CN217460102U - Built-in spring vibration isolator - Google Patents
Built-in spring vibration isolator Download PDFInfo
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- CN217460102U CN217460102U CN202220703067.1U CN202220703067U CN217460102U CN 217460102 U CN217460102 U CN 217460102U CN 202220703067 U CN202220703067 U CN 202220703067U CN 217460102 U CN217460102 U CN 217460102U
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- outer sleeve
- vibration isolator
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Abstract
A built-in spring vibration isolator comprises an outer sleeve, an inner sleeve and a height-adjusting locking device, wherein the outer sleeve is provided with a jacking layer and a supporting layer, the jacking layer is used for jacking a spring floating plate, and the supporting layer is used for reliably transmitting force applied to the outer sleeve of the spring vibration isolator to the inner sleeve of the spring vibration isolator. Heightening locking device contains split type heightening gasket and locking bolt etc. and split type heightening gasket has heightening and locking function concurrently, and locking bolt is used for split type heightening gasket's fixed. Therefore, the utility model optimizes the outer sleeve and the heightening locking device, adopts the split heightening gasket to well solve the problem that the integral heightening gasket is easy to have uneven three-point stress, and ensures the safety of the vibration isolation system; the locking design is integrated to outer sleeve and split type height-adjusting gasket, and the structure is simpler, and construction convenience has improved the efficiency of construction.
Description
Technical Field
The utility model relates to a technical field of rail transit damping especially relates to a built-in spring isolator.
Background
The spring vibration isolator is one of the main elements of the floating slab track bed, and can be assembled by various parts, thereby being related to the safety and the stability of train operation. Therefore, before the spring vibration isolator floating slab track bed is put into use, a series of assembling evaluation must be carried out, the assembly of the existing spring vibration isolator is complex, the operation of the height adjustment and locking process is complex, the installation of parts is not in place, and the maintenance and disassembly process is complex and inconvenient.
Therefore, in view of the above-mentioned drawbacks, the designer of the present invention develops an internal spring vibration isolator by combining the experience and achievement of the related industries for many years through careful research and design to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a built-in spring isolator, its simple structure, the loaded down with trivial details operation in the convenient solution assembling process, installation easy operation dismantles the convenience, can solve the inhomogeneous problem of spring isolator atress, has ensured the safety of vibration isolation system.
In order to achieve the purpose, the utility model discloses a built-in spring isolator draws together outer sleeve, inner tube and heightens locking device, its characterized in that:
the utility model discloses a hydraulic jack, including outer sleeve, inner wall of upper end of outer sleeve, jacking layer, supporting layer and spring isolator inner tube, the lower extreme on jacking layer is equipped with the caulking groove that supplies hydraulic jack jacking, and this hydraulic jack is equipped with the caulking groove assorted jacking claw with jacking under the layer, the inner wall middle part of outer sleeve is provided with the supporting layer, the lower part of supporting layer is provided with a plurality of spacing cards in order to ensure to pass power reliably, the upper end of inner tube is equipped with the supporting roof, it has a plurality of screw holes to open on the supporting roof, it includes a plurality of split type height-adjusting gasket and locking bolt to heighten locking device, split type height-adjusting gasket sets up between the supporting roof of supporting layer and spring isolator inner tube, split type height-adjusting gasket is equipped with the through-hole that supplies locking bolt to run through and the spiral shell admittedly in the screw hole, and split type height-adjusting gasket still be equipped with the spacing portion of the spacing card complex in supporting layer lower part.
Wherein: the jacking layer is formed by uniformly arranging three steel materials with caulking grooves at the lower parts at the same height position of the inner wall of the outer sleeve along the inner wall of the outer sleeve.
Wherein: the limiting clamp is a rod-shaped object and does not conflict with the installation position of the inner cylinder supporting top plate.
Wherein: the limiting part is a U-shaped limiting clamping groove.
Wherein: the supporting layer is made of an integral steel plate and is fully welded on the inner wall of the outer sleeve.
Wherein: the locking bolt is also provided with a flat washer and a spring washer so as to be better and convenient to fix and use.
Wherein: spacing card and screw hole are 3, thereby split type height-adjusting gasket is for being not more than 60 degrees fan-shaped height-adjusting gasket mutually supporting through the split type height-adjusting gasket of three position and heightens.
Wherein: the thickness of the split height-adjusting gasket is 2-20mm, and the number of the split height-adjusting gaskets at the same position is not more than 4.
Wherein: the depth of caulking groove is not less than 10mm, spacing card downwardly extending is not less than 25 mm.
Wherein: the locking bolt comprises a flange locknut and a matched screw rod.
According to the above, the built-in spring vibration isolator of the utility model has the advantages that the jacking layer is arranged in the outer sleeve to jack up the floating plate, the split type height-adjusting gasket is arranged between the supporting layer and the supporting top plate, one corner U-shaped limiting clamping groove of the split type height-adjusting gasket is matched with the limiting clamp in the outer sleeve, the locking bolt penetrates through the height-adjusting gasket through hole and is bolted with the reserved bolt hole of the supporting top plate, meanwhile, the outer sleeve limiting clamp is matched with the U-shaped limiting clamping groove of the height-adjusting gasket, the limiting and self-locking functions are realized through the bolting of the locking bolt, the integrity of the spring vibration isolator and the split type height-adjusting gasket is ensured, meanwhile, compared with the traditional spring vibration isolator, the locking gasket parts are cancelled, the structure is simpler, the construction is convenient, and the construction efficiency is improved; through the split type height-adjusting gasket, the problem that three points of the spring vibration isolator are unevenly stressed after the spring vibration isolator has an inclination error on the horizontal plane of the base is solved, and the safety of a vibration isolation system is ensured.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
Fig. 1 shows an assembly schematic diagram of the built-in spring vibration isolator of the present invention.
Figure 2 shows a schematic view of the interior of the outer sleeve of the invention.
Figure 3 shows a schematic view of an outer sleeve of the invention.
Fig. 4 shows a schematic structural diagram of the inner barrel of the present invention.
Fig. 5 shows an exploded view of the height-adjustable locking device of the present invention.
Reference numerals:
an outer sleeve 1; a jacking layer 11; a caulking groove 12; a support layer 13; a limit card 14; an inner cylinder 2; a supporting top plate 21; a threaded hole 22; heightening and locking device 3; a split height-adjusting shim 31; a lock bolt 32; a flat washer 33; a spring washer 34.
Detailed Description
Referring to fig. 1 to 5, the built-in spring vibration isolator of the present invention is shown.
As shown in fig. 1 and 2, the built-in spring vibration isolator comprises an outer sleeve 1, an inner sleeve 2 and a height-adjusting locking device 3, wherein a lifting layer 11 is arranged on the inner wall of the upper end of the outer sleeve 1, and an embedded groove 12 for lifting a hydraulic jack is arranged at the lower end of the lifting layer 11, wherein in one embodiment, the lifting layer 11 can be formed by uniformly distributing and welding three steel materials with embedded grooves 12 at the lower parts at the same height position of the inner wall of the outer sleeve 1 along the inner wall of the outer sleeve 1, so that in the embodiment, three steel materials can be used for lifting through three stress points, and the built-in spring vibration isolator is more stable and reliable, has a simple structure and is convenient to operate. During the concrete operation, thereby adopt hydraulic jack jacking outer sleeve 1 to lift floating plate (outer sleeve 1 buries underground in floating plate inside, thereby through jacking outer sleeve 1 jacking floating plate during the jacking), this hydraulic jack is equipped with the caulking groove 12 assorted jacking claw with jacking layer 11 below, hydraulic jack puts into the outer sleeve and rotatory 60 degrees after imbed in the caulking groove 12 of jacking layer 11 lower part, transmit on isolator inner tube 2 through jacking layer 11 and jack the power that outer sleeve 1 received through hydraulic jack's self backstep effect.
As shown in fig. 1 to 3, a support layer 13 is arranged in the middle of the inner wall of the outer sleeve 1, the support layer 13 can be fixed in the outer sleeve 1 by welding, the support layer 13 has the function of transmitting the force received by the outer sleeve 1 of the sprung vibration isolator to the inner sleeve 2, preferably, a plurality of limit clamps 14 are arranged at the lower part of the support layer 13 to ensure reliable force transmission, and the limit clamps 14 can be rod-shaped and do not interfere with the installation position of the support top plate 21 of the inner sleeve 2.
Preferably, the support layer 13 is formed of a single steel plate and is welded to the inner wall of the outer sleeve 1 to improve accuracy and reliability.
As shown in fig. 4, a supporting top plate 21 is provided at an upper end of the inner cylinder 2, and a plurality of screw holes 22 are formed in the supporting top plate 21.
As shown in fig. 1 and 5, the height-adjusting locking device 3 includes a plurality of split height-adjusting washers 31 and locking bolts 32 to cooperate with the lower limit clamps 14 of the supporting layer 13. Wherein, the utility model provides a split type gasket 31 of increaseing is fan-shaped in the picture, and its split type gasket altitude mixture control that increases that sets up through a plurality of intervals on the annular forms a plurality of positions, split type gasket 31 of increaseing sets up between the roof 21 of supporting layer 13 and spring isolator inner tube 2, split type gasket 31 of increaseing is equipped with and supplies locking bolt 32 to run through and the spiral shell is solid in the through-hole of screw hole 22 to on being fixed to inner tube 2 split type gasket 31 of increaseing, and split type gasket 31 of increaseing still can be equipped with the spacing portion of the spacing card 14 complex in supporting layer 13 lower part, spacing portion can be the spacing draw-in groove 35 of U type, locking bolt 32 still is equipped with plain washer 33 and spring washer 34 to better convenience is fixed and is used.
In one embodiment, the number of the limit clamps 14 and the number of the threaded holes 22 are 3, and the split height-adjusting gaskets 31 are in a fan shape with an angle of not more than 60 degrees, so that the height can be adjusted by the mutual matching of the three split height-adjusting gaskets 31.
Wherein the split height-adjusting gasket can form a multi-layer height-adjusting cushion.
Therefore, when the hydraulic lifting device is used specifically, after the floating plate is lifted by a hydraulic jack, according to the requirement of lifting height, the split type height-adjusting gasket 31 is added between the supporting layer 13 and the supporting top plate 21 of the inner cylinder 2, the U-shaped limiting clamping groove 35 on the split type height-adjusting gasket 31 is clamped into the limiting clamp 14 at the lower part of the supporting layer 13, the position of the split type height-adjusting gasket 31 is adjusted to enable the through hole 36 of the split type height-adjusting gasket to be aligned with the threaded hole 22 on the supporting top plate 21 of the inner cylinder 2, then the locking bolt 32 is installed and screwed, and the flat washer 33 and the spring washer 34 are required to be added before the locking bolt 32 is installed to prevent the locking bolt 32 from loosening and ensure reliable force transmission.
From this, through split type rising components of a whole that can function independently setting of gasket 31, compare the advantage of integral rising gasket and lie in: the split type height-adjusting gaskets 31 with different thicknesses can be used at three (or more) stress points above the supporting top plate 21 of the spring vibration isolator inner cylinder 2 according to requirements, so that each stress point is stressed, the elevation of the track bed plate is adjusted, the track bed plate meets the requirement of track construction precision, and force transmission is reliable.
Preferably, the thickness specification of the split height-adjusting gasket 31 is preferably 2mm, 3mm, 5mmm, 10mm and the like, the total adding thickness of each gasket is not preferably more than 20mm, and the total adding quantity of the gaskets is not more than 4.
Wherein, the depth of caulking groove is not less than 10mm to be used for installing hydraulic jack and preventing the top claw and skid, spacing card downwardly extending is not less than 25mm, so that install the height-adjusting gasket of sufficient thickness.
Wherein, the outer sleeve can be made by integral casting.
Wherein, the split type height-adjusting gasket can select various specifications within the range of 2mm to 20 mm.
The locking bolt can use a flange locknut and a matched screw rod to prevent the locking bolt from loosening in the using process.
The specific method of the utility model comprises the following steps:
a. the counter force of the substrate on the inner cylinder is transferred to the jacking layer of the outer sleeve through the jack, so that the outer sleeve and the floating plate are jacked up;
b. and split type height-adjusting gaskets are respectively added at three stress positions of each spring vibration isolator, so that the floating plate reaches a design elevation. A single piece or a plurality of split type heightening gaskets are added at each stress position according to the requirement, the thicknesses of the split type heightening gaskets can be the same or different, and it is guaranteed that at least one split type heightening gasket is used at each use position to guarantee smooth locking.
c. Each height-adjusting gasket is plugged into the lower part of the outer sleeve supporting layer, meanwhile, the U-shaped limiting clamping groove is occluded with the limiting clamp and clings to the limiting clamp, and meanwhile, a reserved through hole is aligned with a threaded hole in the inner cylinder supporting top plate;
d. when the horizontal plane of the base has inclination errors, the height-adjusting spacer can be adopted to independently adjust partial stress positions, so that three points of the spring vibration isolator are uniformly stressed.
e. And after the design elevation is reached, the locking bolt penetrates through the reserved through hole of the height-adjusting gasket and the threaded hole on the inner cylinder supporting top plate to be bolted and fastened.
It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention is intended to include any embodiments that fall within the foregoing description and the appended claims.
Claims (10)
1. The utility model provides a built-in spring isolator, includes outer sleeve, inner tube and heightens locking device which characterized in that:
the utility model discloses a hydraulic jack, including outer sleeve, inner wall of upper end of outer sleeve, jacking layer, supporting layer and spring isolator inner tube, the lower extreme on jacking layer is equipped with the caulking groove that supplies hydraulic jack jacking, and this hydraulic jack is equipped with the caulking groove assorted jacking claw with jacking under the layer, the inner wall middle part of outer sleeve is provided with the supporting layer, the lower part of supporting layer is provided with a plurality of spacing cards in order to ensure to pass power reliably, the upper end of inner tube is equipped with the supporting roof, it has a plurality of screw holes to open on the supporting roof, it includes a plurality of split type height-adjusting gasket and locking bolt to heighten locking device, split type height-adjusting gasket sets up between the supporting roof of supporting layer and spring isolator inner tube, split type height-adjusting gasket is equipped with the through-hole that supplies locking bolt to run through and the spiral shell admittedly in the screw hole, and split type height-adjusting gasket still be equipped with the spacing portion of the spacing card complex in supporting layer lower part.
2. The innerspring vibration isolator of claim 1, wherein: the jacking layer is formed by uniformly arranging three steel materials with caulking grooves at the lower parts at the same height position of the inner wall of the outer sleeve along the inner wall of the outer sleeve.
3. The innerspring vibration isolator of claim 1, wherein: the limiting clamp is a rod-shaped object and does not conflict with the installation position of the inner cylinder supporting top plate.
4. The innerspring vibration isolator of claim 1 or 3, wherein: the limiting part is a U-shaped limiting clamping groove.
5. The innerspring vibration isolator of claim 1, wherein: the supporting layer is made of an integral steel plate and is fully welded on the inner wall of the outer sleeve.
6. The innerspring vibration isolator of claim 1, wherein: the locking bolt is also provided with a flat washer and a spring washer so as to be better and convenient to fix and use.
7. The innerspring vibration isolator of claim 1, wherein: spacing card and screw hole are 3, thereby split type height-adjusting gasket is for being not more than 60 degrees fan-shaped height-adjusting gasket mutually supporting through the split type height-adjusting gasket of three position and heightens.
8. The innerspring vibration isolator of claim 1, wherein: the thickness of the split height-adjusting gasket is 2-20mm, and the number of the split height-adjusting gaskets at the same position is not more than 4.
9. The innerspring vibration isolator of claim 1, wherein: the depth of caulking groove is not less than 10mm, spacing card downwardly extending is not less than 25 mm.
10. The innerspring vibration isolator of claim 1, wherein: the locking bolt comprises a flange locknut and a matched screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220703067.1U CN217460102U (en) | 2022-03-29 | 2022-03-29 | Built-in spring vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220703067.1U CN217460102U (en) | 2022-03-29 | 2022-03-29 | Built-in spring vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217460102U true CN217460102U (en) | 2022-09-20 |
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ID=83266889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220703067.1U Active CN217460102U (en) | 2022-03-29 | 2022-03-29 | Built-in spring vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217460102U (en) |
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2022
- 2022-03-29 CN CN202220703067.1U patent/CN217460102U/en active Active
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