CN202209249U - Hydraulic motor - Google Patents
Hydraulic motor Download PDFInfo
- Publication number
- CN202209249U CN202209249U CN2011202263499U CN201120226349U CN202209249U CN 202209249 U CN202209249 U CN 202209249U CN 2011202263499 U CN2011202263499 U CN 2011202263499U CN 201120226349 U CN201120226349 U CN 201120226349U CN 202209249 U CN202209249 U CN 202209249U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- housing
- hydraulic motor
- spring bearing
- bearing
- 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 relates to a hydraulic motor, which includes an oil distributing body (8) arranged in the housing and a rotor body (7) fixed with a transmission shaft (6), wherein the oil distributing body (8) and the rotor body (7) are arranged together. The hydraulic motor is characterized in that a support bearing (3) is arranged in the housing; the support bearing (3) takes the transmission shaft (6) as the center and is positioned in the housing outside the oil distributing body (8); a left disk (31) of the support bearing can be tightly attached to a structure synchronously rotating with the rotor body (7); and a right disk (32) of the support bearing can be fixedly attached to the inner wall of the inner cavity of the housing. Compared with the prior art, the utility model has the advantages that when axial pressure is exerted on the transmission shaft, the axial pressure borne by the radial bearing can be transmitted to the support bearing, as the support bearing can bear the axial pressure of the transmission shaft, and the radial bearing remains intact due to the function of the support bearing when the axial pressure is exerted on the transmission shaft, so that the service life of the radial bearing is effectively prolonged.
Description
Technical field
The utility model relates to a kind of oil hydraulic motor manufacture technology field.
Background technique
Existing a kind of patent No. discloses a kind of structure for the Chinese utility model patent that the CN201020222045.0 name is called " plunger hydraulic motor plunger positioning device "; Its structure comprises that rotor is provided with plunger hole, and roller, block, plunger are arranged in the plunger hole, and the two sides, the left and right sides of said block simultaneously is an arc surface; Another side is the plane; Groove also is set on the arc surface, and the arc surface of two blocks cooperates with the plunger hole inwall, and two end faces of plane on two blocks and roller are close to; Also be fixed with spring pin on the said rotor, hook on the said spring pin and the groove on the block are slidingly matched.If block rotates; Hook will prop up the rotation that groove stops block; Make block be close to roller restriction roller, need not the groove that the fixed processing block is used on the plunger hole, can not influence the machining accuracy of plunger hole along the moving of self axis; Block need not very highi degree of accuracy, obtains to get final product through the injection moulding mode; Block only need be filled in the plunger hole during installation, and is easy to assembly, because of block is not fixed with certain activity surplus, even roller vibrates, also can not produce big destruction to it.But its shortcoming is its tapered roller radial bearing of this oil hydraulic motor to be received under the situation of axially squeezing power; Can take place to become flexible and damage; Because of the tapered roller radial bearing can bear huge radial pressure; But can not bear huge longitudinally crowded power, the radial bearing axle is easy to loosening and damages when transmission shaft receives axial pressure, so working life is shorter; Its tail end at transmission shaft of this oil hydraulic motor is not established rolling bearing in addition, and stability also makes oil hydraulic motor damage and reduction of service life with all property is not enough easily when transmission shaft entad rotates, so its structure awaits to improve.
Summary of the invention
The utility model technical problem to be solved is that a kind of oil hydraulic motor that axial carrying load ingenious, rational in infrastructure and that can increase spring bearing can keep the transmission shaft running accuracy that designs is provided to above-mentioned existing technology present situation.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: this oil hydraulic motor; The rotor body that includes the oil distributing member that places in the housing, fixes with transmission shaft; Said oil distributing member and rotor body are set together; It is characterized in that: in said housing, be provided with spring bearing; This spring bearing is the center with the transmission shaft and is positioned at the outer housing of oil distributing member, and the left side dish of said spring bearing can be close together with the structure that rotor body rotates synchronously, and the inwall of the right side of spring bearing dish and housing inner chamber tightens together.
As improvement, the left side of said spring bearing dish is respectively arranged with corresponding grooves with the relative one side of right dish, in the groove of described left side dish and right dish, is gripped with steel ball movably.
Improve, said housing afterbody is provided with and can makes the transmission shaft afterbody be inserted in rolling bearing wherein again.Thereby make transmission shaft rotate more evenly, stablize.
Improve again; Said housing comprises protecgulum shell, rear lid case, tail-hood plate; Said protecgulum shell and rear lid case are individually fixed on the corresponding separately one side of stator; And protecgulum shell, stator and rear lid case being tightened to one each other through standing screw or bolt, said tail-hood plate is fixed on the afterbody of rear lid case.
Compared with prior art; The utility model is employed in and is provided with spring bearing in the housing; This spring bearing is the center with the transmission shaft and is positioned at the outer housing of oil distributing member; The left side dish of said spring bearing can be close together with the structure that rotor body rotates synchronously, and the inwall of the right side of spring bearing dish and housing inner chamber tightens together.The advantage of this design is: when transmission shaft receives axial pressure; The suffered axial pressure of radial bearing can be passed on the spring bearing; The axial pressure that can bear transmission shaft because of spring bearing, thus when transmission shaft when axially being under pressure radial bearing because the effect of spring bearing and can not receive breakage, thereby make spring bearing can bear bigger axial carrying load; The running accuracy and the stability that can keep transmission shaft all the time, the working life of also improving complete machine; Also have the utility model to be equipped with rolling bearing at the afterbody of transmission shaft, make transmission shaft entad rotate more evenly, stablize, institute is so that the oil hydraulic motor work is better, and working life is also longer.Thereby make spring bearing can bear bigger axial carrying load, can keep the running accuracy and the stability of transmission shaft all the time, the working life of also improving complete machine.
Description of drawings
Fig. 1 is the utility model embodiment's a structural profile schematic representation.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model embodiment's oil hydraulic motor, include the oil distributing member 8 that places in the housing, with the rotor body 7 that transmission shaft 6 fixes, said transmission shaft 6 can be set together with housing through radial bearing 1 and radial bearing 25 rotationally.Said oil distributing member 8 is set together with rotor body 7.In said housing, be provided with spring bearing 3; This spring bearing 3 is the center with transmission shaft 6 and is positioned at the housing outside the oil distributing member 8; The left side dish 31 of said spring bearing can be close together with the structure that rotor body 7 rotates synchronously, and the inwall of the right side of spring bearing dish 32 and housing inner chamber 15 tightens together.The left side dish 31 of spring bearing is respectively arranged with corresponding grooves with right dish 32 relative one sides, in the groove of described left side dish 31 and right dish 32, is gripped with steel ball movably.Be provided with at the housing afterbody and can make transmission shaft 6 afterbodys be inserted in rolling bearing 2 wherein.The housing of the utility model comprises protecgulum shell 13, rear lid case 12, tail-hood plate 11; Said protecgulum shell 13 is individually fixed on the corresponding separately one side of stator 1 with rear lid case 12; And protecgulum shell 13, stator 1 and rear lid case 12 being tightened to one each other through standing screw 14 or bolt, said tail-hood plate 11 is fixed on the afterbody of rear lid case 12.
Claims (4)
1. oil hydraulic motor; The rotor body (7) that includes the oil distributing member (8) that places in the housing, fixes with transmission shaft (6); Said oil distributing member (8) is set together with rotor body (7); It is characterized in that: in said housing, be provided with spring bearing (3); This spring bearing (3) is the center with transmission shaft (6) and is positioned at the outer housing of oil distributing member (8), and the left side dish (31) of said spring bearing (3) can be close together with the structure that rotor body (7) rotates synchronously, and the inwall of the right side of spring bearing (3) dish (32) and housing inner chamber (15) tightens together.
2. oil hydraulic motor according to claim 1 is characterized in that: be provided with groove between the left side dish (31) of said spring bearing (3) and the right dish (32), in said groove, be provided with mobilizable steel ball.
3. oil hydraulic motor according to claim 1 and 2 is characterized in that: said housing afterbody is provided with and can makes transmission shaft (6) afterbody be inserted in rolling bearing (2) wherein.
4. oil hydraulic motor according to claim 1 and 2; It is characterized in that: said housing comprises protecgulum shell (13), rear lid case (12), tail-hood plate (11); Said protecgulum shell (13) and rear lid case (12) are individually fixed on the corresponding separately one side of stator (1); And protecgulum shell (13), stator (1) and rear lid case (12) being tightened to one each other through standing screw (14) or bolt, said tail-hood plate (11) is fixed on the afterbody of rear lid case (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202263499U CN202209249U (en) | 2011-06-29 | 2011-06-29 | Hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202263499U CN202209249U (en) | 2011-06-29 | 2011-06-29 | Hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202209249U true CN202209249U (en) | 2012-05-02 |
Family
ID=45988800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202263499U Expired - Fee Related CN202209249U (en) | 2011-06-29 | 2011-06-29 | Hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202209249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956635A (en) * | 2016-10-17 | 2018-04-24 | 江苏恒威机械制造有限公司 | A kind of hydraulic motor |
-
2011
- 2011-06-29 CN CN2011202263499U patent/CN202209249U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956635A (en) * | 2016-10-17 | 2018-04-24 | 江苏恒威机械制造有限公司 | A kind of hydraulic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20130629 |