CN208528582U - Guide vanes of water turbine arm clamp for machining - Google Patents
Guide vanes of water turbine arm clamp for machining Download PDFInfo
- Publication number
- CN208528582U CN208528582U CN201821017310.4U CN201821017310U CN208528582U CN 208528582 U CN208528582 U CN 208528582U CN 201821017310 U CN201821017310 U CN 201821017310U CN 208528582 U CN208528582 U CN 208528582U
- Authority
- CN
- China
- Prior art keywords
- pull rod
- pedestal
- water turbine
- guide vanes
- wedge block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of guide vanes of water turbine arm clamp for machining, including workbench, pull rod, pressing plate, clamping nut, bearing, supporting table and fine adjustment type support device；Fine adjustment type support device includes pedestal, supporting block, wedge block, support plate and trimming bolt；The support plate is set to above pedestal, supporting block is connected to one end of support plate and pedestal, wedge block is clipped between support plate and pedestal, trimming bolt passes through supporting block and is connected on wedge block, drive wedge block mobile by rotation trimming bolt, the pull rod is erected at supporting table side, one end of pressing plate is stretched to above supporting table for compressing guide vane lever, the guide vanes of water turbine arm clamp for machining of the utility model, effective clamp can be carried out to guide vanes of water turbine arm to position, convenient for operation, workpiece is supported with fine adjustment type support device, it can be adjusted within a certain range workpiece height, to adapt to different size of workpiece, improve positioning accuracy；Structure is simple, at low cost, is conducive to promote and apply.
Description
Technical field
The utility model relates to a kind of guide vanes of water turbine arm clamp for machining.
Background technique
The hydraulic turbine is the dynamic power machine for the energy of water flow being converted to rotating mechanical energy, it belongs to the turbine in fluid machinery
It is mechanical.Before and after B.C. 100 years, there have been the blanks 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 mounted in power station, is used to driven generator and is generated electricity.In power station, upstream
Water in reservoir guides the hydraulic turbine into through aqueduct, pushes rotary wheel of water turbine rotation, drives electrical power generators.The water for finishing function then leads to
Cross tail water pipeline row downstream.Head is higher, flow is bigger, and the output power of the hydraulic turbine is also bigger, in the manufacture of the hydraulic turbine
In the process, the machining accuracy strong influence of the guide vane lever performance of the entire hydraulic turbine, but since guide vane lever volume is larger, processing
Difficulty is high, it is not easy to accurately be positioned.
Utility model content
For the defects in the prior art, the utility model provides a kind of guide vanes of water turbine arm clamp for machining, can be to water wheels
Machine guide vane lever carries out effective clamp and positions, and convenient for operation, adapts to different size of workpiece, improves positioning accuracy；Structure letter
It is single, it is at low cost, it is conducive to promote and apply.
The guide vanes of water turbine arm clamp for machining of the utility model, including workbench, pull rod, pressing plate, clamping nut, load dress
It sets, supporting table and fine adjustment type support device；The fine adjustment type support device is placed on the table, and supporting table is placed on fine adjustment type
In support device, fine adjustment type support device includes pedestal, supporting block, wedge block, support plate and trimming bolt；The support plate is set
Above pedestal, supporting block is connected to one end of support plate and pedestal, and wedge block is clipped between support plate and pedestal, trimming bolt
It across supporting block and is connected on wedge block, drives wedge block mobile by rotation trimming bolt, the pull rod is erected at support
Platform side, the lower end of pull rod are connected to workbench, and the pressing plate is sleeved on pull rod upper end, and clamping nut is threadingly attached to draw
Bar upper end, one end of pressing plate are stretched to for compressing guide vane lever above supporting table, and bearing is placed on the table and is supported on
The other end of pressing plate；Supporting block is equipped with the retaining mechanism for being locked to trimming bolt, and the retaining mechanism includes bullet
Spring and thimble, thimble are slidably connected in supporting block along the direction perpendicular to trimming bolt, and spring pocket is outside thimble and elastic
It is supported between thimble and supporting block, for providing elastic force for thimble, withstands on thimble on trimming bolt, utilize thimble and fine tuning
Frictional force between bolt positions trimming bolt, and one end that thimble is withstood on trimming bolt is fixed with rubber antiskid pad,
So that rubber antiskid pad is pressed together in the groove formed between the thread of trimming bolt, increases the contact between trimming bolt
Area and frictional force, it is ensured that the reliability of positioning；Pressing plate can be rotated around pull rod, and when use first rotates by a certain angle pressing plate, be allowed
The space for placing guide vane lever out, then one end of pressing plate is rotated to guide vane lever, tighten clamping nut, can be incited somebody to action by pressing plate
Guide vane lever compresses positioning.
Further, the pull rod includes upper connecting rod, lower pull rod and attaching nut, and upper connecting rod and lower pull rod pass through attaching nut
It is docking together；Upper connecting rod lower end and lower pull rod upper end be equipped with the matched screw thread of attaching nut, the screw thread of upper connecting rod lower end and
The thread rotary orientation of lower pull rod upper end can drive upper connecting rod and lower pull rod on the contrary, therefore when attaching nut rotates in one direction
It draws close or separates, the outer wall of attaching nut is fixed with horizontal sleeve, and at least there are four and around attaching nut's circles for the sleeve
Circumferential direction is uniformly distributed, and be can be used in a rod piece insertion sleeve and is rotatablely connected nut, not only laborsaving, but also convenient for operating,
The guide rod extended downwardly is equipped at the center of upper connecting rod lower end, the section of guide rod is regular polygon, and lower pull rod upper end center is set
There is the guide groove being adapted to guide rod, guide rod is inserted into guide groove, using the cooperation between guide rod and guide groove, makes to pull up
Single-degree-of-freedom sliding matching structure is formed between bar and lower pull rod, avoids causing upper connecting rod with rotation when rotation connection nut,
Upper connecting rod is caused to rotate when being also avoided that rotation clamping nut.
Further, the table top of the workbench is equipped with dovetail groove, and the lower end of lower pull rod, which is equipped with a sliding block, makes lower pull rod
The dovetail groove of workbench is connected to by sliding block；Entire pull rod can be slided with sliding block along dovetail groove, can adjust the position of pull rod.
Further, the bearing is jack.
Further, the table top of the supporting table is equipped with V-shaped groove, is placed with backing plate in V-shaped groove.
Further, the upper end of the upper connecting rod is further sleeved with multiple glands, gland stack and be clipped in clamping nut and
Between pressing plate.
Further, the workbench is equipped with the cushion block for being used to support bearing and fine adjustment type support device.
Further, the thickness of one end that the wedge block is connected with trimming bolt is less than the thickness of the other end, makes wedge block
In isosceles trapezoidal structure, connected by inclined-plane between wedge block and pedestal and support plate, the angle of inclined-plane and horizontal plane is little
In 10 °, self-locking, the active force for the horizontal direction that counteracting wedge block is subject to can be formed under pressure；The trimming bolt
Axis is parallel to the inclined-plane between wedge block and pedestal, and trimming bolt does not generate radial displacement when operation, therefore uses in supporting block
It is made into circular hole come the hole across trimming bolt, without opening strip-shaped hole, improves cooperation precision and integral rigidity；The supporting block
It is equipped with the through-hole passed through for trimming bolt, the outer end of the through-hole is equipped with the deep gouge of the head insertion for trimming bolt, finely tunes spiral shell
Thrust bearing is installed between the inner portion and deep gouge of bolt.
Further, it is fixed together between the supporting block and pedestal, passes through vertical cunning between supporting block and support plate
Rail is slidably matched；Guide rail is equipped on inclined-plane between the wedge block and pedestal and support plate.
The beneficial effects of the utility model are: the guide vanes of water turbine arm clamp for machining of the utility model, can lead the hydraulic turbine
Vane arm carries out effective clamp and positions, and convenient for operation, supports workpiece with fine adjustment type support device, can adjust in a certain range
Whole workpiece height improves positioning accuracy to adapt to different size of workpiece；Structure is simple, at low cost, is conducive to promote and apply.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In the accompanying drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of fine adjustment type support device；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the A-A cross-sectional view of Fig. 2.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
It is as shown in Figs 1-4: the guide vanes of water turbine arm clamp for machining of the present embodiment, including workbench 13, pull rod, pressing plate 6, pressure
Tight nut 4, bearing 8, supporting table 1 and fine adjustment type support device 14；The fine adjustment type support device 14 is placed on workbench
On 13, supporting table 1 is placed in fine adjustment type support device 14, and fine adjustment type support device 14 includes pedestal 15, supporting block 18, wedge shape
Block 20, support plate 19 and trimming bolt 16；The support plate 19 is set to 15 top of pedestal, and supporting block 18 is connected to 19 He of support plate
One end of pedestal 15, wedge block 20 are clipped between support plate 19 and pedestal 15, and trimming bolt 16 passes through supporting block 18 and is connected to
On wedge block 20, drive wedge block 20 mobile by rotation trimming bolt 16, the pull rod is erected at 1 side of supporting table, pull rod
Lower end be connected to workbench 13, the pressing plate 6 is sleeved on pull rod upper end, and clamping nut 4 is threadingly attached to pull rod upper end,
One end of pressing plate 6 is stretched to for compressing guide vane lever 3 above supporting table 1, and bearing 8 is placed on workbench 13 and is supported on pressure
The other end of plate 6；Supporting block 18 is equipped with the retaining mechanism for being locked to trimming bolt 16, and the retaining mechanism includes
Spring and thimble 21, thimble 21 are slidably connected in supporting block 18 along the direction perpendicular to trimming bolt 16, and spring pocket is in thimble
21 outsides are simultaneously resiliently supported between thimble 21 and supporting block 18, for providing elastic force for thimble 21, thimble 21 are made to withstand on fine tuning
On bolt 16, trimming bolt 16 is positioned using the frictional force between thimble 21 and trimming bolt 16, thimble 21 withstands on micro-
It adjusts one end on bolt 16 to be fixed with rubber antiskid pad, rubber antiskid pad is enable to be pressed together on shape between the thread of trimming bolt 16
At groove in, increase and trimming bolt 16 between contact area and frictional force, it is ensured that the reliability of positioning；Pressing plate 6 can be around
Pull rod rotation, when use, first rotate by a certain angle pressing plate 6, the space for placing guide vane lever 3 are conceded, then by one end of pressing plate 6
Rotation tightens clamping nut 4, can compress guide vane lever 3 by pressing plate 6 and position, the pull rod includes pull-up to 3 top of guide vane lever
Bar 7, lower pull rod 10 and attaching nut 9, upper connecting rod 7 and lower pull rod 10 are docking together by attaching nut 9；7 lower end of upper connecting rod
It is equipped with and the matched screw thread of attaching nut 9, the screw thread of the screw thread of 7 lower end of upper connecting rod and lower 10 upper end of pull rod with lower 10 upper end of pull rod
It is oppositely oriented, therefore when attaching nut 9 rotates in one direction, upper connecting rod 7 and lower pull rod 10 can be driven to draw close or separate, even
The outer wall of connected nut 9 is fixed with horizontal sleeve, the sleeve at least there are four and uniformly divide around 9 circumferencial direction of attaching nut
Cloth can be used in a rod piece insertion sleeve and be rotatablely connected nut 9, not only laborsaving, but also convenient for operation, 7 lower end of upper connecting rod
The guide rod extended downwardly is equipped at center, the section of guide rod is regular polygon, and lower 10 upper end center of pull rod is equipped with and guiding
The guide groove of bar adaptation, guide rod are inserted into guide groove, using the cooperation between guide rod and guide groove, make upper connecting rod 7 under
Single-degree-of-freedom sliding matching structure is formed between pull rod 10, avoids causing upper connecting rod 7 with rotation when rotation connection nut 9,
Upper connecting rod 7 is caused to rotate when being avoided that rotation clamping nut 4.
In the present embodiment, the table top of the workbench 13 is equipped with dovetail groove, and the lower end of lower pull rod 10 is equipped with a sliding block
12 make lower pull rod 10 pass through the dovetail groove that sliding block 12 is connected to workbench 13；Entire pull rod can be sliding along dovetail groove with sliding block 12
It is dynamic, it can adjust the position of pull rod, the bearing 8 is jack, and the table top of the supporting table 1 is equipped with V-shaped groove, in V-shaped groove
It is placed with backing plate 2, the upper end of the upper connecting rod 7 is further sleeved with multiple glands 5, and gland 5 stacks and is clipped in 4 He of clamping nut
Between pressing plate 6, the workbench 13 is equipped with the cushion block 11 for being used to support bearing 8 and fine adjustment type support device 14.
In the present embodiment, the thickness of one end that the wedge block 20 is connected with trimming bolt 16 is less than the thickness of the other end,
So that wedge block 20 is connected by inclined-plane between wedge block 20 and pedestal 15 and support plate 19 in isosceles trapezoidal structure, inclined-plane with
The angle of horizontal plane is not more than 10 °, can form self-locking, the effect for the horizontal direction that counteracting wedge block 20 is subject under pressure
Power；The axis of the trimming bolt 16 is parallel to the inclined-plane between wedge block 20 and pedestal 15, and trimming bolt 16 does not produce when operation
Raw radial displacement, therefore be used to be made into circular hole across the hole of trimming bolt 16 in supporting block 18, without opening strip-shaped hole, improve
Cooperate precision and integral rigidity；The supporting block 18 is equipped with the through-hole passed through for trimming bolt 16, and the outer end of the through-hole is equipped with
For the deep gouge of the head insertion of trimming bolt 16, thrust bearing 17 is installed between the inner portion and deep gouge of trimming bolt 16,
It is fixed together between the supporting block 18 and pedestal 15, is matched between supporting block 18 and support plate 19 by vertical sliding rail sliding
It closes；Guide rail is equipped on inclined-plane between the wedge block 20 and pedestal 15 and support plate 19.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (9)
1. a kind of guide vanes of water turbine arm clamp for machining, it is characterised in that: including workbench, pull rod, pressing plate, clamping nut, load
Device, supporting table and fine adjustment type support device；The fine adjustment type support device is placed on the table, and supporting table is placed on fine tuning
In formula support device, fine adjustment type support device includes pedestal, supporting block, wedge block, support plate and trimming bolt；The support plate
Above pedestal, supporting block is connected to one end of support plate and pedestal, and wedge block is clipped between support plate and pedestal, finely tunes spiral shell
Bolt passes through supporting block and is connected on wedge block, drives wedge block mobile by rotation trimming bolt, the pull rod is erected at branch
Platform side is supportted, the lower end of pull rod is connected to workbench, and the pressing plate is sleeved on pull rod upper end, and clamping nut is threadingly attached to
Pull rod upper end, one end of pressing plate are stretched to for compressing guide vane lever above supporting table, and bearing is placed on the table and supported
In the other end of pressing plate.
2. guide vanes of water turbine arm clamp for machining according to claim 1, it is characterised in that: the pull rod include upper connecting rod,
Lower pull rod and attaching nut, upper connecting rod and lower pull rod are docking together by attaching nut.
3. guide vanes of water turbine arm clamp for machining according to claim 2, it is characterised in that: the table top of the workbench is equipped with
Dovetail groove, the lower end of lower pull rod are equipped with the dovetail groove that a sliding block makes lower pull rod be connected to workbench by sliding block.
4. guide vanes of water turbine arm clamp for machining according to claim 3, it is characterised in that: the bearing is very heavy
Top.
5. guide vanes of water turbine arm clamp for machining according to claim 4, it is characterised in that: the table top of the supporting table is equipped with
V-shaped groove is placed with backing plate in V-shaped groove.
6. guide vanes of water turbine arm clamp for machining according to claim 5, it is characterised in that: the upper end of the upper connecting rod also covers
Equipped with multiple glands, gland is stacked and is clipped between clamping nut and pressing plate.
7. guide vanes of water turbine arm clamp for machining according to claim 6, it is characterised in that: the workbench is equipped with and is used for
Support the cushion block of bearing and fine adjustment type support device.
8. guide vanes of water turbine arm clamp for machining according to claim 7, it is characterised in that: the wedge block and trimming bolt
The thickness of connected one end is less than the thickness of the other end, makes wedge block in isosceles trapezoidal structure, wedge block and pedestal and support plate
Between connected by inclined-plane；The axis of the trimming bolt is parallel to the inclined-plane between wedge block and pedestal；The supporting block
It is equipped with the through-hole passed through for trimming bolt, the outer end of the through-hole is equipped with the deep gouge of the head insertion for trimming bolt, finely tunes spiral shell
Thrust bearing is installed between the inner portion and deep gouge of bolt.
9. guide vanes of water turbine arm clamp for machining according to claim 8, it is characterised in that: between the supporting block and pedestal
It is fixed together, is slidably matched between supporting block and support plate by vertical sliding rail；The wedge block and pedestal and support plate
Between inclined-plane on be equipped with guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017310.4U CN208528582U (en) | 2018-06-27 | 2018-06-27 | Guide vanes of water turbine arm clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017310.4U CN208528582U (en) | 2018-06-27 | 2018-06-27 | Guide vanes of water turbine arm clamp for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208528582U true CN208528582U (en) | 2019-02-22 |
Family
ID=65379229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821017310.4U Active CN208528582U (en) | 2018-06-27 | 2018-06-27 | Guide vanes of water turbine arm clamp for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208528582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052671A (en) * | 2019-04-30 | 2019-07-26 | 中国船舶重工集团公司第七0七研究所 | A kind of TiC base steel bonded carbide closely-pitched external screw thread milling attachment and its numerical control milling method |
| CN114012342A (en) * | 2021-12-10 | 2022-02-08 | 东方电气集团东方电机有限公司 | Water turbine runner positioning and welding method based on wedge-shaped auxiliary device |
-
2018
- 2018-06-27 CN CN201821017310.4U patent/CN208528582U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052671A (en) * | 2019-04-30 | 2019-07-26 | 中国船舶重工集团公司第七0七研究所 | A kind of TiC base steel bonded carbide closely-pitched external screw thread milling attachment and its numerical control milling method |
| CN114012342A (en) * | 2021-12-10 | 2022-02-08 | 东方电气集团东方电机有限公司 | Water turbine runner positioning and welding method based on wedge-shaped auxiliary device |
| CN114012342B (en) * | 2021-12-10 | 2023-05-26 | 东方电气集团东方电机有限公司 | Water turbine runner positioning and welding method based on wedge-shaped auxiliary device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208528582U (en) | Guide vanes of water turbine arm clamp for machining | |
| CN205465135U (en) | Wind -powered electricity generation wheel hub becomes full -automatic machine of screwing up of oar bearing bolt | |
| CN205703740U (en) | A kind of polishing workpiece vacuum fixture self-checking device | |
| CN208614309U (en) | Stationary fixture is used in a kind of processing of refrigeration accessory | |
| CN208499745U (en) | A kind of steel plate processing equipment hand | |
| CN219685033U (en) | Engine cylinder inner wall polishing device | |
| CN208528912U (en) | Guide vane lever tooling | |
| CN107825091A (en) | The carrying positioner of liner plate on a kind of draught fan impeller | |
| CN208879720U (en) | A kind of pipe part positioning device | |
| CN208967333U (en) | A kind of various dimensions burr adjustable tail margin | |
| CN208906930U (en) | A kind of steel plate processing equipment hand | |
| WO2014139459A1 (en) | Stable wind power generating system | |
| CN208169862U (en) | A kind of automatic inductive detector fixture of integration | |
| CN104002133B (en) | Marine fan blade quick position fixture | |
| CN216098077U (en) | Auxiliary device for curling of air pipe opening | |
| CN206435922U (en) | A kind of welding processing tool of wind wheel | |
| CN208518934U (en) | A kind of centrifugal blower freely adjusting air-out direction | |
| CN110043419A (en) | A kind of adjustable tidal electricity generating apparatus | |
| CN109812380A (en) | A kind of hydraulic turbine of adjustable water inlet size | |
| CN209648213U (en) | The straight processing tool for driving generator support of high-power offshore wind farm | |
| CN208310954U (en) | A kind of darrieus vertical axes blower promoting starting performance | |
| CN208841604U (en) | A kind of slide plate carbon radian milling device | |
| CN208409281U (en) | A kind of new pump clamp for machining | |
| CN207402216U (en) | A kind of solar energy processing cutter device convenient for clamping | |
| CN217152259U (en) | Full-automatic microcomputer control's roots vacuum pump test platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |