Integrated assembly table for ejector of fuel cell system

Abstract

The utility model discloses an integrated assembly table for an ejector of a fuel cell system, which comprises a working table and is characterized in that a positioning clamp for positioning the ejector is arranged on the working table and comprises a positioning seat, a clamping block is arranged on one side of the positioning seat, and the clamping block is arranged on the other side of the positioning seat. And the clamping block presses the ejector in the positioning seat under the action of the clamping block pressing mechanism. The integrated assembling table for the ejector of the fuel cell system is simple in structure, the ejector can be conveniently and quickly positioned and clamped, the ejector is convenient to assemble and install, the assembling efficiency and the assembling quality are greatly improved, and the integrated assembling table has high practicability and good application prospects.

Description

Technical Field

[0001] The utility model belongs to the technical field of batteries, and more specifically relates to an ejector integrated assembly platform for a fuel cell system. Background Art

[0002] As one of the important carriers of hydrogen energy application, hydrogen fuel cell vehicles will play a huge demonstration role in the development of hydrogen energy industry. At present, hydrogen energy has been widely used in many fields, hydrogen fuel cells are developing rapidly, and fuel cell systems have various sizes and models. Since fuel cell systems are highly integrated products, the ejector assembly is a highly integrated component, which needs to be assembled and integrated in advance. During the assembly and integration process, sensors, proportional valves, shut-off valves and other components need to be installed, and bolts and nuts need to be used for connection and tightening. In particular, sensors require large torque tightening, and traditional workbenches cannot meet the assembly requirements.

[0003] The existing patent application publication number is CN 116989013 A, and the name is "Ejector, Fuel Cell System and Automobile". It specifically relates to an ejector, a fuel cell system and an automobile. The ejector includes an ejector device, and the ejector device includes: a first nozzle, a control valve, a second nozzle and a drive mechanism. The first nozzle includes a first air inlet and a first exhaust port. The control valve is connected to the air supply channel and the first air inlet to control the gas flow entering the first air inlet. The second nozzle includes a second air inlet and a second exhaust port. The drive mechanism is connected to the second nozzle to drive the second nozzle to move, so that the first exhaust port and the second air inlet are separated or combined. The ejector assembly is inconvenient to assemble and cannot well meet the requirements of efficient and stable assembly. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art and to provide an integrated assembly platform for fuel cell system ejectors which has a simple structure and can conveniently and quickly position and clamp the ejector, facilitates the assembly and installation of the ejector, and greatly improves the assembly efficiency and assembly quality.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: the provided integrated assembly table for the ejector of the fuel cell system includes a workbench, which is characterized in that: the workbench is provided with a positioning fixture for positioning the ejector, the positioning fixture includes a positioning seat, and a clamping block is provided on one side of the positioning seat, and the clamping block presses the ejector in the positioning seat under the action of the clamping block clamping mechanism.

[0006] In order to make the above technical solution more detailed and specific, the utility model also provides the following further preferred technical solutions to obtain satisfactory practical effects:

[0007] A bracket is arranged on the side of the workbench, and an industrial control integrated machine is arranged on the bracket.

[0008] The bracket is provided with a placing partition and a lighting lamp.

[0009] The positioning seat comprises a positioning base, a back plate is arranged on the positioning base, and a supporting bracket is arranged in front of the back plate on the positioning base and supported under the horizontally arranged ejector.

[0010] The support brackets include a first support bracket and a second support bracket which are arranged at intervals and supported at two ends of the ejector.

[0011] The first supporting bracket is provided with an air supply pipeline supporting hole, and the air supply pipeline of the ejector is plugged into the air supply pipeline supporting hole.

[0012] A bottom support groove is provided on the bottom surface of the positioning base. When the ejector is vertically positioned, the bottom is supported in the bottom support groove, and the middle part passes through the interval gap between the first support bracket block and the second support bracket block.

[0013] The clamping block includes a vertical clamping groove that is engaged with the ejector vertically arranged on the positioning seat, and is also provided with a horizontal clamping groove that is engaged with the ejector horizontally arranged on the positioning seat.

[0014] The clamping block clamping mechanism comprises a push rod, one end of which is connected to a push rod connecting hole provided on the clamping block, and the other end is connected to a clamping handle, and the clamping handle is rotatably connected to a push rod supporting seat.

[0015] A guide mechanism is arranged on the workbench, and the guide mechanism includes a guide rod arranged parallel to the push rod, and the guide rod passes through a guide sleeve and can move back and forth in the guide sleeve, and the guide sleeve is supported on the workbench through a guide sleeve support seat, and the clamp block is provided with a guide rod mounting hole connected to the front end of the guide rod

[0016] Compared with the prior art, the utility model has the following advantages: the utility model is used for the integrated assembly table of the ejector of the fuel cell system, has a simple structure, can conveniently and quickly position and clamp the ejector, is convenient for assembling and installing the ejector, greatly improves the assembly efficiency and assembly quality, and has strong practicality and good application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following is a brief description of the contents and symbols in the drawings of this specification:

[0018] Figure 1 This is a schematic diagram of the structure of the ejector integrated assembly platform of the utility model;

[0019] Figure 2This is a schematic diagram of the structure of the ejector positioning fixture in the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the ejector positioning fixture in the utility model;

[0021] Figure 4 This is a schematic diagram of the positioning seat structure in the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the clamping block in the utility model;

[0023] Figure 6 This is a schematic diagram of the vertical clamping position of the ejector in the utility model;

[0024] Figure 7 This is a schematic diagram of the horizontal clamping position of the ejector in the utility model;

[0025] Figure 8 This is a schematic diagram of the structure of the ejector in the utility model;

[0026] Fig. 9 It is a schematic diagram of the structure of the ejector in the utility model.

[0027] The following are marked in the figure: 1. workbench; 2. bracket; 3. partition board; 4. industrial control integrated machine; 5. lighting; 6. positioning fixture; 7. ejector;

[0028] 61, positioning seat; 611, positioning base; 612, back plate; 613, first support bracket; 614, second support bracket; 615, bottom support groove; 616, air supply pipeline support hole;

[0029] 62, clamping block; 621, vertical clamping slot; 622, horizontal clamping slot; 623, push rod connecting hole; 624, guide rod mounting hole;

[0030] 63. Clamping block clamping mechanism; 631. Push rod; 632. Clamping handle; 633. Push rod support seat;

[0031] 64. guide mechanism; 641. guide rod; 642. guide sleeve; 643. guide sleeve support seat;

[0032] 71. Shut-off valve installation position; 72. Proportional valve installation position; 73. Sensor installation position; 74. Air supply pipeline. DETAILED DESCRIPTION

[0033] The specific implementation of the utility model will be further explained in detail below through the description of embodiments with reference to the accompanying drawings.

[0034] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They 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. Therefore, they cannot be understood as limitations on the present invention.

[0035] The utility model is used for an ejector integrated assembly platform for a fuel cell system, such as Figure 1 As shown in FIG. 1 , a workbench 1 is included as an operating table to facilitate operation and control. A positioning fixture 6 for positioning an ejector 7 is provided on the workbench 1. Figure 2 , 3 As shown in the figure, the positioning fixture 6 includes a positioning seat 61 for supporting and placing the ejector 7. A clamping block 62 is provided on one side of the positioning seat 61. The clamping block 62 presses the ejector 7 in the positioning seat 61 under the action of a clamping block clamping mechanism 63. Since the ejector and related components are always fixed by the positioning fixture during the assembly process, the fastening and assembly efficiency is increased, and the assembly is also safer.

[0036] In the utility model, Figure 4 As shown in , the positioning seat 61 includes a positioning base 611, and a back plate 612 is provided on the positioning base 611 for supporting against the ejector 7, and a clamping block 62 is provided on the side opposite to the back plate 612. A support bracket supported under the horizontally arranged ejector 7 is provided in front of the back plate 612 on the positioning base 611, and the support bracket includes a first support bracket 613 and a second support bracket 614 arranged at intervals and supported at both ends of the ejector, and an air supply pipe support hole 616 is provided on the first support bracket 613, and the air supply pipe 74 can be plugged into the air supply pipe support hole 616 to ensure the stability of the support. The support surfaces of the first support bracket 613 and the second support bracket 614 are in contact with the ejector in a contoured manner. The ejector 7 arranged vertically can pass through the first support bracket 613 and the second support bracket 614. A bottom support groove 615 is provided on the bottom surface of the positioning base 611. When the ejector 7 is vertically positioned, the bottom is supported in the bottom support groove 615, and the middle passes through the interval between the first support bracket 613 and the second support bracket 614. This structural setting can meet the requirements of clamping and positioning the ejector 7 in both vertical and horizontal states, such as Figure 6 , 7 As shown in , it is beneficial to install shut-off valves, proportional valves, sensors and other components on the ejector 7, such as Figure 8 , 9As shown, it is a schematic diagram of the installation positions of various components on the ejector, including the shut-off valve installation position 71, the proportional valve installation position 72, and the sensor installation position 73. According to the installation requirements, select the appropriate positioning and clamping state to facilitate the operation and installation, and improve the installation stability and efficiency.

[0037] In the utility model, Figure 5 As shown in the figure, the clamp block 62 includes a vertical clamping groove 621 that is clamped with the ejector 7 vertically arranged on the positioning seat 61, and a horizontal clamping groove 622 that is clamped with the ejector 7 horizontally arranged on the positioning seat 61, so as to better match the ejectors in the two clamping states, improve the clamping stability, and facilitate the clamping and positioning assembly of the ejector. The clamp block 62 is also provided with a push rod connection hole 623 and a guide rod mounting hole 624.

[0038] In the utility model, Figure 3 As shown in , the clamping block clamping mechanism 63 includes a push rod 631, one end of the push rod 631 is connected to the push rod connecting hole 623, and the other end is connected to a clamping handle 632, which is rotatably connected to the push rod support seat 633. By operating the clamping handle 632, the push rod 631 and the clamping block 62 are driven to move and clamp on the ejector 7 to clamp and fix the ejector, which is convenient for subsequent installation and assembly. In order to further control the stable moving and clamping process of the clamping block, a guide mechanism 64 is also provided on the workbench to control its moving direction. The guide mechanism 64 is arranged below the push rod 631, including a guide rod 641 arranged parallel to the push rod 631, and the guide rod 641 passes through a guide sleeve 642, which is supported on the workbench 1 through a guide sleeve support seat 643. The clamping block 62 is provided with a guide rod mounting hole 624 connected to the front end of the guide rod 631, and the guide rod 631 can move back and forth in the guide sleeve 642.

[0039] In the utility model, Figure 1 As shown in the figure, a bracket 2 is provided on the side of the workbench 1, and an industrial control all-in-one computer 4 is provided on the bracket 2. The industrial control all-in-one computer 4 is used to display the assembly operation instructions for reference by the assemblers; during the installation process, the torque data of the installation tool is connected and uploaded to the industrial control all-in-one computer 4, and the tool tightening data is uploaded to the program software in the industrial control computer for storage and comparison, which plays a role in error prevention and traceability.

[0040] In the utility model, Figure 1 As shown in the figure, the bracket 2 is provided with multi-layer spaced partitions 3 for placing the components required for installation, which is convenient for taking and assembling and improves the assembly efficiency; the bracket 2 is also provided with a lighting lamp 5 to provide lighting for the assemblers and facilitate the assembly operation.

[0041] The utility model is used for an integrated assembly platform for an ejector of a fuel cell system, comprising a workbench 1, an industrial control integrated machine 4 and a positioning fixture 6; during the assembly and integration process of the ejector assembly, the ejector 7 is placed in the positioning fixture 6 at a suitable position for fixing and clamping, and after the positioning fixture 6 is clamped, the associated components are assembled, such as sensors, proportional valves, shut-off valves and other components (wherein the proportional valve controls the gas flow entering the air inlet through the air supply channel by adjusting its own valve opening; the shut-off valve plays an opening and closing role and is used to control the opening and closing of the ejector; the sensor detects pressure), and bolts and nuts are used for connection and tightening, which effectively solves the positioning fixture problem during assembly, and during assembly and tightening, the tightening torque parameters can be connected to the industrial control computer system, so that the torque can be traced and the quality is controlled. At the same time, the industrial control integrated machine can also visually assemble the work instructions for reference by the assembler. It is convenient to install the proportional valve on the upper part when it is placed in a horizontal position, and it is convenient to install the shut-off valve at the end and the sensor at the bottom when it is placed in a vertical position.

[0042] When integrating and subassembling the ejector, first place the required fastening standard parts on the standard metal parts storage partition, turn on the power of the industrial computer, open the work instruction file, open the tool torque program, place the ejector body on the positioning fixture for positioning and clamping, and then subassemble the related parts, sensors, proportional valves, and shut-off valves and tighten them with tools. The tool tightening data is uploaded to the program software in the industrial computer for storage and comparison, which plays a role in error prevention and traceability. Since the ejector and related parts are always fixed by the positioning fixture during the assembly process, the fastening and assembly efficiency is increased, making the assembly safer.

[0043] The utility model is used for an integrated assembly table for an ejector of a fuel cell system, which fixes the ejector, sub-assembles and connects and fastens different basic components, uploads and archives data parameters of fastening tools, and performs error-proofing processing through confirmation of operation instructions during the assembly process, effectively solving the positioning, error-proofing and traceability problems during sub-assembly.

[0044] The utility model is used for the integrated assembly table of the ejector of the fuel cell system, has a simple structure, can conveniently and quickly position and clamp the ejector, is easy to assemble and install the ejector, greatly improves the assembly efficiency and assembly quality, and has strong practicality and good application prospects.

[0045] In the description of the present invention, it should be noted 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] The present invention is described above by way of example in conjunction with the accompanying drawings, but the present invention is not limited to the above manner. As long as various non-substantial improvements made using the method concept and technical solution of the present invention or direct applications to other occasions are made, they all fall within the protection scope of the present invention.

Claims

1. An integrated assembly platform for an ejector of a fuel cell system, comprising a workbench, characterized in that: The workbench is provided with a positioning fixture for positioning the ejector, and the positioning fixture includes a positioning seat, and a clamping block is provided on one side of the positioning seat. The clamping block presses the ejector in the positioning seat under the action of a clamping block clamping mechanism.

2. The ejector integrated assembly platform for a fuel cell system according to claim 1, characterized in that: A bracket is arranged on the side of the workbench, and an industrial control integrated machine is arranged on the bracket.

3. The ejector integrated assembly platform for a fuel cell system according to claim 2, characterized in that: The bracket is provided with a placing partition and a lighting lamp.

4. An ejector integrated assembly platform for a fuel cell system according to any one of claims 1 to 3, characterized in that: The positioning seat comprises a positioning base, a back plate is arranged on the positioning base, and a supporting bracket is arranged in front of the back plate on the positioning base and supported under the horizontally arranged ejector.

5. The ejector integrated assembly platform for a fuel cell system according to claim 4, characterized in that: The support brackets include a first support bracket and a second support bracket which are arranged at intervals and supported at two ends of the ejector.

6. The ejector integrated assembly platform for a fuel cell system according to claim 5, characterized in that: The first supporting bracket is provided with an air supply pipeline supporting hole, and the air supply pipeline of the ejector is plugged into the air supply pipeline supporting hole.

7. The ejector integrated assembly platform for a fuel cell system according to claim 6, characterized in that: A bottom support groove is provided on the bottom surface of the positioning base. When the ejector is vertically positioned, the bottom is supported in the bottom support groove, and the middle part passes through the interval gap between the first support bracket block and the second support bracket block.

8. The ejector integrated assembly platform for a fuel cell system according to claim 7, characterized in that: The clamping block includes a vertical clamping groove that is engaged with the ejector vertically arranged on the positioning seat, and is also provided with a horizontal clamping groove that is engaged with the ejector horizontally arranged on the positioning seat.

9. The ejector integrated assembly platform for a fuel cell system according to claim 1, characterized in that: The clamping block clamping mechanism comprises a push rod, one end of which is connected to a push rod connecting hole provided on the clamping block, and the other end is connected to a clamping handle, and the clamping handle is rotatably connected to a push rod supporting seat.

10. The ejector integrated assembly platform for a fuel cell system according to claim 9, characterized in that: A guide mechanism is arranged on the workbench, and the guide mechanism includes a guide rod arranged parallel to the push rod. The guide rod passes through a guide sleeve and can move back and forth in the guide sleeve. The guide sleeve is supported on the workbench through a guide sleeve support seat, and a guide rod mounting hole connected to the front end of the guide rod is provided on the clamping block.

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