CN204867520U - Processing appearance but pump case two way synchronization of reducing is drilled - Google Patents
Processing appearance but pump case two way synchronization of reducing is drilled Download PDFInfo
- Publication number
- CN204867520U CN204867520U CN201520610331.7U CN201520610331U CN204867520U CN 204867520 U CN204867520 U CN 204867520U CN 201520610331 U CN201520610331 U CN 201520610331U CN 204867520 U CN204867520 U CN 204867520U
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- drive unit
- pump case
- drill bit
- reducing
- hydraulic stem
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- 238000003825 pressing Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000005553 drilling Methods 0.000 abstract 2
- 230000001360 synchronised effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
Processing appearance but pump case two way synchronization of reducing is drilled, drill bit driving device have offered cross -shaped groove on be close to supporting the lateral wall of base one side, and the reducing chuck sets up and forms normal running fit in the outside of this lateral wall and with this lateral wall, has offered four curved regulations spouts on the reducing chuck, adjust spouts for four and form swirl shape around the centre of a circle of reducing chuck, and the drill bit level sets up, the drill bit in proper order behind break -over regulation spout and the cross -shaped groove with drill bit driving device's output shaft fixed connection. Can be simultaneously carry out totally eight the fixing bolt holes operation of drilling of two stationary planes to the pump case, improved the production efficiency of enterprise, still designed the reducing chuck that to adjust on every stationary plane diameter between fixing bolt hole and the pump case center, can improve the competitiveness of enterprise greatly to the operation of drilling of the pump case of multiple model to do not need operator's reuse bimanualness, make the security of production improve greatly.
Description
Technical field
The utility model belongs to perforating equipment technical field, relates to the pump case bi-directional synchronization perforating processing instrument of reducing.
Background technology
At present, in the production process of pump case manufacturing enterprise, perforating operation pump case being fixed to bolt hole is a requisite step, and a minimum stationary plane totally four bolts hole that are provided with of each pump case, many is provided with two stationary planes, eight bolts hole, the existing mode of production is all carry out perforating with puncher to pump case by operator, but existing puncher first can only carry out one-time positioning punching, then the perforating operation that reaming just can complete a bolt hole is carried out, again pump case is changed after having beaten an eye position carry out on once perforating, repeat to do 16 times and just can complete all perforating work, often need the expensive time just can complete during this, and the muscle power of each operator is limited, this have impact on production process with regard to serious, the speed of production of enterprise is reduced greatly.In addition, in manual operation process, because the both hands of operator are all at operation puncher; frequent meeting is because accident or misoperation thus occur the situation of personnel's bodily injury; then have a strong impact on production process, this all greatly reduces the production efficiency of enterprise, improves the unnecessary burden of enterprise.
Summary of the invention
The utility model, in order to overcome the defect of prior art, devises the pump case bi-directional synchronization perforating processing instrument of reducing, improves production efficiency, structure is simple, security is high, and automation is high, can carry out perforating operation through simple adjustment to the pump case of different model.
The concrete technical scheme that the utility model is taked is: the pump case bi-directional synchronization perforating processing instrument of reducing, comprise drill bit, drill bit drive unit and pump case locking device, drill bit is fixedly connected with the output shaft of drill bit drive unit, key is: described processing instrument also comprises frame and reducing chuck, frame is provided with guide rail along its length, drill bit drive unit comprises structure identical and symmetrically arranged left drive unit and right drive unit, one end being formed with guide rail that left drive unit and right drive unit lay respectively at frame is slidably matched, pump case locking device comprises base for supporting and device for fixing end part, base for supporting is between left drive unit and right drive unit and be fixedly connected with frame, pump case is placed on base for supporting,
Left drive unit and right drive unit are all provided with device for fixing end part, device for fixing end part comprises symmetrically arranged two retractor devices, the axis of retractor device is parallel with the direction of motion of drill bit drive unit, the stiff end of retractor device is fixedly connected with drill bit drive unit, the movable end of retractor device is provided with the positioning disk of annular, positioning disk is between base for supporting and drill bit drive unit, positioning disk arranges with retractor device is vertical and is fixedly connected with, pump case and positioning disk coaxially arrange and form snap-fit engagement, the axis of pump case and the axis being parallel of drill bit;
Drill bit drive unit offers cross groove on the sidewall of base for supporting side, the outside being formed with this sidewall that reducing chuck is arranged on this sidewall is rotatably assorted, reducing chuck offers the adjustment chute of four arcs, four regulate chute to form scroll around the center of circle of reducing chuck, drill bit is horizontally disposed with, and drill bit successively break-through regulates chute to be fixedly connected with the output shaft of drill bit drive unit with after cross groove.
The outer rim of described reducing chuck along the circumferential direction offers the locating slot of multiple arc, bolt is provided with in locating slot, one end break-through locating slot of bolt forms screw-threaded coupling with the sidewall of drill bit drive unit and coordinates, the other end of bolt is provided with locking nut, locking nut and bolt form screw-threaded coupling and coordinate, and the sidewall of reducing chuck are provided with at least one handle.
The arc length of described adjustment chute is 110 ~ 120mm, and centering angle is 30 ° ~ 60 °.
The outside of described drill bit is fixed with protective sleeve, and protective sleeve is positioned at and regulates chute, and the lateral surface of protective sleeve contacts with regulating the medial surface of chute.
Described pump case locking device also comprises top hold down gag, top hold down gag comprises the pressing plate of hydraulic stem, support and arc, the bottom of support is fixedly connected with frame, the stiff end of hydraulic stem and the bottom of support hinged, the movable end of hydraulic stem and one end of pressing plate hinged, the middle part of pressing plate and the top of support hinged, the other end of pressing plate to contact with pump case by hydraulic stem or is separated.
Described device for fixing end part also comprises the spring be sleeved on retractor device.
Described left drive unit and right drive unit are all the motors comprising housing and be arranged on above housing, and housing and guide rail are formed and be slidably matched, and motor is fixedly connected with housing, and drill bit is fixedly connected with the output shaft of motor.
The left side of described left drive unit is provided with the first hydraulic stem, and the stiff end of the first hydraulic stem is fixedly connected with frame, and the movable end of the first hydraulic stem is fixedly connected with left drive unit, and left drive unit is formed by the first hydraulic stem and guide rail and is slidably matched.
The right side of described right drive unit is provided with the second hydraulic stem, and the stiff end of the second hydraulic stem is fixedly connected with frame, and the movable end of the second hydraulic stem is fixedly connected with right drive unit, and right drive unit is formed by the second hydraulic stem and guide rail and is slidably matched.
The movable end of described retractor device is provided with external screw thread, and the end opens of positioning disk has the screw matched with external screw thread, sets up locking nut, and movable end break-through screw and the locking nut of retractor device form screw-threaded coupling and coordinate.
The beneficial effects of the utility model are: can simultaneously to pump case carry out two stationary planes totally eight fixed bolt holes carry out perforating operation, substantially increase the operating efficiency in the unit interval, improve the production efficiency of enterprise, have also been devised the reducing chuck that can adjust diameter between fixed bolt hole and pump case center on each stationary plane, achieve the function of a multiple model of machining, the production type of enterprise is not restricted, perforating operation can be carried out to the pump case of Multiple Type, substantially increase the competitiveness of enterprise, and liberate the both hands of operator, operator is not needed with the hands to operate again, avoid and occur surprisingly thus the situation of the injury to personnel caused, the security of producing is improved greatly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of reducing chuck in the utility model.
Fig. 3 is the structural representation of cross groove in the utility model.
In accompanying drawing, 1 represents drill bit, and 2 represent frame, and 3 represent reducing chuck; 4 represent guide rail, and 5 represent base for supporting, and 6 represent retractor device, and 7 represent positioning disk; 8 representatives regulate chute, and 9 represent locating slot, and 10 represent locking nut; 11 represent cross groove, and 12 represent protective sleeve, and 13 represent hydraulic stem; 14 represent support, and 15 represent pressing plate, and 16 represent housing; 17 represent motor, and 18 represent the first hydraulic stem, and 19 represent the second hydraulic stem.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Specific embodiment, as Fig. 1, Fig. 2, shown in Fig. 3, the pump case bi-directional synchronization perforating processing instrument of reducing, comprise drill bit 1, drill bit drive unit and pump case locking device, drill bit 1 is fixedly connected with the output shaft of drill bit drive unit, processing instrument also comprises frame 2, frame 2 is provided with guide rail 4 along its length, drill bit drive unit comprises structure identical and symmetrically arranged left drive unit and right drive unit, left drive unit and right drive unit are all the motors 17 comprising housing 16 and be arranged on above housing 16, housing 16 and guide rail 4 are formed and are slidably matched, motor 17 is fixedly connected with housing 16, drill bit 1 is fixedly connected with the output shaft of motor 17, one end being formed with guide rail 4 that left drive unit and right drive unit lay respectively at frame 2 is slidably matched, pump case locking device comprises base for supporting 5 and device for fixing end part, base for supporting 5 is between left drive unit and right drive unit and be fixedly connected with frame 2, the left side of left drive unit is provided with the first hydraulic stem 18, the stiff end of the first hydraulic stem 18 is fixedly connected with frame 2, the movable end of the first hydraulic stem 18 is fixedly connected with left drive unit, left drive unit is formed by the first hydraulic stem 18 and guide rail 4 and is slidably matched, the right side of right drive unit is provided with the second hydraulic stem 19, the stiff end of the second hydraulic stem 19 is fixedly connected with frame 2, the movable end of the second hydraulic stem 19 is fixedly connected with right drive unit, right drive unit is formed by the second hydraulic stem 19 and guide rail 4 and is slidably matched, add man-hour, pump case is placed on base for supporting 5, left drive unit and right drive unit slide along guide rail 4 to pump case advance, till drill bit 1 contacts with pump case,
In order to pump case is fixedly clamped, left drive unit and right drive unit are all provided with device for fixing end part, device for fixing end part comprises symmetrically arranged two retractor devices 6, the axis of retractor device 6 is parallel with the direction of motion of drill bit drive unit, the stiff end of retractor device 6 is fixedly connected with drill bit drive unit, the movable end of retractor device 6 is provided with the positioning disk 7 of annular, positioning disk 7 is between base for supporting 5 and drill bit drive unit, positioning disk 7 arranges with retractor device 6 is vertical and is fixedly connected with, pump case arranges with positioning disk 7 is coaxial and forms snap-fit engagement, the axis of pump case and the axis being parallel of drill bit 1.
The size of current pump case, model has a variety of, the pump case of multiple different model is processed in order to enable a machine, increase the competitiveness of enterprise, make enterprise drop into fecund less to go out, set up reducing chuck 3, on the sidewall of base for supporting 5 side, cross groove 11 is offered at drill bit drive unit, the outside being formed with this sidewall that reducing chuck 3 is arranged on this sidewall is rotatably assorted, reducing chuck 3 offers the adjustment chute 8 of four arcs, the arc length regulating chute 8 is 110 ~ 120mm, centering angle is 30 ° ~ 60 °, four regulate chute 8 to form scroll around the center of circle of reducing chuck 3, drill bit 1 is horizontally disposed with, drill bit 1 successively break-through regulates chute 8 to be fixedly connected with the output shaft of drill bit drive unit with after cross groove 11, the outer rim of reducing chuck 3 along the circumferential direction offers the locating slot 9 of multiple arc, bolt is provided with in locating slot 9, one end break-through locating slot 9 of bolt forms screw-threaded coupling with the sidewall of drill bit drive unit and coordinates, the other end of bolt is provided with locking nut 10, locking nut 10 and bolt form screw-threaded coupling and coordinate, the sidewall of reducing chuck 3 is provided with at least one handle, when needing the pump case processing different model, adjust loose nuts 10, moving handle makes reducing chuck 3 rotate, four adjustment chutes 8 promote four drill bits 1 and move in cross groove 11 simultaneously, realize the synchronous change of diameter between four drill bits 1.
As to further improvement of the utility model, the outside of drill bit 1 is fixed with protective sleeve 12, and protective sleeve 12 is positioned at and regulates chute 8, and the lateral surface of protective sleeve 12 contact with regulating the medial surface of chute 8, can avoid drill bit 1 generation diagonal distortion when movement.
As to further improvement of the utility model, pump case locking device also comprises top hold down gag, top hold down gag comprises the pressing plate 15 of hydraulic stem 13, support 14 and arc, the bottom of support 14 is fixedly connected with frame 2, the stiff end of hydraulic stem 13 and the bottom of support 14 hinged, the movable end of hydraulic stem 13 and one end of pressing plate 15 hinged, the middle part of pressing plate 15 and the top of support 14 hinged, the other end of pressing plate 15 to contact with pump case by hydraulic stem 13 or is separated, man-hour is added at pump case, make the fixing more firm of pump case, to avoid the situation of dislocation.
As to further improvement of the utility model, device for fixing end part also comprises the spring be sleeved on retractor device 6, and in perforating process, spring can play cushioning effect, prevents from rigid collision occurring thus defective work piece between pump case and positioning disk 7.
As to further improvement of the utility model, the movable end of retractor device 6 is provided with external screw thread, the end opens of positioning disk 7 has the screw matched with external screw thread, set up locking nut, movable end break-through screw and the locking nut of retractor device 6 form screw-threaded coupling and coordinate, structure is simple, makes the dismounting between retractor device 6 and positioning disk 7 more convenient.
The utility model is when specifically using, need first pump case to be placed on base for supporting 5, then with the pressing plate 15 of top hold down gag, pump case is firmly fixed on base for supporting 5, left drive unit and right drive unit are advanced by the pump case slip of two ends, left and right to centre on guide rail 4, till drill bit 1 contacts with pump case, now the stationary plane of pump case fixes in positioning disk 7, the effect that retractor device 6 can play buffer protection avoids workpiece to occur damaging, after starting motor 17, two stationary planes perforating simultaneously of drill bit 1 pair of pump case, time processing can complete the perforating operation of eight fixed bolt holes of pump case two stationary planes, substantially increase the production efficiency of enterprise.
When needing the pump case perforating to different model, because the diameter of pump case is different, diameter on pump case stationary plane between fixed bolt hole is also different, need to adjust the drill bit 1 of perforating, make drill bit 1 mobile in cross groove 11, adjust the distance between four relative drill bits 1, thus adapt to the size requirements of different pump case, perforating operation is carried out to the pump case of different-diameter.When adjusting the diameter between drill bit 1, first the locking nut 10 on reducing chuck 3 is adjusted pine, then moving handle makes reducing chuck 3 rotate clockwise, four arcs regulate the upper inner face of chute 8 to promote protective sleeve 12, protective sleeve 12 drives drill bit 1 to move to the center of circle of reducing chuck 3 in cross groove 11, four drill bits 1 move in cross groove 11 simultaneously, realize the synchronous change that between four drill bits 1, diameter reduces, after adjusting to processing dimension, locking nut 10 is tightened, complete the position adjustment of drill bit 1, can perforating processing be carried out; Moving handle makes reducing chuck 3 rotate counterclockwise; four arcs regulate the lower inside surface of chute 8 to promote protective sleeve 12; protective sleeve 12 drives drill bit 1 to move to the circumference of reducing chuck 3 in cross groove 11; four drill bits 1 move in cross groove 11 simultaneously; realize the synchronous change that between four drill bits 1, diameter increases, after adjusting to processing dimension, locking nut 10 is tightened; complete the position adjustment of drill bit 1, can perforating processing be carried out.
As to improvement of the present utility model, due to the pump case of different model, the number of the fixed bolt hole on stationary plane may be two, three or more, also the number of drill bit 1 is designed to two, three or more, the profile design of cross groove 11 is become corresponding in-line, herringbone or radiation groove, according to the pump case that different model difference requires, select the groove of corresponding number drill bit 1 and respective shapes.
Claims (10)
1. the pump case bi-directional synchronization perforating processing instrument of reducing, comprise drill bit (1), drill bit drive unit and pump case locking device, drill bit (1) is fixedly connected with the output shaft of drill bit drive unit, it is characterized in that: described processing instrument also comprises frame (2) and reducing chuck (3), frame (2) is provided with along its length guide rail (4), drill bit drive unit comprises structure identical and symmetrically arranged left drive unit and right drive unit, one end being formed with guide rail (4) that left drive unit and right drive unit lay respectively at frame (2) is slidably matched, pump case locking device comprises base for supporting (5) and device for fixing end part, base for supporting (5) is between left drive unit and right drive unit and be fixedly connected with frame (2), pump case is placed on base for supporting (5),
Left drive unit and right drive unit are all provided with device for fixing end part, device for fixing end part comprises symmetrically arranged two retractor devices (6), the axis of retractor device (6) is parallel with the direction of motion of drill bit drive unit, the stiff end of retractor device (6) is fixedly connected with drill bit drive unit, the movable end of retractor device (6) is provided with the positioning disk (7) of annular, positioning disk (7) is positioned between base for supporting (5) and drill bit drive unit, positioning disk (7) arranges with retractor device (6) is vertical and is fixedly connected with, pump case arranges with positioning disk (7) is coaxial and forms snap-fit engagement, the axis being parallel of the axis of pump case and drill bit (1),
Drill bit drive unit offers cross groove (11) on the sidewall of base for supporting (5) side, the outside being formed with this sidewall that reducing chuck (3) is arranged on this sidewall is rotatably assorted, reducing chuck (3) offers the adjustment chute (8) of four arcs, four regulate chute (8) to form scroll around the center of circle of reducing chuck (3), drill bit (1) is horizontally disposed with, and drill bit (1) successively break-through regulates chute (8) to be fixedly connected with the output shaft of drill bit drive unit afterwards with cross groove (11).
2. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1, it is characterized in that: the outer rim of described reducing chuck (3) along the circumferential direction offers the locating slot (9) of multiple arc, locating slot is provided with bolt in (9), one end break-through locating slot (9) of bolt forms screw-threaded coupling with the sidewall of drill bit drive unit and coordinates, the other end of bolt is provided with locking nut (10), locking nut (10) and bolt form screw-threaded coupling and coordinate, the sidewall of reducing chuck (3) is provided with at least one handle.
3. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1, it is characterized in that: the arc length of described adjustment chute (8) is 110 ~ 120mm, centering angle is 30 ° ~ 60 °.
4. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1; it is characterized in that: the outside of described drill bit (1) is fixed with protective sleeve (12); protective sleeve (12) is positioned at and regulates chute (8), and the lateral surface of protective sleeve (12) contacts with regulating the medial surface of chute (8).
5. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1, it is characterized in that: described pump case locking device also comprises top hold down gag, top hold down gag comprises hydraulic stem (13), the pressing plate (15) of support (14) and arc, the bottom of support (14) is fixedly connected with frame (2), the stiff end of hydraulic stem (13) and the bottom of support (14) hinged, the movable end of hydraulic stem (13) and one end of pressing plate (15) hinged, the middle part of pressing plate (15) and the top of support (14) hinged, the other end of pressing plate (15) to contact with pump case by hydraulic stem (13) or is separated.
6. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1, is characterized in that: described device for fixing end part also comprises the spring be sleeved on retractor device (6).
7. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1, it is characterized in that: described left drive unit and right drive unit are all the motors (17) comprising housing (16) and be arranged on housing (16) top, housing (16) and guide rail (4) are formed and are slidably matched, motor (17) is fixedly connected with housing (16), and drill bit (1) is fixedly connected with the output shaft of motor (17).
8. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1, it is characterized in that: the left side of described left drive unit is provided with the first hydraulic stem (18), the stiff end of the first hydraulic stem (18) is fixedly connected with frame (2), the movable end of the first hydraulic stem (18) is fixedly connected with left drive unit, and left drive unit is formed by the first hydraulic stem (18) and guide rail (4) and is slidably matched.
9. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1, it is characterized in that: the right side of described right drive unit is provided with the second hydraulic stem (19), the stiff end of the second hydraulic stem (19) is fixedly connected with frame (2), the movable end of the second hydraulic stem (19) is fixedly connected with right drive unit, and right drive unit is formed by the second hydraulic stem (19) and guide rail (4) and is slidably matched.
10. the pump case bi-directional synchronization perforating processing instrument of reducing according to claim 1, it is characterized in that: the movable end of described retractor device (6) is provided with external screw thread, the end opens of positioning disk (7) has the screw matched with external screw thread, set up locking nut, movable end break-through screw and the locking nut of retractor device (6) form screw-threaded coupling and coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610331.7U CN204867520U (en) | 2015-08-14 | 2015-08-14 | Processing appearance but pump case two way synchronization of reducing is drilled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610331.7U CN204867520U (en) | 2015-08-14 | 2015-08-14 | Processing appearance but pump case two way synchronization of reducing is drilled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204867520U true CN204867520U (en) | 2015-12-16 |
Family
ID=54811948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520610331.7U Expired - Fee Related CN204867520U (en) | 2015-08-14 | 2015-08-14 | Processing appearance but pump case two way synchronization of reducing is drilled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204867520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935806A (en) * | 2016-06-22 | 2016-09-14 | 无锡德斯凯动力科技有限公司 | Hole forming machine used for diesel engine accessories |
| CN118254019A (en) * | 2024-05-29 | 2024-06-28 | 江苏优耐机械制造有限公司 | Pump shell drilling equipment of centrifugal pump |
-
2015
- 2015-08-14 CN CN201520610331.7U patent/CN204867520U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935806A (en) * | 2016-06-22 | 2016-09-14 | 无锡德斯凯动力科技有限公司 | Hole forming machine used for diesel engine accessories |
| CN105935806B (en) * | 2016-06-22 | 2018-07-10 | 无锡德斯凯动力科技有限公司 | A kind of diesel engine part tapping machine |
| CN118254019A (en) * | 2024-05-29 | 2024-06-28 | 江苏优耐机械制造有限公司 | Pump shell drilling equipment of centrifugal pump |
| CN118254019B (en) * | 2024-05-29 | 2024-08-20 | 江苏优耐机械制造有限公司 | Pump shell drilling equipment of centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 |