Converter tilting frequency converter replacing device

Abstract

The utility model relates to the field of frequency converter auxiliary equipment, and particularly discloses a converter tilting frequency converter replacing device which comprises a frequency conversion cabinet, and the top of the frequency conversion cabinet is open. The bracket is mounted at the top of the frequency conversion cabinet; one end of the hoisting machinery lifting appliance is fixed at the top of the support, the other end of the hoisting machinery lifting appliance is connected with the converter tilting frequency converter in the frequency conversion cabinet through a lifting rope, and the hoisting machinery lifting appliance is used for lengthening or shortening the lifting rope to enable the converter tilting frequency converter to move in the frequency conversion cabinet. According to the converter tilting frequency converter replacing device, the converter tilting frequency converter does not need to be replaced in a manual moving mode, the time consumption in the converter tilting frequency converter replacing process is reduced, the replacing efficiency is improved, meanwhile, the operation safety is improved, and the occurrence rate of injury accidents in the replacing process is reduced.

Description

Technical Field

[0001] The utility model relates to the field of auxiliary equipment for frequency converters, in particular to a converter tilting frequency converter replacement device. Background Art

[0002] The converter tilting frequency converter is a power controller that controls the speed and torque of the converter tilting equipment by adjusting the power frequency of the motor, so as to achieve smooth and precise tilting of the converter. In the steelmaking field, the converter tilting frequency converters used are very large in volume and weight. For example, the weight of a conventional converter tilting frequency converter is about 250 kg. The capacity of the frequency conversion cabinet is limited and busbars are generally installed at the upper position inside the frequency conversion cabinet. Therefore, the moving range of the converter tilting frequency converter inside the frequency conversion cabinet is restricted, resulting in a narrow movable range of the converter tilting frequency converter. In this case, a forklift and a circuit breaker trolley cannot be used to directly replace the converter tilting frequency converter inside the frequency conversion cabinet.

[0003] In the prior art, when replacing the converter tilting frequency converter inside the frequency conversion cabinet, since a forklift and a circuit breaker trolley cannot be used to directly replace the converter tilting frequency converter inside the frequency conversion cabinet, the replacement is generally carried out by manual handling. Due to the large weight and volume of the converter tilting frequency converter, the replacement process of the converter tilting frequency converter is very time-consuming, resulting in low replacement efficiency. At the same time, the manual replacement process is not safe and is prone to causing injury accidents.

[0004] Based on this, the prior art still needs to be improved. Summary of the Utility Model

[0005] One of the technical problems to be solved by the utility model is to avoid the problem of time-consuming and low-efficiency replacement process caused by using manual handling to replace the converter tilting frequency converter inside the frequency conversion cabinet.

[0006] To solve the above technical problems, some embodiments of the utility model disclose a converter tilting frequency converter replacement device, which includes:

[0007] A frequency conversion cabinet, the top of the frequency conversion cabinet is open and is set to accommodate the converter tilting frequency converter;

[0008] A bracket, the bracket is installed on the top of the frequency conversion cabinet;

[0009] A hoisting machinery sling, one end of the hoisting machinery sling is fixed to the top of the bracket, and the other end is connected to the converter tilting frequency converter inside the frequency conversion cabinet through a lifting rope. The hoisting machinery sling is used to lengthen or shorten the lifting rope to move the converter tilting frequency converter inside the frequency conversion cabinet.

[0010] In some embodiments, the hoisting machinery sling is a chain block sling.

[0011] In some embodiments, one end of the lifting appliance of the crane is fixed to the top of the bracket through a first hook, and the other end is hung with a hoisting rope through a second hook and connected to the converter tilting frequency converter in the frequency conversion cabinet through the hoisting rope.

[0012] In some embodiments, the hoisting rope is connected to the fixing point of the converter tilting frequency converter through a first bolt.

[0013] In some embodiments, the fixing points of the converter tilting frequency converter are symmetrical in the position of the converter tilting frequency converter.

[0014] In some embodiments, the bracket is a square bracket, and the cross-sectional dimensions of the square bracket are respectively adapted to the cross-sectional dimensions of the converter tilting frequency converter and the cross-sectional dimensions of the frequency conversion cabinet.

[0015] In some embodiments, the square bracket includes four columns, and the four columns are installed at the four corner positions of the top plane of the frequency conversion cabinet through second bolts.

[0016] In some embodiments, the cross-sectional dimension of the converter tilting frequency converter is 740 mm 2 , and the cross-sectional dimension of the frequency conversion cabinet is 800 mm 2 , and the cross-sectional dimension of the square bracket is 750 mm 2 .

[0017] In some embodiments, the height of the square bracket is respectively adapted to the height of the converter tilting frequency converter and the height of the frequency conversion cabinet.

[0018] In some embodiments, the height of the converter tilting frequency converter is 1000 mm, the height of the frequency conversion cabinet is 1800 mm, and the height of the square bracket is 900 mm.

[0019] Adopting the above technical solutions, the utility model has at least the following beneficial effects:

[0020] The utility model provides a converter tilting frequency converter replacement device, which adopts a frequency conversion cabinet with an open top, installs a bracket on the top of the frequency conversion cabinet, fixes a lifting appliance of a crane through the bracket, one end of the lifting appliance of the crane is fixed to the top of the bracket, and the other end is connected to the converter tilting frequency converter in the frequency conversion cabinet through a hoisting rope. When the lifting appliance of the crane lengthens or shortens the hoisting rope, the converter tilting frequency converter is moved in the frequency conversion cabinet to realize moving the converter tilting frequency converter to a suitable position for replacement. Avoid using the manual moving method to replace the converter tilting frequency converter, reduce the time-consuming amount in the process of replacing the converter tilting frequency converter, improve the replacement efficiency, at the same time, improve the operation safety and reduce the incidence rate of injury accidents in the replacement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 The front view of a converter tilting frequency converter replacement device disclosed in some embodiments of the present invention.

[0023] Explanation of reference numerals in the drawings:

[0024] 1. Frequency conversion cabinet; 2. Bracket; 3. Lifting machinery sling; 4. Lifting rope; 5. Converter tilting frequency converter; 6. First hook; 7. Second hook; 8. First bolt; 9. Second bolt; 10. Fixing point; 11. Busbar; 100. Converter tilting frequency converter replacement device. Specific embodiments

[0025] The following will further describe the embodiments of the present disclosure in detail in conjunction with the drawings and embodiments. The detailed description and drawings of the following embodiments are used to exemplarily illustrate the principles of the present disclosure, but cannot be used to limit the scope of the present disclosure. The present disclosure can be implemented in many different forms, not limited to the specific embodiments disclosed herein, but including all technical solutions falling within the scope of the claims.

[0026] These embodiments are provided by the present disclosure to make the present disclosure thorough and complete, and to fully express the scope of the present disclosure to those skilled in the art. It should be noted that: unless otherwise specifically stated, the relative arrangements of components and steps, the components of materials, numerical expressions and values described in these embodiments should be interpreted as merely exemplary, rather than as limitations.

[0027] It should be noted that in the description of the present disclosure, unless otherwise specified, "a plurality" means greater than or equal to two; the orientation or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present disclosure. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0028] In addition, the "first", "second" and similar terms used in this disclosure do not denote any order, quantity or importance, but are merely used to distinguish different parts. "Vertical" does not mean strictly vertical, but within the allowable error range. "Parallel" does not mean strictly parallel, but within the allowable error range. Words such as "including" or "comprising" mean that the elements before this word cover the elements listed after this word, and do not exclude the possibility of also covering other elements.

[0029] It should also be noted that in the description of this disclosure, unless otherwise clearly specified and limited, the terms "installed", "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances. When it is described that a specific device is located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0030] All terms used in this disclosure have the same meanings as understood by those of ordinary skill in the art to which this disclosure pertains, unless otherwise specifically defined. It should also be understood that terms defined in a general dictionary, such as, should be interpreted as having meanings consistent with their meanings in the context of the relevant art, and should not be interpreted in an idealized or overly formal sense, unless specifically defined as such here.

[0031] Technologies, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods and devices should be regarded as part of the specification.

[0032] As Figure 1 shown, Figure 1The front view of the converter tilting frequency converter replacement device disclosed in some embodiments of the present utility model. The converter tilting frequency converter replacement device 100 includes a frequency conversion cabinet 1 with an open top. Among them, the frequency conversion cabinet 1 is configured to accommodate a converter tilting frequency converter, a bracket 2 installed on the top of the frequency conversion cabinet 1, and a hoisting machinery sling 3. One end of the hoisting machinery sling 3 is fixed to the top of the bracket 2, and the other end of the hoisting machinery sling 3 is connected to the converter tilting frequency converter 5 in the frequency conversion cabinet 1 through a lifting rope 4. The hoisting machinery sling 3 is used to lengthen or shorten the lifting rope 4 to move the converter tilting frequency converter 5 in the frequency conversion cabinet 1. By lengthening or shortening the lifting rope 4 through the hoisting machinery sling 3, the converter tilting frequency converter 5 can move towards the bottom of the frequency conversion cabinet 4 or towards the top of the frequency conversion cabinet 1 in the frequency conversion cabinet 1, so that the converter tilting frequency converter 5 can be moved to a suitable position in the frequency conversion cabinet 1 for replacement. Through the converter tilting frequency converter replacement device 100 of the present utility model, the method of manually moving the converter tilting frequency converter 5 is avoided, the time-consuming amount in the replacement process of the converter tilting frequency converter 5 is reduced, the replacement efficiency is improved, and at the same time, the operation safety is improved, and the incidence rate of injury accidents in the replacement process is reduced.

[0033] According to several embodiments of the present utility model, please continue to refer to Figure 1 , the hoisting machinery sling 3 is a manual hoist sling. In a specific example, one end of the manual hoist sling is fixed to the top of the bracket 2 through a first hook 6, and the other end of the manual hoist sling is hung with the lifting rope 4 through a second hook 7. The manual hoist sling is connected to the converter tilting frequency converter 5 in the frequency conversion cabinet 1 through the lifting rope 4, so as to move the converter tilting frequency converter 5 towards the bottom of the frequency conversion cabinet 4 or towards the top of the frequency conversion cabinet 1 in the frequency conversion cabinet 1 by lengthening or shortening the lifting rope 4.

[0034] According to several embodiments of the present utility model, please continue to refer to Figure 1 , the lifting rope 4 is connected to the fixing point 10 of the converter tilting frequency converter 5 through a first bolt 8. The lifting rope 4 is detachably connected to the converter tilting frequency converter 5 through the first bolt 8. The connection between the lifting rope 4 and the converter tilting frequency converter 5 is detachable, which ensures the smooth progress of the entire replacement process of the converter tilting frequency converter 5. Since a bus bar 11 is generally installed on the top of the frequency conversion cabinet 1, therefore, the bracket 2 and the hoisting machinery sling 3 installed in the bracket cooperate with the lifting rope 4 hung on the mechanical sling 3. When the hoisting machinery sling 3 moves inside the bracket 2 and inside the frequency conversion cabinet 1, the maximum movable range can be obtained for the converter tilting frequency converter 5 in the frequency conversion cabinet 1 to ensure that the converter tilting frequency converter 5 can be moved to a suitable position in the frequency conversion cabinet 1 for replacement.

[0035] According to several embodiments of the present utility model, please continue to refer to Figure 1, the fixed points 10 of the converter tilting frequency converter 5 are symmetrically located relative to the position of the converter tilting frequency converter 5. There can be multiple fixed points 10, and the fixed points 10 are symmetrically located relative to the position of the converter tilting frequency converter 5, ensuring that the converter tilting frequency converter 5 remains balanced and stable when moving within the frequency conversion cabinet 1.

[0036] According to several embodiments of the present invention, please continue to refer to Figure 1 , the support 2 is a square support 2, and the cross-sectional dimensions of the square support 2 are respectively adapted to the cross-sectional dimensions of the converter tilting frequency converter 5 and the frequency conversion cabinet 1. The cross-sectional dimensions of the square support 2 are adapted to the cross-sectional dimensions of the converter tilting frequency converter 5. The square support 2 provides a supporting function for the hoisting machinery sling 3, which is beneficial for the hoisting machinery sling 3 to move up and down stably inside the square support 2 and the frequency conversion cabinet 1, so as to ensure the smooth up and down movement of the converter tilting frequency converter 5 within the frequency conversion cabinet 1. In a specific example, the square support 2 includes four columns, and the four columns are installed at the four corner positions of the top plane of the frequency conversion cabinet 1 through the second bolts 9. As a preferred embodiment, the square support 2 is installed at the four corner positions of the top plane of the frequency conversion cabinet 1, so that the frequency conversion cabinet 1 provides the maximum supporting function for the square support 2, and further increases the stability of the support 2 on the frequency conversion cabinet 1.

[0037] According to several embodiments of the present invention, the cross-sectional dimension of the converter tilting frequency converter 5 is 740 mm 2 , the cross-sectional dimension of the frequency conversion cabinet 1 is 800 mm 2 , the cross-sectional dimension of the square support 2 is 750 mm 2 . In this specific embodiment, the cross-sectional dimension of the frequency conversion cabinet 1 is the largest, the cross-sectional dimension of the converter tilting frequency converter 5 is the smallest, and the cross-sectional dimensions of the square support 2 are respectively adapted to the cross-sectional dimensions of the frequency conversion cabinet 1 and the converter tilting frequency converter 5.

[0038] According to several embodiments of the present invention, please continue to refer to Figure 1 , the height of the square support 2 is respectively adapted to the height of the converter tilting frequency converter 5 and the height of the frequency conversion cabinet 1. The height of the frequency conversion cabinet 1 is the largest, the height of the square support 2 is the smallest, and the height of the square support 2 is not much different from the height of the converter tilting frequency converter 5. In this way, when the hoisting machinery sling 3 moves up and down inside the support 2, the converter tilting frequency converter 5 can be moved as close as possible to the top or bottom of the frequency conversion cabinet 1, increasing the movable range of the converter tilting frequency converter 5 within the frequency conversion cabinet 1, which is beneficial for adjusting the converter tilting frequency converter 5 to a suitable position for replacement.

[0039] According to several embodiments of the present utility model, the height of the converter tilting frequency converter 5 is 1000 mm, the height of the frequency conversion cabinet 1 is 1800 mm, and the height of the square bracket 2 is 900 mm. In this specific embodiment, the height of the frequency conversion cabinet 1 is the largest, the height of the square bracket 2 is the smallest, and the height difference between the square bracket 2 and the converter tilting frequency converter 5 is not significant, so as to ensure that the height of the square bracket 2 is adapted to the height of the converter tilting frequency converter 5 and the height of the frequency conversion cabinet 1 respectively.

[0040] The above embodiments have described in detail the converter tilting frequency converter replacement device 100 of the present utility model. A frequency conversion cabinet 1 with an open top is adopted, and a bracket 2 is installed on the top of the frequency conversion cabinet 1. A hoisting machinery sling 3 is fixed through the bracket 2. One end of the hoisting machinery sling 3 is fixed to the top of the bracket 2, and the other end is connected to the converter tilting frequency converter 5 in the frequency conversion cabinet 1 through a hoisting rope 4. When the hoisting machinery sling 3 lengthens or shortens the hoisting rope 4, the converter tilting frequency converter 5 is moved in the frequency conversion cabinet 1 to realize the replacement of the converter tilting frequency converter 5 after it is moved to a suitable position. Avoiding the use of manual moving methods to replace the converter tilting frequency converter 5 reduces the time consumption during the replacement process of the converter tilting frequency converter 5, improves the replacement efficiency, and at the same time, improves the operation safety and reduces the incidence of injury accidents during the replacement process.

[0041] So far, the embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details well known in the art have not been described. Those skilled in the art can clearly understand how to implement the technical solutions disclosed here based on the above description.

[0042] Although some specific embodiments of the present disclosure have been described in detail by way of examples, those skilled in the art should understand that the above examples are only for the purpose of illustration and not for limiting the scope of the present disclosure. Those skilled in the art should understand that the above embodiments can be modified or some technical features can be equivalently replaced without departing from the scope and spirit of the present disclosure. In particular, as long as there is no structural conflict, the various technical features mentioned in each embodiment can be combined in any way.

Claims

1. A converter tilting inverter replacement device, characterized in that: include: A frequency conversion cabinet, the top of which is open and is configured to accommodate a converter tilting frequency converter; A bracket, the bracket is installed on the top of the frequency conversion cabinet; A lifting machinery sling, one end of which is fixed to the top of the bracket, and the other end is connected to the converter tilting inverter in the frequency conversion cabinet through a lifting rope. The lifting machinery sling is used to lengthen or shorten the lifting rope to move the converter tilting inverter in the frequency conversion cabinet.

2. The converter tilting frequency converter replacement device according to claim 1, characterized in that: The lifting machinery sling is a hand chain hoist sling.

3. The converter tilting frequency converter replacement device according to claim 1, characterized in that: One end of the lifting machinery sling is fixed to the top of the bracket through a first hook, and the other end is mounted with a lifting rope through a second hook, and is connected to the converter tilting frequency converter in the frequency converter cabinet through the lifting rope.

4. The converter tilting inverter replacement device according to claim 1, characterized in that: The hoisting rope is connected to the fixing point of the converter tilting frequency converter through a first bolt.

5. The converter tilting frequency converter replacement device according to claim 4, characterized in that: The fixing point of the converter tilting frequency converter is symmetrical to the position of the converter tilting frequency converter.

6. The converter tilting frequency converter replacement device according to claim 1, characterized in that: The bracket is a square bracket, and the cross-sectional dimensions of the square bracket are respectively adapted to the cross-sectional dimensions of the converter tilting frequency converter and the cross-sectional dimensions of the frequency conversion cabinet.

7. The converter tilting frequency converter replacement device according to claim 6, characterized in that: The square bracket includes four pillars, and the four pillars are installed at four corner positions of the top plane of the frequency conversion cabinet through second bolts.

8. The converter tilting frequency converter replacement device according to claim 6, characterized in that: The cross-sectional dimension of the converter tilting frequency converter is 740 mm 2 The cross-sectional dimension of the frequency converter cabinet is 800 mm. 2 , the cross-sectional dimension of the square bracket is 750mm 2 .

9. The converter tilting frequency converter replacement device according to claim 8, characterized in that: The height of the square bracket is respectively adapted to the height of the converter tilting frequency converter and the height of the frequency conversion cabinet.

10. The converter tilting frequency converter replacement device according to claim 9, characterized in that: The height of the converter tilting frequency converter is 1000 mm, the height of the frequency conversion cabinet is 1800 mm, and the height of the square bracket is 900 mm.

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