CN104390634B - The little jaw measurement frame of track plates and its measuring method - Google Patents

The little jaw measurement frame of track plates and its measuring method Download PDF

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Publication number
CN104390634B
CN104390634B CN201410674873.0A CN201410674873A CN104390634B CN 104390634 B CN104390634 B CN 104390634B CN 201410674873 A CN201410674873 A CN 201410674873A CN 104390634 B CN104390634 B CN 104390634B
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China
Prior art keywords
frame
cam
shaped frame
bushing
screw
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CN201410674873.0A
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CN104390634A (en
Inventor
柏万强
陈心
陈心一
蒋书
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Chengdu Jingwei Technological Apparatus Co., Ltd.
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CHENGDU JINGWEI TECHNOLOGICAL APPARATUS Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/02Means for marking measuring points

Abstract

The present invention provides a kind of little jaw measurement frame of high-precision high-speed railway track plate and its measuring method.The little jaw of track plates measures frame, including T-shaped frame, the big end both sides of T-shaped frame are provided with a pair of fixed contacts, prism table is fixed in the corresponding hole position in the middle part of the small end of T-shaped frame, screw adapter is arranged in the corresponding hole position of the small end end of T-shaped frame, the outer cylinder of the shell of the endoporus and screw adapter of bushing coordinates, the endoporus of cam is nested with the cooperation of the outer cylinder of bushing, in rotary course, the pair of fixed contact is made to be pushed against on support rail face using the offset of cam, the screw adapter, bushing and cam constitute link gear.The geometry state of fully analog orbit plate of the invention, solve the orientation problem in mileage direction, screw adapter makes positioning relatively reliable, can compensate the installation interference that the scale error and site error of nail are caused simultaneously, it is ensured that the center of prismosphere is on the transverse center face of sleeper.

Description

The little jaw measurement frame of track plates and its measuring method
Technical field
The present invention relates to a kind of high-speed railway track plate adjuster, the little jaw measurement mark of more particularly to a kind of track plates Frame and its measuring method.
Background technology
In high-speed railway CRTS type III track slab precision adjustment operations, needs dispose measurement servicing unit on track plates, Traditional aided measurement device is and the last cross spacing of track with screw or a vice jaw surface as cross measure basis of reference It is that screw is only available to one downward anchor force of fastener realizing by vice jaw surface.Screw adopts plastic production, if conduct The cross measure basis of reference of track slab precision adjustment measurement is less reasonable, and accurate adjustment precision is not reached yet.With vice jaw surface as cross measure The typical measuring arrangements of basis of reference have very big perfect, but do not account for the error in support rail face (rail cant) to accurate adjustment precision Impact.
The content of the invention
The technical problem to be solved is to provide a kind of little jaw measurement mark of high-precision high-speed railway track plate Frame and its measuring method.
The technical proposal for solving the technical problem of the invention is:The little jaw of track plates measures frame, including T-shaped frame, The big end both sides of T-shaped frame are provided with a pair of fixed contacts, prism table is fixed in the corresponding hole position in the middle part of the small end of T-shaped frame, spiral shell Pore adapter is arranged in the corresponding hole position of the small end end of T-shaped frame, the column jacket of the shell of the endoporus and screw adapter of bushing Face coordinates, and the endoporus of cam is nested with the cooperation of the outer cylinder of bushing, makes described one using the offset of cam in rotary course Fixed contact is pushed against on support rail face, the screw adapter, bushing and cam constitute link gear.
Further, also it is symmetrical arranged in the axis of T-shaped frame and big end both sides respectively, three including three supporting screws Three contacts of individual supporting screw lower end constitute an isosceles triangle, are supported on support rail table top jointly.
Further, the screw adapter includes mandrel, stage clip, shell and bolt, and hollow internal in shell is arranged Have stage clip and a mandrel, mandrel bottom is positioning cone, compression spring sleeve on mandrel, the upper end of bolt fixed central spindle.
Further, the big end both sides of the T-shaped frame are provided with clip slot, the pair of fixed contact is by a pair of pressing plates and One fixing screws are limited in the clip slot of both sides respectively, and adjusting screw adjusts the overhang of a pair of fixed contacts and demarcates position to reach Put.
Further, also including nut shim, the nut shim compresses bushing, makes the lower surface of bushing push against shell Step surface, bushing limit screw adapter shaft to position, it is ensured that link gear slides in the chute of T-shaped frame.
Further, also including retainer ring and lid, the Fixing shrink ring is on the outer cylinder of cam, and is arranged on lid On, lid is arranged on T-shaped frame by screw, and the step at the screw hole location of the lid limits the axially-movable of cam.
Further, the prism table is fixed in the corresponding hole position in the middle part of the small end of T-shaped frame by the second fixing screws, and Fixation is tightened by turnbuckle in lower end, in prism bar insertion prism table.
Further, the center of circle O of the bias on the cam1Side is provided with the first labelling, on the cam not Eccentric center of circle O sides are provided with the second labelling.
The little jaw of track plates measures the measuring method of frame, and the method is comprised the following steps:
1) prism bar is arranged on T-shaped frame, and is fixed tightly with turnbuckle;
2) rotating cam makes the second labelling on cam near prism bar side, then promotes whole link gear to prism bar Direction sliding, until can not slide;
3) little jaw measurement frame is positioned on track, the positioning cone insertion of the mandrel bottom of screw adapter is held In the service sleeve hole of rail platform, meanwhile, three positioning supporting screws on little jaw measurement frame are supported on support rail table top to be protected Hold Full connected;
4) rotating cam makes the first labelling near prism bar side, up to the slope of a pair of fixed contact abutting tracks, Then prismosphere is placed on prism bar and starts measurement.
Further, in accurate adjustment operation, frame is measured by 2 little jaws of left and right placement, while detecting left and right two The range error of individual track.
The invention has the beneficial effects as follows:The geometry state of the abundant analog orbit plate of little jaw frame of the present invention, solves The orientation problem in mileage direction, screw adapter make positioning relatively reliable, can compensate size (shape) error of nail simultaneously The installation caused with site error is interfered, it is ensured that the center of prismosphere is on the transverse center face of sleeper;The present invention has three On support rail table top, design, processing and three contacts of accuracy guarantee assembled are in same plane to individual contact support, while Ensure that trueness error of the frame on elevation direction;Little jaw accurate adjustment frame be beyond vice jaw surface as horizontal basis of reference, With the support rail face of little jaw as elevation basis of reference, simulate rail placement and restrained condition completely to calculate the adjustment of track plates Amount, that is, consider impact of the rail cant incorrectness to elevation and the amount of laterally adjusting, it is also considered that mouth of tongs away from incorrectness Impact to the amount of laterally adjusting;Vulnerable part in the little jaw frame of the present invention is set on the premise of structure overall precision is ensured There is abrasion or can change spare part at any time when damaging, saved the cost and time safeguarded, improve with full interchangeability in meter Work efficiency.
Description of the drawings
Fig. 1 is the axonometric chart of the present invention;
Fig. 2 is the top view of the present invention;
Fig. 3 is the A-A sectional views of Fig. 2;
Fig. 4 is the B-B sectional views of Fig. 2;
Fig. 5 is the top view of the cam of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As Figure 1-Figure 5, the present invention includes T-shaped frame 3, and 3 big end both sides of T-shaped frame are provided with clip slot, and a pair of fixations are touched 1 is limited in the clip slot of both sides respectively by a pair of pressing plates 2 and the first fixing screws 29, the adjustment fixed contact 1 of adjusting screw 30 Overhang reaching calibration position;Prism table 4 is fixed on the corresponding aperture in the middle part of the small end of T-shaped frame 3 by the second fixing screws 21 In position, in the insertion prism table 4 of prism bar 5, and fixation is tightened by turnbuckle 7 in lower end.
Screw adapter is arranged in the waist type groove hole of the little side of T-shaped frame 3.Screw adapter includes mandrel 12, stage clip 13rd, shell 11 and bolt 19.Hollow in shell 11 is internally provided with stage clip 13 and mandrel 12, and 12 bottom of mandrel is positioning cone 6, stage clip 13 is enclosed within mandrel 12, the upper end of 19 fixed central spindle 12 of bolt.The effect of screw adapter is the measurement for making the present invention Lateral attitude positioning of the frame on sleeper surface.
Screw adapter, bushing 10 and cam 9 constitute link gear, the shell 11 of the endoporus and screw adapter of bushing 10 Outer cylinder coordinate, the endoporus of cam 9 is nested with cooperations of the outer cylinder of bushing 10, and the outer cylinder of bushing 10 is the offer rotation of cam 9 The whole circumference mating surface of modulation, the effect of cam 9 are to make a pair of T-shaped frame 3 to consolidate in rotary course using the offset of cam 9 Determine contact 1 to be pushed against on support rail face, make entirely to measure frame position stably accurate;Nut shim 22 compresses bushing 10, makes bushing 10 lower surface pushes against the step surface of the shell 11 of screw adapter, such bushing 10 can limit screw adapter shaft to position Put, it is ensured that link gear slides in the waist type groove hole of T-shaped frame 3;Retainer ring 14 is enclosed within the outer cylinder of cam 9, and is arranged on On lid 15, lid 15 is arranged on T-shaped frame 3 by screw 16, and the step at the screw hole location of lid 15 limits cam 9 Axially-movable, retainer ring 14 can prevent dust from entering inner chamber affects Adjustment effect.Link gear in lid 15, retainer ring 14 about Mobile adjustment in the waist type groove hole of the T-shaped frame 3 of beam, can compensate simultaneously road nail on support rail table top size (shape) error and Site error.
The center of circle O1 sides of the bias on cam 9 are provided with the first labelling 20, the not eccentric center of circle O sides on cam 9 The second labelling 18 is provided with, as shown in figure 5, when cam 9 is during rotating around center of circle O, the first labelling 20 of eccentric side Outside cylinder is farther with a distance from the O of the center of circle, and the outside cylinder of 18 side of the second labelling is closer to the distance from center of circle O, the difference of two distances Value makes cam 9 different from the exposure level of T-shaped frame 3 in rotary course, thus produces and is fixed effect.
Supporting screw 8 is fixed in 3 corresponding mating holes of T-shaped frame by nut collar 24, and supporting screw 8 arranges three, point It is not symmetrical arranged in the axis of T-shaped frame 3 and big end both sides, three contacts of three 8 lower ends of supporting screw constitute an isosceles Triangle, as shown in Figure 2.Processing and assembling ensure that the bottom surface of three supporting screws 8 is in same plane, are supported on jointly support rail On table top.
During use, prism bar 5 is arranged on T-shaped frame 3, and is fixed tightly with turnbuckle 7, rotation cam 9 is made on cam 9 The second labelling 18 near 5 side of prism bar, then promote direction sliding of the whole link gear to prism bar 5, until can not slide It is dynamic.Then, measurement frame is positioned on track, the insertion track of positioning cone 6 of 12 bottom of mandrel of screw adapter Service sleeve hole in, while the three positioning supporting screws 8 measured on frame are supported on support rail table top and keep Full connected.Rotation Rotating cam 9 makes the first labelling 20 near 5 side of prism bar, up to the slope of a pair of abutting tracks of fixed contact 1, then by ball Prism 17 is placed on prism bar 5 and starts measurement.
The little jaw measurement frame of the invention it can in addition contain pass through left and right placement 2, can be examined in accurate adjustment operation simultaneously Measure the range error (mouth of tongs away from) of two tracks in left and right, the buying of laying, fastener to follow-up rail and changing is provided Guiding suggestion.

Claims (9)

1. the little jaw of track plates measures frame, it is characterised in that:Including T-shaped frame (3), T-shaped frame (3) end both sides greatly are provided with one To fixed contact (1), prism table (4) is fixed in the corresponding hole position in the middle part of the small end of T-shaped frame (3), and screw adapter is arranged on T In the slotted eye of the little side of type frame (3), the outer cylinder of the shell (11) of the endoporus and screw adapter of bushing (10) coordinates, cam (9) endoporus is nested with the cooperation of the outer cylinder of bushing (10), is made in rotary course using the offset of cam (9) the pair of Fixed contact (1) is pushed against on support rail face, and the screw adapter, bushing (10) and cam (9) constitute link gear, also include Retainer ring (14) and lid (15), the retainer ring (14) are enclosed within the outer cylinder of cam (9), and are arranged on lid (15), By screw (16) on T-shaped frame (3), the step at the screw hole location of the lid (15) limits cam to lid (15) (9) axially-movable.
2. the little jaw of track plates as claimed in claim 1 measures frame, it is characterised in that:Also include three supporting screws (8), It is symmetrical arranged in the axis of T-shaped frame (3) and big end both sides respectively, three contacts of three supporting screw (8) lower ends constitute one Individual isosceles triangle, is supported on support rail table top jointly.
3. the little jaw of track plates as claimed in claim 1 or 2 measures frame, it is characterised in that:The screw adapter includes Mandrel (12), stage clip (13), shell (11) and bolt (19), hollow in shell (11) are internally provided with stage clip (13) and mandrel (12), mandrel (12) bottom is positioning cone (6), and stage clip (13) is enclosed within mandrel (12), bolt (19) fixed central spindle (12) Upper end.
4. the little jaw of track plates as claimed in claim 1 or 2 measures frame, it is characterised in that:Held in the T-shaped frame (3) greatly Both sides are provided with clip slot, and the pair of fixed contact (1) is limited in two respectively by a pair of pressing plates (2) and the first fixing screws (29) In the clip slot of side, adjusting screw (30) adjusts the overhang of a pair of fixed contacts (1) to reach calibration position.
5. the little jaw of track plates as claimed in claim 1 or 2 measures frame, it is characterised in that:Also include nut shim (22), The nut shim (22) compresses bushing (10), makes the lower surface of bushing (10) push against the step surface of shell (11), bushing (10) Limit screw adapter shaft to position, it is ensured that link gear T-shaped frame (3) slotted eye in slide.
6. the little jaw of track plates as claimed in claim 1 or 2 measures frame, it is characterised in that:The prism table (4) is by second Fixing screws (21) are fixed in the corresponding hole position in the middle part of the small end of T-shaped frame (3), and are tightened by turnbuckle (7) in lower end solid It is fixed, in prism bar (5) insertion prism table (4).
7. the little jaw of track plates as claimed in claim 1 or 2 measures frame, it is characterised in that:It is inclined on the cam (9) The center of circle O of the heart1Side is provided with the first labelling (20), and the not eccentric center of circle O sides on the cam (9) are provided with the second labelling (18)。
8. the little jaw of track plates measures the measuring method of frame, it is characterised in that:The method is comprised the following steps:
1) it is by prism bar (5) on T-shaped frame (3) and fixed tight with turnbuckle (7);
2) rotating cam (9) makes the second labelling (18) on cam (9) near prism bar (5) side, then promotes whole gear Direction sliding of the structure to prism bar (5), until can not slide;
3) little jaw measurement frame is positioned on track, the positioning cone (6) of mandrel (12) bottom of screw adapter is inserted Enter in the service sleeve hole of track, meanwhile, three positioning supporting screw (8) on little jaw measurement frame are supported on track Full connected is kept on face;
4) rotating cam (9) makes the first labelling (20) near prism bar (5) side, until a pair of fixed contacts (1) push against track Slope, then prismosphere (17) is placed on prism bar (5) start measurement.
9. the little jaw of track plates as claimed in claim 8 measures the measuring method of frame, it is characterised in that:In accurate adjustment operation In, frame is measured by 2 little jaws of left and right placement, while detecting the range error of two tracks in left and right.
CN201410674873.0A 2014-11-21 2014-11-21 The little jaw measurement frame of track plates and its measuring method Active CN104390634B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN104390634B true CN104390634B (en) 2017-04-05

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106247899B (en) * 2016-08-31 2018-12-14 中车长春轨道客车股份有限公司 The device for fast detecting and its application method of leaf spring knee level alternate position spike
CN109208413A (en) * 2018-08-21 2019-01-15 成都灵创轨道交通技术有限公司 III type track slab precision adjustment frame of high-speed railway CRTS

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DE4311946A1 (en) * 1993-04-10 1994-10-13 Volker Dr Dipl Ing Meywald Device for combining several measuring tape starts
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CN102733270A (en) * 2011-04-06 2012-10-17 上海埃测软件有限公司 Accurate adjusting frame of high-speed railway ballastless track plate
CN202925405U (en) * 2012-10-14 2013-05-08 四川澄观电子技术有限公司 Portable handheld railway track detection trolley
CN203188072U (en) * 2013-01-30 2013-09-11 长沙铁信交通科技有限公司 Measuring device for precisely measuring track three-dimensional coordinates
CN103343498A (en) * 2013-07-24 2013-10-09 武汉大学 Track irregularity detecting system and method based on INS/GNSS
CN203923823U (en) * 2014-06-06 2014-11-05 广州南方测绘仪器有限公司 Simple and easy track geometric parameter measurement instrument
CN204214447U (en) * 2014-11-21 2015-03-18 成都普罗米新科技股份有限公司 The little jaw of track plates measures frame

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Publication number Priority date Publication date Assignee Title
FR2657096A1 (en) * 1990-01-17 1991-07-19 Sud Ouest Travaux Method and apparatus for accurate adjustment of a railway track placed on a concrete platform
DE4311946A1 (en) * 1993-04-10 1994-10-13 Volker Dr Dipl Ing Meywald Device for combining several measuring tape starts
CN200971459Y (en) * 2006-09-25 2007-11-07 成都四方瑞邦测控科技有限责任公司 Rail checking instrument
CN101463581A (en) * 2009-01-15 2009-06-24 成都普罗米新科技有限责任公司 Method and apparatus for accurately measuring track plate spatial attitude
CN201843030U (en) * 2010-11-02 2011-05-25 中铁工程设计咨询集团有限公司 Geometrical state measurer for tracks of passenger dedicated railway lines
CN102168397A (en) * 2011-03-22 2011-08-31 成都普罗米新科技有限责任公司 Self-centering hole adapter
CN102733270A (en) * 2011-04-06 2012-10-17 上海埃测软件有限公司 Accurate adjusting frame of high-speed railway ballastless track plate
CN202298389U (en) * 2011-09-08 2012-07-04 北京星河模板脚手架工程有限公司 Steel-rail track panel horizontal position regulating device for twin-block ballastless track
CN202925405U (en) * 2012-10-14 2013-05-08 四川澄观电子技术有限公司 Portable handheld railway track detection trolley
CN203188072U (en) * 2013-01-30 2013-09-11 长沙铁信交通科技有限公司 Measuring device for precisely measuring track three-dimensional coordinates
CN103343498A (en) * 2013-07-24 2013-10-09 武汉大学 Track irregularity detecting system and method based on INS/GNSS
CN203923823U (en) * 2014-06-06 2014-11-05 广州南方测绘仪器有限公司 Simple and easy track geometric parameter measurement instrument
CN204214447U (en) * 2014-11-21 2015-03-18 成都普罗米新科技股份有限公司 The little jaw of track plates measures frame

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