CN215439492U - Steel ladle and iron ladle lining masonry lifting platform - Google Patents
Steel ladle and iron ladle lining masonry lifting platform Download PDFInfo
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- CN215439492U CN215439492U CN202121111496.1U CN202121111496U CN215439492U CN 215439492 U CN215439492 U CN 215439492U CN 202121111496 U CN202121111496 U CN 202121111496U CN 215439492 U CN215439492 U CN 215439492U
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Abstract
The utility model discloses a steel ladle and iron ladle lining building lifting platform, which belongs to mechanical equipment and comprises a lifting support and an operation platform arranged at the top of the lifting support, wherein the lifting support consists of a plurality of lifting sliding sleeve rods and a stand column framework arranged at the lower part of the lifting sliding sleeve rods, the lifting sliding sleeve rods are formed by progressively sleeving a plurality of sections of sleeves, the sleeving parts of the sleeves are provided with pin-penetrating locking positions, and a plurality of hydraulic cylinders which are vertically butted are arranged in the lifting sliding sleeve rods; the inside pneumatic cylinder of a plurality of butt joints of lift sliding sleeve pole, the pneumatic cylinder is unanimous with bearing heavy object effort direction, does not have load loss, and the stand skeleton that lift sliding sleeve pole lower part set up can make lift platform more firm.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment in the masonry construction of steel ladle and iron ladle linings in the metallurgical industry, in particular to a steel ladle and iron ladle lining masonry lifting platform.
Background
The ladle and the ladle are industrial equipment matched with an iron-making and steel-making system, wherein the ladle is mainly used for receiving high-temperature molten iron flowing out of a blast furnace, transporting the high-temperature molten iron to a converter smelting workshop through a train rail, and pouring the molten iron into a converter for smelting; the ladle is mainly used for receiving molten steel smelted from a converter, and the molten steel is conveyed to a continuous casting workshop for casting after the technological operations such as refining treatment and the like. Thus, a blast furnace or converter is typically equipped with 25-30 ladles or ladles for alternate operation.
The ladle and the iron ladle are used as equipment for holding high-temperature molten steel and molten iron and mainly comprise a shell and a lining, wherein the lining mainly comprises a heat-insulating layer, a permanent layer and a working layer. The heat-insulating layer is close to the steel plate and is mainly used for reducing heat loss; in order to prevent the ladle wall from being burnt through by molten steel and molten iron, a permanent layer is arranged in the heat-insulating layer; the working layer is directly contacted with molten steel, molten iron and slag, and can be directly subjected to the actions of mechanical scouring and rapid cooling and rapid heating, so that the working layer is easy to peel off, and further burns through the ladle wall, so that potential safety hazards exist, the blast furnace ironmaking and converter steelmaking production are influenced, at the moment, the linings of the ladle and the ladle must be repaired, and the refractory bricks are built again after the linings are removed.
The existing repairing work of the steel ladle and the iron ladle is to dismantle the damaged lining and build a working layer refractory brick or pour a permanent layer castable. The number of matched steel ladles and iron ladles in a steel mill is very large, the repair work is frequent, the engineering quantity is large, and the conventional lining masonry mode mainly adopts two round table platforms for segmental masonry. It mainly has several disadvantages: firstly, the height is not easy to control, and the repeatedly stooping and brick picking bricks have great strain injury to the lumbar muscle of staff during construction; secondly, the platform is unstable, is easy to rock during operation, is easy to step on empty due to too wide gap between the platform and the wrapping wall, and has low construction safety factor. Technical personnel develop some lifting platforms in order to solve the problems, for example, Chinese patent with patent number ZL200620090759.4 discloses a hydraulic lifting platform which is composed of a lifting platform device, a hydraulic control system and a wireless remote control device, wherein two sides of a base are provided with hinged scissor type supporting plates, a round operation platform is arranged on the supporting plates, hinged parts of the supporting plates are connected through pin shafts, lubricating devices are arranged on the pin shafts, a bushing is arranged between the pin shafts and the supporting plates, an oil cylinder is fixed on the alternate supporting plates, and the top of the alternate supporting plates is provided with the operation platform. Chinese patent No. ZL201120508927.8 discloses a lifting platform for laying bricks on a ladle or an iron ladle, which is placed in a permanent layer ladle in which the iron ladle or the steel ladle is poured for laying bricks on a working layer. The lifting platform for building bricks on steel ladles and iron ladles consists of a lifting platform, a foot baffle plate, a lifting support, a hydraulic station, lifting support legs, a lifting oil cylinder, a pin shaft, an overweight alarm system and a control system. The patent number is 201320603565. X's chinese patent, discloses a lift platform in ladle for metallurgy, and it includes steel construction support (1) and main workstation (2), be provided with two sets of dumpling connecting rod group (5) between steel construction support (1) and main workstation (2), steel construction support (1) top all is provided with support (3) and spout (4) with main workstation (2) bottom, be provided with pulley (6) in spout (4), dumpling connecting rod group (5) one end is dumpling connection with support (3), the dumpling connecting rod group (5) other end is connected with pulley (6), two sets of dumpling connecting rod group (5) left and right sides all set up vertically arranged pneumatic cylinder (7), pneumatic cylinder (7) piston rod is connected with dumpling connecting rod group (5) middle part dumpling connection point through connecting piece (9). Above-mentioned three kinds of lift platforms no matter the pneumatic cylinder is vertical to be arranged or the slant is arranged, and its atress structure is the scissor load-bearing structure, and its biggest shortcoming just can not effective locking, in case hydraulic control valve goes wrong, will be in the heavy object oppression effect to decline, even the incident appears.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel ladle and iron ladle lining building lifting platform, which can solve the problems that the height of the existing building lifting platform is not easy to control, the platform is unstable, the building lifting platform is easy to shake during operation and potential safety hazards exist.
In order to solve the problems, the technical scheme adopted by the utility model is as follows: the lifting support is composed of a plurality of lifting sliding sleeve rods and a stand column framework arranged on the lower portion of the lifting sliding sleeve rods, the lifting sliding sleeve rods are formed by progressively sleeving a plurality of sections of sleeves, a pin penetrating locking position is arranged at the sleeving positions of the sleeves, and a plurality of hydraulic cylinders vertically butted and arranged are arranged inside the lifting sliding sleeve rods.
In the above technical solution, a more specific technical solution may also be: the lifting sliding sleeve rod is four in number, vertically and evenly arranged under the operation platform surface and welded with the operation platform, and lifting lugs are arranged on the operation platform surface at the relative welding positions of the lifting sliding sleeve rod.
Further: the sleeve pipe has three sections, be outer tube, well sleeve pipe and interior sleeve pipe respectively, interior sleeve pipe top is connected the operation platform, outer tube bottom and ground fixed connection.
Further: the hydraulic cylinder is provided with two hydraulic cylinders, wherein one hydraulic cylinder is inverted, the heads of the two hydraulic cylinders are butted, and a connecting sleeve is sleeved outside the butted position of the heads; the hydraulic cylinder tail base located above is fixedly connected with the operation platform, and the hydraulic cylinder tail base located below is fixedly connected with the ground.
Further: the connecting sleeve comprises an upper hollow cylinder and a lower hollow cylinder, the two hollow cylinders are connected through a connecting column, and two opposite through holes for inserting pin clamp springs are horizontally formed in the side wall of each hollow cylinder so that the connecting sleeve can be fixedly connected with the head of the hydraulic cylinder; and a horizontal pore passage is transversely arranged in the connecting column, a bearing penetrating pin is inserted in the horizontal pore passage, and two ends of the bearing penetrating pin are fixedly connected with the sleeve.
Further: every two it is fixed with a stand skeleton to go up and down between the sliding sleeve pole, the stand skeleton comprises two horizontal connecting rods and the connecting rod of cross arrangement between the horizontal connecting rod.
Further: the hydraulic cylinder is provided with a three-stage telescopic rod, and the tail end of the telescopic rod is provided with a bolt which is fixedly connected with the hollow cylinder of the coupling sleeve.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
1. because the lifting sliding sleeve rod is formed by progressively sleeving a plurality of sections of sleeves, and the sleeving positions of the sleeves are provided with pin-penetrating locking positions, the most original power-source-free locking is formed, and potential safety hazards when a hydraulic control valve goes wrong can be avoided; a plurality of butted hydraulic cylinders are vertically arranged in the lifting sliding sleeve rod, the acting force directions of the hydraulic cylinders and the weight bearing are consistent, no load loss exists, 2 tons of jacking force exist in a single hydraulic cylinder, 8 double-stage linkage is adopted, the maximum total jacking force is 8 tons, the lifting height reaches 1.5 meters, and the steel ladle building working condition requirement of the height within 5 meters can be met; the upright column framework arranged at the lower part of the lifting sliding sleeve rod can ensure that the lifting platform is more stable.
2. The operation platform is provided with the lifting lug, the whole device can be lifted into a steel ladle or an iron ladle at one time after being assembled, the middle adjustment and the time for the operation personnel to get in and out are shortened, and the work efficiency is improved.
3. Because the two three-stage hydraulic cylinders are adopted to lift the lifting platform, the free control of the height of the platform can be realized during the lining building, and an operator can lift the operation platform at any time according to the requirement to build bricks in the most comfortable posture, so that the labor intensity of the operator is greatly reduced, and the building quality is better; the mechanized equipment is utilized, the efficiency of operating personnel is improved, and the repair time of the linings of the steel ladle and the iron ladle is shortened.
4. After the equipment is adopted, the labor intensity and labor cost of operators can be reduced, and the construction efficiency and safety factor are greatly improved, so that the aims of safely and quickly repairing the linings of the steel ladle and the iron ladle and ensuring the smooth production of the blast furnace and the converter are fulfilled, and the equipment is a new measure for increasing benefits and reducing the cost of the iron and steel metallurgy enterprises.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the lifting bracket of the utility model.
FIG. 3 is a schematic view of the extension of a single hydraulic cylinder within a lift slide rod of the present invention.
Fig. 4 is a schematic structural view of the connecting sleeve of the utility model.
Fig. 5 is a layout of the oil tube of the hydraulic cylinder.
Description of the sequence numbers: the device comprises an operation platform 1, a lifting sliding sleeve rod 2, a sleeve 2-1, a middle sleeve 2-2, an inner sleeve 2-3, an upright post framework 3, a horizontal connecting rod 3-1, a connecting rod 3-2, a locking hole 4, a locking bolt 5, a hydraulic cylinder 6, a bolt with a hole 6-1, a connecting sleeve 7, a hollow cylinder 7-1, a connecting column 7-2, a pin-penetrating snap spring 7-3, a through hole 7-4, a horizontal hole channel 7-5, a bearing pin-penetrating 7-6, a lifting lug 8 and an oil pipe 9.
Detailed Description
The utility model will be further described in detail with reference to the following examples:
the embodiment 1 shown in fig. 1, 2, 3 and 4 comprises a lifting support and an operation platform 1 arranged at the top of the lifting support, wherein the lifting support consists of four lifting sliding sleeve rods 2 and a column framework 3 arranged at the lower parts of the lifting sliding sleeve rods, the four lifting sliding sleeve rods 2 are vertically, uniformly and symmetrically arranged below the operation platform and welded with the operation platform, lifting lugs 8 are arranged at the positions, corresponding to the welding positions, of the lifting sliding sleeve rods on the surface of the operation platform 1, the whole device can be hoisted into a steel ladle or an iron ladle at one time after being assembled, the adjustment in the middle and the entering and exiting time of operation personnel are shortened, and the working efficiency is improved; the lifting sliding sleeve rod is formed by sequentially telescopically sleeving an outer sleeve 2-1, a middle sleeve 2-2 and an inner sleeve 2-3, a pin penetrating locking position consisting of a locking hole 4 and a locking bolt 5 is arranged at each sleeve sleeving position, the top of the inner sleeve 2-3 is connected with the operation platform 1, the bottom of the outer sleeve 2-1 is fixedly connected with the ground, and the pin penetrating locking position is arranged at each sleeve sleeving position to form the most original powerless source locking, so that the potential safety hazard when a hydraulic control valve goes wrong can be avoided; two hydraulic cylinders 6 which are vertically butted are arranged in each lifting sliding sleeve rod, each hydraulic cylinder is provided with a three-stage telescopic rod, the hydraulic cylinder above is inverted, the tail base of the hydraulic cylinder 6 above is fixedly connected with the operation platform 1, the tail base of the hydraulic cylinder below is fixedly connected with the ground, the heads of the two hydraulic cylinders are butted, the heads of the hydraulic cylinders are fixedly provided with a perforated bolt 6-1, the butted part of the heads is externally sleeved with a connecting sleeve 7 which comprises an upper hollow cylinder 7-1 and a lower hollow cylinder 7-1, the two hollow cylinders 7-1 are connected through a connecting column 7-2, and the side wall of each hollow cylinder is horizontally provided with two opposite through holes 7-4 for inserting through pin snap springs 7-3 so as to enable the connecting sleeve 7 to be fixedly connected with the perforated bolt 6-1 at the heads of the hydraulic cylinders 6; a horizontal hole 7-5 is transversely arranged in the connecting column 7-2, a bearing through pin 7-6 is inserted in the horizontal hole, two ends of the bearing through pin are fixedly connected with the sleeve, the acting force direction of the hydraulic cylinder and the acting force direction of a bearing heavy object are consistent, no load loss exists, 2 tons of jacking force exist in a single machine, 8 double-stage linkage is adopted, the maximum total jacking force is 8 tons, the lifting height reaches 1.5 meters, and the steel ladle building working condition requirement of the height within 5 meters can be met; the upright post framework is arranged at the lower part of the lifting sliding sleeve rod; an upright column framework 3 is arranged between every two lifting sliding sleeve rods, the upright column framework is composed of two horizontal connecting rods 3-1 and connecting rods 3-2 arranged between the horizontal connecting rods in a crossed mode, the horizontal connecting rods 3-1 and the connecting rods 3-2 are welded with the adjacent lifting sliding sleeve rods, and the lifting platform can be more stable due to the arrangement mode of the upright column framework.
As shown in fig. 5, the oil pipe 9 of the hydraulic cylinder 6 may be extended from the base of the hydraulic cylinder 6.
During the use, will be able to bear or endure firebrick and place on operation platform 1, start two pneumatic cylinders 6 or arbitrary pneumatic cylinder 6, pneumatic cylinder 6 drives flexible sliding sleeve pole and rises or descend to any position, can freely control operation platform's elevating height, and the operation personnel can get to bear or endure firebrick as required and build the inside lining by laying bricks or stones.
In other embodiments, the number of the lifting sliding sleeve rods can be three, five or six, and the lifting sliding sleeve rods can be four sections of telescopic sleeves or five sections of telescopic sleeves; can be adjusted according to actual needs.
Claims (7)
1. The utility model provides a ladle, iron ladle inside lining build lift platform by laying bricks or stones, including lifting support and set up the operation platform at this lifting support top, its characterized in that: the lifting support is composed of a plurality of lifting sliding sleeve rods and a stand column framework arranged on the lower portion of the lifting sliding sleeve rods, the lifting sliding sleeve rods are formed by progressively sleeving a plurality of sections of sleeves, pin penetrating locking positions are arranged at sleeving positions of the sleeves, and a plurality of hydraulic cylinders vertically butted are arranged inside the lifting sliding sleeve rods.
2. The steel ladle and iron ladle lining masonry lifting platform according to claim 1, characterized in that: the lifting sliding sleeve rod is four in number, vertically and evenly arranged under the operation platform surface and welded with the operation platform, and lifting lugs are arranged on the operation platform surface at the relative welding positions of the lifting sliding sleeve rod.
3. The ladle, ladle lining masonry lifting platform of claim 1 or 2, characterized in that: the sleeve pipe has three sections, be outer tube, well sleeve pipe and interior sleeve pipe respectively, interior sleeve pipe top is connected the operation platform, outer tube bottom and ground fixed connection.
4. The ladle and iron ladle lining masonry lifting platform according to claim 3, characterized in that: the hydraulic cylinder is provided with two hydraulic cylinders, wherein one hydraulic cylinder is inverted, the heads of the two hydraulic cylinders are butted, and a connecting sleeve is sleeved outside the butted position of the heads; the hydraulic cylinder tail base located above is fixedly connected with the operation platform, and the hydraulic cylinder tail base located below is fixedly connected with the ground.
5. The ladle and iron ladle lining masonry lifting platform according to claim 4, characterized in that: the connecting sleeve comprises an upper hollow cylinder and a lower hollow cylinder, the two hollow cylinders are connected through a connecting column, and two opposite through holes for inserting pin clamp springs are horizontally arranged on the side wall of each hollow cylinder so as to enable the connecting sleeve to be fixedly connected with the head of the hydraulic cylinder; and a horizontal pore passage is transversely arranged in the connecting column, a bearing penetrating pin is inserted in the horizontal pore passage, and two ends of the bearing penetrating pin are fixedly connected with the sleeve.
6. The ladle and iron ladle lining masonry lifting platform according to claim 5, characterized in that: every two be provided with an upright skeleton between the smooth loop bar of lift, upright skeleton comprises two horizontal connecting rod and the connecting rod of cross arrangement between horizontal connecting rod.
7. The ladle and iron ladle lining masonry lifting platform according to claim 4, characterized in that: the hydraulic cylinder is provided with a three-stage telescopic rod, and the tail end of the telescopic rod is provided with a bolt which is fixedly connected with the hollow cylinder of the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121111496.1U CN215439492U (en) | 2021-05-24 | 2021-05-24 | Steel ladle and iron ladle lining masonry lifting platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121111496.1U CN215439492U (en) | 2021-05-24 | 2021-05-24 | Steel ladle and iron ladle lining masonry lifting platform |
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| CN215439492U true CN215439492U (en) | 2022-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559025A (en) * | 2022-01-29 | 2022-05-31 | 北京首钢股份有限公司 | Repairing method for steel ladle in cold state |
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2021
- 2021-05-24 CN CN202121111496.1U patent/CN215439492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559025A (en) * | 2022-01-29 | 2022-05-31 | 北京首钢股份有限公司 | Repairing method for steel ladle in cold state |
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