CN218674195U

CN218674195U - Monorail turnout multichannel fatigue test bed

Info

Publication number: CN218674195U
Application number: CN202222444810.9U
Authority: CN
Inventors: 姚毓瑾; 李琦; 解丽霞; 张建东; 李卓然; 刘亚东; 于胜利; 何勇; 刘彦宏; 洪常谦
Original assignee: China Railway Engineering Consulting Group Co Ltd
Current assignee: China Railway Engineering Consulting Group Co Ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-03-21
Anticipated expiration: 2032-09-15

Abstract

The utility model provides a monorail turnout multichannel fatigue test platform relates to track traffic single track test technical field, including the portal frame, longitudinal actuator sets up on the first stand of portal frame, and longitudinal actuator's output is at the first direction rebound. The vertical actuator is arranged on the first cross beam of the portal frame, and the output end of the vertical actuator moves in the second direction. The transverse actuator is arranged on the transverse actuator mounting seat, and the output end of the transverse actuator moves in the third direction. Any two directions of the first direction, the second direction and the third direction are mutually vertical. After the turnout assembly is finished, the turnout assembly test bench can be used for testing, the fatigue test bench is simple in structure, the turnout production efficiency is greatly improved, and the intelligent level is improved.

Description

Monorail turnout multichannel fatigue test stand

Technical Field

The utility model relates to a track traffic single track test technical field particularly, relates to a monorail turnout multichannel fatigue test platform.

Background

The turnout is one of key technical equipment of a monorail system, and can realize the turning and turning operation of a vehicle in the running process and the shunting operation of the vehicle in a vehicle section or a parking lot. The turnout is one of important load-bearing components of a monorail vehicle system, the failure mode of the turnout is fatigue failure caused by random load, and the failure mode is high-cycle fatigue failure, namely stress fatigue failure. The single-rail turnout fatigue life problem is researched from the aspects of theoretical analysis and simulation software, so that certain limitation exists, and the turnout fatigue damage problem is further researched by acquiring a large amount of test data through a turnout physical test. At present, a single-rail turnout fatigue test bed is basically in a blank stage in China, and comprehensive research on the turnout fatigue test bed is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a monorail turnout multichannel fatigue test platform to improve above-mentioned problem. In order to achieve the above purpose, the utility model adopts the following technical scheme:

the application provides monorail turnout multichannel fatigue test bench, it includes: the device comprises a portal frame, a longitudinal actuator, a vertical actuator and three transverse actuator mounting seats, wherein the longitudinal actuator is arranged on a first upright post of the portal frame, and an output end of the longitudinal actuator moves in a first direction; the vertical actuator is arranged on a first cross beam of the portal frame, and the output end of the vertical actuator moves in a second direction; the two transverse actuator mounting seats are arranged on one side of the portal frame, and one transverse actuator mounting seat is arranged on the other side of the portal frame; every all be provided with transverse actuator on the transverse actuator mount pad, transverse actuator's output moves in the third direction, mutually perpendicular between first direction the second direction with arbitrary two directions among the third direction three.

As a monorail turnout multichannel fatigue test bench's an optimal selection scheme, wherein: the number of the portal frames is two, the portal frames are parallel to the first direction, each portal frame comprises two first columns, a first beam and a second beam, each first column comprises two channel steels and two rib plates, the side wall of each rib plate is fixedly connected with one channel steel, and the two channel steel grooves are arranged oppositely; two ends of the first cross beam are respectively connected with one ends of the two first upright columns, which are far away from the ground, and the first cross beam is parallel to the first direction; the second cross beam is arranged at the joint of the longitudinal actuator and the first upright post, and the second cross beam is parallel to the third direction.

As a preferred scheme of monorail switch multichannel fatigue test platform, wherein: one end, far away from the ground, of the first stand column is provided with a plurality of vertically arranged threaded holes, and the first cross beam is connected with the first stand column through bolts.

As a preferred scheme of monorail switch multichannel fatigue test platform, wherein: the second cross beam is connected with the first upright post through a driving locking device, and the driving locking device comprises a slideway, a pulley and a locking device; the slide way is arranged on the first upright post, the slide way extends along the length direction of the first upright post, at least two locking pits are arranged at intervals in the length direction of the first upright post, and the pulley is arranged at the joint of the second cross beam and the first upright post; the locking device comprises a locking motor, a push rod and a locking pin, wherein the locking motor is connected with the push rod, and the locking pin is connected with the push rod.

As a preferred scheme of monorail switch multichannel fatigue test platform, wherein: the one end that first stand is close to ground is equipped with the mount pad, four bolt holes have been seted up on the mount pad, first stand passes through bolted connection with the platform.

As a preferred scheme of monorail switch multichannel fatigue test platform, wherein: this test bench includes vertical strutting arrangement and two portal frames, vertical strutting arrangement sets up in two between the portal frame, vertical strutting arrangement includes crosspiece, two second stands and two bracing, two the vertical setting of second stand, the both ends of crosspiece are respectively with two the platform was kept away from to the second stand one end is connected, the one end and the platform of bracing are connected, and the other end is connected with the second stand.

As a preferred scheme of monorail switch multichannel fatigue test platform, wherein: this test bench includes switch beam support, switch beam support set up in the transverse actuator mount pad with between the first stand, the switch beam support is close to the one end on ground and has seted up threaded hole, switch beam support passes through bolted connection with the platform.

As a preferred scheme of monorail switch multichannel fatigue test platform, wherein: the longitudinal actuators are two, the vertical actuators are three, one of the vertical actuators is arranged on the first cross beam of the portal frame, the other vertical actuator is arranged on the first cross beam of the portal frame, and the other vertical actuator is arranged on the first cross beam of the portal frame.

As a preferred scheme of monorail switch multichannel fatigue test platform, wherein: the model of the channel-section steel that first stand used is the 40a type, the thickness of the gusset plate that first stand used is 20mm.

The utility model has the advantages that:

the utility model discloses a be provided with transverse actuator, vertical actuator and longitudinal actuator, can apply the load of horizontal, vertical and vertical three direction. After the turnout assembly is finished, the turnout assembly test bench can be used for testing, is simple in structure, greatly improves the production efficiency of the turnout and improves the intelligent level. The single-rail turnout fatigue test bed can carry out systematic test research on turnouts, and ensures that the reliability, availability, maintainability, safety, fatigue, stability and other performances of a turnout system meet requirements through systematic simulation working conditions and simulation field tests.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a first view angle of a monorail turnout multichannel fatigue test bed according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second view angle of the monorail turnout multichannel fatigue test stand according to the embodiment of the present invention;

fig. 3 is a schematic view of the installation of the first upright and the drive lock device;

fig. 4 is a schematic structural view of the locking device.

The labels in the figure are: 1. a platform; 2. a gantry; 3. a transverse actuator mounting base; 4. a lateral actuator; 5. a longitudinal actuator; 6. a vertical actuator; 7. a turnout beam support; 8. longitudinal support means; 9. a first upright post; 10. a first cross member; 11. a second cross member; 12. a slideway; 13. a pulley; 14. a locking device; 15. a locking pit; 16. locking the motor; 17. a push rod; 18. a locking pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, the present embodiment provides a single-track turnout multichannel fatigue test bench, which comprises a portal frame 2, a longitudinal actuator 5, a vertical actuator 6 and a transverse actuator 4. The longitudinal actuator 5 is arranged on a first upright 9 of the portal frame 2, and the output end of the longitudinal actuator 5 moves in a first direction. The vertical actuator 6 is arranged on the first beam 10 of the gantry 2, and the output end of the vertical actuator 6 moves in the second direction. Three transverse actuator 4 sets up respectively on three transverse actuator mount pad 3, and wherein two transverse actuator mount pads 3 set up in one side of portal frame 2, and a transverse actuator mount pad 3 sets up in the opposite side of portal frame 2. The main function of the portal frame 2 is to install a longitudinal actuator 5 and a vertical actuator 6, and the longitudinal actuator 5, the vertical actuator 6 and the transverse actuator 4 can apply acting force in three directions to the turnout. In the prior art, the problem of fatigue life of a single-rail switch is mainly researched from the perspective of theoretical analysis and simulation software, but certain limitations exist, so that a large amount of test data needs to be further obtained through a switch physical test to complete the research of the switch fatigue damage problem. The single-rail turnout multi-channel fatigue test bed can well simulate the actual stress condition of the single-rail turnout, and can know whether the strength of the single-rail turnout meets the driving safety requirement or not through a fatigue test.

As shown in fig. 1 and 2, two portal frames 2 are provided, each portal frame 2 comprises two first columns 9, a first beam 10 and a second beam 11, each first column 9 comprises two channel steels and two rib plates, the side wall of each rib plate is fixedly connected with one channel steel, and the grooves of the two channel steels are arranged oppositely; two ends of the first cross beam 10 are respectively connected with one ends of the two first upright posts 9 far away from the ground, and the first cross beam 10 is parallel to the movement direction of the longitudinal actuator 5; a second beam 11 is arranged at the junction of the longitudinal actuator 5 and the first upright 9, the second beam 11 being parallel to the direction of movement of the transverse actuator 4. The portal frame 2 has simple structure, and the used channel steel and the used rib plates are easy to obtain and have low price. Therefore, the manufacturing cost of the fatigue test bed is relatively low, and the fatigue test bed is more beneficial to mass production.

As shown in fig. 1 and 2, one end of the first upright post 9, which is far away from the ground, is provided with a plurality of vertically arranged threaded holes, and the first cross beam 10 is connected with the first upright post 9 through bolts. The height of the first cross beam 10 can be adjusted by the aid of the threaded holes vertically arranged, so that the fatigue test bed can be used for turnouts of different sizes, and utilization rate of the turnout is higher.

As shown in fig. 3 and 4, the second beam 11 is connected with the first upright 9 through a driving locking device, which comprises a slideway 12, a pulley 13 and a locking device 14; the slide way 12 is arranged on the first upright post 9, the slide way 12 extends along the length direction of the first upright post 9, at least two locking pits 15 are arranged at intervals in the length direction of the first upright post 9, and the pulley 13 is arranged at the joint of the second cross beam 11 and the first upright post 9; the locking device 14 includes a locking motor 16, a push rod 17 and a locking pin 18, the locking motor 16 is connected to the push rod 17, the locking pin 18 is connected to the push rod 17, when the second beam 11 reaches a certain height, the locking motor 16 drives the push rod 17 to move, and the locking pin 18 is pushed into the locking pit 15, and the locking device 14 has many options for those skilled in the art, and may also be a manual locking mode. The second beam 11 can move up and down under the action of the slideway 12 and the pulley 13, and the locking device 14 can fix the second beam 11 at different heights, so that the fatigue test bed can be used for turnouts with different sizes, and the utilization rate is higher.

As shown in fig. 1 and 2, a mounting seat is arranged at one end of the first upright post 9 close to the ground, four bolt holes are formed in the mounting seat, and the first upright post 9 is connected with the platform 1 through bolts.

As shown in fig. 1 and 2, the longitudinal supporting device 8 is disposed between the two portal frames 2, the longitudinal supporting device 8 includes a crosspiece, two second columns and two inclined struts, the two second columns are vertically disposed, two ends of the crosspiece are respectively connected with one ends of the two second columns far away from the platform 1, one ends of the inclined struts are connected with the platform 1, and the other ends of the inclined struts are connected with the second columns. The longitudinal supporting device 8 can better restrain the longitudinal degree of freedom of the turnout, and the inclined strut can increase the rigidity and the strength of the supporting device 8 by resisting vertical acting force and longitudinal acting force, so that a better supporting effect is achieved.

As shown in fig. 1 and 2, the turnout beam support 7 is arranged between the transverse actuator mounting seat 3 and the first upright post 9, a threaded hole is formed in one end, close to the ground, of the turnout beam support 7, and the turnout beam support 7 is connected with the platform 1 through a bolt. The switch beam support 7 may be used to support the switch, which may further constrain the vertical freedom of the switch.

As shown in fig. 1 and 2, there are two longitudinal actuators 5 and three vertical actuators 6, wherein two vertical actuators 6 are arranged on the first beam 10 of one portal frame 2, and one vertical actuator 6 is arranged on the first beam 10 of the other portal frame 2.

As shown in fig. 1 and 2, the channel steel used for the first column 9 is 40 a-shaped, and the rib plate used for the first column 9 has a thickness of 20mm. The channel steel is connected through rib plate welding, so that the structural strength and rigidity of the first upright post 9 can be improved, and the service life of the first upright post is prolonged.

The use process comprises the following steps: a person skilled in the art puts the single-rail turnout on the turnout beam support 7, matches the vertical actuator 6, the longitudinal actuator 5 and the transverse actuator 4 with the single-rail turnout by adjusting the positions of the first cross beam 10, the second cross beam 11 and the transverse actuator mounting base 3, controls the actuators to apply acting forces in three directions simultaneously, and simulates the actual stress condition of the single-rail turnout. After the test, the performance of the turnout system in the aspects of reliability, availability, maintainability, safety, fatigue performance, stability and the like can be ensured to meet the requirements by analyzing data.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a monorail turnout multichannel fatigue test platform which characterized in that includes:

a gantry (2);

the longitudinal actuator (5), the longitudinal actuator (5) is arranged on a first upright (9) of the portal frame (2), and the output end of the longitudinal actuator (5) moves in a first direction;

the vertical actuator (6) is arranged on a first cross beam (10) of the portal frame (2), and the output end of the vertical actuator (6) moves in a second direction;

the device comprises three transverse actuator mounting seats (3), wherein two transverse actuator mounting seats (3) are arranged on one side of a portal frame (2), and one transverse actuator mounting seat (3) is arranged on the other side of the portal frame (2); every all be provided with horizontal actuator (4) on horizontal actuator mount pad (3), the output of horizontal actuator (4) removes in the third direction, first direction the second direction with mutually perpendicular between arbitrary two directions in the third direction three.

2. The monorail turnout multichannel fatigue test stand of claim 1, wherein: the number of the portal frames (2) is two, the portal frames (2) are parallel to the first direction, each portal frame (2) comprises two first columns (9), a first cross beam (10) and a second cross beam (11), each first column (9) comprises two channel steel and two rib plates, the side wall of each rib plate is fixedly connected with one channel steel, and the grooves of the two channel steels are arranged back to back; two ends of the first cross beam (10) are respectively connected with one ends, far away from the ground, of the two first vertical columns (9), and the first cross beam (10) is parallel to the first direction; the second beam (11) is arranged at the joint of the longitudinal actuator (5) and the first upright post (9), and the second beam (11) is parallel to the third direction.

3. The monorail turnout multichannel fatigue test stand of claim 2, wherein: one end, far away from the ground, of the first upright post (9) is provided with a plurality of vertically arranged threaded holes, and the first cross beam (10) is connected with the first upright post (9) through bolts.

4. The monorail turnout multichannel fatigue test stand of claim 2, wherein: the second cross beam (11) is connected with the first upright (9) through a driving and locking device, and the driving and locking device comprises a slide way (12), a pulley (13) and a locking device (14); the slide way (12) is arranged on the first upright post (9), the slide way (12) extends along the length direction of the first upright post (9), at least two locking pits (15) are arranged on the length direction of the first upright post (9) at intervals, and the pulley (13) is arranged at the joint of the second cross beam (11) and the first upright post (9); the locking device comprises a locking motor (16), a push rod (17) and a locking pin (18), wherein the locking motor (16) is connected with the push rod (17), and the locking pin (18) is connected with the push rod (17).

5. The monorail turnout multichannel fatigue test stand of claim 2, wherein: including platform (1), the one end that first stand (9) are close to ground is equipped with the mount pad, four bolt holes have been seted up on the mount pad, first stand (9) pass through bolted connection with platform (1).

6. The monorail turnout multichannel fatigue test stand of claim 1, wherein: including vertical strutting arrangement (8) and two portal frames (2), vertical strutting arrangement (8) set up in two between portal frame (2), vertical strutting arrangement (8) include crosspiece, two second stands and two bracing, two the vertical setting of second stand, the both ends of crosspiece are respectively with two the one end that platform (1) was kept away from to the second stand is connected, the one end and the platform (1) of bracing are connected, and the other end is connected with the second stand.

7. The monorail turnout multichannel fatigue test stand of claim 1, wherein: including switch beam support (7), switch beam support (7) set up in transverse actuator mount pad (3) with between first stand (9), switch beam support (7) are close to the one end on ground and offered the screw hole, switch beam support (7) pass through bolted connection with platform (1).

8. The monorail turnout multichannel fatigue test stand of claim 1, wherein: the vertical actuators (5) are two, the vertical actuators (6) are three, one of the vertical actuators is arranged on the first cross beam (10) of the portal frame (2), the other vertical actuator (6) is arranged on the first cross beam (10) of the portal frame (2), and the other vertical actuator (6) is arranged on the first cross beam (10) of the portal frame (2).

9. The monorail turnout multichannel fatigue test stand of claim 2, wherein: the model of channel-section steel is 40a type, the thickness of muscle board is 20mm.