Device for detecting sealing performance of cooling water channel of cylinder cover of power assembly

Abstract

The utility model relates to a power assembly cylinder cover cooling water channel sealing performance detection device comprising a water storage tank, the top of the water storage tank is fixedly connected with a mounting plate, the front surface of the mounting plate is fixedly provided with a lifting cylinder, the water storage tank is internally and fixedly provided with a separator plate, and the top of the separator plate is provided with a test mechanism used for detecting the air tightness of a cooling water channel; the extending ends of an electric push rod and a lifting air cylinder are controlled to be sequentially shrunk to be shortest, so that a piston is separated from the output end of an air outlet pipe, at the moment, a supporting plate drives a cooling water channel to ascend, the position of the cooling water channel corresponds to the position of the output end of an air blowing pipe, and airflow output from an air pump is blown out through the air outlet pipe and then enters the air blowing pipe; the outer wall of the cooling water channel is air-dried through airflow blown out of the output end of the air blowing pipe, the surface moisture drying speed of the cooling water channel is increased, and therefore the situation that the cooling water channel is easily corroded by residual moisture is avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of sealing test devices, specifically a sealing test device for powertrain cylinder head cooling water passages. Background Technology

[0002] The engine cylinder head is a crucial component of the engine, containing multiple cooling channels. These channels run through both the upper and lower ends of the cylinder head, connecting with those within the engine block. Coolant flows into these channels to cool the engine. However, during actual production, cracks invisible to the naked eye may appear around the cooling channels, potentially causing leaks. Therefore, it's necessary to test the sealing of the cooling channels within the cylinder head. Existing sealing tests typically involve immersing the cooling channels in a reservoir and then introducing air to check for air bubbles. After the test, moisture remains on the outer walls of the cooling channels; if not cleaned promptly, this residual moisture can corrode the channels. Utility Model Content

[0003] The technical problem that this solution addresses is:

[0004] (1) How to solve the problem that after the cooling water channel is put into the water storage tank to test its sealing performance, there is moisture on its outer wall. If it is not cleaned in time, the residual moisture will easily cause corrosion of the cooling water channel.

[0005] The purpose of this utility model can be achieved through the following technical solution: a powertrain cylinder head cooling water channel sealing test device, including a water storage tank, a mounting plate fixedly connected to the top of the water storage tank, a longitudinally arranged lifting cylinder fixedly installed on the front of the mounting plate, a partition fixedly installed inside the water storage tank, and a test mechanism for testing the airtightness of the cooling water channel provided on the top of the partition.

[0006] A further technical improvement of this utility model is that: the testing mechanism includes an air blowing pipe fixedly connected to the top of the partition, the air blowing pipe is arranged horizontally, and a rotating groove is provided on the partition on one side of the air blowing pipe. A flip plate is rotatably arranged in the rotating groove through a pin shaft, and a rubber plate for covering the end face of the cooling water channel is fixedly provided at the bottom of one end of the flip plate.

[0007] A further technical improvement of this utility model is that an air pump is fixedly installed on the top of the inner wall of the water storage tank, and the output end of the air pump is connected to an air outlet pipe, the position of the output end of the air outlet pipe corresponding to the position of the input end of the air blowing pipe.

[0008] A further technical improvement of this utility model is that: a flexible hose is connected to the middle of the air outlet pipe, and the output end of the flexible hose is fixedly inserted through the flip plate and the rubber plate; after the sealing performance of the cooling water channel is tested, the extension ends of the electric push rod and the lifting cylinder are controlled to retract to their shortest lengths in sequence, so that the piston is separated from the output end of the air outlet pipe. At this time, the support plate drives the cooling water channel to rise, so that the position of the cooling water channel corresponds to the position of the output end of the air blowing pipe. The airflow output from the air pump is blown out through the air outlet pipe and then enters the air blowing pipe. The airflow blown out through the output end of the air blowing pipe will dry the outer wall of the cooling water channel, accelerating the drying speed of its surface moisture, thereby avoiding the corrosion of the cooling water channel caused by residual moisture.

[0009] A further technical improvement of this utility model is that: a longitudinally arranged electric push rod is fixedly installed at the bottom of the inner wall of the water storage tank, and a piston for blocking the output end of the air outlet pipe is fixedly installed at the extended end of the electric push rod. The piston is located between the air outlet pipe and the air blowing pipe. The extended end of the electric push rod is also movably connected to the end of the flip plate away from the rubber plate through a lever.

[0010] A further technical improvement of this utility model is that: the extended end of the lifting cylinder is fixedly connected to a support plate for supporting the cooling water channel, a sealing plate is fixedly installed on the top surface of the support plate, and the position of the support plate corresponds to the position of the air blowing pipe output end.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In use, after testing the sealing performance of the cooling water channel, the extended ends of the electric push rod and the lifting cylinder are controlled to retract to their shortest lengths, causing the piston to separate from the output end of the air outlet pipe. At this time, the support plate drives the cooling water channel to rise, aligning the position of the cooling water channel with the position of the air outlet pipe. The airflow from the air pump is blown out through the air outlet pipe and then enters the air outlet pipe. The airflow blown out through the output end of the air outlet pipe dries the outer wall of the cooling water channel, accelerating the drying speed of its surface moisture and thus preventing residual moisture from easily causing corrosion of the cooling water channel. Attached Figure Description

[0013] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0014] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the overall structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the testing mechanism of this utility model.

[0017] In the diagram: 1. Testing mechanism; 2. Partition plate; 3. Water tank; 4. Mounting plate; 5. Lifting cylinder; 6. Air pump; 7. Electric push rod; 8. Support plate; 101. Piston; 102. Air outlet pipe; 103. Lever; 104. Flip plate; 105. Rubber plate; 106. Air blowing pipe; 107. Hose. Detailed Implementation

[0018] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] Please see Figures 1-3 As shown, a powertrain cylinder head cooling water channel sealing test device includes a water tank 3, a mounting plate 4 fixedly connected to the top of the water tank 3, a vertically arranged lifting cylinder 5 fixedly mounted on the front of the mounting plate 4, a partition 2 fixedly mounted inside the water tank 3, sufficient clean water injected into the side of the partition 2 near the lifting cylinder 5, and a test mechanism 1 for testing the airtightness of the cooling water channel is provided on the top of the partition 2.

[0020] Please see Figure 2 and Figure 3 As shown, the above-mentioned test mechanism 1 includes an air blowing pipe 106 fixedly connected to the top of the partition 2. The air blowing pipe 106 is arranged horizontally, and a rotating groove is provided on the partition 2 on one side of the air blowing pipe 106. A flip plate 104 is rotatably arranged in the rotating groove through a pin shaft. A rubber plate 105 for covering the end face of the cooling water channel is fixedly arranged at the bottom of one end of the flip plate 104.

[0021] Please see Figure 2 and Figure 3 As shown, an air pump 6 is fixedly installed on the top of the inner wall of the water storage tank 3. The output end of the air pump 6 is connected to an air outlet pipe 102, and the position of the output end of the air outlet pipe 102 corresponds to the position of the input end of the air blowing pipe 106.

[0022] Please see Figure 3As shown, the middle part of the above-mentioned air outlet pipe 102 is connected to a flexible hose 107, and the output end of the flexible hose 107 is fixedly inserted through the flip plate 104 and the rubber plate 105. After the sealing performance of the cooling water channel is tested, the extension ends of the electric push rod 7 and the lifting cylinder 5 are controlled to retract to their shortest lengths in sequence, so that the piston 101 is separated from the output end of the air outlet pipe 102. At this time, the support plate 8 drives the cooling water channel to rise, so that the position of the cooling water channel corresponds to the position of the output end of the air blowing pipe 106. The airflow output from the air pump 6 is blown out through the air outlet pipe 102 and then enters the air blowing pipe 106. The airflow blown out through the output end of the air blowing pipe 106 will dry the outer wall of the cooling water channel, accelerate the drying speed of its surface moisture, and thus avoid the residual moisture from easily causing corrosion of the cooling water channel.

[0023] Please see Figure 2 and Figure 3 As shown, a longitudinally arranged electric push rod 7 is fixedly installed on the bottom of the inner wall of the water storage tank 3. A piston 101 for blocking the output end of the air outlet pipe 102 is fixedly installed on the extended end of the electric push rod 7. The piston 101 is located between the air outlet pipe 102 and the air blowing pipe 106. The extended end of the electric push rod 7 is also movably connected to the end of the flip plate 104 away from the rubber plate 105 through the lever 103.

[0024] Please see Figure 1 and Figure 3 As shown, the extended end of the lifting cylinder 5 is fixedly connected to a support plate 8 for supporting the cooling water channel. A sealing plate is fixedly installed on the top surface of the support plate 8, and the position of the support plate 8 corresponds to the position of the output end of the air blowing pipe 106.

[0025] Working Principle: In use, the cooling water channel is first placed on the sealing plate on top of the support plate 8, blocking one end of the cooling water channel. At this time, the extended ends of the lifting cylinder 5 and the electric push rod 7 are at their shortest lengths. Then, the extended ends of the lifting cylinder 5 and the electric push rod 7 are sequentially extended to their longest lengths, causing most of the cooling water channel to be submerged in clean water, and the piston 101 blocks the output end of the air outlet pipe 102. The electric push rod 7, in conjunction with the lever 103, drives the tilting plate 104 to rotate, causing the rubber plate 105 to block the other end of the cooling water channel. The air pump 6 is then turned on, allowing airflow to be injected into the cooling water channel through the hose 107. The cooling water channel is then observed. The presence of air bubbles around the cooling water channel is used to test its sealing performance. After the sealing performance of the cooling water channel is tested, the extension ends of the electric push rod 7 and the lifting cylinder 5 are controlled to retract to their shortest lengths in sequence, causing the piston 101 to separate from the output end of the air outlet pipe 102. At this time, the support plate 8 drives the cooling water channel to rise, so that the position of the cooling water channel corresponds to the position of the output end of the air blowing pipe 106. The airflow output from the air pump 6 is blown out through the air outlet pipe 102 and then enters the air blowing pipe 106. The airflow blown out through the output end of the air blowing pipe 106 will dry the outer wall of the cooling water channel, accelerating the drying speed of its surface moisture, thereby preventing residual moisture from easily causing corrosion of the cooling water channel.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A powertrain cylinder head cooling water passage sealing test device, comprising a water tank (3), wherein a mounting plate (4) is fixedly connected to the top of the water tank (3), characterized in that: A lifting cylinder (5) is fixedly installed on the front of the mounting plate (4), and a partition (2) is fixedly installed inside the water storage tank (3). A testing mechanism (1) for detecting the airtightness of the cooling water channel is provided on the top of the partition (2).

2. The powertrain cylinder head cooling water passage sealing test device according to claim 1, characterized in that, The testing mechanism (1) includes an air blowing pipe (106) fixedly connected to the top of the partition (2). A rotating groove is provided on the partition (2) on one side of the air blowing pipe (106). A flip plate (104) is rotatably arranged in the rotating groove. A rubber plate (105) for covering the end face of the cooling water channel is fixedly provided at the bottom of one end of the flip plate (104).

3. The powertrain cylinder head cooling water passage sealing test device according to claim 2, characterized in that, An air pump (6) is fixedly installed on the top of the inner wall of the water storage tank (3). The output end of the air pump (6) is connected to an air outlet pipe (102). The position of the output end of the air outlet pipe (102) corresponds to the position of the input end of the air blowing pipe (106).

4. The powertrain cylinder head cooling water passage sealing test device according to claim 3, characterized in that, The middle part of the air outlet pipe (102) is connected to a flexible hose (107), and the output end of the flexible hose (107) is fixedly inserted through the flip plate (104) and the rubber plate (105).

5. The powertrain cylinder head cooling water passage sealing test device according to claim 2, characterized in that, An electric push rod (7) is fixedly installed on the bottom of the inner wall of the water storage tank (3). A piston (101) for blocking the output end of the air outlet pipe (102) is fixedly installed on the extended end of the electric push rod (7). The piston (101) is located between the air outlet pipe (102) and the air blowing pipe (106). The extended end of the electric push rod (7) is also movably connected to the end of the flip plate (104) away from the rubber plate (105) through a lever (103).

6. The powertrain cylinder head cooling water passage sealing test device according to claim 1, characterized in that, The extended end of the lifting cylinder (5) is fixedly connected to a support plate (8) for carrying the cooling water channel. A sealing plate is fixedly installed on the top surface of the support plate (8), and the position of the support plate (8) corresponds to the position of the output end of the air blowing pipe (106).

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