CN213867106U - Ballastless track telescopic adjuster device of large-span steel pipe arch continuous rigid frame bridge - Google Patents
Ballastless track telescopic adjuster device of large-span steel pipe arch continuous rigid frame bridge Download PDFInfo
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- CN213867106U CN213867106U CN202022347695.4U CN202022347695U CN213867106U CN 213867106 U CN213867106 U CN 213867106U CN 202022347695 U CN202022347695 U CN 202022347695U CN 213867106 U CN213867106 U CN 213867106U
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- steel pipe
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- frame bridge
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Abstract
The utility model relates to a track construction field, concretely relates to continuous rigid frame bridge ballastless track of large-span steel pipe arch flexible regulator device, including the integration module, the integration module is including assembling flexible regulator and steel sleeper together, and flexible regulator includes a plurality of rhombus units, and the tip of adjacent rhombus unit rotates and links together, and the steel sleeper is located adjacent rhombus unit and rotates the position of connecting. The scheme solves the problem of driving safety caused by large beam joints between two ends of a large-span continuous rigid frame bridge and an approach bridge.
Description
Technical Field
The utility model relates to a track construction field, concretely relates to high-speed railway large-span steel pipe encircles continuous rigid frame bridge ballastless track expansion adjustment ware device.
Background
With the rapid development of high-speed railways in China, the proportion of bridges in the length of railway lines is higher and higher, and the number of large-span continuous beams is rapidly increased, which brings certain difficulty to the design of the rails.
For preventing the bridge because weather temperature variation (expend with heat, contract with cold) makes bridge structure produce crack or destruction, the bridge can have certain beam gap when the construction is built, like this when the bridge because weather temperature variation and rise with heat or contract with cold, because the design of beam gap, adjacent bridge can not exert an influence, the bridge can stretch out and draw back in length direction to can not make whole bridge structure suffer destruction.
The beam seam between the continuous roof beam of large-span is great to make the rail pillow interval great on the beam-ends, the position that the track is located between the beam seam like this does not have the bearing point, when the train is located the position between the beam seam through the track fast, arouses orbital vertical and horizontal rocking easily, this kind is rocked and can be reduced the ride comfort that the passenger took bus. And this kind of rocking can make the impact force that produces between track structure and the relevant part grow, causes the damage of track and relevant part easily, shortens the life-span of track, influences the safety of driving.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is anticipated to provide a continuous rigid frame bridge ballastless track flexible regulator device of large-span steel pipe arch to solve the great problem that arouses driving safety of the roof beam seam between the large-span continuous beam.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a continuous rigid frame bridge ballastless track of large-span steel pipe arch regulator device that stretches out and draws back, includes the integration module, and the integration module is including flexible regulator and the steel sleeper of equipment together, and flexible regulator includes a plurality of rhombus units, and the tip of adjacent rhombus unit rotates and links together, and the steel sleeper is located adjacent rhombus unit and rotates the position of connecting.
The principle and the advantages of the scheme are as follows: when building a railway bridge, the device is installed between beam seams of the bridge, the two ends of the telescopic regulator are respectively connected with the bridge end parts of the two sides of the beam seams, the steel sleeper is positioned in the beam seams under the connection effect of the telescopic regulator, so the steel sleeper can support the built track, the position of the track between the beam seams is provided with a bearing point, the situation that the beam seams between large-span continuous beams are large and the position of the track between the beam seams is not provided with the bearing point is avoided, the track is stable, the running smoothness of the train is improved, and the riding comfort of passengers is improved. Meanwhile, the track is stable, so that the impact force generated between the track structure and related components when the train passes through is small, the service life of the track is prolonged, and the driving safety is improved.
In addition, because flexible regulator includes a plurality of rhombus units, the tip of adjacent rhombus unit rotates to link together, therefore flexible regulator can stretch out and draw back, when the tip of bridge took place expend with heat and contract with cold because of the temperature reason, flexible regulator can the adaptability take place certain flexible, flexible regulator can drive the automatic certain removal that takes place of steel sleeper, has realized the automatic change of steel sleeper position, is adapted to different beam joint distances.
In addition, because this scheme adopts the integration module, each spare part has all been assembled when whole device leaves the factory like this. The construction method has the advantages that the assembly on the construction site is not needed, and the construction method can be installed on the bridge in a multi-point suspension mode of a crane or a gantry crane on the site during construction and installation, so that the construction progress is greatly improved, the construction time is saved, and the construction efficiency is improved.
Preferably, as an improvement, the integrated module further comprises a joist assembled on the steel sleeper, and the joist is positioned above the steel sleeper. From this, the joist is used for upwards hoisting the steel sleeper for the steel sleeper is more firm on being located flexible regulator, is favorable to guaranteeing that the steel sleeper carries out the stability that supports to the track.
Preferably, as an improvement, the integrated module further comprises a rail assembled on the steel sleeper, and the rail is located above the steel sleeper. Therefore, when the whole device is installed on a bridge, the track is not required to be independently paved after the device is installed on the bridge due to the fact that the device comprises the paved track, and construction efficiency is further improved.
Preferably, as an improvement, one side of the steel sleeper is provided with a plurality of fixed buckling parts positioned on the track and the joist, the other side of the steel sleeper is provided with a plurality of movable buckling parts positioned on the track and the joist, and the track and the joist are both in sliding connection with the movable buckling parts. From this, realized fixing steel sleeper or track on the bridge of beam joint one side through fixed withholding piece, realized fixing steel sleeper and track on the bridge of beam joint opposite side through the activity withholding piece, because track, joist all with activity withholding piece sliding connection, consequently when the bridge of beam joint both sides is flexible, track and joist all can slide and adapt to the flexible of two bridges for the activity withholding piece, track and joist can not be limited two bridges to die to the destruction that the flexible of two bridges caused joist and track has been avoided.
Preferably, as an improvement, be equipped with the draw-in groove on the fixed casting die, be equipped with a plurality of first bolt holes that are located draw-in groove upper and lower both sides on the fixed casting die. Therefore, when the fixed buckling and pressing piece is used for fixing the joist or the track, the bottom of the joist or the bottom of the track penetrates through the clamping groove, the first bolt hole is used for enabling a bolt for fixing the track or the joist to penetrate through, and the bolt is connected with the bottom of the corresponding joist or the bottom of the track, so that the fixed buckling and pressing piece is fixed with the track or the fixed buckling and pressing piece is fixed with the joist.
Preferably, as an improvement, the movable buckling and pressing piece is provided with a sliding groove. Therefore, the connecting bolt is used for connecting the movable buckling and pressing piece and the movable pressing plate together, after the movable pressing plate is connected to the movable buckling and pressing piece, the sliding groove formed between the movable buckling and pressing piece and the movable pressing plate is used for enabling the bottom of the track or the bottom of the joist to penetrate through, and therefore sliding connection between the movable buckling and pressing piece and the track or sliding connection between the movable buckling and pressing piece and the joist is achieved.
Preferably, as an improvement, all fixedly connected with base on the bottom of fixed withholding piece and activity withholding piece, be equipped with a plurality of second bolt holes on the base. Therefore, the base is fixed on the sleeper through the bolt penetrating through the second bolt hole, and the fixed buckling piece and the movable buckling piece are mounted on the sleeper.
Preferably, as an improvement, the number of steel sleepers is one less than the number of diamond-shaped elements. From this, when the rhombus unit is more than two, the quantity of steel sleeper is a plurality of, and a plurality of steel sleepers support the track jointly for more steady when the train passes through between the beam seam, orbital laying also can be adapted to bigger beam seam simultaneously.
Preferably, as an improvement, a support member is arranged on the diamond-shaped unit, a support plate located at the end of the bridge is arranged below the support member, and the bottom of the support member is slidably connected to the support plate. From this, the backup pad supports support piece, and support piece supports the rhombus unit to support whole flexible regulator, can avoid flexible regulator atress too big and take place vertical bending, do benefit to the life who improves flexible regulator. The bottom of the supporting piece is slidably connected to the supporting plate, so that when the telescopic adjuster is telescopic, the supporting piece can move on the supporting plate without obstructing the telescopic movement of the telescopic adjuster.
Preferably, as an improvement, the bottom of the support member is provided with a ball. Therefore, when the supporting piece moves, the ball moves on the supporting plate, the friction force between the bottom of the supporting piece and the supporting plate is rolling friction, and the friction force is smaller than the sliding friction force, so that the supporting piece can move on the supporting plate conveniently.
Drawings
Fig. 1 is a perspective view of a ballastless track telescopic regulator device of a large-span steel pipe arch continuous rigid frame bridge.
Fig. 2 is a front view of a support plate and support member structure.
Fig. 3 is an enlarged view of a in fig. 2.
Fig. 4 is a cross-sectional view of a fixed crimp.
Fig. 5 is a cross-sectional view of the movable crimp.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the support device comprises a first bridge 1, a second bridge 2, a beam gap 3, a rail 4, a joist 5, a telescopic regulator 6, a sleeper 7, a movable buckling and pressing part 8, a fixed buckling and pressing part 9, a steel sleeper 10, a second support plate 11, a first support plate 12, a support rod 13, a ball 14, a base 15, a second bolt hole 16 and a first bolt hole 17.
Example 1
Substantially as shown in figure 1: the utility model provides a continuous rigid frame bridge ballastless track of large-span steel pipe arch regulator device that stretches out and draws back, including the integration module, the integration module is including joist 5 of assembling together, track 4, flexible regulator 6 and steel sleeper 10, flexible regulator 6 includes a plurality of rhombus units, the rhombus structure that the rhombus unit links together is rotated in proper order for four connecting rods through the rotating pin head and the tail, the tip of adjacent rhombus unit passes through the rotating pin and articulates together, steel sleeper 10 is located the rotating pin at the position that adjacent rhombus unit rotated the connection, it is specific, the connecting means of rotating pin bottom on the position that steel sleeper 10 and adjacent rhombus unit rotated the connection can be for welding or joint etc.. The number of the rhombic units can be actually designed according to the distance between the beam seams 3 between the two bridge ends, the number of the rhombic units can be two, three, four and the like, and the number of the steel sleeper 10 is one less than that of the rhombic units because the steel sleeper 10 is connected to the part where the adjacent rhombic units are rotatably connected. Specifically, in the present embodiment, the number of the diamond units is two, and the number of the steel sleeper 10 is one. The number of the telescopic adjusters 6 is two, and the two telescopic adjusters 6 are located on the end portions of the steel sleeper 10.
The joist 5 and the track 4 in this embodiment are both located above the steel sleeper 10. The number of the joists 5 is two, the two tracks 4 are located between the two joists 5, the steel sleeper 10 is perpendicular to the tracks 4 and the joists 5, one side of the steel sleeper 10 is provided with a plurality of fixed buckling parts 9 located on the tracks 4 and the joists 5, the other side of the steel sleeper 10 is provided with a plurality of movable buckling parts 8 located on the tracks 4 and the joists 5, and the tracks 4 and the joists 5 are both in sliding connection with the movable buckling parts 8. As shown in fig. 4-5, the base 15 is integrally formed on the bottom of the fixed and movable retainers 9 and 8, and the base 15 is provided with a plurality of second bolt holes 16. The fixed withholding member 9 is provided with a clamping groove, and the fixed withholding member 9 is provided with a plurality of first bolt holes 17 positioned at the upper and lower sides of the clamping groove. The movable buckling and pressing piece 8 is provided with a sliding groove. The track 4 and the joist 5 in the embodiment are made of i-steel, the track 4 and the joist 5 on the device are fixed on the steel sleeper 10 through the fixed buckling and pressing piece 9, and the specific fixing mode is as follows: the fixed crimping part 9 passes through a second bolt hole 16 on the base 15 through a bolt and is fixed with the steel sleeper 10, the bottom of the rail 4 and the bottom of the joist 5 pass through a clamping groove on the fixed crimping part 9, and the bolt passes through a first bolt hole 17 and simultaneously passes through the bottom of the corresponding rail 4 or the bottom of the joist 5 for fixing.
The specific implementation process is as follows: referring to fig. 1, a beam gap 3 is formed between a first bridge beam 1 and a second bridge beam 2, and a plurality of sleepers 7 are cast on the first bridge beam 1 and the second bridge beam 2. During installation construction, the device is installed on a bridge in a multi-point suspension mode of a crane or a gantry crane on site, and the steel sleeper 10 is located in the beam gap 3. Fix respectively on the sleeper 7 of 1 right-hand member of first bridge and the sleeper 7 of 2 left ends of second bridge with telescopic adjusting ware 6's both ends through the rotating pin, then fix track 4 and joist 5 on sleeper 7 on first bridge 1 through fixed withholding member 9, specific fixed mode is: the fixing and buckling parts 9 pass through the second bolt holes 16 on the base 15 through bolts and are fixed with the sleepers 7, the bottoms of the rails 4 and the bottom of the joist 5 pass through clamping grooves on the fixing and buckling parts 9, and the bolts pass through the first bolt holes 17 and simultaneously pass through the corresponding bottoms of the rails 4 or the bottom of the joist 5 for fixing.
The track 4 and the joist 5 are fixed on a sleeper 7 on the second bridge 2 through a movable buckling piece 8, and the specific fixing mode is as follows: the movable buckling parts 8 pass through second bolt holes 16 on the base 15 through bolts and are fixed with sleepers 7 on the second bridge 2, and the bottoms of the rails 4 and the bottom of the joists 5 pass through sliding grooves in the movable buckling parts 8. Due to the arrangement of the sliding grooves, the track 4 and the joist 5 can not be separated from the movable crimping piece 8. Simultaneously, the bottom of track 4 or the bottom of joist 5 can slide in the sliding tray relatively, and when the first bridge 1 and the second bridge 2 of beam seam 3 both sides were flexible like this, track 4 and joist 5 all can slide and adapt to the flexible of first bridge 1 tip and second bridge 2 tip for activity withholding spare 8, and track 4 and joist 5 can not be died by the card to the destruction that the flexible of two bridges caused joist 5 and track 4 has been avoided.
The two ends of the steel sleeper 10 in the embodiment are located on the telescopic regulator 6, the steel sleeper 10 is fixed on the joist 5 through the fixed buckling piece 9, and the steel sleeper 10 supports the rail 4 in the beam seam 3, so that the situation that the position of the rail 4 between the beam seams 3 does not have a bearing point due to the fact that the beam seam 3 between the large-span continuous beams is large is avoided, the rail 4 is stable, the running smoothness of a train is improved, and the riding comfort of passengers is improved. Meanwhile, the track 4 is stable, so that the impact force generated between the track 4 structure and related components when a train passes through is small, the service life of the track 4 is prolonged, and the driving safety is improved.
In addition, flexible regulator 6 in this embodiment is the structure of rhombus, and flexible regulator 6 can stretch out and draw back, and when the tip of bridge took place expend with heat and contract with cold because of the temperature reason, flexible regulator 6 can take place certain flexible of the emergence of adaptability, and flexible regulator 6 can drive the automatic certain removal that takes place of steel pillow 10, has realized the automatic change of steel pillow 10 position, is adapted to different beam seam 3 distances.
Example 2
Referring to fig. 2 and 3, in this embodiment, a transverse first supporting plate 12 is poured on the right end of the first bridge 1, a transverse second supporting plate 11 is poured on the left end of the second bridge 2, and the second supporting plate 11 and the first supporting plate 12 are vertically distributed, so that the first supporting plate 12 and the second supporting plate 11 are not located on the same plane and abut against each other, and further, the expansion and contraction of the first bridge 1 and the second bridge 2 are not affected. The rhombic unit is provided with a plurality of supporting pieces, specifically, the supporting pieces are supporting rods 13, and the supporting rods 13 are welded together through rotating pins at rotating connection parts of connecting rods on the rhombic unit. The bottom sliding connection of the left bracing piece 13 of steel pillow 10 is on first backup pad 12, and the bottom sliding connection of the bracing piece 13 on steel pillow 10 right side is on second backup pad 11, and specific sliding connection mode is: the bottom of the supporting member is provided with a ball groove, the ball groove is provided with a ball 14, and the ball 14 at the bottom of the supporting rod 13 rolls on the corresponding first supporting plate 12 or second supporting plate 11.
From this, the setting of first backup pad 12 and second backup pad 11 can support corresponding bracing piece 13, and bracing piece 13 supports the rhombus unit to support whole flexible regulator 6, compare just flexible regulator 6's both ends and connect on sleeper 7, can provide the holding power for flexible regulator 6, can avoid flexible regulator 6 atress too big and take place vertical bending, do benefit to the life who improves flexible regulator 6. When the telescopic adjuster 6 is retracted, the bottom of the support member can move on the corresponding first support plate 12 or second support plate 11 without hindering the telescopic movement of the telescopic adjuster 6.
The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a continuous rigid frame bridge ballastless track of large-span steel pipe arch flexible regulator device which characterized in that: including the integration module, the integration module is including assembling flexible regulator and steel sleeper together, flexible regulator includes a plurality of rhombus units, and the tip of adjacent rhombus unit rotates to link together, the steel sleeper is located adjacent rhombus unit and rotates the position of connecting.
2. The ballastless track telescopic adjuster device for the large-span steel pipe arch continuous rigid frame bridge according to claim 1, characterized in that: the integrated module further comprises a joist assembled on the steel sleeper, and the joist is located above the steel sleeper.
3. The ballastless track telescopic adjuster device for the large-span steel pipe arch continuous rigid frame bridge is characterized in that: the integrated module further comprises a rail assembled on the steel sleeper, and the rail is located above the steel sleeper.
4. The ballastless track telescopic adjuster device for the large-span steel pipe arch continuous rigid frame bridge according to claim 3, characterized in that: and a plurality of fixed buckling parts positioned on the track and the joist are arranged on one side of the steel sleeper, a plurality of movable buckling parts positioned on the track and the joist are arranged on the other side of the steel sleeper, and the track and the joist are both in sliding connection with the movable buckling parts.
5. The ballastless track telescopic adjuster device for the large-span steel pipe arch continuous rigid frame bridge is characterized in that: the fixed crimping piece is provided with a clamping groove, and the fixed crimping piece is provided with a plurality of first bolt holes which are positioned on the upper side and the lower side of the clamping groove.
6. The ballastless track telescopic adjuster device for the large-span steel pipe arch continuous rigid frame bridge is characterized in that: the movable buckling and pressing piece is provided with a sliding groove.
7. The ballastless track telescopic adjuster device for the large-span steel pipe arch continuous rigid frame bridge is characterized in that: the base is fixedly connected to the bottoms of the fixed buckling and pressing piece and the movable buckling and pressing piece, and a plurality of second bolt holes are formed in the base.
8. The ballastless track telescopic adjuster device for the large-span steel pipe arch continuous rigid frame bridge according to claim 1, characterized in that: the number of the steel sleepers is one less than that of the diamond-shaped units.
9. The ballastless track expansion and contraction adjuster device for the large-span steel pipe arch continuous rigid frame bridge according to claim 8, characterized in that: be equipped with support piece on the rhombus unit, the below of support piece is equipped with the backup pad that is located the bridge tip, support piece's bottom sliding connection is in the backup pad.
10. The ballastless track expansion and contraction adjuster device for the large-span steel pipe arch continuous rigid frame bridge according to claim 9, characterized in that: and the bottom of the supporting piece is provided with a ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347695.4U CN213867106U (en) | 2020-10-20 | 2020-10-20 | Ballastless track telescopic adjuster device of large-span steel pipe arch continuous rigid frame bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347695.4U CN213867106U (en) | 2020-10-20 | 2020-10-20 | Ballastless track telescopic adjuster device of large-span steel pipe arch continuous rigid frame bridge |
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| CN213867106U true CN213867106U (en) | 2021-08-03 |
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| CN202022347695.4U Active CN213867106U (en) | 2020-10-20 | 2020-10-20 | Ballastless track telescopic adjuster device of large-span steel pipe arch continuous rigid frame bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832849A (en) * | 2021-08-31 | 2021-12-24 | 任小强 | Bridge structure of continuous rigid frame steel truss combination |
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2020
- 2020-10-20 CN CN202022347695.4U patent/CN213867106U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832849A (en) * | 2021-08-31 | 2021-12-24 | 任小强 | Bridge structure of continuous rigid frame steel truss combination |
| CN113832849B (en) * | 2021-08-31 | 2023-08-01 | 中国公路工程咨询集团有限公司 | Bridge structure of continuous rigid frame steel truss combination |
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