CN209292880U - Rack-and-pinion bridge with Telescopic - Google Patents
Rack-and-pinion bridge with Telescopic Download PDFInfo
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- CN209292880U CN209292880U CN201821170242.5U CN201821170242U CN209292880U CN 209292880 U CN209292880 U CN 209292880U CN 201821170242 U CN201821170242 U CN 201821170242U CN 209292880 U CN209292880 U CN 209292880U
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Abstract
The utility model discloses the rack-and-pinion bridges with Telescopic, its rack-and-pinion bridge with Telescopic includes crossbeam, middle beam slab is equipped with above the crossbeam, bridge panel is equipped with above the middle beam slab, the middle beam slab and bridge panel side close to each other are fixedly installed with first gear and second gear respectively, and first gear and second gear are meshed, the operating method of its rack-and-pinion bridge with Telescopic is the following steps are included: S1: vehicle heading buffering, vehicle is pressed down against bridge panel in bridge panel driving process, bridge panel drives connecting rod to move down, connecting rod is located at one end in cavity and squeezes the first spring.The utility model structure is simple, and stabilized structure, can buffer the active force of the different directions in vehicle driving, so that vehicle operation is comfortable, the power that is hit is small, increases bridge service life.
Description
Technical field
The utility model relates to bridge technology fields, more particularly to the rack-and-pinion bridge with Telescopic.
Background technique
With country's being gradually increased in highway bridge field construction scale, Longspan Bridge is increasing, as bridge
Key member, bridge extension joint stretches caused by bridge superstructure temperature change in addition to must satisfy, also to meet it is permanent,
The needs of the movement of beam-ends three-D displacement caused by mobile load, meanwhile, existing " heavy duty, high density " traffic condition is to the flexible dress of bridge
It sets the reliability used and proposes very high requirement.Currently, there are two types of types for bridge extension joint: modular expansion device and comb
Tooth-like telescopic device is structurally and functionally having respective technical characterstic.Modular expansion device adapts to bridge 3 D deformation
Ability is strong, structure is mature；But vehicle running comfort is poor, the power that is hit is big, service life is affected to some extent.Comb
Tooth-like telescopic device vehicle runs smoothly, the power that is hit is small；But the 3 D deformation ability for adapting to bridge is poor, long term
It will cause the fracture of comb teeth and the destruction of anchor system, seriously affect traffic safety.
Utility model content
Technical problems based on background technology, the utility model proposes the rack-and-pinion bridges with Telescopic.
The utility model proposes the rack-and-pinion bridge with Telescopic, including crossbeam is equipped with above the crossbeam
Beam slab, is equipped with bridge panel above the middle beam slab, the middle beam slab and bridge panel side close to each other fixed peace respectively
Equipped with first gear and second gear, and first gear and second gear are meshed, and set between the middle beam slab and bridge panel
Have the bridge floor Buffer Unit for buffering bridge panel, between the middle beam slab and crossbeam be equipped with for be bonded middle beam slab and
The beam slab of crossbeam consolidates component, and the crossbeam is equipped with the slide assemblies for buffering beam slab in mobile.
Preferably, the bridge floor Buffer Unit includes two cavitys being provided on bridge panel, and two cavitys are distinguished
Positioned at bridge panel two sides, through-hole is offered on the inner wall of cavity bottom end, and connecting rod, and connecting rod are movably installed in the through-hole
Both ends all extend to outside through-hole, and one end two sides that the connecting rod is located in cavity are fixedly installed with draw runner, in cavity two sides
Sliding rail is offered on wall, draw runner is slidably installed on the slide rail, and the first spring, the first bullet are welded on the inner wall of the cavity top
The bottom end of spring is welded on the top of connecting rod, and the middle beam slab top side is opened up there are two the first groove, and two the first grooves
It is located at the underface of two through-holes, the connecting rod bottom end extends in the first groove, first groove bottom end inner wall
On offer first sliding groove, connecting rod bottom end is fixedly installed with the first sliding block, and the first sliding block is slidably mounted in first sliding groove,
Second sliding slot is offered on one groove two sides inner wall, one end two sides that connecting rod is located in the first groove are fixedly installed with
Two sliding blocks, two the second sliding blocks are slidably mounted in second sliding slot respectively, are welded with set between the middle beam slab and bridge panel
Connect the second spring in connecting rod.
Preferably, the first sliding pearl slot is offered on the side inner wall of the first sliding groove and second sliding slot far from opening,
Be slidably fitted with the first sliding pearl on the first sliding pearl slot inner wall, two first sliding pearls respectively with the first sliding block and the second sliding block phase
Contact, the first gear and second gear side close to each other roll be equipped with the first ball and the second ball respectively, and
First ball is in contact with the second ball.
Preferably, the slide assemblies include being socketed in ring shaped movable block on crossbeam, and ring shaped movable block two sides are welded
It is connected to third spring, the side that two third springs are located remotely from each other is welded with limited block, and two limited blocks are fixedly mounted on
On crossbeam, and two limited blocks are located at ring shaped movable block two sides, are fixedly installed with third on the ring shaped movable block inner wall
Sliding block, the beam surface offer third sliding slot, and the third sliding block is slidably mounted in third sliding slot, the ring shaped movable
Block top side is fixedly installed with support column, and central sill board bottom side opens up that there are two the second grooves, and two support top ends extend respectively to
In two the second grooves.
Preferably, be fixedly installed with resilient rubbber cushion on the second groove top inner wall, and resilient rubbber cushion bottom side with
Support column top side is in contact, and second groove two sides offer the 4th sliding slot, and support column is located at one end in the second groove
Four-slider is fixedly installed on two sides, two Four-sliders are slidably mounted on respectively in two the 4th sliding slots, and the described 4th
Sliding block two sides are welded with the 4th spring, and one end that two the 4th springs are located remotely from each other is respectively welded at third sliding slot top side inner wall
On the inner wall of bottom side, threaded hole is offered on the ring shaped movable block, and threaded hole internal screw thread is equipped with positioning bolt.
Preferably, it includes two third grooves for being provided with crossbeam top side that the beam slab, which consolidates component, and two thirds are recessed
Slot is located at middle beam slab two sides, L shape fixed link is movably installed in the third groove, and L shape fixed link one end extends to
Outside third groove, third groove bottom side inner wall is welded with the 5th spring, and the 5th spring top is welded on L shape fixed link bottom end
On, the 5th sliding slot is offered on the inner wall of third groove two sides, one end two sides that L shape fixed link is located in third groove are equal
It is fixedly installed with the 5th sliding block, two the 5th sliding blocks are slidably mounted on respectively in two the 5th sliding slots, and the middle beam slab two sides are equal
Offer the 4th groove.
Preferably, one end that the L shape fixed link is located at outside third groove extends in the 4th groove, and the 4th groove is separate
One end of the 6th spring is welded on the side inner wall of opening, the other end of the 6th spring is welded in L shape fixed link, and the 4th is recessed
The 6th sliding slot is offered on the inner wall of slot two sides, L shape fixed link is located at one end two sides in the 4th groove and is fixedly installed with the 6th
Sliding block, two the 6th sliding blocks are slidably mounted on respectively in two the 6th sliding slots.
The operating method of rack-and-pinion bridge with Telescopic, comprising the following steps:
S1: vehicle heading buffering, vehicle are pressed down against bridge panel in bridge panel driving process, bridge
Beam and face drives connecting rod to move down, and connecting rod is located at one end in cavity and squeezes the first spring, and connecting rod drives draw runner
Slided on the slide rail, meanwhile, bridge panel is pressed down against second spring, second spring squeeze in beam slab, beam slab in buffering
And bridge panel；
S11: when bridge panel is pressed down against middle beam slab, second gear is driven to squeeze first gear, second gear and first
The second ball in gear is in contact with the first ball, and the effect of bridge panel extruding force is lower to drive the second ball and the first ball phase
To sliding, meanwhile, bridge panel drives connecting rod to be slided in the first groove, and connecting rod drives the first sliding block and the respectively
Two sliding blocks slide in first sliding groove and second sliding slot, buffer bridge panel in driving direction in vehicle；
S2: along crossbeam direction sliding center sill plate, beam slab is pressed down against in bridge panel drive, and middle beam slab squeezes support column,
Top end is supported to squeeze resilient rubbber cushion, and Four-slider slides in the 4th sliding slot, Four-slider squeezes the 4th spring, buffering
Middle beam slab；
S21: meanwhile, middle beam slab is slided along crossbeam direction in extrusion process, and middle beam slab squeezes third spring, third spring
Limited block is squeezed, the relative position of beam slab and crossbeam in limit, meanwhile, middle beam slab drives third sliding block the in sliding process
Sliding in three sliding slots, the beam slab along the buffering of crossbeam direction；
S3: the positional relationship between crossbeam and middle beam slab is consolidated, beam slab moves down in bridge panel extruding, central sill strip
Dynamic L shape fixed link moves down, and L shape fixed link drives the 5th sliding block to be slided in the 5th sliding slot, meanwhile, L shape fixed link
It is pressed down against the 5th spring, consolidates the positional relationship of crossbeam and middle beam slab vertical direction；
S31: bridge panel squeeze in beam slab, bridge panel drive in beam slab slided along crossbeam direction, central sill strip moves L
Fixed block is slided along crossbeam direction, and L shape fixed block drives the 6th sliding block to be slided in the 6th sliding slot, meanwhile, L shape is solid
Fixed pole squeezes the 6th spring, consolidates the positional relationship of crossbeam and middle beam slab horizontal direction.
In the utility model, the rack-and-pinion bridge with Telescopic passes through middle beam slab, first gear, bridge face
Plate, second gear, cavity, through-hole, connecting rod, draw runner, the first spring, second spring, the first groove, second sliding slot, second are slided
Block, first sliding groove, the first sliding block are used cooperatively, can be buffered by connecting rod in beam slab and bridge panel, and bridge can be passed through
Under the extruding force effect of beam and face, so that middle beam slab and the opposite sliding of bridge panel, reach buffering effect, pass through crossbeam, support
Column, ring shaped movable block, positioning bolt, limited block, third spring, third sliding slot, third sliding block, the second groove, resilient rubbber cushion,
4th sliding slot, third sliding block, the 4th spring are used cooperatively, can be opposite by beam slab in driving under the squeezing action power of middle beam slab
Crossbeam is slided, and is achieved the effect that beam slab and crossbeam in buffering, is passed through L shape fixed link, third groove, the 5th sliding slot, the 5th
Sliding block, the 5th spring, the 4th groove, the 6th sliding slot, the 6th sliding block are used cooperatively down, can be bonded by L shape fixed link
Crossbeam and middle beam slab, and the active force vertically and horizontally of buffering transverse beam and middle beam slab can be consolidated, this is practical new
Type structure is simple, and stabilized structure, can buffer the active force of the different directions in vehicle driving so that vehicle operation it is comfortable,
The power that is hit is small, increases bridge service life.
Detailed description of the invention
Fig. 1 be the utility model proposes the rack-and-pinion bridge with Telescopic structural schematic diagram；
Fig. 2 be the utility model proposes the rack-and-pinion bridge with Telescopic part A structural schematic diagram；
Fig. 3 be the utility model proposes the rack-and-pinion bridge with Telescopic part B structural schematic diagram；
Fig. 4 be the utility model proposes the rack-and-pinion bridge with Telescopic B1 partial structure diagram；
Fig. 5 be the utility model proposes the rack-and-pinion bridge with Telescopic C portion structural schematic diagram.
In figure: 1 crossbeam, beam slab in 2,3 first gears, 4 bridge panels, 5 second gears, 6 cavitys, 7 through-holes, 8 connecting rods,
9 draw runners, 10 first springs, 11 second springs, 12 first grooves, 13 second sliding slots, 14 second sliding blocks, 15 first sliding grooves, 16
One sliding block, 17 support columns, 18 ring shaped movable blocks, 19 positioning bolts, 20 limited blocks, 21 third springs, 22 third sliding slots, 23 thirds
Sliding block, 24 second grooves, 25 resilient rubbber cushions, 26 the 4th sliding slots, 27 Four-sliders, 28 the 4th springs, 29 L shape fixed links, 30
Third groove, 31 the 5th sliding slots, 32 the 5th sliding blocks, 33 the 5th springs, 34 the 4th grooves, 35 the 6th sliding slots, 36 the 6th sliding blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Embodiment.
Referring to Fig.1-5, there is the rack-and-pinion bridge of Telescopic, including crossbeam 1, be equipped with middle beam slab 2 above crossbeam 1, in
Bridge panel 4 is equipped with above beam slab 2, middle beam slab 2 and the side close to each other of bridge panel 4 are fixedly installed with first gear respectively
3 and second gear 5, and first gear 3 and second gear 5 are meshed, and are equipped between middle beam slab 2 and bridge panel 4 for buffering
The bridge floor Buffer Unit of bridge panel 4 is equipped with the beam for being bonded middle beam slab 2 and crossbeam 1 between middle beam slab 2 and crossbeam 1
Plate consolidates component, and crossbeam 1 is equipped with the slide assemblies for buffering beam slab 2 in mobile, and the utility model structure is simple, and structure
It is firm, the active force of the different directions in vehicle driving can be buffered, so that vehicle operation is comfortable, the power that is hit is small, increases bridge
Beam service life.
Bridge floor Buffer Unit includes two cavitys 6 being provided on bridge panel 4, and two cavitys 6 are located at bridge
4 two sides of panel offer through-hole 7 on 6 bottom end inner wall of cavity, connecting rod 8 are movably installed in through-hole 7, and 8 both ends of connecting rod are equal
It extends to outside through-hole 7, one end two sides that connecting rod 8 is located in cavity 6 are fixedly installed with draw runner 9, on 6 two sides inner wall of cavity
Sliding rail is offered, draw runner 9 is slidably installed on the slide rail, the first spring 10 is welded on 6 top inner wall of cavity, the first spring 10
Bottom end is welded on the top of connecting rod 8, and middle 2 top side of beam slab is opened up there are two the first groove 12, and two the first grooves 12 divide
Not Wei Yu two through-holes 7 underface, 8 bottom end of connecting rod extends in the first groove 12, opens on 12 bottom end inner wall of the first groove
Equipped with first sliding groove 15,8 bottom end of connecting rod is fixedly installed with the first sliding block 16, and the first sliding block 16 is slidably mounted on first sliding groove 15
It is interior, second sliding slot 13 is offered on 12 two sides inner wall of the first groove, one end two sides that connecting rod 8 is located in the first groove 12 are equal
It is fixedly installed with the second sliding block 14, two the second sliding blocks 14 are slidably mounted on respectively in second sliding slot 13, middle beam slab 2 and bridge face
The side of the second spring 11 being socketed in connecting rod 8, first sliding groove 15 and second sliding slot 13 far from opening is welded between plate 4
The first sliding pearl slot is offered on inner wall, and the first sliding pearl, two first sliding pearl difference are slidably fitted on the first sliding pearl slot inner wall
It is in contact with the first sliding block 16 and the second sliding block 14, first gear 3 and the side close to each other of second gear 5 roll installation respectively
There are the first ball and the second ball, and the first ball is in contact with the second ball, passes through middle beam slab 2, first gear 3, bridge face
Plate 4, second gear 5, cavity 6, through-hole 7, connecting rod 8, draw runner 9, the first spring 10, second spring 11, the first groove 12, second
Sliding slot 13, the second sliding block 14, first sliding groove 15, the first sliding block 16 are used cooperatively, and can pass through 2 He of beam slab in the buffering of connecting rod 8
Bridge panel 4, and can be by so that middle beam slab 2 and bridge panel 4 slide relatively, reaching under the effect of the extruding force of bridge panel 4
To buffering effect.
Slide assemblies include being socketed in ring shaped movable block 18 on crossbeam 1, and 18 two sides of ring shaped movable block are welded with third bullet
Spring 21, the side that two third springs 21 are located remotely from each other are welded with limited block 20, and two limited blocks 20 are fixedly mounted on cross
On beam 1, and two limited blocks 20 are located at 18 two sides of ring shaped movable block, are fixedly installed with third on 18 inner wall of ring shaped movable block
Sliding block 23,1 surface of crossbeam offer third sliding slot 22, and third sliding block 23 is slidably mounted in third sliding slot 22, ring shaped movable block
18 top sides are fixedly installed with support column 17, and middle 2 bottom side of beam slab is opened up there are two the second groove 24, and two 17 tops of support column are distinguished
It extends in two the second grooves 24, is fixedly installed with resilient rubbber cushion 25, and elastic rubber on 24 top inner wall of the second groove
It pads 25 bottom sides to be in contact with 17 top side of support column, 24 two sides of the second groove offer the 4th sliding slot 26, and support column 17 is located at the
Four-slider 27 is fixedly installed on one end two sides in two grooves 24, two Four-sliders 27 are slidably mounted on two respectively
In 4th sliding slot 26,27 two sides of Four-slider are welded with the 4th spring 28, one end that two the 4th springs 28 are located remotely from each other point
It is not welded on 26 top side inner wall of third sliding slot and bottom side inner wall, threaded hole is offered on ring shaped movable block 18, and in threaded hole
Screw thread is equipped with positioning bolt 19, passes through crossbeam 1, support column 17, ring shaped movable block 18, positioning bolt 19, limited block 20, third
Spring 21, third sliding slot 22, third sliding block 23, the second groove 24, resilient rubbber cushion 25, the 4th sliding slot 26, third sliding block 27,
Four springs 28 are used cooperatively, and can be slided, be reached with respect to crossbeam 1 by beam slab 2 in driving under the squeezing action power of middle beam slab 2
The effect of beam slab 2 and crossbeam 1 into buffering.
It includes two third grooves 30 for being provided with 1 top side of crossbeam that beam slab, which consolidates component, and two third grooves 30 are distinguished
Positioned at middle 2 two sides of beam slab, L shape fixed link 29 is movably installed in third groove 30, and 29 one end of L shape fixed link extends to third
Outside groove 30,30 bottom side inner wall of third groove is welded with the 5th spring 33, and 33 top of the 5th spring is welded on 29 bottom of L shape fixed link
On end, the 5th sliding slot 31 is offered on 30 two sides inner wall of third groove, L shape fixed link 29 is located at one end in third groove 30
Two sides are fixedly installed with the 5th sliding block 32, and two the 5th sliding blocks 32 are slidably mounted on respectively in two the 5th sliding slots 31, central sill
2 two sides of plate offer the 4th groove 34, and one end that L shape fixed link 29 is located at outside third groove 30 extends to the 4th groove 34
It is interior, one end of the 6th spring 37, the other end weldering of the 6th spring 37 are welded on the 4th side inner wall of the groove 34 far from opening
It connects in L shape fixed link 29, the 6th sliding slot 35 is offered on 34 two sides inner wall of the 4th groove, L shape fixed link 29 is located at the 4th
One end two sides are fixedly installed with the 6th sliding block 36 in groove 34, and two the 6th sliding blocks 36 are slidably mounted on two the 6th cunnings respectively
In slot 35, pass through L shape fixed link 29, third groove 30, the 5th sliding slot 31, the 5th sliding block 32, the 5th spring 33, the 4th groove
34, the 6th sliding slot 35, the 6th sliding block 36 are used cooperatively down, can be bonded crossbeam 1 and middle beam slab 2 by L shape fixed link 29,
And the active force vertically and horizontally of buffering transverse beam 1 and middle beam slab 2 can be consolidated, the utility model structure is simple,
And stabilized structure, the active force of the different directions in vehicle driving can be buffered, so that vehicle operation is comfortable, the power that is hit is small,
Increase bridge service life.
The operating method of rack-and-pinion bridge with Telescopic, comprising the following steps:
S1: vehicle heading buffering, vehicle are pressed down against bridge panel 4 in 4 driving process of bridge panel,
Bridge panel 4 drives connecting rod 8 to move down, and connecting rod 8 is located at one end in cavity 6 and squeezes the first spring 10, and connecting rod 8
Draw runner 9 is driven to be slided on the slide rail, meanwhile, bridge panel 4 is pressed down against second spring 11, and second spring 11 squeezes central sill
Plate 2, beam slab 2 and bridge panel 4 in buffering；
S11: when bridge panel 4 is pressed down against middle beam slab 2, second gear 5 is driven to squeeze first gear 2,5 He of second gear
The second ball in first gear 2 is in contact with the first ball, and the effect of 4 extruding force of bridge panel is lower to drive the second ball and first
Ball is opposite to be slided, meanwhile, bridge panel 4 drives connecting rod 8 to be slided in the first groove 12, and connecting rod 8 drives respectively
First sliding block 16 and the second sliding block 14 slide in first sliding groove 15 and second sliding slot 13, buffer bridge in driving direction in vehicle
Panel 4；
S2: along 1 direction sliding center sill plate 2 of crossbeam, beam slab 2 is pressed down against in the drive of bridge panel 4, and middle beam slab 2 squeezes branch
Dagger 17,17 top of support column squeezes resilient rubbber cushion 25, and Four-slider 27 slides in the 4th sliding slot 26, Four-slider 27
The 4th spring 28 is squeezed, beam slab 2 in buffering；
S21: meanwhile, middle beam slab 2 is slided along 1 direction of crossbeam in extrusion process, and middle beam slab 2 squeezes third spring 21, the
Three springs 21 squeeze limited block 20, the relative position of beam slab 2 and crossbeam 1 in limit, meanwhile, the middle band in sliding process of beam slab 2
Dynamic third sliding block 23 slides in third sliding slot 22, the beam slab 2 along the buffering of 1 direction of crossbeam；
S3: the positional relationship between crossbeam 1 and middle beam slab 2 is consolidated, beam slab 2 moves down in the extruding of bridge panel 4, central sill
Plate 2 drives L shape fixed link 29 to move down, and L shape fixed link 29 drives the 5th sliding block 32 to be slided in the 5th sliding slot 31, together
When, L shape fixed link 29 is pressed down against the 5th spring 33, consolidates the positional relationship of 2 vertical direction of crossbeam 1 and middle beam slab；
S31: bridge panel 4 squeeze in beam slab 2, bridge panel 4 drive in beam slab 2 along 1 direction of crossbeam slide, middle beam slab 2
Drive L fixed block 29 slided along 1 direction of crossbeam, L shape fixed block 29 drive the 6th sliding block 36 in the 6th sliding slot 35 into
Row sliding, meanwhile, L shape fixed link 29 squeezes the 6th spring 37, consolidates the positional relationship of 2 horizontal direction of crossbeam 1 and middle beam slab.
The utility model: vehicle heading buffering, vehicle carry out bridge panel 4 in 4 driving process of bridge panel
It being pressed down against, bridge panel 4 drives connecting rod 8 to move down, and connecting rod 8 is located at one end in cavity 6 and squeezes the first spring 10,
And connecting rod 8 drives draw runner 9 to be slided on the slide rail, meanwhile, bridge panel 4 is pressed down against second spring 11, second spring
11 squeeze in beam slab 2, beam slab 2 and bridge panel 4 in buffering；When bridge panel 4 is pressed down against middle beam slab 2, second gear 5 is driven
First gear 2 is squeezed, the second ball in second gear 5 and first gear 2 is in contact with the first ball, and bridge panel 4 squeezes
Power effect is lower to drive the second ball is opposite with the first ball to slide, meanwhile, bridge panel 4 drives connecting rod 8 in the first groove 12
It is inside slided, connecting rod 8 drives the first sliding block 16 and the second sliding block 14 sliding in first sliding groove 15 and second sliding slot 13 respectively
It is dynamic, bridge panel 4 is buffered in driving direction in vehicle；The beam slab 2 along 1 direction sliding center sill plate 2 of crossbeam, the drive of bridge panel 4
It is pressed down against, middle beam slab 2 squeezes support column 17, and 17 top of support column squeezes resilient rubbber cushion 25, and Four-slider 27 is the 4th
Sliding in sliding slot 26, Four-slider 27 squeeze the 4th spring 28, beam slab 2 in buffering；Meanwhile middle beam slab 2 edge in extrusion process
The sliding of 1 direction of crossbeam, middle beam slab 2 squeeze third spring 21, and third spring 21 squeezes limited block 20, beam slab 2 and crossbeam 1 in limit
Relative position, meanwhile, middle beam slab 2 drives third sliding block 23 to slide in third sliding slot 22 in sliding process, along 1 side of crossbeam
Beam slab 2 into buffering；The positional relationship between crossbeam 1 and middle beam slab 2 is consolidated, beam slab 2 moves down in the extruding of bridge panel 4,
Middle beam slab 2 drives L shape fixed link 29 to move down, and L shape fixed link 29 drives the 5th sliding block 32 to be slided in the 5th sliding slot 31
It is dynamic, meanwhile, L shape fixed link 29 is pressed down against the 5th spring 33, consolidates the positional relationship of 2 vertical direction of crossbeam 1 and middle beam slab；Bridge
Beam and face 4 squeeze in beam slab 2, bridge panel 4 drive in beam slab 2 slided along 1 direction of crossbeam, middle beam slab 2 drives L fixed block 29
It being slided along 1 direction of crossbeam, L shape fixed block 29 drives the 6th sliding block 36 to be slided in the 6th sliding slot 35, meanwhile, L shape
Fixed link 29 squeezes the 6th spring 37, consolidates the positional relationship of 2 horizontal direction of crossbeam 1 and middle beam slab.
Utility model works principle is as follows: automobile in driving process, can squeeze bridge panel 4 on bridge panel 4
It is slided relative to middle beam slab 2, and glide direction is the horizontal convenient of vehicle driving, is slided by horizontal direction to vehicle row
Row buffering effect is driven into, meanwhile, in vehicle travel process, beam slab 2 is slided relative to crossbeam 1 in drive, and middle beam slab 2 is along cross
1 direction of beam is slided, and has the function that beam slab 2 in buffering, in vehicle travel process, so that bridge has vehicle heading
Sliding buffering and 1 direction of crossbeam buffering, L shape fixed link 29 are bonded the positional relationship between crossbeam 1 and middle beam slab 2.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. the rack-and-pinion bridge with Telescopic, including crossbeam (1), which is characterized in that be equipped with central sill above the crossbeam (1)
Plate (2) is equipped with bridge panel (4) above the middle beam slab (2), the middle beam slab (2) and bridge panel (4) it is close to each other one
Side is fixedly installed with first gear (3) and second gear (5) respectively, and first gear (3) and second gear (5) are meshed, institute
State the bridge floor Buffer Unit being equipped between beam slab (2) and bridge panel (4) for buffering bridge panel (4), the middle beam slab
(2) it is equipped with the beam slab for being bonded middle beam slab (2) and crossbeam (1) between crossbeam (1) and consolidates component, the crossbeam (1)
It is equipped with the slide assemblies for buffering beam slab (2) in mobile.
2. the rack-and-pinion bridge according to claim 1 with Telescopic, which is characterized in that the bridge floor Buffer Unit
Including two cavitys (6) being provided on bridge panel (4), and two cavitys (6) are located at bridge panel (4) two sides, empty
It offers through-hole (7), is movably installed with connecting rod (8) in the through-hole (7), and connecting rod (8) both ends on the inner wall of chamber (6) bottom end
All extend to through-hole (7) outside, the connecting rod (8) is located at one end two sides in cavity (6) and is fixedly installed with draw runner (9), empty
Sliding rail is offered on the inner wall of chamber (6) two sides, draw runner (9) is slidably installed on the slide rail, welds on the inner wall of cavity (6) top
Have the first spring (10), the bottom end of the first spring (10) is welded on the top of connecting rod (8), and middle beam slab (2) top side is opened
If there are two the first groove (12), and two the first grooves (12) are located at the underface of two through-holes (7), the connecting rod
(8) bottom end extends in the first groove (12), offers first sliding groove (15) on the inner wall of the first groove (12) bottom end, connects
Bar (8) bottom end is fixedly installed with the first sliding block (16), and the first sliding block (16) is slidably mounted in first sliding groove (15), the first groove
(12) it is offered on the inner wall of two sides second sliding slot (13), one end two sides that connecting rod (8) is located in the first groove (12) are solid
Dingan County is equipped with the second sliding block (14), and two the second sliding blocks (14) are slidably mounted on respectively in second sliding slot (13), the middle beam slab
(2) second spring (11) being socketed on connecting rod (8) is welded between bridge panel (4).
3. the rack-and-pinion bridge according to claim 2 with Telescopic, which is characterized in that the first sliding groove (15)
Pearl slot is slided with offering first on the side inner wall of second sliding slot (13) far from opening, is slided on the described first sliding pearl slot inner wall
First sliding pearl is installed, two first sliding pearls are in contact with the first sliding block (16) and the second sliding block (14) respectively, first tooth
Wheel (3) and second gear (5) side close to each other roll be equipped with the first ball and the second ball respectively, and the first ball and
Second ball is in contact.
4. the rack-and-pinion bridge according to claim 1 with Telescopic, which is characterized in that the slide assemblies include
It is socketed in ring shaped movable block (18) on crossbeam (1), ring shaped movable block (18) two sides are welded with third spring (21), and two
The side that third spring (21) is located remotely from each other is welded with limited block (20), and two limited blocks (20) are fixedly mounted on crossbeam
(1) on, and two limited blocks (20) are located at ring shaped movable block (18) two sides, fix on ring shaped movable block (18) inner wall
It is equipped with third sliding block (23), crossbeam (1) surface offers third sliding slot (22), and the third sliding block (23) is slidably installed
In third sliding slot (22), ring shaped movable block (18) top side is fixedly installed with support column (17), and middle beam slab (2) bottom side opens up
There are two the second groove (24), two support column (17) tops are extended respectively in two the second grooves (24).
5. the rack-and-pinion bridge according to claim 4 with Telescopic, which is characterized in that second groove (24)
It is fixedly installed on the inner wall of top resilient rubbber cushion (25), and resilient rubbber cushion (25) bottom side connects with support column (17) top side
Touching, the second groove (24) two sides offer the 4th sliding slot (26), and support column (17) is located at one in the second groove (24)
End is fixedly installed with Four-slider (27) on two sides, and two Four-sliders (27) are slidably mounted on two the 4th sliding slots respectively
(26) in, Four-slider (27) two sides are welded with the 4th spring (28), two the 4th springs (28) be located remotely from each other one
End is respectively welded on third sliding slot (22) top side inner wall and bottom side inner wall, offers screw thread on the ring shaped movable block (18)
Hole, and threaded hole internal screw thread is equipped with positioning bolt (19).
6. the rack-and-pinion bridge according to claim 1 with Telescopic, which is characterized in that the beam slab consolidates component
Two third grooves (30) including being provided with crossbeam (1) top side, and two third grooves (30) are located at middle beam slab (2) two
Side, is movably installed with L shape fixed link (29) in the third groove (30), and to extend to third recessed for L shape fixed link (29) one end
Outside, third groove (30) bottom side inner wall is welded with the 5th spring (33) to slot (30), and the 5th spring (33) top is welded on L shape
On fixed link (29) bottom end, the 5th sliding slot (31), L shape fixed link (29) are offered on the inner wall of third groove (30) two sides
One end two sides in third groove (30) are fixedly installed with the 5th sliding block (32), and two the 5th sliding blocks (32) slide respectively
It is mounted in two the 5th sliding slots (31), middle beam slab (2) two sides offer the 4th groove (34).
7. the rack-and-pinion bridge according to claim 6 with Telescopic, which is characterized in that the L shape fixed link
(29) it is located at the one end of third groove (30) outside to extend in the 4th groove (34), in side of the 4th groove (34) far from opening
One end of the 6th spring (37) is welded on wall, the other end of the 6th spring (37) is welded in L shape fixed link (29), and the 4th is recessed
The 6th sliding slot (35) is offered on the inner wall of slot (34) two sides, L shape fixed link (29) is located at the 4th interior one end two sides of groove (34)
It is fixedly installed with the 6th sliding block (36), two the 6th sliding blocks (36) are slidably mounted on respectively in two the 6th sliding slots (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821170242.5U CN209292880U (en) | 2018-07-24 | 2018-07-24 | Rack-and-pinion bridge with Telescopic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821170242.5U CN209292880U (en) | 2018-07-24 | 2018-07-24 | Rack-and-pinion bridge with Telescopic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209292880U true CN209292880U (en) | 2019-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821170242.5U Expired - Fee Related CN209292880U (en) | 2018-07-24 | 2018-07-24 | Rack-and-pinion bridge with Telescopic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209292880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853958A (en) * | 2021-02-25 | 2021-05-28 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
| CN114214948A (en) * | 2021-12-20 | 2022-03-22 | 中铁三局集团广东建设工程有限公司 | Bridge stand column positioning device |
-
2018
- 2018-07-24 CN CN201821170242.5U patent/CN209292880U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853958A (en) * | 2021-02-25 | 2021-05-28 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
| CN112853958B (en) * | 2021-02-25 | 2023-03-10 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
| CN114214948A (en) * | 2021-12-20 | 2022-03-22 | 中铁三局集团广东建设工程有限公司 | Bridge stand column positioning device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |