CN111256923A - Explosion-proof diesel engine cylinder body crack detection equipment - Google Patents
Explosion-proof diesel engine cylinder body crack detection equipment Download PDFInfo
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- CN111256923A CN111256923A CN202010226177.9A CN202010226177A CN111256923A CN 111256923 A CN111256923 A CN 111256923A CN 202010226177 A CN202010226177 A CN 202010226177A CN 111256923 A CN111256923 A CN 111256923A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3281—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell
- G01M3/329—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to the technical field of maintenance of diesel engines in nuclear power plants, and particularly relates to an explosion-proof diesel engine cylinder crack detection device. The device comprises a base and a sliding support plate which can be pushed into a sliding chute of the base, wherein a cross beam is fixed on the base, clamping plates are respectively fixed on two sides of the cross beam in the vertical direction, the clamping plates are aligned to horizontal clamping oil cylinders on the left side and the right side of a cylinder body to be tested, and the clamping plates are fixed on the pushing ends of the horizontal clamping oil cylinders; vertical compression oil cylinders are respectively fixed on two sides of the cross beam in the horizontal direction, and clamping plates in the horizontal direction pushed by the compression oil cylinders respectively compress two sides of the top of the cylinder body to be tested; two symmetrical lower pressing oil cylinders are respectively arranged on the horizontal part of the cross beam between the two pressing oil cylinders, the pushing ends of the lower ends of the two lower pressing oil cylinders are jointly fixed on the two ends of the lower pressing plate, and a pipeline fixing plate is fixed on the lower surface of the lower pressing plate. The invention can adjust the size of the water injection end to form a multi-surface sealing structure, thereby ensuring that the measurement result is more accurate and reliable.
Description
Technical Field
The invention belongs to the technical field of maintenance of diesel engines in nuclear power plants, and particularly relates to an explosion-proof diesel engine cylinder crack detection device.
Background
Fuqing nuclear power site has twenty or more diesel engines, explosion-proof diesel engines, and generally refers to diesel engines used in the environments of potentially explosive gases, combustible gases and steam engine dust. The diesel engine has explosion-proof performance, does not ignite environmental gas, steam and dust when working in an explosive environment, and the index of the exhaust gas meets the requirement of special environment regulation. The cylinder block is an important component of an explosion-proof diesel engine, connects each cylinder block and a crankcase into a whole, is a supporting framework for mounting a piston, a crankshaft and other parts and accessories, has extremely high requirement on the sealing performance, and therefore the sealing performance of the cylinder block must be detected in the production and processing process.
Disclosure of Invention
The invention aims to provide explosion-proof diesel engine cylinder body crack detection equipment to meet the requirements.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an explosion-proof diesel engine cylinder body crack detection device comprises a base and a sliding support plate which can be pushed into a base sliding groove, wherein a cross beam is fixed on the base, clamping plates are respectively fixed on two sides of the cross beam in the vertical direction, the clamping plates are aligned to horizontal clamping oil cylinders on the left side and the right side of a cylinder body to be detected, and the clamping plates are fixed on the pushing ends of the horizontal clamping oil cylinders; vertical compression oil cylinders are respectively fixed on two sides of the cross beam in the horizontal direction, and clamping plates in the horizontal direction pushed by the compression oil cylinders respectively compress two sides of the top of the cylinder body to be tested; the horizontal part of the cross beam between the two pressing oil cylinders is also provided with two symmetrical pressing oil cylinders respectively, the pushing ends of the lower ends of the two pressing oil cylinders are jointly fixed at the two ends of the lower pressing plate, the lower surface of the lower pressing plate is fixedly provided with a pipeline fixing plate, the lower end of the water adding pipe penetrates through the lower pressing plate and the center of the pipeline fixing plate, the periphery of the water adding pipe at the lower surface of the pipeline fixing plate is sleeved with an inflatable ring, the inflatable ring is communicated with a vacuum pump through a gas pipe, and the upper end of the water adding pipe is connected with a booster water.
The surface of the sliding carrier plate is provided with a groove.
The beam is arched.
The pipeline fixing plate is circular.
The section of the inflatable ring is gourd-shaped.
The inflatable ring is made of rubber.
One surface of each clamping plate, which is close to the cylinder body to be measured, is paved with a layer of rubber pad.
The clamping oil cylinder, the pressing oil cylinder and the pressing oil cylinder are respectively fixed on a sliding sleeve of the cross beam, and the sliding sleeve is a sliding block and can slide on the cross beam.
The section of the sliding sleeve is polygonal.
The sliding support plate conveys a cylinder body to be tested into the cross beam, a top opening, namely a water filling port, of the cylinder body to be tested is located under the pipeline fixing plate, the cylinder body to be tested is tightly pressed through controlling the clamping oil cylinders, the pressing oil cylinders and the pressing oil cylinders, the cylinder body to be tested is firmly fixed, a water adding pipe of the lower portion of the pipeline fixing plate is inserted into the top opening, namely the water filling port, of the cylinder body to be tested, the vacuum pump is controlled to pump air into the air charging ring until the top opening of the cylinder body to be tested is completely blocked by the air charging ring, the water filling port is sealed through the air charging ring, the air charging ring forms annular contact surfaces on the outer surface and the inner surface of the wall of the cylinder body to be tested, the air charging ring also forms contact surfaces with the side wall of the top opening of the cylinder body to be tested, therefore, a three-.
The beneficial effects obtained by the invention are as follows:
the water injection end of the invention not only can adjust the size, but also can form a multi-surface sealing structure, thereby greatly improving the sealing performance of the water injection port, and leading the measurement result to be more accurate and reliable. The invention belongs to the first example of a nuclear power plant in the same country, and the water injection end of the explosion-proof diesel engine cylinder crack detection equipment can be adjusted in size and forms a multi-surface sealing structure, so that the sealing performance of a water injection port is greatly improved, and the measurement result is more accurate and reliable. The purposes of saving construction period, reducing working time, reducing labor consumption, reducing cost and improving efficiency are achieved. The invention can adjust the size of the water injection end to form a multi-surface sealing structure, thereby greatly improving the sealing property of the water injection port part and leading the measurement result to be more accurate and reliable.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of a pipe fixing plate according to the present invention;
FIG. 3 is a schematic top view of the lower platen according to the present invention.
In the figure: 1. a base; 2. sliding the carrier plate; 3. a cross beam; 4. a clamping plate; 5. clamping the oil cylinder; 6. a pressing oil cylinder; 7. pressing the oil cylinder; 8. a lower pressing plate; 9. a pipeline fixing plate; 10. a water feeding pipe; 11. an inflatable ring; 12. an air tube; 13. a vacuum pump; 14. a three-way joint; 15. a booster water pump; 16. a pressure gauge; 17, a rubber pad; 18. a sliding sleeve.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
As shown in fig. 1-3, an explosion-proof diesel engine cylinder crack detection device comprises a base 1 and a sliding support plate 2 capable of being pushed into a chute of the base 1, a groove on the surface of the sliding support plate 2 is used for placing a cylinder to be detected, an arched beam 3 is fixed on the base 1, clamping plates 4 are respectively fixed on two sides of the beam 3 in the vertical direction and are aligned with horizontal clamping cylinders 5 on the left and right sides of the cylinder to be detected, the clamping plates 4 are fixed on the pushing ends of the horizontal clamping cylinders 5, vertical pressing cylinders 6 are respectively fixed on two sides of the beam 3 in the horizontal direction, the clamping plates 4 in the horizontal direction pushed by the pressing cylinders 6 are respectively pressed on two sides of the top of the cylinder to be detected, two symmetrical pressing cylinders 7 are respectively arranged on the horizontal part of the beam 3 between the two pressing cylinders 6, the pushing ends of the lower ends of the two pressing cylinders 7 are jointly, the lower surface of the lower pressing plate 8 is fixed with a circular pipeline fixing plate 9, the lower end of the water feeding pipe 10 penetrates through the lower pressing plate 8 and the center of the pipeline fixing plate 9, an inflating ring 11 with a gourd-shaped cross section is sleeved on the periphery of the water feeding pipe 10 on the lower surface of the pipeline fixing plate 9, the inflating ring 11 is made of rubber, such as natural latex, the material strength is high, the elasticity is large, the thickness is uniform, the gas time is long, the inflating ring 11 is communicated with a vacuum pump 13 through a gas pipe 12, and the upper end of the water feeding pipe 10 is connected with a pressurizing water pump 15 and a pressure gauge 16 through a tee joint.
One side of each clamping plate 4, which is close to the cylinder body to be tested, is paved with a layer of rubber pad 17, and the rubber pads 17 can increase friction force and have good buffering protection effect, so that the cylinder body to be tested is effectively protected.
Each oil cylinder (namely each clamping oil cylinder 5, each pressing oil cylinder 6 and each pressing oil cylinder 7) is respectively fixed on a sliding sleeve 18 of the cross beam 3, the sliding sleeve 18 is a sliding block which can slide on the cross beam 3, so that the position of each oil cylinder can be properly adjusted, a cylinder body to be detected is better clamped, the cross sections of the cross beam 3 and the sliding sleeve 18 are polygonal, the polygon is more stable, the sliding sleeve 18 is effectively prevented from rotating, and the sliding sleeve 18 can only slide left, right, up and down on the cross beam 3.
The sliding carrier plate 2 is similar to a drawer structure and is a horizontally-drawable structure, and can be driven by a motor lead screw or an oil cylinder to move back and forth on the base 1, which is common in the mechanical field, such as a workbench capable of moving horizontally, and therefore, the detailed description is omitted, the main purpose is to send a cylinder body to be tested into the cross beam 3, the top opening of the cylinder body to be tested, namely a water filling port, is positioned under the pipeline fixing plate 9, then the cylinder body to be tested is tightly pressed by controlling each clamping oil cylinder 5, pressing oil cylinder 6 and pressing oil cylinder 7, so as to realize the firm fixation of the cylinder body to be tested, a water adding pipe 10 at the lower part of the pipeline fixing plate 9 is inserted into the top opening of the cylinder body to be tested, namely the water filling port, then a vacuum pump 13 is controlled to pump air into the inflatable ring of the gourd-shaped inflatable ring 11 until the inflated inflatable ring 11 completely blocks the top opening, the diameter of the water adding pipe 10 is far smaller than the diameter of the top opening of the cylinder body to be detected, so that the water filling port is sealed through the inflating ring 11, annular contact surfaces M1 and M2 (shown in figure 2) are formed on the outer surface and the inner surface of the wall of the cylinder body to be detected by the gourd-shaped inflating ring 11, and the contact surfaces M3 are formed between the inflating ring 11 and the side wall of the top opening of the cylinder body to be detected, so that a three-surface sealing structure is formed, the sealing performance of the water filling end is greatly improved, the accuracy of the result is fully guaranteed, and moreover, the inflating ring 11 has elasticity and can be large or small, so that the sealing part has adjustability, and is suitable for more cylinder bodies of different models and different calibers. After the water is injected, whether the cylinder body cracks can be judged by observing the numerical value change of the pressure gauge 16.
The invention relates to an explosion-proof diesel engine cylinder body crack detection device.A groove on the surface of a sliding support plate is used for placing a cylinder body to be detected, an arched cross beam is fixed on a base, the middle of the cross beam is horizontal, the cross section of the cross beam is polygonal, namely a non-circular structure, horizontal clamping oil cylinders with clamping plates aligned to the left side and the right side of the cylinder body to be detected are respectively fixed on the two sides of the cross beam in the vertical direction, the clamping plates are fixed on the pushing ends of the horizontal clamping oil cylinders, vertical pressing oil cylinders are respectively fixed on the two sides of the cross beam in the horizontal direction, the horizontal clamping plates pushed by the pressing oil cylinders respectively press the two sides of the top of the cylinder body to be detected, two symmetrical pressing oil cylinders are respectively arranged on the horizontal part of the cross beam between the; the lower surface of the lower pressing plate is fixedly provided with a circular pipeline fixing plate, the lower end of the water feeding pipe penetrates through the lower pressing plate and the center of the pipeline fixing plate, the periphery of the water feeding pipe on the lower surface of the pipeline fixing plate is sleeved with an inflating ring with a gourd-shaped cross section, the inflating ring is communicated with the vacuum pump through a gas pipe, and the upper end of the water feeding pipe is connected with the pressurizing water pump and the pressure gauge through a three-way joint respectively.
Claims (10)
1. The utility model provides an explosion-proof diesel engine cylinder body crack check out test set which characterized in that: the device comprises a base and a sliding support plate which can be pushed into a sliding chute of the base, wherein a cross beam is fixed on the base, clamping plates are respectively fixed on two sides of the cross beam in the vertical direction, the clamping plates are aligned to horizontal clamping oil cylinders on the left side and the right side of a cylinder body to be tested, and the clamping plates are fixed on the pushing ends of the horizontal clamping oil cylinders; vertical compression oil cylinders are respectively fixed on two sides of the cross beam in the horizontal direction, and clamping plates in the horizontal direction pushed by the compression oil cylinders respectively compress two sides of the top of the cylinder body to be tested; the horizontal part of the cross beam between the two pressing oil cylinders is also provided with two symmetrical pressing oil cylinders respectively, the pushing ends of the lower ends of the two pressing oil cylinders are jointly fixed at the two ends of the lower pressing plate, the lower surface of the lower pressing plate is fixedly provided with a pipeline fixing plate, the lower end of the water adding pipe penetrates through the lower pressing plate and the center of the pipeline fixing plate, the periphery of the water adding pipe at the lower surface of the pipeline fixing plate is sleeved with an inflatable ring, the inflatable ring is communicated with a vacuum pump through a gas pipe, and the upper end of the water adding pipe is connected with a booster water.
2. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 1, wherein: the surface of the sliding carrier plate is provided with a groove.
3. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 1, wherein: the beam is arched.
4. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 1, wherein: the pipeline fixing plate is circular.
5. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 1, wherein: the section of the inflatable ring is gourd-shaped.
6. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 1, wherein: the inflatable ring is made of rubber.
7. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 1, wherein: one surface of each clamping plate, which is close to the cylinder body to be measured, is paved with a layer of rubber pad.
8. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 1, wherein: the clamping oil cylinder, the pressing oil cylinder and the pressing oil cylinder are respectively fixed on a sliding sleeve of the cross beam, and the sliding sleeve is a sliding block and can slide on the cross beam.
9. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 8, wherein: the section of the sliding sleeve is polygonal.
10. The explosion-proof diesel engine cylinder block crack detection apparatus of claim 1, wherein: the sliding support plate conveys a cylinder body to be tested into the cross beam, a top opening, namely a water filling port, of the cylinder body to be tested is located under the pipeline fixing plate, the cylinder body to be tested is tightly pressed through controlling the clamping oil cylinders, the pressing oil cylinders and the pressing oil cylinders, the cylinder body to be tested is firmly fixed, a water adding pipe of the lower portion of the pipeline fixing plate is inserted into the top opening, namely the water filling port, of the cylinder body to be tested, the vacuum pump is controlled to pump air into the air charging ring until the top opening of the cylinder body to be tested is completely blocked by the air charging ring, the water filling port is sealed through the air charging ring, the air charging ring forms annular contact surfaces on the outer surface and the inner surface of the wall of the cylinder body to be tested, the air charging ring also forms contact surfaces with the side wall of the top opening of the cylinder body to be tested, therefore, a three-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010226177.9A CN111256923A (en) | 2020-03-27 | 2020-03-27 | Explosion-proof diesel engine cylinder body crack detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010226177.9A CN111256923A (en) | 2020-03-27 | 2020-03-27 | Explosion-proof diesel engine cylinder body crack detection equipment |
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| Publication Number | Publication Date |
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| CN111256923A true CN111256923A (en) | 2020-06-09 |
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| CN202010226177.9A Pending CN111256923A (en) | 2020-03-27 | 2020-03-27 | Explosion-proof diesel engine cylinder body crack detection equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595458A (en) * | 2020-10-20 | 2021-04-02 | 陕西柴油机重工有限公司 | Water leakage detection method and detector for water pump of marine diesel engine |
| CN112747863A (en) * | 2020-12-02 | 2021-05-04 | 江苏大洋海洋装备有限公司 | Device is recycled in damage detection restoration of old and useless equipment of ocean |
| CN113189000A (en) * | 2021-05-06 | 2021-07-30 | 潍柴动力扬州柴油机有限责任公司 | Diesel engine cylinder body crack detection equipment |
| CN114323505A (en) * | 2022-03-18 | 2022-04-12 | 山西华羽盛泰科技有限公司 | Pressure container detection device |
-
2020
- 2020-03-27 CN CN202010226177.9A patent/CN111256923A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595458A (en) * | 2020-10-20 | 2021-04-02 | 陕西柴油机重工有限公司 | Water leakage detection method and detector for water pump of marine diesel engine |
| CN112595458B (en) * | 2020-10-20 | 2023-08-29 | 陕西柴油机重工有限公司 | Water leakage detection method and detector for marine diesel engine water pump |
| CN112747863A (en) * | 2020-12-02 | 2021-05-04 | 江苏大洋海洋装备有限公司 | Device is recycled in damage detection restoration of old and useless equipment of ocean |
| CN112747863B (en) * | 2020-12-02 | 2023-04-21 | 江苏大洋海洋装备有限公司 | Ocean waste equipment damage detection, repair and recycling device |
| CN113189000A (en) * | 2021-05-06 | 2021-07-30 | 潍柴动力扬州柴油机有限责任公司 | Diesel engine cylinder body crack detection equipment |
| CN114323505A (en) * | 2022-03-18 | 2022-04-12 | 山西华羽盛泰科技有限公司 | Pressure container detection device |
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