CN117023474A - Movable vertical lifting device for overhauling operation in transformer substation - Google Patents
Movable vertical lifting device for overhauling operation in transformer substation Download PDFInfo
- Publication number
- CN117023474A CN117023474A CN202311052007.3A CN202311052007A CN117023474A CN 117023474 A CN117023474 A CN 117023474A CN 202311052007 A CN202311052007 A CN 202311052007A CN 117023474 A CN117023474 A CN 117023474A
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- Prior art keywords
- platform
- guardrail
- fixed
- auxiliary
- movable
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000012423 maintenance Methods 0.000 claims description 12
- 241000282326 Felis catus Species 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 241000282472 Canis lupus familiaris Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/04—Driving gear manually operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention belongs to the technical field of lifting devices, and particularly relates to a movable vertical lifting device for overhauling operation in a transformer substation. The device can enlarge the moving range of operators in high-altitude operation by the design of the auxiliary operation mechanism, avoids tedious steps caused by the need of moving the whole lifting device, saves time and labor, and has high working efficiency; through conveying mechanism's design, the operating personnel who is convenient for be located the eminence takes the instrument of below, and it is convenient to take the instrument.
Description
Technical Field
The invention belongs to the technical field of lifting devices, and particularly relates to a movable vertical lifting device for overhauling operation in a transformer substation.
Background
The substations require frequent testing, inspection and maintenance in operation, and for high-lying installations, it is often necessary to resort to lifting devices. After the lifting device is moved to a proper position, an operator stands on the working platform of the lifting device, and after the lifting device is lifted to a set height, the operator can perform high-altitude operation at the moment. However, in the actual working process, when an operator needs to move forward for a small distance due to additional maintenance requirements, the operator can only rely on the whole movement of the lifting device by the above-ground staff to meet the maintenance requirements of the operator, and at the moment, the operator must lower the operation platform to the minimum, retract the supporting legs and cut off the power supply to move behind, so that the time and the labor are wasted, and the working efficiency is low; in addition, because the operator is located at a high place, the operator is inconvenient to take tools from the lower part, and the tools are difficult to take.
For this reason, improvements are needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a movable vertical lifting device for overhauling operation in a transformer substation, which comprises a base, an operation platform, a lifting mechanism, an auxiliary operation mechanism and a conveying mechanism, wherein the bottom of the base is provided with a movable wheel, the operation platform is arranged above the base, the lifting mechanism is arranged at the rear side of the operation platform and used for driving the operation platform to rise and fall, the auxiliary operation mechanism is used for increasing the movable range of an operator during high-altitude operation, and the conveying mechanism is used for conveying articles.
Optionally, elevating system is including fixing the mount on the base, set up gear motor at the mount top, screw rod and two guide bars and three slide in vertical setting in the mount, the screw rod rotates the middle part of connecting at the mount, the top and the output shaft transmission of gear motor of screw rod are connected, two guide bars are fixed respectively and are set up in the left and right sides of screw rod, three slide is run through respectively to two guide bars and screw rod, and the slide that is located the centre passes through the vice sliding connection of nut of screw rod on the screw rod, the rear end fixed connection of three slide all with operating platform.
Optionally, the auxiliary operation mechanism comprises a telescopic guardrail arranged above the operation platform, an auxiliary platform arranged below the operation platform and a plurality of hydraulic cylinders; the telescopic guardrail comprises a fixed guardrail and a movable guardrail, the fixed guardrail comprises a plurality of first cross bars and a plurality of first vertical bars which are fixed together, the bottom ends of the first vertical bars are fixed on the operation platform, the movable guardrail comprises a plurality of second cross bars and a plurality of second vertical bars which are fixed together, and four second cross bars of the movable guardrail are respectively arranged in the four first cross bars of the fixed guardrail in a penetrating way; the left side and the right side of the auxiliary platform are hinged with the left side and the right side of the operation platform through a plurality of connecting rods respectively, a plurality of hydraulic cylinders are arranged on the rear side of the auxiliary platform, cylinder bases of the hydraulic cylinders are hinged below the bottom surface of the operation platform, and piston rods of the hydraulic cylinders are hinged with the rear end of the auxiliary platform.
Specifically, fixing bolts for fixing second cross bars of the movable rail are arranged on four first cross bars of the fixed rail; when the telescopic guardrail is in a contracted state, the fixed guardrail can enclose the left side face, the right side face and the rear side face of the operation platform, and the movable guardrail can enclose the front side face of the operation platform; after the auxiliary platform is fixed forwards, the telescopic guardrail is stretched, and at the moment, the fixed guardrail and the movable guardrail can enclose four sides of the operation platform and the auxiliary platform together, so that the protection effect is achieved for operators.
Optionally, two second montants of activity railing front end all adopt the telescopic link, and the telescopic link is including cup jointing interior telescopic link and the outer telescopic link together, and the bottom of interior telescopic link is provided with the gyro wheel, is provided with the connector that is used for fixed interior telescopic link on the outer telescopic link.
Specifically, after fixing the auxiliary platform forward, stretching the telescopic guardrail, because a certain height difference exists between the operation platform and the auxiliary platform, stretching the telescopic rod, lowering the roller until the roller can slide on the auxiliary platform, fixing the inner telescopic rod through the operation connector, and then pushing the movable guardrail to move forward.
Optionally, two stoppers are further arranged on the auxiliary platform and used for blocking rollers at the bottoms of the two telescopic rods at the front end of the movable railing.
Specifically, two dogs are all fixed on the top surface of operation platform, and are close to operation platform's preceding terminal surface, when flexible guardrail is tensile, can block movable railing, prevent that movable railing from breaking away from fixed railing completely, can set up the magnet that can mutually attract in gyro wheel and dog, when the gyro wheel removes the dog next door, with both actuation together, play fixed and limiting displacement.
Optionally, conveying mechanism is including fixed support frame and the hand capstan winch of setting on the support frame top of setting on fixed railing, twines on the hand capstan winch has wire rope, and wire rope's bottom mounting has the hanging flower basket.
Optionally, both ends all are provided with the hydraulic support leg around the base, are provided with the balancing weight in the base.
Specifically, the hydraulic support is used for fixing the base; the balancing weight can increase the weight of base to reduce the focus of whole device, improve the stability of device.
Optionally, a ladder stand is arranged on the right side of the working platform.
Specifically, the cat ladder is convenient for operators to log on the working platform.
The invention also comprises other components which can enable the movable vertical lifting device for overhauling operation in the transformer substation to be normally used, and the movable vertical lifting device is a conventional technical means in the field. In addition, the devices or components not defined in the present invention are all conventional in the art.
The working principle of the invention is that after the device is moved to a proper position, the hydraulic support leg is put down to fix the base, an operator climbs the working platform through the ladder stand and fixes the safety rope on the telescopic guardrail, then the operator on the ground controls the gear motor to drive the screw rod to rotate, and further the three sliding seats are moved upwards and drive the working platform to move upwards until the working platform rises to a proper height and then stops, and then the operator starts working aloft; when an operator needs to move forwards for a certain distance due to additional maintenance requirements, the hydraulic cylinder can be controlled to stretch the piston rod to push the auxiliary platform to move forwards and upwards until the top surface of the auxiliary platform is attached to the bottom surface of the operation platform, then the piston rod of the hydraulic cylinder is fixed to fix the auxiliary platform, then the operator releases the fixing bolt on the first cross rod to push the movable railing forwards, stretches the telescopic railing, stretches two telescopic rods at the front end of the movable railing, lowers the roller to enable the movable railing to slide on the auxiliary platform until the roller is fixed to the stop block, and then the operator can operate on the auxiliary platform; when the operator needs to take the tool from the below, the hand winch can be rotated to lower the hanging basket, the operator on the ground can put the required tool in the hanging basket, then the operator reversely rotates the hand winch, and the tool can be taken by lifting the hanging basket.
The invention has the beneficial effects that through the design of the auxiliary operation mechanism, the movable range of an operator during high-altitude operation can be enlarged, the complicated steps caused by the need of moving the whole lifting device are avoided, the time and the labor are saved, and the working efficiency is high; through conveying mechanism's design, the operating personnel who is convenient for be located the eminence takes the instrument of below, and it is convenient to take the instrument.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic partial structure of the lifting mechanism of the present invention.
Fig. 3 is a schematic perspective view of an auxiliary working mechanism of the present invention.
Fig. 4 is a schematic view of the telescopic guard rail of the present invention when stretched.
Fig. 5 is a schematic diagram of a mobile vertical lifting device for overhauling operation in a transformer substation in practical use.
In the figure: 1. base, 2, work platform, 3, lifting mechanism, 4, auxiliary work mechanism, 5, conveying mechanism, 6, hydraulic support, 7, ladder, 8, mount, 9, gear motor, 10, screw, 11, guide bar, 12, slide, 13, telescopic guardrail, 14, auxiliary platform, 15, hydraulic cylinder, 16, fixed guardrail, 17, movable guardrail, 18, first cross bar, 19, first vertical bar, 20, second cross bar, 21, second vertical bar, 22, connecting rod, 23, stop, 24, hand winch, 25, wire rope, 26, hanging basket.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown, and in which embodiments of the invention are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this invention.
Examples
As shown in fig. 1, the embodiment of the invention provides a movable vertical lifting device for overhaul operation in a transformer substation, which comprises a base 1, an operation platform 2, a lifting mechanism 3, an auxiliary operation mechanism 4 and a conveying mechanism 5, wherein the bottom of the base 1 is provided with a movable wheel which is convenient to move; the front end and the rear end of the base 1 are respectively provided with a hydraulic support leg 6, and the hydraulic support legs 6 are used for fixing the base 1; be provided with the balancing weight in the base 1, the balancing weight can increase the weight of base 1 to reduce the focus of whole device, improve the stability of device.
The operation platform 2 sets up in the top of base 1, and the right side of operation platform 2 is provided with cat ladder 7, and cat ladder 7 makes things convenient for operating personnel to climb on operation platform 2.
As shown in fig. 2, the lifting mechanism 3 is disposed at the rear side of the working platform 2 and is used for driving the working platform 2 to rise and fall, the lifting mechanism 3 comprises a fixing frame 8 fixed on the base 1, a gear motor 9 disposed at the top of the fixing frame 8, a screw 10 vertically disposed in the fixing frame 8, two guide rods 11 and three sliding seats 12, the screw 10 is rotationally connected at the middle of the fixing frame 8, the top end of the screw 10 is in transmission connection with an output shaft of the gear motor 9, the two guide rods 11 are respectively fixedly disposed at the left side and the right side of the screw 10, the two guide rods 11 and the screw 10 respectively penetrate through three sliding seats 12, the sliding seat 12 disposed in the middle is slidingly connected on the screw 10 through a nut pair of the screw 10, and the three sliding seats 12 are fixedly connected with the rear end of the working platform 2.
As shown in fig. 3 and 4, the auxiliary operation mechanism 4 is used for increasing the activity range of an operator during high-altitude operation, and the auxiliary operation mechanism 4 comprises a telescopic guardrail 13 arranged above the operation platform 2, an auxiliary platform 14 arranged below the operation platform 2 and a plurality of hydraulic cylinders 15; the telescopic guardrail 13 comprises a fixed guardrail 16 and a movable guardrail 17, the fixed guardrail 16 comprises a plurality of first cross bars 18 and a plurality of first vertical bars 19 which are fixed together, the bottom ends of the first vertical bars 19 are fixed on the operation platform 2, the movable guardrail 17 comprises a plurality of second cross bars 20 and a plurality of second vertical bars 21 which are fixed together, four second cross bars 20 of the movable guardrail 17 are respectively arranged in the four first cross bars 18 of the fixed guardrail 16 in a penetrating way, and fixing bolts for fixing the corresponding second cross bars 20 are arranged on the four first cross bars 18; the left side and the right side of the auxiliary platform 14 are respectively hinged with the left side and the right side of the operation platform 2 through a plurality of connecting rods 22, a plurality of hydraulic cylinders 15 are arranged at the rear side of the auxiliary platform 14, a cylinder seat of each hydraulic cylinder 15 is hinged below the bottom surface of the operation platform 2, and a piston rod of each hydraulic cylinder 15 is hinged with the rear end of the auxiliary platform 14; when the telescopic guardrail 13 is in a contracted state, the fixed guardrail 16 can enclose the left side, the right side and the back side of the operation platform 2, and the movable guardrail 17 can enclose the front side of the operation platform 2; after the auxiliary platform 14 is fixed forwards, the telescopic guardrail 13 is stretched, and at the moment, the fixed guardrail 16 and the movable guardrail 17 can enclose four sides of the working platform 2 and the auxiliary platform 14 together, so that the protection effect is achieved for operators.
In addition, two second montants 21 of movable railing 17 front end all adopt the telescopic link, the telescopic link is including cup jointing interior telescopic link and the outer telescopic link of being in the same place, the bottom of interior telescopic link is provided with the gyro wheel, be provided with the connector that is used for fixed interior telescopic link on the outer telescopic link, after fixing auxiliary platform 14 forward like this, tensile telescopic guardrail 13, because there is certain difference in height between work platform 2 and the auxiliary platform 14, but tensile telescopic link, the gyro wheel is fallen until it can slide on auxiliary platform 14, then fix interior telescopic link through operating connector, promote movable railing 17 and remove forward afterwards.
Besides, two stoppers 23 are further arranged on the auxiliary platform 14 and used for blocking rollers at the bottoms of two telescopic rods at the front end of the movable rail 17, so that the two stoppers 23 are fixed on the top surface of the working platform 2 and close to the front end surface of the working platform 2, when the telescopic rail 13 stretches, the movable rail 17 can be blocked, the movable rail 17 is prevented from being completely separated from the fixed rail 16, magnets capable of being mutually attracted can be arranged in the rollers and the stoppers 23, and when the rollers move beside the stoppers 23, the rollers are attracted together to play a role of fixing and limiting.
The conveying mechanism 5 is used for conveying articles, the conveying mechanism 5 comprises a supporting frame fixedly arranged on the fixed railing 16 and a hand winch 24 arranged at the top end of the supporting frame, a steel wire rope 25 is wound on the hand winch 24, and a hanging basket 26 is fixed at the bottom end of the steel wire rope 25.
The working principle of the invention is that after the device is moved to a proper position, the hydraulic support legs 6 are put down to fix the base 1, an operator climbs the working platform 2 through the ladder 7 and fixes the safety rope on the telescopic guardrail 13, then the operator on the ground controls the gear motor 9 to drive the screw rods 10 to rotate, thereby enabling the three sliding seats 12 to move upwards and driving the working platform 2 to move upwards until the working platform 2 is stopped after being lifted to a proper height, and then the operator starts working aloft; when an operator needs to move forward for a certain distance due to additional maintenance requirements, the hydraulic cylinder 15 can be controlled to stretch the piston rod to push the auxiliary platform 14 to move forward and upward until the top surface of the auxiliary platform 14 is attached to the bottom surface of the operation platform 2, then the piston rod of the hydraulic cylinder 15 is fixed to fix the auxiliary platform 14, then the operator releases the fixing bolt on the first cross rod 18 to push the movable railing 17 forward to stretch the telescopic railing 13, simultaneously stretches the two telescopic rods at the front end of the movable railing 17, lowers the rollers to enable the movable railing 17 to slide on the auxiliary platform 14 until the rollers are fixed at the stop block 23, and then the operator can operate on the auxiliary platform 14; when an operator needs to take tools from below, he can lower the basket 26 by turning the hand winch 24, the operator on the ground puts the required tools in the basket 26, and then he turns the hand winch 24 in the opposite direction, lifting the basket 26.
The embodiments of the present invention have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. The utility model provides a overhaul operation portable vertical lift device in transformer substation, includes base, operation platform, elevating system, auxiliary operation mechanism and conveying mechanism, its characterized in that: the bottom of base is provided with removes the wheel, and operating platform sets up in the top of base, and elevating system sets up in operating platform's rear side for drive operating platform risees and descends, and auxiliary operation mechanism is used for increasing operating personnel's movable range when high altitude construction, and conveying mechanism is used for transporting article.
2. The in-substation maintenance operation mobile vertical lift device of claim 1, wherein: the lifting mechanism comprises a fixing frame fixed on the base, a gear motor arranged at the top of the fixing frame, a screw rod vertically arranged in the fixing frame, two guide rods and three sliding seats, wherein the screw rod is rotationally connected to the middle of the fixing frame, the top end of the screw rod is in transmission connection with an output shaft of the gear motor, the two guide rods are respectively fixedly arranged on the left side and the right side of the screw rod, the two guide rods and the screw rod respectively penetrate through the three sliding seats, the sliding seats in the middle are in sliding connection with the screw rod through a nut pair of the screw rod, and the three sliding seats are fixedly connected with the rear end of the operation platform.
3. The in-substation maintenance operation mobile vertical lift device of claim 2, wherein: the auxiliary operation mechanism comprises a telescopic guardrail arranged above the operation platform, an auxiliary platform arranged below the operation platform and a plurality of hydraulic cylinders; the telescopic guardrail comprises a fixed guardrail and a movable guardrail, the fixed guardrail comprises a plurality of first cross bars and a plurality of first vertical bars which are fixed together, the bottom ends of the first vertical bars are fixed on the operation platform, the movable guardrail comprises a plurality of second cross bars and a plurality of second vertical bars which are fixed together, and four second cross bars of the movable guardrail are respectively arranged in the four first cross bars of the fixed guardrail in a penetrating way; the left side and the right side of the auxiliary platform are hinged with the left side and the right side of the operation platform through a plurality of connecting rods respectively, a plurality of hydraulic cylinders are arranged on the rear side of the auxiliary platform, cylinder bases of the hydraulic cylinders are hinged below the bottom surface of the operation platform, and piston rods of the hydraulic cylinders are hinged with the rear end of the auxiliary platform.
4. A mobile vertical lifting device for maintenance work in a substation according to claim 3, characterized in that: the telescopic rods are respectively arranged at the two second vertical rods at the front end of the movable railing and comprise an inner telescopic rod and an outer telescopic rod which are sleeved together, idler wheels are arranged at the bottom ends of the inner telescopic rods, and connectors for fixing the inner telescopic rods are arranged on the outer telescopic rods.
5. The in-substation maintenance operation mobile vertical lift device of claim 4, wherein: the auxiliary platform is also provided with two stop blocks for blocking the rollers at the bottoms of the two telescopic rods at the front end of the movable railing.
6. The in-substation maintenance operation mobile vertical lift device of claim 5, wherein: the conveying mechanism comprises a supporting frame fixedly arranged on the fixed railing and a hand winch arranged at the top end of the supporting frame, a steel wire rope is wound on the hand winch, and a hanging basket is fixed at the bottom end of the steel wire rope.
7. The in-substation maintenance operation mobile vertical lift device of claim 6, wherein: the front and back ends of the base are provided with hydraulic support legs, and the base is internally provided with a balancing weight.
8. The in-substation maintenance operation mobile vertical lift device of claim 7, wherein: the right side of the operation platform is provided with a cat ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311052007.3A CN117023474A (en) | 2023-08-21 | 2023-08-21 | Movable vertical lifting device for overhauling operation in transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311052007.3A CN117023474A (en) | 2023-08-21 | 2023-08-21 | Movable vertical lifting device for overhauling operation in transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117023474A true CN117023474A (en) | 2023-11-10 |
Family
ID=88627839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311052007.3A Pending CN117023474A (en) | 2023-08-21 | 2023-08-21 | Movable vertical lifting device for overhauling operation in transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117023474A (en) |
-
2023
- 2023-08-21 CN CN202311052007.3A patent/CN117023474A/en active Pending
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