CN213389734U - Bridge erecting machine - Google Patents
Bridge erecting machine Download PDFInfo
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- CN213389734U CN213389734U CN202021677259.7U CN202021677259U CN213389734U CN 213389734 U CN213389734 U CN 213389734U CN 202021677259 U CN202021677259 U CN 202021677259U CN 213389734 U CN213389734 U CN 213389734U
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- 238000009434 installation Methods 0.000 description 2
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- 238000004873 anchoring Methods 0.000 description 1
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- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
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Abstract
A bridge girder erection machine relates to bridge girder erection machines. The bridge girder erection machine is designed for mainly solving the problems that the existing bridge girder erection machine has potential safety hazards when being used under wind-heavy working conditions. The truss type main beam comprises an upper chord beam, a left lower chord beam and a right lower chord beam, a left web member system is arranged between the upper chord beam and the left lower chord beam, and a right web member system is arranged between the upper chord beam and the right lower chord beam; and a connecting longitudinal beam is arranged between the left lower chord beam and the right lower chord beam. The wheels of the main crown block and the auxiliary crown block are arranged on the crown block guide rail of the upper chord beam. And the left lower chord beam and the right lower chord beam of the truss type main beam are fixed on a first upper truss of the first supporting leg, trays of the two second supporting leg trolleys, a third supporting leg tray of the third supporting leg trolley, and a left hinged support and a right hinged support of the fourth supporting leg. Wheels of an electric walking trolley of the gluing construction operation platform are respectively arranged on lower chord beam slide rails of the left truss type main beam and the right truss type main beam. Its advantage is high wind resistance.
Description
The technical field is as follows:
the utility model relates to a bridge erects the field, specifically relates to a bridging machine.
Background art:
the bridge girder erection machine is applied to the construction of the upper structures of a plurality of bridges, and a bridge girder is a widely used structural form and comprises a foundation, an abutment, a precast beam and a bridge deck from bottom to top. The bridge girder erection machine is a key device in the construction process, and has the function of hoisting the poured precast beam to a specified installation position on an abutment. In addition, because the bridge usually consists of multiple spans, and the hoisting of the precast beam can be carried out only span by span, the bridge girder erection machine has the capability of walking forwards in addition to the function of hoisting the precast beam.
The crossbeam of the existing bridge girder erection machine is mostly made of steel plates, and the crossbeam of the existing bridge girder erection machine has large swing and potential safety hazard when being used under the working condition of large wind such as the riverside and seaside. The first supporting leg and the second supporting leg support the bridge girder erection machine in a hole passing process, the third supporting leg and the fourth supporting leg assist in hole passing, and due to the fact that stress is uneven, a balance weight needs to be arranged, and the whole weight is increased.
In addition, the gluing of the splicing joint surface of the section beam is finished by workers standing in a hanging basket of a crane, the crane occupies a large area, the cost is high, and the crane cannot enter some fields due to the limitation of terrain conditions.
The invention content is as follows:
the utility model aims to solve the technical problem that a be fit for using under the big circumstances of wind is provided to can make things convenient for the workman to give the gummed bridge crane of segment girder splicing seam face.
The above object is achieved by: the gluing device comprises a main frame, a first supporting leg, a second supporting leg, a third supporting leg, a fourth supporting leg, a gluing construction operation platform, a main crown block and an auxiliary crown block;
the main frame comprises a left truss girder and a right truss girder which have the same structure, the front ends and the rear ends of the two truss girders are respectively connected with a connecting beam, each truss girder comprises an upper chord beam, a left lower chord beam and a right lower chord beam which are arranged side by side from left to right, a left web member system is connected between the upper chord beam and the left lower chord beam, and a right web member system is connected between the upper chord beam and the right lower chord beam; and a connecting longitudinal beam is connected between the left lower chord beam and the right lower chord beam, namely two ends of the connecting longitudinal beam are respectively connected to the left lower chord beam and the right lower chord beam through bolts.
The left web member system comprises a plurality of first left web members and second left web members, the upper ends of the first left web members are respectively connected to the upper chord beam through bolts, the first left web members are gradually inclined forwards from top to bottom, the lower ends of the first left web members are respectively connected to the left lower chord beam through bolts, and the first left web members are arranged in parallel; the upper end of the second left web member is respectively connected to the upper chord beam through a bolt, the second left web member is inclined from top to bottom gradually to the back, the lower end of the second left web member is respectively connected to the left lower chord beam through a bolt, and the second left web members are arranged in parallel. Every first left web member all intersects rather than the middle part of the left web member of the second of one side, set up a left connecting plate in the intersection of every first left web member and the left web member of second, left connecting plate passes through bolted connection with first left web member and the left web member of second, still there is the left stand of downwardly extending through bolted connection on the left connecting plate, bolted connection is passed through on the left lower chord to the lower extreme of left stand, be equipped with first left pull rod between two adjacent left connecting plates, first left pull rod passes through the bolt and is connected rather than the left connecting plate of both sides.
The right web member system and the left web member system have the same structure and consist of a plurality of first right web members and second right web members, the upper ends of the first right web members are respectively connected to the upper chord beam through bolts, the first right web members are gradually inclined forwards from top to bottom, the lower ends of the first right web members are respectively connected to the right lower chord beam through bolts, and the first right web members are arranged in parallel; the upper end of the right web member of the second is respectively connected to the upper chord beam through a bolt, the right web member of the second is inclined from top to bottom gradually to the back, the lower end of the right web member of the second is respectively connected to the lower right chord beam through a bolt, and the right web members of the second are arranged in parallel. Every first right web member all intersects rather than the middle part of the right web member of the second of one side, set up a right connecting plate in the intersection of every first right web member and the right web member of second, right connecting plate passes through bolted connection with first right web member and the right web member of second, still there is the right stand of downward extension on the right connecting plate through bolted connection, bolted connection is passed through on the right lower chord to the lower extreme of right stand, be equipped with first right pull rod between two adjacent right connecting plates, first right pull rod passes through the bolt and is connected rather than the right connecting plate of both sides.
The top of the two upper chord beams is provided with a crown block guide rail, and wheels of the main crown block and the auxiliary crown block are arranged on the crown block guide rail. An axial sliding rail is fixed on the left end face of the left lower chord beam of the truss type main beam on the left side, and an axial sliding rail is also fixed on the right end face of the right lower chord beam of the truss type main beam on the right side. The hanging device is arranged on the left and right lower chord beams.
The first support leg comprises two first stand columns, a plurality of first lower cross braces and first upper cross braces are arranged between the two first stand columns from bottom to top, the first lower cross braces and the first upper cross braces are arranged at intervals, two ends of each first lower cross brace and two ends of each first upper cross brace are respectively connected to the two first stand columns through bolts, and a first support rod is connected between each first lower cross brace and the first upper cross brace above the first lower cross brace; the top parts of the two first stand columns are respectively fixed with a first movable outer sleeve, the upper parts of the first movable outer sleeves are provided with pin holes, and a first cross beam is connected between the two first movable outer sleeves; the two first movable inner sleeves are provided with pin holes which are arranged up and down, the upper ends of the two first movable inner sleeves are fixedly provided with first upper trusses, and the two ends of each first upper truss are respectively connected to the upper chord beams of the two truss type main beams through hinged supports and pin shafts; the lower parts of the two first movable inner sleeves are respectively arranged in the two first movable outer sleeves, and the connection and fixation are realized by mounting pin shafts in pin holes of the first movable inner sleeves and the first movable outer sleeves; the cylinder bodies of the two first leg oil cylinders are fixed on the first upper truss, and the cylinder rods of the two first leg oil cylinders are connected to the first cross beam.
The second landing leg include two second stands, second landing leg bottom end rail is fixed in the bottom of second stand, second landing leg supporting beam fixes the top at the second stand, the cylinder body of second landing leg jacking cylinder is fixed on second landing leg supporting beam, there is second landing leg entablature second landing leg supporting beam top, the jar pole of second landing leg jacking cylinder is connected on second landing leg entablature, second landing leg entablature and second landing leg supporting beam homogeneous phase correspond and are equipped with a plurality of holes, there is the screw-thread reinforcing bar in the corresponding downthehole of second landing leg entablature and second landing leg supporting beam, second landing leg jacking cylinder during operation, unscrew the nut on the screw-thread reinforcing bar and can adjust the height of second landing leg entablature. The upper surface of the upper cross beam of the second support leg is fixedly provided with a left second support leg slide rail and a right second support leg slide rail, wheels of two second support leg trolleys are respectively arranged in the left second support leg slide rail and the right second support leg slide rail, second support leg trays are fixed on the two second support leg trolleys, a left lower chord beam and a right lower chord beam of one truss type main beam are fixed on the tray of one second support leg trolley, and a left lower chord beam and a right lower chord beam of the other truss type main beam are fixed on the tray of the other second support leg trolley. The cylinder bodies of the two second supporting leg longitudinal moving oil cylinders are respectively fixed on the two second supporting leg trolleys, and the cylinder rods of the two second supporting leg longitudinal moving oil cylinders are respectively connected with the connecting longitudinal beam between the left lower chord beam and the right lower chord beam of the two truss type main beams through pin shafts. The connecting longitudinal beam is provided with a plurality of pin shaft mounting holes which are arranged in a front-back manner, when the bridge girder erection machine passes through the holes, the second supporting leg longitudinally moves the oil cylinder to work, after the cylinder rod reaches a set stroke, the cylinder rod and the pin shaft connected with the longitudinal beam are detached, the cylinder rod retracts, the pin shaft at the end part of the cylinder rod is mounted in a corresponding pin shaft mounting hole at the back, and the operation is repeated. The left and right second support leg transverse moving oil cylinders are arranged, cylinder bodies of the two second support leg transverse moving oil cylinders are fixed between two second support leg sliding rails, a cylinder rod of the left second support leg transverse moving oil cylinder is connected to the left second support leg trolley, and a cylinder rod of the right second support leg transverse moving oil cylinder is connected to the right second support leg trolley. The two second supporting legs transversely move the oil cylinders to work, and the two truss type main beams can be transversely and finely adjusted.
The third landing leg include two third landing leg jacking cylinders, the jar pole of two third landing leg jacking cylinders is connected on third landing leg entablature, the upper surface of third landing leg entablature is fixed with and controls twice third landing leg slide rail, two wheels of third landing leg movable trolley are arranged in respectively and are controlled twice third landing leg slide rail, all be fixed with the third landing leg tray on two third landing leg trolleys, the left side lower chord roof beam and the right side lower chord roof beam of a truss-like girder are fixed on the third landing leg tray of a third landing leg trolley, the left side lower chord roof beam and the right side lower chord roof beam of another truss-like girder are fixed on the third landing leg tray of another third landing leg trolley. The cylinder bodies of the two third supporting leg longitudinal moving oil cylinders are respectively fixed on the two third supporting leg trolleys, and the cylinder rods of the two third supporting leg longitudinal moving oil cylinders are respectively connected with the connecting longitudinal beam between the left lower chord beam and the right lower chord beam of the two truss type main beams through pin shafts. The connecting longitudinal beam is provided with a plurality of pin shaft mounting holes which are arranged in a front-back manner, when the bridge girder erection machine passes through the holes, the third supporting leg longitudinally moves the oil cylinder to work, after the rod with the cylinder reaches a set stroke, the cylinder rod and the pin shaft connected with the longitudinal beam are detached, the cylinder rod retracts, and the pin shaft at the end part of the cylinder rod is mounted in a corresponding pin shaft mounting hole at the back. The hydraulic support is characterized by further comprising two third supporting leg transverse moving oil cylinders which are arranged on the left and right sides, wherein cylinder bodies of the two third supporting leg transverse moving oil cylinders are fixed between two third supporting leg sliding rails, a cylinder rod of the third supporting leg transverse moving oil cylinder located on the left side is connected to the third supporting leg trolley located on the left side, and a cylinder rod of the third supporting leg transverse moving oil cylinder located on the right side is connected to the third supporting leg trolley located on the right side.
The fourth landing leg include the support, the fourth landing leg crossbeam is fixed at the support top, the left side at the fourth landing leg crossbeam is fixed to two interior sheathed tube lower extremes in a left side, all be equipped with the round pin axle mounting hole that a plurality of was arranged from top to bottom on two interior sleeves in a left side, the upper portion of two interior sleeves in a left side is equipped with left outer tube respectively, be equipped with round pin axle mounting hole on two outer sleeves in a left side respectively, left outer tube and left interior sleeve are through installing the round pin hub connection in round pin axle mounting hole, the sub-unit connection of two left outer tubes has the connecting beam under the fourth landing leg left side, the upper portion of two left outer tubes is connected with the upper left tie-beam of fourth landing leg, the top of two left outer tubes is connected with left free bearing respectively, the jar pole of left jacking. The lower extreme of two right internal sleeves is fixed on the right side of fourth landing leg crossbeam, the round pin axle mounting hole of arranging about all being equipped with a plurality of on two right internal sleeves, the upper portion of two right internal sleeves is equipped with right outer tube respectively in the cover, be equipped with round pin axle mounting hole on two right outer tubes respectively, right outer tube and right internal sleeve are through installing the round pin hub connection in round pin axle mounting hole, the sub-unit connection of two right outer tubes has fourth landing leg under the right side tie-beam, the upper portion of two right outer tubes is connected with fourth landing leg upper right tie-beam, the top of two right outer tubes is connected with right free bearing respectively, the jar pole of right jacking hydro-cylinder is fixed on the crossbeam, the cylinder body of right jacking hydro. The left lower chord beam and the right lower chord beam of one truss-type main beam are fixed on the two left hinged supports, and the left lower chord beam and the right lower chord beam of the other truss-type main beam are fixed on the two right hinged supports.
The gluing construction operation platform comprises a left ladder cage and a right ladder cage, electric walking trolleys are mounted at the tops of the left ladder cage and the right ladder cage, and wheels of the two electric walking trolleys are respectively arranged on a slide rail of a left lower chord beam of the truss type main beam on the left side and a slide rail of a right lower chord beam of the truss type main beam on the right side; the left end of the left working platform is connected to the lower end of the left ladder cage through a pin shaft, and the right end of the right working platform is connected to the lower end of the right ladder cage through a pin shaft; the right-hand member of left side work platform is equipped with the connection piece that extends right, and the left end of right side work platform is equipped with the connection piece that extends left, is equipped with the round pin shaft hole on two connection pieces, and the round pin axle inserts the downthehole connection that realizes left work platform and right work platform of round pin.
A left middle working platform is arranged above the left working platform, the left end of the left middle working platform is fixed on the left ladder cage, an upper left working platform is arranged above the left middle working platform, the left end of the upper left working platform is also fixed on the left ladder cage, and the edges of the left working platform, the left middle working platform and the upper left working platform are all fixed with upwardly extending guardrails; the left middle working platform and the left upper working platform are positioned on the left side of the beam body;
a right middle working platform is arranged above the right working platform, the right end of the right middle working platform is fixed on the right ladder cage, an upper right working platform is arranged above the right middle working platform, the right end of the upper right working platform is also fixed on the right ladder cage, and the edges of the right working platform, the right middle working platform and the upper right working platform are all fixed with upwardly extending guardrails; the right middle working platform and the right upper working platform are positioned on the right side of the beam body;
the left middle working platform and the right middle working platform are both provided with chain blocks, and the hooks of the two chain blocks are hung on the guardrail of the left working platform and the guardrail of the right working platform respectively.
The lower end of the second left pull rod is connected to the left working platform through a bolt, and the upper end of the second left pull rod extends into a connecting sleeve at the right end of the left middle working platform and is screwed down through a bolt; the lower end of the second right pull rod is connected to the right working platform through a bolt, and the upper end of the second right pull rod extends into a connecting sleeve at the left end of the right middle working platform and is screwed down through a bolt; when the bridge girder erection machine passes through the hole, the second left and right pull rods are detached, the pin shaft for connecting the left working platform and the right working platform is detached, and the two chain blocks work to enable the left working platform and the right working platform to rotate downwards.
When holes are drilled, the second supporting leg, the section beam surface and the pier top embedded thread steel bar are anchored, the crown block and the auxiliary crown block move to the position above the third supporting leg, the second supporting leg and the third supporting leg are supported, the first supporting leg and the fourth supporting leg are separated, the main frame is pushed to move longitudinally by using the longitudinal moving oil cylinders of the second supporting leg and the third supporting leg, the first supporting leg reaches the pier top position in front to be supported, at the moment, the first supporting leg, the second supporting leg and the fourth supporting leg are supported, the main crown block is used for lifting the third supporting leg to the erected bridge floor position in front, the anchoring of the second supporting leg, the beam surface and the pier top is released, the first supporting leg, the third supporting leg and the fourth supporting leg are supported, the main crown block is used for lifting the second supporting leg to the pier top cushion stone in front to be supported, the second supporting leg and the pier top embedded thread steel bar are anchored, the main crown block and the auxiliary crown block move to the position above the second supporting leg to be balanced, the first supporting, the first supporting leg reaches the top of the front pier and is supported, the bridge girder erection machine moves longitudinally to the through hole in place, and the second supporting leg and the third supporting leg are anchored with the main frame.
The utility model has the advantages that: because the second supporting leg and the third supporting leg are provided with the transverse moving oil cylinders, the transverse moving of the whole machine can realize the construction of a plurality of bridges. The whole machine has simple and compact structure. The main frame adopts a truss structure, has high rigidity and strong wind resistance, and is convenient to disassemble, assemble and transport. And jacking oil cylinders are arranged on the second supporting leg and the third supporting leg, so that the requirement of small-range elevation adjustment during beam body installation is met. Due to the arrangement of the gluing construction operation platform, workers can conveniently brush waterproof materials on the splicing seam surfaces of the segmental beams.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic top view of the main frame of the present invention;
fig. 3 is a schematic side view of the truss girder according to the present invention;
fig. 4 is a schematic front view of the left web member system of the present invention;
fig. 5 is a schematic front view of the right and middle web members of the present invention;
fig. 6 is a schematic side view of the first leg of the present invention;
fig. 7 is a schematic side view of a second leg of the present invention;
fig. 8 is a schematic side view of a third leg of the present invention;
fig. 9 is a schematic side view of a fourth leg of the present invention;
fig. 10 is a side view schematic diagram of the middle gluing construction work platform of the utility model.
The specific implementation mode is as follows:
referring to fig. 1, the device comprises a main frame 1, a first supporting leg 2, a second supporting leg 3, a third supporting leg 4, a fourth supporting leg 5, a gluing construction work platform 6, a main crown block 7 and an auxiliary crown block 8;
referring to fig. 2-3, the main frame comprises a left truss girder 1-1 and a right truss girder 1-1 which have the same structure, the front ends and the rear ends of the two truss girders are respectively connected with a connecting beam 1-2, each truss girder comprises an upper chord 1-1-1, a left lower chord 1-1-2 and a right lower chord 1-1-3 which are arranged side by side left and right, a left web member system 1-1-4 is connected between the upper chord and the left lower chord, and a right web member system 1-1-5 is connected between the upper chord and the right lower chord; and connecting longitudinal beams 1-1-6 are connected between the left lower chord beam and the right lower chord beam, namely two ends of each connecting longitudinal beam are respectively connected to the left lower chord beam and the right lower chord beam through bolts.
Referring to fig. 4, the left web member system 1-1-4 is composed of a plurality of first left web members 1-1-4-1 and second left web members 1-1-4-2, the upper ends of the first left web members are respectively connected to the upper chord member through bolts, the first left web members are gradually inclined forwards from top to bottom, the lower ends of the first left web members are respectively connected to the left lower chord member through bolts, and the first left web members are arranged in parallel; the upper end of the second left web member is respectively connected to the upper chord beam through a bolt, the second left web member is inclined from top to bottom gradually to the back, the lower end of the second left web member is respectively connected to the left lower chord beam through a bolt, and the second left web members are arranged in parallel. Each first left web member is crossed with the middle part of the second left web member on one side of the first left web member, a left connecting plate 1-1-4-3 is arranged at the crossed part of each first left web member and the second left web member, the left connecting plate is connected with the first left web member and the second left web member through bolts, a left upright post 1-1-4-4 extending downwards is further connected onto the left connecting plate through a bolt, the lower end of the left upright post is connected onto a left lower chord beam through a bolt, a first left pull rod 1-1-4-5 is arranged between every two adjacent left connecting plates, and the first left pull rod is connected with the left connecting plates on the two sides of the first left pull rod through bolts.
Referring to fig. 5, the right web member system 1-1-5 has the same structure as the left web member system, and is composed of a plurality of first right web members 1-1-5-1 and second right web members 1-1-5-2, wherein the upper ends of the first right web members are respectively connected to the upper chord beam through bolts, the first right web members are gradually inclined forward from top to bottom, the lower ends of the first right web members are respectively connected to the lower right chord beam through bolts, and the first right web members are arranged in parallel; the upper end of the right web member of the second is respectively connected to the upper chord beam through a bolt, the right web member of the second is inclined from top to bottom gradually to the back, the lower end of the right web member of the second is respectively connected to the lower right chord beam through a bolt, and the right web members of the second are arranged in parallel. Each first right web member is crossed with the middle part of the second right web member on one side of the first right web member, a right connecting plate 1-1-5-3 is arranged at the crossed part of each first right web member and the second right web member, the right connecting plate is connected with the first right web member and the second right web member through bolts, the right connecting plate is further connected with a right upright post 1-1-5-4 extending downwards through a bolt, the lower end of the right upright post is connected on a right lower chord through a bolt, a first right pull rod 1-1-5-5 is arranged between every two adjacent right connecting plates, and the first right pull rod is connected with the right connecting plates on the two sides of the first right pull rod through bolts.
The top of the two upper chord beams is provided with a crown block guide rail 1-1-1-1, and wheels of the main crown block and the auxiliary crown block are arranged on the crown block guide rail. An axial sliding rail 1-1-2-1 is fixed on the left end face of the left lower chord beam of the truss type main beam on the left side, and an axial sliding rail is also fixed on the right end face of the right lower chord beam of the truss type main beam on the right side. The hanger 9 is installed on the left and right lower chord beams.
Referring to fig. 6, the first support leg 2 includes two first columns 2-1, a plurality of first lower cross braces 2-2 and first upper cross braces 2-3 are arranged between the two first columns from bottom to top, the first lower cross braces and the first upper cross braces are arranged at intervals, two ends of each first lower cross brace and two ends of each first upper cross brace are respectively connected to the two first columns through bolts, and a first support rod 2-4 is connected between each first lower cross brace and the first upper cross brace above the first lower cross brace; the top parts of the two first upright posts are respectively fixed with a first movable outer sleeve 2-5, the upper parts of the first movable outer sleeves are provided with pin holes, and a first cross beam 2-6 is connected between the two first movable outer sleeves; the two first movable inner sleeves are provided with vertically arranged pin holes, the upper ends of the two first movable inner sleeves are fixedly provided with first upper trusses 2-8, and the two ends of each first upper truss are respectively connected to the upper chords of the two truss type main beams through hinged supports and pin shafts; the lower parts of the two first movable inner sleeves are respectively arranged in the two first movable outer sleeves, and the connection and fixation are realized by mounting pin shafts in pin holes of the first movable inner sleeves and the first movable outer sleeves; the cylinder bodies of the two first leg oil cylinders 2-9 are fixed on the first upper truss, and the cylinder rods of the two first leg oil cylinders are connected to the first cross beam.
Referring to fig. 7, the second leg 3 includes two second columns 3-1, a second leg lower beam 3-2 is fixed at the bottom of the second column, a second leg supporting beam 3-3 is fixed at the top of the second column, a cylinder body of a second leg jacking cylinder 3-4 is fixed on the second leg supporting beam, a second leg upper beam 3-5 is arranged above the second leg supporting beam, a cylinder rod of the second leg jacking cylinder is connected to the second leg upper beam, a plurality of holes are correspondingly arranged on the second leg upper beam and the second leg supporting beam, threaded steel bars 3-6 are arranged in the holes corresponding to the second leg upper beam and the second leg supporting beam, and when the second leg jacking cylinder works, the height of the second leg upper beam can be adjusted by loosening nuts on the threaded steel bars. The upper surface of the upper cross beam of the second support leg is fixedly provided with a left second support leg slide rail 3-7 and a right second support leg slide rail 3-7, wheels of two second support leg trolleys 3-8 are respectively arranged in the left second support leg slide rail and the right second support leg slide rail, second support leg trays 3-9 are respectively fixed on the two second support leg trolleys, a left lower chord beam and a right lower chord beam of one truss type main beam are fixed on a tray of one second support leg trolley, and a left lower chord beam and a right lower chord beam of the other truss type main beam are fixed on a tray of the other second support leg trolley. The cylinder bodies of the two second supporting leg longitudinal moving oil cylinders 3-10 are respectively fixed on the two second supporting leg trolleys, and the cylinder rods of the two second supporting leg longitudinal moving oil cylinders are respectively connected with the connecting longitudinal beams 1-1-6 between the left lower chord beam 1-1-2 and the right lower chord beam 1-1-3 of the two truss type main beams through pin shafts. The hydraulic support is characterized by further comprising two second support leg transverse moving oil cylinders 3-11 which are arranged on the left and right, wherein cylinder bodies of the two second support leg transverse moving oil cylinders are fixed between two second support leg sliding rails, a cylinder rod of the second support leg transverse moving oil cylinder on the left side is connected to the second support leg trolley on the left side, and a cylinder rod of the second support leg transverse moving oil cylinder on the right side is connected to the second support leg trolley on the right side. The two second supporting legs transversely move the oil cylinders to work, and the two truss type main beams can be transversely and finely adjusted.
Referring to fig. 8, the third support leg 4 includes two third support leg jacking cylinders 4-1, the cylinder rods of the two third support leg jacking cylinders are connected to a third support leg upper cross beam 4-2, a left third support leg slide rail 4-3 and a right third support leg slide rail 4-3 are fixed on the upper surface of the third support leg upper cross beam, wheels of two third support leg movable trolleys 4-4 are respectively arranged in the left third support leg slide rail and the right third support leg slide rail, third support leg trays 4-5 are fixed on the two third support leg trolleys, a left lower chord beam and a right lower chord beam of one truss type main beam are fixed on a third support leg tray of one third support leg trolley, and a left lower chord beam and a right lower chord beam of the other truss type main beam are fixed on a third support leg tray of the other third support leg trolley. The cylinder bodies of the two third supporting leg longitudinal moving oil cylinders 4-6 are respectively fixed on the two third supporting leg trolleys, and the cylinder rods of the two third supporting leg longitudinal moving oil cylinders are respectively connected with the connecting longitudinal beam between the left lower chord beam and the right lower chord beam of the two truss type main beams through pin shafts. The hydraulic support further comprises two third support leg transverse moving oil cylinders 4-7 which are arranged on the left and right, wherein cylinder bodies of the two third support leg transverse moving oil cylinders are fixed between two third support leg sliding rails, a cylinder rod of the third support leg transverse moving oil cylinder positioned on the left side is connected to the third support leg trolley positioned on the left side, and a cylinder rod of the third support leg transverse moving oil cylinder positioned on the right side is connected to the third support leg trolley positioned on the right side.
Referring to fig. 9, the fourth supporting leg 5 comprises a support 5-1, a fourth supporting leg beam 5-2 is fixed on the top of the support, the lower ends of two left inner sleeves 5-3 are fixed on the left side of the fourth supporting leg beam, the two left inner sleeves are both provided with a plurality of pin shaft mounting holes arranged up and down, the upper parts of the two left inner sleeves are respectively sleeved with a left outer sleeve 5-4, the two left outer sleeves are respectively provided with a pin shaft mounting hole, the left outer sleeve and the left inner sleeve are connected through a pin shaft mounted in the pin shaft mounting hole, the lower parts of the two left outer sleeves are connected with a fourth supporting leg left lower connecting beam 5-5, the upper parts of the two left outer sleeves are connected with a fourth supporting leg left upper connecting beam 5-6, the top parts of the two left outer sleeves are respectively connected with a left hinge base 5-7, and, and the cylinder body of the left jacking oil cylinder is fixed on the left lower connecting beam of the fourth supporting leg. The lower ends of two right inner sleeves 5-9 are fixed on the right side of a fourth supporting leg cross beam, a plurality of pin shaft mounting holes which are arranged up and down are arranged on the two right inner sleeves, the upper parts of the two right inner sleeves are respectively sleeved with a right outer sleeve 5-10, the two right outer sleeves are respectively provided with the pin shaft mounting holes, the right outer sleeves and the right inner sleeves are connected through pin shafts arranged in the pin shaft mounting holes, the lower parts of the two right outer sleeves are connected with a fourth supporting leg right lower connecting beam 5-11, the upper parts of the two right outer sleeves are connected with a fourth supporting leg right upper connecting beam 5-12, the top parts of the two right outer sleeves are respectively connected with a right hinged support 5-13, cylinder rods of right jacking oil cylinders 5-14 are fixed on the cross beam, and cylinder bodies of. The left lower chord beam and the right lower chord beam of one truss-type main beam are fixed on the two left hinged supports, and the left lower chord beam and the right lower chord beam of the other truss-type main beam are fixed on the two right hinged supports.
Referring to fig. 10, the gluing construction work platform 6 comprises a left ladder cage 6-1 and a right ladder cage 6-2, electric walking trolleys 6-3 are mounted at the tops of the left ladder cage and the right ladder cage, and wheels of the two electric walking trolleys are respectively arranged on a slide rail of a left lower chord beam of a truss-type main beam on the left side and a slide rail of a right lower chord beam of the truss-type main beam on the right side; the left end of the left working platform 6-4 is connected to the lower end of the left ladder cage through a pin shaft, and the right end of the right working platform 6-5 is connected to the lower end of the right ladder cage through a pin shaft; the right end of the left working platform is provided with a connecting sheet 6-6 extending rightwards, the left end of the right working platform is provided with a connecting sheet extending leftwards, pin shaft holes are formed in the two connecting sheets, and the pin shafts 6-7 are inserted into the pin shaft holes to realize the connection of the left working platform and the right working platform.
A left middle working platform 6-8 is arranged above the left working platform, the left end of the left middle working platform is fixed on the left ladder cage, a left upper working platform 6-9 is arranged above the left middle working platform, the left end of the left upper working platform is also fixed on the left ladder cage, and the edges of the left working platform, the left middle working platform and the left upper working platform are all fixed with upwardly extending guardrails; the left middle working platform and the left upper working platform are positioned on the left side of the beam body;
a right middle working platform 6-10 is arranged above the right working platform, the right end of the right middle working platform is fixed on the right ladder cage, a right upper working platform 6-11 is arranged above the right middle working platform, the right end of the right upper working platform is also fixed on the right ladder cage, and the edges of the right working platform, the right middle working platform and the right upper working platform are all fixed with upwardly extending guardrails; the right middle working platform and the right upper working platform are positioned on the right side of the beam body;
the left middle working platform and the right middle working platform are both provided with chain blocks 6-12, and hooks of the two chain blocks are hung on a guardrail of the left working platform and a guardrail of the right working platform respectively.
The lower end of the second left pull rod 6-13 is connected to the left working platform through a bolt, and the upper end of the second left pull rod extends into a connecting sleeve at the right end of the left middle working platform and is screwed down through a bolt; the lower ends of the second right pull rods 6-14 are connected to the right working platform through bolts, and the upper ends of the second right pull rods extend into the connecting sleeve at the left end of the right middle working platform and are screwed down through bolts.
Claims (1)
1. A bridge girder erection machine is characterized in that: the gluing device comprises a main frame (1), a first supporting leg (2), a second supporting leg (3), a third supporting leg (4), a fourth supporting leg (5), a gluing construction operation platform (6), a main overhead crane (7) and an auxiliary overhead crane (8);
the main frame comprises a left truss girder and a right truss girder (1-1) with the same structure, the front ends and the rear ends of the two truss girders are respectively connected with a connecting beam (1-2), each truss girder comprises an upper chord (1-1-1), a left lower chord (1-1-2) and a right lower chord (1-1-3) which are arranged side by side from left to right, a left web member system (1-1-4) is connected between the upper chord and the left lower chord, and a right web member system (1-1-5) is connected between the upper chord and the right lower chord; a connecting longitudinal beam (1-1-6) is connected between the left lower chord beam and the right lower chord beam, namely, two ends of the connecting longitudinal beam are respectively connected to the left lower chord beam and the right lower chord beam through bolts;
the left web member system (1-1-4) consists of a plurality of first left web members (1-1-4-1) and second left web members (1-1-4-2), the upper ends of the first left web members are respectively connected to the upper chord beam through bolts, the first left web members are gradually inclined forwards from top to bottom, the lower ends of the first left web members are respectively connected to the left lower chord beam through bolts, and the first left web members are arranged in parallel; the upper ends of the second left web members are respectively connected to the upper chord beam through bolts, the second left web members are gradually inclined backwards from top to bottom, the lower ends of the second left web members are respectively connected to the left lower chord beam through bolts, and the second left web members are arranged in parallel; each first left web member is crossed with the middle part of a second left web member on one side of the first left web member, a left connecting plate (1-1-4-3) is arranged at the crossed part of each first left web member and the second left web member, the left connecting plate is connected with the first left web member and the second left web member through bolts, the left connecting plate is further connected with a left upright post (1-1-4-4) extending downwards through a bolt, the lower end of the left upright post is connected on a left lower chord beam through a bolt, a first left pull rod (1-1-4-5) is arranged between every two adjacent left connecting plates, and the first left pull rod is connected with the left connecting plates on the two sides of the first left pull rod through bolts;
the right web member system (1-1-5) is the same as the left web member system in structure and comprises a plurality of first right web members (1-1-5-1) and second right web members (1-1-5-2), wherein the upper ends of the first right web members are respectively connected to the upper chord beam through bolts, the first right web members are gradually inclined forwards from top to bottom, the lower ends of the first right web members are respectively connected to the lower right chord beam through bolts, and the first right web members are arranged in parallel; the upper ends of the second right web members are respectively connected to the upper chord beam through bolts, the second right web members are gradually inclined backwards from top to bottom, the lower ends of the second right web members are respectively connected to the right lower chord beam through bolts, and the second right web members are arranged in parallel; each first right web member is crossed with the middle part of the second right web member on one side of the first right web member, a right connecting plate (1-1-5-3) is arranged at the crossed part of each first right web member and the second right web member, the right connecting plate is connected with the first right web member and the second right web member through bolts, the right connecting plate is also connected with a right upright post (1-1-5-4) extending downwards through a bolt, the lower end of the right upright post is connected on a right lower chord beam through a bolt, a first right pull rod (1-1-5-5) is arranged between two adjacent right connecting plates, and the first right pull rod is connected with the right connecting plates on two sides of the first right pull rod through bolts;
the top parts of the two upper chord beams are provided with crown block guide rails (1-1-1-1), and wheels of the main crown block and the auxiliary crown block are arranged on the crown block guide rails; an axial sliding rail (1-1-2-1) is fixed on the left end face of the left lower chord beam of the truss-type main beam on the left side, and an axial sliding rail is also fixed on the right end face of the right lower chord beam of the truss-type main beam on the right side;
the first supporting leg (2) comprises two first upright posts (2-1), a plurality of first lower cross braces (2-2) and first upper cross braces (2-3) are arranged between the two first upright posts from bottom to top, the first lower cross braces and the first upper cross braces are arranged at intervals, two ends of each first lower cross brace and two ends of each first upper cross brace are respectively connected to the two first upright posts through bolts, and a first supporting rod (2-4) is connected between each first lower cross brace and the first upper cross brace above the first lower cross brace; the tops of the two first upright posts are respectively fixed with a first movable outer sleeve (2-5), the upper parts of the first movable outer sleeves are provided with pin holes, and a first cross beam (2-6) is connected between the two first movable outer sleeves; the two first movable inner sleeves (2-7) are provided with vertically arranged pin holes, the upper ends of the two first movable inner sleeves are fixedly provided with first upper trusses (2-8), and the two ends of each first upper truss are respectively connected to the upper chord beams of the two truss type main beams through hinged supports and pin shafts; the lower parts of the two first movable inner sleeves are respectively arranged in the two first movable outer sleeves, and the connection and fixation are realized by mounting pin shafts in pin holes of the first movable inner sleeves and the first movable outer sleeves; the cylinder bodies of the two first leg oil cylinders (2-9) are fixed on the first upper truss, and the cylinder rods of the two first leg oil cylinders are connected to the first cross beam;
the second supporting leg (3) comprises two second upright columns (3-1), a lower cross beam (3-2) of the second supporting leg is fixed at the bottom of the second upright column, a supporting cross beam (3-3) of the second supporting leg is fixed at the top of the second upright column, a cylinder body of a jacking oil cylinder (3-4) of the second supporting leg is fixed on the supporting cross beam of the second supporting leg, an upper cross beam (3-5) of the second supporting leg is arranged above the supporting cross beam of the second supporting leg, a cylinder rod of the jacking oil cylinder of the second supporting leg is connected on the upper cross beam of the second supporting leg, a plurality of holes are correspondingly arranged on the upper cross beam of the second supporting leg and the supporting cross beam of the second supporting leg, threaded steel bars (3-6) are arranged in the holes corresponding to the upper cross beam of the second supporting leg and the supporting cross beam of the second supporting leg, a left second supporting leg slide rail and a right second supporting leg slide rail (3-7) are fixed on the upper surface of the, second support leg trays (3-9) are fixed on the two second support leg trolleys, the left lower chord beam and the right lower chord beam of one truss type main beam are fixed on the tray of one second support leg trolley, and the left lower chord beam and the right lower chord beam of the other truss type main beam are fixed on the tray of the other second support leg trolley; the cylinder bodies of the two second supporting leg longitudinal moving oil cylinders (3-10) are respectively fixed on the two second supporting leg trolleys, and the cylinder rods of the two second supporting leg longitudinal moving oil cylinders are respectively connected with the connecting longitudinal beams (1-1-6) between the left lower chord beam (1-1-2) and the right lower chord beam (1-1-3) of the two truss type main beams through pin shafts; the hydraulic support is characterized by further comprising two second support leg transverse moving oil cylinders (3-11) which are arranged on the left and right, wherein cylinder bodies of the two second support leg transverse moving oil cylinders are fixed between two second support leg sliding rails, a cylinder rod of the second support leg transverse moving oil cylinder positioned on the left side is connected to the second support leg trolley positioned on the left side, and a cylinder rod of the second support leg transverse moving oil cylinder positioned on the right side is connected to the second support leg trolley positioned on the right side;
the third supporting leg (4) comprises two third supporting leg jacking oil cylinders (4-1), cylinder rods of the two third supporting leg jacking oil cylinders are connected to a third supporting leg upper cross beam (4-2), a left third supporting leg sliding rail (4-3) and a right third supporting leg sliding rail (4-3) are fixed on the upper surface of the third supporting leg upper cross beam, wheels of two third supporting leg moving trolleys (4-4) are respectively arranged in the left third supporting leg sliding rail and the right third supporting leg sliding rail, third supporting leg trays (4-5) are fixed on the two third supporting leg trolleys, a left lower chord beam and a right lower chord beam of one truss-type main beam are fixed on the third supporting leg tray of one third supporting leg trolley, and a left lower chord beam and a right lower chord beam of the other truss-type main beam are fixed on the third supporting leg tray of the other third supporting leg trolley; the cylinder bodies of the two third support leg longitudinal moving oil cylinders (4-6) are respectively fixed on the two third support leg trolleys, and the cylinder rods of the two third support leg longitudinal moving oil cylinders are respectively connected with the connecting longitudinal beam between the left lower chord beam and the right lower chord beam of the two truss type main beams through pin shafts; the hydraulic support further comprises two third support leg transverse moving oil cylinders (4-7) which are arranged on the left and right, wherein cylinder bodies of the two third support leg transverse moving oil cylinders are fixed between the two third support leg sliding rails, a cylinder rod of the third support leg transverse moving oil cylinder positioned on the left side is connected to the third support leg trolley positioned on the left side, and a cylinder rod of the third support leg transverse moving oil cylinder positioned on the right side is connected to the third support leg trolley positioned on the right side;
the fourth supporting leg (5) comprises a support (5-1), a fourth supporting leg beam (5-2) is fixed at the top of the support, the lower ends of two left inner sleeves (5-3) are fixed at the left side of the fourth supporting leg beam, a plurality of pin shaft mounting holes which are arranged up and down are arranged on the two left inner sleeves, the upper parts of the two left inner sleeves are respectively sleeved with a left outer sleeve (5-4), the two left outer sleeves are respectively provided with a pin shaft mounting hole, the left outer sleeve and the left inner sleeve are connected through a pin shaft arranged in the pin shaft mounting hole, the lower parts of the two left outer sleeves are connected with a fourth supporting leg left lower connecting beam (5-5), the upper parts of the two left outer sleeves are connected with a fourth supporting leg left upper connecting beam (5-6), the top parts of the two left outer sleeves are respectively connected with a left hinged support (5-7), and a cylinder rod of, the cylinder body of the left jacking oil cylinder is fixed on the left lower connecting beam of the fourth supporting leg; the lower ends of two right inner sleeves (5-9) are fixed on the right side of a fourth supporting leg cross beam, a plurality of pin shaft mounting holes which are arranged up and down are arranged on the two right inner sleeves, right outer sleeves (5-10) are respectively sleeved on the upper parts of the two right inner sleeves, pin shaft mounting holes are respectively arranged on the two right outer sleeves, the right outer sleeves and the right inner sleeves are connected through pin shafts arranged in the pin shaft mounting holes, the lower parts of the two right outer sleeves are connected with fourth supporting leg right lower connecting beams (5-11), the upper parts of the two right outer sleeves are connected with fourth supporting leg right upper connecting beams (5-12), the tops of the two right outer sleeves are respectively connected with right hinged supports (5-13), cylinder rods of right jacking cylinders (5-14) are fixed on the cross beam, and cylinder bodies of the right jacking cylinders are fixed; the left lower chord beam and the right lower chord beam of one truss-type main beam are connected to the two left hinged supports, and the left lower chord beam and the right lower chord beam of the other truss-type main beam are connected to the two right hinged supports;
the gluing construction work platform (6) comprises a left ladder cage (6-1) and a right ladder cage (6-2), electric walking trolleys (6-3) are mounted at the tops of the left ladder cage and the right ladder cage, and wheels of the two electric walking trolleys are respectively arranged on a slide rail of a left lower chord beam of the truss type main beam on the left side and a slide rail of a right lower chord beam of the truss type main beam on the right side; the left end of the left working platform (6-4) is connected to the lower end of the left ladder cage through a pin shaft, and the right end of the right working platform (6-5) is connected to the lower end of the right ladder cage through a pin shaft; the right end of the left working platform is provided with a connecting sheet (6-6) extending rightwards, the left end of the right working platform is provided with a connecting sheet extending leftwards, pin shaft holes are formed in the two connecting sheets, and a pin shaft (6-7) is inserted into the pin shaft holes to realize the connection of the left working platform and the right working platform;
a left middle working platform (6-8) is arranged above the left working platform, the left end of the left middle working platform is fixed on the left ladder cage, a left upper working platform (6-9) is arranged above the left middle working platform, the left end of the left upper working platform is also fixed on the left ladder cage, and the edges of the left working platform, the left middle working platform and the left upper working platform are all fixed with upwardly extending guardrails; the left middle working platform and the left upper working platform are positioned on the left side of the beam body;
a right middle working platform (6-10) is arranged above the right working platform, the right end of the right middle working platform is fixed on the right ladder cage, a right upper working platform (6-11) is arranged above the right middle working platform, the right end of the right upper working platform is also fixed on the right ladder cage, and the edges of the right working platform, the right middle working platform and the right upper working platform are all fixed with upwardly extending guardrails; the right middle working platform and the right upper working platform are positioned on the right side of the beam body;
chain blocks (6-12) are arranged on the left middle working platform and the right middle working platform, and hooks of the two chain blocks are hung on a guardrail of the left working platform and a guardrail of the right working platform respectively;
the lower end of a second left pull rod (6-13) is connected to the left working platform through a bolt, and the upper end of the second left pull rod extends into a connecting sleeve at the right end of the left middle working platform and is screwed down through a bolt; the lower end of the second right pull rod (6-14) is connected to the right working platform through a bolt, and the upper end of the second right pull rod extends into the connecting sleeve at the left end of the right middle working platform and then is screwed down through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677259.7U CN213389734U (en) | 2020-08-13 | 2020-08-13 | Bridge erecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677259.7U CN213389734U (en) | 2020-08-13 | 2020-08-13 | Bridge erecting machine |
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| Publication Number | Publication Date |
|---|---|
| CN213389734U true CN213389734U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021677259.7U Active CN213389734U (en) | 2020-08-13 | 2020-08-13 | Bridge erecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213389734U (en) |
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2020
- 2020-08-13 CN CN202021677259.7U patent/CN213389734U/en active Active
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