CN114541267A - 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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- CN114541267A CN114541267A CN202210215120.8A CN202210215120A CN114541267A CN 114541267 A CN114541267 A CN 114541267A CN 202210215120 A CN202210215120 A CN 202210215120A CN 114541267 A CN114541267 A CN 114541267A
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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, wherein the bridge girder erection machine comprises a girder and a plurality of crown blocks; the bridge girder erection machine comprises a plurality of bridge girder erection machines, a plurality of dismantling devices and a plurality of control devices, wherein the dismantling devices are arranged separately from the bridge girder erection machines and comprise moving mechanisms and a plurality of dismantling mechanisms; a first driving piece is arranged on at least one dismantling device and used for driving the movement mechanism to move; a disassembly body is used for dismantling the used nut of a cover roof beam, disassembly body includes the runner assembly, the runner assembly includes the fitting piece, the telescopic link, second driving piece and third driving piece, the handle hole has been seted up on the fitting piece, the inner wall of handle hole be used for with the used nut's of cover roof beam perisporium butt, telescopic link one end sets up on the mounting plate, the other end is fixed with the fitting piece, the second driving piece is used for driving telescopic link flexible, the third driving piece is used for driving telescopic link and fitting piece rotation. This application has the effect that makes the work of unloading can go on automatically.
Description
Technical Field
The application relates to the field of bridge engineering, in particular to an automatic girder unloading bridge girder erection machine.
Background
In the process of bridge construction, a box girder is often erected by a bridge erecting machine.
Referring to fig. 1 and 2, in the related art, a box girder 01 has a girder structure with a hollow cavity 011 in the middle; when the bridge girder erection machine hangs the roof beam, can overlap the roof beam earlier, overlap the roof beam and be connected the link 012 of bridge girder erection machine and case roof beam 01 through screw 013, nut 014 and backing plate 015, screw 013 is fixed on the link 012 of bridge girder erection machine, it has the through-hole to open on the case roof beam 01, screw 013 passes the through-hole and stretches into hollow chamber 011 in, then with nut 014 threaded connection, backing plate 015 lies in between nut 014 and the case roof beam 01 inner wall.
When the girder is erected, the box girder 01 is lifted by a winch and placed on a bridge pier, after the girder falls, the nut 014 needs to be disassembled, then the nut 014 and the backing plate 015 are taken away, finally the connecting end 012 is lifted, and the screw 013 is pulled away; during construction, generally, two ends of the box girder 01 are respectively provided with a sleeve girder point 016, and a plurality of screws 013 are arranged at each sleeve girder point 016 in a penetrating manner; the operations of removing and taking away the nut 014 and the washer 015 are all performed manually.
Because the bridge girder erection machine can not automatically unload the girder and disassemble the nut used for sleeving the girder, the construction personnel needs to enter the box girder for operation, but in the actual production, the height of the construction box girder is higher, and the operation efficiency of the construction personnel for entering and exiting the box girder is lower and the danger is very high.
Disclosure of Invention
In order to enable the beam unloading work to be automatically carried out, the application provides a bridge girder erection machine capable of automatically unloading beams.
The application provides an automatic bridge girder erection machine of unloading roof beam adopts following technical scheme:
a bridge girder erection machine capable of automatically unloading girders 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, and a plurality of dismounting devices, the dismounting devices and the bridge girder erection machine can be arranged in a separable mode, and each dismounting device comprises a moving mechanism and a plurality of dismounting mechanisms; the moving mechanism comprises a placing plate and a plurality of idler wheels, the idler wheels are arranged below the placing plate, at least one of the dismounting devices is provided with a first driving piece, and the first driving piece is used for driving the moving mechanism to move; one the disassembly body is used for dismantling the used nut of a cover roof beam, the disassembly body includes the runner assembly, the runner assembly includes fitting piece, telescopic link, second driving piece and third driving piece, the handle hole has been seted up on the fitting piece, the shape of handle hole and the appearance cooperation of the used nut of cover roof beam, the inner wall of handle hole is used for the perisporium butt with the used nut of cover roof beam, telescopic link one end set up in on the mounting plate, the other end with the fitting piece is fixed, the flexible direction of telescopic link is along being close to or keeping away from the direction setting of mounting plate, the second driving piece is used for the drive the flexible of telescopic link, the third driving piece is used for the drive the telescopic link with the fitting piece rotates, the axis of rotation of fitting piece coincides with the axis of the used nut of cover roof beam.
By adopting the technical scheme, after the constructors complete the beam sleeving, the dismounting device is firstly placed in the hollow cavity of the box girder and is arranged below the beam sleeving nut, the height of the telescopic rod is adjusted by the second driving piece, the matching piece is lifted and sleeved on the periphery of the beam sleeving nut, the operation hole is aligned and matched with the beam sleeving nut, then the third driving piece is started, the third driving piece drives the telescopic rod to rotate, the telescopic rod drives the matching piece to rotate, the matching piece drives the beam sleeving nut to rotate, and the matching piece is used for dismounting the beam sleeving nut; the dismounting mechanism is used for dismounting a nut, when all the sleeve beam nuts are completely dismounted, the second driving piece is started to put down the telescopic rod, 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 demolish the device, but only one demolish when being equipped with first driving piece on the device, the position of device is demolishd in the adjustment, will be equipped with the device of demolising of first driving piece and place in the rear, during the start-up, the device of demolishing that is equipped with first driving piece can promote other demolishs in the place ahead and move together, through the structure of this application, can make the automatic work of unloading of bridging machine go on, and demolish the device and can move by oneself and leave, reduced constructor's work load, also reduced the potential safety hazard simultaneously.
Optionally, the rotating assembly further comprises a placing seat, the placing seat is arranged on the placing plate, the telescopic rod is rotatably connected with the placing seat, the telescopic rod is opposite to the rotating axis of the placing seat and is coincided with the rotating axis of the telescopic rod driven by 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 rotatably connected with the matching piece, and the matching piece is opposite to the rotating axis of the piston rod of the second driving piece and is coincided with the rotating axis of the matching piece driven by the third driving piece.
Through adopting above-mentioned technical scheme, when third driving piece drive telescopic link rotated, the fitting piece also can rotate along with the telescopic link, and the piston rod and the fitting piece of second driving piece rotate to be connected, and the rotation of fitting piece and the lift of height can not mutual interference this moment, because the second driving piece is the driving cylinder, and the driving cylinder must meet the pipeline, under the structure of this application, the second driving piece can not rotate along with the telescopic link, has reduced the pipeline of second driving piece and has taken place winding possibility when rotating.
Optionally, the third driving element is disposed on the placing seat, and the third driving element is a motor.
Through adopting above-mentioned technical scheme, this application passes through the motor drive telescopic link and rotates, and the motor can continuously rotate, can dismantle the cover beam nut fast get off to the operation of being convenient for is the preferred scheme of this application.
Optionally, the disassembly body still includes not hard up subassembly, not hard up subassembly includes mounting panel and fourth driving piece, lay the seat with the mounting panel rotates to be connected, it is for to lay the seat the axis of rotation of mounting panel, with the third driving piece driven down the axis of rotation coincidence of fitting piece, the fourth driving piece is the driving cylinder, the fourth driving piece is used for the drive it rotates to lay the seat.
By adopting the technical scheme, the screwed sleeve beam nut is difficult to rotate at first, so that the sleeve beam nut needs to be unscrewed first, and then the sleeve beam nut is dismounted; this application sets up not hard up subassembly, when the cover beam nut is dismantled to needs, moves the fourth drive spare earlier and promotes to lay the seat and rotate, lays the seat and drives the telescopic link and rotate, and the telescopic link drives the fitting piece and rotates, and the fitting piece will overlap the beam nut and unscrew, then carries out the rotation through runner assembly and demolish, so set up the driving cylinder as the fourth drive spare, because the driving cylinder thrust is great usually, and it is comparatively convenient to promote the process, consequently can be quick with overlapping the beam nut and unscrew.
Optionally, the mounting plate includes a fixed plate and two movable plates, two the movable plates with fixed plate sliding connection, it is connected with the two-way screw rod to rotate on the fixed plate, each threaded connection in both ends of two-way screw rod has one the movable plate, every be equipped with at least one on the movable plate disassembly body.
Through adopting above-mentioned technical scheme, when the distance of both sides disassembly body is adjusted to needs to when the cover beam nut of adaptation different positions, can be through rotating the fly leaf motion of two-way screw drive both sides, disassembly body moves along with the motion of fly leaf, realizes the adjustment to the disassembly body position, makes this application can be applicable to the cover beam nut dismantlement operation of different intervals.
Optionally, the motion still includes axis of rotation and movable rod, every one side that the fly leaf was kept away from to the fixed plate all is equipped with a plurality ofly the axis of rotation, one sliding connection has a plurality ofly in the axis of rotation the movable rod, the slip direction of movable rod with the slip direction of fly leaf is unanimous, every all be equipped with on the movable rod the gyro wheel, be equipped with a plurality of lifters in the axis of rotation, the lifters are used for the restriction the slip of movable rod.
Through adopting above-mentioned technical scheme, when the fly leaf drives the disassembly body and moves towards both sides, adjust the removal degree of movable rod, make the movable rod also stretch out towards both sides, then spacing through top retainer piece, can make and demolish that the device is supported more stable, when the hollow chamber of box roof beam inside is narrower, also can withdraw the movable rod through above-mentioned mode to this reduces the horizontal occupation space who demolishs the device, and the device of being convenient for demolishs removes in the box roof beam.
Optionally, a plurality of supporting wheels are arranged on one side of the movable plate close to the roller, the supporting wheels are rotatably connected with the movable plate, the rotating axis of each supporting wheel is parallel to the rotating axis of the roller, and one supporting wheel is abutted to one roller.
Through adopting above-mentioned technical scheme, because be equipped with the disassembly body on the fly leaf, after the fly leaf stretches out outwards, some face can be unsettled, but the disassembly body on the fly leaf is heavier, pushes down the fly leaf easily, has the possibility that leads to fly leaf and gyro wheel to support and bump, consequently sets up the supporting wheel, and the supporting wheel is used for with the gyro wheel butt, under the support of supporting wheel, the possibility that the fly leaf is buckled reduces, and simultaneously, the rotation of gyro wheel also can not influence.
Optionally, the detaching mechanism is detachably connected with the moving mechanism.
Through adopting above-mentioned technical scheme, because the disassembly body quantity that needs to connect at every turn is different, consequently sets up disassembly body and motion into detachable form, and the constructor of being convenient for selects the disassembly body of suitable quantity to install according to the different situation, makes the application scope of this application device wider.
Optionally, the 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 bearing all the dismantling devices.
By adopting the technical scheme, after the dismounting device is operated, the first driving piece is started, all the dismounting devices are moved to the parking plate, the dismounting device and the box girder can be separated, the arrangement and the separation between the dismounting device and the parking device can be completed, and the separable arrangement between the dismounting device and the bridge girder erection machine body can be realized.
Optionally, the adjustable shelf includes crossbearer and perpendicular 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 the fifth driving piece on the overhead traveling crane, the 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 the sixth driving piece on the crossbearer, the sixth driving piece is used for the drive perpendicular frame motion, park board one end with perpendicular frame fixed connection, other end rotate and be connected with the baffle, be equipped with the seventh driving piece on the board of parking, the seventh driving piece is used for the drive the baffle upwards overturns, the baffle with be used for the restriction between the perpendicular frame demolish the device.
By adopting the technical scheme, after all the dismounting devices are parked on the parking plate, the seventh driving piece drives the baffle plate to turn upwards, and the turned baffle plate and the vertical frame limit all the dismounting devices between the baffle plate and the vertical frame, so that the possibility that the dismounting devices fall off from the parking plate is reduced; under the drive of fifth driving piece, parking the board and can moving in the direction that is close to or keeps away from the case roof beam, the constructor of being convenient for adjusts the position of parking the board, and after the case roof beam installation finishes, the board is stopped in the promotion, makes the height of parking the board and case roof beam upper surface be located same height, then transfers the baffle after, demolishs the device and can follow and move to the case roof beam on stopping the board, alright carry out the installation of demolishing the device next time.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the dismounting device realizes the automatic dismounting of the box girder, and lightens the workload of constructors;
2. the loosening assembly is used for loosening the nut, the rotating assembly is used for disassembling, and the loosening assembly and the rotating assembly are matched with each other to disassemble the nut used for sleeving the beam;
3. the stopping device is used for arranging and moving the dismounting device after the nuts used for sleeving the beams are dismounted.
Drawings
FIG. 1 is a schematic structural diagram of a related art of the present application;
FIG. 2 is a schematic structural view of a nut according to the related art of the present application;
FIG. 3 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 4 is a schematic structural view of a demolition arrangement according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a first drive member in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a rotating assembly in accordance with an embodiment of the present application;
FIG. 7 is a schematic structural view of a loose assembly of an embodiment of the present application;
FIG. 8 is a schematic structural diagram of an equipment cabinet according to an embodiment of the present application;
FIG. 9 is a schematic view of a fitting and nut according to an embodiment of the present application;
FIG. 10 is a schematic structural diagram of a parking apparatus according to an embodiment of the present application;
fig. 11 is a schematic structural diagram of a limiting plate according to an embodiment of the application;
fig. 12 is an enlarged schematic view at a in fig. 11.
Description of reference numerals: 01. a box girder; 011. a hollow cavity; 012. a connecting end; 013. a screw; 014. a nut; 015. a base plate; 016. sleeving a beam point; 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 motion mechanism; 211. placing a 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 top tightening member; 213. a movable rod; 214. a roller; 22. a disassembly mechanism; 221. a rotating assembly; 2211. a mating member; 2212. a telescopic rod; 2213. a placing seat; 2214. a second driving member; 2215. a third driving member; 2216. an operation hole; 2217. an extension rod; 2218. fixing a sleeve; 2219. a turntable; 2201. a transmission gear; 2202. a rotating ring; 2203. a support shaft; 2204. an extension pole; 2205. a universal wheel; 222. loosening the assembly; 2221. mounting a plate; 2222. a fourth drive; 23. a first driving member; 231. a drive motor; 232. a sprocket; 233. a chain; 3. a storage stopping device; 31. a movable frame; 311. a cross frame; 3111. a sixth driving member; 312. erecting; 32. a parking plate; 321. a limiting plate; 322. a baffle plate; 323. a communicating hole; 324. a seventh driving member.
Detailed Description
The present application is described in further detail below with reference to figures 1-12.
Referring to fig. 1 and 2, in the related art, a box girder 01 has a girder structure with a hollow cavity 011 in the middle; when a bridge girder erection machine hangs a girder, the girder is sleeved firstly, namely, a connecting end 012 of the bridge girder erection machine is connected with a box girder 01 through a screw 013, a nut 014 and a cushion plate 015, the screw 013 is fixed on the connecting end 012 of the bridge girder erection machine, the box girder 01 is provided with a through hole, 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 cushion plate 015 is positioned between the nut 014 and the inner wall of the box girder 01; during construction, two ends of the box girder 01 are generally provided with one girder sleeving point 016 respectively, and a plurality of screws 013 are inserted into each girder sleeving point 016, and the embodiment takes two girder sleeving points 016 as an example.
The embodiment of the application discloses a bridge girder erection machine capable of automatically unloading girders.
Referring to fig. 3, the bridge girder erection machine capable of automatically unloading the girder 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 main girder 11, support legs 12 and a plurality of crown blocks 13, the main girder 11 is supported on a pier through the support legs 12, the crown blocks 13 move on the main girder 11, the moving direction of the crown blocks 13 is the same as the length direction of the main girder 11, meanwhile, the moving direction of the crown blocks 13 is also the same as the length direction of the box girder 01, and the number of the crown blocks 13 is the same as the number of the set girder points 016.
Referring to fig. 4, the demolition arrangement 2 comprises a movement mechanism 21 and a number of demolition mechanisms 22.
Referring to fig. 4, the moving mechanism 21 includes a seating plate 211, a rotation shaft 212, a movable bar 213, and a plurality of rollers 214.
Referring to fig. 4, the placing plate 211 includes a fixed plate 2111 and two movable plates 2112, dovetail blocks are welded on the fixed plate 2111, each movable plate 2112 is provided with a dovetail groove, the dovetail grooves are matched with the dovetail blocks, 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; a bidirectional screw 2113 is rotatably connected to the fixed plate 2111 through a support and a bearing, a rotating nut 2114 is welded in the middle of the bidirectional screw 2113, the rotating nut 2114 and the bidirectional screw 2113 are coaxially arranged, the rotating nut 2114 facilitates a constructor to rotate the bidirectional screw 2113, two ends of the bidirectional screw 2113 are respectively in threaded connection with a movable plate 2112, each movable plate 2112 is detachably connected with two detaching mechanisms 22, and in other embodiments, three or four detaching mechanisms 22 are detachably connected to each movable plate 2112.
Referring to fig. 4, two fixing seats are welded on one side of the fixing plate 2111 away from the movable plate 2112, the distribution direction of the two fixing seats is perpendicular to the sliding direction of the movable plate 2112, a rotating shaft 212 is rotatably connected in each fixing seat 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 to each rotating shaft 212, and in other embodiments, more than two movable rods 213 are also slidably connected to 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 axis of rotation 212 overlaps outside the movable rod 213, and the both ends wall of axis of rotation 212 has all seted up the square hole, and a movable rod 213 inserts to a square hole, and every movable rod 213 all has one end respectively to stretch out outside the axis of rotation 212 tip, and the one end welding that stretches out outside the axis of rotation 212 on every movable rod 213 has gyro wheel 214, and the axis of rotation of gyro wheel 214 coincides with the axis of rotation 212.
Referring to fig. 5, the rotating shaft 212 is provided with a plurality of tightening members 2121, the tightening members 2121 are used for limiting the sliding of the movable rod 213, in this embodiment, the tightening members 2121 are studs, the tightening members 2121 are in threaded connection with the rotating shaft 212, two ends of the rotating shaft 212 are respectively provided with one tightening member 2121, and one tightening member 2121 is used for tightening one movable rod 213; in other embodiments, the tightening member 2121 is a pad, and the tightening member 2121 is inserted into the gap between the inner wall of the square hole of the rotating shaft 212 and the movable rod 213 to limit the movement of the movable rod 213.
Referring to fig. 5, two supporting wheels 2115 are disposed on one side of each movable plate 2112 close to the roller 214, the supporting wheels 2115 and the movable plates 2112 are rotatably connected with the bearings through the supports, the rotation axis of the supporting wheels 2115 is parallel to the rotation axis of the roller 214, and one supporting wheel 2115 is used for abutting against one roller 214.
Referring to fig. 3, 4 and 5, in the present embodiment, two detaching devices 2 are provided, and one detaching device 2 is used for detaching a bolt at one sleeve beam point 016, in the present embodiment, only one detaching device 2 is provided with a first driving member 23, the first driving member 23 includes a driving motor 231, a chain wheel 232 and a chain 233, the driving motor 231 is fixed on the fixing plate 2111 by a screw, an output end of the driving motor 231 is connected with the chain wheel 232 by a coupler, an annular chain wheel 232 is coaxially welded on one rotating shaft 212 of the detaching device 2 provided with the first driving member 23, and the two chain wheels 232 are driven by the chain 233; when hoisting the box girder 01, the end of the box girder 01 being installed away from the adjacent installed box girder 01 is defined as an exit end 017, and when only one of the dismantling devices 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 away from the exit end 017.
Referring to fig. 5, a detaching mechanism 22 is used for detaching a nut 014 for a collar beam, the detaching mechanism 22 is disposed on the moving mechanism 21, and the detaching mechanism 22 includes a rotating assembly 221 and a loosening assembly 222.
Referring to fig. 6, the rotation assembly 221 includes a fitting member 2211, a telescopic rod 2212, a seating 2213, a second driving member 2214 and a third driving member 2215.
Referring to fig. 6, a fitting 2211 is provided with an operation hole 2216, the shape of the operation hole 2216 is matched with the shape of a nut 014 for the sleeve beam, in this embodiment, the nut 014 for the sleeve beam is a hexagonal nut 014, the operation hole 2216 is a hexagonal socket, and the inner wall of the operation hole 2216 is used for abutting against the peripheral wall of the nut 014 for the sleeve beam; telescopic link 2212 includes cuboid columnar extension rod 2217 and the fixed cover 2218 of square tube form, and the interior tube hole of fixed cover 2218 is the square hole, and extension rod 2217 slides in the interior tube hole of fixed cover 2218, and fixed cover 2218 overlaps outside extension rod 2217, and extension rod 2217 can only slide relatively with fixed cover 2218, can not rotate relatively, and fitting piece 2211 welds in the one end that fixed cover 2218 was kept away from to extension rod 2217.
Referring to fig. 6, the placing base 2213 is a hollow box, a rotating disc 2219 is arranged on the placing base 2213, the rotating disc 2219 is rotatably connected with one plate surface of the placing base 2213 through a bearing, one end of the fixing sleeve 2218, which is far away from the fitting piece 2211, is welded with the rotating disc 2219, the telescopic direction of the telescopic rod 2212 is consistent with the direction of the rotating axis of the rotating disc 2219, an extending column is welded on the plate surface of the rotating disc 2219, which is far away from the fixing sleeve 2218, a gear is coaxially welded on the extending column, and the gear is located in an inner cavity of the placing base 2213; the third driving element 2215 is a motor, the rotating shaft of the third driving element 2215 extends into the placing seat 2213, a gear is coaxially fixed on the rotating shaft of the third driving element 2215 through a connector, the gear connected to the third driving element 2215 also extends into the inner cavity of the placing seat 2213, the gear on the turntable 2219 and the gear on the third driving element 2215 are driven through a transmission gear 2201, the transmission gear 2201 is rotatably 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 element 2215 can drive the telescopic rod 2212 to rotate.
Referring to fig. 6, the second driving member 2214 is an oil cylinder, a cylinder body of the second driving member 2214 is fixedly connected to the side wall of the placing base 2213 provided with the telescopic rod 2212 by screws, and the telescopic direction of the second driving member 2214 is consistent with that of the telescopic rod 2212; extension rod 2217 connects the one end of fitting piece 2211 and inwards opens there is the annular, is equipped with rolling bearing in the annular, and the rolling bearing overcoat is equipped with swivel 2202, and second driving piece 2214's piston rod passes through the connecting rod with swivel 2202 and is connected, connecting rod one end and swivel 2202 welding, the other end and second driving piece 2214's piston rod fixed connection.
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 holder 2213 and the mounting plate 2221, the support shaft 2203 is located on a side wall of the holder 2213 away from the telescopic rod 2212, one end of the support shaft 2203 is welded to the holder 2213, and the other end is rotatably connected to the mounting plate 2221 through a bearing; the placing seat 2213 is overlapped with the rotating axis of the fitting piece 2211 driven by the third driving piece 2215 relative to the rotating axis of the mounting plate 2221, the support shaft 2203 is welded with an extension rod 2204, and the extension rod 2204 extends towards the outer side of the support shaft 2203; the fourth driving part 2222 is an oil cylinder, the cylinder body of the fourth driving part 2222 is hinged with the mounting plate 2221, the piston rod of the fourth driving part 2222 is hinged with the extension rod 2204, the hinge axis of the fourth driving part 2222 and the mounting plate 2221 is parallel to the hinge axis between the piston rod of the fourth driving part 2222 and the extension rod 2204, the rotation axis of the fourth driving part 2222 is parallel to the rotation axis of the support shaft 2203, and the fourth driving part 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 to the mounting plate 2221, and the universal wheel 2205 is used for supporting the suspended 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 supply, a sensor, a receiver, and the like; when the dismounting 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 arranged along the vertical direction, the telescopic rod 2212 drives the fitting piece 2211 to rotate, and the rotating axis of the fitting piece 2211 is superposed with the axis of the nut 014 used for sleeving the 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 member 2215, and the rotation axis of the fitting piece 2211 relative to the piston rod of the second driving member 2214 is coincident with the rotation axis of the fitting piece 2211 driven by the third driving member 2215.
Referring to fig. 10, the parking apparatus 3 includes a movable frame 31 and a parking plate 32.
Referring to fig. 10, a movable frame 31 slides on a crown block 13 near an outlet end 017, the movable frame 31 including a cross frame 311 and a vertical frame 312; the cross frame 311 is a frame structure formed by connecting two straight rods with each other through a connecting rod, the length direction of the cross frame 311 is horizontally arranged, the sliding direction of the cross frame 311 relative to the overhead traveling crane 13 is consistent with the sliding direction of the overhead traveling crane 13 on the main beam 11, two fifth driving pieces 131 are arranged on the overhead traveling crane 13, the fifth driving pieces 131 are winches, and ropes of the two fifth driving pieces 131 are respectively connected with one end of the cross frame 311, so that the motion of the cross frame 311 is driven and controlled; the vertical frame 312 is a rectangular frame, the vertical frame 312 is slidably connected with the horizontal frame 311, the vertical frame 312 slides along the vertical direction, a sixth driving part 3111 is arranged on the horizontal frame 311, the sixth driving part 3111 is a winch, a rope of the sixth driving part 3111 is connected with the vertical frame 312, and the sixth driving part 3111 is used for driving the vertical frame 312 to move.
Referring to fig. 10, the parking plate 32 is located on one side of the box girder 01 being installed, which is far away from the adjacent installed box girder 01, the parking plate 32 is rectangular plate-shaped, the length direction of the parking plate 32 is consistent with the length direction of the cross frame 311, the length direction of the parking plate 32 is consistent with the movement direction of the movement mechanism 21 in the box girder 01, and the limiting plates 321 are welded on two sides of the parking plate 32 in the length direction; when accepting and demolising device 2, the height of parking board 32 upper plate face is located the hollow cavity 011 below of box girder 01, demolish device 2 and come out the back from box girder 01 internal motion, parking board 32 is used for accepting and demolising device 2, parking board 32 one end with erect frame 312 fixed connection, the other end articulates there is baffle 322, the articulated axis of baffle 322 sets up along the horizontal direction, the articulated axis of baffle 322 is unanimous with the distribution direction of two limiting plates 321, baffle 322 can upwards overturn.
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 the hinge position of the blocking 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 blocking plate 322 along the communication hole 323 and is fixed to one end of the blocking plate 322, which is far away from the vertical frame 312, the seventh driving member 324 is used for driving the blocking plate 322 to turn upwards, the blocking plate 322 and the vertical frame 312 are used for limiting the dismounting device 2, and the parking plate 32 has a length capable of parking all the dismounting devices 2.
The implementation principle of the bridge girder erection machine capable of automatically unloading the girder in the embodiment of the application is as follows: when the bridge erecting machine 1 is used for carrying out bridge erecting operation, the height of the telescopic rod 2212 is adjusted firstly, the matching piece 2211 is sleeved outside the sleeve beam nut 014, then the box beam 01 is hoisted and placed, after the box beam 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 sleeve beam is unscrewed, the third driving piece 2215 is started, the nut 014 is rotated and unscrewed, the nut 014 falls into the matching piece 2211, then the telescopic rod 2212 is retracted, the base plate 015 falls onto the matching piece 2211, and the operations can be remotely operated through wireless equipment; after the disassembly is finished, the first driving part 23 of the device 2 is detached at the rear part is started, the first driving part 23 drives the detaching device 2 at the rear part to move, the detaching device 2 located in the front part is pushed onto the parking plate 32, then the seventh driving part 324 is started to pull up the baffle 322, the vertical frame 312 and the limiting plate 321 limit the detaching device 2 on the parking plate 32, then the position of the parking plate 32 is adjusted through the fifth driving part 131 and the sixth driving part 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 can be detached for secondary use by constructors conveniently.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present 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) includes girder (11) and a plurality of overhead traveling crane (13), overhead traveling crane (13) are in move on girder (11), its characterized in that still includes:
the bridge girder erection machine comprises a plurality of dismantling devices (2), wherein the dismantling devices (2) are arranged separately from the bridge girder erection machine (1), and each dismantling device (2) comprises a movement mechanism (21) and a plurality of dismantling mechanisms (22);
the moving mechanism (21) comprises a placing plate (211) and a plurality of rollers (214), the rollers (214) are arranged below the placing plate (211), at least one of the dismounting devices (2) is provided with a first driving part (23), and the first driving part (23) is used for driving the moving mechanism (21) to move;
one the disassembly mechanism (22) is used for disassembling a nut used for a sleeve beam, the disassembly mechanism (22) comprises a rotating assembly (221), the rotating assembly (221) comprises a fitting piece (2211), a telescopic rod (2212), a second driving piece (2214) and a third driving piece (2215), an operation hole (2216) is formed in the fitting piece (2211), the shape of the operation hole (2216) is matched with the shape of the nut used for the sleeve beam, the inner wall of the operation hole (2216) is used for abutting against the circumferential wall of the nut used for the sleeve beam, one end of the telescopic rod (2212) is arranged on the arrangement plate (211), the other end of the telescopic rod is fixed with the fitting piece (2211), the telescopic direction of the telescopic rod (2212) is arranged along the direction close to or far away from the arrangement plate (211), the second driving piece (2214) is used for driving the telescopic rod (2212), and the third driving piece (2215) is used for driving the telescopic rod (2212) and the fitting piece (2211) to rotate, the axis of rotation of the fitting piece (2211) coincides with the axis of the nut for the collar beam.
2. An automatic beam-unloading bridge girder erection machine according to claim 1,
rotating assembly (221) is still including laying seat (2213), lay seat (2213) set up in on the arrangement board (211), telescopic link (2212) with lay seat (2213) and rotate and connect, telescopic link (2212) for lay the axis of rotation of seat (2213), with third driving piece (2215) drive down the axis of rotation coincidence of telescopic link (2212), second driving piece (2214) for the driving cylinder and be fixed in lay on the seat (2213), the piston rod of second driving piece (2214) with fitting piece (2211) rotate and connect, fitting piece (2211) for the axis of rotation of second driving piece (2214) piston rod, with third driving piece (2215) drive down the axis of rotation coincidence of fitting piece (2211).
3. An automatic beam-unloading bridge girder erection machine according to claim 2,
the third driving member (2215) is arranged on the placing seat (2213), and the third driving member (2215) is a motor.
4. An automatic beam-unloading bridge girder erection machine according to claim 2,
the disassembly mechanism (22) still includes not hard up subassembly (222), not hard up subassembly (222) includes mounting panel (2221) and fourth drive spare (2222), lay seat (2213) with mounting panel (2221) is rotated and is connected, lay seat (2213) for the axis of rotation of mounting panel (2221), with third drive spare (2215) drive down the axis of rotation coincidence of fitting piece (2211), fourth drive spare (2222) is the driving cylinder, fourth drive spare (2222) are used for the drive lay seat (2213) and rotate.
5. An automatic beam-unloading bridge girder erection machine according to claim 1,
placement board (211) are including fixed plate (2111) and two fly leaf (2112), two fly leaf (2112) with fixed plate (2111) sliding connection, it is connected with two-way screw rod (2113) to rotate on fixed plate (2111), each threaded connection in both ends of two-way screw rod (2113) has one fly leaf (2112), every be equipped with at least one on fly leaf (2112) disassembly body (22).
6. An automatic beam-unloading bridge girder erection machine according to claim 5,
motion (21) still includes axis of rotation (212) and movable rod (213), every one side that activity board (2112) was kept away from in fixed plate (2111) all is equipped with a plurality ofly axis of rotation (212), one sliding connection has a plurality ofly on axis of rotation (212) movable rod (213), the slip direction of movable rod (213) with the slip direction of activity board (2112) is unanimous, every all be equipped with on activity rod (213) gyro wheel (214), be equipped with a plurality of holding up pieces (2121) on axis of rotation (212), holding up piece (2121) is used for the restriction the slip of activity rod (213).
7. An automatic beam-unloading bridge girder erection machine according to claim 6,
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 rotating axis of each supporting wheel (2115) is parallel to that of the roller (214), and one supporting wheel (2115) abuts against one roller (214).
8. An automatic girder unloading bridge erecting machine according to any one of claims 1 to 7,
the disassembling mechanism (22) is detachably connected with the moving mechanism (21).
9. An automatic beam-unloading bridge girder erection machine according to claim 1,
still including stopping depositing device (3), it includes adjustable shelf (31) and stops depositing board (32) to stop depositing device (3), adjustable shelf (31) set up in on overhead traveling crane (13), it is fixed in to stop depositing board (32) on adjustable shelf (31), it is located the box girder of installing and keeps away from adjacent one side of having installed the box girder to stop depositing board (32), it is used for accepting all to stop depositing board (32) demolish device (2).
10. An automatic beam-unloading bridge girder erection machine according to claim 9,
the movable frame (31) comprises a transverse frame (311) and a vertical frame (312), the transverse frame (311) is connected with the overhead traveling crane (13) in a sliding manner, the transverse frame (311) is corresponding to the sliding direction of the overhead traveling crane (13) and the sliding direction of the overhead traveling crane (13) corresponding to the main beam (11), a fifth driving piece (131) is arranged on the overhead traveling crane (13), the fifth driving piece (131) is used for driving the transverse frame (311) to move, the vertical frame (312) is connected with the transverse frame (311) in a sliding manner, the vertical frame (312) moves along the vertical direction, a sixth driving piece (3111) is arranged on the transverse frame (311), the sixth driving piece (3111) 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), the other end of the parking plate (32) is connected with a baffle (322) in a rotating manner, and a seventh driving piece (324) is arranged on the parking plate (32), the seventh driving piece (324) is used for driving the baffle (322) to turn upwards, and the baffle (322) and the vertical frame (312) are used for limiting the dismounting 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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| CN202210215120.8A CN114541267B (en) | 2022-03-04 | 2022-03-04 | Bridge girder erection machine capable of automatically unloading girder |
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