Summary of the invention
At the deficiencies in the prior art, technical problem to be solved by this invention is how to provide a kind of lifting for convenience detach, raising inspection speed, the roughing mill breast roll maintenance frock of reduction labour intensity.
In order to solve the problems of the technologies described above, adopted following technical scheme among the present invention:
A kind of roughing mill breast roll maintenance frock is characterized in that, comprises
Push-and-pull dolly, described push-and-pull dolly comprise the vehicle frame of cuboid plate shape and are positioned at the wheel of vehicle frame below, wheel and roughing mill work roll changing Orbit Matching;
Roll change hook, described roll change hook are " U " font with two tip sides, and the tip side of roll change hook is detachably connected on an end end of push-and-pull car frame length direction by bolt;
The roll change rail mechanism, the roll change rail mechanism comprises the two row's columns that arrange along the frame width direction, two of every rows, two row's columns are relative along its length, every root post lower end has for the boss that connects and can pass boss by bolt makes column be fixed in vehicle frame, column upper end ahead running frame width is provided with mounting groove, has dowel hole on the column of mounting groove one side, the roll change rail mechanism also comprises the track strip that can be installed in the mounting groove of column upper end, and described track strip can lean on alignment pin screw-in dowel hole hole to fix after being installed on mounting groove;
The roller that traversing dolly, traversing dolly comprise into the frame of hollow structure and an end opening and be positioned at below, frame two ends, described roller can be connected to matchingly on two track strips of arranging on the columns and roll;
Lifting apparatus, described lifting apparatus comprises the base plate that is horizontally set on the vehicle frame position between two row's columns along the length direction, the base plate two ends are connected in two horizontal guide slots of vehicle frame top slidably, along the length direction two ends are provided with two guide cylinder mechanisms on the base plate, guide cylinder mechanism top is provided with lifting platform, lifting platform length is less than the length of traversing dolly frame hollow position, described guide cylinder mechanism comprises the following slide cartridge that is fixed on the base plate and is fixed on the last slide cartridge of lifting platform below, following slide cartridge and the mutual socket of last slide cartridge; The two ends of described lifting platform upper length direction have the projection that upper surface is arcwall face; The two ends that are positioned at length direction between base plate and the lifting platform also are provided with two jack.
Adopt detachable design between each member of this frock, during maintenance as required the scene carry out assembly and disassembly, may further comprise the steps when specifically overhauling
A, tentatively assemble above-mentioned roughing mill breast roll maintenance frock, with bolt the roll change hook is connected with vehicle frame, the column of roll change rail mechanism is fixed on the vehicle frame upper surface with bolt, track strip is installed in the mounting groove of column upper end, and fix with alignment pin, lifting apparatus mechanism is packed on the vehicle frame in the horizontal guide slot in the plane, and 2 jack are installed at the two ends at length direction below lifting platform;
B, with driving the maintenance frock of above-mentioned preliminary assembling is winched on the roughing mill work roll changing track again, after in place, with driving traversing dolly is put to the roll change rail mechanism again, with the roughing mill roll change buggy push-and-pull dolly is pushed into maintenance position in the roughing mill memorial archway, the roll change rail mechanism overlaps with rolling centerline along the rolling line center line;
C, breast roll is unclamped from the roughing mill dismounting together with the bearing block at two ends and guide and guard mechanism integral body, with guide and guard on the roughing mill with the breast roll integral body one section height of slinging; Other gets track section bar one end and the track strip overlap joint that is fixed on the column, other end clamping is gone in the inboard surface groove of roughing mill memorial archway, under manually traversing dolly being pushed into breast roll integral body along track strip, with the whole decline of breast roll, be placed on the traversing dolly, on traversing dolly, with driving traversing dolly and breast roll integral body are pulled to push-and-pull car frame top with steel wire loop;
The position of d, the traversing dolly of adjustment and lifting platform, lifting platform is positioned under the breast roll integral body, with jack the lifting platform level is raise, the arcwall face of the projection at two ends, lifting platform top contacts with the breast roll roller, until lifting platform breast roll integral body is held up, manually traversing dolly is pushed into the installation position of breast roll, removes with the track strip on the column with by two root posts of breast roll one side, avoid when the whole upset of breast roll, interfering;
E, continuation raise the lifting platform level, when breast roll is risen overally, manually dragging breast roll integral body moves horizontally along horizontal guide slot, two side shaft holders that overturn simultaneously, until the width of the horizontal direction of breast roll integral body (containing guide and guard) less than the minimum dimension of roughing mill memorial archway window with after avoiding interfering; Be that available roll change buggy is pulled out mill housing with the push-and-pull dolly this moment, overhauls and change.
This frock is applicant's autonomous Design, take full advantage of the function of online equipment (such as equipment such as roughing mill work roll changing track, driving, roughing mill roll change buggy, jack) during its maintenance, be aided with correct operating methods, can be quickly and easily with breast roll together with the bearing block at two ends and guide and guard mechanism integral body from disassembled for transport on the roughing mill to outside clearing, change again and overhaul, only need contrary operation can realize easily changing during replacing.Like this, realized first replacing, maintenance again, the mechanism that maintenance is good can be used for next the replacing and use, and has reduced the maintenance off-time greatly, can the periodic replacement of realization equipment overhaul simultaneously, has guaranteed the stability of producing.
This roughing mill breast roll maintenance frock adopts detachable connection between each mechanism, can adapt to the narrow defective of site space like this, carries out assembly and disassembly as required at the scene, bumps and interferes avoiding, and guarantees safety.In the frock, the push-and-pull dolly of design is as the basis of carrying and conveying breast roll, and push-and-pull dolly below wheel and roughing mill work roll changing Orbit Matching can take full advantage of existing roughing mill work roll changing track as delivery track, the convenient conveying.In the frock, the roll change rail mechanism of design, adopt detachable ways of connecting, can in use track strip be snapped into below, breast roll installation position, framework goes out the track that breast roll moves, when shifting out the back upset, can earlier the part column be dismantled breast roll simultaneously, avoid interfering, guarantee carrying out smoothly of conveying, also possess characteristic of simple structure simultaneously.In the frock, the traversing dolly of design adopts the frame structure of hollow and an end opening to form little vehicle main body, namely guaranteed whole bonding strength, alleviated overall weight again, can also avoid interfering with lifting apparatus simultaneously, the assurance whole transportation process is carried out smoothly; Also possess in addition simple in structure, the characteristics that implementation cost is cheap.In the frock, the lifting apparatus that adopts, adopt one slidably to be connected to the interior base plate of two horizontal guide slots in vehicle frame top as gripper shoe, can conveniently regulate the lifting apparatus position, make it over against below the breast roll that shifts out, guide cylinder can guarantee the stability of lifting, the upper surface of the projection at lifting platform two ends is arcwall face, can guarantee fully to contact with the breast roll roll body, guarantee the breast roll positioning stablity, more laborsaving and stable in the time of the breast roll of the convenient upset of arcwall face simultaneously, rotate to an angle to avoid interference after adopting lifting apparatus with the breast roll lifting, namely reliably the push-and-pull dolly is pulled out mill housing.
In sum, the present invention has realized the dismounting lifting of roughing mill breast roll, and makes that the dismounting hoisting process is convenient and swift, and the breast roll dismounting is transported to outside maintenance, namely improves inspection speed, reduces labour intensity; Realized simultaneously changing again earlier and repaiied, can guarantee the normal operation of equipment.So it is continuous, efficient that the present invention can guarantee that hot rolling is produced, stable, direct motion; Guaranteed the efficient of maintenance, high-quality in order, reduce the breast roll on-bne repair time.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Be illustrated in fig. 1 shown below, this roughing mill breast roll maintenance frock comprises
Push-and-pull dolly, described push-and-pull dolly comprise the vehicle frame 1 of cuboid plate shape and are positioned at the wheel 2 of vehicle frame 1 below, wheel 2 and roughing mill work roll changing Orbit Matching;
Roll change hook 3, described roll change hook 3 is for having " U " font of two tip sides, and the tip side of roll change hook 3 is detachably connected on an end end of push-and-pull car frame 1 length direction by bolt;
The roll change rail mechanism, the roll change rail mechanism comprises the two row's columns 4 that arrange along the frame width direction, two of every rows, two row's columns are relative along its length, every root post 4 lower ends have for the boss that connects and can pass boss by bolt makes column be fixed in vehicle frame 1, column 4 upper ends ahead running frame width is provided with mounting groove, has dowel hole on the column of mounting groove one side, the roll change rail mechanism also comprises the track strip 5 that can be installed in the mounting groove of column upper end, and described track strip 5 can lean on alignment pin screw-in dowel hole to fix after being installed on mounting groove;
The roller 7 that traversing dolly, traversing dolly comprise into the frame 6 of hollow structure and an end opening and be positioned at below, frame 6 two ends, described roller 7 can be connected to matchingly on two track strips of arranging on the columns 5 and roll;
Lifting apparatus, described lifting apparatus comprises the base plate 8 that is horizontally set on the vehicle frame position between two row's columns 4 along the length direction, base plate 8 two ends are connected in two horizontal guide slots 9 of vehicle frame 1 top slidably, along the length direction two ends are provided with two guide cylinder mechanisms 10 on the base plate 8, guide cylinder mechanism 10 tops are provided with lifting platform 11, lifting platform 11 length are less than the length of traversing dolly frame hollow position, described guide cylinder mechanism 10 comprises the following slide cartridge that is fixed on the base plate 1 and is fixed on the last slide cartridge of lifting platform 11 belows, following slide cartridge and the mutual socket of last slide cartridge; The two ends of described lifting platform 11 upper length directions have the projection 12 that upper surface is arcwall face; The two ends that are positioned at length direction between base plate 8 and the lifting platform 11 also are provided with two jack 13.
Adopt detachable design between each member of this frock, during maintenance as required the scene carry out assembly and disassembly, may further comprise the steps when specifically overhauling
A, tentatively assemble above-mentioned roughing mill breast roll maintenance frock, with bolt the roll change hook is connected with vehicle frame, the column of roll change rail mechanism is fixed on the vehicle frame upper surface with bolt, track strip is installed in the mounting groove of column upper end, and fix with alignment pin, lifting apparatus mechanism is packed on the vehicle frame in the horizontal guide slot in the plane, and below lifting platform, install 2 jack at the two ends of length direction additional;
B, with driving the maintenance frock of above-mentioned preliminary assembling is winched on the roughing mill work roll changing track again, after in place, with driving traversing dolly is put to the roll change rail mechanism again, with the roughing mill roll change buggy push-and-pull dolly is pushed into maintenance position in the roughing mill memorial archway, the roll change rail mechanism overlaps with rolling centerline along the rolling line center line;
C, breast roll is unclamped from the roughing mill dismounting together with the bearing block at two ends and guide and guard mechanism integral body, with guide and guard on the roughing mill with the breast roll integral body one section height of slinging; Other gets track section bar one end and the track strip overlap joint that is fixed on the column, other end clamping is gone in the inboard surface groove of roughing mill memorial archway, under manually traversing dolly being pushed into breast roll integral body along track strip, with the whole decline of breast roll, be placed on the traversing dolly, on traversing dolly, with driving traversing dolly and breast roll integral body are pulled to push-and-pull car frame top with steel wire loop;
The position of d, the traversing dolly of adjustment and lifting platform, lifting platform is positioned under the breast roll integral body, with jack the lifting platform level is raise, the arcwall face of the projection at two ends, lifting platform top contacts with the breast roll roller, until lifting platform breast roll integral body is held up, manually traversing dolly is pushed into the installation position of breast roll, removes with the track strip on the column with by two root posts of breast roll one side, avoid when the whole upset of breast roll, interfering;
E, continuation raise the lifting platform level, when breast roll is risen overally, manually dragging breast roll integral body moves horizontally along horizontal guide slot, two side shaft holders that overturn simultaneously, until the width of the horizontal direction of breast roll integral body (containing guide and guard) less than the minimum dimension of roughing mill memorial archway window with after avoiding interfering; Be that available roll change buggy is pulled out mill housing with the push-and-pull dolly this moment, overhauls and change.