DE9307446U1 - HYDRAULIC TEST DEVICE FOR FORKLIFT - Google Patents
HYDRAULIC TEST DEVICE FOR FORKLIFTInfo
- Publication number
- DE9307446U1 DE9307446U1 DE9307446U DE9307446U DE9307446U1 DE 9307446 U1 DE9307446 U1 DE 9307446U1 DE 9307446 U DE9307446 U DE 9307446U DE 9307446 U DE9307446 U DE 9307446U DE 9307446 U1 DE9307446 U1 DE 9307446U1
- Authority
- DE
- Germany
- Prior art keywords
- test device
- test
- load
- forklift
- hydraulic
- 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
Links
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
24.03.199324.03.1993
Es ist bekannt, daß Flurförderzeuge gemäß Vorschrift mindestens einmal jährlich durch einen Sachkundigen zu prüfen 3 ind.It is known that industrial trucks must be inspected by a qualified person at least once a year in accordance with regulations 3 ind.
Die Überprüfung erfaßt im wesentlichen die Lastgabeln, Hubketten, Hydraulik-Hubeinrichtung und die Hydraulik-Neigungaeinrichtung. The inspection essentially covers the load forks, lifting chains, hydraulic lifting device and the hydraulic tilting device.
Die Prüfung wird z. Zt. so durchgeführt, daß eine im Lastschwerpunkt wirkende Kraft auf die Lastgabeln aufgebracht wird, was durch das Auflegen von entsprechenden Gewichten realisiert wird.The test is currently carried out in such a way that a force acting at the load centre is applied to the load forks, which is achieved by placing appropriate weights on them.
Diese Prüfmethode erfordert einen großen Aufwand an Prüfgewichten und ist daher nicht an jedem beliebigen Ort durchführbar .This test method requires a large amount of test weights and therefore cannot be carried out at any location.
Der Erfindung liegt das Problem zugrunde, eine Vorrichtung zu schaffen, die durch leichte Handhabung eine Überprüfung des Gabelstaplers an beliebigen Standorten gestattet. Dieses Problem wird mit den Maßnahmen des Schutzanspruches gelöst.The invention is based on the problem of creating a device that allows the forklift truck to be checked at any location through easy handling. This problem is solved with the measures of the protection claim.
Die Prüfung erfolgt mittels einer einfach zu handhabenden hydraulischen Prüfvorrichtung, die im Hubmast durah vier Rollen und einen rechten und linken unteren Anschlag gelagert wird und deren Prüfkraft über einen hydrl. betätigten Arbeitszylinder im Schrägzug an der Lastgabel angreift. Der dazu benötigte hydrl. Druck wird durch eine Handkolbenpumpe erzeugt, an deren Stirnseite ein handbetätigtes Wegeventil mit Rastung und hydrl. Verblockung angebaut ist. Die Verbindung zwischen Arbeitszylinder und Handkolbenpumpe erfolgt durch zwei Druckschläuahe, die leckölfrei durch Schnellschlußkupplungen angeschlossen werden. Im Druckraum des Arbeitszylinders ist ein Druckmeßanschluß vorgesehen.The test is carried out using an easy-to-use hydraulic test device that is mounted in the lifting mast by four rollers and a right and left lower stop, and whose test force acts on the load fork via a hydraulically operated working cylinder in diagonal pull. The hydraulic pressure required for this is generated by a hand piston pump, on the front of which a hand-operated directional valve with a detent and hydraulic locking is attached. The connection between the working cylinder and the hand piston pump is made by two pressure hoses that are connected with quick-release couplings without leaking oil. A pressure measuring connection is provided in the pressure chamber of the working cylinder.
Ein Ausführungsbeispiel wird anhand der Fig. 1 bis 3 erläutert
.
Es zeigen:An embodiment is explained with reference to Figs. 1 to 3.
Show it:
Fig. 1: Prüfanordnung am Gabelstapler m. hydr. Schaltplan Fig. 2: Vorderansicht der PrüfvorrichtungFig. 1: Test arrangement on the forklift with hydraulic circuit diagram Fig. 2: Front view of the test device
Fig. 3: Seitenansicht der PrüfvorrichtungFig. 3: Side view of the test device
Nach Fig. 1 wird die Prüfvorrichtung 1 in den Hubmast 2 durch die Rollen 3 und den unteren Anschlag h beidseitig gelagert. Zwischen dem Drehpunkt 5 an der Lastgabel 6 und dem Drehpunkt 7 an der Prüfvorrichtung 1 ist der Arbeitszylinder 8 verstellbar gelagert. Über die Druckschläuche 9 und die Schnellschlußkupplung 10 iat die Handkolbenpumpe 11 an den Arbeitszylinder 8 angeschlossen.According to Fig. 1, the test device 1 is mounted on both sides of the lifting mast 2 by the rollers 3 and the lower stop h . The working cylinder 8 is adjustably mounted between the pivot point 5 on the load fork 6 and the pivot point 7 on the test device 1. The hand piston pump 11 is connected to the working cylinder 8 via the pressure hoses 9 and the quick-release coupling 10.
Das Druckmeßgerät 12 am Arbeitszylinder &thgr; gestattet das Ablesen des jeweiligen hydrl. Arbeitsdruckes beim Prüfvorgang mit dem im Vergleich zum Winkel OC die senkrecht wirkende Prüflast F über das Prüf last-Druck-Diagramm ermittelt werden kann .The pressure gauge 12 on the working cylinder &thgr; allows the respective hydraulic working pressure to be read during the test process, with which the vertically acting test load F can be determined in comparison to the angle OC via the test load-pressure diagram.
Die Fig. 2 und 3 stellt den konstruktiven Aufbau der Prüfvorrichtung dar, und zwar die variable Befestigung des Drehpunktes 5 an der Lastgabel 6, der seitlich auf dem Querrohr verschiebbare Drehpunkt 7, die zur Nessung des Kraftangriffswinkels angebrachte Winkelskala 14, das linke feste Seitenblech 15 mit den Rollen 3, das rechte verstellbare Seitenblech 16 mit den Rollen 3 und der untere Anschlag h. Fig. 2 and 3 show the structural design of the test device, namely the variable fastening of the pivot point 5 on the load fork 6, the pivot point 7 which can be moved laterally on the cross tube, the angle scale 14 attached for measuring the angle of force application, the left fixed side plate 15 with the rollers 3, the right adjustable side plate 16 with the rollers 3 and the lower stop h.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9307446U DE9307446U1 (en) | 1993-05-17 | 1993-05-17 | HYDRAULIC TEST DEVICE FOR FORKLIFT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9307446U DE9307446U1 (en) | 1993-05-17 | 1993-05-17 | HYDRAULIC TEST DEVICE FOR FORKLIFT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9307446U1 true DE9307446U1 (en) | 1993-09-23 |
Family
ID=6893356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9307446U Expired - Lifetime DE9307446U1 (en) | 1993-05-17 | 1993-05-17 | HYDRAULIC TEST DEVICE FOR FORKLIFT |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE9307446U1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2886013A1 (en) * | 2005-05-23 | 2006-11-24 | Nicolas Falck | Load`s effect simulating force generating device for use with e.g. power lift truck, has structure on which jack is fixed, where jack is surmounted with bar and supplied by engine unit regulated in pressure by adjustable pressure limiter |
| DE102018104791A1 (en) * | 2018-03-02 | 2019-09-05 | Martin Schmid | Test device for checking the hydraulics of a forklift and method therefor |
-
1993
- 1993-05-17 DE DE9307446U patent/DE9307446U1/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2886013A1 (en) * | 2005-05-23 | 2006-11-24 | Nicolas Falck | Load`s effect simulating force generating device for use with e.g. power lift truck, has structure on which jack is fixed, where jack is surmounted with bar and supplied by engine unit regulated in pressure by adjustable pressure limiter |
| DE102018104791A1 (en) * | 2018-03-02 | 2019-09-05 | Martin Schmid | Test device for checking the hydraulics of a forklift and method therefor |
| DE102018104791B4 (en) | 2018-03-02 | 2020-04-23 | Martin Schmid | Test device for checking the hydraulics of a forklift and method therefor |
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