CN113086874A - Transformer installation process and equipment - Google Patents
Transformer installation process and equipment Download PDFInfo
- Publication number
- CN113086874A CN113086874A CN202110293005.8A CN202110293005A CN113086874A CN 113086874 A CN113086874 A CN 113086874A CN 202110293005 A CN202110293005 A CN 202110293005A CN 113086874 A CN113086874 A CN 113086874A
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- Prior art keywords
- hoisting
- transformer
- rod
- plate
- damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The application relates to a transformer mounting process and equipment, which comprises a transport plate for placing a transformer, the bottom of the conveying plate is provided with a conveying wheel, the upper side of the conveying plate is symmetrically provided with two hoisting rods, one end of each hoisting rod is hinged with the side wall of the transport plate, a suspension mechanism for suspending the transformer is arranged between the ends of the two hoisting rods far away from the transport plate, the hoisting rod is provided with a support rod, one end of the support rod is hinged with the conveying plate, the support rod and the hoisting rod are arranged in an X shape in a crossed manner, the cross part of the support rod and the hoisting rod is provided with a connecting block, the support rod is provided with a sliding fixing mechanism which drives the connecting block to slide along the length direction of the support rod, the lifting rod with the connecting block rotates to be connected, two the pin joint of bracing piece and transport plate is located the both sides setting of lifting rod. This application has the effect that makes the transformer can stably install, reduces the potential safety hazard.
Description
Technical Field
The application relates to the technical field of power equipment installation, in particular to a transformer installation process and equipment.
Background
The transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil, and an iron core (magnetic core). The transformer is large in size and heavy in weight, so that sufficient personnel and long time are required for installation of the transformer.
The existing Chinese invention with the authorization bulletin number of CN102226959B discloses a transformer hoisting method, which comprises a large transformer, a crane and a steel wire rope, wherein the crane and the steel wire rope are used for hoisting the transformer, and the crane is also provided with a lifting hook. The scheme can reduce labor and materials.
With respect to the related art in the above, the inventors consider that: the transformer installation process is suitable for installation places with large space, but for installation of a transformer in a distribution room, as the passageway of the distribution room is narrow and small, the transformer is difficult to transport to the installation position of the distribution room, the transformer is placed on a rolling rod after the transformer is transported to the distribution room by a transport trolley in the installation method of the transformer in the distribution room, the transformer is pushed by manpower and arrives at the place by a crowbar, personnel injury and equipment damage can be caused in the place taking process, the construction requirements of lean transformers cannot be met, meanwhile, the construction efficiency is low, and a large amount of manpower and material resources are wasted.
Disclosure of Invention
In order to enable the transformer to be stably installed and reduce potential safety hazards, the application provides a transformer installation process and equipment.
In a first aspect, the present application provides a transformer installation apparatus, which adopts the following technical scheme:
the utility model provides a transformer erection equipment, includes the transport plate that is used for placing the transformer, the bottom of transport plate is provided with the delivery wheel, the upside symmetry of transport plate is provided with two hoist and mount poles, the one end of hoist and mount pole is articulated with the lateral wall of transport plate, two it suspends the mechanism in midair that is used for suspending in midair the transformer to be provided with between the one end that the transport plate was kept away from to the hoist and mount pole, be provided with the bracing piece on the hoist and mount pole, the one end and the transport plate of bracing piece are articulated, the bracing piece with for alternately becoming X type setting between the hoist and mount pole, the bracing piece with hoist and mount pole cross section is provided with the connecting block, the bracing piece is provided with the fixed establishment that slides that drives the connecting block and slide on self length direction, the hoist and mount pole with.
Through adopting above-mentioned technical scheme, transport the transformer to the outside back of electricity distribution room at the transport vechicle, hang the transformer and put to ground, remove the transport plate to one side of transformer through the delivery wheel afterwards, the tip that drives the hoist and mount pole through the connecting block in the bracing piece after that moves towards the direction of transformer, until hanging in midair the top that the mechanism is located the transformer, alright hang the transformer through hanging in midair the mechanism, then drive the connecting block through the fixed establishment that slides along the length direction of bracing piece, make the connecting block can drive the hoist and mount pole and rotate to vertical to the inclined position, make the transformer can hoist and mount the back on the transport plate and transport the mounted position department to comparatively narrow and small electricity distribution room. Hoist and mount and transportation to the transformer through transport plate and suspension mechanism, carry out horizontal and fore-and-aft hoist and mount to the transformer through hoist and mount pole and bracing piece simultaneously, and then reduce the installation degree of difficulty of transformer, it is stable to remove during the transformer installation, and the staff's operation of being convenient for reduces the potential safety hazard, promotes the installation effectiveness.
Preferably, the support rod is provided with a sliding groove along the length direction of the support rod, the sliding groove is T-shaped, and the connecting block is matched with the sliding groove; the sliding fixing mechanism comprises rotating screws arranged along the length direction of the sliding groove, the rotating screws penetrate through the side wall of the connecting block and are in threaded connection with the connecting block, and one end of each rotating screw is provided with a power motor used for driving the rotating screws to rotate.
Through adopting above-mentioned technical scheme, the groove and the connecting block that slide that the T type set up, the possibility of the groove that can reducible connecting block slippage for the connecting block slides more stably in the inslot that slides, and then further reduces the installation hidden danger of transformer. The rotation of power motor can drive and rotate the screw rod and rotate, the rotation that rotates the screw rod can drive the connecting block and slide along the length direction of groove that slides, because the connecting block is connected for rotating with the hoist and mount pole, so the removal of connecting block can not be restricted by the hoist and mount pole, the removal of connecting block can make the bracing piece shift with the intersect of hoist and mount pole, make the bracing piece can drive the hoist and mount pole and move along the pin joint of hoist and mount pole with the transport plate, thereby need not to borrow other chain blocks alright move the transformer on the horizontal direction, make the installation of transformer more stable safety.
Preferably, the relative both sides of transport plate are provided with a plurality of telescopic links, the telescopic link can be accomodate the lateral wall that advances the transport plate, the telescopic link is parallel to each other with hoist and mount pole rotation plane, the vertical supporting screw that is provided with on the lateral wall of telescopic link, supporting screw pass the lateral wall of telescopic link and with telescopic link threaded connection, the one end rigid coupling that supporting screw moves towards ground has a brace table, supporting screw's the other end rigid coupling has the turning block.
Through adopting above-mentioned technical scheme, when hoist and mount transformer, can stretch out the lateral wall of transport plate with the telescopic link, rotate the support screw rod through the turning block afterwards for the brace table that supports the screw rod tip can the butt on ground, and then increases the support area on transport plate and ground, reduces because of the transformer overweight causes the transport plate to take place the possibility of turning on one's side, thereby security performance when further promoting the transformer installation.
Preferably, the universal wheel of delivery wheel for having brake mechanism, the delivery wheel is provided with four and is located four extreme angle departments of transport plate respectively, the end connection of delivery wheel has the connecting rod, the both ends of connecting rod pass through the dwang with transport plate interconnect, rotate through the axis of rotation between dwang and the transport plate and be connected, the rigid coupling has a worm wheel in the axis of rotation, the meshing has the worm on the worm wheel, the axis of worm is arranged along the length direction of transport plate lateral wall, two in opposite directions the coaxial transmission shaft that is provided with between the worm, the one end that the worm deviates from the transmission shaft is provided with the power rod, is located and is provided with transverse transmission mechanism between two power rods of transport plate width direction.
Through adopting above-mentioned technical scheme, the setting of four delivery wheels for when the transport plate can stably carry the transformer, also be convenient for install the worm gear. Two dwang can form the parallelogram relation with the connecting rod, and the staff accessible rotates the dwang and adjusts the interval between connecting rod and the ground, and then makes the transport plate accomplish the back in the work of transporting the transformer, and the delivery wheel can receive the lateral wall of folding at the transport plate, and then reduces the pressure of transport plate to the delivery wheel, prolongs the life of delivery wheel, also can further reduce the potential safety hazard when transporting the transformer. When folding the walking wheel, staff's accessible power pole rotates the worm, drives the worm wheel and rotates, and four worms carry out synchronous rotation through horizontal drive mechanism and transmission shaft, through the revolve of control worm to, can drive the turbine and carry out not equidirectional rotation, and the rotation accessible axis of rotation of turbine drives the dwang and rotates, realizes reciprocating of connecting rod for the delivery wheel can follow the connecting rod and reciprocate.
Preferably, the transverse transmission mechanism comprises rotating wheels arranged on the power rod, and a transmission belt in a tensioning state is sleeved between the two rotating wheels.
Through adopting above-mentioned technical scheme, can drive when the power pole rotates and rotate the wheel, owing to interconnect between two rotation wheels through the drive belt, so the rotation of power pole can drive the dwang rotation of opposite side to realize the linkage of four delivery wheels, make four delivery wheels can realize going up and down in step, thereby make placing that the transport plate can be stable install the transformer behind ground, reduce the potential safety hazard.
Preferably, suspend the mechanism in midair including setting up the hoist and mount axle between two hoist and mount poles, the one end of hoist and mount axle is provided with and is used for driving hoist and mount axle pivoted driving motor, the epaxial coaxial two rolling wheels that are provided with of hoist and mount, the rope that suspends in midair is taken turns to the winding, the lower extreme that suspends in midair is connected with the hoist and mount subassembly that is used for hoisting the transformer.
Through adopting above-mentioned technical scheme, the staff can hoist and mount the transformer on hoist and mount subassembly, open driving motor afterwards and drive hoist and mount axle rotation, the rotation of hoist and mount axle can drive the rolling wheel and rotate, the rotation of rolling wheel can be with hanging in the midair the rope rolling on the rolling wheel, the rope can be hung in midair after that from ground with the transformer, move the transformer to transport board top on the horizontal direction through the hoisting rod afterwards, place the transformer on the transport board through hanging in midair the rope afterwards, thereby make the transport board can be stable transport the transformer.
Preferably, the hoist and mount subassembly include with hang in midair rope interconnect's rings, be provided with first hoist and mount board on the rings, the downside of first hoist and mount board is connected with second hoist and mount board through the steelframe, wear to be equipped with a plurality of damping rods on the second hoist and mount board, the damping rod passes the upper end rigid coupling of second hoist and mount board has the dog, the damping pad has been cup jointed on the damping rod, the damping pad is located between dog and the second hoist and mount board, be provided with third hoist and mount board on the damping rod, one side that third hoist and mount board deviates from second hoist and mount board is provided with the lifting hook that is used for hoisting the transformer.
Through adopting above-mentioned technical scheme, when hoisting the transformer on the transport plate, can hang the lifting hook on the transformer, hoist the transformer through hanging in the midair the rope afterwards, at the in-process of hoisting the transformer, the damping pad can play certain buffering damping's effect to the shock attenuation pole to the couple is more stable to the hoist and mount of transformer, reduces the transformer and produces the possibility of damaging because of the vibration, satisfies lean on the construction requirement of transformer.
Preferably, the damping rod penetrates through the side wall of the third hoisting plate and is connected with the third hoisting plate in a sliding mode, the damping rod is sleeved with two damping springs which are respectively located on the upper side and the lower side of the third hoisting plate, and the damping rod penetrates through the end part of the third hoisting plate and is connected with a mounting nut in a threaded mode.
Through adopting above-mentioned technical scheme, when lifting hook hoist and mount transformer goes up and down, two damping springs can cushion the damping to the third hoist and mount board on the damping pole to further promote the damping buffering effect of damping pole to the lifting hook, reduce the potential safety hazard when third hoist and mount board hoist and mount transformer.
Preferably, the steel frame is composed of a plurality of steel plates which are alternately arranged in an inclined mode.
Through adopting above-mentioned technical scheme, be convenient for suspend in midair the rope and drive first hoist and mount board etc. and after stopping rising, reduce the possibility that first hoist and mount board produced and rock, can strengthen the connection stability between first hoist and mount board and the second hoist and mount board simultaneously, and then promote the hoist and mount stability of transformer.
In a second aspect, the present application provides a transformer mounting process, which adopts the following technical scheme:
a transformer installation process comprises equipment point part inspection; carrying the transformer; stably installing a transformer; mounting transformer accessories; performing transformer handover test; and (6) checking before power transmission.
By adopting the technical scheme, the inspection is carried out before the transformer is installed, the invalid work is reduced, the transport plate is adopted to transport and install the transformer, the installation difficulty of the transformer is reduced, the transformer is stably moved during installation, the operation of workers is facilitated, the potential safety hazard is reduced, and the installation efficiency is improved; the construction requirements of the lean transformer are met through transformer accessory installation, transformer handover test and inspection before power transmission.
To sum up, the application comprises the following beneficial technical effects:
1. the transformer is hoisted and transported through the transport plate and the suspension mechanism, and meanwhile, the transformer is hoisted transversely and longitudinally through the hoisting rod and the supporting rod, so that the installation difficulty of the transformer is reduced, the transformer is stable to move during installation, the transformer is convenient to operate by workers, and the potential safety hazard is reduced;
2. the distance between the connecting rod and the ground can be adjusted by the staff through rotating the rotating rod, so that after the transportation plate finishes the work of transporting the transformer, the transportation wheel can be folded on the side wall of the transportation plate, the pressure of the transportation plate on the transportation wheel is further reduced, the service life of the transportation wheel is prolonged, and the potential safety hazard when the transportation plate transports the transformer can be further reduced;
3. the vibration damping rod, the vibration damping pad and the vibration damping spring reduce the possibility of damage of the transformer caused by the hoisting vibration of the lifting hook, and meet the construction requirement of the lean transformer.
Drawings
Fig. 1 is a schematic perspective view illustrating a transformer suspended from the ground in an embodiment of the present application.
Fig. 2 is a side view of the transformer mounted on the transport plate in the embodiment of the present application.
Fig. 3 is a sectional view showing the internal structure of the support rod of fig. 1.
Fig. 4 is a schematic diagram showing the fitting relationship of the worm and gear.
Fig. 5 is a schematic structural view for embodying the suspension mechanism.
Figure 6 is a schematic perspective view of the lifting assembly of figure 5.
In the figure, 1, a transformer; 2. a transport plate; 21. a telescopic rod; 22. a support screw; 23. a support table; 24. rotating the block; 25. mounting blocks; 26. a support block; 3. a delivery wheel; 4. a suspension mechanism; 41. hoisting a shaft; 42. a drive motor; 43. a winding wheel; 44. a suspension cord; 45. hoisting the assembly; 451. a first hoisting plate; 452. a hoisting ring; 453. a second hoisting plate; 454. a steel plate; 455. a damper rod; 4551. mounting a nut; 456. a stopper; 457. a vibration damping pad; 458. a third hoisting plate; 4581. a hook; 459. a damping spring; 5. hoisting the rod; 6. a support bar; 61. a sliding groove; 62. mounting grooves; 621. a closing door; 7. connecting blocks; 8. a sliding fixing mechanism; 81. rotating the screw; 82. a power motor; 9. a connecting rod; 91. rotating the rod; 911. a rotating shaft; 912. a worm gear; 913. a worm; 914. a drive shaft; 915. a power rod; 916. a power sleeve; 917. a powered handle; 92. a transverse transmission mechanism; 921. a rotating wheel; 922. a transmission belt.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1 and 2, the embodiment of the application discloses transformer mounting equipment, which comprises a transport plate 2 for placing a transformer 1, wherein the transport plate 2 is rectangular, a cushion pad (not shown in the figure) for damping the transformer 1 is placed on the transport plate 2, four transport wheels 3 are arranged at the bottom of the transport plate 2, the transport wheels 3 are universal wheels with brake mechanisms, and the four transport wheels 3 are respectively located at four end corner positions of the transport plate 2; a suspension mechanism 4 for suspending the transformer 1 is arranged on the transport plate 2. After the transformer 1 is suspended on the transport plate 2 by the suspension mechanism 4 and transported to the installation position, the worker can install the transformer 1 stably by the suspension mechanism 4.
Referring to fig. 2 and 3, two hoisting rods 5 are symmetrically arranged in the middle of the upper side of the transport plate 2, the two hoisting rods 5 are arranged in a door shape, one end of each hoisting rod 5 is hinged with the side wall of the transport plate 2, and the suspension mechanism 4 is positioned between the ends of the two hoisting rods 5 far away from the transport plate 2; in order to stably hoist the transformer 1 by the hoisting rods 5, a support rod 6 is respectively arranged on the side wall of each hoisting rod 5 far away from each other, one end of each support rod 6 is hinged with the transport plate 2, and the hinged points of the two support rods 6 and the transport plate 2 are arranged on the two sides of the hoisting rods 5; the supporting rod 6 and the hoisting rod 5 are crossed to form an X shape, a connecting block 7 is arranged at the crossing position of the supporting rod 6 and the hoisting rod 5, a sliding fixing mechanism 8 for driving the connecting block 7 to slide is arranged on the supporting rod 6 along the length direction of the supporting rod 6, the hoisting rod 5 and the connecting block 7 are rotatably connected through a rotating shaft, the length of the supporting rod 6 is smaller than that of the hoisting rod 5, and the length of the hoisting rod 5 is larger than the length of the hinge point of the hoisting rod 5 and the transport plate 2 from the side of the transport plate; when the connecting block 7 slides left and right along the length direction of the supporting rod 6 under the driving of the sliding fixing mechanism 8, the connecting block 7 is connected with the hoisting rod 5 in a rotating manner, so the supporting rod 6 can drive the hoisting rod 5 to rotate left and right along the hinge point of the hoisting rod 5 and the conveying plate 2, the suspension mechanism 4 at the end part of the suspension rod can move in an arc manner, and the suspension mechanism 4 can move to the outer side of the conveying plate 2 to perform the suspension action of the transformer 1.
Referring to fig. 2 and 3, the support rod 6 is provided with a sliding groove 61 along the length direction thereof, the connecting block 7 is arranged in the sliding groove 61, in order to make the sliding of the connecting block 7 in the sliding groove 61 more stable, the sliding groove 61 is arranged in a T shape, and the connecting block 7 and the sliding groove 61 are mutually matched; the sliding fixing mechanism 8 comprises rotating screws 81 arranged along the length direction of the sliding groove 61, two ends of each rotating screw 81 are respectively rotatably connected with two ends of the sliding groove 61, and the rotating screws 81 penetrate through the side wall of the connecting block 7 and are in threaded connection with the connecting block 7; one end of the rotating screw 81 is provided with a power motor 82 for driving the rotating screw 81 to rotate, the support rod 6 is provided with an installation groove 62 for accommodating the power motor 82, the installation groove 62 is positioned in the extending direction of the sliding groove 61, and an output shaft of the power motor 82 is coaxially and fixedly connected with the screw; one side of the mounting groove 62 is hinged with a closing door 621, so that the worker can conveniently open the closing door 621 to overhaul the power motor 82. Rotation of power motor 82 can drive and rotate screw rod 81, the rotation that rotates screw rod 81 can drive connecting block 7 and slide along the length direction of groove 61 that slides, because connecting block 7 is connected for rotating with hoist and mount pole 5, so connecting block 7's removal can not restricted by hoist and mount pole 5, connecting block 7's removal can make bracing piece 6 shift with hoist and mount pole 5's intersect, make bracing piece 6 can drive hoist and mount pole 5 and remove along hoist and mount pole 5 and transport plate 2's pin joint, thereby need not to borrow other back chains alright move transformer 1 on the horizontal direction, make transformer 1's installation more stable safety.
Referring to fig. 4 and 5, two opposite sides of the transport plate 2 are respectively provided with two telescopic rods 21, the telescopic rods 21 can be accommodated inside the side walls of the transport plate 2, the rotation planes of the telescopic rods 21 and the hoisting rod 5 are parallel to each other, a supporting screw 22 vertically penetrates through the side wall of the telescopic rod 21, the supporting screw 22 is close to the end part of the telescopic rod 21, the supporting screw 22 penetrates through the side wall of the telescopic rod 21 and is in threaded connection with the telescopic rod 21, one end, facing the ground, of the supporting screw 22 is fixedly connected with a supporting table 23, the other end of the supporting screw 22 is fixedly connected with a rotating block 24, and the supporting screw 22 is convenient; when hoisting transformer 1, in order to make telescopic link 21 carry out stable support to transport plate 2, can pull out transport plate 2's lateral wall with telescopic link 21, rotate supporting screw 22 afterwards, drive brace table 23 and remove towards the direction on ground, realize brace table 23 then to transport plate 2's stable support, reduce because of transformer 1 overweight causes transport plate 2 to take place the possibility of turning on one's side to the security performance when further promoting transformer 1 and installing.
Referring to fig. 4 and 5, the upper end of the conveying wheel 3 is connected with a connecting rod 9, the connecting rod 9 is arranged in parallel with the conveying plate, the conveying wheel 3 is rotatably connected with the middle of one side of the connecting rod 9 facing the ground, two ends of the connecting rod 9 are rotatably connected with the side wall of the conveying plate 2 through rotating rods 91, the two rotating rods 91 are arranged in parallel with each other, the connecting rod 9 is rotatably connected with the rotating rods 91, the rotating rods 91 are rotatably connected with the conveying plate 2 through rotating shafts 911, and the rotating shafts 911 and the rotating rods 91 are fixedly connected; the two rotating rods 91, the connecting rod 9 and the transport plate 2 form a parallelogram structure, in order to limit the rotation of the rotating shaft 911, the transport wheel 3 can stably support the transport plate 2, so a worm wheel 912 is fixedly connected to the rotating shaft 911, the worm wheel is positioned on one side of the rotating rod 91 facing the transport plate 2, a worm 913 is meshed on the worm wheel 912, the axes of the worm 913 are arranged along the length direction of the side wall of the transport plate 2, a transmission shaft 913 is coaxially and fixedly connected between two opposite worms 913, the transmission shaft 914 is installed on the side wall of the transport plate 2 through two installation blocks 25, one side of each installation block 25 is fixedly connected to the side wall of the transport plate 2, and the transmission shaft 914 penetrates through the side wall of the installation block 25 and is rotatably connected with the installation block 25; one end of the worm 913, which is far away from the transmission shaft 914, is coaxially and fixedly connected with a power rod 915, the end part of the power rod 915 is coaxially provided with a power sleeve 916, the circumferential side wall of the power sleeve 916 is fixedly connected with a power handle 917, and the power rod 915 is rotated through the power handle 917 so as to drive the worm 913 to rotate; be provided with horizontal drive mechanism 92 between two power bars 915 that are located 2 width direction of transport plate, horizontal drive mechanism 92 includes the rotation wheel 921 of coaxial rigid coupling on power bar 915, has cup jointed the drive belt 922 that is in the tensioning state between two rotation wheels 921, and the rotation that the wheel 921 was rotated to one side can drive the rotation wheel 921 of opposite side through drive belt 922 and rotate for two power bars 915 can rotate in step.
Receive when folding walking wheel, staff's accessible power pole 915 rotates worm 913, it rotates to drive worm wheel 912, four worm 913 rotates in step through horizontal drive mechanism 92 and transmission shaft 914, through the turning to of control worm 913, can drive the turbine and carry out not equidirectional rotation, the rotation accessible axis of rotation 911 of turbine drives dwang 91 and rotates, realize reciprocating of connecting rod 9, make conveying wheel 3 can follow connecting rod 9 and reciprocate, make transport plate 2 accomplish the back at the work of transportation transformer 1, conveying wheel 3 can receive the lateral wall of folding at transport plate 2, and then reduce the pressure of transport plate 2 to conveying wheel 3, prolong the life of conveying wheel 3, also can further reduce the potential safety hazard when transport plate 2 transports transformer 1. In order to reduce the rotation stroke of the travelling wheels, four supporting blocks 26 are fixedly connected at the four end corners of the bottom of the transport plate 2.
Referring to fig. 5 and 6, the suspension mechanism 4 includes a hoisting shaft 41 disposed between two hoisting rods 5, an axis of the hoisting shaft 41 is perpendicular to the hoisting rods 5, a driving motor 42 for driving the hoisting shaft 41 to rotate is disposed at one end of the hoisting shaft 41, the driving motor 42 is mounted on a sidewall of one of the hoisting rods 5, an output shaft of the driving motor 42 passes through the sidewall of the hoisting rod 5 and is coaxially and fixedly connected with the hoisting shaft 41, two winding wheels 43 are coaxially and fixedly connected to the hoisting shaft 41, a suspension rope 44 is wound on the winding wheel 43, and a hoisting assembly 45 for hoisting the transformer 1 is connected to a lower end of the suspension rope 44. The staff can hoist transformer 1 on hoist and mount subassembly 45, open driving motor 42 afterwards and drive hoist and mount axle 41 and rotate, the rotation of hoist and mount axle 41 can drive wind-up pulley 43 and rotate, the rotation of wind-up pulley 43 can suspend rope 44 in the midair and roll on wind-up pulley 43, suspend rope 44 in the midair afterwards and can hang transformer 1 off ground, move transformer 1 to transport plate 2 top on the horizontal direction through hoist and mount pole 5 afterwards, place transformer 1 on transport plate 2 through suspending rope 44 in the midair afterwards, thereby make transport plate 2 can be stable transport transformer 1.
Referring to fig. 5 and 6, the hoisting assembly 45 includes a first hoisting plate 451 connected with the suspension rope 44, a hanging ring 452 is fixedly connected to the first hoisting plate 451, the end of the suspension rope 44 is bound to the hanging ring 452, a second hoisting plate 453 is connected to the lower side of the first hoisting plate 451 through a steel frame, the first hoisting plate 451 and the second hoisting plate 453 are arranged in parallel, and the steel frame is composed of four steel plates 454 which are alternately and obliquely arranged, so that the connection stability between the first hoisting plate 451 and the second hoisting plate 453 is increased, and the possibility of the second hoisting plate 453 shaking during hoisting of the suspension rope 44 is reduced; two damping rods 455 vertically penetrate through the second hoisting plate 453, the damping rods 455 are fixedly connected to the upper end of the second hoisting plate 453 through the stoppers 456, the possibility that the damping rods 455 slip off the second hoisting plate 453 can be reduced by the stoppers 456, the damping rods 455 are sleeved with damping pads 457, the damping pads 457 are located between the stoppers 456 and the upper side of the second hoisting plate 453, and the damping pads 457 can improve the damping performance of the damping rods 455; a third hoisting plate 458 is arranged on the damping rod 455, the third hoisting plate 458 is arranged in parallel with the second hoisting plate 453, a lifting hook 4581 for hoisting the transformer 1 is fixedly connected to one side of the third hoisting plate 458 away from the second hoisting plate 453, and the lifting hook 4581 can be hooked on the side wall of the transformer 1; the damping rod 455 penetrates through the side wall of the third hoisting plate 458 and is connected with the third hoisting plate 458 in a sliding manner, two damping springs 459 are sleeved on the damping rod 455, the two damping springs 459 are respectively positioned on the upper side and the lower side of the third hoisting plate 458, the damping rod 455 penetrates through the end part of the third hoisting plate 458 and is connected with a mounting nut 4551 in a threaded manner, the mounting nut 4551 enables the third hoisting plate 458 and the two damping springs 459 to be stably mounted on the damping rod 455, and the damping springs 459 are always in a compressed state; during hoisting, the lifting hook 4581 can be hooked on the transformer 1, then the transformer 1 is hoisted through the suspension rope 44, in the process of hoisting the transformer 1, the damping pad 457 can play a certain role in buffering and damping to the damping rods 455, the third hoisting plate 458 and the lifting hook 4581, so that the hoisting of the transformer 1 by the hooks is more stable, the two damping springs 459 can buffer and damp the third hoisting plate 458 on the damping rods 455, the damping and buffering effect of the damping rods 455 on the lifting hook 4581 is further improved, the possibility that the transformer 1 is damaged due to vibration is reduced, the potential safety hazard when the transformer 1 is hoisted by the third hoisting plate 458 is reduced, and the construction requirement of the lean transformer 1 is met.
In order to better implement the above embodiments, the embodiments of the present application further provide an installation process of the transformer 1, including equipment point inspection; the type, capacity, voltage combination, connection group label and short-circuit impedance of the transformer 1 are checked according to the equipment list, the construction drawing and the equipment technical file.
Carrying the transformer 1; after transporting transformer 1 to the outside of distribution box at the transport vechicle, hang transformer 1 and put to ground, remove transport plate 2 to one side of transformer 1 through delivery wheel 3 afterwards, the tip that drives hoisting rod 5 through connecting block 7 in the bracing piece 6 after that moves towards transformer 1's direction, until hanging in midair mechanism 4 and being located transformer 1's top, alright hoist transformer 1 through hanging in midair mechanism 4, then slide along the length direction of bracing piece 6 through sliding fixed establishment 8 drive connecting block 7, make connecting block 7 can drive hoisting rod 5 and rotate to vertical to the inclined position, make transformer 1 can hoist and mount and transport to comparatively narrow and small distribution box's mounted position department after transport plate 2.
Transformer 1 stably installs, practical delivery wheel 3 transports transport plate 2 to the mounted position back of electricity distribution room, stretch out the telescopic link 21 behind transport plate 2, delivery wheel 3 is received through worm wheel 912 worm 913 and dwang 91 and is folded on transport plate 2's lateral wall, brace table 23 supports subaerial through supporting screw 22, drive hoist and mount axle 41 through opening driving motor 42 afterwards and rotate, hoist and mount axle 41's rotation can drive wind-up pulley 43 and rotate, wind-up pulley 43's rotation can be with rope 44 rolling on wind-up pulley 43, suspend rope 44 in midair after that and can hang transformer 1 from transport plate 2, move transformer 1 to waiting to install the top on the horizontal direction through hoist and mount pole 5 afterwards, place transformer 1 in ground mounted position department through suspending rope 44 in midair, accomplish transport plate 2 can be stable to install transformer 1.
Mounting accessories of the transformer 1; the device comprises an on-load switch, a cooling device, an oil storage cabinet, an oil level meter, a sleeve, a gas relay, a pressure release valve and a temperature measuring device.
Performing a handover test on the transformer 1; the transformer 1 was tested according to the item specified in "test standard for handing over electrical equipment in electrical equipment installation works" GB 50150-2006. The test items of the power transformer 1 include the following: insulating oil test or SF6 gas test; measuring the direct current resistance of the winding together with the sleeve; checking the voltage ratio of all taps; checking the three-phase wiring group of the transformer 1 and the polarity of the outgoing line of the single-phase transformer 1; measuring insulation resistance of each fastener (the connecting sheet can be detached) insulated from the iron core and the iron core (with an external lead grounding wire); testing the non-pure porcelain sleeve; checking and testing the on-load voltage regulation switching device; measuring the insulation resistance, absorption ratio or polarization index of the winding and the sleeve; measuring the dielectric loss tangent value of the winding and the sleeve; measuring the direct current leakage current of the winding and the sleeve; performing a deformation test on the winding of the transformer 1; performing alternating current withstand voltage test on the winding and the sleeve; the winding and the sleeve are subjected to a long-time induced voltage test belt partial discharge test; impact switching-on test under rated voltage; checking the phase; the noise is measured.
And (6) checking before power transmission. The transformer 1 should be inspected comprehensively before commissioning, and can be put into commissioning when it is confirmed that it meets the operating conditions.
The implementation principle of the transformer installation process and equipment in the embodiment of the application is as follows: the transformer 1 is inspected before being installed, invalid work is reduced, the transport plate 2 is adopted to transport and install the transformer 1, the installation difficulty of the transformer 1 is reduced, the transformer 1 is stable in movement during installation, operation of workers is facilitated, potential safety hazards are reduced, and the installation efficiency is improved; the construction requirements of the lean transformer 1 are met through the accessory installation of the transformer 1, the handover test of the transformer 1 and the inspection before power transmission.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A transformer installation equipment which characterized in that: comprises a conveying plate (2) for placing a transformer (1), wherein a conveying wheel (3) is arranged at the bottom of the conveying plate (2), two hoisting rods (5) are symmetrically arranged at the upper side of the conveying plate (2), one end of each hoisting rod (5) is hinged with the side wall of the conveying plate (2), a suspension mechanism (4) for suspending the transformer (1) is arranged between the ends of the hoisting rods (5) far away from the conveying plate (2), a supporting rod (6) is arranged on each hoisting rod (5), one end of each supporting rod (6) is hinged with the conveying plate (2), the supporting rods (6) and the hoisting rods (5) are arranged in an X-shaped mode in a crossed mode, a connecting block (7) is arranged at the crossed position of each supporting rod (6) and each hoisting rod (5), and a sliding fixing mechanism (8) for driving the connecting block (7) to slide is arranged on each supporting rod (6) along the length direction of the supporting rod, the lifting rod (5) is rotatably connected with the connecting block (7), and the hinged point of the support rod (6) and the transport plate (2) is arranged on two sides of the lifting rod (5).
2. A transformer installation apparatus according to claim 1, wherein: the support rod (6) is provided with a sliding groove (61) along the length direction of the support rod, the sliding groove (61) is arranged in a T shape, and the connecting block (7) is matched with the sliding groove (61); the sliding fixing mechanism (8) comprises a rotating screw (81) arranged along the length direction of the sliding groove (61), the rotating screw (81) penetrates through the side wall of the connecting block (7) and is in threaded connection with the connecting block (7), and one end of the rotating screw (81) is provided with a power motor (82) used for driving the rotating screw (81).
3. A transformer installation apparatus according to claim 2, wherein: the relative both sides of transport plate (2) are provided with a plurality of telescopic links (21), the lateral wall of transporting plate (2) can be accomodate in telescopic link (21), telescopic link (21) are parallel to each other with hoist and mount pole (5) rotation plane, the vertical support screw rod (22) that is provided with on the lateral wall of telescopic link (21), support screw rod (22) pass the lateral wall of telescopic link (21) and with telescopic link (21) threaded connection, support screw rod (22) have brace table (23) towards the one end rigid coupling on ground, the other end rigid coupling of support screw rod (22) has turning block (24).
4. A transformer installation apparatus according to claim 1, wherein: the conveying wheels (3) are universal wheels with brake mechanisms, four conveying wheels (3) are arranged and are respectively positioned at the four end corners of the conveying plate (2), the end part of the conveying wheel (3) is connected with a connecting rod (9), the two ends of the connecting rod (9) are connected with the conveying plate (2) through a rotating rod (91), the rotating rod (91) is rotatably connected with the conveying plate (2) through a rotating shaft (911), a worm wheel (912) is fixedly connected to the rotating shaft (911), a worm (913) is engaged with the worm wheel (912), the axes of the worms (913) are arranged along the length direction of the side wall of the transport plate (2), a transmission shaft (914) is coaxially arranged between two opposite worms (913), one end of the worm (913) departing from the transmission shaft (914) is provided with a power rod (915), and a transverse transmission mechanism (92) is arranged between the two power rods (915) in the width direction of the conveying plate (2).
5. A transformer installation apparatus according to claim 4, wherein: the transverse transmission mechanism (92) comprises rotating wheels (921) arranged on the power rod (915), and a transmission belt (922) in a tensioning state is sleeved between the two rotating wheels (921).
6. A transformer installation apparatus according to claim 1, wherein: the suspension mechanism (4) comprises a hoisting shaft (41) arranged between two hoisting rods (5), one end of the hoisting shaft (41) is provided with a driving motor (42) for driving the hoisting shaft (41) to rotate, the hoisting shaft (41) is coaxially provided with two winding wheels (43), the winding wheels (43) are wound with suspension ropes (44), and the lower ends of the suspension ropes (44) are connected with a hoisting assembly (45) for hoisting the transformer (1).
7. The transformer mounting apparatus of claim 6, wherein: the hoisting assembly (45) comprises a hoisting ring (452) connected with a hoisting rope (44) in a hanging mode, a first hoisting plate (451) is arranged on the hoisting ring (452), a second hoisting plate (453) is connected to the lower side of the first hoisting plate (451) through a steel frame, a plurality of damping rods (455) penetrate through the second hoisting plate (453), the damping rods (455) penetrate through the upper end of the second hoisting plate (453) and are fixedly connected with a check block (456), a damping pad (457) is sleeved on the damping rods (455), the damping pad (457) is located between the check block (456) and the second hoisting plate (453), a third hoisting plate (458) is arranged on the damping rods (455), and a lifting hook (4581) used for hoisting the transformer (1) is arranged on one side, deviating from the second hoisting plate (453), of the third hoisting plate (458).
8. A transformer installation apparatus according to claim 7, wherein: the damping rod (455) penetrates through the side wall of the third hoisting plate (458) and is connected with the third hoisting plate (458) in a sliding mode, two damping springs (459) are sleeved on the damping rod (455), the two damping springs (459) are located on the upper side and the lower side of the third hoisting plate (458) respectively, and the damping rod (455) penetrates through the end part of the third hoisting plate (458) and is connected with a mounting nut (4551) in a threaded mode.
9. A transformer installation apparatus according to claim 8, wherein: the steel frame is composed of a plurality of steel plates (454) which are alternately arranged in an inclined mode.
10. A transformer mounting process using the transformer mounting apparatus according to any one of claims 1 to 9, characterized in that: equipment point inspection is included; carrying the transformer (1); the transformer (1) is stably installed; the transformer (1) is installed in an accessory manner; performing a handover test on the transformer (1); and (6) checking before power transmission.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293005.8A CN113086874A (en) | 2021-03-19 | 2021-03-19 | Transformer installation process and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110293005.8A CN113086874A (en) | 2021-03-19 | 2021-03-19 | Transformer installation process and equipment |
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| CN113086874A true CN113086874A (en) | 2021-07-09 |
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Cited By (3)
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| CN113734993A (en) * | 2021-09-08 | 2021-12-03 | 中国石油化工股份有限公司 | Power-failure-free replacement method for pole-mounted transformer |
| CN115285188A (en) * | 2022-07-21 | 2022-11-04 | 江西昊宇重工有限公司 | A line hoist and mount is put for large-scale girder steel is transported |
| CN116564686A (en) * | 2023-07-05 | 2023-08-08 | 扬州棒杰新能源科技有限公司 | Transformer assembly fixture |
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