CN210603748U - Shaft product oil hole plug sealing performance detection device - Google Patents
Shaft product oil hole plug sealing performance detection device Download PDFInfo
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- CN210603748U CN210603748U CN201921660556.8U CN201921660556U CN210603748U CN 210603748 U CN210603748 U CN 210603748U CN 201921660556 U CN201921660556 U CN 201921660556U CN 210603748 U CN210603748 U CN 210603748U
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- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 230000008676 import Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the field of sealing detection tools, in particular to a device for detecting the sealing performance of an oil hole plug of a shaft product, which comprises a bottom plate, wherein the bottom plate is provided with two supporting vertical plates and a positioning seat, the positioning seat is provided with a positioning hole, the positioning hole is provided with a rubber pad, the upper ends of the two supporting vertical plates are fixedly connected with an upper end plate, the upper end of the upper end plate is provided with a cylinder, the lower end surface is fixedly connected with a guide cylinder, the guide cylinder is internally matched with a pressing block in a sliding way, a piston rod of the cylinder is fixedly connected with the pressing block, the pressing block is internally provided with an air passage, the inlet of the air passage is provided with a gas pipe joint, the outlet of the air passage is positioned at the lower end of the pressing block, the mouth end of the outlet is provided with a groove, the pressing block tightly presses one end of, the problem of shaft hole oil leakage behind the product installation has effectively been avoided, has promoted product quality and detection efficiency, has reduced the detection cost.
Description
Technical Field
The utility model relates to a sealed field of examining, concretely relates to axle type product oilhole end cap leakproofness detection device.
Background
Generally, after an oil hole of a shaft product is drilled, one end of a main hole is pressed and plugged by a plug for sealing, so that oil entering the main hole can flow out of a small radial oil hole to lubricate a moving part assembled on a shaft, the sealing performance of the main hole plug of the conventional shaft product is generally detected by matching a sealing device and an air pressure gauge, the sealing device is formed by connecting two parts in a matching way through threads, sealing rings are respectively arranged in each part of the sealing device, the whole product is completely placed into a sealing barrel during detection, the two parts of the sealing device are screwed through the threads, the two ends of the main hole of the product are sealed by the sealing rings, then rated air pressure is input into the sealing device, and if the rated air pressure does not change within a certain time, the qualified sealing of the plug is indicated, if the rated air pressure is gradually reduced within a certain time, it indicates that the seal of the plug is not acceptable. The detection mode has the advantages that the detection time for the sealing performance of each plug is long, the detection efficiency is low, and in the repeated assembly and disassembly process, the threads of the sealing device are easily worn and decayed to cause sealing failure, so that the reliability and the detection efficiency of the detection sealing performance of a product are influenced.
Disclosure of Invention
The utility model aims at not enough that prior art corresponds, provide an axle type product oilhole end cap leakproofness detection device, strengthened the reliability that axle type product oilhole end cap leakproofness detected, effectively avoided the problem of product installation back shaft hole oil leak, promoted product quality and detection efficiency, reduced the detection cost.
The utility model aims at adopting the following scheme to realize: a device for detecting the sealing performance of an oil hole plug of a shaft product comprises a bottom plate, wherein two supporting vertical plates are arranged at the upper end of the bottom plate, a positioning seat is positioned between the supporting vertical plates and fixed on the bottom plate, a positioning hole for positioning the lower end of the shaft product to be detected is arranged at the center of the positioning seat, a rubber pad is arranged in the positioning hole, an upper end plate is fixedly connected with the upper ends of the two supporting vertical plates, an air cylinder is arranged at the upper end of the upper end plate, a guide cylinder is fixedly connected with the lower end surface of the upper end plate, the guide cylinder is positioned between the two supporting vertical plates, the central axis of the guide cylinder is superposed with the central axis of the positioning hole of the positioning seat, a pressing block is matched in the guide cylinder in a sliding mode, a piston rod of the air cylinder penetrates through the upper end plate to extend downwards and is fixedly, the mouth end of the outlet is provided with a groove, the diameter of the groove is larger than the shaft diameter of the shaft product to be measured, a sealing ring is arranged in the groove, the pressing block moves downwards under the driving of the air cylinder, the end, provided with the plug, of the shaft product to be measured is pressed by the sealing ring, and the shaft product to be measured is positioned vertically.
The locating hole of positioning seat is the shoulder hole, and the path section of this shoulder hole is located the lower extreme, the rubber pad sets up in the path section of shoulder hole, and the path section lateral wall of this shoulder hole is equipped with the opening of stepping down that supplies the axle class product of being surveyed to put into.
The bottom plate is provided with a mounting threaded hole, the central axis of the mounting threaded hole is superposed with the central axis of the positioning hole of the positioning seat, and a limiting adjusting seat is in threaded fit in the mounting threaded hole.
The inlet of the air channel is arranged on the side wall of the pressing block, and the air pipe joint is in threaded connection with the inlet of the air channel.
And the side wall of the guide cylinder is provided with a notch for yielding the air pipe joint.
The sealing ring is in interference fit in the groove.
The supporting vertical plate is provided with a strip-shaped hole for abdicating the air pipe joint.
The utility model discloses contain following beneficial effect: the upper end of the bottom plate is provided with two supporting vertical plates, a positioning seat is positioned between the supporting vertical plates and fixed on the bottom plate, a positioning hole used for positioning the lower end of the shaft product to be measured is formed in the center of the positioning seat, a rubber pad is arranged in the positioning hole and used for sealing one end of the shaft product to be measured, and abrasion of the end face of the end of the shaft product to be measured is reduced. The upper ends of the two supporting vertical plates are fixedly connected with an upper end plate, an air cylinder is installed at the upper end of the upper end plate, a guide cylinder is fixedly connected to the lower end face of the upper end plate, the guide cylinder is located between the two supporting vertical plates, the central axis of the guide cylinder coincides with the central axis of the positioning hole of the positioning seat, a pressing block is matched in the guide cylinder in a sliding mode, a piston rod of the air cylinder penetrates through the upper end plate to extend downwards and is fixedly connected with the upper end of the pressing block, an air channel is arranged in the pressing block, an air pipe connector is arranged at the inlet of the air channel, the outlet of the air channel is located at the lower end of the pressing block, a groove is formed in the opening end of the outlet, the diameter of the groove is larger than the shaft diameter of the shaft product to be measured, a sealing ring is arranged in the groove, the pressing block moves downwards under the driving of the air cylinder, the end, of the shaft product to be measured is pressed by the sealing ring.
The locating hole of positioning seat is the shoulder hole, and the path section of this shoulder hole is located the lower extreme, the rubber pad sets up in the path section of shoulder hole, and the path section lateral wall of this shoulder hole is equipped with the opening of stepping down that supplies to be surveyed axle class product to put into, conveniently gets fast and puts to be surveyed axle class product.
The bottom plate sets up a mounting screw hole, the axis of mounting screw hole and the axis coincidence of the locating hole of positioning seat, a spacing regulation seat screw-thread fit is in mounting screw hole, the spacing regulation stroke of this spacing regulation seat is less than the half of the length of the footpath section of locating hole, the path section that the upper end of this spacing regulation seat passed the locating hole of positioning seat contacts with the lower terminal surface of the rubber pad of setting in the footpath section of locating hole, this spacing regulation seat adjusts the spacing height to the axle class product of being measured through screwing up the screw thread or unscrewing the screw thread, the stroke adjustment briquetting that cooperates the briquetting to push down compresses tightly the elasticity degree that the axle class product of being measured set up the one end of end cap promptly.
The inlet of air duct locates the briquetting lateral wall, the tracheal joint is connected with the import screw thread of air duct, makes things convenient for external trachea to carry out the gas transmission.
The sealing ring is in interference fit in the groove, and the sealing ring is prevented from falling off downwards from the groove.
The device has strengthened the reliability that axle type product oilhole end cap leakproofness detected, has effectively avoided the problem of product installation back shaft hole oil leak, has promoted product quality and detection efficiency, has reduced the detection cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the positioning seat of the present invention;
fig. 3 is a cross-sectional view of the positioning seat of the present invention;
fig. 4 is a schematic structural view of the guide cylinder of the present invention;
fig. 5 is a schematic structural diagram of the bottom plate of the present invention;
fig. 6 is a schematic structural view of the supporting vertical plate of the present invention;
fig. 7 is a schematic view of the present invention.
Detailed Description
As shown in fig. 1 to 7, a shaft product oil hole plug tightness detection device includes a bottom plate 1, two supporting vertical plates 5 are arranged at the upper end of the bottom plate 1, a positioning seat 2 is located between the supporting vertical plates 5 and fixed on the bottom plate 1, a positioning hole 16 for positioning the lower end of a measured shaft product 15 is arranged at the center of the positioning seat 2, the positioning hole 16 is provided with a rubber pad 4, the positioning hole 16 of the positioning seat 2 is a stepped hole, a small diameter section of the stepped hole is located at the lower end, the rubber pad 4 is arranged in the small diameter section of the stepped hole, and a step-down opening for the measured shaft product 15 to be placed in is arranged on the side wall of the large diameter section of the stepped hole. The upper ends of the two supporting vertical plates 5 are fixedly connected with an upper end plate 10, the upper end of the upper end plate 10 is provided with a cylinder 11, the lower end face of the upper end plate 10 is fixedly connected with a guide cylinder 9, the guide cylinder 9 is positioned between the two supporting vertical plates 5, the central axis of the guide cylinder 9 is superposed with the central axis of the positioning hole 16 of the positioning seat 2, a pressing block 7 is matched in the guide cylinder 9 in a sliding manner, a piston rod of the cylinder 11 penetrates through the upper end plate 10 to extend downwards to be fixedly connected with the upper end of the pressing block 7, an air duct 14 is arranged in the pressing block 7, an air pipe joint 8 is arranged at an inlet of the air duct 14, the side wall of the pressing block 7 is arranged at an inlet of the air duct 14, and. The side wall of the guide cylinder 9 is provided with a notch 17 for the air pipe joint 8 to give way. The supporting vertical plate 5 is provided with a strip-shaped hole for yielding the air pipe joint 8, so that an external air pipe can be conveniently used for air transmission. The outlet of the air channel 14 is positioned at the lower end of the pressing block 7, a groove 13 is formed in the opening end of the outlet, the diameter of the groove 13 is larger than the shaft diameter of the measured shaft product 15, a sealing ring 6 is arranged in the groove 13, the sealing ring 6 is in interference fit in the groove 13, the pressing block 7 moves downwards under the driving of the air cylinder 11, one end of the measured shaft product 15, provided with the plug 12, is tightly pressed by the sealing ring 6, and the measured shaft product 15 is positioned vertically. The bottom plate 1 is provided with a mounting threaded hole, the central axis of the mounting threaded hole coincides with the central axis of the positioning hole 16 of the positioning seat 2, a limit adjusting seat 3 is in threaded fit in the mounting threaded hole, the upper end of the limit adjusting seat 3 penetrates through the small-diameter section of the positioning hole 16 of the positioning seat 2 and contacts with the lower end face of the rubber pad 4 arranged in the small-diameter section of the positioning hole 2, the limit height of the limit adjusting seat 3 to the tested shaft product 15 is adjusted by screwing or unscrewing the threads, namely, the stroke adjusting pressing block 7 pressed downwards by the matching pressing block 7 is pressed tightly to the degree of tightness of one end of the tested shaft product 15 with the plug 12.
Examine time measuring, will the utility model discloses arrange in a cistern 18, the water level line of cistern 18 is higher than the up end of axle type product 15, briquetting 7 compresses tightly the one end that is surveyed axle type product 15 and sets up end cap 12 with sealing washer 6 under the drive of cylinder 11, to being surveyed axle type product 15 and form about the location back, screw up spacing regulation seat 3, make sealing washer 6 in 7 recesses 13 of briquetting and the rubber pad 4 of the aperture section of positioning hole 16 of positioning seat 2 will be surveyed axle type product 15 and press from both sides tightly from top to bottom and form sealedly, at this moment, through 8 gas conveying of trachea joint, then can have the bubble to emerge according to the oilhole 19 of being surveyed axle type product 15 and judge the leakproofness of end cap 12 of being surveyed axle type product 15.
The above only be the utility model discloses a preferred embodiment to be not used for the restriction the utility model discloses, technical personnel in the field are not deviating from the utility model discloses a under the prerequisite of spirit, right the utility model discloses the change of going on all falls into the utility model discloses a protection scope.
Claims (7)
1. The utility model provides an axle type product oilhole end cap leakproofness detection device which characterized in that: the device comprises a bottom plate (1), two supporting vertical plates (5) are arranged at the upper end of the bottom plate (1), a positioning seat (2) is positioned between the supporting vertical plates (5) and fixed on the bottom plate (1), a positioning hole (16) used for positioning the lower end of a measured shaft product (15) is arranged at the center of the positioning seat (2), a rubber pad (4) is arranged in the positioning hole (16), an upper end plate (10) is fixedly connected to the upper ends of the two supporting vertical plates (5), an air cylinder (11) is installed at the upper end of the upper end plate (10), a guide cylinder (9) is fixedly connected to the lower end face of the upper end plate (10), the guide cylinder (9) is positioned between the two supporting vertical plates (5), the central axis of the guide cylinder (9) is overlapped with the central axis of the positioning hole (16) of the positioning seat (2), a pressing block (7) is in sliding fit with the guide cylinder (9), and the piston rod of the air cylinder (11) penetrates through, be equipped with air duct (14) in briquetting (7), the import of this air duct (14) is equipped with air pipe connector (8), and the export of air duct (14) is located briquetting (7) lower extreme, and the mouth end of export is equipped with a recess (13), the diameter of recess (13) is greater than the axle diameter of being surveyed axle class product (15), sets up a sealing washer (6) in this recess (13), makes briquetting (7) move down under cylinder (11) drive and compresses tightly the one end that is surveyed axle class product (15) and set up end cap (12) with sealing washer (6), fixes a position about being surveyed axle class product (15) formation.
2. The device for detecting the sealing performance of the oil hole plugs of the shaft products according to claim 1, is characterized in that: the locating hole (16) of locating seat (2) is the shoulder hole, and the path section of this shoulder hole is located the lower extreme, rubber pad (4) set up in the path section of shoulder hole, and the path section lateral wall of this shoulder hole is equipped with the opening of stepping down that supplies to be surveyed axle class product (15) to put into.
3. The device for detecting the sealing performance of the oil hole plugs of the shaft products according to claim 1, is characterized in that: the bottom plate (1) is provided with a mounting threaded hole, the central axis of the mounting threaded hole coincides with the central axis of the positioning hole (16) of the positioning seat (2), and the limiting adjusting seat (3) is in threaded fit in the mounting threaded hole.
4. The device for detecting the sealing performance of the oil hole plugs of the shaft products according to claim 1, is characterized in that: the inlet of the air channel (14) is arranged on the side wall of the pressing block (7), and the air pipe joint (8 a) is in threaded connection with the inlet of the air channel (14).
5. The device for detecting the sealing performance of the oil hole plugs of the shaft products according to claim 1, is characterized in that: the side wall of the guide cylinder (9) is provided with a notch (17) for the air pipe joint (8) to give way.
6. The device for detecting the sealing performance of the oil hole plugs of the shaft products according to claim 1, is characterized in that: the sealing ring (6) is in interference fit in the groove (13).
7. The device for detecting the sealing performance of the oil hole plugs of the shaft products according to claim 1, is characterized in that: the supporting vertical plate (5) is provided with a strip-shaped hole for abdicating the air pipe joint (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921660556.8U CN210603748U (en) | 2019-10-05 | 2019-10-05 | Shaft product oil hole plug sealing performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921660556.8U CN210603748U (en) | 2019-10-05 | 2019-10-05 | Shaft product oil hole plug sealing performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210603748U true CN210603748U (en) | 2020-05-22 |
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ID=70695245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921660556.8U Active CN210603748U (en) | 2019-10-05 | 2019-10-05 | Shaft product oil hole plug sealing performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210603748U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203526A (en) * | 2021-06-15 | 2021-08-03 | 成都华川电装有限责任公司 | Air tightness detection tool for electromagnetic switch |
| CN113823425A (en) * | 2021-09-24 | 2021-12-21 | 中国核动力研究设计院 | An integrated reactor pressure vessel ultrasonic phased array inspection system |
| CN115371906A (en) * | 2022-08-05 | 2022-11-22 | 湖南东洲电气科技有限公司 | Detection apparatus for automatically controlled brake pedal of trolley-bus |
-
2019
- 2019-10-05 CN CN201921660556.8U patent/CN210603748U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203526A (en) * | 2021-06-15 | 2021-08-03 | 成都华川电装有限责任公司 | Air tightness detection tool for electromagnetic switch |
| CN113823425A (en) * | 2021-09-24 | 2021-12-21 | 中国核动力研究设计院 | An integrated reactor pressure vessel ultrasonic phased array inspection system |
| CN115371906A (en) * | 2022-08-05 | 2022-11-22 | 湖南东洲电气科技有限公司 | Detection apparatus for automatically controlled brake pedal of trolley-bus |
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