CN214087312U - Special frock of thermal power factory high pressure feed water heater hoist and mount, system - Google Patents
Special frock of thermal power factory high pressure feed water heater hoist and mount, system Download PDFInfo
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- CN214087312U CN214087312U CN202022180422.5U CN202022180422U CN214087312U CN 214087312 U CN214087312 U CN 214087312U CN 202022180422 U CN202022180422 U CN 202022180422U CN 214087312 U CN214087312 U CN 214087312U
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Abstract
The utility model discloses a special tool and a system for hoisting a high-pressure heater in a thermal power plant, which comprises a hoisting beam, wherein a plurality of hoisting points are arranged at the bottom of the hoisting beam at intervals, and each hoisting point is connected with a hoisting tool; the lifting appliance comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight sections, the second section is an arc-shaped section, the tops of the first section and the third section are connected with lifting points, the bottoms of the first section and the third section are connected with the second section, and the second section is used for hanging a high-voltage lifting lug to lift the high-voltage capacitor.
Description
Technical Field
The utility model belongs to the technical field of large-scale power station equipment fixing, concretely relates to special frock of thermal power factory high pressure feed water heater hoist and mount, system.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
In the process of hoisting a vertical high-pressure heater, in order to enable a high heater (namely the high-pressure heater) to be hoisted from a hoisting hole and to realize rotating, standing and translating in place, the prior technical scheme is that two traveling cranes or other auxiliary hoisting equipment are utilized, two hoisting beams are used as hoisting tools, steel wire ropes of the two hoisting beams are respectively connected with lifting lugs at the upper part and the lower part of the high heater, after the high heater is hoisted for a certain height, the high heater is rotated and stood, the traveling cranes are horizontally moved to a high heater in-place position, and the high heater is put in place on an equipment base.
There are three common ways of laying slings on a lifting beam:
the method comprises the following steps: the lifting hook groups of the two lifting beams are used as bearing points, each lifting hook group is provided with two steel wire ropes, and the steel wire ropes of the two lifting beams are respectively connected with the lifting lugs at the upper part and the lower part of the lifting lug;
the second method comprises the following steps: dismantling the self-carrying lifting hook group of the lifting beam, erecting two special steel wire ropes on the upper part of the lifting beam, taking the upper part of the lifting beam as a bearing point, and respectively connecting the steel wire ropes of the two lifting beams with lifting lugs on the upper part and the lower part of the lifting beam;
the third method comprises the following steps: two lifting points are newly arranged at the lower part of the lifting beam, two special steel wire rope slings are installed, the lower part of the lifting beam is used as a bearing point, and the steel wire ropes of the two lifting beams are respectively connected with the lifting lugs at the upper part and the lower part of the lifting beam.
The inventors have found that these methods have their own disadvantages, as detailed below:
according to the method I, the original lifting hook is utilized to assemble the steel wire rope, the steel wire rope forms a certain angle with the horizontal direction, the steel wire rope can be in contact with the high seal head part in the rotating process after lifting, the steel wire rope is subjected to inward component force action, and the steel wire rope is seriously rubbed with the inner side of the lifting lug in the rotating process, for example, the length of the steel wire rope is increased, although the problem that the steel wire rope can be in friction contact with the high seal head part can be relieved, the lifting height of the high seal is obviously limited, and the problem that the space of the vertical high seal in-place height in a narrow space is insufficient can not be solved;
in the second method, two special steel wire ropes are erected at the upper part of the lifting beam, the upper part of the lifting beam is used as a bearing point, and in the rotating process after lifting, the steel wire ropes and the high lifting lugs have a sliding trend on the lifting beam under the action of friction force, and the friction force between the steel wire ropes and the lifting beam can also enable the lifting beam to incline in the vertical direction, so that the stress of the tool is directly influenced, and the safety risk exists;
in the third method, a lifting point is arranged at the lower part of the lifting beam, a special steel wire rope sling is installed, in the rotating process after lifting, the steel wire rope and the circumference of the high-pressure lifting lug are subjected to rigid friction, the steel wire of the steel wire rope has the hidden danger of abrasion and wire breakage, and the method is not favorable for equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a special frock of thermal power factory high pressure feed water heater hoist and mount, system under narrow and small high space condition, the device rationally sets up the hoist on lifting the roof beam, can guarantee the maximize and utilize high space, can guarantee again that the frock atress is reasonable, smooth and easy slip is rotatory, uses safe and reliable more.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
in a first aspect, an embodiment of the utility model provides a special tool for hoisting a high-pressure heater in a thermal power plant, which comprises a hoisting beam, wherein a plurality of hoisting points are arranged at the bottom of the hoisting beam at intervals, and each hoisting point is connected with a hoisting tool; the lifting appliance comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight sections, the second section is an arc-shaped section, the tops of the first section and the third section are connected with lifting points, the bottoms of the first section and the third section are connected with the second section, and the second section is used for hanging a high-voltage lifting lug to lift the high-voltage capacitor.
As a further technical scheme, a plurality of lifting points are uniformly arranged at the bottom of the lifting beam, and the first section and the third section of the lifting appliance are oppositely arranged.
As a further technical scheme, the second section is of a C-shaped structure, the opening of the C-shaped structure is arranged upwards, and the open end of the C-shaped structure is connected with the first section/the third section.
As a further technical scheme, a connecting plate is detachably arranged between the open ends of the C-shaped structures and can be clamped at the top of the high-pressure lifting lug.
As a further technical scheme, the connecting plate is a polytetrafluoroethylene plate, and the connecting plate and the second section are coated with butter.
As a further technical scheme, the lifting point is provided with a lifting lug, the lifting lug is fixedly connected with the lifting beam, and the lifting lug is connected with the lifting appliance.
As a further technical scheme, the lifting appliance is vertically arranged and adopts a lifting belt.
As a further technical scheme, the first section and the third section are arranged in equal length, the tops of the first section and the third section are connected with the lifting point through a pin shaft, and the first section, the third section and the second section are fixedly connected through the pin shaft.
In a second aspect, the embodiment of the utility model provides a still provide a thermal power factory high pressure feed water heater hoist and mount system, include as above special frock of hoist and mount, hoist and mount machines have the lifting hook, the lifting hook with lift the hanging beam top and be connected.
In a third aspect, the embodiment of the present invention further provides a method for using the tool dedicated for hoisting, including the following steps:
the top of the lifting beam is tightly connected with the bottom of the lifting hook;
the second section of the hanging strip is hung on the high-pressure lifting lug, a connecting plate is arranged at the opening end of the C-shaped structure of the second section, and butter is spread to complete the connection of the hanging strip and the high-pressure lifting lug;
after the lifting height is set to be high, the lifting beam is lifted up by half, and the lifting belt rotates smoothly on the lifting lug until the whole lifting height is supported by the lifting beam, so that the rotating erection of the lifting height is realized.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
the utility model discloses a frock, hoist adopt the structural design of the split type connection of three-section, have guaranteed hoist and mount heavy object rigidity, intensity requirement, set up the connecting plate at hoist second section top to paint the butter, realize that the suspender is at the high smooth and easy slip rotation that adds on the lug, the installation is dismantled nimble conveniently, and the design of round pin axle has fully absorbed the influence of slightly rocking to the frock.
The utility model discloses a frock, lifting beam rational design hoisting point, the atress is more reasonable, has avoided hoist and the high friction that adds the body, has also avoided the safe risk of rotatory in-process lifting beam slope, and simple structure is practical, easy dismounting.
The utility model discloses a frock, but reuse once drops into and can carry out the vertical height of many sets of units and add hoist and mount work, and construction cost is lower.
The utility model discloses construction simple process, the control degree of difficulty is little, and the precision equipment who drops into is few, easily field operation, safe and reliable.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic view illustrating that the special hoisting tool and the hook are matched to hoist the high-pressure heater according to one or more embodiments of the present invention;
fig. 2 is a schematic view of a special tool for hoisting according to one or more embodiments of the present invention;
in the figure: 1 lifting beam, 2 lifting points, 3 lifting tools, 4 first sections, 5 second sections, 6 third sections, 7 high lifting lugs, 8 connecting plates, 9 flange covers and 10 lifting hooks.
The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The terms "mounted", "connected", "fixed", etc. in the present invention should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Just as the background art introduces, exist not enoughly among the prior art, for solving above-mentioned technical problem, the utility model provides a special frock of thermal power factory high pressure feed water heater hoist and mount, system.
Example 1:
the utility model discloses an among the typical embodiment, as shown in FIG. 1, provide a special frock of thermal power factory high pressure heater hoist and mount, including lifting hanging beam 1, lift the hanging beam and be load-bearing beam, carry out the handling to high pressure heater.
A plurality of lifting points 2 are arranged at the bottom of the lifting beam at intervals, the plurality of lifting points are uniformly arranged at the bottom of the lifting beam, and each lifting point is connected with a lifting appliance 3.
In this embodiment, two lifting points are arranged at the bottom of the lifting beam, the two lifting points are symmetrically arranged on the vertical central line at the bottom of the lifting beam, and the distance between the centers of the two lifting points is 4070 mm.
Furthermore, the lifting point is provided with a lifting lug, the lifting lug and the lifting beam are fixed in a welding mode, and the welding strength meets the design requirement.
The lifting lugs of the lifting points are connected with the lifting appliance through pin shafts.
The vertical setting of hoist, hoist adopt the suspender, and the hoist top is connected with the hoisting point lug, and the hoist is by the downwardly extending setting with the hoisting point junction, and the hanger bottom articulates on the high-pressure heater lug.
Herein, the high pressure heater means a high pressure heater, and the high pressure lifting lug means a lifting lug arranged on the side part of the high pressure heater.
The lifting appliance is arranged to be a steel lifting belt in the embodiment, the steel lifting belt is made of high-strength metal materials, and the width of the steel lifting belt is 400 mm.
Specifically, the lifting appliance is set to be in a split form and comprises a first section 4, a second section 5 and a third section 6 which are sequentially connected, the first section and the third section are straight sections, the second section is an arc-shaped section and is oppositely arranged, the tops of the first section and the third section are connected with lifting point lifting lugs, the bottoms of the first section and the third section are connected with the second section, and the second section is hung on the high-pressure lifting lugs.
The first section and the third section are arranged in equal length, and the length of the first section and the third section is 1800mm in the embodiment, so that the requirement on hoisting strength is met.
The second section is of a C-shaped structure, the opening of the C-shaped structure is arranged upwards, the open end of the C-shaped structure is connected with the first section and the third section, namely one end of the open end of the C-shaped structure is connected with the first section, the other end of the open end of the C-shaped structure is connected with the third section, and the arc inner bottom surface of the C-shaped structure is attached to the arc bottom surface of the high-pressure lifting lug 7 so as to be hung.
The second section is integrally reinforced, so that the problem that the second section is difficult to mount due to disassembly and deformation is avoided; a connecting plate 8 is detachably arranged between the open ends of the C-shaped structures of the second section and clamped above the high-pressure lifting lugs, so that the connection reliability of the hanging strip and the high-pressure lifting lugs can be ensured; the distance from the bottom of the connecting plate to the inner bottom surface of the second section of arc is slightly larger than the diameter of the high lifting lug, so that the hanging strip and the high lifting lug can not be clamped in the hoisting process, and the rotating function of the hanging strip is met;
in this embodiment, the connecting plate adopts the thick polytetrafluoroethylene board of 2mm, and high lug articulate in the second section arc bottom surface of connecting plate below, when high lug articulates the back and hoist, the hoist can take place rotatoryly, paints the butter at connecting plate and second section, can reduce the friction of rotatory in-process, and the second section satisfies the suspender simultaneously and adds the rotatory function on the lug under the prerequisite that satisfies the intensity requirement.
The utility model discloses in, hoist first section, third section top all are connected with the hoisting point through the round pin axle, and first section, third section and second section are all fixed with the round pin axle, can absorb the hoist and mount in-process and slightly rock the influence to lifting the hanging beam, the on-the-spot installation of being convenient for again and dismantle.
The distance from the top to the bottom of the lifting appliance is larger than a set value, in the embodiment, the total height of the top of the lifting appliance to the top of the lifting lug is 2350mm, and the safe distance between the top and the lifting beam in the rotary overturning process of different types is met.
The lifting appliance is reasonably designed on the lifting beam, so that the height space can be maximally utilized, the reasonable stress of the tool can be ensured, and the lifting appliance is safer and more reliable to use.
The steel band set up, both guaranteed rigidity, intensity requirement, can realize again that the smooth and easy slip of steel suspender on the lug is rotatory, and the design of round pin axle has fully absorbed the influence of slightly rocking to the frock, and the installation is dismantled nimble conveniently.
Because the diameters of the vertical high lifting lugs are different, the length of the high lifting lugs meets the set value range, and therefore the lifting lugs can be safely lifted and rotated to be upright on the premise that the center distance of the lifting points is constant.
The end connection of the high-pressure lifting lug is provided with a vertical flange cover 9, the flange cover is connected with the high-pressure lifting lug through bolts, the lifting belt can be conveniently detached and installed, the effect of a stop is achieved in the rotating process of the lifting belt, and the lifting belt is prevented from slipping out of the high-pressure lifting lug in the rotating process.
Example 2:
the embodiment provides a high pressure heater hoist and mount system of thermal power factory, includes as above hoist and mount frock, hoist and mount machines and tools have lifting hook 10, and the lifting hook is connected with the lift hanging beam top of hoist and mount frock.
Specifically, the lifting hook sets up two, and two lifting hook symmetric connection adopt the arm-tie round pin hub connection mode in lifting the hanging beam top both sides, lifting hook and the connection of lifting the hanging beam, and furthest reduces the hoist cable height, and the at utmost improves the height that adds.
In this embodiment, the hoist and mount machines adopt the driving.
The utility model discloses hoisting tool's application method does:
hoisting the high-pressure heater under the matching of a crane hook of the steam turbine room, wherein the bottom of the hook is fixedly connected with the top of the lifting beam;
two hanging strips of the hoisting tool are respectively connected with high-pressure lifting lugs on two sides of the high-pressure heater in a manner that a second section of the hanging strip is hung on the high-pressure lifting lugs, and a connecting plate is arranged at the opening end of a C-shaped structure of the second section and is coated with butter;
after the lifting height is increased by a certain height, the lifting beam is lifted up to the upper half part, the lifting belt rotates smoothly on the lifting lug, the rotating erection of the lifting height is slowly realized, and the rotating erection of the vertical lifting height is realized until the whole lifting height is supported by the lifting beam.
When the two lifting beams are used for lifting the high-pressure heater together, the hanging strip of one lifting beam is connected with the high-pressure lifting lug on one side of the high pressure heater, and the hanging strip of the other lifting beam is connected with the high-pressure lifting lug on the other side of the high pressure heater;
after the lifting height is increased by a certain height, the lifting beam on one side is lifted, the lifting beam on the upper half part of the lifting height is lifted, meanwhile, the lifting beam on the other side is lifted slowly and descends, the lifting belt rotates smoothly on the lifting lug for the lifting height, the rotating erection of the lifting height is realized slowly, and the whole lifting height is increased until the lifting beam on one side bears all loads, so that the rotating erection of the vertical lifting height is realized.
The utility model discloses utilize the driving as main hoisting machinery, use high pressure feed water heater hoist and mount special frock to be the hoist, high add interim lug, realize through the lift of hoist that high rotation is upright with. The method has the advantages of less investment of precision equipment, simple construction process, convenient operation, easy control, economy, practicality, short construction period and low cost. Has obvious advantages in the aspects of technical feasibility, safety, economy and the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A special tool for hoisting a high-pressure heater of a thermal power plant is characterized by comprising a lifting beam, wherein a plurality of hoisting points are arranged at the bottom of the lifting beam at intervals, and each hoisting point is connected with a hoisting tool; the lifting appliance comprises a first section, a second section and a third section which are sequentially connected, wherein the first section and the third section are straight sections, the second section is an arc-shaped section, the tops of the first section and the third section are connected with lifting points, the bottoms of the first section and the third section are connected with the second section, and the second section is used for hanging a high-voltage lifting lug to lift the high-voltage capacitor.
2. The special tool for hoisting according to claim 1, wherein a plurality of hoisting points are uniformly arranged at the bottom of the hoisting beam, and the first section and the third section of the hoisting tool are oppositely arranged.
3. The special tool for hoisting according to claim 1, wherein the second section is a C-shaped structure, the opening of the C-shaped structure is arranged upwards, and the open end of the C-shaped structure is connected with the first section and the third section.
4. The special hoisting tool according to claim 3, wherein a connecting plate is detachably arranged between the open ends of the C-shaped structures, and the connecting plate can be clamped at the top of the high-pressure lifting lug.
5. The special tool for hoisting according to claim 4, wherein the connecting plate is made of a polytetrafluoroethylene plate, and the connecting plate and the second section are coated with butter.
6. The special hoisting tool according to claim 1, wherein the hoisting point is provided with a lifting lug, the lifting lug is fixedly connected with the hoisting beam, and the lifting lug is connected with the hoisting tool.
7. The special tool for hoisting according to claim 1, wherein the hoisting tool is vertically arranged and adopts a hanging strip.
8. The special tool for hoisting according to claim 1, wherein the first section and the third section are arranged in equal length.
9. The special tool for hoisting according to claim 1, wherein the tops of the first section and the third section are connected with the hoisting point through a pin shaft, and the first section, the third section and the second section are fixedly connected through a pin shaft.
10. A hoisting system of a high-pressure heater in a thermal power plant is characterized by comprising the special hoisting tool and the special hoisting tool as set forth in any one of claims 1 to 9, wherein the special hoisting tool and the special hoisting tool are provided with a lifting hook, and the lifting hook is connected with the top of a lifting hanging beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022180422.5U CN214087312U (en) | 2020-09-28 | 2020-09-28 | Special frock of thermal power factory high pressure feed water heater hoist and mount, system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022180422.5U CN214087312U (en) | 2020-09-28 | 2020-09-28 | Special frock of thermal power factory high pressure feed water heater hoist and mount, system |
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| Publication Number | Publication Date |
|---|---|
| CN214087312U true CN214087312U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022180422.5U Active CN214087312U (en) | 2020-09-28 | 2020-09-28 | Special frock of thermal power factory high pressure feed water heater hoist and mount, system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214087312U (en) |
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2020
- 2020-09-28 CN CN202022180422.5U patent/CN214087312U/en active Active
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