CN212192987U - Rolling mill bearing dismounting tool - Google Patents
Rolling mill bearing dismounting tool Download PDFInfo
- Publication number
- CN212192987U CN212192987U CN202020967857.1U CN202020967857U CN212192987U CN 212192987 U CN212192987 U CN 212192987U CN 202020967857 U CN202020967857 U CN 202020967857U CN 212192987 U CN212192987 U CN 212192987U
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- pull rod
- bearing
- clamping jaw
- support
- jaw
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model relates to a bearing dismounting tool for a rolling mill, which comprises a pull rod, a claw shaft sleeve sleeved at the bottom of the pull rod, and a claw nut which is positioned above the claw shaft sleeve, sleeved on the pull rod and in threaded connection with the pull rod; the clamping jaw type pull rod is characterized in that a plurality of clamping jaws are arranged on the periphery of the pull rod, the upper portion of each clamping jaw is connected with a clamping jaw nut through a connecting rod, the lower portion of each clamping jaw is connected with a clamping jaw shaft sleeve through a connecting rod, the clamping jaws are located in bearings, the bearings are located in bearing seats, a support is arranged on each bearing seat, the top of the pull rod penetrates through the support, and the top of the pull rod is sleeved with a. The nut drives the pull rod to further pull the bearing to move upwards to separate the bearing from the bearing seat, time and labor are saved, the operation can be independently completed by one person, the labor intensity of workers is reduced, potential safety hazards caused by using a sledge bar and a sledge hammer are eliminated, and the device is particularly suitable for disassembling the bearings of 350, 450 and 550 short-stress-path rolling mills.
Description
Technical Field
The utility model belongs to the technical field of the rolling mill repair tools, concretely relates to frock is dismantled to rolling mill bearing.
Background
The short stress path rolling mill bearing is a main body device for supporting the roller to rotate, when the bearing is replaced, two persons are required to use a sledge hammer and a crowbar to knock the bearing out for dismounting, the operation time of the whole process is long, the labor intensity of workers is high, and the hidden danger that the sledge hammer hurts a person and hurts a hand is caused.
Disclosure of Invention
An object of the utility model is to provide a frock is dismantled to rolling mill bearing of labour saving and time saving, security height.
The utility model provides a technical scheme that its technical problem adopted is: a rolling mill bearing dismounting tool comprises a pull rod, a jaw shaft sleeve sleeved at the bottom of the pull rod, and a jaw nut which is positioned above the jaw shaft sleeve, sleeved on the pull rod and in threaded connection with the pull rod; the clamping jaw type pull rod is characterized in that a plurality of clamping jaws are arranged on the periphery of the pull rod, the upper portion of each clamping jaw is connected with a clamping jaw nut through a connecting rod, the lower portion of each clamping jaw is connected with a clamping jaw shaft sleeve through a connecting rod, the clamping jaws are located in bearings, the bearings are located in bearing seats, a support is arranged on each bearing seat, the top of the pull rod penetrates through the support, and the top of the pull rod is sleeved with a.
Furthermore, the peripheries of the jaw nut and the jaw shaft sleeve are provided with connecting plates, the upper part and the lower part of the jaw are respectively provided with a connecting plate, and two ends of the connecting rod are respectively connected to the corresponding connecting plates.
Preferably, there are three of the jaws.
Furthermore, the top of the support is of a flat plate structure, a round hole for the pull rod to penetrate through is formed in the middle of the flat plate structure, and the nut is located above the flat plate structure of the support.
Furthermore, the flat plate structure at the top of the support is a triangular plate, rib plates are welded at the bottom of the triangular plate, supporting legs are welded on three corners of the triangular plate, and the supporting legs are arranged on the bearing seat.
The utility model discloses following beneficial effect has: the utility model discloses a dismantle frock passes through the nut and drives the pull rod and then stimulate the bearing upward movement and deviate from the bearing frame with the bearing, labour saving and time saving can alone independently accomplish, reduces staff intensity of labour, eliminates the potential safety hazard that uses sledge hammer, crowbar to bring, is particularly useful for 350, 450, 550 short stress line rolling mill bearing dismantlements.
Drawings
Fig. 1 is the whole structure schematic diagram of the utility model discloses frock is dismantled to rolling mill bearing.
In the figure, the device comprises a bearing seat 1, a bearing seat 2, a bearing 3, a pull rod 4, a jaw 5, a connecting rod 6, a jaw nut 7, a jaw shaft sleeve 8, a support 9, a connecting plate 10 and a nut.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described, but the scope of the present invention is not limited to these embodiments. All changes and equivalents that do not depart from the spirit and scope of the invention are intended to be included within the scope of the invention.
As shown in fig. 1, a tooling for disassembling a rolling mill bearing comprises a pull rod 3 with threads, a jaw shaft sleeve 7 sleeved at the bottom of the pull rod 3, and a jaw nut 6 located above the jaw shaft sleeve 7, sleeved on the pull rod 3 and in threaded connection with the pull rod 3. Be equipped with a plurality of jack catchs 4 around pull rod 3, be equipped with a plurality of connecting plates 9 on the periphery of jack catch nut 6 and jack catch axle sleeve 7, connecting plate 9 and jack catch 4 one-to-one, the upper portion and the lower part of jack catch 4 are equipped with connecting plate 9 respectively, connecting plate 9 on 4 upper portions of jack catch pass through connecting rod 5 and jack catch nut 6 is connected, connecting plate 9 of 4 lower parts of jack catch passes through connecting rod 5 and is connected with connecting plate 9 on the jack catch axle sleeve 7, jack catch 4 is located bearing 2, bearing 2 is located bearing frame 1, be equipped with support 8 on the bearing frame 1, support 8 and the top cover that pull rod 3 was passed at the top of pull.
In the preferred embodiment, there are three jaws 4.
In another preferred scheme, the top of the bracket 8 is of a flat plate structure, a round hole for the pull rod 3 to pass through is formed in the middle of the flat plate structure, and the nut 10 is located above the flat plate structure of the bracket 8. The flat plate structure at the top of the support 8 is a triangular plate, a rib plate is welded at the bottom of the triangular plate, supporting legs are welded on three corners of the triangular plate, and the supporting legs are arranged on the bearing block 1.
When the clamping device is used, the clamping jaw end is placed in the bearing 2, the pull rod 3 is rotated to enable the clamping jaws 4 to be opened to clamp the bearing 2, the three clamping jaws 4 are adjusted to be in horizontal positions, and the bearing 2 is clamped at the same time, then the pull rod 3 is screwed by using a spanner, so that the clamping jaws 4 are tightly clamped with the bearing 2; the round hole in the middle of support 8 passes pull rod 3, and support 8's landing leg top is along last outside bearing frame 1, and 3 tops screw in nuts 10 of pull rod lift pull rod 3 up through rotating nut 10, drive bearing 2 upward movement, until deviating from bearing frame 1.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (5)
1. A rolling mill bearing dismounting tool is characterized by comprising a pull rod, a jaw shaft sleeve sleeved at the bottom of the pull rod, and a jaw nut which is positioned above the jaw shaft sleeve, sleeved on the pull rod and in threaded connection with the pull rod; the clamping jaw type pull rod is characterized in that a plurality of clamping jaws are arranged on the periphery of the pull rod, the upper portion of each clamping jaw is connected with a clamping jaw nut through a connecting rod, the lower portion of each clamping jaw is connected with a clamping jaw shaft sleeve through a connecting rod, the clamping jaws are located in bearings, the bearings are located in bearing seats, a support is arranged on each bearing seat, the top of the pull rod penetrates through the support, and the top of the pull rod is sleeved with a.
2. The rolling mill bearing disassembling tool according to claim 1, wherein connecting plates are arranged on the peripheries of the jaw nut and the jaw shaft sleeve, the upper portion and the lower portion of the jaw are respectively provided with a connecting plate, and two ends of the connecting rod are respectively connected to the corresponding connecting plates.
3. The rolling mill bearing disassembly tool of claim 1 or 2, wherein there are three jaws.
4. The rolling mill bearing disassembling tool according to claim 1, wherein the top of the support is of a flat plate structure, a round hole for the pull rod to pass through is formed in the middle of the flat plate structure, and the nut is located above the flat plate structure of the support.
5. The rolling mill bearing disassembling tool according to claim 4, wherein the flat plate structure at the top of the support is a triangular plate, rib plates are welded at the bottom of the triangular plate, support legs are welded on three corners of the triangular plate, and the support legs are arranged on the bearing seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020967857.1U CN212192987U (en) | 2020-06-01 | 2020-06-01 | Rolling mill bearing dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020967857.1U CN212192987U (en) | 2020-06-01 | 2020-06-01 | Rolling mill bearing dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212192987U true CN212192987U (en) | 2020-12-22 |
Family
ID=73813581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020967857.1U Active CN212192987U (en) | 2020-06-01 | 2020-06-01 | Rolling mill bearing dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212192987U (en) |
-
2020
- 2020-06-01 CN CN202020967857.1U patent/CN212192987U/en active Active
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