CN219731685U - Span wide-range high-speed continuous beam closure section erection assembly - Google Patents
Span wide-range high-speed continuous beam closure section erection assembly Download PDFInfo
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- CN219731685U CN219731685U CN202321092697.0U CN202321092697U CN219731685U CN 219731685 U CN219731685 U CN 219731685U CN 202321092697 U CN202321092697 U CN 202321092697U CN 219731685 U CN219731685 U CN 219731685U
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- 230000001133 acceleration Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a span-wide high-speed continuous beam closure section erection mechanism, which comprises a driving part and a supporting part, wherein the driving part and the supporting part are arranged on a pier part; the supporting part is used for supporting the middle part O of the end of the swivel Liang Buxia; one end of the driving part is hinged with the swivel beam part through the hinging seat part, and the other end of the driving part is hinged with the pier part at C and is used for driving the swivel beam part to swivel from the initial work position point A to the folding work position point B; point A, B, O forms a right triangle, point O is at right angle, and the line connecting point A, B is the hypotenuse; the utility model has reasonable design, compact structure and convenient use.
Description
Technical Field
The utility model relates to a span-wide high-speed continuous beam closure segment erection assembly.
Background
When the high-speed railway is closed and communicated, the bridge is required to be horizontally rotated by adopting a rotating bridge, and the bridge is quickly closed by adopting a horizontal rotation method, for example, a device for erecting a closure section of a large-span and wide-speed continuous beam, a construction method thereof and the like, the rotating disc mechanism is generally driven to rotate by adopting a gear ring, and the rotating disc mechanism is rotated at a uniform speed. The bonding gap is a transverse gap, which is easy to generate resonance, has poor thermal expansion effect, and needs to detect thermal expansion amount at fixed time.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a wide-span high-speed continuous beam closure segment erection assembly.
In order to solve the problems, the utility model adopts the following technical scheme:
a bridge closure section erection assembly for a large-span wide-range high-speed continuous beam comprises a driving part and a supporting part, wherein the driving part and the supporting part are arranged on a bridge pier part;
the supporting part is used for supporting the middle part O of the end of the swivel Liang Buxia;
one end of the driving part is hinged with the swivel beam part through the hinging seat part, and the other end of the driving part is hinged with the pier part at C and is used for driving the swivel beam part to swivel from the initial work position point A to the folding work position point B; point A, B, O forms a right triangle, point O is at right angle, and the line connecting point A, B is the hypotenuse;
point B is between points O, C.
A construction system for erecting a closure section of a large-span and wide-width high-speed continuous beam comprises a pier part and a swivel beam part, wherein a turntable assembly is arranged at the pier part;
the end face of the swivel beam part is an involution inclined plane, the included angle of the involution inclined plane relative to the transverse line of the swivel beam part is 45 degrees, and the lateral screw rod is arranged on the lateral wall of the involution inclined plane.
A span-wide high-speed continuous beam closure section erection method performs the following steps by means of a span-wide high-speed continuous beam closure section erection assembly; the two straight push rod parts drive the connector A and the connector B to move in the corresponding guide grooves through the upper hinging seat, so that moment is generated to drive the rotator rotating seat to rotate from the point A of the initial station to the point B of the folding station, and when rotating, the rotator is hinged with F of the seat part Y Gradually become smaller, acceleration a y Gradually becoming smaller.
The bridge pier construction process comprises the following steps of erecting a construction system by means of a closure section of a large-span wide-speed continuous beam;
constructing a pier part, building a span-wide high-speed continuous beam closure section erection assembly, and hanging a swivel beam part to a swivel rotary seat through a crane;
step two, performing swivel operation;
and thirdly, after the rotator, adjusting the gap between the two involution inclined planes according to the thermal expansion and contraction quantity, and fastening the two involution inclined planes through a transverse screw rod.
The utility model realizes the acceleration-changing swivel of the swivel beam part through the bridge pier part, the driving part and the supporting part, realizes the expansion of the swivel supporting platform of the steel structure by constructing the bridge pier, takes the central seat body as a support, and the upper magnetic ring and the lower magnetic ring at least realize the absorption to realize the supporting and supporting part, and the linear push rod part is preferable, can assist the hydraulic part, defines the involution inclined plane through setting the transverse line, realizes the transverse connection through the transverse screw rod, and the thermal expansion of the linear push rod part is oblique expansion, and is taken as an accessory, the swivel rotary seat is supported, and is provided with a connector A, a connector B, a central lower turntable, a central positioning column and other basic components, and the L-shaped support is taken as a support, an upper magnetic ring, an upper flexible connecting piece, a lower magnetic ring and a lower flexible connecting piece realize the flexible support, and when one end has large absorption force, the distance is close to be attached, so that the other side can tilt to realize the whole contact, and the upper hinge seat and the lower hinge seat are taken as a basic component, the push rod is convenient to be arranged through a dead point, the auxiliary push rod is oblique angle, and the limit is realized, and the guide groove improves the process. Compared with the prior design, the utility model has the advantages of accurate positioning, small impulse, small resistance and low required precision.
The utility model has reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, fund saving, compact structure and convenient use.
Drawings
Fig. 1 is a schematic view of a preferred swivel beam use configuration of the present utility model.
Fig. 2 is a schematic view of the improved structure of the swivel beam of the present utility model.
Fig. 3 is a schematic structural diagram of the principle of rotation of the present utility model.
Fig. 4 is a schematic overall structure of the present utility model.
Fig. 5 is a schematic diagram of a structure of a swivel support platform according to the present utility model.
Fig. 6 is a schematic view of a swivel base structure of the present utility model.
Fig. 7 is a schematic view of the involution slope structure of the present utility model.
Fig. 8 is a schematic view of the L-shaped support structure of the present utility model.
Fig. 9 is a schematic view of the involution slope structure of the present utility model.
Fig. 10 is a schematic view of the L-shaped support structure of the present utility model.
Wherein: 1. bridge pier parts; 2. a driving section; 3. a carrying part; 4. a swivel beam portion; 5. a hinge seat; 6. folding stations; 7. a start station; 8. a swivel supporting platform; 9. a central base; 10. a magnetic ring is arranged on the upper part; 11. a lower magnetic ring; 12. a linear push rod part; 13. a transverse line; 14. an involution inclined plane; 15. a transverse screw; 16. a swivel base; 17. a connector A; 18. a connector B; 19. a center lower turntable; 20. a center positioning column; 21. an L-shaped support; 22. a magnetic ring is arranged; 23. an upper flexible connection member; 24. a lower magnetic ring; 25. a lower flexible connection member; 26. an upper hinging seat; 27. a lower hinge seat; 28. an auxiliary push rod; 29. a limiting block; 30. a guide groove.
Detailed Description
As shown in fig. 1 to 10, the assembly for erecting a closure section of a continuous beam with a wide span and a high speed in this embodiment generally comprises a driving part 2 and a carrying part 3 provided on a bridge pier part 1 as a basic structure; thereby realizing the rotation support and the rotation body driving.
The supporting part 3 is used for supporting the middle part O of the lower end of the swivel beam part 4; for convenience of description, modeling and theoretical description are more clear.
Compared with the traditional gear type driving, one end of the driving part 2 is hinged with the swivel beam part 4 through the hinging seat part 5, and the other end of the driving part is hinged with the pier part 1 at C, so as to drive the swivel beam part 4 to swivel from the starting station 7 at the point A to the folding station 6 at the point B; point A, B, O forms a right triangle, point O is at right angle, and the line connecting point A, B is the hypotenuse; point B is between points O, C. The driving part 2 is a plurality of hydraulic cylinder assemblies or electric push rod assemblies; preferably a point O, B, C collinear arrangement; a coordinate system is established with the middle point O as the center and the point B, O as the X-axis.
The driving part 2 pulls the hinge seat part 5 to form a pulling moment N, the hinge seat part 5 receives the resistance force fresistance of the swivel beam part 4 to form a load moment M resistance, the hinge seat part 5 receives the resultant force Ffit=Fpull-F resistance, the F fit forms a moment N fit, and the F fit corresponds to the coordinate component force F X ,F Y ；
F of the hinge base 5 during rotation of the swivel beam 4 Y Gradually become smaller, acceleration a y Gradually become smaller, thereby realizing the impulse impact when reducing the stop, the early speed is fast, realizing the quick drive, saving time, protecting the integral structure.
The supporting part 3 comprises a rotating body rotating seat 16 with a U-shaped structure; a central lower rotary table 19 is arranged at the lower middle part of the swivel rotary seat 16; here a conventional mechanism.
Two guide grooves 30 are formed on the swivel seat 16, wherein the guide grooves are of an adaptive design, and can also be guide rails, slide ways and the like;
the hinge base 5 includes a connector a17 and a connector B18 provided in the corresponding guide grooves 30, respectively, and is preferably designed in pairs, and is structurally stable.
A swivel support platform 8 is arranged on the pier part 1; a center seat body 9 is arranged at the center of the swivel support platform 8;
as another utility model point, the magnetic suspension structure designed before needs to ensure that two magnetic force parts are equidistant, has strict design and high manufacturing cost. Aiming at the prior design, the utility model skillfully changes the thought, utilizes the suction principle to improve the structure, an upper magnetic ring 10 and a lower magnetic ring 11 are arranged on the central seat body 9 in a layered manner, the contact friction between the turntables is reduced through magnetic suction, a central positioning column 20 is arranged at the lower part of the central lower turntable 19, and the central positioning column 20 is matched with the central seat body 9;
a plurality of L-shaped supports 21 are distributed around the lower end of the central lower turntable 19, and an upper flexible connecting piece 23 and a lower flexible connecting piece 25 are arranged on the L-shaped supports 21; the flexible connecting piece can be a spring, a steel wire rope, a flexible shaft, a universal joint and the like.
An upper magnetic ring 22 corresponding to the upper magnetic ring 10 is arranged on the upper flexible connecting piece 23, a lower magnetic ring 24 corresponding to the lower magnetic ring 11 is arranged below the lower flexible connecting piece 25, and is adjusted through electromagnetic force, and after the electromagnetic force is absorbed, the automatic adjustment is realized through the planeness between the two surfaces, so that uniform stress is ensured.
As a specific description, the driving part 2 includes a linear push rod part 12 provided on the swivel support platform 8, and the hinge seat part 5 includes an upper hinge seat 26; the push rod can be hydraulic, electric or pneumatic, etc.
Both ends of the linear push rod part 12 are hinged with corresponding parts through an upper hinging seat 26 and a lower hinging seat 27 respectively;
the linear push rod part 12 is hinged with the swivel support platform 8 through an auxiliary push rod 28;
the folding station 6 is provided with a limiting block 29, so that position determination is realized, and a sensor and the like can be configured.
The construction system for erecting the closure section of the large-span wide-width high-speed continuous beam comprises a pier part 1 and a swivel beam part 4, wherein a turntable assembly is arranged at the pier part 1; thereby realizing a swivel.
As an utility model point, the end face of the swivel beam part 4 is an involution inclined plane 14, the included angle of the involution inclined plane 14 relative to the transverse line 13 of the swivel beam part 4 is 45 degrees, and the lateral wall of the involution inclined plane 14 is provided with a transverse screw rod 15.
As a general match, the turntable assembly is matched with conventional parts such as a pump station, a circuit system and the like.
As shown in fig. 1-10, the method for erecting a closure section of a broad-width high-speed continuous beam of the present embodiment performs the following steps by means of a construction assembly of the closure section of the broad-width high-speed continuous beam; the two linear push rod parts 12 drive the connectors A17 and B18 to move in the corresponding guide grooves 30 through the upper hinge seat 26, so that moment is generated to drive the swivel seat 16 to swivel from the point A of the starting station 7 to the point B of the folding station 6, and during swivel, FY of the hinge seat part 5 gradually becomes smaller and acceleration ay gradually becomes smaller.
When point B of the folding station 6 is reached, the auxiliary push rod 28 drive points B, O, C are collinear;
when rotating, the lower surface of the upper magnetic ring 10 and the upper surface of the upper magnetic ring 22 are electromagnetically attracted, and the upper surface of the lower magnetic ring 11 and the lower surface of the lower magnetic ring 24 are electromagnetically mutually exclusive.
In the pier construction process of the embodiment, the following steps are executed by means of a construction system for erecting a closure section of a large-span wide high-speed continuous beam;
constructing a pier part 1, constructing a span-wide high-speed continuous beam closure section erection assembly, and hanging a swivel beam part 4 onto a swivel rotary seat 16 through a crane;
step two, performing swivel operation;
and thirdly, after the rotator, adjusting the gap between the two involution inclined planes 14 according to the thermal expansion and contraction quantity, and fastening the two involution inclined planes through a transverse screw rod 15.
The utility model prefers construction notice, and (1) when the construction hanging frame is installed, construction is required to be carried out according to the installation design requirement of the hanging frame structure, and the girder body is transversely and symmetrically installed by structural members at the same time, so that the installation and construction safety of the hanging frame is ensured. (2) Besides the relevant regulations of the current standard, the overlapping length of the closure beam section template and the surface of the two cantilever end beams should not be less than 30cm, the overlap joint must be tight and firm, and an elastic adhesive tape should be arranged in the overlap joint to prevent slurry leakage during concrete vibration. The attached concrete vibrator and other construction loads should be symmetrically and uniformly arranged. (3) Welding quality should be guaranteed when each position of the hanging bracket is welded. (4) The finish rolling deformed steel bar should be sleeved with a rubber sleeve, and the end head should be provided with a double nut. (5) The bottom die system needs to be subjected to static load pre-pressing, the pre-pressing load is 1.2 times of the maximum construction load, and the pre-pressing load is loaded in three stages (60%, 100% and 120%).
The present utility model is fully described for more clarity of disclosure and is not set forth in the prior art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; it is obvious to a person skilled in the art to combine several embodiments of the utility model. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model. The technical content that is not described in detail in the utility model is known in the prior art.
Claims (4)
1. The utility model provides a stride wide and wide high-speed continuous beam closure section and erect subassembly which characterized in that: comprises a driving part (2) and a supporting part (3) which are arranged on the bridge pier part (1);
the supporting part (3) is used for supporting the middle part O of the lower end of the swivel beam part (4);
one end of the driving part (2) is hinged with the swivel beam part (4) through the hinging seat part (5) and the other end of the driving part is hinged with the pier part (1) to be connected with C, and the driving part is used for driving the swivel beam part (4) to swivel from the starting station (7) to the folding station (6) at the point A; point A, B, O forms a right triangle, point O is at right angle, and the line connecting point A, B is the hypotenuse;
point B is between points O, C.
2. The span wide high speed continuous beam closure segment erection assembly of claim 1, wherein:
the points O, B, C are arranged collinearly;
establishing a coordinate system by taking the middle point O as a center and taking the point B, O as an X axis;
the driving part (2) pulls F the hinging seat part (5) to form a pulling moment N Pulling device The hinge seat part (5) receives the resistance force f of the swivel beam part (4) Resistance resistor And form the load moment M Resistance resistor The hinge base (5) receives a resultant force F Closing device ＝F Pulling device -f Resistance resistor ，F Closing device Form moment N Closing device ，F Closing device Corresponding coordinate component force F X ,F Y ；
F of the hinge seat part (5) during rotation of the swivel beam part (4) Y Gradually become smaller, acceleration a y Gradually becoming smaller.
3. The span wide high speed continuous beam closure segment erection assembly of claim 1, wherein: the supporting part (3) comprises a rotating body rotating seat (16) with a U-shaped structure; a central lower rotary table (19) is arranged at the lower middle part of the rotary body rotary seat (16);
two guide grooves (30) are formed in the swivel rotary seat (16);
the hinge base (5) includes a connector A (17) and a connector B (18) provided in the corresponding guide grooves (30), respectively.
4. The span wide high speed continuous beam closure segment erection assembly of claim 3, wherein: the driving part (2) comprises a linear push rod part (12) arranged on the swivel support platform (8), and the hinging seat part (5) comprises an upper hinging seat (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321092697.0U CN219731685U (en) | 2023-05-08 | 2023-05-08 | Span wide-range high-speed continuous beam closure section erection assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321092697.0U CN219731685U (en) | 2023-05-08 | 2023-05-08 | Span wide-range high-speed continuous beam closure section erection assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219731685U true CN219731685U (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321092697.0U Active CN219731685U (en) | 2023-05-08 | 2023-05-08 | Span wide-range high-speed continuous beam closure section erection assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219731685U (en) |
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2023
- 2023-05-08 CN CN202321092697.0U patent/CN219731685U/en active Active
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