DE29923362U1 - Position measuring device and industrial truck equipped with it - Google Patents

Position measuring device and industrial truck equipped with it

Info

Publication number
DE29923362U1
DE29923362U1 DE29923362U DE29923362U DE29923362U1 DE 29923362 U1 DE29923362 U1 DE 29923362U1 DE 29923362 U DE29923362 U DE 29923362U DE 29923362 U DE29923362 U DE 29923362U DE 29923362 U1 DE29923362 U1 DE 29923362U1
Authority
DE
Germany
Prior art keywords
industrial truck
axle
steering
truck according
drive
Prior art date
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
Application number
DE29923362U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jungheinrich Moosburg GmbH
Original Assignee
Steinbock Boss Foerdertec GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Steinbock Boss Foerdertec GmbH filed Critical Steinbock Boss Foerdertec GmbH
Priority to DE29923362U priority Critical patent/DE29923362U1/en
Publication of DE29923362U1 publication Critical patent/DE29923362U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • B62D15/02—Steering position indicators ; Steering position determination; Steering aids

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (10)

1. Flurförderzeug, insbesondere Staplerfahrzeug, mit einer Lenkachse und einer Positionsmesseinrichtung (22) zur Erfassung der Lenk­ stellung lenkbarer Räder (2) an der Lenkachse, wobei an einem ersten Achsteil (28) der Lenkachse eine Sensoranordnung in Form einer Gruppe in vorbestimmter geometrischer Beziehung zuein­ ander längs einer Positionsmessstrecke (S) angeordneter Nähe­ rungsschaltelemente (T1. . .T17) vorgesehen ist, die jeweils einen auf Annäherung eines längs der Positionsmessstrecke (S) beweg­ baren magnetischen Positionsgeberelementes (M, 22a) anspre­ chenden Magnetfeldsensor aufweisen, wobei das magnetische Positionsgeberelement (M, 22a) an einem beim Lenkvorgang relativ zu dem ersten Achsteil (28) bewegten zweiten Achsteil (30) der Lenkachse angeordnet ist, und wobei in einem elektrischen Netz­ werk jedem Magnetfeldsensor ein jeweiliger Widerstand (R1. . . . R17) zugeordnet ist, der in Reihe mit einem bei Annäherung des Positionsgeberelementes (M, 22a) an den betreffenden Magnet­ feldsensor in den niederohmigen Leitungszustand übergehenden elektronischen Schalter (3) des betreffenden Näherungsschalt­ elementes (T1. . . .T17) in einem Spannungsteiler-Widerstands­ zweig einer die Ausgangsspannung des Netzwerks als Teilerspan­ nung (Uout) bereitstellenden Spannungsteilerschaltung liegt.1. Industrial truck, in particular forklift truck, with a steering axle and a position measuring device ( 22 ) for detecting the steering position of steerable wheels ( 2 ) on the steering axle, with a sensor arrangement in the form of a group in a predetermined geometric relationship on a first axle part ( 28 ) of the steering axle to each other along a position measuring section (S) arranged proximity switching elements (T1... T17) are provided, each having a magnetic field sensor element (M, 22 a) responsive to the approximation of a magnetic position sensor element (M, 22 a) moving along the position measuring section (S), the Magnetic position sensor element (M, 22 a) is arranged on a second axle part ( 30 ) of the steering axle that is moved relative to the first axle part ( 28 ) during the steering process, and in an electrical network each magnetic field sensor has a respective resistance (R1... R17 ) is assigned, which is in series with one when the position sensor element (M, 22 a) approaches the relevant magnetic field sensor in the low-impedance line state passing electronic switch ( 3 ) of the proximity switch element concerned (T1. . . .T17) in a voltage divider resistor branch of a voltage divider circuit which provides the output voltage of the network as a divider voltage (Uout). 2. Flurförderzeug nach Anspruch 1, wobei die Näherungsschaltelemente (T1. . . .T17) Hallsonden als Magnetfeldsensoren aufweisen und insbesondere als integrierte Schaltungen in Form von Hall-Trigger-Sensor-IC's ausgebildet sind.2. Industrial truck according to claim 1, the proximity switching elements (T1... T17) Hall probes as Have magnetic field sensors and in particular as integrated Circuits in the form of Hall trigger sensor ICs are formed. 3. Flurförderzeug nach Anspruch 1 oder 2, wobei das Positionsgeber­ element (M) wenigstens einen Permanentmagneten aufweist. 3. Industrial truck according to claim 1 or 2, wherein the position transmitter element (M) has at least one permanent magnet.   4. Flurförderzeug nach einem der vorhergehenden Ansprüche, wobei die Näherungsschaltelemente (T1. . . .T17) in einem insbesondere flüssigkeitsdicht verkapselten Gehäuse an dem ersten Achsteil (28) untergebracht sind.4. Industrial truck according to one of the preceding claims, wherein the proximity switching elements (T1 ... T17) are housed in a particularly liquid-tight encapsulated housing on the first axle part ( 28 ). 5. Flurförderzeug nach einem der vorhergehenden Ansprüche, wobei die Widerstände (R1. . . .R17) zu einer Widerstandskette in Serie geschaltet sind und die elektronischen Schalter (3) einerseits jeweils an Verbindungspunkten zwischen aufeinander folgenden Widerständen (R1. . . .R17) und andererseits an einem gemeinsa­ men Bezugspotential angeschlossen sind.5. Industrial truck according to one of the preceding claims, wherein the resistors (R1.... R17) are connected in series to form a resistance chain and the electronic switches ( 3 ) on the one hand in each case at connection points between successive resistors (R1... .R17) and on the other hand are connected to a common reference potential. 6. Flurförderzeug nach einem der Ansprüche 1-4, wobei die jeweili­ gen Paare aus betreffendem Widerstand und in Reihe zugeord­ netem elektronischen Schalter parallel zueinander geschaltet sind.6. Industrial truck according to one of claims 1-4, wherein the respective matched pairs from the relevant resistance and in series netem electronic switch are connected in parallel. 7. Flurförderzeug nach einem der vorhergehenden Ansprüche, wobei es eine Antriebsachse mit zwei Antriebsrädern (12) und für jedes Antriebsrad einen jeweiligen Antriebs-Elektromotor (14, 16), insbesondere Drehstrom-Asynchronmotor aufweist, wobei das Flurförderzeug ferner eine Steuereinrichtung (18) zur Steuerung der Antriebselektromotoren (14, 16) aufweist, die dazu eingerichtet ist, die von der Positionsmesseinrichtung (22) bereitgestellten Informationen über die jeweilige Lenkstellung der gelenkten Räder (20) bei der Steuerung der Antriebs-Elektromotoren (14, 16) zu berücksichtigen.7. Industrial truck according to one of the preceding claims, wherein it has a drive axle with two drive wheels ( 12 ) and for each drive wheel a respective drive electric motor ( 14 , 16 ), in particular three-phase asynchronous motor, the industrial truck further comprising a control device ( 18 ) to take into account control of the driving electric motors (14, 16) which is adapted to the information provided by the position measuring device (22) about the respective steering position of the steered wheels (20) in controlling the drive electric motors (14, 16). 8. Flurförderzeug nach Anspruch 7, wobei die Antriebsachse die Vorderachse ist und wobei die Lenkachse die Hinterachse ist.8. Industrial truck according to claim 7, wherein the drive axle Is the front axle and the steering axle is the rear axle. 9. Flurförderzeug nach Anspruch 7 oder 8, wobei die Steuereinrich­ tung dazu eingerichtet ist, die von der Positionsmesseinrichtung (22) bereitgestellten Informationen über die jeweilige Lenkstellung der gelenkten Räder (20) zu berücksichtigen, um die Antriebs- Elektromotoren (14, 16) so zu steuern, dass jedes Antriebsrad eine dem Kurvenradius entsprechende Drehzahl für rollenden Antrieb erhält.9. Industrial truck according to claim 7 or 8, wherein the Steuereinrich device is set up to take into account the information provided by the position measuring device ( 22 ) about the respective steering position of the steered wheels ( 20 ) so as to drive the electric motors ( 14 , 16 ) to control that each drive wheel receives a speed corresponding to the curve radius for rolling drive. 10. Flurförderzeug nach einem der Ansprüche 7 bis 9, wobei die Steuereinrichtung dazu eingerichtet ist, die von der Positionsmess­ einrichtung (22) bereitgestellten Informationen über die jeweilige Lenkstellung der gelenkten Räder (20) zu berücksichtigen, um die Maximal-Fahrgeschwindigkeit in Abhängigkeit von der jeweiligen Lenkstellung zu steuern.10. Industrial truck according to one of claims 7 to 9, wherein the control device is set up to take into account the information provided by the position measuring device ( 22 ) about the respective steering position of the steered wheels ( 20 ) in order to determine the maximum driving speed as a function of to control the respective steering position.
DE29923362U 1999-01-12 1999-01-12 Position measuring device and industrial truck equipped with it Expired - Lifetime DE29923362U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29923362U DE29923362U1 (en) 1999-01-12 1999-01-12 Position measuring device and industrial truck equipped with it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29923362U DE29923362U1 (en) 1999-01-12 1999-01-12 Position measuring device and industrial truck equipped with it
DE19900841 1999-01-12

Publications (1)

Publication Number Publication Date
DE29923362U1 true DE29923362U1 (en) 2000-08-24

Family

ID=26051280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29923362U Expired - Lifetime DE29923362U1 (en) 1999-01-12 1999-01-12 Position measuring device and industrial truck equipped with it

Country Status (1)

Country Link
DE (1) DE29923362U1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2100798A2 (en) 2008-03-12 2009-09-16 Jungheinrich Aktiengesellschaft Industrial truck, in particular forklift
DE102011121247A1 (en) * 2011-12-14 2013-06-20 Marco Systemanalyse Und Entwicklung Gmbh Measuring rod for determining position of piston of hydraulic cylinder for roof support system in underground mines, has multiple detector elements, which are arranged along axis of measuring rod, and are formed by Hall sensors
CN103424068A (en) * 2012-05-25 2013-12-04 中铁六局集团有限公司 Central deviation automatic display instrument and method for using same in construction process
DE102016219482A1 (en) * 2016-10-07 2018-04-12 Zf Friedrichshafen Ag Drive control unit and method for limiting a maximum speed of an industrial truck
DE102019200178A1 (en) 2019-01-09 2020-07-09 Zf Friedrichshafen Ag Steering axle for an industrial truck and industrial truck with the steering axle
CN113093943A (en) * 2021-04-14 2021-07-09 京东方科技集团股份有限公司 Display device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2100798A2 (en) 2008-03-12 2009-09-16 Jungheinrich Aktiengesellschaft Industrial truck, in particular forklift
DE102008013915A1 (en) 2008-03-12 2009-09-17 Jungheinrich Ag Industrial truck, especially forklift truck
EP2100798A3 (en) * 2008-03-12 2010-04-07 Jungheinrich Aktiengesellschaft Industrial truck, in particular forklift
US8239098B2 (en) 2008-03-12 2012-08-07 Jungheinrich Aktiengesellschaft Industrial truck, in particular, a lift truck
DE102011121247A1 (en) * 2011-12-14 2013-06-20 Marco Systemanalyse Und Entwicklung Gmbh Measuring rod for determining position of piston of hydraulic cylinder for roof support system in underground mines, has multiple detector elements, which are arranged along axis of measuring rod, and are formed by Hall sensors
CN103424068A (en) * 2012-05-25 2013-12-04 中铁六局集团有限公司 Central deviation automatic display instrument and method for using same in construction process
CN103424068B (en) * 2012-05-25 2016-01-06 中铁六局集团有限公司 Center off normal autoamtic display device and the using method in work progress thereof
DE102016219482A1 (en) * 2016-10-07 2018-04-12 Zf Friedrichshafen Ag Drive control unit and method for limiting a maximum speed of an industrial truck
DE102019200178A1 (en) 2019-01-09 2020-07-09 Zf Friedrichshafen Ag Steering axle for an industrial truck and industrial truck with the steering axle
CN113093943A (en) * 2021-04-14 2021-07-09 京东方科技集团股份有限公司 Display device
CN113093943B (en) * 2021-04-14 2024-03-15 京东方科技集团股份有限公司 Display device

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000928

R150 Term of protection extended to 6 years

Effective date: 20011220

R081 Change of applicant/patentee

Owner name: JUNGHEINRICH MOOSBURG GMBH, DE

Free format text: FORMER OWNER: STEINBOCK BOSS GMBH FOERDERTECHNIK, 85368 MOOSBURG, DE

Effective date: 20030704

R151 Term of protection extended to 8 years

Effective date: 20050207

R158 Lapse of ip right after 8 years

Effective date: 20070801