CN204492686U - The helicoid hydraulic motor side of using universal-joint - Google Patents
The helicoid hydraulic motor side of using universal-joint Download PDFInfo
- Publication number
- CN204492686U CN204492686U CN201520193473.8U CN201520193473U CN204492686U CN 204492686 U CN204492686 U CN 204492686U CN 201520193473 U CN201520193473 U CN 201520193473U CN 204492686 U CN204492686 U CN 204492686U
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- China
- Prior art keywords
- joint
- connecting rod
- intermediate connecting
- hydraulic motor
- universal
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of helicoid hydraulic motor side of using universal-joint, comprise intermediate connecting rod and two joints being positioned at described intermediate connecting rod two ends, one end that described joint is connected with described intermediate connecting rod is a cross recess, and be arc-shaped transition between adjacent translot and vertical slot, it is protruding that the two ends of described intermediate connecting rod are the cross matched with described cross recess, described cross projection and shown cross recess are engaged in transmitting torque between described intermediate connecting rod and described joint, and described cross is protruding and leave default gap between described cross recess, described joint is enable to swing 1.5 ° relative to described intermediate connecting rod.Helicoid hydraulic motor in the utility model with square universal-joint structure is simple, service time is long, and is convenient to laid-up.
Description
Technical field
The utility model relates to oil drilling equipment field, in particular to a kind of helicoid hydraulic motor side of using universal-joint.
Background technology
Universal joint is one of accessory of helicoid hydraulic motor, and helicoid hydraulic motor is being gone into the well in the course of work, and universal joint mainly bears the irregular rotation of rotor and communicates the huge moment of torsion of rotor, so universal joint belongs to the main rapid wear accessory in helicoid hydraulic motor.At present, the form of universal joint has 3 kinds, is petal type, titanium alloy and ball-joint universal joint respectively, petal type is short for service time, titanium alloy is uncontrollable for service time, and ball-joint service time is unstable, and the use of three does not all reach the effect synchronous with helicoid hydraulic motor service time.
Utility model content
Technical problem to be solved in the utility model is, provides that a kind of structure is simple, service time is long, and is convenient to the universal joint of laid-up.
Therefore, the technical solution of the utility model is as follows:
A kind of helicoid hydraulic motor side of using universal-joint, comprise intermediate connecting rod and two joints being positioned at described intermediate connecting rod two ends, one end that described joint is connected with described intermediate connecting rod is a cross recess, and be arc-shaped transition between adjacent translot and vertical slot, it is protruding that the two ends of described intermediate connecting rod are the cross matched with described cross recess, described cross projection and shown cross recess are engaged in transmitting torque between described intermediate connecting rod and described joint, and described cross is protruding and leave default gap between described cross recess, described joint is enable to swing 1.5 ° relative to described intermediate connecting rod.
Wherein, described default gap is specifically as follows: each of described cross projection is 2 ~ 3mm with the spacing between each in corresponding described cross recess.
The utility model adopts the square connecting-type universal joint of cross recess and male cooperation, when not affecting helicoid hydraulic motor and normally working, effectively can extend the service time of universal joint, thus reaches the object extending helicoid hydraulic motor complete machine service time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the square universal-joint of helicoid hydraulic motor according to the utility model embodiment;
Fig. 2 is the sectional view of Fig. 1 center tap;
Fig. 3 is the A-A sectional view of Fig. 2 center tap;
Fig. 4 is the structural representation of intermediate connecting rod in Fig. 1;
Fig. 5 is the B-B sectional view of intermediate connecting rod in Fig. 4;
Fig. 6 carries on the back female structural representation in Fig. 1;
Fig. 7 is the structural representation of semi-ring in Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As shown in Figures 1 to 7, according to the helicoid hydraulic motor side of the using universal-joint of embodiment of the present utility model, comprise intermediate connecting rod 1 and two joints 2 being positioned at described intermediate connecting rod two ends, one end that described joint 2 is connected with described intermediate connecting rod 1 is a cross recess 3, and be arc-shaped transition 33 between adjacent translot 31 and vertical slot 32, the two ends of described intermediate connecting rod 1 are the cross projection 4 matched with described cross recess 3, described cross protruding 4 and shown cross recess 3 are engaged in transmitting torque between described intermediate connecting rod 1 and described joint 2, and leave default gap between described cross protruding 4 and described cross recess 3, make described joint 2 can swing 1.5 ° relative to described intermediate connecting rod 1.
Wherein, described default gap is specifically as follows: each of described cross projection 4 is 2 ~ 3mm with the spacing between each in corresponding described cross recess 3.
The helicoid hydraulic motor side of using universal-joint in the utility model, during assembling, first rubber and the back of the body female 6 are inserted in cross projection 4, semi-ring 7 is being placed on the inner radius of carrying on the back female 6 pin ends, semi-ring 7 internal diameter is less than cross projection 4, joint 2 inside is put into the two ends that lubricating grease inserts transition joint 1, by concavo-convex in conjunction with transmitting torque, throw off with intermediate connecting rod 1 to not allow the joint 2 at two ends, it is stoped to throw off by a back of the body female 6 and semi-ring 7 more between the two, because semi-ring 7 internal diameter of design is less than cross projection 4, so the back of the body mother 6 loading semi-ring 7 is screwed on upper lower contact box, can effectively solve joint and connecting axle is thrown off, the outside form of rubber sealing boot that adopts seals.
The utility model adopts the square connecting-type universal joint of cross recess and male cooperation, when not affecting helicoid hydraulic motor and normally working, effectively can extend the service time of universal joint, thus reaches the object extending helicoid hydraulic motor complete machine service time.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but this embodiment is all included within scope of the present utility model.
Claims (2)
1. the helicoid hydraulic motor side of a using universal-joint, it is characterized in that, comprise intermediate connecting rod (1) and be positioned at two joints (2) at described intermediate connecting rod two ends, one end that described joint (2) is connected with described intermediate connecting rod (1) is a cross recess (3), and be arc-shaped transition (33) between adjacent translot (31) and vertical slot (32), the two ends of described intermediate connecting rod (1) are the cross projection (4) matched with described cross recess (3), described cross projection (4) and shown cross recess (3) are engaged in transmitting torque between described intermediate connecting rod (1) and described joint (2), and leave default gap between described cross projection (4) and described cross recess (3), make described joint (2) 1.5 ° can be swung relative to described intermediate connecting rod (1).
2. the helicoid hydraulic motor side of using according to claim 1 universal-joint, is characterized in that, each of described cross projection (4) is 2 ~ 3mm with the spacing between each in corresponding described cross recess (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193473.8U CN204492686U (en) | 2015-04-01 | 2015-04-01 | The helicoid hydraulic motor side of using universal-joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193473.8U CN204492686U (en) | 2015-04-01 | 2015-04-01 | The helicoid hydraulic motor side of using universal-joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204492686U true CN204492686U (en) | 2015-07-22 |
Family
ID=53572008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520193473.8U Expired - Fee Related CN204492686U (en) | 2015-04-01 | 2015-04-01 | The helicoid hydraulic motor side of using universal-joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204492686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454097A (en) * | 2019-09-02 | 2019-11-15 | 山西汾西中兴煤业有限责任公司 | A kind of mine drill stem device |
-
2015
- 2015-04-01 CN CN201520193473.8U patent/CN204492686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454097A (en) * | 2019-09-02 | 2019-11-15 | 山西汾西中兴煤业有限责任公司 | A kind of mine drill stem device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20210401 |