CN2921786Y - Wheel type displacement transducer - Google Patents
Wheel type displacement transducer Download PDFInfo
- Publication number
- CN2921786Y CN2921786Y CN 200620105411 CN200620105411U CN2921786Y CN 2921786 Y CN2921786 Y CN 2921786Y CN 200620105411 CN200620105411 CN 200620105411 CN 200620105411 U CN200620105411 U CN 200620105411U CN 2921786 Y CN2921786 Y CN 2921786Y
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- CN
- China
- Prior art keywords
- potentiometer
- spring
- displacement transducer
- gear wheel
- wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- A Measuring Device Byusing Mechanical Method (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A wheel type displacement transducer relates to a detection facility for mechanical measuring of line displacement quantity in railway maintenance, wherein, a drive mechanism consists of a rope wheel, a rope wheel axle, a wire rope, a pinion and a bull wheel; a backlash elimination mechanism comprises a potentiometer seat, a nut, a connecting axis, a bearing, a nylon bull wheel, a nylon pinion, a furl spring and a cover board; a wind-spring spring withdrawing mechanism comprises a wind-spring spring and an adjustment head; a potentiometer component includes a potentiometer, a cable fastening belt and a cable connecting appliance inlet etc. The utility model is characterized in that: the wire rope is connected with an object waiting for measure and produces corresponding displacement quantity when displacement of the object occurs, and then makes the bull wheel joggled with the wire rope drive the slip contact of the potentiometer also connected with the wire rope to generate deflexion and output corresponding potential difference by the drive mechanism, thereby converting the displacement quantity into electric signal and outputting the electric signal so as to obtain detecting effects of ideal linear degree and high precision. In addition, the utility model has the advantages of firm structure, stable operating performance, being suitable for detection in vibrant rigorous environment and meeting use requirements of field construction operation.
Description
Technical field
The utility model relates to the checkout equipment in a kind of railway maintenance machinery, especially a kind of wheeled displacement transducer that is used for the measuring circuit displacement.
Background technology
What wheeled displacement transducer was mainly used in railway large-scale maintenance machinery at present has D08-32 type tamping car, D09-32 type tamping car, a CD08-475 type turnout tamping car etc.Series of products such as existing 750 types, 750ZS type, 1041HG type, 2061HG type, can be used for measuring tamping head depth of implements, make distance that dolly moves firm by ramming, rise and pull out the distance of duct device lifting or the displacement of rail-lifting equipment etc.Belong to field construction equipment because railway detects machinery, operating environment is abominable, exposes to the sun and rain, and stirs up a cloud of dust, and vibration and impact greatly requires that testing tool is firm in structure, sealing is reliable, high, the stable work in work of measuring accuracy.The principle of work of wheeled displacement transducer is identical apart from sensor with arrow, and its structure also is analogous to arrow apart from sensor, has comprised high precision potentiometer, precision drive mechanism, clearance eliminating mechanism etc.Because the wire rope of wheeled displacement transducer is free shape outside spiral case after connecting testee, be subjected to the testee displacement during detection and spur wire rope, measuring the end wire rope must be wound up on the rope sheave by the recovering mechanism recovery, therefore, a kind of wheeled displacement transducer with recovering mechanism is provided, and is to satisfy pressing for of open-air railway maintenance construction operation detection.
Summary of the invention
Technical problem to be solved in the utility model be exactly remedy the deficiencies in the prior art and provide a kind of can be applicable to rugged surroundings work firm in structure, sealing is reliable, the linearity is good, precision is high, stable work in work, can satisfy the wheeled displacement transducer that can reclaim wire rope automatically.
Technical matters of the present utility model is achieved through the following technical solutions: a kind of wheeled displacement transducer, spiral case that is tightly connected and housing, cover in the fixing spiral case by cover plate and to be provided with gear train, this mechanism comprises the sheave shaft by the bearing supporting, be connected and be wound with the wire rope that connects testee on the rope sheave on the sheave shaft, the elongated end of sheave shaft is provided with pinion wheel and is fixed on gear wheel on the coupling spindle with its engagement suit; In the chamber of base plate and potentiometer lid composition, be provided with clearance eliminating mechanism, these mechanism two outsides are provided with the receptacle of output electric signal, the top is provided with the potentiometer assembly, it is characterized in that being provided with the clockwork spring recovering mechanism in the described rope sheave inner cavity, clockwork spring one end of this mechanism is fixed on the rope sheave, the other end is fixed on the adjusting head of regulating clockwork spring, and it is fixing with cover plate adjusting back to regulate head.
Described clearance eliminating mechanism comprises the potentiometer seat that is fixed on the base plate by the sealing of potentiometer lid, be provided with in the potentiometer seat and its detachable nut that is connected, be provided with bearing between the coupling spindle top of suit gear train gear wheel and the nut, the nylon gear wheel is connected axial limiting on the potentiometer seat by the nut seam and is rotatable, be connected on the little axle of base plate with the nylon pinion wheel of this nylon gear wheel engagement, furling spring is located in the nylon gear wheel inner cavity, fixedly cover by cover plate, furl spring one end and coupling spindle and fix, the other end and nylon gear wheel are fixed.
Described potentiometer assembly is located at the top of clearance eliminating mechanism, on the set potential device seat, comprises that plug-in mounting is connected the potentiometer on the coupling spindle, and potentiometer is provided with by the fixing cable of cable tie, and the cable of three kinds of colors connects to receptacle.
Described spiral case is provided with jerk shoe.
Be provided with the double-deck cover of adjusting between described sheave shaft and the housing, this adjustment is set between the bearings at both ends.
Compared with prior art, the utility model is made up of high-precision potentiometer, accurate gear train, clearance eliminating mechanism and clockwork spring recovering mechanism, when testee produces displacement, the rope sheave that is connected with wire rope makes the potentiometer sliding contact produce deflection through gear train, and export corresponding potential difference (PD), convert displacement to electric signal output, but both Displacement Measurement amount sizes, but Displacement Measurement direction again; When the clockwork spring recovering mechanism makes measuring process wire rope retraction, can automatically it be wound up on the rope sheave.Have firm in structure, reliable, the characteristics such as the linearity is good, precision is high, stable work in work of sealing, be applicable to the occasion of the severe rugged environment condition of vibration, and can satisfy the request for utilization of railway large-scale maintenance machinery field construction operating environment.
Description of drawings
Fig. 1 is the utility model sectional structure synoptic diagram.
Fig. 2 is the A-A cut-open view of Fig. 1.
Fig. 3 is the clearance eliminating mechanism sectional structure enlarged drawing of Fig. 1.
Embodiment
Below according to accompanying drawing the embodiment of the utility model is remake and to specify.
Wheeled displacement transducer referring to Fig. 1～3, is installed in during work to measure on the dolly and is used with tamping car, and the measuring steel wire rope of sensor is connected on the testee, measures the displacement of testee.Mainly form by gear train, clearance eliminating mechanism, clockwork spring recovering mechanism and the high precision potentiometer assembly of precision.
Gear train is located in the spiral case 17 and housing 22 that connects one, both are embedded " O " RunddichtringO 21 on the sealing surface, the spiral case opening part is with cover plate 13,16 cover the back fixes, sheave shaft 11 by bearing 12 supportings, the wire rope 19 of reeling on the axle and connecting testee, the wire rope termination is by fixed leg 20, web member is fixed on the rope sheave 18, on spiral case, be provided with simultaneously jerk shoe 28, being beneficial to wire rope reels in order, and between sheave shaft and housing, be provided with the double-deck cover 10 of adjusting, this adjustment is set between the bearings at both ends 12, the elongated end of sheave shaft is provided with pinion wheel 9, be sleeved on coupling spindle 30 lower shaft with the gear wheel 23 of pinion, fixing with holding screw 24.Like this, when testee was subjected to displacement, the measuring steel wire rope also produced corresponding displacement, drove the high precision potentiometer by gear train and acted accordingly.The utility model is provided with the clockwork spring recovering mechanism in the rope sheave inner cavity, clockwork spring 14 1 ends of this mechanism are fixed on the rope sheave, and the other end is fixed in the adjusting 15 of regulating clockwork spring, and regulating head and cover plate 16, to regulate the back fixing.The clockwork spring recovering mechanism is the restoring force that utilizes clockwork spring, makes the measuring steel wire rope be in tensioning state all the time, and when the measuring steel wire rope bounces back, automatically it is wound up on the rope sheave.
Because the gear wheel 23 of gear train is installed on the coupling spindle 30 of potentiometer, when gear wheel when commutation is rotated, the gap can rotate, therefore in the chamber of base plate fastened to each other 8 and potentiometer lid 1 composition, be provided with the clearance eliminating mechanism (see figure 3), this mechanism comprises with 3 secondary pressing plates, screw 26 is fastenedly connected the potentiometer seat 4 on base plate 8, with the detachable nut that is connected 29 of potentiometer seat screw thread, be provided with the bearing 31 of making axial limiting by back-up ring 34 between the coupling spindle 30 of suit gear wheel 23 and the nut, nylon gear wheel 27 utilizes the fixing structure of nut to be connected on the potentiometer seat 4, it is axially limited but rotatable, be connected on the little axle of base plate with the nylon pinion wheel 7 of nylon gear wheel engagement, furl in the inner cavity that spring 33 is located at nylon gear wheel 27, fixedly cover by cover plate 32, furl spring one end and coupling spindle and fix, the other end and nylon gear wheel are fixed.Furling spring is clockwork spring, behind this spring of pretension, makes coupling spindle be subjected to a unidirectional peripheral force all the time, make gear wheel that one-directional rotation trend be arranged, and be close to all the time on the flank of tooth of the pinion wheel that is engaged with, thereby gear wheel is commutated when rotating, reach the effect of eliminating the gap.Two outsides of clearance eliminating mechanism are provided with the receptacle 25 of output electric signal, and the top is provided with the potentiometer assembly.
Described potentiometer assembly comprises potentiometer 2, potentiometer is connected the upper sleeve position of coupling spindle 30 with the axle plug-in mounting of its disjunctor, be fastenedly connected on potentiometer seat 4 by 3 secondary pressing plates, screw 6, potentiometer is provided with the three look cables of being fixed by cable tie 35, and this cable connects to receptacle 25.When testee was subjected to displacement, measuring steel wire rope 19 also produced corresponding displacement, made the sliding contact of the potentiometer 2 that links to each other with precision drive gear wheel 23 produce deflection, and exported corresponding potential difference (PD), also was about to displacement and converted electric signal output to.
Wheeled displacement transducer is by DC power supply, supply voltage ± 10V.When displacement is 0 when being the range mid point, be output as 0, when the positive and negative direction of testee moves, export corresponding positive and negative voltage signal, for control with show and use.Therefore, but this sensor is the size of Displacement Measurement amount both, but Displacement Measurement direction again, can be widely used in fields such as road engineering, mechanical measurement, construction work, mapping, military project, ships, satisfy the needs of measuring and controlling straight-line displacement amount, satisfy the request for utilization of open-air abominable construction operation environment.
Claims (5)
1, a kind of wheeled displacement transducer, spiral case that is tightly connected (17) and housing (22), cover in the fixing spiral case by cover plate (13,16) and to be provided with gear train, this mechanism comprises the sheave shaft (11) by bearing (12) supporting, be connected and be wound with the wire rope (19) that connects testee on the rope sheave (18) on the sheave shaft, the elongated end of sheave shaft is provided with pinion wheel (9) and is fixed on gear wheel (23) on the coupling spindle (30) with its engagement suit; In the chamber of base plate (8) and potentiometer lid (1) composition, be provided with clearance eliminating mechanism, these mechanism two outsides are provided with the receptacle (25) of output electric signal, the top is provided with the potentiometer assembly, it is characterized in that being provided with the clockwork spring recovering mechanism in described rope sheave (18) inner cavity, clockwork spring (14) one ends of this mechanism are fixed on the rope sheave (18), the other end is fixed on the adjusting head (15) of regulating clockwork spring, and it is fixing with cover plate (16) adjusting back to regulate head.
2, wheeled displacement transducer according to claim 1, it is characterized in that described clearance eliminating mechanism comprises that being fixed on base plate (8) goes up the potentiometer seat (4) that is sealed by potentiometer lid (1), be provided with in the potentiometer seat and its detachable nut that is connected (29), be provided with bearing (31) between coupling spindle (30) top of suit gear train gear wheel (23) and the nut, nylon gear wheel (27) is connected axial limiting on the potentiometer seat by the nut seam and is rotatable, be connected on the little axle of base plate (8) with the nylon pinion wheel (7) of this nylon gear wheel engagement, furling spring (33) is located in the nylon gear wheel inner cavity, fixedly cover by cover plate (32), furl spring one end and coupling spindle and fix, the other end and nylon gear wheel are fixed.
3, wheeled displacement transducer according to claim 1, it is characterized in that described potentiometer assembly is located at the top of clearance eliminating mechanism, on the set potential device seat (4), comprise that plug-in mounting is connected the potentiometer (2) on the coupling spindle (30), potentiometer is provided with by the fixing cable (5) of cable tie (3), and this cable connects to receptacle (25).
4, wheeled displacement transducer according to claim 1 is characterized in that described spiral case (17) is provided with jerk shoe (28).
5, according to each described wheeled displacement transducer of claim 1～4, it is characterized in that being provided with between described sheave shaft (11) and the housing (22) the double-deck cover (10) of adjusting, this adjustment is set between the bearings at both ends (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105411 CN2921786Y (en) | 2006-07-06 | 2006-07-06 | Wheel type displacement transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105411 CN2921786Y (en) | 2006-07-06 | 2006-07-06 | Wheel type displacement transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2921786Y true CN2921786Y (en) | 2007-07-11 |
Family
ID=38254266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620105411 Expired - Lifetime CN2921786Y (en) | 2006-07-06 | 2006-07-06 | Wheel type displacement transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2921786Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061891A (en) * | 2014-06-11 | 2014-09-24 | 重庆地质矿产研究院 | High-precision large-range displacement measuring device for ground surface |
| CN104807430A (en) * | 2015-04-16 | 2015-07-29 | 云南省交通规划设计研究院 | Constant-force spring type wide-range surface deformation extensimeter |
| CN107044864A (en) * | 2017-01-22 | 2017-08-15 | 北京德上科技有限公司 | High-precision sensor displacement adjusting device |
| CN107877488A (en) * | 2016-09-30 | 2018-04-06 | 深圳市越疆科技有限公司 | Eliminate the robot rotating base of backhaul deviation |
| CN109141171A (en) * | 2017-06-19 | 2019-01-04 | 宁波中车时代传感技术有限公司 | Displacement of the lines wheel sensor |
| CN109883334A (en) * | 2018-05-25 | 2019-06-14 | 长沙瀚鹏电子技术有限公司 | A kind of method of the road non-contact measurement railway Qi Ba tamping car tamping unit displacement |
| CN113165169A (en) * | 2019-05-09 | 2021-07-23 | 川崎重工业株式会社 | Substrate transfer robot and substrate transfer method |
-
2006
- 2006-07-06 CN CN 200620105411 patent/CN2921786Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061891A (en) * | 2014-06-11 | 2014-09-24 | 重庆地质矿产研究院 | High-precision large-range displacement measuring device for ground surface |
| CN104807430A (en) * | 2015-04-16 | 2015-07-29 | 云南省交通规划设计研究院 | Constant-force spring type wide-range surface deformation extensimeter |
| CN107877488A (en) * | 2016-09-30 | 2018-04-06 | 深圳市越疆科技有限公司 | Eliminate the robot rotating base of backhaul deviation |
| CN107044864A (en) * | 2017-01-22 | 2017-08-15 | 北京德上科技有限公司 | High-precision sensor displacement adjusting device |
| CN107044864B (en) * | 2017-01-22 | 2019-11-12 | 北京德上科技有限公司 | High-precision sensor displacement adjusting device |
| CN109141171A (en) * | 2017-06-19 | 2019-01-04 | 宁波中车时代传感技术有限公司 | Displacement of the lines wheel sensor |
| CN109883334A (en) * | 2018-05-25 | 2019-06-14 | 长沙瀚鹏电子技术有限公司 | A kind of method of the road non-contact measurement railway Qi Ba tamping car tamping unit displacement |
| CN113165169A (en) * | 2019-05-09 | 2021-07-23 | 川崎重工业株式会社 | Substrate transfer robot and substrate transfer method |
| CN113165169B (en) * | 2019-05-09 | 2024-07-09 | 川崎重工业株式会社 | Substrate transfer robot and substrate transfer method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070711 |
|
| EXPY | Termination of patent right or utility model |