Double-dragging tool

Abstract

The utility model belongs to the technical field of motor detection tools, and particularly relates to a twin-dragging tool. Comprising a tool frame, a clamp base is arranged on the tool frame, a cavity used for installing a pneumatic clamp chuck is formed in the clamp base, openings communicated with the cavity are formed in the left end and the right end of the clamp base, a dragged motor base is arranged at the opening in one end of the clamp base, and a bearing installation base is arranged at the other end of the clamp base and internally provided with a bearing. A coupler is fixed in the bearing, a pneumatic clamp chuck is fixed at one end of the coupler, the other end of the coupler is connected with a twin-trawling motor, and a chuck of the pneumatic clamp chuck is arranged towards the trawled motor base. The central axis of the dragged motor base, the central axis of the pneumatic clamp chuck, the central axis of the coupler, the central axis of the bearing and the central axis of the twin-dragging motor coincide. The installation process is simple and rapid, the test efficiency is improved, and the production takt is accelerated.

Description

Technical Field

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

[0002] The motor drag test is a method of testing the load or characteristics of the motor. Its characteristics are to couple the two motors mechanically and electrically, and the two motors are loads on each other. The total loss of the two motors is calculated based on the difference between the electrical input of one motor and the electrical output of the other motor. The drag test device is to place the motor shafts of the two motors axially opposite to each other during the test, and connect them for operation through couplings and other methods to conduct motor testing;

[0003] However, when installing the test motor and the calibration motor, the existing motor towing test tooling needs to manually install multiple coupling screws to fix the towed motor and the coupling, which is time-consuming and labor-intensive, and reduces the efficiency of the test. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provide a towing tool with high efficiency and good stability in the test process.

[0005] The purpose of this utility model is solved by the following technical solutions:

[0006] A towing tool, characterized in that it includes a tool frame, a fixture base is provided on the tool frame, a cavity for installing a pneumatic fixture chuck is provided inside the fixture base, openings connected to the cavity are provided at the left and right ends of the fixture base, a towed motor seat is provided at the opening at one end of the fixture base, a bearing mounting seat is provided at the other end of the fixture base, a bearing is provided in the bearing mounting seat, a coupling is fixed in the bearing, a pneumatic fixture chuck is fixed at one end of the coupling, and a towing motor is connected to the other end of the coupling, the pneumatic fixture chuck chuck is arranged toward the towed motor seat, and the central axis of the towed motor seat, the central axis of the pneumatic fixture chuck, the central axis of the coupling, the central axis of the bearing, and the central axis of the towing motor all coincide.

[0007] Based on the above structure, the towed motor is placed on the towed motor seat. Starting the pneumatic clamp chuck will pull down the shaft and hold the towed motor shaft tightly. The towing motor is operated and driven by the coupling and the pneumatic clamp chuck. The installation process is simple and fast, which improves the test efficiency and speeds up the production rhythm.

[0008] Preferably, the tooling frame of the utility model is a rectangular frame, including a left side, a front side, a rear side and a bottom side, the left side is provided with a circular through hole for installing the fixture base, and a plurality of first screw holes are evenly arranged on the left side along the circumference of the circular through hole.

[0009] Preferably, the clamp base of the utility model is cylindrical, and a circular column is provided at the left end of the clamp base. The outer diameter of the circular column is equal to the diameter of the circular through hole and smaller than the outer diameter of the clamp base. The circular column is clamped in the circular through hole, and the clamp base is provided with a second screw hole matching the first screw hole in the direction of the circular through hole, and also includes a first bolt, which is screwed into the first screw hole and the second screw hole in sequence to fix the clamp base on the tooling frame.

[0010] Preferably, a third screw hole for installing the towed motor seat is axially opened on the left side of the clamp base of the utility model, a fourth screw hole is opened on the towed motor seat at a position corresponding to the third screw hole, and a second bolt is also included, and the towed motor seat is fixed to the left side of the clamp base by the second bolt.

[0011] Preferably, the towed motor seat of the utility model is provided with a fifth screw hole for installing the towed motor, and also includes a third bolt that cooperates with the fifth screw hole. The towed motor is fixed to the towed motor seat by the third bolt. A through hole is provided in the center of the towed motor seat, and the towed motor shaft passes through the through hole and penetrates into the chuck of the pneumatic clamp.

[0012] Preferably, the right side of the clamp base of the utility model is provided with a sixth screw hole for installing the towing motor, and also includes a fourth bolt. The towing motor is fixed to the right side of the clamp base by the fourth bolt, and the towing motor shaft is fixedly connected to the coupling.

[0013] Preferably, the side wall of the clamp base of the utility model is provided with a second through hole and a third through hole connected to the cavity, the second through hole is located outside the pneumatic clamp chuck, and the third through hole is located outside the connection between the coupling and the towing motor.

[0014] Preferably, the outer diameter of the pneumatic clamp chuck of the utility model is smaller than the inner diameter of the clamp base.

[0015] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0016] The towed motor is placed on the towed motor seat. Starting the pneumatic clamp chuck will pull the shaft down and hold the towed motor shaft tightly. The towing motor is running, and the towed motor is driven to run through the coupling and the pneumatic clamp chuck. The pneumatic clamp chuck can automatically center and clamp the motor shaft in an instant with just one press of a button, and the clamping force is stable and adjustable. In addition to improving work efficiency, it can also enable one person to operate multiple test equipment, greatly reducing human resource costs.

[0017] The rectangular tooling frame can be placed directly on the work surface for quick installation and use.

[0018] The second through hole and the third through hole are provided to operate the pneumatic clamp chuck, and the internal state of the clamp base can be observed at any time to ensure that the test is carried out normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0020] Figure 2 It is a left-side structural schematic diagram of the utility model.

[0021] Figure 3 for Figure 2 AA section view of the structure.

[0022] Figure 4 for Figure 2 BB section structure diagram.

[0023] In the figure: tooling frame 1, left side 2, front side 3, rear side 4, bottom 5, circular through hole 6, first screw hole 7, fixture base 8, cavity 9, towed motor seat 10, bearing mounting seat 11, bearing 12, coupling 13, pneumatic fixture chuck 14, towed motor 15, circular ring column 16, second screw hole 17, first bolt 18, third screw hole 19, fourth screw hole 20, second bolt 21, fifth screw hole 22, third bolt 23, towed motor 24, through hole 25, sixth screw hole 26, fourth bolt 27, second through hole 28, third through hole 29. DETAILED DESCRIPTION

[0024] The following will be combined with the attached Figure 1-4 The utility model is described in further detail.

[0025] A towing tool comprises a tool frame 1, which is a rectangular frame and comprises a left side 2, a front side 3, a rear side 4 and a bottom 5. A circular through hole 6 for installing a fixture base is provided on the left side 2, and a plurality of first screw holes 7 are evenly provided on the left side 2 along the circumference of the circular through hole 6. The rectangular tool frame 1 can be directly placed on a work surface, which is convenient for quick placement and use.

[0026] The tooling frame 1 is provided with a fixture base 8, and a cavity 9 for installing a pneumatic fixture chuck is provided inside the fixture base 8. The left and right ends of the fixture base 8 are provided with openings connected to the cavity 9. A motor seat 10 is provided at the opening of one end of the fixture base 8, and a bearing mounting seat 11 is provided at the other end of the fixture base 8. A bearing 12 is provided in the bearing mounting seat 11, and a coupling 13 is fixed in the bearing 12. A pneumatic fixture chuck 14 is fixed at one end of the coupling 13, and a counter-motor 15 is connected to the other end of the coupling 13. The chuck of the pneumatic fixture chuck 14 is arranged toward the motor seat 10 to be towed, and the outer diameter of the pneumatic fixture chuck 14 is smaller than the inner diameter of the fixture base 8. The central axis of the motor seat 10 to be towed, the central axis of the pneumatic fixture chuck 14, the central axis of the coupling 13, the central axis of the bearing 12, and the central axis of the counter-motor 15 all coincide.

[0027] The clamp base 8 is cylindrical, and a circular column 16 is provided at the left end of the clamp base 8. The outer diameter of the circular column 16 is equal to the diameter of the circular through hole 6 and is smaller than the outer diameter of the clamp base 8. The circular column 16 is clamped in the circular through hole 6. The clamp base 8 is provided with a second screw hole 17 that cooperates with the first screw hole 7 in the direction of the circular through hole 6, and also includes a first bolt 18. The first bolt 18 is screwed into the first screw hole 7 and the second screw hole 17 in sequence to fix the clamp base 8 on the tooling frame 1.

[0028] A third screw hole 19 for mounting the motor base 10 is axially provided on the left side of the clamp base 8, a fourth screw hole 20 is provided on the motor base 10 at a position corresponding to the third screw hole 19, and a second bolt 21 is also provided, and the motor base 10 is fixed to the left side of the clamp base 8 by the second bolt 21. A fifth screw hole 22 for mounting the motor is provided on the motor base 10, and a third bolt 23 matched with the fifth screw hole 22 is also provided, and a motor 24 is fixed to the motor base 10 by the third bolt 23, and a through hole 25 is provided at the center of the motor base 10, and the shaft of the motor 24 passes through the through hole 25 and penetrates into the pneumatic clamp chuck 14.

[0029] The right side of the clamp base 8 is provided with a sixth screw hole 26 for installing the towing motor 15 , and also includes a fourth bolt 27 . The towing motor 15 is fixed to the right side of the clamp base 8 by the fourth bolt 27 , and the shaft of the towing motor 15 is fixedly connected to the coupling 13 .

[0030] The side wall of the clamp base 8 is provided with a second through hole 28 and a third through hole 29 which are in communication with the cavity 9. The second through hole 28 is located outside the pneumatic clamp chuck 14, and the third through hole 29 is located outside the connection between the coupling 13 and the towing motor 15. The second through hole 28 and the third through hole 29 are provided so that the pneumatic clamp chuck 14 can be operated, and the internal state of the clamp base 8 can be observed at any time to ensure that the test is carried out normally.

[0031] During the test, a 200W towed motor 24 is placed on the towed motor seat 10, and the shaft of the towed motor 24 extends into the pneumatic clamp chuck 14. Starting the pneumatic clamp chuck 14 will pull the shaft down and hold the shaft of the towed motor 24 tightly, and the 750W tow motor 15 will run, driving the towed motor 24 to run through the coupling 13 and the pneumatic clamp chuck 14. The original technology is to fix the towed motor and the coupling by hand-tightening the coupling screws, which is inefficient. The pneumatic clamp chuck 14 only needs to press a button to automatically center and clamp the motor shaft in an instant, and the clamping force is stable and adjustable. In addition to improving work efficiency, it can also enable one person to operate multiple test equipment, greatly reducing human resource costs.

[0032] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A towing tool, characterized in that: It comprises a tooling frame, on which a fixture base is provided, a cavity for installing a pneumatic fixture chuck is provided inside the fixture base, openings communicating with the cavity are provided at the left and right ends of the fixture base, a towed motor seat is provided at the opening at one end of the fixture base, a bearing mounting seat is provided at the other end of the fixture base, a bearing is provided in the bearing mounting seat, a coupling is fixed in the bearing, a pneumatic fixture chuck is fixed at one end of the coupling, a towed motor is connected to the other end of the coupling, a chuck of the pneumatic fixture chuck is arranged toward the towed motor seat, and a central axis of the towed motor seat, a central axis of the pneumatic fixture chuck, a central axis of the coupling, a central axis of the bearing, and a central axis of the towed motor all coincide.

2. The towing tool according to claim 1, characterized in that: The tooling frame is a rectangular frame, including a left side, a front side, a rear side and a bottom surface. A circular through hole for installing the fixture base is opened on the left side surface, and a plurality of first screw holes are evenly opened on the left side surface along the circumference of the circular through hole.

3. The towing tool according to claim 2 is characterized in that: The clamp base is cylindrical, and a circular column is provided at the left end of the clamp base. The outer diameter of the circular column is equal to the diameter of the circular through hole and smaller than the outer diameter of the clamp base. The circular column is clamped in the circular through hole. The clamp base is provided with a second screw hole matching the first screw hole in the direction of the circular through hole, and also includes a first bolt. The first bolt is screwed into the first screw hole and the second screw hole in sequence to fix the clamp base on the tooling frame.

4. The towing tool according to claim 1 is characterized in that: A third screw hole for installing the towed motor seat is axially opened on the left side of the clamp base, a fourth screw hole is opened on the towed motor seat at a position corresponding to the third screw hole, and a second bolt is also included. The towed motor seat is fixed to the left side of the clamp base by the second bolt.

5. The towing tool according to claim 1, characterized in that: The towed motor seat is provided with a fifth screw hole for installing the towed motor, and also includes a third bolt that cooperates with the fifth screw hole. The towed motor is fixed to the towed motor seat by the third bolt. A through hole is provided at the center of the towed motor seat, and the towed motor shaft passes through the through hole and penetrates into the pneumatic clamp chuck.

6. The towing tool according to claim 1, characterized in that: The right side of the clamp base is provided with a sixth screw hole for installing the towing motor, and also includes a fourth bolt. The towing motor is fixed to the right side of the clamp base by the fourth bolt, and the towing motor shaft is fixedly connected to the coupling.

7. The towing tool according to claim 3 is characterized in that: The side wall of the clamp base is provided with a second through hole and a third through hole communicating with the cavity, the second through hole is located outside the pneumatic clamp chuck, and the third through hole is located outside the connection between the coupling and the towing motor.

8. The towing tool according to claim 3 is characterized in that: The outer diameter of the pneumatic clamp chuck is smaller than the inner diameter of the clamp base.

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