CN112573434A

CN112573434A - Platform system for transformer installation

Info

Publication number: CN112573434A
Application number: CN202011398314.3A
Authority: CN
Inventors: 李凤英
Original assignee: Chengdu Mingjie Technology Co ltd
Current assignee: Chengdu Mingjie Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-03-30

Abstract

The invention discloses a platform system for mounting a transformer, wherein a first lifting device and a second lifting device are symmetrically arranged, the first lifting device and the second lifting device respectively comprise a base and two supporting columns arranged on the base, the two supporting columns are arranged on the base, the opposite side walls of the two supporting columns are inwards concave to form a first sliding chute, a rectangular frame is arranged in the first sliding chute, the opposite sides of the rectangular frame parallel to the two supporting columns are inwards concave to form a second sliding chute, a transformer lifting part is arranged in the second sliding chute, a first hydraulic telescopic cylinder is arranged between the supporting columns and the rectangular frame, and a second hydraulic telescopic cylinder is arranged between the rectangular frame and the transformer lifting part; the bottom plate is provided with jacks, the stand column can be detachably inserted into the jacks, the stand column is provided with a mounting seat, the surrounding rod is mounted on the mounting seat, one end of the bottom plate can be detachably connected with the first lifting device, and the other end of the bottom plate can be detachably connected with the second lifting device. The device is convenient to build, has a construction platform and is safe to work.

Description

Platform system for transformer installation

Technical Field

The invention relates to the technical field of transformers, in particular to a platform system for transformer installation.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. The main functions are voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like. It can be divided into power transformer and special transformer according to the purpose; a power transformer with 100-400 kilovolt-ampere is provided, and a plurality of double-column transformer platforms are adopted. The double-column transformer platform is composed of a main rod and an auxiliary rod which form a pillar, and the two rods are clamped by a bar-groove steel to form a bearing seat for mounting the distribution transformer. The vertical distance between the bottom surface of the bearing seat and the ground is not less than 2.5 meters, and is generally 2.5-3 meters; the ratio of the height difference between the two ends of the bearing seat to the horizontal distance between the two ends, namely the plane slope, is less than 1/100.

The existing transformer is mainly installed by adopting a crane for hoisting construction, but in the process of replacing and maintaining the power transformer, a high-voltage wire harness and a low-voltage wire harness which normally run are generally arranged above a tower, and when the power transformer is hoisted by adopting the crane, the suspension arm of the crane cannot keep a safe distance with the high-voltage wire harness and the low-voltage wire harness in the process of extending and hoisting, so that the normal construction can be realized only when power failure is needed in the construction process, and the living requirements of surrounding residents are seriously influenced. Meanwhile, the crane is adopted for hoisting, so that a constructor does not have a construction platform in the construction process, the construction difficulty is increased, and the construction speed is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is that the existing transformer installation mainly adopts a crane to carry out hoisting construction, but in the process of replacing and maintaining the power transformer, a high-voltage wire harness and a low-voltage wire harness which normally run are generally arranged above a tower, and when the crane is adopted for hoisting, the suspension arm of the crane can not keep a safe distance with the high-voltage wire harness and the low-voltage wire harness in the process of extending and hoisting, so that the normal construction can be carried out only by power failure in the construction process, and the living requirements of surrounding residents are seriously influenced. Meanwhile, the crane is adopted for hoisting, so that a constructor does not have a construction platform in the construction process, the construction difficulty is increased, and the construction speed is reduced.

The invention is realized by the following technical scheme:

the platform system for transformer installation comprises a first lifting device, a second lifting device and a construction platform part, wherein the first lifting device and the second lifting device are symmetrically arranged, the first lifting device and the second lifting device respectively comprise a base and supporting columns arranged on the base, the number of the supporting columns is two, the inner parts of the side walls of the two supporting columns opposite to each other are concave to form a first sliding chute, a rectangular frame is arranged in the first sliding chute, the inner parts of the two sides of the rectangular frame parallel to the supporting columns are concave to form a second sliding chute, a transformer lifting part is arranged in the second sliding chute, a first hydraulic telescopic cylinder is arranged between the supporting columns and the rectangular frame, the first hydraulic telescopic cylinder can drive the rectangular frame to move along the first sliding chute in a telescopic manner, and a second hydraulic telescopic cylinder is arranged between the rectangular frame and the transformer lifting part, the second hydraulic telescopic cylinder is telescopic to enable the transformer lifting part to move along the second sliding chute; the construction platform part comprises a bottom plate, a stand column and a surrounding rod, a jack is arranged on the bottom plate, the stand column can be detachably inserted into the jack, a mounting seat is arranged on the stand column, the surrounding rod is mounted on the mounting seat, one end of the bottom plate can be detachably connected with a first lifting device, and the other end of the bottom plate can be detachably connected with a second lifting device.

The technical problem is that the existing transformer installation mainly adopts a crane to carry out hoisting construction, but in the process of replacement and maintenance operation of the power transformer, a high-voltage wire harness and a low-voltage wire harness which normally run are generally arranged above a tower, and when the crane is adopted for hoisting, a suspension arm of the crane cannot keep a safe distance with the high-voltage wire harness and the low-voltage wire harness in the process of stretching and hoisting, so that normal construction can be carried out only when power failure is needed in the construction process, and the living requirements of surrounding residents are seriously influenced. According to the lifting device, the first lifting device and the second lifting device are arranged and are lifted in a two-section mode, the rectangular frame moves up and down along the first sliding groove under the action of the first hydraulic telescopic cylinder in the first sliding groove, and the first-section lifting is achieved; the transformer lifting part lifts under the action of a second hydraulic telescopic cylinder in the second sliding chute to realize second-section lifting; the transformer is placed on the transformer lifting part, the transformer is lifted to a specified height through the first section of lifting and the second section of lifting, compared with the existing crane lifting, the crane is flexibly connected with the transformer through a steel wire rope, the stress of the transformer is uneven, the transformation topples over, so that cooling oil flows out of the transformer, meanwhile, the transformer is lifted from the top of the transformer through a lifting rope, the safety distance between the transformer and a high-voltage power transmission line and a low-voltage power transmission line cannot be kept, the device adopts the symmetrical arrangement of the first lifting device and the second lifting device, the transformer lifting parts of the first lifting device and the second lifting device are spliced together to form a transformer placing platform, when in use, the transformer is placed on a transformer placing platform formed by the two transformer lifting parts, and the transformation lifting is realized through the lifting of the two ends of the first lifting device and the second lifting device, the transformer is lifted from the bottom of the transformer, so that the safety distance between the transformer and the high-voltage power transmission line and between the transformer and the low-voltage power transmission line can be well guaranteed, long-time power failure is not needed in the construction process, and normal electricity utilization of electricity utilization residents is guaranteed. Meanwhile, the lifting of the transformer is realized by the lifting part of the transformer in a lifting mode, the lifting process is relatively stable, the contact surface is larger, and the phenomenon that the transformer is toppled due to uneven stress can be avoided, so that the cooling oil is toppled.

The existing transformer hoisting method by adopting a crane has the problems that constructors do not have a construction platform in the construction process, and the construction difficulty, the construction risk and the construction speed are increased. This application is through setting up construction platform portion, construction platform portion includes the bottom plate, the one end of bottom plate can be dismantled and be connected with first elevating gear, the other end can be dismantled and be connected with second elevating gear, be connected first elevating gear and second elevating gear through the bottom plate, stability when using has been improved, the top of bottom plate constitutes the working face of executing simultaneously, the bottom plate is connected with first elevating gear and second elevating gear, first elevating gear and second elevating gear's rectangular frame goes up and down to drive the bottom plate and reciprocates, thereby reached the purpose of adjusting the construction bench height, make lift platform and transformer keep reasonable distance, it is more convenient to let the construction. The bottom plate can be detachably installed, and is convenient to carry and transfer when in use; the bottom plate is provided with a jack, the stand column can be detachably inserted into the jack, the stand column is provided with a mounting seat, and the surrounding rod is mounted on the mounting seat. The stand column can be detachably inserted into the insertion hole through the insertion hole formed in the base plate, the surrounding rod is detachably fixed to the insertion hole through the mounting seat, the working area of the base plate can be blocked through the stand column and the surrounding rod, a safe working area is formed, and constructors are prevented from falling from the high altitude. The bottom plate, the installation that stand, enclosing pole can both be dismantled, what can be convenient during the use assembles to before not assembling, first elevating gear and second elevating gear can regard as fork truck to use alone, can be used for loading and unloading and fork in the preparation work and get goods and transformer, place the transformer suitable position and assemble first elevating gear and second upgrading device through the bottom plate and get up the platform system that forms the transformer installation. It should be further explained that, when the transformer is replaced, the system firstly needs to dismantle the original power cross arm for installing the transformer, lift the transformer to a specified height, then install the power cross arm on the telegraph pole, and fix the bottom of the transformer. When a transformer is newly installed, the transformer needs to be lifted to a specified height, and then an electric cross arm is fixedly installed on the bottom of the transformer and a telegraph pole to fix the transformer.

Further, the transformer lifting part comprises a lifting part body and two fork teeth, the lifting part body is installed in the second sliding groove, a connecting rod is arranged on the lifting part body, the two fork teeth are of an L-shaped structure, and one ends of the two fork teeth can be movably installed on the connecting rod. Through set up the connecting rod on lifting portion body, the prong can move be connected with the connecting rod, can adjust the distance between two prongs, is convenient for adapt to the transformer base of the width of unidimensional not, convenient to use, the suitability is strong.

Further, the rectangular frame bottom is provided with square pipe, square intraductal horizontal pole that is provided with, and the horizontal pole can be dismantled, the both ends of horizontal pole all extend to the outside of square pipe, the bottom plate set up in the horizontal pole extends to the top of square outside of pipe portion, the one end of bottom plate with first elevating gear's horizontal pole is fixed, the other end of bottom plate with second elevating gear's horizontal pole is fixed. The bottom of the rectangular frame is provided with a square tube, a cross rod is arranged in the square tube, the two ends of the cross rod inserted into the square tube extend to the outer side of the square tube, and the cross rod extending to the outer part of the square tube forms a support of a bottom plate for mounting a support plate; the cross rod can be disassembled, so that the disassembly and the assembly are convenient, after the disassembly, parts are scattered, the overall occupied space is small, and the transportation is convenient; simultaneously, only need insert the horizontal pole at square intraductal when the equipment, horizontal pole and square pipe can relatively fixed through the bolt to improve the stability of square pipe and horizontal pole, square pipe installs in rectangular frame's bottom, and first hydraulic telescoping cylinder is flexible can drive rectangular frame and reciprocate, and rectangular frame removes and can drive square pipe and remove, thereby drives the horizontal pole and remove, thereby realizes adjusting the height of construction platform portion.

Further, still include fastener, the both sides of bottom plate all are provided with the turn-ups, fastener will through the turn-ups the bottom plate can be dismantled relatively fixed with the horizontal pole, the mount pad is L shape structure, L shape the one end of mount pad with the stand is fixed, L shape be provided with fastener on the mount pad, fastener can with the horizontal pole can be dismantled relatively fixed with the surrounding rod, the lateral wall of jack is provided with fastener, fastener can with the bottom plate with the stand can be dismantled relatively fixed. The L-shaped mounting seat and the fixed end of the upright post can support the surrounding rod, and the surrounding rod and the upright post are fixed through the fastening device. The disassembly and the assembly are more convenient. Through setting up the turn-ups, the bottom plate passes through the turn-ups and is fixed with the horizontal pole, avoids using and trample the time the atress inhomogeneous, and the bottom plate is turned over and is taken place the upset and take place the incident.

Further, fastener includes fixed plate, U-shaped piece, bolt, spring, the both ends of U-shaped piece all are connected with the fixed plate, all set up the through hole on U-shaped piece and the fixed plate, the bolt inserts in the through hole, be provided with spacing platform on the bolt, the spring housing establish with on the bolt, and the spring is located spacing platform with between the horizontal segment of U-shaped piece, all be provided with first fixed orifices on horizontal pole, turn-ups, stand, mount pad, the jack, the bolt can pass first fixed orifices under the effect of spring with turn-ups and horizontal pole relatively fixed, will the jack with the stand is fixed, will stand and pin are fixed, will the bottom plate with stand fixed connection. The base body of the fastening device is formed by splicing or welding the fixing plate and the U-shaped block, the bolt is inserted into the fixing plate and the U-shaped block, and the bolt can stretch out and draw back under the action of the spring due to the fact that the limiting table is arranged on the bolt. When the fixing plate is used, the fixing plate is fixed with the flanging of the bottom plate, the flanging and the cross rod are respectively provided with a first fixing hole, and the bolt can sequentially penetrate through the flanging and the cross rod under the action of the spring to relatively fix the flanging and the cross rod; when the upright post is fixed, the fixing plate is fixed with the outer wall of the jack, and the bolt is inserted into the first fixing hole under the action of the spring to fix the upright post in the jack; when fixed enclosing rod, fixed plate is fixed with the vertical section outer wall of mount pad, and the bolt passes first fixed orifices under the effect of spring and is in the same place stand and enclosing rod are fixed, and the enclosing rod carries out the shutoff to the bottom plate. The bolt can be withdrawn by pulling the spring bolt when the fastening device is adopted, after the bolt is loosened, the bolt can be locked under the action of the spring, compared with a bolt and a nut which are conventional, the bolt and the nut are convenient to fasten, the nut does not need to be screwed, the bolt and the nut can be automatically fixed, the time is saved, and meanwhile, the fastening device is installed on the device, is detached and is connected to the device, and the bolt and the nut cannot be lost.

Further, the bolt includes cylinder section and polygon section, the lateral wall of cylinder section is provided with the screw thread, spacing platform middle part is provided with the screw hole, spacing platform pass through screw-thread fit install in on the cylinder section, the through hole on the fixed plate is circular through hole, the through hole on the U-shaped piece is the polygon through hole to polygon through hole with the polygon section matches, the tip of cylinder section is provided with the direction inclined plane, the tip of cylinder section passes circular through hole, the polygon section passes the polygon through hole. The bolt is arranged into two sections, the first section is a cylindrical section, the cylindrical section can be made into a threaded column, the limiting table is installed on the threaded column in a threaded fit mode, the fastening device is used on a plurality of positions on the whole device, the wall thickness of the bolt required to penetrate is not consistent and thick according to the size of bearing capacity, the size of each part is different, and the requirement that the bolt extends out of a fixing plate to be used at different positions for installation can be met by adjusting the limiting table during use; the end part of the first section of the bolt is provided with a guide inclined plane, the guide inclined plane can automatically retract under the action of the guide inclined plane under the action of the gravity of the bottom plate when the bottom plate is placed on the cross rod, and after the bolt is aligned with the first fixing hole on the cross rod, the bolt can be inserted into the cross rod under the action of the spring elasticity to fix the bottom plate and the cross rod; the fastening device is used for fixing the stand column according to the principle that the extending length of the bolt is adjusted by adjusting the limiting table, then the stand column is inserted into the insertion hole, when the stand column is inserted into the insertion hole, the end part of the stand column can exert force on the inclined plane of the bolt to enable the bolt to retract, and after the first fixing hole of the stand column is aligned with the bolt, the bolt can be inserted into the first fixing hole of the stand column under the action of the spring to realize the fixation of the stand column; when the fastening device fixes the surrounding rod and the upright post, the bolt can be inserted into the fixing hole of the surrounding rod only by pressing the surrounding rod due to the fact that the fastening device is arranged on the side wall of the mounting seat. Can make things convenient for quick construction platform portion of putting up during the use, convenient operation need not save the time that the platform was put up with the help of the instrument, and the second section cross-section of bolt sets polygon and the polygonal hole cooperation on the U-shaped piece to prevent that the bolt from rotating, overturns to the opposite direction below avoiding leading to the atress is inhomogeneous when using, and makes the bolt atress retract, loses firm effect.

Further, the bottom of first elevating gear and second elevating gear all is provided with installation auricle and universal wheel subassembly, it is provided with the bracing piece to rotate on the installation auricle, the one end that the installation auricle was kept away from to the bracing piece is provided with the second screw hole, threaded post is provided with in the second screw hole, the one end that transformer lifting portion was kept away from to the threaded post is provided with the backup pad through ball joint. The universal guide wheels are arranged at the bottoms of the first lifting device and the second lifting device, so that the whole moving position of the moving device is convenient, the supporting rods and the threaded columns are arranged, the supporting rods can be opened in the building process, the supporting plates at the bottoms of the threaded columns are contacted with the ground by adjusting the threaded columns, the contact area of the bottoms is increased, the device is integrally and vertically installed, the supporting plates are hinged through the ball, and in use, the supporting plates can rotate along the hinged positions of the ball, so that the device is suitable for different unevenness of the ground. To improve the overall stability of the device.

The two-dimensional platform is arranged at the top of the fork teeth and comprises a fixed platform, a first moving platform, a second moving platform, a first driving screw rod and a second driving screw rod, wherein the bottom of the first moving platform is provided with a first connecting piece, the first connecting piece is provided with a first threaded through hole, two ends of the fixed platform are respectively provided with a first screw rod fixing hole, the first driving screw rod can be rotatably arranged in the first screw rod fixing hole, the first moving platform is arranged at the top of the fixed platform, the first threaded through hole is matched with the first driving screw rod, the first driving screw rod can drive the first moving platform to move along the direction of the first driving screw rod by rotating the first driving screw rod, two ends of the first moving platform are provided with second screw rod fixing holes, and the second driving screw rod can be rotatably arranged in the second screw rod fixing holes, the bottom of the second mobile platform is provided with a second connecting piece, a second threaded through hole is formed in the second connecting piece, the second mobile platform is installed at the top of the first mobile platform, the second threaded through hole is matched with the second driving screw rod, the second driving screw rod is rotated to drive the second mobile platform to move along the direction of the second driving screw rod, and the first driving screw rod is perpendicular to the second driving screw rod. Through setting up the two-dimensional platform at prong top, when the fixed transformer, through the position of two-dimensional platform fine setting transformer, be convenient for install the transformer in the middle part of support, also be convenient for the centering of screw hole.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. this application is through setting up first elevating gear symmetry and second elevating gear symmetry, the transformer portion concatenation of lifting of first elevating gear and second elevating gear forms transformer place the platform together, the transformer is placed and is placed the bench at the transformer that constitutes by two transformer portions of lifting, this device carries out the lifting to the transformer from the bottom of transformer, thereby can guarantee the safe distance between this device and high voltage transmission line and the low voltage transmission line well, need not long-time power failure in the work progress, thereby guarantee the normal power consumption of power consumption resident. Meanwhile, the lifting of the transformer is realized by the lifting part of the transformer in a lifting mode, the lifting process is relatively stable, the contact surface is larger, and the phenomenon that the transformer is toppled due to uneven stress can be avoided, so that the cooling oil is toppled.

2. This application is through setting up construction platform portion, and construction platform portion's bottom plate is connected first elevating gear and second elevating gear, has improved the stability when using, and the top of bottom plate constitutes the working face of executing simultaneously, and first elevating gear and second elevating gear's rectangular frame goes up and down to drive the bottom plate and reciprocates to reached the purpose of adjusting the construction platform height, made lift platform and transformer keep reasonable distance, it is more convenient to let the construction. The bottom plate can be detachably installed, and is convenient to carry and transfer when in use. The installation that bottom plate, stand, surrounding rod can both be dismantled, what can be convenient during the use assembles. Before not assembling, first elevating gear and second elevating gear can regard as fork truck to use alone, can be used for loading and unloading and fork in the preparation work and get goods and transformer, place the transformer to suitable position and assemble first elevating gear and second upgrading device through the bottom plate and form the platform system of transformer installation.

3. According to the bolt fixing device, the bolt is arranged into two sections, the first section is a cylindrical section, the cylindrical section can be made into a threaded column, the limiting table is installed on the threaded column in a threaded fit mode, and the distance that the bolt extends out of the fixing plate can be adjusted by adjusting the limiting table during use, so that the bolt fixing device can be used for different installation positions; the end part of the first section of the plug pin is provided with a guide inclined plane, the guide inclined plane can automatically retract after the plug pin is stressed, and the plug pin can be inserted and fixed under the action of the elastic force of a spring after the first fixing hole of the plug pin is aligned; can make things convenient for quick construction platform portion of putting up during the use, convenient operation need not save the time that the platform was put up with the help of the instrument, and the second section cross-section of bolt sets polygon and the polygonal hole cooperation on the U-shaped piece to prevent that the bolt from rotating, overturns to the opposite direction below avoiding leading to the atress is inhomogeneous when using, and makes the bolt atress retract, loses fastening effect.

4. The universal guide wheel is arranged at the bottom of the first lifting device and the bottom of the second lifting device, so that the moving position of the whole moving device is convenient, the supporting rod can be opened in the building process by arranging the supporting rod and the threaded column, the supporting plate at the bottom of the threaded column is contacted with the ground by adjusting the threaded column, the contact area of the bottom is increased, the whole vertical installation of the device is realized, the supporting plate is hinged through a ball, and in use, the supporting plate can rotate along the hinged part of the ball, so that the device is suitable for unevenness of different grounds. To improve the overall stability of the device.

5. This application is through setting up the two-dimensional platform at the prong top, when the fixed transformer, through the position of two-dimensional platform fine setting transformer, is convenient for install the transformer at the middle part of support, also is convenient for the centering of screw hole. Through setting up the fixed block, not hard up bolt lets the installation piece remove along the guide way, and the fast position is fixed in the adjustment, and the rectangular downthehole fixing bolt that inserts on the fixed block again is fixed the cross arm of fixed block and fixed block bottom through fixing bolt.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic overall structure diagram of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a first lifting device according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a construction platform according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a bottom plate according to an embodiment of the invention.

Fig. 6 is a schematic structural diagram of a pillar according to an embodiment of the present invention.

FIG. 7 is a schematic structural view of a fastening device according to an embodiment of the present invention.

FIG. 8 is a schematic view of a portion of a fastening device according to an embodiment of the present invention.

FIG. 9 is a partially enlarged view of embodiment A of the present invention.

FIG. 10 is a schematic diagram of a two-dimensional platform according to an embodiment of the invention.

Reference numbers and corresponding part names in the drawings:

1-a base, 2-a support column, 3-a first chute, 4-a rectangular frame, 5-a second chute, 6-a first hydraulic telescopic cylinder, 7-a second hydraulic telescopic cylinder, 8-a bottom plate, 9-a vertical column, 10-a surrounding rod, 11-a jack, 12-a mounting seat, 13-a lifting part body, 14-a fork tooth, 15-a connecting rod, 16-a square tube, 17-a cross rod, 18-a flanging, 19-a fixing plate, 20-a U-shaped block, 21-a spring, 22-a limiting platform, 23-a first fixing hole, 24-a cylindrical section, 25-a polygonal section, 26-a threaded hole, 27-a circular through hole, 28-a polygonal through hole, 29-a guide inclined plane, 30-an installation lug and 31-a universal wheel component, 32-support bar, 33-second threaded hole, 34-threaded column, 35-support plate, 36-fixed table, 37-first movable table, 38-second movable table, 39-first driving screw rod, 40-second driving screw rod, 43-first screw rod fixing hole, 44-second screw rod fixing hole

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

As shown in fig. 1-10, the platform system for transformer installation includes a first lifting device, a second lifting device, and a construction platform portion, wherein the first lifting device and the second lifting device are symmetrically disposed, each of the first lifting device and the second lifting device includes a base 1 and two supporting pillars 2 disposed on the base 1, the two supporting pillars 2 are provided, the opposite side walls of the two supporting pillars 2 are recessed to form a first sliding chute 3, a rectangular frame 4 is disposed in the first sliding chute 3, the opposite sides of the rectangular frame 4 parallel to the supporting pillars 2 are recessed to form a second sliding chute 5, a transformer lifting portion is disposed in the second sliding chute 5, a first hydraulic telescopic cylinder 6 is disposed between the supporting pillars 2 and the rectangular frame 4, and the first hydraulic telescopic cylinder 6 can drive the rectangular frame 4 to move along the first sliding chute 3, a second hydraulic telescopic cylinder 7 is arranged between the rectangular frame 4 and the transformer lifting part, and the second hydraulic telescopic cylinder 7 can stretch to enable the transformer lifting part to move along the second sliding chute 5; construction platform portion includes bottom plate 8, stand 9, encloses pole 10, be provided with jack 11 on the bottom plate 8, the stand 9 can be dismantled insert in jack 11, be provided with mount pad 12 on the stand 9, enclose pole 10 and install on mount pad 12, the one end of bottom plate 8 can be dismantled be connected with first elevating gear, the other end can be dismantled be connected with second elevating gear. The transformer lifting part comprises a lifting part body 13 and two fork teeth 14, the lifting part body 13 is installed in the second sliding groove 5, a connecting rod 15 is arranged on the lifting part body 13, the number of the fork teeth 14 is two, the two fork teeth 14 are in an L-shaped structure, and one end of each of the two fork teeth 14 can be movably installed on the connecting rod 15. Rectangular frame 4 bottom is provided with square pipe 16, square pipe 16 is provided with horizontal pole 17 in, and horizontal pole 17 can be dismantled, the both ends of horizontal pole 17 all extend to square pipe 16's the outside, bottom plate 8 set up in horizontal pole 17 extends to the top of square pipe 16 outside portion, 8 one end of bottom plate with first elevating gear's horizontal pole 17 is fixed, 8 the other end of bottom plate with second elevating gear's horizontal pole 17 is fixed.

Example 2

As shown in fig. 1 to 10, the present embodiment is substantially the same as embodiment 1, and is different in that the present embodiment further includes a fastening device, both sides of the bottom plate 8 are provided with flanges 18, the fastening device relatively fixes the bottom plate 8 and a cross bar 17 through the flanges 18, the mounting seat 12 is in an L-shaped structure, one end of the L-shaped mounting seat 12 is fixed to the upright post 9, the L-shaped mounting seat 12 is provided with a fastening device, the fastening device can fix the upright post 9 and the surrounding bar 10, the side wall of the insertion hole 11 is provided with a fastening device, and the fastening device can fixedly connect the bottom plate 8 and the upright post 9. The fastening device comprises a fixing plate 19, a U-shaped block 20, a bolt and a spring 21, two ends of the U-shaped block 20 are connected with the fixing plate 19, through holes are formed in the U-shaped block 20 and the fixing plate 19, the bolt is inserted into the through holes, a limiting table 22 is arranged on the bolt, the spring 21 is sleeved on the bolt, the spring 21 is located between the limiting table 22 and the horizontal section of the U-shaped block 20, first fixing holes 23 are formed in the cross rod 17, the flanging 18, the upright post 9, the mounting seat 12 and the jack 11, the bolt can penetrate through the first fixing holes 23 under the action of the spring 21 to fix the flanging 18 and the cross rod 17 relatively, the mounting seat 12 and the upright post 9 are fixed, the cross rod 17 is fixed with the surrounding rod 10, and the bottom plate 8 is fixedly connected with the upright post 9. The bolt comprises a cylindrical section 24 and a polygonal section 25, threads are arranged on the side wall of the cylindrical section 24, a threaded hole 26 is formed in the middle of a limiting table 22, the limiting table 22 is installed on the cylindrical section 24 in a threaded fit mode, a through hole in the fixing plate 19 is a circular through hole 27, a through hole in the U-shaped block 20 is a polygonal through hole 28, the polygonal through hole 28 is matched with the polygonal section 25, a guide inclined plane 29 is arranged at the end portion of the cylindrical section 24, the end portion of the cylindrical section 24 penetrates through the circular through hole 27, and the polygonal section 25 penetrates through the polygonal through hole 28.

Example 3

As shown in fig. 1 to 10, this embodiment is substantially the same as embodiment 2, except that the bottom of each of the first lifting device and the second lifting device is provided with a mounting lug 30 and a universal wheel assembly 31, the mounting lug 30 is rotatably provided with a support rod 32, one end of the support rod 32 away from the mounting lug 30 is provided with a second threaded hole 33, a threaded post 34 is arranged in the second threaded hole 33, and one end of the threaded post 34 away from the transformer lifting part is provided with a support plate 35 through a ball hinge. The two-dimensional platform is arranged on the top of the fork 14 and comprises a fixed platform 36, a first movable platform 37, a second movable platform 38, a first driving screw rod 39 and a second driving screw rod 40, wherein a first connecting piece is arranged at the bottom of the first movable platform 37, a first threaded through hole is formed in the first connecting piece, first screw rod fixing holes 43 are formed in two ends of the fixed platform 36, the first driving screw rod 39 can be rotatably arranged in the first screw rod fixing holes 43, the first movable platform 37 is arranged on the top of the fixed platform 36, the first threaded through hole is matched with the first driving screw rod 39, the first driving screw rod 39 can be rotated to drive the first movable platform 37 to move along the direction of the first driving screw rod 39, and second screw rod fixing holes 44 are formed in two ends of the first movable platform 37, the second driving screw 40 is rotatably disposed in the second screw fixing hole 44, a second connecting piece is disposed at the bottom of the second moving stage 38, a second threaded through hole is disposed on the second connecting piece 45, the second moving stage 38 is mounted at the top of the first moving stage 37, the second threaded through hole is matched with the second driving screw 40, the second driving screw 40 is rotated to drive the second moving stage 38 to move along the direction of the second driving screw 40, and the first driving screw 39 is perpendicular to the second driving screw 40.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A platform system for transformer installation is characterized by comprising a first lifting device, a second lifting device and a construction platform part, wherein the first lifting device and the second lifting device are symmetrically arranged, the first lifting device and the second lifting device respectively comprise a base (1) and supporting columns (2) arranged on the base (1), two supporting columns (2) are arranged, the opposite side walls of the two supporting columns (2) are concave inwards to form a first sliding chute (3), a rectangular frame (4) is arranged in the first sliding chute (3), the opposite sides of the rectangular frame (4) parallel to the supporting columns (2) are concave inwards to form a second sliding chute (5), a transformer lifting part is arranged in the second sliding chute (5), and a first hydraulic telescopic cylinder (6) is arranged between the supporting columns (2) and the rectangular frame (4), the first hydraulic telescopic cylinder (6) can drive the rectangular frame (4) to move along the first sliding chute (3) in a telescopic mode, a second hydraulic telescopic cylinder (7) is arranged between the rectangular frame (4) and the transformer lifting part, and the second hydraulic telescopic cylinder (7) can enable the transformer lifting part to move along the second sliding chute (5) in a telescopic mode; construction platform portion includes bottom plate (8), stand (9), encloses pole (10), be provided with jack (11) on bottom plate (8), the insertion that stand (9) can be dismantled is in jack (11), be provided with mount pad (12) on stand (9), enclose pole (10) and install on mount pad (12), the one end of bottom plate (8) can be dismantled and be connected with first elevating gear, the other end can be dismantled and be connected with second elevating gear.

2. The platform system for transformer installation according to claim 1, wherein the transformer lifting part comprises a lifting part body (13) and two fork teeth (14), the lifting part body (13) is installed in the second sliding groove (5), a connecting rod (15) is arranged on the lifting part body (13), the two fork teeth (14) are in an L-shaped structure, and one end of each of the two fork teeth (14) is movably installed on the connecting rod (15).

3. The platform system for transformer installation according to claim 1, wherein a square pipe (16) is arranged at the bottom of the rectangular frame (4), a cross rod (17) is arranged in the square pipe (16), the cross rod (17) is detachable, two ends of the cross rod (17) extend to the outer side of the square pipe (16), the bottom plate (8) is arranged at the top of the portion, extending to the outer side of the square pipe (16), of the cross rod (17), one end of the bottom plate (8) is fixed with the cross rod (17) of the first lifting device, and the other end of the bottom plate (8) is fixed with the cross rod (17) of the second lifting device.

4. The platform system for transformer installation according to claim 3, further comprising a fastening device, wherein flanges (18) are arranged on two sides of the bottom plate (8), the fastening device fixes the bottom plate (8) and the cross rod (17) relatively through the flanges (18), the installation seat (12) is of an L-shaped structure, one end of the L-shaped installation seat (12) is fixed to the upright post (9), a fastening device is arranged on the L-shaped installation seat (12), the fastening device can fix the upright post (9) and the surrounding rod (10), and a fastening device is arranged on a side wall of the insertion hole (11) and can fixedly connect the bottom plate (8) and the upright post (9).

5. The platform system for transformer installation according to claim 4, wherein the fastening device comprises a fixing plate (19), a U-shaped block (20), a bolt and a spring (21), two ends of the U-shaped block (20) are connected with the fixing plate (19), through holes are formed in the U-shaped block (20) and the fixing plate (19), the bolt is inserted into the through holes, a limiting table (22) is arranged on the bolt, the spring (21) is sleeved on the bolt, the spring (21) is located between the limiting table (22) and the horizontal section of the U-shaped block (20), first fixing holes (23) are formed in the cross rod (17), the flanging (18), the upright column (9), the mounting seat (12) and the jack (11), and the bolt can penetrate through the first fixing holes (23) to relatively fix the flanging (18) and the cross rod (17) under the action of the spring (21), and fixing the mounting seat (12) and the upright post (9), fixing the cross rod (17) and the surrounding rod (10), and fixedly connecting the bottom plate (8) and the upright post (9).

6. The platform system for transformer mounting according to claim 5, the bolt comprises a cylindrical section (24) and a polygonal section (25), the side wall of the cylindrical section (24) is provided with threads, a threaded hole (26) is formed in the middle of the limiting table (22), the limiting table (22) is installed on the cylindrical section (24) in a threaded fit mode, the through hole on the fixing plate (19) is a circular through hole (27), the through hole on the U-shaped block (20) is a polygonal through hole (28), and a polygonal through hole (28) is matched with the polygonal section (25), the end part of the cylindrical section (24) is provided with a guide inclined plane (29), the end of the cylindrical section (24) passes through the circular through-hole (27), and the polygonal section (25) passes through the polygonal through-hole (28).

7. The platform system for transformer mounting according to claim 1, wherein a mounting lug (30) and a universal wheel assembly (31) are arranged at the bottom of each of the first lifting device and the second lifting device, a support rod (32) is rotatably arranged on the mounting lug (30), a second threaded hole (33) is arranged at one end of the support rod (32) far away from the mounting lug (30), a threaded column (34) is arranged in the second threaded hole (33), and a support plate (35) is arranged at one end of the threaded column (34) far away from the transformer lifting part through ball hinge.

8. The platform system for transformer installation according to claim 1, further comprising a two-dimensional platform, the two-dimensional platform is disposed on the top of the fork tine (14), the two-dimensional platform comprises a fixed platform (36), a first movable platform (37), a second movable platform (38), a first driving screw rod (39) and a second driving screw rod (40), the bottom of the first movable platform (37) is provided with a first connecting piece, the first connecting piece is provided with a first threaded through hole, both ends of the fixed platform (36) are provided with first screw rod fixing holes (43), the first driving screw rod (39) is rotatably disposed in the first screw rod fixing hole (43), the first movable platform (37) is disposed on the top of the fixed platform (36), and the first threaded through hole is matched with the first driving screw rod (39), the first moving platform (37) can be driven to move along the direction of the first driving screw rod (39) by rotating the first driving screw rod (39), two ends of the first moving platform (37) are provided with second screw rod fixing holes (44), the second driving screw rod (40) is rotatably arranged in the second screw rod fixing hole (44), a second connecting piece is arranged at the bottom of the second mobile station (38), a second threaded through hole is arranged on the second connecting piece, the second mobile station (38) is mounted on top of the first mobile station (37), and the second screw thread through hole is matched with the second driving screw rod (40), the second moving platform (38) can be driven to move along the direction of the second driving screw rod (40) by rotating the second driving screw rod (40), the first driving screw rod (39) is perpendicular to the second driving screw rod (40).