CN107511634A - A kind of hydraulic turbine main shaft precision switching mechanism - Google Patents
A kind of hydraulic turbine main shaft precision switching mechanism Download PDFInfo
- Publication number
- CN107511634A CN107511634A CN201710984204.7A CN201710984204A CN107511634A CN 107511634 A CN107511634 A CN 107511634A CN 201710984204 A CN201710984204 A CN 201710984204A CN 107511634 A CN107511634 A CN 107511634A
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- Prior art keywords
- main shaft
- sleeve
- hydraulic turbine
- switching mechanism
- component
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses a kind of hydraulic turbine main shaft precision switching mechanism, including base, oscilaltion portion, pars contractilis and clamping section, the pars contractilis includes shell, sleeve, screw component, connect block assembly, transmission component and drive component, the sleeve is arranged in the shell, internal thread is provided with the sleeve, one end of the screw component is embedded in the sleeve, and it is engaged with the sleeve, the other end is connected with by transmission component with the drive component, one end of the connection block assembly is arranged on outside the shell, another pass through is inserted into the shell, and it is arranged in the sleeve, the axis of the connection block assembly and the axis of the screw component are on the same line.In the present invention, upset is moved to connection block assembly by screw component, realizes the upset of main shaft.
Description
Technical field
The present invention relates to the technical field of hydraulic turbine making apparatus, is specifically related to a kind of hydraulic turbine main shaft precision and turns over
Rotation mechanism.
Background technology
The hydraulic turbine is the turbine that it belongs in fluid machinery the dynamic power machine that the energy conversion of current is rotating mechanical energy
Machinery.Before and after B.C. 100 years, there have been the blank of the hydraulic turbine for China --- water wheels, for irrigating by lifting water to a higher level with a water pump, etc. and driving grain
Operated implement.The modern hydraulic turbine is then most of to be arranged in power station, for driving electrical power generators.In power station, upstream
Water in reservoir guides the hydraulic turbine into through aqueduct, promotes rotary wheel of water turbine rotation, drives electrical power generators.The water for finishing work(then leads to
Cross tail water pipeline row downstream.Head is higher, flow is bigger, and the power output of the hydraulic turbine is also bigger.
Therefore the volume of the hydraulic turbine is very huge, and this causes hydraulic turbine internal part volume also to become big accordingly, wherein, water
Turbine main shaft is the important component of the hydraulic turbine, and its both ends is required to welded flange, because main shaft volume is larger therefore welds very
Both ends need to weld successively, therefore cause manufacturing process cumbersome, meanwhile, it is uneven that both ends substep welding then easily causes both ends welding
Even situation.Therefore a kind of device that can be overturn to main shaft is needed to solve the above problems.
The hydraulic turbine is the turbine that it belongs in fluid machinery the dynamic power machine that the energy conversion of current is rotating mechanical energy
Machinery.Before and after B.C. 100 years, there have been the blank of the hydraulic turbine for China --- water wheels, for irrigating by lifting water to a higher level with a water pump, etc. and driving grain
Operated implement.The modern hydraulic turbine is then most of to be arranged in power station, for driving electrical power generators.In power station, upstream
Water in reservoir guides the hydraulic turbine into through aqueduct, promotes rotary wheel of water turbine rotation, drives electrical power generators.The water for finishing work(then leads to
Cross tail water pipeline row downstream.Head is higher, flow is bigger, and the power output of the hydraulic turbine is also bigger.
Therefore the volume of the hydraulic turbine is very huge, and this causes hydraulic turbine internal part volume also to become big accordingly, wherein, water
Turbine main shaft is the important component of the hydraulic turbine, and its both ends is required to welded flange, because main shaft volume is larger therefore welds very
Both ends need to weld successively, therefore cause manufacturing process cumbersome, meanwhile, it is uneven that both ends substep welding then easily causes both ends welding
Even situation.Therefore a kind of device that can be overturn to main shaft is needed to solve the above problems.Existing turnover bracket, it is right
The upset of main shaft is mainly driven by motor, but motor speed block, and main shaft volume is excessive, once rotating speed is too fast, easily makes
The damage of forming apparatus.
The content of the invention
For the above-mentioned problems in the prior art, it is desirable to provide a kind of that the speed angle that main shaft is overturn can be carried out
Accurate control, prevents from overturning the too fast hydraulic turbine main shaft precision switching mechanism for causing device damage.
Concrete technical scheme is as follows：
A kind of hydraulic turbine main shaft precision switching mechanism, including base, oscilaltion portion, pars contractilis and clamping section, it is described
Pars contractilis includes shell, and sleeve, screw component, connection block assembly, transmission component and drive component, the sleeve are arranged on institute
State in shell, internal thread be provided with the sleeve, one end of the screw component is embedded in the sleeve, and with the set
Cylinder is engaged, and the other end is connected with by transmission component with the drive component, and one end of the connection block assembly is arranged on institute
State outside shell, it is another through being inserted into the shell, and be arranged in the sleeve, the axis of the connection block assembly with it is described
The axis of screw component is on the same line.
Preferably, the transmission component includes driving gear and the driven gear being meshed with the driving gear, institute
State driving gear and connect the drive component, the driven gear is connected with the screw component, the driven gear perpendicular to
The diametrically extending formation locating ring in both sides of gear axial direction, the driving gear are meshed with the driven gear, and
Between two locating rings.
Preferably, the screw component includes screw mandrel and the push rod being movably arranged in the screw mandrel, the screw mandrel edge
The position of axis is provided with a through hole for running through the screw mandrel, and the push rod activity is embedded in the through hole, the push rod court
Engaging depression is additionally provided with to the end face of one end of the connection block assembly.
Preferably, the drive component includes handwheel and motor, the handwheel is with the screw mandrel backwards to the folder
The one end in tight portion is connected, and the motor is movably fixed on the shell with the push rod backwards to one end of the clamping section
It is connected.
Preferably, the driven gear is arranged on the push rod backwards to one end of the connection block assembly, the driving tooth
The motor shaft that wheel is arranged on the motor is connected.
Preferably, being provided with the first spacing ring and the second spacing ring in the through hole, limited location is set on the push rod
Block, the limited block is between first spacing ring and second spacing ring.
Preferably, the connection block assembly includes contiguous block, connecting rod and elastic component, the contiguous block is cylindric knot
Structure, and the axis of its axis and the push rod is on the same line, the contiguous block is provided with towards one end of the clamping section
Spacing preiection, it is provided with the end face of the other end and is arranged on the snap fit tabs for engaging recesses conjunction, the connecting rod
The contiguous block and is connected with the clamping section towards one end of the clamping section, and described elastic component one end connects the shell,
The other end offsets with the spacing preiection.
Preferably, be provided with the shell to house the accommodating hole of the sleeve and contiguous block, and it is described accommodating
One end of hole towards the clamping section is provided with gear ring, is provided with a support platform on the other end, and the support platform is along institute
The axially extending of shell is stated, draw runner is provided with the support platform.
Preferably, the motor is arranged in the support platform by support frame, and support frame as described above connection institute
The one end for stating support platform is provided with the chute being engaged with the draw runner.
Preferably, the spacing preiection is loop configuration, the spacing preiection coordinates with the accommodating interporal lacuna, the limit
The raised external diameter in position is more than external diameter of the internal diameter less than the sleeve of the sleeve.
The good effect of above-mentioned technical proposal is：
(1) in the present invention, upset is moved to connection block assembly by screw component, realizes the upset of main shaft.
(2) while the screw mandrel is mainly to promote contiguous block to move along a straight line, and the push rod is then to drive the screw mandrel
Rotation, such design can be accurately controlled the position of contiguous block, and such design causes the circumferential fortune of contiguous block
It is dynamic and be axially moved non-interference, occurs so as to avoid main shaft in rotary course along the axial displacement of screw mandrel.
(3) while the design of first spacing ring and the second spacing ring is defined to the axial displacement of push rod, simultaneously
The push rod is driven together to be moved axially with the screw mandrel.
Brief description of the drawings
Fig. 1 is the structural representation of hydraulic turbine main shaft precision switching mechanism of the present invention；
Fig. 2 is the enlarged drawing in A portions in Fig. 1；
Fig. 3 is the enlarged drawing in B portions in Fig. 1；
Fig. 4 is the top view of hydraulic turbine main shaft precision switching mechanism of the present invention；
Fig. 5 is the enlarged drawing in C portions in Fig. 4.
In accompanying drawing, 1, pars contractilis；11st, shell；111st, support platform；112nd, draw runner；113rd, gear ring；12nd, sleeve；13、
Screw mandrel；131st, the first spacing ring；132nd, the second spacing ring；14th, push rod；141st, engaging depression；142nd, limited block；143rd, it is driven
Gear；144th, locating ring；15th, contiguous block；151st, spacing preiection；152nd, snap fit tabs；16th, elastic component；17th, connecting rod；18、
Handwheel；19th, motor；191st, support frame；192nd, motor shaft；193rd, driving gear；2nd, oscilaltion portion；3rd, base；4th, press from both sides
Tight portion.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, it is real below
Example combination accompanying drawing is applied to be specifically addressed to provided by the invention.
Fig. 1 is the structural representation of hydraulic turbine main shaft precision switching mechanism of the present invention；Fig. 2 is the enlarged drawing in A portions in Fig. 1；
Fig. 3 is the enlarged drawing in B portions in Fig. 1；Fig. 4 is the top view of hydraulic turbine main shaft precision switching mechanism of the present invention；Fig. 5 is C in Fig. 4
The enlarged drawing in portion, is referred to shown in Fig. 1 to Fig. 5.Show a kind of preferably hydraulic turbine main shaft precision switching mechanism, including base
3rd, oscilaltion portion 2, pars contractilis 1 and clamping section 4, wherein, oscilaltion portion 2 is arranged on the base 3, and with the bottom
Seat 3 is vertical, and is lifted along perpendicular to the direction of the base 3, and the pars contractilis 1, which is arranged on, is in oscilaltion portion 2, and with institute
Base 3 is stated parallel and perpendicular to the oscilaltion portion 2, is moved along the operation in the oscilaltion portion 2, at the same it is described flexible
Portion 1 is stretched along the direction lifted perpendicular to the oscilaltion portion 2, and the clamping section 4 is arranged on the pars contractilis 1, described
Clamping section 4 is synchronized with the movement to be clamped to the main shaft with the flexible of the pars contractilis 1.
In the present invention, the setting in the oscilaltion portion 2 can be controlled to the position on the vertical direction of clamping section 4,
And then cause clamping section 4 to can be carried out clamping to the center of the main shaft of different height, meanwhile, the setting of the pars contractilis 1 is not
But clamping section 4 can be driven to be stretched towards perpendicular to the direction of the main-shaft axis, while clamping section 4 can be driven to rotate, it is right
Main shaft is overturn.
Hereinafter, illustrated with a kind of specific embodiment, it should be pointed out that described in implementation below it
Structure, technique, selection are only to illustrate the feasibility of embodiment, and the intention of the unrestricted scope of the present invention.
Wherein, the pars contractilis 1 includes shell 11, sleeve 12, screw component, connection block assembly, transmission component and drive
Dynamic component, wherein, the sleeve 12 is arranged in the shell 11, and internal thread, the screw mandrel group are provided with the sleeve 12
One end of part is embedded in the sleeve 12, and is engaged with the sleeve 12, and the other end is with passing through transmission component and the drive
Dynamic component is connected, and the rotating speed of output of the transmission component to the drive component is adjusted, and is transferred to the screw mandrel group
Part.One end of the connection block assembly is arranged on outside the shell 11, and another pass through is inserted into the shell 11, and is arranged on institute
State in sleeve 12, the axis of the connection block assembly and the axis of the screw component are on the same line.
Wherein, the transmission component includes driving gear 193 and the driven gear being meshed with the driving gear 193
143, wherein, the driving gear 193 connects the drive component, and the driven gear 143 is connected with the screw component, its
In, the driven gear 143 is diametrically extending perpendicular to the both sides of gear axial direction, and then causes driven gear
143 two sides extensions are provided with locating ring 144, and the driving gear 193 is meshed with the driven gear 143, and is located at
Between two locating rings 144.
The screw component includes screw mandrel 13 and the push rod 14 being movably arranged in the screw mandrel 13, wherein, the silk
Position of the bar 13 along axis is provided with a through hole for running through the screw mandrel 13.The push rod 14 is embedded in the through hole, and can
Moved along the through hole, and the push rod 14 towards it is described connection block assembly one end end face on be additionally provided with engaging depression
141, and then be connected with the connection block assembly, and the length of the push rod 14 is longer than the screw mandrel 13.
The drive component includes handwheel 18 and motor 19, and the handwheel 18 connects the another of the screw mandrel 13
End, is moved along a straight line by driving the screw mandrel 13 to move and then connect block assembly, and the activity of motor 19 is fixed
The other end with the push rod 14 on the shell 11 is connected, and by driving push rod 14 to rotate, drives the connection block assembly
Rotation, and then drive the clamping section 4 to rotate.
The driven gear 143 is arranged on the push rod 14 backwards to one end of the connection block assembly, the driving gear
193 motor shafts 192 for being arranged on the motor 19 are connected.
More specifically, the first spacing ring 131 and the second spacing ring 132 are provided with the through hole, on the push rod 14
Be provided with the limited block 142 being engaged with the spacing ring, the limited block 142 be located at first spacing ring 131 with it is described
Between second spacing ring 132, so when the screw mandrel 13 along rectilinear movement when drive the synchronizing moving of push rod 14.
The connection block assembly includes contiguous block 15, connecting rod 17 and elastic component 16, wherein, the contiguous block 15 is circle
Column structure, and the axis of its axis and the push rod 14 is on the same line, the contiguous block 15 is towards the clamping section 4
One end is provided with spacing preiection 151, and the snap fit tabs being engaged with the engaging depression 141 are provided with the end face of the other end
152, therefore when the contiguous block 15 and the push rod 14 fasten, the push rod 14 drives the contiguous block 15 to rotate.This
Outside, the connecting rod 17 is arranged on the contiguous block 15 towards one end of the clamping section 4, and is connected with the clamping section 4, enters
And clamping section 4 is moved with the motion of the contiguous block 15.Described one end of elastic component 16 connects the shell 11, the other end
Offseted with the spacing preiection 151, to the reset of the contiguous block 15.
More specifically, it is provided with the shell 11 to house the accommodating hole of the sleeve 12 and contiguous block 15, and
The accommodating hole is provided with gear ring 113, one end of the elastic component 16 and the gear ring towards one end of the clamping section 4
113 are connected, and the other end is connected with the spacing preiection 151, to the reset of the contiguous block 15.With setting on the shell 11
It is equipped with the opposite end of blocking material ring one end and is provided with a support platform 111, axial direction of the support platform 111 along the shell 11
Extend, draw runner 112 is provided with the support platform 111.The motor 19 is arranged on the support by support frame 191
On platform 111, and support frame as described above 191 connects one end of the support platform 111 and is provided with what is be engaged with the draw runner 112
Chute, and then motor 19 can be not only supported, meanwhile, also allow motor 19 to be moved along draw runner 112
It is dynamic.
Further, the spacing preiection 151 is loop configuration, the spacing preiection 151 and the accommodating interporal lacuna
Coordinate.The external diameter of the spacing preiection 151 is more than external diameter of the internal diameter less than the sleeve 12 of the sleeve 12 simultaneously, such
The displacement to the contiguous block 15 is set to carry out spacing.
The elastic component 16 is in compressive state all the time, between first spacing ring 131 and second spacing ring 132
Gap be more than the push rod 14 and be provided with the end and the screw mandrel 13 of 141 one end of engaging depression towards one end end of contiguous block 15
Axial distance between portion.
In the present invention, the specific work process of the pars contractilis 1 is：In initial position, now, the spacing preiection
151 are offseted with the end of the sleeve 12, and the push rod 14 is inserted into the through hole of the screw mandrel 13, limited block 142 and first
Spacing ring 131 offsets, and now the push rod 14 is located in the screw mandrel 13 towards one end of the contiguous block 15.Subsequent handwheel
18 rotation driving screw mandrels 13 rotate, and the screw mandrel 13 moves while rotation towards the direction of contiguous block 15, and then promotes
The synchronizing moving of push rod 14, because driven gear 143 is engaged with the driving gear 193 on push rod 14, locating ring 144 thereon
Setting so that driven gear 143 drives the synchronizing moving of motor 19 by driving gear 193, motor 19 and then
Slided along the draw runner 112 in the support platform 111, the screw mandrel 13 promotes contiguous block 15 to move in the same direction, the elastic component 16
Further compression.Until move to predeterminated position, the stop motion of screw mandrel 13, user is by the direction of contiguous block 15 described in the phase of push rod 14
Promote so that the snap fit tabs 152 in engaging depression 141 and contiguous block 15 on push rod 14 are engaged, subsequent motor 19
Rotation, and then drive the synchronous rotary of contiguous block 15.The handwheel 18 reversely rotates during reset, drives screw mandrel 13 to rotate, and
Counter motion, and now contiguous block 15 moves in the presence of elastic component 16 towards screw mandrel 13, and promote the synchronous fortune of push rod 14
It is dynamic, realize and reset.
In the present invention, preferably the rotating speed of motor 19 is adjusted for the setting of transmission component, avoids rotating speed mistake
Fast damage equipment.The setting of this external gear can not only also increase simultaneously according to the rotating speed of the parameter regulation push rod 14 of gear
Running accuracy.And the setting of locating ring 144 then causes push rod 14 is synchronous with motor 19 to be axially moved.Screw mandrel 13 mainly to
Contiguous block 15 is promoted to move along a straight line, and the push rod 14 is then to drive the screw mandrel 13 to rotate, such design can be to connection
The position of block 15 is accurately controlled, and such design make it that the circumferential movement of contiguous block 15 and axial movement are non-interference,
Occur so as to avoid main shaft in rotary course along the axial displacement of screw mandrel 13.First spacing ring 131 and second simultaneously
The design of spacing ring 132 is defined to the axial displacement of push rod 14, while drives the push rod 14 and the screw mandrel 13 together
Axial movement.
Preferred embodiments of the present invention are these are only, not thereby limit embodiments of the present invention and protection domain, it is right
For those skilled in the art, it should can appreciate that and all be replaced with being equal made by description of the invention and diagramatic content
Change and obviously change resulting scheme, should be included in protection scope of the present invention.
Claims (10)
1. a kind of hydraulic turbine main shaft precision switching mechanism, including base (3), oscilaltion portion (2), pars contractilis (1) and clamping
Portion (4), it is characterised in that the pars contractilis (1) includes shell (11), sleeve (12), screw component, connection block assembly, transmission
Component and drive component, the sleeve (12) are arranged in the shell (11), and internal thread is provided with the sleeve (12),
One end of the screw component is embedded in the sleeve (12), and is engaged with the sleeve (12), and the other end is with passing through biography
Dynamic component is connected with the drive component, and one end of the connection block assembly is arranged on the shell (11) outside, another through insertion
In to the shell (11), and it is arranged in the sleeve (12), the axis and the screw component of the connection block assembly
Axis is on the same line.
2. hydraulic turbine main shaft precision switching mechanism according to claim 1, it is characterised in that the transmission component includes master
Moving gear (193) and the driven gear (143) being meshed with the driving gear (193), driving gear (193) connection
The drive component, the driven gear (143) are connected with the screw component, and the driven gear (143) is perpendicular to gear
The diametrically extending formation locating ring (144) in the both sides of axial direction, the driving gear (193) and the driven gear
(143) it is meshed, and between two locating rings (144).
3. hydraulic turbine main shaft precision switching mechanism according to claim 1, it is characterised in that the screw component includes silk
Bar (13) and the push rod (14) being movably arranged in the screw mandrel (13), the screw mandrel (13) are provided with one along the position of axis
Through hole through the screw mandrel (13), push rod (14) activity are embedded in the through hole, and the push rod (14) is described in
Connect and engaging depression (141) is additionally provided with the end face of one end of block assembly.
4. hydraulic turbine main shaft precision switching mechanism according to claim 3, it is characterised in that the drive component includes hand
(18) and motor (19) are taken turns, the handwheel (18) is connected with the screw mandrel (13) backwards to one end of the clamping section (4),
The motor (19) is movably fixed on the shell (11) with the push rod (14) backwards to one end of the clamping section (4)
It is connected.
5. hydraulic turbine main shaft precision switching mechanism according to claim 4, it is characterised in that the driven gear (143)
The push rod (14) is arranged on backwards to one end of the connection block assembly, the driving gear (193) is arranged on the driving electricity
The motor shaft (192) of machine (19) is connected.
6. hydraulic turbine main shaft precision switching mechanism according to claim 3, it is characterised in that is provided with the through hole
One spacing ring (131) and the second spacing ring (132), limited block (142), the limited block are provided with the push rod (14)
(142) between first spacing ring (131) and second spacing ring (132).
7. hydraulic turbine main shaft precision switching mechanism according to claim 6, it is characterised in that the connection block assembly includes
Contiguous block (15), connecting rod (17) and elastic component (16), the contiguous block (15) are cylindrical-shaped structure, and its axis with it is described
On the same line, the contiguous block (15) is provided with limit convex to the axis of push rod (14) towards the one end of the clamping section (4)
Rise (151), the snap fit tabs (152) being engaged with the engaging depression (141), the connection are provided with the end face of the other end
Bar (17) is arranged on the one end of the contiguous block (15) towards the clamping section (4), and is connected with the clamping section (4), described
Elastic component (16) one end connects the shell (11), and the other end offsets with the spacing preiection (151).
8. hydraulic turbine main shaft precision switching mechanism according to claim 7, it is characterised in that set in the shell (11)
Have to house the accommodating hole of the sleeve (12) and contiguous block (15), and the accommodating hole is towards the clamping section (4)
One end is provided with gear ring (113), is provided with a support platform (111) on the other end, and the support platform (111) is along described outer
Shell (11) it is axially extending, be provided with draw runner (112) on the support platform (111).
9. hydraulic turbine main shaft precision switching mechanism according to claim 8, it is characterised in that the motor (19) is logical
Cross support frame (191) to be arranged in the support platform (111), and support frame as described above (191) connects the support platform (111)
One end be provided with the chute being engaged with the draw runner (112).
10. hydraulic turbine main shaft precision switching mechanism according to claim 8, it is characterised in that the spacing preiection (151)
For loop configuration, the spacing preiection (151) coordinates with the accommodating interporal lacuna, and the external diameter of the spacing preiection (151) is more than
The internal diameter of the sleeve (12) is less than the external diameter of the sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984204.7A CN107511634B (en) | 2017-10-20 | 2017-10-20 | A kind of hydraulic turbine main shaft precision turnover mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984204.7A CN107511634B (en) | 2017-10-20 | 2017-10-20 | A kind of hydraulic turbine main shaft precision turnover mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107511634A true CN107511634A (en) | 2017-12-26 |
| CN107511634B CN107511634B (en) | 2019-03-26 |
Family
ID=60726181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710984204.7A Active CN107511634B (en) | 2017-10-20 | 2017-10-20 | A kind of hydraulic turbine main shaft precision turnover mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107511634B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975735A (en) * | 2020-08-22 | 2020-11-24 | 刘洋 | Foldable auto repair slide |
| CN112894436A (en) * | 2021-03-03 | 2021-06-04 | 重庆前卫科技集团有限公司 | Fixing tool for machining circumferential surface of waist wheel, using method of fixing tool and machine tool |
| CN113021024A (en) * | 2021-03-03 | 2021-06-25 | 重庆前卫科技集团有限公司 | Fixing tool for processing waist wheel, processing system and processing method |
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| US3837061A (en) * | 1972-05-31 | 1974-09-24 | Mitsui Shipbuilding Eng | Apparatus for positioning a flange |
| JPH11101707A (en) * | 1997-09-29 | 1999-04-13 | Nikko Co Ltd | Piping material air pressure inspection device |
| CN104057233A (en) * | 2014-06-30 | 2014-09-24 | 洛阳天信重工机械有限公司 | Overturning, welding and tightening device |
| CN105856439A (en) * | 2016-06-01 | 2016-08-17 | 泉州市海恩德机电科技发展有限公司 | Transverse sawing device of sandstone machine |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3837061A (en) * | 1972-05-31 | 1974-09-24 | Mitsui Shipbuilding Eng | Apparatus for positioning a flange |
| JPH11101707A (en) * | 1997-09-29 | 1999-04-13 | Nikko Co Ltd | Piping material air pressure inspection device |
| CN104057233A (en) * | 2014-06-30 | 2014-09-24 | 洛阳天信重工机械有限公司 | Overturning, welding and tightening device |
| CN105856439A (en) * | 2016-06-01 | 2016-08-17 | 泉州市海恩德机电科技发展有限公司 | Transverse sawing device of sandstone machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975735A (en) * | 2020-08-22 | 2020-11-24 | 刘洋 | Foldable auto repair slide |
| CN112894436A (en) * | 2021-03-03 | 2021-06-04 | 重庆前卫科技集团有限公司 | Fixing tool for machining circumferential surface of waist wheel, using method of fixing tool and machine tool |
| CN113021024A (en) * | 2021-03-03 | 2021-06-25 | 重庆前卫科技集团有限公司 | Fixing tool for processing waist wheel, processing system and processing method |
| CN113021024B (en) * | 2021-03-03 | 2022-08-05 | 重庆前卫科技集团有限公司 | Fixing tool for processing circumferential surface of waist wheel, processing system and processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107511634B (en) | 2019-03-26 |
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Denomination of invention: A precision turning mechanism for main shaft of hydraulic turbine Effective date of registration: 20201015 Granted publication date: 20190326 Pledgee: Jiangxi Lianhua rural commercial bank Limited by Share Ltd. Pledgor: JIANGXI LIANHUA WATER TURBINE FACTORY Co.,Ltd. Registration number: Y2020980006828 |
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