CN211904941U

CN211904941U - Pressure bar stabilization experimental device with lateral support

Info

Publication number: CN211904941U
Application number: CN202020617113.7U
Authority: CN
Inventors: 赵晓军; 刘代春
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-10
Anticipated expiration: 2030-04-22

Abstract

The utility model provides an experimental apparatus is stabilized to depression bar of taking side direction to support relates to the depression bar and stabilizes experiment technical field, comprising a base plate, the upper end fixedly connected with load cylinder of bottom plate, and the arm upper end of load cylinder's output is equipped with joint bearing, joint bearing's upper end fixedly connected with deflector, and the inside of deflector is inserted and is equipped with the loading stand, loading stand and deflector sliding connection, and the first free bearing of one end fixedly connected with of bottom plate is kept away from to the deflector, and the upper end of first free bearing is equipped with the steady test piece, and the one end that the deflector was kept away from to the steady test piece is equipped with the roof. The utility model discloses, the bottom plate is placed on ground or laboratory bench through the leveling foot stool, and loading cylinder fixes on the bottom plate, and loading cylinder upper portion installation hydro-cylinder connecting plate, hydro-cylinder connecting plate play fixed loading cylinder's effect, and loading cylinder piston rod tip is connected to the deflector through joint bearing, and loading cylinder piston rod exerts pressure to the steady test piece of pressure through driving the deflector.

Description

Pressure bar stabilization experimental device with lateral support

Technical Field

The utility model relates to an experiment technical field is stabilized to the depression bar, especially relates to an experimental apparatus is stabilized to depression bar of taking side direction to support.

Background

The compression bar stability test can be of any material provided that the member is rod-shaped, mainly for measuring the stability of the structure, and is bending until failure of the rod-shaped structure.

The middle of the existing compression bar stability test device is not provided with a structure capable of providing lateral support for a pressure stability test piece, and a disturbance mechanism applies lateral disturbance to the pressure stability test piece in the test process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure bar stabilizing experimental device with a lateral support.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an experimental apparatus is stabilized to depression bar of taking side direction to support, includes the bottom plate, the upper end fixedly connected with loading cylinder of bottom plate, the arm upper end of loading cylinder's output is equipped with joint bearing, joint bearing's upper end fixedly connected with deflector, the inside of deflector is inserted and is equipped with the loading stand, loading stand and deflector sliding connection, the first free bearing of one end fixedly connected with of bottom plate is kept away from to the deflector, the upper end of first free bearing is equipped with the steady test piece, the one end that the deflector was kept away from to the steady test piece is equipped with the roof, the bottom fixedly connected with spoke sensor of roof, the bottom fixedly connected with second free bearing of spoke sensor, the bottom and the steady test piece fixed connection of second free bearing.

Preferably, the bottom end of the bottom plate is fixedly connected with four foot seats, and the four foot seats are uniformly distributed at the bottom end of the bottom plate.

Preferably, an oil cylinder connecting plate is arranged at the upper end of the loading oil cylinder, a loading upright post is inserted into the oil cylinder connecting plate, and the oil cylinder connecting plate and the loading upright post are mutually perpendicular and fixedly connected.

Preferably, two interference sliding plates are arranged between the guide plate and the top plate, the two interference sliding plates are respectively sleeved on the surfaces of the two loading upright posts, and interference rods are respectively inserted into the two interference sliding plates.

Preferably, circular arc grooves are formed in the ends, close to each other, of the first hinged support and the second hinged support, and two ends of the compression test piece are arranged in the two circular arc grooves.

Preferably, the surface of the loading stand column is uniformly provided with a clamping groove, a clamping ring is clamped inside the clamping groove, a fixing plate is arranged at the upper end of the clamping ring, and the fixing plate is fixedly connected with the top plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

in the utility model, a bottom plate is placed on the ground or an experiment table through a leveling foot seat, a loading oil cylinder is fixed on the bottom plate, an oil cylinder connecting plate is arranged at the upper part of the loading oil cylinder, the oil cylinder connecting plate plays a role of fixing the loading oil cylinder, the end part of a piston rod of the loading oil cylinder is connected to a guide plate through a joint bearing, a piston rod of the loading oil cylinder applies pressure to a compression-stabilizing test piece through driving the guide plate, a first hinged support and a second hinged support are respectively processed at the upper connecting part and the lower connecting part of the compression-stabilizing test piece, lateral interference can be applied to the compression-stabilizing test piece through an interference rod in the experiment process, a top plate is provided with a snap ring which is clamped inside the snap ring, a fixed plate matched with an experiment top plate can be locked on a loading upright post according to modulus, experimental spaces with different sizes are created, the, secondly, the strain gauges pasted on the two sides of the voltage stabilization test piece can be used for judging the state of the voltage stabilization test piece, the voltage stabilization test piece can be adjusted directly at any time, the fact that the voltage stabilization test piece is kept in a linear compression state before instability is guaranteed, thirdly, lateral interference force can be applied to the voltage stabilization test piece, instability phenomenon of the voltage stabilization test piece based on instability definition of the voltage stabilization test piece can be well demonstrated, stress of the voltage stabilization test piece is detected through a wheel spoke type sensor, and a test graph line is enabled to be closer to the situation of an ideal compression bar.

Drawings

FIG. 1 is a schematic perspective view of a pressure bar stability experiment device with lateral support according to the present invention;

FIG. 2 is a bottom view of FIG. 1 of a pressure bar stabilization experimental apparatus with lateral support according to the present invention;

FIG. 3 is an exploded schematic view of a pressure bar stabilization experimental apparatus with lateral support according to the present invention;

fig. 4 is the utility model provides a A department's schematic structure diagram of fig. 1 among the experimental apparatus is stabilized to depression bar of taking side direction to support.

Illustration of the drawings: 1. a foot seat; 2. a base plate; 3. loading an oil cylinder; 4. an oil cylinder connecting plate; 5. loading the upright column; 6. a guide plate; 7. a first hinge base; 8. a pressure stabilization test piece; 9. interfering with the skateboard; 10. an interference lever; 11. a top plate; 12. a knuckle bearing; 13. a second hinge base; 14. a spoke-type sensor; 15. a card slot; 16. a snap ring; 17. and (7) fixing the plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-4, the utility model provides a pressure bar stability experiment device with lateral support, which comprises a bottom plate 2, wherein the bottom end of the bottom plate 2 is fixedly connected with four foot seats 1, the foot seats 1 are uniformly distributed at the bottom end of the bottom plate 2, the upper end of the bottom plate 2 is fixedly connected with a loading oil cylinder 3, the upper end of the loading oil cylinder 3 is provided with an oil cylinder connecting plate 4, a loading upright post 5 is inserted in the oil cylinder connecting plate 4, the oil cylinder connecting plate 4 and the loading upright post 5 are mutually vertically and fixedly connected, the upper end of the output arm of the loading oil cylinder 3 is provided with a joint bearing 12, the upper end of the joint bearing 12 is fixedly connected with a guide plate 6, the loading upright post 5 is inserted in the guide plate 6, the surface of the loading upright post 5 is uniformly provided with a clamping groove 15, the clamping ring 16 is clamped in the clamping groove 15, the upper end of, loading stand 5 and deflector 6 sliding connection, be equipped with two interference slide 9 between the two of deflector 6 and roof 11, two interference slide 9 overlap respectively on the surface of two loading stands 5, interference rod 10 is inserted respectively to the inside of two interference slide 9, the one end fixedly connected with first free bearing 7 of bottom plate 2 is kept away from to deflector 6, circular arc recess has all been seted up to the one end that first free bearing 7 and second free bearing 13 are close to each other, and the inside both ends that are equipped with the steady test piece 8 of two circular arc recesses, the upper end of first free bearing 7 is equipped with steady test piece 8, the one end that the steady test piece 8 keeps away from deflector 6 is equipped with roof 11, the bottom fixedly connected with spoke type sensor 14 of roof 11, the bottom fixedly connected with second free bearing 13 of spoke type sensor 14, the bottom and the steady test piece 8 fixed connection of second free bearing 13.

The whole device achieves the effects that a bottom plate 2 is placed on the ground or an experiment table through a leveling foot seat 1, a loading oil cylinder 3 is fixed on the bottom plate 2, an oil cylinder connecting plate 4 is installed on the upper portion of the loading oil cylinder 3, the oil cylinder connecting plate 4 plays a role of fixing the loading oil cylinder 3, the end portion of a piston rod of the loading oil cylinder 3 is connected to a guide plate 6 through a joint bearing 12, a piston rod of the loading oil cylinder 3 drives the guide plate 6 to apply pressure on a pressure stabilizing test piece 8, a first hinged support 7 and a second hinged support 13 are respectively machined at the upper connecting portion and the lower connecting portion of the pressure stabilizing test piece 8, lateral interference can be applied to the pressure stabilizing test piece 8 through an interference rod 10 in the experiment process, a clamping ring 16 is arranged on a top plate 11 and clamped inside a clamping groove 15 through a clamping ring 16, a fixing plate 17 matched with an experiment top plate 11 can be locked on the loading test piece, the stability is good, the interference rod 10 in the middle of the device can provide lateral support for the voltage stabilization test piece 8, the state of the voltage stabilization test piece 8 can be judged by strain gauges pasted on two sides of the voltage stabilization test piece 8, the voltage stabilization test piece 8 can be straightened at any time, the fact that the voltage stabilization test piece 8 is kept in a linear pressure state before being subjected to instability is ensured, lateral interference force can be applied to the voltage stabilization test piece 8, the instability phenomenon of the voltage stabilization test piece 8 based on the instability definition of the voltage stabilization test piece 8 can be well demonstrated, the stress of the voltage stabilization test piece 8 is detected through the wheel spoke type sensor 14, and a test graph line is enabled to be closer to the situation of an ideal pressure lever.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an experimental apparatus is stabilized to depression bar of taking side direction to support, includes bottom plate (2), its characterized in that: the upper end of the bottom plate (2) is fixedly connected with a loading oil cylinder (3), the upper end of an output arm of the loading oil cylinder (3) is provided with a joint bearing (12), the upper end of the joint bearing (12) is fixedly connected with a guide plate (6), a loading upright post (5) is inserted in the guide plate (6), the loading upright post (5) is connected with the guide plate (6) in a sliding way, one end of the guide plate (6) far away from the bottom plate (2) is fixedly connected with a first hinged support (7), a pressure-stabilizing test piece (8) is arranged at the upper end of the first hinged support (7), a top plate (11) is arranged at one end of the pressure-stabilizing test piece (8) far away from the guide plate (6), the bottom end of the top plate (11) is fixedly connected with a spoke type sensor (14), the bottom end of the spoke type sensor (14) is fixedly connected with a second hinged support (13), the bottom end of the second hinged support (13) is fixedly connected with the pressure-stabilizing test piece (8).

2. The pressure bar stabilization experimental device with the lateral support according to claim 1, characterized in that: the bottom fixedly connected with foot seat (1) of bottom plate (2), foot seat (1) is four, and four foot seats (1) evenly distributed are in the bottom of bottom plate (2).

3. The pressure bar stabilization experimental device with the lateral support according to claim 1, characterized in that: the loading device is characterized in that an oil cylinder connecting plate (4) is arranged at the upper end of the loading oil cylinder (3), a loading upright column (5) is inserted into the oil cylinder connecting plate (4), and the oil cylinder connecting plate (4) and the loading upright column (5) are vertically and fixedly connected with each other.

4. The pressure bar stabilization experimental device with the lateral support according to claim 1, characterized in that: two interference sliding plates (9) are arranged between the guide plate (6) and the top plate (11), the two interference sliding plates (9) are respectively sleeved on the surfaces of the two loading upright posts (5), and interference rods (10) are respectively inserted into the two interference sliding plates (9).

5. The pressure bar stabilization experimental device with the lateral support according to claim 1, characterized in that: arc grooves are formed in one ends, close to each other, of the first hinged support (7) and the second hinged support (13), and two ends of the compression test piece (8) are arranged in the two arc grooves.

6. The pressure bar stabilization experimental device with the lateral support according to claim 1, characterized in that: draw-in groove (15) have evenly been seted up on the surface of loading stand (5), snap ring (16) have been blocked to the inside card of draw-in groove (15), the upper end of snap ring (16) is equipped with fixed plate (17), fixed plate (17) and roof (11) fixed connection.