CN217352191U - Novel bridge girder erection machine for wharf - Google Patents

Abstract

The utility model provides a novel pier is with frame bridge crane, including the girder, be equipped with the upper end roof beam between the tip of two girders, be equipped with first landing leg between lower extreme roof beam and the girder, the top of two girders is equipped with first day car mechanism and second day car mechanism, be equipped with the second landing leg between two first landing legs, two orbital tops of walking all are equipped with the undersetting platform, the bottom of undersetting platform is equipped with running gear, the top of undersetting platform is fixed with first supporting tube, the upper end of first supporting tube is equipped with first support column, it is equipped with well supporting bench to go up between supporting bench and the undersetting platform, well supporting bench fixes on the outer wall of first supporting tube, the below of going up the supporting bench is equipped with first hydraulic cylinder, the free end of first hydraulic cylinder is fixed in the bottom of going up the supporting bench, the top of going up the supporting bench is equipped with second running gear, second running gear assembles on the second walking track of girder lower extreme. The utility model discloses simple structure, convenient to use.

Description

Novel bridge girder erection machine for wharf

Technical Field

The utility model belongs to the technical field of the hoist, especially, relate to a novel pier is with frame bridge crane.

Background

The bridge girder erection machine is equipment for placing prefabricated beam pieces on prefabricated piers, belongs to the category of cranes, and mainly has the functions of lifting the beam pieces of a bridge, conveying the beam pieces to a position and putting the beam pieces down. The existing crane is mostly in the structure of application number CN201921973626.5, the patent name is a novel bridge girder erection machine, the patent discloses that the bridge girder erection machine comprises a main girder, a front support leg, a middle support leg, a rear support leg, a front crown block and a rear crown block which are assembled at the top end of the main girder, the bridge girder erection machine is inconvenient to move transversely (namely the same direction as the vertical direction of the main girder), so that the bridge girder erection machine is suitable for construction occasions with less transverse piers and narrower bridge floors, one end of the bridge girder erection machine is hoisted by the front crown block and the rear crown block, the bridge girder is conveyed to the other end of the bridge girder erection machine, the bridge girder falls onto the piers, then the bridge girder erection machine is integrally moved forwards to lay the next bridge girder, the construction of the next girder is carried out, the bridge girder is inconvenient to move transversely because more piers are arranged side by side, the width of the bridge floors is thirty-ten meters, the bridge girder floors are required to move transversely, and the bridge girders are conveyed to two sides of the piers through cargo wheels, therefore, the existing bridge girder erection machine cannot meet the construction requirement and is not suitable for wharf construction operation. Therefore, the existing bridge girder erection machine cannot be suitable for bridge deck construction with a wider wharf, and the wharf construction is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel bridge girder erection machine for wharfs, which solves the technical problem that the wharf construction of the existing bridge girder erection machine is inconvenient, and comprises two parallel girders which are arranged at intervals, the girders play a supporting role, I-shaped steel rails are paved at the top ends of the two girders, second walking rails which are parallel to the girders are fixed at the bottom ends of the two girders, an upper end beam is arranged between the end parts of the two girders, the upper end beam plays a role of fixed support, first supporting legs are arranged below the two ends of the girders, the first supporting legs comprise horizontally arranged lower end beams, two vertical second supporting columns which are arranged at intervals are fixed at the top ends of the lower end beams, vertically arranged second supporting tubes are sleeved above the second supporting columns, horizontally arranged lower cross beams are fixed at the lower ends of the second supporting columns, upper cross beams which are arranged in parallel to the lower cross beams are arranged above the lower cross beams, and the upper ends of the second supporting tubes are fixed with the upper cross beams, two second hydraulic cylinders are symmetrically arranged between the upper cross beam and the lower cross beam, the upper ends of the second hydraulic cylinders are hinged with the upper cross beam, the lower ends of the second hydraulic cylinders are hinged with the lower cross beam, the top end of the upper cross beam is fixed with the bottom end of the main beam, and the free end of each second hydraulic cylinder extends to push the main beam to lift upwards. A first crown block mechanism and a second crown block mechanism are arranged above the two main beams, the first crown block mechanism and the second crown block mechanism are both assembled on an I-shaped steel rail at the top end of the main beams, the first crown block mechanism and the second crown block mechanism have the same structure and respectively comprise a crown block frame which is horizontally arranged, crown block support legs which are vertically arranged are fixed below two ends of the crown block frame, crown block walking mechanisms are assembled at the bottoms of the crown block support legs and correspondingly assembled on the I-shaped steel rail at the top end of the main beams, the crown block walking mechanisms drive the first crown block mechanism and the second crown block mechanism to move along the I-shaped steel rail at the top end of the main beams, so that the position adjustment of the first crown block mechanism and the second crown block mechanism is realized, the top end of the crown block frame is fixedly provided with two I-shaped steel rails which are parallel and arranged at intervals, the two I-shaped steel rails are vertical to the space of the main beams, and a hoisting trolley is arranged above the crown block frame, the trolley is assembled on the I-shaped steel rail at the top end of the main beam, the trolley comprises a trolley frame, a trolley travelling mechanism is arranged on the trolley frame, the trolley travelling mechanism is assembled on the I-shaped steel rail at the top end of the trolley frame, a lifting mechanism is arranged on the trolley frame, a lifting appliance is arranged below the lifting mechanism, and the lifting appliance is connected to the lifting mechanism through a steel wire rope. Two second supporting legs which are arranged at intervals are arranged between the two first supporting legs, the second supporting legs play a supporting role, the two second supporting legs comprise first walking tracks arranged on the pier, the two first walking tracks are perpendicular to the space of the main beam, two lower supporting tables which are arranged at intervals are arranged above the two first walking tracks, the lower supporting tables are arranged on the left and the right of the support, a first walking mechanism is arranged at the bottom end of each lower supporting table and assembled on the corresponding first walking track, each first walking mechanism comprises a walking wheel and a walking motor which are assembled on the corresponding lower supporting table, the power output shaft of each walking motor is in transmission connection with the walking wheel, the walking motors are connected with a power supply through cables, the walking motors are connected with a plc controller through connecting cables, vertically arranged first supporting pipes can be disassembled and fixed at the four corners of the top ends of the lower supporting tables, and vertically arranged first supporting columns can be slidably sleeved on the upper ends of the first supporting pipes, the first supporting tube and the first supporting column both play a supporting role, a plurality of assembling through holes are formed in the first supporting tube and the first supporting column, pin shafts with a fixing role are arranged in the assembling through holes, an upper supporting table corresponding to the lower supporting table is arranged right above the lower supporting table, the top ends of the four first supporting columns are all fixed on the upper supporting table, a middle supporting table horizontally arranged is arranged between the upper supporting table and the lower supporting table, the middle supporting table is fixed on the outer walls of the four first supporting tubes, a first hydraulic cylinder vertically arranged is arranged below the upper supporting table, the lower end of the first hydraulic cylinder is fixed on the middle supporting table, the free end of the first hydraulic cylinder is fixed at the bottom end of the upper supporting table, the upper end of the first hydraulic cylinder extends, the first hydraulic cylinder pushes the upper supporting table to vertically move upwards, the height of the second supporting leg is adjusted, and a second walking mechanism is arranged at the top end of the upper supporting table, the second walking mechanism is assembled on a second walking track at the lower end of the main beam and comprises a walking motor and walking wheels, the walking wheels are assembled on the second walking track below the main beam, and a power output shaft of the walking motor is in transmission connection with the walking wheels.

Preferably, a third supporting leg with adjustable height is arranged between the first supporting leg and the second supporting leg at the left end of the main beam.

Preferably, a first reinforcing beam parallel to the first traveling rail is arranged above the first traveling rail, and two ends of the first reinforcing beam are respectively fixed on the lower support tables corresponding to the first reinforcing beam.

Preferably, a second reinforcing beam parallel to the lower end beam is arranged above the lower end beam, and two ends of the second reinforcing beam are respectively and correspondingly fixed on the main beam.

The scheme has the following advantages:

the two second support legs can drive the whole bridge girder erection machine to freely move in the direction perpendicular to the main beam of the bridge girder erection machine, and the height of the second support legs can be adjusted according to construction requirements so as to adjust the whole height of the bridge girder erection machine; the two first supporting legs are arranged to play a supporting role, when the distance between the two second supporting legs needs to be adjusted, the two first supporting legs are in contact with the ground and play a supporting role, and the distance between the two second supporting legs is adjusted; the third supporting leg is arranged, when the constructed bridge deck is narrow, the first supporting leg at the left end is suspended, and the third supporting leg is matched with the first supporting leg at the right end to support the whole bridge girder erection machine; the first crown block mechanism and the second crown block mechanism play a role in lifting the bridge.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a first leg;

FIG. 3 is a schematic structural view of a second leg;

FIG. 4 is a schematic structural view of a third leg;

fig. 5 is a schematic structural view of the first bicycle mechanism.

Reference numerals: 1. a main beam; 2. a first leg; 3. a first day vehicle mechanism; 4. a second crown block mechanism; 5. a trolley; 6. a second leg; 7. a third leg; 11. an upper end beam; 21. a lower end beam; 22. a second support column; 23. a second support tube; 24. a lower cross beam; 25. a second hydraulic cylinder; 26. an upper cross beam; 27. a second reinforcement beam; 31. a crown block frame; 32. a crown block supporting leg; 33. a traveling mechanism of the crown block; 51. a spreader; 61. a first travel track; 62. a lower support table; 621. a first reinforcement beam; 63. a first travel mechanism; 631. a traveling motor; 632. a traveling wheel; 64. a first support tube; 65. a first support column; 66. an upper support table; 67. a middle support platform; 68. a first hydraulic cylinder; 69. and a second running mechanism.

Detailed Description

As shown in fig. 1-5, a novel bridge girder erection machine for wharfs comprises two parallel main girders 1 arranged at intervals, the main girders 1 play a role in supporting, i-steel rails are laid on the top ends of the two main girders 1, second walking rails parallel to the main girders 1 are fixed on the bottom ends of the two main girders 1, an upper end beam 11 is arranged between the end parts of the two main girders 1, the upper end beam 11 plays a role in fixed supporting, first support legs 2 are arranged below the two ends of the main girders 1, the first support legs 2 comprise horizontally arranged lower end beams 21, two vertically arranged second support columns 22 arranged at intervals are fixed on the top ends of the lower end beams 21, vertically arranged second support tubes 23 are sleeved above the second support columns 22, horizontally arranged lower cross beams 24 are fixed on the lower ends of the second support columns 22, upper cross beams 26 arranged parallel to the lower cross beams 24 are arranged above the lower cross beams 24, the upper ends of the second support tubes 23 are fixed with the upper cross beams 26, two second hydraulic cylinders 25 are symmetrically arranged between the upper cross beam 26 and the lower cross beam 24, the upper ends of the second hydraulic cylinders 25 are hinged to the upper cross beam 26, the lower ends of the second hydraulic cylinders 25 are hinged to the lower cross beam 24, the top end of the upper cross beam 26 is fixed to the bottom end of the main beam 1, and the free end of each second hydraulic cylinder 25 extends to push the main beam 1 to lift upwards. A first crown block mechanism 3 and a second crown block mechanism 4 are arranged above the two main beams 1, the first crown block mechanism 3 and the second crown block mechanism 4 are both assembled on an I-shaped steel rail at the top end of the main beam 1, the first crown block mechanism 3 and the second crown block mechanism 4 have the same structure and respectively comprise a crown block frame 31 which is horizontally arranged, crown block support legs 32 which are vertically arranged are fixed below two ends of the crown block frame 31, crown block traveling mechanisms 33 are assembled at the bottoms of the crown block support legs 32, the crown block traveling mechanisms 33 are correspondingly assembled on the I-shaped steel rail at the top end of the main beam 1, the crown block traveling mechanisms 33 drive the first crown block mechanism 3 and the second crown block mechanism 4 to move along the I-shaped steel rail at the top end of the main beam 1, so as to realize the position adjustment of the first crown block mechanism 3 and the second crown block mechanism 4, two I-shaped steel rails which are arranged in parallel and at intervals are fixed at the top end of the crown block frame 31, and are spatially perpendicular to the main beam 1, the crane trolley 5 is arranged above the crane trolley frame 31, the crane trolley 5 is assembled on an I-shaped steel rail at the top end of the main beam 1, the crane trolley 5 comprises a trolley frame, a trolley travelling mechanism is arranged on the trolley frame, the trolley travelling mechanism is assembled on the I-shaped steel rail at the top end of the crane trolley frame, a lifting mechanism is arranged on the trolley frame, a lifting appliance 51 is arranged below the lifting mechanism, and the lifting appliance 51 is connected to the lifting mechanism through a steel wire rope. Two second supporting legs 6 arranged at intervals are arranged between the two first supporting legs 2, the second supporting legs 6 play a supporting role, the two second supporting legs 6 comprise first walking tracks 61 arranged on a pier, the two first walking tracks 61 are perpendicular to the space of the main beam 1, two lower supporting platforms 62 arranged at intervals are arranged above the two first walking tracks 61, the lower supporting platforms 62 play a supporting role from side to side, a first walking mechanism 63 is arranged at the bottom end of the lower supporting platform 62, the first walking mechanism 63 is assembled on the first walking tracks 61, the first walking mechanism 63 comprises walking wheels 632 and walking motors 631 assembled on the lower supporting platform 62, power output shafts of the walking motors 631 are in transmission connection with the walking wheels 632, the walking motors 631 are powered through cables, the walking motors 631 are connected with plc controllers, and vertically arranged first supporting pipes 64 can be detached and fixed at four corners of the top end of the lower supporting platform 62, the upper end of the first supporting tube 64 is slidably sleeved with a first supporting column 65 which is vertically arranged, the first supporting tube 64 and the first supporting column 65 play a supporting role, a plurality of assembling through holes are formed in the first supporting tube 64 and the first supporting column 65, pin shafts which play a fixing role are arranged in the assembling through holes, an upper supporting table 66 which is arranged corresponding to the lower supporting table 62 is arranged right above the lower supporting table 62, the top ends of the four first supporting columns 65 are all fixed on the upper supporting table 66, a middle supporting table 67 which is horizontally arranged is arranged between the upper supporting table 66 and the lower supporting table 62, the middle supporting table 67 is fixed on the outer walls of the four first supporting tubes 64, a first hydraulic oil cylinder 68 which is vertically arranged is arranged below the upper supporting table 66, the lower end of the first hydraulic oil cylinder 68 is fixed on the middle supporting table 67, the free end of the first hydraulic oil cylinder 68 is fixed at the bottom end of the upper supporting table 66, the upper end of the first hydraulic oil cylinder 68 is extended, the first hydraulic oil cylinder 68 pushes the upper supporting table 66 to move vertically upwards to realize the height adjustment of the second supporting leg 6, a second walking mechanism 69 is arranged at the top end of the upper supporting table 66, the second walking mechanism 69 is assembled on a second walking track at the lower end of the main beam 1, the second walking mechanism comprises a walking motor and walking wheels, the walking wheels are assembled on the second walking track below the main beam 1, and a power output shaft of the walking motor is in transmission connection with the walking wheels.

Preferably, a third leg 7 with adjustable height is arranged between the first leg 2 and the second leg 6 at the left end of the main beam 1.

Preferably, a first reinforcing beam 621 parallel to the first traveling rail 61 is disposed above the first traveling rail 61, and both ends of the first reinforcing beam 621 are respectively fixed to the corresponding lower support tables 62.

Preferably, a second reinforcing beam 27 parallel to the lower end beam 21 is arranged above the lower end beam 21, and two ends of the second reinforcing beam 27 are respectively and correspondingly fixed on the main beam 1.

The use process comprises the following steps:

when the utility model is used, when the bridge deck to be laid is narrow, that is, the width of the bridge deck is less than the length of the main beam 1, the first walking track 61 is laid on the bridge pier at first, the first walking mechanism 63 at the bottom of the second leg 6 is assembled on the first walking track 61, at this time, the first leg 2 is in a suspended state, the walking motor 631 drives the walking wheel 632 to move along the first walking track 61, when the height of the main beam 1 needs to be adjusted, four first hydraulic cylinders 68 are started simultaneously, the free ends of the first hydraulic cylinders 68 rise synchronously, the main beam 1 rises, the free ends of the first hydraulic cylinders 68 retract, the main beam 1 falls by a certain height, a ship transports the beam pieces to the lower parts of the two ends of the main beam 1, the first day vehicle mechanism 3 moves to the left end of the main beam 1, the beam pieces are lifted by the lifting appliance 51, the first crown block mechanism 3 lifts the beam pieces and moves to the upper part of the bridge pier along the main beam 1, then placing the beam piece between two piers, and simultaneously hoisting the beam piece from the right end of the main beam 1 by the second crown block mechanism 4 and laying the beam piece on the piers; when the bridge floor to be laid is wide, namely the width of the bridge floor is greater than that of the main beam 1, two first walking rails 61 are laid on a pier on the left side, the first walking mechanisms 63 at the bottoms of the two second supporting legs 6 are assembled on the first walking rails 61, the second crown block mechanisms 4 move to the rightmost end of the main beam 1, the first supporting leg 2 at the left end of the main beam 1 is in a suspended state, the third supporting leg 7 is in contact with the top surface of the pier and plays a supporting role, a ship conveys a beam piece to the position below the left end of the main beam 1, and then the beam piece is lifted and laid through the first crown block mechanisms 3.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (7)

1. The utility model provides a novel pier is with frame bridge crane, girder including two parallels and interval setting, the I-steel track has all been laid on the top of two girders, the bottom of two girders all is fixed with the second walking track parallel with the girder, be equipped with the upper end roof beam between the tip of two girders, the below at girder both ends is equipped with first leg, the top of two girders is equipped with first day car mechanism and second overhead traveling crane mechanism, first day car mechanism and second overhead traveling crane mechanism all assemble on the I-steel track on girder top, its characterized in that: two second supporting legs which are arranged at intervals are arranged between the two first supporting legs, the two second supporting legs comprise first walking tracks arranged on the pier, the two first walking tracks are perpendicular to the space of the main beam, two lower supporting tables which are arranged at intervals are arranged above the two first walking tracks, a first walking mechanism is arranged at the bottom end of each lower supporting table and assembled on the first walking tracks, vertically arranged first supporting tubes are detachably and fixedly arranged at the four corners of the top end of each lower supporting table, vertically arranged first supporting columns are slidably sleeved at the upper ends of the first supporting tubes, upper supporting tables which correspond to the lower supporting tables are arranged right above the lower supporting tables, the top ends of the four first supporting columns are fixed on the upper supporting tables, horizontally arranged middle supporting tables are arranged between the upper supporting tables and the lower supporting tables, the middle supporting tables are fixed on the outer walls of the four first supporting tubes, the lower part of the upper supporting platform is provided with a first hydraulic oil cylinder which is vertically arranged, the lower end of the first hydraulic oil cylinder is fixed on the middle supporting platform, the free end of the first hydraulic oil cylinder is fixed at the bottom end of the upper supporting platform, the top end of the upper supporting platform is provided with a second walking mechanism, and the second walking mechanism is assembled on a second walking track at the lower end of the main beam.

2. The novel bridge girder erection machine for the wharf as claimed in claim 1, wherein: the first overhead traveling crane mechanism and the second overhead traveling crane mechanism are identical in structure and respectively comprise an overhead traveling crane frame which is horizontally arranged, overhead traveling crane support legs which are vertically arranged are fixed below two ends of the overhead traveling crane frame, overhead traveling crane traveling mechanisms are assembled at the bottoms of the overhead traveling crane support legs and are correspondingly assembled on an I-shaped steel track at the top end of the main beam; two parallel I-shaped steel rails arranged at intervals are fixed at the top end of the overhead traveling crane frame, the two I-shaped steel rails are perpendicular to the main beam space, a hoisting trolley is arranged above the overhead traveling crane frame, and the hoisting trolley is assembled on the I-shaped steel rails at the top end of the main beam.

3. The novel bridge girder erection machine for the wharf as claimed in claim 2, wherein: the crane trolley comprises a trolley frame, a trolley travelling mechanism is arranged on the trolley frame, the trolley travelling mechanism is assembled on an I-shaped steel rail at the top end of the overhead traveling crane frame, a lifting mechanism is arranged on the trolley frame, a lifting appliance is arranged below the lifting mechanism, and the lifting appliance is connected to the lifting mechanism through a steel wire rope.

4. The novel bridge girder erection machine for the wharf as claimed in claim 1, wherein: the first supporting leg comprises a lower end beam which is horizontally arranged, two vertical second supporting columns which are arranged at intervals are fixed at the top end of the lower end beam, a second supporting tube which is vertically arranged is sleeved above the second supporting column, a lower cross beam which is horizontally arranged is fixed at the lower end of the second supporting column, an upper cross beam which is parallel to the lower cross beam is arranged above the lower cross beam, the upper end of the second supporting tube is fixed with the upper cross beam, two second hydraulic cylinders which are symmetrically arranged are arranged between the upper cross beam and the lower cross beam, the upper ends of the second hydraulic cylinders are hinged with the upper cross beam, the lower ends of the second hydraulic cylinders are hinged with the lower cross beam, and the top end of the upper cross beam is fixed with the bottom end of the main beam.

5. The novel bridge girder erection machine for the wharf as claimed in claim 1, wherein: a third supporting leg with adjustable height is arranged between the first supporting leg and the second supporting leg at the left end of the main beam.

6. The novel bridge girder erection machine for the wharf as claimed in claim 1, wherein: and a first reinforcing beam parallel to the first walking track is arranged above the first walking track, and two ends of the first reinforcing beam are respectively fixed on the lower supporting tables corresponding to the first reinforcing beam.

7. The novel bridge girder erection machine for the wharf as claimed in claim 1, wherein: and a second reinforcing beam parallel to the lower end beam is arranged above the lower end beam, and two ends of the second reinforcing beam are respectively and correspondingly fixed on the main beam.

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