CN223597102U - A power take-off air tightness testing fixture - Google Patents
A power take-off air tightness testing fixtureInfo
- Publication number
- CN223597102U CN223597102U CN202422331340.4U CN202422331340U CN223597102U CN 223597102 U CN223597102 U CN 223597102U CN 202422331340 U CN202422331340 U CN 202422331340U CN 223597102 U CN223597102 U CN 223597102U
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- fixed
- air
- ring
- electric telescopic
- connecting plate
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Abstract
本实用新型公开了一种取力器气密性检测工装，涉及气密性检测技术领域，包括支架和密封组件；支架：左侧安装有PLC控制器，所述支架内部的上侧安装有第一电动伸缩杆；密封组件：包含连接板、固定架、锥形管、密封环、气囊和连接桶，所述第一电动伸缩杆的伸缩臂上固定有连接板，所述连接板的下侧固定有固定架，所述固定架的下侧固定有锥形管，所述锥形管的下端固定有密封环，所述密封环的内部开设有环形槽，所述环形槽的内部固定有气囊，所述密封环的圆周面上固定有连接桶，所述连接板的下侧安装有注气组件，所述连接桶的表面安装有检测组件，能够快速检测取力器的气密性。
This utility model discloses a power take-off (PTO) airtightness testing fixture, relating to the field of airtightness testing technology, including a bracket and a sealing assembly; the bracket has a PLC controller mounted on its left side, and a first electric telescopic rod mounted on the upper side inside the bracket; the sealing assembly includes a connecting plate, a fixing frame, a tapered tube, a sealing ring, an air bladder, and a connecting barrel. A connecting plate is fixed to the telescopic arm of the first electric telescopic rod, a fixing frame is fixed to the lower side of the connecting plate, a tapered tube is fixed to the lower side of the fixing frame, a sealing ring is fixed to the lower end of the tapered tube, an annular groove is formed inside the sealing ring, an air bladder is fixed inside the annular groove, a connecting barrel is fixed to the circumferential surface of the sealing ring, an air injection assembly is mounted on the lower side of the connecting plate, and a testing assembly is mounted on the surface of the connecting barrel, enabling rapid testing of the airtightness of the PTO.
Description
Technical Field
The utility model relates to the technical field of air tightness detection, in particular to an air tightness detection tool for a power takeoff.
Background
With the rapid development of economy in China, the requirements of engineering machinery products required by infrastructure are gradually increased, and the power takeoff assembly product is widely applied as an adapting product of engine power output with lower cost and reliable performance. The working principle is that after the gear shaft is assembled with the related components such as the bearing, the shell, the flange and the like, the gear shaft is fixed on the engine to be meshed with the gear of the gear train for power output. Because the bearing bears the load effect and rotates at a high speed, the bearing needs to be lubricated, required lubricating oil enters the inner cavity of the power takeoff from the oil hole at the shaft diameter of the shell, the power takeoff is designed and provided with a sealing element, namely rotating shaft oil seal lubricating oil, the power takeoff is subjected to air tightness detection according to the requirement before delivery, and the air tightness detection is usually carried out by adopting an oil immersion pressurizing leakage detection method, so that the detection efficiency is low and the reliability is low.
Disclosure of utility model
The utility model aims to overcome the existing defects, provides the air tightness detection tool for the power takeoff, can rapidly detect the air tightness of the power takeoff, and can effectively solve the problems in the background art.
In order to achieve the aim, the utility model provides the technical scheme that the air tightness detection tool for the power takeoff comprises a bracket and a sealing assembly;
The left side of the bracket is provided with a PLC controller, and the upper side of the inside of the bracket is provided with a first electric telescopic rod;
The sealing assembly comprises a connecting plate, a fixing frame, a conical tube, a sealing ring, an air bag and a connecting barrel, wherein the connecting plate is fixed on a telescopic arm of the first electric telescopic rod, the fixing frame is fixed on the lower side of the connecting plate, the conical tube is fixed on the lower side of the fixing frame, the sealing ring is fixed at the lower end of the conical tube, an annular groove is formed in the sealing ring, the air bag is fixed in the annular groove, the connecting barrel is fixed on the circumferential surface of the sealing ring, the air injection assembly is arranged on the lower side of the connecting plate, the detection assembly is arranged on the surface of the connecting barrel, and the port of the power takeoff is sealed by arranging the sealing assembly;
The input end of the PLC is electrically connected with the output end of an external power supply, and the output end of the PLC is electrically connected with the input end of the first electric telescopic rod.
Further, the gas injection subassembly contains air pump, outlet duct, connecting pipe and first solenoid valve, the air pump is installed to the downside of connecting plate, be fixed with the outlet duct in the gas outlet of air pump, the lower extreme of outlet duct is fixed in the inside upper end of conical tube, the opening has been seted up on the periphery of outlet duct, the open-ended inside is fixed with the connecting pipe, the lower extreme of connecting pipe is fixed in the inside of the air inlet that the gasbag surface set up, all install first solenoid valve on the periphery of connecting pipe and outlet duct, the output of PLC controller is connected to the input electricity of first solenoid valve, carries out the gas injection to the inner chamber inside of gasbag and power takeoff respectively through setting up the gas injection subassembly.
Further, the detection component comprises a second electric telescopic rod, a connecting ring, a blocking ring and a pressure sensor, two corresponding mounting holes are formed in the upper side of the connecting plate, the second electric telescopic rod is mounted in the mounting holes, the connecting rings are fixed on telescopic arms of the two second electric telescopic rods, the blocking ring is fixed in the connecting ring, the blocking ring is sleeved on the circumferential surface of the connecting barrel, a groove is formed in the blocking ring, the pressure sensor is mounted in the groove, the input end of the second electric telescopic rod is electrically connected with the output end of the PLC, and the pressure sensor is in bidirectional electrical connection with the PLC.
Further, the inside of the gas vent that the gasbag surface set up is fixed with the blast pipe, install the second solenoid valve on the periphery of blast pipe, the output of PLC controller is connected to the input electricity of second solenoid valve, discharges the inside gas of gasbag through setting up the blast pipe.
Further, the internally mounted of blocking ring has the mounting groove, the inside of mounting groove is fixed with the rubber ring, the rubber ring is laminated mutually with the surface of connecting the bucket, can be with blocking ring and connecting the clearance seal between the bucket through setting up the rubber ring.
Further, the mount pad is installed in the left side of support, buzzer siren is installed to the left end of mount pad, the output of PLC controller is connected to buzzer siren's input electricity, can report to the police when power takeoff gas leakage through setting up buzzer siren and remind the user.
Compared with the prior art, the air tightness detection tool for the power takeoff has the beneficial effects that the air tightness detection tool for the power takeoff has the following advantages:
Through setting up seal assembly and sealing the port department of power takeoff, make the inner chamber of power takeoff form a airtight space after the seal, then control and block the ring and wrap up the power takeoff is whole downwards, carry out the gas injection through the outlet duct towards the inner chamber of power takeoff after the parcel, the in-process of gas injection is continuously detected the atmospheric pressure that blocks the ring inside through pressure sensor, whether the change appears in the apparent gas pressure of looking over, can learn whether the power takeoff leaks gas, can short-term test power takeoff's gas tightness under such circumstances.
Drawings
FIG. 1 is a schematic view of the front side structure of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of the gas injection assembly of the present utility model.
In the figure, a support, a 2PLC controller, a 3 first electric telescopic rod, a 4 sealing component, a 41 connecting plate, a 42 fixing frame, a 43 conical pipe, a 44 sealing ring, a 45 air bag, a 46 connecting barrel, a 5 air injection component, a 51 air pump, a 52 air outlet pipe, a 53 connecting pipe, a 54 first electromagnetic valve, a 6 detection component, a 61 second electric telescopic rod, a 62 connecting ring, a 63 blocking ring, a 64 pressure sensor, a 7 exhaust pipe, a 8 second electromagnetic valve, a 9 rubber ring, a 10 mounting seat and an 11 buzzer alarm are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution, which is a power takeoff air tightness detection tool, including a bracket 1 and a sealing assembly 4;
The left side of the bracket 1 is provided with a PLC controller 2, and the upper side of the inside of the bracket 1 is provided with a first electric telescopic rod 3;
Sealing assembly 4: comprises a connecting plate 41, a fixing frame 42, a conical tube 43, a sealing ring 44, an air bag 45 and a connecting barrel 46, wherein the connecting plate 41 is fixed on a telescopic arm of the first electric telescopic rod 3, the fixing frame 42 is fixed on the lower side of the connecting plate 41, the conical tube 43 is fixed on the lower side of the fixing frame 42, the sealing ring 44 is fixed on the lower end of the conical tube 43, an annular groove is formed in the sealing ring 44, the air bag 45 is fixed in the annular groove, the connecting barrel 46 is fixed on the circumferential surface of the sealing ring 44, an air injection component 5 is arranged on the lower side of the connecting plate 41, a detection component 6 is arranged on the surface of the connecting barrel 46, the air injection component 5 comprises an air pump 51, an air outlet pipe 52, a connecting pipe 53 and a first electromagnetic valve 54, the air pump 51 is arranged on the lower side of the connecting plate 41, the air outlet pipe 52 is fixed in an air outlet of the air pump 51, the lower end of the air outlet pipe 52 is fixed on the upper end in the conical tube 43, the circumference of the air outlet pipe 52 is provided with an opening, a connecting pipe 53 is fixed in the opening, the lower end of the connecting pipe 53 is fixed in the air inlet arranged on the surface of the air bag 45, the circumferences of the connecting pipe 53 and the air outlet pipe 52 are respectively provided with a first electromagnetic valve 54, the input end of the first electromagnetic valve 54 is electrically connected with the output end of the PLC controller 2, the detection component 6 comprises a second electric telescopic rod 61, a connecting ring 62, a blocking ring 63 and a pressure sensor 64, the upper side of the connecting plate 41 is provided with two corresponding mounting holes, the second electric telescopic rod 61 is internally provided with the mounting holes, the telescopic arms of the two second electric telescopic rods 61 are fixedly provided with a connecting ring 62, the inside of the connecting ring 62 is fixedly provided with a blocking ring 63, the blocking ring 63 is sleeved on the circumference of the connecting barrel 46, the inside of the blocking ring 63 is provided with a groove, the pressure sensor 64 is arranged in the groove, the input end of the second electric telescopic rod 61 is electrically connected with the output end of the PLC controller 2, the pressure sensor 64 is electrically connected with the PLC controller 2 in a two-way manner, the air tightness of the power takeoff is detected through the arrangement of the detection assembly 6, air is respectively injected into the inner cavities of the air bag 45 and the power takeoff through the arrangement of the air injection assembly 5, and the port of the power takeoff is sealed through the arrangement of the sealing assembly 4;
The input end of the PLC 2 is electrically connected with the output end of an external power supply, and the output end of the PLC 2 is electrically connected with the input end of the first electric telescopic rod 3.
Wherein, the exhaust pipe 7 is fixed in the exhaust port arranged on the surface of the air bag 45, the second electromagnetic valve 8 is arranged on the circumferential surface of the exhaust pipe 7, the input end of the second electromagnetic valve 8 is electrically connected with the output end of the PLC 2, and the air in the air bag 45 is exhausted by arranging the exhaust pipe 7.
Wherein, the inside of the blocking ring 63 is provided with a mounting groove, the inside of the mounting groove is fixedly provided with a rubber ring 9, the rubber ring 9 is attached to the surface of the connecting barrel 46, and the gap between the blocking ring 63 and the connecting barrel 46 can be sealed by arranging the rubber ring 9.
The left side of the bracket 1 is provided with a mounting seat 10, the left end of the mounting seat 10 is provided with a buzzer alarm 11, the input end of the buzzer alarm 11 is electrically connected with the output end of the PLC 2, and a user can be warned when the power takeoff leaks air by arranging the buzzer alarm 11.
The utility model provides a working principle of a power takeoff air tightness detection tool, which comprises the following steps: firstly placing the power take-off on the lower side of the inside of the bracket 1, then starting the first electric telescopic rod 3 to enable the connecting plate 41 to move downwards, enabling the connecting plate 41 to move downwards to enable the conical tube 43 to move downwards, enabling the conical tube 43 to move downwards and enabling the sealing ring 44 to be sleeved at the port of the power take-off downwards, then opening the first electromagnetic valve 54 on the lower side, simultaneously starting the air pump 51 to inject air into the air bag 45 to enable the air pump to bulge, sealing the port of the power take-off after the air bag 45 bulges, enabling the inner cavity of the power take-off to form a closed space after sealing, then starting the two second electric telescopic rods 61 to enable the connecting ring 62 to move downwards, enabling the connecting ring 62 to drive the blocking ring 63 to be attached downwards to the lower side of the inside of the bracket 1, and after attaching, packaging the power take-off integrally inside the power take-off, after wrapping, the first electromagnetic valve 54 at the lower side is closed, then the first electromagnetic valve 54 at the upper side is opened, the air pump 51 is controlled again to work at the same time, compressed air is injected into the inner cavity of the power takeoff through the air outlet pipe 52, the air pressure inside the blocking ring 63 is continuously detected through the pressure sensor 64 in the air injection process, whether the air pressure of the power takeoff is changed or not is checked, whether the power takeoff leaks air can be known, if the air pressure is changed, the PLC controller 2 can control the buzzer alarm 11 to work so as to remind a user of the air leakage of the power takeoff, the air tightness of the power takeoff can be detected rapidly under the condition, the second electromagnetic valve 8 is opened after detection, the air inside the air bag 45 is exhausted through the air outlet pipe 7, the air exhaust is controlled to shrink the first electric telescopic rod 3, the sealing ring 44 is far away from the power takeoff, and then the power takeoff can be taken out.
It should be noted that, the specific model of the PLC controller 2 disclosed in the above embodiment is siemens S7-200, the first electric telescopic rod 3 and the second electric telescopic rod 61 may be TGC-A high-thrust electric telescopic rods, the air pump 51 may be A12 v small-sized air pump, the first electromagnetic valve 54 and the second electromagnetic valve 8 may be VP3185-205dA1-X81 electromagnetic valves, the buzzer alarm 11 may be AYBOM buzzer, the pressure sensor 64 may be DP-101 pressure sensor, and the PLC controller 2 controls the operation of the first electric telescopic rod 3, the second electric telescopic rod 61, the air pump 51, the first electromagnetic valve 54, the second electromagnetic valve 8 and the buzzer alarm 11 by methods commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422331340.4U CN223597102U (en) | 2024-09-24 | 2024-09-24 | A power take-off air tightness testing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422331340.4U CN223597102U (en) | 2024-09-24 | 2024-09-24 | A power take-off air tightness testing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223597102U true CN223597102U (en) | 2025-11-25 |
Family
ID=97742601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422331340.4U Active CN223597102U (en) | 2024-09-24 | 2024-09-24 | A power take-off air tightness testing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223597102U (en) |
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2024
- 2024-09-24 CN CN202422331340.4U patent/CN223597102U/en active Active
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