CN113526324A - Self-dumping car large-diameter piston cylinder dismounting lifting appliance and using method - Google Patents
Self-dumping car large-diameter piston cylinder dismounting lifting appliance and using method Download PDFInfo
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- CN113526324A CN113526324A CN202110776077.8A CN202110776077A CN113526324A CN 113526324 A CN113526324 A CN 113526324A CN 202110776077 A CN202110776077 A CN 202110776077A CN 113526324 A CN113526324 A CN 113526324A
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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
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Abstract
The invention relates to the technical field of lifting appliances, and discloses a self-dumping car large-diameter piston cylinder dismounting lifting appliance which comprises a positioning disc and cylinder body calipers, wherein a protruding block is fixed on the positioning disc, the protruding block is provided with a limiting groove, the limiting groove is provided with a pulley, the pulley is provided with the cylinder body calipers, the lower end of the cylinder body calipers is fixedly connected with an adjusting block, the positioning disc is provided with a lifting ring, the lifting ring is provided with a fixed column, the fixed column is provided with a spring groove, a spring fixed block is arranged in the spring groove, an extension spring is fixed on the spring fixed block, an upper penetrating pin sleeve is fixed on the lower surface of the fixed column, a steel wire rope penetrates through the upper penetrating pin sleeve, the lower end of the steel wire rope penetrates through a lower penetrating pin sleeve, and the lower penetrating pin sleeve is connected with an anti-falling sleeve. The invention also provides a use method of the self-dumping car large-caliber piston cylinder dismounting lifting appliance. The piston cylinder dismounting device is suitable for dismounting the large-diameter piston cylinder of the self-dumping car, can effectively prevent the piston cylinder from sliding off, increases the safety, has adaptability to cylinder bodies with different diameters, and is suitable for popularization.
Description
Technical Field
The invention belongs to the technical field of lifting appliances, and relates to a dismounting lifting appliance for a large-diameter piston cylinder of an automatic dumping car and a using method, in particular to a dismounting lifting appliance for a KF60 large-diameter piston cylinder of the automatic dumping car and a using method.
Background
KF60 type is used for transporting the ore specially, the specialized car of industrial and mining industry equipped with hopper type under-opening door device, both sides are equipped with the dumping device of dumping car on the car, facilitate the fast inclined loading of the supplies, therefore get the name "dump car", in the course of dumping car, need the cooperation of the piston cylinder, the piston cylinder is after using for a long time, need to dismantle the piston cylinder and wash and overhaul, the existing piston cylinder to the heavy-calibre dismantles the technology and is not perfect, there is no specialized hoist, in the course of dismantling, easy accident, there is mismatch of angle in calliper hanging out of the piston cylinder, the easy landing piston cylinder to hoist;
therefore, the invention designs a lifting appliance for dismounting and mounting a large-diameter piston cylinder with high stability and safety and a using method thereof.
Disclosure of Invention
The invention aims to provide a dismounting lifting appliance for a large-diameter piston cylinder of a self-dumping car and a using method thereof, which are suitable for dismounting the large-diameter piston cylinder of the self-dumping car, can effectively prevent the piston cylinder from slipping off in the dismounting process, increase the safety, have adaptability to cylinder bodies with different diameters and are suitable for popularization.
The invention provides the following technical scheme: a self-dumping car large-diameter piston cylinder dismounting lifting appliance comprises a positioning disc, a cylinder body caliper, a steel wire rope, a U-shaped clamp and an anti-falling sleeve, wherein three protruding blocks are uniformly fixed on the positioning disc in a surrounding manner, limiting grooves are formed in the upper surfaces of the protruding blocks, pulleys are arranged in the limiting grooves in a sliding manner, rotating grooves connected with the limiting grooves are formed in the lower surfaces of the protruding blocks, the cylinder body caliper is fixedly arranged on the lower surfaces of the pulleys, the cylinder body caliper penetrates through the rotating grooves, an adjusting block is fixedly connected to the lower end of the cylinder body caliper, a penetrating adjusting groove is formed in the adjusting block, a clamping pin is connected to the adjusting groove through a fixed shaft rotating shaft, a blocking bolt is fixedly arranged on the outer side of the clamping pin, an adjusting bolt penetrates through the lower surface of the adjusting block, a supporting pad is fixedly arranged in the adjusting groove, and a rotating button is fixedly arranged on the lower surface of the adjusting bolt;
a lifting ring penetrates through the center of the positioning plate, a fixed column is fixedly arranged on the lower surface of the lifting ring, a spring groove is formed in the position, corresponding to the cylinder body calipers, of the fixed column, a spring fixed block is arranged in the spring groove, one end of an extension spring is fixed to the spring fixed block, and the other end of the extension spring is fixedly connected with a pull ring fixed to the cylinder body calipers;
the anti-dropping device is characterized in that an upper piston cylinder pin bushing is fixedly arranged on the lower surface of the fixed column, a steel wire rope penetrates through the upper piston cylinder pin bushing, two U-shaped clamps are detachably arranged on the steel wire rope, a clamping block is arranged on each U-shaped clamp, a U-shaped ring penetrated through by the steel wire rope is fixedly arranged on each clamping block, a through hole with threads is formed in each clamping block, a jacking stud is connected to the through hole in an internal thread manner, a rotating nut is connected to the position, located on the outer side of each clamping block, of each jacking stud in a threaded manner, a jacking block is fixedly arranged at the other end of each jacking stud, the lower end of the steel wire rope is connected with a lower piston cylinder pin bushing in a penetrating manner, an anti-dropping bushing is fixedly connected to the lower end of the lower piston cylinder pin bushing through a fixing bolt, an anti-dropping pin penetrates through the anti-dropping bushing, a penetrating insertion groove is formed in one end of the anti-dropping pin, and an insertion pin is arranged in the insertion groove in a sliding manner.
Preferably, the shape of the inner part of the limiting groove is matched with that of the pulley, and a funnel-shaped opening is formed in the rotating groove.
Preferably, the diameter of the thread on the adjusting bolt is mm, the adjusting groove is provided with a built-in thread matched with the adjusting bolt, the supporting pad is composed of a rubber pad, the upper surface of the supporting pad is matched with the clamping pin, and the fixing shaft is composed of a thick steel column.
Preferably, the outer side surface of the tightening block is provided with friction grains.
Preferably, according to the difference of the hoisting load, the design size and the material of the hoisting tool can be readjusted to carry out manufacturing and checking according to the hoisting weight, so that the hoisting requirement is met.
In order to realize the purpose, the invention also discloses the following technical scheme: the use method of the self-dumping car large-diameter piston cylinder dismounting hanger is characterized by comprising the following steps:
1) and splicing the devices: the upper piston rod is connected with the lower piston cylinder through a pin bush by a steel wire rope, the length of the steel wire rope is adjusted to be slightly larger than the length of a caliper of the cylinder body, a rotating nut on a U-shaped clamp is rotated, and the steel wire rope is fixed;
2) and disassembling preparation: placing KF60 at a side turning position, fixing one side of the vehicle body, which is inclined to a low position, on a steel rail by using two anti-buckling bucket clamps, tamping the vehicle body below a self-turning piston cylinder at a lifting side by using a sleeper, slowly operating air exhaust to take down a round pin of a piston rod of the self-turning cylinder, and slowly exhausting air again to retract the piston rod for a half stroke after taking out the round pin;
3) adjusting calipers: the three cylinder calipers are respectively clamped on the front cover of the second-stage cylinder, the calipers are stretched towards the inner side by a stretching spring, the adjusting bolts are adjusted by a rotating button, and the clamping pins are tightly jacked on the front cover of the second-stage cylinder by a supporting pad;
4) and installing the anti-falling sleeve: the anti-drop sleeve is connected with the piston rod, the anti-drop pin is inserted, and the insertion pin is inserted into the insertion groove to fix the anti-drop pin;
5) hoisting a piston cylinder: and slowly stressing the cylinder by using lifting equipment, exhausting residual air in the cylinder, removing a cylinder body pressure plate after the air is exhausted, slowly lifting the secondary cylinder together with the piston by using the lifting equipment, placing the secondary cylinder on a leather pad prepared in advance after the secondary cylinder and the piston are lifted, removing the anti-falling pin, utilizing the calipers of the three cylinders to bear force, removing the secondary cylinder from the piston rod and placing the secondary cylinder on the leather pad, and similarly lifting the other self-overturning cylinder on the same side.
6) And cleaning and assembling: the piston cylinder is assembled after cleaning and checking, the cylinder body calipers and the anti-drop sleeves are used for installing the piston cylinder according to the state when the piston cylinder is hung out, the secondary cylinder body and the piston are placed into the primary cylinder body, the cylinder body pressing plate is fixed, the cylinder body calipers and the anti-drop sleeves are detached, the cylinder is hoisted, turned over automatically, on the same side, after the two cylinders on the same side are assembled, air is supplied to prop the piston rods of the two cylinders to the original installation position, round pins of the piston rods are inserted into the fixed cylinder for installation, and the sleeper of the base of the primary cylinder body is taken out.
The invention has the beneficial effects that: be applicable to and carry out the dismouting to the heavy-calibre piston cylinder of from overturning, and at the dismouting in-process, can effectually prevent that the landing phenomenon from appearing in the piston cylinder, increase the security, and have the adaptability to the cylinder body of different diameters, specifically as follows:
(1) the invention is provided with the convex block, and the pulley can roll in the convex block through the matching of the convex block and the limiting groove, so that the angle of the cylinder body caliper can be adjusted, and the invention has adaptability to piston cylinders with different calibers.
(2) The cylinder body caliper is provided with the extension spring, and the cylinder body caliper is mutually and internally extended through the extension spring, so that the clamping pin on the cylinder body caliper can be clamped on the cylinder body, and the cylinder body is prevented from falling off from the cylinder body caliper.
(3) The cylinder body clamping device is provided with the adjusting bolt, the adjusting bolt is rotated through the rotating button, the supporting pad on the adjusting bolt is tightly jacked on the clamping pin, the clamping pin can be tightly attached to the cylinder body, and the clamping pin is kept attached to the cylinder body through the adjusting bolt and the extension spring, so that the cylinder body is prevented from falling off from the cylinder body caliper.
(4) The anti-dropping sleeve is provided with the U-shaped clamp, the jacking stud is pushed by rotating the nut, the jacking stud is pushed into the U-shaped ring along the through hole, and the jacking block is used for jacking and fixing two sections of overlapped steel wire ropes, so that the height of the anti-dropping sleeve is adjusted.
(5) The invention is provided with the anti-slip sleeve, the anti-slip pin on the anti-slip sleeve is connected with the piston rod, and the anti-slip pin is fixed by inserting the insertion pin into the insertion groove, so that the cylinder body caliper can be protected when slipping occurs.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIGS. 1-2 are general schematic views of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view taken at A of the present invention;
FIG. 5 is an enlarged view of the invention at B;
labeled as: 1 positioning disc, 2 lifting rings, 3 convex blocks, 4 pulleys, 5 limiting grooves, 6 round pins, 7 pull rings, 8 cylinder calipers, 9 upper piston cylinder pin penetrating sleeves, 10 steel wire ropes, 11U-shaped clamps, 12 adjusting blocks, 13 blocking bolts, 14 clamping pins, 15 fixing shafts, 16 adjusting bolts, 17 rotating buttons, 18 lower piston cylinder pin penetrating sleeves, 19 anti-falling sleeves, 20 fixing bolts, 21 extension springs, 22 anti-falling pins, 23 fixing columns, 24 spring grooves, 25 inserting pins, 26 rotating grooves, 27 spring fixing blocks, 28 inserting grooves, 29 adjusting grooves, 30 supporting pads, 31 clamping blocks, 32U-shaped rings, 33 rotating nuts, 34 jacking studs, 35 jacking blocks and 36 penetrating holes.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 5, a self-dumping large-diameter piston cylinder dismounting sling comprises a positioning disc 1, a cylinder body caliper 8, a steel wire rope 10, a U-shaped clamp 11 and an anti-dropping sleeve 19, wherein three convex blocks 3 are uniformly fixed on the positioning disc 1 in a surrounding manner, a pulley 4 is supported by the convex blocks 3, a limiting groove 5 is arranged on the upper surface of each convex block 3, the pulley 4 is arranged in the limiting groove 5 in a sliding manner, the shape of the inner part of the limiting groove 26 is matched with that of the pulley 4, the pulley 4 can roll through the limiting groove 5, a rotating groove 26 connected with the limiting groove 5 is arranged on the lower surface of each convex block 3, a funnel-shaped opening is arranged in each rotating groove 26, the rotating groove 26 provides a swinging space of the cylinder body caliper 8 at the positioning disc 1, the cylinder body caliper 8 is fixedly arranged on the lower surface of the pulley 4, the cylinder body caliper 8 penetrates through the rotating groove 26 to capture a cylinder body, and the lower end of the cylinder body caliper 8 is fixedly connected with an adjusting block 12, the adjusting block 12 is internally provided with a through adjusting groove 29, the adjusting groove 29 provides a movement space of the snap-in pin 14, the adjusting groove 29 is connected with the snap-in pin 14 through a rotating shaft of a fixing shaft 15, the fixing shaft 15 is composed of a thick steel column and is prevented from being broken under the action of pressure, the snap-in pin is clamped on a front cover of the secondary cylinder, the outer side of the snap-in pin 14 is fixedly provided with a blocking bolt 13, the lower surface of the adjusting block 12 is provided with an adjusting bolt 16 in a penetrating way, the angle of the blocking bolt 13 is adjusted through the adjusting bolt 16, the diameter of a thread on the adjusting bolt 16 is 8mm, the thread is prevented from being deformed under the action of pressure, the adjusting groove 29 is provided with a built-in thread matched with the adjusting bolt 16, the adjusting bolt 16 is fixedly provided with a supporting pad 30 positioned in the adjusting groove 29, the supporting pad 30 is composed of a rubber pad, the upper surface is matched with the snap-in pin 14, so that the supporting pad 30 keeps the maximum contact area when supporting the snap-in pin 14, the deformation of the snap pin 14 is prevented, and a rotary knob 17 is fixedly arranged on the lower surface of the adjusting bolt 16.
Referring to fig. 2-3, a lifting ring 2 penetrates through the center of the positioning plate 1, a fixing column 23 is fixedly arranged on the lower surface of the lifting ring 2, the lifting ring 2 is fixed on the positioning plate 1 through the fixing column 23, a spring groove 24 is formed in the position, corresponding to the cylinder caliper 8, of the fixing column 23, a spring fixing block 27 is arranged in the spring groove 24, the spring fixing block 27 is used for fixing the extension spring 21, one end of the extension spring 21 is fixed to the spring fixing block 27, the other end of the extension spring 21 is fixedly connected with a pull ring 7 fixed to the cylinder caliper 8, and the cylinder caliper 8 is extended towards the inner side through the extension spring 31.
Referring to fig. 2-4, an upper piston cylinder pin bushing 9 is fixedly arranged on the lower surface of a fixed column 23, a steel wire rope 10 penetrates through the upper piston cylinder pin bushing 9, a drop-proof sleeve 19 is connected through the steel wire rope 10, two U-shaped clamps 11 are detachably arranged on the steel wire rope 10, the hanging length of the steel wire rope 10 is adjusted through the U-shaped clamps 11, a fixture block 31 is arranged on each U-shaped clamp 11, a U-shaped ring 32 penetrated through by the steel wire rope 10 is fixedly arranged on each fixture block 31, a through hole 36 with threads is arranged on each fixture block 31, a jacking stud 34 is connected with a rotating nut 33 through threads on the outer side of each fixture block 31 on each jacking stud 34, a jacking block 35 is fixedly arranged at the other end of each jacking stud 34, friction grains are arranged on the outer side surface of each jacking block 35, the steel wire rope 10 is jacked and locked through each jacking block 35, a lower piston cylinder pin bushing 18 penetrates through the lower end of the steel wire rope 10, the lower end of the lower piston cylinder through pin sleeve 18 is fixedly connected with a falling-off prevention sleeve 19 through a fixing bolt 20, the falling off of the cylinder body is prevented through the falling-off prevention sleeve 19, the falling-off prevention sleeve 19 is provided with a falling-off prevention pin 22 in a penetrating way, the falling-off prevention pin 22 is inserted into the piston rod pin hole for fixing, one end of the falling-off prevention pin 22 is provided with a penetrating insertion groove 28, an insertion pin 25 is arranged in the insertion groove 28 in a sliding way, and the falling-off prevention pin 22 is fixed through the insertion pin 25 being inserted into the insertion groove 28.
According to the difference of the hoisting load, the design size and the material of the hoisting tool can be readjusted to carry out manufacturing and checking according to the hoisting weight, so that the hoisting requirement is met.
The disassembly and assembly lifting appliance for the large-diameter piston cylinder of the self-dumping car is suitable for disassembling and assembling the large-diameter piston cylinder of the self-dumping car, can effectively prevent the piston cylinder from slipping off in the disassembly and assembly process, improves safety, has adaptability to cylinder bodies with different diameters, and is suitable for popularization.
The embodiment also discloses a use method for dismounting and mounting the large-caliber piston cylinder of the self-dumping car, which comprises the following steps:
1. splicing the devices: connecting an upper piston rod pin bushing 9 with a lower piston cylinder pin bushing 18 by using a steel wire rope 10, adjusting the length of the steel wire rope 10 to be slightly larger than that of a cylinder body caliper 8, rotating a rotating nut 33 on a U-shaped clamp 11, and fixing the steel wire rope 10;
2. disassembling preparation: placing KF60 at a side turning position, fixing one side of the vehicle body, which is inclined to a low position, on a steel rail by using two anti-buckling bucket clamps, tamping the vehicle body below a self-turning piston cylinder at a lifting side by using a sleeper, slowly operating air exhaust to take down a round pin of a piston rod of the self-turning cylinder, and slowly exhausting air again to retract the piston rod for a half stroke after taking out the round pin;
3. adjusting calipers: the three cylinder calipers 8 are respectively clamped on the front covers of the two-stage cylinders, the calipers 8 are stretched towards the inner side by the stretching springs 21, the adjusting bolts 16 are adjusted by the rotating buttons 17, and the clamping pins 14 are tightly jacked on the front covers of the two-stage cylinders by the jacking pads 30;
4. installation of the anti-drop sleeve: the anti-slip sleeve 19 is connected with the piston rod, the anti-slip pin 22 is inserted, the insertion pin 25 is inserted into the insertion groove 28, and the anti-slip pin 22 is fixed;
5. hoisting a piston cylinder: slowly stressing the cylinder by using lifting equipment, exhausting residual air in the cylinder, removing a cylinder body pressure plate after exhausting the air, slowly lifting the secondary cylinder together with the piston by using the lifting equipment, placing the secondary cylinder on a leather pad prepared in advance after lifting the secondary cylinder and the piston out, removing the anti-falling pin 22, utilizing the three cylinder body calipers 8 to bear the force, removing the secondary cylinder from the piston rod and placing the secondary cylinder on the leather pad, and lifting the other self-overturning cylinder on the same side in the same way.
6. Cleaning and assembling: cleaning and checking the assembled piston cylinder, installing the piston cylinder in a hanging-out state by using the cylinder caliper 8 and the anti-drop sleeve 19, putting the secondary cylinder and the piston into the primary cylinder, fixing the cylinder pressing plate, detaching the cylinder caliper 8 and the anti-drop sleeve 19, hoisting the other cylinder which is self-turning on the same side, after the two cylinders on the same side are assembled, blowing air to jack the piston rods of the two cylinders to the original installation position, inserting round pins of the piston rods into the cylinder, fixedly installing the piston rods, and taking out the sleeper of the primary cylinder base.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a from big-bore piston cylinder dismouting hoist of tipper, includes positioning disk (1), cylinder body calliper (8), wire rope (10), U type card (11), anticreep cover (19), its characterized in that, even encircleing is fixed with three protruding piece (3) on positioning disk (1), protruding piece (3) upper surface is equipped with spacing groove (5), it is equipped with pulley (4) to slide in spacing groove (5), protruding piece (3) lower surface is equipped with rotation groove (26) of being connected with spacing groove (5), pulley (4) lower fixed surface is equipped with cylinder body calliper (8), cylinder body calliper (8) run through rotation groove (26), cylinder body calliper (8) lower extreme fixedly connected with regulating block (12), be equipped with regulation groove (29) that run through in regulating block (12), regulation groove (29) are connected with card income round pin (14) through fixed axle (15) pivot, a blocking bolt (13) is fixedly arranged on the outer side of the clamping pin (14), an adjusting bolt (16) penetrates through the lower surface of the adjusting block (12), a supporting pad (30) is fixedly arranged in an adjusting groove (29) of the adjusting bolt (16), and a rotating button (17) is fixedly arranged on the lower surface of the adjusting bolt (16);
a lifting ring (2) penetrates through the center of the positioning plate (1), a fixing column (23) is fixedly arranged on the lower surface of the lifting ring (2), a spring groove (24) is formed in the position, corresponding to the cylinder body calipers (8), of the fixing column (23), a spring fixing block (27) is arranged in the spring groove (24), one end of an extension spring (21) is fixed to the spring fixing block (27), and the other end of the extension spring is fixedly connected with a pull ring (7) fixed to the cylinder body calipers (8);
an upper piston cylinder pin bushing (9) is fixedly arranged on the lower surface of the fixing column (23), a steel wire rope (10) penetrates through the upper piston cylinder pin bushing (9), two U-shaped clamps (11) are detachably arranged on the steel wire rope (10), a clamping block (31) is arranged on each U-shaped clamp (11), a U-shaped ring (32) penetrated through by the steel wire rope (10) is fixedly arranged on each clamping block (31), a through hole (36) with threads is formed in each clamping block (31), a jacking stud (34) is connected to each through hole (36) in a threaded manner, a rotating nut (33) is connected to the outer side of each clamping block (31) in a threaded manner on each jacking stud (34), a jacking block (35) is fixedly arranged at the other end of each jacking stud (34), a lower piston cylinder pin bushing (18) penetrates through the lower end of the steel wire rope (10), and an anti-falling bushing (19) is fixedly connected to the lower end of the lower piston cylinder pin bushing (18) through a fixing bolt (20), the anti-falling sleeve (19) is provided with an anti-falling pin (22) in a penetrating mode, one end of the anti-falling pin (22) is provided with an insertion groove (28) in a penetrating mode, and an insertion pin (25) is arranged in the insertion groove (28) in a sliding mode.
2. The dismounting and mounting lifting appliance for the piston cylinder of the self-dumping car with the large caliber according to claim 1, wherein the shape of the inside of the limiting groove (26) is matched with that of the pulley (4), and a funnel-shaped opening is formed in the rotating groove (26).
3. The self-dumping car large-diameter piston cylinder dismounting sling according to claim 1, wherein the diameter of the thread on the adjusting bolt (16) is 8mm, the adjusting groove (29) is provided with a built-in thread matched with the adjusting bolt (16), the supporting pad (30) is composed of a rubber pad, the upper surface of the supporting pad is matched with the snap-in pin (14), and the fixing shaft (15) is composed of a thick steel column.
4. The dismounting and mounting lifting appliance for the large-caliber piston cylinder of the self-dumping car according to claim 1, wherein the outer side surface of the jacking block (35) is provided with friction lines.
5. The dismounting lifting appliance for the large-diameter piston cylinder of the self-dumping car according to claim 1, wherein the design size and material of the lifting appliance can be readjusted to carry out manufacturing and checking according to the lifting weight according to the difference of lifting load, so as to meet the lifting requirement.
6. The use method of the self-dumping car large-caliber piston cylinder dismounting hanger according to claim 1 is characterized by comprising the following steps:
1) and splicing the devices: connecting an upper piston rod pin bushing (9) with a lower piston cylinder pin bushing (18) by using a steel wire rope (10), adjusting the length of the steel wire rope (10) to be slightly greater than that of a cylinder caliper (8), rotating a rotating nut (33) on a U-shaped clamp (11) and fixing the steel wire rope (10);
2) and disassembling preparation: placing KF60 at a side turning position, fixing one side of the vehicle body, which is inclined to a low position, on a steel rail by using two anti-buckling bucket clamps, tamping the vehicle body below a self-turning piston cylinder at a lifting side by using a sleeper, slowly operating air exhaust to take down a round pin of a piston rod of the self-turning cylinder, and slowly exhausting air again to retract the piston rod for a half stroke after taking out the round pin;
3) adjusting calipers: the three cylinder calipers (8) are respectively clamped on the front cover of the second-stage cylinder, the calipers (8) are stretched inwards by a stretching spring (21), an adjusting bolt (16) is adjusted by a rotating button (17), and a clamping pin (14) is tightly jacked on the front cover of the second-stage cylinder by a jacking pad (30);
4) and installing the anti-falling sleeve: the anti-falling sleeve (19) is connected with the piston rod, the anti-falling pin (22) is inserted, the insertion pin (25) is inserted into the insertion groove (28), and the anti-falling pin (22) is fixed;
5) hoisting a piston cylinder: and slowly stressing the cylinder by using lifting equipment, exhausting residual wind in the cylinder, removing a cylinder body pressure plate after the wind is exhausted, slowly lifting the secondary cylinder together with the piston by using the lifting equipment, placing the secondary cylinder on a leather pad prepared in advance after the secondary cylinder and the piston are lifted, removing the anti-falling pin (22), removing the secondary cylinder from the piston rod by using three cylinder body calipers (8) to bear force, placing the secondary cylinder on the leather pad, and lifting the other self-overturning cylinder on the same side.
6) And cleaning and assembling: cleaning and checking, assembling a piston cylinder, installing a second-stage cylinder body and a piston in a first-stage cylinder body by using a cylinder body caliper (8) and an anti-release sleeve (19) according to the state when the piston cylinder is lifted out, fixing a cylinder body pressing plate, detaching the cylinder body caliper (8) and the anti-release sleeve (19), hoisting the other cylinder which is self-turned on the same side, after the two cylinders on the same side are assembled, blowing air to prop the piston rods of the two cylinders to the original installation position, inserting round pins of the piston rods into the fixed installation position, and taking out a sleeper of a base of the first-stage cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776077.8A CN113526324B (en) | 2021-07-09 | 2021-07-09 | Lifting appliance for dismounting and mounting large-caliber piston cylinder of automatic dumping car and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776077.8A CN113526324B (en) | 2021-07-09 | 2021-07-09 | Lifting appliance for dismounting and mounting large-caliber piston cylinder of automatic dumping car and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113526324A true CN113526324A (en) | 2021-10-22 |
| CN113526324B CN113526324B (en) | 2023-06-16 |
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| CN202110776077.8A Active CN113526324B (en) | 2021-07-09 | 2021-07-09 | Lifting appliance for dismounting and mounting large-caliber piston cylinder of automatic dumping car and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303971A (en) * | 2022-08-09 | 2022-11-08 | 刘珈辰 | Lifting frame of telescopic electric submersible pump and operation method thereof |
| CN115303971B (en) * | 2022-08-09 | 2024-06-04 | 广东阳春市万科机电有限公司 | Lifting frame of telescopic electric submersible pump and operation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115303971A (en) * | 2022-08-09 | 2022-11-08 | 刘珈辰 | Lifting frame of telescopic electric submersible pump and operation method thereof |
| CN115303971B (en) * | 2022-08-09 | 2024-06-04 | 广东阳春市万科机电有限公司 | Lifting frame of telescopic electric submersible pump and operation method thereof |
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| Publication number | Publication date |
|---|---|
| CN113526324B (en) | 2023-06-16 |
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