CN212568859U

CN212568859U - Motor test rack

Info

Publication number: CN212568859U
Application number: CN202020679615.2U
Authority: CN
Inventors: 李上炉
Original assignee: Hanteng Automobile Co Ltd
Current assignee: Hanteng Automobile Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-19
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a motor test rack, including bottom plate and riser, riser fixed mounting is on the bottom plate, the fixed orifices has been seted up to the lateral part of riser, the constant head tank has been seted up to the lateral part of riser, the lateral part of bottom plate is provided with the curb plate, the guide way has been seted up to the lateral part of curb plate, slidable mounting has the guide post in the guide way, welded fastening has the head rod on the lateral wall of guide post, install pin joint mechanism on the bottom plate, pin joint mechanism articulates through the second connecting rod has the backup pad, install electronic hydraulic stem through electronic hydraulic stem seat on the bottom plate, electronic hydraulic stem passes through the horizontal pole and articulates with the head rod. The utility model discloses accurate centering is installed to test motor that can be quick, has shortened the time of test motor installation centering, improves experimental progress. The accuracy of the value collected by the rotating speed and torque sensor cannot be influenced due to the deviation of the output shaft of the motor.

Description

Motor test rack

Technical Field

The utility model belongs to the technical field of the motor test, concretely relates to motor test rack.

Background

New energy automobiles are vigorously developed in recent years, and the market of new energy automobiles is continuously expanded. In the whole component parts of the electric automobile, the requirements on various parameter indexes of the motor are very strict. Therefore, the performance of the motor needs to be detected through the motor test bench before loading. In the installation process before the motor test, the requirement on the coaxiality between the output shaft of the motor and the input shaft of the load dynamometer is high, if the output shaft of the motor and the input shaft of the load dynamometer are centered, the output shaft of the motor deviates, so that the output shaft of the motor vibrates violently in a high-speed mode, and a rotating speed and torque sensor connected with the output shaft of the motor and the input shaft of the load dynamometer is easily abraded, thereby influencing the accuracy of the value acquired by the rotating speed and torque sensor and causing the damage of the rotating speed and torque sensor in serious cases.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor test rack, accurate centering is installed to test motor that can be quick, has shortened the time of test motor installation centering, improves experimental progress. The accuracy of the value collected by the rotating speed and torque sensor cannot be influenced due to the deviation of the output shaft of the motor, so that the problems in the background art are solved.

In order to achieve the above object, the utility model provides a following technical scheme:

a motor test bench comprises a bottom plate and a vertical plate, wherein the vertical plate is fixedly arranged on the bottom plate, a fixing hole is formed in the side part of the vertical plate, the side part of the vertical plate is provided with a positioning groove, the side part of the bottom plate is provided with a side plate, the side part of the side plate is provided with a guide groove, a guide post is arranged in the guide groove in a sliding manner, a first connecting rod is fixedly welded on the side wall of the guide post, the bottom plate is provided with a pin joint mechanism which is hinged with a support plate through a second connecting rod, one end of the first connecting rod and one end of the second connecting rod are both hinged with the bottom of the supporting plate, the bottom plate is provided with an electric hydraulic rod through an electric hydraulic rod seat, the electric hydraulic rod is hinged with the first connecting rod through a cross rod, the center of the side part of the first connecting rod is hinged with the center of the side part of the second connecting rod.

Preferably, the pin joint mechanism comprises a pin seat and a pin shaft, pin holes are formed in two sides of the pin seat, the pin shaft is rotatably inserted into the pin holes, one end, far away from the support plate, of the second connecting rod is fixedly connected with the pin shaft, and the pin seat is installed on the bottom plate through a bolt.

Preferably, the bottom plate is provided with a countersunk hole, and an inner hexagon bolt is installed in the countersunk hole.

Preferably, the fixed orifices are provided with at least six groups, the fixed orifices are arranged in an annular array relative to the center of the positioning groove, and the fixed orifices are arc-shaped long waist holes.

Preferably, the first connecting rods and the second connecting rods are respectively provided with two groups, and two ends of the cross rod are respectively welded and fixed with the opposite sides of the two groups of second connecting rods.

Preferably, an included angle between one side of the vertical plate adjacent to the bottom plate and one side of the bottom plate adjacent to the vertical plate is set to be 90 °.

Compared with the prior art, the beneficial effects of the utility model are that:

the pin shaft can rotate in the pin hole, so that the second connecting rod can rotate through the rotation of the pin shaft, when the electric hydraulic rod works, the lower end of the first connecting rod moves towards the electric hydraulic rod, the second connecting rod can be driven to move, the supporting plate is lifted, and therefore the motor placed on the supporting plate is lifted, the physical expenditure of workers is reduced, and the working efficiency is improved; the height of a positioning groove of a motor test bench is set by measuring the height of the output shaft of the dynamometer, and the fixed test motor is consistent with the height of the axis of the output shaft of the dynamometer through the use of the positioning groove, so that the centering linkage is greatly facilitated; through the use of fixed orifices, be convenient for fix the motor of awaiting measuring, can improve the fixed efficiency of the motor that awaits measuring.

Drawings

Fig. 1 is a schematic cross-sectional view of a bottom plate of the present invention;

fig. 2 is a schematic side view of the vertical plate of the present invention;

fig. 3 is a schematic top view of the bottom plate of the present invention;

fig. 4 is a schematic sectional view of the pin boss of the present invention.

In the figure: 1. a base plate; 2. a vertical plate; 3. a fixing hole; 4. positioning a groove; 5. a side plate; 6. a guide groove; 7. a guide post; 8. a first connecting rod; 9. a pin joint mechanism; 10. a second connecting rod; 11. a support plate; 12. an electro-hydraulic lever; 13. a cross bar; 14. a pin boss; 15. a pin shaft; 16. a pin hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a motor test bench comprises a bottom plate 1 and a vertical plate 2, wherein a countersunk hole is formed in the bottom plate 1, a hexagon socket head cap screw is installed in the countersunk hole, the bottom plate 1 is convenient to fix, the surface of the bottom plate 1 can be kept smooth, the vertical plate 2 is fixedly installed on the bottom plate 1, an included angle between one side, close to the bottom plate 1, of the vertical plate 2 and one side, close to the vertical plate 2, of the bottom plate 1 is set to be 90 degrees, fixing holes 3 are formed in the side portion of the vertical plate 2, at least six groups of fixing holes 3 are formed in the fixing holes 3, the fixing holes 3 are arranged in an annular array relative to the center of a positioning groove 4, the fixing holes 3 are arc-shaped long waist holes, a motor to be tested is convenient to fix, the positioning groove 4 is formed in the side portion of the vertical plate 2, the height of the positioning groove 4 of the motor test bench is set through measuring, the centering linkage is greatly facilitated, the side part of the bottom plate 1 is provided with the side plate 5, the side part of the side plate 5 is provided with the guide groove 6, the guide post 7 is arranged in the guide groove 6 in a sliding manner, the side wall of the guide post 7 is fixedly welded with the first connecting rod 8, the bottom plate 1 is provided with the pin joint mechanism 9, the pin joint mechanism 9 is hinged with the support plate 11 through the second connecting rod 10, one end of the first connecting rod 8 and one end of the second connecting rod 10 are both hinged with the bottom of the support plate 11, the first connecting rod 8 and the second connecting rod 10 are both provided with two groups, the two ends of the cross rod 13 are respectively welded and fixed with the opposite sides of the two, the balance of the supporting plate 11 can be kept, the bottom plate 1 is provided with the electro-hydraulic rod 12 through the electro-hydraulic rod seat, the electro-hydraulic rod 12 is hinged with the first connecting rod 8 through the cross rod 13, and the center of the side of the first connecting rod 8 is hinged with the center of the side of the second connecting rod 10.

Pin joint mechanism 9 includes key seat 14 and round pin axle 15, pinhole 16 has all been seted up to the both sides of key seat 14, round pin axle 15 rotates to peg graft in pinhole 16, the one end and round pin axle 15 fixed connection of backup pad 11 are kept away from to second connecting rod 10, key seat 14 passes through the bolt and installs on bottom plate 1, can rotate at pinhole 16 through round pin axle 15, make second connecting rod 10 can rotate through the rotation of round pin axle 15, at the during operation of electronic hydraulic stem 12, when the lower extreme of head rod 8 removed towards electronic hydraulic stem 12, can drive second connecting rod 10 activity, make backup pad 11 rise, thereby the motor that will place in backup pad 11 risees, reduce workman's physical expenditure, and the work efficiency is improved.

The structure principle is as follows: when the electric hydraulic rod 12 works, when the lower end of the first connecting rod 8 moves towards the electric hydraulic rod 12, the second connecting rod 10 can be driven to move, so that the supporting plate 11 rises, a motor placed on the supporting plate 11 rises, the physical expenditure of workers is reduced, and the working efficiency is improved; the height of a positioning groove 4 of a motor test bench is set by measuring the height of the output shaft of the dynamometer, and the fixed test motor is consistent with the height of the axis of the output shaft of the dynamometer through the use of the positioning groove 4, so that the centering linkage is greatly facilitated; through the use of fixed orifices 3, be convenient for fix the motor of awaiting measuring, can improve the fixed efficiency of the motor that awaits measuring.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a motor test bench, includes bottom plate (1) and riser (2), its characterized in that: the vertical plate (2) is fixedly arranged on a bottom plate (1), a fixing hole (3) is formed in the side portion of the vertical plate (2), a positioning groove (4) is formed in the side portion of the vertical plate (2), a side plate (5) is arranged on the side portion of the bottom plate (1), a guide groove (6) is formed in the side portion of the side plate (5), a guide post (7) is arranged in the guide groove (6) in a sliding mode, a first connecting rod (8) is fixedly welded on the side wall of the guide post (7), a pin joint mechanism (9) is arranged on the bottom plate (1), the pin joint mechanism (9) is hinged to a support plate (11) through a second connecting rod (10), one end of the first connecting rod (8) and one end of the second connecting rod (10) are hinged to the bottom of the support plate (11), and an electric hydraulic rod (12) is arranged on the bottom plate (1) through an electric, the electric hydraulic rod (12) is hinged with the first connecting rod (8) through a cross rod (13), and the center of the side of the first connecting rod (8) is hinged with the center of the side of the second connecting rod (10).

2. A motor test rig according to claim 1, wherein: the pin joint mechanism (9) comprises a pin seat (14) and a pin shaft (15), pin holes (16) are formed in two sides of the pin seat (14), the pin shaft (15) is rotatably inserted into the pin holes (16), one end, far away from the supporting plate (11), of the second connecting rod (10) is fixedly connected with the pin shaft (15), and the pin seat (14) is installed on the bottom plate (1) through a bolt.

3. A motor test rig according to claim 1, wherein: the bottom plate (1) is provided with a countersunk hole, and an inner hexagon bolt is arranged in the countersunk hole.

4. A motor test rig according to claim 1, wherein: six groups are no less than offered in fixed orifices (3), the center of the relative constant head tank (4) of fixed orifices (3) is the annular array setting, fixed orifices (3) set up to the long waist of arc hole.

5. A motor test rig according to claim 1, wherein: the first connecting rods (8) and the second connecting rods (10) are both provided with two groups, and two ends of the cross rod (13) are respectively welded and fixed with the opposite sides of the two groups of second connecting rods (10).

6. A motor test rig according to claim 1, wherein: an included angle between one side of the vertical plate (2) adjacent to the bottom plate (1) and one side of the bottom plate (1) adjacent to the vertical plate (2) is set to be 90 degrees.