CN112768184B - Installation and construction method for power engineering transformer - Google Patents
Installation and construction method for power engineering transformer Download PDFInfo
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- CN112768184B CN112768184B CN202011546302.0A CN202011546302A CN112768184B CN 112768184 B CN112768184 B CN 112768184B CN 202011546302 A CN202011546302 A CN 202011546302A CN 112768184 B CN112768184 B CN 112768184B
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- 238000009434 installation Methods 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000009194 climbing Effects 0.000 claims abstract description 26
- 210000000078 claw Anatomy 0.000 claims description 32
- 230000009471 action Effects 0.000 claims description 15
- 230000009466 transformation Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
- H02B5/02—Non-enclosed substations; Substations with enclosed and non-enclosed equipment mounted on pole, e.g. pole transformer substation
Abstract
The invention discloses a power engineering transformer installation construction method, which comprises the following steps: s1, manually installing the transformer on the cross frame, placing the transformer on the lifting assembly, and then placing the lifting assembly and the cross frame between the two telegraph poles; s2, buckling the two lower hook members on the telegraph pole respectively and fixing the two lower hook members at two ends of the cross frame, climbing the telegraph pole by a worker and fixing the upper hook members on the telegraph pole; s3, controlling the lifting assembly to drive the cross frame to move upwards, connecting the lower hook piece with the upper hook piece, and then controlling the lifting assembly to descend and take out from the lower part of the cross frame; the installation and construction method of the power engineering transformer is simple to operate and can quickly realize the installation of the transformer.
Description
Technical Field
The invention belongs to the field of power construction, and particularly relates to a power transformer installation construction method.
Background
The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. The main functions are voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like. It can be divided into power transformer and special transformer according to the application.
When an existing transformer is installed, due to the fact that the weight of the transformer is large, the installation frame must be installed on two telegraph poles firstly by means of auxiliary construction of a crane, then the installation frame is hung on a transformer main body, and then fixed installation is conducted.
Disclosure of Invention
The invention aims to provide an installation construction method of a power engineering transformer, which is simple to operate and can quickly realize the installation of the transformer.
In order to achieve the purpose, the invention provides the following technical scheme: a mounting construction method of an electric power engineering transformer uses a hook assembly and a lifting assembly, wherein the hook assembly comprises lower hook members fixedly mounted at two ends of a cross frame and upper hook members fixedly mounted on telegraph poles at two sides, and the lifting assembly is used for driving the cross frame mounted with the transformer to move upwards and connecting the lower hook members and the upper hook members; the installation and construction method comprises the following steps:
s1, manually installing the transformer on the cross frame, placing the transformer on the lifting assembly, and then placing the lifting assembly and the cross frame between the two telegraph poles;
s2, buckling the two lower hook members on the telegraph pole respectively and fixing the two lower hook members at two ends of the cross frame, climbing the telegraph pole by a worker and fixing the upper hook members on the telegraph pole;
and S3, controlling the lifting assembly to drive the cross frame to move upwards, connecting the lower hook piece with the upper hook piece, and then controlling the lifting assembly to descend and take out from the lower part of the cross frame.
Furthermore, avoidance grooves for placing telegraph poles are formed in two ends of the transverse frame, and limiting sliding grooves are formed in two side walls of each avoidance groove along the length direction; the lower hook piece comprises lower clamping blocks which are positioned in the avoidance groove and positioned on two sides of the telegraph pole, each lower clamping block is arranged on the cross frame through a lower bolt, and two ends of each lower bolt respectively penetrate through the limiting sliding grooves and are provided with limiting nuts; the upper end of each lower clamping block is provided with a lower connecting hook assembly, each upper hook piece comprises upper clamping blocks positioned on two sides of the telegraph pole, and the two upper clamping blocks are clamped and fixed on the telegraph pole through upper bolts; the lower end of each upper clamping block is provided with an upper connecting hook component matched with the lower connecting hook component.
Further, the lower connecting hook component comprises a lower hook body, the upper end of each lower clamping block is provided with a lower mounting groove, the upper end of each lower clamping block is provided with lower convex plates on two sides of the lower mounting groove, and the lower hook body is arranged between the two lower convex plates through a lower hinge shaft; a lower sliding groove communicated with the lower mounting groove is formed in each lower clamping block along the axial direction of the lower hinge shaft, a lower locking block and a lower spring for forcing the lower locking block to press the lower hook body are arranged in each lower sliding groove, a lower convex rod extending out of the lower clamping block extends from the side surface of each lower locking block far away from the lower spring, and the lower convex rod is pressed to push the lower locking block to compress the lower spring; every coupler body all is equipped with down the locked groove in the side that is close to down the spring down, the tip that the locking piece is being close to the spring down is equipped with down the locking lever, be equipped with down locating component down in the lower flange, when the coupler body rotates to the primary importance down, lower locking lever gets into down the locked groove under the spring action down, and the coupler body is locked motionlessly down, and when the coupler body rotated to the second place down, locating component will be down the coupler body location motionless.
Furthermore, the upper connecting hook component comprises an upper hook body, the lower end of each upper clamping block is provided with an upper mounting groove, the lower end of each upper clamping block is provided with upper convex plates on two sides of the upper mounting groove, and the upper hook body is arranged between the two upper convex plates through an upper hinge shaft; an upper chute communicated with the upper mounting groove is formed in each upper clamping block along the axial direction of the upper hinge shaft, an upper locking block and an upper spring used for forcing the upper locking block to press the upper hook body are arranged in each upper chute, an upper convex rod extending out of the upper clamping block extends from the side face of each upper locking block far away from the upper spring, and the upper convex rod is pressed to push the upper locking block to compress the upper spring; every goes up the coupler body and all is equipped with the locked groove in the side that is close to the spring, go up the locking piece and be equipped with the locking lever at the tip that is close to the spring, go up the flange and be equipped with locating component, when last coupler body changes to the primary importance, go up the locking lever and get into the locked groove under last spring action, go up the coupler body and be locked motionless, when last coupler body changes to the second place, go up locating component and will go up the coupler body location motionless.
Further, the lower positioning component comprises a lower positioning ball, a lower mounting hole is formed in one of the lower convex plates along the axial direction of the lower hinge shaft, a lower positioning hole is formed in the side surface of the lower hook body, the lower positioning ball is located in the lower mounting hole, a lower positioning spring for forcing the lower positioning ball to be tightly pressed on the side surface of the lower hook body is arranged in the lower mounting hole, and when the lower hook body rotates to the second position, the lower positioning ball enters the lower positioning hole;
the upper positioning assembly comprises an upper positioning ball, an upper mounting hole is formed in one upper convex plate along the axial direction of the upper hinge shaft, an upper positioning hole is formed in the side face of the upper hook body, the upper positioning ball is located in the upper mounting hole, an upper positioning spring used for forcing the upper positioning ball to be pressed on the side face of the upper hook body is arranged in the upper mounting hole, and when the upper hook body rotates to the second position, the upper positioning ball enters the upper positioning hole.
Furthermore, the lifting assembly comprises a bottom plate, two support rods extending upwards are arranged on the bottom plate side by side, a plurality of inverted cone-shaped convex teeth are arranged on the outer side of each support rod along the vertical direction, a supporting plate is arranged between the two support rods, a climbing positioning assembly is arranged at the position, close to the support rods, of each supporting plate, the climbing positioning assembly comprises a first electric push rod, through holes for the support rods to extend into are arranged at the two ends of each supporting plate, annular convex shoulders surrounding the outer sides of the support rods are arranged on the outer sides of the lower ends of the through holes in an extending manner of the supporting plates, each annular convex shoulder is provided with a first notch, a first connecting rod is hinged in each first notch, a climbing claw is arranged at one end, close to the support rods, and a first spring piece used for forcing the climbing claws to be tightly pressed on the outer sides of the support rods, one end of the first electric push rod is hinged on the supporting plate, and the other end of the first electric push rod is hinged with the end, far from the support rods, the first electric push rod drives the climbing claw to move upwards through the first connecting rod when extending out, and drives the climbing claw to move downwards through the first connecting rod when contracting; the side face of the annular convex shoulder is provided with a second notch, a positioning claw and a second spring piece used for forcing the positioning claw to be tightly pressed on the outer side of the supporting rod are arranged in the second notch, a second electric push rod is fixedly arranged on the outer side of the annular convex shoulder, the positioning claw is pushed to rotate to leave the outer side of the supporting rod when the second electric push rod extends out, and when the second electric push rod contracts, the positioning claw resets and is tightly pressed on the outer side of the supporting rod under the action of the second spring piece.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the transformer is pushed to the required height by using the lifting assembly, so that manpower and crane installation are not needed, and manpower and material resources are saved;
2. through the crossbearer of using the installation of being convenient for, can conveniently install the transformer between two wire poles, use manpower sparingly.
Drawings
FIG. 1 is a sectional view of a transformer according to the present invention when installed;
FIG. 2 is a cross-sectional view of the transformer of the present invention after it has been lifted into position;
FIG. 3 is a front view of the transformer and cross-frame of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention;
FIG. 6 is a cross-sectional view of the present invention after the cross frame has been installed;
FIG. 7 is an enlarged view taken at I of FIG. 6 in accordance with the present invention;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 6 in accordance with the present invention;
FIG. 9 is a cross-sectional view of the lower and upper connecting hook members of the present invention as they are opened;
FIG. 10 is a cross-sectional view taken along line D-D of FIG. 9 in accordance with the present invention;
fig. 11 is a sectional view taken along line E-E of fig. 9 in accordance with the present invention.
Detailed Description
Referring to fig. 1 to 11, in an installation and construction method of a transformer for electric power engineering, a hook assembly and a lifting assembly are used, the hook assembly comprises a lower hook fixedly installed at both ends of a cross frame 21 and an upper hook fixedly installed on two side telegraph poles 1a, and the lifting assembly is used for driving the cross frame 21 installed with the transformer 1 to move upwards and connecting the lower hook and the upper hook; the installation construction method comprises the following steps:
s1, manually installing the transformer 1 on the cross frame 21 and placing the transformer on the lifting assembly, and then placing the lifting assembly and the cross frame 21 between the two utility poles 1 a;
s2, respectively buckling two lower hook members on the telegraph pole 1a and fixing the two lower hook members at two ends of a cross frame 21, and climbing the telegraph pole 1a by workers to fixedly install the upper hook members on the telegraph pole 1 a;
and S3, controlling the lifting assembly to drive the cross frame 21 to move upwards, connecting the lower hook piece with the upper hook piece, and then controlling the lifting assembly to descend and take out from the lower part of the cross frame 21.
Two ends of the transverse frame 21 are respectively provided with an avoidance groove 21a for placing the telegraph pole 1a, and two side walls of the avoidance groove 21a are respectively provided with a limiting sliding groove 211 along the length direction; the lower hook comprises lower clamping blocks 22 which are positioned in the avoidance groove 21a and positioned on two sides of the telegraph pole 1a, each lower clamping block 22 is installed on the cross frame 21 through a lower bolt 23, and two ends of each lower bolt 23 penetrate through the limiting sliding grooves 211 respectively and are provided with limiting nuts; the upper end of each lower clamping block 22 is provided with a lower connecting hook assembly, the upper hook assembly comprises upper clamping blocks 24 positioned on two sides of the telegraph pole 1a, and the two upper clamping blocks 24 are clamped and fixed on the telegraph pole 1a through upper bolts 2 a; the lower end of each upper clamping block 24 is provided with an upper connecting hook component matched with the lower connecting hook component.
The lower connecting hook component comprises a lower hook body 223, the upper end of each lower clamping block 22 is provided with a lower mounting groove 22a, the upper end of each lower clamping block 22 is provided with lower convex plates 22b on two sides of the lower mounting groove 22a, and the lower hook body 223 is arranged between the two lower convex plates 22b through a lower hinge shaft 22 d; a lower chute 22c communicated with the lower mounting groove 22a is formed in each lower clamping block 22 along the axial direction of the lower hinge shaft 22d, a lower locking block 222 and a lower spring 224 for forcing the lower locking block 222 to press the lower hook body 223 are formed in each lower chute 22c, a lower convex rod 222a extending out of the lower clamping block 22 extends from the side surface of each lower locking block 222 away from the lower spring 224, and the lower convex rod 222a is pressed to push the lower locking block 222 to compress the lower spring 224; every lower coupler body 223 all is equipped with down the locked groove in the side that is close to spring 224 down, lock piece 222 is equipped with down locking lever 221 down in the tip that is close to the spring down, be equipped with down locating component down in the flange 22b, when lower coupler body 223 rotated to the first position, lower locking lever 221 got into down the locked groove under spring 224 effect down, and lower coupler body 223 is locked motionless, and when lower coupler body 223 rotated to the second position, lower locating component was with lower coupler body 223 location motionless.
The upper connecting hook assembly comprises an upper hook body 243, the lower end of each upper clamping block 24 is provided with an upper mounting groove 24a, the lower end of each upper clamping block 24 is provided with upper convex plates 24b on two sides of the upper mounting groove 24a, and the upper hook body 243 is arranged between the two upper convex plates 24b through an upper hinge shaft 24 d; an upper sliding groove 24c communicated with the upper mounting groove 24a is formed in each upper clamping block 24 along the axial direction of the upper hinge shaft 24d, an upper locking block 242 and an upper spring 244 for forcing the upper locking block 242 to press the upper hook body 243 are arranged in each upper sliding groove 24c, an upper protruding rod 242a protruding out of the upper clamping block 24 extends from the side surface of each upper locking block 242 away from the upper spring 244, and the upper protruding rod 242a is pressed to push the upper locking block 242 to compress the upper spring 244; each upper hook body 243 is provided with an upper locking groove on the side surface close to the upper spring 244, the end part of the upper locking block 242 close to the spring is provided with an upper locking rod 241, an upper positioning component is arranged in the upper convex plate 24b, when the upper hook body 243 rotates to the first position, the upper locking rod 241 enters the upper locking groove under the action of the upper spring 244, the upper hook body 243 is locked and cannot move, and when the upper hook body 243 rotates to the second position, the upper positioning component fixes the upper hook body 243.
The lower positioning component comprises a lower positioning ball 225, wherein a lower mounting hole 227 is formed in one lower protruding plate 22b along the axial direction of the lower hinge shaft 22d, a lower positioning hole 223a is formed in the side surface of the lower hook body 223, the lower positioning ball 225 is located in the lower mounting hole 227, a lower positioning spring 226 for forcing the lower positioning ball 225 to press against the side surface of the lower hook body 223 is arranged in the lower mounting hole 227, and when the lower hook body 223 rotates to the second position, the lower positioning ball 225 enters the lower positioning hole 223 a; the upper positioning assembly comprises an upper positioning ball 245, wherein an upper mounting hole 247 is formed in one upper convex plate 24b along the axial direction of an upper hinge shaft 24d, an upper positioning hole 243a is formed in the side surface of the upper hook body 243, the upper positioning ball 245 is positioned in the upper mounting hole 247, an upper positioning spring 246 for forcing the upper positioning ball 245 to press the side surface of the upper hook body 243 is arranged in the upper mounting hole 247, and when the upper hook body 243 rotates to the second position, the upper positioning ball 245 enters the upper positioning hole 243 a.
The lifting assembly comprises a bottom plate 3, two support rods 39 extending upwards are arranged on the bottom plate 3 side by side, a plurality of inverted cone-shaped convex teeth 391 are arranged on the outer side of each support rod 39 along the vertical direction, a support plate 31 is arranged between the two support rods 39, a climbing positioning assembly is arranged on the support plate 31 close to the support rods 39, the climbing positioning assembly comprises a first electric push rod 36, through holes for the support rods 39 to extend into are arranged at two ends of the support plate 31, annular shoulders 31a surrounding the outer sides of the support rods 39 are arranged on the outer sides of the lower ends of the through holes of the support plate 31 in an extending manner, a first notch 31b is arranged on each annular shoulder 31a, a first connecting rod 38 is hinged in each first notch 31b, a climbing claw 35 is arranged at one end of each first connecting rod 38 close to the support rod 39, and a first spring piece 37 for forcing the climbing claw 35 to be pressed on the outer side of the support rods 39, one end of the first electric push rod 36 is hinged on the supporting plate 31, the other end of the first electric push rod 36 is hinged with the end part of the first connecting rod 38 far away from the supporting rod 39, the first electric push rod 36 drives the climbing claw 35 to move upwards through the first connecting rod 38 when extending, and the first electric push rod 36 drives the climbing claw 35 to move downwards through the first connecting rod 38 when contracting; the side surface of the annular shoulder 31a is provided with a second notch 31c, the second notch 31c is internally provided with a positioning claw 32 and a second spring piece 33 for forcing the positioning claw 32 to be pressed on the outer side of the support rod 39, the outer side of the annular shoulder 31a is fixedly provided with a second electric push rod 34, when the second electric push rod 34 extends out, the positioning claw 32 is pushed to rotate away from the outer side of the support rod 39, and when the second electric push rod 34 contracts, the positioning claw 32 is reset and pressed on the outer side of the support rod 39 under the action of the second spring piece 33.
In the above S1, when the cross frame 21 is placed between the two utility poles 1a, the utility poles 1a are respectively positioned in the escape grooves 21a at both ends of the cross frame 21.
In the above S2, the two lower clamping blocks 22 at the two ends of the cross frame 21 are fastened to the utility pole 1a and fixed to the cross frame 21 by the lower bolts 23, the lower locking block 222a is pushed by the lower protruding rod 222a to compress the lower spring 224, the lower locking block 222 drives the lower lock rod 221 to leave the lower lock groove, the lower hook 223 is controlled to rotate to the second position, the lower positioning ball 225 enters the lower positioning hole 223a by the lower positioning spring 226 to position the lower hook 223 (as shown in fig. 9), after the installation of the lower hook is completed, the worker climbs the utility pole 1a to install the two upper clamping blocks 24 on the utility pole 1a at a certain height, and clamps and fixes the utility pole 1a by the upper bolts 2a, the upper locking block 242 is pushed by the upper pressing of the lock rod 242a to compress the upper spring 244, the upper locking block 242 drives the upper locking block 243 to leave the upper lock groove 243, and then the upper hook is controlled to rotate to the second position, the upper positioning ball 245 acts on the upper positioning spring 246 to realize the positioning hole 245 a which enters the upper hook entering the upper hook And positioning (as shown in fig. 9) to complete the installation of the upper hook.
In the above S3, the supporting plate 31 and the supporting rod 39 are slidably engaged, so that the first electric push rod 36 extends to drive the first connecting rod 38 to rotate, the climbing claw 35 compresses the first spring leaf 37 under the pushing action of the inverted cone-shaped protrusion 391, the climbing claw 35 is brought to the upper end of the previous inverted cone-shaped protrusion 391, and at the same time, the positioning claw 32 is positioned under the action of the second spring leaf 33 to prevent the supporting plate 31 from sliding downwards, the first spring leaf 37 pushes the climbing claw 35 to rotate and enter the upper end of the previous inverted cone-shaped protrusion 391, the first electric push rod 36 contracts to drive the first connecting rod 38 to rotate in the opposite direction to push the supporting plate 31 to lift, the positioning claw 32 is pushed to rotate under the action of the inverted cone-shaped protrusion 391 to compress the second spring leaf 33, the positioning claw 32 is lifted to the upper end of the inverted cone-shaped protrusion 391 above the supporting plate 31 to be positioned under the action of the second spring leaf 33, the transformer 1 is lifted to a height of the inverted cone-shaped protrusion 391, and the above actions are repeated, the transformer 1 can be lifted to a required position, after the lower hook body 223 and the upper hook body 243 are contacted, the transformer is mutually pushed to rotate to a second position, at this time, under the action of the lower spring 224, the lower lock block 222 drives the lower lock rod 221 to enter the lower lock groove, meanwhile, under the action of the upper spring 244, the upper lock block 242 drives the upper lock rod 241 to enter the upper lock groove, the upper hook body 243 and the lower hook body 223 are hung together (as shown in fig. 8), the upper hook body and the lower hook body are installed in place, the second electric push rod 34 extends, the positioning claw 32 is pushed to overcome the second spring piece 33 to rotate, the first electric push rod 36 extends out, the climbing claw 35 is pushed out of an inter-tooth space, the supporting plate 31 slides down through self-weight, and after the supporting plate 31 is completely descended, the installation is completed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The installation construction method of the power engineering transformer is characterized by using a hook assembly and a lifting assembly, wherein the hook assembly comprises lower hook members fixedly arranged at two ends of a cross frame and upper hook members fixedly arranged on telegraph poles at two sides, and the lifting assembly is used for driving the cross frame provided with the transformer to move upwards and connecting the lower hook members and the upper hook members; two ends of the transverse frame are respectively provided with an avoiding groove for placing a telegraph pole, and two side walls of each avoiding groove are respectively provided with a limiting sliding groove along the length direction; the lower hook piece comprises lower clamping blocks which are positioned in the avoidance groove and positioned on two sides of the telegraph pole, each lower clamping block is arranged on the cross frame through a lower bolt, and two ends of each lower bolt respectively penetrate through the limiting sliding grooves and are provided with limiting nuts; the upper end of each lower clamping block is provided with a lower connecting hook assembly, each upper hook piece comprises upper clamping blocks positioned on two sides of the telegraph pole, and the two upper clamping blocks are clamped and fixed on the telegraph pole through upper bolts; the lower end of each upper clamping block is provided with an upper connecting hook component matched with the lower connecting hook component; the lower connecting hook component comprises a lower hook body, the upper end of each lower clamping block is provided with a lower mounting groove, the upper end of each lower clamping block is provided with lower convex plates on two sides of the lower mounting groove, and the lower hook body is arranged between the two lower convex plates through a lower hinge shaft; a lower sliding groove communicated with the lower mounting groove is formed in each lower clamping block along the axial direction of the lower hinge shaft, a lower locking block and a lower spring for forcing the lower locking block to press the lower hook body are arranged in each lower sliding groove, a lower convex rod extending out of the lower clamping block extends from the side face, far away from the lower spring, of each lower locking block, and the lower convex rod is pressed to push the lower locking block to compress the lower spring; each lower hook body is provided with a lower locking groove on the side surface close to the lower spring, the lower locking block is provided with a lower locking rod at the end part close to the spring, a lower positioning assembly is arranged in the lower convex plate, when the lower hook body rotates to a first position, the lower locking rod enters the lower locking groove under the action of the lower spring, the lower hook body is locked and cannot move, and when the lower hook body rotates to a second position, the lower positioning assembly positions the lower hook body; the upper connecting hook assembly comprises an upper hook body, the lower end of each upper clamping block is provided with an upper mounting groove, the lower end of each upper clamping block is provided with upper convex plates on two sides of the upper mounting groove, and the upper hook body is arranged between the two upper convex plates through an upper hinge shaft; an upper chute communicated with the upper mounting groove is formed in each upper clamping block along the axial direction of the upper hinge shaft, an upper locking block and an upper spring used for forcing the upper locking block to press the upper hook body are arranged in each upper chute, an upper convex rod extending out of the upper clamping block extends from the side face of each upper locking block far away from the upper spring, and the upper convex rod is pressed to push the upper locking block to compress the upper spring; the side surface of each upper hook body, which is close to the upper spring, is provided with an upper locking groove, the end part of each upper locking block, which is close to the spring, is provided with an upper locking rod, an upper positioning assembly is arranged in the upper convex plate, the upper locking rod enters the upper locking groove under the action of the upper spring when the upper hook body rotates to a first position, the upper hook body is locked and is not moved, and the upper positioning assembly positions the upper hook body when the upper hook body rotates to a second position; the installation and construction method comprises the following steps:
s1, manually installing the transformer on the cross frame, placing the transformer on the lifting assembly, and then placing the lifting assembly and the cross frame between the two telegraph poles;
s2, buckling the two lower hook members on the telegraph pole respectively and fixing the two lower hook members at two ends of the cross frame, and climbing the telegraph pole by a worker to fixedly install the upper hook members on the telegraph pole;
and S3, controlling the lifting assembly to drive the cross frame to move upwards, connecting the lower hook piece with the upper hook piece, and then controlling the lifting assembly to descend and take out from the lower part of the cross frame.
2. The installation and construction method of the power engineering transformer as claimed in claim 1, wherein the lower positioning assembly comprises a lower positioning ball, wherein a lower mounting hole is formed in one of the lower protruding plates along the axial direction of the lower hinge shaft, a lower positioning hole is formed in the side surface of the lower hook, the lower positioning ball is located in the lower mounting hole, a lower positioning spring for forcing the lower positioning ball to press against the side surface of the lower hook is arranged in the lower mounting hole, and the lower positioning ball enters the lower positioning hole when the lower hook rotates to the second position;
the upper positioning assembly comprises an upper positioning ball, an upper mounting hole is formed in one upper convex plate along the axial direction of an upper hinge shaft, an upper positioning hole is formed in the side face of the upper hook body, the upper positioning ball is located in the upper mounting hole, an upper positioning spring used for forcing the upper positioning ball to be pressed on the side face of the upper hook body is arranged in the upper mounting hole, and when the upper hook body rotates to the second position, the upper positioning ball enters the upper positioning hole.
3. The installation and construction method of the power engineering transformer according to claim 1, wherein the lifting assembly comprises a bottom plate, two support rods extending upward are arranged on the bottom plate side by side, a plurality of inverted conical teeth are arranged on the outer side of each support rod along the vertical direction, a supporting plate is arranged between the two support rods, a climbing positioning assembly is arranged on the supporting plate near the support rods, the climbing positioning assembly comprises a first electric push rod, through holes for the support rods to extend into are arranged at both ends of the supporting plate, a circular shoulder surrounding the outer side of the support rod is arranged on the supporting plate in an extending manner at the outer side of the lower end of the through hole, a first notch is arranged on each circular shoulder, a first connecting rod is hinged in each notch, a climbing claw is arranged at one end of the first connecting rod near the support rod, and a first spring plate for forcing the climbing claw to press against the outer side of the support rod, one end of the first electric push rod is hinged to the supporting plate, the other end of the first electric push rod is hinged to the end, far away from the supporting rod, of the first connecting rod, the first electric push rod drives the climbing claw to move upwards when extending out, and the first electric push rod drives the climbing claw to move downwards when contracting; the side face of the annular convex shoulder is provided with a second notch, a positioning claw and a second spring piece used for forcing the positioning claw to be tightly pressed on the outer side of the supporting rod are arranged in the second notch, a second electric push rod is fixedly arranged on the outer side of the annular convex shoulder, the positioning claw is pushed to rotate to leave the outer side of the supporting rod when the second electric push rod extends out, and when the second electric push rod contracts, the positioning claw resets and is tightly pressed on the outer side of the supporting rod under the action of the second spring piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546302.0A CN112768184B (en) | 2020-12-24 | 2020-12-24 | Installation and construction method for power engineering transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011546302.0A CN112768184B (en) | 2020-12-24 | 2020-12-24 | Installation and construction method for power engineering transformer |
Publications (2)
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| CN112768184B true CN112768184B (en) | 2022-07-19 |
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| CN105261447A (en) * | 2015-09-28 | 2016-01-20 | 国网河南省电力公司洛阳供电公司 | Installation device for pole-mounted transformer |
| CN107452469A (en) * | 2017-09-04 | 2017-12-08 | 刘松 | A kind of liftable transformer rack |
| CN207302863U (en) * | 2017-08-26 | 2018-05-01 | 新昌县金瓯新能源科技有限公司 | A kind of transformer installation auxiliary device |
| CN210012539U (en) * | 2019-04-15 | 2020-02-04 | 中豪电力科技有限公司 | Transformer installation elevating gear |
| CN211858329U (en) * | 2020-01-21 | 2020-11-03 | 杨苹 | Swift power transformer installation device |
| CN111994818A (en) * | 2020-08-28 | 2020-11-27 | 杭州忒白电子科技有限公司 | Transformer lifting and mounting device with protection function |
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| CN105261447A (en) * | 2015-09-28 | 2016-01-20 | 国网河南省电力公司洛阳供电公司 | Installation device for pole-mounted transformer |
| CN207302863U (en) * | 2017-08-26 | 2018-05-01 | 新昌县金瓯新能源科技有限公司 | A kind of transformer installation auxiliary device |
| CN107452469A (en) * | 2017-09-04 | 2017-12-08 | 刘松 | A kind of liftable transformer rack |
| CN210012539U (en) * | 2019-04-15 | 2020-02-04 | 中豪电力科技有限公司 | Transformer installation elevating gear |
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