Motor housing oil channel inner cavity cleaning device

Abstract

The utility model discloses a cleaning device for the inner cavity of an oil passage of a motor housing, comprising a gun body, an air passage in the gun body, a shot blasting bin installed on the gun body, and a feeding channel in the shot blasting bin and the gun body, a rotating chamber in the feeding channel, a rotating rod in rotation in the rotating chamber, a drum for blocking the feeding channel connected to the rotating rod, a notch corresponding to the shot blasting outside the drum, and the shot blasting can be dropped when the drum is driven to rotate by an external force. The utility model can block the feeding channel under normal conditions by arranging a feeding drum in the feeding channel, and can realize feeding by rotating the drum in the working state, which is conducive to controlling the feeding frequency.

Description

Technical Field

[0001] The utility model belongs to the technical field of inner cavity cleaning devices, in particular to an inner cavity cleaning device for an oil channel of a motor housing. Background Art

[0002] The motor housing is a marine star-shaped seven-cylinder engine housing. The oil channel holes require multiple hot cores to be assembled onto the cold core and then the cores are lowered uniformly. It is necessary to ensure that there is no sand sticking to the oil channel holes. Due to the special structure, waste steel cables were used to connect pistol drills, which had low cleaning efficiency and there was a problem of residual steel cable wire during the cleaning process.

[0003] In order to solve the above problems, the prior art generally uses a shot blasting (6) gun to clean the inner cavity of the motor housing oil channel, and uses gas to assist in ejecting the shot blasting (6) to achieve sand removal. However, since the discharge channel between the shot blasting (6) bin and the air channel is normally open, the shot blasting (6) is easy to fall out when not in operation, and the discharge frequency in the working state is difficult to control. Utility Model Content

[0004] The utility model aims at solving the problems existing in the prior art and proposes the following technical solutions:

[0005] A device for cleaning the inner cavity of an oil passage of a motor housing comprises a gun body, wherein the gun body has an air passage, a shot blasting bin is mounted on the gun body, and the shot blasting bin and the gun body have a feeding channel, the feeding channel has a rotating chamber, a rotating rod is rotatably connected to the rotating chamber, a rotating drum for blocking the feeding channel is connected to the outside of the rotating rod, the outside of the rotating drum has a notch corresponding to the shot blasting, and the shot blasting can be dropped when the rotating drum is driven to rotate by an external force.

[0006] By arranging a material discharging drum in the material discharging channel, the material discharging channel can be blocked under normal conditions, and material discharging can be achieved by utilizing the rotation of the drum under working conditions, which is beneficial to controlling the material discharging frequency.

[0007] As a preferred embodiment of the above technical solution, an output motor is installed on the connecting member, and the output end of the output motor is connected to the rotating rod.

[0008] By starting the output motor, the rotation speed of the drum can be driven and controlled. By starting the output motor, the rotation speed of the drum can be driven and controlled.

[0009] As a preferred embodiment of the above technical solution, a rotating shaft is rotatably connected in the airway, a turbine is externally connected to the rotating shaft, the rotating rod and the rotating shaft are connected by a chain transmission structure, and the chain transmission structure includes two sprockets and a chain connected between the two sprockets.

[0010] When the gas flows through the airway, it can drive the turbine to rotate. No external power source is required. The turbine is used to drive the rotating rod to rotate, saving energy efficiency. The feeding frequency of the drum can be controlled by simply changing the ratio between the two sprockets.

[0011] As a preferred embodiment of the above technical solution, the output end of the airway is connected to a hose.

[0012] The hose can be inserted into the oil channel to adapt to the tortuous oil channel.

[0013] As a preferred embodiment of the above technical solution, a control valve is installed on the gun body, and a valve flap of the control valve is inserted into the airway to block the airway.

[0014] The control valve can be a stop valve, and the passage of the airway can be controlled by opening and closing the control valve.

[0015] The beneficial effects of the utility model are:

[0016] In the present application, by arranging a material discharge drum in the material discharge channel, the material discharge channel can be blocked under normal conditions, and material discharge can be achieved by utilizing the rotation of the drum in the working state, which is beneficial to controlling the material discharge frequency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The schematic diagram of the structure in the front view state provided by the embodiment of the utility model is shown;

[0018] Figure 2 A schematic diagram of the structure in a rear-view state provided by an embodiment of the utility model is shown.

[0019] Legend:

[0020] 1. Shot blasting chamber; 2. Connecting parts; 3. Feeding channel; 4. Rotating rod; 5. Rotating drum; 6. Shot blasting; 7. Airway; 8. Hose; 9. Rotating shaft; 10. Turbine; 11. Gun body; 12. Chain transmission structure. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0022] The present application provides a shot blasting gun. In view of the fact that the shots 6 are easy to fall out of the feeding channel in the non-working state and the feeding frequency is difficult to control in the working state, a feeding drum 5 is arranged in the feeding channel 3, so that the feeding channel 3 can be blocked under normal conditions, and the feeding can be achieved by the rotation of the drum 5 in the working state, which is conducive to controlling the feeding frequency.

[0023] Figure 1The motor housing oil channel inner cavity cleaning device is shown, including a gun body 11, the gun body 11 has an air channel 7, a shot blasting bin 1 is arranged on the gun body 11, and a connecting piece 2 is connected between the shot blasting bin 1 and the gun body 11, and a feeding channel 3 is arranged in the connecting piece 2, the gun body 11 is connected with the shot blasting bin 1 through the feeding channel 3, and the shot blasting 6 in the shot blasting bin 1 falls into the air channel 7 of the gun body 11 through the feeding channel 3 to realize feeding, and a rotating cavity is arranged in the feeding channel 3, and a rotating rod 4 is rotatably connected in the rotating cavity, and a rotating drum 5 is connected to the outside of the rotating rod 4, and a notch corresponding to the shot blasting 6 is arranged on the outside of the rotating drum 5, and the shot blasting 6 can be dropped when the rotating drum 5 is driven to rotate by an external force, so that the shot blasting The shot 6 enters the air passage 7, and the rotation speed of the drum 5 is controlled, so that the ejection rate of the shot blasting 6 can be controlled. An output motor (not shown in the figure) is installed on the connecting member 2, and the output end of the output motor is connected to the rotating rod 4. When the output motor is started, the rotation speed of the drum 5 can be driven and controlled; the input end of the air passage 7 is connected to an external air source to provide power for the shot blasting gun 6. A control valve is installed on the gun body 11, and the output end of the control valve is inserted into the air passage 7 and blocks the air passage 7. The control valve can be a stop valve, and the penetration of the air passage 7 can be controlled by opening and closing the control valve; the output end of the air passage 7 is connected to a hose 8; the hose 8 can be inserted into the oil passage to adapt to the tortuous oil passage.

[0024] A rotating shaft 9 is rotatably connected inside the airway 7, and a turbine 10 is connected outside the rotating shaft 9. The rotating rod 4 is connected to the rotating shaft 9 by a chain transmission structure 12. The chain transmission structure 12 includes two sprockets and a chain connected between the two sprockets. When the gas flows through the airway 7, the turbine 10 can be driven to rotate. No external power source is required. The turbine 10 is used to drive the rotating rod 4 to rotate, which saves energy efficiency. The material discharge frequency of the drum 5 can be controlled by simply changing the ratio between the two sprockets.

[0025] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A motor housing oil channel inner cavity cleaning device, comprising a gun body (11), wherein the gun body (11) has an air channel (7), a shot blasting bin (1) is mounted on the gun body (11), and the shot blasting bin (1) and the gun body (11) have a material discharge channel (3), characterized in that: The material discharge channel (3) has a rotating chamber in it, a rotating rod (4) is rotatably connected in the rotating chamber, a rotating drum (5) is externally connected to the rotating rod (4) and blocks the material discharge channel (3), the rotating drum (5) has a notch corresponding to the shot (6) on the outside, and the shot (6) can be dropped when the rotating drum (5) is driven to rotate by an external force.

2. The motor housing oil passage inner cavity cleaning device according to claim 1, characterized in that: An output motor is mounted on the connecting member (2), and an output end of the output motor is connected to the rotating rod (4).

3. The motor housing oil passage inner cavity cleaning device according to claim 1, characterized in that: A rotating shaft (9) is rotatably connected inside the air passage (7), and a turbine (10) is externally connected to the rotating shaft (9). The rotating rod (4) and the rotating shaft (9) are connected via a chain transmission structure (12), and the chain transmission structure (12) comprises two sprockets and a chain connected between the two sprockets.

4. The motor housing oil passage inner cavity cleaning device according to claim 2 or 3, characterized in that: The output end of the air channel (7) is connected to a hose (8).

5. The motor housing oil passage inner cavity cleaning device according to claim 2 or 3, characterized in that: A control valve is mounted on the gun body (11), and a valve flap of the control valve is inserted into the air passage (7) to block the air passage (7).

Images