CN221003553U - Spline connecting shaft - Google Patents

Abstract

The utility model belongs to the technical field of spline shaft equipment, and particularly relates to a spline connecting shaft which comprises a shaft body, wherein one side of the shaft body is provided with a plurality of slots, all the slots are arranged in an annular array, spline lugs are inserted into all the slots, one side of the shaft body, which is positioned on the slots, is provided with a plurality of threaded holes, all the threaded holes are arranged in an annular array, one side of the shaft body is provided with a fastening block, the fastening block is provided with a plurality of threaded through holes, and the threaded through holes are arranged in an annular array. According to the utility model, through the slots and the spline lugs, when certain spline lugs are worn to influence the use, only the spline lugs with larger wear are required to be replaced, the integral replacement of the spline shaft is not required, the resources are saved, and the waste is avoided.

Description

Spline connecting shaft

Technical Field

The utility model relates to the technical field of spline shaft equipment, in particular to a spline connecting shaft.

Background

The spline shaft is mechanically driven, and has the same function as that of flat key, semi-circular key and inclined key, and is used to transmit mechanical torque. While rotating, some may also slide longitudinally on the shaft, such as a gearbox shift gear or the like.

When the spline shaft sleeve is used on the corresponding key groove of the rotating piece, the spline on the spline shaft is easy to wear under the influence of temperature and stains, the degree of wear of the spline on the spline shaft is different, when one spline bulge is worn to greatly influence normal use, the whole spline shaft needs to be replaced, but all other spline bulges are worn to normally, and the spline shaft sleeve can be used, so that waste is easily caused.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a spline connecting shaft, which solves the problems that when a spline shaft sleeve is used on a corresponding key groove on a rotating part, the spline on the spline shaft is easy to wear, different wear degrees of the spline on the spline shaft are easy to cause under the influence of temperature and stains, when one spline bulge is worn to greatly influence normal use, the whole spline shaft needs to be replaced, but all other spline bulges are worn normally and can be used, and waste is easy to cause.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a spline connecting axle, includes the axis body, axis body one side is equipped with a plurality of slots, all the slot is annular array setting, all peg graft spline lug in the slot, the axis body is located one side of slot and is equipped with a plurality of screw holes, all the screw hole is annular array setting, one side of axis body is equipped with the fastening piece, be equipped with a plurality of screw thread through-holes on the fastening piece, the screw thread through-hole is annular array setting, and the quantity of screw thread through-hole is the same with the quantity of screw hole, screw thread through-hole aligns with the screw hole, screw hole and screw thread through-hole internal thread connecting bolt.

As a preferable technical scheme of the utility model, one side of the shaft body is provided with an annular jack at the thread groove, the annular jack and the thread hole are positioned on a unified axis, one side of the fastening block is fixedly connected with a plurality of circular rings, and the circular rings are matched with the annular jack.

As a preferable technical scheme of the utility model, a square cavity is arranged in the shaft body, a plurality of oil delivery holes are arranged on the side wall of the square cavity, the oil delivery holes are communicated with the slots, circular through holes are formed in all spline lugs, and the circular through holes are aligned with the oil delivery holes.

As a preferable technical scheme of the utility model, an oil adding port is arranged on one side of the shaft body, the oil adding port is communicated with the square cavity, and one side of the fastening block is fixedly connected with the sealing plug.

As a preferable technical scheme of the utility model, the square cavity is slidably connected with the balancing weight, and one side of the balancing weight, which is close to the oil adding port, is fixedly connected with the rubber piston.

As a preferable technical scheme of the utility model, the bottom of the square cavity is rotationally connected with a threaded rod, and the threaded rod is in threaded connection with the balancing weight.

As a preferable technical scheme of the utility model, the bottom of the shaft body is provided with the mounting groove, the threaded rod penetrates through the shaft body, one end of the threaded rod is fixedly connected with the control block, and the control block is positioned in the mounting groove.

Compared with the prior art, the utility model provides the spline connecting shaft, which has the following beneficial effects:

1. This spline connecting axle, through setting up slot and spline lug, the spline lug is pegged graft in the slot, fixes the fastening piece on the axis body, and the fastening piece blocks all spline lugs simultaneously, and the stable stay of spline lug is in the slot, and the wearing and tearing of during the use receive the influence of temperature and spot, and the spline lug wearing and tearing of different positions are different, when certain spline lug wearing and tearing influence the use, only need change the great spline lug of wearing and tearing, need not carry out the integral replacement to the spline axle, saves the resource, avoids extravagant.

2. This spline connecting axle, through setting up square cavity, the threaded rod rotates, and threaded rod control balancing weight slides from top to bottom, and the balancing weight promotes the rubber piston and rises, promotes in lubricating oil gets into the slot through defeated oil hole, reduces the friction between spline lug and the axis body, and lubricating oil overflows through the circular through-hole on the spline lug simultaneously, and the coating is on spline lug surface, reduces the friction between spline lug and the spline groove, reduces the wearing and tearing to the spline lug, prolongs spline lug's life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic diagram of a slot on a shaft;

fig. 4 is an enlarged schematic view of the structure at E in fig. 2.

In the figure: 1.a shaft body; 2. a slot; 3. spline projections; 4. a threaded hole; 5. a fastening block; 6. a bolt; 7. an annular jack; 8. a circular ring; 9. an oil delivery hole; 10. a circular through hole; 11. an oil adding port; 12. a sealing plug; 13. balancing weight; 14. a rubber piston; 15. a threaded rod; 16. and (5) controlling the block.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the present embodiment: the utility model provides a spline connecting axle, including axis body 1, axis body 1 one side is equipped with a plurality of slots 2, all slots 2 are annular array setting, all peg graft spline lug 3 in all slots 2, axis body 1 is located one side of slots 2 and is equipped with a plurality of screw holes 4, all screw holes 4 are annular array setting, one side of axis body 1 is equipped with fastening block 5, be equipped with a plurality of screw thread through-holes on the fastening block 5, screw thread through-hole is annular array setting, screw thread through-hole's quantity is the same with screw hole 4, screw thread through-hole aligns with screw hole 4, screw hole 4 and screw thread through-hole internal thread connecting bolt 6, one side of axis body 1 is located screw thread groove department and is equipped with annular jack 7, annular jack 7 is in on the unified axis with screw hole 4, a plurality of ring 8 of fixed connection of one side of fastening block 5, ring 8 cooperatees with annular jack 7.

The spline lug 3 is inserted in the slot 2, all the circular rings 8 on the fastening block 5 are aligned with the annular insertion holes 7 and inserted, the circular rings 8 and the annular insertion holes 7 play a role in guiding, at the moment, the threaded through holes on the fastening block 5 are aligned with the threaded holes 4 on the shaft body 1, the bolts 6 are sequentially installed, the fastening block 5 is fixed on the shaft body 1, meanwhile, the fastening block 5 keeps all the spline lugs 3, the spline lugs 3 stably stay in the slot 2, the spline lugs 3 are inserted in the spline grooves during use, the spline lugs 3 are contacted with the spline grooves, the spline lugs 3 are worn and worn under the influence of temperature and stains when being stirred, the spline lugs 3 at different positions are worn and worn differently, and when certain spline lugs 3 are worn and worn to influence use, only the spline lugs 3 with larger wear are required to be replaced, the whole spline shaft is not required to be replaced, resources are saved, and waste is avoided.

Be equipped with square cavity in the axis body 1, square cavity's lateral wall is equipped with a plurality of oil transfer holes 9, oil transfer hole 9 and slot 2 intercommunication, all be equipped with circular through-hole 10 on the spline lug 3, circular through-hole 10 aligns with oil transfer hole 9, one side of axis body 1 is equipped with the oil filler mouth 11, oil filler mouth 11 and square cavity intercommunication, one side fixed connection sealing plug 12 of fastening piece 5, sliding connection balancing weight 13 in the square cavity, one side fixed connection rubber piston 14 that balancing weight 13 is close to oil filler mouth 11, square cavity bottom rotates and connects threaded rod 15, threaded rod 15 and balancing weight 13 threaded connection, the bottom of axis body 1 is equipped with the mounting groove, threaded rod 15 runs through axis body 1, the one end fixed connection control block 16 of threaded rod 15, control block 16 is located the mounting groove.

When installing spline lug 3, add lubricating oil in to square cavity through adding hydraulic fluid port 11, when installing fastening piece 5, block up the hydraulic fluid port 11 with sealing plug 12, avoid lubricating oil to spill over, later when spline lug 3 inserts the use in the spline groove, rotate control block 16, make threaded rod 15 rotate, threaded rod 15 control balancing weight 13 slide from top to bottom, balancing weight 13 promotes rubber piston 14 and rises, promote in lubricating oil gets into slot 2 through oil feed hole 9, reduce the friction between spline lug 3 and the axis body 1, the lubricating oil overflows through the circular through-hole 10 on spline lug 3 simultaneously, the coating is on spline lug 3 surface, reduce the friction between spline lug 3 and the spline groove, reduce the wearing and tearing to spline lug 3, the life of extension spline lug 3.

The working principle and the using flow of the utility model are as follows: spline lug 3 is pegged graft in slot 2, add lubricating oil in to square cavity through adding oil mouth 11, insert annular jack 7 with all ring 8 on the fastening piece 5, ring 8 and annular jack 7 play the guide effect, screw thread through-hole on the fastening piece 5 aligns with screw hole 4 on the axis body 1 this moment, install bolt 6 in proper order, fix the fastening piece 5 on the axis body 1, all spline lug 3 are kept off to the fastening piece 5 simultaneously, spline lug 3 remains steadily in slot 2, sealing plug 12 blocks up adding oil mouth 11, threaded rod 15 rotates, threaded rod 15 control balancing weight 13 slides from top to bottom, balancing weight 13 promotes rubber piston 14 to rise, promote lubricating oil to get into slot 2 through oil hole 9, simultaneously lubricating oil overflows through circular through-hole 10 on the spline lug 3, the coating is on spline lug 3 surface.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a spline connecting axle which characterized in that: including axis body (1), axis body (1) one side is equipped with a plurality of slots (2), all slot (2) are annular array setting, all peg graft spline lug (3) in slot (2), one side that axis body (1) is located slot (2) is equipped with a plurality of screw holes (4), all screw hole (4) are annular array setting, one side of axis body (1) is equipped with fastening block (5), be equipped with a plurality of screw thread through-holes on fastening block (5), screw thread through-hole is annular array setting, the quantity of screw thread through-hole is the same with the quantity of screw hole (4), screw thread through-hole aligns with screw hole (4), screw hole (4) and screw thread through-hole internal thread connecting bolt (6).

2. A spline shaft as defined in claim 1, wherein: one side of the shaft body (1) is provided with an annular jack (7) at the thread groove, the annular jack (7) and the threaded hole (4) are positioned on a unified axis, one side of the fastening block (5) is fixedly connected with a plurality of circular rings (8), and the circular rings (8) are matched with the annular jack (7).

3. A spline shaft as defined in claim 1, wherein: be equipped with square cavity in axis body (1), square cavity's lateral wall is equipped with a plurality of oil holes (9), oil hole (9) and slot (2) intercommunication, all be equipped with circular through-hole (10) on spline lug (3), circular through-hole (10) are aligned with oil hole (9).

4. A spline shaft according to claim 3, wherein: an oil adding port (11) is formed in one side of the shaft body (1), the oil adding port (11) is communicated with the square cavity, and one side of the fastening block (5) is fixedly connected with a sealing plug (12).

5. A spline shaft according to claim 3, wherein: the square cavity is connected with the balancing weight (13) in a sliding mode, and one side, close to the oil adding port (11), of the balancing weight (13) is fixedly connected with the rubber piston (14).

6. The spline shaft as set forth in claim 5, wherein: the bottom of the square cavity is rotationally connected with a threaded rod (15), and the threaded rod (15) is in threaded connection with the balancing weight (13).

7. The spline shaft as set forth in claim 6, wherein: the bottom of the shaft body (1) is provided with a mounting groove, the threaded rod (15) penetrates through the shaft body (1), one end of the threaded rod (15) is fixedly connected with a control block (16), and the control block (16) is positioned in the mounting groove.