Sealing performance detection device for gearbox of mini-tiller

Abstract

The utility model relates to the technical field of mini-tiller part detection, and discloses a mini-tiller gearbox sealing performance detection device comprising a gearbox body, the gearbox body is provided with two connecting holes, one connecting hole is connected with a first detection assembly used for providing gas and detecting gas pressure, and the other connecting hole is connected with a second detection assembly used for detecting gas pressure. The other connecting hole is connected with a second detection assembly used for detecting gas pressure and releasing gas, the first detection assembly comprises a gas inlet pipe, a first pressure meter used for monitoring the gas pressure at the gas inlet pipe, a first electromagnetic valve and a gas supply machine, and the first pressure meter, the first electromagnetic valve and the gas supply machine are sequentially connected with the gas inlet pipe. One end of the air inlet pipe is connected with the connecting hole, the second detection assembly comprises an air outlet pipe, a second pressure gauge used for monitoring air pressure at the air outlet pipe and a second electromagnetic valve, the second pressure gauge and the second electromagnetic valve are sequentially connected with the air outlet pipe, and one end of the air outlet pipe is connected with the connecting hole. The device is simple to operate and can improve the detection efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of micro-tiller part detection, and particularly relates to a sealing performance detection device for a micro-tiller gearbox. Background Art

[0002] The gearbox is one of the important components of a micro-tiller. The sealing performance directly affects the performance and service life of the micro-tiller. If the gearbox is not tightly sealed, it will cause lubricating oil leakage, thereby affecting the lubrication effect and transmission efficiency of the gearbox.

[0003] When detecting the sealing performance of the gearbox, the traditional method is to connect one end of an air inlet pipe to a compressor and the other end to the gearbox, and then place the gearbox in water. The air inlet pipe is used to inject air into the gearbox through the compressor to check if there is air leakage. However, after the detection is completed, the gearbox needs to be taken out of the water and placed at a designated position to drain the water. After the gearbox is drained and dried, the next operation can be carried out. The operation is relatively cumbersome and the detection efficiency is low. Summary of the Utility Model

[0004] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a sealing performance detection device for a micro-tiller gearbox, which has simple operation and can improve the detection efficiency.

[0005] The technical solution adopted by the utility model is as follows: A sealing performance detection device for a micro-tiller gearbox includes a gearbox body. The gearbox body is provided with two connection holes. One of the connection holes is connected to a first detection component for providing gas and detecting gas pressure, and the other connection hole is connected to a second detection component for detecting gas pressure and releasing gas. The first detection component and the second detection component cooperate to detect the sealing performance of the gearbox body.

[0006] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0007] The first detection component of the utility model can provide gas into the gearbox body. The first detection component and the second detection component cooperate to simultaneously detect the gas pressures at two different locations of the gearbox body after the gas is filled, so as to complete the detection of the sealing performance of the gearbox body. After the detection is completed, the second detection component can release the gas in the gearbox body. Removing the first detection component and the second detection component can complete one detection. The operation is simple and fast, and the detection efficiency can be improved.

[0008] As a preferred embodiment of the utility model, the first detection component includes an air inlet pipe, a first pressure gauge for monitoring the gas pressure at the air inlet pipe, a first solenoid valve for controlling the flow of the air inlet pipe, and a gas supply machine for providing gas. The first pressure gauge, the first solenoid valve, and the gas supply machine are sequentially connected to the air inlet pipe, and one end of the air inlet pipe is connected to the connection hole.

[0009] As a preferred embodiment of the present utility model, the second detection component includes an air outlet pipe, a second pressure gauge for monitoring the gas pressure at the air outlet pipe, and a second electromagnetic valve for controlling the flow of the air outlet pipe. The second pressure gauge and the second electromagnetic valve are sequentially connected to the air outlet pipe, and one end of the air outlet pipe is connected to the connection hole.

[0010] As a preferred embodiment of the present utility model, the two connection holes are respectively located on a pair of opposite sides of the transmission body.

[0011] Beneficial effects: The two connection holes are respectively located on a pair of opposite sides of the transmission body, which can make the two connection holes as far apart as possible, so as to monitor the gas pressures at two relatively far - apart positions of the transmission body, and thus improve the detection effect.

[0012] As a preferred embodiment of the present utility model, a first suction cup that can fit the outer surface of the transmission body is sleeved on one end of the air inlet pipe close to the connection between the air inlet pipe and the transmission body, and a first electromagnet that can be magnetically connected to the transmission body is arranged inside the first suction cup.

[0013] Beneficial effects: The cooperation of the first suction cup and the first electromagnet can ensure the quick connection and disassembly of the air inlet pipe to the transmission body, ensure the sealing performance at the connection between the air inlet pipe and the transmission body, and improve the detection efficiency.

[0014] As a preferred embodiment of the present utility model, a second suction cup that can fit the outer surface of the transmission body is sleeved on one end of the air outlet pipe close to the connection between the air outlet pipe and the transmission body, and a second electromagnet that can be magnetically connected to the transmission body is arranged inside the second suction cup.

[0015] Beneficial effects: The cooperation of the second suction cup and the second electromagnet can ensure the quick connection and disassembly of the air outlet pipe to the transmission body, ensure the sealing performance at the connection between the air outlet pipe and the transmission body, and improve the detection efficiency. Description of the Drawings

[0016] Figure 1 is a schematic diagram of the micro - tiller transmission sealing detection device of the present utility model;

[0017] Figure 2 is a partial structural schematic diagram of the micro - tiller transmission sealing detection device of the present utility model;

[0018] Figure 3 is a partial structural schematic diagram of the micro - tiller transmission sealing detection device from another angle of the present utility model. Detailed Embodiments

[0019] Typical embodiments embodying the features and advantages of the present utility model will be specifically described in the following description. It should be understood that the present utility model can have various variations in different embodiments, all of which do not depart from the scope of the present utility model, and the descriptions and illustrations therein are essentially for illustrative purposes and not for limiting the present utility model.

[0020] In the description of this application, the orientation or positional relationship indicated by terms such as "first", "second", "one side", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the structure referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this application.

[0021] The present utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0022] The reference numerals include: transmission body 1, intake pipe 201, first pressure gauge 202, first solenoid valve 203, gas supply machine 204, outlet pipe 301, second pressure gauge 302, second solenoid valve 303, first suction cup 4, first electromagnet 5.

[0023] As Figures 1-3 shown, a microtiller transmission sealing detection device includes a transmission body 1. The transmission body 1 is provided with two connection holes. In this embodiment, the two connection holes are respectively located on a pair of opposite sides of the transmission body 1. One of the connection holes is connected to a first detection component for providing gas and detecting gas pressure, and the other connection hole is connected to a second detection component for detecting gas pressure and releasing gas. The first detection component and the second detection component cooperate to detect the sealing performance of the transmission body 1.

[0024] In this embodiment, the connection holes are selected as the holes on the transmission body itself, such as ventilation holes and oil holes.

[0025] As Figure 1 shown, the first detection component includes an intake pipe 201, a first pressure gauge 202 for monitoring the gas pressure at the intake pipe 201, a first solenoid valve 203 for controlling the flow of the intake pipe 201, and a gas supply machine 204 for providing gas. The first pressure gauge 202, the first solenoid valve 203, and the gas supply machine 204 are sequentially connected to the intake pipe 201, and one end of the intake pipe 201 is connected to the connection hole.

[0026] As Figures 2-3 shown, a first suction cup 4 that can fit with the outer surface of the transmission body 1 is sleeved on one end of the intake pipe 201 close to the connection between the intake pipe 201 and the transmission body 1. A first electromagnet 5 that can be magnetically connected to the transmission body 1 is provided inside the first suction cup 4. The first electromagnet 5 is connected to a power supply through a wire.

[0027] In this embodiment, the first suction cup 4 is umbrella-shaped. One end of the first suction cup 4 is hermetically connected to the intake pipe 201, and a first electromagnet 5 is provided inside the other end. When one end of the intake pipe 201 extends into the transmission body, the first electromagnet 5 fits against the outer surface of the transmission body, the outer edge of the first suction cup 4 fits against the outer surface of the transmission body, and after the first electromagnet 5 is powered on, the first electromagnet 5 is magnetically connected to the outer surface of the transmission body.

[0028] In this embodiment, the outer edge of the first suction cup 4 can have magnetism and can be weakly magnetically connected to the transmission body 1. The weak magnetic connection can facilitate the operator to easily and quickly remove the first suction cup 4.

[0029] In this embodiment, the gas supply machine 204 can be a compressor or a cylinder.

[0030] As Figure 1 shown, the second detection component includes an air outlet pipe 301, a second pressure gauge 302 for monitoring the gas pressure at the air outlet pipe 301, and a second solenoid valve 303 for controlling the flow of the air outlet pipe 301. The second pressure gauge 302 and the second solenoid valve 303 are sequentially connected to the air outlet pipe 301. One end of the air outlet pipe 301 is connected to the connection hole, and the other end is communicated with the atmospheric environment.

[0031] A second suction cup that can fit against the outer surface of the transmission body 1 is sleeved on one end of the air outlet pipe 301 close to the connection between the air outlet pipe 301 and the transmission body 1. A second electromagnet that can be magnetically connected to the transmission body 1 is provided inside the second suction cup, and the second electromagnet is connected to the power supply through a wire.

[0032] In this embodiment, the second suction cup and the first suction cup 4 have the same structure. The outer edge of the second suction cup also has magnetism and can be weakly magnetically connected to the transmission body 1. The second electromagnet and the first electromagnet 5 have the same structure.

[0033] This embodiment can directly read the gas pressure values at two different places of the transmission body through the first pressure gauge 202 and the second pressure gauge 302. By judging the magnitudes of the two pressure values, it is possible to quickly know the sealing performance of the transmission body. When detecting the sealing performance of the traditional transmission body, it is also necessary for people to visually check whether there are bubbles generated, which increases the detection workload.

[0034] Principle and operation steps:

[0035] One end of the intake pipe 201 extends into the transmission body 1 through a connection hole. The first electromagnet 5 is attached to the outer surface of the transmission body 1. At the same time, the outer edge of the first suction cup 4 is attached to the outer surface of the transmission body 1. Since the outer edge of the first suction cup 4 has magnetism, the first suction cup 4 is weakly magnetically connected to the transmission body 1. One end of the outlet pipe 301 extends into the transmission body 1 through another connection hole. The second electromagnet is attached to the outer surface of the transmission body 1. At the same time, the outer edge of the second suction cup is attached to the outer surface of the transmission body 1. Since the outer edge of the second suction cup also has magnetism, the second suction cup is weakly magnetically connected to the transmission body 1. Then, the first electromagnet 5 and the second electromagnet are energized simultaneously, so that the first electromagnet 5 and the second electromagnet are magnetically connected to the transmission body 1 respectively;

[0036] The first solenoid valve 203 is opened, and the second solenoid valve 303 is closed. The gas supply machine 204 fills the intake pipe 201 with gas, and the gas is filled into the transmission body 1 through the intake pipe 201. After the gas filling is completed, the first solenoid valve 203 is closed, and at the same time, the gas supply machine 204 stops supplying gas. The first gas pressure value monitored by the first pressure gauge 202 and the second gas pressure value monitored by the second pressure gauge 302 are read. When the first gas pressure value is equal to the second gas pressure value, it indicates that the transmission body 1 has good airtightness. When the difference between the first gas pressure value and the second gas pressure value is large, it indicates that the transmission body 1 has poor airtightness;

[0037] The second solenoid valve 303 is opened, and the gas in the transmission body 1 is released through the outlet pipe 301 and the second solenoid valve 303. The power is turned off, and the first electromagnet 5 and the second electromagnet are disconnected from the transmission body 1 respectively. The intake pipe 201 and the outlet pipe 301 are removed from the transmission body 1, and the airtightness detection of the transmission body 1 is completed.

[0038] The above embodiments are only the preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention belong to the scope of protection required by the present invention.

Claims

1. A sealing detection device for a micro-tiller gearbox, comprising a gearbox body, characterized in that: The transmission body is provided with two connecting holes. One of the connecting holes is connected to a first detection component for supplying gas and detecting gas pressure, and the other connecting hole is connected to a second detection component for detecting gas pressure and releasing gas. The first detection component and the second detection component cooperate to detect the sealing performance of the transmission body.

2. The micro-tiller gearbox sealing detection device according to claim 1, characterized in that: The first detection component includes an intake pipe, a first pressure gauge for monitoring the gas pressure at the intake pipe, a first electromagnetic valve for controlling the flow of the intake pipe, and a gas supply machine for supplying gas. The first pressure gauge, the first electromagnetic valve, and the gas supply machine are sequentially connected to the intake pipe, and one end of the intake pipe is connected to the connecting hole.

3. The micro-tiller gearbox sealing detection device according to claim 1, characterized in that: The second detection component includes an exhaust pipe, a second pressure gauge for monitoring the gas pressure at the exhaust pipe, and a second electromagnetic valve for controlling the flow of the exhaust pipe. The second pressure gauge and the second electromagnetic valve are sequentially connected to the exhaust pipe, and one end of the exhaust pipe is connected to the connecting hole.

4. The micro-tiller gearbox sealing performance detection device according to claim 1, wherein: The two connecting holes are respectively located on a pair of opposite sides of the transmission body.

5. The micro-tiller gearbox sealing detection device according to claim 2, characterized in that: A first suction cup that can fit with the outer surface of the transmission body is sleeved on one end of the intake pipe close to the connection between the intake pipe and the transmission body. A first electromagnet that can be magnetically connected to the transmission body is arranged inside the first suction cup.

6. The microtiller gearbox sealing detection device according to claim 3, characterized in that: A second suction cup that can fit with the outer surface of the transmission body is sleeved on one end of the exhaust pipe close to the connection between the exhaust pipe and the transmission body. A second electromagnet that can be magnetically connected to the transmission body is arranged inside the second suction cup.

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