CN113511588A - Overturning walking device and method for hoist oil cylinder - Google Patents
Overturning walking device and method for hoist oil cylinder Download PDFInfo
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- CN113511588A CN113511588A CN202110438389.8A CN202110438389A CN113511588A CN 113511588 A CN113511588 A CN 113511588A CN 202110438389 A CN202110438389 A CN 202110438389A CN 113511588 A CN113511588 A CN 113511588A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 99
- 230000007306 turnover Effects 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The invention provides a turnover travelling device and a turnover travelling method of an oil cylinder of a hoist, and the turnover travelling device comprises a travelling platform, wherein one end of the travelling platform is provided with a hinged turnover platform, the turnover platform is provided with a plurality of locking mechanisms, a mounting platform at the end part of the turnover platform is provided with a rotatable fixing seat, the end part of the oil cylinder is fixed in the fixing seat in an axial direction, the oil cylinder is propped against the locking mechanism and is fixed in a radial direction, the oil cylinder is fixedly provided with a fixing mechanism, two expansion sleeves in the fixing mechanism are respectively fixed on a piston rod and a cylinder body of the oil cylinder, and the two expansion sleeves are fixedly connected through a connecting shaft so as to fixedly connect the piston rod and the cylinder body of the oil cylinder; the loop wheel machine moves the vertical oil cylinder to the overturning platform and is fixed through the locking mechanism and the fixing seat, the lifting rope of the loop wheel machine is released and drives the walking platform to move, the overturning platform can drive the oil cylinder to rotate to lie on the walking platform, otherwise, the lifting rope of the loop wheel machine is wound and drives the walking platform to move, and the oil cylinder on the walking platform can be lifted to be in a vertical state.
Description
Technical Field
The invention relates to the field of oil cylinder overturning, in particular to an overturning and traveling device and method for an oil cylinder of a hoist.
Background
The hydraulic hoist is a new hoist machine integrated with machine, electricity, liquid and instrument, and is an assembly with hydraulic cylinder as main body, oil pump, oil tank, oil filter and hydraulic control valve. The hydraulic hoist oil cylinder is used as the main equipment of the whole hydraulic system, and under the control of the hydraulic system, a piston body in the hydraulic cylinder makes axial reciprocating motion on the inner wall, so that a connecting rod connected to the piston and a gate are driven to make linear motion, and the purpose of opening and closing the gate is achieved. Therefore, the hydraulic cylinder is used as a main execution element for routine maintenance such as replacement of sealing parts and cleaning of the inner wall of the hydraulic cylinder, and the hydraulic cylinder of the hydropower station is extremely important for maintenance work, and the hydraulic cylinder is required to have large opening and closing force due to high design water head, and the length and the weight of the manufactured hydraulic cylinder are very large in order to meet the design requirements, so that the difficulty in maintenance of the hydraulic cylinder falls into the process of hoisting and overturning the hydraulic cylinder, the existing hoisting and overturning mode has certain safety risk, the hoisting and overturning operation difficulty is high, and time and labor are wasted.
Chinese patent "CN 208586571U" relates to a special lifting device for hoisting and turning over a hydraulic hoist cylinder of a hydraulic power station, and through a turning lifting device of the hydraulic hoist cylinder, the special lifting device installed on the hydraulic cylinder is hoisted by a hoist, so that the hydraulic cylinder can be driven to turn over, but the turning cannot make the hydraulic cylinder completely vertical or horizontal, a certain deviation exists in the turning, and the tool lifting device can damage the outer surface of the hydraulic cylinder.
Disclosure of Invention
The invention mainly aims to provide a turnover traveling device and method for an oil cylinder of a hoist, which solve the problems that the existing hoisting and turnover mode has certain safety risk, the hoisting and turnover operation is difficult, and time and labor are wasted.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the hydraulic cylinder overturning device comprises a walking platform, wherein a hinged overturning platform is arranged at one end of the walking platform, a plurality of locking mechanisms are arranged on the overturning platform, a rotatable fixing seat is arranged on a mounting platform at the end part of the overturning platform, the end part of a cylinder is fixed in the fixing seat in an axial direction and fixed, the cylinder is abutted against the locking mechanisms and fixed in a radial direction, a fixing mechanism is fixedly arranged on the cylinder, two expansion sleeves in the fixing mechanism are respectively fixed on a piston rod and a cylinder body of the cylinder, and the two expansion sleeves are fixedly connected through a connecting shaft so as to fixedly connect the piston rod and the cylinder body of the cylinder;
the loop wheel machine moves the vertical oil cylinder to the overturning platform and is fixed through the locking mechanism and the fixing seat, the lifting rope of the loop wheel machine is released and drives the walking platform to move, the overturning platform can drive the oil cylinder to rotate to lie on the walking platform, otherwise, the lifting rope of the loop wheel machine is wound and drives the walking platform to move, and the oil cylinder on the walking platform can be lifted to be in a vertical state.
In the preferred scheme, a plurality of rollers are arranged around a first support frame in the walking platform, the rollers at one end of the first support frame are connected through a drive axle, and a motor is fixedly arranged on the drive axle;
the motor rotates to drive the roller to rotate through the drive axle so as to move the first support frame, or the roller is locked by the motor to fix the first support frame.
In the preferred scheme, a plurality of sleepers are fixedly arranged on a first support frame, a turnover platform horizontally abuts against the sleepers, first bearing seats are arranged on two sides of the first support frame, and a second bearing seat in the turnover platform is hinged to the first bearing seats through a rotating shaft.
In the preferred scheme, a fourth pushing mechanism is arranged between the walking platform and the overturning platform, one end of the fourth pushing mechanism is hinged on a hinge seat in the walking platform, and the other end of the fourth pushing mechanism is hinged on a pin shaft in the overturning platform.
In the preferred scheme, a slewing mechanism is arranged between the mounting platform and the fixed seat, the fixed end of a slewing bearing in the slewing mechanism is arranged on the mounting platform, and the fixed seat is arranged on the rotating end of the slewing bearing;
the rotating end of the rotary bearing is provided with a gear, one side of the gear is provided with a rack meshed with the gear, and the rack is abutted against the inner side of the sliding groove.
In the preferred scheme, a third pushing mechanism is arranged between the sliding chute and the rack, one end of the third pushing mechanism is hinged on the sliding chute, and the other end of the third pushing mechanism is hinged on the rack;
the third pushing mechanism drives the rack to move in the chute, so as to drive the gear meshed with the rack to rotate and drive the oil cylinder on the fixed seat to rotate.
In the preferred scheme, two rotating frames which rotate relatively are arranged at the end part of a locking seat in the locking mechanism, the rotating frames are hinged with the locking seat, a first pushing mechanism is arranged between the rotating frames and the locking seat, one end of the first pushing mechanism is hinged on the rotating frames, and the other end of the first pushing mechanism is hinged on the locking seat;
the locking seat and the rotating frame are spliced into an inner circle, the locking seat and the rotating frame are provided with a plurality of rotatable rollers at one side close to the inner circle, and the oil cylinder is abutted against the rollers to rotate.
In the preferred scheme, a second pushing mechanism is fixedly arranged at the end part of the rotating frame at one side, a movable locking hook is arranged at the end part of the second pushing mechanism, a hook pin is fixedly arranged at the end part of the rotating frame at the other side, and the locking hook abuts against and is fixed on the hook pin.
In a preferred scheme, connecting lugs are arranged on two sides of an expansion sleeve, two ends of a connecting shaft are fixed on the connecting lugs through nuts, snap rings in the expansion sleeve are two arc-shaped rings, the two arc-shaped rings are connected through a first bolt, one ends of the two snap rings are hinged through a hinge shaft, the other ends of the two snap rings are fixedly connected through a second bolt, an arc-shaped pressing block is arranged on the inner side of each snap ring, the cross section of each arc-shaped pressing block is conical, and a conical surface abuts against the two arc-shaped rings;
the hinged clamping ring can be abutted against a piston rod and a cylinder body of the oil cylinder for pre-fixing, and the distance between the two arc-shaped rings can be adjusted by adjusting the first bolt, so that the arc-shaped pressing block can be driven to contract and abut against the piston rod and the cylinder body of the oil cylinder for fixing.
The method comprises the following steps: s1, a piston rod in an oil cylinder of the hoist is contracted to the bottom, then the piston rod and a cylinder body of the oil cylinder are respectively fixed through an expansion sleeve in a fixing mechanism and are connected through a connecting shaft, so that the piston rod can be prevented from being movably separated from the cylinder body in the assembling, disassembling and transporting of the oil cylinder;
s2, fixing a lifting rope on the crane on an oil cylinder of the hoist, dismantling the oil cylinder, and transferring the dismantled oil cylinder to a turnover platform through the crane;
s3, enabling the overturning platform and the walking platform to be in a vertical state, enabling a locking mechanism on the overturning platform to be in an unfolded state, enabling the vertically hoisted oil cylinder to horizontally enter the locking mechanism, then releasing the lifting rope to enable the end part of the oil cylinder to be clamped in the fixed seat and fixed through the pin shaft, and tightening the locking mechanism to fix the oil cylinder;
s4, pushing the rack to move through a third pushing mechanism in the swing mechanism to drive the gear and the fixed seat to rotate, so that the oil cylinder can be abutted against a roller in the locking mechanism to rotate, and the connection and locking of the gantry crane sling are facilitated;
s5, slowly releasing the lifting rope, and relatively driving the walking platform to move, so that the oil cylinder slowly moves to the horizontal direction in an inclined mode, the speed of releasing the lifting rope and the moving speed of the walking platform are controlled to be balanced, the lifting rope moves in the vertical direction, and the safety of overturning the oil cylinder is guaranteed;
s6, when the horizontal oil cylinder is turned to be vertical, the oil cylinder is hoisted and fixed on the horizontal turning platform, then the end part of the oil cylinder is rotated to install a gantry crane sling, a lifting rope is slowly coiled and the walking platform is driven to move relatively, so that the oil cylinder slowly inclines and moves to be vertical, the speed of the coiled lifting rope and the moving speed of the walking platform are controlled to be balanced, the lifting rope moves in the vertical direction, and the safety of oil cylinder turning is ensured.
The invention provides a turnover travelling device and method of a hoist oil cylinder, wherein the oil cylinder vertically moves to a turnover platform through a hoisting end part of a hoisting machine, the end part of the oil cylinder is fixed on a fixed seat, the periphery of the oil cylinder abuts against a locking mechanism, a lifting rope of the hoisting machine is released while the travelling platform is driven to move, so that the oil cylinder stably and slowly horizontally lies on the travelling platform, the rotating fixed seat drives the oil cylinder to rotate so as to facilitate the installation and the disassembly of a hoisting tool of the hoisting machine, the operation is simple, convenient and reliable, the oil cylinder is firmly fixed on the turnover platform, the oil cylinder cannot be damaged in the turnover process, the oil cylinder is reversely operated, the oil cylinder can be horizontally turned over to be vertical, and the turnover travelling device is suitable for popularization and use.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the vertical state of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention in a horizontal state;
FIG. 3 is a structural view of the walking platform of the present invention;
FIG. 4 is a bottom view of the walking platform of the present invention;
FIG. 5 is a structural view of the flipping platform of the present invention;
FIG. 6 is a top view of the flipping platform of the present invention;
FIG. 7 is a schematic locking view of the locking mechanism of the present invention;
FIG. 8 is a schematic view of the locking mechanism of the present invention in an expanded configuration;
FIG. 9 is a side elevational view of the securing mechanism of the present invention;
FIG. 10 is an expanded view of the expansion shell of the present invention;
FIG. 11 is a cross-sectional view of the expansion sleeve of the present invention;
in the figure: a walking platform 1; a first support frame 101; a roller 102; a crosstie 103; a hinge base 104; a first bearing housing 105; a first fixing hole 106; a drive axle 107; a motor 108; overturning the platform 2; a second support frame 201; a mounting platform 202; a pin 203; a second fixing hole 204; a second bearing housing 205; an oil cylinder 3; a locking mechanism 4; a locking seat 401; a turret 402; a first urging mechanism 403; a roller 404; a second urging mechanism 405; a locking hook 406; a hook pin 407; a fixed seat 5; a swing mechanism 6; a gear 601; a rack 602; a third pushing mechanism 603; a chute 604; a slew bearing 605; a fourth pushing mechanism 7; a rotating shaft 8; a fixing mechanism 9; an expansion sleeve 901; a connecting lug 902; a connecting shaft 903; an arcuate ring 904; a hinge shaft 905; an arc-shaped pressing block 906; a first bolt 907; and a second bolt 908.
Detailed Description
Example 1
As shown in fig. 1 to 11, the overturning and traveling device and method for an oil cylinder of a hoist comprise a traveling platform 1, wherein one end of the traveling platform 1 is provided with a hinged overturning platform 2, the overturning platform 2 is provided with a plurality of locking mechanisms 4, a rotatable fixing seat 5 is arranged on a mounting platform 202 at the end part of the overturning platform 2, the end part of the oil cylinder 3 is fixed in the fixing seat 5 in an axial direction, the oil cylinder 3 is abutted against the locking mechanisms 4 and fixed in the radial direction, the oil cylinder 3 is fixedly provided with a fixing mechanism 9, two expansion sleeves 901 in the fixing mechanism 9 are respectively fixed on a piston rod and a cylinder body of the oil cylinder 3, and the two expansion sleeves 901 are fixedly connected through a connecting shaft 903 so as to fixedly connect the piston rod and the cylinder body of the oil cylinder 3;
the loop wheel machine moves vertical hydro-cylinder 3 to overturn on platform 2 and fix through locking mechanism 4 and fixing base 5, releases the lifting rope of loop wheel machine and drives walking platform 1 to remove, can make upset platform 2 drive hydro-cylinder 3 and rotate to the flat walking platform 1 of lying, otherwise through the lifting rope of rolling loop wheel machine and drive walking platform 1 and remove, can hang up the hydro-cylinder 3 that lies flat on walking platform 1 and be vertical state. From this structure, carry out fixed connection through fixed establishment 9 to the piston rod and the cylinder body of hydro-cylinder 3 before hoist and mount upset hydro-cylinder 3, avoid breaking away from in hoist and mount upset in-process piston rod activity and causing danger, hydro-cylinder 3 is fixed on upset platform 2, 3 tip of accessible loop wheel machine hoist installation hydro-cylinder, thereby through release or rolling hoist lifting rope, can overturn horizontal hydro-cylinder 3 to the perpendicular, or overturn vertical hydro-cylinder 3 to the level, wherein hoist lifting rope moving speed need with 1 moving speed of walking platform to matching, guarantee that the hoist lifting rope is in vertical hoisting, guarantee the safety of hydro-cylinder 3 upset.
In a preferable scheme, a plurality of rollers 102 are arranged around a first supporting frame 101 in the walking platform 1, the plurality of rollers 102 at one end of the first supporting frame 101 are connected through a driving axle 107, and a motor 108 is fixedly arranged on the driving axle 107;
the motor 108 rotates to drive the roller 102 to rotate through the driving bridge 107, so that the first supporting frame 101 moves, or the roller 102 is locked by the motor 108 to fix the first supporting frame 101. With the structure, the motor 108 drives the roller 102 to rotate through the driving axle 107, so that the walking platform 1 can move, and the oil cylinder 3 can be conveniently overturned when the oil cylinder 3 is overturned.
In a preferred scheme, a plurality of sleepers 103 are fixedly arranged on the first support frame 101, the overturning platform 2 horizontally abuts against the sleepers 103, first bearing seats 105 are arranged on two sides of the first support frame 101, and a second bearing seat 205 in the overturning platform 2 is hinged to the first bearing seats 105 through a rotating shaft 8. With the structure, the overturning platform 2 can be abutted against the sleeper 103 when being hinged to the horizontal through the rotating shaft 8, so that the supporting stability is ensured, the stability of the oil cylinder 3 during overturning is ensured, and the stability of the walking platform 1 for moving the transportation oil cylinder 3 is also ensured.
In the preferred scheme, a fourth pushing mechanism 7 is arranged between the walking platform 1 and the overturning platform 2, one end of the fourth pushing mechanism 7 is hinged on a hinge seat 104 in the walking platform 1, and the other end is hinged on a pin 203 in the overturning platform 2. With the structure, the fourth pushing mechanism 7 is an oil cylinder, can assist the articulated rotation between the walking platform 1 and the overturning platform 2, and can be used as pushing or buffering to ensure the stability of the rotation of the overturning platform 2.
In a preferred scheme, a rotating mechanism 6 is arranged between the mounting platform 202 and the fixed seat 5, a fixed end of a rotating bearing 605 in the rotating mechanism 6 is arranged on the mounting platform 202, and the fixed seat 5 is arranged on a rotating end of the rotating bearing 605;
a gear 601 is arranged at the rotating end of the rotary bearing 605, a rack 602 meshed with the gear 601 is arranged at one side of the gear 601, and the rack 602 abuts against the sliding groove 604 to move. By the structure, the rotary bearing 605 ensures the smooth rotation of the fixed seat 5, the angle of the oil cylinder 3 is convenient to adjust, the installation and the disassembly of a lifting appliance of a crane are convenient, the rack 602 moves to drive the gear 601 meshed with the rack to rotate, namely, the fixed seat 5 on the rotary bearing 605 is driven to rotate, and the operation is simple, convenient and reliable.
In a preferred scheme, a third pushing mechanism 603 is arranged between the sliding chute 604 and the rack 602, one end of the third pushing mechanism 603 is hinged on the sliding chute 604, and the other end is hinged on the rack 602;
the third pushing mechanism 603 drives the rack 602 to move in the sliding slot 604, so as to drive the gear 601 engaged therewith to rotate, and drive the oil cylinder 3 on the fixed seat 5 to rotate. With the structure, the third pushing mechanism 603 is an oil cylinder, and is used for driving the rack 602 to move in the chute 604, and the rack 602 drives the gear 601 and the fixing seat 5 to rotate, so that the operation is simple, convenient and reliable.
In a preferable scheme, two relatively rotating frames 402 are arranged at the end part of a locking seat 401 in a locking mechanism 4, the rotating frames 402 are hinged with the locking seat 401, a first pushing mechanism 403 is arranged between the rotating frames 402 and the locking seat 401, one end of the first pushing mechanism 403 is hinged on the rotating frames 402, and the other end of the first pushing mechanism 403 is hinged on the locking seat 401;
the locking seat 401 and the rotating frame 402 are spliced into an inner circle, a plurality of rotatable rollers 404 are arranged on one side, close to the inner circle, of the locking seat 401 and the rotating frame 402, and the oil cylinder 3 abuts against the rollers 404 to rotate. From this structure, locking seat 401 is fixed on second support frame 201, when installing hydro-cylinder 3, through the opening of the rotating turret 402 of first thrustor 403 drive both sides, hydro-cylinder 3 can support and lean on in locking seat 401, drive rotating turret 402 rotate and support and can accomplish fixing to hydro-cylinder 3 on hydro-cylinder 3, easy operation is convenient and reliable, hydro-cylinder 3 supports and rotates more smoothly on supporting and leans on roller 404, the rotation connection can not cause the damage to hydro-cylinder 3 yet, locking seat 401 splices into the external diameter phase-match of interior circle and hydro-cylinder 3 with rotating turret 402.
In a preferred scheme, a second pushing mechanism 405 is fixedly arranged at the end of the rotating frame 402 on one side, a movable locking hook 406 is arranged at the end of the second pushing mechanism 405, a hook pin 407 is fixedly arranged at the end of the rotating frame 402 on the other side, and the locking hook 406 abuts against and is fixed on the hook pin 407. With the structure, when the rotating frame 402 is driven to rotate, the second pushing mechanism 405 drives the extended locking hook 406, and after the rotating frame 402 abuts against the oil cylinder 3, the second pushing mechanism 405 drives the retracted locking hook 406, so that the locking hook 406 abuts against the hook pin 407, and the oil cylinder 3 is further fixed.
In a preferable scheme, two sides of an expansion sleeve 901 are provided with connecting lugs 902, two ends of a connecting shaft 903 are fixed on the connecting lugs 902 through nuts, snap rings in the expansion sleeve 901 are two arc rings 904, the two arc rings 904 are connected through a first bolt 907, one ends of the two snap rings are hinged through a hinge shaft 905, the other ends of the two snap rings are fixedly connected through a second bolt 908, an arc pressing block 906 is arranged on the inner side of each snap ring, the cross section of the arc pressing block 906 is conical, and a conical surface abuts against the two arc rings 904;
the hinged snap ring can lean against and advance fixedly on the piston rod and cylinder body of the hydro-cylinder 3, adjust the interval between two adjustable arc rings 904 of the first bolt 907, thus can drive the arcuate briquetting 906 to shrink and lean against and fix on piston rod and cylinder body of the hydro-cylinder 3. From this structure, articulated snap ring supports and leans on the piston rod or the cylinder body of hydro-cylinder 3, lock articulated snap ring through second bolt 908, can with bloated tight cover 901 pre-fixing on hydro-cylinder 3, then connect bloated tight cover 901 on piston rod and the cylinder body through connecting axle 903, rethread tight first bolt 907 contracts arc 904 soon to let arc briquetting 906 support and lean on and fix on piston rod or the cylinder body, it is firm to ensure being connected of piston rod and cylinder body, avoid hydro-cylinder 3 piston rod activity in the transfer upset process to break away from and cause the danger.
Example 2
Further explained with reference to embodiment 1, as shown in fig. 1 to 11, a piston rod in an oil cylinder 3 of a hoist is contracted to the bottom, and then fixed to the piston rod and a cylinder body of the oil cylinder 3 respectively through an expansion sleeve 901 in a fixing mechanism 4, and connected through a connecting shaft 903, so that the piston rod is prevented from being movably separated from the cylinder body during disassembly, assembly and transportation of the oil cylinder 3; fixing a lifting rope on a crane on an oil cylinder 3 of a hoist, dismantling the oil cylinder 3, and transferring the dismantled oil cylinder 3 to a turnover platform 2 through the crane; the overturning platform 2 and the walking platform 1 are in a vertical state, the locking mechanism 4 on the overturning platform 2 is in an unfolded state, the vertically hoisted oil cylinder 3 horizontally enters the locking mechanism 4, then the lifting rope is released to enable the end part of the oil cylinder 3 to be clamped in the fixing seat 5 and fixed through the pin shaft, and the locking mechanism 4 is tightened to fix the oil cylinder 3; the rack 602 is pushed to move by a third pushing mechanism 603 in the swing mechanism 6, and the gear 601 and the fixed seat 5 are driven to rotate, so that the oil cylinder 3 can abut against the roller 404 in the locking mechanism 4 to rotate, and the connection and locking of the gantry crane lifting appliance are facilitated; slowly releasing the lifting rope, and relatively driving the walking platform 1 to move, so that the oil cylinder 3 slowly moves to the horizontal in an inclined mode, the speed of releasing the lifting rope and the moving speed of the walking platform 1 are controlled to be balanced, the lifting rope moves in the vertical direction, and the safety of overturning the oil cylinder 3 is guaranteed; when the horizontal oil cylinder 3 is turned to be vertical, the oil cylinder 3 is hoisted and fixed on the horizontal turning platform 2, then the oil cylinder 3 is rotated to install a gantry crane sling at the end part of the oil cylinder 3, the hoisting rope is slowly coiled and is relatively driven to drive the walking platform 1 to move, so that the oil cylinder 3 slowly inclines and moves to be vertical, the coiling hoisting rope speed and the moving speed of the walking platform 1 are controlled to be balanced, the hoisting rope moves in the vertical direction, and the turning safety of the oil cylinder 3 is ensured.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The overturning and traveling device of the hoist oil cylinder is characterized in that: the device comprises a walking platform (1), wherein one end of the walking platform (1) is provided with a hinged overturning platform (2), the overturning platform (2) is provided with a plurality of locking mechanisms (4), a rotatable fixing seat (5) is arranged on a mounting platform (202) at the end part of the overturning platform (2), the end part of an oil cylinder (3) is fixed in the fixing seat (5) in an axial direction, the oil cylinder (3) is abutted against and radially fixed in the locking mechanisms (4), a fixing mechanism (9) is fixedly arranged on the oil cylinder (3), two expansion sleeves (901) in the fixing mechanism (9) are respectively fixed on a piston rod and a cylinder body of the oil cylinder (3), and the two expansion sleeves (901) are fixedly connected through a connecting shaft (903) so as to fixedly connect the piston rod and the cylinder body of the oil cylinder (3);
the loop wheel machine moves vertical hydro-cylinder (3) to overturn on platform (2) and fix through locking mechanism (4) and fixing base (5), releases the lifting rope of loop wheel machine and drives walking platform (1) to remove, can make upset platform (2) drive hydro-cylinder (3) rotate to lie flat on walking platform (1), otherwise through the lifting rope of rolling loop wheel machine and drive walking platform (1) to remove, can hoist hydro-cylinder (3) that lie flat on walking platform (1) and be vertical state.
2. The tilt traveling apparatus of the hoist cylinder according to claim 1, characterized in that: a plurality of rollers (102) are arranged on the periphery of a first supporting frame (101) in the walking platform (1), the rollers (102) at one end of the first supporting frame (101) are connected through a driving axle (107), and a motor (108) is fixedly arranged on the driving axle (107);
the motor (108) rotates to drive the roller (102) to rotate through the driving axle (107) so as to enable the first support frame (101) to move, or the motor (108) locks the roller (102) to fix the first support frame (101).
3. The turnover traveling device of the hoist cylinder according to claim 2, characterized in that: a plurality of sleepers (103) are fixedly arranged on the first support frame (101), the overturning platform (2) horizontally abuts against the sleepers (103), first bearing seats (105) are arranged on two sides of the first support frame (101), and a second bearing seat (205) in the overturning platform (2) is hinged to the first bearing seats (105) through a rotating shaft (8).
4. The tilt traveling apparatus of the hoist cylinder according to claim 1, characterized in that: a fourth pushing mechanism (7) is arranged between the walking platform (1) and the overturning platform (2), one end of the fourth pushing mechanism (7) is hinged on a hinged seat (104) in the walking platform (1), and the other end of the fourth pushing mechanism is hinged on a pin shaft (203) in the overturning platform (2).
5. The tilt traveling apparatus of the hoist cylinder according to claim 1, characterized in that: a slewing mechanism (6) is arranged between the mounting platform (202) and the fixed seat (5), the fixed end of a slewing bearing (605) in the slewing mechanism (6) is arranged on the mounting platform (202), and the fixed seat (5) is arranged on the rotating end of the slewing bearing (605);
a gear (601) is arranged at the rotating end of the rotary bearing (605), a rack (602) meshed with the gear (601) is arranged on one side of the gear, and the rack (602) abuts against the sliding groove (604) to move.
6. The tilt traveling apparatus of the hoist cylinder according to claim 5, characterized in that: a third pushing mechanism (603) is arranged between the sliding groove (604) and the rack (602), one end of the third pushing mechanism (603) is hinged on the sliding groove (604), and the other end of the third pushing mechanism (603) is hinged on the rack (602);
the third pushing mechanism (603) drives the rack (602) to move in the chute (604), so as to drive the gear (601) engaged with the rack to rotate and drive the oil cylinder (3) on the fixed seat (5) to rotate.
7. The tilt traveling apparatus of the hoist cylinder according to claim 1, characterized in that: two rotating frames (402) which rotate relatively are arranged at the end part of a locking seat (401) in the locking mechanism (4), the rotating frames (402) are hinged with the locking seat (401), a first pushing mechanism (403) is arranged between the rotating frames (402) and the locking seat (401), one end of the first pushing mechanism (403) is hinged on the rotating frames (402), and the other end of the first pushing mechanism is hinged on the locking seat (401);
the locking seat (401) and the rotating frame (402) are spliced into an inner circle, one side, close to the inner circle, of the locking seat (401) and the rotating frame (402) is provided with a plurality of rotatable rollers (404), and the oil cylinder (3) abuts against the rollers (404) to rotate.
8. The tilt traveling apparatus of the hoist cylinder according to claim 7, characterized in that: a second pushing mechanism (405) is fixedly arranged at the end part of the rotating frame (402) at one side, a movable locking hook (406) is arranged at the end part of the second pushing mechanism (405), a hook pin (407) is fixedly arranged at the end part of the rotating frame (402) at the other side, and the locking hook (406) is abutted against and fixed on the hook pin (407).
9. The tilt traveling apparatus of the hoist cylinder according to claim 1, characterized in that: connecting lugs (902) are arranged on two sides of an expansion sleeve (901), two ends of a connecting shaft (903) are fixed on the connecting lugs (902) through nuts, snap rings in the expansion sleeve (901) are two arc rings (904), the two arc rings (904) are connected through a first bolt (907), one ends of the two snap rings are hinged through a hinge shaft (905), the other ends of the two snap rings are fixedly connected through a second bolt (908), an arc pressing block (906) is arranged on the inner side of each snap ring, the cross section of the arc pressing block (906) is conical, and the conical surface abuts against the two arc rings (904);
the hinged clamping ring can be abutted against a piston rod and a cylinder body of the oil cylinder (3) to be pre-fixed, and the distance between the two arc-shaped rings (904) can be adjusted by adjusting the first bolt (907), so that the arc-shaped pressing block (906) can be driven to contract and abutted against the piston rod and the cylinder body of the oil cylinder (3) to be fixed.
10. The method for overturning the traveling device of the hoist cylinder according to any one of claims 1 to 9, comprising the steps of: s1, a piston rod in an oil cylinder (3) of the hoist is contracted to the bottom, then the piston rod and a cylinder body of the oil cylinder (3) are respectively fixed through an expansion sleeve (901) in a fixing mechanism (4), and are connected through a connecting shaft (903), so that the piston rod can be prevented from being movably separated from the cylinder body in the dismounting and transportation of the oil cylinder (3);
s2, fixing a lifting rope on a crane on an oil cylinder (3) of a hoist, dismantling the oil cylinder (3), and transferring the dismantled oil cylinder (3) to a turnover platform (2) through the crane;
s3, the overturning platform (2) and the walking platform (1) are in a vertical state, the locking mechanism (4) on the overturning platform (2) is in an unfolded state, the vertically hoisted oil cylinder (3) horizontally enters the locking mechanism (4), then the lifting rope is released to enable the end part of the oil cylinder (3) to be clamped in the fixing seat (5) and fixed through the pin shaft, and the oil cylinder (3) is fixed by tightening the locking mechanism (4);
s4, the rack (602) is pushed to move through a third pushing mechanism (603) in the swing mechanism (6), and the gear (601) and the fixed seat (5) are driven to rotate, so that the oil cylinder (3) can abut against a roller (404) in the locking mechanism (4) to rotate, and the connection and locking of the gantry crane lifting appliance are facilitated;
s5, slowly releasing the lifting rope, and relatively driving the walking platform (1) to move, so that the oil cylinder (3) slowly moves to the horizontal in an inclined mode, controlling the speed of releasing the lifting rope and the moving speed of the walking platform (1) to achieve balance, enabling the lifting rope to move in the vertical direction, and ensuring the safety of overturning of the oil cylinder (3);
s6, when the horizontal oil cylinder (3) is turned to be vertical, the oil cylinder (3) is hoisted and fixed on the horizontal turning platform (2) firstly, then the end part of the oil cylinder (3) is rotated to install a gantry crane sling, a lifting rope is slowly coiled and the walking platform (1) is driven to move relatively, so that the oil cylinder (3) slowly moves to be vertical in an inclined mode, the coiling lifting rope speed and the walking platform (1) moving speed are controlled to reach a balance, the lifting rope moves in the vertical direction, and the safety of turning of the oil cylinder (3) is ensured.
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| CN202110438389.8A CN113511588A (en) | 2021-04-22 | 2021-04-22 | Overturning walking device and method for hoist oil cylinder |
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| CN202110438389.8A CN113511588A (en) | 2021-04-22 | 2021-04-22 | Overturning walking device and method for hoist oil cylinder |
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