Transformer rack with safety performance

Abstract

This invention discloses a transformer platform with safety features, relating to the field of transformer platform technology. The invention includes two horizontal frames fixedly connected by bolts. Locking clamps for fixing to utility poles are provided on both sides of the top of each horizontal frame. A platform body is fixed to the top of the two horizontal frames. A pulling device is provided on the top of the platform body. The pulling device includes a U-shaped frame slidably mounted on the top of the platform body and a screw rotatably mounted on one side of the top of the platform body. A screw block is threaded onto the external part of the screw. This invention, through the pulling device, utilizes the transformer's heat sink and swing plate to guide the transformer into position rather than impact it, avoiding equipment loss of control or structural damage caused by forced pulling. It enables precise operation from a distance, eliminating the need for workers to risk reaching out to straighten the transformer when it sways or is nearby, and completely avoiding the risks of being crushed by heavy objects or losing balance at height.

Description

Technical Field

[0001] This invention relates to the field of transformer stand technology, specifically to a transformer stand with safety features. Background Technology

[0002] A transformer platform is a device used to support and install transformers, typically made of corrosion-resistant and robust materials. It not only provides stable support but also facilitates maintenance and inspection. The platform's design takes into account the transformer's weight and electrical safety, ensuring the transformer's safety and reliability during operation. Widely used in power systems, substations, and various industrial facilities, it is an important component of modern power infrastructure.

[0003] Chinese patent CN211578531U discloses a transformer platform with safety features, including a first ring hoop, a second ring hoop, a third ring hoop, a support plate, a stabilizer, a rotating rod, a bell, a bird-repelling mirror, a disc, a mounting rod, and a bird-repelling flag. The first ring hoop is installed on the upper side of the annular side of the utility pole, the second ring hoop is installed on the lower side of the first ring hoop, and the third ring hoop is installed on the lower side of the annular side of the utility pole. The stabilizer is installed on the left side of the annular side of the first ring hoop, and the support plate is installed on the left side of the annular side of the second ring hoop. This design solves the problem of insufficient stability in the original transformer installation. The rotating rod is installed inside the fixed base, the disc is fixed to the upper end of the rotating rod, a bell is tied to the lower side of the connecting rope, and a bird-repelling mirror is installed on the outer side of the crossbar. This design solves the problem of the original transformer lacking bird protection function. This patent has a reasonable structure, facilitates the secure installation of the transformer, and has a good bird-repelling effect.

[0004] However, the current transformer platform has the following problems: During the installation of the transformer, since the transformer is moved by a crane, when the crane moves the transformer to the vicinity of the transformer platform, workers often need to pull the lifted transformer and place it on the platform. However, since the transformer is far away from the workers, the workers cannot effectively judge the direction and position of the transformer, which increases the chance of collision or other accidental injuries. Therefore, we propose a transformer platform with safety performance. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the present invention provides a transformer stand with safety performance, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a transformer platform with safety performance, comprising two crossbeams fixedly connected by bolts, with locking clamps on both sides of the top of the two crossbeams for fixing to utility poles, a platform body fixed to the top of the two crossbeams, a pulling device on the top of the platform body, the pulling device comprising a U-shaped frame slidably mounted on the top of the platform body and a screw rotatably mounted on one side of the top of the platform body, a screw block connected to the external thread of the screw block, the screw block being fixed to the outer wall of the U-shaped frame, L-shaped inclined frames fixed to both sides of the top of the U-shaped frame, a swing plate hinged between the front of the two L-shaped inclined frames and the U-shaped frame, a torsion spring between the swing plate and the L-shaped inclined frame, and a baffle fixed to the front of the two L-shaped inclined frames and the U-shaped frame.

[0007] According to the above technical solution, the baffle is used to limit the movement trajectory of the swing plate, and a gap is left between the middle support rod of the U-shaped frame and the main body of the platform.

[0008] According to the above technical solution, an L-shaped abutment rod is fixed to the bottom front side of the U-shaped frame, and strip grooves are opened on both sides of the top of the main body of the platform. A U-shaped connecting frame is slidably installed inside the strip groove of the main body of the platform. A spring is provided between the U-shaped connecting frame and the bottom of the main body of the platform, and a rotating roller is rotatably installed on the inner side of the U-shaped connecting frame.

[0009] According to the above technical solution, the top of the L-shaped abutment rod is trapezoidal, the bottom of the U-shaped connecting frame is semi-arc, and the semi-arc of the U-shaped connecting frame is located on the trajectory of the trapezoidal inclined surface of the L-shaped abutment rod.

[0010] According to the above technical solution, a number of blocks are evenly and equidistantly fixed on the top rear side of the main body of the test stand, and the blocks are used to limit the position of the transformer.

[0011] According to the above technical solution, two through slots are opened in the middle of the top surface of the main body of the test stand, and a positioning device is provided in the middle of the main body of the test stand. The positioning device includes two positioning blocks that are slidably installed in the two through slots of the main body of the test stand. A connecting plate is fixed between the bottom of the two positioning blocks, and a spring is provided between the connecting plate and the bottom of the main body of the test stand.

[0012] According to the above technical solution, a pre-centering device is provided on the top of the main body of the platform. The pre-centering device includes two side frames, which are respectively fixed on the top two sides of the U-shaped frame. An elastic telescopic frame is fixed on the top front side of each of the two side frames. A concave roller is rotatably installed between the telescopic ends of the two elastic telescopic frames. A limiting component for limiting the position of the telescopic ends of the elastic telescopic frames is provided at the L-shaped inclined frame.

[0013] According to the above technical solution, the limiting component includes an elastic telescopic rod fixed to the top of the U-shaped frame. The telescopic end of the elastic telescopic rod extends vertically through the L-shaped inclined frame. An L-shaped limiting rod is fixed to the top of the elastic telescopic rod. A protrusion for locking the telescopic end of the elastic telescopic frame is fixed to the top of the L-shaped limiting rod. The vertical support of the L-shaped limiting rod extends vertically through the L-shaped inclined frame.

[0014] This invention provides a transformer stand with safety features. It has the following beneficial effects:

[0015] (1) By setting up a pulling device, the present invention uses the heat sink of the transformer and the swing plate to guide the transformer into place instead of impacting it, avoiding equipment loss of control or structural damage caused by forced pulling, and realizing precise operation at a distance. The staff does not need to risk reaching out to straighten the transformer when it is shaking or close, and completely avoids the risk of being squeezed by heavy objects or losing balance at high altitude. Compared with traditional pure hoisting operations, the pulling device brings significant engineering optimization in terms of safety, accuracy and efficiency. At the same time, after the transformer is placed on the rotating roller, the staff only needs a small force (even a single person) to push the transformer to make fine adjustments in position in the front, back and left and right directions to align with the mounting hole for installation. This avoids the problem of serious scratches on the surface of the main body of the platform caused by directly dragging the transformer, which damages the anti-corrosion layer of the main body of the platform. In addition, in the traditional installation of transformers, if the transformer is placed at a slight tilt, the edge of the transformer base is easily bumped and deformed by the main body of the platform. The arc contact surface of the rotating roller plays a guiding role, allowing the transformer base to slide in smoothly and protecting the integrity of the transformer structure.

[0016] (2) By setting up a positioning device, the positioning block, the main body of the frame, and the connecting plate cooperate. When the transformer moves between the two positioning blocks, under the action of the spring force corresponding to the connecting plate, the connecting plate drives the two positioning blocks to reset and move upward, so that the two positioning blocks are stuck on both sides of the bottom support of the transformer. This allows the workers to quickly complete the installation of the transformer, thus avoiding the problem in traditional operations where workers need to adjust the left and right deviations and repeatedly observe, measure, and pry the transformer to see if it is centered in the air.

[0017] (3) By setting up a pre-centering device, the present invention enables the screw, screw block, U-shaped frame, side frame and elastic telescopic frame to work together to drive the concave surface of the concave roller to first contact the hoisting rope of the crane. The concave surface of the concave roller will guide the hoisting rope of the crane to move towards the center of the concave roller, thereby enabling the hoisting rope of the crane to guide the transformer to be centered in the center of the U-shaped frame. This is equivalent to completing the rough adjustment of the lateral position before the transformer contacts the main body of the platform, which greatly reduces the amount of adjustment required for the transformer to be pushed left and right on the main body of the platform. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the entire invention. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the entire invention. Figure 2 ;

[0020] Figure 3 This is a schematic diagram of the pulling device of the present invention. Figure 1 ;

[0021] Figure 4 This is a schematic diagram of the pulling device of the present invention. Figure 2 ;

[0022] Figure 5 This is a partial structural schematic diagram of the pulling device of the present invention;

[0023] Figure 6 This is a schematic diagram of the positioning device of the present invention. Figure 1 ;

[0024] Figure 7 This is a schematic diagram of the positioning device of the present invention. Figure 2 ;

[0025] Figure 8 This is a schematic diagram of the pre-centering device of the present invention.

[0026] In the diagram: 1. Horizontal frame; 2. Locking clamp; 3. Main frame; 4. Pulling device; 41. U-shaped frame; 42. Screw block; 43. Screw; 44. L-shaped inclined frame; 45. Swing plate; 46. Baffle; 47. U-shaped connecting frame; 48. Rotating roller; 49. L-shaped abutment rod; 410. Stop block; 5. Positioning device; 51. Positioning block; 52. Connecting plate; 6. Pre-centering device; 61. Side frame; 62. Elastic telescopic frame; 63. Concave roller; 64. Elastic telescopic rod; 65. L-shaped limiting rod. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0028] Please see Figure 1 - Figure 8One embodiment of the present invention is as follows: a transformer platform with safety performance includes two horizontal frames 1 fixedly connected by bolts. Locking clamps 2 for fixing to utility poles are provided on both sides of the top of the two horizontal frames 1. A platform body 3 is fixed to the top of the two horizontal frames 1. A pulling device 4 is provided on the top of the platform body 3. The pulling device 4 includes a U-shaped frame 41 slidably mounted on the top of the platform body 3 and a screw 43 rotatably mounted on one side of the top of the platform body 3. A screw block 42 is threaded onto the outside of the screw 43 and fixed to the outer wall of the U-shaped frame 41. L-shaped inclined frames 44 are fixed to both sides of the top of the U-shaped frame 41. The two L-shaped inclined frames 44 are connected to the U-shaped frame 41. A swing plate 45 is hinged to the front side of each frame 41. A torsion spring is provided between the swing plate 45 and the L-shaped inclined frame 44. A baffle 46 is fixed to the front side of each of the two L-shaped inclined frames 44 and the U-shaped frame 41. The baffle 46 is used to limit the movement trajectory of the swing plate 45. A gap is left between the middle support rod of the U-shaped frame 41 and the main body 3 of the platform. With the above structure, the transformer is guided into place by the cooperation of the transformer's heat sink and the swing plate 45, avoiding equipment loss of control or structural damage caused by forced pulling. It realizes remote precision operation. The staff does not need to risk reaching out to straighten the transformer when it is shaking or close, and completely avoids the risk of being squeezed by heavy objects or losing balance at high altitude.

[0029] An L-shaped abutment rod 49 is fixed to the bottom front side of the U-shaped frame 41. Strip grooves are opened on both sides of the top of the main body 3. A U-shaped connecting frame 47 is slidably installed inside the strip groove of the main body 3. A spring is provided between the U-shaped connecting frame 47 and the bottom of the main body 3. A rotating roller 48 is rotatably installed on the inner side of the U-shaped connecting frame 47. The top of the L-shaped abutment rod 49 is trapezoidal, and the bottom of the U-shaped connecting frame 47 is semi-arc. The semi-arc of the U-shaped connecting frame 47 is located on the trajectory of the trapezoidal inclined surface of the L-shaped abutment rod 49. With the above structure, the worker only needs a small force to push the transformer to make fine adjustments to its position in the front, back, left, and right directions to align with the mounting hole for installation.

[0030] Several blocks 410 are evenly and equidistantly fixed on the top rear side of the main body 3 of the platform. The blocks 410 are used to limit the position of the transformer.

[0031] Two through slots are opened in the middle of the top surface of the main body 3 of the test stand. A positioning device 5 is set in the middle of the main body 3 of the test stand. The positioning device 5 includes two positioning blocks 51 that are slidably installed in the two through slots of the main body 3 of the test stand. A connecting plate 52 is fixed between the bottom of the two positioning blocks 51. A spring is provided between the connecting plate 52 and the bottom of the main body 3 of the test stand. With the above structure, the two positioning blocks 51 are locked on both sides of the bottom support of the transformer, so that the workers can quickly complete the installation of the transformer. This avoids the problem that workers need to adjust the left and right deviations and repeatedly observe, measure and pry the transformer to see if it is centered at high altitude in traditional operations.

[0032] In operation, the operator uses a crane to lift the transformer and position it near the main body 3 of the support frame. When the transformer is a certain distance from the main body 3 and the operator on the utility pole is far from the transformer, the operator on the pole rotates the screw 43. The screw 43 drives the screw block 42, which in turn moves the U-shaped frame 41 forward. The U-shaped frame 41 then moves the L-shaped inclined frame 44 and the swing plate 45 accordingly. When the swing plate 45 moves to the lifted transformer, the heat sink on the edge of the lifted transformer will oscillate against the swing plate 45 until the swing plate 45 passes over the heat sink on the edge of the transformer. Then, the operator on the pole rotates the screw 43 in the opposite direction, which drives the screw block 42 to move the U-shaped frame 44 forward. As the frame 41 moves backward, the U-shaped frame 41 drives the L-shaped inclined frame 44 and the swing plate 45 to move as well. At this time, since the baffle 46 restricts the swing direction of the swing plate 45, the swing plate 45 pushes the heat sink on the edge of the transformer, causing the transformer to move towards the main body of the platform 3. By using the heat sink of the transformer and the swing plate 45 in conjunction, the transformer is guided into place rather than impacted, avoiding equipment loss of control or structural damage caused by forced pulling. This enables precise operation from a distance, and the staff does not need to risk reaching out to straighten the transformer when it is swaying or close to it. It completely avoids the risk of being squeezed by heavy objects or losing balance at high altitude. Compared with traditional pure hoisting operations, this pulling device 4 brings significant engineering optimization in terms of safety, accuracy and efficiency.

[0033] During the forward displacement of the U-shaped frame 41 driven by the screw 43 and the screw block 42, the U-shaped frame 41 moves the L-shaped contact rod 49. The trapezoidal inclined surface of the L-shaped contact rod 49 pushes the semi-circular shape of the U-shaped connecting frame 47, causing the U-shaped connecting frame 47 to move upward along the strip groove of the main body 3. The U-shaped connecting frame 47 then moves the rotating roller 48, causing the rotating roller 48 to pass over the top horizontal plane of the main body 3. During the backward displacement of the U-shaped frame 41 driven by the screw 43 and the screw block 42, and the subsequent movement of the L-shaped contact rod 49 driven by the U-shaped frame 41, the trapezoidal shape of the L-shaped contact rod 49 is still abutting against the U-shaped connecting frame 47. Therefore, the rotating roller 48 is still in the state of passing over the top horizontal plane of the main body 3. 5. During the process of pushing the transformer along the heat sink at the edge of the transformer towards the main body of the platform 3, the transformer will fall onto the rotating roller 48. After the transformer falls onto the rotating roller 48, the worker only needs a small amount of force (even a single person) to push the transformer to make slight adjustments to its position in all directions to align it with the mounting hole for installation. This avoids the problem of serious scratches on the surface of the main body of the platform 3 caused by directly dragging the transformer, which would damage the anti-corrosion layer on the surface of the main body of the platform 3. In addition, in the traditional installation of transformers, if the transformer is placed at a slight tilt, the edge of the transformer base is easily bumped and deformed by the main body of the platform 3. The arc contact surface of the rotating roller 48 plays a guiding role, allowing the transformer base to slide in smoothly and protecting the integrity of the transformer structure.

[0034] It should be noted that since the transformer will be lifted by a crane, the overall weight of the transformer is supported by the crane, which makes it easier for the staff to adjust the position of the transformer on the main body 3 of the platform.

[0035] It should also be noted that when the U-shaped frame 41 moves the L-shaped contact rod 49 to the rear, and the trapezoid of the L-shaped contact rod 49 no longer abuts against the bottom surface of the U-shaped connecting frame 47, the U-shaped connecting frame 47 will reset under the action of the corresponding spring force. The U-shaped connecting frame 47 will drive the rotating roller 48 to move downward along the strip groove of the main body 3 of the platform, and at this time the transformer will fall on the main body 3 of the platform.

[0036] It should also be noted that the gap between the U-shaped frame 41 and the main body of the platform 3 allows the stop block 410, the rotating roller 48 and the positioning block 51 to pass through.

[0037] After the transformer is placed on the main body 3 of the platform, when the transformer's left and right positions deviate, the transformer will press against one of the positioning blocks 51 and move downwards along the opening of the main body 3 of the platform. The positioning block 51 drives the connecting plate 52 to move downwards, and the spring corresponding to the connecting plate 52 is stretched. At this time, the staff can push the transformer left and right to adjust the position of the transformer. When the transformer moves between the two positioning blocks 51, the transformer will no longer press against the positioning blocks 51. Under the action of the spring force corresponding to the connecting plate 52, the connecting plate 52 drives the two positioning blocks 51 to reset and move upwards, so that the two positioning blocks 51 are stuck on both sides of the bottom support of the transformer. This allows the staff to quickly complete the installation of the transformer, thus avoiding the problem in traditional operations where staff need to adjust the left and right deviations and repeatedly observe, measure, and pry the transformer to see if it is centered at high altitude.

[0038] Please see Figure 1 - Figure 8Based on the above embodiments, in another embodiment of the present invention, a pre-centering device 6 is provided on the top of the main body 3 of the platform. The pre-centering device 6 includes two side frames 61, which are respectively fixed on the top two sides of the U-shaped frame 41. An elastic telescopic frame 62 is fixed on the top front side of each of the two side frames 61. A concave roller 63 is rotatably installed between the telescopic ends of the two elastic telescopic frames 62. A limiting component for limiting the position of the telescopic ends of the elastic telescopic frames 62 is provided at the L-shaped inclined frame 44. The limiting component includes components fixed on the top of the U-shaped frame 41. The elastic telescopic rod 64 has its telescopic end vertically penetrating the L-shaped inclined frame 44. An L-shaped limiting rod 65 is fixed to the top of the elastic telescopic rod 64. A protrusion for locking the telescopic end of the elastic telescopic frame 62 is fixed to the top of the L-shaped limiting rod 65. The vertical support of the L-shaped limiting rod 65 vertically penetrates the L-shaped inclined frame 44. Through the above structure, the concave surface of the concave roller 63 will guide the hoisting rope of the crane to move towards the center of the concave roller 63, thereby making the hoisting rope guide the transformer to be centered in the center of the U-shaped frame 41.

[0039] In use, each time the screw 43 drives the screw block 42 to move the U-shaped frame 41 forward, the U-shaped frame 41 drives the concave roller 63 to move along with it through the side frame 61 and the elastic telescopic frame 62. The concave surface of the concave roller 63 will first contact the hoisting rope of the crane, and the concave surface of the concave roller 63 will guide the hoisting rope of the crane to move towards the center of the concave roller 63. This makes the hoisting rope of the crane guide the transformer to be centered in the center of the U-shaped frame 41. This is equivalent to completing the coarse adjustment of the lateral position before the transformer contacts the main body 3 of the platform, which greatly reduces the amount of subsequent left and right adjustment of the transformer on the main body 3 of the platform.

[0040] It should be noted that after the crane's hoisting rope guides the transformer to the center of the U-shaped frame 41, the worker pulls down the telescopic end of the elastic telescopic rod 64. The telescopic end of the elastic telescopic rod 64 drives the L-shaped limit rod 65 to move downward. The protrusion of the L-shaped limit rod 65 no longer restricts the telescopic end of the elastic telescopic frame 62. At this time, the telescopic end of the elastic telescopic frame 62 can retract. That is, as the U-shaped frame 41 continues to move forward, the U-shaped frame 41 will drive the L-shaped inclined frame 44 and the swing plate 45 to move along with it, while the concave roller 63 will come into contact with the crane's hoisting rope and stop moving. The telescopic end of the elastic telescopic frame 62 is compressed.

[0041] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A transformer stand with safety features, characterized in that: It includes two crossbeams (1) fixedly connected by bolts. Each of the two crossbeams (1) has locking clamps (2) on both sides of its top for fixing to a utility pole. A platform body (3) is fixed to the top of the two crossbeams (1). A pulling device (4) is provided on the top of the platform body (3). The pulling device (4) includes a U-shaped frame (41) slidably mounted on the top of the platform body (3) and a screw (43) rotatably mounted on one side of the top of the platform body (3). 43) has a screw block (42) connected to its external thread. The screw block (42) is fixed on the outer wall of the U-shaped frame (41). L-shaped inclined frames (44) are fixed on both sides of the top of the U-shaped frame (41). A swing plate (45) is hinged between the two L-shaped inclined frames (44) and the front side of the U-shaped frame (41). A torsion spring is provided between the swing plate (45) and the L-shaped inclined frame (44). A baffle (46) is fixed between the two L-shaped inclined frames (44) and the front side of the U-shaped frame (41).

2. A transformer platform with safety performance according to claim 1, characterized in that: The baffle (46) is used to limit the movement trajectory of the swing plate (45), and there is a gap between the middle support rod of the U-shaped frame (41) and the main body of the platform (3).

3. A transformer stand with safety performance according to claim 1, characterized in that: An L-shaped abutment rod (49) is fixed to the bottom front side of the U-shaped frame (41). A strip groove is opened on both sides of the top of the main body of the platform (3). A U-shaped connecting frame (47) is slidably installed inside the strip groove of the main body of the platform (3). A spring is provided between the U-shaped connecting frame (47) and the bottom of the main body of the platform (3). A rotating roller (48) is rotatably installed on the inner side of the U-shaped connecting frame (47).

4. A transformer stand with safety performance according to claim 3, characterized in that: The top of the L-shaped abutment rod (49) is trapezoidal, and the bottom of the U-shaped connecting frame (47) is semi-arc. The semi-arc of the U-shaped connecting frame (47) is located on the trajectory of the trapezoidal inclined surface of the L-shaped abutment rod (49).

5. A transformer stand with safety performance according to claim 1, characterized in that: Several blocks (410) are evenly and equidistantly fixed on the top rear side of the main body of the platform (3), and the blocks (410) are used to limit the position of the transformer.

6. A transformer platform with safety performance according to claim 1, characterized in that: Two through slots are provided in the middle of the top surface of the main body (3) of the platform. A positioning device (5) is provided in the middle of the main body (3). The positioning device (5) includes two positioning blocks (51) that are slidably installed in the two through slots of the main body (3). A connecting plate (52) is fixed between the bottoms of the two positioning blocks (51). A spring is provided between the connecting plate (52) and the bottom of the main body (3).

7. A transformer stand with safety performance according to claim 1, characterized in that: The top of the main body (3) of the platform is provided with a pre-centering device (6). The pre-centering device (6) includes two side frames (61). The two side frames (61) are respectively fixed on the top two sides of the U-shaped frame (41). The top front side of the two side frames (61) is fixed with an elastic telescopic frame (62). A concave roller (63) is rotatably installed between the telescopic ends of the two elastic telescopic frames (62). A limiting component for limiting the position of the telescopic ends of the elastic telescopic frame (62) is provided at the L-shaped inclined frame (44).

8. A transformer stand with safety performance according to claim 7, characterized in that: The limiting assembly includes an elastic telescopic rod (64) fixed to the top of the U-shaped frame (41). The telescopic end of the elastic telescopic rod (64) extends vertically through the L-shaped inclined frame (44). An L-shaped limiting rod (65) is fixed to the top of the elastic telescopic rod (64). A protrusion for locking the telescopic end of the elastic telescopic frame (62) is fixed to the top of the L-shaped limiting rod (65). The vertical support of the L-shaped limiting rod (65) extends vertically through the L-shaped inclined frame (44).

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