Earthquake-proof experiment device for civil structure

Abstract

The utility model relates to the technical field of anti-seismic experiments of wood structures, in particular to an anti-seismic experiment device for a civil structure, which is characterized in that the civil structure is mounted or built on a supporting mechanism, the civil structure is enclosed by a protection mechanism, and then the supporting mechanism is vibrated by a vibration mechanism to detect the anti-seismic performance of the civil structure. After the experiment is finished, the civil structure on the supporting mechanism is treated through the protection mechanism, so that the practicability of the equipment is improved; comprising a supporting mechanism; the device further comprises a vibration mechanism and a protection mechanism, and the vibration mechanism and the protection mechanism are both installed on the supporting mechanism. The supporting mechanism supports a civil structure, the vibration mechanism vibrates the supporting mechanism, and the protection mechanism protects the surroundings.

Description

Technical Field

[0001] The utility model relates to the technical field of earthquake-resistant experiments of wooden structures, in particular to an earthquake-resistant experimental device for civil structures. Background Art

[0002] The seismic resistance test of civil structures is to test the seismic resistance of civil structures by making them vibrate or shake. Generally, the seismic resistance test of civil structures is carried out through the seismic resistance test device of civil structures disclosed in the invention patent with application number 202010550849.1 and the seismic resistance test device of civil structures disclosed in the utility model patent with application number 201820499187.8.

[0003] However, during use, it was found that the existing seismic test device has a relatively simple structure, which is not convenient for vibration in different directions, and is not convenient for protecting the surrounding area when the civil structure collapses. It is also not convenient to clean up the collapsed civil structure after the civil structure collapses, resulting in poor practicality. Therefore, there is an urgent need to improve the existing equipment. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a civil structure seismic test device which is installed or built on a supporting mechanism, surrounds the civil structure by a protective mechanism, and then vibrates the supporting mechanism by a vibration mechanism to detect the seismic performance of the civil structure. After the experiment, the civil structure on the supporting mechanism is processed by the protective mechanism, thereby improving the practicality of the equipment.

[0005] The utility model provides a civil engineering structure earthquake resistance test device, comprising a supporting mechanism, a vibration mechanism and a protection mechanism, both of which are installed on the supporting mechanism;

[0006] The supporting mechanism supports the civil engineering structure, the vibrating mechanism vibrates the supporting mechanism, and the protecting mechanism protects the surroundings;

[0007] The civil structure is installed or built on the supporting mechanism, and the civil structure is surrounded by a protective mechanism. The supporting mechanism is then vibrated by a vibration mechanism to test the seismic performance of the civil structure. After the experiment, the civil structure on the supporting mechanism is processed by the protective mechanism to improve the practicality of the equipment.

[0008] Preferably, the supporting mechanism includes a base, a supporting platform and a supporting seat, the supporting seat is installed on the base, and the supporting platform is installed on the supporting seat; the civil structure is installed or built on the supporting platform, and the vibration mechanism is operated to make the supporting seat shake the supporting platform, and the civil structure is subjected to a vibration test, thereby improving the practicality of the equipment.

[0009] The lifting mechanism comprises a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism, a lifting mechanism on the lifting platform, and a lifting mechanism of the lifting mechanism being further lifting than the lifting mechanism.

[0010] Preferably, the vibration mechanism includes a first motor, a rotating table, a second motor and an eccentric wheel. The bottom end of the first motor is connected to the top of the base, the rotating table is rotatably installed on the fixed seat, the bottom end of the rotating table is connected to the output of the first motor through a flexible coupling, the second motor is installed on the top of the rotating table, and the eccentric wheel is installed on the output shaft of the second motor; by turning on the second motor, the eccentric wheel rotates to generate vibration, and the vibration is transmitted to the fixed seat, and then by turning on the first motor, the rotating table is rotated, the rotation direction of the eccentric wheel is adjusted, and then the vibration direction is adjusted, thereby improving the practicality of the equipment.

[0011] Preferably, the protective mechanism includes a first hydraulic cylinder, a protective frame, multiple groups of protective plates, multiple groups of second hydraulic cylinders and a crushing mechanism. The first hydraulic cylinder is installed on the base, the protective frame is installed on the first hydraulic cylinder, and a gap is left between the bottom end of the protective frame and the support platform. The bottom ends of the multiple groups of protective plates are rotatably installed on the top end of the protective frame, the bottom ends of the multiple groups of second hydraulic cylinders are rotatably installed on the protective frame, the top ends of the multiple groups of second hydraulic cylinders are respectively rotatably installed on the multiple groups of protective plates, and the crushing mechanism is installed on the base to crush the civil structure; the civil structure on the support platform is surrounded by the protective frame, and when the civil structure is higher than the protective frame, the multiple groups of second hydraulic cylinders are extended to make the multiple groups of protective plates stand upright on the top end of the protective frame to surround the civil structure higher than the protective frame. After the experiment is over, the first hydraulic cylinder is contracted to make the protective frame discharge the civil structure on the support platform into the crushing mechanism, thereby improving the practicality of the equipment.

[0012] Preferably, the crushing mechanism includes a crushing box, two sets of crushing shafts, a gearbox and a third motor. The crushing box is installed on the base, and the crushing box is located on the left side of the support platform. The two sets of crushing shafts are rotatably installed inside the crushing box. The gearbox is installed at the front end of the crushing box, and the two sets of output ends of the gearbox are respectively connected to the front ends of the two sets of crushing shafts. The third motor is installed on the gearbox, and the output shaft of the third motor is connected to the input end of the gearbox; turn on the third motor, and transmit the power through the gearbox to make the two sets of crushing shafts rotate relative to each other, and then the protective frame discharges the civil structure into the crushing box, and the civil structure is crushed by the two sets of rotating crushing shafts, thereby improving the practicality of the equipment.

[0013] Preferably, telescopic rods are provided in the middle of the multiple groups of first springs and the multiple groups of second springs; the multiple groups of first springs and the multiple groups of second springs are guided by the multiple groups of telescopic rods during telescoping, thereby improving the practicality of the equipment.

[0014] Compared with the existing technology, the beneficial effects of the present invention are: the civil structure is installed or built on the supporting mechanism, and the civil structure is surrounded by a protective mechanism, and then the supporting mechanism is vibrated by a vibration mechanism to detect the seismic performance of the civil structure. After the experiment is completed, the civil structure on the supporting mechanism is processed by the protective mechanism, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a first axonometric structural diagram of the present invention;

[0016] Figure 2 This is a second axonometric structural diagram of the present invention;

[0017] Figure 3 This is a front view structural diagram of the present utility model;

[0018] Figure 4 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 5 It is a right side structural schematic diagram of the present utility model;

[0020] Figure 6 It is an axonometric enlarged structural diagram of the support seat of the utility model.

[0021] Markings in the accompanying drawings: 1. Base; 2. Support platform; 3. First guide rail; 4. First slider; 5. First spring; 6. Second guide rail; 7. Second slider; 8. Second spring; 9. Fixed seat; 10. First motor; 11. Rotating table; 12. Second motor; 13. Eccentric wheel; 14. First hydraulic cylinder; 15. Protective frame; 16. Protective plate; 17. Second hydraulic cylinder; 18. Crushing box; 19. Crushing shaft; 20. Gearbox; 21. Third motor; 22. Telescopic rod. DETAILED DESCRIPTION

[0022] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0023] Example 1

[0024] It includes a supporting mechanism; it also includes a vibration mechanism and a protection mechanism, and the vibration mechanism and the protection mechanism are both installed on the supporting mechanism;

[0025] The supporting mechanism supports the civil engineering structure, the vibrating mechanism vibrates the supporting mechanism, and the protecting mechanism protects the surroundings;

[0026] The support mechanism includes a base 1, a support platform 2 and a support seat, the support seat is installed on the base 1, and the support platform 2 is installed on the support seat;

[0027] The support seat includes two groups of first guide rails 3, two groups of first sliders 4, multiple groups of first springs 5, two groups of second guide rails 6, two groups of second sliders 7, multiple groups of second springs 8 and a fixed seat 9. The two groups of first guide rails 3 are mounted on the top of the base 1 through the fixed seat 9. The two groups of first sliders 4 are respectively slidably mounted on the two groups of first guide rails 3. One ends of the multiple groups of first springs 5 ​​are respectively mounted on the two groups of first guide rails 3. The other ends of the multiple groups of first springs 5 ​​are respectively mounted on the front and rear ends of the two groups of first sliders 4. The bottom ends of the two groups of second springs 8 are both mounted on the tops of the two groups of first sliders 4. The two groups of second sliders 7 are respectively slidably mounted on the two groups of second guide rails 6. One ends of the multiple groups of second springs 8 are respectively mounted on the two groups of second guide rails 6. The other ends of the multiple groups of second springs 8 are respectively mounted on the left and right ends of the two groups of second sliders 7.

[0028] The vibration mechanism includes a first motor 10, a rotating platform 11, a second motor 12 and an eccentric wheel 13. The bottom end of the first motor 10 is connected to the top of the base 1. The rotating platform 11 is rotatably mounted on the fixed base 9. The bottom end of the rotating platform 11 is connected to the output of the first motor 10 through a flexible coupling. The second motor 12 is installed on the top of the rotating platform 11, and the eccentric wheel 13 is installed on the output shaft of the second motor 12.

[0029] The civil structure is installed or built on the support platform 2, and the eccentric wheel 13 is rotated to generate vibration by turning on the second motor 12, and the vibration is transmitted to the fixed seat 9. Thereafter, the rotating platform 11 is rotated by turning on the first motor 10, and the rotation direction of the eccentric wheel 13 is adjusted, and then the vibration direction is adjusted. Through the elasticity of the first guide rail 3 and the second spring 8, the first slider 4 and the second slider 7 are respectively slid on the first guide rail 3 and the second guide rail 6, so that the support platform 2 can be shaken conveniently and vibration experiments can be carried out on the civil structure in different directions, thereby improving the practicality of the equipment.

[0030] Example 2

[0031] like Figures 1 to 6 As shown, it includes a supporting mechanism; it also includes a vibration mechanism and a protection mechanism, and the vibration mechanism and the protection mechanism are both installed on the supporting mechanism;

[0032] The supporting mechanism supports the civil engineering structure, the vibrating mechanism vibrates the supporting mechanism, and the protecting mechanism protects the surroundings;

[0033] The support mechanism includes a base 1, a support platform 2 and a support seat, the support seat is installed on the base 1, and the support platform 2 is installed on the support seat;

[0034] The support seat includes two groups of first guide rails 3, two groups of first sliders 4, multiple groups of first springs 5, two groups of second guide rails 6, two groups of second sliders 7, multiple groups of second springs 8 and a fixed seat 9. The two groups of first guide rails 3 are mounted on the top of the base 1 through the fixed seat 9. The two groups of first sliders 4 are respectively slidably mounted on the two groups of first guide rails 3. One ends of the multiple groups of first springs 5 ​​are respectively mounted on the two groups of first guide rails 3. The other ends of the multiple groups of first springs 5 ​​are respectively mounted on the front and rear ends of the two groups of first sliders 4. The bottom ends of the two groups of second springs 8 are both mounted on the tops of the two groups of first sliders 4. The two groups of second sliders 7 are respectively slidably mounted on the two groups of second guide rails 6. One ends of the multiple groups of second springs 8 are respectively mounted on the two groups of second guide rails 6. The other ends of the multiple groups of second springs 8 are respectively mounted on the left and right ends of the two groups of second sliders 7.

[0035] The vibration mechanism includes a first motor 10, a rotating platform 11, a second motor 12 and an eccentric wheel 13. The bottom end of the first motor 10 is connected to the top of the base 1. The rotating platform 11 is rotatably mounted on the fixed base 9. The bottom end of the rotating platform 11 is connected to the output of the first motor 10 through a flexible coupling. The second motor 12 is installed on the top of the rotating platform 11, and the eccentric wheel 13 is installed on the output shaft of the second motor 12.

[0036] The protection mechanism includes a first hydraulic cylinder 14, a protection frame 15, multiple groups of protection plates 16, multiple groups of second hydraulic cylinders 17 and a crushing mechanism. The first hydraulic cylinder 14 is installed on the base 1, the protection frame 15 is installed on the first hydraulic cylinder 14, and a gap is left between the bottom end of the protection frame 15 and the support platform 2. The bottom ends of the multiple groups of protection plates 16 are all rotatably installed on the top end of the protection frame 15, the bottom ends of the multiple groups of second hydraulic cylinders 17 are all rotatably installed on the protection frame 15, and the top ends of the multiple groups of second hydraulic cylinders 17 are respectively rotatably installed on the multiple groups of protection plates 16. The crushing mechanism is installed on the base 1 to crush the civil structure;

[0037] The pulverizing mechanism includes a pulverizing box 18, two sets of pulverizing shafts 19, a gearbox 20 and a third motor 21. The pulverizing box 18 is mounted on the base 1 and is located on the left side of the support platform 2. The two sets of pulverizing shafts 19 are rotatably mounted inside the pulverizing box 18. The gearbox 20 is mounted on the front end of the pulverizing box 18, and the two sets of output ends of the gearbox 20 are respectively connected to the front ends of the two sets of pulverizing shafts 19. The third motor 21 is mounted on the gearbox 20, and the output shaft of the third motor 21 is connected to the input end of the gearbox 20.

[0038] A telescopic rod 22 is provided in the middle of the multiple groups of first springs 5 ​​and the multiple groups of second springs 8;

[0039] The civil structure is installed or built on the support platform 2, and the civil structure on the support platform 2 is surrounded by the protective frame 15. When the civil structure is higher than the protective frame 15, multiple sets of second hydraulic cylinders 17 are extended to make multiple sets of protective plates 16 stand upright on the top of the protective frame 15 to surround the civil structure higher than the protective frame 15. By turning on the second motor 12, the eccentric wheel 13 rotates to generate vibration, and the vibration is transmitted to the fixed seat 9. Then, by turning on the first motor 10, the rotating platform 11 is rotated to adjust the rotation direction of the eccentric wheel 13, and then the vibration direction is adjusted. Through the elasticity of the first guide rail 3 and the second spring 8 , so that the first slider 4 and the second slider 7 slide on the first guide rail 3 and the second guide rail 6 respectively, which is convenient for shaking the support platform 2 and conducting vibration experiments on the civil structure in different directions, and through multiple groups of telescopic rods 22, the multiple groups of first springs 5 ​​and the multiple groups of second springs 8 during telescoping are guided respectively. After the experiment is over, the third motor 21 is turned on, and the transmission is transmitted through the gearbox 20 to make the two groups of crushing shafts 19 rotate relative to each other. The first hydraulic cylinder 14 is contracted to make the protective frame 15 discharge the civil structure on the support platform 2 into the crushing box 18, and the civil structure is crushed by the two groups of rotating crushing shafts 19, thereby improving the practicality of the equipment.

[0040] The first motor 10, the second motor 12, the first hydraulic cylinder 14, the second hydraulic cylinder 17, the gearbox 20 and the third motor 21 of the civil structure seismic test device of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A civil structure seismic test device, comprising a support mechanism; characterized in that: It also includes a vibration mechanism and a protection mechanism, both of which are installed on the support mechanism; The supporting mechanism supports the civil engineering structure, the vibrating mechanism vibrates the supporting mechanism, and the protecting mechanism protects the surroundings; The support mechanism comprises a base (1), a support platform (2) and a support seat, wherein the support seat is mounted on the base (1) and the support platform (2) is mounted on the support seat; The vibration mechanism comprises a first motor (10), a rotating platform (11), a second motor (12) and an eccentric wheel (13); the bottom end of the first motor (10) is connected to the top end of the base (1); the rotating platform (11) is rotatably mounted on a fixed seat (9); the bottom end of the rotating platform (11) is connected to the output of the first motor (10) through a flexible coupling; the second motor (12) is mounted on the top end of the rotating platform (11); and the eccentric wheel (13) is mounted on the output shaft of the second motor (12).

2. A civil engineering structure seismic test device as claimed in claim 1, characterized in that: The support seat comprises two groups of first guide rails (3), two groups of first sliders (4), multiple groups of first springs (5), two groups of second guide rails (6), two groups of second sliders (7), multiple groups of second springs (8) and a fixing seat (9). The two groups of first guide rails (3) are both mounted on the top of the base (1) through the fixing seat (9). The two groups of first sliders (4) are respectively slidably mounted on the two groups of first guide rails (3). One ends of the multiple groups of first springs (5) are respectively mounted on the two groups of first guide rails (3). The other ends of the multiple groups of first springs (5) are respectively mounted on the front and rear ends of the two groups of first sliders (4). The bottom ends of the two groups of second springs (8) are both mounted on the top of the two groups of first sliders (4). The two groups of second sliders (7) are respectively slidably mounted on the two groups of second guide rails (6). One ends of the multiple groups of second springs (8) are respectively mounted on the two groups of second guide rails (6). The other ends of the multiple groups of second springs (8) are respectively mounted on the left and right ends of the two groups of second sliders (7).

3. A civil engineering structure seismic test device as claimed in claim 1, characterized in that: The protection mechanism comprises a first hydraulic cylinder (14), a protection frame (15), a plurality of groups of protection plates (16), a plurality of groups of second hydraulic cylinders (17) and a crushing mechanism, wherein the first hydraulic cylinder (14) is mounted on a base (1), the protection frame (15) is mounted on the first hydraulic cylinder (14), and a gap is left between the bottom end of the protection frame (15) and the support platform (2), the bottom ends of the plurality of groups of protection plates (16) are all rotatably mounted on the top end of the protection frame (15), the bottom ends of the plurality of groups of second hydraulic cylinders (17) are all rotatably mounted on the protection frame (15), the top ends of the plurality of groups of second hydraulic cylinders (17) are respectively rotatably mounted on the plurality of groups of protection plates (16), and the crushing mechanism is mounted on the base (1) to crush the civil engineering structure.

4. A civil engineering structure seismic test device as claimed in claim 3, characterized in that: The pulverizing mechanism comprises a pulverizing box (18), two groups of pulverizing shafts (19), a gearbox (20) and a third motor (21); the pulverizing box (18) is mounted on the base (1), and the pulverizing box (18) is located on the left side of the support platform (2); the two groups of pulverizing shafts (19) are rotatably mounted inside the pulverizing box (18); the gearbox (20) is mounted on the front end of the pulverizing box (18), and the two groups of output ends of the gearbox (20) are respectively connected to the front ends of the two groups of pulverizing shafts (19); the third motor (21) is mounted on the gearbox (20), and the output shaft of the third motor (21) is connected to the input end of the gearbox (20).

5. A civil engineering structure seismic test device as claimed in claim 2, characterized in that: A telescopic rod (22) is provided in the middle of each of the plurality of first spring groups (5) and the plurality of second spring groups (8).

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