CN202631205U - Underwater air pressure testing device for stainless pipes - Google Patents
Underwater air pressure testing device for stainless pipes Download PDFInfo
- Publication number
- CN202631205U CN202631205U CN 201220252824 CN201220252824U CN202631205U CN 202631205 U CN202631205 U CN 202631205U CN 201220252824 CN201220252824 CN 201220252824 CN 201220252824 U CN201220252824 U CN 201220252824U CN 202631205 U CN202631205 U CN 202631205U
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- stainless
- steel tube
- cylinder
- piston rod
- sealing
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Abstract
The utility model belongs to the field of stainless pipe producing and checking equipment, and specifically relates to a device which is used for checking underwater to determine whether leakages exist in the stainless pipes. The underwater air pressure testing device for stainless pipes comprises a water channel used for filling with water, and is characterized in that a plurality of supporting devices used for supporting the stainless pipes are arranged in the middle of the water channel; lifting mechanisms used for supporting and sealing the end parts of the stainless pipes are arranged on both sides of the water channel; the lifting mechanisms comprise lifting air cylinders fixed at the bottom of the water channel; the end parts of the piston rods of the lifting air cylinders are connected with supporting plates; sealed air cylinders are arranged on the supporting plates in the horizontal direction; seal parts used for sealing the end parts of the stainless pipes are arranged at the end parts of the piston rods of the sealed air cylinders; an air passageway is formed inside the piston of the sealed cylinder on the right side; and an air inlet and a pressure detecting port which are communicated with the air passageway are formed in each piston rod.
Description
Technical field
The utility model belongs to the production testing apparatus field of stainless-steel tube, particularly a kind ofly detects the device whether stainless-steel tube exists seepage under water.
Background technology
The leak detection of stainless-steel tube generally adopts hydraulic pressure (is medium with water) test method to realize, when stainless-steel tube is accepted hydro-test; Exist to be difficult for the defective found for naked eyes in the invar pipe, during like fine fisssure, spilehole etc., liquid will leak out from the fault location of steel pipe; Then show this pipe for defective, however when the defective of steel pipe little to a certain degree the time, owing to the molecule of water is bigger; Just can't leak out, can't detect the problem of existence from fault location.
Summary of the invention
To above-mentioned technical matters, the utility model provides a kind of air underwater pressure test device whether the high pressure gas detection stainless-steel tube exists seepage that feeds under water.
The utility model is realized through following technical scheme:
Stainless-steel tube air underwater pressure test device; It comprises the tank that is used for filled with water; It is characterized in that: the middle part of described tank is provided with a plurality of bracing or strutting arrangements that are used to support stainless-steel tube; The two ends of described tank are provided with the elevating mechanism that is used for stainless-steel tube end portion, supports and sealing, and described elevating mechanism comprises the lift cylinder that is fixed on bottom of gullet, and the end of the piston rod of described lift cylinder is connected with back up pad; Horizontal direction is provided with sealing cylinder on the described back up pad; The end of the piston rod of described sealing cylinder is provided with the seal that the stainless-steel tube end is sealed, and the piston rod set inside of the sealing cylinder on described right side has gas flow, and described piston rod is provided with air intake opening and the pressure detection mouth that is communicated with gas flow.
Described bracing or strutting arrangement comprises the cylinder that is fixedly connected on bottom of gullet, and the end of the expansion link of described cylinder is connected with the stainless-steel tube fixed mount.
Described stainless-steel tube fixed mount is the fixed mount of a strip, and the upper surface of described stainless-steel tube fixed mount is provided with individual being used for carried out spacing V-type groove to stainless-steel tube.
In sum; The utility model has realized that a kind of hydraulic pressure feeding gas detects the seepage property of stainless-steel tube; Gas detection has accuracy preferably, can improve the recall rate of stainless-steel tube seepage defect, prevents the outflow of defective products; The utility model has been realized the control of robotization, the workload that reduces a staff simultaneously.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of bracing or strutting arrangement;
Among the figure, 1 is tank, and 2 is bracing or strutting arrangement, and 3 is elevating mechanism, and 31 is elevating mechanism; 32 is back up pad, and 33 is sealing cylinder, and 34 is seal, and 35 is gas flow, and 36 is air intake opening; 37 is the pressure detection mouth, and 21 is cylinder, and 22 is the stainless-steel tube fixed mount, and 221 is the V-type groove.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is further specified.
Stainless-steel tube air underwater pressure test device as depicted in figs. 1 and 2; It comprises the tank 1 that is used for filled with water; It is characterized in that: the middle part of described tank 1 is provided with a plurality of bracing or strutting arrangements 2 that are used to support stainless-steel tube; The two ends of described tank are provided with the elevating mechanism 3 that is used for stainless-steel tube end portion, supports and sealing; Described elevating mechanism 3 comprises the lift cylinder 31 that is fixed on bottom of gullet; The end of the piston rod of described lift cylinder 31 is connected with back up pad 32, and horizontal direction is provided with sealing cylinder 33 on the described back up pad 32, and the end of the piston rod of described sealing cylinder 33 is provided with the seal 34 that the stainless-steel tube end is sealed; The piston rod set inside of the sealing cylinder on described right side has gas flow 35, and described piston rod is provided with the air intake opening 36 and pressure detection mouth 37 that is communicated with gas flow 35.
Described bracing or strutting arrangement 2 comprises the cylinder 21 that is fixedly connected on bottom of gullet, and the end of the expansion link of described cylinder 21 is connected with stainless-steel tube fixed mount 22.
Described stainless-steel tube fixed mount 22 is the fixed mount of a strip, and the upper surface of described stainless-steel tube fixed mount 22 is provided with individual being used for carried out spacing V-type groove 221 to stainless-steel tube.
In sum; The utility model has realized that a kind of hydraulic pressure feeding gas detects the seepage property of stainless-steel tube; Gas detection has accuracy preferably, can improve the recall rate of stainless-steel tube seepage defect, prevents the outflow of defective products; The utility model has been realized the control of robotization, the workload that reduces a staff simultaneously.
Claims (3)
1. stainless-steel tube air underwater pressure test device; It comprises the tank that is used for filled with water; It is characterized in that: the middle part of described tank is provided with a plurality of bracing or strutting arrangements that are used to support stainless-steel tube; The two ends of described tank are provided with the elevating mechanism that is used for stainless-steel tube end portion, supports and sealing, and described elevating mechanism comprises the lift cylinder that is fixed on bottom of gullet, and the end of the piston rod of described lift cylinder is connected with back up pad; Horizontal direction is provided with sealing cylinder on the described back up pad; The end of the piston rod of described sealing cylinder is provided with the seal that the stainless-steel tube end is sealed, and the piston rod set inside of the sealing cylinder on described right side has gas flow, and described piston rod is provided with air intake opening and the pressure detection mouth that is communicated with gas flow.
2. stainless-steel tube air underwater pressure test device according to claim 1, it is characterized in that: described bracing or strutting arrangement comprises the cylinder that is fixedly connected on bottom of gullet, the end of the expansion link of described cylinder is connected with the stainless-steel tube fixed mount.
3. stainless-steel tube air underwater pressure test device according to claim 2; It is characterized in that: described stainless-steel tube fixed mount is the fixed mount of a strip, and the upper surface of described stainless-steel tube fixed mount is provided with individual being used for carried out spacing V-type groove to stainless-steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252824 CN202631205U (en) | 2012-05-30 | 2012-05-30 | Underwater air pressure testing device for stainless pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220252824 CN202631205U (en) | 2012-05-30 | 2012-05-30 | Underwater air pressure testing device for stainless pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631205U true CN202631205U (en) | 2012-12-26 |
Family
ID=47384396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220252824 Expired - Fee Related CN202631205U (en) | 2012-05-30 | 2012-05-30 | Underwater air pressure testing device for stainless pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631205U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398822A (en) * | 2013-06-18 | 2013-11-20 | 天津卡达克汽车高新技术公司 | Novel water density testing device |
| CN104229685A (en) * | 2013-06-17 | 2014-12-24 | 天津航天瑞莱科技有限公司 | Underwater modal test lifting and auxiliary stabilizing system |
| CN109186875A (en) * | 2018-09-23 | 2019-01-11 | 烟台市帅恒机械科技有限公司 | The sealing detection system and its application method of cold preceding air inlet pipe in a kind of |
-
2012
- 2012-05-30 CN CN 201220252824 patent/CN202631205U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229685A (en) * | 2013-06-17 | 2014-12-24 | 天津航天瑞莱科技有限公司 | Underwater modal test lifting and auxiliary stabilizing system |
| CN103398822A (en) * | 2013-06-18 | 2013-11-20 | 天津卡达克汽车高新技术公司 | Novel water density testing device |
| CN109186875A (en) * | 2018-09-23 | 2019-01-11 | 烟台市帅恒机械科技有限公司 | The sealing detection system and its application method of cold preceding air inlet pipe in a kind of |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20160530 |