CN115340003B - Steel bar coil hoisting and transporting device for spherical annealing furnace - Google Patents
Steel bar coil hoisting and transporting device for spherical annealing furnace Download PDFInfo
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- CN115340003B CN115340003B CN202211276216.1A CN202211276216A CN115340003B CN 115340003 B CN115340003 B CN 115340003B CN 202211276216 A CN202211276216 A CN 202211276216A CN 115340003 B CN115340003 B CN 115340003B
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- pull rod
- steel bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/422—Gripping members engaging only the external or internal surfaces of the articles actuated by lifting force
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Abstract
The invention relates to the technical field of steel bar coil hoisting and transporting devices, and provides a steel bar coil hoisting and transporting device for a spherical annealing furnace, which comprises an upper base body, a first hoisting part, a pull rod, a plurality of internal supporting members and a plurality of internal supporting members, wherein the first hoisting part is arranged on the upper base body, the pull rod is slidably arranged on the upper base body, the lower base body is arranged at the lower part of the pull rod, the second hoisting part is arranged at the upper part of the pull rod, the internal supporting members are hinged on the lower base body and are circumferentially arranged on the lower base body, the upper ends of the internal supporting members are hinged on the upper base body and are equal to the number of the internal supporting members, each internal supporting member is hinged with one of the internal supporting members, and the lower ends of the internal supporting members are lower than the lower ends of the internal supporting members. Through the technical scheme, the technical problem that the steel bar coil is difficult to support by the lifting appliance when the steel bar coil is placed on the ground in the related art and the steel bar coil is scattered by the lifting appliance is solved.
Description
Technical Field
The invention relates to the technical field of steel bar coil hoisting and transporting devices, in particular to a steel bar coil hoisting and transporting device for a spherical annealing furnace.
Background
The spiral steel bars are also called wire rod steel bars, wire rod steel bars and steel bar coils, and the wire rod steel bars refer to steel bars with the diameter of less than 10 mm, because the steel bars with the diameter of less than 10 mm are easy to bend, long steel bars are coiled into a circle of a circular ring shape by manufacturers before transportation, and the steel bars are called wire rods for short on the building site. The wire rod reinforcing bar needs to be through smelting, the continuous casting, rolling process, can coil the book after rolling is accomplished, later still need send to spherical annealing stove, when annealing, generally need operation fork truck or hoist to transport, though there are some hoists among the prior art, can implement the hoist, such as C type hoist, electronic coil of strip clamp, seven style of calligraphy hoists, two-sided clamp, but these hoists are not very suitable to hoisting reinforcing bar book, because these hoists all press from both sides the dress from the both sides that the reinforcing bar was rolled up, place the sight on ground to the reinforcing bar, just hardly upwards hold up from the bottom that the reinforcing bar was rolled up, the bottom of reinforcing bar just appears scattering easily when leading to hoisting, make hoist and mount efficiency receive the influence, though whole reinforcing bar book can be twined by the iron wire, the effect of iron wire also only prevents naturally to scatter under the reinforcing bar book quiescent condition.
Disclosure of Invention
The invention provides a reinforcing steel bar coil hoisting and transporting device for a spherical annealing furnace, which solves the technical problem that a lifting appliance is difficult to lift a reinforcing steel bar coil when the reinforcing steel bar coil is placed on the ground in the related technology, so that the reinforcing steel bar coil is scattered.
The technical scheme of the invention is as follows:
a steel bar coil hoisting and transporting device for a spherical annealing furnace comprises
The upper seat body is provided with a plurality of upper seat bodies,
a first hoisting part arranged on the upper base body,
a pull rod which is arranged on the upper seat body in a sliding way,
a lower seat body arranged at the lower part of the pull rod,
a second lifting part provided at an upper portion of the draw bar,
a plurality of bottom supporting pieces which are hinged on the lower seat body and are circumferentially arranged on the lower seat body,
the upper ends of the inner supporting pieces are hinged to the upper base body and equal to the number of the bottom supporting pieces, each inner supporting piece is hinged to one bottom supporting piece, and the lower end of each bottom supporting piece is lower than the lower end of the inner supporting piece.
As a further technical scheme, the upper seat body is provided with an upper circular through hole, the diameter of the pull rod is equal to that of the upper circular through hole, and the pull rod penetrates through the upper circular through hole in a sliding manner; the upper seat body and the lower seat body are both disc-shaped, and the diameter of the upper seat body is larger than that of the lower seat body.
As a further technical scheme, the pull rod further comprises a limiting piece, wherein the limiting piece is arranged on the pull rod and is positioned below the upper round through hole; the first hoisting part and the second hoisting part are both positioned above the upper round through hole, and the second hoisting part is positioned below the first hoisting part.
As a further technical scheme, the bottom support piece is hinged on the lower seat body through a pin shaft, the lower seat body is provided with a plurality of lifting lugs, the lifting lugs are provided with transverse oblong holes, and the pin shaft is arranged in the oblong holes in a sliding manner;
also comprises
The sliding top piece is vertically and slidably arranged on the lifting lug, the lower end of the sliding top piece is provided with an inclined top surface, the inclined top surface extends into the long round hole, and the inclined top surface faces the pin shaft,
and one end of the elastic piece acts on the sliding top piece, and the other end of the elastic piece acts on the lifting lug to provide a force for the sliding top piece to move downwards to push the pin shaft to be far away from the pull rod.
As a further technical scheme, the lifting lug is further provided with a vertical sliding groove, the sliding top piece is arranged in the vertical sliding groove in a sliding mode, and the elastic piece is also arranged in the vertical sliding groove.
As a further technical scheme, the inner supporting piece and the bottom supporting piece are both plate-shaped, the lower end of each inner supporting piece is provided with a first angular protrusion, the lower end of each bottom supporting piece is provided with a second angular protrusion, the second angular protrusion is lower than the first angular protrusion, and the first angular protrusion and the second angular protrusion are back to the pull rod.
As a further technical scheme, the upper seat body is provided with a plurality of gap grooves, and the upper ends of the inner strutting pieces are accommodated in the gap grooves.
As a further technical scheme, the depth of the notch groove is equal to the radius difference between the upper seat body and the lower seat body.
As a further technical scheme, the lower seat body is arranged at the lower part of the pull rod in an adjustable position, the lower part of the pull rod is provided with a threaded section, the lower seat body is provided with a lower round through hole, and the threaded section penetrates through the lower round through hole;
the upper nut and the lower nut are arranged on the thread section in a threaded manner and are respectively positioned on the upper side and the lower side of the lower seat body.
As a further technical scheme, the novel seat is characterized by further comprising a plurality of lap joint rods, wherein the lap joint rods are circumferentially arranged on the upper seat body.
The working principle and the beneficial effects of the invention are as follows:
in the invention, in order to realize stable hoisting and transportation of the whole reinforcing steel bar roll, a structure that the pull rod is pulled to drive the bottom supporting piece and the inner supporting piece to support the reinforcing steel bar roll is designed, so that the reinforcing steel bar roll is conveniently hoisted and transported, wherein the inner supporting piece can hook and support the reinforcing steel bar roll from the lower part of the inner side of the reinforcing steel bar roll, and the bottom supporting piece can hook and support the reinforcing steel bar roll from the bottom of the reinforcing steel bar roll. Meanwhile, the bottom supporting piece and the inner supporting piece can be kept retracted when a steel bar roll is placed in, and are kept supported when the steel bar roll is lifted by upward pulling, and the retracting and the supporting are very easy to realize, and the operation is very convenient. And the bottom support piece and the inner support piece are consistent in force for supporting and retracting, namely, the pulling force of the sling is utilized, the lifting is very simple and convenient, the bottom support piece and the inner support piece also have the effect of being tighter and tighter, and the lifting stability is well ensured.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a perspective structure according to the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 isbase:Sub>A schematic sectional view of the structure A-A in FIG. 3;
FIG. 5 is an enlarged view of a portion C of FIG. 4;
FIG. 6 is a schematic view of the structure of the pull rod and the lower base of the present invention;
FIG. 7 is a schematic cross-sectional view of B-B in FIG. 6;
in the figure: the device comprises an upper seat body-1, an upper circular through hole-1-1, a notch groove-1-2, a first hoisting part-2, a pull rod-3, a thread section-3-1, a lower seat body-4, a lower circular through hole-4-1, a second hoisting part-5, a bottom support piece-6, a second angular protrusion-6-1, an inner support piece-7, a first angular protrusion-7-1, a limiting piece-8, a pin shaft-9, a lifting lug-10, a long circular hole-10-1, a vertical sliding groove-10-2, a sliding top piece-11, an inclined top surface-11-1, an elastic piece-12, an upper nut-13, a lower nut-14 and a connecting rod-15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall relate to the scope of protection of the present invention.
As shown in FIGS. 1 to 7, the embodiment provides a device for hoisting and transporting a steel bar coil for a spherical annealing furnace, which comprises
The upper seat body 1 is provided with a plurality of upper seat bodies,
a first hoisting part 2, the first hoisting part 2 is arranged on the upper base body 1,
a pull rod 3, the pull rod 3 is arranged on the upper seat body 1 in a sliding way,
a lower seat body 4, the lower seat body 4 is arranged at the lower part of the pull rod 3,
a second hoisting part 5, the second hoisting part 5 is arranged at the upper part of the pull rod 3,
a plurality of bottom supporting pieces 6, the bottom supporting pieces 6 are hinged on the lower seat body 4 and are circumferentially arranged on the lower seat body 4,
the upper ends of the inner supporting pieces 7 are hinged to the upper base body 1 and are equal to the number of the bottom supporting pieces 6, each inner supporting piece 7 is hinged to one bottom supporting piece 6, and the lower end of each bottom supporting piece 6 is lower than the lower end of each inner supporting piece 7.
The reinforcing bar is rolled up to the roll type, in this embodiment, in order to realize rolling up stable hoist and mount transportation to whole reinforcing bar, the structure that 6 and interior support piece 7 propped up the reinforcing bar book is rolled up in the pulling pull rod 3 drive end to the design, thereby convenient roll up the reinforcing bar hoist and mount transportation, wherein, interior support piece 7 can be followed the reinforcing bar and rolled up inboard lower part with the reinforcing bar book hook and prop up, end support piece 6 can be followed the reinforcing bar and rolled up the end bottom with the reinforcing bar book hook and prop up, compare in the hoist and mount mode of pressing from both sides the dress from the reinforcing bar book outside, and is more stable, compare in the form of rolling up the inboard from the reinforcing bar alone, increased and rolled up the reinforcing bar from the reinforcing bar book end, the problem of avoiding the reinforcing bar to roll up scattered that can be fine. Meanwhile, the bottom bracing piece 6 and the inner bracing piece 7 can be kept retracted when a steel bar roll is placed in, and can be kept propped when the steel bar roll is lifted by upward pulling, and the retraction and the maintenance of the propping are easy to realize, so that the operation is very convenient. Piece 6 is propped with interior piece 7 at the bottom and props up and the power of packing up unanimously, the pulling force of hoist and mount time hoist cable all utilizes promptly, and unusual simple convenient, piece 6 is propped with interior piece 7 at the bottom also has and hangs tight effect more, fine assurance the stability of hoist and mount.
Specifically, a pull rod 3 is slidably arranged on the upper seat body 1, the upper seat body 1 is further provided with a first hoisting part 2, the first hoisting part 2 can be hoisted by a sling, a second hoisting part 5 is arranged on the pull rod 3, and the second hoisting part 5 can also be hoisted by the sling. When the second hoisting part 5 is hoisted by the sling, the pull rod 3 can drive the lower seat body 4 to move upwards relative to the upper seat body 1; lower pedestal 4 moves up when, can take bottom support piece 6 swing, can reach the purpose that props up and hook up from the inboard bottom of reinforcing bar book, meanwhile, because interior support piece 7 is articulated with bottom support piece 6, interior support piece 7 can be driven by bottom support piece 6 and realize the swing, interior support piece 7 can act on the lower part position that the reinforcing bar rolled up the inboard and prop up and hook up the reinforcing bar book, and this prop up the effect can be along with the hoist cable hang pull more tight, ingenious integrated configuration reaches the stable purpose that props up the hook up with the reinforcing bar book, and when propping up, only need the effect of a pulling force can guarantee.
When a steel bar roll needs to be hoisted, an operator firstly hooks a lifting hook of a sling with the first hoisting part 2, at the moment, the bottom support part 6 and the inner support part 7 are kept in a folded state under the self-weight state, then moves the whole hoisting and transporting device to the position above the steel bar roll to be hoisted, controls the sling to move downwards to bring the bottom support part 6, the inner support part 7 and the lower seat body 4 into a ring of the steel bar roll, then operates the lifting hook of the sling to be detached from the first hoisting part 2 to hook the sling into the second hoisting part 5, adjusts the whole position and then pulls the sling upwards, the pull rod 3 moves upwards relative to the upper seat body 1, at the moment, the upper seat body 1 keeps still, the inner support part 7 and the bottom support part 6 are pulled by the pull rod 3 to rotate, the inner support part 7 is inclined from the vertical direction, supports the inner wall of the steel bar roll, because the inner support part 7 is multiple, the circumferential diameter of the lower end circumference of the inner support part is larger, the whole steel bar roll is rolled up, and the bottom support part and the inner support part can be hinged together, and the bottom support part can be gradually increased if the inner support part and the bottom support part is hinged together. Continue to pull up pull rod 3 and tightly prop up the reinforcing bar book with interior support piece 7 and end support piece 6, pull rod 3 will not move up relatively upper base body 1, and pull rod 3 can make the reinforcing bar book follow hoist and mount conveyer and together move up this moment on the lifting hook of hoist cable to carry and handle in the spherical annealing furnace that needs transported. After the steel bar roll is transferred to a target position, the lifting hook of the sling is required to be detached from the second lifting part 5, then the first lifting part 2 is hooked, the sling is pulled upwards, and the pull rod 3, the lower seat body 4 connected with the pull rod, the bottom support piece 6 and the inner support piece 7 are not subjected to upward force, so that the pull rod can move downwards under the action of gravity to keep a retracted state, the sling is continuously pulled to drive the hoisting and transporting device to be pulled out from the inner ring of the steel bar roll, and then hoisting and transferring of a new steel bar roll can be carried out.
When needing to be explained, the inner supporting piece 7 can provide outward expansion and upward inclined force for the steel bar coil, and can provide enough pulling force for the steel bar coil, so that the requirement of the inner supporting piece 7 on the structural strength is high, and the bottom supporting piece 6 mainly prevents the steel bar coil from being scattered and supported from the bottom to play an auxiliary role, and does not need to have the same strength with the inner supporting piece 7. On the other hand, when considering that the inner supporting piece 7 and the bottom supporting piece 6 of each hoisting and transporting device are three, the three bottom supporting pieces 6 are driven to rotate, and cross exists between the three bottom supporting pieces, so that the interference caused by collision can be avoided through dislocation and width reduction.
Further, the upper seat body 1 is provided with an upper circular through hole 1-1, the pull rod 3 has the same diameter as the upper circular through hole 1-1 and slides through the upper circular through hole 1-1; the upper seat body 1 and the lower seat body 4 are both disc-shaped, and the diameter of the upper seat body 1 is larger than that of the lower seat body 4.
In this embodiment, in order to realize the stability of the pull rod 3 sliding relative to the upper seat body 1, the pull rod 3 is designed to slide in the upper circular through hole 1-1 of the upper seat body 1, and the upper circular through hole 1-1 has a certain height, so as to ensure that the pull rod 3 does not incline, the upper seat body 1 and the lower seat body 4 are designed to be disc-shaped, the upper seat body 1 positioned above is larger, the lower seat body 4 below is smaller, on one hand, the stability can be ensured, and on the other hand, the lower seat body 4 can be more conveniently sent into the reinforcing steel bar coil.
Further, the device also comprises a limiting piece 8, wherein the limiting piece 8 is arranged on the pull rod 3 and is positioned below the upper round through hole 1-1; the first hoisting part 2 and the second hoisting part 5 are both positioned above the upper round through hole 1-1, and the second hoisting part 5 is positioned below the first hoisting part 2.
In this embodiment, the limiting member 8 on the pull rod 3 can limit the highest position of the pull rod 3 moving upward relative to the upper base 1, so as to prevent the pull rod 3 from moving upward too much, thereby causing the bottom support member 6 and the inner support member 7 to support the reinforcing steel bar to be deformed; the second hoisting part 5 is designed to be positioned below the first hoisting part 2, so that the connection of a lifting hook of a sling with the first hoisting part 2 and the second hoisting part 5 is more convenient to convert while the sling hoisting point is ensured to be positioned at the central position.
Further, the bottom bracing piece 6 is hinged on the lower seat body 4 through a pin shaft 9, the lower seat body 4 is provided with a plurality of lifting lugs 10, each lifting lug 10 is provided with a transverse long circular hole 10-1, and the pin shaft 9 is arranged in the long circular hole 10-1 in a sliding manner;
the lifting lug is characterized by further comprising a sliding top piece 11, the sliding top piece 11 is vertically and slidably arranged on the lifting lug 10, the lower end of the sliding top piece is provided with an inclined top surface 11-1, the inclined top surface 11-1 extends into the long round hole 10-1, the inclined top surface 11-1 faces the pin shaft 9,
and one end of the elastic part 12 acts on the sliding top part 11, and the other end of the elastic part 12 acts on the lifting lug 10 to provide a force for the sliding top part 11 to move downwards to push the pin shaft 9 to be far away from the pull rod 3.
In the embodiment, considering that the reinforcing steel bar coil is placed on the ground, the bottom support piece 6 cannot be smoothly supported when the reinforcing steel bar coil is required to be supported from the bottom, and the reinforcing steel bar coil is usually more than one ton, therefore, a structure that the pin shaft 9 hinged between the bottom support piece 6 and the lower seat body 4 can move in the long round hole 10-1 is specially designed, so that after the pull rod 3 is pulled, the inner support piece 7 firstly supports the height for hooking up the reinforcing steel bar coil a little bit, and then the bottom support piece 6 extends into the bottom of the reinforcing steel bar coil to support the reinforcing steel bar coil, thereby well avoiding the problem that the bottom support piece 6 cannot be inserted into the bottom of the reinforcing steel bar coil to support the reinforcing steel bar coil.
Specifically, the pin shaft 9 moves in the oblong hole 10-1 and is supported by the inclined surface 11-1 of the sliding top part 11, and only if the force of the pin shaft 9 acting on the inclined surface 11-1 is large enough, the sliding top part 11 can be pushed to move, and as long as the angle design of the inclined surface is reasonable, the pull rod 3 can pull the inner supporting part 7 to firstly support and hook up the steel bar roll at a little height, then the pin shaft 9 pushes the sliding top part 11 to move upwards, the position of the pin shaft 9 is changed, and the purpose that the steel bar roll extends to the lower part of the bottom supporting part 6 to support and support the steel bar roll after rising at a little height is achieved. The sliding top piece 11 is pushed to move upwards by the pin shaft 9, pushing can be achieved only by enough pushing force, the sliding top piece 11 is pressed downwards under the action of the elastic piece 12, the elastic piece 12 can be a pressure spring, and the elastic coefficient is large enough. The inclined plane 11-1 of the sliding top part 11 is designed by using the principle that the inclined plane can amplify and reduce force, and the force of the pin shaft 9 acting on the inclined plane 11-1 in the vertical direction can be reduced, namely, the pin shaft 9 can be designed to incline enough with the inclined plane 11-1 to ensure that the sliding top part 11 cannot move upwards easily with the elastic part 12 with larger elasticity, and the pin shaft 9 can push the sliding top part 11 to move upwards only after the reinforcing steel bar roll moves upwards a little.
Further, the lifting lug 10 is also provided with a vertical sliding chute 10-2, the sliding top piece 11 is arranged in the vertical sliding chute 10-2 in a sliding manner, and the elastic piece 12 is also arranged in the vertical sliding chute 10-2.
In the embodiment, in consideration of the stability of the sliding top piece 11, the lifting lug 10 is specially provided with the vertical sliding groove 10-2, so that the sliding of the sliding top piece 11 is ensured not to be blocked, and the elastic piece 12 is also arranged in the vertical sliding groove 10-2, so that the elastic force is provided more stably.
Further, the inner support piece 7 and the bottom support piece 6 are both plate-shaped, the lower end of the inner support piece 7 is provided with a first angular protrusion 7-1, the lower end of the bottom support piece 6 is provided with a second angular protrusion 6-1, the second angular protrusion 6-1 is lower than the first angular protrusion 7-1, and the first angular protrusion 7-1 and the second angular protrusion 6-1 both face away from the pull rod 3.
In this embodiment, the first angular protrusion 7-1 of the inner support member 7 and the second angular protrusion 6-1 of the bottom support member 6 can provide an upward hooking action when acting on the reinforcing steel bar coil, so as to ensure that the reinforcing steel bar coil is subjected to an upward force to further prevent the reinforcing steel bar coil from being unwound.
Further, the upper seat body 1 is provided with a plurality of gap grooves 1-2, and the upper end of the inner support member 7 is accommodated in the gap grooves 1-2.
Further, the depth of the notch groove 1-2 is equal to the radius difference between the upper seat body 1 and the lower seat body 4.
In this embodiment, when the inner supporting member 7 is hinged to the upper base body 1 to rotate, the inner supporting member needs to be able to be vertical, so that the upper base body 1 is provided with the notch groove 1-2 to ensure the range of the rotation angle of the inner supporting member 7, and the depth of the notch groove 1-2 is equal to the radius difference between the upper base body 1 and the lower base body 4, thereby further ensuring that the inner supporting member 7 can conveniently extend into the ring of the steel bar coil when being in a vertical state.
Further, the lower seat body 4 is arranged at the lower part of the pull rod 3 in an adjustable mode, a threaded section 3-1 is arranged at the lower part of the pull rod 3, the lower seat body 4 is provided with a lower circular through hole 4-1, and the threaded section 3-1 penetrates through the lower circular through hole 4-1;
the upper nut 13 and the lower nut 14 are arranged on the threaded section 3-1 in a threaded mode and are respectively located on the upper side and the lower side of the lower seat body 4.
In this embodiment, consider to the reinforcing bar of different thickness, the reinforcing bar book size can slightly be distinguished, for this reason the design is that lower pedestal 4 position adjustable sets up in the lower part of pull rod 3 to realize the change of interior support piece 7 and the swing range of end support piece 6, all can be suitable for with the reinforcing bar book of realization equidimension. Specifically, the lower part of the pull rod 3 is provided with a threaded section 3-1, an upper nut 13 and a lower nut 14 are installed, the lower seat body 4 is fixed between the upper nut 13 and the lower nut 14, and the positions of the upper nut 13 and the lower nut 14 are adjusted, so that the position of the lower seat body 4 is changed.
Furthermore, the folding seat further comprises a plurality of lapping rods 15, and the lapping rods 15 are circumferentially arranged on the upper seat body 1.
In this embodiment, consider that there can be the circumstances that the reinforcing bar is listed up from top to bottom in the reality, in order to avoid hoisting the conveyer and stretching into in the reinforcing bar book, move down too much and lead to hoist and mount the problem, for this reason especially set up overlap rod 15 on upper base body 1, when lower base body 4, bottom suspension piece 6, interior support piece 7 that are connected at pull rod 3 and move down and get into the reinforcing bar book circle, can not move down too much, but when moving to the appropriate position, overlap rod 15 just can be put on the reinforcing bar circle, make pull rod 3, lower base body 4, bottom suspension piece 6, interior support piece 7 can not move down again, can not move down to the second below in rolling up the reinforcing bar circle more, this design can be convenient realization move to the appropriate position and operate, very big has made things convenient for operating personnel.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The device for hoisting and transporting the steel bar coil for the spherical annealing furnace is characterized by comprising
An upper seat body (1),
a first hoisting part (2), wherein the first hoisting part (2) is arranged on the upper base body (1),
a pull rod (3), the pull rod (3) is arranged on the upper base body (1) in a sliding way,
a lower seat body (4), wherein the lower seat body (4) is arranged at the lower part of the pull rod (3),
a second lifting part (5), wherein the second lifting part (5) is arranged at the upper part of the pull rod (3),
a plurality of bottom supporting pieces (6), wherein the bottom supporting pieces (6) are hinged on the lower seat body (4) and are circumferentially arranged on the lower seat body (4),
the upper ends of the inner supporting pieces (7) are hinged to the upper base body (1) and are equal to the number of the bottom supporting pieces (6), each inner supporting piece (7) is hinged to one bottom supporting piece (6), and the lower ends of the bottom supporting pieces (6) are lower than the lower ends of the inner supporting pieces (7).
2. The device for hoisting and transporting the steel bar coil for the spherical annealing furnace according to claim 1, characterized in that the upper base body (1) is provided with an upper circular through hole (1-1), the pull rod (3) has the same diameter as the upper circular through hole (1-1) and slides through the upper circular through hole (1-1); the upper seat body (1) and the lower seat body (4) are both disc-shaped, and the diameter of the upper seat body (1) is larger than that of the lower seat body (4).
3. The device for hoisting and transporting the steel bar coil for the spherical annealing furnace according to claim 2, characterized by further comprising a limiting member (8), wherein the limiting member (8) is arranged on the pull rod (3) and is positioned below the upper circular through hole (1-1); the first hoisting part (2) and the second hoisting part (5) are both located above the upper round through hole (1-1), and the second hoisting part (5) is located below the first hoisting part (2).
4. The reinforced bar roll hoisting and transporting device for the spherical annealing furnace according to claim 1, wherein the bottom support member (6) is hinged on the lower base body (4) through a pin shaft (9), the lower base body (4) is provided with a plurality of lifting lugs (10), the lifting lugs (10) are provided with transverse oblong holes (10-1), and the pin shaft (9) is slidably arranged in the oblong holes (10-1);
and also comprises
The sliding top piece (11) is vertically and slidably arranged on the lifting lug (10), an inclined top surface (11-1) is arranged at the lower end of the sliding top piece (11), the inclined top surface (11-1) extends into the long round hole (10-1), and the inclined top surface (11-1) faces towards the pin shaft (9),
one end of the elastic piece (12) acts on the sliding top piece (11), and the other end of the elastic piece (12) acts on the lifting lug (10) to provide a force for the sliding top piece (11) to move downwards to push the pin shaft (9) to be far away from the pull rod (3).
5. The device for lifting and transporting a coil of steel for a spherical annealing furnace according to claim 4, characterized in that the lifting lug (10) further has a vertical chute (10-2), the sliding top piece (11) is slidingly arranged in the vertical chute (10-2), and the elastic piece (12) is also arranged in the vertical chute (10-2).
6. The device for hoisting and transporting the steel bar coil for the spherical annealing furnace according to the claim 1, characterized in that the inner support (7) and the bottom support (6) are both plate-shaped, the lower end of the inner support (7) is provided with a first angular protrusion (7-1), the lower end of the bottom support (6) is provided with a second angular protrusion (6-1), the second angular protrusion (6-1) is lower than the first angular protrusion (7-1), and the first angular protrusion (7-1) and the second angular protrusion (6-1) are both opposite to the pull rod (3).
7. The device for lifting and transporting a steel bar coil for a spherical annealing furnace according to claim 6, characterized in that the upper base body (1) has a plurality of notched grooves (1-2), and the upper ends of the inner supports (7) are received in the notched grooves (1-2).
8. The device for lifting and transporting a steel bar coil for a spherical annealing furnace according to claim 7, characterized in that the depth of the notch groove (1-2) is equal to the radius difference between the upper base body (1) and the lower base body (4).
9. The device for hoisting and transporting the steel bar coil for the spherical annealing furnace according to claim 7, characterized in that the lower seat body (4) is arranged at the lower part of the pull rod (3) in an adjustable position, the lower part of the pull rod (3) is provided with a threaded section (3-1), the lower seat body (4) is provided with a lower circular through hole (4-1), and the threaded section (3-1) passes through the lower circular through hole (4-1);
the upper nut (13) and the lower nut (14) are arranged on the threaded section (3-1) in a threaded mode and are respectively located on the upper side and the lower side of the lower seat body (4).
10. The device for hoisting and transporting the steel bar coil for the spherical annealing furnace according to any one of claims 1 to 9, further comprising a plurality of lapping rods (15), wherein the plurality of lapping rods (15) are circumferentially arranged on the upper base body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211276216.1A CN115340003B (en) | 2022-10-19 | 2022-10-19 | Steel bar coil hoisting and transporting device for spherical annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211276216.1A CN115340003B (en) | 2022-10-19 | 2022-10-19 | Steel bar coil hoisting and transporting device for spherical annealing furnace |
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| CN117284916B (en) * | 2023-09-22 | 2025-01-10 | 江苏格雷特起重机械有限公司 | Anti-falling safety protection device and protection method for crane |
| CN118597944B (en) * | 2024-08-09 | 2024-11-08 | 徐州金虹钢铁集团有限公司 | Coiled steel bar lifting equipment |
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| WO1998043888A1 (en) * | 1997-04-03 | 1998-10-08 | Lankhorst Recycling B.V. | Pallet and method for handling a coil, and hoisting element for use therein |
| US6186569B1 (en) * | 1999-11-24 | 2001-02-13 | Seh America, Inc. | Heater sling |
| CN201817198U (en) * | 2010-08-25 | 2011-05-04 | 东风汽车有限公司 | Device for simultaneously hoisting multiple annular forgings |
| CN103723622A (en) * | 2014-01-20 | 2014-04-16 | 方大特钢科技股份有限公司 | Three-fork connecting rod self-adjustment type roll lifting appliance |
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| CN216863405U (en) * | 2022-03-04 | 2022-07-01 | 宁波金刚环境科技有限公司 | Copper pipe coiling clamping jaw |
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| CN115340003A (en) | 2022-11-15 |
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Denomination of invention: Steel coil lifting and transportation device for spherical annealing furnace Granted publication date: 20230110 Pledgee: Xingtai Branch of Industrial Bank Co.,Ltd. Pledgor: Handan Zhaoyun power fastener manufacturing Co.,Ltd. Registration number: Y2024980042536 |
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