Mechanical quick change mechanism for new energy power off-line test bench

Abstract

The utility model discloses a mechanical quick change mechanism of a new energy power off-line test bench, and belongs to the technical field of automobile off-line tests. Comprising a base which is provided with a guide rail. A sliding table is fixed on the guide rail through a guide rail sliding block; a motor tool is arranged on the sliding table; the base is further provided with a driving assembly used for driving the sliding block to drive the sliding table and the motor tool to slide on the guide rail. The gearbox tool is mounted on the base and used for fixing a gearbox structure of the new energy power product to be tested; the motor tool is located on one side of the gearbox tool, and the motor tool comprises a plurality of sets of dovetail groove guide rails; and motor mounting assemblies are oppositely arranged on each group of dovetail groove guide rails. Compared with the prior art, the utility model has higher compatibility and applicability to different products, is convenient to mount and dismount, saves time and cost, and ensures the quick change of the products.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile off-line testing, and relates to a mechanical quick-change mechanism of a new energy power off-line testing platform. Background Art

[0002] The rapid development of new energy products has a profound impact on the research direction of the automotive industry. In order to ensure product performance, product quality requirements are particularly important, and the product end-of-line test is the last step to ensure product quality before the product leaves the factory. Therefore, before the product leaves the factory, it is necessary to conduct an end-of-line test on the product. At present, a special end-of-line test bench has been independently designed and built for the characteristics of this product.

[0003] Due to the wide variety of new energy powertrain products, large differences in appearance, and a large number of orders for each variety, the current offline test bench is difficult to meet the offline needs of multiple product varieties, and the compatibility and offline efficiency are low, making it difficult to ensure the rapid offline of products. Therefore, in order to solve this problem and save costs at the same time, it is urgent to design a mechanical quick-change mechanism for the new energy powertrain offline test bench to ensure the rapid offline of products. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems of compatibility and low efficiency of new energy powertrain offline test benches in the prior art, and to provide a mechanical quick-change mechanism for a new energy power offline test bench.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a mechanical quick-change mechanism for a new energy power offline test bench, comprising:

[0007] A base, wherein a guide rail is arranged on the base; a slide is fixed on the guide rail via a guide rail slider; a motor tooling is arranged on the slide; and a driving assembly is also arranged on the base for driving the slider to drive the slide and the motor tooling to slide on the guide rail;

[0008] A gearbox tooling, which is installed on a base and is used to fix the gearbox structure of the new energy power product to be tested;

[0009] The motor tooling is located on one side of the gearbox tooling, and the motor tooling includes a plurality of dovetail groove guide rails; a motor mounting assembly is relatively arranged on each dovetail groove guide rail.

[0010] Furthermore, the gearbox tooling includes a bracket; the bracket is a U-shaped structure, and the bottom of the bracket is connected to the base; the tops of both ends of the bracket are fixedly connected to fixed seats; grooves are provided at relative positions of the fixed seats, and support plates for installing the gearbox are fixed in the grooves; the top of the support plate is pluggably connected to a tooling pressure plate.

[0011] Furthermore, the motor mounting assembly includes a sliding bracket and a motor mounting plate; the sliding brackets are respectively arranged at two ends of the dovetail groove guide rail relative to each other, and the top of the sliding bracket is detachably connected to the motor mounting plate.

[0012] Furthermore, the guide rail slider includes a first guide rail slider and a second guide rail slider; the driving assembly includes a motor fixed on a base; the motor is connected to a reducer, a coupling and a screw assembly in sequence; the screw assembly is connected to a slide push plate through a screw nut detection plate; the slide push plate is located between the first guide rail slider and the second guide rail slider, and the slide push plate is fixedly connected to the slide; the first screw nut push plate and the second screw nut push plate are respectively arranged on both sides of the slide push plate.

[0013] Furthermore, the reducer is fixed on the base through a reducer mounting frame.

[0014] Furthermore, shock-absorbing pads are provided at both ends of the guide rail.

[0015] Furthermore, a plurality of leveling feet are provided at the bottom of the base.

[0016] Furthermore, one side of the screw assembly is also provided with a first proximity switch bracket, a second proximity switch bracket and a third proximity switch bracket fixed on the base in sequence; the first proximity switch bracket, the second proximity switch bracket and the third proximity switch bracket are used to install proximity switches and record the upper limit position, zero position and lower limit position of the slide.

[0017] Furthermore, the slide table and the slide table push plate are connected by bolts.

[0018] Furthermore, the slide table and the first guide rail slider are connected by bolts.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model discloses a mechanical quick-change mechanism of a new energy power offline test bench. Before installing a product on the quick-change mechanism of the test bench, pre-installation is first performed, and a support plate is first connected to a gearbox, and then fixed to the bracket through a tooling pressure plate; then a motor mounting plate is fixed to a motor of a product to be tested, and then fixed to a sliding bracket; the sliding bracket is arranged on a dovetail groove guide rail, which is convenient for adjusting the spacing between motor mounting components and can be well compatible with new energy power products of different sizes; the motor drives the lead screw assembly so that the lead screw nut push plate pushes the slide table push plate, thereby causing the guide rail slider to slide on the guide rail; and the corresponding positions of different products can be recorded through proximity switches; the utility model has high compatibility and applicability to different products, is easy to install and disassemble, saves time and cost, and ensures quick replacement of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the detection installation of the utility model;

[0024] Figure 3 It is a schematic diagram of the overall structure of the gearbox tooling of the utility model;

[0025] Figure 4 It is a schematic diagram of the split structure of the gearbox tooling of the utility model.

[0026] Among them: 1-first dovetail groove guide rail; 2-first sliding bracket; 3-first guide rail shock pad; 4-first motor mounting plate; 5-base; 6-gearbox tooling; 601-bracket; 602-fixed seat; 603-tooling pressure plate; 604-support plate; 7-second dovetail groove guide rail; 8-third dovetail groove guide rail; 9-second sliding bracket; 10-slide table; 11-second motor mounting plate; 12-third sliding bracket; 13-third motor mounting plate; 14-fourth motor mounting plate; 15-fourth sliding bracket; 16-fourth dovetail groove guide rail; 17-first guide rail ;18-screw assembly;19-second guide rail shock pad;20-coupling;21-second guide rail;22-third guide rail shock pad;23-motor;24-reducer;25-reducer mounting bracket;26-first proximity switch bracket;27-second proximity switch bracket;28-first guide rail slider;29-first screw nut push plate;30-slide push plate;31-screw nut detection plate;32-second screw nut push plate;33-third proximity switch bracket;34-second guide rail slider;35-leveling foot;36-tested product;37-product tooling. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the embodiments of the present utility model, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", which does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 utility model can be understood according to specific circumstances.

[0033] The utility model is further described in detail below with reference to the accompanying drawings:

[0034] See also Figure 1The embodiment of the utility model discloses a mechanical quick-change mechanism of a new energy power offline test bench, including a base 5, a gearbox tooling 6 and a motor tooling, wherein the base 5 is provided with a guide rail; a slide 10 is fixed on the guide rail through a guide rail slider; a motor tooling is provided on the slide 10; a driving assembly is also provided on the base 5, which is used to drive the slider to drive the slide 10 and the motor tooling to slide on the guide rail; the gearbox tooling 6 is installed on the base 5, and is used to fix the gearbox structure of the new energy power product to be tested; the motor tooling is located on one side of the gearbox tooling 6, and the motor tooling includes several groups of dovetail groove guide rails; each group of dovetail groove guide rails is relatively provided with a motor mounting assembly. Before installing the product on the test bench quick-change mechanism, the utility model first performs pre-installation, connects the product to be tested with the gearbox tooling 6 and the motor tooling respectively, and then installs it on the base 5, which is easy to operate and convenient to install and disassemble.

[0035] See also Figure 3 In a feasible implementation manner of the utility model, the gearbox tooling includes a bracket 601; the bracket 601 is a U-shaped structure, and the bottom of the bracket 601 is connected to the base 5; the tops of both ends of the bracket 601 are fixedly connected with fixed seats 602; the relative positions of the fixed seats 602 are provided with grooves, and the grooves are fixed with support plates 604 for installing the gearbox; the top of the support plate 604 is pluggably connected with a tooling pressure plate 603.

[0036] In a feasible embodiment of the utility model, the motor mounting assembly includes a sliding bracket and a motor mounting plate; the sliding brackets are respectively arranged at the two ends of the dovetail groove guide rail, and the top of the sliding bracket is detachably connected to the motor mounting plate. Specifically, the dovetail groove guide rail includes a first dovetail groove guide rail 1, a second dovetail groove guide rail 7, a third dovetail groove guide rail 8 and a fourth dovetail groove guide rail 16; the sliding bracket includes a first sliding bracket 2, a second sliding bracket 9, a third sliding bracket 12 and a fourth sliding bracket 15, which are respectively installed on the first dovetail groove guide rail 1, the second dovetail groove guide rail 7, the third dovetail groove guide rail 8 and the fourth dovetail groove guide rail 16; the top of the first sliding bracket 2 is detachably connected to the first motor mounting plate 4; the top of the second sliding bracket 9 is detachably connected to the second motor mounting plate 11; the top of the third sliding bracket 12 is detachably connected to the third motor mounting plate 13; the top of the fourth sliding bracket 15 is detachably connected to the fourth motor mounting plate 14.

[0037] In a feasible embodiment of the utility model, the guide rail slider includes a first guide rail slider 28 and a second guide rail slider 34; the driving assembly includes a motor 23 fixed on the base 5; the motor 23 is connected to the reducer 24, the coupling 20 and the screw assembly 18 in sequence; the screw assembly 18 is connected to the slide push plate 30 through the screw nut detection plate 31; the slide push plate 30 is located between the first guide rail slider 28 and the second guide rail slider 34, and the slide push plate 30 is fixedly connected to the slide 10; the first screw nut push plate 29 and the second screw nut push plate 32 are respectively arranged on both sides of the slide push plate 30.

[0038] In a feasible implementation manner of the present invention, the reducer 24 is fixed on the base 5 via a reducer mounting frame 25 .

[0039] In a feasible implementation of the utility model, shock-absorbing pads are provided at both ends of the guide rail; specifically, the first guide rail 17 is provided with a first guide rail shock-absorbing pad 3 and a second guide rail shock-absorbing pad 19 at both ends; and a third guide rail shock-absorbing pad 22 is also provided at one end of the second guide rail 21.

[0040] In a feasible implementation manner of the present invention, a plurality of leveling feet 35 are further provided at the bottom of the base 5 .

[0041] In a feasible implementation manner of the utility model, one side of the screw assembly 18 is also provided with a first proximity switch bracket 26, a second proximity switch bracket 27 and a third proximity switch bracket 33 fixed on the base in sequence; the first proximity switch bracket 26, the second proximity switch bracket 27 and the third proximity switch bracket 33 are used to install proximity switches and record the upper limit position, zero position and lower limit position of the slide.

[0042] In a feasible implementation of the present invention, the slide 10 is connected to the slide push plate 30 by bolts. The slide 10 is connected to the first guide rail slider 28 by bolts.

[0043] The working process of the utility model is as follows:

[0044] 1) Product pre-installation: Before installing the product on the test bench quick-change mechanism, pre-installation is first performed. Place the first motor mounting plate 4, the second motor mounting plate 11, the third motor mounting plate 13 and the fourth motor mounting plate 14, and the support plate on Figure 2 The test product 36 is installed when it is under the tooling;

[0045] 2) Disassembly of the gearbox tooling: Pull the tooling pressure plate 603 out to both sides of the bracket 601, and pull the support plate 604 out from the top. The structure after disassembly is as follows: Figure 4 As shown;

[0046] 3) Gearbox tooling installation: Use lifting tools to lift the products pre-installed in step 1) from top to bottom. Figure 4 After hoisting, Figure 3 The tooling pressing plate 603 is pushed in from both sides of the bracket 601, and then screws are used through the threads on the tooling pressing plate 603 to press the product tightly;

[0047] 4) Product installation: After step 3), the motor 23 is driven by the electrical system to drive the reducer 24, and then the screw assembly 18 is driven through the coupling 20, thereby driving the first screw nut push plate 29, the screw nut detection plate 31 and the second screw nut push plate 32; wherein the first screw nut push plate 29 and the second screw nut push plate 32 push the slide push plate 30, the slide push plate 30 is connected to the slide 10 by screws, the slide 10 is connected to the first guide rail slider 28 by screws, and the first guide rail slider 28 slides on the first guide rail 17, so the motor 23 can be driven by the electrical system to drive the entire slide 10 Slide along the first guide rail 17; ensure that the first motor mounting plate 4, the second motor mounting plate 11, the third motor mounting plate 13 and the fourth motor mounting plate 14 are aligned with the strip holes on the first sliding bracket 2, the second sliding bracket 9, the third sliding bracket 12 and the fourth sliding bracket 15 respectively, then use screws to connect the test product with the product tooling, and then use screws to fix the first sliding bracket 2, the second sliding bracket 9, the third sliding bracket 12 and the fourth sliding bracket 15 on the first dovetail groove guide rail 1, the second dovetail groove guide rail 7, the third dovetail groove guide rail 8 and the fourth dovetail groove guide rail 16 respectively. The final result is as follows Figure 2 shown.

[0048] 5) Product compatibility: After steps 1) to 3), when performing step 4), when the electrical system drives the motor and drives the slide to move, the sensors on the first proximity switch bracket 26, the second proximity switch bracket 27 and the third proximity switch bracket 33 on the base 5 respectively record the upper limit position, zero point position and lower limit position of the slide, and the corresponding positions of different products are recorded in the electrical system. Then, for subsequent operations, each time the product is replaced, the corresponding position can be directly called.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mechanical quick-change mechanism for a new energy power offline test bench. It is characterized in that include: A base (5), wherein a guide rail is arranged on the base (5); a slide (10) is fixed on the guide rail via a guide rail slider; a motor tooling is arranged on the slide (10); and a driving component is also arranged on the base (5) for driving the slider to drive the slide (10) and the motor tooling to slide on the guide rail; A gearbox tool (6), the gearbox tool (6) being mounted on the base (5) and used to fix the gearbox structure of the new energy power product to be tested; The motor tooling is located on one side of the gearbox tooling (6), and the motor tooling comprises a plurality of dovetail groove guide rails; a motor mounting assembly is arranged on each dovetail groove guide rail in a relative manner.

2. According to claim 1, a mechanical quick-change mechanism for a new energy power offline test bench, It is characterized in that The gearbox tooling comprises a bracket (601); the bracket (601) is a U-shaped structure, and the bottom of the bracket (601) is connected to the base (5); the tops of both ends of the bracket (601) are fixedly connected to fixed seats (602); grooves are provided at relative positions of the fixed seats (602), and a support plate (604) for installing the gearbox is fixed at the groove; and a tooling pressure plate (603) is pluggably connected to the top of the support plate (604).

3. According to claim 1, a mechanical quick-change mechanism for a new energy power offline test bench, It is characterized in that The motor mounting assembly comprises a sliding bracket and a motor mounting plate; the sliding brackets are respectively arranged at two ends of the dovetail groove guide rail in a relatively opposite manner, and the top of the sliding bracket is detachably connected to the motor mounting plate.

4. According to claim 1, a mechanical quick-change mechanism for a new energy power offline test bench, It is characterized in that The guide rail slider comprises a first guide rail slider (28) and a second guide rail slider (34); the driving assembly comprises a motor (23) fixed on a base (5); the motor (23) is connected to a reducer (24), a coupling (20) and a screw assembly (18) in sequence; the screw assembly (18) is connected to a slide plate (30) via a screw nut detection plate (31); the slide plate (30) is located between the first guide rail slider (28) and the second guide rail slider (34), and the slide plate (30) is fixedly connected to the slide (10); a first screw nut push plate (29) and a second screw nut push plate (32) are respectively arranged on both sides of the slide plate (30).

5. According to claim 4, a mechanical quick-change mechanism for a new energy power offline test bench, It is characterized in that The reducer (24) is fixed on the base (5) via a reducer mounting frame (25).

6. According to claim 5, a mechanical quick-change mechanism for a new energy power offline test bench, It is characterized in that Shock-absorbing pads are arranged at both ends of the guide rail.

7. According to claim 6, a mechanical quick-change mechanism for a new energy power offline test bench, It is characterized in that The bottom of the base (5) is also provided with a plurality of leveling feet (35).

8. A mechanical quick-change mechanism for a new energy power offline test bench according to any one of claims 4 to 7, It is characterized in that One side of the screw assembly (18) is also provided with a first proximity switch bracket (26), a second proximity switch bracket (27) and a third proximity switch bracket (33) fixed on the base in sequence; the first proximity switch bracket (26), the second proximity switch bracket (27) and the third proximity switch bracket (33) are used to install proximity switches and record the upper limit position, zero point position and lower limit position of the slide.

9. According to claim 8, a mechanical quick-change mechanism for a new energy power offline test bench, It is characterized in that The slide table (10) and the slide table push plate (30) are connected via bolts.

10. According to claim 9, a mechanical quick-change mechanism for a new energy power offline test bench, It is characterized in that The slide table (10) and the first guide rail slider (28) are connected via bolts.

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