Weighing material tank lining plate rapid replacement device

Abstract

The utility model discloses a device for quickly replacing a lining plate of a weighing charging bucket, and relates to the technical field of blast furnace ironmaking equipment. Comprising a fixing frame, a guide frame and a lifting mechanism, the fixing frame comprises a first fixing frame and a second fixing frame, the first fixing frame is fixedly connected to an inspection manhole of a weighing material tank, and the second fixing frame is fixedly connected to an inspection platform through a stand column; the first fixing frame and the second fixing frame are arranged in the first direction and extend in the second direction, two sets of walking mechanisms are arranged on the guide frame, and the guide frame is connected to the first fixing frame or the second fixing frame through the two sets of walking mechanisms. The guide frame can move in the first direction or the second direction relative to the first fixing frame and the second fixing frame through the walking mechanism, and the lifting mechanism is arranged on the guide frame and can move in the axis direction of the guide frame. According to the utility model, the lining plate in the weighing charging bucket can be quickly replaced, so that the safety risk and the labor intensity of operators are greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of blast furnace ironmaking equipment, in particular to a device for quickly replacing a lining plate of a weighing tank. Background Art

[0002] The lining of the weighing tank on the top of the blast furnace without bell is a wear part and needs to be replaced regularly. When replacing, the old lining needs to be removed piece by piece and then hoisted out, and then the new lining needs to be hoisted in piece by piece for installation. 3 ) blast furnace as an example, there are 7 layers of straight and conical linings in the weighing tank, with a total of 114 linings, and a single lining weighs about 150kg. The traditional replacement method is manual replacement with a fall chain. A single lining weighs 150kg. It requires at least 4 operators to complete the replacement with a fall chain at the same time, which has high labor intensity. In addition, the maintenance of the lining is time-consuming when manually replacing the lining with a fall chain, which seriously restricts the improvement of the blast furnace productivity. At the same time, due to the limited internal space of the tank, there are crooked and slanted lifting during the use of the fall chain. The working environment involves limited space and gas operations. The longer the lining replacement takes, the more likely the workers will suffer from suffocation, poisoning, and injuries during the disassembly and assembly process. Utility Model Content

[0003] The purpose of the utility model is to provide a device for quickly replacing the liner of a weighing tank, so as to solve the problems of wasting manpower and time in the above-mentioned background technology using a manual fall chain to replace the liner, and the problem that the liner disassembly and assembly process may easily cause suffocation and poisoning of the operators due to the long replacement time.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for quickly replacing a liner of a weighing tank, comprising a fixed frame, a guide frame and a lifting mechanism, wherein the fixed frame comprises a first fixed frame and a second fixed frame, the first fixed frame is fixedly connected to an inspection manhole of the weighing tank, the second fixed frame is fixedly connected to an inspection platform through a column, the first fixed frame and the second fixed frame are arranged along a first direction, and the first fixed frame and the second fixed frame both extend along a second direction, the first direction is perpendicular to the second direction, and the first direction and the second direction are both parallel to the inspection platform, two groups of walking mechanisms are arranged on the guide frame, the guide frame is respectively connected to the first fixed frame or the second fixed frame through the two groups of walking mechanisms, the guide frame can be moved relative to the first fixed frame and the second fixed frame along the first direction or along the second direction through the walking mechanism, when the liner needs to be replaced, one end of the guide frame extends into the weighing tank along the inspection manhole, the lifting mechanism is arranged on the guide frame, and the lifting mechanism can move along the axial direction of the guide frame.

[0005] Based on the above technical features, the supporting device in the utility model is composed of several parts, such as a fixed frame, a guide frame and a lifting mechanism, wherein the guide frame is connected to the first fixed frame and the second fixed frame through a walking structure, and the guide frame can be moved relative to the first fixed frame and the second fixed frame in a horizontal plane composed of a first direction and a second direction through the walking mechanism, so that the lifting mechanism connected to the guide frame can be fully positioned to the position where the liner of the weighing tank needs to be replaced, thereby realizing rapid replacement of the liner in the weighing tank, greatly reducing the safety risks during the liner replacement operation, and, when using the supporting device in the utility model to replace the liner, most of the weight of the liner is borne by the lifting mechanism, compared with the solution of manually replacing the liner with a fall chain, the input of the operating personnel is greatly reduced, and the labor intensity of the operating personnel is also greatly reduced.

[0006] Preferably in the technical solution, both ends of the first fixing frame are fixedly connected with ear plates, the inspection manhole is fixedly connected with a flange matching the ear plates, and the ear plates can be fixedly connected to the flange by bolts.

[0007] Based on the above technical features, not only can the rigidity of the first fixing frame connected to the inspection manhole be met, but also the bolt connection between the ear plate and the flange also makes it easy to disassemble and install the first fixing frame on the inspection manhole.

[0008] Preferably in the present technical solution, two upright posts are provided, and the two upright posts are respectively fixedly connected to two ends of the second fixing frame; more preferably, the first fixing frame and the second fixing frame are both in the same horizontal plane.

[0009] Based on the above technical features, the guide frame connected to the first fixed frame and the second fixed frame can be made parallel to the maintenance platform to avoid the guide frame from being tilted relative to the maintenance platform, which will eventually cause the lifting mechanism and the lifted lining plate to slip relative to the guide frame due to gravity and cause the risk of accidents.

[0010] Preferably in the present technical solution, the walking mechanism includes two groups of pulley trolleys and plane bearings, wherein the two groups of pulley trolleys are respectively slidably connected to the first fixed frame and the second fixed frame or slidably connected to the guide frame, the two groups of pulley trolleys can be connected to each other through the plane bearings, and the two groups of pulley trolleys can rotate relative to each other along the axial direction of the plane bearings, and at the same time, the two groups of pulley trolleys connected to each other constitute a walking mechanism, and the walking mechanism composed of them can slide in the first direction or slide in the second direction relative to the first fixed frame, the second fixed frame and the guide frame.

[0011] Based on the above technical features, the guide frame is connected to the first fixed frame and the second fixed frame through the walking mechanism in the above technical solution, so that the guide frame can move forward, backward, left and right along the first direction and the second direction relative to the first fixed frame and the second fixed frame. At the same time, the guide frame can also be tilted and swung left and right in the horizontal direction relative to the first fixed frame and the second fixed frame, so as to more quickly and accurately position the lifting mechanism above the position where the liner needs to be replaced in the weighing tank.

[0012] In the present technical solution, preferably, the first fixing frame, the second fixing frame, the guide frame and the column are all I-beam frames.

[0013] Based on the above technical features, the use of low-cost I-beam frames not only meets the stability requirements of the supporting equipment during use but also effectively reduces the cost investment.

[0014] Preferably in the present technical solution, the pulley trolley includes multiple groups of pulleys and a pulley base, the pulley base consists of a bottom plate and two oppositely arranged side plates fixed to the bottom plate, the bottom plates of the two groups of pulley trolleys facing away from the side plates are butt-jointed with each other, and the two ends of the plane bearing are respectively hinged on the two butt-jointed bottom plates, the pulley trolley can be clamped on the I-beam frame through multiple groups of pulleys, wherein one group of pulleys includes two one-to-one corresponding pulleys, and the corresponding two pulleys are respectively connected to the two side plates by bolts, and the two pulleys correspondingly connected to the two side plates can slide along the axial direction of the I-beam frame.

[0015] Preferably in the present technical solution, one end of the two groups of the walking mechanisms are slidably connected to the top of the guide frame, and the other ends of the two groups of the walking mechanisms are slidably connected to the bottom of the first fixed frame and the second fixed frame respectively.

[0016] Preferably in the present technical solution, the lifting mechanism is an electric hoist; more preferably, the electric hoist can be controlled by a remote control switch to move the electric hoist along the axial direction of the guide frame or to lift the lining plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the use structure of a weighing tank liner quick replacement device in an embodiment of the utility model;

[0018] Figure 2 This is a structural schematic diagram of a device for quickly replacing a liner of a weighing tank in an embodiment of the utility model;

[0019] Figure 3 It is a structural schematic diagram of a walking mechanism in a device for quickly replacing a liner of a weighing tank in an embodiment of the utility model;

[0020] Figure 4It is a three-dimensional exploded diagram of a walking mechanism in a device for quickly replacing a liner of a weighing tank in an embodiment of the utility model.

[0021] In the figure: 1. weighing tank; 2. lining plate; 3. inspection manhole; 4. inspection platform; 5. lifting mechanism; 6. first fixed frame; 7. guide frame; 8. pulley trolley; 8a. pulley base; 8b. pulley; 9. second fixed frame; 10. column; 11. ear plate; 12. walking mechanism; 13. baffle; 14. plane bearing. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0024] In addition, it should be understood that for the convenience of description, the sizes of various components shown in the drawings are not drawn according to the actual proportional relationship.

[0025] It should be noted that like reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined or described in one drawing, it will not need to be further discussed and described in detail in the description of the subsequent drawings.

[0026] like Figures 1 to 4 As shown, the utility model provides a technical solution: a device for quickly replacing the lining of a weighing tank, which can be used to install the replacement device above the maintenance platform 4, including a fixing frame, a guide frame 7 and a lifting mechanism 5, wherein the fixing frame includes a first fixing frame 6 and a second fixing frame 9, the first fixing frame 6 is fixedly connected to the maintenance manhole 3 of the weighing tank 1, and the second fixing frame 9 is fixedly connected to the maintenance platform 4 through a column 10, and at the same time, the first fixing frame 6 and the second fixing frame 9 are arranged along a first direction, and the first fixing frame 6 and the second fixing frame 9 are both extended along a second direction, the first direction is perpendicular to the second direction, and the first direction and the second direction are both parallel to the maintenance platform 4.

[0027] Two sets of walking mechanisms 12 are arranged at the top of the guide frame 7, and the guide frame 7 can be connected to the first fixed frame 6 and the second fixed frame 9 respectively through the two sets of walking mechanisms 12. After the connection, the guide frame 7 can move forward, backward, left and right relative to the first fixed frame 6 and the second fixed frame 9 along the first direction or along the second direction through the walking mechanism 12. At the same time, the guide frame 7 can also tilt and swing left and right in the horizontal direction relative to the first fixed frame 6 and the second fixed frame 9 through the walking mechanism 12. In the actual lifting process, in order to better accurately position, the guide frame 7 often performs three actions of left and right, front and back movement, and left and right tilt and swing at the same time. Therefore, the guide frame 7 can move forward and backward and move left and right through the walking mechanism 12 performs any movement in the horizontal direction relative to the first fixed frame 6 and the second fixed frame 9, so that the lifting mechanism 12 connected to the guide frame 7 can be positioned in an all-round manner of 360° to the position where the lining 2 of the weighing tank 1 needs to be replaced, thereby realizing the rapid replacement of the lining 2 in the weighing tank 1. When the lining 2 needs to be replaced, the operator standing on the maintenance platform 4 can manually push one end of the guide frame 7 along the maintenance manhole 3 into the weighing tank 1, and manually push the guide frame 7 again until the lifting mechanism 12 on the guide frame 7 is positioned to the position where the lining needs to be replaced. At the same time, the design height of the guide frame 7 can be designed according to the height size of the maintenance manhole 3.

[0028] The lifting mechanism 5 is disposed on the guide frame 7 , and the lifting mechanism 5 can move along the axial direction of the guide frame 7 .

[0029] Furthermore, if Figure 1 and Figure 2 As shown, ear plates 11 are fixedly connected to both ends of the first fixing frame 6, and a flange matching the ear plates 11 is fixedly connected to the inspection manhole 3. The ear plates 11 can be fixed to the flange by bolts to facilitate the disassembly and installation of the first fixing frame 6 on the inspection manhole 3; specifically, in the embodiment of the utility model, the opening of the inspection manhole 3 is inclined, so the ear plates 11 are also inclinedly set at both ends of the first fixing frame 6 to make the ear plates 11 compatible with the flange set at the inspection manhole 3.

[0030] Furthermore, if Figure 1 and Figure 2 As shown, in an embodiment of the utility model, two columns 10 are provided, and the two columns 10 are respectively fixed at the two ends of the second fixing frame 9 to form a micro gantry hanger. In other embodiments of the utility model, in order to improve the stability of the replacement device when the liner is lifted and used, four columns 10 can be provided, wherein two columns 10 are fixedly connected to one end of the second fixing frame 9 at an angle along a first direction, and the other two columns 10 are fixedly connected to the other end of the second fixing frame 9 at an angle along the first direction. In addition, in order to facilitate the rapid disassembly and installation of the replacement device, the columns 10 can be fixedly connected to the maintenance platform 4 by bolt connection.

[0031] Furthermore, the first fixing frame 6 and the second fixing frame 9 are both in the same horizontal plane, which is parallel to the plane where the maintenance platform 4 is located, so as to avoid the guide frame 7 connected to the first fixing frame 6 and the second fixing frame 9 from tilting, causing the lifting mechanism 5 to slide down due to gravity when lifting the liner 2, causing an accident.

[0032] Furthermore, if Figure 3 As shown, the walking mechanism 12 includes two groups of pulley trolleys 8 and plane bearings 14, wherein the two groups of pulley trolleys 8 are respectively slidably connected to the first fixed frame 6 and the second fixed frame 9 or slidably connected to the guide frame 7. After the two groups of pulley trolleys 8 are connected back to back, the two groups of pulley trolleys 8 can be connected to each other through the plane bearings 14, and the two groups of pulley trolleys 8 can rotate relative to each other along the axial direction of the plane bearings 14. The two groups of pulley trolleys 8 connected to each other constitute the walking mechanism 12, and the walking mechanism 12 composed of the two groups of pulley trolleys 8 can slide in the first direction or in the second direction relative to the first fixed frame 6, the second fixed frame 9 and the guide frame 7.

[0033] Furthermore, the first fixed frame 6, the second fixed frame 9, the guide frame 7 and the column 10 are all I-beam frames. In the embodiment of the utility model, the I-beam frame can select an I-beam with a specification of 20a. At the same time, both ends of the first fixed frame 6 and the second fixed frame 9 are provided with limited position blocking to prevent the walking mechanism 12 from sliding out of the first fixed frame 6 and the second fixed frame 9. Both ends of the guide frame 7 are provided with mechanical baffles 13 to prevent the walking mechanism 12 and the lifting mechanism 5 from sliding out of the guide frame 7.

[0034] Furthermore, if Figure 3 and Figure 4 As shown, the pulley trolley 8 includes a pulley base 8a and multiple groups (≥2) of pulleys 8b, wherein the pulley base 8a is composed of a bottom plate and two oppositely arranged side plates fixed to the bottom plate, the bottom plates of the two groups of pulley trolleys 8 opposite to the side plates are butted against each other, and the two ends of the plane bearing 14 are respectively hinged on the two butted bottom plates, the pulley trolley 8 can be clamped on the I-beam frame through multiple groups of pulleys 8b, wherein one group of pulleys 8b includes two one-to-one corresponding pulleys 8b, and the corresponding two pulleys 8b are respectively connected to the two side plates by bolts, and the two pulleys 8b correspondingly connected to the two side plates can slide along the axial direction of the I-beam frame, in the embodiment of the utility model, the pulley trolley 8 includes two groups of pulleys 8b, and four pulleys 8b and a pulley base 8a together constitute the pulley trolley 8.

[0035] Furthermore, if Figure 2 As shown, one end of the two sets of walking mechanisms 12 are slidably connected to the top of the guide frame 7, and the other ends of the two sets of walking mechanisms 12 are slidably connected to the bottom of the first fixed frame 6 and the second fixed frame 9 respectively.

[0036] Furthermore, the lifting mechanism 5 is an electric hoist, which can be controlled by a remote control switch to control the electric hoist to move along the axis direction of the guide frame 7 in the horizontal direction, and to control the electric hoist to lift the lining plate 2 in the vertical direction.

[0037] In addition, the installation and use method of the weighing tank liner quick replacement device of the utility model includes the following steps:

[0038] 1) Installation of the weighing tank liner quick replacement device:

[0039] 1.1) Assemble the weighing tank liner quick replacement device;

[0040] 1.2) The assembled weighing tank liner quick replacement device is placed on the maintenance platform 4 by the furnace top crane, and the operator on the maintenance platform 4 fixes the first fixing frame 6 on the maintenance manhole 3 and fixes the two columns 10 on the maintenance platform 4;

[0041] 1.3) Open the inspection manhole 3 on the weighing tank 1, and the operator on the inspection platform 4 pushes the guide frame 7, and one end of the guide frame 7 with the electric hoist 5 installed passes through the inspection manhole 3 and extends into the weighing tank 1;

[0042] 2) How to use the weighing tank liner quick replacement device:

[0043] 2.1) The operator on the maintenance platform 4 manually pushes the guide frame 7 until the electric hoist 5 installed on the guide frame 7 is located above the position where the lining plate 2 needs to be replaced, and operates the remote control switch to move the electric hoist 5 along the axial direction of the guide frame 7, and then adjusts the electric hoist 5 to be directly above the position where the lining plate 2 needs to be replaced;

[0044] 2.2) Operate the remote control switch to lower the lifting rope in the electric hoist 5, and the operator in the weighing tank 1 removes the old lining plate 2 to be replaced and ties it to the lifting rope;

[0045] 2.3) Operate the remote control switch to lift the old lining board 2 and control the electric hoist 5 to move along the axis direction of the guide frame 7 to the top of the maintenance platform 4, and the operator on the maintenance platform 4 removes the bundled old lining board 2;

[0046] 2.4) The operator on the maintenance platform 4 ties the new lining 2 to be replaced to the lifting rope, operates the remote control switch to lift the new lining 2 and controls the electric hoist 5 to move along the axial direction of the guide frame 7. The operator on the maintenance platform 4 manually pushes the guide frame 7 until the electric hoist and the new lining 2 are located above the position where the lining 2 needs to be replaced in the weighing tank 1, operates the remote control switch to move the electric hoist 5 along the axial direction of the guide frame 7, and then adjusts the electric hoist 5 to be directly above the position where the lining 2 needs to be replaced;

[0047] 2.5) Operate the remote control switch to lower the lifting rope and the new lining plate 2, and the operator in the weighing tank 1 removes the new lining plate 2 and installs it in the weighing tank;

[0048] 2.6) Repeat steps 2.1, 2.2, 2.3, 2.4 and 2.5 to finally complete the replacement of the required liner 2 in the weighing tank 1.

[0049] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0050] 1. The structure is compact, easy to make, the manufacturing cost is low and does not require a large amount of cost investment. At the same time, the installation and disassembly process is simple and quick.

[0051] 2. The guide frame can make any movement relative to the fixed frame in the horizontal plane, so that the lifting mechanism connected to the guide frame can be positioned 360° in all directions to the position where the lining of the weighing tank needs to be replaced, thereby realizing the rapid replacement of the lining of the weighing tank.

[0052] 3. It greatly reduces the input of operators and the labor intensity of operators, and also reduces the risk of suffocation and poisoning of operators during liner replacement.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for quickly replacing the liner of a weighing tank, characterized in that: include: A fixed frame, the fixed frame comprising a first fixed frame (6) and a second fixed frame (9), the first fixed frame (6) being fixedly connected to an inspection manhole (3) of a weighing tank (1), the second fixed frame (9) being fixedly connected to an inspection platform (4) via a column (10), the first fixed frame (6) and the second fixed frame (9) being arranged along a first direction, and the first fixed frame (6) and the second fixed frame (9) both extending along a second direction, the first direction being perpendicular to the second direction, and the first direction and the second direction both being parallel to the inspection platform (4); A guide frame (7), wherein two sets of walking mechanisms (12) are arranged on the guide frame (7), and the guide frame (7) is respectively connected to the first fixed frame (6) or the second fixed frame (9) through the two sets of walking mechanisms (12). The guide frame (7) can move relative to the first fixed frame (6) and the second fixed frame (9) along the first direction or along the second direction through the walking mechanism (12), and when the liner (2) needs to be replaced, one end of the guide frame (7) extends into the weighing tank (1) along the inspection manhole (3); A lifting mechanism (5), wherein the lifting mechanism (5) is arranged on the guide frame (7), and the lifting mechanism (5) can move along the axial direction of the guide frame (7).

2. A weighing tank liner quick replacement device according to claim 1, characterized in that: Both ends of the first fixing frame (6) are fixedly connected with ear plates (11), and a flange matching the ear plates (11) is fixedly connected to the inspection manhole (3), and the ear plates (11) can be fixedly connected to the flange by bolts.

3. A weighing tank liner quick replacement device according to claim 1, characterized in that: Two upright posts (10) are provided, and the two upright posts (10) are respectively fixedly connected to two ends of the second fixing frame (9).

4. A weighing tank liner quick replacement device according to claim 1, characterized in that: The first fixing frame (6) and the second fixing frame (9) are both located in the same horizontal plane.

5. The device for quickly replacing the liner of a weighing tank according to claim 1, characterized in that: The walking mechanism (12) comprises: Two groups of pulley trolleys (8), the two groups of pulley trolleys (8) are respectively slidably connected to the first fixed frame (6) and the second fixed frame (9) or slidably connected to the guide frame (7); The two groups of pulley trolleys (8) can be connected to each other through the plane bearing (14), and the two groups of pulley trolleys (8) can rotate relative to each other along the axis direction of the plane bearing (14). At the same time, the two groups of pulley trolleys (8) connected to each other form a walking mechanism (12), and the walking mechanism (12) formed by the two groups of pulley trolleys can slide along the first direction or along the second direction relative to the first fixed frame (6), the second fixed frame (9) and the guide frame (7).

6. A weighing tank liner quick replacement device according to claim 5, characterized in that: The first fixing frame (6), the second fixing frame (9), the guide frame (7) and the column (10) are all I-beam frames.

7. A weighing tank liner quick replacement device according to claim 6, characterized in that: The pulley trolley (8) comprises: A pulley base (8a), the pulley base (8a) is composed of a bottom plate and two oppositely arranged side plates fixed to the bottom plate, the bottom plates of the two groups of pulley trolleys (8) facing away from the side plates are butted against each other, and the two ends of the plane bearing (14) are respectively hinged on the two butted bottom plates; A plurality of pulley groups (8b), wherein the pulley trolley (8) can be clamped on the I-beam frame through the plurality of pulley groups (8b), wherein one pulley group (8b) includes two one-to-one corresponding pulleys (8b), and the corresponding two pulleys (8b) are respectively connected to the two side plates by bolts, and the two pulleys (8b) correspondingly connected to the two side plates can slide along the axial direction of the I-beam frame.

8. A weighing tank liner quick replacement device according to claim 1, characterized in that: One end of the two sets of walking mechanisms (12) are slidably connected to the top of the guide frame (7), and the other ends of the two sets of walking mechanisms (12) are slidably connected to the bottom of the first fixed frame (6) and the second fixed frame (9), respectively.

9. A weighing tank liner quick replacement device according to claim 1, characterized in that: The lifting mechanism (5) is an electric hoist.

10. A weighing tank liner quick replacement device according to claim 9, characterized in that: The electric hoist can be controlled by a remote control switch so that the electric hoist moves along the axial direction of the guide frame (7) or the electric hoist lifts the lining plate (2).

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