CN104913757A - Railway wagon crank axis angle measuring device and method - Google Patents
Railway wagon crank axis angle measuring device and method Download PDFInfo
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- CN104913757A CN104913757A CN201510303115.2A CN201510303115A CN104913757A CN 104913757 A CN104913757 A CN 104913757A CN 201510303115 A CN201510303115 A CN 201510303115A CN 104913757 A CN104913757 A CN 104913757A
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- shaped groove
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- angle measurement
- slide block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a railway wagon crank axis angle measuring device and method. The railway wagon crank axis angle measuring device is characterized in that the railway wagon crank axis angle measuring device comprises a framework plate; the framework plate is composed of an upper fixing plate, a lower fixing plate and a connecting plate; a triangular notch is formed at the bottom of the upper fixing plate; one side of the upper fixing plate is connected with a fixing block; a first V-shaped groove is formed at the bottom of the fixing block; the lower fixing plate is provided with a rectangular slide groove which is arranged along the direction of the central line of the first V-shaped groove in the fixing block; a mobile V-shaped block device is arranged in the rectangular slide groove; the mobile V-shaped block device comprises a slide block in slide connection with the rectangular slide groove; a second V-shaped groove is formed at the top of the slide block; a screw thread hole is formed at the bottom of the slide block; an adjusting screw is screwed in the screw thread hole; an angle measuring device is fixed to and connected onto the connecting plate; and the angle measuring device and the fixing block are located at different sides of the framework plate. According to the railway wagon crank axis angle measuring device of the invention, one V-shaped groove is formed at the upper end and lower end of the framework plate respectively, and the slide block at the lower end of the framework plate can slide, and therefore, when measurement is carried out, requirements of cranks with different mounting bore diameters and different mounting hole center line distances can be satisfied.
Description
Technical field
The present invention relates to a kind of measurement mechanism, particularly about a kind of railway freight-car crank throw axis angle measurement mechanism and method.
Background technology
Set up in the end door opener of funnel type railway freight-car and be equipped with crank throw, one end of crank throw is arranged on drive axis on transmission shaft, and the other end is connected with connecting rod by round pin, the rotary motion of transmission shaft is become the linear movement of connecting rod.In the end door opener of funnel type railway freight-car, carry out accurately controlling being very important to the opened and closed positions opened the door in the end, therefore need to measure the angle of crank throw axis each in end door opener and control to adjust end enabling opened and closed positions.The method that the measurement of angle of present crank throw axis generally adopts line, pedal line and bevel protractor to combinationally use carries out measurement operation.Because the crank throw arranged in end door opener is generally positioned at lower car body small space, therefore crank throw measurement and adjustment need many people operate.But owing to operating inconvenience, often need the measurement carried out repeatedly and adjustment, not only time-consuming, effort, and reduce work efficiency.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of easy to operate, quick and measure railway freight-car crank throw axis angle measurement mechanism and method accurately.
For achieving the above object, the present invention takes following technical scheme: a kind of railway freight-car crank throw axis angle measurement mechanism, it is characterized in that: it comprises a frame plate, described frame plate to be connected fixed plate and described bottom plate by a upper mounted plate, bottom plate web joint with one forms; The breach that one is isosceles triangle is offered in the bottom of fixed plate; Be fastenedly connected a fixed block in the side of fixed plate, the bottom of described fixed block offers the first V-shaped groove that is isosceles triangle, and described first V-shaped groove on described fixed block aligns with the described breach on fixed plate; Described bottom plate is provided with a rectangle chute arranged along the centerline direction of described first V-shaped groove on described fixed block; One movable vee-block device is set in described rectangle chute; Described movable vee-block device comprises a slide block be connected with described rectangle slide, and arrange the second V-shaped groove that is isosceles triangle at the top of described slide block, described second V-shaped groove on described slide block is relative with described first V-shaped groove on described fixed block; Offering a threaded hole in the bottom of described slide block, in described threaded hole, screwing togather one for regulating the adjusting screw(rod) of described slide block position in described rectangle chute; A cover plate for preventing described slide block from coming off in described rectangle chute is fastenedly connected at described slide block rear end face; Described web joint is fastenedly connected an angle measurement unit, and described angle measurement unit and described fixed block are in the not homonymy of described frame plate.
Described angle measurement unit comprises the protection box of a rear end opening, and the inner chamber of described protection box is placed with a digital level inclinometer; An observation panel is offered at the front end face of described protection box; In the middle part of the bottom surface of described protection box, be provided with a lattice gear protruding, keep off protruding both sides at described lattice and be respectively arranged with an inclined-plane and right-angle surface and the wedge contacted bottom described digital level inclinometer down; Slide between the bottom surface of described wedge and described protection box and be provided with an inclined-plane adjustment block; Bottom described protection box two sides, offer a counterbore respectively, be plugged with a microspur be screwed in described inclined-plane adjustment block in described counterbore and adjust screw.
In gap between described protection box and described digital level inclinometer, bipeltate plate is set.
The opening angle scope of described first V-shaped groove and described second V-shaped groove is 90 ° ~ 120 °; An elongated square groove can be offered respectively in the bottom of described first V-shaped groove and described second V-shaped groove.
Described frame plate is offered multiple alleviating conduct oneself with dignity and be convenient to the hand-held hand-hold hole of testing staff.
The each corner of outline of described frame plate is set to arc-shaped.
A measuring method for described device, it comprises the following steps:
1) first by calibration block fixed placement on levelling bench, calibration block is that two ends have the profile of closing with the first V-shaped groove and the second V-shaped groove matching form respectively;
2) rotate adjusting screw(rod), the second V-shaped groove on the first V-shaped groove of fixed block and slide block is clamped on respectively the two ends of calibration block;
3) Measurement and calibration block two ends profile and the gap between the first V-shaped groove and the second V-shaped groove, when gap is zero, its reading observed by open angle measurement mechanism; When gap is non-vanishing, unclamp rotation adjusting screw(rod), regulate the position of the first vee-block and the second vee-block, until be adjusted to calibration block two ends profile and the gap between the first V-shaped groove and the second V-shaped groove is adjusted to zero;
4) when its reading observed by open angle measurement mechanism, when reading is shown as " 90 ° ", unclamp adjusting screw(rod), take out calibration block, complete check; When reading is not " 90 ° ", rotate microspur adjustment screw, until complete check work after making its reading be adjusted to " 90 ° ";
5), after having checked, first by first V-shaped groove of transmission shaft through fixed block, and the external cylindrical surface of transmission shaft is made to be stuck in the first V-shaped groove;
6) simultaneously, by round pin axle through the second V-shaped groove of slide block, and by the adjusting screw(rod) in rotary slider, slide block is moved to position that its second V-shaped groove blocks the external cylindrical surface of round pin axle;
7) then open angle measurement mechanism, observes its reading and can record the two mounting hole central axis line perpendicular to the ground of crank throw and/or the angle angle value of day water horizontal line.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention owing to being respectively arranged with a V-shaped groove on the upper mounted plate and bottom plate of frame plate, and be positioned at slide block on bottom plate slidably, different crank throw demand of installing apertures and different mounting hole distance between center line therefore can be adapted to when measuring.2, the present invention is owing to being outside equipped with protection box at digital level inclinometer; and bipeltate plate is added in protection box; therefore can carry out anti-vibration protected to digital level angle gauge, can also effectively prevent the device caused owing to colliding with, beating in unfavorable operating environment from damaging.3, the present invention owing to offering a counterbore respectively bottom protection box two sides; the microspur adjustment screw always wearing inclined-plane adjustment block is plugged with in counterbore; therefore can carry out the relative position of adjustable inclined surface apparatus adjustment block and wedge by rotating microspur adjustment screw, and then the position of digital level angle gauge and measuring accuracy are calibrated.4, microspur of the present invention adjustment screw is owing to being plugged in counterbore, therefore can effectively prevent microspur from adjusting screw unintentional rotation and cause digital level inclinometer datum-plane angular misalignment at work.5, the present invention owing to offering multiple hand-hold hole in frame plate, therefore can be convenient to testing staff's operation while alleviating deadweight.6, the present invention is owing to being configured with special calibration block, can locate fast and accurately each measuring basis of apparatus of the present invention and calibrate.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is the right TV structure schematic diagram of Fig. 1;
Fig. 3 is the left TV structure schematic diagram of Fig. 1;
Fig. 4 is the structural representation in the A-A cross section of Fig. 2;
Fig. 5 is the one-piece construction schematic diagram of inclinometer of the present invention;
Fig. 6 is the structural representation of duty of the present invention;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is that the present invention calibrates schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in figures 1-4, the present invention includes a frame plate 1, frame plate 1 is connected upper mounted plate 11 by upper mounted plate 11, bottom plate 12 with one and forms with the web joint 13 of bottom plate 12; The breach 111 that one is isosceles triangle is offered in the bottom of upper mounted plate 11; Be fastenedly connected a fixed block 2 in the side of upper mounted plate 11, the bottom of fixed block 2 offers the V-shaped groove 21 that is isosceles triangle, and the V-shaped groove 21 on fixed block 2 aligns with the breach 111 on upper mounted plate 11; Bottom plate 12 is provided with a rectangle chute 121 arranged along the centerline direction of the V-shaped groove 21 on fixed block 2; One movable vee-block device 3 is set in rectangle chute 121; Movable vee-block device 3 comprises a slide block 31 be slidably connected with rectangle chute 121, and arrange the V-shaped groove 36 that is isosceles triangle at the top of slide block 31, the V-shaped groove 36 on slide block 31 is relative with the V-shaped groove 21 on fixed block 2; Offer a threaded hole 33 in the bottom of slide block 31, in threaded hole 33, screw togather one for the adjusting screw(rod) 34 of adjusting slider 31 position in rectangle chute 121; A cover plate 35 come off in rectangle chute 121 for anti-limited slip block 31 is fastenedly connected at slide block 31 rear end face; Web joint 13 is fastenedly connected an angle measurement unit 4, and angle measurement unit 4 and fixed block 2 are in the not homonymy of frame plate 1.
In above-described embodiment, as shown in Figure 5, angle measurement unit 4 comprises the protection box 41 of a rear end opening, and the inner chamber of protection box 41 is placed with a digital level inclinometer 42.One is offered for manipulating and observe the observation panel 43 of digital level angle gauge 42 reading at the front end face of protection box 41.In the middle part of the bottom surface of protection box 41, be provided with a lattice gear protruding 45, be respectively arranged with an inclined-plane in protruding 45 both sides of lattice gear and right-angle surface and the wedge 44 contacted bottom digital level inclinometer 42 down.Slide and be provided with an inclined-plane adjustment block 46 between the bottom surface of wedge 44 and protection box 41.A counterbore 47 is offered respectively bottom protection box 41 two sides; be plugged with a microspur be screwed in inclined-plane adjustment block 46 in counterbore 47 and adjust screw 48; by rotating the relative position of microspur adjustment screw 48 adjustable inclined-plane adjustment block 46 and wedge 45, and then the position of digital level angle gauge 42 and measuring accuracy are calibrated.
In above-described embodiment, in the gap between protection box 41 and digital level inclinometer 42, bipeltate plate 49 can be installed additional, for carrying out shockproof and fixing to digital level angle gauge 42.
In above-described embodiment, the opening angle of breach 111 should be greater than the opening angle of V-shaped groove 21, so that can carry out measurement operation through transmission shaft 5 and other part on it when measuring.The opening angle scope of V-shaped groove 21 and V-shaped groove 36 is 90 ° ~ 120 °, can offer an elongated square groove 6 respectively in the bottom of V-shaped groove 21 and V-shaped groove 36, for holding when measuring the axle being provided with key.
In above-described embodiment, frame plate 1 can be offered multiple alleviating and conduct oneself with dignity and be convenient to the hand-held hand-hold hole of testing staff 16.
In above-described embodiment, each corner of outline of frame plate 1 can be set to arc-shaped, so that onsite application, prevents turning from colliding with and causes frame plate 1 to produce distortion.
As can be seen from figures 6 to 8, according to a kind of railway freight-car crank throw axis angle measurement mechanism provided in above-described embodiment, present invention also offers a kind of measuring method of this device, it comprises the following steps:
1) first by calibration block 7 fixed placement (as shown in Figure 8) on levelling bench, calibration block 7 is that two ends have the profile of closing with V-shaped groove 21 and V-shaped groove 36 matching form respectively;
2) rotate adjusting screw(rod) 34, the V-shaped groove 21 of fixed block 2 and the V-shaped groove 36 of slide block 31 are clamped on respectively the two ends of calibration block 7;
3) Measurement and calibration block 7 two ends profile and the gap between V-shaped groove 21 and V-shaped groove 36, when gap is zero, opens digital level inclinometer 42 and observes its reading; When gap is non-vanishing, unclamps and rotate adjusting screw(rod) 34, regulate the position of vee-block 2 and vee-block 32, until be adjusted to calibration block 7 two ends profile and the gap between V-shaped groove 21 and V-shaped groove 36 is adjusted to zero;
4) open digital level inclinometer 42 and observe its reading, when the reading on digital level inclinometer 42 is shown as " 90 ° ", unclamp adjusting screw(rod) 34, take out calibration block 7, complete check; When reading is not " 90 ° ", rotate microspur adjustment screw 48, until complete check work after making its reading be adjusted to " 90 ° ";
5), after having checked, first by the V-shaped groove 21 (as shown in Figure 6, Figure 7) of transmission shaft 5 through fixed block 2, and the external cylindrical surface of transmission shaft 5 is made to be stuck in V-shaped groove 21;
6) simultaneously, by round pin axle 9 V-shaped groove 36 through slide block 31, and by the adjusting screw(rod) 34 in rotary slider 31, slide block 31 is moved to position that its V-shaped groove 36 can block the external cylindrical surface of round pin axle;
7) the digital level inclinometer 42 then in open angle measurement mechanism 4, the reading observed on its display screen can record the two mounting hole central axis line perpendicular to the ground of crank throw 8 and/or the angle angle value of day water horizontal line.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (7)
1. a railway freight-car crank throw axis angle measurement mechanism, is characterized in that: it comprises a frame plate, and described frame plate to be connected fixed plate and described bottom plate by a upper mounted plate, bottom plate web joint with one forms; The breach that one is isosceles triangle is offered in the bottom of fixed plate; Be fastenedly connected a fixed block in the side of fixed plate, the bottom of described fixed block offers the first V-shaped groove that is isosceles triangle, and described first V-shaped groove on described fixed block aligns with the described breach on fixed plate; Described bottom plate is provided with a rectangle chute arranged along the centerline direction of described first V-shaped groove on described fixed block; One movable vee-block device is set in described rectangle chute; Described movable vee-block device comprises a slide block be connected with described rectangle slide, and arrange the second V-shaped groove that is isosceles triangle at the top of described slide block, described second V-shaped groove on described slide block is relative with described first V-shaped groove on described fixed block; Offering a threaded hole in the bottom of described slide block, in described threaded hole, screwing togather one for regulating the adjusting screw(rod) of described slide block position in described rectangle chute; A cover plate for preventing described slide block from coming off in described rectangle chute is fastenedly connected at described slide block rear end face; Described web joint is fastenedly connected an angle measurement unit, and described angle measurement unit and described fixed block are in the not homonymy of described frame plate.
2. a kind of railway freight-car crank throw axis angle measurement mechanism as claimed in claim 1, it is characterized in that: described angle measurement unit comprises the protection box of a rear end opening, the inner chamber of described protection box is placed with a digital level inclinometer; An observation panel is offered at the front end face of described protection box; In the middle part of the bottom surface of described protection box, be provided with a lattice gear protruding, keep off protruding both sides at described lattice and be respectively arranged with an inclined-plane and right-angle surface and the wedge contacted bottom described digital level inclinometer down; Slide between the bottom surface of described wedge and described protection box and be provided with an inclined-plane adjustment block; Bottom described protection box two sides, offer a counterbore respectively, be plugged with a microspur be screwed in described inclined-plane adjustment block in described counterbore and adjust screw.
3. a kind of railway freight-car crank throw axis angle measurement mechanism as claimed in claim 1 or 2, is characterized in that: arrange bipeltate plate in the gap between described protection box and described digital level inclinometer.
4. a kind of railway freight-car crank throw axis angle measurement mechanism as claimed in claim 1 or 2, is characterized in that: the opening angle scope of described first V-shaped groove and described second V-shaped groove is 90 ° ~ 120 °; An elongated square groove can be offered respectively in the bottom of described first V-shaped groove and described second V-shaped groove.
5. a kind of railway freight-car crank throw axis angle measurement mechanism as claimed in claim 1 or 2, is characterized in that: in described frame plate, offer multiple alleviating conduct oneself with dignity and be convenient to the hand-held hand-hold hole of testing staff.
6. a kind of railway freight-car crank throw axis angle measurement mechanism as claimed in claim 1 or 2, is characterized in that: each corner of outline of described frame plate is set to arc-shaped.
7., based on a measuring method for device described in any one of the claims 1 ~ 6, it comprises the following steps:
1) first by calibration block fixed placement on levelling bench, calibration block is that two ends have the profile of closing with the first V-shaped groove and the second V-shaped groove matching form respectively;
2) rotate adjusting screw(rod), the second V-shaped groove on the first V-shaped groove of fixed block and slide block is clamped on respectively the two ends of calibration block;
3) Measurement and calibration block two ends profile and the gap between the first V-shaped groove and the second V-shaped groove, when gap is zero, its reading observed by open angle measurement mechanism; When gap is non-vanishing, unclamp rotation adjusting screw(rod), regulate the position of the first vee-block and the second vee-block, until be adjusted to calibration block two ends profile and the gap between the first V-shaped groove and the second V-shaped groove is adjusted to zero;
4) when its reading observed by open angle measurement mechanism, when reading is shown as " 90 ° ", unclamp adjusting screw(rod), take out calibration block, complete check; When reading is not " 90 ° ", rotate microspur adjustment screw, until complete check work after making its reading be adjusted to " 90 ° ";
5), after having checked, first by first V-shaped groove of transmission shaft through fixed block, and the external cylindrical surface of transmission shaft is made to be stuck in the first V-shaped groove;
6) simultaneously, by round pin axle through the second V-shaped groove of slide block, and by the adjusting screw(rod) in rotary slider, slide block is moved to position that its second V-shaped groove blocks the external cylindrical surface of round pin axle;
7) then open angle measurement mechanism, observes its reading and can record the two mounting hole central axis line perpendicular to the ground of crank throw and/or the angle angle value of day water horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303115.2A CN104913757B (en) | 2015-06-05 | 2015-06-05 | A kind of railway freight-car crank throw axis angle measurement apparatus and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303115.2A CN104913757B (en) | 2015-06-05 | 2015-06-05 | A kind of railway freight-car crank throw axis angle measurement apparatus and method |
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| Publication Number | Publication Date |
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| CN104913757A true CN104913757A (en) | 2015-09-16 |
| CN104913757B CN104913757B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510303115.2A Active CN104913757B (en) | 2015-06-05 | 2015-06-05 | A kind of railway freight-car crank throw axis angle measurement apparatus and method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62218055A (en) * | 1986-03-18 | 1987-09-25 | Kobe Steel Ltd | Method for automatic centering of crank shaft |
| CN102529994A (en) * | 2012-01-10 | 2012-07-04 | 南车长江车辆有限公司 | Bottom door opening and closing air control system for railroad hopper car |
| CN102944162A (en) * | 2012-11-26 | 2013-02-27 | 南车二七车辆有限公司 | Device for measuring connecting rod eccentricity e of railroad hopper car |
| CN202903112U (en) * | 2012-11-26 | 2013-04-24 | 重庆美心翼申机械制造有限公司 | Testing fixture for detecting included angle between main shaft plane and eccentric plane of shaft parts |
| CN203116680U (en) * | 2013-03-01 | 2013-08-07 | 重庆歇马机械曲轴有限公司 | Timing angle detection tool for engine crankshaft assembly |
| CN103978447A (en) * | 2014-06-11 | 2014-08-13 | 潼南县玉兰铸造厂（微型企业） | Sliding type clamping pliers |
| CN204730820U (en) * | 2015-06-05 | 2015-10-28 | 南车二七车辆有限公司 | Railway freight-car crank throw axis angle measurement mechanism |
-
2015
- 2015-06-05 CN CN201510303115.2A patent/CN104913757B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62218055A (en) * | 1986-03-18 | 1987-09-25 | Kobe Steel Ltd | Method for automatic centering of crank shaft |
| CN102529994A (en) * | 2012-01-10 | 2012-07-04 | 南车长江车辆有限公司 | Bottom door opening and closing air control system for railroad hopper car |
| CN102944162A (en) * | 2012-11-26 | 2013-02-27 | 南车二七车辆有限公司 | Device for measuring connecting rod eccentricity e of railroad hopper car |
| CN202903112U (en) * | 2012-11-26 | 2013-04-24 | 重庆美心翼申机械制造有限公司 | Testing fixture for detecting included angle between main shaft plane and eccentric plane of shaft parts |
| CN203116680U (en) * | 2013-03-01 | 2013-08-07 | 重庆歇马机械曲轴有限公司 | Timing angle detection tool for engine crankshaft assembly |
| CN103978447A (en) * | 2014-06-11 | 2014-08-13 | 潼南县玉兰铸造厂（微型企业） | Sliding type clamping pliers |
| CN204730820U (en) * | 2015-06-05 | 2015-10-28 | 南车二七车辆有限公司 | Railway freight-car crank throw axis angle measurement mechanism |
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| CN104913757B (en) | 2017-08-25 |
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Address after: 100072 No. 1 Zhangguozhuangjia, Fengtai District, Beijing Patentee after: CRRC BEIJING ERQI VEHICLE Co.,Ltd. Address before: 100072 No. 1 Zhangguozhuangjia, Fengtai District, Beijing Patentee before: CSR Erqi Vehicle Co.,Ltd. |
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Effective date of registration: 20190702 Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR ROLLING STOCK Co.,Ltd. Address before: 100072 No. 1 Zhangguozhuangjia, Fengtai District, Beijing Patentee before: CRRC BEIJING ERQI VEHICLE Co.,Ltd. |