EP1628900A1 - PRüFHEBEL - Google Patents
PRüFHEBELInfo
- Publication number
- EP1628900A1 EP1628900A1 EP04739204A EP04739204A EP1628900A1 EP 1628900 A1 EP1628900 A1 EP 1628900A1 EP 04739204 A EP04739204 A EP 04739204A EP 04739204 A EP04739204 A EP 04739204A EP 1628900 A1 EP1628900 A1 EP 1628900A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- test
- test lever
- lever
- elevator
- rope
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
Definitions
- the present invention relates to a portable test lever with a load arm and a force arm and an associated method for being able to determine a state of an elevator, for example as part of a security check.
- the object of the present invention is to simplify a device and a measuring method for checking an operating state of the elevator.
- the present invention has a portable test lever with a load arm and a force arm for checking a load capacity, in particular a rope slide and / or an acceleration capacity of an elevator.
- the test lever has an integrated measuring fixture.
- a receptacle, in particular a rope receptacle and / or a fastening device, in particular a rope fastening device, is arranged on the test lever at a distance from the force arm.
- the test lever has a support, preferably for example as a fixed point arrangement, which is preferably arranged between the cable holder and the measurement holder on the test lever.
- the support for the fastening device, especially for the cable fastening device is in particular between the fixed point and the
- the portable test lever allows it to be easily transported and used by one person from elevator to elevator. In particular, the use of the portable test lever allows several people to do without a security check.
- the portable test lever makes particular use of the principle that a test force is introduced into the rope via the test lever. This makes it possible for the test lever to be compact and to be used on a wide variety of cable lifts as a test device.
- the test lever has a distance between the cable holder and the fixed point arrangement, which is set in a defined manner for parameter measurement, and is preferably adjustable.
- a defined division of the test lever into the load arm and the power arm enables the force to be transmitted to the load arm and above it to the rope via the introduction of force into the power arm and the use of the fixed point arrangement as a fixed or pivot point during the measurement , Based on the defined distances, an evaluation of the behavior of the test hoist or the rope can be used to determine whether the driving force present on the rope hoist is still within the tolerable range or outside of it.
- the measurement receptacle is preferably arranged in the power arm and / or in the load arm. Several measurement recordings can also be provided, in particular at different positions.
- the test lever allows individual ropes of the elevator to be checked.
- the elevator rope that appears to be the loosest is preferably checked.
- the measurement recording is able to record the force impressed on the load arm by means of at least one suitable measurement parameter.
- a bending of the power arm can be determined under the test force.
- strain gauges a statement can be made as to whether a rope slide is already occurring with a definable test force or not yet.
- the force measurement can be carried out additionally or alternatively by means of a capacitive sensor, an inductive sensor, a transverse armature sensor, a magnetoelastic sensor, a piezoelectric sensor, a photoelectric sensor, a resistance length sensor and / or by means of a Hall probe.
- a Wheatstone bridge is preferably used in order to thereby avoid a disturbance variable, e.g. Temperature, to eliminate.
- the measurement recording preferably has interference suppression.
- Disturbances can be, for example, temperature, electromagnetic interference fields or other.
- the cable holder on the test lever is preferably arranged at one end of the load arm.
- the load arm can have a fork in which the elevator rope is arranged in the center.
- the elevator rope is preferably clamped in the rope receptacle, in particular a rope fastening device. This enables a power transmission from the test lever to the rope.
- the clamping can take place, for example, by means of a screw connection. By tightening one or more screws, the elevator rope can be inserted between
- the fixed point arrangement for example the cable fastening device, of the portable test lever is arranged in particular between the load arm and the power arm.
- the fixed point arrangement in particular the cable fastening device, ensures that the test lever can transmit its force to the cable when the test force acts.
- the test lever has the possibility of forming a fixed point on a fixed part of a building or a fixed elevator part, for example, by means of which the test lever can develop its leverage.
- test lever has at least one acceleration sensor.
- the acceleration sensor is able to determine, for example, a vertical and / or horizontal acceleration of the elevator. On the one hand, it is possible to draw conclusions about the tightening behavior of the elevator and its braking behavior.
- the test lever preferably has one or more acceleration sensors in connection with the same
- Measurement recording as for one or more force transducers, in particular strain gauges.
- the measurement stretch strips can be arranged in a cavity of the test lever and be connected to a circuit board on which the acceleration sensor is located.
- test lever has an evaluation unit integrated in connection with a signal device.
- a predefinable parameter profile can preferably be entered, in particular stored, in the evaluation unit.
- the measurement parameter or parameters recorded on the test lever can be compared with the specifiable parameters. For example, it can be checked whether the measurement parameters are within or outside a predeterminable range.
- the connection of the evaluation unit to the signaling device enables a display to be triggered directly on the test lever, which indicates a state of the elevator. For example, it can show that the recorded measurement parameters are located inside or outside a security area. A lengthy evaluation of the recorded measurement parameters is therefore not necessary. This allows a direct check and determination of the operating condition of the rope hoist by means of the portable test hoist.
- the test result is displayed immediately after the test force has been applied.
- the test lever can have a storage unit.
- the recorded and stored measurement parameters can be passed on to the locally separated computer via the signal transmission device.
- This computer can be a laptop, for example, which has an evaluation program. This enables a tester of the elevator to be able to move the portable test lever with the elevator separately from the tester and still be able to immediately record and evaluate measurement parameters. This is aimed in particular with regard to an acceleration check.
- the locally separated computer can also be a computer that regulates or controls a building device.
- the signal transmission device also enables a remote security check of the cable lift.
- the recorded and transmitted signals allow a conclusion to be drawn as to whether a safety inspection of the cable lift has become necessary. In this way, regular checking in particular can be made possible without the need for a permanent tester to be on site.
- the test lever preferably has an integrated, exchangeable energy supply.
- the energy supply can, for example, by means of one or more batteries or accumulators and / or external voltage supply.
- the test lever is preferably hollow at least in a partial area.
- one or more batteries or accumulators can be used in this hollow area.
- the signal transmission device can be arranged at least partially in this hollow area.
- the measurement receptacle can also be located in the hollow area.
- the measuring lever can have a connection for an external voltage supply.
- a method for measuring a driving ability in particular a rope slide of an elevator rope and / or an acceleration ability of an elevator, is provided with the following steps:
- a portable test hoist which has a load arm and a force arm as well as an integrated measuring receptacle, with a receptacle spaced apart from the load arm, in particular a rope receptacle and / or fastening device, in particular a rope fastening device, preferably on the elevator rope, and generation of a fixed point,
- test lever can be arranged stationary on the elevator.
- the test lever can also carry out a movement of the elevator due to its arrangement, for example on the elevator rope or on part of the elevator car.
- This allows, for example, positive and negative acceleration measurements.
- the test lever is attached to a part of the building and / or the elevator with its fixed point arrangement in order to form a pivot point.
- the test force can then be impressed into the rope using the test lever. If the elevator rope slips, it can be determined and is measured. For example, slipping can be detected directly, for example optically, electrically or in another way.
- the test lever can also detect movement of the elevator rope.
- the test lever has the option of evaluating the measurement parameter (s) in the test lever itself and displaying the result by triggering a signal on the test lever.
- a qualitative display of the measurement parameter or parameters is preferably carried out.
- the test lever can have at least a first and a second display area for this purpose.
- the first display area for example, lights up red when the evaluation shows that the state of the elevator is outside a safety area.
- the second area lights up green, for example, if the evaluation reveals an elevator condition located in the security area.
- the test lever has one or more display means, in particular LEDs, which display a signal generated on the basis of the evaluation.
- display means in particular LEDs
- Another embodiment provides that a quantitative display is possible, for example by means of a digital display.
- test lever has an acoustic display. If, for example, an insufficient test force is applied, a warning signal is triggered.
- the result can also be communicated acoustically, for example by different acoustic signals that are generated.
- an arrangement of the test lever on an elevator rope is provided, in which a fixed point of the test lever is formed by a connection to a building and / or elevator part.
- the test lever can additionally have one or more components that lead to a fixed point arrangement.
- the fixed point arrangement forms, for example, the pivot or pivot point for the test lever.
- a test lever is arranged on a movably arranged elevator area, preferably in an approximately horizontal orientation.
- the test lever is preferably fastened by means of the load arm.
- one or more sensors are preferably arranged in the power arm. Due to the horizontal orientation, the test lever can serve as a fixed crack arm, for example.
- the measuring sensor system is excited to trigger a measurement signal that characterizes the acceleration due to a movement of the elevator. Due to the spacing of the sensors from the fixed point of the Krakarm, a more sensitive acceleration measurement is carried out compared to a measuring sensor arranged directly on the moving part of the elevator.
- a test lever is arranged on a movably arranged elevator area in an approximately vertical orientation. This is particularly advantageous where there is a very tight space
- Elevator shaft is present.
- the test lever to be connected to the elevator in a quasi-stationary manner. In this way it is possible that a continuous check of the elevator with regard to its acceleration behavior is made possible. If the rope behavior of an elevator rope is to be checked, a new test lever does not have to be brought along. Rather, the one on site Test levers are implemented, as described above, for example, used to check the driving ability and the slipping of the elevator rope or ropes are checked.
- a cable fastening device for a test lever is preferably used, which is equipped with a centrally arranged guide for the elevator cable for generating a direct power transmission, preferably without generating torque.
- a centrally arranged guide can be achieved, for example, by surfaces arranged at an angle to one another and converging towards each other, against which the rope is pressed.
- the rope fastening device is portable.
- the test lever is preferably constructed at least for the most part from a metal.
- it can, however, also be made of a glass fiber reinforced plastic or a similar material which brings the corresponding strength requirements with it.
- the test lever is made of aluminum.
- the test lever has one or more materials.
- the test lever is preferably equipped with a weight that is less than four kilograms. This makes it possible for the
- Test lever can be carried in one hand, stopped on the elevator rope and fastened with the other hand.
- the test lever is preferably composed of several components which can preferably be used one inside the other.
- the length ratio of the force arm to the load arm can be variable.
- the power arm can also have a test head which can be interchangeably arranged.
- the measuring sensor system is interchangeably arranged in the test lever.
- the evaluation unit and / or a memory can also be replaced.
- the test lever is preferably equipped such that the software in the test lever can be adapted.
- the test lever can, for example, have an interface via which new software or upgrades can be loaded.
- the test lever can have an interface via which signals to be evaluated and evaluated can be transmitted.
- the test lever for radio transmission has an integrated antenna.
- a further training provides that a
- Cable attachment device for the test lever has an extension.
- the extension enables the test lever to engage with its holder while at the same time being supported on the cable fastening device.
- the rope fastening device is preferably able to form an axis of rotation in interaction with the fixed point arrangement of the test lever.
- test lever has an exchangeable test head.
- This test head is preferably plugged on.
- the test head is designed in particular as a lever head part, which also includes the fixed point arrangement of the test lever.
- the test head can be rotated.
- the test head can have a lockable swivel joint.
- test head has a mandrel.
- the mandrel is inserted, for example, into an opening, preferably a bore in the traction sheave of the cable elevator.
- a test force can be applied to the test lever applied and checked whether the suspension ropes slip.
- the test lever is preferably dimensioned such that an effective test force of, for example, at least 200 kg, preferably up to at least 800 kg, can be transmitted into the rope.
- the test lever preferably has a lever ratio> 1: 5, in particular> 1: 8, preferably in a range between 1:11 to 1:20. In this way, by applying a small test force to the force arm, a large effective test force can be introduced into the rope by means of the load arm.
- test lever 8 Another embodiment of the test lever with a test head and a cable fastening device
- test head of a test lever which is designed as a lever head part
- Fig.11 A schematic view of a traction sheave to which a test lever can be attached and
- Fig. 12 A principle of an anchor point in front of the suspension cables.
- the test lever 1 shows a first embodiment of a test lever 1 with a lever head part 2, which is arranged on the test lever 1 via a locking joint 3.
- the lever head part 2 has a cable holder 4.
- the cable holder 4 has a first and a second leg, between which the elevator cable can be inserted.
- the elevator cable can preferably be immovably fixed, in particular clamped, in the cable holder 4.
- the test lever 1 has the locking joint 3 preferably also designed as a support 5.
- the support 5 offers the possibility that the test lever 1 can be supported against a fixed point, in particular using this as a fulcrum. It should be noted in particular that the support 5 preferably does not have a punctiform surface, but rather a longitudinally extending support surface.
- the lever head part 2 which is arranged pivotably on the test lever 1 by means of the locking joint 3, can thereby be brought into different positions so that the support 5 can be supported. To this In this way, the test lever 1 can be flexibly adapted to different rooms that a tester finds on the elevator and in particular in the elevator shaft.
- the maximum pivotable circle of the lever head part 2 around the locking joint 3 is indicated by dashed lines
- the lever head part 2 can be pivoted and locked as desired only in a certain angular range.
- This angular range can be, for example, between 10 ° and 350 °.
- the test lever 1 has an integrated measurement receptacle 6.
- the measurement receptacle 6 in turn can have an integrated evaluation unit 7, which in turn is connected to a signal device 8.
- the signal device 8 has, for example, one or more display means, in particular light-emitting diodes.
- the construction of the test lever 1 allows it to have a first area as a load arm 9 and a second area as a power arm 10. Load arm 9 and power arm 10 are preferably separated by the support 5 as shown.
- a test force is applied to the force arm 10 and transmitted to the elevator cable via the load arm 9. In this way, it is determined whether or not there is sufficient traction with an elevator traction sheave drive.
- the test lever 1 uses in particular the elastic spring properties of a material of the test lever 1. These form a primary sensor of the driving ability and of the deceleration measuring device.
- the temporary expansion of the material of the test lever under the action of force via the lever head part is preferably metrologically integrated into the lever material
- Material deformation sensors such as force sensors such as strain gauges, recorded and electronically evaluated.
- the test force is generated in particular by manually depressing the test lever 1 on the force arm 10 and transformed via the load arm 9 to a fixed point on the elevator rope, the force acting there preferably being measured by measurement technology on the basis of the defined one physical properties on test lever 1, in particular the leverage laws acting there.
- the test lever 1 preferably has an acceleration sensor 11 integrated. During the deceleration measurement, an action of the inertia force, in particular that of the lever head part 2, is preferably detected.
- the test lever is preferably designed as a crack arm. An acting deceleration as well as acceleration on the test lever 1 leads to a deflection of the test lever 1, which is fixed, for example, with respect to the lever head part 2. Since the test lever 1 also has a defined mass at the same time, a statement regarding the acceleration capacity of the elevator is made possible in connection with the inertia force.
- the deceleration measurement can be detected in that when the elevator is braked or started, the temporary expansion of the test lever material generated in test lever 1 is detected by means of, for example, integrated material deformation sensors such as strain gauges and evaluated as a delay signal.
- a further acceleration sensor can be permanently integrated in the test lever 1, which detects a deceleration by means of measurement technology via two axes and transmits this to the measurement receptacle 6 and evaluation unit 7 integrated in the test lever 1, which generates a correlation signal.
- Delay measurement can be signaled optically and / or acoustically by means of the signal device 8, in particular when a predetermined limit value is exceeded as well as undershot.
- FIG. 2 shows a first possible application of the test hoist 1 from FIG. 1.
- An elevator 12 has a traction sheave 13, via which one or more elevator cables 14 are driven.
- the test lever 1 is supported with its support 5 on a cable fastening device 17.
- Rope fastening device 17 is used to introduce force into the elevator rope 14.
- the rope fastening device 17 is screwed or clamped, for example, by means of a fixing element, the test lever 1 being rotatably arranged on the support 5 on its support 5.
- a stop element 18 is arranged on the elevator 12.
- the stop element 18 serves to generate a fixed point for the lever head part 2 of the test lever 1.
- the stop element 18 can be attached to the traction sheave 13, for example.
- the traction sheave can have an opening or also a stop, via which the test lever 1 receives a fixed point. As shown in Fig. 2, the fixed point by means of
- Stop element 18 can also be formed over a building part 19.
- a fixed elevator part can also serve this purpose.
- a ceiling opening, a machine frame and / or a rail bracket can be used to form a fixed point.
- the stop element 18 can be arranged at a distance from the building part 19. This can be carried out, for example, by means of a rope which is fastened to part 19 of the building and has the stop element 18 at one end. If the test force F1 now acts on the test lever 1, a force F2 is transmitted to the elevator cable 14. The transmitted force F2 is generated depending on the constructively defined leverage ratio depending on the test force Fl.
- FIG. 3 shows a possibility of forming a stop element 18 by using a deflection roller 20 over which a fastening rope 21 leads.
- the fastening rope 21 is fastened, for example, to a building part 19 and the deflection roller 20 to an elevator part 22.
- FIG. 4 shows an example of an electronic evaluation unit 7 that can be integrated into a test lever.
- the structure of the elements integrated in the test lever has, for example, a first acceleration sensor 23.1, a second acceleration sensor 23.2, a respective amplifier 24, a computer and control unit 25, a range selector switch 26, a material deformation sensor 27, to which an amplifier 24 is connected, a display device 28, which can display a signal optically and acoustically, an analog / digital converter 29, a signal transmission device 30 and, for example, an energy supply 31 as
- the signal transmission device 30 is preferably suitable for radio transmission and has a corresponding one
- a radio-transmitting signal is fed, for example, via a receiver 32 to a computer 33, by means of which a further evaluation can take place.
- a driveability measurement by means of the test lever is carried out, for example, as follows: via the material deformation sensor 27, the measurement signal is fed to the computer / control unit 25 as a digitized signal via the amplifier 24 and an analog / digital converter 29 connected to it.
- the measuring range of the material deformation sensor 27 can be set using the range selector switch 26.
- the display device 28 can be used to signal optically and / or acoustically whether the measured value recorded is in or outside the preset measuring range.
- the measurement result is preferably in the form of a
- Limit values are displayed directly on the test lever. This can be done optically and / or acoustically.
- radio transmission takes place by means of the signal transmission device 30.
- the signal transmission device 30 can be activated by means of the computer and control unit 25, in particular a digital, coded, fail-safe data packet that is stored in the computer and control unit 25 was generated to transmit.
- the data packet preferably has error protection and source information. In this way, it can in particular be ensured that there is sufficient data protection on the one hand.
- this type of coding allows a clear assignment of the signals received via the compatible receiver 32, which signals can be decoded and evaluated again, for example, via the computer 33.
- this enables a computer 33 to record and evaluate a plurality of data packets from different locations.
- This system is ideal for remote inspection of elevators.
- the transmission of the data packet can also be supplied to computer 33, for example via a telephone network or also via a power network.
- An acceleration measurement for example by means of the test lift, is carried out, for example, as follows: the test lever is fixed, for example, to a car frame of an elevator system in such a way that the lever head part forms a freely movable arm.
- the lever head part with its defined mass detects an acceleration that occurs as a force of inertia, which leads to a temporary deformation of the test lever.
- the temporary deformation is, for example, one or more
- Material deformation sensors 27 added. These can in particular have an integrated measuring bridge in which a signal triggered in accordance with the deformation is generated.
- the measuring range can be preset via the range selector switch 26, so that the signal supplied to the analog / digital converter 29 via the amplifier 24 is preferably fed to the computer and control unit 25 for the formation of reference values with a further two-coordinate acceleration sensor 23.3.
- the display device 28 can be used to produce a visual and acoustic display which indicates whether the measured value recorded is within or outside the measuring range set by means of the range selector switch 26.
- the acceleration measurement described above also offers the possibility of sending coded data packets by means of the signal transmission device 30, which packets can be delivered to a receiver 32 in the form of coded and fail-safe data packets.
- These data packets can also contain digitized measurement data with error protection and source information.
- the data packet preferably has measurement data relating to the material deformation and the two-coordinate acceleration.
- measurement data are continuously sent to computer 33, for example. This can only be done if necessary. For forwarding, for example, a modem transmission via a mobile phone is also suitable, as is the transmission path via a fixed network.
- the computer 33 can also be provided only as an additive, with the electronic evaluation and display being carried out sufficiently on the test lever itself.
- the traction sheave 13 has the stop element 18, by means of which the test lever 1 can transmit a force to the cable fastening device 17.
- the traction sheave 13 can, for example, have one or more bores distributed along its circumference. One or more bolts can be inserted into these holes.
- the test lever 1 is formed at one end so that the lever head part 2 can grip the bolt. If a test force is applied to the test lever 1, the one acts Force on the cable fastening device 17, on the other hand, a counterforce acts on the stop element 18.
- a bolt has a stop bracket in which the lever head part can engage.
- test lever 1 shows another possible application of the test lever 1 on the drive pulley 13.
- the test lever 1 is designed so that it can be connected to the traction sheave 13 in the area of the locking joint 3. This can again be done, for example, via a bolt connection.
- the load arm 9 engages by means of it
- the elevator 12 has an elevator car 35, on which a car frame 36 is arranged.
- the car frame 36 has a fixation 37, by means of which the test lever 1 can be fixed in a stationary manner on the car frame 36 and thus on the elevator car 35.
- the test lever 1 forms a free-moving claw arm, the lever head part 2 having a defined mass m, which is measurably deflected in accordance with the negative and positive acceleration of the elevator car 35. In this way, an acceleration measurement can be carried out using the test lever 1.
- FIG. 8 shows a further embodiment of the test lever with a test head 38 and an embodiment of the cable fastening device 17
- Rope fastening device 17 is constructed, for example, in two parts, a first component 39 forming a counterpart 40 to the support 5 of the test lever 1.
- the second component 41 is connected to the first component 39 via screws 42.
- the screws 42 preferably have a thread 43 so that a lock nut (not shown) can act against the first component 39.
- the first component 39 and the second component 41 clamp the elevator rope 14.
- the rope fastening device 17 is preferably such that the elevator rope 14 is guided centrally through the counterpart 40 and thus the support 5 as shown. In this way it is prevented that an introduction of force transfers transverse forces into the rope, which could lead to a falsification of the measurement result.
- This fastening device 17 and the test lever 1 are preferably designed such that there is mobility between the counterpart 40 and the support 5.
- the support 5 and the counterpart 40 are equipped with different angles, so that the support 5 can be rolled on the counterpart 40.
- the support 5 or the counterpart 40 can, in particular, be at least partially round, curved and also formed with a straight surface.
- the test lever 1 and the cable fastening device 17 are preferably matched to one another in such a way that, in a central position, they form an opening angle 43 which is preferably between 10 ° and 25 °, in particular between 12.5 ° and 17.5 °, preferably 15 °.
- the opening angle 43 is the same on both sides, according to another embodiment it is different.
- the test head 38 is inserted into a tube 44. There it is held in a defined manner by means of a fuse 45.
- the fuse 45 is designed, for example, as a screw connection.
- the tube 44 in turn is preferably made of one
- the lever head part 2 has one
- Stop element receptacle 46 The stop element holder
- FIG. 9 shows the cable fastening device 17 in a top view along the section IX-IX from FIG. 8.
- the first component 39 and the second component 41 are secured to one another by means of two screws 42.
- the screw connection is in particular such that a sufficient clamping force is exerted on the elevator rope 14.
- the components 39, 41 have pressing surfaces 47.
- the pressing surface 47 can be completely or partially curved, round, or even straight surfaces.
- the total pressing surface can have an angularity, preferably for centering the elevator rope 14 in the rope fastening device 17.
- the test head 38 shows the test head 38 from FIG. 8 detached from the tube.
- the test head 38 has a cable receptacle 4 in the form of two spaced-apart legs.
- the lever head part 2 has the possibility of specifically placing the stop element 18, which is indicated by dashed lines.
- a fastening rope 21 can be attached to the stop element 18, for example.
- part of the traction sheave is arranged in the test head 38 between the legs.
- FIG 11 shows a schematic view of the traction sheave 13 on which 4 elevator cables 14 run.
- the traction sheave 13 can have bores through which
- a further embodiment provides, for example, a stop bracket 49 which, for example, extends over the entire width of the traction sheave 13 and is attached to the bolt 18.
- the test head 2 can be fixed variably for each support cable 14 of the elevator 12 by means of the stop bracket 49.
- one or more markings 48 can also be provided, by means of which slipping of an elevator rope can be detected. For example, this can also be done via automatic detection, for example via an optical test device.
- 12 shows a further embodiment of checking the driving ability of an elevator by means of the test lever 1 in cooperation with the traction sheave 13. For example, test lever 1 can be rotated by 180 ° about its axis.
- the lever head part 2 of the test lever 1 is supported on a support surface 50.
- the support surface 50 is formed by means of a fixing element 51, which is preferably detachably attached to the elevator rope 14.
- a fixed point arrangement is formed in that a connection 53 for forming a fixed point 54 with the test lever 1 is present at an area 52 which is fixed relative to the elevator rope 14.
- the area 52 as well as the connection 53 are preferably selected such that the test lever 1 extends with respect to the lever head part 2 away from the traction sheave 13.
- the area 52 is preferably arranged opposite the traction sheave 13 in such a way that the test lever does not run between the elevator rope, which extends from the traction sheave 13 on both sides.
- the present invention makes it possible to have safety-related test tasks for the safety check on lifts and conveyors or machines with, for example, non-positive traction drives, in particular for recurrent tests, for type tests, conformity tests and the like, preferably carried out by accredited or other test organizations or other authorized bodies and persons.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CY20071101325T CY1106932T1 (el) | 2003-05-22 | 2007-10-15 | Ενας δοκιμαστικος μοχλος |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10323175A DE10323175A1 (de) | 2003-05-22 | 2003-05-22 | Prüfhebel |
PCT/EP2004/005180 WO2004103880A1 (de) | 2003-05-22 | 2004-05-14 | Prüfhebel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1628900A1 true EP1628900A1 (de) | 2006-03-01 |
EP1628900B1 EP1628900B1 (de) | 2007-07-18 |
Family
ID=33461839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04739204A Active EP1628900B1 (de) | 2003-05-22 | 2004-05-14 | PRüFHEBEL |
Country Status (11)
Country | Link |
---|---|
US (1) | US7677111B2 (de) |
EP (1) | EP1628900B1 (de) |
CN (1) | CN100564218C (de) |
AT (1) | ATE367352T1 (de) |
BR (1) | BRPI0410567A (de) |
CA (1) | CA2546175C (de) |
CY (1) | CY1106932T1 (de) |
DE (2) | DE10323175A1 (de) |
ES (1) | ES2290722T3 (de) |
RU (1) | RU2318718C2 (de) |
WO (1) | WO2004103880A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004029133A1 (de) * | 2004-06-17 | 2006-01-05 | TÜV Industrie Service GmbH - TÜV Rheinland Group | Kraftreduziertes Messverfahren für Traktionsantriebe, insbesondere Treibscheibenantriebe von Aufzügen |
DE102005010346A1 (de) * | 2005-03-07 | 2006-09-14 | TÜV Rheinland Industrie Service GmbH | Prüfvorrichtung und zugehöriges Verfahren |
DE102006011092A1 (de) * | 2006-03-08 | 2007-09-13 | TÜV Rheinland Industrie Service GmbH | Prüfhebel mit Auflager |
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DE102007009602A1 (de) | 2007-02-26 | 2008-08-28 | TÜV Rheinland Industrie Service GmbH | Treibfähigkeitsmessung an Treibscheibenaufzugsanlagen |
DE102008022416A1 (de) * | 2008-05-06 | 2009-11-12 | TÜV Rheinland Industrie Service GmbH | Beschleunigungsmessung an einer Aufzugseinrichtung |
DE102009038498A1 (de) | 2009-08-21 | 2011-02-24 | TÜV Rheinland Industrie Service GmbH | Verfahren und Vorrichtung zur Messung von Zustandsgrößen einer Aufzugsanlage |
DE102009038497A1 (de) | 2009-08-21 | 2011-02-24 | TÜV Rheinland Industrie Service GmbH | Treibfähigkeitsmessung |
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-
2003
- 2003-05-22 DE DE10323175A patent/DE10323175A1/de not_active Ceased
-
2004
- 2004-05-14 DE DE502004004373T patent/DE502004004373D1/de active Active
- 2004-05-14 WO PCT/EP2004/005180 patent/WO2004103880A1/de active IP Right Grant
- 2004-05-14 CA CA002546175A patent/CA2546175C/en not_active Expired - Fee Related
- 2004-05-14 ES ES04739204T patent/ES2290722T3/es active Active
- 2004-05-14 EP EP04739204A patent/EP1628900B1/de active Active
- 2004-05-14 BR BRPI0410567-2A patent/BRPI0410567A/pt not_active IP Right Cessation
- 2004-05-14 RU RU2005140099/11A patent/RU2318718C2/ru not_active IP Right Cessation
- 2004-05-14 CN CNB2004800208998A patent/CN100564218C/zh not_active Expired - Fee Related
- 2004-05-14 AT AT04739204T patent/ATE367352T1/de not_active IP Right Cessation
- 2004-05-14 US US10/558,070 patent/US7677111B2/en not_active Expired - Fee Related
-
2007
- 2007-10-15 CY CY20071101325T patent/CY1106932T1/el unknown
Non-Patent Citations (1)
Title |
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See references of WO2004103880A1 * |
Also Published As
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---|---|
ATE367352T1 (de) | 2007-08-15 |
WO2004103880A1 (de) | 2004-12-02 |
US20070012824A1 (en) | 2007-01-18 |
RU2318718C2 (ru) | 2008-03-10 |
CN100564218C (zh) | 2009-12-02 |
EP1628900B1 (de) | 2007-07-18 |
CA2546175C (en) | 2009-11-24 |
CA2546175A1 (en) | 2004-12-02 |
ES2290722T3 (es) | 2008-02-16 |
DE502004004373D1 (de) | 2007-08-30 |
US7677111B2 (en) | 2010-03-16 |
RU2005140099A (ru) | 2006-05-10 |
CY1106932T1 (el) | 2012-09-26 |
WO2004103880A8 (de) | 2006-06-29 |
BRPI0410567A (pt) | 2006-06-20 |
DE10323175A1 (de) | 2004-12-23 |
CN1852854A (zh) | 2006-10-25 |
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