CN114592433B - Segmental beam dragging and sliding device and pier-passing beam storage method - Google Patents
Segmental beam dragging and sliding device and pier-passing beam storage method Download PDFInfo
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- CN114592433B CN114592433B CN202210223629.7A CN202210223629A CN114592433B CN 114592433 B CN114592433 B CN 114592433B CN 202210223629 A CN202210223629 A CN 202210223629A CN 114592433 B CN114592433 B CN 114592433B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 68
- 230000032258 transport Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
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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
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
-
- 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
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The application discloses a section girder drag sliding device and a method for passing pier to store girders relates to the technical field of section girder transportation, and the section girder drag sliding device comprises girder transporting vehicles positioned at the front side and the rear side of a bridge approach pier, a transition plate arranged at the top end of the bridge approach pier and a traction component used for dragging the section girders, wherein the girder transporting vehicles positioned at the front side of the bridge approach pier are front girder transporting vehicles, the girder transporting vehicles positioned at the rear side of the bridge approach pier are rear girder transporting vehicles, the girder transporting vehicles comprise a vehicle body and a transportation disc positioned above the vehicle body, a lifting component is arranged on the vehicle body, and the lifting component is used for driving the whole transportation disc to lift or enabling the front side of the transportation disc to be lifted, and the heights of the top ends of the front girder transporting vehicles, the transition plate and the rear girder transporting vehicles are sequentially reduced. The device has the advantages of simple structure, low manufacturing cost and contribution to reducing construction cost.
Description
Technical Field
The invention relates to the technical field of segmental beam transportation, in particular to a segmental beam dragging and sliding device and a pier passing and beam storing method.
Background
In the construction process of the large-scale concrete inclined cable bridge, the section beams are hoisted and conveyed to temporary storage positions section by section, and after moving in place, the section beams are placed on temporary supports.
As shown in fig. 1, the temporary support 1 comprises a support foundation 11 and a pile top bailey beam 13, the support foundation 11 adopts a steel pipe pile, the inner side of the pile top of the steel pipe pile is provided with a longitudinal double-spliced I-shaped steel 12 with a through length, the bailey beam 13 is arranged at the outer side of the top end of the steel pipe pile, the top end of the bailey beam 13 is higher than the top end of the I-shaped steel 12, the I-shaped steel 12 at the inner side is used as a girder transporting track of a girder transporting tank wheel storing and transporting section girder, and the bailey beam 13 at the outer side is used for storing the section girder and a bearing girder which is finally installed; in actual construction, the beret beam 13 generally includes a beam body and a plurality of support blocks disposed at the top end of the beam body.
Because of the position of the beam Duan Cunfang and the reserved prestress high-strength screw steel bars, part of the segments need to be temporarily stored on the support at the side span approach bridge, but the pier top of the pier corresponding to the support at the side span approach bridge is not provided with a groove, the pier is the approach bridge pier 2, and a girder transporting vehicle cannot pass through the approach bridge pier 2 to directly transport the segment beams from the front side of the approach bridge pier 2 to the storage position at the rear side of the approach bridge pier 2; the related art carries out the placement of segmental beam through the mode of hoist and mount, needs the special large-scale loop wheel machine of peripheral hardware to realize the operation, is difficult to control construction cost.
Disclosure of Invention
In order to reduce construction cost, the application provides a segmental beam dragging and sliding device and a method for storing a girder through a pier.
The application provides a segmental beam dragging and sliding device and a method for passing a pier storage beam, which adopt the following technical scheme:
the utility model provides a section roof beam pulls slider, includes the fortune roof beam car that is located the bridge pier front and back both sides, installs in the transition board on bridge pier top and is used for pulling the pulling subassembly of section roof beam, is located bridge pier front side be preceding fortune roof beam car, be located bridge pier rear side be back fortune roof beam car, fortune roof beam car includes the automobile body and is located the transport dish of automobile body top, be provided with the lifting subassembly on the automobile body, the lifting subassembly is used for driving transport dish integral lift or makes transport dish front side raise, the top height of preceding fortune roof beam car, transition board and back fortune roof beam car reduces in proper order.
By adopting the technical scheme, when the section beam is moved from the conveying disc of the front beam transporting vehicle to the conveying disc of the rear beam transporting vehicle through the transition plate, and the section Liang Congqian beam transporting vehicle is moved to the transition plate, the front side of the conveying disc of the front beam transporting vehicle is lifted through the lifting assembly and the section beam is pulled in a matched mode through the pulling assembly, the rear bottom end of the section beam is firstly abutted to the transition plate and then continuously moved until the section beam is completely placed on the transition plate, and when the rear bottom end of the section beam is abutted to the transition plate and continuously moved, the front beam transporting vehicle is simultaneously moved to one side far away from the bridge approach pier; the section beam is moved from the transition plate to the rear transport Liang Cheshi, the section beam is pulled by the pulling component, the rear side of the section beam is inclined, the bottom end of the rear side of the section beam is abutted against the transport disc of the rear transport beam car until the section beam is completely placed on the transport disc of the rear transport beam car; finally, the segment beam is transferred, and compared with the hoisting mode in the related technology, the traction sliding device for the segment beam has the advantages of simple structure, low manufacturing cost and contribution to reducing the construction cost; the section beam is inclined and pulled, and the gravity and the pulling force are matched with each other, so that the movement of the section beam is facilitated; the heights of the conveying disc of the front beam transporting vehicle, the transition plate and the conveying disc of the rear beam transporting vehicle are sequentially reduced, so that the time consumed by aligning the conveying disc with the transition disc is saved, the construction efficiency is improved, and a good reference effect is provided for subsequent similar construction.
Preferably, the upper surface of the transition plate is provided with a first air bag part for receiving the section beam, and the upper surface of the conveying disc of the rear girder transporting vehicle is provided with a second air bag part for receiving the section beam.
Through adopting above-mentioned technical scheme, before the rear side bottom and the transition board butt of festival section roof beam, the butt is in inflatable first gasbag portion earlier, has avoided the direct collision between festival section roof beam and the transition board, plays the cushioning effect, carries out slow gassing to first gasbag portion when continuing to pull the festival section roof beam, makes the festival section roof beam slowly place on the transition board, and when the festival section roof beam was moved to the transport dish of back fortune roof beam car by the transition board, the second gasbag portion played the cushioning effect to the festival section roof beam.
Preferably, the upper surface of the transition plate is provided with a containing groove, the first air bag part is partially contained in the containing groove, the first air bag part is higher than the upper surface of the transition plate in an inflated state, and the first air bag part is lower than the upper surface of the transition plate in a deflated state.
By adopting the technical scheme, the connection between the first air bag part and the transition plate is realized.
Preferably, the lifting assembly comprises a front linear driving group and a rear linear driving group which are distributed along the front-rear direction of the vehicle body, the front linear driving group and the rear linear driving group are vertically arranged, the output end of the rear linear driving group is hinged to a conveying disc of the front girder transporting vehicle, and the output end of the front linear driving group is in sliding fit with the conveying disc.
By adopting the technical scheme, when the conveying disc is required to incline, the front linear driving group is started, the output end of the front linear driving group vertically moves upwards, the output end of the front linear driving group moves relative to the conveying disc, and the conveying disc rotates relative to the output end of the rear linear driving group, so that the driving of the conveying disc is realized.
Preferably, the output end of the front linear driving group is provided with a pulley, the conveying disc is fixedly provided with a sliding rail, and the pulley is in sliding fit with the sliding rail.
By adopting the technical scheme, the friction force between the front linear driving group and the conveying disc is reduced by the cooperation of the pulleys and the sliding rail.
Preferably, the traction assembly comprises a winch fixedly arranged on the temporary support, and a traction wire of the winch is connected with the section beam.
By adopting the technical scheme, the traction of the section beam is realized, and the action mode is simple.
Preferably, limit trusses are respectively fixed on the front side and the rear side of the transition plate, the limit trusses are abutted to the side walls of the bridge approach piers, a limit underframe is arranged between the two limit trusses, and the limit underframe is used for limiting the vertical movement of the transition plate.
Through adopting above-mentioned technical scheme, two spacing trusses have restricted the transition board and have moved forward and backward for the approach bridge pier, and spacing chassis has restricted the transition board and have moved vertically for the approach bridge pier.
A method for passing a pier storage beam based on a segmental beam dragging and sliding device, which is characterized by comprising the following steps:
s1, a front girder transporting vehicle conveys a section girder towards a bridge approach pier, the front girder transporting vehicle stops moving when approaching the bridge approach pier, the front side of a conveying disc of the front girder transporting vehicle is driven to be lifted through a lifting assembly, the section girder is pulled in a matched mode through a pulling assembly, the bottom end of the rear side of the section girder is abutted to a transition plate, the action of the lifting assembly is stopped, and the front girder transporting vehicle moves away from the bridge approach pier until the section girder is completely placed on the transition plate;
s2, continuously pulling the section beam to enable the rear side of the section beam to incline and the bottom end of the rear side of the section beam to be abutted against the conveying disc of the rear beam transporting vehicle until the section beam is completely placed on the conveying disc of the rear beam transporting vehicle;
s3, the rear girder transporting vehicle drives the section girders to move to a preset placing position, and the lifting assembly controls the whole conveying disc to descend so as to place the section girders on the temporary support.
By adopting the technical scheme, the span and the transfer of the segment beam on the approach bridge pier can be realized without external special large-scale equipment, the construction mode is simple, the construction sequence is reasonable, and the construction cost can be effectively controlled.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the transferring device for the segmental beams has the advantages of simple structure and low manufacturing cost, and is beneficial to reducing the construction cost;
2. the section beam is inclined and pulled, and the gravity and the pulling force are matched with each other, so that the movement of the section beam is facilitated;
3. the heights of the conveying disc of the front beam transporting vehicle, the transition plate and the conveying disc of the rear beam transporting vehicle are sequentially reduced, so that the time consumed by aligning the conveying disc with the transition disc is saved, the construction efficiency is improved, and a good reference effect is provided for subsequent similar construction.
Drawings
Fig. 1 is a schematic view showing a temporary support and an approach pier structure in the background art.
FIG. 2 is a schematic diagram showing the overall structure of a segmented beam tractor skid in an embodiment.
FIG. 3 is a schematic side view showing a segmented beam tractor skid in an embodiment.
Fig. 4 is a schematic view showing the structure of the girder carrier.
Fig. 5 is a schematic view showing a transition plate, a first airbag section, and a connection structure between the transition plate and an approach pier.
Fig. 6 is a schematic view showing a state in which the segment beam is obliquely lowered onto the transition plate at the first air bag portion.
Fig. 7 is an enlarged partial schematic view of the portion a in fig. 6.
Reference numerals illustrate:
1. temporarily supporting; 11. a support base; 12. i-steel; 13. bailey beam; 2. bridge approach piers; 3. a front beam transporting vehicle; 4. a rear beam transporting vehicle; 51. a vehicle body; 511. a frame; 512. a walking wheel; 52. a lifting assembly; 521. a front driving cylinder; 5211. a pulley; 522. a rear drive cylinder; 53. a carrying tray; 531. a slide rail; 6. a transition plate; 61. a receiving groove; 62. limiting truss; 63. a limiting underframe; 71. a first balloon portion; 72. a second air bag section; 8. and a winding machine.
Detailed Description
The present application is described in further detail below in conjunction with figures 2-7.
The embodiment of the application discloses a segmental beam dragging and sliding device.
Referring to fig. 2 and 3, the bridge girder transporting device comprises a girder transporting vehicle, a transition plate 6 and a pulling assembly, wherein the girder transporting vehicle is positioned on two girder transporting tracks which are in sliding fit with the temporary support 1, the transition plate 6 is arranged at the top end of the approach bridge pier 2, and the pulling assembly is used for pulling the segment girders to move backwards; wherein, the fortune roof beam car that is located bridge pier 2 front side is preceding fortune roof beam car 3, and the fortune roof beam car that is located bridge pier 2 rear side is back fortune roof beam car 4, and the top height of preceding fortune roof beam car 3, transition board 6 and back fortune roof beam car 4 reduces in proper order, and during initial state, the top height of the equal high Yu Beilei roof beam 13 of top height of preceding fortune roof beam car 3, transition board 6 and back fortune roof beam car 4 to avoid the section Liang Yiyun in-process to take place the friction with bailey roof beam 13.
Referring to fig. 4, the girder transporting vehicle includes a vehicle body 51, a lifting assembly 52 and a transporting tray 53 arranged in this order from bottom to top, and the transporting tray 53 is used for carrying a segmental girder to be transported.
The car body 51 comprises a car frame 511 and travelling wheels 512 arranged at the bottom end of the car frame 511, wherein the travelling wheels 512 are used for being matched with a beam transporting rail formed by the I-steel 12, so that the beam transporting car can slide along the beam transporting rail.
The lifting assembly 52 includes a front linear drive group located on the front side of the vehicle body 51 and a rear linear drive group located on the rear side of the vehicle body 51, the front linear drive group including a plurality of front drive cylinders 521 arranged at intervals, the rear linear drive group including a plurality of rear drive cylinders 522 arranged, the front drive cylinders 521 and the rear drive cylinders 522 being vertically arranged, and in this embodiment, the front drive cylinders 521 and the rear drive cylinders 522 are both hydraulic cylinders. The top of the output end of the rear driving cylinder 522 is hinged to the lower surface of the conveying disc 53, a pulley 5211 is arranged at the top of the output end of the front driving cylinder 521, a sliding rail 531 corresponding to the pulley 5211 is fixed on the lower surface of the conveying disc 53, the pulley 5211 is in sliding fit in the sliding rail 531, and friction force between the output end of the front driving cylinder 521 and the conveying disc 53 is reduced.
In connection with fig. 2 and 5, in order to avoid collision with the transition plate 6 or the carrying tray 53 of the rear girder carrier 4 during the segments Liang Yiyun, the upper surface of the transition plate 6 is provided with a first air bag portion 71 and the upper surface of the carrying tray 53 of the rear girder carrier 4 is provided with a second air bag portion 72.
Taking the first air bag portion 71 as an example, the upper surface of the transition plate 6 is provided with a containing groove 61, and the first air bag portion 71 is embedded in the containing groove 61 and fixed with the containing groove 61. The upper surface of the first balloon portion 71 is higher than the upper surface of the transition plate 6 when the first balloon portion 71 is in the inflated state, and the upper surface of the first balloon portion 71 is lower than the upper surface of the transition plate 6 when the first balloon portion 71 is in the deflated state.
The second air bag portion 72 has the same structure and operation principle as the first air bag portion 71, and will not be described here.
With reference to fig. 3, 6 and 7, the segment beam is abutted against the first air bag portion 71 in an inflated state before being abutted against the transition plate 6 under the action of the inclined conveying disc 53, so that a buffering effect is achieved on the segment beam, loss caused by direct collision between the large-tonnage segment beam and the transition plate 6 is avoided, and after the segment beam contacts with the first air bag portion 71, the first air bag portion 71 is deflated slowly, so that the segment beam is placed on the transition plate 6 slowly.
When the segment beam is moved from the conveying disc 53 of the front beam transporting vehicle 3 to the transition plate 6, in order to facilitate the pulling assembly to pull the segment beam, the output end of the front linear driving set needs to be controlled to rise, so that the front end of the conveying disc 53 is lifted, in this embodiment, the maximum inclination angle of the conveying disc 53 is 10 degrees, the segment beam is inclined under the action of the conveying disc 53, the bottom end of the rear side of the segment beam is abutted to the first air bag portion 71, the segment beam is finally abutted to the transition plate 6 by deflating the first air bag portion 71, the pulling assembly continues to pull the segment Liang Zhizhi segment beam to be completely placed on the transition plate 6, and the front beam transporting vehicle 3 simultaneously moves to the side far away from the bridge approach pier 2, so that the segment beam is moved to the transition plate 6 from the front beam transporting vehicle 3.
Referring back to fig. 2, the pulling assembly includes two windlass 8 fixed on the temporary support 1, the two windlass 8 are respectively located at two sides of the temporary support 1, the pulling wire of the windlass 8 is connected to the rear side of the section beam, and the pulling of the section beam is realized by controlling the windlass 8.
Referring to fig. 5, in the concrete connection structure between the transition plate 6 and the approach bridge pier 2, two sides of the approach bridge pier 2 are respectively provided with a spacing truss 62 contacting with the two sides, the top ends of the spacing trusses 62 are fixed on the lower surface of the transition plate 6, the two spacing trusses 62 limit the forward and backward movement of the transition plate 6 relative to the approach bridge pier 2, a spacing underframe 63 is fixed between the two spacing trusses 62, the spacing underframe 63 is abutted to the lower surface of the cross brace of the approach bridge pier 2, and the vertical movement of the transition plate 6 is limited.
A method for passing pier storage beam based on a segmental beam dragging and sliding device comprises the following steps:
s1, in the initial position, the heights of the top ends of the conveying disc 53 of the front girder transporting vehicle 3, the transition plate 6 and the conveying disc 53 of the rear girder transporting vehicle 4 are sequentially reduced, and the heights of the top ends of the Yu Beilei girders 13 are all high, so that friction with the bailey girders 13 in the process of the sections Liang Yiyun is avoided;
s2, a front girder transporting vehicle 3 transports the segment girders along a girder transporting track towards the bridge approach pier 2, the front girder transporting vehicle 3 stops moving when approaching the bridge approach pier 2, a front linear driving group in a lifting assembly 52 is started, the front side of a transporting disc 53 of the front girder transporting vehicle 3 is driven to lift, the segment girders are pulled by matching with a winch 8, the rear bottom ends of the segment girders are abutted against a first air bag part 71 in an inflated state, the first air bag part 71 is deflated slowly, the rear bottom ends of the segment girders are slowly lowered to be abutted against the upper surface of a transition plate 6, the action of the lifting assembly 52 is stopped, the segment girders are pulled continuously by the winch 8, and meanwhile, the front girder transporting vehicle 3 moves away from the bridge approach pier 2 until the segment girders are completely placed on the transition plate 6;
s3, continuously pulling the section beam, enabling the rear side of the section beam to incline and enabling the bottom end of the rear side of the section beam to be abutted against the second air bag part 72 in an inflated state, slowly deflating the second air bag part 72, enabling the bottom end of the rear side of the section beam to slowly descend to be abutted against the upper surface of the conveying disc 53 of the rear girder transporting vehicle 4, and continuously pulling the section beam through the winch 8 until the section beam is completely placed on the conveying disc 53 of the rear girder transporting vehicle 4;
s4, the rear girder transporting vehicle 4 drives the section girders to move to a preset placing position, the output ends of the front linear driving group and the rear linear driving group in the rear girder transporting vehicle 4 are controlled to retract, and the section girders are placed on the temporary support 1.
According to the technical scheme, the span and the transfer of the segment beam on the approach bridge pier 2 can be realized without the need of externally-arranged special large-scale equipment, the construction mode is simple, the construction sequence is reasonable, and the construction cost can be effectively controlled; in addition, the movement of the section beam is realized through the mutual coordination of gravity and tension, which is beneficial to the movement of the section beam; the heights of the conveying disc 53 of the front girder transporting vehicle 3, the transition plate 6 and the conveying disc 53 of the rear girder transporting vehicle 4 are sequentially reduced, so that the time consumed for aligning the conveying disc with the transition disc is effectively saved, and the construction efficiency is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. A segmental beam tractor skid, characterized in that: the bridge girder transporting device comprises girder transporting vehicles positioned on the front side and the rear side of an approach bridge pier (2), a transition plate (6) arranged at the top end of the approach bridge pier (2) and a traction assembly used for traction of a segmental girder, wherein the front girder transporting vehicle (3) is positioned on the front side of the approach bridge pier (2), the rear girder transporting vehicle (4) is positioned on the rear side of the approach bridge pier (2), the girder transporting vehicle comprises a vehicle body (51) and a transporting disc (53) positioned above the vehicle body (51), a lifting assembly (52) is arranged on the vehicle body (51), the lifting assembly (52) is used for driving the transporting disc (53) to integrally lift or enabling the front side of the transporting disc (53) to be lifted, and the heights of the top ends of the front girder transporting vehicle (3), the transition plate (6) and the rear girder transporting vehicle (4) are sequentially lowered;
the upper surface of the transition plate (6) is provided with a first air bag part (71) for receiving the section beam, and the upper surface of a conveying disc (53) of the rear girder transporting vehicle (4) is provided with a second air bag part (72) for receiving the section beam;
the upper surface of transition board (6) has seted up holding tank (61), first balloon portion (71) part holds in holding tank (61), be higher than the upper surface of transition board (6) when first balloon portion (71) are inflated state, be lower than the upper surface of transition board (6) when first balloon portion (71) are deflated state.
2. A segmented beam tractor slip as claimed in claim 1, wherein: the lifting assembly (52) comprises a front linear driving group and a rear linear driving group which are distributed along the front-rear direction of the vehicle body (51), the front linear driving group and the rear linear driving group are vertically arranged, the output end of the rear linear driving group is hinged to a conveying disc (53) of the front girder transporting vehicle (3), and the output end of the front linear driving group is in sliding fit with the conveying disc (53).
3. A segmented beam tractor slip as claimed in claim 2, wherein: the output end of the front linear driving group is provided with a pulley (5211), the conveying disc (53) is fixedly provided with a sliding rail (531), and the pulley (5211) is in sliding fit with the sliding rail (531).
4. A segmented beam tractor slip as claimed in claim 1, wherein: the traction assembly comprises a winch (8) fixedly arranged on the temporary support (1), and a traction wire of the winch (8) is connected with the section beam.
5. A segmented beam tractor slip as claimed in claim 1, wherein: limiting trusses (62) are respectively fixedly arranged on the front side and the rear side of the transition plate (6), the limiting trusses (62) are abutted to the side walls of the approach bridge piers (2), limiting underframe (63) are arranged between the two limiting trusses (62), and the limiting underframe (63) is used for limiting the vertical movement of the transition plate (6).
6. A method of pier passing storage beams based on a segmental beam tractor skid as claimed in any one of claims 1 to 5, comprising the steps of:
s1, a front girder transporting vehicle (3) transports a section girder towards an approach bridge pier (2), the front girder transporting vehicle (3) stops moving when approaching the approach bridge pier (2), a lifting assembly (52) drives the front side of a transporting disc (53) of the front girder transporting vehicle (3) to lift and simultaneously pulls the section girder in a matched mode through a traction assembly, the bottom end of the rear side of the section girder is abutted to a transition plate (6), the action of the lifting assembly (52) is stopped, and the front girder transporting vehicle (3) moves away from the approach bridge pier (2) until the section girder is completely placed on the transition plate (6);
s2, continuously pulling the section beam to enable the rear side of the section beam to incline and enable the bottom end of the rear side of the section beam to be abutted against a conveying disc (53) of the rear beam transporting vehicle (4) until the section beam is completely placed on the conveying disc (53) of the rear beam transporting vehicle (4);
s3, the rear girder transporting vehicle (4) drives the section girders to move to a preset placing position, the lifting assembly (52) controls the whole transporting disc (53) to descend, and the section girders are placed on the temporary support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210223629.7A CN114592433B (en) | 2022-03-07 | 2022-03-07 | Segmental beam dragging and sliding device and pier-passing beam storage method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210223629.7A CN114592433B (en) | 2022-03-07 | 2022-03-07 | Segmental beam dragging and sliding device and pier-passing beam storage method |
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| CN114592433A CN114592433A (en) | 2022-06-07 |
| CN114592433B true CN114592433B (en) | 2024-03-08 |
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