CN217948753U

CN217948753U - Magnetic suspension support

Info

Publication number: CN217948753U
Application number: CN202221516760.4U
Authority: CN
Inventors: 严爱国; 文望青; 曾敏; 李靖; 姜文恺; 曹文杰; 陈晓辉; 张玲
Original assignee: China Railway Siyuan Survey and Design Group Co Ltd
Current assignee: China Railway Siyuan Survey and Design Group Co Ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-12-02
Anticipated expiration: 2032-06-16

Abstract

The utility model provides a magnetic suspension support, include: go up the bedplate, with go up the bedplate and pass through the vice well bedplate of connecting of plane friction, with well bedplate passes through the vice lower bedplate of connecting of spherical friction, sets up the bedplate below is the basin shape, the upper surface with the bottom sliding connection of bedplate down, the lower surface with the pelvic cavity bottom sliding connection's of bedplate heightening cushion subassembly to and the level set up with bedplate threaded connection, and one end butt is in heighten the top of pushing on the cushion subassembly and push away the screw rod, wherein, the bottom of bedplate down heighten the cushion subassembly and set up in the basin intracavity of bedplate, heighten the cushion subassembly and include two at least voussoirs, the one end of top pushing the screw rod with the voussoir butt. The utility model discloses the structure of magnetic suspension support can be simplified.

Description

Magnetic suspension support

Technical Field

The utility model relates to a bridge beam supports technical field, in particular to magnetic suspension support.

Background

With the development of national economy in China, the requirements of people on the traveling quality are higher and higher, a higher-speed and more comfortable traffic mode is more and more popular, and magnetic suspension rail traffic with higher speed than a wheel-rail high-speed train becomes the development key point in the future. The magnetic suspension support has high requirements on the smoothness of the track, and when the smoothness of the track is poor, the vehicle cannot suspend and the track is hit. Therefore, the magnetic suspension rail transit bridge bearing has the functions of stepless height adjustment, transverse position adjustment, convenient position adjustment and the like on the basis of the function of a common bridge bearing. However, in the prior art, the height-adjustable support base generally only considers the integratability of functions such as stepless height adjustment and the like, and the structure is complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic suspension support to solve the complicated problem of current magnetic suspension support structure.

In order to solve the technical problem, the utility model provides a magnetic suspension support, include: go up the bedplate, with go up the bedplate and pass through the vice well bedplate of connecting of plane friction, with well bedplate passes through the vice lower bedplate of connecting of spherical friction, sets up the bedplate below is the basin shape, the upper surface with the bottom sliding connection of bedplate down, the lower surface with the pelvic cavity bottom sliding connection's of bedplate heightening cushion subassembly to and the level set up with bedplate threaded connection, and one end butt is in heighten the top of pushing on the cushion subassembly and push away the screw rod, wherein, the bottom of bedplate down heighten the cushion subassembly and set up in the basin intracavity of bedplate, heighten the cushion subassembly and include two at least voussoirs, the one end of top pushing the screw rod with the voussoir butt.

Optionally, the two sets of pushing screws are respectively disposed on two opposite sides of the base plate, and are respectively abutted against different wedges.

Optionally, the axial direction of the pushing screw is parallel to the longitudinal bridge direction.

Optionally, the height-adjusting cushion block assembly includes an upper height-adjusting wedge block slidably connected to the bottom of the lower seat plate, and a lower height-adjusting wedge block slidably connected to the bottom of the upper height-adjusting wedge block and the bottom of the cavity of the base plate.

Optionally, the upper surface of the up-height adjusting wedge is a plane, the lower surface of the up-height adjusting wedge is an inclined surface, the upper surface of the down-height adjusting wedge is an inclined surface, the lower surface of the down-height adjusting wedge is a plane, and the two inclined surfaces of the up-height adjusting wedge and the down-height adjusting wedge are in contact with each other to form a contact pair.

Optionally, the inclination angle of the lower surface of the up-regulation wedge block is less than or equal to 8.5 °.

Optionally, the base plate includes a bottom plate and an annular flange protruding upward from an upper surface of the bottom plate, and the jacking screw is in threaded connection with the annular flange.

Optionally, the magnetic suspension support further includes positioning screws horizontally disposed and in threaded connection with the annular flange, one ends of the positioning screws are abutted to the lower base plate, the number of the positioning screws is two, and the two sets of positioning screws are respectively disposed on one side of the base plate and the other side opposite to one side of the base plate.

Optionally, the positioning device further comprises a positioning gasket set arranged between the lower seat plate and the horizontal gap of the base plate, wherein the positioning screw penetrates through the positioning gasket set.

Optionally, a through groove is formed in the flange of the base plate along the longitudinal bridge direction, and the width of the through groove is equal to that of the positioning gasket group.

The utility model provides a pair of magnetic suspension support has following beneficial effect:

the lower seat plate is connected with the middle seat plate through a spherical friction pair, so that the lower seat plate can adapt to the rotation of the upper seat plate; because the heightening cushion block assembly comprises at least two wedge blocks, one end of the pushing screw is abutted to the wedge blocks, and the bottom of the lower seat plate and the heightening cushion block assembly are arranged in the basin cavity of the base plate, the pushing screw can be rotated to push the wedge blocks to move, so that the height of the lower seat plate can be adjusted in a stepless manner, namely the heights of the middle seat plate and the upper seat plate can be adjusted in a stepless manner; in addition, the magnetic suspension support only through heightening the cushion block subassembly and level set up with the bed plate threaded connection, and one end butt is in the top of heightening on the cushion block subassembly pushes away the screw rod, can realize well bedplate with go up the electrodeless regulation of the height of bedplate, consequently has simple structure's advantage.

Drawings

Fig. 1 is a cross-sectional view of a magnetic suspension support in the embodiment of the present invention, which is upward of a longitudinal bridge;

fig. 2 is a cross-sectional view of the magnetic suspension support in the embodiment of the present invention in the direction of the cross bridge;

fig. 3 is a top view of a magnetic suspension support in an embodiment of the present invention;

fig. 4 is a schematic structural view of the positioning gasket according to the embodiment of the present invention.

Description of the reference numerals:

110-an upper seat board; 120-plane friction pair; 130-a middle seat plate; 140-spherical friction pair; 150-lower seat plate; 160-base plate; 161-a backplane; 162-an annular flange; 170-pushing screw; 181-up-adjusting the wedge; 182-lower-up wedge; 190-positioning screw; 200-positioning gasket group; 210-kidney shaped holes; 220-through groove; 230-a first guide projection; 240-second guide projection; 250-sliding friction pair.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a sectional view of a magnetic suspension support in an embodiment of the present invention, the longitudinal bridge is upward, fig. 2 is a sectional view of a magnetic suspension support in an embodiment of the present invention, the lateral bridge is upward, fig. 3 is a top view of a magnetic suspension support in an embodiment of the present invention, the present embodiment provides a magnetic suspension support, including: go up the bedplate 110, with go up bedplate 110 through the vice 120 middle bedplate 130 that connects of plane friction, with middle bedplate 130 passes through the vice 140 lower bedplate 150 that connects of spherical friction, sets up the bedplate 160 that is the basin shape below the bedplate 150 down, the upper surface with the bottom sliding connection of bedplate 150 down, the lower surface with the pelvic bottom sliding connection's of bedplate 160 height-adjusting cushion subassembly to and the level set up with bedplate 160 threaded connection, and one end butt is in top of the height-adjusting on the cushion subassembly pushes away screw rod 170, wherein, the bedplate 150 down the bottom of bedplate the height-adjusting cushion subassembly sets up in the pelvic cavity of bedplate 160, height-adjusting cushion subassembly includes two at least voussoirs, top push away the one end of screw rod 170 with the voussoir butt.

The lower seat plate 150 is connected with the middle seat plate 130 through a spherical friction pair 140, so that the rotation of the upper seat plate 110 can be adapted; because the heightening pad assembly comprises at least two wedges, one end of the pushing screw 170 abuts against the wedges, and the bottom of the lower seat plate 150 and the heightening pad assembly are arranged in the cavity of the base plate 160, the pushing screw 170 can be rotated to push the wedges to move, so that the height of the lower seat plate 150 can be adjusted steplessly, namely the heights of the middle seat plate 130 and the upper seat plate 110 can be adjusted steplessly; in addition, compared with the support in the prior art, the magnetic suspension support in this embodiment can realize stepless adjustment of the heights of the middle seat plate 130 and the upper seat plate 110 only through the height-adjusting cushion block assembly and the horizontally arranged pushing screw 170 in threaded connection with the base plate 160, and one end of the pushing screw abuts against the height-adjusting cushion block assembly, so that the magnetic suspension support has the advantage of simple structure.

Referring to fig. 1, in the embodiment, the two sets of pushing screws 170 are provided, and the two sets of pushing screws 170 are respectively disposed on two opposite sides of the base plate 160 and respectively abut against different wedges, so that the wedges can be respectively pushed against two sides of the base plate 160, and thus, the height of the upper seat plate 110 can be conveniently adjusted from two sides of the magnetic suspension support.

In this embodiment, the axial direction of the pushing screw 170 is parallel to the longitudinal direction.

Referring to fig. 1, the height-adjustable cushion assembly includes an upper height-adjustable wedge 181 slidably connected to the bottom of the lower seat plate 150, and a lower height-adjustable wedge 182 slidably connected to the bottom of the upper height-adjustable wedge 181 and the bottom of the bottom plate 160.

The upper surface of the up-height adjusting wedge 181 is a plane, the lower surface of the up-height adjusting wedge 181 is an inclined surface, the upper surface of the down-height adjusting wedge 182 is an inclined surface, the lower surface of the down-height adjusting wedge 182 is a plane, and the two inclined surfaces of the up-height adjusting wedge 181 and the down-height adjusting wedge 182 are in contact with each other to form a contact pair.

The inclination angle of the lower surface of the upward heightening wedge 181 is less than or equal to 8.5 degrees.

The base plate 160 includes a bottom plate 161 and an annular flange 162 protruding upward from an upper surface of the bottom plate 161, and the jack screw 170 is threadedly coupled to the annular flange 162.

In this embodiment, the horizontal cross section of the annular flange 162 is a square-letter shape, and the horizontal cross section of the lower seat plate 150 is a rectangle.

Referring to fig. 2, the magnetic suspension support further includes positioning screws 190 horizontally disposed and in threaded connection with the annular flange 162, one ends of the positioning screws 190 are abutted against the lower base plate 150, the number of the positioning screws 190 is two, and the two sets of the positioning screws 190 are respectively disposed on one side of the base plate 160 and the other side opposite to one side of the base plate 160. Thus, the position adjustment of the lower seat plate 150, the middle seat plate 130 and the upper seat plate 110 along the transverse bridge direction is realized by rotating the positioning screw 190 on one side of the base plate 160 to form a certain gap between the positioning screw 190 and the lower seat plate 150, and then rotating the positioning screw 190 on the other side of the base plate 160 to push the lower seat plate 150 to move from the other side of the support to the side opposite to the other side of the support through the positioning screw 190; alternatively, the position adjustment of the lower seat plate 150, the middle seat plate 130 and the upper seat plate 110 along the transverse bridge direction can be achieved by rotating the positioning screw 190 on the other side of the base plate 160 to form a certain gap between the positioning screw 190 and the lower seat plate 150, and then rotating the positioning screw 190 on one side of the base plate 160 to push the lower seat plate 150 to move from one side of the support to the other side opposite to the one side of the support through the positioning screw 190.

The magnetic levitation support further includes a positioning shim pack 200 disposed between the horizontal gaps of the lower base plate 150 and the base plate 160, wherein the positioning screw 190 is disposed through the positioning shim pack 200.

The positioning gasket set 200 includes two wedge-shaped positioning gaskets and a plurality of flat positioning gaskets with different thicknesses. The positioning gaskets with different thicknesses can be combined according to the requirement of the adjustment amount of the transverse position to carry out coarse adjustment on the transverse position, then the positioning screw 190 and the wedge-shaped positioning gasket are rotated to carry out fine adjustment, the aim of stepless adjustment on the transverse displacement can be achieved, and finally the gap after the position adjustment is filled by increasing or reducing the number of the positioning gaskets on the two sides.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a positioning gasket according to an embodiment of the present invention, the positioning gasket has a waist-shaped hole 210 along a longitudinal bridge direction, so as to facilitate the installation and detachment of the positioning gasket.

A through groove 220 is formed in the flange of the base plate 160 along the longitudinal bridge direction, and the width (the upward length of the transverse bridge) of the through groove 220 is equal to the width (the upward length of the transverse bridge) of the positioning gasket set 200. So the installation and the dismantlement of positioning gasket are convenient for.

Referring to fig. 2, a first guide protrusion 230 and a second guide protrusion 240 are oppositely arranged and extend downwards from the upper seat plate 110, the inner side of the first guide protrusion 230 is connected with the lower seat plate 150 through a sliding friction pair 250, the inner side of the second guide protrusion 240 is connected with the lower seat plate 150 through a sliding friction pair 250, and the lower seat plate 150 slides along a longitudinal bridge direction relative to the first guide protrusion 230 and the second guide protrusion 240.

In this embodiment, the sliding friction pair 250 and the spherical friction pair 140 are all hard friction pairs, and have small compression deformation, so that the sliding friction pair is suitable for the working condition requirements of the magnetic suspension rail transit bridge.

In this embodiment, the magnetic suspension support has the following working principle:

firstly, the longitudinal direction of the magnetic suspension support is not limited, and the magnetic suspension support can normally slide along the longitudinal direction to adapt to the longitudinal deformation of the beam body. The magnetic suspension support is provided with a spherical friction pair 140 which can adapt to the rotation of the beam body.

Secondly, when the height of the magnetic suspension support needs to be adjusted up or down, firstly, the adjustment amount of the height of the magnetic suspension support is determined, and then, the pushing screw rod is rotated to adjust the height. When the height adjustment amount is small, the pushing screw can be directly rotated for adjustment, and when the height adjustment amount is large, a cushion plate with a certain thickness can be additionally arranged on the upper seat plate 110 for coarse adjustment, and then the pushing screw 170 is rotated for fine adjustment.

Thirdly, when the transverse position adjustment is needed, firstly determining the transverse position adjustment amount; then taking out the positioning gasket group 200 with the same thickness as the adjustment amount, and screwing out the positioning screw 190 on the side; secondly, screwing in a position adjusting screw 190 on the other side, and pushing the upper structure of the magnetic suspension support to move along the transverse direction until the transverse position is adjusted in place; and finally, the positioning gasket group 200 taken out is placed in a gap generated after the position of the other side is adjusted, and the positioning screw 190 is screwed to complete the adjustment of the transverse position of the magnetic suspension support.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A magnetically levitated support, comprising: go up the bedplate, with go up the bedplate and pass through the vice well bedplate of connecting of plane friction, with well bedplate passes through the vice lower bedplate of connecting of spherical friction, sets up the bedplate below is the basin shape, the upper surface with the bottom sliding connection of bedplate down, the lower surface with the pelvic cavity bottom sliding connection's of bedplate heightening cushion subassembly to and the level set up with bedplate threaded connection, and one end butt is in heighten the top of pushing on the cushion subassembly and push away the screw rod, wherein, the bottom of bedplate down heighten the cushion subassembly and set up in the basin intracavity of bedplate, heighten the cushion subassembly and include two at least voussoirs, the one end of top pushing the screw rod with the voussoir butt.

2. The magnetic levitation support of claim 1, wherein the two sets of jacking screws are disposed on opposite sides of the base plate and abut different wedges, respectively.

3. The magnetic levitation support base of claim 1, wherein the axial direction of the jacking screw is parallel to the longitudinal direction of the bridge.

4. The magnetic levitation mount of claim 1, wherein the height adjustment pad assembly comprises an up-adjustment wedge slidably connected to a bottom of the lower base plate, and a down-adjustment wedge slidably connected to a bottom of the up-adjustment wedge and a bottom of the bottom plate.

5. The magnetic levitation seat as recited in claim 4, wherein the upper surface of the up-height wedge is a flat surface, the lower surface of the up-height wedge is an inclined surface, the upper surface of the down-height wedge is an inclined surface, the lower surface of the down-height wedge is a flat surface, and the two inclined surfaces of the up-height wedge and the down-height wedge contact to form a contact pair.

6. The magnetic levitation mount of claim 5, wherein the lower surface of the up-height wedge is inclined at an angle of 8.5 ° or less.

7. The magnetic levitation mount of claim 1, wherein the base plate comprises a base plate and an annular flange protruding upward from an upper surface of the base plate, the ejector screw being threadedly coupled to the annular flange.

8. The magnetic levitation support as recited in claim 7, further comprising two sets of positioning screws horizontally disposed and threadedly coupled to the annular flange, wherein one end of the positioning screws abuts against the lower base plate, and the two sets of positioning screws are disposed on one side of the base plate and the other side opposite to the one side of the base plate.

9. The magnetic levitation support of claim 8, further comprising an alignment shim pack disposed between the lower base plate and the horizontal gap of the base plate, wherein the alignment screw is disposed through the alignment shim pack.

10. The magnetic levitation support as claimed in claim 9, wherein the flange of the base plate is provided with a through slot along the longitudinal bridge direction, and the width of the through slot is equal to the width of the positioning shim pack.