CN211202660U - Universal shaft structure of centering type positioning installation - Google Patents
Universal shaft structure of centering type positioning installation Download PDFInfo
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- CN211202660U CN211202660U CN201922452273.0U CN201922452273U CN211202660U CN 211202660 U CN211202660 U CN 211202660U CN 201922452273 U CN201922452273 U CN 201922452273U CN 211202660 U CN211202660 U CN 211202660U
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Abstract
The utility model relates to a universal shaft structure for centering positioning installation, which comprises a flange spline housing, wherein one end of the flange spline housing is connected with a flange fork II, and one end of the flange spline housing is connected with a flange fork I through a cross universal shaft; a cavity is arranged in a shaft core of the cross universal shaft, a positioning shaft is arranged in the cavity, and two ends of the positioning shaft are respectively arranged in the first flange fork and the second flange fork in a penetrating manner; a spring part is sleeved on the positioning shaft close to one end of the flange fork through a guide shaft sleeve and a sleeve, and a gland which slides along the inner wall of the sleeve and is abutted against the spring part is arranged at one end of the sleeve; the positioning shaft close to one end of the flange fork is provided with a conical head, a conical hole matched with the conical head is formed in the flange fork, and the conical hole extends to one end close to the flange spline housing to form a round hole with the diameter increased. The utility model discloses a neotype flange fork connection structure ensures that two flange forks do not have the inclination so that the transmission shaft with by the installation of drive shaft centering, in the normal course of operation after the installation, still satisfy universal spindle nose's normal rotation function.
Description
Technical Field
The utility model belongs to the technical field of the cardan shaft technique and specifically relates to an cardan shaft structure of centering type location installation.
Background
In the prior art, when the shaft end of the transmission shaft is connected with the driven shaft through the universal shaft head, due to the structural form of relative movable connection of the two flange forks of the universal shaft head, the flange fork close to the driven shaft side is caused to have a vehicle pull head (head lowering) condition relative to the flange fork close to the driving device side under the action of self gravity, namely, the two flange forks of the universal shaft head present angles, and cannot be centered and positioned, so that the field installation is time-consuming and labor-consuming, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The applicant provides a rational in infrastructure centering type location installation's cardan shaft structure to the shortcoming among the above-mentioned prior art of production, through the connection structure of neotype flange fork, when guaranteeing that two flange forks do not have the inclination so that transmission shaft and driven axle centering installation, in the normal course of working after the installation, still satisfy the normal rotation function of cardan shaft head.
The utility model discloses the technical scheme who adopts as follows:
a universal shaft structure for centering type positioning installation comprises a flange spline housing, wherein one end of the flange spline housing is connected with a flange yoke II, and one end of the flange yoke II is connected with a flange yoke I through a cross universal shaft; a cavity is arranged in a shaft core of the cross universal shaft, a positioning shaft is arranged in the cavity, and two ends of the positioning shaft are respectively arranged in the first flange fork and the second flange fork in a penetrating manner; a spring part is sleeved on the positioning shaft close to one end of the flange fork through a guide shaft sleeve and a sleeve, and a gland which slides along the inner wall of the sleeve and is abutted against the spring part is arranged at one end of the sleeve; the positioning shaft close to one end of the flange fork is provided with a conical head, a conical hole matched with the conical head is formed in the flange fork, and the conical hole extends to one end close to the flange spline housing to form a round hole with the diameter increased.
As a further improvement of the above technical solution:
the flange fork II and the flange fork I are identical in structure and are in a U-shaped seat structure, the U-shaped seat structure is provided with a base, fork arms are symmetrically arranged on two sides of the base, two shaft holes are symmetrically arranged on the two fork arms, and the cross universal shaft is provided with four shaft heads symmetrically arranged by taking a cavity of the cross universal shaft as a center; and the flange fork II is matched with the flange fork I, so that four shaft holes of the flange fork II and the flange fork I are respectively sleeved on the four shaft heads.
A through hole which is communicated with the cavity and is used for penetrating the guide shaft sleeve and the sleeve is formed in the base of the flange fork I; the conical hole and the round hole are axially arranged in the base of the flange fork II.
The fixed cover of guide shaft sleeve is established on the location axle, and the guide shaft sleeve includes the path section of the internal wall and the laminating of location axle outer wall, and its one end extends has the big footpath section that the diameter becomes big, big footpath section with muffjoint forms and supplies spring spare to carry out concertina movement to drive the annular cavity of location axle axial motion through the guide shaft sleeve.
The gland is fixedly arranged at the end part of the positioning shaft, one end of the gland, which is close to the spring element, extends along the radial direction to form a flange, and the flange slides along the inner wall of the sleeve to apply pressure to the spring element.
One end of the spring part is connected with the inner end face of the large-diameter section of the guide shaft sleeve through a gasket sleeved on the positioning shaft.
The end part of the sleeve is radially provided with a boss which is clamped with the flange fork.
And a sealing element is arranged on the contact surface between the guide shaft sleeve and the positioning shaft.
One end of the first flange fork, which is far away from the cross universal shaft, is connected with a roller end shaft sleeve.
The other end of the flange spline housing is connected with the driving mechanism through the flange spline shaft.
The utility model has the advantages as follows:
the utility model has the advantages of being compact and reasonable in structure, convenient operation through neotype flange fork connection structure, ensures that two flange forks do not have the inclination so that the transmission shaft with by the installation of drive shaft centering in, in the normal course of operation after the installation, still satisfy universal spindle nose's normal rotation function.
The utility model discloses a location axle keeps coaxially through cone and flange fork two under the spring part pretightning force effect, simultaneously because the supporting role of location axle, makes flange fork one and flange fork two keep coaxially, effectively avoids flange fork one to bow under self gravity condition to when ensureing the installation, flange fork two of being connected with the drive end and the flange fork centering of being connected with roll end axle sleeve (do not have the inclination between flange fork one and the flange fork two promptly), thereby greatly improve installation accuracy and installation effectiveness.
The utility model discloses after accomplishing the installation, through roll end shaft sleeve installation roll, the terminal surface extrusion gland of roll axle can drive the location axle and move right, and the conical hole of cone and flange fork two breaks away from to make and to realize normal swing function again between flange fork two and the flange fork one.
Drawings
Fig. 1 is a schematic structural diagram of an implementation state of the present invention.
Fig. 2 is a partially enlarged sectional view of the mounting structure between the first flange yoke and the second flange yoke in fig. 1.
Fig. 3 is a schematic structural diagram of the flange yoke ii of the present invention.
Fig. 4 is a side view of fig. 3.
Fig. 5 is a top view of the cross universal shaft of the present invention.
Fig. 6 is a schematic structural view of the guide shaft sleeve of the present invention.
Fig. 7 is a schematic structural view of the sleeve of the present invention.
Fig. 8 is a schematic structural view of the positioning shaft of the present invention.
Fig. 9 is a schematic structural view of the gland of the present invention.
Wherein: 1. a first flange fork; 2. a cross cardan shaft; 3. a flange fork II; 4. a roll end sleeve; 5. a gasket; 6. a gland; 7. a sleeve; 8. a flange spline housing; 9. a flange spline shaft; 10. a spring member; 11. a reducer cross joint assembly; 12. connecting a speed reducer end shaft sleeve; 13. a guide shaft sleeve; 14. positioning the shaft; 15. a seal member; 21. a shaft head; 22. a cavity; 31. a taper hole; 32. a circular hole; 33. a base; 34. a shaft hole; 35. A yoke; 61. a flange; 71. a boss; 131. a small diameter section; 132. a large diameter section; 141. a conical head.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the centering type positioning-mounted universal shaft structure of the embodiment includes a flange spline housing 8, one end of the flange spline housing 8 is connected with a flange yoke ii 3, and one end of the flange yoke ii 3 is connected with a flange yoke i 1 through a cross universal shaft 2; a cavity 22 is arranged in the shaft core of the cross universal shaft 2, a positioning shaft 14 is arranged in the cavity, and two ends of the positioning shaft 14 are respectively arranged in the first flange fork 1 and the second flange fork 3 in a penetrating manner; a spring piece 10 is sleeved on a positioning shaft 14 close to one end of the flange fork I1 through a guide shaft sleeve 13 and a sleeve 7, and a gland 6 which slides along the inner wall of the sleeve 7 and is abutted against the spring piece 10 is arranged at one end of the sleeve 7; the positioning shaft 14 close to one end of the second flange yoke 3 is provided with a conical head 141, a conical hole 31 matched with the conical head 141 is formed in the second flange yoke 3, and a round hole 32 with the diameter increased extends from the conical hole 31 to one end close to the flange spline housing 8.
As shown in fig. 3-5, the flange yoke two 3 and the flange yoke one 1 have the same structure, and both have a U-shaped seat structure, the U-shaped seat structure has a base 33, two fork arms 35 are symmetrically arranged on two sides of the base 33, two shaft holes 34 are symmetrically arranged on the two fork arms 35, and the cross universal shaft 2 has four shaft heads 21 symmetrically arranged with the cavity 22 as the center; the flange fork II 3 is matched with the flange fork I1, so that the four shaft holes 34 of the flange fork II 3 and the flange fork I1 are respectively sleeved on the four shaft heads 21.
A through hole which is communicated with the cavity 22 and is used for penetrating the guide shaft sleeve 13 and the sleeve 7 is formed in the base 33 of the first flange fork 1; the base 33 of the flange yoke II 3 is provided with a taper hole 31 and a round hole 32 along the axial direction.
As shown in fig. 6 to 9, the guiding shaft sleeve 13 is fixedly sleeved on the positioning shaft 14, the guiding shaft sleeve 13 includes a small diameter section 131 whose inner wall is attached to the outer wall of the positioning shaft 14, a large diameter section 132 whose diameter is enlarged extends from one end of the guiding shaft sleeve 13, and the large diameter section 132 is connected to the sleeve 7 to form an annular cavity for the spring element 10 to perform telescopic movement and drive the positioning shaft 14 to axially move through the guiding shaft sleeve 13. The end part of the sleeve 7 is radially provided with a boss 71 clamped with the flange fork I1.
Referring to fig. 2, the pressing cover 6 is fixedly installed at the end of the positioning shaft 14, and a flange 61 extends from one end of the pressing cover 6 close to the spring element 10 in the radial direction, and the flange 61 slides along the inner wall of the sleeve 7 to apply pressure to the spring element 10. One end of the spring element 10 is connected with the inner end face of the large-diameter section 132 of the guide shaft sleeve 13 through a washer 5 sleeved on the positioning shaft 14.
A sealing member 15 is mounted on a contact surface between the guide bush 13 and the positioning shaft 14.
As shown in fig. 1, one end of the flange yoke 1 far away from the cross universal shaft 2 is connected with a roller end shaft sleeve 4. The other end of the flange spline housing 8 is connected with a driving mechanism through a flange spline shaft 9.
The flange yoke I1 and the flange yoke II 3 are connected through the cross universal shaft 2, and the arrangement of the total four shaft holes 34 of the flange yoke I1 and the flange yoke II 3 at the spatial positions respectively corresponds to the four shaft heads 21 of the cross universal shaft 2, so that the flange yoke I1 and the flange yoke II 3 are connected into a whole; the positioning shaft 14 is installed by utilizing the cavity 22 at the position of the shaft core of the cross universal shaft 2, so that the positioning shaft 14 penetrates through the base 33 of the flange fork I1 and the flange fork II 3 simultaneously.
As shown in fig. 2 and 8, the right end of the positioning shaft 14 is a conical head 141 having a matching conical surface of the inner conical hole 31 of the flange yoke two 3, the spring element 10 is installed at the left end of the positioning shaft 14 and installed in the sleeve 7 and the guide sleeve 13 together with the positioning shaft 14, one end is connected with the inner end surface of the large diameter section 132, and the pressing cover 6 presses the spring element 10 inside the sleeve 7 and the guide sleeve 13 from the other end and is fastened on the left end surface of the positioning shaft 14 by bolts. The spring member 10 may be a spring coil, a disc spring, or the like.
The positioning shaft 14 keeps coaxial with the flange fork II 3 through the conical head 141 under the action of the spring element 10 pretightening force, and simultaneously, the flange fork I1 and the flange fork II 3 keep coaxial due to the supporting action of the positioning shaft 14, so that the flange fork I1 is effectively prevented from lowering under the self gravity condition, and therefore when the installation is ensured, the flange fork II 3 connected with the driving end is aligned with the flange fork I1 connected with the roller end shaft sleeve 4 (namely, no inclination angle exists between the flange fork I1 and the flange fork II 3), and the installation precision and the installation efficiency are greatly improved.
After the installation, as shown in fig. 1, a roller (driven device, not shown in the figure) is installed through the roller end shaft sleeve 4, the end surface of the roller shaft extrudes the gland 6, the gland 6 drives the positioning shaft 14 to move rightwards together, the conical head 141 of the positioning shaft 14 moves rightwards to the position of the round hole 32 and is separated from the conical hole 31 of the flange fork II 3, and the normal swinging function can be realized between the flange fork II 3 and the flange fork I1.
The driving mechanism of the present embodiment is a speed reducer (not shown in the drawings), and in a specific implementation, as shown in fig. 1, the flange spline shaft 9 is connected to a speed reducer end sleeve 12 through a speed reducer cross joint assembly 11.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (10)
1. The utility model provides a cardan shaft structure of centering location installation which characterized in that: the flange spline sleeve is characterized by comprising a flange spline sleeve (8), wherein one end of the flange spline sleeve (8) is connected with a second flange fork (3), and one end of the second flange fork (3) is connected with a first flange fork (1) through a cross universal shaft (2); a cavity (22) is arranged in a shaft core of the cross universal shaft (2), a positioning shaft (14) is arranged in the cavity, and two ends of the positioning shaft (14) are respectively arranged in the first flange fork (1) and the second flange fork (3) in a penetrating manner;
a spring piece (10) is sleeved on a positioning shaft (14) close to one end of the flange fork I (1) through a guide shaft sleeve (13) and a sleeve (7), and a gland (6) which slides along the inner wall of the sleeve (7) and is abutted against the spring piece (10) is arranged at one end of the sleeve (7);
the locating shaft (14) close to one end of the second flange fork (3) is provided with a conical head (141), a conical hole (31) matched with the conical head (141) is formed inside the second flange fork (3), and the conical hole (31) extends to one end close to the flange spline housing (8) to form a round hole (32) with the diameter increased.
2. The centrally located mounted cardan shaft structure according to claim 1, wherein: the flange fork II (3) and the flange fork I (1) are identical in structure and are in a U-shaped seat structure, the U-shaped seat structure is provided with a base (33), fork arms (35) are symmetrically arranged on two sides of the base (33), two shaft holes (34) are symmetrically arranged on the two fork arms (35), and the cross universal shaft (2) is provided with four shaft heads (21) symmetrically arranged by taking a cavity (22) of the cross universal shaft as a center; the flange fork II (3) is matched with the flange fork I (1), so that the four shaft holes (34) of the flange fork II (3) and the flange fork I (1) are respectively sleeved on the four shaft heads (21).
3. The centrally located mounted cardan shaft structure according to claim 2, wherein: a through hole which is communicated with the cavity (22) and is used for penetrating the guide shaft sleeve (13) and the sleeve (7) is arranged in a base (33) of the first flange fork (1); the conical hole (31) and the round hole (32) are axially arranged in the base (33) of the second flange fork (3).
4. A centrally located mounted cardan shaft structure according to claim 3, wherein: the fixed cover of guide shaft sleeve (13) is established on location axle (14), and guide shaft sleeve (13) include minor diameter section (131) of inner wall and the laminating of location axle (14) outer wall, and its one end extends and has diameter major diameter section (132) that become big, major diameter section (132) with sleeve (7) are connected, form and supply spring spare (10) to carry out concertina movement to drive location axle (14) axial motion's annular cavity through guide shaft sleeve (13).
5. The centered position mounted cardan shaft structure according to claim 4, wherein: the pressing cover (6) is fixedly arranged at the end part of the positioning shaft (14), one end of the pressing cover (6) close to the spring piece (10) extends along the radial direction to form a flange (61), and the flange (61) slides along the inner wall of the sleeve (7) to apply pressure to the spring piece (10).
6. The centered position mounted cardan shaft structure according to claim 5, wherein: one end of the spring element (10) is connected with the inner end face of the large-diameter section (132) of the guide shaft sleeve (13) through a gasket (5) sleeved on the positioning shaft (14).
7. The centered position mounted cardan shaft structure according to claim 4, wherein: and a boss (71) clamped with the flange fork I (1) is arranged at the end part of the sleeve (7) along the radial direction.
8. The centrally located mounted cardan shaft structure according to claim 1, wherein: a sealing element (15) is arranged on the contact surface between the guide shaft sleeve (13) and the positioning shaft (14).
9. The centrally located mounted cardan shaft structure according to claim 1, wherein: one end of the first flange fork (1) far away from the cross universal shaft (2) is connected with a roller end shaft sleeve (4).
10. The centrally located mounted cardan shaft structure according to claim 1, wherein: the other end of the flange spline housing (8) is connected with a driving mechanism through a flange spline shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922452273.0U CN211202660U (en) | 2019-12-30 | 2019-12-30 | Universal shaft structure of centering type positioning installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922452273.0U CN211202660U (en) | 2019-12-30 | 2019-12-30 | Universal shaft structure of centering type positioning installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202660U true CN211202660U (en) | 2020-08-07 |
Family
ID=71851114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922452273.0U Active CN211202660U (en) | 2019-12-30 | 2019-12-30 | Universal shaft structure of centering type positioning installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202660U (en) |
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2019
- 2019-12-30 CN CN201922452273.0U patent/CN211202660U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Universal shaft structure for centering positioning installation Effective date of registration: 20211210 Granted publication date: 20200807 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Binhu branch Pledgor: Tangmo transmission machinery (Wuxi) Co.,Ltd. Registration number: Y2021320010542 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |