CN104384901B - Valve seat cold setting is with looking for middle guidance system - Google Patents
Valve seat cold setting is with looking for middle guidance system Download PDFInfo
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- CN104384901B CN104384901B CN201410649083.7A CN201410649083A CN104384901B CN 104384901 B CN104384901 B CN 104384901B CN 201410649083 A CN201410649083 A CN 201410649083A CN 104384901 B CN104384901 B CN 104384901B
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- valve seat
- mainboard
- top board
- plate
- screw
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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
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
Valve seat cold setting is with looking for middle guidance system, it relates to a kind of guidance system, to solve in existing valve seat cold setting process, one is not had to look for middle guidance system, cause in assembling process, valve seat and valve body produce to collide with, and the problem very easily causing valve seat damage, it includes valve seat holder, inside looks for middle frock, outside to look for middle frock and guide post；Valve seat holder includes chassis, top board, four support nails and four sets and connects assembly；Chassis and top board are arranged in parallel and the axial of the two is all horizontally disposed with, and four sets connect the assemblies uniform setting of circumference along chassis；Inside looks for middle frock to include mainboard, support plate, sleeve, spiral pin and three first screw part, outside look for middle frock include base plate, flange, two second screw part, two location-plates, two connecting plates and two bearings.The present invention is used for turbine high-pressure stop valve valve seat cold setting.
Description
Technical field
The present invention relates to a kind of guidance system, what be specifically related to the assembling of a kind of turbine high-pressure stop valve valve seat looks for middle guidance system, belongs to field of machining.
Background technology
The main vapour of turbine high-pressure regulates union valve valve seat with valve body assembling process, and valve seat and valve body are interference fit, are first cooled down by valve seat before assembling, behind fit-up gap to be generated, valve seat is loaded in valve body, in assembling process, valve seat and valve body produce to collide with, and very easily cause valve seat damage.
Summary of the invention
The present invention is for solving in existing valve seat cold setting process, it does not have one looks for middle guidance system, causes in assembling process, and valve seat and valve body produce to collide with, the problem very easily causing valve seat damage, and then provides a kind of valve seat cold setting with looking for middle guidance system.
The present invention solves that the problems referred to above adopt the technical scheme that: the valve seat cold setting of the present invention with looking for middle guidance system to include valve seat holder, inside looks for middle frock, outside to look for middle frock and guide post；
Valve seat holder includes chassis, top board, four support nails and four sets and connects assembly；The cross section of chassis and top board is circle, chassis and top board are arranged in parallel and the axial of the two is all horizontally disposed with, four sets connect the assembly uniform setting of circumference along chassis, chassis and top board connect assembly by four sets and connect, the edge of top board is provided with four support nails along the circumference of top board is uniform, axially axially vertical with top board of four support nails, the middle part of chassis and top board processes the first coaxial axis hole, and the end of four support nails is supported on the internal face of valve seat；
Inside looks for middle frock to include mainboard, support plate, sleeve, spiral pin and three first screw part, mainboard is cylindrical mainboard, axially being horizontally disposed with of mainboard, support plate is horizontally disposed with, the lower surface processing of support plate is fluted, the middle part processing of support plate has the bottom outlet connected with groove, the outer side surface of mainboard has axially along the circumference processing of mainboard and axially vertical four screws of mainboard, the upper end of spiral pin is screwed on the screw of the bottom of mainboard, the lower end of spiral pin is arranged in bottom outlet, three screws of the residue of mainboard have respectively screwed one first and have screwed part, the middle part processing in the plate face of mainboard has a spindle hole, spindle hole is fixed with a sleeve, on the plate face of mainboard, the uniform processing of circumference along mainboard has three through holes, on the plate face of the mainboard of the screw relative with spiral pin, processing has mounting hole, one of them through hole in three through holes connects with the screw being equipped with spiral pin, remaining two through holes and adjacent with spiral pin two screw one_to_one corresponding in three through holes connect；
Outside look for middle frock include base plate, flange, two second screw part, two location-plates, two connecting plates and two bearings；The middle part of base plate is provided with flange, just to being provided with two location-plates on the side plate face of base plate, just to being provided with two connecting plates on base plate, connecting plate is connected with location-plate, just to being fixed with two bearings in another lateral plates of base plate, two bearings are between two connecting plates, threaded on each bearing have one second to screw part, two second screw the axially identical with the length direction of base plate of part, and each second screw part and act against on corresponding connecting plate, location-plate and connecting plate can move along the length direction of base plate, relative two lateral surface of two location-plates is the arcwall face that the internal face of the flange end of the valve body with valve seat is equipped with；Guide post is through flange, the first axis hole and sleeve, and outside looks for middle frock, valve seat holder and inside to look for middle frock three to be connected as one by guide post.
The invention has the beneficial effects as follows: owing to valve seat is ring structures workpiece, need to coordinate frock to keep the center of valve seat to move along guide post in assembling kind, valve seat is in cold setting process, the guidance system of the present invention makes in valve seat and valve body assembling process, valve seat slowly assembles in valve body along guide post, the mating surface of valve seat and valve body remains concentric motion, avoid valve seat and valve body in assembling process to collide with, whole assembling process, operation is simple and reliable, improve product quality, the qualification rate of product improves more than 98%.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention, Fig. 2 is the overall structure schematic diagram of valve seat holder, Fig. 3 is the N-N direction view of Fig. 2, Fig. 4 is the overall structure schematic front view that middle frock is looked in inside, Fig. 5 is the side view of Fig. 4, Fig. 6 is the overall structure schematic top plan view that middle frock is looked in the outside in Fig. 1, Fig. 7 be Fig. 6 look up structural representation, Fig. 8 is the E-E direction view of Fig. 7, Fig. 9 is the F-F direction view of Fig. 7, Figure 10 is the H-H direction view of Fig. 7, Figure 11 is the present invention operating diagram for valve seat cold setting, Figure 12 is the structural representation of the lifting tool that the present invention uses for valve seat cold setting process auxiliary.
Detailed description of the invention
Detailed description of the invention one: illustrate in conjunction with Fig. 1-Figure 11, the valve seat cold setting of present embodiment with looking for middle guidance system to include valve seat holder A, inside looks for middle frock B, outside to look for middle frock C and guide post D；
Valve seat holder A includes chassis 1,2, four support nails of top board 3 and four sets and connects assembly 4；The cross section of chassis 1 and top board 2 is circle, chassis 1 and top board 2 are arranged in parallel and the axial of the two is all horizontally disposed with, four sets connect the assembly 4 uniform setting of circumference along chassis 1, chassis 1 and top board 2 connect assembly 4 by four sets and connect, the edge of top board 2 is provided with four support nails 3 along the circumference of top board 2 is uniform, four support nails 3 axially and top board 2 axially vertical, the middle part processing of chassis 1 and top board 2 has the first coaxial axis hole A1, and the end of four support nails 3 is supported on the internal face of valve seat 20；
Inside looks for middle frock B to include mainboard 5, support plate 6, sleeve 7, spiral pin 8 and three first screw part 9, mainboard 5 is cylindrical mainboard, axially being horizontally disposed with of mainboard 5, support plate 6 is horizontally disposed with, the lower surface of support plate 6 processes fluted 6-1, the middle part processing of support plate 6 has the bottom outlet 6-2 connected with groove 6-1, the outer side surface of mainboard 5 has axially along the circumference processing of mainboard and axially vertical four screw 5-1 of mainboard 5, the upper end of spiral pin 8 is screwed on the screw 5-1 of bottom setting of mainboard 5, the lower end of spiral pin 8 is arranged in bottom outlet 6-2, three screw 5-1 of the residue of mainboard 5 have respectively screwed one first and have screwed part 9, the middle part processing in the plate face of mainboard 5 has a spindle hole 5-2, spindle hole 5-2 is fixed with a sleeve 7, on the plate face of mainboard 5, the uniform processing of circumference along mainboard 5 has three through hole 5-3, on the plate face of the mainboard of the screw 5-1 relative with spiral pin 8, processing has mounting hole 5-4, one of them through hole 5-3 in three through hole 5-3 connects with the screw 5-1 being equipped with spiral pin 8, remaining two through hole 5-3 and adjacent with spiral pin 8 two screw 5-1 one_to_one corresponding in three through hole 5-3 connect；
Outside looks for middle frock C to include base plate 10, flange 11, two second screws part 13, two connecting plates 14 of 12, two location-plates and two bearings 15；The middle part of base plate 10 is provided with flange 11, just to being provided with two location-plates 13 on the side plate face of base plate 10, just to being provided with two connecting plates 14 on base plate 10, connecting plate 14 is connected with location-plate 13, just to being fixed with two bearings 15 in another lateral plates of base plate 10, two bearings 15 are between two connecting plates 14, threaded on each bearing 15 have one second to screw part 12, two second screw the axially identical with the length direction of base plate 10 of part 12, and each second screw part 12 and act against on corresponding connecting plate 14, location-plate 13 and connecting plate 14 can move along the length direction of base plate 10, relative two lateral surface of two location-plates 13 is the arcwall face that the internal face of the flange end of the valve body 19 with valve seat is equipped with；Guide post D is through flange the 11, first axis hole A1 and sleeve 7, and outside looks for middle frock C, valve seat holder A and inside to look for middle frock B three to be connected as one by guide post D.
On the base plate 10 of present embodiment, processing has a strip chute 21, and connecting plate 14 can move back and forth along the length direction of base plate 10 in strip chute 21, and connecting plate 14 can drive location-plate 13 to move back and forth along the length direction of base plate 10.
The spiral pin 8 of present embodiment is fixed in bottom outlet 6-2 by circlip,
Detailed description of the invention two: in conjunction with the explanation of Fig. 4 and Fig. 5, each the first of present embodiment screws part 9 for bolt.So arrange, easy to use and reliable stable.Other is identical with detailed description of the invention one.
Detailed description of the invention three: illustrate in conjunction with Fig. 6, it is bolt that each the second of present embodiment screws part 12.So arrange, simple in construction, easy to use and reliable.Other is identical with detailed description of the invention one or two.
Detailed description of the invention four: illustrate in conjunction with Fig. 3, the often set connection assembly 4 of present embodiment includes stud 4-1 and two nut 4-2, each stud 4-1 and is located on chassis 1 and top board 2, and the two ends of each stud 4-1 have respectively screwed a nut 4-2.So arrange, simple in construction, easy accessibility, it is simple to the connection of chassis 1 and top board 2 uses.Other is identical with detailed description of the invention three.
Detailed description of the invention five: illustrate in conjunction with Fig. 7, described in present embodiment, outside looks for middle frock C also to include eight screws 16, and on each location-plate 13, processing has four mounting hole 13-1, and each screw 16 is also screwed on base plate 10 through corresponding mounting hole 13-1.So arrange, it is easy to fixing base plate, also allow for location-plate to slide along the length direction of base plate simultaneously, on the base plate 10 of present embodiment, processing has a strip chute 21, connecting plate 14 can move back and forth along the length direction of base plate 10 in strip chute 21, connecting plate 14 drives location-plate 13 to move back and forth along the length direction of base plate 10, it is ensured that relative two lateral surface of two location-plates 13 acts against on the internal face of valve body, it is achieved outside looks for middle frock C to be fixed on valve body.Other with detailed description of the invention one, two or four identical.
Detailed description of the invention six: in conjunction with Fig. 6 and Fig. 7 explanation, outside described in present embodiment looks for middle frock C also to include two stay tubes 17, being connected with axially vertically arranged two stay tube 17 in another lateral plates of base plate 10, two connecting plates 14 are between two stay tubes 17.So arranging, when present embodiment uses, two stay tubes 17 are used for installing jack, it is to avoid the release stress in valve seat cooling procedure is deformed, it is ensured that the cold setting of valve seat and valve body.Other is identical with detailed description of the invention five.
Detailed description of the invention seven: illustrate in conjunction with Fig. 3, valve seat holder A described in present embodiment also includes four and presses closer screw 18, and each support nail 3 is connected with top board 2 by the screw 18 that presses closer being screwed on top board 2.So arrange, it is simple to fix and press closer screw 18, easy to use.Other with detailed description of the invention one, two, four or six identical.
Work process
In conjunction with Fig. 1-Figure 12 explanation, the present invention adopts assembled tool to coordinate valve seat cold setting, owing to valve seat is ring structures workpiece, it is necessary to coordinate frock to keep the center of valve seat to move along guide post in assembling kind, therefore, valve seat guide post is fixed, needing two fulcrums, a fulcrum fixes on valve inner, and another fulcrum fixes on outside valve body, the valve seat after cooling is made to be loaded valve inner by outside valve body along guide post after subject-oriented bar is fixing, specific as follows:
Inside is looked for middle frock B be installed in valve body 19, inside looks for the support plate 6 with spiral pin 8 of middle frock to be supported on the lower end inner wall face of valve body 19, three the first ends screwing part 9 are acted against on the internal face of valve body 19, rotate second and screw part 12, second rotation screwing part 12 leans corresponding connecting plate 14, two connecting plate 14 move toward one another, drive connected two the location-plates 13 lateral direction move toward one another along base plate 10 of moving of connecting plate 14, relative two lateral surface (arcwall face) of two location-plates 13 act against in the interior sidewall surface of flange end of valve body 19, now, outside looks for middle frock C to be installed on the internal face of flange end of valve body 19；
Then, it is directed to bar D and looks for the flange 11 of middle frock C through outside, inside is looked in the sleeve 7 of middle frock B, utilize dial gauge, inside is looked for respectively middle frock B by valve seat fitting surface centering within 0.1mm, outside is looked for middle frock C by the endoporus centering of valve flange end within 0.1mm, simultaneously, outside is looked for middle frock C pull down after making marks, now valve seat holder A is packed on valve seat 20, four support nails 3 are kept to act against on the internal face of valve seat 20, keep valve seat 20 reliable and stable firmly, by lifting tool K (as shown in figure 12), valve seat 20 after cooling and valve seat holder A mono-are placed in valve body 19 endoporus, again middle frock C is looked for by mark position and outside installing as procedure described above, it is directed to bar D penetrate outside successively and look for the flange 11 of middle frock, the first axis hole A1 of valve seat holder A and inside are looked in the sleeve 7 of middle frock B, operator are to lifting tool applied thrust, valve seat 20 and valve seat holder A is allowed slowly to move the appointment position being mounted in valve body along guide post D.The present invention is applicable to turbine high-pressure stop valve valve seat cold setting, it is possible to increase product quality.
Claims (7)
1. valve seat cold setting is with looking for middle guidance system, it is characterised in that: it includes valve seat holder (A), inside looks for middle frock (B), outside to look for middle frock (C) and guide post (D)；
Valve seat holder (A) includes chassis (1), top board (2), four support nails (3) and four sets and connects assembly (4)；The cross section of chassis (1) and top board (2) is circle, chassis (1) and top board (2) are arranged in parallel and the axial of the two is all horizontally disposed with, four sets connect the assembly (4) the uniform setting of circumference along chassis (1), chassis (1) and top board (2) connect assembly (4) by four sets and connect, the edge of top board (2) is provided with four support nails (3) along the circumference of top board (2) is uniform, four support nails (3) axially and top board (2) axially vertical, the middle part processing of chassis (1) and top board (2) has coaxial the first axis hole (A1), the end of four support nails (3) is supported on the internal face of valve seat (20)；
Inside looks for middle frock (B) to include mainboard (5), support plate (6), sleeve (7), spiral pin (8) and three first screw part (9), mainboard (5) is cylindrical mainboard, axially being horizontally disposed with of mainboard (5), support plate (6) is horizontally disposed with, the lower surface of support plate (6) processes fluted (6-1), the middle part processing of support plate (6) has the bottom outlet (6-2) connected with groove (6-1), the outer side surface of mainboard (5) has axially along the circumference processing of mainboard and axially vertical four screws (5-1) of mainboard (5), the upper end of spiral pin (8) is screwed on the screw (5-1) of bottom setting of mainboard (5), the lower end of spiral pin (8) is arranged in bottom outlet (6-2), three screws (5-1) of the residue of mainboard (5) have respectively screwed one first and have screwed part (9), the middle part processing in the plate face of mainboard (5) has a spindle hole (5-2), spindle hole (5-2) is fixed with a sleeve (7), the plate face of mainboard (5) there are three through holes (5-3) along the uniform processing of circumference of mainboard (5), on the plate face of the mainboard of the screw (5-1) relative with spiral pin (8), processing has mounting hole (5-4), one of them through hole (5-3) in three through holes (5-3) connects with the screw (5-1) being equipped with spiral pin (8), remaining two through holes (5-3) and two screw (5-1) one_to_one corresponding adjacent with spiral pin (8) in three through holes (5-3) connect；
Outside look for middle frock (C) include base plate (10), flange (11), two second screw part (12), two location-plates (13), two connecting plates (14) and two bearings (15)；The middle part of base plate (10) is provided with flange 11, just to being provided with two location-plates (13) on the side plate face of base plate (10), just to being provided with two connecting plates (14) on base plate (10), connecting plate (14) is connected with location-plate (13), just to being fixed with two bearings (15) in another lateral plates of base plate (10), two bearings (15) are positioned between two connecting plates (14), each bearing (15) is above threaded has one second to screw part (12), two second screw the axially identical with the length direction of base plate (10) of part (12), and each second screw part (12) and act against on corresponding connecting plate (14), location-plate (13) and connecting plate (14) can move along the length direction of base plate (10), relative two lateral surface of two location-plates (13) is the arcwall face that the internal face of the flange end of the valve body (19) with valve seat is equipped with；Guide post (D) is through flange (11), the first axis hole (A1) and sleeve (7), and outside looks for middle frock (C), valve seat holder (A) and inside to look for middle frock (B) three to be connected as one by guide post (D).
2. valve seat cold setting according to claim 1 is with looking for middle guidance system, it is characterised in that: each first to screw part (9) be bolt.
3. valve seat cold setting according to claim 1 and 2 is with looking for middle guidance system, it is characterised in that: each second to screw part (12) be bolt.
4. valve seat cold setting according to claim 3 is with looking for middle guidance system, it is characterized in that: often set connects assembly (4) and includes stud (4-1) and two nuts (4-2), each stud (4-1) is located on chassis (1) and top board (2), and the two ends of each stud (4-1) have respectively screwed a nut (4-2).
5. the valve seat cold setting according to claim 1,2 or 4 is with looking for middle guidance system, it is characterized in that: described outside looks for middle frock (C) also to include eight screws (16), the upper processing of each location-plate (13) has four mounting holes (13-1), and each screw (16) is through corresponding mounting hole (13-1) and is screwed on base plate (10).
6. valve seat cold setting according to claim 5 is with looking for middle guidance system, it is characterized in that: described outside looks for middle frock (C) also to include two stay tubes (17), being connected with axially vertically arranged two stay tube (17) in another lateral plates of base plate (10), two connecting plates (14) are positioned between two stay tubes (17).
7. the valve seat cold setting according to claim 1,2,4 or 6 is with looking for middle guidance system, it is characterized in that: described valve seat holder (A) also includes four and presses closer screw (18), each support nail (3) is connected with top board (2) by the screw (18) that presses closer being screwed on top board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410649083.7A CN104384901B (en) | 2014-11-14 | 2014-11-14 | Valve seat cold setting is with looking for middle guidance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410649083.7A CN104384901B (en) | 2014-11-14 | 2014-11-14 | Valve seat cold setting is with looking for middle guidance system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104384901A CN104384901A (en) | 2015-03-04 |
| CN104384901B true CN104384901B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410649083.7A Active CN104384901B (en) | 2014-11-14 | 2014-11-14 | Valve seat cold setting is with looking for middle guidance system |
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| Country | Link |
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| CN (1) | CN104384901B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909668B (en) * | 2019-03-25 | 2024-02-06 | 山西阳煤化工机械（集团）有限公司 | Water-cooled wall assembling tool and water-cooled wall assembling method |
| CN110695658A (en) * | 2019-10-23 | 2020-01-17 | 江苏神通阀门股份有限公司 | Assembly process for valve seat of track ball valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882829A (en) * | 1988-08-23 | 1989-11-28 | Dawe Peter H | Device for accurately positioning and aligning a guide sleeve into a bore of a cylinder head |
| CN201020614Y (en) * | 2007-02-12 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Pressure head transversely displaced floating workposition press-loading device |
| CN201109023Y (en) * | 2007-07-27 | 2008-09-03 | 比亚迪股份有限公司 | Valve-seat assembling device |
| CN202591953U (en) * | 2012-06-21 | 2012-12-12 | 哈尔滨汽轮机厂有限责任公司 | Adjustable bracket for assembling air cylinder |
| CN203765517U (en) * | 2014-04-11 | 2014-08-13 | 德尔福（上海）动力推进系统有限公司 | Guide ring positioning tool in process of assembling fuel injector valve seat |
-
2014
- 2014-11-14 CN CN201410649083.7A patent/CN104384901B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882829A (en) * | 1988-08-23 | 1989-11-28 | Dawe Peter H | Device for accurately positioning and aligning a guide sleeve into a bore of a cylinder head |
| CN201020614Y (en) * | 2007-02-12 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Pressure head transversely displaced floating workposition press-loading device |
| CN201109023Y (en) * | 2007-07-27 | 2008-09-03 | 比亚迪股份有限公司 | Valve-seat assembling device |
| CN202591953U (en) * | 2012-06-21 | 2012-12-12 | 哈尔滨汽轮机厂有限责任公司 | Adjustable bracket for assembling air cylinder |
| CN203765517U (en) * | 2014-04-11 | 2014-08-13 | 德尔福（上海）动力推进系统有限公司 | Guide ring positioning tool in process of assembling fuel injector valve seat |
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| Publication number | Publication date |
|---|---|
| CN104384901A (en) | 2015-03-04 |
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Effective date of registration: 20230103 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |
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