CN215447679U

CN215447679U - Multifunctional digital display turnout measuring tool

Info

Publication number: CN215447679U
Application number: CN202121614029.0U
Authority: CN
Inventors: 王新水; 隗群毅; 兰希金
Original assignee: Nanchang Rail Transit Group Co ltd
Current assignee: Nanchang Rail Transit Group Co ltd
Priority date: 2021-07-10
Filing date: 2021-07-10
Publication date: 2022-01-07
Anticipated expiration: 2031-07-10

Abstract

The utility model aims to provide a multifunctional digital display turnout junction measuring tool which comprises a fixed ruler, a movable ruler, a digital display reader, a Bluetooth emitter and a locking screw. The upper part and the lower part of one end of the fixed length are respectively provided with a first clamping jaw and a third clamping jaw, and the other end of the fixed length is provided with a thimble; the upper part and the lower part of one end of the movable ruler are respectively provided with a second clamping jaw and a fourth clamping jaw, and the other end of the movable ruler is provided with a clamping hook; the first jaw, the second jaw, the third jaw and the fourth jaw are matched and are respectively used for measuring different opening ranges; the matching of the thimble and the hook is used for measuring the locking amount; the digital display reader is used for reading a measured value, and a locking screw is arranged at the top of the digital display reader to prevent the movable ruler from moving during reading; the Bluetooth emitter is connected to a digital readout reader and can wirelessly transmit measurement data. The utility model has reasonable structure and simple operation, can conveniently measure and record the opening distance and the locking amount, can ensure the accuracy of the starting point when measuring the opening distance, and has convenient reading when measuring the locking amount.

Description

Multifunctional digital display turnout measuring tool

Technical Field

The utility model belongs to the technical field of subway overhaul, and particularly relates to a multifunctional digital display turnout measurement tool.

Background

Switches are important devices in subway signal systems. In the switch maintenance process, the measurement of basic data such as switch opening distance, locking amount and the like is particularly important. The existing measuring method mainly comprises the steps of manually measuring and visually reading by using a measuring tape and a straight steel ruler by a maintainer. The existing measuring method is easy to cause large error of measured data and long time. Especially for the locking quantity measurement, the locking quantity measurement needs to be tested in a narrow space, and the traditional measuring tool is inconvenient to measure and read when in use. Because the turnout overhaul has the characteristics of short period, large equipment quantity and large overhaul content items, a special turnout measurement tool needs to be researched and developed so as to conveniently, accurately and efficiently measure the relevant parameters of the turnout.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional digital display turnout junction measuring tool. The measuring tool can conveniently measure the opening range and the locking amount, can ensure the accuracy of a starting measuring point when measuring the opening range, and is convenient to operate and read when measuring the locking amount.

The utility model is realized by the following components: the scale comprises a fixed scale 1, a movable scale 2, a digital display reader 3, a Bluetooth emitter 4 and a locking screw 5. The upper part and the lower part of one end of the fixed length 1 are respectively provided with a first clamping jaw 11 and a third clamping jaw 12, and the other end of the fixed length 1 is provided with a thimble 13. The upper part and the lower part of one end of the movable ruler 2 are respectively provided with a second jaw 21 and a fourth jaw 22, and the other end of the movable ruler 2 is provided with a hook 23.

The first jaw 11 and the second jaw 21 are respectively provided with a first opening measuring reference surface 14 and a second opening measuring reference surface 24, and the two reference surfaces are positioned on the same horizontal plane. The end parts of the two clamping claws are provided with bulges. When the opening is measured, the first opening reference surface 14 is attached to the top surface of the stock rail, the second opening measurement reference surface 24 is attached to the top surface of the switch rail, the protrusion at the end part of the first clamping jaw 11 is contacted with the inner side surface of the stock rail, and the protrusion at the end part of the second clamping jaw 21 is contacted with the inner side surface of the switch rail, so that the contact point of the clamping jaw and the steel rail is fixed at a position below the rail surface, and the accuracy of a starting point is guaranteed.

The third jaw 12 and the fourth jaw 22 are respectively provided with a third opening measuring reference surface 15 and a fourth opening measuring reference surface 25, and the height difference between the two reference surfaces is 16 mm. The end of the third jaw 12 has a protrusion, and the end of the fourth jaw 22 has a stepped structure. When measuring the opening, the laminating of the top surface of third opening measurement reference surface 15 and stock rail, the laminating of the top surface of fourth opening measurement reference surface 25 and switch rail, the protruding of the tip of third jack catch 12 contacts with the medial surface of stock rail, the side of the ladder-shaped structure of fourth jack catch 22 tip laminates with the medial surface of switch rail.

The thimble 13 is a strip-shaped structure, and the fixed length is 80 mm. The front end of the thimble 13 is provided with a needle head which is provided with an inclined plane. When the measurement is opened, the needle head inclined plane of the thimble 13 props against the outer inclined plane of the locking rod boss to keep tight fit, and the locking quantity is ensured to be measured accurately. The hook 23 is arranged at the right end of the movable ruler 2, is of a thin-wall structure, can be conveniently inserted into the locking frame, and hooks the inner inclined surface of the boss of the locking rod during measurement.

The digital display reader 3 is connected with the movable ruler 2 into a whole through a screw and can slide relative to the fixed ruler to display a measured value. The Bluetooth emitter 4 is connected to the digital display reader 3 and can wirelessly transmit measurement data. The locking screw 5 is arranged at the top of the digital display reader 3, and the movable ruler 2 and the digital display reader 3 can be prevented from moving by screwing the screw down, so that the reading accuracy is ensured.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model can easily find the measuring point through the measuring reference surface and the bulge on the jaw, and can effectively improve the measuring precision and efficiency. The utility model converts the locking amount to the external reading through the matching of the hook and the thimble, the reading is convenient, and meanwhile, the needle head inclined plane of the thimble is tightly attached to the locking rod boss inclined plane, so that the locking amount measuring precision can be improved.

Drawings

Fig. 1 is an overall structural view of the present invention.

Figure 2 is a cross-sectional view of the first point of traction of the turnout on the repulsive rail.

Figure 3 is a cross-sectional view of the switch second traction point repulsive rail.

Fig. 4 is a sectional view of the rail at the second traction point of the turnout.

Fig. 5 is a schematic structural view of the transfer hook type external locking device.

Description of the symbols:

Detailed Description

The following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples. In this embodiment, taking the opening and locking amount measurement of the ZDJ9 dual traction switch as an example, the specific implementation is as follows:

(1) measurement of stroke

Measuring the starting distance of a first traction point: when the switch rail is at the repulsion position shown in fig. 2, the measuring tool is placed on two steel rails G1 and J1 to be measured, so that the third opening datum plane 15 on the fixed scale 1 is attached to the top surface of the stock rail G1 and the protrusion at the end part of the third claw 12 is attached to the inner side surface of the stock rail G1; then, moving the movable ruler 2 towards the direction of the switch rail J1 until a fourth stroke measuring reference surface 25 on the movable ruler 2 is attached to the top surface of the switch rail J1 and the side surface of a convex shoulder of a fourth claw 22 on the movable ruler 2 is attached to the inner side surface of the switch rail J1; and (5) tightening the locking screw 5, reading a measured value from the digital display reader 3, and obtaining that the opening distance of the first traction point is x.

And (3) measuring the starting distance of a second traction point: when the point rail is in the repulsion position shown in fig. 3, the measuring tool is placed on two rails G2 and J2 to be measured, so that the first stroke reference surface 14 on the fixed scale 1 is attached to the top surface of the stock rail G2 and the protrusion at the end of the first claw 11 is attached to the inner side surface of the stock rail G2; moving the movable ruler 2 towards the direction of the switch rail J2 until the second opening measuring reference surface 24 on the movable ruler 2 is attached to the top surface of the switch rail J2 and the protrusion at the end part of the second claw 21 on the movable ruler 2 is coincided with the inner surface of the switch rail J2; tightening the locking screw 5, and reading a measured value y from the digital display reader 3; when the point rail is in the position of the closure shown in fig. 4, the same procedure is used to obtain the measurement value z; the second tow point range is y-z.

(2) Measurement of lock-up quantity

The digital display reader 3 and the movable ruler 2 are moved to the scale of 0. Firstly, the digital display reader 3 and the movable ruler 2 are pushed to enable the hook 23 to extend out for a sufficient length, the hook 23 is inserted into the locking frame when the hook head of the hook is vertically upward, then the hook is turned over for 90 degrees, and then the inclined surface of the thimble 13 on the fixed ruler 1 is tried to be attached to the outer inclined surface i of the lug boss of the locking rod shown in fig. 5. Then the movable ruler 2 is retracted in the opposite direction until the hook 23 on the movable ruler 2 hooks the inner slope j of the locking rod boss as shown in fig. 5. And (3) tightening the locking screw 5, reading out a read measurement value H by the digital display reader 3, wherein the locking amount is H-80, namely the length H of the overlapping surface of the locking hook and the boss of the locking rod.

The above detailed description of the embodiments is only for illustrative purposes and not for limiting the technical solutions of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all of them, and on the basis of the present design solutions, innovative improvements and innovative technical solution changes are not made, and equivalents of the same technical features are all included in the scope of the technical solutions of the present invention.

Claims

1. The utility model provides a multi-functional digital display switch measuring tool which characterized in that includes: the device comprises a fixed ruler 1, a movable ruler 2, a digital display reader 3, a Bluetooth emitter 4 and a locking screw 5; the upper part and the lower part of one end of the fixed length 1 are respectively provided with a first clamping jaw 11 and a third clamping jaw 12, and the other end of the fixed length 1 is provided with a thimble 13; the upper part and the lower part of one end of the movable ruler 2 are respectively provided with a second jaw 21 and a fourth jaw 22, and the other end of the movable ruler 2 is provided with a clamping hook 23; the shoulders of the first jaw 11 and the second jaw 21 are respectively a first opening measuring reference surface 14 and a second opening measuring reference surface 24; the convex shoulders of the third jaw 12 and the fourth jaw 22 are a third opening measuring reference surface 15 and a fourth opening measuring reference surface 25 respectively; the third jaw 12 and the fourth jaw 22 are mutually matched and used for measuring the opening range of the first traction point; the first jaw 11 and the second jaw 21 are mutually matched and used for measuring the opening range of a second traction point; the thimble 13 is matched with the hook 23 for measuring the locking amount; the digital display reader 3 and the movable scale 2 are connected into a whole through a screw, can slide relative to the fixed scale 3 and is used for reading a measured value; the locking screw 5 is arranged at the top of the digital display reader 3 to prevent the movable ruler 3 from moving during reading; the Bluetooth emitter 4 is connected to the digital display reader 3 and used for wirelessly transmitting the measurement data.

2. The multifunctional digital display turnout measurement tool according to claim 1, wherein the ends of the first claw 11 and the second claw 21 are provided with protrusions, the distance between the centers of the protrusions and the measurement reference surfaces 14 and 24 is 16mm, and the measurement reference surfaces 14 and 24 are on the same horizontal plane.

3. The multifunctional digital display turnout measurement tool according to claim 1, wherein the end of the third jaw 12 is provided with a bulge, the distance from the center of the bulge to the measurement reference surface 15 is 16mm, the end of the fourth jaw 22 is of a stepped structure, the top surface of the step is a measurement reference surface 25, and the measurement reference surfaces 15 and 25 are not on the same horizontal plane and are 16mm apart.

4. The multifunctional digital display turnout measurement tool according to claim 1, wherein the needle head of the thimble 13 is provided with an inclined plane with a certain inclination, and can be matched with the outer inclined plane of the locking rod boss during measurement.