Lifting appliance for replacing lining plate of material receiving tank of blast furnace

Abstract

The utility model discloses a lifting appliance for replacing a lining plate of a material receiving tank of a blast furnace. The lifting appliance comprises a suspended platform, a portal frame, a guide frame, a winch, an L-shaped bracket, a supporting rod and a clamp, the portal frame is fixed above the suspended platform, the guide frame is arranged below a horizontal rod of the portal frame and is in sliding connection with the horizontal rod of the portal frame, the lower portion of the guide frame is in sliding connection with the winch, and the free end of a steel rope of the winch is fixedly connected with a clamp used for clamping a lining plate; the L-shaped support is arranged above a horizontal rod of the portal frame, the horizontal rod of the L-shaped support is connected with a first moving trolley in a sliding mode, the first moving trolley is connected with the supporting rod through a first connecting rope, extending blocks are fixedly arranged at the two ends of the supporting rod respectively, and pin columns used for being connected with bolt holes of a blast furnace receiving tank in an inserted mode are inserted into the extending blocks. The supporting rod is slidably connected with the guide frame. The lifting appliance disclosed by the utility model is reasonable in structural design, capable of effectively fixing the lining plate, good in stability during operation, convenient to operate and capable of improving the operation efficiency of replacing the lining plate.

Description

Technical Field

[0001] The utility model relates to the technical field of slings, in particular to a sling for replacing a lining plate of a blast furnace receiving tank. Background Art

[0002] The blast furnace receiving tank is the first important equipment for the raw materials required for blast furnace smelting to be transported into the blast furnace body through a belt conveyor. It is a steel structure tank. The blast furnace receiving tank is set directly below the four-way distributor, and the four discharge ports of the four-way distributor, each of which faces the lining plate on one side of the blast furnace receiving tank. The lining plate will wear out after long-term use, so it needs to be replaced regularly.

[0003] Currently, liner replacement is usually done by manually moving it into the tank. This operation is not only inefficient but also poses a great safety risk.

[0004] Therefore, it is of great practical significance to develop a device that can effectively assist in replacing the liner. Utility Model Content

[0005] Since the prior art has the above-mentioned defects, the utility model provides a device that can effectively assist in the replacement of lining plates, thereby overcoming the defects of the current lining plate replacement operation being low in efficiency and having potential safety hazards.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A lifting device for replacing a lining plate of a blast furnace receiving tank comprises a suspended platform, a gantry, a guide frame, a winch, an L-shaped bracket, a support rod and a clamp;

[0008] The gantry is fixed above the suspended platform, the guide frame is arranged below the horizontal rod of the gantry and the guide frame is slidably connected to the horizontal rod of the gantry, the guide frame is slidably connected to the winch below, and the free end of the steel rope of the winch is fixedly connected to the clamp for clamping the liner;

[0009] The L-shaped bracket is arranged above the horizontal rod of the gantry and includes a vertically arranged L-shaped bracket vertical rod and a horizontally arranged L-shaped bracket horizontal rod. The L-shaped bracket vertical rod is fixedly connected to the horizontal rod of the gantry, the L-shaped bracket horizontal rod is parallel to the guide frame and the L-shaped bracket horizontal rod is located directly above the guide frame, the L-shaped bracket horizontal rod is slidably connected to the first moving vehicle, the first moving vehicle is connected to the support rod by a first connecting rope, and extension blocks are fixedly provided at both ends of the support rod, and pins for connecting with bolt holes of blast furnace receiving tanks are inserted in the extension blocks, and the support rod is slidably connected to the guide frame at the same time.

[0010] The utility model discloses a lifting device for replacing the lining of a blast furnace receiving tank, and the structure is reasonable in design. The guide frame can be guided by the gantry, L-shaped bracket and support rod, and the support rod is limited on the door of the blast furnace receiving tank, so as to further limit the guide frame and support the guide frame, so that the utility model is more stable in use. At the same time, the inner side of the lining can be clamped by the coordinated use of two first clamping plates and two second clamping plates, so that the lining can be conveniently installed in the blast furnace receiving tank, and the operation is convenient, which can greatly improve the working efficiency of the lining replacement and has good application prospects.

[0011] As the preferred technical solution:

[0012] A hoist for replacing the lining of a blast furnace receiving tank as described above, the clamp includes two first clamps and two second clamps, the two first clamps are located between the two second clamps, two guide rods are provided between the two second clamps, the first clamp is slidably sleeved on the two guide rods, a same bidirectional screw is threadedly provided between the two first clamps, both ends of the bidirectional screw respectively pass through the corresponding second clamps, one end of the two guide rods is provided with a lifting ring, the two lifting rings are provided with a same balancing pull ring, and the other end of the balancing pull ring is fixedly connected to one end of a steel rope on a winch.

[0013] In the above-mentioned lifting device for replacing the lining of a blast furnace receiving tank, rubber pads are provided on the inner sides of the first clamping plate and the second clamping plate.

[0014] As described above, a hanger for replacing the lining of a blast furnace receiving tank, the outer wall thread sleeve of the guide rod is provided with two nut rings, the outer wall sleeve of the guide rod is provided with two rotating rings, the rotating ring passes through one side of the second clamping plate, and the nut ring is fixed at one end of the rotating ring. By rotating the nut ring, the nut ring can be driven to move on the guide rod, and the second clamping plate can be driven to move by the rotating ring, so that it can be used on liners of different sizes, thereby improving its scope of use.

[0015] In the above-mentioned lifting device for replacing the lining of a blast furnace receiving tank, the gantry is welded and fixed to the suspended platform.

[0016] In the lifting device for replacing the lining of a blast furnace receiving tank as described above, the guide frame, the gantry horizontal rod and the support rod are all I-shaped steels.

[0017] As described above, a lifting device for replacing the lining of a blast furnace receiving tank is provided on the top of the guide frame with two second moving vehicles slidably connected to the guide frame, one second moving vehicle is slidably connected to the horizontal rod of the gantry, and the other second moving vehicle is slidably connected to the support rod.

[0018] A lifting tool for replacing the lining plate of the charging hopper of a blast furnace as described above, wherein the second moving vehicle includes two U-shaped plates, the connecting plates of the two U-shaped plates are in close contact with each other, and the grooving directions of the two U-shaped plates are perpendicular, and at least a pair of pulley groups are arranged between the U-shaped plates.

[0019] A lifting tool for replacing the lining plate of the charging hopper of a blast furnace as described above, wherein a third moving vehicle slidably connected to the guiding frame is provided at the bottom of the guiding frame, and the third moving vehicle is fixedly connected to a winch.

[0020] A lifting tool for replacing the lining plate of the charging hopper of a blast furnace as described above, wherein a guiding rope for supporting the electric wire is fixedly provided at the bottom of the guiding frame, the guiding rope is located inside the third moving vehicle, and limiting blocks for the combined use of the second moving vehicle and the third moving vehicle are fixedly provided on the inner sides of both ends of the guiding frame.

[0021] The above technical solutions are only a feasible technical solution of the present utility model, and the protection scope of the present utility model is not limited thereto. Those skilled in the art can reasonably adjust the specific design according to actual needs.

[0022] The above-mentioned utility model has the following advantages or beneficial effects:

[0023] (1) The lifting tool for replacing the lining plate of the charging hopper of the present utility model has a reasonable structural design, and the guiding frame can be guided through the gantry, L-shaped bracket and support rod;

[0024] (2) The lifting tool for replacing the lining plate of the charging hopper of the present utility model can support one side of the guiding frame through the setting of the support rod, so that it is more stable after stretching out, will not shake, and improves the stability during the installation process;

[0025] (3) The lifting tool for replacing the lining plate of the charging hopper of the present utility model can clamp the inner side of the lining plate through the combined use of the first clamping plate and the second clamping plate, so that the lifting tool will not conflict with the inner wall of the charging hopper of the blast furnace during the installation process, making it convenient to install bolts;

[0026] (4) The lifting tool for replacing the lining plate of the charging hopper of the present utility model is easy to operate, can greatly improve the operation efficiency of lining plate replacement, and has a good application prospect. Description of the Drawings

[0027] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, the present utility model and its features, shape and advantages will become more obvious. The same reference numerals indicate the same parts in all the drawings. The drawings are not drawn to scale, and the emphasis is on showing the gist of the present utility model.

[0028] Figure 1 It is a schematic diagram of the operation of the lifting tool for replacing the lining plate of the charging hopper of the present utility model;

[0029] Figure 2 It is a three-dimensional structural schematic diagram of a lifting device for replacing the lining plate of a blast furnace receiving tank according to the utility model;

[0030] Figure 3 is a structural schematic diagram of the guide frame;

[0031] Figure 4 is a schematic diagram of the structure of the fixture;

[0032] Among them, 1. blast furnace receiving tank; 2. support frame; 3. winch; 4. clamp; 41. first clamp; 42. second clamp; 43. rotating ring; 44. nut ring; 45. bidirectional screw; 46. guide rod; 47. lifting ring; 48. balance pull ring; 5. suspended platform; 6. gantry; 7. L-shaped bracket; 8. first moving vehicle; 9. first connecting rope; 10. support rod; 11. second moving vehicle; 12. guide frame; 13. third moving vehicle; 14. pin column; 15. extension block; 16. guide rope; 17. limit block; 18. blast furnace receiving tank lining. DETAILED DESCRIPTION

[0033] The structure of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments, but is not intended to limit the present invention.

[0034] Example 1

[0035] A lifting device for replacing the lining of a blast furnace receiving tank, such as Figures 1 to 4 As shown, it includes: a blast furnace receiving tank 1, a suspended platform 5 arranged on one side of the blast furnace receiving tank 1, a gantry 6 is welded and fixed on the top of the suspended platform 5, a guide frame 12 is arranged below the horizontal rod of the gantry and the guide frame 12 is slidably connected to the horizontal rod of the gantry, the guide frame 12 is slidably connected to the winch 3 below, the free end of the steel rope of the winch 3 is fixedly connected to the clamp 4 for clamping the inner side of the lining plate 18 of the blast furnace receiving tank, and the lining plate 18 of the blast furnace receiving tank can be driven to move into the blast furnace receiving tank 1 when used in conjunction with the support frame 2;

[0036] By clamping the clamp 4 on the lining plate 18 of the blast furnace receiving tank and starting the hoist 3, the lining plate can be driven to move upward to make it vertical, and by pushing the guide frame 12 and the hoist 3, the lining plate 18 of the blast furnace receiving tank can be driven to move into the blast furnace receiving tank 1 for installation, and at the same time, the guide frame 12 can be supported by the clamping mechanism to make it more stable during the movement;

[0037] The L-shaped bracket 7 is arranged above the horizontal rod of the gantry and includes a vertically arranged L-shaped bracket vertical rod and a horizontally arranged L-shaped bracket horizontal rod. The L-shaped bracket vertical rod is welded to the horizontal rod of the gantry. The L-shaped bracket horizontal rod is parallel to the guide frame 12 and the L-shaped bracket horizontal rod is located directly above the guide frame 12. The L-shaped bracket horizontal rod is slidably connected to the first moving vehicle 8, and the first moving vehicle 8 is connected to the support rod 10 through a first connecting rope 9. Extension blocks 15 are fixed at both ends of the support rod 10, and pins 14 for plugging into the bolt holes of the blast furnace receiving tank are inserted in the extension blocks 15 (the pins 14 are inserted into the bolt holes through the extension blocks 15, so that the support rod 10 can be adjusted. The support rod 10 is positioned in the position, and the support rod 10 will not shake during use, further improving the stability during use). The support rod 10 is slidably connected to the guide frame 12 at the same time. Two second moving vehicles 11 are slidably provided on the top of the guide frame 12, one of which is slidably connected to the gantry 6, and the other second moving vehicle 11 is slidably provided with a support rod 10 on the top. The support rod 10 can be supported by the setting of the L-shaped bracket 7 and the first connecting rope 9, and the extended guide frame 12 can be supported by the support rod 10, which can effectively prevent the guide frame 12 from being deformed due to the heavy liner during use, and can ensure the stability during use;

[0038] The clamp 4 includes two first clamping plates 41 and two second clamping plates 42. The two first clamping plates 41 are located between the two second clamping plates 42. Two guide rods 46 are provided between the two second clamping plates 42. The first clamping plate 41 is slidably sleeved on the two guide rods 46. A same bidirectional screw 45 is threadedly provided between the two first clamping plates 41. Both ends of the bidirectional screw 45 respectively pass through the corresponding second clamping plates 42. One end of each of the two guide rods 46 is provided with a lifting ring 47. The two lifting rings 47 are provided with the same A balancing pull ring 48, the other end of which is fixedly connected to one end of a steel rope on the winch 3, and the first clamping plate 41 can be positioned on the inner side of the lining by setting the two second clamping plates 42, and the two first clamping plates 41 can be driven to move relative to each other by rotating the bidirectional screw 45, and the blast furnace receiving tank lining 18 can be clamped during the movement, making it convenient to clamp, and rubber pads are provided on the inner sides of the first clamping plate 41 and the second clamping plate 42 to increase the friction with the blast furnace receiving tank lining 18.

[0039] A third moving car 13 is slidably provided at the bottom of the guide frame 12, and the winch 3 is fixedly provided at the bottom of the third moving car 13. A guide rope 16 for supporting the electric wires is fixedly provided at the bottom of the guide frame 12, and the guide rope 16 is located in the third moving car 13. The inner sides of both ends of the guide frame 12 are fixedly provided with limit blocks 17 for cooperating with the second moving car 11 and the third moving car 13. The setting of the third moving car 13 can facilitate the movement of the winch 3 on the guide frame 12, and during the movement, the guide rope 16 can be used to support the electric wires, and the electric wires can be driven to move conveniently. During use, there is no need to manually drag the electric wires, and the setting of the limit block 17 can limit the second moving car 11 and the third moving car 13, which can prevent the second moving car 11 and the third moving car 13 from detaching from the guide frame 12.

[0040] The outer wall of the guide rod 46 is threadedly sleeved with two nut rings 44, and the outer wall of the guide rod 46 is sleeved with two rotating rings 43. The rotating ring 43 penetrates and is rotatably arranged on one side of the second clamping plate 42. The nut ring 44 is fixed at one end of the rotating ring 43. The nut ring 44 can be driven to move on the guide rod 46 by rotating the nut ring 44, and the second clamping plate 42 can be driven to move by the rotating ring 43, so that it can be used on lining plates of different sizes, thereby improving its scope of use.

[0041] It has been verified that the utility model of the hanger for replacing the lining of the blast furnace receiving tank has a reasonable structural design, and the guide frame can be guided by the gantry, L-shaped bracket and support rod; the setting of the support rod can support one side of the guide frame, so that it is more stable after being extended, and will not shake, thereby improving the stability during the installation process; through the coordinated use of the first clamping plate and the second clamping plate, the inner side of the lining can be clamped, so that the hanger will not conflict with the inner wall of the blast furnace receiving tank during the installation process, making it convenient to install the bolts; it is easy to operate, can greatly improve the operating efficiency of lining replacement, and has good application prospects.

[0042] Those skilled in the art should understand that those skilled in the art can implement variations by combining the prior art and the above embodiments, which will not be described in detail here. Such variations do not affect the essential content of the present utility model, and will not be described in detail here.

[0043] The above describes the preferred embodiments of the utility model. It should be understood that the utility model is not limited to the above-mentioned specific implementation methods, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can use the above-disclosed methods and technical contents to make many possible changes and modifications to the technical solutions of the utility model without departing from the scope of the technical solution of the utility model, or modify them into equivalent embodiments of equivalent changes, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of protection of the technical solution of the utility model.

Claims

1. A lifting device for replacing the lining plate of a blast furnace receiving tank, characterized in that: It includes a suspended platform, a gantry, a guiding frame, a winch, an L-shaped bracket, a support rod and a clamp; The gantry is fixed above the suspended platform. The guiding frame is arranged below the horizontal bar of the gantry and is slidably connected to the horizontal bar of the gantry. The lower part of the guiding frame is slidably connected to the winch. The free end of the steel rope of the winch is fixedly connected to the clamp for clamping the lining plate; The L-shaped bracket is arranged above the horizontal bar of the gantry and includes a vertically arranged L-shaped bracket vertical rod and a horizontally arranged L-shaped bracket horizontal rod. The L-shaped bracket vertical rod is fixedly connected to the horizontal bar of the gantry. The L-shaped bracket horizontal rod is parallel to the guiding frame and is located directly above the guiding frame. A first moving vehicle is slidably connected to the L-shaped bracket horizontal rod. The first moving vehicle is connected to the support rod through a first connecting rope. Extension blocks are fixedly provided at both ends of the support rod. A pin column for inserting into the bolt hole of the blast furnace receiving hopper is inserted into the extension block. The support rod is also slidably connected to the guiding frame.

2. A lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 1, characterized in that: The clamp includes two first clamping plates and two second clamping plates. The two first clamping plates are located between the two second clamping plates. Two guiding rods penetrate through between the two second clamping plates. The first clamping plates are slidably sleeved on the two guiding rods. The same bidirectional screw rod penetrates through between the two first clamping plates. The two ends of the bidirectional screw rod respectively penetrate through the corresponding second clamping plates. Rings are provided at one ends of the two guiding rods. The same balance pulling ring is provided on the two rings. The other end of the balance pulling ring is fixedly connected to one end of the steel rope on the winch.

3. A lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 2, characterized in that: Rubber pads are provided on the inner sides of the first clamping plates and the second clamping plates.

4. A lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 2, characterized in that: Two nut rings are threadedly sleeved on the outer wall of the guiding rod. Two rotating rings are sleeved on the outer wall of the guiding rod. The rotating rings penetrate through and are rotatably provided on one side of the second clamping plate. The nut rings are fixedly provided at one ends of the rotating rings.

5. The lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 1, characterized in that: The gantry is fixedly welded to the suspended platform.

6. A lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 1, characterized in that: The guiding frame, the horizontal bar of the gantry and the support rod are all I-shaped steels.

7. A lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 6, characterized in that: Two second moving vehicles slidably connected to the guiding frame are provided at the top of the guiding frame. One second moving vehicle is slidably connected to the horizontal bar of the gantry, and the other second moving vehicle is slidably connected to the support rod.

8. A lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 7, characterized in that: The second moving vehicle includes two C-shaped plates. The connecting plates of the two C-shaped plates are closely attached to each other and the grooving directions of the two C-shaped plates are perpendicular. At least one pair of pulley groups are provided between the C-shaped plates.

9. A lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 7, characterized in that: One third moving vehicle slidably connected to the guiding frame is provided at the bottom of the guiding frame. The third moving vehicle is fixedly connected to the winch.

10. A lifting device for replacing the lining plate of a blast furnace receiving tank according to claim 9, characterized in that: A guiding rope for supporting the electric wire is fixedly provided at the bottom of the guiding frame. The guiding rope is located inside the third moving vehicle. Limit blocks for the coordinated use of the second moving vehicle and the third moving vehicle are fixedly provided on the inner sides of both ends of the guiding frame.

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