CN211876752U - Lifting device for supplementary double slab blank centering - Google Patents

Abstract

The utility model discloses a lifting device for assisting the centering of double-row slab blanks, which comprises a lifting beam assembly, a swing arm system and a driving system which are arranged from top to bottom in sequence; the driving system is used for driving the lifting beam assembly to do lifting motion by driving the swing arm system; wherein, the lifting beam assembly includes: a plurality of supports fixed on a side frame of the conveying roller way; the plurality of supports are arranged at intervals along the central line of the conveying roller way; a group of cross beams are hinged to each support; the upper part of each group of cross beams is sequentially hinged with a plurality of rollers; and the lower parts of the multiple groups of cross beams are fixed with connecting beams. The utility model discloses a hydraulic pressure mode goes up and down, realizes two rows of slabs and goes up and down simultaneously, maintains simple and conveniently.

Description

Lifting device for supplementary double slab blank centering

Technical Field

The utility model relates to a slab technical field, specific elevating gear to supplementary double slab blank centering that says so.

Background

At present, domestic plate blanks are fed into a heating furnace usually by adopting single-row plate blanks, in order to improve the efficiency of the heating furnace, a double-row feeding mode is adopted, the feeding mode brings some problems, and the deviation phenomenon appears in the transportation process before the two rows of plate blanks are fed into the heating furnace. Therefore, two rows of slabs need to be centered, and the slabs are generally lifted to be separated from a roller way for centering, so that research and development of a lifting device for assisting the centering of the double-row slabs and blanks is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides an adopt the mode of hydraulic pressure lift to promote, this mode is simple, easy maintenance overhauls.

In order to achieve the purpose, the utility model relates to a lifting device for assisting the centering of double-row slab blanks, which comprises a lifting beam assembly, a swing arm system and a driving system which are arranged from top to bottom in sequence; the driving system is used for driving the lifting beam assembly to do lifting motion by driving the swing arm system;

wherein, the lifting beam assembly includes: a plurality of supports fixed on a side frame of the conveying roller way; the plurality of supports are arranged at intervals along the central line of the conveying roller way;

a group of cross beams are hinged to each support; the upper part of each group of cross beams is sequentially hinged with a plurality of rollers;

and the lower parts of the multiple groups of cross beams are fixed with connecting beams.

Further, the swing arm system sets up in the tie-beam below, includes: the base is hinged with a swing arm through a bearing seat; the free end of the swing arm is hinged with a guide wheel through an ear hole; the outer contour of the guide wheel is contacted with the lower surface of the connecting beam.

Furthermore, the driving system comprises a tail swing shaft hydraulic cylinder and a hydraulic cylinder seat, wherein the flat head of the tail swing shaft hydraulic cylinder positioned on the left side of the central line of the lifting device is hinged to the other ear hole of the side swing arm, the tail of the side tail swing shaft hydraulic cylinder is hinged to the side hydraulic cylinder seat, the flat head of the tail swing shaft hydraulic cylinder positioned on the right side of the central line of the lifting device is hinged to the other ear hole of the side swing arm, and the tail of the side tail swing shaft hydraulic cylinder is hinged to the side hydraulic cylinder seat.

The device further comprises a centering device, wherein the centering device comprises a plurality of bases fixed on the roller bed frame, and the bases are correspondingly arranged on two sides of the central line of the conveying roller bed; a group of rails is erected on the two opposite bases; each group of tracks is fixed in the corresponding transport roller way of the group of tracks, and each group of tracks is provided with two trolleys; the two trolleys are respectively positioned at two sides of the central line of the conveying roller way and freely move in the track, and the trolleys at the same side are connected into a whole through a push plate;

and the middle swing shaft hydraulic cylinder is arranged on the track and is used for driving the small sides at the two sides to move oppositely along the track.

The utility model relates to a supplementary elevating gear of double slab blank centering's whole lift process as follows: firstly, two rows of slabs are stopped on a transport roller way, piston rods of two groups of tail swing shaft hydraulic cylinders are completely retracted, a cross beam is stopped at a position A and is arranged below the roller surface of the transport roller way, then a lifting stop head fixed on a centering device is lifted, the piston rods of two groups of tail swing shaft hydraulic cylinders are driven to extend out, the piston rods drive two groups of swing arms to simultaneously rotate anticlockwise around respective connecting centers, guide wheels hinged on the two groups of swing arms simultaneously drive a connecting beam and three groups of cross beams to rotate clockwise around respective hinge centers of the three groups of cross beams, during the lifting process of the three groups of cross beams, idler wheels fixed on the three groups of cross beams gradually contact the slabs, due to the fact that the idler wheels rotate around the respective rotation centers, the two rows of slabs can move to one side in the process, and under the effects of a push plate and the lifting stop head positioned at, when the piston rods of the two groups of tail swing shaft hydraulic cylinders are all extended out, the three groups of cross beams reach a position B, and the two rows of slabs are lifted to be separated from the roller surface. Then the push pedal that the drive centering device is located transportation roll table both sides uses the lift dog to carry out the centering as shown in figure 4 with two rows of slabs as the benchmark, then the piston rod of two sets of afterbody pendulum shaft pneumatic cylinders of drive withdrawal, and three group's crossbeams and tie-beam are round respective articulated center anticlockwise rotation under the effect of dead weight and two rows of slabs dead weights, and two sets of swing arms are round respective articulated center clockwise rotation, and two sets of leading wheels roll along the lower part with the tie-beam contact. Under the backstop effect of the push plates and the lifting stop heads positioned on two sides of the conveying roller way, the two rows of plate blanks cannot move along the rollers, so that the plate blank centering effect is ensured. When piston rods of the two groups of tail swing shaft hydraulic cylinders are completely retracted, the three groups of cross beams return to the position A from the position B, and the lifting-descending process is completely finished. The device is simple to maintain and convenient to overhaul.

Drawings

Fig. 1 is a front view of an embodiment of a lifting device for assisting in centering of double-row slab blanks according to the present invention;

fig. 2 is a top view of an embodiment of the lifting device for assisting in centering of double-row slab blanks according to the present invention;

fig. 3 is a left side view of an embodiment of the lifting device for assisting in centering of double-row slab blanks according to the present invention;

fig. 4 is a centering left view of an embodiment of the lifting device for assisting in centering of double-row slab blanks according to the present invention;

fig. 5 is a front view of a lifting device in an embodiment of the auxiliary double-row slab blank centering device of the present invention;

fig. 6 is a top view of a lifting device in an embodiment of the apparatus for centering a double-row slab blank according to the present invention;

fig. 7 is a cross-sectional view a-a of a lifting device in an embodiment of an auxiliary double-row slab blank centering device of the present invention;

fig. 8 is a B-B cross-sectional view of a lifting device in an embodiment of an auxiliary double-row slab blank centering device of the present invention;

fig. 9 is a left centering view of a lifting device in an embodiment of the apparatus for centering a double-row slab blank according to the present invention;

Detailed Description

The invention is further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, the utility model relates to a lifting device for assisting double slab blank centering, which comprises a lifting beam assembly, a swing arm system and a driving system.

The lifting beam assembly comprises supports 4, cross beams 1, rollers 2 and connecting beams 3, wherein the cross beams 1 are arranged in three groups along the central line of a conveying roller way, the supports 4 are arranged in three groups along the central line of the conveying roller way, the three groups of supports 4 are fixed on one side frame of the conveying roller way, one end of each group of cross beams 1 is hinged on the corresponding support 4 of the group of cross beams 1, the upper part of each group of cross beams 1 is sequentially hinged with 8 rollers 2, and the connecting beams 3 are fixed on the lower parts of the three groups of cross beams 1 to form a frame structure as shown in figures 2 and 3.

The swing arm 7 system comprises a bearing seat 6, a base 5, a swing arm 7 and a guide wheel 8, wherein the swing arm 7 positioned on the left side of the central line of the lifting device is hinged on the side bearing seat 6, the side bearing seat 6 is fixed on the side base 5, the side guide wheel 8 is hinged on an ear hole of the side swing arm 7, the outline of the side guide wheel 8 is contacted with the lower surface of the connecting beam 3, the swing arm 7 positioned on the right side of the central line of the lifting device is hinged on the side bearing seat 6, the side bearing seat 6 is fixed on the side base 5, the side guide wheel 8 is hinged on an ear hole of the side swing arm 7, and the outline of the side guide wheel 8 is contacted with the lower surface of the connecting beam 3 as shown in figures 1 and 2.

Example 2

On the basis of the above embodiment, the driving system includes a tail swing shaft hydraulic cylinder 10 and a hydraulic cylinder seat 9, the flat head of the tail swing shaft hydraulic cylinder 10 located on the left side of the central line of the lifting device is hinged to the other ear hole of the side swing arm 7, the tail of the side tail swing shaft hydraulic cylinder 10 is hinged to the side hydraulic cylinder seat 9, the flat head of the tail swing shaft hydraulic cylinder 10 located on the right side of the central line of the lifting device is hinged to the other ear hole of the side swing arm 7, and the tail of the side tail swing shaft hydraulic cylinder 10 is hinged to the side hydraulic cylinder seat 9 as shown in fig. 1 and 2.

Example 3

On the basis of the embodiment, the whole lifting process of the lifting device for assisting the centering of the double-row slab blanks is as follows: firstly, two rows of slabs are stopped on a conveying roller way, piston rods of two groups of tail swing shaft hydraulic cylinders 10 are completely retracted, a cross beam 1 is stopped at a position A and is arranged below the roller surface of the conveying roller way, then a lifting stop head fixed on a centering device is lifted, the piston rods of two groups of tail swing shaft hydraulic cylinders 10 are driven to extend, the piston rods drive two groups of swing arms 7 to simultaneously rotate anticlockwise around respective connecting centers, guide wheels 8 hinged on the two groups of swing arms 7 simultaneously drive a connecting beam 3 and three groups of cross beams 1 to clockwise rotate around respective hinge centers of the three groups of cross beams 1, in the lifting process of the three groups of cross beams 1, rollers 2 fixed on the three groups of cross beams 1 gradually contact the slabs, due to the fact that the rollers 2 rotate around the respective rotating centers, the two rows of slabs can move to one side in the process, and under the action of push plates and the lifting stop heads positioned, and (3) blocking the two rows of slabs, and when piston rods of the two groups of tail swing shaft hydraulic cylinders 10 are all extended out, the three groups of cross beams 1 reach a position B, and the two rows of slabs are lifted to be separated from the roller surface. Then the push plates on two sides of the conveying roller way are driven to center two rows of plate blanks by taking the lifting stop heads as the reference, as shown in figure 4, piston rods of two groups of tail swing shaft hydraulic cylinders 10 are driven to retract, three groups of cross beams 1 and connecting beams 3 rotate anticlockwise around respective hinge centers under the action of self weight and the self weight of the two rows of plate blanks, two groups of swing arms 7 rotate clockwise around respective hinge centers, and two groups of guide wheels 8 roll along the lower parts in contact with the connecting beams 3. Under the backstop effect of the push plates and the lifting stop heads positioned on two sides of the conveying roller way, the two rows of plate blanks cannot move along the rollers 2, so that the plate blank centering effect is ensured. When the piston rods of the two groups of tail swing shaft hydraulic cylinders 10 are all retracted, the three groups of cross beams 1 return to the position A from the position B, and the lifting-descending process is completed.

Example 4

As shown in fig. 5-9, the centering device of the present invention comprises a trolley a1, a push plate a2, a rail A3, a middle swing shaft hydraulic cylinder a4, a support a5, and a base a 6.

Eight groups of bases A6 are arranged on the base A6 along the central line direction of the conveying roller way, four groups are respectively arranged on two sides of the central line of the conveying roller way, the base A6 is fixed on the roller way frame, four groups of tracks A3 are arranged on the track A3 along the central line direction of the conveying roller way, each group of tracks A3 is fixed on the base A6 which corresponds to the group of tracks A3 and is positioned on two sides of the central line of the conveying roller way, two trolleys A1 are arranged on each group of tracks A3, and for each group of tracks A3, the trolleys A1 are respectively positioned on two sides of the central line of the conveying roller way and can freely move in the tracks A3.

The two groups of push plates A2 are respectively arranged at two sides of the central line of the rollgang, one side push plate A2 positioned at the central line of the rollgang is fixed on the four groups of trolleys A1 at the side, and the other side push plate A2 positioned at the central line of the rollgang is fixed on the four groups of trolleys A1 at the side as shown in figures 6, 7 and 8.

Four groups are arranged along the central line direction of the conveying roller way by the middle swing shaft hydraulic cylinder A4, the flat heads of the first and third groups of middle swing shaft hydraulic cylinders A4 are positioned at one side of the central line of the conveying roller way, namely the side B, the flat heads of the second and fourth groups of middle swing shaft hydraulic cylinders A4 are positioned at the other side of the central line of the conveying roller way, namely the side A, four groups of supports A5 are arranged along the central line direction of the conveying roller way and are respectively fixed below four groups of tracks A3, the flat head of the first group of middle swing shaft hydraulic cylinder A4 is hinged on an ear hole at the lower part of a trolley A1 clamped at the side B in the first group of track A3, the flat head of the first group of middle swing shaft hydraulic cylinder A4 is hinged on a support A5 fixed below the first group of track A3, the flat head of the third group of middle swing shaft hydraulic cylinder A4 is hinged on an ear hole at the lower part of a trolley A1 at the side B in the third group of track A89, flat heads of a second group of middle swing shaft hydraulic cylinders A4 are hinged to ear holes at the lower part of a trolley A1 clamped on the side A in a second group of tracks A3, flat heads of a fourth group of middle swing shaft hydraulic cylinders A4 are hinged to a support A5 fixed below a fourth group of tracks A3, flat heads of a fourth group of middle swing shaft hydraulic cylinders A4 are hinged to ear holes at the lower part of a trolley A1 clamped on the side A in a fourth group of tracks A3, flat heads of a fourth group of middle swing shaft hydraulic cylinders 4 are hinged to a support A5 fixed below the fourth group of tracks A3, trolleys A1 clamped on the side A in the first, second, third and fourth groups of tracks A3 are connected into a whole through a push plate A2 (for short push head E), and trolleys A1 clamped on the side B in the first, second, third and fourth groups of tracks A3 are connected into a whole through a push plate A2 (for short push head F) as shown in figures.

The whole centering process of the centering device is as follows: firstly, two rows of slabs are stopped on a transport roller way, a cross beam in a lifting device is stopped at a position D and below the roller surface of the transport roller way, a push head E is stopped at a position 1, a push head F is stopped at a position 3, lifting stop heads fixed on four groups of rails A3 are lifted, then the cross beam in the lifting device is driven to be lifted, the two rows of slabs can move to one side along cross beam rollers hinged on the cross beam in the lifting process, one slab can only move between the push head E and the lifting stop heads and the other slab moves between the push head F and the lifting stop heads under the stopping action of the push head E, the push head F and the lifting stop heads, when the cross beam in the lifting device is lifted from the position D to the position C, piston rods of a first group of middle swing shaft hydraulic cylinders 4 and a third group of hydraulic cylinders are driven to retract, the piston rods drive the first group of trolleys A1 to move towards the lifting stop heads, the piston rods of the first and third groups of middle swing shaft hydraulic cylinders A4 are continuously driven to retract until the push head E contacts one side surface of the plate blank, the piston rods continuously drive the push head E to push the plate blank to move towards the direction of the lifting stop head, when the other side surface of the plate blank contacts the lifting stop head, the push head E moves from the position 1 to the position 2, at the moment, the piston rods of the first and third groups of middle swing shaft hydraulic cylinders A4 stop moving, the process can control the movement of the middle swing shaft hydraulic cylinders A4 and maintain pressure by detecting a pressure sensor signal on a hydraulic pipeline through a control system, the synchronization of the first and third groups of middle swing shaft hydraulic cylinders A4 is realized by a synchronous motor on the hydraulic pipeline, the action process of the second and fourth groups of middle swing shaft hydraulic cylinders A4 which is performed synchronously with the process is as follows, the piston rods of the second and fourth groups of middle swing shaft hydraulic cylinders A4, The four groups of trolleys A1 move towards the direction of the lifting stop heads until the push heads F contact one side surface of the plate blank, piston rods of the second and the four groups of middle swing shaft hydraulic cylinders A4 are continuously driven to retract, the piston rods continuously drive the push heads F to push the plate blank to move towards the direction of the lifting stop heads until the other side surface of the plate blank contacts the lifting stop heads, the push heads F move from the position 3 to the position 4, at the moment, the piston rods of the second and the four groups of middle swing shaft hydraulic cylinders A4 stop acting, in the process, the control system detects signals of pressure sensors on a hydraulic pipeline to control the action of the middle swing shaft hydraulic cylinders A4 and maintain pressure, then a cross beam in the lifting device is driven to descend, under the stopping action of the push heads E, the push heads F and the lifting stop heads, the two rows of plate blanks fall on a conveying roller bed under the self-weight effect, and then the piston rods of the, the push head E moves towards the direction departing from the lifting stop, when the piston rods of the first and third groups of middle swing shaft hydraulic cylinders A4 are all extended, the push head E returns to the position 1 from the position 2 again, meanwhile, the piston rods of the second and fourth groups of middle swing shaft hydraulic cylinders A4 are driven to be extended, the push head F moves towards the direction departing from the lifting stop, when the piston rods of the second and fourth groups of middle swing shaft hydraulic cylinders A4 are all extended, the push head E returns to the position 3 from the position 4 again as shown in figure 9, and the whole centering process is completed. And then driving the conveying roller way to convey the two rows of slabs to the front of the furnace door of the heating furnace.

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (4)

1. The utility model provides a lifting device of supplementary double slab blank centering which characterized in that: comprises a lifting beam assembly, a swing arm system and a driving system which are arranged from top to bottom in sequence; the driving system is used for driving the lifting beam assembly to do lifting motion by driving the swing arm system;

wherein, the lifting beam assembly includes: a plurality of supports fixed on a side frame of the conveying roller way; the plurality of supports are arranged at intervals along the central line of the conveying roller way;

a group of cross beams are hinged to each support; the upper part of each group of cross beams is sequentially hinged with a plurality of rollers;

and the lower parts of the multiple groups of cross beams are fixed with connecting beams.

2. The lifting device for assisting in centering of double-row slab blanks as claimed in claim 1, wherein: swing arm system sets up in the tie-beam below, includes: the base is hinged with a swing arm through a bearing seat; the free end of the swing arm is hinged with a guide wheel through an ear hole; the outer contour of the guide wheel is contacted with the lower surface of the connecting beam.

3. The lifting device for assisting in centering of double-row slab blanks as claimed in claim 1, wherein: the driving system comprises a tail swing shaft hydraulic cylinder and a hydraulic cylinder seat, wherein the flat head of the tail swing shaft hydraulic cylinder positioned on the left side of the central line of the lifting device is hinged to the other ear hole of the side swing arm, the tail of the side tail swing shaft hydraulic cylinder is hinged to the side hydraulic cylinder seat, the flat head of the tail swing shaft hydraulic cylinder positioned on the right side of the central line of the lifting device is hinged to the other ear hole of the side swing arm, and the tail of the side tail swing shaft hydraulic cylinder is hinged to the side hydraulic cylinder seat.

4. The lifting device for assisting in centering of double-row slab blanks as claimed in claim 1, wherein: the centering device comprises a plurality of bases fixed on the roller way frame, and the bases are correspondingly arranged on two sides of the central line of the conveying roller way; a group of rails is erected on the two opposite bases; each group of tracks is fixed in the corresponding transport roller way of the group of tracks, and each group of tracks is provided with two trolleys; the two trolleys are respectively positioned at two sides of the central line of the conveying roller way and freely move in the track, and the trolleys at the same side are connected into a whole through a push plate;

and the middle swing shaft hydraulic cylinder is arranged on the track and is used for driving the small sides at the two sides to move oppositely along the track.

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