A motor shaft diameter detection device

Abstract

The utility model relates to the technical field of motor shaft detection, and discloses a motor shaft diameter detection device, which comprises a base plate and a shaft body, a support plate is fixedly installed on the left end of the top of the base plate, a rotation groove is provided on the top of the right side of the support plate, a rotatable rotating part is inserted in the rotation groove, the right end of the rotating part extends out of the rotation groove, and a rod groove is provided at the right end of the rotating part, one end of the shaft body is inserted in the rod groove, a fixed plate is fixedly installed on the right end of the top of the base plate, a movable moving block is arranged between the support plate and the fixed plate, a screw hole is provided on the side of the moving block, a positioning hole is provided on the side of the moving block and below the screw hole, and a second motor is fixedly installed on the bottom of the right side of the support plate. The utility model allows the shaft body to rotate and then allows a laser ranging sensor to move horizontally along the direction of the shaft body under the rotating shaft body, so that the shaft diameter of the shaft body can be detected in an all-round and accurate manner.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor shaft detection, in particular to a motor shaft diameter detection device. Background Art

[0002] With the gradual improvement of market industrialization, the rapid development of economy and the increasing demands of modern people for work cost, efficiency and quality, the machinery manufacturing industry has higher and higher requirements for the precision and quality of its equipment parts. Some shaft workpieces with high precision requirements usually require their outer diameter to be inspected after processing. As a key component of the motor, the accuracy of the motor shaft has an important impact on the working performance of the motor. The common detection device for the motor shaft diameter cannot quickly and effectively complete the motor shaft diameter detection during use, and it is very easy for workers to make detection errors during the detection process. For this reason, the present application proposes a motor shaft diameter detection device. Utility Model Content

[0003] In order to solve the problems raised in the above-mentioned background technology, the utility model provides the following technical solutions: a motor shaft diameter detection device comprises a base plate and a shaft body, a support plate is fixedly installed at the left end of the top of the base plate, a rotation groove is provided at the top of the right side of the support plate, a rotatable rotating part is inserted in the rotation groove, the right end of the rotating part extends out of the rotation groove, and a rod groove is provided at the right end of the rotating part, one end of the shaft body is inserted in the rod groove, a fixed plate is fixedly installed at the right end of the top of the base plate, a movable moving block is arranged between the support plate and the fixed plate, a screw hole is provided on the side of the moving block, a positioning hole is provided on the side of the moving block and below the screw hole, a second motor is fixedly installed at the bottom of the right side of the support plate, a screw rod penetrating the support plate is fixedly connected at the output end of the second motor, the screw rod thread is inserted in the screw hole on the side of the moving block, a positioning rod is fixedly installed between the support plate and the fixed plate, the positioning rod is inserted in the positioning hole on the side of the moving block, and the positioning rod is located directly below the screw rod, and a laser ranging sensor is fixedly installed on the top of the moving block.

[0004] Preferably, a groove is provided on the left side of the fixed plate, a second bearing is fixedly installed in the groove, and one end of the screw rod passes through the screw hole on the side of the moving block and is fixedly connected to the inner ring wall of the second bearing.

[0005] Preferably, hydraulic rods are fixedly installed on the top and bottom of the right end of the rotating part, the telescopic ends of the two hydraulic rods extend into the rod grooves, and clamping blocks are fixedly installed on the telescopic ends of the two hydraulic rods, the two clamping blocks respectively rest on the top and bottom of one end of the shaft body, and the side walls of the shaft body clamped by the two clamping blocks are provided with arc-shaped clamping grooves.

[0006] Preferably, a first motor is fixedly installed on the left side of the support plate and above the second motor, the output end of the first motor extends into the rotating groove and is fixedly connected to the center of one end of the rotating part, an annular groove is opened on the inner wall of the rotating groove, a first bearing is fixedly installed in the annular groove, and the outer wall of the rotating part is fixedly connected to the inner ring wall of the first bearing.

[0007] Preferably, the shaft is horizontally located directly above the screw.

[0008] Preferably, the center of the shaft body, the center of the rotating part and the center of the rod groove are all located on the same horizontal axis.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] By operating the first motor to drive the rotating part to rotate in the rotating groove on the side of the support plate, the shaft body clamped in the rod groove is driven to rotate, and then the second motor is operated to drive the screw rod and the screw hole on the moving block to rotate the thread, so that the moving block can move along the direction of the screw rod, and then drive the laser ranging sensor to move horizontally along the direction of the shaft body under the rotating shaft body, so that the shaft diameter of the shaft body can be detected in an all-round and accurate manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a structural schematic diagram of a partial section of the utility model;

[0014] Figure 3 It is a schematic diagram of the cross-sectional structure of the connection between the shaft body and the rotating part of the utility model;

[0015] Figure 4 It is a schematic diagram of the side structure of the connection between the shaft body and the rotating part of the utility model;

[0016] In the figure: 1, bottom plate; 2, support plate; 3, rotating part; 4, first motor; 5, annular groove; 6, first bearing; 7, rod groove; 8, shaft body; 9, hydraulic rod; 10, clamping block; 11, fixed plate; 12, moving block; 13, laser ranging sensor; 14, second motor; 15, screw; 16, positioning rod; 17, groove; 18, second bearing. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] Depend on Figure 1-4 The utility model comprises a bottom plate 1 and an axle body 8, a support plate 2 is fixedly installed on the left end of the top of the bottom plate 1, a rotation groove is provided on the top of the right side of the support plate 2, a rotatable rotating part 3 is inserted in the rotation groove, the right end of the rotating part 3 extends out of the rotation groove, and a rod groove 7 is provided at the right end of the rotating part 3, one end of the axle body 8 is inserted in the rod groove 7, a fixed plate 11 is fixedly installed on the right end of the top of the bottom plate 1, a movable moving block 12 is provided between the support plate 2 and the fixed plate 11, a screw hole is provided on the side of the moving block 12, a positioning hole is provided on the side of the moving block 12 and below the screw hole, a second motor 14 is fixedly installed on the bottom of the right side of the support plate 2, a screw rod 15 penetrating the support plate 2 is fixedly connected at the output end of the second motor 14, the screw rod 15 is threadedly inserted in the screw hole on the side of the moving block 12, and is fixedly installed between the support plate 2 and the fixed plate 11 A positioning rod 16 is provided, which passes through and is inserted into the positioning hole on the side of the moving block 12, and the positioning rod 16 is located directly below the screw 15. A laser ranging sensor 13 is fixedly installed on the top of the moving block 12. When the shaft diameter of the shaft body 8 is detected, one end of the shaft body 8 is first inserted into the rod groove 7 at one end of the rotating part 3 and fixedly clamped, and then the first motor 4 is operated to drive the rotating part 3 to rotate in the rotating groove on the side of the support plate 2, thereby driving the shaft body 8 clamped in the rod groove 7 to rotate, and then the second motor 14 is operated to drive the screw 15 and the screw hole on the moving block 12 to rotate, so that the moving block 12 can move along the direction of the screw 15, and then drive the laser ranging sensor 13 to move horizontally along the direction of the shaft body 8 under the rotating shaft body 8, so that the shaft diameter of the shaft body 8 can be detected in an all-round and accurate manner.

[0019] At the same time, a groove 17 is opened on the left side of the fixed plate 11, and a second bearing 18 is fixedly installed in the groove 17. One end of the screw 15 passes through the screw hole on the side of the moving block 12 and is fixedly connected to the inner ring wall of the second bearing 18. The second bearing 18 can fix the position of the end of the screw 15 away from the second motor 14, so that the screw 15 is more stable when rotating.

[0020] In addition, hydraulic rods 9 are fixedly installed on the top and bottom of the right end of the rotating part 3, and the telescopic ends of the two hydraulic rods 9 extend into the rod groove 7, and clamping blocks 10 are fixedly installed on the telescopic ends of the two hydraulic rods 9, and the two clamping blocks 10 are respectively against the top and bottom of one end of the shaft body 8, and the side walls of the two clamping blocks 10 that clamp the shaft body 8 are provided with arc-shaped clamping grooves. By controlling the two hydraulic rods 9 to simultaneously push the clamping blocks 10 to move, the clamping grooves on the two clamping blocks 10 can be respectively against the top and bottom of one end of the shaft body 8, so that one end of the shaft body 8 can be fixed in the rod groove 7 on one side of the rotating part 3.

[0021] In addition, a first motor 4 is fixedly installed on the left side of the support plate 2 and above the second motor 14. The output end of the first motor 4 extends into the rotating groove and is fixedly connected to the center of one end of the rotating part 3. An annular groove 5 is opened on the inner wall of the rotating groove. A first bearing 6 is fixedly installed in the annular groove 5. The outer wall of the rotating part 3 is fixedly connected to the inner ring wall of the first bearing 6. The first bearing 6 can fix the position of the rotating part 3 in the rotating part 3 on the side of the support plate 2, and the first motor 4 can provide power for the rotation of the rotating part 3.

[0022] In addition, the shaft body 8 is horizontally located directly above the screw rod 15. Under the action of the positioning rod 16, the moving block 12 will not tilt or rotate during the movement, so that the moving block 12 on the screw rod 15 can drive the laser ranging sensor 13 to move horizontally, so that the laser ranging sensor 13 can move along the direction of the shaft body 8, and then the axial diameter of the shaft body 8 can be accurately measured.

[0023] In addition, the center of the shaft body 8, the center of the rotating part 3 and the center of the rod groove 7 are all located on the same horizontal axis, so that the shaft body 8 can rotate around its own center.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor shaft diameter detection device, comprising a base plate (1) and a shaft body (8), characterized in that: A support plate (2) is fixedly installed at the left end of the top of the bottom plate (1), a rotation groove is provided at the top of the right side of the support plate (2), a rotatable rotating part (3) is inserted in the rotation groove, the right end of the rotating part (3) extends out of the rotation groove, and a rod groove (7) is provided at the right end of the rotating part (3), one end of the shaft (8) is inserted in the rod groove (7), a fixed plate (11) is fixedly installed at the right end of the top of the bottom plate (1), a movable moving block (12) is provided between the support plate (2) and the fixed plate (11), a screw hole is provided on the side of the moving block (12), and a screw hole is provided on the side of the moving block (12) and located at A positioning hole is provided below the screw hole. A second motor (14) is fixedly installed at the bottom of the right side of the support plate (2). A screw rod (15) penetrating the support plate (2) is fixedly connected to the output end of the second motor (14). The screw rod (15) is threadedly inserted into the screw hole on the side of the moving block (12). A positioning rod (16) is fixedly installed between the support plate (2) and the fixed plate (11). The positioning rod (16) is inserted into the positioning hole on the side of the moving block (12), and the positioning rod (16) is located directly below the screw rod (15). A laser distance measuring sensor (13) is fixedly installed on the top of the moving block (12).

2. A motor shaft diameter detection device according to claim 1, characterized in that: A groove (17) is provided on the left side of the fixed plate (11), and a second bearing (18) is fixedly installed in the groove (17); one end of the screw rod (15) passes through the screw hole on the side of the moving block (12) and is fixedly connected to the inner ring wall of the second bearing (18).

3. The motor shaft diameter detection device according to claim 1, characterized in that: A hydraulic rod (9) is fixedly mounted on the top and bottom of the right end of the rotating part (3), the telescopic ends of the two hydraulic rods (9) extend into the rod groove (7), and a clamping block (10) is fixedly mounted on the telescopic ends of the two hydraulic rods (9), the two clamping blocks (10) respectively abut against the top and bottom of one end of the shaft body (8), and the side walls of the two clamping blocks (10) that clamp the shaft body (8) are both provided with arc-shaped clamping grooves.

4. The motor shaft diameter detection device according to claim 1, characterized in that: A first motor (4) is fixedly mounted on the left side of the support plate (2) and above the second motor (14); an output end of the first motor (4) extends into the rotating groove and is fixedly connected to the center of one end of the rotating part (3); an annular groove (5) is provided on the inner wall of the rotating groove; a first bearing (6) is fixedly mounted in the annular groove (5); and an outer wall of the rotating part (3) is fixedly connected to an inner ring wall of the first bearing (6).

5. The motor shaft diameter detection device according to claim 1, characterized in that: The shaft (8) is horizontally located directly above the screw rod (15).

6. The motor shaft diameter detection device according to claim 1, characterized in that: The center of the shaft body (8), the center of the rotating part (3) and the center of the rod groove (7) are all located on the same horizontal axis.

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