CN115771836B - Cantilever bridging machine handling equipment - Google Patents
Cantilever bridging machine handling equipment Download PDFInfo
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- CN115771836B CN115771836B CN202211516290.6A CN202211516290A CN115771836B CN 115771836 B CN115771836 B CN 115771836B CN 202211516290 A CN202211516290 A CN 202211516290A CN 115771836 B CN115771836 B CN 115771836B
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The invention provides a cantilever bridge fabrication machine lifting device, comprising: the width of the portal frame is matched with the width of the bridge deck; the base is provided with rollers, and guide rails which correspond to the two bases and extend along the length direction of the bridge deck are arranged on two sides of the bridge deck; the suspension arm extends forwards along the central line of the portal frame, and a sliding rail is arranged at the bottom of the suspension arm; the hanging frame is hung on a hanger of the electric hoist and comprises a top plate hanging frame and a bottom plate hanging frame which are longitudinally distributed at intervals, and the top plate hanging frame is positioned on the upper surface of the continuous beam section steel reinforcement cage and is used for fixing top plate steel bars of the continuous beam section steel reinforcement cage; the bottom plate hanging bracket is positioned at the bottom of the inner mold of the continuous beam section steel reinforcement cage and is used for fixing the inner mold of the continuous beam section steel reinforcement cage. The inner die bottom plate of the section reinforcement cage is correspondingly connected with the top plate reinforcement of the section reinforcement cage through the hoisting frame, deformation of the section reinforcement can be prevented to the greatest extent in the hoisting process, and therefore construction difficulty is reduced, and construction quality is improved.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to lifting equipment of a cantilever bridge fabrication machine.
Background
In the development of modern bridges, the design and application of a large-span continuous beam structure are more and more extensive, in the continuous beam casting construction process, the steel bars of each section are mainly bound on site in a manner of segmental casting, in the prior art, after the section steel bars are bound on site, the section steel bars are usually hoisted to the pre-examination position of a bridge fabrication machine, and the section steel bars are directly hoisted to the pre-examination position of the bridge fabrication machine through a crane.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a lifting device of a cantilever bridge fabrication machine.
In order to achieve the above object, the present invention provides the following technical solutions:
a cantilever bridge fabrication machine handling apparatus comprising:
the width of the portal frame is matched with the width of the bridge deck, and a base is arranged at the bottom of the portal frame;
the bridge deck comprises a base, wherein rollers are arranged on the base, guide rails which correspond to the two bases and extend along the length direction of the bridge deck are arranged on two sides of the bridge deck, and the rollers are correspondingly prevented from being arranged on the guide rails;
the suspension arm extends forwards along the central line of the portal frame, a sliding rail is arranged at the bottom of the suspension arm, and an electric hoist is arranged on the sliding rail in a sliding manner;
the hanging frame is hung on the hanger of the electric hoist and comprises a top plate hanging frame and a bottom plate hanging frame which are longitudinally distributed at intervals, the top plate hanging frame and the bottom plate hanging frame are flexibly connected through connecting ropes, and the top plate hanging frame is positioned on the upper surface of the continuous beam section steel reinforcement cage and used for fixing top plate steel reinforcement of the continuous beam section steel reinforcement cage;
the bottom plate hanging bracket is positioned at the bottom of the inner die of the continuous beam section steel reinforcement cage and used for fixing the inner die of the continuous beam section steel reinforcement cage.
Preferably, the top plate hanger includes:
the first main rods are distributed in parallel and are respectively positioned at two sides of the continuous beam segment reinforcement cage;
the first support rods are correspondingly fixed between the two first main rods and are symmetrically distributed relative to the midpoints of the first main rods;
the first main rod and the first support rod are correspondingly fixed on the top plate steel bars of the segment steel bars;
the floor hanger includes:
the second main rods are arranged at the bottom of the inner die, the lengths of the second main rods are matched with those of the inner die, and the two second main rods are respectively positioned on the longitudinal projections of the two first main rods;
the two second support rods are respectively connected between the two first main rods and are respectively positioned on the longitudinal projections of the two first support rods;
the second main rod and the second support rod are correspondingly fixed at the bottom of the inner die.
Preferably, the connection points of the two first support rods and the first main rod are hanging points, and the hanging points are correspondingly connected with hanging cables for hanging the hooks.
Preferably, on the bottom plate hanging bracket, a hanging point is arranged at the connecting point of the second main rod and the first main rod;
connecting ropes are arranged between the hanging points of the top plate hanging frame and the bottom plate hanging frame, and the top plate of the inner die is provided with perforations corresponding to the connecting ropes.
Preferably, bolt ends are arranged at two ends of the connecting rope, and the bolt ends are correspondingly connected with hanging points of the bottom plate hanging frame and the top plate hanging frame in a threaded manner.
Preferably, traction rods horizontally extend outwards from two ends of one of the first main rods, winches are respectively arranged on two sides of the portal frame, one ends of the two traction ropes are correspondingly connected to the two traction rods, and the other ends of the two traction ropes are correspondingly connected to the two winches.
Preferably, one winch which is in the same direction as the traction rod is correspondingly connected with one traction rod which is far away, and the other winch is connected with the other traction rod which is near away;
the electric hoist and the two winches are correspondingly connected to the controller.
Preferably, the sliding rail is provided with a first position sensor corresponding to the electric hoist; pull rope displacement sensors are arranged on the two windlass and the electric hoist;
the position sensor and the stay cord displacement sensor are correspondingly connected to the controller.
Preferably, guide pieces extending along the longitudinal direction are arranged on two sides of the portal frame, the winch is assembled on the guide pieces in a sliding manner through a sliding seat, and a driving piece corresponding to the sliding seat is arranged on the base;
the driving piece is correspondingly provided with a second position sensor, and the driving piece and the second position sensor are correspondingly connected to the controller.
Preferably, the guide member is two guide rods which are distributed in parallel, and the driving member is an electromagnetic push rod and is used for driving the sliding seat to slide along the guide rods.
The beneficial effects are that: the inner die bottom plate of the section reinforcement cage is correspondingly connected with the top plate reinforcement of the section reinforcement cage through the hoisting frame, deformation of the section reinforcement can be prevented to the greatest extent in the hoisting process, and therefore construction difficulty is reduced, and construction quality is improved.
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 invention. Wherein:
fig. 1 is a schematic view of a hoisting of a segmented reinforcement cage in accordance with an embodiment of the present invention;
fig. 2 is a schematic steering view of a segmented reinforcement cage in accordance with an embodiment of the present invention;
fig. 3 is a schematic view of a descending of a segmented reinforcement cage in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a ceiling hanger in accordance with an embodiment of the present invention;
fig. 5 is a schematic view of a floor hanger in accordance with an embodiment of the present invention.
In the figure: 1. segment reinforcement cages; 2. an inner mold; 3. a portal frame; 4. a hoist; 5. a top plate hanger; 6. a connecting rope; 7. a bottom plate hanger; 8. a base; 9. a hoist cable; 10. a hanging point; 11. a guide rod; 12. a roller; 13. an electromagnetic push rod; 14. an electric hoist; 501. a first main lever; 502. a first strut; 503. a traction rod; 504. a traction rope; 701. a second main lever; 702. and a second support rod.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The invention will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
As shown in fig. 1-5, a cantilever bridge fabrication machine lifting device comprises a portal frame 3, a base 8, a suspension arm and a hanging frame, wherein the width of the portal frame 3 is matched with the width of a bridge deck, in the lifting process, a continuous beam section reinforcement cage 1 can pass through the portal frame 3 so as to be lifted to a section to be poured of a continuous beam in front of a crane, the portal frame 3 can be formed by welding I-steel or channel steel, the base 8 is arranged at the bottom of the portal frame 3, rollers 12 are arranged on the base 8, guide rails which correspond to the two bases 8 and extend along the length direction of the bridge deck are arranged on two sides of the bridge deck, the guide rails are anchored on the bridge deck through anchoring devices, the rollers 12 correspond to the guide rails, the portal frame 3 can be enabled to displace on the guide rails, and corresponding air cylinders or oil cylinders are arranged on the guide rails so as to drive the portal frame 3; the suspension arm extends forwards along the central line of the portal frame 3, a sliding rail is arranged at the bottom of the suspension arm, an electric hoist 14 is arranged on the sliding rail in a sliding mode, the electric hoist 14 is used for lifting the section steel reinforcement cage 1 to move forwards, the extending suspension arm can enable the section steel reinforcement cage 1 to be displaced to the position right above the section to be poured, and therefore the section steel reinforcement cage 1 is placed on the section to be poured, and section pouring is carried out under the cooperation of a bridge fabrication machine; the gallows is hung on the couple of electric hoist 14, including vertical interval distribution's roof gallows 5 and bottom plate gallows 7, roof gallows 5 and bottom plate gallows 7 pass through connecting rope 6 flexonics, roof gallows 5 are located the upper surface of continuous beam section steel reinforcement cage 1, be used for the roof reinforcement of fixed continuous beam section steel reinforcement cage 1, top surface to the steel reinforcement cage is fixed through roof gallows 5, bottom plate gallows 7 are located the centre form 2 bottoms of continuous beam section steel reinforcement cage 1, be used for the centre form 2 of fixed continuous beam section steel reinforcement cage 1, centre form 2 weight is conducted to roof gallows 5 through connecting rope 6 on the one hand, on the other hand centre form 2 can support the inside of section steel reinforcement cage 1 under connecting rope 6's spacing, thereby form three-dimensional hoist system to section steel reinforcement cage 1, avoid handling in-process section steel reinforcement cage 1 to warp.
In an alternative embodiment, the roof hanger 5 includes a first main bar 501 and a first strut 502: the two first main rods 501 are distributed in parallel, and the two first main rods 501 are respectively positioned at two sides of the continuous beam segment reinforcement cage 1; the two first support rods 502 are correspondingly fixed between the two first main rods 501 and are symmetrically distributed relative to the middle points of the first main rods 501; the length of the first main rod 501 is matched with the corresponding length of the segment reinforcement cage 1, the two first main rods 501 are respectively positioned at two sides of the segment reinforcement cage 1 and used for balancing and lifting the segment reinforcement cage 1, the two first supporting rods 502 are correspondingly fixed between the two first main rods 501, so that a stable supporting truss is formed, the positions of the connection points of the two first supporting rods 502 and the first main rods 501 are suspension points 10, suspension cables 9 are correspondingly connected at the suspension points 10, the suspension cables 9 and the electric hoist 14 are used for carrying out suspension, the segment reinforcement cage 1 is not prone to tilting, the first main rods 501 and the first supporting rods 502 are correspondingly fixed on top plate reinforcement bars of the segment reinforcement cage 1, the two first supporting rods 502 are symmetrically distributed at two sides of the midpoints of the first supporting rods 502, and are used for carrying out large-area and multi-point suspension through the first main rods 501 and the first supporting rods 502, so that the stress of the segment reinforcement cage 1 is dispersed, and the segment reinforcement cage 1 is prevented from being deformed in the suspension process. The first main rod 501 and the first support rod 502 are correspondingly fixed on the top plate steel bars of the segment steel bars; the first main rod 501 and the first support rod 502 are both I-shaped steel, the top plate steel bars of the segmental reinforcement cage 1 are correspondingly connected to the first main rod 501 and the first support rod 502 through U-shaped buckles, specifically, the U-shaped buckles penetrating through the corresponding top plate steel bars are upwards clamped on the first main rod 501 or the first support rod 502, then screwed through nuts, the segmental reinforcement cage 1 and the hoisting frame are firmly fixed, of course, the segmental reinforcement cage 1 and the first support rod 502 can be welded through reinforcement pieces, and the reinforcement pieces are cut after hoisting is completed.
The bottom plate hanging bracket 7 comprises a second main rod 701 and a second supporting rod 702, the second main rod 701 is arranged at the bottom of the inner die 2, the length of the second main rod 701 is matched with that of the inner die 2, and the two second main rods 701 are respectively positioned on the longitudinal projections of the two first main rods 501; the two second supporting rods 702 are respectively connected between the two first main rods 501, so that a square truss corresponding to the hanging point 10 of the top plate hanging bracket 5 is formed; the connection points of the two first support rods 502 and the first main rod 501 are suspension points 10, and the suspension points 10 are correspondingly connected with suspension cables 9 for hanging hooks. Correspondingly, the two second struts 702 are respectively located on the longitudinal projections of the two first struts 502, and the two second struts 702 are respectively located on the longitudinal projections of the two first struts 502; a hanging point 10 is arranged at the connection point of the second main rod 701 and the first main rod 501, and the hanging point 10 is arranged at the connection point of the second main rod 701 and the first main rod 501 on the bottom plate hanging bracket 7; a connecting rope 6 is arranged between the hanging points 10 of the top plate hanging frame 5 and the bottom plate hanging frame 7, the top plate of the inner mold 2 is provided with a perforation corresponding to the connecting rope 6, the top plate hanging frame 5 and the bottom plate hanging frame 7 are connected into a whole through the connecting rope 6, the section steel reinforcement cage 1 is supported from inside to outside, a three-dimensional hanging point is formed, and the section steel reinforcement cage 1 is lifted; in the embodiment, the bottom plate hanging frame 7 not only supports the inner mold 2, but also forms an integral surface support through the surface of the inner mold 2, so as to ensure the support area of the inner part of the segmental reinforcement cage 1.
In this embodiment, two ends of the connecting rope 6 are provided with bolt ends, and the bolt ends correspond to the hanging points 10 of the threaded connection bottom plate hanging frame 7 and the top plate hanging frame 5. The bolt end corresponds the hoisting point 10 of threaded connection bottom plate gallows 7 and roof gallows 5, can carry out detachable connection bottom plate gallows 7 and roof gallows 5 through the bolt end to dismantle after the hoist and mount is accomplished, be equipped with the screw hole that corresponds hoisting point 10 at the lower surface of roof gallows 5, be equipped with the screw hole that corresponds hoisting point 10 at the upper surface of bottom plate gallows 7, with this connecting bolt end. In addition, the prestress tensioning can be carried out through the bolt end, the gravity of the inner die 2 is overcome through tensioning, the inner die is provided with a certain supporting force, and the condition that the surface of the inner die 2 is not supported in the lifting process is avoided.
The bottom of the inner die 2 is provided with the studs corresponding to the second supporting rods 702 and the second main rod 701, the second supporting rods 702 and the second main rod 701 are I-steel, the flange of the I-steel is provided with the through holes corresponding to the studs, the studs pass through the through holes and are connected with nuts through threads, and as the inner die 2 can be repeatedly used, the studs can be fixed on the inner die 2 in a welded mode, so that the connecting structure is stable, the bottom plate hanging frame 7 only needs to be arranged at the bottom of the inner die 2 at a preset position, the studs can pass through the corresponding screw holes, then the nut connection can be completed, and the installation and the disassembly are convenient.
In another embodiment, a plurality of connecting rods are equidistantly distributed on two sides of the two first support rods 502 to connect the two first main rods 501, the connecting rods can also be i-steel and are connected with corresponding top-layer steel bars through corresponding U-shaped buckles, so that the structural stability of the hoisting frame is improved, the supporting connection points of the segment steel bar cages are improved, and the stability of the stress of the segment steel bar cages 1 is ensured.
In an alternative embodiment, two ends of one of the first main rods 501 horizontally extend outwards to form a traction rod 503, so that the traction rod 503 extends out on the same side of the top plate hanger 5, one ends of two traction ropes 504 are correspondingly connected to the two traction rods 503, the other ends of the two traction ropes 504 are correspondingly connected to two windlass 4 respectively located on two sides of the crane, the two windlass 4 can respectively and independently control different traction ropes 504, a force arm is provided through the traction rod 503, a traction wire of the windlass 4 is used for writing a section steel reinforcement cage 1, two traction ropes 504 are arranged for ensuring steering transition, the section steel reinforcement cage 1 can be rotated reversely and positively through switching of the two windlass 4, and when one windlass 4 performs traction, the other windlass 4 appropriately releases the traction ropes 504 to provide necessary space for steering.
In this embodiment, two sides of the portal frame 3 are respectively provided with a winch 4, one end of each of two hauling ropes 504 is correspondingly connected to two hauling rods 503, the other end of each of the two hauling ropes is correspondingly connected to two winches 4, one hauling rod 503 far is correspondingly connected to the winches 4 in the same direction as the hauling rods 503, and the other hauling rod 503 near is connected to the other winches 4; thus, after the segmental reinforcement cage 1 is turned, the two traction rods 503 are opposite to the portal frame 3 and are respectively positioned at the same side with the corresponding windlass 4.
In an alternative embodiment, to realize automatic steering control, the electric hoist 14 and the two hoists 4 are correspondingly connected to a controller, and the two hoists 4 and the electric hoist 14 are respectively controlled by the controller.
In this embodiment, a first position sensor corresponding to the electric hoist 14 is disposed on the sliding rail, the first sensor is used for determining a specific position of the segment reinforcement cage 1 according to a position of the electric hoist 14, so that relative positions of the two traction rods 503 and the two hoists 4 are pushed, pull rope displacement sensors are disposed on the two hoists 4 and the electric hoist 14, a release length of a hanging wire in the electric hoist 14 and a release length of the two hoists 4 to the traction rope 504 can be determined through the judgment of the pull rope displacement sensors, steering operation is achieved through mutual cooperation of the two traction ropes 504, the position sensor and the pull rope displacement sensors are correspondingly connected to the controller, a control program is preset in the controller, and actual automatic steering control is performed.
The steering process of the concrete segment reinforcement cage 1 comprises the following steps:
the electric hoist 14 slides along the sliding rail, the segment reinforcement cage 1 is lifted to a designated position by the electric hoist 14, the specific position is determined by a first position sensor and a stay rope displacement sensor based on the condition that the steering condition can be met or the position reaches the position right above a casting die plate of the bridge fabrication machine, and the positions of the two traction rods 503 and the winch 4 are judged according to the size of the lifting frame; the controller controls the two windlass 4 to pull the hauling ropes 504, specifically, the windlass 4 corresponding to the far-end hauling rod 503 contracts the hauling ropes 504, the other windlass 4 releases the hauling ropes 504 with a certain length, the segmental reinforcement cage 1 can be turned 90 degrees, the distance between the two hauling rods 503 and the two windlass 4 after the segmental reinforcement cage 1 is calculated and turned through the position of the segmental reinforcement cage 1, and the released length of the hauling ropes 504 is adjusted through the two windlass 4, so that the segmental reinforcement cage 1 is kept in a state (opposite to the cross section of a bridge) of being turned to 90 degrees by the traction of the two hauling ropes 504.
In this embodiment, in order to further ensure that the segment reinforcement cage 1 is directly opposite to the bridge section in the process of placing the casting template of the bridge fabrication machine, it is preferable that the two windlass 4 perform position adjustment according to the longitudinal position of the segment reinforcement cage 1 so as to constantly maintain the angle of the segment reinforcement cage 1 in the lower process. Specifically, guide pieces extending longitudinally are arranged on two sides of the portal frame 3, the winch 4 is assembled on the guide pieces in a sliding manner through a sliding seat, and a driving piece corresponding to the sliding seat is arranged on the base 8; the driving piece is correspondingly provided with a second position sensor, and the driving piece and the second position sensor are correspondingly connected to the controller.
The specific height of the windlass 4 is judged through the second position sensor, the controller enables the two windlass 4 to descend synchronously according to the stay rope displacement sensor on the electric hoist 14, the two windlass 4 and the section steel bar are located at the same height at the initial stage of steering, and the two windlass 4 descends synchronously in the descending process. See figure 3 for details.
In this embodiment, the guiding members are two guide rods 11 distributed in parallel, the stability of the sliding of the hoist 4 is ensured by the limitation of the two guide rods 11, the driving member is an electromagnetic push rod 13, and the driving member is used for driving the sliding seat to slide along the guide rods 11, and the electromagnetic push rod 13 is correspondingly connected to the controller.
In an alternative embodiment, be equipped with the double-screw bolt section that corresponds the centre form roof on the connecting rope, the double-screw bolt section is tubular to correspond to cup joint on the connecting rope, pass through rivet or welded fastening with the connecting rope, the outer wall has the external screw thread, has the regulating plate at double-screw bolt section threaded connection, and the rotatory regulating plate during the use is contradicted the centre form roof bottom surface through the regulating plate, can further inject the deformation of centre form roof, reduces the deflection of steel reinforcement cage.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. Cantilever bridging machine handling equipment, its characterized in that includes:
the width of the portal frame is matched with the width of the bridge deck, and a base is arranged at the bottom of the portal frame;
the bridge deck comprises a base, wherein rollers are arranged on the base, guide rails which correspond to the two bases and extend along the length direction of the bridge deck are arranged on two sides of the bridge deck, and the rollers are correspondingly prevented from being arranged on the guide rails;
the suspension arm extends forwards along the central line of the portal frame, a sliding rail is arranged at the bottom of the suspension arm, and an electric hoist is arranged on the sliding rail in a sliding manner;
the hanging frame is hung on the hanger of the electric hoist and comprises a top plate hanging frame and a bottom plate hanging frame which are longitudinally distributed at intervals, the top plate hanging frame and the bottom plate hanging frame are flexibly connected through connecting ropes, and the top plate hanging frame is positioned on the upper surface of the continuous beam section steel reinforcement cage and used for fixing top plate steel reinforcement of the continuous beam section steel reinforcement cage;
the bottom plate hanging bracket is positioned at the bottom of the inner die of the continuous beam section reinforcement cage and is used for fixing the inner die of the continuous beam section reinforcement cage; the roof hanger includes:
the first main rods are distributed in parallel and are respectively positioned at two sides of the continuous beam segment reinforcement cage;
the first support rods are correspondingly fixed between the two first main rods and are symmetrically distributed relative to the midpoints of the first main rods;
the first main rod and the first support rod are correspondingly fixed on the top plate steel bars of the segment steel bars;
the floor hanger includes:
the second main rods are arranged at the bottom of the inner die, the lengths of the second main rods are matched with those of the inner die, and the two second main rods are respectively positioned on the longitudinal projections of the two first main rods;
the two second support rods are respectively connected between the two first main rods and are respectively positioned on the longitudinal projections of the two first support rods;
the second main rod and the second support rod are correspondingly fixed at the bottom of the inner die; the connection points of the two first support rods and the first main rod are hanging points, and the hanging points are correspondingly connected with hanging cables for hanging hooks; on the bottom plate hanging bracket, a hanging point is arranged at the connecting point of the second main rod and the first main rod;
a connecting rope is arranged between the hanging points of the top plate hanging frame and the bottom plate hanging frame, and the top plate of the inner mold is provided with a perforation corresponding to the connecting rope;
bolt ends are arranged at two ends of the connecting rope and correspond to hanging points of the threaded connection bottom plate hanging frame and the top plate hanging frame;
traction rods extend outwards horizontally from two ends of one of the first main rods, winches are respectively arranged on two sides of the portal frame, one ends of the two traction ropes are correspondingly connected to the two traction rods, and the other ends of the two traction ropes are correspondingly connected to the two winches;
one traction rod far is correspondingly connected with the winch in the same direction as the traction rod, and the other winch is connected with the traction rod near;
the electric hoist and the two winches are correspondingly connected to the controller;
the sliding rail is provided with a first position sensor corresponding to the electric hoist; pull rope displacement sensors are arranged on the two windlass and the electric hoist;
the position sensor and the stay cord displacement sensor are correspondingly connected to the controller;
the two sides of the portal frame are provided with guide pieces extending longitudinally, the winch is assembled on the guide pieces in a sliding way through a sliding seat, and the base is provided with driving pieces corresponding to the sliding seat;
the driving piece is correspondingly provided with a second position sensor, and the driving piece and the second position sensor are correspondingly connected to the controller;
the bottom of the inner die is provided with studs corresponding to the second support rod and the second main rod, the second support rod and the second main rod are I-steel, the flange of the I-steel is provided with perforations corresponding to the studs, and the studs are connected with nuts through threads after passing through the perforations.
2. The cantilever bridge fabrication machine lifting device of claim 1, wherein the guide members are two guide rods arranged in parallel, and the driving member is an electromagnetic push rod for driving the slide carriage to slide along the guide rods.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211516290.6A CN115771836B (en) | 2022-11-30 | 2022-11-30 | Cantilever bridging machine handling equipment |
| JP2023103317A JP7325789B1 (en) | 2022-11-30 | 2023-06-23 | Lifting transfer device for cantilever bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211516290.6A CN115771836B (en) | 2022-11-30 | 2022-11-30 | Cantilever bridging machine handling equipment |
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| Publication Number | Publication Date |
|---|---|
| CN115771836A CN115771836A (en) | 2023-03-10 |
| CN115771836B true CN115771836B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211516290.6A Active CN115771836B (en) | 2022-11-30 | 2022-11-30 | Cantilever bridging machine handling equipment |
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| Country | Link |
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| JP (1) | JP7325789B1 (en) |
| CN (1) | CN115771836B (en) |
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| CN108750915B (en) * | 2018-07-18 | 2024-02-06 | 宁波交通工程建设集团有限公司 | Prefabricated box girder top plate reinforcing steel mesh lifting appliance and operation method |
| CN210525461U (en) * | 2019-07-03 | 2020-05-15 | 中铁上海工程局集团有限公司 | Prefabricated assembled pier shaft reinforcement shaping mould |
| CN210710435U (en) * | 2019-09-29 | 2020-06-09 | 杭州华峰地基基础工程有限公司 | Low clearance underground wall lower cage construction structures |
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| CN211998422U (en) * | 2020-04-02 | 2020-11-24 | 中铁七局集团郑州工程有限公司 | Special lifting appliance for folding passenger box girder |
| CN213836318U (en) * | 2020-11-03 | 2021-07-30 | 中铁四局集团第一工程有限公司 | Bridge floor wet joint hangs mould structure |
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| CN214167159U (en) * | 2020-12-30 | 2021-09-10 | 中国建筑土木建设有限公司 | Hoisting system for installing anti-falling beam stop block in box girder |
| CN215711296U (en) * | 2021-05-18 | 2022-02-01 | 福建省工业设备安装有限公司 | High-altitude operation hanger |
| CN215924144U (en) * | 2021-07-19 | 2022-03-01 | 中交路桥建设有限公司 | Multi-functional large-tonnage whole hole precast beam steel reinforcement cage hoist |
| CN216336128U (en) * | 2021-12-09 | 2022-04-19 | 中铁十八局集团有限公司 | Recyclable cover beam steel bar lifting appliance |
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2022
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2023
- 2023-06-23 JP JP2023103317A patent/JP7325789B1/en active Active
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| JPH08311817A (en) * | 1995-05-18 | 1996-11-26 | Mitsubishi Heavy Ind Ltd | Bridge erection device |
| CN101586330A (en) * | 2008-05-22 | 2009-11-25 | 中铁十一局集团第一工程有限公司 | Receding construction method of cradle of continuous girder bridge made of prestressing concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115771836A (en) | 2023-03-10 |
| JP7325789B1 (en) | 2023-08-15 |
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