CN109024264B - Bridge operation platform vehicle for avoiding stay cable - Google Patents
Bridge operation platform vehicle for avoiding stay cable Download PDFInfo
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- CN109024264B CN109024264B CN201810726587.2A CN201810726587A CN109024264B CN 109024264 B CN109024264 B CN 109024264B CN 201810726587 A CN201810726587 A CN 201810726587A CN 109024264 B CN109024264 B CN 109024264B
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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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
Abstract
The invention discloses a bridge operation platform vehicle for avoiding stay cables, which comprises: the cantilever girder truss mechanism extends towards the outer side of the bridge above the bridge deck of the bridge, one end of the cantilever girder truss mechanism is fixedly connected with a trackless trolley group which is movably supported on the bridge deck, and the other end of the cantilever girder truss mechanism is connected with an operation platform mechanism which extends to the lower part of the bridge and is used for bearing constructors; the cantilever girder truss mechanism comprises a first section and a second section which are respectively positioned at two sides of the stay cable, and the first section is connected with the second section through an avoiding mechanism; dodge the mechanism and include the driving piece, the connecting piece, locking piece and controlling means, the driving piece sets up on first section, the one end and the driving piece of connecting piece are fixed to be linked to each other, be provided with the locking piece on the second section, controlling means is connected with driving piece and locking piece, be used for control driving piece drive connecting piece move to be connected with the locking piece or disconnect coupling, and be used for controlling the locking piece to lock the connecting piece or carry out the unblock.
Description
Technical Field
The invention relates to the field of bridge operation equipment, in particular to a bridge operation platform car for avoiding stay cables.
Background
In the prior art, a work platform is used for supporting constructors to perform related work on a bridge, for example, a multifunctional work platform is disclosed in chinese patent application with application number 201710037739.3, and the multifunctional work platform includes: the trolley bus comprises a trolley bus group, a cantilever girder truss mechanism, a counterweight hurdle mechanism and an operation platform mechanism, wherein the cantilever girder truss mechanism is positioned above a bridge and comprises a cross beam which approximately extends horizontally, the inner end of the cross beam is connected with the trolley bus group and the counterweight hurdle mechanism, and the outer end of the cross beam extends out of the bridge and is connected with the operation platform. The trackless trolley set walks on the bridge floor to drive the whole platform to move along the bridge, so that the construction operation on the whole bridge section is realized.
However, the beam of the cantilever girder truss mechanism of the multifunctional operation platform is of an integral structure, and the beam cannot stride over the tensioned stay cables on the bridge when the bridge floor moves, and cannot continuously complete the construction operation of the bridge, so the multifunctional operation platform is not suitable for the bridge with the stay cables arranged on the two sides of the bridge.
Disclosure of Invention
The invention provides a bridge operation platform vehicle for avoiding stay cables, which aims to solve the technical problem that the existing multifunctional operation platform is not suitable for bridges with stay cables.
The technical scheme adopted by the invention is as follows:
the utility model provides a dodge bridge operation platform car of suspension cable, portable supporting is in order to bear constructor to carry out the construction operation to the bridge on the bridge that has the suspension cable, and bridge operation platform car includes: the cantilever girder truss mechanism extends towards the outer side of the bridge above the bridge deck of the bridge, one end of the cantilever girder truss mechanism is fixedly connected with a trackless trolley group which is movably supported on the bridge deck, and the other end of the cantilever girder truss mechanism is connected with an operation platform mechanism which extends to the lower part of the bridge and is used for bearing constructors; the cantilever girder truss mechanism comprises a first section and a second section which are respectively positioned at two sides of the stay cable, and the first section is connected with the second section through an avoiding mechanism; dodge the mechanism and include the driving piece, the connecting piece, locking piece and controlling means, the driving piece sets up on first section, the one end and the driving piece of connecting piece are fixed to be linked to each other, be provided with the locking piece on the second section, the connecting piece moves under the drive of driving piece and corresponds to its other end and locking piece position, controlling means is connected with driving piece and locking piece, be used for controlling the driving piece to drive the connecting piece and move to be connected with the locking piece or disconnect-type, and be used for controlling the locking piece and lock the connecting piece or carry out.
Furthermore, a locking piece is also arranged on the first section, the connecting piece moves to a position where the middle section corresponds to the locking piece on the first section under the driving of the driving piece, and the locking piece on the first section is also connected with the control device.
Furthermore, the first section and the second section are respectively provided with an accommodating groove, the driving part and at least one part of the connecting part are positioned in the accommodating groove on the first section, and the other end of the connecting part moves into the accommodating groove on the second section under the driving of the driving part.
Further, the driving piece is horizontally accommodated in the accommodating groove; one end of the connecting piece is fixedly connected to the output end of the driving piece, and the middle section and the other end of the connecting piece are respectively provided with a through hole; the locking piece is including being fixed in the base of accepting groove one side, and fixed mounting has drive arrangement on the base, and drive arrangement's output is connected with the locating pin, and the locating pin corresponds under drive arrangement's drive and gets into or withdraw from the through-hole in order to lock the connecting piece or carry out the unblock.
Further, the base is fixed above the containing groove, and piston holes communicated with the containing groove are formed in the two sides of the driving device on the base; the output end of the driving device is connected with a horizontally arranged fixing piece, two ends of the fixing piece are respectively connected with a positioning pin, and the positioning pin extends downwards and penetrates through the piston hole downwards under the driving of the driving device to enter the through hole so as to lock the connecting piece or withdraw from the through hole upwards and the piston hole so as to unlock the connecting piece.
Optionally, the driving member is a cylinder; the driving device is a cylinder; the connecting piece is a metal plate.
Furthermore, the cantilever girder truss mechanism comprises two first cantilever beam components which are oppositely arranged and two second cantilever beam components which are oppositely arranged between the two first cantilever beam components, and each first cantilever beam component and each second cantilever beam component respectively comprise a first section and a second section which are connected through an avoiding mechanism.
Furthermore, the bridge operation platform vehicle also comprises a traveling crane mechanism, wherein the traveling crane mechanism comprises a mounting bracket, a hoisting part arranged on the mounting bracket and rollers positioned on two sides of the mounting bracket; and guide rails for correspondingly supporting the rollers are respectively arranged on the two second cantilever beam members.
Furthermore, each guide rail comprises a first rail arranged on the first section and a second rail arranged on the second section, and the first section or the second section is rotatably connected with a connecting rail used for connecting the first rail and the second rail; the connecting track is connected with a driving mechanism, and the driving mechanism is used for driving the connecting track to rotate to open so as to avoid the stay cable or driving the connecting track to rotate to close so as to connect the first track and the second track.
Furthermore, the first section and the second section of the second cantilever beam component are respectively provided with an accommodating groove, and the accommodating grooves are provided with two opposite side walls; the guide rail is arranged on the side wall of the two second cantilever beam components which are opposite to each other.
According to the invention, the cantilever girder truss mechanism is designed into a two-section structure connected through the avoiding mechanism, when the operation platform car walks on the bridge, the connecting piece is driven to move to be connected with or disconnected from the locking piece through controlling the driving piece, so that the stay cable at the corresponding position can be avoided, the bridge construction can be continuously carried out, and the smooth proceeding of the engineering is ensured; the connecting piece is locked by the locking piece, so that the two-section structure is firmer and more reliable in a connecting state, and the reliability and the safety of the whole bridge operation platform vehicle are ensured; and the avoidance mechanism adopts the control device to realize the avoidance of the stay cable, the locking and the unlocking, the manual disassembly or the decomposition of the cantilever girder truss mechanism to avoid the stay cable is not needed, and the manual fixed connection of the two sections of the cantilever girder truss mechanism is also not needed after the stay cable is crossed, so that the structure is more reasonable, and the manual operation process is simplified.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a bridge work platform vehicle of the present invention positioned on a bridge;
FIG. 2 is an enlarged schematic view of the junction of the first and second sections of the boom main beam truss mechanism of FIG. 1 with an avoidance mechanism;
FIG. 3 is a schematic structural view of the bridge working platform vehicle of the present invention positioned on the outer side and the lower portion of the bridge;
FIG. 4 is a partial structural schematic of a first section of the cantilevered main beam truss mechanism;
FIG. 5 is a schematic view of the bridge work platform vehicle of the present invention with the first cantilevered beam member passing through the stay cable;
FIG. 6 is an enlarged schematic view of the first avoidance mechanism of FIG. 5 shown in an open position;
FIG. 7 is an enlarged schematic view of the bridge working platform of the present invention with the second avoidance mechanism open and the connecting track open as the second cantilevered beam member passes by the stay cable;
fig. 8 is a schematic structural view of the traveling crane mechanism.
The reference numbers illustrate:
1. a bridge; 10. a stay cable; 2. a cantilever girder truss mechanism; 21. a first cantilever beam member; 22. a second cantilever beam member; 23. an accommodating groove; 230. a side wall; 3. a trackless trolley group; 4. an operation platform mechanism; 5. an avoidance mechanism; 50. a drive member; 51. a connecting member; 510. a through hole; 52. a locking member; 520. a base; 521. a drive device; 522. positioning pins; 523. a piston bore; 524. a fixing sheet; 53. a control device; 6. a traveling and hoisting mechanism; 60. mounting a bracket; 61. a hoisting member; 62. a roller; 7. a guide rail; 70. connecting the rails; 71. a first track; 72. a second track; 8. counterweight hurdle mechanism.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, a preferred embodiment of the present invention provides a bridge working platform vehicle for avoiding stay cables, which is movably supported on a bridge 1 having stay cables 10 to support constructors to perform construction work on the bridge 1, such as installation of water supply and drainage pipelines of the bridge 1, or inspection, maintenance, painting and the like of the bridge 1.
Bridge work platform car includes: the cantilever girder truss mechanism 2 extends towards the outer side of the bridge 1 above the bridge deck of the bridge 1, one end of the cantilever girder truss mechanism 2 is fixedly connected with a trackless trolley group 3 movably supported on the bridge deck, and the other end of the cantilever girder truss mechanism is connected with an operation platform mechanism 4 extending below the bridge 1 and used for bearing constructors; the cantilever girder truss mechanism 2 comprises a first section and a second section which are respectively positioned at two sides of the stay cable 10, and the first section is connected with the second section through an avoidance mechanism 5; the avoidance mechanism 5 comprises a driving part 50, a connecting part 51, a locking part 52 and a control device 53, wherein the driving part 50 is arranged on a first section, one end of the connecting part 51 is fixedly connected with the driving part 50, the locking part 52 is arranged on a second section, the connecting part 51 moves to the position corresponding to the locking part 52 at the other end under the driving of the driving part 50, the control device 53 is connected with the driving part 50 and the locking part 52, and is used for controlling the driving part 50 to drive the connecting part 51 to move to be connected with or disconnected from the locking part 52 and controlling the locking part 52 to lock or unlock the connecting part 51.
According to the invention, the cantilever girder truss mechanism 2 is designed into a two-section structure connected through the avoiding mechanism 5, when the operation platform vehicle travels on the bridge 1, the connecting piece 51 is driven to move to be connected with or disconnected from the locking piece 52 by controlling the driving piece 50, so that the stay cable 10 at the corresponding position is avoided, the construction of the bridge 1 can be continuously carried out, and the smooth proceeding of the engineering is ensured; the connecting piece 51 is locked by the locking piece 52, so that the two-section structure is firmer and more reliable in a connecting state, and the reliability and the safety of the whole bridge operation platform vehicle are ensured; and the avoidance mechanism 5 adopts the control device 53 to realize the avoidance of the stay cable 10, locking and unlocking, the cantilever girder truss mechanism 2 is not required to be disassembled manually or decomposed to avoid the stay cable 10, and after the stay cable 10 is crossed, the two sections of the cantilever girder truss mechanism 2 are not required to be fixedly connected manually, so that the structure is more reasonable, the manual operation process is simplified, and the manual labor intensity is reduced.
Referring to fig. 1 to 3, further, a counterweight hurdle mechanism 8 for bearing a counterweight is further disposed at one end of the cantilever girder truss mechanism 2 on the bridge floor. The cantilever girder truss mechanism 2 comprises two first cantilever beam members 21 which are oppositely arranged and two second cantilever beam members 22 which are oppositely arranged between the two first cantilever beam members 21, wherein each first cantilever beam member 21 and each second cantilever beam member 22 respectively comprise a first section and a second section which are connected through the avoiding mechanism 5. That is, in the preferred embodiment, four avoidance mechanisms 5 are sequentially arranged on the two-segment cantilever girder truss mechanism 2 along the length direction of the bridge 1, so that the whole platform truck can sequentially pass through the stay cables 10. Four cantilever beam components through setting gradually are as the connection major structure above the bridge floor, have strengthened the joint strength and the support reliability of whole bridge work platform car.
In the preferred embodiment, the first segment is also provided with a locking member 52, and the connecting member 51 is driven by the driving member 50 to move to a position where the middle segment corresponds to the locking member 52 on the first segment, so as to ensure the reliability of the connection between the first segment and the second segment. The locking member 52 on the first section is also connected with the control device 53 to realize automatic locking by operating the control device 53, thereby reducing the labor intensity of workers. Specifically, a locking member 52 is disposed on a first section of each of the first cantilevered beam members 21 and each of the second cantilevered beam members 22, respectively.
Furthermore, the first section and the second section are respectively provided with an accommodating groove 23, the driving member 50 and at least a part of the connecting member 51 are located in the accommodating groove 23 on the first section, and the other end of the connecting member 51 is driven by the driving member 50 to move into the accommodating groove 23 on the second section. The driving member 50 and the connecting member 51 are disposed in the receiving slot 23, so that the influence of other structures on the driving member 50 and the connecting member 51 can be avoided, and the receiving slot 23 can guide and limit the movement of the driving member 50 and the connecting member 51.
Taking the partial structure of the first section of the main girder truss mechanism 2 of the cantilever in fig. 3 as an example, and combining with the schematic structural views in fig. 2 to 6, the specific structure and connection relationship of the avoidance mechanism 5 disposed between the first section and the second section of the first cantilever member 21 will be described here.
The driving member 50 is horizontally accommodated in the accommodating groove 23. Optionally, the drive 50 is a cylinder. One end of the connecting member 51 is fixedly connected to the output end of the driving member 50, and the middle section and the other end of the connecting member 51 are respectively provided with a through hole 510. In this embodiment, two through holes 510 are respectively formed at the middle section and the other end of the connecting member 51. Alternatively, the connecting member 51 is made of a metal plate.
The locking member 52 includes a base 520 fixed on one side of the receiving groove 23, a driving device 521 is fixedly mounted on the base 520, a positioning pin 522 is connected to an output end of the driving device 521, and the positioning pin 522 correspondingly enters or exits the through hole 510 under the driving of the driving device 521 to lock or unlock the connecting member 51. Alternatively, the driving device 521 is a cylinder.
In the preferred embodiment, the base 520 is fixed above the receiving groove 23, and piston holes 523 communicating with the receiving groove 23 are opened on both sides of the driving device 521 on the base 520. The output end of the driving device 521 is connected with a horizontally arranged fixing plate 524, two ends of the fixing plate 524 are respectively connected with a positioning pin 522, and the positioning pin 522 extends downwards and passes through the piston hole 523 downwards to enter the through hole 510 under the driving of the driving device 521 to lock the connecting piece 51 or exits the through hole 510 upwards and the piston hole 523 to unlock the connecting piece 51.
The control device 53 may comprise two solenoid valves for controlling the driving member 50 and the locking member 52, respectively, i.e. the cylinder and the air cylinder are connected to different solenoid valves, respectively, for independent control of the two. The control device 53 can also adopt an electromagnetic valve and a PLC to realize the linkage control of the driving element 50 and the locking element 52, so as to realize automatic control and further simplify the manual operation process.
Further, referring to fig. 2 and 8, in the preferred embodiment of the present invention, the bridge working platform further comprises a row hanging mechanism 6, and the row hanging mechanism 6 is slidably supported on the two second cantilever beam members 22 and can move on the bridge floor from the inside to the outside of the bridge. The traveling crane mechanism 6 includes a mounting bracket 60, a hoisting member 61 provided on the mounting bracket 60, and rollers 62 provided on both sides of the mounting bracket 60. The hoisting part 61 includes a hoist, a pulley, a hoist rope, and a hook, and is used to hoist an object on the deck such as a drain pipe or the like downward below the bridge 1, so that a constructor on the work platform mechanism 4 mounts the drain pipe below the bridge 1.
Referring to fig. 4 to 6, the two second cantilever members 22 are respectively provided with a guide rail 7 for supporting the roller 62. Further, each guide rail 7 includes a first rail 71 disposed on the first section, and a second rail 72 disposed on the second section. In order to avoid the stay cable 10 from the guide rail 7, a connecting rail 70 for connecting a first rail 71 and a second rail 72 is also rotatably connected to the first section or the second section. The connecting rail 70 is connected to a driving mechanism (not shown) for driving the connecting rail 70 to rotate open to avoid the stay cable 10 or driving the connecting rail 70 to rotate closed to engage the first rail 71 and the second rail 72. The drive mechanism may be a hydraulic cylinder.
The first and second sections of the second cantilevered member 22 are provided with receiving grooves 23, respectively. The receiving groove 23 has two opposite sidewalls 230. The guide rail 7 is disposed on the opposite side walls 230 of the two second cantilever beam members 22. In this embodiment, the guide rail 7 is disposed on the top of the corresponding sidewall 230. The rollers 62 of the row hoisting mechanism 6 are supported on the respective side walls 230. The second cantilever beam member 22 is fully utilized to realize the sliding of the traveling crane mechanism 6 while ensuring that the second cantilever beam member 22 can avoid the stay cable 10, thereby reducing the number of structural members and simplifying the whole structure.
In other embodiments, the cantilever girder truss mechanism 2 may include only one pair of first cantilever members 21, and the first cantilever members 21 are provided with rails 7 for supporting the rollers 62 of the row hanging mechanism 6. Similarly, the guide rail 7 is engaged by the connecting rail 70 in a two-section structure, and the connecting rail 70 is controlled to rotate to open or close by a driving mechanism.
When the bridge operation platform vehicle passes through the stay cable 10, only one avoidance mechanism 5 can be switched on and off at one time in order to ensure the reliable connection and the safety of the platform vehicle. Referring to fig. 5 and 7, the concrete process of the bridge working platform vehicle of the present invention when passing through the stay cable 10 is as follows:
as shown in fig. 5, when the first cantilever member 21 passes through the stay cable 10, the first avoidance mechanism 5 at that position is opened: operating the control device 53 corresponding to the avoiding mechanism 5, opening the cylinder on the first segment, and driving the positioning pin 522 to move upwards by the cylinder so as to withdraw from the corresponding through hole 510 and the piston hole 523; the cylinder on the second section is opened, and the cylinder drives the positioning pin 522 to move upwards so as to withdraw from the corresponding through hole 510 and the piston hole 523 to realize unlocking; and finally, opening the oil cylinder, and driving the connecting piece 51 to withdraw from the accommodating groove 23 in the second section and return to the accommodating groove 23 in the first section, so that the first section is disconnected from the second section, and the stay cable 10 is avoided.
After the first cantilever beam member 21 passes through the stay cable 10, the following steps are performed in reverse order: the oil cylinder is closed first, and the oil cylinder drives the connecting piece 51 to move from the first section to the other end of the connecting piece and enter the second section; then, the cylinder on the second section is closed, and the cylinder drives the positioning pin 522 to move downwards so as to enter the piston hole 523 and the through hole 510, so that the other end of the connecting piece 51 is locked; finally, the cylinder on the first section is closed, and the cylinder drives the positioning pin 522 to move downwards to enter the piston hole 523 and the through hole 510, so that the middle section of the connecting piece 51 is locked.
As shown in fig. 6, when the second cantilever member 22 passes through the stay cable 10, the operation of the second avoiding mechanism 5 is substantially the same as that described above, but here, the driving mechanism is controlled to drive the connecting rail 70 to rotate open to avoid the stay cable 10, and after the stay cable 10 is passed, the driving mechanism is controlled to drive the connecting rail 70 to rotate closed to connect the first rail 71 and the second rail 72.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a dodge bridge operation platform car of suspension cable, portable supporting is right with bearing constructor on bridge (1) that has suspension cable (10) bridge (1) carries out the construction operation, its characterized in that, bridge operation platform car includes:
the cantilever girder truss mechanism (2) extends towards the outer side of the bridge (1) above the bridge deck of the bridge (1), one end of the cantilever girder truss mechanism (2) is fixedly connected with a trackless trolley group (3) movably supported on the bridge deck, and the other end of the cantilever girder truss mechanism is connected with an operation platform mechanism (4) which extends to the lower part of the bridge (1) and is used for bearing constructors;
the cantilever girder truss mechanism (2) comprises a first section and a second section which are respectively positioned at two sides of the stay cable (10), and the first section is connected with the second section through an avoidance mechanism (5);
one end of the cantilever girder truss mechanism (2) positioned on the bridge floor is also provided with a counterweight hurdle mechanism (8) for bearing a counterweight block;
the avoidance mechanism (5) comprises a driving piece (50), a connecting piece (51), a locking piece (52) and a control device (53),
the driving piece (50) is arranged on a first section, one end of the connecting piece (51) is fixedly connected with the driving piece (50), the locking piece (52) is arranged on a second section, the connecting piece (51) moves to the position corresponding to the locking piece (52) at the other end under the driving of the driving piece (50), and the control device (53) is connected with the driving piece (50) and the locking piece (52) and is used for controlling the driving piece (50) to drive the connecting piece (51) to move to be connected with or disconnected from the locking piece (52) and controlling the locking piece (52) to lock or unlock the connecting piece (51);
the first section and the second section are respectively provided with an accommodating groove (23), the driving part (50) and at least one part of the connecting part (51) are positioned in the accommodating groove (23) on the first section, and the other end of the connecting part (51) moves into the accommodating groove (23) on the second section under the driving of the driving part (50);
the driving piece (50) is horizontally accommodated in the accommodating groove (23);
one end of the connecting piece (51) is fixedly connected to the output end of the driving piece (50), and the middle section and the other end of the connecting piece (51) are respectively provided with a through hole (510);
the locking piece (52) comprises a base (520) fixed on one side of the containing groove (23), a driving device (521) is fixedly mounted on the base (520), a positioning pin (522) is connected to the output end of the driving device (521), and the positioning pin (522) correspondingly enters or exits the through hole (510) under the driving of the driving device (521) to lock or unlock the connecting piece (51).
2. The bridge working platform vehicle for avoiding the stay cable according to claim 1,
the first section is also provided with a locking piece (52), the connecting piece (51) moves to a position corresponding to the locking piece (52) on the first section in the middle section under the driving of the driving piece (50), and the locking piece (52) on the first section is also connected with the control device (53).
3. The bridge working platform vehicle for avoiding the stay cable according to claim 1,
the base (520) is fixed above the containing groove (23), and piston holes (523) communicated with the containing groove (23) are formed in the base (520) on two sides of the driving device (521);
the output end of the driving device (521) is connected with a fixing plate (524) which is horizontally arranged, two ends of the fixing plate (524) are respectively connected with a positioning pin (522), the positioning pins (522) extend downwards and penetrate through the piston holes (523) downwards under the driving of the driving device (521) to enter the through holes (510) so as to lock the connecting piece (51), or penetrate out of the through holes (510) and the piston holes (523) upwards so as to unlock the connecting piece (51).
4. The bridge working platform vehicle for avoiding the stay cable according to claim 3,
the driving piece (50) is an oil cylinder;
the driving device (521) is a cylinder;
the connecting piece (51) is a metal plate.
5. The bridge working platform vehicle for avoiding the stay cable according to claim 1,
the cantilever girder truss mechanism (2) comprises two first cantilever beam members (21) which are arranged oppositely and two second cantilever beam members (22) which are arranged between the two first cantilever beam members (21) oppositely, and each first cantilever beam member (21) and each second cantilever beam member (22) respectively comprise a first section and a second section which are connected through an avoiding mechanism (5).
6. The bridge working platform vehicle for avoiding the stay cable according to claim 5,
the bridge operation platform vehicle further comprises a traveling crane mechanism (6), wherein the traveling crane mechanism (6) comprises a mounting bracket (60), a hoisting part (61) arranged on the mounting bracket (60) and rollers (62) positioned on two sides of the mounting bracket (60);
and guide rails (7) for correspondingly supporting the rollers (62) are respectively arranged on the two second cantilever beam members (22).
7. The bridge working platform vehicle for avoiding the stay cable according to claim 6,
each guide rail (7) comprises a first rail (71) arranged on a first section, a second rail (72) arranged on a second section, and a connecting rail (70) used for connecting the first rail (71) and the second rail (72) is rotatably connected on the first section or the second section;
the connecting track (70) is connected with a driving mechanism, and the driving mechanism is used for driving the connecting track (70) to rotate to open so as to avoid the stay cable (10) or driving the connecting track (70) to rotate to close so as to connect the first track (71) and the second track (72).
8. The bridge working platform vehicle for avoiding the stay cable according to claim 7,
the first section and the second section of the second cantilever beam component (22) are respectively provided with an accommodating groove (23), and the accommodating groove (23) is provided with two opposite side walls (230);
the guide rail (7) is arranged on the side walls (230) of the two second cantilever beam components (22) which are opposite to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726587.2A CN109024264B (en) | 2018-07-04 | 2018-07-04 | Bridge operation platform vehicle for avoiding stay cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726587.2A CN109024264B (en) | 2018-07-04 | 2018-07-04 | Bridge operation platform vehicle for avoiding stay cable |
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| Publication Number | Publication Date |
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| CN109024264A CN109024264A (en) | 2018-12-18 |
| CN109024264B true CN109024264B (en) | 2020-06-19 |
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| CN201810726587.2A Expired - Fee Related CN109024264B (en) | 2018-07-04 | 2018-07-04 | Bridge operation platform vehicle for avoiding stay cable |
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| CN200946245Y (en) * | 2006-03-08 | 2007-09-12 | 上海市基础工程公司 | Deck plank crane chassis for avoiding single cable plane stayed cable |
| KR20120074466A (en) * | 2010-12-28 | 2012-07-06 | 이연철 | Moving inspection vehicle for an arch type bridge structure |
| CN204738226U (en) * | 2015-05-18 | 2015-11-04 | 武汉二航路桥特种工程有限责任公司 | Arched bridge main arch bottom plate rail formula tool car |
| CN206070370U (en) * | 2016-05-10 | 2017-04-05 | 铁道第三勘察设计院集团有限公司 | A kind of bridge maintenance equipment of automatically walk |
| CN106638299A (en) * | 2017-01-18 | 2017-05-10 | 湖南瑞涪科技实业有限公司 | Multifunctional operation platform and construction method |
| CN108086168A (en) * | 2018-02-01 | 2018-05-29 | 中交路桥建设有限公司 | Ride cable-styled erection crane |
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| CN109024264A (en) | 2018-12-18 |
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