CN109108627B - High-pressure steam inlet insertion pipe assembling process - Google Patents
High-pressure steam inlet insertion pipe assembling process Download PDFInfo
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- CN109108627B CN109108627B CN201810919969.7A CN201810919969A CN109108627B CN 109108627 B CN109108627 B CN 109108627B CN 201810919969 A CN201810919969 A CN 201810919969A CN 109108627 B CN109108627 B CN 109108627B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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Abstract
The invention discloses a high-pressure steam inlet insertion pipe assembly process, which utilizes high-pressure steam inlet insertion pipe assembly equipment to position an old insertion pipe through S1; s2, pulling out the old cannula; s3, cleaning the sealing ring; s3, after the process of assembling the new insertion pipe, assembling the high-pressure steam inlet insertion pipe is completed. The invention can replace the traditional process of uncovering the cylinder to replace the high-pressure steam inlet insertion pipe by utilizing self-designed assembly equipment, and has the advantages of convenient operation, short replacement time and low replacement cost; meanwhile, the assembly precision of the new cannula assembly sealing ring can be controlled according to the height of the new cannula jack-up indication plate before and after replacement and the height of the old cannula jack-up indication plate, and the assembly quality is high; after the sealing ring is detached from the old cannula, cleaning and drying are carried out, so that the sealing effect after assembly is ensured.
Description
Technical Field
The invention relates to the technical field of assembly of turbine components, in particular to an assembly process of a high-pressure steam inlet insertion pipe.
Background
In the field of steam turbines, when replacing a high-pressure steam inlet insertion pipe, an assembly gap of 0.07mm exists between the insertion pipe and a sealing ring theoretically, the requirements of the pulling-out of an old insertion pipe and the assembly of a new insertion pipe on a construction process are high, and when replacing the high-pressure steam inlet insertion pipe by using a traditional process uncovering cylinder, the high-pressure steam inlet insertion pipe has the advantages of long time consumption, high cost, multiple uncontrollable factors and incapability of controlling the quality and precision after assembly, and therefore, the high-pressure steam inlet insertion pipe assembly process is designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-pressure steam inlet insertion pipe assembly process.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a high-pressure steam inlet intubate assembly equipment, includes the base, the equal perpendicular welding in both sides of base has the support frame, is equipped with the pneumatic cylinder of perpendicular installation on the base in the middle of two sets of support frames, the output of pneumatic cylinder is connected with the jacking board perpendicularly, the one end that the pneumatic cylinder was kept away from to the jacking board is equipped with the lower spacing deflector of two sets of level settings, the one end that two sets of lower spacing deflector kept away from each other is all perpendicular welding on the support frame of homonymy, one side that two sets of lower spacing deflector kept away from the jacking board is equipped with two sets of upper spacing deflector, the one end that two sets of upper spacing deflector kept away from each other is all perpendicular welding on the support frame of homonymy, one side that two sets of upper spacing deflector are close to each other and one side that two sets of lower spacing deflector are close to each other all are equipped with curved spacing groove, two sets of upper end upside that upper limit deflector is close to the spacing groove all is equipped with the scale indicator bar perpendicularly, sliding connection has the indicator between the two sets of scale indicator bars.
Preferably, two groups of upper limit guide plates are provided with sealing ring placing grooves at the center of one end close to the limit groove.
Preferably, the jacking plate is a circular plate, and a jacking block is arranged in the center of the upper side of the circular plate.
Preferably, the two sets of upper limit guide plates and the two sets of lower limit guide plates are symmetrical with respect to the axis of the jacking plate.
A high-pressure steam inlet insertion pipe assembly process comprises the following steps,
s1, positioning an old cannula: inserting the old pipe into a limiting groove between two groups of lower limiting guide plates, wherein one end of the old pipe provided with a sealing ring is erected on the top block;
s2, pulling out the old cannula: driving a hydraulic cylinder to extend the output end of the hydraulic cylinder, lifting the old cannula on the lifting plate, lifting the sealing ring along with the old cannula until the sealing ring is attached to the lower limit guide plate, lifting the indication plate when the old cannula is lifted, then continuously lifting the old cannula until the sealing ring is separated from the old cannula, and recording the lifting height h of the indication plate by the old cannula when the sealing ring is completely separated;
s3, cleaning the sealing ring: putting the seal ring detached in the step S1 into a cleaning device, adding a cleaning agent into the cleaning device, stirring and cleaning for 10-20 minutes, washing with clear water, and putting into a drying box to dry for 20-30 minutes at 50-80 ℃;
s, assembling a new cannula: and (3) placing the cleaned sealing rings in the step (S3) into a sealing ring placing groove between the two groups of upper limit guide plates, placing the new cannula into a limiting groove between the two groups of lower limit guide plates, standing the bottom end on the jacking block, starting the hydraulic cylinder, jacking the jacking plate and the new cannula, manually adjusting the sealing rings to enable the sealing rings to be coaxial with the new cannula, and continuously jacking the new cannula by using the hydraulic cylinder until the new cannula jacks the indication plate to a distance with the height of h.
The beneficial effects of the invention are as follows: the self-designed assembly equipment can replace the traditional process of uncovering the cylinder to replace the high-pressure steam inlet insertion pipe, and has the advantages of convenient operation, short replacement time and low replacement cost; meanwhile, the assembly precision of the new cannula assembly sealing ring can be controlled according to the height of the new cannula jack-up indication plate before and after replacement and the height of the old cannula jack-up indication plate, and the assembly quality is high; after the sealing ring is detached from the old cannula, cleaning and drying are carried out, so that the sealing effect after assembly is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a protection device of a portable charger according to the present invention;
fig. 2 is a schematic diagram of the positional relationship between two sets of upper limit guide plates and an indicator plate of the protection device of the portable charger according to the present invention.
In the figure: 1 base, 2 support frames, 3 pneumatic cylinders, 4 jacking plates, 5 lower limit guide plates, 6 upper limit guide plates, 7 limit grooves, 8 scale indicating rods, 9 indicating plates, 10 sealing ring placing grooves and 11 jacking blocks.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-2, a high-pressure steam inlet insertion pipe assembly device, the on-line screen storage device comprises a base 1, support frames 2 are vertically welded on two sides of the base 1, a hydraulic cylinder 3 vertically installed on the base 1 is arranged between the two groups of support frames 2, an output end of the hydraulic cylinder 3 is vertically connected with a jacking plate 4, the jacking plate 4 is a circular plate, a jacking block 11 is arranged in the center of the upper side of the circular plate, one end of the jacking plate 4, which is far away from the hydraulic cylinder 3, is provided with two groups of horizontally arranged lower limit guide plates 5, one ends, which are far away from each other, of the two groups of lower limit guide plates 5 are vertically welded on the support frames 2 on the same side, one sides, which are far away from each other, of the two groups of lower limit guide plates 5 are provided with two groups of upper limit guide plates 6, are symmetrical about the axis of the jacking plate 4, one end, which is far away from each other, of the two groups of upper limit guide plates 6 are vertically welded on the support frames 2 on the same side, one side, which is close to each other, of the two groups of lower limit guide plates 5 are provided with arc-shaped limit grooves 7, one end, which is close to each other, of the two groups of upper limit guide plates 6 are provided with two groups of limit guide rods 8, one end, which is close to one end, which is provided with two groups of limit guide rods 8, are connected with two sets of limit guide rods 8, and one end, which are close to one end, which is provided with two end, respectively, is provided with two limit guide rods 8.
Example 1
A high-pressure steam inlet insertion pipe assembly process comprises the following steps,
s1, positioning an old cannula: the old pipe is inserted into a limit groove 7 between two groups of lower limit guide plates 5, and one end of the old insertion pipe provided with a seal ring is erected on a top block 11;
s2, pulling out the old cannula: driving the hydraulic cylinder 3 to extend the output end of the hydraulic cylinder, lifting the old cannula on the lifting plate 4, lifting the sealing ring along with the old cannula until the sealing ring is attached to the lower limit guide plate 5, lifting the indication plate 9 when the old cannula is lifted, and then continuously lifting the old cannula until the sealing ring is separated from the old cannula, and recording the lifting height h of the indication plate 9 by the old cannula when the old cannula is completely separated;
s3, cleaning the sealing ring: putting the seal ring detached in the step S1 into a cleaning device, adding a cleaning agent into the cleaning device, stirring and cleaning for 10-20 minutes, washing with clear water, and putting into a drying box to dry for 20 minutes at 50 ℃;
s3, assembling a new cannula: and (2) placing the cleaned sealing rings in the step (S2) into a sealing ring placing groove 10 between the two groups of upper limit guide plates 6, placing a new cannula into a limit groove 7 between the two groups of lower limit guide plates 5, standing the bottom end on a jacking block 11, starting a hydraulic cylinder 3, jacking the jacking plate 4 and the new cannula, manually adjusting the sealing rings to enable the sealing rings to be coaxial with the new cannula at the jacking sealing rings, and continuously jacking the new cannula by using the hydraulic cylinder until the new cannula jacks the indication plate 9 to a distance with the height h.
Example two
S1, positioning an old cannula: the old pipe is inserted into a limit groove 7 between two groups of lower limit guide plates 5, and one end of the old insertion pipe provided with a seal ring is erected on a top block 11;
s2, pulling out the old cannula: driving the hydraulic cylinder 3 to extend the output end of the hydraulic cylinder, lifting the old cannula on the lifting plate 4, lifting the sealing ring along with the old cannula until the sealing ring is attached to the lower limit guide plate 5, lifting the indication plate 9 when the old cannula is lifted, and then continuously lifting the old cannula until the sealing ring is separated from the old cannula, and recording the lifting height h of the indication plate 9 by the old cannula when the old cannula is completely separated;
s3, cleaning the sealing ring: putting the seal ring detached in the step S1 into a cleaning device, adding a cleaning agent into the cleaning device, stirring and cleaning for 15 minutes, washing with clear water, and putting into a drying box to be dried at the temperature of 70 ℃ for 25 minutes;
s3, assembling a new cannula: and (2) placing the cleaned sealing rings in the step (S2) into a sealing ring placing groove 10 between the two groups of upper limit guide plates 6, placing a new cannula into a limit groove 7 between the two groups of lower limit guide plates 5, standing the bottom end on a jacking block 11, starting a hydraulic cylinder 3, jacking the jacking plate 4 and the new cannula, manually adjusting the sealing rings to enable the sealing rings to be coaxial with the new cannula at the jacking sealing rings, and continuously jacking the new cannula by using the hydraulic cylinder until the new cannula jacks the indication plate 9 to a distance with the height h.
Example III
S1, positioning an old cannula: the old pipe is inserted into a limit groove 7 between two groups of lower limit guide plates 5, and one end of the old insertion pipe provided with a seal ring is erected on a top block 11;
s2, pulling out the old cannula: driving the hydraulic cylinder 3 to extend the output end of the hydraulic cylinder, lifting the old cannula on the lifting plate 4, lifting the sealing ring along with the old cannula until the sealing ring is attached to the lower limit guide plate 5, lifting the indication plate 9 when the old cannula is lifted, and then continuously lifting the old cannula until the sealing ring is separated from the old cannula, and recording the lifting height h of the indication plate 9 by the old cannula when the old cannula is completely separated;
s3, cleaning the sealing ring: putting the seal ring detached in the step S1 into a cleaning device, adding a cleaning agent into the cleaning device, stirring and cleaning for 20 minutes, washing with clear water, and putting into a drying box to be dried for 30 minutes at the temperature of 80 ℃;
s3, assembling a new cannula: and (2) placing the cleaned sealing rings in the step (S2) into a sealing ring placing groove 10 between the two groups of upper limit guide plates 6, placing a new cannula into a limit groove 7 between the two groups of lower limit guide plates 5, standing the bottom end on a jacking block 11, starting a hydraulic cylinder 3, jacking the jacking plate 4 and the new cannula, manually adjusting the sealing rings to enable the sealing rings to be coaxial with the new cannula at the jacking sealing rings, and continuously jacking the new cannula by using the hydraulic cylinder until the new cannula jacks the indication plate 9 to a distance with the height h.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The high-pressure steam inlet insertion pipe assembling process is characterized in that the high-pressure steam inlet insertion pipe assembling equipment is adopted, the high-pressure steam inlet insertion pipe assembling equipment comprises a base (1), two sides of the base (1) are vertically welded with supporting frames (2), a hydraulic cylinder (3) vertically installed on the base (1) is arranged between the two groups of supporting frames (2), a jacking plate (4) is vertically connected to the output end of the hydraulic cylinder (3), two groups of horizontally arranged lower limit guide plates (5) are arranged at one end, far away from the hydraulic cylinder (3), of the jacking plate (4), one ends, far away from each other, of the two groups of lower limit guide plates (5) are vertically welded on supporting frames (2) at the same side, one ends, far away from each other, of the two groups of upper limit guide plates (6) are vertically welded on the supporting frames (2) at the same side, one side, close to each other, of the two groups of upper limit guide plates (6) and one side, close to each other, of the two groups of lower limit guide plates (5) are provided with two groups of lower limit guide plates (7), one end, far away from each other, of two groups of upper limit guide plates (8) are provided with two groups of limit guide rods (7), and one end, close to each other end is provided with two groups of upper limit guide rods (8) of scale guide rods (8) are connected with two arc-shaped indication guide rods (8);
the centers of one ends, close to the limiting grooves (7), of the two groups of upper limiting guide plates (6) are provided with sealing ring placing grooves (10); the jacking plate (4) is a circular plate, and a jacking block (11) is arranged in the center of the upper side of the circular plate; the two groups of upper limit guide plates (6) and the two groups of lower limit guide plates (5) are symmetrical relative to the axis of the jacking plate (4);
the high-pressure steam inlet insertion pipe assembly process comprises the following steps,
s1, positioning an old cannula: the old pipe is inserted into a limiting groove (7) between two groups of lower limiting guide plates (5), and one end of the old pipe provided with a sealing ring is erected on a top block (11);
s2, pulling out the old cannula: driving the hydraulic cylinder (3) to extend the output end of the hydraulic cylinder, lifting the old cannula on the lifting plate (4), lifting the sealing ring along with the old cannula until the sealing ring is attached to the lower limit guide plate (5), lifting the indication plate (9) when the old cannula is lifted, then continuously lifting the old cannula until the sealing ring is separated from the old cannula, and recording the lifting height h of the indication plate (9) by the old cannula when the sealing ring is completely separated;
s3, cleaning the sealing ring: putting the seal ring detached in the step S1 into a cleaning device, adding a cleaning agent into the cleaning device, stirring and cleaning for 10-20 minutes, washing with clear water, and putting into a drying box to dry for 20-30 minutes at 50-80 ℃;
s3, assembling a new cannula: and (3) placing the cleaned sealing rings in the step (S2) into a sealing ring placing groove (10) between two groups of upper limit guide plates (6), placing the new cannula into a limiting groove (7) between two groups of lower limit guide plates (5), standing the bottom end on a jacking block (11), starting a hydraulic cylinder (3), jacking the jacking plate (4) and the new cannula, jacking the sealing rings, manually adjusting the sealing rings to enable the sealing rings to be coaxial with the new cannula, and continuously jacking the new cannula by using the hydraulic cylinder until the new cannula jacks the indication plate (9) to a distance with the height of h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919969.7A CN109108627B (en) | 2018-08-14 | 2018-08-14 | High-pressure steam inlet insertion pipe assembling process |
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| CN201810919969.7A CN109108627B (en) | 2018-08-14 | 2018-08-14 | High-pressure steam inlet insertion pipe assembling process |
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| CN109108627A CN109108627A (en) | 2019-01-01 |
| CN109108627B true CN109108627B (en) | 2023-06-20 |
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| CN201026561Y (en) * | 2007-03-20 | 2008-02-27 | 永城煤电集团有限责任公司 | Hydraulic pressure type bearing disassembly and assembly machine for maintaining supporting roller |
| CN201776606U (en) * | 2010-08-19 | 2011-03-30 | 宝山钢铁股份有限公司 | Small-gap assembling and disassembling device for smoothing roll and bearing |
| KR101528047B1 (en) * | 2013-10-29 | 2015-06-11 | 캐터필라정밀씰 주식회사 | Automatic mounting apparatus for O-Ring against Seal-Ring |
| CN105269295A (en) * | 2015-05-13 | 2016-01-27 | 张利军 | Rapid half axle bearing dismounting and mounting device |
| CN204771393U (en) * | 2015-05-27 | 2015-11-18 | 中国石油天然气股份有限公司 | Bearing replacer |
| CN107378458B (en) * | 2017-09-16 | 2023-08-29 | 枣庄王晁煤矿有限责任公司 | Multipurpose hydraulic disassembling and assembling machine |
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