Anti-toppling device for tap switch of transformer

Abstract

The utility model discloses an anti-toppling device for a transformer tap switch, which comprises a stabilizing piece for bearing the transformer tap switch and a locking assembly for vertically fixing the transformer tap switch in the stabilizing piece, and the locking assembly is detachably arranged on the stabilizing piece; the upper part of the stabilizing piece is provided with a containing groove for containing a transformer tap switch, and the lower part of the stabilizing piece is provided with a stabilizing part; the locking assembly comprises a lower locking piece used for being matched with a transformer tap switch positioning pin and an upper locking piece surrounding the periphery of a transformer tap switch. The contact area between the transformer tap switch and the ground is indirectly enlarged through the stabilizing piece, and unbalance caused by unbalance loading is avoided. Meanwhile, the overall gravity center of the transformer tap switch is lowered, and the anti-toppling capacity is improved. The transformer tap-changer is simple in structure and convenient to use, the transformer tap-changer is effectively prevented from toppling during overhauling and transferring, a certain protection effect on the transformer tap-changer is achieved, the safety of surrounding personnel is improved, and the life safety of overhauling personnel is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer tap switch overhauling technical field especially relates to a transformer tap switch anti -toppling device. BACKGROUND

[0002] When overhauling or transferring transformer tap switch, due to the irregularity of the appearance of transformer tap switch, the stability of transformer tap switch is poor, and the phenomenon of toppling and rolling is prone to occur. In the process of toppling, transformer tap switch is prone to damage, and life safety of surrounding personnel is prone to be caused. Among them, when maintaining, the machine oil in transformer tap switch leaks out, which is prone to pollute the surrounding working environment and increase labor intensity. SUMMARY

[0003] The utility model provides a transformer tap switch anti -toppling device.

[0004] The utility model discloses a kind of transformer tap switch anti -toppling devices, including: the stable piece of bearing transformer tap switch, and the locking assembly that transformer tap switch is vertically fixed in the stable piece, the locking assembly is detachably installed on the stable piece;Stable piece upper portion is provided with the loading groove of containing the transformer tap switch, and the stable part is provided in the lower portion of stable piece;The locking assembly includes lower locking piece for being cooperated with transformer tap switch positioning pin, and the upper locking piece around the transformer tap switch.

[0005] Further, the stable piece includes: bottom plate and frame, the frame is fixedly installed on the bottom plate, and the frame is formed around the loading groove.

[0006] Further, the stable part is the supporting leg installed on the bottom plate.

[0007] Further, lower locking piece and the loading groove between fixed or detachably installed with the high-rise pad in contact with the transformer tap switch.

[0008] Further, the lower locking piece includes: a plurality of locking sleeves and the connecting piece, the locking sleeve is detachably fixedly installed on the high-rise pad by connecting piece, the locking sleeve is provided with through hole for storing transformer tap switch positioning pin, and stable space is formed between a plurality of locking sleeves.

[0009] Further, the connecting piece includes: bolt fixedly installed on the high-rise pad, and the through hole of the locking sleeve is provided with screw hole connected with bolt screw thread;Or a plurality of insertion holes for accommodating locking sleeve are provided on the high-rise pad.

[0010] Further, the upper locking member comprises a plurality of supports and a plurality of blocking blocks, each of the supports is detachably mounted on the stabilizer, each of the blocking blocks is detachably or fixedly mounted on the corresponding support, and the plurality of blocking blocks surround the periphery of the transformer tap changer.

[0011] Further, the stabilizer is provided with an oil drain hole in communication with the accommodating groove, a plug is inserted into the oil drain hole, and a handle is mounted on the plug.

[0012] Further, the upper portion of the bottom plate is provided with an inclined surface inclined to the oil drain hole.

[0013] Further, a plurality of counterweights are detachably mounted on the stabilizer.

[0014] The utility model discloses the following beneficial effects:

[0015] The locking assembly is detachably mounted on the stabilizer, the upper portion of the stabilizer is provided with an accommodating groove for accommodating the transformer tap changer, the lower portion of the stabilizer is provided with a stabilizing portion, the locking assembly comprises a lower locking member for cooperating with the positioning pin of the transformer tap changer and an upper locking member surrounding the periphery of the transformer tap changer. The transformer tap changer is placed on the stabilizer. Then, the positioning pin of the transformer tap changer is cooperated with the lower locking member, the positioning pin of the transformer tap changer can be inserted into the lower locking member, or the positioning pin of the transformer tap changer is fixedly connected to the stabilizer through the lower locking member by cooperating the bolt with the nut, so that the transformer tap changer is located in the accommodating groove. Since the bottom of the stabilizer is a plane, the contact area between the transformer tap changer and the ground is indirectly enlarged through the stabilizer, so that the transformer tap changer can be stably and vertically placed in the accommodating groove, and the imbalance caused by the partial load is avoided. At the same time, the overall gravity center of the transformer tap changer is reduced, and the anti-toppling capacity is improved. During the maintenance and transportation, the toppling of the transformer tap changer is effectively avoided, the transformer tap changer is protected, the safety of the surrounding personnel is improved, and the life safety of the maintenance personnel is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and examples.

[0017] In the drawings:

[0018] Figure 1 is the structure diagram of the transformer tap changer anti-toppling device in some examples of the utility model.

[0019] Figure 2 is the structure schematic view of the lower locking piece in the utility model;

[0020] Figure 3 is the structure schematic view of the upper locking piece in the utility model;

[0021] Figure 4 is the cross section view of the connecting piece in the utility model;

[0022] Figure 5 is the structure schematic view of the stabilizing piece in the utility model.

[0023] Marking in the drawing

[0024] Stabilizing piece 1, containing groove 11, stabilizing part 12, bottom plate 13, frame 14, locking assembly 2, lower locking piece 21, locking sleeve 211, connecting piece 212, bolt 2121, threaded hole 2122, insertion hole 2123, through hole 213, stabilizing space 214, upper locking piece 22, support 221, blocking block 222, high-rise pad 23, oil drain hole 3, plug 4, handle 5, counterweight 6. Specific implementation

[0025] In order to have more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation of the utility model will be described in detail by referring to the drawings. In the following description, it should be understood that the directions or position relations of "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail" and the like are based on the directions or position relations shown in the drawings, are constructed and operated in a particular direction, and are only for the convenience of describing the technical scheme, and cannot be understood as indicating that the indicated device or element must have a particular direction, so it cannot be understood as a limitation of the utility model.

[0026] It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "setting" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above another element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In the following description, specific details are set forth in order to provide a thorough understanding of the embodiments of the present application, but the skilled in the art should understand that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits and methods are omitted so as not to obscure the description of the present application with unnecessary details.

[0028] Please refer to Figures 1 to 4 The transformer tap changer anti-toppling device in the first embodiment of the present application comprises: a stabilizing member 1 for bearing the transformer tap changer, and a locking assembly 2 for vertically fixing the transformer tap changer in the stabilizing member 1, the locking assembly 2 is detachably installed on the stabilizing member 1, the upper part of the stabilizing member 1 is provided with a bearing groove 11 for accommodating the transformer tap changer, and the lower part of the stabilizing member 1 is provided with a stabilizing part 12, the locking assembly 2 comprises a lower locking member 21 for cooperating with a positioning pin of the transformer tap changer, and an upper locking member 22 surrounding the transformer tap changer.

[0029] The locking assembly 2 is detachably mounted on the stabilizing piece 1, the upper part of the stabilizing piece 1 is provided with a containing groove 11 accommodating the transformer tap changer, and the lower part of the stabilizing piece 1 is provided with a stabilizing part 12. The locking assembly 2 comprises a lower locking part 21 for cooperating with the positioning pin of the transformer tap changer and an upper locking part 22 surrounding the transformer tap changer. The transformer tap changer is placed on the stabilizing piece 1. Then the positioning pin of the transformer tap changer is cooperated with the lower locking part 21, which can be inserted into the lower locking part 21 or fixedly connected to the stabilizing piece 1 through the lower locking part 21 by cooperating the positioning pin of the transformer tap changer with a bolt and a nut, so that the transformer tap changer is located in the containing groove 11. Since the bottom of the stabilizing piece 1 is flat, the contact area of the transformer tap changer with the ground is indirectly enlarged through the stabilizing piece 1, so that the transformer tap changer can be stably and vertically placed in the containing groove 11, avoiding imbalance caused by partial load. At the same time, the overall gravity center of the transformer tap changer is lowered, and the anti-toppling capacity is improved. During maintenance and transportation, the toppling of the transformer tap changer is effectively avoided, which protects the transformer tap changer to a certain extent and improves the safety of the surrounding personnel, thereby protecting the life safety of the maintenance personnel. The containing groove 11 can accommodate the machine oil leaked from the transformer tap changer during maintenance, which protects the surrounding environment to a certain extent and is convenient for centralized treatment in the later period. The transformer tap changer anti-toppling device can be cleaned and reused after maintenance or transportation, has a simple structure, is not easy to be damaged, and has low manufacturing cost.

[0030] Please refer to Figures 1 to 5 In some embodiments, the upper locking part 22 surrounding the transformer tap changer is mounted on the stabilizing piece 1. The upper locking part 22 can provide certain support to the upper part of the transformer tap changer, further prevent the transformer tap changer from toppling, relieve the pressure of the lower locking part 21, prolong the service life of the lower locking part 21, and further improve the safety.

[0031] Please refer to Figures 1 to 4 In some embodiments, the stabilizing piece 1 comprises a bottom plate 13 and a frame 14, the frame 14 is fixedly mounted on the bottom plate 13, and the frame 14 surrounds to form the containing groove 11.

[0032] The frame 14 is fixedly mounted on the bottom plate 13, and the frame 14 surrounds to form the containing groove 11. The containing groove 11 is formed by surrounding the frame 14, which is convenient for manufacturing and installation and reduces the manufacturing cost. The bottom plate 13 indirectly increases the contact area of the transformer tap changer with the ground, so that the transformer tap changer can be more stably placed in the containing groove 11, and the safety is further improved, thereby protecting the transformer tap changer.

[0033] Please refer to Figures 1 to 5In some embodiments, the stabilizing part 12 is a supporting leg installed on the bottom plate 13.

[0034] The present application is a supporting leg installed on the bottom plate 13 through the stabilizing part 12, wherein the supporting leg can be detachably installed at the bottom of the bottom plate 13 through bolts, and is preferably outwardly inclinedly installed below the transformer tap changer, which can effectively prevent the bottom plate 13 from being deformed, wherein the supporting leg can be suitable for more use environments, save the land occupation of the entire anti-toppling device, and can be provided with a telescopic locking structure, so that the transformer tap changer can be kept in a vertical state by adjusting the length of each supporting leg, thereby further expanding the applicable range.

[0035] The stabilizing part 12 can also be the bottom surface of the bottom plate 13, which can further increase the contact area between the bottom plate 13 and the ground, thereby improving the stability of the transformer tap changer in the accommodating groove 11, making the manufacturing process simpler and cheaper, and improving the safety.

[0036] Please refer to Figures 1 to 4 In some embodiments, a high-rise pad 23 in contact with the transformer tap changer is fixedly or detachably installed between the lower locking part 21 and the accommodating groove 11.

[0037] The present application is a high-rise pad 23 in contact with the transformer tap changer, which is fixedly or detachably installed between the lower locking part 21 and the accommodating groove 11. The high-rise pad 23 increases the distance between the transformer tap changer and the accommodating groove 11, so that the leaked engine oil of the transformer tap changer can enter the accommodating groove 11 through the high-rise pad 23. Since the high-rise pad 23 increases the distance between the transformer tap changer and the accommodating groove 11, the leaked engine oil will not continuously erode the transformer tap changer, thereby ensuring the cleanliness of the transformer tap changer and reducing the difficulty of cleaning in the later stage. The clean surface of the transformer tap changer facilitates the maintenance of the maintenance personnel, thereby further improving the maintenance efficiency. The high-rise pad 23 can be made of an elastic material, which can further protect the transformer tap changer from being damaged.

[0038] Please refer to Figures 1 to 4 In some embodiments, the lower locking part 21 comprises a plurality of locking sleeves 211 and connecting parts 212, the locking sleeves 211 are detachably fixedly installed on the high-rise pad 23 through the connecting parts 212, the locking sleeves 211 are provided with through holes 213 for storing transformer tap changer positioning pins, and the plurality of locking sleeves 211 form a stabilizing space 214 therebetween.

[0039] The locking sleeve 211 is detachably fixed and installed on the riser pad 23 by the connecting piece 212, the locking sleeve 211 is provided with a through hole 213 for storing the transformer tap changer positioning pin, a stable space 214 is formed between the plurality of locking sleeves 211, the plurality of locking sleeves 211 can be circumferentially distributed on the riser pad 23, and the number of locking sleeves 211 corresponds to the number of transformer tap changer positioning pins. The through hole 213 provided in the locking sleeve 211 facilitates the insertion of the transformer tap changer positioning pin, improves the efficiency of vertically fixing the transformer tap changer in the accommodating groove 11, and is convenient and labor-saving to operate. The stable space 214 formed between the plurality of locking sleeves 211 allows the transformer tap changer to be placed vertically in the stable space 214, so that the operating mechanism and the contact assembly of the transformer tap changer are automatically formed in a symmetrical distribution, avoiding unbalanced load imbalance, and further improving stability and safety.

[0040] Please refer to Figures 1 to 4 In some embodiments, the connecting piece 212 includes a bolt 2121 fixedly installed on the riser pad 23, and the through hole 213 of the locking sleeve 211 is provided with a threaded hole 2122 threadedly connected with the bolt 2121.

[0041] The bolt 2121 is fixedly installed on the riser pad 23, and the through hole 213 of the locking sleeve 211 is provided with a threaded hole 2122 threadedly connected with the bolt 2121. By fixing a plurality of bolts 2121 on the riser pad 23, the maintenance personnel can detachably install the locking sleeve 211 on the bolt 2121 by using the threaded hole 2122, which is convenient for cleaning and installation. The cooperation of the bolt 2121 and the threaded hole 2122 facilitates the maintenance personnel to adjust the position of the locking sleeve 211, which is suitable for different models of transformer tap changers, expands the application range, and is convenient for debugging.

[0042] Please refer to Figures 1 to 5 In some embodiments, the riser pad 23 is provided with a plurality of jack 2123 for accommodating the locking sleeve 211, and the maintenance personnel directly inserts the locking sleeve 211 into the corresponding jack 2123, which further improves the efficiency of debugging and is convenient for operation.

[0043] Please refer to Figures 1 to 4 In some embodiments, the upper locking piece 22 includes a plurality of supports 221 and a plurality of blocking blocks 222, each support 221 is detachably installed on the stabilizing piece 1, each blocking block 222 is detachably or fixedly installed on the corresponding support 221, and the plurality of blocking blocks 222 surround the periphery of the transformer tap changer.

[0044] The application can increase the height of the blocking block 222 protecting the transformer tap changer through the support 221, so that the blocking block 222 can support the upper part of the transformer tap changer, further prevent the transformer tap changer from falling, relieve the pressure of the lower locking part 21, prolong the service life of the lower locking part 21, and further improve the safety.

[0045] The blocking block 222 can be in the form of a circular arc, increasing the contact area between the blocking block 222 and the transformer tap changer, further improving the support strength of the transformer tap changer, and making the transformer tap changer more stable.

[0046] The support 221 can adopt a telescopic fixing structure, so that the support 221 can be telescoped in the vertical direction, thereby adjusting the position of the blocking block 222 supporting the transformer tap changer, appropriately adjusting the support 221 according to the use environment on site, further expanding the applicable range, and improving the stability.

[0047] Please refer to Figures 1 to 4 In some embodiments, the stabilizing part 1 is provided with a oil drain hole 3 communicating with the accommodating groove 11, and the oil drain hole 3 is inserted with a plug 4, and the plug 4 is provided with a handle 5.

[0048] The application is provided with an oil drain hole 3 communicating with the accommodating groove 11 on the stabilizing part 1, and the oil drain hole 3 is inserted with a plug 4, and the plug 4 is provided with a handle 5. The handle 5 facilitates the maintenance personnel to plug and unplug the plug 4, which is labor-saving and efficient in operation. The oil drain hole 3 communicating with the accommodating groove 11 on the stabilizing part 1 facilitates the centralized treatment of the engine oil in the accommodating groove 11, reduces the labor intensity of the maintenance personnel in the later stage, and through the oil drain hole 3, the engine oil flowing out of the oil drain hole 3 can be collected while the transformer tap changer is being maintained, so as to avoid the liquid level of the leaked engine oil exceeding the height of the high pad 23 and eroding the transformer tap changer. Further improve the collection efficiency of the engine oil, facilitate cleaning, and reduce labor intensity.

[0049] Please refer to Figures 1 to 4 In some embodiments, the upper part of the bottom plate 13 is provided with an inclined surface inclined to the oil drain hole 3.

[0050] The present application sets the inclined surface inclined to the oil drain hole 3 on the upper portion of the bottom plate 13, the oil entering the accommodating groove 11 will gather at the oil drain hole 3 along the inclined angle of the inclined surface, thereby avoiding the oil remaining in the accommodating groove 11 during cleaning, further improving the cleaning efficiency, and the collected oil can also be used to lubricate other parts, avoiding resource waste and saving maintenance costs.

[0051] Please refer to Figures 1 to 4 In some embodiments, the stabilizer 1 is detachably mounted with a plurality of counterweights 6.

[0052] The present application detachably mounts a plurality of counterweights 6 on the stabilizer 1, and the plurality of counterweights 6 can be mounted on the side surface or the bottom surface of the stabilizer 1 through bolts or magnetic attraction, so as to lower the center of gravity of the stabilizer 1, thereby reducing the overall center of gravity of the anti-toppling device and the transformer tap changer placed thereon, further improving the stability, and playing a certain protection role on the transformer tap changer.

[0053] It can be understood that the above embodiments only express the preferred embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application; it should be pointed out that for ordinary skilled in the art, the above technical features can be freely combined without departing from the concept of the present application, and some deformations and improvements can be made, which all belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application should belong to the scope of the claims of the present application.

Claims

1. A transformer tap changer anti-toppling device, characterized in that, The utility model relates to a kind of stabilizing piece (1) of transformer tap changer and locking assembly (2) of transformer tap changer vertical fixation in the stabilizing piece (1), the locking assembly (2) is detachably mounted on the stabilizing piece (1); The upper portion of the stabilizing piece (1) is provided with a receiving groove (11) for accommodating the transformer tap changer, and the lower portion of the stabilizing piece (1) is provided with a stabilizing portion (12). The locking assembly (2) includes a lower locking member (21) for cooperating with a positioning pin of the transformer tap changer, and an upper locking member (22) surrounding the transformer tap changer. The stabilizing piece (1) includes a bottom plate (13) and a frame (14) fixedly mounted on the bottom plate (13), and the frame (14) surrounds the receiving groove (11).

2. The transformer tap changer anti-topple device of claim 1, wherein, The stabilizing portion (12) is a supporting leg mounted on the bottom plate (13).

3. The transformer tap changer anti-topple device of claim 2, wherein, A high-rise pad (23) in contact with the transformer tap changer is fixedly or detachably mounted between the lower locking member (21) and the receiving groove (11).

4. The transformer tap changer anti-topple device of claim 1, wherein, The lower locking member (21) includes a plurality of locking sleeves (211) and connecting members (212), the locking sleeves (211) are detachably fixedly mounted on the high-rise pad (23) through the connecting members (212), the locking sleeves (211) are provided with through holes (213) for storing the positioning pin of the transformer tap changer, and a stabilizing space (214) is formed between the plurality of locking sleeves (211).

5. The transformer tap changer anti-topple device of claim 4, wherein, The connecting member (212) includes a bolt (2121) fixedly mounted on the high-rise pad (23), and the through hole (213) of the locking sleeve (211) is provided with a threaded hole (2122) threadedly connected with the bolt (2121); or the high-rise pad (23) is provided with a plurality of jack holes (2123) for accommodating the locking sleeves (211).

6. The transformer tap changer anti-topple device of claim 5, wherein, The upper locking member (22) includes a plurality of supports (221) and a plurality of blocking blocks (222), each of the supports (221) is detachably mounted on the stabilizing piece (1), each of the blocking blocks (222) is detachably or fixedly mounted on the corresponding support (221), and the plurality of blocking blocks (222) surround the periphery of the transformer tap changer.

7. The transformer tap changer anti-topple device of claim 4, wherein, An oil drain hole (3) is formed in the stabilizing piece (1) and communicates with the receiving groove (11), a plug (4) is inserted into the oil drain hole (3), and a handle (5) is mounted on the plug (4).

8. The transformer tap changer anti-topple device of claim 2, wherein, An inclined surface is provided on the upper portion of the bottom plate (13) and inclined to the oil drain hole (3).

9. The transformer tap changer anti-topple device of claim 8, wherein, A plurality of counterweights (6) are detachably mounted on the stabilizing piece (1).

10. The transformer tap changer anti-topple device of claim 1, wherein, ​

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