CN115961562A - Steel-concrete composite beam bridge assembling device and method - Google Patents

Abstract

The invention relates to the technical field of bridge assembly, and discloses a steel-concrete composite beam bridge assembly device and a method, which solve the problem that other equipment is required for assisting unhooking so that a steel-concrete composite beam is separated from a bridge erecting machine and unhooking work cannot be conveniently completed; when the combined beam moves to the designated position, the fixed relation between the bridge girder erection machine and the combined beam is conveniently released.

Description

Steel-concrete composite beam bridge assembling device and method

Technical Field

The invention belongs to the technical field of bridge assembly, and particularly relates to a device and a method for assembling a steel-concrete composite beam bridge.

Background

The proportion of prefabricated assembly beams in urban bridges is increased day by day, although the process is mature, the construction difficulty is larger in the traditional structures of prefabricated box beams, hollow plates and the like, the steel-concrete composite beam is formed into a whole by connecting two materials of steel and concrete, the tensile property of steel and the compression resistance of concrete are fully exerted, and during the construction of the steel-concrete composite beam, the steel-concrete composite beam is prefabricated in a factory, then the steel-concrete composite beam is transported to the bridge construction position, and then the steel-concrete composite beam is hoisted and assembled by a bridge girder erection machine.

However, the inventor finds that the steel-concrete composite beam is generally hung on a lifting hook in the assembling process, and when the steel-concrete composite beam moves to a specified position, other equipment is required to assist in unhooking so that the steel-concrete composite beam is separated from a bridge girder erection machine, and unhooking cannot be conveniently completed.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the steel-concrete composite beam bridge assembly device and the method, which effectively solve the problem that in the background technology, other equipment is required for assisting in unhooking so that the steel-concrete composite beam is separated from the bridge girder erection machine and unhooking cannot be conveniently completed.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a steel-mix combination beam bridge assembly quality machine, including supporting the base, the top of supporting the base is equipped with the adjustable shelf, two first rectangular holes have been seted up on the support base, be equipped with sliding connection's fly leaf in the first rectangular hole, the top of fly leaf is equipped with the sliding plate, and the adjustable shelf runs through the sliding plate, the adjustable shelf is connected through the depressor with the support base, two second rectangular holes have been seted up on the fly leaf, be equipped with sliding connection's sliding seat in the second rectangular hole, the top of adjustable shelf is equipped with the roof, roof and support base are connected through first supporting part, it has the lifter plate to run through on the slide seat, lifter plate and sliding plate sliding connection, a plurality of jacks have been seted up on the roof, be equipped with the plug-in spare of locking with jack matched with on the lifter plate, the bottom fixedly connected with fixed cover of slide seat, the bottom of lifter plate and the pinion rack fixed connection who is located in the fixed cover, the both sides of fixed cover are equipped with the pivot of rotation connection respectively, the outside cover of pivot is equipped with the gear of fixed connection's gear, the through-hole has been seted up on the fixed cover with gear matched with the gear, two gears respectively mesh with the pinion rack, fixedly connected with the clamping jaw on the pivot.

Preferably, the locking plug-in components include the inserted block that sets up in the lifter plate top, and the bottom fixedly connected with fixing base of inserted block, fixing base are located the top of sliding plate, two fixed columns of bottom fixedly connected with of fixing base, and the outside cover of fixed column is equipped with the slip cap, and the bottom and the lifter plate of slip cap pass through first connecting portion and connect, and the inserted block is pegged graft in one of them jack that corresponds, is equipped with on the inserted block with roof matched with and ends and weigh down the ware.

Preferably, end and weigh down the ware and set up in the stopper of inserted block both sides including the symmetry, be equipped with the inclined plane on the stopper, the recess has been seted up respectively to the both sides of inserted block, and the one end of stopper is located the recess, and the one end of stopper and the inner wall of recess pass through compression spring to be connected, and the bottom of stopper and the top of roof contact, and the top of fixing base and the bottom of roof contact.

Preferably, the inner walls of the two sides of the first rectangular hole are respectively provided with a first sliding groove, the two sides of the movable plate are respectively fixedly connected with a first sliding block, the first sliding block is located in the first sliding groove, the movable plate is slidably installed in the first rectangular hole through the design of the first sliding groove and the first sliding block, the inner walls of the two sides of the second rectangular hole are respectively provided with a second sliding groove, the two sides of the sliding seat are respectively fixedly connected with a second sliding block, the second sliding block is located in the second sliding groove, and the sliding seat is slidably installed in the second rectangular hole through the design of the second sliding groove and the second sliding block.

Preferably, the lifting plate is fixedly connected with a first guide block, the sliding plate is provided with a first guide groove matched with the first guide block, the first guide block is positioned in the first guide groove, the cross sections of the first guide groove and the first guide block are both in a T-shaped structure, and the lifting plate is connected with the sliding plate in a sliding manner through the design of the first guide groove and the first guide block.

Preferably, be equipped with the limiting plate in the clamping jaw, the clamping jaw is C shape structure, and the top and the bottom of limiting plate contact with the clamping jaw respectively, fixedly connected with lead screw on the limiting plate, the outside cover of lead screw is equipped with the thread bush, and the thread bush runs through the clamping jaw, and the junction of thread bush and clamping jaw is equipped with the bearing.

Preferably, the outside cover of thread bush is equipped with fixed ring of fixed connection, and fixed ring and clamping jaw pass through bolted connection.

Preferably, the both sides of pinion rack fixedly connected with second guide block respectively sets up the second guide way with second guide block matched with on the inner wall of fixed cover, and the second guide block is located the second guide way, and the bilateral symmetry of fixed cover is equipped with the curb plate, and curb plate and fixed cover pass through the second connecting portion and connect, and the both ends of pivot are connected with the curb plate through the bearing respectively.

Preferably, the pressing device comprises a plurality of supports fixedly mounted on the movable frame, the supports penetrate through the supporting base, the bottom of the supporting base is connected with the supports through hydraulic telescopic rods, a plurality of second supporting portions are fixedly connected onto the supporting base, hanging pieces are arranged above the top plate, and the second supporting portions are connected with the hanging pieces through connecting ropes.

The invention also provides a method for assembling the steel-concrete composite beam bridge, which comprises the device for assembling the steel-concrete composite beam bridge, and comprises the following steps of:

the method comprises the following steps: the supporting base is arranged on the bridge girder erection machine, and a worker pushes the movable plates to slide in the first rectangular hole through a tool so as to change the distance between the two movable plates;

step two: the worker pushes the sliding seats to slide in the second rectangular holes through a tool so as to change the distance between two adjacent sliding seats and further adjust the position of the clamping jaw so as to change the supporting point of the combined beam suspension;

step three: after the position of the clamping jaw is adjusted, the position of the lifting plate is limited through the design of the locking plug-in unit, and the lifting plate is prevented from shaking in the horizontal direction, so that the sliding seat is fixed relative to the supporting base;

step four: the lower presser drives the movable frame to move downwards, so that the sliding plate drives the lifting plate and the toothed plate to move downwards, the toothed plate drives two adjacent gears to rotate in different directions, two adjacent rotating shafts respectively drive two clamping jaws to move away from each other, so that the two clamping jaws are opened, and the suspension part of the combined beam is placed between the two clamping jaws;

step five: after the placement is finished, the lower pressure device drives the movable frame to move upwards so as to reset the initial height of the sliding plate and the lifting plate, the two adjacent clamping jaws are closed to finish the fixation of the suspension part of the combined beam, and the bridge girder erection machine drives the supporting base to move to a specified position so as to move the combined beam to the specified position;

step six: the lower presser drives the movable frame to move downwards, so that the sliding plate drives the lifting plate and the toothed plate to move downwards, the two clamping jaws are opened again, the bridge erecting machine drives the support base to move upwards, the hanging part of the combined beam is separated from the two clamping jaws, and the combined beam can be released from being fixed, so that the combined beam is assembled to a specified position.

Compared with the prior art, the invention has the beneficial effects that:

(1) The support base is installed on the bridge girder erection machine, a worker pushes the movable plates to slide in the first rectangular hole through a tool to change the distance between the two movable plates, the worker pushes the sliding seats to slide in the second rectangular hole through the tool to change the distance between the two adjacent sliding seats so as to adjust the positions of the clamping jaws to change the supporting point of the suspension of the combined beam, after the position of the clamping jaws is adjusted, the horizontal direction of the lifting plate is prevented from shaking through the design of locking and connecting the plug-in units to limit the position of the lifting plate, so that the sliding seats are fixed relative to the support base, the movable frame is driven to move downwards through the press-down device so as to drive the lifting plate and the toothed plate to move downwards, the two adjacent gears are driven to rotate in different directions, the two adjacent rotating shafts respectively drive the two clamping jaws to move away from each other so as to open the two clamping jaws, the suspension part of the combined beam is placed between the two clamping jaws, after the suspension part is placed, the lower pressure device drives the movable frame to move upwards to reset the initial height of the sliding plate and the lifting plate, the two adjacent clamping jaws are closed to finish the fixation of the suspension part of the combined beam, the bridge girder erection machine drives the support base to move to a specified position, so that the combined beam moves to the specified position, the lower pressure device drives the movable frame to move downwards to drive the lifting plate and the toothed plate to move downwards, the two clamping jaws are opened again, the bridge girder erection machine drives the support base to move upwards, the suspension part of the combined beam is separated from the two clamping jaws, the fixation of the combined beam can be released, the combined beam is assembled to the specified position, and when the combined beam moves to the specified position, the fixed relation between the bridge girder erection machine and the combined beam is conveniently released;

(2) After the position of the clamping jaw is adjusted, a worker pushes the fixing seat to move upwards through a tool, the fixing column slides in the sliding sleeve, so that the insertion block is inserted into the corresponding insertion hole, the limiting block slides into the groove, the limiting block moves in the insertion hole in the vertical direction, the compression spring is in a compression state, when the insertion block reaches a preset height, the top of the fixing seat is in contact with the bottom of the top plate, the horizontal position of the bottom of the limiting block is consistent with the horizontal position of the top plate, the compression spring pushes the limiting block to move, so that one end of the limiting block moves to the top of the top plate, the limiting block and the fixing seat clamp the top plate, so that the insertion block is fixed relative to the top plate, the lifting plate and the sliding seat are limited in position, so that the sliding seat is fixed relative to the top plate, the sliding seat is prevented from shaking in the horizontal direction, and meanwhile, the lifting plate can move relative to the vertical direction of the fixing seat and cannot move in the horizontal direction;

(3) The movable plate is arranged in the first rectangular hole in a sliding mode through the design of the first sliding groove and the first sliding block, the sliding seat is arranged in the second rectangular hole in a sliding mode through the design of the second sliding groove and the second sliding block, and the lifting plate is connected with the sliding plate in a sliding mode through the design of the first guide groove and the first guide block;

(4) The screw sleeve is driven to rotate by a worker through a tool so that the screw rod and the limiting plate move relative to the clamping jaw, the distance between two adjacent limiting plates can be changed according to the size of the combined beam hanging part, the possibility that the combined beam hanging part shakes on the clamping jaw is reduced, after the limiting plate is adjusted, the bolt is driven to penetrate through the fixing ring through the tool manually, one end of the bolt is screwed into the clamping jaw, so that the fixing ring and the screw sleeve are fixed relative to the clamping jaw, and the fixing ring and the screw sleeve are prevented from rotating due to non-human factors;

(5) The utility model discloses a bridge crane, including a first supporting part, a second supporting part, a hanger, a lifting hook, through the design of second guide way and second guide block, so that the steady removal of pinion rack vertical direction, through the curb plate, the design of second connecting portion and bearing, so that the fixed cover rotation of pivot relatively is connected, through support and hydraulic telescoping rod's design, the vertical direction of hydraulic telescoping rod drive support removes, so that the roof can support the vertical direction of base relatively and remove, and then can change the height of sliding plate and lifter plate, through the second supporting part, the design of hanger and connection rope, the hanger hangs on bridge crane's lifting hook, so that support base fixed mounting in bridge crane.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of the movable frame of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B in accordance with the present invention;

FIG. 5 is a schematic view of a movable plate according to the present invention;

FIG. 6 is a schematic view of the slide plate of the present invention in cross section;

fig. 7 is a structural schematic view of the cutting of the fixing sleeve of the present invention;

figure 8 is a schematic view of the structure of the clamping jaw of the invention.

In the figure: 1. a support base; 2. a movable frame; 3. a first rectangular hole; 4. a movable plate; 5. a sliding plate; 6. a second rectangular hole; 7. a sliding seat; 8. a top plate; 9. a first support section; 10. a lifting plate; 11. fixing a sleeve; 12. a through hole; 13. a gear; 14. a rotating shaft; 15. a clamping jaw; 16. a toothed plate; 17. a fixed seat; 18. fixing a column; 19. a sliding sleeve; 20. a first connection portion; 21. inserting a block; 22. a groove; 23. a limiting block; 24. a compression spring; 25. a jack; 26. a first chute; 27. a first slider; 28. a second chute; 29. a second slider; 30. a first guide groove; 31. a first guide block; 32. a limiting plate; 33. a screw rod; 34. a threaded sleeve; 35. a fixing ring; 36. a bolt; 37. a side plate; 38. a second guide groove; 39. a second guide block; 40. a second connecting portion; 41. a support; 42. a hydraulic telescopic rod; 43. a second support portion; 44. a suspension member; 45. and (7) connecting the ropes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, 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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 8, the present invention includes a support base 1, a movable frame 2 is disposed above the support base 1, two first rectangular holes 3 are formed in the support base 1, a slidably connected movable plate 4 is disposed in the first rectangular hole 3, a sliding plate 5 is disposed above the movable plate 4, the movable frame 2 penetrates through the sliding plate 5, the movable frame 2 and the support base 1 are connected by a depressor, two second rectangular holes 6 are formed in the movable plate 4, a slidably connected sliding seat 7 is disposed in the second rectangular holes 6, a top plate 8 is disposed above the movable frame 2, the top plate 8 and the support base 1 are connected by a first supporting portion 9, a lifting plate 10 penetrates through the sliding seat 7, the lifting plate 10 and the sliding plate 5 are slidably connected, a plurality of insertion holes 25 are formed in the top plate 8, a locking plug-in unit matched with the insertion holes 25 is disposed on the lifting plate 10, a fixed fixing sleeve 11 is fixedly connected to the bottom of the sliding seat 7, the bottom end of the lifting plate 10 is fixedly connected to a fixing sleeve 16 located in the fixing sleeve 11, two sides of the fixing sleeve 11 are respectively provided with rotatably connected rotating shafts 14, a gear fixedly connected gear 13, a gear plate 13 is sleeved on the outside the rotating shaft 14, and two gear plates are respectively engaged with a gear plate 13, and a gear plate 13 fixed jaw fixed in the fixing jaw 13; the movable frame 2 is driven to move downwards by the presser, so that the sliding plate 5 drives the lifting plate 10 and the toothed plate 16 to move downwards, the toothed plate 16 drives the two adjacent gears 13 to rotate in different directions, the two adjacent rotating shafts 14 respectively drive the two clamping jaws 15 to move away from each other, so that the two clamping jaws 15 are opened, the suspension part of the combined beam is placed between the two clamping jaws 15, after the placement is completed, the movable frame 2 is driven to move upwards by the presser to reset the initial height of the sliding plate 5 and the lifting plate 10, the two adjacent clamping jaws 15 are closed, the suspension part of the combined beam is fixed by driving the supporting base 1 to move to a specified position by the bridge girder erection machine, so that the combined beam is moved to the specified position, the movable frame 2 is driven to move downwards by the presser, so that the sliding plate 5 drives the lifting plate 10 and the toothed plate 16 to move downwards, the two clamping jaws 15 are opened again, the supporting base 1 is driven to move upwards by the bridge girder erection machine, the suspension part of the combined beam is separated from the two clamping jaws 15, and the fixed combined beam can be released, and the combined beam is assembled to the specified position.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, the locking plug-in includes an insertion block 21 disposed above the lifting plate 10, a fixed seat 17 is fixedly connected to the bottom of the insertion block 21, the fixed seat 17 is located above the sliding plate 5, two fixed columns 18 are fixedly connected to the bottom of the fixed seat 17, a sliding sleeve 19 is sleeved outside the fixed column 18, the bottom end of the sliding sleeve 19 is connected to the lifting plate 10 through a first connecting portion 20, the insertion block 21 is inserted into one of corresponding insertion holes 25, a falling stopper matched with the top plate 8 is disposed on the insertion block 21, the falling stopper includes limiting blocks 23 symmetrically disposed on both sides of the insertion block 21, inclined surfaces are disposed on the limiting blocks 23, grooves 22 are respectively disposed on both sides of the insertion block 21, one end of the limiting block 23 is located in the groove 22, one end of the limiting block 23 is connected to the inner wall of the groove 22 through a compression spring 24, the bottom of the limiting block 23 contacts with the top of the top plate 8, and the top of the fixed seat 17 contacts with the top plate 8;

after the position adjustment of clamping jaw 15 finishes, the staff promotes fixing base 17 to move up through the instrument, fixed column 18 slides in slip cap 19, so that inserted block 21 inserts in the jack 25 that corresponds, stopper 23 slides in recess 22 simultaneously, stopper 23 moves in jack 25 vertical direction, compression spring 24 is in compression state, when inserted block 21 reaches predetermined height, the top of fixing base 17 and the bottom of roof 8 contact, and the bottom horizontal position of stopper 23 is unanimous with the top horizontal position of roof 8, compression spring 24 promotes stopper 23 and moves, so that the one end of stopper 23 moves to the top of roof 8, stopper 23 and fixing base 17 grasp roof 8, so that inserted block 21 is fixed relative to roof 8, the position of spacing lifter plate 10 and sliding seat 7, so that sliding seat 7 is fixed relative to roof 8, avoid sliding seat 7 horizontal direction to rock, lifter plate 10 can move relative to fixing base 17 vertical direction simultaneously, can not move horizontal direction.

In the third embodiment, based on the first embodiment, as shown in fig. 2, 4, 5 and 6, the inner walls of the two sides of the first rectangular hole 3 are respectively provided with a first sliding slot 26, the two sides of the movable plate 4 are respectively and fixedly connected with a first sliding block 27, the first sliding block 27 is located in the first sliding slot 26, the movable plate 4 is slidably installed in the first rectangular hole 3 through the design of the first sliding slot 26 and the first sliding block 27, the inner walls of the two sides of the second rectangular hole 6 are respectively provided with a second sliding slot 28, the two sides of the sliding seat 7 are respectively and fixedly connected with a second sliding block 29, the second sliding block 29 is located in the second sliding slot 28, and the sliding seat 7 is slidably installed in the second rectangular hole 6 through the design of the second sliding slot 28 and the second sliding block 29; the lifting plate 10 is fixedly connected with a first guide block 31, the sliding plate 5 is provided with a first guide groove 30 matched with the first guide block 31, the first guide block 31 is positioned in the first guide groove 30, the cross sections of the first guide groove 30 and the first guide block 31 are both T-shaped structures, and the lifting plate 10 is connected with the sliding plate 5 in a sliding mode through the design of the first guide groove 30 and the first guide block 31.

In a fourth embodiment, on the basis of the first embodiment, as shown in fig. 7 and 8, a limiting plate 32 is arranged in the clamping jaw 15, the clamping jaw 15 is of a C-shaped structure, the top and the bottom of the limiting plate 32 are respectively contacted with the clamping jaw 15, a lead screw 33 is fixedly connected to the limiting plate 32, a thread sleeve 34 is sleeved outside the lead screw 33, the thread sleeve 34 penetrates through the clamping jaw 15, a bearing is arranged at the joint of the thread sleeve 34 and the clamping jaw 15, a fixing ring 35 which is fixedly connected is sleeved outside the thread sleeve 34, and the fixing ring 35 is connected with the clamping jaw 15 through a bolt 36;

the staff passes through the rotation of instrument drive thread bush 34, so that lead screw 33 and the relative clamping jaw 15 of limiting plate 32 remove, can be according to the size of combination beam suspension portion, change the distance between two adjacent limiting plates 32, reduce the possibility that combination beam suspension portion rocked on clamping jaw 15, limiting plate 32 position control finishes the back, the manual work passes through solid fixed ring 35 through instrument drive bolt 36, and in the one end screw in clamping jaw 15 of bolt 36, so that solid fixed ring 35 and the relative clamping jaw 15 of thread bush 34 are fixed, avoid solid fixed ring 35 and thread bush 34 to rotate because of non-human factor.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 1, 2 and 7, two sides of the toothed plate 16 are respectively and fixedly connected with a second guide block 39, an inner wall of the fixed sleeve 11 is provided with a second guide groove 38 matched with the second guide block 39, the second guide block 39 is located in the second guide groove 38, two sides of the fixed sleeve 11 are symmetrically provided with side plates 37, the side plates 37 are connected with the fixed sleeve 11 through second connecting portions 40, two ends of the rotating shaft 14 are respectively connected with the side plates 37 through bearings, the down-press device comprises a plurality of brackets 41 fixedly installed on the movable frame 2, the brackets 41 penetrate through the supporting base 1, the bottom of the supporting base 1 is connected with the brackets 41 through hydraulic telescopic rods 42, the supporting base 1 is fixedly connected with a plurality of second supporting portions 43, a hanging piece 44 is arranged above the top plate 8, and the second supporting portions 43 are connected with the hanging piece 44 through connecting ropes 45;

through the design of second guide way 38 and second guide block 39, so that the pinion rack 16 moves steadily in the vertical direction, through the design of curb plate 37, second connecting portion 40 and bearing, so that pivot 14 rotates relatively fixed cover 11 and connects, through the design of support 41 and hydraulic telescoping rod 42, hydraulic telescoping rod 42 drives support 41 to move in the vertical direction, so that roof 8 can move relatively supporting base 1 in the vertical direction, and then can change the height of sliding plate 5 and lifter plate 10, through the design of second supporting portion 43, hanger 44 and connecting rope 45, hanger 44 hangs on the lifting hook of bridge girder erection machine, so that supporting base 1 is fixedly mounted in bridge girder erection machine.

The method for assembling the steel-concrete composite beam bridge comprises the following steps:

the method comprises the following steps: the supporting base 1 is arranged on a bridge girder erection machine, and a worker pushes the movable plates 4 to slide in the first rectangular holes 3 through a tool so as to change the distance between the two movable plates 4;

step two: the worker pushes the sliding seats 7 to slide in the second rectangular holes 6 through a tool so as to change the distance between two adjacent sliding seats 7 and further adjust the positions of the clamping jaws 15 so as to change the supporting points for hanging the combined beam;

step three: after the position of the clamping jaw 15 is adjusted, the position of the lifting plate 10 is limited through the design of locking and connecting the plug-in units, and the lifting plate 10 is prevented from shaking in the horizontal direction, so that the sliding seat 7 is fixed relative to the supporting base 1;

step four: the lower presser drives the movable frame 2 to move downwards, so that the sliding plate 5 drives the lifting plate 10 and the toothed plate 16 to move downwards, the toothed plate 16 drives the two adjacent gears 13 to rotate in different directions, the two adjacent rotating shafts 14 respectively drive the two clamping jaws 15 to move away from each other, so that the two clamping jaws 15 are opened, and the suspension part of the combined beam is placed between the two clamping jaws 15;

step five: after the placement is finished, the pressure device drives the movable frame 2 to move upwards so as to reset the sliding plate 5 and the lifting plate 10 to the initial height, the two adjacent clamping jaws 15 are closed to finish the fixation of the suspension part of the combined beam, and the bridge girder erection machine drives the support base 1 to move to the designated position so as to move the combined beam to the designated position;

step six: the lower press drives the movable frame 2 to move downwards, so that the sliding plate 5 drives the lifting plate 10 and the toothed plate 16 to move downwards, the two clamping jaws 15 are opened again, the bridge girder erection machine drives the support base 1 to move upwards, the hanging part of the combined beam is separated from the two clamping jaws 15, and then the combined beam can be released from being fixed, and the combined beam is assembled to a specified position.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a steel-concrete composite beam bridge assembly quality machine, includes support base (1), its characterized in that: the movable rack (2) is arranged above the supporting base (1), two first rectangular holes (3) are formed in the supporting base (1), a movable plate (4) in sliding connection is arranged in each first rectangular hole (3), a sliding plate (5) is arranged above each movable plate (4), each movable rack (2) penetrates through each sliding plate (5), each movable rack (2) is connected with the supporting base (1) through a hold-down device, two second rectangular holes (6) are formed in each movable plate (4), a sliding seat (7) in sliding connection is arranged in each second rectangular hole (6), a top plate (8) is arranged above each movable rack (2), each top plate (8) is connected with the supporting base (1) through a first supporting portion (9), a lifting plate (10) penetrates through each sliding seat (7), each lifting plate (10) is in sliding connection with each sliding plate (5), a plurality of inserting holes (25) are formed in each top plate (8), locking inserts matched with the corresponding to the inserting holes (25) are arranged on the corresponding inserting holes (10), the bottoms of the sliding seats (7) are fixedly connected with the bottom ends of the lifting plates (10), rotating fixing sleeves (14) are respectively arranged on the rotating shafts (14) which are fixedly connected with the rotating shafts (11) of the corresponding fixed sleeves, and the rotating fixed sleeves (14) are arranged on the rotating shafts (14) which are arranged on the two sides of the rotating fixed sleeves of the rotating shafts (11), the fixed sleeve (11) is provided with a through hole (12) matched with the gears (13), the two gears (13) are respectively meshed with the toothed plate (16) in the fixed sleeve (11), and the rotating shaft (14) is fixedly connected with a clamping jaw (15).

2. The steel-concrete composite beam bridge assembly machine of claim 1, wherein: the locking plug-in components are including setting up in inserted block (21) of lifter plate (10) top, the bottom fixedly connected with fixing base (17) of inserted block (21), fixing base (17) are located the top of sliding plate (5), two fixed columns (18) of bottom fixedly connected with of fixing base (17), the outside cover of fixed column (18) is equipped with sliding sleeve (19), the bottom and lifter plate (10) of sliding sleeve (19) are connected through first connecting portion (20), inserted block (21) are pegged graft in one of them jack (25) that correspond, be equipped with on inserted block (21) with roof (8) matched with and end the ware of weighing down.

3. The steel-concrete composite beam bridge assembly machine of claim 2, wherein: stop weighing down ware including the symmetry set up in stopper (23) of inserted block (21) both sides, be equipped with the inclined plane on stopper (23), recess (22) have been seted up respectively to the both sides of inserted block (21), the one end of stopper (23) is located recess (22), the one end of stopper (23) and the inner wall of recess (22) pass through compression spring (24) and connect, the bottom of stopper (23) and the top of roof (8) contact, the top of fixing base (17) and the bottom of roof (8) contact mutually.

4. The steel-concrete composite beam bridge assembly machine of claim 1, wherein: first spout (26) have been seted up respectively to the both sides inner wall of first rectangular hole (3), the both sides of fly leaf (4) are first slider (27) of fixedly connected with respectively, and first slider (27) are located first spout (26), through the design of first spout (26) and first slider (27), so that fly leaf (4) slidable mounting is in first rectangular hole (3), second spout (28) have been seted up respectively to the both sides inner wall of second rectangular hole (6), the both sides of sliding seat (7) are fixedly connected with second slider (29) respectively, and second slider (29) are located second spout (28), through the design of second spout (28) and second slider (29), so that sliding seat (7) slidable mounting is in second rectangular hole (6).

5. The steel-concrete composite beam bridge assembly machine of claim 1, wherein: fixedly connected with first guide block (31) on lifter plate (10), seted up on sliding plate (5) with first guide block (31) matched with first guide way (30), and first guide block (31) are located first guide way (30), the cross-section of first guide way (30) and first guide block (31) is T shape structure, through the design of first guide way (30) and first guide block (31), so that lifter plate (10) and sliding plate (5) sliding connection.

6. The steel-concrete composite beam bridge assembly device machine of claim 1, wherein: be equipped with limiting plate (32) in clamping jaw (15), clamping jaw (15) are C shape structure, and the top and the bottom of limiting plate (32) contact with clamping jaw (15) respectively, fixedly connected with lead screw (33) on limiting plate (32), and the outside cover of lead screw (33) is equipped with thread bush (34), and thread bush (34) run through clamping jaw (15), and the junction of thread bush (34) and clamping jaw (15) is equipped with the bearing.

7. The steel-concrete composite beam bridge assembly machine of claim 6, wherein: the outside cover of thread bush (34) is equipped with fixed ring (35) of fixed connection, and fixed ring (35) and clamping jaw (15) are connected through bolt (36).

8. The steel-concrete composite beam bridge assembly machine of claim 1, wherein: both sides of pinion rack (16) are fixedly connected with second guide block (39) respectively, seted up on the inner wall of fixed cover (11) with second guide block (39) matched with second guide way (38), and second guide block (39) are located second guide way (38), the bilateral symmetry of fixed cover (11) is equipped with curb plate (37), curb plate (37) and fixed cover (11) are connected through second connecting portion (40), the both ends of pivot (14) are connected with curb plate (37) through the bearing respectively.

9. The steel-concrete composite beam bridge assembly machine of claim 1, wherein: the lower pressing device comprises a plurality of supports (41) fixedly installed on the movable frame (2), the supports (41) penetrate through the supporting base (1), the bottom of the supporting base (1) is connected with the supports (41) through a hydraulic telescopic rod (42), a plurality of second supporting portions (43) are fixedly connected to the supporting base (1), a hanging piece (44) is arranged above the top plate (8), and the second supporting portions (43) are connected with the hanging piece (44) through connecting ropes (45).

10. A method of assembling a steel-concrete composite girder bridge, comprising the steel-concrete composite girder bridge assembling apparatus according to claim 1, wherein: the method comprises the following steps:

the method comprises the following steps: the supporting base (1) is arranged on a bridge girder erection machine, and a worker pushes the movable plates (4) to slide in the first rectangular holes (3) through a tool so as to change the distance between the two movable plates (4);

step two: the worker pushes the sliding seats (7) to slide in the second rectangular holes (6) through a tool so as to change the distance between two adjacent sliding seats (7), and then the position of the clamping jaw (15) is adjusted so as to change the suspension supporting point of the combined beam;

step three: after the position of the clamping jaw (15) is adjusted, the position of the lifting plate (10) is limited through the design of locking and connecting the plug-in units, and the lifting plate (10) is prevented from shaking in the horizontal direction, so that the sliding seat (7) is fixed relative to the supporting base (1);

step four: the movable frame (2) is driven to move downwards through the downward pressing device, so that the sliding plate (5) drives the lifting plate (10) and the toothed plate (16) to move downwards, the toothed plate (16) drives the two adjacent gears (13) to rotate in different directions, the two adjacent rotating shafts (14) respectively drive the two clamping jaws (15) to move away from each other, so that the two clamping jaws (15) are opened, and the suspension part of the combined beam is placed between the two clamping jaws (15);

step five: after the placement is finished, the movable frame (2) is driven to move upwards through the downward pressing device, so that the sliding plate (5) and the lifting plate (10) are reset to the initial height, the two adjacent clamping jaws (15) are closed, the suspension part of the combined beam is fixed, the supporting base (1) is driven to move to the designated position through the bridge girder erection machine, and the combined beam is further driven to move to the designated position;

step six: the movable frame (2) is driven to move downwards through the downward pressing device, so that the sliding plate (5) drives the lifting plate (10) and the toothed plate (16) to move downwards, the two clamping jaws (15) are opened again, the bridge girder erection machine drives the support base (1) to move upwards, the hanging part of the combined beam is separated from the two clamping jaws (15), the combined beam can be released from being fixed, and the combined beam is assembled to a specified position.

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