CN114536274A - Device and method for disassembling wheel and bearing of circular cooler trolley - Google Patents
Device and method for disassembling wheel and bearing of circular cooler trolley Download PDFInfo
- Publication number
- CN114536274A CN114536274A CN202011354321.3A CN202011354321A CN114536274A CN 114536274 A CN114536274 A CN 114536274A CN 202011354321 A CN202011354321 A CN 202011354321A CN 114536274 A CN114536274 A CN 114536274A
- Authority
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- China
- Prior art keywords
- wheel
- push
- pull rod
- trolley
- cooling machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 210000000078 claw Anatomy 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 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
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Images
Classifications
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- 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
A ring cooling machine trolley wheel and bearing dismounting device is disclosed, wherein a circle of flange is arranged on the outer side of the ring cooling machine trolley wheel, the dismounting device comprises a base, a back plate and a hydraulic cylinder are fixedly mounted on the base, the hydraulic cylinder is connected with a push-pull rod, the push-pull rod is perpendicular to the back plate, and a plurality of clamping claws capable of clamping the flange are arranged in front of the back plate; the pull plate is detachably connected with the end part of the push-pull rod. The device for disassembling the trolley wheels and the bearings of the annular cooler can realize quick replacement of the trolley wheels and the bearings, shortens the shutdown maintenance time, avoids manual carrying of manually disassembling the wheels from a rail, and reduces 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 a circular cooler.
Background
In iron-making production, the circular cooler is a main machine device of a sintering workshop and comprises a driving device, an air box, a trolley, a discharging device, a rail device and the like. The trolley of the ring cooling machine is connected to the rotary frame through a hinge, and after the trolley receives material in the material receiving area, the trolley does circular motion along the horizontal circular track along with the rotary frame. Because the temperature of mineral aggregate in the trolley is high, the temperature near the wheels of the trolley is also high, so that the wheels of the trolley are always in a high-temperature and dust environment, lubricating grease in the wheels of the trolley is extremely easy to dry due to the high temperature, and once the bearings of the wheels of the trolley are not lubricated in place or not lubricated and supplemented timely, the bearings are lubricated badly to greatly reduce the service life of the bearings, and the bearings can be cracked when the bearings are seriously damaged, or even the wheels of the trolley are derailed and stopped. When conventional platform truck wheel and bearing were changed, need use jack-up wheel shaft, made the platform truck wheel not receive the load, because platform truck wheel position department space is narrow and small, it is inconvenient to install the jack, needs three, four people to squat and carries out the manual work in the wheel both sides and remove and unload, and the installation is hard, and maintenance duration is long, easily causes long-time shut down, influences production. Therefore, it is a matter of consideration for those skilled in the art to conveniently and quickly replace the wheel and the bearing of the circular cooler trolley.
Disclosure of Invention
The invention aims to solve the technical problem of providing a convenient and efficient device for disassembling the wheel and the bearing of the circular cooler trolley, so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a ring cooling machine trolley wheel and bearing dismounting device is disclosed, wherein a circle of flange is arranged on the outer side of the ring cooling machine trolley wheel, the dismounting device comprises a base, a back plate and a hydraulic cylinder are fixedly mounted on the base, the hydraulic cylinder is connected with a push-pull rod, the push-pull rod is perpendicular to the back plate, and a plurality of clamping claws capable of clamping the flange are arranged in front of the back plate; the pull plate is detachably connected with the end part of the push-pull rod.
Preferably, an electric control device, an oil tank, a hydraulic pump and a motor are further arranged in the base.
Preferably, the base is installed on a liftable trailer, and rollers are arranged below the liftable trailer.
The invention also provides a method for disassembling the wheels of the circular cooler trolley, which uses the disassembling device and comprises the following steps:
a) firstly, removing an end cover and a bearing locking nut of the ring cooling machine trolley wheel by using a spanner;
b) placing the dismounting device in front of the wheel of the ring cooling machine trolley, enabling the push-pull rod and the wheel shaft of the wheel of the ring cooling machine trolley to be on the same axis, and enabling the clamping jaws to clamp the flange of the wheel of the ring cooling machine trolley;
c) and starting the hydraulic cylinder to drive the push-pull rod to push forwards, and transmitting the reaction force of the wheel shaft to the ring cooling machine trolley wheel through the push-pull rod, the hydraulic cylinder, the base and the clamping jaws in sequence to detach the ring cooling machine trolley wheel from the wheel shaft.
The invention also provides a method for disassembling the wheel bearing of the circular cooler trolley, which uses the disassembling device and comprises the following steps:
a) detaching the wheels of the circular cooler trolley from the wheel shafts;
b) attaching the end surface of the wheel of the ring cooling machine trolley to the back plate, and enabling the push-pull rod to penetrate through the central hole of the wheel of the ring cooling machine trolley;
c) fixing the pulling plate at the tail end of the push-pull rod to enable the pulling plate to be pressed on an outer ring of the bearing;
d) and starting the hydraulic cylinder to enable the hydraulic cylinder to drive the push-pull rod to retract backwards, and applying pressure to the outer ring of the bearing by the pull plate to enable the bearing to be detached from the wheel of the ring cooling machine trolley.
As mentioned above, the invention relates to a device and a method for disassembling a wheel and a bearing of a loop cooler trolley, which have the following beneficial effects:
according to the dismounting device for the trolley wheel and the bearing of the ring cooling machine, the base is fixedly provided with the back plate and the hydraulic cylinder, the hydraulic cylinder is connected with the push-pull rod, the push-pull rod is vertical 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 pull plate is detachably connected with the end part of the push-pull rod. After the ring cooling machine 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 ring cooling machine through the push-pull rod, the hydraulic cylinder, the base and the clamping jaws sequentially to realize the function of disassembling the trolley wheel; the hydraulic cylinder drives the push-pull rod to retract backwards, and the pull plate exerts pull force on the outer ring of the bearing, so that the function of bearing removal is realized; the device for disassembling the trolley wheels and the bearings of the annular cooler can realize the quick replacement of the trolley wheels and the bearings, shortens the shutdown maintenance time, avoids the manual transportation of manually disassembling the wheels from the rails, and reduces the labor intensity.
Drawings
Fig. 1 is an overall schematic view of the dismounting device of the present invention.
Fig. 2 is a schematic illustration of the removal of the wheels of the trolley of the invention.
FIG. 3 is a schematic illustration of the removal of the wheel bearing of the present invention.
In the figure:
1. trolley wheels 2, flanges 3, clamping jaws 4, push-pull rods 5, a back plate 6, a hydraulic cylinder 7, a pull plate 8, an electric control device 9, a hydraulic pump 10, a motor 11, a base 12, a trailer 13, wheel shafts 14, bearings 15, rollers 100 and a trolley
Detailed Description
The following describes 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 limit the present invention.
The structures, proportions, and dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the skilled in the art. In addition, the terms "upper", "lower", "front", "rear" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
As shown in fig. 1 and 2, a circle of flange 2 is arranged on the outer side of a trolley wheel 1 of a ring cooling machine trolley 100, the ring cooling machine trolley wheel and bearing dismounting device of the invention comprises a base 11, a back plate 5 and a hydraulic cylinder 6 are fixedly mounted 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 jaws 3 capable of clamping the flange 2 are arranged in front of the back plate 5, in this embodiment, the number of the clamping jaws 3 can be 2, and the clamping jaws 3 are respectively arranged on two sides below the flange 2 to ensure that the clamping jaws 3 can support the trolley wheel 1; the trolley wheel bearing dismounting device further comprises 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 dismounting device can be used for dismounting the trolley wheel and the trolley wheel bearing 14, and is convenient, fast and efficient.
In this embodiment, the base 11 is further provided with an electric control device 8, an oil tank, a hydraulic pump 9 and a motor 10, which can provide pressure oil for the hydraulic cylinder 6.
In this embodiment, the base 11 is mounted on a liftable trailer 12, the rollers 15 are disposed below the liftable trailer 12, and 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 one axis, thereby facilitating the detachment of the trolley wheel 1.
As shown in fig. 2, the invention also provides a method for disassembling the wheels of the trolley of the circular cooler, which uses the disassembling device, and comprises the following steps:
a) firstly, removing an end cover and a bearing locking nut of the ring cooling machine trolley wheel 1 by using a spanner;
b) the dismounting device is placed in front of a trolley wheel 1 of the ring cooling machine, and as the surface of an overhauling platform is lower than the rail surface of the trolley wheel 1, the clamping jaws 3 are firstly positioned at the lower edge of the flange 2, the height of the trailer 12 is adjusted, the push-pull rod 4 and a wheel shaft 13 of the trolley wheel 1 of the ring cooling machine are positioned on one axis, and the clamping jaws 3 are clamped on the flange 2 of the trolley wheel of the ring cooling machine; at this time, 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, the wheel shaft 13 is fixed, the reaction force of the wheel shaft 13 is transmitted to the ring cooling machine trolley wheel 1 through the push-pull rod 4, the hydraulic cylinder 6, the base 11 and the clamping jaws 3 in sequence, the base 11 (together with the trailer 12) drives the trolley wheel 1 to move outwards (leftwards), and the ring cooling machine trolley wheel 1 is detached from the wheel shaft 13.
As shown in fig. 3, the invention also provides a method for dismounting the wheel bearing of the trolley of the circular cooler, which uses the dismounting device and comprises the following steps:
a) as mentioned above, the ring cooling machine trolley wheel 1 is firstly detached from the wheel shaft 13;
b) then, the end surface of the wheel 1 of the ring cooling machine trolley is kept attached to the back plate 5, and the push-pull rod 4 penetrates through the central hole of the wheel 1 of the ring cooling machine trolley;
c) fixing the pulling plate 7 at the tail end of the push-pull rod 4, so that the pulling plate 7 is pressed on an outer ring of the bearing 14;
d) and starting the hydraulic cylinder 6, enabling the hydraulic cylinder 6 to drive the push-pull rod 4 to retract backwards, and applying pressure to the outer ring of the bearing 14 by the pull plate 7 to enable the bearing 14 to be detached from the ring cooling machine trolley wheel 1. The back plate 5 is provided with an opening or notch to allow the bearing 14 to move to the left during disassembly.
The dismounting device for the trolley wheels and the bearings of the circular cooler can realize the quick replacement of the trolley wheels and the bearings, shortens the shutdown maintenance time, avoids the manual carrying of manually dismounting the wheels from the rails, reduces the labor intensity, has obvious use effect especially when a large number of trolley wheels need to be sequentially replaced in a short time, and can improve the production efficiency of equipment. The technology can be applied to the similar circular cooler equipment, and has strong popularization.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a cold board car wheel of ring and bearing dismounting device, the outside of cold board car wheel of ring (1) has round flange (2), its characterized in that: the dismounting device comprises a base (11), a back plate (5) and a hydraulic cylinder (6) are fixedly mounted 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), and a plurality of clamping claws (3) capable of clamping the flange (2) are arranged in front of the back plate (5); and the pull plate (7) is detachably connected with the end part of the push-pull rod (4).
2. The removal 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 removal 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 a wheel of a circular cooler trolley, which is characterized by using the disassembling device of claim 1, and comprises the following steps:
a) firstly, removing an end cover and a bearing locking nut of a trolley wheel (1) of the ring cooling machine by using a spanner;
b) the dismounting device is placed in front of the ring cooling machine trolley wheel (1), so that the push-pull rod (4) and a wheel shaft (13) of the ring cooling machine trolley wheel (1) are on the same axis, and the clamping jaws (3) clamp the flange (2) of the ring cooling machine trolley wheel;
c) and starting the hydraulic cylinder (6), so that the hydraulic cylinder (6) drives the push-pull rod (4) to push forwards, and the reaction force of the wheel shaft (13) is transmitted to the ring cooling machine trolley wheel (1) through the push-pull rod (4), the hydraulic cylinder (6), the base (11) and the clamping jaws (3) in sequence, so that the ring cooling machine trolley wheel (1) is detached from the wheel shaft (13).
5. A method for disassembling a wheel bearing of a ring cooler trolley, which is characterized by using the disassembling device of claim 1, and comprises the following steps:
a) disassembling the wheel (1) of the circular cooler trolley from a wheel shaft (13);
b) the end surface of the ring cooling machine trolley wheel (1) is attached to the back plate (5), and the push-pull rod (4) penetrates through a center hole of the ring cooling machine trolley wheel (1);
c) fixing the pulling plate (7) at the tail end of the push-pull rod (4) to enable the pulling plate (7) to be pressed on the outer ring of the bearing (14);
d) and starting the hydraulic cylinder (6), enabling the hydraulic cylinder (6) to drive the push-pull rod (4) to retract backwards, and applying pressure to the outer ring of the bearing (14) by the pull plate (7) to enable the bearing (14) to be detached from the ring cooling machine trolley wheel (1).
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 true CN114536274A (en) | 2022-05-27 |
| CN114536274B 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) |
Cited By (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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11970313B2 (en) | 2018-12-12 | 2024-04-30 | Yeti Coolers, Llc | Insulating container |
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| Publication number | Publication date |
|---|---|
| CN114536274B (en) | 2024-02-23 |
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