CN113764157B - Transformer sectional pushing type installation and positioning platform and installation and positioning construction method - Google Patents
Transformer sectional pushing type installation and positioning platform and installation and positioning construction method Download PDFInfo
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- CN113764157B CN113764157B CN202111072709.9A CN202111072709A CN113764157B CN 113764157 B CN113764157 B CN 113764157B CN 202111072709 A CN202111072709 A CN 202111072709A CN 113764157 B CN113764157 B CN 113764157B
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- 238000009434 installation Methods 0.000 title claims abstract description 38
- 238000010276 construction Methods 0.000 title abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 116
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 21
- 238000011084 recovery Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims 1
- 230000032258 transport Effects 0.000 description 19
- 230000008569 process Effects 0.000 description 12
- 238000005457 optimization Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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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Abstract
The invention discloses a sectional pushing type installation and positioning platform of a transformer and an installation and positioning construction method, which comprise a supporting mechanism, wherein the supporting mechanism is horizontally arranged in a transmission area and extends to the position right above a base, and the height of the supporting mechanism is matched with the height of transportation equipment; the sliding rail mechanism is arranged on the conveying equipment and the supporting mechanism and is used as a displacement carrier of the transformer to be assembled, and the width of the sliding rail mechanism is matched with the width of the supporting mechanism; the horizontal pushing mechanism is detachably arranged on the sliding rail mechanism and is used for circularly providing forward pushing force of the transformer to be assembled so as to drive the transformer to be assembled to move forward from the outside of the transmission area to the right above the base along the sliding rail mechanism; the deviation correcting mechanism is arranged between the sliding rail mechanism and the transformer to be assembled and is used for limiting the displacement of the transformer to be assembled only in the direction of the sliding rail mechanism; the vertical pushing mechanism is arranged in the base and is used for supporting the transformer to be assembled to fall into the base when the transformer to be assembled moves forward to the position right above the base. The invention has the advantages of simple structure, convenient operation, safety and reliability and construction cost saving.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a transformer sectional pushing type installation and positioning platform and an installation and positioning construction method.
Background
At present, in the installation process of industrial factory building equipment such as transformers, accurate installation cannot be performed due to heavy and expensive body types and narrow operation space, and the existing installation method comprises the following steps:
The special crane is adopted for hoisting, but because space is limited, the crane cannot be used for accurately calibrating, and the space for installing is often positioned between two electric poles, so that the space is narrower, the traction condition is avoided, in addition, the special hoisting cost of small equipment is higher, and the paying cost is higher.
One proposal is to use a forklift for construction, but the forklift is more limited by terrain and is extremely easy to damage the tank edge of the transformer.
The scheme is that after the transformer is unloaded, the transformer is placed on a transformer base guide rail, a corresponding guide chain is selected according to the weight of the transformer, two ends of a steel wire rope are used for fastening traction holes on two sides of the transformer base, one end of the guide chain is hung in the center of the steel wire rope, the other end of the guide chain is fixed on a wall with the same height, and the transformer is manually pulled to be in place through a chain block and is installed. The construction method has the advantages that the labor intensity of constructors is high, the efficiency is low, the installation and maintenance are extremely inconvenient, the friction between the bottom of the transformer and the base is large, equipment is easy to damage, the positioning reliability is low, and the positioning can be performed only by repeatedly advancing and retreating and pulling; in addition, the problems that the transformer cannot move at a constant speed and the center of the transformer deviates from the center of the track in the advancing process are caused by the restriction of the position of the chain pivot point in the chain pouring process, and the safety accident is easy to occur.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a transformer sectional pushing type installation and positioning platform which is simple in structure, low in cost, safe and reliable, and simultaneously provides a construction method for sectional pushing type installation and positioning of the transformer, which is time-saving, labor-saving, convenient, simple and high in universality.
The invention adopts the following technical scheme: the transformer sectional pushing type installation positioning platform is installed in a preset transmission area and comprises a supporting mechanism which is horizontally arranged in the transmission area and extends to the position right above a base, and the height of the supporting mechanism is matched with the height of the transportation equipment; the sliding rail mechanism is arranged on the conveying equipment and the supporting mechanism and is used as a carrier for displacement of the transformer to be assembled, and the width of the sliding rail mechanism is matched with the width of the supporting mechanism; the horizontal pushing mechanism is detachably arranged on the sliding rail mechanism and is used for circularly providing forward pushing force of the transformer to be assembled so as to drive the transformer to be assembled to move forward to the position right above the base along the sliding rail mechanism from the outside of the transmission area; the deviation correcting mechanism is arranged between the sliding rail mechanism and the transformer to be assembled and is used for limiting the transformer to be assembled to displace only in the direction of the sliding rail mechanism; the vertical pushing mechanism is arranged in the base and is used for supporting the transformer to be assembled to fall into the base when the transformer to be assembled moves forward to the position right above the base.
As an optimization scheme, the supporting mechanism comprises two rows of upright post groups which are arranged in parallel, each row of upright post groups comprises a plurality of upright posts which are vertically arranged and distributed at intervals, the top heights of the upright posts are matched with the height of the conveying equipment, the row spacing between the two rows of upright post groups is matched with the axial width of the bottom surface of the transformer, and the tops of the two rows of upright post groups are detachably connected with the sliding rail mechanism.
As an optimization scheme, the sliding rail mechanism comprises a first movable guide rail and a second movable guide rail which are detachably connected, the first movable guide rail and the second movable guide rail are alternately shifted and translated along the supporting mechanism under the drive of external force to form a track for the forward movement of the transformer to be assembled, in an initial state, the first movable guide rail is arranged on the conveying equipment, and the second movable guide rail is arranged at one end, far away from the base, of the supporting mechanism; the first movable guide rail and the second movable guide rail respectively comprise monorails which are arranged on two sides and are in sliding connection with the correcting mechanism, and a plurality of fixing supports which are arranged between the monorails on the two sides, the horizontal pushing mechanism is detachably connected to the fixing supports, limiting grooves which are clamped with the correcting mechanism are formed in the inner sides of the monorails on the two sides, the bottoms of the limiting grooves extend inwards to form sliding ways of the correcting mechanism, and positioning holes for connecting the stand columns are formed in the bottoms of the limiting grooves.
As an optimization scheme, the first movable guide rail is connected with the second movable guide rail through bolts, and connecting holes are formed in two ends of two side walls of the first movable guide rail and two ends of two side walls of the second movable guide rail.
As an optimization scheme, the first movable guide rail is in sliding connection with the second movable guide rail, the first movable guide rail is installed on the inner side of the second movable guide rail, and the outer walls of the monorails on the two sides of the first movable guide rail are mutually attached to the inner walls of the monorails on the two sides of the second movable guide rail.
As an optimization scheme, four groups of fixed pulleys are arranged at the top of the monorail at two sides of the first movable guide rail.
As an optimization scheme, the horizontal pushing mechanism is a horizontal jack arranged on the outer side of the transformer to be assembled, the horizontal jack is detachably connected to the fixed support, in an initial state, a piston rod of the horizontal jack is kept in a contracted state, the end part of the piston rod is abutted to the middle lower part of the transformer to be assembled, the sum of the maximum length of the horizontal jack and the length of the transformer to be assembled in the forward moving direction does not exceed the sum of the lengths of the first movable guide rail and the second movable guide rail, and a buffer cushion is arranged at the end part of the piston rod of the horizontal jack.
As an optimization scheme, the deviation rectifying mechanism comprises four groups of roller devices arranged at four corners of the bottom of the transformer to be assembled, wherein the four groups of roller devices are provided with a bearing plate for bearing the transformer to be assembled, a limiting plate vertically arranged on one side of the bearing plate, a central shaft arranged at the middle part of the bottom of the bearing plate, a pair of rollers and roller baffles arranged on two sides of the central shaft, and a supporting plate vertically arranged at the front end of the bearing plate, a gap is reserved between the limiting plate and the supporting plate, and the gap is used for being clamped between the limiting plate and a limiting groove.
As an optimization scheme, the vertical pushing mechanism is a vertical jack positioned at the center of the base, at least two groups of vertical jacks are arranged, and the maximum travel distance of a piston rod of the vertical jack is larger than the height of the upright post.
The invention also provides a construction method for sectionally pushing type installation and positioning of the transformer, which comprises the following steps:
S1, assembling a transformer mounting and positioning platform;
Determining a transmission area range line according to a design drawing and the size of a transformer to be assembled, paying out a plane position line of two parallel column groups, and determining the height of the column according to the height of a carriage of the transportation equipment;
Two parallel column groups are arranged according to the plane position line of the supporting mechanism;
Paving a first movable guide rail in a carriage of the transport equipment, and paving the second movable guide rail on two rows of upright post groups;
s2, the transformer to be installed is moved into an installation positioning platform;
Installing four groups of roller devices between the first movable guide rails according to the bottom size of the transformer to be installed, hoisting the transformer to be installed onto the first movable guide rails, and clamping and connecting the four groups of roller devices;
the transport equipment carries the transformer to be assembled to a transmission area, and the first movable guide rail and the second movable guide rail are connected together;
The method comprises the steps that a horizontal jack is installed on a first movable guide rail, a transformer to be installed is located on the outer side of the horizontal jack and is abutted to the end portion of the horizontal jack, and when in an initial state, a piston rod of the horizontal jack is in a contracted state;
S3: advancing a transformer to be assembled;
Starting a horizontal jack to push a transformer to be assembled to move forwards by a set distance;
After the pushing stroke is completed, the state of each part is rapidly checked, and the position of the transformer to be installed is ensured to have no offset and potential overturning hazards;
after confirming that the error is avoided, determining whether the first movable guide rail and the front and back positions of the first movable guide rail are alternated or not according to the set distance;
the horizontal jack is removed and reinstalled on the sliding rail mechanism, the piston rod of the horizontal jack is in a recovery state, and the end part of the piston rod of the horizontal jack is kept to be abutted with the outer side of the transformer to be installed;
S4: repeating S3 until the transformer is pushed to slide to the position right above the vertical jack;
s5: lowering the transformer to be installed into position;
Starting at least two groups of vertical jacks to enable piston rods of the vertical jacks to jack up the transformer to be assembled;
and removing the horizontal jack, the two rows of upright post groups, the first movable guide rail and the second movable guide rail, recovering the piston rod of the vertical jack, placing the transformer to be installed in the base, and removing the vertical jack.
Compared with the prior art, the invention has the advantages that:
According to the sectional pushing type transformer installation and positioning platform, the horizontal pushing mechanism is arranged to transversely push the transformer to enable the transformer to be positioned, a manual dragging mode in a traditional method is abandoned, a good construction condition is created for constructors, site construction is facilitated, and working efficiency and engineering quality are greatly improved;
The movable sliding rail structure adopts a detachable sectional combined structure, a long sliding rail is not required, when the sliding rail structure of a construction site is not long enough, the front sliding rail can be directly moved to the rear end to continuously push the transformer, so that materials are saved, and cost expenditure is reduced;
According to the invention, the deviation correcting mechanism is arranged to prevent non-directional displacement in the pushing process, so that the risk of deviation of the center of the transformer from the center of the track in the running process is greatly reduced, and the possibility of overturning of the transformer is reduced, so that the transformer is safer and more reliable;
The invention has the advantages of simple structure, convenient assembly, convenient material acquisition of each component, direct use of idle materials on a construction site, low cost, convenience for popularization and use.
The sectional pushing type installation and positioning construction method of the transformer adopts a mode of forward moving the sectional pushing type transformer, is simple and convenient, saves time and labor, can reduce the investment of personnel and equipment, and reduces the construction cost of installation and positioning in a narrow space of the transformer;
The sectional pushing type installation and positioning construction method for the transformer provided by the invention has strong universality and can be suitable for moving and positioning of transformers of various models and sizes.
Drawings
FIG. 1 is a schematic diagram of a transformer sectional pushing type installation in-place platform;
FIG. 2 is a schematic diagram of the connection relationship between a first movable rail and a second movable rail according to the present invention;
FIG. 3 is a schematic view showing another connection relationship between a first movable rail and a second movable rail according to the present invention;
FIG. 4 is a schematic view of a first movable rail according to the present invention;
FIG. 5 is a schematic view of a roller device according to the present invention;
FIG. 6 is a flow chart of the method for constructing the sectional pushing type installation in place of the transformer of the invention;
The device comprises a 1-transmission area, a 2-base, 3-conveying equipment, a 4-upright post, a 5-first movable guide rail, a 6-second movable guide rail, a 51, a 61-monorail, a 52, a 62-fixed support, a 53, a 63-limit groove, a 54, a 64-slideway, a 55, a 65-connecting hole, a 56, a 66-positioning hole, a 57-fixed pulley, a 7-horizontal jack, an 8-roller device, a 81-bearing plate, a 82-limit plate, a 83-middle shaft, a 84-roller, a 85-roller baffle, a 86-supporting plate, a 9-vertical jack, a 10-buffer cushion and a 11-transformer to be assembled.
Detailed Description
In the following, in order to facilitate the understanding of the technical solutions of the present invention by a person skilled in the art, reference will be made to the accompanying drawings for further description. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention.
In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
As shown in fig. 1, the schematic diagram of a sectional pushing type installation and positioning platform for a transformer is shown, the sectional pushing type installation and positioning platform is installed in a predetermined transmission area 1, generally in the actual construction process, the transmission area 1 is arranged at a position about 50 meters away from a transformer base, the installation and positioning platform comprises a supporting mechanism, a sliding rail mechanism, a horizontal pushing mechanism, a correcting mechanism and a vertical pushing mechanism, wherein the supporting mechanism is horizontally arranged in the transmission area 1 and extends to the position right above a base 2, the height of the supporting mechanism is matched with the height of a conveying device 3, the sliding rail mechanism is arranged on the conveying device 3 and the supporting mechanism, the width of the supporting mechanism is matched with the width of the transformer 11 to be installed as a carrier for displacement of the transformer 11 to be installed, the horizontal pushing mechanism is detachably arranged on the sliding rail mechanism, the horizontal pushing mechanism is used for circularly providing forward pushing force for driving the transformer 11 to be installed from the outside of the transmission area 1 to the position right above the base 2, the correcting mechanism is arranged between the sliding rail mechanism and the transformer 11 to be installed, the correcting mechanism is used for limiting the displacement of the transformer 11 to be installed to the base 2 to the position right above the vertical pushing mechanism to be installed on the base 2, and the vertical pushing mechanism is used for limiting the displacement of the transformer 11 to be installed to the whole in the position to the base 2 to be installed right above the base 2.
Wherein, supporting mechanism includes two rows of parallel column groups of arranging, includes many vertical stands 4 of placing and interval distribution in every row column group, and its top all keeps unanimous with the height of transportation equipment 3 after establishing in the transmission area of every stand 4, and in this embodiment, transportation equipment 3 is the transport vechicle, and the height of stand 4 is to ensure unanimously, can smooth transition when guaranteeing to wait to adorn transformer 11 by the transport vechicle to transfer to mounting platform, reduces the emergence of jolting and the condition of toppling. The row spacing between the two rows of upright post groups is matched with the axial width of the bottom surface of the transformer 11 to be assembled, and the tops of the two rows of upright post groups are detachably connected with the sliding rail mechanism.
Embodiment one:
As shown in fig. 1-2, the sliding rail mechanism comprises a first movable guide rail 5 which is parallel laid on a carriage of the transport vehicle 3 and a second movable guide rail 6 which is parallel laid on the supporting mechanism, the first movable guide rail 5 is arranged on the transport vehicle 3, so that the transformer 11 to be assembled is convenient to move from the transport vehicle to the installation and positioning platform, the frequency of using hoisting equipment is reduced as much as possible, the probability of using manual transportation is reduced, the first movable guide rail 5 and the second movable guide rail 6 are detachably connected, the first movable guide rail 5 and the second movable guide rail 6 both comprise a single rail 51, a single rail 61 which are arranged at two sides and are in sliding connection with the deviation correcting mechanism, and a plurality of fixed supports 52 and fixed supports 62 which are arranged between the single rails at two sides, and the fixed supports 52 and 62 are used for fixedly connecting the single rails at two sides 51 and 61 and also play a role of strengthening rails. The horizontal pushing mechanism is detachably connected to the fixed supports 52 and 62, limiting grooves 53 and 63 which are clamped with the deviation correcting mechanism are formed in the inner sides of the monorails 51 and 61 on the two sides, and the bottom edges of the limiting grooves 53 and 63 extend inwards to form sliding ways 54 and 64 for the deviation correcting mechanism to slide.
In this embodiment, the first movable rail 5 and the second movable rail 6 are fixedly connected by adopting a bolt connection manner, two ends of two side walls of the first movable rail 5 and the second movable rail 6 are respectively provided with a connecting hole 55 and a connecting hole 65, when the transport vehicle transports the transformer 11 to be assembled to the transmission area 1, an operator uses bolts and matched connecting plates to fixedly connect the tail end of the first movable rail 5 and the first section of the second movable rail 6 through the connecting holes 55 and the connecting holes 65, a horizontal pushing device is used for pushing the transformer 11 to be assembled, when the transformer 11 to be assembled is moved out of the transport vehicle, the bolts can be removed, the first movable rail 5 is detached from the transport vehicle, and the first movable rail 5 is connected to the tail end of the second movable rail 6 along the supporting mechanism, so that the two alternate positions are exchanged. Meanwhile, the horizontal pushing device is continuously used for pushing the transformer 11 to be assembled for a set distance, after the primary pushing is finished, an operator determines whether the front-back position relation of the second movable guide rail 6 and the first movable guide rail 5 needs to be alternated according to the set distance, so that the first movable guide rail 5 and the second movable guide rail 6 can be alternately shifted and translated along the supporting mechanism, a track for the forward movement of the transformer 11 to be assembled is formed, and the transformer 11 to be assembled is ensured to be moved to be right above the base for in-place installation.
Embodiment two:
As shown in fig. 1 to 3, the sliding rail mechanism comprises a first movable guide rail 5 which is parallel laid on a carriage of the transport vehicle 3 and a second movable guide rail 6 which is parallel laid on the supporting mechanism, the first movable guide rail 5 is arranged on the transport vehicle 3, so that the transformer 11 to be assembled is convenient to move from the transport vehicle to the installation and positioning platform, the number of times of using hoisting equipment is reduced as much as possible, the probability of using manual transportation is reduced, the first movable guide rail 5 and the second movable guide rail 6 are detachably connected, the first movable guide rail 5 and the second movable guide rail 6 both comprise a single rail 51, a single rail 61 which are arranged at two sides and are in sliding connection with the deviation correcting mechanism, and a plurality of fixed brackets 52 and fixed brackets 62 which are arranged between the single rails at two sides, and the fixed brackets 52 and 62 are used for fixedly connecting the single rails at two sides 51 and 61 and also play a role of strengthening rails. The horizontal pushing mechanism is detachably connected to the fixed supports 52 and 62, limiting grooves 53 and 63 which are clamped with the deviation correcting mechanism are formed in the inner sides of the monorails 51 and 61 on the two sides, and the bottom edges of the limiting grooves 53 and 63 extend inwards to form sliding ways 54 and 64 for the deviation correcting mechanism to slide.
In this embodiment, the first movable rail 5 and the second movable rail 6 are in a sliding connection mode, the first movable rail 5 is installed at the inner side of the second movable rail 6, the outer walls of the monorails 51 at two sides of the first movable rail 5 are mutually attached to the inner walls of the monorails 61 at two sides of the second movable rail 6, when the transport vehicle transports the transformer 11 to be assembled to the transmission area 1, an operator moves the first movable rail 5 to enable the monorails 51 at two sides of the first movable rail to be inserted into the monorails 61 at two sides of the second movable rail 6 to achieve fixed connection of the two, a horizontal pushing device is used for pushing the transformer 11 to be assembled, when the transformer 11 to be assembled is moved out of the transport vehicle, the first movable rail 5 is pulled out from the second movable rail 6 to the other side and fixed on a stand column of a supporting structure, and extends at the tail end of the second movable rail 6 to form a track for the forward movement of the transformer 11 to be assembled. When the horizontal pushing device is used for pushing the to-be-mounted transformer 11 for a set distance continuously, after the pushing is finished once, an operator determines whether the front and back positions of the second movable guide rail 6 and the first movable guide rail 5 need to be alternated according to the set distance, and the first movable guide rail 5 is pulled inside the second movable guide rail 6 to realize alternating transposition translation along the supporting mechanism, so that the aim of stretching the sliding rail mechanism in the horizontal direction is fulfilled, and the to-be-mounted transformer 11 is ensured to move to be right above the base to be mounted in place
Embodiment III:
In this embodiment, as shown in fig. 4, four groups of fixed pulleys 57 are installed on the top of the monorail 51 on two sides of the first movable rail 5, and the fixed pulleys 57 can roll on the inner walls of the monorail 61 on two sides of the second movable rail 6, so that the sliding friction between the first movable rail 5 and the second movable rail 6 is changed into rolling friction, the difficulty of an operator in stretching the sliding rail mechanism is reduced, and the stretching process is more convenient.
In the above three embodiments, as shown in fig. 1, the horizontal jack 7 may be a horizontal jack 7 disposed at the outer side of the transformer 10 to be assembled, the horizontal jack 7 may be detachably connected to a fixing support of the slide rail mechanism by a bolt connection or the like, in an initial state, a piston rod of the horizontal jack 7 is kept in a contracted state, an end of the piston rod abuts against the bottom of the transformer 11 to be assembled, after the horizontal jack 7 is started, the piston rod thereof pushes the transformer 11 to be assembled forward along the slide rail mechanism, after a pushing process is completed, the horizontal jack 7 is removed and reinstalled at the outer side of the transformer 11 to be assembled, and the pushing is circulated until the transformer 7 to be assembled is pushed and slipped directly above the vertical jack, so as to realize the segmented forward movement of the transformer 11 to be assembled. Of course, in order to ensure that the to-be-mounted transformer is not pushed out from the slide rail mechanism by the horizontal jack 7, the sum of the maximum length of the horizontal jack 7 and the length of the to-be-mounted transformer 11 in the forward moving direction is ensured not to exceed the sum of the lengths of the first movable guide rail 5 and the second movable guide rail 6, namely, when an operator sets the set distance for horizontally pushing the horizontal jack 7, the mutual distance between the to-be-mounted transformer and the slide rail mechanism is also required to be referred to, so that the situation that the to-be-mounted transformer exits from the track is avoided, and the potential safety hazard is reduced. As a more optimized implementation manner, the buffer pad 10 is arranged at the end part of the piston rod of the horizontal jack 7, so that rigid contact between the piston rod of the horizontal jack 7 and the bottom of the transformer 11 to be assembled can be reduced, and the outer wall of the transformer 11 to be assembled is prevented from being damaged.
In the above three embodiments, as shown in fig. 5, the deviation correcting mechanism includes four sets of roller devices 8 installed at four corners of the bottom of the transformer to be installed, the four sets of roller devices are provided with a bearing plate 81 for bearing the transformer to be installed, a limiting plate 82 is vertically disposed on the outer side of the bearing plate 81, a middle shaft 83 is disposed at the middle position of the bottom of the bearing plate 81, a pair of rollers 84 and roller baffles 85 are disposed on two sides of the middle shaft 83, a supporting plate 86 is vertically disposed at the front end of the bearing plate 81, the supporting plate 86 is used for fixedly supporting the periphery of the bottom of the transformer 11 to be installed, overturning is prevented in the pushing process, a gap is left between the limiting plate 82 and the supporting plate 86, when the roller devices 8 are installed, the side edges of the limiting grooves 53, 63 of the first movable guide rail or the second movable guide rail are clamped with the roller devices 8 along the gap between the limiting plate 82 and the supporting plate 86, non-directional displacement of the transformer 11 is prevented in the pushing process, the roller 84 is disposed in such a way that the connection relationship between the transformer 11 to be installed and the rails is changed from sliding friction into non-contact rolling connection, the transformer 11 is prevented from being damaged due to the base friction, and the installation of the transformer 11 is stable, and the situation of the transformer to be installed is prevented from shaking is ensured, and the situation is prevented from being in place.
In the three embodiments, the vertical pushing mechanism is a vertical jack 9 located at the center of the base, at least two groups of vertical jacks 9 are arranged, the maximum travel distance of piston rods of the vertical jacks 9 is larger than the height of the vertical jacks, when the to-be-assembled transformer 11 is pushed to slide to the position right above the vertical jacks, at least two groups of vertical jacks are started to enable the piston rods of the at least two groups of vertical jacks to jack the to-be-assembled transformer 11 in order to keep balance of the to-be-assembled transformer 11, the horizontal jack 7, the two rows of vertical jacks, the first movable guide rail 5 and the second movable guide rail 6 are removed, meanwhile, the piston rods of the vertical jacks 9 are recovered, the to-be-assembled transformer 11 is located in the base 2 along the piston rods of the vertical jacks 9, at this time, the vertical jacks 9 are removed, and the vertical jacks 9 are removed from gaps at two ends of the base 2.
The invention has simple structure, convenient assembly, convenient material obtaining of each component, direct use of idle materials of a construction site, low cost, convenient popularization and use, and the sectional pushing type installation and positioning platform of the transformer horizontally pushes the transformer by arranging the horizontal pushing mechanism so as to position the transformer, thereby discarding the manual dragging mode in the traditional method, creating a good construction condition for constructors, facilitating site construction and greatly improving the working efficiency and engineering quality;
The movable sliding rail structure adopts a detachable sectional combined structure, a long sliding rail is not required, when the sliding rail structure of a construction site is not long enough, the front sliding rail can be directly moved to the rear end to continuously push the transformer, so that materials are saved, and cost expenditure is reduced;
According to the invention, the deviation correcting mechanism is arranged to prevent non-directional displacement in the pushing process, so that the risk of deviation of the center of the transformer from the center of the track in the running process is greatly reduced, and the possibility of overturning of the transformer is reduced, so that the transformer is safer and more reliable;
In addition, the invention also provides an installation and positioning method adopting the transformer sectional pushing type installation and positioning platform, as shown in fig. 6, comprising the following steps:
The first step is that the transformer 11 to be installed is installed on a platform for installation in place: firstly, determining a range line of a transmission area 1 according to a design drawing and the size of a transformer to be assembled, paying out plane position lines of two parallel column groups, secondly, determining the height of a column 4 according to the height of a carriage of a transportation device, and installing the two parallel column groups according to the plane position lines of a supporting mechanism; finally, a first movable guide rail 5 is paved in a carriage of the transport vehicle 3, and a second movable guide rail 6 is paved on the two rows of upright post groups;
Secondly, the transformer to be installed is moved into an installation positioning platform: firstly, installing four groups of roller devices 8 between the first movable guide rails 5 according to the bottom size of a transformer 11 to be installed, hoisting the transformer 5to be installed onto the first movable guide rails 5, and clamping and connecting the four groups of roller devices 8; the transport vehicle 3 carries the transformer 11 to be mounted to the transmission area 1, the first movable guide rail 5 and the second movable guide rail 6 are connected together, the horizontal jack 7 is mounted on the first movable guide rail 5, the transformer 11 to be mounted is located on the outer side of the horizontal jack 7 and is abutted to the end portion of the horizontal jack 7, and in an initial state, a piston rod of the horizontal jack 7 is in a contracted state.
And a third step of: advancing the transformer to be assembled: firstly, a horizontal jack 7 is started to push a transformer 11 to be assembled to slide onto a second movable guide rail 6 along a first movable guide rail 5; after the pushing stroke is finished, the states of all parts are rapidly checked, the positions of the transformer 11 to be assembled and the second movable guide rail 6 are ensured to have no offset and overturning hidden trouble, the horizontal jack 7 is disassembled and mounted on the second movable guide rail 6 after the position is confirmed to be correct, the front and rear positions of the first movable guide rail and the second movable guide rail are alternately connected together again, at the moment, the first movable guide rail is connected with the tail end of the second movable guide rail and is fixedly connected to two rows of upright post groups, the piston rod of the horizontal jack 7 is in a recovery state, and the end part of the piston rod of the horizontal jack 7 is kept to be abutted against the transformer 11 to be assembled;
Starting the horizontal jack 7 again to push the transformer 11 to be assembled forwards along the second movable guide rail 6 for a set distance, rapidly checking the state of each part after the pushing stroke is completed, ensuring that the positions of the transformer 11 to be assembled and the second movable guide rail 6 are free from offset and overturning hidden danger, determining whether to alternate the front and rear positions of the second movable guide rail 6 and the first movable guide rail 5 according to the set distance, removing the horizontal jack 7 after confirming that the horizontal jack 7 is installed outside the transformer 11 again, keeping the piston rod of the horizontal jack 7 in a recovery state, and keeping the end part of the piston rod of the horizontal jack 7 to be abutted against the transformer 11 to be assembled;
Fourth step: repeatedly using the horizontal jack 7 to push the transformer 11 to be assembled along a sliding rail mechanism formed by the first movable guide rail 5 and the second movable guide rail 6 until the transformer 11 to be assembled is pushed to slide to the position right above the vertical jack 9, and completing the process that the transformer 11 to be assembled is pushed to slide to the position B from the position A in the figure as shown in figure 1;
Fifth step: the transformer to be assembled is lowered into position: firstly, at least two groups of vertical jacks 9 are started to enable piston rods of the vertical jacks to jack up a transformer 11 to be assembled; secondly, removing the horizontal jack 7, the two rows of upright post groups, the first movable guide rail 5 and the second movable guide rail 6, recovering the piston rod of the vertical jack 9, and finally, removing the vertical jack 9 from the side opening of the base 2 with the transformer 11 to be installed in place in the base 2.
By adopting the mode of forward moving the sectional pushing transformer, the method is simple, convenient, time-saving and labor-saving, can reduce the investment of personnel and equipment, and reduces the construction cost of installing and positioning the transformer in a narrow space; the sectional pushing type installation and positioning construction method for the transformer provided by the invention has strong universality and can be suitable for moving and positioning of transformers of various models and sizes.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a transformer segmentation push type installation platform of taking one's place installs in given transmission area, its characterized in that includes: the supporting mechanism is horizontally arranged in the transmission area and extends to the position right above the base, and the height of the supporting mechanism is matched with the height of the conveying equipment;
The sliding rail mechanism is arranged on the conveying equipment and the supporting mechanism in parallel and used as a carrier for the displacement of the transformer to be assembled, and the width of the sliding rail mechanism is matched with the width of the supporting mechanism;
The horizontal pushing mechanism is detachably arranged on the sliding rail mechanism and is used for circularly providing forward pushing force of the transformer to be assembled so as to drive the transformer to be assembled to move forward from the transportation equipment to the position right above the base;
the deviation correcting mechanism is arranged between the sliding rail mechanism and the transformer to be assembled and is used for limiting the transformer to be assembled to displace only in the direction of the sliding rail mechanism;
The vertical pushing mechanism is arranged in the base and is used for supporting the transformer to be assembled to fall into the base when the transformer to be assembled moves forward to the position right above the base;
Wherein,
The supporting mechanism comprises two parallel upright post groups, each upright post group comprises a plurality of upright posts which are vertically arranged and distributed at intervals, the top ends of the upright posts are matched with the height of the conveying equipment, the row spacing between the two upright post groups is matched with the axial width of the bottom surface of the transformer to be assembled, and the tops of the two upright post groups are detachably connected with the sliding rail mechanism;
The sliding rail mechanism comprises a first movable guide rail and a second movable guide rail which are detachably connected, and the first movable guide rail and the second movable guide rail are alternately transposed and translated along the supporting mechanism under the drive of external force to form a track for the forward movement of the transformer to be assembled; in an initial state, the first movable guide rail is arranged on the transportation equipment, and the second movable guide rail is arranged at one end of the supporting mechanism far away from the base; the first movable guide rail and the second movable guide rail comprise monorails which are arranged on two sides and are in sliding connection with the correction mechanism, and a plurality of fixed supports which are arranged between the monorails on two sides, the horizontal pushing mechanism is detachably connected to the fixed supports, limiting grooves which are clamped with the correction mechanism are formed in the inner sides of the monorails on two sides, the bottoms of the limiting grooves extend inwards to form sliding ways for sliding of the correction mechanism, and positioning holes for connecting the stand columns are formed in the bottoms of the limiting grooves;
The horizontal pushing mechanism is a horizontal jack arranged on the outer side of the transformer to be assembled, the horizontal jack is detachably connected to the fixed support, in an initial state, a piston rod of the horizontal jack is kept in a contracted state, the end part of the piston rod is abutted to the bottom of the transformer to be assembled, the sum of the maximum length of the horizontal jack and the length of the transformer to be assembled in the forward moving direction does not exceed the sum of the lengths of the first movable guide rail and the second movable guide rail, and a buffer cushion is arranged at the end part of the piston rod of the horizontal jack;
the deviation correcting mechanism comprises four groups of roller devices arranged at four corners of the bottom of the transformer to be assembled, wherein the four groups of roller devices are provided with a bearing plate for bearing the transformer to be assembled, a limiting plate vertically arranged on one side of the bearing plate, a central shaft arranged at the middle part of the bottom of the bearing plate, a pair of rollers and roller baffles arranged on two sides of the central shaft, and a supporting plate vertically arranged at the front end of the bearing plate, a gap is reserved between the limiting plate and the supporting plate, and the gap is used for being clamped between the limiting plate and the limiting groove.
2. The transformer segmented incremental launching mounting platform of claim 1, wherein: the first movable guide rail is connected with the second movable guide rail through bolts, and corresponding connecting holes are formed in two ends of two side walls of the first movable guide rail and two ends of two side walls of the second movable guide rail.
3. The transformer segmented incremental launching mounting platform of claim 2, wherein: the first movable guide rail is connected with the second movable guide rail in a sliding manner, the first movable guide rail can be installed on the inner side of the second movable guide rail, and after the first movable guide rail is installed, the outer walls of the monorails on the two sides of the first movable guide rail are mutually attached to the inner walls of the monorails on the two sides of the second movable guide rail.
4. The transformer segmented incremental launching mounting platform of claim 3, wherein: four groups of fixed pulleys are arranged at the top of the monorail at two sides of the first movable guide rail.
5. The transformer segmented incremental launching mounting platform of claim 4, wherein: the vertical pushing mechanism is a vertical jack positioned at the center of the base, at least two groups of vertical jacks are arranged, and the maximum travel distance of a piston rod of the vertical jack is greater than the height of the upright post.
6. A method for installing a transformer in place by adopting the transformer segmented pushing type installation in place platform as claimed in claim 5, which is characterized by comprising the following steps: s1, assembling a transformer mounting and positioning platform;
Determining a transmission area range line according to a design drawing and the size of a transformer to be assembled, paying out a plane position line of two parallel column groups, and determining the height of the column according to the height of a carriage of the transportation equipment;
Two parallel column groups are arranged according to the plane position line of the supporting mechanism;
Paving a first movable guide rail in a carriage of the transport equipment, and paving the second movable guide rail on two rows of upright post groups;
s2, the transformer to be installed is moved into an installation positioning platform;
Installing four groups of roller devices between the first movable guide rails according to the bottom size of the transformer to be installed, hoisting the transformer to be installed onto the first movable guide rails, and clamping and connecting the four groups of roller devices;
the transport equipment carries the transformer to be assembled to a transmission area, and the first movable guide rail and the second movable guide rail are connected together;
a horizontal jack is arranged on the first movable guide rail, the horizontal jack is positioned at the outer side of the transformer to be assembled, the end part of a piston rod of the horizontal jack is abutted against the transformer to be assembled, and in an initial state, the piston rod of the horizontal jack is in a contracted state;
S3: advancing a transformer to be assembled;
Starting a horizontal jack to push a transformer to be assembled to move forwards by a set distance;
After the pushing stroke is completed, the state of each part is rapidly checked, and the position of the transformer to be installed is ensured to have no offset and potential overturning hazards;
after confirming that the error is avoided, determining whether the first movable guide rail and the front and back positions of the first movable guide rail are alternated or not according to the set distance;
the horizontal jack is removed and reinstalled on the sliding rail mechanism, the piston rod of the horizontal jack is in a recovery state, and the end part of the piston rod of the horizontal jack is kept to be abutted with the outer side of the transformer to be installed;
S4: repeating S3 until the transformer is pushed to slide to the position right above the vertical jack;
s5: lowering the transformer to be installed into position;
Starting at least two groups of vertical jacks to enable piston rods of the vertical jacks to jack up the transformer to be assembled;
Removing the horizontal jack, two rows of upright post groups, a first movable guide rail and a second movable guide rail, recovering a piston rod of the vertical jack, placing a transformer to be installed in the base, and removing the vertical jack.
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| CN114751305B (en) * | 2022-04-11 | 2025-05-20 | 中国化学工程第三建设有限公司 | Plant equipment horizontal transfer device with adjustable length |
| CN115376805B (en) * | 2022-10-19 | 2022-12-23 | 江苏铜变变压器有限公司 | Device body adjusting device of power transformer |
| CN116344159A (en) * | 2022-12-20 | 2023-06-27 | 中国电建集团贵州工程有限公司 | Transformer installation method and construction device |
| CN120511092B (en) * | 2025-07-21 | 2025-09-16 | 聚变新能(安徽)有限公司 | Transfer tooling for nuclear fusion device window plug-in and method of use thereof |
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| CN102682959A (en) * | 2012-05-12 | 2012-09-19 | 中国十七冶集团有限公司 | Sliding mounting method for large-sized transformer |
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| JPH0757951A (en) * | 1993-08-19 | 1995-03-03 | Toshiba Corp | Disassembly and transportation transformer assembly method |
| CN103824691A (en) * | 2014-02-28 | 2014-05-28 | 中冶天工上海十三冶建设有限公司 | Hydraulic ejecting, pushing and sliding installation method for transformer |
| CN208655360U (en) * | 2018-08-17 | 2019-03-26 | 中国华冶科工集团有限公司 | High-power transformer is installed with regard to positioning auxiliary device |
| CN212639897U (en) * | 2020-05-15 | 2021-03-02 | 中国三冶集团有限公司 | Large-scale transformer numerical control installation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102682959A (en) * | 2012-05-12 | 2012-09-19 | 中国十七冶集团有限公司 | Sliding mounting method for large-sized transformer |
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Denomination of invention: A segmented top push installation platform and installation method for transformers Granted publication date: 20240614 Pledgee: China Construction Bank Corporation Hefei Chengnan Branch Pledgor: CHINA NATIONAL CHEMICAL ENGINEERING THIRD CONSTRUCTION Co.,Ltd. Registration number: Y2024980042745 |
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