CN209276916U - Track beam assembly and expanded joint structure - Google Patents
Track beam assembly and expanded joint structure Download PDFInfo
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- CN209276916U CN209276916U CN201822231772.2U CN201822231772U CN209276916U CN 209276916 U CN209276916 U CN 209276916U CN 201822231772 U CN201822231772 U CN 201822231772U CN 209276916 U CN209276916 U CN 209276916U
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- connecting plate
- track girder
- tooth
- plate
- joint structure
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Abstract
The utility model discloses a kind of track beam assembly and expanded joint structure, the latter includes the first connecting plate, the second connecting plate, the first engagement tooth plate and the second engagement tooth plate；Wherein, first connecting plate is fixedly connected with the first track girder in adjacent two track girder, second connecting plate is fixedly connected with the second track girder in adjacent two track girder, first engagement tooth plate is set to first connecting plate towards one end of second track girder, second engagement tooth plate is set to second connecting plate towards one end of first track girder, and the engaging tooth that the engaging tooth of the second engagement tooth plate engages tooth plate with described first is meshed.The expanded joint structure realizes the connection of edge joint position by way of setting connecting plate and tooth form engagement, avoids track beam body caused by due to expanding with heat and contract with cold with mismachining tolerance etc. and deforms, so that train driving is more steady.
Description
Technical field
The utility model belongs to technical field of rail traffic more particularly to a kind of track beam assembly and expanded joint structure.
Background technique
Suspension type monorail traffic system is one kind of monorail transit, and track girder is the key that suspension type monorail traffic system group
At part, carrying is provided for suspension monorail, existing track girder is mostly under shed box beam, and suspended vehicle traveling is in rail
Inside road beam, travelling wheel is travelled on the rail of box beam under shed two sides, and directive wheel acts on two coxostermum of track girder, rail
Road beam uses all steel precast construction, and route is spliced by the track girder of certain span.But due to beam length mismachining tolerance, beam
The effect of body thermal expansion and cold contraction effect etc., so that track girder easily deforms, to influence the even running of vehicle.
Utility model content
The purpose of this utility model is at least to solve one of above-mentioned problems of the prior art, the purpose be by with
Lower technical solution is realized.
The utility model provides a kind of expanded joint structure, is set to the edge joint position of adjacent two track girder, comprising:
First connecting plate, first connecting plate are fixedly connected with the first track girder in adjacent two track girder；
Second connecting plate, second connecting plate are fixedly connected with the second track girder in adjacent two track girder；
First engagement tooth plate, the first engagement tooth plate are set to first connecting plate towards second track girder
One end；
Second engagement tooth plate, the second engagement tooth plate are set to second connecting plate towards first track girder
One end, and the engaging tooth that the engaging tooth of the second engagement tooth plate engages tooth plate with described first is meshed.
Further, side of first connecting plate far from second connecting plate is inclined side；And/or described
Side of two connecting plates far from first connecting plate is inclined side.
Further, first connecting plate is bolted with first track girder, and the spiral shell of first connecting plate
Bolt mounting hole is the first counter sink, is embedded in for connecting the bolt head of bolt of first connecting plate and first track girder
In first counter sink, and the height of the bolt head is less than or equal to travelled by vehicle face.
Further, second connecting plate is bolted with second track girder, and the spiral shell of second connecting plate
Bolt mounting hole is the second counter sink, is embedded in for connecting the bolt head of bolt of second connecting plate and second track girder
In second counter sink, and the height of the bolt head is less than or equal to travelled by vehicle face.
Further, the engaging tooth of the first engagement tooth plate is several first rectangular teeths, the second engagement tooth plate
Engaging tooth is several second rectangular teeths, and each first rectangular teeth is inserted into adjacent two second rectangular teeth correspondingly and nibbles
It closes.
Further, between the bottom of the tooth of first engaging tooth and first connecting plate and the tooth of the second engaging tooth
Default tooth plate thickness is all had between bottom and second connecting plate.
Further, the castellated edge of first engaging tooth and/or the castellated edge of second engaging tooth have
Rounded structure.
Further, the field of conjugate action of the field of conjugate action of first engaging tooth and second engaging tooth being meshed therewith it
Between have the first prepsetting gap；And/or have between the crest top land of first engaging tooth and the slot bottom of tooth socket with matching
There is the second prepsetting gap.
Further, first connecting plate and/or second connecting plate are trapezoidal plate.
The utility model also provides a kind of track beam assembly, further includes setting including several section track girders being disposed adjacent
Expanded joint structure between each adjacent two track girder, the expanded joint structure are expanded joint structure as described above.
Further, the first accommodation groove is offered on the breadth of first track girder, first connecting plate is embedded in institute
It states in the first accommodation groove, and the upper surface of first connecting plate is less than or equal to the breadth height of first track girder；And/
Or,
The second accommodation groove, the second connecting plate insertion second accommodating are offered on the breadth of second track girder
In slot, and the upper surface of second connecting plate is less than or equal to the breadth height of second track girder.
Expanded joint structure provided by the utility model realizes edge joint position by way of setting connecting plate and tooth form engagement
Connection, avoid track girder caused by due to expanding with heat and contract with cold etc. and deform；Also, the side for being located remotely from each other two connecting plates
It is designed as inclined surface, buffering can be provided in the process of moving for vehicle, vehicle is obtained in edge joint position steady excessive,
It jolts to reduce vehicle what edge joint position generated, improves the stationarity of train operation.Meanwhile be connected by screw bolts etc. can
The mode of dismantling connection reduces the difficulty of expansion joint installation, improves maintenance convenience.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift specific embodiment of the present utility model.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of expanded joint structure provided by the utility model；
Fig. 2 is the side view of expanded joint structure shown in Fig. 1；
Fig. 3 is the top view of the first connecting plate in expanded joint structure shown in Fig. 1；
Fig. 4 is the side view of the first connecting plate shown in Fig. 3；
Fig. 5 is the top view of the second connecting plate in expanded joint structure shown in Fig. 1；
Fig. 6 is the side view of the second connecting plate shown in Fig. 5.
Description of symbols:
100- the first track girder the second track girder of 200-
The first connecting plate of 11- 12- first engages tooth plate
13- the first rectangular teeth the first counter sink of 14-
The second connecting plate of 21- 22- second engages tooth plate
23- the second rectangular teeth the second counter sink of 24-
Specific embodiment
The utility model provides a kind of expanded joint structure, to solve track girder mutability in the prior art, flexible
Stitch technical problem difficult to install.
In a specific embodiment, as shown in figs 1 to 6, expanded joint structure provided by the utility model is set to phase
The edge joint position of adjacent two track girders, it should be appreciated that in a complete traffic system, more piece will include according to path length
Track girder, two adjacent track girders will form a piece, which is set to each edge joint position, to improve
Stationarity of the train in edge joint position.
The expanded joint structure includes the first connecting plate 11, the second connecting plate 21, first engagement tooth plate 12 and the second engaging tooth
Plate 22.Wherein, the first connecting plate 11 is fixedly connected with the first track girder 100 in adjacent two track girder, the second connecting plate 21 with
The second track girder 200 in adjacent two track girder is fixedly connected；First engagement tooth plate 12 is set to 11 court of the first connecting plate
To one end of second track girder 200, the second engagement tooth plate 22 is set to second connecting plate 21 towards first rail
One end of road beam 100, and the engaging tooth that the engaging tooth of the second engagement tooth plate 22 engages tooth plate 12 with described first is meshed,
First connecting plate 11 and the second connecting plate 21 are realized by the intermeshing of two engagement tooth plates to be connected, and then realizes adjacent two track
Connection between beam.
Above-mentioned first engagement tooth plate 12 can be arranged in by the modes such as welding, being bolted, snap connection or be integrally formed
The thickness of the end of first connecting plate 11, the first engagement tooth plate 12 is greater than the thickness of the first connecting plate 11.Similarly, the second engagement
The end that the second connecting plate 21 can also be arranged in by the modes such as welding, being bolted, snap connection or be integrally formed in tooth plate 22
The thickness in portion, the second engagement tooth plate 22 is greater than the thickness of the second connecting plate 21.
It is apparent that the first engagement tooth plate 12 includes engagement threaded portion and tooth plate part, tooth plate part with first for connecting
Plate 11 is connected, it is understood that is engaging tooth in the one end for being opened in tooth plate；Similarly, the second engagement tooth plate 22 is engaged with first
12 structure of tooth plate is identical, does not repeat.
Side of first connecting plate far from second connecting plate is inclined side；And/or second connecting plate is remote
Side from first connecting plate is inclined side, the lopsided tilt angle be greater than 0 ° and less than 90 °, i.e., with it is trapezoidal
Bottom edge forms inclined at acute angles face.Specifically, above-mentioned first connecting plate 11 and the second connecting plate 21 can be trapezoidal plate, this is trapezoidal
Plate is ladder structure of right angle, and trapezoidal bevel edge (the trapezoidal bevel edge is above-mentioned inclined side) is the side far from another connecting plate
(i.e. the bevel edge of the first connecting plate 11 is its a side far from the second connecting plate 21, and the bevel edge of the second connecting plate 21 is that it is remote on side
A side from the first connecting plate 11), trapezoidal straight flange is (i.e. the first connecting plate 11 is straight close to a side of another connecting plate
For Bian Weiqi close to a side of the second connecting plate 21, the straight flange of the second connecting plate 21 is it close to the side of the first connecting plate 11
Side).First connecting plate 11 and the second connecting plate 21 are also not limited to as trapezoidal plate, and one of the two or both may be
Rectangle, oblong, circular slab form.
It can be used between first connecting plate 11 and the first track girder 100, between the second connecting plate 21 and the second track girder 200
The connection types such as bolt and nut pair, screw or rivet are fixedly connected, and same connection side can be used between two groups of connection structures
Formula can also use different connection types.
Preferably, to be easily installed and later maintenance, between the first connecting plate 11 and the first track girder 100, the second connection
The structure type that bolt and nut pair is all made of between plate 21 and the second track girder 200 achieves a fixed connection.Specifically, described first
Connecting plate 11 is bolted with first track girder 100, and the bolt mounting holes of first connecting plate 11 are the first countersunk head
Hole 14, the bolt head insertion described first for connecting first connecting plate 11 and the bolt of first track girder 100 are heavy
In head bore 14, and the height of the bolt head is less than or equal to travelled by vehicle face.Second connecting plate 21 and second track
Beam 200 is bolted, and the bolt mounting holes of second connecting plate 21 are the second counter sink 24, is connected for connecting described second
The bolt head of the bolt of fishplate bar 21 and second track girder 200 is embedded in second counter sink 24, and the height of the bolt head
Degree is less than or equal to travelled by vehicle face.
In above structure, bolt mounting holes are counter sink, and corresponding bolt is installed at counter sink, the bolt head of bolt
Partial highest point is lower than travelled by vehicle face height, generates interference to avoid with vehicle to run, and locking using anticreep in bottom
Nut connection, falls off to prevent nut loosening and falling object from high altitude is caused to hurt sb.'s feelings.
Further, which can be strip-shaped hole or slotted hole, due to depositing for the mismachining tolerance that is difficult to evade
So that installation site of the connecting plate on track girder is difficult to accurate determination, bolt mounting holes are being designed to strip-shaped hole or oval
The form in hole, can significantly reduce the requirement on machining accuracy of related components, to reduce processing cost.Theoretically, which pacifies
Filling hole may be circular hole.
Expanded joint structure provided by the utility model realizes edge joint position by way of setting connecting plate and tooth form engagement
Connection, avoid track girder caused by due to expanding with heat and contract with cold etc. and deform；Also, the side for being located remotely from each other two connecting plates
It is designed as inclined surface, buffering can be provided in the process of moving for vehicle, vehicle is obtained in edge joint position steady excessive,
It jolts to reduce vehicle what edge joint position generated, improves the stationarity of train operation.Meanwhile be connected by screw bolts etc. can
The mode of dismantling connection reduces the difficulty of expansion joint installation, improves maintenance convenience.
Further, the engaging tooth of the first engagement tooth plate 12 is several first rectangular teeths 13, second engaging tooth
The engaging tooth of plate 22 is several second rectangular teeths 23, and each first rectangular teeth 13 is inserted into adjacent two described second correspondingly
Rectangular teeth 23 simultaneously engages.Rectangle toothing is relatively simple, easy to process, it is thus evident that engaging tooth may be the forms such as trapezoidal, answer
When understanding, in order to guarantee meshing relation, the engagement that the engaging tooth shape of the first engagement tooth plate 12 engages tooth plate 22 with second
Odontoid is answered identical.
Between the bottom of the tooth of first engaging tooth and first connecting plate 11 and the bottom of the tooth of the second engaging tooth and described second
Default tooth plate thickness is all had between connecting plate 21, the preset value of the thickness can be determined according to operating condition, and it is high to be usually no more than tooth
One third.In this way, in root portion, there are certain thickness not to process, and can reduce rectangular teeth caused by due to colliding in transport
Deformation, additionally it is possible to alleviate because of the deformation of single rectangular teeth, unbalance stress, and the influence to expanded joint structure service life.
The castellated edge of above-mentioned first engaging tooth and/or the castellated edge of second engaging tooth have rounding corner structure.
When suspension type monorail travelled by vehicle wheel travels on when expansion joint is in sliding friction or track girder is by dead load and mobile load, then not
Avoidable ground can cause bridge to generate a certain range of amount of deflection (amount of deflection is the deformation in allowed band), by rectangular teeth
Castellated edge round corner treatment will not generate dissection to travelling wheel so that two connecting plates are when compression forms angle, from
And the destruction swung to traveling is avoided, it ensure that the service life of travelling wheel.
Further, the field of conjugate action of the field of conjugate action of first engaging tooth and second engaging tooth being meshed therewith it
Between have the first prepsetting gap；And/or have between the crest top land of first engaging tooth and the slot bottom of tooth socket with matching
There is the second prepsetting gap.It is dry when rectangular teeth assembles caused by can effectivelying prevent because of mismachining tolerance by the way that in the left and right sides, there are gaps
It relates to, end preset clearance, can compensate for track girder, bring influences due to track girder is caused to extend for the variation of temperature.
In addition to above-mentioned expanded joint structure, the utility model also provides a kind of track beam assembly including the expanded joint structure,
The track beam assembly includes several section track girders being disposed adjacent, and is respectively arranged at flexible between each adjacent two track girder
Crack structure.
Further, the first accommodation groove is offered on the breadth of first track girder 100, first connecting plate 11 is embedding
Enter in first accommodation groove, and the upper surface of first connecting plate 11 is less than or equal to the width of first track girder 100
Face height；And/or the second accommodation groove is offered on the breadth of second track girder 200, second connecting plate 21 is embedded in institute
It states in the second accommodation groove, and the upper surface of second connecting plate 21 is high less than or equal to the breadth of second track girder 200
Degree.Connecting plate is arranged in accommodation groove, can avoid connecting plate protrusion and collide and interfere with travelling wheel, to ensure that row
Into steady, the service life of travelling wheel is extended.
It should be pointed out that the ordinal numbers such as " first, second " described in text, merely to distinguishing the different knots of same names
Structure does not indicate certain sequence, more should not be construed as any restriction only for convenience of description.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications can be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model embodiment.In this way, if these modifications and variations of the utility model embodiment belong to this
Within the scope of utility model claims and its equivalent technologies, then the utility model is also intended to encompass these modification and variations and exists
It is interior.
Claims (10)
1. a kind of expanded joint structure is set to the edge joint position of adjacent two track girder characterized by comprising
First connecting plate, first connecting plate are fixedly connected with the first track girder in adjacent two track girder；
Second connecting plate, second connecting plate are fixedly connected with the second track girder in adjacent two track girder；
First engagement tooth plate, the first engagement tooth plate are set to first connecting plate towards the one of second track girder
End；
Second engagement tooth plate, the second engagement tooth plate are set to second connecting plate towards the one of first track girder
End, and the engaging tooth that the engaging tooth of the second engagement tooth plate engages tooth plate with described first is meshed.
2. expanded joint structure as described in claim 1, which is characterized in that first connecting plate is far from second connecting plate
Side be inclined side；And/or side of second connecting plate far from first connecting plate is inclined side.
3. expanded joint structure as described in claim 1, which is characterized in that first connecting plate and the first track girder spiral shell
Tether and connect, and the bolt mounting holes of first connecting plate be the first counter sink, for connect first connecting plate with it is described
The bolt head of the bolt of first track girder is embedded in first counter sink, and the height of the bolt head is walked less than or equal to vehicle
Row face；And/or
Second connecting plate is bolted with second track girder, and the bolt mounting holes of second connecting plate are second
Counter sink is embedded in second counter sink for connecting the bolt head of bolt of second connecting plate and second track girder
It is interior, and the height of the bolt head is less than or equal to travelled by vehicle face.
4. expanded joint structure as described in claim 1, which is characterized in that the engaging tooth of the first engagement tooth plate is several the
The engaging tooth of one rectangular teeth, the second engagement tooth plate is several second rectangular teeths, and each first rectangular teeth is correspondingly
It is inserted into adjacent two second rectangular teeth and engages.
5. expanded joint structure as claimed in claim 4, which is characterized in that the bottom of the tooth of first engaging tooth and described first connects
Default tooth plate thickness is all had between fishplate bar and between the bottom of the tooth of the second engaging tooth and second connecting plate.
6. expanded joint structure as claimed in claim 5, which is characterized in that the castellated edge of first engaging tooth and/or institute
The castellated edge for stating the second engaging tooth has rounding corner structure.
7. expanded joint structure as claimed in claim 6, which is characterized in that the field of conjugate action of first engaging tooth with mutually nibble therewith
There is the first prepsetting gap between the field of conjugate action of second engaging tooth closed；And/or the crest top land of first engaging tooth and
There is the second prepsetting gap between the slot bottom of tooth socket with matching.
8. expanded joint structure as described in claim 1, which is characterized in that first connecting plate and/or second connection
Plate is trapezoidal plate.
9. a kind of track beam assembly, including several section track girders being disposed adjacent, which is characterized in that further include be set to it is each adjacent
Expanded joint structure between two track girders, the expanded joint structure are such as the described in any item expanded joint structures of claim 1-8.
10. track beam assembly as claimed in claim 9, which is characterized in that offer on the breadth of first track girder
One accommodation groove, first connecting plate is embedded in first accommodation groove, and the upper surface of first connecting plate is lower than or waits
In the breadth height of first track girder；And/or
The second accommodation groove is offered on the breadth of second track girder, second connecting plate is embedded in second accommodation groove
It is interior, and the upper surface of second connecting plate is less than or equal to the breadth height of second track girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231772.2U CN209276916U (en) | 2018-12-28 | 2018-12-28 | Track beam assembly and expanded joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231772.2U CN209276916U (en) | 2018-12-28 | 2018-12-28 | Track beam assembly and expanded joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209276916U true CN209276916U (en) | 2019-08-20 |
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ID=67608007
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822231772.2U Active CN209276916U (en) | 2018-12-28 | 2018-12-28 | Track beam assembly and expanded joint structure |
Country Status (1)
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|---|---|
| CN (1) | CN209276916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575668A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Track beam and track traffic system with same |
-
2018
- 2018-12-28 CN CN201822231772.2U patent/CN209276916U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112575668A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Track beam and track traffic system with same |
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