Power performance testing device for electric vehicle

Abstract

The utility model belongs to the technical field of electric vehicle testing, and particularly relates to a power performance testing device for an electric vehicle, which comprises a bottom table, a power speed measuring mechanism is arranged above the bottom table, and a load power side testing mechanism is arranged above the power speed measuring mechanism. Through the arrangement of the power speed measurement mechanism and the load power side test mechanism, the load power performance test of the electric vehicle is effectively carried out, through the arrangement of the moving assembly, the bearing table and the load test assembly are driven to carry out the power load test of the electric vehicle, and when the electric vehicle moves above the moving detection table and the fixed detection table, the load test is carried out. Meanwhile, an arranged load lifting power rod drives a load base plate and a load balance weight plate to move to an electric vehicle testing part, auxiliary clamping is carried out on the electric vehicle through a side face auxiliary clamping assembly, a certain load is applied to the electric vehicle, different load states of the power performance test of the electric vehicle on the power speed measuring mechanism can be met, and the test efficiency is improved. The comprehensiveness of load power performance testing is achieved, and the testing efficiency and accuracy are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric vehicle testing, and in particular relates to a power performance testing device for an electric vehicle. Background Art

[0002] Electric vehicles, that is, electric-driven vehicles, also known as electric-drive vehicles, are divided into AC electric vehicles and DC electric vehicles. Electric vehicles usually refer to vehicles that use batteries as energy sources and convert electrical energy into mechanical energy through controllers, motors and other components to control the current size to change the speed of the vehicle.

[0003] After searching, the Chinese utility model patent application document with Chinese patent authorization announcement number CN215640161U discloses a power performance test device for electric vehicles, including a fixing plate. When a load power test is required, the device can be placed on the outside of the electric vehicle, then the locking ring can be loosened and the position of the connecting rod can be adjusted. Then the device can be fixed to the outer vehicle of the electric vehicle through the suction cup locking ring, and then the locking plate is pulled forward so that it is no longer stuck, so that the locking plate extends from the left side to block the counterweight, and then the load detection can be started; when the load needs to be adjusted, the locking plate can be pushed to the right to enter the limiting groove, and then the locking rod is inserted to restrict the locking plate. At this time, the counterweight can be removed or added, so as to achieve the purpose of adjusting the load. After the adjustment is completed, the locking rod can be removed again.

[0004] With respect to the above-mentioned related technologies, the suction cup, locking plate, locking rod, pad, and counterweight block provided in the test device cannot effectively perform load power testing on electric vehicles, so it is urgent to design a power performance test device for electric vehicles to deal with these problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model discloses a power performance testing device for an electric vehicle.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0007] A power performance test device for an electric vehicle comprises a base, a power speed measuring mechanism is arranged above the base, and a load power side test mechanism is arranged above the power speed measuring mechanism.

[0008] The load power side test mechanism includes a gantry frame arranged on both sides of the power speed measuring mechanism, a moving component is arranged above the gantry frame, a bearing platform is arranged on one side of the moving component, a load lifting power rod is arranged on one side of the bearing platform, a load testing component is arranged at the power telescopic end of the load lifting power rod, an L-shaped frame is arranged below the moving component, and a side auxiliary clamping component is arranged on the opposite side of the L-shaped frame.

[0009] Preferably, the power speed measuring mechanism includes a mobile detection platform arranged on one side above the base platform, a fixed detection platform is arranged on one side of the mobile detection platform, a first hydraulic rod is arranged on one side of the mobile detection platform, inner grooves are arranged above the mobile detection platform and the fixed detection platform, a speed measuring component is arranged inside the inner groove, a test positioning component is arranged on one side of the speed measuring component, and vehicle movement guide components are arranged on both sides of the mobile detection platform and the fixed detection platform.

[0010] Preferably, the load testing assembly comprises a load pad arranged at the power end of the load lifting power rod, a load counterweight plate is arranged below the load pad, and a second damping buffer spring is arranged between the load counterweight plate and the load pad.

[0011] Preferably, the side auxiliary clamping assembly includes a T-shaped telescopic plate arranged on the opposite side of the L-shaped frame, a telescopic hydraulic cylinder is arranged on one side of the T-shaped telescopic plate, and an auxiliary suction cup is arranged on the other side of the T-shaped telescopic plate.

[0012] Preferably, the speed measuring assembly comprises a support shaft arranged inside the inner groove, a speed measuring roller is arranged on the outer surface of the support shaft, and a speed meter is arranged at one end of the support shaft.

[0013] Preferably, the test positioning assembly includes a positioning base plate arranged on one side of the speed measuring assembly, a test positioning bearing plate is arranged above the positioning base plate, a second hydraulic rod is arranged below the positioning base plate, and a first damping buffer spring is arranged between the positioning base plate and the test positioning bearing plate.

[0014] The beneficial effects are:

[0015] The utility model discloses a power performance test device for an electric vehicle. By means of a power speed measuring mechanism and a load power side test mechanism, a load power performance test is effectively performed on the electric vehicle. By means of a mobile component that is provided, a load platform and a load test component are driven to perform a power load test on the electric vehicle. When the electric vehicle is moved to above the mobile test platform and the fixed test platform, a load pad and a load counterweight plate are driven to move to a test position of the electric vehicle by a load lifting power rod that is provided at the same time, and the electric vehicle is auxiliary clamped by a side auxiliary clamping component, and a certain load is applied to the electric vehicle, which can meet different load states of the power performance test of the electric vehicle on the power speed measuring mechanism, thereby achieving the comprehensiveness of the load power performance test, improving the test efficiency and accuracy, and being simple to operate and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the shaft side structure of the utility model;

[0017] Figure 2 It is a front view structural schematic diagram of the utility model;

[0018] Figure 3 It is a first structural schematic diagram of the utility model;

[0019] Figure 4 It is a second structural schematic diagram of the utility model;

[0020] Figure 5 It is a third structural schematic diagram of the utility model;

[0021] Figure 6 yes Figure 5 The structural diagram at A in the middle;

[0022] Figure 7 It is a schematic diagram of the structure of the speed measuring component of the utility model.

[0023] In the figure: 1. base;

[0024] 2. Power speed measuring mechanism; 201. Mobile testing platform; 202. Fixed testing platform; 203. Lifting guide platform; 204. Electric hydraulic cylinder; 205. First hydraulic rod; 206. Speed ​​measuring assembly; 2061. Speed ​​measuring roller; 2062. Support shaft; 2063. Speed ​​measuring device; 207. Inner groove; 208. Second hydraulic rod; 209. Positioning bottom plate; 2091. Test positioning bearing plate; 2092. First damping buffer spring device;

[0025] 3. Load power side test mechanism; 301. Door frame; 302. Moving assembly; 303. L-shaped frame; 304. Load-bearing platform; 305. Load lifting power rod; 306. Load pad; 3061. Load counterweight plate; 3062. Second damping buffer spring; 307. Side auxiliary clamping assembly; 3071. Telescopic hydraulic cylinder; 3072. T-shaped telescopic plate; 3073. Auxiliary suction cup. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention; the terms "first", "second" and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Reference Figure 1-7 The utility model provides an embodiment: a power performance test device for an electric vehicle, comprising a base 1, a power speed measuring mechanism 2 is arranged above the base 1, and a load power side test mechanism 3 is arranged above the power speed measuring mechanism 2.

[0030] In this embodiment: the power speed measuring mechanism 2 includes a mobile detection platform 201 arranged on one side above the base 1, a fixed detection platform 202 is arranged on one side of the mobile detection platform 201, a first hydraulic rod 205 is arranged on one side of the mobile detection platform 201, an inner groove 207 is arranged above the mobile detection platform 201 and the fixed detection platform 202, a speed measuring component 206 is arranged inside the inner groove 207, a test positioning component is arranged on one side of the speed measuring component 206, and a vehicle movement guide component is arranged on both sides of the mobile detection platform 201 and the fixed detection platform 202. The speed measuring component 206 includes a support shaft 2062 arranged inside the inner groove 207, a speed measuring roller 2061 is arranged on the outer surface of the support shaft 2062, and a speed measuring device 2063 is arranged at one end of the support shaft 2062. The test positioning assembly includes a positioning base plate 209 arranged on one side of the speed measuring assembly 206, a test positioning bearing plate 2091 is arranged above the positioning base plate 209, a second hydraulic rod 208 is arranged below the positioning base plate 209, and a first damping buffer spring device 2092 is arranged between the positioning base plate 209 and the test positioning bearing plate 2091. The vehicle movement guide assembly includes a lifting guide platform 203 arranged on both sides of the mobile detection platform 201 and the fixed detection platform 202, and an electric hydraulic cylinder 204 is arranged on one side below the lifting guide platform 203. The speed measuring assembly 206 is used to test the speed power performance of the electric vehicle, and the test positioning assembly is used to assist the bottom of the electric vehicle in supporting and positioning when the electric vehicle stops above the mobile detection platform 201 and the fixed detection platform 202. The mobile detection platform 201 can be moved by the first hydraulic rod 205, which is used to cooperate with the testing of electric vehicles of different widths within a certain range. An eddy current dynamometer is arranged on one side of the speed measuring assembly 206, and the eddy current dynamometer is used to measure the output torque and speed of the tested machine, which is a prior art. The speed meter 2063 is used to detect the rotation speed of the speed measuring roller 2061. A rubber anti-skid pad is arranged above the test positioning bearing plate 2091. An anti-skid material is arranged above the lifting guide platform 203. A power source for power testing is arranged at one end of the support shaft 2062.

[0031] In this embodiment: the load power side test mechanism 3 includes a gantry 301 arranged on both sides of the power speed measuring mechanism 2, a moving assembly 302 is arranged above the gantry 301, a bearing platform 304 is arranged on one side of the moving assembly 302, a load lifting power rod 305 is arranged on one side of the bearing platform 304, a load test assembly is arranged at the power telescopic end of the load lifting power rod 305, an L-shaped frame 303 is arranged below the moving assembly 302, and a side auxiliary clamping assembly 307 is arranged on the opposite side of the L-shaped frame 303. The load test assembly includes a load pad 306 arranged at the power end of the load lifting power rod 305, a load counterweight plate 3061 is arranged below the load pad 306, and a second damping buffer spring 3062 is arranged between the load counterweight plate 3061 and the load pad 306. The side auxiliary clamping assembly 307 includes a T-shaped telescopic plate 3072 arranged on the opposite side of the L-shaped frame 303, a telescopic hydraulic cylinder 3071 is arranged on one side of the T-shaped telescopic plate 3072, and an auxiliary suction cup 3073 is arranged on the other side of the T-shaped telescopic plate 3072. The moving assembly 302 includes a ball screw arranged above the portal frame 301, a driving motor is arranged at one end of the ball screw, and a moving platform is arranged on the outer surface of the ball screw. The load counterweight plate 3061 is used to perform different load loading during the power test of the electric vehicle, and the T-shaped telescopic plate 3072 cooperates with the auxiliary suction cup 3073 to assist in positioning and clamping during the test of the electric vehicle. The load lifting power rod 305 is used to drive the load counterweight plate 3061 to output power for different load loading of the electric vehicle. A rubber anti-slip pad is arranged on the execution surface below the load counterweight plate 3061.

[0032] Working principle: When in use, firstly, according to the body width of the electric vehicle to be tested, the first hydraulic rod 205 is started to drive the mobile test platform 201 to move, and the distance is adjusted to be equal to the body width of the electric vehicle to be tested, and then the electric hydraulic cylinder 204 is started to drive the lifting guide platform 203 to descend and contact the bottom platform 1. The operator drives the electric vehicle to be tested above the mobile test platform 201 and the fixed test platform 202, and the power wheel of the electric vehicle is driven to the speed measuring roller 2061 set inside the inner groove 207, and the second hydraulic rod 208 is started to drive the test positioning bearing plate 2091 to rise to the top Hold the chassis of the electric vehicle for auxiliary bearing, start the moving component 302, drive the L-frame 303, the side auxiliary clamping component 307, and the load test component to move and test the two sides, top and two sides of the electric vehicle, stop, start the power test power source, and the eddy current dynamometer to drive the speed measurement component 206 to perform power testing and feedback on the electric vehicle, and at the same time start the load lifting power rod 305 to drive the load pad 306 and the load counterweight plate 3061 to move downward to load the electric vehicle. Different load power tests can be performed on the electric vehicle according to requirements to meet the different load states of the electric vehicle in the power performance test.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A power performance test device for electric vehicles, characterized in that: It comprises a base (1), a power speed measuring mechanism (2) is arranged above the base (1), and a load power side test mechanism (3) is arranged above the power speed measuring mechanism (2); The load power side test mechanism (3) comprises a portal frame (301) arranged on both sides of the power speed measuring mechanism (2); a moving assembly (302) is arranged above the portal frame (301); a bearing platform (304) is arranged on one side of the moving assembly (302); a load lifting power rod (305) is arranged on one side of the bearing platform (304); a load testing assembly is arranged at the power telescopic end of the load lifting power rod (305); an L-shaped frame (303) is arranged below the moving assembly (302); and a side auxiliary clamping assembly (307) is arranged on the opposite side of the L-shaped frame (303).

2. The electric vehicle power performance test device according to claim 1, characterized in that: The power speed measuring mechanism (2) comprises a mobile detection platform (201) arranged on one side above the base platform (1); a fixed detection platform (202) is arranged on one side of the mobile detection platform (201); a first hydraulic rod (205) is arranged on one side of the mobile detection platform (201); inner grooves (207) are arranged above the mobile detection platform (201) and the fixed detection platform (202); a speed measuring component (206) is arranged inside the inner groove (207); a test positioning component is arranged on one side of the speed measuring component (206); and vehicle movement guide components are arranged on both sides of the mobile detection platform (201) and the fixed detection platform (202).

3. The electric vehicle power performance test device according to claim 1, characterized in that: The load testing assembly comprises a load pad (306) arranged at the power end of the load lifting power rod (305), a load counterweight plate (3061) is arranged below the load pad (306), and a second damping buffer spring device (3062) is arranged between the load counterweight plate (3061) and the load pad (306).

4. The electric vehicle power performance test device according to claim 1, characterized in that: The side auxiliary clamping assembly (307) comprises a T-shaped telescopic plate (3072) arranged on the opposite side of the L-shaped frame (303), a telescopic hydraulic cylinder (3071) is arranged on one side of the T-shaped telescopic plate (3072), and an auxiliary suction cup (3073) is arranged on the other side of the T-shaped telescopic plate (3072).

5. The electric vehicle power performance test device according to claim 2, characterized in that: The speed measuring assembly (206) comprises a support shaft (2062) arranged inside the inner groove (207), a speed measuring roller (2061) is arranged on the outer surface of the support shaft (2062), and a speed measuring device (2063) is arranged at one end of the support shaft (2062).

6. The electric vehicle power performance test device according to claim 2, characterized in that: The test positioning assembly comprises a positioning base plate (209) arranged on one side of the speed measuring assembly (206); a test positioning bearing plate (2091) is arranged above the positioning base plate (209); a second hydraulic rod (208) is arranged below the positioning base plate (209); and a first damping buffer spring device (2092) is arranged between the positioning base plate (209) and the test positioning bearing plate (2091).

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