CN207812179U - A kind of semifixed continuous beam of straddle-type monorail - Google Patents
A kind of semifixed continuous beam of straddle-type monorail Download PDFInfo
- Publication number
- CN207812179U CN207812179U CN201721614386.0U CN201721614386U CN207812179U CN 207812179 U CN207812179 U CN 207812179U CN 201721614386 U CN201721614386 U CN 201721614386U CN 207812179 U CN207812179 U CN 207812179U
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- China
- Prior art keywords
- seat board
- track girder
- straddle
- bridge pier
- semifixed
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Abstract
The utility model discloses a kind of semifixed continuous beams of straddle-type monorail, including track girder (1), bridge pier (2), basic (3) and cast-in-site stripe (7), a beam section is connected by the cast-in-site stripe (7) between several adjacent orbit beams (1), it is equipped with beam between the track girder (1) and adjacent track girder (1) at the beam section both ends and stitches (4), and it is separately fixed on the bridge pier (2), described beam section one end has movable bearing support (5), the other end is equipped with hold-down support (6), it is set as hold-down support (6) under the track girder (1) among the beam section, it is equipped in the movable bearing support (5) and the hold-down support (6) and stud (508) is turned up.The semifixed continuous beam of the utility model straddle-type monorail, movable bearing support increase the linear controllability of track girder, and hold-down support increases track rigidity, and that stud is turned up makes longitudinal continuously adjustable.
Description
Technical field
The utility model belongs to rail traffic bridge technical field of structures, more particularly, to a kind of straddle-type monorail half
Fixed continuous beam.
Background technology
Straddle-type monorail refers to and supports, stablizes and be oriented to by single rail, and car body straddles the iron run on track girder
Road.Straddle-type monorail feature is adaptable, noise is low, turning radius is small, climbing capacity is very strong.
The structural system that straddle type monorail rail tracks use mainly has：Three kinds of simply supported beam, continuous beam and continuous rigid frame.Freely-supported
Beam is statically determinate structure, referring to Fig. 1, stress it is simple and it is linear can according to circumstances be adjusted, there is no Cast-in-Situ Segment to reduce in structure existing
Field workload；Continuous beam is redundant structure, and referring to Fig. 2, overall stiffness is larger, and across can be strong compared with simply supported beam, structural joint be few, row
Vehicle comfort is preferable；Continuous rigid frame abutment pier also has Cast-in-Situ Segment, and overall stiffness is bigger than continuous beam, referring to Fig. 3.
But above-mentioned three kinds of structural system all existing defects：Simply supported beam rigidity is small, globality and span ability are poor, structure
Stitch it is more cause road-ability to be reported to the leadship after accomplishing a task, bearing is more, and LFM signal is complicated, and maintenance workload is larger；Although continuous beam
Pier top Cast-in-Situ Segment is increased, but structure overall stiffness is poor compared with continuous rigid frame, fixed abutment bears one longitudinal force, bridge pier structure
Size is larger；Pier stud is rigidly connected with track girder in continuous rigid frame, and force majeure factor then bridge is such as encountered during operation
Sedimentation etc. deformations, can not adjust it is linear, replace track girder cost it is big, time-consuming.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provides a kind of semifixed company of straddle-type monorail
Continuous beam, part beam are equipped with cast-in-site stripe in stitching, reduce the quantity of beam seam, and train driving comfort is improved；It is semifixed continuous
Beam cast-in-site stripe lower end is set as hold-down support, which overcomes that bridge pier size needed for continuous beam hold-down support lower end is big to ask
Topic；By setting movable bearing support spaced apart, the shortcoming that continuous rigid frame can not adjust during operation is overcome.Activity branch
It is all made of height-regulating stud in seat and hold-down support, not only so that bearing longitudinal stress is more uniform, while track may be implemented
Beam vertical height continuously adjusts.
To achieve the goals above, a kind of semifixed continuous beam of straddle-type monorail of the utility model offer, including track girder,
Bridge pier, basis and cast-in-site stripe, which is characterized in that the bridge pier is set on the basis, and the track girder segmentation is set to described
On bridge pier, a beam section is connected by the cast-in-site stripe between several adjacent orbit beams；
It is equipped with beam between the track girder and adjacent track girder at the beam section both ends to stitch, and is separately fixed on the bridge pier
On, described beam section one end has movable bearing support, and for increasing the linear adjustability of track girder, the other end is equipped with hold-down support, institute
It states and is set as hold-down support under the track girder among beam section, for making the bridge pier uniform force, to reduce the ruler of bridge pier
It is very little；
Lower seat board and bottom plate are equipped in the movable bearing support and the hold-down support, the lower end of the lower seat board is equipped with circle
Cylindrical hole, the cylindrical hole inner wall are equipped with helicitic texture, and the height-regulating stud lower end is set on the bottom plate, and the upper end is set to
It is whole to improve bearing for the power above track girder to be evenly transferred to bridge pier by the way that stud is turned up in the cylindrical hole
Body uniform force is connect by the height-regulating stud with the screw-thread fit of the cylindrical hole inner wall, for rotating the tune
Step-less adjustment of the high stud realization track in longitudinal height.
Further, the movable bearing support and the hold-down support further include upper base plate, middle seat board and seat board, the seat of honour
Board bottom portion is equipped with opening, and the middle seat board is set in the opening, and the middle seat board has lower seat board, the lower seat board upper end
It is buckled in the opening of the upper base plate, one end of the middle seat board is horizontal structure, and the other end is protruding cylinder surface structure, described
The lower seat board one side adjacent with the middle seat board is equipped with fluted column face structure, is all provided on the inside of the horizontal structure and the upper base plate
There is plane sliding block, for realizing the level sliding of beam body, is equipped in the protruding cylinder surface structure and fluted column face structure
Cylinder sliding block.
Further, it is equipped with buckle structure between the lower seat board and the upper base plate, is equipped with and turns in the buckle structure
Movable slider.
Further, limited block is equipped in the hold-down support, the limited block is located on the lower seat board.
Further, the upper surface of the bottom plate is equipped with inclination-proof device, and the inclination-proof device bottom end is fixed on the bottom plate
Surface on, the inclination prevention structure top be set to the lower seat board in.
Further, the height-regulating stud is equipped with driving hole.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art,
Row advantageous effect：
(1) the semifixed continuous beam of the utility model straddle-type monorail, part beam are equipped with cast-in-site stripe in stitching, and reduce beam seam
Quantity, train driving comfort are improved；Semifixed continuous beam cast-in-site stripe lower end is set as hold-down support, which overcomes
The big problem of bridge pier size needed for continuous beam hold-down support lower end；Pass through setting movable bearing support spaced apart, the company of overcoming
Continue the shortcoming that rigid structure can not adjust during operation.
(2) height-regulating is all made of in the semifixed continuous beam of the utility model straddle-type monorail, movable bearing support and hold-down support
Not only so that bearing longitudinal stress is more uniform, while continuously adjusting for track girder vertical height may be implemented in stud.
(3) horizontal slider is used in the semifixed continuous beam of the utility model straddle-type monorail, movable bearing support and hold-down support
It is more smooth that cylinder sliding block and turning block so that horizontal position is adjusted, flat on the plane sliding block and horizontal structure on upper base plate
Face sliding block forms flat frictional pair together, realizes the horizontal sliding of beam body.
Description of the drawings
Fig. 1 is three across simple beam structure schematic diagram in the prior art；
Fig. 2 is the prior art three across a beam structure schematic diagram；
Fig. 3 is the prior art three across a continuous steel frame structural schematic diagram；
Fig. 4 is a kind of semifixed beam structure schematic diagram of straddle-type monorail of the utility model embodiment；
Fig. 5 is the front view of movable bearing support；
Fig. 6 is the side view of movable bearing support；
Fig. 7 is the front view of hold-down support；
Fig. 8 is the side view of hold-down support.
In all attached drawings, the same reference numeral indicates identical structure and part, wherein：1- track girders, 2- bridge piers, 3-
Basis, 4- beams seam, 5- movable bearing supports, 6- hold-down supports, 7- cast-in-site stripes, 8- movable bearing supports, 9 hold-down supports；
Seat under seat board, 504- cylinders sliding block, 505- turning blocks, 506- in 501- upper base plates, 502- planes sliding block, 503-
Stud, 509- bottom plates, 510- positioning gasket, 511- base boards, 512- tension anchor bolts is turned up in plate, 507- inclination-proof devices, 508-；
613- limited blocks.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.In addition, involved in the various embodiments of the present invention described below
And to technical characteristic can be combined with each other as long as they do not conflict with each other.
Fig. 4 is a kind of semifixed beam structure schematic diagram of straddle-type monorail of the utility model embodiment.With three across one
It is illustrated for one unit, the semifixed continuous beam of the straddle-type monorail includes track girder 1, bridge pier 2, basis 3, beam seam 4, lives
Dynamic bearing 5, hold-down support 6 and cast-in-site stripe 7 are equipped with basis 3 at interval of identical distance, and basis 3 is equipped with bridge pier 2, on bridge pier 2
Equipped with track girder 1, the longitudinal force that bridge pier 2 is used to bear track girder 1 plays the role of supporting track beam 1, two adjacent orbit beams 1
Between be equipped with beam stitch 4, between track girder 1 and bridge pier 2 be equipped with bearing, bearing includes movable bearing support 5 and hold-down support 6.Three across one
Connection, i.e. set that there are two beams to stitch 4 between three adjacent track girders, wherein being filled with cast-in-site stripe 7, the track for disconnecting three
Beam 1 connects into a beam section, enhances whole rigidity and integrality；Three between the track girder and adjacent orbit beam at a both ends
Disconnect, and be fixedly connected on same bridge pier by different bearings respectively, three across a binding beam from one end successively with four bridges
Pier is fixedly connected by bearing, respectively the first bearing, the second bearing, third bearing and the 4th bearing, and the first bearing is activity
Bearing 5 is located at the adjacent orbit beam 1 on same bridge pier with it and is fixed on bridge pier 2 by hold-down support 6, the second bearing, third
Bearing and the 4th bearing are hold-down support 6, and the second bearing is each provided at the track girder equipped with cast-in-site stripe 7 with third bearing and connects
Place, is located at the adjacent orbit beam 1 on same bridge pier with the 4th bearing and is fixed on bridge pier 2 by movable bearing support 5, and three bridge piers are total
With longitudinal horizontal force is born, the longitudinal and transverse direction overall stiffness of structure is improved, and the size on bridge pier and basis is small compared with simply supported beam.
Movable bearing support 5 increases the adjustability of track girder, in the utility model movable bearing support 5 compared with the existing technology in
Movable bearing support 8 done larger improvement, realize the continuity of movable bearing support longitudinally adjust.Fig. 5 is the main view of movable bearing support
Figure.Fig. 6 is the side view of movable bearing support.As shown in Figure 5 and Figure 6, the movable bearing support include upper base plate 501, plane sliding block 502,
Middle seat board 503, cylinder sliding block 504, turning block 505, lower seat board 506, inclination-proof device 507, be turned up stud 508, bottom plate 509,
Positioning gasket 510, base board 511 and tension anchor bolt 512.Holder top be equipped with several embedded bars, holder top it is pre-buried
Track is fixed on bearing for being connect with track, tension anchor bolt 512, tension anchor is equipped under every embedded bar by reinforcing bar
Bolt 512 is fixed on the upper surface of upper base plate 501, and 501 lower part of upper base plate is equipped with opening, and middle seat board 503 is set in the opening, middle seat
503 one end of plate is horizontal structure, and the other end is protruding cylinder surface structure, and horizontal structure is opposite with 501 upper end inner surface of upper base plate, should
Horizontal structure is equipped with plane sliding block 502, and 501 upper end inner surface of upper base plate is equipped with plane sliding block 502, flat on upper base plate 501
Plane sliding block 502 on face sliding block 502 and horizontal structure forms flat frictional pair together, realizes the horizontal sliding of beam body.
Middle seat board 503 has lower seat board 506, and 506 one side adjacent with middle seat board 503 of lower seat board is equipped with and protruding cylinder surface
The fluted column face structure that structure matches, the protruding cylinder surface structure are equipped with cylinder slide plate 504, which is equipped with
Cylinder slide plate 504, the cylinder slide plate 504 on cylinder slide plate 504 and fluted column face structure in protruding cylinder surface structure are formed together
Spherical surface friction is secondary, realizes the rotation of beam body.
The upper end of lower seat board 506 is set in the opening of upper base plate 501, and lower 506 both sides of seat board are buckled in the opening of upper base plate 501
It is interior, turning block 505 is equipped at the bayonet of both sides, the setting of the turning block 505 can coordinate the cylinder in protruding cylinder surface structure
Cylinder slide plate 504 on slide plate 504 and fluted column face structure forms that spherical surface friction is secondary to realize the smooth of beam body and upper base plate together
Rotation.
506 lower section of lower seat board is equipped with bottom plate 509, and the longitudinal profile of bottom plate 509 is inverted T-shaped, lower seat board 506 and bottom plate 509
Between separate setting, the upper surface of bottom plate 509 is equipped with inclination-proof device 507, which is fixed on bottom plate 509
On upper surface, the top of the inclination prevention structure 507 is set within lower seat board 506, and the setting of inclination prevention structure 507 can effectively prevent track
It tilts with bearing, to which steadily track is located on the bridge pier of lower part.
Bottom plate 509 is equipped with cylindrical hole, which is helicitic texture, and lower seat board 506 corresponds to bottom plate 509
On cylindrical hole at be again provided with inner wall be helicitic texture cylindrical hole, be turned up stud 508 be cylindrical structure, be turned up spiral shell
The diameter of column 508 and the diameter of cylindrical hole match, and the outer wall of the height-regulating stud 508 is helicitic texture, the height-regulating stud 508
One end is set in the cylindrical hole of bottom plate 509, and the other end is set in the cylindrical hole of lower seat board 506, and stud 508 is turned up and is located at
Position between lower seat board 506 and bottom plate 509 at partition is equipped with spanner jack, enables to adjust by the effect of spanner and be turned up
Stud 508 rotates so as to adjust the vertical height of bearing, realizes that the stepless continuous of vertical height is adjusted.Stud 508 is turned up
Tension and compression load can be transmitted, the non-uniform problem of existing cast steel pulling force bearing power transmission is overcome, improves the equal of bearing entirety stress
Even property.
509 lower section of bottom plate is equipped with base board 511, and 511 lower section of base board is equipped with several tension anchor bolts 512, every tension anchor
It is equipped with embedded bar under bolt 512, the embedded bar with lower part bridge pier for connecting, to which bearing is fixed on lower part bridge pier
On.
Hold-down support 6 constrains length travel, lateral displacement, lateral corner, only discharges longitudinal corner.Hold-down support 6 is opposite
It make a big improvement in hold-down support 9 in the prior art.Fig. 7 is the front view of hold-down support.Fig. 8 is the side view of hold-down support
Figure.As shown in Figure 7 and Figure 8, hold-down support also include upper base plate 501, plane sliding block 502, middle seat board 503, cylinder sliding block 504,
Lower seat board 506, inclination-proof device 507, stud 508, bottom plate 509, positioning gasket 510,511 and of base board is turned up in turning block 505
Tension anchor bolt 512, and structure is identical with movable bearing support 5 as function, hold-down support 6 and movable bearing support 5 difference lies in, Gu
Determine bearing 6 and be equipped with limited block 613 on lower seat board 506, for limiting cylinder slide plate 504 and fluted column in protruding cylinder surface structure
Cylinder slide plate 504 in the structure of face forms 502 He of plane sliding block in spherical surface friction secondary rotation and upper base plate 501 together
Plane sliding block 502 on horizontal structure forms the horizontal sliding of flat frictional pair, limitation lateral displacement and lateral corner together.It is vertical
It is fixed to displacement by the way that stud 508 is turned up.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
For limiting the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of semifixed continuous beam of straddle-type monorail, including track girder (1), bridge pier (2), basic (3) and cast-in-site stripe (7),
It being characterized in that, the bridge pier (2) is set on basic (3), and track girder (1) segmentation is set on the bridge pier (2),
A beam section is connected by the cast-in-site stripe (7) between several adjacent orbit beams (1)；
It is equipped with beam between the track girder (1) and adjacent track girder (1) at the beam section both ends and stitches (4), and is separately fixed on described
On bridge pier (2), described beam section one end has movable bearing support (5), and for increasing the linear adjustability of track girder, the other end is equipped with solid
Determine bearing (6), hold-down support (6) be set as under the track girder (1) among the beam section, for make the bridge pier (2) by
Power is uniform, to reduce the size of bridge pier；
Lower seat board (506) and bottom plate (509), the lower seat board are equipped in the movable bearing support (5) and the hold-down support (6)
(506) lower end is equipped with cylindrical hole, and the cylindrical hole inner wall is equipped with helicitic texture, and the bottom plate (509), which is equipped with, to be turned up
Stud (508), the upper end that stud (508) is turned up is set in the cylindrical hole, for passing through the power above track girder
Be turned up stud be evenly transferred on bridge pier, to improve bearing entirety uniform force, by the height-regulating stud (508) with it is described
The screw-thread fit of cylindrical hole inner wall connects, and realizes track in the stepless of longitudinal height for rotating the height-regulating stud (508)
It adjusts.
2. the semifixed continuous beam of a kind of straddle-type monorail according to claim 1, which is characterized in that the movable bearing support
(5) and the hold-down support (6) further includes upper base plate (501), middle seat board (503) and seat board (511)；
Upper base plate (501) bottom is equipped with opening, and the middle seat board (503) is set in the opening, the middle seat board (503)
Lower seat board (506) is had, lower seat board (506) upper end is buckled in the opening of the upper base plate (501), the middle seat board
(503) one end is horizontal structure, and the other end is protruding cylinder surface structure, the lower seat board (506) and middle seat board (503) phase
Adjacent one side is equipped with fluted column face structure, and plane sliding block is equipped on the inside of the horizontal structure and the upper base plate (501)
(502), it is slided for realizing the level of beam body, cylinder cunning is equipped in the protruding cylinder surface structure and fluted column face structure
Block (504).
3. the semifixed continuous beam of a kind of straddle-type monorail according to claim 2, which is characterized in that the lower seat board
(506) it is equipped with buckle structure between the upper base plate (501), turning block (505) is equipped in the buckle structure.
4. the semifixed continuous beam of a kind of straddle-type monorail according to claim 1 or 2, which is characterized in that the fixed branch
Limited block (613) is equipped in seat (6), the limited block (613) is located on the lower seat board (506).
5. the semifixed continuous beam of a kind of straddle-type monorail according to claim 1, which is characterized in that the bottom plate (509)
Upper surface be equipped with inclination-proof device (507), inclination-proof device (507) bottom end is fixed on the surface of the bottom plate (509), institute
Inclination-proof device (507) top is stated in the lower seat board (506).
6. the semifixed continuous beam of a kind of straddle-type monorail according to claim 1, which is characterized in that the height-regulating stud
(508) it is equipped with driving hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721614386.0U CN207812179U (en) | 2017-11-28 | 2017-11-28 | A kind of semifixed continuous beam of straddle-type monorail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721614386.0U CN207812179U (en) | 2017-11-28 | 2017-11-28 | A kind of semifixed continuous beam of straddle-type monorail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207812179U true CN207812179U (en) | 2018-09-04 |
Family
ID=63333690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721614386.0U Withdrawn - After Issue CN207812179U (en) | 2017-11-28 | 2017-11-28 | A kind of semifixed continuous beam of straddle-type monorail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207812179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988857A (en) * | 2017-11-28 | 2018-05-04 | 中铁第四勘察设计院集团有限公司 | A kind of semifixed continuous beam of straddle-type monorail |
| CN109162157A (en) * | 2018-09-17 | 2019-01-08 | 中国建筑第八工程局有限公司 | The construction method of track girder |
-
2017
- 2017-11-28 CN CN201721614386.0U patent/CN207812179U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988857A (en) * | 2017-11-28 | 2018-05-04 | 中铁第四勘察设计院集团有限公司 | A kind of semifixed continuous beam of straddle-type monorail |
| CN107988857B (en) * | 2017-11-28 | 2023-08-25 | 中铁第四勘察设计院集团有限公司 | Straddle type monorail semi-fixed continuous beam |
| CN109162157A (en) * | 2018-09-17 | 2019-01-08 | 中国建筑第八工程局有限公司 | The construction method of track girder |
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20180904 Effective date of abandoning: 20230825 |