CN102384989A - Combined-type motor rack test and installation tool - Google Patents

Abstract

The invention discloses a combined motor bench test and installation tool. A first support plate is fixed at one end of the first bottom plate, and a second bottom plate is installed at the other end. A first accommodating hole is opened on the first support plate. A first mounting plate is installed in a receiving hole, and a first via hole and a first assembly hole are opened on the first mounting plate; the second bottom plate is connected with the first bottom plate through T-shaped bolts, and a A second support plate, a second accommodating hole is opened on the second support plate, a second mounting plate is installed in the second accommodating hole, and a second via hole and a second assembly hole are opened on the second mounting plate. The invention can fix the two ends of the motor, reduce the moment of inertia of the motor and the vibration of the tooling, and can effectively prevent the connecting bolts and the end face of the motor from loosening or falling off during the test. On the one hand, it avoids damage to the motor and ensures the safety of the motor On the other hand, it can avoid personal injury caused by parts falling off and flying out, and has good safety and reliability.

Description

Combined motor bench test installation tooling

technical field

The invention relates to a tool fixture, in particular to a tool for installing a combined motor bench test.

Background technique

The motor bench test for electric vehicles is a key point in the research and development of electric vehicles, and the motor test tooling has become an indispensable part of the test process. At present, there are many manufacturers of motors for electric vehicles, and the appearance size of the motor, especially the end face connection The dimensions are different, even for the same manufacturer, the installation dimensions of motors of different models or different powers are also very different, so that different styles of test tooling need to be designed and processed for different motors. Chinese patent 201020657782.3 announced a combined motor installation tool on June 15, 2010. The tool is composed of a base plate, a support plate and a mounting plate, wherein the support plate is vertically installed on the base plate, and the support plate is provided with accommodating holes. A mounting plate is fixed in the accommodating hole, and a through hole is arranged in the middle of the mounting plate, and a plurality of assembly holes are evenly distributed on the periphery of the through hole. During the detection test, the output shaft on the motor passes through the through hole of the mounting plate, the end face of the motor is attached to the mounting plate, and the bolts pass through the mounting plate and the corresponding assembly holes on the motor to fix the motor on the mounting plate. The above tooling is only suitable for bench testing of motors with power below 30kw. For high-power motors of 30-100kw, due to the heavy weight of high-power motors, the above-mentioned tooling adopts the method of fixing one end of the motor and the other end is suspended. During the process, the moment of inertia of the motor is large when running at high speed, so the vibration of the tooling is relatively large, and the connecting bolts and the end face of the motor are prone to loosening or falling off during the test. On the one hand, it will cause damage to the motor; If it goes out, it will cause personal injury to the operator.

Contents of the invention

The technical problem to be solved by the present invention is to provide a safe and reliable combined bench test installation tool suitable for high-power motors.

The technical solution of the present invention is as follows: a combined motor bench test installation tool, including a first base plate (1), a first support plate (2), a second base plate (8), a second support plate (9) and a T bolt (15), fix the first support plate (2) at one end of the first base plate (1), and install the second base plate (8) at the other end, the first support plate (2) and the first base plate (1) perpendicular to each other, a first accommodating hole is opened on the first support plate (2), and a first mounting plate (5) is fixed in the first accommodating hole by bolts, and on the first mounting plate (5) A first via hole (6) and a first assembly hole are opened, the first via hole (6) is located in the middle of the first mounting plate (5), and the first assembly hole is on the periphery of the first via hole (6) And distributed evenly according to the circumference; the second bottom plate (8) is connected with the first bottom plate (1) through T-shaped bolts (15), and the T-shaped bolts (15) are located in the T-shaped slots ( 7), the length direction of the T-shaped slot (7) is perpendicular to the surface of the first support plate (2); a second support plate (9) is vertically fixed on the second bottom plate (8), and the second The supporting plate (9) is provided with a second accommodating hole, and a second mounting plate (13) is fixed in the second accommodating hole by bolts, and a second via hole (14) is provided on the second mounting plate (13). ) and the second assembly hole, the second via hole (14) is located in the middle of the second mounting plate (13), the center line of the second via hole (14) is at the same center line as the first via hole (6) On a straight line, the second assembly holes are distributed evenly around the periphery of the second via hole (14).

With the above technical solution, the first base plate and the first support plate form the first shared body, the second base plate and the second support plate form the second shared body, and the two shared bodies are designed according to the maximum size allowed by the electric vehicle motor. On the one hand, they can It is backward compatible with small-sized motors, and on the other hand, it can ensure sufficient strength and processing accuracy. The first mounting plate and the second mounting plate are used as optional parts and are used in pairs. A pair of mounting plates corresponds to a motor. Save test cost. At the same time, the storage in the warehouse only needs to save the installation board, which greatly saves the storage area and storage costs.

When carrying out the detection test, the second common body is removed first, and then the output shaft of the motor passes through the first through hole on the first mounting plate. Through the first assembly hole on the first mounting plate and the corresponding mounting hole on the motor, fix the front end of the motor on the first mounting plate, then reinstall the second common body, and control the second common body to move toward the first Slide in the direction of the support plate until the second mounting plate fits the rear end surface of the motor and then lock the T-shaped bolts. The second through hole is used to avoid interference with the motor. At this time, the bolts pass through the holes on the second mounting plate. The second assembly hole and the corresponding mounting hole on the motor fix the rear end of the motor on the second mounting plate. It can be seen that when the motor is performing a performance testing test, its front end and rear end are fixed. During the test, the moment of inertia of the motor is very small when running at high speed, and the vibration of the entire tooling is also small, which can effectively prevent the bolt from being connected during the test. , the end face of the motor, etc. are loose or fall off, thereby avoiding motor damage and personal injury caused by parts falling off and flying out, which is safe and reliable. When it is necessary to test other types of motors, it is only necessary to remove the first and second mounting plates from the first and second support plates respectively, and replace the mounting plates corresponding to the type of motor to be tested.

The first accommodating hole on the first support plate (2) is a stepped hole, the first mounting plate (5) is a flange plate structure compatible with the first accommodating hole, the first mounting plate (5) and The first support plates (2) are bonded by step surfaces and fixed by bolts evenly distributed on the circumference, and the two plate surfaces of the first mounting plate (5) are respectively connected to the corresponding plate surfaces of the first support plate (2). flush. The above structure is not only firm and reliable in connection, but also convenient and fast in disassembly and assembly, which is conducive to quick replacement of the first mounting plate.

Similarly, in order to improve the convenience of assembly and replacement and ensure the reliability of the connection, the second accommodating hole on the second supporting plate (9) is a stepped hole, and the second mounting plate (13) is connected with the second The flange plate structure compatible with the accommodation hole, the second mounting plate (13) and the second support plate (9) are bonded by the stepped surface, fixed by bolts evenly distributed on the circumference, and the second mounting plate (13) ) are respectively flush with the corresponding board surfaces of the second support plate (9).

In order to increase the connection strength between the first support plate and the first bottom plate and ensure the verticality of the first support plate, two reinforcement plates ( 4), the reinforcing plate (4) is a right-angled trapezoid, and is fixed to the first supporting plate (2) and the bottom plate (1) by welding.

Two T-shaped slots (7) parallel to each other are opened on the first bottom plate (1), and two T-shaped bolts (15) are installed in each T-shaped slot (7). The T-shaped bolts (15) Go up through the second bottom plate (8) and lock it with nuts. The above structure can ensure the smooth movement of the second common body, prevent the second common body from being skewed during the movement, and facilitate quick disassembly and assembly between the second mounting plate and the motor to be tested.

The beneficial effects of the present invention are:

1. The two ends of the motor can be fixed during the test, which reduces the moment of inertia of the motor and the vibration of the tooling, and can effectively prevent the connecting bolts and the end face of the motor from loosening or falling off during the test. On the one hand, it avoids damage to the motor and ensures The service life of the motor; on the other hand, it can avoid personal injury caused by parts falling off and flying out, and the safety and reliability are good.

2. The base plate and support plate are mainly composed of all tooling, so only the installation plate needs to be kept, which not only saves production costs, but also greatly saves warehouse area and storage costs.

3. The structural strength and matching precision are reliable, which can ensure that the test data is more accurate and objective.

4. The main body of the tooling has high utilization rate, strong versatility, and safety guarantee, and can be used for various types of motors, especially for high-power motors of 30-100kw.

5. It is easy to process and manufacture, convenient and quick to disassemble and assemble, and can save test costs. the

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

FIG. 2 is a top view of FIG. 1 .

FIG. 3 is a schematic diagram of the structure of the second common body removed in FIG. 1 .

Fig. 4 is a right side view of Fig. 3 .

Detailed ways

The present invention will be further described below in conjunction with drawings and embodiments.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, the present invention is made of parts such as the first base plate 1, the first support plate 2, the second base plate 8, the second support plate 9 and T-bolt 15. Wherein, the first base plate 1 and the first support plate 2 are both rectangular plate structures, and the first support plate 2 is vertically welded on the left end of the upper surface of the first base plate 1, before the first support plate 2 and the first base plate 1 Two reinforcement boards 4 are arranged side by side. The reinforcement board 4 is a right-angled trapezoid. 1, the upper plate surface fits together and is also fixed by welding.

As can be seen from Fig. 1, Fig. 2 and Fig. 3, there is a first accommodating hole in the center of the upper part of the first support plate 2, the first accommodating hole is a circular step hole, and the first accommodating hole is equipped with a The first mounting plate 5 whose shape and size are suitable. The first mounting plate 5 is a flange structure, the first mounting plate 5 and the first support plate 2 are bonded by a stepped surface, and are fixed together by bolts evenly distributed on the circumference, the first mounting plate 5 The two board surfaces are flush with the corresponding board surfaces of the first supporting board 2 . The first mounting plate 5 is provided with a first via hole 6 and a plurality of first mounting holes, the first via hole 6 is located in the middle of the first mounting plate 5, and the first mounting hole is located in the first mounting plate 5. Periphery of the hole 6, and evenly distributed by the circumference.

As shown in Fig. 1, Fig. 2 and Fig. 4, two T-shaped slots 7 parallel to each other are opened on the right end of the upper surface of the first base plate 1, and the T-shaped slots 7 penetrate the right end surface of the first base plate 1, and The length direction of the T-shaped slots 7 is perpendicular to the plate surface of the first support plate 2, and two T-shaped bolts 15 are housed in each T-shaped slot 7 . A second bottom plate 8 is arranged above the right end of the first bottom plate 1 , and each T-shaped bolt 15 passes through the second bottom plate 8 upwards and is locked by nuts. A second support plate 9 is vertically welded on the second bottom plate 8, and the second support plate 9 is also rectangular, and a second accommodation hole is opened in the center of the second support plate 9 top, and the second accommodation hole It is a circular stepped hole, and a second mounting plate 13 matching its shape and size is installed in the second accommodating hole. The second mounting plate 13 is a flange structure, the second mounting plate 13 and the second supporting plate 9 are bonded by a stepped surface, and are fixed together by bolts evenly distributed on the circumference, the second mounting plate 13 The two board surfaces are flush with the corresponding board surfaces of the second supporting board 9 . A second via hole 14 and a plurality of second assembly holes are provided on the second mounting plate 13, the second via hole 14 is located in the middle of the second mounting plate 13, and the center line of the second via hole 14 is in line with the first mounting plate. The centerlines of a via hole 6 are on the same straight line. The second assembly holes are located on the periphery of the second via holes 14 and are evenly distributed along the circumference.

The working principle of the present invention is as follows:

When carrying out the detection test, first loosen the lock nut of the T-shaped bolt 15, slide the second bottom plate 8 to the right, and take off the second bottom plate 8, the second supporting plate 9 and the second mounting plate 13 as a whole, and then use the The output shaft of the motor 3 passes through the first through hole 6 on the first mounting plate 5 , the front end of the motor 3 is attached to the first mounting plate 5 , and the bolt 11 passes through the first assembly hole on the first mounting plate 5 And the corresponding mounting holes on the motor 3, fix the front end of the motor 3 on the first mounting plate 5, then reinstall the second base plate 8, the second support plate 9 and the second mounting plate 13, and control the second base plate 8 Slide toward the direction of the first support plate 2 until the second mounting plate 8 is attached to the rear end surface of the motor 3 and then lock the T-shaped bolt 15. At this time, the bolt 12 passes through the second assembly on the second mounting plate 13. hole and the corresponding mounting hole on the motor 3, the rear end of the motor 3 is fixed on the second mounting plate 13. When it is necessary to detect other types of motors, it is only necessary to remove the first and second mounting plates 5 and 13 from the first and second support plates 2 and 9 respectively, and replace the mounting plates corresponding to the motors to be tested. Can.

Claims (5)

1. frock is installed in a combined electrical machine frame test; It is characterized in that: in fixing first back up pad (2) of an end of first base plate (1); The other end is installed second base plate (8), and said first back up pad (2) is perpendicular with first base plate (1), on first back up pad (2), has first containing hole; Through bolt first installing plate (5) is arranged in this first containing hole; On said first installing plate (5), offer first via hole (6) and first pilot hole, said first via hole (6) is positioned at the middle part of first installing plate (5), and first pilot hole evenly distributes at the peripheral of first via hole (6) and by circumference; Said second base plate (8) is connected with first base plate (1) through tommyhead bolt (15), and this tommyhead bolt (15) is arranged in the T-slot (7) on first base plate (1), and the plate face of the length direction of T-slot (7) and first back up pad (2) is perpendicular; Go up vertical fixing at said second base plate (8) second back up pad (9) is arranged; Have second containing hole on this second back up pad (9); In second containing hole, second installing plate (13) is arranged through bolt; Offer second via hole (14) and second pilot hole on this second installing plate (13); Said second via hole (14) is positioned at the middle part of second installing plate (13), and the center line of the center line of second via hole (14) and first via hole (6) is on same straight line, and said second pilot hole evenly distributes at the peripheral of second via hole (14) and by circumference.

2. frock is installed in the described combined electrical machine frame test of claim 1; It is characterized in that: first containing hole on said first back up pad (2) is a shoulder hole; First installing plate (5) is the flange plate structure that adapts with first containing hole; Fit through step surface between first installing plate (5) and first back up pad (2), by equally distributed bolt on the circumference, and two plate faces of first installing plate (5) are concordant with the respective panels face of first back up pad (2) respectively.

3. frock is installed in claim 1 or 2 described combined electrical machine frame tests; It is characterized in that: second containing hole on said second back up pad (9) is a shoulder hole; Second installing plate (13) is the flange plate structure that adapts with second containing hole; Fit through step surface between second installing plate (13) and second back up pad (9), by equally distributed bolt on the circumference, and two plate faces of second installing plate (13) are concordant with the respective panels face of second back up pad (9) respectively.

4. frock is installed in combined electrical machine frame test according to claim 3; It is characterized in that: between said first back up pad (2) and base plate (1), be arranged side by side two stiffening plates (4); This stiffening plate (4) is a right-angled trapezium, and fixes through welding and first back up pad (2) and first base plate (1).

5. according to claim 1 or 2 or 4 described combined electrical machine frame tests frock is installed; It is characterized in that: on said first base plate (1), have two T-slots that are parallel to each other (7); Two tommyhead bolts (15) are housed in each T-slot (7); This tommyhead bolt (15) is upward through second base plate (8), by nut lock.

Images