CN201848718U - Drilling fixture system for support plate of nuclear power plant evaporator tube - Google Patents
Drilling fixture system for support plate of nuclear power plant evaporator tube Download PDFInfo
- Publication number
- CN201848718U CN201848718U CN2010202734098U CN201020273409U CN201848718U CN 201848718 U CN201848718 U CN 201848718U CN 2010202734098 U CN2010202734098 U CN 2010202734098U CN 201020273409 U CN201020273409 U CN 201020273409U CN 201848718 U CN201848718 U CN 201848718U
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- nuclear power
- tapered member
- gripper shoe
- power station
- boring grab
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Abstract
The utility model provides a drilling fixture system for a support plate of a nuclear power plant evaporator tube, wherein the support plate of the nuclear power plant evaporator tube comprises a plurality of pull rod holes; the drilling fixture system comprises a plurality of positioning seats which are arranged on a base, positioning pieces, clamping pieces and a plurality of auxiliary support anti-vibration devices; wherein the top faces of the plurality of positioning seats are located at the same Z-axis plane; the plurality of positioning seats are respectively corresponding to the plurality of pull rod holes; the positioning pieces and the clamping pieces penetrate the corresponding pull rod holes and are assembled in respectively corresponding positioning seats, thereby realizing six-point positioning of the support plate of the nuclear power plant evaporator tube; the plurality of auxiliary support anti-vibration devices are arranged between the base and the support plate of the nuclear power plant evaporator tube, so as to retard the deformation and vibration of the support plate of the nuclear power plant evaporator tube during the process of manufacturing.
Description
[technical field]
The utility model relates to a kind of boring grab system.Particularly, the utility model relates to a kind of boring grab system that is used for nuclear power station evaporimeter pipe gripper shoe on the multi-axis numerical control drilling machine.
[background technology]
Present nuclear power station is to utilize nuclear fuel that a large amount of heat energy take place to fission and produce in the equipment of a kind of crying " reactor ", with the water that is under the high pressure heat energy is taken out of again, produces steam in steam generator, and steam promotes gas-turbine-generating set generating.Wherein nuclear power station steam generator tube supports plate (hereinafter to be referred as gripper shoe) is the vital part that supports U type heat-transfer pipe in the steam generator, is that caryoplasm is protected 1 grade of product.It is big that this gripper shoe has a diameter, thin thickness, the characteristics that the hole is many.For example third generation AP1000 gripper shoe diameter is about 3880mm, thick about 28mm, heavily about 2859kg, the about 1162kg of incision bits weight is bored in boring back, has approximately excised the weight of gripper shoe 40% after promptly holing, so in the process rigidity of gripper shoe in continuous reduction.These characteristics of gripper shoe make has special requirement to its boring grab system that processes: 1) guarantee all required precisions of aperture, pitch-row of gripper shoe boring back; 2) guarantee that the unevenness of gripper shoe processing rear surface changes the requirement of≤5～6mm; 3) guarantee that when borehole axial power was big, gripper shoe can not produce big deformation of unevenness, 4) requirement of under the vibration of different frequency, not resonating of keyhole system.
Past process support plate is to adopt plain radial drilling machine, and gripper shoe is placed on the rotatable dedicated platform, does not retrain the displacement of the X/Y phase of monoblock gripper shoe, and the Kong Weiyu pitch-row is guaranteed by drill jig.The application of the inapplicable numerical control drilling machine of this prior art.
[utility model content]
The purpose of this utility model provides the location of process support plate on the multi-axis numerical control drilling machine and the technical guarantee of clamping, is achieved by the following technical programs.
Specifically, according to boring grab of the present utility model system comprise the base that has datum hole, be arranged on a plurality of positioning seats on the base and be arranged on base and gripper shoe between a plurality of supplemental support antihunting devices, wherein the end face of a plurality of positioning seats is in same Z axial plane, a plurality of positioning seats correspond respectively to a plurality of tie rod holes on the gripper shoe, the location that is used for gripper shoe with step up.
Specifically, the utility model also provides a kind of boring grab system that is used for nuclear power station evaporimeter pipe gripper shoe, nuclear power station evaporimeter pipe gripper shoe comprises a plurality of tie rod holes, the boring grab system comprises: have datum hole base, be arranged on a plurality of positioning seats on the described base and be arranged on base and nuclear power station evaporimeter pipe gripper shoe between a plurality of supplemental support antihunting devices, wherein the end face of a plurality of positioning seats is in same Z axial plane, a plurality of positioning seats correspond respectively to a plurality of tie rod holes, are used to locate nuclear power station evaporimeter pipe gripper shoe.
According to technique scheme of the present utility model, wherein the boring grab system also comprises first keeper and second keeper, the corresponding tie rod hole that first keeper and second keeper pass respectively on the gripper shoe is installed in the corresponding positioning seat, thereby realizes six point locations to gripper shoe.
According to technique scheme of the present utility model, wherein the boring grab system also comprises a plurality of clamping elements, the corresponding tie rod hole that a plurality of clamping elements pass on the gripper shoe is installed in the corresponding positioning seat, thereby realizes the clamping to gripper shoe, prevents its issuable displacement in boring.
According to technique scheme of the present utility model, wherein first keeper is cylindrical alignment pin, and second keeper is that cylinder is cut the flat alignment pin, and clamping element is a bolt.
According to technique scheme of the present utility model, the height of wherein a plurality of supplemental support antihunting devices can be regulated.
According to technique scheme of the present utility model, wherein a plurality of supplemental support antihunting devices comprise that wherein the size of each second supplemental support antihunting device is greater than the size of each first supplemental support antihunting device along a plurality of first supplemental support antihunting devices of the basal surface periphery setting of nuclear power station evaporimeter pipe gripper shoe with along its a plurality of second supplemental support antihunting devices that radially are provided with.
According to technique scheme of the present utility model, each of wherein a plurality of second supplemental support antihunting devices includes mould component, be arranged on antivibrating parts and first tapered member and second tapered member in the mould component successively from top to bottom, wherein first tapered member and second tapered member can slide mutually and be fit to and be adjacent to each other along crew-served first abutment surface, each tapered member has and acutangulate second abutment surface of corresponding first abutment surface, wherein second abutment surface on first tapered member and the second wedge tapered member extends generally parallel with one another, and antivibrating parts extends along the second abutment surface almost parallel ground of first tapered member.
According to technique scheme of the present utility model, wherein a plurality of first supplemental support antihunting devices are wooden wedge shape assembly, wooden wedge shape assembly comprises first tapered member and second tapered member that can slide mutually, first tapered member and second tapered member are fit to be adjacent to each other along crew-served first abutment surface, each tapered member has and acutangulate second abutment surface of corresponding first abutment surface, and wherein second abutment surface on first tapered member and the second wedge tapered member extends generally parallel with one another.
According to technique scheme of the present utility model, the antivibrating parts of wherein a plurality of second supplemental support antihunting devices is a wood materials, the end face of each antivibrating parts is equipped with a plurality of apertures, discharge orifice and leafy hole to be processed on a plurality of apertures and the gripper shoe are corresponding, and the size in a plurality of apertures is greater than the corresponding discharge orifice to be processed and the size in leafy hole.
Benefit of the present utility model is: since the end face of a plurality of positioning seats in same Z axial plane and the corresponding tie rod hole that passes respectively on the gripper shoe of first keeper and second keeper be installed in the corresponding positioning seat, realized six point locations to described gripper shoe.Can satisfy the required precision of each hole coordinate resetting.
Owing to adopted adjustable for height supplemental support antihunting device, can prevent that gripper shoe is subjected to the distortion that borehole axial power causes, and can cushion the vibration of different frequency, and then can satisfy gripper shoe boring back unevenness and change less requirement (for example being not more than 5-6mm).
The advantage of the boring grab system that the utility model provides is simple in structure, and cost is low; Can be used with high efficiency multi-axis numerical control brill, improve production efficiency.
[description of drawings]
With reference to accompanying drawing, disclosure of the present utility model will be easier to understand.Those skilled in the art should be understood that: these accompanying drawings only are used to cooperate specific embodiment explanation the technical solution of the utility model, and are not to be intended to protection domain of the present utility model is construed as limiting.Among the figure:
Fig. 1 shows the vertical view that is used for the boring grab system of nuclear power station evaporimeter pipe gripper shoe according to of the present utility model.
Fig. 2 a shows the profile of first positioner of boring grab system along C-C among Fig. 1.
Fig. 2 b shows the profile of second positioner of boring grab system along C ' among Fig. 1-C '.
Fig. 3 a shows the profile of the clamping device of boring grab system along D-D among Fig. 1.
Fig. 4 a shows the profile of the first supplemental support antihunting device of boring grab system along E-E among Fig. 1.
Fig. 4 b shows the profile of the second supplemental support antihunting device of boring grab system along F-F among Fig. 1.And
Fig. 4 c shows the second supplemental support antihunting device of boring grab system along the profile shown in the G-G among Fig. 4 b.
Parts and label list
| 1? | The |
| 2? | Nuclear power station evaporimeter |
| 10? | |
| 20? | |
| 22? | |
| 24? | |
| 30? | Clamping |
| 40? | The first supplemental |
| 42? | The second supplemental |
| 50? | |
| 200? | Tie |
| 400? | The aperture |
| 401、422? | First tapered |
| 403、423? | Second |
| 420? | |
| 421? | Antivibrating parts |
[specific embodiment]
Fig. 1 to 4c and following declarative description embodiment of the present utility model with the instruction those skilled in the art how to make and use optimal mode of the present utility model.In order to instruct inventive principle, simplified or omitted some conventional aspects.Those skilled in the art should understand that the modification that is derived from these embodiments still drops in the scope of the present utility model.Those skilled in the art should understand that following characteristics combination in every way is to form a plurality of modification of the present utility model.Thus, the utility model is not limited to following specific implementations, and should be limited by claim and their equivalent.
Describe for convenient, in this article X-axis, Y-axis and Z axle are defined.Wherein X-axis be among Fig. 1 by the shown longitudinal direction of X, Y-axis be among Fig. 1 by the shown horizontal direction of Y, wherein X-axis is vertical with Y-axis, wherein the Z axle is perpendicular to paper, and is promptly vertical with Y-axis with X-axis." datum hole
" be positioned at the central authorities of boring grab base table top, should " datum hole
" X, Y coordinate be exactly the origin of coordinates of boring grab system.After nuclear power station evaporimeter pipe gripper shoe is installed on the boring grab, " datum hole
" the coordinate of X, Y be the benchmark that gripper shoe is installed the location, also be to proofread and correct each the foundation of the origin of coordinates of lathe, also be the origin of coordinates of programming for boring on gripper shoe." inboard " be meant among Fig. 1 along base radially towards the direction of datum hole, " outside " be meant among Fig. 1 along base radially away from the direction of datum hole.
Fig. 1 shows the vertical view that is used for the boring grab system of nuclear power station evaporimeter pipe gripper shoe according to of the present utility model.As shown in Figure 1, boring grab system 1 is used for nuclear power station evaporimeter pipe gripper shoe 2 is carried out clamping.The nuclear power station evaporimeter pipe gripper shoe 2 that processes comprises tie rod hole 200, discharge orifice and leafy hole (for example three leaf holes or four leaf holes).Need to prove: although not shown in the drawings tie rod hole, discharge orifice and leafy hole, those skilled in the art can understand the shape and the structure in these tie rod holes, discharge orifice and leafy hole according to common practise, are not repeated herein.Boring grab system 1 comprises: base 10, a plurality of positioning seat 20, first keeper 22 (shown in Fig. 2 a), second keeper 24 (shown in Fig. 2 b), a plurality of clamping element 30 (shown in Fig. 3 a), a plurality of supplemental support antihunting device, wherein a plurality of supplemental support antihunting devices comprise a plurality of first supplemental support antihunting devices 40 and a plurality of second supplemental support antihunting device 42.
The base 10 of boring grab comprises table top 100 and is positioned at the datum hole of table top central authorities
A plurality of positioning seats 20 are arranged on the base 10 equably, and the last fine finishining of the end face of a plurality of positioning seats is to be finished by own finish-milling one cutter of Digit Control Machine Tool, to guarantee that a plurality of end faces are at sustained height.Thereby the end face that guarantees all positioning seats as the locating surface of nuclear power station evaporimeter pipe gripper shoe basal surface, is eliminated three degree of freedom (be that the Z axle moves, the rotation of X-axis and Y-axis) on a Z axial plane.
Shown in Fig. 2 a and 2b, first keeper 22 and second keeper 24 pass on the described nuclear power station evaporimeter pipe gripper shoe 2 corresponding tie rod hole 200 and are assemblied in each self-corresponding positioning seat 20, eliminate two frees degree (being that X, y-axis shift are moving) and elimination one degree of freedom (rotation of Z axle) respectively.The end face of all positioning seats in one plane and first keeper 22 and second keeper 24 be used with corresponding positioning seat 20 separately, realized six point locations to nuclear power station evaporimeter pipe gripper shoe.
Shown in Fig. 3 a, the last corresponding tie rod hole 200 that clamping element 30 passes nuclear power station evaporimeter pipe gripper shoe is assemblied in each self-corresponding positioning seat 20, thereby realizes the clamping action to nuclear power station evaporimeter pipe gripper shoe 2, prevents its motion during holing.
Shown in Fig. 1, Fig. 4 a, Fig. 4 b and Fig. 4 c, a plurality of first supplemental support antihunting devices 40 and a plurality of second supplemental support antihunting device 42 are arranged between base 10 and the nuclear power station evaporimeter pipe gripper shoe 2.Wherein, a plurality of first supplemental support antihunting devices 40 are provided with equably along the basal surface periphery of nuclear power station evaporimeter pipe gripper shoe, a plurality of second supplemental support antihunting devices 42 radially are provided with equably along it, and they all can play nuclear power station evaporimeter pipe gripper shoe 2 and support and the effect of vibrationproof.Because the size of the second supplemental support antihunting device 42 is greater than the size of the first supplemental support antihunting device 40, the supporting role of 42 pairs of nuclear power station evaporimeters of second supplemental support antihunting device pipe gripper shoe is greater than the supporting role of the first supplemental support antihunting device 40 to it.In addition, because the height of these supplemental support antihunting devices all can be regulated in installation and process adaptively, thereby they can guarantee and reliably and fully the contacting to play a supporting role of the basal surface of nuclear power station evaporimeter pipe gripper shoe, and can also guarantee not destroy original location and clamped condition.For example in an embodiment of the present utility model, a plurality of first supplemental support antihunting devices all adopt wooden wedge shape assembly, wherein wooden wedge shape assembly comprises first tapered member 401 and second tapered member 403 that can slide mutually, first tapered member 401 and second tapered member 403 are fit to be adjacent to each other along crew-served first abutment surface, each tapered member has and acutangulate second abutment surface of corresponding first abutment surface, and wherein second abutment surface on first tapered member 401 and the second wedge tapered member 403 extends generally parallel with one another.Each of a plurality of second supplemental support antihunting devices includes mould component 420, is arranged on antivibrating parts 421, first tapered member 422 and second tapered member 423 in the mould component 420 from top to bottom successively.Wherein mould component 420 is used to limit the motion of antivibrating parts 421, first tapered member 422 and second tapered member 423, makes them only along regulating on the height of Z axle.First tapered member 422 and second tapered member 423 can slide mutually and be fit to and be adjacent to each other along crew-served first abutment surface, each tapered member has and acutangulate second abutment surface of corresponding first abutment surface, wherein second abutment surface on first tapered member 422 and second tapered member 423 extends generally parallel with one another, mould component 420, first tapered member 422 and second tapered member 423 preferably adopt the metal material preparation, and for example aluminium or iron etc. are made.Antivibrating parts 421 extends abreast along second abutment surface of first tapered member 422, antivibrating parts 421 is provided with a plurality of apertures 400, discharge orifice and leafy hole to be processed on these apertures 400 and the nuclear power station evaporimeter pipe gripper shoe are corresponding, the size in these apertures 400 is contained in wherein so that will process the waste material that produces during discharge orifice and the leafy hole greater than the corresponding discharge orifice to be processed and the size in leafy hole.Antivibrating parts 421 is preferably made by timber.Need to prove: those skilled in the art also can adopt the supplemental support antihunting device of other materials and structure according to enlightenment of the present utility model, and this also will drop in the protection domain of the utility model claim.
Set forth the specific embodiment of first keeper 22 and second keeper 24 below in conjunction with Fig. 2 a and Fig. 2 b.Fig. 2 a shows along the profile of first positioner of the boring grab system shown in the C-C among Fig. 1.Fig. 2 b show along shown in C ' among Fig. 1-C ' the profile of second positioner of boring grab system.Wherein first positioner comprises first keeper 22 and the positioning seat 20 that is mated, and first keeper 22 is the circle alignment pin in an embodiment of the present utility model.Second positioner comprises second keeper 24 and the positioning seat 20 that is mated, and second keeper 24 is cut flat alignment pin for cylinder in an embodiment of the present utility model.Those skilled in the art are understood that easily: also can adopt other keeper to realize location to nuclear power station evaporimeter pipe gripper shoe, and this also will drop in the protection domain of the present utility model.
Set forth the specific embodiment of a plurality of clamping elements 30 below in conjunction with Fig. 3 a.Fig. 3 a shows along the profile of the clamping device of the boring grab system shown in the D-D among Fig. 1.Shown in Fig. 3 a, the clamping device of boring grab system comprises clamping element 30 and the positioning seat 20 that is mated.In an embodiment of the present utility model, clamping element 30 is a bolt, and preferably clamping element 30 is installed in the positioning seat 20 that is mated by packing ring 50.Should be noted that: also can adopt other clamping element according to enlightenment of the present utility model those skilled in the art, and this will drop in the protection domain of the present utility model also.
According to enlightenment of the present utility model; those skilled in the art are to be understood that: as second generation CPR1000 nuclear power station evaporimeter pipe gripper shoe (the about 3086mm of its diameter; it is illustrated among Fig. 1) the nuclear power station evaporimeter pipe gripper shoe of the third generation nuclear power station evaporimeter pipe gripper shoe AP1000 (the about 3880mm of diameter) of substitute mode and EPR (the about 3340mm of diameter) and following other sizes equally also can adopt this boring grab system to realize the location, and this also will drop in the protection domain of the present utility model.And need to prove: other association areas and the similar plate of nuclear power station evaporimeter pipe gripper shoe also can be realized clamping by enough chucking appliance systems of the present utility model, and this also will drop in the protection domain of the present utility model.
Benefit of the present utility model is: since the end face of a plurality of positioning seats in same Z axial plane and the corresponding tie rod hole that passes respectively on the nuclear power station evaporimeter pipe gripper shoe of first keeper and second keeper be installed in the corresponding positioning seat, realized six point locations to described nuclear power station evaporimeter pipe gripper shoe.
Owing to adopt a plurality of clamping elements, thereby can satisfy the required precision (for example less than 0.05mm) of each hole coordinate resetting, satisfy the accurate requirement (for example less than 0.17mm) of whole pitch-rows.
Owing to adopted adjustable for height supplemental support antihunting device, can prevent that gripper shoe is subjected to the distortion that borehole axial power causes, and can cushion the vibration of different frequency, and then can satisfy gripper shoe boring back unevenness and change less requirement (for example being not more than 5-6mm).
The advantage of the drilling fixture system that the utility model provides is that structure is simple, and cost is low, and itself and high efficiency multi-axis numerical control bore and be used in addition, have improved production efficiency.
Claims (9)
1. boring grab system that is used for nuclear power station evaporimeter pipe gripper shoe, described nuclear power station evaporimeter pipe gripper shoe comprises a plurality of tie rod holes, described boring grab system comprises: the base that has datum hole, be arranged on a plurality of positioning seats on the described base and be arranged on described base and described nuclear power station evaporimeter pipe gripper shoe between a plurality of supplemental support antihunting devices, it is characterized in that, the end face of described a plurality of positioning seats is in same Z axial plane, described a plurality of positioning seat corresponds respectively to described a plurality of tie rod hole, is used to locate described nuclear power station evaporimeter pipe gripper shoe.
2. boring grab as claimed in claim 1 system, it is characterized in that, the boring grab system also comprises first keeper and second keeper, the corresponding tie rod hole that described first keeper and described second keeper pass respectively on the described nuclear power station evaporimeter pipe gripper shoe is installed in the corresponding positioning seat, thereby realizes six point locations to described nuclear power station evaporimeter pipe gripper shoe.
3. boring grab as claimed in claim 2 system, it is characterized in that, the boring grab system also comprises a plurality of clamping elements, the corresponding tie rod hole that described a plurality of clamping element passes on the described nuclear power station evaporimeter pipe gripper shoe is installed in the corresponding positioning seat, realization prevents that to the clamping of described nuclear power station evaporimeter pipe gripper shoe it from producing displacement during holing.
4. boring grab as claimed in claim 3 system is characterized in that described first keeper is cylindrical alignment pin, and described second keeper is that cylinder is cut the flat alignment pin, and described clamping element is a bolt.
5. boring grab as claimed in claim 1 system is characterized in that the height of described a plurality of supplemental support antihunting devices can be regulated.
6. boring grab as claimed in claim 5 system, it is characterized in that, described a plurality of supplemental support antihunting device comprises that wherein the size of each second supplemental support antihunting device is greater than the size of each first supplemental support antihunting device along a plurality of first supplemental support antihunting devices of the basal surface periphery setting of described nuclear power station evaporimeter pipe gripper shoe with along its a plurality of second supplemental support antihunting devices that radially are provided with.
7. boring grab as claimed in claim 6 system, it is characterized in that, each of described a plurality of second supplemental support antihunting devices includes mould component, be arranged on antivibrating parts and first tapered member and second tapered member in the described mould component successively from top to bottom, wherein first tapered member and second tapered member can slide mutually and be fit to and be adjacent to each other along crew-served first abutment surface, each tapered member has and acutangulate second abutment surface of corresponding first abutment surface, wherein second abutment surface on first tapered member and the second wedge tapered member extends generally parallel with one another, and antivibrating parts extends along the second abutment surface almost parallel ground of first tapered member.
8. boring grab as claimed in claim 6 system, it is characterized in that, described a plurality of first supplemental support antihunting device is wooden wedge shape assembly, wooden wedge shape assembly comprises first tapered member and second tapered member that can slide mutually, first tapered member and second tapered member are fit to be adjacent to each other along crew-served first abutment surface, each tapered member has and acutangulate second abutment surface of corresponding first abutment surface, and wherein second abutment surface on first tapered member and the second wedge tapered member extends generally parallel with one another.
9. boring grab as claimed in claim 7 system, it is characterized in that, the antivibrating parts of described a plurality of second supplemental support antihunting devices is a wooden structures, the end face of each antivibrating parts is equipped with a plurality of apertures, discharge orifice and leafy hole to be processed on described a plurality of aperture and the described nuclear power station evaporimeter pipe gripper shoe are corresponding, and the size in described a plurality of apertures is greater than the corresponding discharge orifice to be processed and the size in leafy hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202734098U CN201848718U (en) | 2010-07-27 | 2010-07-27 | Drilling fixture system for support plate of nuclear power plant evaporator tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202734098U CN201848718U (en) | 2010-07-27 | 2010-07-27 | Drilling fixture system for support plate of nuclear power plant evaporator tube |
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| Publication Number | Publication Date |
|---|---|
| CN201848718U true CN201848718U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202734098U Expired - Fee Related CN201848718U (en) | 2010-07-27 | 2010-07-27 | Drilling fixture system for support plate of nuclear power plant evaporator tube |
Country Status (1)
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| CN (1) | CN201848718U (en) |
Cited By (4)
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| CN104400494A (en) * | 2014-11-24 | 2015-03-11 | 湖北三江航天红阳机电有限公司 | Component assembly for reinforcing double-cone rhombic grid reinforcement framework structural part |
| CN104785814A (en) * | 2014-01-16 | 2015-07-22 | 斗山重工业株式会社 | Drilling worktable for manufacturing tube support plates and method of manufacturing tube support plates using the same |
| CN106425591A (en) * | 2016-12-17 | 2017-02-22 | 赵夫超 | Height-adjustable wedge plate clamp |
| CN109922912A (en) * | 2016-11-08 | 2019-06-21 | 西屋电气（德国）有限公司 | Drilling equipment for the pipe processed in the heat exchanger tube sheet in radioactive environment |
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2010
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| CN104785814A (en) * | 2014-01-16 | 2015-07-22 | 斗山重工业株式会社 | Drilling worktable for manufacturing tube support plates and method of manufacturing tube support plates using the same |
| EP2896477A1 (en) * | 2014-01-16 | 2015-07-22 | Doosan Heavy Industries & Construction Co., Ltd. | Drilling worktable for manufacturing tube support plates and method of manufacturing tube support plates using the same |
| JP2015134403A (en) * | 2014-01-16 | 2015-07-27 | 斗山重工業株式会社 | Pipe support plate processing drill workbench and manufacturing method for pipe support plate using the same |
| US9751132B2 (en) | 2014-01-16 | 2017-09-05 | Doosan Heavy Industries & Construction Co., Ltd. | Drilling worktable for manufacturing tube support plates and method of manufacturing tube support plates using the same |
| CN104785814B (en) * | 2014-01-16 | 2019-10-11 | 斗山重工业株式会社 | For processing the bore operation platform of tube support plate and utilizing its tube support plate manufacturing method |
| CN104400494A (en) * | 2014-11-24 | 2015-03-11 | 湖北三江航天红阳机电有限公司 | Component assembly for reinforcing double-cone rhombic grid reinforcement framework structural part |
| CN109922912A (en) * | 2016-11-08 | 2019-06-21 | 西屋电气（德国）有限公司 | Drilling equipment for the pipe processed in the heat exchanger tube sheet in radioactive environment |
| CN109922912B (en) * | 2016-11-08 | 2021-08-03 | 西屋电气（德国）有限公司 | Drilling device for machining tubes on tube plate of heat exchanger in radioactive environment |
| CN106425591A (en) * | 2016-12-17 | 2017-02-22 | 赵夫超 | Height-adjustable wedge plate clamp |
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| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI RUINIU MACHINERY + EQUIPMENT MANUFACTURE Free format text: FORMER NAME: SHANGHAI RUINIU MACHINERY + EQUIPMENT MANUFACTURE CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 201314 Shanghai city Pudong New Area Xuanqiao Town Park Road No. 105 Patentee after: SHANGHAI RUINIU MACHINERY & EQUIPMENT MANUFACTURE CO., LTD. Address before: 201314 Shanghai city Pudong New Area Xuanqiao Town Park Road No. 105 Patentee before: ShangHai RuiNiu Machinery & Equipment Manufacture Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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