CN117901034A - Method for disassembling and replacing wheels of annular cooling machine platform - Google Patents
Method for disassembling and replacing wheels of annular cooling machine platform Download PDFInfo
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- CN117901034A CN117901034A CN202211241305.2A CN202211241305A CN117901034A CN 117901034 A CN117901034 A CN 117901034A CN 202211241305 A CN202211241305 A CN 202211241305A CN 117901034 A CN117901034 A CN 117901034A
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- trolley wheel
- trolley
- hollow jack
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 title claims description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000010009 beating Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention discloses a method for disassembling and replacing wheels of a circular cooler platform, which comprises the following steps: s1: the device is provided with a screw, a supporting plate, a jacking sleeve, a top plate and a hollow jack, and is used for jacking the trolley and relieving the axial limit of the trolley wheels; s2: the screw rod passes through the supporting plate, one end of the screw rod is screwed into the trolley wheel, the other end of the screw rod is screwed with the nut, the base of the hollow jack is abutted with the supporting plate, the working end is abutted with the trolley wheel shaft, and the trolley wheel is disassembled by the hollow jack; s3: lifting the new trolley wheel to the trolley wheel shaft position, and sleeving the new trolley wheel on the trolley wheel shaft; s4: the screw rod is arranged in the hollow jack in a penetrating way, one end of the screw rod is screwed into the closed end of the top sleeve, the other end of the screw rod penetrates out of the top plate and is screwed into the nut, the top plate is controlled to be fixed, the base of the hollow jack is abutted with the top plate, the working end of the hollow jack is abutted with the new trolley wheel, the top sleeve is sleeved on the trolley wheel shaft, the hollow jack is used for installing the new trolley wheel back, and the new trolley wheel is limited in the axial direction. The disassembly and replacement method can be used for quickly replacing the trolley wheel.
Description
Technical Field
The invention relates to the technical field of mechanical equipment overhaul, in particular to a method for disassembling and replacing wheels of a circular cooler platform.
Background
The trolley wheels of the annular cooling machine are damaged due to long-term abrasion after the trolley of the annular cooling machine runs for a long time under the influence of high temperature and dust working environments, equipment is stopped, and at the moment, in order to reduce stopping loss, the trolley wheels need to be replaced as soon as possible so as to recover production as soon as possible.
The traditional disassembly and replacement method of the annular cooler trolley wheel is that a trolley is jacked by a jack, then a steel wire rope or a hanging strip hooked on a chain block is wound on the trolley wheel to be replaced, then the bearing, the trolley wheel and the inner bushing are sequentially disassembled from the wheel shaft by continuously beating and shaking, then a new trolley wheel is assembled again in the same way, and then the steel wire rope or the hanging strip is released from the trolley wheel, thus the replacement of the annular cooler trolley wheel can be completed. However, the disassembly and replacement mode not only has the risk of the trolley wheel falling due to unbalanced stress, but also easily causes damage to the wheel shaft, the bearing and the inner bushing by continuously beating and shaking the outer side of the wheel hub when the trolley wheel is disassembled, and the whole disassembly and assembly time is longer, so that the operation efficiency is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for disassembling and replacing wheels of a ring cooling machine platform, which can realize quick replacement of the wheels of the ring cooling machine platform.
The invention adopts the following technical scheme:
the invention provides a method for disassembling and replacing wheels of a circular cooler platform, which comprises the following steps:
S1: the device is provided with a screw, a supporting plate, a jacking sleeve, a top plate and a hollow jack, and jacks up the annular cooling machine trolley and releases the axial limit of the trolley wheel;
S2: the screw rod passes through the through hole on the supporting plate, one end of the screw rod is screwed into the threaded hole on the trolley wheel, the other end of the screw rod is screwed with the nut, the base of the hollow jack is abutted with the supporting plate, the working end of the hollow jack is abutted with the trolley wheel shaft, and the hollow jack is started to detach the trolley wheel from the trolley wheel shaft;
S3: lifting the new trolley wheel to the trolley wheel shaft position, and sleeving the new trolley wheel on the trolley wheel shaft;
S4: the screw rod is arranged in the hollow jack in a penetrating mode, one end of the screw rod is screwed into a threaded hole in the closed end of the top sleeve, the other end of the screw rod penetrates out of a through hole of the top plate and is screwed into the nut, the top plate is controlled to be fixed, the base of the hollow jack is abutted to the top plate, the working end of the hollow jack is abutted to a new trolley wheel, the top sleeve is arranged on the trolley wheel shaft in a sleeved mode, the hollow jack is started to load the new trolley wheel onto the trolley wheel shaft in a returning mode, and the new trolley wheel shaft is limited.
Preferably, in step S1, releasing the axial limit of the trolley wheel comprises: the bearing end cover on the trolley wheel is removed firstly, and then the outer bearing is removed from the trolley wheel shaft.
Preferably, in step S2, after the bogie wheel is detached from the bogie wheel axle, the bearing end caps are reinstalled, and the detached bogie wheel is lifted off.
Preferably, in step S2, before the trolley wheel is disassembled, the hoisting steel rope threaded with the plurality of clamps is sleeved on the trolley wheel, the plurality of clamps are sequentially clamped with the outer edge end parts of the trolley wheel, and then two ends of the hoisting steel rope are sleeved on the hoist of the chain block, so that the hoisting steel rope is tightened.
Preferably, in step S3, lifting the new trolley wheel to the trolley wheel axle position comprises: the hoisting steel rope with the clamps is sleeved on the new trolley wheel, the clamps are sequentially clamped with the outer edge end parts of the new trolley wheel, the two ends of the hoisting steel rope are sleeved on the lifting appliance of the chain block, the hoisting steel rope is tightened, and then the new trolley wheel is lifted to the axle head position of the trolley axle by the chain block.
Preferably, through holes are respectively formed at both ends of the support plate in the length direction, and in step S2, one screw rod is respectively inserted at both ends of the support plate in the length direction, and the hollow jack is located in the interval space between the two screw rods.
Preferably, two through holes in the support plate are connected in the longitudinal direction to form a slide slot.
Preferably, in step S2, one end of the screw is threaded through the top plate and then threaded with the nut.
Preferably, in step S4, the axial limiting of the new trolley wheel comprises: the outside bearing is firstly reinstalled, and then the bearing end cover is reinstalled.
Preferably, in step S4, the outer bearing is sleeved on the trolley wheel shaft, the control top plate is kept fixed, the base of the hollow jack is abutted against the top plate, the working end of the hollow jack is abutted against the outer bearing, the top sleeve is sleeved on the trolley wheel shaft, and the hollow jack is started to load the outer bearing back on the trolley wheel shaft.
Compared with the prior art, the invention has obvious progress:
Because the trolley wheel shaft is arranged on the trolley of the annular cooler, when the trolley wheel is disassembled, the trolley wheel, the screw and the supporting plate are connected into a whole, one end of the hollow jack is abutted with the supporting plate, the other end of the hollow jack is abutted with the trolley wheel shaft, and the trolley wheel is pulled down from the trolley wheel shaft by starting the hollow jack; when the trolley wheel is installed, the hollow jack is connected with the top plate, the screw rod and the top sleeve into a whole, the top plate is controlled to be fixed, the top sleeve is sleeved on the trolley wheel shaft, one end of the hollow jack is abutted with the top plate, the other end of the hollow jack is abutted with the trolley wheel, and the trolley wheel can be installed on the trolley wheel shaft by starting the hollow jack.
Compared with the disassembly and replacement modes of beating and shaking in the prior art, the method converts the unevenly distributed point contact acting force into the stable and uniform plane basic acting force, remarkably improves the disassembly and replacement efficiency, can prevent spare parts from being damaged due to beating and shaking during disassembly and replacement, and better ensures the installation quality of the spare parts.
Drawings
Fig. 1 is a schematic view of a wheel assembly for a circular cooler according to an embodiment of the present invention.
Fig. 2 is a schematic view of the method for replacing the wheels of the annular cooler according to the embodiment of the present invention when the outboard bearing is assembled.
Fig. 3 is an axial exploded view of fig. 2.
Wherein reference numerals are as follows:
1. screw 6 and trolley wheel
2. Bearing plate 7, bogie wheel axle
3. Top cover 8, outside bearing
4. Top plate 9, clamping apparatus
5. Hollow jack 10, hoisting steel rope
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Fig. 1 to 3 show an embodiment of a method for replacing a wheel of a circular cooler according to the present invention.
Referring to fig. 1 and 3, the method for replacing the wheel of the annular cooling machine table of the embodiment includes the following steps:
s1: the device is provided with a screw 1, a support plate 2, a top sleeve 3, a top plate 4 and a hollow jack 5, and is used for jacking up a circular cooler trolley and relieving the axial limit of a trolley wheel 6;
s2: the screw 1 passes through the through hole on the supporting plate 2, one end of the screw 1 is screwed into the threaded hole on the trolley wheel 6, the other end of the screw 1 is screwed with a nut, the base of the hollow jack 5 is abutted with the supporting plate 2, the working end of the hollow jack 5 is abutted with the trolley wheel shaft 7, and the hollow jack 5 is started to detach the trolley wheel 6 from the trolley wheel shaft 7;
S3: lifting the new trolley wheel 6 to the position of the trolley wheel shaft 7, and sleeving the new trolley wheel 6 on the trolley wheel shaft 7;
S4: the screw rod 1 is arranged in the hollow jack 5 in a penetrating way, one end of the screw rod 1 is screwed into a threaded hole in the closed end of the top sleeve 3, the other end of the screw rod 1 penetrates out of a through hole of the top plate 4 and is screwed into a nut, the top plate 4 is controlled to be fixed, the base of the hollow jack 5 is abutted with the top plate 4, the working end of the hollow jack 5 is abutted with the new trolley wheel 6, the top sleeve 3 is sleeved on the trolley wheel shaft 7, the hollow jack 5 is started to enable the new trolley wheel 6 to be installed on the trolley wheel shaft 7 in a returning way, and the new trolley wheel 6 is limited in the axial direction.
Because the trolley wheel shaft 7 is arranged on the trolley of the annular cooler, when the trolley wheel 6 is disassembled, referring to fig. 1, the trolley wheel 6 is connected with the screw 1 and the support plate 2 into a whole, one end of the hollow jack 5 is abutted with the support plate 2, the other end of the hollow jack 5 is abutted with the trolley wheel shaft 7, and the trolley wheel 6 is pulled down from the trolley wheel shaft 7 by starting the hollow jack 5; in the disassembly and replacement method of the annular cooling machine platform wheel in the embodiment, when the trolley wheel 6 is installed, referring to fig. 2, the hollow jack 5 is connected with the top plate 4, the screw 1 and the top sleeve 3 into a whole, the top plate 4 is controlled to be fixed, the top sleeve 3 is sleeved on the trolley wheel shaft 7, one end of the hollow jack 5 is abutted with the top plate 4, the other end of the hollow jack 5 is abutted with the trolley wheel 6, and the trolley wheel 6 can be installed on the trolley wheel shaft 7 by starting the hollow jack 5.
Compared with the disassembly and replacement modes of beating and shaking in the prior art, the disassembly and replacement method of the annular cooling machine platform wheel converts unevenly distributed point contact acting force into stable and uniform plane basic acting force, remarkably improves disassembly and replacement efficiency, can prevent spare parts from being damaged due to beating and shaking during disassembly and replacement, and better ensures the installation quality of the spare parts.
Preferably, in step S1, releasing the axial limit of the trolley wheel 6 comprises: the bearing end caps on the trolley wheel 6 are removed first, and then the outboard bearing 8 is removed from the trolley wheel axle 7.
The threaded holes in the trolley wheel 6 are end cover screw holes for fixing the bearing end cover.
Preferably, in step S2, after the trolley wheel 6 is detached from the trolley wheel axle 7, the bearing caps are reinstalled for subsequent recovery processing of the detached trolley wheel 6 and the detached trolley wheel 6 is lifted off.
Preferably, in step S2, referring to fig. 1, before the trolley wheel 6 is disassembled, the hoisting steel rope 10 threaded with the plurality of clamps 9 is sleeved on the trolley wheel 6, the plurality of clamps 9 are sequentially clamped with the outer edge end portions of the trolley wheel 6, and then two ends of the hoisting steel rope 10 are sleeved on the hoist of the chain block, so that the hoisting steel rope 10 is tightened, and the trolley wheel 6 is prevented from falling from the hoisting steel rope 10 due to uneven stress.
Preferably, in step S3, lifting the new trolley wheel 6 to the trolley wheel axle 7 position comprises: referring to fig. 2, a hoisting steel rope 10 through which a plurality of clamps 9 are penetrated is sleeved on a new trolley wheel 6, the plurality of clamps 9 are sequentially clamped with the outer edge end parts of the new trolley wheel 6, two ends of the hoisting steel rope 10 are sleeved on a sling of a chain block, the hoisting steel rope 10 is tightened, and then the new trolley wheel 6 is hoisted to the shaft head position of the trolley wheel shaft 7 by the chain block.
Preferably, through holes are respectively formed at two ends of the support plate 2 in the length direction, and in step S2, referring to fig. 1, one screw 1 is respectively inserted at two ends of the support plate 2 in the length direction, and the hollow jack 5 is located in the interval space between the two screws 1, so that the connection between the support plate 2 and the trolley wheel 6 is more firm.
Preferably, two through holes on the support plate 2 are communicated in the length direction to form a chute hole, and the screw 1 can move in the chute hole to adjust the position of the screw until the screw can correspond to the threaded hole on the trolley wheel 6, so that the processing difficulty of the through holes on the support plate 2 is reduced.
Preferably, referring to fig. 1, in step S2, one end of the screw 1 is threaded with a nut after passing through the top plate 4.
Preferably, in step S4, the axial limiting of the new trolley wheel 6 comprises: the outer bearing 8 is first reinstalled and then the bearing end caps are reinstalled.
Preferably, in step S4, referring to fig. 2 and 3, the outboard bearing 8 is sleeved on the trolley axle 7, the control top plate 4 is kept fixed, the base of the hollow jack 5 is abutted with the top plate 4, the working end of the hollow jack 5 is abutted with the outboard bearing 8, the jack sleeve 3 is sleeved on the trolley axle 7, and the hollow jack 5 is started to mount the outboard bearing 8 back on the trolley axle 7.
The hollow jack 5 is a hollow hydraulic jack; in step S4, the worker holds the control top plate 4 stationary by holding it in his hand.
When the trolley wheels of the annular cooler are replaced in a traditional mode, 4 persons are required to work for 3 hours, after the method is used, only 2 persons are required to finish replacement of one trolley wheel for 1.5 hours, 4-8 trolley wheels are repaired each time according to the production load of the annular cooler, 10 times of calculation are regulated and repaired each time, the total annual total replacement time of the trolley wheels of the two annular coolers is saved by 192 hours, and the two production lines can create multiple economic benefits 11520 ten thousand yuan each year.
Therefore, by implementing the method, when the trolley wheel of the annular cooler is replaced, convenience is provided for operators to a great extent, the operation time is reduced, the trolley wheel 6 can be prevented from tipping due to unbalanced stress during lifting, the effect of rapid and complete assembly returning of the trolley wheel 6 is achieved, and the parts, such as the screw 1, the support plate 2, the top sleeve 3 and the top plate 4, which need to be manufactured and processed, are simple in structure and low in manufacturing and maintenance cost.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. The method for disassembling and replacing the wheel of the annular cooling machine table is characterized by comprising the following steps of:
S1: the device is provided with a screw (1), a supporting plate (2), a top sleeve (3), a top plate (4) and a hollow jack (5), and is used for jacking up a circular cooler trolley and relieving the axial limit of a trolley wheel (6);
S2: the screw rod (1) passes through a through hole on the supporting plate (2), one end of the screw rod (1) is screwed into a threaded hole on the trolley wheel (6), a nut is screwed at the other end of the screw rod (1), the base of the hollow jack (5) is abutted with the supporting plate (2), the working end of the hollow jack (5) is abutted with the trolley wheel shaft (7), and the hollow jack (5) is started to detach the trolley wheel (6) from the trolley wheel shaft (7);
S3: lifting a new trolley wheel (6) to the position of a trolley wheel shaft (7), and sleeving the new trolley wheel (6) on the trolley wheel shaft (7);
S4: the screw rod (1) is arranged in the hollow jack (5) in a penetrating mode, one end of the screw rod (1) is screwed into a threaded hole in the closed end of the top sleeve (3), the other end of the screw rod (1) penetrates out of a through hole of the top plate (4) and is screwed into a nut, the top plate (4) is controlled to be fixed, the base of the hollow jack (5) is abutted to the top plate (4), the working end of the hollow jack (5) is abutted to the new trolley wheel (6), the top sleeve (3) is sleeved on the trolley wheel shaft (7), and the hollow jack (5) is started to enable the new trolley wheel (6) to be assembled back to the trolley wheel shaft (7) and limit the axial direction of the new trolley wheel (6).
2. The method for replacing a trolley wheel of a circular cooler according to claim 1, wherein in step S1, releasing the axial limit of the trolley wheel (6) comprises: the bearing end cover on the trolley wheel (6) is removed, and then the outer bearing (8) is removed from the trolley wheel shaft (7).
3. The method according to claim 2, wherein in step S2, after the trolley wheel (6) is detached from the trolley wheel shaft (7), the bearing cap is reinstalled, and the detached trolley wheel (6) is lifted off.
4. The method for replacing the annular cooler trolley wheel according to claim 1, wherein in the step S2, before the trolley wheel (6) is disassembled, the hoisting steel rope (10) through which the plurality of clamps (9) are penetrated is sleeved on the trolley wheel (6), the plurality of clamps (9) are sequentially clamped with the outer edge end parts of the trolley wheel (6), and then the two ends of the hoisting steel rope (10) are sleeved on the lifting appliance of the chain block, so that the hoisting steel rope (10) is tightened.
5. The method of changing a trolley wheel according to claim 1, wherein in step S3, lifting a new trolley wheel (6) to a trolley wheel axle (7) position comprises: the hoisting steel rope (10) penetrated with a plurality of clamps (9) is sleeved on the new trolley wheel (6), the plurality of clamps (9) are sequentially clamped with the outer edge end parts of the new trolley wheel (6), two ends of the hoisting steel rope (10) are sleeved on a sling of the chain block, the hoisting steel rope (10) is tightened, and then the chain block is used for hoisting the new trolley wheel (6) to the shaft head position of the trolley wheel shaft (7).
6. The method for replacing a wheel of a circular cooler according to claim 1, wherein through holes are respectively formed at two ends of the supporting plate (2) in the length direction, and in step S2, a screw (1) is respectively inserted at two ends of the supporting plate (2) in the length direction, and the hollow jack (5) is located in a space between the two screws (1).
7. The method for replacing a wheel of a circular cooler according to claim 6, wherein two through holes in the support plate (2) are connected in the longitudinal direction to form a slide slot.
8. The method according to claim 1, wherein in step S2, the nut is screwed after the top plate (4) is threaded through one end of the screw (1).
9. The method for changing a wheel of a circular cooler according to claim 1, wherein in step S4, the axial limiting of the new wheel (6) comprises: the outside bearing (8) is firstly reinstalled, and then the bearing end cover is reinstalled.
10. The method according to claim 9, wherein in step S4, the outer bearing (8) is sleeved on the trolley axle (7), the control top plate (4) is kept fixed, the base of the hollow jack (5) is abutted against the top plate (4), the working end of the hollow jack (5) is abutted against the outer bearing (8), the jack sleeve (3) is sleeved on the trolley axle (7), and the hollow jack (5) is started to return the outer bearing (8) to the trolley axle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211241305.2A CN117901034A (en) | 2022-10-11 | 2022-10-11 | Method for disassembling and replacing wheels of annular cooling machine platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211241305.2A CN117901034A (en) | 2022-10-11 | 2022-10-11 | Method for disassembling and replacing wheels of annular cooling machine platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117901034A true CN117901034A (en) | 2024-04-19 |
Family
ID=90688321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211241305.2A Pending CN117901034A (en) | 2022-10-11 | 2022-10-11 | Method for disassembling and replacing wheels of annular cooling machine platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117901034A (en) |
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2022
- 2022-10-11 CN CN202211241305.2A patent/CN117901034A/en active Pending
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