CN208830146U - A kind of board-like bridge extension joint of comb teeth - Google Patents
A kind of board-like bridge extension joint of comb teeth Download PDFInfo
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- CN208830146U CN208830146U CN201821488324.4U CN201821488324U CN208830146U CN 208830146 U CN208830146 U CN 208830146U CN 201821488324 U CN201821488324 U CN 201821488324U CN 208830146 U CN208830146 U CN 208830146U
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Abstract
The utility model discloses a kind of board-like bridge extension joints of comb teeth, including fixed broach plate, across seam activity fishback and displacement fishback, it is connected between across seam activity fishback and displacement fishback by multiple bindiny mechanisms, fixed broach plate is connected on the first embedded bar by multiple anchor bolts and nut, displacement fishback is connected on the second embedded bar by multiple anchor bolts and nut, first embedded bar is embedded on first segment bridge, second embedded bar is embedded on second segment bridge, across seam activity fishback is connected on the second embedded bar close to the side of displacement fishback by multiple anchor bolts and nut, across seam activity fishback is provided with multiple magnet steel mounting bases far from a side-lower of displacement fishback, the bottom end of magnet steel mounting base is connect with the first embedded bar, the top of magnet steel mounting base is equipped with magnet steel.The utility model can satisfy first segment bridge and second segment bridge generated temperature variable displacement and deflection deformation when vehicle passes through.
Description
Technical field
The utility model belongs to bridge construction technical field of construction, and in particular to a kind of board-like bridge extension joint of comb teeth.
Background technique
Bridge expanssion joint refer to for meet bridge floor deformation requirement, usually between two beam-ends, between beam-ends and abutment or
The expansion joint being arranged in the articulated position of bridge.The effect of bridge expanssion joint is to adjust by vehicular load and bridge construction material
Displacement and connection between caused superstructure are played the role of the stability of bridge structure vital.Therefore, it
Ask expansion joint it is parallel, perpendicular to the both direction of bridge axes, can free extension, solid and reliable, vehicle crosses Shi Yingping
Surely, it jolts without kick and noise；Simultaneously, it has to be possible to prevent rainwater and rubbish soil from largely penetrating into；Installation, check, maintenance and
Eliminating dirt will simple and convenient.
Currently, common bridge extension joint impact resistance is poor, it is difficult to meet the requirement of big displacement quantity, when using one section
Between after, vehicle can be generated due to impact when passing through it is biggish jolt and vibration sound, and prolonged impact will lead to bridge
It generates and removes between beam telescopic device and bridge ground, the serious bond strength reduced between the two, therefore, it should provide
A kind of board-like bridge extension joint of comb teeth that durability is good.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of comb teeth
Board-like bridge extension joint, simple structure and reasonable design pass through setting fixed broach plate, across seam activity fishback and displacement
The side of fishback, across seam activity fishback is matched with fixed broach plate, the other side of across seam activity fishback and shift comb
Tooth plate matches, and across seam activity fishback can not only be in the horizontal and vertical both direction of first segment bridge and second segment bridge
Upper generation displacement, and capable of twisting along the other side of across seam activity fishback, meanwhile, it is capable in first segment bridge and
Displacement is generated in vertical direction in second segment bridge perpendicular, this telescopic device is made to can satisfy first segment bridge and second
Duan Qiaoliang generated temperature variable displacement and deflection deformation when vehicle passes through, the effect of vibration insulation and noise reduction is good, and durability is good.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of flexible dress of the board-like bridge of comb teeth
Set, it is characterised in that: including fixed broach plate above first segment bridge is set, be coupled with the fixed broach plate and
Across above expansion joint across seam activity fishback and be arranged above second segment bridge and with across the seam activity fishback
The displacement fishback of connection is connected between across the seam activity fishback and the displacement fishback by multiple bindiny mechanisms,
The cabinet for protecting the bindiny mechanism is provided with below across the seam activity fishback and the displacement fishback, it is described
Fixed broach plate is connected on the first embedded bar by multiple anchor bolts and nut, and the displacement fishback passes through multiple anchors
Fixing bolt and nut are connected on the second embedded bar, and first embedded bar is embedded on first segment bridge, and described second
Embedded bar is embedded on second segment bridge, and across the seam activity fishback passes through multiple close to the side of the displacement fishback
Anchor bolt and nut are connected on the second embedded bar, side of across the seam activity fishback far from the displacement fishback
Lower section is provided with multiple magnet steel mounting bases, and the bottom end of the magnet steel mounting base is connect with the first embedded bar, the magnet steel installation
The top of seat is equipped with magnet steel.
The above-mentioned board-like bridge extension joint of a kind of comb teeth, it is characterised in that: be provided on the fixed broach plate multiple
First main tooth is provided with multiple the first secondary teeth being laid staggeredly with the described first main tooth on across the seam activity fishback, adjacent
The the first main tooth socket matched with the described first main tooth is formed between two first secondary teeth, is formed between two neighboring first main tooth
The the first secondary tooth socket matched with the described first secondary tooth is provided with the multiple second main teeth on the displacement fishback, described across seam
Multiple the second secondary teeth being laid staggeredly with the described second main tooth, shape between the two neighboring second secondary tooth are provided on movable fishback
It is formed at the second main tooth socket matched with the described second main tooth, between two neighboring second main tooth and is matched with the described second secondary tooth
The secondary tooth socket of second closed is provided with the first compensation gap between the main tooth of adjacent first and the first secondary tooth, the first main tooth
It is respectively provided between tooth top and the slot bottom of the first main tooth socket and between the tooth top of the first secondary tooth and the slot bottom of the first secondary tooth socket
There is the second compensation gap, is respectively provided between the second main tooth and the second secondary tooth socket and between the second secondary tooth and the second secondary tooth socket
There is third to compensate gap.
The above-mentioned board-like bridge extension joint of a kind of comb teeth, it is characterised in that: the first main tooth and the first secondary tooth are
Rectangular teeth or arc-shaped gear, the second main tooth and the second secondary tooth are rectangular teeth.
A kind of above-mentioned board-like bridge extension joint of comb teeth, it is characterised in that: multiple anchor bolts and multiple described
Magnet steel mounting base is in a row laid along the length direction at expansion joint, and the magnet steel mounting base is cylindrical mounting base, the cylinder
The top of shape mounting base offers the mounting groove for preventing setting the magnet steel, edge on the outer cylinder surface of the cylinder mounting base
Circumferential direction offers multiple grooves, and the magnet steel is fixedly mounted in the mounting groove by screw.
The above-mentioned board-like bridge extension joint of a kind of comb teeth, it is characterised in that: the fixed broach plate, across the seam activity
The through-hole passed through for anchor bolt is offered on fishback and the displacement fishback, between the through-hole and anchor bolt
It is provided with rubber axle sleeve, one end of the rubber axle sleeve is provided with flange, and the other end of the rubber axle sleeve is provided with the conical surface.
The above-mentioned board-like bridge extension joint of a kind of comb teeth, it is characterised in that: the bindiny mechanism is described including being mounted on
It the first mounting base on across seam activity fishback, the second mounting base being mounted on the displacement fishback and is rotatably installed in
Linking arm in first mounting base and second mounting base.
The above-mentioned board-like bridge extension joint of a kind of comb teeth, it is characterised in that: first mounting base and second peace
The structure for filling seat is identical, and first mounting base and second mounting base include two otic placodes disposed in parallel and be mounted on
Installation axle on the otic placode, the both ends of the linking arm are separately mounted in two installation axles.
Compared with the prior art, the utility model has the following advantages:
1, the utility model is by setting fixed broach plate, across seam activity fishback and displacement fishback, across seam movable comb
The side of tooth plate is matched with fixed broach plate, and the other side of across seam activity fishback is matched with displacement fishback, is lived across seam
Dynamic fishback can not only be produced when vehicle passes through in the horizontal and vertical both direction of first segment bridge and second segment bridge
Raw displacement, and can twist along the other side of across seam activity fishback, meanwhile, it is capable in first segment bridge and second
Displacement is generated in vertical direction in Duan Qiaoliang perpendicular, so that this telescopic device be made to can satisfy first segment bridge and second
Duan Qiaoliang generated temperature variable displacement and deflection deformation when vehicle passes through.
2, across the seam activity fishback of the utility model close to the side of the displacement fishback by multiple anchor bolts and
Nut is connected on the second embedded bar, and across seam activity fishback is provided with multiple far from a side-lower of the displacement fishback
Magnet steel mounting base, the top of magnet steel mounting base are equipped with magnet steel, side of across the seam activity fishback far from the displacement fishback
It is adsorbed on magnet steel, under the synergistic effect of multiple magnet steel, across seam activity fishback and the first secondary tooth can be made to be tightly attached to steel fibre
Tie up on concrete, across seam activity fishback and the first secondary tooth can be prevented tilt, can guarantee the first secondary tooth and
Good cooperation between first main tooth.
3, it is connected between across the seam activity fishback of the utility model and the displacement fishback by multiple bindiny mechanisms, and
The bindiny mechanism includes the first mounting base, the second mounting base and linking arm, when across seam activity fishback and displacement fishback exist
When vehicle passes through, linking arm can adaptively across seam activity fishback and displacement fishback caused by change in displacement, will not make
Across seam activity fishback and displacement fishback are deformed, and using effect is good.
4, the utility model simple structure and reasonable design, it is easy to promote and utilize.
In conclusion the utility model simple structure and reasonable design, by the way that fixed broach plate, across seam activity comb teeth is arranged
Plate and displacement fishback, the side of across seam activity fishback are matched with fixed broach plate, the other side of across seam activity fishback
It is matched with displacement fishback, across seam activity fishback can not only be in the horizontal and vertical of first segment bridge and second segment bridge
Displacement is generated in both direction, and can be twisted along the other side of across seam activity fishback, meanwhile, it is capable to first
Displacement is generated in vertical direction in Duan Qiaoliang and second segment bridge perpendicular, this telescopic device is made to can satisfy first segment bridge
Beam and second segment bridge generated temperature variable displacement and deflection deformation when vehicle passes through, the effect of vibration insulation and noise reduction is good, durability
It is good.
Below by drawings and examples, the utility model is further described in detail.
Detailed description of the invention
Fig. 1 is the use state diagram of the utility model.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the structural schematic diagram of the utility model rubber axle sleeve.
Fig. 4 is the structural schematic diagram of the utility model magnet steel mounting base.
Description of symbols:
1-fixed broach plate；The main tooth of 1-1-first；The secondary tooth socket of 1-2-first；
2-across seam activity fishbacks；The secondary tooth of 2-1-first；The main tooth socket of 2-2-first；
The secondary tooth of 2-3-second；The main tooth socket of 2-4-second；3-displacement fishbacks；
The main tooth of 3-1-second；3-2-the second width tooth socket；4-first segment bridges；
The first embedded bar of 4-1-；5-second segment bridges；The second embedded bar of 5-1-；
6-anchor bolts；7-nuts；8-rubber axle sleeves；
8-1-flange；8-2-the conical surface；9-magnet steel mounting bases；
9-1-mounting groove；9-2-groove；10-magnet steel；
11-1-otic placode；11-2-installation axle；12-linking arms；
13-cabinets；14-expansion joints；15-the first forming panel；
16-the second forming panel；17-waterstops；18-steel fiber reinforced concretes；
19-the first compensation gap；20-the second compensation gap；21-thirds compensate gap；
22-screws；23-weather-resistant steel plates.
Specific embodiment
As depicted in figs. 1 and 2, the utility model includes fixed broach plate 1 and the institute that 4 top of first segment bridge is arranged in
State fixed broach plate 1 be coupled and across above expansion joint 14 across seam activity fishback 2 and be arranged in second segment bridge 5
Top and the displacement fishback 3 being connect with across the seam activity fishback 2, across the seam activity fishback 2 and the shift comb
It is connected between tooth plate 3 by multiple bindiny mechanisms, the lower section of across the seam activity fishback 2 and the displacement fishback 3 is arranged
There is the cabinet 13 for protecting the bindiny mechanism, the fixed broach plate 1 is connected to by multiple anchor bolts 6 and nut 7
On first embedded bar 4-1, the displacement fishback 3 is connected to the second embedded bar 5- by multiple anchor bolts 6 and nut 7
On 1, the first embedded bar 4-1 is embedded on first segment bridge 4, and the second embedded bar 5-1 is embedded in second segment bridge
On beam 5, across the seam activity fishback 2 is connected close to the side of the displacement fishback 3 by multiple anchor bolts 6 and nut 7
It connects on the second embedded bar 5-1, across the seam activity fishback 2 is provided with far from a side-lower of the displacement fishback 3
Multiple magnet steel mounting bases 9, the bottom end of the magnet steel mounting base 9 are connect with the first embedded bar 4-1, the magnet steel mounting base 9
Top is equipped with magnet steel 10.
In the present embodiment, pass through setting fixed broach plate 1, across seam activity fishback 2 and displacement fishback 3, across seam activity
The side of fishback 2 is matched with fixed broach plate 1, and the other side of across seam activity fishback 2 is matched with displacement fishback 3,
In actual use, across seam activity fishback 2, can not only be in the cross of first segment bridge 4 and second segment bridge 5 when vehicle passes through
It is displaced, and can be twisted along the other side of across seam activity fishback 2 to generation in longitudinal both direction, meanwhile,
Displacement can be generated in the vertical direction in 5 perpendicular of first segment bridge 4 and second segment bridge, to make this telescopic device
It can satisfy first segment bridge 4 and second segment bridge 5 generated temperature variable displacement and deflection deformation when vehicle passes through.
In the present embodiment, across the seam activity fishback 2 passes through multiple anchoring spiral shells close to the side of the displacement fishback 3
Bolt 6 and nut 7 are connected on the second embedded bar 5-1, and across the seam activity fishback 2 conjugates the one of fishback 3 far from described
Side-lower is provided with multiple magnet steel mounting bases 9, and the top of magnet steel mounting base 9 is equipped with magnet steel 10, in actual use, due to magnet steel
The bottom end of mounting base 9 is connect with the first embedded bar 4-1, ensure that the stability that magnet steel mounting base 9 is installed, when pouring steel fibre
When concrete 18, the phenomenon that impact force of steel fiber reinforced concrete 18 will not make 9 run-off the straight of magnet steel mounting base or fall, because
This, after pouring steel fiber reinforced concrete 18, across seam activity fishback 2 is adsorbed on magnetic far from the side of the displacement fishback 3
On steel 10, under the synergistic effect of multiple magnet steel 10, across seam activity fishback 2 and the first pair tooth 2-1 can be made to be tightly attached to steel fibre
It ties up on concrete 18, across seam activity fishback 2 and the first pair tooth 2-1 can be prevented there is a phenomenon where tilting, can guarantee first
Good cooperation between the secondary main tooth 1-1 of tooth 2-1 and first.
In the present embodiment, connected between across the seam activity fishback 2 and the displacement fishback 3 by multiple bindiny mechanisms
It connects, when across seam activity fishback 2 and conjugates fishback 3 when vehicle passes through, the bindiny mechanism being capable of adaptively across seam activity
Change in displacement caused by fishback 2 and displacement fishback 3 will not be such that across seam activity fishback 2 and displacement fishback 3 is extruded
Deformation, using effect are good.
In the present embodiment, cabinet 13 is arranged by across seam activity fishback 2 and the lower section of the displacement fishback 3, when pouring
When building steel fiber reinforced concrete 18, cabinet 13 can play protective action to multiple bindiny mechanisms.
As shown in Figure 1, the multiple first main tooth 1-1 are provided on the fixed broach plate 1 in the present embodiment, it is described across seam
Multiple the first secondary tooth 2-1 being laid staggeredly with the described first main tooth 1-1 are provided on movable fishback 2, two neighboring first is secondary
The the first main tooth socket 2-2 matched with the described first main tooth 1-1, shape between two neighboring first main tooth 1-1 are formed between tooth 2-1
At the match with the first pair tooth 2-1 first secondary tooth socket 1-2, the multiple second main teeth are provided on the displacement fishback 3
3-1 is provided with multiple the second secondary tooth 2-3 being laid staggeredly with the described second main tooth 3-1, phase on across the seam activity fishback 2
The second main tooth socket 2-4 that formation is matched with the described second main tooth 3-1 between adjacent two second secondary tooth 2-3, two neighboring second
Second matched with the second pair tooth 2-3 secondary tooth socket 3-2, the main tooth 1-1 and first of adjacent first are formed between main tooth 3-1
Be provided with the first compensation gap 19 between secondary tooth 2-1, the slot bottom of the tooth top of the first main tooth 1-1 and the first main tooth socket 2-2 it
Between and the first secondary tooth 2-1 tooth top and the first secondary tooth socket 1-2 slot bottom between be provided with the second compensation gap 20, institute
It states between the secondary tooth socket 3-2 of the second main tooth 3-1 and second and is provided with the between the pair tooth socket of the second pair tooth 2-3 and second 3-2
Three compensation gaps 21.
In the present embodiment, pass through multiple first to be laid staggeredly between the fixed broach plate 1 and across seam activity fishback 2
Main tooth 1-1 and multiple first pair tooth 2-1 are matched, by being provided with the between the secondary tooth 2-1 of adjacent first main tooth 1-1 and first
One compensation gap 19, between the tooth top of the first main tooth 1-1 and the slot bottom of the first main tooth socket 2-2 and the first secondary tooth 2-1
Tooth top and the first secondary tooth socket 1-2 slot bottom between be respectively provided with the second compensation gap 20, in actual use, when fixed broach plate 1
With across seam activity fishback 2 when vehicle passes through, the first compensation gap 19 can compensate for the secondary tooth 2-1 of the first main tooth 1-1 and first
Between length travel, the second compensation gap 20 can compensate for the lateral displacement between the secondary tooth 2-1 of the first main tooth 1-1 and first.
The multiple second main teeth in the present embodiment, between across seam activity fishback 2 and displacement fishback 3 by being laid staggeredly
3-1 and multiple second pair tooth 2-3 are matched, by between the secondary tooth socket 3-2 of the described second main tooth 3-1 and second and second is secondary
Third compensation gap 21 is respectively provided between the secondary tooth socket 3-2 of tooth 2-3 and second, in actual use, when across seam activity fishback 2 and change
When vehicle passes through, third compensation gap 21 can compensate between the secondary tooth 2-3 of the second main tooth 3-1 and second position fishback 3 simultaneously
Length travel and lateral displacement.
In the present embodiment, the pair of the first main tooth 1-1 and first tooth 2-1 is rectangular teeth or arc-shaped gear, and described second is main
The pair of tooth 3-1 and second tooth 2-3 is rectangular teeth.
As shown in Figure 1, Figure 2 and Figure 4, in the present embodiment, multiple anchor bolts 6 and multiple magnet steel mounting bases 9
Length direction along expansion joint 14 is in a row laid.
In the present embodiment, the magnet steel mounting base 9 is cylindrical mounting base, and the top of the cylinder mounting base offers
For the anti-mounting groove 9-1 for setting the magnet steel 10, offered along circumferential direction on the outer cylinder surface of the cylinder mounting base
Multiple groove 9-2, the magnet steel 10 are fixedly mounted in the mounting groove 9-1 by screw 22.
In the present embodiment, multiple groove 9-2 are offered along circumferential direction on the outer cylinder surface of the cylinder mounting base
Purpose be: improve the contact area between magnet steel mounting base 9 and steel fiber reinforced concrete 18, magnet steel mounting base 9 can be enable
Enough solid to be firmly fixed in steel fiber reinforced concrete 18, to guarantee the reliability that magnet steel 10 is installed, structure is simple, uses effect
Fruit is good.
In actual use, in order to reduce construction cost, groove can not also be opened up on the outer cylinder surface of magnet steel mounting base 9
9-2。
As shown in Figures 2 and 3, in the present embodiment, the fixed broach plate 1, across the seam activity fishback 2 and the change
The through-hole passed through for anchor bolt 6 is offered on the fishback 3 of position, is provided with rubber between the through-hole and anchor bolt 6
Axle sleeve 8, one end of the rubber axle sleeve 8 are provided with flange 8-1, and the other end of the rubber axle sleeve 8 is provided with conical surface 8-2.
In the present embodiment, by being provided with rubber axle sleeve 8 between through-hole and anchor bolt 6, rubber axle sleeve 8 can be buffered
The destructive power that anchor bolt 6 is subject to effectively prevent anchor bolt 6 to be damaged, in actual use, under normal operating condition,
Rubber axle sleeve 8 can prevent the friction between anchor bolt 6 and through-hole, and can reduce fixed broach plate 1, across the seam activity
The vibration and noise collided or rubbed between fishback 2 or the displacement fishback 3 and steel fiber reinforced concrete 18 and generate；When
The support of the support of one section of bridge 4 perhaps second segment bridge 5 is damaged or in natural calamities such as earthquake, extreme weathers
In the case of when making the displacement of the support of first segment bridge 4 or the support of second segment bridge 5 beyond design limit value, first segment
Phenomena such as bridge 4 and second segment bridge 5 can deform, tilt, at this point, flexible deformation, Neng Gouzeng can occur for rubber axle sleeve 8
The durability of this strong telescopic device, enhances the survivability of this telescopic device, using effect is good.
In the present embodiment, the bindiny mechanism includes the first mounting base being mounted on across the seam activity fishback 2, peace
Mounted in second mounting base conjugated on fishback 3 and it is rotatably installed in first mounting base and second mounting base
Upper linking arm 12.
In the present embodiment, first mounting base is identical with the structure of second mounting base, first mounting base and
Second mounting base includes two otic placode 11-1 disposed in parallel and the installation axle 11-2 that is mounted on the otic placode 11-1,
The both ends of the linking arm 12 are separately mounted on two installation axle 11-2.
It in actual use,, can be by one end of linking arm 12 convenient for the installation and maintenance of bindiny mechanism in order to simplify structure
It is fixedly mounted on across the seam activity fishback 2, that is, does not need the first installation of installation on across the seam activity fishback 2
Seat, structure is simple, easy for installation, low manufacture cost.
In the present embodiment, the cabinet 13 is internally provided with polyurethane high molecule material filled layer, the cabinet 13
Material is engineering plastics.
In the present embodiment, by the way that polyurethane high molecule material filled layer is arranged in the inside of cabinet 13, cabinet can be enhanced
13 bearing capacity, when pouring steel fiber reinforced concrete 18, it is broken that the impact force of steel fiber reinforced concrete 18 will not be such that cabinet 13 occurs
It is bad.
When installing this telescopic device, firstly, according to design requirement in the first embedded bar 4-1 and the second embedded bar 5-
Anchor bolt 6 and magnet steel mounting base 9, and the mounting magnetic steel 10 in magnet steel mounting base 9 are welded on 1, in first segment bridge 4 and second
The first forming panel 15 and the second forming panel 16 are installed on Duan Qiaoliang 5 respectively, is laid with weather-resistant steel plate 23 and waterstop 17；Its
It is secondary, using multiple bindiny mechanisms will across seam activity fishback 2 with displacement fishback 3 be connected as one, in across seam activity fishback 2
With displacement fishback 3 on installation casing 13, and 13 inside filled polyurethane high molecular material of cabinet formed polyurethane high molecule
Material filled layer；Then, lifting fixed broach plate 1 makes to be welded on anchor on the first embedded bar 4-1 to 4 top of first segment bridge
Fixing bolt 6 passes through fixed broach plate 1 and is fastened by nut 7, lifts across seam activity fishback 2 and displacement fishback 3, makes across seam
Movable fishback 2 makes multiple first pair tooth 2-1 and the fixation on across seam activity fishback 2 across the top at expansion joint 14
The multiple first main tooth 1-1 on fishback 1 are laid staggeredly, and make to be welded on anchor bolt 6 on the second embedded bar 5-1 and pass through across seam
Movable fishback 2 is fastened with displacement fishback 3 and by nut 7, at this point, fixed broach plate 1, first segment bridge 4 and the first one-tenth
The first cavity, across seam activity fishback 2 and displacement fishback 3, second segment bridge 5 and the second shaping mould are formed between pattern plate 15
The second cavity is formed between plate 16, finally, pouring steel fiber reinforced concrete 18 in the first cavity and the second cavity inside, realization is originally stretched
Connection between compression apparatus and first segment bridge 4 and second segment bridge 5.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (7)
1. a kind of board-like bridge extension joint of comb teeth, it is characterised in that: including the fixed comb being arranged above first segment bridge (4)
Tooth plate (1) is coupled and with the fixed broach plate (1) across across the seam activity fishback (2) above expansion joint (14)
With setting above the second segment bridge (5) and the displacement fishback (3) that is connect with across the seam activity fishback (2), it is described across
It is connect between seam activity fishback (2) and the displacement fishback (3) by multiple bindiny mechanisms, across the seam activity fishback
(2) and below displacement fishback (3) cabinet (13) for protecting the bindiny mechanism, the fixed broach are provided with
Plate (1) is connected on the first embedded bar (4-1) by multiple anchor bolts (6) and nut (7), the displacement fishback (3)
It is connected on the second embedded bar (5-1) by multiple anchor bolts (6) and nut (7), first embedded bar (4-1) is pre-
It is embedded on first segment bridge (4), second embedded bar (5-1) is embedded on second segment bridge (5), described across seam movable comb
It is pre-buried that tooth plate (2) close to the side of displacement fishback (3) is connected to second by multiple anchor bolts (6) and nut (7)
On reinforcing bar (5-1), across the seam activity fishback (2) is provided with multiple magnetic far from a side-lower of displacement fishback (3)
The bottom end of steel mounting base (9), the magnet steel mounting base (9) is connect with the first embedded bar (4-1), the magnet steel mounting base (9)
Top magnet steel (10) are installed.
2. the board-like bridge extension joint of a kind of comb teeth described in accordance with the claim 1, it is characterised in that: the fixed broach plate
(1) it is provided with the multiple first main teeth (1-1) on, multiple and the described first main tooth is provided on across the seam activity fishback (2)
The first secondary tooth (2-1) that (1-1) is laid staggeredly is formed and the described first main tooth (1-1) between the two neighboring first secondary tooth (2-1)
The main tooth socket of first matched (2-2) forms between two neighboring first main tooth (1-1) and matches with the described first secondary tooth (2-1)
The secondary tooth socket (1-2) of first closed, is provided with the multiple second main teeth (3-1) on the displacement fishback (3), described across stitching movable comb
Multiple the second secondary teeth (2-3) being laid staggeredly with the described second main tooth (3-1) are provided on tooth plate (2), two neighboring second is secondary
The the second main tooth socket (2-4) matched with the described second main tooth (3-1), two neighboring second main tooth (3- are formed between tooth (2-3)
1) the second secondary tooth socket (3-2) matched with the described second secondary tooth (2-3) is formed between, the main tooth of adjacent first (1-1) and the
The first compensation gap (19), the tooth top and the first main tooth socket (2- of the first main tooth (1-1) are provided between one secondary tooth (2-1)
2) the is provided between slot bottom and between the tooth top of the first secondary tooth (2-1) and the slot bottom of the first pair tooth socket (1-2)
Two compensation gap (20), between the second main tooth (3-1) and the second secondary tooth socket (3-2) and the second pair tooth (2-3) and second
Third compensation gap (21) is provided between secondary tooth socket (3-2).
3. the board-like bridge extension joint of a kind of comb teeth according to claim 2, it is characterised in that: the first main tooth (1-
1) and the first secondary tooth (2-1) is rectangular teeth or arc-shaped gear, and the second main tooth (3-1) and the second secondary tooth (2-3) are rectangle
Tooth.
4. the board-like bridge extension joint of a kind of comb teeth according to claim 2, it is characterised in that: multiple anchor bolts
(6) it is in a row laid with length direction of multiple magnet steel mounting bases (9) along expansion joint (14), the magnet steel mounting base (9)
For cylindrical mounting base, the top of the cylinder mounting base is offered for the anti-mounting groove (9-1) for setting the magnet steel (10),
It is offered along circumferential direction multiple grooves (9-2) on the outer cylinder surface of the cylinder mounting base, the magnet steel (10) passes through
Screw (22) is fixedly mounted in the mounting groove (9-1).
5. the board-like bridge extension joint of a kind of comb teeth according to claim 2, it is characterised in that: the fixed broach plate
(1), offered on across the seam activity fishback (2) and displacement fishback (3) passed through for anchor bolt (6) it is logical
Hole is provided with rubber axle sleeve (8) between the through-hole and anchor bolt (6), and one end of the rubber axle sleeve (8) is provided with convex
The other end of edge (8-1), the rubber axle sleeve (8) is provided with the conical surface (8-2).
6. the board-like bridge extension joint of a kind of comb teeth according to claim 2, it is characterised in that: the bindiny mechanism includes
The first mounting base being mounted on across the seam activity fishback (2), the second installation being mounted on displacement fishback (3)
Seat and it is rotatably installed in linking arm (12) in first mounting base and second mounting base.
7. the board-like bridge extension joint of a kind of comb teeth according to claim 6, it is characterised in that: first mounting base and
The structure of second mounting base is identical, and first mounting base and second mounting base include two ears disposed in parallel
Plate (11-1) and the installation axle (11-2) being mounted on the otic placode (11-1), the both ends of the linking arm (12) are separately mounted to
On two installation axles (11-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488324.4U CN208830146U (en) | 2018-09-11 | 2018-09-11 | A kind of board-like bridge extension joint of comb teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488324.4U CN208830146U (en) | 2018-09-11 | 2018-09-11 | A kind of board-like bridge extension joint of comb teeth |
Publications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453596A (en) * | 2019-07-16 | 2019-11-15 | 刘力源 | Unit assembled equal displacement components comb teeth bridge extension joint |
| CN112227190A (en) * | 2020-10-10 | 2021-01-15 | 江苏港通路桥集团有限公司 | Comb plate telescopic device and mounting process thereof |
| CN114960410A (en) * | 2022-06-23 | 2022-08-30 | 中国十七冶集团有限公司 | Thin-wall reducing high pier structure and long-span bridge |
-
2018
- 2018-09-11 CN CN201821488324.4U patent/CN208830146U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453596A (en) * | 2019-07-16 | 2019-11-15 | 刘力源 | Unit assembled equal displacement components comb teeth bridge extension joint |
| CN110453596B (en) * | 2019-07-16 | 2024-02-27 | 武汉耐久伸缩工程有限公司 | Unit assembled type equal-dividing displacement comb bridge expansion device |
| CN112227190A (en) * | 2020-10-10 | 2021-01-15 | 江苏港通路桥集团有限公司 | Comb plate telescopic device and mounting process thereof |
| CN114960410A (en) * | 2022-06-23 | 2022-08-30 | 中国十七冶集团有限公司 | Thin-wall reducing high pier structure and long-span bridge |
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