WO2010089350A1 - Hubvorrichtung - Google Patents
Hubvorrichtung Download PDFInfo
- Publication number
- WO2010089350A1 WO2010089350A1 PCT/EP2010/051368 EP2010051368W WO2010089350A1 WO 2010089350 A1 WO2010089350 A1 WO 2010089350A1 EP 2010051368 W EP2010051368 W EP 2010051368W WO 2010089350 A1 WO2010089350 A1 WO 2010089350A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lifting
- lifting device
- lever
- main frame
- support frame
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/12—Lifts or other hoisting devices on ladders
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/28—Scaffolds primarily resting on the ground designed to provide support only at a low height
- E04G1/32—Other free-standing supports, e.g. using trestles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/34—Scaffold constructions able to be folded in prismatic or flat parts or able to be turned down
Definitions
- the present invention relates to a lifting device according to the preamble of claim 1.
- a ladder is one of the oldest and simplest devices.
- a ladder is usually sturdy, lightweight and inexpensive to manufacture. Their application for non-permanent activities, such as replacing a lamp, is almost indispensable and their use usually makes sense.
- the published patent application DE 4233648 A1 describes a foldable stepladder with two mutually parallel bars with a single, interposed ho horizontal rung with a mounted on the spars pivotable support.
- the rung is attached to the spars displaced parallel and communicates with a movement device in connection.
- the rung can also be connected to a carriage guided on or in the spars.
- An electric motor serves as a movement device for winding and unwinding a belt, which is connected to the rung.
- a spindle drive extending in the direction of the spars, driven by the electric motor, may also be provided for adjusting the sprouts.
- the movement device is designed so that it can move the entire weight of a user, whereby corresponding wear can occur. Furthermore, this results in a relatively high weight, whereby this commodity can be affected in the handling, a relatively high space requirement for storage and corresponding costs.
- the present invention seeks to provide a cheaper and lighter, as well as space-saving lifting device.
- this object is achieved by a lifting device having the features of patent claim 1.
- the object is also achieved by a lifting device with the features of claim 4.
- a simple, inexpensive and easy to transport and stowed lifting device which enables a user in a simple way on the lifting device (according to the individual body weight) with very little muscle power or completely without own To raise and lower muscle power yourself. It is possible for the user, after reaching the desired working height this as long as to maintain desired to perform any activities freely.
- a lifting device with a main frame; a support frame pivotally mounted thereto; and provided with a lifting carriage which is adjustably arranged on the main frame in its longitudinal direction and coupled to a movement device.
- the lifting device is characterized in that the lifting carriage is coupled via a lifting gear with an adjustable transmission ratio with the movement device, wherein the movement device is designed as a force storage element.
- the movement device can be designed as at least one lockable gas spring with a blockage in at least one direction.
- other power storage elements such as springs, can be used.
- the present invention over the approaches mentioned above has the advantage that only the gear ratio with relatively little force is changed to allow the approximately constant acting force of the energy storage element on the lifting with a user located thereon for raising and lowering to act accordingly ,
- the adjustable ratio can be formed continuously or with predetermined levels. It can be made manually, for example, by providing the adjustable ratio with an adjustment with weights. The user then performs manual adjustment based on its weight (plus tool, for example). It is also possible that the adjustability is effected by means of a servo motor. The user can also use a setting scale or a display based on its weight Adjustment by means of suitable control means for the servomotor.
- the screw jack with the adjustable gear ratio is designed as a lever mechanism. It comprises: a cross member which is connected to the main frame and the support frame; a lever rocker which is pivotally mounted on the crossbar; a coupling device which is arranged at one end of the lever rocker for coupling with the Hub- spill; and a totalsseinstell Rhein at the other end of the lever rocker for adjusting the transmission ratio of the Hubgetriebes and for coupling the lever rocker to the moving means.
- the configuredsseinstell Marie may have an actuating element which is arranged adjustable in the longitudinal direction of the lever rocker.
- the adjusting element for example, have a profile such as the lever rocker and surround this partially or completely from the cross-section ago.
- the actuator is slidably mounted on the lever rocker in the longitudinal direction, wherein predetermined positions are adjustable and can be locked, for example with bolts.
- the above-mentioned servo motor can be provided for adjusting the adjusting element, wherein additional means for locking a set position, such as brakes can be provided.
- the coupling device can be formed from at least one contact section, which is arranged on one end of the lever rocker, and at least one rolling and / or sliding section which can be brought into operative connection with the at least one contact section and which is connected to the lifting carriage.
- the at least one rolling and / or sliding section may have a first pressure roller.
- a roller allows low friction.
- the at least one rolling and / or sliding section has at least one first pressure roller and at least one second pressure roller arranged behind one another in a roller holder, wherein the roller holder is pivotally mounted on the lifting carriage such that either the at least one first pressure roller or the at least one second pressure roller or both can be brought into cooperation with the at least one contact section.
- the coupling device may have at least one Hubver josrungsgetriebe to increase a total stroke of the lifting.
- This Hubver josrungsgetriebe can be, for example, a lifting cylinder with a foot pump that can be operated by the user in a simple manner.
- Other Hubgetriebeart are of course possible. It may be provided that the Hubver micrungsgetriebe and the lifting form an integral unit.
- the lifting slide may have sliding and / or rolling elements with which it is arranged to be adjustable on the main frame in its longitudinal direction.
- the main frame may have at least one longitudinal strut with a profile cross-section, which rather corresponds to a sliding or rolling element of the lifting carriage.
- the lifting carriage may also be provided with a platform on which the user can stand. It is advantageous if this platform is mounted pivotably on the lifting carriage, since, when the lifting device collapses, - -
- the platform is also pivotable into a position, whereby the storage space of the lifting device is reduced.
- the main frame and the support frame are connected, for example by means of a hinged joint or hinge for easy folding for the purpose of transport and / or stowage.
- the crossbar can suitably connect the main frame and supporting frame for stabilization.
- it can be pivotally mounted with a first end of the truss on the main frame and with a second end of the truss, which is opposite the first end of the truss, slidably mounted on the support frame.
- a locking of the traverse on the support frame and / or main frame for locking the lifting device in the use position as well as in a stowed position can also be provided, for example in the form of a bolt, a hook or the like.
- the traverse can be guided with the other end with a guide holder with at least one guide element in at least one guide channel of the support frame slidably in the longitudinal direction.
- the at least one guide holder is pivotable with its one end with the crossbar.
- the guide holder can be coupled with its other end to the movement device, which can be realized for example by a simple plate on which the movement device is articulated.
- the traverse may be formed like a frame or with at least two cross members, being open in its inner longitudinal region. It can also have guide contours for guiding sliding elements with contours corresponding to the guide contours.
- the main frame can have a shelf in which the user can deposit his tool and / or his tools and parts.
- the lifting device may be provided with a weighing device for detecting a load on the lifting carriage.
- the scale device can be designed to display or / and generate an electrical signal corresponding to the detected load.
- the movement device can be designed as at least one blockable gas pressure spring with a blockage in at least one direction.
- the movement device can be actuated by suitable means by a user located on the lifting carriage (6).
- a Bowden cable for actuating the movement device can be attached as at least one lockable gas spring.
- the lifting device according to the invention allows a user easy handling. It is brought to the place of deployment in folded position, unfolded and arrested. The user sets the appropriate gear ratio as described above for various embodiments and enters the platform. He holds on to the lifting device with his hands and actuates, for example, the lockable gas spring, which initiates a stored force in the lifting gear.
- the user tightens upwards to the desired position with only slight muscle power on the lifting device, which can also have handles for example. After releasing the operation of the lockable gas spring in this position, this is blocked, thus maintaining the reached position of the lifting slide with the platform.
- the user actuates the gas spring again by releasing its blockage and retracts with low muscle power on the lifting device back down to the starting position, in which the user blocks the gas pressure spring, whereby the platform remains in the position reached.
- unlocking the lifting device for example, by unlocking the Traverse
- the user works together the lifting device in a simple manner and can stow them to save space.
- a fully automatic adjustment of the adjustable transmission ratio of the lifting gear can be provided, wherein the user is only on the platform, whereby the weighing device determines its weight and generates a corresponding signal, which is received by a control device, which then, for example Servomotor for the adjustable transmission ratio of the lifting gear adjusted accordingly.
- a control device which then, for example Servomotor for the adjustable transmission ratio of the lifting gear adjusted accordingly.
- This can be triggered by the user, for example, by operating a suitable actuator which actuates both the adjustment and the gas spring.
- An alternative, preferred lifting device comprises: a main frame as a stand; a support frame pivotally mounted thereto; and a platform movable relative to the main frame and support frame coupled to a moving means configured as a force storage member, the movable platform being coupled to the moving means via a jack gear having an adjustable gear ratio.
- the screw jack is designed with an adjustable gear ratio as a lever mechanism and has a lever rocker and a predominantlysseinstell noise, which is provided on the lever rocker for adjusting the transmission ratio of the Hubgetriebes and for coupling the lever rocker to the moving means.
- lever rocker is pivotally mounted with one end about a lever axis on the support frame or on the main frame. This creates a compact arrangement.
- the movable platform may be pivotally mounted on the lever rocker parallel to the main frame, thereby allowing a safe and comfortable positioning for a user.
- the lever rocker may have at its other end a lowering platform, which makes the user a comfortable and stable weight transfer possible.
- the support frame may be engageable with the main frame via a holding frame, wherein the holding frame is provided for laterally guiding the lever rocker.
- the movement device can be coupled to the support frame and is designed as at least one blockable gas tension spring with a blockage in at least one direction.
- the moving means may be engageable with the main frame. This can be done, for example, in that one end of the movement device can be brought into engagement with a setting section at a preselectable position.
- the movement device can be designed as at least one blockable gas pressure spring with a blockage in at least one direction.
- Fig. 1 is a perspective view of a first
- FIG. 2 is a perspective view of the embodiment of FIG. 1 in a raised
- FIG. 3 is a perspective view of the embodiment of FIG. 1 in a partially pivoted position
- Fig. 4 is a perspective view of the embodiment of Figure 1 in a fully folded position.
- Fig. 5 is a perspective view of the frame of
- FIG. 6 is an enlarged partial perspective view of a lifting carriage in a first embodiment
- 7 is an enlarged partial perspective view of a lifting carriage in a second embodiment
- FIG. 9 is a sectional view taken along line X-X of FIG.
- 10a is a perspective view of a second
- Fig. 11 is a perspective view of a third
- Embodiment of the lifting device according to the invention in a raised position Embodiment of the lifting device according to the invention in a raised position.
- Fig. 1 shows a perspective view of an embodiment of a lifting device 1 according to the invention in a position of use, in which the lifting device 1 unfolded stands independently stable on a floor.
- the lifting device 1 is here a ladder-like construction with a main frame 2 and a pivotally mounted thereto in a hinged joint 7 support frame 3.
- the main frame 2 has two parallel longitudinal struts 31 which are spaced from each other at a certain distance and at its upper end with a Headrest 32 and at its lower ends with a bottom brace 34 are connected. In In this example, they are additionally connected in the upper third with a transverse strut 33 in addition.
- the longitudinal struts 31 also have at their lower ends feet, for example made of rubber or plastic.
- a tray 35 in the form of a plate with compartments 36 is shown here, which serve for the storage of tools, work equipment and the like.
- the head brace 32 is provided with the hinged joint 7 to which the support frame 3 is attached.
- the bottom strut 34 is equipped with a crossbeam joint 8, which serves for the pivotable attachment of a traverse 4.
- the support frame 3 consists of two support struts 37, the upper ends of which are fastened to the hinged joint 7 (see also FIGS. 3 and 5).
- the support struts 37 extend approximately parallel to one another in the upper two-thirds of the support frame 3 at a relatively small distance, which here corresponds approximately to one third of the distance of the longitudinal struts 31 of the main frame 2, and spread in the lower third to V-shaped stand sections 38 apart to form a large support distance of their lower ends, which are also provided with rubber or plastic feet to allow as the feet of the main frame 2 a non-slip state.
- the main frame 2 and the support frame 3 are connected in their lower areas with the cross member 4.
- the cross member 4 is pivotally mounted with a first end of the truss 45 on the main frame and slidably mounted with a second end of the truss 46 on the support frame 3.
- the second end of the traverse 46 of the traverse 4 is in this position of use on a transverse connector 39 of the two support struts 37 between them, between which it is arranged displaceably in the longitudinal direction by means of a guide bracket 9.
- the guide holder 9 has for this purpose guide elements 41, which are guided in guide channels 40 on the support struts 37. The guide holder 9 will be explained in more detail below.
- the lifting carriage 6 has two side parts 23, which are connected to each other with a support strut 21 and a guide strut 22 at a distance.
- the side parts 23 are triangular with rounded corners, with their longitudinal sides parallel to the longitudinal struts 31.
- a respective roller 24 is rotatably mounted on the respective outer sides of the side parts 23, which rest on the longitudinal struts 31.
- each have a counter-pressure roller 25 is mounted so that in each case a longitudinal strut 31 between two rollers 24 and a counter-pressure roller 25 is arranged.
- the distance between the rollers 24 and 25 can also be made adjustable so that an easy running of the rollers 24, 25 can be achieved with a suitable clearance with minimal friction.
- the longitudinal struts 31 and the rollers 24 have mutually corresponding profiles, eg circular or oval profiles, whereby a side guide of the lifting carriage 6 and receiving transverse forces is achieved.
- the lifting carriage 6 is equipped with a platform 26 which is pivotally mounted in a platform axis 27 on the side members 23 to save space when folding of the main frame 2 and support frame 3 and to prevent bulkiness of the lifting device 1.
- the screw jack 5 is constructed as a lever mechanism in the manner of a rocker and has the traverse 4, on which a lever rocker 13 is pivotally mounted in a lever axis 15.
- the traverse 4 is in this example of two parallel to each other at a narrow distance
- Traverse elements 44 constructed with respective first and second truss ends 45 and 46. In the Deten interior with the narrow distance the lever rocker 13 is arranged.
- the screw jack 5 further comprises a coupling device 11, which is arranged at one end of the lever rocker 13 for coupling with the lifting slide 6, and a predominantlysseinstell noise 12 at the other end of the lever rocker 13 for setting a gear ratio of the lifting gear 5 and for coupling the lever rocker 13 a movement device 10.
- the coupling device 11 is formed of a contact portion 19 which is disposed on the one end of the lever rocker 13, and a first pressure roller 20 which cooperates with the contact portion 19 and which is rotatably mounted on the support strut 21 of the lifting carriage 6.
- the The Tinsseinstell 180 includes an actuating element 14 which is positively applied to the lever rocker 13 and slidably mounted on it. It can be moved to different positions on the lever rocker 13 by means of a suitable, not shown adjusting device, for example dial with scale of weight, and fixed in the respective position. These settings can be made stepless or in stages. An adjustment with servomotor, hydraulic and / or pneumatic cylinders or the like is possible. In the different positions, different, adjustable lever arms with respect to a force of a movement device 10, which acts via the adjusting element 14 via a force introduction axis 16 result.
- the movement device 10 in this example is a force storage element in the form of a blockable gas pressure spring, which has one end in the force introduction axis 16 on the adjusting element 14 and at the other end via a fastening Transmission plate 42 is fixedly hinged to the support frame 3.
- a user located on the platform of the lift carriage 6 has previously adjusted the ratio setting means 12 with respect to its weight and can control the movement means 10 via an appropriate actuator (not shown) by canceling the blockage of the lockable gas spring.
- the lever rocker 13 By releasing the blocking of the gas spring, the lever rocker 13 is moved to the lever axis 15 down, whereby this movement is transmitted through the coupling device 11 of the lever rocker 13 in an upward linear movement of the lifting carriage 6 along the longitudinal struts 31.
- the user blocks the blockable gas pressure spring, wherein the position of the lifting carriage 6 is maintained.
- the user can pull up on the longitudinal struts 31 of the main frame with little effort and pull down in the downward movement, and it releases in the downward movement of the gas spring according to and blocked again.
- FIG. 2 shows a perspective view of the embodiment of FIG. 1 in a raised position of the lifting 6.
- FIG. 3 shows a perspective view of the embodiment of FIG. 1 in a partially pivoted - -
- FIG. 4 shows a perspective view of the embodiment according to FIG. 1 in a completely folded position, in the so-called stowage position. From Fig. 4 it can be seen that the lever rocker 13 is almost completely received between the truss elements 44. In this stowed position, the lifting device 1 is extremely space-saving and easy to transport.
- FIG. 5 is a perspective view of frames of the embodiment of FIG. 1, showing here the main frame 2, the support frame 3 and the cross member 4.
- the support struts 37 are mounted on their opposite sides each with a guide channel 40 for the guide bracket 9 of the cross member 4 and the movement device 10.
- This hinged, ladder-like construction of the lifting device 1 may be lightweight, for example, aluminum, injection molded parts, fiber composite components (e.g., carbon fiber composite or the like). As a result, the lifting device 1 is extremely light and suitable for households, but also for other applications.
- Fig. 6 is an enlarged partial perspective view of the lifting carriage 6 is illustrated in a first embodiment of FIG. 1. It can be clearly seen that the rollers 24, 25 are profiled. The pivotable about the platform axis 27 bare platform 26 is pivoted in the position of use, wherein it rests on pads, not shown. The platform 26 is provided with a central recess, which faces the support frame 3, to make room for the lifting gear 5.
- Fig. 7 shows an enlarged partial perspective view of the lifting carriage 6 in a second embodiment.
- a roller holder 28 is mounted on both sides of the first pressure roller 20 on the support strut 21 of the lifting carriage 6 about this pivotally and extends toward the end of the lever rocker 13.
- a second pressure roller 29 with a rotation axis parallel to the axis of rotation, ie the support strut 21, the first pressure roller 20 is arranged.
- the second pressure roller 29 is in this position of the roller holder 28 as well as the first pressure roller 20 with the contact portion 19 of the lever rocker 13 in contact.
- the free end of the roller holder 28 is also provided with a projection extending approximately perpendicularly to the longitudinal axis of the roller holder 28, which protrudes beyond the recess 26 of the platform 26. If the user, who is located on the platform 26, encounters this projection, the first pressure roller 20 can be released from the contact section 19, in which case only the second pressure roller 29 is in contact with the contact section 19 and a so-called output lever arm, ie a distance from the point of contact of the second roller 29 with the lever rocker 13 to the lever axis 15 of the lifting gear 5 (see also Figs. 1 and 2) is increased. This ensures that the influence of the weight of the user outweighs and moves the lifting 6 after in the stroke direction 30 downward.
- Fig. 8 is a perspective view of the guide bracket 9 is shown.
- the guide holder 9 has two guide elements 41 (see also FIG. 1), each of which has a lower end in a crossbar axis 18 with the second crossbar end 46 of the crossbeam 8, here with a respective second crosshead. ten truss end 46 of the truss elements 44, are pivotally connected.
- the upper ends of the guide members 41 are connected to the mounting plate 42.
- the fastening plate 42 is formed in its thickness so that it is guided together with the guide elements 41 in the guide channels 40 of the support struts 37 of the support frame 3.
- the upper end of the movement device 10 here a gas spring, pivotally mounted in a mounting axis 17.
- the mounting plate 42 is provided in its upper portion on both sides with a lock 43.
- the lock 43 is here a bolt which cooperates with not shown recesses in the support struts 37 in the stowed position and the position of use of the lifting device 1 for locking the same.
- Fig. 9 shows a sectional view taken along line X-X of FIG. 1 with view of the second truss end 46.
- the cross member 4 is formed as a profile rail.
- the support struts 37 have a slot profile and are provided on the mutually facing sides each with a U-shaped guide channel 41.
- the lifting device 1 is in the ideal state when used in power balance with the user. If the user wishes to be raised, the lever ratio, ie the transmission ratio, is changed by an externally supplied energy or by the user himself, so that the force introduced by the movement device 10 predominates in the lifting gear 5 and the lever mechanism outweighs the movable lifting carriage 6 moved upward in the lifting direction 30. If the user wants to be lowered, then again only the energy from the outside to change the transmission ratio of the lifting gear 5, that now outweighs the weight of the user and this moves with the lifting 6 in the stroke direction 30 downward. The externally supplied energy does not move the lifting carriage 6 and the chen users, but only causes the ratio of the lifting gear 5 is changed. The movements of the user on the lifting carriage 6 relative to its surroundings are effected solely and solely by a deliberately induced imbalance of forces in the lever / lifting gear 5.
- FIG. 10a shows a perspective view of a second embodiment of the lifting device 1 according to the invention in a position of use, and FIG. 10b illustrates the raised position for this purpose.
- the main frame 2 is designed as a subframe with two longitudinal longitudinal members 55 and serves as a stand for standing on the ground for the
- the longitudinal posts 56 are connected at one end by a Lagerquersterst 56 and each at the other end by a cross bar 58.
- the bearing cross member 56 here has the hinged joint 7, on which the support frame 3 is mounted pivotably.
- the support frame 3 has two parallel support struts 37, which are connected at its upper end with a head strut 32 and at other locations with struts.
- a holding frame 50 is pivotably connected to two holding struts 51 in a fixing axis 17.
- the lower ends of the retaining struts 51 are brought in non-illustrated fasteners with the longitudinal posts 55 in reversible engagement.
- a lever rocker 13 is arranged, which is fastened with one end to the support frame 3 in a lever axis 15 in the lifting direction 30 pivotally.
- the lever rocker 13 has two mutually parallel swing struts 47, which are interconnected with unspecified transverse parts at different locations.
- the adjusting element 14 is, for example, a bolt which can be inserted and locked by two aligned adjusting openings 60 (not shown in detail), this bolt forming a force introduction axis 16 for the movement device 10.
- the movement device 10 is, as already described above, here a controllable throttle cable spring. It is pivotally connected to the actuator 14 with its lower end. With its other end, it is hinged to the support frame 3 in the mounting axis 17 pivotally.
- a platform 26 is pivotally mounted in a platform axis 27. Between the platform 26 and the free end of the lever rocker 13 a lowering platform 48 is fixedly attached to the swingarm struts 47.
- the platform 26 is connected on its underside with at least one platform coupling portion 49, which is triangular here and has a coupling axis 54 at its lower tip.
- a parallel rocker arm 52 is pivoted at one end to the platform coupling section 49 and thus to the platform 26.
- the other end of the parallel rocker 52 is mounted below the lever axis 15 on the support frame 3 so as to be pivotable about a parallel rocker axis 53.
- Platform 26 and lowering platform 48 form a lifting gear 5, which acts on the lever law, wherein a lever arm is formed by between the lever axis 15 and the force introduction axis 16. Another lever arm is formed between the lever axis 15 of the center of gravity of a user located on the platform 26 and lowering platform 48.
- the moving means 10 also operates as explained above. He is pivoted with the lever rocker 13 by the movement means 10 about the lever axis 15 upwards in the stroke direction 30.
- the platform 26 is constantly guided parallel to the ground by means of the parallel rocker 52.
- the lever rocker 13 pivots between the support struts 51 and is guided by these. These support struts 51 and the head strut 32 may serve as handles for the user.
- the user blocks the movement device 10.
- the lifting device 1 the user shifts his weight toward the free end of the lever rocker 13, the lowering platform 48 serving as a support for his feet by the user places himself on this lowering platform 48. Then the user releases the movement device 10 and is lowered by his weight shift, which has a lever ratio on the screw jack 5, down.
- a folding for storage of the lifting device 1 is effected in that first the retaining struts 51 are brought out of engagement with the longitudinal posts 55 with their lower ends. Then, the support struts 51 are pivoted clockwise about the attachment axis 17 to the support frame 3 adjacent to the support struts 37, respectively. A locking device, not shown, for safety against folding down of the support frame 3 is released, and the support frame 3 can be pivoted about the folding joint 7 on the main frame 1, wherein the lever rocker 13 is located therebetween.
- the movement device 10 can be easily decoupled, for example, on the lever rocker 13. Then the collapsed, flat lifting device 1 is space-saving stowed.
- Fig. 11 shows a perspective view of a third embodiment of the lifting device 1 according to the invention in a raised position.
- the main frame 2 is designed with only one longitudinal stand 55, the ends of which are respectively connected to the Lagerquersterst 56 and the cross bar 58, which are mounted transversely to the longitudinal axis of the longitudinal stand 55 thereto ,
- the Lagerquersterst 56 is provided with two standing on it short supports, which have the folding joint 7 and the lever axis 15. From Lagerquerformatr 56 outgoing on both sides of the longitudinal stand 55 is in each case a bearing carrier 57 for the parallel pivot axis 53 is provided, these two bearing support 57 are formed about only a quarter of the length of the longitudinal stand 55 long.
- the support frame 3 with the support struts 37 and the attachment axis 17 is pivotably mounted and lockable by means of a not shown, but easily imaginable locking device.
- the support struts 37 are connected at their free ends with a handle 61.
- the support frame 3 serves as a kind of holding device for the user to hold on the handle 61st
- the lever rocker 13 has the translation adjusting device 12 with not shown in detail actuating element 14 for cooperation with various engagement positions of the lever rocker 13 and the movement device 10. It can the
- Movement device 10 may be formed here as at least one lockable gas spring. It is coupled, for example with its cylinder or with a pipe connected to it with the actuator 14. Its lower end is engageable with the main frame 2 in a support axle 62 with a parking section 59 on and / or on the longitudinal stand 55 in engagement. A position of this intervention can len of the lifting device 1 on the basis of specifications, eg depending on the weight of the user and / or a lifting height, are selected.
- the parallel rocker 52 consists of two parts here.
- the raising and lowering actuation function is as described in the second embodiment.
- the locking device (not shown) to solve and bring the moving means 10 out of engagement with the adjusting portion 59.
- the movement device 10 can then advantageously be taken out of the translation setting device 12 simply with or out of the setting element 14. Then the support frame 3 on the main frame 2 is pivotable about the folding joint 7, wherein the lever rocker 13 is located therebetween.
- An embodiment of the lifting device 1 is characterized in that the coupling device 11 of at least one contact portion 19 which is arranged on one end of the lever rocker 13, and at least one cooperating with the at least one contact portion 19 rolling and / or sliding portion, which with the Lifting 6 is connected, is formed.
- a further embodiment is characterized in that the at least one rolling and / or sliding section has a first pressure roller 20.
- the at least one rolling and / or sliding section has at least one first pressure roller 20 and at least one second pressure roller 29 arranged behind one another in a roller holder 28, wherein the roller holder 28 is pivotally mounted on the lifting carriage 6 such that in that the at least one first pressure roller 20 and / or the at least one second pressure roller - -
- Another embodiment is characterized in that the coupling device 11 has at least one Hubveriererungsgetriebe to increase a total stroke of the lifting carriage 6.
- Yet another embodiment is characterized in that the Hubver sparungsgetriebe and the lifting 6 form an integral unit.
- Another embodiment is characterized in that the lifting slide 6 has sliding and / or rolling elements, with which the lifting slide 6 is arranged on the main frame 2 in the longitudinal direction adjustable.
- main frame 2 has at least one longitudinal strut 31 with a profile cross section which corresponds to a sliding or rolling element of the lifting carriage 6.
- a further embodiment is characterized in that the traverse 4 is pivotally mounted on the main frame 2 with a first end of the truss 45 and slidably mounted on the support frame 3 with a second end of the truss 46.
- a still further embodiment is characterized in that the traverse 4 is displaceably guided with the second traverse end 46 with a guide holder 9 with at least one guide element 41 in at least one guide channel 40 of the support frame 3 in its longitudinal direction.
- At least one guide holder 9 is pivotably connected at one end to the cross member 4 and at the other end to the movement device 10.
- a further embodiment is characterized in that the at least one guide holder 9 has a detent 43 for locking on the support frame 3.
- traverse 4 is formed like a frame or with at least two truss elements 44, wherein it is open in its inner longitudinal region.
- traverse 4 has guide contours for guiding sliding elements with contours corresponding to the guide contours.
- cross member 4 has at least one lock for locking the cross member 4 on the support frame 3.
- Yet another embodiment is characterized in that the main frame 2 has at least one tray 35.
- a still further embodiment is characterized in that the movement device 10 is designed as at least one lockable gas spring or as at least one lockable gas spring with a block in at least one direction and can be actuated by a user located on the lifting 6 by suitable means.
- the invention is not limited to the special lifting devices shown in the figures.
- the coupling device 11 has additional lateral guide elements, for example in the form of rollers, which form a precise guide of the pressure roller 20 and 29 on the contact portion 19 of the lever rocker 13.
- additional lateral guide elements for example in the form of rollers, which form a precise guide of the pressure roller 20 and 29 on the contact portion 19 of the lever rocker 13.
- pressure rollers 20 and 29 and sliding elements can be used in a suitable sliding pair corresponding to the material of the contact portion 19.
- the balance device Upon entering the platform 26 by the user, the balance device can be automatically switched on, for example by a pressure sensor or switch.
- the lowering platform 48 can also be guided parallel to the lever rocker 13 by means of the parallel rocker arm 52, which may, for example, also have further parallel parallel rockings, corresponding to the platform 25.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Handcart (AREA)
- Ladders (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112010000776T DE112010000776A5 (de) | 2009-02-05 | 2010-02-04 | Hubvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910000636 DE102009000636A1 (de) | 2009-02-05 | 2009-02-05 | Hubvorrichtung |
DE102009000636.2 | 2009-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010089350A1 true WO2010089350A1 (de) | 2010-08-12 |
Family
ID=42236701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/051368 WO2010089350A1 (de) | 2009-02-05 | 2010-02-04 | Hubvorrichtung |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102009000636A1 (de) |
WO (1) | WO2010089350A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107285246A (zh) * | 2017-07-31 | 2017-10-24 | 艾斯特国际安全技术(深圳)有限公司 | 一种可调节平衡装置的通关验证设备 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112411974A (zh) * | 2020-11-20 | 2021-02-26 | 苏州龙骐自动化科技有限公司 | 一种建筑工程安装用自动化辅助装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB818493A (en) * | 1956-08-28 | 1959-08-19 | Access Equipment Ltd | Improvements in or relating to mobile working platforms |
DE4233648A1 (de) | 1992-10-06 | 1994-04-07 | Werner Dipl Ing Isfort | Stehleiter |
DE10201965A1 (de) * | 2002-01-19 | 2003-07-31 | Eisele Bruno | Vorrichtung zum Zurücklegen von Wegstrecken |
US6997424B2 (en) * | 2003-03-18 | 2006-02-14 | Atkinson Jr Ronald Neil | Lifting apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB943974A (en) * | 1961-07-22 | 1963-12-11 | Leonard Evans | A mobile lift |
US3428145A (en) * | 1967-10-02 | 1969-02-18 | Harry C Lyon | Elevator for extension ladders |
US3476212A (en) * | 1968-06-24 | 1969-11-04 | William V Eakins | Combination stepladder and vertically movable platform |
SE9600448D0 (sv) * | 1996-02-07 | 1996-02-07 | Peter Hoyaukin | Anordning med en höj- och sänkbar arbetsplattform |
US7370725B1 (en) * | 2005-01-03 | 2008-05-13 | Gary R Dornfeld | Motorized rungless ladder |
-
2009
- 2009-02-05 DE DE200910000636 patent/DE102009000636A1/de not_active Ceased
-
2010
- 2010-02-04 DE DE112010000776T patent/DE112010000776A5/de not_active Withdrawn
- 2010-02-04 WO PCT/EP2010/051368 patent/WO2010089350A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB818493A (en) * | 1956-08-28 | 1959-08-19 | Access Equipment Ltd | Improvements in or relating to mobile working platforms |
DE4233648A1 (de) | 1992-10-06 | 1994-04-07 | Werner Dipl Ing Isfort | Stehleiter |
DE10201965A1 (de) * | 2002-01-19 | 2003-07-31 | Eisele Bruno | Vorrichtung zum Zurücklegen von Wegstrecken |
US6997424B2 (en) * | 2003-03-18 | 2006-02-14 | Atkinson Jr Ronald Neil | Lifting apparatus |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107285246A (zh) * | 2017-07-31 | 2017-10-24 | 艾斯特国际安全技术(深圳)有限公司 | 一种可调节平衡装置的通关验证设备 |
Also Published As
Publication number | Publication date |
---|---|
DE102009000636A1 (de) | 2010-08-19 |
DE112010000776A5 (de) | 2012-07-26 |
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