CN211137009U - Positioning type stern tube bearing dismounting device - Google Patents
Positioning type stern tube bearing dismounting device Download PDFInfo
- Publication number
- CN211137009U CN211137009U CN201921855209.0U CN201921855209U CN211137009U CN 211137009 U CN211137009 U CN 211137009U CN 201921855209 U CN201921855209 U CN 201921855209U CN 211137009 U CN211137009 U CN 211137009U
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- rod
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- buckling
- driving
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000005491 wire drawing Methods 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000004323 axial length Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a positioning type stern tube bearing dismounting device, which comprises a stern tube, a bearing, a drawing ring sleeve, an inserting column, a buckle mechanism, a limiting mechanism and a positioning mechanism; the utility model discloses flexible screw rod has all been installed in the outside of pull ring cover and grafting post, and the rotation through flexible screw rod drives the flexible removal of arc limiting plate to change the interval of the spacing centre gripping of arc, so can make the utility model is suitable for a stern pipe of unnecessary pipe diameter advances line location, makes pull ring cover and grafting post can find the axle center rapidly, quick butt joint.
Description
Technical Field
The utility model relates to a marine accessory field, in particular to locate mode stern tube bearing dismounting device.
Background
At present, in the process of building large, medium and small ships, stern tube fore and stern bearings are installed at a slipway stage, the bearings are mostly in interference fit with holes, the bearings are guaranteed to be correctly pressed and installed in place through a professional pressing sleeve tool, meanwhile, the process requirements are met by measuring the gap between the shaft and the bearings, the cleanliness of the shaft holes, the oil cleanliness, the shaft load and the like at the later stage, and the ships can sail smoothly. The replacement of the bearings is also a difficult point during the construction process or long-term operation of the ship, and the bearings need professional devices for disassembling the bearings. Because the types and the sizes of various ship bearings are not consistent, the ship bearings are not provided with matched professional devices. Some factories adopt special tools to fix the magnetic drill, mill the groove through the garbage groove of the bearing, mill off the two sides of the bearing, and then remove the bearing. Still other plants use gouging to destructively remove the bearings. The above methods do not guarantee the integrity of the bearing and may also cause wear of the stern shaft bore surface.
SUMMERY OF THE UTILITY MODEL
To the weak point of above-mentioned prior art, the utility model provides a problem do: the positioning type stern tube bearing dismounting device is quick in positioning and convenient to dismount.
In order to solve the above problem, the utility model discloses the technical scheme who takes as follows:
a positioning type stern tube bearing dismounting device comprises a stern tube, a bearing, a drawing ring sleeve, a plug column, a buckling mechanism, a limiting mechanism and a positioning mechanism; the bearing is arranged in the stern tube; the inner end of the drawing ring sleeve is inserted into the bearing from one end of the bearing; the inner end of the inserting column is inserted into the bearing from the other end of the bearing; the upper side and the lower side of the inner end of the drawing ring sleeve are respectively provided with a clamping groove; the buckling mechanism comprises a buckling block, a buckling rod, a rotating shaft and an elastic body; the upper side and the lower side of the inner end of the splicing column are respectively provided with a rotating shaft; the rotating shafts are respectively and rotatably provided with a buckle rod; the upper side and the lower side of the inner end of the splicing column are respectively provided with an elastic body; one end of the elastic body is arranged on the inner end of the insertion column, and the other end of the elastic body is connected to the buckling rod; one end of the buckling rod is rotatably connected to the rotating shaft, and buckling blocks are respectively arranged on the outer sides of the other ends of the buckling rod; when the inner end of the inserting column is inserted into the bearing, the clamping block is driven to move along the inner side surface of the inner end of the drawing ring sleeve, and the clamping block is clamped in the clamping groove of the drawing ring sleeve; the limiting mechanism comprises a connecting ring and a limiting screw rod; connecting rings are arranged around the outer ends of the inserting columns; the upper side and the lower side of the connecting ring are respectively provided with a threaded hole; a limit screw is respectively installed in the threaded holes in a threaded manner; the limiting screw rods are respectively and rotatably abutted against the upper side and the lower side of the other end face of the bearing; positioning rings are arranged around the outer ends of the drawing ring sleeves; two positioning mechanisms are arranged; the positioning ring of the drawing ring sleeve and the connecting ring of the inserting column are both provided with a positioning mechanism; the positioning mechanism comprises an arc limiting plate and a telescopic screw rod; both sides of the connecting ring and the positioning ring are provided with threaded channels; the thread passages are all in threaded connection with a telescopic screw rod; the outer end of the telescopic screw rod is rotatably clamped with one side of the arc limiting plate respectively; the other side of the arc limiting plate is attached to and pressed on the outer side surface of the stern tube.
Further, the axial length of the buckling groove is larger than that of the buckling block.
Further, the device also comprises a rod withdrawing mechanism; the rod withdrawing mechanism comprises a drawing wire, a sliding block, a clamping rod, a driving stud and a driving rod; a driving cavity is arranged in the middle of the inner end of the insertion column; the upper side and the lower side of the outer part of the driving cavity are respectively provided with a sliding groove; the periphery of the inside of the driving cavity is provided with a threaded ring surface; the driving stud is in threaded rotary connection with the threaded ring surface of the driving cavity; one end of the clamping rod is fixed at one end of the driving stud, and the other end of the clamping rod is rotatably clamped with the sliding block; the upper side and the lower side of the sliding block are respectively connected to the sliding groove in a sliding manner through sliding teeth; the upper side and the lower side of one end of the sliding block are respectively connected with a wire drawing; one end of the wire drawing is connected to the sliding block, and the other end of the wire drawing is connected to the inner side of the clamping block; the other end of the driving stud is provided with a driving rod; one end of the driving rod is fixed at the other end of the driving stud, and the other end of the driving rod extends to the outer side of the outer end of the inserting column.
Furthermore, the upper side and the lower side of one end of the sliding block are respectively provided with a connecting plate; one end of the wire drawing is connected to the connecting plate.
Furthermore, the outer side surface of the buckling block is provided with an abutting inclined surface; the inner side of the periphery of one end of the drawing ring sleeve is provided with a conical abutting ring surface.
Furthermore, the outer ends of the pull ring sleeves are respectively provided with a pull ring.
The beneficial effects of the utility model
1. The utility model discloses flexible screw rod has all been installed in the outside of pull ring cover and grafting post, and the rotation through flexible screw rod drives the flexible removal of arc limiting plate to change the interval of the spacing centre gripping of arc, so can make the utility model is suitable for a stern pipe of unnecessary pipe diameter advances line location, makes pull ring cover and grafting post can find the axle center rapidly, quick butt joint.
2. The utility model discloses a structure is dismantled to stern axle bearing that structure is ingenious, insert the inside time of bearing through the inner of the post of pegging graft, it is together to the inside of pull ring cover to drive buckle pole and buckle piece and remove, the buckle piece is at first supported by the terminal surface in the pull ring cover and is pressed, make buckle piece and buckle pole rotate to the inboard round axis of rotation, then buckle piece and buckle pole continue to move to the inside of pull ring cover, when the buckle groove of pull ring cover is reachd to the buckle piece, make the buckle piece support by the elasticity of elastomer and press the card to go into the buckle inslot, so realized pull ring cover and peg graft the post at the inside locking of bearing, then with both sides about another terminal surface of stop screw rod rotation butt, directly pull out pull ring cover this moment, can directly take out bearing and peg graft post together, the utility model discloses structural design is ingenious, and convenient to use.
3. The utility model discloses increased and moved back lever mechanism, moved back lever mechanism and be used for carrying out the structure dismantled with pull ring cover and grafting post after the bearing is dismantled out, through the rotatory actuating lever, the actuating lever drives the drive double-screw bolt and rotates, when drive double-screw bolt rotary motion, drives the sliding block through the joint pole and removes in the drive intracavity to sliding block pulling wire drawing, the wire drawing pulls out the buckle piece from buckle inslot rotation, thereby makes pull ring cover and grafting post realize the separation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the insertion column and the buckle mechanism entering the inner end of the pull ring sleeve.
Fig. 3 is a schematic structural view of the buckle block of the present invention being clamped into the buckle slot.
Fig. 4 is a schematic structural view of the middle-back rod mechanism pulling buckle block of the present invention.
Fig. 5 is a schematic structural view of the positioning mechanism of the outer end of the plug column of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a positioning type stern tube bearing dismounting device comprises a stern tube 1, a bearing 2, a drawing ring sleeve 3, a plug column 4, a buckling mechanism 5, a limiting mechanism 6 and a positioning mechanism 8; the bearing 2 is arranged inside the stern tube 1; the inner end of the drawing ring sleeve 3 is inserted into the bearing 2 from one end of the bearing 2; the inner end of the plug-in column 4 is inserted into the bearing 2 from the other end of the bearing 2; the upper side and the lower side of the inner end of the drawing ring sleeve 3 are respectively provided with a clamping groove 31; the buckling mechanism 5 comprises a buckling block 53, a buckling rod 52, a rotating shaft 51 and an elastic body 54; the upper side and the lower side of the inner end of the splicing column 4 are respectively provided with a rotating shaft 51; the rotating shafts 51 are respectively provided with a buckling rod 52 in a rotating way; the upper side and the lower side of the inner end of the splicing column 4 are respectively provided with an elastic body 54; one end of the elastic body 54 is arranged at the inner end of the plug column 4, and the other end is connected to the buckle rod 52; one end of the buckle rod 52 is rotatably connected to the rotating shaft 51, and the outer sides of the other ends are respectively provided with a buckle block 53; when the inner end of the insertion column 4 is inserted into the bearing 2, the clamping block 53 is driven to move along the inner side surface of the inner end of the drawing ring sleeve 3, and the clamping block 53 is clamped in the clamping groove 31 of the drawing ring sleeve 3; the limiting mechanism 6 comprises a connecting ring 61 and a limiting screw 62; the periphery of the outer end of the insertion column 4 is provided with a connecting ring 61; the upper side and the lower side of the connecting ring 61 are respectively provided with a threaded hole; a limit screw 62 is respectively installed in the threaded holes in a threaded manner; the limit screws 62 are respectively and rotatably abutted against the upper side and the lower side of the other end surface of the bearing 2. Under the condition of no external force, the elastic body 54 elastically connects the buckling rod 52 and keeps the buckling rod 52 and the plug column 4 connected in parallel in the axial direction, as shown in fig. 3, in the structure of the buckling rod 52 and the plug column 4 in the state of only the elastic body 54 elastically connecting. The positioning ring 36 is arranged around the outer end of the drawing ring sleeve 3; two positioning mechanisms 8 are arranged; the positioning ring 36 of the drawing ring sleeve 3 and the connecting ring 61 of the plug column 4 are both provided with a positioning mechanism 8; the positioning mechanism 8 comprises an arc-shaped limiting plate 82 and a telescopic screw 81; both sides of the connecting ring 61 and the positioning ring 36 are provided with thread channels; the thread passages are all in threaded connection with a telescopic screw 81; the outer ends of the telescopic screws 81 are rotatably clamped with one sides of the arc limiting plates 82 respectively; the other side of the arc limiting plate 82 is jointed and pressed on the outer side surface of the stern tube 1. The outer end of the telescopic screw 81 can be provided with a circular clamping tooth with a T-shaped cross section, and then one side of the clamping arc-shaped limiting plate 82 is provided with a circular clamping groove with a T-shaped cross section, so that the telescopic screw 81 is rotationally clamped with the T-shaped clamping groove of the clamping arc-shaped limiting plate 82 through the T-shaped clamping tooth.
As shown in fig. 1 to 5, it is further preferable that the axial length of the latching groove 31 is greater than the axial length of the latching piece 53, where the axial direction refers to the axial direction of the entire bearing 2, so as to facilitate the latching of the latching piece 53 in the latching groove 31 and leave a space for the latching piece 53 to disengage from the latching groove 31. Further, a rod withdrawing mechanism 7 is also included; the rod withdrawing mechanism 7 comprises a drawing wire 75, a sliding block 74, a clamping rod 73, a driving stud 72 and a driving rod 71; a driving 41 cavity is arranged in the middle of the inner end of the splicing column 4; the upper side and the lower side of the outside of the driving cavity 41 are respectively provided with a sliding groove 42; the periphery of the inner part of the cavity of the driving 41 is provided with a thread ring surface 43; the drive stud 72 is in threaded rotary connection with the threaded ring surface 43 of the drive chamber 41; one end of the clamping rod 73 is fixed at one end of the driving stud 72, and the other end of the clamping rod 73 rotates to clamp the sliding block 74; the upper side and the lower side of the sliding block 74 are respectively connected with the sliding groove 42 in a sliding way through sliding teeth 741; the upper side and the lower side of one end of the sliding block 74 are respectively connected with a wire drawing 75; one end of the wire drawing 75 is connected to the sliding block 74, and the other end is connected to the inner side of the buckling block 53; the other end of the driving stud 72 is provided with a driving rod 71; one end of the driving rod 71 is fixed at the other end of the driving stud 72, and the other end of the driving rod extends to the outer side of the outer end of the inserting column 4. Furthermore, the upper side and the lower side of one end of the sliding block 74 are respectively provided with a connecting plate 76; one end of the wire 75 is connected to the connecting plate 76. Further, an abutting inclined plane 531 is arranged on the outer side surface of the buckling block 53; the inner side of the periphery of one end of the drawing ring sleeve 3 is provided with a conical abutting ring surface 32. Furthermore, the outer ends of the pull-out ring sleeves 3 are respectively provided with a pull ring 33.
The utility model discloses all installed telescopic screw 81 in the outside of pull ring cover 3 and plug column 4, driven arc limiting plate 82 through telescopic screw 81's rotation and stretched out and drawn back and move to change the spacing of arc spacing 82 centre gripping, so can make the utility model be suitable for and do not need the stern pipe 1 of pipe diameter to fix a position, make pull ring cover 3 and plug column 4 can find the axle center fast, dock fast; the utility model designs a stern shaft bearing dismounting structure with ingenious structure, when the inner end of the inserting post 4 is inserted into the bearing 2, the buckle rod 52 and the buckle block 53 are driven to move towards the inner part of the drawing ring sleeve 3, the buckle block 52 is firstly pressed by the inner end surface of the drawing ring sleeve 3, so that the buckle block 53 and the buckle rod 52 rotate towards the inner side around the rotating shaft 51, then the buckle block 53 and the buckle rod 52 continue to move towards the inner part of the drawing ring sleeve 3, when the buckle block 53 reaches the buckle groove 31 of the drawing ring sleeve 3, the buckle block 53 is clamped into the buckle groove 31 by the elastic pressing of the elastic body 54, thus realizing the locking of the drawing ring sleeve 3 and the inserting post 4 in the bearing 2, then the limit screw 61 rotates and abuts on the upper side and the lower side of the other end surface of the bearing 2, at the moment, the drawing ring sleeve 3 is directly pulled out, the bearing 2 and the inserting post 4 can be directly taken out, the utility model discloses structural design is ingenious, and it is convenient to use. The utility model discloses increased and moved back lever mechanism 7, move back lever mechanism 7 and be used for carrying out the structure dismantled with pull ring cover 3 and grafting post 4 after bearing 2 dismantles out, through rotatory actuating lever 71, actuating lever 71 drives drive stud 72 and rotates, when drive stud 72 swivelling movement, drive sliding block 74 through joint pole 73 and remove in drive chamber 41, thereby sliding block 74 pulling wire drawing 75, wire drawing 75 pulls out buckle piece 53 from buckle groove 31 internal rotation, thereby make pull ring cover 3 and grafting post 4 realize the separation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A positioning type stern tube bearing dismounting device is characterized by comprising a stern tube, a bearing, a drawing ring sleeve, a plug column, a buckling mechanism, a limiting mechanism and a positioning mechanism; the bearing is arranged in the stern tube; the inner end of the drawing ring sleeve is inserted into the bearing from one end of the bearing; the inner end of the inserting column is inserted into the bearing from the other end of the bearing; the upper side and the lower side of the inner end of the drawing ring sleeve are respectively provided with a clamping groove; the buckling mechanism comprises a buckling block, a buckling rod, a rotating shaft and an elastic body; the upper side and the lower side of the inner end of the splicing column are respectively provided with a rotating shaft; the rotating shafts are respectively and rotatably provided with a buckle rod; the upper side and the lower side of the inner end of the splicing column are respectively provided with an elastic body; one end of the elastic body is arranged on the inner end of the insertion column, and the other end of the elastic body is connected to the buckling rod; one end of the buckling rod is rotatably connected to the rotating shaft, and buckling blocks are respectively arranged on the outer sides of the other ends of the buckling rod; when the inner end of the inserting column is inserted into the bearing, the clamping block is driven to move along the inner side surface of the inner end of the drawing ring sleeve, and the clamping block is clamped in the clamping groove of the drawing ring sleeve; the limiting mechanism comprises a connecting ring and a limiting screw rod; connecting rings are arranged around the outer ends of the inserting columns; the upper side and the lower side of the connecting ring are respectively provided with a threaded hole; a limit screw is respectively installed in the threaded holes in a threaded manner; the limiting screw rods are respectively and rotatably abutted against the upper side and the lower side of the other end face of the bearing; positioning rings are arranged around the outer ends of the drawing ring sleeves; two positioning mechanisms are arranged; the positioning ring of the drawing ring sleeve and the connecting ring of the inserting column are both provided with a positioning mechanism; the positioning mechanism comprises an arc limiting plate and a telescopic screw rod; both sides of the connecting ring and the positioning ring are provided with threaded channels; the thread passages are all in threaded connection with a telescopic screw rod; the outer end of the telescopic screw rod is rotatably clamped with one side of the arc limiting plate respectively; the other side of the arc limiting plate is attached to and pressed on the outer side surface of the stern tube.
2. The apparatus as claimed in claim 1, wherein the axial length of the snap groove is greater than the axial length of the snap block.
3. The locator stern tube bearing removal device of claim 2, further comprising a rod retracting mechanism; the rod withdrawing mechanism comprises a drawing wire, a sliding block, a clamping rod, a driving stud and a driving rod; a driving cavity is arranged in the middle of the inner end of the insertion column; the upper side and the lower side of the outer part of the driving cavity are respectively provided with a sliding groove; the periphery of the inside of the driving cavity is provided with a threaded ring surface; the driving stud is in threaded rotary connection with the threaded ring surface of the driving cavity; one end of the clamping rod is fixed at one end of the driving stud, and the other end of the clamping rod is rotatably clamped with the sliding block; the upper side and the lower side of the sliding block are respectively connected to the sliding groove in a sliding manner through sliding teeth; the upper side and the lower side of one end of the sliding block are respectively connected with a wire drawing; one end of the wire drawing is connected to the sliding block, and the other end of the wire drawing is connected to the inner side of the clamping block; the other end of the driving stud is provided with a driving rod; one end of the driving rod is fixed at the other end of the driving stud, and the other end of the driving rod extends to the outer side of the outer end of the inserting column.
4. The device for detaching the stern tube bearing as claimed in claim 3, wherein the sliding block has a connecting plate at each of upper and lower ends of one end thereof; one end of the wire drawing is connected to the connecting plate.
5. The positioning type stern tube bearing dismounting device as claimed in claim 1, wherein the outer side surface of the buckling block is provided with an abutting inclined surface; the inner side of the periphery of one end of the drawing ring sleeve is provided with a conical abutting ring surface.
6. The apparatus as claimed in claim 1, wherein the outer ends of the pull rings are each provided with a pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855209.0U CN211137009U (en) | 2019-10-31 | 2019-10-31 | Positioning type stern tube bearing dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921855209.0U CN211137009U (en) | 2019-10-31 | 2019-10-31 | Positioning type stern tube bearing dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211137009U true CN211137009U (en) | 2020-07-31 |
Family
ID=71769663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921855209.0U Expired - Fee Related CN211137009U (en) | 2019-10-31 | 2019-10-31 | Positioning type stern tube bearing dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211137009U (en) |
-
2019
- 2019-10-31 CN CN201921855209.0U patent/CN211137009U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 |