CN216807909U - Blast furnace rail weighbridge quick replacement frock - Google Patents
Blast furnace rail weighbridge quick replacement frock Download PDFInfo
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- CN216807909U CN216807909U CN202123068047.6U CN202123068047U CN216807909U CN 216807909 U CN216807909 U CN 216807909U CN 202123068047 U CN202123068047 U CN 202123068047U CN 216807909 U CN216807909 U CN 216807909U
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- rail
- track
- scale body
- weighbridge
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Abstract
The utility model relates to a quick replacement tool for a blast furnace rail weigher, and belongs to the technical field of replacement equipment for the rail weigher in the metallurgical industry. The technical scheme is as follows: the track scale rail (3) is fixed on the track scale body (4), the conventional rail (8) is laid on the ground, and the track scale rail (3) and the conventional rail (8) are connected together to form a track for transporting the torpedo ladle; an assembled gantry frame (1) is fixed on two sides of a rail weighbridge scale body (4) respectively, an electric chain block (2) is arranged on the assembled gantry frame (1), the electric chain block (2) is connected to the rail weighbridge scale body (4), a consignment roller (6) is arranged in a foundation pit (5) below the rail weighbridge scale body (4), a consignment rolling rod (7) is arranged on a conventional rail (8), and a steel wire rope on a winch (9) is in driving connection with the rail weighbridge scale body (4). The utility model has the beneficial effects that: the replacement of the blast furnace rail weighbridge weighing body can be conveniently and safely realized in a limited space, and the installation requirement is met.
Description
Technical Field
The utility model relates to a quick replacement tool for a blast furnace rail weigher, and belongs to the technical field of replacement equipment for the rail weigher in the metallurgical industry.
Background
In the metallurgical industry, molten iron produced by smelting in a blast furnace is usually transported by using a molten iron tank car, a road is transported by using a special rail road, the blast furnace rail weighbridge is equipment for weighing the molten iron by using the molten iron tank car, the weighing of the molten iron by using the molten iron tank car needs to be realized by installing the rail weighbridge below the rail track so as to ensure the ready-to-load rate of the molten iron, the rail weighbridge needs to be periodically replaced according to the precision and the state of the equipment, the weight of a weighing body of the blast furnace rail weighbridge is about 10-15 tons, the weighing body is positioned below a blast furnace taphole, the space is limited, and the replacement of the blast furnace rail weighbridge does not have the direct hoisting condition. At present, the replacement of the track scale of the blast furnace in the industry mainly adopts a plurality of jacks to jack the whole scale body, so that the base is level with the front and rear tracks, and then the rolling rod is slowly moved out, thereby wasting time and labor and having poor safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a quick replacement tool for a blast furnace rail weigher, which can conveniently and safely replace a blast furnace rail weigher body in a limited space, meet the installation requirement and solve the problems in the background technology.
The technical scheme of the utility model is as follows:
a quick replacement tool for a blast furnace rail weighbridge comprises an assembled gantry frame, an electric chain block, a rail weighbridge track, a rail weighbridge scale body, a foundation pit, a delivery roller, a delivery rolling rod, a conventional track and a winch, wherein the rail weighbridge scale body is positioned in the foundation pit, the rail weighbridge track is fixed on the rail weighbridge scale body, the conventional track is laid on the ground, and the rail weighbridge track and the conventional track are connected together to form a track for transporting a torpedo tank; an assembled gantry frame is fixed on each of two sides of a railroad track scale body, an electric chain block is arranged on each assembled gantry frame and connected to the railroad track scale body, a carrying roller is arranged in a foundation pit below the railroad track scale body, a carrying rolling rod matched with the railroad track scale body is arranged on a conventional track, a winch is fixed on the ground, and a steel wire rope on the winch is in driving connection with the railroad track scale body.
The assembled gantry frame comprises a cross beam, stand columns, oblique ribs and a bottom plate, wherein two ends of the cross beam are respectively fixed on the two stand columns which are arranged in parallel, the bottom plate is arranged below the stand columns, the oblique ribs are arranged between the cross beam and the stand columns, and the electric chain block is fixed on the cross beam.
And the cross beam is provided with a hoisting hole plate matched with the electric chain block.
And the rail weigher body is in rolling connection with a consignment roller in the foundation pit and a consignment rolling rod on a conventional rail.
The utility model has the beneficial effects that: the utility model can safely and quickly finish the replacement of the blast furnace rail weigher scale body in a limited space, and replaces the original mode of using a plurality of hydraulic jacks to match with the skid and the rolling rod. The replacement time is shortened from the original 120 hours to 36 hours, and the work efficiency is improved by 70 percent. In addition, the whole course of operation outside the foundation pit can be basically realized, and the potential safety hazard of operation inside the foundation pit is greatly reduced.
Drawings
FIG. 1 is a front view of an assembled gantry frame;
FIG. 2 is a side view of an assembled gantry frame;
FIG. 3 is a schematic diagram of a railroad track scale after the scale body has been lifted;
FIG. 4 is a side view of the initial stage of removal;
FIG. 5 is a side view of the late stage of removal;
in the figure: 1. The method comprises the following steps of (1) assembling a gantry frame (2), an electric chain block (3), a track scale rail (4), a track scale body (5) and a foundation pit; 6. The device comprises a consignment roller, 7 consignment rolling bars, 8 conventional rails, 9 a winch, 11 a cross beam, 12 a hoisting hole plate, 13 a stand column, 14 an inclined rib, 15 and a bottom plate.
Detailed Description
The utility model is further illustrated by way of example in the following with reference to the accompanying drawings.
Referring to the attached drawings 1-5, a blast furnace rail weighbridge quick replacement tool comprises an assembled gantry frame 1, an electric chain block 2, a rail weighbridge rail 3, a rail weighbridge scale body 4, a foundation pit 5, a consignment roller 6, a consignment rolling rod 7, a conventional rail 8 and a winch 9, wherein the rail weighbridge scale body 4 is positioned in the foundation pit 5, the rail weighbridge rail 3 is fixed on the rail weighbridge scale body 4, the conventional rail 8 is laid on the ground, and the rail weighbridge rail 3 and the conventional rail 8 are connected together to form a rail for transporting torpedo tanks; an assembled gantry frame 1 is fixed on two sides of a rail weighbridge scale body 4 respectively, an electric chain block 2 is arranged on the assembled gantry frame 1, the electric chain block 2 is connected to the rail weighbridge scale body 4, a supporting and transporting roller 6 is arranged in a foundation pit 5 below the rail weighbridge scale body 4, a supporting and transporting rolling rod 7 matched with the rail weighbridge scale body 4 is arranged on a conventional rail 8, a winch 9 is fixed on the ground, and a steel wire rope on the winch 9 is in driving connection with the rail weighbridge scale body 4.
In this embodiment, as shown in fig. 1 and 2, the assembled gantry frame includes one cross beam, two upright columns, four tilted ribs and two bottom plates, the main structure of the cross beam is formed by butt welding of channel steel, two hoisting holes are welded on the cross beam and used for hanging the electric chain block, two bolt connecting plates are respectively arranged at two ends of the cross beam, and four bolt connecting holes are formed in the two bolt connecting plates and are convenient for being connected with the upright columns through bolts. The stand major structure forms for the channel-section steel butt welding equally, and there is bolted connection board stand top can be connected with the crossbeam, and there is bolted connection board below, passes through bolted connection with the bottom plate, and the diagonal muscle passes through bolted connection to be fixed between stand and below connecting plate, plays the effect of consolidating the stand.
The assembled gantry frame 1 needs to meet the strength and stability conditions, in order to guarantee structural strength, the transverse beams and the upright columns of the gantry frame are formed by butt welding of channel steel, and in order to facilitate field transportation, the frame parts are connected through bolts and can be disassembled and assembled. The electric chain blocks are 4 in number, each bearing is 5 tons, one end of each bearing is fixed on the gantry frame, and the other end of each bearing is fixed at the lifting lug of the weighing body of the rail weighbridge. The winch is fixed at the far end along the track direction and plays a role of dragging the weighing body of the rail weighbridge. The consignment roller 6 is a thick-wall steel cylinder and is a tool for assisting the weighing body of the rail weigher to horizontally move in the foundation pit. The consignment rolling rod 7 is a thick-wall steel cylinder and is a tool for assisting the balance body to move horizontally on the outer track of the foundation pit of the rail weighbridge.
If the depth of the foundation pit is H, the height of the track is H, the outer diameter of the consignment roller is D, and the outer diameter D of the consignment rolling rod needs to satisfy the following relations in order to ensure the relative level of the old weighing body of the track scale and the new weighing body in the process of moving the old weighing body out of the track scale and the new weighing body in the track scale: h + H = D-D
The specific steps of the replacement of the blast furnace rail weigher are as follows:
step 1: dismantling a fixing bolt of the railroad track scale body in the foundation pit to enable the railroad track scale body to move up and down;
step 2: as shown in fig. 1-2, the beams, the columns, the diagonal ribs and the bottom plate of two sets of assembled gantry frames are assembled and stand on the bottom surface of a foundation pit of the railroad scale, and the standing positions of the two sides of the railroad scale body are superposed with the positions of lifting lugs of the railroad scale body;
and step 3: respectively hanging four electric chain blocks on the hoisting hole plates of the two sets of assembled gantry frames, and hanging the other ends of the electric chain blocks at the lifting lug positions of the weighing bodies of the rail weighers;
and 4, step 4: as shown in fig. 3, slowly and synchronously lifting four electric chain blocks to enable the weighing body of the rail weigher to move upwards and be higher than the plane of a conventional rail, placing a plurality of carrying rollers below the weighing body, and properly loosening the four electric chain blocks to enable the lower part of the weighing body to be in contact with the carrying rollers;
and 5: as shown in fig. 4, a steel wire rope fixed on a winch far away from a conventional rail surface is connected with a vertical surface of a rail weighbridge scale body, four electric chain blocks are synchronously loosened, the winch horizontally pulls the rail weighbridge scale body, and a plurality of carrying rolling rods are arranged on the conventional rail;
step 6: as shown in fig. 5, when the railroad scale body horizontally moves out of the foundation pit, the length of which exceeds 50% of the length of the body, the electric chain block is removed, and the hoisting machine, the consignment roller and the consignment rolling rod are matched to move out of the railroad scale body;
and 7: when the railroad scale body is completely and horizontally moved out of the foundation pit, a winch is used, and a consignment roller is matched with the railroad scale body to move out of the railroad scale body;
and 8: when the rail weighbridge scale body moves to a position where the crane can lift off, the crane is used for lifting off the rail weighbridge scale body;
and step 9: the installation of the new railroad track scale body is opposite to the lifting-off step of the old scale body.
Claims (4)
1. The utility model provides a blast furnace rail weighbridge quick replacement frock which characterized in that: the track scale comprises an assembled gantry frame (1), an electric chain block (2), a track scale rail (3), a track scale body (4), a foundation pit (5), a consignment roller (6), a consignment rolling rod (7), a conventional track (8) and a winch (9), wherein the track scale body (4) is positioned in the foundation pit (5), the track scale rail (3) is fixed on the track scale body (4), the conventional track (8) is laid on the ground, and the track scale rail (3) and the conventional track (8) are connected together to form a track for transporting a torpedo tank; an assembled gantry frame (1) is fixed on two sides of a rail weighbridge scale body (4) respectively, an electric chain block (2) is arranged on the assembled gantry frame (1), the electric chain block (2) is connected to the rail weighbridge scale body (4), a consignment roller (6) is arranged in a foundation pit (5) below the rail weighbridge scale body (4), a consignment rolling rod (7) matched with the rail weighbridge scale body (4) is arranged on a conventional rail (8), a winch (9) is fixed on the ground, and a steel wire rope on the winch (9) is in driving connection with the rail weighbridge scale body (4).
2. The tool for rapidly replacing the rail weighbridge of the blast furnace according to claim 1, is characterized in that: the assembled gantry frame (1) comprises a cross beam (11), upright columns (13), oblique ribs (14) and a bottom plate (15), wherein two ends of the cross beam (11) are respectively fixed on the two upright columns (13) which are arranged in parallel, the bottom plate (15) is arranged below the upright columns (13), the oblique ribs (14) are arranged between the cross beam (11) and the upright columns (13), and an electric chain block (2) is fixed on the cross beam (11).
3. The tool for rapidly replacing the rail weighbridge of the blast furnace according to claim 2, is characterized in that: and a hoisting hole plate (12) matched with the electric chain block (2) is arranged on the cross beam (11).
4. The blast furnace rail weighbridge quick replacement tool according to claim 1, characterized in that: the rail weigher body (4) is connected with a consignment roller (6) in the foundation pit (5) and a consignment rolling rod (7) on a conventional rail (8) in a rolling way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123068047.6U CN216807909U (en) | 2021-12-08 | 2021-12-08 | Blast furnace rail weighbridge quick replacement frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123068047.6U CN216807909U (en) | 2021-12-08 | 2021-12-08 | Blast furnace rail weighbridge quick replacement frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216807909U true CN216807909U (en) | 2022-06-24 |
Family
ID=82051911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123068047.6U Active CN216807909U (en) | 2021-12-08 | 2021-12-08 | Blast furnace rail weighbridge quick replacement frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216807909U (en) |
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2021
- 2021-12-08 CN CN202123068047.6U patent/CN216807909U/en active Active
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