CN215065122U - Air tightness detection device for reducer casing - Google Patents
Air tightness detection device for reducer casing Download PDFInfo
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- CN215065122U CN215065122U CN202120350229.3U CN202120350229U CN215065122U CN 215065122 U CN215065122 U CN 215065122U CN 202120350229 U CN202120350229 U CN 202120350229U CN 215065122 U CN215065122 U CN 215065122U
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- lifting cylinder
- shell
- piston rod
- reducer shell
- portal frame
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Abstract
The utility model provides a retarder casing gas tightness detection device, comprises a workbench, be provided with the portal frame on the workstation, the portal frame top is provided with vertical cylinder that compresses tightly, the lower extreme that compresses tightly the cylinder piston rod is provided with and compresses tightly and is provided with positioning connection seat and locking device on the workstation of a portal frame below, locking device includes lift cylinder and latch segment, the lift cylinder is installed inside lift cylinder casing, it has first connecting block still to articulate on the latch segment, first connecting block passes through the articulated and lift cylinder casing rigid coupling of second connecting block, positioning connection seat top is provided with for shutoff retarder casing bottom open-ended lower seal end cap, locking device locks retarder casing and locking base, retarder casing's is guaranteed to seal, it is more accurate to make the detection.
Description
Technical Field
The utility model belongs to retarder housing gas tightness detection area, in particular to retarder housing gas tightness detection device.
Background
In modern industrial-grade products, the sealing performance of the sealing part is one of the important factors affecting the quality of the product. The shell of the speed reducer is a casting part, and casting defects such as air holes and sand holes are likely to exist, so that the air tightness inspection of the shell of the speed reducer is an essential link in the production process of the shell of the speed reducer. The air tightness detection method for the shell of the speed reducer has the problems that the traditional wet method is lagged behind, the helium detection cost is too high, the batch detection of the shell of the speed reducer cannot be used, and air leakage is easy to generate in the detection process. With the development of sensor technology, measurement based on pressure change as a basic principle is more and more widely applied to industrial production, and the sensor is very suitable for being arranged on workshops and automatic production lines due to the fact that the sensor is simple to use, high in automation degree, low in relative cost, high in speed and high in precision.
Disclosure of Invention
An object of the utility model is to provide a retarder casing gas tightness detection device, solve and take place gas leakage easily and lead to detecting coarse problem in carrying out the gas tightness testing process.
The utility model aims at adopting the following technical scheme to realize. The foundation the utility model provides a reductor body gas tightness detection device, comprises a workbench, be provided with the portal frame on the workstation, the portal frame top is fixed with along vertical direction and compresses tightly the cylinder, and the stretching out that compresses tightly piston rod of the cylinder is served and is provided with and compresses tightly a characterized in that: a positioning connecting seat for placing a reducer shell and a locking device for limiting the reducer shell to be freely separated from the positioning connecting seat are arranged on a workbench below the portal frame, an annular lower sealing end cover for plugging an opening in the bottom of the reducer shell is arranged on the positioning connecting seat, and an upper sealing end cover for plugging an opening in the top of the reducer shell is connected to the pressing piece; an air channel is processed in the positioning connecting seat, the air channel is communicated with the inner cavity of the speed reducer shell through a lower sealing end cover, and the air channel is connected with an air pump through a pipeline; the locking device comprises a lifting cylinder and a locking block hinged with a lifting cylinder piston rod, the locking block can be used for tightly pressing the speed reducer shell under the driving of the piston rod to fix the speed reducer shell on the positioning connecting seat, the lifting cylinder is installed inside the lifting cylinder shell, the bottom of the lifting cylinder shell is fixedly connected with the workbench, the top of the lifting cylinder shell is provided with a mounting hole for the lifting cylinder piston rod to pass through, the locking block is further hinged with a first connecting block, one end, far away from the locking block, of the first connecting block is hinged with a second connecting block, and the bottom of the second connecting block is fixedly connected with the lifting cylinder shell.
Furthermore, the bottom of one end of the locking block, which is far away from the piston rod of the lifting cylinder, is provided with a step.
Further, a pressure sensor for detecting the pressure in the gas channel is arranged on the gas channel.
Borrow by above-mentioned technical scheme, the utility model has the advantages that: the locating connection seat top is provided with for shutoff retarder casing bottom open-ended lower end cover, and the retarder casing top is provided with for shutoff retarder casing open-ended upper end cover, and locking device locks retarder casing and locking base, has guaranteed retarder casing's sealing, makes to detect more accurately.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the airtight testing device for the reducer casing according to the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic structural diagram of the device for detecting the airtightness of the casing of the speed reducer of the present invention.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
[ reference numerals ]
1-a workbench, 2-a portal frame, 3-a compaction cylinder, 4-a compaction piece, 5-a positioning connecting seat, 6-a lower sealing end cover, 7-an upper sealing end cover, 8-a gas channel, 9-a reducer shell, 10-a lifting cylinder shell, 11-a lifting cylinder shell piston rod, 12-a locking block, 13-a first connecting block, 14-a second connecting block and 15-a step.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the objectives of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of the present invention for a device for detecting the airtightness of a reducer case, its specific embodiments, structures, features and effects.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1 and 2, the air tightness detection device for the reducer shell comprises a workbench 1, wherein a portal frame 2 is arranged on the workbench 1, a vertical compression cylinder 3 is arranged at the top of the portal frame 2, and the compression cylinder 3 is fixed on the portal frame 2 through a bolt; a pressing piece 4 for pressing the reducer shell 9 is arranged at the end part of the piston rod of the pressing cylinder 3, and an upper sealing end cover 7 for plugging an opening at the top of the reducer shell 19 is arranged below the pressing piece 4; a positioning connecting seat 5 corresponding to the position of the pressing cylinder 3 is arranged on the workbench 1 below the portal frame 2, a lower sealing end cover 6 for plugging an opening at the bottom of the reducer shell 9 is arranged at the top of the positioning connecting seat 5, and an upper sealing end cover 7 and the lower sealing end cover 6 are both arranged in an annular shape; an air passage 8 is processed in the positioning connecting seat 5, the air passage 8 is communicated with the inner cavity of the speed reducer shell 9 through a lower sealing end cover 6, the air passage 8 is connected with an air pump through a pipeline, and a pressure sensor for detecting the internal pressure of the air passage 8 is arranged on the air passage 8.
The workbench 1 is also provided with at least one locking device for locking the reducer shell 9 and the positioning connecting seat 5, the locking device comprises a lifting cylinder, the lifting cylinder is fixedly arranged inside a lifting cylinder shell 10, and the lifting cylinder shell 10 is fixedly arranged on the workbench 1 through bolts; the top of the lifting cylinder shell 10 is provided with a mounting hole, a lifting cylinder piston rod 11 extends out of the lifting cylinder shell 10 through the mounting hole, and the top of the lifting cylinder piston rod 11 is hinged with one end of a locking block 12; the one end that lift cylinder piston rod 11 was kept away from to latch segment 12 is provided with the step 15 that is used for carrying out the chucking to last end cover 7, and it has first connecting block 13 still to articulate on latch segment 12, and the one end that latch segment 12 was kept away from to connecting block 13 is articulated with the fixed second connecting block 14 that sets up on lift cylinder housing 10.
The working principle of the utility model is as follows:
the bottom of the reducer shell 9 is connected to the lower sealing end cover 6, and the top of the reducer shell is covered by the upper sealing end cover 7, so that the sealing of the reducer shell 9 is ensured. And starting the pressing cylinder 3, and moving a piston rod of the pressing cylinder downwards to press the pressing piece 4 on the upper sealing end cover 7. Starting a lifting cylinder, enabling a piston rod 11 of the lifting cylinder to move upwards to drive one end, connected with the piston rod 11 of the lifting cylinder, of a locking block 12 to move upwards, enabling one end, provided with a step 15, of the locking block 12 to move downwards under the action of a first connecting block 13, enabling the piston rod 11 of the lifting cylinder to move upwards to the step 15 to clamp the bottom of a reducer shell 9, closing the lifting cylinder, and enabling the locking block 12 to lock the reducer shell 9 on a positioning connecting seat 5; and starting an air pump connected with the detection air block 8 through a pipeline to inflate the sealed speed reducer shell 9 until the internal air pressure reaches 402Pa, closing the air pump, observing the pressure sensor, wherein the air pressure in the speed reducer shell 9 does not change within one minute, which indicates that the air tightness of the speed reducer shell 9 is good, and the air pressure in the speed reducer shell 9 changes within one minute, which indicates that the air tightness of the speed reducer shell 9 is not good.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.
Claims (3)
1. The utility model provides a retarder casing gas tightness detection device, includes the workstation, be provided with the portal frame on the workstation, the portal frame top is fixed with along vertical direction and compresses tightly the cylinder, compresses tightly the stretching out of cylinder piston rod and serves and be provided with and compress tightly a characterized in that: a positioning connecting seat for placing a reducer shell and a locking device for limiting the reducer shell to be freely separated from the positioning connecting seat are arranged on a workbench below the portal frame, an annular lower sealing end cover for plugging an opening in the bottom of the reducer shell is arranged on the positioning connecting seat, and an upper sealing end cover for plugging an opening in the top of the reducer shell is connected to the pressing piece; an air channel is processed in the positioning connecting seat, the air channel is communicated with the inner cavity of the speed reducer shell through a lower sealing end cover, and the air channel is connected with an air pump through a pipeline; the locking device comprises a lifting cylinder and a locking block hinged with a lifting cylinder piston rod, the locking block can be used for tightly pressing the speed reducer shell under the driving of the piston rod to fix the speed reducer shell on the positioning connecting seat, the lifting cylinder is installed inside the lifting cylinder shell, the bottom of the lifting cylinder shell is fixedly connected with the workbench, the top of the lifting cylinder shell is provided with a mounting hole for the lifting cylinder piston rod to pass through, the locking block is further hinged with a first connecting block, one end, far away from the locking block, of the first connecting block is hinged with a second connecting block, and the bottom of the second connecting block is fixedly connected with the lifting cylinder shell.
2. The airtightness detection apparatus for a decelerator housing according to claim 1, wherein: the bottom of the end, far away from the piston rod of the lifting cylinder, of the locking block is provided with a step.
3. The airtightness detection apparatus for a decelerator housing according to claim 1, wherein: the gas channel is provided with a pressure sensor for detecting the pressure in the gas channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350229.3U CN215065122U (en) | 2021-02-05 | 2021-02-05 | Air tightness detection device for reducer casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350229.3U CN215065122U (en) | 2021-02-05 | 2021-02-05 | Air tightness detection device for reducer casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215065122U true CN215065122U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120350229.3U Active CN215065122U (en) | 2021-02-05 | 2021-02-05 | Air tightness detection device for reducer casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215065122U (en) |
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2021
- 2021-02-05 CN CN202120350229.3U patent/CN215065122U/en active Active
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