔡奕昌
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-07
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a fixing device convenient to disassemble and assemble for a steel bridge stiffening plate axial compression experiment, which comprises an axial compression experiment device and a fixing device main body, wherein the fixing device main body is arranged on the axial compression experiment device, a test plate is arranged on the axial compression experiment device, stand columns are symmetrically arranged on two sides of the axial compression experiment device, the upper end and the lower end of each stand column are respectively connected with a top connecting seat and a bottom plate, an adjusting seat is further arranged between the stand columns, a square hollow cylinder structure is arranged outside the fixing device main body, an adjusting box is arranged in the fixing device main body, a rotating shaft penetrates through the adjusting box, a driving motor is arranged on one side of the rotating shaft through a coupler, an adjusting clamp plate is arranged on the other side of the rotating shaft, and a fixing clamp is arranged on the other side of the adjusting clamp plate. This fixing device of dismouting of being convenient for steel bridge stiffening plate axial-compression experiment can be laborsaving carry out the fixed processing of dismouting to the laboratory panel, can also adjust the processing to the laboratory panel, makes things convenient for the laboratory panel to carry out horizontal and fore-and-aft axial-compression experiment.

Description

Fixing device convenient to disassemble and assemble for steel bridge stiffening plate axial compression experiment

Technical Field

The utility model relates to the technical field of steel bridge stiffening plate experiment devices, in particular to a fixing device convenient to disassemble and assemble for a steel bridge stiffening plate axial compression experiment.

Background

The steel bridge is a bridge using steel as a main construction material. The steel bridge has the characteristics of high strength and high rigidity, and can reduce the height and the dead weight of a beam relative to a concrete bridge. The stiffening plate is a structural member which adds tensile, compressive or torsional force to a stressed member on the steel bridge. The stiffening plate consists of a motherboard and stiffening ribs, and the stiffening ribs are welded on the motherboard.

The existing steel bridge stiffening plate needs to be subjected to axial compression test, which is an important component of civil engineering test, in order to meet the requirements of scientific research and engineering, the axial compression test is frequently carried out in a laboratory so as to detect the pressure resistance of the steel bridge stiffening plate, and when the steel bridge stiffening plate is subjected to the axial compression test treatment, the steel bridge stiffening plate generally needs to be subjected to experimental treatment in the transverse and longitudinal directions, but the steel bridge stiffening plate is inconvenient to fix, and meanwhile, the steel bridge stiffening plate cannot be conveniently adjusted and treated after being fixed, so that the axial compression test treatment is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing device convenient to disassemble and assemble for a steel bridge stiffening plate axial compression test, which is provided by the background art and aims to solve the problems that the steel bridge stiffening plate in the current market generally needs to be subjected to experimental treatment in the transverse direction and the longitudinal direction when being subjected to axial compression test treatment, but is inconvenient to fix, and cannot be conveniently adjusted and treated after being fixed, so that the axial compression test treatment is inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fixing device of dismouting of being convenient for steel bridge stiffening plate axle pressure experiment, includes axle pressure experimental apparatus and fixing device main part, the fixing device main part is installed on axle pressure experimental apparatus, and is equipped with the test board on the axle pressure experimental apparatus, axle pressure experimental apparatus bilateral symmetry is equipped with the stand, and both ends are connected with top connecting seat and bottom plate respectively about the stand, still install between the stand and adjust the seat, and adjust a lower extreme and bottom plate upper end and install corresponding axle pressure seat in position and supporting seat respectively, the fixing device main part is equipped with square hollow cylinder structure outward, and is equipped with the regulating box in the fixing device main part, run through the pivot in the regulating box, and pivot wherein one side installs driving motor through the shaft coupling, the pivot opposite side is equipped with adjusts splint, and adjusts the splint opposite side and install mounting fixture.

Preferably, vertical bar-shaped grooves are symmetrically formed in two opposite faces of the square hollow cylinder structure outside the fixing device main body, and the square hollow cylinder structure outside the fixing device main body is fixedly connected with the stand column and the bottom plate through bolts.

Preferably, the fixing device body is provided with a groove on the structure of a square hollow cylinder outside the fixing device body, the groove is movably connected with the rotating shaft, and the rotating shaft and the fixing clamp are respectively close to two opposite ends of the adjusting clamp plate.

Preferably, the adjusting box is movably clamped in a square hollow cylinder structure outside the fixing device main body, and the lower end of the adjusting box is fixedly connected with a hydraulic driving cylinder through a bolt.

Preferably, an inserting rod structure for adjusting the fixation of the clamping plate is movably inserted outside the rotating shaft.

Preferably, the test plate is arranged between the fixing clamps, and the fixing clamps are symmetrically arranged on two sides of the supporting seat.

Compared with the prior art, the utility model has the beneficial effects that: this fixing device of being convenient for dismouting for steel bridge stiffening plate axle load experiment can be laborsaving carries out dismouting fixed processing to the laboratory sheet, can also adjust the processing to the laboratory sheet, makes things convenient for the laboratory sheet to carry out horizontal and fore-and-aft axle load experiment. This fixing device of being convenient for dismouting for steel bridge stiffening plate axle load experiment sets up fixing device in the stand side of axle load experimental apparatus, has still set up hydraulic drive jar in the fixing device, can adjust the fixed height of experiment board and handle, makes things convenient for the use of axle load experimental apparatus.

Drawings

FIG. 1 is a schematic structural view of a fixing device which is convenient to disassemble and assemble and used for a steel bridge stiffening plate axial compression experiment;

FIG. 2 is an enlarged schematic structural view of the A position in FIG. 1 of the fixing device convenient for disassembly and assembly for the steel bridge stiffening plate axial compression experiment of the present invention;

FIG. 3 is a top view of a fixing device for a steel bridge stiffening plate axial compression experiment, which is convenient to disassemble and assemble;

fig. 4 is a side view of the fixing device which is convenient to disassemble and assemble and used for the steel bridge stiffening plate axial compression experiment.

In the figure: 1. an axial compression experimental device; 2. a column; 3. a top connection seat; 4. an adjusting seat; 5. a shaft pressing seat; 6. a fixing device main body; 7. a drive motor; 8. an adjusting box; 9. a hydraulic drive cylinder; 10. adjusting the clamping plate; 11. a rotating shaft; 12. a test plate; 13. a supporting seat; 14. a base plate; 15. and (5) fixing the clamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a fixing device convenient for disassembly and assembly for a steel bridge stiffening plate axial compression experiment comprises an axial compression experiment device 1 and a fixing device main body 6, wherein the fixing device main body 6 is installed on the axial compression experiment device 1, a test plate 12 is arranged on the axial compression experiment device 1, stand columns 2 are symmetrically arranged on two sides of the axial compression experiment device 1, the upper end and the lower end of each stand column 2 are respectively connected with a top connecting seat 3 and a bottom plate 14, an adjusting seat 4 is further installed between the stand columns 2, each stand column 2 is a device for vertical movement adjustment on the existing axial compression experiment device and can enable the adjusting seat 4 to carry out downward pressing treatment, so that the test plate 12 can be subjected to the axial compression experiment treatment, the lower end of the adjusting seat 4 and the upper end of the bottom plate 14 are respectively provided with an axial compression seat 5 and a supporting seat 13 which correspond in position, a square hollow cylinder structure is arranged outside the fixing device main body 6, two opposite sides of the square hollow cylinder structure outside the fixing device main body 6 are symmetrically provided with vertical strip-shaped grooves, the fixing device body 6 is fixedly connected with the upright post 2 and the bottom plate 14 through bolts, the fixing device body 6 can be stably fixed on the upright post 2 under the action of the external square hollow cylinder structure, so that the axial compression experiment device 1 can perform auxiliary fixing treatment on the test plate 12 through the upright post 2 when in use, the test plate 12 is more labor-saving to fix, and the test plate 12 is convenient to assemble and disassemble, an adjusting box 8 is arranged in the fixing device body 6, a rotating shaft 11 penetrates through the adjusting box 8, a groove formed in the square hollow cylinder structure outside the fixing device body 6 is movably connected with the rotating shaft 11, the rotating shaft 11 and the fixing clamp 15 are respectively close to two opposite ends of the adjusting clamp plate 10, and the structure can ensure that the test plate 12 fixed between the fixing clamps 15 can have deviation of a certain distance after rotating when the rotating shaft 11 drives the adjusting clamp plate 10 to rotate, thereby the test board 12 can be positioned between the upright posts 2 after rotating, the axial pressure seat 5 and the supporting seat 13 can carry out axial pressure experiment treatment on the test board 12, the test board 12 can rotate, the test board 12 can carry out transverse and longitudinal axial pressure experiments, the adjusting box 8 is movably clamped in a square hollow cylinder structure outside the fixing device main body 6, the lower end of the adjusting box 8 is fixedly connected with a hydraulic driving cylinder 9 through a bolt, the structure can lead the adjusting box 8 to carry out up-and-down movement treatment under the driving of the hydraulic driving cylinder 9, thereby the test board 12 can carry out position adjustment treatment after being fixed, the test board 12 can conveniently adjust the fixed position according to the requirement, and further the fixing and the subsequent disassembly treatment of the test board 12 are more convenient, the hydraulic driving cylinder 9 is the existing hydraulic oil cylinder, the linear reciprocating movement treatment is realized through the piston movement, and the driving motor 7 is arranged on one side of the rotating shaft 11 through a coupler, the driving motor 7 is an existing stepping motor structure and can rotate forward and backward, the test plate 12 fixed between the fixing clamps 15 can be adjusted to be in a horizontal or vertical state, the axial compression experiment treatment of the test plate 12 is facilitated, the adjusting clamp plate 10 is arranged on the other side of the rotating shaft 11, an inserting rod structure for fixing the adjusting clamp plate 10 is movably inserted outside the rotating shaft 11, the structure can enable the position of the adjusting clamp plate 10 relative to the adjusting box 8 to be adjusted, the distance between the adjusting clamp plates 10 can be adjusted, the test plates 12 of different sizes can be conveniently fixed, the fixing clamps 15 are arranged on the other sides of the adjusting clamp plates 10, the test plate 12 is located between the fixing clamps 15, the fixing clamps 15 are symmetrically located on two sides of the supporting seat 13, the fixing clamps 15 of the structure are the existing clamp structure, and the clamp seats of the fixing clamps 15 can be adjusted through a lead screw adjusting principle, a pneumatic adjusting principle and the like, let test board 12 can fix through mounting fixture 15 and handle, when fixing test board 12, can make test board 12 support through mounting fixture seat of mounting fixture 15 earlier, then make mounting fixture 15's movable fixture seat carry out the firm processing of centre gripping to test board 12, realize the fixed position of test board 12 and handle, and then make things convenient for the fixed of test board 12, and when dismantling test board 12, can make test board 12 remain steadily throughout, improve the convenience and the security that test board 12 dismantled.

The working principle is as follows: when the fixing device convenient to disassemble and assemble for the steel bridge stiffened plate axial compression experiment is used, firstly, the distance between the clamping plates 10 is adjusted according to the width of the test plate 12, then the test plate 12 is fixed and positioned by the fixing clamp seat at the lower end of the adjusting clamping plate 10, the test plate 12 is fixed to a proper position, then the test plate 12 is fastened by the movable clamp seat of the fixing clamp 15 through the driving of the fixing clamp 15, then the axial compression seat 5 is close to the test plate 12 through the movement of the adjusting seat 4 on the upright post 2, the test plate 12 can be subjected to a transverse axial compression experiment, when the test plate 12 is subjected to a longitudinal axial compression experiment, the adjusting box 8 is driven by the hydraulic driving cylinder 9 to move under the limit of the square hollow main body structure outside the fixing device main body 6, and when the test plate 12 moves to a certain height, the rotating shaft 11 is driven by the driving motor 7 to drive the adjusting clamping plate 10 to rotate, let the vertical setting of test board 12, and the skew pivot 11 of test board 12, can make test board 12 be between stand 2, later through supporting seat 13 with the axle press seat 5 to test board 12 the upper and lower both ends fix can, top connecting seat 3 and bottom plate 14 play the effect that the support is firm to the upper and lower both ends of axle press experimental apparatus 1 respectively, after test board 12 experiment finishes, drive mounting fixture 15 loosens the fixed to test board 12, then will test board 12 take off can, thereby accomplish a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a fixing device of dismouting of being convenient for steel bridge stiffener axial compression experiment, includes axial compression experimental apparatus (1) and fixing device main part (6), install on axial compression experimental apparatus (1) fixing device main part (6), and be equipped with test board (12) on axial compression experimental apparatus (1), axial compression experimental apparatus (1) bilateral symmetry is equipped with stand (2), and both ends are connected with top connecting seat (3) and bottom plate (14) respectively about stand (2), still install between stand (2) and adjust seat (4), and adjust seat (4) lower extreme and bottom plate (14) upper end and install corresponding axial compression seat (5) in position and supporting seat (13) its characterized in that respectively: the fixing device is characterized in that a square hollow cylinder structure is arranged outside the fixing device body (6), an adjusting box (8) is arranged in the fixing device body (6), a rotating shaft (11) penetrates through the adjusting box (8), a driving motor (7) is installed on one side of the rotating shaft (11) through a coupler, an adjusting clamping plate (10) is arranged on the other side of the rotating shaft (11), and a fixing clamp (15) is installed on the other side of the adjusting clamping plate (10).

2. The fixing device convenient to disassemble and assemble for the steel bridge stiffening plate axial compression experiment according to claim 1, is characterized in that: vertical bar-shaped grooves are symmetrically formed in two opposite surfaces of the square hollow cylinder structure outside the fixing device main body (6), and the square hollow cylinder structure outside the fixing device main body (6) is fixedly connected with the stand column (2) and the bottom plate (14) through bolts.

3. The fixing device convenient to disassemble and assemble for the steel bridge stiffening plate axial compression experiment according to claim 1, is characterized in that: the fixing device is characterized in that a groove formed in a square hollow cylinder structure outside the fixing device main body (6) is movably connected with the rotating shaft (11), and the rotating shaft (11) and the fixing clamp (15) are respectively close to two opposite ends of the adjusting clamp plate (10).

4. The fixing device convenient to disassemble and assemble for the steel bridge stiffening plate axial compression experiment according to claim 1, is characterized in that: the adjusting box (8) is movably clamped in a square hollow cylinder structure outside the fixing device main body (6), and the lower end of the adjusting box (8) is fixedly connected with a hydraulic driving cylinder (9) through a bolt.

5. The fixing device convenient to disassemble and assemble for the steel bridge stiffening plate axial compression experiment according to claim 1, is characterized in that: an inserting rod structure used for fixing the adjusting splint (10) is movably inserted outside the rotating shaft (11).

6. The fixing device convenient to disassemble and assemble for the steel bridge stiffening plate axial compression experiment according to claim 1, is characterized in that: the test plate (12) is arranged between the fixing clamps (15), and the fixing clamps (15) are symmetrically arranged on two sides of the supporting seat (13).