Extra-high voltage converter valve reactor replacement tool and replacement method

Abstract

The invention provides an extra-high voltage converter valve reactor replacement tool and a replacement method. The extra-high voltage converter valve reactor replacement tool comprises a reactor hoisting tool and a reactor sliding table tool, the electric reactor hoisting tool comprises a cross beam assembly and a suspension assembly, wherein the cross beam assembly is mounted on an upper-layer insulating beam of an upper valve layer of a replaced electric reactor, and the suspension assembly and the cross beam assembly are fixed; the electric reactor sliding table tool comprises a guide rail assembly and a sliding table assembly, wherein the guide rail assembly is installed on a lower-layer insulating beam of a next valve layer of a replaced electric reactor, the sliding table assembly is in sliding fit with the guide rail assembly, and a sliding table is used for adjusting the horizontal position of the replaced electric reactor. The electric reactor hoisting tool is located above a replaced electric reactor, the replaced electric reactor is moved in the vertical direction through the suspension assembly, the electric reactor sliding table tool is located below the replaced electric reactor, the replaced electric reactor is moved in the horizontal direction through the sliding table assembly, and rapid replacement of an existing conventional extra-high voltage converter valve electric reactor is achieved. The valve reactor can be reliably disassembled, and the replacement efficiency of the reactor is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of power equipment maintenance, and in particular to a tool and method for replacing a UHV converter valve reactor. Background Art

[0002] As the core converter equipment in DC transmission projects, UHV converter valves play an important role in the process of power conversion. Conventional UHV converter valves are composed of multiple valve layers, each of which is equipped with multiple reactors. In DC projects, the service life and installation method of reactors are generally relatively reliable, but in the long-term operation process, problems such as reactor failure, damage and aging are inevitable. The failure of reduced reactor inductance is a common fault of converter valves. To handle such faults, the converter valves must be in maintenance.

[0003] The existing conventional UHV converter valves lack special reactor replacement tooling, and the replacement of reactors mainly relies on manpower to complete aerial operations. This method is not only difficult to maintain, but also prone to equipment damage due to improper operation, and even safety accidents. In order to improve the maintenance efficiency of the DC system and shorten the power outage time, a reactor quick replacement tool is developed to effectively increase the inductance value of the converter valve reactor, reduce the efficiency of fault handling, and further improve the availability of the DC transmission system. Summary of the invention

[0004] In order to solve the problem of low replacement efficiency of converter valve reactors, the present invention proposes a UHV converter valve reactor replacement tool, comprising: a reactor hoisting tool and a reactor sliding platform tool; The reactor hoisting tool comprises a crossbeam assembly installed on an upper insulating beam of a valve layer above the reactor to be replaced and a suspension assembly fixed to the crossbeam assembly; The reactor slide tooling comprises a guide rail assembly installed on a lower insulating beam of a valve layer below the replaced reactor and a slide assembly slidably matched with the guide rail assembly, wherein the slide is used to adjust the horizontal position of the replaced reactor.

[0005] Preferably, the crossbeam assembly comprises: an aluminum alloy crossbeam and an end auxiliary hanging plate installed at one end of the aluminum alloy crossbeam; The suspension assembly is installed below the aluminum alloy crossbeam. The upper part of the aluminum alloy cross beam is installed on the upper insulating beam through a first clamping assembly.

[0006] Preferably, a slide groove is provided below the aluminum alloy cross beam, and the suspension assembly is slidably arranged in the slide groove of the aluminum alloy cross beam.

[0007] Preferably, the suspension assembly comprises: a four-wheel plate tool trolley slidably mounted in a slide groove of the aluminum alloy crossbeam and a manual hoist connected to the four-wheel plate tool trolley.

[0008] Preferably, the first clamping assembly comprises: a fixed end and a movable end; The movable end is mounted on one end of the aluminum alloy insulating beam where the end auxiliary hanging plate is mounted; The fixed end is installed on the other end of the aluminum alloy insulating beam.

[0009] Preferably, the fixed end comprises: a first crossbeam hanging bracket and an L-shaped crossbeam fixing angle piece; The first crossbeam suspension bracket is fixed to the aluminum alloy crossbeam through the L-shaped crossbeam fixing bracket, and the L-shaped crossbeam fixing angle piece is fixed to the aluminum alloy crossbeam; The first crossbeam hanging bracket and the L-shaped crossbeam fixing angle piece cooperate with each other to clamp the upper insulating beam.

[0010] Preferably, the movable end comprises: a second crossbeam suspension bracket and an L-shaped crossbeam movable corner piece; The second crossbeam suspension bracket is detachably connected to the aluminum alloy crossbeam through an L-shaped crossbeam movable bracket, the L-shaped crossbeam movable corner piece is detachably connected to the aluminum alloy crossbeam, and the second crossbeam suspension bracket, the L-shaped crossbeam movable bracket and the L-shaped crossbeam movable corner piece can all be moved on the aluminum alloy crossbeam; The second crossbeam hanging bracket and the L-shaped crossbeam movable corner piece cooperate with each other to clamp the upper insulating beam.

[0011] Preferably, the slide assembly comprises: a slide tray and a slide base fixedly connected to the bottom of the slide tray; The slide base is slidably matched with the guide rail assembly to drive the slide tray to move horizontally along the guide rail assembly.

[0012] Preferably, the slide base is a U-shaped slide groove structure, and a universal ball bearing is provided in the U-shaped slide groove; The slide base is slidably connected to the rail assembly through the universal ball bearing.

[0013] Preferably, the guide rail assembly comprises: an aluminum alloy guide rail group and slide table limit bolts arranged at both ends of the aluminum alloy guide rail group; The slide assembly is slidably mounted on the upper part of the aluminum alloy guide rail group, and the lower part of the aluminum alloy guide rail group is mounted on the lower insulating beam through a second clamping assembly.

[0014] Preferably, the aluminum alloy guide rail assembly comprises: two parallel guide profiles, and a plurality of support profiles and adjustment profiles vertically fixed between the two guide profiles through profile angle pieces to form a grid structure; The slide assembly is slidably mounted on the two guide profiles.

[0015] Preferably, the guide profile adopts a 90° double-sided sealing groove structure.

[0016] Preferably, the supporting profile and the adjusting profile both adopt a non-sealed groove structure and are connected to the guiding profile and the profile corner piece by bolts.

[0017] Preferably, the second clamping assembly includes: a rail fixing assembly fixedly connected to one end of the aluminum alloy rail assembly and a rail moving assembly detachably connected to the other end of the aluminum alloy rail assembly, and the rail moving assembly can move on the aluminum alloy rail assembly.

[0018] Preferably, the guide rail fixing assembly comprises: a first insulating beam locking bracket, a first guide rail bracket, a first guide rail inner bracket and a first insulating beam limiting bracket; The first guide rail bracket is installed below the aluminum alloy guide rail group; The first insulating beam limiting bracket is connected to one side of the first guide rail bracket, and the first insulating beam locking bracket is arranged in the direction of the guide rail moving component, wherein: a locking bolt is connected to the bottom of the first insulating beam locking bracket; The first guide rail inner bracket is connected below the adjustment profile; The first insulating beam limiting bracket is connected to one side of the first guide rail inner bracket and faces opposite to the first guide rail bracket; The first insulating beam locking bracket, the locking bolt, the first guide rail inner bracket and the first insulating beam limiting bracket jointly clamp the lower insulating beam of the next valve layer of the replaced reactor.

[0019] Preferably, the guide rail moving assembly comprises: a second insulating beam locking bracket, a second guide rail bracket, a second guide rail inner bracket and a second insulating beam limiting bracket; The second guide rail bracket is detachably mounted below the aluminum alloy guide rail set, and the second guide rail bracket is movable on the aluminum alloy guide rail set; The second insulating beam locking bracket is connected to one side of the second guide rail bracket, the second insulating beam locking bracket is arranged in the direction of the guide rail fixing assembly, and a locking bolt is connected to the bottom of the second insulating beam locking bracket; The second guide rail inner bracket is detachably connected below the adjustment profile, and the second guide rail inner bracket can move on the adjustment profile; The second insulating beam limiting bracket is connected to one side of the second guide rail inner bracket and faces opposite to the second guide rail bracket; The second insulating beam locking bracket, the locking bolt, the second guide rail inner bracket and the second insulating beam limiting bracket jointly clamp the lower insulating beam of the next valve layer of the replaced reactor.

[0020] The present invention also provides a method for replacing a UHV converter valve reactor, which is implemented by using the UHV converter valve reactor replacement tool as described above, and the method comprises: Install and secure the crossbeam assembly of the reactor hoisting tool on the upper insulating beam of the valve layer above the reactor to be replaced; Install and secure the guide rail assembly of the reactor slide fixture on the lower insulating beam of the next valve layer of the reactor to be replaced; The suspension assembly places the replaced reactor on the slide assembly, and drives the replaced reactor to slide out of the UHV converter valve through the guide rail assembly; or drives a new reactor into the UHV converter valve through the guide rail assembly to achieve replacement.

[0021] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a replacement tool and replacement method for a UHV converter valve reactor, comprising: a reactor hoisting tool and a reactor slide tool; the reactor hoisting tool comprises a crossbeam assembly installed on an upper insulating beam of a valve layer above the replaced reactor and a suspension assembly fixed to the crossbeam assembly; the reactor slide tool comprises a guide rail assembly installed on a lower insulating beam of a valve layer below the replaced reactor and a slide assembly slidably matched with the guide rail assembly, and the slide is used to adjust the horizontal position of the replaced reactor. The reactor hoisting tool is located above the replaced reactor and is connected to the upper insulating beam. The suspension assembly is installed on the crossbeam assembly and can be moved through the crossbeam assembly. The suspension assembly is used to move the replaced reactor in a vertical direction. The reactor slide tool is located below the replaced reactor and is connected to the lower insulating beam. The slide assembly is slidably set on the guide rail assembly and moved through the guide rail assembly. The slide assembly is used to move the replaced reactor in a horizontal direction. The guide rail assembly, slide assembly, crossbeam assembly and suspension assembly can all be disassembled and assembled, and can also be pre-assembled and then installed on the tower, which is quick and convenient to operate. The reactor hoisting tool cooperates with the reactor slide tool to improve the efficiency of reactor replacement, and the operation is safe and reliable during the reactor replacement process, thereby realizing the rapid replacement of existing conventional ultra-high voltage converter valve reactors and improving the replacement efficiency of reactors. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1It is a schematic diagram of the overall structure of a tool for replacing a UHV converter valve reactor according to the present invention; Figure 2 A schematic diagram of the structure of a reactor lifting tool for replacing a UHV converter valve reactor according to the present invention; Figure 3 A schematic diagram of the structure of a slide assembly of a tool for replacing a UHV converter valve reactor according to the present invention; Figure 4 A schematic diagram of the structure of an aluminum alloy guide rail assembly of a replacement tool for an ultra-high voltage converter valve reactor according to the present invention; Figure 5 A schematic diagram of the structure of a reactor slide tooling of a UHV converter valve reactor replacement tooling of the present invention; Figure 6 A schematic diagram of the installation position of a reactor replacement tool for a UHV converter valve reactor replacement tool of the present invention; Figure 7 A schematic diagram of a process of replacing a UHV converter valve reactor according to the present invention; 1-reactor hoisting tool, 2-reactor slide tool, 3-aluminum alloy beam, 4.1-first beam hanging bracket, 4.2-second beam hanging bracket, 5-L-shaped beam fixed bracket, 6-L-shaped beam fixed angle piece, 7-L-shaped beam movable bracket, 8-L-shaped beam movable angle piece, 9-end auxiliary hanging plate, 10-four-wheel plate tool pulley, 11-manual hoist, 12-aluminum alloy guide rail set, 13-slide assembly, 14.1-first insulating beam locking bracket, 14.2-second insulating beam locking bracket, 15.1 -First guide rail bracket, 15.2-second guide rail bracket, 16.1-first insulating beam limiting bracket, 16.2-second insulating beam limiting bracket, 17.1-first guide rail inner bracket, 17.2-second guide rail inner bracket, 18-locking bolt, 19-slide limit bolt, 20-guide profile, 21-support profile, 22-adjustment profile, 23-profile angle piece, 24 slide base, 25-slide tray, 26-universal ball bearing, 27-upper insulating beam, 28-lower insulating beam, 29-replaced inductor. DETAILED DESCRIPTION Embodiment 1:

[0023] A tool for replacing a UHV converter valve reactor, such as Figure 1 As shown, it includes: a reactor hoisting tool 1 and a reactor slide tool 2; The reactor hoisting tool 1 comprises a crossbeam assembly installed on an upper insulating beam 27 of a valve layer above the reactor 29 to be replaced and a suspension assembly fixed to the crossbeam assembly; The reactor slide tool 2 includes a guide rail assembly installed on the lower insulating beam 28 of the valve layer below the replaced reactor 29 and a slide assembly 13 slidably matched with the guide rail assembly, and the slide is used to adjust the horizontal position of the replaced reactor 29.

[0024] The reactor hoisting tool 1 comprises a crossbeam assembly and a suspension assembly installed on the crossbeam assembly, wherein the suspension assembly is used to connect the replaced reactor 29, and the replaced reactor 29 is vertically lifted or lowered by the suspension assembly, and the crossbeam assembly is installed on the upper insulating beam 27 of a valve layer above the replaced reactor 29; The reactor slide tool 2 includes a guide rail assembly and a slide assembly 13 installed in a sliding fit, the slide assembly 13 can reciprocate on the guide rail assembly, transport the replaced reactor 29 placed on the slide assembly 13, transport the replaced reactor 29 to be installed to the installation position or transport the replaced reactor 29 out of the converter valve, and the guide rail assembly is installed on the lower insulating beam 28 of the lower valve layer of the replaced reactor 29; The guide rail assembly, slide assembly 13, beam assembly and suspension assembly can all be disassembled and assembled, and can also be pre-assembled and then installed on the tower, which is quick and convenient to operate; the reactor lifting tool 1 works in conjunction with the reactor slide tool 2 to improve the efficiency of reactor replacement, and the operation is safe and reliable during the reactor replacement process, thereby realizing the rapid replacement of existing conventional ultra-high voltage converter valve reactors and improving the replacement efficiency of reactors.

[0025] like Figure 2 As shown, the crossbeam assembly includes: an aluminum alloy crossbeam 3 and an end auxiliary hanging plate 9 installed at one end of the aluminum alloy crossbeam 3; The suspension assembly is installed below the aluminum alloy crossbeam 3. The upper part of the aluminum alloy cross beam 3 is mounted on the upper insulating beam 27 through a first clamping assembly.

[0026] The length of the aluminum alloy beam 3 is longer than the width of the upper insulating beam 27. The aluminum alloy beam 3 is installed below the upper insulating beam 27 through a first clamping assembly. The suspension assembly is suspended below the aluminum alloy beam 3. An end auxiliary hanger plate 9 is installed on one side of the aluminum alloy beam 3. The end auxiliary hanger plate 9 is used for limiting the position to prevent the suspension assembly or the first clamping assembly from slipping off the aluminum alloy beam 3.

[0027] Preferably, a slide groove is provided below the aluminum alloy cross beam 3 , and the suspension assembly is slidably disposed in the slide groove of the aluminum alloy cross beam 3 .

[0028] A slide groove is provided below the aluminum alloy cross beam 3, and the suspension assembly is slidably connected to the aluminum alloy cross beam 3. The suspension assembly is slid to the position of the replaced reactor 29 through the slide groove, and then hoisted through the suspension assembly.

[0029] Preferably, the suspension assembly comprises: a four-wheel plate tool trolley 10 slidably mounted in a slide groove of the aluminum alloy cross beam 3 and a manual hoist 11 connected to the four-wheel plate tool trolley 10 .

[0030] The four-wheel plate tool trolley 10 is slidably installed in the slide groove and can move along the slide groove. A hanging ring is provided at the bottom of the four-wheel plate tool trolley 10, and hooks are provided at both ends of the manual hoist 11. One end of the hook is connected to the hanging ring of the four-wheel plate tool trolley 10, and the other end is connected to the replaced inductor 29.

[0031] Preferably, the first clamping assembly comprises: a fixed end and a movable end; The movable end is mounted on one end of the aluminum alloy insulating beam 3 where the end auxiliary hanging plate 9 is mounted; The fixed end is installed on the other end of the aluminum alloy insulating beam 3 .

[0032] The clamping assembly on the aluminum alloy insulating beam 3 is divided into two parts, one part is a fixed end, which is fixedly connected to an end of the aluminum alloy insulating beam 3 away from the end auxiliary hanging plate 9; The other part is a movable end, which is detachably mounted on one end of the aluminum alloy insulating beam 3 provided with an end auxiliary hanging plate 9 , and the mounting position is determined according to the width of the upper insulating beam 27 .

[0033] Preferably, the fixed end comprises: a first crossbeam suspension bracket 4.1 and an L-shaped crossbeam fixing angle piece 6; The first crossbeam suspension bracket 4.1 is fixed to the aluminum alloy crossbeam 3 through the L-shaped crossbeam fixing bracket 5, and the L-shaped crossbeam fixing angle piece 6 is fixed to the aluminum alloy crossbeam 3; The first crossbeam hanging bracket 4 . 1 and the L-shaped crossbeam fixing angle piece 6 cooperate with each other to clamp the upper insulating beam 27 .

[0034] The L-shaped beam fixing bracket 5 and the L-shaped beam fixing angle piece 6 are provided in two groups and are respectively installed on both sides of the aluminum alloy insulating beam 3 .

[0035] The top of the first crossbeam hanging bracket 4.1 is provided with a hook bent inwards, and is hung on the upper insulating beam 27 through the hook. The bottom end of the first crossbeam hanging bracket 4.1 is fixedly connected to the aluminum alloy insulating beam 3 through the L-shaped crossbeam fixing bracket 5. The L-shaped crossbeam fixing angle piece 6 is connected to one side of the bent hook at the top of the first crossbeam hanging bracket 4.1. A long hole is provided at the connection between the L-shaped crossbeam fixing angle piece 6 and the aluminum alloy insulating beam 3, so that the height can be adjusted during fixation. The L-shaped crossbeam fixing angle piece 6 and the first crossbeam hanging bracket 4.1 jointly realize the clamping of the fixed end on the upper insulating beam 27.

[0036] Preferably, the movable end comprises: a second crossbeam suspension bracket 4.2 and an L-shaped crossbeam movable corner piece 8; The second crossbeam suspension bracket 4.2 is detachably connected to the aluminum alloy crossbeam 3 via the L-shaped crossbeam movable bracket 7, the L-shaped crossbeam movable corner piece 8 is detachably connected to the aluminum alloy crossbeam 3, and the second crossbeam suspension bracket 4.2, the L-shaped crossbeam movable bracket 7 and the L-shaped crossbeam movable corner piece 8 can all be moved on the aluminum alloy crossbeam 3; The second crossbeam suspension bracket 4 . 2 and the L-shaped crossbeam movable corner piece 8 cooperate with each other to clamp the upper insulating beam 27 .

[0037] The L-shaped crossbeam movable corner pieces 8 and the L-shaped crossbeam movable brackets 7 are symmetrically provided in two groups, and the two groups of the L-shaped crossbeam movable corner pieces 8 and the L-shaped crossbeam movable brackets 7 are respectively located on the left and right sides of the aluminum alloy insulating beam 3.

[0038] The structure of the movable end is basically the same as that of the fixed end. The top end of the second beam suspension bracket 4.2 is provided with a hook bent inwardly, which is hung on the upper layer 27 of the insulating beam through the hook. The second beam suspension bracket 4.2 is connected to the L-shaped beam movable bracket 7 on both sides through bolts. The second beam suspension bracket 4.2 is detachably connected to the aluminum alloy insulating beam 3 through the L-shaped beam movable bracket 7. The L-shaped beam movable angle piece 8 is connected to the side of the bent hook at the top end of the second beam suspension bracket 4.2. The L-shaped beam movable angle piece 8 is also connected to the square nut in the slide groove of the aluminum alloy beam 3 through bolts, so as to realize the adjustment of the span of the lifting tooling. The second beam suspension bracket 4.2, the L-shaped beam movable bracket 7 and the L-shaped beam movable angle piece 8 are connected to the slide groove of the aluminum alloy beam 3, and can move along the aluminum alloy beam 3 in the slide groove.

[0039] A long hole is provided at the connection between the L-shaped beam fixing angle piece 6 and the aluminum alloy insulating beam 3, so that the height can be adjusted during fixation. The L-shaped beam movable bracket 7 and the second beam hanging bracket 4.2 jointly realize the clamping of the fixed end on the upper insulating beam 27.

[0040] like Figure 3 As shown, the slide assembly 13 includes: a slide tray 25 and a slide base 24 fixedly connected to the bottom of the slide tray 25; The slide base 24 is slidably matched with the guide rail assembly to drive the slide tray 25 to move horizontally along the guide rail assembly.

[0041] The aluminum alloy guide rail assembly 12 and the slide assembly 13 are movably connected by line contact.

[0042] The slide assembly 13 is composed of the slide tray 25 and the slide base 24. The slide tray 25 is an inwardly recessed tray structure, preferably a square structure matching the shape of the replaced inductor 29. The replaced inductor 29 is not easily displaced due to movement in the square tray, which causes position deviation during installation. The bottom of the slide tray 25 is provided with a slide base 24 with a U-shaped slide groove structure. The slide base 24 is slidably connected to the guide rail assembly. When working, the slide base 24 drives the slide tray 25 to move on the guide rail assembly.

[0043] The slide base 24 is provided with a threaded hole and is connected to the slide tray 25 via a countersunk screw.

[0044] Preferably, the slide base 24 is a U-shaped slide groove structure, and a universal ball bearing 26 is provided in the U-shaped slide groove; The slide base 24 is slidably connected to the rail assembly via the universal ball bearing 26 .

[0045] The universal ball bearing 26 is a flange structure, and is connected to the slide base 24 via a hexagon socket head combination screw.

[0046] like Figure 4 As shown, the guide rail assembly includes: an aluminum alloy guide rail group 12 and slide table limit bolts 19 arranged at both ends of the aluminum alloy guide rail group 12; The slide assembly 13 is slidably mounted on the upper part of the aluminum alloy guide rail set 12 , and the lower part of the aluminum alloy guide rail set 12 is mounted on the lower insulating beam 28 via a second clamping assembly.

[0047] The slide limit bolts 19 are arranged at both ends of the aluminum alloy guide rail set 12 , and the aluminum alloy guide rail set 12 is used to ensure that the slide assembly 13 will not slip off the aluminum alloy guide rail set 12 during operation.

[0048] The aluminum alloy guide rail set 12 is mounted above the lower insulating beam 28 through the second clamping assembly.

[0049] Preferably, the aluminum alloy guide rail assembly 12 comprises: two parallel guide profiles 20, a plurality of support profiles 21 and an adjustment profile 22 vertically fixed between the two guide profiles 20 through profile angle pieces 23 to form a grid structure; The slide assembly 13 is slidably mounted on the two guide profiles 20 .

[0050] The guide profiles 20 are symmetrically provided with two, the support profiles 21 are spaced apart with six, the adjustment profiles 22 are provided with two, and a total of 16 profile angle pieces 23 are provided for fixing the support profiles 21 and the adjustment profiles 22.

[0051] Preferably, the guide profile 20 adopts a 90° double-sided sealing groove structure.

[0052] The guide profile 20 adopts a 90° double-sided sealing groove structure, one end is provided with a through hole on two non-sealed groove end surfaces, and two ends are provided with threaded holes on two sealed groove end surfaces.

[0053] Preferably, the supporting profile 21 and the adjusting profile 22 both adopt a non-sealed groove structure and are connected to the guiding profile 20 and the profile angle piece 23 by bolts.

[0054] The six supporting profiles 21 all adopt a non-sealed groove structure and are connected to the guide profile 20 and the twelve profile angle pieces 23 by bolts.

[0055] The three adjustment profiles 22 are of a non-sealed groove structure and are connected to the guide profile 20 and the four profile angle pieces 23 by bolts.

[0056] like Figure 5 As shown, the second clamping assembly includes: a rail fixing assembly fixedly connected to one end of the aluminum alloy rail group 12 and a rail moving assembly detachably connected to the other end of the aluminum alloy rail group 12, and the rail moving assembly can move on the aluminum alloy rail group 12.

[0057] The second clamping assembly of the reactor slide fixture 2 is divided into two parts: a guide rail fixing assembly and a guide rail moving assembly; The guide rail fixing component is fixed to one end of the aluminum alloy guide rail group 12, and the guide rail moving component is detachably installed on the other end of the aluminum alloy guide rail group 12. The guide rail moving component can be moved on the aluminum alloy guide rail group 12 so that its position is adjusted according to the width of the lower insulating beam 28.

[0058] Preferably, the guide rail fixing assembly comprises: a first insulating beam locking bracket 14.1, a first guide rail bracket 15.1, a first guide rail inner bracket 17.1 and a first insulating beam limiting bracket 16.1; The first guide rail bracket 15.1 is installed below the aluminum alloy guide rail set 12; The first insulating beam limiting bracket 16.1 is connected to one side of the first guide rail bracket 15.1, and the first insulating beam locking bracket 14.1 is arranged toward the direction of the guide rail moving assembly, wherein: a locking bolt 18 is connected to the bottom of the first insulating beam locking bracket 14.1; The first guide rail inner bracket 17.1 is connected below the adjustment profile 22; The first insulating beam limiting bracket 16.1 is connected to one side of the first guide rail inner bracket 17.1 and faces opposite to the first guide rail bracket 15.1; The first insulating beam locking bracket 14.1, the locking bolt 18, the first guide rail inner bracket 17.1 and the first insulating beam limiting bracket 16.1 jointly clamp the lower insulating beam 28 of the next valve layer of the replaced reactor 29.

[0059] The first guide rail brackets 15 . 1 are symmetrically provided in two groups, and the two groups of the first guide rail brackets 15 . 1 are respectively arranged on the lower sides of two guide profiles 20 .

[0060] The first insulating beam locking bracket 14.1 is connected to the first guide rail bracket 15.1 through bolts; the first guide rail bracket 15.1 is connected to the through hole end on the guide profile 20 through bolts.

[0061] The guide rail fixing assembly is clamped between the fixing end and the lower insulating beam 28 through the first insulating beam locking bracket 14 . 1 and the locking bolt 18 .

[0062] The first insulating beam limiting bracket 16.1 is provided with a threaded hole; the first guide rail inner bracket 17.1 is provided with a long hole, which is connected to the first insulating beam limiting bracket 16.1 by bolts.

[0063] The first guide rail inner bracket 17 . 1 is connected to the square nut in the sliding groove of the adjustment profile 22 by means of bolts.

[0064] Preferably, the guide rail moving assembly includes: a second insulating beam locking bracket 14.2, a second guide rail bracket 15.2, a second guide rail inner bracket 17.2 and a second insulating beam limiting bracket 16.2; The second guide rail bracket 15.2 is detachably mounted below the aluminum alloy guide rail set 12, and the second guide rail bracket 15.2 is movable on the aluminum alloy guide rail set 12; The second insulating beam locking bracket 14.2 is connected to one side of the second guide rail bracket 15.2, the second insulating beam locking bracket 14.2 is arranged toward the guide rail fixing assembly, and a locking bolt 18 is connected to the bottom of the second insulating beam locking bracket 14.2; The second guide rail inner bracket 17.2 is detachably connected below the adjustment profile 22, and the second guide rail inner bracket 17.2 can move on the adjustment profile 22; The second insulating beam limiting bracket 16.2 is connected to one side of the second guide rail inner bracket 17.2 and faces opposite to the second guide rail bracket 15.2; The second insulating beam locking bracket 14.2, the locking bolt 18, the second guide rail inner bracket 17.2 and the second insulating beam limiting bracket 16.2 jointly clamp the lower insulating beam 28 of the next valve layer of the replaced reactor 29.

[0065] The second insulating beam locking bracket 14.2 is connected to the second guide rail bracket 15.2 by bolts; the second guide rail bracket 15.2 is connected to the square nut in the sliding groove at the non-hole end of the guide profile 20.

[0066] The guide rail moving assembly achieves clamping of the fixed end and the lower insulating beam 28 through the second insulating beam locking bracket 14 . 2 and the locking bolt 18 .

[0067] The second insulating beam limiting bracket 16.2 is provided with a threaded hole; the second guide rail inner bracket 17.2 is provided with a long hole and is connected to the second insulating beam limiting bracket 16.2 by bolts.

[0068] The second guide rail inner bracket 17.2 is connected to the square nut in the sliding groove of the adjustment profile 22 through bolts.

[0069] Silicon rubber pads are pasted on the inner surfaces of the crossbeam hanging bracket 4.1, the second crossbeam hanging bracket 4.2, the first insulating beam locking bracket 14.1, the second insulating beam locking bracket 14.2 and the second insulating beam limiting bracket 16.2. Embodiment 2:

[0070] The present invention based on the same inventive concept also provides a method for replacing a UHV converter valve reactor, such as Figure 6 As shown: remove the reactor that needs to be replaced in the valve layer and install the new reactor.

[0071] A method for replacing a UHV converter valve reactor is implemented by using a UHV converter valve reactor replacement tool as described in any one of the above items, such as Figure 7 As shown, the method includes: Install and secure the crossbeam assembly of the reactor hoisting tool 1 on the upper insulating beam 27 of the valve layer above the reactor 29 to be replaced; Install and secure the guide rail assembly of the reactor slide fixture 2 on the lower insulating beam 28 of the next valve layer of the reactor 29 to be replaced; The suspension assembly places the replaced reactor 29 on the slide assembly 13, and drives the replaced reactor 29 to slide out of the UHV converter valve through the guide rail assembly; or drives a new reactor into the UHV converter valve through the guide rail assembly to achieve replacement.

[0072] First, install and secure the reactor lifting fixture 1 at the upper insulating beam 27 corresponding to the replacement reactor, install and secure the reactor slide fixture 2 at the lower insulating beam 28 corresponding to the replacement reactor, remove the shielding cover, busbar, drip tray and other components on one side of the replacement reactor, and then place the removed reactor 29 on the slide assembly 13 of the reactor slide fixture 2 through the reactor lifting fixture 1. Under the guidance of the aluminum alloy guide rail group 12, slide it out to the middle position of the valve tower in a specific direction, and use the valve hall lifting device to lower the removed reactor 29 to the valve hall floor, and then replace the new reactor to the installation position.

[0073] The detailed operation process is as follows: first, place the first beam hanging bracket 4.1 at the fixed end and the second beam hanging bracket 4.2 at the movable end on the insulating beams on both sides respectively, install the L-shaped beam fixing bracket 5 and the L-shaped beam fixing angle piece 6 at the fixed end of the aluminum alloy insulating beam 3, and adjust the position of the L-shaped beam fixing angle piece 6, and complete the installation of the fixed end of the reactor lifting fixture 1 after the connecting bolts are tightened, install the L-shaped beam movable bracket 7 and the L-shaped beam movable angle piece 8 at the movable end, and adjust them to the appropriate position, adjust the position of the L-shaped beam movable angle piece 8, and complete the positioning and clamping of the movable end of the reactor lifting fixture 1 after the connecting bolts and the square nuts in the aluminum alloy beam 3 are tightened; then start the pre-assembly of the reactor slide fixture 2, and complete the assembly of the guide rail assembly and the slide assembly 13 on the ground respectively, and the aluminum alloy guide rail group 12 and the adjustment profile 22 of the guide rail assembly are used Connect with bolts, the bolts are not tightened, and the position of the adjustment profile 22 is changeable. After completion, assemble the slide assembly 13, 4 slide limit bolts 19, the first insulating beam locking bracket 14.1 at the fixed end, 2 first guide rail brackets 15.1 and 2 locking bolts 18 and the second insulating beam locking bracket 14.2, 2 second guide rail brackets 15.2 and 2 locking bolts at the movable end; finally install the first insulating beam limit bracket 16.1 and the second insulating beam limit bracket 16.2, the two insulating beam limit brackets, the first guide rail inner bracket 17.1 and the second guide rail inner bracket 17.2 and the pre-assembled components, tighten the locking bolt 18 at the fixed end, complete the positioning and clamping of the fixed end, after the movable end is adjusted to the appropriate position, tighten the locking bolt 18, and when all bolts are tightened, the installation of the reactor slide tooling 2 is finally completed. The dismantled reactor 29 is placed on the slide assembly 13 using the reactor lifting tool 1, and is slid out to the middle position of the valve tower along the aluminum alloy guide rail group 12. The dismantled reactor 29 is lowered to the valve hall floor with the help of the valve hall lifting device, and then a new reactor is replaced to the installation position. The installation process of the new reactor is the reverse of the disassembly process.

[0074] The above are merely embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are included in the scope of the claims of the present invention to be approved.

Claims

1. A tool for replacing a UHV converter valve reactor, characterized in that: include: Reactor hoisting tool (1) and reactor slide tool (2); The reactor hoisting tool (1) comprises a crossbeam assembly mounted on an upper insulating beam (27) of a valve layer above the reactor (29) to be replaced and a suspension assembly fixed to the crossbeam assembly; The reactor slide tool (2) comprises a guide rail assembly mounted on a lower insulating beam (28) of a valve layer below the replaced reactor (29) and a slide assembly (13) slidably engaged with the guide rail assembly, the slide being used to adjust the horizontal position of the replaced reactor (29).

2. The tool for replacing a UHV converter valve reactor according to claim 1, characterized in that: The crossbeam assembly comprises: an aluminum alloy crossbeam (3) and an end auxiliary hanging plate (9) installed at one end of the aluminum alloy crossbeam (3); The suspension assembly is installed below the aluminum alloy crossbeam (3). The upper part of the aluminum alloy cross beam (3) is mounted on the upper insulating beam (27) via a first clamping assembly.

3. The tooling for replacing a UHV converter valve reactor according to claim 2, characterized in that: A slide groove is provided below the aluminum alloy cross beam (3), and the suspension component is slidably arranged in the slide groove of the aluminum alloy cross beam (3).

4. The tool for replacing a UHV converter valve reactor according to claim 3, characterized in that: The suspension assembly comprises: a four-wheel plate-type tool trolley (10) slidably mounted in a slide groove of the aluminum alloy crossbeam (3) and a manual hoist (11) connected to the four-wheel plate-type tool trolley (10).

5. The tool for replacing a UHV converter valve reactor according to claim 2, characterized in that: The first clamping assembly includes: a fixed end and a movable end; The movable end is mounted on one end of the aluminum alloy insulating beam (3) on which the end auxiliary hanging plate (9) is mounted; The fixed end is mounted on the other end of the aluminum alloy insulating beam (3).

6. The tool for replacing a UHV converter valve reactor according to claim 5, characterized in that: The fixed end comprises: a first crossbeam hanging bracket (4.1) and an L-shaped crossbeam fixing angle piece (6); The first crossbeam suspension bracket (4.1) is fixed to the aluminum alloy crossbeam (3) via the L-shaped crossbeam fixing bracket (5), and the L-shaped crossbeam fixing angle piece (6) is fixed to the aluminum alloy crossbeam (3); The first crossbeam hanging bracket (4.1) and the L-shaped crossbeam fixing angle piece (6) cooperate with each other to clamp the upper insulating beam (27).

7. The tool for replacing a UHV converter valve reactor according to claim 5, characterized in that: The movable end comprises: a second crossbeam suspension bracket (4.2) and an L-shaped crossbeam movable corner piece (8); The second crossbeam suspension bracket (4.2) is detachably connected to the aluminum alloy crossbeam (3) via an L-shaped crossbeam movable bracket (7), the L-shaped crossbeam movable corner piece (8) is detachably connected to the aluminum alloy crossbeam (3), and the second crossbeam suspension bracket (4.2), the L-shaped crossbeam movable bracket (7) and the L-shaped crossbeam movable corner piece (8) are all movable on the aluminum alloy crossbeam (3); The second crossbeam suspension bracket (4.2) and the L-shaped crossbeam movable corner piece (8) cooperate with each other to clamp the upper insulating beam (27).

8. The tool for replacing a UHV converter valve reactor according to claim 1, characterized in that: The slide assembly (13) comprises: a slide tray (25) and a slide base (24) fixedly connected to the bottom of the slide tray (25); The slide base (24) is slidably matched with the guide rail assembly to drive the slide tray (25) to move horizontally along the guide rail assembly.

9. The tool for replacing a UHV converter valve reactor according to claim 8, characterized in that: The slide base (24) is a U-shaped slide groove structure, and a universal ball bearing (26) is arranged in the U-shaped slide groove; The slide base (24) is slidably connected to the rail assembly via the universal ball bearing (26).

10. The tool for replacing a UHV converter valve reactor according to claim 1, characterized in that: The guide rail assembly comprises: an aluminum alloy guide rail group (12) and slide table limit bolts (19) arranged at two ends of the aluminum alloy guide rail group (12); The slide assembly (13) is slidably mounted on the top of the aluminum alloy guide rail group (12), and the bottom of the aluminum alloy guide rail group (12) is mounted on the lower insulating beam (28) via a second clamping assembly.

11. The tool for replacing a UHV converter valve reactor according to claim 10, characterized in that: The aluminum alloy guide rail assembly (12) comprises: two parallel guide profiles (20), a plurality of support profiles (21) and an adjustment profile (22) vertically fixed between the two guide profiles (20) via profile angle pieces (23) to form a grid structure; The slide assembly (13) is slidably mounted on the two guide profiles (20).

12. The tool for replacing a UHV converter valve reactor according to claim 11, characterized in that: The guide profile (20) adopts a 90° double-sided sealing groove structure.

13. The tool for replacing a UHV converter valve reactor according to claim 11, characterized in that: The supporting profile (21) and the adjusting profile (22) both adopt a non-sealed groove structure and are connected to the guide profile (20) and the profile angle piece (23) by means of bolts.

14. The tool for replacing a UHV converter valve reactor according to claim 10, characterized in that: The second clamping assembly comprises: a guide rail fixing assembly fixedly connected to one end of the aluminum alloy guide rail assembly (12), and a guide rail moving assembly detachably connected to the other end of the aluminum alloy guide rail assembly (12), and the guide rail moving assembly can move on the aluminum alloy guide rail assembly (12).

15. The tool for replacing a UHV converter valve reactor according to claim 14, characterized in that: The guide rail fixing assembly comprises: a first insulating beam locking bracket (14.1), a first guide rail bracket (15.1), a first guide rail inner bracket (17.1) and a first insulating beam limiting bracket (16.1); The first guide rail bracket (15.1) is installed below the aluminum alloy guide rail assembly (12); The first insulating beam limiting bracket (16.1) is connected to one side of the first guide rail bracket (15.1), the first insulating beam locking bracket (14.1) is arranged in the direction of the guide rail moving assembly, and the bottom of the first insulating beam locking bracket (14.1) is connected to a locking bolt (18); The first guide rail inner bracket (17.1) is connected below the adjustment profile (22); The first insulating beam limiting bracket (16.1) is connected to one side of the first guide rail inner bracket (17.1) and faces opposite to the first guide rail bracket (15.1); The first insulating beam locking bracket (14.1), the locking bolt (18), the first guide rail inner bracket (17.1) and the first insulating beam limiting bracket (16.1) jointly clamp the lower insulating beam (28) of the next valve layer of the replaced reactor (29).

16. The tool for replacing a UHV converter valve reactor according to claim 14, characterized in that: The guide rail moving assembly comprises: a second insulating beam locking bracket (14.2), a second guide rail bracket (15.2), a second guide rail inner bracket (17.2) and a second insulating beam limiting bracket (16.2); The second guide rail bracket (15.2) is detachably mounted below the aluminum alloy guide rail set (12), and the second guide rail bracket (15.2) is movable on the aluminum alloy guide rail set (12); The second insulating beam locking bracket (14.2) is connected to one side of the second guide rail bracket (15.2), the second insulating beam locking bracket (14.2) is arranged in the direction of the guide rail fixing assembly, and a locking bolt (18) is connected to the bottom of the second insulating beam locking bracket (14.2); The second guide rail inner bracket (17.2) is detachably connected below the adjustment profile (22), and the second guide rail inner bracket (17.2) is movable on the adjustment profile (22); The second insulating beam limiting bracket (16.2) is connected to one side of the second guide rail inner bracket (17.2) and faces opposite to the second guide rail bracket (15.2); The second insulating beam locking bracket (14.2), the locking bolt (18), the second guide rail inner bracket (17.2) and the second insulating beam limiting bracket (16.2) jointly clamp the lower insulating beam (28) of the next valve layer of the replaced reactor (29).

17. A method for replacing a UHV converter valve reactor, characterized in that: The method is implemented by using a UHV converter valve reactor replacement tool as claimed in any one of claims 1 to 16, the method comprising: Install and secure the crossbeam assembly of the reactor hoisting tool (1) on the upper insulating beam (27) of the valve layer above the reactor (29) to be replaced; Install and secure the guide rail assembly of the reactor slide fixture (2) on the lower insulating beam (28) of the next valve layer of the reactor (29) to be replaced; The suspension assembly places the replaced reactor (29) that has been removed on the slide assembly (13), and drives the replaced reactor (29) to slide out of the ultra-high voltage converter valve through the guide rail assembly; or drives a new reactor into the ultra-high voltage converter valve through the guide rail assembly to achieve replacement.

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