CN2381783Y - Protector for exceeding speed limit for cars at incline shaft - Google Patents
Protector for exceeding speed limit for cars at incline shaft Download PDFInfo
- Publication number
- CN2381783Y CN2381783Y CN 99212826 CN99212826U CN2381783Y CN 2381783 Y CN2381783 Y CN 2381783Y CN 99212826 CN99212826 CN 99212826 CN 99212826 U CN99212826 U CN 99212826U CN 2381783 Y CN2381783 Y CN 2381783Y
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- China
- Prior art keywords
- wheel
- speed measuring
- car
- starter
- controller
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- Expired - Fee Related
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Abstract
The utility model relates to a protector for exceeding speed limit for man cars, which is an important device for ensuring the safe operation of man cars in mines and belongs to transportation machines in mines. The protector is composed of a speed measuring sensor, a controlling instrument and an executing mechanism, wherein the speed measuring sensor is composed of a big gear and a small gear which are engaged each other and are respectively arranged on a wheel of a man car and a speed measuring motor, the speed measuring motor is connected with the controlling instrument through conducting wires, and the executing mechanism is composed of a starter and a gear transmission device. The starter is connected with the controlling instrument through conducting wires, gears on the starter engage gear quadrants on the ends of a rocker, and the rocker pokes a brake pull rod through a link stopper. The controlling instrument adopts a monolithic computer in the series of MCS-51 and an 8031 chip.
Description
The man car overspeed protective device is the important device that guarantees the operation of slope safety of person vehicle, belongs to the carrying machine in mine field.
At present, the man car of domestic production mainly contains two kinds: inserting grab and armful rail formula.These two kinds of people's cars only can be worked as and could be realized after the winch steel cable disconnects braking, and during for winch band rope out of control sport car, can't realize braking.On the man car of states such as the former Soviet Union, Britain and the U.S. or overspeed protective device all is housed in the inclined gallery.Centrifugal overspeed protective device is housed on the man car of the former Soviet Union, also claims centrifugal governor.This apparatus structure is simple, but sensitivity is low, and its protection speed generally is higher than people's car speed of service 10%, otherwise easily produces misoperation.And do not have duty and detect, once inner member lost efficacy, can't realize overspeed protection; The power that its another shortcoming is this device is taken from the adhesive power of wheel and track, in case wheel is unsettled or adhesive power when not enough then can't open brake.In recent years on the perfect basis of centrifugal overspeed protective device, finish the overspeed protection of man car jointly with hydraulic system, but the structure of this device is too complicated.Britain's man car overspeed protective device is to utilize the hydraulic pump extraction rate signal that is installed on the wheel, opens people's vehicle brake when hydraulic system pressure surpasses setting value, realizes people's car braking protection.The form of structure of this device and control system complexity and lag time are long, are not suitable for the Chinese people bassinet structure.
In recent years, the high-performance Doppler radar, controller, car stop and the energy absorption device that adopt of the people's car in some inclined shaft mines of the U.S., Germany formed radar velocity measurement remote control overspeed protective device.This device belongs to alley stopping device open in usual, and some car stops are housed on the tunnel, when radar detection to greater than the sport car of fixing speed the time, controller just cuts out the nearest car stop in the place ahead, by the kinetic energy of the energy absorption device absorption sport car that links to each other with car stop.The car stop position of this overspeed protective device is fixed, thereby, might arrive the speed overshoot speed far away at car stop place and cause occupant's injures and deaths at people's car.
The centrifugal overspeed protective device that adopts on domestic a few peoples' car, its structure, principle are identical with the overspeed protective device of former Soviet Union's man car, promptly adopt spring as the overspeed detection element, and rate accuracy is low, and protection speed is higher than 10% of people's car speed of service.
The purpose of this utility model is to overcome the deficiency that said apparatus exists, and the man car overspeed protective device that can realize the monitoring of people's vehicle speed, warning and Braking mode on a kind of basis of not having big change at existing man car simultaneously is provided.
The scheme accompanying drawings that realizes above-mentioned purpose is as follows: the man car overspeed protective device is by tachogenerator; controller and executing agency form; tachogenerator is by a pair of intermeshing big pinion 7; 6 and speed measuring motor 5 form; gear wheel 7 is contained on the wheel 8 of man car; pinion 6 is contained on the speed measuring motor 5; speed measuring motor 5 connects controller 1 by lead; executing agency is made up of starter 2 and gear drive; starter 2 connects controller 1 by lead; the gear 4 of starter 2 meshes with the fan tooth of rocking bar 3 ends; rocking bar 3 is fixedlyed connected with the brake lever axle 11 that collision block 9 is housed; collision block 9 places are pull bar 3; by rocking bar 3 brake lever axle 11 is rotated; collision block 9 is stirred pull bar 10, makes the braking of people's car.Controller is selected the MCS-51 series monolithic for use, and adopts 8031 chips.
The utility model is selected the wheel extraction rate signal of right sensors from trailer for use, wheel is done corresponding change as required, promptly the rotation of wheel is converted into the corresponding signal of telecommunication (analog quantity or digital quantity) by sensor, sending controller to (is installed on the trailer, on the position that the cager is convenient to observe), controller compares, judges, shows after the signal that transmits is handled.When speed surpassed setting value, controller sent corresponding control signal and makes executing agency's action, realized the control of people's car.
The utility model can be realized people's car hypervelocity Braking mode, protection people's car and occupant safety.And have action degree of accuracy height, lag time is short, device reliability is high and advantage simple in structure, that cost is low, its specific targets are as follows: (1) people's car setting speed and actual act velocity error are not more than 1%; (2) people's car exceeds the speed limit and finishes the time interval of arresting action to brake and be not more than 0.35s; (3) cost of this device is not more than 5% of people's car cost, and the cost of controller is about 300 yuan.The utility model can reach the every requirement to overspeed protective device of former Ministry of Coal Industry suggestion.
Further specify particular content of the present utility model below in conjunction with embodiment shown in the drawings.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is executing agency's sketch.
Fig. 3 is the vertical view of Fig. 2.
Among the figure: 1. controller 2. starters 3. rocking bars 4. starter pinions 5. speed measuring motors 6. pinions 7. gear wheels 8. wheels 9. collision blocks 10. pull bars 11. brake lever axles
Tachogenerator in the man car overspeed protective device that the utility model provides is used to gather the man car GES.Its embodiment can adopt speed measuring motor or magnetoelectric tachometric transducer; Controller is used for processing, the demonstration to GES, and control executing agency, and its embodiment can adopt single-chip microcomputer or comparator.
Adopt the scheme of speed measuring motor to consult Fig. 1: promptly on the wheel 8 of man car, to adorn a gear wheel 7, this gear wheel is meshed with pinion 6 on being connected speed measuring motor 5 and the tach signal of gear 8 is amplified, then rate signal is converted to voltage signal through speed measuring motor 5, pass to controller 1 by cable, voltage signal is sent into the panel table through amplification in controller 1, show people's vehicle speed, sending into comparator simultaneously compares, according to magnitude of voltage and the comparative result of setting threshold and hypervelocity value, show corresponding running status indication, when people's car exceeds the speed limit, send control signal corresponding and give executing agency.After executing agency received the execution signal of controller, executing agency's action made the braking of people's car.
Present embodiment adopts speed measuring motor, comparator, and the speed measuring device cost is lower, and controller is simple in structure, reliability is high, response speed is fast.Tachogenerator can adopt magnetoelectric tachometric transducer, and it is installed in wheel 8 places, and wheel 8 requires to do suitably to change according to sensor, connects firmly on wheel after can directly being processed into evenly spaced convex and concave teeth or being processed into evenly spaced convex and concave teeth in addition.When wheel, sensor is passed to controller to tach signal by cable, and this signal is sent in the single-chip microcomputer and handled through after the shaping, single-chip microcomputer is converted into velocity amplitude with result and send demonstration, and, show corresponding running status indication according to comparative result, when people's car exceeds the speed limit velocity amplitude and setting value comparison, send corresponding control signal and give executing agency, after executing agency received the execution signal of controller, executing agency's action made the braking of people's car.
Present embodiment adopts magnetoelectricity speed probe, single-chip microcomputer, and is simple in structure, cost is low, and system responses is very fast.
Controller 1 in the utility model is the control section of whole device.This controller adopts the MCS-51 series monolithic, and uses 8031 chips.In the man car running, the central processing unit in the controller from the outside with signals collecting to system, to reach real-time control.When man car exceeds the speed limit, provide simultaneously signal and make executing agency's action, thereby reach the purpose of overspeed protection.
Executing agency is an automatic brake of realizing man car according to the overspeed signal that controller sends.Its structure is consulted Fig. 2, Fig. 3.Executing agency is made of starter 2 and gear drive.Starter 2 is connected with controller 1 by lead, and starter pinion 4 meshes with the fan tooth of rocking bar 3 ends, by rocking bar 3 brake lever axle 11 is rotated, and collision block 9 is stirred pull bar 10, makes the braking of people's car.This executing agency does not change the arrestment mechanism of man car substantially.
Claims (2)
1. the man car overspeed protective device is by tachogenerator; controller and executing agency form; it is characterized in that tachogenerator is by a pair of intermeshing big pinion (7); (6) and speed measuring motor (5) constitute; gear wheel (7) is contained on the wheel (8) of man car; pinion (6) is contained on the speed measuring motor (5); speed measuring motor (5) connects controller (1) by lead; executing agency is made up of starter (2) and gear drive; starter (2) connects controller (1) by lead; the gear (4) of starter (2) meshes with the fan tooth of rocking bar (3) end; rocking bar (3) is fixedlyed connected with the brake lever axle (11) that collision block (9) is housed; collision block (9) locates to be pull bar (3); controller is selected the MCS-51 series monolithic for use, and adopts 8031 chips.
2. man car overspeed protective device according to claim 1; it is characterized in that said tachogenerator can adopt magnetoelectric tachometric transducer; it is installed in wheel (8) and locates, and wheel (8) connects firmly on wheel after can directly being processed into evenly spaced convex and concave teeth or being processed into evenly spaced convex and concave teeth in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99212826 CN2381783Y (en) | 1999-06-03 | 1999-06-03 | Protector for exceeding speed limit for cars at incline shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99212826 CN2381783Y (en) | 1999-06-03 | 1999-06-03 | Protector for exceeding speed limit for cars at incline shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2381783Y true CN2381783Y (en) | 2000-06-07 |
Family
ID=34005403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99212826 Expired - Fee Related CN2381783Y (en) | 1999-06-03 | 1999-06-03 | Protector for exceeding speed limit for cars at incline shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2381783Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150699A (en) * | 2017-05-08 | 2017-09-12 | 枣庄学院 | A kind of Novel brake shuttle car system of mine endless rope winch |
| CN107202904A (en) * | 2017-06-01 | 2017-09-26 | 凯盛重工有限公司 | A kind of brake shuttle tram speed measuring device |
| CN110422183A (en) * | 2019-07-24 | 2019-11-08 | 常州科研试制中心有限公司 | The common rail clip rail of inclined shaft multiplies people's vehicle |
-
1999
- 1999-06-03 CN CN 99212826 patent/CN2381783Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107150699A (en) * | 2017-05-08 | 2017-09-12 | 枣庄学院 | A kind of Novel brake shuttle car system of mine endless rope winch |
| CN107150699B (en) * | 2017-05-08 | 2019-04-02 | 枣庄学院 | A kind of brake shuttle tram system of mine endless rope winch |
| CN107202904A (en) * | 2017-06-01 | 2017-09-26 | 凯盛重工有限公司 | A kind of brake shuttle tram speed measuring device |
| CN110422183A (en) * | 2019-07-24 | 2019-11-08 | 常州科研试制中心有限公司 | The common rail clip rail of inclined shaft multiplies people's vehicle |
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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 |