CN110735365A - straddle type track beam - Google Patents
straddle type track beam Download PDFInfo
- Publication number
- CN110735365A CN110735365A CN201911176549.5A CN201911176549A CN110735365A CN 110735365 A CN110735365 A CN 110735365A CN 201911176549 A CN201911176549 A CN 201911176549A CN 110735365 A CN110735365 A CN 110735365A
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- Prior art keywords
- stabilizing
- walking
- track
- plate
- web
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 57
- 239000011513 prestressed concrete Substances 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
Classifications
-
- 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)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses straddle type track beams, which comprise beam bodies, wherein each beam body comprises a top plate, a web plate and a bottom plate, the top surface of the top plate is a walking surface for walking of walking wheels, both the two side surfaces of the top plate and the web plate are provided with chamfers of arc-shaped surfaces, the arc-shaped surfaces are guiding stabilizing surfaces for guiding the walking of stabilizing wheels, the two guiding stabilizing surfaces at the two sides are arranged oppositely, and the directions of the guiding stabilizing wheels are arranged along the tangential direction vertical to the preset contact position on the guiding stabilizing surfaces.
Description
Technical Field
The invention relates to the technical field of track beams of straddle type monorail, in particular to straddle type track beams.
Background
The straddle type monorail is a rail traffic system in which trains run on an overhead special rail beam, and has the characteristics of strong terrain adaptability, low noise, less occupied road resources, good blockage relieving effect and the like.
At present, the traditional straddle type traffic system construction cost is higher, and train weight is great, current I-shaped, the T type track roof beam is influenced by the horizontal centrifugal force when the train moves, the rocking force leads to stress concentration phenomenon, the fracture appears easily, shorten track roof beam life, simultaneously because straddle type train's speed of travel is higher, when the train turns, often for avoiding taking place the relative slip between stabilizer wheel and the track roof beam, the speed of travel of train has to obviously be reduced and the admissible camber of restriction track route, also there are a great deal of problems in the operation maintenance process, make it push and use the restriction in city and tourist attraction, consequently, need to develop novel straddle type track roof beams, with the construction and later stage operation maintenance cost of reduction system.
Disclosure of Invention
The invention aims to overcome the defects of high construction cost, high maintenance cost, more operation limitation and the like of the conventional straddle type transportation system and provides straddle type track beams.
In order to achieve the purpose, the invention provides the following technical scheme:
formula track beam strides contains the roof beam body, the roof beam body contains roof, web and bottom plate, the walking face of roof top surface for being used for walking the walking of road wheel, roof and web both sides face all have the chamfer of arcwall face, the arcwall face is the direction stabilizing surface that is used for the walking of direction stabilizing wheel, the direction of direction stabilizing wheel is along the perpendicular to the tangential direction setting of predetermineeing the contact position on the direction stabilizing surface, two of both sides the direction stabilizing surface sets up relatively.
The straddle type track beam adopts the arc surface between the top plate and the web plate as a guide stabilizing surface for the walking of the guide stabilizing wheels, can disperse the stress concentration problem of a broken line section of the beam body caused by the centrifugal force and the transverse swinging force of a train, avoids the cracking of the beam body, ensures the radius of the radian according to the height of the side surface of the top plate and the width of the web plate, meets the requirement of the minimum installation height of the guide stabilizing wheels, only the guide stabilizing surface is arranged on the side surface of the beam body, is convenient for the processing and the forming of the track beam, is arranged along the tangential direction perpendicular to the preset contact position on the guide stabilizing surface, effectively combines the traditional guide wheels and stabilizing wheels into , can provide the guide function and play a role of stabilizing the train body, reduce the arrangement of the number of wheels, save the production and construction cost, is favorable for improving the over-bending speed in centering, provides the normal resistance along the arc surface for the guide stabilizing wheels, the vertical resistance is increased along with the sliding of the stabilizing wheels, improves the contact stability of the guide wheels and the track body, effectively limits the over-bending speed of the track, reduces the heavy stress concentration problem of the track, reduces the track, has great significance of the track design of the track, improves the track, increases the stress of the track, increases the curve of the track, increases the track, the track has the curve of the track.
Preferably, the shape of the tread of the guiding and stabilizing wheel is matched with the arc shape of the guiding and stabilizing surface.
By adopting the arrangement mode, the guide stabilizing wheels are in conformal contact with the guide stabilizing surface, the contact area can be increased, the abrasion is less under the condition of the same guide force, the guide performance is better, and the safe operation of the vehicle under the working conditions of empty vehicles and heavy vehicles can be guaranteed.
Preferably, a connecting plate is connected between two adjacent beam bodies.
preferably, the two ends of the connecting plate are respectively connected with two adjacent bottom plates.
, it is preferable that the connecting plate has a tendon therein.
If be equipped with two and above tracks simultaneously, adopt above-mentioned mode of setting up, form the cross-section of channel beam, increase the structure antidumping ability, provide extra working space for maintainer and track equipment simultaneously.
Preferably, the bottom plate and the two side surfaces of the web plate are also provided with chamfers with arc surfaces.
By adopting the arrangement mode, the stress concentration phenomenon at the joint of the bottom plate and the web plate is effectively reduced.
Preferably, the width of the bottom plate of the beam body at the beam end part is greater than or equal to that of the top plate, and the width of the bottom plate of the beam body at the midspan part is less than or equal to that of the top plate.
Preferably, the beam body is of a hollow structure.
By adopting the arrangement mode, the dead weight of the beam body is effectively reduced, and the cost is saved.
Preferably, the top plate, the web plate and the bottom plate are cast prestressed concrete members.
Preferably, the central angle subtended by the guide stabilizing surface is between 45 and 70 degrees.
In summary, compared with the prior art, the invention has the beneficial effects that:
1. by adopting the straddle type track beam, the contact area of the arc surface provides normal resistance along the arc surface for the guide stabilizing wheels, the vertical resistance is increased along with the step of sliding of the stabilizing wheels, the contact stability of the guide stabilizing wheels and the beam body is improved, the floating and sinking movement of a bogie is effectively limited, the wheel abrasion is reduced, the running speed of a train is improved during turning, the track is allowed to be provided with larger route curvature at a curve section, the flexibility of track route planning is improved, the centrifugal force and the transverse swinging force generated during turning of the train can be dispersed, the problem of stress concentration at the variable section of the beam body is avoided, the cracking probability of the beam body is reduced, the service life of the beam body is prolonged, the production, construction and maintenance cost is reduced, the application prospect is good, and the application of the push is of great significance.
Description of the drawings:
fig. 1 is a schematic structural view of straddle type track beams according to embodiment 1;
FIG. 2 is a perspective view of the connection of the track beam to the bogie;
FIG. 3 is a front view of the structure of FIG. 2;
fig. 4 is a schematic structural view of straddle type track beams according to embodiment 2;
fig. 5 is a schematic structural diagram of straddle type track beams according to embodiment 3.
The labels in the figure are: 11-top plate, 12-web plate, 13-bottom plate, 21-running wheel, 22-guiding stabilizing wheel, 3-guiding stabilizing surface, 4-connecting plate and 5-prestressed beam.
Detailed Description
The present invention will be described in further detail in with reference to the drawings and specific examples, but it should not be understood that the scope of the above subject matter is limited to the following examples, and that any technique realized based on the present disclosure falls within the scope of the present invention.
Example 1
As shown in fig. 1 to 3, the straddle type track beam according to the present invention comprises a beam body, the beam body comprises a plurality of segments, the width of the bottom plate 13 of each segment at an end portion of the beam is greater than or equal to the width of the top plate 11, the width of the bottom plate 13 of each segment at a midspan portion is less than or equal to the width of the top plate 11, the beam body comprises a top plate 11, a web 12 and a bottom plate 13, preferably, the top plate 11, the web 12 and the bottom plate 13 are prestressed concrete members cast by , the top surface of the top plate 11 is a walking surface for walking the walking wheels 21, both sides of the top plate 11 and the web 12 are chamfered with arc-shaped surfaces, the arc-shaped surfaces are guiding stabilizing surfaces 3 for guiding the walking wheels 22, two guiding stabilizing surfaces 3 on both sides are oppositely arranged, the arc-shaped surfaces can disperse stress concentration problems of a broken line of a cross section of the beam body caused by centrifugal force and lateral sway of a train, cracking of the beam body is avoided, preferably, the guiding stabilizing surfaces are opposite to the center angle 70 of the guiding stabilizing surfaces, the guiding surfaces is 45 degrees, the guiding stabilizing surfaces are arranged along a tangential direction of the guiding wheels 22, the contact surface, the guiding wheels are preferably, the contact area of the guiding stabilizing wheels is increased, the guiding surfaces is increased under a condition that the guiding wheels 12 and the guiding wheels are connected with the web 12, the guiding stabilizing wheels, the guiding surfaces, the guiding wheels are preferably, the guiding wheels are connected with the guiding stabilizing wheels under a stable running stability of the guiding wheels, the guiding stabilizing wheels, the guiding wheels are more effective contact area of the guiding.
According to the straddle type track beam, the arc-shaped surface between the top plate 11 and the web plate 12 is adopted as the guide stabilizing surface 3 for the guide stabilizing wheels 22 to walk, only the guide stabilizing surface 3 is arranged on the side surface of the beam body, so that the track beam can be conveniently processed and formed, the direction of the guide stabilizing wheels 22 is arranged along the tangential direction perpendicular to the preset contact position on the guide stabilizing surface 3, the traditional guide wheels and stabilizing wheels are effectively combined into , the guide stabilizing wheels 22 can not only provide a guide function, but also play a role in stabilizing a vehicle body, the arrangement of the number of wheels is reduced, the production and construction cost is saved, the overbending speed is favorably improved, the contact area of the guide stabilizing wheels 22 is provided with normal resistance along the arc-shaped surface, the vertical resistance is increased along with the sliding of the stabilizing wheels into steps, the contact stability of the guide stabilizing wheels and the beam body is improved, the floating and sinking movement of a bogie is effectively limited, the wheel abrasion is reduced, the running speed of a train is improved when the train is turned, the track is allowed to be provided with a larger curvature in a curve section, the planned track is improved, the flexibility is also the cross section generated when the train is dispersed, the cross section maintenance is reduced, the problem of , the beam is greatly reduced, the application prospect of the beam, and the beam body has the application prospect of the construction cost, the.
Example 2
As shown in fig. 4, the straddle type track beam of the present invention has a structure substantially the same as that of embodiment 1, and is different in that the beam body has a hollow structure, so that the self weight of the beam body is effectively reduced, and the cost is saved.
Example 3
As shown in fig. 5, straddle type track beams according to the present invention have substantially the same structure as that of embodiment 2, except that two or more tracks, such as a two-line track beam, are provided at the same time, are forward tracks, are backward tracks, the two track beams have the same structure, and are both the beam structures of embodiment 2, a connecting plate 4 is connected between the two adjacent beam bodies, two ends of the connecting plate 4 are respectively connected to the two adjacent bottom plates 13, the width of the bottom plate 13 is kept at the midspan part and the beam end part, a prestressing tendon 5 is provided in the connecting plate 4, the connecting plate 4 is cast with the two connected beam bodies , the two tracks are combined to form a channel beam section, thereby increasing the anti-overturning capability of the structure, and providing an extra working space for the service personnel and the track equipment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
- The utility model provides an straddle type track beam, its characterized in that contains the roof beam body, the roof beam body contains roof (11), web (12) and bottom plate (13), roof (11) top surface is for being used for walking the walking face of walking wheel (21) walking, roof (11) all have the chamfer of arcwall face with web (12) both sides face, the arcwall face is for direction stabilizing surface (3) that are used for direction stabilizing wheel (22) walking, the direction of direction stabilizing wheel (22) is along the perpendicular to predetermine contact position's tangential direction setting on direction stabilizing surface (3), two of both sides direction stabilizing surface (3) set up relatively.
- 2. Track beam according to claim 1, characterized in that the tread shape of the guide and stabilizing wheels (22) is adapted to the arc shape of the guide and stabilizing surface (3).
- 3. Track beam according to claim 1, characterized in that a connection plate (4) is connected between two adjacent beam bodies.
- 4. Track beam according to claim 3, characterized in that the two ends of the connection plate (4) are connected to two adjacent bottom plates (13), respectively.
- 5. Rail beam according to claim 4, characterised in that the web (4) is provided with prestressing tendons (5).
- 6. The track beam according to claim 1, characterized in that the base plate (13) and the web (12) are also chamfered with curved surfaces on both sides.
- 7. The track beam according to claim 1, characterized in that the width of the bottom plate (13) of the beam body at the beam end portion is larger than or equal to the width of the top plate (11), and the width of the bottom plate (13) of the beam body at the midspan portion is smaller than or equal to the width of the top plate (11).
- 8. The rail beam according to any one of claims 1-7 and , wherein the beam body is a hollow structure.
- 9. The track beam according to , characterized in that the top plate (11), the web plate (12) and the bottom plate (13) are cast prestressed concrete elements.
- 10. Railway beam according to , characterized in that the central angle subtended by the guiding and stabilizing surfaces (3) is 45 ° -70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176549.5A CN110735365A (en) | 2019-11-26 | 2019-11-26 | straddle type track beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176549.5A CN110735365A (en) | 2019-11-26 | 2019-11-26 | straddle type track beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110735365A true CN110735365A (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911176549.5A Pending CN110735365A (en) | 2019-11-26 | 2019-11-26 | straddle type track beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110735365A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663413A (en) * | 2020-12-17 | 2021-04-16 | 国家能源集团宁夏煤业有限责任公司 | Track lifting device |
| CN113548482A (en) * | 2021-08-12 | 2021-10-26 | 广东顺力智能物流装备股份有限公司 | Turning guide device of upper beam of intelligent logistics stacker and use method thereof |
| CN114633245A (en) * | 2020-12-16 | 2022-06-17 | 国网智能科技股份有限公司 | Overhead line whole-course inspection robot and method |
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| JP2008163571A (en) * | 2006-12-27 | 2008-07-17 | Hitachi Ltd | Straddle type monorail turnout |
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2019
- 2019-11-26 CN CN201911176549.5A patent/CN110735365A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633245A (en) * | 2020-12-16 | 2022-06-17 | 国网智能科技股份有限公司 | Overhead line whole-course inspection robot and method |
| CN112663413A (en) * | 2020-12-17 | 2021-04-16 | 国家能源集团宁夏煤业有限责任公司 | Track lifting device |
| CN113548482A (en) * | 2021-08-12 | 2021-10-26 | 广东顺力智能物流装备股份有限公司 | Turning guide device of upper beam of intelligent logistics stacker and use method thereof |
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