CN118329355B - Civil engineering structure earthquake-resistant test device and application method thereof - Google Patents
Civil engineering structure earthquake-resistant test device and application method thereof Download PDFInfo
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- CN118329355B CN118329355B CN202410751705.0A CN202410751705A CN118329355B CN 118329355 B CN118329355 B CN 118329355B CN 202410751705 A CN202410751705 A CN 202410751705A CN 118329355 B CN118329355 B CN 118329355B
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000002474 experimental method Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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Abstract
The invention relates to a civil engineering structure anti-seismic test device and a use method thereof, belonging to the technical field of anti-seismic tests, and comprising a vibrating table, an elastic supporting component, a connecting component, a vibrating device and a test table with a through hole in the middle; the vibrating table is arranged in the middle of the experiment table in a sliding manner; the elastic supporting component is arranged in the experiment table, and the vibrating table is arranged in the elastic supporting component and is used for supporting the vibrating table and providing a vibrating space for the vibrating table; the connecting component is arranged on the experiment table in a sliding way and is used for clamping the vibrating table; the vibration device is arranged at the lower parts of the elastic support component and the vibration table and is used for driving the vibration table to vibrate; be provided with a plurality of connecting bolts on the shaking table, can conveniently fix building model through the shelf of connecting bolt cooperation some connections. The vibrating table is fixed through the connecting component, so that the building model is convenient to install.
Description
Technical Field
The invention relates to the technical field of earthquake-proof experiments, in particular to a civil engineering structure earthquake-proof test device and a use method thereof.
Background
The earthquake-proof design is a main means for ensuring the safety of the civil engineering structure when an earthquake occurs, and the world-wide engineering earthquake-proof design is based on the earthquake-proof design specifications of various countries.
Chinese patent publication CN109506868B discloses a civil engineering structure earthquake-resistant testing device, which effectively solves the problems that the conventional earthquake-resistant testing device is free of vibration average and has no clamping function; the technical scheme includes that the device comprises a hollow shell without a top, driving gears are rotationally connected to the shell, driven gears rotationally connected to the shell are meshed to the left side and the right side of the driving gears, driving sprockets are coaxially and fixedly connected to the two driven gears, the two driving sprockets are connected with driven sprockets rotationally connected to the shell through chains, driving shafts are coaxially and fixedly connected to the two driving sprockets and the driven sprockets, a plurality of cams are uniformly and coaxially fixedly connected to each driving shaft, a platform is connected to the upper side of each cam in a contact mode and is connected to the inside of the shell in a sliding mode, and clamping devices are arranged in the platform; the device has the advantages of simple structure, simple operation, low manufacturing cost, good effect and strong practicability.
However, in the above technical scheme, it is difficult to directly fix the vibrating table, so that when the building model is fixed, the vibrating table is displaced, and potential safety hazards are caused.
Disclosure of Invention
The invention aims at solving the problems in the background art and provides a civil engineering structure earthquake-resistant test device which is convenient to install a building model by fixing a vibrating table through a connecting component and a use method thereof.
In one aspect, the present invention provides a civil engineering structure seismic testing device, including:
A laboratory bench with a through hole in the middle;
The vibration table is arranged in the middle of the experiment table in a sliding manner;
The elastic supporting component is arranged in the experiment table, and the vibrating table is arranged in the elastic supporting component and is used for supporting the vibrating table and providing a vibrating space for the vibrating table;
The connecting component is arranged on the experiment table in a sliding manner and is used for clamping the vibrating table;
and the vibration device is arranged at the lower parts of the elastic support component and the vibration table and is used for driving the vibration table to vibrate.
Preferably, the elastic support component comprises a support frame arranged in the laboratory bench and a support device arranged on the support frame; the upper end of the supporting device is connected with the lower end of the vibrating table.
Preferably, the supporting device comprises a supporting table arranged on the supporting frame and an elastic piece, wherein two ends of the elastic piece are respectively connected with the supporting table and the vibrating table and used for supporting the vibrating table; the support table and the elastic piece are provided with a plurality of support tables; the support frame is provided with an adjusting component for adjusting the support strength of the elastic piece; the adjusting assembly comprises an adjusting sleeve arranged on the outer peripheral side of the elastic piece in a sliding manner and an adjusting screw rod which is rotationally connected with the adjusting sleeve and used for adjusting the height of the adjusting sleeve; the adjusting screw rod is in threaded connection with the supporting frame.
Preferably, the vibration device comprises a connecting frame arranged at the lower end of the vibration table, a rotating shaft rotatably arranged on the connecting frame, a vibration assembly arranged on the rotating shaft and a driving mechanism arranged on the supporting frame and used for driving the rotating shaft to rotate.
Preferably, the driving mechanism comprises a driving motor arranged at the lower end of the supporting frame, a driving belt pulley arranged at the output end of the driving motor, a driven belt pulley arranged on the rotating shaft and a driving belt connected with the driving belt pulley and the driven belt pulley; the support frame is provided with a tensioning mechanism for tensioning the transmission belt.
Preferably, the tensioning mechanism comprises a rotating frame rotatably arranged on the supporting frame, a tensioning wheel rotatably arranged on the rotating frame and tension springs with two ends respectively connected with the rotating frame and the supporting frame; the rotating frame is abutted with the transmission belt.
Preferably, the vibration assembly comprises a connecting part a, a supporting part, a balancing weight and a bolt, wherein the connecting part a is arranged on the rotating shaft in a sliding way and is clamped with the rotating shaft, the supporting part is arranged on the connecting part a, the balancing weight is arranged on the supporting part in a sliding way, and the bolt is used for fixing the position of the balancing weight; the supporting part is provided with a plurality of connecting holes; the bolt is embedded into the connecting hole; the rotating shaft is provided with a clamping part; the connecting part a is connected with the rotating shaft in a sliding way and is clamped with the clamping part, the connecting part a is provided with an abutting bolt, and one end of the abutting bolt is embedded into the clamping part.
Preferably, the connecting assembly comprises a connecting plate a and a fixed block; the vibration table is provided with a clamping groove; one end of the fixed block is embedded in the clamping groove; the connecting plate a is connected with the fixed block in a sliding way and is clamped; the connecting plate a is provided with a sliding groove, and a guide rail is arranged in the sliding groove; the fixed block is provided with a connecting part b which is embedded in the sliding groove and is in sliding connection with the guide rail; the experiment table is provided with a pushing mechanism for driving the fixed block to move; the pushing mechanism comprises a connecting plate b connected with the fixed block, a sliding rod arranged on the connecting plate b and in sliding connection with the experiment table, and a telescopic cylinder arranged on the experiment table and used for driving the connecting plate b to move.
On the other hand, the invention provides a use method of the civil engineering structure anti-seismic test device, which comprises the following steps of:
S1, abutting against a vibrating table through a connecting component to fix the vibrating table, so that the vibrating table is prevented from displacement and shaking when a building model is placed;
s2, fixing the building model to be tested on a vibrating table;
S3, removing the connecting assembly from the vibrating table, and releasing the limit of the vibrating table;
S4, driving the vibrating table to vibrate through the vibrating assembly;
s5, the elastic support component provides a vibrating space of the vibrating table;
s6, the shock resistance of the building model is tested by adjusting the frequency and amplitude of the vibration.
Compared with the prior art, the invention has the following beneficial technical effects:
According to the invention, the connecting component is propped against the vibrating table, so that the vibrating table is in a fixed state, and the gap between the vibrating table and the experiment table is filled, so that the building model is conveniently installed on the vibrating table, and the damage caused by stepping down can be prevented; driving the vibrating table to vibrate through the vibrating assembly, and vibrating the vibrating table to perform an anti-vibration experiment on the building model above the vibrating table; be provided with the access door on the laboratory bench, can conveniently enter into the below of shaking table, overhaul, when overhauling, need guarantee to be in the state of shutting down, and coupling assembling is in the state of supporting on the shaking table to guarantee maintainer's safety.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an exploded view showing the structure of the connecting plate a, the fixing block and the pushing mechanism according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the present invention;
FIG. 4 is a schematic diagram showing the structure of the driving mechanism, the tensioning mechanism and the vibration assembly in cooperation connection according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a coupling structure of a rotating shaft and a vibration assembly according to the present invention.
Reference numerals: 1. an experiment table; 101. an access door; 2. a vibration table; 201. a connecting bolt; 202. a clamping groove; 3. a connecting plate a; 301. a sliding groove; 302. a guide rail; 4. a fixed block; 401. a connecting part b; 5. a pushing mechanism; 501. a telescopic cylinder; 502. a slide bar; 503. a connecting plate b; 6. a support frame; 7. a support device; 701. a support table; 702. an elastic member; 703. an adjusting sleeve; 704. adjusting a screw rod; 8. a rotating shaft; 801. a clamping part; 9. a driving mechanism; 901. a driving motor; 902. a driving pulley; 903. a driven pulley; 904. a transmission belt; 10. a tensioning mechanism; 1001. a tensioning wheel; 1002. a rotating frame; 1003. a tension spring; 11. a connecting frame; 12. a vibration assembly; 1201. a connection part a; 1202. a support part; 1203. balancing weight; 1204. a plug pin; 1205. and a connection hole.
Detailed Description
1-5, The earthquakeproof test device for the civil engineering structure provided by the invention comprises a vibrating table 2, an elastic supporting component, a connecting component, a vibrating device and a laboratory table 1 with a through hole in the middle;
The vibrating table 2 is arranged in the middle of the experiment table 1 in a sliding manner; the elastic support component is arranged in the experiment table 1, the vibration table 2 is arranged on the elastic support component and is used for supporting the vibration table 2 and providing a space for vibrating the vibration table 2; the connecting component is arranged on the experiment table 1 in a sliding way and is used for clamping the vibrating table 2; the vibration device is arranged at the lower parts of the elastic support component and the vibration table 2 and is used for driving the vibration table 2 to vibrate; a plurality of connecting bolts 201 are arranged on the vibrating table 2, and the building model can be conveniently fixed by matching the connecting bolts 201 with a plurality of connected frames.
The invention also provides a use method of the civil engineering structure earthquake-resistant testing device, which comprises the following steps:
s1, abutting against the vibrating table 2 through a connecting component to fix the vibrating table 2, so that the vibrating table 2 is prevented from displacement and shaking when the building model is placed;
s2, fixing the building model to be tested on the vibrating table 2;
S3, removing the connecting assembly from the vibrating table 2, and releasing the limit of the vibrating table 2;
S4, driving the vibrating table 2 to vibrate through the vibrating assembly;
s5, the elastic support component provides a space for vibrating the vibrating table 2;
s6, the shock resistance of the building model is tested by adjusting the frequency and amplitude of the vibration.
In the embodiment, the connecting component is propped against the vibrating table 2, so that the vibrating table 2 is in a fixed state, a gap between the vibrating table 2 and the experiment table 1 is filled, the building model is conveniently installed on the vibrating table 2, and the damage caused by stepping on the air can be prevented; placing the building model on the vibrating table 2, fixing the building model through the connecting bolts 201 and the frame, and removing the connecting assembly from the vibrating table 2 after the fixing is completed, so that the vibrating table 2 can vibrate and has a vibrating space; vibration platform 2 vibration is driven through vibration subassembly, and vibration platform 2 produces vibration and carries out the antidetonation experiment to the building model of its top, and elastic support subassembly supports vibration platform 2, and provides the space of vibration platform 2 vibration, is provided with access door 101 on laboratory bench 1, can conveniently enter into the below of vibration platform 2, overhauls, when overhauling, needs to guarantee to be in the shut down state, and coupling assembling is in the state of supporting on vibration platform 2 to guarantee maintainer's safety.
In the second embodiment, as shown in fig. 1-5, compared with the first embodiment, the invention provides a civil engineering structure anti-seismic testing device, wherein the elastic support assembly comprises a support frame 6 arranged inside the experiment table 1 and a support device 7 arranged on the support frame 6; the upper end of the supporting device 7 is connected with the lower end of the vibrating table 2. The supporting device 7 comprises a supporting table 701 arranged on the supporting frame 6 and an elastic piece 702 with two ends respectively connected with the supporting table 701 and the vibrating table 2 for supporting the vibrating table 2; the support table 701 and the elastic member 702 are each provided with a plurality of; the support frame 6 is provided with an adjusting component for adjusting the support strength of the elastic piece 702; the adjusting assembly comprises an adjusting sleeve 703 arranged on the outer peripheral side of the elastic piece 702 in a sliding manner and an adjusting screw 704 rotationally connected with the adjusting sleeve 703 and used for adjusting the height of the adjusting sleeve 703; the adjusting screw 704 is in threaded connection with the support frame 6.
In this embodiment, the support frame 6 supports the support table 701, the support table 701 supports the elastic member 702, the elastic member 702 supports the vibration table 2, and provides a vibration space of the vibration table 2, the adjusting screw 704 drives the adjusting sleeve 703 to move, and the distance between the upper end of the adjusting sleeve 703 and the lower end of the vibration table 2 is the movable space of the elastic member 702, so that when the distance is smaller, the vibration amplitude is reduced, and when the distance is larger, the vibration amplitude is increased, and can be adjusted according to the test requirement.
In the third embodiment, as shown in fig. 1 to 5, compared with the first embodiment or the second embodiment, the vibration device in the present embodiment includes a connecting frame 11 disposed at the lower end of the vibration table 2, a rotating shaft 8 rotatably disposed on the connecting frame 11, a vibration assembly 12 disposed on the rotating shaft 8, and a driving mechanism 9 disposed on the supporting frame 6 for driving the rotating shaft 8 to rotate.
The driving mechanism 9 includes a driving motor 901 provided at the lower end of the supporting frame 6, a driving pulley 902 provided at the output end of the driving motor 901, a driven pulley 903 provided on the rotating shaft 8, and a transmission belt 904 connected to the driving pulley 902 and the driven pulley 903; the support frame 6 is provided with a tensioning mechanism 10 for tensioning the belt 904. The tensioning mechanism 10 comprises a rotating frame 1002 rotatably arranged on the supporting frame 6, a tensioning wheel 1001 rotatably arranged on the rotating frame 1002 and a tension spring 1003 with two ends respectively connected with the rotating frame 1002 and the supporting frame 6; the turret 1002 abuts the belt 904. The vibration assembly 12 includes a connection portion a1201 slidably provided on the rotation shaft 8 and engaged with the rotation shaft 8, a support portion 1202 provided on the connection portion a1201, a weight 1203 slidably provided on the support portion 1202, and a latch 1204 for fixing a position of the weight 1203; the support 1202 is provided with a plurality of connection holes 1205; latch 1204 is inserted into connection hole 1205; the rotating shaft 8 is provided with a clamping part 801; the connection portion a1201 is slidably connected to the rotation shaft 8, is engaged with the engagement portion 801, and an abutment bolt is provided on the connection portion a1201, and one end of the abutment bolt is fitted into the engagement portion 801.
In this embodiment, the driving motor 901 drives the driving pulley 902 to rotate, the driving pulley 902 drives the driven pulley 903 to rotate through the transmission belt 904, the driven pulley 903 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the vibration component 12 to rotate, and because the vibration component 12 is eccentrically arranged, the rotating shaft 8 can generate eccentric vibration, the rotating shaft 8 drives the connecting frame 11 to vibrate, the connecting frame 11 drives the vibrating table 2 to vibrate, and because the rotating shaft 8 can generate displacement when vibrating, the rotating frame 1002 is driven to overturn through the tension spring 1003, the rotating frame 1002 drives the tensioning wheel 1001 to move, the tensioning wheel 1001 is pressed on the transmission belt 904, the transmission belt 904 is always in a tensioning state, and the displacement generated by the space compensation of the vibration of the rotating shaft 8 can be provided.
When the inclined position of the connecting portion a1201 needs to be adjusted, dislocation is generated between the two vibration assemblies 12, the abutting bolts are unscrewed, the connecting portion a1201 can slide on the rotating shaft 8, the connecting portion a1201 slides out of the clamping portion 801, the connecting portion a1201 is rotated, the connecting portion a1201 is sleeved on the clamping portion 801, and therefore the connecting portion a1201 is clamped on the clamping portion 801 and is fixed through the abutting bolts.
When the centrifugal force needs to be adjusted, the latch 1204 is pulled out, so that the balancing weight 1203 can slide on the supporting portion 1202, the position of the balancing weight 1203 can be adjusted, after adjustment is completed, the hole on the balancing weight 1203 is aligned with the connecting hole 1205, the latch 1204 is inserted into the connecting hole 1205 to fix the balancing weight 1203, and when the position of the balancing weight 1203 is far from the connecting portion a1201, the centrifugal force is larger, and conversely, the centrifugal force is smaller.
In the fourth embodiment, as shown in fig. 1 to 5, compared with the first embodiment, the second embodiment or the third embodiment, the connection assembly in the present embodiment includes a connection plate a3 and a fixing block 4; the vibration table 2 is provided with a clamping groove 202; one end of the fixed block 4 is embedded in the clamping groove 202; the connecting plate a3 is connected with the fixed block 4 in a sliding way and is clamped; the connecting plate a3 is provided with a sliding groove 301, and a guide rail 302 is arranged in the sliding groove 301; the fixed block 4 is provided with a connecting part b401, and the connecting part b401 is embedded in the sliding groove 301 and is in sliding connection with the guide rail 302; the experiment table 1 is provided with a pushing mechanism 5 for driving the fixed block 4 to move; the pushing mechanism 5 comprises a connecting plate b503 connected with the fixed block 4, a sliding rod 502 arranged on the connecting plate b503 and slidingly connected with the experiment table 1, and a telescopic cylinder 501 arranged on the experiment table 1 and used for driving the connecting plate b503 to move.
In this embodiment, when needs are fixed shaking table 2, drive connecting plate b503 through telescopic cylinder 501 and remove, slide bar 502 supports slide bar 502, connecting plate b503 drives fixed block 4 and removes, connecting portion b401 slides in sliding tray 301, until connecting portion b401 and connecting plate a3 butt, thereby can drive connecting plate a3 and remove, make the one end of fixed block 4 insert in joint groove 202, and connecting plate a3 just support on shaking table 2, make the clearance on the through-hole on laboratory bench 1 be filled by connecting plate a3, can conveniently place building model on shaking table 2, and can prevent to step on the sky and lead to falling down, and support shaking table 2 through fixed block 4, shaking table 2 takes place displacement and rocks scheduling problem when installing building model.
When the fixation of the vibration table 2 needs to be released, the connecting plate b503 is driven to move towards the direction away from the vibration table 2 by the telescopic cylinder 501, the fixing block 4 is driven to move out of the clamping groove 202, the fixing block 4 drives the connecting portion b401 to move, the connecting portion b401 slides in the sliding groove 301, the guide rail 302 is contacted with the connecting portion b401, the connecting portion b401 is prevented from being separated from the connecting plate a3, the connecting portion b401 drives the connecting plate a3 to be separated from the vibration table 2, a through hole for providing vibration of the vibration table 2 is exposed, and the connecting plate a3 is prevented from being interfered to the vibration of the vibration table 2.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (4)
1. A civil engineering structure shock resistance test device, characterized by comprising:
a laboratory bench (1) with a through hole in the middle;
The vibrating table (2) is arranged in the middle of the experiment table (1) in a sliding manner;
The elastic support assembly is arranged in the experiment table (1), and the vibration table (2) is arranged on the elastic support assembly and is used for supporting the vibration table (2) and providing a space for vibrating the vibration table (2); the elastic support component comprises a support frame (6) arranged in the experiment table (1) and a support device (7) arranged on the support frame (6); the upper end of the supporting device (7) is connected with the lower end of the vibrating table (2); the supporting device (7) comprises a supporting table (701) arranged on the supporting frame (6) and an elastic piece (702) with two ends respectively connected with the supporting table (701) and the vibrating table (2) and used for supporting the vibrating table (2); the support table (701) and the elastic piece (702) are provided with a plurality of support tables; an adjusting component for adjusting the supporting strength of the elastic piece (702) is arranged on the supporting frame (6); the adjusting assembly comprises an adjusting sleeve (703) arranged on the outer peripheral side of the elastic piece (702) in a sliding manner and an adjusting screw rod (704) which is rotationally connected with the adjusting sleeve (703) and is used for adjusting the height of the adjusting sleeve (703); the adjusting screw rod (704) is in threaded connection with the supporting frame (6);
the connecting component is arranged on the experiment table (1) in a sliding manner and is used for clamping the vibrating table (2);
The connecting component comprises a connecting plate a (3) and a fixed block (4); a clamping groove (202) is formed in the vibrating table (2); one end of the fixed block (4) is embedded into the clamping groove (202); the connecting plate a (3) is connected with the fixed block (4) in a sliding way and is clamped; a sliding groove (301) is arranged on the connecting plate a (3), and a guide rail (302) is arranged in the sliding groove (301); the fixed block (4) is provided with a connecting part b (401), and the connecting part b (401) is embedded in the sliding groove (301) and is in sliding connection with the guide rail (302); a pushing mechanism (5) for driving the fixed block (4) to move is arranged on the experiment table (1); the pushing mechanism (5) comprises a connecting plate b (503) connected with the fixed block (4), a sliding rod (502) arranged on the connecting plate b (503) and in sliding connection with the experiment table (1), and a telescopic cylinder (501) arranged on the experiment table (1) and used for driving the connecting plate b (503) to move;
The vibration device is arranged at the lower parts of the elastic support component and the vibration table (2) and is used for driving the vibration table (2) to vibrate;
The vibrating device comprises a connecting frame (11) arranged at the lower end of the vibrating table (2), a rotating shaft (8) rotatably arranged on the connecting frame (11), a vibrating assembly (12) arranged on the rotating shaft (8) and a driving mechanism (9) arranged on the supporting frame (6) and used for driving the rotating shaft (8) to rotate;
The vibration assembly (12) comprises a connecting part a (1201) which is arranged on the rotating shaft (8) in a sliding manner and is clamped with the rotating shaft (8), a supporting part (1202) which is arranged on the connecting part a (1201), a balancing weight (1203) which is arranged on the supporting part (1202) in a sliding manner and a plug pin (1204) for fixing the position of the balancing weight (1203); the support part (1202) is provided with a plurality of connecting holes (1205); the latch (1204) is embedded and arranged in the connecting hole (1205); a clamping part (801) is arranged on the rotating shaft (8); the connecting part a (1201) is connected with the rotating shaft (8) in a sliding way and is clamped with the clamping part (801), an abutting bolt is arranged on the connecting part a (1201), and one end of the abutting bolt is embedded into the clamping part (801).
2. The earthquakeproof test device of civil engineering structure according to claim 1, characterized in that the driving mechanism (9) comprises a driving motor (901) arranged at the lower end of the supporting frame (6), a driving pulley (902) arranged at the output end of the driving motor (901), a driven pulley (903) arranged on the rotating shaft (8), and a transmission belt (904) connected with the driving pulley (902) and the driven pulley (903); the supporting frame (6) is provided with a tensioning mechanism (10) for tensioning the transmission belt (904).
3. The earthquakeproof test device of civil engineering structure according to claim 2, characterized in that the tensioning mechanism (10) comprises a rotating frame (1002) rotatably arranged on the supporting frame (6), a tensioning wheel (1001) rotatably arranged on the rotating frame (1002) and a tension spring (1003) with two ends respectively connected with the rotating frame (1002) and the supporting frame (6); the rotating frame (1002) is abutted with the transmission belt (904).
4. A method of using the earthquakeproof test unit of civil engineering structure of claim 1, comprising the steps of:
S1, abutting against a vibrating table (2) through a connecting component to fix the vibrating table (2), and preventing the vibrating table (2) from generating displacement and shaking when a building model is placed;
s2, fixing the building model to be tested on a vibrating table (2);
s3, removing the connecting assembly from the vibrating table (2), and releasing limit of the vibrating table (2);
s4, driving the vibrating table (2) to vibrate through the vibrating assembly;
s5, the elastic support component provides a vibrating space for the vibrating table (2);
s6, the shock resistance of the building model is tested by adjusting the frequency and amplitude of the vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410751705.0A CN118329355B (en) | 2024-06-12 | 2024-06-12 | Civil engineering structure earthquake-resistant test device and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410751705.0A CN118329355B (en) | 2024-06-12 | 2024-06-12 | Civil engineering structure earthquake-resistant test device and application method thereof |
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| CN118329355A CN118329355A (en) | 2024-07-12 |
| CN118329355B true CN118329355B (en) | 2024-10-18 |
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|---|---|---|---|---|
| CN210400782U (en) * | 2019-09-16 | 2020-04-24 | 华北理工大学 | Special experimental device for detecting seismic performance of civil structure |
| CN117168742A (en) * | 2023-11-03 | 2023-12-05 | 云南平皓建设检测鉴定有限公司 | Anti-seismic detection device and detection method for house building |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2829381B2 (en) * | 1995-10-31 | 1998-11-25 | 運輸省港湾技術研究所長 | Vibration test equipment |
| US7032452B1 (en) * | 2004-10-12 | 2006-04-25 | National Kaohsiung University Of Applied Sciences | Earthquake simulating vibration table |
| KR101105301B1 (en) * | 2009-06-30 | 2012-01-17 | 한국전력공사 | Concrete adapter for shaking table test |
| CN114112261A (en) * | 2021-11-15 | 2022-03-01 | 李秉键 | Civil engineering structure shock resistance test device |
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- 2024-06-12 CN CN202410751705.0A patent/CN118329355B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210400782U (en) * | 2019-09-16 | 2020-04-24 | 华北理工大学 | Special experimental device for detecting seismic performance of civil structure |
| CN117168742A (en) * | 2023-11-03 | 2023-12-05 | 云南平皓建设检测鉴定有限公司 | Anti-seismic detection device and detection method for house building |
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