CN204080623U - A kind of interdigitated electrode structure damping displacement road surface stretching device and damping displacement assembly - Google Patents
A kind of interdigitated electrode structure damping displacement road surface stretching device and damping displacement assembly Download PDFInfo
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- CN204080623U CN204080623U CN201420475420.0U CN201420475420U CN204080623U CN 204080623 U CN204080623 U CN 204080623U CN 201420475420 U CN201420475420 U CN 201420475420U CN 204080623 U CN204080623 U CN 204080623U
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- damping displacement
- heterotypic bolt
- damping
- comb plate
- case
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 122
- 238000013016 damping Methods 0.000 title claims abstract description 121
- 230000004888 barrier function Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 18
- 239000007779 soft material Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 8
- 230000001268 conjugating effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The utility model provides a kind of interdigitated electrode structure damping displacement road surface stretching device, it comprises a damping displacement assembly, described damping displacement assembly is located at across seam comb plate lower end and is connected with across stitch comb plate, intersects to coordinate be used for length travel across stitching comb plate with fixed fingers plate; Described damping displacement assembly comprises damping displacement case, heterotypic bolt, beam and reset filling member, in described damping displacement case, there is a cavity, described reset filling member is arranged in described cavity, described heterotypic bolt wears from described damping displacement case upper end in described damping displacement case cavity, described heterotypic bolt upper end is fixedly connected with across stitching comb plate with described, and described heterotypic bolt lower end is limited in the cavity of described damping displacement case.The utility model has good damping performance; Can be good at, to across the reset after the seam transverse direction of comb plate or vertical displacement, extending the application life across seam comb plate; And mounting means is simple, makes with the cost safeguarded low.
Description
Technical field
The utility model relates to road surface comb plate stretching structure, particularly a kind of interdigitated electrode structure damping displacement road surface stretching device and damping displacement assembly.
Background technology
Bridge extension joint is to make vehicle smoothly pass bridge floor and meeting the needs of bridge deck structure distortion, the general name of device arranged at bridge floor expansion joint place.Current bridge extension joint mainly contains modular expansion device, the board-like stretching device of common comb and the board-like stretching device of comb with vertical rotating shaft.
Modular expansion device is overall gridiron structure, it forms primarily of central sill, side bar, supporting traverse, bearing and polyurethane waterstop, supporting traverse and central sill are bolted together by rigidity by compressing support and bearing, there is following defect in this stretching device: one, device can not meet lateral deflection, when bridge beam body occurred level move or horizontal movement time, bearing is caused to be out of shape impaired or to come off, occur that central sill and side bar pull damage phenomenon, in girder steel one end generation larger displacement and sector deformed; Its two, can not meet vertical deflection requirement, when vertical corner appears in beam body, the bearing below central sill is subject to larger shearing force, thus causes bearing breakage to come off, cause central sill sink so that fracture; Its three, impact force suffered by device is large, and maintain and replace difficulty is large, must all interruptions of communication during replacing.
Comb plate and beam slab are directly fixed in the expansion bolt anchoring of beam end of body or by plantation bolt mode by common comb plate bridge expansion device, the free-extension needs of beam body are met by exporting gap reserved along the bridge, but due to the reason of structure, there is following defect: one, stretching device can not meet lateral deflection requirement, and when bridge beam body generation lateral rotation, the interphase interaction of comb plate is stressed, form larger shearing force to set bolt, bolt easily ruptures; Its two, device can not meet vertical deflection requirement, and device, without vertical rotating function, is only fixed on the bridge floor of beam-ends with rivet by this device, when
During device generation vertical deflection, device forms larger pulling capacity by rivet to beam body, causes nut loosen or come off; When frequent vibration load action is on device, device flexural deformation can be caused again, comb plate fractures, very easily cause traffic accident.
The board-like stretching device of comb with vertical rotating shaft, this stretching device is provided with the elongated vertical rotating shaft of direction across bridge in horizontal plane, the level angle of beam body is equaled to be linked as entirety, virtually be exaggerated level angle angle, instructions for use cannot be met, and concrete and comb plate are for being rigidly connected, lateral rotation shearing force directly acts on concrete, damages concrete; Be positioned at the impact in space owing to being subject to vertical rotating, comb plate directly contacts with concrete, and rotating shaft becomes reinforcing bar, once there is vertical rotating, forms great shear failure to concrete, forms larger pulling capacity to bolt simultaneously.
Utility model content
The utility model discloses a kind of interdigitated electrode structure damping displacement road surface stretching device, it comprises across seam comb plate and fixed fingers plate, describedly mutually to intersect with the comb of fixed fingers plate across seam comb plate and there is certain gap, it also comprises a damping displacement assembly, and described damping displacement assembly is located at described across stitching comb plate lower end and being connected across stitching comb plate with described;
Described damping displacement assembly comprises damping displacement case, heterotypic bolt, beam and reset filling member, in described damping displacement case, there is a cavity, described reset filling member is arranged in described cavity, the upper end that described beam conjugates case with described damping is connected, described heterotypic bolt wears from described damping displacement case upper end in described damping displacement case cavity, described heterotypic bolt upper end is fixedly connected with across stitching comb plate with described, and described heterotypic bolt lower end is limited in the cavity of described damping displacement case;
Described across seam comb plate transversely or vertical displacement time drive described heterotypic bolt to be shifted along respective direction, described heterotypic bolt resets under the effect of described reset filling member, and described heterotypic bolt resets to drive and describedly to reset across seam comb plate.
Preferably, described heterotypic bolt upper end is provided with screw thread, described across seam comb plate be provided with the screw mated with described screw thread, described heterotypic bolt is connected by described screw thread, screw with across stitching comb plate.
Preferably, described damping displacement case, bolt are made up of rigid material.
Preferably, described beam is one deck soft materials, and reset filling member is be full of the soft materials in described cavity.
Preferably, described heterotypic bolt is passed by an aperture of described damping displacement case upper end, and described hole diameter is greater than the diameter of described heterotypic bolt.
Preferably, described heterotypic bolt lower end comprises a barrier structure, and described barrier structure can not pass described aperture and is limited in by described heterotypic bolt in described damping displacement case.
Preferably, have the projective structure of two symmetries outside described damping displacement case, described projective structure is used for being connected the position conjugating case with fixing described damping with external stability assembly.
The utility model additionally provides a kind of damping displacement assembly, it is for the reset across seam comb plate, described damping displacement assembly comprises damping displacement case, heterotypic bolt, beam and reset filling member, in described damping displacement case, there is a cavity, described reset filling member is arranged in described cavity, the upper end that described beam conjugates case with described damping is connected, described heterotypic bolt wears from described damping displacement case upper end in described damping displacement case cavity, described heterotypic bolt upper end is fixedly connected with across stitching comb plate with described, described heterotypic bolt lower end is limited in the cavity of described damping displacement case,
Described across seam comb plate transversely or vertical displacement time drive described heterotypic bolt to be shifted along respective direction, described heterotypic bolt resets under the effect of described reset filling member, and described heterotypic bolt resets to drive and describedly to reset across seam comb plate.
Preferably, described heterotypic bolt upper end is provided with screw thread, described across seam comb plate be provided with the screw mated with described screw thread, described heterotypic bolt is connected by described screw thread, screw with across stitching comb plate; Described damping displacement case, bolt are made up of rigid material; Described beam is one deck soft materials, and described reset filling member is be full of the soft materials in described cavity.
Preferably, described heterotypic bolt is passed by an aperture of described damping displacement case upper end, and described hole diameter is greater than the diameter of described heterotypic bolt;
Described heterotypic bolt lower end comprises a barrier structure, and described barrier structure can not pass described aperture and is limited in by described heterotypic bolt in described damping displacement case.
The utility model has following beneficial effect:
(1) adopt flexible material as beam, there is good damping performance;
(2) beam alleviate vehicle by time high frequency tamping and the wearing and tearing of spring to device, load impact force can be absorbed by dampening assembly and transmit, while control noises to the amplification of both sides and diffusion, reduce the impact on periphery;
(3) by arranging soft reset filling member in damping displacement case, can be good at, to across the seam lateral deflection of comb plate, the reset of vertical deflection, extending the application life across seam comb plate;
(4) self structure of damping displacement assembly is simple, and mounting means is simple, makes with the cost safeguarded low.
Certainly, implement arbitrary product of the present utility model might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
The interdigitated electrode structure damping displacement road surface stretching device top view that Fig. 1 provides for the utility model embodiment;
The damping displacement assemble cross-section that Fig. 2 provides for the utility model embodiment;
The damping displacement assembly scheme of installation that Fig. 3 provides for the utility model embodiment.
Specific embodiment
embodiment one
As shown in Figure 1, the utility model embodiment discloses a kind of interdigitated electrode structure damping displacement road surface stretching device, it comprises across seam comb plate 1 and fixed fingers plate 2, mutually to intersect with the comb of fixed fingers plate 2 across seam comb plate 1 and there is certain gap, it also comprises a damping displacement assembly, and described damping displacement assembly is located at across seam comb plate 1 lower end and is connected with across stitching comb plate 1;
Described damping displacement assembly comprises damping displacement case 11, heterotypic bolt 12, beam 13 and reset filling member 14 as shown in Figure 2, in damping displacement case 11, there is a cavity, reset filling member 14 is arranged in described cavity, the upper end that beam 13 conjugates case 11 with damping is connected, heterotypic bolt 12 wears from damping displacement case 11 upper end in damping displacement case 11 cavity, heterotypic bolt 12 upper end is fixedly connected with across stitching comb plate 1, and heterotypic bolt 12 lower end is limited in the cavity of damping displacement case 11;
Across seam comb plate 1 transversely or vertical displacement time drive heterotypic bolt 12 along respective direction displacement, heterotypic bolt 12 resets under the effect of reset filling member 13, heterotypic bolt 12 reset drive across seam comb plate 1 reset.
In the present embodiment, the transverse shift of indication refers to and road surface or bridge median perpendicular or the horizontal shift close to vertical direction, vertical displacement refers to vertical with road surface or bridge or close to the displacement of vertical direction, and vertical shift refers to along bridge or road surface center line or the horizontal shift close to center line direction.
In the present embodiment, heterotypic bolt 12 upper end is provided with screw thread, and be provided with across seam comb plate 1 screw mated with described screw thread, heterotypic bolt 12 is connected by described screw thread, screw with across stitching comb plate.Certain the utility model can adopt other connected modes to be connected with across stitching comb plate by heterotypic bolt, the present embodiment adopts engagement thread connection to be convenient to install or change, and the utility model is not to heterotypic bolt 12 and be specifically limited across the connected mode of stitching comb plate 1.
The damping displacement case 11 that the present embodiment provides, heterotypic bolt 12 are made up of rigid material.The hard material that the present embodiment provides is Steel material, and other hardness can certainly be adopted higher than the metal material of steel, and the present embodiment is not specifically limited the material of damping displacement case 11 and heterotypic bolt 12.
The beam 13 that the present embodiment provides is one deck soft materials, and reset filling member 14 is for being full of the soft materials in described cavity.The soft materials that the present embodiment provides can for soft polyurethane ester material, also can make other can deformation the material of original form of reducing when external force disappears under the effect of external force, and the utility model is not specifically limited soft materials.
The heterotypic bolt 12 that the present embodiment provides is passed by an aperture of damping displacement case 11 upper end, and described hole diameter is greater than the diameter of described heterotypic bolt, and such heterotypic bolt 12 just has the space of a lateral deflection.Heterotypic bolt 12 lower end comprises a barrier structure, and described barrier structure can not pass described aperture and is limited in by heterotypic bolt 12 in described damping displacement case.Make heterotypic bolt can not depart from damping variable-speed case 11 while displacement by barrier structure, the shape of barrier structure can be circular, square etc., and any shape not by aperture can be implemented on barrier structure.
Have the projective structure of two symmetries outside damping that the present embodiment provides displacement case 11, described projective structure is used for carrying out with embedded bar welding, after welding location again pouring concrete with the position of fixing described damping displacement case.
Damping displacement assembly is by many reinforcing bars 20 through each projective structure as described in Figure 3, and such projective structure is just fixed by bar construction, makes whole damping displacement case 11 be fixed on a fixing position.
Embodiment two
Present embodiment discloses a kind of damping displacement assembly, as shown in Figure 2, it is for the reset across seam comb plate, it is characterized in that, described damping displacement assembly comprises damping displacement case 11, heterotypic bolt 12, beam 13 and reset filling member 14, in damping displacement case 11, there is a cavity, reset filling member 14 is arranged in described cavity, the upper end that beam 13 conjugates case 11 with damping is connected, heterotypic bolt 12 wears from damping displacement case 11 upper end in damping displacement case 11 cavity, heterotypic bolt 12 upper end is fixedly connected with across stitching comb plate 1, heterotypic bolt 12 lower end is limited in the cavity of damping displacement case 11,
Across seam comb plate 1 transversely or vertical displacement time drive heterotypic bolt 12 along respective direction displacement, heterotypic bolt 12 resets under the effect of reset filling member 13, heterotypic bolt 12 reset drive across seam comb plate 1 reset.
The damping displacement case 11 that the present embodiment provides, heterotypic bolt 12 are made up of rigid material.The hard material that the present embodiment provides is Steel material, and other hardness can certainly be adopted higher than the metal material of steel, and the present embodiment is not specifically limited the material of damping displacement case 11 and heterotypic bolt 12.
The beam 13 that the present embodiment provides is one deck soft materials, and reset filling member 14 is for being full of the soft materials in described cavity.The soft materials that the present embodiment provides can for soft polyurethane ester material, also can make other can deformation the material of original form of reducing when external force disappears under the effect of external force, and the utility model is not specifically limited soft materials.
The heterotypic bolt 12 that the present embodiment provides is passed by an aperture of damping displacement case 11 upper end, and described hole diameter is greater than the diameter of described heterotypic bolt, and such heterotypic bolt 12 just has the space of a lateral deflection.Heterotypic bolt 12 lower end comprises a barrier structure, and described barrier structure can not pass described aperture and is limited in by heterotypic bolt 12 in described damping displacement case.Make heterotypic bolt can not depart from damping variable-speed case 11 while displacement by barrier structure, the shape of barrier structure can be circular, square etc., and any shape not by aperture can be implemented on barrier structure.
Have the projective structure of two symmetries outside damping that the present embodiment provides displacement case 11, described projective structure is used for carrying out with embedded bar welding, after welding location again pouring concrete with the position of fixing described damping displacement case.
As Fig. 3, described damping displacement assembly is connected with each projective structure by many reinforcing bars 20, and such projective structure is just fixed by bar construction, makes whole damping displacement case 11 be fixed on a fixing position.
The utility model has following beneficial effect:
(1) adopt flexible material as beam, there is good damping performance;
(2) by arranging soft reset filling member in damping displacement case, can be good at, to the reset of horizontal, the vertical deflection across seam comb plate, extending the application life across seam comb plate;
(3) self structure of damping displacement assembly is simple, and mounting means is simple, makes with the cost safeguarded low.
Disclosed the utility model preferred embodiment just sets forth the utility model for helping above.Preferred embodiment does not have all details of detailed descriptionthe, does not limit the detailed description of the invention that this utility model is only described yet.Obviously, according to the content of this manual, can make many modifications and variations.This manual is chosen and is specifically described these embodiments, is to explain principle of the present utility model and practical application better, thus makes art technician understand well and to utilize the utility model.The utility model is only subject to the restriction of claims and four corner and equivalent.
Claims (10)
1. an interdigitated electrode structure damping displacement road surface stretching device, it comprises across seam comb plate and fixed fingers plate, describedly mutually to intersect with the comb of fixed fingers plate across seam comb plate and there is certain gap, it is characterized in that, also comprise a damping displacement assembly, described damping displacement assembly is located at described across stitching comb plate lower end and being connected across stitching comb plate with described;
Described damping displacement assembly comprises damping displacement case, heterotypic bolt, beam and reset filling member, in described damping displacement case, there is a cavity, described reset filling member is arranged in described cavity, the upper end that described beam conjugates case with described damping is connected, described heterotypic bolt wears from described damping displacement case upper end in described damping displacement case cavity, described heterotypic bolt upper end is fixedly connected with across stitching comb plate with described, and described heterotypic bolt lower end is limited in the cavity of described damping displacement case;
Described across seam comb plate transversely or vertical displacement time drive described heterotypic bolt to be shifted along respective direction, described heterotypic bolt resets under the effect of described reset filling member, and described heterotypic bolt resets to drive and describedly to reset across seam comb plate.
2. interdigitated electrode structure damping displacement road surface as claimed in claim 1 stretching device, it is characterized in that, described heterotypic bolt upper end is provided with screw thread, described across seam comb plate be provided with the screw mated with described screw thread, described heterotypic bolt is connected by described screw thread, screw with across stitching comb plate.
3. interdigitated electrode structure damping displacement road surface as claimed in claim 1 stretching device, is characterized in that, described damping displacement case, bolt are made up of rigid material.
4. interdigitated electrode structure damping displacement road surface as claimed in claim 1 stretching device, it is characterized in that, described beam is one deck soft materials, and reset filling member is be full of the soft materials in described cavity.
5. interdigitated electrode structure damping displacement road surface as claimed in claim 1 stretching device, is characterized in that, described heterotypic bolt is passed by an aperture of described damping displacement case upper end, and described hole diameter is greater than the diameter of described heterotypic bolt.
6. interdigitated electrode structure damping displacement road surface as claimed in claim 5 stretching device, it is characterized in that, described heterotypic bolt lower end comprises a barrier structure, and described barrier structure can not pass described aperture and is limited in by described heterotypic bolt in described damping displacement case.
7. interdigitated electrode structure damping displacement road surface as claimed in claim 1 stretching device, is characterized in that, have the projective structure of two symmetries outside described damping displacement case, described projective structure is used for being connected the position conjugating case with fixing described damping with external stability assembly.
8. a damping displacement assembly, it is for the reset across seam comb plate, it is characterized in that, described damping displacement assembly comprises damping displacement case, heterotypic bolt, beam and reset filling member, in described damping displacement case, there is a cavity, described reset filling member is arranged in described cavity, the upper end that described beam conjugates case with described damping is connected, described heterotypic bolt wears from described damping displacement case upper end in described damping displacement case cavity, described heterotypic bolt upper end is fixedly connected with across stitching comb plate with described, described heterotypic bolt lower end is limited in the cavity of described damping displacement case,
Described across seam comb plate transversely or vertical displacement time drive described heterotypic bolt to be shifted along respective direction, described heterotypic bolt resets under the effect of described reset filling member, and described heterotypic bolt resets to drive and describedly to reset across seam comb plate.
9. damping displacement assembly as claimed in claim 8, it is characterized in that, described heterotypic bolt upper end is provided with screw thread, described across seam comb plate be provided with the screw mated with described screw thread, described heterotypic bolt is connected by described screw thread, screw with across stitching comb plate; Described damping displacement case, bolt are made up of rigid material; Described beam is one deck soft materials, and described reset filling member is be full of the soft materials in described cavity.
10. damping displacement assembly as claimed in claim 8, is characterized in that, described heterotypic bolt is passed by an aperture of described damping displacement case upper end, and described hole diameter is greater than the diameter of described heterotypic bolt;
Described heterotypic bolt lower end comprises a barrier structure, and described barrier structure can not pass described aperture and is limited in by described heterotypic bolt in described damping displacement case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475420.0U CN204080623U (en) | 2014-08-21 | 2014-08-21 | A kind of interdigitated electrode structure damping displacement road surface stretching device and damping displacement assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475420.0U CN204080623U (en) | 2014-08-21 | 2014-08-21 | A kind of interdigitated electrode structure damping displacement road surface stretching device and damping displacement assembly |
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| CN204080623U true CN204080623U (en) | 2015-01-07 |
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| CN201420475420.0U Expired - Fee Related CN204080623U (en) | 2014-08-21 | 2014-08-21 | A kind of interdigitated electrode structure damping displacement road surface stretching device and damping displacement assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562928A (en) * | 2015-01-22 | 2015-04-29 | 宁波路宝科技实业集团有限公司 | Sinking preventing type bridge telescoping device |
| CN105256718A (en) * | 2015-10-28 | 2016-01-20 | 中铁第四勘察设计院集团有限公司 | Modular multidirectional displacement telescopic device and bridge |
-
2014
- 2014-08-21 CN CN201420475420.0U patent/CN204080623U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562928A (en) * | 2015-01-22 | 2015-04-29 | 宁波路宝科技实业集团有限公司 | Sinking preventing type bridge telescoping device |
| CN105256718A (en) * | 2015-10-28 | 2016-01-20 | 中铁第四勘察设计院集团有限公司 | Modular multidirectional displacement telescopic device and bridge |
| CN105256718B (en) * | 2015-10-28 | 2016-09-21 | 中铁第四勘察设计院集团有限公司 | Modularity multi-directional deflection retractor device and bridge |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |