CN115123936B - Single-arm bridge girder erection machine and application method thereof - Google Patents
Single-arm bridge girder erection machine and application method thereof Download PDFInfo
- Publication number
- CN115123936B CN115123936B CN202210711761.2A CN202210711761A CN115123936B CN 115123936 B CN115123936 B CN 115123936B CN 202210711761 A CN202210711761 A CN 202210711761A CN 115123936 B CN115123936 B CN 115123936B
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- frame
- girder
- bridge
- supporting
- adjusting
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000670 limiting effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/46—Mobile jib-cranes with non-slewable jibs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
- B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions
- B66C23/828—Bracing equipment acting at an inclined angle to vertical and horizontal directions where the angle is adjustable
-
- 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
-
- 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
Abstract
The invention discloses a single-arm bridge girder erection machine and a use method thereof, wherein the single-arm bridge girder erection machine comprises a base with travelling wheels at the bottom, a vertical bracket is arranged at one side of the base, a main girder is arranged at the top of the bracket, the front end of the main girder extends forwards, and a hanging bracket moving along the main girder is arranged on the main girder; the hanger comprises a chassis moving along a main beam, a vertical upward supporting frame is arranged on the chassis, an adjusting frame which is turned up and down and is arranged at the end part of the supporting frame towards the other side of the base is hinged to the supporting frame, a plurality of adjusting hydraulic rods are arranged between the adjusting frame and the supporting frame, a plurality of rope lifting mechanisms are arranged on the adjusting frame, and the adjusting frame is connected with a bridge lifting appliance through the rope lifting mechanisms. According to the invention, the hydraulic rod is subjected to expansion control according to the on-site environment of the bridge, so that the inclination angle of the adjusting frame is adjusted, and the interference effect of the end part of the adjusting frame and the bridge and other buildings in the external existing environment is eliminated.
Description
Technical Field
The invention relates to the technical field of bridge girder erection machines, in particular to a single-arm bridge girder erection machine and a using method thereof.
Background
With the continuous development of society, the living standard of people is continuously improved. More and more roads and bridges are being built. The bridge girder erection machine is important equipment in road and bridge construction, and is especially indispensable in urban overpasses, expressway overpasses, high-speed rails, urban iron bridges and the like; however, when the existing bridge girder erection machine encounters a small operation space during bridge girder erection, for example, when a new bridge is paved in an existing bridge girder system, the existing bridge girder system which is adjacent to the outside is easy to collide and interfere, and inconvenience is brought to paving work. Therefore, the single-arm bridge girder erection machine and the use method thereof are provided. Therefore, the single-arm bridge girder erection machine is improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a single-arm bridge girder erection machine, which comprises a base with travelling wheels at the bottom, wherein a vertical bracket is arranged at one side of the base, a main girder is arranged at the top of the bracket, the front end of the main girder extends forwards, and a hanging bracket moving along the main girder is arranged on the main girder; the hanger comprises a chassis moving along a main beam, a vertical upward supporting frame is arranged on the chassis, an adjusting frame which is turned up and down and is arranged at the end part of the supporting frame towards the other side of the base is hinged to the supporting frame, a plurality of adjusting hydraulic rods are arranged between the adjusting frame and the supporting frame, a plurality of rope lifting mechanisms are arranged on the adjusting frame, and the adjusting frame is connected with a bridge lifting appliance through the rope lifting mechanisms.
As a preferable technical scheme of the invention, a moving mechanism is arranged between the underframe and the main beam, the main beam is flat, the section of the underframe is also flat, the moving mechanism comprises a pair of limit guide rails arranged on the upper surface of the top of the main beam, the underframe is provided with limit sliding blocks moving along the limit guide rails, the main beam is also provided with moving rails parallel to the limit guide rails, two sides of each moving rail are provided with inwards concave grooves, straight racks are arranged in the grooves, the underframe is provided with a traveling gear meshed with the straight racks, and the traveling gear is driven by a driving motor.
As a preferable technical scheme of the invention, an adjusting mechanism is arranged between the main beam and the lifting appliance, the adjusting mechanism comprises a propelling cylinder which is arranged on the main beam and is transversely arranged, a vertical upward linear guide rail is arranged on one side of the bridge lifting appliance, which is close to the main beam, a sliding block which moves along the linear guide rail is arranged on the linear guide rail, and the telescopic end of the propelling cylinder is fixed with the sliding block.
As a preferable technical scheme of the invention, the front end of the girder is provided with telescopic supporting legs moving along the girder, and the telescopic supporting legs are used for supporting the tops of the piers.
As a preferable technical scheme of the invention, the telescopic supporting leg comprises a walking rail arranged at the bottom of the main beam, a walking seat moving along the walking rail is arranged on the walking rail, a base block is arranged on the walking seat, a telescopic cavity horizontally arranged transversely is arranged on the base block, a moving frame moving along the telescopic cavity is arranged in the telescopic cavity, a downward supporting hydraulic cylinder is arranged on the moving frame, and a supporting seat supporting the top of the pier is arranged at the telescopic end of the supporting hydraulic cylinder.
As a preferable technical scheme of the invention, a reinforcing frame is arranged between the supporting frame and the underframe, an arched reinforcing rod is arranged at the upper end part of the supporting frame, and a plurality of reinforcing rib plates are arranged between the main beam and the supporting frame.
As a preferable technical scheme of the invention, the bracket is fixed on the base through bolts.
The method for using the single-arm bridge girder erection machine comprises the steps of carrying out telescopic control on an adjusting hydraulic rod according to the field environment of girder erection, adjusting the inclination angle of an adjusting frame, eliminating the interference effect of the end part of the adjusting frame and a bridge and other buildings in the external existing environment, moving along a main girder by controlling telescopic supporting legs, enabling the telescopic supporting legs to be used for supporting the top of a pier, driving a chassis to move forwards through a moving mechanism, driving the adjusting frame to move forwards, simultaneously conveying a bridge body lifting appliance through a rope lifting mechanism and the adjusting frame to a determined position, and carrying out moving adjustment on the left horizontal position and the right horizontal position of the bridge body lifting appliance through telescopic control of a pushing cylinder.
The beneficial effects of the invention are as follows:
this kind of single armed bridge crane carries out flexible control through the scene environment to the bridge to the regulation hydraulic stem, adjust the inclination to the alignment jig, eliminate the interference effect of building such as bridge in the tip of alignment jig and the external existing environment, and remove along the girder through control flexible supporting leg, make this flexible supporting leg be used for supporting with the top of pier, then drive the chassis through moving mechanism and remove forward, and then drive the alignment jig and remove forward, the while will send into the definite position through the bridge body hoist of rope hoist and alignment jig, then and carry out the removal regulation to the horizontal position about the bridge body hoist through the flexible control of propulsion cylinder.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic structural view of a single-arm bridge girder erection machine according to the present invention;
FIG. 2 is a schematic installation view of a telescopic support leg of a single-arm bridge girder erection machine according to the present invention;
FIG. 3 is a schematic structural view of a moving mechanism of a single-arm bridge girder erection machine according to the present invention;
fig. 4 is a schematic structural view of a telescopic supporting leg of a single-arm bridge girder erection machine according to the present invention.
In the figure: 1. a walking wheel; 2. a base; 3. a bracket; 4. a main beam; 5. a hanging bracket; 6. a chassis; 7. a support frame; 8. an adjusting frame; 9. adjusting a hydraulic rod; 10. a rope hoisting mechanism; 11. a bridge body lifting appliance; 12. a moving mechanism; 13. a spacing guide rail; 14. a limit sliding block; 15. a moving track; 16. a groove; 17. a straight rack; 18. a traveling gear; 19. an adjusting mechanism; 20. a propulsion cylinder; 21. a linear guide rail; 22. a sliding block; 23. a telescoping support leg; 24. a walking rail; 25. a walking seat; 26. a base block; 28. a moving rack; 29. supporting a hydraulic cylinder; 30. a support base; 31. a reinforcing frame; 32. a reinforcing rod; 33. reinforcing rib plates.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1, 2, 3 and 4, the single-arm bridge girder erection machine comprises a base 2 with travelling wheels 1 at the bottom, wherein a vertical bracket 3 is arranged on one side of the base 2, a main girder 4 is arranged at the top of the bracket 3, the front end of the main girder 4 extends forwards, and a hanging bracket 5 moving along the main girder 4 is arranged on the main girder 4; the hanger 5 comprises a bottom frame 6 moving along the main beam 4, a vertical upward supporting frame 7 is arranged on the bottom frame 6, an adjusting frame 8 which is turned up and down and is arranged at the end part of the supporting frame 7 towards the other side of the base 2 is hinged on the supporting frame 7, a plurality of adjusting hydraulic rods 9 are arranged between the adjusting frame 8 and the supporting frame 7, a plurality of rope lifting mechanisms 10 are arranged on the adjusting frame 8, and the adjusting frame 8 is connected with a bridge lifting appliance 11 through the rope lifting mechanisms 10. According to the on-site environment of the bridge, the hydraulic rod 9 is subjected to telescopic control to adjust the inclination angle of the adjusting frame 8, interference action between the end part of the adjusting frame 8 and a bridge and other buildings in the external existing environment is eliminated, the underframe 6 moves forwards, the adjusting frame 8 is driven to move forwards, and meanwhile, the adjusting frame 8 and the bridge body lifting appliance 11 of the adjusting frame 8 are conveyed to a determined position through the rope lifting mechanism 10.
The novel lifting device is characterized in that a moving mechanism 12 is arranged between the underframe 6 and the main beam 4, the main beam 4 is flat, the cross section of the underframe 6 is also flat, the moving mechanism 12 comprises a pair of limiting guide rails 13 arranged on the upper surface of the top of the main beam 4, limiting slide blocks 14 moving along the limiting guide rails 13 are arranged on the underframe 6, moving rails 15 parallel to the limiting guide rails 13 are further arranged on the main beam 4, grooves 16 recessed inwards are formed in two sides of the moving rails 15, straight racks 17 are arranged in the grooves 16, a running gear 18 meshed with the straight racks 17 is arranged on the underframe 6, and the running gear 18 is driven by a driving motor. The running gear is meshed with the supporting strip, so that the underframe moves forwards along the main beam under the limiting action of the limiting guide rail and the limiting sliding block,
an adjusting mechanism 19 is arranged between the main beam and the lifting appliance 11, the adjusting mechanism 19 comprises a propelling cylinder 20 which is arranged on the main beam 4 and is transversely arranged, a vertical upward linear guide rail 21 is arranged on one side, close to the main beam 4, of the bridge lifting appliance 11, a sliding block 22 which moves along the linear guide rail 21 is arranged on the linear guide rail 21, and the telescopic end of the propelling cylinder 20 is fixed with the sliding block 22; the left horizontal position and the right horizontal position of the bridge body lifting appliance 11 are moved and adjusted through the telescopic control of the propelling cylinder 20, so that the bridge body is convenient to install.
The front end of the girder 4 is provided with telescopic support legs 23 which move along the girder 4, and the telescopic support legs 23 are used for supporting the tops of the piers.
The telescopic supporting leg 23 is including setting up the walking track 24 in girder 4 bottom, be equipped with the walking seat 25 of following walking track 24 and remove on the walking track 24, be equipped with the foundation block 26 on the walking seat 25, be equipped with the flexible chamber of horizontal level setting on the foundation block 26, just be equipped with along the removal frame 28 of flexible chamber removal in the flexible chamber, be equipped with decurrent support pneumatic cylinder 29 on the removal frame 28, just the flexible end of support pneumatic cylinder 29 is equipped with the supporting seat 30 that supports with the pier top, carries out telescopic movement through control removal frame 28, makes things convenient for telescopic supporting leg 23 to support with current pier to make the difficult slope of taking place of whole device, holistic stability when having increased the installation.
The reinforcing frame 31 is arranged between the supporting frame 7 and the underframe 6, the strength of the joint of the supporting frame 7 and the underframe 6 is increased, the fracture phenomenon is not easy to occur, the arched reinforcing rod 32 is arranged at the upper end part of the supporting frame 7, the strength of the supporting frame 7 is increased, the reinforcing rib plates 33 are arranged between the main beam 4 and the support 3, the strength of the joint of the main beam 4 and the support 3 is increased, and the fracture phenomenon is not easy to occur.
The bracket 3 is fixed on the base 2 through bolts.
The application method of the single-arm bridge girder erection machine is characterized in that the telescopic control is carried out on the adjusting hydraulic rod 9 according to the field environment of a bridge to adjust the inclination angle of the adjusting frame 8, interference action between the end part of the adjusting frame 8 and a bridge and other buildings in the external existing environment is eliminated, the telescopic supporting leg 23 is controlled to move along the main girder 4, the telescopic supporting leg 23 is used for supporting the top of a pier, then the underframe is driven to move forwards through the mechanism of the moving mechanism 12, the adjusting frame 8 is driven to move forwards, meanwhile, the bridge body lifting appliance 11 of the adjusting frame 8 and the rope lifting mechanism 10 are conveyed to a determined position, and then the left horizontal position and the right horizontal position of the bridge body lifting appliance 11 are adjusted through telescopic control of the pushing cylinder 20.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A single-arm bridge girder erection machine is characterized in that: the lifting frame comprises a base (2) with a travelling wheel (1) at the bottom, wherein a vertical support (3) is arranged on one side of the base (2), a main beam (4) is arranged at the top of the support (3), the front end of the main beam (4) extends forwards, and a lifting frame (5) moving along the main beam (4) is arranged on the main beam (4); the lifting frame (5) comprises a bottom frame (6) moving along a main beam (4), a vertical upward supporting frame (7) is arranged on the bottom frame (6), an adjusting frame (8) which is hinged to the supporting frame (7) and is turned up and down, the end of the adjusting frame faces the other side of the base (2), a plurality of adjusting hydraulic rods (9) are arranged between the adjusting frame (8) and the supporting frame (7), a plurality of rope lifting mechanisms (10) are arranged on the adjusting frame (8), and the adjusting frame (8) is connected with a bridge lifting appliance (11) through the rope lifting mechanisms (10).
2. The single-arm bridge girder erection machine according to claim 1, wherein a moving mechanism (12) is arranged between the underframe (6) and the main girder (4), the main girder (4) is flat, the cross section of the underframe (6) is also flat, the moving mechanism (12) comprises a pair of limit guide rails (13) arranged on the top upper surface of the main girder (4), a limit slider (14) moving along the limit guide rails (13) is arranged on the underframe (6), a moving track (15) parallel to the limit guide rails (13) is further arranged on the main girder (4), grooves (16) which are recessed inwards are formed in two sides of the moving track (15), a straight rack (17) is arranged in the grooves (16), a running gear (18) meshed with the straight rack (17) is arranged on the underframe (6), and the running gear (18) is driven by a driving motor.
3. The single-arm bridge girder erection machine according to claim 2, wherein an adjusting mechanism (19) is arranged between the girder and the lifting appliance (11), the adjusting mechanism (19) comprises a propelling cylinder (20) which is arranged on the girder (4) and is transversely arranged, the lifting appliance (11) is provided with a vertical and upward linear guide rail (21) on one side close to the girder (4), the linear guide rail (21) is provided with a sliding block (22) which moves along the linear guide rail (21), and the telescopic end of the propelling cylinder (20) is fixed with the sliding block (22).
4. A single-arm bridge girder erection machine according to claim 3, wherein the front end of the girder (4) is provided with telescopic support legs (23) moving along the girder (4), and the telescopic support legs (23) are used for supporting the top of the bridge pier.
5. The single-arm bridge girder erection machine according to claim 4, wherein the telescopic supporting leg (23) comprises a walking track (24) arranged at the bottom of the main girder (4), a walking seat (25) moving along the walking track (24) is arranged on the walking track (24), a base block (26) is arranged on the walking seat (25), a telescopic cavity horizontally arranged transversely is arranged on the base block (26), a moving frame (28) moving along the telescopic cavity is arranged in the telescopic cavity, a downward supporting hydraulic cylinder (29) is arranged on the moving frame (28), and a supporting seat (30) supporting the top of the pier is arranged at the telescopic end of the supporting hydraulic cylinder (29).
6. The single-arm bridge girder erection machine according to claim 1, wherein a reinforcing frame (31) is arranged between the supporting frame (7) and the underframe (6), an arched reinforcing rod (32) is arranged at the upper end part of the supporting frame (7), and a plurality of reinforcing rib plates (33) are arranged between the main girder (4) and the supporting frame (3).
7. A single-arm bridge girder erection machine according to claim 1, characterized in that the brackets (3) are fastened to the base (2) via bolts.
8. The method according to claim 4, characterized in that the telescopic control is performed on the adjusting hydraulic rod (9) according to the field environment of the bridge, the inclination angle of the adjusting frame (8) is adjusted, interference of the end part of the adjusting frame (8) with the bridge and other buildings in the external existing environment is eliminated, the telescopic supporting leg (23) is controlled to move along the main beam (4) so that the telescopic supporting leg (23) is used for supporting the top of the bridge pier, then the chassis is driven to move forwards through the mechanism of the moving mechanism (12), the adjusting frame (8) is driven to move forwards, meanwhile, the bridge body lifting appliance (11) of the adjusting frame (8) is sent to a determined position through the rope lifting mechanism (10), and then the left and right horizontal positions of the bridge body lifting appliance (11) are adjusted through telescopic control of the pushing cylinder (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711761.2A CN115123936B (en) | 2022-06-22 | 2022-06-22 | Single-arm bridge girder erection machine and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711761.2A CN115123936B (en) | 2022-06-22 | 2022-06-22 | Single-arm bridge girder erection machine and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115123936A CN115123936A (en) | 2022-09-30 |
| CN115123936B true CN115123936B (en) | 2023-12-08 |
Family
ID=83380542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210711761.2A Active CN115123936B (en) | 2022-06-22 | 2022-06-22 | Single-arm bridge girder erection machine and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115123936B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204752004U (en) * | 2015-06-09 | 2015-11-11 | 浙江中建路桥设备有限公司 | Novel become width of cloth formula bridge floor hoist |
| CN110258348A (en) * | 2019-07-16 | 2019-09-20 | 重庆建工集团股份有限公司 | The single width sliding rail of Bridge Erector cooperates the multi-functional middle traversing jib lubbing mechanism of supporting leg walking |
| CN110409311A (en) * | 2019-08-12 | 2019-11-05 | 秦皇岛天业通联重工科技有限公司 | It a kind of single beam girder erecting machine and its sets a roof beam in place, via hole, the method for crossing tunnel |
| CN211312212U (en) * | 2019-09-30 | 2020-08-21 | 合肥正浩机械科技有限公司 | Descending type bridge girder erection machine with single girder |
| CN113585080A (en) * | 2021-07-30 | 2021-11-02 | 中铁十九局集团第五工程有限公司 | Steel box girder lifting and transporting frame system and construction method thereof |
| CN114319145A (en) * | 2021-12-28 | 2022-04-12 | 中交路桥华南工程有限公司 | Bridge erecting method using bridge erecting machine |
-
2022
- 2022-06-22 CN CN202210711761.2A patent/CN115123936B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204752004U (en) * | 2015-06-09 | 2015-11-11 | 浙江中建路桥设备有限公司 | Novel become width of cloth formula bridge floor hoist |
| CN110258348A (en) * | 2019-07-16 | 2019-09-20 | 重庆建工集团股份有限公司 | The single width sliding rail of Bridge Erector cooperates the multi-functional middle traversing jib lubbing mechanism of supporting leg walking |
| CN110409311A (en) * | 2019-08-12 | 2019-11-05 | 秦皇岛天业通联重工科技有限公司 | It a kind of single beam girder erecting machine and its sets a roof beam in place, via hole, the method for crossing tunnel |
| CN211312212U (en) * | 2019-09-30 | 2020-08-21 | 合肥正浩机械科技有限公司 | Descending type bridge girder erection machine with single girder |
| CN113585080A (en) * | 2021-07-30 | 2021-11-02 | 中铁十九局集团第五工程有限公司 | Steel box girder lifting and transporting frame system and construction method thereof |
| CN114319145A (en) * | 2021-12-28 | 2022-04-12 | 中交路桥华南工程有限公司 | Bridge erecting method using bridge erecting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115123936A (en) | 2022-09-30 |
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