CN210777477U

CN210777477U - Earthquake simulator

Info

Publication number: CN210777477U
Application number: CN201921180187.2U
Authority: CN
Inventors: 肖华宁; 宋廷苏; 黄剑涛; 王林建
Original assignee: Shenzhen Tongtai Huachuang Shock Absorption Technology Co ltd; Shenzhen Academy Of Disaster Prevention And Reduction
Current assignee: Zhongzhen Huachuang Shenzhen Technology Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-16
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses an earthquake analogue means, including vibration base, shaking table and drive arrangement, fixedly connected with carriage on the vibration base is equipped with two slide rails that are parallel to each other on this carriage, a plurality of slider of fixed connection on the downside of shaking table, the setting that the slider can slide is on the slide rail, drive arrangement includes driving motor, drive track and drive gear, the drive track is fixed on the downside of shaking table, the drive gear cover is established in driving motor's pivot, the drive track is rectangular shape board, sets up the slide opening that extends along rectangular shape board in it. The utility model discloses an earthquake simulator, through drive gear and the orbital setting of drive, the effect of the realization vibration of sliding about alright a drive shaking table of effectual realization to inside having set up driving motor vibrating base, so just can not appear the big problem of occupation space among the prior art.

Description

Earthquake simulator

Technical Field

The utility model relates to a simulator, more specifically the utility model relates to an earthquake simulator that says so.

Background

Earthquake disasters are natural disasters with strong destructive power at present, and in order to ensure that loss is reduced to the minimum when the earthquake disasters occur, people need to simulate the earthquake disasters in a small range and further think corresponding measures so as to avoid the problem that the damage caused by the earthquake disasters cannot be timely and effectively solved.

Therefore, in the prior art, the existing earthquake simulator is arranged to simulate the existing earthquake occurrence vibration situation so as to enable people to know some phenomena generated during the earthquake occurrence, and then, aiming at the phenomena, a corresponding coping scheme can be effectively researched, so that when the actual earthquake occurs, the loss caused by the earthquake can be maximally reduced, however, the existing earthquake simulator structure comprises a vibrating table, a vibrating motor and a vibrating base, the vibrating table is arranged on the vibrating base in a sliding manner, a rotating shaft of the vibrating motor is connected with the vibrating table through a crank connecting rod, so that the vibrating table is driven to vibrate through the rotation of the vibrating motor, and the existing earthquake occurrence situation is simulated, however, the earthquake simulator with the structure is arranged to ensure that the vibrating table can play a strong vibration, so that the corresponding vibrating motor is arranged to be a large motor, therefore, the problem that the whole earthquake simulator is overlarge in size is caused, and if the vibration motor is reduced, the problem that effective vibration cannot be generated to simulate the earthquake due to insufficient vibration force is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a small and can be fine simulation vibration's earthquake analogue means.

In order to achieve the above purpose, the utility model provides a following technical scheme: an earthquake simulator comprises a vibration base, a vibration table and a driving device, wherein the driving device is arranged in the vibration base, the vibration table can be arranged on the vibration base in a sliding manner and is linked with the driving device, the vibration table is driven by the driving device to vibrate back and forth on the vibration base, a sliding frame is fixedly connected on the vibration base, two sliding rails which are parallel to each other are arranged on the sliding frame, a plurality of sliding blocks are fixedly connected on the lower side surface of the vibration table and can be arranged on the sliding rails in a sliding manner, the driving device comprises a driving motor, a driving rail and a driving gear, the driving rail is fixed on the lower side surface of the vibration table, the driving gear is sleeved on a rotating shaft of the driving motor, the driving rail is a long strip-shaped plate, a sliding hole extending along the long strip-shaped plate is arranged in the driving rail, and racks are fixedly attached to the upper, the driving gear extends into the sliding hole and is alternately meshed with the racks on the upper side and the lower side.

As a further improvement, the vibration base is cylinder in turn for driving motor's below fixedly connected with, the cylinder body of cylinder in turn is fixed on the vibration base, driving motor's fuselage is fixed on the catch bar of cylinder in turn to make driving motor take drive gear oscilaltion through the action of cylinder in turn, make the rack of drive gear and slide hole interior upper and lower both sides mesh in turn.

As a further improvement, fixedly connected with timer on the cylinder body of cylinder in turn, timer and cylinder communication connection in turn to the flexible time of cylinder in turn is controlled.

As a further improvement of the present invention, the driving gear is a half-gear structure, and the gear teeth of the driving gear are alternately engaged with the rack in the process of rotation of the driving motor.

As a further improvement, drive gear is equipped with a plurality ofly, and the number of teeth between mutual drive gear is all inequality, and the maximum is half gear structure, key connection has the rotation axis in drive motor's the pivot, and a plurality of drive gear are all coaxial cup joints on the rotation axis to interval setting each other, the setting that the rotation axis can slide is on vibration base to in taking drive gear to stretch into the slide opening, with the rack meshing in turn of upper and lower both sides.

As a further improvement, be equipped with thrust unit on the vibration base for the position of rotation axis dorsad driving motor one end, thrust unit and rotation axis linkage to promote the rotation axis and make a round trip to slide on vibration base, thrust unit includes the catch bar, the one end of catch bar is the cavity setting, and this pot head is established on the rotation axis and is passed through the bearing with the rotation axis and be connected, a plurality of external screw thread has been seted up to the lateral wall of catch bar, vibration base is connected with the promotion piece for the rotation axis one end is rotatable dorsad, it has seted up the screw hole to promote the piece, the catch bar is worn to establish in the screw hole to with screw hole threaded connection.

As a further improvement, the promotion piece is discoid, and its circumference is equipped with the tooth, the vibration base is equipped with push motor on being close to the position that promotes the piece, the coaxial gear that has cup jointed in push motor's the pivot, the gear meshes with the tooth that promotes a circumference mutually.

The beneficial effects of the utility model, through vibration base, shaking table and drive arrangement's setting, alright effectual earthquake analogue means that constitutes, and through setting drive arrangement to the slide rail, slider and driving motor, drive track and drive gear's combination, alright effectual pivot rotation through driving motor drives drive gear rotatory and then takes the shaking table to make a round trip to slide on vibration base, realize earthquake simulation, and foretell drive arrangement integrates in the below of shaking table, so compare the mode that adopts the crank connecting rod among the prior art, can effectual reduction earthquake analogue means to occupation of exterior space.

Drawings

Fig. 1 is an overall structure diagram of the earthquake simulator of the present invention;

FIG. 2 is a view showing the entire construction of the apparatus in the case of using the driving apparatus of example 1;

FIG. 3 is a view showing the entire construction of the apparatus in the case of using the driving apparatus of example 2;

fig. 4 is an overall structural view of the driving motor and the mating part in fig. 3.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings.

Referring to fig. 1 to 4, the earthquake simulation apparatus of the present embodiment includes a vibration base 1, a vibration table 2 and a driving device 3, the driving device 3 is disposed in the vibration base 1, the vibration table 2 is slidably disposed on the vibration base 1, and is linked with the driving device 3, and is driven by the driving device 3 to vibrate back and forth on the vibration base 1, and the earthquake simulation apparatus is characterized in that: fixedly connected with carriage 11 on vibration base 1, be equipped with two slide rails 12 that are parallel to each other on this carriage 11, a plurality of slider 21 of fixed connection on the downside of shaking table 2, slider 21 can the gliding setting on slide rail 12, drive arrangement 3 includes driving motor 31, drive track 32 and drive gear 33, drive track 32 is fixed on the downside of shaking table 2, drive gear 33 cover is established in driving motor 31's pivot, drive track 32 is rectangular shape board, sets up the slide opening 321 that extends along rectangular shape board in it, the upper and lower both sides of slide opening 321 are all laminated and are fixed with the rack, drive gear 33 stretches into in the slide opening 321, with the rack of upper and lower both sides mesh in turn, in the course of using the analogue means of this embodiment, at first with vibration base 1 take shaking table 2 and drive arrangement 3 to place outside subaerial, then the power of the driving motor 31 is switched on, then the driving motor 31 is started, the rotating shaft of the driving motor 31 rotates, the driving gear 33 is driven to rotate, the driving gear 33 is enabled to be meshed with the racks on the upper side and the lower side in the sliding hole 321 alternately, in the meshing process of the driving gear 33, the driving gear 33 is firstly meshed with the rack on the upper side, the rack is driven to translate to the right side, the vibration table 2 also translates to the right side, then the driving gear 33 is meshed with the rack on the lower side, the rack is driven to translate to the left side, and therefore the effect of driving the vibration table 2 to vibrate left and right can be effectively achieved, wherein in the embodiment, the vibration force of the vibration table 2 can be enhanced by arranging a plurality of driving motors 31 and driving gears 33, in the embodiment, the two ends of the driving rail 32 are respectively fixed with the impact blocks, and the positions of the vibration, so the in-process of the horizontal translation vibration about shaking table 2 can be through the effect of striking spring, realize the quick reverse movement of shaking table 2, let shaking table 2 can be better vibrate, compare the mode that adopts the crank connecting rod among the prior art moreover, driving motor 31 volume need not be established great to can effectual holding with the below of shaking table 2, so great reduction earthquake analogue means's shared space.

As a specific embodiment of improvement of the driving device 3, the vibration base 1 is fixedly connected with an alternating cylinder 13 below the driving motor 31, a cylinder body of the alternating cylinder 13 is fixed on the vibration base 1, a body of the driving motor 31 is fixed on a push rod of the alternating cylinder 13, so that the driving motor 31 drives the driving gear 33 to move up and down through the action of the alternating cylinder 13, the driving gear 33 is enabled to be alternately meshed with racks on the upper side and the lower side in the sliding hole 321, the driving motor 31 can be effectively and effectively driven to slide up and down through the action of the alternating cylinder 13, and further the driving gear 33 is enabled to be alternately meshed with the racks on the upper side and the lower side in the sliding hole 321.

As a specific embodiment of the above improvement, a timer 311 is fixedly connected to the cylinder body of the alternating cylinder 13, the timer 311 is in communication connection with the alternating cylinder 13 to control the extending and retracting time of the alternating cylinder 13, the extending and retracting time of the alternating cylinder 13 can be changed through the setting of the timer 311, and further the time of the alternating engagement between the driving gear 33 and the rack can be changed, so that the time of the driving gear 33 driving the vibration table 2 to rotate can be adjusted, and thus the amplitude of the vibration table 2 can be effectively adjusted, and the structure is simple and easy to implement.

As another embodiment of the improvement of the driving device 3, the driving gear 33 is a half-gear structure, the gear teeth of the driving gear 33 are alternately engaged with the rack in the rotation process of the driving motor 31, and the half-teeth of the driving gear 33 are arranged, so that half of the teeth are engaged with the rack in the rotation process of the driving gear 33, and the other half of the teeth-free side is suspended, so that the toothed side drives the rack and further drives the driving rail 32 to slide, and after the rotation for half a circle, the toothed side is engaged with the rack on the other side, so that an effect of alternately engaging with the racks on the upper side and the lower side in the sliding hole 321 is realized, and the alternating process is directly alternated in the rotation process, so that compared with the above-mentioned mode of adopting the alternating cylinder 13, the alternating process is faster, and at the same time, the diameter of the driving gear 33 cannot be set very large, therefore, the embodiment is suitable for earthquake simulation occasions requiring high simulation vibration frequency and low amplitude requirement.

As a modified specific embodiment, the plurality of driving gears 33 are provided, the number of teeth between the driving gears 33 is different, the maximum number is a half-gear structure, the rotating shaft 312 is keyed on the rotating shaft of the driving motor 31, the plurality of driving gears 33 are coaxially sleeved on the rotating shaft 312 and are arranged at intervals, the rotating shaft 312 is slidably arranged on the vibration base 1 to drive the driving gears 33 to extend into the sliding holes 321 to be alternately meshed with the racks on the upper and lower sides, and the time for alternately meshing the driving gears 33 with the racks in the rotating process of the driving motor 31 can be changed by adopting the plurality of driving gears 33, so that the vibration amplitude of the vibration table 2 can be effectively adjusted.

As an improved specific embodiment, a pushing device 14 is disposed at a position of the vibration base 1 opposite to one end of the rotating shaft 312 facing away from the driving motor 31, the pushing device 14 is linked with the rotating shaft 312 to push the rotating shaft 312 to slide back and forth on the vibration base 1, the pushing device 14 includes a pushing rod 141, one end of the pushing rod 141 is hollow, the end is sleeved on the rotating shaft 312 and connected with the rotating shaft 312 through a bearing, the outer side wall of the pushing rod 141 is provided with a plurality of external threads, one end of the vibration base 1 opposite to the rotating shaft 312 is rotatably connected with a pushing block 142, the pushing block 142 is provided with a threaded hole, the pushing rod 141 is inserted in the threaded hole and connected with the threaded hole in a threaded manner, and the pushing rod 141 and the pushing block 142 in the pushing device 14 can effectively rotate through the pushing block 142, then the pushing rod 141 slides to drive the plurality of driving gears 33 to slide, so that different driving gears 33 are meshed with the rack, and the effect of changing the vibration amplitude of the vibration table 2 is effectively realized.

As an improved specific embodiment, the pushing block 142 is disc-shaped, teeth are arranged on the circumference of the pushing block, the pushing motor 15 is arranged on the position, close to the pushing block 142, of the vibration base 1, a gear is coaxially sleeved on a rotating shaft of the pushing motor 15, the gear is meshed with the teeth on the circumference of the pushing block 142, the pushing block 142 can be driven to rotate through the rotating action of the rotating shaft of the pushing motor 15 through the structure, so that a wireless motor controller is fixed on the body of the pushing motor 15, the pushing motor 15 is controlled to rotate through the motor controller, the vibration amplitude of the vibration table 2 is adjusted through an external remote control mode, and the adjustment of the vibration amplitude is facilitated.

In summary, the seismic simulation device of the embodiment can effectively drive the vibration table 2 to vibrate without occupying too much space through the arrangement of the driving motor 31, the driving track 32 and the driving gear 33.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a seismic simulation device, includes vibration base (1), shaking table (2) and drive arrangement (3), drive arrangement (3) set up in vibration base (1), shaking table (2) can slide and set up on vibration base (1) to with drive arrangement (3) linkage, receive drive arrangement (3) drive and make a round trip to vibrate its characterized in that on vibration base (1): a sliding frame (11) is fixedly connected on the vibration base (1), two parallel sliding rails (12) are arranged on the sliding frame (11), a plurality of sliding blocks (21) are fixedly connected on the lower side surface of the vibration table (2), the sliding blocks (21) are arranged on the sliding rail (12) in a sliding manner, the driving device (3) comprises a driving motor (31), a driving track (32) and a driving gear (33), the driving track (32) is fixed on the lower side surface of the vibration table (2), the driving gear (33) is sleeved on the rotating shaft of the driving motor (31), the driving track (32) is a strip-shaped plate, a sliding hole (321) extending along the strip-shaped plate is arranged in the sliding plate, racks are respectively fixedly attached to the upper side and the lower side of the sliding hole (321), the driving gear (33) extends into the sliding hole (321) and is alternately meshed with the racks on the upper side and the lower side.

2. The seismic modeling apparatus of claim 1, wherein: the vibration base (1) is fixedly connected with an alternate cylinder (13) relative to the lower portion of a driving motor (31), a cylinder body of the alternate cylinder (13) is fixed on the vibration base (1), a machine body of the driving motor (31) is fixed on a push rod of the alternate cylinder (13), so that the driving motor (31) drives a driving gear (33) to lift up and down through the action of the alternate cylinder (13), and the driving gear (33) is meshed with racks on the upper side and the lower side in a sliding hole (321) alternately.

3. The seismic modeling apparatus of claim 2, wherein: the alternating cylinder (13) is fixedly connected with a timer (311), and the timer (311) is in communication connection with the alternating cylinder (13) to control the expansion and contraction time of the alternating cylinder (13).

4. The seismic modeling apparatus of claim 1, wherein: the driving gear (33) is of a half-gear structure, and in the rotating process of the driving motor (31), gear teeth of the driving gear (33) are alternately meshed with the rack.

5. The seismic modeling apparatus of claim 4, wherein: the driving gears (33) are arranged in a plurality of manners, the number of teeth between the driving gears (33) is different, the maximum number of teeth is a half-gear structure, a rotating shaft (312) is connected to a rotating shaft of the driving motor (31) in a key mode, the driving gears (33) are coaxially sleeved on the rotating shaft (312) in a sleeved mode and are arranged at intervals, and the rotating shaft (312) can be arranged on the vibration base (1) in a sliding mode to drive the driving gears (33) to extend into the sliding holes (321) and are meshed with the racks on the upper side and the lower side in an alternating mode.

6. The seismic modeling apparatus of claim 5, wherein: the vibration base (1) is equipped with thrust unit (14) on the position of rotation axis (312) dorsad driving motor (31) one end, thrust unit (14) and rotation axis (312) linkage to promote rotation axis (312) and make a round trip to slide on vibration base (1), thrust unit (14) include catch bar (141), the one end of catch bar (141) is cavity setting, and this pot head is established on rotation axis (312) and is connected through the bearing with rotation axis (312), a plurality of external screw thread has been seted up to the lateral wall of catch bar (141), vibration base (1) is rotatable to be connected with catch block (142) for catch bar (141) dorsad rotation axis (312) one end, set up the screw hole in catch block (142), catch bar (141) are worn to establish in the screw hole to with screw hole threaded connection.

7. The seismic modeling apparatus of claim 6, wherein: promote piece (142) and be discoid, its circumference is equipped with the tooth, be equipped with on vibration base (1) the position that is close to promote piece (142) and promote motor (15), coaxial the cup jointing has the gear in the pivot of promotion motor (15), the gear meshes with the tooth that promotes piece (142) circumference mutually.