Molten steel transfer crane assembly with heat insulation protection function

Abstract

The utility model discloses a molten steel transfer crane assembly with a heat insulation protection function, relates to the technical field of crane assemblies, and aims to solve the problems that in the prior art, a hydraulic cylinder of an existing crane assembly is lack of a heat insulation protection structure, aging and damage of a sealing piece in the hydraulic cylinder can be accelerated in the working process of transferring molten steel and high-temperature liquid for a long time, and the service life of the hydraulic cylinder is prolonged. And leakage or failure of the hydraulic cylinder is caused, so that the overall stability and safety of the crane are influenced. A mounting arm is arranged above the base, a suspension arm is rotatably mounted above one side of the mounting arm, a lifting hook is arranged on one side of the lower portion of the suspension arm, a hydraulic mechanism is arranged on one side of the mounting arm and comprises a hydraulic cylinder, a cylinder sleeve and a telescopic sleeve, the cylinder sleeve is fixedly mounted on the outer side of a cylinder body of the hydraulic cylinder, and the telescopic sleeve is fixedly mounted on the outer side of the cylinder body of the hydraulic cylinder. The telescopic sleeve is arranged on the outer side of a rod body of the hydraulic cylinder and fixedly connected with the cylinder sleeve, a heat insulation sleeve is fixedly installed on the outer side of the cylinder sleeve, and a heat insulation film is installed on the inner wall of the telescopic sleeve in an adhesive mode.

Description

Technical Field

[0001] The utility model relates to the technical field of crane assemblies, in particular to a molten steel transfer crane assembly with heat insulation protection. Background Technique

[0002] The crane assembly consists of a base, a slewing mechanism, a turntable, a boom, a hydraulic system, an electric control system, etc. It is a kind of lifting and handling machinery widely used in ports, workshops, power plants, construction sites and other places. At present, during the production process of molten steel, a crane is needed to transfer the container with molten steel.

[0003] For example, the authorized patent with the publication number CN207877151U (an electric overhead traveling hydraulic crane): includes a movable box and a bottom plate. A support rod is fixedly installed at the bottom of the inner wall of the movable box. The top of the support rod penetrates through the movable box and extends to the outside of the movable box. An electric push rod is movably installed at the bottom of the inner wall of the movable box and on the right side of the support rod through a central axis. The top of the electric push rod penetrates through the movable box and extends to the outside of the movable box. The top on the right side of the support rod is movably connected to a horizontal rod through a central axis.

[0004] Although the above-mentioned prior art can use the second hook to connect the bottom of the component to lift when there is an obstacle at the top of the component through the cooperation of the fixed box and the suspension plate, the internal hydraulic structure does not have heat insulation ability. Therefore, the hydraulic cylinder of the existing crane assembly lacks a heat insulation protection structure. During the long-term operation of transferring high-temperature molten steel liquid, it will accelerate the aging and damage of the internal seals of the hydraulic cylinder, resulting in leakage or failure of the hydraulic cylinder, affecting the overall stability and safety of the crane. Therefore, there is an urgent need in the market to develop a molten steel transfer crane assembly with heat insulation protection to help people solve the existing problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a molten steel transfer crane assembly with heat insulation protection, so as to solve the problem that the hydraulic cylinder of the existing crane assembly lacks a heat insulation protection structure. During the long-term operation of transferring high-temperature molten steel liquid, it will accelerate the aging and damage of the internal seals of the hydraulic cylinder, resulting in leakage or failure of the hydraulic cylinder, affecting the overall stability and safety of the crane as mentioned in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A molten steel transfer crane assembly with heat insulation protection, including a base, above which there is an installation arm. Above one side of the installation arm, there is a boom rotatably installed. On one side below the boom, there is a hook. On one side of the installation arm, there is a hydraulic mechanism, which includes a hydraulic cylinder, a cylinder sleeve, and a telescopic sleeve. The cylinder sleeve is fixedly installed on the outer side of the cylinder body of the hydraulic cylinder. The telescopic sleeve is arranged on the outer side of the rod body of the hydraulic cylinder and is fixedly connected to the cylinder sleeve. An insulation sleeve is fixedly installed on the outer side of the cylinder sleeve, and an insulation film is adhesively installed on the inner wall of the telescopic sleeve.

[0007] Preferably, an installation column is fixedly installed above the rod body of the hydraulic cylinder. Above the installation column, there is a first rotating rod fixedly installed, and the first rotating rod is rotatably connected to the boom. Below the cylinder body of the hydraulic cylinder, there is an installation seat fixedly installed. Below the installation seat, there is a second rotating rod fixedly installed, and the second rotating rod is rotatably connected to the installation arm.

[0008] Preferably, on both sides inside the cylinder sleeve, there are column cavities symmetrically arranged respectively. Inside the column cavity, there is a straight column, and one end of the straight column extends to the outside of the cylinder sleeve and is fixedly connected to the installation column.

[0009] Preferably, the base includes a cylinder, a top plate, and a bottom plate. The top plate is fixedly installed above the cylinder, and the bottom plate is fixedly installed below the cylinder. Between the top plate and the bottom plate, along the outer side of the cylinder, there are a plurality of side plates fixedly installed, and the plurality of side plates are arranged at intervals.

[0010] Preferably, above the top plate, there is a table plate, which is fixedly connected to the installation arm. On the outside below the table plate, there is a first ring sleeve fixedly installed. Inside the first ring sleeve, there is a second ring sleeve, and the second ring sleeve is fixedly connected to the top plate. The inner side surface of the first ring sleeve is in close contact with the outer side surface of the second ring sleeve.

[0011] Preferably, inside the cylinder, there is a partition fixedly installed. Above the partition, there is a driving gear. On one side of the driving gear, there is a driven gear meshed. Above the driven gear, there is an output shaft fixedly installed, and the upper end of the output shaft penetrates through the top plate and is fixedly connected to the table plate.

[0012] Preferably, below the partition, there is a motor fixedly installed, and the output end of the motor is fixedly connected to the driving gear.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] The utility model can significantly improve the heat insulation performance of the hydraulic cylinder by setting a heat insulation sleeve made of silica cloth material and a heat insulation film made of polyimide material in the hydraulic mechanism. Under the combined action of the heat insulation sleeve and the heat insulation film, the transfer of high-temperature heat to the inside of the hydraulic cylinder is effectively blocked, the aging speed of the seal is slowed down, the service life of the hydraulic cylinder is extended, thereby significantly reducing the failure rate of the crane caused by the leakage or failure of the hydraulic cylinder, improving the overall stability and safety of the crane, and ensuring the efficient and safe progress of the molten steel transfer operation.

[0015] In the utility model, straight columns are arranged in the column cavities on both sides inside the cylinder sleeve, and one end of each straight column extends to the outside of the cylinder sleeve and is fixedly connected to the mounting column. The arrangement of the column cavity and the straight column enhances the connection strength between the cylinder sleeve and the mounting column, enables the hydraulic cylinder to remain stable when bearing a large load, improves the load-bearing capacity and service life of the hydraulic cylinder, and also helps to reduce the failures caused by vibration and impact.

[0016] In the utility model, a first ring sleeve is arranged below the platen, and a second ring sleeve fixedly connected to the top plate is arranged inside the first ring sleeve. The inner side surface of the first ring sleeve is in fitting contact with the outer side surface of the second ring sleeve, enhancing the stability between the top plate and the mounting arm, improving the overall stability and durability of the crane, and being beneficial for the crane to remain stable when bearing a large load. Description of the Drawings

[0017] Figure 1 The front view of a molten steel transfer crane assembly with heat insulation protection according to the utility model;

[0018] Figure 2 The sectional view of the hydraulic mechanism of the utility model;

[0019] Figure 3 The enlarged schematic view of part A of the utility model;

[0020] Figure 4 The sectional schematic view of the base of the utility model.

[0021] In the figure: 1. Base; 101. Cylinder; 102. Top plate; 103. Bottom plate; 2. Mounting arm; 3. Boom; 4. Hook; 5. Hydraulic mechanism; 501. Hydraulic cylinder; 502. Cylinder sleeve; 5021. Column cavity; 503. Telescopic sleeve; 6. Mounting column; 7. First rotating rod; 8. Mounting seat; 9. Second rotating rod; 10. Straight column; 11. Side plate; 12. Partition plate; 13. Motor; 14. Driving gear; 15. Driven gear; 16. Output shaft; 17. Platen; 18. First ring sleeve; 19. Second ring sleeve. Detailed Description of the Invention

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a molten steel transfer crane assembly with heat insulation protection, including a base 1, an installation arm 2 is arranged above the base 1, a boom 3 is rotatably installed above one side of the installation arm 2, a hook 4 is arranged on one side below the boom 3, a hydraulic mechanism 5 is arranged on one side of the installation arm 2, and the hydraulic mechanism 5 includes a hydraulic cylinder 501, a cylinder sleeve 502 and a telescopic sleeve 503. The cylinder sleeve 502 is fixedly installed on the outer side of the cylinder body of the hydraulic cylinder 501. The telescopic sleeve 503 is arranged on the outer side of the rod body of the hydraulic cylinder 501 and is fixedly connected to the cylinder sleeve 502. A heat insulation sleeve is fixedly installed on the outer side of the cylinder sleeve 502. The heat insulation sleeve is made of silica gel cloth material. A heat insulation film is adhesively installed on the inner wall of the telescopic sleeve 503. The heat insulation film is made of polyimide material.

[0024] During use, through the arranged telescopic sleeve 503, the rod body of the hydraulic cylinder 501 can be protected from dust, and by setting the heat insulation sleeve made of silica gel cloth material and the heat insulation film made of polyimide material, the heat insulation performance of the hydraulic cylinder 501 can be significantly improved. Under the combined action of the heat insulation sleeve and the heat insulation film, the transfer of high-temperature heat into the interior of the hydraulic cylinder 501 is effectively blocked, the aging speed of the sealing parts is slowed down, the service life of the hydraulic cylinder 501 is extended, thereby significantly reducing the failure rate of the crane caused by the leakage or failure of the hydraulic cylinder 501, improving the overall stability and safety of the crane, and ensuring the efficient and safe progress of the molten steel transfer operation.

[0025] Furthermore, an installation column 6 is fixedly installed above the rod body of the hydraulic cylinder 501. The upper end of the telescopic sleeve 503 is fixedly connected to the installation column 6. A first rotating rod 7 is fixedly installed above the installation column 6. The first rotating rod 7 is rotatably connected to the boom 3. A mounting seat 8 is fixedly installed below the cylinder body of the hydraulic cylinder 501. A second rotating rod 9 is fixedly installed below the mounting seat 8. The second rotating rod 9 is rotatably connected to the installation arm 2. Through the settings of the installation column 6, the first rotating rod 7, the mounting seat 8 and the second rotating rod 9, the stable connection and flexible rotation between the hydraulic cylinder 501 and the boom 3 and the installation arm 2 are realized, which not only improves the overall stability and safety of the crane, but also enables the boom 3 to flexibly adjust the angle and position according to needs, thereby improving the efficiency and flexibility of the molten steel transfer operation.

[0026] Furthermore, column cavities 5021 are symmetrically arranged on both sides inside the cylinder liner 502. A straight column 10 is arranged inside the column cavity 5021. One end of the straight column 10 extends to the outside of the cylinder liner 502 and is fixedly connected to the mounting column 6. The arrangement of the column cavity 5021 and the straight column 10 enhances the connection strength between the cylinder liner 502 and the mounting column 6, enabling the hydraulic cylinder 501 to remain stable when bearing a large load, improving the load-bearing capacity and service life of the hydraulic cylinder, and also helping to reduce failures caused by vibration and impact.

[0027] Furthermore, the base 1 includes a cylinder 101, a top plate 102, and a bottom plate 103. The top plate 102 is fixedly installed above the cylinder 101, and the bottom plate 103 is fixedly installed below the cylinder 101. A plurality of side plates 11 are fixedly installed along the outer side of the cylinder 101 between the top plate 102 and the bottom plate 103. The plurality of side plates 11 are arranged at intervals. The cylinder 101, the top plate 102, the bottom plate 103, and the side plates 11 of the base 1 together constitute a strong and stable support structure, improving the stability of the crane.

[0028] Furthermore, a table plate 17 is arranged above the top plate 102. The table plate 17 is fixedly connected to the mounting arm 2. A first collar 18 is fixedly installed on the outer side below the table plate 17. A second collar 19 is arranged inside the first collar 18. The second collar 19 is fixedly connected to the top plate 102. The inner side surface of the first collar 18 is in close contact with the outer side surface of the second collar 19. The arrangement of the table plate 17, the first collar 18, and the second collar 19 enhances the stability between the top plate 102 and the mounting arm 2, improving the overall stability and durability of the crane and facilitating the crane to remain stable when bearing a large load.

[0029] Furthermore, a partition plate 12 is fixedly installed inside the cylinder 101. A driving gear 14 is arranged above the partition plate 12. A driven gear 15 is meshed and connected to one side of the driving gear 14. An output shaft 16 is fixedly installed above the driven gear 15. The upper end of the output shaft 16 penetrates through the top plate 102 and is fixedly connected to the table plate 17. Through the arrangement of the partition plate 12, the driving gear 14, the driven gear 15, and the output shaft 16, the transmission and driving functions of the crane are realized, improving the transmission efficiency and stability of the crane.

[0030] Furthermore, a motor 13 is fixedly installed below the partition plate 12. The output end of the motor 13 is fixedly connected to the driving gear 14. The motor 13 serves as the power source of the crane, and through the fixed connection of the output end to the driving gear 14, the driving and control of the crane are realized.

[0031] Working principle: During use, the crane assembly drives the rotation of the driving gear 14 through the motor 13, drives the rotation of the driven gear 15 and the output shaft 16 above it, and further drives the rotation of the platen 17 and the mounting arm 2 fixed thereto. The boom 3 can be driven to rotate by the hydraulic cylinder 501, which facilitates the transfer work of the container with molten steel. The telescopic movement of the hydraulic cylinder 501 is protected from dust by the telescopic sleeve 503. At the same time, the silica cloth heat insulation sleeve on the outer side of the cylinder sleeve 502 and the polyimide heat insulation film on the inner wall of the telescopic sleeve 503 jointly block the transfer of high-temperature heat to the inside of the hydraulic cylinder, protect the seals, and extend the service life.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be construed as limiting the claimed rights.

Claims

1. A molten steel transfer crane assembly with heat insulation protection, including a base (1), characterized in that: Above the base (1), there is an installation arm (2). Above one side of the installation arm (2), a lifting arm (3) is rotatably installed. Below one side of the lifting arm (3), there is a hook (4). On one side of the installation arm (2), there is a hydraulic mechanism (5). The hydraulic mechanism (5) includes a hydraulic cylinder (501), a cylinder sleeve (502), and a telescopic sleeve (503). The cylinder sleeve (502) is fixedly installed on the outer side of the cylinder body of the hydraulic cylinder (501). The telescopic sleeve (503) is arranged on the outer side of the rod body of the hydraulic cylinder (501) and is fixedly connected to the cylinder sleeve (502). An insulating sleeve is fixedly installed on the outer side of the cylinder sleeve (502), and an insulating film is adhesively installed on the inner wall of the telescopic sleeve (503).

2. The assembly of a molten steel transfer crane with heat insulation protection according to claim 1, characterized in that: Above the rod body of the hydraulic cylinder (501), there is a mounting column (6) fixedly installed. Above the mounting column (6), there is a first rotating rod (7) fixedly installed. The first rotating rod (7) is rotatably connected to the lifting arm (3). Below the cylinder body of the hydraulic cylinder (501), there is a mounting seat (8) fixedly installed. Below the mounting seat (8), there is a second rotating rod (9) fixedly installed. The second rotating rod (9) is rotatably connected to the installation arm (2).

3. The assembly of a molten steel transfer crane with heat insulation protection according to claim 2, characterized in that: On both sides inside the cylinder sleeve (502), there are column cavities (5021) symmetrically arranged respectively. Inside the column cavity (5021), there is a straight column (10). One end of the straight column (10) extends to the outside of the cylinder sleeve (502) and is fixedly connected to the mounting column (6).

4. A molten steel transfer crane assembly with heat insulation protection according to claim 1, characterized in that: The base (1) includes a cylinder (101), a top plate (102), and a bottom plate (103). The top plate (102) is fixedly installed above the cylinder (101). The bottom plate (103) is fixedly installed below the cylinder (101). Between the top plate (102) and the bottom plate (103), along the outer side of the cylinder (101), there are multiple side plates (11) fixedly installed. The multiple side plates (11) are arranged at intervals.

5. The assembly of a molten steel transfer crane with heat insulation protection according to claim 4, characterized in that: Above the top plate (102), there is a table plate (17). The table plate (17) is fixedly connected to the installation arm (2). Outside the lower part of the table plate (17), there is a first ring sleeve (18) fixedly installed. Inside the first ring sleeve (18), there is a second ring sleeve (19). The second ring sleeve (19) is fixedly connected to the top plate (102). The inner side surface of the first ring sleeve (18) is in fitting contact with the outer side surface of the second ring sleeve (19).

6. The assembly of a molten steel transfer crane with heat insulation protection according to claim 5, characterized in that: Inside the cylinder (101), there is a partition plate (12) fixedly installed. Above the partition plate (12), there is a driving gear (14). On one side of the driving gear (14), there is a driven gear (15) meshed. Above the driven gear (15), there is an output shaft (16) fixedly installed. The upper end of the output shaft (16) penetrates through the top plate (102) and is fixedly connected to the table plate (17).

7. The assembly of a molten steel transfer crane with heat insulation protection according to claim 6, characterized in that: Below the partition plate (12), there is a motor (13) fixedly installed. The output end of the motor (13) is fixedly connected to the driving gear (14).

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