Detection tool jig of fuel cell power generation device

Abstract

The utility model belongs to the technical field of fuel cell detection, and provides a detection tool jig of a fuel cell power generation device, which comprises a base and a tool table, the base comprises a bottom plate and two supports, a hinged shaft is arranged between the bottom corners of the supports, a supporting plate is rotatably arranged on the hinged shaft, and the tool table is arranged on the supporting plate. A positioning frame used for positioning the fuel cell is arranged on the plate face of the supporting plate, a connecting shaft is arranged at the end, away from the hinged shaft, of the supporting plate, two steel wire ropes are connected to the two ends of the connecting shaft respectively, and a lifting pulley, a low-sliding pulley and a pay-off wheel are arranged on the transmission side of each steel wire rope. The pay-off wheels are arranged in the tool table and located below the through holes, the centers of the two pay-off wheels are each provided with a half shaft, and the two half shafts are coaxially arranged and arranged at the two output ends of the gear motor respectively. The device is reasonable in design, simple in structure, high in action efficiency, beneficial to reduction of detection operation intensity and suitable for large-scale popularization.

Description

Technical Field

[0001] The utility model belongs to the technical field of fuel cell detection, and in particular relates to a detection tool and fixture for a fuel cell power generation device. Background Art

[0002] A fuel cell is a power generation device that converts the chemical energy in fuel and oxidant directly into electrical energy. The main structure of a fuel cell includes bipolar plates and membrane electrodes. A series of performance tests are required before the fuel cell leaves the factory and after maintenance to ensure its normal power generation performance after installation.

[0003] Existing patent CN202223485948.X discloses a fuel cell system tilt test fixture, including a chassis, a plurality of lifting mechanisms connected to the chassis, and a support frame connected to the chassis, the support frame is configured to be installed and fixed to the fuel cell system; the plurality of lifting mechanisms are independently adjustable, and the cooperation of the plurality of lifting mechanisms enables the chassis and the support frame connected to the chassis to be tilted in at least two intersecting directions. The fuel cell system tilt test fixture is used to place the fuel cell system in a tilted state so as to test the operating condition of the fuel cell system in a tilted state. However, the lifting mechanism used in the device has the problem of low efficiency during the adjustment process. Utility Model Content

[0004] In view of the technical problems existing in the above-mentioned test tooling, the utility model proposes a test tooling fixture for a fuel cell power generation device which has a reasonable design, a simple structure, a high action efficiency and is conducive to reducing the intensity of the test operation.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is that the detection tooling fixture of the fuel cell power generation device provided by the utility model includes a base and a tooling table, the base includes a bottom plate and two triangular-structured brackets arranged on both sides of the bottom plate, a hinge shaft is arranged between the bottom corners of the brackets, a support plate is rotatably arranged on the hinge shaft, a positioning frame for positioning the fuel cell is arranged on the plate surface of the support plate, the support plate is provided with a connecting shaft at one end away from the hinge shaft, the connecting shaft is provided with connecting ports at positions close to its two ends, and the ends of the connecting shaft The bracket is provided with a locking head threadedly connected thereto, the two connecting ports are respectively connected to two steel ropes, the transmission side of each of the steel ropes is provided with a lifting pulley, a low smooth wheel and a pay-off wheel, the lifting pulley is arranged at the top angle position of the bracket, the low smooth wheel is arranged on the side of the bracket and is distributed close to the workbench, the workbench is provided with a through hole for passing the steel wire rope, the pay-off wheel is arranged inside the workbench and below the through hole, a half-axis is arranged at the center of the two pay-off wheels, the two half-axis are coaxially arranged and respectively arranged at the two output ends of the reduction motor.

[0006] Preferably, a vertical guide groove is provided on the inner side of the bracket, a guide member is provided in the guide groove, one end of the guide member is connected to one side of the support plate, and a movable opening for the guide member to slide is provided on the support plate.

[0007] Preferably, the guide member comprises a roller, the center thread of the roller is connected with a hexagon socket bolt, and the hexagon socket bolt passes through the movable opening horizontally.

[0008] Preferably, a strip-shaped opening is provided on the bottom plate, and a buckle strip cooperating with the strip-shaped opening is provided at the bottom of the head end of the positioning frame. The buckle strip is in an arrow-shaped structure and passes through the strip-shaped opening and buckled under the bottom plate.

[0009] Preferably, the positioning frame comprises a rectangular main frame body, and an anti-falling plate is arranged at the rear end of the main frame body, and the anti-falling plate is in a U-shaped structure.

[0010] Compared with the prior art, the advantages and positive effects of the utility model are:

[0011] 1. The detection fixture of the fuel cell power generation device provided by the utility model has a reduction motor driving two half-axes to simultaneously drive two pay-off wheels to adjust the length of the wire rope. The shortening of the length of the wire rope can cause the support plate to rotate around the hinge shaft, and at the same time, the inclination of the fuel cell placed in the positioning frame can also be adjusted, so that the working performance of the fuel cell at different inclinations can be tested. It has a reasonable design, a simple structure, a high action efficiency and is conducive to reducing the intensity of the detection operation, and is suitable for large-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 An axonometric diagram of a testing tool and fixture for a fuel cell power generation device provided in an embodiment;

[0014] Figure 2 A cross-sectional view of a testing tool and fixture for a fuel cell power generation device provided in an embodiment;

[0015] Figure 3 A working diagram of a testing tool and fixture for a fuel cell power generation device provided in an embodiment;

[0016] Figure 4 An axonometric view of a connecting shaft provided for an embodiment;

[0017] Figure 5 An axonometric view of a guide member provided for an embodiment;

[0018] In the above figures, 1, base; 1a, bottom plate; 1b, bracket; 1c, hinge shaft; 1d, guide groove; 2, workbench; 3, support plate; 31, movable opening; 4, positioning frame; 41, buckle strip; 42, main frame; 43, anti-falling plate; 5, connecting shaft; 51, connecting opening; 52, lock; 6, wire rope; 7, lifting pulley; 8, low smooth wheel; 9, pay-off wheel; 10, half shaft; 11, reduction motor; 12, guide; 121, roller; 122, hexagon socket bolt. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear below, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Examples, such as Figures 1 to 5 As shown, the inspection tooling fixture of the fuel cell power generation device provided by the utility model comprises a base 1 and a tooling table 2, wherein the base 1 comprises a bottom plate 1a and two triangular-structured brackets 1b arranged on both sides of the bottom plate 1a, a hinge shaft 1c is arranged between the bottom corners of the brackets 1b, a support plate 3 is rotatably arranged on the hinge shaft 1c, a positioning frame 4 for positioning the fuel cell is arranged on the plate surface of the support plate 3, a connecting shaft 5 is arranged at one end of the support plate 3 away from the hinge shaft 1c, a connecting port 51 is arranged at a position close to both ends of the connecting shaft 5, and a lock head threadedly connected to the connecting shaft 5 is arranged at the end of the connecting shaft 5 52, the two connecting ports 51 are respectively connected to two steel wire ropes 6, and the transmission side of each of the steel wire ropes 6 is provided with a lifting pulley 7, a low smooth wheel 8 and a pay-off wheel 9, the lifting pulley 7 is arranged at the top angle position of the bracket 1b, the low smooth wheel 8 is arranged on the side of the bracket 1b and is distributed close to the workbench 2, and the workbench 2 is provided with a through hole for passing the steel wire rope 6, the pay-off wheel 9 is arranged inside the workbench 2 and is located below the through hole, and a half-axle 10 is arranged at the center of the two pay-off wheels 9, and the two half-axles 10 are coaxially arranged and respectively arranged at the two output ends of the reduction motor 11.

[0022] Specifically, the reduction motor 11 drives the two half-axles 10 to simultaneously drive the two pay-off wheels 9 to rotate, and the pay-off wheel 9 adjusts the length of the wire rope 6. The wire rope 6 always slides along the wheel grooves of the elevated pulley 7 and the low smooth wheel 8 during the length change; the positioning frame 4 is used to place the fuel cell and to position the bottom edge and the rear end of the fuel cell. The shortening of the wire rope 6 can make the support plate 3 together with the positioning frame 4 and the fuel cell rotate around the hinge shaft 1c, so as to obtain the required inclination, so that the working performance of the fuel cell at different inclinations can be tested. The design is reasonable, the structure is simple, the action efficiency is high, and it is conducive to reducing the intensity of the detection operation, and it is very practical.

[0023] In order to improve the stability of the support plate 3 carrying the fuel cell during the adjustment process, the utility model is provided with a vertical guide groove 1d on the inner side of the bracket 1b, and a guide member 12 is provided in the guide groove 1d, one end of the guide member 12 is connected to one side of the support plate 3, and a movable opening 31 for the guide member 12 to slide is provided on the support plate 3. In this way, during the rotation of the support plate 3 with the hinge shaft 1c as the center, the guide member 12 slides correspondingly in the guide groove 1d and the movable opening 31 at the same time, which not only provides anti-bias support for both sides of the support plate 3, but also helps to alleviate the torque load at the hinge shaft 1c.

[0024] Furthermore, the guide member 12 includes a roller 121, the center thread of the roller 121 is connected with a hexagon socket bolt 122, and the hexagon socket bolt 122 horizontally penetrates the movable opening 31. The movable opening 31 is a horizontal T-shaped structure, and its head end penetrates the plate surface of the support plate 3 for the wheel surface of the roller 121 to slide, and the horizontal part of the movable opening 31 is opened from the side of the support plate 3 for the hexagon socket bolt 122 to slide, and the hexagon socket bolt 122 is also connected to the guide groove 1d, and can also slide up and down in the guide groove 1d, so as to meet the synchronous connection relationship between the guide member 12 and the support plate 3 and the bracket 1b.

[0025] In order to facilitate the assembly of the positioning frame 4, the utility model is provided with a strip-shaped opening on the bottom plate 1a, and a buckle strip 41 cooperating with the strip-shaped opening is provided at the bottom of the head end of the positioning frame 4. The buckle strip 41 is in an arrow-shaped structure and passes through the strip-shaped opening and buckles under the bottom plate 1a. Further, the positioning frame 4 includes a rectangular main frame 42, and an anti-falling plate 43 is provided at the tail end of the main frame 42. The anti-falling plate 43 is in a U-shaped structure. For the rear end part of the positioning frame 4, since the fuel cell will automatically sit back after being passively adjusted to a tilted state, the fuel cell can be supported against falling by providing the anti-falling plate 43, and the tail end part of the main frame 42 does not need to be provided with other structures to connect with the support plate 3.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A testing tool for a fuel cell power generation device, comprising a base and a tooling table, characterized in that: The base comprises a bottom plate and two triangular-structured brackets arranged on both sides of the bottom plate, a hinge shaft is arranged between the bottom corners of the bracket, a support plate is rotatably arranged on the hinge shaft, a positioning frame for positioning the fuel cell is arranged on the plate surface of the support plate, the support plate is provided with a connecting shaft at an end away from the hinge shaft, the connecting shaft is provided with connecting ports at positions close to its two ends, the ends of the connecting shaft are provided with locking heads threadedly connected thereto, the two connecting ports are respectively connected to two steel ropes, and the transmission side of each of the steel ropes is provided with a lifting pulley, a low smooth wheel and a pay-off wheel, the lifting pulley is arranged at the top angle position of the bracket, the low smooth wheel is arranged on the side of the bracket and is distributed close to the workbench, the workbench is provided with a through hole for passing the steel wire rope, the pay-off wheel is arranged inside the workbench and below the through hole, a half-axis is arranged at the center of the two pay-off wheels, and the two half-axis are coaxially arranged and respectively arranged at two output ends of the reduction motor.

2. The inspection tool for the fuel cell power generation device according to claim 1, characterized in that: A vertical guide groove is arranged on the inner side of the bracket, a guide piece is arranged in the guide groove, one end of the guide piece is connected to one side of the support plate, and a movable opening for the guide piece to slide is arranged on the support plate.

3. The inspection tool for the fuel cell power generation device according to claim 2, characterized in that: The guide member comprises a roller, a central thread of the roller is connected with a hexagon socket bolt, and the hexagon socket bolt horizontally penetrates the movable opening.

4. The inspection tool for the fuel cell power generation device according to claim 3, characterized in that: The bottom plate is provided with a strip-shaped opening, and the bottom of the head end of the positioning frame is provided with a buckle strip matched with the strip-shaped opening. The buckle strip is in an arrow-shaped structure and passes through the strip-shaped opening and buckled under the bottom plate.

5. The inspection tool for the fuel cell power generation device according to claim 4, characterized in that: The positioning frame comprises a rectangular main frame body, and an anti-falling plate is arranged at the rear end of the main frame body, and the anti-falling plate is in a U-shaped structure.

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