Traction device for hoisting a transformer

Abstract

The application provides a transformer hoisting traction device, which comprises a main box, a climbing assembly installed on the side of the main box, the climbing assembly clamped on the left and right sides of an electric pole, the climbing assembly used to drive the main box to lift to complete automatic hoisting of the transformer and automatic separation of the main box, a lower clamping assembly, a reserved bracket clamped and installed on the outer wall of the electric pole, the reserved bracket arranged above the main box, a suspension assembly comprising a first lifting frame, a second lifting frame, a wire wheel and an end plate, a lifting assembly, an outer clamping assembly, a rotating assembly and an outer blocking assembly. The application can automatically drive the reserved bracket and the transformer body to lift, complete butt joint of the transformer body and the reserved bracket, and does not need manual high-altitude traction, so that the transformer laying safety is higher, and the operation stability and efficiency are also higher.

Description

[0001] This application is a divisional application of the invention application with the application number of 202510497363.9, the application name of "a self-traction hoisting type oil-immersed transformer", and the filing date of April 21, 2025. TECHNICAL FIELD

[0002] The present application relates to the technical field of oil-immersed transformers, in particular to a traction device for transformer hoisting. BACKGROUND

[0003] The transformer is a device for changing AC voltage by using the principle of electromagnetic induction, and the main components are primary coil, secondary coil and core (magnetic core). The main functions are: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and the like;

[0004] The transformer is usually arranged at the top of the electric pole. In the early installation stage, a reserved bracket is manually installed in the air, and then a hoisting device is installed at the top of the electric pole. The transformer is pulled by manually rotating the hoisting device or by the active work of the hoisting device. The whole installation process needs high degree of manual participation, and the operation is completed in the air. The operation space is small, the operation process is complex, which leads to low construction efficiency and high construction risk of the oil-immersed transformer. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a traction device for transformer hoisting, which solves the problems mentioned in the background art.

[0006] To achieve the above purpose, the present application is realized by the following technical scheme:

[0007] A traction device for transformer hoisting, comprising a main box, a storage box is built-in in the main box;

[0008] A climbing assembly is installed on the side of the main box. The climbing assembly is clamped on the left and right sides of the electric pole. The climbing assembly is used to drive the lifting action of the main box to complete the automatic hoisting of the transformer and the automatic separation of the main box.

[0009] A lower clamping assembly is installed on the bottom surface of the main box. The lower clamping assembly is located at the bottom of the climbing assembly. The lower clamping assembly is clamped on the front and rear sides of the electric pole to prevent the main box from tilting forward and backward. The lower clamping assembly is used to prevent the main box from falling excessively.

[0010] A reserved bracket is clamped and installed on the outer wall of the electric pole. The reserved bracket is placed above the main box.

[0011] A transformer body is provided with a reserved plate on the top and symmetrical installation guide rails on the bottom surface. The installation guide rails are installed on the reserved bracket.

[0012] The suspension assembly comprises a first hanger, a second hanger, a wire wheel and an end plate, the first hanger and the second hanger are both in the shape of "7", the first hanger and the second hanger both extend outward, and a moving gap for avoiding the transformer body is left between the first hanger and the second hanger; the bottom ends of the first hanger and the second hanger are fixed to the front and rear sides of the main cabinet, the outer ends of the first hanger and the second hanger are connected into one through the end plate, the bottom surface of the end plate is provided with the wire wheel arranged in a linear array, and the wire wheel is used to guide the cable to be connected to the transformer body.

[0013] The lifting assembly is horizontally slidably installed between the first hanger and the second hanger, and is used to vertically lift the transformer body and horizontally transfer the transformer body to the reserved bracket.

[0014] The outer clamping assembly is installed on the top surface of the main cabinet, and clamps and connects the reserved bracket.

[0015] The rotating assembly is installed on the side surface of the main cabinet, and is used to rotate and adjust the reserved bracket so that the reserved bracket is installed on the electric pole in the form of a hoop.

[0016] The outer blocking assembly is rotatably installed on the outer end of the rotating assembly, and is used to abut against the side of the electric pole to prevent the main machine from tilting left and right.

[0017] Further, the climbing assembly comprises a first side plate body, a second side plate body, a third clamping wheel and a fourth clamping wheel, the first side plate body and the second side plate body are symmetrically arranged on the two sides of the main cabinet and are both arranged in an inclined upward manner, one end of the third clamping wheel is installed on the first side plate body and the other end is installed on the inner end of the second side plate body, the third clamping wheel is rotatably connected with the second side plate body and is provided with a first driven gear at the rotatable connection position, one end of the fourth clamping wheel is rotatably installed on the outer end of the second side plate body and is provided with a second driven gear at the rotatable connection position, the third clamping wheel and the fourth clamping wheel are clamped on the two sides of the electric pole, the outer wall of the main cabinet is provided with a driving gear, the outer wall of the second side plate body is provided with a guide gear, and the driving gear, the first driven gear, the second driven gear and the guide gear are externally sleeved with a transmission chain.

[0018] Further, the lower clamping assembly comprises a vertical frame body and a swing rod, the top end of the vertical frame body is vertically arranged on the bottom surface of the main cabinet, the bottom end of the vertical frame body is rotatably connected with the swing rod, one end of the swing rod is rotatably connected with the output end of a first driving rod, the other end is vertically provided with a back rod, the outer wall of the back rod is symmetrically provided with a first clamping wheel and a second clamping wheel, the first clamping wheel and the second clamping wheel are clamped on the outer side of the electric pole, and the top end of the first driving rod is rotatably connected with the bottom surface of the main cabinet; the distance between the first clamping wheel and the second clamping wheel is smaller than the outer diameter of the bottom of the electric pole.

[0019] Further, the outer clamping assembly comprises a top frame body provided on the top surface of the main cabinet, a bidirectional screw rod is mounted in the top frame body, a moving block is symmetrically arranged on the outer wall of the bidirectional screw rod, a rectangular slot is formed in the outer wall of the top frame body, a set of outer extension plates are arranged on the outer wall of each moving block, the outer extension plates penetrate through the rectangular slot, an assembly block is arranged on the outer wall top end of the outer extension plate, a clamping sleeve is arranged on the top of the assembly block, the opening of the clamping sleeve faces outward, a pressing plate is arranged on the inner top of the clamping sleeve, a second driving rod for driving the pressing plate to move up and down is arranged on the top surface of the clamping sleeve, and the clamping sleeve is clamped on the reserved bracket.

[0020] Further, the reserved bracket comprises a first side frame body, a second side frame body, a connecting sleeve and a locking screw rod, the first side frame body and the second side frame body are symmetrically arranged on the two sides of the electric pole, the inner end bottom of the first side frame body is provided with a clamping block, and the outer end top surface of the first side frame body is provided with a mounting slot; a mounting guide rail is inserted into the mounting slot; the inner end inner wall of the first side frame body is symmetrically provided with a connecting sleeve, the inner end inner wall of the second side frame body is symmetrically penetrated by a locking screw rod, the inner end of the locking screw rod is screwed into the connecting sleeve, and the outer end of the locking screw rod is provided with a hexagonal cap; the clamping sleeve is clamped on the first side frame body or the second side frame body from the inner side, and the clamping sleeve is located between the mounting slot and the locking screw rod.

[0021] Further, the rotating assembly comprises a rectangular long plate, one end of the rectangular long plate is fixedly arranged on the side wall of the main cabinet, a supporting guide rail is arranged on the top of the rectangular long plate, a sliding block is slidably mounted in the supporting guide rail, a supporting plate is vertically arranged on the top surface of the sliding block, an adjusting plate is slidably mounted on the surface of the supporting plate, a third driving rod is arranged on one end of the surface of the supporting plate, the output end of the third driving rod is connected with the adjusting plate, a rotating motor is arranged on the outer side of the top end of the adjusting plate, a hexagonal plate is arranged on the output end of the rotating motor, and the hexagonal plate is connected with the hexagonal cap; the hexagonal plate is used to drive the locking screw rod to rotate, so that the locking screw rod is fully screwed into the connecting sleeve, and the first side frame body and the second side frame body are locked on the electric pole.

[0022] Further, the outer blocking assembly comprises a fourth driving rod, a tooth plate, a turnover gear and an outer blocking column, a slot is formed in the outer end of the rectangular long plate, the turnover gear is rotatably mounted in the slot, the turnover gear is arranged on the inner end of the outer blocking column, the outer side of the turnover gear is meshingly connected with the tooth plate, the tooth plate is slidably arranged on the outer wall of the rectangular long plate, the outer wall of the rectangular long plate is provided with the fourth driving rod, and the output end of the fourth driving rod is connected with the tooth plate.

[0023] Further, the hoisting assembly comprises a feeding plate and a lifting plate, the feeding plate is slidably mounted between the first lifting frame and the second lifting frame, a traction wheel is mounted on the surface of the feeding plate, a traction rope is wound on the outer wall of the traction wheel, a lifting pipe is vertically arranged on the bottom surface of the feeding plate, a constraint cover is arranged on the bottom end of the lifting pipe, the traction rope penetrates through the feeding plate and the lifting pipe, an insertion column is connected at the end of the traction rope, the insertion column is vertically arranged on the top surface of the lifting plate, the insertion column is inserted into the lifting pipe, and a lifting hook is symmetrically arranged on the bottom surface of the lifting plate.

[0024] Further, the bottom surface of the feeding plate is provided with linear array arranged thread clamping components, which are used to clamp the cable head and pull up the cable, so that workers can perform overhead wiring of the cable and the transformer; the thread clamping components are distributed opposite to the wire guide wheel;

[0025] The thread clamping component comprises a lower column, an upper column and a side positioning plate, the upper column is arranged on the bottom surface of the feeding plate, the bottom surface of the upper column is connected with the lower column through the side positioning plate, the lower column is arranged opposite to the lower side of the upper column, the inside middle part of the lower column is screwed with an adjusting screw rod, the top end of the adjusting screw rod is rotationally connected with a lower clamping plate, the area between the lower clamping plate and the upper column is a cable head clamping area, the bottom surface of the lower clamping plate is vertically provided with a guide rod which is slidably embedded in the lower column.

[0026] Further, the bottom surface of the upper column is provided with anti-skid lines, the bottom surface of the upper column is provided with a receiving groove, the top surface of the lower column is vertically provided with a side baffle which is inserted into the receiving groove, and the side baffle is used to constrain the cable from the outside.

[0027] The present application provides a traction device for transformer hoisting. Compared with the prior art, the present application has the following advantages:

[0028] 1. The climbing assembly is designed to actively drive the main box to move up and down, thereby driving the suspension assembly, the lifting assembly and the reserved bracket to move, so as to automatically lift the transformer body and the reserved bracket into position, and workers only need to set up at the bottom of the pole, without the need for manual high-altitude traction operation, which is safer and has higher operation stability and efficiency; the lower clamping assembly can realize auxiliary constraint in the front-rear direction, and can finally lock when the climbing assembly suddenly falls, so as to ensure the safety of the operation of the climbing assembly;

[0029] 2. The outer clamping assembly can connect the reserved bracket and the main box as a whole, so that the reserved bracket can be lifted to above the pole in the early stage, and after the reserved bracket is locked and positioned, the outer clamping assembly can be separated from the reserved bracket, so as to facilitate the lowering of the main box and the climbing assembly; after the reserved bracket is lifted into position to the appropriate position, the rotating assembly can automatically rotate to lock the reserved bracket, so that the reserved bracket is clamped and locked above the pole, realizing automatic hoop positioning of the reserved bracket;

[0030] 3. After the reserved bracket is installed into position, the lifting assembly will perform lifting operation, avoiding excessive stress on the climbing assembly in the early stage; the lifting assembly first pulls the transformer body to lift, and then the lifting assembly translates along the suspension assembly, so that the transformer body is inserted into the reserved bracket, realizing the butt joint of the transformer body and the reserved bracket; an active gap is left between the first lifting bracket and the second lifting bracket, so that when the climbing assembly is lowered, the transformer body can pass through the active gap, so that the climbing assembly and the lifting assembly can be normally lowered and recovered.

[0031] 4. The outer blocking assembly is designed to be rotatable, which is turned inwards to be stored when in use, so as not to affect the installation of other assemblies, and when each assembly is installed, the outer blocking assembly is turned outwards, so that the outer blocking assembly can be stopped from one side, the climbing assembly and the main box are prevented from being deviated left and right, and the stability of the main box is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0033] Figure 1 A self-traction hoisting type oil-immersed transformer structure schematic diagram of the present application is shown;

[0034] Figure 2 A lower clamping assembly and climbing assembly installation structure schematic diagram of the present application is shown;

[0035] Figure 3 A reserved bracket structure schematic diagram of the present application is shown;

[0036] Figure 4 An outer clamping assembly and rotating assembly connection structure schematic diagram of the present application is shown;

[0037] Figure 5 A press plate clamping state structure schematic diagram of the present application is shown;

[0038] Figure 6 A hexagonal plate structure schematic diagram of the present application is shown;

[0039] Figure 7 An outer blocking assembly structure schematic diagram of the present application is shown;

[0040] Figure 8 A hoisting assembly hoisting state structure schematic diagram of the present application is shown;

[0041] Figure 9 A hoisting assembly structure schematic diagram of the present application is shown;

[0042] Figure 10 A wire end clamping part structure schematic diagram of the present application is shown;

[0043] As shown in the figure: 1, main box, 11, storage box, 2, lower clamping assembly, 21, vertical frame body, 22, swing rod, 23, first drive rod, 24, back rod, 25, first clamping wheel, 26, second clamping wheel, 3, climbing assembly, 31, first side plate body, 32, second side plate body, 33, third clamping wheel, 331, first driven gear, 34, fourth clamping wheel, 341, second driven gear, 35, transmission chain, 36, guide gear, 37, driving gear, 4, reserved bracket, 41, first side frame body, 411, mounting slot, 412, clamping block, 42, second side frame body, 43, connecting sleeve, 44, locking screw, 441, hexagonal cap, 5, outer clamping assembly, 51, top frame body, 511, rectangular slot, 52, bidirectional screw, 53, moving block, 531, outer extension plate, 54, assembly block, 55, clamping sleeve, 56, pressing plate, 57, second drive rod, 6, suspension assembly, 61, first hanger, 611, bottom plate, 612, vertical rod, 613, first reinforcing plate, 614, horizontal hanger rod, 615, second reinforcing plate, 62, second hanger, 63, wire wheel, 64, end plate, 7, hoisting assembly, 71, feeding plate, 72, traction wheel, 721, traction rope, 73, thread clamping part, 731, upper column body, 7331, anti-skid pattern, 7332, storage slot, 732, lower column body, 733, side positioning plate, 734, lower clamping plate, 735, side baffle, 736, adjusting screw, 737, guide rod, 74, hanger pipe, 75, restraint cover, 76, hanger plate, 761, hanger hook, 762, insertion column, 8, rotating assembly, 81, rectangular long plate, 811, missing slot, 82, support guide rail, 83, sliding block, 84, supporting plate, 85, adjusting plate, 86, third drive rod, 87, rotating motor, 88, hexagonal plate, 9, outer blocking assembly, 91, fourth drive rod, 92, toothed plate, 93, reversing gear, 94, outer blocking column, 9a, transformer main body, 91a, reserved plate, 92a, mounting guide rail, 9b, electric pole. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0045] In order to solve the technical problems in the background art, the following traction device for transformer hoisting is given:

[0046] In combination with Figures 1-10 As shown in the figure, the present application provides a traction device for transformer hoisting, and the main box 1 is internally provided with a storage box 11.

[0047] The climbing assembly 3 is installed on the side of the main box 1, and is clamped on the left and right sides of the electric pole 9b. The climbing assembly is used to drive the lifting action of the main box to complete the automatic lifting of the transformer and the automatic separation of the main box.

[0048] The lower clamping assembly 2 is installed on the bottom surface of the main box 1 and is located at the bottom of the climbing assembly 3. The lower clamping assembly 2 is clamped on the front and rear sides of the electric pole 9b to prevent the main box 1 from tilting forward and backward. The lower clamping assembly 2 is used to prevent the main box 1 from falling excessively.

[0049] The reserved bracket 4 is clamped and installed on the outer wall of the electric pole 9b and is located above the main box 1.

[0050] The suspension assembly 6 includes a first hanger 61, a second hanger 62, a wire wheel 63, and an end plate 64. The first hanger 61 and the second hanger 62 are both in the shape of a "7" and extend outward. The first hanger 61 and the second hanger 62 are spaced apart to allow the transformer body 9a to pass through. The bottom ends of the first hanger 61 and the second hanger 62 are fixed to the front and rear sides of the main box 1. The outer ends of the first hanger 61 and the second hanger 62 are connected by the end plate 64. The wire wheel 63 is linearly arranged on the bottom surface of the end plate 64 and is used to guide the cable to be connected to the transformer body 9a.

[0051] The lifting assembly 7 is horizontally slidably installed between the first hanger 61 and the second hanger 62. The lifting assembly 7 is used to vertically lift the transformer body 9a and horizontally transfer it to the reserved bracket 4.

[0052] The outer clamping assembly 5 is installed on the top surface of the main box 1 and is connected to the reserved bracket 4.

[0053] The rotating assembly 8 is installed on the side surface of the main box 1 and is used to rotate and adjust the reserved bracket 4 to clamp the reserved bracket 4 on the electric pole 9b.

[0054] The outer blocking assembly 9 is rotatably installed on the outer end of the rotating assembly 8 and is used to abut the side of the electric pole 9b to prevent the main box from tilting left and right.

[0055] In the above scheme:

[0056] 1. The climbing assembly can actively drive the lifting movement of the main box, thereby driving the suspension assembly, the lifting assembly, and the reserved bracket to move, achieving automatic lifting and positioning of the transformer body and the reserved bracket. Artificially, only the electric pole bottom needs to be set up, without the need for manual high-altitude traction operation, which is safer, more stable, and more efficient.

[0057] 2. The lower clamping assembly can realize auxiliary constraint in the front-rear direction, and can also realize final locking effect in emergency falling to ensure the safety of the climbing assembly;

[0058] 3. The outer clamping assembly can connect the reserved bracket with the main box, so that the reserved bracket can be lifted to the top of the pole in the early stage, and the outer clamping assembly can be separated from the reserved bracket after the reserved bracket is locked and positioned, so as to facilitate the descent of the main box and the climbing assembly;

[0059] 4. After the reserved bracket is lifted to the appropriate position, the rotating assembly can automatically rotate and lock the reserved bracket, so that the reserved bracket is clamped and locked above the pole, and automatic hoop positioning of the reserved bracket is realized;

[0060] 5. After the reserved bracket is installed and positioned, the lifting assembly will perform lifting operation, so as to avoid excessive stress on the climbing assembly in the early stage. The lifting assembly first lifts the transformer body, and then translates along the suspension assembly, so that the transformer body is inserted into the reserved bracket, and the transformer body and the reserved bracket are connected;

[0061] An active gap is left between the first and second hangers, so that the transformer body can pass through the active gap when the climbing assembly descends, and the climbing assembly and the lifting assembly can be normally descended and recovered;

[0062] 6. The outer blocking assembly is designed to be rotatable, which is turned outwards during use to avoid affecting the installation of other assemblies, and is turned inwards after the installation of all assemblies is completed, so that the outer blocking assembly can stop from one side to avoid the left-right deviation of the climbing assembly and the main box, and ensure the stability of the main box.

[0063] In the embodiment, the climbing assembly 3 includes a first side plate body 31, a second side plate body 32, a third clamping wheel 33 and a fourth clamping wheel 34. The first side plate body 31 and the second side plate body 32 are symmetrically arranged on the two sides of the main box 1 and are both arranged to be inclined upward. One end of the third clamping wheel 33 is installed on the first side plate body 31, and the other end is installed on the inner end of the second side plate body 32. A first driven gear 331 is installed at the rotating connection position of the third clamping wheel 33 and the second side plate body 32. One end of the fourth clamping wheel 34 is rotatably installed on the outer end of the second side plate body 32, and a second driven gear 341 is installed at the rotating connection position. The third clamping wheel 33 and the fourth clamping wheel 34 are clamped on the two sides of the pole 9b. The outer wall of the main box 1 is provided with a driving gear 37, and the outer wall of the second side plate body 32 is provided with a guide gear 36. The driving gear 37, the first driven gear 331, the second driven gear 341 and the guide gear 36 are externally sleeved with a transmission chain 35.

[0064] In the scheme, during the lifting operation, the driving gear rotates, and then drives the first driven gear, the second driven gear and the guide gear to rotate through the transmission chain, so that the third clamping wheel and the fourth clamping wheel rotate, automatic climbing and automatic descending are realized; one side of the third clamping wheel and the fourth clamping wheel is an open structure, and the third clamping wheel and the fourth clamping wheel can be sleeved on the electric pole; the positions of the third clamping wheel and the fourth clamping wheel can be slidably adjusted.

[0065] In the embodiment, the lower clamping assembly 2 comprises a vertical frame body 21 and a swing rod 22, the top end of the vertical frame body 21 is vertically arranged on the bottom surface of the main box 1, the bottom end of the vertical frame body 21 is rotationally connected with the swing rod 22, one end of the swing rod 22 is rotationally connected with the output end of the first driving rod 23, the other end of the swing rod 22 is vertically provided with a back rod 24, the outer wall of the back rod 24 is symmetrically provided with a first clamping wheel 25 and a second clamping wheel 26, the first clamping wheel 25 and the second clamping wheel 26 are clamped on the outer side of the electric pole 9b, and the top end of the first driving rod 23 is rotationally connected with the bottom surface of the main box 1; the distance between the first clamping wheel 25 and the second clamping wheel 26 is less than the outer diameter of the bottom of the electric pole 9b.

[0066] In the scheme, when the lower clamping assembly is folded, the first driving rod drives the swing rod to swing, so that the first clamping wheel and the second clamping wheel are lifted and folded, after the climbing assembly is assembled, the first driving rod is retracted, so that the first clamping wheel and the second clamping wheel are clamped on the electric pole.

[0067] In the embodiment, the outer clamping assembly 5 comprises a top frame body 51, the top frame body 51 is arranged on the top surface of the main box 1, a bidirectional screw rod 52 is mounted in the top frame body 51, a moving block 53 is symmetrically arranged on the outer wall of the bidirectional screw rod 52 in a sliding manner, a rectangular slot 511 is formed in the outer wall of the top frame body 51, a group of outer extension plates 531 are arranged on the outer wall of each moving block 53, the outer extension plates 531 penetrate through the rectangular slot 511, an assembly block 54 is arranged on the outer wall top end of the outer extension plate 531, a clamping sleeve 55 is arranged on the top of the assembly block 54, the opening of the clamping sleeve 55 faces outward, a pressing plate 56 is arranged in the inner top of the clamping sleeve 55, a second driving rod 57 for driving the pressing plate 56 to ascend and descend is arranged on the top surface of the clamping sleeve 55, and the clamping sleeve 55 is clamped on the reserved bracket 4.

[0068] In the scheme, when the outer clamping assembly is assembled and connected, the clamping sleeve of the outer clamping assembly is clamped on the reserved bracket, and the second driving rod drives the pressing plate to press downward to position the reserved bracket; when the rotating assembly locks the reserved bracket, the second driving rod drives the pressing plate to lift, and then the bidirectional screw rod drives the two groups of moving blocks to move inward, so that the clamping sleeve is separated from the reserved bracket.

[0069] In the embodiment, the reserved bracket 4 comprises a first side frame body 41, a second side frame body 42, a connecting sleeve 43, and a locking screw 44. The first side frame body 41 and the second side frame body 42 are symmetrically arranged on both sides of the pole 9b. The inner end of the first side frame body 41 is provided with a clamping block 412, and the outer end of the first side frame body 41 is provided with a mounting slot 411. The bottom surface of the transformer main body 9a is symmetrically provided with a mounting rail 92a, which is inserted into the mounting slot 411.

[0070] The inner wall of the inner end of the first side frame body 41 is symmetrically provided with the connecting sleeve 43, and the inner wall of the inner end of the second side frame body 42 is symmetrically provided with the locking screw 44. The inner end of the locking screw 44 is screwed into the connecting sleeve 43, and the outer end of the locking screw 44 is provided with a hexagonal cap 441. The clamping sleeve 55 is clamped on the first side frame body 41 or the second side frame body 42 from the inside, and is located between the mounting slot 411 and the locking screw 44.

[0071] In the above scheme, in order to ensure that the reserved bracket can be normally lifted, the reserved bracket is in a semi-assembled state at the beginning. The first side frame body and the second side frame body are arranged on both sides of the pole, and the locking screw is half screwed into the connecting sleeve.

[0072] Then, the worker adjusts the climbing assembly to be clamped on the pole, and the clamping sleeve is clamped on the first side frame body and the second side frame body. Then, the lower clamping assembly and the outer blocking assembly are adjusted and positioned.

[0073] When the climbing assembly drives the reserved bracket to be lifted into position, the hexagonal plate drives the hexagonal cap to rotate, so that the locking screw is screwed into the connecting sleeve, and the two sets of clamping blocks are clamped and fixed on the pole.

[0074] In the embodiment, the rotating assembly 8 comprises a rectangular long plate 81, one end of the rectangular long plate 81 being fixedly arranged on the side wall of the main box 1. The top of the rectangular long plate 81 is provided with a supporting rail 82, the supporting rail 82 being internally slidably provided with a sliding block 83. The top surface of the sliding block 83 is vertically provided with a supporting plate 84, the surface of the supporting plate 84 being slidably provided with an adjusting plate 85. One end of the surface of the supporting plate 84 is provided with a third driving rod 86, the output end of the third driving rod 86 being connected to the adjusting plate 85. The top end of the adjusting plate 85 is provided with a rotating motor 87, the output end of the rotating motor 87 being provided with a hexagonal plate 88, the hexagonal plate 88 being connected to the hexagonal cap 441. The hexagonal plate 88 is used to drive the locking screw 44 to rotate, so that the locking screw 44 is fully screwed into the connecting sleeve 43, and the first side frame body 41 and the second side frame body 42 are locked on the pole 9b.

[0075] In the above scheme, when the locking operation is performed, the sliding block moves along the supporting rail, thereby driving the hexagonal plate to align with each hexagonal cap. The third driving rod drives the adjusting plate to move outward, so that the hexagonal plate is inserted into the hexagonal cap. Then, the rotating motor drives the hexagonal plate to rotate, so that the locking screw is fully screwed into the connecting sleeve.

[0076] In the embodiment, the outer blocking assembly 9 comprises a fourth driving rod 91, a toothed plate 92, a turnover gear 93 and an outer blocking column 94, the outer end of the rectangular long plate 81 is provided with a slot 811, the turnover gear 93 is rotatably installed in the slot 811, the turnover gear 93 is arranged at the inner end of the outer blocking column 94, the outer side of the turnover gear 93 is meshingly connected with the toothed plate 92, the toothed plate 92 is slidingly arranged on the outer wall of the rectangular long plate 81, the outer wall of the rectangular long plate 81 is provided with the fourth driving rod 91, and the output end of the fourth driving rod 91 is connected with the toothed plate 92.

[0077] In the above scheme, the fourth driving rod drives the toothed plate to translate, the toothed plate drives the turnover gear to rotate, the turnover gear drives the outer blocking column to rotate inward, and the outer blocking column can be stopped at the side of the pole from the side.

[0078] In the embodiment, the hoisting assembly 7 comprises a feeding plate 71 and a hoisting plate 76, the feeding plate 71 is slidingly installed between the first hoisting bracket 61 and the second hoisting bracket 62, the surface of the feeding plate 71 is provided with a traction wheel 72, the outer wall of the traction wheel 72 is wound with a traction rope 721, the bottom surface of the feeding plate 71 is vertically provided with a hoisting pipe 74, the bottom end of the hoisting pipe 74 is provided with a restraint cover 75, the traction rope 721 penetrates through the feeding plate 71 and the hoisting pipe 74, the end of the traction rope 721 is connected with a plug column 762, the plug column is vertically arranged on the top surface of the hoisting plate 76, the plug column is inserted into the hoisting pipe 74 in cooperation, and the bottom surface of the hoisting plate 76 is symmetrically provided with a hoisting hook 761.

[0079] In the above scheme, when hoisting, the hoisting hook is connected with the reserved plate, the traction wheel winds the traction rope, and the hoisting of the transformer body is completed, when the hoisting is in place, the plug column is inserted into the hoisting pipe, and the restraint cover can facilitate the smooth insertion of the plug column into the hoisting pipe.

[0080] When the transformer is installed at a high altitude, wiring operation needs to be performed, the current transformer cable layout is complicated, the cable size is large and the weight is large, and manual hoisting is also needed. In order to realize the rapid hoisting of the cable, the following scheme is given:

[0081] In the embodiment, the bottom surface of the feeding plate 71 is provided with a linear array of wire head clamping components 73, the wire head clamping components 73 are used to clamp the cable head and hoist the cable, so that the worker can perform high-altitude wiring of the cable and the transformer; the wire head clamping components 73 are distributed opposite to the wire guide wheel 63.

[0082] The thread clamping component 73 comprises a lower column 732, an upper column 731, and a side positioning plate 733. The upper column 731 is arranged on the bottom surface of the feeding plate 71. The bottom surface of the upper column 731 is connected to the lower column 732 through the side positioning plate 733. The lower column 732 is arranged directly below the upper column 731. A threaded adjusting screw 736 is arranged in the middle of the interior of the lower column 732. The top end of the adjusting screw 736 is rotatably connected to a lower clamping plate 734. The area between the lower clamping plate 734 and the upper column 731 is a cable head clamping area. A guide rod 737 is vertically arranged on one side of the bottom surface of the lower clamping plate 734. The guide rod 737 is slidably embedded in the lower column 732.

[0083] In the above scheme, the thread clamping component is additionally arranged on the bottom of the feeding plate. The cable first penetrates the guide wheel, and then the end of the cable is inserted into the thread clamping component. The adjusting screw is rotated to move the lower clamping plate upward to clamp the cable head. The cable is fixed between the lower clamping plate and the upper column. The guide rod guides the movement of the lower clamping plate. As the lifting assembly is lifted, the cable is also lifted to realize the aerial pre-setting of the cable. When the transformer body is installed on the reserved bracket, the pre-set cable can facilitate the workers to make connections.

[0084] In the present embodiment, the bottom surface of the upper column 731 is provided with anti-slip lines 7331. The bottom surface of the upper column 731 is provided with a receiving groove 7332. The top surface of the lower column 732 is vertically provided with a side baffle 735. The side baffle 735 is inserted into the receiving groove 7332. The side baffle 735 is used to stop and constrain the cable from the outside.

[0085] In the above scheme, the arrangement of the anti-slip lines can improve the clamping firmness and prevent the cable from being separated. The side baffle can stop and constrain the cable from the outside to prevent the end of the cable from shifting left and right.

[0086] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0087] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A traction device for lifting a transformer, used for lifting the main body of a transformer, characterized in that, include: Main unit case; The climbing assembly is installed on the side of the main unit and clamps the left and right sides of the pole to drive the main unit to move up and down along the pole axis. The lower clamping assembly is installed on the bottom surface of the main unit and located below the climbing assembly. The lower clamping assembly clamps the front and rear sides of the pole. Rotating assembly, which is mounted on the side of the main unit chassis; A pre-installed bracket is located above the main unit. The pre-installed bracket includes a first side frame and a second side frame. The first side frame and the second side frame are mirror-symmetrically arranged on both sides of the pole and are brought closer or further apart by connecting sleeves and locking screws. The bottom inner end of the first side frame is provided with a clamping block. The two clamping blocks are rotated and adjusted by a rotating assembly to install the pre-installed bracket clamp onto the pole. The top outer end of the first side frame is provided with an installation slot. The bottom surface of the transformer body is symmetrically provided with an installation guide rail, which is inserted into the installation slot. External clamping assembly, which is installed on the top surface of the main unit chassis and connected to the reserved bracket by snap-fit; The outer stop assembly is rotatably mounted on the outer end of the rotating assembly, and the outer stop assembly is engaged against the side of the pole to prevent the main unit from tilting to the left or right. The suspension assembly includes a first hanger, a second hanger, guide wheels, and an end plate. Both the first and second hangers are in the shape of a "7" and extend outwards. A clearance is left between the first and second hangers to allow for movement of the transformer body. The bottom ends of the first and second hangers are fixed to the front and rear sides of the main unit. The extended ends of the first and second hangers are connected as one unit by the end plate. A linear array of guide wheels is installed on the bottom surface of the end plate to guide the cables to be connected to the transformer body. The lifting assembly is horizontally slidably installed between the first and second hangers. The lifting assembly is used to vertically lift the transformer body and horizontally transfer it to the reserved bracket; the lifting assembly is used to connect to the reserved plate on the transformer body.

2. The traction device for lifting a transformer according to claim 1, characterized in that: The climbing assembly includes a first side plate, a second side plate, a third clamping wheel, and a fourth clamping wheel. The first and second side plates are symmetrically arranged on both sides of the main unit and are both inclined upwards. One end of the third clamping wheel is installed on the first side plate and the other end is installed on the inner end of the second side plate. A first driven gear is installed at the rotatable connection between the third clamping wheel and the second side plate. One end of the fourth clamping wheel is rotatably installed on the outer end of the second side plate and a second driven gear is installed at the rotatable connection. The third and fourth clamping wheels clamp the two sides of the pole. The outer wall of the main unit is provided with a driving gear, and the outer wall of the second side plate is provided with a guide gear. A transmission chain is fitted around the driving gear, the first driven gear, the second driven gear, and the guide gear.

3. The transformer hoisting traction device according to claim 2, characterized in that: The lower clamping assembly includes a vertical frame and a swing rod. The top of the vertical frame is vertically mounted on the bottom surface of the main unit housing. The bottom of the vertical frame is rotatably connected to the swing rod. One end of the swing rod is rotatably connected to the output end of the first drive rod, and the other end is vertically mounted on a back rod. The outer wall of the back rod is symmetrically provided with a first clamping wheel and a second clamping wheel. The first clamping wheel and the second clamping wheel clamp the outside of the pole. The top of the first drive rod is rotatably connected to the bottom surface of the main unit housing. The distance between the first clamping wheel and the second clamping wheel is smaller than the bottom outer diameter of the pole.

4. A traction device for lifting a transformer according to claim 3, characterized in that: The external clamping assembly includes a top frame, which is located on the top surface of the main unit. A bidirectional screw is installed inside the top frame. The outer wall of the bidirectional screw is slidably and symmetrically provided with moving blocks. A rectangular groove is opened on the outer wall of the top frame. Each moving block has a set of extension plates on its outer wall. The extension plates pass through the rectangular groove. An assembly block is provided at the top of the outer wall of the extension plate. A clamping sleeve is provided at the top of the assembly block. The opening of the clamping sleeve faces outward. A pressure plate is provided at the top of the inside of the clamping sleeve. A second drive rod for driving the pressure plate to rise and fall is provided on the top surface of the clamping sleeve. The clamping sleeve is fitted and clamped on the reserved bracket.

5. A traction device for lifting a transformer according to claim 4, characterized in that: The inner wall of the first side frame is symmetrically provided with connecting sleeves, and the inner wall of the second side frame is symmetrically provided with locking screws. The inner end of the locking screw is screwed into the connecting sleeve, and the outer end of the locking screw is provided with a hexagonal cap. The clamping sleeve is snapped onto the first side frame or the second side frame from the inside, and the clamping sleeve is located between the mounting slot and the locking screw.

6. A traction device for lifting a transformer according to claim 5, characterized in that: The rotating assembly includes a rectangular plate, one end of which is fixed to the side wall of the main unit. A support rail is provided on the top of the rectangular plate, and a slider is slidably installed inside the support rail. A support plate is vertically provided on the top surface of the slider, and an adjustment plate is slidably installed on the surface of the support plate. A third drive rod is provided on one end of the surface of the support plate, and the output end of the third drive rod is connected to the adjustment plate. A rotating motor is provided on the outer side of the top of the adjustment plate, and a hexagonal plate is provided on the output end of the rotating motor. The hexagonal plate is connected to a hexagonal cap. The hexagonal plate is used to drive the locking screw to rotate so that the locking screw is fully screwed into the connecting sleeve, and the first side frame and the second side frame are locked to the pole.

7. A traction device for lifting a transformer according to claim 6, characterized in that: The outer stop assembly includes a fourth drive rod, a toothed plate, a reversing gear, and an outer stop post. A notch is provided at the outer end of the rectangular plate. The reversing gear is rotatably installed in the notch. The reversing gear is located at the inner end of the outer stop post. The toothed plate is meshed with the outer side of the reversing gear. The toothed plate is slidably located on the outer wall of the rectangular plate. The fourth drive rod is provided on the outer wall of the rectangular plate. The output end of the fourth drive rod is connected to the toothed plate.

8. A traction device for lifting a transformer according to claim 7, characterized in that: The lifting assembly includes a loading plate and a lifting plate. The loading plate is slidably installed between the first and second lifting frames. A traction wheel is installed on the surface of the loading plate, and a traction rope is wound around the outer wall of the traction wheel. A lifting pipe is vertically installed on the bottom surface of the loading plate, and a constraint cover is installed at the bottom end of the lifting pipe. The traction rope passes through the loading plate and the lifting pipe, and the end of the traction rope is connected to a post. The post is vertically installed on the top surface of the lifting plate and is inserted into the lifting pipe. A hook is symmetrically installed on the bottom surface of the lifting plate, and the hook is connected to a reserved plate.

9. A traction device for lifting a transformer according to claim 8, characterized in that: The bottom surface of the feeding plate is provided with a linear array of wire end clamping components, which are used to clamp the cable end and pull and lift the cable so that workers can connect the cable to the transformer at high altitude; the wire end clamping components are distributed opposite to the wire pulley; The cable end clamping component includes a lower column, an upper column, and a side positioning plate. The upper column is located on the bottom surface of the feed plate. One side of the bottom surface of the upper column is connected to the lower column through the side positioning plate. The lower column is located directly below the upper column. An adjusting screw is threaded through the center of the lower column. The top of the adjusting screw is rotatably connected to the lower clamping plate. The area between the lower clamping plate and the upper column is the cable end clamping area. A guide rod is vertically provided on one side of the bottom surface of the lower clamping plate. The guide rod is slidably embedded in the lower column. The bottom surface of the upper column is provided with anti-slip texture, and a storage groove is opened on the outer side of the bottom surface of the upper column. A side baffle is vertically provided on the outer side of the top surface of the lower column. The side baffle is inserted into the storage groove and is used to stop and constrain the cable from the outside.

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