New energy automobile power assembly test bench

Abstract

The utility model discloses a new energy automobile power assembly testboard comprising a fixed plate, a groove is arranged on the fixed plate, a bidirectional screw is rotatably connected in the groove, two sides of the bidirectional screw, which are far away from each other, are in threaded connection with accompanying power assemblies, a first push rod is fixedly connected between the two accompanying power assemblies on the fixed plate, and a second push rod is fixedly connected between the two accompanying power assemblies on the fixed plate. The output end of the first push rod is fixedly connected with a clamping frame, the two sides, away from each other, in the clamping frame are fixedly connected with second push rods, the output ends of the second push rods are fixedly connected with a cross-shaped clamping rod, the cross-shaped clamping rod is sleeved with a clamping plate, and a positioning groove is formed in the clamping plate; according to the utility model, the two accompanying test power assemblies which can move relatively are installed on the fixing plate to cooperate with the clamping frame and the clamping plate, and the main body of the new energy automobile power assembly is clamped under the action of the first push rod, so that the clamping efficiency can be improved, the time for fixing the new energy automobile power assembly required by the modular design is reduced, and the detection is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle powertrain testing, in particular to a new energy vehicle powertrain testing platform. Background Art

[0002] New energy vehicle powertrain testing is a special equipment used to evaluate and optimize the performance of new energy vehicle power systems. It can usually achieve battery performance testing, electric drive system simulation testing, charging system testing, power system comprehensive performance evaluation, environmental adaptability testing and safety evaluation. New energy vehicle power testing usually adopts a modular design to match vehicle powertrains of different sizes, but this process needs to be installed according to different vehicle assemblies, which is more troublesome.

[0003] According to the "A New Energy Vehicle Powertrain Test Bench" with Chinese Patent Publication No. CN219551871U, it mainly describes that through the provision of a movable plate, a slider, a slide groove, a threaded hole, a screw and a special-shaped block, the operator holds the movable plate and places the slider opposite to the slide groove until the slider slides into the slide groove. The movable plate can be fixed on the special-shaped block through the cooperation of the threaded hole and the screw, and vice versa, the movable plate can be removed and replaced. After fixation, the operator places the assembly structure on the clamping ring, and uses the provided electric push rod to push the clamping ring to move, so that one end of the assembly structure can be clamped, and at the same time, the connecting rod and the movable clamping structure are pushed to move by the provided cylinder part, so that the movable clamping structure is close to the limiting structure, so that the assembly structure can be relatively fixed between the limiting structure and the movable clamping structure, and no manual operation and fixation are required for subsequent testing. In this process, the support of the new energy vehicle powertrain needs to be connected with bolts and fixing equipment, which is troublesome during connection.

[0004] Therefore, a new energy vehicle powertrain test bench is proposed to solve the problem that in the process, the powertrain of the new energy vehicle needs to be connected with bolts and fixing equipment, which is troublesome during the connection. Utility Model Content

[0005] The technical problem to be solved by the utility model is as follows: In this process, the support of the powertrain of the new energy vehicle needs to be connected with bolts and fixing equipment, which is a relatively troublesome problem during the connection. Therefore, a new energy vehicle powertrain test bench is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a new energy vehicle powertrain test bench, comprising a fixing plate, a groove is provided on the fixing plate and a bidirectional screw is rotatably connected in the groove, two sides of the bidirectional screw that are far away from each other are threadedly connected with a test powertrain, the fixing plate is located between two test powertrains and is fixedly connected with a first push rod, an output end of the first push rod is fixedly connected with a card frame, two sides of the card frame that are far away from each other are fixedly connected with a second push rod, an output end of the second push rod is fixedly connected with a cross clamping rod, a clamping plate is sleeved on the cross clamping rod, a positioning groove is provided in the clamping plate, four sides of the cross clamping rod that are far away from each other are provided with through holes and spring ejectors are inserted in the through holes, a protrusion is sleeved on the spring ejector and the protrusion is fixedly connected to the card plate.

[0007] As a preferred technical solution of the utility model, an auxiliary groove is opened on the card frame, a convex strip is contacted in the auxiliary groove and a pad is fixedly connected to the upper end of the convex strip. By setting the auxiliary groove, convex strip and pad, the effect of easy replacement and support can be achieved.

[0008] As a preferred technical solution of the utility model, a card strip is fixedly connected to the bottom end of the card board, and a card slot is contacted on the bottom side of the card strip. The card slot is located on both sides of the card frame. By arranging the card strip and the card slot, the stability of the card board can be improved.

[0009] As a preferred technical solution of the utility model, the bottom end of the card strip is fixedly connected to a limiting block, and the upper end of the limiting block is rotatably embedded with a ball and the ball contacts the card frame. By providing the limiting block and the ball, the stability of the card strip can be increased and the friction can be reduced.

[0010] As an optimal technical solution of the utility model, connecting rods are fixedly connected to the four sides of the upper end of the fixed plate, a connecting plate is fixedly connected between two adjacent connecting rods, a first screw is rotatably connected to the connecting plate, a movable plate is threadedly connected to the first screw, a winding roller is fixedly connected to one side of the movable plate, a connecting rope is sleeved on the winding roller, a support plate is fixedly connected to the bottom side of the connecting rope, and a fixed rope is fixedly connected to the bottom end of the support plate. By setting the connecting rope, the power assembly of the new energy vehicle can be conveniently connected and the detection is convenient.

[0011] The utility model has the following advantages: by installing two relatively movable test power assembly matching clamping frames and clamping plates on a fixed plate, the main body of the new energy vehicle power assembly is clamped under the action of a first push rod, which can improve the clamping efficiency, reduce the time required for fixing the new energy vehicle power assembly in a modular design, and make detection more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1It is a three-dimensional structural schematic diagram of a new energy vehicle powertrain test bench according to a preferred embodiment of the utility model;

[0013] Figure 2 It is a schematic diagram of the side view of the structure of a card frame of a new energy vehicle powertrain test bench according to a preferred embodiment of the utility model;

[0014] Figure 3 The utility model is a schematic diagram of the side view of the winding roller of a new energy vehicle powertrain test bench according to a preferred embodiment of the utility model.

[0015] Explanation of the reference numerals in the accompanying drawings: 1. fixed plate; 2. bidirectional screw; 3. test power assembly; 4. first push rod; 5. clamping frame; 6. second push rod; 7. cross clamping rod; 8. clamping plate; 9. protrusion; 10. spring ejector pin; 11. auxiliary groove; 12. cushion block; 13. clamping groove; 14. clamping strip; 15. limit block; 16. ball; 17. positioning groove; 18. connecting rod; 19. connecting plate; 20. first screw; 21. movable plate; 22. winding roller; 23. connecting rope; 24. support plate; 25. fixing rope. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3 A new energy vehicle powertrain test bench shown in the figure comprises a fixing plate 1, a groove is provided on the fixing plate 1 and a bidirectional screw 2 is rotatably connected in the groove, both sides of the bidirectional screw 2 that are far away from each other are threadedly connected with a test powertrain 3, the test powertrain 3 is used to connect the two side extension ends of the new energy vehicle powertrain, the fixing plate 1 is located between the two test powertrains 3 and is fixedly connected with a first push rod 4, the first push rod 4 and the second push rod 6 are both electric push rods, the output end of the first push rod 4 is fixedly connected with a card frame 5, and both sides of the card frame 5 that are far away from each other are fixedly connected There is a second push rod 6, the output end of the second push rod 6 is fixedly connected to a cross clamping rod 7, and a clamping plate 8 is sleeved on the cross clamping rod 7. The second push rod 6 pushes the cross clamping rod 7 and the clamping plate 8 to move, so that the positioning groove 17 on the clamping plate 8 is connected to the power assembly of the new energy vehicle, and then the connection is achieved by plugging the spring ejector 10 into the through hole on the cross clamping rod 7. A positioning groove 17 is opened in the clamping plate 8, and through holes are opened on four sides of the cross clamping rod 7 that are far away from each other, and spring ejector 10 is inserted in the through hole. A protrusion 9 is sleeved on the spring ejector 10 and the protrusion 9 is fixedly connected to the clamping plate 8.

[0018] Among them, the pad 12 is fixedly connected to the upper end of the convex strip, the convex strip is in contact with the auxiliary groove 11, and the auxiliary groove 11 is located on the card frame 5. By setting the auxiliary groove 11, support can be provided on the bottom side of the new energy vehicle power, thereby improving the stability of the connection with the new energy powertrain.

[0019] Among them, card slots 13 are set on both sides of the card frame 5, and the card slots 13 are in contact with the bottom side of the card strip 14. The card strip 14 is fixedly connected to the bottom end of the card board 8. The card strip 14 can provide a limit for the card board 8.

[0020] The card frame 5 contacts the ball 16, and the ball 16 is rotatably embedded in the upper end of the limit block 15. The limit block 15 is fixedly connected to the bottom end of the card strip 14. By setting the limit block 15 and the ball 16, the friction force is reduced while providing support.

[0021] Among them, a buckle is set on one side of the fixing rope 25, and the buckle is connected to the fixing ring. The fixing ring is located on one side of the bottom end of the support plate 24, and the fixing rope 25 is fixedly connected to the bottom end of the support plate 24, and the support plate 24 is fixedly connected to the bottom side of the connecting rope 23. The connecting rope 23 is sleeved with a receiving roller 22, and the winding roller 22 is fixedly connected to one side of the movable plate 21. The movable plate 21 is threadedly connected to the first screw 20, and the first screw 20 is rotatably connected to the connecting plate 19. The connecting plate 19 is fixedly connected between two adjacent connecting rods 18, and the connecting rod 18 is fixedly connected to the four sides of the upper end of the fixing plate 1. The two sides of the new energy vehicle powertrain are limited by setting the fixing rope 25, and it is moved by the action of the first screw 20 and the movable plate 21, and then the connecting rope 23 is unwound by the winding roller 22, and the height can be adjusted, thereby facilitating the installation of the new energy vehicle powertrain.

[0022] Working principle: the new energy vehicle powertrain is connected through the fixing rope 25 in conjunction with the buckle and the fixing ring, and then the winding roller 22 winds up the connecting rope 23. At this time, the powertrain moves up, and the first screw 20 rotates to move the movable plate 21 to the clamping frame 5. Then, according to the size of the powertrain, the appropriate clamping plate 8 and the cushion block 12 are adjusted, and then the lower limit is respectively achieved through the action of the cross clamping rod 7 and the auxiliary groove 11, and then clamped under the action of the second push rod 6. At this time, the powertrain is limited, and the driving motor on the fixed plate 1 is started to drive the bidirectional screw 2 to rotate, and the two accompanying test powertrains 3 are moved relative to each other, and the two side extension ends of the new energy vehicle powertrain are fixed, thereby achieving the effect of convenient detection.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A new energy vehicle powertrain test bench, comprising a fixing plate (1), wherein a groove is formed on the fixing plate (1) and a bidirectional screw (2) is rotatably connected in the groove, and a test powertrain (3) is threadedly connected on both sides of the bidirectional screw (2) away from each other, wherein: The fixing plate (1) is located between two accompanying test power assemblies (3) and is fixedly connected to a first push rod (4); the output end of the first push rod (4) is fixedly connected to a card frame (5); two sides of the card frame (5) that are away from each other are fixedly connected to second push rods (6); the output end of the second push rod (6) is fixedly connected to a cross clamping rod (7); a clamping plate (8) is sleeved on the cross clamping rod (7); a positioning groove (17) is provided in the clamping plate (8); four sides of the cross clamping rod (7) that are away from each other are provided with through holes, and spring ejector pins (10) are inserted into the through holes; a protrusion (9) is sleeved on the spring ejector pin (10), and the protrusion (9) is fixedly connected to the card plate (8).

2. A new energy vehicle powertrain test bench as claimed in claim 1, characterized in that: The card frame (5) is provided with an auxiliary groove (11), a convex strip is in contact with the auxiliary groove (11), and a cushion block (12) is fixedly connected to the upper end of the convex strip.

3. A new energy vehicle powertrain test bench as claimed in claim 2, characterized in that: The bottom end of the card plate (8) is fixedly connected to a card strip (14), the bottom side of the card strip (14) is in contact with a card slot (13), and the card slot (13) is located on both sides of the card frame (5).

4. A new energy vehicle powertrain test bench as claimed in claim 3, characterized in that: The bottom end of the clamping strip (14) is fixedly connected to a limiting block (15), and the upper end of the limiting block (15) is rotatably embedded with a ball (16), and the ball (16) is in contact with the clamping frame (5).

5. A new energy vehicle powertrain test bench as claimed in claim 1, characterized in that: The four sides of the upper end of the fixed plate (1) are fixedly connected with connecting rods (18), a connecting plate (19) is fixedly connected between two adjacent connecting rods (18), a first screw rod (20) is rotatably connected to the connecting plate (19), a movable plate (21) is threadedly connected to the first screw rod (20), a winding roller (22) is fixedly connected to one side of the movable plate (21), a connecting rope (23) is sleeved on the winding roller (22), a supporting plate (24) is fixedly connected to the bottom side of the connecting rope (23), and a fixing rope (25) is fixedly connected to the bottom end of the supporting plate (24).

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