CN218444341U - Welding seam detection device for gas jacking of steel dome - Google Patents
Welding seam detection device for gas jacking of steel dome Download PDFInfo
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- CN218444341U CN218444341U CN202221769671.0U CN202221769671U CN218444341U CN 218444341 U CN218444341 U CN 218444341U CN 202221769671 U CN202221769671 U CN 202221769671U CN 218444341 U CN218444341 U CN 218444341U
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Abstract
The utility model discloses a welding seam detection device for jacking of steel vault gas, which comprises a housin, the casing is provided with and is used for ordering about the casing along the drive arrangement of the welding seam motion on the dome, the downside of casing is provided with the decurrent cylinder body of opening, the lower edge of cylinder body is provided with sealed glue, the casing is provided with the vacuum pump, the vacuum pump passes through trachea and cylinder body intercommunication, the trachea is provided with the solenoid valve, the inner wall of cylinder body is provided with the air pressure detection device, fixedly connected with baffle in the casing, the cylinder body sets up the downside at the baffle, the downside fixedly connected with servo electric jar of baffle, the output shaft of servo electric jar is downward and pass the bottom of cylinder body, the output shaft of servo electric jar and the bottom sliding connection of cylinder body, be provided with the spring between output shaft and the cylinder body of servo electric jar, the lower extreme of the output shaft of servo electric jar is provided with the marker pen. The utility model provides a following beneficial effect has: 1. can detect along the welding seam automatically, it is efficient, labour saving and time saving.
Description
Technical Field
The utility model relates to a detection device technical field especially relates to a welding seam detection device for jacking of steel vault gas.
Background
When the dome of the storage tank is installed by adopting the gas jacking technology, the air tightness of a welding seam on the dome needs to be ensured, namely the welding seam on the dome does not allow air leakage, so that the welding seam needs to be detected before the dome is jacked. The existing detection device adopts manual work to detect along a welding line on a dome, thereby wasting time and labor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the above-mentioned shortcoming of prior art, provide a welding seam detection device for jacking of steel vault gas.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a welding seam detection device for gas jacking of steel vault, which comprises a housin, the casing is provided with and is used for ordering about the casing along the drive arrangement of the welding seam motion on the dome, the downside of casing is provided with the decurrent cylinder body of opening, the lower edge of cylinder body is provided with sealed glue, the casing is provided with the vacuum pump, the vacuum pump passes through trachea and cylinder body intercommunication, the trachea is provided with the solenoid valve, the inner wall of cylinder body is provided with atmospheric pressure detection device, fixedly connected with baffle in the casing, the cylinder body sets up the downside at the baffle, the downside fixedly connected with servo electric jar of baffle, the output shaft of servo electric jar is downward and pass the bottom of cylinder body, the output shaft of servo electric jar and the bottom sliding connection of cylinder body, be provided with the spring between the output shaft of servo electric jar and the cylinder body, the lower extreme of the output shaft of servo electric jar is provided with the marker pen.
Furthermore, the driving device comprises a roller which is rotatably connected to the lower side of the shell, the shell penetrates through a rack, a gear which is meshed with the rack is rotatably connected in the shell, the gear is connected with a motor, and two ends of the rack are provided with connecting devices which are used for being connected with the dome.
Furthermore, the connecting device comprises a cross beam, the middle of the cross beam is fixedly connected with the rack, the cross beam is perpendicular to the rack, two ends of the cross beam are fixedly connected with the supports, and the lower ends of the supports are provided with magnetic force seats.
Furthermore, the bottom of cylinder body is provided with the via hole that the output shaft that supplies servo electric jar passed, the equal fixedly connected with uide bushing in upper and lower both sides of via hole, and servo electric jar's output shaft passes the uide bushing.
Furthermore, the spring sleeve is arranged on the output shaft of the servo electric cylinder and arranged in the cylinder body, the upper end of the spring is connected with the bottom of the cylinder body, and the lower end of the spring is connected with the output shaft of the servo electric cylinder.
Compared with the prior art, the utility model provides a following beneficial effect has: 1. the detection can be automatically carried out along the welding line, the efficiency is high, and the time and the labor are saved; 2. when the welding seam leaks air, the marking pen marks the position, so that the subsequent maintenance is convenient.
Drawings
FIG. 1 is a schematic illustration of an embodiment of the present application in use.
Fig. 2 isbase:Sub>A partial sectional viewbase:Sub>A-base:Sub>A of fig. 1 of an embodiment of the present application.
Fig. 3 is an enlarged view at B of fig. 2 of an embodiment of the present application.
Detailed Description
The technical solution of the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.
Referring to fig. 1 to 3, a weld seam detection device for air jacking of a steel dome comprises a housing 11, wherein the housing 11 is provided with a driving device 111 for driving the housing 11 to move along a weld seam on a dome 200, a cylinder 112 with a downward opening is arranged on the lower side of the housing 11, a sealant 1121 is arranged on the lower edge of the cylinder 112, the housing 11 is provided with a vacuum pump 113, the vacuum pump 113 is communicated with the cylinder 112 through an air pipe 1131, the air pipe 1131 is provided with an electromagnetic valve 1132, an air pressure detection device 1122 is arranged on the inner wall of the cylinder 112, the existing air pressure sensor can be adopted as the air pressure detection device 1122, a partition plate 114 is fixedly connected in the housing 11, the cylinder 112 is arranged on the lower side of the partition plate 114, a servo electric cylinder 1141 is fixedly connected to the lower side of the partition plate 114, an output shaft of the servo electric cylinder 1141 goes downward and penetrates through the bottom of the cylinder 112, an output shaft of the servo electric cylinder 1141 is slidably connected with the bottom of the cylinder 112, a spring 1141b is arranged between the output shaft of the servo electric cylinder 1141 and the cylinder 112, and a marker 1141 is arranged at the lower end of the output shaft of the servo electric cylinder 1141.
The driving means 111 comprises a roller 1111 rotatably connected to the lower side of the housing 11, the housing 11 is penetrated by a rack 115, a gear 1151 engaged with the rack 115 is rotatably connected to the housing 11, the gear 1151 is connected to a motor, and both ends of the rack 115 are provided with connecting means 1152 for connecting to the dome.
The connecting device 1152 comprises a cross beam 1152a, the middle part of the cross beam 1152a is fixedly connected with a rack 115, the cross beam 1152a is perpendicular to the rack 115, two ends of the cross beam 1152a are fixedly connected with brackets 1152b, and the lower end of the bracket 1152b is provided with a magnetic seat 1152c.
The bottom of the cylinder body 112 is provided with a through hole 1123 for the output shaft of the servo electric cylinder 1141 to pass through, the upper side and the lower side of the through hole 1123 are both fixedly connected with a guide sleeve 1123a, and the output shaft of the servo electric cylinder 1141 passes through the guide sleeve 1123a.
The spring 1141b is sleeved on the output shaft of the servo electric cylinder 1141 and is arranged in the cylinder body 112, the upper end of the spring 1141b is connected with the bottom of the cylinder body 112, and the lower end of the spring 1141b is connected with the output shaft of the servo electric cylinder 1141.
Principle of embodiment:
the rack 115 is placed over the weld 21, the rack 115 and the weld being parallel, and the attachment means at both ends of the rack 115 are attached to both ends of the dome, respectively, see fig. 1. Specifically, magnetic seat 1152c is attached to the dome.
Then the output shaft of the servo electric cylinder 1141 moves downwards to drive the cylinder body 112 to move downwards until the sealant 1121 is extruded on the upper side of the dome, a negative pressure cavity is formed between the dome and the cylinder body 112, wherein the weld seam at least partially passes through the negative pressure cavity, then the vacuum pump 113 operates, the air pressure in the negative pressure cavity is reduced, the air pressure detection device 1122 measures the air pressure in the negative pressure cavity, when the air pressure is reduced to a certain degree, the vacuum pump 113 stops operating, the electromagnetic valve 1132 is closed, the negative pressure cavity maintains the pressure, and when the pressure of the air pressure detection device 1122 is not increased, it is indicated that the weld seam on the lower side of the cylinder body 112 is not air-tight; otherwise, the welding seam leaks gas, and at this moment, servo electric cylinder 1141's output shaft continues the downward motion, and spring 1141b extends, and mark pen 1141a makes the mark down at the upside of dome, makes things convenient for the later maintenance. Then the electromagnetic valve 1132 is opened, the air pressure of the negative pressure cavity is increased to atmospheric pressure, then the output shaft of the servo electric cylinder 1141 moves upwards, the cylinder body 112 moves upwards and is separated from the dome, then the motor operates, after the gear 1151 moves for a certain distance along the rack 115, namely after the cylinder body 112 moves for a certain distance along the weld joint, the above-mentioned actions are repeated again to detect the weld joint on the lower side of the cylinder body 112 until the detection of the whole weld joint is completed.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. The utility model provides a welding seam detection device for jacking of steel vault gas, a serial communication port, which comprises a housin, the casing is provided with and is used for ordering about the casing is followed the drive arrangement of the welding seam motion in the dome, the downside of casing is provided with the cylinder body that opens downwards, the lower edge of cylinder body is provided with sealed glue, the casing is provided with the vacuum pump, the vacuum pump pass through the trachea with the cylinder body intercommunication, the trachea is provided with the solenoid valve, the inner wall of cylinder body is provided with atmospheric pressure detection device, fixedly connected with baffle in the casing, the cylinder body sets up the downside of baffle, the servo electric jar of downside fixedly connected with of baffle, the output shaft of servo electric jar is downward and passes the bottom of cylinder body, the output shaft of servo electric jar with the bottom sliding connection of cylinder body, the output shaft of servo electric jar with be provided with the spring between the cylinder body, the lower extreme of the output shaft of servo electric jar is provided with the marker pen.
2. The weld detecting device for the gas jacking of the steel dome according to claim 1, wherein the driving device comprises a roller rotatably connected to the lower side of the shell, the shell is penetrated by a rack, a gear meshed with the rack is rotatably connected in the shell, the gear is connected with a motor, and connecting devices for connecting with the dome are arranged at two ends of the rack.
3. The welding seam detection device for the gas jacking of the steel dome according to claim 2, wherein the connecting device comprises a cross beam, the middle part of the cross beam is fixedly connected with the rack, the cross beam is perpendicular to the rack, two ends of the cross beam are fixedly connected with supports, and the lower ends of the supports are provided with magnetic seats.
4. The welding seam detection device for the air jacking of the steel dome according to claim 3, wherein a through hole for the output shaft of the servo electric cylinder to pass through is formed in the bottom of the cylinder body, guide sleeves are fixedly connected to the upper side and the lower side of the through hole, and the output shaft of the servo electric cylinder passes through the guide sleeves.
5. The weld detecting device for the gas jacking of the steel domes as claimed in any one of claims 1 to 4, wherein the spring is sleeved on the output shaft of the servo electric cylinder and is arranged in the cylinder body, the upper end of the spring is connected with the bottom of the cylinder body, and the lower end of the spring is connected with the output shaft of the servo electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769671.0U CN218444341U (en) | 2022-07-08 | 2022-07-08 | Welding seam detection device for gas jacking of steel dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769671.0U CN218444341U (en) | 2022-07-08 | 2022-07-08 | Welding seam detection device for gas jacking of steel dome |
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| Publication Number | Publication Date |
|---|---|
| CN218444341U true CN218444341U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221769671.0U Active CN218444341U (en) | 2022-07-08 | 2022-07-08 | Welding seam detection device for gas jacking of steel dome |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117451622A (en) * | 2023-10-31 | 2024-01-26 | 中石化工建设有限公司 | Pipeline internal surface tubular product welding seam detection device |
| CN117451622B (en) * | 2023-10-31 | 2024-06-07 | 中石化工建设有限公司 | Pipeline internal surface tubular product welding seam detection device |
-
2022
- 2022-07-08 CN CN202221769671.0U patent/CN218444341U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117451622A (en) * | 2023-10-31 | 2024-01-26 | 中石化工建设有限公司 | Pipeline internal surface tubular product welding seam detection device |
| CN117451622B (en) * | 2023-10-31 | 2024-06-07 | 中石化工建设有限公司 | Pipeline internal surface tubular product welding seam detection device |
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