CN208830062U - A kind of subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure - Google Patents
A kind of subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure Download PDFInfo
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- CN208830062U CN208830062U CN201821392285.8U CN201821392285U CN208830062U CN 208830062 U CN208830062 U CN 208830062U CN 201821392285 U CN201821392285 U CN 201821392285U CN 208830062 U CN208830062 U CN 208830062U
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Abstract
The utility model discloses a kind of subgrade of metro shock mitigation systems of novel intelligent steel spring floating slab structure, and the bolt shock absorber of floating plate damping, and the pressure monitoring device for monitoring bolt damper pressure state are realized including being set to subgrade of metro；Bolt shock absorber includes the outer barrel connecting with floating plate to be damped, the inner cylinder pedestal for being fixedly arranged on railway roadbed basis, seat, perforation are arranged to connect the bolt connection piece of seat and the elastic component being elastically compressed for realizing bolt shock absorber in inner cylinder pedestal and inner cylinder in the inner cylinder being threadedly coupled above inner cylinder pedestal and with outer barrel；Elastic component is bolted part precompressed and shrinks in inner cylinder pedestal and inner cylinder between seat；Pressure monitoring device is set in inner cylinder pedestal and inner cylinder between seat, and is contacted respectively with seat in inner cylinder pedestal and inner cylinder.On the one hand the shock mitigation system can be realized the continuous stepless height-regulating to railway roadbed floating plate, on the other hand can be to the real-time monitoring and intelligent management realized to subgrade of metro.
Description
Technical field
The utility model belongs to noise reduction technology field, and in particular to a kind of novel intelligent steel spring floating slab structure
Subgrade of metro shock mitigation system.
Background technique
In recent years, the economy of rapid development has expedited the emergence of batchs of railway traffic engineerings, high building project, superelevation
Layer architectural engineering, Longspan Bridge engineering.The project amount of these engineerings is huge, and can generate huge vibration in construction and make an uproar
Sound.In addition, subway train run when can also generate huge noise and vibration, these vibration not only can to neighbouring building with set
It is standby to generate serious harm, moreover, this vibration can also very disruptive daily life in densely populated place area.
In existing noise reduction technology, applying in practice is the most successfully damper technique.It passes through to be damped
Elastic suspension is set in isolation structure, separates structure with basis, realizes vibration and noise reducing.
Previous damper is needed using jack, and cooperates height-regulating gasket, could jack by structure, this mode
It is not only complicated for operation, speed of application is slow, but also precision is also very poor, especially can only carry out ladder within the scope of existing shim size
Formula is turned up, and cannot continuous its height of stepless changing.
Existing least a portion of damper can connect floating plate by being formed in floating plate in advance, and by the way of being threadedly coupled
Continuous jacking is raised, but this damper can only play the role of vibration damping.It is for whole to the railway roadbed including floating plate
Body structure changes, such as: floating plate sinks, railway roadbed sinks, pours water between railway roadbed and floating plate, can not carry out real-time monitoring, more
Effective regulation and processing in real time can not be carried out to the integrally-built change of railway roadbed.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of subway of novel intelligent steel spring floating slab structure
Railway roadbed shock mitigation system, one side can be realized the continuous stepless height-regulating to railway roadbed floating plate, on the other hand can be to realization pair
The real-time monitoring and intelligent management of subgrade of metro.
The utility model uses following technical scheme:
A kind of subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure, including be set to subgrade of metro realization and float
Set the bolt shock absorber of plate damping, and the pressure monitoring device for monitoring the bolt shock absorber pressure state；
The bolt shock absorber includes the outer barrel connecting with floating plate to be damped, the inner cylinder bottom for being fixedly arranged on railway roadbed basis
Seat, perforation are arranged to connect in described in seat, the inner cylinder being threadedly coupled above the inner cylinder pedestal and with the outer barrel
The bolt connection piece of seat and the elasticity being elastically compressed for realizing the bolt shock absorber in cylinder pedestal and the inner cylinder
Part；
The elastic component is shunk in the inner cylinder pedestal and the inner cylinder between seat by the bolt connection piece precompressed；
The pressure monitoring device is set in the inner cylinder pedestal and the inner cylinder between seat, and with the inner cylinder pedestal and
Seat contacts respectively in inner cylinder.
Further, seat is equipped with the communication channel passed through for communications optical cable or electric wire, the pressure prison in the inner cylinder
Device is surveyed to be electrically connected by communications optical cable or electric wire and external smart control system.
Further, the pressure monitoring device is electrically connected by wireless communication module and external smart control system.
It further, further include water level monitoring device for monitoring subgrade of metro water level depth, the water level monitoring dress
Set the outer wall laying along the inner cylinder pedestal.
Further, seat is equipped with the communication channel passed through for communications optical cable or electric wire, the inner cylinder bottom in the inner cylinder
Be correspondingly provided on the side wall of seat it is several wear for communications optical cable or electric wire to the cannelure of the communication channel mouth, the water level prison
Device is surveyed to be electrically connected by communications optical cable or electric wire and external smart control system.
Further, the water level monitoring device is electrically connected by wireless communication module and external smart control system.
Further, the upper surface of seat is equipped with and is used to indicate its calibration loop for rotating angle, the outer cylinder in the inner cylinder
Rotation angle sign is correspondingly arranged on body；
Or being equipped with for the outer barrel is used to indicate its calibration loop for rotating angle, the upper surface pair of seat in the inner cylinder
Rotation angle sign should be provided with
Further, the periphery wall of the outer barrel is equipped with the concaveconvex structure for connecting with to damping object, can be used
The combined form setting of any one or more of screw thread, protrusion or fin.
It further, further include sealing cover, the sealing cover is equipped with and matched second external screw thread of the internal screw thread, institute
State sealing cover by second external thread cap together in the upper end opening of the outer barrel at.
Further, the upper surface of seat is equipped with counterbore in the inner cylinder, and the bolt connection piece is set in the counterbore.
Compared with prior art, the utility model has the following beneficial effects:
1, using being threadedly coupled between outer barrel and seat in inner cylinder, so that can continuously be adjusted when seat in rotating inner cylinder
Seat screws togather depth in section outer barrel and inner cylinder, solves the defect that damper in the prior art is unable to step-less adjustment height；
Moreover, the structure being threadedly engaged, keeps its structure more stable, avoiding gasket in the prior art can occur in use
The defect of deflection；In addition, seat is arranged above inner cylinder pedestal by the way that elastomer is relocatable in inner cylinder, so that in screwing downwards
In cylinder when seat, the elastomer in inner cylinder between seat and inner cylinder pedestal is further compressed, compressed elastomer and then generation
Floating plate structure is jacked the stepless continuous height-regulating that floating plate structure is thus realized to the height of design by reaction force.
2, part is bolted and easily controls the distance between seat and inner cylinder pedestal in inner cylinder, one side can match
The rotation for closing inner cylinder is adjusted, and realizes and the continuous stepless of floating plate structure is turned up；On the other hand guarantee pressure monitoring device energy
It is contacted simultaneously with the two, keeps the real-time monitoring to bolt shock absorber.Bullet is found in time will pass through pressure monitoring device
Property body fracture failure, subgrade of metro total subsidence, bolt shock absorber hang sky, accomplish to monitor in real time, intelligence is managed
The purpose of reason.
3, it by setting water level monitoring device, can be monitored in real time the SEA LEVEL VARIATION of subgrade of metro, and will monitor
Water level conditions real-time Transmission gives external smart control system.When water level value is more than highest set value, external smart control system
Pumping equipment is controlled to open, when water level is lower than minimum setting value after draining, external smart control system closes pumping equipment,
Stop draining.The setting of water level monitoring device makes it possible to obtain subgrade of metro water level conditions in real time, helps to realize to subway
The intelligent remote monitoring of railway roadbed.
4, in inner cylinder seat high scale ring setting, it is ensured that the accuracy of top lifting height eliminates the feelings that damper sky is hung
Condition keeps rail level smooth along line direction, to reduce low-frequency noise.
Detailed description of the invention
The technology of the utility model is described in further detail with reference to the accompanying drawings and detailed description:
Fig. 1 is the installation of the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure described in the utility model
Schematic diagram；
Fig. 2 is the structural schematic diagram of seat in inner cylinder described in the utility model；
Fig. 3 is the top view of seat in inner cylinder described in the utility model；
Fig. 4 is the structural schematic diagram of inner cylinder pedestal described in the utility model；
Fig. 5 is the structural schematic diagram of sealing cover described in the utility model；
Fig. 6 is the calibration loop schematic diagram of the utility model one embodiment.
Wherein:
1, outer barrel；11, internal screw thread；12, concaveconvex structure；13, calibration loop；2, seat in inner cylinder；21, the first external screw thread；
22, counterbore；23, light bar segment；25, pillar；26, convex block；27, communication channel；3, elastic component；4, inner cylinder pedestal；40, accommodating is empty
Between；41, side wall, 42, bottom wall；43, cannelure；44, boss；5, bolt connection piece；51, connecting rod；52, nut；53, it sells；6, close
Capping；61, the second external screw thread；62, outward flange；63, cross counterbore；7, pressure monitoring device；8, water level monitoring device；9, subway
Railway roadbed；91, floating plate；
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
The utility model discloses a kind of subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure, such as Fig. 1
It is shown, the bolt shock absorber of 91 damping of floating plate is realized including being set to subgrade of metro 9, and be used for monitoring bolt damper pressure
The pressure monitoring device 7 of state；
Bolt shock absorber includes the outer barrel 1 connecting with floating plate to be damped 91, the inner cylinder bottom for being fixedly arranged on railway roadbed basis
Seat 4, set on inner cylinder pedestal 4 above and with outer barrel 1 be threadedly coupled inner cylinder in seat 2, perforation be arranged with connect inner cylinder pedestal 4 and
The bolt connection piece 5 of seat 2 and the elastic component 3 being elastically compressed for realizing bolt shock absorber in inner cylinder；
Elastic component 3 is bolted 5 precompressed of part and shrinks in inner cylinder pedestal 4 and inner cylinder between seat 2；
Pressure monitoring device 7 is set in inner cylinder pedestal 4 and inner cylinder between seat 2.
Based on said structure design, in the present embodiment, outer barrel 1 in inner cylinder between seat 2 using being threadedly coupled so that
When rotating seat 2 in inner cylinder, can continuously adjust seat 2 in outer barrel 1 and inner cylinder screws togather depth, solves in the prior art
Damper is unable to the defect of step-less adjustment height；Moreover, the structure being threadedly engaged, keeps its structure more stable, avoid existing
The defect that gasket in technology can deflect in use；In addition, seat 2 passes through the relocatable setting of elastomer in inner cylinder
Above inner cylinder pedestal 4, when so that screwing seat 2 in inner cylinder downwards, elastomer in inner cylinder between seat 2 and inner cylinder pedestal 4 by
To further compression, compressed elastomer generates reaction force in turn and jacks 91 structure of floating plate to the height of design, by
This stepless continuous for realizing 91 structure of floating plate is turned up.
The setting of bolt connection piece 5 controls the distance between seat 2 and inner cylinder pedestal 4, one side in inner cylinder in which can be convenient
Face can cooperate the rotation of inner cylinder to adjust, and realize and the continuous stepless of 91 structure of floating plate is turned up；On the other hand guarantee pressure
Monitoring device 7 can be contacted with the two simultaneously, keep the real-time monitoring to bolt shock absorber.Will pass through pressure monitoring device 7
It in time finds that elastomer fracture failure, 9 total subsidence of subgrade of metro, bolt shock absorber hang sky, accomplishes reality
When monitor, the purpose of intelligent management.
As shown in Figure 1, outer barrel 1 can be the form of lasso.Outer barrel 1 can be made of nylon material.The present invention is simultaneously
It is not limited, can be any material that optionally can satisfy engineering demand, such as: the metal materials such as steel, rubber gather
The composite materials such as ester, polyurethane, the other materials such as new material.
And the internal screw thread 11 of outer barrel 1 may be any type of screw thread, such as rectangular thread, trapezoidal thread, triangle
Screw thread, saw-tooth thread or other special shape screw threads.
As shown in Figure 1, the periphery wall of outer barrel 1 is equipped with the concaveconvex structure 12 for connecting with to damping object.The bumps
The concrete form of structure 12 includes screw thread, protrusion, fin.Such as external screw thread shown in FIG. 1, it is also possible to several raised (such as spiral shells
Revolve shape protrusion) or several fins (such as helical form fin).When implementation, when directly outer barrel 1 can be embedded in concrete in advance,
Increased using concaveconvex structure 12 with the contact area of concrete, the bonding strength both improved, it, can be with so that when casting concrete
Preferably with concrete binding so that overall structure is more stable.When concaveconvex structure 12 is using thread forms, can not only it mention
High bonding strength, moreover, its can by helicitic texture between the two transmission force essentially without losses, help to improve damper
Integral vibration damping effect.
In the present embodiment, as shown in Figure 1, seat 2 is equipped with the communication channel passed through for communications optical cable or electric wire in inner cylinder
27, pressure monitoring device 7 is electrically connected by communications optical cable or electric wire and external smart control system.
Certainly, pressure monitoring device 7 with wireless communication module and external smart control system by that can also be electrically connected.Its
In, wireless communication module can be Wifi, bluetooth etc..
In the above-described embodiments, as shown in Figure 1, further including being filled for monitoring the water level monitoring of 9 water level depth of subgrade of metro
8 are set, water level monitoring device 8 is laid along the outer wall of inner cylinder pedestal 4.Seat 2 is equipped with and passes through for communications optical cable or electric wire in inner cylinder
Communication channel 27 is correspondingly provided on the side wall 41 of (referring to Fig. 1~3) inner cylinder pedestal 4 and several wears for communications optical cable or electric wire
To the cannelure 43 of 27 mouthfuls of the communication channel, water level monitoring device 8 passes through communications optical cable or electric wire and external smart control system
It is electrically connected.
Likewise, water level monitoring device 8 can also be electrically connected by wireless communication module and external smart control system.
Wherein, wireless communication module can be Wifi, bluetooth etc..
It by the way that water level monitoring device 8 is arranged, can be monitored in real time the SEA LEVEL VARIATION of subgrade of metro 9, and will monitor
Water level conditions real-time Transmission gives external smart control system.When water level value is more than highest set value, external smart control system
Pumping equipment is controlled to open, when water level is lower than minimum setting value after draining, external smart control system closes pumping equipment,
Stop draining.The setting of water level monitoring device 8 makes it possible to obtain 9 water level conditions of subgrade of metro in real time, helps to realize over the ground
The intelligent remote monitoring of railway bed 9.
Wherein, as shown in Figure 1, bolt connection piece 5 includes connecting rod, nut 52 and pin 53, connecting rod 51 is equipped with for nut
The pin hole that the 52 stud sections screwed togather and supply and marketing 53 plug.Preferably, pin hole is set to outboard end, pin 53 is to the nut 52 after screwing
Limit is formed, prevents it from loosening.The structure that this kind of nut 52 is matched with bolt 53 can also allow the structure of damper guaranteeing
It is more compact under the premise of structural stability.
In one embodiment of the utility model, as shown in figure 3, there is inner cylinder pedestal 4 bottom wall 42 and side wall 41 to surround
Accommodating space 40, elastic component 33 is whole or part is set in the accommodating space 40.Specifically, inner cylinder pedestal 4 be equipped with connection/
Connection/positioning region of positioning elastic part 33.For example, positioning region is set as the boss 44 set on 42 middle inside of bottom wall.Spiral bullet
One end of spring, which can be directly arranged, is fixed on the boss 44.
In one embodiment of the utility model, damping agent can also be arranged in the accommodating space 40 of inner cylinder pedestal 4 (can
To be highly viscous damping fluid, such as silicone oil or methyl-silicone oil), and elastic component 33 is completely or partially dipped in damping agent, this
When, the damping force of damper is provided jointly by elastic component 33 and damping agent.When upper load transmits, elastic component 33 can generate phase
Offer damping force should be provided, and other than damping force is provided, damping agent can also absorb vibrational energy, when shock insulation knot to be damped
When structure is vibrated by exciting force excitation, damper can generate inertia force and react on isolation structure to be damped, offset input
Exciting force, reduce the vibratory response of structure, simultaneously because in damper damping agent effect, the vibration of isolation structure to be damped
It can be weakened rapidly, avoid isolation structure to be damped by frequent vibration and cause fatigue rupture, greatly extend wait subtract
The service life of vibration isolation structure, i.e., the characteristic of vibration can be absorbed by damping agent, allow its effectiveness in vibration suppression more preferable.
In one embodiment of the utility model, 2 connection of seat sets flexible sealing and ties in inner cylinder pedestal 4 and inner cylinder
Structure (such as sealing ring of elastic material) or mobile sealing, so that the two keeps sealing state in relative movement thereof.With
This makes elastic component 33, damping agent be in closed isolation, can not only leak to avoid damping agent, but also elastic component 33 can be improved
Weatherability.
Specifically, side wall 41 has several cannelures 43 far from the side of bottom wall 42 (referring to FIG. 1 to FIG. 3).
Corresponding, seat 2 is equipped with several longitudinal concaveconvex structures close to the side of elastic component 33 in (referring to Fig. 1, Fig. 4) inner cylinder
12, it is matched with the cannelure 43 of inner cylinder pedestal 4 and plays the role of guiding.
In the above-described embodiments, as shown in figure 4, the upper end of seat 2 is equipped with for seat 2 in external tool rotation inner cylinder in inner cylinder
Counterbore 22, bolt connection piece 5 be set to counterbore 22 in.Such as the cross section of counterbore 22 can for rectangular, linear type, cross or
Hexagon.This kind of structure setting not only makes its structure more compact, is conducive to reduce whole volume, moreover, easy to produce
Processing and constructing operation.In order to improve the overall stability of inner cylinder, the bottom side of seat 2 is equipped with connection/positioning elastic part in inner cylinder
3 connection/positioning region.For example, it is arranged to the form of a pillar 25 (referring to Fig. 1, Fig. 4), it can be for one end of helical spring
It is arranged and is fixed on the pillar 25.
Referring to fig. 4, the periphery wall of seat 2 is additionally provided with the relatively small light bar segment of outer diameter except external screw thread 21 is provided in inner cylinder
23, such as the light bar segment 23 close to 3 side of elastic component, which is provided with several dismountable convex blocks 26 (is circumferential in the present embodiment
Four be evenly arranged), convex block 26 is removably attachable in inner cylinder seat 2 close to one end of elastic component 3 by screw, and with it is interior
Cylinder pedestal 4 side of the side wall 41 far from bottom wall 42 several cannelures 43 (four be arranged circumferentially in the present embodiment, and it is convex
Block 26 is corresponding) it matches, i.e. the accommodating space 40 that protrudes into or correspond to inner cylinder pedestal 4 of light bar segment 23, convex block 26 is along cannelure 43
Extending direction is mobile to realize guiding.Preferably, forming an annular groove between convex block 26 and external screw thread 21.
This kind of guide frame makes at work, and damper top is shored in structure is stuck in by 2 lower part of seat in inner cylinder
In cylinder pedestal 4, so can not rotational slip, it can it avoids producing relative rotation between seat 2 in inner cylinder pedestal 4 and inner cylinder, because
This, it is whole more stable not only to make elastic inner cylinder, but also between damper and works to be damped (such as floating plate 91)
It connects relatively reliable.
In one embodiment of the utility model, as shown in Figure 1, the internal perisporium of outer barrel 1 is equipped with internal screw thread 11, inner cylinder
The periphery wall of middle seat 2 is equipped with and matched first external screw thread 21 of internal screw thread 11；Bolt shock absorber further includes sealing cover 6, sealing
Lid 6, which is equipped with, is covered on outer barrel 1 by the second external screw thread 61 with matched second external screw thread 61 of internal screw thread 11, sealing cover 6
At upper end opening.For convenience of pressure-detecting device and water-level control apparatus and extraneous communication, can correspondingly be arranged on end cap
The communication channel (not shown go out) being in communication with the outside.
By the setting of sealing cover 6, the weatherability of shock mitigation system can be improved, prolong its service life.Wherein outside second
Screw thread 61 can be rectangular thread, trapezoidal thread, triangle thread, saw-tooth thread or special shape screw thread, both easy to process
Manufacture, and it is convenient for constructing operation.Shown in Figure 5 in order to reach preferable sealing effect, sealing cover 6 is equipped with outward flange 62, is
It is easily installed, and saves space, sealing cover 6 is additionally provided with cross counterbore 63.
In one embodiment of the utility model, as shown in fig. 6, being equipped with for outer barrel 1 is used to indicate its rotation angle
Calibration loop 13, the upper surface of seat 2 is correspondingly arranged on rotation angle sign in inner cylinder.
The upper surface of seat 2, which is equipped with, in another embodiment of the utility model, in inner cylinder is used to indicate its rotation angle
Calibration loop is correspondingly arranged on rotation angle sign on outer barrel 1.
Specifically, can be to there is 12 scales on calibration loop 13, sign is corresponding when jacking and on outer barrel 1, then often
One scale of precession can jack 1mm, one week jacking 12mm. of precession
The accuracy for ensuring top lifting height eliminates the case where damper sky is hung, and keeps rail level smooth along line direction, from
And reduce low-frequency noise.
Other contents of the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure described in the utility model
Referring to the prior art, details are not described herein.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, therefore it is all without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to above
Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.
Claims (10)
1. a kind of subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure, it is characterised in that: including being set to subway
Railway roadbed realizes the bolt shock absorber of floating plate damping, and the pressure monitoring dress for monitoring the bolt shock absorber pressure state
It sets；
The bolt shock absorber include the outer barrel being connect with floating plate to be damped, the inner cylinder pedestal for being fixedly arranged on railway roadbed basis,
Seat, perforation are arranged to connect the inner cylinder bottom in the inner cylinder being threadedly coupled above the inner cylinder pedestal and with the outer barrel
Seat and the bolt connection piece of seat in the inner cylinder and the elastic component being elastically compressed for realizing the bolt shock absorber；
The elastic component is shunk in the inner cylinder pedestal and the inner cylinder between seat by the bolt connection piece precompressed；
The pressure monitoring device is set in the inner cylinder pedestal and the inner cylinder between seat, and with the inner cylinder pedestal and inner cylinder
Middle seat contacts respectively.
2. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 1, feature exist
In:
Seat is equipped with the communication channel passed through for communications optical cable or electric wire in the inner cylinder, and the pressure monitoring device passes through communication
Optical cable or electric wire and external smart control system are electrically connected.
3. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 1, feature exist
In: the pressure monitoring device is electrically connected by wireless communication module and external smart control system.
4. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 1, feature exist
In:
It further include the water level monitoring device for monitoring subgrade of metro water level depth, the water level monitoring device is along the inner cylinder bottom
The outer wall of seat is laid.
5. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 4, feature exist
In:
Seat is equipped with the communication channel that passes through for communications optical cable or electric wire in the inner cylinder, corresponding on the side wall of the inner cylinder pedestal
Ground is worn for communications optical cable or electric wire to the cannelure of the communication channel mouth equipped with several, and the water level monitoring device passes through communication
Optical cable or electric wire and external smart control system are electrically connected.
6. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 4, feature exist
In:
The water level monitoring device is electrically connected by wireless communication module and external smart control system.
7. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 1, feature exist
In:
The upper surface of seat, which is equipped with, in the inner cylinder is used to indicate its calibration loop for rotating angle, is correspondingly arranged on the outer barrel
Rotate angle sign；
Or being equipped with for the outer barrel is used to indicate its calibration loop for rotating angle, the upper surface correspondence of seat is set in the inner cylinder
It is equipped with rotation angle sign.
8. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 1, feature exist
In:
The periphery wall of the outer barrel is equipped with the concaveconvex structure for connecting with to damping object, and spiral shell can be used in the concaveconvex structure
The combined form setting of any one or more of line, protrusion or fin.
9. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 1, feature exist
In:
The internal perisporium of the outer barrel is equipped with internal screw thread, and the periphery wall of seat is equipped with and matches with the internal screw thread in the inner cylinder
The first external screw thread；
The bolt shock absorber further includes sealing cover, the sealing cover be equipped with matched second external screw thread of the internal screw thread,
The sealing cover by second external thread cap together in the upper end opening of the outer barrel at.
10. the subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure according to claim 1, feature exist
In: the upper surface of seat is equipped with counterbore in the inner cylinder, and the bolt connection piece is set in the counterbore.
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| CN201821392285.8U CN208830062U (en) | 2018-08-28 | 2018-08-28 | A kind of subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure |
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| CN201821392285.8U CN208830062U (en) | 2018-08-28 | 2018-08-28 | A kind of subgrade of metro shock mitigation system of novel intelligent steel spring floating slab structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501955A (en) * | 2020-12-04 | 2021-03-16 | 华东交通大学 | Damper type floating plate rail |
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2018
- 2018-08-28 CN CN201821392285.8U patent/CN208830062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501955A (en) * | 2020-12-04 | 2021-03-16 | 华东交通大学 | Damper type floating plate rail |
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