CN117212606A - A device for adjusting the staggered edges of pressure pipes in pumped storage power stations - Google Patents
A device for adjusting the staggered edges of pressure pipes in pumped storage power stations Download PDFInfo
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- CN117212606A CN117212606A CN202311244669.0A CN202311244669A CN117212606A CN 117212606 A CN117212606 A CN 117212606A CN 202311244669 A CN202311244669 A CN 202311244669A CN 117212606 A CN117212606 A CN 117212606A
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Abstract
本发明属于抽水蓄能电站技术领域，具体涉及一种抽水蓄能电站压力管道间错边调整装置，包括移动车厢，移动车厢设有能够轴向位移和旋转的支撑轴，支撑轴上安装有内撑组件和外撑组件；内撑组件包括内撑安装座、内撑电动液压推杆和内撑头；外撑组件包括外撑安装座、外撑电动液压推杆、压板、真空吸附座和外撑头。本发明结构设计合理，各部件协同配合，其无需人工手动操作，工作强度较小；内撑组件和外撑组件一一对应设置，外撑组件能够对压力管道内凹处的外围区域进行预吸附锁定，这样当内撑组件对压力管道内凹处进行挤压修复时，不会造成其他部位的形变，修复效果较好。
The invention belongs to the technical field of pumped-storage power stations, and specifically relates to a staggered adjustment device for pressure pipes in a pumped-storage power station, which includes a movable carriage. The movable carriage is provided with a support shaft capable of axial displacement and rotation. The inner support assembly includes the inner support mounting base, the inner support electro-hydraulic push rod and the inner support head; the outer support assembly includes the outer support mounting base, the outer support electro-hydraulic push rod, the pressure plate, the vacuum adsorption seat and the outer support assembly. Support your head. The structure of the present invention is reasonably designed, and all components cooperate together. It does not require manual operation and has low work intensity. The inner support assembly and the outer support assembly are arranged in one-to-one correspondence, and the outer support assembly can pre-adsorb the peripheral area of the inner recess of the pressure pipe. Locking, so that when the inner support component squeezes and repairs the inner recess of the pressure pipe, it will not cause deformation of other parts, and the repair effect is better.
Description
Technical Field
The invention belongs to the technical field of pumped storage power stations, and particularly relates to a device for adjusting staggered edges between pressure pipelines of a pumped storage power station.
Background
The pressure pipeline is a water pipe for conveying water quantity from a reservoir, a pressure forehearth or a pressure regulating chamber to the water turbine. The pressure pipeline is generally formed by splicing large-diameter steel pipes, and the spliced parts are connected in a welded mode. Because of the pressure sampling welding type connection, the adjacent two sections of steel pipes are ensured to be as far as possible not to generate the wrong edges or the height difference of the wrong edges at the connection position is in a reasonable range, otherwise, the subsequent welding work and the welding quality are affected. At present, the reason for the occurrence of the misalignment is mostly because the edge of the pressure pipe is inwardly convex, which makes the butt joint highly nonuniform. Therefore, the position at which the inward bulge is generated at the edge of the pressure pipe needs to be adjusted.
Therefore, the patent specification with publication number of CN113832928B discloses a device for adjusting the misalignment between pressure pipelines of a pumped storage power station, and belongs to the technical field of energy storage power stations. The technical proposal is as follows: the utility model provides a water storage power station pressure pipe is with misalignment adjusting device, includes the support frame that sets up in pressure pipe, the support frame can set up on the construction platform in pressure pipe, the central point of support frame puts and rotates and be provided with centering mechanism, centering mechanism is last to rotate and is provided with positioning mechanism and guiding mechanism, positioning mechanism and guiding mechanism's position phase difference 90 degrees. The misalignment adjusting device between the pressure pipelines of the pumped storage power station can assist in manually positioning and timely adjusting misalignment of the connection positions of the pressure pipelines.
However, the misalignment adjusting device between the pressure pipelines of the pumped storage power station still has the defects that the device needs manual operation and has high working strength; secondly, the deformation of other parts is easy to be caused in the inward convex adjusting process, and the repairing effect is not ideal. Therefore, there is a need for an optimization improvement.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a misalignment adjusting device between pressure pipelines of a pumped storage power station.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the invention provides a staggered edge adjusting device between pressure pipelines of a pumped storage power station, which comprises a movable carriage, wherein the movable carriage is provided with a support shaft capable of axially displacing and rotating, the outer end part of the support shaft is provided with an inner support assembly, and an outer support assembly is arranged between the inner support assembly and the movable carriage;
the inner support assembly comprises inner support installation seats, inner support electric hydraulic push rods and inner support heads, wherein the number of the inner support electric hydraulic push rods is two, the cylinder bodies of the two inner support electric hydraulic push rods are symmetrically arranged at two sides of the inner support installation seats, and the inner support heads are arranged at the movable ends of each inner support electric hydraulic push rod;
the outer support assembly comprises an outer support installation seat, outer support electric hydraulic push rods, a pressing plate, a vacuum adsorption seat and outer support heads, wherein the outer support electric hydraulic push rods are two in number, the cylinder bodies of the inner support electric hydraulic push rods are symmetrically arranged on two sides of the outer support installation seat, the movable end of each outer support electric hydraulic push rod is provided with the vacuum adsorption seat through the pressing plate, and the adsorption surface of each vacuum adsorption seat is provided with the outer support heads.
Further, in the pumped storage power station pressure pipeline staggered edge adjusting device, the outer side face of the inner support head is a first arc face matched with the inner wall of the pressure pipeline in shape, and the outer side face of the outer support head is a second arc face matched with the outer wall of the pressure pipeline in shape.
Further, in the above-mentioned pumped storage power station pressure pipeline staggered edge adjusting device, the position one-to-one of outer support head and interior support head, the interior shrinkage pool with interior support head complex has been seted up to the inside of outer support head, the interior support area of interior support head satisfies the interior requirement of propping of pressure pipeline interior convex part.
Further, in the staggered edge adjusting device between the pressure pipelines of the pumped storage power station, negative pressure adsorption holes are uniformly distributed on the outer support, and the negative pressure adsorption holes are communicated with the adsorption cavity of the vacuum adsorption seat.
Furthermore, in the device for adjusting the staggered edges between the pressure pipelines of the pumped storage power station, the inner support installation seat is a cylindrical body, the outer support installation seat is an annular body, and the inner support installation seat and the outer support installation seat are fixedly connected with the support shaft in a welding mode.
Further, in the misalignment adjusting device between the pressure pipelines of the pumped storage power station, the movable carriage comprises a carriage body, a slip ring, a driving push rod, an upper supporting plate, a driven rotating sleeve, a lower supporting plate, a servo motor, a driving belt wheel and a driving belt are arranged in the carriage body, the movable end of the driving push rod is connected with the inner end of a supporting shaft through the slip ring, the driven rotating sleeve sleeved on the outer side of the supporting shaft is rotatably supported in the upper supporting plate, the servo motor is fixed on the inner wall of the carriage body through the lower supporting plate, the driving belt wheel is arranged at the output end of the servo motor, and the driving belt wheel is in transmission connection with the driven rotating sleeve through the driving belt; and a key groove is formed in the outer side of the support shaft, and a convex key matched with the key groove is formed in the inner hole wall of the driven rotating sleeve.
In the device for adjusting the staggered edges between the pressure pipelines of the pumped storage power station, the bearing matched with the supporting shaft is arranged in the side plate of the movable carriage.
Further, in the device for adjusting the misalignment between the pressure pipelines of the pumped storage power station, the adjusting method comprises the following steps:
1) Fixing the pressure pipeline to be regulated, and moving the carriage to control the support shaft to displace along the axial line position of the pressure pipeline so that the inner support assembly and the outer support assembly are respectively positioned at the inner side and the outer side of the pressure pipeline;
2) The movable carriage controls the supporting shaft to rotate to the position that the inner supporting component faces the inner convex part of the pressure pipeline, then the outer supporting component is started, the outer supporting component can adsorb and lock the peripheral area of the concave part in the pressure pipeline, then the inner supporting component is started, and the inner supporting component can squeeze and repair the concave part in the pressure pipeline.
The beneficial effects of the invention are as follows:
the invention has reasonable structural design, is mainly composed of a movable carriage, a supporting shaft, an inner supporting component and an outer supporting component, and the components are matched in a cooperative manner, so that on one hand, the invention does not need manual operation, and has lower working strength; on the other hand, the inner support assembly and the outer support assembly are arranged in one-to-one correspondence, the outer support assembly can pre-adsorb and lock the peripheral area of the concave part in the pressure pipeline, and therefore when the inner support assembly extrudes and repairs the concave part in the pressure pipeline, the deformation of other parts can not be caused, and the repairing effect is good.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the present invention in use;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of the inner support assembly of the present invention;
FIG. 4 is a schematic view of the structure of the outer support assembly of the present invention;
FIG. 5 is a schematic view of the structure of the outer strut of the present invention;
FIG. 6 is a schematic view of the assembly of the driven rotor and the support shaft of the present invention;
in the drawings, the reference numerals of the components are as follows:
1-moving carriage, 101-carriage body, 102-slip ring, 103-driving push rod, 104-upper support plate, 105-driven rotating sleeve, 106-lower support plate, 107-servo motor, 108-driving belt pulley, 109-driving belt, 110-bearing, 2-support shaft, 3-inner support assembly, 301-inner support mounting seat, 302-inner support electric hydraulic push rod, 303-inner support head, 4-outer support assembly, 401-outer support mounting seat, 402-outer support electric hydraulic push rod, 403-pressing plate, 404-vacuum adsorption seat, 405-outer support head and 5-pressure pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present embodiment provides a misalignment adjustment device between pressure pipes of a pumped storage power station, which includes a mobile carriage 1, the mobile carriage 1 is provided with a support shaft 2 capable of axial displacement and rotation, an inner support assembly 3 is mounted at an outer end of the support shaft 2, and an outer support assembly 4 is mounted between the inner support assembly 3 and the mobile carriage 1 by the support shaft 2.
In this embodiment, the inner support assembly 3 includes an inner support mounting seat 301, an inner support electro-hydraulic push rod 302 and an inner support head 303, two inner support electro-hydraulic push rods 302 are shared, the cylinder bodies of the two inner support electro-hydraulic push rods 302 are symmetrically mounted on two sides of the inner support mounting seat 301, and the inner support head 303 is mounted on the movable end of each inner support electro-hydraulic push rod 302.
In this embodiment, the outer support assembly 4 includes an outer support mounting seat 401, an outer support electric hydraulic push rod 402, a pressing plate 403, a vacuum adsorption seat 404 and an outer support head 405, two outer support electric hydraulic push rods 402 are shared, the cylinder bodies of the two inner support electric hydraulic push rods 402 are symmetrically mounted on two sides of the outer support mounting seat 401, the vacuum adsorption seat 404 is mounted on the movable end of each outer support electric hydraulic push rod 402 through the pressing plate 403, and the outer support head 405 is mounted on the adsorption surface of the vacuum adsorption seat 404. Negative pressure adsorption holes are uniformly distributed on the outer support head 405 and are communicated with the adsorption cavity of the vacuum adsorption seat 404.
In this embodiment, the outer side surface of the inner supporting head 303 is a first arc surface matched with the shape of the inner wall of the pressure pipe 5, and the outer side surface of the outer supporting head 405 is a second arc surface matched with the shape of the outer wall of the pressure pipe 5. The positions of the outer supporting heads 405 and the inner supporting heads 303 are in one-to-one correspondence, concave holes matched with the inner supporting heads 303 are formed in the outer supporting heads 405, and the inner supporting area of the inner supporting heads 303 meets the inner supporting requirement of the inner protruding part of the pressure pipeline 5.
In this embodiment, the inner support mounting seat 301 is a cylindrical body, the outer support mounting seat 401 is an annular body, and the inner support mounting seat 301 and the outer support mounting seat 401 are fixedly connected with the support shaft 2 in a welding manner.
In this embodiment, the mobile carriage 1 includes a carriage body 101, a slip ring 102, a driving push rod 103, an upper support plate 104, a driven rotating sleeve 105, a lower support plate 106, a servo motor 107, a driving pulley 108 and a driving belt 109 are installed in the carriage body 101, a movable end of the driving push rod 103 is connected with an inner end of the support shaft 2 through the slip ring 102, and the driven rotating sleeve 105 sleeved outside the support shaft 2 is rotatably supported in the upper support plate 104. The servo motor 103 is fixed on the inner wall of the carriage body 101 through a lower supporting plate 106, a driving belt pulley 108 is arranged at the output end of the servo motor 107, and the driving belt pulley 108 is in transmission connection with the driven rotating sleeve 105 through a transmission belt 109; the outer side of the support shaft 2 is provided with a key groove, and the inner hole wall of the driven rotary sleeve 105 is provided with a convex key matched with the key groove.
In the present embodiment, a bearing 110 that mates with the support shaft 2 is installed in a side plate of the mobile car 1.
The embodiment also provides an adjusting method of the misalignment adjusting device between the pressure pipelines of the water energy storage power station, which comprises the following steps:
1) Fixing a pressure pipeline 5 to be regulated, and controlling the support shaft 2 to displace along the axial line position of the pressure pipeline 5 by the mobile carriage 1, so that the inner support assembly 3 and the outer support assembly 4 are respectively positioned at the inner side and the outer side of the pressure pipeline 5;
2) The movable carriage 1 controls the supporting shaft 2 to rotate, the movable carriage rotates to the position that the inner support component 3 is opposite to the inner convex part of the pressure pipeline 5, then the outer support component 4 is started, the outer support component 4 can adsorb and lock the peripheral area of the concave part in the pressure pipeline 5, the inner support component 3 is started again, and the inner support component 3 can squeeze and repair the concave part in the pressure pipeline 5.
The device has reasonable structural design, is mainly composed of a movable carriage 1, a supporting shaft 2, an inner supporting component 3 and an outer supporting component 4, and the components are matched in a cooperative manner, so that manual operation is not needed, and the working strength is low; on the other hand, the inner support assembly 3 and the outer support assembly 4 are arranged in one-to-one correspondence, the outer support assembly 4 can pre-adsorb and lock the peripheral area of the concave part in the pressure pipeline 5, and therefore deformation of other parts cannot be caused when the inner support assembly extrudes and repairs the concave part in the pressure pipeline, and the repairing effect is good.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The utility model provides a water storage power station pressure pipeline room misalignment adjusting device which characterized in that: the device comprises a movable carriage, wherein the movable carriage is provided with a support shaft capable of axially displacing and rotating, an inner support assembly is arranged at the outer end part of the support shaft, and an outer support assembly is arranged between the inner support assembly and the movable carriage;
the inner support assembly comprises inner support installation seats, inner support electric hydraulic push rods and inner support heads, wherein the number of the inner support electric hydraulic push rods is two, the cylinder bodies of the two inner support electric hydraulic push rods are symmetrically arranged at two sides of the inner support installation seats, and the inner support heads are arranged at the movable ends of each inner support electric hydraulic push rod;
the outer support assembly comprises an outer support installation seat, outer support electric hydraulic push rods, a pressing plate, a vacuum adsorption seat and outer support heads, wherein the outer support electric hydraulic push rods are two in number, the cylinder bodies of the inner support electric hydraulic push rods are symmetrically arranged on two sides of the outer support installation seat, the movable end of each outer support electric hydraulic push rod is provided with the vacuum adsorption seat through the pressing plate, and the adsorption surface of each vacuum adsorption seat is provided with the outer support heads.
2. The pumped storage power station pressure pipeline staggered edge adjusting device according to claim 1, wherein: the outer side surface of the inner support head is a first arc-shaped surface matched with the inner wall of the pressure pipeline in shape, and the outer side surface of the outer support head is a second arc-shaped surface matched with the outer wall of the pressure pipeline in shape.
3. The pumped storage power station pressure pipeline staggered edge adjusting device according to claim 2, wherein: the position one-to-one correspondence of outer propping head and interior propping head, the interior shrinkage pool with interior propping head complex has been seted up to the inside of outer propping head, the interior propping area of interior propping head satisfies the interior requirement of propping of the interior convex part of pressure conduit.
4. A pumped storage power station pressure pipe inter-misalignment adjustment apparatus as claimed in claim 3, wherein: negative pressure adsorption holes are uniformly distributed on the outer support, and the negative pressure adsorption holes are communicated with an adsorption cavity of the vacuum adsorption seat.
5. The pumped storage power station pressure pipe inter-misalignment adjustment apparatus as claimed in claim 4, wherein: the inner support mounting seat is a cylindrical body, the outer support mounting seat is an annular body, and the inner support mounting seat and the outer support mounting seat are fixedly connected with the support shaft in a welding mode.
6. The pumped storage power station pressure pipe inter-misalignment adjustment apparatus of claim 5, wherein: the movable carriage comprises a carriage body, wherein a slip ring, a driving push rod, an upper supporting plate, a driven rotating sleeve, a lower supporting plate, a servo motor, a driving belt pulley and a transmission belt are arranged in the carriage body, the movable end of the driving push rod is connected with the inner end of a supporting shaft through the slip ring, the driven rotating sleeve sleeved outside the supporting shaft is rotatably supported in the upper supporting plate, the servo motor is fixed on the inner wall of the carriage body through the lower supporting plate, the driving belt pulley is arranged at the output end of the servo motor, and the driving belt pulley is in transmission connection with the driven rotating sleeve through the transmission belt; and a key groove is formed in the outer side of the support shaft, and a convex key matched with the key groove is formed in the inner hole wall of the driven rotating sleeve.
7. The pumped storage power station pressure pipe inter-misalignment adjustment apparatus of claim 6, wherein: and bearings matched with the supporting shafts are arranged in the side plates of the movable carriage.
8. The pumped storage power station pressure pipeline staggered edge adjusting device according to claim 7, wherein the adjusting method comprises the following steps:
1) Fixing the pressure pipeline to be regulated, and moving the carriage to control the support shaft to displace along the axial line position of the pressure pipeline so that the inner support assembly and the outer support assembly are respectively positioned at the inner side and the outer side of the pressure pipeline;
2) The movable carriage controls the supporting shaft to rotate to the position that the inner supporting component faces the inner convex part of the pressure pipeline, then the outer supporting component is started, the outer supporting component can adsorb and lock the peripheral area of the concave part in the pressure pipeline, then the inner supporting component is started, and the inner supporting component can squeeze and repair the concave part in the pressure pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311244669.0A CN117212606A (en) | 2023-09-26 | 2023-09-26 | A device for adjusting the staggered edges of pressure pipes in pumped storage power stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311244669.0A CN117212606A (en) | 2023-09-26 | 2023-09-26 | A device for adjusting the staggered edges of pressure pipes in pumped storage power stations |
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| CN117212606A true CN117212606A (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311244669.0A Pending CN117212606A (en) | 2023-09-26 | 2023-09-26 | A device for adjusting the staggered edges of pressure pipes in pumped storage power stations |
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| CN (1) | CN117212606A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN121103578A (en) * | 2025-11-17 | 2025-12-12 | 常州市蓝托金属制品有限公司 | Suspended delivery system and method for surface treatment of engine oil pump cover |
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