CN111056431A - Lifting device for converter valve saturable reactor and application method thereof - Google Patents
Lifting device for converter valve saturable reactor and application method thereof Download PDFInfo
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- CN111056431A CN111056431A CN201911306865.XA CN201911306865A CN111056431A CN 111056431 A CN111056431 A CN 111056431A CN 201911306865 A CN201911306865 A CN 201911306865A CN 111056431 A CN111056431 A CN 111056431A
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- reactor
- converter valve
- hoisting device
- rod
- support rods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention provides a converter valve saturable reactor hoisting device and an application method thereof. The reactor hoisting device comprises a suspender, a plurality of support rods rotatably connected with one end of the suspender, a moving part arranged on the suspender and capable of sliding relative to the suspender, and a connecting piece for connecting the moving part and each support rod; the connecting piece is respectively and rotatably connected with the moving part and the supporting rods, and the moving part slides on the hanging rod to enable each supporting rod to rotate to be close to or far away from the hanging rod.
Description
Technical Field
The invention relates to the technical field of lifting of converter valve saturable reactors, in particular to a lifting device of a converter valve saturable reactor and an application method thereof.
Background
With the continuous application and popularization of the ultra-high voltage direct current transmission technology, the converter valve equipment is used as core equipment in a high-voltage direct current transmission system, and the installation and application range of the converter valve equipment is wider and wider. An anode saturable reactor for a converter valve is an indispensable electrical element in converter valve equipment, and how to realize quick installation and maintenance of the anode saturable reactor is important for the scheduled operation of the converter valve equipment. With the continuous development of the high-voltage direct-current transmission technology, the voltage level of direct-current transmission is continuously improved, the size and the weight of the converter valve reactor are increased along with the continuous development of the high-voltage direct-current transmission technology, and the corresponding installation and construction difficulty is also increased. If no suitable reactor hoisting tool is provided, the hoisting installation process of the reactor becomes complicated and time-consuming, and if the hoisting process is careless, equipment damage such as reactor falling damage and the like or threat to the personal safety of constructors can be caused.
Disclosure of Invention
The invention aims to provide a converter valve saturable reactor hoisting device which is used for realizing the rapid hoisting of a converter valve reactor, and has the advantages of simple structure, light weight, small volume, convenience in operation and high reliability. The invention further aims to provide an application method of the converter valve saturable reactor hoisting device.
In order to achieve the above purpose, the invention discloses a converter valve saturable reactor hoisting device which comprises a suspender, a plurality of supporting rods rotatably connected with one end of the suspender, a moving part arranged on the suspender and capable of sliding relative to the suspender, and a connecting piece connecting the moving part and each supporting rod;
the connecting piece is respectively connected with the moving part and the supporting rods in a rotating mode, and the moving part slides on the hanging rods to enable each supporting rod to rotate to be close to or far away from the hanging rods.
Preferably, one end of the suspension rod connected with the plurality of support rods is further provided with a limit step for limiting the rotation position of the support rod relative to the suspension rod.
Preferably, one side of the limiting step, which is close to the moving part, is provided with a fixing part, and the fixing part is connected with the plurality of support rods through a shaft pin structure.
Preferably, the plurality of support rods are uniformly arranged along the circumferential direction of the hanger rod.
Preferably, the number of the supporting rods is not less than 3.
Preferably, the number of the supporting rods is 4, and the included angle between two adjacent supporting rods in the 4 supporting rods is a right angle.
Preferably, the other end of the suspension rod, which is far away from and connected with the supporting rod, is provided with a suspension ring.
Preferably, one end of the moving part, which is close to the hanging ring, is provided with a limiting part, and the limiting part abuts against the hanging ring to limit the moving position of the moving part on the hanging rod.
Preferably, the moving part is provided with a connecting boss, a first connecting part with a first through hole is formed on the connecting boss, a second connecting part with a second through hole is formed on one side of the supporting rod corresponding to the connecting boss, and the connecting part is an annular rod which penetrates through the first through hole and the second through hole respectively.
The invention also discloses an application method of the converter valve saturable reactor hoisting device, which comprises the following steps:
moving the moving part to enable the plurality of support rods to rotate towards the hanger rod so that the radial maximum size of the reactor hoisting device is smaller than the inner diameter of a flange hole of the converter valve saturable reactor;
enabling one end, provided with a supporting rod, of the lifting device to penetrate through a flange hole of the converter valve saturable reactor, and enabling the supporting rod to be located below the converter valve saturable reactor;
moving the moving part to enable the plurality of support rods to rotate away from the suspension rod, so that the radial maximum size of the reactor hoisting device is larger than the inner diameter of a flange hole of the converter valve saturable reactor, and the positions of the plurality of support rods are fixed;
in the hoisting process, the plurality of support rods support the converter valve saturable reactor to move upwards together with the hanger rod.
According to the reactor hoisting device, the moving part and the plurality of support rods are arranged on the suspension rod, and the moving part is connected with the plurality of support rods through the connecting piece. Wherein, the bracing piece can rotate and the connecting piece with the removal portion with the bracing piece rotates respectively to be connected, when the removal portion moves on the jib, the removal portion drives the bracing piece through the connecting piece and moves towards or keep away from the jib and rotate, thereby when making the bracing piece rotate to the jib, can make reactor hoisting accessory's whole size diminish, thereby can pass in reactor hoisting accessory flange hole, then make the removal portion slide and drive the bracing piece and rotate to keeping away from the jib direction, make a plurality of bracing pieces be located the bottom of converter valve saturable reactor, through the position of fixed bracing piece, when making the control jib lift by crane, can make the supporting part bear the weight of converter valve saturable reactor and carry out safe lifting, prevent that single part became invalid and lead to falling, realize converter valve reactor transportation, installation, dismantlement process safety and high efficiency, improve work efficiency, guarantee converter valve reactor transfer process installation constructor personal safety and avoid equipment because of improper operation Resulting in damage to the equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 shows one of the structure diagrams of a converter valve saturable reactor hoisting device according to an embodiment of the invention;
FIG. 2 shows a second structure diagram of a converter valve saturable reactor hoisting device according to an embodiment of the invention;
FIG. 3 shows a third structural diagram of a converter valve saturable reactor hoisting device according to an embodiment of the invention;
FIG. 4 is a fourth illustration showing a structure diagram of a converter valve saturable reactor hoisting apparatus according to an embodiment of the present invention;
FIG. 5 shows one of application schematic diagrams of a converter valve saturable reactor hoisting apparatus according to an embodiment of the invention;
FIG. 6 shows a second schematic application diagram of a converter valve saturable reactor hoisting apparatus according to an embodiment of the present invention;
FIG. 7 shows a flow chart of an application method of the converter valve saturable reactor hoisting device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to one aspect of the invention, the embodiment discloses a converter valve saturable reactor hoisting device. As shown in fig. 1, the reactor hoisting device includes a boom 1, a plurality of support rods 3 rotatably connected to one end of the boom 1, a moving portion 2 provided on the boom 1 and slidable with respect to the boom 1, and a link 5 connecting the moving portion 2 and each of the support rods 3.
The connecting piece 5 is respectively connected with the moving part 2 and the supporting rods 3 in a rotating manner, and the moving part 2 slides on the suspension rod 1 to enable each supporting rod 3 to rotate to be close to or far away from the suspension rod 1.
The reactor hoisting device of the invention is provided with a moving part 2 and a plurality of support rods 3 on a suspender 1, and the moving part 2 and the plurality of support rods 3 are connected by a connecting piece 5. Wherein, the support rod 3 can rotate relative to the suspender 1 and the connecting piece 5 is respectively connected with the moving part 2 and the support rod 3 in a rotating way, when the moving part 2 moves on the suspender 1, the moving part 2 drives the support rod 3 to rotate towards or away from the suspender 1 through the connecting piece 5, so that when the support rod 3 rotates towards the suspender 1, the whole size of the reactor hoisting device can be reduced, the reactor hoisting device can penetrate through a flange hole of the reactor hoisting device, then the moving part 2 slides to drive the support rod 3 to rotate towards the direction away from the suspender 1, a plurality of support rods 3 are positioned at the bottom of the converter valve saturable reactor, and through fixing the position of the support rod 3, when the control suspender 1 is hoisted, the support part can bear the converter valve saturable reactor for safe hoisting, thereby preventing a single part from losing efficacy to cause the reactor to fall, and realizing the transportation, installation, The dismounting process is safe and efficient, the working efficiency is improved, the personal safety of installation and construction personnel in the transfer process of the converter valve reactor is ensured, and equipment damage caused by misoperation of the equipment is avoided.
In an optional embodiment, during the hoisting process, the position of the moving part 2 on the suspension rod 1 may be fixed manually or in other fixing manners to fix the positions of the plurality of support rods 3, so that the plurality of support rods 3 can support the converter valve saturable reactor, and the converter valve saturable reactor moves together with the support rods 3 and the suspension rod 1, thereby realizing the hoisting of the converter valve saturable reactor.
In another preferred embodiment, as shown in fig. 2, the end of the suspension bar 1 connected to the plurality of support bars 3 is further provided with a limit step 13 for limiting the rotation position of the support bars 3 relative to the suspension bar 1. As shown in fig. 2, the edge of the limit step 13 protrudes out of the suspension rod 1, and the plurality of support rods 3 are fixed on one side of the limit step 13 close to the connecting piece 5, so that when the plurality of support rods 3 rotate in the direction away from the suspension rod 1, the plurality of support rods 3 are obstructed by the limit step 13 and stop rotating, and therefore when the plurality of support rods 3 rotate to be in contact with and abut against the limit step 13 and the position is fixed, the plurality of support rods 3 can bear the converter valve saturable reactor, and therefore the converter valve saturable reactor can be hoisted. Spacing step 13 and connecting piece 5 can make this hoisting accessory possess dual anti-failure design, and when bracing piece 3 was in operating condition, spacing step 13 and connecting piece 5 combined action guaranteed that bracing piece 3 is in normal operating angle, can not lead to the reactor to fall because of single part became invalid.
In a preferred embodiment, as shown in fig. 1, a fixing portion is disposed on a side of the position-limiting step 13 close to the moving portion 2, and the fixing portion is connected to the plurality of support rods 3 through a shaft pin structure. Specifically, in the present embodiment, as shown in fig. 2 and 4, the shaft pin structure includes a first connection hole 12 formed in the fixing portion and a second connection hole 31 formed in the support rod, the first connection hole 12 and the second connection hole 31 are matched in size, and a shaft pin is inserted into the first connection hole 12 and the second connection hole 31 to connect the fixing portion and the support rod. In other embodiments, the support rod 3 and the fixing portion may be rotatably connected by other rotating connection methods, which is not limited in the present invention. Preferably, the number of the support rods 3 is not less than 3 to provide a sufficient supporting force. In a specific example, the number of the support rods 3 is 4. Preferably, as shown in fig. 2, the fixing portion is a square boss formed on the suspension rod 1, and four edges of the square boss are respectively connected with one end of one support rod 3 through a shaft pin structure. In other embodiments, the fixing portion may have other shapes, and the present invention is not limited thereto.
In a preferred embodiment, the plurality of support rods 3 are uniformly arranged in the circumferential direction of the boom 1. The plurality of supporting rods 3 are uniformly arranged along the circumferential direction of the suspender 1, namely, the angles formed between two adjacent supporting rods 3 are the same, so that the supporting force of the converter valve saturable reactor is more uniform. For example, as shown in fig. 1, when the number of the support rods 3 is 4, the included angle between two adjacent support rods 3 in the 4 support rods 3 is a right angle, so that the 4 support rods 3 are uniformly distributed in the circumferential direction of the suspension rod 1.
In a preferred embodiment, an elastic material, such as rubber, can be further disposed on one side surface of the plurality of support rods 3 for bearing the saturable reactor of the converter valve, and by providing the elastic material on the surface of the support rods 3, the friction force between the support rods 3 and the reactor can be increased to ensure that the hoisting process is performed safely and reliably, and the reactor surface can also be prevented from being scratched by the support rods 3.
In a preferred embodiment, as shown in fig. 1, the other end of the boom 1, which is away from the end connected to the support bar 3, is formed with a suspension ring 11. On one hand, a hanging ring 11 is formed at the other end of the suspension rod 1 far away from the support rod 3, and the hanging ring 11 can be used as a limiting structure of the moving part 2 to prevent the moving part 2 from separating from the suspension rod 1 due to an overlong moving distance; on the other hand, the hoisting ring 11 can also be used as an external connection structure of the reactor hoisting device, and can be connected with other power equipment or used for a user to carry the reactor hoisting device by hand.
In a preferred embodiment, as shown in fig. 1, the moving part 2 is a hollow cylindrical push rod, and the push rod is sleeved on the suspension rod 1. Further, preferably, a limiting portion 21 is disposed at one end of the push rod close to the hanging ring 11, and the limiting portion 21 abuts against the hanging ring 11 to limit the moving position of the push rod on the suspension rod 1.
In a preferred embodiment, as shown in fig. 3 and 4, the moving part 2 is provided with a connecting boss 22, a first connecting part 221 having a first through hole is formed on the connecting boss 22, a second connecting part 32 having a second through hole is formed on the support rod 3 at a side corresponding to the connecting boss 22, and the connecting part 5 is a ring-shaped rod passing through the first through hole and the second through hole, respectively. It is understood that in other embodiments, the connecting member 5 may also be hinged or connected to the moving part 2 and the supporting rod 3 respectively by using a rotating structure such as a uranium pin, and the connecting member 5 may be a rigid structure or a flexible structure. In a specific example, the second connecting portion 32 of the support rod 3 is a lifting lug, when the reactor is lifted, the outer end face of the lifting lug also has a limiting function, and the lifting device can realize quick and safe lifting of the reactor without accurate positioning. More preferably, a stopping table 23 is formed at the end of the moving part 2 close to the end of the boom 1 connected to the support rod 3, the lower surface of the stopping table 23 matches with the fixed part of the boom 1 connected to the support rod 3, when the moving part 2 moves towards the fixed part, the connecting part 5 pushes the support rod 3 to rotate from the direction far away from the boom 1 and gradually expand from the contracted state, when the stopping table 23 is attached to the surface of the fixed part, the opening angle of the support rod 3 can be limited by the stopping table 23, when the stopping table 23 is attached to the surface of the fixed part, the radial dimension formed when the support rod 3 is expanded is the largest, and the supporting force formed by the plurality of support rods 3 is fully utilized.
When the converter valve saturable reactor hoisting device is applied, when the moving part 2 moves on the suspender 1, the moving part 2 drives the supporting rod 3 to rotate towards or away from the suspender 1 through the connecting piece 5, so that when the supporting rod 3 rotates towards the suspender 1, the whole size of the reactor hoisting device can be reduced, and the reactor hoisting device can penetrate through a flange hole of the reactor hoisting device, as shown in fig. 5. Then, the moving part 2 slides to drive the support rods 3 to rotate in the direction away from the hanger rod 1, so that the plurality of support rods 3 are spread and positioned at the bottom of the converter valve saturable reactor, as shown in fig. 6. Through the position of the fixed support rod 3, when the control suspender 1 is lifted, the supporting part can bear the converter valve saturable reactor to safely lift, the reactor is prevented from falling due to failure of a single part, the process of transferring, installing and disassembling the converter valve reactor is safe and efficient, the working efficiency is improved, the personal safety of installation and construction personnel in the transfer process of the converter valve reactor is ensured, and equipment damage caused by misoperation of the equipment is avoided.
Based on the same principle, the embodiment also discloses an application method of the converter valve saturable reactor hoisting device. As shown in fig. 7, the method includes:
s100: and moving the moving part 2 to enable the plurality of support rods 3 to rotate towards the suspension rod 1 so that the maximum radial size of the reactor hoisting device is smaller than the inner diameter of a flange hole of the converter valve saturable reactor.
S200: one end of the lifting device, which is provided with the support rod 3, penetrates through a flange hole of the converter valve saturable reactor, so that the support rod 3 is positioned below the converter valve saturable reactor.
S300: and moving the moving part 2 to enable the plurality of support rods 3 to rotate away from the suspension rod 1, so that the maximum radial size of the reactor hoisting device is larger than the inner diameter of a flange hole of the converter valve saturable reactor, and the positions of the plurality of support rods 3 are fixed.
S400: in the hoisting process, the plurality of support rods 3 support the converter valve saturable reactor to move upwards together with the hanger rod 1.
Since the principle of the application method for solving the problem is similar to that of the above device, the implementation of the application method can be referred to the implementation of the device, and is not described herein again.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment. The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The lifting device for the saturable reactor of the converter valve is characterized by comprising a suspender, a plurality of supporting rods rotatably connected with one end of the suspender, a moving part arranged on the suspender and capable of sliding relative to the suspender, and a connecting piece for connecting the moving part with each supporting rod;
the connecting piece is respectively connected with the moving part and the supporting rods in a rotating mode, and the moving part slides on the hanging rods to enable each supporting rod to rotate to be close to or far away from the hanging rods.
2. The reactor hoisting device according to claim 1, wherein an end of the hanger bar connected to the plurality of support bars is further provided with a limit step that limits a rotational position of the support bars with respect to the hanger bar.
3. The reactor hoisting device according to claim 2, wherein a fixing portion is provided on a side of the limit step close to the moving portion, and the fixing portion is connected to the plurality of support rods by a shaft pin structure.
4. The reactor hoisting device according to claim 1, wherein the plurality of support rods are uniformly arranged in a circumferential direction of the hanger rod.
5. The reactor hoisting device according to claim 1, wherein the number of the support rods is not less than 3.
6. The reactor hoisting device according to claim 5, wherein the number of the support rods is 4, and an included angle between two adjacent support rods among the 4 support rods is a right angle.
7. The reactor hoisting device according to claim 1, wherein the other end of the hanger rod, which is away from the end connected to the support rod, is formed with a hanging ring.
8. The reactor hoisting device according to claim 7, wherein a stopper portion is provided at an end of the moving portion close to the hanging ring, the stopper portion abutting against the hanging ring to restrict a moving position of the moving portion on the hanger rod.
9. The reactor hoisting device according to claim 1, wherein the moving portion is provided with a connecting boss on which a first connecting portion having a first through hole is formed, and a second connecting portion having a second through hole is formed on a side of the support rod corresponding to the connecting boss, the connecting members being annular rods that pass through the first through hole and the second through hole, respectively.
10. The application method of the converter valve saturable reactor hoisting device according to any one of claims 1-9, characterized by comprising the following steps:
moving the moving part to enable the plurality of support rods to rotate towards the hanger rod so that the radial maximum size of the reactor hoisting device is smaller than the inner diameter of a flange hole of the converter valve saturable reactor;
enabling one end, provided with a supporting rod, of the lifting device to penetrate through a flange hole of the converter valve saturable reactor, and enabling the supporting rod to be located below the converter valve saturable reactor;
moving the moving part to enable the plurality of support rods to rotate away from the suspension rod, so that the radial maximum size of the reactor hoisting device is larger than the inner diameter of a flange hole of the converter valve saturable reactor, and the positions of the plurality of support rods are fixed;
in the hoisting process, the plurality of support rods support the converter valve saturable reactor to move upwards together with the hanger rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911306865.XA CN111056431A (en) | 2019-12-18 | 2019-12-18 | Lifting device for converter valve saturable reactor and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911306865.XA CN111056431A (en) | 2019-12-18 | 2019-12-18 | Lifting device for converter valve saturable reactor and application method thereof |
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| CN111056431A true CN111056431A (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911306865.XA Pending CN111056431A (en) | 2019-12-18 | 2019-12-18 | Lifting device for converter valve saturable reactor and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113086836A (en) * | 2021-03-08 | 2021-07-09 | 东风汽车底盘系统有限公司 | Umbrella type ladder inner circle lifting appliance |
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| CN201195660Y (en) * | 2008-01-05 | 2009-02-18 | 科星（中山）汽车设备有限公司 | Umbrella type lifting hook |
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| CN113086836A (en) * | 2021-03-08 | 2021-07-09 | 东风汽车底盘系统有限公司 | Umbrella type ladder inner circle lifting appliance |
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