CN213512970U

CN213512970U - Portable current transformer jacking structure

Info

Publication number: CN213512970U
Application number: CN202022397119.0U
Authority: CN
Inventors: 刘兵; 秦鹏; 刘毅; 葛瑞峰; 丁楠; 王鹏飞; 张坤; 刘绪坤; 刘俊松; 张凯棋
Original assignee: Hefei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: Hefei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-22
Anticipated expiration: 2030-10-23

Abstract

The application relates to a portable current transformer jacking structure which comprises a base, a handrail and a plurality of non-collinear rollers, wherein the handrail is fixedly connected to one side 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; the top rigid coupling of vertical axis has the tray, the both ends at tray top slide respectively and are connected with the limiting plate, the third drive arrangement who is used for driving two limiting plates and removes in opposite directions or back of the body mutually is installed at the top of tray. The efficiency of installation current transformer can be improved.

Description

Portable current transformer jacking structure

Technical Field

The application relates to the technical field of current transformer replacement, in particular to a portable current transformer jacking structure.

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.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of installation current transformer, this application provides a portable current transformer jacking structure.

The application provides a pair of portable current transformer jacking structure adopts following technical scheme:

a portable current transformer jacking structure 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; the top rigid coupling of vertical axis has the tray, the both ends at tray top slide respectively and are connected with the limiting plate, the third drive arrangement who is used for driving two limiting plates and removes in opposite directions or back of the body mutually is installed at the top of tray.

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; in conclusion, the efficiency of mounting the current transformer can be improved.

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 horizontal rod 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; in conclusion, the efficiency of installing the current transformer can be improved;

2. 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 in opposite directions, 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; the first driving device is arranged, so that the moving plate can be conveniently driven to move upwards;

3. when the two limiting plates need to be driven to move in the opposite direction, 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 in the opposite direction, and the two third sliding blocks can drive the two limiting plates to move in the opposite direction; through setting up third drive arrangement, be convenient for drive two limiting plates and remove in opposite directions.

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.

Description of reference numerals: 1. a base; 11. a handrail; 12. a roller; 13. mounting grooves; 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. and a third slide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a portable current transformer jacking structure, as shown in fig. 1, 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; the roller 12 is a foot brake wheel.

As shown in fig. 1 and 2, a mounting groove 13 is formed at 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; tray 16 is fixedly connected to the top of vertical shaft 15, limiting plates 17 are slidably connected to two ends of the top of tray 16 respectively, rubber blocks 171 are fixedly connected to the opposite inner sides of two limiting plates 17 respectively, and third driving devices 4 used for driving the two limiting plates 17 to move in opposite directions or back to back are installed at the top of tray 16. 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; in conclusion, the efficiency of mounting the current transformer can be improved.

As shown in fig. 1 and 2, 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 and fig. 2, a first horizontal rod 25 is horizontally fixed 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 horizontal bar 25 has a guiding function for the first slider 23, so that the possibility of the first slider 23 deviating during the sliding movement along 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.

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

1. The utility model provides a portable current transformer jacking structure 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); the top rigid coupling of vertical axis (15) has tray (16), the both ends at tray (16) top slide respectively and are connected with limiting plate (17), third drive arrangement (4) that are used for driving two limiting plate (17) and move mutually or carry on the back mutually are installed at the top of tray (16).

2. The portable current transformer jacking structure of 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 current transformer jacking structure of 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 current transformer jacking structure of 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 current transformer jacking structure of 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 current transformer jacking structure of 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 current transformer jacking structure of claim 6, wherein: and rubber blocks (171) are fixedly connected to the opposite inner sides of the two limit plates (17) respectively.