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CN-224202910-U - Vertical dynamic performance test equipment for elastic backing plate of railway fastener

CN224202910UCN 224202910 UCN224202910 UCN 224202910UCN-224202910-U

Abstract

The utility model discloses a vertical power performance testing device for an elastic backing plate of a railway fastener, which comprises a sinusoidal displacement excitation loading device, a limiting rod and a connecting plate, wherein the upper side of the sinusoidal displacement excitation loading device is fixedly connected with a railway fastener body through a bolt, the bottom end of the connecting plate is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a pressing plate, the pressing plate is sleeved on the limiting rod, the center of the bottom end of the pressing plate is fixedly connected with a first hammer head, the two ends of the pressing plate are fixedly connected with supporting plates, the bottom side of the supporting plate is in threaded connection with a limiting pipe, the upper side of the limiting pipe is contacted with the pressing plate, the contact surface between the contact plate and the pressing plate is increased by arranging a detachable contact plate at the bottom side of the pressing plate, the limiting of the contact plate is provided by utilizing the limiting pipe, a limiting cross rod and a clamping block, and then the first hammer head can be protected by utilizing a connecting sleeve and a cushion sleeve, so that a knocking structure is convenient to adjust, and the detection efficiency is improved.

Inventors

  • LI YUNCHOU
  • CHEN JUNHONG

Assignees

  • 无锡鑫逸杰精密制造科技有限公司

Dates

Publication Date
20260505
Application Date
20250522

Claims (5)

  1. 1. The utility model provides a vertical dynamic performance test equipment of railway fastener elastic pad, includes sinusoidal displacement excitation loading device (1), gag lever post (2) and linking board (3), sinusoidal displacement excitation loading device (1) upside is through bolt fixedly connected with railway fastener body (11), a serial communication port, linking board (3) bottom fixedly connected with electric putter (4), electric putter (4) output fixedly connected with clamp plate (5), clamp plate (5) cup joint on gag lever post (2), clamp plate (5) bottom center department fixedly connected with first tup (6), clamp plate (5) both ends all fixedly connected with backup pad (7), backup pad (7) downside threaded connection has spacing pipe (8), spacing pipe (8) upside side contact has contact plate (9), contact plate (9) contact with clamp plate (5), contact plate (9) bottom fixedly connected with second tup (10), even fixedly connected with triangular prism (12) in clamp plate (5) bottom, triangular prism (12) one side contact has sunken, contact plate (9) are located sunken.
  2. 2. The device for testing the vertical dynamic performance of the elastic backing plate of the railway fastener according to claim 1, wherein the upper end of the pressing plate (5) is connected with a supporting rod (13) in a threaded mode, the bottom end of the supporting rod (13) is sleeved with a supporting sleeve (14), and the supporting sleeve (14) is fixedly connected with the second hammer head (10).
  3. 3. The device for testing the vertical dynamic performance of the elastic backing plate of the railway fastener according to claim 2, wherein the upper end of the second hammer head (10) is fixedly connected with a connecting sleeve (15), the connecting sleeve (15) is internally connected with a cushion sleeve in a glue manner, and the cushion sleeve corresponds to the first hammer head (6).
  4. 4. The device for testing the vertical dynamic performance of the elastic backing plate of the railway fastener according to claim 1, wherein the two sides of the contact plate (9) are provided with the adapting grooves (16), and the sliding balls (17) are rotationally embedded in the adapting grooves (16).
  5. 5. The device for testing the vertical power performance of the elastic backing plate of the railway fastener according to claim 4, wherein a clamping block (19) is contacted with the bottom end of the contact plate (9), a limiting cross rod (18) is sleeved on the clamping block (19), and two ends of the limiting cross rod (18) are spliced with the limiting pipe (8).

Description

Vertical dynamic performance test equipment for elastic backing plate of railway fastener Technical Field The utility model relates to the technical field of elastic backing plates, in particular to a vertical dynamic performance testing device for an elastic backing plate of a railway fastener. Background The elastic backing plate of the railway fastener is an elastic component used between a steel rail and a support structure under the rail in a railway track system, and can ensure the safety and stability of train operation by buffering vibration, dispersing load, providing insulation, adjusting geometric position and the like, and the vertical dynamic performance of the elastic backing plate is required to be detected by a large-scale fatigue testing machine in the production process of the elastic backing plate. According to the ' vertical dynamic performance testing equipment and control device of the elastic backing plate of the railway fastener ' disclosed in the Chinese patent publication No. CN107228760B ', the lifting of the adjusting component can be realized under the action of the driving device, namely, the height of the supporting plate connected with the adjusting component relative to the horizontal plane can be relatively raised or lowered, so that the effect of adjusting the height of the supporting plate is achieved. The spiral lifter has the function of automatically adjusting the height of the supporting plate, and can greatly reduce the cost of manual adjustment. The spiral lifter is mainly used for adjusting the height of the loading table after the elastic backing plate is installed, so that the actuating head can be contacted with the short steel rail, and the initial pre-pressure of the elastic backing plate is adjusted. The common vertical dynamic performance test equipment detects the vertical dynamic performance of the elastic backing plate through the joint execution of mechanisms such as a spiral lifter, a sinusoidal displacement excitation loading device, a vertical loading execution device and the like, however, the high-frequency low-energy impact and the low-frequency high-energy impact are required to be detected in the knocking process, and the knocking structure is required to be replaced in the testing process, so that the detection is troublesome. Therefore, the vertical dynamic performance testing equipment for the elastic backing plate of the railway fastener is provided, so that the problem that the knocking structure needs to be replaced according to the detection process, and the detection is troublesome is solved. Disclosure of utility model The utility model aims to solve the technical problem that the knocking structure needs to be replaced according to the detection process, so that the detection is troublesome, and therefore provides the vertical dynamic performance testing equipment for the elastic backing plate of the railway fastener. The technical scheme includes that the vertical dynamic performance testing device for the elastic backing plate of the railway fastener comprises a sinusoidal displacement excitation loading device, a limiting rod and a connecting plate, wherein the upper side of the sinusoidal displacement excitation loading device is fixedly connected with a railway fastener body through a bolt, the bottom end of the connecting plate is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a pressing plate, the pressing plate is sleeved on the limiting rod, the center of the bottom end of the pressing plate is fixedly connected with a first hammer head, the two ends of the pressing plate are fixedly connected with supporting plates, the bottom side of the supporting plate is in threaded connection with a limiting pipe, the upper side of the limiting pipe is contacted with a contact plate, the contact plate is contacted with the pressing plate, the bottom end of the contact plate is fixedly connected with a second hammer head, the bottom end of the pressing plate is uniformly and fixedly connected with triangular columns, one side of each triangular column is contacted with a dent, and the dent is positioned on the contact plate. As an optimized technical scheme of the utility model, the upper end of the pressing plate is connected with the supporting rod in a threaded manner, the bottom end of the supporting rod is sleeved with the supporting sleeve, the supporting sleeve is fixedly connected with the second hammer head, and the stability of the second pressing plate during knocking can be improved through the supporting rod and the supporting sleeve. As a preferable technical scheme of the utility model, the upper end of the second hammer head is fixedly connected with the connecting sleeve, the connecting sleeve is internally connected with the cushion sleeve in a glue manner, the cushion sleeve corresponds to the first hammer head, and the wear of the first hammer head and the