CN115123936A - Single-arm-support bridge crane and using method thereof - Google Patents
Single-arm-support bridge crane and using method thereof Download PDFInfo
- Publication number
- CN115123936A CN115123936A CN202210711761.2A CN202210711761A CN115123936A CN 115123936 A CN115123936 A CN 115123936A CN 202210711761 A CN202210711761 A CN 202210711761A CN 115123936 A CN115123936 A CN 115123936A
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- main beam
- support
- frame
- telescopic
- adjusting
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000001174 ascending effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 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
- 239000003351 stiffener Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a single-arm-support bridge crane and a using method thereof, wherein the single-arm-support bridge crane comprises a base with walking wheels at the bottom, a vertical support is arranged on one side of the base, a main beam is arranged at the top of the support, the front end of the main beam extends forwards, and a hanging bracket moving along the main beam is arranged on the main beam; the gallows includes the chassis that removes along the girder, be equipped with vertical ascending support frame on the chassis, articulated on the support frame have about upset and tip towards the alignment jig of the setting of base opposite side, be equipped with a plurality of regulation hydraulic stem between alignment jig and the support frame, just be equipped with a plurality of rope hoist mechanisms on the alignment jig, just the alignment jig is connected with the pontic hoist through rope hoist mechanism. The invention can control the expansion of the adjusting hydraulic rod according to the on-site environment of the bridge, so as to adjust the inclination angle of the adjusting bracket and eliminate the interference between the end part of the adjusting bracket and the buildings such as bridges in the existing external environment.
Description
Technical Field
The invention relates to the technical field of bridge girder erection machines, in particular to a single-boom 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 for road and bridge construction, and is especially essential for urban overpasses, expressway overpasses, high-speed railways, urban railway bridges and the like; however, when the existing bridge erecting machine encounters a small operation space during bridge erecting, for example, when a new bridge is laid in an existing bridge system, the existing bridge erecting machine easily collides and interferes with the existing bridge system adjacent to the outside, which brings inconvenience to the laying work. Therefore, the single-boom bridge crane and the use method thereof are improved. 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 discloses a single-arm-support bridge crane, which comprises a base with walking wheels at the bottom, wherein a vertical support is arranged on one side of the base, a main beam is arranged at the top of the support, the front end of the main beam extends forwards, and a hanging bracket moving along the main beam is arranged on the main beam; the gallows includes the chassis that removes along the girder, be equipped with vertical ascending support frame on the chassis, articulated on the support frame have about upset and the tip towards the alignment jig of the setting of base opposite side, be equipped with a plurality of regulation hydraulic stem between alignment jig and the support frame, just be equipped with a plurality of rope hoist mechanisms on the alignment jig, just the alignment jig is connected with the pontic hoist through rope hoist mechanism.
As a preferred technical scheme of the present invention, a moving mechanism is disposed between the bottom frame and the main beam, the main beam is flat, and the cross section of the bottom frame is also flat, the moving mechanism includes a pair of limit guide rails disposed on the upper surface of the top of the main beam, a limit slider moving along the limit guide rails is disposed on the bottom frame, a moving track disposed in parallel with the limit guide rails is further disposed on the main beam, grooves recessed inward are disposed on both sides of the moving track, a spur rack is disposed in the grooves, a traveling gear engaged with the spur rack is disposed on the bottom frame, and the traveling gear is driven by a driving motor.
As a preferred technical scheme of the present invention, an adjusting mechanism is disposed between the main beam and the lifting appliance, the adjusting mechanism includes a propulsion cylinder disposed on the main beam and disposed transversely, a straight-line guide rail disposed on one side of the bridge lifting appliance near the main beam is disposed vertically upward, a sliding block moving along the straight-line guide rail is disposed on the straight-line guide rail, and a telescopic end of the propulsion cylinder is fixed to the sliding block.
As a preferable technical scheme of the invention, the front end of the main beam is provided with a telescopic support leg moving along the main beam, and the telescopic support leg is used for supporting the top of a pier.
As a preferred technical scheme of the invention, the telescopic supporting leg comprises a walking track arranged at the bottom of the main beam, a walking seat moving along the walking track is arranged on the walking track, a base block is arranged on the walking seat, a telescopic cavity transversely and horizontally arranged 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 preferred 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 support.
As a preferable technical solution of the present invention, the bracket is fixed to the base by a bolt.
The use method of the single-arm-support bridge crane is characterized in that expansion control is performed on an adjusting hydraulic rod according to the site environment of a bridge, the inclination angle of an adjusting frame is adjusted, the interference effect between the end part of the adjusting frame and buildings such as bridges in the existing external environment is eliminated, the telescopic supporting legs are controlled to move along a main beam, so that the telescopic supporting legs are used for supporting the top of a bridge pier, then a moving mechanism drives a bottom frame to move forwards, the adjusting frame is driven to move forwards, meanwhile, a bridge body lifting appliance passing through a rope hoisting mechanism and the adjusting frame is sent into a determined position, and then the left horizontal position and the right horizontal position of the bridge body lifting appliance are adjusted in a moving mode through expansion control of a propulsion cylinder.
The invention has the beneficial effects that:
this kind of single armed bridging machine is through according to the site environment to the bridge, come to adjust the hydraulic stem and carry out telescopic control, come to adjust the inclination of alignment jig, eliminate the tip of alignment jig and the interference effect of buildings such as the bridge in the external current environment, and remove along the girder through control telescopic support leg, make this telescopic support leg be used for supporting with the top of pier, then drive the chassis through moving mechanism and move forward, and then drive the alignment jig and move forward, will send into definite position through the bridge hoist of rope hoist mechanism and alignment jig simultaneously, then and through the flexible control of propulsion cylinder, come to remove the regulation to the horizontal position about the bridge hoist.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a single boom bridge crane according to the present invention;
FIG. 2 is an installation schematic diagram of a telescopic support leg of the single-boom bridge crane of the invention;
FIG. 3 is a schematic structural diagram of a moving mechanism of a single-boom bridge crane according to the present invention;
FIG. 4 is a schematic structural diagram of a telescopic support leg of the single-boom bridge crane of the invention.
In the figure: 1. a traveling wheel; 2. a base; 3. a support; 4. a main beam; 5. a hanger; 6. a chassis; 7. a support frame; 8. an adjusting bracket; 9. adjusting a hydraulic rod; 10. a rope hoist mechanism; 11. a bridge body sling; 12. a moving mechanism; 13. limiting a guide rail; 14. a limiting slide block; 15. a moving track; 16. a groove; 17. straight rack; 18. a traveling gear; 19. an adjustment mechanism; 20. propelling the cylinder; 21. a linear guide rail; 22. a slider; 23. a telescopic support leg; 24. a traveling track; 25. a walking seat; 26. a base block; 28. a movable frame; 29. supporting a hydraulic cylinder; 30. a supporting base; 31. a reinforcing frame; 32. a reinforcing rod; 33. and a reinforcing plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
The embodiment is as follows: as shown in fig. 1, 2, 3 and 4, the single-boom bridge crane of the present invention includes a base 2 with traveling wheels 1 at the bottom, a vertical support 3 is provided at one side of the base 2, a main beam 4 is provided at the top of the support 3, the front end of the main beam 4 extends forward, and a hanger 5 moving along the main beam 4 is provided on the main beam 4; gallows 5 includes the chassis 6 that removes along girder 4, be equipped with vertical ascending support frame 7 on the chassis 6, articulated on the support frame 7 have about upset and the tip towards the alignment jig 8 of the setting of 2 opposite sides of base, be equipped with a plurality of regulation hydraulic stem 9 between alignment jig 8 and the support frame 7, just be equipped with a plurality of rope hoist mechanism 10 on the alignment jig 8, just alignment jig 8 is connected with pontic hoist 11 through rope hoist mechanism 10. According to the on-site environment of the bridge, the adjusting hydraulic rod 9 is controlled to stretch and contract, the inclination angle of the adjusting frame 8 is adjusted, the interference effect between the end part of the adjusting frame 8 and buildings such as bridges in the external existing environment is eliminated, the underframe 6 moves forwards, the adjusting frame 8 is driven to move forwards, and meanwhile, the bridge body lifting appliance 11 passing through the rope lifting mechanism 10 and the adjusting frame 8 is sent to a determined position.
Be equipped with moving mechanism 12 between chassis 6 and the girder 4, just girder 4 is the platykurtic, just the cross-section of chassis 6 also is the platykurtic, moving mechanism 12 is including setting up a pair of limit guide 13 at 4 top upper surfaces of girder, be equipped with the limit slide 14 that moves along limit guide 13 on the chassis 6, still be equipped with on girder 4 with limit guide 13 parallel arrangement's removal track 15, the both sides of removing track 15 are equipped with the recess 16 of inside concave yield, be equipped with spur rack 17 in the recess 16, be equipped with the walking gear 18 with spur rack 17 meshing on the chassis 6, just walking gear 18 is through driving motor drive. The chassis moves forwards along the main beam under the limiting action of the limiting guide rail and the limiting slide block through the meshing of the walking gear and the supporting strip,
an adjusting mechanism 19 is arranged between the main beam and the lifting appliance 11, the adjusting mechanism 19 comprises a propulsion 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 propulsion cylinder 20 is fixed with the sliding block 22; the left and right horizontal positions of the bridge body lifting appliance 11 are moved and adjusted through the telescopic control of the propulsion cylinder 20, and the bridge body is convenient to install.
The front end of the main beam 4 is provided with a telescopic supporting leg 23 moving along the main beam 4, and the telescopic supporting leg 23 is used for supporting the top of a pier.
Be equipped with between support frame 7 and the chassis 6 and strengthen 31, increased the intensity of support frame 7 with the chassis 6 junction, difficult phenomenon of splitting takes place, just the upper end of support frame 7 is equipped with arched stiffener 32, has increased the intensity of support frame 7, be equipped with a plurality of deep floor 33 between girder 4 and the support 3, increased the intensity of girder 4 with the support 3 junction, difficult phenomenon of splitting takes place.
The bracket 3 is fixed on the base 2 through bolts.
The using method of the single-boom bridge crane is characterized in that the expansion control is performed on the adjusting hydraulic rod 9 according to the site environment of a bridge, the inclination angle of the adjusting frame 8 is adjusted, the interference effect between the end part of the adjusting frame 8 and buildings such as bridges in the existing external environment is eliminated, the expansion supporting leg 23 is controlled to move along the main beam 4, the expansion supporting leg 23 is used for supporting the top of a pier, the moving mechanism 12 drives the chassis to move forwards, the adjusting frame 8 is further driven to move forwards, meanwhile, the rope hoisting mechanism 10 and the bridge crane 11 of the adjusting frame 8 are sent to a determined position, and then the expansion control of the air cylinder 20 is pushed to move and adjust the left and right horizontal positions of the bridge crane 11.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. 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. A single boom bridge crane is characterized in that: the walking-wheel type walking-beam machine comprises a base (2) with walking wheels (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 hanging bracket (5) moving along the main beam (4) is arranged on the main beam (4); gallows (5) include chassis (6) that remove along girder (4), be equipped with vertical ascending support frame (7) on chassis (6), articulated have about overturning and tip towards adjusting bracket (8) of the setting of base (2) opposite side on support frame (7), be equipped with a plurality of regulation hydraulic stem (9) between adjusting bracket (8) and support frame (7), just be equipped with a plurality of rope hoist mechanism (10) on adjusting bracket (8), just adjusting bracket (8) are connected with pontic hoist (11) through rope hoist mechanism (10).
2. The single boom bridge crane according to claim 1, wherein a moving mechanism (12) is arranged between the underframe (6) and the main girder (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 limit guide rails (13) arranged on the upper surface of the top of the main beam (4), a limiting slide block (14) moving along a limiting guide rail (13) is arranged on the bottom frame (6), the main beam (4) is also provided with a movable track (15) which is arranged in parallel with the limit guide rail (13), two sides of the moving track (15) are provided with grooves (16) which are recessed inwards, the improved bicycle is characterized in that a straight rack (17) is arranged in the groove (16), a walking gear (18) meshed with the straight rack (17) is arranged on the chassis (6), and the walking gear (18) is driven by a driving motor.
3. The single-boom bridge crane according to claim 1, wherein an adjusting mechanism (19) is arranged between the main beam and the lifting device (11), the adjusting mechanism (19) comprises a propulsion cylinder (20) which is arranged on the main beam (4) and is arranged transversely, a straight guide rail (21) which is vertically upward is arranged on one side of the bridge body lifting device (11) close to the main beam (4), a sliding block (22) which moves along the straight guide rail (21) is arranged on the straight guide rail (21), and a telescopic end of the propulsion cylinder (20) is fixed with the sliding block (22).
4. The single-boom bridge crane according to claim 1, wherein the front end of the main beam (4) is provided with a telescopic support leg (23) moving along the main beam (4), and the telescopic support leg (23) is used for supporting the top of a pier.
5. The single-boom bridge crane according to claim 4, wherein the telescopic support leg (23) comprises a walking rail (24) arranged at the bottom of the main beam (4), a walking seat (25) moving along the walking rail (24) is arranged on the walking rail (24), a base block (26) is arranged on the walking seat (25), a telescopic cavity horizontally arranged is arranged on the base block (26), a moving frame (28) moving along the telescopic cavity is arranged in the telescopic cavity, a downward support hydraulic cylinder (29) is arranged on the moving frame (28), and a support seat (30) supporting the top of the bridge pier is arranged at the telescopic end of the support hydraulic cylinder (29).
6. The single-boom bridge crane according to claim 1, wherein a reinforcing frame (31) is arranged between the support frame (7) and the underframe (6), an arched reinforcing rod (32) is arranged at the upper end of the support frame (7), and a plurality of reinforcing rib plates (33) are arranged between the main beam (4) and the support (3).
7. The single boom bridge crane according to claim 1, wherein the support (3) is fixed to the base (2) by bolts.
8. The use method of the single boom bridge crane according to any one of claims 1 to 7, it is characterized in that the telescopic control is carried out on the adjusting hydraulic rod (9) according to the site environment of the bridge, the inclination angle of the adjusting frame (8) is adjusted, the interference effect between the end part of the adjusting frame (8) and the buildings such as bridges in the existing external environment is eliminated, and the telescopic support legs (23) are used for supporting the top of the pier by controlling the telescopic support legs (23) to move along the main beam (4), then the moving mechanism (12) drives the bottom frame to move forward, further drives the adjusting frame (8) to move forward, simultaneously, a bridge body sling (11) passing through the rope hoisting mechanism (10) and the adjusting frame (8) is sent to a determined position, then, the left and right horizontal positions of the bridge body lifting appliance (11) are movably adjusted through the expansion control of the propulsion 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 true CN115123936A (en) | 2022-09-30 |
| CN115123936B CN115123936B (en) | 2023-12-08 |
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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 |
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| 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 |
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| Publication number | Publication date |
|---|---|
| CN115123936B (en) | 2023-12-08 |
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