CN202324048U - Hydraulic central rotating body - Google Patents
Hydraulic central rotating body Download PDFInfo
- Publication number
- CN202324048U CN202324048U CN2011204654497U CN201120465449U CN202324048U CN 202324048 U CN202324048 U CN 202324048U CN 2011204654497 U CN2011204654497 U CN 2011204654497U CN 201120465449 U CN201120465449 U CN 201120465449U CN 202324048 U CN202324048 U CN 202324048U
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- CN
- China
- Prior art keywords
- revolving body
- gyroaxis
- end cap
- hole
- central
- 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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Abstract
The utility model discloses a hydraulic central rotating body comprising a rotating shaft, a rotating body, an end cover, an angular displacement sensor and a cap-shaped sliding ring, wherein the rotating body is movably sleeved with the rotating shaft and each oil opening of the rotating body is communicated with each oil channel of the rotating shaft one by one; the end cover is fixedly arranged at the top end of the rotating body; the rotating shaft is provided with an electric channel with two through ends along a central shaft; the end cover is provided with a demising through hole and a stator end of the cap-shaped sliding ring is fixedly arranged at the top of the rotating shaft through the demising through hole of the end cover and is partially contained in the electric channel; an annular groove is arranged on the end surface of the top of the rotating shaft, corresponding to the periphery of the electric channel; the angular displacement sensor is fixedly arranged on the demising through hole of the end cover and is contained in the annular groove; and the angular displacement sensor is electrically connected with the cap-shaped sliding ring. The hydraulic central rotating body disclosed by the utility model is provided with a hydraulic oil path channel and the electric channel, so that operators can obtain a relative rotating angle of a fixed part and a rotary part of a hydraulic system in real time so as to assist the operators to implement rapidly work positioning.
Description
Technical field
The utility model relates to a kind of hydraulic pressure central authorities revolving body, particularly relates to a kind ofly having electric channel, conveniently knowing the hydraulic pressure central authorities revolving body of the anglec of rotation.
Background technology
Hydraulic crawler excavator, crane, rotary drilling rig etc.; Two parts are need be rotating about it; Just there is the oil circuit connectivity problem of rotating part and standing part in this, and hydraulic pressure central authorities revolving body is exactly the fluid pressure line that is used for connecting standing part and rotating part in the whole hydraulic system.At present, the hydraulic pressure of prior art central authorities revolving body generally is made up of revolving body, gyroaxis and end cap etc.; Wherein, It radially offers a plurality of hydraulic fluid ports the revolving body upper edge, and it axially offers a plurality of oily passages the gyroaxis upper edge, when revolving body and gyroaxis mutually during pivot bush unit; Each oily passage of its each hydraulic fluid port and gyroaxis is connected one by one, forms oily path; This hydraulic pressure central authorities revolving body connection is engaged between the standing part and rotating part of hydraulic system, can solves the standing part of hydraulic system and the oil circuit connectivity problem of rotating part.Yet no matter the central revolving body of this hydraulic pressure of prior art is to have three oily paths, still has eight oily paths, ten oily paths etc., all has weak point: 1, only have the hydraulic circuit passage, do not have electric channel; 2, operating personnel can't be known the anglec of rotation of the rotating part of hydraulic system, thereby can't realization work location.
The utility model content
The purpose of the utility model is to overcome the deficiency of prior art, and a kind of hydraulic pressure central authorities revolving body is provided, and it not only has electric channel, can also help operating personnel to locate because of the anglec of rotation Rapid Realization work of the rotating part of knowing hydraulic system.
The utility model solves the technical scheme that its technical problem adopted: the central revolving body of a kind of hydraulic pressure, comprise gyroaxis, revolving body and end cap, and it axially offers a plurality of oily passages the gyroaxis upper edge, and it radially offers a plurality of hydraulic fluid ports the revolving body upper edge; Revolving body and gyroaxis be pivot bush unit mutually, and each oily passage of its each hydraulic fluid port and gyroaxis is connected one by one; End cap is fixed in the top of revolving body; Also comprise an angular displacement sensor and a shape for hat slip ring; Gyroaxis to offering the penetrating electric channel in two ends, has the through hole of stepping down along its central axis on the end cap, the stator terminal of shape for hat slip ring is fixed in the top of gyroaxis through the through hole of stepping down of end cap, and part is placed in the electric channel; The border of corresponding its electric channel offers a cannelure on the top end face of gyroaxis, and angular displacement sensor is fixed in the through hole of stepping down of end cap, and is placed in the cannelure; This angular displacement sensor is electrically connected with the shape for hat slip ring mutually.
Also comprise a top cover, have a cable-through hole on this top cover, this top cover is coated on the outside of the through hole of stepping down of said end cap, and with said end cap Joint; The rotor-end lead-in wire of said shape for hat slip ring stretches out through the cable-through hole of top cover.
The oily passage of said gyroaxis is three, and the hydraulic fluid port of said revolving body is three, and each hydraulic fluid port of oily passage of each of said gyroaxis and said revolving body is connected one by one and forms three oily paths; Go back sealing shroud between the inwall of said revolving body and the outer wall of said gyroaxis and be connected to a plurality of sealing rings that are used to separate these three oily paths.
The inwall of the through hole of stepping down of said end cap is provided with a ring-shaped step, and the outer ring ora terminalis of said angular displacement sensor locks and connects with the table top of this ring-shaped step through some first screws mutually.
Said end cap locks and connects with the other end of said revolving body through some bolts mutually.
Said top cover locks and connects with said end cap through some second screws mutually.
The central revolving body of a kind of hydraulic pressure of the utility model; On the central axis of its gyroaxis, offer electric channel; And after the shape for hat slip ring is installed, not only convenient power supply is delivered to the rotating part of hydraulic system, can also avoid the stator terminal lead-in wire of shape for hat slip ring and twine.
The central revolving body of a kind of hydraulic pressure of the utility model, its angular displacement sensor is realized being electrically connected and the signal transmission through the shape for hat slip ring, and the output of this angular displacement sensor is connected with indoor position, the angle display of the car of the rotating part that places hydraulic system.When the rotating part of hydraulic system rotates; Angular displacement sensor detects signal to be changed; And this signal is transferred to position, angle display; Demonstrate the relative rotation angle of the rotating part and the standing part of hydraulic system by position, angle display, but the angle that operating personnel are shown according to position, angle display is known the anglec of rotation and the Rapid Realization work location of the rotating part of hydraulic system.
The beneficial effect of the utility model is, owing to comprise angular displacement sensor and shape for hat slip ring, and gyroaxis is provided with an electric channel along its central axis; End cap is provided with the through hole of stepping down; The border of corresponding electric channel offers a cannelure on the end face of one end of gyroaxis, and the shape for hat slip ring is fixed on the gyroaxis, and is placed in an end place of electric channel; Angular displacement sensor is fixed in the through hole of stepping down of end cap; And be placed in the cannelure of gyroaxis, make the utility model can utilize the electric channel of gyroaxis and shape for hat slip ring upwards to carry power supply on the one hand, and can avoid power line to twine; Can utilize angular displacement sensor to detect in real time on the other hand and the rotating part of transmission hydraulic system and the relative rotation angle information of standing part, thereby help operating personnel Rapid Realization work to locate.
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain; But the central revolving body of a kind of hydraulic pressure of the utility model is not limited to embodiment.
Description of drawings
Fig. 1 is the D structure sketch map of the utility model;
Fig. 2 is the right side view of the utility model;
Fig. 3 is the left side view of the utility model;
Fig. 4 is the upward view of the utility model;
Fig. 5 is the sectional view of the utility model.
The specific embodiment
Embodiment; See also shown in the accompanying drawing, the central revolving body of a kind of hydraulic pressure of the utility model comprises gyroaxis 2, revolving body 1, end cap 3, angular displacement sensor 4 and shape for hat slip ring 5; It axially offers a plurality of oily passages 21 gyroaxis 2 upper edges, and it radially offers a plurality of hydraulic fluid ports 11 revolving body 1 upper edge; Revolving body 1 adopts two bearing 7 turning sets to be connected to outside the gyroaxis 2, and each oily passage 21 of its each hydraulic fluid port 11 and gyroaxis is connected one by one; End cap 3 adopts bolt 31 to be locked in the top of revolving body 1; Gyroaxis 2 along its central axis to also offering an electric channel 22 that two ends are penetrating; The medium position of end cap 3 has the through hole 32 of stepping down; The stator terminal of shape for hat slip ring 5 adopts some second screws 52 to lock and connect in the top of gyroaxis 2 in through hole 32 places that step down of end cap, and part is placed in the electric channel 22 of gyroaxis; The border of corresponding its electric channel 22 offers a cannelure 23 on the top end face of gyroaxis 2, and angular displacement sensor 4 is fixed in through hole 32 places that step down of end cap, and is placed in this cannelure 23; This angular displacement sensor 4 is electrically connected with shape for hat slip ring 5 mutually.
As a kind of preferred, the utility model also comprises a top cover 6, has a cable-through hole on this top cover 6, and this top cover 6 is coated on the outside of through hole 32 of stepping down of said end cap, and adopts four second screws 61 to lock and connect mutually with said end cap 3; Rotor-end lead-in wire 51 cable-through holes through top cover 6 of said shape for hat slip ring stretch out.
The oily passage 21 of said gyroaxis 2 is three, and these three oily passages 21 are uniformly distributed in the outside of the electric channel 22 of gyroaxis; The hydraulic fluid port 11 of said revolving body 1 is three, and wherein two hydraulic fluid ports are located at the same side of revolving body 1, and remaining hydraulic fluid port is located at the opposite side of revolving body 1; Three hydraulic fluid ports 11 of the oily passage 21 of three of gyroaxis and revolving body are connected one by one and form three oily paths, and a plurality of sealing rings 8 that wherein are connected between the outer wall of inwall and gyroaxis 2 of revolving body 1 by sealing shroud between each oily path are spaced from each other.Go back sealing shroud between the bottom of the bottom of said gyroaxis 2 and said revolving body 1 and be connected to a dust ring 9.
As a kind of preferred; The utility model is that the inwall of the through hole 32 of stepping down of end cap is arranged to reducer; Promptly; Make the inwall middle part of the through hole 32 of stepping down of said end cap have a ring-shaped step, the outer ring ora terminalis of said angular displacement sensor 4 can lock and connect with the table top of this ring-shaped step through several first screws 41 mutually.
The central revolving body of a kind of hydraulic pressure of the utility model is during installation, with the rotating part Joint of its revolving body 1 with hydraulic system, with the standing part Joint of its gyroaxis 2 with hydraulic system.The stator terminal lead-in wire of its shape for hat slip ring 5 connects corresponding power supply unit through the electric channel 22 of gyroaxis to extending below.So, the power supply unit that is arranged on the standing part of hydraulic system can be supplied power through the rotating part of 5 pairs of standing parts tops of shape for hat slip ring.Owing to adopt shape for hat slip ring 5 to realize electric conveying, thereby when the rotating part of hydraulic system rotated, the stator terminal lead-in wire of shape for hat slip ring 5 can not twine.
The central revolving body of a kind of hydraulic pressure of the utility model, its angular displacement sensor 4 is realized being electrically connected and the signal transmission through shape for hat slip ring 5, and the output of this angular displacement sensor 4 is connected with indoor position, the angle display of the car of the rotating part that places hydraulic system.When revolving body 1 rotates in company with the rotating part of hydraulic system; Angular displacement sensor 4 detects signal to be changed; And this signal is transferred to position, angle display; Demonstrate the relative rotation angle of the rotating part and the standing part of hydraulic system by position, angle display, but the angle that operating personnel are shown according to position, angle display is known the anglec of rotation and the Rapid Realization work location of the rotating part of hydraulic system.
The central revolving body of a kind of hydraulic pressure of the utility model; It also can be arranged to have eight oily paths or have ten oily paths,, also can be axially arranged with eight or ten oily passages along it on its gyroaxis 2 that is; Accordingly, its revolving body 1 upper edge its radially be provided with eight or ten hydraulic fluid ports.
The central revolving body of a kind of hydraulic pressure of the utility model, it also is applicable to the central revolving body of another kind of hydraulic pressure, the gyroaxis of such hydraulic pressure central authorities revolving body and the rotating part Joint of hydraulic system, the standing part Joint of revolving body and hydraulic system.
The foregoing description only is used for further specifying the central revolving body of a kind of hydraulic pressure of the utility model; But the utility model is not limited to embodiment; Every technical spirit according to the utility model all falls in the protection domain of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. a hydraulic pressure central authorities revolving body comprises gyroaxis, revolving body and end cap, and it axially offers a plurality of oily passages the gyroaxis upper edge, and it radially offers a plurality of hydraulic fluid ports the revolving body upper edge; Revolving body and gyroaxis be pivot bush unit mutually, and each oily passage of its each hydraulic fluid port and gyroaxis is connected one by one; End cap is fixed in the top of revolving body; It is characterized in that: also comprise an angular displacement sensor and a shape for hat slip ring; Gyroaxis to offering the penetrating electric channel in two ends, has the through hole of stepping down along its central axis on the end cap, the stator terminal of shape for hat slip ring is fixed in the top of gyroaxis through the through hole of stepping down of end cap, and part is placed in the electric channel; The border of corresponding its electric channel offers a cannelure on the top end face of gyroaxis, and angular displacement sensor is fixed in the through hole of stepping down of end cap, and is placed in the cannelure; This angular displacement sensor is electrically connected with the shape for hat slip ring mutually.
2. a kind of hydraulic pressure according to claim 1 central authorities revolving body, it is characterized in that: also comprise a top cover, have a cable-through hole on this top cover, this top cover is coated on the outside of the through hole of stepping down of said end cap, and with said end cap Joint; The rotor-end lead-in wire of said shape for hat slip ring stretches out through the cable-through hole of top cover.
3. the central revolving body of a kind of hydraulic pressure according to claim 1 and 2; It is characterized in that: the oily passage of said gyroaxis is three; The hydraulic fluid port of said revolving body is three, and each hydraulic fluid port of oily passage of each of said gyroaxis and said revolving body is connected one by one and forms three oily paths; Go back sealing shroud between the inwall of said revolving body and the outer wall of said gyroaxis and be connected to a plurality of sealing rings that are used to separate these three oily paths.
4. the central revolving body of a kind of hydraulic pressure according to claim 1; It is characterized in that: the inwall of the through hole of stepping down of said end cap is provided with a ring-shaped step, and the outer ring ora terminalis of said angular displacement sensor locks and connects with the table top of this ring-shaped step through some first screws mutually.
5. the central revolving body of a kind of hydraulic pressure according to claim 1, it is characterized in that: said end cap locks and connects with the other end of said revolving body through some bolts mutually.
6. the central revolving body of a kind of hydraulic pressure according to claim 2, it is characterized in that: said top cover locks and connects with said end cap through some second screws mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204654497U CN202324048U (en) | 2011-11-21 | 2011-11-21 | Hydraulic central rotating body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204654497U CN202324048U (en) | 2011-11-21 | 2011-11-21 | Hydraulic central rotating body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202324048U true CN202324048U (en) | 2012-07-11 |
Family
ID=46436031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204654497U Expired - Fee Related CN202324048U (en) | 2011-11-21 | 2011-11-21 | Hydraulic central rotating body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202324048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618187A (en) * | 2013-11-15 | 2014-03-05 | 中航光电科技股份有限公司 | Novel seal structure of fluid slip ring |
-
2011
- 2011-11-21 CN CN2011204654497U patent/CN202324048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618187A (en) * | 2013-11-15 | 2014-03-05 | 中航光电科技股份有限公司 | Novel seal structure of fluid slip ring |
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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: 20120711 Termination date: 20141121 |
|
| EXPY | Termination of patent right or utility model |