Motor rotating shaft with stable structure

Abstract

The utility model discloses a motor rotating shaft with a stable structure, belongs to the related technical field of motors, and aims to solve the problem that a common motor rotating shaft in the prior art is easy to shake and shift due to lack of an effective stable structure in the installation and use process. The problems that the transmission efficiency of a motor is affected, abrasion between a rotating shaft and other components is possibly intensified, and the service life of the motor is shortened are solved, and the motor comprises the motor, the rotating shaft is installed at the position of the motor, a supporting seat is connected with a threaded hole in the position of the motor through a bolt, and the supporting seat is connected with a second sleeve body. The supporting seat is connected with the motor and the second sleeve body, a firm supporting point is constructed at the exposed position of the rotating shaft, shaking and displacement of the rotating shaft during operation are effectively reduced, the stability and reliability of overall operation of the motor are improved, the transmission efficiency of the motor is guaranteed, and the service life of the motor is prolonged. And the service life of the motor is also ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor related technical field, more specifically, it is especially related to a motor rotating shaft with stable structure. BACKGROUND

[0002] Motor rotating shaft is the "power spine" of motor, and is the key part to ensure normal operation of motor. In material selection, 40Cr medium carbon alloy steel is often used, and the comprehensive mechanical properties are improved through forging and heat treatment to ensure that deformation and fracture do not occur under high load. The manufacturing process of rotating shaft is extremely precise, and the size tolerance is controlled in microns in turning and grinding processes to ensure accurate cooperation with other parts. In the operation process of motor, the rotating shaft plays a crucial role, which is responsible for transmitting the power generated by the motor.

[0003] However, the existing motor rotating shaft has some deficiencies in actual use. At present, the common motor rotating shaft is prone to shaking and deviation during installation and use due to the lack of effective stable structure. This not only affects the transmission efficiency of the motor, but also may cause the wear between the rotating shaft and other parts to increase, thereby shortening the service life of the motor. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a motor rotating shaft with stable structure to solve the technical problem that the common motor rotating shaft in the prior art is prone to shaking and deviation during installation and use due to the lack of effective stable structure. This not only affects the transmission efficiency of the motor, but also may cause the wear between the rotating shaft and other parts to increase, thereby shortening the service life of the motor.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a motor rotating shaft with stable structure, comprising a motor, a rotating shaft installed at the motor, a first sleeve provided at the rotating shaft, a second sleeve rotatably connected to the first sleeve through a bearing, a plurality of support seats provided at the second sleeve, two groups of bolts penetrating through the plurality of support seats, a plurality of threaded holes provided at the motor, and a plurality of bolts respectively threadedly connected to the corresponding threaded holes.

[0006] As a preferred technical scheme of the utility model, a plurality of insertion slots are provided at the second sleeve, and part of the insertion slots are respectively slidably connected to the corresponding support seats. The insertion slots and the support seats are adapted to each other at the connection position.

[0007] As a preferred technical scheme of the utility model, a plurality of gaskets penetrate through the plurality of bolts, and the plurality of gaskets are placed between the corresponding bolts and the support seats.

[0008] As the preferred technical scheme of the utility model, the rotating shaft and the first sleeve body are connected by a key.

[0009] As the preferred technical scheme of the utility model, the first sleeve body and the second sleeve body are made of high-strength alloy steel material.

[0010] As the preferred technical scheme of the utility model, the head of the plurality of bolts is a hexagonal block.

[0011] The utility model provides a motor rotating shaft with stable structure has the following beneficial effect:

[0012] The utility model discloses a motor, rotating shaft, first sleeve body, bearing, second body, support seat, screw hole and bolt cooperation, utilize support seat with the connection of bolt and motor screw hole, support seat and the connection of second sleeve body, make the exposed place of rotating shaft get a support, and then utilize support seat and the connection of motor and second sleeve body, and the exposed place of rotating shaft constructs a solid support point, effectively reduces the shaking and displacement when rotating shaft operation, improves the stability and reliability of motor whole operation, guarantees the transmission efficiency of motor, and also guarantees the service life of motor.

[0013] 2, through the cooperation between the first sleeve body, the screw hole, the slot, the support seat and the bolt, utilize the plurality of slots at the first sleeve body, and the support seat can be installed in different numbers at the slot of the first sleeve body according to actual demand, so that the number of support seats installed at the slot of the first sleeve body can be flexibly determined according to the actual demand of the load size and the operation condition complexity of the rotating shaft. When the rotating shaft faces a larger torque or vibration impact, the number of support seats can be increased to strengthen the supporting effect. When the load is small, the number of support seats is appropriately reduced, so that the supporting function is guaranteed while the cost and structural complexity are reduced. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic view of the utility model structure;

[0015] Figure 2 It is Figure 1 The structure schematic view of motor, rotating shaft and screw hole;

[0016] Figure 3 It is Figure 1 The structure schematic view of screw hole, slot and gasket;

[0017] Figure 4 It is Figure 1 The structure schematic view of support seat;

[0018] Figure 5 It is Figure 1 The structure schematic view of first sleeve body, second sleeve body and slot.

[0019] In the figure: 1, motor; 2, rotating shaft; 3, first sleeve; 4, bearing; 5, second sleeve; 6, support seat; 7, bolt; 8, threaded hole; 9, slot; 10, gasket. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0021] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a motor rotating shaft with stable structure, including motor 1, motor 1 is installed with rotating shaft 2, rotating shaft 2 is equipped with first sleeve 3, first sleeve 3 is connected with second sleeve 5 through the bearing 4 rotation, bearing 4 selects high-precision rolling bearing, such as deep groove ball bearing or angular contact ball bearing, according to the specific working condition and load characteristics of motor 1, second sleeve 5 is equipped with a plurality of support seats 6, a plurality of support seats 6 are evenly distributed along the circumferential direction of second sleeve 5, can provide balanced support force to rotating shaft 2, a plurality of support seats 6 are all penetrated with two groups of bolts 7, motor 1 is equipped with a plurality of threaded holes 8, a plurality of bolts 7 are respectively connected with corresponding threaded holes 8 by screw thread.

[0024] Among them, the second set of body 5 is provided with a plurality of groups of slots 9, and part of the slots 9 are respectively connected with the corresponding support seats 6 in sliding mode. The connection between the slots 9 and the support seats 6 is matched, the slots 9 are T-shaped, and the support seats 6 can freely slide in the slots 9. This design makes the installation position of the support seat 6 flexible according to actual needs. When the shaft 2 is subjected to forces in different directions during operation, the position of the support seat 6 can be adjusted to better withstand the load and enhance the stability of the shaft 2.

[0025] Among them, a plurality of groups of bolts 7 are penetrated by gaskets 10, and the plurality of groups of gaskets 10 are placed between the corresponding bolts 7 and the support seats 6. The main function of the gaskets 10 is to increase the contact area between the bolts 7 and the support seats 6, and to disperse the fastening force of the bolts 7 to prevent the surface of the support seat 6 from being deformed or damaged due to excessive local pressure when the bolts 7 are tightened. At the same time, the gaskets 10 can also play a certain anti-loosening role. During the operation of the motor 1, the bolts 7 may loosen due to factors such as vibration and impact. The elastic deformation of the gaskets 10 can compensate for the loosening of the bolts 7 to a certain extent to ensure the reliability of the connection.

[0026] Among them, the shaft 2 and the first set of body 3 are connected by keys. On the outer circumferential surface of the shaft 2, key grooves are machined on the shaft 2 and the first set of body 3, respectively, and the keys are installed in the key grooves to realize the circumferential fixation and torque transmission between the two. The key connection has the advantages of simple structure, convenient installation, and high centering accuracy, which can ensure the relative position between the shaft 2 and the first set of body 3 to be fixed, effectively transmit the power of the motor 1, and avoid slipping during operation.

[0027] Among them, the first set of body 3 and the second set of body 5 are made of high-strength alloy steel material.

[0028] Among them, the heads of the plurality of groups of bolts 7 are hexagonal blocks. This shape facilitates tightening and disassembly operations using wrenches or sleeves, improving the convenience of installation and maintenance.

[0029] The specific use and role of the embodiment are as follows:

[0030] The utility model discloses a first, first body 3 is closely assembled on the pivot 2 through the key connection mode. Key connection can ensure that reliable fixation is realized between both, and effective transmission torque. After this step is completed, need according to the actual operation condition of motor 1, for example, load size, rotational speed height and vibration situation in the running process etc., flexible decision inserts the number of support seat 6 at the multiple groups of slot 9 of second body 5. If the load is larger and has obvious vibration when motor 1 runs, to strengthen the stability of pivot 2, can increase the number of support seat 6 appropriately, on the contrary, if the operation condition is more stable, and the load is lighter, then can reduce the use number of support seat 6, after the selected number of support seat 6 is inserted into the slot 9 of second body 5, uses bolt 7 to fasten and installs support seat 6 with corresponding threaded hole 8 on motor 1, by this, entire assembly work announces the completion. When motor 1 energization drive pivot 2 rotates, pivot 2 can stably drive first body 3 synchronous rotation with the help of bearing 4 between first body 3 and second body 5, and the flexible installation design of multiple groups of support seat 6 can effectively enhance the stability of pivot 2 in the running process, reduce the deformation risk of pivot 2 due to vibration or uneven load, prolong the service life of motor 1.

[0031] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A motor shaft having a robust structure, characterized by: The utility model relates to a motorized device, including motor (1), be equipped with rotating shaft (2) at motor (1), be equipped with first set body (3) at rotating shaft (2), second set body (5) is rotatably connected through bearing (4) to first set body (3), be equipped with a plurality of groups of support seat (6) at second set body (5), a plurality of groups of support seat (6) are all penetrated two groups of bolt (7), a plurality of groups of threaded hole (8) are seted up at motor (1), a plurality of groups of bolt (7) respectively with corresponding threaded hole (8) thread connection.

2. The motor rotating shaft with a stable structure according to claim 1, characterized in that: A plurality of groups of insertion groove (9) are seted up at second set body (5), part insertion groove (9) respectively with corresponding support seat (6) sliding connection, insertion groove (9) and support seat (6) connection place are matched.

3. The motor rotating shaft with a stable structure according to claim 1, characterized in that: A plurality of groups of bolt (7) are all penetrated spacer (10), a plurality of groups of spacer (10) are placed between corresponding bolt (7) and support seat (6).

4. The motor rotating shaft with a stable structure according to claim 1, characterized in that: Rotating shaft (2) and first set body (3) are key connection.

5. The motor shaft with a stable structure according to claim 1, characterized in that: First set body (3) and second set body (5) are all made of high-strength alloy steel material.

6. The motor shaft with a stable structure according to claim 1, characterized in that: The head of a plurality of groups of bolt (7) is six prismatic block.

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