CN219455434U - Earthquake vibration experiment table with reticulated shell structure - Google Patents

Abstract

The utility model discloses an earthquake vibration experiment table with a latticed shell structure, which comprises a base, a supporting table and a connecting rod, wherein the upper end of the base and the lower end of the supporting table are respectively provided with a bracket, and the two ends of the connecting rod are respectively connected in the brackets in a rotating way. According to the utility model, the latticed shell structure building model is arranged at the upper end of the supporting platform, the pendulum bob is driven to rotate through the double-shaft stretching motor, the connecting rod is respectively connected with the base and the bedplate in a rotating mode through the support, the position of the connecting rod is limited through the supporting component, the shaking frequency of the connecting rod is improved, meanwhile, the fixing frame is used for fixing the positions of the two sides of the supporting platform through the supporting mechanism, and the supporting platform can be driven to shake and vibrate transversely when the pendulum bob rotates, so that the supporting platform can play a role of simulating earthquake vibration, the effect of testing the latticed shell structure building model is achieved, and the latticed shell structure building model is simple in structure, convenient to install and low in manufacturing cost, and therefore the testing cost of the latticed shell structure building model is effectively reduced.

Description

Earthquake vibration experiment table with reticulated shell structure

Technical Field

The utility model belongs to the field of earthquake vibration experiment tables, and particularly relates to an earthquake vibration experiment table with a reticulated shell structure.

Background

The net shell is a space bar system structure similar to a flat net frame, is based on a rod, forms a grid according to a certain rule, is arranged according to a shell structure, has the properties of both a bar system and a shell, and is mainly characterized in that force is transferred point by point through tension, pressure or shearing force in two directions in the shell.

In the prior art, a building model is usually manufactured in the design process of the net shell structure building, and the model of the net shell structure building is tested by adopting the earthquake simulation vibrating table, so that the use safety of the net shell structure building is ensured, but the earthquake simulation vibrating table in the prior art is complex in structure, complex in installation work and high in manufacturing cost, and the detection cost of the net shell structure building is high.

Disclosure of Invention

Aiming at the problems in the background art, the utility model aims to provide the earthquake vibration laboratory table with the reticulated shell structure, so as to solve the problems that the earthquake simulation laboratory table with the reticulated shell structure in the prior art is complex in structure, complex in installation and high in manufacturing cost, thereby influencing the detection cost of the building model with the reticulated shell structure.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a seismic vibration laboratory bench of reticulated shell structure, includes base, brace and connecting rod, the support is all installed to the upper end of base and the lower extreme of brace, the inside at the support is rotated respectively to the both ends of connecting rod, the mounting bracket is all installed in the upper end outside of base and the lower extreme outside of brace, the inner wall of mounting bracket is provided with supporting component, supporting component and the laminating of the outer wall of connecting rod, the inboard of lower extreme of brace is that there is the biax to stretch the motor, the output that the biax stretched the motor is connected with the pendulum, the lateral wall of base is connected with the mount, the upper end of mount is provided with supporting mechanism, supporting mechanism is connected with the lower extreme outside of brace.

Further, as preferred technical scheme, the supporting component includes spring, extension board and locating component, the inner wall at the mounting bracket is installed to the spring, the one end at the spring is connected to the extension board, the outer wall laminating of extension board and connecting rod, locating component sets up in the outside of extension board inner wall.

Further, as the preferable technical scheme, the cushion is installed to the outer wall of extension board, the outer wall of cushion and the outer wall laminating of connecting rod.

Further, as the preferred technical scheme, the locating component includes locating lever and constant head tank, the outside at the extension board inner wall is connected to the locating lever, the outside at the mounting bracket inner wall is seted up to the constant head tank, the one end sliding connection of locating lever is in the inside of constant head tank, the one end of locating lever runs through the mounting bracket through the constant head tank.

Further, as the preferred technical scheme, supporting mechanism includes spout, slider and coupling assembling, the upper end at the mount is seted up to the spout, slider sliding connection is in the inside of spout, the lower extreme of slider outer wall is provided with first spacing subassembly, the spout is run through to the upper end of slider, coupling assembling installs the upper end at the slider, the slider is connected with the lower extreme outside of a rest through coupling assembling.

Further, as the preferred technical scheme, first spacing subassembly includes first stopper and first spacing groove, first stopper is installed in the lower extreme of slider outer wall, first spacing groove is seted up at the inner wall of spout, first stopper sliding connection is in the inside of first spacing groove.

Further, as the preferred technical scheme, the coupling assembling includes adapter sleeve, spliced pole and second spacing subassembly, the adapter sleeve is installed in the upper end of slider, the spliced pole is connected in the lower extreme outside of a platform, the lower extreme at the adapter sleeve inner wall is set up to the second spacing subassembly, the lower extreme of spliced pole passes through the inside of second spacing subassembly sliding connection at the adapter sleeve.

Further, as the preferred technical scheme, the second spacing subassembly includes second stopper and second spacing groove, the upper end at the adapter sleeve inner wall is installed to the second stopper, the outer wall at the spliced pole is seted up to the second spacing groove, second stopper sliding connection is in the inside in second spacing groove.

In summary, the utility model has the following advantages:

firstly, the net shell structure building model is arranged at the upper end of the supporting platform, then the pendulum bob is driven to rotate through the double-shaft extension motor, the connecting rod is respectively connected with the base and the bedplate in a rotating way through the support, the position of the connecting rod is limited through the support component, the shaking frequency of the connecting rod is improved, meanwhile, the fixing frame stabilizes the positions of the two sides of the supporting platform through the support mechanism, and the supporting platform can be driven to shake and vibrate transversely when the pendulum bob rotates, so that the supporting platform can play a role of simulating earthquake vibration, the effect of testing the net shell structure building model is achieved, the structure is simple, the installation is convenient, the manufacturing cost is low, and the test cost of the net shell structure building model is effectively reduced;

second, when the motor is stretched to biax drive the brace through the pendulum and shake, can make the connecting rod transversely rock, and the mounting bracket can restrict the scope that the connecting rod rocked through supporting component, when connecting rod and extension board contact, can effectively promote the frequency that the connecting rod rocked through the spring simultaneously to reach the effect that promotes the brace and shake the effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is a schematic view of the support assembly structure of the present utility model;

FIG. 4 is a cross-sectional view of the present utility model;

fig. 5 is an enlarged view of the portion a of fig. 4 according to the present utility model.

Reference numerals: 1. base, 2, support, 3, connecting rod, 4, brace, 41, biax stretch motor, 42, pendulum, 5, mounting bracket, 6, supporting component, 61, spring, 62, extension board, 621, cushion, 63, locating component, 631, locating lever, 632, constant head tank, 7, mount, 8, supporting mechanism, 81, spout, 82, slider, 83, first spacing component, 831, first stopper, 832, first spacing groove, 84, coupling assembling, 841, adapter sleeve, 842, spliced pole, 85, second spacing component, 851, second stopper, 852, second spacing groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the seismic vibration experiment table with the latticed shell structure in the embodiment comprises a base 1, a supporting table 4 and a connecting rod 3, wherein a bracket 2 is installed at the upper end of the base 1 and the lower end of the supporting table 4, two ends of the connecting rod 3 are respectively and rotatably connected in the bracket 2, a mounting frame 5 is installed at the outer side of the upper end of the base 1 and the outer side of the lower end of the supporting table 4, a supporting component 6 is arranged on the inner wall of the mounting frame 5, the supporting component 6 is attached to the outer wall of the connecting rod 3, a double-shaft stretching motor 41 is arranged at the inner side of the lower end of the supporting table 4, a pendulum 42 is connected at the output end of the double-shaft stretching motor 41, a fixing frame 7 is connected to the side wall of the base 1, a supporting mechanism 8 is arranged at the upper end of the fixing frame 7, and the supporting mechanism 8 is connected with the outer side of the lower end of the supporting table 4;

through installing the latticed shell structure building model in the upper end of propping up platform 4, drive pendulum 42 through biax through stretching motor 41 afterwards and rotate, and connecting rod 3 rotates with base 1, platen respectively through support 2 and be connected, restrict the position of connecting rod 3 through supporting component 6, and promote the rocking frequency of connecting rod 3, the mount 7 stabilizes the position of propping up platform 4 both sides through supporting mechanism 8 simultaneously, can drive propping up platform 4 transversely to shake, vibrate when pendulum 42 rotates, thereby make propping up platform 4 can play the effect of simulation earthquake vibration.

Example 2

Referring to fig. 3, in order to achieve the purpose of limiting the shake amplitude of the connecting rod 3 on the basis of embodiment 1, the support assembly 6 is innovatively designed in this embodiment, specifically, the support assembly 6 includes a spring 61, a support plate 62 and a positioning assembly 63, the spring 61 is mounted on the inner wall of the mounting frame 5, the support plate 62 is connected to one end of the spring 61, the outer wall of the support plate 62 is attached to the outer wall of the connecting rod 3, and the positioning assembly 63 is disposed on the outer side of the inner wall of the support plate 62; when connecting rod 3 rocks, stabilize the position of extension board 62 through locating component 63 to support the position of extension board 62 through spring 61, can be when connecting rod 3 and extension board 62 contact, restrict the range of rocking of connecting rod 3 through supporting component 6, can effectively promote the frequency of rocking of connecting rod 3 through spring 61 simultaneously, and then promote the vibration effect of extension board 4.

Referring to fig. 3, in order to achieve the purpose of avoiding damage to the connection rod 3, the outer wall of the support plate 62 of the present embodiment is provided with a soft pad 621, and the outer wall of the soft pad 621 is attached to the outer wall of the connection rod 3; through installing the cushion 621 at the outer wall of extension board 62 to make the outer wall of cushion 621 laminate with the outer wall of connecting rod 3, can play the cushioning effect between extension board 62 and connecting rod 3 through cushion 621, avoid extension board 62 and connecting rod 3 rigid contact and lead to extension board 62 or connecting rod 3 impaired.

Referring to fig. 3, in order to achieve the purpose of stabilizing the position of the support plate 62, the positioning assembly 63 of the present embodiment includes a positioning rod 631 and a positioning groove 632, wherein the positioning rod 631 is connected to the outer side of the inner wall of the support plate 62, the positioning groove 632 is formed on the outer side of the inner wall of the mounting frame 5, one end of the positioning rod 631 is slidably connected to the inner side of the positioning groove 632, and one end of the positioning rod 631 penetrates through the mounting frame 5 through the positioning groove 632; one end of the positioning rod 631 is slidably connected to the positioning groove 632, so that the positioning assembly 63 can stabilize the position of the support plate 62, and the support plate 62 is prevented from tilting and shifting.

Example 3

Referring to fig. 5, in this embodiment, based on embodiment 2, in order to achieve the purpose of stabilizing the outer side position of the support stand 4, the supporting mechanism 8 is innovatively designed, specifically, the supporting mechanism 8 includes a sliding slot 81, a sliding block 82 and a connecting component 84, the sliding slot 81 is opened at the upper end of the fixing frame 7, the sliding block 82 is slidably connected inside the sliding slot 81, the lower end of the outer wall of the sliding block 82 is provided with a first limiting component 83, the upper end of the sliding block 82 penetrates through the sliding slot 81, the connecting component 84 is installed at the upper end of the sliding block 82, and the sliding block 82 is connected with the outer side of the lower end of the support stand 4 through the connecting component 84; through slider 82 sliding connection in the inside of spout 81 to stabilize the position of slider 82 through first spacing subassembly 83, can be when the brace 4 rocks, slider 82 follows the brace 4 and slides in the inside of spout 81 through coupling assembling 84, and can avoid slider 82 card to die in the inside of spout 81 and influence the rocking of brace 4 through coupling assembling 84, thereby make supporting mechanism 8 can stabilize the position in brace 4 outside, avoid the model volume of brace 4 upper end great and influence the stability of brace 4.

Referring to fig. 5, in order to achieve the purpose of stabilizing the position of the sliding block 82, the first limiting component 83 of the present embodiment includes a first limiting block 831 and a first limiting groove 832, the first limiting block 831 is installed at the lower end of the outer wall of the sliding block 82, the first limiting groove 832 is opened at the inner wall of the sliding slot 81, and the first limiting block 831 is slidably connected inside the first limiting groove 832; the first limiting block 831 is slidably connected to the inside of the first limiting groove 832, so that the position of the sliding block 82 inside the sliding groove 81 can be stabilized by the first limiting component 83, and the sliding block 82 is prevented from being separated from the sliding groove 81 to affect the position of the connecting component 84.

Referring to fig. 5, in order to achieve the purpose of making the connection block slide along the support 4, the connection assembly 84 of the present embodiment includes a connection sleeve 841, a connection column 842 and a second limiting assembly 85, the connection sleeve 841 is mounted at the upper end of the slider 82, the connection column 842 is connected to the outer side of the lower end of the support 4, the second limiting assembly 85 is disposed at the lower end of the inner wall of the connection sleeve 841, and the lower end of the connection column 842 is slidably connected to the inside of the connection sleeve 841 through the second limiting assembly 85; the connecting column 842 is slidably connected in the connecting sleeve 841, and the position of the connecting column 842 is stabilized through the second limiting component 85, so that the connecting column 842 can slide in the connecting sleeve 841 when the support 4 shakes, and the influence on the shaking of the support 4 is avoided.

Referring to fig. 5, in order to achieve the purpose of stabilizing the position of the connection post 842, the second limiting component 85 of the present embodiment includes a second limiting block 851 and a second limiting groove 852, wherein the second limiting block 851 is installed at the upper end of the inner wall of the connection sleeve 841, the second limiting groove 852 is opened on the outer wall of the connection post 842, and the second limiting block 851 is slidably connected inside the second limiting groove 852; the second limiting block 851 is slidably connected in the second limiting groove 852, so that the position of the connecting column 842 in the connecting sleeve 841 can be stabilized through the second limiting component 85, and the connecting column 842 is prevented from being separated from the connecting sleeve 841.

The use principle and the advantages are that: when the test work of the building model with the latticed shell structure is required, the base 1 is installed at a required position, then the model is installed at the upper end of the supporting platform 4, the double-shaft stretching motor 41 is started, the double-shaft stretching motor 41 drives the pendulum bob 42 to rotate, and the two ends of the connecting rod 3 are respectively connected in the bracket 2 in a rotating way, the supporting platform 4 can transversely shake through the rotation of the pendulum bob 42, the position of the supporting plate 62 is supported through the spring 61, one end of the positioning rod 631 is slidably connected in the positioning groove 632, the positioning assembly 63 stabilizes the position of the supporting plate 62, the mounting frame 5 can limit the shaking amplitude of the connecting rod 3 through the supporting assembly 6 when the connecting rod 3 is in contact with the supporting plate 62, the condition that the supporting platform 4 is inclined is avoided, the function of improving the shaking frequency of the connecting rod 3 can be played through the spring 61, meanwhile, the rigid contact between the connecting rod 3 and the supporting plate 62 can be avoided through the cushion 621, and the service life is influenced, and the first limiting block 831 is slidably connected in the first limiting groove 832, so that the first limiting component 83 stabilizes the position of the sliding block 82 in the sliding groove 81, and meanwhile, the second limiting block 851 is slidably connected in the second limiting groove 852, so that the second limiting component 85 stabilizes the position of the connecting column 842 in the connecting sleeve 841, the sliding block 82 can move along with the support table 4 through the connecting component 84, the sliding block 82 can play a role in supporting the outer side of the support table 4 through the connecting component 84, the fixing frame 7 can stabilize the outer side of the support table 4 through the supporting mechanism 8, the stability of the support table 4 is prevented from being influenced due to the fact that the model volume at the upper end of the support table 4 is large, the support table 4 can play a role in simulating earthquake vibration, and the effect of testing a net shell structure building model is achieved, and the structure is simple, the installation is convenient, the manufacturing cost is low, and therefore the testing cost of the latticed shell structure building model is effectively reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a seismic vibration laboratory bench of reticulated shell structure which characterized in that: including base (1), brace (4) and connecting rod (3), support (2) are all installed to the upper end of base (1) and the lower extreme of brace (4), the inside at support (2) is rotated respectively to the both ends of connecting rod (3), mounting bracket (5) are all installed in the upper end outside of base (1) and the lower extreme outside of brace (4), the inner wall of mounting bracket (5) is provided with supporting component (6), the outer wall laminating of supporting component (6) and connecting rod (3), the lower extreme inboard of brace (4) is that there is biax motor (41), the output of biax motor (41) is connected with pendulum (42), the lateral wall of base (1) is connected with mount (7), the upper end of mount (7) is provided with supporting mechanism (8), supporting mechanism (8) are connected with the lower extreme outside of brace (4).

2. The seismic vibration laboratory bench of a reticulated shell structure of claim 1, wherein: the supporting component (6) comprises a spring (61), a support plate (62) and a positioning component (63), wherein the spring (61) is installed on the inner wall of the installation frame (5), the support plate (62) is connected to one end of the spring (61), the outer wall of the support plate (62) is attached to the outer wall of the connecting rod (3), and the positioning component (63) is arranged on the outer side of the inner wall of the support plate (62).

3. A reticulated shell structured seismic vibration laboratory bench as claimed in claim 2 wherein: the outer wall of the support plate (62) is provided with a soft cushion (621), and the outer wall of the soft cushion (621) is attached to the outer wall of the connecting rod (3).

4. A reticulated shell structured seismic vibration laboratory bench as claimed in claim 2 wherein: the locating component (63) comprises a locating rod (631) and a locating groove (632), the locating rod (631) is connected to the outer side of the inner wall of the support plate (62), the locating groove (632) is formed in the outer side of the inner wall of the mounting frame (5), one end of the locating rod (631) is slidably connected to the inner side of the locating groove (632), and one end of the locating rod (631) penetrates through the mounting frame (5) through the locating groove (632).

5. The seismic vibration laboratory bench of a reticulated shell structure of claim 1, wherein: supporting mechanism (8) include spout (81), slider (82) and coupling assembling (84), the upper end at mount (7) is seted up to spout (81), slider (82) sliding connection is in the inside of spout (81), the lower extreme of slider (82) outer wall is provided with first spacing subassembly (83), spout (81) is run through to the upper end of slider (82), the upper end at slider (82) is installed in coupling assembling (84), slider (82) are connected outside the lower extreme of brace (4) through coupling assembling (84).

6. The seismic vibration laboratory bench of reticulated shell structure of claim 5, wherein: the first limiting component (83) comprises a first limiting block (831) and a first limiting groove (832), the first limiting block (831) is arranged at the lower end of the outer wall of the sliding block (82), the first limiting groove (832) is formed in the inner wall of the sliding groove (81), and the first limiting block (831) is slidably connected in the first limiting groove (832).

7. The seismic vibration laboratory bench of reticulated shell structure of claim 5, wherein: the connecting assembly (84) comprises a connecting sleeve (841), a connecting column (842) and a second limiting assembly (85), the connecting sleeve (841) is installed at the upper end of the sliding block (82), the connecting column (842) is connected to the outer side of the lower end of the supporting table (4), the second limiting assembly (85) is arranged at the lower end of the inner wall of the connecting sleeve (841), and the lower end of the connecting column (842) is connected to the inside of the connecting sleeve (841) in a sliding mode through the second limiting assembly (85).

8. The seismic vibration laboratory bench of a reticulated shell structure of claim 7, wherein: the second limiting component (85) comprises a second limiting block (851) and a second limiting groove (852), the second limiting block (851) is arranged at the upper end of the inner wall of the connecting sleeve (841), the second limiting groove (852) is formed in the outer wall of the connecting column (842), and the second limiting block (851) is slidably connected in the second limiting groove (852).