Mechanical clutch device

Abstract

The present invention belongs to the technical field of clutch equipment, and relates to a mechanical clutch device, including a gear supported by a support rod seat, the spline of the inner hole of the gear matches the outer spline of the right end of the clutch shaft, and the outer spline of the left end of the clutch shaft matches the inner spline of the main motor transmission; a push rod is arranged in the inner hole of the inner spline of the main motor transmission, and the first bearing is installed at the axial inner end of the push rod, the inner hole of the left end of the clutch shaft is tightly matched with the outer ring of the first bearing, and a positioning sleeve is arranged on the outer surface of the clutch shaft, and the positioning sleeve is supported in the inner hole of the inner spline of the main motor transmission, and the push rod can drive the clutch shaft to move axially back and forth; an axial positioning component is arranged on the left end face of the inner spline of the main motor transmission, and the axial positioning component axially positions the push rod and the clutch shaft. The clutch device adopts an axial action mode to achieve structural simplicity and not occupy external space, and at the same time, the action is reliable and accurate.

Description

Technical Field

[0001] The invention belongs to the technical field of clutch equipment and relates to a mechanical clutch device. Background Art

[0002] The clutch structure is an important component of power equipment such as ships and vehicles. The clutch structure in coal mining machines has its own particularity. The clutch devices commonly used in existing coal mining machines usually use a shift fork to achieve the clutch action. After long-term use, this structure will cause working errors due to looseness between components, making the clutch operation unreliable. Summary of the invention

[0003] In view of the above problems, the present invention provides a mechanical clutch device, which adopts an axial action mode to achieve a simple structure, does not occupy external space, and is reliable and accurate in action.

[0004] According to the technical solution of the present invention: a mechanical clutch device is characterized in that it includes a gear supported by a support rod seat, the spline of the inner hole of the gear matches the outer spline of the right end of the clutch shaft, and the outer spline of the left end of the clutch shaft matches the inner spline of the main motor transmission;

[0005] A push rod is still arranged in the inner hole of the internal spline of the main motor transmission, and the first bearing is installed at the axial inner end of the push rod. The inner hole at the left end of the clutch shaft is tightly matched with the outer ring of the first bearing. The left end of the first bearing is positioned in the inner hole at the left end of the clutch shaft through a limit stopper, and the right end of the first bearing is positioned on the push rod through a round nut. A positioning sleeve is arranged on the outer surface of the clutch shaft, and the positioning sleeve is supported in the inner hole of the internal spline of the main motor transmission. The push rod can drive the clutch shaft to reciprocate axially; an axial positioning component is arranged on the left end face of the internal spline of the main motor transmission, and the axial positioning component performs axial positioning on the push rod and the clutch shaft;

[0006] A support rod is arranged in the inner hole at the right end of the clutch shaft, and a second bearing is installed on the support rod. The outer ring of the second bearing is tightly fitted with the inner hole at the right end of the clutch shaft. The left end of the second bearing is positioned on the support rod through a clamping ring, and the right end of the second bearing is positioned and connected to the clutch shaft through a positioning retaining ring. The axial outer end of the support rod is matched and arranged in the guide hole of the support rod seat.

[0007] As a further improvement of the present invention, the axial inner end of the first bearing is positioned by a round nut, and the axial outer end of the first bearing is positioned and connected to the clutch shaft by a limit stopper.

[0008] As a further improvement of the present invention, the axial positioning assembly includes an end cover, which is fixed to the left end face of the internal spline of the main motor transmission, a handle seat is arranged on the end cover, the handle is hinged to the handle seat, a limit block is fixed on the end cover, the limit block is in an arc shape, a notch groove is arranged in the middle of the arc portion, arc-shaped rib plates are symmetrically arranged on both sides of the notch groove, and the handle seat is provided with a tongue. When the tongue is placed in the notch groove, the handle is pulled, and the push rod drives the clutch shaft to move axially outward; when the tongue is blocked by the arc-shaped rib plate, the external spline at the right end of the clutch shaft cooperates with the internal spline of the gear.

[0009] As a further improvement of the present invention, the end cover is fastened to the left end face of the inner spline of the main motor transmission by means of screws and spring washers, and the push rod and the end cover are sealed by means of a dustproof ring.

[0010] As a further improvement of the present invention, the handle seat and the push rod are connected via a spring pin.

[0011] The technical effect of the present invention is that the product structure of the present invention is simple, reasonable and ingenious. By setting a clutch shaft, the external splines arranged at both ends of the clutch shaft respectively cooperate with the internal splines of the main motor transmission and the internal splines of the gear, and the clutch shaft can be adjusted to achieve the adjustment of the engagement or disengagement of the clutch shaft and the gear. During the axial movement of the clutch shaft, the position is positioned and fixed by the cooperation of the limit block and the limit seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention.

[0013] Figure 2 It is a connection diagram of the limit block and the handlebar seat. DETAILED DESCRIPTION

[0014] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It includes a limit block 1, a notch groove 1-1, an arc rib plate 1-2, a handle 2, a pin 3, a handle seat 4, a tongue 4-1, an end cover 5, a dust ring 6, a push rod 7, a positioning sleeve 8, a first bearing 9, a round nut 10, a clutch shaft 11, a second bearing 12, a support rod 13, a gear 14, a support rod seat 15, a sealing ring 16, a screw 17, a spring washer 18, a spring pin 19, and a main motor transmission internal spline 20.

[0016] like Figure 1 As shown, the present invention is a mechanical clutch device, including a gear 14 supported by a support rod seat 15, the spline of the inner hole of the gear 14 cooperates with the outer spline of the right end of the clutch shaft 11, and the outer spline of the left end of the clutch shaft 11 cooperates with the inner spline 20 of the main motor transmission.

[0017] A push rod 7 is still arranged in the inner hole of the internal spline 20 of the main motor transmission, and the first bearing 9 is installed at the axial inner end of the push rod 7. The inner hole at the left end of the clutch shaft 11 is tightly matched with the outer ring of the first bearing 9. The left end of the first bearing 9 is positioned in the inner hole at the left end of the clutch shaft 11 through a limit block plate, and the right end of the first bearing 9 is positioned on the push rod 7 through a round nut 10. A positioning sleeve 8 is arranged on the outer surface of the clutch shaft 11, and the positioning sleeve 8 is supported in the inner hole of the internal spline 20 of the main motor transmission. The push rod 7 can drive the clutch shaft 11 to move axially back and forth.

[0018] An axial positioning component is arranged on the left end surface of the main motor transmission inner spline 20 , and the axial positioning component performs axial positioning on the push rod 7 and the clutch shaft 11 .

[0019] A support rod 13 is arranged in the inner hole at the right end of the clutch shaft 11, and a second bearing 12 is installed on the support rod 13. The outer ring of the second bearing 12 is tightly fitted with the inner hole at the right end of the clutch shaft 11. The left end of the second bearing 12 is positioned on the support rod 13 through a retaining ring, and the right end of the second bearing 12 is positioned and connected to the clutch shaft 11 through a positioning retaining ring. The axial outer end of the support rod 13 is fitted in the guide hole of the support rod seat 15.

[0020] The axial inner end of the first bearing 9 is positioned by a round nut 10 , and the axial outer end of the first bearing 9 is positioned and connected to the clutch shaft 11 by a limit stopper.

[0021] The axial positioning assembly includes an end cover 5, which is fixed to the left end face of the internal spline 20 of the main motor transmission. A handle seat 4 is arranged on the end cover 5, and the handle 2 is hinged to the handle seat 4. A limit block 1 is fixed on the end cover 5, and the limit block 1 is in an arc shape, with a notch groove 1-1 arranged in the middle of the arc portion, and arc rib plates 1-2 are symmetrically arranged on both sides of the notch groove 1-1. The handle seat 4 is provided with a tongue 4-1. When the tongue 4-1 is placed in the notch groove 1-1, the handle 2 is pulled, and the push rod 7 drives the clutch shaft 11 to move axially outward; when the tongue 4-1 is blocked by the arc rib plate 1-2, the external spline at the right end of the clutch shaft 11 cooperates with the internal spline of the gear 14.

[0022] The end cover 5 is fastened to the left end face of the main motor transmission inner spline 20 by means of screws 17 and spring washers 18 . The push rod 7 and the end cover 5 are sealed by means of a dust ring 6 . The handle seat 4 and the push rod 7 are connected by means of a spring pin 19 .

[0023] like Figure 1As shown, the working process of the product of the present invention is as follows: in the mechanical reduction transmission part, the clutch protection of the high-speed end is an important part of the transmission. The left end of the clutch shaft 11 of the device is connected to the internal spline 20 of the main motor transmission, and the right end is connected to the internal spline of the mechanical transmission reduction gear 14 to achieve the mechanical transmission requirements. When the motor is running normally and there is no need for low-speed end transmission, the clutch handle 2 can be pulled to disengage the clutch spline shaft 11 from the transmission gear 14. The push-pull stroke of the handle 2 is limited by the limit block 1. In order to prevent the handle 2 from being scratched, The handle 2 is connected to the handle seat by a pin 3, so that after the manual clutch operation is completed, the handle can be folded and dropped freely. The clutch shaft 11 and the push rod 7 are positioned by the supporting bearing 9. The clutch shaft 11 is disengaged from the support of the gear 14 by the bearing 12 and the support rod seat 15. The clutch axial movement of the clutch shaft 11 is positioned by the push rod 7 and the support rod 13. The clutch shaft transmission power support is the positioning sleeve 8 and the support rod seat 15. The entire clutch device is installed in the central shaft hole of the main motor, does not occupy external space, and the transmission is simple and reliable.

Claims

1. A mechanical clutch device, characterized in that: It comprises a gear (14) supported by a support rod seat (15), the spline of the inner hole of the gear (14) matches with the outer spline of the right end of the clutch shaft (11), and the outer spline of the left end of the clutch shaft (11) matches with the inner spline (20) of the main motor transmission; A push rod (7) is also arranged in the inner hole of the main motor transmission internal spline (20), and the first bearing (9) is installed at the axial inner end of the push rod (7). The inner hole at the left end of the clutch shaft (11) is tightly matched with the outer ring of the first bearing (9). The left end of the first bearing (9) is positioned in the inner hole at the left end of the clutch shaft (11) through a limit stopper, and the right end of the first bearing (9) is positioned on the push rod (7) through a round nut (10). A positioning sleeve (8) is arranged on the outer surface of the clutch shaft (11), and the positioning sleeve (8) is supported in the inner hole of the main motor transmission internal spline (20). The push rod (7) can drive the clutch shaft (11) to axially reciprocate. An axial positioning component is provided on the left end surface of the main motor transmission inner spline (20), and the axial positioning component performs axial positioning on the push rod (7) and the clutch shaft (11); A support rod (13) is arranged in the inner hole at the right end of the clutch shaft (11), and a second bearing (12) is installed on the support rod (13). The outer ring of the second bearing (12) is tightly matched with the inner hole at the right end of the clutch shaft (11). The left end of the second bearing (12) is positioned on the support rod (13) through a retaining ring. The right end of the second bearing (12) is positioned and connected to the clutch shaft (11) through a positioning retaining ring. The axial outer end of the support rod (13) is matched and arranged in the guide hole of the support rod seat (15). The axial inner end of the first bearing (9) is positioned by a round nut (10), and the axial outer end of the first bearing (9) is positioned and connected to the clutch shaft (11) by a limit stop plate; The axial positioning assembly comprises an end cover (5), the end cover (5) is fixed to the left end surface of the main motor transmission internal spline (20), a handle seat (4) is arranged on the end cover (5), the handle (2) is hinged to the handle seat (4), a limit block (1) is fixed on the end cover (5), the limit block (1) is in an arc shape, a notch groove (1-1) is arranged in the middle of the arc part, arc rib plates (1-2) are symmetrically arranged on both sides of the notch groove (1-1), and the handle seat (4) is provided with a stop tongue (4-1). When the stop tongue (4-1) is placed in the notch groove (1-1), the handle (2) is pulled, and the push rod (7) drives the clutch shaft (11) to move outward along the axial direction; when the stop tongue (4-1) is blocked by the arc rib plate (1-2), the external spline at the right end of the clutch shaft (11) matches the internal spline of the gear (14).

2. The mechanical clutch device according to claim 1, characterized in that: The end cover (5) is fastened to the left end surface of the main motor transmission inner spline (20) by means of screws (17) and spring washers (18), and the push rod (7) and the end cover (5) are sealed by means of a dustproof ring (6).

3. The mechanical clutch device according to claim 1, characterized in that: The handle seat (4) and the push rod (7) are connected via a spring pin (19).

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