CN115722696A - General portable boring equipment - Google Patents
General portable boring equipment Download PDFInfo
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- CN115722696A CN115722696A CN202211209937.0A CN202211209937A CN115722696A CN 115722696 A CN115722696 A CN 115722696A CN 202211209937 A CN202211209937 A CN 202211209937A CN 115722696 A CN115722696 A CN 115722696A
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- boring
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The invention discloses a universal portable boring device, which is formed by a hydraulic electric control system, a fixed frame, a strong dense red copper permanent magnetic chuck, a supporting seat, a moving seat, a feeding mechanism, a main shaft transmission mechanism, a shield, a blind hole thread supporting mechanism, a scrap blocking cover, a through hole end supporting mechanism and a fixed main shaft into a whole. Meanwhile, the automatic boring machine is provided with an independent hydraulic electric control device, so that the automatic feeding, automatic zero returning and fault alarming functions in the boring process can be realized, the automation degree of the equipment is greatly improved, the boring efficiency is improved, and the labor intensity of workers is reduced.
Description
Technical Field
The invention relates to the field of joint boring of a hydraulic generator shaft and a hydraulic generator shaft, in particular to universal portable boring equipment.
Background
In the hydraulic generator set, as the hydraulic generator shaft and the hydraulic generator shaft are main structural components with large structures and sizes, the same boring is carried out after the hydraulic generator shaft and the hydraulic generator shaft are connected, and the problem of factory site is difficult to realize; even after the holes are bored, the holes are rusted in long-distance transportation, the quality of unit installation is affected, and in view of the above, after the shaft coupling adjustment of the turbine generator shaft and the water turbine shaft on the construction site is qualified, the co-boring operation of the turbine generator shaft and the water turbine shaft is carried out, so that the restriction of a working site and the rusting condition of the shaft coupling holes caused by long-distance transportation are reduced, the installation and manufacturing period of the hydroelectric generating set is shortened, and the safe and stable operation of the unit is ensured.
Meanwhile, in the process of shaft coupling boring of the water turbine generator set, particularly the generator shaft and the water turbine shaft, due to the design structure, some through holes are combined, and some blind holes are combined, so that in the shaft system boring work, different boring devices need to be proposed to carry out corresponding boring work, and huge design and manufacturing cost can be generated.
In conclusion, for the shaft coupling boring work of a large hydroelectric generating set shaft system, the existing boring machine has the advantages of single structure, low efficiency and poor universality, and is very easy to cause huge design and manufacturing cost.
Disclosure of Invention
In view of the above, aiming at the defects in the prior art, the invention provides a universal portable boring device, which solves the problems that in the prior art, a shaft of a hydraulic generator and a shaft coupling of the hydraulic generator are bored together, and blind holes and through hole structures are adapted at the same time, solves the problem of universality of shaft system boring in a hydraulic generator set, improves the efficiency of boring in a construction site, and greatly reduces the design and manufacturing cost due to the small size and the excellent performance of convenient movement, and the portable boring machine is suitable for boring in different types.
The invention is realized by the following technical scheme: the hydraulic electric control system oil pump motor and the moving seat are fixed in a bolt combining mode, the main shaft transmission mechanism is installed below the moving seat, the center of the protective cover penetrates through the upper plane of the fixed main shaft and is fixed with the lower plane of the moving seat through the bolt combining mode, and the feeding mechanism servo motor is fixed on the upper end face of the supporting seat through the bolt combining mode to form a whole.
In the general portable boring device, the main shaft transmission mechanism is composed of a pinion, a gearwheel, a transmission sleeve, a rotary cutter body, a differential cutter seat and a TQW type fine adjustment boring cutter head into a whole, the pinion is connected with an oil pump motor in a hydraulic electric control system through a key, the gearwheel passes through a fixed main shaft and is fixed on the lower plane of a movable seat through a bolt handle and meshed with the pinion, the lower end face of the gearwheel is fixed on the upper plane of the transmission sleeve through a bolt handle, the lower plane of the transmission sleeve and the upper plane of the rotary cutter body are fixed through a bolt handle, the lower plane of the rotary cutter body is tightly fixed with the differential cutter seat to form a whole, and the TQW type fine adjustment boring cutter head is inserted into a differential cutter seat cutter groove according to a cutting angle.
In above-mentioned general portable boring equipment, feed mechanism comprises guide shaft, lead screw, fixed plate, and the lead screw passes among supporting seat and the feed mechanism servo motor and is connected through the shaft coupling, and the screw passes through the bolt and fixes closing at the seat upper plane that removes, and guide shaft symmetric distribution is in the lead screw both sides, the guide shaft, totally two sets of, upper end pass through the bolt and fix closing at the supporting seat upper plane, and the screw is passed at the middle part, and the lead screw lower extreme passes the fixed plate centre bore, utilizes the bearing end cover to seal, and the guide shaft lower extreme passes fixed plate both sides hole, utilizes lock nut to lock.
In the general portable boring device, the through hole end part supporting mechanism consists of a tightening sleeve II, a spherical joint bearing II, a pressure head and a screw rod, the spherical joint bearing II is vertically inserted into the through hole end part supporting mechanism, a mandrel at the lower end of the fixed main shaft penetrates through the spherical joint bearing II, the tightening sleeve II is clamped tightly, the screw rod is uniformly distributed and horizontally inserted into the through hole end part supporting seat, and the pressure head is screwed into the screw rod by virtue of threads to form a whole.
In the general portable boring device, the blind hole thread supporting mechanism is composed of a transition pad, a transition clamping shaft, a spherical joint bearing I and a clamping sleeve I, the transition pad is vertically filled into the bottom of a blind hole, the spherical joint bearing I is vertically filled into the blind hole thread supporting mechanism, the blind hole thread supporting mechanism depends on a thread screwed into a blind hole thread bottom hole, a mandrel at the lower end of a fixed main shaft is vertically sleeved into the transition clamping shaft to clamp the fixed clamping sleeve I, and a mandrel at the lower end of the transition clamping shaft is vertically sleeved into an inner hole of the spherical joint bearing I to form a whole.
In the general portable boring device, the upper plane of the supporting seat sequentially combines the fixing support, the limiting induction plate and the induction type proximity switch through bolts.
In the above general portable boring apparatus, the output torque of the boring apparatus is 160NM; the diameter of the bore hole is phi 160-phi 300mm; the effective stroke of the boring cutter is 700mm.
Due to the adoption of the scheme, the invention has the beneficial effects that:
1. the invention can realize the shaft coupling boring work of the large-scale shaft structural part of the water turbine, and the mechanism part can be disassembled, thereby ensuring the efficiency of the boring work in a construction site and reducing the boring period.
2. The invention can be suitable for the operation of through holes and blind holes of large-scale shaft structural parts, solves the problem of universality of the large-scale shaft parts, and greatly reduces the cost of the special functional boring equipment.
3. The invention has small volume, gets rid of the alignment of a coupling horizontal lathe in a factory and the processing technology of boring by using a universal boring machine, does not need additional manufacturing equipment for installing and pressing a platform, is suitable for narrow operation space in a construction site, highlights the technical characteristics and superiority of portable processing equipment, and greatly saves the transportation cost in the boring process in the construction site.
4. The automatic feeding and automatic zero returning device is provided with an independent hydraulic electric control device, can realize the functions of automatic feeding, automatic zero returning and fault alarming in the boring process, greatly improves the automation degree of equipment, improves the boring efficiency and reduces the labor intensity of workers.
5. The invention has simple installation, reduces the complexity of the installation of special equipment for boring in a construction site, and greatly improves the efficiency of installation and adjustment.
Drawings
FIG. 1 is a front view of a universal portable boring device;
FIG. 2 is a right side view of the general portable boring apparatus;
FIG. 3 is a partial enlarged view of a universal portable boring device III toward blind hole boring end support;
FIG. 4 is a diagram of a general portable boring device through-hole boring end support;
FIG. 5 is a cross-sectional view of the universal portable boring apparatus B-B;
FIG. 6 is a perspective view of the universal portable boring apparatus A;
FIG. 7 is a general portable boring device C in a perspective view.
The numbering in the figures illustrates: 1-a hydraulic electric control system; 2-a support seat; 3-a feeding mechanism; 4-a lead screw; 5-a nut; 6-moving seat; 7-a shield; 8-a bull gear; 9-a transmission sleeve; 10-pinion gear; 11-a fixing frame; 12-a spindle drive; 13-fixing the main shaft; 14-a rotating cutter body; 15-differential tool apron; 16-TQW type fine tuning boring head; 17-strong dense red copper permanent magnetic chuck; 18-a guide shaft; 19-fixing the plate; 20-blind hole thread support mechanism; 21-a transition pad; 22-a transition clamp shaft; 23-spherical joint bearing I; 24-a tightening sleeve I; 25-a chip-blocking cover; 26-a through hole end support mechanism; 27-a tightening sleeve II; 28-spherical joint bearing II; 29-a screw rod; 30-pressure head; 31-a scaffold; 32-limit induction plate; 33-inductive proximity switch.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, a general portable boring device is composed of a hydraulic electronic control system 1, a fixed frame 11, a strong dense red copper permanent magnetic chuck 17, a support base 2, a movable base 6, a feeding mechanism 3, a guide shaft 18, a lead screw 4, a nut 5, a fixed plate 19, a main shaft transmission mechanism 12, a pinion 10, a large gear 8, a shield 7, a transmission sleeve 9, a rotary cutter body 14, a differential cutter base 15, a TQW type fine tuning boring cutter head 16, a blind hole thread support mechanism 20, a transition pad 21, a transition clamp shaft 22, a chip blocking cover 25, a spherical joint bearing i 23, a clamping sleeve i 24, a through hole end support mechanism 26, a clamping sleeve ii 27, a spherical joint bearing ii 28, a pressure head 30, 29, a lead screw 31, a support 31, a limit induction plate 32, an induction type approach switch 33, and a fixed main shaft 13.
Specifically, the shaft coupling is vertically arranged on a hydraulic generator shaft and a hydraulic generator shaft in a construction site, equipment is installed from bottom to top after the shaft system is adjusted, aligned and fixed, and the installation method is realized through the following steps:
the method comprises the following steps: adsorbing the strong and dense red copper permanent magnetic chuck 17 on the end surface of the shaft of the hydraulic generator, placing the lower end of the fixing frame 11 on the upper surface of the strong and dense red copper permanent magnetic chuck 17, and rotating the handle of the strong and dense red copper permanent magnetic chuck 17 to root and fix the fixing frame 11 and the strong and dense red copper permanent magnetic chuck 17;
step two: installing a fixed main shaft 13 to penetrate through a fixed frame 11, fixing the lower end of the fixed main shaft 13 according to the type of boring, boring through a through hole coupling shaft, installing a spherical joint bearing II 28 into a through hole end bearing block, enabling a mandrel at the lower end of the fixed main shaft 13 to penetrate through the spherical joint bearing II 28, clamping the tail end of the fixed main shaft 13 by using a clamping sleeve II 27, uniformly distributing and sleeving a screw rod into a through hole end supporting mechanism 26, screwing a pressure head 30 into a screw rod 29 by means of threads, adjusting the screwing distance of the pressure head 30 according to the diameter of an end hole, and adjusting the fixed main shaft (13) to be coaxial with the hole to finish fixing the lower end of the fixed main shaft 13; a blind hole coupling boring hole is formed by penetrating a scrap blocking cover 25 through a fixed main shaft 13, then installing a transition pad 21 at the bottom of a blind hole to serve as a rooting foundation of a blind hole thread supporting mechanism 20, installing a spherical joint bearing I23 into the blind hole thread supporting mechanism 20, then screwing the blind hole thread supporting mechanism 20 into a blind hole thread bottom hole by virtue of threads, sleeving a central shaft at the lower end of the fixed main shaft 13 into a transition clamping shaft 22, clamping and fixing the central shaft by using a clamping sleeve I24, sleeving a central shaft at the lower end of the transition clamping shaft into an inner hole of the spherical joint bearing I23, and finally dropping the scrap blocking cover 25, so that scrap iron can be effectively prevented from falling into the blind hole bottom hole;
step three: installing a transmission sleeve 9 and a rotary cutter body 14, specifically, installing a bearing group in the rotary cutter body 14, enabling the bearing group and the rotary cutter body 14 to pass through a central fixed main shaft 13, installing a differential cutter holder 15 at the lower end of the rotary cutter body 14 through a bolt handle, and performing bolt handle on the upper end and the transmission sleeve 9;
step four: installing a main shaft transmission mechanism 12, installing a large gear 8 on a proper position on a fixed main shaft 13, combining a hydraulic motor on the upper end surface of a movable seat 6 through a bolt, enabling the movable seat 6 and the hydraulic motor on the movable seat to penetrate through the fixed main shaft 13, installing a small gear 10, connecting the small gear 10 through a flat key, installing the small gear on the lower end surface of the movable seat 6, paying attention to the meshing condition of the large gear 8 and the small gear 10 at any time in the installation process, and making proper adjustment;
step four: the position-limiting induction plate 32 is installed at the appointed position of the movable seat 6 through a bolt handle, after the fixing is completed, the upper end of the transmission sleeve 9 is in bolt handle combination with the lower plane of the large gear 8, the transmission sleeve is used for transmitting the rotary cutting torque of the main shaft, and pollutants and impurities are prevented from entering the main shaft transmission mechanism;
step five: the protective cover 7 is arranged below the movable seat 6 to play a role in protection;
step six; installing a guide shaft 18 and a lead screw 4, penetrating the lead screw 4 through a left center hole of a movable base 6, fixing a nut 5 matched with the lead screw 4 on the movable base 6 through a bolt, symmetrically installing the guide shaft 18 on two sides of the lead screw 4 for feeding and guiding, then installing a fixed plate 19, a bracket 31 and an induction type proximity switch 33, specifically, penetrating the fixed plate 19 through a mandrel at the upper end of a fixed main shaft 13, and installing an alternating current servo motor of a feeding mechanism on the upper end surface of the fixed plate 19 for driving the lead screw 4 to complete a feeding function;
step seven: a bracket 31 and an inductive proximity switch 33 are arranged on the lower end plane of the fixed plate 19 and used for giving a limiting and automatic zero-returning signal;
step eight: and (3) installing and clamping TQW type fine adjustment boring cutter head 16 in the differential cutter holder, and completing installation and debugging equipment.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A general portable boring device is characterized in that: the hydraulic electric control system comprises a hydraulic electric control system (1), a fixing frame (11), a strong dense red copper permanent magnetic chuck (17), a supporting seat (2), a moving seat (6), a feeding mechanism (3), a main shaft transmission mechanism (12), a shield (7), a blind hole thread supporting mechanism (20), a scrap blocking cover (25), a through hole end supporting mechanism (26) and a fixed main shaft (13) which form a whole, the strong dense red copper permanent magnetic chuck (17) is adsorbed on the upper end surface of a shaft flange of a water turbine, the lower end of the fixing frame (11) is adsorbed on the upper end surface of the strong dense red copper permanent magnetic chuck (17), the supporting seat (2) is fixed on the upper plane of the fixing frame (11) through bolts, the fixed main shaft (13) passes through the fixing frame (11), the upper end of the supporting seat (2) is locked by using a locking nut, the lower end is fixed according to the through hole end supporting mechanism (26) and the blind hole thread supporting mechanism (20), the moving seat (6) passes through a central hole of the fixed main shaft (13) and is placed below the supporting seat (2), an oil pump motor of the hydraulic electric control system (1) is fixed with the moving seat (6) through a bolt mechanism (12) which is installed below the moving seat (6), the moving seat (6) and the feeding mechanism (3) through the servo motor which passes through the servo motor, forming a whole.
2. The universal portable boring device as claimed in claim 1, wherein the spindle transmission mechanism (12) is composed of a pinion (10), a gearwheel (8), a transmission sleeve (9), a rotary cutter body (14), a differential cutter holder (15), and a TQW type fine adjustment boring cutter head (16) in a whole, the pinion (10) is connected with an oil pump motor in the hydraulic electric control system (1) through a key, the gearwheel (8) passes through a fixed spindle (13) and is fixed on the lower plane of the movable base (6) through a bolt and is meshed with the pinion (10), the lower end face of the gearwheel (8) is fixed with the upper plane of the transmission sleeve (9) through a bolt, the lower plane of the transmission sleeve (9) and the upper plane of the rotary cutter body (14) are fixed through a bolt, the lower plane of the rotary cutter body (14) and the differential cutter holder (15) are fastened to form a whole, and the TQW type fine adjustment boring cutter head (16) is inserted into the differential cutter holder (15) according to a cutting angle.
3. The universal portable boring device as claimed in claim 1, wherein the feeding mechanism (3) is composed of a guide shaft (18), a lead screw (4), nuts (5) and a fixing plate (19), the lead screw (4) penetrates through the supporting seat (2) and is connected with a servo motor in the feeding mechanism (3) through a coupler, the nuts (5) are fixed on the upper plane of the moving seat (6) through bolts, the guide shafts (18) are symmetrically distributed on two sides of the lead screw (4) and are divided into two groups, the upper ends of the guide shafts are fixed on the upper plane of the supporting seat (2) through bolts, the middle of the guide shafts penetrate through the nuts (5), the lower end of the lead screw (4) penetrates through a center hole of the fixing plate (19) and is sealed through a bearing end cover, and the lower end of the guide shaft (18) penetrates through two side holes of the fixing plate (19) and is locked through a locking nut.
4. The universal portable boring device as claimed in claim 1, wherein the through hole end supporting mechanism (26) is composed of a tightening sleeve II (27), a spherical joint bearing II (28), a pressing head (30) and a screw rod (29), the spherical joint bearing II (28) is vertically inserted into the through hole end supporting mechanism (26), a lower end mandrel of the fixed main shaft (13) penetrates through the spherical joint bearing II (28), the tightening sleeve II (27) is clamped, the screw rod (29) is uniformly distributed and horizontally inserted into the through hole end supporting base (26), and the pressing head (30) is screwed into the screw rod (29) by means of threads to form a whole.
5. The universal portable boring device as claimed in claim 1, wherein the blind hole thread support mechanism (20) is composed of a transition pad (21), a transition clamping shaft (22), a spherical joint bearing I (23) and a tightening sleeve I (24), the transition pad (21) is vertically padded into the bottom of the blind hole, the spherical joint bearing I (23) is vertically arranged into the blind hole thread support mechanism (20), the blind hole thread support mechanism (20) is screwed into the blind hole thread bottom hole by virtue of threads, a mandrel at the lower end of the fixed main shaft (13) is vertically sleeved into the transition clamping shaft (22), the tightening sleeve I (24) is clamped and fixed, and a mandrel at the lower end of the transition clamping shaft is vertically sleeved into the inner hole of the spherical joint bearing I (23) to form a whole.
6. A universal portable boring machine according to claim 1 wherein the upper plane of the support base (2) is bolted to the fixed support (31), the limit induction plate (32) and the induction type proximity switch (33).
7. The universal portable boring apparatus of claim 1 wherein the boring apparatus output torque is 160NM; the diameter of the bore hole is phi 160-phi 300mm; the effective stroke of the boring cutter is 700mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211209937.0A CN115722696A (en) | 2022-09-30 | 2022-09-30 | General portable boring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211209937.0A CN115722696A (en) | 2022-09-30 | 2022-09-30 | General portable boring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115722696A true CN115722696A (en) | 2023-03-03 |
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ID=85293577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211209937.0A Pending CN115722696A (en) | 2022-09-30 | 2022-09-30 | General portable boring equipment |
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| Country | Link |
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| CN (1) | CN115722696A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB634457A (en) * | 1947-10-13 | 1950-03-22 | Fielding & Platt Ltd | Improvements in or relating to drilling machines |
| US5350259A (en) * | 1991-10-07 | 1994-09-27 | Evangelista Russo | Portable boring machine |
| CN201309008Y (en) * | 2008-11-12 | 2009-09-16 | 李承怀 | Hole boring machine for main shaft positioning pin of water turbine |
| CN104325173A (en) * | 2014-10-10 | 2015-02-04 | 哈尔滨电机厂有限责任公司 | Process method for large-scale water turbine construction field shaft coupling blind hole boring |
| CN108188446A (en) * | 2018-03-08 | 2018-06-22 | 何胜保 | Casting cabin casts hole prosthetic device and casting hole restorative procedure |
| CN210023943U (en) * | 2019-04-04 | 2020-02-07 | 深圳市程捷模架科技有限公司 | Automatic cutting angle positioning device and sawing machine with same |
| CN110756894A (en) * | 2019-10-31 | 2020-02-07 | 河北科技大学 | Section bar cutting device |
| CN111360296A (en) * | 2020-04-23 | 2020-07-03 | 山东冠通管业有限公司 | A frock clamp that is used for flexible continuous tube tip hole boring of nonmetal |
| CN211364874U (en) * | 2019-11-08 | 2020-08-28 | 渤海船舶重工有限责任公司 | Ship stern block end face slipway processing device |
| CN214814984U (en) * | 2020-11-23 | 2021-11-23 | 华能澜沧江水电股份有限公司 | Processing device for connecting pin hole of generator rotor and generator main shaft |
| CN218396174U (en) * | 2022-10-28 | 2023-01-31 | 长沙市王老五铁艺制品有限公司 | Cutting device is used in stainless steel pipe fitting production and processing |
| CN220278442U (en) * | 2023-08-03 | 2024-01-02 | 广西中亿实业集团有限公司 | Steel fixed length cutting device |
-
2022
- 2022-09-30 CN CN202211209937.0A patent/CN115722696A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB634457A (en) * | 1947-10-13 | 1950-03-22 | Fielding & Platt Ltd | Improvements in or relating to drilling machines |
| US5350259A (en) * | 1991-10-07 | 1994-09-27 | Evangelista Russo | Portable boring machine |
| CN201309008Y (en) * | 2008-11-12 | 2009-09-16 | 李承怀 | Hole boring machine for main shaft positioning pin of water turbine |
| CN104325173A (en) * | 2014-10-10 | 2015-02-04 | 哈尔滨电机厂有限责任公司 | Process method for large-scale water turbine construction field shaft coupling blind hole boring |
| CN108188446A (en) * | 2018-03-08 | 2018-06-22 | 何胜保 | Casting cabin casts hole prosthetic device and casting hole restorative procedure |
| CN210023943U (en) * | 2019-04-04 | 2020-02-07 | 深圳市程捷模架科技有限公司 | Automatic cutting angle positioning device and sawing machine with same |
| CN110756894A (en) * | 2019-10-31 | 2020-02-07 | 河北科技大学 | Section bar cutting device |
| CN211364874U (en) * | 2019-11-08 | 2020-08-28 | 渤海船舶重工有限责任公司 | Ship stern block end face slipway processing device |
| CN111360296A (en) * | 2020-04-23 | 2020-07-03 | 山东冠通管业有限公司 | A frock clamp that is used for flexible continuous tube tip hole boring of nonmetal |
| CN214814984U (en) * | 2020-11-23 | 2021-11-23 | 华能澜沧江水电股份有限公司 | Processing device for connecting pin hole of generator rotor and generator main shaft |
| CN218396174U (en) * | 2022-10-28 | 2023-01-31 | 长沙市王老五铁艺制品有限公司 | Cutting device is used in stainless steel pipe fitting production and processing |
| CN220278442U (en) * | 2023-08-03 | 2024-01-02 | 广西中亿实业集团有限公司 | Steel fixed length cutting device |
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