CN218298389U

CN218298389U - Automatic testing arrangement for power station transformer relay protection equipment

Info

Publication number: CN218298389U
Application number: CN202221006670.0U
Authority: CN
Inventors: 李凌华; 余涛; 孙超
Original assignee: Guangdong Hydropower Yunnan Investment Jinping Electric Power Co ltd
Current assignee: Guangdong Hydropower Yunnan Investment Jinping Electric Power Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2023-01-13
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses an automatic testing device for relay protection equipment of a hydropower station transformer, which relates to the technical field of testing devices and comprises a device main body, wherein a support frame is arranged at the upper end of the device main body, an electric cylinder is arranged at the upper end of the support frame, a guide rod is arranged at the upper end of the support frame, a cylinder connector is arranged at the lower end of the electric cylinder, a testing seat is arranged at the bottom of the cylinder connector, and a clamping assembly is arranged at the upper end of the device main body; the utility model provides a power station transformer relay protection equipment is with automatic testing arrangement, through clamping component's setting, and then fixes a position the relay that awaits measuring, avoids the relay to appear rocking in the test procedure, improves its stability, through the setting of retrieving the subassembly to accomodate unqualified relay, unified the handling improves its practicality.

Description

Automatic testing arrangement for power station transformer relay protection equipment

Technical Field

The utility model relates to a testing arrangement technical field specifically is an automatic testing arrangement for power station transformer relay protection equipment.

Background

The electric protection device is used for timely sending a warning signal to corresponding workers when electric power elements such as a generator, a circuit and the like or a power system has faults to endanger the safe operation of the power system, or sending a tripping command to a controlled breaker to prevent further development of the events and reduce damage to the power system, and in the production process of transformer relay protection devices, the transformer relay protection devices need to be tested to ensure whether products are qualified or not so as to ensure the application safety of the products;

however, the above cited prior patents and the testing device for relay protection devices in the market have disadvantages in the actual testing process, such as:

in the testing process, the relay protection equipment needs to be clamped and positioned to realize the testing operation, but the above patent needs to rotate the screw to drive the corresponding clamping plate to clamp and fix, so the operation is complex, and time and labor are wasted; and the splint carries out the clamp of relay in spring compression process, in the test process, can not guarantee the stability of relay.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a power station transformer relay protection equipment is with automatic testing arrangement has solved the problem among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an automatic testing device for hydropower station transformer relay protection equipment comprises a device main body, wherein a supporting frame is arranged at the upper end of the device main body, an electric cylinder is arranged at the upper end of the supporting frame, a guide rod is arranged at the upper end of the supporting frame, a cylinder connector is arranged at the lower end of the electric cylinder, a testing seat is arranged at the bottom of the cylinder connector, a clamping assembly is arranged at the upper end of the device main body, a recovery port is formed in the upper end of the device main body, and a recovery assembly is arranged at the bottom of the device main body;

the clamping assembly comprises a fixing plate, a buffer spring is arranged on one side of the fixing plate, a clamping plate is arranged on one side of the buffer spring, an auxiliary pad is arranged on one side of the clamping plate, a guide block is arranged on the other side of the clamping plate, a sliding hole is formed in the outer side of the fixing plate, a positioning hole is formed in the upper end of the guide block, a through hole is formed in the upper end of the fixing plate, a positioning pin is arranged inside the through hole, an auxiliary plate is arranged at the upper end of the positioning pin, a limiting spring is arranged at the lower end of the auxiliary plate, and a pulling handle is arranged at the upper end of the auxiliary plate.

As a further technical scheme of the utility model, the lower extreme fixed surface of device main part is connected with the supporting legs, the quantity of supporting legs is four groups and is array distribution, be fixed connection between cylinder connector and the test seat, retrieve the upper end surface that mouthful runs through the device main part.

As a further technical scheme of the utility model, be fixed connection between fixed plate and the buffer spring, buffer spring's quantity is two times of fixed plate, be fixed connection between splint and the supplementary pad, the supplementary pad is elastic construction, be fixed connection between guide block and the splint.

As a further technical scheme of the utility model, be the looks adaptation between guide block and the slide opening, the quantity of locating hole is a plurality of groups and is the array distribution, be linked together between through-hole and the slide opening, the bore of through-hole and locating hole equals.

As a further technical scheme of the utility model, be fixed connection between locating pin and the accessory plate, the both ends of spacing spring respectively with form fixed connection between accessory plate and the fixed plate, be fixed connection between accessory plate and the pulling handle.

As a further technical scheme of the utility model, retrieve the subassembly and include the collection box, the upper end fixedly connected with case handle of collection box, one side fixedly connected with case handle of collection box, the upper end fixedly connected with of collection box removes the strip, the quantity that removes the strip is two sets of and is the symmetric distribution, the upper end fixedly connected with limiting plate that removes the strip, the length of limiting plate and removal strip equals, the shifting chute has been seted up to one side of device main part, remove between the combination of strip and limiting plate and the shifting chute looks adaptation.

Advantageous effects

The utility model provides a power station transformer is automatic testing arrangement for relay protection equipment. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a power station transformer relay protection equipment is with automatic testing arrangement, setting through clamping components, before the relay test, the user at first places the relay in the upper end of device main part, secondly pull the handle through dragging on, make the accessory plate drive the locating pin and stimulate along the inboard of through-hole and locating hole, spacing spring stretches in the pulling process, until the locating pin breaks away from the inside of locating hole, outwards stimulate auxiliary pad and splint after that, buffer spring compresses in the pulling process, the guide block removes along the inside of sliding hole, until pasting two sets of auxiliary pads both sides of tight relay, at last loosen the pulling handle, under spacing spring's elastic potential energy, make the accessory plate drive the locating pin and remove along the inside of through-hole and locating hole, thereby fix the position of guide block, and then fix auxiliary pad, avoid the relay to appear rocking in the test process, improve its stability.

2. The utility model provides a power station transformer is automatic testing arrangement for relay protection equipment, setting through retrieving the subassembly, before the device main part uses, the user removes removal strip and the limiting plate of collection box upper end along the inboard of shifting chute, when the movement track until the shifting chute reaches the terminal point, aim at the recovery mouth with the opening part of collection box upper end, thereby accomodate unqualified relay, the unity is handled, use at the device main part and accomplish the back, through case handle pulling collection box, until pulling out the collection box, carry out the recovery processing of relay, improve its practicality.

Drawings

Fig. 1 is a schematic structural diagram of an automatic testing device for a hydropower station transformer relay protection device;

FIG. 2 is a partially disassembled view of a clamping assembly in an automated testing apparatus for a hydropower station transformer relay protection device;

FIG. 3 is a partial side sectional view of a clamping assembly in an automated testing apparatus for a hydropower station transformer relay protection device;

FIG. 4 is a partially exploded view of an automated testing apparatus for a hydropower station transformer protective relaying device;

fig. 5 is an enlarged view of a in fig. 4 of an automatic testing device for a hydropower station transformer relay protection device.

In the figure: 1. a device main body; 2. supporting legs; 3. a support frame; 4. an electric cylinder; 5. a guide rod; 6. a cylinder connector; 7. a test seat; 8. a clamping assembly; 81. a fixing plate; 82. A buffer spring; 83. a splint; 84. an auxiliary pad; 85. a guide block; 86. a slide hole; 87. positioning holes; 88. a through hole; 89. positioning pins; 810. an auxiliary plate; 811. a limiting spring; 812. pulling a handle; 9. a recovery port; 10. a recovery assembly; 101. a recycling bin; 102. a case handle; 103. A moving bar; 104. a limiting plate; 105. the slot is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides an automatic testing arrangement technical scheme for power station transformer relay protection equipment: the utility model provides a power station transformer relaying protection equipment is with automatic testing arrangement, including device main part 1, the upper end of device main part 1 is provided with support frame 3, the upper end of support frame 3 is provided with electric cylinder 4, the upper end of support frame 3 is provided with guide bar 5, the lower extreme of electric cylinder 4 is provided with cylinder connector 6, the bottom of cylinder connector 6 is provided with test seat 7, the upper end of device main part 1 is provided with clamping assembly 8, recovery mouth 9 has been seted up to the upper end of device main part 1, the bottom of device main part 1 is provided with recovery subassembly 10, clamping assembly 8 includes fixed plate 81, one side of fixed plate 81 is provided with buffer spring 82, one side of buffer spring 82 is provided with splint 83, one side of splint 83 is provided with supplementary pad 84, the opposite side of splint 83 is provided with guide block 85, sliding hole 86 has been seted up in the outside of fixed plate 81, locating hole 87 has been seted up to the upper end of guide block 85, fixed plate 81 upper end has seted up through-hole 88, the inside of through-hole 88 is provided with locating pin 89, the upper end of locating pin 89 is provided with accessory plate 810, the lower extreme of accessory plate 810 is provided with spacing spring 811, the upper end of accessory plate 810 is provided with pulling handle 812.

Referring to fig. 1, further, the outer surface of the lower end of the main body 1 of the device is fixedly connected with supporting legs 2, the number of the supporting legs 2 is four, the supporting legs are distributed in an array, the cylinder connectors 6 are fixedly connected with the test base 7, and the recycling port 9 penetrates through the outer surface of the upper end of the main body 1 of the device.

Referring to fig. 2-3, the fixing plate 81 is fixedly connected to the buffer springs 82, the number of the buffer springs 82 is twice that of the fixing plate 81, the clamping plate 83 is fixedly connected to the auxiliary pad 84, the auxiliary pad 84 is of an elastic structure, the guide block 85 is fixedly connected to the clamping plate 83, the guide block 85 is matched with the slide hole 86, the positioning holes 87 are arranged in groups and distributed in an array, the through holes 88 are communicated with the slide hole 86, and the diameters of the through holes 88 and the positioning holes 87 are equal.

Referring to fig. 4-5, the positioning pin 89 is fixedly connected to the auxiliary plate 810, two ends of the limiting spring 811 are fixedly connected to the auxiliary plate 810 and the fixing plate 81, the auxiliary plate 810 is fixedly connected to the handle 812, the recycling assembly 10 includes a recycling bin 101, a bin handle 102 is fixedly connected to the upper end of the recycling bin 101, a bin handle 102 is fixedly connected to one side of the recycling bin 101, moving strips 103 are fixedly connected to the upper end of the recycling bin 101, the moving strips 103 are symmetrically distributed in two groups, a limiting plate 104 is fixedly connected to the upper end of the moving strip 103, the lengths of the limiting plate 104 and the moving strip 103 are equal, a moving groove 105 is formed in one side of the device body 1, and a combination of the moving strip 103 and the limiting plate 104 is matched with the moving groove 105.

The utility model discloses a theory of operation: in the use of device main part 1, the user at first places the relay that awaits measuring in the upper end surface of device main part 1 through clamping component 8, through starting electric cylinder 4 for electric cylinder 4 drives test socket 7 and clamping component 8 downstream, laminates clamping component 8 and the pin of relay, thereby carries out the automated test of relay.

It should be noted that, through the setting of the clamping assembly 8, before the relay test, a user firstly places the relay on the upper end of the device main body 1, secondly pulls the handle 812 by pulling up, so that the auxiliary plate 810 drives the positioning pin 89 to pull along the inner sides of the through hole 88 and the positioning hole 87, the limiting spring 811 stretches during the pulling process until the positioning pin 89 is separated from the inside of the positioning hole 87, then pulls the auxiliary pad 84 and the clamping plate 83 outwards, the buffer spring 82 compresses during the pulling process, the guide block 85 moves along the inside of the sliding hole 86 until the two sets of auxiliary pads 84 are attached to two sides of the relay, and finally releases the pulling handle 812, so that the auxiliary plate 810 drives the positioning pin 89 to move along the inside of the through hole 88 and the positioning hole 87 under the elastic potential energy of the limiting spring 811, thereby fixing the position of the guide block 85, further positioning the auxiliary pad 84, avoiding the shaking of the relay during the test, and improving the stability thereof.

It should be noted that, by setting the recovery assembly 10, before the device main body 1 is used, the user moves the moving strip 103 and the limiting plate 104 on the upper end of the recovery box 101 along the inner side of the moving groove 105 until the movement track of the moving groove 105 reaches the end, the opening on the upper end of the recovery box 101 is aligned with the recovery port 9, so as to receive unqualified relays and process the relays uniformly, and after the device main body 1 is used, the recovery box 101 is pulled by the box handle 102 until the recovery box 101 is pulled out, so that the recovery processing of the relays is performed, and the practicability of the relays is improved.

Claims

1. An automatic testing device for a hydropower station transformer relay protection device comprises a device main body (1) and is characterized in that a support frame (3) is arranged at the upper end of the device main body (1), an electric cylinder (4) is arranged at the upper end of the support frame (3), a guide rod (5) is arranged at the upper end of the support frame (3), a cylinder connector (6) is arranged at the lower end of the electric cylinder (4), a testing seat (7) is arranged at the bottom of the cylinder connector (6), a clamping assembly (8) is arranged at the upper end of the device main body (1), a recycling port (9) is formed at the upper end of the device main body (1), and a recycling assembly (10) is arranged at the bottom of the device main body (1);

the clamping assembly (8) comprises a fixing plate (81), a buffer spring (82) is arranged on one side of the fixing plate (81), a clamping plate (83) is arranged on one side of the buffer spring (82), an auxiliary pad (84) is arranged on one side of the clamping plate (83), a guide block (85) is arranged on the other side of the clamping plate (83), a sliding hole (86) is formed in the outer side of the fixing plate (81), a positioning hole (87) is formed in the upper end of the guide block (85), a through hole (88) is formed in the upper end of the fixing plate (81), a positioning pin (89) is arranged inside the through hole (88), an auxiliary plate (810) is arranged at the upper end of the positioning pin (89), a limiting spring (811) is arranged at the lower end of the auxiliary plate (810), and a pulling handle (812) is arranged at the upper end of the auxiliary plate (810).

2. The automatic testing device for the relay protection equipment of the hydropower station transformer according to claim 1, wherein supporting legs (2) are fixedly connected to the outer surface of the lower end of the device main body (1), the supporting legs (2) are four groups and distributed in an array, the cylinder connectors (6) and the testing seat (7) are fixedly connected, and the recycling port (9) penetrates through the outer surface of the upper end of the device main body (1).

3. The automatic testing device for the relay protection equipment of the hydropower station transformer according to claim 1, wherein the fixing plate (81) is fixedly connected with the buffer springs (82), the number of the buffer springs (82) is twice that of the fixing plate (81), the clamping plate (83) is fixedly connected with the auxiliary pad (84), the auxiliary pad (84) is of an elastic structure, and the guide block (85) is fixedly connected with the clamping plate (83).

4. The automatic testing device for the hydropower station transformer relay protection equipment according to claim 1, wherein the guide block (85) is matched with the slide hole (86), the positioning holes (87) are distributed in a plurality of groups in an array, the through holes (88) are communicated with the slide hole (86), and the calibers of the through holes (88) and the positioning holes (87) are equal.

5. The automatic testing device for the relay protection equipment of the hydropower station transformer according to claim 1, wherein the positioning pin (89) is fixedly connected with the auxiliary plate (810), two ends of the limiting spring (811) are respectively fixedly connected with the auxiliary plate (810) and the fixing plate (81), and the auxiliary plate (810) is fixedly connected with the pulling handle (812).

6. The automatic testing device for the hydropower station transformer relay protection equipment according to claim 1, wherein the recovery assembly (10) comprises a recovery box (101), the upper end of the recovery box (101) is fixedly connected with a box handle (102), one side of the recovery box (101) is fixedly connected with a box handle (102), the upper end of the recovery box (101) is fixedly connected with moving strips (103), the number of the moving strips (103) is two sets of the moving strips and symmetrically distributed, the upper end of the moving strips (103) is fixedly connected with limiting plates (104), the lengths of the limiting plates (104) and the moving strips (103) are equal, one side of the device body (1) is provided with moving grooves (105), and the combination of the moving strips (103) and the limiting plates (104) is matched with the moving grooves (105).