CN111137718A - Method for replacing winding drum of coiler - Google Patents
Method for replacing winding drum of coiler Download PDFInfo
- Publication number
- CN111137718A CN111137718A CN201911386179.8A CN201911386179A CN111137718A CN 111137718 A CN111137718 A CN 111137718A CN 201911386179 A CN201911386179 A CN 201911386179A CN 111137718 A CN111137718 A CN 111137718A
- Authority
- CN
- China
- Prior art keywords
- winding drum
- reel
- drum
- coil stripping
- trolley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
-
- 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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/18—Band-type slings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention provides a method for replacing a winding drum of a coiler, which comprises the following steps: the step of hanging out the old reel and the step of reloading the new reel. According to the invention, through research and on-site investigation and measurement, the coil stripping trolley can move 2.1 meters to the transmission side under the condition of normal stop, and the distance can completely ensure that most of the winding drum is pushed out of the frame of the coiling machine, so that the lifting requirement is met, the complex debugging of complex disassembly and movement of the coiling machine when the winding drum is moved out of the coiling machine is omitted, and accordingly, a special tool for supporting the winding drum to move when the winding drum is transversely moved by the coil stripping trolley is arranged on the coil stripping trolley and is matched with the crown block, the purpose of moving out and replacing the winding drum by boosting the coil stripping trolley is realized, and the difficulty and the strength for replacing the winding drum are greatly reduced.
Description
Technical Field
The invention relates to the technical field of smelting construction, in particular to a method for replacing a winding drum of a coiler.
Background
At present, two general methods for replacing a coiler drum are available; one method is to hang the reeling machine out of the reeling drum after the reeling machine transversely moves, and the other method is to lead the reeling drum out little by using the matching operation of a guide chain, a steel wire rope and the like.
Disclosure of Invention
In view of this, the invention provides a method for replacing a reel of a coiler, and aims to solve the problems of difficulty and high strength of the existing method for replacing the reel.
The invention provides a method for replacing a winding drum of a coiler, which comprises the following steps: and (3) hanging out the old winding drum, wherein the step of hanging out the old winding drum comprises the following steps: the first substep, dismantle the reel, and hang out the bolster bearing housing; a second substep, supporting the reel at the position close to the transmission side in the middle of the special tool on the coil stripping trolley, and hoisting the special tool at the position close to the transmission side on the expansion and contraction hydraulic cylinder at the tail part of the reel by using a crane; in the third substep, a small hook of the crown block and the coil stripping trolley are upwards inching to drive the outer ring of the drum bearing to be completely separated from the lower bearing seat; the fourth substep, inching the small hook of the overhead traveling crane upwards, make the reel tilt to the ground by the first preset angle, make coil stripping dolly and small hook of overhead traveling crane move the first preset distance to the driving side again; a fifth substep, inching a small hook of the crown block and the coil unloading trolley upwards to enable the outer ring of the expansion cylinder of the winding drum to cross the winding drum motor, and continuously transversely moving the coil unloading trolley until the transverse moving limit is reached; a sixth substep, moving the small hook of the crown block to the transmission side until the head of the winding drum is completely separated from the winding machine; and a new reel reloading step, namely reversely operating the old hanging reel, and reloading the new reel into the coiling machine.
Further, in the method for replacing a reel of a coiler, the first substep further comprises: hoisting away the reel coupler shield, and disassembling a coupler connecting bolt, a hydraulic pipe and a grease pipe; one end of the first guide chain is hung on a coiler frame above a coiling block bearing seat, the other end of the first guide chain is hooked with a lifting lug at one end of an upper bearing seat opposite to the transmission side, a steel wire rope is hung by a small crown block hook, the lifting lug of the upper bearing seat close to the transmission side is hung, and the upper bearing seat is hung out of the upper bearing seat.
Further, in the method for replacing a reel of a coiler, in the second substep, the step of hoisting the hoist to the position closer to the drive side of the expansion and contraction hydraulic cylinder at the tail of the reel by using the overhead travelling crane further comprises: one end of a first hanging strip is hung by a small hook of the overhead travelling crane, the other end of the first hanging strip is wound on the position, close to the transmission side, of the expansion and contraction hydraulic cylinder at the tail of the winding drum, and the distance between the small hook of the overhead travelling crane and the winding drum is 1.5-2 m.
Further, in the method for replacing a reel of a coiler, the third substep further comprises: firstly, inching the small hook of the crown block upwards, and then inching the coil stripping trolley upwards, and keeping the small hook of the crown block and the coil stripping trolley synchronous; the reel is kept horizontal until the outer ring of the reel bearing is completely separated from the lower bearing seat.
Further, in the method for replacing a reel of a coiler, the fourth substep further comprises: continuously inching the small hook of the crown block upwards, but stopping inching the coil stripping trolley upwards, and enabling the winding drum to incline to the ground by a first preset angle; and keeping a first preset angle, and inching the coil stripping trolley to the transmission side for a first preset distance while inching the small hook of the crown block to the transmission side.
Further, in the method for replacing a reel of a coiler, a fifth substep includes: the small hook of the crown block is inching upwards, and the coil stripping trolley is inching upwards for a second preset distance, so that the winding drum is inclined to the ground by a second preset angle, and the coil stripping trolley is moved transversely for a third preset distance to the transmission side continuously; and repeating the operation of upwards inching the small hook of the crown block and upwards inching the coil stripping trolley for a second preset distance to enable the winding drum to incline to the ground for a second preset angle, and then continuously transversely moving the coil stripping trolley for a third preset distance to the transmission side to enable the winding drum to incline to the ground for a third preset angle, and continuously transversely moving the coil stripping trolley until the transverse moving limit of the coil stripping trolley is reached.
Further, in the method for replacing a reel of a coiler, the sixth substep includes: keeping the winding drum inclined at a third preset angle, winding the middle part of the winding drum at a position close to the transmission side by using a second hanging strip, and then enabling the third hanging strip to penetrate through the second hanging strip wound on the winding drum and be fixed on a hook of the overhead travelling crane; the small hook of the crown block is moved to the transmission side until the head of the winding drum is completely separated from the coiling machine.
Further, in the method for replacing a reel of a coiler, the method further comprises, between the step of hanging out the old reel and the step of reloading the new reel: cleaning the contact surface of the base of the bearing seat by using washing oil; coating dry oil on the contact surface of the base of the bearing seat; and marking the bearing key groove of the new reel and the positioning key of the bearing base.
Further, in the method for replacing a reel of a coiler further comprising, before the step of hanging out the old reel: conveying various tools and materials required in construction to a construction site, selecting a parking position, fully opening a winding assisting roller, fully opening a winding drum supporting arm, beating an unwinding trolley out of a coiling machine, beating a chute plate to the highest position, and transversely moving a whole bundling machine to one side opposite to a transmission side, and then taking a license plate for confirmation; and paving asbestos cloth on a supporting roller of the coil stripping trolley, hoisting the special tool to the coil stripping trolley, locking a contact end part of the special tool and an operation side of the coil stripping trolley by using a second guide chain, respectively welding rib plates on two sides of the middle part of the special tool, which is in contact with the coil stripping trolley, and paving an anti-skid rubber sheet above the special tool.
Further, in the method for replacing a reel of a coiler, the step of reloading a new reel further comprises: hanging the tail part of the new reel by using a third guide chain, pulling up the guide chain, and adjusting the inclination angle of the head part of the new reel to the ground when the new reel is lifted; reversely hanging out the old reel, and reloading the new reel into the coiler
According to the invention, through research and on-site investigation and measurement, the coil stripping trolley can move 2.1 meters to the transmission side under the condition of normal stop, and the distance can completely ensure that most of the winding drum is pushed out of the frame of the coiling machine, so that the lifting requirement is met, the complex debugging of complex disassembly and movement of the coiling machine when the winding drum is moved out of the coiling machine is omitted, and accordingly, a special tool for supporting the winding drum to move when the winding drum is transversely moved by the coil stripping trolley is arranged on the coil stripping trolley and matched with a crown block, the purpose of moving out and replacing the winding drum by the coil stripping trolley is realized, and the difficulty and the strength for replacing the winding drum are greatly reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a front view of a special tool in a method for replacing a reel of a coiler provided in an embodiment of the present invention;
fig. 2 is another front view of a special tool in the method for replacing a reel of a coiler provided in the embodiment of the present invention;
fig. 3 is a side view of a special tool in the method for replacing a reel of a coiler provided in the embodiment of the present invention;
fig. 4 is another side view of the special tool in the method for replacing the reel of the coiler provided by the embodiment of the present invention;
fig. 5 is a schematic view illustrating a hoisting of an upper bearing seat in the method for replacing a reel of a coiler provided in the embodiment of the present invention;
FIG. 6 is a schematic view of an initial position of a coil stripper car and a position of a first strap in a method for replacing a reel of a coiler according to an embodiment of the present invention;
fig. 7 is a schematic view of a final first sling lifting position in the method for replacing a coiler drum according to the embodiment of the present invention;
fig. 8 is a schematic view of a new reel hook in the method for replacing a reel of a coiler provided in the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The method for replacing the winding drum of the coiler provided by the embodiment is carried out by adopting the matching of the coil unloading trolley, the special tool and the crown block, wherein the structure of the special tool is shown in fig. 1 and fig. 2, the tool comprises a main body 100 and an anti-skidding structure 200, wherein the main body 100 has a certain length, width and height, the top wall of the main body 100 is provided with a continuous trapezoidal groove 300, the trapezoidal groove 300 is used for accommodating the replaced winding drum, and the trapezoidal groove 300 is preferably an isosceles trapezoidal groove so as to be uniformly stressed when bearing the winding drum. The distance between both side walls of the trapezoidal groove 300 is gradually decreased in a direction from the top wall of the main body 100 to the bottom wall of the main body 100, i.e., in a direction from top to bottom (with respect to fig. 1), i.e., the trapezoidal groove 300 is an inverted trapezoidal groove, so that the roll falls. The trapezoidal groove 300 penetrates from one side surface of the main body 100 to the other side surface of the main body 100, and specifically, the trapezoidal groove 300 penetrates in the length direction of the main body 100 so that the roll is placed in the trapezoidal groove 300. The anti-slip structure 200 is disposed in the trapezoidal groove 300 and located at the landing point of the drum in the trapezoidal groove 300.
Referring to fig. 1 and 3, the non-slip structure 200 includes: two dogs 210, two dogs 210 connect the relative position on two lateral walls of dovetail groove 300 respectively, are close to the diapire setting of dovetail groove 300 simultaneously, can play the fixed effect of antiskid to the reel when the reel lands in dovetail groove 300. Meanwhile, referring to fig. 2 and 4, the non-slip structure 200 further includes: angle bar 220, angle bar 220's cross section is isosceles right triangle, and its bottom surface is connected at the diapire of dovetail groove 300, and both ends are connected respectively on two lateral walls of dovetail groove 300, and the right angle is towards the top of dovetail groove 300. The angle iron 220 is multistage, and angle iron 220 at different levels sets gradually along the through direction of dovetail groove 300, sets gradually along the length direction of main part 100 promptly, and angle iron 220 cooperates with dog 210 jointly, further improves the fixed effect of antiskid.
Referring to fig. 1 and 2 again, the bottom wall of the main body 100 has two arc-shaped concave portions 400 that enable the main body 100 to be clamped on the bearing seat on the transmission side of the coil stripping trolley, the arc-shaped concave portions 400 are semi-circular concave portions, and the arc-shaped concave portions 400 penetrate through the main body 100, specifically, the penetrating direction of the arc-shaped concave portions 400 is the same as the penetrating direction of the trapezoidal grooves 300, that is, the arc-shaped concave portions 400 also penetrate through the length direction of the main body 100, so that the moving direction of the coil stripping trolley is the same as the axial direction of the winding drum, and the main body 100 is convenient for containing the winding drum.
The size of the main body 100 in the through direction of the trapezoidal groove 300 is length, the size in the direction perpendicular to the through direction of the trapezoidal groove 300 is width, the size of the arc-shaped concave part 400 in the direction from the top wall of the main body 100 to the bottom wall of the main body 100 is height, the main body 100 has a preset length L, and the preset length L is greater than the length of the body of the coil stripping trolley, so that the main body 100 can be placed on the coil stripping trolley conveniently; the main body 100 has a preset width W, and the preset width W can enable the main body 100 to be clamped on a bearing seat on the transmission side of the coil stripping trolley; the arc-shaped recessed portion 400 has a predetermined height H, which allows the arc-shaped recessed portion 400 to completely cover the bearing seat on the transmission side of the coil discharging trolley. The preset length L, the preset width W and the preset height H increase the contact area of the tool and the coil stripping trolley, the upper surface area of the roller body of the coil supporting roller is fully utilized, the tool and the coil stripping trolley are combined more tightly and firmly, the friction force and the safety coefficient are increased, and the overturning risk of the tool is reduced.
Referring to fig. 3 and 4, the outer wall of the main body 100 has two recesses 500, and the two recesses 500 are respectively located at both sides of both side walls of the trapezoidal groove 300 to reduce the material and weight of the main body 100. In order to ensure the stability and strength of the main body 100, a plurality of reinforcing ribs 600 are provided in each recessed portion 500.
Referring again to fig. 1 to 4, the main body 100 is a structure formed by welding a plurality of steel plates, respectively, a first top plate 101, a first inner side plate 102, a first bottom plate 103, a first vertical plate 104, a second bottom plate 105, a first side plate 106, a first side plate 107, a second inner side plate 108, a face plate 109, a second vertical plate 110, and a second side plate 111, and the steel plates are welded together and form a trapezoidal groove 300, an arc-shaped recessed portion 400, and a recessed portion 500. Each steel plate is formed by cutting steel plates with common specifications so as to reduce the manufacturing cost and difficulty.
The method for replacing the coiler mandrel provided by the embodiment comprises the following specific steps:
preparation before hanging out the old reel:
step 1, various tools and materials required in construction are conveyed to a construction site, a machine stopping position is selected, a winding assisting roller is completely opened, a winding drum supporting arm is completely opened, a winding unloading trolley is driven out of a winding machine, a chute plate is driven to the highest position, and after the whole bundling machine is transversely moved to one side opposite to a transmission side, a brand is taken for confirmation.
And 2, lifting the coil stripping trolley 900, and horizontally walking the coil stripping trolley, and paving asbestos cloth on a coil supporting roller of the coil stripping trolley to prevent a winding drum from slipping. The special tool 800 is lifted to the coil stripping trolley 900, the contact end part of the special tool and the operation side of the coil stripping trolley is locked by a 2T second guide chain, 4 small rib plates are respectively welded on two sides of the middle part of the special tool in contact with the coil stripping trolley to prevent the special tool from warping and sliding, an anti-skid rubber sheet is paved above the special tool 800 to increase the friction force between the winding drum 770 and the special tool 800, and meanwhile, a hydraulic wrench can be used for loosening the winding drum bearing seat fixing bolt (the pretightening force of the bolt is 140Mpa in the Simian Mark standard).
Hanging out the old reel:
and 3, hanging away the drum coupler shield, sending people to respectively disassemble the coupler connecting bolts, 4 hydraulic pipes and 2 grease pipes, and wrapping the disassembled connecting pipeline joints by using prepared plastic cloth.
Step 4, referring to fig. 5, one end of the 2T first guide chain 710 is hung on the frame of the coiler above the mandrel bearing block, the other end is hooked on the lifting lug 730 on the side of the upper bearing block 720 opposite to the transmission side, a 6-minute steel wire rope 760 is hung by a small crown block hook 750, the lifting lug 740 on the upper bearing block 720 close to the transmission side is hung, and the crown block is required to be inching upwards before being hung out of the upper bearing block 720, and the first guide chain 710 is pulled at the same time. Because the upper bearing seat 720 and the lower bearing seat are connected by keys, the upper bearing seat 720 is ensured to be horizontally separated from the key slot, and after the upper bearing seat 720 is completely separated, a crown block can be lifted, the first guide chain 710 is loosened, and the upper bearing seat 720 is lifted out.
And 5, measuring, wherein the winding drum 770 can move transversely about 1.8 meters to the transmission side to meet the hanging-out requirement, and the coil stripping trolley 900 can move transversely about 2.1 meters, so that the position of the head of the winding drum 770 on the special tool 800 can be judged according to the distance. Referring to fig. 6, in connection with the operation table, the unloading trolley 900 is moved to make the middle of the special tool 800 on the unloading trolley 900 support the reel 770 at the position close to the transmission side, and of course, the higher the head position of the reel 770 is landed at the middle of the special tool 800, so that the landing point of the reel 770 on the special tool 800 is not deviated to more than 0.2 m toward the transmission side. One end of a first sling 780 of 20T is hung by a small hook 750 of the crown block, the other end of the first sling 780 is wound on a position close to one point of the transmission side on the expansion and contraction hydraulic cylinder at the tail part of the winding drum 770, and the length of the first sling 780 is ensured to ensure that the distance between the small hook 750 of the crown block and the winding drum 770 is 1.5 m-2 m after the first sling 780 is wound on the winding drum 770.
And 6, commanding the small hook 750 of the crown block to point upwards, and then pointing the coil stripping trolley 900 upwards, wherein the small hook 750 of the crown block and the coil stripping trolley 900 are kept synchronous as much as possible. Before the keyway on the outer race of the spool bearing is completely disengaged from the locating key on the base of the lower bearing housing, the spool 770 is kept as level as possible.
And 7, after the outer ring of the bearing of the winding drum is completely separated from the lower bearing seat, continuously inching the small hook 750 of the crown block, but stopping inching the coil discharging trolley 900 upwards, so that the winding drum 770 inclines to the ground by a first preset angle, but the inclination angle is not easy to be too large when the winding drum 770 does not transversely move to the transmission side, otherwise the winding drum 770 interferes with the housing of the coiling machine, and at the moment, the inclined first preset angle of the winding drum 770 is optimal to be 5-8 degrees. After keeping the first preset angle, command coil stripping dolly 900 to the first preset distance of transmission side inching, first preset distance is about 0.5m, also need to inching the little hook 750 of overhead traveling crane to the transmission side simultaneously, guarantees the straightness that hangs down of first suspender 780 on the little hook 750 of overhead traveling crane promptly.
And 8, after the winding drum 770 is pushed to the transmission side by the coil discharging trolley 900 for a first preset distance, stopping transversely moving the coil discharging trolley 900, and inching the crown block small hook 750 upwards, and meanwhile, inching the coil discharging trolley 900 upwards for a second preset short distance, wherein the second preset distance is about 60 mm-80 mm, at the moment, the second preset angle of inclination of the winding drum 770 can be ensured, the second preset angle is 8-10 degrees, and then, the coil discharging trolley 900 is continuously transversely moved to the transmission side for a third preset distance, and then, the operation is stopped, and the third preset distance is about 0.5 m. Repeating the steps to enable the winding drum 770 to incline to the ground by a third preset angle, wherein the third preset angle is the best angle of 10-15 degrees, and the angle can ensure that the outer ring of the expansion and contraction cylinder of the winding drum 770 can safely cross the winding drum motor. The traverse of the unwind carriage 900 continues until the limit of the traverse of the unwind carriage 900.
Step 9, referring to fig. 7, after the roll 770 is kept inclined at the third preset angle, the 20T second hanging strip is wound around the middle of the roll 770 at a position slightly close to the transmission side direction, and then the 20T third hanging strip 790 is passed through the second hanging strip wound on the roll 770 and fixed on the hook 700 of the crown block, so as to ensure that the distance between the hook 700 and the roll 770 is about 2 m-2.5 m.
And step 10, commanding the small hook 750 of the crown block to jog towards the transmission side until the head of the winding drum 770 is completely separated from the coiling machine, and hoisting the taken winding drum 770 to a prepared sleeper.
Preparation before reloading a new roll 770:
and 11, cleaning the contact surface of the base of the bearing seat by using washing oil to ensure the contact surface to be smooth, otherwise, causing damage to a bearing of a new winding drum.
And 12, coating dry oil on the contact surface of the base of the bearing seat to facilitate the return of the reel bearing.
And step 13, marking a mark on the bearing key groove of the new reel 1000 and a positioning key of the bearing base so as to easily align the key groove when the bearing of the reel 770 returns.
And (3) reloading a new reel:
step 14, referring to fig. 8, when the new reel 1000 is reloaded, the tail of the new reel 1000 is hung by using a third guide chain of 10t, the third guide chain is pulled up, and the inclination angle of the head of the new reel to the ground when the new reel is hung up is adjusted, wherein the inclination angle is preferably 10-15 degrees.
And step 15, reloading the new winding drum 770 according to the inverse program of the old winding drum when being lifted out, and paying attention to observing the opposite-in conditions on the clamping groove of the bearing outer ring of the winding drum, the positioning key groove and the bearing base without generating deviation when reloading. Because the bearing outer ring of the winding drum is circumferential, when the key groove of the winding drum and the positioning key of the base are reset, the bearing outer ring is easily extruded to enable the key groove of the bearing outer ring to move left and right, so that the key groove deviates to which side and how much deviation amount is probably generated when the key groove is reset, then the new winding drum 1000 is lifted up again, certain deviation amount between the key groove and the key is given for playback, and if the deviation amount is difficult to grasp, the key groove can be adjusted by a method that the guide chain pulls the bolt of the bearing outer ring.
According to the actual construction time record on site, the process from the lifting of the upper bearing seat 720 to the completion of the reel replacement of the new reel 1000 is the most complicated and time-consuming process, and only takes about 2 hours.
And step 16, reinstalling the reel bearing seat according to a reverse program, and paying attention to the fact that the pretightening force of the fixing bolt is 140 MPa.
And step 17, aligning the reel coupler, and paying attention to the fact that the deviation is within 0.1mm to be the best.
And 18, after the reel coupler bolt and the connecting pipeline thereof are connected back, the coupler shield is hoisted back.
And 19, returning the cards and recovering the trial run.
In conclusion, in the embodiment, through research and field investigation and measurement, the coil stripping trolley can move 2.1 meters to the transmission side under the condition of normal stop, and the distance can completely ensure that most of the winding drum is pushed out of the frame of the coiling machine to meet the lifting requirement, so that the complex debugging during the process of removing the winding drum and moving back the coiling machine is omitted, and accordingly, a special tool for supporting the winding drum to move when the coil stripping trolley transversely moves the winding drum is installed on the coil stripping trolley and matched with an overhead traveling crane, the purpose of removing and replacing the winding drum by boosting the coil stripping trolley is achieved, and the difficulty and the strength for replacing the winding drum are greatly reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method of replacing a coiler drum, comprising the steps of:
a step of hanging out an old reel, wherein the step of hanging out the old reel comprises the following steps: the first substep, dismantle the reel, and hang out the bolster bearing housing;
a second substep, supporting the reel at the position close to the transmission side in the middle of the special tool on the coil stripping trolley, and hoisting the special tool on the position close to the transmission side on the expansion and contraction hydraulic cylinder at the tail part of the reel by using a crane;
in the third substep, a small hook of the crown block and the coil stripping trolley are upwards inching to drive the outer ring of the drum bearing to be completely separated from the lower bearing seat;
a fourth substep, moving the small hook of the crown block upwards to enable the winding drum to incline to the ground by a first preset angle, and then enabling the coil stripping trolley and the small hook of the crown block to move to the transmission side by a first preset distance;
a fifth substep, inching the small hook of the crown block and the coil unloading trolley upwards to enable the outer ring of the expansion and contraction cylinder of the winding drum to cross the winding drum motor, and continuously transversely moving the coil unloading trolley until the transverse moving limit of the coil unloading trolley is reached;
a sixth substep of moving the crown block small hook to the transmission side until the head of the winding drum is completely separated from the winding machine;
and a new reel reloading step, namely reversely operating the step of hanging out the old reel, and reloading the new reel into the coiling machine.
2. The coiler drum changing method according to claim 1, characterized in that said first sub-step further comprises:
hoisting away the reel coupler shield, and disassembling a coupler connecting bolt, a hydraulic pipe and a grease pipe;
and hanging one end of a first guide chain on a coiler frame above a coiling block bearing block, hanging a lifting lug at one end of the upper bearing block, which is opposite to the transmission side, at the other end of the first guide chain, hanging a steel wire rope by using the small hook of the crown block, hanging the lifting lug of the upper bearing block, which is close to the transmission side, and hanging the lifting lug out of the upper bearing block.
3. The method for replacing a coiler drum according to claim 1, wherein in the second substep, said hoisting the trolley to the position on the drive side of the drum tail expansion and contraction hydraulic cylinder further comprises:
and hooking one end of a first hanging strip by the small overhead traveling crane, winding the other end of the first hanging strip at the position close to the transmission side on the expansion and contraction hydraulic cylinder at the tail part of the winding drum, and setting the distance between the small overhead traveling crane hook and the winding drum to be 1.5-2 m.
4. The coiler drum changing method according to claim 1, characterized in that said third sub-step further comprises:
firstly inching the small overhead traveling crane hook upwards, then inching the coil stripping trolley upwards, and keeping the small overhead traveling crane hook and the coil stripping trolley synchronous;
the reel is kept horizontal until the outer ring of the reel bearing is completely separated from the lower bearing seat.
5. The coiler drum replacement method according to claim 1, characterized in that said fourth sub-step further comprises:
continuously inching the small hook of the crown block, but stopping inching the coil stripping trolley upwards, and enabling the winding drum to incline to the ground by the first preset angle;
and keeping the first preset angle, so that the coil stripping trolley crawls towards the transmission side for a first preset distance, and meanwhile, the crown block small hook crawls towards the transmission side.
6. Method for replacing a coiler drum according to claim 1, characterized in that said fifth sub-step comprises:
the small hook of the crown block is inching upwards, and the coil stripping trolley is inching upwards for a second preset distance at the same time, so that the winding drum is inclined to the ground by a second preset angle, and the coil stripping trolley is continuously moved transversely for a third preset distance to the transmission side;
and repeating the operation of upwards inching the small hook of the crown block and upwards inching the coil stripping trolley for a second preset distance to enable the winding drum to incline to the ground for a second preset angle, and then continuously transversely moving the coil stripping trolley for a third preset distance to the transmission side so as to enable the winding drum to incline to the ground for a third preset angle and continuously transversely moving the coil stripping trolley until the transverse moving limit of the coil stripping trolley is reached.
7. Method for replacing a coiler drum according to claim 1, characterized in that said sixth sub-step comprises:
keeping the winding drum inclined at the third preset angle, winding a second hanging strip at the position, close to the transmission side, of the middle of the winding drum, and enabling a third hanging strip to penetrate through the second hanging strip wound on the winding drum and be fixed on a hook of the overhead travelling crane;
and moving the small hook of the crown block to the transmission side until the head of the winding drum is completely separated from the coiling machine.
8. The coiler drum changing method according to claim 1, further comprising, between said hanging out of the old drum step and said reloading of the new drum step:
cleaning the contact surface of the base of the bearing seat by using washing oil;
coating dry oil on the contact surface of the bearing seat base;
and marking the bearing key groove of the new winding drum and the positioning key of the bearing base.
9. The coiler drum changing method according to claim 1, further comprising, before said hanging out of the old drum step:
conveying various tools and materials required in construction to a construction site, selecting a parking position, fully opening a winding assisting roller, fully opening a winding drum supporting arm, beating an unwinding trolley out of a coiling machine, beating a chute plate to the highest position, and transversely moving the whole bundling machine to one side opposite to the transmission side, and then taking a license plate for confirmation;
spreading asbestos cloth on a supporting roller of the coil stripping trolley, hoisting the special tool to the coil stripping trolley, locking a contact end part of the special tool and an operation side of the coil stripping trolley by using a second guide chain, respectively welding rib plates on two sides of the middle part of the special tool, which is in contact with the coil stripping trolley, and spreading an anti-skid rubber sheet above the special tool.
10. The coiler drum replacement method according to claim 1, wherein said reloading a new drum step further comprises:
hanging the tail part of the new reel by using a third guide chain, pulling up the guide chain, and adjusting the inclination angle of the head part of the new reel to the ground when the new reel is lifted;
and reversely operating the step of hanging out the old reel, and reloading the new reel into the coiling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911386179.8A CN111137718B (en) | 2019-12-27 | 2019-12-27 | Method for replacing winding drum of coiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911386179.8A CN111137718B (en) | 2019-12-27 | 2019-12-27 | Method for replacing winding drum of coiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111137718A true CN111137718A (en) | 2020-05-12 |
| CN111137718B CN111137718B (en) | 2022-03-01 |
Family
ID=70521467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911386179.8A Active CN111137718B (en) | 2019-12-27 | 2019-12-27 | Method for replacing winding drum of coiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111137718B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758554A (en) * | 2021-08-18 | 2021-12-07 | 广东韶钢工程技术有限公司 | Auxiliary device and method for disassembling and calibrating weighing sensor of buggy ladle |
| CN117878523A (en) * | 2023-04-27 | 2024-04-12 | 广东宝路盛精密机械有限公司 | Battery diaphragm production line |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07157154A (en) * | 1993-12-06 | 1995-06-20 | Teijin Ltd | Handing device for film, etc. |
| JPH07323944A (en) * | 1994-06-03 | 1995-12-12 | Nippon Steel Corp | Unmanned transfer vehicle |
| CN201283376Y (en) * | 2008-08-21 | 2009-08-05 | 济南钢铁股份有限公司 | Special equipment for replacing reel of hot continuous rolling down coiler |
| CN201598054U (en) * | 2008-05-09 | 2010-10-06 | 沃依特专利有限责任公司 | Wound roll vehicle |
| CN202070884U (en) * | 2010-12-15 | 2011-12-14 | 中冶陕压重工设备有限公司 | Traversing sleeve replacing device |
| CN103538945A (en) * | 2012-07-11 | 2014-01-29 | 上海东冠纸业有限公司 | Paper element replacing device of toilet-roll rewinder and use method thereof |
| CN107138557A (en) * | 2017-06-30 | 2017-09-08 | 北京京诚之星科技开发有限公司 | Coiler mandrel |
| CN108015505A (en) * | 2016-11-01 | 2018-05-11 | 中冶宝钢技术服务有限公司 | A kind of downcoiler Wrapping Roll replacing options |
| CN109626070A (en) * | 2019-01-03 | 2019-04-16 | 振德医疗用品股份有限公司 | Change shaft device |
-
2019
- 2019-12-27 CN CN201911386179.8A patent/CN111137718B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07157154A (en) * | 1993-12-06 | 1995-06-20 | Teijin Ltd | Handing device for film, etc. |
| JPH07323944A (en) * | 1994-06-03 | 1995-12-12 | Nippon Steel Corp | Unmanned transfer vehicle |
| CN201598054U (en) * | 2008-05-09 | 2010-10-06 | 沃依特专利有限责任公司 | Wound roll vehicle |
| CN201283376Y (en) * | 2008-08-21 | 2009-08-05 | 济南钢铁股份有限公司 | Special equipment for replacing reel of hot continuous rolling down coiler |
| CN202070884U (en) * | 2010-12-15 | 2011-12-14 | 中冶陕压重工设备有限公司 | Traversing sleeve replacing device |
| CN103538945A (en) * | 2012-07-11 | 2014-01-29 | 上海东冠纸业有限公司 | Paper element replacing device of toilet-roll rewinder and use method thereof |
| CN108015505A (en) * | 2016-11-01 | 2018-05-11 | 中冶宝钢技术服务有限公司 | A kind of downcoiler Wrapping Roll replacing options |
| CN107138557A (en) * | 2017-06-30 | 2017-09-08 | 北京京诚之星科技开发有限公司 | Coiler mandrel |
| CN109626070A (en) * | 2019-01-03 | 2019-04-16 | 振德医疗用品股份有限公司 | Change shaft device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758554A (en) * | 2021-08-18 | 2021-12-07 | 广东韶钢工程技术有限公司 | Auxiliary device and method for disassembling and calibrating weighing sensor of buggy ladle |
| CN117878523A (en) * | 2023-04-27 | 2024-04-12 | 广东宝路盛精密机械有限公司 | Battery diaphragm production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111137718B (en) | 2022-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111137718B (en) | Method for replacing winding drum of coiler | |
| CN106988770B (en) | Geotextile waterproof cloth and two-lining reinforcing steel bar laying and laying integrated trolley | |
| JP6228740B2 (en) | Climbing device and automatic sling-type lifting device | |
| CN104989296A (en) | Sucker rod maintenance operating vehicle | |
| WO2017147656A1 (en) | A trailer for uncoiling plastic pipe | |
| CN109944120B (en) | Rapid disassembly and transportation device and disassembly and transportation method for transportation steel rail in shield tunnel construction | |
| CN111069316A (en) | Special-shaped steel drawing production line | |
| CN210117190U (en) | Small material hoister | |
| RU2409513C1 (en) | Method of replacement of ropes of mine winding plant with friction pulley, and device for its implementation | |
| CN217984295U (en) | Cable promotes laying device fast | |
| CN214366184U (en) | Add belting and add belting assembly | |
| CN215249168U (en) | Concrete prefabricated part clamp and hoisting equipment | |
| CN115492372A (en) | Cast-in-place area of assembled superimposed sheet hangs mould construction equipment | |
| CN110790171B (en) | Simple detachable electric power hoisting tool | |
| CN113620157A (en) | Multipurpose crane for finished tubular piles | |
| CN115448133B (en) | Method for replacing steel wire rope | |
| CN211692486U (en) | Whole steel mould platform truck of secondary lining | |
| CN215172745U (en) | Equipment for installing hole-penetrating pipe in long-distance dyke-penetrating sleeve | |
| CN214003872U (en) | Hoisting accessory of waterproofing membrane production usefulness | |
| JPS5830963B2 (en) | Method and device for transferring parallel cable strands to saddle | |
| CN218754206U (en) | Large-section cable recovery device | |
| CN211470667U (en) | Subway construction handling device | |
| CN215355355U (en) | Cold rolling pickling section loop internal winding machine fixing frame | |
| CN219408909U (en) | Mining explosion-proof pneumatic hoist lifting beam | |
| CN213595750U (en) | Coiled material lifting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |