CN113252271A

CN113252271A - Civil structure antidetonation experimental apparatus

Info

Publication number: CN113252271A
Application number: CN202110546821.5A
Authority: CN
Inventors: 张晨阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-08-13

Abstract

The invention discloses a seismic experiment device for a civil structure, which comprises a vibration plate, a bottom plate and a shakable mechanism, wherein the shakable mechanism is positioned between the vibration plate and the bottom plate; the pulling mechanism is used for pulling the vibration plate to shake front and back, left and right; and the swinging mechanism is used for swinging the vibrating plate and the bottom plate, and aims to solve the problems that the conventional anti-vibration experimental device is not comprehensive and cannot simulate vertical vibration in different directions and the like.

Description

Civil structure antidetonation experimental apparatus

Technical Field

The invention relates to a civil structure earthquake-proof experimental device.

Background

The existing civil engineering earthquake-proof test modes comprise an earthquake simulation vibration table test, an artificial earthquake simulation test and a natural earthquake structure test, but the existing civil engineering structure earthquake-proof test device cannot simulate vertical vibration in different directions and cannot comprehensively simulate the earthquake in the earthquake, so that the earthquake-proof test device for the civil engineering structure is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the problems that the existing earthquake-proof experimental device is not comprehensive and cannot simulate vertical vibration in different directions and the like, and provides the earthquake-proof experimental device for the civil structure.

The technical scheme for realizing the purpose is as follows: the utility model provides a civil structure antidetonation experimental apparatus, includes vibrations board and bottom plate, still includes: a shakable mechanism located between the vibration plate and the bottom plate; the pulling mechanism is used for pulling the vibration plate to shake front and back, left and right; and a swing mechanism for swinging the vibration plate and the bottom plate.

Preferably, the mechanism of can rocking includes four connecting rods, the lower terminal surface of vibrations board with four sleeves of upper end all fixed connection of bottom plate, every all place the ball in the sleeve, every the sleeve opening part all sets up the spacing ring, the lower terminal surface of vibrations board with every relative two of upper end surface of bottom plate the ball in the sleeve all passes through the connecting rod is connected.

Preferably, the pulling mechanism comprises four ropes, the four side walls of the vibrating plate are fixedly connected with one rope, the other ends of the four ropes are respectively and fixedly connected with one end of a rack, the rack is meshed with the first disc gear, the side edge of the first disc gear is fixedly connected with the output end of the first motor, and the first motor is fixedly connected with the fixed table.

Preferably, the swing mechanism comprises four telescopic rods, four corners of the lower end surface of the bottom plate are fixedly connected with one telescopic rod, the left side and the right side of the lower end surface of the bottom plate are fixedly connected with two push-pull rods, one side of the lowest end of each push-pull rod, which deviates from each other, is connected with a second disc gear through a shaft, discs are arranged on the lower end surfaces of the two push-pull rods, a section of convex tooth is arranged on the edge of each disc, and the center of the lower end surface of each disc is fixedly connected with the output end of a second motor.

Preferably, the convex teeth are matched with the two second disc gears.

Preferably, a bracket is arranged below the second motor to fix the second motor, so that the disc is not in contact with the lower end face of the push-pull rod, and the convex teeth are in contact with the second disc gear.

Preferably, the back of the rack slides on the fixed table, and the fixed table is provided with a limit block for limiting the rack not to slide off the fixed table.

Preferably, the two sides of the convex tooth are lower, and the middle part of the convex tooth is higher.

The invention has the beneficial effects that: the lower end face of the vibration plate and the upper end face of the bottom plate are fixedly connected with four sleeves, a round ball is placed in each sleeve, and the round balls in every two opposite sleeves on the lower end face of the vibration plate and the upper end face of the bottom plate are connected through a connecting rod, so that the vibration plate and the bottom plate can be connected and are not fixedly connected and are convenient to shake; the first motor of the pulling mechanism drives the teeth to move, so that the left and right shaking and the front and back shaking of the vibrating plate can be realized; through setting up the bottom plate under the terminal surface left and right sides fixed connection push-and-pull rod, the second disc gear is connected to two push-and-pull rods bottom, the terminal surface sets up the disc under two push-and-pull rods, and disc edge is provided with a section dogtooth, and the dogtooth and two second disc gear looks adaptations can realize the shake of bottom plate and vibrations board for it is true when the earthquake more closely to be the pattern.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a detail view of the rocking mechanism of the present invention;

fig. 3 is a detailed view of the shakable mechanism of the present invention.

In the figure: 1 vibrating plate, 2 bottom plates, 3 sleeves, 4 connecting rods, 5 balls, 6 limiting rings, 7 ropes, 8 fixing tables, 9 racks, 10 first motors, 11 first disc gears, 12 telescopic rods, 13 push-pull rods, 14 second disc gears, 15 discs, 16 convex teeth, 17 second motors and 18 shafts.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The invention will be further explained with reference to the drawings.

As shown in fig. 1-3, an earthquake-proof experimental device for civil structure comprises a vibrating plate 1, a bottom plate 2, a swayable mechanism, a pulling mechanism and a swaying mechanism, wherein the swayable mechanism is located between the vibrating plate 1 and the bottom plate 2, the pulling mechanism is used for pulling the vibrating plate 1 to sway all around, and the swaying mechanism enables the vibrating plate 1 and the bottom plate 2 to sway.

Specifically, can rock the mechanism and include four connecting rods 4, the lower terminal surface of vibrations board 1 with the up end of bottom plate 2 is four sleeves 3 of fixed connection, every all place the ball 5 in the sleeve 3, every 3 openings of sleeve all set up spacing ring 6, the lower terminal surface of vibrations board 1 with every relative two of the up end of bottom plate 2 the ball 5 in the sleeve 3 all passes through connecting rod 4 is connected, can couple together vibrations board 1 and bottom plate 2 and not fixed connection conveniently rocks.

It is specific, pulling mechanism includes four ropes 7, all rope 7 of fixed connection on the four sides lateral wall of vibrations board 1, four the other end of rope 7 all is the one end of a fixed connection rack 9 respectively, rack 9 meshes with first disc gear 11 mutually, the rack 9 back slide in on the fixed station 8, drive the tooth motion through setting up the first motor 10 of pulling mechanism and can realize shaking about and around vibrations board 1, be provided with the stopper restriction on the fixed station 8 rack 9 can not the landing fixed station 8, the output of the first motor 10 of side fixed connection of first disc gear 11, on the first motor 10 fixed connection fixed station 8.

Specifically, the swing mechanism comprises four telescopic rods 12, four corners of the lower end surface of the bottom plate 2 are fixedly connected with one telescopic rod 12, the left side and the right side of the lower end surface of the bottom plate 2 are fixedly connected with push-pull rods 13, one side of the two push-pull rods 13, which is far away from the lowest end, is connected with a second disc gear 14 through a shaft 18, the lower end surfaces of the two push-pull rods 13 are provided with discs 15, the edges of the discs 15 are provided with a section of convex teeth 16, the convex teeth 16 are matched with the two second disc gears 14, so that the bottom plate 2 and the vibrating plate 1 can shake, the true mode during earthquake is realized, the center of the lower end surface of each disc 15 is fixedly connected with the output end of a second motor 17, a bracket is arranged below the second motor 17 to fix the height of the second motor 17, so that the discs 15 are not contacted with the lower end surface of the push-pull rods 13, and the convex teeth 16 are contacted with the second disc gears 14, one segment of the teeth 16 is lower at both sides and higher at the middle.

The working principle of the invention is as follows: placing the civil structure on vibrations board 1, vibrations board 1 left side first motor 10 rotates and drives rack 9 and move left, stimulates vibrations board 1 and moves left, and the first motor 10 stall in vibrations board 1 left side, and first motor 10 on vibrations board 1 right side drives rack 9 and moves right, stimulates vibrations board 1 and moves right, and the mechanism around vibrations board 1 is the same principle also. In a normal state, the four telescopic rods 12 support the bottom plate 2, when the second motor 17 rotates to drive the disc 15 to rotate, the convex teeth 16 are in contact with the second disc gear 14 on the right side to lift the right push-pull rod 13, the two telescopic rods 12 on the right side upwards extend out of a small section, the two telescopic rods 12 on the left side are immobile, when the convex teeth 16 are in contact with the second disc gear 14 on the left side, the left push-pull rod 13 is lifted, the two telescopic rods 12 on the left side upwards extend out of a small section, the two telescopic rods 12 on the right side downwards retract to the normal state, and the condition of simulating an earthquake can be achieved through sequential reciprocating motion.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a civil structure antidetonation experimental apparatus, includes vibrations board (1) and bottom plate (2), its characterized in that still includes: the shakable mechanism is positioned between the vibrating plate (1) and the bottom plate (2); the pulling mechanism is used for pulling the vibrating plate (1) to shake front and back, left and right; and a swing mechanism for swinging the vibration plate (1) and the bottom plate (2).

2. An earthquake-resistant experimental device for civil structures according to claim 1, wherein the shaking mechanism comprises four connecting rods (4), the lower end face of the shaking plate (1) and the upper end face of the bottom plate (2) are fixedly connected with four sleeves (3), a round ball (5) is placed in each sleeve (3), a limiting ring (6) is arranged at the opening of each sleeve (3), and the round balls (5) in each two opposite sleeves (3) of the lower end face of the shaking plate (1) and the upper end face of the bottom plate (2) are connected through the connecting rods (4).

3. An earthquake-resistant experimental device for civil structures according to claim 1, wherein the pulling mechanism comprises four ropes (7), the four side walls of the vibration plate (1) are fixedly connected with one rope (7), the other ends of the four ropes (7) are respectively and fixedly connected with one end of a rack (9), the rack (9) is meshed with a first disc gear (11), the side edge of the first disc gear (11) is fixedly connected with the output end of a first motor (10), and the first motor (10) is fixedly connected with the fixed table (8).

4. An earthquake-resistant experimental device for civil structures according to claim 1, wherein the swinging mechanism comprises four telescopic rods (12), four corners of the lower end surface of the bottom plate (2) are fixedly connected with one telescopic rod (12), the left side and the right side of the lower end surface of the bottom plate (2) are fixedly connected with push-pull rods (13), one side of the two push-pull rods (13) which are far away from each other at the lowest end is connected with a second disc gear (14) through a shaft (18), a disc (15) is arranged on the lower end surface of the two push-pull rods (13), a section of convex tooth (16) is arranged on the edge of the disc (15), and the center of the lower end surface of the disc (15) is fixedly connected with the output end of a second motor (17).

5. An earthquake-resistant test device for civil structures according to claim 4, characterised in that said teeth (16) are adapted to the two second carousel gears (14).

6. An earthquake-resistant experimental facility of a civil structure according to claim 4, characterised in that a support is provided below the second motor (17) to fix the second motor (17) so that the disc (15) does not contact the lower end face of the push-pull rod (13) and the teeth (16) contact the second disc gear (14).

7. An earthquake-resistant experimental device for civil structures according to claim 3, characterized in that the back of the rack (9) slides on the fixed platform (8), and the fixed platform (8) is provided with a limit block to limit the rack (9) from sliding off the fixed platform (8).

8. An earthquake-resistant experimental facility for civil structures according to claim 4, characterised in that the teeth (16) are lower on both sides and higher in the middle.