CN107700344B - Suspension type monorail track roof beam expansion joint structure and monorail system - Google Patents
Suspension type monorail track roof beam expansion joint structure and monorail system Download PDFInfo
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- CN107700344B CN107700344B CN201710823153.XA CN201710823153A CN107700344B CN 107700344 B CN107700344 B CN 107700344B CN 201710823153 A CN201710823153 A CN 201710823153A CN 107700344 B CN107700344 B CN 107700344B
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- track beam
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- 239000000725 suspension Substances 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/08—Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
- E01B25/10—Mono-rails; Auxiliary balancing rails; Supports or connections for rails
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a suspension type monorail track beam expansion joint structure and a monorail system, wherein an expansion joint is reserved between two adjacent track beams of the expansion joint structure, two groups of connecting plates are arranged at the bottom plate of the end part of each track beam, all the connecting plates are positioned in a cavity of the track beam, the top surface of each connecting plate is flush with the top surface of the bottom plate, each group of connecting plates comprises two right-angle trapezoidal plates, the oblique sides of the two right-angle trapezoidal plates are oppositely arranged to form a rectangle, a gap I is arranged between the oblique sides of the two right-angle trapezoidal plates, one end of each right-angle trapezoidal plate is fixedly connected with the end part of one track beam, the other end of each right-angle trapezoidal plate is lapped with the end part of the adjacent track beam, and a gap II is arranged between one lapped end of each right-angle trapezoidal plate and the corresponding bottom plate. By using the expansion joint structure, the axial and transverse free deformation requirements along the track beam are met, the train is ensured to smoothly drive through the expansion joint, the expansion joint is not easy to damage, the expansion requirement of the track beam is met, and the expansion joint structure of the suspension type monorail track beam is simple in structure and convenient to install, maintain and repair.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a suspension type monorail track beam expansion joint structure and a monorail system.
Background
The suspended monorail traffic is a new system of rail traffic. The thin-wall C-shaped track beam with the lower opening is supported on the pier stud, and the train is hung below the track beam through the C-shaped opening. The suspended monorail vehicle adopts rubber wheels, the bearing wheels are supported on a cantilever bottom plate below the track beam, and the travelling wheels and the guide wheels respectively act on webs at two sides of the track beam. The suspension type monorail traffic gets rid of the traditional ground track traffic mode and turns to the air development, has small turning radius and strong climbing capacity, effectively utilizes urban space, relieves urban traffic jam, and is an important direction of future track traffic development.
The bridge expansion joint is a joint-crossing device which is arranged between the beam ends of each link of the bridge structure, between the beam ends and the abutment back or at the hinge position of the bridge and can deform freely in order to adapt to the deformation of the bridge structure. The bridge span structure is free to stretch and deform according to the static diagram under the influence of factors such as temperature change, concrete shrinkage creep, load action, settlement of bridge abutment and creep, so that the automobile is comfortable and smooth to run, and meanwhile, the bridge span structure is waterproof and prevents silt and sundries from entering a seam. The structures such as the railing, the sidewalk and the like near the expansion joint are also disconnected so as to meet the free deformation of the beam body.
Due to the influences of factors such as bridge deflection, bridge deck longitudinal slope, running braking force and the like caused by temperature change, shrinkage and creep of concrete, constant load and live load, the expansion joint of the suspended monorail track beam is easy to generate diseases such as early damage, joint body falling, local stripping of the cast-in-place concrete surface, even breakage and the like, not only the jolt is not only caused when a vehicle runs, but also running accidents are even caused when the vehicle runs seriously, the whole service level of the bridge is reduced, but also the safety of the whole bridge structure is influenced, and the later maintenance and overhaul work is numerous and complex.
Disclosure of Invention
The invention aims to overcome the defects that the expansion joint of a suspended single track rail beam is easy to be damaged, so that driving jolt and driving accidents are caused, the safety of the whole structure of the bridge is influenced, and the later maintenance and overhaul are inconvenient due to the influence of factors such as bridge deflection, bridge deck longitudinal slope, driving braking force and the like caused by temperature change, shrinkage and creep of concrete, constant load and active load in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
a suspension type monorail track roof beam expansion joint structure reserves the expansion joint between two adjacent track roof beam tip, every track roof beam tip's bottom plate department sets up two sets of connecting plates, all the connecting plate is located in the track roof beam cavity and the top surface with the bottom plate top surface flushes, every group the connecting plate includes two right angle trapezoidal plates, two the hypotenuse of right angle trapezoidal plate sets up relatively and forms a rectangle, two be equipped with gap one between the hypotenuse of right angle trapezoidal plate, every right angle trapezoidal plate one end fixed connection in one the tip of track roof beam, the other end overlap joint is adjacent track roof beam's tip, every right angle trapezoidal plate overlap joint's one end with corresponding be equipped with gap two between the bottom plate.
By adopting the expansion joint structure of the suspension type single-rail track beam, the connecting plates are arranged on the expansion joints between two adjacent track beams, each connecting plate comprises two right-angle trapezoidal plates, a first gap is arranged between each right-angle trapezoidal plate and each track beam, a second gap is arranged between each right-angle trapezoidal plate and each track beam, the first gap can meet the axial and transverse free deformation requirements of the track beam, the second gap can meet the axial free deformation requirements of the track beam, the expansion joints are ensured to be smoothly driven by trains, the expansion joints are protected from being damaged, and the expansion joint structure of the suspension type single-rail track beam is simple in structure and convenient to install, maintain and repair.
Preferably, one right-angle trapezoidal plate in each group of connecting plates is fixedly connected to one track beam, and the other right-angle trapezoidal plate is fixedly connected to the adjacent track beam.
Preferably, the larger width end of each right-angle trapezoidal plate is fixedly connected with one track beam.
Preferably, the two sets of connection plates are symmetrically arranged about the centre line of the rail beam.
Preferably, one end of each right-angle trapezoid plate is provided with a countersunk screw hole and is fixedly connected to the end of one track beam through a countersunk screw.
Preferably, the first gap spacing is equal to the second gap spacing.
Preferably, each of the right angle trapezoidal plates is a steel plate or a composite plate.
The invention also provides a monorail system which comprises an uplink monorail track and a downlink monorail track, wherein the uplink monorail track and the downlink monorail track respectively comprise a plurality of track beams, and two adjacent track beams are connected with each other through the expansion joint structure of the suspension type monorail track beam.
The connecting plate is arranged on the expansion joint on the track beam, the connecting plate comprises two right-angle trapezoidal plates, a first gap is arranged between the two right-angle trapezoidal plates, a second gap is arranged between each right-angle trapezoidal plate and the track beam, the first gap can meet the requirement of free deformation along the axial direction and the transverse direction of the track beam, the second gap can meet the requirement of free deformation along the axial direction of the track beam, the train is ensured to smoothly drive through the expansion joint, the expansion joint is protected from being damaged, and the expansion requirement of the track beam is met, so that the monorail system has a simple structure and is convenient to install, maintain and repair.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. by applying the expansion joint structure of the suspension type monorail track beam, the connecting plates are arranged on the expansion joints between two adjacent track beams, each connecting plate comprises two right-angle trapezoidal plates, a first gap is arranged between each two right-angle trapezoidal plates, a second gap is arranged between each right-angle trapezoidal plate and each track beam, the first gap can meet the axial and transverse free deformation requirements of the track beam, the second gap can meet the axial free deformation requirements of the track beam, the expansion joints are ensured to be smoothly driven by trains, the expansion joints are prevented from being damaged, and the expansion joint structure of the suspension type monorail track beam is simple in structure, convenient to install, maintain and repair;
2. the connecting plate is arranged on the expansion joint on the track beam, the connecting plate comprises two right-angle trapezoidal plates, a first gap is arranged between the two right-angle trapezoidal plates, a second gap is arranged between each right-angle trapezoidal plate and the track beam, the first gap can meet the requirement of free deformation along the axial direction and the transverse direction of the track beam, the second gap can meet the requirement of free deformation along the axial direction of the track beam, the train is ensured to smoothly drive through the expansion joint, the expansion joint is protected from being damaged, and the expansion requirement of the track beam is met, so that the monorail system has a simple structure and is convenient to install, maintain and repair.
Drawings
FIG. 1 is a schematic view of a suspended monorail track beam;
FIG. 2 is a top view of a suspended monorail track beam expansion joint construction according to the present invention;
FIG. 3 is a bottom view of a suspended monorail track beam expansion joint construction according to the present invention;
FIG. 4 is a schematic view of the structure of two right angle trapezoidal plates arranged opposite to each other;
FIG. 5 is a schematic view of the structure of two rectangular plates arranged opposite to each other;
fig. 6 is a schematic structural view of a monolithic rectangular plate.
The marks in the figure: the device comprises a 1-track beam, a 11-bottom plate, a 2-expansion joint, a 3-right-angle trapezoid plate, a 4-gap I and a 5-gap II.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1-4, in the expansion joint structure of the suspended monorail track beam, an expansion joint 2 is reserved between the end parts of two adjacent track beams 1.
Every bottom plate 11 department of track roof beam 1 tip sets up two sets of connecting plates, all the connecting plate is located track roof beam 1 cavity in and the top surface with bottom plate 11 top surface flushes, every group the connecting plate includes two right angle trapezoidal plate 3, two the hypotenuse of right angle trapezoidal plate 3 sets up relatively and forms a rectangle, two be equipped with gap one 4 between the hypotenuse of right angle trapezoidal plate 3, every right angle trapezoidal plate 3 one end fixed connection in one track roof beam 1's tip, the other end overlap joint is in adjacent track roof beam 1's tip, every right angle trapezoidal plate 3 overlap joint one end with be equipped with gap two 5 between the corresponding bottom plate 11.
As a preferable scheme of this embodiment, one right-angle trapezoidal plate 3 in each group of connecting plates is fixedly connected to one track beam 1, the other right-angle trapezoidal plate 3 is fixedly connected to the adjacent track beam 1, one end of each right-angle trapezoidal plate 3 with larger width is fixedly connected to one track beam 1, two groups of connecting plates are symmetrically arranged about the central line of the track beam 1, one end of each right-angle trapezoidal plate 3 is provided with a countersunk screw hole and is fixedly connected to one end of the track beam 1 through a countersunk screw, the value of the interval of the first 4 is equal to the value of the interval of the second 5, and each right-angle trapezoidal plate 3 is a steel plate.
As shown in fig. 4, θ=60°, the value of the interval between the first slit 4 is equal to the value of the interval between the second slit 5 and is equal to c, the deformation of the track beam 1 drives the right-angle trapezoidal plate 3 to move, and the movement component b=c/2 of the axial deformation of the track beam 1, that is, the distance between the two right-angle trapezoidal plates 3 and the movement component c/2 of the two right-angle trapezoidal plates completely closes the first slit 4, and considering that the two right-angle trapezoidal plates 3 also have the transverse deformation movement component a, the first slit 4 can be closed more rapidly, and at the moment, the corresponding interval value between the two second slits 5 is also reduced to c/2, so that a train can smoothly drive across the two right-angle trapezoidal plates 3, that is, the train smoothly drives across the expansion joint 2.
As shown in fig. 5, the two right-angle trapezoidal plates 3 in fig. 4 are replaced by two rectangular plates, the installation connection mode is the same as the installation connection mode of the two right-angle trapezoidal plates 3, if the value of the space between the first slit 4 is equal to the value of the space between the second slit 5 and is equal to c, the track beam 1 deforms to drive the rectangular plates to move, the effect of lateral movement is not attached to the axial deformation movement of the track beam 1, the closing trend of the first slit 4 is generated only by the lateral deformation movement of the track beam 1, that is, compared with fig. 4 and 5, the closing speed of the first slit 4 in fig. 4 is greater than the closing speed of the first slit 4 in fig. 5, and because the speed of a train passing through the expansion joint 2 is fast, the smoothness of the expansion joint 2 is affected by the quick closing of the first slit 4 when the train passes through, and the mode of fig. 4 is obviously superior to the mode of fig. 5.
As shown in fig. 6, the expansion joint 2 is covered by a whole rectangular plate, one end of the rectangular plate is fixedly connected to one rail beam 1, the other end is lapped on the adjacent rail beams 1, in order to meet the expansion requirement of the two adjacent rail beams 1 as shown in fig. 4 and 5, the distance between the two gaps 5 is equal to 2c, but in this way, although the gap one 4 is not provided, after the two gaps 5 are deformed and moved along the axial direction of the rail beam 1 for c/2, the width of 3c/2 is still reserved, so that the smoothness of the train running through the expansion joint 2 is seriously affected, and obviously, the mode of fig. 4 is better than that of fig. 5.
By applying the expansion joint structure of the suspension type monorail track beam, the connecting plates are arranged on the expansion joints 2 between two adjacent track beams 1, each connecting plate comprises two right-angle trapezoidal plates 3, a first gap 4 is arranged between each right-angle trapezoidal plate 3, a second gap 5 is arranged between each right-angle trapezoidal plate 3 and each track beam 1, the first gap 4 can meet the requirement of free deformation along the axial direction and the transverse direction of the track beam 1, the second gap 5 can meet the requirement of free deformation along the axial direction of the track beam 1, the train is ensured to smoothly drive through the expansion joints 2, the expansion joints 2 are protected from being damaged easily, and the expansion joint structure of the suspension type monorail track beam is simple in structure and convenient to install, maintain and repair.
Example 2
As shown in fig. 1 to 4, a monorail system according to the present invention includes an ascending monorail track and a descending monorail track, each of which includes a plurality of track beams 1, and two adjacent track beams 1 are connected to each other by a suspended type monorail track beam expansion joint structure as described in embodiment 1.
The connecting plate is arranged on the expansion joint 2 on the track beam 1 used by the monorail system, the connecting plate comprises two right-angle trapezoidal plates 3, a first gap 4 is arranged between the two right-angle trapezoidal plates 3, a second gap 5 is arranged between each right-angle trapezoidal plate 3 and the track beam 1, the first gap 4 can meet the requirement of free deformation along the axial direction and the transverse direction of the track beam 1, the second gap 5 can meet the requirement of free deformation along the axial direction of the track beam 1, the expansion joint 2 is ensured to be driven smoothly, the expansion joint 2 is protected from being damaged, and the expansion requirement of the track beam 1 is met, so that the monorail system is simple in structure and convenient to install, maintain and repair.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. The utility model provides a suspension type monorail track roof beam expansion joint structure, its characterized in that reserves expansion joint (2) between two adjacent track roof beam (1) tip, every bottom plate (11) department of track roof beam (1) tip sets up two sets of connecting plates, all the connecting plate is located in track roof beam (1) cavity and top surface with bottom plate (11) top surface flushes, every group the connecting plate includes two right angle trapezoidal plate (3), two the hypotenuse of right angle trapezoidal plate (3) sets up relatively and forms a rectangle, two be equipped with gap one (4) between the hypotenuse of right angle trapezoidal plate (3), every right angle trapezoidal plate (3) one end fixed connection in one the tip of track roof beam (1), the other end overlap joint is adjacent be equipped with gap two (5) between the one end of right angle trapezoidal plate (3) overlap joint and corresponding bottom plate (11), in every group right angle trapezoidal plate (3) fixed connection in one track roof beam (1), another right angle trapezoidal plate (3) set up one end fixed connection in relation to two centre lines (1) of track roof beam (1).
2. A suspended monorail track beam expansion joint construction according to claim 1, characterized in that one end of each right-angle trapezoidal plate (3) is provided with a countersunk screw hole and fixedly connected to the end of one track beam (1) by countersunk screws.
3. A suspended monorail track beam expansion joint construction according to claim 1, wherein the gap one (4) spacing has a value equal to the gap two (5) spacing.
4. A suspended monorail track beam expansion joint construction according to any one of claims 1-3, characterized in that each of said right-angle trapezoidal plates (3) is a steel or composite plate.
5. A monorail system comprising an up-going monorail track and a down-going monorail track, characterized in that the up-going monorail track and the down-going monorail track each comprise a plurality of track beams (1), adjacent two of the track beams (1) being interconnected by a suspended monorail track beam expansion joint construction according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823153.XA CN107700344B (en) | 2017-09-13 | 2017-09-13 | Suspension type monorail track roof beam expansion joint structure and monorail system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823153.XA CN107700344B (en) | 2017-09-13 | 2017-09-13 | Suspension type monorail track roof beam expansion joint structure and monorail system |
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| Publication Number | Publication Date |
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| CN107700344A CN107700344A (en) | 2018-02-16 |
| CN107700344B true CN107700344B (en) | 2024-03-19 |
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| CN201710823153.XA Active CN107700344B (en) | 2017-09-13 | 2017-09-13 | Suspension type monorail track roof beam expansion joint structure and monorail system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360313B (en) * | 2018-05-23 | 2024-03-01 | 中铁工程机械研究设计院有限公司 | Expansion joint device for suspension type track beam |
| CN109487673A (en) * | 2019-01-10 | 2019-03-19 | 中建五局土木工程有限公司 | Bridge connection structure, track girder and track beam construction method |
| CN110528342A (en) * | 2019-07-30 | 2019-12-03 | 东莞开道科技有限公司 | Suspension type combines track |
| CN110847053B (en) * | 2019-11-29 | 2021-07-27 | 中铁二院工程集团有限责任公司 | Construction method of vacuum magnetic suspension prefabricated assembly type pipeline beam |
| CN111058713A (en) * | 2020-01-17 | 2020-04-24 | 中国建筑第八工程局有限公司 | Anti-deformation structure of automatic door track and mounting method thereof |
| CN112030625A (en) * | 2020-09-04 | 2020-12-04 | 北京天润海图科技有限公司 | Connecting device of suspension rail and suspension rail |
| CN112538792A (en) * | 2020-12-14 | 2021-03-23 | 中车唐山机车车辆有限公司 | Track, track hoisting structure and suspension type track traffic system |
| CN114411458A (en) * | 2022-01-13 | 2022-04-29 | 江西理工大学 | Adjustable seam device for suspension type permanent magnetic floating track beam |
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| CN1928242A (en) * | 2006-09-29 | 2007-03-14 | 徐斌 | Expansion seam apparatus of comb bridge |
| CN102776832A (en) * | 2012-07-27 | 2012-11-14 | 柳州东方工程橡胶制品有限公司 | Combined type concrete retractable device |
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| CN207159803U (en) * | 2017-09-13 | 2018-03-30 | 中国建筑第五工程局有限公司 | A kind of suspension type monorail track girder expansion joint structure and monorail system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6460214B1 (en) * | 2001-03-27 | 2002-10-08 | Ming-Huang Chang | Vibration resistive instant responding roadway or bridge expansion joint and construction method of the same |
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2017
- 2017-09-13 CN CN201710823153.XA patent/CN107700344B/en active Active
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|---|---|---|---|---|
| CN1928242A (en) * | 2006-09-29 | 2007-03-14 | 徐斌 | Expansion seam apparatus of comb bridge |
| CN102776832A (en) * | 2012-07-27 | 2012-11-14 | 柳州东方工程橡胶制品有限公司 | Combined type concrete retractable device |
| CN103161101A (en) * | 2013-04-12 | 2013-06-19 | 北京交通大学 | Straddle type monorail transportation rigid framework system |
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