CN112340639B - Portable jacking structure for jacking current transformer - Google Patents
Portable jacking structure for jacking current transformer Download PDFInfo
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- CN112340639B CN112340639B CN202011147333.9A CN202011147333A CN112340639B CN 112340639 B CN112340639 B CN 112340639B CN 202011147333 A CN202011147333 A CN 202011147333A CN 112340639 B CN112340639 B CN 112340639B
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0608—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement driven by screw or spindle
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0641—Single levers, e.g. parallel links
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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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Invalid Beds And Related Equipment (AREA)
Abstract
The application relates to a portable jacking structure for jacking a current transformer, which comprises a base, a handrail fixedly connected to one side of the base and a plurality of non-collinear rollers arranged at the bottom of the base; the top of the base is provided with an installation groove, a moving plate moving along the vertical direction is installed in the installation groove, and a first driving device for driving the moving plate to move is installed in the installation groove; the top of the moving plate is vertically and rotatably connected with a vertical shaft, and a second driving device for driving the vertical shaft to rotate is installed in the moving plate; a tray is fixedly connected to the top of the vertical shaft, two ends of the top of the tray are connected with limiting plates in a sliding mode respectively, and a third driving device used for driving the two limiting plates to move in the opposite direction or in the opposite direction is installed at the top of the tray; and braking devices for braking the moving plate are respectively installed on two sides of the installation groove. The efficiency of installation current transformer can be improved.
Description
Technical Field
The application relates to the technical field of current transformer installation, in particular to a portable jacking structure for jacking a current transformer.
Background
At present, a current transformer is an instrument for converting a large primary side current into a small secondary side current according to the electromagnetic induction principle to measure. The current transformer is composed of a closed iron core and a winding. The primary side winding of the transformer has few turns and is connected in a circuit of the current to be measured.
With respect to the related art in the above, the inventors consider that: at present, cabinet door working space is narrow and small under the fixed cubical switchboard in the transformer substation, and current transformer monomer weight is heavier, and the lifting difficulty during the change to current jacking device is mostly artifical hydraulic jack, but the jack installation is carried inconveniently, and especially to cabinet door condition complicacy under the fixed cubical switchboard, the inconvenience more of its installation leads to work efficiency to hang down, and staff intensity of labour is big.
Disclosure of Invention
In order to improve the efficiency of installation current transformer, this application provides a portable jacking structure for jacking current transformer.
The application provides a pair of portable jacking structure for jacking current transformer adopts following technical scheme:
a portable jacking structure for jacking a current transformer comprises a base, a handrail fixedly connected to one side of the base and a plurality of non-collinear rollers arranged at the bottom of the base; the top of the base is provided with an installation groove, a moving plate moving along the vertical direction is installed in the installation groove, and a first driving device for driving the moving plate to move is installed in the installation groove; the top of the moving plate is vertically and rotatably connected with a vertical shaft, and a second driving device for driving the vertical shaft to rotate is installed in the moving plate; a tray is fixedly connected to the top of the vertical shaft, two ends of the top of the tray are connected with limiting plates in a sliding mode respectively, and a third driving device used for driving the two limiting plates to move in the opposite direction or in the opposite direction is installed at the top of the tray; and braking devices for braking the moving plate are respectively installed on two sides of the installation groove.
By adopting the technical scheme, the current transformer can conveniently move upwards by arranging the first driving device; the second driving device is arranged, so that the current transformer can rotate by a certain angle conveniently; the third driving device is arranged, so that the current transformer is conveniently fixed; by arranging the braking device, when the movable plate falls off accidentally, the movable plate is conveniently braked, so that the possibility that the first driving device is damaged by the movable plate can be reduced; in conclusion, the efficiency of mounting the current transformer can be improved.
Preferably, a first horizontal groove, a vertical groove and a second horizontal groove are sequentially formed in one side of the mounting groove from top to bottom; the first horizontal groove and the second horizontal groove are respectively communicated with two ends of the vertical groove, and the braking device comprises a first horizontal plate arranged in the first horizontal groove in a sliding manner, a vertical plate arranged in the vertical groove in a sliding manner and a second horizontal plate arranged in the second horizontal groove in a sliding manner; the top of one side, close to the mounting groove, of the first horizontal plate is provided with a first inclined surface, the opposite inner sides of the first horizontal plate and the vertical plate are respectively provided with a second inclined surface, the two second inclined surfaces are matched, and a first reset assembly for driving the first horizontal plate to reset is installed in the first horizontal groove; the relative inboard of riser and second horizontal plate is provided with the third inclined plane respectively, two the third inclined plane phase-match, install the second reset subassembly that is used for driving the second horizontal plate to reset in the second horizontal groove.
Through adopting above-mentioned technical scheme, when the movable plate drops because of the accident, the movable plate drives first horizontal plate and removes to first horizontal groove under the effect on first inclined plane this moment, and first horizontal plate drives the riser and removes downwards under the effect on second inclined plane, and the riser drives the second horizontal plate and removes outwards under the effect on third inclined plane, can support the movable plate like this to can reduce the possibility that first drive arrangement is pounded the damage by the movable plate.
Preferably, a first strip-shaped groove is formed in one side of the first horizontal groove, and the first reset assembly comprises a first reset block connected to the first strip-shaped groove in a sliding manner along the width direction of the first horizontal groove and a first spring fixedly connected to one side, far away from the mounting groove, of the first reset block; the first reset block is fixedly connected to one side of the first horizontal plate, and one end, far away from the first reset block, of the first spring is fixedly connected to the inner wall of one end, far away from the mounting groove, of the first bar-shaped groove.
By adopting the technical scheme, the first horizontal plate moves towards the first horizontal groove to drive the first reset block to move, the first reset block moves to press the first spring, and the first spring is in a compressed state at the moment; when the moving plate is separated from the first horizontal plate, the first reset block is reset under the action of the first spring; through setting up first reset assembly, be convenient for drive first horizontal plate and reset.
Preferably, a second strip-shaped groove is formed in one side of the second horizontal groove, and the second reset assembly comprises a second reset block connected to the second strip-shaped groove in a sliding manner along the width direction of the second horizontal groove and a second spring fixedly connected to one side, close to the mounting groove, of the second reset block; the second reset block is fixedly connected to one side of the second horizontal plate, and one end, far away from the second reset block, of the second spring is fixedly connected to the inner wall, close to the mounting groove, of one end of the second strip-shaped groove.
By adopting the technical scheme, the second horizontal plate moves towards the outside of the second horizontal groove to drive the second reset block to move, the second reset block moves to press the second spring, and the second spring is in a compressed state at the moment; when the moving plate does not apply force to the first horizontal plate, the second reset block drives the second horizontal plate to reset under the action of the second spring; through setting up second reset assembly, be convenient for drive second horizontal plate and reset.
Preferably, the first driving device comprises a first screw rod horizontally and rotatably connected to the mounting groove, and a first left thread and a first right thread respectively arranged on the outer side walls of two ends of the first screw rod; a first motor is horizontally installed in the installation groove, and an output shaft of the first motor is fixedly connected with one end of a first screw rod; first slider is threaded connection respectively on first left hand thread and the first right hand thread, first slider slides along the length direction of mounting groove and connects in the bottom of mounting groove, every the top of first slider articulates there is the connecting plate, the one end that first slider was kept away from to the connecting plate articulates in the bottom of movable plate.
By adopting the technical scheme, when the moving plate needs to be driven to move upwards, the output shaft of the first motor drives the first lead screw to rotate, the first lead screw rotates to drive the two first sliding blocks to move oppositely, the two first sliding blocks move to drive the two connecting plates to move, and the two connecting plates can move to drive the moving plate to move upwards; through setting up first drive arrangement, be convenient for drive movable plate rebound.
Preferably, horizontal rigid coupling has first horizon bar in the mounting groove, first horizon bar sets up along the length direction of mounting groove, first horizon bar runs through two first slider settings, two first slider all slides and connects in first horizon bar.
Through adopting above-mentioned technical scheme, first guide bar has the guide effect to first slider to can reduce first slider and take place the possibility of deviating at the length direction of following the mounting groove in-process that slides.
Preferably, a through hole is formed in one side of the moving plate, and the second driving device comprises a second lead screw horizontally and rotatably connected in the through hole and a second motor horizontally arranged in the through hole; an output shaft of the second motor is fixedly connected with one end of a second lead screw, a second sliding block is connected to the second lead screw in a threaded mode, and the second sliding block is connected to the bottom of the through hole in a sliding mode along the length direction of the through hole; the bottom of the vertical shaft penetrates through the through hole downwards and is fixedly connected with a first bevel gear, a horizontal pipe is horizontally and rotatably connected between the first bevel gear and the second sliding block, one end of the horizontal pipe close to the first bevel gear is fixedly connected with a second bevel gear, and the first bevel gear is meshed with the second bevel gear; the one end rigid coupling that the second slider is close to the horizontal pipe has the actuating lever, the lateral wall of actuating lever rigid coupling has a plurality of helicla flutes along its circumference in proper order, a plurality of helicla flutes have been seted up in proper order along its circumference to the inner wall of horizontal pipe, the helicla flute piece with the helicla flute one-to-one cooperation.
By adopting the technical scheme, when the vertical shaft needs to be driven to rotate, the output shaft of the second motor drives the second lead screw to rotate, the second lead screw rotates to drive the second sliding block to move towards the direction close to the horizontal pipe, the second sliding block moves to drive the driving rod to move, the driving rod drives the horizontal pipe to rotate under the action of the spiral block and the spiral groove, the horizontal pipe rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the first bevel gear to rotate, and the first bevel gear rotates to drive the vertical shaft to rotate; through setting up second drive arrangement, be convenient for drive vertical axis rotates. In addition, through setting up second lead screw, spiral piece and helicla flute, be convenient for carry out the deceleration to the output shaft of second motor to can make the vertical axis rotate ground more stably.
Preferably, a second horizontal rod is fixedly connected in the through hole, the second horizontal rod penetrates through the second sliding block, and the second sliding block is connected to the second horizontal rod in a sliding manner along the length direction of the moving plate.
Through adopting above-mentioned technical scheme, the second horizontal rod has the guide effect to the second slider to can reduce the second slider and take place the possibility of deviating in the length direction of moving plate in the process of sliding.
Preferably, the top of the tray is provided with a sliding chute, and the third driving device comprises a third motor horizontally arranged on one side of the tray and a third screw rod rotatably connected to the sliding chute; an output shaft of the third motor is fixedly connected to one end of a third screw rod, the bottoms of the two limiting plates are fixedly connected with third sliding blocks, and the two third sliding blocks are connected to the sliding groove in a sliding mode along the length direction of the tray; and the outer side walls of the two ends of the third screw rod are respectively provided with a second left thread and a second right thread, and the two third sliding blocks are respectively in threaded connection with the second left thread and the second right thread.
By adopting the technical scheme, when the two limiting plates need to be driven to move oppositely, the output shaft of the third motor drives the third screw rod to rotate, the third screw rod drives the two third sliding blocks to move oppositely, and the two third sliding blocks can drive the two limiting plates to move oppositely; through setting up third drive arrangement, be convenient for drive two limiting plates and remove in opposite directions.
Preferably, the relative inner sides of the two limit plates are fixedly connected with rubber blocks respectively.
Through adopting above-mentioned technical scheme, through setting up the block rubber, be convenient for protect current transformer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first driving device is arranged, so that the current transformer can move upwards conveniently; the second driving device is arranged, so that the current transformer can rotate by a certain angle conveniently; the third driving device is arranged, so that the current transformer is conveniently fixed; by arranging the braking device, when the movable plate falls off accidentally, the movable plate is conveniently braked, so that the possibility that the first driving device is damaged by the movable plate can be reduced; in conclusion, the efficiency of installing the current transformer can be improved;
2. when the movable plate falls off accidentally, the movable plate drives the first horizontal plate to move towards the first horizontal groove under the action of the first inclined surface, the first horizontal plate drives the vertical plate to move downwards under the action of the second inclined surface, and the vertical plate drives the second horizontal plate to move outwards under the action of the third inclined surface, so that the movable plate can be supported, and the possibility that the first driving device is damaged by the movable plate can be reduced;
3. the first horizontal plate moves into the first horizontal groove to drive the first reset block to move, the first reset block moves to press the first spring, and the first spring is in a compressed state at the moment; when the moving plate is separated from the first horizontal plate, the first reset block is reset under the action of the first spring; through setting up first reset assembly, be convenient for drive first horizontal plate and reset.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view showing a second driving device in an embodiment of the present application;
FIG. 3 is a schematic view showing a third driving device in an embodiment of the present application;
FIG. 4 is a partial cross-sectional view of a highlighted detent in an embodiment of the present application.
Description of reference numerals: 1. a base; 11. a handrail; 12. a roller; 13. mounting grooves; 131. a first horizontal groove; 132. a vertical slot; 133. a second horizontal groove; 14. moving the plate; 141. a through hole; 15. a vertical axis; 16. a tray; 161. a chute; 17. a limiting plate; 171. a rubber block; 2. a first driving device; 21. a first lead screw; 22. a first motor; 23. a first slider; 24. a connecting plate; 25. a first horizontal bar; 3. a second driving device; 31. a second lead screw; 32. a second motor; 33. a second slider; 34. a first bevel gear; 35. a horizontal tube; 351. a helical groove; 36. a second bevel gear; 37. a drive rod; 371. a screw block; 38. a second horizontal bar; 4. a third driving device; 41. a third motor; 42. a third lead screw; 43. a third slider; 5. a braking device; 51. a first horizontal plate; 511. a first inclined plane; 52. a vertical plate; 521. a second inclined plane; 53. a second horizontal plate; 531. a third inclined plane; 6. a first reset assembly; 61. a first bar-shaped groove; 62. a first reset block; 63. a first spring; 7. a second reset assembly; 71. a second strip groove; 72. a second reset block; 73. a second spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a portable jacking structure for jacking a current transformer, which comprises a base 1, an armrest 11 fixedly connected to one side of the base 1 and a plurality of non-collinear rollers 12 arranged at the bottom of the base 1, wherein the armrest is fixedly connected to the armrest; the roller 12 is a foot brake wheel.
As shown in fig. 1, a mounting groove 13 is formed in the top of the base 1, a moving plate 14 moving vertically is mounted in the mounting groove 13, and a first driving device 2 for driving the moving plate 14 to move is mounted in the mounting groove 13; the top of the moving plate 14 is vertically and rotatably connected with a vertical shaft 15 through a bearing, and a second driving device 3 for driving the vertical shaft 15 to rotate is installed in the moving plate 14; the top of the vertical shaft 15 is fixedly connected with a tray 16, two ends of the top of the tray 16 are respectively connected with limiting plates 17 in a sliding manner, the opposite inner sides of the two limiting plates 17 are respectively fixedly connected with a rubber block 171, and the top of the tray 16 is provided with a third driving device 4 for driving the two limiting plates 17 to move towards or away from each other; and braking devices 5 for braking the moving plate 14 are respectively arranged on two sides of the mounting groove 13. The first driving device 2 is arranged, so that the current transformer can move upwards conveniently; the second driving device 3 is arranged, so that the current transformer can rotate by a certain angle conveniently; the third driving device 4 is arranged, so that the current transformer is convenient to fix; by arranging the braking device 5, when the moving plate 14 falls off accidentally, the moving plate 14 is conveniently braked, so that the possibility that the first driving device 2 is smashed by the moving plate 14 can be reduced; in conclusion, the efficiency of mounting the current transformer can be improved.
As shown in fig. 1, the first driving device 2 includes a first lead screw 21 horizontally and rotatably connected to the mounting groove 13 through a bearing, and a first left thread and a first right thread respectively disposed on outer sidewalls of both ends of the first lead screw 21; a first motor 22 is horizontally installed in the installation groove 13, and an output shaft of the first motor 22 is fixedly connected with one end of a first lead screw 21; first slider 23 is threaded connection respectively on first left hand thread and the first right hand thread, and first slider 23 slides along the length direction of mounting groove 13 and connects in the bottom of mounting groove 13, and every first slider 23's top articulates there is connecting plate 24, and the one end that first slider 23 was kept away from to connecting plate 24 articulates in the bottom of movable plate 14. When the moving plate 14 needs to be driven to move upwards, the output shaft of the first motor 22 drives the first lead screw 21 to rotate, the first lead screw 21 drives the two first sliders 23 to move oppositely, the two first sliders 23 move to drive the two connecting plates 24 to move, and the two connecting plates 24 move to drive the moving plate 14 to move upwards; by providing the first driving means 2, it is convenient to drive the moving plate 14 to move upward.
As shown in fig. 1, a first horizontal rod 25 is horizontally and fixedly connected in the mounting groove 13, the first horizontal rod 25 is arranged along the length direction of the mounting groove 13, the first horizontal rod 25 penetrates through the two first sliding blocks 23, and the two first sliding blocks 23 are connected to the first horizontal rod 25 in a sliding manner. The first guide bar has a guiding function for the first slider 23, so that the possibility of the first slider 23 deviating during the sliding movement in the length direction of the mounting groove 13 can be reduced.
As shown in fig. 1 and 2, a through hole 141 is opened at one side of the moving plate 14, and the second driving device 3 includes a second lead screw 31 horizontally rotatably connected in the through hole 141 through a bearing and a second motor 32 horizontally installed in the through hole 141; an output shaft of the second motor 32 is fixedly connected with one end of the second lead screw 31, a second sliding block 33 is connected to the second lead screw 31 in a threaded manner, and the second sliding block 33 is connected to the bottom of the through hole 141 in a sliding manner along the length direction of the through hole 141; the bottom of the vertical shaft 15 penetrates through the through hole 141 downwards and is fixedly connected with a first bevel gear 34, a horizontal pipe 35 is horizontally and rotatably connected between the first bevel gear 34 and the second sliding block 33 through a bearing, one end of the horizontal pipe 35 close to the first bevel gear 34 is fixedly connected with a second bevel gear 36, and the first bevel gear 34 is meshed with the second bevel gear 36; the one end rigid coupling that second slider 33 is close to horizontal pipe 35 has actuating lever 37, and actuating lever 37's lateral wall rigid coupling has a plurality of spiral pieces 371 along its circumference in proper order, and a plurality of helicla flutes 351 have been seted up along its circumference in proper order to the inner wall of horizontal pipe 35, and spiral piece 371 cooperates with helicla flute 351 one-to-one. When the vertical shaft 15 needs to be driven to rotate, the output shaft of the second motor 32 drives the second lead screw 31 to rotate, the second lead screw 31 rotates to drive the second slider 33 to move towards the direction close to the horizontal pipe 35, the second slider 33 moves to drive the driving rod 37 to move, at this time, the driving rod 37 drives the horizontal pipe 35 to rotate under the action of the spiral block 371 and the spiral groove 351, the horizontal pipe 35 rotates to drive the second bevel gear 36 to rotate, the second bevel gear 36 rotates to drive the first bevel gear 34 to rotate, and the first bevel gear 34 rotates to drive the vertical shaft 15 to rotate; the second driving device 3 is arranged to drive the vertical shaft 15 to rotate. Further, the provision of the second lead screw 31, the screw block 371, and the spiral groove 351 facilitates the reduction of the speed of the output shaft of the second motor 32, thereby making it possible to more stably rotate the vertical shaft 15.
As shown in fig. 1 and 2, a second horizontal rod 38 is fixed in the through hole 141, the second horizontal rod 38 is disposed through the second slider 33, and the second slider 33 is slidably connected to the second horizontal rod 38 along the length direction of the moving plate 14. The second horizontal bar 38 guides the second slider 33, so that the possibility of the second slider 33 deviating during the sliding movement in the longitudinal direction of the moving plate 14 can be reduced.
As shown in fig. 1 and 3, the top of the tray 16 is provided with a sliding slot 161, and the third driving device 4 includes a third motor 41 horizontally installed on one side of the tray 16 and a third lead screw 42 rotatably connected to the sliding slot 161 through a bearing; an output shaft of the third motor 41 is fixedly connected to one end of the third screw 42, the bottoms of the two limiting plates 17 are fixedly connected with third sliding blocks 43, and the two third sliding blocks 43 are connected to the sliding groove 161 in a sliding manner along the length direction of the tray 16; the outer side walls of the two ends of the third screw rod 42 are respectively provided with a second left thread and a second right thread, and the two third sliding blocks 43 are respectively in threaded connection with the second left thread and the second right thread. When the two limiting plates 17 need to be driven to move in the opposite direction, the output shaft of the third motor 41 drives the third lead screw 42 to rotate, the third lead screw 42 rotates to drive the two third sliding blocks 43 to move in the opposite direction, and the two third sliding blocks 43 can drive the two limiting plates 17 to move in the opposite direction; by arranging the third driving device 4, the two limiting plates 17 can be driven to move towards each other conveniently.
As shown in fig. 1 and 4, a first horizontal groove 131, a vertical groove 132 and a second horizontal groove 133 are sequentially formed on one side of the mounting groove 13 from top to bottom; the first horizontal groove 131 and the second horizontal groove 133 are respectively communicated with two ends of the vertical groove 132, and the braking device 5 comprises a first horizontal plate 51 arranged in the first horizontal groove 131 in a sliding manner, a vertical plate 52 arranged in the vertical groove 132 in a sliding manner, and a second horizontal plate 53 arranged in the second horizontal groove 133 in a sliding manner; the top of one side of the first horizontal plate 51 close to the installation groove 13 is provided with a first inclined surface 511, the opposite inner sides of the first horizontal plate 51 and the vertical plate 52 are respectively provided with a second inclined surface 521, the two second inclined surfaces 521 are matched, and a first reset component 6 for driving the first horizontal plate 51 to reset is installed in the first horizontal groove 131; the opposite inner sides of the vertical plate 52 and the second horizontal plate 53 are respectively provided with a third inclined surface 531, the two third inclined surfaces 531 are matched, and a second resetting component 7 for driving the second horizontal plate 53 to reset is installed in the second horizontal groove 133. When the moving plate 14 accidentally falls off, at this time, the moving plate 14 drives the first horizontal plate 51 to move into the first horizontal groove 131 under the action of the first inclined surface 511, the first horizontal plate 51 drives the vertical plate 52 to move downward under the action of the second inclined surface 521, and the vertical plate 52 drives the second horizontal plate 53 to move outward under the action of the third inclined surface 531, so that the moving plate 14 can be supported, and the possibility that the first driving device 2 is damaged by the moving plate 14 can be reduced.
As shown in fig. 1 and 4, a first bar-shaped groove 61 is formed on one side of the first horizontal groove 131, and the first reset assembly 6 includes a first reset block 62 slidably connected to the first bar-shaped groove 61 along the width direction of the first horizontal groove 131 and a first spring 63 fixedly connected to one side of the first reset block 62 away from the mounting groove 13; the first reset block 62 is fixedly connected to one side of the first horizontal plate 51, and one end of the first spring 63, which is far away from the first reset block 62, is fixedly connected to an inner wall of one end of the first bar-shaped groove 61, which is far away from the mounting groove 13. The first horizontal plate 51 moves into the first horizontal groove 131 to drive the first reset block 62 to move, the first reset block 62 moves to press the first spring 63, and at the moment, the first spring 63 is in a compressed state; when the moving plate 14 is separated from the first horizontal plate 51, the first reset block 62 is reset under the action of the first spring 63; the first reset component 6 is arranged to drive the first horizontal plate 51 to reset conveniently.
As shown in fig. 1 and 4, a second strip-shaped groove 71 is formed on one side of the second horizontal groove 133, and the second reset assembly 7 includes a second reset block 72 slidably connected to the second strip-shaped groove 71 along the width direction of the second horizontal groove 133 and a second spring 73 fixedly connected to one side of the second reset block 72 close to the mounting groove 13; the second reset block 72 is fixedly connected to one side of the second horizontal plate 53, and one end of the second spring 73, which is far away from the second reset block 72, is fixedly connected to an inner wall of one end of the second strip-shaped groove 71, which is close to the mounting groove 13. The second horizontal plate 53 moves out of the second horizontal groove 133 to drive the second reset block 72 to move, the second reset block 72 moves to press the second spring 73, and at this time, the second spring 73 is in a compressed state; when the moving plate 14 does not apply force to the first horizontal plate 51, the second reset block 72 drives the second horizontal plate 53 to reset under the action of the second spring 73; the second reset component 7 is arranged, so that the second horizontal plate 53 can be driven to reset conveniently.
The implementation principle of the jacking structure of the portable current transformer in the embodiment of the application is as follows: when the current transformer needs to be driven to move upwards, the output shaft of the first motor 22 drives the first lead screw 21 to rotate, the first lead screw 21 rotates to drive the two first sliders 23 to move towards each other, the two first sliders 23 move to drive the two connecting plates 24 to move, the two connecting plates 24 move to drive the moving plate 14 to move upwards, and the connecting plates 24 move upwards to drive the current transformer to move upwards.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a portable jacking structure for jacking current transformer which characterized in that: comprises a base (1), a handrail (11) fixedly connected to one side of the base (1) and a plurality of non-collinear rollers (12) arranged at the bottom of the base (1); the top of the base (1) is provided with an installation groove (13), a moving plate (14) moving along the vertical direction is installed in the installation groove (13), and a first driving device (2) for driving the moving plate (14) to move is installed in the installation groove (13); the top of the moving plate (14) is vertically and rotatably connected with a vertical shaft (15), and a second driving device (3) for driving the vertical shaft (15) to rotate is installed in the moving plate (14); a tray (16) is fixedly connected to the top of the vertical shaft (15), two ends of the top of the tray (16) are connected with limiting plates (17) in a sliding mode respectively, and a third driving device (4) used for driving the two limiting plates (17) to move towards or away from each other is installed on the top of the tray (16); two sides of the mounting groove (13) are respectively provided with a braking device (5) for braking the moving plate (14);
a first horizontal groove (131), a vertical groove (132) and a second horizontal groove (133) are sequentially formed in one side of the mounting groove (13) from top to bottom; the first horizontal groove (131) and the second horizontal groove (133) are respectively communicated with two ends of the vertical groove (132), and the braking device (5) comprises a first horizontal plate (51) arranged in the first horizontal groove (131) in a sliding manner, a vertical plate (52) arranged in the vertical groove (132) in a sliding manner and a second horizontal plate (53) arranged in the second horizontal groove (133) in a sliding manner; a first inclined plane (511) is arranged at the top of one side, close to the mounting groove (13), of the first horizontal plate (51), second inclined planes (521) are respectively arranged on the opposite inner sides of the first horizontal plate (51) and the vertical plate (52), the two second inclined planes (521) are matched, and a first resetting component (6) for driving the first horizontal plate (51) to reset is mounted in the first horizontal groove (131); the opposite inner sides of the vertical plate (52) and the second horizontal plate (53) are respectively provided with a third inclined surface (531), the two third inclined surfaces (531) are matched, and a second reset component (7) for driving the second horizontal plate (53) to reset is installed in the second horizontal groove (133);
a first strip-shaped groove (61) is formed in one side of the first horizontal groove (131), and the first reset assembly (6) comprises a first reset block (62) connected to the first strip-shaped groove (61) in a sliding manner along the width direction of the first horizontal groove (131) and a first spring (63) fixedly connected to one side, far away from the installation groove (13), of the first reset block (62); the first reset block (62) is fixedly connected to one side of the first horizontal plate (51), and one end, far away from the first reset block (62), of the first spring (63) is fixedly connected to the inner wall of one end, far away from the mounting groove (13), of the first strip-shaped groove (61);
a second strip-shaped groove (71) is formed in one side of the second horizontal groove (133), and the second reset assembly (7) comprises a second reset block (72) connected to the second strip-shaped groove (71) in a sliding manner along the width direction of the second horizontal groove (133) and a second spring (73) fixedly connected to one side, close to the mounting groove (13), of the second reset block (72); second reset block (72) rigid coupling in one side of second horizontal plate (53), the one end rigid coupling that second reset block (72) was kept away from in second spring (73) is close to the one end inner wall of mounting groove (13) in second bar groove (71).
2. The portable jacking structure for jacking a current transformer according to claim 1, wherein: the first driving device (2) comprises a first lead screw (21) which is horizontally and rotatably connected to the mounting groove (13), and a first left thread and a first right thread which are respectively arranged on the outer side walls of two ends of the first lead screw (21); a first motor (22) is horizontally installed in the installation groove (13), and an output shaft of the first motor (22) is fixedly connected with one end of a first lead screw (21); first slider (23) is threaded connection respectively on first left hand thread and the first right hand thread, first slider (23) slide along the length direction of mounting groove (13) and connect in the bottom of mounting groove (13), every the top of first slider (23) articulates there is connecting plate (24), the one end that first slider (23) were kept away from in connecting plate (24) articulates in the bottom of movable plate (14).
3. The portable jacking structure for jacking a current transformer according to claim 2, wherein: horizontal rigid coupling has first horizon bar (25) in mounting groove (13), the length direction setting of mounting groove (13) is followed in first horizon bar (25), first horizon bar (25) run through two first slider (23) settings, two first slider (23) all slide and connect in first horizon bar (25).
4. The portable jacking structure for jacking a current transformer according to claim 1, wherein: a through hole (141) is formed in one side of the moving plate (14), and the second driving device (3) comprises a second lead screw (31) which is horizontally and rotatably connected into the through hole (141) and a second motor (32) which is horizontally arranged in the through hole (141); an output shaft of the second motor (32) is fixedly connected with one end of a second lead screw (31), a second sliding block (33) is connected to the second lead screw (31) in a threaded mode, and the second sliding block (33) is connected to the bottom of the through hole (141) in a sliding mode along the length direction of the through hole (141); the bottom of the vertical shaft (15) penetrates through the through hole (141) downwards and is fixedly connected with a first bevel gear (34), a horizontal pipe (35) is horizontally and rotatably connected between the first bevel gear (34) and the second sliding block (33), one end, close to the first bevel gear (34), of the horizontal pipe (35) is fixedly connected with a second bevel gear (36), and the first bevel gear (34) is meshed with the second bevel gear (36); one end rigid coupling that second slider (33) is close to horizontal pipe (35) has actuating lever (37), the lateral wall of actuating lever (37) has a plurality of spiral pieces (371) along its circumference rigid coupling in proper order, a plurality of helicla flutes (351) have been seted up in proper order along its circumference to the inner wall of horizontal pipe (35), spiral piece (371) with helicla flute (351) one-to-one cooperation.
5. The portable jacking structure for jacking a current transformer according to claim 4, wherein: a second horizontal rod (38) is fixedly connected in the through hole (141), the second horizontal rod (38) penetrates through a second sliding block (33), and the second sliding block (33) is connected to the second horizontal rod (38) in a sliding mode along the length direction of the moving plate (14).
6. The portable jacking structure for jacking a current transformer according to claim 1, wherein: the top of the tray (16) is provided with a sliding groove (161), and the third driving device (4) comprises a third motor (41) horizontally arranged on one side of the tray (16) and a third lead screw (42) rotatably connected to the sliding groove (161); an output shaft of the third motor (41) is fixedly connected to one end of a third lead screw (42), the bottoms of the two limiting plates (17) are fixedly connected with third sliding blocks (43), and the two third sliding blocks (43) are connected to a sliding groove (161) in a sliding manner along the length direction of the tray (16); the outer side walls of two ends of the third screw rod (42) are respectively provided with a second left thread and a second right thread, and the two third sliding blocks (43) are respectively in threaded connection with the second left thread and the second right thread.
7. The portable jacking structure for jacking a current transformer according to claim 6, wherein: and rubber blocks (171) are fixedly connected to the opposite inner sides of the two limit plates (17) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011147333.9A CN112340639B (en) | 2020-10-23 | 2020-10-23 | Portable jacking structure for jacking current transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011147333.9A CN112340639B (en) | 2020-10-23 | 2020-10-23 | Portable jacking structure for jacking current transformer |
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| CN112340639A CN112340639A (en) | 2021-02-09 |
| CN112340639B true CN112340639B (en) | 2021-12-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102009027972A1 (en) * | 2009-07-23 | 2011-02-03 | Waldner Labor- Und Schuleinrichtungen Gmbh | scissor lift |
| CN204643719U (en) * | 2015-05-27 | 2015-09-16 | 国网山东平阴县供电公司 | A kind of jacking system for changing 10kV middle-placed switch cabinet current transformer |
| SG11201907017QA (en) * | 2016-12-30 | 2019-09-27 | Shanghai Dianba New Energy Technology Co Ltd | Movable battery replacing platform and quick replacing system |
| CN108910748A (en) * | 2018-06-28 | 2018-11-30 | 陈莲华 | A kind of construction lifting device |
| CN211004370U (en) * | 2019-11-29 | 2020-07-14 | 三门峡职业技术学院 | Electric device promotes transfer device |
| CN211035041U (en) * | 2019-12-04 | 2020-07-17 | 赵文杰 | Auxiliary bracket for mechanical equipment maintenance |
| CN111254499B (en) * | 2020-03-05 | 2021-03-26 | 上海磐盟电子材料有限公司 | Single crystal furnace structure and using method thereof |
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