CN2924113Y - Crank shaft-connection-lever type hydraulic motor - Google Patents
Crank shaft-connection-lever type hydraulic motor Download PDFInfo
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- CN2924113Y CN2924113Y CN 200620105572 CN200620105572U CN2924113Y CN 2924113 Y CN2924113 Y CN 2924113Y CN 200620105572 CN200620105572 CN 200620105572 CN 200620105572 U CN200620105572 U CN 200620105572U CN 2924113 Y CN2924113 Y CN 2924113Y
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- ball
- socket
- plunger
- hydraulic motor
- connecting rod
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Abstract
A crankshaft linkage hydraulic motor improves on the base of the original oil trough disk, an oil distribution disk, a shell, a piston-linkage component and a crankshaft. The piston consists of a ball-socket cushion block which is matched with the linkage ball head and a piston body which is arranged at the exterior of the ball-socket cushion body. As the fission-typed piston is adopted, the piston body and the ball-socket cushion block can be designed, according to practical needs, into different material and heating disposal process to meet the technical requirements between the piston and the cylinder body, between the ball-socket cushion block and the linkage ball head, namely, the utility model can improve the anti-wear performance and the anti-closing performance of the two pairs of motion pair at the same time. On one hand, the utility model with such structure largely prolongs the service life of the hydraulic motor; on the other hand, the utility model is helpful for the ball-socket grinding of the cushion block, can improve the size precision, shape precision and surface roughness at the ball-socket, afterwards reduces the hind grinding allowance and the grinding time, finally ensures the processing quality of the ball-socket. Therefore, the utility model has a simple, reasonable and practical structure and is worthy of improvement on the hydraulic motor.
Description
Technical field
The utility model relates to a kind of oil hydraulic motor, especially refers to a kind of crankshaft connecting rod type oil hydraulic motor.
Background technique
Existing crankshaft connecting rod type oil hydraulic motor generally includes housing, logical food tray, oil distribution casing, plunger case, plunger-link assembly and bent axle, wherein, plunger case is an odd number, be evenly distributed on the circumference of bent axle respectively radially, plunger in the plunger case is connected with connection rod sphere by ball pivot, the cylndrical surface of connecting rod bottom contacts with the eccentric wheel of bent axle, bent axle is bearing in housing and the capping by bearing, one end of bent axle links to each other with oil distribution casing by the double end key, and the other end then is used for driving and is driven load.During use, when pressure oil by logical food tray aperture oil distribution casing, when housing enters into plunger case, the action of hydraulic force that pressure oil produces is in plunger head, this hydraulic coupling resolves into along the connecting rod center line and points to the power at eccentric wheel center and the lateral force that the plunger case inwall is produced, the former tangential force produces moment of torsion to the rotating center of bent axle, make bent axle around the rotation of crankshaft rotating center, thereby realize hydraulic pressure can be converted into mechanical energy, be the purpose of working machine output speed and moment of torsion.
In above-mentioned working procedure, have enough intensity in order to ensure connecting rod, guaranteeing simultaneously has good bite-resistant performance between connection rod sphere and plunger ball-and-socket, and existing connecting rod is often made with steel part, and plunger then adopts cast iron to process.Adopt such design,, then occur wear phenomenon between the plunger cylindrical cylinder body easily though can satisfy the motion requirement between plunger and the connecting rod preferably.Therefore, above-mentioned design is difficult to make above-mentioned two kinematic pair to be met simultaneously, has finally influenced the service behaviour of oil hydraulic motor, shortens its working life then.Moreover because ball-and-socket is in the inner bottom part of plunger, and size is less, therefore is difficult to grinding, have to overcome by milling time after being increased in and amount of grinding, and therefore crankshaft connecting rod type oil hydraulic motor of the prior art awaits further to improve.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, a kind of motion requirement that both can satisfy kinematic pair between plunger and connecting rod, plunger and cylinder body simultaneously is provided, be convenient to processing again, the crankshaft connecting rod type oil hydraulic motor that also can increase the service life simultaneously.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: this crankshaft connecting rod type oil hydraulic motor comprises logical food tray, oil distribution casing, housing, cylinder cap that is connected with housing seal and capping, bent axle is bearing in described housing and the capping by bearing, one end and described oil distribution casing link, the other end is exposed to becomes output terminal outside the capping, on the circumferencial direction of described bent axle, be evenly equipped with simultaneously a plurality of plunger-link assemblies radially, plunger in each plunger-link assembly and the ball pivot connection mutually of connection rod sphere separately, and the cylndrical surface of each connecting rod bottom contacts with corresponding eccentric wheel on the bent axle, it is characterized in that: described plunger is made up of ball-and-socket cushion block that is complementary with described connection rod sphere and the plunger body that is positioned at outside this ball-and-socket cushion block.
As further improvement of the utility model, on the surface of contact between described plunger body and the ball-and-socket cushion block, can also be provided with seal ring, prevent that oil from oozing out from both surface of contact.
Simultaneously, described connecting rod bottom surface also is fixed with system matter wearing layer, to improve the wear-resisting and bite-resistant performance between connecting rod bottom surface and the crankshaft eccentric wheel cylindrical.
Compared with prior art, because plunger of the present utility model is to be combined by plunger body and ball-and-socket cushion block, therefore can be by actual demand, with plunger body, the ball-and-socket cushion block is designed to different materials and heat treatment process, satisfy plunger body and cylinder body, technical requirements between ball-and-socket cushion block and the connection rod sphere, can improve the wear resistance and the seizure resistance of two pairs of kinematic pair simultaneously, thereby adopt such split-type structural, prolonged the working life of oil hydraulic motor on the one hand widely, also help the ball-and-socket grinding of cushion block on the other hand, improved the dimensional accuracy at ball-and-socket place, accuracy to shape and surface roughness, then reduced after grind and milling time, finally guarantee the quality of processing of ball-and-socket.Therefore the utility model is simple and reasonable for structure, practical, is worth transforming on existing crankshaft connecting rod type oil hydraulic motor using.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the structural representation of the plunger-link assembly among Fig. 1;
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, this oil hydraulic motor comprises logical food tray 1, oil distribution casing 2, connecting plate 4, housing 5, the cylinder cap 6 that is connected with housing seal and capping 16, wherein, logical food tray 1 is by being bolted on the connecting plate 4, connecting plate then is fixed on the housing 5 by same mode, and oil distribution casing 2 is between logical food tray 1 and connecting plate 4, and the one end is relative with logical food tray, the other end is connected with an end of bent axle 14 by the double end key 3 that runs through connecting plate, and oil distribution casing 2 and bent axle 14 are rotated synchronously.Described bent axle 14 is bearing in left bearing 17, the right bearing 15, and left and right bearing is installed in respectively again in the bearing hole of housing 5 and capping 16, and the other end of bent axle is exposed to becomes output terminal outside the capping 16.And radially on the bent axle circumference in housing be evenly equipped with five (or seven or nine) plunger-link assemblies, in the present embodiment, plunger in each plunger-link assembly adopts and divides body structure, be that it is combined by plunger body 10 and ball-and-socket cushion block 7, plunger body 10 close-fittings are outside ball-and-socket cushion block 7, each ball-and-socket cushion block 7 and separately connecting rod 8 bulbs ball pivot mutually connect, and the cylndrical surface of each connecting rod 8 bottom contacts with corresponding eccentric wheel 13 on the bent axle., on the surface of contact of plunger body 10 and ball-and-socket cushion block 7, also be provided with seal ring 9 here, in case leak at this place.In addition, in order to increase the wear resistance between connecting rod 8 bottoms and the eccentric wheel 13, then be fixed with copper wearing layer 12 in connecting rod 8 bottom surfaces.
During work, high pressure oil flows into from the filler opening of logical food tray, and after entering oil duct on oil distribution casing, connecting plate, the housing successively, flows into the top of split type plunger, and the damping hole on flow controller 11 flows in the counter balance pocket of connecting rod bottom again.At this moment, under the promotion of high pressure oil, split type plunger is delivered to power on the eccentric wheel of bent axle by connecting rod, the direction of this active force is pointed to the eccentric wheel center, this active force then produces eccentric moment with respect to the formed gyration center of two block bearings, and bent axle rotates under the effect of this eccentric moment.Simultaneously, split type plunger is along with high pressure oil enters, move to lower dead centre from upper dead center, at this moment, oil distribution casing begins to connect with return opening, and split type plunger is under eccentric promotion, and crankshaft direction moves dorsad, volume between split type plunger and housing reduces, and low pressure oil is drained from return opening behind housing, connecting plate, oil distribution casing and logical food tray successively.Like this, each split type plunger is connected high pressure oil and low pressure oil successively, and bent axle is rotated around its center continuously and stably.
Claims (3)
1, a kind of crankshaft connecting rod type oil hydraulic motor, it comprises logical food tray (1), oil distribution casing (2), housing (5), cylinder cap that is connected with housing seal (6) and capping (16), bent axle (14) is bearing in described housing and the capping (16) by bearing, one end and described oil distribution casing link, the other end is exposed to becomes output terminal outside the capping, on the circumferencial direction of described bent axle, be evenly equipped with simultaneously a plurality of plunger-link assemblies radially, plunger in each plunger-link assembly and the ball pivot connection mutually of connecting rod separately (8) bulb, and the cylndrical surface of each connecting rod (8) bottom contacts with corresponding eccentric wheel (13) on the described bent axle, it is characterized in that: described plunger is made up of ball-and-socket cushion block (7) that is complementary with described connection rod sphere and the plunger body (10) that is positioned at outside this ball-and-socket cushion block.
2, crankshaft connecting rod type oil hydraulic motor according to claim 1 is characterized in that: also be provided with seal ring (9) on the surface of contact between described plunger body (10) and the ball-and-socket cushion block (7).
3, crankshaft connecting rod type oil hydraulic motor according to claim 1 and 2 is characterized in that: described connecting rod (8) bottom surface also is fixed with copper wearing layer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105572 CN2924113Y (en) | 2006-07-12 | 2006-07-12 | Crank shaft-connection-lever type hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105572 CN2924113Y (en) | 2006-07-12 | 2006-07-12 | Crank shaft-connection-lever type hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2924113Y true CN2924113Y (en) | 2007-07-18 |
Family
ID=38260545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620105572 Expired - Fee Related CN2924113Y (en) | 2006-07-12 | 2006-07-12 | Crank shaft-connection-lever type hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2924113Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713298B (en) * | 2009-11-05 | 2012-03-07 | 昆山金发液压机械有限公司 | Hydraulic motor provided with friction pair with nanometer graphite layer and method for processing nanometer graphite layer |
| CN102619675A (en) * | 2011-06-16 | 2012-08-01 | 兰州理工大学 | Seven parts individual effecting piston cylinder polarization type radial plunger motor |
| CN102797621A (en) * | 2012-08-13 | 2012-11-28 | 台州帕克兰液压机械有限公司 | Crankshaft link hydraulic motor |
| CN102852708A (en) * | 2012-09-20 | 2013-01-02 | 台州帕克兰液压机械有限公司 | Hydraulic motor with flushing function |
| CN102878011A (en) * | 2012-09-07 | 2013-01-16 | 徐州万邦道路工程装备服务股份公司 | Secondary scouring device of stabilized soil mixing machine rotor motor |
| CN107044380A (en) * | 2016-12-23 | 2017-08-15 | 宁波斯达弗液压传动有限公司 | A kind of medium-sized hydraulic motor of low failure |
| CN116428101A (en) * | 2023-02-08 | 2023-07-14 | 宁波欧易液压有限公司 | Crankshaft connecting rod type hydraulic motor |
-
2006
- 2006-07-12 CN CN 200620105572 patent/CN2924113Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713298B (en) * | 2009-11-05 | 2012-03-07 | 昆山金发液压机械有限公司 | Hydraulic motor provided with friction pair with nanometer graphite layer and method for processing nanometer graphite layer |
| CN102619675A (en) * | 2011-06-16 | 2012-08-01 | 兰州理工大学 | Seven parts individual effecting piston cylinder polarization type radial plunger motor |
| CN102619675B (en) * | 2011-06-16 | 2014-07-23 | 兰州理工大学 | Seven parts individual effecting piston cylinder polarization type radial plunger motor |
| CN102797621A (en) * | 2012-08-13 | 2012-11-28 | 台州帕克兰液压机械有限公司 | Crankshaft link hydraulic motor |
| CN102878011A (en) * | 2012-09-07 | 2013-01-16 | 徐州万邦道路工程装备服务股份公司 | Secondary scouring device of stabilized soil mixing machine rotor motor |
| CN102852708A (en) * | 2012-09-20 | 2013-01-02 | 台州帕克兰液压机械有限公司 | Hydraulic motor with flushing function |
| CN102852708B (en) * | 2012-09-20 | 2014-12-17 | 台州帕克兰液压机械有限公司 | Hydraulic motor with flushing function |
| CN107044380A (en) * | 2016-12-23 | 2017-08-15 | 宁波斯达弗液压传动有限公司 | A kind of medium-sized hydraulic motor of low failure |
| CN116428101A (en) * | 2023-02-08 | 2023-07-14 | 宁波欧易液压有限公司 | Crankshaft connecting rod type hydraulic motor |
| CN116428101B (en) * | 2023-02-08 | 2024-02-06 | 宁波欧易液压有限公司 | Crankshaft connecting rod type hydraulic motor |
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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: 20070718 Termination date: 20140712 |
|
| EXPY | Termination of patent right or utility model |