CN207484273U - A kind of girder falling bridge structure - Google Patents
A kind of girder falling bridge structure Download PDFInfo
- Publication number
- CN207484273U CN207484273U CN201721468200.5U CN201721468200U CN207484273U CN 207484273 U CN207484273 U CN 207484273U CN 201721468200 U CN201721468200 U CN 201721468200U CN 207484273 U CN207484273 U CN 207484273U
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- bottom end
- cylinder
- beam body
- bridge
- stent
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Abstract
The utility model discloses a kind of girder falling bridge structures, including beam body, the bottom end of the beam body is equipped with bridge pier, the bridge pier is connected by bridge chair with beam body, pass through whippletree between the bridge chair, the top dead center position left and right ends of the whippletree are equipped with stent, flange is equipped at left and right sides of the beam body, the right side of the flange is equipped with the first hollow cylinder, the inner hub location partition board of the hollow cylinder, cross bar is equipped at left and right sides of the partition board, the outer wall of the cross bar is socketed with the first compressed spring, the right side of the cross bar is equipped with block, cylinder is equipped at left and right sides of the top of the stent, the cylinder is connected by first rotating shaft with stent, the bottom end of the cylinder is equipped with drawstring, the drawstring is connected by the chain of rings with beam body, the inner hub location of the cylinder is equipped with ratchet.The girder falling bridge structure, this has reached the anti-fall benefit to beam transverse and longitudinal, the benefit in case of emergency quickly preventing bridge from falling.
Description
Technical field
The utility model is related to bridge technology field, specially a kind of girder falling bridge structure.
Background technology
At present, Bridges in Our Country Aseismic Design is mainly to emphasize the intensity of Guo bodies, i.e., pier body how to be made not occur in earthquake
Collapse, used anti-fall beam construction is that beam falling prevention stopping block is fixedly installed on pier body, by the lateral displacement amount of beam and longitudinal direction
Displacement control in certain range, still, due between beam body and pier body, beam body and beam body lack contact, when earthquake intensity compared with
Come impact when attacking, acutely shaken by beam body, earthquake region majority bridge all receives destruction for high earthquake, such as application No. is：
201320122386.4 patent, including having beam bodies, the pier body and two beams in two in the top of the pier body by seat supports
Cable arrangement is provided between body, cable arrangement is by pier body anchoring part and beam body anchoring part and is connected to pier body anchoring part and beam body anchoring part
Between drag-line form, although meeting while the stress relative distribution of drag-line, extend the service life of drag-line, can not meet
To the anti-fall benefit of beam transverse and longitudinal, it is impossible to the benefit in case of emergency quickly preventing bridge from falling.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of girder falling bridge structure
Problem.
To achieve the above object, the utility model provides following technical solution：A kind of girder falling bridge structure, including beam
Body, the bottom end of the beam body are equipped with bridge pier, and the bridge pier is connected by bridge chair with beam body, passes through whippletree, institute between the bridge chair
The top dead center position left and right ends for stating whippletree are equipped with stent, and flange, the flange are equipped at left and right sides of the beam body
Right side be equipped with hollow cylinder, the inner hub location partition board of the hollow cylinder is equipped with cross bar at left and right sides of the partition board, institute
The outer wall for stating cross bar is socketed with the first compressed spring, and the right side of the cross bar is equipped with block, the top left and right sides of the stent
Cylinder is equipped with, the cylinder is connected by first rotating shaft with stent, and the bottom end of the cylinder is equipped with drawstring, and the drawstring passes through
The chain of rings is connected with beam body, and the inner hub location of the cylinder is equipped with ratchet, and the left side of the ratchet is equipped with horizontal block, the horizontal block
Bottom end is equipped with crossbearer, and the crossbearer is connected by the second compressed spring with horizontal block, and the bottom end of the crossbearer is equipped with card frame, the card
The left side bottom end of frame is provided with sliding slot, and the sliding slot is internally provided with axis pin, and the right side of the ratchet is equipped with straight block, the straight block
Bottom end, which is equipped with to draw, stretches spring, described that the bottom end for stretching spring is drawn to be equipped with kelly, and the top of the kelly is equipped with connecting shaft, the cylinder
Center is equipped with scroll spring.
Preferably, it is equipped with straight tube on the left of the bottom end of the bridge pier, the straight tube is internally provided with third compressed spring, described
The left side of third compressed spring is equipped with baffle, and the baffle is connected by third compressed spring with bridge pier, the top of the baffle
Right side is equipped with second connecting rod, and the right side of the second connecting rod is equipped with first connecting rod, and the first connecting rod passes through the second shaft and the
Two connecting rods are connected.
Preferably, it is described that the outer wall for stretching spring is drawn to be socketed with sleeve.
Preferably, it is equipped with cushion block at left and right sides of the bottom end of the stent.
Preferably, the outer wall of second shaft is equipped with plastic film.
Compared with prior art, the beneficial effects of the utility model are：The girder falling bridge structure, drawstring is due to scrollwork bullet
The volume power of spring is tightened, and ensures to stablize, and when accident or earthquake occurs, beam body falls, and generates downwards quick
Pulling force, and drawstring is pullled, due to quick movement suddenly, due to the effect of centrifugal force, crossbearer is pushed up in kelly elongation
It touching, crossbearer is moved with axis pin, and in sliding slot internal slide, and axis pin is moved with card frame, when card frame moves to extreme position,
The pawl on surface is stuck on the ratchet of ratchet, and cylinder is fixed, and drawstring cannot move, since drawstring and stent also have whippletree
Triangle is formed, during beam body transverse movement, since connecting rod is fixed, and since the first compressed spring has cushioning effect by flange,
The anti-fall benefit to beam transverse and longitudinal is reached, the benefit in case of emergency quickly preventing bridge from falling.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structure diagram of the utility model top side view；
Fig. 3 is the structure diagram of the utility model cylinder interior side view；
Fig. 4 is the structure diagram on the right side of the utility model ratchet；
Fig. 5 is the structure diagram of the utility model cylinder interior front view；
Fig. 6 is the structure diagram of the utility model bridge pier bottom end.
In figure：1st, beam body, 2, bridge chair, 3, bridge pier, 4, stent, 5, drawstring, 6, cylinder, 7, first rotating shaft, 8, a chain of, 9, method
Orchid, 10, whippletree, 11, cross bar, the 12, first compressed spring, 13, block, 14, hollow cylinder, 15, partition board, 16, horizontal block, 17, second
Compressed spring, 18, crossbearer, 19, third compressed spring, 20, sliding slot, 21, axis pin, 22, card frame, 23, ratchet, 24, straight block, 25,
Spring is stretched in drawing, and 26, sleeve, 27, connecting shaft, 28, kelly, 29, scroll spring, 30, first connecting rod, the 31, second shaft, 32, plastic cement
Film, 33, second connecting rod, 34, baffle, 35, straight tube, 36, cushion block.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 6 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of girder falling bridge structure, including beam body 1,
Beam body 1 is the part of bridge floor in bridge, is significant subject part, and the bottom end of beam body 1 is equipped with bridge pier 3, and bridge pier 3 plays in bridge
The effect of support, bridge pier 3 are connected by bridge chair 2 with beam body 1, and bridge chair 2 is the structure of carrying beam body 1, passes through horizontal stroke between bridge chair 2
Thick stick 10,10 bearing support 4 of whippletree, the top dead center position left and right ends of whippletree 10 are equipped with stent 4, and stent 4 is to the anti-of beam body 1
It falls part and plays the role of carrying, the left and right sides of beam body 1 is equipped with flange 9, and cross bar 11 is fixed on the outer of beam body 1 by flange 9
Wall, the right side of flange 9 are equipped with hollow cylinder 14, and hollow cylinder 14 carries cross bar 11, the inner hub location partition board 15 of hollow cylinder 14, every
Plate 15 separates the cross bar 11 on both sides, and the left and right sides of partition board 15 is equipped with cross bar 11, and cross bar 11 plays the function of connection, horizontal
The outer wall of bar 11 is socketed with the first compressed spring 12, and the coefficient of elasticity of the first compressed spring 12 is 100N/CM, the first compressed spring
12 elasticity limits cross bar 11, plays the role of damping, and the right side of cross bar 11 is equipped with block 13, and block 13 makes first
Compressed spring 12, which is blocked, not to be fallen off, and cylinder 6 is equipped at left and right sides of the top of stent 4, and the lock of girder falling is carried in the inside of cylinder 6
Tight mechanism, cylinder 6 are connected by first rotating shaft 7 with stent 4, and first rotating shaft 7 can rotate 1 and internal structure can be driven to turn
It is dynamic, play the role of transmission, the bottom end of cylinder 6 is equipped with drawstring 5, and drawstring 5 holds beam body 1, prevents it from falling, and drawstring 5 is logical
It crosses the chain of rings 8 with beam body 1 to be connected, the chain of rings 8 is the medium of connection, and the inner hub location of cylinder 6 is equipped with ratchet 23, and ratchet 23 is card
The pith of tight part, the left side of ratchet 23 are equipped with horizontal block 16, and horizontal block 16 is to carry the carrier of the second compressed spring 17, and second
The medium that the coefficient of elasticity of compressed spring 17 is 50N/CM and the second compressed spring 17 is connected with cylinder 6,16 bottom end of horizontal block is set
There is crossbearer 18, crossbearer 18 carries axis pin 21, and for axis pin 21 as crossbearer 18 is in 20 internal slide of sliding slot, movement passes through the second compression bullet
Spring 17 is connected with horizontal block 16, and the bottom end of crossbearer 18 is equipped with card frame 22, and for card frame 22 on rotating cylinder 6,22 right side of card frame is equipped with pawl, spine
Pawl can block the tooth of ratchet, and the left side bottom end of card frame 22 is provided with sliding slot 20, and sliding slot 20 is internally provided with axis pin 21, ratchet 23
Right side is equipped with straight block 24, and the bottom end of straight block 24, which is equipped with to draw, stretches spring 25, and the coefficient of elasticity that spring 25 is stretched in drawing is 20N/CM, and bullet is stretched in drawing
The bottom end of spring 25 is equipped with kelly 28, and drawing stretches spring 25 and pulling force is generated to kelly 28, and the top of kelly 28 is equipped with connecting shaft 27, connecting shaft 27
Kelly 28 is rotated, the center of cylinder 6 is equipped with scroll spring 29, and the coefficient of elasticity of scroll spring 29 is 100N/CM,
Scroll spring 29 rotates first rotating shaft 7, tightens drawstring 5, and beam body 1 is made to keep balance, is equipped on the left of the bottom end of bridge pier 3
Straight tube 35, straight tube 35 carry third compressed spring 19, and the coefficient of elasticity of third compressed spring is 30N/CM, and the inside of straight tube 35 is set
There is third compressed spring 19, the left side of third compressed spring 19 is equipped with baffle 34, and third compressed spring 34 plays the work of damping
With baffle 34 is connected by third compressed spring 19 with bridge pier 3, and baffle 34 is to be knocked face, bridge pier 3 is protected, baffle
Be equipped with second connecting rod 33 on the right side of 34 top, second connecting rod 33 under the action of the second shaft 31 with 30 doubling of first connecting rod, into
Row secondary shock-absorbing, the right side of second connecting rod 33 are equipped with first connecting rod 30, and first connecting rod 30 passes through the second shaft 31 and second connecting rod
33 are connected, and the outer wall for stretching spring 25 is drawn to be socketed with sleeve 26, and sleeve 26, which prevents from drawing, to be stretched spring 25 and be bent, bottom end of stent 4 or so
Both sides are equipped with cushion block 36, and cushion block 36 ensures the stability of stent 4, and the outer wall of the second shaft 31 is equipped with plastic film 32, plastic film
32 the second shafts 31 of protection.
Beam body 1 is located on bridge chair 2, supports holding stability by bridge pier 3, under general state, drawstring 5 is due to scroll spring
29 volume power is tightened, and ensures to stablize, and when accident or earthquake occurs, beam body 1 falls, and generates downwards quick
Pulling force, and drawstring 5 is pullled, due to quick movement suddenly, due to the effect of centrifugal force, kelly 28 extends, by crossbearer 18
It is contacted, crossbearer 18 is moved with axis pin 21, and in 20 internal slide of sliding slot, and axis pin 21 is moved with card frame 22, card frame 22
When moving to extreme position, the pawl on surface is stuck on the ratchet of ratchet 23, and cylinder 6 is fixed, and drawstring 5 cannot be transported
It is dynamic, since drawstring 5 and stent 4 also have whippletree 10 to form triangle, make beam body 1 that longitudinal direction be avoided to fall, during 1 transverse movement of beam body,
It, can by the 1 separated place of beam body of connection since connecting rod 11 is fixed, and since the first compressed spring 12 has cushioning effect by flange 9
With stable connection, avoid laterally falling.
In the description of the present invention, it is to be appreciated that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " forepart ", " center ", the orientation of the instructions such as " both ends " or position close
Be for based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and simplify description rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot
It is construed as a limitation of the present invention.
In the utility model unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
It is fixed ", the terms such as " being screwed on " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；
Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, it can be with
It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of girder falling bridge structure, including beam body (1), it is characterised in that：The bottom end of the beam body (1) is equipped with bridge pier (3),
The bridge pier (3) is connected by bridge chair (2) with beam body (1), passes through whippletree (10), the whippletree (10) between the bridge chair (2)
Top dead center position left and right ends be equipped with stent (4), be equipped with flange (9), the method at left and right sides of the beam body (1)
The right side of blue (9) is equipped with hollow cylinder (14), the inner hub location partition board (15) of the hollow cylinder (14), the partition board (15)
The left and right sides is equipped with cross bar (11), and the outer wall of the cross bar (11) is socketed with the first compressed spring (12), the cross bar (11)
Right side be equipped with block (13), be equipped with cylinder (6) at left and right sides of the top of the stent (4), the cylinder (6) passes through first
Shaft (7) is connected with stent (4), and the bottom end of the cylinder (6) is equipped with drawstring (5), and the drawstring (5) passes through a chain of (8) and beam
Body (1) is connected, and the inner hub location of the cylinder (6) is equipped with ratchet (23), and the left side of the ratchet (23) is equipped with horizontal block
(16), horizontal block (16) bottom end is equipped with crossbearer (18), and the crossbearer (18) passes through the second compressed spring (17) and horizontal block (16)
It is connected, the bottom end of the crossbearer (18) is equipped with card frame (22), and the left side bottom end of the card frame (22) is provided with sliding slot (20), the cunning
Slot (20) is internally provided with axis pin (21), and the right side of the ratchet (23) is equipped with straight block (24), and the bottom end of the straight block (24) is set
There is drawing to stretch spring (25), described that the bottom end for stretching spring (25) is drawn to be equipped with kelly (28), the top of the kelly (28) is equipped with connecting shaft
(27), the center of the cylinder (6) is equipped with scroll spring (29).
2. a kind of girder falling bridge structure according to claim 1, it is characterised in that：On the left of the bottom end of the bridge pier (3)
Equipped with straight tube (35), the straight tube (35) is internally provided with third compressed spring (19), a left side for the third compressed spring (19)
Side is equipped with baffle (34), and the baffle (34) is connected by third compressed spring (19) with bridge pier (3), the top of the baffle (34)
End right side is equipped with second connecting rod (33), and the right side of the second connecting rod (33) is equipped with first connecting rod (30), the first connecting rod
(30) it is connected by the second shaft (31) with second connecting rod (33).
3. a kind of girder falling bridge structure according to claim 1, it is characterised in that：It is described to draw the outer wall for stretching spring (25)
It is socketed with sleeve (26).
4. a kind of girder falling bridge structure according to claim 1, it is characterised in that：Bottom end of the stent (4) or so
Both sides are equipped with cushion block (36).
5. a kind of girder falling bridge structure according to claim 2, it is characterised in that：The outer wall of second shaft (31)
Equipped with plastic film (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721468200.5U CN207484273U (en) | 2017-11-06 | 2017-11-06 | A kind of girder falling bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721468200.5U CN207484273U (en) | 2017-11-06 | 2017-11-06 | A kind of girder falling bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207484273U true CN207484273U (en) | 2018-06-12 |
Family
ID=62475592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721468200.5U Expired - Fee Related CN207484273U (en) | 2017-11-06 | 2017-11-06 | A kind of girder falling bridge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207484273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227235A (en) * | 2020-11-13 | 2021-01-15 | 重庆交通大学 | Bridge is consolidated and is prevented roof beam body structure that falls |
| CN112482196A (en) * | 2020-12-03 | 2021-03-12 | 中国地震局工程力学研究所 | Self-reaction type anti-falling beam structure |
| CN112554041A (en) * | 2020-12-04 | 2021-03-26 | 许昌学院 | Compound girder for bridge construction |
-
2017
- 2017-11-06 CN CN201721468200.5U patent/CN207484273U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227235A (en) * | 2020-11-13 | 2021-01-15 | 重庆交通大学 | Bridge is consolidated and is prevented roof beam body structure that falls |
| CN112227235B (en) * | 2020-11-13 | 2022-02-22 | 重庆交通大学 | Bridge is consolidated and is prevented roof beam body structure that falls |
| CN112482196A (en) * | 2020-12-03 | 2021-03-12 | 中国地震局工程力学研究所 | Self-reaction type anti-falling beam structure |
| CN112554041A (en) * | 2020-12-04 | 2021-03-26 | 许昌学院 | Compound girder for bridge construction |
| CN112554041B (en) * | 2020-12-04 | 2022-05-17 | 许昌学院 | Compound girder for bridge construction |
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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: 20180612 Termination date: 20181106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |