CN204767641U - Automatic deviation correcting device of purlin car formula suction dredge - Google Patents
Automatic deviation correcting device of purlin car formula suction dredge Download PDFInfo
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- CN204767641U CN204767641U CN201520504359.2U CN201520504359U CN204767641U CN 204767641 U CN204767641 U CN 204767641U CN 201520504359 U CN201520504359 U CN 201520504359U CN 204767641 U CN204767641 U CN 204767641U
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- suction dredge
- limit switch
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- mouse tail
- formula suction
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Abstract
The utility model relates to an automatic deviation correcting device of purlin car formula suction dredge, including two limit switch, two limit switch are connected with the driving motor that two front end walkings of purlin car formula suction dredge were taken turns respectively, two limit switch set up respectively outside the track that two front end walking wheels were located. The beneficial effects of the utility model are that: the automatic skew orbital problem of wheel of correcting can be accomplished through this kind of rattail limit switch to the suction dredge. A large amount of time has been striven for for orbital correction, avoid the suction dredge probably fall into because of derailing and cause huge economic loss in the pond.
Description
Technical field
The utility model relates to a kind of purlin car formula suction dredge automatic deviation rectifying device.
Background technology
In recent years, purifying station strengthened equipment refinement management, reduced equipment failure rate, improved equipment optimization and ran.Particularly winter, suction dredge was gnawed in rail problem, solved a production difficult problem extremely urgent.
What the sewage disposal of Western Road of Capital Airport aviation purifying station adopted is activated sludge process, the major part of the activated sludge that sedimentation basin precipitates is drawn back to biochemical reaction section and is supplemented, and this reciprocal walking needing purlin car formula suction dredge to carry out continuing along the track of sedimentation basin both sides is to complete the suction operation of mud.
Purlin car formula suction dredge is primarily of compositions such as service bridge, drive unit, suction mud system, skimmer device, electrical control cubicles, electrical power trans mission/distribution systems, as shown in Figure 1, sludge pump 6 under road wheel 1, drive motors 2, electric cabinet 3, dredging tube 4, discharge pipeline 5, liquid, walking crossbeam 7, track 8 and travel control system is comprised.
There is derailment occurring and production development security incident in suction dredge, serious damage is even scrapped to cause suction dredge to occur, causes direct economic loss.Suction dredge derailing causes the returned sludge of second pond effectively can not be back to aeration tank, affects the carrying out of sewage disposal core biochemical reaction flow process, cannot ensure that standard water discharge is discharged, and pollutes natural water, causes environmental accident.In " gnawing rail " phenomenon that issue in focus occurred by we before derailing occurs, by overcoming " gnawing rail " or reducing " gnawing rail " phenomenon, avoid occurring serious derailment accident.
| 2012 | 70081 |
| 2013 | 70080 |
| 2014 | 70078 |
Rail number of times gnawed by a table 1:2012-2014 year purifying station suction dredge
2012, gnawing rail and then causing serious derailing problem appearred in purifying station No. 1 suction dredge.Derailing directly causes second pond mud effectively can not be back to aeration tank, occurs safety in production hidden danger.
Walking motor difference is the mechanical reason causing suction dredge to derail, due to driving two ends with load different, the efficiency of motor is different, there is difference in rotating speed, cause the driving speed of travel different, after this causes reductor to run, the difference of motor manifests driving one end in front one end rear, thus makes driving occur under running conditions gnawing rail, derailment accident.
The suction dredge of second pond comes into operation for 1999, there is subtle flow sometimes in the track of walking, original place walking that the wheel causing suction dredge purlin car to be walked on the track of distortion side " gnaws rail ", opposite side is normally walked, huge tractive force causes the wheel of distortion side " upper rail ", and suction dredge finally can be caused to de-orbit.Once car derailing in purlin is fallen in pond, crossbeam will be caused to damage, be worth the suction dredge equipment scrapping of 260,000 yuan, bring huge economic loss and harmful effect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of suction dredge of avoiding and occurs the purlin car automatic deviation rectifying device of derailing problem due to movable motor difference.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of purlin car formula suction dredge automatic deviation rectifying device, comprises two limit switches,
Described two limit switches are connected with the drive motors of two front end road wheels of purlin car formula suction dredge respectively;
Described two limit switches are separately positioned on outside the track residing for two front end road wheels.
The beneficial effects of the utility model are: suction dredge can accomplish the problem of automatically correcting wheel offset track by this mouse tail limit switch.A large amount of time has been striven in correction for track; Avoid suction dredge may fall in pond because of derailing and cause huge economic loss.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described limit switch adopts mouse tail type limit switch, and described mouse tail type limit switch comprises Switch main body and contact rod, and described Switch main body is connected by electric wire with contact rod, and shape and the mouse tail of described contact rod are similar.
Further, the contact rod of described two mouse tail type limit switches is vertically fitted in outside the track residing for two front end road wheels respectively.
Further, described mouse tail type limit switch belongs to angle limit switch.
The beneficial effect of above-mentioned further scheme is adopted to be, once wheel offset track, the angle of limit switch and rail contact will increase, until this angle is increased to 15 °, namely the road wheel of this side stops walking, and opposite side road wheel walks on, and recovers normally until angle, stop the road wheel of side to walk on, suction dredge just can recover normal operation like this.
Accompanying drawing explanation
Fig. 1 is the structural representation of purlin car formula suction dredge in prior art;
Fig. 2 is a kind of purlin described in the utility model car formula suction dredge automatic deviation rectifying device structural representation.
In accompanying drawing, the list of parts representated by each label is as follows:
1, road wheel, 2, drive motors, 3, electric cabinet, 4, dredging tube, 5, discharge pipeline, 6, sludge pump under liquid, 7, walking crossbeam, 8, track, 9, limit switch.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 2, a kind of purlin car formula suction dredge automatic deviation rectifying device, comprises two limit switches 9,
Described two limit switches 9 are connected with the drive motors 2 of two front end road wheels of purlin car formula suction dredge respectively;
Described two limit switches 9 are separately positioned on outside the track 8 residing for two front end road wheels.
Described limit switch 9 adopts mouse tail type limit switch, and described mouse tail type limit switch comprises Switch main body and contact rod, and described Switch main body is connected by electric wire with contact rod, and shape and the mouse tail of described contact rod are similar.
The contact rod of described two mouse tail type limit switches is vertically fitted in outside the track 8 residing for two front end road wheels 1 respectively.
Described mouse tail type limit switch belongs to angle limit switch.
Add drive motors 2 mouse tail type limit switch action control that a mouse tail type limit switch controls both sides respectively the drive motors of homonymy out of service in the front end of four road wheels 1, such purlin car oneself is rectified a deviation, is ajusted in the process of walking, realizes the long-time even running of purlin car.
The full name of this limit switch is called " mouse tail type limit switch; as the term suggests; the contact rod shape of this switch similarly is the tail of mouse; after installing; contact rod (mouse tail) is vertically attached on outside track; once wheel offset track, " mouse tail " will increase with the angle of rail contact, until this angle is increased to 15 °, namely the wheel of this side stops walking, and opposite side walks on, and recovers normally until angle, stop the wheel of side to walk on, suction dredge just can recover normal operation like this.
The drive motors that a mouse tail type limit switch controls both sides is respectively added in the front end of four road wheels.
When purlin car is walked forward, if driving wheel walking in side is too fast, road wheel track is eccentric, mouse tail type limit switch action after eccentric, and the drive motors that mouse tail type limit switch action control this side is out of service, but the drive motors of opposite side is still in operation.The fast side namely walked due to the effect of limit switch out of service, the side lost time continues to run, be exactly driving oneself correction in the process of walking like this, ajust, driving is ajusted rear mouse tail type limit switch and is resetted, and stops side dragging motor to continue to run.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a purlin car formula suction dredge automatic deviation rectifying device, is characterized in that, comprises two limit switches,
Described two limit switches are connected with the drive motors of two front end road wheels of purlin car formula suction dredge respectively;
Described two limit switches are separately positioned on outside the track residing for two front end road wheels.
2. a kind of purlin according to claim 1 car formula suction dredge automatic deviation rectifying device, it is characterized in that, described limit switch adopts mouse tail type limit switch, described mouse tail type limit switch comprises Switch main body and contact rod, described Switch main body is connected by electric wire with contact rod, and shape and the mouse tail of described contact rod are similar.
3. a kind of purlin according to claim 2 car formula suction dredge automatic deviation rectifying device, it is characterized in that, the contact rod of described two mouse tail type limit switches is vertically fitted in outside the track residing for two front end road wheels respectively.
4. a kind of purlin car formula suction dredge automatic deviation rectifying device according to Claims 2 or 3, it is characterized in that, described mouse tail type limit switch belongs to angle limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504359.2U CN204767641U (en) | 2015-07-13 | 2015-07-13 | Automatic deviation correcting device of purlin car formula suction dredge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504359.2U CN204767641U (en) | 2015-07-13 | 2015-07-13 | Automatic deviation correcting device of purlin car formula suction dredge |
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| CN204767641U true CN204767641U (en) | 2015-11-18 |
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| CN201520504359.2U Active CN204767641U (en) | 2015-07-13 | 2015-07-13 | Automatic deviation correcting device of purlin car formula suction dredge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553946A (en) * | 2018-04-18 | 2018-09-21 | 中国天辰工程有限公司 | A kind of novel setting pot |
| CN108854177A (en) * | 2018-08-23 | 2018-11-23 | 安徽启源智能科技有限公司 | Mud scraper operation control system and its control method |
-
2015
- 2015-07-13 CN CN201520504359.2U patent/CN204767641U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553946A (en) * | 2018-04-18 | 2018-09-21 | 中国天辰工程有限公司 | A kind of novel setting pot |
| CN108553946B (en) * | 2018-04-18 | 2021-07-30 | 中国天辰工程有限公司 | Novel grit chamber |
| CN108854177A (en) * | 2018-08-23 | 2018-11-23 | 安徽启源智能科技有限公司 | Mud scraper operation control system and its control method |
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