CN216405085U - Shallow formula bridge telescoping device that buries - Google Patents
Shallow formula bridge telescoping device that buries Download PDFInfo
- Publication number
- CN216405085U CN216405085U CN202122483106.XU CN202122483106U CN216405085U CN 216405085 U CN216405085 U CN 216405085U CN 202122483106 U CN202122483106 U CN 202122483106U CN 216405085 U CN216405085 U CN 216405085U
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- Prior art keywords
- bridge
- spring
- telescopic
- pier
- block
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000013016 damping Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 15
- 230000035939 shock Effects 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge expansion, in particular to a shallow-buried bridge expansion device which improves the damping effect between a base and a pier of a bridge, improves the stability of a vehicle passing through the bridge, improves the driving experience of a driver and improves the practicability; be provided with three damper of group between bridge floor and the movable block, wherein a set of damper includes first spring, the top and the bottom of first spring are connected with the bottom of bridge floor and the top of movable block through first cushion and second cushion respectively, the top of pier is provided with two sets of telescopic machanism, wherein a set of telescopic machanism includes flexible piece, the top left part at the pier is installed to the fixed plate, through two sets of second spring coupling between fixed plate and the flexible piece, the bottom of first safety cover is provided with the second safety cover, the bottom of second safety cover is provided with multiunit bradyseism mechanism, the top sliding connection of slide mechanism and pier is passed through to the bottom of flexible piece.
Description
Technical Field
The utility model relates to the technical field of bridge expansion, in particular to a shallow-buried bridge expansion device.
Background
As is known, the expansion device is used for highway bridges, in order to meet the deformation of bridge floors, the expansion device is arranged between two beam ends, between the beam ends and a bridge abutment or on the hinged position of the bridge, the expansion device is required to freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, the expansion device is firm and reliable, when a vehicle runs, the vehicle is smooth and free of sudden jump and noise, rainwater and garbage soil can be prevented from being infiltrated and blocked, the installation, the inspection, the maintenance and the dirt elimination are simple and convenient, and at the position of the set expansion joints, railings and the bridge floors are paved to be disconnected.
The shock attenuation operation that stretches out and draws back between the base of bridge and the pier that current telescoping device can not be fine, makes the vehicle at the in-process through the bridge, leads to the shock attenuation nature of bridge relatively poor, influences driver's driving experience, has reduced the life of bridge, has certain limitation, consequently needs a shallow formula bridge telescoping device that buries.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the shallow-buried bridge expansion device which improves the damping effect between the base and the pier of the bridge, improves the stability of a vehicle passing through the bridge, improves the driving experience of a driver, prolongs the service life of the bridge and improves the practicability.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a shallow-buried bridge expansion device comprises a bridge floor, bridge piers, a movable block, a first spring, a first cushion block, a second cushion block, an expansion block, a fixed plate, a second spring and a first protective cover, wherein three groups of damping mechanisms are arranged between the bridge floor and the movable block, one group of damping mechanism comprises the first spring, the top end and the bottom end of the first spring are respectively connected with the bottom end of the bridge floor and the top end of the movable block through the first cushion block and the second cushion block, two groups of expansion mechanisms are arranged at the top end of the bridge piers, one group of expansion mechanism comprises the expansion block, the fixed plate is arranged at the left part of the top end of the bridge piers, the fixed plate and the expansion block are connected through two groups of second springs, an expansion column and an expansion link are arranged inside each group of the second spring, the right end of the expansion column is slidably connected with the left end of the expansion link, the left end of the expansion column and the right end of the expansion link are respectively connected with the right end of the fixed plate and the left end of the expansion block, the first protection cover is installed in the bottom region of bridge floor, and the bottom of first protection cover is provided with the second safety cover, and the bottom of second safety cover is provided with multiunit bradyseism mechanism, and sliding mechanism and the top sliding connection of pier are passed through to the bottom of flexible piece.
Preferably, every group bradyseism mechanism all includes third spring and third cushion, and the bottom of second safety cover is provided with the third spring, and the third cushion is installed on pier top, and the bottom of third spring is connected with the top of third cushion.
Furthermore, slide mechanism includes two sets of sliders, and two sets of sliders parallel mount are on the top of pier, and the bottom of flexible piece is provided with two sets of slides and respectively with two sets of slider sliding connection.
Still further, the front end of second safety cover is provided with two sets of access doors, and every access door of group all rotates through the hinge and installs on the top of second safety cover, all is provided with the handle on every access door of group.
On the basis of the scheme, each group of access doors is provided with an observation window.
Furthermore, the opposite surfaces of each group of telescopic blocks are provided with limiting blocks.
(III) advantageous effects
Compared with the prior art, the shallow buried bridge expansion device provided by the utility model has the following beneficial effects.
This shallow formula bridge telescoping device that buries, through the bridge floor, the pier, the movable block, first cushion, the cooperation of first spring and second cushion, the action force on bridge floor vertical in the pier top carries out the bradyseism operation, through the fixed plate, the cooperation of flexible piece and second spring, carry out the shock attenuation operation to the fore-and-aft action force of movable block, cooperation through flexible post and telescopic link, the stability of second spring when flexible has been improved, cooperation through first safety cover and second safety cover, protect the operation to the device body, the shock attenuation effect between the base of bridge and the pier has been improved, the stability of vehicle when the process bridge has been improved, driver's driving experience has been improved, the service life of bridge has been improved, the practicality has been improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of a front view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 1 according to the present invention;
FIG. 5 is a schematic view of a connection structure of the pier, the telescopic block and the slider in FIG. 1 according to the present invention.
In the drawings, the reference numbers: 1. a bridge deck; 2. a bridge pier; 3. a moving block; 4. a first cushion block; 5. a first spring; 6. a second cushion block; 7. a fixing plate; 8. a telescopic block; 9. a second spring; 10. a telescopic column; 11. a telescopic rod; 12. a first protective cover; 13. a second protective cover; 14. a third spring; 15. a third cushion block; 16. a slider; 17. an access door; 18. hinge; 19. a handle; 20. an observation window; 21. and a limiting block.
Detailed Description
Examples
Referring to fig. 1-5, a shallow-buried bridge expansion device comprises a bridge deck 1, piers 2, a movable block 3, a first spring 5, a first cushion block 4, a second cushion block 6, an expansion block 8, a fixed plate 7, a second spring 9 and a first protective cover 12, wherein three sets of damping mechanisms are arranged between the bridge deck 1 and the movable block 3, one set of damping mechanism comprises the first spring 5, the top end and the bottom end of the first spring 5 are respectively connected with the bottom end of the bridge deck 1 and the top end of the movable block 3 through the first cushion block 4 and the second cushion block 6, two sets of expansion mechanisms are arranged at the top end of the piers 2, one set of expansion mechanism comprises an expansion block 8, the fixed plate 7 is arranged at the left part of the top end of the piers 2, the fixed plate 7 is connected with the expansion block 8 through the two sets of second springs 9, an expansion column 10 and an expansion rod 11 are arranged inside each set of the second spring 9, the right end of the expansion column 10 is connected with the left end of the expansion rod 11 in a sliding manner, the left end of a telescopic column 10 and the right end of a telescopic rod 11 are respectively connected with the right end of a fixed plate 7 and the left end of a telescopic block 8, a first protective cover 12 is arranged at the bottom area of a bridge floor 1, a second protective cover 13 is arranged at the bottom end of the first protective cover 12, a plurality of groups of shock absorption mechanisms are arranged at the bottom end of the second protective cover 13, the bottom end of the telescopic block 8 is in sliding connection with the top end of a pier 2 through a sliding mechanism, the shallow-buried bridge expansion device performs shock absorption operation on the acting force of the bridge floor 1 in the longitudinal direction of the pier 2 through the matching of the bridge floor 1, the pier 2, a movable block 3, a first cushion block 4, a first spring 5 and a second cushion block 6, performs shock absorption operation on the acting force of the movable block 3 in the longitudinal direction through the matching of the fixed plate 7, the telescopic block 8 and the second spring 9, and improves the stability of the second spring 9 during expansion and contraction through the matching of the telescopic column 10 and the telescopic rod 11, the device body is protected by matching the first protective cover 12 and the second protective cover 13, the shock absorption effect between a base and a bridge pier of the bridge is improved, the stability of a vehicle passing through the bridge is improved, the driving experience of a driver is improved, the service life of the bridge is prolonged, the practicability is improved, each group of shock absorption mechanisms comprises a third spring 14 and a third cushion block 15, the bottom end of the second protective cover 13 is provided with the third spring 14, the third cushion block 15 is installed at the top end of the bridge pier 2, the bottom end of the third spring 14 is connected with the top end of the third cushion block 15, the shock absorption operation is carried out on the second protective cover 13 and the first protective cover 12 through the matching of the third spring 14 and the third cushion block 15, the stability of the first protective cover 12 and the second protective cover 13 is improved, the sliding mechanism comprises two groups of sliding blocks 16, the two groups of sliding blocks 16 are installed at the top end of the bridge pier 2 in parallel, the bottom end of the telescopic block 8 is provided with two groups of sliding ways which are respectively connected with the sliding blocks 16 in a sliding way, by installing the slider 16, the stability of the telescopic block 8 when moving on the top end of the pier 2 is improved.
It should also be noted that, the front end of second safety cover 13 is provided with two sets of access doors 17, every group of access doors 17 all rotates through hinge 18 and installs on the top of second safety cover 13, all be provided with handle 19 on every group of access door 17, through access door 17, hinge 18 and handle 19's cooperation, make things convenient for the workman to carry out maintenance operation to the device, all be provided with observation window 20 on every group of access door 17, through installing observation window 20, make things convenient for the workman to observe the operation to the device is inside, the opposite face of every group expansion block 8 all is provided with stopper 21, carry out spacing operation to expansion block 8 through installing stopper 21, and the practicability is improved.
To sum up, this shallow formula bridge telescoping device that buries's theory of operation and course do, when the bridge floor has the vehicle to pass through, pass through first cushion 4 with the power that bridge floor 1 produced, first spring 5 and second cushion 6 transmit to the top of movable block 3, the bottom through movable block 3 contacts with the top of two sets of flexible pieces 8, flexible operation through second spring 9 makes movable block 3 slowly translation downwards, flexible operation is carried out to flexible piece 8 through the cooperation of flexible post 10 and telescopic link 11, protect the operation and carry out the shock attenuation through third spring 14 and third cushion 15 to the device through first safety cover 12 and second safety cover 13, observe the device inside through observation window 20, open access door 17 through handle 19, it can to maintain the device.
Claims (6)
1. The utility model provides a shallow formula bridge telescoping device that buries, includes bridge floor (1), pier (2), movable block (3), first spring (5), first cushion (4), second cushion (6), flexible piece (8), fixed plate (7), second spring (9) and first protection casing (12), its characterized in that: three groups of damping mechanisms are arranged between the bridge deck (1) and the moving block (3), one group of damping mechanisms comprises a first spring (5), the top end and the bottom end of the first spring (5) are respectively connected with the bottom end of the bridge deck (1) and the top end of the moving block (3) through a first cushion block (4) and a second cushion block (6), the top end of the bridge pier (2) is provided with two groups of telescopic mechanisms, one group of telescopic mechanisms comprises a telescopic block (8), a fixed plate (7) is arranged at the left part of the top end of the bridge pier (2), the fixed plate (7) and the telescopic block (8) are connected through two groups of second springs (9), a telescopic column (10) and a telescopic rod (11) are arranged inside each group of second springs (9), the right end of the telescopic column (10) is slidably connected with the left end of the telescopic rod (11), the left end of the telescopic column (10) and the right end of the telescopic rod (11) are respectively connected with the right end of the fixed plate (7) and the left end of the telescopic block (8), the bottom region at bridge floor (1) is installed in first safety cover (12), and the bottom of first safety cover (12) is provided with second safety cover (13), and the bottom of second safety cover (13) is provided with multiunit bradyseism mechanism, and the top sliding connection of sliding mechanism and pier (2) is passed through to the bottom of flexible piece (8).
2. The shallow buried bridge expansion device of claim 1, wherein: every group the bradyseism mechanism all includes third spring (14) and third cushion (15), and the bottom of second safety cover (13) is provided with third spring (14), and third cushion (15) are installed on pier (2) top, and the bottom of third spring (14) is connected with the top of third cushion (15).
3. The shallow buried bridge expansion device of claim 2, wherein: the sliding mechanism comprises two groups of sliding blocks (16), the two groups of sliding blocks (16) are arranged on the top end of the pier (2) in parallel, and the bottom end of the telescopic block (8) is provided with two groups of slideways and is respectively connected with the two groups of sliding blocks (16) in a sliding mode.
4. The shallow buried bridge expansion device of claim 3, wherein: the front end of second safety cover (13) is provided with two sets of access door (17), and every access door of group (17) all rotates through hinge (18) and installs on the top of second safety cover (13), all is provided with handle (19) on every access door of group (17).
5. The shallow buried bridge expansion device of claim 4, wherein: each group of access doors (17) is provided with an observation window (20).
6. The shallow buried bridge expansion device of claim 5, wherein: and the opposite surface of each group of the telescopic blocks (8) is provided with a limiting block (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122483106.XU CN216405085U (en) | 2021-10-14 | 2021-10-14 | Shallow formula bridge telescoping device that buries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122483106.XU CN216405085U (en) | 2021-10-14 | 2021-10-14 | Shallow formula bridge telescoping device that buries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216405085U true CN216405085U (en) | 2022-04-29 |
Family
ID=81295814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122483106.XU Expired - Fee Related CN216405085U (en) | 2021-10-14 | 2021-10-14 | Shallow formula bridge telescoping device that buries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216405085U (en) |
-
2021
- 2021-10-14 CN CN202122483106.XU patent/CN216405085U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220519 Address after: 310004 room 9C, building 43, Kyoto Garden, Xiacheng District, Hangzhou City, Zhejiang Province Patentee after: Gong Yiqiong Patentee after: Chen Hang Address before: 310004 room 9C, building 43, Kyoto Garden, Xiacheng District, Hangzhou City, Zhejiang Province Patentee before: Gong Yiqiong |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |