CN107394552B - Switch cabinet grounding wire mounting and dismounting device and operation method - Google Patents
Switch cabinet grounding wire mounting and dismounting device and operation method Download PDFInfo
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- CN107394552B CN107394552B CN201710780439.4A CN201710780439A CN107394552B CN 107394552 B CN107394552 B CN 107394552B CN 201710780439 A CN201710780439 A CN 201710780439A CN 107394552 B CN107394552 B CN 107394552B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
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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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- Power Engineering (AREA)
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Abstract
The invention discloses a device and an operation method for installing and dismantling a grounding wire of a switch cabinet, including base, two stands, entablature, bottom end rail, depth position adjustment mechanism and earth connection chuck fixture, wherein: the two upright posts are used as a supporting upper beam and a lower beam; the lower cross beam can move up and down along the two upright posts, and a left pushing mechanism and a right pushing mechanism for pushing a valve lifting shaft of the switch cabinet are arranged on the left side and the right side of the lower cross beam; the upper cross beam can move up and down along the upright post, and a second driving mechanism for driving the upper cross beam to move up and down is arranged on the upper cross beam; the depth position adjusting mechanism is used for adjusting the depth position of the ground wire clamping head clamping mechanism, and the ground wire clamping head clamping mechanism is used for clamping the ground wire clamping head, and the clamping head opening is opened or closed; compared with the prior art, the invention has the advantages of convenient operation, time and labor saving, high wire connection and disconnection efficiency, suitability for work in narrow and small positions, and the like.
Description
Technical Field
The invention relates to a device for installing and dismantling a grounding wire of a switch cabinet and an operation method, and belongs to the technical field of safety tools and appliances of power systems.
Background
The electric power high-voltage switch cabinet is an important component part in primary equipment in the electric power system, has the advantages of compact structure, small occupied area, reliable operation and the like, and is extremely widely applied to the electric power system. With the increase of the service life of the device, the faults are more and more, power failure maintenance is often needed, and in the maintenance process, in order to ensure the safety of construction operation, a closed ground wire is needed to be arranged in the construction environment so as to ensure the safety of constructors. Because the structural feature of cubical switchboard itself often can lead to the inconvenient articulated of earth connection, when needs are articulated the earth connection in contact position, conventional earth connection articulated method can hardly go on, often needs the installation of many people's cooperation just can carry out an earth connection, and the installation effect is relatively poor.
For the movable switch cabinet, due to the arrangement of the safety baffle valve, after the breaker trolley is operated outside the cabinet, the safety baffle valve can automatically close the contact part under the action of the mechanism of the safety baffle valve, so that personnel can be prevented from touching the contact to ensure safety. However, if the contact part is to be grounded, the safety valve baffle plate is so existed that the staff cannot check electricity and install the grounding wire, if the installation is needed, the valve baffle plate is manually opened for operation only by a plurality of people, and the problems of time and labor waste, extremely unsafe and the like are caused. For a fixed switch cabinet, due to compact structural arrangement, a worker is difficult to install the grounding wire in a narrow space, and a lot of time is required to install the grounding wire. The shape of the current switch cabinet static contact is cylindrical and flat square, and the structure of the current grounding wire is only suitable for flat square, so that the grounding wire is not firm to mount and contact due to the adoption of the cylindrical shape, the grounding effect is affected, and potential safety hazards are caused.
Disclosure of Invention
The invention aims to solve the technical problems that: the device and the method for installing and dismantling the grounding wire of the switch cabinet have the advantages of being convenient to operate, time-saving and labor-saving, high in wire connection and disconnection efficiency, suitable for working in a narrow position and the like, and can overcome the defects of the prior art.
The technical scheme of the invention is as follows: the utility model provides a cubical switchboard earth connection installation, demolishs device, includes base, two stands, entablature, bottom end rail, depth position adjustment mechanism and earth connection chuck fixture, wherein:
the two upright posts are respectively arranged at two sides of the base and used as a supporting upper cross beam and a lower cross beam;
the lower beam, both sides are movably installed on two upright posts, can move up and down along the two upright posts, a first driving mechanism for driving the lower beam to move up and down is arranged on the lower beam, a left pushing mechanism for pushing a left valve lifting shaft of the switch cabinet is arranged on the left side of the lower beam, and a right pushing mechanism for pushing a right valve lifting shaft of the switch cabinet is arranged on the right side of the lower beam, wherein the right pushing mechanism can move along the length direction of the lower beam;
one end of the upper cross beam is movably arranged on one of the upright posts and can move up and down along the upright post, and a second driving mechanism for driving the upper cross beam to move up and down is arranged on the upper cross beam;
the depth position adjusting mechanism comprises a first screw rod which is arranged perpendicular to the free end of the upper beam in the horizontal direction, a sliding block is arranged at the end part of the first screw rod, a first motor is arranged on the other side surface of the sliding block opposite to the first screw rod, a rotating shaft of the first motor is connected with one end of a first connecting rod, the other end of the first connecting rod is connected with a second connecting rod through a second motor, and the depth positions of the first connecting rod and the second connecting rod can be adjusted by rotating the first motor and the second motor;
the clamping mechanism of the ground wire clamp comprises a second connecting rod, a clamping piece, a third motor and a shaft pin, wherein the middle part of the clamping piece is connected with the third motor arranged on the other surface of the second connecting rod through a clamping screw rod, one end of the clamping piece is connected with the second connecting rod through the shaft pin, a gap between the clamping piece and the second connecting rod is used for clamping the ground wire clamp, and the size of the gap between the clamping piece and the second connecting rod can be adjusted by rotating the second motor, so that the clamping, the opening and the closing of the ground wire clamp can be realized.
The ground wire chuck includes punch holder, lower plate, apron, axle, reset spring and soft copper ground wire, and soft copper ground wire is connected with the punch holder, and the centre gripping inner wall of punch holder is semi-circular, and the centre gripping inner wall of lower plate is the slot type, and the punch holder articulates epaxially through last swivel mount, and the lower plate articulates epaxially through lower swivel mount, is provided with the apron at the both ends of axle, and the extension section between punch holder and the lower plate is provided with reset spring, after releasing clamping force, reset spring can drive punch holder and lower plate rotatory realization centre gripping function.
The first driving mechanism comprises a first worm wheel and a first worm which are arranged at the middle part of the lower cross beam, the first worm wheel and the first worm are meshed with each other, the lower end of the first worm is connected to the base, the end part of the first worm wheel is quadrangle, and the upper and lower movement of the lower cross beam can be realized by rotating the first worm wheel.
The left pushing mechanism comprises a left push rod, a left screw rod, a left supporting piece and a left motor, wherein the bottom of the left supporting piece is connected to the upper end face of the lower cross rod, one end of the left screw rod penetrates through the left supporting piece to be connected with the left motor arranged on the other surface of the left supporting piece, the other end of the left screw rod is connected with the left push rod, and the left screw rod and the left push rod can extend and retract by rotating the left motor.
The right side pushing mechanism comprises a right push rod, a right screw rod, a right support piece and a right motor, wherein the bottom of the right support piece is connected with a moving screw rod arranged along the length direction of a lower beam, two ends of the moving screw rod are arranged in a groove on the lower beam through bearings, the outer side of the moving screw rod extends out of the end face of the lower beam, the outer end of the moving screw rod is quadrangle, the horizontal movement of the right support piece can be realized through rotating the moving screw rod, one end of the right screw rod penetrates through the right support piece and is connected with a right motor arranged on the other surface of the right support piece, the other end of the left screw rod is connected with the right push rod, and the extension and contraction of the left screw rod and the right push rod can be realized through rotating the right motor.
The second driving mechanism comprises a fixing piece arranged on the outer wall surface of the upright post movably connected with the upper cross beam, a second worm wheel and a second worm are arranged on the fixing piece and meshed with each other, the end part of the second worm wheel is quadrangle, the upper end of the second worm is connected with the lower bottom surface of the upper cross beam, and the upper cross beam can move up and down by rotating the second worm wheel.
The end part of the other side, opposite to the sliding block, of the first screw rod is quadrangle.
A guide rod is arranged on the upper cross beam along the moving direction of the first screw rod, and the other end of the guide rod passes through the sliding block.
The bottom surface of the base is provided with travelling wheels.
The operation method of the installation and dismantling device of the grounding wire of the switch cabinet comprises the following steps of:
(1) After the device is electrified, the position of the lower cross beam is moved through the first driving mechanism, so that a left pushing mechanism on the lower cross beam is aligned with a valve lifting shaft on the left side of the switch cabinet, the horizontal position of a right pushing mechanism is adjusted, the left pushing mechanism and the right pushing mechanism are started to push the valve lifting shafts on the left side and the right side of the switch cabinet until the valve is completely opened;
(2) The position of the upper cross beam is moved through the second driving mechanism until the upper cross beam is kept horizontal with a contact which is required to be provided with a ground wire, the third motor is started, the ground wire clamping head clamping mechanism clamps the ground wire clamping head, the clamping head is positioned at an open position, and the clamping head is aligned to the position which is required to be provided with the contact through forward and reverse rotation of the first motor and the second motor;
(3) Driving the first screw rod to enable the opened clamping head to advance to the position of the fixed contact of the ground wire to be installed, starting the third motor to enable the clamping mechanism of the ground wire clamping head to loosen the ground wire clamping head, and enabling the clamping head to shrink and clamp on the contact under the action of the self spring to finish the installation of the ground wire;
(4) The clamping mechanism of the grounding wire clamp is far away from the contact through the forward and reverse rotation of the first motor and the second motor and the rotation of the first screw rod, and the left pushing mechanism and the right pushing mechanism are started to withdraw, so that the valve lifting shafts on the left side and the right side of the switch cabinet are loosened, and the valve is closed.
The operation method of the installation and dismantling device of the grounding wire of the switch cabinet comprises the following steps of:
(1) The device is pushed to the front of a switch cabinet door of which the grounding wire needs to be removed, the position of the lower cross beam is moved through the first driving mechanism, the left pushing mechanism on the lower cross beam is aligned with the valve lifting shaft on the left side of the switch cabinet, the horizontal position of the right pushing mechanism is adjusted to be aligned with the valve lifting shaft on the right side of the switch cabinet, the left pushing mechanism and the right pushing mechanism are started, and the valve lifting shafts on the left side and the right side of the switch cabinet are pushed until the valve is completely opened;
(2) The position of the upper cross beam is moved by the second driving mechanism until the upper cross beam is kept horizontal with a contact of the ground wire to be removed, the chuck is aligned with the position of the contact of the ground wire to be removed by forward and reverse rotation of the first motor and the second motor, and the first screw rod is driven to enable the chuck clamping mechanism of the ground wire to advance to the position of the ground wire to be removed;
(3) Starting the third motor to enable the ground wire clamping head clamping mechanism to clamp the ground wire clamping head, and continuing to exert force until the clamping head is opened and separated from the contact;
(4) The clamping mechanism of the grounding wire clamp is far away from the contact through the forward and reverse rotation of the first motor and the second motor and the rotation of the first screw rod, and the left pushing mechanism and the right pushing mechanism are started to withdraw, so that the valve lifting shafts on the left side and the right side of the switch cabinet are loosened, and the valve is closed.
The beneficial effects of the invention are as follows: compared with the prior art, the invention has the following advantages: 1. the electricity inspection of the switch cabinet and the reliable installation and removal of the grounding wire can be completed by a single person without the help of other people; 2. the requirements of different switch cabinets can be met, and reliable contact of the grounding wire is realized; 3. the grounding wire can be easily installed or removed at a small position. The invention has the advantages of ingenious design, convenient operation, time and labor saving, high connecting and disconnecting efficiency, suitability for work in narrow and small positions, and the like.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view taken along A-A in FIG. 1;
FIG. 5 is a front view of the crank handle;
FIG. 6 is a left side view of the crank handle;
FIG. 7 is an electrical control diagram of the present invention;
fig. 8 is a front view of a ground clip head end
Fig. 9 is a left side view of a ground clip head end
FIG. 10 is a sectional view taken along line B-B of FIG. 8
FIG. 11 is a cross-sectional view taken along the direction C-C in FIG. 8
Description of the drawings: 1. the upright post, 2, the base, 3, the lower cross beam, 4, the upper cross beam, 5, the first worm, 6, the first worm wheel, 7, the left screw rod, 8, the left supporting piece, 9, the left motor, 10, the left push rod, 11, the right screw rod, 12, the right supporting piece, 13, the right motor, 14, the right push rod, 15, the moving screw rod, 16, the bearing, 17, the fixed piece, 18, the second worm, 19, the second worm wheel, 20, the roller, 21, the first screw rod, 22, the guide rod, 23, the sliding block, 24, the first motor, 25, the first connecting rod, 26, the second motor, 27, the second connecting rod, 28, the third motor, 29, the clamping piece, 30, the clamping screw rod, 31, the shaft pin, 32, the battery, 33, the wheel, 34, the fixed frame with the shaft, 35, the rocking handle, 36, the upper clamping plate, 37, the lower clamping plate, 38, the cover plate, 39, the shaft, 40, the reset spring, 41, the upper rotating frame, 42, the soft copper grounding wire, 43, the lower rotating frame, K1, K2, K3, K4 and the electric switch are controlled to rotate positively and negatively.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific examples:
referring to fig. 1 to 11, the invention relates to a device for installing and dismantling a grounding wire of a switch cabinet, which comprises a base 2, two upright posts 1, an upper cross beam 4, a lower cross beam 3, a depth position adjusting mechanism and a grounding wire clamping head clamping mechanism, wherein:
the base 2 is a plane, and the bottom of the base is provided with travelling wheels, wherein the travelling wheels are connected to the bottom surface of the base 2 through a fixing frame 34 with a shaft.
The two upright posts 1 are respectively and vertically connected to two sides of the base 2 and used for supporting the upper cross beam 4 and the lower cross beam 3.
The lower beam 3, both sides are connected with the roller 20 of installing at stand 1 inner chamber, and lower beam 3 can reciprocate along stand 1, is provided with the first actuating mechanism who is used for driving lower beam 3 reciprocates on lower beam 3, and this first actuating mechanism is including setting up first worm wheel 6 and the first worm 5 in lower beam 3 middle part, first worm wheel 6 and first worm 5 intermeshing, and wherein first worm 5 lower extreme is connected on base 2, and the tip of first worm wheel 6 is the quadrangle, can realize the reciprocating of lower beam 3 through rotating first worm wheel 6.
A left pushing mechanism for pushing a left valve lifting shaft of the switch cabinet is arranged on the left side of the lower cross beam 3, the left pushing mechanism comprises a left push rod 10, a left screw rod 7, a left supporting piece 8 and a left motor 9, wherein the bottom of the left supporting piece 8 is connected to the upper end face of the lower cross beam, one end of the left screw rod 7 penetrates through the left supporting piece 8 to be connected with the left motor 9 arranged on the other surface of the left supporting piece 8, the other end of the left screw rod 7 is connected with the left push rod 10, and the left screw rod 7 and the left push rod 10 can extend and retract by rotating the left motor 9.
A right pushing mechanism for pushing a lifting shaft of a right valve of the switch cabinet is arranged on the right side of the lower beam 3, the right pushing mechanism comprises a right push rod 14, a right screw rod 11, a right support piece 12 and a right motor 13, wherein the bottom of the right support piece 12 is connected with a moving screw rod 15 arranged along the length direction of the lower beam 3, two ends of the moving screw rod 15 are arranged in a groove formed in the lower beam 3 through bearings 16, the outer side of the moving screw rod 15 extends out of the end face of the lower beam 3, the outer end of the moving screw rod 15 is square, and the horizontal movement of the right support piece 12 can be realized by rotating the moving screw rod 15; one end of the right screw rod 11 penetrates through the right supporting piece 12 to be connected with a right motor 13 arranged on the other surface of the right supporting piece 12, the other end of the left screw rod 7 is connected with a right push rod 14, and the extension and contraction of the left screw rod 7 and the right push rod 14 can be realized by rotating the right motor 13.
The upper cross beam 4, one end is connected with the roller 20 of installing at stand 1 inner chamber, and upper cross beam 4 can reciprocate along stand 1, is provided with the second actuating mechanism who is used for driving upper cross beam 4 and reciprocates on upper cross beam 4, and this second actuating mechanism is including setting up at the mounting 17 with stand 1 outer wall face of upper cross beam 4 swing joint, is provided with intermeshing's second worm wheel 19 and second worm 18 on mounting 17, and the tip of second worm wheel 19 is the quadrangle, and second worm 18 upper end is connected with upper cross beam 4 lower bottom surface, can realize upper cross beam 4's reciprocates through rotating second worm wheel 19.
The depth position adjusting mechanism comprises a first screw rod 21 which is arranged perpendicular to the free end of the upper beam 4 in the horizontal direction, a sliding block 23 is arranged at the end part of the first screw rod 21, the end part of the other side opposite to the sliding block 23 on the first screw rod 21 is in a quadrangle shape, the extending or contracting action of the depth position adjusting mechanism can be realized through the rotation of the first screw rod 21, a first motor 24 is arranged on the other side surface of the sliding block 23 opposite to the first screw rod 21, the rotating shaft of the first motor 24 is connected with one end of a first connecting rod 25, the other end of the first connecting rod 25 is connected with a second connecting rod 27 through a second motor 26, and the depth position of the first connecting rod 25 and the depth position of the second connecting rod 27 can be adjusted through rotating the first motor 24 and the second motor 26. A guide rod 22 is arranged on the upper cross beam 4 along the moving direction of the first screw rod 21, and the other end of the guide rod 22 passes through a sliding block 23, so that the depth position adjusting mechanism can move along the direction of the guide rod 22, and the accuracy of position adjustment is improved.
The ground wire chuck clamping mechanism comprises a second connecting rod 27, a clamping piece 29, a third motor 28 and a shaft pin 31, wherein the middle part of the clamping piece 29 is connected with the third motor 28 arranged on the other surface of the second connecting rod 27 through a clamping screw 30, one end of the clamping piece 29 is connected with the second connecting rod 27 through the shaft pin 31, a gap between the clamping piece 29 and the second connecting rod 27 is used for clamping the ground wire chuck, and the size of a gap between the clamping piece 29 and the second connecting rod 27 can be adjusted by rotating the second motor 26.
The ground wire chuck comprises an upper clamping plate 36, a lower clamping plate 37, a cover plate 38, a shaft 39, a reset spring 40 and a soft copper ground wire 42, wherein the soft copper ground wire 42 is connected with the upper clamping plate 36, the clamping inner wall of the upper clamping plate 36 is semicircular, the clamping inner wall of the lower clamping plate 37 is groove-shaped, the upper clamping plate 36 is hinged on the shaft 39 through an upper rotating frame 41, the lower clamping plate 37 is hinged on the shaft 39 through a lower rotating frame 43, the cover plates 36 are arranged at two ends of the shaft 39, and the reset spring 40 is arranged at an extension section between the upper clamping plate 36 and the lower clamping plate 37. Under the condition that the rear handle is stressed inwards, the gap between the upper clamping plate 36 and the lower clamping plate 37 is increased so as to be suitable for the size of a contact clamping part, when the external force of the rear handle of the clamping head is released, the upper clamping plate 36 and the lower clamping plate 37 are closed under the action of the return spring 40 to reliably contact with a contact, and the problems of poor universality, poor contact and infirm of the traditional ground wire clamping head are solved.
The crank handle 35 can be matched with the quadrangle ends of the first worm gear 6, the second worm gear 19 and the first screw rod 21, so that manual adjustment is facilitated.
Referring to fig. 7, the method for installing the ground wire using the apparatus of the present invention includes the steps of:
(1) After the device is pushed to the front of a switch cabinet door needing to be provided with a grounding wire and has no error in electricity inspection, the first worm wheel 6 is rotated by the crank handle 35 to move the position of the lower cross beam 3, the left push rod 10 on the lower cross beam is aligned with the valve lifting shaft on the left side of the switch cabinet, the crank handle 35 is rotated to move the screw rod 15, the position of the right push rod 14 is adjusted to be aligned with the valve lifting shaft on the right side of the switch cabinet, the positive and negative rotation combined switch K1 is started, the left motor 9 and the right motor 13 are simultaneously rotated positively, the left push rod 10 and the right push rod 14 are simultaneously moved horizontally forwards to push the valve lifting shafts on the left side and the right side of the switch cabinet, and after the valve is completely opened, the K1 is stopped, so that the left motor 9 and the right motor 13 are enabled.
(2) After electricity testing and no electricity, the second worm wheel 19 is rotated by the crank handle 35, the upper cross beam 4 moves up and down until the contact with the ground wire to be installed is kept horizontal, the forward and reverse rotation combined switch K4 is turned on, the third motor 28 rotates, the gap between the clamping piece 29 and the second connecting rod 27 just can be placed into the ground wire chuck, the forward and reverse rotation combined switch K4 is turned on, the gap between the clamping piece 29 and the second connecting rod 27 is reduced by reverse rotation until the ground wire chuck is at an open position, the forward and reverse rotation combined switch K4 is stopped, the forward and reverse rotation combined switches K2 and K3 are turned on, and the opened chuck of the ground wire is aligned with the position of the contact to be installed.
(3) The first screw rod 21 is horizontally moved by clockwise shaking the first screw rod 21 through the hand-operated handle 35 until the opened grounding wire clamp is at the position to be grounded, the positive and negative rotation combined switch K4 is turned on, the third motor 28 is rotated forward, the gap between the clamping piece 29 and the second connecting rod 27 is increased, and the grounding wire upper clamping plate 36 and the lower clamping plate 37 are firmly clamped on the contacts in a shrinkage manner under the action of the self-reset spring 40, so that the grounding wire installation is completed.
(4) The positive and negative rotation combined switches K2 and K3 are started, the first screw rod 21 is rocked, the clamping mechanism of the grounding wire clamp is far away from the contact, the positive and negative rotation combined switch K1 is started, the left motor 9 and the right motor 13 simultaneously rotate reversely, the left push rod 10 and the right push rod 14 horizontally withdraw, and valve lifting shafts on the left side and the right side of the switch cabinet are loosened until the valve is closed.
Referring to fig. 7, the method for removing the ground wire using the apparatus of the present invention includes the steps of:
(1) Before pushing the device to a switch cabinet door of which the grounding wire needs to be removed, rotating the first worm wheel 6 through the crank handle 35 to move the position of the lower cross beam 3, enabling the left push rod 10 on the lower cross beam to be aligned with the valve lifting shaft on the left side of the switch cabinet, rotating the moving screw rod 15 through the crank handle 35 to adjust the position of the right push rod 14, enabling the right push rod 14 to be aligned with the valve lifting shaft on the right side of the switch cabinet, starting the positive and negative rotation combined switch K1, enabling the left motor 9 and the right motor 13 to simultaneously rotate positively, enabling the left push rod 10 and the right push rod 14 to simultaneously move horizontally forwards, pushing the valve lifting shafts on the left side and the right side of the switch cabinet, stopping K1 after the valve is completely opened, and enabling the left motor 9 and the right motor 13 to be enabled.
(2) The second worm wheel 19 is rotated by the crank handle 3), so that the upper cross beam 4 moves up and down until the upper cross beam is kept horizontal with a contact of the ground wire to be removed, the forward and reverse rotation combination switches K2 and K3 are turned on, the clamping heads of the clamping mechanism are aligned with the contact position of the ground wire to be installed, and the first screw rod 21 is rotated, so that the clamping mechanism of the clamping head of the ground wire is advanced to the position of the ground wire to be removed.
(3) The positive and negative rotation combined switch K4 is turned on, the third motor 28 rotates, the gap between the clamping piece 29 and the second connecting rod 27 can be placed into the handle at the rear part of the ground wire chuck, the positive and negative rotation combined switch K4 is turned on, the gap between the clamping piece 29 and the second connecting rod 27 is reduced by reversing until the upper clamping plate 36 and the lower clamping plate 37 are opened and separated from the contact, and the positive and negative rotation combined switch K4 is stopped.
(4) The positive and negative rotation combined switches K2 and K3 are started, the first screw rod 21 is rocked, the clamping mechanism of the grounding wire clamp is far away from the contact, the positive and negative rotation combined switch K1 is started, the left motor 9 and the right motor 13 simultaneously rotate reversely, the left push rod 10 and the right push rod 14 horizontally withdraw, and valve lifting shafts on the left side and the right side of the switch cabinet are loosened until the valve is closed.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a cubical switchboard earth connection installation demolishs device which characterized in that: including base (2), two stand (1), entablature (4), bottom end rail (3), depth position adjustment mechanism and earth connection chuck fixture, wherein:
the two upright posts (1) are respectively arranged at two sides of the base (2) and used for supporting the upper cross beam (4) and the lower cross beam (3);
the lower cross beam (3) is movably arranged on the two upright posts (1) at two sides and can move up and down along the two upright posts (1), a first driving mechanism for driving the lower cross beam (3) to move up and down is arranged on the lower cross beam (3), a left pushing mechanism for pushing a valve lifting shaft at the left side of the switch cabinet is arranged at the left side of the lower cross beam (3), and a right pushing mechanism for pushing a valve lifting shaft at the right side of the switch cabinet is arranged at the right side of the lower cross beam (3), wherein the right pushing mechanism can move along the length direction of the lower cross beam (3);
one end of the upper cross beam (4) is movably arranged on one of the upright posts (1) and can move up and down along the upright post (1), and a second driving mechanism for driving the upper cross beam (4) to move up and down is arranged on the upper cross beam (4);
the depth position adjusting mechanism comprises a first screw rod (21) which is arranged perpendicular to the free end of the upper cross beam (4) in the horizontal direction, a sliding block (23) is arranged at the end part of the first screw rod (21), a first motor (24) is arranged on the other side surface of the sliding block (23) opposite to the first screw rod (21), a rotating shaft of the first motor (24) is connected with one end of a first connecting rod (25), the other end of the first connecting rod (25) is connected with a second connecting rod (27) through a second motor (26), and the depth positions of the first connecting rod (25) and the second connecting rod (27) can be adjusted by rotating the first motor (24) and the second motor (26);
the ground wire chuck clamping mechanism comprises a second connecting rod (27), a clamping piece (29), a third motor (28) and a shaft pin (31), wherein the middle part of the clamping piece (29) is connected with the third motor (28) arranged on the other surface of the second connecting rod (27) through a clamping screw rod (30), one end of the clamping piece (29) is connected with the second connecting rod (27) through the shaft pin (31), a gap between the clamping piece (29) and the second connecting rod (27) is used for clamping the ground wire chuck, and the size of the gap between the clamping piece (29) and the second connecting rod (27) can be adjusted by rotating the second motor (26), so that the ground wire chuck can be clamped, opened and closed;
the first driving mechanism comprises a first worm wheel (6) and a first worm (5) which are arranged at the middle part of the lower cross beam (3), the first worm wheel (6) and the first worm (5) are meshed with each other, the lower end of the first worm (5) is connected to the base (2), the end part of the first worm wheel (6) is in a quadrangle shape, and the upper and lower movement of the lower cross beam (3) can be realized by rotating the first worm wheel (6);
the left pushing mechanism comprises a left push rod (10), a left screw rod (7), a left supporting piece (8) and a left motor (9), wherein the bottom of the left supporting piece (8) is connected to the upper end face of the lower cross rod, one end of the left screw rod (7) penetrates through the left supporting piece (8) to be connected with the left motor (9) arranged on the other surface of the left supporting piece (8), the other end of the left screw rod (7) is connected with the left push rod (10), and the left screw rod (7) and the left push rod (10) can extend and retract by rotating the left motor (9);
the right pushing mechanism comprises a right pushing rod (14), a right screw rod (11), a right supporting piece (12) and a right motor (13), wherein the bottom of the right supporting piece (12) is connected with a moving screw rod (15) arranged along the length direction of a lower cross beam (3), two ends of the moving screw rod (15) are arranged in a groove on the lower cross beam (3) through bearings (16), the outer side of the moving screw rod (15) extends out of the end face of the lower cross beam (3), the outer end of the moving screw rod (15) is square, the horizontal movement of the right supporting piece (12) can be realized by rotating the moving screw rod (15), one end of the right screw rod (11) passes through the right supporting piece (12) to be connected with the right motor (13) arranged on the other surface of the right supporting piece (12), the other end of the left screw rod (7) is connected with the right pushing rod (14), and the left screw rod (7) and the right pushing rod (14) can be stretched out and contracted by rotating the right motor (13);
the second driving mechanism comprises a fixing piece (17) arranged on the outer wall surface of the upright post (1) movably connected with the upper cross beam (4), a second worm wheel (19) and a second worm (18) which are meshed with each other are arranged on the fixing piece (17), the end part of the second worm wheel (19) is quadrangle, the upper end of the second worm (18) is connected with the lower bottom surface of the upper cross beam (4), and the upper cross beam (4) can move up and down by rotating the second worm wheel (19).
2. The switchgear grounding wire mounting and dismounting device as claimed in claim 1, wherein: the ground wire chuck comprises an upper clamping plate (36), a lower clamping plate (37), a cover plate (38), a shaft (39), a return spring (40) and a soft copper ground wire (42), wherein the soft copper ground wire (42) is connected with the upper clamping plate (36), the clamping inner wall of the upper clamping plate (36) is semicircular, the clamping inner wall of the lower clamping plate (37) is a groove, the upper clamping plate (36) is hinged on the shaft (39) through an upper rotating frame (41), the lower clamping plate (37) is hinged on the shaft (39) through a lower rotating frame (43), the cover plate (38) is arranged at two ends of the shaft (39), the return spring (40) is arranged at an extending section between the upper clamping plate (36) and the lower clamping plate (37), and after the clamping force is released, the return spring (40) can drive the upper clamping plate (36) and the lower clamping plate (37) to rotate to achieve the clamping function.
3. The switchgear grounding wire mounting and dismounting device as claimed in claim 1, wherein: the end part of the other side, opposite to the sliding block (23), of the first screw rod (21) is square.
4. The switchgear grounding wire mounting and dismounting device as claimed in claim 1, wherein: a guide rod (22) is arranged on the upper cross beam (4) along the moving direction of the first screw rod (21), and the other end of the guide rod (22) passes through the sliding block (23).
5. A method of operating a switchgear cabinet ground lead mounting and dismounting device as claimed in any one of claims 1 to 4, wherein: the installation of the grounding wire comprises the following steps:
(1) After the device is pushed to the front of a switch cabinet door needing to be provided with a grounding wire and is tested, the position of a lower cross beam (3) is moved through a first driving mechanism, so that a left pushing mechanism on the lower cross beam is aligned with a valve lifting shaft on the left side of the switch cabinet, the horizontal position of a right pushing mechanism is adjusted, the left pushing mechanism and the right pushing mechanism are started to align with the valve lifting shaft on the right side of the switch cabinet, and the valve lifting shafts on the left side and the right side of the switch cabinet are pushed until a valve is completely opened;
(2) The position of the upper cross beam (4) is moved through the second driving mechanism until the contact to be provided with the grounding wire is kept horizontal, the third motor (28) is started, the grounding wire clamping mechanism clamps the grounding wire clamping head, the clamping head is in an open position, and the clamping head is aligned to the position to be provided with the contact through the forward and reverse rotation of the first motor (24) and the second motor (26);
(3) The first screw rod (21) is driven to enable the opened clamping head to advance to the position of the fixed contact of the ground wire to be installed, the third motor (28) is started to enable the clamping mechanism of the clamping head of the ground wire to loosen the clamping head of the ground wire, and the clamping head is contracted and clamped on the contact under the action of the spring of the clamping head of the ground wire to complete the installation of the ground wire;
(4) The clamping mechanism of the grounding wire clamp is far away from the contact by the forward and reverse rotation of the first motor (24) and the second motor (26) and the rotation of the first screw rod (21), and the left pushing mechanism and the right pushing mechanism are started to withdraw, so that the valve lifting shafts on the left side and the right side of the switch cabinet are loosened, and the valve is closed.
6. A method of operating a switchgear cabinet ground lead mounting and dismounting device as claimed in any one of claims 1 to 4, wherein: removing the installed ground wire comprises the steps of:
(1) The device is pushed to the front of a switch cabinet door of which the grounding wire needs to be removed, the position of the lower cross beam (3) is moved through the first driving mechanism, the left pushing mechanism on the lower cross beam is aligned with the valve lifting shaft on the left side of the switch cabinet, the horizontal position of the right pushing mechanism is adjusted to be aligned with the valve lifting shaft on the right side of the switch cabinet, the left pushing mechanism and the right pushing mechanism are started, and the valve lifting shafts on the left side and the right side of the switch cabinet are pushed until the valve is completely opened;
(2) The position of the upper cross beam (4) is moved by the second driving mechanism until the upper cross beam is kept horizontal with a contact of the ground wire to be removed, the chuck is aligned with the position of the contact of the ground wire to be removed by the forward and reverse rotation of the first motor (24) and the second motor (26), and the first screw rod (21) is driven to enable the chuck clamping mechanism of the ground wire to advance to the position of the ground wire to be removed;
(3) Starting a third motor (28) to enable the ground wire clamping head clamping mechanism to clamp the ground wire clamping head, and continuing to exert force until the clamping head is opened and separated from the contact;
(4) The clamping mechanism of the grounding wire clamp is far away from the contact by the forward and reverse rotation of the first motor (24) and the second motor (26) and the rotation of the first screw rod (21), and the left pushing mechanism and the right pushing mechanism are started to withdraw, so that the valve lifting shafts on the left side and the right side of the switch cabinet are loosened, and the valve is closed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780439.4A CN107394552B (en) | 2017-09-01 | 2017-09-01 | Switch cabinet grounding wire mounting and dismounting device and operation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780439.4A CN107394552B (en) | 2017-09-01 | 2017-09-01 | Switch cabinet grounding wire mounting and dismounting device and operation method |
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| CN107394552A CN107394552A (en) | 2017-11-24 |
| CN107394552B true CN107394552B (en) | 2023-09-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108183414A (en) * | 2017-11-30 | 2018-06-19 | 国家电网公司 | The integrated Special grounding trolley of armouring central high-voltage switch cabinet electrical verification ground connection and its application method |
| CN116417876B (en) * | 2023-06-12 | 2023-08-29 | 福建（泉州）哈工大工程技术研究院 | Automatic operation executing device, robot and automatic operation method for switch cabinet |
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