CN219408997U - Lifting device for disassembling blind plate valve end cover - Google Patents
Lifting device for disassembling blind plate valve end cover Download PDFInfo
- Publication number
- CN219408997U CN219408997U CN202320681689.3U CN202320681689U CN219408997U CN 219408997 U CN219408997 U CN 219408997U CN 202320681689 U CN202320681689 U CN 202320681689U CN 219408997 U CN219408997 U CN 219408997U
- Authority
- CN
- China
- Prior art keywords
- blind plate
- tripod
- end cover
- plate valve
- support frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 10
- 239000004744 fabric Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to a lifting device for disassembling and assembling a blind plate valve end cover, which comprises a cross beam, a support frame, a tripod and a single rail crane, wherein one end of the cross beam is fixedly connected with the support frame, the other end of the cross beam is fixedly connected with the tripod, the single rail crane is connected to the cross beam, and the cross beam is horizontally arranged; the height difference between the support frame and the tripod is the same as the height of the valve body of the blind plate valve, the bottom of the support frame is fixedly connected with the valve body of the blind plate valve, and the tripod is fixedly connected with the foundation. The advantages are that: the blind plate valve end cover can be lifted without a large crane, the blind plate valve end cover is suitable for lifting the blind plate valve end cover in a narrow place, the cost of replacing a sealing rubber ring is reduced, the height difference between a support frame and a tripod is identical to the height of a valve body of the blind plate valve, the support frame can be directly fixed on the valve body of the blind plate valve, and a moving stroke is reserved for the end cover when lifting is convenient. The support frame is directly fixed with the valve body of blind plate valve, also ensures that single track driving can be in the top of end cover, makes things convenient for handling the end cover.
Description
Technical Field
The utility model belongs to the field of maintenance of cloth bag dust removal boxes for blast furnace gas, and particularly relates to a lifting device for dismounting an end cover of a blind plate valve arranged at an inlet and an outlet of the blast furnace gas dust removal box.
Background
Most of large blast furnaces adopt cloth bag dry dust removal, and the inlet and outlet of the gas cloth bag dust removal box body adopts a combination of butterfly valve and blind plate valve (DN 1000) to effectively cut off the connection with raw gas and clean gas pipelines. When the temperature of the blast furnace gas exceeds 300 ℃, the sealing rubber ring of the blind plate valve of the cloth bag box body is fused and adhered to the valve body of the blind plate valve, and the sealing rubber ring needs to be replaced on site. Because the sealing rubber ring is more than 25 meters away from the ground, the end cover is required to be disassembled and assembled for replacing any vulnerable part of the blind plate valve. The end cover weighs about 1 ton, and if the end cover needs to enter the valve body for maintenance, the end cover needs to be moved at least 1 meter, and the end cover of the blind plate valve needs to be lifted by a large crane. The method is time-consuming and labor-consuming, increases cost, is limited by sites in the replacement process, is easy to collide, and has safety risks.
In the prior art, patent application number: 201420437751.5A portable equipment is a trolley in place, adopts a portal structure with universal wheels, is provided with a hand hoist and a hanging ring at the top, and utilizes the hand hoist to lift the equipment. The structure is not suitable for a field site, field cables are dense, and if a movable structure is adopted, safety risks exist.
Disclosure of Invention
The utility model aims to provide a lifting device for dismounting a blind plate valve end cover, which can lift the blind plate valve end cover under the condition of narrow places, improve the working efficiency, reduce the cost of replacing a sealing rubber ring and ensure the safe production.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
a lifting device for disassembling and assembling a blind plate valve end cover comprises a cross beam, a support frame, a tripod and a single-rail crane, wherein one end of the cross beam is fixedly connected with the support frame, the other end of the cross beam is fixedly connected with the tripod, the single-rail crane is connected to the cross beam, and the cross beam is horizontally arranged; the height difference between the support frame and the tripod is the same as the height of the valve body of the blind plate valve, the bottom of the support frame is fixedly connected with the valve body of the blind plate valve, and the tripod is fixedly connected with the foundation.
The tripod is of a herringbone structure by a section welding set.
The tripod comprises a left support rod, a right support rod and lacing wires, wherein the left support rod is fixedly connected with the right support rod in a herringbone mode, lacing wires are fixedly connected between the left support rod and the right support rod, and gaps are reserved between the lacing wires arranged at the bottom and a foundation.
The bottom ends of the left support rod and the right support rod are connected with gaskets.
The support frame is formed into a triangular structure by welding sectional materials.
The device also comprises connecting plates which are respectively welded at the two ends of the cross beam, the top end of the support frame and the top end of the tripod, and the connecting plates are provided with mounting holes.
The beam is provided with a level gauge.
The cross beam is I-steel.
Compared with the prior art, the utility model has the beneficial effects that:
1. a overhead hoist for dismouting blind plate valve end cover simple structure is reasonable, need not large-scale crane and can hoist blind plate valve end cover, is applicable to the blind plate valve end cover of narrow and small place handling, reduces and changes sealed rubber ring cost, and the support frame is the same with the difference in height of the valve body of blind plate valve with the tripod for the support frame can be directly fixed on the valve body of blind plate valve, leaves the travel for the end cover when making things convenient for the handling. The support frame is directly fixed with the valve body of blind plate valve, also ensures that single track driving can be in the top of end cover, makes things convenient for handling the end cover.
2. The tripod adopts the chevron shape structure, and the support frame adopts triangle-shaped structure, ensures the stability of crossbeam, avoids colliding with the phenomenon because of the narrow and small place appears, guarantees safe production, and then single track driving can smooth and easy steady remove on the crossbeam, and handling process labour saving and time saving has more improved work efficiency.
3. The tripod and the supporting frame are made of sectional materials, and various cables on site can pass through the sectional materials without influencing the normal operation of other equipment. The lacing wire of tripod bottom leaves the clearance with the ground, reduces the ground area that the tripod occupy, need not to demolish the cable of laying on the ground simultaneously when handling the end cover.
4. The tripod and the support frame are connected to two ends of the cross beam through the connecting plates and the bolts, so that the on-site dismounting and mounting of the lifting device are facilitated, and the transportation is facilitated.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a cross-sectional view taken along line A-A of fig. 1.
Fig. 4 is a schematic structural view of the connection plate.
Fig. 5 is a schematic view of the working state of the present utility model.
In the figure: 1-a cross beam 2-a monorail crane 3-a support frame 4-a tripod 5-a connecting plate 6-a level 7-a valve body 8-an end cover;
31-foundation channel steel 41-left support rod 42-right support rod 43-lacing wire 44-gasket 51-mounting hole.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
See fig. 1-3, a overhead hoist for dismouting blind plate valve end cover, including crossbeam 1, support frame 3, tripod 4, single track driving 2, crossbeam 1 one end and support frame 3 fixed connection, the other end and tripod 4 fixed connection are connected with single track driving 2 on the crossbeam 1, and crossbeam 1 is the I-steel, and crossbeam 1 level sets up, and single track driving 2 can follow crossbeam 1 and remove. The height difference between the support frame 3 and the tripod 4 is the same as the height of the valve body 7 of the blind plate valve, the bottom of the support frame 3 is fixedly connected with the valve body 7 of the blind plate valve, and the tripod 4 is fixedly connected with the foundation, so that the space occupation area of the lifting device is reduced, and the lifting device is convenient to lift and simultaneously provides a moving stroke for the end cover.
The tripod 4 is of a herringbone structure by a section welding set, the tripod 4 comprises a left supporting rod 41, a right supporting rod 42 and a lacing wire 43, the right supporting rod 41 is fixedly connected with the right supporting rod 42 in a herringbone mode, the lacing wire 43 is fixedly connected between the right supporting rod 41 and the right supporting rod 42, and a gap is reserved between the lacing wire 43 arranged at the bottom and a foundation. The support frame 3 is welded by section bars to form a triangular structure.
In the concrete manufacturing process, the cross beam 1 adopts 2.6m long I-steel (160 mm multiplied by 90 mm) to provide a moving stroke for the end cover 8. The monorail crane 2 is arranged on the I-steel and is used for lifting the blind plate valve end cover 8. The support frame 3 comprises 3 channel steels (80 mm multiplied by 50 mm), and the channel steels with the lengths of 1.1m, 0.6m and 0.6m are respectively used as the foundation channel steels 31 to be arranged at the bottom of the support frame 3 and fixedly connected with the blind plate valve body 7, so that the balance support function is achieved. The tripod 4 is supported on a foundation or a working plane in a herringbone structure by two channel steels (80 mm×50 mm) 3m long, 0.8m and 1.4m long as tie bars 43.
When the sealing rubber ring replacement device is used, as shown in fig. 5, the support frame 3 is arranged on the blind plate valve body 7 of which the sealing rubber ring needs to be replaced, the chain of the monorail crane 2 is connected to the end cover 8, then the connecting piece of the valve body 7 and the end cover 8 is detached, the monorail crane 2 lifts the end cover 8 and slides rightwards by about 1m, maintenance personnel can enter the valve body 7, the sealing rubber ring is replaced, then the end cover 8 is lifted and reset by the monorail crane 2, and the end cover 8 is installed on the valve body 7 again. The lifting device can be left on the blind plate valve, and can be detached and stored or installed on the next blind plate valve needing to replace parts.
Example 2
Referring to fig. 1-4, a structure for facilitating disassembly is added on the basis of embodiment 1. The lifting device for disassembling the blind plate valve end cover 8 further comprises a connecting plate 5, the connecting plate 5 is welded at two ends of the cross beam 1, the top end of the supporting frame 3 and the top end of the tripod 4 respectively, and mounting holes 51 are formed in the connecting plate 5. The beam 1 and the support frame 3 are fixedly connected by adopting 5 connecting plates and 4 bolts with the diameter of 12 multiplied by 8 mm. The beam 1 and the tripod 4 are fixedly connected by adopting 5 connecting plates and 4 bolts with the length of 12 multiplied by 8 mm. The lifting device can be conveniently and rapidly disassembled by adopting the connecting plate 5 and the bolt connection mode, and the transportation and storage of the lifting device are facilitated. The connecting plate 5 can be made of a flange plate.
Example 3
Referring to fig. 1-3, in order to facilitate the on-site calibration of the levelness of the cross beam 1, the monorail crane 2 moves on the cross beam 1 more smoothly and stably, and a level gauge 6 is mounted on the cross beam 1. The purpose of adjusting the levelness of the cross beam 1 can be realized by increasing or decreasing the gaskets 44 at the bottom ends of the right support rod 41 and the right support rod 42 during adjustment.
The utility model is successfully applied to 3200m of two seats of the North-camp ironmaking general works of the steel group 3 Compared with the original method, the replacement of the blind plate valve sealing rubber ring of the gas cloth bag box body of the blast furnace: worker's workThe process is simple, safe and reliable, and the time for replacing the sealing valve rubber ring is shortened; collision caused by narrow space is avoided, and safe production is ensured; and a large crane is not needed, so that the replacement cost is reduced.
Claims (8)
1. The lifting device for disassembling the blind plate valve end cover is characterized by comprising a cross beam, a support frame, a tripod and a single-rail crane, wherein one end of the cross beam is fixedly connected with the support frame, the other end of the cross beam is fixedly connected with the tripod, the single-rail crane is connected to the cross beam, and the cross beam is horizontally arranged; the height difference between the support frame and the tripod is the same as the height of the valve body of the blind plate valve, the bottom of the support frame is fixedly connected with the valve body of the blind plate valve, and the tripod is fixedly connected with the foundation.
2. The lifting device for disassembling and assembling a blind flange valve end cap according to claim 1, wherein the tripod is of a herringbone structure formed by welding profile members.
3. The lifting device for disassembling a blind plate valve end cover according to claim 1, wherein the tripod comprises a left supporting rod, a right supporting rod and a lacing wire, the left supporting rod is fixedly connected with the right supporting rod in a herringbone shape, the lacing wire is fixedly connected between the left supporting rod and the right supporting rod, and a gap is reserved between the lacing wire arranged at the bottom and a foundation.
4. A lifting device for disassembling a blind plate valve end cover according to claim 3, wherein the bottom ends of the left support rod and the right support rod are connected with gaskets.
5. The lifting device for disassembling and assembling a blind flange valve end cap according to claim 1, wherein the supporting frame is formed into a triangular structure by welding sectional materials.
6. The lifting device for disassembling a blind plate valve end cover according to claim 1, further comprising connecting plates, wherein the connecting plates are welded at two ends of the cross beam, the top end of the supporting frame and the top end of the tripod respectively, and mounting holes are formed in the connecting plates.
7. A trolley for removing and installing blind flange valve end caps as claimed in claim 1, wherein the cross member is provided with a level gauge.
8. The overhead hoist for removing and installing a blind flange valve head according to claim 1, wherein the cross member is i-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320681689.3U CN219408997U (en) | 2023-03-30 | 2023-03-30 | Lifting device for disassembling blind plate valve end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320681689.3U CN219408997U (en) | 2023-03-30 | 2023-03-30 | Lifting device for disassembling blind plate valve end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219408997U true CN219408997U (en) | 2023-07-25 |
Family
ID=87235652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320681689.3U Active CN219408997U (en) | 2023-03-30 | 2023-03-30 | Lifting device for disassembling blind plate valve end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219408997U (en) |
-
2023
- 2023-03-30 CN CN202320681689.3U patent/CN219408997U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103470018A (en) | Detachable converter tooling platform | |
| CN109055637B (en) | Hydraulic lifting process for mounting furnace shell in blast furnace overhaul | |
| CN219408997U (en) | Lifting device for disassembling blind plate valve end cover | |
| CN110759232A (en) | Hoisting tool and hoisting method for lower support roller stepped plate of four-roller type rolling mill | |
| CN101723254B (en) | Device for moving equipment in container | |
| CN202279833U (en) | Simple converter flue transition carriage | |
| CN113969547A (en) | U-shaped manned hanging basket type maintenance platform for large bridge tower | |
| CN114195021A (en) | Hoisting device for box culvert | |
| CN210029830U (en) | Special lifting appliance for replacing bell-less furnace top airtight box | |
| CN110724783B (en) | Dismantling and installing method of waste heat boiler in converter environment-friendly reconstruction | |
| CN202542732U (en) | Mechanism for replacing auxiliary hoisting wire rope of four-beam four-rail dual-trolley bridge crane | |
| CN210684349U (en) | Assembled gantry crane track foundation | |
| JP4126469B2 (en) | Blast furnace body disassembly and assembly equipment | |
| CN109019354B (en) | Bridge crane | |
| CN110757398A (en) | Baffle rod tube bundle propeller and construction method thereof | |
| CN211254970U (en) | Cold rolling mill speed reducer demolishs and overhauls hoist | |
| CN213575073U (en) | Hoisting device of blast furnace gas-tight box | |
| CN110654991A (en) | Portable hoisting support | |
| CN201367466Y (en) | Divisional configuration structure of electrolysis bath complete overhaul shop | |
| CN217998835U (en) | Coke oven tedge upper segment assembly platform | |
| CN220015200U (en) | Temporary supporting structure for shield tunnel connecting channel | |
| CN217478333U (en) | Conveyor based on open cut foundation ditch steel shotcrete is demolishd to assembly platform truck | |
| CN220449614U (en) | Side box culvert lifting equipment | |
| CN112792780B (en) | Facility for replacing, disassembling and installing trolley bus travelling wheel | |
| CN220860951U (en) | Movable seal head for replacing primary dedusting metal filter bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240402 Address after: 117000 Beitai Town, Pingshan District, Benxi City, Liaoning Province Patentee after: BENXI BEITAI DUCTILE CAST IRON PIPES CO.,LTD. Country or region after: China Address before: 117000 Beitai Town, Pingshan District, Benxi City, Liaoning Province Patentee before: BENXI BEIYING IRON & STEEL (GROUP) CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |