CN208350268U - The brake force system of high-precision tread brake formula force-measuring framework tests structure - Google Patents
The brake force system of high-precision tread brake formula force-measuring framework tests structure Download PDFInfo
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- CN208350268U CN208350268U CN201820930350.1U CN201820930350U CN208350268U CN 208350268 U CN208350268 U CN 208350268U CN 201820930350 U CN201820930350 U CN 201820930350U CN 208350268 U CN208350268 U CN 208350268U
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- foil gauge
- brake
- seat plate
- installation seat
- identification point
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Abstract
The utility model provides a kind of brake force system test structure of high-precision tread brake formula force-measuring framework, high separation load identification point region is defined on tread brake formula framework brake installation seat plate, then foil gauge is pasted on each high separation load identification point region, each high separation load identification point region respectively takes a foil gauge to form one group of full-bridge circuit, to constitute full-bridge circuit structure；Using structure provided by the utility model, one or more groups of full-bridge circuits are formed on the brake installation seat plate of force-measuring framework, by testing full-bridge circuit feedback signal, can be realized the purpose of bogie brake force system test, and improve measuring accuracy.
Description
Technical field
The utility model relates to the structures that the brake force system of the tread brake formula force-measuring framework to rail vehicle is tested.
Background technique
Tread brake formula bogie widely used in rail vehicle there is no for such in the prior art
The test method of type bogie tread brake power system.
Utility model content
The purpose of this utility model is: providing a kind of brake force system test knot of high-precision tread brake formula force-measuring framework
Structure, to brake force, system is tested.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of brake force system test structure of high-precision tread brake formula force-measuring framework, tread brake formula force-measuring framework tool
There are curb girder one, curb girder two and two piece crossbeam, is provided with brake installation seat plate one on curb girder one, is provided with brake on curb girder two
Installation seat plate two；It is characterized by:
There is high separation load identification point region in the edge surface definition of brake installation seat plate, in which:
First high separation load identification point region: positioned at the left thickness edge surface of brake installation seat plate one, and
Between the left hand brake machine mounting hole and framework cross central line of brake installation seat plate one；
Second high separation load identification point region: positioned at the left thickness edge surface of brake installation seat plate two, and
Between the left hand brake machine mounting hole and framework cross central line of brake installation seat plate two；
Third high separation load identification point region: positioned at the right thickness edge surface of brake installation seat plate one, and
Between the right side brake machine mounting hole and framework cross central line of brake installation seat plate one；
4th high separation load identification point region: positioned at the right thickness edge surface of brake installation seat plate two, and
Between the right side brake machine mounting hole and framework cross central line of brake installation seat plate two；
It is pasted with foil gauge on each high separation load identification point region, is claimed: the first high separation load identification point
Foil gauge on region is the first foil gauge, and the foil gauge on the second high separation load identification point region is the second foil gauge,
Foil gauge on third high separation load identification point region is third foil gauge, on the 4th high separation load identification point region
Foil gauge be the 4th foil gauge；
One the first foil gauge, second foil gauge, a third foil gauge and a 4th foil gauge composition one
A full-bridge circuit structure；In the full-bridge circuit structure, the first foil gauge and the second pairs of arm of foil gauge group, third foil gauge with
The 4th pairs of arm of foil gauge group, the first foil gauge and third foil gauge form adjacent arms, and the second foil gauge and the 4th foil gauge form
Adjacent arms.
The brake force system of the high-precision tread brake formula force-measuring framework tests structure, in which: on force-measuring framework also
It is disposed at least one set of spare full-bridge circuit structure.
The utility model is directed to the kinetic characteristic of framework, tests and needs directly against framework brake force system, devises steering
Frame force-measuring framework；According to the mechanical characteristic of tread brake bogie, devised on the brake installation seat plate of framework independent
Full-bridge circuit makes the brake force system of framework entirety have bigger level of response on the basis of careful calculating, while making it
The disturbance response that its power system generates is rung far below braking test, to ensure the decoupling precision of each power system.Bogie force-measuring framework
It is proposed not only ensure that measuring accuracy, but also make that preferable quasi-static relationship is presented between the load measured and structural strain.
Detailed description of the invention
Fig. 1 is tread brake bogie force-measuring framework elevational schematic view；
Fig. 2 is tread brake bogie force-measuring framework brake installation seat plate surface mount foil gauge schematic diagram；
Fig. 2A is the bridge arrangement figure of force-measuring framework brake force test structure.
Description of symbols: the first foil gauge of 1-；The second foil gauge of 2-；3- third foil gauge；The 4th foil gauge of 4-；52-
Curb girder one；51- curb girder two；53,54- crossbeam；55- brake installation seat plate one；56- brake installation seat plate two；61,62,63,
64- brake mounting hole；S1, S2, S3, S4- high separation load identification point region；A- framework cross central line；B- framework is vertical
To center line.
Specific embodiment
The manufacturing process for introducing bogie force-measuring framework roughly first is as follows:
(1) finite element model that tyre tread formula braking force-measuring framework is established using finite element method, applies mould to frame construction
Quasi- load, architecturally designs strain group bridge mode for brake force system, determines force-measuring framework high separation load identification point area
Domain.
(2) foil gauge is pasted in high separation load identification point region, foil gauge is connected into full-bridge circuit.
(3) frame construction is subjected to static demarcating on multichannel load force-measuring framework special calibrating testing stand, obtained complete
Corresponding relationship between bridge circuit and calibration load, completes the production of force-measuring framework.
The detailed process of high separation load identification point and the mark in step (3) on framework are found in above-mentioned steps (1)
Determine process, and be not belonging to the utility model it is claimed within the scope of, the public will not be influenced and use the utility model
Load test is carried out, therefore, it will not go into details for the utility model.
In conjunction with diagram, the specific structure for introducing the utility model is as follows:
Typical tread brake formula force-measuring framework as shown in Figure 1 has curb girder 1, curb girder 2 51 and two crossbeams
53,54, brake installation seat plate 1 is provided on curb girder 1, and rear side brake installation seat plate two is provided on curb girder 2 51
56.As shown in Fig. 2, being equipped with the first high separation load identification point region S1 in the left side of brake installation seat plate 1, making
The left side of motivation installation seat plate 2 56 is equipped with the second high separation load identification point region S2；In brake installation seat plate 1
Right side is equipped with third high separation load identification point region S3；The right side of brake installation seat plate 2 56 be equipped with the second high score from
Spend load identification point region S4.
Specifically:
First high separation load identification point region S1: positioned at the left thickness edge table of brake installation seat plate 1
Face, and be located between the left hand brake machine mounting hole 61 and framework cross central line a of brake installation seat plate 1；
Second high separation load identification point region S2: positioned at the left thickness edge table of brake installation seat plate 2 56
Face, and be located between the left hand brake machine mounting hole 62 and framework cross central line of brake installation seat plate 2 56；
Third high separation load identification point region S3: positioned at the right thickness edge table of brake installation seat plate 1
Face, and be located between the right side brake machine mounting hole 63 and framework cross central line a of brake installation seat plate 1；
4th high separation load identification point region S4: positioned at the right thickness edge table of brake installation seat plate 2 56
Face, and be located between the right side brake machine mounting hole 64 and framework cross central line a of brake installation seat plate 2 56；
It is pasted with foil gauge on each high separation load identification point region, is claimed: the first high separation load identification point
Foil gauge on the S1 of region is the first foil gauge 1, and the foil gauge on the second high separation load identification point region S2 is answered for second
Become piece 2, the foil gauge on third high separation load identification point region S3 is third foil gauge 3, and the 4th high separation load is known
Foil gauge on other region S4 is the 4th foil gauge 4；One the first foil gauge, 1, second foil gauge, 2, thirds are answered
Become piece 3 and the 4th foil gauge 4 forms one group of full-bridge circuit structure；
As shown in Figure 2 A, in the full-bridge circuit structure, 2 groups of pairs of arms of the first foil gauge 1 and the second foil gauge, third is answered
Become 4 groups of pairs of arms of piece 3 and the 4th foil gauge, the first foil gauge 1 forms adjacent arms, the second foil gauge 2 and the 4th with third foil gauge 3
Foil gauge 4 forms adjacent arms.
Wherein it is possible to multiple foil gauges be pasted on each high separation load identification point region, to form multiple full-bridges
Circuit, to improve the measuring accuracy of framework brake force system.
The brake force system of tread brake formula force-measuring framework provided by the utility model tests structure, on the basis of careful calculating
Above so that the brake force system of framework entirety has bigger level of response, while the disturbance response for generating other power systems is far below
Braking test is rung, to ensure the decoupling precision of each power system.The utility model not only ensure that measuring accuracy, but make the load measured with
Preferable quasi-static relationship is presented between structural strain.
Claims (2)
1. a kind of brake force system of high-precision tread brake formula force-measuring framework tests structure, which has
Curb girder one, curb girder two and two piece crossbeam are provided with brake installation seat plate one on curb girder one, and brake peace is provided on curb girder two
Fill seat board two；It is characterized by:
There is high separation load identification point region in the edge surface definition of brake installation seat plate, in which:
First high separation load identification point region: positioned at the left thickness edge surface of brake installation seat plate one, and it is located at
Between the left hand brake machine mounting hole and framework cross central line of brake installation seat plate one；
Second high separation load identification point region: positioned at the left thickness edge surface of brake installation seat plate two, and it is located at
Between the left hand brake machine mounting hole and framework cross central line of brake installation seat plate two；
Third high separation load identification point region: positioned at the right thickness edge surface of brake installation seat plate one, and it is located at
Between the right side brake machine mounting hole and framework cross central line of brake installation seat plate one；
4th high separation load identification point region: positioned at the right thickness edge surface of brake installation seat plate two, and it is located at
Between the right side brake machine mounting hole and framework cross central line of brake installation seat plate two；
It is pasted with foil gauge on each high separation load identification point region, is claimed: the first high separation load identification point region
On foil gauge be the first foil gauge, the foil gauge on the second high separation load identification point region is the second foil gauge, third
Foil gauge on high separation load identification point region is third foil gauge, answering on the 4th high separation load identification point region
Change piece is the 4th foil gauge；
One the first foil gauge, second foil gauge, a third foil gauge and the 4th foil gauge form one entirely
Bridge circuit structure；In the full-bridge circuit structure, the first foil gauge and the second pairs of arm of foil gauge group, third foil gauge and the 4th
The pairs of arm of foil gauge group, the first foil gauge and third foil gauge form adjacent arms, and the second foil gauge and the 4th foil gauge form adjacent arms.
2. the brake force system of high-precision tread brake formula force-measuring framework according to claim 1 tests structure, feature exists
In: it there also is provided at least one set of spare full-bridge circuit structure on force-measuring framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930350.1U CN208350268U (en) | 2018-06-15 | 2018-06-15 | The brake force system of high-precision tread brake formula force-measuring framework tests structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930350.1U CN208350268U (en) | 2018-06-15 | 2018-06-15 | The brake force system of high-precision tread brake formula force-measuring framework tests structure |
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| Publication Number | Publication Date |
|---|---|
| CN208350268U true CN208350268U (en) | 2019-01-08 |
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ID=64884079
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820930350.1U Active CN208350268U (en) | 2018-06-15 | 2018-06-15 | The brake force system of high-precision tread brake formula force-measuring framework tests structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608840A (en) * | 2018-06-15 | 2019-12-24 | 北京交通大学 | Braking force system testing structure of tread braking type force measuring frame and manufacturing method thereof |
-
2018
- 2018-06-15 CN CN201820930350.1U patent/CN208350268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608840A (en) * | 2018-06-15 | 2019-12-24 | 北京交通大学 | Braking force system testing structure of tread braking type force measuring frame and manufacturing method thereof |
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