CN112382464A - Supporting device for transformer and lifting installation method - Google Patents
Supporting device for transformer and lifting installation method Download PDFInfo
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- CN112382464A CN112382464A CN202011215364.3A CN202011215364A CN112382464A CN 112382464 A CN112382464 A CN 112382464A CN 202011215364 A CN202011215364 A CN 202011215364A CN 112382464 A CN112382464 A CN 112382464A
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- Prior art keywords
- transformer
- bottom plate
- lifting
- rope
- plate
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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
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
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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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/002—Arrangements provided on the transformer facilitating its transport
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a supporting device for a transformer and a lifting installation method, wherein the supporting device comprises a bottom plate, a cover plate matched with the bottom plate in shape is arranged above the bottom plate, the cover plate and the bottom plate are combined to form an accommodating cavity consistent with the shape of a transformer body, a lifting mechanism is arranged outside the bottom plate and used for quickly lifting and installing the transformer body at the high position of a telegraph pole for installing the transformer and descending the transformer body to the ground from the high position of the telegraph pole under the condition of subsequent maintenance and replacement of the transformer. According to the transformer body, the transformer body is directly lifted to the high position of the telegraph pole through the lifting mechanism, so that high-position installation is completed, the complicated process that the transformer body needs to be moved to the lifting device from the ground, lifted to the installation position by the lifting device, finally moved out of the lifting device and installed on the installation position of the telegraph pole is avoided, and the person is prevented from climbing high, so that the transformer body has the advantages of strong operability and high safety.
Description
Technical Field
The invention relates to the technical field of transformer installation, in particular to a supporting device for a transformer and a lifting installation method.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, and the transformer has the following main functions: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization and the like, and most of transformers are installed outdoors;
the method for installing the transformer outdoors comprises the steps that the transformer is directly welded on the outdoor open ground or at the high position of the telegraph pole through the bottom plate, the method for completely welding and fixing the transformer can prevent the transformer from shaking in the working process, and avoid unstable or damaged work of the transformer, but the method also has corresponding defects such as that the transformer placed on the ground in flood disasters can be soaked by rainwater to cause scrapping, so the installation mode of the transformer welded at the high position of the telegraph pole highlights the superiority, the transformer can be enabled to be at a certain height away from the ground, and the phenomenon that the transformer is soaked due to water accumulation on the ground and water level rising can be avoided to a certain extent;
for the transformer to be installed at a high position on a telegraph pole, during installation, due to the fact that the weight ratio of the transformer is heavy, a large-scale mechanical suspension needs to be used, and the transformer needs to be placed at a designated place.
Disclosure of Invention
The invention aims to provide a supporting device for a transformer and a lifting installation method, and aims to solve the technical problems that in the prior art, the transformer needs to be moved onto or off a lifting device by means of an external tool, the process is complicated, and the installation process and the subsequent maintenance process need to be carried out by climbing to a high position, so that certain dangerousness is caused.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a supporting device for a transformer comprises a bottom plate, wherein a cover plate matched with the shape of the bottom plate is arranged above the bottom plate, the cover plate and the bottom plate are combined to form an accommodating cavity consistent with the shape of a transformer body, a lifting mechanism is arranged outside the bottom plate, and the lifting mechanism is used for quickly lifting and installing the transformer body at the high position of a telegraph pole for installing the transformer and descending the transformer body from the high position of the telegraph pole to the ground under the condition of subsequent maintenance and replacement of the transformer;
the lifting mechanism comprises a lifting device for mounting the transformer body on the telegraph pole, a supporting mechanism for mounting the transformer on the telegraph pole and two rows of connecting block arrays arranged on two sides outside the bottom plate and connected with the lifting device respectively, the supporting mechanism comprises a first hoop and a second hoop which are arranged at two ends of the telegraph pole and have the same cross sectional area with the telegraph pole respectively, the first hoop, the second hoop and the central axis of the telegraph pole are coincided, the first hoop is located above the second hoop, a supporting plate is arranged between the first hoop and the second hoop, two connecting tooth columns are arranged on the surfaces of the supporting plate and on two sides of the flat position of the first hoop, and the distance between the connecting tooth columns is the same as the distance between the two rows of connecting block arrays.
As a preferable scheme of the present invention, the lifting device includes a driving bracket fixed on the ground, a winding roller is disposed between upper ends of the driving bracket, a lifting motor is fixed on a front end surface of the driving bracket, and a rotation center shaft of the winding roller is in transmission connection with an output shaft of the lifting motor.
As a preferred scheme of the invention, two lifting traction ropes are respectively arranged between the winding roller and the two rows of connecting block arrays, the two lifting traction ropes are respectively a left traction rope positioned on the left side of the bottom plate and a right traction rope positioned on the right side of the bottom plate, one end of the left traction rope is divided into a plurality of parts which are correspondingly connected with a plurality of connecting blocks in the connecting block array positioned on the left side of the bottom plate one by one, the other end of the left traction rope sequentially bypasses a connecting tooth column positioned on the left side of the supporting plate and a connecting tooth column positioned on the right side of the supporting plate to be wound on a rotating central shaft of the winding roller, one end of the right traction rope is divided into a plurality of parts which are correspondingly connected with a plurality of connecting blocks in the connecting block.
As a preferable aspect of the present invention, the rope portions of the left pulling rope and the right pulling rope between the connection tooth column on the right side of the support plate and the rotation center shaft of the winding roller have the same shape, and the rope portion of the left pulling rope between the connection block array on the left side of the bottom plate and the connection tooth column on the left side of the support plate is in parallel with the rope portion of the right pulling rope between the connection block array on the right side of the bottom plate and the connection tooth column on the right side of the support plate.
As a preferable scheme of the invention, the connection block array is formed by a plurality of connection blocks in a linear arrangement structure, and the length of the linear arrangement structure is the same as the distance between the front end and the rear end of the bottom plate.
As a preferable scheme of the invention, the bottom plate is a square cavity with an opening at the top, the cover plate is a pointed structure consisting of two inclined baffles, the cross-sectional plane area of the lower surface of the pointed structure is larger than the cross-sectional area of the opening of the square cavity, a raised connecting strip is arranged at the opening of the square cavity, a connecting groove matched with the connecting strip is arranged on the lower surface of the pointed structure, and the connecting strip and the connecting groove are connected or separated under the action of external force.
As a preferable scheme of the present invention, the outer surfaces of the two inclined baffles in the cover plate are both provided with a convex edge, and the inner side of the convex edge is provided with a vent hole communicated with external air.
As a preferable scheme of the present invention, buffering spring strips are arranged on both the surface of the cover plate portion and the surface of the bottom plate portion forming the accommodating cavity, and a spatial structure having the same shape as the accommodating cavity is formed by combining the buffering spring strips.
As a preferable scheme of the invention, a baffle plate cover is arranged outside the connecting tooth column, the baffle plate cover comprises an annular flat plate connected with the cross section plane of the connecting tooth column and a semicircular arc plate arranged between the annular flat plate and the supporting plate, and the semicircular arc plate is matched with the semicircular radian of the cross section plane of the connecting tooth column.
As a preferable aspect of the present invention, a lifting installation method for the supporting device for the transformer specifically includes the following steps:
s100, separating a connecting strip on the cover plate from a connecting groove on the bottom plate by holding the cover plate through external force, then placing a transformer body into the accommodating cavity, clamping the transformer body in a space structure formed by the buffer spring strips, and then embedding the connecting strip on the cover plate into the connecting groove on the bottom plate to combine the connecting strip on the cover plate and the connecting groove together to form a closed unified structure between the cover plate and the bottom plate;
s200, controlling a lifting motor to rotate to drive a rotating central shaft of a winding roller to rotate so as to tighten a lifting traction rope, so as to lift a connecting block array connected with the lifting traction rope upwards, further enabling an accommodating cavity in a synchronous motion state with the connecting block array to do ascending motion, lifting a transformer body to a certain height of a telegraph pole, stopping the lifting motor to enable the lifting traction rope connected with the rotating central shaft on the winding roller to maintain the current length unchanged, and keeping the accommodating cavity to stay at the current height for supporting the transformer body inside to normally work;
s300, when meetting unexpected condition, start the rotation center axle that promotes the motor and make on the winding roller and drive the promotion haulage rope and continue to tighten up to continue to promote transformer mounting height, perhaps when maintaining the change to the transformer, start the rotation center axle that promotes the motor and make on the winding roller and drive the promotion haulage rope and continue the release, thereby drive the holding chamber and descend subaerially, thereby maintain the change to the transformer body that is in subaerial.
Compared with the prior art, the invention has the following beneficial effects:
the invention is used for lifting and installing the transformer on a telegraph pole by arranging the lifting mechanism, firstly controlling the lifting motor to drive the winding roller to rotate and release the lifting traction rope wound on the rotating central shaft in the installation process, thereby driving the bottom plate connected with the other end of the lifting traction rope to descend to the lowest ground of the telegraph pole, then placing the transformer body into the accommodating cavity consisting of the bottom plate and the cover plate to enable the transformer and the bottom plate to have a consistent lifting motion state, further enabling the lifting traction rope to be continuously wound and tightened on the rotating central shaft of the winding roller by driving the winding roller to rotate by the lifting motor, driving the bottom plate to continuously move upwards along with the tightening of the lifting traction rope, therefore, the transformer body in the accommodating cavity rises to a certain height away from the ground, stopping the lifting motor to enable the lifting traction rope on the winding roller to maintain the current length, and enabling the accommodating cavity, thereby maintaining the current height of the transformer as the installation height of the transformer, and then continuously increasing the height of the transformer along with the rise of the water level or other special conditions, the installation height of the transformer can be controlled by changing the length of the lifting traction rope, the installation height of the transformer is not limited, the flexibility is strong, and the device can adapt to various unexpected conditions, the transformer body is only placed in the containing cavity at the lower part in the installation process, the transformer body is directly lifted to the high position of the telegraph pole through the lifting mechanism, the high-position installation is completed, the complex process that the transformer body is moved to the lifting device from the ground, then lifted to the installation position by the lifting device, finally moved out of the lifting device and then installed on the installation position of the telegraph pole is avoided, and can descend transformer position to the low department through hoist mechanism to subsequent maintenance, avoid personnel to climb, have the advantage that maneuverability is strong and the security is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;
FIG. 2 is a schematic view of a left tow rope configuration according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a baffle housing according to an embodiment of the present invention;
FIG. 4 is a schematic view of a structure of a flange and a vent hole provided in an embodiment of the present invention;
fig. 5 is a flowchart of a lifting installation method according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a bottom plate; 2-cover plate; 3-an accommodating cavity; 4-a lifting mechanism; 5, lifting a traction rope; 6-buffer spring strip; 7-baffle plate cover; 8-a telegraph pole; 9-a transformer;
101-a connecting strip;
201-connecting grooves; 202-convex edge; 203-vent hole;
401-a lifting device; 402-a support mechanism; 403-connecting block array;
4011-drive carriage; 4012-wire winding roller; 4013-lift motor;
4021-a first hoop; 4022-a second hoop; 4023-a support plate; 4024-connecting tooth posts;
501-left hauling rope; 502-right hauling rope;
701-circular plate; 702-semi-circular arc plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention provides a supporting device for a transformer, which comprises a bottom plate 1, wherein a cover plate 2 matched with the bottom plate 1 in shape is arranged above the bottom plate 1, the cover plate 2 and the bottom plate 1 are combined to form an accommodating cavity 3 consistent with the shape of a transformer body, a lifting mechanism 4 is arranged outside the bottom plate 1, and the lifting mechanism 4 is used for quickly lifting and installing the transformer body at the high position of a telegraph pole for installing the transformer and descending the transformer body from the high position of the telegraph pole to the ground under the condition of subsequent maintenance and replacement of the transformer;
the specific lifting mode of the supporting device is as follows: firstly, place the transformer body and carry out fixed centre gripping in holding chamber 3, then, use hoist mechanism 4 to upwards promote holding chamber 3 that places the transformer body apart from ground take the altitude to keep the certain distance with ground and carry out normal work, later, when unexpected the circumstances such as rainwater pile up the water level and approach bottom plate 1 lower surface or toy climbing contact, continue to use hoist mechanism 4 to further carry out the position promotion to holding chamber 3 at present height, further increase and the distance between the ground, be used for keeping the transformer to continue work under unexpected circumstances, or when the transformer body needs to maintain, use hoist mechanism 4 to carry out the position to holding chamber 3 and descend to contact with ground, thereby the ground personnel of being convenient for overhaul the maintenance operation.
The lifting mechanism 4 comprises a lifting device 401 for mounting the transformer body on the telegraph pole, a supporting mechanism 402 for mounting the transformer on the telegraph pole, and two rows of connecting block arrays 403 arranged on two outer sides of the base plate 1 and respectively connected with the lifting device 401, wherein the connecting block arrays 403 and the base plate 1 are integrally formed, so that the connecting block arrays 403 and the base plate 1 have synchronous motion states, the supporting mechanism 402 comprises a first hoop 4021 and a second hoop 4022 which are respectively arranged at two ends of the telegraph pole and have the same cross-sectional area with the telegraph pole, namely, the distance between the first hoop 4021 and the second hoop 4022 is the height distance of the whole telegraph pole, the first hoop 4021, the second hoop 4022 and the central axis are coincident, the first hoop 4021 is positioned above the second hoop 4022, so that the second hoop 4022 is positioned on the telegraph pole at the bottom close to the ground, a supporting plate 4023 is arranged between the first hoop 4021 and the second hoop 4022, wherein the top of the supporting plate 4023 is aligned with the straight line of the first hoop 4021, the bottom of the supporting plate 4023 is aligned with the straight line of the second hoop 4022, the height of the supporting plate 4023 is equal to the distance between the first hoop 4021 and the second hoop 4022, namely, the height of the supporting plate 4023 is equal to the height of the whole telegraph pole, two connecting tooth columns 4024 are arranged on two sides of the surface of the supporting plate 4023 aligned with the first hoop 4021, the height of each connecting tooth column 4024 from the ground is equal to the height of the whole telegraph pole, the distance between the two connecting tooth columns 4024 is equal to the distance between the two rows of connecting block arrays 403, the connecting tooth columns 4024 and the connecting block arrays 403 are ensured to be in one-to-one correspondence, that is, the connecting tooth columns 4024 on the left side of the supporting plate 4023 correspond to and are aligned with the connecting block arrays 403 on the left side of the base plate 1, and the connecting tooth columns 4024 on the right side of the supporting plate 4023 correspond to and are aligned with the connecting block arrays 403 on the right side of the base plate 1.
As shown in fig. 1 and 2, the lifting device 401 includes a driving support 4011 fixed on the ground, the driving support 4011 is welded on the ground and remains fixed on the ground, a winding roller 4012 is disposed between the upper ends of the driving support 4011, a lifting motor 4013 is fixed on the front end surface of the driving support 4011, the rotation center shaft of the winding roller 4012 is in transmission connection with the output shaft of the lifting motor 4013, and thus the rotation center of the winding roller 4012 and the output shaft of the lifting motor 4013 have the same rotation direction and speed.
Wherein, two lifting hauling ropes 5 are respectively arranged between the winding roller 4012 and the two rows of connecting block arrays 403, the two lifting hauling ropes 5 are respectively a left hauling rope 501 positioned at the left side of the bottom plate 1 and a right hauling rope 502 positioned at the right side of the bottom plate 1, one end of the left hauling rope 501 is divided into a plurality of parts to be correspondingly connected with a plurality of connecting blocks in the connecting block array 403 positioned at the left side of the bottom plate 1 one by one, so that the end of the left hauling rope 501 connected with the connecting block array 403 at the left side of the bottom plate 1 has the same motion state with the connecting block array 403, because the connecting block array 403 and the bottom plate 1 are integrally formed, the connecting block array 403 and the bottom plate 1 have the synchronous motion state, and then one end of the left hauling rope 501 and the left side of the bottom plate 1 have the same motion state, the other end of the left hauling rope bypasses the connecting tooth columns 4024 positioned at, the other end of the left pulling rope 501 is tightened or released along with the rotation direction of the winding roller 4012, when the lifting motor 4013 is controlled to drive the winding roller 4012 to rotate forward to drive the other end of the left pulling rope 501 to tighten, the left pulling rope 501 is in a tightened state, so that the end, connected with the connecting block on the left side of the base plate 1, of the left pulling rope 501 provides a pulling force along the direction of the left pulling rope 501 to the left side of the base plate 1, and when the left pulling rope 501 is in the tightened state between the connecting block array 403 on the left side of the base plate 1 and the rotation central shaft of the winding roller 4012, the left pulling rope 501 cannot lift the base plate 1 upwards because the left pulling rope 501 needs to be wound around the connecting tooth post 4024 on the left side of the supporting plate 4023 for changing the trend of the left pulling rope 501, and because the connecting tooth post 4024 on the left side of the supporting plate 4023 and the connecting block array 403 on the left side of the base plate 1 are in the same straight direction and the connecting tooth columns 4024 on the left side of the supporting plate 4023 are arranged above the connecting block array 403 on the left side of the bottom plate 1, so that the rope body part of the left traction rope 501 tensioned between the connecting tooth columns 4024 on the left side of the supporting plate 4023 and the connecting block array 403 on the left side of the bottom plate 1 is in a vertical structure, and along with the tensioning of the left traction rope 501, the left traction rope 501 in the vertical structure provides a pulling force along the trend of the left traction rope 501, namely a vertically upward pulling force, for the connecting block array 403 on the left side of the bottom plate 1, so that the left side of the bottom plate 1 is lifted upwards along with; when the left side of the bottom plate 1 needs to be lowered, the lifting motor 4013 is controlled to drive the winding roller 4012 to rotate reversely, so that the tightened left traction rope 501 is released and becomes loose, the pulling force on the left traction rope 501 disappears, and the left side of the bottom plate 1 does not receive upward pulling force and moves downwards under the action of gravity, so that the lowering operation on the left side of the bottom plate 1 is realized;
one end of the right traction rope 502 is divided into a plurality of parts to be correspondingly connected with a plurality of connecting blocks in the connecting block array 403 on the right side of the base plate 1 one by one, so that the end, connected with the connecting block on the right side of the base plate 1, of the right traction rope 502 has the same motion state with the connecting block array 403, and the connecting block array 403 and the base plate 1 are integrally formed, so that the connecting block array 403 and the base plate 1 have the synchronous motion state, one end of the right traction rope 502 has the same motion state with the right side of the base plate 1, and the other end of the right traction rope bypasses the connecting tooth column 4024 on the right side of the supporting plate 4023; similarly, the other end of the right pulling rope 502 is tightened or released along with the rotation direction of the winding roller 4012, when the lifting motor 4013 is controlled to drive the winding roller 4012 to rotate positively to drive the other end of the right pulling rope 502 to tighten, the right pulling rope 502 is in a tightened state, so that the end, connected with the connecting block on the right side of the base plate 1, of the right pulling rope 502 provides a pulling force along the direction of the right pulling rope 502 to the right side of the base plate 1, and when the right pulling rope 502 is in the tightened state between the connecting block array 403 on the right side of the base plate 1 and the rotation central shaft of the winding roller 4012, the right pulling rope 502 cannot be lifted upwards to the base plate 1 on the connecting line of two points of the connecting central shaft of the connecting block array 403 on the right side of the base plate 1 and the rotation central shaft of the winding roller 4012, so that the right pulling rope 502 needs to be wound around the connecting tooth post 4024 on the right side of the supporting plate 4023 for changing the trend of the right pulling rope The connecting tooth columns 4024 on the right side of the supporting plate 4023 are arranged above the connecting block array 403 on the right side of the base plate 1, so that the rope body part of the right traction rope 502 tensioned between the connecting tooth columns 4024 on the right side of the supporting plate 4023 and the connecting block array 403 on the right side of the base plate 1 is in a vertical structure, and along with the tensioning of the right traction rope 502, the right traction rope 502 in the vertical structure provides a pulling force along the trend of the right traction rope 502, namely a vertically upward pulling force for the connecting block array 403 on the right side of the base plate 1, so that the right side of the base plate 1 is lifted upwards along with the tensioning of the; when needs descend bottom plate 1 right side, control lift motor 4013 drives winding roller 4012 and reverses the right haulage rope 502 that makes the tension and obtain the release and become lax to pulling force on the right haulage rope 502 disappears, then 1 right side of bottom plate does not receive ascending pulling force and move down under the effect of gravity, realizes the descending operation to bottom plate 1 right side.
Since the left pulling rope 501 and the right pulling rope 502 are both passed around the connecting tooth post 4024 on the right side of the supporting plate 4023, and the rope portions of the left pulling rope 501 and the right pulling rope 502 between the connecting tooth post 4024 on the right side of the supporting plate 4023 and the rotation center axis of the winding roller 4012 have the same shape, the left pulling rope 501 and the right pulling rope 502 have the same tightening or releasing state following the rotation direction of the winding roller 4012, and further, the rope portion of the left pulling rope 501 between the coupler block array 403 on the left side of the base plate 1 and the connecting tooth post 4024 on the left side of the supporting plate 4023 and the rope portion of the right pulling rope 502 between the coupler block array 403 on the right side of the base plate 1 and the connecting tooth post 4024 on the right side of the supporting plate 4023 are in parallel relation, it can be ensured that the left side of the base plate 1 and the right side of the base plate 1 have the same lifting or lowering movement driven by, and the lifting amplitude and the descending amplitude on the left side of the bottom plate 1 and the right side of the bottom plate 1 are kept consistent, so that the stable state can be maintained in the lifting process of the bottom plate 1, the left traction rope 501 and the right traction rope 502 are prevented from tightening and releasing, and the bottom plate 1 is not synchronously lifted and rocked left and right, and therefore the transformer body in the accommodating cavity 3 is damaged due to collision during the rocking.
As shown in fig. 2, further, the connection block array 403 is a linear arrangement structure formed by a plurality of connection blocks, the length of the linear arrangement structure is the same as the distance between the front end and the rear end of the bottom plate 1, therefore, the left traction rope 501 and the right traction rope 502 are connected with the plurality of connection blocks in a dispersed manner to maintain the front side and the rear side of the bottom plate 1 in a synchronous lifting motion state, so as to avoid the front end and the rear end from tilting, maintain the front and rear stability of the bottom plate 1 in the moving process, combine the left traction rope 501 and the right traction rope 502 to control the lifting process of the bottom plate 1, thereby realizing the plane stability of the lifting moving process of the bottom plate 1, make the lifting stability higher, and ensure that the bottom plate 1 stays on a certain plane when the lifting stops, make the transformer body normally work on a plane flush with the ground, and.
The bottom plate 1 is a square cavity with an opening at the top, the cover plate 2 is a pointed structure consisting of two inclined baffle plates, the cross sectional area of the lower surface of the pointed structure is larger than the cross sectional area of the opening of the square cavity, the opening of the square cavity is provided with a convex connecting strip 101, the lower surface of the pointed structure is provided with a connecting groove 201 matched with the connecting strip 101, the connecting strip 101 and the connecting groove 201 are connected or separated under the action of external force, the cover plate 2 and the bottom plate 1 are in a connected state under the combination condition of the connecting strip 101 and the connecting groove 201, the cover plate 2 and the bottom plate 1 in the connected state form an accommodating cavity 3 for accommodating a transformer, so that the accommodating cavity 3 and the bottom plate 1 have the same motion state, and then the accommodating cavity 3 follows the lifting traction rope 5 to do synchronous lifting motion because the bottom plate 1 follows the lifting traction rope 5 to do synchronous lifting motion, and then the transformer body accommodated in the accommodating cavity 3 follows the, since the hoisting range of the hoisting traction rope 5 is from the ground where the utility pole is located to the top of the utility pole, the hoisting range of the transformer body is from the ground where the utility pole is located to the top of the utility pole.
As shown in fig. 4, the outer surfaces of two inclined baffles in the cover plate 2 are both provided with a convex edge 202, the inner side of the convex edge 202 is provided with a vent hole 203 communicated with the external air, wherein the inclined direction of the convex edge 202 is the same as the inclined direction of the inclined baffles and is downward inclined, rainwater drops dropping on the cover plate 2 all slide down along the inclined direction, because the cross-sectional plane area of the lower surface of the pointed structure formed by the waterproof cover plate 2 is larger than the cross-sectional area of the opening of the square cavity formed by the bottom plate 1, it can be ensured that water drops dropping from the waterproof cover plate 2 directly drop to the ground without entering the square cavity of the bottom plate 1, the transformer in the accommodating cavity 3 is protected from water, and the vent hole 203 at the convex edge 202 is used for dissipating heat in the working process of the transformer into the external air, thereby preventing the heat in the accommodating cavity 3 from being easily evacuated to cause, because the vent is in the below of protruding edge 202, by protruding edge 202 cover lead to the water droplet can't follow protruding edge 202 and carry out holding chamber 3 in, compromise the heat dissipation when waterproof, can guarantee that the transformer keeps normal operating condition in holding chamber 3, consequently can directly place the transformer body in holding chamber 3 and directly promote holding chamber 3 to the wire pole eminence and realize the eminence support to the transformer body.
The surface of the cover plate 2 part and the surface of the bottom plate 1 part which form the containing cavity 3 are respectively provided with a buffering spring strip 6, the buffering spring strips 6 are combined to form a space structure with the same shape as the containing cavity 3, the transformer is placed into the containing cavity 3 formed by the bottom plate 1 and the cover plate 2 and is contacted with the buffering spring strips 6, the space formed by the buffering spring strips 6 is the same as the containing cavity 3, then the buffering spring strips 6 are contacted with each side edge of the transformer body, the transformer body is clamped in the space structure formed by the buffering spring strips 6 by utilizing the elastic deformation of the transformer body, and the buffering spring strips 6 can move and buffer between the transformer and the containing cavity 3 in the process that the transformer follows the lifting traction rope 5 to lift, so that the physical damage of the transformer caused by collision with the containing cavity 3 in the moving process of the transformer is avoided.
As shown in fig. 2 and 3, a baffle cover 7 is disposed outside the connecting tooth post 4024, the baffle cover 7 includes an annular flat plate 701 connected to the cross-sectional plane of the connecting tooth post 4024, and a semi-circular arc plate 702 disposed between the annular flat plate 701 and the support plate 4023, the semi-circular arc plate 702 matches with the semi-circular arc of the cross-sectional plane of the connecting tooth post 4024, wherein the hoisting traction rope 5 is located between the baffle cover 7 and the connecting tooth post 4024, the annular baffle prevents the hoisting traction rope 5 from swinging back and forth during tightening or releasing to disengage from the connecting tooth post 4024, and the semi-circular arc baffle prevents the hoisting traction rope 5 from swinging left and right during tightening or releasing to disengage from the connecting tooth post 4024.
As shown in fig. 5, based on the structure of the supporting device, the present invention provides a lifting installation method for a transformer supporting device, which specifically includes the following steps:
s100, separating a connecting strip on the cover plate from a connecting groove on the bottom plate by holding the cover plate through external force, then placing a transformer body into the accommodating cavity, clamping the transformer body in a space structure formed by the buffer spring strips, and then embedding the connecting strip on the cover plate into the connecting groove on the bottom plate to combine the connecting strip on the cover plate and the connecting groove together to form a closed unified structure between the cover plate and the bottom plate;
s200, controlling a lifting motor to rotate to drive a rotating central shaft of a winding roller to rotate so as to tighten a lifting traction rope, so as to lift a connecting block array connected with the lifting traction rope upwards, further enabling an accommodating cavity in a synchronous motion state with the connecting block array to do ascending motion, lifting a transformer body to a certain height of a telegraph pole, stopping the lifting motor to enable the lifting traction rope connected with the rotating central shaft on the winding roller to maintain the current length unchanged, and keeping the accommodating cavity to stay at the current height for supporting the transformer body inside to normally work;
s300, when meetting unexpected condition, start the rotation center axle that promotes the motor and make on the winding roller and drive the promotion haulage rope and continue to tighten up to continue to promote transformer mounting height, perhaps when maintaining the change to the transformer, start the rotation center axle that promotes the motor and make on the winding roller and drive the promotion haulage rope and continue the release, thereby drive the holding chamber and descend subaerially, thereby maintain the change to the transformer body that is in subaerial.
The invention is used for lifting and installing the transformer on a telegraph pole by arranging the lifting mechanism, firstly controlling the lifting motor to drive the winding roller to rotate and release the lifting traction rope wound on the rotating central shaft in the installation process, thereby driving the bottom plate connected with the other end of the lifting traction rope to descend to the lowest ground of the telegraph pole, then placing the transformer body into the accommodating cavity consisting of the bottom plate and the cover plate to enable the transformer and the bottom plate to have a consistent lifting motion state, further enabling the lifting traction rope to be continuously wound and tightened on the rotating central shaft of the winding roller by driving the winding roller to rotate by the lifting motor, driving the bottom plate to continuously move upwards along with the tightening of the lifting traction rope, therefore, the transformer body in the accommodating cavity rises to a certain height away from the ground, stopping the lifting motor to enable the lifting traction rope on the winding roller to maintain the current length, and enabling the accommodating cavity, thereby maintaining the current height of the transformer as the installation height of the transformer, and then continuously increasing the height of the transformer along with the rise of the water level or other special conditions, the installation height of the transformer can be controlled by changing the length of the lifting traction rope, the installation height of the transformer is not limited any more, the flexibility is strong, the transformer can adapt to various unexpected conditions, the transformer body is only placed in the containing cavity at the lower part in the installation process, the transformer body is directly lifted to the high position of the telegraph pole through the lifting mechanism, the high-position installation is completed, the complex process that the transformer body is moved to the lifting device from the ground, then lifted to the installation position by the lifting device, finally moved out of the lifting device and then installed on the installation position of the telegraph pole is avoided, and can descend transformer position to the low department through hoist mechanism to subsequent maintenance, avoid personnel to climb, have the advantage that maneuverability is strong and the security is high.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. A supporting device for a transformer is characterized in that: the transformer comprises a bottom plate (1), wherein a cover plate (2) matched with the bottom plate (1) in shape is arranged above the bottom plate (1), the cover plate (2) and the bottom plate (1) are combined to form an accommodating cavity (3) consistent with the shape of a transformer body, a lifting mechanism (4) is arranged outside the bottom plate (1), and the lifting mechanism (4) is used for quickly lifting and installing the transformer body at the high position of a telegraph pole for installing the transformer and descending the transformer body from the high position of the telegraph pole to the ground under the condition of subsequent maintenance and replacement of the transformer;
the lifting mechanism (4) comprises a lifting device (401) for mounting the transformer body on the telegraph pole, a supporting mechanism (402) for mounting the transformer on the telegraph pole, and two rows of connecting block arrays (403) which are arranged on two sides outside the base plate (1) and are respectively connected with the lifting device (401), the supporting mechanism (402) comprises a first hoop (4021) and a second hoop (4022) which are respectively arranged on two ends of the telegraph pole and have the same cross-sectional area with the telegraph pole, the first hoop (4021), the second hoop (4022) and the central axis of the telegraph pole are coincident, the first hoop (4021) is positioned above the second hoop (4022), a supporting plate (4023) is arranged between the first hoop (4021) and the second hoop (4022), two connecting tooth posts (4024) are arranged on two sides of the surface of the supporting plate (4023) which is level with the first hoop (4021), the distance between the two connecting tooth posts (4024) and the distance between the two rows of the connecting block arrays (403) The separation is the same.
2. The supporting device for a transformer according to claim 1, wherein: lifting device (401) is provided with wire winding roller (4012) including fixing at subaerial drive support (4011) between the upper end of drive support (4011), be fixed with on the front end face of drive support (4011) and promote motor (4013), the rotatory center pin of wire winding roller (4012) is connected with the output shaft transmission who promotes motor (4013).
3. The supporting device for a transformer according to claim 2, wherein: be provided with two promotion haulage rope (5) respectively between wire winding roller (4012) and two rows of connecting block array (403), two promotion haulage rope (5) are for being located left haulage rope (501) of bottom plate (1) and right haulage rope (502) that are located bottom plate (1) right side respectively, the one end dispersion of left haulage rope (501) is connected for a plurality of parts and a plurality of connecting block one-to-one that are located in connecting block array (403) of bottom plate (1), and the other end is walked around in proper order and is located connecting tooth post (4024) and connecting tooth post (4024) winding on the backup pad (4023) right side on the center of rotation axle of wire winding roller (4012), the one end dispersion of right haulage rope (502) is connected for a plurality of parts and a plurality of connecting block array (403) that are located bottom plate (1) right side one-to-one, and the other end is walked around connecting tooth post (4024) winding that are located backup pad (402 The above.
4. The supporting device for a transformer according to claim 3, wherein: the rope body parts of the left traction rope (501) and the right traction rope (502) between the connecting tooth post (4024) on the right side of the supporting plate (4023) and the rotating central shaft of the winding roller (4012) have the same shape, and the rope body part of the left traction rope (501) between the connecting block array (403) on the left side of the bottom plate (1) and the connecting tooth post (4024) on the left side of the supporting plate (4023) is in parallel relation with the rope body part of the right traction rope (502) between the connecting block array (403) on the right side of the bottom plate (1) and the connecting tooth post (4024) on the right side of the supporting plate (4023).
5. The supporting device for a transformer according to claim 4, wherein: the connecting block array (403) is of a linear arrangement structure formed by a plurality of connecting blocks, and the length of the linear arrangement structure is the same as the distance between the front end and the rear end of the bottom plate (1).
6. The supporting device for a transformer according to claim 1, wherein: the bottom plate (1) is open-topped square cavity, apron (2) the spire structure of compriseing two slope baffles, the transversal plane area of lower surface of spire structure is greater than the cross-sectional area of square cavity opening part is provided with bellied connecting strip (101) the spire structure lower surface is provided with and connects strip (101) assorted connecting groove (201), connecting strip (101) and connecting groove (201) are connected or are separated under the effect of external force.
7. The supporting device for a transformer according to claim 6, wherein: the outer surfaces of two inclined baffles in the cover plate (2) are provided with convex edges (202), and the inner sides of the convex edges (202) are provided with ventilation holes (203) communicated with external air.
8. The supporting device for a transformer according to claim 6, wherein: buffer spring strips (6) are arranged on the surface of the cover plate (2) part and the surface of the bottom plate (1) part which form the accommodating cavity (3), and space structures with the same shape as the accommodating cavity (3) are formed between the buffer spring strips (6).
9. The supporting device for a transformer according to claim 4, wherein: the outer portion of connecting tooth post (4024) is provided with baffle cover (7), baffle cover (7) include with connect annular flat board (701) that tooth post (4024) cross section is connected to and set up semicircle arc (702) between annular flat board (701) and backup pad (4023), semicircle arc (702) and the semicircle radian phase-match of the cross section of connecting tooth post (4024).
10. A lifting installation method for the supporting device for the transformer as claimed in any one of claims 1 to 9, characterized by comprising the following steps:
s100, separating a connecting strip on the cover plate from a connecting groove on the bottom plate by holding the cover plate through external force, then placing a transformer body into the accommodating cavity, clamping the transformer body in a space structure formed by the buffer spring strips, and then embedding the connecting strip on the cover plate into the connecting groove on the bottom plate to combine the connecting strip on the cover plate and the connecting groove together to form a closed unified structure between the cover plate and the bottom plate;
s200, controlling a lifting motor to rotate to drive a rotating central shaft of a winding roller to rotate so as to tighten a lifting traction rope, so as to lift a connecting block array connected with the lifting traction rope upwards, further enabling an accommodating cavity in a synchronous motion state with the connecting block array to do ascending motion, lifting a transformer body to a certain height of a telegraph pole, stopping the lifting motor to enable the lifting traction rope connected with the rotating central shaft on the winding roller to maintain the current length unchanged, and keeping the accommodating cavity to stay at the current height for supporting the transformer body inside to normally work;
s300, when meetting unexpected condition, start the rotation center axle that promotes the motor and make on the winding roller and drive the promotion haulage rope and continue to tighten up to continue to promote transformer mounting height, perhaps when maintaining the change to the transformer, start the rotation center axle that promotes the motor and make on the winding roller and drive the promotion haulage rope and continue the release, thereby drive the holding chamber and descend subaerially, thereby maintain the change to the transformer body that is in subaerial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011215364.3A CN112382464A (en) | 2020-11-04 | 2020-11-04 | Supporting device for transformer and lifting installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011215364.3A CN112382464A (en) | 2020-11-04 | 2020-11-04 | Supporting device for transformer and lifting installation method |
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| CN112382464A true CN112382464A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011215364.3A Pending CN112382464A (en) | 2020-11-04 | 2020-11-04 | Supporting device for transformer and lifting installation method |
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| CN113571321A (en) * | 2021-09-26 | 2021-10-29 | 徐州强森电气有限公司 | Quick-connection protection device for transformer installation |
| CN113896131A (en) * | 2021-10-15 | 2022-01-07 | 广东海洋大学 | Small-size transformer installation pylon for electrical engineering with lift control structure |
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