CN209822056U - Full-digital three-degree-of-freedom earthquake simulation test bed - Google Patents
Full-digital three-degree-of-freedom earthquake simulation test bed Download PDFInfo
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- CN209822056U CN209822056U CN201821551000.0U CN201821551000U CN209822056U CN 209822056 U CN209822056 U CN 209822056U CN 201821551000 U CN201821551000 U CN 201821551000U CN 209822056 U CN209822056 U CN 209822056U
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Abstract
The full-digital three-degree-of-freedom earthquake simulation test bed comprises a base, wherein two sides of the top surface of the base are respectively and fixedly provided with a first vertical plate, the front end and the rear end of the top surface of the base are respectively and fixedly provided with a second vertical plate, the top surface of the base is fixedly provided with a fixed platform, the top surface of the fixed platform is provided with two first sliding chutes with dovetail-shaped sections, the two first sliding chutes are distributed front and rear, two first sliding blocks with dovetail-shaped sections are arranged in each first sliding chute, the two first sliding blocks in the same first sliding chute are respectively positioned on two sides of each first sliding chute, the top surface of each first sliding block is fixedly connected with a vertical first supporting rod, and the two first supporting rods positioned on the same side of the fixed platform are fixedly connected through a horizontal first connecting rod. The first horizontal force application device, the second horizontal force application device and the vertical force application device are all hydraulic force application structures, and can apply stable torque, so that the device is stressed more uniformly.
Description
Technical Field
The utility model belongs to the earthquake field, specifically speaking are three degree of freedom earthquake simulation test benches of full-digital.
Background
Earthquake also known as ground movement, ground vibration, be the vibrations that the crust quick release energy in-process caused, the period can produce the natural phenomenon of seismic wave, when the earthquake takes place, cause the destruction to housing construction easily, cause serious economic loss to people, for better research earthquake, people have developed earthquake simulation test bench, but current test bench structure is complicated, and is expensive, and lack arresting gear, aggravate test bench part wearing and tearing easily, influence the use of test bench, bring inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
The utility model provides a full-digital three degree of freedom earthquake simulation test bench for solve the defect among the prior art.
The utility model discloses a following technical scheme realizes:
the full-digital three-degree-of-freedom earthquake simulation test bed comprises a base, wherein two sides of the top surface of the base are respectively and fixedly provided with a first vertical plate, the front end and the rear end of the top surface of the base are respectively and fixedly provided with a second vertical plate, the top surface of the base is fixedly provided with a fixed platform, the top surface of the fixed platform is provided with two first sliding chutes with dovetail-shaped sections, the two first sliding chutes are distributed front and back, two first sliding blocks with dovetail-shaped sections are arranged in each first sliding chute, the two first sliding blocks positioned in the same first sliding chute are respectively positioned on two sides of each first sliding chute, the top surface of each first sliding block is fixedly connected with a vertical first supporting rod, the two first supporting rods positioned on the same side of the fixed platform are fixedly connected through a horizontal first connecting rod, the two sides of the top surface of the fixed platform are respectively and fixedly provided with a horizontal first telescopic rod, and the two first connecting, the top ends of the four first supporting rods are fixedly connected through a first horizontal moving platform, two sides of the first horizontal moving platform are respectively fixedly connected with two horizontal first springs, the two first springs positioned on the same side of the first horizontal platform are distributed in the front and back direction, one side of a first vertical plate positioned on one side of the base is fixedly provided with a horizontal first force application device, the first force application device and the first horizontal moving platform are positioned on the same horizontal plane, the top surface of the first horizontal moving platform is provided with two second sliding chutes with dovetail-shaped cross sections, the two second sliding chutes are respectively positioned on two sides of the first horizontal moving platform, two second sliding blocks with dovetail-shaped cross sections are respectively arranged in each second sliding chute, the two second sliding blocks positioned in the same second sliding chute are distributed in the front and back direction, the top surface of each second sliding block is fixedly connected with a vertical second supporting rod, and the two second supporting rods positioned at the same end of the first horizontal moving platform are fixedly connected through a horizontal second connecting rod, the front end and the rear end of the top surface of the first horizontal motion platform are respectively fixedly provided with a horizontal second telescopic rod, two second connecting rods are positioned between the two second telescopic rods, the top ends of four second supporting rods are fixedly connected through a second horizontal motion platform, the front side and the rear side of the second horizontal motion platform are respectively fixedly connected with two horizontal second springs, the rear side of a second vertical plate positioned at the front end of the base is fixedly provided with a horizontal second force application device, the second force application device and the second horizontal motion platform are positioned on the same horizontal plane, the top surface of the second horizontal motion platform is fixedly connected with a test bench through a plurality of vertical third springs, the center of the top surface of the second horizontal motion platform is fixedly provided with a vertical force application device, the top surface of the second horizontal motion platform is respectively fixedly provided with a vertical four-corner third telescopic rod, and the front side of the test bench is fixedly provided with a display and a vibration sensor.
The back surfaces of the two first vertical plates are respectively and fixedly connected with one end of an inclined first supporting plate, and the other end of each first supporting plate is respectively and fixedly connected with the top surface of the base.
According to the all-digital three-degree-of-freedom earthquake simulation test bed, the opposite surfaces of the two second vertical plates are respectively and fixedly connected with one end of an inclined second supporting plate, and the other end of each second supporting plate is respectively and fixedly connected with the top surface of the base.
According to the full-digital three-degree-of-freedom earthquake simulation test bed, the rubber pad is fixedly arranged on the top surface of the test bed.
According to the all-digital three-degree-of-freedom earthquake simulation test bed, the front end and the rear end of each first telescopic rod are respectively and fixedly connected with one end of an inclined first fixing plate, and the other end of each first fixing plate is respectively and fixedly connected with the top surface of the fixing table.
According to the all-digital three-degree-of-freedom earthquake simulation test bed, two sides of each second telescopic rod are respectively and fixedly connected with one end of an inclined second fixing plate, and the other end of each second fixing plate is respectively and fixedly connected with the top surface of the first horizontal motion platform.
The utility model has the advantages that: the utility model has simple structure and convenient operation, when the utility model is used, the first telescopic rod, the second telescopic rod and the third telescopic rod are contracted simultaneously, then the first horizontal force applying device, the second horizontal force applying device and the vertical force applying device work simultaneously, the first spring and the second spring are compressed, the third spring is stretched, after the force application is completed, the force application is removed, the first horizontal motion platform moves horizontally and reciprocally under the elastic force of the first spring, the first support rod is fixedly connected with the first horizontal motion platform, the first horizontal motion platform drives the first support rod to move horizontally and reciprocally, the first support rod is fixedly connected with the first slide block, the first slide block moves along with the first support rod, the first connecting rod is fixedly connected with the first support rod, the first connecting rod moves along with the first support rod, the second horizontal motion platform moves back and forth and reciprocally under the elastic force of the second spring, the second support rod is fixedly connected with the second horizontal motion platform, the second horizontal motion platform drives the second support rod to horizontally reciprocate, the second support rod is fixedly connected with the second slide block, the second slide block moves along with the second support rod, the second connecting rod is fixedly connected with the second support rod and moves along with the second support rod, the test bed reciprocates up and down under the action of the tension of a third spring, the vibration sensor senses vibration and displays the vibration on a display, a user can conveniently read data, after an experiment is completed, the first telescopic rod, the second telescopic rod and the third telescopic rod extend simultaneously, the third telescopic rod is in contact with the test bed and has a supporting effect on the test bed, the situation that the test bed applies pressure to the third spring when not in use to influence the performance and the service life of the third spring is avoided, the second telescopic rod is in contact with the second connecting rod, and when not in use, the second sliding block slides to aggravate the abrasion of the second sliding block to cause the inclination of the test bed, and the first telescopic rod is in contact with the first connecting rod, so that the phenomenon that the test bed inclines due to aggravation of the abrasion of the first sliding block caused by the sliding of the first sliding block when the test bed is not used is avoided; the limiting device is additionally arranged, so that the abrasion speed of parts of the device is reduced, the abrasion aggravation is avoided, the part replacement period is shortened, the use expenditure of a user is reduced, the use cost is saved, meanwhile, the stability of the device is improved, and convenience is brought to the user; the first horizontal force application device, the second horizontal force application device and the vertical force application device are all hydraulic force application structures, and can apply stable torque, so that the device is stressed more uniformly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is a view from the direction B of FIG. 1; fig. 4 is a view in the direction C of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A full-digital three-degree-of-freedom earthquake simulation test bed comprises a base 1, wherein two sides of the top surface of the base 1 are respectively and fixedly provided with a first vertical plate 2, the front end and the rear end of the top surface of the base 1 are respectively and fixedly provided with a second vertical plate 3, the top surface of the base 1 is fixedly provided with a fixed platform 4, the top surface of the fixed platform 4 is provided with two first sliding chutes 5 with dovetail-shaped cross sections, the two first sliding chutes 5 are distributed in the front and the rear directions, two first sliding blocks 6 with dovetail-shaped cross sections are arranged in each first sliding chute 5, the two first sliding blocks 6 positioned in the same first sliding chute 5 are respectively positioned at two sides of the first sliding chute 5, the top surface of each first sliding block 6 is fixedly connected with a vertical first supporting rod 7, the two first supporting rods 7 positioned at the same side of the fixed platform 4 are fixedly connected through a horizontal first connecting rod 8, two sides of the top surface of the fixed platform 4 are respectively and fixedly provided, two first connecting rods 8 are positioned between two first telescopic rods 9, the top ends of four first supporting rods 7 are fixedly connected through a first horizontal moving platform 10, two sides of the first horizontal moving platform 10 are respectively fixedly connected with two horizontal first springs 11, the two first springs 11 positioned on the same side of the first horizontal platform 10 are distributed front and back, one side of a first vertical plate 2 positioned on one side of a base 1 is fixedly provided with a horizontal first force application device 12, the first force application device 12 and the first horizontal moving platform 10 are positioned on the same horizontal plane, the top surface of the first horizontal moving platform 10 is provided with two second sliding grooves 13 with dovetail-shaped cross sections, the two second sliding grooves 13 are respectively positioned on two sides of the first horizontal moving platform 10, two second sliding blocks 14 with dovetail-shaped cross sections are arranged in each second sliding groove 13, and the two second sliding blocks 14 positioned in the same second sliding groove 13 are distributed front and back, the top surface of each second sliding block 14 is fixedly connected with a vertical second supporting rod 15, two second supporting rods 15 positioned at the same end of the first horizontal moving platform 10 are fixedly connected through a horizontal second connecting rod 16, the front end and the rear end of the top surface of the first horizontal moving platform 10 are respectively and fixedly provided with a horizontal second telescopic rod 17, two second connecting rods 16 are positioned between the two second telescopic rods 17, the top ends of the four second supporting rods 15 are fixedly connected through a second horizontal moving platform 18, the front end and the rear end of the second horizontal moving platform 18 are respectively and fixedly connected with two horizontal second springs 19, the rear surface of a second vertical plate 3 positioned at the front end of the base 1 is fixedly provided with a horizontal second force application device 20, the second force application device 20 and the second horizontal moving platform 18 are positioned on the same horizontal plane, the top surface of the second horizontal moving platform 18 is fixedly connected with a test platform 21 through a plurality of vertical third springs 22, a vertical force application device 23 is fixedly installed at the center of the top surface of the second horizontal movement table 18, four corners of the top surface of the second horizontal movement table 18 are respectively fixedly installed with a vertical third telescopic rod 24, a display 25 and a vibration sensor 26 are fixedly installed in front of the test bed 21, and the display 25 is connected with the vibration sensor 26 through a circuit. The utility model has simple structure and convenient operation, when the utility model is used, firstly the first telescopic rod 9, the second telescopic rod 17 and the third telescopic rod 24 are contracted simultaneously, then the first horizontal force applying device 12, the second horizontal force applying device 20 and the vertical force applying device work simultaneously, the first spring 11 and the second spring 19 are compressed, the third spring 22 is stretched, after the force application is completed, the force application is removed, the first horizontal motion platform 10 moves horizontally and reciprocally under the elastic force of the first spring 11, the first support rod 7 is fixedly connected with the first horizontal motion platform 10, the first horizontal motion platform 10 drives the first support rod 7 to move horizontally and reciprocally, the first support rod 7 is fixedly connected with the first slider 6, the first slider 6 moves along with the first support rod 7, the first connecting rod 8 is fixedly connected with the first support rod 7, the first connecting rod 8 moves along with the first support rod 7, the second horizontal motion platform 18 reciprocates back and forth under the action of the elastic force of a second spring 19, the second support rod 15 is fixedly connected with the second horizontal motion platform 18, the second horizontal motion platform 18 drives the second support rod 15 to reciprocate horizontally, the second support rod 15 is fixedly connected with a second slider 14, the second slider 14 moves along with the second support rod 15, a second connecting rod 16 is fixedly connected with the second support rod 15, the second connecting rod 16 moves along with the second support rod 15, the test bed 21 reciprocates up and down under the action of the tensile force of a third spring 22, a vibration sensor 26 senses vibration and displays the vibration on a display 25, a user can read data conveniently, after the experiment is completed, the first telescopic rod 9, the second telescopic rod 17 and the third telescopic rod 24 extend simultaneously, the third telescopic rod 24 is in contact with the test bed 21 to support the test bed 21, and the test bed 21 is prevented from applying pressure to the third spring 22 when the test bed is not in use, the performance and the service life of the third spring 22 are influenced, the second telescopic rod 17 is in contact with the second connecting rod 16, the second sliding block 14 is prevented from sliding when not used, the abrasion of the second sliding block 14 is aggravated, and the test bed 21 is prevented from inclining; the limiting device is additionally arranged, so that the abrasion speed of parts of the device is reduced, the abrasion aggravation is avoided, the part replacement period is shortened, the use expenditure of a user is reduced, the use cost is saved, meanwhile, the stability of the device is improved, and convenience is brought to the user; the first horizontal force application device 12, the second horizontal force application device 20 and the vertical force application device 23 are all hydraulic force application structures, and can apply stable torque, so that the stress of the device is more uniform.
Specifically, as shown in the figure, the opposite sides of the two first risers 2 in this embodiment are respectively and fixedly connected to one end of an inclined first supporting plate 27, and the other end of each first supporting plate 27 is respectively and fixedly connected to the top surface of the base 1. First backup pad 27, first riser 2 and base 1 constitute the triangle-shaped structure, make first riser 2 more firm with base 1's connection, connect more stably, have improved the stability of structure.
Specifically, as shown in the figure, the opposite sides of the two second risers 3 in this embodiment are respectively and fixedly connected to one end of an inclined second supporting plate 28, and the other end of each second supporting plate 28 is respectively and fixedly connected to the top surface of the base 1. The second supporting plate 28, the second vertical plate 3 and the base 1 form a triangular structure, so that the second vertical plate 3 is more firmly connected with the base 1, the connection is more stable, and the stability of the structure is improved.
Further, as shown in the figure, a rubber pad 29 is fixedly installed on the top surface of the test bed 21 according to the embodiment. The rubber pad 29 has a buffering effect, so that direct contact between an experimental weight and the test bed 21 can be avoided, collision between the experimental weight and the surface of the test bed 21 is avoided, and the test bed 21 is prevented from being damaged; meanwhile, the rubber pad 29 increases the friction force of the experimental weight, and the experimental weight is prevented from being separated from the test bed 21 due to shaking.
Furthermore, as shown in the figure, the front end and the rear end of each first telescopic rod 9 described in this embodiment are respectively and fixedly connected to one end of an inclined first fixing plate 30, and the other end of each first fixing plate 30 is respectively and fixedly connected to the top surface of the fixing table 4. The first fixing plate 30 enables the first telescopic rod 9 to be connected with the fixing table 4 more firmly, the connection is more stable, and the stability of the structure is improved.
Furthermore, as shown in the drawings, two sides of each second telescopic rod 17 in this embodiment are respectively and fixedly connected to one end of an inclined second fixing plate 31, and the other end of each second fixing plate 31 is respectively and fixedly connected to the top surface of the first horizontal moving platform 10. The second fixing plate 31 enables the second telescopic rod 17 to be connected with the first horizontal moving table 10 more firmly, the connection is more stable, and the stability of the structure is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The full-digital three-degree-of-freedom earthquake simulation test bed is characterized in that: comprises a base (1), wherein two sides of the top surface of the base (1) are respectively fixedly provided with a first vertical plate (2), the front end and the rear end of the top surface of the base (1) are respectively fixedly provided with a second vertical plate (3), the top surface of the base (1) is fixedly provided with a fixed platform (4), the top surface of the fixed platform (4) is provided with two first sliding chutes (5) with dovetail-shaped cross sections, the two first sliding chutes (5) are distributed front and back, two first sliding blocks (6) with dovetail-shaped cross sections are arranged in each first sliding chute (5), the two first sliding blocks (6) positioned in the same first sliding chute (5) are respectively positioned at two sides of the first sliding chute (5), the top surface of each first sliding block (6) is fixedly connected with a vertical first supporting rod (7), and the two first supporting rods (7) positioned at the same side of the fixed platform (4) are fixedly connected through a horizontal first connecting rod (8), two horizontal first telescopic rods (9) are respectively and fixedly installed on two sides of the top surface of the fixed platform (4), two first connecting rods (8) are positioned between the two first telescopic rods (9), the top ends of the four first supporting rods (7) are fixedly connected through a first horizontal moving platform (10), two horizontal first springs (11) are respectively and fixedly connected on two sides of the first horizontal moving platform (10), the two first springs (11) positioned on the same side of the first horizontal moving platform (10) are distributed in the front and back direction, a horizontal first force application device (12) is fixedly installed on one side of a first vertical plate (2) positioned on one side of the base (1), the first force application device (12) and the first horizontal moving platform (10) are positioned on the same horizontal plane, two second sliding chutes (13) with dovetail-shaped cross sections are formed in the top surface of the first horizontal moving platform (10), and the two second sliding chutes (13) are respectively positioned on two sides of the first horizontal moving platform (10), two second sliding blocks (14) with dovetail-shaped cross sections are arranged in each second sliding chute (13), the two second sliding blocks (14) positioned in the same second sliding chute (13) are distributed in the front and back direction, the top surface of each second sliding block (14) is fixedly connected with a vertical second supporting rod (15), the two second supporting rods (15) positioned at the same end of the first horizontal moving platform (10) are fixedly connected through a horizontal second connecting rod (16), the front end and the back end of the top surface of the first horizontal moving platform (10) are respectively and fixedly provided with a horizontal second telescopic rod (17), the two second connecting rods (16) are positioned between the two second telescopic rods (17), the top ends of the four second supporting rods (15) are fixedly connected through a second horizontal moving platform (18), the front surface and the back surface of the second horizontal moving platform (18) are respectively and fixedly connected with two horizontal second springs (19), the rear face of a second vertical plate (3) located at the front end of the base (1) is fixedly provided with a horizontal second force application device (20), the second force application device (20) and a second horizontal movement table (18) are located on the same horizontal plane, the top face of the second horizontal movement table (18) is fixedly connected with a test table (21) through a plurality of vertical third springs (22), the center of the top face of the second horizontal movement table (18) is fixedly provided with a vertical force application device (23), four corners of the top face of the second horizontal movement table (18) are respectively fixedly provided with a vertical third telescopic rod (24), and the front face of the test table (21) is fixedly provided with a display (25) and a vibration sensor (26).
2. The all-digital three-degree-of-freedom seismic simulation test bed according to claim 1, wherein: the opposite surfaces of the two first vertical plates (2) are respectively and fixedly connected with one end of an inclined first supporting plate (27), and the other end of each first supporting plate (27) is respectively and fixedly connected with the top surface of the base (1).
3. The all-digital three-degree-of-freedom seismic simulation test bed according to claim 1, wherein: the opposite surfaces of the two second vertical plates (3) are respectively and fixedly connected with one end of an inclined second supporting plate (28), and the other end of each second supporting plate (28) is respectively and fixedly connected with the top surface of the base (1).
4. The all-digital three-degree-of-freedom seismic simulation test bed according to claim 1, wherein: the top surface of the test bed (21) is fixedly provided with a rubber pad (29).
5. The all-digital three-degree-of-freedom seismic simulation test bed according to claim 1, wherein: the front end and the rear end of each first telescopic rod (9) are respectively fixedly connected with one end of an inclined first fixing plate (30), and the other end of each first fixing plate (30) is respectively fixedly connected with the top surface of the fixing table (4).
6. The all-digital three-degree-of-freedom seismic simulation test bed according to claim 1, wherein: two sides of each second telescopic rod (17) are respectively fixedly connected with one end of an inclined second fixing plate (31), and the other end of each second fixing plate (31) is respectively fixedly connected with the top surface of the first horizontal moving table (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821551000.0U CN209822056U (en) | 2018-09-21 | 2018-09-21 | Full-digital three-degree-of-freedom earthquake simulation test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821551000.0U CN209822056U (en) | 2018-09-21 | 2018-09-21 | Full-digital three-degree-of-freedom earthquake simulation test bed |
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| Publication Number | Publication Date |
|---|---|
| CN209822056U true CN209822056U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821551000.0U Expired - Fee Related CN209822056U (en) | 2018-09-21 | 2018-09-21 | Full-digital three-degree-of-freedom earthquake simulation test bed |
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| CN (1) | CN209822056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542080A (en) * | 2020-12-16 | 2021-03-23 | 中国科学院空天信息创新研究院 | Simulation test device based on three-dimensional digital earth geological disaster |
-
2018
- 2018-09-21 CN CN201821551000.0U patent/CN209822056U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542080A (en) * | 2020-12-16 | 2021-03-23 | 中国科学院空天信息创新研究院 | Simulation test device based on three-dimensional digital earth geological disaster |
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Granted publication date: 20191220 Termination date: 20200921 |