CN105043205B - Lever ratio measurement apparatus and lever ratio measuring method - Google Patents
Lever ratio measurement apparatus and lever ratio measuring method Download PDFInfo
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- CN105043205B CN105043205B CN201510276869.3A CN201510276869A CN105043205B CN 105043205 B CN105043205 B CN 105043205B CN 201510276869 A CN201510276869 A CN 201510276869A CN 105043205 B CN105043205 B CN 105043205B
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- alignment pin
- lever ratio
- sliding sleeve
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Abstract
The present invention provides a kind of lever ratio measurement apparatus and lever ratio measuring method.Lever ratio measurement apparatus, including retractable rod, guide rod and sliding sleeve；Retractable rod includes two end bodies of rod and a middle part body of rod, the middle part body of rod is located between two end bodies of rod, the both ends of the middle part body of rod are slidably connected on the corresponding end body of rod respectively, the sidepiece of each end body of rod is provided with the first alignment pin, guide rod is fixed on the body of rod of middle part, graduation mark is provided with guide rod, sliding sleeve covers on the guide bar, sliding sleeve can be rotated and slided on the guide bar, the side wall of sliding sleeve is formed with jack, slidable be provided with support, support is formed with pin-and-hole in jack, and slidably the second alignment pin is provided with pin-and-hole；The end face center of first alignment pin and the second alignment pin is respectively arranged with measurement markers.Realize and facilitate operating personnel to measure by lever ratio measurement apparatus, reduce measurement difficulty and improve measurement accuracy.
Description
Technical field
The present invention relates to measuring apparatus, more particularly to a kind of lever ratio measurement apparatus and lever ratio measuring method.
Background technology
At present, rail vehicle is widely used in people's go off daily and cargo transport, for rail vehicle truck
It is one of important component.Arrestment mechanism in bogie generally includes lever and connecting rod, and the two ends and middle part of lever are set respectively
Be equipped with bush hole, and three bush holes of lever axis be generally aligned in the same plane in, the two ends and middle part of connecting rod are also set respectively
Have bush hole, still, in the axis of the bush hole at connecting rod two ends is generally aligned in the same plane, and the axis of the bush hole in the middle part of connecting rod with
The axis of the bush hole at two ends is vertically positioned in different planes.In assembly and adjustment, it is necessary to the bushing on lever and connecting rod
The distance between hole is measured, and to obtain lever ratio, is realized and is accurately installed brake lever.Prior art is adopted generally with three-dimensional
Lining instrument is measured to lever and connecting rod, and, it is necessary to in the bush hole on lever and connecting rod in actual measurement process
The heart is measured, and determines that the difficulty at center is larger, measurement accuracy is relatively low, also, because the bush hole on connecting rod is not same flat
, it is necessary to carry out levelling and centering to connecting rod on face, operating process is cumbersome.How to design it is a kind of facilitate operating personnel measurement, reduction
Measurement difficulty and to improve the measuring apparatus of measurement accuracy be the technical problems to be solved by the invention.
The content of the invention
The technical problems to be solved by the invention are：A kind of lever ratio measurement apparatus and lever ratio measuring method are provided, it is real
Now operating personnel are facilitated to measure by lever ratio measurement apparatus, reduction measures difficulty and improves measurement accuracy.
The technical scheme that the present invention is provided is, a kind of lever ratio measurement apparatus, including retractable rod, guide rod and cunning
Set；The retractable rod includes two end bodies of rod and a middle part body of rod, and the middle part body of rod is located at two ends
Between the body of rod, the both ends of the middle part body of rod are slidably connected on the corresponding end body of rod respectively, each end
The sidepiece of the body of rod is provided with the first alignment pin, and the guide rod is fixed on the middle part body of rod, is provided with the guide rod
Graduation mark, the sliding sleeve is enclosed on the guide rod, and the sliding sleeve can be rotated and slided on the guide rod, the sliding sleeve
Side wall is formed with jack, the jack slidable be provided with support, the support and is formed with pin-and-hole, can in the pin-and-hole
That slides is provided with the second alignment pin；The end face center of first alignment pin and second alignment pin is respectively arranged with measurement
Mark.
Further, the end shank body is internally formed piston cavity, and the both ends of the middle part body of rod are provided with piston
Bar, the piston rod is slidably arranged in the corresponding piston cavity.
The present invention also provides a kind of lever ratio measuring method, and using above-mentioned lever ratio measurement apparatus, specific steps include：It is right
The lever and connecting rod of arrestment mechanism are measured in bogie；
Measure the lever ratio of lever：The distance between two first alignment pins of adjustment, two the first alignment pin correspondences are inserted
In the bush hole at lever both ends, the second alignment pin is inserted in lever by the position of the adjustment middle part body of rod and the second alignment pin
In the bush hole in portion, by measuring scale measure two the first alignment pins on measurement markers respectively with the measurement on the second alignment pin
The distance between mark；
Measure the lever ratio of connecting rod：The distance between two first alignment pins of adjustment, two the first alignment pin correspondences are inserted
In the bush hole at connecting rod both ends, the second alignment pin is inserted in connecting rod by the position of the adjustment middle part body of rod and the second alignment pin
In the bush hole in portion, the distance between measurement markers on two the first alignment pins are measured by measuring scale, read on guide rod
Reading.
Lever ratio measurement apparatus and lever ratio measuring method that the present invention is provided, by using three-stage Telescopic rod structure,
Alignment pin is correspondingly arranged on every section of body of rod, alignment pin is inserted into corresponding bush hole, just can facilitate operating personnel couple
Lever or connecting rod are accurately measured, and because alignment pin can be good at being fitted close with bush hole, pass through measurement and positioning pin
On measurement markers, accuracy of measurement can be effectively improved, and for three bush holes that space on connecting rod is arranged, in measurement
When, the second alignment pin is inserted into reading that just can be on the guide bar in the bush hole in the middle part of connecting rod, it is to avoid drawn using three-dimensional
Line instrument needs the difficult phenomenon of frequent levelling capturing and positioning bush hole center, and realization facilitates operating personnel's measurement, reduction
Measurement difficulty simultaneously improves measurement accuracy.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that lever ratio measurement apparatus embodiment of the present invention is in the front view measured to connecting rod under state；
Fig. 2 is that lever ratio measurement apparatus embodiment of the present invention is in the side view measured to connecting rod under state；
Fig. 3 is that lever ratio measurement apparatus embodiment of the present invention is in the top view measured to connecting rod under state；
Fig. 4 be in Fig. 3 A-A to sectional view；
Fig. 5 is that lever ratio measurement apparatus embodiment of the present invention is in the top view measured to lever under state.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As Figure 1-Figure 4, the present embodiment lever ratio measurement apparatus, including retractable rod 1, guide rod 2 and sliding sleeve 3；
The retractable rod 1 includes two end bodies of rod 11 and a middle part body of rod 12, and the middle part body of rod 12 is located at described in two
Between the end body of rod 11, the both ends of the middle part body of rod 12 are slidably connected on the corresponding end body of rod 11 respectively, often
The sidepiece of the individual end body of rod 11 is provided with the first alignment pin 41, and the guide rod 2 is fixed on the middle part body of rod 12, institute
State and be provided with graduation mark on guide rod 2（It is not shown）, the sliding sleeve 3 is enclosed on the guide rod 2, and the sliding sleeve 3 can be described
Rotate and slide on guide rod 2, the side wall of the sliding sleeve 3 is formed with jack（It is not shown）, slidably set in the jack
Have and be formed with pin-and-hole on support 31, the support（It is not shown）, slidably the second alignment pin 42 is provided with the pin-and-hole；Institute
The end face center for stating the first alignment pin 41 and second alignment pin 42 is respectively arranged with measurement markers 40.
Specifically, the present embodiment lever ratio measurement apparatus can be carried out to the lever and connecting rod of arrestment mechanism in bogie
Measurement obtains lever ratio, exemplified by being measured to connecting rod：Because three bush holes are arranged in space on connecting rod, connecting rod middle gasket
The axis for covering hole is vertical with the axis of interlinking lever end bush hole, in measurement, rotates the axis that sliding sleeve 3 causes the second alignment pin 42
With the diameter parallel of bush hole in the middle part of connecting rod, then, the position for sliding sliding sleeve 3 causes the second alignment pin 42 to be inserted into connecting rod
In the bush hole of middle part, and the corresponding bush hole for being inserted in connecting rod both ends of the first alignment pin 41, read the reading acquisition of guide rod 2
Measurement distance numerical value is L1, and the distance value for measuring measurement markers 40 on two the first alignment pins 41 by measuring scale is L2, then L2/
L1 is the lever ratio of connecting rod.If necessary to be measured to lever, as shown in figure 5, the position of adjustment sliding sleeve 3 so that second
Then first alignment pin 41, is inserted into thick stick by the axis of the axis of alignment pin 42 and the first alignment pin 41 in being generally aligned in the same plane
The bush hole at bar both ends, and the second alignment pin 42 is inserted into its intermediate part bush hole, measures two respectively by measuring scale
The distance between the measurement markers 40 of the alignment pin 42 of measurement markers 40 and second of first alignment pin 41 value L1 and L2, then L2/L1
The as lever ratio of lever.
Further, in order to ensure retractable rod 1 can be smooth reliable flexible, the end body of rod 11 is internally formed
Piston cavity, the both ends of the middle part body of rod 12 are provided with piston rod, and the piston rod is slidably arranged in the corresponding work
Fill in cavity.
The present invention also provides a kind of lever ratio measuring method, and using above-mentioned lever ratio measurement apparatus, specific steps include：It is right
The lever and connecting rod of arrestment mechanism are measured in bogie；
Measure the lever ratio of lever：The distance between two first alignment pins of adjustment, two the first alignment pin correspondences are inserted
In the bush hole at lever both ends, the second alignment pin is inserted in lever by the position of the adjustment middle part body of rod and the second alignment pin
In the bush hole in portion, by measuring scale measure two the first alignment pins on measurement markers respectively with the measurement on the second alignment pin
The distance between mark；
Measure the lever ratio of connecting rod：The distance between two first alignment pins of adjustment, two the first alignment pin correspondences are inserted
In the bush hole at connecting rod both ends, the second alignment pin is inserted in connecting rod by the position of the adjustment middle part body of rod and the second alignment pin
In the bush hole in portion, the distance between measurement markers on two the first alignment pins are measured by measuring scale, read on guide rod
Reading.
Lever ratio measurement apparatus and lever ratio measuring method that the present invention is provided, by using three-stage Telescopic rod structure,
Alignment pin is correspondingly arranged on every section of body of rod, alignment pin is inserted into corresponding bush hole, just can facilitate operating personnel couple
Lever or connecting rod are accurately measured, and because alignment pin can be good at being fitted close with bush hole, pass through measurement and positioning pin
On measurement markers, accuracy of measurement can be effectively improved, and for three bush holes that space on connecting rod is arranged, in measurement
When, the second alignment pin is inserted into reading that just can be on the guide bar in the bush hole in the middle part of connecting rod, it is to avoid drawn using three-dimensional
Line instrument needs the difficult phenomenon of frequent levelling capturing and positioning bush hole center, and realization facilitates operating personnel's measurement, reduction
Measurement difficulty simultaneously improves measurement accuracy.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (2)
1. a kind of lever ratio measurement apparatus, it is characterised in that including retractable rod, guide rod and sliding sleeve；The expansion link group
Part includes two end bodies of rod and a middle part body of rod, and the middle part body of rod is located between two end bodies of rod, it is described in
The both ends of portion's body of rod are slidably connected on the corresponding end body of rod respectively, and the sidepiece of each end body of rod is provided with
First alignment pin, the guide rod is fixed on the middle part body of rod, and graduation mark, the sliding sleeve set are provided with the guide rod
On the guide rod, the sliding sleeve can be rotated and slided on the guide rod, and the side wall of the sliding sleeve is formed with jack, institute
State slidable be provided with support, the support in jack and be formed with pin-and-hole, slidably second is provided with the pin-and-hole
Alignment pin；The end face center of first alignment pin and second alignment pin is respectively arranged with measurement markers.
2. lever ratio measurement apparatus according to claim 1, it is characterised in that the end shank body is internally formed plunger shaft
Body, the both ends of the middle part body of rod are provided with piston rod, and the piston rod is slidably arranged in the corresponding piston cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276869.3A CN105043205B (en) | 2015-05-27 | 2015-05-27 | Lever ratio measurement apparatus and lever ratio measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276869.3A CN105043205B (en) | 2015-05-27 | 2015-05-27 | Lever ratio measurement apparatus and lever ratio measuring method |
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| Publication Number | Publication Date |
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| CN105043205A CN105043205A (en) | 2015-11-11 |
| CN105043205B true CN105043205B (en) | 2017-10-31 |
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| CN201510276869.3A Active CN105043205B (en) | 2015-05-27 | 2015-05-27 | Lever ratio measurement apparatus and lever ratio measuring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108709476B (en) * | 2018-08-17 | 2019-12-17 | 上海芃佳精密机械科技有限公司 | quick gauge for automobile wheel cover assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002005604A (en) * | 2000-06-26 | 2002-01-09 | Daiwa House Ind Co Ltd | Inter-hole dimension measurement auxiliary equipment |
| CN201344781Y (en) * | 2008-12-31 | 2009-11-11 | 江苏万工科技集团有限公司 | Device for inspecting space between needle bar hole and upper shaft front hole on flat sewing machine |
| CN202339177U (en) * | 2011-12-13 | 2012-07-18 | 晋西铁路车辆有限责任公司 | Measuring tool for accurately measuring space between two holes |
| CN103673810A (en) * | 2013-11-29 | 2014-03-26 | 南通高盛机械制造有限公司 | Guide vane arm detection tool |
| CN104111016A (en) * | 2014-06-24 | 2014-10-22 | 湖北精工钢结构有限公司 | Bole pitch measurement apparatus |
-
2015
- 2015-05-27 CN CN201510276869.3A patent/CN105043205B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002005604A (en) * | 2000-06-26 | 2002-01-09 | Daiwa House Ind Co Ltd | Inter-hole dimension measurement auxiliary equipment |
| CN201344781Y (en) * | 2008-12-31 | 2009-11-11 | 江苏万工科技集团有限公司 | Device for inspecting space between needle bar hole and upper shaft front hole on flat sewing machine |
| CN202339177U (en) * | 2011-12-13 | 2012-07-18 | 晋西铁路车辆有限责任公司 | Measuring tool for accurately measuring space between two holes |
| CN103673810A (en) * | 2013-11-29 | 2014-03-26 | 南通高盛机械制造有限公司 | Guide vane arm detection tool |
| CN104111016A (en) * | 2014-06-24 | 2014-10-22 | 湖北精工钢结构有限公司 | Bole pitch measurement apparatus |
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| Publication number | Publication date |
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| CN105043205A (en) | 2015-11-11 |
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Address after: 266111 Chengyang City, Shandong Province District, Ping Road, No. 9, No. Applicant after: CRRC SIFANG CO., LTD. Address before: 266111 Chengyang City, Shandong Province District, Ping Road, No. 9, No. Applicant before: CSR Sifang Locomotive and Rolling Stock Co., Ltd. |
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Effective date of registration: 20210721 Address after: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee after: Qingdao CRRC Sifang Rail Vehicle Co.,Ltd. Address before: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee before: CRRC SIFANG Co.,Ltd. |