CN215065775U - Electromagnetic driving device of dynamic triaxial apparatus - Google Patents

Abstract

The utility model relates to a move triaxial apparatus technical field, concretely relates to move triaxial apparatus electromagnetic drive device, including moving the triaxial apparatus body, the both ends that move the triaxial apparatus body all cup joint and are fixed with protection supporting mechanism, protection supporting mechanism includes the protection casing, the outside fixedly connected with supporting seat one of protection casing, the inside of supporting seat one is rotated and is connected with the transmission shaft, the top surface fixedly connected with connecting block of transmission shaft, wherein, one the top surface that the connecting block deviates from transmission shaft one end is rotated and is connected with the threaded rod. The utility model discloses in, make the sliding plate remove to the direction of connecting rod through stirring the stirring piece to make the sliding plate of locating piece one and two the inside of locating piece shift out, the rebound again dials the piece and makes roof and H shaped plate separate from spacing fixed establishment, and the rebound connecting rod again can dismantle the drive arrangement body with the connecting rod along the breach on the bottom plate get off, has improved the efficiency that the installation work was dismantled to the drive arrangement body.

Description

Electromagnetic driving device of dynamic triaxial apparatus

Technical Field

The utility model relates to a move triaxial apparatus technical field, concretely relates to move triaxial apparatus electromagnetic drive device.

Background

The dynamic triaxial apparatus is an apparatus specially used for dynamic triaxial experiment, the dynamic triaxial apparatus test belongs to soil dynamic test content, it is a method commonly used when the dynamic characteristics of soil are carried out indoors, the soil dynamic characteristics mainly refer to the deformation characteristics and strength characteristics of soil, the deformation characteristics are dynamic stress and strain relationship, the strength problem includes the vibration liquefaction strength of liquefiable soil besides the general strength of soil, the present partial electromagnetic driving device of the dynamic triaxial apparatus is inconvenient to disassemble and assemble, especially in the process of maintenance and repair, the mechanical structure used for supporting the driving device obstructs the cleaning and maintenance work of the dynamic triaxial apparatus, thereby reducing the working efficiency, and the partial dynamic triaxial apparatus adopts an external motor to drive a threaded rod to rotate to realize the height adjustment of the driving device, the operation process is complex, the cost is high, besides, most of the case outer side of the dynamic triaxial apparatus does not have a safety protection mechanism, the movable triaxial apparatus is easy to collide with external objects in the process of moving the movable triaxial apparatus, and the movable triaxial apparatus is not beneficial to protection.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems, the utility model aims to provide an electromagnetic driving device of a dynamic triaxial apparatus, which comprises two shifting blocks which are simultaneously shifted towards a connecting rod, so that the shifting blocks drive a sliding plate at a corresponding position to move towards the connecting rod, thereby moving out the sliding plate inside a first positioning block and a second positioning block, then moving the shifting blocks upwards to separate a top plate and an H-shaped plate from a limit fixing mechanism, at the moment, the connecting rod is firstly moved upwards, then the driving device body can be disassembled along a notch on the first circular groove by the connecting rod, thereby being beneficial to improving the efficiency of the disassembling and installing work of the driving device body, the gear two driving threaded rods rotate by rotating a crank, so that the positioning block which is connected with the threaded rod in a screwing way drives the limit fixing mechanism to move up and down, being convenient for flexibly adjusting the height of the driving device body, and improving the efficiency of the height adjustment of the driving device body, open threaded rod and slide bar through rotating to the both sides of moving the triaxial apparatus body, make and move the triaxial apparatus body and naked fall out completely, be convenient for clean maintenance and move the triaxial apparatus body, the outside through moving triaxial apparatus body both ends all cup joints and is fixed with the protection casing, and the buffer spring of protection casing inside wall and the outside fixed connection who moves the triaxial apparatus body, it bumps with external object emergence to prevent to remove the in-process of moving the triaxial apparatus body, be favorable to protecting and move the triaxial apparatus body, the spacing ball that passes through two the inside of locating piece pastes with spacing groove extrusion on the slide bar and pastes, make the lateral wall at the slide bar of cup jointing more stable of locating piece two.

The purpose of the utility model can be realized by the following technical scheme:

a movable triaxial apparatus electromagnetic driving device comprises a movable triaxial apparatus body, wherein both ends of the movable triaxial apparatus body are fixedly sleeved with protection supporting mechanisms, each protection supporting mechanism comprises a protection cover, a first supporting seat is fixedly connected to the outer side of the protection cover, a transmission shaft is rotatably connected to the inner part of the first supporting seat, a connecting block is fixedly connected to the top surface of the transmission shaft, a second supporting seat is fixedly connected to the top surface of one protection cover, a first gear is rotatably connected to the top end of the second supporting seat through a rotating shaft, a threaded rod is rotatably connected to the top surface of one connecting block, which is far away from one end of the transmission shaft, a sliding rod is fixedly connected to the top surface of the other connecting block, which is far away from one end of the transmission shaft, a second gear is fixedly sleeved to the bottom of the threaded rod, the second gear is meshed with the first gear for transmission, and the top of the threaded rod is rotatably connected with a first positioning block, the top of slide bar closes soon and is connected with locating piece two, be provided with spacing fixed establishment between locating piece one and the locating piece two, spacing fixed establishment's middle part is provided with the connecting rod, the bottom surface fixedly connected with drive arrangement body of connecting rod both plays the effect of supporting threaded rod and slide bar through protection supporting mechanism, also plays the effect of protection dynamic triaxial apparatus body, through the firm fixed of drive arrangement body on spacing fixed establishment with the connecting rod, and convenient to detach installs.

Further, the method comprises the following steps: the protection casing includes two baffles, two the top surface fixedly connected with panel one of baffle, two the bottom surface fixedly connected with panel two of baffle, the equal fixedly connected with buffer spring of inside wall of baffle, panel one and panel two, buffer spring deviates from the one end of protection casing and moves the outside fixed connection that triaxial appearance body corresponds the position, all cup joints through the outside at moving triaxial appearance body both ends and is fixed with the protection casing, and the buffer spring of protection casing inside wall and the outside fixed connection who moves the triaxial appearance body, prevents to remove the in-process that moves the triaxial appearance body and takes place to collide with external object, is favorable to protecting the triaxial appearance body.

Further, the method comprises the following steps: the limiting and fixing mechanism comprises a bottom plate, two ends of the bottom plate are respectively positioned in the first positioning block and the second positioning block, the top surface of the bottom plate is movably clamped with an H-shaped plate, both ends of the H-shaped plate are connected with sliding plates in a sliding way, two symmetrically distributed boosting springs are fixedly connected between the sliding plate and the H-shaped plate, the top surface of the H-shaped plate is fixedly connected with a top plate, by shifting the two shifting blocks, the shifting blocks drive the sliding plates at the corresponding positions to move towards the direction of the connecting rod, thereby make the sliding plate of locating piece one and the inside of locating piece two shift out, upwards remove the stirring piece again and make roof and H shaped plate separate from spacing fixed establishment, upwards remove the connecting rod earlier this moment, can dismantle the drive arrangement body with the connecting rod along the breach on the circular slot one again to be favorable to improving the efficiency that the installation was dismantled to the drive arrangement body.

Further, the method comprises the following steps: the top surface of the bottom plate is provided with a first circular groove and a rectangular hole, one side of the first circular groove is provided with a notch, the bottom surface of the H-shaped plate is provided with a second circular groove, and the first circular groove and the second circular groove are matched to use to facilitate limiting of a limiting ring on the fixed connecting rod.

Further, the method comprises the following steps: the bottom surface fixedly connected with rectangle lug of H shaped plate, the lateral wall of rectangle lug is pegged graft with the inside wall activity of rectangular hole to make accurate the placing on the bottom plate of H shaped plate, be difficult for shifting the position.

Further, the method comprises the following steps: the top surface of the sliding plate is fixedly connected with a poking block, rectangular sliding grooves are formed in two ends of the top surface of the top plate, the top end of the poking block penetrates through the rectangular sliding grooves, the outer side wall of the poking block is in sliding connection with the inner side wall of the rectangular sliding groove in the corresponding position, and the position of the sliding plate can be adjusted conveniently through movement of the poking block.

Further, the method comprises the following steps: the middle part fixedly connected with spacing ring of connecting rod, just the top surface and the circular recess of spacing ring are leaned on, the bottom surface circular recess of spacing ring is leaned on to make the inseparable fixing in spacing fixed establishment the inside of connecting rod.

Further, the method comprises the following steps: one of the connecting blocks is movably inserted into the corresponding position of the protective cover, a pin shaft is movably inserted into the corresponding position of the protective cover, one end of the rotating shaft, which deviates from the first gear, is fixedly connected with a crank, and the pin shaft is convenient for fixing the position of the threaded rod.

Further, the method comprises the following steps: the outer side wall of the sliding rod is provided with a first limiting groove, a second limiting groove is formed in the position, close to the first limiting groove, of the inner portion of the second positioning block, an extrusion spring is fixedly connected to the inner side wall of the first limiting groove, the extrusion spring deviates from a second limiting ball, the outer side wall of the first limiting ball is attached to the inner side wall of the first limiting groove, the first limiting ball in the second positioning block is extruded to be attached to the first limiting groove in the sliding rod, and the second positioning block is more stably sleeved on the outer side wall of the sliding rod.

The utility model has the advantages that:

1. the two shifting blocks are simultaneously shifted towards the direction of the connecting rod, so that the shifting blocks drive the sliding plates at the corresponding positions to move towards the direction of the connecting rod, the sliding plates in the first positioning block and the second positioning block are moved out, then the shifting blocks are moved upwards to separate the top plate and the H-shaped plate from the limiting and fixing mechanism, at the moment, the connecting rod is moved upwards, and then the driving device body can be detached along the notch on the first circular groove by the connecting rod, so that the efficiency of detaching and installing the driving device body is improved;

2. the gear II is driven to rotate by rotating the crank handle, the positioning block which is in screwed connection with the threaded rod drives the limiting fixing mechanism to move up and down, so that the height of the driving device body is conveniently and flexibly adjusted, the height adjusting efficiency of the driving device body is improved, the threaded rod and the sliding rod are rotated and unfolded to the two sides of the dynamic triaxial apparatus body, the dynamic triaxial apparatus body is completely and naked, and the dynamic triaxial apparatus body is conveniently cleaned and maintained;

3. all cup joint through the outside at moving triaxial apparatus body both ends and be fixed with the protection casing, and the buffer spring of protection casing inside wall and the outside fixed connection who moves the triaxial apparatus body, it takes place to collide with external object to prevent to remove the in-process that moves the triaxial apparatus body, is favorable to protecting the moving triaxial apparatus body, and the spacing ball that passes through two insides of locating piece pastes with a spacing groove extrusion on the slide bar and leans on, makes the more stable lateral wall at the slide bar that cup joints of locating piece two.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the rotary expansion structure of the middle threaded rod and the sliding rod of the present invention;

FIG. 3 is a schematic structural view of a middle protective supporting mechanism of the present invention;

FIG. 4 is a schematic structural view of a middle slide rod and a positioning block II of the present invention;

FIG. 5 is a schematic structural view of the connecting rod and the driving device body of the present invention;

FIG. 6 is a schematic structural view of the middle position-limiting fixing mechanism of the present invention;

fig. 7 is an exploded view of the middle limit fixing mechanism of the present invention;

fig. 8 is a schematic view of the bottom structure of the H-shaped plate of the present invention.

In the figure: 100. a dynamic triaxial apparatus body; 200. a protective support mechanism; 210. a protective cover; 211. a buffer spring; 220. a first supporting seat; 230. a drive shaft; 240. connecting blocks; 241. a pin shaft; 300. a second supporting seat; 310. a first gear; 320. a crank; 400. a threaded rod; 410. a second gear; 420. a first positioning block; 500. a slide bar; 510. a second positioning block; 511. a compression spring; 5111. a limiting ball; 600. a limiting and fixing mechanism; 610. a base plate; 611. a first circular groove; 612. a rectangular hole; 620. an H-shaped plate; 621. a second circular groove; 622. a rectangular bump; 630. a sliding plate; 631. a shifting block; 640. a boost spring; 650. a top plate; 700. a connecting rod; 710. a limiting ring; 800. a driving device body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, an electromagnetic driving device for a dynamic triaxial apparatus includes a dynamic triaxial apparatus body 100, two ends of the dynamic triaxial apparatus body 100 are fixedly sleeved with a protection supporting mechanism 200, the protection supporting mechanism 200 includes a protection cover 210, an outer side of the protection cover 210 is fixedly connected with a first supporting seat 220, an inner portion of the first supporting seat 220 is rotatably connected with a transmission shaft 230, a top surface of the transmission shaft 230 is fixedly connected with a second supporting seat 300, a top end of the second supporting seat 300 is rotatably connected with a first gear 310 through a rotating shaft, a top surface of one connecting block 240 opposite to one end of the transmission shaft 230 is rotatably connected with a threaded rod 400, a top surface of the other connecting block 240 opposite to one end of the transmission shaft 230 is fixedly connected with a sliding rod 500, a second gear 410 is fixedly sleeved at a bottom of the threaded rod 400, the second gear 410 is in meshing transmission with the first gear 310, the top of threaded rod 400 closes soon and is connected with locating piece one 420, the top of slide bar 500 closes soon and is connected with locating piece two 510, be provided with spacing fixed establishment 600 between locating piece one 420 and the locating piece two 510, the middle part of spacing fixed establishment 600 is provided with connecting rod 700, the bottom surface fixedly connected with drive arrangement body 800 of connecting rod 700, both play the effect of supporting threaded rod 400 and slide bar 500 through protection supporting mechanism 200, also play the effect of protection dynamic triaxial apparatus body 100, through the firm fixed of drive arrangement body 800 on spacing fixed establishment 600 with connecting rod 700, and convenient to detach installs.

Protection casing 210 includes two baffles, the top surface fixedly connected with panel one of two baffles, the bottom surface fixedly connected with panel two of two baffles, the baffle, the equal fixedly connected with buffer spring 211 of inside wall of panel one and panel two, buffer spring 211 deviates from the one end of protection casing 210 and moves the outside fixed connection that triaxial apparatus body 100 corresponds the position, all cup joint through the outside at moving triaxial apparatus body 100 both ends and be fixed with protection casing 210, and the buffer spring 211 of protection casing 210 inside wall and the outside fixed connection who moves triaxial apparatus body 100, it takes place to collide with external object to prevent to remove its in-process that moves triaxial apparatus body 100, be favorable to protecting and move triaxial apparatus body 100.

The limiting and fixing mechanism 600 comprises a bottom plate 610, two ends of the bottom plate 610 are respectively positioned inside a first positioning block 420 and a second positioning block 510, an H-shaped plate 620 is movably clamped on the top surface of the bottom plate 610, two ends of the H-shaped plate 620 are both connected with a sliding plate 630 in a sliding manner, two symmetrically distributed boosting springs 640 are fixedly connected between the sliding plate 630 and the H-shaped plate 620, a top plate 650 is fixedly connected on the top surface of the H-shaped plate 620, by toggling the two toggle blocks 631, the toggle blocks 631 with the sliding plates 630 at the corresponding positions move towards the connecting rod 700, therefore, the sliding plates 630 in the first positioning block 420 and the second positioning block 510 are moved out, and then the toggle block 631 is moved upwards to separate the top plate 650 and the H-shaped plate 620 from the limiting and fixing mechanism 600, at this time, the connecting rod 700 is moved upwards, and then the driving device body 800 can be detached along the notch on the first circular groove 611 by using the connecting rod 700, so that the efficiency of the detachment and installation work of the driving device body 800 is improved.

The top surface of the bottom plate 610 is provided with a first circular groove 611 and a rectangular hole 612, one side of the first circular groove 611 is provided with a notch, the bottom surface of the H-shaped plate 620 is provided with a second circular groove 621, and the first circular groove 611 and the second circular groove 621 are matched for use so as to limit the limiting ring 710 on the fixed connecting rod 700; the bottom surface of the H-shaped plate 620 is fixedly connected with a rectangular bump 622, and the outer side wall of the rectangular bump 622 is movably inserted with the inner side wall of the rectangular hole 612, so that the H-shaped plate 620 is accurately placed on the bottom plate 610 and is not easy to change positions; the top surface fixedly connected with of sliding plate 630 dials piece 631, and the rectangle spout has all been seted up at the both ends of the top surface of roof 650, dials the top of piece 631 and runs through the rectangle spout and dials the lateral wall of piece 631 and the inside wall sliding connection who corresponds position rectangle spout, is convenient for adjust the position of sliding plate 630 through the removal of dialling piece 631.

The middle part of the connecting rod 700 is fixedly connected with a limit ring 710, the top surface of the limit ring 710 is attached to the second circular groove 621, and the bottom surface of the limit ring 710 is attached to the first circular groove 611, so that the connecting rod 700 is tightly fixed in the limit fixing mechanism 600; a pin shaft 241 is movably inserted between one connecting block 240 and the corresponding position protection cover 210, a crank 320 is fixedly connected to one end of the rotating shaft, which is far away from the gear I310, and the pin shaft 241 is convenient for fixing the position of the threaded rod 400; the first limiting groove has been seted up to the lateral wall of slide bar 500, the inside position department that is close to the first limiting groove of second locating piece 510 has seted up second limiting groove, the inside fixedly connected with extrusion spring 511 of second limiting groove, the one end fixedly connected with spacing ball 5111 that extrusion spring 511 deviates from second locating piece 510, the lateral wall of spacing ball 5111 pastes with the inside wall of first limiting groove, spacing ball 5111 through the second locating piece 510 the inside pastes with the extrusion of the first limiting groove on the slide bar 500 and pastes, what make second locating piece 510 more stable cup joints the lateral wall at slide bar 500.

The working principle is as follows: when the driving device body 800 needs to be detached, the two shifting blocks 631 are simultaneously shifted in the direction of the connecting rod 700, so that the shifting blocks 631 bring the sliding plates 630 at corresponding positions to move in the direction of the connecting rod 700, so that the sliding plates 630 in the first positioning block 420 and the second positioning block 510 are moved out, the shifting blocks 631 are moved upwards to separate the top plate 650 and the H-shaped plate 620 from the limiting and fixing mechanism 600, at this time, the connecting rod 700 is moved upwards, the driving device body 800 can be detached by moving the connecting rod 700 along the notch on the first circular groove 611, when the driving device body 800 needs to be installed, the bottom plate 610 is placed between the first positioning block 420 and the second positioning block 510, then the connecting rod 700 with the driving device body 800 installed is placed at the first circular groove 611 position from the notch of the bottom plate 610, and the top plate 650 and the H-shaped plate 620 are movably inserted into the first positioning block 420 and the second positioning block 510 by shifting the shifting blocks 631, completing the installation;

in the process of using the dynamic triaxial apparatus body 100, the crank 320 can be rotated to enable the second gear 410 to drive the threaded rod 400 to rotate, the first positioning block 420 which is connected with the threaded rod 400 in a screwing mode drives the limiting fixing mechanism 600 to move up and down, the height of the driving device body 800 is convenient to flexibly adjust, when the dynamic triaxial apparatus body 100 needs to be cleaned after the driving device body 800 is disassembled, the threaded rod 400 and the sliding rod 500 are rotated and unfolded towards two sides of the dynamic triaxial apparatus body 100, the dynamic triaxial apparatus body 100 is completely exposed, the dynamic triaxial apparatus body 100 is convenient to clean and maintain, the outer sides of two ends of the dynamic triaxial apparatus body 100 are fixedly sleeved with the protective covers 210, the buffer springs 211 on the inner side walls of the protective covers 210 are fixedly connected with the outer sides of the dynamic triaxial apparatus body 100, the dynamic triaxial apparatus body 100 is prevented from colliding with external objects in the process of moving the dynamic triaxial apparatus body 100, and the dynamic triaxial apparatus body 100 is protected.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims (9)

1. The electromagnetic driving device of the dynamic triaxial apparatus comprises a dynamic triaxial apparatus body (100) and is characterized in that two ends of the dynamic triaxial apparatus body (100) are fixedly sleeved with a protection supporting mechanism (200), the protection supporting mechanism (200) comprises a protection cover (210), a first supporting seat (220) is fixedly connected to the outer side of the protection cover (210), a transmission shaft (230) is rotatably connected to the inner part of the first supporting seat (220), a connecting block (240) is fixedly connected to the top surface of the transmission shaft (230), a second supporting seat (300) is fixedly connected to the top surface of the protection cover (210), a first gear (310) is rotatably connected to the top end of the second supporting seat (300) through a rotating shaft, one connecting block (240) is rotatably connected with a threaded rod (400) in a manner of deviating from the top surface of one end of the transmission shaft (230), and the other connecting block (240) is fixedly connected with a sliding rod (500) in a manner of deviating from the top surface of one end of the transmission shaft (230), the bottom of threaded rod (400) is cup jointed and is fixed with gear two (410), gear two (410) and gear one (310) meshing transmission, the top of threaded rod (400) closes soon and is connected with locating piece one (420), the top of slide bar (500) closes soon and is connected with locating piece two (510), be provided with spacing fixed establishment (600) between locating piece one (420) and locating piece two (510), the middle part of spacing fixed establishment (600) is provided with connecting rod (700), the bottom surface fixedly connected with drive arrangement body (800) of connecting rod (700).

2. The electromagnetic driving device of the dynamic triaxial apparatus according to claim 1, wherein the protective cover (210) comprises two baffle plates, a first panel is fixedly connected to top surfaces of the two baffle plates, a second panel is fixedly connected to bottom surfaces of the two baffle plates, buffer springs (211) are fixedly connected to inner side walls of the baffle plates, the first panels and the second panels, and one ends of the buffer springs (211) departing from the protective cover (210) are fixedly connected to outer sides of corresponding positions of the dynamic triaxial apparatus body (100).

3. The electromagnetic driving device of the dynamic triaxial apparatus according to claim 1, wherein the limiting fixing mechanism (600) comprises a bottom plate (610), two ends of the bottom plate (610) are respectively located inside a first locating block (420) and a second locating block (510), an H-shaped plate (620) is movably clamped on the top surface of the bottom plate (610), two ends of the H-shaped plate (620) are both slidably connected with a sliding plate (630), two symmetrically distributed boosting springs (640) are fixedly connected between the sliding plate (630) and the H-shaped plate (620), and a top plate (650) is fixedly connected on the top surface of the H-shaped plate (620).

4. The electromagnetic driving device of the dynamic triaxial apparatus of claim 3, wherein the top surface of the base plate (610) is provided with a first circular groove (611) and a rectangular hole (612), one side of the first circular groove (611) is provided with a notch, and the bottom surface of the H-shaped plate (620) is provided with a second circular groove (621).

5. The electromagnetic driving device of the dynamic triaxial apparatus of claim 4, wherein a rectangular protrusion (622) is fixedly connected to the bottom surface of the H-shaped plate (620), and the outer side wall of the rectangular protrusion (622) is movably inserted into the inner side wall of the rectangular hole (612).

6. The electromagnetic driving device of the dynamic triaxial apparatus according to claim 3, wherein a dial block (631) is fixedly connected to the top surface of the sliding plate (630), rectangular sliding grooves are formed in both ends of the top surface of the top plate (650), the top end of the dial block (631) penetrates through the rectangular sliding grooves, and the outer side wall of the dial block is slidably connected with the inner side wall of the rectangular sliding groove at the corresponding position.

7. The electromagnetic driving device for the dynamic triaxial apparatus according to claim 1, wherein a limiting ring (710) is fixedly connected to the middle of the connecting rod (700), the top surface of the limiting ring (710) abuts against the second circular groove (621), and the first circular groove (611) of the bottom surface of the limiting ring (710) abuts against.

8. The electromagnetic driving device of the dynamic triaxial apparatus of claim 1, wherein a pin (241) is movably inserted between one of the connecting blocks (240) and the shield (210) at the corresponding position, and a crank (320) is fixedly connected to one end of the rotating shaft, which is far away from the first gear (310).

9. The electromagnetic driving device of the dynamic triaxial apparatus according to claim 1, wherein a first limiting groove is formed in the outer side wall of the sliding rod (500), a second limiting groove is formed in a position, close to the first limiting groove, inside the second positioning block (510), an extrusion spring (511) is fixedly connected to the inside of the second limiting groove, a limiting ball (5111) is fixedly connected to one end, away from the second positioning block (510), of the extrusion spring (511), and the outer side wall of the limiting ball (5111) is attached to the inner side wall of the first limiting groove.

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