A large voltage transformer overturning device

Abstract

The utility model provides a large -scale voltage transformer turnover device relates to mutual inductor field, including detachable installation's turnover frame and turnover frame, turnover frame is placed on the horizontal plane, is provided as at least top opening's semi -enclosed chamber structure, is provided with first installation site on it, turnover frame is installed on first installation site, is provided with second installation site on it, voltage transformer adopts locking mechanism and is fixed in second installation site, still be provided with one auxiliary mechanism on turnover frame, turnover frame has the freedom of rotation in first installation site under the action of auxiliary mechanism. The utility model discloses the turnover device, first voltage transformer is installed in the turnover frame, then is directly placed on the turnover frame by the line and is lifted, and the turnover frame is directly turned to the working end through the auxiliary mechanism, the whole operation process can be completed by one person, saves time and labour, not only will not happen voltage transformer fall phenomenon, and greatly improves voltage transformer sleeve silica gel sleeve's efficiency.

Description

Technical Field

[0001] This utility model relates to the field of transformer technology, specifically to a large voltage transformer flipping device. Background Technology

[0002] Currently, there is a large demand for outdoor silicone-insulated three-phase five-limb voltage transformers used in the ZW20 pole-mounted circuit breakers of the Southern Power Grid. Furthermore, there is a requirement that the short-circuit impedance value must not exceed 15% when the secondary short-circuit output reaches 3000VA. Therefore, to meet market demand, the production scale of outdoor silicone-insulated three-phase five-limb voltage transformers is being expanded. Outdoor silicone-insulated three-phase five-limb voltage transformers are large in size and weight, making it difficult for operators to independently flip them when installing the silicone sleeves. In existing technology, a split installation scheme is used, where the transformer is divided into two parts for silicone sleeve installation. First, the silicone sleeve is installed on the upper part of the transformer, then the voltage transformer is fixed with clamps and hung on a gantry crane. The gantry crane is then used to flip the clamped voltage transformer and place it on a rack. This process requires multiple operators working together to complete the flip, and there is no guarantee that the transformer will not fall. This is not only difficult to operate, time-consuming and labor-intensive, and poses safety hazards, but it may also cause damage to the voltage transformer, resulting in economic losses.

[0003] To improve the overall production efficiency of three-phase five-limb voltage transformers with silicone sleeves, a new flipping method or structure needs to be found in the silicone sleeve installation process to reduce the difficulty of silicone sleeve installation and improve the efficiency of silicone sleeve installation, thereby reducing safety hazards and saving time and effort. Summary of the Invention

[0004] The purpose of this utility model is to provide a large voltage transformer flipping device, which can be operated by a single person, saving time and effort, and greatly reducing the safety hazards of the frame, thus greatly improving the installation efficiency of the silicone sleeve of the voltage transformer set.

[0005] To achieve the above objectives, the present invention proposes the following technical solution: a large voltage transformer flipping device, comprising a detachable flipping frame and a flipping frame; The flipping frame is placed on a horizontal surface and is configured as a semi-enclosed chamber structure with at least an opening at the top, on which a first mounting position is provided; The flip frame is installed on the first mounting position, and a second mounting position is provided thereon; a locking mechanism is provided in the second mounting position, and the voltage transformer is fixed in the second mounting position by the locking mechanism. An auxiliary mechanism is also provided on the flip frame. Under the action of the auxiliary mechanism, the flip frame has the freedom to rotate within the first mounting position, thereby adjusting the voltage transformer in the second mounting position to the working end; wherein, the working end is the low voltage end of the voltage transformer.

[0006] Furthermore, the mounting plane of the first mounting position is parallel to the horizontal plane, and the mounting plane of the second mounting position is perpendicular to or parallel to the horizontal plane. When the mounting plane of the second mounting position is perpendicular to the horizontal plane, the auxiliary mechanism drives the flip frame to rotate 90° or 270° within the first mounting position to adjust to the working end; When the mounting plane of the second mounting position is parallel to the horizontal plane, the auxiliary mechanism drives the flip frame to rotate 180° within the first mounting position to adjust it to the working end.

[0007] Furthermore, the second mounting position is configured as a rectangular structure assembled from frames, and the rectangular structure is adapted to be installed around the low-voltage end of the voltage transformer. Several sets of first positioning units are symmetrically arranged on the opposite side walls of the low-voltage end. A second positioning unit is respectively arranged on the frame at the corresponding position of the rectangular structure and each of the first positioning units. The locking mechanism is locked and fixed to the voltage transformer through the first positioning unit and the second positioning unit.

[0008] Furthermore, the flip frame also includes a pair of rotating shafts, which are symmetrically arranged at the middle of opposite sides of the second mounting position of the rectangular structure, and the axis of the rotating shaft coincides with one axis of symmetry of the rectangular structure; the rotating shaft is fixed to the corresponding side frame of the rectangular structure, and a limit mechanism is provided on it along the axial center. The flipping frame includes a pair of locking mechanisms spaced apart and symmetrically arranged on the top of the semi-enclosed chamber structure. The position of the locking mechanism corresponds to the position of the rotating shaft, and the locking mechanism and the semi-enclosed chamber from the top down of the flipping frame constitute the first mounting position. When the rotating shaft is installed on the corresponding side of the engaging mechanism, the engaging mechanism is adapted to engage with the limiting mechanism to lock the degree of freedom of the rotating shaft along its axial direction.

[0009] Furthermore, the flipping frame is configured as a square cylindrical structure with an opening at the top; The engaging mechanism is symmetrically arranged on one opposite side of the top of the square cylindrical structure. The engaging mechanism extends vertically upward on its mounting side. The limiting mechanism is adapted to the engaging mechanism from top to bottom. Define the side on the square cylindrical structure where the locking mechanism is installed as the first side and the two sides adjacent to the first side as the second side. Then, the minimum distance between the locking mechanism and the second side is such that the flip frame can rotate freely within the first mounting position after the voltage transformer is installed.

[0010] Furthermore, if the side frame on which the rotating shaft is mounted on the rectangular structure is defined as the first frame and the two frames adjacent to the first frame are defined as the second frame, then the auxiliary mechanism is set on any of the second frames and located in the middle of the second frame; The flipping frame also includes a fixing mechanism, which is disposed on any of the second side and is used to fix the auxiliary mechanism when the auxiliary mechanism drives the flipping frame to rotate and adjust to the working end.

[0011] Furthermore, the flipping frame is configured as a square cylindrical structure with openings on the top and a second side, and any side and bottom of the square cylindrical structure are hollowed out.

[0012] Furthermore, the square tube structure includes a bottom rectangular frame, a vertical support frame, and a top U-shaped frame; The bottom rectangular frame is constructed from assembled frames; the vertical support frame includes four vertical frames, the bottom ends of which are respectively connected to the four vertices of the bottom rectangular frame and are set upwards in the vertical direction; the top U-shaped frame includes three horizontal frames connected in sequence, the connection points and ends of which are respectively connected to the tops of the four vertical frames.

[0013] Furthermore, the auxiliary mechanism is configured as a telescopic rod, and the fixing mechanism is configured as a semi-clamp structure; when the auxiliary mechanism drives the flipping frame to rotate and adjust to the working end, the telescopic rod abuts against the upper end face of the second side, and the semi-clamp structure is fixed to the outer wall of the telescopic rod.

[0014] Furthermore, the engaging mechanism includes two triangular supports arranged symmetrically and at intervals along the vertical direction, forming a slot between the two triangular supports; the limiting mechanism on the rotating shaft is configured as an annular groove around the rotating shaft, and the annular groove is adapted to engage within the slot.

[0015] As can be seen from the above technical solutions, the technical solutions of this utility model have achieved the following beneficial effects: This utility model discloses a large voltage transformer flipping device, comprising a detachable flipping frame and a flipping housing. The flipping frame is placed on a horizontal plane and is configured as a semi-enclosed chamber structure with at least a top opening, on which a first mounting position is provided. The flipping housing is installed on the first mounting position, on which a second mounting position is provided. A locking mechanism is provided in the second mounting position, and the voltage transformer is fixed in the second mounting position by the locking mechanism. An auxiliary mechanism is also provided on the flipping housing, which, under the action of the auxiliary mechanism, gives the flipping housing a degree of freedom to rotate within the first mounting position, allowing the voltage transformer in the second mounting position to be adjusted to the working end. The flipping device designed in this utility model first installs the voltage transformer in the flipping housing, and then it is directly lifted by a gantry crane and placed on the flipping frame. The auxiliary mechanism directly flips the flipping housing to the working end. The entire operation can be completed by a single person, reducing labor intensity. It not only prevents the voltage transformer from falling, but also greatly improves the efficiency of fitting silicone sleeves onto the voltage transformer. To facilitate the installation of silicone sleeves on voltage transformers, both the flipping frame and the flipping stand are designed as hollow structures built from steel frames, preventing the flipping device from tipping over and ensuring safety and reliability even after flipping. In summary, this device helps improve the overall manufacturing efficiency of voltage transformers, allowing for greater production scale to fully meet market demand.

[0016] It should be understood that all combinations of the foregoing concepts and the additional concepts described in more detail below can be considered as part of the utility model subject matter of this disclosure, provided that such concepts do not contradict each other.

[0017] The foregoing and other aspects, embodiments, and features of the present invention will be more fully understood from the following description in conjunction with the accompanying drawings. Other additional aspects of the present invention, such as features and / or beneficial effects of exemplary embodiments, will become apparent from the following description or may be learned through practice of specific embodiments according to the teachings of the present invention. Attached Figure Description

[0018] The accompanying drawings are not drawn to scale according to a true reference numeral. In the drawings, each identical or nearly identical component shown in the various figures can be denoted by the same reference numeral. For clarity, not every component is labeled in each figure. Embodiments of various aspects of the present invention will now be described by way of example and with reference to the accompanying drawings, wherein: Figure 1 This is a schematic diagram of the flipping frame in the flipping device disclosed in the embodiments of this utility model; Figure 2 This is a left view of the flipping frame in the flipping device disclosed in this embodiment of the utility model; Figure 3 This is a schematic diagram of the flipping frame in the flipping device disclosed in the embodiments of this utility model; Figure 4 This is a front view of the voltage transformer adapted to the flipping device of this utility model.

[0019] The specific meanings of each mark in the diagram are as follows: 1-Flipping frame, 11-Clamping mechanism, 12-Bottom rectangular frame, 13-Vertical support frame, 14-Top U-shaped frame; 2-Flipping frame, 21-Second mounting position, 22-Auxiliary mechanism, 23-Second positioning unit, 24-Rotating shaft, 25-Limiting mechanism; 3-Voltage transformer, 31-First positioning unit. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model. Unless otherwise defined, the technical or scientific terms used herein should have the ordinary meaning understood by those skilled in the art to which this utility model pertains.

[0021] The terms "first," "second," and similar words used in this utility model patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, unless the context clearly indicates otherwise, the singular forms of "an," "a," or "the," etc., do not indicate a quantity limitation, but rather indicate the presence of at least one. Terms such as "comprising" or "including" indicate that the element or object preceding "comprising" encompasses the features, integrals, steps, operations, elements, and / or components listed following "comprising" or "including," and do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or collections thereof. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] The existing technology for installing outdoor silicone sleeves on three-phase five-column voltage transformers involves first covering the upper half, then hoisting it to the mounting frame, where multiple people work together to flip it over and place it on the frame. This process is not only labor-intensive but also cannot guarantee that the transformer will not fall and be damaged. Therefore, this utility model aims to propose a large voltage transformer flipping device that is not only easy to operate but also safe and efficient.

[0023] The large voltage transformer flipping device disclosed in this utility model will be further described in detail below with reference to the specific embodiments shown in the accompanying drawings.

[0024] The large voltage transformer flipping device disclosed in this utility model includes a detachable flipping frame 1 and a flipping frame 2. The flipping frame 1 is placed on a horizontal plane and is configured as a semi-enclosed chamber structure with at least a top opening, and a first mounting position is provided on it. The flipping frame 2 is installed on the first mounting position and a second mounting position 21 is provided on it. A locking mechanism is provided in the second mounting position 21, and the voltage transformer 3 is fixed in the second mounting position 21 by the locking mechanism. That is, when using this flipping device, the voltage transformer 3 is first installed on the flipping frame 2, and then the flipping frame 2 is installed on the flipping frame 1.

[0025] For ease of use, an auxiliary mechanism 22 is also provided on the flipping frame 2. Under the action of the auxiliary mechanism 22, the flipping frame 2 has the freedom to rotate within the first mounting position, thereby adjusting the voltage transformer 3 in the second mounting position 21 to the working end; wherein, the working end is the low-voltage end of the voltage transformer. In specific operation, the operator pushes the flipping frame 2 to rotate it by using the auxiliary mechanism 22; optionally, the auxiliary mechanism 22 can be an electric structure or a simple mechanical structure; in the embodiment shown in the figure, the auxiliary mechanism 22 is designed as a simple mechanical structure, and the flipping is completed by manual operation of the auxiliary mechanism 22.

[0026] In this utility model, the large voltage transformer flipping device is installed such that the mounting plane of the first mounting position is parallel to the horizontal plane, and the mounting plane of the second mounting position 21 is perpendicular to or parallel to the horizontal plane. When the mounting plane of the second mounting position 21 is perpendicular to the horizontal plane, the auxiliary mechanism 22 drives the flipping frame 2 to rotate 90° or 270° within the first mounting position to adjust to the working end. When the mounting plane of the second mounting position 21 is parallel to the horizontal plane, the auxiliary mechanism 22 drives the flipping frame 2 to rotate 180° within the first mounting position to adjust to the working end. Typically, when fitting the silicone sleeve onto the voltage transformer 3, the upper half, i.e., the high-voltage end, is fitted first. When lifting with a gantry crane, the fitted voltage transformer 3 is directly placed on the flipping frame 1. At this time, the mounting plane of the second mounting position 21 is parallel to the horizontal plane, so the operator manipulates the auxiliary mechanism 22 to rotate the flipping frame 2 180° within the first mounting position to adjust to the working end.

[0027] like Figure 3 and Figure 4As shown, the second mounting position 21 is configured as a rectangular structure assembled from frames. The rectangular structure is adapted to be installed on the periphery of the low-voltage end of the voltage transformer 3. Several sets of first positioning units 31 are symmetrically arranged on the opposite side walls of the low-voltage end. A second positioning unit 23 is respectively arranged on the frame at the corresponding position of the rectangular structure and each of the first positioning units 31. The locking mechanism is locked and fixed to the voltage transformer 3 through the first positioning unit 31 and the second positioning unit 23. In the embodiment, the first positioning unit 31 is configured as a countersunk hole, the second positioning unit 23 is configured as a through hole penetrating the frame, and the locking mechanism is configured as a pin. The pin passes through the through hole and locks with the countersunk hole to complete the installation of the voltage transformer 3.

[0028] Further integration Figure 3 As shown, the flip frame 2 also includes a pair of rotating shafts 24, which are symmetrically arranged in the middle of opposite sides of the second mounting position 21 of the rectangular structure, and the axis of the rotating shaft 24 coincides with one axis of symmetry of the rectangular structure; the rotating shaft 24 is fixed to the corresponding side frame of the rectangular structure, and a limiting mechanism 25 is provided on it along the axial center; the flip frame 1 includes a pair of locking mechanisms 11 spaced apart and symmetrically arranged on the top of the semi-enclosed chamber structure, the position of the locking mechanism 11 corresponds to the position of the rotating shaft 24, and the locking mechanism 11 and the semi-enclosed chamber of the flip frame 1 from top to bottom constitute the first mounting position; when the rotating shaft 24 is installed on the corresponding side of the locking mechanism 11, the locking mechanism 11 and the limiting mechanism 25 are adapted to engage, locking the degree of freedom of the rotating shaft 24 along its axial direction.

[0029] Specifically, such as Figure 1 As shown, the engaging mechanism 11 includes two triangular supports arranged symmetrically and at intervals along the vertical direction, forming a slot between the two triangular supports; the limiting mechanism 25 on the rotating shaft 24 is configured as an annular groove around the rotating shaft 24, and the annular groove is adapted to engage in the slot.

[0030] Further integration Figure 1 As shown, the flipping frame 1 of the large voltage transformer flipping device is configured as a square cylindrical structure with an open top; the locking mechanism 11 is symmetrically arranged on opposite sides of the top of the square cylindrical structure, and the locking mechanism 11 extends vertically upward on its mounting side. The limiting mechanism 25 is adapted to the locking mechanism 11 from top to bottom; the side on the square cylindrical structure where the locking mechanism 11 is mounted is defined as the first side, and the two sides adjacent to the first side are defined as the second side. The minimum distance between the locking mechanism 11 and the second side is such that the flipping frame 2 can rotate freely in the first mounting position after the voltage transformer 3 is installed, without hindering the use of the flipping device.

[0031] Define the side frame on the rectangular structure of the flipping frame 2, where the rotating shaft 24 is mounted, as the first frame, and the two frames adjacent to the first frame as the second frame. The auxiliary mechanism 22 is then mounted on either of the second frames and located in the middle of the second frame. The flipping frame 1 also includes a fixing mechanism, which is mounted on either of the second side frames and used to fix the auxiliary mechanism when the auxiliary mechanism 22 drives the flipping frame 2 to rotate and adjust it to the working end. Figure 4 As shown, the auxiliary mechanism 22 is a telescopic rod made of round steel, and the fixing mechanism is a semi-clamp structure. When the auxiliary mechanism 22 drives the flipping frame 2 to rotate and adjust to the working end, the telescopic rod abuts against the upper end face of the second side, and the semi-clamp structure is fixed to the outer wall of the telescopic rod, effectively preventing the shaking phenomenon caused by the uneven weight of the upper and lower parts of the flipping frame 2 after it is flipped.

[0032] To facilitate the assembly of the silicone sleeve, the flipping frame 1 of the large voltage transformer flipping device is configured as a square cylindrical structure with openings on the top and a second side, and any side and bottom of the square cylindrical structure are hollowed out. Specifically, the square cylindrical structure includes a bottom rectangular frame 12, a vertical support frame 13, and a top U-shaped frame 14; wherein, the bottom rectangular frame 12 is constructed by assembling frames; the vertical support frame 13 includes four vertical frames, the bottom ends of which are respectively connected to the four vertices of the bottom rectangular frame 12 and are arranged vertically upwards; the top U-shaped frame 14 includes three horizontal frames connected in sequence, the connection points and ends of which are respectively connected to the tops of the four vertical frames; in this embodiment, both the horizontal and vertical frames are made of channel steel, and the frames are welded together.

[0033] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this invention shall be determined by the claims.

Claims

1. A large voltage transformer reversing device, characterized in that, Includes a detachable and installable flip frame and flip box; The flipping frame is placed on a horizontal surface and is configured as a semi-enclosed chamber structure with at least an opening at the top, on which a first mounting position is provided; The flip frame is installed on the first mounting position, and a second mounting position is provided thereon; a locking mechanism is provided in the second mounting position, and the voltage transformer is fixed in the second mounting position by the locking mechanism. An auxiliary mechanism is also provided on the flip frame. Under the action of the auxiliary mechanism, the flip frame has the freedom to rotate within the first mounting position, thereby adjusting the voltage transformer in the second mounting position to the working end; wherein, the working end is the low voltage end of the voltage transformer.

2. The large voltage transformer reversing device according to claim 1, characterized in that, The mounting plane of the first mounting position is parallel to the horizontal plane, and the mounting plane of the second mounting position is perpendicular to or parallel to the horizontal plane; When the mounting plane of the second mounting position is perpendicular to the horizontal plane, the auxiliary mechanism drives the flip frame to rotate 90° or 270° within the first mounting position to adjust to the working end; When the mounting plane of the second mounting position is parallel to the horizontal plane, the auxiliary mechanism drives the flip frame to rotate 180° within the first mounting position to adjust it to the working end.

3. The large voltage transformer reversing device according to claim 1, characterized in that, The second mounting position is configured as a rectangular structure assembled from frames, and the rectangular structure is adapted to be installed around the low-voltage end of the voltage transformer. Several sets of first positioning units are symmetrically arranged on the opposite side walls of the low-voltage end. A second positioning unit is respectively arranged on the frame at the corresponding position of the rectangular structure and each of the first positioning units. The locking mechanism is locked and fixed to the voltage transformer through the first positioning unit and the second positioning unit.

4. The large voltage transformer reversing device according to claim 3, characterized in that, The flip frame also includes a pair of rotating shafts, which are symmetrically arranged at the middle of opposite sides of the second mounting position of the rectangular structure, and the axis of the rotating shaft coincides with one axis of symmetry of the rectangular structure; the rotating shaft is fixed to the corresponding side frame of the rectangular structure, and a limit mechanism is provided on it along the axial center. The flipping frame includes a pair of locking mechanisms spaced apart and symmetrically arranged on the top of the semi-enclosed chamber structure. The position of the locking mechanism corresponds to the position of the rotating shaft, and the locking mechanism and the semi-enclosed chamber from the top down of the flipping frame constitute the first mounting position. When the rotating shaft is installed on the corresponding side of the engaging mechanism, the engaging mechanism is adapted to engage with the limiting mechanism to lock the degree of freedom of the rotating shaft along its axial direction.

5. The large voltage transformer reversing device according to claim 4, characterized in that, The flipping frame is configured as a square cylindrical structure with an open top; The engaging mechanism is symmetrically arranged on one opposite side of the top of the square cylindrical structure. The engaging mechanism extends vertically upward on its mounting side. The limiting mechanism is adapted to the engaging mechanism from top to bottom. Define the side on the square cylindrical structure where the locking mechanism is installed as the first side and the two sides adjacent to the first side as the second side. Then, the minimum distance between the locking mechanism and the second side is such that the flip frame can rotate freely within the first mounting position after the voltage transformer is installed.

6. The large voltage transformer reversing device according to claim 5, characterized in that, Define the side frame on which the rotating shaft is mounted on the rectangular structure as the first frame, and the two frames adjacent to the first frame as the second frame. Then the auxiliary mechanism is set on any of the second frames and located in the middle of the second frame. The flipping frame also includes a fixing mechanism, which is disposed on any of the second side and is used to fix the auxiliary mechanism when the auxiliary mechanism drives the flipping frame to rotate and adjust to the working end.

7. The large voltage transformer reversing device according to claim 5, characterized in that, The flipping frame is configured as a square cylindrical structure with openings on the top and a second side, and any side and bottom of the square cylindrical structure are hollowed out.

8. The large voltage transformer reversing device according to claim 7, characterized in that, The square tube structure includes a bottom rectangular frame, a vertical support frame, and a top U-shaped frame; The bottom rectangular frame is constructed from assembled frames; the vertical support frame includes four vertical frames, the bottom ends of which are respectively connected to the four vertices of the bottom rectangular frame and are set upwards in the vertical direction; the top U-shaped frame includes three horizontal frames connected in sequence, the connection points and ends of which are respectively connected to the tops of the four vertical frames.

9. The large voltage transformer reversing device according to claim 6, characterized in that, The auxiliary mechanism is configured as a telescopic rod, and the fixing mechanism is configured as a semi-clamp structure. When the auxiliary mechanism drives the flipping frame to rotate and adjust to the working end, the telescopic rod abuts against the upper end face of the second side, and the semi-clamp structure is fixed to the outer wall of the telescopic rod.

10. The large voltage transformer reversing device according to claim 5, characterized in that, The engaging mechanism includes two triangular supports arranged symmetrically and at intervals along the vertical direction, forming a slot between the two triangular supports; the limiting mechanism on the rotating shaft is configured as an annular groove around the rotating shaft, and the annular groove is adapted to engage in the slot.

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