CN220339608U - Expansion joint ripple element detection device - Google Patents
Expansion joint ripple element detection device Download PDFInfo
- Publication number
- CN220339608U CN220339608U CN202321661553.2U CN202321661553U CN220339608U CN 220339608 U CN220339608 U CN 220339608U CN 202321661553 U CN202321661553 U CN 202321661553U CN 220339608 U CN220339608 U CN 220339608U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- corrugated element
- joint corrugated
- air
- detecting apparatus
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 244000309464 bull Species 0.000 claims description 8
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000002347 injection Methods 0.000 abstract description 10
- 239000007924 injection Substances 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000007547 defect Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses an expansion joint corrugated element detection device which comprises a base, wherein a bearing is embedded in the base, a rotating rod is inserted in the bearing, and a hand wheel is fixedly arranged at the left end of the rotating rod. The hand wheel is used for carrying the rotating rod to rotate, the rotating rod is used for carrying the threaded sleeve to draw together by utilizing two sections of opposite threaded grooves, meanwhile, the two clamping plates can draw together to clamp the expansion joint corrugated element, the two ends of the expansion joint corrugated element can be sealed by the rubber plug, the expansion joint corrugated element is outwards sealed by the rubber sealing ring, then air is injected into the expansion joint corrugated element by utilizing the air compressor, the air pipe and the air injection nozzle, then the pressure gauge on the other side is observed to change, if the pressure is continuously increased, the surface has no air leakage problem, if the pointer of the pressure gauge has no fluctuation, the air leakage condition exists, and the purpose of rapidly detecting the air tightness of the expansion joint corrugated element is achieved.
Description
Technical Field
The utility model belongs to expansion joint detection equipment, and particularly relates to an expansion joint corrugated element detection device.
Background
The expansion joint corrugated element is a key component for thermal compensation of the pressure pipeline and equipment, is used as an important component for guaranteeing stable operation of the pressure pipeline and equipment, has the functions of displacement compensation, vibration reduction, noise reduction and sealing, and is widely applied to the industrial fields of heat supply networks, oil refining, chemical industry, electric power, ships and the like.
The expansion joint corrugated element compensates the displacement of alternating working conditions such as pipe network temperature change, vibration and the like, bears repeated cyclic high stress, and the tightness becomes a main concern.
The expansion joint corrugated element needs to be subjected to tightness detection before leaving a factory, the traditional tightness detection firstly detects whether a notch exists in appearance checking by vision, and secondly seals two ends of the expansion joint corrugated element, and water is injected into a water source towards the inside to check whether water leakage exists, but the two detection methods have great defects, such as small defects cannot be seen by vision, and subsequent corrosion problems exist in water injection detection.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the expansion joint corrugated element detection device which has the advantage of rapidly detecting the air tightness of the expansion joint corrugated element, and solves the problems that firstly, the appearance checking is carried out by vision to check whether a notch exists or not, secondly, the two ends of the expansion joint corrugated element are sealed and water is injected into a water source towards the inside to check whether water leakage exists or not, but the two detection methods have great defects, such as small defects can not be seen by vision, and the subsequent corrosion problem exists in water injection detection.
In order to achieve the purpose of rapidly detecting the air tightness of the expansion joint corrugated element, the utility model provides the following technical scheme: the utility model provides an expansion joint ripple component detection device, includes the base, the inside of base is inlayed and is equipped with the bearing, the inside of bearing is interluded there is the bull stick, the left end fixed mounting of bull stick has the hand wheel, two sections screw grooves have been seted up in the outside of bull stick, the outside threaded connection of screw groove has the screw sleeve, the top fixed mounting of screw sleeve has the restriction pole, the restriction mouth corresponding with the restriction pole has been seted up on the surface of base, the top fixed mounting of restriction pole has splint, the side of splint is inlayed and is equipped with rubber seal, splint side fixed mounting has the rubber buffer, left side the rubber buffer center is inlayed and is equipped with the air injection mouth, and the right side the center of rubber buffer is interluded there is the manometer, the right side fixed mounting of air injection mouth has the trachea, tracheal other end intercommunication has air compressor.
Preferably, the two sections of thread grooves are symmetrically arranged, and the lines are opposite.
Preferably, the top of the limiting rod extends upwards to the outer side of the limiting opening.
Preferably, an expansion joint corrugated element is arranged between the two clamping plates.
Preferably, the diameter of the rubber plug is matched with the flange opening of the expansion joint corrugated element.
Preferably, the diameter of the rubber sealing ring is larger than the caliber of the flange opening of the corrugated element of the expansion joint.
Preferably, the air compressor is mounted on a surface of the base.
Compared with the prior art, the utility model provides the expansion joint corrugated element detection device, which has the following beneficial effects: this expansion joint ripple component detection device, it rotates to bring the bull stick through the hand wheel, the bull stick utilizes two sections opposite screw thread grooves to bring the thread bush and draws close simultaneously, two splint also can draw close simultaneously and hold expansion joint ripple component, and the rubber buffer can seal expansion joint ripple component both ends, rubber seal will seal expansion joint ripple component epitaxy, then utilize air compressor, trachea and gas injection mouth to pour into air into in the expansion joint ripple component, then through observing the manometer change of opposite side, if pressure constantly increases, then the surface does not have the gas leakage problem, if manometer pointer does not change, then there is the gas leakage condition, thereby realize the quick detection gas tightness mesh to expansion joint ripple component.
Drawings
FIG. 1 is a schematic view of the front cut-away structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model.
In the figure: 1-base, 2-bearing, 3-bull stick, 4-hand wheel, 5-thread groove, 6-thread bush, 7-restriction pole, 8-restriction mouth, 9-splint, 10-rubber seal, 11-rubber stopper, 12-air injection mouth, 13-manometer, 14-trachea, 15-air compressor, 16-expansion joint ripple component.
Description of the embodiments
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. 1-2, an expansion joint corrugated element detection device comprises a base 1, a bearing 2 is embedded in the base 1, a rotating rod 3 is inserted in the bearing 2, a hand wheel 4 is fixedly arranged at the left end of the rotating rod 3, two sections of thread grooves 5 are formed in the outer side of the rotating rod 3, the two sections of thread grooves 5 are symmetrically arranged, and lines are opposite.
Referring to fig. 1-2, a thread sleeve 6 is screwed on the outer side of the thread groove 5, a limiting rod 7 is fixedly installed on the top of the thread sleeve 6, a limiting opening 8 corresponding to the limiting rod 7 is formed in the surface of the base 1, and the top of the limiting rod 7 extends upwards to the outer side of the limiting opening 8. The top of the limiting rod 7 is fixedly provided with clamping plates 9, and an expansion joint corrugated element 16 is arranged between the two clamping plates 9.
Referring to fig. 1-2, a rubber sealing ring 10 is embedded in the side surface of the clamping plate 9, and the diameter of the rubber sealing ring 10 is larger than the caliber of the flange opening of the expansion joint corrugated element 16. The side of the clamping plate 9 is fixedly provided with a rubber plug 11, and the diameter of the rubber plug 11 is matched with the flange opening of the expansion joint corrugated element 16.
Referring to fig. 1-2, an air injection nozzle 12 is embedded in the center of a left rubber plug 11, a pressure gauge 13 is inserted in the center of a right rubber plug 11, an air pipe 14 is fixedly installed on the right side of the air injection nozzle 12, the other end of the air pipe 14 is communicated with an air compressor 15, and the air compressor 15 is installed on the surface of the base 1.
Working principle: when the air tightness detection device is used, the rotating rod 3 is driven to rotate through the hand wheel 4, the rotating rod 3 is driven to draw together through the threaded sleeve 6 by utilizing the two sections of opposite threaded grooves 5, meanwhile, the two clamping plates 9 are also drawn together to clamp the expansion joint corrugated element 16, the two ends of the expansion joint corrugated element 16 can be sealed through the rubber plug 11, the expansion joint corrugated element 16 is outwards sealed through the rubber seal 10, then air is injected into the expansion joint corrugated element 16 through the air compressor 15, the air pipe 14 and the air injection nozzle 12, then the pointer of the pressure gauge 13 on the other side is observed to rotate continuously, the pressure value is increased continuously, the surface has no air leakage problem, and if the pointer of the pressure gauge 13 does not change, the air leakage condition exists, so that the purpose of rapidly detecting the air tightness of the expansion joint corrugated element 16 is achieved.
Claims (7)
1. The utility model provides an expansion joint ripple element detection device, includes base (1), its characterized in that: the inside of base (1) is inlayed and is equipped with bearing (2), the inside of bearing (2) is interluded has bull stick (3), the left end fixed mounting of bull stick (3) has hand wheel (4), two sections screw thread groove (5) have been seted up in the outside of bull stick (3), the outside threaded connection of screw thread groove (5) has thread bush (6), the top fixed mounting of thread bush (6) has restriction pole (7), restriction mouth (8) corresponding with restriction pole (7) have been seted up on the surface of base (1), the top fixed mounting of restriction pole (7) has splint (9), the side of splint (9) has inlayed rubber seal (10), splint (9) side fixed mounting has rubber stopper (11), left side rubber stopper (11) center has inlayed and has annotate air cock (12), the center of right side has manometer (13), the right side fixed mounting trachea (14) of annotating air cock (12), the other end intercommunication of trachea (14) has air compressor (15).
2. The expansion joint corrugated element detecting apparatus according to claim 1, wherein: the two sections of the thread grooves (5) are symmetrically arranged, and the lines are opposite.
3. The expansion joint corrugated element detecting apparatus according to claim 1, wherein: the top of the limiting rod (7) extends upwards to the outer side of the limiting opening (8).
4. The expansion joint corrugated element detecting apparatus according to claim 1, wherein: an expansion joint corrugated element (16) is arranged between the two clamping plates (9).
5. The expansion joint corrugated element detecting apparatus according to claim 4, wherein: the diameter of the rubber plug (11) is matched with the flange opening of the expansion joint corrugated element (16).
6. The expansion joint corrugated element detecting apparatus according to claim 4, wherein: the diameter of the rubber sealing ring (10) is larger than the caliber of a flange opening of the expansion joint corrugated element (16).
7. The expansion joint corrugated element detecting apparatus according to claim 1, wherein: the air compressor (15) is arranged on the surface of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661553.2U CN220339608U (en) | 2023-06-27 | 2023-06-27 | Expansion joint ripple element detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661553.2U CN220339608U (en) | 2023-06-27 | 2023-06-27 | Expansion joint ripple element detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220339608U true CN220339608U (en) | 2024-01-12 |
Family
ID=89445298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321661553.2U Active CN220339608U (en) | 2023-06-27 | 2023-06-27 | Expansion joint ripple element detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220339608U (en) |
-
2023
- 2023-06-27 CN CN202321661553.2U patent/CN220339608U/en active Active
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| GR01 | Patent grant |