Assembly rack suitable for electric drive prototype test

Abstract

The utility model discloses an assembly rack suitable for testing an electrically-driven prototype. The assembly rack comprises a rack box body, a dismounting mechanism and a connecting tool, the connecting tool is used for preassembling an electric-driven prototype to be tested, and the disassembling and assembling mechanism is arranged on the rack box body and used for fixing the connecting tool and the electric-driven prototype which are preassembled to the rack box body for testing. The pre-assembling device has the advantages of being compact in structure, convenient and fast to operate, high in adaptability and the like, pre-assembling the to-be-tested electric drive prototype and the connecting tool outside a laboratory room synchronously with an off-line experiment, disassembling the tested electric drive prototype and the connecting tool after the experiment is completed, and assembling the to-be-tested electric drive prototype and the connecting tool. And the pre-assembled electric drive prototype and the connecting tool are quickly assembled on the rack box body through the disassembling and assembling mechanism, so that the utilization rate of the assembly rack is improved, and meanwhile, the assembling and disassembling efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of electric drive assembly test bench technology, specifically to an assembly test bench suitable for testing electric drive prototypes. Background Technology

[0002] With the popularization of new energy vehicles, more and more cars are using electricity as their driving energy source. Electric drive mainly relies on electric drive assemblies, with the electric motor as the main component. The electric drive assembly is a three-in-one assembly consisting of the motor, controller, and reducer. During the research and development and production of electric drive assemblies, small-batch hand-made prototypes are often tested on a laboratory assembly platform. For example... Figure 1 As shown, when conducting bench testing of electric drive assemblies, the electric drive assemblies need to be suspended. However, in the laboratory, the traditional upper and lower bench structures of prototypes are quite complex. When different power assemblies need to be switched for testing, the requirements of power assemblies being mounted on benches cannot be quickly changed due to the influence of tooling design and manufacturing cycles and costs. The upper and lower benches of prototypes usually take about forty minutes each, which is not only inefficient and has low equipment utilization, but also makes it extremely easy for operators to become fatigued. Utility Model Content

[0003] The technical problem to be solved by this utility model is to address the drawbacks of long time consumption and high labor intensity in using existing upper and lower test benches for prototype testing, and to provide an assembly test bench that is compact, easy to operate and highly adaptable for testing electric drive prototypes.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] An assembly test bench suitable for testing electric drive prototypes includes: a test bench housing, a disassembly and assembly mechanism, and a connecting fixture; the connecting fixture is used to pre-assemble the electric drive prototype to be tested, and the disassembly and assembly mechanism is disposed on the test bench housing to fix the pre-assembled connecting fixture and the electric drive prototype to the test bench housing for testing.

[0006] As a further improvement of this utility model, the disassembly and assembly mechanism includes a lifting drive assembly, a mounting base plate, clamps, and a floating plate; the mounting base plate is fixed on the bench housing, and multiple clamps are provided around the mounting base plate, which are used to clamp the connecting tooling and the electric drive prototype; the lifting drive assembly is mounted on the bench housing, and the output end of the lifting drive assembly passes through the mounting base plate and is connected to the floating plate, which is used to drive the floating plate to reciprocate up and down above the mounting base plate to support the connecting tooling and the electric drive prototype.

[0007] As a further improvement of this utility model, multiple heavy-duty balls are evenly distributed on the floating plate, and the heavy-duty balls are used to support the connecting tooling and the electric drive prototype.

[0008] As a further improvement of the utility model, the connecting tool includes a connecting bottom plate, right suspension mounting blocks, left suspension mounting blocks and middle suspension mounting blocks are arranged on the connecting bottom plate, and the electric drive prototype is suspended on the connecting bottom plate through the right suspension mounting blocks, the left suspension mounting blocks and the middle suspension mounting blocks.

[0009] As a further improvement of the utility model, the heavy load ball is a universal heavy load steel ball.

[0010] As a further improvement of the utility model, positioning pins are arranged on the mounting bottom plate, and guide sleeves are arranged on the connecting bottom plate; after the connecting bottom plate is fixedly connected with the mounting bottom plate, the positioning pins are arranged in the guide sleeves.

[0011] As a further improvement of the utility model, side baffles are symmetrically arranged on both sides of the mounting bottom plate, a rear baffle is arranged between the two side baffles, and the rear baffle and the side baffles assist in positioning the connecting tool and the electric drive prototype on the mounting bottom plate.

[0012] As a further improvement of the utility model, the positioning pins are located between the end portions of the side baffles and the end portion of the rear baffle and are close to the rear baffle.

[0013] As a further improvement of the utility model, handles are symmetrically arranged on the connecting bottom plate.

[0014] As a further improvement of the utility model, the lifting driving assembly includes a driving mounting plate and a driving piece; the driving piece is fixed on the rack box through the driving mounting plate, and an output end of the driving piece is connected with the bottom of the floating plate; under the driving of the driving piece, the floating plate reciprocatingly lifts above the mounting bottom plate.

[0015] As a further improvement of the utility model, the lifting driving assembly further includes a linear bearing, a guide rod and a connecting block; one end of the guide rod is fixedly connected with the driving mounting plate, and the other end of the guide rod is fixedly connected with the floating plate; one end of the connecting block is fixedly connected with the floating plate, and the other end of the connecting block is slidably connected with the guide rod through the linear bearing.

[0016] As a further improvement of the utility model, the driving piece is a pneumatic cylinder, a hydraulic cylinder or an electric push rod.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The utility model discloses an assembly rack suitable for electric drive prototype test, sets up the dismounting mechanism on the rack box body, and sets up the connecting tool with electric drive prototype and carries out preinstallation, realizes that electric drive prototype and connecting tool start preinstallation between laboratory and offline experiment synchronously, then realizes that the connecting tool and electric drive prototype after preinstallation install or dismount on the rack box body through the dismounting mechanism, the time of electric drive prototype upper and lower assembly rack is shortened to about three minutes from conventional forty minutes, improves the assembly rack utilization ratio significantly, and also improves the efficiency of assembly, dismounting. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the flow chart that prototype carries out test on traditional upper and lower rack;

[0020] Figure 2 It is the structure principle schematic view of assembly rack suitable for electric drive prototype test in the utility model specific embodiment;

[0021] Figure 3 It is the structure principle schematic view of dismounting mechanism in the utility model specific embodiment;

[0022] Figure 4 It is the structure principle schematic view of dismounting mechanism in the utility model specific embodiment;

[0023] Figure 5 It is the structure principle schematic view of electric drive prototype and connecting tool preinstallation in the utility model specific embodiment;

[0024] Figure 6 It is the structure principle schematic view of electric drive prototype and connecting tool preinstallation in the utility model specific embodiment another view;

[0025] Legend: 100, rack box body;200, dismounting mechanism;300, connecting tool;301, guide sleeve;302, handle;303, connecting bottom plate;304, right suspension mounting block;305, left suspension mounting block;306, middle suspension mounting block;400, electric drive prototype;1, positioning pin;2, installation bottom plate;3, linear bearing;4, guide rod;5, drive mounting plate;6, driving part;7, connecting block;8, back baffle;9, side baffle;10, clamp;11, heavy load ball;12, floating plate. DETAILED DESCRIPTION

[0026] The utility model will be further described below in connection with the drawings and specific preferred embodiments, but it is not therefore to limit the protection scope of the utility model.

[0027] In the description of the utility model, need understanding is, the term "side", "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" "internal", "external", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and so on indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model.

[0028] In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, so that the features limited by "first", "second" can explicitly or implicitly include one or more features, and in the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.

[0029] Embodiment

[0030] As Figure 2 Indicated, the utility model discloses the assembly test of suitable for electric drive prototype's total assembly rack, include: rack box body 100, dismounting mechanism 200 and connecting tool 300.Connecting tool 300 is used to preinstall the electric drive prototype 400 to be tested, and dismounting mechanism 200 is arranged on rack box body 100, is used to realize the connecting tool 300 and electric drive prototype 400 fixed to rack box body 100 after preinstallation, to carry out testing.

[0031] In the embodiment, dismounting mechanism 200 is arranged on rack box body 100, and connecting tool 300 is preinstalled with electric drive prototype 400, realizes that electric drive prototype 400 and connecting tool 300 start preinstallation between laboratory and offline experiment synchronously, then realizes the quick installation or dismounting of connecting tool 300 and electric drive prototype 400 on rack box body 100 after preinstallation through dismounting mechanism 200, and the time of electric drive prototype 400, assembly rack is shortened to about three minutes from conventional forty minutes, significantly improves the utilization of assembly rack, and also improves the efficiency of assembly, dismounting.

[0032] As Figure 3 And Figure 4As shown, the dismounting mechanism 200 includes a lifting driving assembly, a mounting bottom plate 2, a clamp 10 and a floating plate 12. The mounting bottom plate 2 is fixed on the rack box body 100, and each of the four top points of the mounting bottom plate 2 is provided with the clamp 10, which is used to clamp the connecting tool 300 and the electric drive prototype 400, so as to realize the fixation of the connecting tool 300 and the electric drive prototype 400 on the rack box body 100, and facilitate the development of relevant test and test. It can be understood that the structure of the clamp 10 is provided in the art, and will not be described here. The lifting driving assembly is installed on the rack box body 100, and the output end of the lifting driving assembly penetrates through the mounting bottom plate 2 and is connected with the floating plate 12, which is used to drive the floating plate 12 to reciprocatingly lift above the mounting bottom plate 2, so as to bear the preassembled connecting tool 300 and the electric drive prototype 400.

[0033] Further, a plurality of heavy load balls 11 are uniformly distributed on the floating plate 12, and the heavy load balls 11 are used to bear the preassembled connecting tool 300 and the electric drive prototype 400. Further, the heavy load ball 11 is a universal heavy load steel ball, which has the characteristics of simple structure and strong bearing capacity, and the electric drive prototype 400 and the connecting tool 300 move on the steel ball with rolling friction, which has small friction force and is convenient to operate.

[0034] As shown in Figure 5 and Figure 6 , the connecting tool 300 includes a connecting bottom plate 303, the connecting bottom plate 303 is provided with a right suspension mounting block 304, a left suspension mounting block 305 and a middle suspension mounting block 306, and the electric drive prototype 400 is suspended on the connecting bottom plate 303 through the right suspension mounting block 304, the left suspension mounting block 305 and the middle suspension mounting block 306. When testing, the connecting bottom plate 303 is connected and fixed with the mounting bottom plate 2, so as to realize the fixation of the electric drive prototype 400 on the rack box body 100, and facilitate the development of corresponding test work. Further, the connecting bottom plate 303 is symmetrically provided with a handle 302, so as to facilitate the carrying of the preassembled connecting tool 300 and the electric drive prototype 400.

[0035] As shown in Figure 3 and Figure 5 , the mounting bottom plate 2 is provided with a positioning pin 1, and the connecting bottom plate 303 is provided with a guide sleeve 301, and when the connecting bottom plate 303 is connected and fixed with the mounting bottom plate 2, the positioning pin 1 is arranged in the guide sleeve 301. The connecting position of the connecting tool 300 and the electric drive prototype 400 on the mounting bottom plate 2 is positioned by the positioning pin 1 and the guide sleeve 301, so as to improve the connection accuracy of the connecting tool 300 and the electric drive prototype 400 on the assembly rack, and further ensure the precision and reliability of the test.

[0036] As shown in Figure 4As shown, the mounting base plate 2 is symmetrically provided with side baffles 9 on both sides, and a rear baffle 8 is arranged between the two side baffles 9. The rear baffle 8 and the two side baffles 9 are used to position the connecting tool 300 and the electric drive prototype on the three side edges of the mounting base plate 2, thereby improving the installation accuracy of the connecting tool 300 and the electric drive prototype.

[0037] Further, the positioning pin 1 is located between the end of the side baffle 9 and the end of the rear baffle 8, and is close to the rear baffle 8. The positioning pin 1, the side baffle 9 and the rear baffle 8 are used to double-position the connecting tool 300 and the electric drive prototype 400 on the mounting position of the mounting base plate 2.

[0038] As shown in the figure, Figure 3 The lifting driving assembly includes a driving mounting plate 5 and a driving member 6. The driving member 6 is fixed on the gantry box 100 through the driving mounting plate 5, and the output end of the driving member 6 is connected with the bottom of the floating plate 12. Under the driving of the driving member 6, the floating plate 12 reciprocatingly lifts up and down above the mounting base plate 2 to carry the pre-assembled connecting tool 300 and the electric drive prototype 400.

[0039] In this embodiment, the driving member 6 adopts a pneumatic cylinder, which has the characteristics of simple structure and smooth operation. In other embodiments, the driving member 6 can also adopt a hydraulic cylinder or an electric push rod, as long as it can drive the floating plate 12 to lift up and down smoothly.

[0040] As shown in the figure, Figure 3 The lifting driving assembly further includes a linear bearing 3, a guide rod 4 and a connecting block 7. One end of the guide rod 4 is connected and fixed with the driving mounting plate 5, and the other end of the guide rod 4 is connected and fixed with the floating plate 12. One end of the connecting block 7 is connected and fixed with the floating plate 12, and the other end of the connecting block 7 is slidingly connected with the guide rod 4 through the linear bearing 3. When the driving member 6 drives the floating plate 12 to reciprocatingly lift up and down, the connecting block 7 and the linear bearing 3 located at the four vertices of the floating plate 12 also reciprocatingly lift up and down along the guide rod 4, thereby improving the accuracy and reliability of the lifting displacement of the floating plate 12.

[0041] In this embodiment, the process of testing the electric drive prototype on the assembly rack is as follows:

[0042] (1) The connecting tool 300 and the electric drive prototype 400 are pre-assembled outside the test room: the electric drive prototype 400 is fixed to the connecting base plate 303 through the right suspension mounting block 304, the left suspension mounting block 305 and the middle suspension mounting block 306;

[0043] (2) The driving member 6 is driven forward to drive the floating plate 12 to rise, and the pre-assembled connecting tool 300 and the electric drive prototype 400 are placed on the heavy load ball 11 through the handle 302;

[0044] (3) The pre-assembled connecting tool 300 and the electric drive prototype 400 are pushed to the rear block 8 along the side block 9;

[0045] (4) The driving member 6 is reversely driven to drive the floating plate 12 to descend, and the connecting tool 300 and the electric drive prototype 400 fall along the positioning pin 1 to the mounting bottom plate 2, and the positioning pin 1 is arranged in the guide sleeve 301;

[0046] (5) The clamp 10 is pressed to the self-locking state, the connecting tool 300 and the electric drive prototype 400 are pressed on the mounting bottom plate 2, and corresponding tests are carried out.

[0047] In the embodiment, the dismounting mechanism 200 is integrated in the bench box 100, the pre-assembled electric drive prototype and the connecting tool 300 are pulled into the dismounting mechanism 200 through the side baffle 9 by extending and jacking up the floating plate 12 by the cylinder, after touching the back baffle 8, the cylinder is retracted, the pre-assembled electric drive prototype and the connecting tool 300 are fallen on the mounting bottom plate 2 through the positioning pin 1 by retracting the floating plate, and the clamp 10 is clamped, the assembly of the upper bench is completed, and the test efficiency of the electric drive prototype is significantly improved.

[0048] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not only limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the utility model belong to the protection scope of the utility model. It should be noted that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model are also regarded as the protection scope of the utility model.

Claims

1. An assembly rack suitable for electric drive prototype testing, characterized by, The utility model relates to a test device for electric drive prototype, which comprises a rack box (100), a dismounting mechanism (200) and a connecting tool (300), wherein the connecting tool (300) is used for preassembling an electric drive prototype (400) to be tested, the dismounting mechanism (200) is arranged on the rack box (100) and is used for fixing the connecting tool (300) and the electric drive prototype (400) to the rack box (100) after preassembly to perform testing. The dismounting mechanism (200) comprises a lifting driving assembly, a mounting bottom plate (2), clamps (10) and a floating plate (12), the mounting bottom plate (2) is fixed on the rack box (100), a plurality of clamps (10) are arranged around the mounting bottom plate (2), the clamps (10) are used for clamping the connecting tool (300) and the electric drive prototype (400), the lifting driving assembly is installed on the rack box (100), the output end of the lifting driving assembly penetrates through the mounting bottom plate (2) and is connected with the floating plate (12), and the lifting driving assembly is used for driving the floating plate (12) to reciprocatingly lift and descend above the mounting bottom plate (2) to bear the connecting tool (300) and the electric drive prototype (400). A plurality of heavy load balls (11) are uniformly arranged on the floating plate (12), and the heavy load balls (11) are used for bearing the connecting tool (300) and the electric drive prototype (400).

2. The assembly rack suitable for electric drive prototype testing of claim 1, wherein, The connecting tool (300) comprises a connecting bottom plate (303), right suspension mounting blocks (304), left suspension mounting blocks (305) and middle suspension mounting blocks (306) are arranged on the connecting bottom plate (303), the electric drive prototype (400) is suspended on the connecting bottom plate (303) through the right suspension mounting blocks (304), the left suspension mounting blocks (305) and the middle suspension mounting blocks (306), and the connecting bottom plate (303) is fixedly connected with the mounting bottom plate (2) when testing.

3. The assembly rack suitable for electric drive prototype testing of claim 2, wherein, A positioning pin (1) is arranged on the mounting bottom plate (2), a guide sleeve (301) is arranged on the connecting bottom plate (303), and the positioning pin (1) penetrates through the guide sleeve (301) after the connecting bottom plate (303) is fixedly connected with the mounting bottom plate (2).

4. The assembly rack suitable for electric drive prototype testing of claim 3, wherein, Side baffles (9) are symmetrically arranged on both sides of the mounting bottom plate (2), a rear baffle (8) is arranged between the two side baffles (9), and the rear baffle (8) and the side baffles (9) assist in positioning the connecting tool (300) and the electric drive prototype (400) on the mounting bottom plate (2).

5. The assembly rack suitable for electric drive prototype testing of claim 4, wherein, Pull handles (302) are symmetrically arranged on the connecting bottom plate (303).

6. The assembly rack suitable for electric drive prototype testing of claim 3, wherein, The lifting driving assembly comprises a driving mounting plate (5) and a driving piece (6), the driving piece (6) is fixed on the rack box (100) through the driving mounting plate (5), the output end of the driving piece (6) is connected with the bottom of the floating plate (12), and the floating plate (12) reciprocatingly lifts and descends above the mounting bottom plate (2) under the driving of the driving piece (6).

7. The assembly rack suitable for electric drive prototype testing according to any one of claims 1 to 6, characterized in that, ​ 8. The assembly rack suitable for electric drive prototype testing of claim 7, wherein, The lifting driving assembly further comprises a linear bearing (3), a guide rod (4) and a connecting block (7); one end of the guide rod (4) is connected and fixed with the driving mounting plate (5), and the other end of the guide rod (4) is connected and fixed with the floating plate (12); one end of the connecting block (7) is connected and fixed with the floating plate (12), and the other end of the connecting block (7) is slidably connected with the guide rod (4) through the linear bearing (3).

9. The assembly rack suitable for electric drive prototype testing of claim 7, wherein, The driving member (6) is a gas cylinder, a hydraulic cylinder or an electric push rod.

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