CN110977257A - Enclosed bus installation equipment and method - Google Patents
Enclosed bus installation equipment and method Download PDFInfo
- Publication number
- CN110977257A CN110977257A CN201911205848.7A CN201911205848A CN110977257A CN 110977257 A CN110977257 A CN 110977257A CN 201911205848 A CN201911205848 A CN 201911205848A CN 110977257 A CN110977257 A CN 110977257A
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- adjusting
- bus
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- sliding block
- phase
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
Abstract
The invention discloses a closed bus installation device and a method, which comprises a laser lamp detachably connected to a closed bus shell and a reflector on the other closed bus shell; the two shells are respectively provided with an adjusting mechanism, and the adjusting mechanism comprises a horizontal adjusting mechanism and a vertical adjusting mechanism; the horizontal adjusting mechanism comprises a base connected to the ground, a sliding block is connected to the base in a sliding mode, a sliding mechanism for driving the sliding block to move is arranged on the base, and a locking mechanism capable of limiting the sliding block to move is arranged on the sliding mechanism; the vertical adjusting mechanism is connected with the sliding block, an arc plate is fixed on the vertical adjusting mechanism, the vertical adjusting mechanism can drive the arc plate to move along the vertical direction, and the axis of the arc plate is perpendicular to the moving direction of the sliding block; and a supporting mechanism is connected below one end of each of the two shells, which is close to each other. The invention has the effect of conveniently and rapidly adjusting the coaxiality between the two closed buses.
Description
Technical Field
The invention relates to the field of cable installation, in particular to enclosed bus installation equipment and a method.
Background
The generator of the power station and the main transformer are usually connected by an isolated phase enclosed bus, and the enclosed bus is usually arranged in a special bus hole chamber with the same height as the generator layer in the underground plant. The closed bus is usually installed in the air to save space, and is influenced by the height and the installation space of a grotto, large-scale hoisting equipment such as a bridge crane and a crane cannot enter the bus grotto.
The invention discloses a method for installing a closed bus and an auxiliary adjusting tool, which are disclosed in the Chinese patent with the publication number of CN105977889B, wherein the auxiliary adjusting tool is used as a rigid support, so that transition transportation, inspection adjustment and assembly welding of a closed bus pipe joint are facilitated. A large amount of overhead operation is thrown to the ground for horizontal operation, so that the high-precision installation and adjustment requirements of the enclosed bus are met. A synchronous lifting method of a permanent supporting beam and a temporary beam is adopted, and the integral accurate and safe lifting and installation of the three-phase bus are smoothly realized. The installation method and the auxiliary adjustment tool provided by the scheme reduce the erection of large-area bent frames and aerial welding platforms, reduce the operation safety risk and shorten the installation period.
The above prior art solutions have the following drawbacks: when two enclosed busbar weld, need adjust the axiality between two enclosed busbar, current adjustment mechanism often adjusts enclosed busbar through removing the sloping block position, and the adjustment cycle is long.
Disclosure of Invention
The invention aims to provide a device and a method for installing closed buses, which have the effect of conveniently and rapidly adjusting the coaxiality between two closed buses.
The technical purpose of the invention is realized by the following technical scheme:
a closed bus installation device comprises a laser lamp detachably connected to a closed bus shell and a reflector on the other closed bus shell; the two shells are respectively provided with an adjusting mechanism, and the adjusting mechanism comprises a horizontal adjusting mechanism and a vertical adjusting mechanism; the horizontal adjusting mechanism comprises a base connected to the ground, a sliding block is connected to the base in a sliding mode, a sliding mechanism for driving the sliding block to move is arranged on the base, and a locking mechanism capable of limiting the sliding block to move is arranged on the sliding mechanism; the vertical adjusting mechanism is connected to the sliding block, an arc-shaped plate is fixed on the vertical adjusting mechanism, the vertical adjusting mechanism can drive the arc-shaped plate to move along the vertical direction, and the axis of the arc-shaped plate is perpendicular to the moving direction of the sliding block; two the one end below that the shell is close to each other is connected with supporting mechanism, supporting mechanism is including the montant that is fixed in ground, be fixed with U type pole on the montant, the both ends of U type pole have set firmly coaxial and the same support arc board of camber respectively, support the arc inboard side respectively with two shell surface contact.
Through adopting above-mentioned technical scheme, the montant is fixed in ground, treat welded shell with two and treat that welded one end is put respectively on two support arcs, two treat welded shell one end that backs on the back of the body and put respectively on two adjustment mechanism's arcs, adjust arc horizontal direction position through horizontal adjustment mechanism, use vertical adjustment mechanism to adjust the position of the vertical direction of arc, relative relation between the light that jets out on the laser lamp by the light of reflector reflection through observing, judge whether two shells are coaxial, check out equipment is simple, it is convenient to observe, be convenient for seal the generating line in ground welded connection.
The invention is further configured to: the slide mechanism includes the swivel nut of being connected with the sliding block, the swivel nut inboard is provided with interior transmission screw thread, the inboard threaded connection of swivel nut has the rotation screw rod, the rotation screw rod outside is provided with the outer transmission screw thread with interior transmission screw thread complex, the rotation screw rod rotates with the base to be connected and rotates around self axis.
Through adopting above-mentioned technical scheme, when rotating the screw rod and rotating around self axis, rotate the screw rod and exert the effort to the swivel nut, the swivel nut that receives the restriction of base with sliding block fixed connection removes along rotating screw rod axis direction, and the sliding block drives vertical adjustment mechanism and removes along perpendicular to arc axis direction, and vertical adjustment mechanism drives the arc and removes, adjusts the axiality along the horizontal direction of two shells.
The invention is further configured to: the locking mechanism comprises a worm wheel fixedly connected with the rotating screw rod, a worm is meshed on the worm wheel, the worm is rotatably connected with the base, and the worm rotates around the axis of the worm.
Through adopting above-mentioned technical scheme, rotate the worm, the worm drives the worm wheel and rotates, and the worm wheel rotates and drives and rotate the screw rod and rotate, and the worm has great drive ratio with the worm wheel, is convenient for accurately adjust the position of arc, and the self-locking performance of worm wheel and worm keeps the sliding block to be connected with the stability of base simultaneously.
The invention is further configured to: the vertical adjusting mechanism comprises a jack connected with a sliding block, a driving handle is connected to the jack, a pressure release valve is arranged on the jack, and the output end of the jack is connected to the arc-shaped plate.
Through adopting above-mentioned technical scheme, exert the effect through drive handle to the jack, make the output of jack further extend to increase the actual length of jack, open the relief valve, the cylinder body is withdrawed to the output of jack, reduces the actual length of jack, thereby realizes the position adjustment of vertical direction of vertical adjustment mechanism to the arc board.
The invention is further configured to: the base is fixed on the vertical rod, the horizontal bubble is connected to the base, a fixing rod connected with the ground is arranged on the base in a penetrating mode, and a compression hexagonal is fixedly arranged on the fixing rod.
Through adopting above-mentioned technical scheme, pass the dead lever behind the base, use and compress tightly the hexagonal and be fixed in ground with the base, through observing horizontal bubble convenient to adjust base into the horizontality, support the axis level of arc board this moment, the adjustment mechanism of being convenient for adjusts the shell.
The invention is further configured to: and one end of the fixed rod extending into the ground is provided with a tip.
Through adopting above-mentioned technical scheme, most advanced setting is convenient for insert the dead lever ground, is convenient for be connected between dead lever and the ground.
The invention is further configured to: and a welding slag plate is fixedly arranged on the U-shaped rod.
By adopting the technical scheme, the welding slag plate can receive the welding slag generated when the two shells are welded and connected, and the supporting mechanism is convenient to use.
The invention is further configured to: positioning blocks are fixedly arranged on the two shells, positioning seats are detachably connected to the positioning blocks, at least two positioning pins penetrate through the positioning seats, and compression bolts in threaded connection with the positioning blocks penetrate through the positioning seats;
and the two positioning seats are respectively and fixedly connected with the laser lamp and the reflector.
Through adopting above-mentioned technical scheme, use two locating pins with positioning seat and positioning block connection, positioning accuracy is higher, uses clamp bolt to compress tightly the positioning seat with the positioning block and is connected, makes things convenient for laser lamp and reflector and shell's quick detachable connection.
The invention is further configured to: a. arrangement of installation and measurement reference points: positioning by using a measuring instrument on the top of a hole at the installation part of the closed bus according to the outlet of the generator and the central position of a main transformer lead;
b. throwing points on the ground and hanging vertical lines: arranging a cast point measuring tool at the top, casting a positioning reference point of the closed bus to the ground, calibrating, hanging a perpendicular line downwards from the top, and drawing the center line of the closed bus, the center line of the permanent support beam and the fracture position of the pipe joint on the ground according to the given size of a drawing;
c. installing a lifting hook: a lifting hook is arranged at the top, a temporary lifting point and a lifting hook are additionally arranged at the middle part of the closed bus pipe joint corresponding to the top plate, and a lifting hoist is hung on the lifting hook;
d. installation of a ground auxiliary device: installing a ground permanent support cross beam and a ground buttress tool arranged in the center of the pipe section and used with a jack, and adjusting the mutual distance and the level of the ground buttress tools; installing an auxiliary adjusting tool and a gantry crane tool during movement;
e. pipe joint transportation and internal inspection: the method comprises the following steps that a closed bus pipe joint is unloaded onto adjusting mechanisms, the same closed bus is placed on the two adjusting mechanisms and is transported to a bus hole chamber by a generator layer, and pipe joint internal inspection and bus conductor and shell horizontal and axis concentricity installation quality adjustment are carried out;
f. pipe section team adjustment, butt joint: matching a movable gantry crane tool with an adjusting mechanism and a supporting mechanism, assembling bus pipe sections in a split-phase mode, adjusting the concentricity of the horizontal line and the axial line between the pipe sections, reinforcing the pipe sections after the concentricity of the horizontal line and the axial line between the pipe sections is qualified, and carrying out butt welding on the pipe sections;
g. erecting a beam and adjusting the level and the distance: arranging permanent supporting beams and temporary beams on a ground buttress tool in parallel, adjusting the positions and the mutual intervals of the beams according to a calibration center line, and horizontally adjusting and reinforcing the beams through a bottom jack;
h. hoisting a middle B-phase bus and installing an end hoop: hoisting the assembled middle B-phase bus above the cross beam, adjusting the axis center position of the B-phase bus according to the positioning reference point, mounting an end hoop, and primarily fixing the B-phase bus through a connecting bolt at the bottom of the end hoop;
i. b-phase bus levelness adjustment is carried out: adjusting and reinforcing the overall levelness installation quality of the B-phase bus by using a high-precision level meter;
j. a, C phase bus installation and adjustment: according to the step of B-phase bus installation;
k. adjusting the interphase interval and the height difference of the three-phase buses: adjusting the inter-phase spacing and the height difference mounting quality of the bus, and fastening a connecting bolt at the bottom of the end hoop after the inter-phase spacing and the height difference mounting quality are adjusted to be qualified;
l, three-phase integral hoisting: welding lifting lugs and hanging lifting hooks at two ends of the cross beam, and operating a lifting hoist to integrally and synchronously lift the cross beam and the three-phase bus;
m, boom installation and adjustment: sequentially mounting a suspender at the calibration position of the mounting top, adjusting the verticality and the mounting position of the suspender, connecting the suspender and the permanent support beam, adjusting the level of the beam, tightening a suspender connecting nut, further adjusting the mounting position of the bus to the design requirement, then comprehensively fastening the suspender connecting nut, removing the temporary beam and unhooking;
n, installing other end closed buses;
and o, mounting of a telescopic joint and flexible connection: connecting expansion joints or soft connecting ends between the sections; and performing final quality inspection and acceptance.
In conclusion, the beneficial effects of the invention are as follows:
1. the vertical rod is fixed on the ground, one ends to be welded of the two shells to be welded are respectively placed on the two supporting arc plates, the opposite ends of the two shells to be welded are respectively placed on the arc plates of the two adjusting mechanisms, the horizontal direction position of the arc plates is adjusted through the horizontal adjusting mechanism, the vertical direction position of the arc plates is adjusted through the vertical adjusting mechanism, whether the two shells are coaxial or not is judged by observing the relative relation between the light rays reflected by the reflectors of the light rays emitted from the laser lamp, and the detection equipment is simple and convenient to observe and is convenient to seal a bus and weld and connect the bus on the ground;
2. when the rotating screw rod rotates around the axis of the rotating screw rod, the rotating screw rod applies acting force to the screw sleeve, the screw sleeve fixedly connected with the sliding block is limited by the base to move along the axis direction of the rotating screw rod, the sliding block drives the vertical adjusting mechanism to move along the direction vertical to the axis of the arc-shaped plate, the vertical adjusting mechanism drives the arc-shaped plate to move, and the coaxiality of the two shells along the horizontal direction is adjusted;
3. exert the effect through the actuating handle to the jack, make the output of jack further extend to increase the actual length of jack, open the relief valve, the output of jack is withdrawed in the cylinder body, reduces the actual length of jack, thereby realizes the vertical position adjustment of direction of vertical adjustment mechanism to the arc board.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
fig. 2 is a schematic structural view showing a sliding mechanism in the embodiment.
In the figure, 1, a housing; 11. a cable; 21. a laser light; 22. a reflective mirror; 23. positioning blocks; 24. positioning seats; 25. positioning pins; 26. a hold-down bolt; 3. a horizontal adjustment mechanism; 31. a base; 32. a slider; 4. a sliding mechanism; 41. a threaded sleeve; 42. rotating the screw; 43. a worm gear; 44. a worm; 5. a vertical adjustment mechanism; 51. an arc-shaped plate; 52. a jack; 53. a drive handle; 54. a pressure relief valve; 6. a support mechanism; 61. a vertical rod; 62. a U-shaped rod; 63. supporting the arc plate; 64. horizontal bubble; 65. fixing the rod; 651. compressing to hexagonal shape; 66. and welding slag plates.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples
Referring to fig. 1, the invention discloses a closed bus installation device, which is used for installing closed buses, after two closed buses are aligned on the ground to be in a coaxial state, the two closed buses are welded and connected, each closed bus comprises a cable 11 and a shell 1 positioned on the outer side of the cable 11, a detection mechanism is arranged on each closed bus, each detection mechanism comprises a laser lamp 21 detachably connected to one of the shells 1, a reflector 22 is detachably connected to the other shell 1, and the coaxiality of the two shells 1 is judged according to the angle relationship between light rays emitted by the laser lamps 21 and laser light rays reflected by the reflector 22.
Set firmly locating piece 23 on two shells 1, the surface that locating piece 23 dorsad shell 1 is the plane parallel with shell 1 axis, what can dismantle the connection on locating piece 23 has positioning seat 24, positioning seat 24 and locating piece 23 are parallel and the contact in surface that dorsad shell 1, wear to be equipped with two locating pins 25 on the positioning seat 24, locating pin 25 is located two relative end angles of positioning seat 24 respectively, the axis perpendicular to locating piece 23 dorsad shell 1's surface of locating pin 25, wear to be equipped with the housing tightening bolt 26 with locating piece 23 threaded connection on the positioning seat 24, housing tightening bolt 26 compresses tightly positioning seat 24 and the relative surface of locating piece 23, housing tightening bolt 26 is provided with two end angles that are located positioning seat 24 respectively. The positioning seat 24 is connected with the positioning block 23 through the two positioning pins 25, the positioning accuracy is high, the positioning seat 24 is in compression connection with the positioning block 23 through the compression bolt 26, and the laser lamp 21 and the reflector 22 are conveniently and detachably connected with the shell 1. The two positioning seats 24 are fixedly connected with the laser lamp 21 and the reflector 22 respectively.
And adjusting mechanisms are respectively arranged below the two shells 1 and comprise horizontal adjusting mechanisms 3 and vertical adjusting mechanisms 5.
Referring to fig. 1 and 2, a sliding mechanism 4 for driving the sliding block 32 to move is arranged on the base 31, the sliding mechanism 4 includes a threaded sleeve 41 fixedly connected with the sliding block 32, the threaded sleeve 41 is embedded into the sliding block 32, two ends of the threaded sleeve 41 penetrate through two ends of the sliding block 32 along the length direction of the sliding groove, an inner transmission thread is arranged on the inner side of the threaded sleeve 41, a rotating screw 42 is connected with the inner side of the threaded sleeve 41 through a thread, an outer transmission thread matched with the inner transmission thread is arranged on the outer side of the rotating screw 42, and the rotating screw 42 is rotatably connected with the base 31 and rotates around the axis of. When the rotating screw rod 42 rotates around the axis thereof, the screw sleeve 41 is driven to move along the length direction of the sliding groove.
Be provided with the locking mechanism that can restrict sliding block 32 and remove on slide mechanism 4, locking mechanism include with rotation screw rod 42 fixed connection's worm wheel 43, wear to establish on the worm wheel 43 and be fixed with rather than coaxial connecting axle, the one end of connecting axle is passed through the shaft coupling and is rotated screw rod 42 coaxial fixed, the meshing has worm 44 on the worm wheel 43, the cover is equipped with two bearings on the worm 44, the outer lane fixedly connected with guard box of bearing, the box in the worm wheel 43 and the worm 44 outside is located for the cover to the guard box, set up on the guard box and hold worm 44, the round hole that the connecting axle stretches out, the one end that worm 44 stretches out the guard box can be.
Referring to fig. 1, the vertical adjusting mechanism 5 is connected to the sliding block 32, the vertical adjusting mechanism 5 includes a jack 52 which is in compression connection with the sliding block 32 by a screw, a cylinder of the jack 52 is connected to the sliding block 32, a driving handle 53 is connected to the jack 52, a pressure release valve 54 is arranged on the jack 52, an output end of the jack 52 is connected to an arc-shaped plate 51, an inner diameter of the arc-shaped plate 51 is larger than an outer diameter of the housing 1, and an axis of the arc-shaped plate 51 is perpendicular to a moving direction of the sliding block 32. The jack 52 is acted by the driving handle 53, the output end of the jack 52 is further extended, the actual length of the jack 52 is increased, the pressure release valve 54 is opened, the output end of the jack 52 is retracted into the cylinder body, the actual length of the jack 52 is reduced, and the arc-shaped plate 51 can be driven to move in the vertical direction by the vertical adjusting mechanism 5.
A supporting mechanism 6 is connected below the end of the two shells 1 which are close to each other. Supporting mechanism 6 is fixed with square base 31 including being fixed in the montant 61 on ground, the montant 61 is close to the one end on ground, montant 61 length direction is followed to base 31 thickness direction, wear to be equipped with the dead lever 65 of being connected with ground on the base 31, the dead lever 65 stretches into the one end on ground and is provided with most advanced, integrated into one piece has the hexagonal 651 that compresses tightly on the dead lever 65, compress tightly the hexagonal 651 and the base 31 surface contact on ground dorsad compresses tightly, be connected with horizontal bubble 64 on the base 31.
The vertical rod 61 is fixed with a U-shaped rod 62, the two ends of the U-shaped rod 62 are respectively and fixedly provided with a supporting arc plate 63 which is coaxial and has the same curvature, the diameter of a ring on the surface where the supporting arc plate 63 is contacted with the shell 1 is larger than the outer diameter of the shell 1, the inner side surface of the supporting arc plate 63 is respectively in surface contact with the two shells 1, a welding slag plate 66 which is positioned right below the joint of the two shells 1 is fixedly arranged on the U-shaped rod 62, and the welding slag plate 66 is used for receiving welding slag generated when the two shells 1 are welded.
The mounting process of the enclosed bus comprises the following steps:
a. arrangement of installation and measurement reference points: positioning by using a measuring instrument on the top of a hole at the installation part of the closed bus according to the outlet of the generator and the central position of a main transformer lead;
b. throwing points on the ground and hanging vertical lines: arranging a cast point measuring tool at the top, casting a positioning reference point of the closed bus to the ground, calibrating, hanging a perpendicular line downwards from the top, and drawing the center line of the closed bus, the center line of the permanent support beam and the fracture position of the pipe joint on the ground according to the given size of a drawing;
c. installing a lifting hook: a lifting hook is arranged at the top, a temporary lifting point and a lifting hook are additionally arranged at the middle part of the closed bus pipe joint corresponding to the top plate, and a lifting hoist is hung on the lifting hook;
d. installation of a ground auxiliary device: installing a ground permanent support cross beam and a ground buttress tool arranged in the center of the pipe section and used with a jack, and adjusting the mutual distance and the level of the ground buttress tools; installing an auxiliary adjusting tool and a gantry crane tool during movement;
e. pipe joint transportation and internal inspection: the closed bus pipe joint is unloaded onto the adjusting mechanisms, the same closed bus is placed on the two adjusting mechanisms and is transported to a bus hole chamber by a generator layer, and the pipe joint internal inspection and the installation quality adjustment of the bus conductor and the housing 1 in the horizontal and axial concentricity are carried out;
f. pipe section team adjustment, butt joint: matching a movable gantry crane tool with the adjusting mechanism and the supporting mechanism 6, assembling the bus pipe sections in a split-phase manner, adjusting the concentricity of the horizontal line and the axial line between the pipe sections, reinforcing the pipe sections after the concentricity of the horizontal line and the axial line between the pipe sections is qualified, and carrying out butt welding on the pipe sections;
g. erecting a beam and adjusting the level and the distance: arranging permanent supporting beams and temporary beams on a ground buttress tool in parallel, adjusting the positions and the mutual intervals of the beams according to a calibration center line, and horizontally adjusting and reinforcing the beams through a bottom jack;
h. hoisting a middle B-phase bus and installing an end hoop: hoisting the assembled middle B-phase bus above the cross beam, adjusting the axis center position of the B-phase bus according to the positioning reference point, mounting an end hoop, and primarily fixing the B-phase bus through a connecting bolt at the bottom of the end hoop;
i.B phase bus levelness adjustment: adjusting and reinforcing the overall levelness installation quality of the B-phase bus by using a high-precision level meter;
j. a, C phase bus installation and adjustment: according to the step of B-phase bus installation;
k. adjusting the interphase interval and the height difference of the three-phase buses: adjusting the inter-phase spacing and the height difference mounting quality of the bus, and fastening a connecting bolt at the bottom of the end hoop after the inter-phase spacing and the height difference mounting quality are adjusted to be qualified;
l, three-phase integral hoisting: welding lifting lugs and hanging lifting hooks at two ends of the cross beam, and operating a lifting hoist to integrally and synchronously lift the cross beam and the three-phase bus;
m, boom installation and adjustment: sequentially mounting a suspender at the calibration position of the mounting top, adjusting the verticality and the mounting position of the suspender, connecting the suspender and the permanent support beam, adjusting the level of the beam, tightening a suspender connecting nut, further adjusting the mounting position of the bus to the design requirement, then comprehensively fastening the suspender connecting nut, removing the temporary beam and unhooking;
n, installing other end closed buses;
and o, mounting of a telescopic joint and flexible connection: connecting expansion joints or soft connecting ends between the sections; and performing final quality inspection and acceptance.
The implementation principle of the above embodiment is as follows:
the vertical rod 61 is fixed on the ground, one ends to be welded of the two shells 1 to be welded are respectively placed on the two supporting arc plates 63, and the opposite ends of the two shells 1 to be welded are respectively placed on the arc plates 51 of the two adjusting mechanisms;
the worm 44 is rotated, the worm 44 drives the worm wheel 43 to rotate, the worm wheel 43 rotates to drive the rotating screw 42 to rotate, when the rotating screw 42 rotates around the axis of the rotating screw, the rotating screw 42 applies acting force on the screw sleeve 41, the screw sleeve 41 fixedly connected with the sliding block 32 is limited by the base 31 to move along the axis direction of the rotating screw 42, and the sliding block 32 drives the vertical adjusting mechanism 5 to move along the direction vertical to the axis of the arc-shaped plate 51;
the driving handle 53 acts on the jack 52, so that the output end of the jack 52 is further extended, the actual length of the jack 52 is increased, the pressure release valve 54 is opened, the output end of the jack 52 is retracted into the cylinder body, and the actual length of the jack 52 is reduced, so that the vertical position of the arc-shaped plate 51 can be adjusted by the vertical adjusting mechanism 5;
whether the two shells 1 are coaxial or not is judged by observing the relative relation between the light rays emitted from the laser lamp 21 and reflected by the reflector 22, so that the bus can be conveniently sealed and connected with the ground in a welding way.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. A closed bus installation equipment is characterized in that: comprises a laser lamp (21) which is detachably connected with a closed bus casing (1) and a reflector (22) on the other closed bus casing (1);
adjusting mechanisms are respectively arranged on the two shells (1), and each adjusting mechanism comprises a horizontal adjusting mechanism (3) and a vertical adjusting mechanism (5);
the horizontal adjusting mechanism (3) comprises a base (31) connected to the ground, a sliding block (32) is connected to the base (31) in a sliding mode, a sliding mechanism (4) driving the sliding block (32) to move is arranged on the base (31), and a locking mechanism capable of limiting the sliding block (32) to move is arranged on the sliding mechanism (4);
the vertical adjusting mechanism (5) is connected to the sliding block (32), an arc-shaped plate (51) is fixed on the vertical adjusting mechanism (5), the vertical adjusting mechanism (5) can drive the arc-shaped plate (51) to move along the vertical direction, and the axis of the arc-shaped plate (51) is perpendicular to the moving direction of the sliding block (32);
two the one end below that shell (1) is close to each other is connected with supporting mechanism (6), supporting mechanism (6) are including montant (61) that are fixed in ground, be fixed with U type pole (62) on montant (61), the both ends of U type pole (62) have set firmly coaxial and the same support arc board (63) of camber respectively, support arc board (63) medial surface respectively with two shell (1) surface contact.
2. The enclosed busbar installation apparatus of claim 1, wherein: slide mechanism (4) include swivel nut (41) be connected with sliding block (32), swivel nut (41) inboard is provided with interior transmission screw thread, swivel nut (41) inboard threaded connection has rotation screw rod (42), it is provided with the outer transmission screw thread with interior transmission screw thread complex to rotate screw rod (42) outside, rotation screw rod (42) rotate with base (31) and be connected and rotate around self axis.
3. The enclosed busbar installation apparatus of claim 2, wherein: the locking mechanism comprises a worm wheel (43) fixedly connected with a rotating screw rod (42), a worm (44) is meshed on the worm wheel (43), the worm (44) is rotatably connected with the base (31), and the worm (44) rotates around the axis of the worm.
4. The enclosed busbar installation apparatus of claim 1, wherein: vertical adjustment mechanism (5) are including jack (52) be connected with sliding block (32), be connected with driving handle (53) on jack (52), be provided with relief valve (54) on jack (52), the output of jack (52) is connected in arc (51).
5. The enclosed busbar installation apparatus of claim 1, wherein: the base (31) is fixed on the vertical rod (61), the horizontal bubble (64) is connected to the base (31), a fixing rod (65) connected with the ground penetrates through the base (31), and a pressing hexagonal head (651) is fixedly arranged on the fixing rod (65).
6. The enclosed busbar installation apparatus of claim 5, wherein: one end of the fixing rod (65) extending into the ground is provided with a tip.
7. The enclosed busbar installation apparatus of claim 1, wherein: and a welding slag plate (66) is fixedly arranged on the U-shaped rod (62).
8. The enclosed busbar installation apparatus of claim 1, wherein: positioning blocks (23) are fixedly arranged on the two shells (1), positioning seats (24) are detachably connected on the positioning blocks (23), at least two positioning pins (25) penetrate through the positioning seats (24), and pressing bolts (26) in threaded connection with the positioning blocks (23) penetrate through the positioning seats (24);
the two positioning seats (24) are respectively fixedly connected with the laser lamp (21) and the reflector (22).
9. A process for installing the enclosed busbar installation apparatus of claim 1, comprising the steps of:
a. arrangement of installation and measurement reference points: positioning by using a measuring instrument on the top of a hole at the installation part of the closed bus according to the outlet of the generator and the central position of a main transformer lead;
b. throwing points on the ground and hanging vertical lines: arranging a cast point measuring tool at the top, casting a positioning reference point of the closed bus to the ground, calibrating, hanging a perpendicular line downwards from the top, and drawing the center line of the closed bus, the center line of the permanent support beam and the fracture position of the pipe joint on the ground according to the given size of a drawing;
c. installing a lifting hook: a lifting hook is arranged at the top, a temporary lifting point and a lifting hook are additionally arranged at the middle part of the closed bus pipe joint corresponding to the top plate, and a lifting hoist is hung on the lifting hook;
d. installation of a ground auxiliary device: installing a ground permanent support cross beam and a ground buttress tool arranged in the center of the pipe section and used with a jack, and adjusting the mutual distance and the level of the ground buttress tools; installing an auxiliary adjusting tool and a gantry crane tool during movement;
e. pipe joint transportation and internal inspection: the method comprises the following steps that a closed bus pipe joint is unloaded onto adjusting mechanisms, the same closed bus is placed on the two adjusting mechanisms and is transported to a bus hole chamber by a generator layer, and pipe joint internal inspection and bus conductor and shell horizontal and axis concentricity installation quality adjustment are carried out;
f. pipe section team adjustment, butt joint: matching a movable gantry crane tool with an adjusting mechanism and a supporting mechanism, assembling bus pipe sections in a split-phase mode, adjusting the concentricity of the horizontal line and the axial line between the pipe sections, reinforcing the pipe sections after the concentricity of the horizontal line and the axial line between the pipe sections is qualified, and carrying out butt welding on the pipe sections;
g. erecting a beam and adjusting the level and the distance: arranging permanent supporting beams and temporary beams on a ground buttress tool in parallel, adjusting the positions and the mutual intervals of the beams according to a calibration center line, and horizontally adjusting and reinforcing the beams through a bottom jack;
h. hoisting a middle B-phase bus and installing an end hoop: hoisting the assembled middle B-phase bus above the cross beam, adjusting the axis center position of the B-phase bus according to the positioning reference point, mounting an end hoop, and primarily fixing the B-phase bus through a connecting bolt at the bottom of the end hoop;
i. b-phase bus levelness adjustment is carried out: adjusting and reinforcing the overall levelness installation quality of the B-phase bus by using a high-precision level meter;
j. a, C phase bus installation and adjustment: according to the step of B-phase bus installation;
k. adjusting the interphase interval and the height difference of the three-phase buses: adjusting the inter-phase spacing and the height difference mounting quality of the bus, and fastening a connecting bolt at the bottom of the end hoop after the inter-phase spacing and the height difference mounting quality are adjusted to be qualified;
l, three-phase integral hoisting: welding lifting lugs and hanging lifting hooks at two ends of the cross beam, and operating a lifting hoist to integrally and synchronously lift the cross beam and the three-phase bus;
m, boom installation and adjustment: sequentially mounting a suspender at the calibration position of the mounting top, adjusting the verticality and the mounting position of the suspender, connecting the suspender and the permanent support beam, adjusting the level of the beam, tightening a suspender connecting nut, further adjusting the mounting position of the bus to the design requirement, then comprehensively fastening the suspender connecting nut, removing the temporary beam and unhooking;
n, installing other end closed buses;
and o, mounting of a telescopic joint and flexible connection: connecting expansion joints or soft connecting ends between the sections; and performing final quality inspection and acceptance.
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| CN201911205848.7A CN110977257B (en) | 2019-11-29 | 2019-11-29 | Enclosed bus installation equipment and method |
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| CN201911205848.7A CN110977257B (en) | 2019-11-29 | 2019-11-29 | Enclosed bus installation equipment and method |
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| CN111390420A (en) * | 2020-04-16 | 2020-07-10 | 吴丹 | Construction method for factory waste gas treatment engineering |
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| CN111761246A (en) * | 2020-07-21 | 2020-10-13 | 刘欣鑫 | Reinforcing steel bar groove welding system |
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| CN111390420B (en) * | 2020-04-16 | 2021-11-23 | 湖南恒光化工有限公司 | Construction method for factory waste gas treatment engineering |
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| CN111761246A (en) * | 2020-07-21 | 2020-10-13 | 刘欣鑫 | Reinforcing steel bar groove welding system |
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| CN112960137B (en) * | 2021-02-22 | 2022-06-03 | 凌云(宜昌)航空装备工程有限公司 | Flexible adjusting and positioning device for aviation high-temperature conduit and novel manufacturing process |
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| CN114310139A (en) * | 2022-01-20 | 2022-04-12 | 徐州徐工液压件有限公司 | Movable core tube welding correction device |
| CN115194358A (en) * | 2022-09-19 | 2022-10-18 | 江苏民生重工有限公司 | Desulfurizing tower processing welding equipment convenient to clearance |
| CN115615412A (en) * | 2022-12-15 | 2023-01-17 | 中交第一航务工程局有限公司 | Device and method for lofting installation circle center of final joint thrust steel support coaxial equipment |
| CN115615412B (en) * | 2022-12-15 | 2023-03-10 | 中交第一航务工程局有限公司 | Device and method for lofting installation circle center of final joint thrust steel support coaxial equipment |
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