CN205207580U - Hydraulic rotary power assembly that engineering machinery was used - Google Patents
Hydraulic rotary power assembly that engineering machinery was used Download PDFInfo
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- CN205207580U CN205207580U CN201520971641.1U CN201520971641U CN205207580U CN 205207580 U CN205207580 U CN 205207580U CN 201520971641 U CN201520971641 U CN 201520971641U CN 205207580 U CN205207580 U CN 205207580U
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- hydraulic motor
- pivoting support
- output shaft
- outer ring
- power assembly
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Abstract
The utility model relates to a hydraulic rotary power assembly that engineering machinery was used, including hydraulic motor, slewing bearing, outer lane connecting plate, slewing bearing is including relative pivoted slewing bearing inner circle of ability and slewing bearing outer lane, hydraulic motor realizes hole and hydraulic motor casing fixed of slewing bearing inner circle and inlays the connection through the connecting pin, the hydraulic motor output shaft passes through outer lane connecting plate and slewing bearing outer lane fixed connection to drive slewing bearing's interior outer lane relative motion, simultaneously oily for guaranteeing to turn round, the hydraulic motor output shaft is the central through hole structure. The utility model discloses furthest rational utilization slewing bearing inner space to it is compacter to make gyration power assembly structure.
Description
Technical field
The utility model relates to engineering machinery swivel gear, is exactly a kind of hydraulic gyration power assembly of engineering machinery of compact structure specifically.
Background technique
At present, in the industries such as engineering machinery, harbour machinery, mining machinery, widely apply device for revolving and driving, its structure mainly contains two kinds: a kind of is that the outer ring (or inner ring) of pivoting support is designed with the gear teeth, load onto small gear with planetary speed reducer again to match with it, use fluid motor-driven planetary speed reducer, thus realize pivoting support Internal and external cycle and relatively operate, its shortcoming is that mechanism is huge, transmission is complicated, has gear wear, has the shortcomings such as backlash transmission accuracy is low.Another kind is that the outer ring of pivoting support is designed to worm gear, mix pedestal and worm screw again, realize the relative movement of pivoting support Internal and external cycle with fluid motor-driven worm screw, although compared with the first compact structure, easy for installation, still have worm and gear wear and tear and have the shortcomings such as backlash transmission accuracy is low.
At present, a large amount of main two kinds of rotary motive power assembly device used in engineering machinery: one is formed formed by internal gear type pivoting support, gerotor motor, small gear simple combination; The inner ring of pivoting support is designed with the gear teeth, then loads onto small gear with speed reducer and form internal messing with it, by the fluid motor-driven speed reducer be fixedly connected with pivoting support outer ring, realizes pivoting support Internal and external cycle and relatively operates; Although each parts of this design are standard piece and can purchase, add that welded structure whole height is higher, excess room is comparatively large, processes more loaded down with trivial details.Another kind is that the outer ring of pivoting support is designed to worm gear, and forms outer gearing with worm screw, realizes the relative movement of pivoting support Internal and external cycle by the fluid motor-driven worm screw be fixedly connected with pivoting support inner ring; Although this design axial dimension is reduced, correspondingly add radial dimension.Above two schemes has common shortcoming: all can not effectively utilize pivoting support inner space, thus causes the integrated model of rotary motive power assembly huge.
Model utility content
The purpose of this utility model is the hydraulic gyration power assembly providing a kind of engineering machinery, in order to solve the problem that existing rotary motive power assembly device volume is too huge, space availability ratio is low.
The utility model adopts following technological scheme,
A kind of hydraulic gyration power assembly of engineering machinery, comprise oil hydraulic motor, pivoting support, outer ring connecting plate, described pivoting support comprises can pivoting support inner ring and pivoting support outer ring in relative rotation, what described oil hydraulic motor realized the endoporus of pivoting support inner ring and hydraulic motor casing by connecting pin fixedly inlays connection, described hydraulic motor output shaft is fixedly connected with pivoting support outer ring by outer ring connecting plate, thus drives the Internal and external cycle relative movement of pivoting support.
Further, described oil hydraulic motor is the multiple tooth wheeled oil hydraulic motor of cylinder, comprise cylindrical hydraulic motor casing, be arranged on the central gear at hydraulic motor casing center, evenly to be arranged in hydraulic motor casing and with the small gear of described central gear outer gearing, be fixedly connected with the hydraulic motor output shaft of central gear, hydraulic motor casing and pivoting support inner ring surface of contact are furnished with some semicircle orifices respectively, its position is uniformly distributed along the circumference and one_to_one corresponding, what realize pivoting support inner ring and hydraulic motor casing by connecting pin in two relative semicircle orifices fixedly inlays connection, described oil hydraulic motor when meet more than outside mounting characteristics, adopt the form of the multiple tooth wheeled oil hydraulic motor of cylinder, specific power can be improved, utilize pivoting support inner space better, on the basis of satisfied outside mounting characteristics, also other inner structure form can be adopted.
Further, be different from general hydraulic motor output shaft, described hydraulic motor output shaft center is provided with hydraulic motor output shaft interior bone, the swivel joint matched with its internal diameter is provided with in described hydraulic motor output shaft interior bone, described swivel joint is through described hydraulic motor output shaft interior bone, upper end is arranged on hydraulic motor casing, be synchronized with the movement with pivoting support inner ring, lower end is arranged on the connecting plate of outer ring, be synchronized with the movement with pivoting support outer ring, to realize turning round oil, the size of central through bore is determined according to the diameter of axle of swivel joint.
Further, described oil hydraulic motor adopts the form of upper end fuel feeding, and oil hydraulic motor filler opening and oil hydraulic motor oil outlet centralized arrangement are in hydraulic motor casing upper-end surface, and convenient connection, to realize the fuel feeding of oil hydraulic motor.
Further, described pivoting support inner ring and pivoting support outer ring are respectively by the connection arranging pivoting support inner ring mounting hole and pivoting support outer ring mounting hole and realize turning round with engineering machinery fuselage and terminal work tooling, described pivoting support can selection standard pivoting support, to reduce costs, also can customize according to actual needs, to meet most compact structure requirement.
Compared to existing technology, adopt effective benefit of the rotary motive power assembly of said structure to it is possible to farthest Appropriate application pivoting support inner space, thus make rotary motive power assembly structure compacter.
Accompanying drawing explanation
Fig. 1 is rotary motive power of the present utility model (not containing swivel joint) assembly schematic top plan view.
Fig. 2 is rotary motive power assembly (comprising swivel joint) schematic perspective view of the present utility model.
Fig. 3 is the pivoting support structural representation in the utility model.
Fig. 4 is the hydraulic motor structure schematic diagram used in the utility model.
In figure, 1 is pivoting support, 1.1 is pivoting support outer ring, 1.1.1 be pivoting support outer ring mounting hole, 1.2 be pivoting support inner ring, 1.2.1 be pivoting support inner ring mounting hole, 1.2.2 be pivoting support inner ring semicircle orifice, 2 is connecting pin, 3 is oil hydraulic motor, 3.1 is hydraulic motor casing, 3.1.1 be hydraulic motor casing semicircle orifice, 3.2 be oil hydraulic motor oil outlet, 3.2.1 be low-pressure cavity, 3.3 oil hydraulic motor filler openings, 3.3.1 be hyperbaric chamber, 3.4 is hydraulic motor output shaft, 3.5 be hydraulic motor output shaft interior bone, 3.6 is small gear, take turns centered by 3.7, 4 is outer ring connecting plate, 5 is swivel joint.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the utility model.
As shown in Figure 1, a kind of rotary motive power assembly of engineering machinery, comprise pivoting support 1, oil hydraulic motor 3, outer ring connecting plate 4, what described oil hydraulic motor 3 realized pivoting support inner ring 1.2 and hydraulic motor casing 3.1 by connecting pin 2 fixedly inlays connection, hydraulic motor output shaft 3.4 is fixedly connected with pivoting support outer ring 1.1 by outer ring connecting plate 4, thus drives the Internal and external cycle relative movement of pivoting support 1.
As Fig. 1, shown in Fig. 3 and Fig. 4, described oil hydraulic motor 3 is the multiple tooth wheeled oil hydraulic motor of cylinder, comprise cylindrical hydraulic motor casing 3.1, be arranged on the central gear 3.7 at hydraulic motor casing 3.1 center, evenly to be arranged in hydraulic motor casing 3.1 and with the small gear 3.6 of described central gear 3.7 outer gearing, be fixedly connected with the hydraulic motor output shaft 3.4 of central gear 3.7, hydraulic motor casing 3.1 and pivoting support inner ring 1.2 surface of contact are furnished with hydraulic motor casing semicircle orifice 3.1.1 and pivoting support inner ring semicircle orifice 1.2.2 respectively, its position is uniformly distributed along the circumference and one_to_one corresponding, what realize pivoting support inner ring 1.1 and hydraulic motor casing 3.1 by connecting pin 2 in two relative semicircle orifices fixedly inlays connection, described oil hydraulic motor 3 when meet more than outside mounting characteristics, adopt the form of the multiple tooth wheeled oil hydraulic motor of cylinder, specific power can be improved, utilize pivoting support 1 inner space better, on the basis of satisfied outside mounting characteristics, also other inner structure form can be adopted.
Described hydraulic motor output shaft 3.4 is different from general solid shaft, described hydraulic motor output shaft center is provided with the hydraulic motor output shaft interior bone of certain size, form hollow shaft, the swivel joint 5 matched with its internal diameter is provided with, for ensureing the installing space of swivel joint 4 in described hydraulic motor output shaft interior bone 3.5.Described swivel joint 5 is through described hydraulic motor output shaft interior bone 3.5, upper end is arranged on hydraulic motor casing 3.1, be synchronized with the movement with pivoting support inner ring 1.2, lower end is arranged on outer ring connecting plate 4, be synchronized with the movement with pivoting support outer ring 1.1, to realize turning round oil, hydraulic motor output shaft interior bone 3.5 is as crossing oily passage, to realize the oil circuit connection of engineering machinery hydraulic pump to revolution terminal job frock, the size of hydraulic motor output shaft interior bone 3.5 is determined according to the diameter of axle of swivel joint 5, need the radial dimension changing hydraulic motor output shaft 3.4 accordingly.
Described oil hydraulic motor 3, it adopts the mode of upper end fuel feeding, oil hydraulic motor filler opening 3.3 and oil hydraulic motor oil outlet 3.2 centralized arrangement in the upper-end surface of hydraulic motor casing 3.1, to realize the fuel feeding of oil hydraulic motor.
With reference to accompanying drawing 3, described pivoting support 1 can selection standard pivoting support, to reduce costs, also can customize according to actual needs, to meet most compact structure requirement.Described pivoting support inner ring 1.2 and pivoting support outer ring 1.1 are respectively by the connection arranging pivoting support inner ring mounting hole 1.2.1 and pivoting support outer ring mounting hole 1.1.1 and realize turning round with engineering machinery fuselage and terminal work tooling.
With reference to accompanying drawing 4, be described being applicable to a kind of oil hydraulic motor example of the present utility model.Described oil hydraulic motor 3 adopts the multiple tooth wheeled oil hydraulic motor of cylinder, hydraulic motor output shaft 3.4 is fixedly connected with central gear 3.7 by the mode of spline joint, wherein, central gear 3.7 simultaneously and the outer gearing of 3 small gears 3.6, and form 3 groups of high and low pressure oil pockets with hydraulic motor casing 3.1, low-pressure cavity 3.2.1 is connected with oil outlet 3.2, hyperbaric chamber 3.3.1 is connected with filler opening 3.3, as shown in the figure, under oil pressure effect, central gear 3.7 turns round clockwise, small gear 3.6 turning anticlockwise, thus drive oil hydraulic motor 3 to rotate.Meanwhile, hydraulic motor output shaft interior bone 3.5 is the installation passage of swivel joint 5, ensures the realization of turning round oil.
The foregoing is only preferred embodiment of the present utility model, be not used to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (5)
1. the hydraulic gyration power assembly of an engineering machinery, comprise oil hydraulic motor, pivoting support, outer ring connecting plate, described pivoting support comprises can pivoting support inner ring and pivoting support outer ring in relative rotation, it is characterized in that: what described oil hydraulic motor realized the endoporus of pivoting support inner ring and hydraulic motor casing by connecting pin fixedly inlays connection, described hydraulic motor output shaft is fixedly connected with pivoting support outer ring by outer ring connecting plate, thus drives the Internal and external cycle relative movement of pivoting support.
2. the hydraulic gyration power assembly of engineering machinery as claimed in claim 1, it is characterized in that: described oil hydraulic motor is the multiple tooth wheeled oil hydraulic motor of cylinder, comprise cylindrical hydraulic motor casing, be arranged on the central gear at hydraulic motor casing center, evenly to be arranged in hydraulic motor casing and with the small gear of described central gear outer gearing, be fixedly connected with the hydraulic motor output shaft of central gear, hydraulic motor casing and pivoting support inner ring surface of contact are furnished with some semicircle orifices respectively, its position is uniformly distributed along the circumference and one_to_one corresponding, what realize pivoting support inner ring and hydraulic motor casing by connecting pin in two relative semicircle orifices fixedly inlays connection.
3. the hydraulic gyration power assembly of engineering machinery as claimed in claim 2, it is characterized in that: described hydraulic motor output shaft center is provided with hydraulic motor output shaft interior bone, the swivel joint matched with its internal diameter is provided with in described hydraulic motor output shaft interior bone, described swivel joint is through described hydraulic motor output shaft interior bone, upper end is arranged on hydraulic motor casing, be synchronized with the movement with pivoting support inner ring, lower end is arranged on the connecting plate of outer ring, be synchronized with the movement with pivoting support outer ring, to realize turning round oil.
4. the hydraulic gyration power assembly of engineering machinery as claimed in claim 1, it is characterized in that: described oil hydraulic motor adopts the form of upper end fuel feeding, oil hydraulic motor filler opening and oil hydraulic motor oil outlet centralized arrangement in hydraulic motor casing upper-end surface, to realize the fuel feeding of oil hydraulic motor.
5. the hydraulic gyration power assembly of engineering machinery as claimed in claim 1, is characterized in that: described pivoting support inner ring and pivoting support outer ring are respectively by the connection arranging pivoting support inner ring mounting hole and pivoting support outer ring mounting hole and realize turning round with engineering machinery fuselage and terminal work tooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971641.1U CN205207580U (en) | 2015-11-28 | 2015-11-28 | Hydraulic rotary power assembly that engineering machinery was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971641.1U CN205207580U (en) | 2015-11-28 | 2015-11-28 | Hydraulic rotary power assembly that engineering machinery was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207580U true CN205207580U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520971641.1U Expired - Fee Related CN205207580U (en) | 2015-11-28 | 2015-11-28 | Hydraulic rotary power assembly that engineering machinery was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812906A (en) * | 2015-11-28 | 2017-06-09 | 华南理工大学 | A kind of hydraulic gyration power assembly of engineering machinery |
| CN107882098A (en) * | 2017-12-25 | 2018-04-06 | 徐工集团工程机械有限公司 | Engineering truck |
-
2015
- 2015-11-28 CN CN201520971641.1U patent/CN205207580U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812906A (en) * | 2015-11-28 | 2017-06-09 | 华南理工大学 | A kind of hydraulic gyration power assembly of engineering machinery |
| CN106812906B (en) * | 2015-11-28 | 2023-12-29 | 华南理工大学 | Hydraulic rotary power assembly for engineering machinery |
| CN107882098A (en) * | 2017-12-25 | 2018-04-06 | 徐工集团工程机械有限公司 | Engineering truck |
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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: 20160504 Termination date: 20181128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |