CN115420449A

CN115420449A - Civil engineering structure anti-seismic test device and method

Info

Publication number: CN115420449A
Application number: CN202210994812.7A
Authority: CN
Inventors: 陆佩菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-02

Abstract

The invention discloses a civil engineering structure anti-seismic test device and method, and belongs to the technical field of civil engineering. A civil engineering structure anti-seismic testing device comprises a base, wherein a longitudinal wave simulation box is arranged on the base, a moving plate is connected in the longitudinal wave simulation box in a sliding mode, a sliding rail is arranged on the moving plate, a sliding seat is connected in the sliding rail in a sliding mode, a supporting plate is fixedly connected to the sliding seat, an installation seat is movably arranged on the supporting plate, an installation groove used for placing a building model is formed in the installation seat, a shell is further arranged on the base, a transverse displacement component used for driving the installation seat to transversely slide is arranged in the shell, and a turning component used for driving the installation seat to rotate is further arranged in the shell; the device has a simple structure, is convenient to control, can simulate multi-direction transverse waves without redundant operation, and effectively ensures the accuracy and the test efficiency of an anti-seismic test by quickly and continuously simulating and demonstrating the vibration of the transverse waves of the building model from different directions.

Description

Civil engineering structure anti-seismic test device and method

Technical Field

The invention relates to the technical field of civil engineering, in particular to a civil engineering structure anti-seismic test device and method.

Background

Civil engineering is a general term for scientific technology for building various land engineering facilities. It refers to both the materials, equipment used and the technical activities carried out such as surveying, designing, construction, maintenance, repair, etc., as well as the objects of engineering construction. Civil engineering refers to engineering entities which are used for surveying, planning, designing, constructing, installing, maintaining and the like of buildings, structures, related supporting facilities and the like of various new-built, reconstructed or expanded projects except for house buildings, and the like, and the earthquake resistance performance of a building structure needs to be detected in advance in order to ensure that equipment has a good earthquake resistance function when the buildings are designed.

The earthquake resistance of the civil engineering structure is mainly to simulate earthquake and is mainly divided into longitudinal waves and transverse waves. The propagation direction of the longitudinal wave is parallel to the vibration direction, so that the building vibrates up and down; then, transverse waves are generated, and the propagation direction of the transverse waves is perpendicular to the vibration direction, so that the building swings left and right, and the damage is easily caused. Although can simulate its shock wave at present common civil engineering structure anti-seismic testing device, only can go on from a direction when simulating the shear wave, for the accuracy of guaranteeing whole simulation experiment result, need dismantle the model of fixing on experimental apparatus, then simulate after the different direction installations of reselection, greatly increased work load, improved staff's intensity of labour, reduce the work efficiency who detects civil engineering structure.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a civil engineering structure anti-seismic testing device and method.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a civil engineering structure anti-seismic test device, includes the base, be provided with longitudinal wave simulation case on the base, sliding connection has the movable plate in the longitudinal wave simulation case, be provided with the slide rail on the movable plate, sliding connection has the slide in the slide rail, fixedly connected with backup pad on the slide, the activity is provided with the mount pad in the backup pad, set up the mounting groove that is used for placing architectural model on the mount pad, still be provided with the shell on the base, be provided with the lateral displacement subassembly that is used for driving the mount pad lateral sliding in the shell, still be provided with the diversion subassembly that is used for driving the mount pad rotation in the shell, the diversion subassembly links to each other with the lateral displacement subassembly.

Preferably, the lateral displacement subassembly is including rotating the axis of rotation that sets up in the shell, the first even board of bottom fixedly connected with of axis of rotation, there is the second even board through round pin axle swing joint on the first even board, the second even board is kept away from the first one end of even board and is linked to each other with the backup pad, the lateral displacement subassembly is still including setting firmly the displacement motor on the shell, the output of displacement motor passes the shell and links to each other with the axis of rotation through the shaft coupling.

Preferably, the supporting plate is fixedly connected with a fixing rod, and the second connecting plate is sleeved on the fixing rod in a sliding mode.

Preferably, the diversion subassembly is including setting firmly the baffle in the shell, be provided with the dwang between the inner wall of baffle and shell, be provided with the gear wheel on the dwang, be provided with the pinion of being connected with large gear engagement in the axis of rotation, still be provided with incomplete gear on the dwang, the diversion subassembly is still including rotating the actuating lever that sets up in the backup pad, the actuating lever links to each other with the mount pad is fixed, be provided with movable gear on the actuating lever, be provided with rack gear between incomplete gear and the movable gear.

Preferably, the rack transmission mechanism comprises a first shell fixedly arranged on the partition plate, a first piston is connected in the first shell in a sliding mode, a first elastic element is arranged between the inner wall of the first piston and the inner wall of the first shell, a first rack connected with incomplete gear meshing is arranged on one side, deviating from the first elastic element, of the first piston, the rack transmission mechanism further comprises a second shell fixedly arranged on the supporting plate, an air guide pipe is communicated between the first shell and the second shell, a second piston is connected to the inner wall of the second shell in a sliding mode, a second elastic element is arranged between the second piston and the inner wall of the second shell, and a second rack connected with the movable gear meshing is arranged on one side, deviating from the second elastic element, of the second piston.

Preferably, a sliding groove is formed in the second piston, a sliding block is connected in the sliding groove in a sliding manner, a third elastic element is arranged between the sliding block and the inner wall of the sliding groove, the sliding block is fixedly connected with the second rack, a fixing plate which movably abuts against the second rack is arranged on the supporting plate, inclined surfaces which abut against each other are arranged on the fixing plate and the second rack, and a positioning assembly used for limiting the displacement of the second rack is further arranged on the second piston.

Preferably, the positioning assembly comprises a groove formed in the second piston, a fixed shaft is fixedly connected in the groove, a swing rod is connected to the fixed shaft in a rotating mode, a torsion spring used for resetting and rotating the swing rod is arranged between the fixed shaft and the swing rod, a positioning block and a pressing block are respectively and movably connected to two ends of the swing rod, the positioning block and the pressing block are arranged on the second piston in a sliding mode, a positioning groove matched with the positioning block is formed in the second rack, and the pressing block is movably abutted to the inner wall of the second shell.

Preferably, the two ends of the swing rod are provided with movable grooves, the ends of the positioning block and the pressing block, which are connected with the swing rod, are provided with movable rods, and the movable rods are connected in the movable grooves in a sliding mode.

Preferably, a longitudinal wave simulation mechanism is arranged in the longitudinal wave simulation box and used for driving the movable plate to slide and displace up and down in the longitudinal wave simulation box, a guide strip is arranged on the longitudinal wave simulation box, and a guide groove matched with the guide strip is formed in the movable plate.

The invention also discloses a civil engineering structure anti-seismic test method, which comprises a civil engineering structure anti-seismic test device and further comprises the following steps:

s1: when the device is used, the building model is fixedly installed in the installation groove of the installation seat, when longitudinal wave simulation is carried out on the building model, the movable plate is driven to move up and down in the box body through the longitudinal wave simulation mechanism in the longitudinal wave simulation box, the installation seat on the upper side of the support plate is driven to move through the support plate connected with the movable plate while the movable plate moves up and down, and then the anti-seismic performance of the longitudinal wave is demonstrated on the building model in the installation groove;

s2: when the transverse wave anti-seismic demonstration is required to be carried out on the building model, the displacement motor is controlled to operate, the output end of the displacement motor drives the rotating shaft to rotate, the rotating shaft rotates to drive the first connecting plate to synchronously rotate, the first connecting plate drives the second connecting plate movably connected with the first connecting plate to swing, the second connecting plate drives the supporting plate to reciprocate left and right, the supporting plate slides in the sliding rail through the sliding seat, the supporting plate drives the building model on the mounting seat to transversely displace through the driving rod, and the transverse wave anti-seismic simulation detection is carried out;

s3: when the rotating shaft rotates, the pinion on the outer side is meshed with the gearwheel on the rotating rod, the gearwheel drives the rotating rod and the incomplete gearwheel on the rotating rod to be meshed, and the gearwheel rotates for a circle after the pinion rotates for multiple circles, so that after the transverse wave is subjected to multiple anti-seismic detection in one direction of the building model, the incomplete gearwheel starts to be meshed with the first rack, the first rack drives the first piston to slide in the first shell when being meshed, the first piston extrudes air in the first shell into the second shell, the air generates thrust on the second piston, the second piston drives the second rack to move under stress, the second rack is meshed with the moving gear on the driving rod when moving, the driving rod is driven by the moving gearwheel to move by the mounting seat on the upper side of the driving rod, the building model changes the direction of the driving rod, and the transverse wave simulation demonstration is performed on the transverse displacement assembly from the other direction of the building model;

s4: when the second rack is meshed with the moving gear, the second rack can gradually abut against the fixed plate to move downwards, after the incomplete gear is meshed with the first rack, the second rack is not meshed with the moving gear any more, the second rack cannot move upwards under the limitation of the positioning block, the first piston drives the first rack to reset under the pushing of the elastic force of the first elastic element to wait for the next meshing with the incomplete gear, after the first piston resets, air which is pushed into the second shell before flows back, the second piston resets and enables the abutting block to abut against the inner wall of the second shell, the abutting block drives the swinging rod to rotate by taking the fixed shaft as the center of a circle, the second rack resets and moves upwards under the elastic force of the third elastic element to be in a meshing state with the moving gear again, and the next turning action of the building model is waited for.

Compared with the prior art, the invention provides a civil engineering structure anti-seismic test device and a method, which have the following beneficial effects:

1. this civil engineering structure antidetonation test device and method, when through carrying out the demonstration of transverse wave antidetonation at the lateral displacement subassembly to building model, make diversion subassembly drive building model automatic steering, moreover, the steam generator is simple in structure, and convenient control need not to carry out unnecessary operation to the device, can reach the simulation of multi-direction transverse wave, reduce staff's work load, through quick and lasting to building model from the not equidirectional vibrations simulation demonstration of transverse wave, thereby obtain the data of transverse wave simulation in the equidirectional, make the test result more have the feasibility, effectively guaranteed antidetonation test's accuracy and efficiency of software testing.

2. According to the civil engineering structure anti-seismic test device and method, the second rack slides on the second piston, after the first rack is meshed with the incomplete gear, the second rack is not meshed with the moving gear after being pressed against the fixed plate, the positioning assembly limits the height of the second rack, and the second rack is prevented from being meshed with the moving gear again when being reset and moved, so that the building model is reset and rotated, and the influence on normal continuous turning action of the building model is avoided.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second structural diagram of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 3 according to the present invention;

FIG. 5 is an external view of the support plate of the present invention;

FIG. 6 is a schematic structural view of the rack gear of the present invention;

FIG. 7 is a schematic cross-sectional view of a second housing of the present invention;

fig. 8 is a partially enlarged view of portion B of fig. 7 according to the present invention.

In the figure: 1. a base; 2. a longitudinal wave simulation box; 201. a guide strip; 3. moving the plate; 301. a slide rail; 302. a guide groove; 4. a support plate; 401. a slide base; 402. fixing the rod; 403. a fixing plate; 5. a mounting seat; 501. mounting grooves; 6. a housing; 601. a partition plate; 7. a displacement motor; 701. a rotating shaft; 7011. a pinion gear; 702. a first connecting plate; 703. a second connecting plate; 8. rotating the rod; 801. a bull gear; 802. an incomplete gear; 9. a drive rod; 901. a moving gear; 10. an air duct; 11. a first housing; 111. a first piston; 112. a first elastic element; 113. a first rack; 12. a second housing; 121. a second piston; 1211. a chute; 1212. a slider; 1213. a third elastic element; 122. a second elastic element; 123. a second rack; 1231. positioning a groove; 13. a fixed shaft; 131. a swing lever; 1311. a movable groove; 132. positioning blocks; 133. a pressing block; 14. a movable rod.

Detailed Description

The technical solution in 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; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, civil engineering structure anti-seismic test device, which comprises a base 1, be provided with longitudinal wave simulation case 2 on the base 1, sliding connection has movable plate 3 in the longitudinal wave simulation case 2, be provided with slide rail 301 on the movable plate 3, sliding connection has slide 401 in slide rail 301, fixedly connected with backup pad 4 on the slide 401, the activity is provided with mount pad 5 on the backup pad 4, set up the mounting groove 501 that is used for placing the architectural model on the mount pad 5, still be provided with shell 6 on the base 1, be provided with the lateral displacement subassembly that is used for driving 5 lateral shifting of mount pad in the shell 6, still be provided with the diversion subassembly that is used for driving 5 rotations of mount pad in the shell 6, the diversion subassembly links to each other with the lateral displacement subassembly.

Further, a longitudinal wave simulation mechanism is arranged in the longitudinal wave simulation box 2 and used for driving the moving plate 3 to slide up and down in the longitudinal wave simulation box 2, a guide bar 201 is arranged on the longitudinal wave simulation box 2, and a guide groove 302 matched with the guide bar 201 is formed in the moving plate 3.

Specifically, when the device is used, a building model is fixedly installed in an installation groove 501 of an installation seat 5, when longitudinal wave simulation is carried out on the building model, a movable plate 3 is driven to move up and down in a box body through a longitudinal wave simulation mechanism in a longitudinal wave simulation box 2, the movable plate 3 drives the installation seat 5 on the upper side of a supporting plate 4 to move through a supporting plate 4 connected with the movable plate 3 while moving up and down, then anti-seismic performance demonstration of longitudinal waves is carried out on the building model in the installation groove 501, then, transverse displacement assembly action is controlled, anti-seismic performance demonstration of transverse waves is carried out on the building model, meanwhile, a turning assembly drives the building model to automatically turn, the structure is simple, control is convenient, redundant operation is not needed to be carried out on the device, multi-direction transverse wave simulation can be achieved, workload of workers is reduced, vibration simulation demonstration of transverse waves is carried out on the building model from different directions quickly and continuously, data of transverse wave simulation in different directions are obtained, test results are more improved, and feasibility and test efficiency of anti-seismic tests are effectively guaranteed.

Referring to fig. 1, 2, 3 and 4, as a preferred technical solution of the present invention, the lateral displacement assembly includes a rotating shaft 701 rotatably disposed in the housing 6, a first connecting plate 702 is fixedly connected to the bottom of the rotating shaft 701, a second connecting plate 703 is movably connected to the first connecting plate 702 through a pin, one end of the second connecting plate 703, which is far away from the first connecting plate 702, is connected to the support plate 4, the lateral displacement assembly further includes a displacement motor 7 fixedly disposed on the housing 6, and an output end of the displacement motor 7 passes through the housing 6 and is connected to the rotating shaft 701 through a coupling.

Specifically, when needs carry out the transverse wave antidetonation demonstration to the architectural model, control displacement motor 7 operation, it is rotatory to make displacement motor 7's output drive axis of rotation 701, axis of rotation 701 is rotatory to drive first link board 702 and is rotated in step, first link board 702 drives the second link board 703 swing rather than swing joint, and then make second link board 703 drive backup pad 4 left and right sides reciprocating motion, backup pad 4 slides in slide rail 301 through slide 401, backup pad 4 passes through the architectural model lateral displacement on actuating lever 9 drive mount pad 5, the antidetonation simulation of carrying out the transverse wave detects, when needs adjust the amplitude of transverse wave, can realize the adjustment to architectural model displacement range through the length of change first link board 702.

Referring to fig. 3 and 5, as a preferred embodiment of the present invention, a fixing rod 402 is fixedly connected to the supporting plate 4, and a second connecting plate 703 is slidably sleeved on the fixing rod 402;

specifically, when the longitudinal wave anti-seismic test of the building model is performed, the fixing rod 402 on the supporting plate 4 slides up and down on the second connecting plate 703, so that the longitudinal wave and the transverse wave anti-seismic test are matched, and the practicability is improved.

Referring to fig. 1, 2, 3, 4, 5 and 6, as a preferred technical solution of the present invention, the direction changing assembly includes a partition 601 fixedly disposed in the housing 6, a rotating rod 8 is disposed between the partition 601 and an inner wall of the housing 6, a large gear 801 is disposed on the rotating rod 8, a small gear 7011 engaged with the large gear 801 is disposed on the rotating shaft 701, an incomplete gear 802 is further disposed on the rotating rod 8, the direction changing assembly further includes a driving rod 9 rotatably disposed on the supporting plate 4, the driving rod 9 is fixedly connected with the mounting base 5, a moving gear 901 is disposed on the driving rod 9, and a rack transmission mechanism is disposed between the incomplete gear 802 and the moving gear 901.

Further, the rack transmission mechanism includes a first housing 11 fixedly arranged on the partition 601, a first piston 111 is slidably connected to the first housing 11, a first elastic element 112 is arranged between the first piston 111 and the inner wall of the first housing 11, a first rack 113 meshed with the incomplete gear 802 is arranged on one side of the first piston 111 departing from the first elastic element 112, the rack transmission mechanism further includes a second housing 12 fixedly arranged on the support plate 4, an air duct 10 is communicated between the first housing 11 and the second housing 12, a second piston 121 is slidably connected to the inner wall of the second housing 12, a second elastic element 122 is arranged between the second piston 121 and the inner wall of the second housing 12, and a second rack 123 meshed with the moving gear 901 is arranged on one side of the second piston 121 departing from the second elastic element 122.

Specifically, when the transverse displacement assembly performs a transverse wave anti-seismic test on the building model, the pinion 7011 on the outer side is meshed with the gearwheel 801 on the rotating rod 8 when the rotating shaft 701 rotates, the gearwheel 801 drives the rotating rod 8 and the incomplete gear 802 on the rotating rod 8 to be meshed, and the pinion 7011 rotates for a circle after a plurality of circles, so that after multiple times of transverse wave anti-seismic detection is performed in one direction of the building model, the incomplete gear 802 starts to be meshed with the first rack 113, the first piston 111 is driven to slide in the first housing 11 when the first rack 113 is meshed, the first piston 111 extrudes air in the first housing 11 into the second housing 12, the air generates thrust on the second piston 121, the second piston 121 is forced to drive the second rack 123 to move, the second rack 123 is meshed with the moving gear 901 on the driving rod 9 when moving, so that the driving gear drives the driving rod 9 and the mounting seat 5 on the upper side to move, the building model changes the direction, the transverse displacement assembly performs a transverse wave simulation from another direction of the building model, and further ensures that the transverse wave test efficiency is more accurate and the transverse wave test is more feasible.

Referring to fig. 1, 2, 3, 4, 6, 7 and 8, as a preferred technical solution of the present invention, a sliding slot 1211 is formed on the second piston 121, a sliding block 1212 is slidably connected to the sliding slot 1211, a third elastic element 1213 is disposed between the sliding block 1212 and an inner wall of the sliding slot 1211, the sliding block 1212 is fixedly connected to the second rack 123, a fixing plate 403 movably abutting against the second rack 123 is disposed on the support plate 4, inclined surfaces abutting against each other are disposed on the fixing plate 403 and the second rack 123, and a positioning assembly for limiting the displacement of the second rack 123 is further disposed on the second piston 121.

Further, the positioning assembly includes a groove formed in the second piston 121, a fixing shaft 13 is fixedly connected in the groove, a swing rod 131 is rotatably connected to the fixing shaft 13, a torsion spring used for the swing rod 131 to rotate and reset is arranged between the fixing shaft 13 and the swing rod 131, two ends of the swing rod 131 are respectively and movably connected with a positioning block 132 and a pressing block 133, the positioning block 132 and the pressing block 133 are both slidably arranged on the second piston 121, a positioning groove 1231 matched with the positioning block 132 is formed in the second rack 123, and the pressing block 133 is movably abutted to the inner wall of the second housing 12.

Furthermore, both ends of the swing rod 131 are respectively provided with a movable groove 1311, the ends of the positioning block 132 and the pressing block 133 connected to the swing rod 131 are respectively provided with a movable rod 14, and the movable rods 14 are slidably connected in the movable grooves 1311.

Specifically, when the second rack 123 is engaged with the moving gear 901, the second rack 123 gradually moves down in the process of abutting against the fixing plate 403, after the incomplete gear 802 is engaged with the first rack 113, the second rack 123 is not engaged with the moving gear 901 any more, and at this time, the second rack 123 is restricted by the positioning block 132 and cannot move up, the first piston 111 drives the first rack 113 to reset under the pushing of the elastic force of the first elastic element 112, waiting for the next engagement with the incomplete gear 802, and after the first piston 111 resets, previously pushing the air backflow entering the second housing 12, the second piston 121 resets and causing the abutting block 133 to abut against the inner wall of the second housing 12, the abutting block 133 drives the swing rod 131 to rotate around the fixed shaft 13 as a circle center, so that the second rack 123 resets and moves up under the elastic force of the third elastic element 1213, is engaged with the moving gear 901 again, waiting for the next action on the building model, and by adjusting the up and down of the second rack 123, the second rack 123 is prevented from being engaged with the rack 123 again, so that the second rack 123 continuously rotates to change the direction of the building model, and the direction of the moving gear 901, and the building model is changed.

Referring to fig. 1 and 5, as a preferred technical solution of the present invention, a longitudinal wave simulation mechanism is disposed in the longitudinal wave simulation box 2 and used for driving the moving plate 3 to slide up and down in the longitudinal wave simulation box 2, a guide bar 201 is disposed on the longitudinal wave simulation box 2, and a guide groove 302 matched with the guide bar 201 is disposed on the moving plate 3.

Specifically, the moving plate 3 is driven by a longitudinal wave simulation mechanism in the longitudinal wave simulation box 2 to move up and down in the box body, and when the moving plate 3 moves, the moving plate slides outside the guide strips 201 through the guide grooves 302, so that the moving stability of the moving plate 3 is improved.

s1: when the device is used, a building model is fixedly installed in an installation groove 501 of an installation seat 5, when longitudinal wave simulation is carried out on the building model, a longitudinal wave simulation mechanism in a longitudinal wave simulation box 2 drives a movable plate 3 to move up and down in a box body, the installation seat 5 on the upper side of a support plate 4 is driven to move by a support plate 4 connected with the movable plate 3 while the movable plate 3 moves up and down, and then the anti-seismic performance of the longitudinal wave is demonstrated on the building model in the installation groove 501;

s2: when the transverse wave anti-seismic demonstration is required to be performed on the building model, the displacement motor 7 is controlled to operate, the output end of the displacement motor 7 drives the rotating shaft 701 to rotate, the rotating shaft 701 rotates to drive the first connecting plate 702 to synchronously rotate, the first connecting plate 702 drives the second connecting plate 703 movably connected with the first connecting plate to swing, the second connecting plate 703 drives the supporting plate 4 to reciprocate left and right, the supporting plate 4 slides in the sliding rail 301 through the sliding seat 401, and the supporting plate 4 drives the building model on the mounting seat 5 to transversely displace through the driving rod 9 to perform anti-seismic simulation detection on the transverse wave;

s3: when the rotating shaft 701 rotates, the pinion 7011 on the outer side is meshed with the gearwheel 801 on the rotating rod 8, the gearwheel 801 drives the rotating rod 8 and the incomplete gear 802 on the rotating rod 8 to be meshed, and after the pinion 7011 rotates for multiple circles, the gearwheel 801 rotates for one circle, therefore, after multiple anti-seismic detections of transverse waves are performed in one direction of the building model, the incomplete gear 802 starts to be meshed with the first rack 113, the first rack 113 drives the first piston 111 to slide in the first shell 11 when meshed, the first piston 111 extrudes air in the first shell 11 into the second shell 12, the air generates thrust on the second piston 121, the second piston 121 is forced to drive the second rack 123 to move, the second rack 123 is meshed with the moving gear 901 on the driving rod 9 when moving, so that the moving gear 901 drives the driving rod 9 and the mounting seat 5 on the upper side of the driving rod 9 to move, so that the building model changes the direction, and the transverse displacement assembly performs anti-seismic demonstration of the transverse waves in the other direction of the building model;

s4: when the second rack 123 is engaged with the moving gear 901, the second rack 123 gradually moves downward against the fixing plate 403, after the incomplete gear 802 is engaged with the first rack 113, the second rack 123 is not engaged with the moving gear 901 any more, and at this time, the second rack 123 is limited by the positioning block 132 and cannot move upward, the first piston 111 drives the first rack 113 to reset under the elastic force of the first elastic element 112, waiting for the next engagement with the incomplete gear 802, and after the first piston 111 resets, the air pushed into the second housing 12 flows back before, the second piston 121 resets and makes the pressing block 133 abut against the inner wall of the second housing 12, the pressing block 133 drives the swing rod 131 to rotate around the fixed shaft 13, so that the second rack 123 resets and moves upward under the elastic force of the third elastic element 1213, and is again engaged with the moving gear 901, and waiting for the next direction change action of the building model.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a civil engineering structure anti-seismic test device, includes base (1), its characterized in that, be provided with vertical ripples analog box (2) on base (1), sliding connection has movable plate (3) in vertical ripples analog box (2), be provided with slide rail (301) on movable plate (3), sliding connection has slide (401) in slide rail (301), fixedly connected with backup pad (4) are gone up in slide (401), the activity is provided with mount pad (5) on backup pad (4), set up mounting groove (501) that are used for placing the architectural model on mount pad (5), still be provided with shell (6) on base (1), be provided with the lateral displacement subassembly that is used for driving mount pad (5) lateral sliding in shell (6), still be provided with the diversion subassembly that is used for driving mount pad (5) rotatory in shell (6), the diversion subassembly links to each other with the lateral displacement subassembly.

2. An earthquake-resistant test device for civil engineering structures according to claim 1, wherein the transverse displacement assembly comprises a rotating shaft (701) rotatably arranged in the housing (6), a first connecting plate (702) is fixedly connected to the bottom of the rotating shaft (701), a second connecting plate (703) is movably connected to the first connecting plate (702) through a pin shaft, one end, far away from the first connecting plate (702), of the second connecting plate (703) is connected with the support plate (4), the transverse displacement assembly further comprises a displacement motor (7) fixedly arranged on the housing (6), and the output end of the displacement motor (7) penetrates through the housing (6) and is connected with the rotating shaft (701) through a coupler.

3. The civil engineering structure earthquake resistance test device as claimed in claim 2, wherein the support plate (4) is fixedly connected with a fixing rod (402), and the second connecting plate (703) is sleeved and slid on the fixing rod (402).

4. The civil engineering structure anti-seismic testing device of claim 2, characterized in that the direction changing assembly comprises a partition board (601) fixedly arranged in the housing (6), a rotating rod (8) is arranged between the partition board (601) and the inner wall of the housing (6), a large gear (801) is arranged on the rotating rod (8), a small gear (7011) meshed with the large gear (801) is arranged on the rotating shaft (701), an incomplete gear (802) is further arranged on the rotating rod (8), the direction changing assembly further comprises a driving rod (9) rotatably arranged on the supporting plate (4), the driving rod (9) is fixedly connected with the mounting seat (5), a moving gear (901) is arranged on the driving rod (9), and a rack transmission mechanism is arranged between the incomplete gear (802) and the moving gear (901).

5. A civil engineering structure anti-seismic test device according to claim 4, characterized in that the rack transmission mechanism comprises a first housing (11) fixedly arranged on the partition plate (601), a first piston (111) is slidably connected in the first housing (11), a first elastic element (112) is arranged between the first piston (111) and the inner wall of the first housing (11), a first rack (113) meshed with the incomplete gear (802) is arranged on one side of the first piston (111) departing from the first elastic element (112), the rack transmission mechanism further comprises a second housing (12) fixedly arranged on the support plate (4), a gas guide tube (10) is communicated between the first housing (11) and the second housing (12), a second piston (121) is slidably connected to the inner wall of the second housing (12), a second elastic element (122) is arranged between the second piston (121) and the inner wall of the second housing (12), and a second moving gear (901) meshed with the rack (123) is arranged on one side of the second piston (121) departing from the second elastic element (122).

6. The civil engineering structure earthquake-resistance test device of claim 5, wherein the second piston (121) is provided with a sliding groove (1211), the sliding groove (1211) is connected with a sliding block (1212) in a sliding manner, a third elastic element (1213) is arranged between the sliding block (1212) and the inner wall of the sliding groove (1211), the sliding block (1212) is fixedly connected with the second rack (123), the support plate (4) is provided with a fixing plate (403) which movably abuts against the second rack (123), the fixing plate (403) and the second rack (123) are provided with inclined surfaces which abut against each other, and the second piston (121) is further provided with a positioning assembly for limiting the displacement of the second rack (123).

7. The civil engineering structure earthquake-resistance test device of claim 6, wherein the positioning component comprises a groove formed in the second piston (121), a fixed shaft (13) is fixedly connected in the groove, a swinging rod (131) is rotatably connected to the fixed shaft (13), a torsion spring for resetting and rotating the swinging rod (131) is arranged between the fixed shaft (13) and the swinging rod (131), two ends of the swinging rod (131) are respectively and movably connected with a positioning block (132) and a pressing block (133), the positioning block (132) and the pressing block (133) are both arranged on the second piston (121) in a sliding manner, a positioning groove (1231) matched with the positioning block (132) is formed in the second rack (123), and the pressing block (133) is movably abutted against the inner wall of the second shell (12).

8. The civil engineering structure earthquake-resistance test device of claim 7, wherein the two ends of the swing rod (131) are both provided with a movable groove (1311), the ends of the positioning block (132) and the pressing block (133) connected with the swing rod (131) are both provided with a movable rod (14), and the movable rod (14) is slidably connected in the movable groove (1311).

9. The civil engineering structure earthquake-resistant test device according to claim 1, wherein a longitudinal wave simulation mechanism is arranged in the longitudinal wave simulation box (2) and used for driving the moving plate (3) to slide up and down in the longitudinal wave simulation box (2) for displacement, a guide strip (201) is arranged on the longitudinal wave simulation box (2), and a guide groove (302) matched with the guide strip (201) is formed in the moving plate (3).

10. A civil engineering structure earthquake resistance test method comprising the civil engineering structure earthquake resistance test device of any one of claims 1 to 9, characterized by further comprising the steps of:

s1: when the device is used, a building model is fixedly installed in an installation groove (501) of an installation seat (5), when longitudinal wave simulation is carried out on the building model, a longitudinal wave simulation mechanism in a longitudinal wave simulation box (2) drives a movable plate (3) to move up and down in a box body, the installation seat (5) on the upper side of a support plate (4) is driven to move by the support plate (4) connected with the movable plate (3) while the movable plate (3) moves up and down, and then the anti-seismic performance of the longitudinal wave is demonstrated on the building model in the installation groove (501);

s2: when the transverse wave anti-seismic demonstration is required to be carried out on the building model, the displacement motor (7) is controlled to operate, the output end of the displacement motor (7) drives the rotating shaft (701) to rotate, the rotating shaft (701) rotates to drive the first connecting plate (702) to synchronously rotate, the first connecting plate (702) drives the second connecting plate (703) movably connected with the first connecting plate to swing, the second connecting plate (703) further drives the supporting plate (4) to reciprocate left and right, the supporting plate (4) slides in the sliding rail (301) through the sliding seat (401), and the supporting plate (4) drives the building model on the mounting seat (5) to transversely displace through the driving rod (9) to carry out transverse wave anti-seismic simulation detection;

s3: when the rotating shaft (701) rotates, the pinion (7011) on the outer side is meshed with the large gear (801) on the rotating rod (8), the large gear (801) drives the rotating rod (8) and the incomplete gear (802) on the rotating rod (8) to be meshed, the pinion (7011) rotates for a plurality of circles, and then the large gear (801) rotates for a circle, so after multiple times of anti-seismic detection of transverse waves in one direction of a building model, the incomplete gear (802) starts to be meshed with the first rack (113), the first rack (113) drives the first piston (111) to slide in the first shell (11) when being meshed, the first piston (111) extrudes air in the first shell (11) into the second shell (12), the air generates thrust on the second piston (121), the second piston (121) drives the second rack (123) to move under the force, the second rack (123) is meshed with the moving gear (901) on the driving rod (9) when moving, the pinion (901) drives the mounting base (5) on the upper side of the second piston (121) to move, and the anti-seismic wave module to simulate the transverse wave movement of another building model;

s4: when the second rack (123) is meshed with the moving gear (901), the second rack (123) can gradually abut against the fixing plate (403) to move downwards, after the incomplete gear (802) is meshed with the first rack (113), the second rack (123) is not meshed with the moving gear (901), the second rack (123) cannot move upwards under the limitation of the positioning block (132), the first piston (111) drives the first rack (113) to reset under the elastic force of the first elastic element (112), the next time of meshing with the incomplete gear (802) is waited, after the first piston (111) resets, air which is pushed into the second shell (12) flows back before, the second piston (121) resets and enables the abutting block (133) to abut against the inner wall of the second shell (12), the abutting block (133) drives the swinging rod (131) to rotate by taking the fixing shaft (13) as a circle center, the second rack (123) is enabled to move upwards under the elastic force of the third elastic element (1213), and the building model waits for moving upwards once again under the resetting state of the moving gear (901).