CN114536274B - Device and method for disassembling trolley wheel and bearing of annular cooler - Google Patents
Device and method for disassembling trolley wheel and bearing of annular cooler Download PDFInfo
- Publication number
- CN114536274B CN114536274B CN202011354321.3A CN202011354321A CN114536274B CN 114536274 B CN114536274 B CN 114536274B CN 202011354321 A CN202011354321 A CN 202011354321A CN 114536274 B CN114536274 B CN 114536274B
- Authority
- CN
- China
- Prior art keywords
- push
- pull rod
- wheel
- trolley
- annular cooler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims description 10
- 210000000078 claw Anatomy 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/064—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races fluid driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
Abstract
The dismounting device comprises a base, a backboard and a hydraulic cylinder are fixedly arranged on the base, the hydraulic cylinder is connected with a push-pull rod, the push-pull rod is perpendicular to the backboard, and a plurality of clamping claws capable of clamping the flange are arranged in front of the backboard; the push-pull rod is characterized by further comprising a pull plate which is detachably connected with the end part of the push-pull rod. The trolley wheel and bearing dismounting device of the annular cooler can realize quick replacement of the trolley wheel and the bearing, shorten the shutdown maintenance time, avoid manual carrying of manually dismounting the wheel from the track, and reduce the labor intensity.
Description
Technical Field
The invention belongs to the field of mechanical devices, and particularly relates to a device and a method for disassembling wheels and bearings of a trolley of an annular cooler.
Background
In iron-making production, the circular cooler is a main machine equipment of a sintering workshop and consists of a driving device, a bellows, a trolley, a discharging device, a track device and the like. The trolley of the annular cooler is connected to the revolving frame through a hinge, and the trolley performs circular motion along the horizontal circular track along the revolving frame after receiving materials in the receiving area. Because the temperature of mineral aggregate in the trolley is high, the temperature near the trolley wheels is also high, the trolley wheels are always in a high-temperature and dust environment, the lubricating grease in the trolley wheels is easy to dry due to the high temperature, once the trolley wheel bearings are not lubricated in place or are not lubricated and supplemented timely, the bearing service life is greatly reduced due to poor lubrication of the bearings, the bearing retainer is possibly broken when serious, and even the trolley wheels are derailed and stopped. When the conventional trolley wheels and bearings are replaced, the trolley wheels are required to jack up the wheel shafts by using the jacks, so that the trolley wheels are not subjected to load, the space at the trolley wheels is narrow, the jacks are inconvenient to install, three or four people are required to squat on two sides of the wheels to manually carry out the unloading, the installation is laborious, the maintenance time is long, the long-time shutdown is easy to cause, and the production is influenced. Therefore, it is a problem that the skilled person needs to consider how to conveniently and quickly replace the trolley wheels and the bearings of the annular cooler.
Disclosure of Invention
The invention aims to provide a convenient and efficient dismounting device for wheels and bearings of a trolley of an annular cooler, so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the dismounting device comprises a base, a backboard and a hydraulic cylinder are fixedly arranged on the base, the hydraulic cylinder is connected with a push-pull rod, the push-pull rod is perpendicular to the backboard, and a plurality of clamping claws capable of clamping the flange are arranged in front of the backboard; the push-pull rod is characterized by further comprising a pull plate which is detachably connected with the end part of the push-pull rod.
Preferably, an electrical control device, an oil tank, a hydraulic pump and a motor are further arranged in the base.
Preferably, the base is mounted on a liftable trailer, and rollers are arranged below the liftable trailer.
The invention also provides a method for disassembling the trolley wheel of the annular cooler, which uses the disassembling device and comprises the following steps:
a) Firstly, removing an end cover and a bearing lock nut of a trolley wheel of the annular cooler by using a spanner;
b) The dismounting device is placed in front of the trolley wheel of the annular cooler, so that the push-pull rod and the wheel shaft of the trolley wheel of the annular cooler are on the same axis, and the claw is clamped with the flange of the trolley wheel of the annular cooler;
c) The hydraulic cylinder is started to drive the push-pull rod to push forwards, and the reaction force of the wheel shaft is transmitted to the trolley wheel of the annular cooler sequentially through the push-pull rod, the hydraulic cylinder, the base and the clamping jaws, so that the trolley wheel of the annular cooler is detached from the wheel shaft.
The invention also provides a disassembling method of the wheel bearing of the annular cooling machine trolley, which uses the disassembling device and comprises the following steps:
a) The trolley wheels of the annular cooler are detached from the wheel shafts;
b) Attaching the end face of the trolley wheel of the annular cooler to the back plate, and enabling the push-pull rod to pass through the central hole of the trolley wheel of the annular cooler;
c) Fixing the pull plate at the tail end of the push-pull rod, so that the pull plate is pressed on the outer ring of the bearing;
d) The hydraulic cylinder is started to enable the hydraulic cylinder to drive the push-pull rod to retract backwards, and the pull plate applies pressure to the outer ring of the bearing to enable the bearing to be detached from the trolley wheel of the annular cooler.
As described above, the invention relates to a ring cooling machine trolley wheel, a bearing dismounting device and a dismounting method, which have the following beneficial effects:
according to the dismounting device for the trolley wheels and the bearings of the annular cooler, the back plate and the hydraulic cylinder are fixedly arranged on the base, the hydraulic cylinder is connected with the push-pull rod, the push-pull rod is perpendicular to the back plate, and the front of the back plate is provided with a plurality of clamping claws capable of clamping the flange; the push-pull rod is characterized by further comprising a pull plate which is detachably connected with the end part of the push-pull rod. After the annular cooler is stopped, the hydraulic cylinder is started to drive the push-pull rod to push the wheel shaft forwards, and the reaction force of the wheel shaft is transmitted to the trolley wheel of the annular cooler through the push-pull rod, the hydraulic cylinder, the base and the clamping jaw in sequence, so that the function of dismounting the trolley wheel is realized; the hydraulic cylinder drives the push-pull rod to retract backwards, and the pull plate applies a pulling force to the outer ring of the bearing, so that the function of dismantling the bearing is realized; the trolley wheel and bearing dismounting device of the annular cooler can realize quick replacement of the trolley wheel and the bearing, shorten the shutdown maintenance time, avoid manual carrying of manually dismounting the wheel from the track, and reduce the labor intensity.
Drawings
Fig. 1 is an overall schematic view of the dismounting device of the invention.
Fig. 2 is a schematic view showing the disassembly of the wheels of the trolley according to the invention.
Fig. 3 is a schematic view showing the disassembly of the wheel bearing of the trolley according to the invention.
In the figure:
1. trolley wheel 2, flange 3, claw 4, push-pull rod 5, back plate 6, hydraulic cylinder 7, pull plate 8, electric control device 9, hydraulic pump 10, motor 11, base 12, trailer 13, wheel axle 14, bearing 15, roller 100, trolley
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.
The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the disclosure of the present invention, and are not intended to limit the scope of the invention, which is defined by the claims, but rather by the terms of modification, variation of proportions, or adjustment of sizes, without affecting the efficacy or achievement of the present invention, should be understood as falling within the scope of the present invention. Also, the terms such as "upper", "lower", "front", "rear", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
As shown in fig. 1 and 2, a ring flange 2 is arranged on the outer side of a trolley wheel 1 of a trolley 100 of a circular cooler, the trolley wheel and bearing dismounting device of the circular cooler comprises a base 11, a back plate 5 and a hydraulic cylinder 6 are fixedly arranged on the base 11, the hydraulic cylinder 6 is connected with a push-pull rod 4, the push-pull rod 4 is perpendicular to the back plate 5, a plurality of clamping claws 3 capable of clamping the flange 2 are arranged in front of the back plate 5, in the embodiment, the number of the clamping claws 3 can be 2 and are respectively arranged on two sides below the flange 2, so that the clamping claws 3 can support the trolley wheel 1; the trolley wheel dismounting device is characterized by further comprising a pull plate 7 which is detachably connected with the end part of the push-pull rod 4 through threads, so that the trolley wheel 1 and the trolley wheel bearing 14 can be dismounted conveniently and efficiently.
In this embodiment, an electrical control device 8, an oil tank, a hydraulic pump 9 and a motor 10 are further disposed in the base 11, so as to supply pressure oil to the hydraulic cylinder 6.
In this embodiment, the base 11 is mounted on a liftable trailer 12, and rollers 15 are disposed under the liftable trailer 12, so that the height of the base 11 is adjusted by adjusting the lifting of the trailer 12, so that the height of the push-pull rod 4 is aligned with the height of the wheel axle 13 of the trolley wheel 1, that is, the push-pull rod 4 and the wheel axle 13 are on an axis, so as to facilitate the disassembly of the trolley wheel 1.
As shown in fig. 2, the invention further provides a method for disassembling wheels of a trolley of an annular cooler, which uses the disassembling device and comprises the following steps:
a) Firstly, removing an end cover and a bearing lock nut of the trolley wheel 1 of the annular cooler by using a spanner;
b) The dismounting device is placed in front of the trolley wheel 1 of the annular cooler, and as the trimming platform surface is lower than the track surface of the trolley wheel 1, the clamping claw 3 is firstly positioned at the lower edge of the flange 2, the height of the trailer 12 is adjusted, the push-pull rod 4 and the wheel shaft 13 of the trolley wheel 1 of the annular cooler are positioned on the same axis, and the clamping claw 3 clamps the flange 2 of the trolley wheel of the annular cooler; at this point, the end of the push-pull rod 4 is not connected to the pulling plate 7.
c) The hydraulic cylinder 6 is started, the hydraulic cylinder 6 drives the push-pull rod 4 to push forwards, and the wheel shaft 13 is fixed, so that the reaction force of the wheel shaft 13 is transmitted to the trolley wheel 1 of the annular cooler sequentially through the push-pull rod 4, the hydraulic cylinder 6, the base 11 and the clamping jaw 3, and the base 11 (together with the trailer 12) drives the trolley wheel 1 to move outwards (leftwards), so that the trolley wheel 1 of the annular cooler is detached from the wheel shaft 13.
As shown in fig. 3, the invention further provides a method for disassembling the wheel bearing of the trolley of the annular cooler, which uses the disassembling device and comprises the following steps:
a) As described above, the annular cooling machine trolley wheel 1 is detached from the wheel shaft 13;
b) Then, the end face of the trolley wheel 1 of the annular cooler is kept attached to the back plate 5, and the push-pull rod 4 passes through the center hole of the trolley wheel 1 of the annular cooler;
c) Fixing the pull plate 7 at the tail end of the push-pull rod 4, so that the pull plate 7 is pressed on the outer ring of the bearing 14;
d) The hydraulic cylinder 6 is started, so that the hydraulic cylinder 6 drives the push-pull rod 4 to retract backwards, and the pull plate 7 applies pressure to the outer ring of the bearing 14, so that the bearing 14 is detached from the trolley wheel 1 of the annular cooler. The back plate 5 is provided with openings or indentations allowing the bearing 14 to move to the left during disassembly.
The dismounting device for the trolley wheels and the bearings of the annular cooler can realize quick replacement of the trolley wheels and the bearings, shorten the shutdown maintenance time, avoid manual handling of the trolley wheels from the rail, reduce the labor intensity, and particularly has obvious use effect when a large number of trolley wheels need to be replaced in sequence in a short period of time, and improve the production efficiency of equipment. The technology can be applied to similar circular cooler equipment and has strong popularization.
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 (5)
1. The utility model relates to a ring cooling machine trolley wheel and a bearing dismounting device, wherein a circle of flange (2) is arranged on the outer side of the ring cooling machine trolley wheel (1), and is characterized in that,
the dismounting device comprises a base (11), wherein a back plate (5) and a hydraulic cylinder (6) are fixedly arranged on the base (11), the hydraulic cylinder (6) is connected with a push-pull rod (4), the push-pull rod (4) is perpendicular to the back plate (5), an opening or a notch allowing the push-pull rod (4) and a trolley wheel bearing (14) of the annular cooler to pass through is formed in the back plate (5), and a plurality of clamping claws (3) capable of clamping the flange (2) are arranged in front of the back plate (5);
the dismounting device further comprises a pull plate (7), and the pull plate (7) is detachably connected with the end part of the push-pull rod (4); when the trolley wheel (1) of the annular cooler is dismounted, the end part of the push-pull rod (4) is not connected with the pull plate (7), and the hydraulic cylinder (6) is started to drive the push-pull rod (4) to push the wheel shaft (13) of the trolley wheel (1) of the annular cooler forwards, and the reaction force of the wheel shaft (13) is transmitted to the trolley wheel (1) of the annular cooler through the push-pull rod (4), the hydraulic cylinder (6), the base (11) and the claw (3) of the back plate (5) in sequence, so that the trolley wheel (1) of the annular cooler is dismounted from the wheel shaft (13); when the trolley wheel bearing (14) of the annular cooler is dismounted, the end part of the push-pull rod (4) is connected with the pull plate (7), and the hydraulic cylinder (6) is started to drive the push-pull rod (4) to retract backwards, and the pull plate (7) applies a pulling force to the outer ring of the bearing (14) to dismount the bearing (14) from the trolley wheel (1) of the annular cooler.
2. The dismounting device of claim 1, wherein: an electric control device (8), an oil tank, a hydraulic pump (9) and a motor (10) are further arranged in the base (11).
3. The dismounting device of claim 1, wherein: the base (11) is arranged on a liftable trailer (12), and rollers (15) are arranged below the liftable trailer (12).
4. A method for disassembling wheels of a trolley of a circular cooler, characterized in that the disassembling device according to claim 1 is used, comprising the following steps:
a) The end cover and the bearing lock nut of the trolley wheel (1) of the annular cooler are firstly removed by using a wrench;
b) The dismounting device is placed in front of the trolley wheel (1) of the annular cooler, the push-pull rod (4) and the wheel shaft (13) of the trolley wheel (1) of the annular cooler are arranged on the same axis, and the clamping jaw (3) clamps the flange (2) of the trolley wheel (1) of the annular cooler;
c) The hydraulic cylinder (6) is started, the hydraulic cylinder (6) drives the push-pull rod (4) to push the wheel shaft (13) forwards, and the reaction force of the wheel shaft (13) is transmitted to the trolley wheel (1) of the annular cooler sequentially through the push-pull rod (4), the hydraulic cylinder (6), the base (11) and the claw (3) of the back plate (5), so that the trolley wheel (1) of the annular cooler is detached from the wheel shaft (13).
5. A method for disassembling a wheel bearing of a trolley of a circular cooler, characterized in that the disassembling device according to claim 1 is used, comprising the following steps:
a) The ring cooling machine trolley wheels (1) are detached from the wheel shafts (13) through the detaching device;
b) Attaching the end face of the trolley wheel (1) of the annular cooler to the back plate (5), and enabling the push-pull rod (4) to pass through the central hole of the trolley wheel (1) of the annular cooler;
c) Fixing a pull plate (7) at the tail end of the push-pull rod (4) to enable the pull plate (7) to be pressed on the outer ring of the bearing (14);
d) The hydraulic cylinder (6) is started, the hydraulic cylinder (6) drives the push-pull rod (4) to retract backwards, and the pull plate (7) applies pressure to the outer ring of the bearing (14) to detach the bearing (14) from the trolley wheel (1) of the annular cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011354321.3A CN114536274B (en) | 2020-11-27 | 2020-11-27 | Device and method for disassembling trolley wheel and bearing of annular cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011354321.3A CN114536274B (en) | 2020-11-27 | 2020-11-27 | Device and method for disassembling trolley wheel and bearing of annular cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114536274A CN114536274A (en) | 2022-05-27 |
| CN114536274B true CN114536274B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011354321.3A Active CN114536274B (en) | 2020-11-27 | 2020-11-27 | Device and method for disassembling trolley wheel and bearing of annular cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114536274B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11970313B2 (en) | 2018-12-12 | 2024-04-30 | Yeti Coolers, Llc | Insulating container |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5991994A (en) * | 1998-02-03 | 1999-11-30 | Chrysler Corporation | Bearing removal tool for a wheel hub |
| CN204844033U (en) * | 2015-08-31 | 2015-12-09 | 南车株洲电机有限公司 | Dismantle deep groove ball bearing device |
| CN105564152A (en) * | 2014-10-10 | 2016-05-11 | 郑德娟 | Replacing delivery device specially used for wheel |
| CN205600621U (en) * | 2016-03-23 | 2016-09-28 | 新昌新天龙纽尚精密轴承有限公司 | Bearing detaching device with adjustable |
| CN205703153U (en) * | 2016-06-06 | 2016-11-23 | 马鞍山钢铁股份有限公司 | A kind of torpedo hot metal mixer car bearing disassembling device |
| CN207449522U (en) * | 2017-11-09 | 2018-06-05 | 河钢股份有限公司承德分公司 | Sintering machine ring cold trolley wheel provision for disengagement |
-
2020
- 2020-11-27 CN CN202011354321.3A patent/CN114536274B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5991994A (en) * | 1998-02-03 | 1999-11-30 | Chrysler Corporation | Bearing removal tool for a wheel hub |
| CN105564152A (en) * | 2014-10-10 | 2016-05-11 | 郑德娟 | Replacing delivery device specially used for wheel |
| CN204844033U (en) * | 2015-08-31 | 2015-12-09 | 南车株洲电机有限公司 | Dismantle deep groove ball bearing device |
| CN205600621U (en) * | 2016-03-23 | 2016-09-28 | 新昌新天龙纽尚精密轴承有限公司 | Bearing detaching device with adjustable |
| CN205703153U (en) * | 2016-06-06 | 2016-11-23 | 马鞍山钢铁股份有限公司 | A kind of torpedo hot metal mixer car bearing disassembling device |
| CN207449522U (en) * | 2017-11-09 | 2018-06-05 | 河钢股份有限公司承德分公司 | Sintering machine ring cold trolley wheel provision for disengagement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114536274A (en) | 2022-05-27 |
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