The invention comprises the following steps:
The invention aims to overcome the defects of the prior art, and provides a template trolley which can move along a bridge deck, can move operators to the side wall of a bridge body, can hoist tools such as a template and the like, is convenient for installing the template and disassembling a cantilever stay bar, and has good effect and high efficiency.
The scheme for solving the technical problems is as follows:
The template trolley comprises a trolley underframe placed on the top surface of a bridge, wherein a plurality of vertical support columns corresponding to each other in front and back are fixed on the top surfaces of the front end and the back of the trolley underframe, a main transverse beam extending in front and back is fixed on the top surfaces of the two vertical support columns corresponding to each other in front and back, and the front part of the main transverse beam extends out of the vertical support column at the front end;
The middle part of the main transverse beam is provided with a transverse through groove which penetrates up and down, the bottom surface of the main transverse beam is fixedly provided with a transverse rack which extends back and forth, the movable shell is inserted and sleeved on the main transverse beam, the middle part of the movable shell is provided with a main vertical connecting arm, the upper part of the main vertical connecting arm is inserted and sleeved in the corresponding transverse through groove, the top of the main vertical connecting arm extends out of the top surface of the movable shell, a movable transverse beam is arranged between the tops of the left main vertical connecting arm and the right main vertical connecting arm, the movable transverse beam is fixed on the top surfaces of the two corresponding movable shells, the outer side wall of the lower part of the movable shell is fixedly provided with a movable driving motor, the outer side wall of an output shaft of the movable driving motor is provided with an outer tooth part, and the outer tooth part is meshed with the corresponding transverse rack;
the middle part of the main vertical connecting arm is provided with a vertical rectangular through hole, the upper part of the lifting rod is inserted and sleeved in the rectangular through hole of the main vertical connecting arm, and the lifting rod is matched with the vertical rectangular through hole;
The bottom of all lifter is fixed on the top surface of same mounting platform, and mounting platform is in the place ahead of crane span structure, and mounting platform's front end top surface is fixed with rail guard pole frame, installs first electronic chain hoist on the removal transverse beam, and the couple of all first electronic chain hoist is hung on the rail guard pole frame.
The balancing weight is installed at the rear end of the trolley underframe, and is positioned behind the rear vertical support column.
The second movable shells are inserted on the main transverse beams, second movable transverse beams are arranged between two adjacent second movable shells, the end parts of the second movable transverse beams are fixed on the top surfaces of the corresponding second movable shells, and second electric chain blocks are mounted on the second movable transverse beams.
The second movable transverse beam is located behind the movable transverse beam.
The top surface of main transverse beam is fixed with polytetrafluoroethylene board, all is fixed with the deflector on the inside wall of two curb plates about removal casing and the second removal casing, and the bottom surface of deflector is hugged closely on the top surface of corresponding polytetrafluoroethylene board.
The trolley underframe is a frame type frame, rear wheel frames are fixed at the left parts of the bottom surfaces of the front side beam and the rear side beam of the trolley underframe, rear wheels are movably connected to the rear wheel frames through hinge shafts, and a speed reducing motor is fixed on the side wall of each rear wheel frame and drives the corresponding rear wheels to rotate.
The right parts of the front side beam and the rear side beam of the trolley underframe are hinged with a front wheel frame through vertical rotating shafts, and front wheels are movably connected in the front wheel frame through bearings;
The left side of the front wheel frame is fixed or formed with a connecting part, and two ends of a steering connecting rod extending forwards and backwards are movably connected to the connecting parts of two corresponding front wheel frames through a hinge shaft;
A middle connecting beam is arranged between the right ends of the front side beam and the rear side beam of the trolley underframe, and the end part of the middle connecting beam is fixed on the right inner side wall of the corresponding side beam;
The middle part of middle part tie beam is fixed with turns to the connecting seat, has electric putter through articulated shaft swing joint on the swivel joint seat, and the right-hand member of one of them preceding wheel carrier is fixed with turns to connecting portion, and electric putter's push rod tip is through articulated shaft swing joint on turning to connecting portion.
The invention has the outstanding effects that:
Compared with the prior art, it can remove along the bridge floor, and it can remove operating personnel to bridge body lateral wall department, can lift by crane instrument such as template simultaneously, makes things convenient for template installation and the dismantlement of cantilever stay, and its is effectual, efficient.
The specific embodiment is as follows:
In the embodiment, as shown in fig. 1 to 6, the template trolley comprises a movable trolley frame formed by assembling two trolley underframes 10 placed on the top surface of a bridge 100, the trolley underframe 10 is a rectangular frame, four vertical support columns 11 corresponding to each other in front and back are respectively fixed on the left part and the right part of the top surface of the front end and the rear part of the trolley underframe 10, a main transverse beam 12 extending in front and back is fixed on the top surfaces of the two vertical support columns 11 corresponding to each other in front and back, the front part of the main transverse beam 12 extends out of the vertical support columns 11 at the front end, and one side, close to each other, of the two trolley underframes 10 is fixedly connected. Two vertical support columns 11 which are close to each other of the two trolley underframes 10 are fixed through a side connecting block.
The main transverse beam 12 is composed of two groove-shaped steel 123 and two end plates 124, wherein the end plates 124 are arranged between the ends of the same side of the two groove-shaped steel 123, the side walls of the end plates 124 are welded and fixed on the inner side walls of the corresponding groove-shaped steel 123, transverse through grooves 121 penetrating up and down are formed between the two groove-shaped steel 123, the bottom surface of one groove-shaped steel 123 of the main transverse beam 12 is fixed with a transverse rack 122 extending forwards and backwards, and the movable shell 20 and the second movable shell 50 are inserted and sleeved on the main transverse beam 12;
The movable shell 20 and the second movable shell 50 comprise a left side fixing plate 201 and a right side fixing plate 201, wherein the two side fixing plates 201 are positioned at the left side and the right side of the main transverse beam 12, and upper connecting plates are fixed at the top ends of the two side fixing plates 201;
A movable transverse beam 30 is arranged between the upper parts of the left movable shell 20 and the right movable shell 20 of the trolley underframe 10, the bottom surfaces of the left end and the right end of the movable transverse beam 30 are fixedly connected to the upper connecting plate of the movable shell 20 through bolts, a second movable transverse beam 52 is arranged between the upper parts of the left second movable shell 50 and the right second movable shell 50 of the trolley underframe 10, the bottom surfaces of the left end and the right end of the second movable transverse beam 52 are fixedly connected to the upper connecting plate of the second movable shell 50 through bolts, and the adjacent ends of the two second movable transverse beams 52 are fixedly connected through connecting blocks.
The middle part of the movable shell 20 is provided with a main vertical connecting arm 21, the upper part of the main vertical connecting arm 21 is positioned between two side fixing plates 201, the main vertical connecting arm 21 is inserted in a transverse through groove 121 of a corresponding main transverse beam 12, the top of the main vertical connecting arm 21 extends out of the top surface of the movable shell 20, the side wall of the top of the main vertical connecting arm 21 is fixedly provided with a connecting seat, the connecting seat is fixedly connected on a corresponding movable transverse beam 30 through a bolt, the lower parts of the outer side walls of one side fixing plates 201 of the movable shell 20 and the second movable shell 50 are respectively fixedly provided with a movable driving motor 22, the outer side wall of an output shaft of the movable driving motor 22 is provided with an external tooth part, and the external tooth part is meshed with a corresponding transverse rack 122;
the middle part of the main vertical connecting arm 21 is provided with a vertical rectangular through hole, the upper part of the lifting rod 23 is inserted in the rectangular through hole of the main vertical connecting arm 21, and the lifting rod 23 is matched with the vertical rectangular through hole;
The bottom ends of all lifting rods 23 are fixed on the top surface of the same mounting platform 40, the mounting platform 40 is positioned in front of the bridge 100, the top surface of the front end of the mounting platform 40 is fixedly provided with an upper guard rail rod frame 41, the movable transverse beam 30 is provided with a first electric chain hoist 1, and hooks of all the first electric chain hoists 1 are hung on the upper guard rail rod frame 41 (in the drawing, the hooks of the first electric chain hoists 1 are not hung on the upper guard rail rod frame 41).
The balancing weight 2 is installed at the rear end of the trolley underframe 10, and the balancing weight 2 is positioned behind the rear vertical support column 11.
The second movable transverse beam 52 is provided with a second electric chain block 3.
Further, the second movable transverse beam 50 is located behind the movable transverse beam 30.
The top surfaces of the two groove-shaped steel 123 of the main transverse beam 12 are respectively fixed with a polytetrafluoroethylene plate 4, the inner side walls of the left side fixing plate 201 and the right side fixing plate 201 of the movable shell 20 and the second movable shell 50 are respectively fixed with a guide plate 5 which extends transversely, and the bottom surfaces of the guide plates 5 are clung to the top surfaces of the corresponding polytetrafluoroethylene plates 4. Fixed limiting plates on the left and right side wall surfaces of the middle part of the main transverse beam 12 limit the backward movement of the movable housing 20 or the second movable housing 50.
The left parts of the bottom surfaces of the front side beams and the rear side beams of the two trolley underframes 10 are respectively fixed with a rear wheel frame 13, the rear wheel frames 13 are movably connected with rear wheels 14 through hinge shafts, the side walls of the rear wheel frames 13 are fixedly provided with gear motors 15, the middle parts of the hinge shafts of the rear wheels 14 are fixed on the rear wheels 14, the hinge shafts of the rear wheels 14 are movably connected on the rear wheel frames 13 through bearings, one ends of the hinge shafts of the rear wheels 14 are inserted into power output holes of the gear motors 15 and are fixedly connected through keys, and the gear motors 15 drive the corresponding rear wheels 14 to rotate and run, so that movement is realized.
Further, the right parts of the front side beam and the rear side beam of the trolley underframe 10 are hinged with a front wheel frame 16 through vertical rotating shafts, and front wheels 17 are movably connected in the front wheel frame 16 through bearings;
The left side of the front wheel frame 16 is fixed or formed with a connecting part 161, and two ends of a steering connecting rod 18 extending forwards and backwards are movably connected to the connecting parts 161 of two corresponding front wheel frames 16 through a hinge shaft;
a middle connecting beam 19 is arranged between the right ends of the front side beam and the rear side beam of the trolley underframe 10, and the end part of the middle connecting beam 19 is fixed on the right inner side wall of the corresponding side beam;
The middle part of middle part tie beam 19 is fixed with turns to connecting seat 191, is connected with electric putter 60 through the articulated shaft swing joint on the rotating connecting seat 191, and the right-hand member of one of them preceding wheel carrier 16 is fixed with turns to connecting portion 162, and electric putter 60's push rod tip is connected on turning to connecting portion 162 through the articulated shaft swing joint.
A middle support frame 80 fixed in a crisscross manner is arranged between the two corresponding vertical support columns 11, two ends of the front part of the middle support frame 80 are fixed on the front vertical support columns 11, and two ends of the rear part of the middle support frame 80 are fixed on the rear vertical support columns 11.
The front wheels 17 and the rear wheels 14 in this embodiment are each rubber solid tires.
The trolley chassis 10 is also fixed with a control host, in which a controller, a storage battery and other devices are installed to provide power for the embodiment, and the control host is a common structure and will not be described in detail.
A fixed support beam is provided between the front portions of the two main transverse beams 12 at each trolley chassis 10, and both ends of the fixed support beam are fixed to the front side walls of the corresponding two main transverse beams 12.
The working principle is that when the embodiment is used, the device is placed on the top surface of the edge of the bridge 100, the device runs through the gear motor 15, the movement of the movable trolley frame can be realized, the device runs through the electric push rod 60 at the trolley underframe 10 on the right side, the corresponding steering of the two front wheels 17 can be realized, the rotation angle is +/-35 degrees, and the position movement of the movable trolley frame can be realized;
When the two trolley underframes 10 are separated, the two trolley underframes are operated by the electric push rod 60 at each trolley underframe 10, so that the steering of the two trolley underframes is controlled independently.
In this embodiment, when in use, the second electric chain hoist 3 can lift devices such as a template, and an operator is located on the mounting platform 40, and the corresponding movement driving motor 22 operates to make the output shaft of the movement driving motor 22 move rotationally along the transverse rack 122, so that the movement housing 20 and the second movement housing 50 can move back and forth along the main transverse beam 12, so that the movement transverse beam 30 and the second movement transverse beam 52 can move back and forth along the main transverse beam 12, and the mounting platform 40 and the lifted template move back and forth;
meanwhile, the lifting rod 23 can be lifted up and down along the main vertical connecting arm 21 by lifting and pulling the lifting hook of the first electric chain hoist 1, so that the height of the mounting platform 40 can be adjusted, and operators on the mounting platform can lift to meet the use requirement;
side protection net plates are fixed on the top surfaces of the left side and the right side of the mounting platform 40.
In this embodiment, the output shaft of the movement driving motor 22 is rotationally moved along the transverse rack 122, so that the corresponding movement housing 20 and the second movement housing 50 can move back and forth along the main transverse beam 12, and the movement structure is simple, the manufacture is convenient, and the manufacture cost is greatly reduced.
The main transverse beam 12 in this embodiment is composed of two groove-shaped steel 123 and two end plates 124, the end faces of the same ends of the two groove-shaped steel 123 are welded and fixed on the corresponding end plates 124, and transverse through grooves 121 penetrating up and down are formed between the two groove-shaped steel 123, so that the processing is convenient, the transverse through grooves 121 are not required to be manufactured by machining and cutting, and the transverse through grooves 121 are formed by welding and assembling, so that the processing difficulty and the processing cost are greatly reduced.
Finally, the above embodiments are only for illustrating the invention, not for limiting it, and various changes and modifications can be made by one skilled in the relevant art without departing from the spirit and scope of the invention, so that all equivalent technical solutions are also within the scope of the invention, which is defined by the claims.