Positioning tool for testing cooling oil pipe assembly

Abstract

A positioning tool used for testing a cooling oil pipe assembly comprises a workbench, an arc-shaped positioning table is fixedly connected to the position over the workbench, an open hole used for allowing an oil injection branch pipe to penetrate through is formed in the positioning table in the arc-shaped direction of the positioning table, and a plurality of rotary telescopic air cylinders are fixedly arranged at the position, close to the positioning table, of the workbench. A swing arm is installed at the top of a telescopic rod of the rotary telescopic air cylinder, a pressing block is fixedly connected to the lower portion of the free end of the swing arm, and the swing arm is used for swinging the pressing block to the position over the positioning table and enabling the pressing block to be pressed on the cooling oil pipe assembly after being pressed downwards. The positioning table matched with the main oil duct in appearance is arranged, the open hole used for giving way to the oil spraying branch pipe is formed in the positioning table, the telescopic air cylinder is rotated to drive the swing arm and the pressing block to press the cooling oil pipe assembly on the positioning table, and therefore the cooling oil pipe assembly is fixed and positioned, and the cooling oil pipe assembly positioning device is simple in structure, convenient to operate and high in practicability. And the cooling oil pipe assembly can be stably positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of testing of cooling oil pipe assemblies, and particularly relates to a positioning tooling for testing cooling oil pipe assemblies. Background Art

[0002] The electric drive cooling system is used to cool the electric drive motor to ensure the normal operation of the electric drive motor; in addition to overall cooling, the cooling of the electric drive motor can be achieved by adding a large amount of lubricating oil; it can also be cooled at fixed points, and fixed-point oil injection cooling can be achieved through cooling oil pipes. The cooling spray oil pipe of an oil-cooled motor with the publication number CN220653134U and a cooling oil pipe assembly with the application number 2024214932123 both include a main oil passage and oil injection branch pipes communicated with the main oil passage. The inside of the oil injection branch pipes is a sub-oil passage, and oil injection holes are distributed on both the oil injection branch pipes and the oil collecting pipe die; during use, the cooling oil pipe assembly is wound around the outside of the electric drive motor and close to the electric drive motor, and the oil injection holes are oriented towards specific points to be cooled on the electric drive motor, and the oil injection holes perform fixed-point oil injection cooling on the electric drive motor, so that a small amount of oil injection can meet the cooling requirements of the electric drive motor. In order to test the cooling oil pipe assembly, it is necessary to fix and position the cooling oil pipe assembly. Currently, there is a lack of corresponding positioning tooling on the market. Content of the Utility Model

[0003] Aiming at the problems in the prior art, the utility model provides a positioning tooling for testing cooling oil pipe assemblies, aiming to facilitate the positioning and fixing of the cooling oil pipe assemblies and improve the stability of the testing process.

[0004] A positioning tooling for testing cooling oil pipe assemblies includes a workbench. An arc-shaped positioning table is fixedly connected above the workbench. An opening for passing through the oil injection branch pipes is formed in the positioning table along its arc direction. A plurality of rotary telescopic cylinders are fixedly arranged on the workbench near the positioning table. Rotary telescopic cylinders are arranged at positions corresponding to the middle and ends of the positioning table. The top of the telescopic rod of the rotary telescopic cylinder is higher than the positioning table. A swing arm is installed at the top of the telescopic rod. A pressing block is fixedly connected below the free end of the swing arm. The swing arm is used to swing the pressing block above the positioning table and press the pressing block against the cooling oil pipe assembly after pressing down.

[0005] Further: The inner wall of the opening matches and fits with the outer wall of the oil injection branch pipe.

[0006] Further: The opening is conical.

[0007] Further: A first column is fixedly connected to the workbench. A positioning pin is fixedly connected to the top of the first column. The top of the positioning pin is conical.

[0008] Further, the lower part of the positioning pin is integrally connected with a screw pin, the screw pin penetrates into the top surface of the first column and is in threaded fit with the first column, and the bottom surface of the positioning pin is attached to the top surface of the first column.

[0009] Further, a second column is fixedly connected between the positioning table and the workbench. The lower end of the second column is bolted to the workbench, and the upper end of the second column penetrates into the positioning table and is in interference fit with it.

[0010] Further, a receiving groove is fixedly connected to the workbench at a position directly below the opening, and the receiving groove is matched with the lower end of the fuel injection branch pipe.

[0011] The beneficial effects of the present utility model: By providing a positioning table that matches the outer shape of the main oil passage, and opening an opening on the positioning table for making way for the fuel injection branch pipe, and driving the swing arm and the pressing block by rotating the telescopic cylinder to press the cooling oil pipe assembly on the positioning table, thereby realizing the fixed positioning of the cooling oil pipe assembly. The structure of the present utility model is simple, the operation is convenient, and the cooling oil pipe assembly can be stably positioned. Description of the Drawings

[0012] Figure 1 is a schematic structural view of the present utility model;

[0013] Figure 2 is a schematic structural view of the cooling oil pipe assembly;

[0014] Figure 3 is a schematic view of the assembly effect of the present utility model and the cooling oil pipe assembly. Detailed Embodiments

[0015] The following will describe the present utility model in detail with reference to the drawings. The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and should not be construed as a limitation of the present utility model. The terms such as left, middle, right, up, and down in the embodiments of the present utility model are only relative concepts to each other or are referenced based on the normal use state of the product, and should not be considered restrictive.

[0016] A positioning tool for testing a cooling oil pipe assembly, in combination with Figure 1 and Figure 2As shown in the figure, it includes a workbench 1. An arc-shaped positioning table 3 is fixedly connected directly above the workbench 1. The positioning table 3 is horizontally arranged, and the tabletop of the positioning table 3 is used to fit against the outer wall of the main oil passage 61. An opening 31 for passing through the injection oil branch pipe 63 is provided on the positioning table 3 along its arc direction. To facilitate the positioning of the cooling oil pipe assembly, the inner wall of the opening 31 matches and fits against the outer wall of the injection oil branch pipe 63. To adapt to the conical injection oil branch pipe 63, the opening is conical; several rotary telescopic cylinders 2 are fixedly arranged on the workbench 1 near the positioning table 3. Rotary telescopic cylinders 2 are arranged at positions corresponding to the middle and ends of the positioning table 3. The top end of the telescopic rod 21 of the rotary telescopic cylinder 2 is higher than the positioning table 3. A swing arm 22 is installed at the top of the telescopic rod 21. A pressing block 23 is fixedly connected below the free end of the swing arm 22. The swing arm 22 is used to swing the pressing block 23 above the positioning table 3 and press the pressing block 23 down to press on the cooling oil pipe assembly.

[0017] Among them, to detect and position the ear plate 62 on the cooling oil pipe assembly, a first column 4 is fixedly connected to the workbench 1. A positioning pin 41 is fixedly connected to the top of the first column 4. The top of the positioning pin 41 is conical; to facilitate the replacement of positioning pins 41 of different sizes, a screw pin (not shown in the figure) is integrally connected to the lower part of the positioning pin 41. The screw pin penetrates into the top surface of the first column 4 and is in threaded cooperation with the first column 4. The bottom surface of the positioning pin 41 fits against the top surface of the first column 4.

[0018] To facilitate the fixation of the positioning table 3 on the workbench 1, a second column 5 is fixedly connected between the positioning table 3 and the workbench 1. The lower end of the second column 5 is bolted to the workbench 1. The upper end of the second column 5 penetrates into the positioning table 3 and is in interference fit with it; a gap for exposing the injection oil branch pipe 63 is formed between the positioning table 3 and the workbench 1; to facilitate the positioning of the free end of the injection oil branch pipe 63, a receiving groove 11 is fixedly connected to the workbench 1 at a position directly below the opening 31. The receiving groove 11 matches the lower end of the injection oil branch pipe 63.

[0019] During operation, as shown in Figure 2 and Figure 3 the figure, the main oil passage 61 is placed on the positioning table 3 and its lower outer wall is made to fit against the positioning table 3. At the same time, the injection oil branch pipe 63 is inserted into the opening 31, and the root of the injection oil branch pipe 63 is in contact with and limited by the opening 31; then, the rotary telescopic cylinder 2 operates, the swing arm 22 moves the pressing block 23 above the main oil passage 61, and subsequently, the rotary telescopic cylinder 2 drives the pressing block 23 to press down and make the pressing block 23 press on the upper outer wall of the main oil passage 61, thereby positioning and fixing the cooling oil pipe assembly in the present utility model.

[0020] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning tooling for testing a cooling oil pipe assembly, characterized in that: It includes a workbench, and an arc-shaped positioning table is fixedly connected directly above the workbench. An opening for passing through an oil injection branch pipe is provided on the positioning table along its arc direction. A number of rotary telescopic cylinders are fixedly arranged on the workbench near the positioning table. Rotary telescopic cylinders are arranged at positions corresponding to the middle and end of the positioning table. The top of the telescopic rod of the rotary telescopic cylinder is higher than the positioning table. A swing arm is installed at the top of the telescopic rod. A pressing block is fixedly connected below the free end of the swing arm. The swing arm is used to swing the pressing block directly above the positioning table and press the pressing block against the cooling oil pipe assembly after pressing down.

2. The positioning tooling for testing the cooling oil pipe assembly according to claim 1, wherein: The inner wall of the opening matches and fits with the outer wall of the oil injection branch pipe.

3. The positioning tooling for testing the cooling oil pipe assembly according to claim 2, characterized in that: The opening is conical.

4. The positioning tooling for testing the cooling oil pipe assembly according to claim 1, characterized in that: A first column is fixedly connected to the workbench, and a positioning pin is fixedly connected to the top of the first column. The top of the positioning pin is conical.

5. The positioning tooling for testing the cooling oil pipe assembly according to claim 4, characterized in that: A screw pin is integrally connected to the lower part of the positioning pin. The screw pin penetrates into the top surface of the first column and is in threaded cooperation with the first column. The bottom surface of the positioning pin fits with the top surface of the first column.

6. The positioning tooling for testing the cooling oil pipe assembly according to claim 1, characterized in that: A second column is fixedly connected between the positioning table and the workbench. The lower end of the second column is bolted to the workbench, and the upper end of the second column penetrates into the positioning table and is in interference fit with it.

7. The positioning tooling for testing the cooling oil pipe assembly according to claim 6, characterized in that: A receiving groove is fixedly connected to the workbench at a position directly below the opening. The receiving groove matches the lower end of the oil injection branch pipe.

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