CN109003806B - Converter transformer valve side sleeve installation method - Google Patents
Converter transformer valve side sleeve installation method Download PDFInfo
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- CN109003806B CN109003806B CN201810880157.6A CN201810880157A CN109003806B CN 109003806 B CN109003806 B CN 109003806B CN 201810880157 A CN201810880157 A CN 201810880157A CN 109003806 B CN109003806 B CN 109003806B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/125—Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
Abstract
The invention relates to a method for installing a converter transformer valve side sleeve, which comprises the working procedures of installing, locking, centering, separating and the like of the sleeve by using a sleeve installation device. The invention realizes the processes of clamping, locking, centering, mounting and the like of the sleeve by utilizing a series of devices, greatly reduces the assembly difficulty of the sleeve and improves the alignment precision of the sleeve and the outgoing line sleeve.
Description
Technical Field
The invention belongs to the technical field of special tools for manufacturing transformers, and particularly relates to a method for installing a valve side sleeve of a converter transformer.
Background
The converter transformer is a power transformer connected between a converter bridge and an alternating current system, and is a main device of a direct current transmission system. At present, a manual hoisting mode is mostly adopted for installing a valve side sleeve of a converter transformer, and the valve side sleeve is installed in an inclined mode, wherein the weight of the valve side sleeve can reach 4-5t, the length of the valve side sleeve can reach more than 15m, so that the assembly difficulty of the valve side sleeve is increased by the manual hoisting mode, and the valve side sleeve can be damaged or destroyed by carelessness; in addition, the alignment precision of the valve side sleeve and the converter transformer outlet device is difficult to control by adopting a manual hoisting mode.
Disclosure of Invention
The invention aims to provide a method for installing a converter transformer valve side sleeve.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for installing a valve side sleeve of a converter transformer adopts a valve side sleeve installation device of the converter transformer to install, the valve side sleeve installation device of the converter transformer comprises a clamping device used for clamping and locking a sleeve, the clamping device is connected with an adjusting device to realize the adjustment of the vertical, the left and the right, the pitching and the rotating positions of the sleeve, a centering device is arranged between the sleeve and an outgoing line sleeve on the converter transformer, the clamping device is driven by a power part to move towards the direction of the outgoing line sleeve after the sleeve and the outgoing line sleeve are centered, so that the end part of the sleeve enters the outgoing line sleeve to realize the butt joint of the sleeve and the outgoing line sleeve, and the sleeve is separated from the clamping device through an unlocking device;
the clamping device comprises a chassis, a first clamping part and a second clamping part are respectively arranged at two ends of the chassis, the second clamping part comprises a first clamping arm and a second clamping arm which are symmetrically arranged, the first clamping arm and the second clamping arm form a state that the opening is upward and the whole body is U-shaped in an initial state, and the first clamping arm and the second clamping arm form a state that the opening is closed to clamp the sleeve in a clamping state; the first clamping arm is connected with a clamping arm support arranged on the chassis through a connecting shaft, the connecting shaft is a special-shaped shaft and comprises a first shaft section with a circular cross section and a second shaft section with a square cross section, the diameter of the first shaft section is smaller than the length of a diagonal line of the second shaft section, a round hole section and a square hole section which are matched with the first shaft section and the second shaft section are arranged inside the first clamping arm, a pressure spring is sleeved on the connecting shaft, when the pressure spring is compressed, the second shaft section of the connecting shaft is separated from the square hole section in the first clamping arm, the first clamping arm is in an initial state capable of placing a sleeve at the moment, when the pressure spring is stretched, the second shaft section of the connecting shaft is matched with the square hole section in the first clamping arm, and the first clamping arm is in a clamping state capable of;
the centering device comprises a first reference plate and a second reference plate which are fixed below the underframe along the front-back direction, the centering device further comprises a visible light beam emitting device arranged below the wire outlet sleeve, a through hole is formed in the center of the first reference plate, the centering device further comprises a visible light beam emitting device arranged below the wire outlet sleeve, a cross line is formed in the center of the second reference plate, the through hole is located on an extension line of a connecting line of a rotation center of the pitching position and the rotation position of the sleeve, and when the visible light beam emitted by the visible light beam emitting device passes through the through hole of the first reference plate and is aligned with the cross line of the second reference plate, the sleeve and the wire outlet sleeve are in a centering state; the visible light beam emitting device is arranged on a connecting plate, the connecting plate is sleeved below the wire outlet sleeve through an elastic clamp, and the connecting plate is a clamping plate with an included angle formed by a first plate and a second plate;
the adjusting device comprises a first adjusting device for adjusting the pitching position of the clamping device, the first adjusting device comprises a four-bar mechanism consisting of an upper connecting bar, a lower connecting bar, a left connecting bar and a right connecting bar, and a seat body, wherein the upper connecting bar is in sliding fit with the bottom frame of the clamping device, the middle position of the lower connecting bar is hinged with the seat body, the end part of the right connecting bar is provided with an extension section, the extension section is hinged with the seat body through a power rod, and the power rod is connected with a rotating hand wheel arranged on the seat body through a gear reducer; the adjusting device also comprises a second adjusting device for adjusting the rotating position of the clamping device, the second adjusting device comprises a rotary table and a square table which are sequentially arranged below the base body, the rotary table is fixedly connected with the base body, the rotary table is rotatably connected with the square table, and a second lead screw and nut mechanism for driving the rotary table to rotate is arranged on the square table; the adjusting device also comprises a third adjusting device for adjusting the left and right positions of the clamping device, the third adjusting device comprises a U-shaped base body arranged below the square platform, and a third screw-nut mechanism for driving the square platform to move left and right is arranged between the U-shaped base body and the square platform; the adjusting device also comprises a fourth adjusting device for adjusting the vertical position of the clamping device, the fourth adjusting device comprises an upper table top and a lower table top which are arranged in parallel, a double-fork arm for connecting the upper table top and the lower table top is arranged between the upper table top and the lower table top, the double-fork arm is driven to act by a fourth screw-nut mechanism, and adjusting feet are arranged at the four corners of the lower table top;
the unlocking device comprises a first stop block and a second stop block which are respectively arranged on the upper connecting rod and the connecting plate, and the first stop block and the second stop block are respectively matched with the second clamping part and the first clamping part;
the installation method comprises the following steps:
step 1: in the initial state, adjusting the adjusting feet at the bottom of the lower table top to enable the upper table top to be in a horizontal state;
step 2: adjusting the position of the connecting plate on the wire outlet sleeve to enable the central axis of the visible light beam emitting device fixed on the connecting plate and the central axis of the wire outlet sleeve to be in the same vertical plane;
and step 3: the position of the sleeve is adjusted through the adjusting device, so that the central axis of the sleeve is matched with the central axis of the outgoing line sleeve.
And 4, step 4: the sleeve is arranged on a first clamping part and a second clamping part of the clamping device, and the first clamping arm and the second clamping arm clamp and lock the sleeve.
And 5: the power part drives the clamping device to drive the sleeve to move towards the direction of the wire outlet sleeve, so that the connecting part of the sleeve enters the wire outlet sleeve;
step 6: when the sleeve enters the outgoing line sleeve, the unlocking device releases the locking of the clamping device on the sleeve;
and 7: the height of the upper table top is reduced, so that the sleeve is separated from the clamping device;
and 8: the sleeve and the outgoing line sleeve are locked through a bolt; the installation process is ended.
In the step 2, the position of the connecting plate is adjusted by adjusting the position of the elastic hoop, the horizontal ruler placed on the connecting plate support is observed while adjusting, and when the horizontal ruler is horizontal, the central axis of the visible light beam emitting device and the central axis of the outgoing line sleeve are in the same vertical plane.
In the step 3, the coincidence of the central axis of the sleeve and the central axis of the outgoing line sleeve means that the visible light emitted by the visible light beam emitting device falls at the center of the crosshair of the second reference plate after passing through the through hole of the first reference plate.
In the step 3, the adjusting device adjusts the up-down, left-right, pitching and rotating positions of the sleeve.
In the step 4, when the clamping device is in an initial state, the pressure spring on the connecting shaft is in a compression state, the second shaft section of the connecting shaft is separated from the square hole section in the first clamping arm, and the first clamping arm rotates around the first shaft section of the connecting shaft under the action of the gravity of the sleeve; when the square hole section in the first clamping arm is rotated to be matched with the second shaft section of the connecting shaft, the second shaft section of the connecting shaft moves to the left into the square hole section in the first clamping arm under the action of the pressure spring, and the first clamping arm, the second clamping arm and the sleeve are locked at the moment.
In the step 6, the first stop block and the second stop block in the unlocking device are respectively contacted with the second clamping part and the connecting shaft on the first clamping part and extrude the connecting shaft, at the moment, the pressure spring is compressed, the second shaft section of the connecting shaft is separated from the square hole section in the first clamping arm, and the locking of the first clamping arm on the sleeve is released.
The invention has the technical effects that: the invention realizes the processes of clamping, locking, centering, mounting and the like of the sleeve by utilizing a series of devices, greatly reduces the assembly difficulty of the sleeve and improves the alignment precision of the sleeve and the outgoing line sleeve.
Drawings
Fig. 1 is a schematic perspective view of a mounting device according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a clamping device and an adjusting device according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a clamping device provided in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is an exploded view of the first clip arm and the connecting shaft according to the embodiment of the present invention;
FIG. 6 is a schematic perspective view of a centering device according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a connection plate provided in an embodiment of the present invention;
FIG. 8 is a schematic diagram of a centering device provided by an embodiment of the present invention;
FIG. 9 is a schematic perspective view of a sleeve according to an embodiment of the present invention before being clamped;
FIG. 10 is a front view of a sleeve provided in accordance with an embodiment of the present invention prior to clamping;
FIG. 11 is a right side view of FIG. 10;
FIG. 12 is a perspective view of a sleeve according to an embodiment of the present invention when locked;
FIG. 13 is a front view of a sleeve as it is being locked in accordance with an embodiment of the present invention;
FIG. 14 is an enlarged view of portion B of FIG. 13;
FIG. 15 is a right side view of FIG. 13;
FIG. 16 is a perspective view of a sleeve provided in accordance with an embodiment of the present invention when unlocked;
FIG. 17 is a front view of a sleeve provided by an embodiment of the present invention when unlocked;
FIG. 18 is an enlarged view of section C of FIG. 17;
fig. 19 is a right side view of fig. 17.
Detailed Description
The following describes in detail a specific embodiment of the present invention with reference to fig. 1 to 19.
A converter transformer valve side sleeve installation device comprises a clamping device used for clamping and locking a sleeve 10, the clamping device is connected with an adjusting device to achieve adjustment of the up-down, left-right, pitching and rotating positions of the sleeve 10, a centering device is arranged between the sleeve 10 and an outgoing line sleeve 30 on a converter transformer 20, the clamping device is driven by a power part to move towards the outgoing line sleeve 30 after the sleeve 10 and the outgoing line sleeve 30 are centered, so that the end part of the sleeve 10 enters the outgoing line sleeve 30 to achieve butt joint of the sleeve 10 and the outgoing line sleeve 30, and the sleeve 10 is separated from the clamping device through an unlocking device.
As shown in fig. 1, 2, 3, 4, and 5, one of the specific implementations of the clamping device provided by the present invention is as follows:
the clamping device includes a chassis 110, a first clamping portion 120 and a second clamping portion 130 are respectively disposed at two ends of the chassis 110, the second clamping portion 130 includes a first clamping arm 131 and a second clamping arm 132 which are symmetrically disposed, the first clamping arm 131 and the second clamping arm 132 form a state in which openings are upward and the whole is U-shaped in an initial state, and the first clamping arm 131 and the second clamping arm 132 form a state in which the openings are closed to clamp the sleeve 10 in a clamping state.
The structure of the first clamping portion 120 is the same as that of the second clamping portion 130, the structure of the first clamping arm 131 is the same as that of the second clamping arm 132, and only the structures of the second clamping portion 130 and the first clamping arm 131 are specifically described herein, and the structures of the first clamping portion 120 and the second clamping arm 132 are not described herein again, and reference may be made to the second clamping portion 130 and the first clamping arm 131 specifically.
Further, the first clamping arm 131 is rectangular integrally, the connecting surface between the two ends of the first clamping arm 131 is an arc surface matched with the radian of the sleeve 10, and the two ends of the first clamping arm 131 are respectively provided with a roller 133 which forms a rolling fit with the surface of the sleeve 10.
Preferably, the sleeve 10 is provided with a flange 11 which is matched with the second clamping portion 130, that is, rollers 133 at both ends of the first clamping arm 131 are clamped at the flange position of the sleeve 10.
Further, the first clip arm 131 is connected to the clip arm bracket 140 disposed on the chassis 110 through a connection shaft 150, the connection shaft 150 is a special-shaped shaft, and includes a first shaft segment 151 with a circular cross section and a second shaft segment 152 with a square cross section, the diameter of the first shaft segment 151 is smaller than the length of the diagonal line of the second shaft segment 152, a circular hole segment and a square hole segment are disposed inside the first clip arm 131 and are matched with the first shaft segment 151 and the second shaft segment 152, a pressure spring 153 is sleeved on the connection shaft 150, when the pressure spring 153 is compressed, the second shaft segment 152 of the connection shaft 150 is separated from the square hole segment in the first clip arm 131, at this time, the first clip arm 131 is in an initial state capable of placing the sleeve 10, when the pressure spring 153 is extended, the second shaft segment 152 of the connection shaft 150 is matched with the square hole segment in the first clip arm 131, and at this time, the first.
Further, the clip arm bracket 140 is disposed perpendicular to the chassis 110, the clip arm bracket 140 includes a first support plate 141 and a second support plate 142 disposed in parallel, the first clip arm 131 is disposed between the first support plate 141 and the second support plate 142 and fixed to the first support plate 141 and the second support plate 142 through a connecting shaft 150, two ends of the first shaft segment 151 and the second shaft segment 152 are respectively provided with a first baffle 154 and a second baffle 155, the pressure spring 153 is disposed on the first shaft segment 151 between the first baffle 154 and the first support plate 141, the first support plate 141 is matched with the first shaft segment 151, and the second support plate 142 is matched with the second shaft segment 152.
Preferably, the chassis 110 is further provided with a limiting block 160 for limiting the position of the first clamping arm 131 in a clamping state, the limiting block 160 is located below the first clamping arm 131 and between the first supporting plate 141 and the second supporting plate 142, and a limiting surface of the limiting block 160, which is matched with the first clamping arm 131, is an inclined surface. After the first clamping arm 131 clamps the sleeve 10, the limiting block 160 may limit the rotation of the first clamping arm 131, so as to prevent the sleeve 10 from being damaged due to the failure of the first clamping arm 131.
In the embodiment of the present invention, as shown in fig. 9, 10, and 11, the first clamping arm 131 and the second clamping arm 132 form a U-shaped structure with an upward opening in an initial state, the pressure spring 153 is in a compressed state at this time, the second shaft section 152 of the connecting shaft 150 is separated from the square hole section in the first clamping arm 131, that is, the shoulder portion formed by the second shaft section 152 and the first shaft section 151 is clamped on the end surface of the first clamping arm 131 and is misaligned with the square hole section in the first clamping arm 131; as shown in fig. 12, 13, 14 and 15, after the sleeve 10 is put in, the sleeve 10 applies a downward acting force to the first clamping arm 131, because the second shaft section 152 of the connecting shaft 150 is separated from the first clamping arm 131, the first clamping arm 131 can rotate around the first shaft section 151 under the acting force of the sleeve 10, during the rotation, when the square hole section of the first clamping arm 131 is opposite to the second shaft section 152, the connecting shaft 150 moves to the left as a whole, the compression spring 153 expands, the second shaft section 152 retracts to the square hole section in the first clamping arm 131 under the action of the compression spring 153, at this time, the first clamping arm 131 cannot rotate any more under the limitation of the second shaft section 152, and the sleeve 10 is clamped by the cooperation of the first clamping arm 131 and the second clamping arm 132.
As shown in fig. 6, 7, and 8, a specific implementation manner of one of the centering devices provided by the present invention is as follows:
the centering device comprises a first reference plate 210 and a second reference plate 220 which are fixed below the bottom frame 110 along the front-back direction, the centering device further comprises a visible light beam emitting device 230 arranged below the outgoing line sleeve 30, a through hole 211 is formed in the center of the first reference plate 210, a cross line 221 is formed in the center of the second reference plate 220, the through hole 211 is located on an extension line of a connecting line of rotation centers of the pitching position and the rotating position of the sleeve 10, and when a visible light beam emitted by the visible light beam emitting device 230 passes through the through hole 211 of the first reference plate 210 to be aligned with the cross line 221 of the second reference plate 220, the sleeve 10 and the outgoing line sleeve 30 are in a centering state.
Further, the central axis of the visible light beam emitting device 230 and the central axis of the outgoing line sleeve 30 are in the same vertical plane, and the distance between the center of the first reference plate 210 and the center of the second reference plate 220 and the central axis of the bushing 10 is identical to the distance between the center of the visible light beam emitting device 230 and the central axis of the outgoing line sleeve 30.
Further, the visible light beam emitting device 230 is disposed on a connecting plate 240, the connecting plate 240 is sleeved under the line outgoing sleeve 30 through an elastic clamp 250, and the connecting plate 240 is a clamping plate with an included angle formed by a first plate 241 and a second plate 242. When in use, the included angle of the connecting plate 240 can be calculated according to the distance between the visible light beam emitting device 230 and the axis of the line outgoing sleeve 30. For the outgoing line sleeves of different models, the axial distance between the visible light beam emitting device 230 and the outgoing line sleeve 30 can be recalculated, and different connecting plates 240 are replaced.
Preferably, the connecting plate 240 is provided with a bracket 243 for placing a level ruler, which facilitates alignment between the visible light beam emitting device 230 and the outlet sleeve 30.
In the embodiment of the present invention, in the initial design, the distance between the center of the first reference plate 210 and the central axis of the sleeve 10, the distance between the center of the second reference plate 220 and the central axis of the sleeve 10, and the distance between the central axis of the visible light beam emitting device 230 and the central axis of the outgoing sleeve 30 are matched, and meanwhile, the through hole 211 at the center of the first reference plate 210 is located not only at the rotation center of the sleeve 10 in the pitch direction but also at the rotation center of the sleeve 10 in the rotation direction. When the device is used, the position of the visible light beam emitting device 230 is adjusted through the elastic clamp 250, so that the central axis of the visible light beam emitting device 230 and the central axis of the outgoing line sleeve 30 are positioned in the same vertical plane and are kept centered; the position of the sleeve 10 in the up-down, left-right, pitch and rotation directions is adjusted by the adjusting device, so that the visible light emitted by the visible light beam emitting device 230 passes through the through hole at the center of the first reference plate 210 and then is emitted to the center of the cross line of the second reference plate 220, and at this time, the sleeve 10 is matched with the central axis of the outgoing line sleeve 20 and is in a centering state.
As shown in fig. 1 and 2, a specific implementation manner of one of the adjusting devices provided by the present invention is as follows:
the adjusting device comprises a first adjusting device for adjusting the pitching position of the clamping device, the first adjusting device comprises a four-bar linkage consisting of an upper connecting bar 310, a lower connecting bar 320, a left connecting bar 330 and a right connecting bar 340, and a seat body 350, wherein the upper connecting bar 310 is in sliding fit with the bottom frame 110 of the clamping device, the middle position of the lower connecting bar 320 is hinged with the seat body 350, the end part of the right connecting bar 340 is provided with an extension section, the extension section is hinged with the seat body 350 through a power bar 360, and the power bar 360 is connected with a rotating hand wheel 351 arranged on the seat body 350 through a gear reducer 352; namely, the hand wheel 351 is rotated to be matched with the gear reducer 352, so that the power rod 360 is driven to rotate with the hinge shaft of the seat body 350, the power of the four-bar mechanism is driven, and the adjustment of the pitching position of the sleeve 10 is realized;
the adjusting device further comprises a second adjusting device for adjusting the rotating position of the clamping device, the second adjusting device comprises a rotary table 410 and a square table 420 which are sequentially arranged below the base body 350, the rotary table 410 is fixedly connected with the base body 350, the rotary table 410 is rotatably connected with the square table 420, and a second lead screw and nut mechanism 430 for driving the rotary table 410 to rotate is arranged on the square table 420; the second feed screw nut mechanism 430 drives the rotating shaft of the rotating platform 410 to act, so that the rotating platform 410 rotates, and the rotating position of the sleeve 10 is adjusted;
the adjusting device also comprises a third adjusting device for adjusting the left and right positions of the clamping device, the third adjusting device comprises a U-shaped seat body 510 arranged below the square platform 420, and a third screw-nut mechanism 520 for driving the square platform 420 to move left and right is arranged between the U-shaped seat body 510 and the square platform 420; the third feed screw nut mechanism 520 drives the square platform 420 to move left and right in the U-shaped seat body 510, so that the left and right positions of the sleeve 10 are adjusted;
the adjusting device further comprises a fourth adjusting device for adjusting the vertical position of the clamping device, the fourth adjusting device comprises an upper table surface 610 and a lower table surface 620 which are arranged in parallel, a double-fork arm 630 for connecting the upper table surface 610 and the lower table surface 620 is arranged between the upper table surface 610 and the lower table surface 620, the double-fork arm 630 is driven to move by a fourth screw and nut mechanism 640, and adjusting feet 650 are arranged at four corners of the lower table surface 620. Specifically, four end portions of the bifurcate arm 630 are respectively connected to a first slider 631, a second slider 632, a third slider 633 and a fourth slider 634, wherein the first slider 631 and the second slider 632 are respectively fixedly connected to the upper table 610 and the lower table 620, the third slider 633 and the fourth slider 634 are free sliders, a screw 641 of the fourth lead screw-nut mechanism 640 penetrates through the second slider 632 and the fourth slider 634, a hand wheel 642 is disposed at an end portion of the screw 641, and the hand wheel 642 is rotated to drive the fourth slider 634 to translate, so that the upper table 610 ascends or descends.
Further, a sliding block 311 is arranged on the upper connecting rod 310, a sliding groove matched with the sliding block 311 is arranged on the bottom frame 110, and the power part is a first lead screw nut mechanism 380 driving the bottom frame 110 to slide along the upper connecting rod 310.
Furthermore, hand wheels connected with the screw rod are respectively arranged on the first screw rod nut mechanism, the second screw rod nut mechanism, the third screw rod nut mechanism, the fourth screw rod nut mechanism and the screw rod nut mechanism, so that the operation is convenient.
In the embodiment of the invention, when in use, the adjusting pin 650 is adjusted to make the upper table 610 of the fourth adjusting device in a horizontal state; then, the positions of the sleeve in the pitching, rotating, left-right, and up-down directions are adjusted by rotating the hand wheel on the rotating hand wheel and the hand wheels on the second lead screw nut mechanism, the third lead screw nut mechanism, and the fourth lead screw nut mechanism, so that the visible light emitted by the visible light beam emitting device 230 just passes through the through hole 211 to be aligned with the crosshair 221, at this time, the first lead screw nut mechanism 380 drives the chassis 110 to slide along the upper connecting rod 310, so that the connecting part of the sleeve 10 enters the wire outlet sleeve 30, and the flange plates matched with the sleeve 10 and the wire outlet sleeve 30 are locked by bolts, so that the sleeve 10 and the.
As shown in fig. 16, 17, 18, and 19, a specific implementation manner of one of the unlocking devices provided by the present invention is as follows:
the unlocking device includes a first stopper 710 and a second stopper 720 respectively disposed on the upper link 310 and the connecting plate 240, and the first stopper 710 and the second stopper 720 are respectively engaged with the second clamping portion 130 and the first clamping portion 120.
In the embodiment of the present invention, when the sleeve 10 enters the wire outlet sleeve 30, the first stopper 710 and the second stopper 720 respectively press the second clamping portion 130 and the connecting shaft 150 of the first clamping portion 120, at this time, the compression spring 153 is compressed, the second shaft section 152 of the connecting shaft 150 is separated from the square hole sections in the first clamping arm 131 and the second clamping arm 132, the first clamping arm 131 and the second clamping arm 132 are in a rotatable state, and then the fourth adjusting device is adjusted to move the whole adjusting device downward, the first clamping arm 131 and the second clamping arm 132 are separated from the sleeve 10, and the first clamping arm 131 and the second clamping arm 132 return to the above-mentioned initial state to wait for installation of the next sleeve 10.
The invention also provides a method for installing the converter transformer valve side sleeve, which comprises the following steps:
step 1: in the initial state, adjusting the adjusting feet at the bottom of the lower table top to enable the upper table top to be in a horizontal state;
step 2: adjusting the position of the connecting plate on the wire outlet sleeve to enable the central axis of the visible light beam emitting device fixed on the connecting plate and the central axis of the wire outlet sleeve to be in the same vertical plane;
and step 3: the position of the sleeve is adjusted through the adjusting device, so that the central axis of the sleeve is matched with the central axis of the outgoing line sleeve.
And 4, step 4: the sleeve is arranged on a first clamping part and a second clamping part of the clamping device, and the first clamping arm and the second clamping arm clamp and lock the sleeve.
And 5: the power part drives the clamping device to drive the sleeve to move towards the direction of the wire outlet sleeve, so that the connecting part of the sleeve enters the wire outlet sleeve;
step 6: when the sleeve enters the outgoing line sleeve, the unlocking device releases the locking of the clamping device on the sleeve;
and 7: the height of the upper table top is reduced, so that the sleeve is separated from the clamping device;
and 8: the sleeve and the outgoing line sleeve are locked through a bolt; the installation process is ended.
Furthermore, in the step 2, the position of the connecting plate is adjusted by adjusting the position of the elastic hoop, a horizontal ruler placed on the connecting plate support is observed while adjusting, and when the horizontal ruler is horizontal, the central axis of the visible light beam emitting device and the central axis of the outgoing line sleeve are in the same vertical plane.
Further, in step 3, the fact that the central axis of the sleeve is matched with the central axis of the outgoing line sleeve means that the visible light emitted by the visible light beam emitting device falls at the center of the crosshair of the second reference plate after passing through the through hole of the first reference plate.
Further, in step 3, the adjusting device adjusts the up-down, left-right, pitching and rotating positions of the sleeve.
Further, in step 4, when the clamping device is in an initial state, the pressure spring on the connecting shaft is in a compression state, the second shaft section of the connecting shaft is separated from the square hole section in the first clamping arm, and the first clamping arm rotates around the first shaft section of the connecting shaft under the action of the gravity of the sleeve; when the square hole section in the first clamping arm is rotated to be matched with the second shaft section of the connecting shaft, the second shaft section of the connecting shaft moves to the left into the square hole section in the first clamping arm under the action of the pressure spring, and the first clamping arm, the second clamping arm and the sleeve are locked at the moment.
Further, in step 6, a first stop block and a second stop block in the unlocking device are respectively contacted with the second clamping part and the connecting shaft on the first clamping part and extrude the connecting shaft, at the moment, the pressure spring is compressed, the second shaft section of the connecting shaft is separated from the square hole section in the first clamping arm, and the locking of the first clamping arm on the sleeve is released.
In the embodiment provided by the invention, the specific installation method is as follows:
firstly, the upper table top of the fourth adjusting device is in a horizontal state by adjusting the adjusting pins; secondly, adjusting the position of the connecting plate to enable the central axis of the visible light beam emitting device fixed on the connecting plate and the central axis of the wire outlet sleeve to be in the same vertical plane, specifically, adjusting the position of the elastic hoop on the wire outlet sleeve to drive the connecting plate connected with the elastic hoop to synchronously adjust the position, wherein in the adjusting process, the state of the level ruler is observed, and when the level ruler is horizontal, the adjustment is completed; thirdly, the positions of the sleeve in the pitching, rotating, left-right and up-down directions are adjusted by rotating a rotating hand wheel and hand wheels on a second screw rod nut mechanism, a third screw rod nut mechanism and a fourth screw rod nut mechanism respectively, and when visible light emitted by the visible light beam emitting device passes through a through hole of the first reference plate and then falls on the center of a cross-shaped alignment line of the second reference plate, the adjustment is finished; then, the sleeve is arranged in the clamping device, the first clamping part and the second clamping part in the clamping device are in a U-shaped state with an upward opening in the initial state, and the first clamping arm and the second clamping arm which form the first clamping part and the second clamping part are not matched with the second shaft section of the connecting shaft, namely the second shaft section of the connecting shaft is separated from the square hole sections in the first clamping arm and the second clamping arm, under the action of the gravity of the sleeve, the first clamping arm and the second clamping arm can rotate around the first shaft section of the connecting shaft, when the first clamping arm and the second clamping arm rotate to the positions of the square hole sections in the first clamping arm and the second clamping arm are matched with the second shaft section of the connecting shaft, the second shaft section moves leftwards under the action of the pressure spring and enters the square hole sections in the first clamping arm and the second clamping arm, and at the moment, the first clamping arm and the second clamping arm cannot rotate to form clamping on the clamped sleeve; then, the power part, namely the first screw rod and nut mechanism drives the clamping device to move towards the end of the wire outlet sleeve along the direction limited by the slide block of the upper connecting rod until the connecting part of the sleeve enters the wire outlet sleeve; when the sleeve enters the wire outlet sleeve, a first stop block and a second stop block which are arranged on the upper connecting rod and the connecting plate are respectively contacted with connecting shafts of the first clamping part and the second clamping part and extrude the connecting shafts, at the moment, the pressure spring is compressed, a second shaft section of the connecting shaft is separated from square hole sections in the first clamping arm and the second clamping arm, and the locking of the first clamping arm and the second clamping arm on the sleeve is released; and finally, the upper table top is lowered by adjusting the fourth adjusting device, the sleeve pipe is separated from the clamping arm device, and the sleeve pipe and the wire outlet sleeve are locked by the bolt to complete the whole installation process.
The foregoing description is only illustrative of the present invention in combination with embodiments for the purpose of making the objects and advantages of the present invention more apparent. It should be understood that the above description is only intended to describe one or several specific embodiments of the present invention, and not to strictly limit the scope of the claims of the present invention, and that various changes and modifications to the technical solution of the present invention, which may be made by those skilled in the art without departing from the spirit of the present invention, should fall within the scope of the present invention as defined by the appended claims.
Claims (6)
1. A method for installing a converter transformer valve side sleeve is characterized by comprising the following steps: the converter transformer valve side sleeve installation device is used for installation and comprises a clamping device used for clamping and locking a sleeve, the clamping device is connected with an adjusting device to achieve adjustment of the upper position, the lower position, the left position, the right position, the pitching position and the rotating position of the sleeve, a centering device is arranged between the sleeve and an outgoing line sleeve on the converter transformer, and the sleeve and the outgoing line sleeve are centered and then driven by a power part to move towards the outgoing line sleeve, so that the end part of the sleeve enters the outgoing line sleeve to achieve butt joint of the sleeve and the outgoing line sleeve, and the sleeve and the clamping device are separated through an unlocking device;
the clamping device comprises a chassis, a first clamping part and a second clamping part are respectively arranged at two ends of the chassis, the second clamping part comprises a first clamping arm and a second clamping arm which are symmetrically arranged, the first clamping arm and the second clamping arm form a state that the opening is upward and the whole body is U-shaped in an initial state, and the first clamping arm and the second clamping arm form a state that the opening is closed to clamp the sleeve in a clamping state; the first clamping arm is connected with a clamping arm support arranged on the chassis through a connecting shaft, the connecting shaft is a special-shaped shaft and comprises a first shaft section with a circular cross section and a second shaft section with a square cross section, the diameter of the first shaft section is smaller than the length of a diagonal line of the second shaft section, a round hole section and a square hole section which are matched with the first shaft section and the second shaft section are arranged inside the first clamping arm, a pressure spring is sleeved on the connecting shaft, when the pressure spring is compressed, the second shaft section of the connecting shaft is separated from the square hole section in the first clamping arm, the first clamping arm is in an initial state capable of placing a sleeve at the moment, when the pressure spring is stretched, the second shaft section of the connecting shaft is matched with the square hole section in the first clamping arm, and the first clamping arm is in a clamping state capable of;
the centering device comprises a first reference plate and a second reference plate which are fixed below the underframe along the front-back direction, the centering device further comprises a visible light beam emitting device arranged below the wire outlet sleeve, a through hole is formed in the center of the first reference plate, the centering device further comprises a visible light beam emitting device arranged below the wire outlet sleeve, a cross line is formed in the center of the second reference plate, the through hole is located on an extension line of a connecting line of a rotation center of the pitching position and the rotation position of the sleeve, and when the visible light beam emitted by the visible light beam emitting device passes through the through hole of the first reference plate and is aligned with the cross line of the second reference plate, the sleeve and the wire outlet sleeve are in a centering state; the visible light beam emitting device is arranged on a connecting plate, the connecting plate is sleeved below the wire outlet sleeve through an elastic clamp, and the connecting plate is a clamping plate with an included angle formed by a first plate and a second plate;
the adjusting device comprises a first adjusting device for adjusting the pitching position of the clamping device, the first adjusting device comprises a four-bar mechanism consisting of an upper connecting bar, a lower connecting bar, a left connecting bar and a right connecting bar, and a seat body, wherein the upper connecting bar is in sliding fit with the bottom frame of the clamping device, the middle position of the lower connecting bar is hinged with the seat body, the end part of the right connecting bar is provided with an extension section, the extension section is hinged with the seat body through a power rod, and the power rod is connected with a rotating hand wheel arranged on the seat body through a gear reducer; the adjusting device also comprises a second adjusting device for adjusting the rotating position of the clamping device, the second adjusting device comprises a rotary table and a square table which are sequentially arranged below the base body, the rotary table is fixedly connected with the base body, the rotary table is rotatably connected with the square table, and a second lead screw and nut mechanism for driving the rotary table to rotate is arranged on the square table; the adjusting device also comprises a third adjusting device for adjusting the left and right positions of the clamping device, the third adjusting device comprises a U-shaped base body arranged below the square platform, and a third screw-nut mechanism for driving the square platform to move left and right is arranged between the U-shaped base body and the square platform; the adjusting device also comprises a fourth adjusting device for adjusting the vertical position of the clamping device, the fourth adjusting device comprises an upper table top and a lower table top which are arranged in parallel, a double-fork arm for connecting the upper table top and the lower table top is arranged between the upper table top and the lower table top, the double-fork arm is driven to act by a fourth screw-nut mechanism, and adjusting feet are arranged at the four corners of the lower table top;
the unlocking device comprises a first stop block and a second stop block which are respectively arranged on the upper connecting rod and the connecting plate, and the first stop block and the second stop block are respectively matched with the second clamping part and the first clamping part;
the installation method comprises the following steps:
step 1: in the initial state, adjusting the adjusting feet at the bottom of the lower table top to enable the upper table top to be in a horizontal state;
step 2: adjusting the position of the connecting plate on the wire outlet sleeve to enable the central axis of the visible light beam emitting device fixed on the connecting plate and the central axis of the wire outlet sleeve to be in the same vertical plane;
and step 3: the position of the sleeve is adjusted through the adjusting device, so that the central axis of the sleeve is matched with the central axis of the outgoing line sleeve;
and 4, step 4: the sleeve is arranged on a first clamping part and a second clamping part of a clamping device, and the first clamping arm and the second clamping arm clamp and lock the sleeve;
and 5: the power part drives the clamping device to drive the sleeve to move towards the direction of the wire outlet sleeve, so that the connecting part of the sleeve enters the wire outlet sleeve;
step 6: when the sleeve enters the outgoing line sleeve, the unlocking device releases the locking of the clamping device on the sleeve;
and 7: the height of the upper table top is reduced, so that the sleeve is separated from the clamping device;
and 8: the sleeve and the outgoing line sleeve are locked through a bolt; the installation process is ended.
2. The converter transformer valve side bushing mounting method according to claim 1, wherein: in the step 2, the position of the connecting plate is adjusted by adjusting the position of the elastic hoop, the horizontal ruler placed on the connecting plate support is observed while adjusting, and when the horizontal ruler is horizontal, the central axis of the visible light beam emitting device and the central axis of the outgoing line sleeve are in the same vertical plane.
3. The converter transformer valve side bushing mounting method according to claim 1, wherein: in the step 3, the coincidence of the central axis of the sleeve and the central axis of the outgoing line sleeve means that the visible light emitted by the visible light beam emitting device falls at the center of the crosshair of the second reference plate after passing through the through hole of the first reference plate.
4. The converter transformer valve side bushing mounting method according to claim 1, wherein: in the step 3, the adjusting device adjusts the up-down, left-right, pitching and rotating positions of the sleeve.
5. The converter transformer valve side bushing mounting method according to claim 1, wherein: in the step 4, when the clamping device is in an initial state, the pressure spring on the connecting shaft is in a compression state, the second shaft section of the connecting shaft is separated from the square hole section in the first clamping arm, and the first clamping arm rotates around the first shaft section of the connecting shaft under the action of the gravity of the sleeve; when the square hole section in the first clamping arm is rotated to be matched with the second shaft section of the connecting shaft, the second shaft section of the connecting shaft moves to the left into the square hole section in the first clamping arm under the action of the pressure spring, and the first clamping arm, the second clamping arm and the sleeve are locked at the moment.
6. The converter transformer valve side bushing mounting method according to claim 1, wherein: in the step 6, the first stop block and the second stop block in the unlocking device are respectively contacted with the second clamping part and the connecting shaft on the first clamping part and extrude the connecting shaft, at the moment, the pressure spring is compressed, the second shaft section of the connecting shaft is separated from the square hole section in the first clamping arm, and the locking of the first clamping arm on the sleeve is released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880157.6A CN109003806B (en) | 2018-08-03 | 2018-08-03 | Converter transformer valve side sleeve installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880157.6A CN109003806B (en) | 2018-08-03 | 2018-08-03 | Converter transformer valve side sleeve installation method |
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| CN109003806A CN109003806A (en) | 2018-12-14 |
| CN109003806B true CN109003806B (en) | 2020-06-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201765942U (en) * | 2010-09-14 | 2011-03-16 | 保定天威集团有限公司 | High end converter transformer valve side bushing auxiliary installation tool |
| CN102800460B (en) * | 2012-09-07 | 2015-09-02 | 许继集团有限公司 | Bushing shell for transformer assembly, bushing shell for transformer erecting tools and installation method thereof |
| CN203536808U (en) * | 2013-09-23 | 2014-04-09 | 国家电网公司 | Tool machine for disassembling and assembling 500kV converter transformer valve side sleeve |
| CN206210579U (en) * | 2016-12-01 | 2017-05-31 | 保定天威保变电气股份有限公司 | A kind of mounting structure of 800kV value side bushings |
| CN108053985A (en) * | 2017-12-26 | 2018-05-18 | 铜陵日科电子有限责任公司 | A kind of bushing shell for transformer apparatus for placing |
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Effective date of registration: 20200429 Address after: 246620 Anhui Xuantong Electromechanical Technology Co., Ltd., Lianyun Economic Development Zone, Yuexi County, Anqing City, Anhui Province Applicant after: Anhui Xuantong Electromechanical Technology Co., Ltd Address before: Hangzhou City, Zhejiang province 310018 Xiasha Higher Education Park No. 2 Street No. 928 Applicant before: Guo Fen |
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