CN219532436U - Earthquake simulation platform for geotechnical engineering - Google Patents

Abstract

The utility model discloses an earthquake simulation platform for geotechnical engineering, which comprises: the device comprises a base, a supporting table and a connecting module, wherein the connecting module comprises a first connecting seat and a second connecting seat, and the first connecting seat is movably matched and connected with the second connecting seat; the power module comprises a driving assembly and at least one driving arm, the driving arm is in transmission connection with the driving assembly, the driving arm can be driven by the driving assembly to switch between a first state and a second state, when the driving arm is in the first state, the supporting table moves along a first direction, and when the driving arm is in the second state, the supporting table moves along a second direction. According to the earthquake simulation platform for geotechnical engineering, the driving arm can be switched between the first state and the second state, so that the supporting platform can perform stable reciprocating motion along the first direction and the second direction, and the simulated earthquake amplitude is controllable, so that follow-up detection and recording are facilitated.

Description

Earthquake simulation platform for geotechnical engineering

Technical Field

The utility model relates to the technical field of earthquake test devices, in particular to an earthquake simulation platform for geotechnical engineering.

Background

Earthquake is also called earthquake motion and earthquake vibration, which is a natural phenomenon that earthquake waves are generated during the process of rapidly releasing energy from the crust, and the earthquake of different grades can generate different degrees of influence, the place where the earthquake starts is called a seismic source, and the ground right above the seismic source is called an earthquake center; the most severe ground vibration of destructive earthquake is called as the extremely-earthquake region, which is the region where the earthquake is located; severe earthquakes can cause casualties, can cause fires, floods, toxic gas leakage, bacteria and radioactive substance diffusion, and can also cause secondary disasters such as tsunami, landslide, collapse, ground cracks and the like. With the current technology level, the arrival of the earthquake cannot be predicted, and for the earthquake, people should improve the earthquake resistance level of the building, make defenses, grasp the earthquake vibration rule and information through observation, and know the earthquake in a scientific way.

In geotechnical engineering, an earthquake simulation platform is required to simulate an earthquake, a common earthquake simulation platform is provided with a spring or other elastic members connected with a base and a supporting platform for simulating earthquake frequency, the base can be placed on a plane or a platform, a corresponding building structure or a geotechnical structure can be placed on the supporting surface according to actual test requirements, but the vibration amplitude of the supporting platform is not easy to control, and inconvenience is brought to subsequent detection and recording work.

Disclosure of Invention

The utility model mainly aims to provide an earthquake simulation platform for geotechnical engineering, which is used for solving the technical problems.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model comprises the following steps:

the embodiment of the utility model provides an earthquake simulation platform for geotechnical engineering, which comprises the following components:

a base;

the supporting table is arranged opposite to the base;

the connecting module comprises a first connecting seat and a second connecting seat, the first connecting seat is arranged on the base, the second connecting seat is arranged on the supporting table, and the first connecting seat is movably matched and connected with the second connecting seat;

the power module comprises a driving assembly and at least one driving arm, wherein the driving arm is in transmission connection with the driving assembly, at least part of the driving arm can be connected with or contacted with a second connecting seat and/or a supporting table, the driving arm can be driven by the driving assembly to switch between a first state and a second state, when the driving arm is in the first state, the supporting table moves along a first direction, when the driving arm is in the second state, the supporting table moves along a second direction, and the first direction is opposite to the second direction.

Compared with the prior art, the utility model has the advantages that: according to the earthquake simulation platform for geotechnical engineering, the driving arm can be switched between the first state and the second state, so that the supporting platform can perform stable reciprocating motion along the first direction and the second direction, and the simulated earthquake amplitude is controllable, so that follow-up detection and recording are facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic view of a seismic modeling station for geotechnical engineering according to an exemplary embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view taken along the direction A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken in the direction B-B of FIG. 1;

reference numerals illustrate:

1. a base; 2. a support table; 3. a connection module; 31. a first connection base; 32. a second connecting seat; 4. a power module; 41. a drive assembly; 411. a transmission shaft; 412. a linkage structure; 42. a driving arm; 5. a transmission assembly; 6. a buffer module; 61. a buffer seat; 62. an elastic element; 7. a limiting cylinder; 8. a support module; 81. a supporting elastic member; 82. and a supporting cylinder.

Detailed Description

In view of the shortcomings in the prior art, the inventor of the present utility model has long studied and practiced in a large number of ways to propose the technical scheme of the present utility model. The technical scheme, the implementation process, the principle and the like are further explained as follows.

The embodiment of the utility model provides an earthquake simulation platform for geotechnical engineering, which comprises the following components:

a base;

the supporting table is arranged opposite to the base;

the connecting module comprises a first connecting seat and a second connecting seat, the first connecting seat is arranged on the base, the second connecting seat is arranged on the supporting table, and the first connecting seat is movably matched and connected with the second connecting seat;

the power module comprises a driving assembly and at least one driving arm, wherein the driving arm is in transmission connection with the driving assembly, at least part of the driving arm can be connected with or contacted with a second connecting seat and/or a supporting table, the driving arm can be driven by the driving assembly to switch between a first state and a second state, when the driving arm is in the first state, the supporting table moves along a first direction, when the driving arm is in the second state, the supporting table moves along a second direction, and the first direction is opposite to the second direction.

In a specific embodiment, the driving mechanism comprises a transmission shaft and a linkage structure, the linkage structure is in transmission connection with the transmission shaft, the linkage structure is at least provided with a protruding part, the protruding part can rotate along the circumferential direction of the axis of the transmission shaft, and the driving arm is in movable fit connection with the protruding part.

In a specific embodiment, the power module includes a plurality of driving arms and a plurality of linkage structures corresponding to the driving arms, and at least part of projections of the plurality of linkage structures along the axial direction of the transmission shaft do not overlap.

In one embodiment, the power module includes a plurality of driving components, and the driving components are in transmission connection through a transmission component.

In a specific embodiment, the power module comprises a plurality of driving assemblies, each driving assembly is in transmission connection with a plurality of driving arms, and the working state of at least one driving arm in different driving assemblies is synchronous with the action of one driving arm in other driving assemblies.

In a specific embodiment, the connection module is disposed in the middle of the base, and a receiving space is disposed in the first connection seat and/or the second connection seat, and the power module is disposed in the receiving space.

In a specific embodiment, the earthquake simulation platform for geotechnical engineering further comprises a buffer module, the buffer module comprises a buffer seat and an elastic element, at least part of the buffer seat can be contacted with the driving arm, the elastic element is arranged between the buffer seat and the supporting table or the first connecting seat, at least part of the elastic element is connected with or contacted with the buffer seat, and the buffer seat can be driven to move along the first direction.

In a specific embodiment, the buffer seat is further provided with a limiting cylinder, a limiting space is arranged in the limiting cylinder, and one end of the driving arm can move in the limiting space.

In a specific embodiment, the earthquake simulation platform for geotechnical engineering further comprises a support module, wherein the support module comprises a plurality of support elastic pieces, and the support elastic pieces are arranged between the base and the support platform and can drive the support platform to move along a first direction.

In an embodiment, the support module further includes a support cylinder, the support cylinder is disposed on the base, and a length of the support cylinder along the first direction is smaller than a free length of the support elastic member.

The technical solution, implementation process and principle thereof will be further explained below with reference to the accompanying drawings and specific embodiments, and unless otherwise indicated, springs, torsion springs, motors, etc. used in the embodiments of the present utility model are all components known to those skilled in the art, and are all commercially available, and specific structures and models thereof are not limited herein.

Examples

Referring to fig. 1-3, an earthquake simulation platform for geotechnical engineering includes:

a base 1;

a support table 2 disposed opposite to the base 1;

the connection module 3, the connection module 3 includes first connecting seat 31 and second connecting seat 32, first connecting seat 31 sets up on the base 1, second connecting seat 32 sets up on the brace table 2, first connecting seat 31 with second connecting seat 32 movable fit is connected.

The power module 4, the power module 4 includes a driving component 41 and at least one driving arm 42, the driving arm 42 is in transmission connection with the driving component 41, at least part of the driving arm 42 can be connected with or contacted with the second connecting seat 32 and/or the supporting table 2, the driving arm 42 can be driven by the driving component 41 to switch between a first state and a second state, when the driving arm 42 is in the first state, the supporting table 2 moves along a first direction, and when the driving arm 42 is in the second state, the supporting table 2 moves along a second direction, and the first direction is opposite to the second direction.

It will be appreciated that the earthquake simulation platform for geotechnical engineering provided by the utility model can be used for performing earthquake simulation tests on a building structure or a geotechnical structure, specifically, the building structure or the geotechnical structure is paved or arranged on the supporting platform 2, the supporting platform 2 moves towards the side close to the base 1, the driving assembly 41 can drive the driving arm 42 to rotate or move, so that the supporting platform 2 which is in contact with or contacts with the driving arm 42 moves towards a first direction, and when the base 1 is placed on a horizontal table surface, the first direction is a direction vertical to the horizontal table surface and is vertically upward. When the driving arm 42 is in the first state, the driving arm 42 can drive the supporting table 2 to move along the first direction, the driving assembly 41 drives the driving arm 42 to continue to rotate or move, so that the driving arm 42 is switched from the first state to the second state, the supporting table 2 can move along the second direction under the action of the gravity of the building structure or the rock soil structure, or the supporting table 2 is connected with or contacted with the driving arm 42, and moves along the second direction, namely vertically downwards under the action of the linkage of the driving arm 42. The driving arm 42 can be switched between a first state and a second state, so that the supporting table 2 can perform stable reciprocating motion along the first direction and the second direction, and the simulated earthquake amplitude can be controlled, so that the follow-up detection and recording are facilitated.

Further, the driving assembly 41 includes a driving shaft 411 and a linkage structure 412, the linkage structure 412 is in driving connection with the driving shaft 411, the linkage structure 412 has at least one protrusion, the protrusion can rotate along the circumferential direction of the axis of the driving shaft 411, and the driving arm 42 is movably connected with the protrusion in a matching manner. Referring to fig. 2 and 3, the driving arm 42 is disposed on the boss, and when the driving shaft 411 rotates, the boss can rotate along the axial direction of the driving shaft 411, so that the driving arm 42 is switched between the first state and the second state.

Specifically, the linkage structure 412 further includes a first connection plate, a connection rod, and a second connection plate, the connection rod is disposed between the first connection plate and the second connection plate, so as to form the protruding portion, and at least one of the first connection plate and the second connection plate is in driving connection with the transmission shaft 411, so that the protruding portion can rotate along the circumferential direction of the axis of the transmission shaft 411.

Specifically, the first connection disc, the connection rod, the second connection disc and the transmission shaft 411 are detachably connected. The components with different specifications can be replaced according to actual amplitude requirements.

Specifically, the transmission shaft 411 may be further connected to a motor, and the motor may drive the transmission shaft 411 to rotate, so that the driving arm 42 may be continuously switched between the first state and the second state, so that the earthquake simulation platform for geotechnical engineering provided by the present utility model may realize continuous operation of earthquake simulation.

Further, the power module 4 includes a plurality of driving arms 42 and a plurality of linkage structures 412 corresponding to the driving arms 42, and at least part of projections of the plurality of linkage structures 412 along the axial direction of the driving shaft 411 do not overlap. Referring to fig. 2, the power module 4 includes a plurality of driving arms 42 and a linkage structure 412, the plurality of linkage structures 412 are in driving connection with the driving shaft 411, the plurality of driving arms 42 are disposed on the corresponding linkage structure 412, and when the driving shaft 411 rotates to operate, at least part of projections of the plurality of driving arms 42 along the axial direction of the driving shaft 411 do not overlap. It can be understood that, a plurality of driving arms 42 disposed on the same driving shaft can be at different stations, as shown in fig. 2, two driving arms 42 are disposed on corresponding linkage structures 412, and two linkage structures 412 are connected with a driving shaft 411, where the two driving arms 42 can be in a first state and a second state respectively, and when the driving shaft 411 rotates, the two driving arms 42 can be alternately contacted with the supporting table 2, so as to realize up-and-down vibration of the supporting table 2, so as to simulate an earthquake, and improve vibration frequency of the simulation table, so as to meet different simulation requirements.

Further, the power module 4 includes a plurality of driving assemblies 41, and each driving assembly 41 is in transmission connection with a plurality of driving arms 42, and the working state of at least one driving arm 42 in the different driving assemblies 41 is synchronous with the action of one driving arm 42 in the other driving assemblies 41. It is understood that a plurality of the driving assemblies 41 may be connected in a driving manner via a transmission assembly 5, and the motor may be connected to the transmission shaft 411 of one of the driving assemblies 41, and drive the plurality of driving assemblies 41 to operate synchronously via the transmission assembly 5.

Specifically, the transmission assembly 5 includes gears, at least one gear is disposed on each of the driving assemblies 41, and the gears on the different driving assemblies 41 are meshed with each other for transmission.

Further, the driving assembly 41 is in transmission connection with a plurality of driving arms 42, and the working state of at least one driving arm 42 in different driving assemblies 41 is synchronous with the action of one driving arm 42 in other driving assemblies 41. It will be appreciated that a plurality of drive arms 42 are provided on the different drive assemblies 41 and that the drive arms 42 in the different drive assemblies 41 are capable of maintaining consistency, it being understood that the drive arms 42 in the different drive assemblies 41 can be moved in synchronism to switch between the first and second states so that the displacement of the drive arms 42 in the different drive assemblies 41 is the same. The support table 2 connected to or contacting the driving arms 42 can stably move under the support of the plurality of driving arms 42.

Specifically, the drive arms 42 in the different drive assemblies 41 are staggered.

Specifically, referring to fig. 2 and 3, each driving assembly 41 is in transmission connection with two driving arms 42, the movements of the two driving arms 42 are not synchronous, the diagonally arranged driving arms 42 in different driving assemblies 41 are synchronous in movement, and the diagonally arranged driving arms 4 can give the support table 2 diagonal support, so that the support table 2 can travel more stably.

Further, the connection module 3 is disposed in the middle of the base 1, and a receiving space is disposed in the first connection seat 31 and/or the second connection seat 32, and the power module 4 is disposed in the receiving space.

Further, the buffer module 6 further includes a buffer seat 61 and an elastic element 62, at least part of the buffer seat 61 can contact with the driving arm 42, the elastic element 62 is disposed between the buffer seat 61 and the support table 2 or the first connecting seat 31, and at least part of the elastic element 62 is connected to or contacts with the buffer seat 61 and can drive the buffer seat 61 to move along the first direction. The supporting table 2 can move towards the second direction under the action of gravity of the building structure or the rock-soil structure, and the buffer seat 61 can support and buffer the building structure or the rock-soil structure, so that the first connecting seat 31 and the second connecting seat 32 are prevented from being damaged due to hard contact.

Further, the buffer seat 61 is further provided with a limiting cylinder 7, a limiting space is provided in the limiting cylinder 7, and one end of the driving arm 42 can move in the limiting space. The limiting cylinder 7 is at least used for limiting the travel path of the driving arm 42.

Further, the earthquake simulation platform for geotechnical engineering further comprises a support module 8, wherein the support module 8 comprises a plurality of support elastic pieces 81, and the support elastic pieces 81 are arranged between the base 1 and the support platform 2 and can drive the support platform 2 to move along the first direction. The plurality of supporting elastic members 81 may be sequentially arranged along the circumferential direction of the first connecting seat 31, and the supporting elastic members 81 may be capable of cushioning the supporting table 2.

Further, the support module 8 further includes a support cylinder 82, where the support cylinder 82 is disposed on the base 1, and a length of the support cylinder 82 along the first direction is smaller than a free length of the support elastic member 81. It is understood that the free length of the supporting elastic member 81 is understood to be the length of the supporting elastic member 81 when not subjected to an external force, and the free length of the supporting elastic member 81 is greater than the length of the supporting cylinder 82 when not subjected to an external force. The support cylinder 82 can provide a compressed and released travel path for the support spring 81 to protect and constrain the travel path of the support spring 81.

In particular, the supporting elastic member and the elastic element may be a spring or torsion spring.

It should be understood that the above embodiments are merely for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement the same according to the present utility model without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (10)

1. A seismic simulation platform for geotechnical engineering, comprising:

a base (1);

the supporting table (2) is arranged opposite to the base (1);

the connecting module (3), the connecting module (3) comprises a first connecting seat (31) and a second connecting seat (32), the first connecting seat (31) is arranged on the base (1), the second connecting seat (32) is arranged on the supporting table (2), and the first connecting seat (31) is movably matched and connected with the second connecting seat (32);

the power module (4), the power module (4) includes actuating assembly (41) and at least one actuating arm (42), actuating arm (42) with actuating assembly (41) transmission connection, just at least part of actuating arm (42) can be connected or contact with second connecting seat (32) and/or brace table (2), actuating arm (42) can be driven by actuating assembly (41) and switch between first state and second state, when actuating arm (42) are in first state, brace table (2) are along first direction removal, when actuating arm (42) are in the second state, brace table (2) are along the second direction removal, first direction is opposite with the second direction.

2. A seismic simulation platform for geotechnical engineering according to claim 1, wherein: the driving assembly (41) comprises a transmission shaft (411) and a linkage structure (412), the linkage structure (412) is in transmission connection with the transmission shaft (411), the linkage structure (412) is at least provided with a protruding part, the protruding part can rotate along the circumferential direction of the axis of the transmission shaft (411), and the driving arm (42) is in movable fit connection with the protruding part.

3. A seismic simulation platform for geotechnical engineering according to claim 2, wherein: the power module (4) comprises a plurality of driving arms (42) and a plurality of linkage structures (412) corresponding to the driving arms (42), and at least part of projections of the plurality of linkage structures (412) along the axial direction of the transmission shaft (411) are not overlapped.

4. A seismic simulation platform for geotechnical engineering according to claim 1, wherein: the power module (4) comprises a plurality of driving components (41), and the driving components (41) are in transmission connection through a transmission component (5).

5. A seismic simulation platform for geotechnical engineering according to claim 1, wherein: the power module (4) comprises a plurality of driving assemblies (41), each driving assembly (41) is in transmission connection with a plurality of driving arms (42), and the working state of at least one driving arm (42) in different driving assemblies (41) is synchronous with the action of one driving arm (42) in other driving assemblies (41).

6. A seismic simulation platform for geotechnical engineering according to claim 1, wherein: the connecting module (3) is arranged in the middle of the base (1), a containing space is arranged in the first connecting seat (31) and/or the second connecting seat (32), and the power module (4) is arranged in the containing space.

7. A seismic simulation platform for geotechnical engineering according to claim 1, wherein: the device comprises a driving arm (42), and is characterized by further comprising a buffer module (6), wherein the buffer module (6) comprises a buffer seat (61) and an elastic element (62), at least part of the buffer seat (61) can be contacted with the driving arm (42), the elastic element (62) is arranged between the buffer seat (61) and a supporting table (2) or a first connecting seat (31), and at least part of the elastic element (62) is connected with or contacted with the buffer seat (61) and can drive the buffer seat (61) to move along a first direction.

8. The earthquake simulation platform for geotechnical engineering according to claim 7, wherein: the buffer seat (61) is also provided with a limiting cylinder (7), a limiting space is arranged in the limiting cylinder (7), and one end of the driving arm (42) can move in the limiting space.

9. A seismic simulation platform for geotechnical engineering according to claim 1, wherein: the support device comprises a base (1) and a support table (2), and is characterized by further comprising a support module (8), wherein the support module (8) comprises a plurality of support elastic pieces (81), and the support elastic pieces (81) are arranged between the base (1) and the support table (2) and can drive the support table (2) to move along a first direction.

10. The earthquake simulation platform for geotechnical engineering according to claim 9, wherein: the support module (8) further comprises a support cylinder (82), the support cylinder (82) is arranged on the base (1), and the length of the support cylinder (82) along the first direction is smaller than the free length of the support elastic piece (81).