A kind of wheel excircle sling and hanging method thereof
Technical field
The invention belongs to the technical field of metallurgical industry production technology equipment, more particularly, the present invention relates to a kind of wheel excircle sling that is used to lift, transport circular wheel and rim.In addition, the invention still further relates to the hanging method of described wheel excircle sling.
Background technology
In steel and iron industry was produced, the technological process of the production of train wheel and rim was long, complicated process.In this process, need carry out repeatedly lifting, transhipment to wheel, as wheel being hung on conveyor roller, wheel is hung on lathe carrying out cutting.Yet because peculiar tread profile of wheel and weight factor, general suspender lifting efficient is subjected to great limitation, and especially under the large-scale condition of production, general suspender can't satisfy the production needs.
The subject matter that employed suspender exists in train wheel production is at present: suspension hook can not open and pack up automatically, needs artificial assisting to carry out laying of suspension hook, and need cooperatively interact with the crane operation personnel, and is harmonious.Because the weight of train wheel is very big, and processing temperature is very high in rolling mill practice, so the difficulty of lifting operation is quite big, production efficiency is lower
Summary of the invention
Problem to be solved by this invention provides a kind of wheel excircle sling and hanging method thereof, its objective is the production efficiency that improves the wheel lifting.
To achieve these goals, the technical scheme that the present invention takes is: this wheel excircle sling that is provided, comprise a pair of suspension hook that inwardly triggers, a pair of welded chain and suspender peg, also be provided with the suspension hook control mechanism on the described suspender, the order of this mechanism from the suspender peg to suspension hook, if horizontal suspension bracket, a vertical suspension rod, the positioning pawl of a pair of symmetry, a location tapered sleeve, a sliding sleeve, an entablatrance, a cross sill, cross sill length is greater than entablatrance, suspender peg and suspension bracket, suspension rod and cross sill, location tapered sleeve and suspension rod are fastenedly connected respectively, the two ends of welded chain connect the two ends of suspension bracket and entablatrance respectively, positioning pawl and suspension bracket are articulated and connected, suspension bracket, sliding sleeve, entablatrance all is enclosed within and becomes sliding block joint on the suspension rod, and said structure all is that the center becomes symmetrical structure with the suspension rod.
Establish the suspension hook pivot link on the described suspension hook and be fastenedly connected and be one with suspension hook, one end of pivot link and the end of cross sill are for being articulated and connected, the longitudinal slot sliding block joint of the other end and entablatrance, when suspension hook straight down the time, suspension hook pivot link top becomes inside inclination.
The outside face of described location tapered sleeve is the conical surface, is big end towards an end of entablatrance, and this end face is provided with the conical surface towards indent.
Described sliding sleeve is the double end cone, and the centre is a maximum outside diameter, and this external diameter equals to locate the maximum outside diameter of tapered sleeve, and the tapering of the cone on top is greater than the inner conical surface of the lower end of location tapered sleeve.
Described positioning pawl be shaped as hook-type, the head of its hook-type is inside, K/UP, the middle part relative position of described positioning pawl vertical direction, form outside protrusion, described positioning pawl and suspension bracket are articulated and connected the position near suspension rod, positioning pawl is when state of nature, and its gib head contacts with the periphery of suspension rod.
The lower end of described suspension rod exceeds the position of cross sill and establishes wheel hole locating piece, and it is shaped as up big and down small cone, and is fastenedly connected with suspension rod and is one, and its cone lower end diameter is less than the aperture of workpiece.
Described a pair of suspension hook, each suspension hook wherein along the circumferential direction is divided into two single hooks again, and the direction that triggers is towards the center of suspension rod, and the top of these two single hooks connects as a whole.
Being articulated and connected of one end of described pivot link and the end of cross sill, its connection structure is provided with pin-and-hole for the horizontal direction on cross sill, connects by pin, and the pin-and-hole of its every end is a plurality of.
In order to realize purpose same as described above, the present invention also provides the hanging method that above-mentioned wheel excircle sling adopted, and workpiece is sling from the lifting position, is sent to riding position and puts down.The process of this method is:
Step a: in the lifting position of workpiece, the suspender peg is hung in overhead traveling crane with lifting hook or cantilever mounted is hung, by the suspender peg suspension bracket is sling, positioning pawl is in positioning pawl and opens the position, and the gib head of positioning pawl catches on the lower end inner conical surface of location tapered sleeve, and suspension bracket, positioning pawl, location tapered sleeve, suspension rod, cross sill bear the gravity of suspension hook, welded chain does not stress, entablatrance is pressed to cross sill by deadweight, and drives suspension hook and open, and its open size is greater than the maximum gauge of wheel rib;
Step b: whole suspender is downwards near wheel, and locating piece guiding in wheel hole is inserted the wheel hole, and cross sill is horizontal to be rested on the end face of wheel, and at this moment, the height of the notch of suspension hook is consistent with the height of wheel rib;
Step c: the suspension bracket continuation descends, and welded chain does not stress, and the gib head of positioning pawl slips over the conical surface on the top of sliding sleeve, reaches positioning pawl up to positioning pawl and replys the position, and suspension bracket stops to descend, and makes the extreme lower position of the gib head arrival sliding sleeve of positioning pawl;
Steps d: suspension bracket rises, and the gib head of positioning pawl drives sliding on the suspension rod and upwards slides, and sliding sleeve is located stopping of tapered sleeve and stopped to slide, the maximum cylindrical that positioning pawl is crossed sliding sleeve and location tapered sleeve continues to rise, arrive positioning pawl lifting position, in this process, welded chain begins stressed and drives the entablatrance upward movement, increase with the distance of cross sill, suspension hook rotates under the drive of entablatrance, and its notch blocks wheel rib and clamping wheel, and is last, whole suspender upward movement is sling workpiece;
Step e: after whole suspender reach a certain height, the riding position that is moved horizontally to workpiece stopped; Or whole suspender is moved horizontally to workpiece in uphill process riding position stops;
Step f: whole suspender descends, make wheel arrive the riding position of workpiece, wheel is subjected to the saddle effect, stops to descend, and suspension hook, cross sill and suspension rod also stop to descend simultaneously, because suspension bracket is still continuing decline, welded chain does not stress, so entablatrance continues to descend and press to cross sill by focusing on certainly, and the drive suspension hook opens, when positioning pawl dropped to positioning pawl and opens, suspension bracket stopped to descend;
Step g: suspension bracket rises, and makes whole suspender leave wheel, and at this moment, positioning pawl catches on the lower end inner conical surface of location tapered sleeve, and a hoisting process finishes.
The present invention adopts technique scheme, makes that wheel excircle sling is rational in infrastructure, configuration is compact, and reduced investment, over-the-road expense are low, pollution-free; Easy to operate, safe and reliable to operation; The flat wheel of shipment efficient height, stressed even, reduce labour intensity, improved production efficiency, help reducing production costs.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is a structural representation of the present invention;
The elevational schematic view that Fig. 2 is obtained by Fig. 1 for suspension hook structure of the present invention.
Be labeled as among the figure: 1, suspension hook, 2, cross sill,, 3, wheel hole locating piece, 4, entablatrance, 5, slide block, 6, the location tapered sleeve, 7, welded chain, 8, positioning pawl, 9, suspension rod, 10, suspension bracket, 11, positioning pawl lifting position, 12, positioning pawl opens the position, 13, positioning pawl is replied the position, 14, suspension hook pivot link, 15, the suspension hook control mechanism, 16, the suspender peg.
The specific embodiment
As Fig. 1 and the expressed structure of the present invention of Fig. 2, the present invention is a kind of wheel excircle sling, and this wheel excircle sling that is provided comprises a pair of suspension hook that inwardly triggers 1, a pair of welded chain 7 and suspender peg 16, be used for workpiece is sling from the lifting position, be sent to riding position and put down.Suspension hook 1 according to the rib of wheel shape, the inner edge at the lifting wheel is provided with notch.During lifting, the rib of wheel is stuck in the notch clamped.The rib of wheel all can lift by crane down with rib up.
Purpose for the production efficiency that realizes improving the wheel lifting, the technical scheme that the present invention takes is: as shown in Figure 1, also be provided with suspension hook control mechanism 15 on the described suspender, this mechanism is 1 order from suspender peg 16 to suspension hook, if horizontal suspension bracket 10, a vertical suspension rod 9, the positioning pawl 8 of a pair of symmetry, a location tapered sleeve 6, a sliding sleeve 5, an entablatrance 4, a cross sill 2, cross sill 2 length are greater than entablatrance 4, suspender peg 16 and suspension bracket 10, suspension rod 9 and cross sill 2, location tapered sleeve 6 is fastenedly connected respectively with suspension rod 9, the two ends of welded chain 7 connect the two ends of suspension bracket 10 and entablatrance 4 respectively, positioning pawl 8 is articulated and connected with suspension bracket 10, suspension bracket 10, sliding sleeve 5, entablatrance 4 all is enclosed within on the suspension rod 9 and becomes sliding block joint, and said structure is that the center becomes symmetrical structure with suspension rod 9 all.
Acting as of suspension hook control mechanism 15 each member:
The effect of suspension bracket 10: by suspender peg 16 suspender is connected with weight-lifting equipment, and the heavy burden structure when as welded chain 7 workpiece being lifted by crane, be the basis of installing and locating pawl 8 simultaneously, suspension rod 9 also works by suspension bracket 10.
The effect of entablatrance 4: when welded chain 7 does not bear a heavy burden, descend, suspension hook 1 is opened by deadweight.
The effect of cross sill 2: being connected with entablatrance 4 by the described suspension hook pivot link 14 in back, playing the effect of heavy burden, is suspension hook 1 rotating basis simultaneously.
The effect of suspension rod 9: be the installation basis of location tapered sleeve 6, sliding sleeve 5, play the effect of slinging cross sill 2 simultaneously with positioning pawl 8.
The effect of positioning pawl 8: the lower surface of catching on location tapered sleeve 6 by positioning pawl 8 makes entablatrance 4 fall by deadweight, and suspension hook 1 is opened.Described positioning pawl 8 be shaped as hook-type, the head of its hook-type inwardly, K/UP, conveniently to catch on the lower surface of location tapered sleeve 6.The middle part relative position of described positioning pawl 8 vertical directions forms outside protrusion, can abdicate location tapered sleeve 6 or sliding sleeve 5, and it is not interfered.Described positioning pawl 8 is articulated and connected the position near suspension rod 9 with suspension bracket 10, is in order to allow positioning pawl 8 when the state of nature, and by the effect of conducting oneself with dignity, its gib head contacts with the periphery of suspension rod 9.
The effect of location tapered sleeve 6: catch on its lower surface with positioning pawl 8, suspension hook 1 is opened, the outside face of described location tapered sleeve 6 is the conical surface, is to hold greatly towards an end of entablatrance 4, and this end face is provided with the conical surface towards indent.The conical surface of its outside face is for positioning pawl 8 can be slipped on its surface.The conical surface of lower end indent is in order to allow positioning pawl 8 catch on.
The effect of sliding sleeve 5: be guiding positioning pawl 8 lifts by crane state to workpiece from the replying state of opening effect.Described sliding sleeve 5 is the double end cone, and the centre is a maximum outside diameter, and this external diameter equals to locate the maximum outside diameter of tapered sleeve 6, and the tapering of the cone on top is greater than the inner conical surface of the lower end of location tapered sleeve 6.The conical surface up and down all is in order to allow positioning pawl 8 slip over easily.
Positioning pawl 8 has three positions:
1, positioning pawl lifting position 11, promptly positioning pawl 8 does not catch on the lower surface of location tapered sleeve 6, and welded chain 7 is stressed, the workpiece lifting;
2, positioning pawl opens position 12, and promptly positioning pawl 8 catches on the lower surface of location tapered sleeve 6, and suspension hook 1 is opened;
3, positioning pawl is replied position 13, is a transition position, and positioning pawl 8 returns after arriving this position immediately, realizes from opening the transformation of position to the lifting position.
Suspension hook 1 to open with packing up be to realize by following structure: establish suspension hook pivot link 14 on the described suspension hook 1 and be fastenedly connected and be one with suspension hook 1, one end of pivot link 14 and the end of cross sill 2 are for being articulated and connected, the longitudinal slot sliding block joint of the other end and entablatrance 4, when suspension hook 1 straight down the time, suspension hook pivot link 14 tops become inside inclination.
The lower end of described suspension rod 9 exceeds the position of cross sill 2 and establishes wheel hole locating piece 3, and it is shaped as up big and down small cone, and is fastenedly connected with suspension rod 9 and is one, and its cone lower end diameter is less than the aperture of workpiece.When workpiece descends, enter the endoporus of wheel easily, to realize that suspender is in wheel location radially.
As shown in Figure 2, described a pair of suspension hook 1, each suspension hook wherein along the circumferential direction is divided into two single hooks again, and the direction that triggers is towards the center of suspension rod 9, and the top of these two single hooks connects as a whole.This structure forms four some liftings, its objective is to make suspender when lifting, and workpiece can not topple, and is safer.
Being articulated and connected of one end of pivot link 14 of the present invention and the end of cross sill 2, its connection structure is provided with pin-and-hole for the horizontal direction on cross sill 2, connects by pin, and the pin-and-hole of its every end is a plurality of.A plurality of pin-and-holes can adapt to the requirement of the workpiece of different-diameter.When changing kind, need to adjust the installation site of hook block 1, promptly change the pin-and-hole of installing.
Adopt technique scheme, make that wheel excircle sling is rational in infrastructure, configuration is compact, reduced investment, over-the-road expense are low, pollution-free; Easy to operate, safe and reliable to operation; Shipment wheel efficient height, stressed even, reduce labour intensity, improved production efficiency, help reducing production costs.
In order to realize purpose same as described above, the present invention also provides the hanging method that above-mentioned wheel excircle sling adopted, and its effect is that workpiece is sling from the lifting position, is sent to riding position and puts down.
The detailed process of said method is:
Step a: in the lifting position of workpiece, suspender peg 16 usefulness lifting hooks are hung in overhead traveling crane or cantilever mounted is hung, by suspender peg 16 suspension bracket 10 is sling, positioning pawl 8 is in positioning pawl and opens position 12, the gib head of positioning pawl 8 catches on the lower end inner conical surface of location tapered sleeve 6, suspension bracket 10, positioning pawl 8, location tapered sleeve 6, suspension rod 9, cross sill 2 bear the gravity of suspension hook 1, welded chain 7 does not stress, entablatrance 4 is pressed to cross sill 2 by deadweight, and drive suspension hook 1 and open, its open size is greater than the maximum gauge of wheel rib;
Step b: whole suspender is downwards near wheel, and locating piece 3 guiding in wheel hole are inserted the wheel holes, and cross sill 2 is horizontal to be rested on the end face of wheel, and at this moment, the height of the notch of suspension hook 1 is consistent with the height of wheel rib;
Step c: suspension bracket 10 continuation descend, and welded chain 7 does not stress, and the gib head of positioning pawl 8 slips over the conical surface on the top of sliding sleeve 5, reach positioning pawl up to positioning pawl 8 and reply position 13, and suspension bracket 10 stops to descend, and make the extreme lower position of the gib head arrival sliding sleeve 5 of positioning pawl 8;
Steps d: suspension bracket 10 rises, the gib head of positioning pawl 8 drives sliding sleeve 5 and upwards slides on suspension rod 9, sliding sleeve 5 is located stopping of tapered sleeve 6 and is stopped to slide, the maximum cylindrical that positioning pawl 8 is crossed sliding sleeve 5 and location tapered sleeve 6 continues to rise, arrive positioning pawl lifting position 11, in this process, stressed and drive entablatrance 4 upward movements of welded chain 7 beginnings, increase with the distance of cross sill 2, suspension hook 1 rotates under the drive of entablatrance 4, and its notch blocks wheel rib and clamping wheel, and is last, whole suspender upward movement is sling workpiece;
Step e: after whole suspender reach a certain height, the riding position that is moved horizontally to workpiece stopped; Or whole suspender is moved horizontally to workpiece in uphill process riding position stops;
Step f: whole suspender descends, make wheel arrive the riding position of workpiece, wheel is subjected to the saddle effect, stops to descend, and suspension hook 1, cross sill 2 and suspension rod 9 also stop to descend simultaneously, because suspension bracket 10 is still continuing decline, welded chain 7 does not stress, so entablatrance 4 continues to descend and press to cross sill 2 by focusing on certainly, and drive suspension hook 1 opens, open the position 12 the time when positioning pawl 8 drops to positioning pawl, suspension bracket 10 stops to descend;
Step g: suspension bracket 10 rises, and makes whole suspender leave wheel, and at this moment, positioning pawl 8 catches on the lower end inner conical surface of location tapered sleeve 6, and a hoisting process finishes.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.