CN211623972U - Lubrication structure of rotary drilling rig power head slewing bearing - Google Patents
Lubrication structure of rotary drilling rig power head slewing bearing Download PDFInfo
- Publication number
- CN211623972U CN211623972U CN202020118250.6U CN202020118250U CN211623972U CN 211623972 U CN211623972 U CN 211623972U CN 202020118250 U CN202020118250 U CN 202020118250U CN 211623972 U CN211623972 U CN 211623972U
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- China
- Prior art keywords
- oil storage
- storage hole
- outer lane
- rubber pad
- oil
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- 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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- 238000005461 lubrication Methods 0.000 title claims description 12
- 238000005553 drilling Methods 0.000 title claims description 10
- 238000003860 storage Methods 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000001050 lubricating effect Effects 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 76
- 239000010687 lubricating oil Substances 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 8
- 244000309464 bull Species 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 3
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 5
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model discloses a dig rig unit head slewing bearing's lubricating structure soon relates to slewing bearing technical field, reaches the purpose of mending oil to the steel ball, and its technical scheme main points are: including inner circle and outer lane, outer lane cover establishes including circling, the roll is provided with the steel ball between inner circle and the outer lane, the oil storage hole has been seted up on the outer lane, the one end of oil storage hole extends to the outer lane up end of circling, and the other end is equipped with the opening that extends to the steel ball, be equipped with the rubber pad that seals the oil storage hole on the outer lane, the rubber pad is close to the opening and distributes, seted up the oil outlet on the rubber pad, when the rubber pad is in natural state, the oil outlet is because the rubber pad is in the closed state, the outer lane is equipped with the extruded article that gets into the opening with the downthehole lubricating.
Description
Technical Field
The utility model relates to a slewing bearing technical field, more specifically say, it relates to a dig rig unit head slewing bearing's lubricating structure soon.
Background
The slewing bearing is called as a turntable bearing, mainly a bearing which performs relative slewing motion between two objects and is an important transmission part required by machinery which simultaneously bears axial force, radial force and tilting moment, compared with other bearings, the slewing bearing has larger volume and stronger load bearing capacity, so that the slewing bearing is widely applied in the real industry, and the slewing bearing is applied to the fields such as the field of medical machinery, the field of ship equipment, the field of metallurgical machinery, industrial machinery and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dig rig unit head slewing bearing's lubricating structure soon reaches the purpose of mending oil to the steel ball.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a dig rig unit head slewing bearing's lubricating structure soon, includes inner circle and outer lane, circle including the outer lane cover is established, the roll is provided with the steel ball between inner circle and the outer lane, the oil storage hole has been seted up on the outer lane, the one end of oil storage hole extends to outer lane up end, and the other end is equipped with the opening that extends to the steel ball, be equipped with the rubber pad of closed oil storage hole on the outer lane, the rubber pad is close to the opening and distributes, the oil outlet has been seted up on the rubber pad, when the rubber pad is in natural state, the oil outlet is because the rubber pad is in the closed state, the outer lane is equipped with the extruded article that gets into the opening in the.
Through adopting above-mentioned technical scheme, when needs let in lubricating oil toward steel ball and outer lane and inner circle contact position, the extruded article forces the lubricating oil extrusion to open the oilhole, and it is downthehole that lubricating oil of being convenient for passes through the rubber pad entering circulation, and then flows to the steel ball through the circulation hole, and the lubrication of the steel ball of being convenient for, when not needing lubricating oil, the oil outlet seals, and it is downthehole that the oil storage of the circulation hole one side is kept away from to the rubber pad to be convenient for lubricating oil storage, reaches the purpose.
Preferably: the extruded piece is including sliding the slider of connection in the oil storage hole, the slider overcoat is equipped with the rubber sleeve of contradicting with the oil storage hole pore wall.
Preferably: the slider upper end is equipped with the push rod, be equipped with the indicator that shows the slider and remove distance in the oil storage hole on the push rod.
Preferably: the indicating part includes that one end threaded connection is at the horizontal plate of push rod outer wall, be equipped with the bull stick that extends to the oil storage hole drill way on the horizontal plate, the outer lane be equipped with the endocentric annular shifting chute of oil storage hole at the oil storage hole periphery, the one end rotation that the horizontal plate was kept away from to the bull stick is connected in the shifting chute, be equipped with the locating part that the restriction bull stick upwards shifted out the shifting chute on the outer lane, the outer lane is equipped with the scale mark at the drill way periphery of oil storage hole.
Preferably: the limiting part comprises a threaded rod arranged in a moving groove of the rotating rod, an elliptical moving block matched with the moving groove is arranged at the lower end of the threaded rod, a limiting groove for the moving block to enter from the edge with the larger diameter is formed in the wall of the moving groove, the limiting groove is distributed along the moving groove, a first thread and a second thread which are in threaded connection with the moving block are arranged on the part, located at the lower end of the rotating rod, of the threaded rod, and the threaded rod is a polished rod between the first thread and the second thread.
Preferably: and the outer wall of the outer ring is provided with an oil inlet hole communicated with the oil storage hole at the upper end of the oil storage hole.
Preferably: one end of the oil storage hole, which is close to the circulating hole, is set to be horizontal, and the rubber pad is arranged at the horizontal position of the oil storage hole.
To sum up, the utility model discloses following beneficial effect has: when need let in lubricating oil toward steel ball and outer lane and inner circle contact position, the extruded article forces lubricating oil extrusion to open the oil outlet, and in the lubricating oil of being convenient for got into the circulation hole through the rubber pad, and then flowed the steel ball through the circulation hole, the lubrication of the steel ball of being convenient for, when not needing lubricating oil, the oil outlet seals, and the lubricating oil of being convenient for is stored in the rubber pad and is kept away from the oil storage hole of circulation hole one side, reaches the purpose of mending the oil to the steel ball.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic structural view of the present embodiment for embodying the reserve hole.
In the figure: 1. an inner ring; 11. an outer ring; 12. a steel ball; 13. an oil storage hole; 131. a flow-through hole; 132. a rubber pad; 133. a slider; 134. a rubber sleeve; 135. a push rod; 136. a horizontal plate; 137. a rotating rod; 138. a moving groove; 139. scale lines; 14. a threaded rod; 141. a moving block; 142. a limiting groove; 143. a first thread; 144. a second thread; 145. a polish rod; 15. an oil inlet hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A lubricating structure of a rotary drilling rig power head slewing bearing comprises an inner ring 1 and an outer ring 11, wherein the outer ring 11 is sleeved on the inner ring 1, steel balls 12 (shown in figure 3) are arranged between the inner ring 1 and the outer ring 11 in a rolling mode, as shown in figures 2 and 3, an oil storage hole 13 is formed in the outer ring 11, one end of the oil storage hole 13 extends to the upper end face of the outer ring 11, a circulation hole 131 extending to the steel balls 12 is formed in the other end of the oil storage hole, a rubber pad 132 for sealing the oil storage hole 13 is arranged on the outer ring 11, the rubber pad 132 is close to the circulation hole 131 and is distributed, the circulation hole 131 is isolated from the oil storage hole 13 by the rubber pad 132 at the moment, an oil outlet is formed in the rubber pad 132, when the rubber pad 132 is in a natural state, namely, lubricating oil is arranged at the upper end of the rubber pad 132, but when the lubricating oil is not extruded by pressure to flow towards the direction of the rubber pad 132.
As shown in fig. 2 and 3, when lubricant is required to be introduced to the contact positions of the steel ball 12, the outer ring 11 and the inner ring 1, the extrusion piece forces the lubricant to extrude out of the oil hole, so that the lubricant can conveniently enter the flow hole 131 through the rubber pad 132 and then flow to the steel ball 12 through the flow hole 131, so that the steel ball 12 can be lubricated conveniently, when the lubricant is not required, the oil hole is closed, the lubricant can be conveniently stored in the oil storage hole 13 on the side of the rubber pad 132 away from the flow hole 131, and the purpose of supplementing the lubricant to the steel ball 12 is achieved.
As shown in fig. 2 and 3, the oil outlet hole of the rubber pad 132 is less affected by the weight of the lubricating oil when the oil storage hole 13 is set to be horizontal at the end close to the flow hole 131 and the rubber pad 132 is set to be horizontal at the oil storage hole 13.
As shown in fig. 2 and 3, the extrusion member includes a slider 133 slidably connected in the oil storage hole 13, and a rubber sleeve 134 abutting against the wall of the oil storage hole 13 is sleeved outside the slider 133. Rubber sleeve 134 is connected with the pore wall of oil storage hole 13 tightly, when need let in lubricating oil in steel ball 12, to oil outlet direction removal slider 133, the extrusion force to lubricating oil production of slider 133 lower extreme forces the lubricating oil extrusion to open the oilhole this moment, in the lubricating oil of being convenient for gets into circulation hole 131 through rubber pad 132, and then flows to steel ball 12 through circulation hole 131, the lubrication of steel ball 12 of being convenient for, rubber sleeve 134 reduces lubricating oil and gets into slider 133 upper end, convenient operation.
As shown in fig. 2 and 3, in order to facilitate the movement of the slider 133 in the oil storage hole 13, a push rod 135 is provided at the upper end of the slider 133, and an indicator for indicating the movement distance of the slider 133 in the oil storage hole 13 is provided on the push rod 135. The push rod 135 facilitates the user to push the slider 133. The indicator is provided to allow the user to adjust the distance of movement of the slider 133 to control the amount of lubricant that enters the flow opening 131.
Referring to fig. 2 and 3, the indicator includes a horizontal plate 136 having one end screwed to the outer wall of the push rod 135, a rotating rod 137 extending to the opening of the oil storage hole 13 is provided on the horizontal plate 136, the outer ring 11 is provided with an annular moving groove 138 concentric with the oil storage hole 13 at the periphery of the oil storage hole 13, one end of the rotating rod 137 remote from the horizontal plate 136 is rotatably connected in the moving groove 138, a stopper for limiting the upward movement of the rotating rod 137 out of the moving groove 138 is provided on the outer ring 11, because the limit piece is arranged, when the push rod 135 moves up and down in the oil storage hole 13, the horizontal plate 136 rotates, thereby driving the rotating rod 137 to rotate in the moving groove 138, when the rotating rod 137 rotates, the outer ring 11 is provided with scale marks 139 on the periphery of the opening of the oil storage hole 13, at this time, the rotating range of the rotating rod 137 can be measured by the scale marks 139, the user controls the amount of the lubricant entering the circulation hole 131 according to the rotation of the rotation rod 137 corresponding to the rotated scale 139.
As shown in fig. 2 and 3, the limiting member includes a threaded rod 14 disposed on the rotating rod 137 and located in the moving groove 138, an elliptical moving block 141 matched with the moving groove 138 is disposed at the lower end of the threaded rod 14, a limiting groove 142 for allowing the edge with the larger diameter of the moving block 141 to enter is disposed on the groove wall of the moving groove 138, the limiting grooves 142 are distributed along the moving groove 138, a first thread 143 and a second thread 144 which are in threaded connection with the moving block 141 are disposed at the portion of the threaded rod 14 located at the lower end of the rotating rod 137, the first thread 143 is disposed near the bottom of the moving groove 138, and a polished rod 145 is disposed between the first thread 143 and the second thread 144 of the threaded. When the rotating rod 137 just enters the moving groove 138, the moving block 141 is connected with the first threads 143, the edge with the smaller diameter of the moving block 141 is connected with the moving groove 138 in a sliding mode, the threaded rod 14 is rotated at the moment, the moving block 141 is located on the polished rod 145 portion between the first threads 143 and the second threads 144, the user rotates the moving block 141 at the moment, the edge with the larger diameter of the moving block 141 enters the limiting groove 142, the threaded rod 14 continues to be rotated, the second threads 144 on the threaded rod 14 are connected with the moving block 141 in a threaded mode, the larger edge of the moving block 141 is limited in the limiting groove 142 at the moment, the moving block 141 is limited from moving out of the moving groove 138, and the rotating rod 137 is limited from moving towards the direction far away.
As shown in fig. 2 and 3, when the lubricant oil in the oil storage hole 13 is used up, the outer wall of the outer ring 11 is provided with an oil inlet hole 15 at the upper end of the oil storage hole 13, which is communicated with the oil storage hole 13. At this time, the sliding block 133 moves to the upper end of the oil inlet 15, so that the oil inlet 15 can introduce the lubricating oil into the oil storage hole 13 through an external oil pipe.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a rotary drilling rig unit head slewing bearing's lubricating structure, includes inner circle (1) and outer lane (11), outer lane (11) cover is established on inner circle (1), it is provided with steel ball (12) to roll between inner circle (1) and outer lane (11), a serial communication port, oil storage hole (13) have been seted up on outer lane (11), the one end of oil storage hole (13) extends to outer lane (11) up end, and the other end is equipped with circulation hole (131) that extend to steel ball (12), be equipped with rubber pad (132) that seal oil storage hole (13) on outer lane (11), rubber pad (132) are close to circulation hole (131) and distribute, the oil outlet has been seted up on rubber pad (132), and when rubber pad (132) are in natural state, the oil outlet is in because rubber pad (132) are in the closure state, outer lane (11) are equipped with in oil storage hole (13) and get into circulation hole (131) with the extrusion of the lubricating oil in rubber pad (132) upper An inner extrusion.
2. The lubrication structure of the rotary drilling rig power head slewing bearing according to claim 1, which is characterized in that: the extruded piece is including sliding slider (133) of connection in oil storage hole (13), slider (133) overcoat is equipped with rubber sleeve (134) of contradicting with oil storage hole (13) pore wall.
3. The lubrication structure of the rotary drilling rig power head slewing bearing according to claim 2, characterized in that: the slider (133) upper end is equipped with push rod (135), be equipped with the indicator that shows slider (133) and move the distance in oil storage hole (13) on push rod (135).
4. The lubrication structure of the rotary drilling rig power head slewing bearing according to claim 3, characterized in that: the indicator includes horizontal plate (136) of one end threaded connection at push rod (135) outer wall, be equipped with bull stick (137) that extend to oil storage hole (13) drill way on horizontal plate (136), outer lane (11) are equipped with at oil storage hole (13) periphery with concentric annular shifting chute (138) of oil storage hole (13), the one end rotation connection of keeping away from horizontal plate (136) in shifting chute (138) is rotated in bull stick (137), be equipped with the locating part that restriction bull stick (137) upwards shifted out shifting chute (138) on outer lane (11), outer lane (11) are equipped with scale mark (139) at the drill way periphery of oil storage hole (13).
5. The lubrication structure of the rotary drilling rig power head slewing bearing according to claim 4, wherein the lubrication structure comprises: the limiting part comprises a threaded rod (14) arranged on a rotating rod (137) and located in a moving groove (138), an elliptical moving block (141) matched with the moving groove (138) is arranged at the lower end of the threaded rod (14), a limiting groove (142) for the moving block (141) to enter from the edge with the larger diameter is formed in the wall of the moving groove (138), the limiting groove (142) is distributed along the moving groove (138), a first thread (143) and a second thread (144) which are in threaded connection with the moving block (141) are arranged on the portion, located at the lower end of the rotating rod (137), of the threaded rod (14), and a polished rod (145) is arranged between the first thread (143) and the second thread (144).
6. The lubrication structure of the rotary drilling rig power head slewing bearing according to claim 1, which is characterized in that: and an oil inlet hole (15) communicated with the oil storage hole (13) is formed in the outer wall of the outer ring (11) at the upper end of the oil storage hole (13).
7. The lubrication structure of the rotary drilling rig power head slewing bearing according to claim 1, which is characterized in that: one end of the oil storage hole (13) close to the circulating hole (131) is horizontal, and the rubber pad (132) is arranged at the horizontal position of the oil storage hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118250.6U CN211623972U (en) | 2020-01-18 | 2020-01-18 | Lubrication structure of rotary drilling rig power head slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118250.6U CN211623972U (en) | 2020-01-18 | 2020-01-18 | Lubrication structure of rotary drilling rig power head slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211623972U true CN211623972U (en) | 2020-10-02 |
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ID=72639089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020118250.6U Expired - Fee Related CN211623972U (en) | 2020-01-18 | 2020-01-18 | Lubrication structure of rotary drilling rig power head slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211623972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061745A (en) * | 2021-11-16 | 2022-02-18 | 徐州健川机械制造有限公司 | Slewing bearing debugging mechanism |
-
2020
- 2020-01-18 CN CN202020118250.6U patent/CN211623972U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061745A (en) * | 2021-11-16 | 2022-02-18 | 徐州健川机械制造有限公司 | Slewing bearing debugging mechanism |
| CN114061745B (en) * | 2021-11-16 | 2022-10-21 | 徐州健川机械制造有限公司 | Slewing bearing debugging mechanism |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 |
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| CF01 | Termination of patent right due to non-payment of annual fee |