CN202668150U - Leveling device used in process of milling base frame of megawatt-class nuclear turbine - Google Patents
Leveling device used in process of milling base frame of megawatt-class nuclear turbine Download PDFInfo
- Publication number
- CN202668150U CN202668150U CN 201220330036 CN201220330036U CN202668150U CN 202668150 U CN202668150 U CN 202668150U CN 201220330036 CN201220330036 CN 201220330036 CN 201220330036 U CN201220330036 U CN 201220330036U CN 202668150 U CN202668150 U CN 202668150U
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- bolt
- riser
- base plate
- lag
- milling process
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- 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.)
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Abstract
The utility model relates to a leveling device used in the milling process, discloses a leveling device used in the process of milling a base frame of a megawatt-class nuclear turbine and achieves the effect that the megawatt-class nuclear turbine can be easily leveled when milled. The leveling device comprises a base, a sliding block, a bolt and at least one nut, wherein the base consist of a vertical plate and a base plate; the vertical plate is vertically arranged at one end of the base plate; the sliding block is arranged on the base plate; a first U-shaped groove and a second U-shaped groove are respectively formed on the base plate and the sliding block along the central line N-N and are aligned with each other vertically; oblique surfaces matched with wedge-shaped surfaces of wedge-shaped bodies are formed on the lower end surface of the sliding block and in sliding connection with the wedge-shaped surfaces of the wedge-shaped bodies; a threaded hole is formed in the U-shaped bottom of the U-shaped groove; and a bolt mounting hole opposite to the threaded hole is formed in the vertical plate. During use, the bolt penetrates through the bolt mounting hole and the nut and is in threaded connection with the thread hole, the bolt is rotated to drive the sliding block to move along the axis so as to adjust a plane of the base frame. The leveling device is used in the process of milling the base frame of the nuclear turbine.
Description
Technical field
The utility model relates to a kind of Milling Process leveling unit.
Background technology
1,000,000 nuclear steam turbine group process technologies require very high, difficulty of processing is very large, wherein the flatness of pedestal requires very high, it directly affects the adjustment stability of unit, during existing conventional steam turbine pedestal Milling Process, employing comes levelling with the method for parallels around pedestal, and 1,000,000 nuclear steam turbine pedestal sizes are large, yielding, when pressing parallels method levelling in the past, cause the pedestal intermediate recess because the self gravitation of 1,000,000 nuclear steam turbine pedestals is crossed conference, use again jack when pedestal central bottom adjustment height, because the jack height is high, contact area is little, adjusts highly difficulty with it, so that 1,000,000 nuclear steam turbine pedestal levellings are very difficult.
The utility model content
The purpose of this utility model is when solving existing 1,000,000 nuclear steam turbine pedestal Milling Process, the levelling hard problem, and provide a kind of for 1,000,000 nuclear steam turbine pedestal Milling Process leveling units.
The utility model comprises base, slide block, bolt, at least one nut, described base is comprised of riser and base plate, riser is vertically set on an end of base plate upper surface, riser and base plate are made one, described base plate is provided with the first U-lag along center line N-N place, and the first U-lag opening is positioned at an end opposite with riser, be positioned at the first U-lag both sides on the base plate and be arranged with sphenoid take center line N-N as benchmark, the lower surface of described slide block is provided with the inclined-plane that the lozenges with two sphenoids matches, the lower surface of slide block is provided with boss near a side of riser, the width of described boss is equal to or less than the spacing of two sphenoids, described slide block be provided with the first U-lag on, lower over against the second U-lag, the U-shaped bottom of described the second U-lag is provided with screwed hole, slide block be arranged on base plate above, and boss is between two sphenoids, and the lozenges of described inclined-plane and sphenoid is slidingly connected; Described riser be provided with screwed hole over against bolt mounting holes, bolt passes bolt mounting holes, nut and screwed hole, and nut is connected with bolt thread.
The utility model compared with prior art has following effect: one, the utility model utilizes inclined-plane on the slide block and the lozenges on the base plate, by swivel bolt band movable slider along axial-movement, to adjust the height on pedestal plane, the utility model has solved 1,000,000 nuclear steam turbine pedestal Milling Process levelling hard problems.Two, the utility model height is fit to, and supporting surface is large and stable, easily operation.Three, this device is manufactured easily, and cost is low, is convenient to use on a large scale.
Description of drawings
Fig. 1 is overall structure stereogram of the present utility model, Fig. 2 is front view of the present utility model, Fig. 3 is the top view of Fig. 2, Fig. 4 is the A-A cutaway view of Fig. 3, and Fig. 5 is the front view of base 1, and Fig. 6 is the top view of Fig. 5, Fig. 7 is the front view of slide block 2, Fig. 8 is the right view of Fig. 7, and Fig. 9 is the top view of Fig. 7, and Figure 10 is the left view of Fig. 7.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1～Figure 10, present embodiment comprises base 1, slide block 2, bolt 3, at least one nut 4, described base 1 is comprised of riser 1-1 and base plate 1-2, riser 1-1 is vertically set on an end of base plate 1-2 upper surface, riser 1-1 and base plate 1-2 make one, described base plate 1-2 is provided with the first U-lag 1-2-1 along center line N-N place, and the first U-lag 1-2-1 opening is positioned at an end opposite with riser 1-1, be positioned at the first U-lag 1-2-1 both sides on the base plate 1-2 and be arranged with sphenoid 1-3 take center line N-N as benchmark, the lower surface of described slide block 2 is provided with the inclined-plane 2-1 that the lozenges with two sphenoid 1-3 matches, the lower surface of slide block 2 is provided with boss 2-2 near the side of riser 1-1, the width of described boss 2-2 is equal to or less than the spacing of two sphenoid 1-3, described slide block 2 be provided with the first U-lag 1-2-1 on, lower over against the second U-lag 2-3, the U-shaped bottom of described the second U-lag 2-3 is provided with screwed hole 2-4, slide block 2 be arranged on base plate 1-2 above, and boss 2-2 is located between two sphenoid 1-3, and the lozenges of described inclined-plane 2-1 and sphenoid 1-3 is slidingly connected; Described riser 1-1 be provided with screwed hole 2-4 over against bolt mounting holes 1-1-1, bolt 3 passes bolt mounting holes 1-1-1, nut 4 and screwed hole 2-4, and nut 4 is threaded with bolt 3.Bolt 3 is threaded with nut 4 and has limited moving axially of slide block 2.Can move along bolt 3 axis directions by band movable slider 2 with spanner swivel bolt 3, so that slide block 2 on the wedge shape inclined-plane of base 1 along the axis rectilinear motion, the height of slide block 2 on the lozenges of base 1 changed, thereby realized the Height Adjustment of pedestal.When utilizing the utility model centering, with several this device rectangular array, to realize adjusting the purpose on pedestal plane.
The specific embodiment two: in conjunction with Fig. 1, Fig. 4 and Fig. 5 present embodiment is described, the bolt mounting holes 1-1-1 of present embodiment is slotted hole, so arranges, and is convenient to bolt mounting holes 1-1-1 and screwed hole 2-4 centering, makes bolt 3 that the adjustment space be arranged.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 2, Fig. 3 and Fig. 4 present embodiment is described, present embodiment is different from the specific embodiment one or two is that it also increases the first packing ring 5 is arranged, and described the first packing ring 5 is arranged between riser 1-1 medial surface and the nut 4.The first packing ring 5 is so that nut 4 is connected with bolt 3 is more fastening.Other composition and annexation are identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 1～Fig. 4 present embodiment is described, present embodiment and the specific embodiment three are different is that it also increases the second packing ring 6 is arranged, and described the second packing ring 6 is arranged between the head and riser 1-1 lateral surface of bolt 3.The second packing ring 6 is not so that the sidewall of the head of bolt 3 and riser 1-1 produces wearing and tearing.Other composition and annexation are identical with the specific embodiment three.
Claims (4)
1. one kind is used for 1,000,000 nuclear steam turbine pedestal Milling Process leveling units, it is characterized in that: described Milling Process leveling unit comprises base (1), slide block (2), bolt (3), at least one nut (4), described base (1) is comprised of riser (1-1) and base plate (1-2), riser (1-1) is vertically set on an end of base plate (1-2) upper surface, riser (1-1) is made one with base plate (1-2), described base plate (1-2) is provided with the first U-lag (1-2-1) along center line N-N place, and the first U-lag (1-2-1) opening is positioned at an end opposite with riser (1-1), be positioned at the first U-lag (1-2-1) both sides on the base plate (1-2) and be arranged with sphenoid (1-3) take center line N-N as benchmark, the lower surface of described slide block (2) is provided with the inclined-plane (2-1) that the lozenges with two sphenoids (1-3) matches, the lower surface of slide block (2) is provided with boss (2-2) near a side of riser (1-1), the width of described boss (2-2) is equal to or less than the spacing of two sphenoids (1-3), described slide block (2) be provided with the first U-lag (1-2-1) on, lower over against the second U-lag (2-3), the U-shaped bottom of described the second U-lag (2-3) is provided with screwed hole (2-4), slide block (2) be arranged on base plate (1-2) above, and boss (2-2) is located between two sphenoids (1-3), and described inclined-plane (2-1) is slidingly connected with the lozenges of sphenoid (1-3); Described riser (1-1) be provided with screwed hole (2-4) over against bolt mounting holes (1-1-1), bolt (3) passes bolt mounting holes (1-1-1), nut (4) and screwed hole (2-4), and nut (4) is threaded with bolt (3).
2. according to claim 1 a kind of for 1,000,000 nuclear steam turbine pedestal Milling Process leveling units, it is characterized in that: described bolt mounting holes (1-1-1) is slotted hole.
3. according to claim 1 and 2 a kind of for 1,000,000 nuclear steam turbine pedestal Milling Process leveling units, it is characterized in that: described Milling Process leveling unit also comprises the first packing ring (5), and described the first packing ring (5) is arranged between riser (1-1) medial surface and the nut (4).
4. according to claim 3 a kind of for 1,000,000 nuclear steam turbine pedestal Milling Process leveling units, it is characterized in that: described Milling Process leveling unit also comprises the second packing ring (6), and described the second packing ring (6) is arranged between the head and riser (1-1) lateral surface of bolt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330036 CN202668150U (en) | 2012-07-09 | 2012-07-09 | Leveling device used in process of milling base frame of megawatt-class nuclear turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220330036 CN202668150U (en) | 2012-07-09 | 2012-07-09 | Leveling device used in process of milling base frame of megawatt-class nuclear turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202668150U true CN202668150U (en) | 2013-01-16 |
Family
ID=47489083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220330036 Expired - Lifetime CN202668150U (en) | 2012-07-09 | 2012-07-09 | Leveling device used in process of milling base frame of megawatt-class nuclear turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202668150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339199A (en) * | 2014-10-08 | 2015-02-11 | 哈尔滨汽轮机厂有限责任公司 | Clamping device for milling pedestal plate of steam turbine |
| CN104384848A (en) * | 2014-10-09 | 2015-03-04 | 哈尔滨汽轮机厂有限责任公司 | Machining method of adjusting oblique block |
-
2012
- 2012-07-09 CN CN 201220330036 patent/CN202668150U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339199A (en) * | 2014-10-08 | 2015-02-11 | 哈尔滨汽轮机厂有限责任公司 | Clamping device for milling pedestal plate of steam turbine |
| CN104384848A (en) * | 2014-10-09 | 2015-03-04 | 哈尔滨汽轮机厂有限责任公司 | Machining method of adjusting oblique block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |