CN216285602U

CN216285602U - Relay protection test device

Info

Publication number: CN216285602U
Application number: CN202122001949.1U
Authority: CN
Inventors: 张倩
Original assignee: Sanmenxia Polytechnic
Current assignee: Sanmenxia Polytechnic
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-04-12
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a relay protection test device, which relates to the field of electrical engineering and comprises a main body, a damping structure and a lifting structure, wherein the bottom end of the main body is connected with a traveling wheel, the top end of the main body is provided with an outer box, and the inner wall of the top end of the outer box is rotatably connected with an upper cover. The lifting structure is arranged, the motor is started, the motor works to drive the screw rod to rotate, the threads of the inner walls of the first sliding block and the second sliding block are opposite, so that the first sliding block and the second sliding block move along the threads of the outer wall of the screw rod when the screw rod rotates, the first sliding block and the second sliding block move to drive the second supporting rod and the first supporting rod to rotate along the rotating rod at the central position, and at the moment, the lifting plate connected with one ends of the second supporting rod and the first supporting rod also moves vertically, so that the device positioned on the outer wall of the lifting plate is lifted, the purpose of lifting the device is achieved, and the working efficiency is improved.

Description

Relay protection test device

Technical Field

The utility model relates to the field of electrical engineering, in particular to a relay protection test device.

Background

When a power element (such as a generator, a line and the like) in a power system or the power system itself has a fault, which endangers the safe operation of the power system, an automatic measure and equipment which can send a warning signal to an operation attendant in time or directly send a tripping command to a controlled breaker to terminate the development of the events are provided, and a complete set of equipment for realizing the automatic measure is generally called a relay protection device.

The relay protection test device is mainly used for testing and researching various electromagnetic, integrated circuit and microcomputer protection relays and protection systems of various voltage levels, is a necessary tool for debugging and periodically testing before the protection device of a power base unit is put into operation, is generally transported to a destination by using a transport tool in the carrying process of the general relay protection test device, and can generate bumping and other conditions in the transportation process, while the outer box of the existing transport tool is lack of a damping protection device, the relay protection test device is easy to be damaged in bumping, so that the service life of the relay protection test device is shortened, and the relay protection test device is large in size, heavy in weight and inconvenient to take out from an output tool for use, so the utility model provides the relay protection test device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the relay protection test device is too heavy in size and is not convenient to take out of a transportation device for use, the relay protection test device is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a relay protection test device comprises a main body, a damping structure and a lifting structure, wherein the bottom end of the main body is connected with a traveling wheel, the top end of the main body is provided with an outer box, and the inner wall of the top end of the outer box is rotatably connected with an upper cover;

wherein, shock-absorbing structure is including the splint that are located the main part inner wall, one side outer wall of splint is provided with connecting block and sleeve, the connecting block is located telescopic one side, the one end of connecting block is rotated and is connected with the connecting rod No. one, the one end of connecting rod runs through to the inner wall rotation of outer container and is connected with the slider, the inner wall that the one end of slider is located the outer container is provided with the spring No. one, telescopic inner wall is provided with the telescopic link that runs through to sleeve outer wall, the outer wall of telescopic link is provided with the spring No. two.

As a still further scheme of the utility model: the utility model discloses a lifting structure, including being located outer container inner wall and being located the motor between the lifter plate, the bottom of motor is connected with bracing piece and No. two bracing pieces, the central point that the bracing piece is located No. two bracing pieces puts the department and rotates the connection, the one end of bracing piece is connected with the sliding block No. one, the one end of No. two bracing pieces is connected with the sliding block No. two, the inner wall of sliding block No. two and sliding block is provided with the lead screw, the one end of lead screw is connected with the motor, the outer wall of sliding block and sliding block No. two all is connected with the connecting rod No. two.

As a still further scheme of the utility model: the motor passes through wire and external power electric connection, No. one sliding block, No. two sliding blocks all rotate the swivelling joint through the dwang and the one end of No. two bracing pieces, a bracing piece.

As a still further scheme of the utility model: the inner wall of a sliding block, No. two sliding blocks all be provided with lead screw outer wall assorted screw thread, the inner wall screw thread of a sliding block and No. two sliding blocks is opposite.

As a still further scheme of the utility model: the transversal right triangle-shaped of personally submitting of splint, the quantity of walking wheel is provided with a plurality ofly, and is a plurality of walking wheel evenly distributed is in the bottom four corners position department of main part.

As a still further scheme of the utility model: the inner wall of outer container is provided with and removes orbit assorted recess with the slider, the outer wall of outer container is provided with and removes orbit assorted recess with a connecting rod.

As a still further scheme of the utility model: the telescopic inner wall is provided with the recess with telescopic link outer wall assorted, the quantity of a connecting rod is provided with the multiunit, and two liang of a set of all are connected through one side outer wall of connecting block and splint.

Compared with the prior art, the utility model has the beneficial effects that:

1. through having set up elevation structure, through the starter motor, motor work will drive the lead screw and rotate, because the inner wall screw thread of sliding block and No. two sliding blocks is opposite, so sliding block and No. two sliding blocks will be along the outer wall screw thread removal of lead screw when the lead screw rotates, sliding block and No. two sliding block remove will drive No. two bracing pieces, bracing piece rotates along the dwang of central point department of putting, this moment with No. two bracing pieces, the lifter plate that bracing piece one end is connected also will vertical migration, thereby make the device that is located the lifter plate outer wall rise, reached and carried out the purpose that goes up and down to the device, and the work efficiency is improved.

2. Through having set up shock-absorbing structure, receive when jolting when the main part is removing the process, the device that lies in the main part inside this moment will rock too, splint this moment will receive pressure and remove, when splint remove, will drive the connecting block that lies in its one side outer wall, the sleeve removes and will make the telescopic link remove along telescopic inner wall and give No. two spring pressure simultaneously, the connecting block removes and will make a connecting rod rotate along the position department rather than contacting, it moves to drive the slider that lies in a connecting rod removal simultaneously, the slider removes and will give a spring pressure, the pressure of No. two springs this moment will offset the part with the thrust that a spring produced each other, thereby what the reduction device produced rocks, reached and reduced the probability that the device can damage because of jolting at the removal process, the life of device has been improved.

Drawings

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

FIG. 2 is an enlarged view of a portion of the present invention at A;

fig. 3 is a schematic structural diagram of the a lifting structure of the present invention.

In the figure: 1. a main body; 2. a traveling wheel; 3. an outer box; 4. an upper cover; 5. a shock-absorbing structure; 501. a splint; 502. connecting blocks; 503. a first connecting rod; 504. a slider; 505. a first spring; 506. a sleeve; 507. a telescopic rod; 508. a second spring; 6. a lifting structure; 601. a motor; 602. a screw rod; 603. a first sliding block; 604. a second slider; 605. a first support rod; 606. a second support rod; 607. a second connecting rod; 608. a lifting plate.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 3, in the embodiment of the present invention, a relay protection testing apparatus includes a main body 1, a damping structure 5, and a lifting structure 6, wherein a traveling wheel 2 is connected to a bottom end of the main body 1, an outer box 3 is disposed at a top end of the main body 1, and an upper cover 4 is rotatably connected to an inner wall of the top end of the outer box 3;

wherein, shock-absorbing structure 5 is including being located the splint 501 of main part 1 inner wall, one side outer wall of splint 501 is provided with connecting block 502 and sleeve 506, connecting block 502 is located one side of sleeve 506, the one end of connecting block 502 is rotated and is connected with connecting rod 503 No. one, the one end of connecting rod 503 is run through to the inner wall of outer container 3 and is rotated and be connected with slider 504, the one end of slider 504 is located the inner wall of outer container 3 and is provided with spring 505 No. one, the inner wall of sleeve 506 is provided with the telescopic link 507 that runs through to the sleeve 506 outer wall, the outer wall of telescopic link 507 is provided with spring 508 No. two.

Please refer to fig. 3, the lifting structure 6 includes a motor 601 located on the inner wall of the outer box 3 and located between the lifting plates 608, the bottom end of the motor 601 is connected with a first support rod 605 and a second support rod 606, the first support rod 605 is located at the center of the second support rod 606 and is rotatably connected, one end of the first support rod 605 is connected with a first sliding block 603, one end of the second support rod 606 is connected with a second sliding block 604, the inner walls of the second sliding block 604 and the first sliding block 603 are provided with a lead screw 602, one end of the lead screw 602 is connected with the motor 601, the outer walls of the first sliding block 603 and the second sliding block 604 are both connected with a second connecting rod 607, through the structure, the experimental apparatus can be lifted under the action of the lifting plates 608 and the motor 601.

Please refer to fig. 3, the motor 601 is electrically connected to an external power source through a wire, the first sliding block 603 and the second sliding block 604 are rotatably connected to one end of the second supporting rod 606 and one end of the first supporting rod 605 through a rotating rod, and the second supporting rod 606 and the first supporting rod 605 can rotate along the position where the first sliding block 603 and the second sliding block 604 contact with each other through the structure.

Please refer to fig. 3, the inner walls of the first sliding block 603 and the second sliding block 604 are both provided with threads matching with the outer wall of the screw 602, the threads of the inner walls of the first sliding block 603 and the second sliding block 604 are opposite, by this structure, the motor 601 is started to work to drive the screw 602 connected with the output end rotating shaft and the coupling to rotate, because the threads of the inner walls of the first sliding block 603 and the second sliding block 604 are opposite, when the screw 602 rotates, the first sliding block 603 and the second sliding block 604 will move along the outer wall threads of the screw 602, the first sliding block 603 and the second sliding block 604 will drive the second supporting rod 606 and the first supporting rod 605 to rotate along the rotating rod at the central position, and at this time, the lifting plate 608 connected with one end of the second supporting rod 606 and the first supporting rod 605 will also move vertically.

Please refer to fig. 2, the cross section of the clamp plate 501 is a right triangle, a plurality of walking wheels 2 are arranged, the walking wheels 2 are uniformly distributed at four corners of the bottom end of the main body 1, and the clamp plate 501 can move along the direction opposite to the direction of the force when being pressed by the external force.

Please refer to fig. 2 again, the inner wall of the outer box 3 is provided with a groove matching with the moving track of the sliding block 504, the outer wall of the outer box 3 is provided with a groove matching with the moving track of the first connecting rod 503, by this structure, when the clamp plate 501 moves, the connecting block 502 and the sleeve 506 on the outer wall of one side of the clamp plate are driven to move, the sleeve 506 moves, the telescopic rod 507 moves along the inner wall of the sleeve 506 and applies pressure to the second spring 508, meanwhile, the connecting block 502 moves, the first connecting rod 503 rotates along the position contacting with the connecting block, and simultaneously the sliding block 504 on the moving of the first connecting rod 503 is driven to move, the sliding block 504 moves and applies pressure to the first spring 505, and at this time, the pressure of the second spring 508 and the pushing force generated by the first spring 505 cancel each other.

Please refer to fig. 1, the inner wall of the sleeve 506 is provided with a groove matching with the outer wall of the expansion link 507, the number of the first connecting rods 503 is provided with a plurality of groups, each two of the groups are connected with the outer wall of one side of the clamp plate 501 through the connecting block 502, and the structure can reduce the vibration generated in the moving process of the device.

The working principle of the utility model is as follows: when the device is used, the motor 601 is started, the motor 601 works to drive the screw rod 602 which is rotationally connected with the output end rotating shaft and the coupling to rotate, because the threads of the inner walls of the first sliding block 603 and the second sliding block 604 are opposite, when the screw rod 602 rotates, the first sliding block 603 and the second sliding block 604 move along the threads of the outer wall of the screw rod 602, the first sliding block 603 and the second sliding block 604 move to drive the second supporting rod 606 and the first supporting rod 605 to rotate along the rotating rod at the central position, at the moment, the lifting plate 608 connected with one end of the second supporting rod 606 and one end of the first supporting rod 605 also vertically moves, so that the device positioned on the outer wall of the lifting plate 608 is lifted, when the main body 1 is bumped and shaken in the moving process, the device positioned in the main body 1 also shakes, at the moment, the clamping plate 501 moves under the pressure, and when the clamping plate 501 moves, the connecting block 502 positioned on the outer wall of one side of the clamping plate is driven to rotate, The sleeve 506 moves, the sleeve 506 moves to enable the telescopic rod 507 to move along the inner wall of the sleeve 506 and apply pressure to the second spring 508, meanwhile, the connecting block 502 moves to enable the first connecting rod 503 to rotate along the position where the connecting rod is in contact with the connecting rod 503, meanwhile, the sliding block 504 which is located on the moving position of the first connecting rod 503 is driven to move, the sliding block 504 moves to apply pressure to the first spring 505, and at the moment, the pressure of the second spring 508 and the pushing force generated by the first spring 505 are mutually offset.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A relay protection test device comprises a main body (1), a damping structure (5) and a lifting structure (6), and is characterized in that the bottom end of the main body (1) is connected with a traveling wheel (2), the top end of the main body (1) is provided with an outer box (3), and the inner wall of the top end of the outer box (3) is rotatably connected with an upper cover (4);

wherein, shock-absorbing structure (5) are including splint (501) that are located main part (1) inner wall, one side outer wall of splint (501) is provided with connecting block (502) and sleeve (506), connecting block (502) are located one side of sleeve (506), the one end of connecting block (502) is rotated and is connected with connecting rod (503) No. one, the one end of connecting rod (503) is run through to the inner wall of outer container (3) and is rotated and be connected with slider (504), the inner wall that the one end of slider (504) is located outer container (3) is provided with spring (505) No. one, the inner wall of sleeve (506) is provided with and runs through telescopic link (507) to sleeve (506) outer wall, the outer wall of telescopic link (507) is provided with spring (508) No. two.

2. The relay protection test device according to claim 1, wherein the lifting structure (6) comprises a motor (601) located on the inner wall of the outer box (3) and located between the lifting plates (608), the bottom end of the motor (601) is connected with a first support rod (605) and a second support rod (606), the first support rod (605) is positioned at the center of the second support rod (606) and is connected with the second support rod in a rotating way, one end of the first supporting rod (605) is connected with a first sliding block (603), one end of the second support rod (606) is connected with a second sliding block (604), the inner walls of the second sliding block (604) and the first sliding block (603) are provided with a screw rod (602), one end of the screw rod (602) is connected with a motor (601), and the outer walls of the first sliding block (603) and the second sliding block (604) are both connected with a second connecting rod (607).

3. The relay protection test device according to claim 2, wherein the motor (601) is electrically connected to an external power source through a wire, and the first sliding block (603) and the second sliding block (604) are both rotatably connected to the second supporting rod (606) and the first supporting rod (605) through a rotating rod and an end turn 502 of the second supporting rod (606) and the first supporting rod.

4. The relay protection test device according to claim 2, wherein the inner walls of the first sliding block (603) and the second sliding block (604) are provided with threads matching with the outer wall of the screw rod (602), and the threads of the inner walls of the first sliding block (603) and the second sliding block (604) are opposite.

5. The relay protection test device according to claim 1, wherein the cross section of the clamping plate (501) is a right triangle, the number of the walking wheels (2) is multiple, and the walking wheels (2) are uniformly distributed at four corners of the bottom end of the main body (1).

6. The relay protection test device according to claim 1, wherein the inner wall of the outer box (3) is provided with a groove matched with the moving track of the sliding block (504), and the outer wall of the outer box (3) is provided with a groove matched with the moving track of the first connecting rod (503).

7. The relay protection test device according to claim 1, wherein the inner wall of the sleeve (506) is provided with a groove matched with the outer wall of the telescopic rod (507), the number of the first connecting rods (503) is provided with a plurality of groups, and each group is connected with the outer wall of one side of the clamping plate (501) through the connecting block (502).