CN215510812U - Convenient bearing dismounting mechanism for steering shaft in drilling machine - Google Patents
Convenient bearing dismounting mechanism for steering shaft in drilling machine Download PDFInfo
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- CN215510812U CN215510812U CN202121362910.6U CN202121362910U CN215510812U CN 215510812 U CN215510812 U CN 215510812U CN 202121362910 U CN202121362910 U CN 202121362910U CN 215510812 U CN215510812 U CN 215510812U
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- support plate
- steering shaft
- drilling machine
- slot
- bearing
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Abstract
The utility model provides a convenient bearing dismounting mechanism for a steering shaft in a drilling machine, which comprises a support plate and a pressure rod which is arranged in the middle of one surface of the support plate and used for supporting the steering shaft, wherein one side surface of the support plate is provided with a slot which is arranged along the length direction of the support plate, two inserting plates are inserted in the slot, the inserting plates are fixed in the slot through clamping bolts, one end of each inserting plate, which is far away from the slot, is fixedly connected with a support plate, a hydraulic cylinder which is arranged along the length direction of the pressure rod is arranged on the support plate, and the movable end of the hydraulic cylinder is fixedly connected with a clamping part which is used for clamping a bearing, compared with the prior art, the convenient bearing dismounting mechanism has the following beneficial effects: the hydraulic disassembly is realized, the operation difficulty is low, and the labor intensity is low.
Description
Technical Field
The utility model discloses a convenient bearing dismounting mechanism for a steering shaft in a drilling machine, and belongs to the technical field of steering shafts.
Background
The steering shaft is one of the common parts in the drilling machine, the steering shaft is connected with a support carrier thereof by a bearing, and the steering shaft and the bearing need to be separated when the steering shaft is repaired and replaced.
Chinese utility model patent publication No. CN212351823U discloses a bearing dismounting device for steering shaft, which describes: the through-hole has been seted up to the support, and the ejector pin passes through-hole and steering spindle butt act on the ejector pin through modes such as strike, spiral for the ejector pin drives the bearing that the steering spindle lived for support, locking Assembly and locking and makes relative motion, pulls out the bearing to the ejector pin direction, reaches the purpose of dismantling the bearing, and the weak point that it exists is: the disassembling device is disassembled in a knocking mode, so that the operation difficulty is high, uncertain factors exist, other parts are easily damaged, the disassembling device is disassembled in a spiral mode, great labor is needed for manual cost, and the labor intensity is high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a convenient bearing dismounting mechanism for a steering shaft in a drilling machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a just disassembly body of bearing for steering spindle in rig, includes the extension board and installs the depression bar that is used for supporting the steering spindle in extension board one side middle part position, the slot of arranging along extension board length direction is seted up to extension board a side, it has two picture pegs to ann insert in the slot, the picture peg passes through clamping bolt to be fixed in the slot, the one end fixedly connected with support plate of slot is kept away from to the picture peg, install the pneumatic cylinder of arranging along depression bar length direction on the support plate, pneumatic cylinder expansion end fixedly connected with is used for the clamping part of centre gripping bearing.
Furthermore, an arc-shaped groove matched with the steering shaft is processed on one surface, facing the steering shaft, of the clamping portion, and the rectangular structure of the clamping portion is formed.
Furthermore, the support plate upper surface is provided with a support rod arranged along the length direction of the hydraulic cylinder, the support rod is provided with two round holes, and a traction rope for limiting the position of an oil pipe on the hydraulic cylinder is tied in the round holes.
Furthermore, the outer surface of the lower end of the supporting rod is provided with an external thread, the lower end of the supporting rod (9) is connected with an internal thread sleeve in a threaded manner, and the internal thread sleeve is fixedly connected with the support plate.
Furthermore, two threaded holes communicated with the slots are symmetrically formed in the upper surface of the support plate, and the clamping bolt is in threaded connection with the threaded holes.
Further, the lower end of the pressing rod is fixedly connected with a disc, and the disc and the pressing rod are of an integrally formed structure.
Furthermore, a through hole is formed in the position of the support plate where the hydraulic cylinder is installed, and the cylinder body end of the hydraulic cylinder is fixed in the through hole.
The utility model has the beneficial effects that:
1. the control pneumatic cylinder extension or shrink makes the equal centre gripping of clamping part on two pneumatic cylinders locate at the epaxial bearing of steering to make the depression bar support the tip of steering spindle, then the shrink of control pneumatic cylinder reaches the purpose of dismantling the bearing, compares and strikes, spiral dismantlement, and the operation degree of difficulty is little, low in labor strength.
2. The position of the inserting plate in the slot is adjusted, so that the distance between the two hydraulic cylinders is increased or decreased, the distance between the two clamping parts is conveniently adjusted according to the size of the steering shaft, and the application range is expanded.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a mechanism for conveniently disassembling a bearing for a steering shaft in a drilling machine according to the utility model;
FIG. 2 is a cross-sectional view of a support plate in the easy-to-dismount bearing mechanism for a steering shaft in a drilling machine according to the present invention;
FIG. 3 is a perspective view of a clamping portion of a convenient-to-dismount bearing mechanism for a steering shaft in a drilling machine according to the present invention;
in the figure: the clamping device comprises a support plate 1, a clamping bolt 2, a compression column 3, a disc 4, a plug board 5, an internal thread sleeve 6, a support plate 7, a hydraulic cylinder 8, a support rod 9, a traction rope 10, a clamping part 11, a slot 12, a threaded hole 13 and an arc-shaped groove 14.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a bearing just dismantlement mechanism for steering spindle in rig, including extension board 1 with install the depression bar 3 that is used for supporting the steering spindle at 1 one side middle part position of extension board, the slot 12 of arranging along 1 length direction of extension board is seted up to 1 side of extension board, it has two picture peg 5 to place in the slot 12, picture peg 5 is fixed in slot 12 through clamping bolt 2, the one end fixedly connected with support plate 7 of slot 12 is kept away from to picture peg 5, adjust the position of picture peg 5 in slot 12, and then the interval grow or diminish of two pneumatic cylinders 8, be convenient for adjust the interval of two clamping parts 11 according to the size of steering spindle, and the application scope is enlarged.
Two threaded holes 13 communicated with the slot 12 are symmetrically formed in the upper surface of the support plate 1, the clamping bolt 2 is in threaded connection with the threaded holes 13, and the clamping bolt 2 is screwed into the threaded holes 13 to achieve threaded connection between the clamping bolt 2 and the support plate 1.
Install the pneumatic cylinder 8 of arranging along 3 length direction of depression bar on the support plate 7, 8 swing end fixedly connected with of pneumatic cylinder are used for the clamping part 11 of centre gripping bearing, 8 extension or shrink of control pneumatic cylinder make the equal centre gripping of clamping part 11 on two pneumatic cylinders 8 in the epaxial bearing department of steering to make depression bar 3 support the tip of steering spindle, then 8 shrink of control pneumatic cylinder, reach the purpose of dismantling the bearing, compare and strike, the spiral is dismantled, the operation degree of difficulty is little, low in labor strength.
The one side processing of clamping part 11 towards the steering spindle has with steering spindle complex arc wall 14, 11 rectangular column structures in clamping part, sets up arc wall 14 on clamping part 11, the clamping part 11 card of being convenient for is on the steering spindle.
The upper surface of the support plate 7 is provided with a support rod 9 arranged along the length direction of the hydraulic cylinder 8, two round holes are formed in the support rod 9, a traction rope 10 used for limiting the position of an oil pipe on the hydraulic cylinder 8 is tied in the round holes, the traction rope 10 is tied on an oil supply pipeline connected to the hydraulic cylinder 8, and therefore the oil supply pipeline is prevented from being thrown randomly when the oil supply pipeline is disconnected, and safety is improved.
The outer surface of the lower end of the supporting rod 9 is provided with external threads, the lower end of the supporting rod 9 is connected with an internal thread sleeve 6 in a threaded manner, the internal thread sleeve 6 is fixedly connected with the support plate 7, and the lower end of the supporting rod 9 is screwed into the internal thread sleeve 6, so that the supporting rod 9 and the support plate 7 can be conveniently disassembled.
The lower end of the pressure rod 3 is fixedly connected with a disc 4, the disc 4 and the pressure rod 3 are of an integrally formed structure, and the disc 4 is designed to enlarge the contact range of the pressure rod 3 and the end part of the steering shaft.
A through hole is formed in the position, where the hydraulic cylinder 8 is installed, of the support plate 7, the cylinder body end of the hydraulic cylinder 8 is fixed in the through hole, and the through hole provides installation space for the hydraulic cylinder 8.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a just disassembly body of bearing for steering spindle in rig, includes extension board (1) and installs and be used for supporting depression bar (3) of steering spindle in extension board (1) one side middle part position, its characterized in that: support board (1) one side is seted up along slot (12) that support board (1) length direction arranged, it has two picture peg (5) to ann insert in slot (12), picture peg (5) are fixed in slot (12) through clamping bolt (2), the one end fixedly connected with support plate (7) of slot (12) are kept away from in picture peg (5), install on support plate (7) along pneumatic cylinder (8) that depression bar (3) length direction arranged, pneumatic cylinder (8) movable end fixedly connected with is used for clamping bearing clamping part (11).
2. The bearing easy-to-dismount mechanism for the steering shaft in the drilling machine as claimed in claim 1, wherein: the clamping part (11) is provided with an arc-shaped groove (14) matched with the steering shaft on one surface facing the steering shaft, and the clamping part (11) is in a rectangular structure.
3. The bearing easy-to-dismount mechanism for the steering shaft in the drilling machine as claimed in claim 1, wherein: support plate (7) upper surface mounting has branch (9) of arranging along pneumatic cylinder (8) length direction, two round holes have been seted up on branch (9), round hole inner bolt is tied to have and is used for restricting oil pipe position's tractive rope (10) on pneumatic cylinder (8).
4. The bearing easy-to-dismount mechanism for the steering shaft in the drilling machine as claimed in claim 3, wherein: the outer surface of the lower end of the supporting rod (9) is provided with an external thread, the lower end of the supporting rod (9) is connected with an internal thread sleeve (6) in a threaded manner, and the internal thread sleeve (6) is fixedly connected with the support plate (7).
5. The bearing easy-to-dismount mechanism for the steering shaft in the drilling machine as claimed in claim 1, wherein: two threaded holes (13) communicated with the slots (12) are symmetrically formed in the upper surface of the support plate (1), and the clamping bolt (2) is in threaded connection with the threaded holes (13).
6. The bearing easy-to-dismount mechanism for the steering shaft in the drilling machine as claimed in claim 1, wherein: the lower end of the pressing rod (3) is fixedly connected with a disc (4), and the disc (4) and the pressing rod (3) are of an integrally formed structure.
7. The bearing easy-to-dismount mechanism for the steering shaft in the drilling machine as claimed in claim 1, wherein: a through hole is formed in the position, where the hydraulic cylinder (8) is installed, of the support plate (7), and the cylinder body end of the hydraulic cylinder (8) is fixed in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121362910.6U CN215510812U (en) | 2021-06-19 | 2021-06-19 | Convenient bearing dismounting mechanism for steering shaft in drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121362910.6U CN215510812U (en) | 2021-06-19 | 2021-06-19 | Convenient bearing dismounting mechanism for steering shaft in drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215510812U true CN215510812U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121362910.6U Active CN215510812U (en) | 2021-06-19 | 2021-06-19 | Convenient bearing dismounting mechanism for steering shaft in drilling machine |
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| CN (1) | CN215510812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383440A (en) * | 2022-09-06 | 2022-11-25 | 哈尔滨安宇迪航空工业有限公司 | Drawing device |
-
2021
- 2021-06-19 CN CN202121362910.6U patent/CN215510812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383440A (en) * | 2022-09-06 | 2022-11-25 | 哈尔滨安宇迪航空工业有限公司 | Drawing device |
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