CN115771836A - Cantilever bridge fabrication machine lifting equipment - Google Patents
Cantilever bridge fabrication machine lifting equipment Download PDFInfo
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- CN115771836A CN115771836A CN202211516290.6A CN202211516290A CN115771836A CN 115771836 A CN115771836 A CN 115771836A CN 202211516290 A CN202211516290 A CN 202211516290A CN 115771836 A CN115771836 A CN 115771836A
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- reinforcement cage
- lifting
- rods
- steel reinforcement
- frame
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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, which comprises: the width of the portal frame is matched with the width of the bridge floor; the base is provided with rollers, and two sides of the bridge floor are provided with guide rails which correspond to the two bases and extend along the length direction of the bridge floor; the suspension arm extends forwards along the center line of the portal frame, and a sliding rail is arranged at the bottom of the suspension arm; the lifting frame is hung on a hook of the electric hoist and comprises a top plate lifting frame and a bottom plate lifting frame which are longitudinally distributed at intervals, and the top plate lifting frame is positioned on the upper surface of the continuous beam section steel reinforcement cage and used for fixing top plate steel reinforcements of the continuous beam section steel reinforcement cage; the bottom plate hanger is positioned at the bottom of the inner mold of the continuous beam section steel reinforcement cage and used for fixing the inner mold of the continuous beam section steel reinforcement cage. On the centre form bottom plate that corresponds the connected segment steel reinforcement cage through the hoist and mount frame and the roof reinforcing bar of festival section reinforcing bar, can not take place deformation at the assurance festival section reinforcing bar of handling in-process at utmost to reduce the construction degree of difficulty, improve construction quality.
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 bridge, the continuous beam structural design of large-span is more and more extensive in application, in continuous beam waters the work progress, often go on through the mode of subsection pouring, the reinforcing bar of every subsection all uses on-the-spot ligature as the main, among the prior art, accomplish the back with the ligature of subsection reinforcing bar on-the-spot, hoist the section reinforcing bar to the prejudice position of bridge fabrication machine usually, directly hoist the section reinforcing bar to the preset position of bridge fabrication machine through the loop wheel machine, because the continuous beam cross-section is great, the easy atress of subsection reinforcing bar is out of shape at the handling in-process, great technical degree of difficulty has been brought for the construction of large-span continuous beam.
Therefore, 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 lifting equipment for a cantilever bridge fabrication machine.
In order to achieve the above purpose, the invention provides the following technical scheme:
a cantilever bridge fabrication machine handling equipment includes:
the width of the portal frame is matched with the width of a bridge floor, and a base is arranged at the bottom of the portal frame;
the bridge comprises bases, wherein rollers are arranged on the bases, 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 lifting arm extends forwards along the center line of the portal frame, a sliding rail is arranged at the bottom of the lifting arm, and an electric hoist is assembled on the sliding rail in a sliding manner;
the lifting frame is hung on a hook of the electric hoist and comprises a top plate lifting frame and a bottom plate lifting frame which are longitudinally distributed at intervals, the top plate lifting frame and the bottom plate lifting frame are flexibly connected through a connecting rope, and the top plate lifting frame is positioned on the upper surface of the continuous beam section steel reinforcement cage and used for fixing top plate steel reinforcements of the continuous beam section steel reinforcement cage;
the bottom plate hanger is positioned at the bottom of the inner mold of the continuous beam segment steel reinforcement cage and used for fixing the inner mold of the continuous beam segment steel reinforcement cage.
Preferably, the roof hanger includes:
the two first main rods are distributed in parallel and are respectively positioned on two sides of the continuous beam section reinforcement cage;
the two first support rods are correspondingly fixed between the two first main rods and are symmetrically distributed relative to the middle point 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 section steel bars;
the floor hanger includes:
the second main rods are arranged at the bottom of the internal mold, the length of each second main rod is matched with that of the internal mold, and the two second main rods are respectively positioned on the longitudinal projections of the two first main rods;
the two second supporting rods are respectively connected between the two first main rods and are respectively positioned on the longitudinal projections of the two first supporting rods;
the second main rod and the second branch rod are correspondingly fixed at the bottom of the inner die.
Preferably, the connection point of the two first support rods and the first main rod is a hanging point, and the hanging point is correspondingly connected with a hanging cable for hanging a hook.
Preferably, on the bottom plate hanger, the connecting point of the second main rod and the first main rod is a hanging point;
and a connecting rope is arranged between the hoisting points of the top plate hoisting frame and the bottom plate hoisting frame, and the top plate of the inner die is provided with a through hole corresponding to the connecting rope.
Preferably, two ends of the connecting rope are provided with bolt ends, and the bolt ends correspond to hoisting points of the threaded connection bottom plate hanging bracket and the threaded connection top plate hanging bracket.
Preferably, two ends of one of the first main rods extend outwards horizontally to form traction rods, two sides of the portal frame are respectively provided with winches, 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, the winch in the same direction as the traction rod is correspondingly connected with the farther traction rod, and the other winch is connected with the closer traction rod;
the electric hoist and the two winches are correspondingly connected to the controller.
Preferably, the slide rail is provided with a first position sensor corresponding to the electric hoist; pull rope displacement sensors are arranged on the two winches and the electric hoist;
the position sensor and the pull rope displacement sensor are correspondingly connected to the controller.
Preferably, the two sides of the portal frame are both provided with guide pieces extending along the longitudinal direction, the winch is assembled on the guide pieces in a sliding manner through a sliding seat, and the base is provided with a driving piece corresponding to the sliding seat;
and the driving piece and the second position sensor are correspondingly connected to the controller.
Preferably, the guide part is two guide rods distributed in parallel, and the driving part is an electromagnetic push rod for driving the sliding seat to slide along the guide rods.
Has the beneficial effects that: on the centre form bottom plate of corresponding connection segment steel reinforcement cage through the hoist and mount frame and the roof reinforcing bar of segment reinforcing bar, can not take place deformation at handling in-process furthest's assurance segment reinforcing bar to reduce the construction degree of difficulty, improve construction quality.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a schematic view of a segment reinforcement cage handling system according to an embodiment of the present invention;
FIG. 2 is a schematic turning view of a segmented rebar cage according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of the lowering of a segmented rebar cage according to an embodiment of the present invention;
FIG. 4 is a schematic view of a roof hanger in an embodiment of the present invention;
FIG. 5 is a schematic view of a floor hanger according to an embodiment of the present invention.
In the figure: 1. a segmental reinforcement cage; 2. an inner mold; 3. a gantry; 4. a winch; 5. a roof hanger; 6. connecting ropes; 7. a bottom plate hanger; 8. a base; 9. hoisting cables; 10. hoisting points; 11. a guide bar; 12. a roller; 13. an electromagnetic push rod; 14. an electric hoist; 501. a first main bar; 502. a first strut; 503. a draw bar; 504. a hauling rope; 701. a second main bar; 702. a second support bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only 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 "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1-5, a cantilever bridge fabrication machine lifting device comprises a portal frame 3, a base 8, a lifting arm and a lifting frame, wherein the width of the portal frame 3 is matched with the width of a bridge floor, in the lifting process, a continuous beam segment steel reinforcement cage 1 can pass through the portal frame 3, so as to be lifted to a segment to be cast 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 floor are arranged on two sides of the bridge floor, the guide rails are anchored on the bridge floor through anchoring devices, the rollers 12 are correspondingly prevented on the guide rails, so that the portal frame 3 can move on the guide rails, and correspondingly, and air cylinders or oil cylinders are arranged on the guide rails for driving the portal frame 3; the suspension arm extends forwards along the center line of the portal frame 3, a sliding rail is arranged at the bottom of the suspension arm, an electric hoist 14 is assembled on the sliding rail in a sliding mode, the electric hoist 14 hoists the segmental steel reinforcement cage 1 to move forwards, the extended suspension arm can enable the segmental steel reinforcement cage 1 to be displaced to the position right above a segmental to be poured, and therefore the segmental steel reinforcement cage 1 is placed on the segmental to be poured, and segmental pouring is conducted under the cooperation of a bridge fabrication machine; the gallows hangs on hoist 14's couple, roof gallows 5 and bottom plate gallows 7 including longitudinal interval distribution, roof gallows 5 and bottom plate gallows 7 are through connecting 6 flexonics of rope, roof gallows 5 is located continuous beam section steel reinforcement cage 1's upper surface, a roof reinforcing bar for fixing continuous beam section steel reinforcement cage 1, fix the top surface of steel reinforcement cage through roof gallows 5, bottom plate gallows 7 is located 2 bottoms of centre form of continuous beam section steel reinforcement cage 1, an centre form 2 for fixing continuous beam section steel reinforcement cage 1, 2 weight of centre form conduct 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 the spacing of connecting rope 6, thereby form three-dimensional hoist and mount 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 comprises a first main bar 501 and a first branch bar 502: the two first main rods 501 are distributed in parallel, and the two first main rods 501 are respectively positioned on two sides of the continuous beam segment reinforcement cage 1; the two first struts 502 are correspondingly fixed between the two first main bars 501 and symmetrically distributed relative to the midpoint of the first main bars 501; the length of first mobile jib 501 and the corresponding length looks adaptation of segmentation steel reinforcement cage 1, two first mobile jibs 501 are located the both sides of segmentation steel reinforcement cage 1 respectively, be used for balanced handling segmentation steel reinforcement cage 1, two first branch 502 correspond to be fixed between two first mobile jibs 501, form a stable supporting truss with this, be hoisting point 10 at two first branch 502 with the junction of first mobile jib 501, hoisting point 10 department corresponds and is connected with hoist cable 9, hoist through hoist cable 9 and electric hoist 14 between, higher equilibrium has, the difficult slope that takes place of segmentation steel reinforcement cage 1, first mobile jib 501 and first branch 502 correspond to be fixed on the roof reinforcing bar of segmentation steel reinforcement cage 1, two first branch 502 symmetric distribution are in the both sides of first branch 502 mid point, carry out the large tracts of land through first mobile jib 501 and first branch 502, the hoist and mount of multiple spot, thereby disperse the stress of segmentation steel reinforcement cage 1, guarantee that segmentation steel reinforcement cage 1 can not take place deformation in hoist and mount process. The first main rod 501 and the first branch rod 502 are correspondingly fixed on the top plate steel bars of the section steel bars; first mobile jib 501 and first branch 502 are the I-steel, the roof reinforcing bar of festival section steel reinforcement cage 1 passes through the U-shaped buckle to correspond to be connected on first mobile jib 501 and first branch 502, particularly, the U-shaped buckle that will pass corresponding roof reinforcing bar makes progress the joint on first mobile jib 501 or first branch 502, then screw through the nut, with festival section steel reinforcement cage 1 firmly fixed with hoist and mount frame, of course, also can weld festival section steel reinforcement cage 1 and first branch 502 through the reinforcing bar spare, after the hoist and mount is accomplished, with the reinforcing bar spare cutting can.
The bottom plate hanger 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 mold 2, the length of the second main rod 701 is matched with that of the inner mold 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 branches 702 are connected between the two first main bars 501, respectively, to form a square truss corresponding to the hanging point 10 of the roof hanger 5; the connection point of the two first struts 502 and the first main rod 501 is a hanging point 10, and the hanging point 10 is correspondingly connected with a hanging cable 9 for hanging a hook. 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 connecting point of the second main rod 701 and the first main rod 501, and a hanging point 10 is arranged at the connecting 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 lifting points 10 of the top plate hanger 5 and the bottom plate hanger 7, a through hole corresponding to the connecting rope 6 is formed in the top plate of the inner die 2, the top plate hanger 5 and the bottom plate hanger 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 lifting point is formed, and the section steel reinforcement cage 1 is lifted; in this embodiment, the bottom plate hanger 7 is not only used for supporting the inner die 2, but also used for supporting the surface of the inner die 2 to form a whole surface, so as to ensure the supporting area of the inner part of the segment steel reinforcement cage 1.
In this embodiment, the 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 of the bottom plate hanger 7 and the top plate hanger 5. The bolt end corresponds hoisting point 10 of threaded connection bottom plate gallows 7 and roof gallows 5, can carry out releasable connection with 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, prestress tensioning can be carried out through the bolt end, the gravity of the inner die 2 is overcome through tensioning, and the inner die is enabled to have a certain supporting force, so that the situation that the surface of the inner die 2 is not supported in the hoisting process is avoided.
Be equipped with the double-screw bolt that corresponds second branch 702 and second mobile jib 701 in centre form 2 bottom, second branch 702 and second mobile jib 701 are the I-steel, be equipped with the perforation of corresponding double-screw bolt on the edge of a wing of I-steel, the double-screw bolt passes the threaded connection after the perforation has the nut, because centre form 2 can be used repeatedly, consequently the double-screw bolt can be fixed on centre form 2 through the welded form, make connection structure comparatively stable, bottom plate gallows 7 only need the installation preset the position and place in centre form 2 bottom, can make the double-screw bolt pass the screw that corresponds, then carry out the nut connection and can accomplish the installation, it is all more convenient to install and dismantle.
In another embodiment, a plurality of connecting rods are equidistantly distributed on two sides of the two first supporting rods 502 to connect the two first main rods 501, and the connecting rods can also be i-shaped 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 reinforcement cage 11 are improved, and the stress stability of the segment steel reinforcement cage 1 is ensured.
In an alternative embodiment, two ends of one of the first main rods 501 horizontally extend outward to form a traction rod 503, so that the traction rod 503 extends out on the same side of the roof 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 winches 4 respectively located on two sides of the hoist, the two winches 4 can be independently controlled for different traction ropes 504, force arms are provided through the traction rods 503, the segment reinforcement cage 1 can be drawn on a traction line of the winch 4, the two traction ropes 504 are arranged for ensuring steering transition, the segment reinforcement cage 1 can be reversely rotated and forwardly rotated through switching of the two winches 4, and when one winch 4 is used for traction, the other winch 4 appropriately releases the traction rope 504 to provide a necessary space for steering.
In this embodiment, winches 4 are respectively arranged on two sides of the gantry 3, one end of each of the two hauling ropes 504 is correspondingly connected to the two hauling rods 503, the other end of each of the two hauling ropes 504 is correspondingly connected to the two winches 4, the winch 4 in the same direction as the hauling rod 503 is correspondingly connected to a farther hauling rod 503, and the other winch 4 is connected to a closer hauling rod 503; therefore, after the section reinforcement cage 1 turns, the two traction rods 503 are opposite to the portal frame 3 and are respectively positioned at the same side with the corresponding windlasses 4.
In an optional embodiment, in order to realize automatic steering control, the electric hoist 14 and the two winches 4 are correspondingly connected to a controller, and the two winches 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 arranged on the slide rail, the first position sensor is used for judging the specific position of the segment steel reinforcement cage 1 according to the position of the electric hoist 14, so as to push the relative positions of the two traction rods 503 and the two hoists 4, the two hoists 4 and the electric hoist 14 are both provided with a pull rope displacement sensor, the release length of a suspension wire in the electric hoist 14 and the release length of the two hoists 4 to the traction ropes 504 are judged by the pull rope displacement sensor, so that the two traction ropes 504 are matched with each other to realize steering operation, the position sensor and the pull rope displacement sensor are correspondingly connected to a controller, a control program is preset in the controller, and actual automatic steering control is performed.
The turning process of the concrete segmental reinforcement cage 1 comprises the following steps:
the electric hoist 14 slides along the sliding rail, the section steel reinforcement cage 1 is hoisted to a specified position by the electric hoist 14, the specific position can meet steering conditions or is determined by a first position sensor and a pull rope displacement sensor on the basis of reaching the position right above a bridge fabrication machine casting template, and therefore the positions of the two traction rods 503 and the winch 4 are judged according to the size of the hoisting frame; the controller controls the two winches 4 to pull the traction ropes 504, specifically, the winch 4 corresponding to the far-end traction rod 503 contracts the traction ropes 504, the other winch 4 releases the traction ropes 504 with a certain length, so that the segmental steel reinforcement cage 1 can turn 90 degrees, the distance between the two traction rods 503 and the two winches 4 after turning is measured and calculated through the position of the segmental steel reinforcement cage 1, and the release length of the traction ropes 504 is adjusted through the two winches 4, so that the segmental steel reinforcement cage 1 is kept in a state of turning 90 degrees (right against the cross section of the bridge) through the traction of the two traction ropes 504.
In this embodiment, in order to further ensure that the segment steel reinforcement cage 1 is over against the cross section of the bridge in the process of placing the formwork to the bridge fabrication machine, preferably, the two winches 4 are used for performing position adjustment according to the longitudinal position of the segment steel reinforcement cage 1, so as to keep the angle of the segment steel reinforcement cage 1 in the process below. Specifically, guide parts extending along the longitudinal direction are arranged on two sides of the portal frame 3, the winch 4 is assembled on the guide parts in a sliding mode through a sliding seat, and a driving part corresponding to the sliding seat is arranged on the base 8; the driving part is correspondingly provided with a second position sensor, and the driving part and the second position sensor are correspondingly connected to the controller.
Judge the concrete height of hoist engine 4 through second position sensor, the controller makes two hoist engines 4 descend in step according to the stay cord displacement sensor on the electric hoist 14, makes two hoist engines 4 and section reinforcing bar money be located same height turning to the initial stage, and at the in-process that descends, two hoist engines 4 descend in step. See figure 3 for details.
In this embodiment, the guide members are two guide rods 11 distributed in parallel, the stability of the sliding of the hoisting machine 4 is ensured by the limitation of the two guide rods 11, the driving member is an electromagnetic push rod 13 for driving the sliding base to slide along the guide rods 11, and the electromagnetic push rod 13 is correspondingly connected to the controller.
In an optional embodiment, be equipped with the double-screw bolt section that corresponds the centre form roof on connecting the rope, the screw bolt section is the tubulose to correspond cup joint on connecting the rope, pass through rivet or welded fastening with connecting the rope, the outer wall has the external screw thread, has the regulating plate at double-screw bolt section threaded connection, rotating regulating plate during the use, contradict centre form roof bottom surface through the regulating plate, can further inject the deformation of centre form roof, reduce the deflection of steel reinforcement cage.
The above description is only exemplary of the invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the invention is intended to be covered by the appended claims.
Claims (10)
1. The utility model provides a cantilever bridge fabrication machine handling equipment which characterized in that includes:
the width of the portal frame is matched with that of the bridge floor, and a base is arranged at the bottom of the portal frame;
the bridge comprises bases, wherein rollers are arranged on the bases, 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 lifting arm extends forwards along the center line of the portal frame, a sliding rail is arranged at the bottom of the lifting arm, and an electric hoist is assembled on the sliding rail in a sliding manner;
the lifting frame is hung on a hook of the electric hoist and comprises a top plate lifting frame and a bottom plate lifting frame which are longitudinally distributed at intervals, the top plate lifting frame and the bottom plate lifting frame are flexibly connected through a connecting rope, and the top plate lifting frame is positioned on the upper surface of the continuous beam section steel reinforcement cage and used for fixing top plate steel reinforcements of the continuous beam section steel reinforcement cage;
the bottom plate hanger is positioned at the bottom of the inner mold of the continuous beam segment steel reinforcement cage and used for fixing the inner mold of the continuous beam segment steel reinforcement cage.
2. The cantilever bridge crane handling equipment of claim 1, wherein the roof hanger comprises:
the two first main rods are distributed in parallel and are respectively positioned on two sides of the continuous beam section steel reinforcement cage;
the two first supporting rods are correspondingly fixed between the two first main rods and symmetrically distributed relative to the middle point 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 section steel bars;
the floor hanger comprises:
the second main rods are arranged at the bottom of the internal mold, the length of each second main rod is matched with that of the internal mold, and the two second main rods are respectively positioned on the longitudinal projections of the two first main rods;
the two second supporting rods are respectively connected between the two first main rods and are respectively positioned on the longitudinal projections of the two first supporting rods;
the second main rod and the second branch rod are correspondingly fixed at the bottom of the inner die.
3. The lifting equipment of the cantilever bridge fabrication machine of claim 2, wherein the connection point of the two first supporting rods and the first main rod is a lifting point, and the lifting point is correspondingly connected with a lifting cable for hanging a hook.
4. The cantilever bridge fabrication machine lifting equipment as claimed in claim 3, wherein on the base plate hanger, the connection point of the second main rod and the first main rod is a lifting point;
and a connecting rope is arranged between the hoisting points of the top plate hoisting frame and the bottom plate hoisting frame, and the top plate of the inner die is provided with a through hole corresponding to the connecting rope.
5. The lifting equipment for the cantilever bridge fabrication machine as claimed in claim 4, wherein two ends of the connecting rope are provided with bolt ends, and the bolt ends correspond to lifting points of the threaded connection bottom plate lifting frame and the threaded connection top plate lifting frame.
6. The hoisting equipment of the cantilever bridge fabrication machine as claimed in claim 2, wherein two ends of one of the first main rods horizontally extend outwards to form traction rods, two sides of the portal frame are respectively provided with winches, one end of each of the two traction ropes is correspondingly connected to the two traction rods, and the other end of each of the two traction ropes is correspondingly connected to the two winches.
7. The cantilever bridge fabrication machine lifting equipment as claimed in claim 6, wherein the winches in the same direction as the draw bar are correspondingly connected with one draw bar which is far away, and the other winch is connected with one draw bar which is near;
the electric hoist and the two winches are correspondingly connected to the controller.
8. The lifting equipment of the cantilever bridge fabrication machine according to claim 7, wherein the slide rail is provided with a first position sensor corresponding to the electric hoist; pull rope displacement sensors are arranged on the two winches and the electric hoist;
the position sensor and the pull rope displacement sensor are correspondingly connected to the controller.
9. The cantilever bridge fabrication machine lifting equipment as recited in claim 7, wherein the two sides of the portal frame are provided with guide members extending along the longitudinal direction, the winch is assembled on the guide members in a sliding manner through sliding seats, and the base is provided with driving members corresponding to the sliding seats;
the driving part is correspondingly provided with a second position sensor, and the driving part and the second position sensor are correspondingly connected to the controller.
10. The handling equipment of the cantilever bridge fabrication machine of claim 9, wherein the guiding member is two guide rods distributed in parallel, and the driving member is an electromagnetic push rod for driving the sliding base 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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| CN115771836A true CN115771836A (en) | 2023-03-10 |
| CN115771836B CN115771836B (en) | 2023-06-30 |
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| CN202211516290.6A Active CN115771836B (en) | 2022-11-30 | 2022-11-30 | Cantilever bridging machine handling equipment |
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| CN (1) | CN115771836B (en) |
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| CN211772864U (en) * | 2019-11-29 | 2020-10-27 | 中铁第四勘察设计院集团有限公司 | Construction device suitable for integral hoisting of cantilever beam steel bar segment |
| 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 |
| CN112554082A (en) * | 2020-12-04 | 2021-03-26 | 贵州大通路桥工程建设有限公司 | Method for hoisting newly-added pile foundation reinforcement cage in narrow space under bridge reinforcement bridge |
| 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 |
| 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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| 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 |
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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115771836B (en) | 2023-06-30 |
| JP7325789B1 (en) | 2023-08-15 |
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