CN113430952A - Novel turning system with track and turning trolley - Google Patents
Novel turning system with track and turning trolley Download PDFInfo
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- CN113430952A CN113430952A CN202110663906.1A CN202110663906A CN113430952A CN 113430952 A CN113430952 A CN 113430952A CN 202110663906 A CN202110663906 A CN 202110663906A CN 113430952 A CN113430952 A CN 113430952A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
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- 238000010276 construction Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 241000607142 Salmonella Species 0.000 description 1
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- 230000001174 ascending effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
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- 238000005266 casting Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
Abstract
The invention relates to the technical field of bridge design and construction, in particular to a novel turning system with a track and a turning trolley; the system comprises a pier foundation, piers and a beam body, wherein the piers are arranged on the pier foundation, a rotary connecting component which can enable the beam body to rotate on the piers is arranged between the beam body and the piers, one end of the beam body is provided with a beam end supporting component, the beam end supporting component can adopt a modulus type to support the steel pipe column, a curved track is arranged below the beam end supporting component, a swivel trolley is further arranged between the track and the beam end supporting component, and the swivel trolley drives the beam body to rotate. The novel swivel system provided by the invention can replace the traditional spherical hinge system with the rotary connecting assembly, the swivel trolley is used for providing traction, the assembly processes are reduced, the swivel can be realized by the swivel trolley traveling along the track, the structure is simple, the required traction force can be reduced, the energy consumption is reduced, and meanwhile, the swivel trolley, the track and the beam end supporting assembly can be detached and reused, so that the cost can be saved.
Description
Technical Field
The invention relates to the technical field of bridge design and construction, in particular to a novel turning system with a track and a turning trolley.
Background
The conventional swivel system is complicated in construction, wherein the swivel support systems are respectively composed of an upper swivel plate and a lower swivel plate, and the lower swivel plate is connected with the upper swivel plate through a spherical hinge as a foundation facility. A spherical hinge is used as a core for rotation and bearing, a supporting leg and a slideway are used as an anti-overturning safety system, and a traction cable, a continuous tensioning jack and a counter-force seat are used as force application systems of a rotating body. When the rotary body rotates, a pair of traction counter forces are provided for the continuous jack through the counter force seats arranged at the axisymmetric positions on the left side and the right side of the spherical hinge, the guy cable wound on the rotary table is continuously pulled to form a pair of force couples, and the structure above the spherical hinge rotates along the center of the spherical hinge. In order to prevent the structure from overturning in the rotating process, balance systems such as supporting feet, slideways and the like are symmetrically arranged between an upper rotating disc and a lower rotating disc of the rotating structure.
The conventional swivel system is complex in structure and complex in construction, concrete between the upper rotary table and the lower rotary table needs to be sealed and hinged after the swivel is finished, a hinge sealing part is generally the place where the stress of a pier is maximum, the welding quality of upper and lower reinforcing steel bars of a rear pouring part is difficult to guarantee, and a hinge sealing section is a weak link of a swivel bridge and has potential safety hazards. Along with the increase of the tonnage of turning, the size of the spherical hinge is increased, the spherical hinge is difficult to transport, and the development of the tonnage of turning is limited.
Disclosure of Invention
In order to solve the problems, the invention provides a novel revolving system with a track and a revolving trolley, which comprises a pier foundation, a pier and a beam body, wherein the pier is arranged on the pier foundation, a rotary connecting component capable of enabling the beam body to rotate on the pier is arranged between the beam body and the pier, a beam end supporting component is arranged at one end of the beam body, an arc-shaped track is arranged below the beam end supporting component, a revolving trolley moving along the track is also arranged between the track and the beam end supporting component, and the revolving trolley drives the beam body to rotate.
Preferably, the beam end support assembly is formed by longitudinally splicing a plurality of steel pipe columns, and the steel pipe columns can bear tension and pressure.
Preferably, a height-adjustable sandbox is further arranged between the beam end support assembly and the beam body.
Preferably, the rotary connection assembly comprises a support cushion stone arranged on the bridge pier, a steel plate arranged on the support cushion stone and the beam body, and a pin shaft is further arranged in the support cushion stone and extends into the steel plate on the beam body.
The beam body can rotate by taking the pin shaft as a central shaft in the rotating process of the beam body, and the pin shaft limits the beam body to have position deviation in the rotating process.
Preferably, swivelling joint subassembly is including setting up respectively pier top and the lower bearing seat and the last supporting seat of roof beam body below, go up the supporting seat with rotatable coupling between the lower bearing seat, go up the supporting seat with still be provided with the jack between the lower bearing seat.
The roof beam body is at the in-process of turning, and the roof beam body accessible is gone up supporting seat and lower supporting seat and is carried on spacingly, avoids taking place the skew at the in-process of turning, and concrete embodiment is, goes up supporting seat and lower supporting seat and can set up recess and arch, and the arch can be inserted and remove in the recess and accomplish spacingly, for the more convenient rotation of the roof beam body, goes up and still is provided with the jack between supporting seat and the lower supporting seat.
The beam body rotates on the pier, the rotary connecting assembly can also be a hinge support, the hinge support is arranged between the beam body and the pier, and the beam body is supported and limited in the rotating process.
Preferably, still include the track basis, be provided with on the track basis the track.
Preferably, the swivel trolley is provided with at least four wheels, and the wheels are arranged above the track and can move along the track.
Preferably, the end of the beam body connected with the beam end support assembly is further provided with a weight.
Preferably, the swivel trolley is provided with at least four wheels, the track is provided with an open steel box girder, and the wheels are arranged in the open steel box girder and move along the open steel box girder.
Preferably, a guide wheel is further arranged between the swivel trolley and the opening steel box girder.
The turning trolley is provided with at least four wheels, the wheels are arranged on the track and can move along the track, the turning trolley is provided with a power system and can tend to move along the track and drive the beam body to rotate, and in the rotating process, if the wheels are arranged above the track, the turning trolley cannot bear upward tension, namely the weight of the beam body at one end with the beam end supporting component is at least the same as that of the other end, preferably, the beam body is slightly heavier at one end with the beam end supporting component, the dead weight of the other end of the beam body is avoided, the turning trolley generates upward tension, so that the turning trolley is separated from the track, and a weight block can be placed at one end of the beam body with the beam end supporting component for balancing weight, so that the weight requirement is met; the track also can adopt the structure of opening steel box girder, the wheel setting of the dolly of turning is in opening steel box girder, opening steel box girder can restrict the wheel and remove on vertical, the dolly of turning can bear pressure and pulling force, the weight that the roof beam body has one end of beam-ends supporting component can exert pressure through setting up the ballast piece, or the roof beam body has one end of beam-ends supporting component to be slightly light, the dolly of turning can receive ascending pulling force, opening steel box girder can carry on spacingly to the dolly of turning, the biggest pulling force that the dolly of turning can bear is 5 tons, the biggest pressure that the dolly of turning can bear is 10 tons.
The working principle of the novel swivel system with the track and the swivel trolley provided by the invention is that a pier foundation and a pier are constructed in parallel with a railway track, a track foundation and an installation track below the swivel trolley can be synchronously constructed, the track can select a conventional track or an open steel box girder according to the weight of one end of the girder body to be rotated, then a rotary connecting assembly is constructed on the pier, a proper rotary connecting assembly can be selected for construction according to the actual construction requirement, then the girder body is constructed, the swivel trolley is installed on the track, then a girder end supporting assembly and a sandbox are arranged between the swivel trolley and the girder body, the height of the sandbox can be finely adjusted, the sandbox is used for assisting the girder end supporting assembly to adjust the height and facilitate disassembly, a weight block can be arranged on the girder body according to the self weight of one end of the girder body to be rotated and the type of the track, after the installation is finished, and starting a power system of the swivel trolley, moving the swivel trolley along the rail, then driving the beam body to rotate, swiveling the beam body, and after the beam body is swiveled, dismantling the swivel trolley, the rail and the beam end support assembly for recycling.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1) the novel swivel system with the track and the swivel trolley can replace the traditional spherical hinge system by using the swivel connecting component, traction is provided by using the swivel trolley, the assembly procedures are reduced, swivel can be realized by the swivel trolley walking along the track, the structure is simple, force is applied to one end of a beam by the swivel trolley, the required traction force can be reduced, and the energy consumption is reduced;
2) according to the novel swivel system with the track and the swivel trolley, the track and the beam end supporting assembly are convenient to install, and after the beam body is swiveled, the swivel trolley, the track and the beam end supporting assembly can be detached and reused, so that the construction cost can be reduced, and the economic benefit is increased;
3) according to the novel swivel system with the track and the swivel trolley, the swivel trolley is arranged on the track, and through the use of the tracks with different structures, the swivel trolley can bear tension or pressure, so that the position of a beam body can be more conveniently set, the efficiency of beam body installation is improved, the beam body construction efficiency is further improved, and the construction time is reduced;
4) according to the novel swivel system with the track and the swivel trolley, provided by the invention, the pier and the swivel connecting assembly of the swivel system can be normally constructed, and sealing and hinging construction is not required after swiveling. The conventional swivel system is complex in structure and construction, concrete between an upper rotating disc and a lower rotating disc needs to be sealed and hinged after the swivel is finished, a hinge sealing part is generally the place with the largest stress on a pier, the welding quality of upper and lower steel bars of a rear pouring part is difficult to guarantee, and a hinge sealing section is a weak link of a swivel bridge and has potential safety hazards; according to the invention, after the beam body is rotated, the beam body does not move on the pier, and no sealing and hinging construction is required.
Drawings
FIG. 1 is a top view of the novel swivel system with a track and swivel cart of the present invention;
FIG. 2 is a schematic structural view of the novel swivel system with a track and a swivel trolley according to the present invention;
FIG. 3 is a schematic structural view of the novel swivel system beam body with a track and a swivel trolley after the swivel is completed;
fig. 4 is a schematic structural view of a portion a in fig. 2 in a top view of the novel swivel system with a track and a swivel trolley according to the present invention (a schematic structural view of a swivel connection assembly in embodiment 1);
fig. 5 is a schematic structural view of a portion a in fig. 2 in a top view of the novel swivel system with a track and a swivel trolley according to the present invention (a schematic structural view of a swivel connection assembly in embodiment 2);
fig. 6 is a schematic structural view of a portion a in fig. 2 in a top view of the novel swivel system with a track and a swivel trolley according to the present invention (a schematic structural view of a swivel connection assembly in embodiment 3);
FIG. 7 is a schematic structural view of portion B of FIG. 2 from above of the novel swivel system with a track and swivel cart of the present invention;
FIG. 8 is another schematic structural view of section B of FIG. 2 from above of the novel swivel system with track and swivel cart of the present invention;
FIG. 9 is a schematic structural view of a beam-end support assembly of the novel swivel system with a track and a swivel trolley according to the present invention;
FIG. 10 is another schematic structural view of the beam end support assembly of the novel swivel system with a track and swivel cart of the present invention;
fig. 11 is a schematic view of a portion of the structure of fig. 9 of the novel swivel system with track and swivel cart of the present invention (enlarged view of the sandbox);
fig. 12 is a schematic diagram of the internal structure of the sandbox of the novel swivel system with the track and the swivel trolley.
1-bridge pier foundation; 2-bridge pier; 3-a beam body; 4-a rotating connection assembly; 401-supporting a cushion stone; 402-steel plate; 403-pin shaft; 404-lower support seat; 4041-groove; 405-upper support; 4051-bumps; 406-a jack; 407-hinge support; 5-beam-end support assemblies; 501-steel pipe column; 6-orbit; 601-opening steel box girder; 7-swivel trolley; 701-vehicle wheels; 702-a guide wheel; 8-railway track; 9-sandbox; 901-taking the salmonella; 10-track foundation; 11-weight block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention. In the drawings, the size and relative sizes of certain features may be exaggerated for clarity.
As shown in the attached drawings 1-3 of the specification, the invention provides a novel swivel system with a track and a swivel trolley, which comprises a pier foundation 1, a pier 2 and a beam body 3, wherein the pier 2 is arranged on the pier foundation 1, a rotary connecting assembly 4 capable of enabling the beam body 3 to rotate on the pier 2 is arranged between the beam body 3 and the pier 2, a beam end supporting assembly 5 is arranged at one end of the beam body 3, an arc-shaped track 6 is arranged below the beam end supporting assembly 5, a swivel trolley 7 moving along the track 6 is further arranged between the track 6 and the beam end supporting assembly 5, and the swivel trolley 7 drives the beam body 3 to rotate.
The girder body 3 rotates 90 degrees at most in the process of rotating, the rotating trolley 7 is arranged at one end of the girder body 3 and can drive the girder body 3 to rotate, the pier foundation 1 and the pier 2 are arranged in parallel with the railway track 8, the pier 2 can be formed by casting concrete in situ or prefabricated parts, and in order to increase the strength of the pier 2, the concrete is preferably cast in situ.
Further, the beam-end support assembly 5 is formed by longitudinally splicing a plurality of steel pipe columns 501, the steel pipe columns 501 can bear tensile force and pressure, the beam-end support assembly 5 is assembled by using a modular support form through a steel pipe column 501, the steel pipe column 501 can be a section of 1m, 3m or 6m, the steel pipe columns 501 with different lengths are selected according to the height for assembly, and can be connected by adopting structures such as a flange plate, a sleeve and the like, for better support of the beam 3 and for easier removal of the sandbox 9 and beam end support assembly 5, a height-adjustable sandbox 9 is further arranged between the beam end supporting assembly 5 and the beam body 3, as shown in fig. 9-12 of the specification, a steel sandbox is preferably selected as the sandbox 9, the height of the sandbox 9 can be properly adjusted by adjusting the amount of sand in the sandbox 9, and a sand fetching door 901 is further arranged on the sandbox 9; during the use, install roof beam end supporting component 5 and sandbox 9 between the dolly 7 and the roof beam body 3 of turning, the lower extreme of roof beam end supporting component 5 can dismantle with the dolly 7 of turning and be connected, can carry out fixed connection with the screw, sandbox 9 can be dismantled with the roof beam body 3 and be connected, accomplish the back of turning, if the roof beam body 3 applys pressure to roof beam end supporting component 5, then roof beam end supporting component 5 and sandbox 9 all are compressed tightly, it is big to demolish the degree of difficulty, can put sand partly by getting husky door 901, reduce the height of sandbox 9, make things convenient for demolising of sandbox 9 and roof beam end supporting component 5.
The upper end of the beam-end support assembly 5 can also be directly detachably connected with the beam body 3 without arranging a sandbox 9.
As shown in fig. 4-6 of the specification, the rotary joint assembly 4 of the present application has various structural forms, and specific embodiments are described in the following examples 1-3, and examples 1-3 are only specific embodiments of the rotary joint assembly 4, and do not affect the arrangement of other structures.
Example 1
The rotary connection assembly 4 comprises a support cushion 401 arranged on the pier 2, the support cushion 401 is of a reinforced concrete structure, the support cushion 401 and the pier 2 can be connected through a steel bar connector, a steel bar planting or an anchor bolt, the rotary connection assembly 4 further comprises a steel plate 402 arranged on the support cushion 401 and pre-embedded on the beam body 3, holes are reserved in the support cushion 401 and the steel plate 402, a pin shaft 403 is further arranged in the support cushion 401 and extends into the steel plate 402 on the beam body 3, in order to guarantee strength, the pin shaft 403 is a steel structural member, and the steel plate 402 is circular; during the rotation of the beam body 3, the beam body 3 can rotate by taking the pin 403 as a central axis, and the pin 403 limits the beam body 3 from deviating in position during the rotation.
Example 2
The rotary connection assembly 4 comprises a lower support seat 404 and an upper support seat 405 which are respectively arranged above the pier 2 and below the beam body 3, the upper support seat 405 is rotatably connected with the lower support seat 404, and the concrete implementation mode is as follows: the lower supporting seat 404 is provided with a groove 4041, and the upper supporting seat 405 is provided with a protrusion 4051 which can be inserted into the groove 4041; or a large annular groove 4041 is arranged on the lower support seat 404, a plurality of protrusions 4051 which can be inserted into the groove 4041 are arranged on the upper support seat 405 at the corresponding position of the groove 4041, and the protrusions 4051 move in the groove 4041 during the rotation of the beam body 3; the structures of the upper supporting seat 405 and the lower supporting seat 404 can be exchanged, the using effect is not affected, the beam body 3 is rotated, the protrusion 4051 is inserted into the groove 4041, the position of the beam body 3 can be limited, the position deviation in the rotating process is avoided, the upper supporting seat 405 and the lower supporting seat 404 are also provided with the jack 406, and the jack 406 can be multiple and is determined according to specific construction requirements.
Example 3
The rotating connection assembly 4 is a hinge support 407, the hinge support 407 is arranged between the beam body 3 and the pier 2, and the beam body 3 is supported and limited in the rotating process of the beam body 3.
The implementation mode of the rotary connection assembly 4 is various, and can be selected according to construction requirements, and after the turning of the beam body 3 is completed, the connection between the beam body 3 and the pier 2 does not need to be sealed and hinged.
Further, the device also comprises a track foundation 10, and the track 6 is arranged on the track foundation 10.
As shown in fig. 7-8 of the specification, the swivel trolley 7 is provided with at least four wheels 701, the wheels 701 can be steel wheels, the connection between the swivel trolley 7 and the rail 6 can be varied, and the structure of the rail 6 can be varied, wherein one way is that the rail 6 adopts a conventional rail structure, the wheels 701 are arranged above the rail 6 and can move along the rail 6, and in this connection, the wheels 701 are arranged above the rail 6, so that the swivel trolley 7 cannot bear upward tension, that is, the weight of the beam 3 at one end with the beam-end support assembly 5 is at least the same as that at the other end, preferably, the beam 3 is slightly heavier at one end with the beam-end support assembly 5, so as to avoid the dead weight of the other end of the beam 3, and generate upward tension on the swivel trolley 7, so that the swivel trolley 7 is separated from the rail 6, and a weight 11 can be placed at one end of the beam 3 with the beam-end support assembly 5 for counterweight, the weight requirement is met, so that the swivel trolley 7 is pressed downwards, and derailment of the swivel trolley in the process of moving along the track is avoided.
In another mode, the track 6 is provided with an open steel box girder 601, the wheels 701 are arranged in the open steel box girder 601 and move along the open steel box girder 601, the open steel box girder 601 can limit the wheels 701 to move in the longitudinal direction, the swivel trolley 7 can bear pressure and tension, the weight of one end of the girder 3 with the girder end support assembly 5 can be pressed by arranging a weight 11, or one end of the girder 3 with the girder end support assembly 5 is slightly light, the swivel trolley 7 can bear upward tension, the open steel box girder 601 can limit the swivel trolley 7, the maximum tension which can be borne by the swivel trolley 7 is 5 tons, and the maximum pressure which can be borne by the swivel trolley 7 is 10 tons; preferably, a guide wheel 702 is further disposed between the swivel trolley 7 and the open steel box girder 601, and the guide wheel 702 may be made of rubber.
Various connection modes between the wheels 701 of the swivel trolleys 7 and the rails 6 can be arranged and combined with the structure of the rotating connection assembly 4 in the embodiments 1-3, and the arrangement of the swivel trolleys 7 and the rails 6 does not influence the selection of the rotating connection assembly 4.
In general, the beam body swivel is characterized in that a pair of traction cables embedded in the rotary table above the traction spherical hinge form a rotating couple to enable the upper structure to rotate, under the condition of not considering wind load, traction torque needs to overcome resistance torque M1 generated by friction resistance of the spherical hinge under the action of the weight of the swivel, the contact surface of the spherical hinge can be simplified and regarded as a plane, and the value of the plane is calculated according to the following formula:
in the formula:
μ: coefficient of friction resistance; f: the weight of the beam body rotating body; r1: radius of plane contact steel plate;
the resisting moment M2 at the turning trolley is
M2＝N×u1×R2
Wherein, N: supporting force at the turning trolley;
u 1: rolling friction coefficient at the turning trolley;
r2: the radius of the center of the swivel trolley;
the traction force required by the turning trolley is as follows:
T＝(M1+M2)/R2＝(2FuR1/3+N×u1×R2)/R2＝2FuR1/3R2+N×u1
r2> > R1 has smaller traction force than a conventional swivel, the N value is obtained through artificial counterweight, the size of the N value can be controlled, and the requirement on the vertical bearing capacity of a swivel trolley is not high; the larger the R2 is, the smaller the main traction force of the swivel trolley is, and when the beam-end support assembly is installed, the smaller the traction force is needed by the edge closer to one end of the beam body, and the appropriate beam-end support assembly installation position is selected according to the actual construction condition.
Taking a 2-55m swivel T structure as an example, the width of a beam body is 28m, the weight of the beam body is 100000KN, 1.45m is taken as R1, 54m is taken as R2, 100KN is taken as N, 0.1 is taken as u, 0.02 is taken as u1, and the required starting traction force of a swivel trolley is as follows:
T＝2×100000×0.1×1.45/(3×54)+100×0.02＝181KN。
the traction force required by the turning trolley is small, the power system of the turning trolley can provide the traction force required by the beam body turning, and the turning trolley can provide the driving force by adopting an engine.
The working principle of the novel swivel system with the track and the swivel trolley provided by the invention is that a pier foundation 1 and a pier 2 are constructed in a parallel railway track 8, a track foundation 10 and an installation track 6 below the swivel trolley 7 can be synchronously constructed, the track 6 can select a conventional track or an open steel box girder 601 according to the weight of one end of a girder body 3 to be rotated, then a rotary connecting assembly 4 is constructed on the pier 2, a proper rotary connecting assembly 4 can be selected for construction according to actual construction requirements, then the girder body 3 is constructed, the swivel trolley 7 is installed on the track 6, then a girder end supporting assembly 5 and a sand box 9 are arranged between the swivel trolley 7 and the girder body 3, the sand box 9 can finely adjust the height and is used for assisting the girder end supporting assembly 5 to adjust the height and facilitate the disassembly, according to the self weight of one end of the girder body 3 to be rotated and the type of the track 6, the weight block 11 can be arranged on the beam body 3, after the installation is finished, the power system of the swivel trolley 7 is started, the swivel trolley 7 moves along the track 6 and then drives the beam body 3 to rotate, the beam body 3 is swiveled, and after the beam body 3 is swiveled, the swivel trolley 7, the track 6 and the beam end supporting component 5 can be detached for recycling.
The novel swivel system with the track and the swivel trolley can replace the traditional spherical hinge system by the rotary connecting assembly, traction is provided by the swivel trolley, the assembly procedures are reduced, swivel can be realized by the swivel trolley moving along the track, the structure is simple, force is applied to one end of a beam by the swivel trolley, the required traction force can be reduced, and energy consumption is reduced; after the beam body is rotated, the rotating trolley, the rail and the beam end supporting assembly can be detached and reused, so that the construction cost can be reduced, and the economic benefit can be increased.
It should be understood by those skilled in the art that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the invention. Although an embodiment of the present invention has been described, it is to be understood that the present invention should not be limited to this embodiment, and variations and modifications can be made by those skilled in the art within the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a novel system of turning of band track and little car of turning, its characterized in that, includes pier basis, pier and the roof beam body, the pier sets up on the pier basis, the roof beam body with be provided with between the pier and make the roof beam body is in pivoted swivelling joint subassembly on the pier, wherein one end of the roof beam body is provided with beam-ends supporting component, beam-ends supporting component's below is provided with curved track, the track with still be provided with the edge between the beam-ends supporting component track removal's the dolly of turning, the dolly of turning drives the roof beam body is rotatory.
2. The novel swivel system with a track and a swivel trolley according to claim 1, wherein the beam end support assembly is formed by longitudinally splicing a plurality of steel pipe columns, and the steel pipe columns can bear tension and pressure.
3. The novel swivel system with track and swivel trolley of claim 1 wherein a height adjustable sandbox is further provided between the beam end support assembly and the beam.
4. The novel swivel system with a track and a swivel trolley according to claim 1, wherein the rotary connection assembly comprises a support pad stone arranged on the pier, and further comprises a steel plate arranged on the support pad stone and the beam body, and a pin shaft is further arranged in the support pad stone and extends into the steel plate on the beam body.
5. The novel swivel system with track and swivel trolley according to claim 1, wherein the rotary connecting assembly comprises a lower support and an upper support respectively disposed above the pier and below the beam, the upper support and the lower support are rotatably connected, and a jack is further disposed between the upper support and the lower support.
6. The novel swivel system with track and swivel trolley of claim 1 further comprising a track foundation, wherein the track foundation is provided with the track.
7. The novel swivel system with track and swivel trolley according to claim 1 wherein the swivel trolley is provided with at least four wheels, the wheels being disposed above the track and movable along the track.
8. The novel swivel system with track and swivel trolley of claim 7 wherein the end of the beam to which the beam end support assembly is attached is further provided with a weight.
9. The novel swivel system with track and swivel trolley of claim 1 wherein the swivel trolley is provided with at least four wheels, the track is provided with an open steel box girder, the wheels are disposed within and move along the open steel box girder.
10. The novel swivel system with track and swivel trolley of claim 9 wherein a guide wheel is further provided between the swivel trolley and the open steel box girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663906.1A CN113430952A (en) | 2021-06-16 | 2021-06-16 | Novel turning system with track and turning trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110663906.1A CN113430952A (en) | 2021-06-16 | 2021-06-16 | Novel turning system with track and turning trolley |
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| CN113430952A true CN113430952A (en) | 2021-09-24 |
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| CN202110663906.1A Pending CN113430952A (en) | 2021-06-16 | 2021-06-16 | Novel turning system with track and turning trolley |
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| CN108342989A (en) * | 2018-05-02 | 2018-07-31 | 中铁十局集团第二工程有限公司 | A kind of auxiliary support apparatus and bridge rotating system |
| CN209211279U (en) * | 2018-09-30 | 2019-08-06 | 广州地铁集团有限公司 | A kind of strutting system of pier top Cast-in-situ Beam |
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