Spline automatic line feed mechanism suitable for new energy automobile

Abstract

The utility model relates to the technical field of spline shaft replacement, in particular to an automatic spline line-changing mechanism suitable for a new energy automobile, which comprises a quick-changing seat, the quick-changing seat is coaxially provided with an insertion hole, a driving shaft is inserted into the insertion hole, the driving shaft is provided with a groove, the quick-changing seat is provided with a plurality of grooves, the grooves are aligned with the groove, and the quick-changing seat is provided with a plurality of clamping grooves. The outer portion of the quick-change seat is coaxially sleeved with a quick-change sleeve, a spring is arranged between the quick-change sleeve and the quick-change seat, the quick-change sleeve is provided with a pushing mechanism in a matched mode, the two ends of the groove are communicated, the inner side of the quick-change sleeve can abut against the multiple steel balls for limitation, and the groove can abut against the multiple steel balls for limitation. The spline shaft assembly is simple in structure and easy to install, has good flexibility and stability on the whole, can achieve the effect of timely replacement when the spline shaft is damaged, and has high working efficiency on the whole.

Description

TECHNICAL FIELD

[0001] The utility model relates to spline shaft replacement technical field especially suitable for spline automatic line changing mechanism for new energy automobile. BACKGROUND

[0002] The spline shaft is a kind of mechanical transmission element with longitudinal keyway on the outer surface of shaft, the rotating part on the shaft also has corresponding keyway, to keep synchronous rotation with shaft, the main function of spline shaft is to transmit torque from one rotating part to another rotating part, ensure synchronous rotation, improve the compactness and overall efficiency of equipment, and provide higher centering accuracy, thereby improve the reliability and service life of system, it is widely used in the equipment of new energy automobile production.

[0003] When the automatic equipment of new energy automobile production is maintained spline shaft, spline shaft is often manually removed, the existing line changing technology is to manually remove screw, then spline shaft is taken down, manual dismounting process is long, and efficiency is not high.

[0004] Therefore, we propose a kind of spline automatic line changing mechanism suitable for new energy automobile to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art and proposes a kind of spline automatic line changing mechanism suitable for new energy automobile.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of spline automatic line changing mechanism suitable for new energy automobile, including quick-change seat, the quick-change seat is coaxially provided with insertion hole, and drive shaft is inserted in insertion hole, groove is provided on drive shaft, a plurality of recesses are provided on quick-change seat, and a plurality of recesses are aligned with groove setting;

[0008] Steel ball is arranged in the recess, quick-change sleeve is coaxially arranged outside quick-change seat, spring is arranged between quick-change sleeve and quick-change seat, quick-change sleeve is matched with push mechanism, recess two ends are communicated, quick-change sleeve inner side can be abutted with a plurality of steel balls and be limited, groove can also be abutted with a plurality of steel balls and be limited.

[0009] Preferably, the groove is annular and coaxially arranged on the drive shaft.

[0010] Preferably, a plurality of recesses are equidistantly arranged, and a plurality of recesses are arranged around the axis of quick-change seat.

[0011] Preferably, the spring is coaxially arranged outside the quick-change seat, the spring is located between the quick-change seat and the quick-change sleeve, the quick-change sleeve is provided with a cavity corresponding to the spring, the spring is arranged in the cavity, and the two ends of the spring are fixedly connected with the quick-change seat and the quick-change sleeve respectively.

[0012] Preferably, the quick change sleeve is coaxially provided with a ring-shaped protrusion at one end away from the spring, and the ring-shaped protrusion is located at the inner diameter of the quick change sleeve and can abut against the plurality of steel balls.

[0013] Preferably, the quick change seat is further provided with a plurality of screw holes arranged around the axis of the quick change seat, the screw holes are threadedly connected with matching hexagonal flat head screws, and the hexagonal flat head screws are matched with flat washers.

[0014] Preferably, one end of the quick change seat is further provided with a guide rod air cylinder, the guide rod air cylinder is connected with a shift fork, the guide rod air cylinder can drive the shift fork to move telescopically, and the shift fork can push the quick change sleeve to move.

[0015] Compared with the prior art, the quick change seat has the following beneficial effects:

[0016] The quick change sleeve is not stuck during installation and dismounting, has flexibility and stability, and can be reset when the guide rod air cylinder is retracted, and the working position is unchanged during resetting, so that the overall structure is simple, easy to install, the spline shaft can be replaced in time when damaged, and the efficiency of the automatic equipment during maintenance work is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0018] Figure 1 is a structural schematic view of the present application;

[0019] Figure 2 is an axonometric view of the quick change seat and the drive shaft of the present application;

[0020] Figure 3 is an exploded view of the quick change seat and the drive shaft of the present application;

[0021] Figure 4 is Figure 3 is a local enlarged view of position A in FIG.

[0022] Figure 5 is a sectional view of the quick change seat and the drive shaft and the quick change sleeve of the present application;

[0023] Figure 6 is a front view of the present application.

[0024] In the figure: 1, quick change seat; 2, drive shaft; 3, quick change sleeve; 4, steel ball; 5, flat washer; 6, inner hexagonal flat round head screw; 7, spring; 8, yoke; 9, guide rod cylinder; 10, groove; 11, recess; 12, annular protrusion. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , a spline automatic line changing mechanism suitable for new energy vehicles, comprising a quick change seat 1, the quick change seat 1 is coaxially provided with a socket, and a drive shaft 2 is inserted in the socket, the drive shaft 2 is provided with a groove 10, the quick change seat 1 is provided with a plurality of recesses 11, and the plurality of recesses 11 are arranged in alignment with the groove 10.

[0028] The recess 11 is provided with a steel ball 4, the quick change seat 1 is coaxially provided with a quick change sleeve 3 outside, the quick change sleeve 3 and the quick change seat 1 are provided with a spring 7, the quick change sleeve 3 is provided with a pushing mechanism, the recess 11 is communicated at both ends, the inside of the quick change sleeve 3 can abut against and limit the plurality of steel balls 4, and the groove 10 can also abut against and limit the plurality of steel balls 4.

[0029] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, the quick change seat 1 is connected with the existing shafting assembly, and the shafting assembly comprises a motor and the like.

[0030] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, the drive shaft 2 is a spline shaft with a model of DHT150.

[0031] As a technical optimization scheme of the utility model, the groove 10 is annular and coaxially arranged on the drive shaft 2.

[0032] As a technical optimization scheme of the utility model, multiple grooves 11 are equidistantly arranged, and the multiple grooves 11 are arranged around the shaft of the quick-change seat 1.

[0033] As a technical optimization scheme of the utility model, the spring 7 is coaxially sleeved outside the quick-change seat 1, the spring 7 is located between the quick-change seat 1 and the quick-change sleeve 3, the quick-change sleeve 3 is provided with a cavity corresponding to the spring 7, the spring 7 is arranged in the cavity, and the two ends of the spring 7 are fixedly connected with the quick-change seat 1 and the quick-change sleeve 3 respectively. The spring 7 has the effect of positioning the quick-change sleeve 3, the quick-change sleeve 3 can be pushed and moved, and the spring 7 can reset the quick-change sleeve 3.

[0034] As a technical optimization scheme of the utility model, the end, away from the spring 7, of the quick-change sleeve 3 is coaxially provided with a ring-shaped lug 12, and the ring-shaped lug 12 is located at the inner diameter of the quick-change sleeve 3, and the ring-shaped lug 12 can abut against and limit the multiple steel balls 4. The quick-change sleeve 3 can position and limit the steel balls 4.

[0035] As a technical optimization scheme of the utility model, the quick-change seat 1 is further provided with multiple screw holes, the multiple screw holes are arranged around the shaft of the quick-change seat 1, the screw holes are screw threadedly connected with the matching internal hexagonal flat round head screws 6, and the internal hexagonal flat round head screws 6 are matchingly provided with flat washers 5. By arranging the flat washers 5 and the internal hexagonal flat round head screws 6, locking operation can be performed, and the stability of the device is greatly improved.

[0036] As a technical optimization scheme of the utility model, one end of the quick-change seat 1 is further provided with a guide rod air cylinder 9, the guide rod air cylinder 9 is connected with a yoke 8, the guide rod air cylinder 9 can drive the yoke 8 to extend and retract, and the yoke 8 can push and move the quick-change sleeve 3.

[0037] In the utility model, the working principle of the device is as follows:

[0038] In the device stop working state, the guide rod air cylinder 9 extends, drives the yoke 8 to move forward and push the quick-change sleeve 3, the spring 7 contracts, the ring-shaped lug 12 of the quick-change sleeve 3 is separated from the multiple steel balls 4, the steel balls 4 are no longer limited by the quick-change sleeve 3, then the driving shaft 2 is manually pulled out and removed, in the pulling-out process, the multiple steel balls 4 are pushed and moved to one end of the groove 11 and do not hinder the driving shaft 2. Then a new driving shaft 2 is replaced, the guide rod air cylinder 9 retracts, drives the yoke 8 to move backward, the quick-change sleeve 3 is reset through the spring 7, and the multiple steel balls 4 are correspondingly pushed, so that the steel balls 4 abut against the groove 10 of the driving shaft 2, thereby positioning and limiting the driving shaft 2. The device is provided with the steel balls 4, so that the quick-change sleeve 3 is not stuck when being installed and removed, the flexibility is greatly improved, the spring 7 is arranged, so that the quick-change sleeve 3 can be reset when the guide rod air cylinder 9 retracts, and the working position is unchanged during resetting. The overall structure is simple, easy to install, the spline shaft can be replaced in time when damaged, and the efficiency of the automatic device during maintenance work can be effectively improved.

[0039] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. A spline automatic line changing mechanism suitable for new energy vehicles, comprising a quick-change seat (1), characterized in that, The quick-change seat (1) is coaxially provided with a socket, and a driving shaft (2) is inserted in the socket, the driving shaft (2) is provided with a groove (10), the quick-change seat (1) is provided with a plurality of grooves (11), and the plurality of grooves (11) are arranged in alignment with the groove (10); The groove (11) is provided with a steel ball (4), the quick-change seat (1) is coaxially provided with a quick-change sleeve (3) outside, the quick-change sleeve (3) and the quick-change seat (1) are provided with a spring (7) therebetween, the quick-change sleeve (3) is provided with a pushing mechanism in matching mode, the grooves (11) are communicated at both ends, the inside of the quick-change sleeve (3) can abut against and limit the plurality of steel balls (4), and the groove (10) can also abut against and limit the plurality of steel balls (4).

2. The spline automatic line changing mechanism suitable for a new energy vehicle according to claim 1, characterized in that, The groove (10) is annular and coaxially arranged on the driving shaft (2).

3. The spline automatic line changing mechanism suitable for a new energy vehicle according to claim 1, characterized in that, The plurality of grooves (11) are equidistantly arranged and surround the axis of the quick-change seat (1).

4. The spline automatic line changing mechanism suitable for new energy vehicles according to claim 1, characterized in that, The spring (7) is coaxially sleeved outside the quick-change seat (1), the spring (7) is located between the quick-change seat (1) and the quick-change sleeve (3), the quick-change sleeve (3) is provided with a cavity corresponding to the spring (7), the spring (7) is arranged in the cavity, and the two ends of the spring (7) are fixedly connected with the quick-change seat (1) and the quick-change sleeve (3) respectively.

5. The spline automatic line changing mechanism suitable for new energy vehicles according to claim 1, characterized in that, The end, away from the spring (7), of the quick-change sleeve (3) is coaxially provided with an annular protrusion (12), and the annular protrusion (12) is located at the inner diameter of the quick-change sleeve (3), and the annular protrusion (12) can abut against and limit the plurality of steel balls (4).

6. The spline automatic line changing mechanism suitable for a new energy vehicle according to claim 1, characterized in that, The quick-change seat (1) is further provided with a plurality of screw holes, the plurality of screw holes surround the axis of the quick-change seat (1), the screw holes are screw-threadedly connected with a hexagonal flat head screw (6) in matching mode, and the hexagonal flat head screw (6) is provided with a flat washer (5) in matching mode.

7. The spline automatic line changing mechanism suitable for new energy vehicles according to claim 1, characterized in that, One end of the quick-change seat (1) is further provided with a guide rod air cylinder (9), the guide rod air cylinder (9) is connected with a yoke (8), the guide rod air cylinder (9) can drive the yoke (8) to move in an extending and retracting mode, and the yoke (8) can drive the quick-change sleeve (3) to move.

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