CN211623983U

CN211623983U - Spline shaft end fixing device

Info

Publication number: CN211623983U
Application number: CN202020058406.6U
Authority: CN
Inventors: 李佳阳
Original assignee: Jiangsu Huaruiye Mining Electric Machinery Co ltd
Current assignee: Jiangsu Huaruiye Mining Electric Machinery Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-10-02
Anticipated expiration: 2030-01-13

Abstract

The utility model belongs to the technical field of spline shaft fixing, in particular to a spline shaft end fixing device, which comprises a spline shaft body, a transition shaft head, a connecting column, a first connecting cylinder and a second connecting cylinder, wherein the opposite surfaces of the spline shaft body and the transition shaft head are provided with clamping grooves; the utility model discloses, through setting up the draw-in groove, the cardboard, the through-hole, screw thread post and screw cap, after the wearing and tearing of transition spindle nose, the screw cap is unscrewed to the accessible, make screw thread post and through-hole break away from, make cardboard and draw-in groove break away from, make integral key shaft body and transition spindle nose separation, can change the transition spindle nose, simpler convenient more, the work efficiency is improved, and more firm to the fixed with the transition spindle nose of integral key shaft, through setting up first connecting cylinder, the second connecting cylinder, internal thread and external screw thread, make first connecting cylinder and second connecting cylinder can separate with the spliced pole, the convenience is dismantled the device, when the damage appears, more convenience is changed to the spliced pole to the convenience.

Description

Spline shaft end fixing device

Technical Field

The utility model belongs to the technical field of the integral key shaft is fixed, concretely relates to spline shaft end fixing device.

Background

The spline shaft is connected with the gear, the gear is connected with the coupler, the spline shaft only needs to bear torque under the normal transmission condition, but can bear the circumferential rotary impact of the pinion when the engine is started and stopped, and if the dynamic balance of the gear is poor, radial runout is caused, radial impact is generated on the spline shaft, so that the spline on the spline shaft can generate serious abrasion, the shock absorption effect of the coupler can be poor, and once the coupler breaks down, the maintenance difficulty is high.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a spline shaft end fixing device has and dismantles convenient characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spline shaft end fixing device, includes integral key shaft body, transition spindle nose, spliced pole, first connecting cylinder and second connecting cylinder, the draw-in groove has all been seted up to the opposite face of integral key shaft body and transition spindle nose, the equal fixedly connected with cardboard in two sides of spliced pole, two the cardboard swing joint is respectively in two draw-in grooves, the side of spliced pole is provided with the external screw thread, all be provided with the internal thread on the inner wall of first connecting cylinder and second connecting cylinder, first connecting cylinder and second connecting cylinder all with spliced pole threaded connection, the through-hole has all been seted up to the side of first connecting cylinder, second connecting cylinder, integral key shaft body and cardboard, swing joint has the screw thread post in the through-hole, the equal threaded connection in both ends of screw thread post has the screw cap.

Preferably, the bottom of the threaded cap is provided with a groove, the inner wall of the groove is fixedly connected with a spring, and the spring is movably sleeved on the surface of the threaded column.

Preferably, the through holes in the first connecting cylinder, the clamping plate and the transition shaft head correspond to each other in position, and the through holes in the second connecting cylinder, the spline shaft body and the other clamping plate correspond to each other in position.

Preferably, the transition shaft head is made of high-grade nitrided steel and has high hardness.

Preferably, the size and the position of the two clamping grooves correspond to the size and the position of the two clamping plates.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through setting up the draw-in groove, the cardboard, the through-hole, screw thread post and screw cap, after the wearing and tearing of transition spindle nose, the screw cap is unscrewed to the accessible, make screw thread post and through-hole break away from, make cardboard and draw-in groove break away from, make integral key shaft body and transition spindle nose separation, can change the transition spindle nose, simpler convenient more, and easy operation, the work efficiency is improved, and more firm to spline axle and transition spindle nose are fixed, through setting up first connecting cylinder, the second connecting cylinder, internal thread and external screw thread, make first connecting cylinder and second connecting cylinder can separate with the spliced pole, the convenience is dismantled the device, when the damage appears, more convenience is changed to the spliced pole to the convenience.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is an enlarged schematic structural view of the position A of the present invention;

in the figure: 1. a spline shaft body; 2. a transition shaft head; 3. connecting columns; 4. clamping a plate; 5. a through hole; 6. A card slot; 7. a first connecting cylinder; 8. a second connecting cylinder; 9. an external thread; 10. an internal thread; 11. a threaded post; 12. a threaded cap; 13. a groove; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: a spline shaft end fixing device comprises a spline shaft body 1, a transition shaft head 2, a connecting column 3, a first connecting cylinder 7 and a second connecting cylinder 8, wherein the opposite surfaces of the spline shaft body 1 and the transition shaft head 2 are respectively provided with a clamping groove 6, two side surfaces of the connecting column 3 are respectively and fixedly connected with a clamping plate 4, the two clamping plates 4 are respectively and movably connected into the two clamping grooves 6, the side surface of the connecting column 3 is provided with an external thread 9, the inner walls of the first connecting cylinder 7 and the second connecting cylinder 8 are respectively provided with an internal thread 10, the first connecting cylinder 7 and the second connecting cylinder 8 are respectively in threaded connection with the connecting column 3, the side surfaces of the first connecting cylinder 7, the second connecting cylinder 8, the spline shaft body 1 and the clamping plates 4 are respectively provided with a through hole 5, a threaded column 11 is movably connected into the through hole 5, and two ends of the threaded column 11 are respectively in threaded connection, through setting up draw-in groove 6, cardboard 4, through-hole 5, screw thread post 11 and screw cap 12, after transition spindle nose 2 wearing and tearing, screw cap 12 is unscrewed to the accessible, make screw thread post 11 break away from with through-hole 5, make cardboard 4 break away from with draw-in groove 6, make integral key shaft body 1 and transition spindle nose 2 separation, can change transition spindle nose 2, it is simple more convenient, and easy operation, and work efficiency is improved, and more firm to spline shaft and transition spindle nose 2 are fixed, through setting up first connecting cylinder 7, second connecting cylinder 8, internal thread 10 and external screw thread 9, make first connecting cylinder 7 and second connecting cylinder 8 can separate with spliced pole 3, the convenience is dismantled the device, when the damage appears, conveniently change more convenience to spliced pole 3.

Specifically, recess 13 has been seted up to the bottom of screw cap 12, fixedly connected with spring 14 on the inner wall of recess 13, spring 14 activity cup joints on the surface of screw thread post 11, through setting up spring 14, more firm to screw thread post 11 is fixed, more firm to transition spindle nose 2 is fixed.

Specifically, the positions of the through holes 5 in the first connecting cylinder 7, the clamping plate 4 and the transition shaft head 2 correspond to each other, and the positions of the through holes 5 in the second connecting cylinder 8, the spline shaft body 1 and the other clamping plate 4 correspond to each other.

Specifically, the transition shaft head 2 is made of high-grade nitrided steel, and has high hardness, strong wear resistance and better contact load resistance.

Specifically, the size and the position of the two card slots 6 correspond to the size and the position of the two card plates 4.

The utility model discloses a theory of operation and use flow: the utility model discloses, when using, after 2 wearing and tearing of transition spindle nose, accessible unscrewing screw cap 12, make screw thread post 11 break away from with through-hole 5, make cardboard 4 break away from with draw-in groove 6, make integral key shaft body 1 and the separation of transition spindle nose 2, can change transition spindle nose 2, separate first connecting cylinder 7 and second connecting cylinder 8 and spliced pole 3, it is more convenient to change spliced pole 3 conveniently, make more firm that screw thread post 11 is fixed through spring 14, more firm to transition spindle nose 2 is fixed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a spline shaft end fixing device, includes integral key shaft body (1), transition spindle nose (2), spliced pole (3), first connecting cylinder (7) and second connecting cylinder (8), its characterized in that: the opposite surfaces of the spline shaft body (1) and the transition shaft head (2) are both provided with a clamping groove (6), two side surfaces of the connecting column (3) are fixedly connected with clamping plates (4), the two clamping plates (4) are respectively and movably connected in two clamping grooves (6), the side surface of the connecting column (3) is provided with an external thread (9), the inner walls of the first connecting cylinder (7) and the second connecting cylinder (8) are both provided with an internal thread (10), the first connecting cylinder (7) and the second connecting cylinder (8) are both in threaded connection with the connecting column (3), the side surfaces of the first connecting cylinder (7), the second connecting cylinder (8), the spline shaft body (1) and the clamping plate (4) are all provided with through holes (5), the screw thread post (11) is movably connected in the through hole (5), and the two ends of the screw thread post (11) are both in threaded connection with screw thread caps (12).

2. The spline shaft end fixing device according to claim 1, wherein: the bottom of the threaded cap (12) is provided with a groove (13), the inner wall of the groove (13) is fixedly connected with a spring (14), and the spring (14) is movably sleeved on the surface of the threaded column (11).

3. The spline shaft end fixing device according to claim 1, wherein: the positions of the through holes (5) in the first connecting cylinder (7), the clamping plate (4) and the transition shaft head (2) are corresponding, and the positions of the through holes (5) in the second connecting cylinder (8), the spline shaft body (1) and the other clamping plate (4) are corresponding.

4. The spline shaft end fixing device according to claim 1, wherein: the transition shaft head (2) is made of high-grade nitrided steel and has high hardness.

5. The spline shaft end fixing device according to claim 1, wherein: the size and the position of the two clamping grooves (6) correspond to those of the two clamping plates (4).