CN210461448U - Spline type universal spindle capable of preventing rotation loss - Google Patents
Spline type universal spindle capable of preventing rotation loss Download PDFInfo
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- CN210461448U CN210461448U CN201920790633.5U CN201920790633U CN210461448U CN 210461448 U CN210461448 U CN 210461448U CN 201920790633 U CN201920790633 U CN 201920790633U CN 210461448 U CN210461448 U CN 210461448U
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- spline
- wedge
- voussoir
- fixed
- spline shaft
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Abstract
The utility model discloses a can prevent to lose spline formula universal joint axle of commentaries on classics, it includes integral key shaft, spline shaft sleeve, adjustment voussoir, fixed voussoir and adjusting bolt, the integral key shaft inserts spline shaft sleeve and meshes through spline and adjustment voussoir and spline shaft sleeve after passing the centre bore of adjustment voussoir, fixed voussoir is fixed on the spline shaft sleeve, one side that the fixed voussoir of adjustment voussoir orientation was equipped with the wedge boss, is equipped with the wedge groove corresponding with the wedge boss on fixed voussoir, the unilateral cell wall contact of wedge boss and wedge groove, adjusting bolt passes the screw hole on the fixed voussoir of screw in behind the through-hole on the adjustment voussoir. The utility model discloses utilize the wedge boss on the adjustment voussoir and the cooperation between the wedge groove on the fixed voussoir, make and produce relative torque between integral key shaft and the spline shaft sleeve, force the spline driving surface between the two and closely laminate to avoid "losing commentaries on classics" phenomenon, guaranteed transmission stability, prolonged universal spindle's life.
Description
Technical Field
The utility model relates to a spline formula universal spindle can avoid "losing the commentaries on classics" phenomenon because of the transmission that the increase of spline backlash leads to, improves universal spindle drive's stability, belongs to transmission technical field.
Background
With the large-scale of the manufacturing equipment in China, the requirement on the stability of power transmission is higher and higher. The spline type universal spindle is a transmission device widely used in heavy industrial production equipment, and mainly comprises a spline shaft and a spline shaft sleeve (see figure 1) which are meshed with each other through a spline, in the operation process of the equipment, as the spline is continuously impacted and abraded, the spline backlash is gradually increased, and after the backlash is increased, the phenomenon of transmission ' losing rotation ' can occur, so that the transmission stability is reduced, particularly for equipment with periodic change of power, the phenomenon of losing rotation ' is particularly obvious, when the transmission stability can not meet the technological requirements, the universal spindle with high cost can be scrapped, and therefore great economic loss is caused for enterprises.
At present, a mature process technology for repairing the tooth clearance of the spline type universal spindle is not available in China, so that the problem of how to eliminate the influence on the transmission stability after the tooth clearance of the universal spindle is increased is faced by related technical personnel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the drawback of prior art, provide a can prevent to lose the spline formula universal spindle of commentaries on classics to eliminate the influence that universal spindle backlash increase caused transmission stability.
The problem of the utility model is realized with following technical scheme:
the utility model provides a can prevent to lose spline formula universal joint axle of commentaries on classics, includes integral key shaft, spline shaft sleeve, adjustment voussoir, fixed voussoir and adjusting bolt in the constitution, the integral key shaft passes and inserts spline shaft sleeve and through spline and adjustment voussoir and spline shaft sleeve meshing behind the centre bore of adjustment voussoir, fixed voussoir is fixed on the integral key shaft sleeve, one side that the adjustment voussoir was fixed voussoir towards is equipped with the wedge boss, is equipped with the wedge groove corresponding with the wedge boss on fixed voussoir, the unilateral cell wall contact of wedge boss and wedge groove, adjusting bolt passes the screw hole on the fixed voussoir of screw in after the through.
The spline type universal spindle capable of preventing rotation loss is characterized in that 3-5 wedge-shaped bosses on the adjusting wedge block are uniformly distributed around the axis of the spline shaft.
According to the spline type universal spindle capable of preventing lost rotation, one surface of the wedge-shaped boss on the adjusting wedge block, which is far away from the axis of the spline shaft, is in the shape of an isosceles trapezoid, and the inclination of two waist lines of the isosceles trapezoid relative to the bisector is 1: 25.
The spline type universal spindle capable of preventing rotation loss is characterized in that the fixed wedge block is connected with the spline shaft sleeve in a welding mode.
According to the spline type universal spindle capable of preventing the rotation loss, the difference between the diameters of the adjusting bolt and the through hole in the adjusting wedge block is not less than 2 mm.
The utility model discloses utilize the asymmetric cooperation between the wedge boss on the adjustment voussoir and the wedge groove on the fixed voussoir, make and produce relative torque between integral key shaft and the spline shaft sleeve, force the driving surface of spline between the two and closely laminate to avoided the spline backlash increase to cause "lose commentaries on classics" phenomenon, guaranteed universal joint driven stability, prolonged universal joint's life.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the engagement of a spline shaft with a spline housing;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a schematic structural view of a fixed wedge, wherein FIG. 3 (a) is a front view and FIG. 3 (b) is a left side view;
fig. 4 is a schematic structural view of the adjustment wedge, wherein fig. 4 (a) is a front view, and fig. 4 (b) is a left view.
The figures are labeled as follows: 1. the spline shaft sleeve comprises a spline shaft sleeve body 2, a fixed wedge block 2-1, a wedge-shaped groove 2-2, a threaded hole 3, an adjusting wedge block 3-1, a wedge-shaped boss 3-2, a through hole 3-3, a spline 4, a spline shaft 5, an adjusting bolt 6 and a spline backlash.
Detailed Description
The utility model discloses to spline formula universal joint axle general for one-way biography power and the characteristics of the power moment periodic variation that pass, add the device that can eliminate spline backlash influence on traditional universal joint axle, effectively improved universal joint axle driven stability to the purpose that improves universal joint axle life has been reached.
Referring to fig. 2-4, the utility model relates to a composite set mainly includes spline shaft sleeve 1, fixed voussoir 2, adjustment voussoir 3, integral key shaft 4 and adjusting bolt 5, and wherein fixed voussoir 2 is through its centre bore suit and welding in spline shaft sleeve 1 outside, and adjustment voussoir 3 passes through spline and integral key shaft 4 meshing, and the number of teeth and the modulus of the two splines are with unanimous.
After the fixed wedge block 2 is pre-installed in place, the final welding position and angle of the fixed wedge block 2 are determined according to the transmission direction of the universal spindle.
4 wedge-shaped bosses 3-1 are uniformly distributed on the adjusting wedge block 3, the outward surface of each wedge-shaped boss 3-1 is an isosceles trapezoid, and the inclination of the two sides of each isosceles trapezoid relative to the bisector is 1: 25. The fixed wedge block 2 is welded on the spline shaft sleeve 1, four wedge-shaped grooves 2-1 corresponding to the wedge-shaped bosses 3-1 are arranged on the fixed wedge block, and each wedge-shaped boss 3-1 is in sliding contact with the single-side groove wall of the corresponding wedge-shaped groove 2-1. In the process of fastening the adjusting bolt 5, the wedge-shaped boss 3-1 slides along the single-side groove wall corresponding to the wedge-shaped groove 2-1, and the spline shaft sleeve 1 and the spline shaft 4 rotate relatively, so that a spline tooth gap (transmission surface is tightly attached) between the spline shaft 4 and the spline shaft sleeve 1 in the main transmission direction can be eliminated.
The utility model discloses a use method: firstly, mounting an adjusting wedge block 3 on a spline shaft 4, and enabling a wedge-shaped boss 3-1 to face the direction of a spline shaft sleeve 1; secondly, preassembling the fixed wedge block 2 on the spline shaft sleeve 1, and enabling the wedge-shaped groove 2-1 to correspond to the adjusting wedge block 3 oppositely; and then, the position of the fixed wedge block 2 is determined according to the main transmission direction of the spline type universal spindle, before the fixed wedge block 2 is welded, the wedge block meshing amount is controlled to be 8-10mm (the reserved tooth clearance adjustment amount is about 1.5 mm), the fixed wedge block 2 is effectively welded and fixed on the spline tooth sleeve 1, the adjusting bolt 5 can be uniformly screwed, the spline tooth clearance 6 deflects to the direction deviating from the main transmission direction along with the screwing of the adjusting bolt 5, and after the spline tooth clearance is completely adjusted to the direction deviating from the main transmission direction, the spline shaft is tightly attached to the spline transmission surface of the spline tooth sleeve in the main transmission direction, so that the transmission stability is improved, the phenomenon of 'lost rotation' caused by the increase of the spline tooth clearance is effectively eliminated, and the service life of the spline type universal spindle is prolonged.
Claims (5)
1. The spline type universal spindle capable of preventing loss and rotation is characterized by comprising a spline shaft (4), a spline shaft sleeve (1), an adjusting wedge block (3), a fixed wedge block (2) and an adjusting bolt (5), wherein the spline shaft (4) penetrates through a center hole of the adjusting wedge block (3) and then is inserted into the spline shaft sleeve (1) and is meshed with the adjusting wedge block (3) and the spline shaft sleeve (1) through a spline, the fixed wedge block (2) is fixed on the spline shaft sleeve (1), one side, facing the fixed wedge block (2), of the adjusting wedge block (3) is provided with a wedge-shaped boss (3-1), a wedge-shaped groove (2-1) corresponding to the wedge-shaped boss (3-1) is formed in the fixed wedge block (2), the wedge-shaped boss (3-1) is in contact with the single-side groove wall of the wedge-shaped groove (2-1), and the adjusting bolt (5) penetrates through a through hole (3-2) in the adjusting wedge block (3) The screw hole (2-2).
2. The spline type universal joint shaft capable of preventing lost motion according to claim 1, wherein 3-5 wedge-shaped bosses (3-1) are provided on the adjusting wedge (3), and are uniformly distributed around the axis of the spline shaft (4).
3. Spline type universal joint shaft preventing loss of rotation according to claim 1 or 2, characterized in that the face of the wedge boss (3-1) on the adjusting wedge (3) away from the axis of the spline shaft (4) is in the shape of an isosceles trapezoid, and the inclination of the two waistlines of the isosceles trapezoid to the bisector is 1: 25.
4. A spline type universal joint shaft capable of preventing lost motion according to claim 3, wherein the fixing wedge (2) is connected with the spline housing (1) by welding.
5. A spline type universal joint shaft preventing slip according to claim 4, wherein the difference between the diameters of the adjusting bolt (5) and the through hole (3-2) of the adjusting wedge (3) is not less than 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920790633.5U CN210461448U (en) | 2019-05-29 | 2019-05-29 | Spline type universal spindle capable of preventing rotation loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920790633.5U CN210461448U (en) | 2019-05-29 | 2019-05-29 | Spline type universal spindle capable of preventing rotation loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461448U true CN210461448U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920790633.5U Active CN210461448U (en) | 2019-05-29 | 2019-05-29 | Spline type universal spindle capable of preventing rotation loss |
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| Country | Link |
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| CN (1) | CN210461448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195746A (en) * | 2019-05-29 | 2019-09-03 | 宣化钢铁集团有限责任公司 | A kind of spline universal-joint spindle for preventing from throwing switch |
-
2019
- 2019-05-29 CN CN201920790633.5U patent/CN210461448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195746A (en) * | 2019-05-29 | 2019-09-03 | 宣化钢铁集团有限责任公司 | A kind of spline universal-joint spindle for preventing from throwing switch |
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