CN207318039U

CN207318039U - Shake table guider

Info

Publication number: CN207318039U
Application number: CN201721406719.0U
Authority: CN
Inventors: 叶腾波
Original assignee: Suzhou Branch Testing Equipment Ltd Co Projects
Current assignee: Suzhou Branch Testing Equipment Ltd Co Projects
Priority date: 2017-10-26
Filing date: 2017-10-26
Publication date: 2018-05-04
Anticipated expiration: 2027-10-26

Abstract

The utility model discloses a kind of shake table guider, while lower guide mechanism and multiple upper guiding mechanisms are contained, wherein, upper guiding mechanism not only vibrates guiding distance, but also is oriented to for rigidity, and resistance to tipping moment is big, deflection torque is big, can effectively prevent from deflecting；Lower guide mechanism does not use guiding axis and guide bearing, fundamentally solves the problems, such as, because friction produces more heat transfer between the two, to be not easy to burn.By the combination of upper guiding mechanism and lower guide mechanism, the guide effect of device not only ensure that, but also ensure that the service life of device entirety.

Description

Shake table guider

Technical field

It the utility model is related to the technical field of vibratory equipment, and in particular to a kind of shake table guider.

Background technology

In the fields such as electronics, aviation, automobile, in order to which detection device bears ring in assembling transport or execution action process The ability of border vibration, can utilize vibration test detection anti-seismic performance, but with Product Precision and the requirements at the higher level of quality, vibration The requirement of precision is also higher and higher.

In order to meet the precision of direction of vibration, guidance system (guider) can be generally set in vibration platform apparatus main body Ensure vibration position accuracy, such as in the inner utilization of vibration main body there is the guider of central balloon to ensure the stabilization vibrated Property, but the lower guider is to be oriented to be positioned by the rigidity between guiding axis and guide bearing, this kind of mode is adjusted Leeway is small, and prolonged frictional heating between guiding axis and guide bearing, easily burns, and ultimately results under lower guider Steering capability is deteriorated, and increases the use cost of equipment.

Furthermore as set the guider with central balloon, because the height of central balloon itself occupies certain sky Between position, not only limit Oscillation Amplitude (be oriented to distance shorter), and because the unstability of central balloon in itself on the contrary Guide effect is reduced, ultimately results in performance indicator decline.

The content of the invention

The purpose of the utility model is to overcome problem above existing in the prior art, there is provided a kind of shake table is oriented to dress Put, combined by both upper guiding mechanism and lower guide mechanism, not only vibration is oriented to distance, but also ensure that and be oriented to position Accuracy, guide effect and stability are more preferable.

To reach above-mentioned purpose, reach above-mentioned technique effect, the technical solution of the utility model is as follows：A kind of shake table is led To device, including vibration main body, the vibration main body includes magnet steel lid, magnet steel, magnet steel seat, the close magnet steel lid inside magnet steel Moving-coil and the central magnetic pole that is fixed on inside magnet steel on magnet steel seat, the magnet steel be fixed on the magnet steel lid and magnet steel seat Between, the central magnetic pole upper end is fixed with auxiliary balloon, and the auxiliary balloon upper end supports the moving-coil, the bottom of the moving-coil End surface is installation base surface, and the central magnetic pole is internally provided with lower guide mechanism, and the lower guide mechanism is fixed on installation base surface On, multiple upper guiding mechanisms are equipped between moving-coil and the magnet steel lid.

Preferably, the lower guide mechanism includes that the roll wheel assembly for being oriented to position can be adjusted and is oriented to shaft assembly, institute State the center that shaft assembly runs through the roll wheel assembly that is oriented to.

Preferably, the roll wheel assembly includes the lower guiding wheel case of multiple nonmetallic self-lubricatings and lower guiding wheel seat, institute State lower guiding wheel case to be fixed on the lower guiding wheel seat by lower guide wheel shaft, the lower both ends for being oriented to wheel case are arranged with Spacing substrate, the side of the roll wheel assembly is equipped with being capable of the adjusting jackscrew to offset vertical with the spacing substrate.

Preferably, the epoxy axle sleeve for being oriented to shaft assembly and including the lower guiding axis and wearable lightweight of lightweight, the ring Oxygen axle sleeve is solidificated in the lateral wall of the lower guiding axis, and the lower guiding axis upper end is fixed with the moving-coil screw, multiple described The lower wheel case that is oriented to is enclosed for the lower location hole for being oriented to shaft vibration and sliding.

Preferably, the lower guiding axis is aluminium alloy or magnesium alloy, the epoxy axle sleeve is stainless steel or titanium alloy.

Preferably, the upper guiding mechanism includes two racks and the gear between two racks, described in two Gear engages between the one side of rack and the contact surface of gear, and the another side of one of rack is fixed on the moving-coil On, the another side of another rack, which is fixed on, to be oriented on wheel seat, and the upper guiding wheel seat is fixed on the magnet steel lid On.

Preferably, the both ends of the rack are fixed with the postive stop baffle for limiting the gear.

Preferably, described upper guiding wheel seat one end is equipped with wedge mount, inclined wedge is supported on the wedge mount, the inclined wedge One end end face cooperates for lozenges and with the lozenges of the wedge mount, and the inclined wedge on wedge mount with being equipped with screw Hole, the screw hole aperture on the inclined wedge are less than the screw hole aperture on the wedge mount.

Preferably, the upper guiding mechanism is uniformly distributed centered on the axis of the vibration main body.

The beneficial effects of the utility model are：

(1) combined by both upper guiding mechanism and lower guide mechanism, not only vibration is oriented to distance, but also ensure that and lead To the accuracy of position, guide effect and stability are more preferable；

(2) guider is oriented to for rigidity on, and the active force using gear to center " extruding ", effectively prevent vibrated Cheng Zhong, vibration main body are tilted to side, and resistance to tipping moment is big, and anti-deflection, deflection torque is big, service life length, upper guiding position More accurate, upper guiding stability is high, facilitates installation and debugging；

(3) guider is relatively flexible guiding under, without by the axial plane friction between guiding axis and guide bearing, Preferably lower guide effect can be obtained, also because of simultaneously non-model control, quantity of heat production is less during guiding, is not easy to burn, and equipment makes With long lifespan, guiding accuracy is high, and can be easily installed debugging with flexible modulation, and equipment is highly practical；

(4) because eliminating central balloon, vibration is oriented to distance and becomes larger the lower guide mechanism of the utility model patent, and Completely eliminate because the decline of the flexible guiding deviation and vibration performance index produced of the unstability and guiding of central balloon；

(5) by the combination of upper guiding mechanism and lower guide mechanism, it not only ensure that the guide effect of device, but also ensure The service life of device entirety.

Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate attached drawing describe in detail as after. The embodiment of the present invention is shown in detail by following embodiments and its attached drawing.

Brief description of the drawings

In order to illustrate more clearly of the technical solution in the utility model embodiment technology, embodiment technology will be retouched below Attached drawing is briefly described needed in stating, it should be apparent that, drawings in the following description are only the utility model Some embodiments, for those of ordinary skill in the art, without creative efforts, can also basis These attached drawings obtain other attached drawings.

Fig. 1 is local (main view) sectional view of shake table agent structure of the utility model；

Fig. 2 is the front view of the lower guide mechanism of the preferred embodiment in the utility model；

Fig. 3 is the top view of the roll wheel assembly of the preferred embodiment in the utility model；

Fig. 4 is the side view of the roll wheel assembly of the preferred embodiment in the utility model；

Fig. 5 is part (vertical view) sectional view of the vibration main body of the preferred embodiment in the utility model；

Fig. 6 is upper guiding mechanism (main view) sectional view of the preferred embodiment in the utility model；

Fig. 7 is upper guiding mechanism (vertical view) sectional view of the preferred embodiment in the utility model；

Wherein：

1. magnet steel lid, 2. magnet steel, 3. magnet steel seats, 4. moving-coils, 5. central magnetic poles；

6. lower guide mechanism, 61. installation base surfaces, 62. times guiding wheel cases, 63. times guiding wheel seats, 64. times guide wheel shafts, 65. spacing substrate, 66. adjust jackscrew, 66a. mounting holes, 67. times guiding axis, 68. epoxy axle sleeves, 69. location holes；

7. guiding mechanism on, 71. racks, 72. gears are oriented to wheel seat on 73., 74. postive stop baffles, 75. wedge mounts, and 76. Inclined wedge.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts All other embodiments obtained, shall fall within the protection scope of the present invention.

As shown in the figure, a kind of shake table guider is disclosed in the present embodiment, including vibration main body, as shown in Figure 1, shaking Dynamic main body include magnet steel lid 1, magnet steel 2, magnet steel seat 3, positioned at the inside of magnet steel 2 close to the moving-coil 4 of magnet steel lid 1 and in magnet steel 2 Portion is fixed on the central magnetic pole 5 on magnet steel seat 3, and magnet steel 2 is fixed between magnet steel lid 1 and magnet steel seat 3, and 5 upper end of central magnetic pole is consolidated Surely there is an auxiliary balloon, auxiliary balloon upper end supports the moving-coil 4, and the bottom end face of moving-coil 4 is installation base surface 61, central magnetic pole 5 Lower guide mechanism 6 is internally provided with, lower guide mechanism 6 is fixed on installation base surface 61, is equipped between moving-coil 4 and magnet steel lid 1 multiple Upper guiding mechanism 7.

Wherein, lower guide mechanism 6 includes that the roll wheel assembly for being oriented to position can be adjusted and is oriented to shaft assembly, is oriented to shaft assembly Through the center of roll wheel assembly, which effectively increases and shakes because eliminating the central balloon that routine techniques uses Action-oriented distance, also eliminates because the flexible guiding deviation produced of unstability and guiding and vibration performance of central balloon refer to The problem of target declines, guide effect is good.

As shown in Figure 3, Figure 4, roll wheel assembly includes the lower guiding wheel case 62 of multiple nonmetallic self-lubricatings and lower guiding wheel seat 63, lower guiding wheel case 62 is fixed on lower guiding wheel seat 63 by lower guide wheel shaft 64, and the lower both ends for being oriented to wheel case 62 are symmetrically set There is spacing substrate 65, the side (the i.e. lower side for being oriented to wheel seat 63) of roll wheel assembly is equipped with and vertical with spacing substrate 65 can offset Adjusting jackscrew 66, the mounting hole that jackscrew 66 is adjusted in figure is the 66a in Fig. 3.By adjusting jackscrew 66 to spacing substrate 65 Position be adjusted, further have adjusted and the distance between wheel seat 63 be oriented under four, be easily installed debugging, equipment practicality By force, finally reach and adjust the lower purpose for being oriented to position, and the lower guider is relatively flexible guiding, is oriented to without passing through Axial plane friction between axis and guide bearing, you can preferably lower guide effect is obtained, also because of simultaneously non-model control, during guiding Quantity of heat production is less, is not easy to burn, service life of equipment length.

As shown in Fig. 2, being oriented to shaft assembly includes the lower guiding axis 67 of lightweight and the epoxy axle sleeve 68 of wearable lightweight, epoxy axis Set 68 is solidificated in the lateral wall of lower guiding axis 67, and lower 67 upper end of guiding axis is fixed with 4 screw of moving-coil, led in the present embodiment under four The location hole 69 slided for the vibration of lower guiding axis 67, the lower outer surface for being oriented to wheel case 62 and epoxy axle sleeve 68 are enclosed to wheel case 62 Outer surface be adjacent to, reach preferable positioning action, lower guiding axis 67 generally selects aluminium alloy or magnesium alloy materials, epoxy axle sleeve 68 be stainless steel or titanium alloy.

As shown in figure 5, in the present embodiment, there is provided eight upper guiding mechanisms 7, and respectively to vibrate the axis of main body in The heart is uniformly distributed, and upper guiding mechanism 7 includes two racks 71 and the gear 72 between two racks 71, two racks 71 Gear engages between one side and the contact surface of gear 72, and the another side of one of rack 71 is fixed on moving-coil 4, another The another side of a rack 71, which is fixed on, to be oriented on wheel seat 73, and upper guiding wheel seat 73 is fixed on magnet steel lid 1.As shown in fig. 7, The both ends of rack 71 are fixed with the postive stop baffle 74 for limiting gear 72, can only be set at the both ends of a rack 71 spacing Baffle 74, can also be set, it is ensured that gear 72 can stablize rolling between two postive stop baffles 74 at the both ends of two racks 71 It is dynamic, do not shift.

As shown in fig. 6,73 one end of upper guiding wheel seat is equipped with wedge mount 75, inclined wedge 76 is supported on wedge mount 75, inclined wedge 76 One end end face cooperates for lozenges and with the lozenges of wedge mount 75, and screw hole is equipped with inclined wedge 76 and wedge mount 75, Screw hole aperture on inclined wedge is less than the screw hole aperture on wedge mount, and being formd on wedge mount 75 has the function of preset position Screw hole.When fixed inclined wedge 76 is with wedge mount 75, with the increasing of screw fixation power, inclined wedge 76 will shake along lozenges Dynamic main body carries out " extruding " to the centre of oscillation, and " extruding " vibrates main body to the upper guiding mechanism 7 being circumferentially distributed at the same time, effectively anti- To stop in vibration processes, vibration main body is tilted to side, and resistance to tipping moment is big, and anti-deflection, deflection torque is big, service life length, Upper guiding position is more accurate, and examination difficulty is small to a high-profile for upper guiding stability, convenient installation or debugging.

When the utility model is used, lower guide mechanism 3 carried out on direction of vibration it is spacing, even circumferential distribution set Upper guiding mechanism 7 with carried out in direction of vibration mutually perpendicular direction it is spacing, pass through the spacing of multiple angles, ensure vibration master Body is in the stability in vibration processes direction, good positioning effect, positioning accuracy height, and the practicality of device is stronger, ensures vibration It is smoothed out, extends equipment life.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims

1. a kind of shake table guider, including vibration main body, the vibration main body includes magnet steel lid, magnet steel, magnet steel seat, is located at The moving-coil of close magnet steel lid and the central magnetic pole being fixed on inside magnet steel on magnet steel seat, the magnet steel are fixed on inside magnet steel Between the magnet steel lid and magnet steel seat, the central magnetic pole upper end is fixed with auxiliary balloon, and the auxiliary balloon upper end supports institute State moving-coil, it is characterised in that：The bottom end face of the moving-coil is installation base surface, and the central magnetic pole is internally provided with lower Guiding machine Structure, the lower guide mechanism are fixed on installation base surface, and multiple upper guiding mechanisms are equipped between moving-coil and the magnet steel lid.

2. shake table guider according to claim 1, it is characterised in that：The lower guide mechanism includes adjusting It is oriented to the roll wheel assembly of position and is oriented to shaft assembly, the center for being oriented to shaft assembly and running through the roll wheel assembly.

3. shake table guider according to claim 2, it is characterised in that：The roll wheel assembly includes multiple nonmetallic The lower guiding wheel case of self-lubricating and lower guiding wheel seat, the lower guiding wheel case are fixed on the lower directive wheel by lower guide wheel shaft On seat, the lower both ends for being oriented to wheel case are arranged with spacing substrate, and the side of the roll wheel assembly is equipped with can be with the limit The adjusting jackscrew that position substrate vertically offsets.

4. shake table guider according to claim 3, it is characterised in that：The guiding shaft assembly is included under lightweight The epoxy axle sleeve of guiding axis and wearable lightweight, the epoxy axle sleeve are solidificated in the lateral wall of the lower guiding axis, the lower guiding Axis upper end is fixed with the moving-coil screw, and multiple lower wheel cases that are oriented to are enclosed for the lower positioning for being oriented to shaft vibration and sliding Hole.

5. shake table guider according to claim 4, it is characterised in that：The lower guiding axis closes for aluminium alloy or magnesium Gold, the epoxy axle sleeve are stainless steel or titanium alloy.

6. shake table guider according to claim 1, it is characterised in that：The upper guiding mechanism includes two racks And the gear between two racks, gear engages between the one side of two racks and the contact surface of gear, wherein The another side of one rack is fixed on the moving-coil, and the another side of another rack is fixed on guiding wheel seat On, the upper guiding wheel seat is fixed on the magnet steel and covers.

7. shake table guider according to claim 6, it is characterised in that：The both ends of the rack are fixed with for limiting Make the postive stop baffle of the gear.

8. shake table guider according to claim 6, it is characterised in that：Described upper guiding wheel seat one end is equipped with wedge shape Seat, supports inclined wedge on the wedge mount, and one end end face of the inclined wedge is lozenges and mutual with the lozenges of the wedge mount Coordinate, be equipped with screw hole on the inclined wedge and wedge mount, the screw hole aperture on the inclined wedge is less than on the wedge mount Screw hole aperture.

9. shake table guider according to claim 6, it is characterised in that：The upper guiding mechanism is led with the vibration It is uniformly distributed centered on the axis of body.