Fixing device suitable for transformer base of back-to-back type double-channel-steel structure

Abstract

The invention discloses a fixing device suitable for a transformer base of a back-to-back type double-channel-steel structure, belongs to the technical field of power equipment installation, and mainly aims to improve the installation efficiency of a transformer. According to the main technical scheme, the fixing device suitable for the transformer base of the back-to-back type double-channel-steel structure comprises a first stopping part, a second stopping part and a locking part; the first stopping part abuts against a flange of the back-to-back type double-channel-steel structure, is located on the first direction side of the flange and is used for limiting the flange in the first direction. The second stopping part abuts against the carrier, is located on the side, away from the flange, of the carrier and is used for limiting the carrier in the direction opposite to the first direction; one end of the locking part is connected with the first backstop part, the other end of the locking part is connected with the second backstop part, the locking part is used for driving the first backstop part and the second backstop part to move face to face or back to back, and when the first backstop part and the second backstop part move face to face, the flange and the carrier can be clamped and fixed.

Description

Technical Field

[0001] The present application belongs to the technical field of power equipment installation, and specifically relates to a fixing device suitable for a transformer base with a back-to-back double-slot steel structure. Background Art

[0002] In the field of power infrastructure construction, the stable installation of transformers is a key link in ensuring the reliable operation of power systems. Back-to-back double-slot steel structure bases are widely used in transformer installation projects due to their excellent mechanical properties and structural stability.

[0003] However, in actual application scenarios, due to differences in the design of the back-to-back double-slot steel structure bases that are compatible with transformers of different models and specifications, the positions of the screw holes on each base are different. This situation has caused many inconveniences during the actual installation work. Specifically, it is often difficult to achieve precise alignment of the screw holes on the back-to-back double-slot steel structure base and the screw holes on the supporting crossarms used for auxiliary support. During the on-site installation process, the installers frequently encountered the situation of misaligned screw holes, which hindered the installation process that should have been smooth. They had to spend a lot of extra time and energy trying to achieve docking between the two by adjusting the position and angle of the base or crossarms, and even performing secondary processing on some screw holes, which seriously affected the installation efficiency and project progress. Summary of the Invention

[0004] In view of this, the present application provides a fixing device suitable for a transformer base with a back-to-back double-slot steel structure, the main purpose of which is to improve the installation efficiency of the transformer.

[0005] To achieve the above objectives, this application mainly provides the following technical solutions:

[0006] The present application provides a fixing device for a transformer base having a back-to-back double-slot steel structure, comprising:

[0007] a first stopper, a second stopper, and a locking portion;

[0008] The first stop portion abuts against the flange of the back-to-back double-channel steel structure and is located on the first direction side of the flange, and is used to limit the flange in the first direction;

[0009] The second stop portion abuts against the carrier and is located on a side of the carrier away from the flange, and is used to limit the carrier in a direction opposite to the first direction;

[0010] One end of the locking portion is connected to the first stop portion, and the other end is connected to the second stop portion. The locking portion is used to drive the first stop portion and the second stop portion to move toward or away from each other. When the first stop portion and the second stop portion move toward each other, the flange and the carrier can be clamped and fixed.

[0011] Optionally, the lengths of the first stop portion and the second stop portion are adjustable.

[0012] Optionally, the first stopping portion includes:

[0013] Two first telescopic tubes are arranged opposite to each other along the length direction of the flange, and two first clamping strips are arranged opposite to each other on the outer circumference of the first telescopic tubes;

[0014] The two first telescopic tubes can move between the two first clamping strips along the length direction of the flange and can be fixed at a first preset position.

[0015] Optionally, a first slot is formed on the first clamping strip, the first slot extending along the length direction of the flange, and a first through hole is formed in the first telescopic tube at a position corresponding to the first slot, the first through hole passing through the first telescopic tube and communicating with the first slot;

[0016] The first stopper further includes:

[0017] A first bolt assembly, the first bolt assembly includes a first bolt and a first nut, the first bolt is configured to sequentially pass through the first slot on one first clip, the first through hole of the first telescopic tube, and the corresponding first slot on the other first clip, the first nut is arranged at the protruding end of the first bolt, and the first nut is configured to, when tightened, bring the two first clips closer to each other and clamp the two first telescopic tubes at the first preset position between the two first clips.

[0018] Optionally, the second stopping portion includes:

[0019] Two second telescopic tubes are arranged opposite to each other along the length direction of the flange, and two second clamping strips are arranged opposite to each other on the outer circumference of the second telescopic tubes;

[0020] The two second telescopic tubes can move between the two second clamping strips along the length direction of the flange and can be fixed at a second preset position.

[0021] Optionally, a second slot is formed on the second clamping strip, the second slot extending along the length direction of the flange, and a second through hole is formed in the second telescopic tube at a position relative to the second slot, the second through hole passes through the second telescopic tube and communicates with the second slot;

[0022] The second stopper further includes:

[0023] The second bolt assembly includes a second bolt and a second nut. The second bolt is configured to sequentially pass through the second slot on one second clamping strip, the second through hole of the second telescopic tube, and the corresponding second slot on the other second clamping strip. The second nut is sleeved on the protruding end of the second bolt. When the second nut is tightened, it is configured to bring the two second clamping strips closer to each other and clamp the two second telescopic tubes at the second preset position between the two second clamping strips.

[0024] Optionally, the locking portion includes:

[0025] Connectors and fixings;

[0026] One end of the connecting member is fixed relative to the first stop portion, and the other end passes through the second stop portion. The fixing member is sleeved on the outlet end of the connecting member and can move on the outlet end of the connecting member and be fixed at a third preset position to limit the second stop portion in the opposite direction of the first direction.

[0027] Optionally, the connecting member includes a first part and a second part, and the first part is detachably connected to the second part.

[0028] Optionally, the portion where the first stop portion abuts against the flange is a planar structure, and the portion where the second stop portion abuts against the carrier is also a planar structure.

[0029] Optionally, the first stop portion and the second stop portion are hollow structures.

[0030] By means of the above technical solution, this application has at least the following beneficial effects:

[0031] The fixing device provided in the embodiment of the present invention is suitable for a transformer base with a back-to-back double-slot steel structure. By providing a first stop portion, a second stop portion and a locking portion, and connecting the two ends of the locking portion to the first stop portion and the second stop portion respectively, the worker can operate the locking portion to complete the fixation of the transformer and the carrier, simplifying the tedious alignment of screw holes and repeated debugging in the traditional installation process, thereby improving the convenience and smoothness of the transformer installation operation and greatly reducing the manpower investment and time consumption during the installation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is an application scenario diagram of a fixing device for a transformer base having a back-to-back double-slot steel structure according to an optional embodiment of the present application;

[0033] Figure 2 This is a structural schematic diagram of a fixing device for a transformer base having a back-to-back double-slot steel structure according to an optional embodiment of the present application.

[0034] The reference numerals indicate:

[0035] 1. First stopper; 11. First telescopic tube; 111. First through hole; 12. First clamping strip; 121. First clamping slot; 13. First bolt assembly; 2. Second stopper; 21. Second telescopic tube; 211. Second through hole; 22. Second clamping strip; 221. Second clamping slot; 23. Second bolt assembly; 3. Locking portion; 31. Connector; 311. First part; 312. Second part; 32. Fixing member; 4. Back-to-back double-slot steel structure; 41. Flange; 5. Carrier. DETAILED DESCRIPTION

[0036] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0038] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0039] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0040] See also Figure 1 and Figure 2 As shown, according to an embodiment of the present application, a fixing device suitable for a transformer base with a back-to-back double-slot steel structure is provided, including: a first stop portion 1, a second stop portion 2 and a locking portion 3; the first stop portion 1 abuts against the flange 41 of the back-to-back double-slot steel structure 4, and is located on the first direction side of the flange 41, for limiting the flange 41 in the first direction; the second stop portion 2 abuts against the carrier 5, and is located on the side of the carrier 5 away from the flange 41, for limiting the carrier 5 in the opposite direction of the first direction; one end of the locking portion 3 is connected to the first stop portion 1, and the other end is connected to the second stop portion 2, and the locking portion 3 is used to drive the first stop portion 1 and the second stop portion 2 to move toward or away from each other. When the first stop portion 1 and the second stop portion 2 move toward each other, the flange 41 and the carrier 5 can be clamped and fixed.

[0041] In this embodiment, by providing a first stop portion 1, a second stop portion 2 and a locking portion 3, and connecting the two ends of the locking portion 3 to the first stop portion 1 and the second stop portion 2 respectively, the staff can operate the locking portion 3 to complete the fixation of the transformer and the carrier 5, simplifying the tedious alignment of screw holes and repeated debugging in the traditional installation process, thereby improving the convenience and smoothness of the transformer installation operation, and greatly reducing the manpower input and time consumption in the installation process.

[0042] The transformer base is a basic structural component used to support and secure the transformer. During transformer installation, the transformer and the base can be secured first by bolting, welding, or other methods. The base can then be connected to the carrier 5, securing the transformer to the carrier 5. Here, the carrier 5 is a support crossarm horizontally mounted between two concrete poles.

[0043] Specifically, the fixing device provided in this embodiment is suitable for a transformer base of a specific structure, namely, a back-to-back double-slot steel structure 4 base. The back-to-back double-slot steel structure 4 is composed of two trough-shaped structures in a side-lying state. Each trough-shaped structure uses a flat plate as the bottom surface of the trough body, and side plates extend vertically upward from both sides of the flat plate, thereby forming a "U"-shaped trough shape. Here, when the two "U"-shaped grooves are combined to form the back-to-back double-slot steel structure 4, they present a layout with opposite opening directions, and the two flat plates face each other, while the side plates are distributed on both sides of the overall structure.

[0044] Wherein, flange 41 is the side plate of " U " type groove. Here, because " U " type groove is side-lying state, then the flange 41 of " U " type groove is horizontal state.

[0045] The fixing device includes a first stopper 1 located on the first direction side of the flange 41. The first stopper 1 is used to limit the flange 41, the transformer base, and the transformer in the first direction to ensure that the flange 41, the transformer base, and the transformer are positioned stably in the first direction. Here, the first direction can be a vertically upward direction.

[0046] The fixing device further includes a second stopper 2 located in the opposite direction of the first direction of the carrier 5. The second stopper 2 is used to limit the carrier 5 in the opposite direction of the first direction to ensure the stability of the position of the carrier 5. Here, the opposite direction of the first direction is a vertical downward direction.

[0047] The fixing device further includes a locking portion 3, which is connected to the first stop portion 1 and the second stop portion 2, respectively. The locking portion 3 is used to drive the first stop portion 1 and the second stop portion 2 to move toward or away from each other. Here, movement toward each other refers to the first stop portion 1 and the second stop portion 2 moving toward each other; movement away from each other refers to the first stop portion 1 and the second stop portion 2 moving away from each other. Here, two locking portions 3 are provided, and the two locking portions 3 are respectively provided at the two ends of the first stop portion 1 and the second stop portion 2. When the first stop portion 1 and the second stop portion 2 are driven to move toward or away from each other, the two locking portions 3 work together to effectively prevent the first stop portion 1 and the second stop portion 2 from twisting or deforming due to uneven force.

[0048] Specifically, for the back-to-back double-channel steel structure 4, two sets of fixing devices are provided: one set of fixing devices is used to secure one U-shaped channel to the carrier 5, and the other set of fixing devices is used to secure the other U-shaped channel to the carrier 5. In actual application scenarios, when the transformer and carrier 5 need to be secured, the locking portion 3 is operated to drive the first stop portion 1 and the second stop portion 2 to move toward each other. As the first stop portion 1 and the second stop portion 2 approach each other, the first stop portion 1 will firmly abut the flange 41, and the second stop portion 2 will firmly abut the carrier 5, thereby clamping the flange 41 and the carrier 5 together. During this process, since the position of the carrier 5 is fixed, the clamping force generated by the first stop portion 1 and the second stop portion 2 can overcome external forces that may cause relative movement of the flange 41, thereby securing the flange 41, the transformer base, and the transformer to the carrier 5 together. When disassembly or adjustment is required, the locking portion 3 is operated to move the first stop portion 1 and the second stop portion 2 away from each other, releasing the clamping force on the flange 41 and the carrier 5, and the corresponding operation can be carried out.

[0049] In some possible implementations disclosed in this application, see Figure 2 As shown, the lengths of the first stop portion 1 and the second stop portion 2 are adjustable.

[0050] In this embodiment, by setting the length of the first stop portion 1 and the second stop portion 2 to be adjustable, flanges 41 of different lengths, i.e., back-to-back double-slot steel structures 4, can be adapted, which greatly improves the versatility and flexibility of the fixing device.

[0051] In some specific examples, the first stopper 1 and the second stopper 2 are in a telescopic rod-like configuration. For example, the first stopper 1 may consist of an outer sleeve and an inner tube, which slides within the outer sleeve. By fixing the inner tube in different positions, the overall length of the first stopper 1 can be varied. Similarly, the second stopper 2 employs a similar telescopic structure, enabling flexible adjustment of their respective lengths.

[0052] In other specific examples, the first stopper 1 and the second stopper 2 are assembled from multiple components. For example, the first stopper 1 is composed of several block-shaped components of different lengths. These components are connected by a specific method, such as the combination of slots and blocks, so that different numbers of components can be assembled as needed to adjust the length of the first stopper 1. The length of the second stopper 2 can also be changed by assembling different components.

[0053] In some possible implementations disclosed in this application, see Figure 2 As shown, the first stop portion 1 includes: two first telescopic tubes 11 arranged opposite to each other along the length direction of the flange 41 and two first clamping strips 12 arranged opposite to each other on the outer peripheral sides of the first telescopic tubes 11; the two first telescopic tubes 11 can move between the two first clamping strips 12 along the length direction of the flange 41 and can be fixed in a first preset position.

[0054] In this embodiment, the two first telescopic tubes 11 are movable between the two first clamping strips 12 along the length of the flange 41, allowing the first stopper 1 to be flexibly adjusted according to the specific length of the flange 41. Whether the flange 41 is long or short, precise fit can be achieved by adjusting the position of the first telescopic tubes 11, greatly improving the versatility and applicability of the first stopper 1.

[0055] The two first telescopic tubes 11 are opposite to each other in spatial position, and their extension direction is consistent with the length direction of the flange 41 , thereby providing a symmetrical and stable support basis for subsequent operations such as stopping and fixing the flange 41 .

[0056] The two first retaining strips 12 are located on the outside of the two first telescopic tubes 11, respectively, and cooperate with the first telescopic tubes 11. In actual application scenarios, the first retaining strips 12 work in conjunction with the first telescopic tubes 11 to limit and guide the movement of the first telescopic tubes 11. After the first telescopic tubes 11 are fixed, they work together with the first telescopic tubes 11 to stop and fix the flange 41.

[0057] Specifically, the contact surface between the outer wall of the first telescopic tube 11 and the inner wall of the first clamping strip 12 is made of a smooth material or provided with a guide structure, allowing the first telescopic tube 11 to freely telescope and move along the length of the flange 41 within the space defined by the first clamping strip 12. This allows the position of the first telescopic tube 11 to be adjusted as needed to accommodate flanges 41 of varying lengths or different installation requirements. Furthermore, to ensure that the two first telescopic tubes 11 can not only move but also be fixed in a first predetermined position, a series of positioning holes are provided on the first telescopic tube 11, and corresponding positions on the first clamping strip 12 are provided with pins or clips that can be inserted into the positioning holes. When the first telescopic tube 11 is moved to the appropriate position, i.e., the first predetermined position, these fixing mechanisms are operated to securely connect the first telescopic tube 11 to the first clamping strip 12, maintaining the first telescopic tube 11 in that position, thereby achieving stable stop and fixation of the flange 41. Here, the first predetermined position is the position of the first telescopic tube 11 within the first clamping strip 12, predetermined based on the length of the flange 41, that achieves optimal stop and fixation.

[0058] In the above embodiment, see Figure 2 As shown, a first slot 121 is provided on the first clamping strip 12, and the first slot 121 extends along the length direction of the flange 41. A first through hole 111 is provided in the first telescopic tube 11 at a position relative to the first slot 121. The first through hole 111 passes through the first telescopic tube 11 and is connected to the first slot 121; the first stop portion 1 also includes: a first bolt assembly 13, the first bolt assembly 13 includes a first bolt and a first nut, the first bolt is configured to pass through the first slot 121 on one first clamping strip 12, the first through hole 111 of the first telescopic tube 11 and the corresponding first slot 121 on the other first clamping strip 12 in sequence, the first nut is arranged at the outlet end of the first bolt, and the first nut is configured to, when tightened, bring the two first clamping strips 12 close to each other and clamp the two first telescopic tubes 11 to a first preset position between the two first clamping strips 12.

[0059] In this embodiment, the first slot 121 extends along the length of the flange 41 and corresponds to and communicates with the first through hole 111 on the first telescopic tube 11, providing a precise installation path and positioning reference for the first bolt assembly 13, ensuring that the first telescopic tube 11 can be fixed at a specific first preset position.

[0060] The direction of the first slot 121 is consistent with the length direction of the flange 41 , providing a path and space for the subsequent passage of the first bolt and the position adjustment of the first telescopic tube 11 .

[0061] The first telescopic tube 11 is a movable component, and a first through-hole 111 is defined at a position corresponding to the first retaining slot 121. The first through-hole 111 extends through the first telescopic tube 11 and communicates with the first retaining slot 121, ensuring that the first bolt can smoothly enter the first retaining slot 121, pass through the first through-hole 111 of the first telescopic tube 11, and reach the corresponding first retaining slot 121 on the other first retaining strip 12.

[0062] The first bolt assembly 13 is composed of a first bolt and a first nut. The first bolt serves to connect the two first clamping strips 12 and the first telescopic tube 11, while the first nut is used to tighten the first bolt to fix the first telescopic tube 11.

[0063] Specifically, during installation, the first bolt is passed through the first slot 121 on one first clip 12 in sequence, then through the first through hole 111 of the first telescopic tube 11, and finally through the corresponding first slot 121 on the other first clip 12. Since the first slot 121 extends along the length direction of the flange 41, the first telescopic tube 11 can move within this range. Therefore, when inserting the first bolt, the position of the first telescopic tube 11 can be adjusted according to actual needs to determine the first preset position. After the first bolt is inserted, the first nut is installed at the protruding end of the first bolt. By tightening the first nut, a pulling force is generated, which brings the two first clips 12 closer to each other. As the first clips 12 approach each other, a clamping force is generated on the two first telescopic tubes 11 located in the middle, and finally the two first telescopic tubes 11 are firmly clamped and fixed in the first preset position between the two first clips 12.

[0064] In some possible implementations disclosed in this application, see Figure 2 As shown, the second stop portion 2 includes: two second telescopic tubes 21 arranged opposite to each other along the length direction of the flange 41 and two second clamping strips 22 arranged opposite to each other on the outer peripheral side of the second telescopic tubes 21; the two second telescopic tubes 21 can move between the two second clamping strips 22 along the length direction of the flange 41 and can be fixed at a second preset position.

[0065] In this embodiment, the two second telescopic tubes 21 are movable between the two second clamping strips 22 along the length of the flange 41, allowing the second stop portion 2 to be flexibly adjusted according to the specific length of the flange 41. Whether the flange 41 is long or short, precise fit can be achieved by adjusting the position of the second telescopic tubes 21, greatly improving the versatility and applicability of the second stop portion 2.

[0066] The two second telescopic tubes 21 are opposite to each other in spatial position, and their extension direction is consistent with the length direction of the flange 41 , thereby providing a symmetrical and stable support basis for subsequent operations such as stopping and fixing the flange 41 .

[0067] The two second retaining strips 22 are located on the outside of the two second telescopic tubes 21 and cooperate with the second telescopic tubes 21. In actual application scenarios, the second retaining strips 22 work in conjunction with the second telescopic tubes 21 to limit and guide the movement of the second telescopic tubes 21. After the second telescopic tubes 21 are fixed, they work together with the second telescopic tubes 21 to stop and fix the flange 41.

[0068] Specifically, the contact surface between the outer wall of the second telescopic tube 21 and the inner wall of the second clamping strip 22 is made of a smooth material or provided with a guide structure, allowing the second telescopic tube 21 to freely telescope and move along the length of the flange 41 within the space defined by the second clamping strip 22. This allows the position of the second telescopic tube 21 to be adjusted as needed to accommodate flanges 41 of varying lengths or different installation requirements. Furthermore, to ensure that the two second telescopic tubes 21 can not only move but also be fixed in a second predetermined position, a series of positioning holes are provided on the second telescopic tube 21, and corresponding positions on the second clamping strip 22 are provided with pins or clips that can be inserted into the positioning holes. When the second telescopic tube 21 is moved to the appropriate position, i.e., the second predetermined position, these fixing mechanisms are operated to securely connect the second telescopic tube 21 to the second clamping strip 22, maintaining the second telescopic tube 21 in that position and thereby achieving stable stop and fixation of the flange 41. Here, the second predetermined position is the position where the second telescopic tube 21 is moved within the second clamping strip 22, predetermined based on the length of the flange 41, to achieve optimal stop and fixation.

[0069] In the above embodiment, see Figure 2As shown, a second slot 221 is provided on the second clamping strip 22, and the second slot 221 extends along the length direction of the flange 41. A second through hole 211 is provided in the second telescopic tube 21 at a position relative to the second slot 221. The second through hole 211 passes through the second telescopic tube 21 and is connected to the second slot 221; the second stop portion 2 also includes: a second bolt assembly 23, the second bolt assembly 23 includes a second bolt and a second nut, the second bolt is configured to pass through the second slot 221 on one second clamping strip 22, the second through hole 211 of the second telescopic tube 21 and the corresponding second slot 221 on the other second clamping strip 22 in sequence, the second nut is sleeved on the outlet end of the second bolt, and the second nut is configured to, when tightened, bring the two second clamping strips 22 close to each other and clamp the two second telescopic tubes 21 to the second preset position between the two second clamping strips 22.

[0070] In this embodiment, the second slot 221 extends along the length of the flange 41 and corresponds to and communicates with the second through hole 211 on the second telescopic tube 21, providing a precise installation path and positioning reference for the second bolt assembly 23, ensuring that the second telescopic tube 21 can be fixed at a specific second preset position.

[0071] The direction of the second slot 221 is consistent with the length direction of the flange 41 , providing a path and space for the subsequent passage of the second bolt and the position adjustment of the second telescopic tube 21 .

[0072] The second telescopic tube 21 is a movable component, and a second through-hole 211 is defined at a position corresponding to the second retaining slot 221. The second through-hole 211 extends through the second telescopic tube 21 and communicates with the second retaining slot 221, ensuring that the second bolt can smoothly enter the second retaining slot 221, pass through the second through-hole 211 of the second telescopic tube 21, and reach the corresponding second retaining slot 221 on the other second retaining strip 22.

[0073] The second bolt assembly 23 is composed of a second bolt and a second nut. The second bolt serves to connect the two second clamping strips 22 and the second telescopic tube 21, while the second nut is used to tighten the second bolt to fix the second telescopic tube 21.

[0074] Specifically, during installation, the second bolt is sequentially passed through the second slot 221 on one second clip 22, then through the second through hole 211 of the second telescopic tube 21, and finally through the corresponding second slot 221 on the other second clip 22. Since the second slot 221 extends along the length direction of the flange 41, the second telescopic tube 21 can move within this range. Therefore, when inserting the second bolt, the position of the second telescopic tube 21 can be adjusted according to actual needs to determine the second preset position. After the second bolt is inserted, the second nut is installed at the protruding end of the second bolt. By tightening the second nut, a pulling force is generated, which brings the two second clips 22 closer to each other. As the second clips 22 approach each other, a clamping force is generated on the two second telescopic tubes 21 located in the middle, and finally the two second telescopic tubes 21 are firmly clamped and fixed in the second preset position between the two second clips 22.

[0075] In some possible implementations disclosed in this application, see Figure 2 As shown, the locking part 3 includes: a connecting member 31 and a fixing member 32; one end of the connecting member 31 is fixed relative to the first stop portion 1, and the other end passes through the second stop portion 2, and the fixing member 32 is sleeved on the outlet end of the connecting member 31, and can move on the outlet end of the connecting member 31 and be fixed at a third preset position to limit the second stop portion 2 in the opposite direction of the first direction.

[0076] In this embodiment, one end of the connector 31 in the locking portion 3 is firmly connected to the first stop portion 1, maintaining a relatively fixed state, while the other end passes through the second stop portion 2. At the same time, a fixing member 32 is sleeved on the protruding end of the connector 31 and has the characteristics of being able to flexibly move at the protruding end and be precisely fixed in a specific position. When the distance between the first stop portion 1 and the second stop portion 2 needs to be adjusted, the second stop portion 2 is displaced along the axial direction of the connector 31 by moving the fixing member 32 at the protruding end of the connector 31. Since the first stop portion 1 and the connector 31 are relatively fixed, the distance between the first stop portion 1 and the second stop portion 2 can be adjusted. As the distance between the first stop portion 1 and the connector 31 changes, the clamping force applied by the two on the clamped object (such as the flange 41 of the back-to-back double-slot steel structure 4 and the carrier 5) also changes accordingly, thereby achieving the purpose of flexibly adjusting the clamping force according to actual needs.

[0077] One end of the connector 31 is fixed relative to the first stopper 1, ensuring that the connector 31 and the first stopper 1 do not move relative to each other. This allows the first stopper 1 to transmit force and position information through the connector 31. For example, the connector 31 and the first stopper 1 can be tightly connected together through welding, bolting, etc. The other end of the connector 31 passes through the second stopper 2, providing guidance and support for the movement of the second stopper 2, allowing the second stopper 2 to move along the axial direction of the connector 31.

[0078] The fixing member 32 is mounted on the end of the connecting member 31 that extends beyond the second stop 2. The fixing member 32 is flexible and can be adjusted at this end of the connecting member 31 according to actual needs. Furthermore, the fixing member 32 can be fixed at a third preset position, which is a suitable position predetermined based on specific work requirements and the object being fixed. The fixing member 32 typically takes the form of a nut, a retaining ring, or the like, and is secured by tightening or clamping.

[0079] Specifically, when adjusting the distance between the first stop 1 and the second stop 2, the key to this adjustment lies in the fixing member 32. By moving the fixing member 32 relative to the end of the connector 31, the second stop 2 will be displaced axially along the connector 31 due to the interaction between the fixing member 32 and the second stop 2 (for example, the fixing member 32 may contact the second stop 2 and restrict its movement). Because the first stop 1 and the connector 31 are relatively fixed and do not move with the movement of the second stop 2, the distance between the first stop 1 and the second stop 2 can be changed. For example, if the fixing member 32 is moved away from the first stop 1, the second stop 2 will also move away from the first stop 1, increasing the distance between them; otherwise, the distance between them will decrease. It should be noted that the change in the distance between the first stop 1 and the second stop 2 directly affects the clamping force applied to the clamped object (e.g., the flange 41 of the back-to-back double-channel steel structure 4 and the carrier 5). When the separation distance decreases, the first stopper 1 and the second stopper 2 will squeeze the clamped object more tightly, thereby increasing the clamping force and making the object more secure. When the separation distance increases, the clamping force will decrease accordingly. In this way, the clamping force of the first stopper 1 and the second stopper 2 on the object can be flexibly adjusted according to actual needs, such as the weight of the transformer and the amount of external forces that may be encountered in the working environment, to ensure that the transformer can be stably fixed in various situations.

[0080] In the above embodiment, see Figure 2 As shown, the connecting member 31 includes a first portion 311 and a second portion 312 , and the first portion 311 and the second portion 312 are detachably connected.

[0081] In this embodiment, by setting the connecting member 31 as a first part 311 and a second part 312 of a split structure, and making the first part 311 and the second part 312 detachably connected, the first stop part 1 and the second stop part 2 can be disassembled and assembled, so that the transformer installation operation can be performed in steps, reducing the difficulty of installation.

[0082] Among them, the first part 311 includes a lock mounting block and a lock, the lock mounting block is arranged at the end of the first stop part 1, and the lock is rotatably arranged on the lock mounting block; the second part 312 includes a lock hook fixing block and an adjusting rod, the adjusting rod is used to pass through the second stop part 2, the lock hook fixing block is arranged at the end of the adjusting rod close to the first stop part 1, and a lock hook is fixed on the lock hook fixing block, and the lock hook is used to accurately hook the rotatable lock when the first stop part 1 and the second stop part 2 are close to each other, so as to achieve a stable connection between the two.

[0083] Specifically, when the spacing between the first stop 1 and the second stop 2 needs to be adjusted, the position of the adjustment rod in the second stop 2 can be manipulated to drive the lock hook fixing block and the lock hook to move to adapt to different installation requirements. This design not only provides a convenient and reliable method for connecting the first part 311 and the second part 312, but also allows the relative position of the two parts to be flexibly adjusted through the adjustment rod, thereby optimizing the fixing effect of the first stop 1 and the second stop 2 on the transformer base and other components. In the complex and changing power facility installation environment, it demonstrates good adaptability and practicality, ensuring the stable operation of the entire fixing device and guaranteeing the safe and reliable operation of the transformer.

[0084] In some possible implementations disclosed in this application, see Figure 2 As shown, the portion where the first stop portion 1 abuts against the flange 41 is a planar structure, and the portion where the second stop portion 2 abuts against the carrier 5 is also a planar structure.

[0085] In this embodiment, the planar structure provides a larger contact area when in contact with the flange 41 and the carrier 5. Compared to point contact or line contact, the larger contact area can evenly distribute the force on the contact surface, avoiding local stress concentration, thereby reducing the risk of damage to the flange 41 and the carrier 5, and also improving the clamping stability of the stopper.

[0086] In some possible implementations disclosed in this application, see Figure 2 As shown, the first stopper 1 and the second stopper 2 are hollow structures.

[0087] In this embodiment, the hollow structure significantly reduces material usage without affecting the essential functionality of the stopper, thereby reducing the weight of the entire device. This is particularly important for equipment that must be installed in a specific location and has certain weight restrictions. For example, in some electrical equipment that is sensitive to the weight of installed components, a lighter stopper helps reduce the overall load and improve the stability and safety of the equipment.

[0088] Here, the telescopic tube constituting the stopper is a hollow square steel tube.

[0089] It is easy for those skilled in the art to understand that, under the premise of no conflict, the above-mentioned advantageous methods can be freely combined and superimposed.

[0090] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application. The above are merely preferred embodiments of the present application. It should be noted that those skilled in the art may make various improvements and variations without departing from the technical principles of the present application, and such improvements and variations shall also be considered within the scope of protection of the present application.

Claims

1. A fixing device suitable for transformer base with back-to-back double-slot steel structure, characterized in that: include: A first stopper (1), a second stopper (2), and a locking portion (3); The first stopper (1) abuts against the flange (41) of the back-to-back double-channel steel structure (4) and is located on the first direction side of the flange (41), and is used to limit the flange (41) in the first direction; The second stop portion (2) abuts against the carrier (5) and is located on a side of the carrier (5) facing away from the flange (41), and is used to limit the carrier (5) in a direction opposite to the first direction; One end of the locking portion (3) is connected to the first stop portion (1), and the other end is connected to the second stop portion (2). The locking portion (3) is used to drive the first stop portion (1) and the second stop portion (2) to move toward or away from each other. When the first stop portion (1) and the second stop portion (2) move toward each other, the flange (41) and the carrier (5) can be clamped and fixed.

2. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 1 is characterized in that: The lengths of the first stop portion (1) and the second stop portion (2) are adjustable.

3. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 2 is characterized in that: The first stopper (1) comprises: Two first telescopic tubes (11) arranged opposite to each other along the length direction of the flange (41) and two first clamping strips (12) arranged opposite to each other on the outer peripheral sides of the first telescopic tubes (11); The two first telescopic tubes (11) can move between the two first clamping strips (12) along the length direction of the flange (41) and can be fixed at a first preset position.

4. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 3 is characterized in that: A first card slot (121) is provided on the first card strip (12), and the first card slot (121) extends along the length direction of the flange (41); a first through hole (111) is provided in the first telescopic tube (11) at a position relative to the first card slot (121), and the first through hole (111) passes through the first telescopic tube (11) and is in communication with the first card slot (121); The first stopper (1) further comprises: A first bolt assembly (13), comprising a first bolt and a first nut, wherein the first bolt is configured to sequentially pass through the first slot (121) on one of the first clamping strips (12), the first through hole (111) of the first telescopic tube (11), and the corresponding first slot (121) on another of the first clamping strips (12); the first nut is arranged at the protruding end of the first bolt; and when the first nut is tightened, the two first clamping strips (12) are brought closer to each other and the two first telescopic tubes (11) are clamped and fixed at the first preset position between the two first clamping strips (12).

5. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 2 is characterized in that: The second stopper (2) comprises: Two second telescopic tubes (21) arranged opposite to each other along the length direction of the flange (41) and two second clamping strips (22) arranged opposite to each other on the outer peripheral sides of the second telescopic tubes (21); The two second telescopic tubes (21) can move between the two second clamping strips (22) along the length direction of the flange (41) and can be fixed at a second preset position.

6. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 5 is characterized in that: A second card slot (221) is provided on the second card strip (22), the second card slot (221) extending along the length direction of the flange (41), a second through hole (211) is provided in the second telescopic tube (21) at a position relative to the second card slot (221), the second through hole (211) passes through the second telescopic tube (21) and is in communication with the second card slot (221); The second stopper (2) further comprises: A second bolt assembly (23), the second bolt assembly (23) comprises a second bolt and a second nut, the second bolt being configured to sequentially pass through the second clamping groove (221) on one second clamping strip (22), the second through hole (211) of the second telescopic tube (21), and the corresponding second clamping groove (221) on another second clamping strip (22), the second nut being sleeved on the protruding end of the second bolt, and the second nut being configured to, when tightened, bring the two second clamping strips (22) closer to each other and clamp the two second telescopic tubes (21) to the second preset position between the two second clamping strips (22).

7. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 1 is characterized in that: The locking portion (3) comprises: Connecting member (31) and fixing member (32); One end of the connecting member (31) is fixed relative to the first stop portion (1), and the other end passes through the second stop portion (2). The fixing member (32) is sleeved on the outlet end of the connecting member (31) and is movable on the outlet end of the connecting member (31) and fixed at a third preset position to limit the second stop portion (2) in the opposite direction of the first direction.

8. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 7 is characterized in that: The connecting member (31) comprises a first part (311) and a second part (312), wherein the first part (311) and the second part (312) are detachably connected.

9. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 1 is characterized in that: The portion where the first stopper (1) abuts against the flange (41) is a planar structure, and the portion where the second stopper (2) abuts against the carrier (5) is also a planar structure.

10. The fixing device for transformer base with back-to-back double-slot steel structure according to claim 1, characterized in that: The first stopper (1) and the second stopper (2) are hollow structures.

Images