Clutch inner ring end snap ring connection structure and working method thereof

Abstract

The present invention relates to a clamping ring connection structure at the end of a clutch inner ring, comprising a clutch inner ring, a friction pair is coaxially sleeved on the outer periphery of the clutch inner ring, a baffle is coaxially meshed with the outer periphery of the outer end of the clutch inner ring, a half-moon ring composed of at least two pieces spliced ​​together into a circular ring is interference-engaged between the baffle and the outer end of the clutch inner ring, and a clamping ring is coaxially interference-engaged on the inner periphery of the inner end of the clutch inner ring. The structure is simple, at least two half-moon rings spliced ​​together into a circular ring are interference-fitted with the clutch inner ring and the baffle to prevent the lubricating oil of the friction pair from leaking; the clamping ring is interference-fitted with the clutch inner ring to block the steel sheet of the friction pair to prevent it from falling out of the clutch inner ring, and to prevent the lubricating oil from leaking from the joint between the clamping ring and the clutch inner ring.

Description

Technical Field

[0001] The invention relates to a clamping ring connection structure at the end of a clutch inner ring and a working method thereof. Background Art

[0002] The retaining rings at the outer end and the inner end of the traditional clutch inner ring are both ordinary circular rings. The ordinary circular rings and the clutch inner ring are splined together, and the matching clearance is large, which is easy to cause lubricating oil leakage. Summary of the invention

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a clutch inner ring end clamping ring connection structure and a working method thereof.

[0004] In order to solve the above technical problems, the technical solution of the present invention is: a clamping ring connection structure at the end of the inner ring of a clutch, comprising a clutch inner ring, a friction pair coaxially sleeved on the outer periphery of the inner ring of the clutch, a baffle coaxially meshed with the outer periphery of the outer end of the inner ring of the clutch, a half-moon ring composed of at least two pieces spliced ​​into a circular ring is interference-connected between the baffle and the outer end of the inner ring of the clutch, and a clamping ring is coaxially interference-connected with the outer periphery of the inner end of the inner ring of the clutch.

[0005] Preferably, an outer ring gear with teeth extending in the axial direction is provided on the outer periphery of the inner ring of the clutch, and an inner ring gear with teeth extending in the axial direction is provided on the inner periphery of the baffle, and the inner ring gear is meshed with the outer ring gear.

[0006] Preferably, an outer ring groove is coaxially provided on the outer periphery of the outer end of the inner ring of the clutch, the inner ring of the half-moon ring is embedded in the outer ring groove and has an interference fit with the outer ring groove, the outer ring of the half-moon ring is interference fit with the inner ring of the baffle, and the inner end face of the half-moon ring is in contact with the outer end face of the inner gear ring; the connecting ends of adjacent half-moon rings are spliced ​​with each other through recesses and protrusions.

[0007] Preferably, an inner ring groove is coaxially provided on the outer periphery of the inner end of the inner ring of the clutch, the inner ring of the retaining ring is embedded in the inner ring groove and has an interference fit, a slit is provided on the retaining ring and protruding blocks protruding toward the same end are fixed at the two end heads of the slit, and a notch is provided on the groove wall for the two blocks to be spliced ​​and inserted with interference fit.

[0008] Preferably, the friction pair is located between the baffle and the retaining ring, and includes a plurality of steel plates and friction plates arranged at intervals, the inner ring of the steel plate meshes with the outer periphery of the inner ring of the clutch, and the outer ring of the friction plate meshes with the inner periphery of the outer ring of the clutch.

[0009] Preferably, the inner ring of the clutch is coaxially sleeved on the input shaft, a lubricating oil passage is provided inside the input shaft, a rotary joint is sleeved on the outer periphery of the oil inlet end of the input shaft, a lubricating oil hole connected to the lubricating oil passage is provided on the rotary joint, and the side of the lubricating oil hole leads to the two end faces of the rotary joint through the cooling oil passage, and the lubricating oil between the two end faces is connected through the heat dissipation oil holes evenly distributed on the circumference of the rotary joint.

[0010] Preferably, the heat dissipation oil holes are all close to the connecting circumferential surface between the rotary joint and the input shaft; a wear-resistant sleeve is also coaxially provided between the rotary joint and the input shaft, and a flow hole is provided on the wear-resistant sleeve; a first piston oil hole and a second piston oil hole are also radially provided on the rotary joint, and the lubricating oil hole is also radially arranged, and the inner circumferential wall of the rotary joint is coaxially provided with a lubricating oil ring groove connected to the lubricating oil hole, the inner circumferential wall of the rotary joint is coaxially provided with a first piston oil ring groove connected to the first piston oil hole, and the inner circumferential wall of the rotary joint is coaxially provided with a second piston oil ring groove connected to the second piston oil hole; the wear-resistant sleeve is circumferentially provided with a plurality of flow holes on the corresponding circumferences of the lubricating oil ring groove, the first piston oil ring groove, and the second piston oil ring groove; the outer circumferential wall of the input shaft is coaxially provided with a lubricating oil groove ring connected to the lubricating oil ring groove through the flow hole, the outer circumferential wall of the input shaft is coaxially provided with a first piston oil groove ring connected to the first piston oil ring groove through the flow hole, and the outer circumferential wall of the input shaft is coaxially provided with a The flow hole is connected to the second piston oil groove ring of the second piston oil ring groove; the outer peripheral wall of the input shaft is coaxially provided with sealing rings between adjacent groove rings and between the groove ring and the end face of the rotary joint, the inner ring of the sealing ring is coaxially embedded in the clamping ring groove of the outer periphery of the input shaft and has an interference fit, the outer ring of the sealing ring is interference fit with the inner peripheral wall of the wear-resistant sleeve, and a beveled joint is provided on the sealing ring; the lubricating oil groove ring is connected to the axially extending lubricating oil channel inside the input shaft through a radially extending lubricating oil pipe, and the end of the lubricating oil channel leads to the clutch friction plate; the first piston oil groove ring is connected to the axially extending first piston oil channel inside the input shaft through a radially extending first piston oil pipe, and the end of the first piston oil channel leads to the right oil chamber of the clutch piston; the second piston oil groove ring is connected to the axially extending second piston oil channel inside the input shaft through a radially extending second piston oil pipe, and the end of the second piston oil channel leads to the left oil chamber of the clutch piston; the heat dissipation oil hole and the cooling oil channel are both axially extended.

[0011] Preferably, the clutch inner rings have two groups and are axially distributed, a piston sleeved on the input shaft is provided between the two groups of clutch inner rings, a cylinder sleeve is provided between the piston and the input shaft, the cylinder sleeve is threadedly connected to the two groups of clutch inner rings as a whole, the internal right oil channel of the cylinder sleeve connects the right oil chamber and the first piston oil channel, and the internal left oil channel of the cylinder sleeve connects the left oil chamber and the second piston oil channel; the interior of the clutch inner ring is provided with lubricating oil outlet pipelines leading to the corresponding friction pair, the middle and rear sections of the lubricating oil channels are provided with radially extending oil outlet pipes, the outer periphery of the input shaft is coaxially provided with oil collecting rings at the position of the oil outlet pipes, and the lubricating oil outlet pipelines are connected with the corresponding oil collecting rings; the connecting end faces of the cylinder sleeve and the clutch inner ring are provided with sealing gaskets.

[0012] A working method of a clamping ring connection structure at the end of a clutch inner ring is carried out according to the following steps: (1) at least two half-moon rings spliced ​​together into a circular ring are interference-fitted with the clutch inner ring and the baffle plate to prevent the lubricating oil of the friction pair from leaking; (2) the clamping ring is interference-fitted with the clutch inner ring to block the steel sheet of the friction pair and prevent it from falling out of the clutch inner ring, and to prevent the lubricating oil from leaking from the joint between the clamping ring and the clutch inner ring; two protrusions are spliced ​​and interference-fitted into the notch, so that the clamping ring is clamped tighter.

[0013] Preferably, the input shaft rotates while the rotary joint does not move, and the lubricating oil entering the lubricating oil hole enters the lubricating oil channel on the one hand, and flows to the two end surfaces of the rotary joint through the cooling oil channel on the other hand, which can lubricate and dissipate heat for the bearings on the two end surfaces, and then flows axially through the heat dissipation oil hole to dissipate heat for the connecting circumferential surface between the rotary joint and the input shaft; the lubricating oil enters the lubricating oil channel through the lubricating oil hole, the lubricating oil ring groove, the flow hole, the lubricating oil groove ring, and the lubricating oil pipe in sequence, and the end of the lubricating oil channel leads to the clutch friction plate to lubricate the friction plate; the piston oil enters the first piston oil channel through the first piston oil hole, the first piston oil ring groove, the flow hole, the first piston oil groove ring, and the first piston oil pipe in sequence, and the end of the first piston oil channel leads to the right oil chamber of the clutch piston; the piston oil enters the second piston oil channel through the second piston oil hole, the second piston oil ring groove, the flow hole, the second piston oil groove ring, and the second piston oil pipe in sequence, and the end of the second piston oil channel leads to the left oil chamber of the clutch piston.

[0014] Compared with the prior art, the present invention has the following beneficial effects: simple structure, at least two half-moon rings spliced ​​together into a circular ring are interference fit with the clutch inner ring and the baffle, preventing the lubricating oil of the friction pair from leaking; the retaining ring is interference fit with the clutch inner ring to block the steel sheet of the friction pair and prevent it from falling out of the clutch inner ring, preventing the lubricating oil from leaking from the joint between the retaining ring and the clutch inner ring.

[0015] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. 4 is a top view of an embodiment of the present invention.

[0017] Figure 2 It is a side view of an embodiment of the present invention.

[0018] Figure 3 for Figure 1 AA section view.

[0019] Figure 4 for Figure 3 A partial schematic diagram of .

[0020] Figure 5 for Figure 1 CC cross-sectional view.

[0021] Figure 6 for Figure 1 DD cross-sectional view.

[0022] Figure 7 for Figure 1 EE cross-sectional view.

[0023] Figure 8 This is a schematic diagram of the assembly of the sealing ring and the input shaft.

[0024] Fig. 9 for Figure 2 BB cross-sectional view.

[0025] Fig.10 for Fig. 9 Partial schematic Figure 1 .

[0026] Fig.11 for Figure 3 A partial enlarged view of F.

[0027] Fig.12 It is a schematic diagram of the connection between the retaining ring and the inner ring of the clutch.

[0028] Fig.13 for Fig.12 A magnified view of the G part.

[0029] Fig.14 for Fig. 9 Partial schematic Figure 2 .

[0030] Fig.15 Schematic diagram of the splicing of two half-moon rings.

[0031] Fig.16 for Fig.15 A partial enlarged view of H. DETAILED DESCRIPTION

[0032] In order to make the above features and advantages of the present invention more clearly understood, embodiments are given below with reference to the accompanying drawings for detailed description.

[0033] like Figures 1 to 16 As shown, a clamping ring connection structure at the end of the inner ring of a clutch comprises a clutch inner ring 28, a friction pair is coaxially sleeved on the outer periphery of the inner ring of the clutch, a baffle plate 29 is coaxially meshed with the outer periphery of the outer end of the inner ring of the clutch, a half-moon ring 30 composed of at least two pieces spliced ​​together into a circular ring is interference-connected between the baffle plate and the outer end of the inner ring of the clutch, and a clamping ring 31 is coaxially interference-connected with the outer periphery of the inner end of the inner ring of the clutch.

[0034] In the embodiment of the present invention, an outer ring gear 32 with teeth extending axially is provided on the outer periphery of the inner ring of the clutch, and an inner ring gear 33 with teeth extending axially is provided on the inner periphery of the baffle, and the inner ring gear meshes with the outer ring gear.

[0035] In the embodiment of the present invention, an outer ring groove 34 is coaxially provided on the outer periphery of the outer end of the inner ring of the clutch, the inner rings of the half-moon rings are embedded in the outer ring groove and have an interference fit with the outer ring groove, the outer rings of the half-moon rings are interference fit with the inner ring of the baffle, and the inner end faces of the half-moon rings are in contact with the outer end faces of the inner gear ring; the connecting ends of adjacent half-moon rings are spliced ​​with each other via recesses 35 and protrusions 36.

[0036] In the embodiment of the present invention, an inner ring groove 37 is coaxially provided on the outer periphery of the inner end of the inner ring of the clutch, the inner ring of the retaining ring is embedded in the inner ring groove and has an interference fit, a slit 38 is provided on the retaining ring, and protrusions 39 protruding toward the same end side are fixed at the two end heads of the slit, and a notch 40 is provided on the groove wall for the two protrusions to be spliced ​​and inserted with interference fit.

[0037] In the embodiment of the present invention, the friction pair is located between the baffle and the retaining ring, and includes a plurality of steel plates 41 and friction plates arranged at intervals. The inner ring of the steel plate is meshed with the outer periphery of the inner ring of the clutch, and the outer ring of the friction plate is meshed with the inner periphery of the outer ring of the clutch (not shown in the figure).

[0038] In the embodiment of the present invention, the inner ring of the clutch is coaxially sleeved on the input shaft, a lubricating oil passage 1 is provided inside the input shaft 2, a rotary joint 3 is sleeved on the outer periphery of the oil inlet end of the input shaft, a lubricating oil hole 4 connected to the lubricating oil passage is provided on the rotary joint, and the side of the lubricating oil hole leads to the two end faces of the rotary joint through the cooling oil passage 5, and the lubricating oil between the two end faces is connected through the heat dissipation oil holes 6 evenly distributed on the circumference of the rotary joint.

[0039] In the embodiment of the present invention, the heat dissipation oil holes are all close to the connecting circumferential surface between the rotary joint and the input shaft; a wear-resistant sleeve 7 is also coaxially provided between the rotary joint and the input shaft, and a flow hole 8 is provided on the wear-resistant sleeve; a first piston oil hole 9 and a second piston oil hole 10 are also radially provided on the rotary joint, and the lubricating oil holes are also radially arranged, and a lubricating oil ring groove 11 connected to the lubricating oil hole is coaxially provided on the inner circumferential wall of the rotary joint, a first piston oil ring groove 12 connected to the first piston oil hole is coaxially provided on the inner circumferential wall of the rotary joint, and a second piston oil ring groove 13 connected to the second piston oil hole is coaxially provided on the inner circumferential wall of the rotary joint; the wear-resistant sleeve is provided in the lubricating oil ring groove, the first piston oil ring groove, and the second piston oil ring groove The corresponding circumference of the input shaft is provided with a plurality of flow holes; the outer peripheral wall of the input shaft is coaxially provided with a lubricating oil groove ring 14 connected to the lubricating oil ring groove through the flow hole, the outer peripheral wall of the input shaft is coaxially provided with a first piston oil groove ring 15 connected to the first piston oil ring groove through the flow hole, and the outer peripheral wall of the input shaft is coaxially provided with a second piston oil groove ring 16 connected to the second piston oil ring groove through the flow hole; the outer peripheral wall of the input shaft is coaxially provided with a sealing ring 17 between adjacent groove rings and between the groove ring and the end face of the rotary joint, the inner ring of the sealing ring is coaxially embedded in the clamping ring groove of the outer periphery of the input shaft and has an interference fit, the outer ring of the sealing ring is interference fit with the inner peripheral wall of the wear-resistant sleeve, and the sealing ring is provided with a bevel joint 18. When the oil passing through leaks from the side, the end face of the sealing ring is pressed tightly under the action of the oil pressure, so that the bevel joint is pressed tighter and not easy to leak. The lubricating oil groove ring is connected to the axially extending lubricating oil channel inside the input shaft through a radially extending lubricating oil pipe 19, and the end of the lubricating oil channel leads to the clutch friction plate 20; the first piston oil groove ring is connected to the axially extending first piston oil channel 22 inside the input shaft through a radially extending first piston oil pipe 21, and the end of the first piston oil channel leads to the right oil chamber 24 of the clutch piston 23; the second piston oil groove ring is connected to the axially extending second piston oil channel 26 inside the input shaft through a radially extending second piston oil pipe 25, and the end of the second piston oil channel leads to the left oil chamber 27 of the clutch piston; the heat dissipation oil holes and the cooling oil channels are both extended axially.

[0040] In the embodiment of the present invention, there are two groups of clutch inner rings and they are axially distributed. A piston sleeved on the input shaft is provided between the two groups of clutch inner rings. A cylinder sleeve 42 is sleeved between the piston and the input shaft. The cylinder sleeve is threadedly connected to the two groups of clutch inner rings as a whole. The internal right oil passage 43 of the cylinder sleeve connects the right oil chamber and the first piston oil passage, and the internal left oil passage 44 of the cylinder sleeve connects the left oil chamber and the second piston oil passage. The interior of the clutch inner ring is provided with a lubricating oil outlet pipeline 45 leading to the corresponding friction pair, and the middle and rear sections of the lubricating oil passage are provided with radially extending oil outlet pipes 46. The outer periphery of the input shaft is coaxially provided with an oil collecting ring 47 at the position of the oil outlet pipe, and the lubricating oil outlet pipelines are connected with the corresponding oil collecting rings. The connecting end surface of the cylinder sleeve and the clutch inner ring is provided with a sealing gasket 48.

[0041] A working method of a clamping ring connection structure at the end of a clutch inner ring is carried out according to the following steps: (1) at least two half-moon rings spliced ​​together into a circular ring are interference-fitted with the clutch inner ring and the baffle plate to prevent the lubricating oil of the friction pair from leaking; (2) the clamping ring is interference-fitted with the clutch inner ring to block the steel sheet of the friction pair and prevent it from falling out of the clutch inner ring, and to prevent the lubricating oil from leaking from the joint between the clamping ring and the clutch inner ring; two protrusions are spliced ​​and interference-fitted into the notch, so that the clamping ring is clamped tighter.

[0042] In an embodiment of the present invention, the input shaft rotates while the rotary joint does not move. The lubricating oil entering the lubricating oil hole enters the lubricating oil channel on the one hand, and flows to the two end surfaces of the rotary joint through the cooling oil channel on the other hand, which can lubricate and dissipate heat for the bearings on the two end surfaces, and then flows axially through the heat dissipation oil hole to dissipate heat for the connecting circumferential surface between the rotary joint and the input shaft; the lubricating oil enters the lubricating oil channel through the lubricating oil hole, the lubricating oil ring groove, the flow hole, the lubricating oil groove ring, and the lubricating oil pipe in sequence, and the end of the lubricating oil channel leads to the clutch friction plate to lubricate the friction plate; the piston oil enters the first piston oil channel through the first piston oil hole, the first piston oil ring groove, the flow hole, the first piston oil groove ring, and the first piston oil pipe in sequence, and the end of the first piston oil channel leads to the right oil chamber of the clutch piston; the piston oil enters the second piston oil channel through the second piston oil hole, the second piston oil ring groove, the flow hole, the second piston oil groove ring, and the second piston oil pipe in sequence, and the end of the second piston oil channel leads to the left oil chamber of the clutch piston.

[0043] The present invention is not limited to the above-mentioned best embodiment. Anyone can derive other forms of clutch inner ring end snap ring connection structures and working methods under the enlightenment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims

1. A clutch inner ring end clamp connection structure, comprising a clutch inner ring, a friction pair is provided on the outer periphery of the clutch inner ring coaxial sleeve, and is characterized by: The outer periphery of the outer end of the clutch inner ring is coaxially meshed with a baffle, and a half-moon ring composed of at least two pieces spliced ​​into a circular ring is interference-engaged between the baffle and the outer end of the clutch inner ring, and a clamping ring is coaxially interference-engaged with the outer periphery of the inner end of the clutch inner ring; the outer periphery of the clutch inner ring is provided with an outer gear ring extending in the axial direction of the gear, and the inner periphery of the baffle is provided with an inner gear ring extending in the axial direction of the gear, and the inner gear ring meshes with the outer gear ring; the outer periphery of the outer end of the clutch inner ring is coaxially provided with an outer ring groove, and the inner rings of the half-moon rings are all embedded in the outer ring groove and are connected to the outer ring The groove is interference fit, the outer ring of the half-moon ring is interference fit with the inner ring of the baffle, and the inner end face of the half-moon ring is in contact with the outer end face of the inner gear ring; the connecting ends of adjacent half-moon rings are spliced ​​with each other through recesses and protrusions; an inner ring groove is coaxially provided on the outer periphery of the inner end of the inner ring of the clutch, the inner ring of the retaining ring is embedded in the inner ring groove and interference fit, a slit is provided on the retaining ring, and protrusions protruding toward the same end side are fixed at the heads of both ends of the slit, and a notch is provided on the groove wall of the inner ring groove for splicing and interference embedding of the two protrusions.

2. The clutch inner ring end clamp connection structure according to claim 1, characterized in that: The friction pair is located between the baffle and the snap ring, and includes a plurality of steel plates and friction plates arranged at intervals. The inner ring of the steel plate meshes with the outer periphery of the inner ring of the clutch, and the outer ring of the friction plate meshes with the inner periphery of the outer ring of the clutch.

3. The clutch inner ring end snap ring connection structure according to claim 1, characterized in that: The inner ring of the clutch is coaxially sleeved on the input shaft, a lubricating oil passage is arranged inside the input shaft, a rotary joint is sleeved on the outer periphery of the oil inlet end of the input shaft, a lubricating oil hole connected to the lubricating oil passage is arranged on the rotary joint, the side of the lubricating oil hole leads to the two end faces of the rotary joint through the cooling oil passage, and the lubricating oil between the two end faces is connected through the heat dissipation oil holes evenly distributed on the rotary joint.

4. The clutch inner ring end clamp connection structure according to claim 3, characterized in that: The heat dissipation oil holes are all close to the connecting circumferential surface between the rotary joint and the input shaft; a wear-resistant sleeve is also coaxially provided between the rotary joint and the input shaft, and a flow hole is provided on the wear-resistant sleeve; a first piston oil hole and a second piston oil hole are also radially provided on the rotary joint, and the lubricating oil holes are also radially arranged, and the inner circumferential wall of the rotary joint is coaxially provided with a lubricating oil ring groove connected to the lubricating oil hole, and the inner circumferential wall of the rotary joint is coaxially provided with a first piston oil ring groove connected to the first piston oil hole, and the inner circumferential wall of the rotary joint is coaxially provided with a second piston oil ring groove connected to the second piston oil hole; the wear-resistant sleeve is circumferentially provided with a plurality of flow holes on the corresponding circumferences of the lubricating oil ring groove, the first piston oil ring groove, and the second piston oil ring groove; the outer circumferential wall of the input shaft is coaxially provided with a lubricating oil groove ring connected to the lubricating oil ring groove through the flow hole, the outer circumferential wall of the input shaft is coaxially provided with a first piston oil groove ring connected to the first piston oil ring groove through the flow hole, and the outer circumferential wall of the input shaft is coaxially provided with a first piston oil groove ring connected to the first piston oil ring groove through the flow hole, and the outer circumferential wall of the input shaft is coaxially provided with a second piston oil ring groove connected to the second piston oil hole. The through hole is connected to the second piston oil groove ring of the second piston oil ring groove; the outer peripheral wall of the input shaft is coaxially provided with sealing rings between adjacent groove rings and between the groove ring and the end face of the rotary joint, the inner ring of the sealing ring is coaxially embedded in the clamping ring groove of the outer periphery of the input shaft and has an interference fit, the outer ring of the sealing ring is interference fit with the inner peripheral wall of the wear-resistant sleeve, and a beveled seam is provided on the sealing ring; the lubricating oil groove ring is connected to the axially extending lubricating oil channel inside the input shaft through a radially extending lubricating oil pipe, and the end of the lubricating oil channel leads to the clutch friction plate; the first piston oil groove ring is connected to the axially extending first piston oil channel inside the input shaft through a radially extending first piston oil pipe, and the end of the first piston oil channel leads to the right oil chamber of the clutch piston; the second piston oil groove ring is connected to the axially extending second piston oil channel inside the input shaft through a radially extending second piston oil pipe, and the end of the second piston oil channel leads to the left oil chamber of the clutch piston; the heat dissipation oil hole and the cooling oil channel are both axially extended.

5. The clutch inner ring end snap ring connection structure according to claim 4, characterized in that: There are two groups of clutch inner rings which are axially distributed. A piston sleeved on the input shaft is provided between the two groups of clutch inner rings. A cylinder sleeve is provided between the piston and the input shaft. The cylinder sleeve is threadedly connected to the two groups of clutch inner rings as a whole. The right oil passage inside the cylinder sleeve connects the right oil chamber and the first piston oil passage, and the left oil passage inside the cylinder sleeve connects the left oil chamber and the second piston oil passage. The interior of the clutch inner ring is provided with lubricating oil outlet pipelines leading to the corresponding friction pairs, and the middle and rear sections of the lubricating oil passages are provided with radially extending oil outlet pipes. Oil collecting rings are coaxially provided at the position of the oil outlet pipes on the outer periphery of the input shaft, and the lubricating oil outlet pipelines are connected to the corresponding oil collecting rings. Sealing gaskets are provided on the connecting end faces of the cylinder sleeve and the clutch inner ring.

6. A method for operating the clutch inner ring end clamp connection structure as claimed in any one of claims 1 to 5, characterized in that: The following steps are followed: (1) At least two half-moon rings that are joined together to form a circular ring are interference-fitted with the clutch inner ring and the baffle to prevent the lubricating oil of the friction pair from leaking; (2) The retaining ring is interference-fitted with the clutch inner ring to block the steel sheet of the friction pair and prevent it from falling out of the clutch inner ring, and to prevent the lubricating oil from leaking from the joint between the retaining ring and the clutch inner ring; the two protrusions are joined and interference-fitted into the notch, so that the retaining ring is clamped tighter.

7. The working method of the clutch inner ring end clamp connection structure according to claim 6, characterized in that: The input shaft rotates while the rotary joint does not move. The lubricating oil entering the lubricating oil hole enters the lubricating oil channel on the one hand, and flows to the two end faces of the rotary joint through the cooling oil channel on the other hand, which can lubricate and dissipate heat for the bearings on the two end faces, and then flows axially through the heat dissipation oil hole to dissipate heat for the connecting circumferential surface between the rotary joint and the input shaft; the lubricating oil enters the lubricating oil channel through the lubricating oil hole, the lubricating oil ring groove, the flow hole, the lubricating oil groove ring, and the lubricating oil pipe in sequence, and the end of the lubricating oil channel leads to the clutch friction plate to lubricate the friction plate; the piston oil enters the first piston oil channel through the first piston oil hole, the first piston oil ring groove, the flow hole, the first piston oil groove ring, and the first piston oil pipe in sequence, and the end of the first piston oil channel leads to the right oil chamber of the clutch piston; the piston oil enters the second piston oil channel through the second piston oil hole, the second piston oil ring groove, the flow hole, the second piston oil groove ring, and the second piston oil pipe in sequence, and the end of the second piston oil channel leads to the left oil chamber of the clutch piston.

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