CN204004401U - Rig wireline pulley sealing configuration - Google Patents
Rig wireline pulley sealing configuration Download PDFInfo
- Publication number
- CN204004401U CN204004401U CN201420306096.XU CN201420306096U CN204004401U CN 204004401 U CN204004401 U CN 204004401U CN 201420306096 U CN201420306096 U CN 201420306096U CN 204004401 U CN204004401 U CN 204004401U
- Authority
- CN
- China
- Prior art keywords
- bearing
- pulley
- ball
- cover
- rig
- 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.)
- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
- Sealing Devices (AREA)
Abstract
The utility model discloses a kind of rig wireline pulley sealing configuration, the mandrel that comprises pulley and the described pulley of support, two bearings in the endoporus of this pulley, have been arranged side by side, described mandrel is through the endoporus of these two bearings, endoporus outside at described pulley is relatively set with two bearing (ball) covers, wherein, and between two bearings, be provided with seal ring between bearing and bearing (ball) cover, seal ring place near bearing (ball) cover, is also provided with O RunddichtringO between sealing ring and bearing (ball) cover.Adopt above structure, the pretightening force applying in the time of can utilizing bearing (ball) cover to install, O RunddichtringO and seal ring are remained and be close to state, effectively prevent that the impurity such as dust, rainwater from entering the fitting surface of pulley middle (center) bearing and mandrel, guarantee the reliable sealing of wireline pulley, extension device working life.
Description
Technical field
The utility model relates to a kind of rig, especially relates to a kind of sealing configuration of rig wireline pulley.
Background technique
Rig is as a kind of rock drilling machinery, because of its pore-forming quick, extensive application in construction foundation working.Conventionally, rig need to utilize the many groups wire rope being enclosed within on sheave block to realize pressurization and the enhancing action of unit head, be subject to job site environmetal impact, the operating conditions of sheave block is generally comparatively severe, the impurity such as dust, rainwater easily enters into the fitting surface of sheave block, increase the frictional force between sheave block inner bearing and mandrel, accelerate the wearing and tearing of internal bearings and mandrel, affect service life of equipment, increased the care and maintenance cost of rig, and existing sheave block sealing configuration is difficult to guarantee the reliable sealing of sheave block.
Model utility content
In view of this, the utility model provides a kind of novelty simple in structure, can guarantee the rig wireline pulley sealing configuration of pulley reliable sealing.
Its technological scheme is as follows:
A kind of rig wireline pulley sealing configuration, the mandrel that comprises pulley and the described pulley of support, two bearings in the endoporus of this pulley, have been arranged side by side, described mandrel is through the endoporus of these two bearings, endoporus outside at described pulley is relatively set with two bearing (ball) covers, wherein, and between two bearings, be provided with seal ring between bearing and bearing (ball) cover, seal ring place near bearing (ball) cover, is also provided with O RunddichtringO between sealing ring and bearing (ball) cover.Adopt above structure, by being arranged on seal ring between two bearings, can in sealing, complete spacing to two bearings, owing to being also provided with O RunddichtringO between seal ring and bearing (ball) cover, the pretightening force applying while utilizing bearing (ball) cover to install, O RunddichtringO and seal ring are remained and be close to state, in pulley both ends of the surface, form mechanical seal thus, can effectively prevent that the impurity such as dust, rainwater from entering the fitting surface of pulley middle (center) bearing and mandrel.
Described two bearing (ball) covers are provided with pockets in a relative side, and the described pockets degree of depth is less than the diameter of O RunddichtringO, and described O RunddichtringO one side falls into this pockets, opposite side and seal ring butt.Adopt above structure, can keep O RunddichtringO all the time in pockets, be unlikely to skid off, meanwhile, the pockets degree of depth is less than the diameter of O RunddichtringO, and O RunddichtringO can be fit together better with seal ring.
For guaranteeing enough radially bearing capacitys, described Selection of Bearings roller bearing.
Described bearing (ball) cover external diameter is greater than pulley diameter of bore, and this bearing (ball) cover and pulley are bolted.Adopt above structure, can easily bearing (ball) cover be arranged on pulley, and connect reliably, further improve sealing effect.
Beneficial effect: the rig wireline pulley sealing configuration that adopts above technological scheme, this novelty simple in structure, compactness, the pretightening force that the utility model applies in the time of can utilizing bearing (ball) cover to install, O RunddichtringO and seal ring are remained and be close to state, effectively prevent that the impurity such as dust, rainwater from entering the fitting surface of pulley middle (center) bearing and mandrel, guarantee the reliable sealing of wireline pulley, extension device working life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged diagram of A portion in Fig. 1.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
A kind of rig wireline pulley sealing configuration as shown in Figure 1, the mandrel 2 that comprises pulley 1 and the described pulley 1 of support, two bearings 3 in the endoporus of this pulley 1, have been arranged side by side, described bearing 3 is preferably roller bearing, described mandrel 2 is through the endoporus of these two bearings 3, endoporus outside at described pulley 1 is relatively set with two bearing (ball) covers 4, between two bearings 3 and between bearing 3 and bearing (ball) cover 4, be provided with seal ring 5, at seal ring 5 places near bearing (ball) cover 4, between sealing ring 5 and bearing (ball) cover 4, be also provided with O RunddichtringO 6, described O RunddichtringO 6 is made by rubber material.
In conjunction with Fig. 1 and Fig. 2, can find out, described two bearing (ball) covers 4 are provided with pockets 41 in a relative side, described pockets 41 degree of depth are less than the diameter of O RunddichtringO 6, and described O RunddichtringO 6 one sides fall into this pockets 41, opposite side and seal ring 5 butts.
Referring to Fig. 1, described bearing (ball) cover 4 external diameters are greater than pulley 1 diameter of bore, on this bearing (ball) cover 4, have through hole, counterbore is correspondingly set on pulley 1, bolt 7 passes the through hole on bearing (ball) cover 4 and stretches in the counterbore of pulley 1, bearing (ball) cover 4 is fixed on pulley 1, with the spacing of complete matched bearings 3 and sealing.
It should be noted that, above embodiment is only in order to technical solutions of the utility model to be described but not restriction technologies scheme, although claimant is explained in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, the modification that those carry out technical solutions of the utility model or be equal to replacement, aim and the scope that can not depart from the technical program, all should be encompassed in the middle of the utility model claim scope.
Claims (4)
1. a rig wireline pulley sealing configuration, the mandrel (2) that comprises pulley (1) and the described pulley of support (1), two bearings (3) in the endoporus of this pulley (1), have been arranged side by side, described mandrel (2) is through the endoporus of these two bearings (3), endoporus outside at described pulley (1) is relatively set with two bearing (ball) covers (4), it is characterized in that: between two bearings (3), between bearing (3) and bearing (ball) cover (4), be provided with seal ring (5), at the seal ring (5) near bearing (ball) cover (4), locate, between sealing ring (5) and bearing (ball) cover (4), be also provided with O RunddichtringO (6).
2. rig wireline pulley sealing configuration according to claim 1, it is characterized in that: described two bearing (ball) covers (4) are provided with pockets (41) in a relative side, described pockets (41) degree of depth is less than the diameter of O RunddichtringO (6), described O RunddichtringO (6) one sides fall into this pockets (41), opposite side and seal ring (5) butt.
3. rig wireline pulley sealing configuration according to claim 2, is characterized in that: described bearing (3) is roller bearing.
4. according to the rig wireline pulley sealing configuration described in claim 1 or 2 or 3, it is characterized in that: described bearing (ball) cover (4) external diameter is greater than pulley (1) diameter of bore, this bearing (ball) cover (4) is connected by bolt (7) with pulley (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306096.XU CN204004401U (en) | 2014-06-10 | 2014-06-10 | Rig wireline pulley sealing configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306096.XU CN204004401U (en) | 2014-06-10 | 2014-06-10 | Rig wireline pulley sealing configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004401U true CN204004401U (en) | 2014-12-10 |
Family
ID=52044404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420306096.XU Expired - Fee Related CN204004401U (en) | 2014-06-10 | 2014-06-10 | Rig wireline pulley sealing configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004401U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299275A (en) * | 2015-11-03 | 2016-02-03 | 罗浮阀门集团有限公司 | Spring type safety valve |
| CN105972170A (en) * | 2016-06-13 | 2016-09-28 | 北京理工大学 | Rope-driven pulley of rope-driven exoskeleton mechanical arm |
| CN107387734A (en) * | 2017-06-29 | 2017-11-24 | 武汉船用机械有限责任公司 | A kind of pulley assembly |
-
2014
- 2014-06-10 CN CN201420306096.XU patent/CN204004401U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299275A (en) * | 2015-11-03 | 2016-02-03 | 罗浮阀门集团有限公司 | Spring type safety valve |
| CN105972170A (en) * | 2016-06-13 | 2016-09-28 | 北京理工大学 | Rope-driven pulley of rope-driven exoskeleton mechanical arm |
| CN105972170B (en) * | 2016-06-13 | 2019-10-29 | 北京理工大学 | A kind of rope drive pulley of rope driving ectoskeleton mechanical arm |
| CN107387734A (en) * | 2017-06-29 | 2017-11-24 | 武汉船用机械有限责任公司 | A kind of pulley assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180610 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |