CN216815265U

CN216815265U - A utensil is examined to angle bullet journey for high-speed railway C4 bullet strip

Info

Publication number: CN216815265U
Application number: CN202123120965.9U
Authority: CN
Inventors: 谢小平; 周明; 邓晓艳; 谭芸
Original assignee: China Railway Longchang Materials Co Ltd
Current assignee: China Railway Longchang Materials Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-24
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses an angle elastic stroke checking fixture for a high-speed rail C4 elastic strip, which comprises a reference seat, a limiting block and an angle block, wherein a first rectangular through groove, a transverse groove, a longitudinal groove, a second rectangular through groove and an elastic strip straight-line section mounting through hole are formed in the reference seat; the first rectangular through groove is used for mounting a limiting block; the second rectangular through groove is communicated with the elastic strip straight line section mounting through hole and is used for mounting a dial indicator; the transverse groove and the longitudinal groove are used for installing the angle block. The utility model overcomes the defects of low detection precision, inconvenient operation and low efficiency in the detection process of three dimensions of the longitudinal angle, the transverse angle and the elastic stroke of the C4 elastic strip in the prior art, and provides the detection tool for detecting the angle and the elastic stroke of the high-speed rail C4 elastic strip, which has the advantages of high detection precision, simple and convenient operation and greatly improved detection efficiency of the angle and the elastic stroke of the high-speed rail C4 elastic strip.

Description

A utensil is examined to angle bullet journey for high-speed railway C4 bullet strip

Technical Field

The utility model relates to an angle spring travel gauge for a high-speed rail C4 spring bar.

Background

Railway rail clip systems are assemblies on a rail used to couple a rail to a tie (or other type of undersized foundation) and function to secure the rail to the tie, maintain gauge and prevent longitudinal and lateral movement of the rail relative to the tie. There are fastening systems for high-speed rail, such as an optimized fastening system (CN 201820383547.8) suitable for high-speed and universal urban rail transit, which use C4 spring bar parts. In the prior art, a corresponding detection tool and a detection method are provided for measuring or detecting the size of a C4 elastic strip, although the detection tool can detect a plurality of sizes and has certain universality on the elastic strip, the detection precision and efficiency of three sizes, namely the longitudinal angle, the transverse angle and the elastic stroke of the elastic strip, are not very high, and therefore, the special angle elastic stroke detection tool for the high-speed rail C4 elastic strip is designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides an angle and spring stroke detection tool for a high-speed rail C4 elastic strip, and aims to accurately and quickly detect the longitudinal angle, the transverse angle and the spring stroke of the C4 elastic strip.

The technical scheme adopted by the utility model for solving the technical problem is as follows: an angle elastic stroke gauge for a high-speed rail C4 elastic strip comprises a reference seat, a limiting block and an angle block, wherein a first rectangular through groove, a transverse groove, a longitudinal groove, a second rectangular through groove and an elastic strip straight-line section installation through hole are formed in the reference seat; the first rectangular through groove is used for mounting a limiting block; the second rectangular through groove is communicated with the elastic strip straight line section mounting through hole and is used for mounting a dial indicator; the transverse groove and the longitudinal groove are used for installing the angle block.

Further, the angle block includes an angle mark and an angle contact surface corresponding to the angle mark.

Further, the specification of the angle block includes 1 degree, 2.05 degrees, 3.05 degrees, 3.95 degrees, 4.95 degrees.

Furthermore, the limiting block comprises a suspension limiting surface.

Furthermore, support rods are arranged at four corners of the reference seat.

Further, the support rod is in threaded connection with the inner threaded hole of the reference seat through an outer thread.

Further, a direction mark is arranged on the reference seat.

Further, a direction mark is provided on the angle block.

Compared with the prior art, the utility model has the following positive effects:

the utility model overcomes the defects of low detection precision, inconvenient operation and low efficiency in the detection process of three dimensions of the longitudinal angle, the transverse angle and the elastic stroke of the C4 elastic strip in the prior art, and provides the detection tool for detecting the angle and the elastic stroke of the high-speed rail C4 elastic strip, which has the advantages of high detection precision, simple and convenient operation and greatly improved detection efficiency of the angle and the elastic stroke of the high-speed rail C4 elastic strip.

Drawings

The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of an angle and spring stroke gauge of the present invention;

fig. 2 is a schematic structural view of the support rod 1;

FIG. 3 is a schematic structural diagram of the reference seat 2;

fig. 4 is a schematic structural diagram of the limiting block 3;

fig. 5 is a schematic structural view of the angle block 4;

FIG. 6 is a schematic illustration of the dimension α of the C4 bullet strip test;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a schematic illustration of the dimensions β and I of the C4 bullet test;

FIG. 9 is a schematic diagram of the angle block 4 detecting the insertion of the longitudinal angle α of the elastic strip;

FIG. 10 is a side view of FIG. 9;

FIG. 11 is a schematic diagram of the angle block 4 detecting the insertion of the lateral angle β of the elastic strip;

FIG. 12 is a front view of FIG. 11;

fig. 13 is a schematic view of angle determination, in which: (1) the angle is smaller than the specification angle block; (2) the angle is larger than the specification angle block;

FIG. 14 is a schematic diagram illustrating the insertion of the spring distance measurement dial indicator into the reference;

FIG. 15 is a front view of FIG. 14;

FIG. 16 is a schematic illustration of insertion of spring stroke measurement dial indicator readings;

FIG. 17 is a front view of FIG. 16;

fig. 18 is a schematic illustration of a spring loading.

Detailed Description

An angle spring stroke gauge for a high-speed rail C4 spring bar is structurally shown in figure 1 and comprises: bracing piece 1, reference base 2, stopper 3 and angle piece 4, wherein:

the structure of the support rod 1 is shown in fig. 2, and comprises: an external thread 5;

as shown in fig. 3, the reference holder 2 includes: the structure comprises a first rectangular through groove 6, an internal threaded hole 7, a direction mark 8, a transverse groove 9, a longitudinal groove 10 and a second rectangular through groove 11;

the structure of the limiting block 3 is shown in fig. 4, and comprises: a suspension limiting surface 12;

the structure of the angle block 4 is shown in fig. 5, and includes: direction mark 13, angle mark 14, angle contact surface 15. The angle block 4 includes the following 5 specifications, 1/2.05/3.05/3.95/4.95, respectively.

The angle elastic stroke check tool is assembled and explained as follows:

the external thread 5 of the supporting rod 1 is in threaded connection with the internal thread hole 7 of the reference seat 2 and is placed on the desktop to play a supporting role; the suspension limiting surface 12 of the limiting block 3 is inserted into the first rectangular through groove 6 of the reference seat 2; the angle block 4 is inserted into the transverse groove 9 and the longitudinal groove 10 of the reference base 2 according to the direction mark 13 and the angle mark 14 of the angle to be detected.

The working principle of the angle elastic range checking fixture is as follows:

the detectable sizes of the utility model include a longitudinal angle alpha of the elastic strip, a transverse angle beta of the elastic strip and an elastic stroke I, as shown in figures 6 to 8.

Detection of the longitudinal angle alpha of the elastic strip:

installing elastic strips: 1) rotating the elastic strip for 180 degrees; 2) completely inserting the straight line segment of the elastic strip into the through hole at the lower part of the reference seat 2; 3) putting down the limiting block 3 to enable the suspension limiting surface 12 of the limiting block 3 to be abutted against the tail of the elastic strip, and limiting the elastic strip; the spring bar is loaded on the gauge as shown in fig. 18.

According to the direction mark 8 of the reference seat 2, the angle block 4 is inserted into the longitudinal groove 10 of the reference seat 2 in a consistent direction, as shown in fig. 9 and 10, if the angle contact surface 15 and the longitudinal angle of the elastic strip are shown as (1) in fig. 13, which shows that the longitudinal angle measured by the C4 elastic strip is smaller than the angle block of the selected specification, and vice versa, as shown as (2) in fig. 13, which is larger than the angle block of the selected specification, the range of the longitudinal angle can be determined by sequentially selecting the angle blocks 4 of different specifications, so that the longitudinal angle can be rapidly detected;

detection of transverse angle beta of the elastic strip:

the installation mode of the elastic strip is the same as the above, the angle block 4 is inserted into the transverse groove 9 of the reference base 2 in the same direction according to the direction mark 8 of the reference base 2, as shown in fig. 11 and 12, the detection mode is the same as the longitudinal angle alpha of the elastic strip, and the quick detection of the transverse angle beta of the elastic strip can be realized in the same way;

detection of the elastic stroke I:

and (3) inserting the dial indicator along the second rectangular through groove 11 as shown in fig. 14 and 15 until the dial indicator reaches the vertical bottom of the through hole, zeroing the dial indicator and determining as a reference, loading the elastic strip on the checking tool as shown in fig. 18, and inserting the dial indicator along the intersection of the transverse groove 9 and the longitudinal groove 10 to be in contact with the measurement position of the C4 elastic strip, wherein as shown in fig. 16 and 17, the dial indicator sets the reference, and the reading is the measurement value of the elastic stroke I.

Claims

1. The utility model provides an angle bullet journey is examined utensil for high-speed railway C4 bullet strip which characterized in that: the elastic strip straight-line mounting device comprises a reference seat, a limiting block and an angle block, wherein a first rectangular through groove, a transverse groove, a longitudinal groove, a second rectangular through groove and an elastic strip straight-line mounting through hole are formed in the reference seat; the first rectangular through groove is used for mounting a limiting block; the second rectangular through groove is communicated with the straight-line mounting through hole of the elastic strip and is used for mounting a dial indicator; the transverse groove and the longitudinal groove are used for installing the angle block.

2. The angle and spring travel gauge for the high-speed rail C4 elastic bar according to claim 1, wherein: the angle block includes an angle mark and an angle contact surface corresponding to the angle mark.

3. The angle and spring travel gauge for the high-speed rail C4 elastic bar according to claim 2, wherein: the specifications of the angle block include 1 degree, 2.05 degrees, 3.05 degrees, 3.95 degrees and 4.95 degrees.

4. The angle and spring travel gauge for the high-speed rail C4 elastic bar according to claim 1, wherein: the limiting block comprises a suspension limiting surface.

5. The angle and spring travel gauge for the high-speed rail C4 elastic bar according to claim 1, wherein: and supporting rods are arranged at four corners of the reference seat.

6. The angle and spring travel gauge for the high-speed rail C4 elastic bar according to claim 5, wherein: the support rod is in threaded connection with the internal thread hole of the reference seat through external threads.

7. The angle and spring travel gauge for the high-speed rail C4 elastic bar according to claim 1, wherein: and a direction mark is arranged on the reference seat.

8. The angle and spring travel gauge for the high-speed rail C4 elastic bar according to claim 1, wherein: and a direction mark is arranged on the angle block.