CN203906164U - Positioning device for lower rack mounting base of hydroelectric generating set - Google Patents
Positioning device for lower rack mounting base of hydroelectric generating set Download PDFInfo
- Publication number
- CN203906164U CN203906164U CN201420344823.1U CN201420344823U CN203906164U CN 203906164 U CN203906164 U CN 203906164U CN 201420344823 U CN201420344823 U CN 201420344823U CN 203906164 U CN203906164 U CN 203906164U
- Authority
- CN
- China
- Prior art keywords
- positioning
- bearing bracket
- lower bearing
- flexible connection
- dish
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Hydraulic Turbines (AREA)
Abstract
The utility model provides a positioning device for a lower rack mounting base of a hydroelectric generating set. The positioning device is characterized in that a fixed connecting plate is arranged in the middle of a shaft and hinged with one end of each positioning rod, and positioning plates are arranged at the other ends of the positioning rods; one end of each inclined support rod is hinged to the corresponding positioning rod from the lower side, the shaft is movably sleeved with a movable connecting plate which is hinged with the other end of the inclined support rod, an upper positioning plate and a lower positioning plate are further arranged on the shaft, and the movable connecting plate slides between the upper positioning plate and the lower positioning plate; and the positioning device further comprises a lifting device connected with the movable connecting plate. During mounting, the positioning rods are in a folded state and enter a to-be-mounted part through a limit channel. According to the retractable lower rack mounting base positioning device, a lower rack can be pre-installed for foundation bolt positioning during construction of seat ring processing and stator winding installation processes, then the secondary concrete casting process can be performed, linear construction period for unit mounting is not occupied, and mounting in place is facilitated due to the retractable structure.
Description
Technical field
The utility model relates to hydraulic generator unit lower bearing bracket foundation location is installed, and particularly a kind of hydraulic generator unit lower bearing bracket is installed foundation location device.
Background technique
Hydraulic generator unit lower bearing bracket is generally comprised of 1 centerbody and many support arms, and its installation precision is had relatively high expectations, and for guaranteeing many support arm installation precisioies, before it is installed, needs its anchor bolt accurately to locate.Lower bearing bracket mounting point is related to that schematic diagram is shown in Fig. 1.According to conventional technique, lower bearing bracket lifting is built its basic second stage concrete behind location again, can guarantee the accurate location of lower bearing bracket, but because lower bearing bracket is load-bearing frame, concrete strength reaches after designing requirement could hoisting rotor, longer during concrete curing, any installment work can not be carried out in unit machine hole in the meantime, has accounted for the longer straight line duration; Because the sole plate of lower bearing bracket is larger, it affects base concrete after installing and builds vibration compacting simultaneously, and basic pouring quality is difficult to guarantee, will impacts unit operation stability.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of hydraulic generator unit lower bearing bracket foundation location device is installed, and can build in the accurate location that does not take straight line and realize the in the situation that of the duration lower bearing bracket anchor bolt, and be convenient to installation in position.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of hydraulic generator unit lower bearing bracket is installed foundation location device, the medium position of axle is provided with and is fixedly connected with dish, be fixedly connected with dish hinged with one end of a plurality of positioning rods, the other end of positioning rod is provided with positioning plate, and positioning plate is provided with for locating the hole of lower bearing bracket foundation location bolt;
One end of inclined support bar is hinged from below and positioning rod, on axle, movable sheath is connected to flexible connection dish, the other end of flexible connection dish and inclined support bar is hinged, is also provided with positioning disk and lower positioning disk on axle, and flexible connection dish slides between upper positioning disk and lower positioning disk;
Also be provided with lifting device, lifting device is connected with flexible connection dish.
When flexible connection dish upper-end surface contacts with upper positioning disk, the position of positioning plate location lower bearing bracket foundation location bolt.
When the lower end surface of flexible connection dish contacts with lower positioning disk, the external diameter of a circle of a plurality of positioning rods is less than the diameter of restricted access.
Described lifting device comprises: be arranged on the operating platform on axle, be located at the hangers on axle top, hangers is provided with chain block, and chain block is connected with the hanger being fixedly connected with on dish.
Adopt above-mentioned hydraulic generator unit lower bearing bracket that foundation location device is installed and carry out the method that lower bearing bracket is installed foundation location, comprise the following steps:
One, assembling lower bearing bracket is installed foundation location device;
Two, adopt the lifting appliance lower bearing bracket of slinging that foundation location device is installed, lower bearing bracket is installed foundation location device and become rounding state under positioning rod Gravitative Loads, and under this state, lower bearing bracket is installed foundation location device and entered position to be installed by restricted access;
Three, enter behind installation position, workmen stands in the pull-up flexible connection dish that slides on operating platform and slides vertically and reach positioning disk position, flexible connection dish promotes inclined support bar makes positioning rod become level, fixing flexible connection dish, lower bearing bracket is installed to foundation location device Primary Location, and then accurate adjustment, accurately locates the positioning plate of positioning rod termination, lower bearing bracket foundation location bolt is installed, is built anchor bolt second stage concrete;
Four,, when lower bearing bracket anchor bolt second stage concrete is built complete reaching after designing requirement, dismounting foundation location bolt is connected with positioning plate;
With lifting appliance, hang lower bearing bracket foundation location device is installed, unclamp fixing flexible connection dish, the lower bearing bracket of then slinging is installed foundation location device;
Under Action of Gravity Field, positioning rod becomes rounding state, by restricted access, hangs out;
By above-mentioned steps, realize the installation of lower bearing bracket foundation location bolt.
In step 3, by chain block pull-up flexible connection, coil, and strain fixedly flexible connection dish of chain block.
For lower bearing bracket, install and do not account for the straight line duration, can guarantee lower bearing bracket installation precision again, can adopt and first pre-install lower bearing bracket, at seat ring processing, stator winding installation operation construction period prepackage lower bearing bracket, carry out anchor bolt location after-pouring second stage concrete operation, then remove lower bearing bracket, can avoid like this base concrete preserving period to take the problem that unit is installed the straight line duration.But because hydraulic generator stator now rolls off the production line, be erected with dust-proof shed, lower bearing bracket prepackage is limited with regard to bit port, sees that Fig. 1 lower bearing bracket mounting point is related to schematic diagram.
A kind of hydraulic generator unit lower bearing bracket that the utility model provides is installed foundation location device, by adopting telescopic lower bearing bracket, foundation location device is installed, can process at seat ring, stator winding installation operation construction period prepackage lower bearing bracket carries out anchor bolt location after-pouring second stage concrete operation, avoid taking unit the straight line duration be installed.And adopt telescopic structure, be convenient to installation in position, under Gravitative Loads, positioning rod draws in and is convenient to reduce the impact on stator winding installation operation by restricted access.Under chain block External Force Acting, positioning rod can strut, and has met the accurate location of lower bearing bracket anchor bolt; Accelerated unit installation rate, for hydraulic generator unit lower bearing bracket installation quality provides guarantee.Device preparation process of the present utility model is simple; Lightweight easy for installation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 lower bearing bracket mounting point is related to schematic diagram.
Fig. 2 is the main TV structure schematic diagram of the utility model device.
Fig. 3 is the A-A cross-sectional schematic of Fig. 2.
In figure: lower bearing bracket 1, lower bearing bracket basis 2, restricted access 3, rotor 4, stator 5, dust-proof shed side wall limit 6, the second articulating points 7, inclined support bar 8, the 3rd articulating point 9, lower positioning disk 10, upper positioning disk 11, hanger 12, operating platform 13, hangers 14, chain block 15, axle 16, is fixedly connected with dish 17, the first articulating points 18, positioning rod 19, positioning plate 20, flexible connection dish 21.
Embodiment
Embodiment 1:
In Fig. 1～3, a kind of hydraulic generator unit lower bearing bracket is installed foundation location device, the medium position of axle 16 is provided with and is fixedly connected with dish 17, be fixedly connected with dish 17 hinged by the first articulating point 18 with one end of a plurality of positioning rods 19, the other end of positioning rod 19 is provided with positioning plate 20, and positioning plate 20 is provided with for locating the hole of lower bearing bracket basis 2 holding down bolts;
One end of inclined support bar 8 is hinged with positioning rod 19 by the second articulating point 7 from below, on axle 16, movable sheath is connected to flexible connection dish 21, flexible connection dish 21 is hinged by the 3rd articulating point 9 with the other end of inclined support bar 8, positioning disk 11 and lower positioning disk 10 on being also installed with on axle 16, flexible connection dish 21 slides between upper positioning disk 11 and lower positioning disk 10;
Also be provided with lifting device, lifting device is connected with flexible connection dish 21.Structure thus, the positioning plate of positioning rod termination is used for locating lower bearing bracket foundation location bolt, to avoid the impact on stator winding installation operation.Positioning rod 19 adopts telescopic structure, thereby from restricted access 3, passes through after being convenient to draw in.
In Fig. 2, when flexible connection is coiled 21 upper-end surfaces while contacting with upper positioning disk 11, the position of positioning plate 20 lower bearing bracket basis, location 2 holding down bolts.Structure, can guarantee the positional accuracy of positioning plate 20 thus, thereby guarantees the accurate location of lower bearing bracket anchor bolt.
As shown in the below dotted line in Fig. 2, when the lower end surface of flexible connection dish 21 contacts with lower positioning disk 10, the external diameter of a circle of a plurality of positioning rods 19 is less than the diameter of restricted access 3.Structure, is convenient to by restricted access 3 thus.
Preferred as in Fig. 2, described lifting device comprises: be arranged on the operating platform 13 on axle 16, be located at the hangers 14 on axle 16 tops, hangers 14 is provided with chain block 15, and chain block 15 is connected with the hanger 12 being fixedly connected with on dish 17.Structure, with the lower cost of realizing, realizes lifting or the decline of flexible connection dish 21 thus.
Embodiment 2:
In Fig. 1～3, a kind of method that adopts above-mentioned hydraulic generator unit lower bearing bracket installation foundation location device to carry out lower bearing bracket installation foundation location, comprises the following steps:
One, assembling lower bearing bracket is installed foundation location device;
According to hydraulic generator unit lower bearing bracket support arm, basic quantity and location dimension are installed, according to embodiment 1 scheme, manufacture telescopic lower bearing bracket foundation location device is installed, its every rod member rigidity will meet design requirement, and will facilitate the on-the-spot adjustment of installing.
Assembling process is as follows:
Be fixedly connected with dish 17, lower positioning disk 10 and upper positioning disk 11 and be all fixed on axle 16, flexible connection dish 21 can slide along axle 16 between lower positioning disk 10 and upper positioning disk 11; Positioning rod 19, with to be fixedly connected with dish 17 hinged by the first articulating point 18, adopts bolt socket in this example, guarantee that positioning rod 19 and the first articulating point 18 can accurately install adjustment fast; Positioning plate 20 is arranged on positioning rod 19 terminations according to design attitude;
Inclined support bar 8 is connected by the 3rd articulating point 9 with flexible connection dish 21, and the connecting end of inclined support bar 8 and the 3rd articulating point 9 adopts bolt socket, guarantees inclined support bar 8 and the accurate quick mounting adjustment of the 3rd articulating point 9.
Be suspended on the chain block 15 on the utility model device, its sheave block one end hangs on the hangers 14 that is welded on axle top circle, the other end hangs to hold and is welded on the hanger 12 on flexible connection dish 21, hangers 14 is corresponding one by one up and down with hanger 12 spatial position, and symmetrical, and between positioning rod 19 as shown in Figure 3, while guaranteeing that the chain block 15 hanging on it moves, not be subject to the impact of positioning rod 5.
Being suspended on the operating platform 13 on axle 16, is to adopt tripod to be suspended on the platform of setting up on the hangers welding on axle, the motion space of reserved chain block while setting up platform, the space of for example passing for chain.
Two, lower bearing bracket is installed foundation location device is installed, adopt the lifting appliance lower bearing bracket of slinging that foundation location device is installed, lower bearing bracket is installed foundation location device and become rounding state under positioning rod 19 Gravitative Loads, under this state, lower bearing bracket is installed foundation location device and is entered position to be installed by restricted access 3;
Three, lower bearing bracket being installed to anchor bolt accurately locates, enter behind installation position, workmen stands in the pull-up flexible connection dish 21 that slides on operating platform 13 and reaches upper positioning disk 11 positions along axle 16 upward slidings, flexible connection dish 21 promotes inclined support bar 8 and makes 19 one-tenth levels of positioning rod, fixedly flexible connection dish 21, lower bearing bracket is installed to foundation location device Primary Location, then accurate adjustment, the positioning plate 20 of positioning rod 19 terminations is accurately located, lower bearing bracket foundation location bolt is installed, is built anchor bolt second stage concrete;
Four,, when lower bearing bracket anchor bolt second stage concrete is built complete reaching after designing requirement, dismounting foundation location bolt is connected with positioning plate 20;
With lifting appliance, hang lower bearing bracket foundation location device is installed, unclamp fixing flexible connection dish 21, the lower bearing bracket of then slinging is installed foundation location device;
Under Action of Gravity Field, the utility model device positioning rod 19 and inclined support bar 8 promote flexible connection dish 21 and along axle, slide to the position of lower positioning disk 10 for 16 times, 19 one-tenth rounding states of positioning rod under Action of Gravity Field, then hang out device of the present utility model with lifting appliance by restricted access 3;
By above-mentioned steps, realize the installation of lower bearing bracket foundation location bolt.
Preferably, in step 3, by chain block 15 pull-up flexible connection dishes 21, and strain fixedly flexible connection dish 21 of chain block 15.
The utility model is simple in structure, easy to operate, greatly shortened and taken the straight line duration that unit is installed, solved unit the interactive problem of each operation cross-operation has been installed, effectively solved the problem of lower bearing bracket base concrete density, realize the accurate location of lower bearing bracket, guaranteed the installation quality of lower bearing bracket, shortened unit installation period.
The above embodiments are only optimal technical scheme of the present utility model; and should not be considered as for restriction of the present utility model; the technological scheme that protection domain of the present utility model should be recorded with claim, comprises that the alternative that is equal to of technical characteristics in the technological scheme that claim records is protection domain.Being equal within the scope of this, replaces and improves, also within protection domain of the present utility model.
Claims (4)
1. a hydraulic generator unit lower bearing bracket is installed foundation location device, it is characterized in that: the medium position of axle (16) is provided with and is fixedly connected with dish (17), be fixedly connected with dish (17) hinged with one end of a plurality of positioning rods (19), the other end of positioning rod (19) is provided with positioning plate (20), and positioning plate (20) is provided with for locating the hole of lower bearing bracket basis (2) holding down bolt;
One end of inclined support bar (8) is hinged from below and positioning rod (19), at the upper movable sheath of axle (16), be connected to flexible connection dish (21), flexible connection dish (21) is hinged with the other end of inclined support bar (8), on axle (16), be also provided with upper positioning disk (11) and lower positioning disk (10), flexible connection dish (21) slides between upper positioning disk (11) and lower positioning disk (10);
Also be provided with lifting device, lifting device is connected with flexible connection dish (21).
2. a kind of hydraulic generator unit lower bearing bracket according to claim 1 is installed foundation location device, it is characterized in that: when flexible connection dish (21) upper-end surface contacts with upper positioning disk (11), the position of lower bearing bracket basis, positioning plate (20) location (2) holding down bolt.
3. a kind of hydraulic generator unit lower bearing bracket according to claim 2 is installed foundation location device, it is characterized in that: when the lower end surface of flexible connection dish (21) contacts with lower positioning disk (10), the external diameter of a circle of a plurality of positioning rods (19) is less than the diameter of restricted access (3).
4. a kind of hydraulic generator unit lower bearing bracket according to claim 1 is installed foundation location device, it is characterized in that: described lifting device comprises: be arranged on the operating platform (13) on axle (16), be located at the hangers (14) on axle (16) top, hangers (14) is provided with chain block (15), and chain block (15) is connected with the hanger (12) being fixedly connected with on dish (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344823.1U CN203906164U (en) | 2014-06-26 | 2014-06-26 | Positioning device for lower rack mounting base of hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344823.1U CN203906164U (en) | 2014-06-26 | 2014-06-26 | Positioning device for lower rack mounting base of hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906164U true CN203906164U (en) | 2014-10-29 |
Family
ID=51780452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344823.1U Withdrawn - After Issue CN203906164U (en) | 2014-06-26 | 2014-06-26 | Positioning device for lower rack mounting base of hydroelectric generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100437A (en) * | 2014-06-26 | 2014-10-15 | 中国葛洲坝集团股份有限公司 | Lower bracket mounting foundation positioning device and method of hydroelectric generating set |
-
2014
- 2014-06-26 CN CN201420344823.1U patent/CN203906164U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100437A (en) * | 2014-06-26 | 2014-10-15 | 中国葛洲坝集团股份有限公司 | Lower bracket mounting foundation positioning device and method of hydroelectric generating set |
| CN104100437B (en) * | 2014-06-26 | 2015-04-01 | 中国葛洲坝集团股份有限公司 | Lower bracket mounting foundation positioning device and method of hydroelectric generating set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104100437B (en) | Lower bracket mounting foundation positioning device and method of hydroelectric generating set | |
| CN105540424A (en) | Shrink fit and hoisting-transporting method and device for stator core provided with windings | |
| CN208546680U (en) | A kind of new energy car battery detection electronic load mounting seat structure | |
| CN203906164U (en) | Positioning device for lower rack mounting base of hydroelectric generating set | |
| CN103192037A (en) | Sand core coating leveling device | |
| CN102116407B (en) | Mechanical safety device and medical head mast using same | |
| CN103047394A (en) | Rotary drilling rig and guide pulley yoke device thereof | |
| CN208085685U (en) | Positioning device and battery replacement device | |
| CN106425234A (en) | Numerical control shape-regulating jig frame | |
| CN205781805U (en) | A kind of projection screen support means and optical projection system | |
| CN201720400U (en) | Manual core setting clamp capable of ascending and descending for automatic papermaking mold line | |
| KR100817229B1 (en) | Lifting device for cone of electric generator and fabricating method thereof | |
| CN105840963A (en) | Projection screen supporting device and projection system | |
| CN211036577U (en) | High-speed railway rail bearing platform installation position adjusting instrument | |
| CN205035001U (en) | Generator handling device | |
| CN209305373U (en) | Jack assemblies and charging rack | |
| CN210947805U (en) | Tool for organizing curtain wall | |
| CN210448025U (en) | Portable badminton net rack | |
| CN204138224U (en) | A kind of shock absorber and construction machinery and equipment preventing jib hypsokinesis | |
| CN208950268U (en) | A kind of construction self-locking elevating platform | |
| CN202070978U (en) | Horizontal and vertical dual purpose polishing device | |
| CN201864498U (en) | Movable balance weight mounting device and crane | |
| CN201172601Y (en) | Multifunction retractable cantilever crane frame | |
| CN205398038U (en) | IGCT changes device | |
| CN207566816U (en) | Disk cabinet installs jacking apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |