Railway platform door system test loading device
By designing a combination of support and loading systems, and utilizing the flexible loading of electric servo actuators and rubber pads, the problem of linear loading of large platform doors was solved, achieving safe and accurate test results, reducing costs and time, and improving test efficiency and versatility.
Patent Information
- Application Number
- CN202421811907.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-07-30
AI Technical Summary
Existing technologies make it difficult to achieve linear loading of large railway platform doors in a ventilation chamber, leading to difficulties in detection and easy damage to the door body.
A loading device for structural testing of railway platform screen door systems was designed. It adopts a support system, a loading system and a control system. Through the combination of support columns, support seats, loading beams and conical loading discs, linear loading of platform screen door specimens is achieved. Flexible loading is achieved by using electric servo actuators and rubber pads to adapt to different models and specifications.
It enables safe and accurate loading of different types of platform screen door systems, avoids damage caused by rigid contact, reduces testing costs and time, and improves testing efficiency and versatility.
Smart Images

Figure CN223470895U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to vehicle engineering technical field relates to the research of vehicle parts detection technology, concretely is platform door system structure test test loading device. BACKGROUND
[0002] Platform door system is widely used in urban rail transit and high-speed rail station, is arranged at the edge of platform, is used to ensure the influence of train on platform environment, reduce the energy consumption of ventilation system, ensure the safe operation of train and the safety of passenger travel important equipment. The design of platform door movement kinetic energy and anti-extrusion mode can also ensure that passengers are not injured, and the anti-skid threshold can prevent passengers from falling. As a platform device to protect passenger travel safety, platform door bears the wind pressure load brought by train operation and the load generated by passenger extrusion, at present, most of railway platform doors are detected according to TB / T 3559-2020 "intercity railway platform door system", the standard stipulates that the structure test of platform door is carried out in the wind chamber or is converted into linear load, in the actual operation process, due to the large area of platform door and the long door body, it is extremely difficult to realize the loading mode in the wind chamber, therefore, it is urgent to design a platform door system structure test linear test loading device, which can be used for test loading of platform door systems of different models and specifications to meet the platform door system structure test requirements. SUMMARY
[0003] The utility model discloses in view of above-mentioned problem, propose a kind of railway platform door system structure test test loading device, for railway platform door system structure test test, this test platform can guarantee the safety of easy operation of test, also can guarantee accurate loading, ensure test quality, and this test platform can also be used for other small load sample linear loading, with very strong versatility.
[0004] In order to realize the above object, the utility model adopts the following technical scheme:
[0005] The utility model discloses a kind of railway platform door system test loading device, the test platform includes loading system, support system, control system, platform door test piece and workbench. The platform door test piece is vertically installed on workbench by support system;Support system includes support column, support seat and support longitudinal beam;Support column is vertically fixed on workbench, the support seat is horizontally arranged, and is vertically movably connected with support column, and support seat can vertically slide along support column;Support longitudinal beam is installed on platform door test piece;Loading system is arranged between the support seat and support longitudinal beam, and the loading system includes actuator and loading beam;The fixed end of actuator is installed on support seat, and the actuation end of actuator is connected with loading beam;The loading beam is connected with support longitudinal beam;Platform door test piece is further provided with loading crossbeam and conical loading disc, the loading crossbeam is installed on support longitudinal beam, and the conical loading disc is installed on loading crossbeam.
[0006] Preferably, the workbench adopts a cross-shaped T-shaped groove structure.
[0007] Preferably, a strip-shaped long groove is formed on the support column.
[0008] Preferably, the actuator is fixed on the support base by electric servo driving, one end of the actuator is provided with a spherical hinge, and a loading beam is installed on the other end of the actuator, the installation surface of the loading beam and the actuator adopts an aluminum plate, and aluminum square hollow grooves are welded on the left and right sides of the aluminum plate, and the square hollow groove structure is used as the frame of the loading beam.
[0009] Preferably, four cross beams are welded on the loading end of the loading beam, and the cross beams are connected with the support longitudinal beams through bolts.
[0010] Preferably, the support longitudinal beams are located at the two ends of the loading beam and are connected with the loading cross beams through bolts, the loading cross beams are provided with bolt holes, and the conical loading discs are uniformly installed.
[0011] Preferably, the conical loading disc is a conical rubber pad of a long bolt rod, the long bolt rod can adjust the installation position of the conical loading disc, and the test loading of platform door test pieces of different models and specifications can be realized by shortening or lengthening the long bolt rod of part of the conical loading disc.
[0012] In summary, the utility model has the advantages of simple structure, test loading of sample pieces of different models and specifications can be realized by adjusting the extension and retraction amount of a small number of long bolt rods of loading rubber pads or changing the length of part of the support longitudinal beams or the loading cross beams, test cost is greatly saved, test efficiency is improved, sample replacement and disassembly are simple, test operation is simple, and the real stress condition of the platform door system can be simulated. The phenomenon of uneven stress of the sample piece caused by rigid loading is avoided by the mode that the rubber pad contacts with the test sample piece, the sample piece is damaged due to rigid contact is avoided due to the fact that the platform door system is mainly made of glass, the linear loading mode can be used for static load tests of platform door systems or other small-load fragile sample pieces of various models, load is uniformly distributed and stress is uniformly borne, has great universality, and has good application effect in actual test process. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings are part of the utility model specification, which shows the embodiments of the utility model, and the drawings are used together with the specification to explain the principle of the utility model.
[0014] Fig. 1 It is a whole structure schematic view of the utility model;
[0015] Fig. 2 It is a whole structure longitudinal view of the utility model;
[0016] Fig. 3 It is a loading test frame schematic view of the utility model;
[0017] BRIEF DESCRIPTION OF DRAWINGS
[0018] 1 - working table, 2 - platform door test piece, 3 - support column, 4 - support base, 5 - actuator, 6 - loading beam, 7 - support longitudinal beam, 8 - loading cross beam, 9 - conical loading disc. DETAILED DESCRIPTION
[0019] The utility model patent will be explained in detail below in combination with the drawings and specific embodiments.
[0020] In combination Figs. 1-3 , the utility model provides a railway platform door system test loading device, and the test bench includes a loading system, a support system, a control system, a platform door test piece 2 and a working table 1.
[0021] The platform door test piece 2 is vertically installed on the working table 1 through the support system; the support system includes a support column 3, a support base 4 and a support longitudinal beam 7; the support column 3 is vertically fixed on the working table 1, the support base 4 is horizontally arranged and is movably connected with the support column 3 perpendicularly, and the support base 4 can vertically slide along the support column 3; the support longitudinal beam 7 is installed on the platform door test piece 2; the loading system is arranged between the support base 4 and the support longitudinal beam 7, and the loading system includes an actuator 5 and a loading beam 6; the fixed end of the actuator 5 is installed on the support base 4, and the actuating end of the actuator 5 is connected with the loading beam 6; the loading beam 6 is connected with the support longitudinal beam 7; the platform door test piece 2 is further provided with a loading cross beam 8 and a conical loading disc 9, the loading cross beam 8 is installed on the support longitudinal beam 7, and the conical loading disc 9 is installed on the loading cross beam 8.
[0022] Further, the working table 1 adopts a cross-shaped T-shaped groove structure, which facilitates the disassembly and position adjustment of the platform door test piece 2 and the support column 3.
[0023] Further, a strip-shaped long groove is formed in the support column 3, which facilitates the position adjustment of the support base 4.
[0024] Further, the actuator 5 is fixed on the support base 4 by electric servo driving, one end of the actuator 5 is provided with a ball hinge, and the plane of the platform door test piece 2 can be conveniently leveled and loaded.
[0025] Further, the loading beam 6 is installed at the other end of the actuator 5, the installation surface of the loading beam 6 and the actuator 5 adopts a 20mm-thick aluminum plate, and square hollow grooves with a thickness of 5mm are welded on the left and right sides, and the square hollow groove structure as the frame of the loading beam 6 can effectively reduce the weight of the loading structure, save the test cost and ensure the structural test strength.
[0026] Further, the loading end of the loading beam 6 is welded with four cross beams, which are connected with the support longitudinal beam 7 through M16 bolts. This connection mode facilitates the replacement of support longitudinal beams 7 of different lengths according to the size of the sample.
[0027] Further, the support longitudinal beam 7 is located at both ends of the loading beam 6 and is connected with the loading cross beam 8 through M16 bolts. The loading cross beam 8 is provided with bolt holes and is uniformly installed with the conical loading disc 9.
[0028] Further, the conical loading disc 9 is a conical rubber pad with a threaded stroke of 100mm long bolt rod. The long bolt rod can adjust the installation position of the conical loading disc 9. The test loading of platform door samples 2 of different models and specifications can be realized by only retracting or lengthening part of the bolt rod of the conical loading disc 9. Embodiment 1
[0029] When using the loading device, the extension amount of the bolt rod of the conical loading disc 9 is adjusted according to the height and opening of the platform door sample 2, so that the conical loading disc 9 to be used is in contact with the platform door sample 2. If the platform door sample 2 is too large or too small, part of the support longitudinal beam 7 or the loading cross beam 8 can be replaced to meet the loading requirements of the sample. The test device only needs to adjust the extension amount of part of the conical loading disc 9 or replace a small number of support longitudinal beams 7 or loading cross beams 8 to realize the test loading of platform door samples 2 of different models and specifications. The actuator adopts a spherical hinge structure at one end, which can adjust the loading device according to the plane position to ensure that the test load is accurately transmitted to the sample. The test device can be applied to small load test loading of platform door samples of different models and specifications and other rolling stock parts. It can also be applied to test loading of other surface fragile parts and surface non-rigid parts. Only by adjusting the length of the bolt rod of part of the bolt loading disc or replacing a small number of loading plates, the loading device can be applied to various samples without frequent replacement of special tools. The design greatly saves test cost, manpower and operation time, which is beneficial to the economic benefit of enterprises. During the test, the load frequency is 1-2Hz, which ensures that the load is slowly and uniformly applied to the platform door sample 2. The limit value setting of the test load and displacement value of the control system during the test process can prevent the damage of the platform door sample 2 and the test equipment caused by power failure or loss of control of the test equipment. The electric servo actuator does not emit waste oil and waste gas, which saves test cost and is safe and environmentally friendly. Embodiment 2
[0030] A railway platform door system test loading device mainly includes a workbench, an actuator, a control system, a support structure and a linear loading structure.
[0031] The station door system is arranged in the center of the workbench, the support structure is arranged on the edge of the workbench and faces the station door system, a long slot is arranged on the support structure to adjust the installation position of the actuator, the actuator is connected with the support structure and the loading beam, the loading beam is welded by several aluminum square grooves, the hollow groove is adopted to reduce the weight of the loading device and facilitate the construction of the main frame of the loading structure. Four cross beams are welded on the loading end of the loading beam, bolt holes are arranged at the two ends of the cross beams and are connected with the support longitudinal beams, the support longitudinal beams can be changed in size to match the loading requirements of station doors with different heights, the support longitudinal beams are uniformly arranged with bolt holes to connect the loading cross beams, the loading cross beams are arranged with bolt holes, the tapered rubber pads with long bolt rods are uniformly arranged and mounted, the position of the rubber loading pad can be adjusted by changing the extension amount of the bolt rods, therefore, the test loading of station doors with different specifications can be realized by changing the extension amount of a small number of bolt rods, the tooling does not need to be changed and disassembled, manpower and time are saved, test cost is greatly saved, and the universality of the test device is improved.
[0032] The utility model discloses an electric servo control system, the actuator both ends have rotary head can realize small amplitude swing, also can slightly adjust loading plane angle, satisfy the even loading of special specification test sample, set displacement limit to each actuator in control system, avoid the damage of equipment and sample due to special situation.
[0033] The utility model discloses a kind of railway station door system test loading device function meets standard requirement, and the station door system test loading device designed can be used for linear test loading of different model specifications of station door system, ensure that load can be evenly and accurately transmitted to station door test piece. Tapered loading disc contacted with station door test piece adopts rubber loading pad structure, with shock absorption and gentle loading function, prevent the event damage to glass sample due to load impact. Only by adjusting part bolt loading disc bolt rod length or replacing a few loading plates, it can be used for the loading of various test pieces, without frequently replacing special tooling. Electric servo system is adopted, limit setting is implemented to actuator, ensure that test sample and equipment are not damaged due to unexpected condition, and equipment is safe and environmentally friendly. The test system has the characteristics of convenient operation, quick disassembly and assembly, and accurate loading. The test bench can be used for different model station door systems, and can also be applied to other locomotive vehicle parts small load test loading or surface fragile piece and surface non-rigid original product strength test loading, with wide universality.
Claims
1. A railway platform screen door system test loading device, characterized by, The test loading device comprises a loading system, a supporting system, a control system, a platform door test piece and a workbench; the platform door test piece is vertically installed on the workbench through the supporting system; the supporting system comprises a supporting column, a supporting base and a supporting longitudinal beam; the supporting column is vertically fixed on the workbench; the supporting base is horizontally arranged and is movably connected with the supporting column perpendicularly; the supporting base can vertically slide along the supporting column; the supporting longitudinal beam is installed on the platform door test piece; the loading system is arranged between the supporting base and the supporting longitudinal beam; the loading system comprises an actuator and a loading beam; the fixed end of the actuator is installed on the supporting base; the actuating end of the actuator is connected with the loading beam; the loading beam is connected with the supporting longitudinal beam; the platform door test piece is further provided with a loading cross beam and a conical loading disc; the loading cross beam is installed on the supporting longitudinal beam; and the conical loading disc is installed on the loading cross beam.
2. The test loading device for a railway platform screen door system according to claim 1, wherein The workbench adopts a cross-shaped T-shaped groove structure.
3. The test loading device for a railway platform screen door system according to claim 1, wherein A strip-shaped long groove is formed in the supporting column.
4. The test loading device for a railway platform screen door system of claim 1, wherein, The actuator is electrically and servally driven and fixed on the supporting base; one end of the actuator is provided with a spherical hinge; the loading beam is installed on the other end of the actuator; the installation surface of the loading beam and the actuator adopts an aluminum plate; aluminum square hollow grooves are welded on the left and right sides of the aluminum plate; and the square hollow groove structure is used as the frame of the loading beam.
5. The test loading device for a railway platform screen door system of claim 1, wherein, Four cross beams are welded on the loading end of the loading beam and are connected with the supporting longitudinal beam through bolts.
6. The test loading device for a railway platform screen door system of claim 1, wherein, The supporting longitudinal beam is located at the two ends of the loading beam and is connected with the loading cross beam through bolts; the loading cross beam is provided with bolt holes and is uniformly provided with the conical loading discs.
7. The test loading device for a railway platform screen door system of claim 1, wherein, The conical loading disc is a conical rubber pad of a long bolt rod; the long bolt rod can adjust the installation position of the conical loading disc; the test loading of platform door test pieces of different types and specifications can be realized by shortening or lengthening the long bolt rod of the conical loading disc.