CN220334547U - Construction device for hoisting middle pressure cylinder of steam turbine - Google Patents
Construction device for hoisting middle pressure cylinder of steam turbine Download PDFInfo
- Publication number
- CN220334547U CN220334547U CN202321976730.6U CN202321976730U CN220334547U CN 220334547 U CN220334547 U CN 220334547U CN 202321976730 U CN202321976730 U CN 202321976730U CN 220334547 U CN220334547 U CN 220334547U
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- lifting device
- hydraulic lifting
- pressure cylinder
- crane
- hoisting
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to the technical field of turbine medium pressure cylinder hoisting equipment, in particular to a construction device for hoisting a turbine medium pressure cylinder, which comprises a crane, wherein a first hydraulic lifting device and a second hydraulic lifting device are additionally arranged on the crane, steel rope hydraulic jacks are respectively arranged on the first hydraulic lifting device and the second hydraulic lifting device, hoisting balance beams are connected below the first hydraulic lifting device and the second hydraulic lifting device through steel ropes, the bottom of each hoisting balance beam is connected with a medium pressure cylinder, and two horizontal pushing jacks are arranged on the rear side of each second hydraulic lifting device. In the construction device for hoisting the middle pressure cylinder of the steam turbine, the problem of insufficient lifting capacity of the crane is solved, and the middle pressure cylinder can finish vertical lifting work; the problem of transverse displacement of the middle pressure cylinder in the hoisting process is solved through the additional horizontal pushing jack, and the transverse displacement of the middle pressure cylinder can effectively avoid barriers such as installed equipment and the like and is hoisted according to a set channel; and the traveling crane is used for completing the longitudinal movement work in the middle pressure cylinder hoisting process.
Description
Technical Field
The utility model relates to the technical field of turbine intermediate pressure cylinder hoisting equipment, in particular to a construction device for hoisting a turbine intermediate pressure cylinder.
Background
Traditional turbine intermediate pressure jar hoist and mount adopts the mode of driving direct hoisting in many cases. In recent years, based on economic and environmental protection considerations and site limitation, newly built power stations mostly adopt an optimal design, such as reducing the hoisting space of a turbine room, reducing the investment of hoisting equipment such as travelling crane and the like.
The design saves investment, but heavy equipment cannot be hoisted by using a crane, and difficulty is brought to the equipment in place. Meanwhile, if the medium pressure cylinder arrives at the goods, the high pressure cylinder, the low pressure cylinder and the generator at the two ends are already installed in place, so that the hoisting channel is not smooth, the hoisting is more difficult, and particularly, the hoisting is realized by moving the position of the medium pressure cylinder for many times due to the offset of the hoisting field and the installation position and the non-smooth hoisting channel.
Disclosure of Invention
The utility model aims to provide a construction device for hoisting a middle pressure cylinder of a steam turbine, which aims to solve the problem that heavy equipment in the background technology cannot be hoisted by using a crane and brings difficulty to equipment positioning. Meanwhile, if the medium pressure cylinder arrives at the goods, the high pressure cylinder, the low pressure cylinder and the generator at the two ends are already installed in place, and the problem that the hoisting channel is not smooth and the hoisting is more difficult is caused.
In order to achieve the above purpose, the utility model provides a construction device for hoisting a middle pressure cylinder of a steam turbine, which comprises a crane, wherein a first hydraulic lifting device and a second hydraulic lifting device are additionally arranged on the crane, steel rope hydraulic jacks are respectively arranged on the first hydraulic lifting device and the second hydraulic lifting device, hoisting balance beams are connected below the first hydraulic lifting device and the second hydraulic lifting device through steel ropes, the bottom of each hoisting balance beam is connected with the middle pressure cylinder, two flat pushing jacks are arranged on the rear side of each second hydraulic lifting device, the flat pushing jacks can push the second hydraulic lifting device to slide, a crane cart is arranged on the rear side of the crane, and the crane cart is arranged on the crane travelling beam and can push the crane to longitudinally move.
Preferably, the first hydraulic lifting device and the second hydraulic lifting device are mounted on one side of the main beam of the vehicle.
Preferably, the travelling crane is provided with a horizontal pushing jack rail, the first hydraulic lifting device and the second hydraulic lifting device are arranged above the horizontal pushing jack rail, and the horizontal pushing jack can drive the first hydraulic lifting device and the second hydraulic lifting device to move on the horizontal pushing jack rail.
Preferably, a small travelling crane trolley is parked at one side end of the travelling crane, the medium pressure cylinder is transferred through the small travelling crane trolley at ordinary times, the rated lifting capacity of the travelling crane in the factory building is insufficient to meet the lifting weight requirement of the medium pressure cylinder, and the small travelling crane trolley is replaced by the device to expand the lifting load of the travelling crane.
Preferably, polytetrafluoroethylene plates are arranged between the upper beams of the first hydraulic lifting device and the second hydraulic lifting device and the track of the horizontal pushing jack so as to reduce friction resistance, and guide plates are further arranged on the upper beams of the first hydraulic lifting device and the second hydraulic lifting device, so that deviation correcting effect during pushing is exerted, and smoothness of pushing is guaranteed.
Preferably, the first hydraulic lifting device and the second hydraulic lifting device are connected together by a connecting beam and are arranged between two main beams of the travelling crane.
Preferably, the two horizontal pushing jacks are respectively arranged on two main beams of the travelling crane.
Compared with the prior art, the utility model has the beneficial effects that:
in the construction device for hoisting the middle pressure cylinder of the steam turbine, the problem of insufficient lifting capacity of the crane is solved, and the middle pressure cylinder can finish vertical lifting work; the problem of transverse displacement of the middle pressure cylinder in the hoisting process is solved through the additional horizontal pushing jack, and the transverse displacement of the middle pressure cylinder can effectively avoid barriers such as installed equipment and the like and is hoisted according to a set channel; the traveling crane cart is used for completing the longitudinal movement work in the middle pressure cylinder hoisting process, and traveling is performed according to a set route, so that the problem of longitudinal displacement in hoisting is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic view of a hoisting route according to the present utility model.
The meaning of each reference sign in the figure is:
1. a traveling crane cart; 2. a first hydraulic lifting device; 3. driving; 4. a horizontal pushing jack; 5. a second hydraulic lifting device; 6. a jack rail is pushed horizontally; 7. small running vehicle; 8. a medium pressure cylinder; 9. hoisting a balance beam; 10. and (5) a steel rope.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a construction device for hoisting a middle pressure cylinder of a steam turbine, which is shown in fig. 1-2, and comprises a crane 3, wherein a first hydraulic lifting device 2 and a second hydraulic lifting device 5 are additionally arranged on the crane 3, steel rope hydraulic jacks are respectively arranged on the first hydraulic lifting device 2 and the second hydraulic lifting device 5, a hoisting balance beam 9 is connected below the first hydraulic lifting device 2 and the second hydraulic lifting device 5 through steel ropes 10, the bottom of the hoisting balance beam 9 is connected with the middle pressure cylinder 8, the first hydraulic lifting device 2 and the second hydraulic lifting device 5 form a hoisting power device in the vertical direction, the middle pressure cylinder 8 is hoisted from a 0m site and rises to the height of a middle pressure cylinder installation layer 14m, two flat pushing jacks 4 are arranged at the rear side of the second hydraulic lifting device 5, the flat pushing jacks 4 can push the second hydraulic lifting device 5 to slide, two lateral displacements of the middle pressure cylinder 8 can be realized, a crane 1 is arranged on the back of the crane 3, the crane 1 is arranged on the crane walking beam, the crane 1 can move longitudinally, and the crane 3 can be pushed to avoid a low-pressure cylinder installation route and the like.
In this embodiment, the first hydraulic lifting device 2 and the second hydraulic lifting device 5 are mounted on one side of the main beam of the crane 3.
Specifically, be provided with flat jack track 6 on driving 3, first hydraulic lifting device 2 and second hydraulic lifting device 5 set up in flat jack track 6's top, and flat jack 4 effect can drive first hydraulic lifting device 2 and second hydraulic lifting device 5 and remove on flat jack track 6, realizes the lateral shifting of middling pressure jar 8.
Further, a small travelling crane car 7 is parked at one side end part of the travelling crane 3, the small travelling crane car 7 is located at the end part, a space is reserved for transverse movement of a hoisted object, the small travelling crane car 7 is used for transferring the medium pressure cylinder 8 at ordinary times, the rated lifting weight of the travelling crane in a factory building is insufficient for meeting the hoisting weight requirement of the medium pressure cylinder, and the small travelling crane car 7 is replaced by the device, so that the hoisting load of the travelling crane 3 is expanded.
Further, polytetrafluoroethylene plates are arranged between the upper beams of the first hydraulic lifting device 2 and the second hydraulic lifting device 5 and the horizontal pushing jack track 6 so as to reduce friction resistance, and guide plates are further arranged on the upper beams of the first hydraulic lifting device 2 and the second hydraulic lifting device 5, so that the correction effect during pushing is exerted, and smoothness of pushing is guaranteed.
Further, the first hydraulic lifting device 2 and the second hydraulic lifting device 5 are connected together by a connecting beam and are arranged between two main beams of the travelling crane 3.
Further, two horizontal pushing jacks 4 are respectively arranged on two main beams of the travelling crane 3.
It is noted that the lifting position and the installation position of the intermediate pressure cylinder 8 are not on the same longitudinal central line nor on the same transverse central line, and the lifting operation route needs to be changed multiple times. Through the action of the device, the displacement of the medium pressure cylinder 8 in the vertical direction of the hoisting space for two times and the horizontal displacement for three times are realized, so that the installed equipment and obstacles can be effectively avoided, and other equipment does not need to reserve a field during hoisting.
When the construction device for hoisting the middle pressure cylinder of the steam turbine is used, the first hydraulic hoisting device 2 and the second hydraulic hoisting device 5 are used for driving the steel cable 10 to be hoisted, and the middle pressure cylinder 8 is hoisted in the vertical direction until the barrier of the installation layer is avoided; pushing the second hydraulic lifting device 5 by using the horizontal pushing jack 4, driving the middle pressure cylinder 8, the first hydraulic lifting device 2 and the second hydraulic lifting device 5 to move to a preset lifting channel along the direction of a travelling crane girder together, and realizing first air transverse displacement by the middle pressure cylinder 8; then the traveling crane cart 1 is controlled to walk, the middle pressure cylinder 8 is driven to move longitudinally, the middle pressure cylinder 8 moves forwards to the position of the middle pressure cylinder 8 in the horizontal line, and the second air displacement of the middle pressure cylinder 8 is completed; then the horizontal pushing jack 4 works for the second time, and the middle pressure cylinder 8 is pushed to move transversely in the air for the second time to reach the position of the middle pressure cylinder; and then the first hydraulic lifting device 2 and the second hydraulic lifting device 5 are operated to act so as to drive the middle pressure cylinder 8 to descend, and the middle pressure cylinder 8 is positioned.
Finally, it should be noted that, in the present embodiment, the cart 1, the first hydraulic lifting device 2, the cart 3, the horizontal pushing jack 4, the second hydraulic lifting device 5, etc., all the electronic components in the above components are common standard components or components known to those skilled in the art, the structure and principle thereof are known by those skilled in the art through technical manuals or known through routine experiment methods, and at the idle position of the device, all the above electrical components are connected through wires, and the specific connection means should refer to the sequential working order among the electrical components in the working principle to complete the electrical connection, which is known in the art.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a construction equipment of steam turbine intermediate pressure jar hoist and mount, includes driving (3), its characterized in that: the crane is characterized in that a first hydraulic lifting device (2) and a second hydraulic lifting device (5) are additionally arranged on the crane (3), steel rope hydraulic jacks are arranged on the first hydraulic lifting device (2) and the second hydraulic lifting device (5), lifting balance beams (9) are connected to the lower sides of the first hydraulic lifting device (2) and the second hydraulic lifting device (5) through steel ropes (10), medium-pressure cylinders (8) are connected to the bottoms of the lifting balance beams (9), two flat pushing jacks (4) are arranged on the rear sides of the second hydraulic lifting device (5), the flat pushing jacks (4) can push the second hydraulic lifting device (5) to slide, a crane cart (1) is arranged on the back side of the crane (3), the crane cart (1) is arranged on the crane cart walking beam, and the crane cart (1) can push the crane (3) to move longitudinally.
2. The construction device for hoisting a medium pressure cylinder of a steam turbine according to claim 1, wherein: the first hydraulic lifting device (2) and the second hydraulic lifting device (5) are arranged on one side of the main beam of the travelling crane (3).
3. The construction device for hoisting a medium pressure cylinder of a steam turbine according to claim 1, wherein: the crane is characterized in that a horizontal pushing jack rail (6) is arranged on the crane (3), the first hydraulic lifting device (2) and the second hydraulic lifting device (5) are arranged above the horizontal pushing jack rail (6), and the horizontal pushing jack (4) can drive the first hydraulic lifting device (2) and the second hydraulic lifting device (5) to move on the horizontal pushing jack rail (6).
4. The construction device for hoisting a medium pressure cylinder of a steam turbine according to claim 1, wherein: one side end part of the travelling crane (3) is stopped by a travelling crane trolley (7).
5. A construction device for hoisting a medium pressure cylinder of a steam turbine according to claim 3, wherein: polytetrafluoroethylene plates are arranged between the upper beams of the first hydraulic lifting device (2) and the second hydraulic lifting device (5) and the horizontal pushing jack track (6), and guide plates are further arranged on the upper beams of the first hydraulic lifting device (2) and the second hydraulic lifting device (5).
6. The construction device for hoisting a medium pressure cylinder of a steam turbine according to claim 1, wherein: the first hydraulic lifting device (2) and the second hydraulic lifting device (5) are connected together through connecting beams and are arranged between two main beams of the travelling crane (3).
7. The construction device for hoisting a medium pressure cylinder of a steam turbine according to claim 1, wherein: the two horizontal pushing jacks (4) are respectively arranged on the two main beams of the travelling crane (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976730.6U CN220334547U (en) | 2023-07-26 | 2023-07-26 | Construction device for hoisting middle pressure cylinder of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976730.6U CN220334547U (en) | 2023-07-26 | 2023-07-26 | Construction device for hoisting middle pressure cylinder of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220334547U true CN220334547U (en) | 2024-01-12 |
Family
ID=89460269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321976730.6U Active CN220334547U (en) | 2023-07-26 | 2023-07-26 | Construction device for hoisting middle pressure cylinder of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220334547U (en) |
-
2023
- 2023-07-26 CN CN202321976730.6U patent/CN220334547U/en active Active
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