Device and construction method for hydraulic sliding propulsion of main transformer in place

Abstract

The invention belongs to the technical field of electric power engineering, and particularly relates to a main transformer hydraulic sliding propulsion in-place device and a construction method.The construction method comprises the following steps that S1, a special main transformer foundation is designed and built, the foundation is composed of four long-strip-shaped foundations, the length of each foundation is 7 m, the width of each foundation is 1 m, the depth of each foundation is 1.2 m, and each foundation is made of concrete; s2, before the main transformer enters the site, the road is leveled, and the periphery of the retaining wall is leveled and compacted; the construction method is more concise, the requirement for the construction environment is low, therefore, the cost is relatively low, the construction cost can be saved, the installation precision can be improved, after the main transformer is in place, it can be guaranteed that the axis and the center line of the main transformer are kept consistent through fine adjustment of the main transformer body, and the construction efficiency is improved. Therefore, the installation precision of the transformer is improved, and stable operation of a power system is ensured.

Description

Technical Field

[0001] The invention belongs to the technical field of electric power engineering, and in particular relates to a device and a construction method for hydraulically sliding and pushing a main transformer into position. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, secondary coil and iron core (magnetic core). Its main functions include: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. In the field of power engineering, the transformer is a key equipment in the power system, and its installation quality directly affects the stable operation of the power system.

[0003] In order to facilitate the installation of the transformer on the preset foundation platform, the prior art uses hydraulic sliding propulsion equipment to lift the transformer to a certain height, and then slowly push the transformer to the preset position through the hydraulic propulsion device. This method can effectively reduce the construction difficulty and improve the construction efficiency, and at the same time can also reduce the requirements for the bearing capacity and space of the foundation. However, in the past, the main transformer was often installed by burying the track to the foundation position, and the main transformer needed to be equipped with track wheels, or large-scale lifting equipment was used for lifting and installation. Therefore, the above installation method still has some problems and disadvantages;

[0004] First, it has high requirements on the construction environment, and the construction site needs to be strictly leveled and compacted to ensure the stability and reliability of the hydraulic propulsion device. Secondly, the existing hydraulic sliding propulsion equipment may cause certain damage to the transformer during the jacking and propulsion process, affecting its service life. In addition, the cost of the existing hydraulic sliding propulsion equipment is also relatively high, which increases the construction cost to a certain extent.

[0005] To this end, the present invention provides a device and a construction method for hydraulically sliding and pushing a main transformer into place. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] A method for using a device for hydraulically sliding and pushing a main transformer into place, the method adopts the above-mentioned device for hydraulically sliding and pushing a main transformer into place, and comprises the following steps:

[0008] S1: Design and build a special main transformer foundation, which consists of 4 long strip foundations, each of which is 7 meters long, 1 meter wide and 1.2 meters deep. The material is concrete and is cast in one piece with the oil collecting pool retaining wall concrete near the channel side to enhance stability;

[0009] S2: Before the main transformer enters the site, the road is leveled and the area around the retaining wall is leveled and compacted to facilitate the approach of the truck. The specific operation is to use a roller to compact the road 3 times with a compaction force of 5 tons each time to ensure the flatness and tightness of the road surface;

[0010] S3: The hydraulic flatbed truck carrying the main transformer can be parked on the side of the main transformer foundation retaining wall. The vehicle brakes after the center of the main transformer on the truck is basically consistent with the center of the foundation. The model of the hydraulic flatbed truck is XYZ-100, with a maximum load of 100 tons and a maximum travel speed of 50 kilometers per hour.

[0011] S4: Set up sleepers on the flatbed car and the main transformer foundation in the form of "#". The car plate and the foundation are on the same platform. The sleepers are made of hardwood, 2 meters in length, 0.3 meters in diameter, and 4 in number;

[0012] S5: Use four hydraulic jacks to slowly lift the main transformer. The model of the hydraulic jack is ABC-400, with a maximum lifting force of 400 tons and a lifting speed of 10 mm / min. After the height of the main transformer exceeds the sleeper platform, insert parallel rails at the center of the main transformer foundation. The rails are 50 meters long and 0.2 meters wide, and are made of carbon steel.

[0013] S6: Install a slide plate between the rail and the transformer. The equipment falls on the rail slide plate. The slide plate is made of polytetrafluoroethylene, with a length of 50 meters, a width of 0.2 meters, and a thickness of 0.05 meters.

[0014] S7: Install the hydraulic rail clamp baffle on the track, and use the hydraulic propulsion device to slowly push the main transformer forward. During this process, the output end and cylinder of the hydraulic propulsion device are alternately limited to ensure stable pushing operation. The model of the hydraulic propulsion device is DEF-600, with a maximum thrust of 600 tons and a pushing speed of 10 mm / min. During the pushing process, the sleepers and tracks that have passed through the main transformer are laid forward to the center of the main transformer axis;

[0015] S8: Push the main transformer slowly and steadily onto the transformer foundation platform. Stop pushing after the horizontal and vertical centers of the main transformer are aligned with the platform.

[0016] S9: Set up the jack placement platform at the four vertices again, and finally lift the main transformer to remove the rails and lower the main transformer to the foundation;

[0017] S10: Remove the rail slide and hydraulic propulsion device;

[0018] S11: Use a jack to slowly lift up the main transformer, remove the platform sleepers according to the actual height, and repeat the steps of lifting, removing the sleepers, and lowering. Repeat this cycle until the main transformer is lowered to the foundation. Finally, fine-tune the main transformer body to ensure that the axis is consistent with the center line of the main transformer. The main transformer is in place.

[0019] The technical solution adopted by the present invention to solve the technical problem is: the device for hydraulically sliding and pushing the main transformer into place described in the present invention comprises the steel rail in step S6, a hydraulic propulsion device arranged on the top of the steel rail, a mounting seat fixed to one side of the bottom of the hydraulic propulsion device, a connecting plate fixed to one end of the outer peripheral surface of the output end of the hydraulic propulsion device, a limiting block fixed to one end of the inner surface of the connecting plate and the two ends of the inner surface of the mounting seat, and an alternating positioning mechanism for limiting the hydraulic propulsion device, wherein the limiting block is slidably connected to the middle position of the two ends of the steel rail;

[0020] The alternating positioning mechanism includes an insertion component and a driving component.

[0021] Preferably, the plug-in assembly includes a shell fixed to the connecting plate and one end surface of the mounting seat, a rotating shaft rotatably connected to the top of the inner cavity surface of the shell, an incomplete gear fixedly sleeved on the bottom of the outer circumferential surface of the rotating shaft, a first rack meshing with the two incomplete gears on the side away from each other, a positioning shaft inserted inside the first rack at an adjacent position, an inserting shaft fixed to one end surface of the first rack, and a plurality of positioning holes penetrating through the middle position of the rail, the inserting shaft and the limit block at the adjacent position are connected in a penetrating inserting arrangement, and one end of the positioning shaft extends out of the outside of the first rack at the adjacent position and is fixed to the inner cavity surface of the shell.

[0022] Preferably, the driving assembly includes a first motor fixed to the top of one of the shells, a rotating rod rotatably connected to the side of the two shells close to each other, a first bevel gear fixedly sleeved on the top of the outer circumference of the rotating shaft, a second bevel gear fixedly sleeved on the outer circumference of the rotating rod, and a plug inserted into one of the rotating rods, one side of the plug is fixed to the surface of one side of the other rotating rod, the first bevel gear is meshingly connected to the second bevel gear at an adjacent position, and the top of one of the rotating shafts passes through the adjacent shell and is fixed to the output end of the first motor.

[0023] Preferably, the alternating positioning mechanism also includes a cleaning assembly for cleaning the inner cavity of the positioning hole, the cleaning assembly including a fixed plate fixed to one side of the shells, a rotating rod rotatably connected to one side of the shells at the top position of the fixed plate, a movable shaft rotatably connected to one side of the limit blocks, a fixed cylinder fixed at one end of the fixed plate, a connecting cylinder arranged at one end of the fixed cylinder, a connecting component acting on the rotating rod and the rotating rod and the rotating rod and the movable shaft, a connecting rod movably inserted at one end of the fixed cylinder, a plug disk fixed to one end of the connecting rod located inside the movable shaft, an interference component acting on the plug disk, a rotating component acting on the connecting cylinder, and a plurality of air outlet holes evenly opened at one end of the connecting cylinder and distributed equidistantly.

[0024] Preferably, the connecting component includes pulleys fixed to the position where the rotating rod extends out of the shell, the two ends of the outer circumference of the rotating rod and one side of the outer circumference of the movable shaft, and a connecting belt arranged at a middle position between two adjacent pulleys.

[0025] Preferably, the interference component includes a second rack arranged at the top of the plug column, a circular gear meshingly arranged at the top of the second rack, a limiting groove opened on the surface of the plug column at the bottom position of the second rack, and an interference bar slidably inserted into the limiting groove, the middle position of the circular gear is fixed to the outer circumferential surface of the rotating rod, one end of the connecting rod is fixed to the surface of the second rack, and the interference bar and the limiting groove are slidably connected.

[0026] Preferably, the rotating component includes a fourth bevel gear fixedly mounted on the outer circumferential surface of the connecting cylinder, a third bevel gear fixedly mounted on the other side of the outer circumferential surface of the movable shaft, an annular groove opened at one end of the fixed cylinder, and a sealing insert ring slidably inserted in the inner cavity of the annular groove, one end of the sealing insert ring passes through the annular groove and is fixed to the surface of one end of the connecting cylinder, and the third bevel gear and the fourth bevel gear are meshingly connected.

[0027] Preferably, the alternating positioning mechanism also includes a scraping component, which includes a fixed disk fixed at one end of one of the plug-in shafts, a second motor fixed to the inner cavity of the plug-in shaft, a rotating disk arranged at one end of the fixed disk, a plurality of scrapers arranged between the rotating disk and the fixed disk and distributed in an equidistant manner, an expansion component acting on the scraper, and a plug-in component for connecting a plurality of scrapers, and the output end of the second motor is fixed to the middle position of the rotating disk.

[0028] Preferably, the expansion component includes a plurality of rod grooves opened at one end of the fixed disk and arranged in an equidistant and circumferential manner, an embedded rod fixed in the inner cavity of the rod groove, a rod sleeve slidably sleeved on the outer circumference of the embedded rod, a resistance rod fixed at one end of the rod sleeve, and a connecting strip fixed at one end of the scraper plate through a plurality of resistance openings opened on the surface of the rotating disk and arranged in an equidistant and circumferential manner, one end of the resistance rod extends to the inner cavity position of the resistance opening at an adjacent position, one end of the connecting strip is fixed to the surface of the rod sleeve at an adjacent position, and the plug-in component includes an arcuate groove opened at one end of the scraper plate away from the rotating disk, and an arcuate plate slidably inserted in the arcuate groove, one end of the arcuate plate passes through the arcuate groove at an adjacent position and is fixed to the surface of the scraper plate at an adjacent position.

[0029] The beneficial effects of the present invention are as follows:

[0030] 1. The construction method of the present invention can slowly push the main transformer to a preset position, avoiding the high requirements of traditional lifting methods on foundation bearing capacity and space, reducing the construction difficulty, and the construction method is simple and easy. It only needs to compact and level the main transformer transportation channel, and there is no need for large-scale site transformation, which greatly improves the construction efficiency. During the entire construction process, the main transformer is always in a supported state, avoiding the safety risks that may be caused by the free fall of the transformer in the traditional lifting method, and also reduces the damage that may be caused to the transformer during the lifting and pushing process, extending the service life of the transformer. Compared with the existing construction method, the construction method of the present invention is simpler and has lower requirements on the construction environment. Therefore, its cost is relatively low, which is conducive to saving construction costs and improving installation accuracy. After the main transformer is in place, the construction method of the present invention will also ensure that the axis is consistent with the center line of the main transformer by fine-tuning the main transformer body, thereby improving the installation accuracy of the transformer and ensuring the stable operation of the power system.

[0031] 2. The present invention, through the action of the plug-in component and the driving component, fixes the cylinder of the hydraulic propulsion device when the output end of the hydraulic propulsion device needs to be active, and fixes the output end of the hydraulic propulsion device when the cylinder of the hydraulic propulsion device needs to be active, thereby making the process of propulsing the main transformer through the hydraulic propulsion device smoother, avoiding the need for the user to manually adjust the hydraulic propulsion device to ensure the continuous propulsion operation of the main transformer, thereby improving the convenience of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] Figure 1 The construction method flow of the main transformer hydraulic sliding push into place in the present invention Figure 1 ;

[0034] Figure 2 The construction method flow of the main transformer hydraulic sliding push into place in the present invention Figure 2 ;

[0035] Figure 3 It is a schematic diagram of the three-dimensional structure of the main transformer hydraulic sliding propulsion device in the present invention in the front view direction;

[0036] Figure 4 It is a schematic diagram of the three-dimensional structure of the main transformer hydraulic sliding propulsion device in the present invention in the rear view direction;

[0037] Figure 5 It is a three-dimensional structural schematic diagram of the partial structure of the hydraulic sliding propulsion positioning device for the main transformer in the present invention;

[0038] Figure 6 The present invention Figure 5 A schematic diagram of the structure enlargement at the center A;

[0039] Figure 7 The present invention Figure 5 A schematic diagram of the structure enlarged at B in the middle;

[0040] Figure 8 The present invention Figure 5 A schematic diagram of the structure enlarged at C in the middle;

[0041] Fig. 9 is a schematic cross-sectional view of the three-dimensional structure of the housing in the present invention;

[0042] Fig.10 It is a schematic cross-sectional view of the three-dimensional structure of the fixing cylinder and the connecting cylinder in the present invention;

[0043] Fig.11 It is a schematic exploded view of the three-dimensional structure of the insertion shaft in the present invention;

[0044] Fig.12 It is a schematic diagram of the three-dimensional structure of the scraper and the connecting strip in the present invention;

[0045] Fig.13 It is a schematic cross-sectional view of the local structure of the insertion shaft in the present invention.

[0046] In the figure: 1, rail; 2, hydraulic propulsion device; 3, mounting seat; 4, connecting plate; 5, limit block; 6, positioning hole; 7, housing; 8, fixing plate; 9, first motor; 10, rotating shaft; 11, incomplete gear; 12, rack; 13, positioning shaft; 14, plug shaft; 15, rotating rod; 16, first bevel gear; 17, second bevel gear; 18, plug column; 19, rotating rod; 20, pulley; 21, connecting belt; 22, fixing cylinder; 23, movable shaft; 24, first Three bevel gears; 25, connecting rod; 26, fourth bevel gear; 27, plug plate; 28, connecting tube; 29, air outlet; 30, annular groove; 31, sealing insert ring; 32, circular gear; 33, rack; 34, interference strip; 35, limiting groove; 36, fixed plate; 37, rod groove; 38, embedded rod; 39, rod sleeve; 40, interference rod; 41, rotating plate; 42, interference groove; 43, scraper; 44, connecting strip; 45, second motor; 46, arc groove; 47, arc plate. DETAILED DESCRIPTION

[0047] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0048] Embodiment 1:

[0049] like Figure 1 and Figure 2 As shown, the main transformer hydraulic sliding push-in-place construction method described in the present invention comprises the following steps:

[0050] S1: Design and build a special main transformer foundation, which consists of 4 long strip foundations, each of which is 50 meters long, 10 meters wide and 3 meters deep. The material is concrete and is cast in one piece with the oil collecting pool retaining wall concrete near the channel to enhance stability;

[0051] S2: Before the main transformer enters the site, the road is leveled and the area around the retaining wall is leveled and compacted to facilitate the approach of the truck. The specific operation is to use a roller to compact the road 3 times with a compaction force of 5 tons each time to ensure the flatness and tightness of the road surface;

[0052] S3: The hydraulic flatbed truck carrying the main transformer can be parked on the side of the main transformer foundation retaining wall. The vehicle brakes after the center of the main transformer on the truck is basically consistent with the center of the foundation. The model of the hydraulic flatbed truck is XYZ-100, with a maximum load of 100 tons and a maximum travel speed of 50 kilometers per hour.

[0053] S4: Set up sleepers on the flatbed car and the main transformer foundation in the form of "#". The car plate and the foundation are on the same platform. The sleepers are made of hardwood, 2 meters in length, 0.3 meters in diameter, and 4 in number;

[0054] S5: Use four hydraulic jacks to slowly lift the main transformer. The model of the hydraulic jack is ABC-400, with a maximum lifting force of 400 tons and a lifting speed of 10 mm / min. After the height of the main transformer exceeds the sleeper platform, insert parallel rails 1 at the center of the main transformer foundation. The length of rail 1 is 50 meters, the width is 0.2 meters, and the material is carbon steel.

[0055] S6: Install a slide plate between the rail 1 and the transformer, and the equipment falls on the rail slide plate. The slide plate is made of polytetrafluoroethylene, with a length of 7 meters, a width of 1 meter, and a thickness of 1.2 meters;

[0056] S7: Install the hydraulic rail clamp baffle on the track, and use the hydraulic propulsion device 2 to slowly push the main transformer forward. During this process, the output end and the cylinder of the hydraulic propulsion device 2 are alternately limited to ensure stable pushing operation. The model of the hydraulic propulsion device 2 is DEF-600, with a maximum pushing force of 600 tons and a pushing speed of 10 mm / min. During the pushing process, the sleepers and tracks that have passed through the main transformer are laid forward to the center of the main transformer axis;

[0057] S8: Push the main transformer slowly and steadily onto the transformer foundation platform. Stop pushing after the horizontal and vertical centers of the main transformer are aligned with the platform.

[0058] S9: Set up the jack placement platform at the four vertices again, and finally lift the main transformer to pull out the rail 1 and lower the main transformer to the foundation;

[0059] S10: Remove the rail slide and the hydraulic propulsion device 2;

[0060] S11: Use a jack to slowly lift up the main transformer, remove the platform sleepers according to the actual height, and repeat the steps of lifting, removing the sleepers, and lowering. Repeat this cycle until the main transformer is lowered to the foundation. Finally, fine-tune the main transformer body to ensure that the axis is consistent with the center line of the main transformer. The main transformer is in place.

[0061] Compared with the prior art, this technical solution can reduce the construction difficulty: the present invention adopts hydraulic sliding propulsion equipment to lift the main transformer to a certain height, and then slowly pushes the main transformer to a preset position through the hydraulic propulsion device 2, thereby avoiding the high requirements of the traditional lifting method on the foundation bearing capacity and space, and reducing the construction difficulty;

[0062] This construction method is simple and easy. It only requires compacting and leveling the main transformer transportation channel, without large-scale site reconstruction. It greatly improves construction efficiency and reduces safety risks. During the entire construction process, the main transformer is always in a supported state, avoiding the safety risks that may be caused by the free fall of the transformer in the traditional lifting method. At the same time, the use of hydraulic sliding propulsion equipment also reduces the damage that may be caused to the transformer during the jacking and propulsion process, and extends the service life of the transformer.

[0063] Compared with the existing hydraulic sliding propulsion equipment, the construction method of the present invention is simpler and has lower requirements for the construction environment. Therefore, its cost is relatively low, which is conducive to saving construction costs. After the main transformer is in place, the main transformer body is fine-tuned to ensure that the axis is consistent with the center line of the main transformer, thereby improving the installation accuracy of the transformer and ensuring the stable operation of the power system.

[0064] Embodiment 2:

[0065] like Figures 3 to 13 As shown, a device for hydraulically sliding and pushing a main transformer into place according to the present invention is applied to the above-mentioned method for hydraulically sliding and pushing a main transformer into place, comprising a rail 1 in step S6, a hydraulic propulsion device 2 arranged on the top of the rail 1, a mounting seat 3 fixed to one side of the bottom of the hydraulic propulsion device 2, a connecting plate 4 fixed to one end of the outer peripheral surface of the output end of the hydraulic propulsion device 2, a limiting block 5 fixed to one end of the inner surface of the connecting plate 4 and both ends of the inner surface of the mounting seat 3, and an alternating positioning mechanism for limiting the hydraulic propulsion device 2, wherein the limiting block 5 is slidably connected to the middle position of the two ends of the rail 1;

[0066] The alternating positioning mechanism includes an insertion component and a driving component;

[0067] Since the main transformer is pushed by the hydraulic propulsion device 2, the main transformer is placed on the top of the rail, and the output end of the hydraulic propulsion device 2 is extended so that the output end of the hydraulic propulsion device 2 can contact the surface of the main transformer and slide a certain distance toward the transformer base platform, and then the hydraulic propulsion device 2 is contracted so that the cylinder of the hydraulic propulsion device 2 moves toward the output end so that the length of the hydraulic propulsion device 2 is restored to the initial length. Alternating the above operations can intermittently push the main transformer step by step. However, in actual use, when the hydraulic propulsion device 2 is contracted so that the cylinder of the hydraulic propulsion device 2 moves toward the output end, It is easy for the output end of the hydraulic propulsion device 2 to separate from the main transformer and move into the cylinder of the hydraulic propulsion device 2, so that the user needs to manually adjust the output end of the hydraulic propulsion device 2 to reconnect with the main transformer after contraction to ensure the continuous propulsion operation of the main transformer, which makes the propulsion operation of the main transformer somewhat inconvenient. The alternating positioning mechanism can limit and fix the cylinder of the hydraulic propulsion device 2 when the output end of the hydraulic propulsion device 2 needs to be moved, and limit and fix the output end of the hydraulic propulsion device 2 when the cylinder of the hydraulic propulsion device 2 needs to be moved, so that the process of propulsing the main transformer by the hydraulic propulsion device 2 can be smoother.

[0068] like Figures 3 to 13 As shown, the plug-in assembly includes a shell 7 fixed to the connecting plate 4 and one end surface of the mounting seat 3, a rotating shaft 10 rotatably connected to the top of the inner cavity surface of the shell 7, an incomplete gear 11 fixedly sleeved on the bottom of the outer circumferential surface of the rotating shaft 10, a first rack 12 meshing with two incomplete gears 11 on the side away from each other, a positioning shaft 13 inserted inside the first rack 12 at an adjacent position, an inserting shaft 14 fixed to one end surface of the first rack 12, and a plurality of positioning holes 6 penetrating through the middle position of the rail 1, the inserting shaft 14 and the adjacent position limit block 5 are connected in a through-insertion arrangement, and one end of the positioning shaft 13 extends to the outside of the first rack 12 at the adjacent position and is fixed to the inner cavity surface of the shell 7;

[0069] When the output end of the hydraulic propulsion device 2 needs to extend in the horizontal direction, the rotating shaft 10 is rotated to rotate the incomplete gear 11, so that the incomplete gear 11 and the first rack 12 at the adjacent position are meshed, so that the first rack 12 is subjected to a force and slides in the horizontal direction under the support and limiting action of the positioning shaft 13, so that the plug shaft 14 close to the connecting plate 4 extends out of the interior of the positioning hole 6 at the adjacent position, and the plug shaft 14 close to the mounting seat 3 extends to the interior of the positioning hole 6, so that the cylinder of the hydraulic propulsion device 2 is in a limited state, and the output end of the hydraulic propulsion device 2 can be freely extended, so that the hydraulic propulsion device 2 can stably resist the surface of the main transformer and stably perform propulsion operations;

[0070] When it is necessary to extend the cylinder of the hydraulic propulsion device 2 in the horizontal direction, the plug shaft 14 close to the mounting seat 3 is extended out of the adjacent positioning hole 6, and the first bevel gear 16 close to the connecting plate 4 is extended to the adjacent positioning hole 6, thereby avoiding the situation where the output end of the hydraulic propulsion device 2 is away from the surface of the main transformer when the cylinder of the hydraulic propulsion device 2 slides in the horizontal direction, which is beneficial to the continuous propulsion operation of the main transformer, and in this process, the movable range of the output end of the hydraulic propulsion device 2 and the cylinder of the hydraulic propulsion device 2 is set so that its single movable range is the spacing range between the two positioning holes 6.

[0071] like Figures 3 to 13 As shown, the driving assembly includes a first motor 9 fixed to the top of one of the housings 7, a rotating rod 15 rotatably connected to the sides of the two housings 7 close to each other, a first bevel gear 16 fixedly sleeved on the top of the outer circumference of the rotating shaft 10, a second bevel gear 17 fixedly sleeved on the outer circumference of the rotating rod 15, and a plug 18 inserted into one of the rotating rods 15, one side of the plug 18 is fixed to the surface of one side of the other rotating rod 15, the first bevel gear 16 is meshedly connected with the second bevel gear 17 at the adjacent position, and the top of one of the rotating shafts 10 passes through the housing 7 at the adjacent position and is fixed to the output end of the first motor 9;

[0072] By starting the first motor 9, one of the first bevel gears 16 is rotated, so that one of the rotating rods 15 can be rotated under the meshing action between one group of first bevel gears 16 and the second bevel gear 17, so that the other rotating shaft 10 can be rotated under the connection action of the plug column 18 and the meshing action between another group of first bevel gears 16 and the second bevel gear 17, so that the two rotating shafts 10 can rotate synchronously. When it is necessary to alternately limit the output end of the hydraulic propulsion device 2 and the cylinder of the hydraulic propulsion device 2, the output end of the first motor 9 is controlled to rotate 180 degrees clockwise and counterclockwise in a cycle, and the angle difference of the two incomplete gears 11 during installation is 180 degrees, so that when the output end of the first motor 9 rotates 180 degrees clockwise and counterclockwise, one of the plug shafts 14 can move in the direction close to the adjacent position positioning hole 6, and the other plug shaft 14 can move in the direction away from the adjacent position positioning hole 6, thereby achieving the limiting effect on the output end and cylinder of the hydraulic propulsion device 2.

[0073] Although the above method solves the problem that when the cylinder of the hydraulic propulsion device 2 needs to slide in the horizontal direction, the output end of the hydraulic propulsion device 2 is easily separated from the main transformer and moves inside the cylinder of the hydraulic propulsion device 2, thereby requiring the user to manually adjust the reconnection of the output end of the hydraulic propulsion device 2 with the main transformer, in actual use, since the device is used in an outdoor environment, a certain amount of mud is easy to enter the inner cavity of the positioning hole 6 during long-term use. If the mud is not cleaned in time, the inner cavity of the positioning hole 6 will easily accumulate and affect the limiting effect of the hydraulic propulsion device 2.

[0074] For this reason, Figures 3 to 13 As shown, the alternating positioning mechanism also includes a cleaning assembly for cleaning the inner cavity of the positioning hole 6, the cleaning assembly includes a fixed plate 8 fixed to one side of one of the shells 7, a rotating rod 19 rotatably connected to one side of one of the shells 7 at the top position of the fixed plate 8, a movable shaft 23 rotatably connected to one side of one of the limit blocks 5, a fixed cylinder 22 fixed at one end of the fixed plate 8, a connecting cylinder 28 arranged at one end of the fixed cylinder 22, a connecting component acting on the rotating rod 15 and the rotating rod 19 and the rotating rod 19 and the movable shaft 23, a connecting rod 25 movably inserted at one end of the fixed cylinder 22, a plug disc 27 fixed to the connecting rod 25 at one end inside the movable shaft 23, an abutting component acting on the plug disc 27, a rotating component acting on the connecting cylinder 28, and a plurality of air outlet holes 29 uniformly opened at one end of the connecting cylinder 28 and arranged in an equidistant and surrounding manner;

[0075] When the output end of the hydraulic propulsion device 2 is limited, the plug shaft 14 will extend to the inner cavity of the adjacent positioning hole 6. Since the diameter of the plug shaft 14 is close to the hole diameter of the inner cavity of the limit block 5, when the plug shaft 14 extends to the inner cavity of the adjacent positioning hole 6, it will resist the soil placed in the inner cavity of the positioning hole 6 and move to the outside of the positioning hole 6, thereby cleaning the inner cavity of the positioning hole 6. After the output end of the hydraulic propulsion device 2 is released from the limit, it drives the connecting plate 4 and the adjacent position housing 7 to move in the horizontal direction, which will drive the fixing cylinder 22 and the connecting cylinder 28 to move in the horizontal direction, so that when the hydraulic propulsion device 2 stops, the connecting cylinder 28 will move to one end of the inner cavity of the positioning hole 6 after the plug shaft 14 has cleaned the inner cavity;

[0076] When the plug shaft 14 near the connecting plate 4 extends toward the inner cavity of the positioning hole 6 at the front end again, the setting of the connecting component enables the rotating rod 15 to rotate the rotating rod 19 and the movable shaft 23 when rotating. The rotation of the rotating rod 19 enables the interference component to drive the connecting rod 25 to drive the plug plate 27 to move toward the direction close to the connecting tube 28, thereby causing the air pressure in the inner cavity of the fixed tube 22 and the connecting tube 28 to change, so that air flow can be discharged from the air outlet 29 to the inner cavity of the positioning hole 6, so that under the action of the air flow, the fine sand and dust remaining in the inner cavity of the positioning hole 6 can be blown away from the inner cavity of the positioning hole 6. In this process, the rotating component can expand the activity range of the air flow discharged from the air outlet 29 to improve the cleaning effect of sand, dust, etc., and a filter is provided in the inner cavity of the air outlet 29 near the outside of the air outlet 29 to prevent external dust from entering the interior of the connecting tube 28.

[0077] like Figures 3 to 13 As shown, the connecting component includes a pulley 20 fixed to the position where the rotating rod 15 extends out of the housing 7 and the two ends of the outer circumference of the rotating rod 19 and one side of the outer circumference of the movable shaft 23, and a connecting belt 21 arranged at the middle position of the two adjacent pulleys 20;

[0078] When the rotating rod 15 rotates, the rotating rod 19 can be rotated under the action between one set of pulleys 20 and the connecting belt 21, so that the movable shaft 23 can be rotated under the meshing action between the other set of pulleys 20 and the connecting belt 21.

[0079] like Figures 3 to 13 As shown, the interference component includes a second rack 33 arranged at the top of the plug column 18, a circular gear 32 meshingly arranged at the top of the second rack 33, a limiting groove 35 opened on the surface of the plug column 18 at the bottom of the second rack 33, and an interference bar 34 slidably inserted in the limiting groove 35, the middle position of the circular gear 32 is fixed to the outer circumferential surface of the rotating rod 19, one end of the connecting rod 25 is fixed to the surface of the second rack 33, and the interference bar 34 and the limiting groove 35 are slidably connected.

[0080] When the rotating rod 19 rotates, it can drive the circular gear 32 to rotate, so that the circular gear 32 and the second rack 33 are meshed, so that the second rack 33 is subjected to a force and moves toward or away from the rail 1 under the interference and limitation between the interference bar 34 and the limit groove 35, so that the plug plate 27 can reciprocate in the inner cavity of the fixed tube 22 and the connecting tube 28, so that the air outlet hole 29 can discharge air into the inner cavity of the positioning hole 6.

[0081] like Figures 3 to 13As shown, the rotating component includes a fourth bevel gear 26 fixedly sleeved on the outer circumference of the connecting cylinder 28, a third bevel gear 24 fixedly sleeved on the other side of the outer circumference of the movable shaft 23, an annular groove 30 opened at one end of the fixed cylinder 22, and a sealing insert ring 31 slidably inserted in the inner cavity of the annular groove 30, one end of the sealing insert ring 31 passes through the annular groove 30 and is fixed to the surface of one end of the connecting cylinder 28, and the third bevel gear 24 and the fourth bevel gear 26 are meshingly connected;

[0082] When the movable shaft 23 rotates, it can drive the third bevel gear 24 to rotate, so that the connecting cylinder 28 can be subjected to a force under the connection between the third bevel gear 24 and the fourth bevel gear 26, so that the connecting cylinder 28 can rotate when the plug disc 27 moves toward the connecting cylinder 28 under the support and limitation of the annular groove 30 and the sealing insert ring 31, so that the air outlet 29 can make a circular motion, thereby expanding the range of activity of the air flow discharged from the air outlet 29.

[0083] Although the above method solves the problem that if the mud accumulated in the inner cavity of the positioning hole 6 is not cleaned in time, it is easy to affect the limiting effect of the hydraulic propulsion device 2, but when the insert shaft 14 is inserted into the inner cavity of the positioning hole 6 to push the mud accumulated in the inner cavity of the positioning hole 6 out of the inner cavity of the positioning hole 6, the mud is easy to accumulate at the position of the end of the rail 1 away from the shell 7 and close to the inner cavity of the positioning hole 6. Therefore, after the agglomerates are not cleaned for a long time, it is still easy to block one end of the inner cavity of the positioning hole 6 and affect the limiting effect of the hydraulic propulsion device 2.

[0084] For this reason, Figures 3 to 13 As shown, the alternating positioning mechanism also includes a scraping assembly, which includes a fixed disk 36 fixed at one end of one of the plug shafts 14, a second motor 45 fixed to the inner cavity of the plug shaft 14, a rotating disk 41 disposed at one end of the fixed disk 36, a plurality of scrapers 43 disposed between the rotating disk 41 and the fixed disk 36 and distributed in an equidistant manner, an expansion component acting on the scrapers 43, and a plug-in component for connecting the plurality of scrapers 43, and the output end of the second motor 45 is fixed to the middle position of the rotating disk 41;

[0085] By starting the second motor 45, the rotating disk 41 can rotate to a certain angle, so that the scraper 43 can expand toward the end of the inner cavity of the positioning hole 6 away from the shell 7 under the action of the expansion component, and cooperate with the plug-in component to scrape away the dust attached to the surface of the end of the rail 1 away from the shell 7 close to the positioning hole 6, thereby avoiding the occurrence of blockage at the end of the inner cavity of the positioning hole 6 away from the shell 7.

[0086] like Figures 3 to 13As shown, the expansion component includes a plurality of rod grooves 37 arranged at one end of a fixed disk 36 and arranged in an equidistant and circumferential manner, an embedded rod 38 fixed in the inner cavity of the rod groove 37, a rod sleeve 39 slidably sleeved on the outer circumference of the embedded rod 38, a resistance rod 40 fixed at one end of the rod sleeve 39, and a connecting strip 44 fixed at one end of a scraper 43 through a plurality of resistance openings 42 arranged in an equidistant and circumferential manner on the surface of a rotating disk 41, one end of the resistance rod 40 extends to the inner cavity of the resistance opening 42 at an adjacent position, and one end of the connecting strip 44 is fixed to the surface of the rod sleeve 39 at an adjacent position;

[0087] When the second motor 45 is started to rotate, it can drive the rotating disk 41 to rotate, so that under the interference effect of the inner cavity of the interference port 42 on the interference rod 40 and the limiting effect of the embedded rod 38 and the rod sleeve 39 on the interference rod 40, the interference rod 40 can move in the direction away from the middle position of the rotating disk 41, so that under the connection effect of the connecting strip 44, the scraper 43 can fit one end of the rail 1 away from the end surface of the shell 7 and move in the direction away from the inner cavity of the positioning hole 6, so that the scraper 43 can scrape off the mud accumulated at the inner cavity position of the positioning hole 6 of the rail 1, so that it no longer adheres to the inner cavity position of the positioning hole 6 near the surface of the rail 1. After the scraping operation is completed, the output end of the second motor 45 is controlled to rotate in the opposite direction to reset the scraper 43, so that the plug shaft 14 can drive the scraper 43 and the rotating disk 41 to pass through the positioning hole 6 and move to the other end.

[0088] like Figures 3 to 13 As shown, the plug-in component includes an arc groove 46 opened at one end of the scraper 43 away from the rotating disk 41 and an arc plate 47 slidably inserted in the arc groove 46, and one end of the arc plate 47 passes through the arc groove 46 at the adjacent position and is fixed to the surface of the scraper 43 at the adjacent position;

[0089] When the scraper 43 expands in the direction away from the positioning hole 6, the arc plate 47 can prevent gaps from appearing between the scrapers 43 at adjacent positions, so that the scraping range is in a complete circular shape, thereby being able to fully scrape the surface of the rail 1 at the end away from the shell 7 and close to the positioning hole 6, and the movement trajectory of the scraper 43 can be further limited by the interference between the inner cavity of the arc groove 46 and the arc plate 47 at the adjacent position.

[0090] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A construction method for hydraulic sliding and pushing the main transformer into place, characterized in that: The following steps are involved: S1: Design and construct the main transformer foundation, which consists of 4 long strips of concrete. The foundation is cast in one piece with the oil collecting pool retaining wall concrete near the channel to enhance stability. S2: Before the main transformer enters the site, the road is leveled and the area around the retaining wall is leveled and compacted to facilitate the approach of the truck. The specific operation is to use a roller to compact; S3: The hydraulic flatbed truck carrying the main transformer stops at the side of the main transformer foundation retaining wall, and the vehicle brakes after the center of the main transformer on the flatbed truck is aligned with the center of the foundation; S4: sleepers are set up on the car and the main transformer foundation in the form of "#", with the car and the foundation on the same platform, and the sleepers are made of hardwood; S5: Use four hydraulic jacks to slowly lift the main transformer. After the height of the main transformer exceeds the sleeper platform, insert parallel rails (1) at the center of the main transformer foundation cap. S6: Install a slide plate between the rail (1) and the transformer, and the device falls on the slide plate of the rail (1); S7: Install the hydraulic rail clamp baffle on the track, and use the hydraulic propulsion device (2) to slowly push the main transformer forward. During this process, the output end and the cylinder of the hydraulic propulsion device (2) are alternately limited to ensure that the propulsion operation is carried out stably. During the jacking process, the sleepers and tracks that have passed through the main transformer are laid forward to the center of the main transformer axis. S8: Push the main transformer slowly and steadily onto the transformer foundation platform. Stop pushing after the horizontal and vertical centers of the main transformer are aligned with the platform. S9: Set up the jack placement platform at the four vertices again, and finally lift the main transformer to remove the rails (1) and lower the main transformer to the foundation; S10: Remove the rail slide and the hydraulic propulsion device (2); S11: Use a jack to slowly lift up the main transformer, remove the platform sleepers according to the actual height, and repeat the steps of lifting, removing the sleepers, and lowering. Repeat this cycle until the main transformer is lowered to the foundation. Finally, fine-tune the main transformer body to ensure that the axis is consistent with the center line of the main transformer. The main transformer is in place.

2. A device for hydraulically sliding and pushing a main transformer into place, which is applied to a construction method for hydraulically sliding and pushing a main transformer into place as claimed in claim 1, characterized in that: The invention comprises a steel rail (1) in step S6, a hydraulic propulsion device (2) arranged on the top of the steel rail (1), a mounting seat (3) fixed to one side of the bottom of the hydraulic propulsion device (2), a mounting seat (3) fixed to one side of the bottom of the hydraulic propulsion device (2), a connecting plate (4) fixed to one end of the outer peripheral surface of the output end of the hydraulic propulsion device (2), a limiting block (5) fixed to one end of the inner surface of the connecting plate (4) and to both ends of the inner surface of the mounting seat (3), and an alternating positioning mechanism for limiting the hydraulic propulsion device (2), wherein the limiting block (5) is slidably connected to the middle position of the two ends of the steel rail (1); The alternating positioning mechanism includes an insertion component and a driving component.

3. The device for hydraulically sliding and pushing the main transformer into place according to claim 2 is characterized in that: The plug-in assembly comprises a shell (7) fixed to the connection plate (4) and one end surface of the mounting seat (3), a rotating shaft (10) rotatably connected to the top of the inner cavity surface of the shell (7), an incomplete gear (11) fixedly sleeved on the bottom of the outer circumferential surface of the rotating shaft (10), a first rack (12) meshed with two incomplete gears (11) on the side away from each other, a positioning shaft (13) inserted inside the first rack (12) at an adjacent position, an inserting shaft (14) fixed to one end surface of the first rack (12), and a plurality of positioning holes (6) penetrating and opened at the middle position of the rail (1), the inserting shaft (14) and the limit block (5) at the adjacent position are connected in a through-insertion arrangement, and one end of the positioning shaft (13) extends out of the first rack (12) at the adjacent position and is fixed to the inner cavity surface of the shell (7).

4. The device for hydraulically sliding and pushing the main transformer into place according to claim 3 is characterized in that: The driving assembly comprises a first motor (9) fixed to the top of one of the housings (7), a rotating rod (15) rotatably connected to the sides of the two housings (7) close to each other, a first bevel gear (16) fixedly sleeved on the top of the outer peripheral surface of the rotating shaft (10), a second bevel gear (17) fixedly sleeved on the outer peripheral surface of the rotating rod (15), and a plug (18) inserted into one of the rotating rods (15), one side of the plug (18) is fixed to the surface of one side of the other rotating rod (15), the first bevel gear (16) is meshingly connected to the second bevel gear (17) at an adjacent position, and the top of one of the rotating shafts (10) passes through the housing (7) at an adjacent position and is fixed to the output end of the first motor (9).

5. The device for hydraulically sliding and pushing the main transformer into place according to claim 4 is characterized in that: The alternating positioning mechanism also includes a cleaning assembly for cleaning the inner cavity of the positioning hole (6), the cleaning assembly including a fixed plate (8) fixed to one side of the shells (7), a rotating rod (19) rotatably connected to one side of the shells (7) and located at the top of the fixed plate (8), a movable shaft (23) rotatably connected to one side of the limit blocks (5), a fixed cylinder (22) fixed to one end of the fixed plate (8), and a connecting cylinder (23) arranged at one end of the fixed cylinder (22). 8), a connecting component acting on the rotating rod (15) and the rotating rod (19) and the rotating rod (19) and the movable shaft (23), a connecting rod (25) movably inserted at one end of the fixed tube (22), a plug disc (27) fixed to one end of the connecting rod (25) located inside the movable shaft (23), an abutting component acting on the plug disc (27), a rotating component acting on the connecting tube (28), and a plurality of air outlet holes (29) uniformly arranged at one end of the connecting tube (28) and arranged in an equidistant and surrounding manner.

6. The device for hydraulically sliding and pushing the main transformer into place according to claim 5, characterized in that: The connecting component comprises a pulley (20) fixed to a position where the rotating rod (15) extends outside the housing (7), two ends of the outer peripheral surface of the rotating rod (19), and one side of the outer peripheral surface of the movable shaft (23), and a connecting belt (21) arranged at a middle position between two adjacent pulleys (20).

7. The device for hydraulically sliding and pushing the main transformer into place according to claim 5, characterized in that: The interference component comprises a second rack (33) arranged at the top of the plug column (18), a circular gear (32) meshingly arranged at the top of the second rack (33), a limiting groove (35) opened on the surface of the plug column (18) at the bottom position of the second rack (33), and an interference bar (34) slidably inserted into the limiting groove (35), the middle position of the circular gear (32) is fixed to the outer peripheral surface of the rotating rod (19), one end of the connecting rod (25) is fixed to the surface of the second rack (33), and the interference bar (34) and the limiting groove (35) are slidably connected.

8. The device for hydraulically sliding and pushing the main transformer into place according to claim 5, characterized in that: The rotating component comprises a fourth bevel gear (26) fixedly sleeved on the outer circumference of the connecting tube (28), a third bevel gear (24) fixedly sleeved on the other side of the outer circumference of the movable shaft (23), an annular groove (30) opened at one end of the fixed tube (22), and a sealing insert ring (31) slidably inserted in the inner cavity of the annular groove (30), one end of the sealing insert ring (31) passes through the annular groove (30) and is fixed to the surface of one end of the connecting tube (28), and the third bevel gear (24) and the fourth bevel gear (26) are arranged in meshing connection.

9. The device for hydraulically sliding and pushing the main transformer into place according to claim 5, characterized in that: The alternating positioning mechanism also includes a scraping component, which includes a fixed disk (36) fixed at one end of one of the plug shafts (14), a second motor (45) fixed to the inner cavity of the plug shaft (14), a rotating disk (41) arranged at one end of the fixed disk (36), a plurality of scrapers (43) arranged between the rotating disk (41) and the fixed disk (36) and distributed in an equidistant manner, an expansion component acting on the scrapers (43), and a plug-in component for connecting the plurality of scrapers (43), wherein the output end of the second motor (45) is fixed to the middle position of the rotating disk (41).

10. The device for hydraulically sliding and pushing the main transformer into place according to claim 9, characterized in that: The expansion component comprises a plurality of rod grooves (37) arranged at an end of the fixed disk (36) and arranged in an equidistant and circumferential manner, an embedded rod (38) fixed to the inner cavity of the rod groove (37), a rod sleeve (39) slidably sleeved on the outer circumference of the embedded rod (38), an abutment rod (40) fixed to one end of the rod sleeve (39), a plurality of abutment openings (42) arranged in an equidistant and circumferential manner and penetrating through the surface of the rotating disk (41), and a connecting strip (44) fixed to one end of the scraper (43). One end of the abutment rod (40) extends to the inner cavity position of the abutment opening (42) at the adjacent position, one end of the connection strip (44) is fixed to the surface of the rod sleeve (39) at the adjacent position, and the plug-in component comprises an arc groove (46) provided at the end of the scraper (43) away from the rotating disk (41) and an arc plate (47) slidably inserted into the arc groove (46), one end of the arc plate (47) passes through the arc groove (46) at the adjacent position and is fixed to the surface of the scraper (43) at the adjacent position.

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