CN114109204A - Automatic height-adjusting calibration device for switch cabinet door of transformer substation and control method - Google Patents
Automatic height-adjusting calibration device for switch cabinet door of transformer substation and control method Download PDFInfo
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- CN114109204A CN114109204A CN202111423537.5A CN202111423537A CN114109204A CN 114109204 A CN114109204 A CN 114109204A CN 202111423537 A CN202111423537 A CN 202111423537A CN 114109204 A CN114109204 A CN 114109204A
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
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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
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
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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
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/43—Pyrotechnical jacks
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
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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
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- Forklifts And Lifting Vehicles (AREA)
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Abstract
The invention relates to the technical field of power equipment, in particular to an automatic height-adjusting calibrating device for a cabinet door of a switch cabinet of a transformer substation and a control method, wherein a first telescopic marker post is vertically welded on a base of a hydraulic jack, and the top end of the first telescopic marker post is horizontally connected with a second telescopic marker post through a first connecting rod; the top of a piston of the hydraulic jack is fixedly connected with a Z-shaped lifting mechanism through a screw, a fourth telescopic mark post is vertically welded above the Z-shaped lifting mechanism, and the top end of the fourth telescopic mark post is horizontally connected with a third telescopic mark post through a second connecting rod; a first buzzer electrode is fixed on the first connecting rod; and a second buzzer electrode is fixed on the second connecting rod. The invention has the beneficial effects that: only two workers are needed, so that the working time can be greatly shortened, and the field construction efficiency is improved; the labor intensity of workers is greatly reduced, and certain potential safety hazards are reduced; the structure is simple, the realization is easy, the cost is low, and the cost performance is high; can be widely applied to other related industries.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an automatic height-adjusting calibrating device for a cabinet door of a switch cabinet of a transformer substation and a control method.
Background
A substation is an important electrical facility in an electrical power system that transforms voltage, receives and distributes electrical energy, controls the flow of electrical power, and regulates voltage. The transformer substation switch cabinet is commonly known as metal closed switch equipment, is used for receiving and distributing electric energy and controlling, protecting, monitoring and measuring a power circuit in a bus sectionalizing system, is high-voltage equipment with the functions of breaking, arc extinguishing and isolating, is directly supplied to users for power utilization, and is an important link of an electric energy transmission link. The switch cabinet door fastening bolts need to be arranged in a matched manner according to requirements when leaving a factory and can be fastened normally. Because in transportation and installation, probably arouse the cabinet body and cabinet door structure warp a little, lead to closing at the cabinet door, during fastening bolt, the bolt is not at same central line with cabinet body screw. In the integral connection and fixation construction of the on-site switch cabinet, because the weight of the switch cabinet reaches several tons, a plurality of people need to adjust the switch cabinet by using tools such as a jack, a crowbar and the like, the working efficiency is low, and certain potential safety hazards are generated. The hydraulic transmission has large output force or torque, can realize low-speed large-tonnage motion, has the advantages of light weight, small volume, small motion inertia, high reaction speed, easy realization of serialization, standardization, universalization and the like, and is convenient for design, manufacture, maintenance, popularization and use.
Aiming at the problems of the transformer substation switch cabinet, the invention provides an automatic height-adjusting calibration device and a control method.
Disclosure of Invention
In order to make up for the defect of difficult installation of the transformer substation switch cabinet in the prior art, the invention provides a transformer substation switch cabinet door height-adjusting calibration device and a control method, so that the field working efficiency is improved and certain safety is ensured.
The utility model provides a transformer substation's cubical switchboard cabinet door automatic height adjustment calibrating device, including hydraulic jack, zigzag elevating system, first flexible sighting rod, the flexible sighting rod of second, the flexible sighting rod of third, the flexible sighting rod of fourth, head rod, second connecting rod, fastening nut, first bee calling organ electrode, second bee calling organ electrode. The piston of the hydraulic jack is fastened with the Z-shaped lifting mechanism through screws. The telescopic mark post consists of two hollow stainless steel pipes, and the upper end of the stainless steel pipe at the bottom is provided with threads and is cylindrical. The telescopic mark post reaches the appointed length and is screwed and fixed by a fastening nut, and threads for fastening the telescopic mark post are arranged in the telescopic mark post.
The first telescopic marking post is welded with the hydraulic jack base, so that the device is guaranteed to be static in the working process, and the effect of positioning the bolt hole of the cabinet body is achieved. The fourth telescopic mark post is welded with the Z-shaped lifting mechanism and moves up and down along with the Z-shaped lifting mechanism during working. The first connecting rod connects the first telescopic mark post and the second telescopic mark post, and an L-shaped groove is arranged above the first connecting rod. The first telescopic mark post is sleeved in the lower part of the first connecting rod through a bonding process, and the upper L-shaped groove is connected with the second telescopic mark post through a rivet. The second connecting rod links to each other third flexible sighting rod and the flexible sighting rod of fourth, and there is an "L" shape groove second connecting rod top. The lower part of the second connecting rod is sleeved with a fourth telescopic mark post through a bonding process, and an L-shaped groove at the upper part is connected with the third telescopic mark post through a rivet. And fixing the first buzzer electrode on the fourth telescopic mark post through a screw, and fixing the second buzzer electrode on the first connecting rod through a screw. The buzzer electrodes are made of plastic materials, the first buzzer electrode is provided with a protruding copper contact, the second buzzer electrode is provided with a groove, and an annular copper sheet is fixed in the groove.
Based on the device, the control method comprises the following steps:
jacking F of hydraulic jackx1、Fx2、Fx3Is zero, Fy1＝Fy2＝Fy3And calculating by the formula (1) to obtain the jacking force F of the hydraulic jack.
Wherein, Fx1、Fx2、Fx3、Fy1、Fy2、Fy3The components of the three hinges of the cabinet door in the directions of the X axis and the Y axis of the transverse axis, G is the self gravity of the cabinet door, and L is1The width of the cabinet door.
When the hydraulic jack jacks up, because a vertical ascending jacking force F is exerted at the lower right corner of the cabinet door, the upward force F of the X-axis direction of the hinge is reduced along with the increase of the jacking force F, when the jacking force reaches a certain value, the upward force F of the X-axis direction of the cabinet door is 0, the cabinet door can be jacked by the jack at the moment, and the system is in a static balance state.
And selecting a hydraulic jack with the driving force not less than the jacking force according to the calculated jacking force of the hydraulic jack, and designing and processing the Z-shaped lifting mechanism.
A first telescopic mark post is additionally arranged on the jack 1. Place the jack in easy operating position during the use, closely combine zigzag elevating system and cabinet door bottom, extend first flexible sighting rod, pull open the flexible sighting rod of second, make the flexible sighting rod of second and cabinet body bolt hole center parallel and level, the fastening nut of screwing fastens the flexible sighting rod of first flexible sighting rod and second, extend the flexible sighting rod of fourth, the flexible sighting rod of third is straightened, with the flexible sighting rod of third and cabinet door bolt hole center parallel and level, the fastening nut of screwing fastens the flexible sighting rod of third and fourth. The operating device of operation jack, this moment "Z" font elevating system and the synchronous rebound of the flexible sighting rod of fourth, when the flexible sighting rod of third and second was in same height, the warning circuit switched on, and the personnel of telling need not to continue the operation to carry out spacingly to the operating device of jack, prevent strictly that the continuation operation produces the damage to the cubical switchboard.
The automatic height-adjusting calibration control method for the switch cabinet door of the transformer substation comprises the following specific steps:
step one, calculating the weight of a cabinet door and measuring the width L of the cabinet door1And calculating by the formula (1) to obtain the jacking force of the hydraulic jack.
And step two, obtaining the jacking force of the hydraulic jack according to calculation, and selecting the hydraulic jack with the driving force not less than the jacking force.
And step three, designing and processing the Z-shaped lifting mechanism according to the calculated jacking force of the hydraulic jack.
And step four, a piston of the hydraulic jack is fastened with the Z-shaped lifting mechanism through screws, and the Z-shaped lifting mechanism is tightly attached to the cabinet door.
And step five, extending the first telescopic marker post, pulling the second telescopic marker post along the L-shaped groove of the first connecting rod to be 90 degrees to the bolt hole of the cabinet body, and aligning the second telescopic marker post with the bolt hole of the cabinet body, and fastening the telescopic rod A and the telescopic rod B through fastening nuts respectively.
And step six, extending the fourth telescopic mark post, pulling the third telescopic mark post along the L-shaped groove of the second connecting rod to point to the bolt hole of the cabinet door at 90 degrees with the fourth telescopic mark post, aligning the third telescopic mark post with the center of the bolt hole of the cabinet door, and fastening the third telescopic mark post and the fourth telescopic mark post.
And seventhly, operating an operating mechanism of the hydraulic jack, and synchronously lifting the Z-shaped lifting mechanism and the fourth telescopic mark post at the moment.
Step eight, the first buzzer electrode fixed on the fourth telescopic mark post continuously rises, when the second telescopic mark post and the third telescopic mark post reach the same height, the second buzzer electrode fixed on the second connecting rod is in contact with the first buzzer electrode, the alarm loop is conducted, personnel are informed of not needing to continue to operate, the operating mechanism of the jack is limited, and the switch cabinet and the device are strictly prevented from being damaged by continuous operation.
And step nine, fastening the cabinet door by using a bolt by a worker.
Step ten, after the jacking operation is finished, the second telescopic mark post and the third telescopic mark post are outwards pulled and folded along the L-shaped groove of the connecting rod and are parallel to the first telescopic mark post and the fourth telescopic mark post, so that the device is convenient to store.
The invention has the beneficial effects that:
1. compared with the installation process of a plurality of persons of the transformer substation switch cabinet at the present stage, only two workers are needed, the working time can be greatly shortened, and the field construction efficiency is improved; 2. the labor intensity of workers is greatly reduced, and certain potential safety hazards are reduced; 3. the structure is simple, the realization is easy, the cost is low, and the cost performance is high; 4. can be widely applied to other related industries.
Drawings
FIG. 1 is a schematic perspective view of an automatic height adjustment calibrating device for a cabinet door of a switch cabinet of a transformer substation according to the present invention;
FIG. 2 is a force distribution diagram of a cabinet door of the switch cabinet of the present invention;
FIG. 3 is a view of the zigzag elevator of the present invention;
fig. 4 is a horizontal force diagram of the jacking force and the hinge of the hydraulic jack of the invention.
In the figure, the position of the upper end of the main shaft,
1. the hydraulic lifting device comprises a first telescopic mark post, 2, a second telescopic mark post, 3, a third telescopic mark post, 4, a fourth telescopic mark post, 5, a first connecting rod, 6, a second connecting rod, 7, a first buzzer electrode, 8, a second buzzer electrode, 9, a Z-shaped lifting mechanism, 10, a locking nut, 11 and a hydraulic jack.
Detailed description of the invention
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be noted that the terms "disposed," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Fig. 1-4 show an embodiment of the present invention, which is an automatic height adjustment calibrating device for a cabinet door of a substation switch cabinet, wherein a first telescopic marker post 1 is vertically welded on a base of a hydraulic jack 11, and a second telescopic marker post 2 is horizontally connected to the top end of the first telescopic marker post 1 through a first connecting rod 5; the top of a piston of the hydraulic jack 11 is fixedly connected with a Z-shaped lifting mechanism 9 through a screw, a fourth telescopic mark post 4 is vertically welded above the Z-shaped lifting mechanism 9, and the top end of the fourth telescopic mark post 4 is horizontally connected with a third telescopic mark post 3 through a second connecting rod 6; a first buzzer electrode 7 is fixed on the first connecting rod 5; a second buzzer electrode 8 is fixed on the second connecting rod 6. The first telescopic mark post 1, the second telescopic mark post 2, the third telescopic mark post 3 and the fourth telescopic mark post 4 are all composed of two hollow stainless steel pipes, the bottom stainless steel pipe is provided with threads, and the middle is screwed and fixed by a locking nut 10. An L-shaped groove is formed above the first connecting rod 5, the first telescopic mark post 1 is sleeved under the first connecting rod 5 through a bonding process, and the upper L-shaped groove is fixedly connected with the second telescopic mark post 2 through a rivet; the upper side of the second connecting rod 6 is provided with an L-shaped groove, the lower side of the second connecting rod 6 is sleeved with the fourth telescopic mark post 4 through a bonding process, and the L-shaped groove on the upper side is fixedly connected with the third telescopic mark post 3 through a rivet. The first buzzer electrode 7 is fixedly connected to the first connecting rod 5 through a screw, and the first buzzer electrode 7 is provided with a protruding copper contact; the second buzzer electrode 8 is fixedly connected to the second connecting rod 6 through a screw, the second buzzer electrode 8 is provided with a groove, an annular copper sheet is fixed in the groove, and other parts of the buzzer electrode are made of plastic materials. The Z-shaped lifting mechanism 9 is in a Z-shaped structure with two right-angled corners and is made of No. 45 steel.
Based on the device, the control method comprises the following steps:
the force analysis of the switch cabinet door is shown in figure 2, and F is when the hydraulic jack is liftedx1、Fx2、Fx3Is zero, Fy1＝Fy2＝Fy3And calculating by the formula (1) to obtain the jacking force F of the hydraulic jack.
Wherein, Fx1、Fx2、Fx3、Fy1、Fy2、Fy3The components of the three hinges of the cabinet door in the directions of the X axis and the Y axis of the transverse axis, G is the self gravity of the cabinet door, and L is1The width of the cabinet door.
When the hydraulic jack jacks up, because a vertical ascending jacking force F is exerted at the lower right corner of the cabinet door, the upward force F of the X-axis direction of the hinge is reduced along with the increase of the jacking force F, when the jacking force reaches a certain value, the upward force F of the X-axis direction of the cabinet door is 0, the cabinet door can be jacked by the jack at the moment, and the system is in a static balance state.
And selecting a hydraulic jack with the driving force not less than the jacking force according to the calculated jacking force of the hydraulic jack, and designing and processing the Z-shaped lifting mechanism.
A first telescopic mark post is additionally arranged on the jack 1. Place the jack in easy operating position during the use, closely combine zigzag elevating system and cabinet door bottom, extend first flexible sighting rod, pull open the flexible sighting rod of second, make the flexible sighting rod of second and cabinet body bolt hole center parallel and level, the fastening nut of screwing fastens the flexible sighting rod of first flexible sighting rod and second, extend the flexible sighting rod of fourth, the flexible sighting rod of third is straightened, with the flexible sighting rod of third and cabinet door bolt hole center parallel and level, the fastening nut of screwing fastens the flexible sighting rod of third and fourth. The operating device of operation jack, this moment "Z" font elevating system and the synchronous rebound of the flexible sighting rod of fourth, when the flexible sighting rod of third and second was in same height, the warning circuit switched on, and the personnel of telling need not to continue the operation to carry out spacingly to the operating device of jack, prevent strictly that the continuation operation produces the damage to the cubical switchboard.
The automatic height-adjusting calibration control method for the switch cabinet door of the transformer substation comprises the following specific steps:
step one, calculating the weight of a cabinet door and measuring the width L of the cabinet door1And calculating by the formula (1) to obtain the jacking force of the hydraulic jack.
And step two, obtaining the jacking force of the hydraulic jack according to calculation, and selecting the hydraulic jack with the driving force not less than the jacking force.
And step three, designing and processing the Z-shaped lifting mechanism according to the calculated jacking force of the hydraulic jack.
And step four, a piston of the hydraulic jack is fastened with the Z-shaped lifting mechanism through screws, and the Z-shaped lifting mechanism is tightly attached to the cabinet door.
And step five, extending the first telescopic marker post, pulling the second telescopic marker post along the L-shaped groove of the first connecting rod to be 90 degrees to the bolt hole of the cabinet body, and aligning the second telescopic marker post with the bolt hole of the cabinet body, and fastening the telescopic rod A and the telescopic rod B through fastening nuts respectively.
And step six, extending the fourth telescopic mark post, pulling the third telescopic mark post along the L-shaped groove of the second connecting rod to point to the bolt hole of the cabinet door at 90 degrees with the fourth telescopic mark post, aligning the third telescopic mark post with the center of the bolt hole of the cabinet door, and fastening the third telescopic mark post and the fourth telescopic mark post.
And seventhly, operating an operating mechanism of the hydraulic jack, and synchronously lifting the Z-shaped lifting mechanism and the fourth telescopic mark post at the moment.
Step eight, the first buzzer electrode fixed on the fourth telescopic mark post continuously rises, when the second telescopic mark post and the third telescopic mark post reach the same height, the second buzzer electrode fixed on the second connecting rod is in contact with the first buzzer electrode, the alarm loop is conducted, personnel are informed of not needing to continue to operate, the operating mechanism of the jack is limited, and the switch cabinet and the device are strictly prevented from being damaged by continuous operation.
And step nine, fastening the cabinet door by using a bolt by a worker.
Step ten, after the jacking operation is finished, the second telescopic mark post and the third telescopic mark post are outwards pulled and folded along the L-shaped groove of the connecting rod and are parallel to the first telescopic mark post and the fourth telescopic mark post, so that the device is convenient to store.
As shown in fig. 1, the present embodiment uses KYN (armored ac metal-enclosed switchgear) series, the standard size width × depth × height of which is 1200mm × 3100mm × 2600mm, the size of the cabinet door is 1200mm × thickness × height × 50mm × 2500mm, the cabinet door is made of cold-rolled steel plate, and the density of which is 7.9g/cm3And the weight of the cabinet door is 1185 kg. L is1＝1200mm,L2＝L3＝1200mm。
The control method comprises the following steps of,
(1) calculating the weight of the cabinet door, and measuring the width L of the cabinet door1The jacking force F of the hydraulic jack is 5806.5N calculated by the formula (1) and is 1200 mm;
(2) selecting a hydraulic jack with the driving force not less than the jacking force according to the calculated jacking force of the hydraulic jack;
(3) designing and processing a Z-shaped lifting mechanism according to the calculated jacking force of the hydraulic jack, as shown in FIG. 3;
(4) and (4) executing the step (4) to (10) to finish the automatic height adjustment and calibration of the cabinet door of the switch cabinet of the power station.
When the hydraulic jack jacks up, the jacking force and the horizontal component force received by the hinge are as shown in fig. 4, when the hydraulic jack has jacking action, because a vertical upward jacking force F is applied to the lower right corner of the cabinet door, the force F in the X-axis direction of the hinge is reduced along with the increase of the jacking force F, when the jacking force reaches 5806.5N, the force F in the X-axis direction of the cabinet door is 0, at the moment, the cabinet door can be jacked by the jack, and the system is in a static balance state.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a transformer substation's cubical switchboard cabinet door automatic height-adjusting calibrating device, includes hydraulic jack (11), its characterized in that:
a first telescopic marker post (1) is vertically welded on a base of the hydraulic jack (11), and the top end of the first telescopic marker post (1) is horizontally connected with a second telescopic marker post (2) through a first connecting rod (5);
the top of a piston of the hydraulic jack (11) is fixedly connected with a Z-shaped lifting mechanism (9) through a screw, a fourth telescopic mark post (4) is vertically welded above the Z-shaped lifting mechanism (9), and the top end of the fourth telescopic mark post (4) is horizontally connected with a third telescopic mark post (3) through a second connecting rod (6);
a first buzzer electrode (7) is fixed on the first connecting rod (5); and a second buzzer electrode (8) is fixed on the second connecting rod (6).
2. The automatic height-adjusting calibrating device for the cabinet door of the transformer substation switch cabinet according to claim 1, characterized in that:
the first telescopic marker post (1), the second telescopic marker post (2), the third telescopic marker post (3) and the fourth telescopic marker post (4) are all composed of two hollow stainless steel pipes, the bottom stainless steel pipe is provided with threads, and the middle of the bottom stainless steel pipe is screwed and fixed by a locking nut (10).
3. The automatic height-adjusting calibrating device for the cabinet door of the transformer substation switch cabinet according to claim 1, characterized in that:
an L-shaped groove is formed above the first connecting rod (5), the first telescopic mark post (1) is sleeved under the first connecting rod (5) through a bonding process, and the L-shaped groove above is fixedly connected with the second telescopic mark post (2) through a rivet;
the upper portion of the second connecting rod (6) is provided with an L-shaped groove, the lower portion of the second connecting rod (6) is sleeved with a fourth telescopic mark post (4) through a bonding process, and the L-shaped groove in the upper portion is fixedly connected with a third telescopic mark post (3) through a rivet.
4. The automatic height-adjusting calibrating device for the cabinet door of the transformer substation switch cabinet according to claim 1, characterized in that:
the first buzzer electrode (7) is fixedly connected to the first connecting rod (5) through a screw, and the first buzzer electrode (7) is provided with a protruding copper contact;
the second buzzer electrode (8) is fixedly connected to the second connecting rod (6) through a screw, the second buzzer electrode (8) is provided with a groove, an annular copper sheet is fixed in the groove, and other parts of the buzzer electrode are made of plastic materials.
5. The automatic height-adjusting calibrating device for the cabinet door of the transformer substation switch cabinet according to claim 1, characterized in that:
the Z-shaped lifting mechanism (9) is in a Z-shaped structure with two right-angled corners and is made of No. 45 steel.
6. A control method of the automatic height-adjusting calibrating device for the cabinet door of the substation switch cabinet based on any one of claims 1 to 5 is characterized by comprising the following steps:
s1, calculating the weight of the cabinet door, and measuring the width L of the cabinet door1Calculating to obtain the jacking force of the hydraulic jack;
s2, obtaining the jacking force of the hydraulic jack according to the calculation, and selecting the hydraulic jack with the driving force not less than the jacking force;
s3, designing and processing a Z-shaped lifting mechanism according to the calculated jacking force of the hydraulic jack;
s4, a piston of the hydraulic jack (11) is fastened with the Z-shaped lifting mechanism (9) through a screw, and the Z-shaped lifting mechanism (9) is tightly attached to the cabinet door;
s5, extending the first telescopic marker post (1), pulling the second telescopic marker post (2) to point to the bolt hole of the cabinet body at 90 degrees with the first telescopic marker post (1) along the L-shaped groove of the first connecting rod (5), and aligning with the bolt hole of the cabinet body, and fastening the rod bodies of the two telescopic marker posts respectively through fastening nuts;
s6, extending the fourth telescopic mark post (4), pulling the third telescopic mark post (3) to point to a cabinet door bolt hole at 90 degrees with the fourth telescopic mark post (4) along an L-shaped groove of the second connecting rod (6), aligning the third telescopic mark post (3) with the center of the cabinet door bolt, and fastening the third telescopic mark post (3) and the fourth telescopic mark post (4);
s7, operating an operating mechanism of the hydraulic jack (11), and synchronously lifting the Z-shaped lifting mechanism (9) and the fourth telescopic mark post (4);
s8, a first buzzer electrode (7) fixed on a fourth telescopic marker post (4) continuously rises, when a second telescopic marker post (2) and a third telescopic marker post (3) reach the same height, a second buzzer electrode (8) fixed on a second connecting rod (6) is in contact with the first buzzer electrode (7), an alarm loop is conducted, personnel are informed of not needing to continue to operate, an operating mechanism of a hydraulic jack (11) is limited, and the switch cabinet and the device are prevented from being damaged by continuous operation;
s9, fastening the cabinet door by a worker through bolts;
s10, after the jacking operation is finished, the second telescopic mark post (2) and the third telescopic mark post (3) are outwards pulled and folded along the L-shaped groove of the connecting rod and are parallel to the first telescopic mark post (1) and the fourth telescopic mark post (4).
7. The control method of the automatic height-adjusting calibrating device for the cabinet door of the transformer substation switch cabinet according to claim 6, characterized in that:
specifically, the step S1 is,
hydraulic pressure thousandLifting of jack Fx1、Fx2、Fx3Is zero, Fy1＝Fy2＝Fy3The jacking force F of the hydraulic jack is obtained by calculation according to a formula
Wherein, Fx1、Fx2、Fx3、Fy1、Fy2、Fy3The components of the three hinges of the cabinet door in the directions of the X axis and the Y axis of the transverse axis, G is the self gravity of the cabinet door, and L is1The width of the cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111423537.5A CN114109204B (en) | 2021-11-26 | 2021-11-26 | Automatic height adjustment calibration device for cabinet door of transformer substation switch cabinet and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111423537.5A CN114109204B (en) | 2021-11-26 | 2021-11-26 | Automatic height adjustment calibration device for cabinet door of transformer substation switch cabinet and control method |
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| CN114109204A true CN114109204A (en) | 2022-03-01 |
| CN114109204B CN114109204B (en) | 2023-06-20 |
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| CN210342582U (en) * | 2019-05-16 | 2020-04-17 | 曹俊清 | A elevation regulator for preventing fire door |
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| CN112211488A (en) * | 2020-09-29 | 2021-01-12 | 河南肆点零信息科技有限公司 | Computer intelligence production line protector |
| CN112736680A (en) * | 2020-12-26 | 2021-04-30 | 公超 | Energy-saving power distribution cabinet |
| CN214337210U (en) * | 2021-02-26 | 2021-10-01 | 湖南华电云通电力技术有限公司 | Data integration platform cabinet installed in control room of transformer substation |
| CN214506244U (en) * | 2021-04-19 | 2021-10-26 | 南京苏尔机电科技有限公司 | Low-voltage switch cabinet with busbar temperature detection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4922659A (en) * | 1986-01-31 | 1990-05-08 | Luigi Muccioli | Adjustable metal door and frame therefor |
| JP2006118299A (en) * | 2004-10-25 | 2006-05-11 | Hokoku Kogyo Co Ltd | Opening/closing device for horizontally sliding gate |
| CN109610960A (en) * | 2018-11-15 | 2019-04-12 | 国网浙江杭州市临安区供电有限公司 | A kind of cabinet door adjuster for switchgear |
| CN209413584U (en) * | 2018-11-15 | 2019-09-20 | 国网浙江杭州市临安区供电有限公司 | A kind of portable door of switch cabinet adjuster |
| CN210342582U (en) * | 2019-05-16 | 2020-04-17 | 曹俊清 | A elevation regulator for preventing fire door |
| CN110752517A (en) * | 2019-11-05 | 2020-02-04 | 山东厚俞实业有限公司 | Waterproof liftable formula medium voltage switchgear |
| CN211448387U (en) * | 2019-12-25 | 2020-09-08 | 上海徽锋人防工程设备有限公司 | Explosion-proof ripples valve |
| CN112211488A (en) * | 2020-09-29 | 2021-01-12 | 河南肆点零信息科技有限公司 | Computer intelligence production line protector |
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| CN214337210U (en) * | 2021-02-26 | 2021-10-01 | 湖南华电云通电力技术有限公司 | Data integration platform cabinet installed in control room of transformer substation |
| CN214506244U (en) * | 2021-04-19 | 2021-10-26 | 南京苏尔机电科技有限公司 | Low-voltage switch cabinet with busbar temperature detection function |
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| CN114109204B (en) | 2023-06-20 |
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