CN214245315U - Earthquake-proof shock absorption structure for bridge - Google Patents
Earthquake-proof shock absorption structure for bridge Download PDFInfo
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- CN214245315U CN214245315U CN202022461336.1U CN202022461336U CN214245315U CN 214245315 U CN214245315 U CN 214245315U CN 202022461336 U CN202022461336 U CN 202022461336U CN 214245315 U CN214245315 U CN 214245315U
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- bridge
- internal thread
- shock absorption
- structure body
- shock
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- 230000035939 shock Effects 0.000 title claims abstract description 28
- 238000010521 absorption reaction Methods 0.000 title claims description 26
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 description 8
- 230000032683 aging Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model relates to a dull and stereotyped shell makes technical field, specifically is a seismic-proof shock-absorbing structure of prevention that bridge was used, including bridge shock-absorbing structure body and servo motor, the shock attenuation cushion has been installed on the top of bridge shock-absorbing structure body, spacing spout has been installed to the inside of bridge shock-absorbing structure body, spacing frame has been installed to the bottom of bridge shock-absorbing structure body, and the inside of spacing frame has installed spacing slider, the second spring has been installed to spacing slider's side, the connecting rod has been installed on spacing slider's surface. The utility model discloses be provided with first telescopic link and second telescopic link, make when producing vibrations and can make the second telescopic link contract toward the inside of first telescopic link, can effectively reduce the vibrations impact force that bridge shock-absorbing structure body received through this mode, through adjusting the interval between the internal thread block, can install the bridge shock-absorbing structure body in the bridge bottom of different widths and fix through this mode.
Description
Technical Field
The utility model relates to a bridge shock attenuation technical field specifically is a prevention earthquake's shock-absorbing structure that bridge was used.
Background
With the continuous development of modern cities, bridges are usually erected for facilitating traffic in the cities, and reinforcing structures are added on the bridges.
Because the bridge in the city all can have a large amount of vehicles to pass through every day, can produce vibrations when the vehicle passes through, so can make the junction of bridge appear ageing not hard up phenomenons such as for a long time to most of reinforced structure size is all fixed, can't adjust, but the width of bridge is many all inequality, consequently installs very trouble, consequently needs the earthquake-proof shock-absorbing structure that a bridge was used to solve above-mentioned problem urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seismic prevention shock-absorbing structure for bridge to the vehicle that provides in solving above-mentioned background art when passing through the bridge produce vibrations can cause the ageing not hard up and can't adjust the problem of reinforced structure size according to the width of bridge junction.
In order to achieve the above object, the utility model provides a following technical scheme: a shock absorption structure for preventing earthquake for a bridge comprises a bridge shock absorption structure body and a servo motor, wherein a shock absorption rubber pad is arranged at the top end of the bridge shock absorption structure body, a limiting sliding groove is arranged inside the bridge shock absorption structure body, a threaded rod is arranged inside the bridge shock absorption structure body, a first bevel gear is arranged on the surface of the threaded rod, an internal thread sliding block is arranged on the surface of the threaded rod, an internal thread clamping block is arranged at the top end of the internal thread sliding block, a fixing screw is inserted into the internal thread clamping block, a supporting column is arranged at the bottom end of the bridge shock absorption structure body, a first fixing plate is arranged inside the supporting column, the servo motor is arranged at the top end of the first fixing plate, an output shaft of the servo motor is connected with a second bevel gear, a fixing block is arranged on the surface of the supporting column, and a second fixing plate is arranged on the side surface of the fixing block, the bridge damping structure comprises a bridge damping structure body and is characterized in that a first telescopic rod is installed at the top end of a second fixing plate, a second telescopic rod is inserted into the first telescopic rod, a first spring is installed on the surface of the first telescopic rod, a limiting frame is installed at the bottom end of the bridge damping structure body, a limiting sliding block is installed inside the limiting frame, a second spring is installed on the side face of the limiting sliding block, and a connecting rod is installed on the surface of the limiting sliding block.
Preferably, the top end of the limiting sliding groove is provided with a rectangular groove, and the top end of the limiting sliding groove and the bottom end of the internal thread sliding block form a sliding type structure.
Preferably, the internal thread has been seted up to the inside of internal thread slider, and the inside of internal thread slider and the surface of threaded rod constitute spiral rotary type structure.
Preferably, the internal thread is provided in the internal thread block, and the internal thread block and the surface of the fixing screw form a spiral rotation structure.
Preferably, the bottom end of the first bevel gear is meshed with the side face of the second bevel gear, and the bottom end of the first bevel gear and the side face of the second bevel gear form a rotating structure.
Preferably, the inner diameter of the first telescopic rod is larger than the surface diameter of the second telescopic rod, and the inner part of the first telescopic rod and the surface of the second telescopic rod form a sliding structure.
Preferably, the inside of the limiting frame is provided with a sliding groove, and the inside of the limiting frame and the surface of the limiting sliding block form a sliding type structure.
Compared with the prior art, the beneficial effects of the utility model are that: this earthquake-proof shock-absorbing structure of prevention that bridge was used is provided with first telescopic link and second telescopic link, make the inside that can make the second telescopic link toward first telescopic link shrink when producing vibrations, and can cushion the impact force that vibrations produced through first spring, can effectively reduce the vibrations impact force that bridge shock-absorbing structure body received through this mode, through adjusting the interval between the internal thread block, can install bridge shock-absorbing structure body in the bridge bottom of different width and fix through this mode.
(1) The device is provided with first telescopic link and second telescopic link, installs first telescopic link and second telescopic link through the bottom at bridge shock-absorbing structure body, makes the second telescopic link to contract toward the inside of first telescopic link when producing vibrations, and can cushion the impact force that vibrations produced through first spring, and can reset through first spring, can effectively reduce the vibrations impact force that bridge shock-absorbing structure body received through this mode.
(2) The device can make the internal thread block of blocking carry out the horizontal slip through servo motor's rotation, through adjusting the interval between the internal thread block of blocking, can install the bridge shock-absorbing structure body in the bridge bottom of different width and fix through this mode.
Drawings
FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic front sectional view of the first and second telescopic rods of the present invention;
fig. 4 is an enlarged schematic view of a structure in fig. 1 according to the present invention.
In the figure: 1. a bridge damping structure body; 101. a shock-absorbing rubber pad; 102. a limiting chute; 2. a threaded rod; 201. a first bevel gear; 202. an internal thread slider; 203. an internal thread clamping block; 204. fixing screws; 3. a support pillar; 301. a first fixing plate; 302. a servo motor; 303. a second bevel gear; 4. a fixed block; 5. a second fixing plate; 501. a first telescopic rod; 502. a second telescopic rod; 503. A first spring; 504. a connecting rod; 505. a limiting frame; 506. a limiting slide block; 507. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a shock absorption structure for preventing earthquake for a bridge comprises a bridge shock absorption structure body 1 and a servo motor 302, wherein a shock absorption rubber pad 101 is arranged at the top end of the bridge shock absorption structure body 1, a limiting sliding chute 102 is arranged in the bridge shock absorption structure body 1, a rectangular groove is formed in the top end of the limiting sliding chute 102, the top end of the limiting sliding chute 102 and the bottom end of an internal thread sliding block 202 form a sliding structure, a threaded rod 2 is arranged in the bridge shock absorption structure body 1, a first conical gear 201 is arranged on the surface of the threaded rod 2, the bottom end of the first conical gear 201 is meshed with the side face of a second conical gear 303, the bottom end of the first conical gear 201 and the side face of the second conical gear 303 form a rotating structure, an internal thread sliding block 202 is arranged on the surface of the threaded rod 2, an internal thread is arranged in the internal thread sliding block 202, and a spiral rotating structure is formed by the inner part of the internal thread sliding block 202 and the surface of the threaded rod 2, the top of the internal thread slider 202 is provided with an internal thread block 203, an internal thread is provided inside the internal thread block 203, and the inside of the internal thread block 203 and the surface of the fixing screw 204 form a spiral rotating structure.
The fixing screw 204 is inserted into the internal thread clamping block 203, the support column 3 is installed at the bottom end of the bridge damping structure body 1, the first fixing plate 301 is installed inside the support column 3, the servo motor 302 is installed at the top end of the first fixing plate 301, the servo motor 302 is IHSS57-36-20, the output shaft of the servo motor 302 is connected with the second bevel gear 303, the fixing block 4 is installed on the surface of the support column 3, the second fixing plate 5 is installed on the side surface of the fixing block 4, the first telescopic rod 501 is installed at the top end of the second fixing plate 5, the inner diameter of the first telescopic rod 501 is larger than that of the second telescopic rod 502, the inner part of the first telescopic rod 501 and the surface of the second telescopic rod 502 form a sliding structure, the second telescopic rod 502 is inserted into the inner part of the first telescopic rod 501, the first spring 503 is installed on the surface of the first telescopic rod 501, the bottom end of the bridge damping structure body 1 is provided with a limiting frame 505, the inside of the limiting frame 505 is provided with a sliding chute, the inside of the limiting frame 505 and the surface of the limiting sliding block 506 form a sliding structure, the inside of the limiting frame 505 is provided with the limiting sliding block 506, the side surface of the limiting sliding block 506 is provided with a second spring 507, and the surface of the limiting sliding block 506 is provided with a connecting rod 504.
The working principle is as follows: during the use, when needing to reduce the bridge because of the vibrations that the vehicle traveles and produce, according to fig. 1, through installing bridge shock-absorbing structure body 1 in the bottom of bridge, when the bridge produced vibrations, can make second telescopic link 502 contract towards the inside of first telescopic link 501, the impact force of production can be cushioned through first spring 503, and can reset first telescopic link 501 and second telescopic link 502 through first spring 503, can reduce the vibrations that produce because of the vehicle traveles effectively through this mode.
When the bridge damping structure body 1 needs to be installed under bridges with different widths, according to fig. 1, the second bevel gear 303 can be rotated by rotation of the servo motor 302, the first bevel gear 201 can be rotated by rotation of the second bevel gear 303, the threaded rod 2 can be rotated by rotation of the first bevel gear 201, the internal thread slider 202 can be horizontally slid by rotation of the threaded rod 2, the internal thread clamping block 203 can be horizontally slid by horizontal sliding of the internal thread slider 202, and the bridge damping structure body 1 can be installed at the bottom ends of bridges with different widths by adjusting gaps between the internal thread clamping blocks 203.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a seismic prevention's shock-absorbing structure that bridge was used, includes bridge shock-absorbing structure body (1) and servo motor (302), its characterized in that: the shock absorption rubber mat (101) is installed at the top end of the bridge shock absorption structure body (1), the limiting sliding groove (102) is installed inside the bridge shock absorption structure body (1), the threaded rod (2) is installed inside the bridge shock absorption structure body (1), the first bevel gear (201) is installed on the surface of the threaded rod (2), the internal thread sliding block (202) is installed on the surface of the threaded rod (2), the internal thread clamping block (203) is installed at the top end of the internal thread sliding block (202), the fixing screw (204) is inserted into the internal thread clamping block (203), the supporting column (3) is installed at the bottom end of the bridge shock absorption structure body (1), the first fixing plate (301) is installed inside the supporting column (3), the servo motor (302) is installed at the top end of the first fixing plate (301), and the output shaft of the servo motor (302) is connected with the second bevel gear (303), fixed block (4) have been installed on the surface of support column (3), second fixed plate (5) have been installed to the side of fixed block (4), first telescopic link (501) have been installed on the top of second fixed plate (5), and the inside of first telescopic link (501) is inserted and is equipped with second telescopic link (502), first spring (503) have been installed on the surface of first telescopic link (501), spacing frame (505) have been installed to the bottom of bridge shock-absorbing structure body (1), and spacing slider (506) have been installed to the inside of spacing frame (505), second spring (507) have been installed to the side of spacing slider (506), connecting rod (504) have been installed to the surface of spacing slider (506).
2. The earthquake prevention shock absorption structure for a bridge according to claim 1, wherein: the top end of the limiting sliding groove (102) is provided with a rectangular groove, and the top end of the limiting sliding groove (102) and the bottom end of the internal thread sliding block (202) form a sliding type structure.
3. The earthquake prevention shock absorption structure for a bridge according to claim 1, wherein: the internal thread has been seted up to the inside of internal thread slider (202), and the inside of internal thread slider (202) and the surface of threaded rod (2) constitute spiral rotary type structure.
4. The earthquake prevention shock absorption structure for a bridge according to claim 1, wherein: the internal thread is seted up to the inside of internal thread block (203), and the surface of the inside of internal thread block (203) and set screw (204) constitutes spiral rotary type structure.
5. The earthquake prevention shock absorption structure for a bridge according to claim 1, wherein: the bottom end of the first bevel gear (201) is meshed with the side face of the second bevel gear (303), and the bottom end of the first bevel gear (201) and the side face of the second bevel gear (303) form a rotating structure.
6. The earthquake prevention shock absorption structure for a bridge according to claim 1, wherein: the inner diameter of the first telescopic rod (501) is larger than the surface diameter of the second telescopic rod (502), and the inner part of the first telescopic rod (501) and the surface of the second telescopic rod (502) form a sliding structure.
7. The earthquake prevention shock absorption structure for a bridge according to claim 1, wherein: the inside of the limiting frame (505) is provided with a sliding groove, and the inside of the limiting frame (505) and the surface of the limiting sliding block (506) form a sliding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461336.1U CN214245315U (en) | 2020-10-30 | 2020-10-30 | Earthquake-proof shock absorption structure for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461336.1U CN214245315U (en) | 2020-10-30 | 2020-10-30 | Earthquake-proof shock absorption structure for bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214245315U true CN214245315U (en) | 2021-09-21 |
Family
ID=77730781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022461336.1U Expired - Fee Related CN214245315U (en) | 2020-10-30 | 2020-10-30 | Earthquake-proof shock absorption structure for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214245315U (en) |
-
2020
- 2020-10-30 CN CN202022461336.1U patent/CN214245315U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |