CN219652481U

CN219652481U - Coke oven furnace gate overhead hoist

Info

Publication number: CN219652481U
Application number: CN202320587002.XU
Authority: CN
Inventors: 张生新; 何晓文; 吴永乾; 胡铭扬; 杨江伟
Original assignee: MCC Tiangong Group Corp Ltd
Current assignee: MCC Tiangong Group Corp Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-09-08
Anticipated expiration: 2033-03-23

Abstract

The utility model belongs to the technical field of equipment hoisting, and particularly relates to a coke oven door hoisting device which comprises a top hoisting tool, a bottom hoisting tool, a top clamping ring, a bottom clamping ring and a first rotating shaft, wherein an oven door is connected with the top clamping ring through the top hoisting tool and is connected with the bottom clamping ring through the bottom hoisting tool, the top clamping ring is connected with the top hoisting tool through the first rotating shaft, and the oven door can rotate around the first rotating shaft. The beneficial effects of the utility model are as follows: the material and the component transportation cost are saved, the large crane and the plate trailer are not needed to be rented on site, and the component transportation work can be completed by using a 5-ton forklift; the labor is saved, and the furnace door is lifted, transported and installed in place once successfully; the construction period is saved, the coke side site is not occupied any more when the coke side furnace door is installed, and the coke drying table and the coke guide rail can be constructed in advance.

Description

Coke oven furnace gate overhead hoist

Technical Field

The utility model belongs to the technical field of equipment hoisting, and particularly relates to a coke oven door hoisting device.

Background

In the installation process of coking furnace body equipment with the height of a large-scale coke furnace carbonization chamber of 6.25 meters, 6.78 meters and 7.3 meters or more, in order to meet the environmental protection requirement, the internal structure of the furnace door is changed from original on-site ash material stirring to on-site construction of a pouring material block installed in the furnace door, and the surface of the pouring material block after installation is coated with a layer of smooth glaze, so that the service life of the furnace door is reduced in order to avoid damage of the glaze layer, and the moving times of the furnace door is reduced as much as possible in the construction process. The traditional installation modes are two, the first is to delay the working time of the coke side workpieces such as a coke drying table, a coke guide rail, a dust removal main pipe bracket and the like, and the coke side is constructed after the installation of the furnace door at the machine side is completed, so that the engineering progress is seriously influenced; the second is to install the coke side furnace door first and then construct the machine side furnace door, and the large crane is needed to hoist the coke side furnace door because of limited construction sites, so that the mechanical cost is high. There is therefore a need for a new oven door trolley for a coke oven that solves the above mentioned technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the coke oven door lifting device, which reduces the moving times of the oven door, quickens the installation speed, shortens the construction period and saves a great deal of cost.

The technical scheme adopted by the embodiment of the utility model is as follows: the utility model provides a coke oven furnace gate overhead hoist, can be connected with the furnace gate, its characterized in that: including top hoist, bottom hoist, top snap ring, bottom snap ring and first rotation axis, the furnace gate passes through the top hoist with top snap ring is connected and passes through the bottom hoist with bottom snap ring is connected, the top snap ring passes through first rotation axis with the top hoist is connected, the furnace gate can wind first rotation axis rotates.

Further, the top sling comprises a first connecting plate and a first fastening piece, wherein the first connecting plate is connected with the top of the furnace door through the first fastening piece and is in rotary connection with the top clamping ring through the first rotary shaft.

Further, a first baffle is arranged at the end part of the first connecting plate, which is far away from the furnace door, and the first rotating shaft is arranged on the first baffle.

Further, the number of the first baffle plates and the number of the first rotating shafts are the same and at least two.

Further, the top snap ring is a U-shaped snap ring, first through holes are formed in two ends of the opening end of the top snap ring, the first baffle is arranged between the two first through holes, and the first rotating shaft penetrates through the first through holes and the first baffle.

Further, the bottom lifting appliance comprises a second connecting plate and a second fastening piece, wherein the second connecting plate is connected with the bottom of the furnace door through the second fastening piece and is connected with the bottom clamping ring through a second rotating shaft.

Further, a second baffle is arranged at the end part of the second connecting plate, which is far away from the furnace door, and the second rotating shaft is arranged on the second baffle.

Further, the number of the second baffles and the second rotating shafts is the same and at least two.

Further, the bottom snap ring is a U-shaped snap ring, two ends of the opening end of the bottom snap ring are provided with second through holes, the second baffle is arranged between the two second through holes, and the second rotating shaft penetrates through the second through holes and the second baffle.

Further, the top snap ring is connected with the first hoisting rope, and the bottom snap ring is connected with the second hoisting rope.

The utility model has the advantages and positive effects that: the machine side furnace door and the coke side furnace door can be constructed simultaneously, so that the material and the component transportation cost are saved, the large crane and the plate trailer do not need to be rented on site, and the transportation work of the components can be completed by using a 5-ton forklift; the furnace door is lifted in parallel and then rotated, so that the furnace door is lifted, transported and installed in place once successfully, the damage of glaze on the surface of castable in the furnace door caused by multiple movements is avoided, and the mechanical cost for installing the furnace door by using a large crane when installing the coke side furnace door is saved; the construction period is saved, the coke side site is not occupied any more when the coke side furnace door is installed, and the coke drying table and the coke guide rail can be constructed in advance.

Drawings

FIG. 1 is a schematic view of the structure of an embodiment of the present utility model in use;

FIG. 2 is a schematic diagram of an embodiment provided by the present utility model;

FIG. 3 is a schematic view of the structure in the direction B-B in FIG. 2;

fig. 4 is a schematic view of the structure in the direction A-A in fig. 2.

In the figure:

1. a top spreader; 11. a first connection plate; 12. a first fastener; 13. a first rotation shaft; 14. a first baffle; 2. a top snap ring; 3. a bottom sling; 31. a second connecting plate; 32. a second fastener; 33. a second rotation shaft; 34. a second baffle; 4. a bottom clasp; 5. a first hoisting rope; 6. a second hoisting rope; 8. and a furnace door.

Detailed Description

The embodiment of the utility model provides a coke oven door lifting device, and the device is described below with reference to the accompanying drawings. In the prior art, the components required by the machine side furnace door are generally placed in the empty space in front of the machine side, the components required by the coke side furnace door are placed on the coke side, the occupied area of the field is large, during construction, the coke side is firstly constructed, then the machine side is constructed, or the machine side is firstly constructed, then the coke side is constructed, the two sides cannot be constructed simultaneously, and because the construction field is limited, a large crane is required to hoist the coke side furnace door, the coke side furnace door is installed after being installed beyond the furnace top, the time and the labor are wasted, the construction progress is seriously dragged, and the mechanical cost input is large.

Referring to fig. 1, a coke oven door handling device connectable to an oven door 8 is characterized in that: including top hoist 1, bottom hoist 3, top snap ring 2, bottom snap ring 4 and first rotation axis 13, furnace gate 8 is connected with top snap ring 2 through top hoist 1 and is connected with bottom snap ring 4 through bottom hoist 3, and top snap ring 2 is connected with top hoist 3 through first rotation axis 13, and furnace gate 8 can rotate around first rotation axis 13. After the furnace door 8 and the castable block are assembled on the machine side operation platform, the furnace door 8 is parallelly hung to the height of a furnace door carrier roller through the top clamping ring 2 and the bottom clamping ring 4, the bottom hanging ring 4 is loosened, the furnace door 8 and the top hanging ring 1 rotate together around the first rotating shaft 13 until the furnace door 8 approaches to a vertical angle, the furnace door frame is installed close to the furnace door frame, the furnace door can be lifted, transported and installed in place from the furnace door once no matter the coke side furnace door or the machine side furnace door, the moving times of the furnace door are reduced, the overall speed of furnace door installation is also accelerated while the surface quality of a lining is ensured, the working efficiency is improved, and the input cost of large machinery is saved. In addition, only two single-beam cranes are needed, the installation of the coke side furnace door does not occupy the coke side field any more, the coke airing table and the coke guide rail can be constructed in advance, and the construction period is saved.

Preferably, as shown in fig. 2, the top spreader 1 comprises a first connection plate 11 and a first fastener 12, the first connection plate being connected to the top of the oven door 8 by the first fastener 12 and being rotatably connected to the top clamp ring 2 by a first rotation shaft 13.

Preferably, as shown in fig. 3, the end of the first connecting plate 11, which is far away from the oven door 8, is provided with a first baffle 14, and the first rotation shaft 13 is provided on the first baffle 14.

Preferably, the number of the first baffles 14 and the first rotation shafts 13 is the same and at least two. In this embodiment, two first baffles 14 are disposed at the top of the first connecting plate 11, a top clamping ring 2 is disposed at the top of each first baffle 14, the top clamping ring 2 can rotate around the first rotation shaft 13, and the top of the oven door 8 can be lifted by the top clamping ring 2.

Preferably, the top snap ring 2 is a U-shaped snap ring, two ends of the opening end of the top snap ring are provided with first through holes, the first baffle 14 is arranged between the two first through holes, and the first rotating shaft 13 penetrates through the first through holes and the first baffle 14.

Preferably, the end of the first rotation shaft 13 is provided with a pin hole. In this embodiment, the two ends of the first rotation shaft 13 are all provided with pin holes, and pin shafts are inserted into the pin holes to clamp the first rotation shaft 13 and the top snap ring 2, so that the top snap ring 2 can only rotate around the first rotation shaft 13, and the safety in the construction process is ensured.

Preferably, the bottom sling 3 comprises a second connection plate 31 and a second fastening member 32, the second connection plate 31 being connected to the bottom of the oven door 8 by means of the second fastening member 32 and to the bottom clasp 4 by means of a second rotation shaft 33.

Preferably, as shown in fig. 4, the end of the second connecting plate 31 remote from the oven door 8 is provided with a second baffle 34, and the second rotation shaft 33 is provided on the second baffle 34.

Preferably, the second barrier 34 and the second rotation shaft 33 are the same in number and at least two in number. In this embodiment, two second baffles 34 are disposed at the top of the second connecting plate 31, a bottom clamping ring 4 is disposed at the top of each second baffle 34, and the bottom clamping ring 4 can rotate around the second rotation shaft 33, and the bottom of the oven door 8 can be lifted by the bottom clamping ring 4.

Preferably, the bottom snap ring 4 is a U-shaped snap ring, two ends of the opening end of the bottom snap ring are provided with second through holes, the second baffle 34 is arranged between the two second through holes, and the second rotating shaft 33 penetrates through the second through holes and the second baffle 34.

Preferably, the top snap ring 2 is connected with the first hoisting rope 5 and the bottom snap ring 4 is connected with the second hoisting rope 6.

During the use, respectively fixed top hoist 1 and bottom hoist 3 to the top of furnace gate 8, the bottom, first hoist rope 5 is connected with top snap ring 2, second hoist rope 6 is connected with bottom snap ring 4, two single beam cranes of control promote furnace gate 8 to furnace gate bearing roller height in step, as shown in fig. 1, then the single beam crane of furnace gate 8 bottom slowly falls the hook, the top hoist 1 of furnace gate 8 keeps furnace gate 8 installation height motionless, use the first rotation axis 13 of top hoist 1 and top snap ring 2 junction to begin rotatory as the center, when furnace gate 8 is close vertical angle, demolish bottom hoist 3 and slowly be close to the door frame again, adjust the furnace gate from top to bottom to furnace gate bearing roller height, use the crow to tear down the hoist after will upper and lower furnace gate bolt accurate in place.

A method of using the oven door trolley as described above, characterized by:

the top of the furnace door 8 is connected with the top clamping ring 2 through the top lifting appliance 1;

the bottom of the furnace door 8 is connected with the bottom clamping ring 4 through the bottom lifting tool 3;

the oven door 8 is lifted in parallel and then rotated around the first rotation axis 13.

The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a coke oven furnace gate overhead hoist, can be connected with the furnace gate, its characterized in that: including top hoist, bottom hoist, top snap ring, bottom snap ring and first rotation axis, the furnace gate passes through the top hoist with top snap ring is connected and passes through the bottom hoist with bottom snap ring is connected, the top snap ring passes through first rotation axis with the top hoist is connected, the furnace gate can wind first rotation axis rotates.

2. The coke oven door overhead hoist of claim 1, wherein: the top lifting appliance comprises a first connecting plate and a first fastening piece, wherein the first connecting plate is connected with the top of the furnace door through the first fastening piece and is rotationally connected with the top clamping ring through the first rotating shaft.

3. The coke oven door handling apparatus of claim 2, wherein: the end part of the first connecting plate, which is far away from the furnace door, is provided with a first baffle, and the first rotating shaft is arranged on the first baffle.

4. The coke oven door overhead hoist of claim 3, wherein: the number of the first baffle plates and the first rotating shafts are the same and at least two.

5. The coke oven door overhead hoist of claim 3, wherein: the top snap ring is a U-shaped snap ring, first through holes are formed in two ends of the opening end of the top snap ring, the first baffle is arranged between the two first through holes, and the first rotating shaft penetrates through the first through holes and the first baffle.

6. The coke oven door overhead hoist of claim 1, wherein: the bottom lifting appliance comprises a second connecting plate and a second fastening piece, wherein the second connecting plate is connected with the bottom of the furnace door through the second fastening piece and is connected with the bottom clamping ring through a second rotating shaft.

7. The coke oven door overhead hoist of claim 6, wherein: the end part of the second connecting plate, which is far away from the furnace door, is provided with a second baffle, and the second rotating shaft is arranged on the second baffle.

8. The coke oven door overhead hoist of claim 7, wherein: the number of the second baffles and the second rotating shafts is the same and at least two.

9. The coke oven door overhead hoist of claim 7, wherein: the bottom snap ring is a U-shaped snap ring, two ends of the opening end of the bottom snap ring are provided with second through holes, the second baffle is arranged between the two second through holes, and the second rotating shaft penetrates through the second through holes and the second baffle.

10. The coke oven door overhead hoist of claim 1, wherein: the top snap ring is connected with the first hoisting rope, and the bottom snap ring is connected with the second hoisting rope.