CN114541267B - Bridge girder erection machine capable of automatically unloading girder - Google Patents
Bridge girder erection machine capable of automatically unloading girder Download PDFInfo
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- CN114541267B CN114541267B CN202210215120.8A CN202210215120A CN114541267B CN 114541267 B CN114541267 B CN 114541267B CN 202210215120 A CN202210215120 A CN 202210215120A CN 114541267 B CN114541267 B CN 114541267B
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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Abstract
The application relates to a bridge girder erection machine capable of automatically unloading girders, which relates to the field of bridge engineering, and comprises a bridge girder erection machine and a plurality of crown blocks; the dismantling devices are arranged in a separable manner with the bridge girder erection machine and comprise a moving mechanism and a plurality of dismantling mechanisms; at least one dismantling device is provided with a first driving piece which is used for driving the movement mechanism to move; the dismounting mechanism is used for dismounting a nut used for the sleeve beam and comprises a rotating assembly, the rotating assembly comprises a matching piece, a telescopic rod, a second driving piece and a third driving piece, an operation hole is formed in the matching piece, the inner wall of the operation hole is used for being abutted to the peripheral wall of the nut used for the sleeve beam, one end of the telescopic rod is arranged on the mounting plate, the other end of the telescopic rod is fixed with the matching piece, the second driving piece is used for driving the telescopic rod to stretch out and draw back, and the third driving piece is used for driving the telescopic rod and the matching piece to rotate. The application has the effect of enabling the beam unloading work to be automatically carried out.
Description
Technical Field
The application relates to the field of bridge engineering, in particular to a bridge girder erection machine capable of automatically unloading girders.
Background
In the bridge construction process, a bridge girder erection machine is often adopted to erect the box girder.
Referring to fig. 1 and 2, in the related art, a box girder 01 is a girder structure with a hollow cavity 011 in the middle; when the bridge girder erection machine hangs the roof beam, can carry out the cover roof beam earlier, the cover roof beam is with the link 012 of bridge girder erection machine and box girder 01 through screw 013, nut 014 and backing plate 015 connection, screw 013 is fixed on the link 012 of bridge girder erection machine, opens on the box girder 01 has the through-hole, and screw 013 passes the through-hole and stretches into in the hollow chamber 011, then with nut 014 threaded connection, backing plate 015 is located between nut 014 and the box girder 01 inner wall.
When the girder is erected, the box girder 01 is lifted by a winch and placed on a pier, after the girder is dropped, the nut 014 is required to be disassembled, then the nut 014 and the backing plate 015 are taken away, and finally the connecting end 012 is lifted, and the screw 013 is pulled away; when in construction, two ends of the box girder 01 are generally provided with a girder sleeving point 016 respectively, and a plurality of screws 013 are arranged at each girder sleeving point 016 in a penetrating way; the operations of removing and taking away the nut 014 and the pad 015 are performed manually.
Because the bridge girder erection machine can not automatically unload the girder, the nut used for the sleeve girder is dismounted, constructors are required to enter the box girder for operation, but in actual production, the height of the construction box girder is higher, the efficiency of the constructors for entering and exiting the box girder is lower, and the danger is very high.
Disclosure of Invention
In order to enable beam unloading work to be automatically carried out, the application provides a bridge girder erection machine capable of automatically unloading beams.
The application provides a bridge girder erection machine capable of automatically unloading girders, which adopts the following technical scheme:
The bridge girder erection machine comprises a bridge girder erection machine, wherein the bridge girder erection machine comprises a main girder and a plurality of crown blocks, the crown blocks move on the main girder, a plurality of dismantling devices are arranged in a separable manner with the bridge girder erection machine, and the dismantling devices comprise a moving mechanism and a plurality of dismantling mechanisms; the moving mechanism comprises a setting plate and a plurality of rollers, the rollers are arranged below the setting plate, at least one dismantling device is provided with a first driving piece, and the first driving piece is used for driving the moving mechanism to move; the dismounting mechanism is used for dismounting a nut used for the sleeve beam and comprises a rotating assembly, the rotating assembly comprises a matching piece, a telescopic rod, a second driving piece and a third driving piece, an operation hole is formed in the matching piece, the shape of the operation hole is matched with the shape of the nut used for the sleeve beam, the inner wall of the operation hole is used for being abutted to the peripheral wall of the nut used for the sleeve beam, one end of the telescopic rod is arranged on the arranging plate, the other end of the telescopic rod is fixed with the matching piece, the telescopic direction of the telescopic rod is along the direction close to or far away from the arranging plate, the second driving piece is used for driving the telescopic rod to stretch and retract, the third driving piece is used for driving the telescopic rod to rotate with the matching piece, and the rotating axis of the matching piece is coincident with the axis of the nut used for the sleeve beam.
By adopting the technical scheme, after the construction personnel sleeve the beam, firstly placing the dismounting device in the hollow cavity of the box beam, arranging the dismounting device below the sleeve beam nut, adjusting the height of the telescopic rod through the second driving piece, lifting the matching piece, sleeving the matching piece on the periphery of the sleeve beam nut, aligning and matching the operation hole with the sleeve beam nut, then starting the third driving piece, driving the telescopic rod to rotate by the third driving piece, driving the matching piece to rotate by the telescopic rod, and driving the sleeve beam nut to rotate by the matching piece, so that the sleeve beam nut is dismounted by the matching piece; the dismounting mechanism is used for dismounting a nut, when all the sleeve beam nuts are dismounted, the second driving piece is started to put down the telescopic rod, at the moment, the matching piece is separated from the sleeve beam nuts, and the dismounting device is driven to move by the first driving piece until the telescopic rod leaves the box beam; when a plurality of dismantling devices exist, but only one dismantling device is provided with a first driving piece, the position of the dismantling device is adjusted, the dismantling device provided with the first driving piece is placed at the rear, and when the dismantling device is started, the dismantling device provided with the first driving piece can push other dismantling devices at the front to move together.
Optionally, the rotating assembly further includes a placing seat, the placing seat is disposed on the placing plate, the telescopic rod is rotationally connected with the placing seat, the telescopic rod is opposite to the rotation axis of the placing seat, coincides with the rotation axis of the telescopic rod under the driving of the third driving piece, the second driving piece is a driving cylinder and is fixed on the placing seat, a piston rod of the second driving piece is rotationally connected with the matching piece, and the matching piece is opposite to the rotation axis of the piston rod of the second driving piece, coincides with the rotation axis of the matching piece under the driving of the third driving piece.
By adopting the technical scheme, when the third driving piece drives the telescopic rod to rotate, the matching piece can also rotate along with the telescopic rod, the piston rod of the second driving piece is rotationally connected with the matching piece, at the moment, the rotation of the matching piece and the lifting of the height can not interfere with each other, and the driving cylinder is a driving cylinder which is necessarily connected with a pipeline.
Optionally, the third driving piece is arranged on the placing seat, and the third driving piece is a motor.
By adopting the technical scheme, the telescopic rod is driven to rotate by the motor, the motor can continuously rotate, the sleeve beam nut can be rapidly disassembled, and the telescopic rod is convenient to operate, so that the telescopic rod is a preferable scheme of the telescopic rod.
Optionally, the dismounting mechanism further comprises a loosening assembly, the loosening assembly comprises a mounting plate and a fourth driving piece, the placing seat is rotationally connected with the mounting plate, the placing seat is opposite to the rotation axis of the mounting plate and coincides with the rotation axis of the matching piece driven by the third driving piece, the fourth driving piece is a driving cylinder, and the fourth driving piece is used for driving the placing seat to rotate.
By adopting the technical scheme, as the tightened sleeve beam nut is hard to rotate just at first, the sleeve beam nut needs to be unscrewed and then detached; when the sleeve beam nut is required to be disassembled, the fourth driving part is driven to push the placing seat to rotate, the placing seat drives the telescopic rod to rotate, the telescopic rod drives the matching part to rotate, the matching part unscrews the sleeve beam nut, and then the rotating assembly is used for rotating and disassembling, so that the driving cylinder is used as the fourth driving part, and the driving cylinder is large in normal thrust and convenient in pushing process, so that the sleeve beam nut can be quickly unscrewed.
Optionally, the setting plate includes fixed plate and two fly leaves, two the fly leaf with fixed plate sliding connection, it is connected with two-way screw rod to rotate on the fixed plate, each threaded connection in both ends of two-way screw rod has one the fly leaf, every be equipped with at least one on the fly leaf the detaching mechanism.
By adopting the technical scheme, when the distance between the dismounting mechanisms at the two sides is required to be adjusted so as to adapt to the sleeve beam nuts at different positions, the movable plates at the two sides can be driven to move by rotating the bidirectional screw rod, and the dismounting mechanisms move along with the movement of the movable plates, so that the position of the dismounting mechanisms is adjusted, and the sleeve beam nut dismounting device can be suitable for the sleeve beam nuts at different intervals.
Optionally, the motion still includes axis of rotation and movable rod, every the fixed plate is kept away from one side of movable plate all is equipped with a plurality of the axis of rotation, one sliding connection has a plurality of in the axis of rotation the movable rod, the slip direction of movable rod with the slip direction of movable plate is unanimous, every all be equipped with on the movable rod the gyro wheel, be equipped with a plurality of tight spare in the axis of rotation, tight spare in top is used for restricting the slip of movable rod.
Through adopting above-mentioned technical scheme, when the fly leaf drove disassembly body and moves towards both sides, adjust the mobility of movable rod, make the movable rod stretch out towards both sides too, then it is spacing through the tight piece in top, can make demolish the device supported more stable, when the inside hollow chamber of roof beam is narrower, also can withdraw the movable rod through above-mentioned mode to this reduces demolish the horizontal occupation space of device, is convenient for demolish the device and removes in the roof beam.
Optionally, the fly leaf is close to one side of gyro wheel is provided with a plurality of supporting wheels, the supporting wheel with the fly leaf rotates to be connected, the axis of rotation of supporting wheel with the axis of rotation of gyro wheel is parallel, one the supporting wheel with one the gyro wheel butt.
Through adopting above-mentioned technical scheme, owing to be equipped with detaching mechanism on the fly leaf, after the fly leaf outwards stretches out, partial face can be unsettled, but detaching mechanism on the fly leaf is heavier, pushes down the fly leaf easily, has the possibility that leads to fly leaf and gyro wheel to bump, consequently sets up the supporting wheel, the supporting wheel be used for with the gyro wheel butt, under the support of supporting wheel, the fly leaf is pressed the possibility that bends and reduces, simultaneously, the rotation of supporting wheel also can not influence the rotation of gyro wheel.
Optionally, the dismounting mechanism is detachably connected with the movement mechanism.
By adopting the technical scheme, as the number of the dismounting mechanisms which are required to be connected every time is different, the dismounting mechanisms and the moving mechanism are arranged in a detachable mode, so that constructors can conveniently select the dismounting mechanisms with proper numbers for installation according to different conditions, and the application range of the device is wider.
Optionally, the parking device further comprises a parking device, the parking device comprises a movable frame and a parking plate, the movable frame is arranged on the crown block, the parking plate is fixed on the movable frame, the parking plate is located on one side, away from the adjacent installed box girder, of the box girder which is being installed, and the parking plate is used for receiving all the dismantling devices.
Through adopting above-mentioned technical scheme, after demolishing device operation finishes, start first driving piece, all demolish the device and remove to the parking on the board, alright accomplish the separation to demolishing device and case roof beam, demolish the device and park the device between settling and separation, realized demolishing device and bridge crane body between separable setting.
Optionally, the movable frame includes crossbearer and erects the frame, the crossbearer with overhead traveling crane sliding connection, the crossbearer for the slip direction of overhead traveling crane with the overhead traveling crane for the slip direction of girder is unanimous, be equipped with fifth driving piece on the overhead traveling crane, fifth driving piece is used for the drive the crossbearer motion, erect the frame with crossbearer sliding connection, erect the frame along vertical direction motion, be equipped with sixth driving piece on the crossbearer, sixth driving piece is used for the drive erect the frame motion, park board one end with erect frame fixed connection, the other end rotation is connected with the baffle, be equipped with seventh driving piece on the board, seventh driving piece is used for the drive the baffle upwards overturns, be used for limiting between the baffle with erect the frame demolish the device.
By adopting the technical scheme, after all the dismantling devices are parked on the parking plate, the baffle is driven by the seventh driving piece to turn upwards, and the turned baffle and the vertical frame limit all the dismantling devices between the baffle and the vertical frame, so that the possibility that the dismantling devices drop from the parking plate is reduced; under the drive of fifth driving piece, park the board and can be in being close to or keep away from the orientation of case roof beam and move, the constructor of being convenient for adjusts the position of parking the board, after the case roof beam is installed, promotes and parks the board, makes the height of parking the board and case roof beam upper surface be located same height, then after the baffle is put down, demolishs the device and can follow to park the board and move to the case roof beam on, alright carry out the installation of demolishment device next time.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The dismantling device realizes automatic dismantling of the box girder, and reduces the workload of constructors;
2. The loosening assembly is used for loosening the nuts, the rotating assembly is used for disassembling, and the loosening assembly and the rotating assembly are matched with each other to disassemble the nuts used by the sleeve beam;
3. the stop device is used for placing and moving the dismounting device after the nut used by the sleeve beam is dismounted.
Drawings
FIG. 1 is a schematic view of a related art structure of the present application;
FIG. 2 is a schematic view of a structure of a nut according to the related art of the present application;
FIG. 3 is a schematic overall structure of an embodiment of the present application;
FIG. 4 is a schematic view of the construction of a demolition arrangement according to an embodiment of the application;
FIG. 5 is a schematic view of a first driving member according to an embodiment of the present application;
FIG. 6 is a schematic view of a rotating assembly according to an embodiment of the present application;
FIG. 7 is a schematic view of a loosening assembly according to an embodiment of the present application;
FIG. 8 is a schematic view of the structure of an equipment cabinet according to an embodiment of the present application;
FIG. 9 is a schematic view of the structure of the fitting and the nut according to the embodiment of the present application;
FIG. 10 is a schematic diagram of a shutdown device according to an embodiment of the present disclosure;
FIG. 11 is a schematic view of a limiting plate according to an embodiment of the present application;
fig. 12 is an enlarged schematic view at a in fig. 11.
Reference numerals illustrate: 01. a box girder; 011. a hollow cavity; 012. a connection end; 013. a screw; 014. a nut; 015. a backing plate; 016. sleeving beam points; 017. an outlet end; 1. a bridge girder erection machine; 11. a main beam; 12. a support leg; 13. a crown block; 131. a fifth driving member; 2. dismantling the device; 21. a movement mechanism; 211. a setting plate; 2111. a fixing plate; 2112. a movable plate; 2113. a bidirectional screw; 2114. rotating the nut; 2115. a support wheel; 2116. an equipment box; 212. a rotating shaft; 2121. a tightening member; 213. a movable rod; 214. a roller; 22. a dismounting mechanism; 221. a rotating assembly; 2211. a mating member; 2212. a telescopic rod; 2213. a placement seat; 2214. a second driving member; 2215. a third driving member; 2216. an operation hole; 2217. an extension rod; 2218. a fixed sleeve; 2219. a turntable; 2201. a transmission gear; 2202. a rotating ring; 2203. a support shaft; 2204. an extension rod; 2205. a universal wheel; 222. loosening the assembly; 2221. a mounting plate; 2222. a fourth driving member; 23. a first driving member; 231. a driving motor; 232. a sprocket; 233. a chain; 3. a shutdown device; 31. a movable frame; 311. a cross frame; 3111. a sixth driving member; 312. a vertical frame; 32. a parking plate; 321. a limiting plate; 322. a baffle; 323. a communication hole; 324. and a seventh driving member.
Detailed Description
The application is described in further detail below with reference to fig. 1-12.
Referring to fig. 1 and 2, in the related art, a box girder 01 is a girder structure with a hollow cavity 011 in the middle; when the bridge girder erection machine hangs a girder, the girder is sleeved firstly, namely the connecting end 012 of the bridge girder erection machine is connected with the box girder 01 through a screw 013, a nut 014 and a backing plate 015, the screw 013 is fixed on the connecting end 012 of the bridge girder erection machine, a through hole is formed in the box girder 01, the screw 013 penetrates through the through hole to extend into the hollow cavity 011 and then is in threaded connection with the nut 014, and the backing plate 015 is positioned between the nut 014 and the inner wall of the box girder 01; in construction, two sleeve beam points 016 are generally arranged at two ends of the box beam 01, and a plurality of screws 013 are arranged at each sleeve beam point 016 in a penetrating manner, and two sleeve beam points 016 are taken as an example in the implementation.
The embodiment of the application discloses a bridge girder erection machine capable of automatically unloading girders.
Referring to fig. 3, an automatic girder-unloading bridge girder erection machine comprises a bridge girder erection machine 1, a dismantling device 2 and a parking device 3.
Referring to fig. 3, the bridge girder erection machine 1 includes a girder 11, a supporting leg 12 and a plurality of crown blocks 13, the girder 11 is supported on a pier through the supporting leg 12, the crown blocks 13 move on the girder 11, the movement direction of the crown blocks 13 is consistent with the length direction of the girder 11, and simultaneously, the movement direction of the crown blocks 13 is also consistent with the length direction of a box girder 01, and the number of crown blocks 13 is the same as the number of girder sleeving points 016.
Referring to fig. 4, the demolition arrangement 2 comprises a movement mechanism 21 and several demolition mechanisms 22.
Referring to fig. 4, the moving mechanism 21 includes a setting plate 211, a rotation shaft 212, a movable lever 213, and a plurality of rollers 214.
Referring to fig. 4, the placement plate 211 includes a fixed plate 2111 and two movable plates 2112, a dovetail block is welded on the fixed plate 2111, a dovetail groove is formed on each movable plate 2112, the dovetail groove is matched with the dovetail block, the two movable plates 2112 are slidably connected with the fixed plate 2111, when the dismounting device 2 is placed, the distribution direction of the two movable plates 2112 is perpendicular to the length direction of the main beam 11, and the sliding direction of the movable plates 2112 is consistent with the distribution direction of the two movable plates 2112; the fixing plate 2111 is rotatably connected with a bidirectional screw 2113 through a support and a bearing, a rotating nut 2114 is welded at the middle position of the bidirectional screw 2113, the rotating nut 2114 and the bidirectional screw 2113 are coaxially arranged, the rotating nut 2114 is convenient for a constructor to rotate the bidirectional screw 2113, two ends of the bidirectional screw 2113 are respectively connected with a movable plate 2112 in a threaded mode, two dismounting mechanisms 22 are detachably connected to each movable plate 2112, and in other embodiments, three or four dismounting mechanisms 22 are detachably connected to each movable plate 2112.
Referring to fig. 4, two fixing bases are welded on one side of the fixing plate 2111 away from the movable plate 2112, the distribution direction of the two fixing bases is perpendicular to the sliding direction of the movable plate 2112, a rotating shaft 212 is rotatably connected in each fixing base through a bearing, the rotating shaft 212 is columnar, the rotating axis of the rotating shaft 212 coincides with the axis of the rotating shaft 212, the rotating axis direction of the rotating shaft 212 is parallel to the sliding direction of the movable plate 2112, two movable rods 213 are slidably connected on each rotating shaft 212, and in other embodiments, more than two movable rods 213 are slidably connected on each rotating shaft 212; the movable rods 213 are square rods, the length direction of the movable rods 213 is consistent with the axial direction of the rotating shaft 212, the distribution direction of the two movable rods 213 is consistent with the length direction of the movable rods 213, and the sliding direction of the movable rods 213 is consistent with the sliding direction of the movable plate 2112; the rotating shafts 212 are sleeved outside the movable rods 213, square holes are formed in two end walls of the rotating shafts 212, one movable rod 213 is inserted into one square hole, one end of each movable rod 213 extends out of the end of the rotating shaft 212, one end, extending out of the rotating shaft 212, of each movable rod 213 is welded with a roller 214, and the rotating axis of the roller 214 coincides with the axis of the rotating shaft 212.
Referring to fig. 5, the rotation shaft 212 is provided with a plurality of propping pieces 2121, the propping pieces 2121 are used for limiting the sliding of the movable rod 213, in this embodiment, the propping pieces 2121 are studs, the propping pieces 2121 are in threaded connection with the rotation shaft 212, two ends of the rotation shaft 212 are respectively provided with one propping piece 2121, and one propping piece 2121 is used for propping against one movable rod 213; in other embodiments, the propping piece 2121 is a cushion block, and the propping piece 2121 is plugged into a gap between the inner wall of the square hole of the rotating shaft 212 and the movable rod 213, so that the movement of the movable rod 213 is limited.
Referring to fig. 5, two supporting wheels 2115 are disposed on one side of each movable plate 2112 near the roller 214, the supporting wheels 2115 are rotatably connected with the movable plates 2112 through bearings, the rotation axes of the supporting wheels 2115 are parallel to the rotation axes of the rollers 214, and one supporting wheel 2115 is used for abutting against one roller 214.
Referring to fig. 3, 4 and 5, in this embodiment, two dismounting devices 2 are provided, one dismounting device 2 is used for dismounting a bolt at a sleeve beam point 016, in this embodiment, only one dismounting device 2 is provided with a first driving piece 23, the first driving piece 23 comprises a driving motor 231, a sprocket 232 and a chain 233, the driving motor 231 is fixed on a fixing plate 2111 through a screw, the output end of the driving motor 231 is connected with the sprocket 232 through a coupling, an annular sprocket 232 is coaxially welded on one rotating shaft 212 of the dismounting device 2 provided with the first driving piece 23, and the two sprockets 232 are driven by the chain 233; when hoisting the box girder 01, the end of the box girder 01 being installed, which is far from the adjacent installed box girder 01, is defined as an outlet end 017, and when only one dismantling device 2 is provided with the first driving member 23, the dismantling device 2 provided with the first driving member 23 is located at a girder sleeving point 016, which is far from the outlet end 017.
Referring to fig. 5, a dismounting mechanism 22 is provided for dismounting a nut 014 for a mantle beam, the dismounting mechanism 22 is provided on the moving mechanism 21, and the dismounting mechanism 22 includes a rotating assembly 221 and a loosening assembly 222.
Referring to fig. 6, the rotation assembly 221 includes a fitting 2211, a telescopic rod 2212, a mount 2213, a second driving member 2214, and a third driving member 2215.
Referring to fig. 6, the engaging member 2211 is provided with an operation hole 2216, the shape of the operation hole 2216 is matched with the shape of the nut 014 for the collar beam, in this embodiment, the nut 014 for the collar beam is a hexagonal nut 014, the operation hole 2216 is an internal hexagonal hole, and the inner wall of the operation hole 2216 is used for abutting with the peripheral wall of the nut 014 for the collar beam; the telescopic rod 2212 comprises a cuboid columnar extension rod 2217 and a square tubular fixing sleeve 2218, the inner tube hole of the fixing sleeve 2218 is a square hole, the extension rod 2217 slides in the inner tube hole of the fixing sleeve 2218, the fixing sleeve 2218 is sleeved outside the extension rod 2217, the extension rod 2217 and the fixing sleeve 2218 only can slide relatively and cannot rotate relatively, and the matching piece 2211 is welded at one end, far away from the fixing sleeve 2218, of the extension rod 2217.
Referring to fig. 6, the placing seat 2213 is a hollow box, a rotary table 2219 is arranged on the placing seat 2213, the rotary table 2219 is rotationally connected with one plate surface of the placing seat 2213 through a bearing, one end of the fixing sleeve 2218, which is far away from the matching piece 2211, is welded with the rotary table 2219, the telescopic direction of the telescopic rod 2212 is consistent with the rotation axis direction of the rotary table 2219, the plate surface of the rotary table 2219, which is far away from the fixing sleeve 2218, is welded with an extension column, a gear is coaxially welded on the extension column, and the gear is positioned in an inner cavity of the placing seat 2213; the third driving member 2215 is a motor, the rotating shaft of the third driving member 2215 extends into the placing seat 2213, a gear is coaxially fixed on the rotating shaft of the third driving member 2215 through a connector, the gear connected to the third driving member 2215 also extends into the inner cavity of the placing seat 2213, the gear on the rotating disc 2219 and the gear on the third driving member 2215 are driven by a transmission gear 2201, the transmission gear 2201 is rotationally connected with the inner cavity wall of the placing seat 2213 through a bearing, and the transmission gear 2201 is meshed with the two gears at the same time, so that the third driving member 2215 drives the telescopic rod 2212 to rotate.
Referring to fig. 6, the second driving member 2214 is an oil cylinder, and a cylinder body of the second driving member 2214 is fixedly connected to a side wall of the placing seat 2213 provided with the telescopic rod 2212 through a screw, and a telescopic direction of the second driving member 2214 is consistent with a telescopic direction of the telescopic rod 2212; one end of the extension rod 2217, which is connected with the matching piece 2211, is inwards provided with a ring groove, a rotary bearing is arranged in the ring groove, a rotary ring 2202 is sleeved outside the rotary bearing, a piston rod of the second driving piece 2214 is connected with the rotary ring 2202 through a connecting rod, one end of the connecting rod is welded with the rotary ring 2202, and the other end of the connecting rod is fixedly connected with the piston rod of the second driving piece 2214.
Referring to fig. 7, the loosening assembly 222 includes a mounting plate 2221 and a fourth driving member 2222, a support shaft 2203 is disposed between the mount base 2213 and the mounting plate 2221, the support shaft 2203 is located on a side wall of the mount base 2213 away from the telescopic rod 2212, one end of the support shaft 2203 is welded with the mount base 2213, and the other end is rotatably connected with the mounting plate 2221 through a bearing; the rotation axis of the placing seat 2213 relative to the mounting plate 2221 is coincident with the rotation axis of the mating member 2211 driven by the third driving member 2215, the extension rod 2204 is welded on the support shaft 2203, and the extension rod 2204 extends towards the outer side of the support shaft 2203; the fourth driving piece 2222 is an oil cylinder, a cylinder body of the fourth driving piece 2222 is hinged with the mounting plate 2221, a piston rod of the fourth driving piece 2222 is hinged with the extension rod 2204, a hinge axis of the fourth driving piece 2222 and the mounting plate 2221 is parallel to a hinge axis between the piston rod of the fourth driving piece 2222 and the extension rod 2204, a rotation axis of the fourth driving piece 2222 is parallel to a rotation axis of the supporting shaft 2203, and the fourth driving piece 2222 is used for driving the placing seat 2213 to rotate; the side wall of the placing seat 2213 provided with the supporting shaft 2203 is connected with a universal wheel 2205 through a screw, the wheel body of the universal wheel 2205 is abutted with the mounting plate 2221, and the universal wheel 2205 is used for supporting the hanging placing seat 2213.
Referring to fig. 8 and 9, the mounting plate 2221 is detachably connected to the movable plate 2112 by bolts, and the fixed plate 2111 is further provided with an equipment box 2116 for placing equipment such as an oil pump, an oil tank, a power source, a sensor, a receiver, and the like; when the dismantling device 2 is placed in the box girder 01, the roller 214 contacts the bottom wall of the hollow cavity 011 of the box girder 01, the telescopic direction of the telescopic rod 2212 is set along the vertical direction, the telescopic rod 2212 drives the matching piece 2211 to rotate, and the rotation axis of the matching piece 2211 coincides with the axis of the nut 014 used for the sleeve girder; the rotation axis of the telescopic rod 2212 relative to the placing seat 2213 is coincident with the rotation axis of the telescopic rod 2212 driven by the third driving piece 2215, and the rotation axis of the matching piece 2211 relative to the piston rod of the second driving piece 2214 is coincident with the rotation axis of the matching piece 2211 driven by the third driving piece 2215.
Referring to fig. 10, the parking device 3 includes a movable frame 31 and a parking plate 32.
Referring to fig. 10, the movable frame 31 slides on the crown block 13 near the outlet end 017, and the movable frame 31 includes a cross frame 311 and a vertical frame 312; the transverse frame 311 is a frame structure formed by connecting two straight rods with each other through a connecting rod, the length direction of the transverse frame 311 is horizontally arranged, the sliding direction of the transverse frame 311 relative to the crown block 13 is consistent with the sliding direction of the crown block 13 on the main beam 11, two fifth driving parts 131 are arranged on the crown block 13, the fifth driving parts 131 are winches, and ropes of the two fifth driving parts 131 are respectively connected with one end of the transverse frame 311, so that the movement of the transverse frame 311 is driven and controlled; the vertical frame 312 is a rectangular frame, the vertical frame 312 is slidably connected with the transverse frame 311, the vertical frame 312 slides along the vertical direction, a sixth driving piece 3111 is arranged on the transverse frame 311, the sixth driving piece 3111 is a winch, ropes of the sixth driving piece 3111 are connected with the vertical frame 312, and the sixth driving piece 3111 is used for driving the vertical frame 312 to move.
Referring to fig. 10, a parking plate 32 is positioned at one side of a box girder 01 being installed, which is far away from an adjacent installed box girder 01, the parking plate 32 is in a rectangular plate shape, the length direction of the parking plate 32 is consistent with the length direction of a transverse frame 311, the length direction of the parking plate 32 is consistent with the movement direction of a movement mechanism 21 in the box girder 01, and limiting plates 321 are welded at both sides of the length direction of the parking plate 32; when the dismounting device 2 is received, the height of the upper plate surface of the parking plate 32 is positioned below the hollow cavity 011 of the box girder 01, after the dismounting device 2 moves out of the box girder 01, the parking plate 32 is used for receiving the dismounting device 2, one end of the parking plate 32 is fixedly connected with the vertical frame 312, the other end of the parking plate 32 is hinged with the baffle 322, the hinge axis of the baffle 322 is arranged along the horizontal direction, the hinge axis of the baffle 322 is consistent with the distribution direction of the two limiting plates 321, and the baffle 322 can be turned upwards.
Referring to fig. 11 and 12, a communication hole 323 is formed in the parking plate 32, one end of the communication hole 323 extends to a hinge position of the baffle plate 322, a seventh driving member 324 is fixedly connected to the parking plate 32 through a screw, the seventh driving member 324 is a winch, a rope of the seventh driving member 324 extends into the communication hole 323, then extends to the baffle plate 322 along the communication hole 323 to be fixed with one end of the baffle plate 322 far away from the vertical frame 312, the seventh driving member 324 is used for driving the baffle plate 322 to turn upwards, the baffle plate 322 and the vertical frame 312 are used for limiting the dismantling devices 2, and the parking plate 32 can park all the dismantling devices 2.
The implementation principle of the bridge girder erection machine capable of automatically unloading girders provided by the embodiment of the application is as follows: when the bridge girder erection machine 1 is used for carrying out a bridge erection operation, the height of the telescopic rod 2212 is firstly adjusted, the matching piece 2211 is sleeved outside the girder sleeving nut 014, then the girder box 01 is hoisted and placed, after the girder box 01 is installed, remote control is carried out, the fourth driving piece 2222 is started, the whole rotating assembly 221 is pushed to move, the nut 014 for the girder sleeving is unscrewed, then the third driving piece 2215 is started, the nut 014 is rotated and unscrewed, the nut 014 falls into the matching piece 2211, the telescopic rod 2212 is retracted, the base plate 015 falls on the matching piece 2211, and the operations can be remotely operated through wireless equipment; after the disassembly is completed, the first driving piece 23 of the rear disassembly device 2 is started, the first driving piece 23 drives the rear disassembly device 2 to move, the front disassembly device 2 is pushed onto the parking plate 32, then the seventh driving piece 324 is started to pull up the baffle 322, the vertical frame 312 and the limiting plate 321 limit the disassembly device 2 on the parking plate 32, then the position of the parking plate 32 is regulated through the fifth driving piece 131 and the sixth driving piece 3111, the parking plate 32 is lifted to the position with the same height as the upper end face of the box girder 01, and the box girder 01 is convenient to be disassembled by constructors for secondary use.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides an automatic bridge girder erection machine of unloading roof beam, includes bridge girder erection machine (1), bridge girder erection machine (1) include girder (11) and a plurality of overhead traveling crane (13), overhead traveling crane (13) are in girder (11) upward motion, its characterized in that still includes:
The dismantling devices (2) are arranged in a separable manner with the bridge girder erection machine (1), and the dismantling devices (2) comprise a moving mechanism (21) and a plurality of dismantling mechanisms (22);
The moving mechanism (21) comprises a placement plate (211) and a plurality of rollers (214), the rollers (214) are arranged below the placement plate (211), a first driving piece (23) is arranged on at least one dismantling device (2), and the first driving piece (23) is used for driving the moving mechanism (21) to move;
One detaching mechanism (22) is used for dismantling the used nut of a cover roof beam, detaching mechanism (22) is including rotating assembly (221), rotating assembly (221) are including cooperation piece (2211), telescopic link (2212), second actuating member (2214) and third actuating member (2215), operation hole (2216) have been seted up on cooperation piece (2211), the shape of operation hole (2216) cooperates with the appearance of the used nut of cover roof beam, the inner wall of operation hole (2216) be used for with the perisporium butt of the used nut of cover roof beam, telescopic link (2212) one end set up in on locating plate (211), the other end with cooperation piece (2211) are fixed, the direction that stretches out and draws back of telescopic link (2212) is followed and is close to or keep away from locating plate (211) is set up, second actuating member (2214) are used for the drive the expansion of telescopic link (2212), third actuating member (2215) are used for the drive telescopic link (2212) with the perisporium butt of the used nut of cover roof beam, telescopic link (2212) one end with the axis coincidence is used for the axis of rotation of axle (2211).
2. An automatic beam-unloading bridge girder erection machine as claimed in claim 1, wherein,
The rotating assembly (221) further comprises a placing seat (2213), the placing seat (2213) is arranged on the placing plate (211), the telescopic rod (2212) is rotationally connected with the placing seat (2213), the telescopic rod (2212) is opposite to the rotating axis of the placing seat (2213), the rotating axis of the telescopic rod (2212) driven by the third driving piece (2215) coincides with the rotating axis of the telescopic rod (2212), the second driving piece (2214) is a driving cylinder and is fixed on the placing seat (2213), a piston rod of the second driving piece (2214) is rotationally connected with the matching piece (2211), and the rotating axis of the matching piece (2211) corresponding to the piston rod of the second driving piece (2214) coincides with the rotating axis of the matching piece (2211) driven by the third driving piece (2215).
3. An automatic beam-unloading bridge girder erection machine as claimed in claim 2, wherein,
The third driving piece (2215) is arranged on the placing seat (2213), and the third driving piece (2215) is a motor.
4. An automatic beam-unloading bridge girder erection machine as claimed in claim 2, wherein,
Disassembly body (22) still include loose subassembly (222), loose subassembly (222) include mounting panel (2221) and fourth driving piece (2222), lay seat (2213) with mounting panel (2221) rotate and are connected, lay seat (2213) for the axis of rotation of mounting panel (2221), with the axis of rotation coincidence of cooperation piece (2211) under the drive of third driving piece (2215), fourth driving piece (2222) are the actuating cylinder, fourth driving piece (2222) are used for the drive lay seat (2213) rotate.
5. An automatic beam-unloading bridge girder erection machine as claimed in claim 1, wherein,
The placement plate (211) comprises a fixed plate (2111) and two movable plates (2112), wherein the two movable plates (2112) are connected with the fixed plate (2111) in a sliding mode, a bidirectional screw (2113) is connected to the fixed plate (2111) in a rotating mode, two ends of the bidirectional screw (2113) are connected with the movable plates (2112) in a threaded mode respectively, and at least one dismounting mechanism (22) is arranged on each movable plate (2112).
6. The bridge girder erection machine with automatic girder unloading function according to claim 5, wherein,
The motion mechanism (21) further comprises a rotating shaft (212) and movable rods (213), a plurality of rotating shafts (212) are arranged on one side, away from the movable plates (2112), of each fixed plate (2111), a plurality of movable rods (213) are connected to the rotating shafts (212) in a sliding mode, the sliding directions of the movable rods (213) are consistent with those of the movable plates (2112), rollers (214) are arranged on each movable rod (213), a plurality of tightening pieces (2121) are arranged on the rotating shafts (212), and the tightening pieces (2121) are used for limiting sliding of the movable rods (213).
7. The bridge girder erection machine with automatic girder unloading function according to claim 6, wherein,
A plurality of supporting wheels (2115) are arranged on one side, close to the roller (214), of the movable plate (2112), the supporting wheels (2115) are rotatably connected with the movable plate (2112), the rotation axis of each supporting wheel (2115) is parallel to the rotation axis of the corresponding roller (214), and one supporting wheel (2115) is abutted to one roller (214).
8. An automatic girder-discharging bridge girder erection machine according to any one of the claims 1 to 7, wherein,
The dismounting mechanism (22) is detachably connected with the moving mechanism (21).
9. An automatic beam-unloading bridge girder erection machine as claimed in claim 1, wherein,
Still include and stop and deposit device (3), stop and deposit device (3) including movable frame (31) and parking board (32), movable frame (31) set up in on crown block (13), parking board (32) are fixed in on movable frame (31), parking board (32) are located the case roof beam that is installing and keep away from the one side of adjacent installed case roof beam, parking board (32) are used for accepting all demolish device (2).
10. An automatic beam-unloading bridge girder erection machine as claimed in claim 9, wherein,
The movable frame (31) comprises a transverse frame (311) and a vertical frame (312), the transverse frame (311) is in sliding connection with the crown block (13), the transverse frame (311) is opposite to the crown block (13) in sliding direction, the crown block (13) is opposite to the main beam (11) in sliding direction, a fifth driving piece (131) is arranged on the crown block (13), the fifth driving piece (131) is used for driving the transverse frame (311) to move, the vertical frame (312) is in sliding connection with the transverse frame (311), the vertical frame (312) moves along the vertical direction, a sixth driving piece (3111) is arranged on the transverse frame (311) and is used for driving the vertical frame (312) to move, one end of the parking plate (32) is fixedly connected with the vertical frame (312) and the other end of the parking plate is rotationally connected with a baffle (322), a seventh driving piece (324) is arranged on the parking plate (32), and the seventh driving piece (324) is used for driving the baffle (322) to move upwards along the vertical direction, and the baffle (322) is used for being removed between the device (2).
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| CN202210215120.8A CN114541267B (en) | 2022-03-04 | 2022-03-04 | Bridge girder erection machine capable of automatically unloading girder |
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