CN212246090U - Hydraulic lifting device for distribution transformer - Google Patents
Hydraulic lifting device for distribution transformer Download PDFInfo
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- CN212246090U CN212246090U CN202020570556.5U CN202020570556U CN212246090U CN 212246090 U CN212246090 U CN 212246090U CN 202020570556 U CN202020570556 U CN 202020570556U CN 212246090 U CN212246090 U CN 212246090U
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Abstract
The utility model belongs to the technical field of transformer construction equipment, in particular to a hydraulic lifting device of a distribution transformer; the hydraulic lifting device of the distribution transformer comprises a hydraulic prop, the hydraulic prop is connected with a line pole through a lower end locking hoop and an upper end locking hoop, the lower end locking hoop comprises a hinge type reducing locking hoop and a supporting hinged support, and the upper end locking hoop comprises a hinge type reducing locking hoop and a double-semicircle clamping device; the hinge type reducing locking hoop comprises two hinge type half rings, wherein each hinge type half ring comprises a first arc connecting block and a second arc connecting block; the supporting hinged support comprises a hinged support seat plate, and a shaft pin clamping groove and an elastic clamping block are arranged on the hinged support seat plate; the double-semicircle clamping device comprises an oil cylinder buckle base, an oil cylinder buckle gland and a locking claw; the utility model discloses operation convenient to use can adapt to various external environment, can accomplish rack height adjustment work safely high-efficiently, has effectively improved work efficiency, has reduced cost of labor and intensity of labour.
Description
Technical Field
The utility model belongs to the technical field of the transformer construction equipment, concretely relates to distribution transformer hydraulic lifting device.
Background
In order to comprehensively improve the electricity consumption quality of residents and reasonably distribute distribution transformer loads, newly building a distribution transformer area and replacing a JP cabinet in multiple regions, particularly cities, towns and rural regions, the construction years of transformers need to be improved, the construction processes required by different regulations are not uniform, the distance between the bottom of the JP cabinet and the ground is insufficient if a rack is too low during improvement, great potential safety hazards exist for passing pedestrians, and the height between the JP cabinet and the ground is too high if the rack is too high, so that the operation is very inconvenient; in order to ensure that the distance between the transformer body and the JP cabinet meets the requirement, the height of the rack needs to be increased or decreased when the JP cabinet is newly added to the transformer, in the current construction process, the height adjustment of the transformer rack needs to be completed by means of a crane, but the distribution and transformation of the larger part is limited by roads and surrounding obstacles, and only a chain block or a lever block can be selected to complete the height adjustment of the transformer; the problems that the renting cost of a crane is high, the influence of the terrain environment is large and the like exist in the work, the whole process is complex and high in cost, the consumption of manpower, material resources and financial resources is high, if roads around a transformer area are narrow and obstacles such as trees are numerous, the safety distance cannot be guaranteed when the transformer area works under a live line, so that part of the transformer area cannot be completed on time, and even projects need to be changed or cancelled, and the smooth propulsion of the construction of a distribution network project is severely restricted; therefore, it is necessary to provide a hydraulic lifting device for a distribution transformer, which is not affected by the environment, can safely and efficiently adjust the height of a rack, can reduce the cost and save the time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, and provide a rational in infrastructure, operation use convenient to use can adapt to various external environment, can accomplish rack height adjustment work safely high-efficiently, again can reduce cost, the distribution transformer hydraulic lifting device who saves time.
The purpose of the utility model is realized like this: the hydraulic lifting device of the distribution transformer comprises a hydraulic support, wherein the hydraulic support comprises a cylinder body and a piston, the bottom of the cylinder body is connected with a bearing plate, a bearing shaft pin is arranged on the bearing plate, the top end of the piston is connected with a flange plate, the flange plate is connected with a boosting cross beam, and an anti-falling hook is arranged on the boosting cross beam; the bottom of the hydraulic prop is connected with a line pole through a lower end locking hoop, the upper part of the hydraulic prop is connected with the line pole through an upper end locking hoop, the lower end locking hoop comprises a hinge type reducing locking hoop and a supporting hinged support, and the upper end locking hoop comprises a hinge type reducing locking hoop and a double-semicircle clamping device;
the hinge type reducing locking hoop comprises two hinge type semi-rings, each hinge type semi-ring comprises a first arc connecting block and two second arc connecting blocks, and two ends of each first arc connecting block are rotatably connected with the second arc connecting blocks through connecting pin shafts; the two ends of the left hinged semi-ring are rotatably connected with rotating shaft nuts, the upper end of the right hinged semi-ring is rotatably connected with a rotating shaft nut, and the lower end of the right hinged semi-ring is fixedly connected with an opening baffle; the upper parts of the hinge type semi-rings on the left side and the right side are connected through a variable diameter adjusting bolt, the lower parts of the hinge type semi-rings on the left side and the right side are connected through a tensioning bolt, two ends of the variable diameter adjusting bolt are respectively in threaded connection with rotating shaft nuts on two sides of the variable diameter adjusting bolt, the tensioning bolt is in threaded connection with the rotating shaft nut on the left side of the tensioning bolt, and the tensioning bolt is provided with a tensioning nut;
the supporting hinged support comprises a hinged support seat plate, a shaft pin clamping groove matched with the bearing shaft pin is formed in the hinged support seat plate, an elastic clamping block is connected to the right end of the hinged support seat plate in a sliding mode, a clamping spring is connected between the elastic clamping block and the hinged support seat plate, and a clamping block handle is connected to the right end of the elastic clamping block; the supporting hinged support is fixedly connected with the right end of the hinge type reducing locking hoop through the hinged support seat plate to form the lower end locking hoop;
the double-semicircle clamping device comprises an oil cylinder buckle base, the oil cylinder buckle base is rotatably connected with an oil cylinder buckle gland through a hinge, both the oil cylinder buckle base and the oil cylinder buckle gland are provided with semicircular grooves for buckling the hydraulic prop, the upper end of the oil cylinder buckle gland is rotatably connected with a locking clamping jaw, the right end of the locking clamping jaw is connected with the oil cylinder buckle gland through a reset spring, and the oil cylinder buckle base is provided with a long circular hole; the double-semicircle clamping device is connected with the hinge type reducing locking hoop through the oblong hole and the bolt on the double-semicircle clamping device to form the upper end locking hoop.
The boosting crossbeam is I-steel or H-shaped steel, the anti-falling hook is arranged at two ends of the boosting crossbeam, one end of the anti-falling hook is rotatably connected with the boosting crossbeam, and the middle part of the anti-falling hook is connected with the boosting crossbeam through an anti-falling spring.
The middle part of the reducing adjusting bolt is provided with a middle adjusting nut, and the thread turning directions of the two sides of the reducing adjusting bolt are opposite.
One end of the opening baffle is an inclined plate which can prevent the tensioning nut from sliding out.
The elastic clamping block comprises a sliding clamping block, the left end face of the sliding clamping block is an inclined plane, a T-shaped guide boss is arranged on the sliding clamping block, and the right end of the sliding clamping block is connected with a pulling plate.
The distribution transformer lifting method uses the distribution transformer hydraulic lifting device, and comprises the following steps:
the method comprises the following steps: the boosting cross beam is connected with the flange plate at the top end of the piston, the flange plate is lifted to the bottom of a cross arm of the transformer, and the anti-falling hook is hooked on the cross arm; fixing the upper end locking hoop and the lower end locking hoop on corresponding wire rods respectively according to a preset height, embedding the upper end of the hydraulic prop into a semicircular groove of the oil cylinder buckle base, closing the oil cylinder buckle gland and buckling the locking clamping jaws;
step two: the bearing shaft pin at the bottom of the hydraulic support is placed in the shaft pin clamping groove of the lower end locking hoop, the elastic clamping block is automatically locked, the relative positions and angles between the lower end locking hoop and the upper end locking hoop as well as between the hydraulic support and the wire rod are adjusted, so that the hydraulic support is vertical, and the tensioning nut and the oil cylinder compression screw are fastened;
step three: connecting the hydraulic supports with related equipment such as a hydraulic oil pipe, a control circuit, a hydraulic pump station and the like, starting a pump station and a synchronous inching control button, enabling the two hydraulic supports to ascend synchronously, and loosening a fastening bolt of the cross arm until the cross arm can slightly slide after the boosting cross beam is completely contacted with the cross arm;
step four: synchronously pressing a control button to enable the hydraulic prop to push the transformer to rise at a constant speed, loosening the button when the transformer rises to a specified position, self-locking an oil way of a pump station, and screwing bolts of the cross arm to complete lifting work of the transformer;
step five: and loosening the anti-falling hook on the boosting cross beam, falling back the hydraulic prop to an initial state, opening the oil cylinder buckle gland and the elastic clamping block, taking down the hydraulic prop, loosening the tensioning bolt, taking down the lower end locking hoop and the upper end locking hoop, recovering tool equipment and cleaning the site.
The utility model has the advantages that: the utility model discloses a distribution transformer hydraulic lifting device, utilize the synchronous hydraulic pressure of two side hydraulic prop to impel, can promote distribution transformer and JP cabinet to the regulation height; the upper end locking hoop and the lower end locking hoop take the hinge type reducing locking hoop as a main body, the hinge type reducing locking hoop is fixed on a line pole by utilizing the 'tip pulling' characteristic of a non-equal-diameter line pole, a bearing shaft pin at the lower end of the hydraulic prop is clamped into a shaft pin clamping groove of the hinge type reducing locking hoop, and the bearing shaft pin is limited by an elastic clamping block to ensure that the bearing shaft pin cannot fall off; the cylinder body at the upper end of the hydraulic prop is clamped into the grooves of the oil cylinder buckle base and the oil cylinder buckle gland and is locked by the locking clamping jaws, so that the stability of the hydraulic prop is ensured; the hinge type reducing locking hoop is formed by rotationally connecting two hinge type semi-rings through a rotating shaft nut, a reducing adjusting bolt and a tensioning bolt, wherein the hinge type semi-rings are formed by rotationally connecting a first arc connecting block and two second arc connecting blocks through connecting pin shafts; after the hydraulic supports on the two sides are fixed, the pistons can be synchronously pushed upwards, and the cross arm is pushed to move upwards by the aid of the aid cross beam on the top of the pistons until the transformer reaches the designated position; the utility model discloses a distribution transformer hydraulic lifting device is rational in infrastructure, and operation convenient to use can adapt to various external environment, can accomplish rack height adjustment work safely high-efficiently, has effectively improved work efficiency, has reduced cost of labor and intensity of labour.
Drawings
Fig. 1 is the utility model discloses distribution transformer hydraulic lifting device's overall structure schematic diagram.
Fig. 2 is the utility model discloses distribution transformer hydraulic pressure hoisting device's hydraulic prop and boosting crossbeam are connected are looked the structure schematic diagram just.
Fig. 3 is the left side view structure schematic diagram of the hydraulic prop and the boosting beam of the hydraulic lifting device of the distribution transformer of the utility model.
Fig. 4 is the utility model discloses distribution transformer hydraulic lifting device's lower extreme locking staple bolt's front view structure schematic diagram.
Fig. 5 is the utility model discloses overlooking structure schematic diagram of distribution transformer hydraulic lifting device's lower extreme locking staple bolt.
Fig. 6 is the utility model discloses distribution transformer hydraulic lifting device's upper end locking staple bolt's front view structure schematic diagram.
Fig. 7 is the utility model discloses overlooking structure schematic diagram of distribution transformer hydraulic lifting device's upper end locking staple bolt.
Fig. 8 is the utility model discloses distribution transformer hydraulic lifting device's elasticity fixture block's orthographic view structure schematic diagram.
Fig. 9 is the utility model discloses distribution transformer hydraulic lifting device's elasticity fixture block's left side is looked the structure schematic diagram.
In the figure: 1. the device comprises a lower end locking hoop 2, a hydraulic prop 3, an upper end locking hoop 4, a cross arm 5, a boosting cross beam 6, a wire rod 7, a transformer 8, a bearing shaft pin 9, a bearing plate 10, a cylinder body 11, a piston 12, a flange 13, an anti-falling hook 14, an anti-falling spring 15, a second arc connecting block 16, a hinge type half ring 17, a first arc connecting block 18, a connecting pin shaft 19, a reducing adjusting bolt 20, a middle adjusting nut 21, a rotating shaft nut 22, a hinge type reducing locking hoop 23, a supporting hinged support 24, a clamping block handle 25, an elastic clamping block 26, a shaft pin clamping groove 27, a hinged support seat plate 28, a tensioning nut 29, an opening baffle 30, a tensioning bolt 31, a clamping spring 32, an oil cylinder clamping base 33, a clamping claw 34, a reset spring 35, an oil cylinder compression, The device comprises a double-semicircle clamping device 37, an oil cylinder clamping gland 38, a hinge 39, an oblong hole 40, a sliding fixture block 41, a guide boss 42 and a pulling plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-7, the distribution transformer hydraulic lifting device comprises a hydraulic prop 2, wherein the hydraulic prop 2 comprises a cylinder 10 and a piston 11, the bottom of the cylinder 10 is connected with a bearing plate 9, a bearing pin 8 is arranged on the bearing plate 9, the top end of the piston 11 is connected with a flange 12, the flange 12 is connected with a boosting beam 5, and an anti-falling hook 13 is arranged on the boosting beam 5; the bottom of hydraulic prop 2 is connected with line pole 6 through lower extreme locking staple bolt 1, the upper portion of hydraulic prop 2 pass through upper end locking staple bolt 3 with line pole 6 is connected, lower extreme locking staple bolt 1 is including hinge type reducing locking staple bolt 22 and supporting hinge seat 23, upper end locking staple bolt 3 is including hinge type reducing locking staple bolt 22 and two semicircle chucking devices 36.
The hinge type reducing locking hoop 22 comprises two hinge type half rings 16, each hinge type half ring 16 comprises a first arc connecting block 17 and two second arc connecting blocks 15, and two ends of each first arc connecting block 17 are rotatably connected with the second arc connecting blocks 15 through connecting pin shafts 18; both ends of the left-side hinge half ring 16 are rotatably connected with rotating shaft nuts 21, the upper end of the right-side hinge half ring 16 is rotatably connected with the rotating shaft nuts 21, and the lower end of the right-side hinge half ring is fixedly connected with an opening baffle 29; the upper parts of the hinge type half rings 16 on the left side and the right side are connected through a variable diameter adjusting bolt 19, the lower parts of the hinge type half rings 16 on the left side and the right side are connected through a tensioning bolt 30, two ends of the variable diameter adjusting bolt 19 are respectively in threaded connection with rotating shaft nuts 21 on the two sides of the variable diameter adjusting bolt, the tensioning bolt 30 is in threaded connection with the rotating shaft nut 21 on the left side of the tensioning bolt 30, and the tensioning nut 28 is arranged on the tensioning bolt 30.
The supporting hinged support 23 comprises a hinged support seat plate 27, a shaft pin clamping groove 26 matched with the bearing shaft pin 8 is formed in the hinged support seat plate 27, an elastic clamping block 25 is connected to the right end of the hinged support seat plate 27 in a sliding mode, a clamping spring 31 is connected between the elastic clamping block 25 and the hinged support seat plate 27, and a clamping block handle 24 is connected to the right end of the elastic clamping block 25; the supporting hinged support 23 is fixedly connected with the right end of the hinged reducing locking hoop 22 through the hinged support seat plate 27 to form the lower end locking hoop 1.
The double-semicircle clamping device 36 comprises an oil cylinder buckle base 32, the oil cylinder buckle base 32 is rotatably connected with an oil cylinder buckle gland 37 through a hinge 38, semicircular grooves for buckling the hydraulic prop 2 are formed in the oil cylinder buckle base 32 and the oil cylinder buckle gland 37, the upper end of the oil cylinder buckle gland 37 is rotatably connected with a locking clamping jaw 33, the right end of the locking clamping jaw 33 is connected with the oil cylinder buckle gland 37 through a reset spring 34, and a long circular hole 39 is formed in the oil cylinder buckle base 32; the double-semicircle clamping device 36 is connected with the hinge type reducing locking hoop 22 through the long round hole 39 and the bolt on the double-semicircle clamping device to form the upper end locking hoop 3.
The distribution transformer lifting method uses the distribution transformer hydraulic lifting device, and comprises the following steps:
the method comprises the following steps: the boosting crossbeam 5 and the flange plate 12 at the top end of the piston 11 are connected, lifted to the bottom of the cross arm 4 of the transformer 7, and the anti-falling hook 13 is hooked on the cross arm 4; fixing the upper end locking hoop 3 and the lower end locking hoop 1 on the corresponding wire rods 6 respectively according to a preset height, embedding the upper end of the hydraulic prop 2 into a semicircular groove of the oil cylinder buckle base 32, closing the oil cylinder buckle gland 37 and buckling the locking clamping jaws 33;
step two: placing the bearing shaft pin 8 at the bottom of the hydraulic prop 2 into the shaft pin clamping groove 26 of the lower locking hoop 1, automatically locking the elastic clamping block 25, adjusting the relative positions and angles between the lower locking hoop 1 and the upper locking hoop 3 and the hydraulic prop 2 and the wire rod 6, so that the hydraulic prop 2 is vertical, and fastening the tensioning nut 28 and the oil cylinder compression screw 35;
step three: connecting the hydraulic supports 2 with related equipment such as a hydraulic oil pipe, a control circuit, a hydraulic pump station and the like, starting a pump station and a synchronous inching control button, enabling the two hydraulic supports 2 to ascend synchronously, and loosening a fastening bolt of the cross arm 4 until the fastening bolt can slightly slide after the boosting cross beam 5 is completely contacted with the cross arm 4;
step four: synchronously pressing a control button to enable the hydraulic prop 2 to push the transformer 7 to rise at a constant speed, loosening the button when the transformer 7 rises to a specified position, self-locking an oil way of a pump station, and screwing bolts of the cross arm 4 to finish the lifting work of the transformer;
step five: loosening the anti-falling hook 13 on the boosting cross beam 5, falling back the hydraulic prop 2 to an initial state, opening the oil cylinder buckle gland 37 and the elastic clamping block 25, taking down the hydraulic prop 2, loosening the tensioning bolt 30, taking down the lower end locking hoop 1 and the upper end locking hoop 3, recovering tool equipment and cleaning a site.
The hydraulic lifting device of the distribution transformer of the utility model can lift the distribution transformer and the JP cabinet to a specified height by utilizing the synchronous hydraulic propulsion of the hydraulic pillars 2 at the two sides; the upper end locking hoop 3 and the lower end locking hoop 1 take a hinge type reducing locking hoop 22 as a main body, the hinge type reducing locking hoop is fixed on a wire rod 6 by utilizing the 'tip pulling' characteristic of the non-equal-diameter wire rod 6, a bearing shaft pin 8 at the lower end of the hydraulic prop 2 is clamped into a shaft pin clamping groove 26 of the hinge type reducing locking hoop 22, and is limited by an elastic clamping block 25 to ensure that the bearing shaft pin cannot fall off; the cylinder body 10 at the upper end of the hydraulic prop 2 is clamped into the grooves of the oil cylinder buckle base 32 and the oil cylinder buckle gland 37 and is locked by the locking claw 33, so that the stability of the hydraulic prop is ensured; the hinge type reducing locking hoop 22 is formed by rotationally connecting two hinge type semi-rings 16 through rotating shaft nuts 21, reducing adjusting bolts 19 and tensioning bolts 30, wherein the hinge type semi-rings 16 are formed by rotationally connecting a first arc connecting block 17 with two second arc connecting blocks 15 through connecting pin shafts 18, and the first arc connecting block 17 and the second arc connecting blocks 15 can be subjected to comprehensive internal tightening pressure through the matching of the reducing adjusting bolts 19 and the tensioning bolts 30, so that the defect that the traditional hoop can only be locally compressed is effectively overcome; after the hydraulic supports 2 on the two sides are fixed, the pistons 11 can be synchronously pushed upwards, and the cross arm 4 is pushed to move upwards by the boosting cross beam 5 on the top of the pistons until the transformer 7 reaches a specified position; the utility model discloses a distribution transformer hydraulic lifting device is rational in infrastructure, operation convenient to use, the utility model discloses a distribution transformer promotes method has utilized foretell distribution transformer hydraulic lifting device, can adapt to various external environment, can accomplish rack height adjustment work safely high-efficiently, has effectively improved work efficiency, has reduced cost of labor and intensity of labour.
Example 2
As shown in fig. 1-9, the distribution transformer hydraulic lifting device comprises a hydraulic prop 2, wherein the hydraulic prop 2 comprises a cylinder 10 and a piston 11, the bottom of the cylinder 10 is connected with a bearing plate 9, a bearing pin 8 is arranged on the bearing plate 9, the top end of the piston 11 is connected with a flange 12, the flange 12 is connected with a boosting beam 5, and an anti-falling hook 13 is arranged on the boosting beam 5; the bottom of hydraulic prop 2 is connected with line pole 6 through lower extreme locking staple bolt 1, the upper portion of hydraulic prop 2 pass through upper end locking staple bolt 3 with line pole 6 is connected, lower extreme locking staple bolt 1 is including hinge type reducing locking staple bolt 22 and supporting hinge seat 23, upper end locking staple bolt 3 is including hinge type reducing locking staple bolt 22 and two semicircle chucking devices 36.
The hinge type reducing locking hoop 22 comprises two hinge type half rings 16, each hinge type half ring 16 comprises a first arc connecting block 17 and two second arc connecting blocks 15, and two ends of each first arc connecting block 17 are rotatably connected with the second arc connecting blocks 15 through connecting pin shafts 18; both ends of the left-side hinge half ring 16 are rotatably connected with rotating shaft nuts 21, the upper end of the right-side hinge half ring 16 is rotatably connected with the rotating shaft nuts 21, and the lower end of the right-side hinge half ring is fixedly connected with an opening baffle 29; the upper parts of the hinge type half rings 16 on the left side and the right side are connected through a variable diameter adjusting bolt 19, the lower parts of the hinge type half rings 16 on the left side and the right side are connected through a tensioning bolt 30, two ends of the variable diameter adjusting bolt 19 are respectively in threaded connection with rotating shaft nuts 21 on the two sides of the variable diameter adjusting bolt, the tensioning bolt 30 is in threaded connection with the rotating shaft nut 21 on the left side of the tensioning bolt 30, and the tensioning nut 28 is arranged on the tensioning bolt 30.
The supporting hinged support 23 comprises a hinged support seat plate 27, a shaft pin clamping groove 26 matched with the bearing shaft pin 8 is formed in the hinged support seat plate 27, an elastic clamping block 25 is connected to the right end of the hinged support seat plate 27 in a sliding mode, a clamping spring 31 is connected between the elastic clamping block 25 and the hinged support seat plate 27, and a clamping block handle 24 is connected to the right end of the elastic clamping block 25; the supporting hinged support 23 is fixedly connected with the right end of the hinged reducing locking hoop 22 through the hinged support seat plate 27 to form the lower end locking hoop 1.
The double-semicircle clamping device 36 comprises an oil cylinder buckle base 32, the oil cylinder buckle base 32 is rotatably connected with an oil cylinder buckle gland 37 through a hinge 38, semicircular grooves for buckling the hydraulic prop 2 are formed in the oil cylinder buckle base 32 and the oil cylinder buckle gland 37, the upper end of the oil cylinder buckle gland 37 is rotatably connected with a locking clamping jaw 33, the right end of the locking clamping jaw 33 is connected with the oil cylinder buckle gland 37 through a reset spring 34, and a long circular hole 39 is formed in the oil cylinder buckle base 32; the double-semicircle clamping device 36 is connected with the hinge type reducing locking hoop 22 through the long round hole 39 and the bolt on the double-semicircle clamping device to form the upper end locking hoop 3.
For better effect, the boosting crossbeam 5 is I-shaped steel or H-shaped steel, the anti-falling hooks 13 are arranged at two ends of the boosting crossbeam 5, one end of each anti-falling hook 13 is rotatably connected with the boosting crossbeam 5, and the middle part of each anti-falling hook 13 is connected with the boosting crossbeam 5 through an anti-falling spring 14; the boosting cross beam 5 is made of common section steel, so that the equipment can be conveniently manufactured and installed, and the cost is reduced; when the anti-falling hook 13 is hooked on the cross arm 4, the anti-falling hook 13 cannot be actively separated from a hooking state under the tension of the anti-falling spring 14, and the efficient installation of the hydraulic prop 2 is ensured.
For better effect, the middle part of the reducing adjusting bolt 19 is provided with a middle adjusting nut 20, and the thread directions of the two sides of the reducing adjusting bolt 19 are opposite; the middle adjusting nut 20 can be rotated to drive the whole reducing adjusting bolt 19 to rotate, so that the distance between the left hinge half ring 16 and the right hinge half ring 16 is increased or decreased, the size of the hinge type reducing locking hoop 22 is adjusted, and the wire rods 6 with different sizes are adapted; reducing adjusting bolt 19 rather than both sides pivot nut 21 threaded connection revolves to on the contrary through the screw thread that sets up its both sides, rather than will control two the last screw thread of pivot nut 21 revolves to on the contrary, can improve the stability of connecting, is convenient for change when the screw thread goes wrong simultaneously reducing adjusting bolt 19 improves the practicality of this device.
For better effect, one end of the opening baffle plate 29 is provided with an inclined plate which can prevent the tensioning nut 28 from sliding out, so that the tensioning nut 28 can be effectively prevented from sliding out of the opening baffle plate 29, and the safety of the device is improved.
In order to achieve a better effect, the elastic fixture block 25 includes a sliding fixture block 40, a left end surface of the sliding fixture block 40 is an inclined surface, a T-shaped guide boss 41 is arranged on the sliding fixture block 40, and a pull plate 42 is connected to a right end of the sliding fixture block 40; the sliding of the elastic fixture block can be realized through the matching of the guide boss 41 and a guide groove arranged in the right end of the hinged support seat plate 27; in the process that the bearing shaft pin 8 is stopped in the shaft pin clamping groove 26, the elastic clamping block 25 can be extruded and pushed by the inclined left end face of the sliding clamping block 20 to slide rightwards, after the bearing shaft pin 8 is completely clamped in the shaft pin clamping groove 26, the elastic clamping block 25 returns to the original position under the tension of the clamping spring 31 and forms clamping on the bearing shaft pin 8, the bearing shaft pin 8 is prevented from accidentally sliding out of the shaft pin clamping groove 26, and the safety of the device is improved.
The distribution transformer lifting method uses the distribution transformer hydraulic lifting device, and comprises the following steps:
the method comprises the following steps: the boosting crossbeam 5 and the flange plate 12 at the top end of the piston 11 are connected, lifted to the bottom of the cross arm 4 of the transformer 7, and the anti-falling hook 13 is hooked on the cross arm 4; fixing the upper end locking hoop 3 and the lower end locking hoop 1 on the corresponding wire rods 6 respectively according to a preset height, embedding the upper end of the hydraulic prop 2 into a semicircular groove of the oil cylinder buckle base 32, closing the oil cylinder buckle gland 37 and buckling the locking clamping jaws 33;
step two: placing the bearing shaft pin 8 at the bottom of the hydraulic prop 2 into the shaft pin clamping groove 26 of the lower locking hoop 1, automatically locking the elastic clamping block 25, adjusting the relative positions and angles between the lower locking hoop 1 and the upper locking hoop 3 and the hydraulic prop 2 and the wire rod 6, so that the hydraulic prop 2 is vertical, and fastening the tensioning nut 28 and the oil cylinder compression screw 35;
step three: connecting the hydraulic supports 2 with related equipment such as a hydraulic oil pipe, a control circuit, a hydraulic pump station and the like, starting a pump station and a synchronous inching control button, enabling the two hydraulic supports 2 to ascend synchronously, and loosening a fastening bolt of the cross arm 4 until the fastening bolt can slightly slide after the boosting cross beam 5 is completely contacted with the cross arm 4;
step four: synchronously pressing a control button to enable the hydraulic prop 2 to push the transformer 7 to rise at a constant speed, loosening the button when the transformer 7 rises to a specified position, self-locking an oil way of a pump station, and screwing bolts of the cross arm 4 to finish the lifting work of the transformer;
step five: loosening the anti-falling hook 13 on the boosting cross beam 5, falling back the hydraulic prop 2 to an initial state, opening the oil cylinder buckle gland 37 and the elastic clamping block 25, taking down the hydraulic prop 2, loosening the tensioning bolt 30, taking down the lower end locking hoop 1 and the upper end locking hoop 3, recovering tool equipment and cleaning a site.
The hydraulic lifting device of the distribution transformer of the utility model can lift the distribution transformer and the JP cabinet to a specified height by utilizing the synchronous hydraulic propulsion of the hydraulic pillars 2 at the two sides; the upper end locking hoop 3 and the lower end locking hoop 1 take a hinge type reducing locking hoop 22 as a main body, the hinge type reducing locking hoop is fixed on a wire rod 6 by utilizing the 'tip pulling' characteristic of the non-equal-diameter wire rod 6, a bearing shaft pin 8 at the lower end of the hydraulic prop 2 is clamped into a shaft pin clamping groove 26 of the hinge type reducing locking hoop 22, and is limited by an elastic clamping block 25 to ensure that the bearing shaft pin cannot fall off; the cylinder body 10 at the upper end of the hydraulic prop 2 is clamped into the grooves of the oil cylinder buckle base 32 and the oil cylinder buckle gland 37 and is locked by the locking claw 33, so that the stability of the hydraulic prop is ensured; the hinge type reducing locking hoop 22 is formed by rotationally connecting two hinge type semi-rings 16 through rotating shaft nuts 21, reducing adjusting bolts 19 and tensioning bolts 30, wherein the hinge type semi-rings 16 are formed by rotationally connecting a first arc connecting block 17 with two second arc connecting blocks 15 through connecting pin shafts 18, and the first arc connecting block 17 and the second arc connecting blocks 15 can be subjected to comprehensive internal tightening pressure through the matching of the reducing adjusting bolts 19 and the tensioning bolts 30, so that the defect that the traditional hoop can only be locally compressed is effectively overcome; after the hydraulic supports 2 on the two sides are fixed, the pistons 11 can be synchronously pushed upwards, and the cross arm 4 is pushed to move upwards by the boosting cross beam 5 on the top of the pistons until the transformer 7 reaches a specified position; the utility model discloses a distribution transformer hydraulic lifting device is rational in infrastructure, operation convenient to use, the utility model discloses a distribution transformer promotes method has utilized foretell distribution transformer hydraulic lifting device, can adapt to various external environment, can accomplish rack height adjustment work safely high-efficiently, has effectively improved work efficiency, has reduced cost of labor and intensity of labour.
Claims (5)
1. Distribution transformer hydraulic lifting device, it is including hydraulic prop (2), its characterized in that: the hydraulic prop (2) comprises a cylinder body (10) and a piston (11), the bottom of the cylinder body (10) is connected with a bearing plate (9), a bearing shaft pin (8) is arranged on the bearing plate (9), the top end of the piston (11) is connected with a flange plate (12), the flange plate (12) is connected with a boosting cross beam (5), and an anti-falling hook (13) is arranged on the boosting cross beam (5); the bottom of the hydraulic prop (2) is connected with the line pole (6) through a lower end locking hoop (1), the upper part of the hydraulic prop (2) is connected with the line pole (6) through an upper end locking hoop (3), the lower end locking hoop (1) comprises a hinge type reducing locking hoop (22) and a supporting hinged support (23), and the upper end locking hoop (3) comprises a hinge type reducing locking hoop (22) and a double-semicircle clamping device (36);
the hinge type reducing locking hoop (22) comprises two hinge type half rings (16), each hinge type half ring (16) comprises a first arc connecting block (17) and two second arc connecting blocks (15), and two ends of each first arc connecting block (17) are rotatably connected with the second arc connecting blocks (15) through connecting pin shafts (18); both ends of the left hinged semi-ring (16) are rotatably connected with rotating shaft nuts (21), the upper end of the right hinged semi-ring (16) is rotatably connected with the rotating shaft nuts (21), and the lower end of the right hinged semi-ring is fixedly connected with an opening baffle (29); the upper parts of the hinge type half rings (16) on the left side and the right side are connected through a variable diameter adjusting bolt (19), the lower parts of the hinge type half rings (16) on the left side and the right side are connected through a tensioning bolt (30), two ends of the variable diameter adjusting bolt (19) are respectively in threaded connection with rotating shaft nuts (21) on two sides of the variable diameter adjusting bolt, the tensioning bolt (30) is in threaded connection with the rotating shaft nut (21) on the left side of the tensioning bolt, and the tensioning bolt (30) is provided with a tensioning nut (28);
the supporting hinged support (23) comprises a hinged support seat plate (27), a shaft pin clamping groove (26) matched with the bearing shaft pin (8) is formed in the hinged support seat plate (27), an elastic clamping block (25) is connected to the right end of the hinged support seat plate (27) in a sliding mode, a clamping spring (31) is connected between the elastic clamping block (25) and the hinged support seat plate (27), and a clamping block handle (24) is connected to the right end of the elastic clamping block (25); the supporting hinged support (23) is fixedly connected with the right end of the hinge type reducing locking hoop (22) through the hinged support seat plate (27) to form the lower end locking hoop (1);
the double-semicircle clamping device (36) comprises an oil cylinder buckle base (32), the oil cylinder buckle base (32) is rotatably connected with an oil cylinder buckle gland (37) through a hinge (38), both the oil cylinder buckle base (32) and the oil cylinder buckle gland (37) are provided with semicircular grooves for buckling the hydraulic prop (2), the upper end of the oil cylinder buckle gland (37) is rotatably connected with a locking clamping jaw (33), the right end of the locking clamping jaw (33) is connected with the oil cylinder buckle gland (37) through a reset spring (34), and the oil cylinder buckle base (32) is provided with a long circular hole (39); the double-semicircle clamping device (36) is connected with the hinge type reducing locking hoop (22) through the oblong hole (39) and the bolt on the double-semicircle clamping device to form the upper end locking hoop (3).
2. The distribution transformer hydraulic lifting device of claim 1, wherein: boosting crossbeam (5) are I-steel or H shaped steel, prevent weighing down couple (13) set up in the both ends of boosting crossbeam (5), prevent weighing down the one end of couple (13) with boosting crossbeam (5) rotate to be connected, prevent weighing down the middle part of couple (13) through prevent weighing down spring (14) with boosting crossbeam (5) are connected.
3. The distribution transformer hydraulic lifting device of claim 1, wherein: the middle part of the reducing adjusting bolt (19) is provided with a middle adjusting nut (20), and the thread turning directions of the two sides of the reducing adjusting bolt (19) are opposite.
4. The distribution transformer hydraulic lifting device of claim 1, wherein: one end of the opening baffle (29) is a sloping plate which can prevent the tightening nut (28) from sliding out.
5. The distribution transformer hydraulic lifting device of claim 1, wherein: the elastic clamping block (25) comprises a sliding clamping block (40), the left end face of the sliding clamping block (40) is an inclined plane, a T-shaped guide boss (41) is arranged on the sliding clamping block (40), and the right end of the sliding clamping block (40) is connected with a pulling plate (42).
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| CN202020570556.5U CN212246090U (en) | 2020-04-17 | 2020-04-17 | Hydraulic lifting device for distribution transformer |
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| CN202020570556.5U CN212246090U (en) | 2020-04-17 | 2020-04-17 | Hydraulic lifting device for distribution transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116216582A (en) * | 2023-05-09 | 2023-06-06 | 山东达驰电气有限公司 | Hoisting device for transformer assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116216582A (en) * | 2023-05-09 | 2023-06-06 | 山东达驰电气有限公司 | Hoisting device for transformer assembly |
| CN116216582B (en) * | 2023-05-09 | 2023-07-04 | 山东达驰电气有限公司 | Hoisting device for transformer assembly |
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