CN2137780Y - Optical measuring instrument for suspension parameter of contacted wire - Google Patents
Optical measuring instrument for suspension parameter of contacted wire Download PDFInfo
- Publication number
- CN2137780Y CN2137780Y CN 92220844 CN92220844U CN2137780Y CN 2137780 Y CN2137780 Y CN 2137780Y CN 92220844 CN92220844 CN 92220844 CN 92220844 U CN92220844 U CN 92220844U CN 2137780 Y CN2137780 Y CN 2137780Y
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- China
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- catoptron
- height
- contact wire
- chi
- graticule
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- Expired - Fee Related
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- Length Measuring Devices By Optical Means (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses an optical measuring instrument for suspension parameter of contact wire used to measure the height and the excentric value of the contact wire of an electrified railway and also the height and the plumbed point to ground of other wires, and the utility model can measure the track gauge and height difference of the right and left rails of the railway line. The instrument adopts the triangulation principle and the optical measurement method and comprises two parts: a diopter and a carriage scale, wherein, the diopter is composed of an eye lens, an object lens, a reticle, a penetration reflector, a reflector, a, 90 DEG reflector, an a reflector, a height vernier gauge, a height difference indicator, etc. The carriage scale is composed of a scale body, a measuring scale of the excentric value, a left and a right supporting bases, a left and a right blocks, a track gauge correction mechanism, etc. The instrument has the advantage of safe, accurate and quick measurement.
Description
The utility model relates to a kind of optical distance measurement apparatus, is applicable to the measurement of electric railway contact wire suspension parameter.
Measurement to contact wire locus (highly, from intermediate value), in utilization and operation automatically the contact net inspection trolley, each railway power supply foreman's section, the measuring staff method is generally all adopted in the work area at present, and this method error is big, has wind weather to be difficult for measuring, and because measuring staff is directly to hang in the 25KV contact wire to measure, exist the electric leakage possibility, personal safety is constituted a threat to, cloud, wet weather are being arranged more very.
The purpose of this utility model is the shortcoming that overcomes prior art, and a kind of contactless contact wire suspension parameter optical measuring instrument is provided.
The technical solution of the utility model is achieved in that a kind of electric railway contact wire suspension parameter optical measuring instrument is made up of sight alidade and balladeur train chi two parts, and its special character is that sight alidade is made up of object lens, graticule, eyepiece, 90 ° of catoptrons, α catoptron, catoptron, saturating catoptron and height vernier callipers etc.90 ° of mirrors, catoptron and saturating catoptron, object lens, graticule, eyepieces constitute a left side and sight light path, and the α mirror constitutes the right side with saturating catoptron, object lens, graticule, eyepiece and sights light path.Sight alidade can horizontally slip on the balladeur train chi, thereby can sight light path to contact wire by a left side becomes resembling on graticule to move to by the position of graticule centerline bisects, in the case, according to the mutual alignment of sight alidade and balladeur train chi, can determine contact wire from intermediate value.The α catoptron is fixed on the height vernier calliper vernier by bearing, the α mirror is removed button and also is connected with the height vernier calliper vernier, and stretch out outside the sight alidade housing, move the α mirror with hand and remove button, can drive the height vernier calliper vernier and the α catoptron moves along the height vernier calliper blade, become resembling and sighting light path by a left side and become the coincidence that resembles on graticule on the graticule, in the case thereby can make contact wire sight light path by the right side, according to the reading of height vernier calliper, can determine the height of contact wire.The reflection angle of 90 ° of mirrors is 90 °, the reflection angle of α catoptron is α=84 ° 17 ' 22 "; its tangent value tg α=10; this makes the triangle that is made of contact wire, 90 ° of catoptrons, α catoptrons is the right-angle triangle that the ratio at high and the end equals 10, helps manufacturing, adjustment and the use of instrument.90 ° of catoptrons and α catoptron all adopt pentagonal prism, utilize it to go into the constant characteristic of reflection ray angle, reduce the instrument light path and adjust workload.The balladeur train chi is made of blade, left and right sides bearing, right support abutment has two legs and two fixed stops, left support abutment has a leg and an active block stop, so that the balladeur train chi has supported at three point when placing on the rail, keep balladeur train chi and whole instrument stably to be placed on the two rails of the left and right sides, topple over difficult front and back.Left and right sides bearing is manufactured by insulating material, left and right sides two rails can not produced by the balladeur train chi be electrically connected, thereby do not change the track-circuit signalling transmission path, does not influence the correct indication of train signal.Be connected with active block stop in addition on the left support abutment from intermediate value gauge correction indicating mechanism, it comprises from intermediate value gauge correction chi, pointer and removes button etc., when balladeur train chi and rail level vertically place on the two rails of the left and right sides, make two fixed stop lateral surfaces and right rail medial surface closely connected earlier, move the active block stop move left and right with removing button, make active block stop lateral surface and left rail medial surface closely connected, pointer is also corresponding to be moved, thereby can be according to the gauge modified value that obtains from intermediate value gauge correction chi indicating value from intermediate value.The sight alidade top is provided with discrepancy in elevation indicator, with the discrepancy in elevation of indication two rails end face, it can be the air level of directly indicating the discrepancy in elevation with groove, also can be the air level levelling gear with the scale indication discrepancy in elevation, according to the two rails end face discrepancy in elevation, can obtain the uneven modified value of two rails from intermediate value.
The utility model compared with prior art, have safety, accurately, advantage such as practicality, realized to the contact wire height with from the non-cpntact measurement of intermediate value.
Now describe the utility model most preferred embodiment in conjunction with the accompanying drawings in detail.
Fig. 1 is a contact wire suspension parameter optical measuring instrument structural representation
Fig. 2 is the imaging figure of contact wire at graticule
(a) figure is that a left side resembles L
(b) figure is that a left side resembles L and the right side resembles R
(c) figure is that a left side resembles L and the right side and resembles R and partially overlap
(d) figure is that a left side resembles L and resembles R with the right side and overlap fully
Fig. 3 is the sight alidade structural representation
Fig. 4 is the vertical view of sight alidade
Fig. 5 is that left leg Fig. 5-b is right leg for balladeur train chi front view Fig. 5-a
Fig. 6 is a balladeur train chi vertical view
Fig. 7 is 90 ° of catoptrons, δ
1=90 ° ± 1 ', δ
2=δ
3=112.5 ° ± 5 ', δ
4=45 ° ± 1 '
Fig. 8 is the α catoptron, α
1=α
3108 ° ± 6 ', α
2=95 ° ± 1 ', α
4=47 ° ± 1 '
Among the figure: 1, eyepiece, 2, graticule, 3, object lens, 4, saturating catoptron, 5, catoptron, 6,90 ° of catoptrons, 7, the α catoptron, 8, sight alidade, 9, telescope, 10, the balladeur train chi, 10a, balladeur train chi blade, 11, discrepancy in elevation indicator (air level), 12-a, left support abutment, 12-b, right support abutment, 13, active block stop, 14, fixed stop, 15-a, left side rail, 15-b, right rail, 16, contact wire, 17, α mirror cover plate, 18, the α mirror is removed button, 19, from intermediate value gauge correction chi, 20, remove button, 21,22,23,24, bearing, 25, the height vernier calliper vernier, 26 vernier scale blades, 27.28 height vernier calliper bearings, 29, carve chi from intermediate value, 30, drawing strickle guide, 31, pointer, 32a, left side leg, 32b, right leg.
A kind of electric railway contact wire suspension parameter optical measuring instrument is shown in Fig. 1～6, it is made up of sight alidade (8) and balladeur train chi (10) two parts, and sight alidade (8) is made up of object lens (3), graticule (2), eyepiece (1), 90 ° of catoptrons (6), α catoptron (7), catoptron (5), saturating catoptron (4) and height vernier calliper (25,26) etc.90 ° of mirrors (6), catoptron (5) constitute a left side with saturating catoptron (4), object lens (3), graticule (2), eyepiece (1) and sight light path, and α mirror (7) constitutes the right side with saturating catoptron (4), object lens (3), graticule (2), eyepiece (1) and sights light path.Sight alidade (8) can horizontally slip on balladeur train chi (10), thereby can sight light path to contact wire (16) by a left side becomes resembling on graticule (2) to move to by the position of graticule (2) centerline bisects, in the case, according to the mutual alignment of sight alidade (8) and balladeur train chi (10), can determine contact wire (16) from intermediate value.α catoptron (7) is fixed on the height vernier calliper vernier (25) by bearing (24), the α mirror is removed button (8) and also is connected with height vernier calliper vernier (25), and stretch out outside sight alidade (8) housing, move the α mirror with hand and remove button (18), can drive height vernier calliper vernier (25) and α catoptron (7) moves along height vernier calliper blade (26), thereby can make contact wire (16) sight light path by the right side becomes resembling and sighting light path by a left side and become the coincidence that resembles on graticule (2) on the graticule (2), in the case, according to height vernier calliper (26,25) reading can be determined the height of contact wire (16).The reflection angle of 90 ° of mirrors (6) is 90 °, the reflection angle of α catoptron (7) is α=84 ° 17 ' 22 "; its tangent value tg α=10; this makes the triangle that is made of contact wire (16), 90 ° of catoptrons (6), α catoptron (7) for the right-angle triangle that the ratio at high and the end equals 10, helps manufacturing, adjustment and the use of instrument.90 ° of catoptrons (6) and α catoptron (7) all adopt pentagonal prism, utilize it to go into the constant characteristic of reflection ray angle, reduce the instrument light path and adjust workload.Balladeur train chi (10) is made of blade (10a), left and right sides bearing (12a, b), right support abutment (12b) has two legs (32b) and two fixed stops (14), left support abutment (12a) has a leg (32a) and an active block stop (13), so that balladeur train chi (10) has supported at three point when placing rail (15a, b) to go up, to keep balladeur train chi (10) and whole instrument stably to be placed on the left and right sides two rails (15a, b), topple over difficult front and back.Left and right sides bearing (12a, b) is manufactured by insulating material, left and right sides two rails (15a, b) can not produced by balladeur train chi (10) be electrically connected, thereby do not change the track-circuit signalling transmission path, does not influence the correct indication of train signal.Left support abutment (12a) go up be connected with active block stop (13) in addition from intermediate value gauge correction indicating mechanism, it comprises from intermediate value gauge correction chi (19), pointer (31) and remove button (20) etc., when balladeur train chi (10) and rail place left and right sides two rails (15a to vertically, when b) going up, make two fixed stops (14) lateral surface and right rail (15b) medial surface closely connected earlier, move active block stop (13) move left and right with removing button (20), make active block stop (13) lateral surface and left rail (15a) medial surface closely connected, pointer (31) is also corresponding to be moved, thereby can be according to the gauge modified value that obtains from intermediate value gauge correction chi (19) indicating value from intermediate value.The sight alidade top is provided with discrepancy in elevation indicator (11), the discrepancy in elevation with indication two rails (15a, b) end face, it can be the air level (11) of directly indicating the discrepancy in elevation with groove, it also can be air level levelling gear with the scale indication discrepancy in elevation, according to two rails (15a, b) the end face discrepancy in elevation, can obtain the uneven modified value of two rails from intermediate value.
Contact wire suspension parameter optical measuring instrument adopts optics to close and resembles principle of triangulation:
As shown in Figure 1, this measuring instrument can make contact wire (16) respectively by about sight light path and go up imaging L, R at graticule (2) at last.After the position, the left and right sides of priority carefully mobile sight alidade (8) and α catoptron (7), L and R are vertically divided equally, the two coincidence (Fig. 2 a-d) by the graticule center line.At this moment, △ ABC is a right-angle triangle.
1, from intermediate value
∵ △ ABC is a right-angle triangle, again BC ∥ KL
∴AB⊥BC，AF⊥KL
Therefore, F is the intersection point of contact wire (16) to the vertical line of two rails (15a, b) end face line, B be on the vertical line a bit, the value that B and F depart from central lines of track in the horizontal direction equal contact wire from intermediate value, its value can carving chi (29) from intermediate value and reading from balladeur train chi (10).
From the correction of intermediate value gauge: during the slacking of gauge, quite wire center O ' moves to left in Fig. 1, therefore should reduce from the intermediate value reading, otherwise strengthen.The every variation of gauge 2mm revises 1mm.Modified value can be directly from reading from intermediate value gauge correction chi (19) indicating value;
Revise from intermediate value two rails injustice: in linear section, the measurement result with two rail desirable level conditions is not different at ordinary times for two rails, and every approximately 1mm two rail injustice cause 4mm from the intermediate value difference.The discrepancy in elevation air level indicator (11) that this measuring instrument is installed can show the uneven situation of two rails roughly, and bubble moves lattice in the bubble, and the expression 2mm two rail discrepancy in elevation are from intermediate value reading correction 8mm.Revised from intermediate value be lead to the ideal line circuit from intermediate value.
Segment of curve needn't carry out this correction.
2, highly
∵ △ ABC is a right-angle triangle
∴AB＝BC×tg（∠ACB）
∠ ACB is the reflection angle of α catoptron (7), and its exact value is 84 ° 17 ' 22 ", tg(84 ° of 17 ' 22 ")=10
∴AB＝10×BC
The length of BC can be read from sight alidade (8) inner height vernier scale (25.26), so AB can get.
Contact wire (16) is height H to the distance of two rail level lines, and H=AB+BF, BF are constant, so H can obtain, also adjustable height vernier scale zero point, directly reads the H value.
The using method of contact wire suspension parameter optical measuring instrument is as follows:
1, from median measuring (referring to Fig. 1, Fig. 2)
At first balladeur train chi (10) is mounted on rail (15), and make it vertical with central lines of track (visual).Again sight alidade (8) is placed on the balladeur train chi (10), and the α mirror cover plate (17) of α mirror (7) top is closed.Observe resembling of contact wire (16) from eyepiece (1).Resemble that pancratic eyepiece (1) makes it the most clear when fuzzy.Should as if light of contact wire (16) sight resembling that light path becomes through a left side, this resembles and is called a left side and resembles, and represents with L.Move left and right sight alidade (8), make L vertically divided equally by graticule (2) center line (Fig. 2 a), at this moment can be in balladeur train chi blade (10a) groove from intermediate value carve chi (29) read contact wire (16) from intermediate value.
2, from the intermediate value correction
A, gauge correction: press the reading correction of gauge correction chi (19), correction is the 1mm/ lattice, symbol is that a left side is negative, the right side just.
B, two rails are uneven to be revised: when on the straight line circuit, measuring, if must be adapted under ideal line circuit (two rails the keep level) condition when intermediate value, can be according to air level (11) indicating value correction, correction is the 8mm/ lattice, symbol be the negative right side, a left side just.
3, highly measure (referring to Fig. 1, Fig. 2)
Keep a left side to resemble the invariant position of L on graticule (2).Open α mirror cover plate (17) and can see that contact wire (16) light sights resembling that light path becomes by the right side, this resembles and is called the right side and resembles, and represents (Fig. 2-b) with R.Move left and right α catoptron (7) makes R overlap (Fig. 2 c, d) fully with L.At this moment, can read height value from sight alidade inner height vernier scale (25.26), this value need not revised.
The key technical indexes
1, highly measure:
Measurement range: 4800～6500mm
Accuracy of measurement: ± 10mm
Scale division value: 1mm
2, from median measuring:
Measurement range: ± 600mm
Accuracy of measurement: ± 10mm
Scale division value: 1mm
3, insulating property:
Insulation resistance should be greater than 50M Ω (500V megohm meter) between balladeur train chi two legs.
Claims (5)
1, a kind of contact wire suspension parameter optical measuring instrument, be used to measure electric railway contact wire height and from intermediate value, form by sight alidade and balladeur train chi two parts, it is characterized in that sight alidade is by object lens, graticule, eyepiece, 90 ° of catoptrons, the α catoptron, catoptron, compositions such as saturating catoptron and height vernier calliper, 90 ° of mirrors, catoptron and saturating catoptron, object lens, graticule, eyepiece constitutes a left side and sights light path, α mirror and saturating catoptron, object lens, graticule, eyepiece constitutes the right side and sights light path, sight alidade can horizontally slip on the balladeur train chi, contact wire is sighted light path by a left side becomes resembling on graticule to move to by the position of graticule centerline bisects, mutual alignment according to sight alidade and balladeur train chi, determine contact wire from intermediate value, the α catoptron is fixed on the height vernier calliper vernier by bearing, the α catoptron is removed button and is installed on the height vernier calliper vernier and stretches out outside the sight alidade housing, move the α catoptron and remove button, driving height vernier calliper vernier and α catoptron moves along the height vernier calliper blade, making contact wire sight light path by the right side becomes resembling and sighting light path by a left side and become the coincidence that resembles on graticule on the graticule, according to the reading of height vernier calliper, determine the height value of contact wire; The balladeur train chi is that the bearing of sight alidade is made up of blade, bearing, block etc., and right support abutment has two legs and two fixed stops, and left support abutment has a leg and an active block stop, and three legs of balladeur train chi are supported on the two rails of the left and right sides.
2, optical measuring instrument according to claim 1, the reflection angle that it is characterized in that 90 ° of catoptrons in the sight alidade is 90 °, the reflection angle of α catoptron is α=84 ° 17 ' 22 ", its tangent value tg α=10,90 ° catoptron and α catoptron all adopt pentagonal prism.
3, optical measuring instrument according to claim 1 is characterized in that the sight alidade top is equipped with two rail discrepancy in elevation indicators, and its adopts the air level of groove indication discrepancy in elevation or the air level levelling gear of the scale indication discrepancy in elevation.
4, optical measuring instrument according to claim 1, it is characterized in that being equipped with on the left support abutment of balladeur train chi be connected with active block stop from intermediate value gauge correction indicating mechanism, it comprises from intermediate value gauge correction chi, pointer and remove button etc., remove button and pointer, active block stop interlock, pointer indicates the gauge modified value from intermediate value sliding on intermediate value gauge correction chi.
5, optical measuring instrument according to claim 1 is characterized in that the left and right sides bearing of balladeur train chi adopts insulating material to manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92220844 CN2137780Y (en) | 1992-09-26 | 1992-09-26 | Optical measuring instrument for suspension parameter of contacted wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92220844 CN2137780Y (en) | 1992-09-26 | 1992-09-26 | Optical measuring instrument for suspension parameter of contacted wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2137780Y true CN2137780Y (en) | 1993-07-07 |
Family
ID=33767790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92220844 Expired - Fee Related CN2137780Y (en) | 1992-09-26 | 1992-09-26 | Optical measuring instrument for suspension parameter of contacted wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2137780Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622934A (en) * | 2012-03-28 | 2012-08-01 | 吉林大学 | Optical bench with vernier |
| CN104019126A (en) * | 2014-06-17 | 2014-09-03 | 江南大学 | Guide track and sliding base |
| CN110849282A (en) * | 2019-11-29 | 2020-02-28 | 中车青岛四方车辆研究所有限公司 | Measuring equipment and method |
-
1992
- 1992-09-26 CN CN 92220844 patent/CN2137780Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622934A (en) * | 2012-03-28 | 2012-08-01 | 吉林大学 | Optical bench with vernier |
| CN104019126A (en) * | 2014-06-17 | 2014-09-03 | 江南大学 | Guide track and sliding base |
| CN110849282A (en) * | 2019-11-29 | 2020-02-28 | 中车青岛四方车辆研究所有限公司 | Measuring equipment and method |
| CN110849282B (en) * | 2019-11-29 | 2021-04-20 | 中车青岛四方车辆研究所有限公司 | Measuring equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |