CN209774538U

CN209774538U - Motor bearing detacher

Info

Publication number: CN209774538U
Application number: CN201920230677.2U
Authority: CN
Inventors: 郭文祥
Original assignee: XIANGCHI GRAIN AND OIL CO Ltd SHANDONG
Current assignee: XIANGCHI GRAIN AND OIL CO Ltd SHANDONG
Priority date: 2019-02-21
Filing date: 2019-02-21
Publication date: 2019-12-13
Anticipated expiration: 2029-02-21

Abstract

The utility model provides a motor bearing detacher, including sleeve, screw rod and driving motor. One end of the sleeve is provided with a top plate, and a through hole and a corresponding nut are arranged in the center of the top plate. One end of the screw penetrates through the nut and is inserted into the through hole, and the other end of the screw is coaxially and fixedly connected with a driving motor shaft of the driving motor. The side wall of the other end of the sleeve is provided with a bearing groove, the other end of the sleeve is provided with a bottom plate, and the bottom plate is provided with a clamping groove. Preferably, the side wall of the sleeve is further provided with a main shaft groove connected with the bearing groove. The utility model discloses a motor bearing detacher adopts mechanical device to replace manual knockout, and efficiency is higher, and dismantles the in-process bearing atress even, is difficult impaired.

Description

Motor bearing detacher

Technical Field

The utility model relates to an electrical equipment technical field, concretely relates to motor bearing detacher.

Background

The motor bearing is also named as a motor bearing or a motor bearing, and is a special bearing specially applied to a motor or a motor. The bearing used in the motor is a part for supporting the shaft, and can guide the rotation of the shaft and bear the idle part on the shaft. Motor bearings utilize smooth metal balls or rollers and lubricated inner and outer race metal surfaces to reduce friction. These balls or rollers "carry" the load and support the motor shaft so that the motor (rotor) can rotate smoothly.

At present, when the motor bearing is disassembled, the bearing inner ring and the shaft are in interference fit, so the disassembly is difficult. The common method of disassembly is by hand striking with a copper bar. Firstly, the operation efficiency is too low, and time and labor are wasted; secondly, the workpiece is easy to be damaged, the bearing and the bearing mounting hole are often damaged due to the error of knocking, and the bearing is cracked and reported in serious conditions, so that the overhauling quality of the motor is influenced.

Therefore, there is a need for a motor bearing removal apparatus that is less prone to damage to the bearing and associated motor components.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor bearing detacher to solve the problem of current manual dismantlement method inefficiency, vulnerable work piece.

The utility model provides a motor bearing detacher, including sleeve, screw rod and driving motor. The sleeve one end is equipped with the roof, the central point of roof puts and is equipped with the through-hole, the roof outside is in the relevant position of through-hole is fixed with the nut. One end of the screw rod penetrates through the nut and is inserted into the through hole, the external thread of the screw rod is matched with the internal thread of the nut, and the other end of the screw rod is coaxially and fixedly connected with the extending end of a driving motor shaft of the driving motor. The side wall of the other end of the sleeve is provided with a bearing groove, the other end of the sleeve is provided with a bottom plate, and the bottom plate is provided with a clamping groove.

Preferably, the side wall of the sleeve is further provided with a main shaft groove, and the main shaft groove is connected with the bearing groove.

Specifically, the length of the screw is 1.5 to 2.0 times of the length of the sleeve.

Preferably, the sleeve is cylindrical, and a cross-sectional diameter of the sleeve is smaller than a cross-sectional diameter of the target motor and larger than a cross-sectional diameter of the bearing.

Preferably, the width of the clamping groove is larger than the diameter of the main shaft and smaller than the cross-sectional diameter of the bearing. More preferably, a movable clamping block, a clamping block groove and an adjusting groove are arranged in the clamping groove, a clamping tooth is arranged at the lower end of the movable clamping block, the clamping tooth is installed in the clamping block groove, the movable clamping block can slide along the clamping block groove, a rotatable adjusting shaft is arranged in the adjusting groove, an adjusting thread is arranged on the adjusting shaft, and the adjusting thread is matched with the clamping tooth.

Specifically, the screw rod and the driving motor shaft are connected through welding, a coupling or threads.

When dismantling the motor bearing, at first will the utility model discloses a draw-in groove card of detacher is gone into between bearing and the target motor, and this process can be made things convenient for in the existence of bearing groove and main shaft groove. Then, the screw rod is screwed through the driving motor, the screw rod is enabled to be propped against the end face of the main shaft, then the screw rod continues to rotate, the bearing is gradually pulled out of the main shaft through the clamping groove along with the screw rod screwing in towards the bearing, and the bearing is disassembled.

The utility model has the advantages that,

1. And a mechanical device is adopted to replace manual knockout, so that the efficiency is higher, and the workpiece can not be damaged.

2. The clamping groove is used for applying force to the bearing, the bearing is stressed evenly, deviation cannot occur in the dismounting process, and the bearing is not easy to damage.

3. The screw rod is screwed by using the driving motor, and compared with manual screwing, the screw rod is quicker and more effective.

4. The width of draw-in groove is adjustable, makes the utility model discloses a detacher is applicable to the bearing of different diameter specifications.

Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front view structure diagram of the motor bearing detacher of the present invention.

Fig. 2 is a schematic bottom view of the motor bearing detacher of the present invention.

fig. 3 is a schematic structural diagram of the bottom plate of the motor bearing detacher of the present invention.

Fig. 4 is a schematic view of the use state of the motor bearing detacher of the present invention.

Fig. 5 is a schematic structural diagram of the adjustable clamping groove of the motor bearing detacher of the present invention.

Fig. 6 is a right side view of the adjustable card slot of fig. 5.

In the figure, 1, a sleeve, 2, a spindle groove, 3, a bearing groove, 4, a bottom plate, 5, a top plate, 6, a nut, 7, a screw rod, 8, a driving motor, 9, a driving motor shaft, 10, a clamping groove, 11, a spindle, 12, a bearing, 13, a target motor, 101, a movable clamping block, 102, a clamping tooth, 103, an adjusting groove, 104, an adjusting shaft, 105, an adjusting thread, 106 and a clamping block groove.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Examples

The embodiment provides a motor bearing detacher, which comprises a sleeve 1, a screw 7 and a driving motor 8, as shown in fig. 1 and 2. Sleeve 1 one end is equipped with roof 5, the central point of roof 5 puts and is equipped with the through-hole, the roof 5 outside is in the relevant position of through-hole is fixed with nut 6, and the one end of screw rod 7 is passed nut 6 inserts in the through-hole, and the external screw thread of screw rod 7 and the internal thread phase-match of nut 6, the other end of screw rod 7 and the drive motor shaft 9 of driving motor 8 stretch out end coaxial welding, the length of screw rod 7 does 1.7 times of sleeve 1 length.

And a bearing groove 3 and a main shaft groove 2 are arranged on the side wall of the other end of the sleeve 1, and the main shaft groove 2 is connected with the bearing groove 3. The shape of the bearing groove 3 is matched with that of the bearing 12, and the shape of the main shaft groove 2 is matched with that of the main shaft 11. The other end is provided with a bottom plate 4, and the bottom plate 4 is provided with a clamping groove 10, as shown in fig. 2.

The sleeve 1 is cylindrical, and the diameter of the cross section of the sleeve 1 is smaller than that of the cross section of the target motor 13 and larger than that of the cross section of the bearing 12, so that the sleeve 1 can be sleeved outside the bearing 12 and can abut against the target motor 13 when the bearing 12 is detached. As shown in fig. 5 and 6, a movable clamping block 101, a clamping block groove 106 and an adjusting groove 103 are arranged in the clamping groove 10, a clamping tooth 102 is arranged at the lower end of the movable clamping block 101, the clamping tooth 102 is arranged in the clamping block groove 106, so that the movable clamping block 101 can slide along the clamping block groove 106, a rotatable adjusting shaft 104 is arranged in the adjusting groove 103, an adjusting thread 105 is arranged on the adjusting shaft 104, and the adjusting thread 105 is matched with the clamping tooth 102. The position of the movable clamping block 101 can be adjusted by rotating the adjusting shaft 104, and then the width of the clamping groove 10 is adjusted, so that the adjustable clamping device is suitable for bearings with different diameters. .

A bracket (not shown) is provided below the drive motor 8 to support the drive motor at a suitable height to enable the screw to be aligned with the spindle when the bearing is removed.

Referring to fig. 4, when disassembling the bearing 12 of the target motor 13, firstly, the clamping groove 10 of the detacher of the present invention is clamped between the bearing 12 and the target motor 13, and the existence of the bearing groove 3 and the main shaft groove 2 makes it possible to directly telescope the bearing 12 and the main shaft 11 from the side of the sleeve 1 conveniently. Then, the driving motor 8 is started, the driving motor shaft 9 rotates, and the screw 7 connected with the driving motor shaft is screwed, so that the screw 7 extends into the sleeve 1 and is pressed against the end face of the main shaft 11. And then, the screw 7 is continuously rotated, the clamping groove 10 applies pulling force to the bearing 12 along with the screw 7 screwing towards the bearing 12, the bearing 12 is gradually pulled towards the direction away from the target motor 13 until the bearing is pulled away from the main shaft 11, the driving motor 8 is stopped, and the bearing 12 is detached.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a motor bearing detacher, its characterized in that includes sleeve (1), screw rod (7) and driving motor (8), and sleeve (1) one end is equipped with roof (5), the central point of roof (5) puts and is equipped with the through-hole, roof (5) outside is in the relevant position of through-hole is fixed with nut (6), and the one end of screw rod (7) is passed nut (6) insert in the through-hole, and the external screw thread of screw rod (7) and the internal thread phase-match of nut (6), the other end of screw rod (7) and the coaxial fixed connection of the end that stretches out of driving motor shaft (9) of driving motor (8), be equipped with bearing groove (3) on the lateral wall of the sleeve (1) other end, just the other end is equipped with bottom plate (4), be equipped with draw-in groove (10).

2. The motor bearing remover according to claim 1, characterized in that a main shaft groove (2) is further formed on the side wall of the sleeve (1), and the main shaft groove (2) is connected with the bearing groove (3).

3. Motor bearing remover according to claim 1, characterized in that said screw (7) has a length of 1.5-2.0 times the length of said sleeve (1).

4. Motor bearing remover according to claim 1, characterized in that said sleeve (1) is cylindrical and that the cross-sectional diameter of said sleeve (1) is smaller than the cross-sectional diameter of the target motor (13) and larger than the cross-sectional diameter of the bearing (12).

5. Motor bearing remover according to claim 4, characterized in that said width of said clamping groove (10) is larger than the diameter of the main shaft (11) and smaller than the cross-sectional diameter of said bearing (12).

6. Motor bearing remover according to claim 5, characterized in that said snap groove (10) is width adjustable.

7. The motor bearing detacher as recited in claim 6, wherein the locking groove (10) is provided with a movable locking block (101), a locking block groove (106) and an adjusting groove (103), the lower end of the movable locking block (101) is provided with a locking tooth (102), the locking tooth (102) is installed in the locking block groove (106) to enable the movable locking block (101) to slide along the locking block groove (106), the adjusting groove (103) is provided with a rotatable adjusting shaft (104), the adjusting shaft (104) is provided with an adjusting thread (105), and the adjusting thread (105) is matched with the locking tooth (102).

8. Motor bearing remover according to any of claims 1-7, characterized in that said screw (7) and said drive motor shaft (9) are connected by welding, coupling or threading.