CN113319775B - Be used for nuclear power station main pump mechanical seal equipment positioning tool - Google Patents
Be used for nuclear power station main pump mechanical seal equipment positioning tool Download PDFInfo
- Publication number
- CN113319775B CN113319775B CN202110404867.3A CN202110404867A CN113319775B CN 113319775 B CN113319775 B CN 113319775B CN 202110404867 A CN202110404867 A CN 202110404867A CN 113319775 B CN113319775 B CN 113319775B
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- positioning
- sliding
- slide rail
- clamping
- nuclear power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention relates to the field of mechanical seal of a nuclear power station main pump, in particular to an assembling and positioning tool for the mechanical seal of the nuclear power station main pump, which comprises clamping blocks symmetrically clamped on the outer side of the top of an outer ring, wherein the top of each clamping block is fixedly connected with a guide frame, the middle part of each guide frame is rotatably connected with a transverse slide rail, the transverse slide rail is vertically arranged along the guide frame in a sliding manner, the transverse slide rail is connected with a longitudinal slide rail in a sliding manner, the transverse slide rail is connected with two first clamping rods in a sliding manner, and the longitudinal slide rail is connected with two second clamping rods in a sliding manner; the two first clamping rods are respectively positioned at two sides of the longitudinal slide rail, and the two second clamping rods are respectively positioned at two sides of the transverse slide rail; the bottom of the longitudinal slide rail is slidably connected with a telescopic assembly, the bottom of the telescopic assembly is provided with a positioning part, and the bottom of the positioning part is detachably connected with a pin. The invention can realize quick positioning and quick installation in the assembling and installing process of the mechanical seal of the main pump of the nuclear power station.
Description
Technical Field
The invention relates to the field of mechanical seals of main pumps of nuclear power plants, in particular to an assembling and positioning tool for the mechanical seals of the main pumps of the nuclear power plants.
Background
The nuclear main pump is a pump for driving coolant to circulate in an RCP (reactor coolant system) system in a nuclear island primary circuit system. The main pump is positioned at the heart of the nuclear island and used for pumping hot water into the evaporator to convert heat energy, and is the key for controlling water circulation in nuclear power operation.
During the assembling process of the mechanical seal of the nuclear power plant main pump, the insert and the outer ring need to be assembled. As shown in figure 1, after the insert falls down, the pin hole of the insert needs to be matched with the pin in the middle of the outer ring, and in actual work, after the insert falls down, the matched position of the pin hole of the insert and the pin in the middle is covered, visual positioning cannot be realized, multiple times of trial assembly is often needed to be in place, and the risk of damage to the seal ring of the insert in the installation process is increased.
Therefore, a tool for assembling and positioning a mechanical seal of a main pump of a nuclear power plant is needed.
Disclosure of Invention
The invention aims to provide a tool for assembling and positioning a mechanical seal of a main pump of a nuclear power station, which is used for solving the problems and realizing quick positioning and quick installation in the assembling and installing process of the mechanical seal of the main pump of the nuclear power station.
In order to achieve the purpose, the invention provides the following scheme:
a mechanical seal assembling and positioning tool for a nuclear power station main pump comprises clamping blocks symmetrically clamped on the outer side of the top of an outer ring, wherein a guide frame is fixedly connected to the top of each clamping block, a transverse slide rail is rotatably connected to the middle of the guide frame and vertically arranged along the guide frame in a sliding manner, a longitudinal slide rail is connected to the transverse slide rail in a sliding manner, two first clamping rods are connected to the transverse slide rail in a sliding manner, and two second clamping rods are connected to the longitudinal slide rail in a sliding manner;
the two first clamping rods are respectively positioned on two sides of the longitudinal slide rail, and the two second clamping rods are respectively positioned on two sides of the transverse slide rail;
the bottom of the longitudinal slide rail is slidably connected with a telescopic assembly, the bottom of the telescopic assembly is provided with a positioning part, and the bottom of the positioning part is detachably connected with a pin.
Preferably, the guide frame is of an Contraband-shaped structure with a downward opening, vertical sliding blocks are connected to the upright posts on two sides of the guide frame in a sliding mode, rotating shaft holes are formed in the opposite side faces of the two vertical sliding blocks, and two ends of the transverse sliding rail are in running fit with the rotating shaft holes.
Preferably, sliding connection has two horizontal sliders on the horizontal slide rail, two first clamp rod respectively with horizontal slider fixed connection, every first clamp rod includes first upper boom and first lower beam, first upper boom, first lower beam respectively fixed connection be in the top surface and the bottom surface of horizontal slider, two horizontal slider is located respectively vertical slide rail both sides.
Preferably, the middle part of the transverse sliding rail is connected with a connecting sliding block in a sliding manner, the middle part of the longitudinal sliding rail is fixedly connected with the top of the connecting sliding block, the bottom of the connecting sliding block is connected with a longitudinal sliding plate in a sliding manner, and the telescopic assembly is fixedly connected to the bottom surface of the longitudinal sliding plate.
Preferably, the telescopic component is a telescopic rod, the top end of the telescopic rod is fixedly connected with the bottom surface of the longitudinal sliding plate, the bottom end of the telescopic rod is fixedly connected with the positioning portion, the positioning portion is a positioning block, and a pin hole is formed in the bottom surface of the positioning block.
Preferably, sliding connection has two vertical sliders on the vertical slide rail, two the second presss from both sides tight pole respectively with vertical slider fixed connection, every the second presss from both sides tight pole and includes second upper boom and second lower beam, second upper boom, second lower beam respectively fixed connection be in the top surface and the bottom surface of vertical slider, two vertical slider is located respectively horizontal slide rail both sides.
Preferably, the bottom surfaces of the opposite sides of the clamping blocks are provided with clamping grooves, and the clamping grooves are matched with the outer contour of the outer ring.
Preferably, two opposite side walls of the first clamping rod and two opposite side walls of the second clamping rod are provided with concave circular arc structures.
The invention has the following technical effects:
when the positioning device is used, the clamping block is clamped with the top of the outer ring, the pin is firstly detached from the positioning part, then the positioning part is pushed to enable the positioning part to be matched with the middle pin of the outer ring, at the moment, a marking pen is used for drawing the relative position degree of the aligned pin on the transverse slide rail and the longitudinal slide rail, then the inserting piece is placed in the reverse direction, the pin is inserted into the positioning part, the pin is manually pushed to move along the longitudinal slide rail and the transverse slide rail, the pin is enabled to be aligned with the pin hole position of the inserting piece, the moving position of the pin is enabled to be consistent with the previous position, then the two first clamping rods and the two second clamping rods are manually pushed to approach the inserting piece, and when the marking pen is attached to the inserting piece, the relative position degrees of the two first clamping rods and the two second clamping rods are drawn on the transverse slide rail and the longitudinal slide rail, and the positioning of the inserting piece is completed. Then, the insert is turned over, the insert is clamped again by the two first clamping rods and the two second clamping rods, the insert is placed into the outer ring, and quick installation can be achieved, and the insert is already inserted in an aligned mode in the early stage, so that damage to the sealing ring can be avoided; an insert with an upward insert pin hole can be placed between the tops of the two first clamping rods and the tops of the two second clamping rods, then the insert above is turned over by rotating the transverse sliding rails, and at the moment, the insert is directly placed into the outer ring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a prior art mating structure;
FIG. 2 is a schematic view of a prior art insert construction;
FIG. 3 is a schematic structural diagram of a use state of the present invention;
FIG. 4 is a schematic view of another embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the connecting slider and the longitudinal sliding plate of the present invention;
FIG. 6 is a schematic view of a structure of the guide frame and the lateral sliding block according to a second embodiment of the present invention;
FIG. 7 is a schematic view of a structure of a second connecting slider and a longitudinal sliding plate according to an embodiment of the present invention;
FIG. 8 is a schematic view of a structure of the guide frame and the lateral sliding block according to a third embodiment of the present invention;
FIG. 9 is a schematic view of a structure of a third connecting slider and a longitudinal sliding plate according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a fourth embodiment of the present invention.
Reference numeral, 1, outer ring; 101. a middle pin; 2. an insert; 201. an insert pin hole; 3. a clamping block; 301. a clamping groove; 4. a guide frame; 401. a gear; 402. a connecting shaft; 403. rotating the nut; 404. a rotating electric machine; 405. a magnetic scale; 5. a transverse slide rail; 501. a vertical slide block; 6. a first clamping bar; 601. a transverse slide block; 7. connecting the sliding block; 8. a longitudinal slide rail; 9. a second clamping bar; 901. a longitudinal slide block; 10. a longitudinal slide; 1001. a telescopic rod; 1002. positioning blocks; 1003. a pin hole; 11. a seal ring; 12. a fixing pin; 13. a limit bolt; 14. a vertical fixing plate; 1401. a vertical motor; 1402. a transverse slide rail; 15. a push plate; 1501. a push groove; 16. a roller; 1601. a sliding connection block; 1602. the rod is pushed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
referring to fig. 1-5, the embodiment provides a mechanical seal assembling and positioning tool for a nuclear power station main pump, which includes a clamping block 3 symmetrically clamped on the outer side of the top of an outer ring 1, a guide frame 4 is fixedly connected to the top of the clamping block 3, a transverse slide rail 5 is rotatably connected to the middle of the guide frame 4, the transverse slide rail 5 is vertically arranged along the guide frame 4 in a sliding manner, a longitudinal slide rail 8 is slidably connected to the transverse slide rail 5, two first clamping rods 6 are slidably connected to the transverse slide rail 5, and two second clamping rods 9 are slidably connected to the longitudinal slide rail 8;
the two first clamping rods 6 are respectively positioned at two sides of the longitudinal slide rail 8, and the two second clamping rods 9 are respectively positioned at two sides of the transverse slide rail 5;
the bottom of the longitudinal slide rail 8 is slidably connected with a telescopic assembly, the bottom of the telescopic assembly is provided with a positioning part, and the bottom of the positioning part is detachably connected with a pin.
When the invention is used, the clamping block 3 is clamped with the top of the outer ring 1, the pin is firstly disassembled in the positioning part, then the positioning part is pushed to enable the positioning part to be matched with the middle pin 101 of the outer ring 1, at the moment, the marker pen is used for drawing the relative position degree after aligning on the transverse slide rail 5 and the longitudinal slide rail 8, then the insert 2 is placed reversely, the pin is inserted into the positioning part, the pin is manually pushed to move along the longitudinal slide rail 8 and the transverse slide rail 5, the pin is aligned with the insert pin hole 201 of the insert 2, the moving position of the pin is consistent with the previous position, then the two first clamping rods 6 and the two second clamping rods 9 are manually pushed to approach the insert 2, when the marker pen is attached to the insert 2, the relative position degrees of the two first clamping rods 6 and the two second clamping rods 9 are drawn on the transverse slide rail 5 and the longitudinal slide rail 8, the positioning of the insert 2 is completed. Then, the insert 2 is turned over, the insert 2 is clamped again by using the two first clamping rods 6 and the two second clamping rods 9, and the insert 2 is placed into the outer ring 1, so that quick installation can be realized, and the seal ring 11 can be prevented from being damaged because the insert 2 is already aligned in the early stage; it is also possible to place an insert 2 with an upward insert pin hole 201 between the tops of the two first clamping bars 6 and the two second clamping bars 9, and then turn the upper insert 2 by rotating the transverse slide 5, at which time the insert 2 is directly placed into the outer ring 1.
According to the further optimization scheme, the guide frame 4 is of an Contraband-shaped structure with a downward opening, the upright posts on two sides of the guide frame 4 are connected with vertical sliding blocks 501 in a sliding mode, the opposite side faces of the two vertical sliding blocks 501 are provided with rotating shaft holes, and two ends of the transverse sliding rail 5 are in running fit with the rotating shaft holes.
Further optimize the scheme, sliding connection has two horizontal sliders 601 on horizontal slide rail 5, and two first clamp bars 6 respectively with horizontal slider 601 fixed connection, every first clamp bar 6 includes first upper boom and first lower beam, first upper boom, first lower beam fixed connection respectively are at the top surface and the bottom surface of horizontal slider 601, and two horizontal sliders 601 are located vertical slide rail 8 both sides respectively.
Further optimization scheme, the middle part of horizontal slide rail 5 is connected with link block 7 in a sliding manner, the middle part of vertical slide rail 8 and the top of link block 7 are fixedly connected, the bottom of link block 7 is connected with vertical slide plate 10 in a sliding manner, and flexible subassembly fixed connection is in vertical slide plate 10 bottom surface.
Further optimize the scheme, the flexible subassembly is telescopic link 1001, telescopic link 1001 top and vertical slide 10 bottom surface fixed connection, telescopic link 1001 bottom and location portion fixed connection, location portion is locating piece 1002, and cotter hole 1003 has been seted up to locating piece 1002 bottom surface, telescopic link 1001 bottom and locating piece 1002 top fixed connection.
According to a further optimized scheme, the longitudinal slide rail 8 is connected with two longitudinal sliders 901 in a sliding manner, the two second clamping rods 9 are respectively and fixedly connected with the longitudinal sliders 901, each second clamping rod 9 comprises a second upper rod and a second lower rod, the second upper rods and the second lower rods are respectively and fixedly connected to the top surface and the bottom surface of the longitudinal slider 901, and the two longitudinal sliders 901 are respectively located on two sides of the transverse slide rail 5.
In a further optimized scheme, the bottom surface of the opposite side of the clamping block 3 is provided with a clamping groove 301, and the clamping groove 301 is matched with the outer contour of the outer ring 1.
In a further optimized scheme, the opposite side walls of the two first clamping rods 6 and the opposite side walls of the two second clamping rods 9 are provided with concave arc structures.
Example two:
the difference between the sealing assembly positioning tool of the present embodiment shown in fig. 6-7 and the first embodiment is that the telescopic rod 1001 is an electric telescopic rod, the side walls of the guide frame 4, the transverse slide rail 5, the longitudinal slide rail 8 and the longitudinal slide plate 10 are fixedly connected with racks, the vertical slide block 501, the transverse slide block 601, the connecting slide block 7 and the longitudinal slide block 901 are rotatably connected with a gear 401, the gear 401 is coupled with a connecting shaft 402, the connecting shaft 402 is rotatably connected with the vertical slide block 501, the transverse slide block 601, the connecting slide block 7 and the longitudinal slide block 901, and one end of the connecting shaft 402, which is far away from the gear 401, is connected with a rotating nut 403 through a thread.
Through the mutual matching of the rotary nut 403, the gear 401 and the connecting shaft 402, after the positioning block 1002, the first clamping rod 6 and the second clamping rod 9 move to a given position, the relative rotation of the gear 401 can be limited by screwing the rotary nut 403, so that the relative positions of the positioning block 1002, the first clamping rod 6 and the second clamping rod 9 are fixed, and the operation of a positioning tool is further facilitated.
Example three:
referring to fig. 8 to 9, the sealing assembly positioning tool of the present embodiment is different from the first embodiment only in that one end of the connecting shaft 402, which is away from the gear 401, is coupled with a rotating motor 404, a magnetic scale 405 is respectively disposed between the guide frame 4 and the vertical slider 501, between the transverse slide rail 5 and the transverse slider 601, between the transverse slide rail 5 and the connecting slider 7, and between the longitudinal slide rail 8 and the longitudinal slider 901, the connecting slider 7 and the longitudinal slide plate 10 are respectively provided with a magnetic scale 405, and the magnetic scale 405 and the rotating motor 404 are respectively electrically connected with a PLC controller and a power supply.
Through setting up magnetic scale 405 and being used for the relative position degree between vertical slider 501, horizontal slider 601, link block 7, vertical slider 901, the vertical slide 10 of record to with signal transmission to PLC controller, PLC controller control rotating electrical machines 404 rotates, thereby control each moving part and control each part operation according to the relative position control that magnetic scale 405 surveyed, make the installation more convenient.
Example four:
referring to fig. 10, the sealing assembly positioning tool of the present embodiment is different from the first embodiment only in that the positioning block 1002 is detachably connected with a detaching assembly, the detaching assembly includes a fixing pin 12 inserted into a pin hole 1003, a detaching hole is formed in a side wall of the positioning block 1002, a connecting hole is formed in a side wall of the fixing pin 12, a limiting bolt 13 is inserted into the detaching hole and the connecting hole in a matching manner, a vertical fixing plate 14 is fixedly connected to the bottom of the fixing pin 12, a vertical motor 1401 is fixedly connected to one side of the vertical fixing plate 14, a transverse slide rail 1402 is fixedly connected to the bottom of the vertical fixing plate 14, a pushing plate 15 is fixedly connected to an output end of the vertical motor 1401, two inclined pushing grooves 1501 are formed in a side wall of the pushing plate 15, the pushing grooves 1501 are arranged in an inclined manner, a roller 16 is slidably fitted in the pushing grooves 1501, the roller 16 is rotatably connected with a slide connecting block 1601, the slide connecting block 1601 is slidably fitted with the transverse slide rail 1402, the end of the outer side of the sliding connection block 1601 is fixedly connected with a push rod 1602.
This embodiment can be used for dismantling when needing to dismantle insert 2, insert fixed pin 12 in the pin hole 1003 of locating piece 1002, fix fixed pin 12 through stop bolt 13, then remove push rod 1602 and put into to the recess at insert 2 top, as shown in fig. 10, extension through control vertical motor 1401 promotes the slurcam 15 and moves down, two promotion grooves 1501 on the slurcam 15 promote gyro wheel 16 and move to both sides, thereby drive sliding connection piece 1601 slides to both sides, make push rod 1602 chucking insert 2's groove side wall, the upward operation of transverse sliding rail 5 of the re-control can extract insert 2, through setting up the dismantlement subassembly, make things convenient for the dismantlement process of sealing member, reduce nuclear radiation to maintenance personal's health damage.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a be used for nuclear power station main pump mechanical seal equipment positioning tool which characterized in that: the clamping device comprises clamping blocks (3) symmetrically clamped on the outer side of the top of an outer ring (1), wherein the top of each clamping block (3) is fixedly connected with a guide frame (4), the middle of each guide frame (4) is rotatably connected with a transverse slide rail (5), the transverse slide rails (5) are vertically arranged along the guide frames (4) in a sliding manner, the transverse slide rails (5) are connected with longitudinal slide rails (8) in a sliding manner, the transverse slide rails (5) are connected with two first clamping rods (6) in a sliding manner, and the longitudinal slide rails (8) are connected with two second clamping rods (9) in a sliding manner;
the two first clamping rods (6) are respectively positioned at two sides of the longitudinal sliding rail (8), and the two second clamping rods (9) are respectively positioned at two sides of the transverse sliding rail (5);
the bottom of the longitudinal sliding rail (8) is connected with a telescopic assembly in a sliding mode, a positioning portion is arranged at the bottom of the telescopic assembly, and a pin is detachably connected to the bottom of the positioning portion.
2. The tool for assembling and positioning the mechanical seal of the main pump of the nuclear power plant as claimed in claim 1, wherein: the guide frame (4) is of an Contraband-shaped structure with a downward opening, vertical sliding blocks (501) are connected to the upright posts on two sides of the guide frame (4) in a sliding mode, rotating shaft holes are formed in the opposite side faces of the two vertical sliding blocks (501), and two ends of the transverse sliding rail (5) are in running fit with the rotating shaft holes.
3. The tool for assembling and positioning the mechanical seal of the main pump of the nuclear power plant as claimed in claim 1, wherein: sliding connection has two horizontal slider (601) on horizontal slide rail (5), two first clamp rod (6) respectively with horizontal slider (601) fixed connection, every first clamp rod (6) include first upper boom and first lower beam, first upper boom, first lower beam respectively fixed connection be in the top surface and the bottom surface of horizontal slider (601), two horizontal slider (601) are located respectively vertical slide rail (8) both sides.
4. The tool for assembling and positioning the mechanical seal of the main pump of the nuclear power plant as claimed in claim 1, wherein: the middle part of the transverse sliding rail (5) is connected with a connecting sliding block (7) in a sliding mode, the middle part of the longitudinal sliding rail (8) is fixedly connected with the top of the connecting sliding block (7), the bottom of the connecting sliding block (7) is connected with a longitudinal sliding plate (10) in a sliding mode, and the telescopic assembly is fixedly connected to the bottom surface of the longitudinal sliding plate (10).
5. The tool for assembling and positioning the mechanical seal of the main pump of the nuclear power plant as claimed in claim 4, wherein: the telescopic component is a telescopic rod (1001), the top end of the telescopic rod (1001) is fixedly connected with the bottom surface of the longitudinal sliding plate (10), the bottom end of the telescopic rod (1001) is fixedly connected with the positioning portion, the positioning portion is a positioning block (1002), and a pin hole (1003) is formed in the bottom surface of the positioning block (1002).
6. The tool for assembling and positioning the mechanical seal of the main pump of the nuclear power plant as claimed in claim 1, wherein: the longitudinal sliding rail (8) is connected with two longitudinal sliding blocks (901) in a sliding mode, the two second clamping rods (9) are fixedly connected with the longitudinal sliding blocks (901) respectively, each second clamping rod (9) comprises a second upper rod and a second lower rod, the second upper rods and the second lower rods are fixedly connected to the top surface and the bottom surface of the longitudinal sliding blocks (901) respectively, and the two longitudinal sliding blocks (901) are located on two sides of the transverse sliding rail (5) respectively.
7. The tool for assembling and positioning the mechanical seal of the main pump of the nuclear power plant as claimed in claim 1, wherein: the bottom surface of the opposite side of the clamping block (3) is provided with a clamping groove (301), and the clamping groove (301) is matched with the outer contour of the outer ring (1).
8. The tool for assembling and positioning the mechanical seal of the main pump of the nuclear power plant as claimed in claim 1, wherein: the opposite side walls of the two first clamping rods (6) and the opposite side walls of the two second clamping rods (9) are provided with concave arc structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110404867.3A CN113319775B (en) | 2021-04-15 | 2021-04-15 | Be used for nuclear power station main pump mechanical seal equipment positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110404867.3A CN113319775B (en) | 2021-04-15 | 2021-04-15 | Be used for nuclear power station main pump mechanical seal equipment positioning tool |
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| Publication Number | Publication Date |
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| CN113319775A CN113319775A (en) | 2021-08-31 |
| CN113319775B true CN113319775B (en) | 2022-06-14 |
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| CN202110404867.3A Active CN113319775B (en) | 2021-04-15 | 2021-04-15 | Be used for nuclear power station main pump mechanical seal equipment positioning tool |
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| CN209466169U (en) * | 2018-11-09 | 2019-10-08 | 重庆市圣好普机械工业有限公司 | A kind of engine gudgeon pin snap ring compression tooling |
| CN112025590A (en) * | 2020-09-10 | 2020-12-04 | 河北通嘉宏盛科技有限公司 | Vacuum pump device capable of being fixed quickly and using method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673373A (en) * | 2018-05-24 | 2018-10-19 | 中信戴卡股份有限公司 | A kind of fixture of hub surface patch balance weight |
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2021
- 2021-04-15 CN CN202110404867.3A patent/CN113319775B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106002819A (en) * | 2016-07-15 | 2016-10-12 | 艾迪机器(杭州)有限公司 | Special tool for mounting mechanical seal of cam pump |
| KR20190047461A (en) * | 2017-10-27 | 2019-05-08 | 국방과학연구소 | Puller for separating damping coupler from steering motor and method for separating damping coupler from steering motor using the same |
| CN207943558U (en) * | 2017-12-27 | 2018-10-09 | 上汽通用汽车有限公司 | The standardization hopper positioning and locking grappling fixture of adjustable crawl size |
| CN208375163U (en) * | 2018-05-24 | 2019-01-15 | 德阳市中恒重工机械有限公司 | The rotor and spindle mounted tooling of steam turbine and generator |
| CN209466169U (en) * | 2018-11-09 | 2019-10-08 | 重庆市圣好普机械工业有限公司 | A kind of engine gudgeon pin snap ring compression tooling |
| CN112025590A (en) * | 2020-09-10 | 2020-12-04 | 河北通嘉宏盛科技有限公司 | Vacuum pump device capable of being fixed quickly and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN113319775A (en) | 2021-08-31 |
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