CN216595336U - Relay protection tester for power plant - Google Patents

Abstract

The utility model discloses a power plant relay protection tester, belonging to the technical field of relay protection testers, which comprises a relay protection tester body and a shell for placing the relay protection tester body, wherein a partition plate is arranged in the shell, a driving assembly is arranged above the partition plate, a bottom plate is arranged below the partition plate, a pair of first sleeves are arranged at two sides of the bottom plate, a first gear is rotatably connected at an opening at the upper end of the first sleeve, a screw rod is slidably connected in the first sleeve, a second gear is meshed and connected at one side of the first gear, an engaging beam is connected between the pair of second gears, one end of the engaging beam penetrates out of the shell, a handle is arranged at one end of the engaging beam penetrating out, the handle drives the engaging beam to rotate, the rotating engaging beam drives the coaxial second gear to rotate, the rotating second gear drives the meshed first gear to rotate, so that the screw rod which is in the first gear in a threaded connection is lifted or lowered, the shell is driven to move, thereby being suitable for users with different heights.

Description

Relay protection tester for power plant

Technical Field

The utility model relates to the technical field of relay protection testers, in particular to a power plant relay protection tester.

Background

The relay protection tester is an important testing tool for ensuring the safe and reliable operation of a power system.

Application number is CN 202023024233.5's a relay protection tester for electric power engineering among the correlation technique relates to a relay protection tester, has improved the relatively poor problem of user suitability to the difference in height, and it includes the casing, and the display screen is installed to the front side of casing, still includes the backup pad, the casing is installed in the backup pad, the bottom that display screen one end was kept away from to the casing rotates with one side of backup pad to be connected, the casing can be towards one side upset, the backup pad is close to one side of casing and is seted up flutedly, rotates in the recess and is connected with the ejector pin, the one end that the recess was kept away from to the ejector pin is articulated with the one end that the display screen is close to bottom of the casing, be equipped with in the backup pad and be used for driving the ejector pin to slide so that the actuating mechanism of casing upset along the upset the central axis direction of perpendicular to casing. This application passes through actuating mechanism drive ejector pin and rotates, can improve the gradient control scope of relay protection tester.

However, the lifting mechanism in the scheme adopts an independent guide rod, and the manual debugging is needed during the adjustment each time, so that the error is easily caused, and the unevenness of the device is caused.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background art, the utility model aims to provide a power plant relay protection tester to solve the problems mentioned in the background art.

The technical purpose of the utility model is realized by the following technical scheme:

power plant's relay protection tester, including relay protection tester body and be used for placing the shell of relay protection tester body, horizontal installation is equipped with the baffle in the shell, the baffle becomes cavity and lower cavity with the shell internal partitioning, the baffle top is provided with drive assembly, the baffle below is provided with the bottom plate, a pair of first sleeve is installed along length direction's both sides to the bottom plate, each the upper end opening part of first sleeve rotates and is connected with first gear, sliding connection has the lead screw in the first sleeve, the upper end of lead screw runs through out first gear, and the lead screw runs through out one end and the baffle installation together, and is a pair of one side meshing of first gear is connected with the second gear, and is a pair of be connected with between the second gear and link up the roof beam, the one end that links up the roof beam runs through out the shell, and link up the roof beam and run through out the one end and install the handle, the handle drives the connecting beam to rotate, the rotating connecting beam drives the coaxial second gear to rotate, and the rotating second gear drives the meshed first gear to rotate, so that the screw rod in the first gear in threaded connection rises or falls to drive the shell to move, and the handle is suitable for users with different heights.

Preferably, the four corners of the lower surface of the partition board are vertically provided with second sleeves, the bottom board is vertically provided with guide rods, and the guide rods are connected in the second sleeves in a sliding manner.

Preferably, the driving assembly comprises a pair of chute seats installed along the length direction of the partition board, threaded rods are rotatably connected in the chute seats, one ends of the threaded rods penetrate through the chute seats, first pulleys are coaxially installed at the penetrating ends of the threaded rods, a servo motor is installed on the partition board through a motor seat, a second pulley is coaxially installed at the output end of the servo motor, and the second pulley is in transmission connection with the first pulleys on the two sides through a belt.

Preferably, the pair of threaded rods are both connected with nut seats in a threaded manner, an installation plate is rotatably connected between the pair of nut seats, and the relay protection tester body is installed on the installation plate.

Preferably, the partition board is provided with a shaft sleeve, the shaft sleeve is rotatably connected with a main shaft, two ends of the main shaft penetrate through the shaft sleeve and are rotatably connected with connecting arms, and one end of each connecting arm, which is far away from the shaft sleeve, is rotatably connected with the side wall of the mounting board.

Preferably, the relay protection tester body is provided with a cover plate, and the cover plate and the shell are hinged together through a hinge shaft.

In summary, the utility model mainly has the following beneficial effects:

the first handle and the second handle drive the connecting beam to rotate, the rotating connecting beam drives the coaxial second gear to rotate, and the rotating second gear drives the meshed first gear to rotate, so that a screw rod in threaded connection with the first gear rises or falls to drive the shell to move, and the shell is suitable for users with different heights;

and secondly, the driving assembly is used for driving the relay protection tester body to rotate in the shell, so that the visual angle of the display screen on the relay protection tester body is adjusted.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

Reference numerals: 1. a relay protection tester body; 2. a housing; 3. a partition plate; 4. a base plate; 5. a first sleeve; 6. a first gear; 7. a screw rod; 8. a second gear; 9. connecting the beams; 10. a handle; 11. a second sleeve; 12. a guide bar; 13. a chute seat; 14. a threaded rod; 15. a first pulley; 16. a servo motor; 17. a second pulley; 18. a nut seat; 19. a cover plate; 20. mounting a plate; 21. a shaft sleeve; 22. a main shaft; 23. an engaging arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Power plant relay protection tester. Referring to fig. 1-3, the relay protection tester comprises a relay protection tester body 1 and a housing 2 for placing the relay protection tester body 1, a partition plate 3 is horizontally installed in the housing 2, the partition plate 3 divides the interior of the housing 2 into an upper cavity and a lower cavity, a driving assembly is arranged above the partition plate and used for driving the relay protection tester body 1 to rotate in the housing 2 so as to adjust the visual angle of a display screen on the relay protection tester body 1, a bottom plate 4 is arranged below the partition plate 3, a pair of first sleeves 5 are arranged on two sides of the bottom plate 4 along the length direction, a first gear 6 is rotatably connected to an opening at the upper end of each first sleeve 5, a threaded hole is formed at the axis of the first gear 6, a lead screw 7 is slidably connected in the first sleeve 5, the upper end of the lead screw 7 penetrates through the threaded hole, and one end of the lead screw 7 penetrating through the lead screw is installed together with the partition plate 3, one side meshing of a pair of first gears 6 is connected with second gear 8, second gear 8 passes through the pinion stand and installs on first sleeve 5, be connected with between a pair of second gear 8 and link up roof beam 9, the one end that links up roof beam 9 runs through out shell 2, and link up roof beam 9 and run through out one end and install handle 10, through rotatory handle 10, handle 10 drives and links up roof beam 9 rotatory, rotatory roof beam 9 that links up drives coaxial second gear 8 and rotates, pivoted second gear 8 drives the first gear 6 of meshing and rotates, make threaded connection 7 in first gear 6 rise or descend, drive shell 2 and remove, thereby adapt to the not user of co-altitude.

Specifically, referring to fig. 2, the second sleeves 11 are vertically installed at four corners of the lower surface of the partition plate 3, the guide rods 12 are vertically installed on the bottom plate 4, the guide rods 12 are slidably connected in the second sleeves 11, and the guide rods 12 and the second sleeves 11 are slidably connected to provide a guiding function for the ascending or descending of the housing 2.

Specifically, referring to fig. 1 and 4, the driving assembly includes a pair of chute seats 13 installed along the length direction of the partition board 3, a threaded rod 14 is rotatably connected in each of the pair of chute seats 13, one end of the threaded rod 14 penetrates through the chute seat 13, and one end of the threaded rod 14 penetrating through is coaxially provided with a first belt wheel 15, the clapboard 3 is provided with a servo motor 16 through a motor base, the output end of the servo motor 16 is coaxially provided with a second belt wheel 17, the second belt wheel 17 is a double-groove belt wheel, the second belt wheel 17 is connected with the first belt wheels 15 at two sides through a belt, through starting servo motor 16, servo motor 16's output drives second band pulley 17 and rotates, and pivoted second band pulley 17 passes through the belt and drives the first band pulley 15 rotation of both sides, and pivoted first band pulley 15 drives coaxial threaded rod 14 rotatory, provides power for the removal of relay protection tester body 1.

Specifically, referring to fig. 1-2, a pair of threaded rods 14 are all in threaded connection with a nut seat 18, a pair of nut seats 18 are integrally installed on the upper surface of the nut seat 18, a connecting lug is installed between the pair of connecting lugs in a rotating manner, the relay protection tester body 1 is installed on the installing plate 20, the rotating threaded rods 14 drive the nut seats 18 in threaded connection with the threaded rods 14 to move linearly, and the relay protection tester body 1 is pushed to deviate along with the movement of the nut seats 18 towards one side of the servo motor 16.

Specifically, referring to fig. 4, a shaft sleeve 21 is mounted on the partition plate 3, a spindle 22 is rotatably connected in the shaft sleeve 21, two ends of the spindle 22 penetrate through the shaft sleeve 21 and are rotatably connected with a connecting arm 23, one end of the connecting arm 23, which is far away from the shaft sleeve 21, is rotatably connected with the side wall of the mounting plate 20, and in the process of deviation, the pair of connecting arms 23 play a role in limiting, so that the mounting plate 20 is deviated by taking a connecting point between the connecting arm 23 and the side wall of the mounting plate 20 as an axis.

Specifically, referring to fig. 1, a cover plate 19 is disposed on the relay protection tester body 1, the cover plate 19 is hinged to the housing 2 through a hinge shaft, and a latch is disposed between the cover plate 19 and the housing 2 to protect the relay protection tester body 1 in the housing 2 when not in use.

The use principle and the advantages are as follows:

when the tester is used, the servo motor 16 is started, the output end of the servo motor 16 drives the second belt wheel 17 to rotate, the rotating second belt wheel 17 drives the first belt wheels 15 on two sides to rotate through a belt, the rotating first belt wheel 15 drives the coaxial threaded rod 14 to rotate, the rotating threaded rod 14 drives the nut seat 18 in threaded connection with the threaded rod 14 to perform linear movement, the relay protection tester body 1 is pushed to deviate by taking a connecting point between the connecting arm 23 and the side wall of the mounting plate 20 as an axis along with the movement of the nut seat 18 towards one side of the servo motor 16, the handle 10 is rotated, the handle 10 drives the connecting beam 9 to rotate, the rotating connecting beam 9 drives the coaxial second gear 8 to rotate, the rotating second gear 8 drives the meshed first gear 6 to rotate, and the lead screw 7 in threaded connection with the first gear 6 is enabled to ascend or descend to drive the shell 2 to move.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Power plant's relay protection tester, including relay protection tester body (1) and be used for placing shell (2) of relay protection tester body (1), its characterized in that: the improved structure is characterized in that a partition plate (3) is horizontally installed in the shell (2), the partition plate (3) divides the shell (2) into an upper cavity and a lower cavity, a driving assembly is arranged above the partition plate, a bottom plate (4) is arranged below the partition plate (3), a pair of first sleeves (5) are installed on the two sides of the bottom plate (4) along the length direction, each first gear (6) is rotatably connected to an upper opening of each first sleeve (5), a lead screw (7) is slidably connected to each first sleeve (5), the first gear (6) penetrates through the upper end of each lead screw (7), one end of each lead screw (7) penetrates through the partition plate (3), one side of each first gear (6) is connected with a second gear (8) in a meshing manner, a linking beam (9) is connected between the second gears (8), one end of each linking beam (9) penetrates through the shell (2), and one end of the connecting beam (9) penetrating through is provided with a handle (10).

2. The power plant relay protection tester of claim 1, wherein: all install second sleeve (11) perpendicularly at four corners of baffle lower surface, install guide arm (12) perpendicularly on bottom plate (4), guide arm (12) sliding connection is in second sleeve (11).

3. The power plant relay protection tester of claim 1 or 2, wherein: drive assembly includes a pair of chute seat (13) of following baffle (3) length direction installation, and is a pair of all rotate in chute seat (13) and be connected with threaded rod (14), the one end of threaded rod (14) runs through out chute seat (13), and threaded rod (14) run through the equal coaxial arrangement of one end of wearing out and have first band pulley (15), install servo motor (16) through the motor cabinet on baffle (3), the output coaxial arrangement of servo motor (16) has second band pulley (17), be connected through belt drive between first band pulley (15) of second band pulley (17) and both sides.

4. The power plant relay protection tester of claim 3, wherein: the relay protection tester comprises a pair of threaded rods (14), nut seats (18) are connected to the threaded rods (14) in a threaded mode, a mounting plate (20) is connected between the nut seats (18) in a rotating mode, and the relay protection tester body (1) is mounted on the mounting plate (20).

5. The power plant relay protection tester of claim 4, wherein: install axle sleeve (21) on baffle (3), axle sleeve (21) internal rotation is connected with main shaft (22), the both ends of main shaft (22) are run through axle sleeve (21) and are rotated and be connected with linking arm (23), the lateral wall of the one end of keeping away from axle sleeve (21) in linking arm (23) and mounting panel (20) is rotated and is linked together.

6. The power plant relay protection tester of claim 1, wherein: the relay protection tester body (1) is provided with a cover plate (19), and the cover plate (19) is hinged with the shell (2) through a hinge shaft.

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