CN110182700B - GIS metal tank body disassembling tool - Google Patents

Abstract

A GIS metal tank disassembly and assembly tool includes two gantry lifting frames arranged side by side, each gantry lifting frame includes a crossbeam, and vertical columns are vertically arranged at both ends of the crossbeam. The bottom of each column is fixedly connected to a base, and two hand chain hoists are installed at the bottom of the crossbeam, and the two hand chain hoists are located between the two columns. In order to overcome the problems of limited operating space, safety hazards caused by accidental contact with nearby electrical equipment, and uncontrollable equipment installation accuracy encountered in the current disassembly and assembly operation, the precise control of the GIS tank disassembly and assembly process is realized, which is conducive to the safe, efficient and high-quality completion of the GIS equipment maintenance work.

Description

GIS metal tank body disassembling tool

Technical Field

The invention relates to the technical field of transformer substation overhaul appliances, in particular to a GIS metal tank disassembly and assembly tool.

Background

GIS is gas insulated metal-enclosed switchgear's abbreviation, namely "gas-insulated metal closed switchgear", along with the large-scale operation of super high voltage sulfur hexafluoride GIS transformer substation, the condition such as internal discharge, gas leakage etc. can appear in GIS equipment at actual operation in-process, this just need disassemble the flange of GIS trouble air chamber, then overhaul GIS trouble department, restore the inside GIS air chamber of disassembling after the maintenance is accomplished, at last carry out butt joint fastening to the flange of air chamber, at present, when disassembling GIS air chamber flange, mostly need lift the GIS casing with the help of the crane, then rely on the fastening bolt of manual dismantlement flange, rely on crane hoisting point to remove and the manual drag to separate the flange face, but because crane volume is too big, its operational environment just receives very big restriction, and distance and direction are inconvenient to carry out accurate regulation in the crane handling process, very easily touch other equipment, there is great potential safety hazard, utilize manpower to drag etc. also very easily fish tail the flange face even damage inside electrical equipment, it is difficult to take time and labor waste and repair the operation of GIS transformer substation has brought certain trouble.

Disclosure of Invention

In order to solve the problems, the invention aims to provide a GIS metal tank disassembly and assembly tool, which is used for solving the problems that the operation space is limited, potential safety hazards caused by nearby electrical equipment are easy to touch by mistake and the equipment installation precision is uncontrollable in the current disassembly and assembly operation links, realizing the precise regulation and control of the GIS tank disassembly and assembly links, and further being beneficial to safely, efficiently and high-quality completion of the overhaul work of GIS equipment.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides a GIS metal can body assembly and disassembly tools, includes two longmen lifting frames that set up side by side, every longmen lifting frame all is including the crossbeam, all vertical being equipped with the stand in the both ends position department of crossbeam, the equal fixed connection base in bottom of every stand two chain blocks are installed to the bottom of crossbeam, and two chain blocks are located between the two stands, same U type suspender is connected jointly to the chain bottom of two chain blocks the upper portion of crossbeam is equipped with two sideslip regulating plates side by side, and every sideslip regulating plate all sets up along the length direction of crossbeam, has all seted up the rectangular hole that sets up along its length direction in rectangular downthehole cooperation of sideslip regulating plate installs the screw rod, and the screw rod is vertical to be set up and pass rectangular hole, all is equipped with the nut on the screw rod that is located sideslip regulating plate both sides, the diameter of nut is greater than the width in rectangular hole, can fix a position the screw rod on the optional position in rectangular hole, two at the screw rod upper end fixedly connected with mount pad, be equipped with the jack on the mount pad, two hand crank jack's upper end is connected together along the length direction of its length direction, still be equipped with hand shaking the layer board.

The stand includes cylinder pole and square column of mutual suit, and the cylinder pole is located the square column inside and can follow its reciprocates, and matched with first through-hole has been seted up to the bottom of cylinder pole and the upper end of square column, and the locating lever can be fixed a position cylinder pole and square column in the first through-hole that runs through be equipped with the connecting plate between cylinder pole and the crossbeam, the bottom of crossbeam is equipped with the slide rail of arranging along its length direction, and the baffle is all installed to the both ends position department of slide rail, has seted up on the connecting plate with slide rail matched with first spout, the bottom of connecting plate is connected with the cylinder pole still be equipped with the diagonal brace between connecting plate and the cylinder pole, and the one end of diagonal brace is fixed on the cylinder pole, and the level is equipped with the locating plate on the other end of diagonal brace, installs location locking device on the locating plate, and location locking device can fix diagonal brace and connecting plate on the slide rail still set up on the lateral surface of square column with diagonal brace matched with through-slot. The positioning and locking device comprises a mounting sleeve, the mounting sleeve is vertically arranged at the bottom of the positioning plate, the inserting rod is mounted in the mounting sleeve in a matched manner, the bottom end of the inserting rod extends out of the mounting sleeve and is connected with a pull ring, a positioning boss is arranged on the inserting rod positioned in the mounting sleeve, the positioning boss is positioned in a mounting groove in the mounting sleeve, a spring is further mounted in the mounting groove, the spring is positioned at the bottom of the boss and at the periphery of the inserting rod, the spring always has a trend that the upper end of the inserting rod extends out of the positioning plate, the trend corresponds to the upper end position of the inserting rod, a second through hole matched with the inserting rod is formed in the connecting plate and the sliding rail, and the inserting rod can extend into the second through hole to fix the positioning plate and the connecting plate on the sliding rail. Every both ends position department of base all articulates there is the bearing seat, all sets up the sliding sleeve on every bearing seat, has all seted up the second spout on the side of bearing seat and base, the sliding sleeve cooperatees with the second spout, and the sliding sleeve can slide on bearing seat and base along the second spout, has all seted up first positioning screw on the both sides of bearing seat and base articulated position, installs the first positioning screw sleeve corresponding with two first positioning screw hole positions on the sliding sleeve, all installs first positioning bolt in every first positioning screw sleeve, and first positioning bolt can stretch into in the first positioning screw to connect bearing seat and base as an organic wholely by the sliding sleeve. The sliding sleeve is hinged with a first connecting rod, the upright is hinged with a second connecting rod, the second connecting rod is sleeved in the first connecting rod, a second positioning screw hole is formed in the second connecting rod, a second threaded sleeve and a second positioning bolt which are matched with the second connecting rod are arranged on the first connecting rod, the second positioning bolt can extend into the second positioning screw hole, and the first connecting rod and the second connecting rod are connected into a whole. And a synchronous belt is arranged between the handle rotating shafts of the two hand-operated jacks.

The invention has the positive effects that: the GIS metal tank disassembly and assembly tool disclosed by the invention has the advantages that the volume of the whole equipment is smaller, the GIS metal tank disassembly and assembly tool can be used in a narrow space, the maintenance application range of the GIS metal tank disassembly and assembly tool is improved, the hand-operated hoist and the hand-operated jack equidistant adjusting device are arranged on the GIS metal tank disassembly and assembly tool, the labor intensity of operators is reduced, the installation precision between flanges in the disassembly and assembly process can be ensured, the whole operation process is realized between two gantry cranes of the GIS metal tank disassembly and assembly tool, the potential safety hazard caused by mistaken touch to electrical equipment can not occur, the bearing seat is additionally arranged on the base, the stability and the bearing capacity of the whole equipment can be improved, and the whole equipment can be disassembled, folded and stored when not in use, so that the storage space is reduced, the GIS metal tank disassembly and assembly tool is convenient to transfer and transport.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a front view of the gantry crane of the present invention;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is an enlarged view of a portion of I in FIG. 2;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is an enlarged view of a portion of II in FIG. 2;

FIG. 7 is a schematic view of the positioning and locking device;

FIG. 8 is a schematic view of the structure of the base after the bearing seat is added;

fig. 9 is a schematic view showing a state in which the load-bearing seat is folded and stored;

Fig. 10 is a schematic view of the invention in a non-use state.

In the figure, a beam 2, an upright post 3, a base 4, a hand pulling hoist 5, a U-shaped hanging strip 6, a strip hole 8, a screw 9, a nut 10, a mounting seat 11, a hand-operated jack 12, a supporting plate 13, an inclined lug 14, a cylindrical rod 15, a square column 16, a first through hole 17, a positioning rod 18, a sliding rail 19, a sliding rail 20, a first sliding groove 22, a positioning plate 24, a through groove 25, a mounting sleeve 26, a pull ring 28, a positioning boss 29, a spring 31, a second through hole 32, a bearing seat 33, a sliding sleeve 34, a first sliding groove 35, a first positioning screw hole 36, a first positioning screw sleeve 37, a first connecting rod 39, a second connecting rod 40, a second positioning screw hole 41, a second screw sleeve 42 and a second positioning screw 43 are shown.

Detailed Description

The invention relates to a GIS metal tank disassembly and assembly tool, which comprises two gantry lifting frames arranged side by side, wherein two ends of a GIS air chamber to be overhauled are respectively positioned in each gantry lifting frame to carry out disassembly and assembly operation of a connecting flange, as shown in figure 2, each gantry lifting frame comprises a cross beam 1, upright posts 2 are vertically arranged at the positions of the two ends of the cross beam 1, the bottom of each upright post 2 is fixedly connected with a base 3, two chain blocks 4 are arranged at the bottom of the cross beam 1, the two chain blocks 4 are positioned between the two upright posts 2, the chain bottom ends of the two chain blocks 4 are jointly connected with the same U-shaped suspender 5, the U-shaped suspender 5 is used for fixing and lifting the GIS shell lower than the position of the cross beam 1, and the position of the flange end face of the air chamber is adjusted by operators so as to improve the efficiency of flange disassembly and assembly operation.

To the dismouting of exceeding the GIS air chamber of crossbeam 1 high department, as shown in fig. 4 the upper portion of crossbeam 1 is equipped with two sideslip regulating plate 6 side by side, and every sideslip regulating plate 6 all sets up along the length direction of crossbeam 1, as shown in fig. 5, rectangular hole 7 that sets up along its length direction have all been seted up in sideslip regulating plate 6's both sides rectangular hole 7 interior cooperation is installed screw rod 8, and screw rod 8 vertical setting just passes rectangular hole 7, all is equipped with nut 9 on the screw rod 8 that is located sideslip regulating plate 6 both sides, the diameter of nut 9 is greater than the width of rectangular hole 7, can fix a position screw rod 8 on the optional position of rectangular hole 7. Two screw rods 8 upper end fixedly connected with mount pad 10 in same side are equipped with hand formula jack 11 on the mount pad 10, and two the layer board 12 is connected jointly to hand formula jack 11's upper end, and layer board 12 sets up along the length direction of crossbeam 1, still be equipped with two slope lugs 13 of laying the metal can body side by side on the layer board 12. The height position exceeds the GIS air chamber of the beam 1, the connecting flange is disassembled and assembled, the connecting flange is positioned between the two inclined convex blocks 13 of the supporting plate 12, if the position of the supporting plate 12 in the length direction of the beam 1 is required to be adjusted, the nuts 9 on the screw rods 8 on two sides are unscrewed, the mounting seats 10 on two sides are moved to proper positions, and then the nuts 9 are screwed, so that the purpose of adjusting the transverse positions of the supporting plate 12 and the GIS air chamber shell on the supporting plate can be achieved. And the adjustment of the supporting plate 12 and the GIS air chamber shell on the supporting plate on the height distance can be completed through the hand-operated jacks 11 on two sides, so that time and labor are saved, the adjustment precision is ensured, and the operation efficiency is improved.

Preferably, in order to facilitate the assembly, disassembly and folding of the whole device, as shown in fig. 3, the upright post 2 comprises a cylindrical post 14 and a square post 15 which are mutually sleeved, and the cylindrical post 14 is positioned inside the square post 15 and can move up and down along the square post. The bottom of cylinder pole 14 and the upper end of square column 15 have seted up matched with first through-hole 16, and when the planer crane was in operating condition, the first through-hole 16 interpolation locating lever 17 that runs through can be with cylinder pole 14 and square column 15 location, and cylinder pole 14 stretches out square column 15 and reaches appointed height this moment.

In addition, as shown in fig. 6, a connecting plate 18 is further arranged between the cylindrical rod 14 and the cross beam 1, a sliding rail 19 arranged along the length direction of the cross beam 1 is arranged at the bottom of the cross beam 1, baffles 20 are installed at two end positions of the sliding rail 19, a first sliding groove 21 matched with the sliding rail 19 is formed in the connecting plate 18, the bottom of the connecting plate 18 is connected with the cylindrical rod 14 through a rotating shaft, the cylindrical rod 14 can rotate relative to the connecting plate 18, and the cylindrical rod 14 and the square column 15 can be driven by the connecting plate 18 to move relatively on the sliding rail 19. An inclined strut 22 is further arranged between the connecting plate 18 and the cylindrical rod 14, the inclined strut 22 plays a role in reinforcing the connection strength between the connecting plate 18 and the cylindrical rod 14, one end of the inclined strut 22 is fixed on the cylindrical rod 14, a positioning plate 23 is horizontally arranged at the other end of the inclined strut 22, a positioning locking device is arranged on the positioning plate 23, the inclined strut 22 and the connecting plate 18 can be fixed on the sliding rail 19 by the positioning locking device, so that the cylindrical rod 14 cannot rotate when the cylindrical rod is in a working state, the cylindrical rod 14, the square column 15 and the connecting plate 18 are in a relatively fixed state with the sliding rail 19, the stability of the whole device is ensured under the working state, and the positioning locking device can be an existing bolt fastener or a positioning bolt. In order to facilitate the disassembly and assembly, a through groove 24 matched with the diagonal brace 22 is also arranged on the outer side surface of the square column 15.

Preferably, as shown in fig. 7, the positioning and locking device herein may include a mounting sleeve 25, the mounting sleeve 25 is vertically disposed at the bottom of the positioning plate 23, the insert rod 26 is mounted in the mounting sleeve 25 in a matched manner, the bottom end of the insert rod 26 extends out of the mounting sleeve 25 and is connected with the pull ring 27, a positioning boss 28 is disposed on the insert rod 26 disposed in the mounting sleeve 25, the positioning boss 28 is disposed in a mounting groove 29 disposed in the mounting sleeve 25, a spring 30 is further mounted in the mounting groove 29, the spring 30 is disposed at the bottom of the boss 28 and at the periphery of the insert rod 26, the spring 30 always has a tendency to make the upper end of the insert rod 26 extend out of the positioning plate 23, corresponding to the upper end position of the insert rod 26, a second through hole 31 matched with the insert rod 26 is formed in the connecting plate 18 and the slide rail 19, and the insert rod 26 can extend into the second through hole 31 to fix the positioning plate 23 and the connecting plate 18 on the slide rail 19.

When the gantry crane in the tooling state shown in fig. 2 needs to be stored in the non-working state shown in fig. 10, firstly, an operator removes the chain block 4, pulls the pull rings 27 at two sides to separate the insert rod 26 from the second through hole 31, the positioning plate 23, the inclined support rod 22 and the cylindrical rod 14 are not fixed with the slide rail 19 any more, then rotates the cylindrical rod 14 to enable the inclined support rod 22 to be located at the outer side position of the cylindrical rod 14, and after the cylindrical rods 14 at two sides are close to each other, releases the pull rings 27 to fix the inclined support rod 22 at two sides with the slide rail 19 again so as to prevent sliding in the storage state, finally pulls out the positioning rod 17, the cylindrical rod 14 falls into the square column 15, and the corresponding inclined support rod 22 falls into the through groove 24.

Preferably, in order to improve the bearing capacity and stability of the whole device, as shown in fig. 8, bearing seats 32 are hinged at two end positions of each base 3, sliding sleeves 33 are arranged on each bearing seat 32, second sliding grooves 34 are arranged on the side surfaces of the bearing seats 32 and the base 3, the sliding sleeves 33 are matched with the second sliding grooves 34, and the sliding sleeves 33 can slide on the bearing seats 32 and the base 3 along the second sliding grooves 34. First positioning screw holes 35 are formed in two sides of the hinged position of the bearing seat 32 and the base 3, first positioning screw sleeves 36 corresponding to the two first positioning screw holes 35 are mounted on the sliding sleeve 33, first positioning bolts 37 are mounted in each first positioning screw sleeve 36, and the first positioning bolts 37 can extend into the first positioning screw holes 35, so that the bearing seat 32 and the base 3 are connected into a whole through the sliding sleeve 33. The arrangement of the bearing seat 32 increases the contact area between the gantry crane and the ground, and ensures the stability of the GIS air chamber in the lifting process to a certain extent.

Preferably, in order to further ensure the connection strength between the base 3 and the upright 2 in the working state, as shown in fig. 8, the sliding sleeve 33 is hinged with a first connecting rod 38, the upright 2 is hinged with a second connecting rod 39, the second connecting rod 39 is sleeved in the first connecting rod 38, a second positioning screw hole 40 is formed in the second connecting rod 39, a second threaded sleeve 41 and a second positioning bolt 42 matched with the second threaded sleeve are mounted on the first connecting rod 38, and the second positioning bolt 42 can extend into the second positioning screw hole 40 to connect the first connecting rod 38 and the second connecting rod 39 into a whole. A stable triangular supporting structure is formed among the first connecting rod 38, the second connecting rod 39, the base 3 and the upright post 2, so that the stability of the working process can be ensured, potential safety hazards such as overturning of the device can be avoided, and the personal safety of an operator can be ensured.

When the device with the bearing seat 32, the first connecting rod 38 and the second connecting rod 39 needs to be stored, as shown in fig. 9, the first positioning bolt 37 and the second positioning bolt 42 are rotated to be separated from the first positioning screw hole 35 and the second positioning screw hole 40 respectively, then the sliding sleeve 33 is moved to the position of the upright post 2 along the second sliding groove 34, at the moment, the second connecting rod 39 extends into the first connecting rod 38, and finally the bearing seat 32 is rotated inwards to the base 3 along the hinge axis, as shown in fig. 9, the whole storage space is reduced to a certain extent, and the carrying, the transferring and the transportation are convenient.

Preferably, in order to facilitate the adjustment of the supporting plate 12 in the height direction by the operator, as shown in fig. 4, a synchronous belt 43 is installed between the handle shafts of the two hand-operated jacks 11, and the adjusting handle of any one hand-operated jack 11 is rotated, so that the other hand-operated jack 11 can be driven to perform real-time synchronous adjustment, thereby simplifying the adjustment step in the height direction and improving the operation efficiency.

The GIS metal tank body dismounting tool is light and adjustable, is stable and reliable in strength, is more suitable for carrying out lifting dismounting operation of GIS equipment in a small space, greatly reduces operation difficulty, improves operation efficiency, reduces deviation distance of GIS air chamber tank body installation, is firm in installation, reduces rework rate after maintenance operation, avoids false collision phenomenon of nearby equipment in the installation process, and is smaller in requirement on storage space after the whole device is stored, and convenient to carry and transfer and transport.

The technical scheme of the invention is not limited to the scope of the embodiments of the invention. The technical content that is not described in detail in the invention is known in the prior art.

Claims (4)

1. A GIS metal tank disassembly and assembly tool, characterized in that it comprises two gantry lifting frames arranged side by side, each gantry lifting frame comprises a cross beam (1), vertical columns (2) are arranged at both ends of the cross beam (1), the bottom of each column (2) is fixedly connected to a base (3), two hand chain hoists (4) are installed at the bottom of the cross beam (1), the two hand chain hoists (4) are located between the two columns (2), the bottom ends of the chains of the two hand chain hoists (4) are connected to the same U-shaped sling (5), two transverse adjustment plates (6) are arranged side by side on the upper part of the cross beam (1), each transverse adjustment plate (6) is arranged along the length direction of the cross beam (1), and long adjustment plates arranged along the length direction are opened on both sides of the transverse adjustment plate (6). A strip hole (7), a screw rod (8) is installed in the strip hole (7), the screw rod (8) is vertically arranged and passes through the strip hole (7), nuts (9) are arranged on the screw rods (8) on both sides of the transverse adjustment plate (6), the diameter of the nut (9) is larger than the width of the strip hole (7), and the screw rod (8) can be positioned at any position of the strip hole (7), the upper ends of the two screw rods (8) on the same side are fixedly connected with a mounting seat (10), a hand-cranked jack (11) is arranged on the mounting seat (10), the upper ends of the two hand-cranked jacks (11) are commonly connected to a support plate (12), the support plate (12) is arranged along the length direction of the cross beam (1), and the support plate (12) is also provided with two inclined protrusions (13) for placing the metal tank body side by side; The column (2) comprises a cylindrical rod (14) and a square column (15) which are fitted together. The cylindrical rod (14) is located inside the square column (15) and can move up and down along the square column. The bottom of the cylindrical rod (14) and the upper end of the square column (15) are provided with a matching first through hole (16). A positioning rod (17) is inserted into the first through hole (16) to position the cylindrical rod (14) and the square column (15). A connecting plate (18) is provided between the cylindrical rod (14) and the crossbeam (1). The bottom of the crossbeam (1) is provided with a slide rail (19) arranged along its length direction. Baffles (20) are installed at both ends of the slide rail (19). The connecting plate (18) A first slide groove (21) is provided on the connecting plate (18) and is matched with the slide rail (19). The bottom of the connecting plate (18) is connected to the cylindrical rod (14) through a rotating shaft. A diagonal support rod (22) is provided between the connecting plate (18) and the cylindrical rod (14). One end of the diagonal support rod (22) is fixed on the cylindrical rod (14). A positioning plate (23) is horizontally provided on the other end of the diagonal support rod (22). A positioning locking device is installed on the positioning plate (23). The positioning locking device can fix the diagonal support rod (22) and the connecting plate (18) on the slide rail (19). A through groove (24) is provided on the outer side surface of the square column (15) and is matched with the diagonal support rod (22). 2. A GIS metal tank disassembly and assembly tool according to claim 1, characterized in that: the positioning and locking device comprises a mounting sleeve (25), the mounting sleeve (25) is vertically arranged at the bottom of the positioning plate (23), a plug rod (26) is installed in the mounting sleeve (25), the bottom end of the plug rod (26) extends out of the mounting sleeve (25) and is connected to the pull ring (27), a positioning boss (28) is provided on the plug rod (26) located in the mounting sleeve (25), and the positioning boss (28) is located in the mounting groove (29) in the mounting sleeve (25). A spring (30) is also installed in the installation groove (29), and the spring (30) is located at the bottom of the boss (28) and the outer periphery of the insertion rod (26), and the spring (30) always has a tendency to make the upper end of the insertion rod (26) extend out of the positioning plate (23). Corresponding to the upper end position of the insertion rod (26), a second through hole (31) matching with the insertion rod (26) is opened on the connecting plate (18) and the slide rail (19), and the insertion rod (26) can extend into the second through hole (31) to fix the positioning plate (23) and the connecting plate (18) on the slide rail (19); A synchronous belt (43) is installed between the handle shafts of the two hand-cranked jacks (11). 3. A GIS metal tank disassembly and assembly tool according to claim 1, characterized in that: a load-bearing seat (32) is hingedly connected at both ends of each base (3), a sliding sleeve (33) is arranged on each load-bearing seat (32), and a second sliding groove (34) is opened on the side of the load-bearing seat (32) and the base (3), and the sliding sleeve (33) cooperates with the second sliding groove (34), and the sliding sleeve (33) can be moved along the second sliding groove (34) on the load-bearing seat (32) and the base (3) Sliding, first positioning screw holes (35) are opened on both sides of the hinged position of the load-bearing seat (32) and the base (3), and first positioning screw sleeves (36) corresponding to the positions of the two first positioning screw holes (35) are installed on the sliding sleeve (33). A first positioning bolt (37) is installed in each first positioning screw sleeve (36), and the first positioning bolt (37) can extend into the first positioning screw hole (35), so that the load-bearing seat (32) and the base (3) are connected as a whole by the sliding sleeve (33). 4. A GIS metal tank disassembly and assembly tool according to claim 3, characterized in that: a first connecting rod (38) is hinged on the sliding sleeve (33), and a second connecting rod (39) is hinged on the column (2), the second connecting rod (39) is sleeved in the first connecting rod (38), and a second positioning screw hole (40) is opened on the second connecting rod (39), and a second screw sleeve (41) and a second positioning bolt (42) matching with the first connecting rod (38) are installed on the first connecting rod (38), and the second positioning bolt (42) can extend into the second positioning screw hole (40) to connect the first connecting rod (38) and the second connecting rod (39) into one.