CN116742512A - Handcart type circuit breaker transferring platform and circuit breaker detection method - Google Patents
Handcart type circuit breaker transferring platform and circuit breaker detection method Download PDFInfo
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- CN116742512A CN116742512A CN202310808672.4A CN202310808672A CN116742512A CN 116742512 A CN116742512 A CN 116742512A CN 202310808672 A CN202310808672 A CN 202310808672A CN 116742512 A CN116742512 A CN 116742512A
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- 238000001514 detection method Methods 0.000 title description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 119
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
-
- 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
-
- 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Handcart (AREA)
Abstract
The invention belongs to the technical field of transformer substation overhaul and discloses a handcart type circuit breaker transfer platform and a circuit breaker overhaul method, wherein the handcart type circuit breaker comprises a frame body, a traveling mechanism, a centering clamping mechanism, a rotating mechanism, a lifting mechanism and a control mechanism, the centering clamping mechanism comprises bearing rails, clamping assemblies and adjusting assemblies, the two bearing rails are arranged at intervals, the adjusting assemblies are used for adjusting the distance between the two bearing rails, and the clamping assemblies are used for clamping the handcart type circuit breaker; the control mechanism comprises an electric control cabinet and a sensor assembly, wherein the sensor assembly is used for acquiring a position signal of the handcart type circuit breaker, an MCU control unit is arranged in the electric control cabinet, and the MCU control unit can control the running mechanism, the lifting mechanism and the centering clamping mechanism according to a feedback signal of the sensor assembly, so that a bearing rail corresponds to a rail extension line of a cabinet where the handcart type circuit breaker is located, and the automation level of a transportation platform of the handcart type circuit breaker is improved.
Description
Technical Field
The invention relates to the technical field of transformer substation overhaul, in particular to a handcart type circuit breaker transfer platform and a circuit breaker detection method.
Background
In recent years, with the increasing of the capital construction and technical improvement projects of substations in various areas, the overhaul work of the substation equipment becomes heavier, and the 10kV and 20kV switch cabinets are used as the equipment with the largest quantity of substations and the most frequent overhaul, so that most of the overhaul time is occupied. In maintenance work of the handcart type circuit breaker, the sizes of the cabinet bodies of the switch cabinet manufacturers are not restricted by the unified standard, and the sizes of the height and the width are different, so that the specifications and the styles of maintenance platforms are different, one transformer substation is often required to be equipped with a plurality of running trolleys of different models for standby, the maintenance cost is improved, and meanwhile, the working efficiency is also reduced.
On the basis, a multifunctional handcart type breaker maintenance vehicle is provided in a document with a publication number of CN108321710A, and comprises two L-shaped bearing rails, wherein the two L-shaped bearing rails can lift, overturn or adjust the distance between the two bearing rails on a frame body, so that the handcart type breaker maintenance vehicle is applicable to handcart type breakers with different models, and the working efficiency of on-site maintenance is improved. However, the maintenance vehicle needs to manually push and adjust the distance and the height of the two L-shaped bearing rails in the maintenance process, and the degree of automation is lower due to the participation of personnel in the implementation process.
Disclosure of Invention
The invention aims to provide a handcart type circuit breaker transfer platform which can automatically walk and automatically adjust the position of a bearing rail, so that the degree of automation is improved.
To achieve the purpose, the invention adopts the following technical scheme:
the handcart type circuit breaker transferring platform comprises a frame body, a travelling mechanism, a centering clamping mechanism, a rotating mechanism, a lifting mechanism and a control mechanism, wherein the travelling mechanism is arranged at the bottom of the frame body and is configured to drive the frame body to travel; the centering clamping mechanism comprises two bearing rails, clamping assemblies and adjusting assemblies, wherein the two bearing rails are arranged at intervals, the adjusting assemblies are configured to adjust the distance between the two bearing rails, and the clamping assemblies are configured to clamp the handcart type circuit breaker; the rotating mechanism is connected with the centering clamping mechanism and is configured to drive the centering clamping mechanism to rotate around the axis of the rotating mechanism; the lifting mechanism is arranged on the frame body and is configured to drive the rotating mechanism to do lifting motion on the frame body; the control mechanism comprises an electric control cabinet and a sensor assembly, wherein the sensor assembly is used for acquiring a position signal of the handcart type circuit breaker, and an MCU control unit electrically connected with the sensor assembly, the travelling mechanism, the lifting mechanism, the rotating mechanism and the centering clamping mechanism is arranged in the electric control cabinet.
Preferably, the lifting mechanism comprises a lifting screw rod, a lifting screw rod nut, a lifting platform and a lifting driving piece, the rotating mechanism is installed on the lifting platform, the lifting platform is connected with the lifting screw rod nut sleeved on the lifting screw rod, and the lifting screw rod is vertically rotated to be arranged on the frame body and connected with the output end of the lifting driving piece.
Preferably, the rotating mechanism comprises a worm wheel, a worm, a rotary driving piece and a rotating platform, the centering clamping mechanism is installed on the rotating platform, the worm is rotationally arranged on the lifting platform along the horizontal direction, one end of the worm is connected with the output end of the rotary driving piece, the worm wheel is sleeved on a rotating shaft arranged on the rotating platform and meshed with the worm, one end of the rotating shaft is fixedly connected with the rotating platform, and the other end of the rotating shaft penetrates through a bearing support arranged on the lifting platform and is rotationally connected with the bearing support.
Preferably, one end of the worm, which is far away from the rotary driving piece, is further provided with a rotary hand wheel, and an electromagnetic clutch is connected between the rotary driving piece and the worm.
Preferably, the adjusting assembly comprises an adjusting screw, an adjusting screw nut, an adjusting driving piece and a track mounting seat, wherein the adjusting screw is rotationally arranged on one side of the rotating platform, which is opposite to the lifting platform, one end of the adjusting screw is connected with the output end of the adjusting driving piece, the adjusting screw comprises two screw rod sections with opposite screw thread directions, the two adjusting screw nuts are respectively symmetrically arranged on the two screw rod sections of the adjusting screw and respectively fixedly connected with the two track mounting seats, and the two bearing tracks are respectively vertically arranged on the two track mounting seats.
Preferably, an adjusting hand-operated wheel is further arranged at one end, far away from the adjusting driving piece, of the adjusting screw rod, and an electromagnetic clutch is connected between the rotating driving piece and the adjusting screw rod.
Preferably, the clamping assembly comprises a clamping channel steel and locking screws, two sides of the clamping channel steel are provided with adjusting holes extending along the distance adjusting direction of the bearing rail, one end of each locking screw is connected with the rail mounting seat, and the other end of each locking screw penetrates through each adjusting hole and is sleeved with a locking nut.
Preferably, the sensor assembly comprises a camera and an ultrasonic sensor, the camera is arranged on the lifting platform, and the ultrasonic sensor is arranged below the two bearing rails.
Preferably, the control unit further comprises a wireless signal receiving unit arranged in the electric control cabinet.
Another object of the present invention is to provide a method for detecting a circuit breaker, which is based on any of the above-mentioned cart-type circuit breaker transfer platforms, and specifically includes the following steps:
controlling the handcart type circuit breaker transferring platform to move to the front side of a cabinet where the target handcart type circuit breaker is located;
adjusting the position of the cart-type circuit breaker transfer platform so that the sensor assembly faces the cabinet;
identifying a location of the cart-type circuit breaker in the cabinet;
the MCU control unit establishes a model according to the position of the handcart type circuit breaker identified by the sensor assembly and simulates a preset position of the bearing rail;
the MCU control unit controls the travelling mechanism, the lifting mechanism and the centering clamping mechanism to enable the bearing rail to move to the preset position;
moving the cart-type circuit breaker onto the load-bearing rail;
a clamping assembly clamps the handcart type circuit breaker;
the MCU control unit controls the rotating mechanism to drive the handcart type circuit breaker to rotate, and then a worker detects the handcart type circuit breaker.
The invention has the beneficial effects that: according to the handcart type circuit breaker transfer platform and the overhauling method for overhauling the circuit breaker by adopting the handcart type circuit breaker transfer platform, the arranged sensor assembly is matched with the MCU control unit to control the frame body to move, so that the bearing rail is accurately positioned on the rail extension line below the handcart type circuit breaker, and the overhauling automation level is improved.
Drawings
Fig. 1 is a schematic structural view of a transport platform for a handcart type circuit breaker according to an embodiment of the present invention;
FIG. 2 is a schematic view of a main frame according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the line A-A of FIG. 2;
FIG. 4 is a schematic view of a rotating mechanism according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along the directions B-B and C-C of FIG. 4;
FIG. 6 is a schematic structural view of a centering clasping mechanism in an embodiment of the present invention;
fig. 7 is a sectional view taken along the direction D-D in fig. 5.
In the figure: 10. a frame body; 11. a main body frame; 12. a base; 13. a handle;
20. a walking mechanism; 21. a driving wheel group; 22. a driven wheel group;
30. a centering clamping mechanism; 31. a load bearing rail; 32. an adjustment assembly; 321. adjusting a screw rod; 322. adjusting a screw rod nut; 323. adjusting the driving member; 324. adjusting a hand-operated wheel; 325. a track mounting base; 33. a clamping assembly; 331. fixing and clamping channel steel; 332. locking the screw rod;
40. a rotation mechanism; 41. a worm; 42. a worm wheel; 43. a rotary driving member; 44. rotating the hand wheel; 45. a bearing support; 46. a rotation shaft; 47. rotating the platform;
50. a lifting mechanism; 51. lifting the screw rod; 52. lifting the screw rod nut; 53. a lifting driving member; 54. a lifting platform; 55. a drive gear; 56. a driven gear;
60. a control mechanism; 61. and an electric control cabinet.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Fig. 1-7 show a handcart type circuit breaker transferring platform according to one embodiment of the present invention, the transferring platform comprises a frame body 10, a traveling mechanism 20, a lifting mechanism 50, a rotating mechanism 40, a centering clamping mechanism 30 and a control mechanism 60, wherein the traveling mechanism 20, the lifting mechanism 50, the rotating mechanism 40 and the centering clamping mechanism 30 are all electrically connected with the control mechanism 60, the traveling mechanism 20 is arranged at the bottom of the frame body 10 and is configured to drive the frame body 10 and each component arranged on the frame body 10 to travel, the centering clamping mechanism 30 comprises a bearing rail 31, a clamping component 33 and an adjusting component 32, the clamping component 33 is used for clamping the handcart type circuit breaker so that the handcart type circuit breaker moves along with the centering clamping mechanism 30, the number of the bearing rails 31 is two and is used for matching with rollers arranged on a chassis of the handcart type circuit breaker, the adjusting component 32 is configured to adjust the interval between the two bearing rails 31 to adapt to the rollers corresponding to the handcart type circuit breakers with different sizes, the output end of the rotating mechanism 40 is connected with the centering and clamping mechanism 30, the adjusting component is configured to drive the centering and clamping mechanism 30 to rotate within the range of 0-360 degrees around the self axis, the lifting mechanism 50 is arranged on the frame body 10, the output end of the adjusting component is connected with the rotating mechanism 40, the adjusting component is configured to drive the rotating mechanism 40 to do lifting motion on the frame body 10, the control mechanism 60 comprises an electric control cabinet 61 and a sensor component (not shown in the figure), the sensor component is used for acquiring the position signals of the handcart type circuit breakers, the electric control cabinet 61 is internally provided with an MCU control unit, the MCU control unit is electrically connected with the sensor component, the travelling mechanism 20, the lifting mechanism 50, the rotating mechanism 40 and the centering and clamping mechanism 30, the MCU control unit receives information of the sensor assembly and sends instructions to control the traveling mechanism 20, the lifting mechanism 50, the rotating mechanism 40 and the centering clamping mechanism 30 to perform corresponding actions so as to perform position adjustment, and a control button electrically connected with the MCU control unit is further arranged on the electric control cabinet.
This handcart-type circuit breaker transshipment platform is through sensor subassembly and MCU control unit automatic control handcart-type circuit breaker transshipment platform that sets up removal to make bear on the track extension line of track 31 accurate location to handcart-type circuit breaker below, rotary mechanism 40 realizes the angle rotation to centering clamp mechanism 30 under control mechanism 60, thereby drives handcart-type circuit breaker rotation, conveniently overhauls handcart-type circuit breaker, and whole process has reduced personnel's participation, and degree of automation is high.
Referring to fig. 1, the frame body 10 includes a base 12, a handle 13, and a main frame 11, wherein the main frame 11 is mounted on the base 12, a lifting mechanism 50 is mounted on the main frame 11, and drives a rotating mechanism 40 and a centering clamping mechanism 30 to make lifting movement on the main frame 11, and the handle 13 is mounted on one side of the base 12, so that the frame body 10 can be manually pushed to walk. Illustratively, the base 12 is provided in a U-shape with an opening toward one side of the main body frame 11 where the rotation mechanism 40 and the centering clasping mechanism 30 are provided. In order to maintain the balance of the main body frame 11, the rotation mechanism 40 mounted on the main body frame 11, and the centering and clamping mechanism 30 as a whole, the main body frame 11 is L-shaped as a whole, and the electric control cabinet 61 is mounted on the horizontal side of the main body frame 11 to play a role of a counterweight. To improve the structural strength, the base 12 and the main body frame 11 are integrally formed of C-shaped steel.
The running gear 20 includes drive wheelset 21, driven wheelset 22, steering component, brake subassembly and walking driving piece, driven wheelset 22 and drive wheelset 21 back-and-forth interval set up in frame body 10 bottom, drive wheelset 21 includes two drive wheels, the output and the drive wheel of walking driving piece are connected, thereby drive the drive wheel rotation realize the automatic movement of frame body 10, steering component is connected with the drive wheel, be used for realizing the adjustment of frame body 10 walking direction, driven wheelset 22 includes two first follow driving wheels and two second follow driving wheels, wherein first follow driving wheels set up in the base 12 bottom, the second follow driving wheels set up in main body frame 11 bottom, first follow driving wheels adopts the universal steering wheel. It is emphasized that both driving wheels are independently controllable, capable of both forward and reverse rotation by the rotary drive 43. The walking driving member adopts a stepping motor with an encoder to realize speed change and forward and reverse rotation adjustment, the driving wheel adopts D1601110-326 universal wheels, the bearing capacity is strong, the corrosion resistance is strong, the steering assembly can specifically adopt a tension spring type steering structure or a straight arm torsion spring type steering structure, the two steering structures and the brake assembly belong to the prior art, and the detailed description is not needed in the embodiment.
Furthermore, in order to avoid jolting in the moving process of the handcart type circuit breaker transferring platform, the driving wheel and the driven wheel are also provided with damping components, and the damping components also belong to the prior art and are not described in detail in the embodiment.
In view of the fact that the rotating mechanism 40 and the centering and clamping mechanism 30 have to have a certain bearing capacity in addition to precision in the lifting process. Referring to fig. 1, 2 and 3, the lifting mechanism 50 includes a lifting screw rod 51, a lifting screw rod nut 52, a lifting platform 54 and a lifting driving member 53, the rotation mechanism 40 is mounted on the lifting platform 54, the lifting platform 54 is connected with the lifting screw rod nut 52 sleeved on the lifting screw rod 51, the lifting screw rod 51 is vertically rotatably disposed on the main body frame 11 and connected with an output end of the lifting driving member 53, and under the action of the lifting driving member 53, the lifting screw rod 51 rotates to drive the lifting screw rod nut 52 and the rotation mechanism 40 located on the lifting platform 54 to do lifting movement. The lifting screw nut 52 is a TR28-5 trapezoidal screw nut, and has self-locking property, the lifting driving member 53 is a direct current servo motor matched with the speed reducer, a driven gear 56 is sleeved on an optical axis at one end of the bottom of the lifting screw 51, a driving gear 55 is sleeved at the output end of the lifting driving member 53, and the driving gear 55 is in meshed connection with the driven gear 56. Considering the size of a general handcart type circuit breaker, the lifting stroke of the lifting screw nut 52 is 1500mm, and the distance between the lifting screw 51 and the ground is 750mm.
Further, the lifting mechanism 50 further includes a lifting rail vertically disposed on the main frame 11 and a lifting slider slidingly engaged with the lifting rail, where the lifting slider is fixedly connected with the rotating mechanism 40, so as to improve the stability of movement of the rotating mechanism 40 during lifting. Illustratively, a ball is disposed in the lifting slider and is in rolling engagement with the lifting rail.
Referring to fig. 4, 5 and 7, the rotation mechanism 40 includes a worm wheel 42, a worm 41, a rotation driving member 43 and a rotation platform 47, the centering and clamping mechanism 30 is mounted on the rotation platform 47, the worm 41 is rotatably disposed on the lifting platform 54 along a horizontal direction, one end of the worm 41 is connected with an output end of the rotation driving member 43, the worm wheel 42 is sleeved on a rotation shaft 46 disposed on a side of the rotation platform 47 facing the lifting platform 54 and engaged with the worm 41, one end of the rotation shaft 46 is fixedly connected with the rotation platform 47, and the other end of the rotation shaft passes through a bearing support 45 disposed on the lifting platform 54 to be rotatably connected with the bearing support 45. The worm 41 is rotated by the rotation driving member 43 to rotate the worm wheel 42 and the rotation platform 47 connected to the worm wheel 42. Illustratively, the rotary driving member 43 is a direct current servo motor used in combination with a speed reducer, and a revolving bearing is further disposed between the rotary shaft 46 and the bearing support 45 to reduce rotational friction. The rotary platform 47 can be made of 6061T 651-type aluminum alloy plate, and is high in structural strength and light in weight, and the handcart type circuit breaker transfer platform is prevented from toppling over.
In order to avoid the failure of the rotation driving member 43 and the incapability of realizing the rotation of the worm 41 or the need of manually rotating the worm 41 due to the limitation of the practical maintenance environment, one end of the worm 41 away from the rotation driving member 43 is also provided with a rotary hand wheel 44, and an electromagnetic clutch is connected between the rotation driving member 43 and the worm 41, so that the connection or disconnection between the rotation driving member 43 and the worm 41 can be realized through the electromagnetic clutch, and the manual and electric switching is realized.
Referring to fig. 1 and 6, the adjusting assembly 32 in the centering clamping mechanism 30 includes an adjusting screw 321, an adjusting screw nut 322, an adjusting driving member 323 and a track mounting seat 325, wherein the adjusting screw 321 is rotatably disposed on one side of the rotating platform 47 opposite to the lifting platform 54, one end of the adjusting screw 321 is connected with an output end of the adjusting driving member 323, the adjusting screw 321 includes two screw sections with opposite screw threads, the two screw sections are connected through a spline head, the two adjusting screw nuts 322 are respectively symmetrically disposed on the two screw sections of the adjusting screw 321 and are respectively fixedly connected with the two track mounting seats 325, and the two bearing tracks 31 are respectively vertically mounted on the two track mounting seats 325. Under the action of the adjusting driving member 323, the adjusting screw 321 rotates to drive the adjusting screw nut 322 and the rail mounting seat 325 to move toward or away from each other. Illustratively, the adjusting driving member 323 is also a direct current servo motor matched with a speed reducer, and the adjusting screw nut 322 is a TR28-5 trapezoidal screw nut with self-locking property. Furthermore, an adjusting hand-operated wheel 324 is further arranged at one end of the adjusting screw rod 321 far away from the adjusting driving piece 323, and an electromagnetic clutch is connected between the rotating driving piece 43 and the adjusting screw rod 321, so that manual and electric switching is realized.
Further, the adjusting assembly 32 further includes an adjusting rail and an adjusting slider disposed along the direction in which the bearing rail 31 moves on the rotating platform 47, and the adjusting slider is fixedly connected with the rail mounting base 325, so as to improve the stability of the rail mounting base 325 during the moving process. The embodiment is characterized in that a ball is arranged in the adjusting slide block and is in rolling fit with the adjusting guide rail.
In this embodiment, the adjustment assembly 32 further includes a photoelectric limit switch for preventing the rail mount 325 from moving excessively and disengaging from the rotary platform 47.
The carrier rail 31 is L-shaped in cross section, and its vertical side is gradually deformed in width in the length direction, and one end of the wide head is welded to the rail mounting base 325. Illustratively, the load rail 31 and rail mount 325 are also made of 6061T651 aluminum alloy plate, which is structurally strong and lightweight. Meanwhile, a balancing weight is further arranged in the rail mounting seat 325, so that the situation that the side, far away from the rail mounting seat 325, of the bearing rail 31 is overweight and unbalanced when the bearing rail 31 bears the handcart type circuit breaker is prevented.
The clamping assembly 33 is used for preventing the handcart type circuit breaker from being separated from the bearing rail 31 when rotating along with the rotating mechanism 40, and can be used for clamping the handcart type circuit breaker by adopting electric driving, for example, an electric clamping jaw is used for clamping the handcart type circuit breaker along the extending direction of the bearing rail 31, and the electric clamping jaw belongs to the prior art and is not further described in the embodiment; manual clamping of the handcart type circuit breaker can also be adopted, for example, the clamping assembly 33 comprises a clamping channel steel 331 and a locking screw 332, two sides of the clamping channel steel 331 are provided with adjusting holes extending along the distance adjusting direction of the two bearing rails 31, one end of the locking screw 332 is connected with the rail mounting seat 325, the other end of the locking screw 332 penetrates through the adjusting holes and is sleeved with a locking nut to fix the clamping channel steel 331 on the mounting seat 325, and the clamping channel steel 331 clamps and fixes the handcart type circuit breaker under the cooperation of the rail mounting seat 325. Illustratively, the locking screw 332 employs a locking slip tie bolt that is movably coupled to the rail mount 325.
The sensor assembly comprises a camera and an ultrasonic sensor, wherein the camera is mounted on the lifting platform 54, the approximate position of the handcart type circuit breaker in the cabinet can be identified, the ultrasonic sensor is arranged on the lower surfaces of the two bearing rails 31 and can move along with the bearing rails 31, and the ultrasonic sensor can be matched with the camera to judge the position of the rail where the trolley type circuit breaker roller rolls in the cabinet. The sensor assembly can acquire the position signal of the handcart type breaker on the premise that the handcart type breaker is in a range which can be sensed by the sensor assembly, so that the handcart type breaker transferring platform needs to be transferred to a position relatively close to the handcart type breaker and the sensor assembly faces a cabinet where the handcart type breaker is located. Based on the control signal, the electric control cabinet is internally provided with a wireless signal receiving unit, and the user terminal can send out a control signal to the MCU control unit through the wireless remote controller to realize man-machine interaction. In this embodiment, the user terminal may be an intelligent terminal device such as a computer or a mobile phone. Alternatively, the control unit in this embodiment further includes a voice control module, and the movement of the cart may be controlled by voice.
In another embodiment of the present invention, a circuit breaker detection method based on the above-mentioned cart-type circuit breaker transfer platform is further provided, and is used for detecting a cart-type circuit breaker, and specifically includes the following steps:
s1, controlling a handcart type circuit breaker transfer platform to move to the front side of a cabinet where a target handcart type circuit breaker is located through a wireless remote controller;
s2, controlling and adjusting the position of the handcart type circuit breaker transfer platform through a wireless remote controller to enable a sensor assembly on the handcart type circuit breaker transfer platform to face the cabinet;
s3, identifying the position of the handcart type circuit breaker in the cabinet through a camera and an ultrasonic sensor;
s4, the MCU control unit establishes a model according to the position of the handcart type breaker identified by the camera and simulates a preset position of the bearing rail 31, wherein the preset position refers to the position of the bearing rail 31 on an extension line of the rail in the cabinet, the MCU control unit is of the prior art, the MCU control unit can establish the model according to the information identified by the camera and simulate the preset position of the bearing rail 31, and the modeling and simulation process is also of the prior art and is not specifically repeated herein;
s5, the MCU control unit controls the travelling mechanism 20, the lifting mechanism 50 and the centering clamping mechanism 30 to enable the bearing rail 31 to move to a preset position;
s6, a worker moves the handcart type circuit breaker onto the bearing rail 31;
s7, clamping the handcart type breaker by the clamping assembly 33;
s8, the MCU control unit controls the rotating mechanism 40 to drive the handcart type circuit breaker to rotate, and then a worker detects the handcart type circuit breaker.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. Handcart-type circuit breaker transshipment platform, its characterized in that includes:
a frame body (10);
the travelling mechanism (20) is arranged at the bottom of the frame body (10) and is configured to drive the frame body (10) to travel;
the centering clamping mechanism (30) comprises bearing rails (31), clamping assemblies (33) and adjusting assemblies (32), wherein two bearing rails (31) are arranged at intervals, the adjusting assemblies (32) are configured to adjust the distance between the two bearing rails (31), and the clamping assemblies (33) are configured to clamp a handcart type circuit breaker;
a rotation mechanism (40) connected with the centering clasping mechanism (30), the rotation mechanism (40) being configured to drive the centering clasping mechanism (30) to rotate about its own axis;
a lifting mechanism (50) mounted on the frame body (10), the lifting mechanism (50) being configured to drive the rotation mechanism (40) to make a lifting movement on the frame body (10);
the control mechanism (60) comprises an electric control cabinet and a sensor assembly, wherein the sensor assembly is used for acquiring a position signal of the handcart type circuit breaker, and an MCU control unit electrically connected with the sensor assembly, the travelling mechanism (20), the lifting mechanism (50), the rotating mechanism (40) and the centering clamping mechanism (30) is arranged in the electric control cabinet.
2. The handcart-type circuit breaker transferring platform according to claim 1, wherein the lifting mechanism (50) comprises a lifting screw rod (51), a lifting screw rod nut (52), a lifting platform (54) and a lifting driving piece (53), the rotating mechanism (40) is installed on the lifting platform (54), the lifting platform (54) is connected with the lifting screw rod nut (52) sleeved on the lifting screw rod (51), and the lifting screw rod (51) is vertically and rotatably arranged on the frame body (10) and connected with the output end of the lifting driving piece (53).
3. The handcart-type circuit breaker transfer platform according to claim 2, characterized in that the rotating mechanism (40) comprises a worm wheel (42), a worm (41), a rotary driving piece (43) and a rotating platform (47), the centering clamping mechanism (30) is installed on the rotating platform (47), the worm (41) is rotationally arranged on the lifting platform (54) along the horizontal direction, one end of the worm (41) is connected with the output end of the rotary driving piece (43), the worm wheel (42) is sleeved on a rotary shaft (46) arranged on the rotating platform (47) and meshed with the worm (41), one end of the rotary shaft (46) is fixedly connected with the rotating platform (47), and the other end of the rotary shaft passes through a bearing support (45) arranged on the lifting platform (54) to be rotationally connected with the bearing support (45).
4. A trolley breaker transfer platform according to claim 3, characterized in that the end of the worm (41) remote from the rotary drive (43) is further provided with a rotary hand wheel (44), an electromagnetic clutch being connected between the rotary drive (43) and the worm (41).
5. The handcart-type circuit breaker transferring platform according to claim 3, wherein the adjusting assembly (32) comprises an adjusting screw (321), an adjusting screw (321) nut, an adjusting driving piece (323) and a track mounting seat (325), the adjusting screw (321) is rotatably arranged on one side of the rotating platform (47) opposite to the lifting platform (54), one end of the adjusting screw (321) is connected with the output end of the adjusting driving piece (323), the adjusting screw (321) comprises two screw sections with opposite screw thread directions, the two adjusting screw (321) nuts are symmetrically arranged on the two screw sections of the adjusting screw (321) respectively and fixedly connected with the two track mounting seats (325), and the two bearing tracks (31) are vertically arranged on the two track mounting seats (325) respectively.
6. The handcart-type circuit breaker transfer platform according to claim 5, wherein an adjusting hand-operated wheel (324) is further arranged at one end of the adjusting screw rod (321) away from the adjusting driving piece (323), and an electromagnetic clutch is connected between the rotating driving piece (43) and the adjusting screw rod (321).
7. The handcart-type circuit breaker transferring platform according to claim 5, wherein the clamping assembly (33) comprises a clamping channel steel (331) and locking screws (332), two sides of the clamping channel steel (331) are provided with adjusting holes extending along the distance adjusting direction of the two bearing rails (31), one end of each locking screw (332) is connected with the rail mounting seat (325), and the other end of each locking screw passes through each adjusting hole and is sleeved with a locking nut.
8. The trolley breaker transfer platform of any one of claims 2-7, wherein the sensor assembly includes a camera disposed on the lifting platform (54) and an ultrasonic sensor disposed below two of the load rails (31).
9. The cart breaker transfer platform of any one of claims 1-7, wherein said control unit further includes a wireless signal receiving unit disposed within said electronic control cabinet.
10. The method for detecting the circuit breaker is characterized by detecting the handcart type circuit breaker based on the handcart type circuit breaker transferring platform according to any one of claims 1-9, and specifically comprises the following steps:
controlling the handcart type circuit breaker transferring platform to move to the front side of a cabinet where the target handcart type circuit breaker is located;
adjusting the position of the cart-type circuit breaker transfer platform so that the sensor assembly faces the cabinet;
identifying a location of the cart-type circuit breaker in the cabinet;
the MCU control unit builds a model according to the position of the handcart type circuit breaker identified by the sensor assembly and simulates a preset position of the bearing rail (31);
the MCU control unit controls the travelling mechanism (20), the lifting mechanism (50) and the centering clamping mechanism (30) to enable the bearing rail (31) to move to the preset position;
-moving the trolley breaker onto the carrying track (31);
a clamping assembly (33) clamps the handcart type circuit breaker;
the MCU control unit controls the rotating mechanism (40) to drive the target handcart type circuit breaker to rotate, and then a worker detects the handcart type circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310808672.4A CN116742512A (en) | 2023-07-04 | 2023-07-04 | Handcart type circuit breaker transferring platform and circuit breaker detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310808672.4A CN116742512A (en) | 2023-07-04 | 2023-07-04 | Handcart type circuit breaker transferring platform and circuit breaker detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116742512A true CN116742512A (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310808672.4A Pending CN116742512A (en) | 2023-07-04 | 2023-07-04 | Handcart type circuit breaker transferring platform and circuit breaker detection method |
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| Country | Link |
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| CN (1) | CN116742512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117638699A (en) * | 2024-01-19 | 2024-03-01 | 兴盛电器股份有限公司 | Power distribution cabinet installation supporting device |
-
2023
- 2023-07-04 CN CN202310808672.4A patent/CN116742512A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117638699A (en) * | 2024-01-19 | 2024-03-01 | 兴盛电器股份有限公司 | Power distribution cabinet installation supporting device |
| CN117638699B (en) * | 2024-01-19 | 2024-04-02 | 兴盛电器股份有限公司 | Power distribution cabinet installation supporting device |
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