CN212030861U

CN212030861U - Rigidity testing device for rubber base plate under railway rail

Info

Publication number: CN212030861U
Application number: CN202020400634.7U
Authority: CN
Inventors: 张海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-27
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to a rigidity testing arrangement field, concretely relates to rubber tie plate rigidity testing arrangement under railway rail. The vertical telescopic device comprises a base plate, wherein a vertical rod is fixed at the upper end of the base plate, a vertical telescopic cylinder is fixed at the middle part of the lower end of a top beam, a rubber base plate, a steel plate and a transverse steel rail are sequentially stacked between the lower end of a telescopic rod of the telescopic cylinder and the base plate, an electronic displacement meter is fixed on the base plate, a measuring rod of the electronic displacement meter is in contact with the upper end face of the steel plate, and a plurality of aligning devices which enable the steel rail and the right end face of the rubber base plate to be aligned are uniformly distributed on. The utility model discloses, simple structure, the test is succinct convenient, and before the test, through setting up aligning device, be convenient for align rubber tie plate and rail tip, the convenient rubber tie plate that takes off after the test can heighten measuring accuracy and efficiency.

Description

Rigidity testing device for rubber base plate under railway rail

Technical Field

The utility model relates to a rigidity testing arrangement field, concretely relates to rubber tie plate rigidity testing arrangement under railway rail.

Background

The fastener is an important part for connecting the steel rail and the sleeper, and has the functions of maintaining the correct position of the steel rail under the sleeper and other rails and the reliable connection between the steel rail and the sleeper, preventing the longitudinal and transverse movement of the steel rail, providing certain elasticity for the rail structure, reducing vibration, delaying the residual deformation accumulation of the rail and playing an important role in the rubber base plate of the fastener. Particularly for ballastless tracks, the elasticity and the adjustment amount required by the tracks are mainly provided by fasteners, and the requirements of vibration and noise reduction are also considered in ballastless track fastener systems in special sections. These performance requirements are directly or indirectly related to the stiffness of the rubber backing of the fastener, and therefore require a determination of the stiffness of the rubber backing of the fastener during its selection and use.

Therefore, it is desirable to provide a device for testing the rigidity of a rubber tie plate under a railway rail, which can realize simple and convenient tests, can truly simulate the stress of the rubber tie plate under actual working conditions, and can accurately test the rigidity of the rubber tie plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a test is succinct convenient, before the test, is convenient for align rubber tie plate and rail tip, rubber tie plate rigidity testing arrangement under the convenient railway rail that takes off rubber tie plate after the test.

In order to realize the purpose, the utility model provides a technical scheme is:

a rigidity testing device for rubber base plates under railway rails comprises a bottom plate, wherein two bilaterally symmetrical vertical rods are fixed at the upper end of the bottom plate, the upper ends of the two vertical rods are fixedly connected through a top beam, a vertical telescopic cylinder is fixed at the middle part of the lower end of the top beam, rubber base plates, steel plates and transverse steel rails are sequentially stacked between the lower end of a telescopic rod of the telescopic cylinder and the bottom plate, an inverted U-shaped portal frame is arranged above the steel rails, the lower ends of vertical parts of the left side and the right side of the portal frame are fixedly connected with the left end and the right end of the steel rails, a lantern ring is fixed at the middle part of the upper end of a straight part of the portal frame, the lower part of a force measuring sensor is positioned in the lantern ring, the telescopic rod of the telescopic cylinder is concentric with the force measuring sensor, transverse supporting rods are fixed on the left side and the right side of the lower end of the telescopic, the longitudinal rod follows the ascending movement track of the telescopic rod of the telescopic cylinder to pass through the straight portion of the portal, the bottom plate is fixed with the electronic displacement meter, a measuring rod of the electronic displacement meter is in contact with the upper end face of the steel plate, and a plurality of aligning devices which enable the steel rail to be aligned with the right end face of the rubber gasket plate are uniformly distributed on the right end face of the steel plate along the longitudinal direction of the steel plate.

Specifically, the aligning device comprises a transverse polish rod fixed on the right end face of the steel plate, the polish rod penetrates through the vertical part of the aligning frame in the inverted U shape, the straight parts at the upper end and the lower end of the vertical part of the aligning frame are located on the upper side and the lower side of the steel plate, a baffle is fixed at the right end of the polish rod, and a spring is sleeved on the baffle and the polish rod between the vertical parts of the aligning frame.

Specifically, the left ends of the straight parts at the upper end and the lower end of the aligning frame are flush.

Specifically, the telescopic cylinder is a hydraulic cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, simple structure, the test is succinct convenient, and before the test, through setting up aligning device, be convenient for align rubber tie plate and rail for under rubber tie plate is located the rail, improve the measuring accuracy, conveniently take off rubber tie plate after the while test, can increase efficiency of software testing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of the area a in fig. 1.

Detailed Description

As shown in fig. 1-2, a rigidity testing device for rubber tie plate under railway rail comprises a bottom plate 1, two bilaterally symmetrical vertical rods 2 are fixed at the upper end of the bottom plate 1, the upper ends of the two vertical rods 2 are fixedly connected through a top beam 3, a vertical telescopic cylinder 4 is fixed at the middle part of the lower end of the top beam 3, the telescopic cylinder 4 is a hydraulic cylinder, a rubber tie plate 18, a steel plate 13 and a transverse steel rail 11 are sequentially stacked between the lower end of the telescopic rod of the telescopic cylinder 4 and the bottom plate 1, an inverted U-shaped gantry 8 is arranged above the steel rail 11, the lower ends of the vertical parts at the left side and the right side of the gantry 8 are fixedly connected with the left end and the right end of the steel rail 11, a lantern ring 9 is fixed at the middle part of the upper end of the straight part of the gantry 8, the lower part of a force measuring sensor 10 is positioned in the lantern ring 9, the telescopic rod of the telescopic cylinder 4 is concentric with, the montant 6 is located portal 8 rear side, 6 lower extreme front sides of montant are fixed with fore-and-aft vertical pole 7, vertical pole 7 is located the below of the straight portion of portal 8, the straight portion of the moving trajectory that vertical pole 6 moves upward through portal 8 of the telescopic link of following telescoping cylinder 4, be fixed with electronic displacement meter 12 on the bottom plate 1, the measuring staff of electronic displacement meter 12 and the contact of 13 up ends of steel sheet, it is provided with a plurality of alignment devices that make

rail

11 and 18 right-hand members of rubber tie plate align to extend its longitudinal direction equipartition on the 13 right-hand member face of steel sheet.

The aligning device comprises a transverse polish rod 15 fixed on the right end face of a steel plate 13, the polish rod 15 penetrates through a vertical part of an inverted U-shaped aligning frame 14, straight parts at the upper end and the lower end of the vertical part of the aligning frame 14 are located on the upper side and the lower side of the steel plate 13, the left ends of the straight parts at the upper end and the lower end of the aligning frame 14 are level, a baffle 17 is fixed at the right end of the polish rod 15, and a spring 16 is sleeved on the baffle 17 and the polish rod 15 between the vertical parts of the aligning frame.

When the utility model is used, the rubber pad 18 with the same length as the steel rail 11 and the steel plate 13 with known rigidity are taken, then the rubber pad 18 is placed on the bottom plate 1, then the steel plate 13 is placed on the rubber pad 18, the telescopic cylinder 4 is started, the telescopic rod of the telescopic cylinder 4 moves downwards, the longitudinal rod 7 enables the steel rail 11 to move downwards through the portal frame 8, when the steel rail 11 is close to the steel plate 13, the motion of the telescopic rod of the telescopic cylinder 4 is stopped, the right end of the steel rail 11 is enabled to be contacted with the left end of the straight part above the aligning frame 14, then the rubber pad 18 below the steel plate 13 is moved, the left end of the straight part below the right end aligning frame 14 of the rubber pad 18 is enabled to be contacted, at the moment, the rubber pad 18 is aligned with the steel rail 11, the aligning frame 14 moves to the right side on the polish rod 15, when the aligning frame 14 is wholly positioned on the right side of the steel plate 13, prevent to damage alignment jig 14 when steel sheet 13 descends in the test process, can make rail 11 align with rubber tie plate 18 below steel sheet 13 through setting up the aligning device, make rubber tie plate 18 can be located under rail 11, the uniform atress of rubber tie plate 18 of being convenient for, and then improve the test accuracy, later, make the telescopic link of telescoping cylinder 4 descend, when rail 11 is located above steel sheet 13, along with the motion of the telescopic link of telescoping cylinder 4, vertical pole 7 moves down and keeps away from the straight portion of portal 8, when the telescopic link of telescoping cylinder 4 contacts with force transducer 10, the telescopic link of telescoping cylinder 4 makes rail 11 descend and extrudes rubber tie plate 18, the pressure of the telescopic link of telescoping cylinder 4 to rail 11 at this moment is measured by force transducer 10, when rail 11 extrudes rubber tie plate 18, the displacement that the measuring staff of electronic displacement meter 12 measured is the common compression capacity of rubber tie plate 18 and steel sheet 13, the amount of compression of the rubber pad 18 can be obtained by subtracting the known amount of compression of the steel plate 13, and the stiffness curve of the rubber pad 18 can be obtained.

After the test is finished, the telescopic rod of the telescopic cylinder 4 retracts and moves upwards, after the longitudinal rod 7 is in contact with the straight part of the portal frame 8, the steel rail 11 is lifted along with the upward movement of the telescopic rod of the telescopic cylinder 4, and the rubber base plate 18 below the steel plate 13 is taken down conveniently at the moment.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A rigidity testing device for rubber tie plates under railway rails comprises a bottom plate (1) and is characterized in that two bilaterally symmetrical vertical rods (2) are fixed at the upper end of the bottom plate (1), the upper ends of the two vertical rods (2) are fixedly connected through a top beam (3), a vertical telescopic cylinder (4) is fixed in the middle of the lower end of the top beam (3), a rubber tie plate (18), a steel plate (13) and a transverse steel rail (11) are sequentially stacked between the lower end of a telescopic rod of the telescopic cylinder (4) and the bottom plate (1), an inverted U-shaped gantry (8) is arranged above the steel rail (11), the lower ends of vertical parts at the left side and the right side of the gantry (8) are fixedly connected with the left end and the right end of the steel rail (11), a lantern ring (9) is fixed in the middle of the upper end of the straight part of the gantry (8), the lower part of a force measuring sensor (, horizontal branch (5) all are fixed with to the telescopic link lower extreme left and right sides of telescoping cylinder (4), telescopic link that telescoping cylinder (4) was kept away from in branch (5) is served and is fixed with vertical montant (6), montant (6) are located portal (8) rear side, montant (6) lower extreme front side is fixed with fore-and-aft vertical pole (7), vertical pole (7) are located the below of the straight portion of portal (8), the straight portion of motion orbit process portal (8) of the telescopic link upgoing of telescoping cylinder (4) is followed in vertical pole (7), be fixed with electronic displacement meter (12) on bottom plate (1), the measuring staff of electronic displacement meter (12) and steel sheet (13) up end contact, steel sheet (13) right-hand member face is gone up and is provided with a plurality ofly along its longitudinal direction equipartition and makes rail (11) and the alignment device of rubber backing plate (18) right-hand member face align.

2. The rigidity testing device for the rubber base plate under the railway rail is characterized in that the aligning device comprises a transverse polish rod (15) fixed on the right end surface of the steel plate (13), the polish rod (15) penetrates through the vertical part of the inverted U-shaped aligning frame (14), the straight parts fixed on the upper end and the lower end of the vertical part of the aligning frame (14) are positioned on the upper side and the lower side of the steel plate (13), a baffle plate (17) is fixed at the right end of the polish rod (15), and a spring (16) is sleeved on the polish rod (15) between the baffle plate (17) and the vertical part of the aligning frame (14).

3. The rigidity testing device for the rubber tie plate under the railway rail is characterized in that the left ends of the straight parts at the upper end and the lower end of the aligning rack (14) are flush.

4. The device for testing the rigidity of the rubber tie plate under the railway rail according to claim 1, wherein the telescopic cylinder (4) is a hydraulic cylinder.