CN111641150B

CN111641150B - Convenient handcart rocking handle device for upper limit position and lower limit position of switch cabinet

Info

Publication number: CN111641150B
Application number: CN202010498710.7A
Authority: CN
Inventors: 耿凯; 刘文君; 赵如杰; 荣庆玉
Original assignee: Shandong Zhong'an Electric Power Technology Co ltd
Current assignee: Shandong Zhong'an Electric Power Technology Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-05-18
Anticipated expiration: 2040-06-04
Also published as: CN111641150A

Abstract

The invention relates to a rocking handle device of a convenient handcart for upper and lower limit positions of a switch cabinet, belonging to the field of power equipment. Including connecting, the joint work end sets up the mating holes, and the mating holes cooperates with the square head of handcart screw rod, connects the dwang through universal shaft coupling to the tail end, and the coaxial fixed carousel of dwang tip connects coaxial fixing bearing, and the articulated connecting rod of bearing inner race connects the first magnet board of connecting rod end portion, and the fixed sled board of magnet tail end fixes the stay cord on the sled board, fixes the pull ring on the stay cord. Can fix the joint part, avoid taking off the handle, to last extreme spacing can all reduce the operating position with rising in order to make things convenient for the operation, can not take place the winding with insulating gloves, simple structure, convenient to use.

Description

Convenient handcart rocking handle device for upper limit position and lower limit position of switch cabinet

Technical Field

The invention relates to a rocking handle device of a convenient handcart for upper and lower limit positions of a switch cabinet, belonging to the field of power equipment.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch circuit is arranged according to the requirement of the branch circuit, and the switch cabinet is mainly used for opening, closing, controlling and protecting the electrical device in the process of generating, transmitting, distributing and converting electric energy of an electric power system.

The switch cabinet needs operating personnel to rotate the screw rod through the rocking handle, and the screw rod drives the handcart to enter an overhaul position or a working position through a feeding mode. The handcart of part mobile switch cabinet sets up unreasonablely, and the distance between rocking handle and the ground is too short or rocking handle position is too high to trouble in the transportation has been brought for operating personnel. The rocking handle needs to rotate the screw, the position of the screw is too high, the position of the rocking handle needing to rotate is higher than the height of the screw, and the upper limit position is inconvenient for short operators or female operators; the screw rod position is low excessively, and the rocking handle can be blockked by ground, needs the dismouting to come rotatory screw rod repeatedly, and this kind of lower extreme position is also very inconvenient. The shape of portable cubical switchboard rocking handle is "Z" shape, when operating personnel carries out the during operation with it, because reasons such as height, the unable even power of operating personnel can appear rocking handle axle center not on a straight line, this stability that just leads to the rocking handle descends, operating personnel does not have the stress point to "take off the handle" in leading to the operation, the emergence of this kind of "taking off the handle" phenomenon can lead to equipment life's reduction, for example the wearing and tearing of screw rod side head and the colliding with of the cabinet body with higher speed. When an operator uses the rocking handle to perform the switching operation, the phenomenon that the insulating gloves are wound around the rocking handle due to the friction force between the rocking handle and the insulating gloves often occurs, so that the normal operation of the operation is influenced.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the invention are as follows: the utility model provides a convenient handcart rocking handle device of extreme position about cubical switchboard can fix the butt joint part, avoids taking off the handle, to the extreme position about all can reduce the operating position with rising with convenient operation, can not take place the winding with insulating gloves, simple structure, convenient to use.

The handcart crank device convenient for the upper limit position and the lower limit position of the switch cabinet comprises a connector, wherein a fitting hole is formed in the working end of the connector and is matched with the square head of a handcart screw rod, the tail end of the connector is connected with a rotating rod through a universal shaft coupler, a rotating disc is coaxially fixed at the end part of the rotating rod, a bearing is coaxially fixed on the connector, a connecting rod is hinged to the outer ring of the bearing, a first magnet plate is fixed at the end part of the connecting rod, a pry plate is fixed at the tail end of a magnet, a pull rope is fixed on the pry plate;

when the screw rod of low level needs to be fed, will connect the patchhole that inserts on the cubical switchboard casing and cooperate with the square head, tile first magnet board subaerial, then step on first magnet board with the foot, connecting rod fore-set bearing, and then will connect the rigidity, prevent that it from deviating from, rotatory carousel, carousel drive the dwang rotation, the dwang passes through the universal shaft coupling and drives the joint rotation, and then rotatory screw rod, the screw rod drives the handcart and feeds. The turntable can rotate to a high position to rotate without being limited by a low-position insertion hole, and meanwhile, the operator is not easy to fatigue;

when needing to feed high-order screw rod, will connect the patchhole that inserts on the cubical switchboard casing and cooperate with the square head, adsorb first magnet board on the cubical switchboard casing, connecting rod fore-set bearing, and then will connect the rigidity, prevent it to deviate from, rotatory carousel, the carousel drives the dwang rotatory, the dwang passes through universal coupling and drives to connect rotatoryly, and then rotatory screw rod, the screw rod drives the handcart and feeds, the hand power pull ring after the operation is accomplished, the prying plate is with first magnet board perk and separation. The carousel can rotate to low department and rotate, does not receive the restriction of high-order patchhole, and operating personnel is also difficult for tired simultaneously, as long as operating personnel can be connected joint and square head can, need not rotate to the eminence like traditional rocking handle, and operating personnel just can realize the removal of handcart below the patchhole.

Because the existence of universal shaft coupling, operating personnel can select comfortable position rotation carousel, alleviates operating personnel's fatigue.

Including the U-shaped frame, U-shaped frame inner wall interval and carousel thickness cooperation, the roller is changeed to installation magnetism in the U-shaped frame, changes the roll surface and the iron carousel side actuation of roller, articulated second magnet board on the U-shaped frame, and the sled board is fixed to second magnet board tail end, fixes the stay cord on the sled board, fixes the pull ring on the stay cord. With the direct actuation of second magnet board on the casing of cubical switchboard, and then with the rigidity of U-shaped frame, this kind of carousel, dwang and casing just form firm triangle-shaped structure, the position of changeing the fixed carousel of roller does not restrict its rotation, the removal of handcart is realized just can rotatory carousel to people one hand, especially need not lift both hands operation always when to high-order operation, can reduce fatigue by a wide margin, the dwang does not contact with the staff simultaneously, can avoid gloves and dwang winding together.

The rotating rollers are a plurality of and are circumferentially and uniformly distributed in the U-shaped frame by taking the center of the rotating disc as a circle center. A plurality of rollers can better adsorb fixed carousel, avoid it to break away from.

The rotary table is made of plastic, a circle of iron sheet is fixed on the peripheral side of the rotary table, and the rotary table is attracted with the rotary roller through the iron sheet, so that the whole weight of the rotary table can be greatly reduced.

The rotating handle is fixed on the rotating disk, the U-shaped frame does not obstruct the revolution of the rotating handle, and the rotating handle can be operated conveniently.

The position that is close to the edge on the carousel quotation sets up annular groove, sets up the arch on the U-shaped frame inner wall, and protruding and recess cooperation can avoid carousel and U-shaped frame to break away from like this.

The first magnet plate, the second magnet plate and the rotating roller are all made of neodymium iron boron magnetic materials, and are large in magnetic force and firm in fixation.

Compared with the prior art, the invention has the beneficial effects that:

according to the handle device for the convenient handcart with the upper limit position and the lower limit position of the switch cabinet, when a screw rod with the lower limit position needs to be fed, the joint is inserted into the insertion hole in the shell of the switch cabinet and matched with the square head, the first magnet plate is flatly laid on the ground, then the first magnet plate is stepped by feet, the column bearing is connected with the rod, the position of the joint is fixed and prevented from falling off, the rotary disc is rotated, the rotary disc drives the rotary rod to rotate, the rotary rod drives the joint to rotate through the universal shaft coupler, the screw rod is further rotated, and the handcart is driven to be fed by the screw rod. The turntable can rotate to a high position without being limited by a low-position insertion hole, and meanwhile, the operator is not easy to fatigue; when the high-order screw rod needs to be fed, the connector is inserted into the insertion hole in the switch cabinet shell and matched with the square head, the first magnet plate is adsorbed on the switch cabinet shell, the connecting rod ejection column bearing is used for fixing the connector position and preventing the connector from being separated, the rotary turntable drives the rotary rod to rotate, the rotary rod drives the connector to rotate through the universal coupling, the screw rod rotates, the screw rod drives the handcart to feed, the pull ring is pulled by hand after the operation is completed, and the first magnet plate is tilted and separated by the prying plate. The carousel can rotate to low department and rotate, does not receive the restriction of high-order insert hole, and operating personnel is also difficult for tired simultaneously, as long as operating personnel can be connected joint and square head can, need not rotate to the eminence like traditional rocking handle, operating personnel just can realize the removal of handcart below the patchhole. Can fix the joint part, avoid taking off the handle, to last extreme spacing can all reduce the operating position with rising in order to make things convenient for the operation, can not take place the winding with insulating gloves, simple structure, convenient to use.

Drawings

FIG. 1 is a schematic diagram of the high limit operation of an embodiment of the present invention;

FIG. 2 is a schematic view of the low limit operation of an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of embodiment A shown in FIG. 1;

FIG. 4 is a schematic cross-sectional view of embodiment B-B shown in FIG. 3.

In the figure: 1. a housing; 2. a bearing; 3. a joint; 4. a mating hole; 5. a universal shaft coupling; 6. rotating the rod; 7. a connecting rod; 8. a first magnet plate; 9. a turntable; 10. turning a handle; 11. a second magnet plate; 12. an insertion hole; 13. a screw; 14. a square head; 15. a pry plate; 16. a pull ring; 17. pulling a rope; 18. a groove; 19. a protrusion; 20. a U-shaped frame; 21. and (5) rotating the roller.

Detailed Description

Embodiments of the invention are further described below with reference to the accompanying drawings:

as shown in fig. 1-4, the handcart crank device convenient for upper and lower limit positions of a switch cabinet comprises a connector 3, wherein a fitting hole 4 is formed in the working end of the connector 3, the fitting hole 4 is fitted with a square head 14 of a handcart screw 13, the tail end of the connector 3 is connected with a rotating rod 6 through a universal coupling 5, a rotating disk 9 is coaxially fixed at the end part of the rotating rod 6, a bearing 2 is coaxially fixed on the connector 3, a connecting rod 7 is hinged to the outer ring of the bearing 2, a first magnet plate 8 is fixed at the end part of the connecting rod 7, a pry plate 15 is fixed at the tail end of a magnet, a pull rope 17 is fixed on the pry plate 15, and a;

when screw 13 of low level needs to be fed, insert patchhole 12 on the cubical switchboard casing 1 and cooperate with square head 14 with joint 3, tile first magnet board 8 subaerial, then step on first magnet board 8 with the foot, connecting rod 7 fore-set bearing 2, and then will connect 3 rigidity, prevent it and deviate from, rotatory carousel 9, carousel 9 drives dwang 6 rotatory, dwang 6 drives through universal shaft coupling 5 and connects 3 rotatoryly, and then rotatory screw 13, screw 13 drives the handcart and feeds. The rotary table 9 can rotate to a high position without being limited by the low-position insertion hole 12, and meanwhile, the operator is not easy to fatigue;

when needing to feed high-order screw rod 13, insert patchhole 12 on the cubical switchboard casing 1 and cooperate with square head 14 with joint 3, adsorb first magnet board 8 on the cubical switchboard shell, connecting rod 7 fore-set bearing 2, and then will connect 3 rigidity, prevent it and deviate from, carousel 9 rotates, carousel 9 drives dwang 6 rotatory, dwang 6 drives joint 3 through universal shaft coupling 5 and rotates, and then rotatory screw rod 13, screw rod 13 drives the handcart and feeds, operation completion back hand power pull ring 16, prying plate 15 is with the perk of first magnet board 8 and separation. Carousel 9 can rotate to the low position and rotate, does not receive the restriction of high-order patchhole 12, and simultaneously operating personnel is also difficult for tired, as long as operating personnel can be connected joint 3 and square head 14 can, need not rotate to the eminence like traditional rocking handle, and operating personnel just can realize the removal of handcart below patchhole 12.

Due to the universal shaft coupler 5, an operator can select a comfortable position to rotate the rotary table 9, and the fatigue of the operator is relieved.

The magnetic rotary drum comprises a U-shaped frame 20, the distance between the inner walls of the U-shaped frame 20 is matched with the thickness of a rotary disc 9, a magnetic rotary drum 21 is installed in the U-shaped frame 20, the roller surface of the rotary drum 21 is attracted with the side surface of the iron rotary disc 9, a second magnet plate 11 is hinged to the U-shaped frame 20, a prying plate 15 is fixed to the tail end of the second magnet plate 11, a pull rope 17 is fixed to the prying plate 15, and a pull ring 16 is fixed to the pull rope 17. With the direct actuation of second magnet board 11 on the casing 1 of cubical switchboard, and then with the rigidity of U-shaped frame 20, carousel 9 like this, dwang 6 and casing 1 just form firm triangle-shaped structure, the position of the fixed carousel 9 of commentaries on classics roller 21 does not restrict its rotation, the removal that the handcart was realized to people one hand just can rotatory carousel 9, especially need not lift both hands operation always when to high-order operation, can reduce the fatigue by a wide margin, the commentaries on classics pole 6 does not contact with the staff simultaneously, can avoid gloves and the 6 twines of dwang together.

The rotating rollers 21 are a plurality of and are circumferentially and uniformly distributed in the U-shaped frame 20 by taking the center of the rotating disc 9 as a circle center. The plurality of rollers 21 can better adsorb the fixed turntable 9 to prevent the fixed turntable from being separated.

The rotary table 9 is made of plastic, a circle of iron sheet is fixed on the peripheral side of the rotary table, and the iron sheet is attracted with the rotary roller 21, so that the whole weight of the device can be greatly reduced.

The rotating handle 10 is fixed on the rotating disk 9, the U-shaped frame 20 does not obstruct the rotating handle 10 from revolving round, and the rotating handle 10 can be operated conveniently.

An annular groove 18 is formed in the position, close to the edge, of the disc surface of the rotary disc 9, a protrusion 19 is arranged on the inner wall of the U-shaped frame 20, and the protrusion 19 is matched with the groove 18, so that the rotary disc 9 can be prevented from being separated from the U-shaped frame 20.

The first magnet plate 8, the second magnet plate 11 and the rotating roller 21 are all made of neodymium iron boron magnetic materials, and are large in magnetic force and firm in fixation.

These and other changes can be made to the present apparatus with reference to the above detailed description. While the above detailed description describes certain embodiments of the invention and describes the best mode contemplated, no matter how detailed the above appears in text, the system can be practiced in many ways. The details of the local-based support device, although considerable variation in its implementation details is possible, are nevertheless contained within the device disclosed herein. As noted above, particular technical terms used in describing particular features or aspects of the present apparatus do not imply that the terms are redefined herein to be restricted to specific characteristics, features, or aspects of the system with which the terms are associated. In general, the terms used in the following claims should not be construed to limit the system to the specific embodiments disclosed in the specification, unless the above detailed description section explicitly defines such terms. Accordingly, the actual scope of the system encompasses not only the disclosed embodiments, but also all equivalent ways of practicing or implementing the apparatus covered by the claims.

Claims

1. The utility model provides a convenient handcart rocking handle device of extreme position about cubical switchboard which characterized in that: the device comprises a connector (3), wherein a matching hole (4) is formed in the working end of the connector (3), the matching hole (4) is matched with a square head (14) of a handcart screw rod (13), the tail end of the connector (3) is connected with a rotating rod (6) through a universal shaft coupler (5), a rotating disk (9) is coaxially fixed at the end part of the rotating rod (6), a bearing (2) is coaxially fixed on the connector (3), the outer ring of the bearing (2) is hinged with a connecting rod (7), a first magnet plate (8) is fixed at the end part of the connecting rod (7), a pry plate (15) is fixed at the tail end of a magnet, a pull rope (17) is fixed on the pry plate (15;

when a low-position screw (13) needs to be fed, the connector (3) is inserted into an insertion hole (12) in a switch cabinet shell (1) and is matched with a square head (14), a first magnet plate (8) is tiled on the ground, then the first magnet plate (8) is stepped by feet, a connecting rod (7) abuts against a bearing (2), the position of the connector (3) is fixed and is prevented from being separated, a rotary disc (9) is rotated, the rotary disc (9) drives a rotary rod (6) to rotate, the rotary rod (6) drives the connector (3) to rotate through a universal shaft coupler (5), the screw (13) is further rotated, and the screw (13) drives a handcart to feed;

when screw rod (13) of high-order needs to be fed, insert patchhole (12) on cubical switchboard casing (1) and cooperate with square head (14) with joint (3), adsorb first magnet board (8) on the cubical switchboard shell, connecting rod (7) withhold bearing (2), and then live joint (3) rigidity, prevent it and deviate from, rotatory carousel (9), carousel (9) drive dwang (6) are rotatory, dwang (6) drive joint (3) through universal shaft coupling (5) and rotate, and then rotatory screw rod (13), screw rod (13) drive handcart feed, hand pull ring (16) is pulled to the back hand power after the operation is accomplished, pry plate (15) are with first magnet board (8) perk and separation.

2. The upper limit position and lower limit position convenient handcart rocking handle device of the switch cabinet according to claim 1, characterized in that: including U-shaped frame (20), U-shaped frame (20) inner wall interval and carousel (9) thickness cooperation, installation magnetism changes roller (21) in U-shaped frame (20), the roll surface and the iron carousel (9) side actuation of changing roller (21), articulated second magnet board (11) are gone up in U-shaped frame (20), second magnet board (11) tail end fixed sled board (15), fixed stay cord (17) are gone up in sled board (15), fixed pull ring (16) are gone up in stay cord (17), directly the actuation is gone up in second magnet board (11) on casing (1) of cubical switchboard, and then with the rigidity of U-shaped frame (20), carousel (9) like this, dwang (6) and casing (1) just form firm triangle-shaped structure, change the position of roller (21) fixed carousel (9) and do not restrict its rotation.

3. The upper limit position and lower limit position convenient handcart rocking handle device of the switch cabinet according to claim 2, characterized in that: the rotating rollers (21) are a plurality of and are circumferentially and uniformly distributed in the U-shaped frame (20) by taking the center of the rotating disc (9) as the center of a circle.

4. The upper limit position and lower limit position convenient handcart rocking handle device of the switch cabinet according to claim 2, characterized in that: the rotary disc (9) is made of plastic, a circle of iron sheet is fixed on the peripheral side of the rotary disc, and the rotary disc is attracted with the rotary roller (21) through the iron sheet.

5. The upper limit position and lower limit position convenient handcart rocking handle device of the switch cabinet according to claim 1, characterized in that: the rotating handle (10) is fixed on the rotating disc (9), and the U-shaped frame (20) does not obstruct the rotating handle (10) from revolving.

6. The upper limit position and lower limit position convenient handcart rocking handle device of the switch cabinet according to claim 2, characterized in that: an annular groove (18) is formed in the position, close to the edge, of the disc surface of the rotary disc (9), a protrusion (19) is arranged on the inner wall of the U-shaped frame (20), and the protrusion (19) is matched with the groove (18).

7. The upper limit position and lower limit position convenient handcart rocking handle device of the switch cabinet according to claim 2, characterized in that: the first magnet plate (8), the second magnet plate (11) and the rotating roller (21) are all made of neodymium iron boron magnetic materials.