CN221033695U - Mechanical power separating mechanism - Google Patents

Abstract

The utility model discloses a mechanical power separation mechanism which comprises a connecting shaft, a bearing I, a small box body, a gear shifting shaft, a locking screw, a shifting sleeve, a shifting head, a positioning shaft, a self-locking pin shaft, a compression spring, a connecting disc, a bearing II, an oil seal, a power taking shaft, a clamp spring and a sliding gear. When the hydraulic device is needed to lift or the power output of the gearbox is not needed, the power is cut off from the middle of the gearbox and the gear pump or other mechanical devices, and the locking mechanism is provided, when the hydraulic device is needed to lift or the power output of the gearbox, the power is transmitted to the gear pump or other mechanical devices from the gearbox, and the gear pump of the hydraulic lifting device is not damaged due to larger torque, so that the continuous voyage mileage of the whole vehicle is prevented from being influenced.

Description

Mechanical power separating mechanism

Technical Field

The utility model belongs to the technical field of power assembly separation control, and particularly relates to a mechanical power separation mechanism.

Background

The hydraulic lifting device of the current electric motor tricycle consists of a motor, a gearbox, a gear pump, a distributor, a hydraulic oil cylinder and other power units, wherein the power is transmitted to the gearbox by the motor to be transmitted to the gear pump after the speed and the torque are reduced, and the hydraulic oil cylinder is controlled to rise or fall by the distributor.

However, when the existing vehicle runs, the gear pump is driven to run all the time by the rotation of the motor and the gearbox, the internal gear of the gear pump is easy to sinter after long-time running, the running resistance of the vehicle is increased, and the cruising mileage of the electric motor tricycle is affected.

Disclosure of utility model

The present utility model provides a mechanical power separation mechanism that solves the problems set forth in the background art described above.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a mechanical power separating mechanism comprises a connecting shaft, a bearing I, a small box body, a gear shifting shaft, a locking screw, a shifting sleeve, a shifting head, a positioning shaft, a self-locking pin shaft, a compression spring, a connecting disc, a bearing II, an oil seal, a power taking shaft, a clamp spring and a sliding gear.

Preferably, the connecting shaft is rotationally connected with the small box body through a bearing I, and one end of the connecting shaft is connected with the sliding gear through an external spline.

Preferably, the locking screw is arranged at the bottom of the gear shifting shaft, the shifting sleeve and the shifting head are sleeved on the gear shifting shaft, and the shifting sleeve and the shifting head are clamped.

Preferably, the self-locking pin shaft is in abutting arrangement with the shifting head, the positioning shaft is arranged on the surface of the self-locking pin shaft, and the compression spring is arranged in the self-locking pin shaft.

Preferably, the connecting disc is connected with the other end of the small box body, and the power taking shaft is rotationally connected with the connecting disc through a bearing II.

Preferably, the oil seal is arranged between the power take-off shaft and the connecting disc, and the clamp spring is sleeved on one end surface of the power take-off shaft.

The beneficial effects of adopting above technical scheme are:

When the hydraulic device is needed to lift or the power output of the gearbox is not needed, the power is cut off from the middle of the gearbox and the gear pump or other mechanical devices, and the locking mechanism is provided, when the hydraulic device is needed to lift or the power output of the gearbox, the power is transmitted to the gear pump or other mechanical devices from the gearbox, and the gear pump of the hydraulic lifting device is not damaged due to larger torque, so that the continuous voyage mileage of the whole vehicle is prevented from being influenced.

The whole structure is simple, the operation is reliable, and the practicability is good; the shifting fork shifting part and the reverse taper angle of the gear have self-locking function, so that the problem of unstable gear is solved, the stable work of the gear pump is ensured, and the problem of gear disengagement is thoroughly solved; the oil lubrication sealing performance is good.

Drawings

FIG. 1 is an assembly view provided by the present utility model;

FIG. 2 is an assembly view of the present utility model providing another perspective;

FIG. 3 is a cross-sectional view provided by the present utility model;

Wherein:

1. A connecting shaft; 2. a bearing I; 3. a small box body; 4. a shift shaft; 5. a locking screw; 6. a poking head sleeve; 7. a poking head; 8. positioning a shaft; 9. self-locking pin shaft; 10. a compression spring; 11. a connecting disc; 12. a bearing II; 13. an oil seal; 14. a power take-off shaft; 15. clamping springs; 16. a sliding gear.

Detailed Description

The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the utility model, and to aid in its practice, by those skilled in the art.

Specifically, as shown in fig. 1 to 3, the mechanical power separation mechanism comprises a connecting shaft 1, a bearing i2, a small box 3, a gear shifting shaft 4, a locking screw 5, a gear shifting sleeve 6, a gear shifting head 7, a positioning shaft 8, a self-locking pin 9, a compression spring 10, a connecting disc 11, a bearing ii 12, an oil seal 13, a power taking shaft 14, a clamp spring 15 and a sliding gear 16.

The connecting shaft 1 is rotatably connected with the small box body 3 through a bearing I2, and one end of the connecting shaft 1 is connected with the sliding gear 16 through an external spline.

The flange on the connecting shaft 1 is connected with the internal gear shaft of the gearbox, the other end of the connecting shaft is connected with the flange of the gear pump or other mechanical devices through a notch on the power taking shaft 14, the output power of the gearbox is converted into the input power of the gear pump or other mechanical devices, the connecting shaft 1 is arranged in the small box body 3 and the connecting disc 11, the separating device, the gearbox, the gear pump or other mechanical devices are connected through fastening bolts, the power transmission and disconnection are realized through the engagement of the sliding gears 16, and the service life of the gear pump or other mechanical devices and the endurance mileage of the electric motor tricycle are improved;

The locking screw 5 is arranged at the bottom of the gear shifting shaft 4, the shift sleeve 6 and the shift head 7 are sleeved on the gear shifting shaft 4, and the shift sleeve 6 and the shift head 7 are clamped.

The self-locking pin shaft 9 is in abutting arrangement with the shifting head 7, the positioning shaft 8 is arranged on the surface of the self-locking pin shaft 9, and the compression spring 10 is arranged in the self-locking pin shaft 9.

It should be noted that, through the cooperation of the self-locking pin shaft 9 and the shifting head 7, the shifting head 7 has a stable working state by limiting the displacement of the shifting head 7, thereby limiting the displacement of the sliding gear 16 and preventing gear disengagement;

The connecting disc 11 is connected with the other end of the small box body 3, and the power taking shaft 14 is rotatably connected with the connecting disc 11 through a bearing II 12.

It should be noted that, the external teeth of the sliding gear 16 and the power take-off shaft 14 are both provided with inverted cone angles, when axial force is applied after the gears are meshed, the meshed gears are relieved from being stressed through mutual friction of the inverted cone angle teeth, and further gear locking is achieved, so that gear reliability is improved;

The oil seal 13 is arranged between the power take-off shaft 14 and the connecting disc 11, and the clamp spring 15 is sleeved on one end surface of the power take-off shaft 14.

It should be noted that, the oil seal 13 can effectively prevent the lubricating oil of the gearbox from overflowing, effectively prevent external sundries from entering the small box body 3, and effectively protect the internal bearings and gears.

The following describes specific modes of operation with specific examples:

example 1

The small box body 3 is provided with a corresponding input end connecting shaft 1, the connecting disc 11 is provided with a corresponding output end power taking shaft 14, a flange on the connecting shaft 1 is in a normal joint state with an interface on the gearbox and is used for receiving power of the gearbox or other devices, and a groove on the power taking shaft 14 corresponds to a flange on the gear pump or other mechanical devices and is used for transmitting the received power of the gearbox to the gear pump or other mechanical devices.

Example 2

And the small box body 3 and the connecting disc 11 are sequentially arranged in the shell along the direction from the input end connecting shaft 1 to the output end power take-off shaft 14, wherein the internal spline of the sliding gear 16 is matched with the spline on the connecting shaft 1, and the external spline corresponds to the internal spline on the power take-off shaft 14.

Example 3

The shift shaft 4 is rotated to drive the shift sleeve 6 to rotate, the shift sleeve 6 rotates around the shift shaft 4, a rotating groove formed in the surface of the shift sleeve abuts against a transmission flange on the surface of the shift sleeve, the shift sleeve 7 is driven to rotate, and the sliding gear 16 is engaged with or disengaged from the power take-off shaft 14 through rotation of the shift sleeve 7, so that power output is transmitted or disconnected.

Example 4

Under the action of a compression spring 10, a positioning shaft and a guide groove on a pin shaft head are respectively matched with a V-shaped pin withdrawing groove on a shifting head sleeve 6 and a positioning notch on the shifting head 7, when shifting gears, the width of a transmission groove on the shifting head sleeve 6 is larger than that of a matched stop block on the shifting head 7, so that when the shifting head sleeve 6 rotates by an angle corresponding to the width difference between the transmission groove and the stop block, the shifting head 7 can rotate along with the transmission groove, at the moment, the positioning shaft and the guide groove of the self-locking pin shaft 9 are matched with the V-shaped pin withdrawing groove on the shifting head 6, the self-locking pin shaft 9 can smoothly overcome the elastic force of the compression spring 10, and move to the opposite direction, so that the self-locking pin shaft 9 is far away from the positioning notch of the shifting head 7, the transmission groove of the self-locking pin shaft sleeve 6 is continuously rotated, the transmission groove of the self-locking pin shaft sleeve 9 is matched with the matched stop block on the shifting head 7, and finally the shifting head sleeve 7 is completely matched with the sliding gear 16, and the positioning shaft and the guide groove of the self-locking pin shaft 9 are continuously overcome the elastic force of the compression spring 10, and the self-locking pin shaft 9 is locked on the V-shaped groove under the action of the shifting head 7, so that the self-locking pin shaft is locked.

While the utility model has been described above by way of example with reference to the accompanying drawings, it is to be understood that the utility model is not limited to the particular embodiments described, but is capable of numerous insubstantial modifications of the inventive concept and solution; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.

Claims (1)

1. The mechanical power separation mechanism is characterized by comprising a connecting shaft (1), a bearing I (2), a small box body (3), a gear shifting shaft (4), a locking screw (5), a shifting sleeve (6), a shifting head (7), a positioning shaft (8), a self-locking pin shaft (9), a compression spring (10), a connecting disc (11), a bearing II (12), an oil seal (13), a power taking shaft (14), a clamp spring (15) and a sliding gear (16);

The connecting shaft (1) is rotationally connected with the small box body (3) through a bearing I (2), and one end of the connecting shaft (1) is connected with the sliding gear (16) through an external spline;

The locking screw (5) is arranged at the bottom of the gear shifting shaft (4), the shifting sleeve (6) and the shifting head (7) are sleeved on the gear shifting shaft (4), and the shifting sleeve (6) and the shifting head (7) are clamped;

The self-locking pin shaft (9) is in abutting arrangement with the poking head (7), the positioning shaft (8) is arranged on the surface of the self-locking pin shaft (9), and the compression spring (10) is arranged in the self-locking pin shaft (9);

The connecting disc (11) is connected with the other end of the small box body (3), and the power taking shaft (14) is rotationally connected with the connecting disc (11) through a bearing II (12);

The oil seal (13) is arranged between the power take-off shaft (14) and the connecting disc (11), and the clamp spring (15) is sleeved on one end surface of the power take-off shaft (14).