CN201508222U - Portable wheel load scale for railway vehicles - Google Patents
Portable wheel load scale for railway vehicles Download PDFInfo
- Publication number
- CN201508222U CN201508222U CN2009202094116U CN200920209411U CN201508222U CN 201508222 U CN201508222 U CN 201508222U CN 2009202094116 U CN2009202094116 U CN 2009202094116U CN 200920209411 U CN200920209411 U CN 200920209411U CN 201508222 U CN201508222 U CN 201508222U
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- China
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- lifting beam
- weighing instrument
- wheel load
- wheel weighing
- load scale
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Abstract
The utility model relates to a portable wheel load scale for railway vehicles, which comprises a wheel load scale body and a controller. A hydraulic oil pump is arranged in the wheel load scale body; the controller is in control connection with the wheel load scale body; and a miniature motor is arranged on the wheel load scale body, and is in transmission connection with the hydraulic oil pump of the wheel load scale body. Compared with the prior art, the original manual hydraulic pump is replaced with the hydraulic pump driven by the hydraulic oil pump in the utility model, therefore, labor intensity of the operators is greatly reduced and working efficiency is improved; since the hydraulic pump is integrated with a hoisting rack, a long high-pressure rubber pipe is eliminated, the structure of the wheel load scale is greatly simplified, the total weight of the wheel load scale is reduced and transport is facilitated; and since measurement data are gathered, processed, stored and displayed by adopting digital technique, the measurement accuracy and working efficiency are improved, and meanwhile, the communication between the wheel load scale and computer is realized and modernization of management is facilitated.
Description
Technical field
The utility model relates to wheel weighing instrument, particularly relates to a kind of portable rail truck wheel weighing instrument.
Background technology
How to guarantee in the transportation by railroad that traffic safety is the important topic of people's common concern always.For this reason, pass through scientific research personnel's unremitting effort and exploration for many years, carried out multinomial subject study, obtained great achievement.Wherein, track scale is weigh the most effective means and the highest measurement instrument of accuracy of rolling stock, promotes the use of on rail track.But the track scale structure is huge, involves great expense, and is not suitable for One's name is legion, the different little brow of condition.And by track scale detect super, the unbalance loading vehicle need be heavily newly edited, move to neighbouring or retract former brow and readjust.This just brings a lot of troubles, influences rail transportation efficiency.Therefore, design is a kind of has the volume portable instrument of weighing little, in light weight, easy to operate, that be applicable to the entrucking scene and just seems very important.
The rail truck wheel load analyzer that domestic present production is used is made up of oil hand pump and hydraulic crane frame two large divisions, and is middle with the moulding pipe connection of growing tall.This split structural shape is wanted two people's operations at the scene at least, moves also very inconvenient.Particularly at the high platform brow, two people's whiles are difficult to operation in a narrow slit.The general assembly (TW) of this minute body structure wheel weighing instrument is bigger, and generally at more than 20 kilograms, what have reaches 30 kilograms.This wheel weighing instrument relies on manpower to press oil pump and lifts wheel, labour intensity height, inefficiency.More serious problem is, this wheel weighing instrument relies on the downforce of mechanical oil-pressure table measuring car wheel, and measuring accuracy is low, does not reach the requirement of railroad industry standard TB/T3129-2006.For example, TB/T3129-2006 requires the interior indicating value fiducial error of gamut scope should not surpass ± 0.9%, and the indicating value fiducial error of actual wheel weighing instrument after use a period of time is all greater than 1.6%.
Summary of the invention
Technical problem to be solved in the utility model is exactly to provide a kind of portable rail truck wheel weighing instrument for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions: portable rail truck wheel weighing instrument, comprise the wheel weighing instrument body, be provided with hydraulic oil pump in this wheel weighing instrument body, it is characterized in that, also comprise controller, described controller and wheel weighing instrument body control linkage, described wheel weighing instrument body is provided with a micromotor, and the hydraulic oil pump of this micromotor and wheel weighing instrument body is in transmission connection.
Described controller comprises housing, electronic circuit board, power supply, charging socket, display screen, key-press matrix and cable, described electronic circuit board, power supply all are located in the housing, described electronic circuit board is electrically connected with power supply and is connected with the wheel weighing instrument body by cable, and described charging socket, display screen and key-press matrix all are located on the housing and all are connected with electronic circuit board.
Described wheel weighing instrument body comprises left lifting beam, right lifting beam, oil pipe, length-adjustable drag link, reducer casing, clearance gauge and with the corresponding travel switch of clearance gauge, described left lifting beam, hydraulic oil pump, reducer casing is fixed by two thru-bolts that penetrate from left lifting beam left side from left to right successively, the front end of described right lifting beam by one longitudinally bearing pin be connected with reducer casing, described left lifting beam, be respectively equipped with a hydraulic jack in the front end of right lifting beam, two hydraulic jacks are connected with hydraulic oil pump by oil pipe, left side lifting beam, the front end upper surface of right lifting beam is respectively equipped with a sphere fulcrum, the two ends of described drag link respectively by one longitudinally bearing pin be connected with the middle part of left lifting beam and the middle part of right lifting beam, the two ends of this drag link are equipped with one grade of pawl, described clearance gauge is fixed on the drag link by a lock screw, be provided with a spring between this clearance gauge and the left lifting beam, described travel switch is located at the rear side of reducer casing, and is electrically connected with micromotor.
The middle part of described drag link is provided with the double end nut of a scalable drag link length.
Compared with prior art, the utility model greatly reduces operator's labour intensity, and has improved work efficiency because hydraulic hand-pump is changed into the hydraulic pump that micromotor drives; Because hydraulic pump and crane boom are made of one, removed the moulding pipe that grows tall, simplified the structure of wheel weighing instrument greatly, alleviated the general assembly (TW) of wheel weighing instrument, make carrying more convenient; Owing to adopt digital technology collection, processing, storage and demonstration determination data, improved mensuration precision and work efficiency, can realize and the communication of computing machine simultaneously, help management modernization.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein: 1-controller, 2-display screen, 3-key-press matrix, 4-reducer casing, 5-oil return knob, the 6-hydraulic oil pump, 7-thru-bolt, 8-oil filler, 9-oil pipe, 10-bearing pin, 11-left side lifting beam, 12-piston, 13-sphere fulcrum, 14-catch pawl, the 15-spring, 16-clearance gauge, 17-lock screw, 18-drag link, the 19-travel switch, 20-double end nut, 21-air bleeder screw plug, the right lifting beam of 22-, the 23-aviation plug, 24-micromotor, 25-cable, 26-charging socket.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, portable rail truck wheel weighing instrument, comprise controller 1, wheel weighing instrument body, be provided with hydraulic oil pump 6 in this wheel weighing instrument body, described controller 1 and wheel weighing instrument body control linkage, described wheel weighing instrument body is provided with a micromotor 24, and this micromotor 24 is in transmission connection with the hydraulic oil pump 6 of wheel weighing instrument body.
Described controller 1 comprises housing, electronic circuit board, power supply, charging socket, display screen 2, key-press matrix 3 and cable 25, described electronic circuit board, power supply all are located in the housing, described electronic circuit board is electrically connected with power supply and is connected with the wheel weighing instrument body by cable 25, and described charging socket 26, display screen 2 and key-press matrix 3 all are located on the housing and all are connected with electronic circuit board; Described wheel weighing instrument body comprises left lifting beam 11, right lifting beam 22, oil pipe 9, length-adjustable drag link 18, reducer casing 4, clearance gauge 16 and with clearance gauge 16 corresponding travel switches 19, described left lifting beam 11, hydraulic oil pump 6, reducer casing 4 is fixing by two thru-bolts 7 that penetrate from left lifting beam 11 left sides successively from left to right, the front end of described right lifting beam 22 by one longitudinally bearing pin 10 be connected with reducer casing 4, described left lifting beam 11, be respectively equipped with a hydraulic jack 12 in the front end of right lifting beam 22, two hydraulic jacks 12 are connected with hydraulic oil pump 6 by oil pipe 9, left side lifting beam 11, the front end upper surface of right lifting beam 22 is respectively equipped with a sphere fulcrum 13, the two ends of described drag link 18 respectively by one longitudinally bearing pin 10 be connected with the middle part of left lifting beam 11 and the middle part of right lifting beam 22, the two ends of this drag link 18 are equipped with one grade of pawl 14, described clearance gauge 16 is fixed on the drag link 18 by a lock screw 17, be provided with a spring 15 between this clearance gauge 16 and the left lifting beam 11, described travel switch 19 is located at the left part rear side of reducer casing 4, and is electrically connected with micromotor 24; The middle part of described drag link 18 is provided with the double end nut 20 of a scalable drag link length.
Portable rail truck overload of the present utility model, unbalance loading intelligence wheel weighing instrument are made up of controller 1 and wheel weighing instrument body two parts, are connected together by cable 25.The wheel weighing instrument body mainly comprises micromotor 24, reducer casing 4, hydraulic oil pump 6, left lifting beam 11, right lifting beam 22 and drag link 18.Tighten together with thru-bolt 7 between left side lifting beam 11 and hydraulic oil pump 6 and the reducer casing 4, become as a whole.Connect with bearing pin 10 between right lifting beam 22 and the speed reduction unit 4, right lifting beam 22 can swing around bearing pin 10.Also be connected between drag link 18 and left lifting beam 11 and the right lifting beam 22 with two bearing pins 10.18 fens left and right two parts of drag link, the middle double end nut 20 of using connects, and twists the length that double end nut 20 can change drag link 18, swings thereby spur right lifting beam 22, changes the distance between the two sphere fulcrums 13, to adapt to the freight car wheel of different-diameter.The rear end of left side lifting beam 11, right lifting beam 22 is two hydraulic jacks 12, and piston is arranged in the hydraulic jack.Connect with oil pipe 9 between two hydraulic jacks 12, the hydraulic oil pump 6.Lock screw 17 can be locked in clearance gauge 16 left end of drag link 18.Have an oil filler 8 and oil return knob 5 on the hydraulic oil pump 6.
Before lifting wheel, unscrew lock screw 17, clearance gauge 16 slippage to the right under the elastic force effect of spring 15 abuts against wheel surface.When lifting wheel, open and change micromotor 24, drive hydraulic oil pump 6 work.The hydraulic oil that hydraulic oil pump 6 extrudes flows to two hydraulic jacks 12 by oil pipe 9, and two-piston stretches out downwards, and left lifting beam 11 and right lifting beam 22 are lifted, and lifts freight car wheel by two sphere fulcrums 13 again.After wheel was lifted, clearance gauge 16 slid onto right-hand member rapidly under the elastic force effect of spring 15.Travel switch 19 connections this moment, micromotor 24 stops operating, and controller 1 is noted institute's measuring wheel tuple certificate simultaneously.
The degree of depth that two catch pawls, 14 may command wheel weighing instruments inject makes two-piston 12 just in time be positioned near the certain position of rail center line, helps improving the mensuration precision.Controller 1 is made up of housing, electronic circuit board, power supply, charging socket 26 etc., and display screen 2 and key-press matrix 3 are arranged on the housing.The operator operates wheel weighing instrument by key-press matrix 3, and is very laborsaving.Display screen 2 can carry out man-machine conversation and show determination data.Charging socket 26 can be connected with supporting special charger, and the used power supply of charger is single-phase AC 220V, easily.
Claims (4)
1. portable rail truck wheel weighing instrument, comprise the wheel weighing instrument body, be provided with hydraulic oil pump in this wheel weighing instrument body, it is characterized in that, also comprise controller, described controller and wheel weighing instrument body control linkage, described wheel weighing instrument body is provided with a micromotor, and the hydraulic oil pump of this micromotor and wheel weighing instrument body is in transmission connection.
2. portable rail truck wheel weighing instrument according to claim 1, it is characterized in that, described controller comprises housing, electronic circuit board, power supply, charging socket, display screen, key-press matrix and cable, described electronic circuit board, power supply all are located in the housing, described electronic circuit board is electrically connected with power supply and is connected with the wheel weighing instrument body by cable, and described charging socket, display screen and key-press matrix all are located on the housing and all are connected with electronic circuit board.
3. portable rail truck wheel weighing instrument according to claim 1 and 2, it is characterized in that, described wheel weighing instrument body comprises left lifting beam, right lifting beam, oil pipe, length-adjustable drag link, reducer casing, clearance gauge and with the corresponding travel switch of clearance gauge, described left lifting beam, hydraulic oil pump, reducer casing is fixed by two thru-bolts that penetrate from left lifting beam left side from left to right successively, the front end of described right lifting beam by one longitudinally bearing pin be connected with reducer casing, described left lifting beam, be respectively equipped with a hydraulic jack in the front end of right lifting beam, two hydraulic jacks are connected with hydraulic oil pump by oil pipe, left side lifting beam, the front end upper surface of right lifting beam is respectively equipped with a sphere fulcrum, the two ends of described drag link respectively by one longitudinally bearing pin be connected with the middle part of left lifting beam and the middle part of right lifting beam, the two ends of this drag link are equipped with one grade of pawl, described clearance gauge is fixed on the drag link by a lock screw, be provided with a spring between this clearance gauge and the left lifting beam, described travel switch is located at the rear side of reducer casing, and is electrically connected with micromotor.
4. portable rail truck wheel weighing instrument according to claim 3 is characterized in that the middle part of described drag link is provided with the double end nut of a scalable drag link length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202094116U CN201508222U (en) | 2009-09-08 | 2009-09-08 | Portable wheel load scale for railway vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202094116U CN201508222U (en) | 2009-09-08 | 2009-09-08 | Portable wheel load scale for railway vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508222U true CN201508222U (en) | 2010-06-16 |
Family
ID=42469349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202094116U Expired - Lifetime CN201508222U (en) | 2009-09-08 | 2009-09-08 | Portable wheel load scale for railway vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201508222U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012257B (en) * | 2009-09-08 | 2012-07-04 | 上海铁路局 | Wheel load detector of railway vehicle |
| CN106427837A (en) * | 2016-11-11 | 2017-02-22 | 长安大学 | Compartment weight balance analysis and measurement device |
| CN108489590A (en) * | 2018-03-20 | 2018-09-04 | 金华伟业铁路机械设备有限公司 | A kind of Portable wheel load scale for railway vehicles equipped with calibration equipment |
-
2009
- 2009-09-08 CN CN2009202094116U patent/CN201508222U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012257B (en) * | 2009-09-08 | 2012-07-04 | 上海铁路局 | Wheel load detector of railway vehicle |
| CN106427837A (en) * | 2016-11-11 | 2017-02-22 | 长安大学 | Compartment weight balance analysis and measurement device |
| CN108489590A (en) * | 2018-03-20 | 2018-09-04 | 金华伟业铁路机械设备有限公司 | A kind of Portable wheel load scale for railway vehicles equipped with calibration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100616 Effective date of abandoning: 20090908 |