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CN-224216722-U - Frequency modulation function testing device

CN224216722UCN 224216722 UCN224216722 UCN 224216722UCN-224216722-U

Abstract

The utility model provides a frequency modulation function testing device, which comprises a testing device body, wherein first support rods are arranged on two sides of the testing device body, a rotation connecting structure is arranged between the first support rods and the testing device body, the rotation connecting structure comprises a first rotating shaft and a nut sleeve, a second support rod is specially arranged between the two first support rods, the second support rod is in sliding connection with the first support rods, a telescopic rod is arranged on one side, close to the testing device body, of the second support rod, and one end of the telescopic rod is in rotary fit with a protection plate. According to the utility model, the telescopic rod is arranged on one side of the second support rod, which is close to the testing device body, and the protection plate is rotatably arranged at one end of the telescopic rod, so that the protection plate can be overturned, the limit of the protection plate on the rotation of the first support rod and the second support rod is prevented, and the second support rod can be slid, so that the angle of the testing device body is more convenient to adjust.

Inventors

  • WANG YOULONG
  • LI TENGJIAO
  • LI XINGMIN
  • ZHANG JIANLI
  • YUAN ZHONGRUI
  • YU PENGCHENG
  • MA QINGFENG
  • LI CHENGLU
  • WU TIANXIANG

Assignees

  • 华电莱州发电有限公司
  • 山东纳鑫电力科技有限公司

Dates

Publication Date
20260508
Application Date
20250113

Claims (10)

  1. 1. The utility model provides a frequency modulation function testing arrangement, includes testing arrangement body (1), its characterized in that, first bracing piece (8) have all been installed to the both sides of testing arrangement body (1), install rotation connection structure between first bracing piece (8) and testing arrangement body (1), rotation connection structure includes first pivot (3) and nut cover (5), be equipped with second bracing piece (9) specially between two first bracing pieces (8), second bracing piece (9) and first bracing piece (8) sliding connection, telescopic link (13) have been installed to one side that second bracing piece (9) are close to testing arrangement body (1), the one end normal running fit of telescopic link (13) has protection shield (2).
  2. 2. The frequency modulation function testing device according to claim 1, wherein the first rotating shaft (3) is fixedly connected with the testing device body (1), the nut sleeve (5) is in threaded fit with the first rotating shaft (3), and the pressing block (6) is fixed on the nut sleeve (5).
  3. 3. A frequency modulation function testing device according to claim 2, wherein the first rotating shaft (3) is rotatably matched with a rotating plate (4), and the rotating plate (4) is positioned between the pressing block (6) and the testing device body (1).
  4. 4. A frequency modulation function testing device according to claim 3, wherein a mounting plate (7) is fixed on one side of the rotating plate (4), and the mounting plate (7) is fixedly connected with the first supporting rod (8).
  5. 5. The frequency modulation function testing device according to claim 1, wherein the second supporting rod (9) is of a C-shaped structure, a chute (10) is formed in the first supporting rod (8), and a screw (11) is arranged at the end of the second supporting rod (9).
  6. 6. The frequency modulation function testing device according to claim 5, wherein the screw rod (11) is slidably connected with the chute (10), and nuts (12) are arranged at both ends of the screw rod (11).
  7. 7. The frequency modulation function testing device according to claim 1, wherein the second supporting rod (9) is provided with a rotating sleeve, the second supporting rod (9) is rotationally connected with the rotating sleeve, and the rotating sleeve is fixedly connected with the telescopic rod (13).
  8. 8. A frequency modulation function testing device according to claim 1, wherein a rotating frame (14) is fixed on one side of the protection plate (2), and the rotating frame (14) corresponds to the telescopic rod (13).
  9. 9. The frequency modulation function testing device according to claim 8, wherein the rotating frame (14) is internally fixed with a second rotating shaft (16), and the second rotating shaft (16) is rotatably connected with the telescopic rod (13).
  10. 10. The frequency modulation function testing device according to claim 1, wherein the lower side of the second supporting rod (9) and the lower side of the testing device body (1) are both fixedly provided with anti-skid blocks (15), and the anti-skid blocks (15) are made of rubber materials.

Description

Frequency modulation function testing device Technical Field The utility model relates to the technical field of frequency modulation function test, in particular to a frequency modulation function test device. Background The utility model provides a generating set control system is used for controlling generating set's operation, and primary frequency modulation function is one of them control logic of generating set control system, and when the frequency of electric wire netting deviates from rated value, generating set control system automatic control generating set of generating set in the electric wire netting increases or reduces and is incorporated into the power networks active power to restrict the change of electric wire netting frequency, make electric wire netting frequency maintain stable, for example, the patent of bulletin number CN219475731U discloses a primary frequency modulation function testing arrangement, including supporting component, including testing arrangement body, connecting piece, locating part, dead lever and connecting rod, the connecting piece set up in testing arrangement body both sides, the locating part sets up in the connecting piece, the dead lever is fixed in on the connecting piece, the connecting rod is fixed in between two the dead lever, and protection component sets up between two the dead lever, including protection frame, guide and fastener, the protection frame slides between two the dead lever. This technical scheme makes the device can support it when using through supporting component, and changes supporting angle more convenient when using, and can be used to mention the device when the transport, then protects the device through protecting component, but protecting component can cause spacingly to supporting component, leads to protecting component inconvenient opening, and influences supporting component's normal upset, leads to the device to use inconvenient. Therefore, the utility model provides a frequency modulation function testing device. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide a frequency modulation function testing device which solves the problems in the background art, can turn over a protection plate, thereby prevent that the protection shield from causing spacingly to the rotation of first bracing piece and second bracing piece to can slide the second bracing piece, thereby get up more convenient to the angular adjustment of testing arrangement body. In order to achieve the aim, the frequency modulation function testing device is achieved through the following technical scheme that the frequency modulation function testing device comprises a testing device body, first support rods are arranged on two sides of the testing device body, a rotary connecting structure is arranged between the first support rods and the testing device body and comprises a first rotating shaft and a nut sleeve, a second support rod is specially arranged between the two first support rods and is in sliding connection with the first support rods, a telescopic rod is arranged on one side, close to the testing device body, of the second support rod, and a protection plate is in rotary fit with one end of the telescopic rod. Further, the first rotating shaft is fixedly connected with the testing device body, the nut sleeve is in threaded fit with the first rotating shaft, and the pressing block is fixed on the nut sleeve. Further, the first rotating shaft is provided with a rotating plate in a rotating fit mode, and the rotating plate is located between the pressing block and the testing device body. Further, a mounting plate is fixed on one side of the rotating plate and is fixedly connected with the first supporting rod. Further, the second support rod is of a C-shaped structure, a sliding groove is formed in the first support rod, a screw is arranged at the end part of the second support rod, the screw corresponds to the sliding groove, and nuts are arranged at two ends of the screw. Further, a rotating sleeve is arranged on the second supporting rod, the second supporting rod is rotationally connected with the rotating sleeve, and the rotating sleeve is fixedly connected with the telescopic rod. Further, a rotating frame is fixed on one side of the protection plate, and the rotating frame corresponds to the telescopic rod. Further, a second rotating shaft is fixed in the rotating frame and is connected with the telescopic rod in a rotating mode. Furthermore, the second support rod and the testing device body are provided with anti-skid blocks. Specifically, the second bracing piece downside and the testing arrangement body downside are all fixed with the non slipping spur, and the non slipping spur is made by rubber material. The testing device for the frequency modulation function has the beneficial effects that the testing device comprises a second supporting rod, a testing device body, a telesco