WO1999023025A1 - A crane with variable positioning which can be mounted on a vehicle, and the vehicle on which the crane is mounted - Google Patents

A crane with variable positioning which can be mounted on a vehicle, and the vehicle on which the crane is mounted Download PDF

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Publication number
WO1999023025A1
WO1999023025A1 PCT/IB1998/001739 IB9801739W WO9923025A1 WO 1999023025 A1 WO1999023025 A1 WO 1999023025A1 IB 9801739 W IB9801739 W IB 9801739W WO 9923025 A1 WO9923025 A1 WO 9923025A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
cab
crane
vehicle
fixed
Prior art date
Application number
PCT/IB1998/001739
Other languages
French (fr)
Inventor
Guelfo Ganzarolli
Original Assignee
Effer S.P.A.
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 Effer S.P.A. filed Critical Effer S.P.A.
Priority to AU95550/98A priority Critical patent/AU9555098A/en
Publication of WO1999023025A1 publication Critical patent/WO1999023025A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors

Definitions

  • a crane with variable positioning which can be mounted on a vehicle, an the venicle on which the crane is mounted.
  • the present invention relates to a crane which can be mounted on a mobile vehicle.
  • the present invention also relates to a vehicle on which the crane wnich is the subject matter of the nresent invention is mounted
  • the present invention relates to a crane for mounting on vehicles which has the characteristics described in claim 1.
  • a crane for mounting on vehicles which has the characteristics described in claim 1.
  • the present invention also relates to a vehicle according to claim 12
  • Figure 1 is a si ⁇ e view of a truck mounting the crane according to the preferred embodiment of the present invention, in the upright position m which it is not tilted;
  • Figure 2 is a side view of the comp in Figure 1, with the crane according to the preferred emDodiment of the present invention tilted to the folded down position;
  • Figure 3 is a side view of the zone of the truck m which the crane is positioned, illustrating details of the crane;
  • Figure 4 is a top view of the support base of the crane and the fixed- frame only
  • the present preferred embodiment of the crane may be mounted on a special vehicle A, for example, as is clearly illustrated m Figures 1 and 2, a truck with a cab C and a support chassis which defines a bed P extending behind the cab C and obtained from at least a plurality of longitudinal members (only one of which is illustrated, labelled 1 and corresponding cross-members (not illustrated) .
  • a truck with a cab C and a support chassis which defines a bed P extending behind the cab C and obtained from at least a plurality of longitudinal members (only one of which is illustrated, labelled 1 and corresponding cross-members (not illustrated) .
  • the crane comprises an arm for lifting loads (labelled B as a whole in the figures), which has an extension 5 for lifting the load, it being possible to extend and retract the extension, and a part which supports the lifting part 5, consisting of a load-bearing column 4 extending at least partly substantially vertically and parallel with tne lifting part 5 of the arm, which it supports directly, and a lower base 3 for fixing the crane to the chassis 1 of the truck to which the load-bearing column 4 is connected by a rack R, illustrated in Figure .
  • the numeral 2 indicates a fixed-frame of tne crane which is stably fixed to the truck chassis 1 and which defines the means for making the crane integral with the chassis 1 or the vehicle
  • tne fixed-frame 2 consists of at least a first and a second longitudinal section 2a, 2b, positioned opposite one another, and between which the lower support plate 3 is located, and to which the support plate is suitably connected m a way more clearly described below.
  • the arm B of the present preferred embodiment also nas a home operating condition (illustrated m Figures 1 and 3) , in whicn at least the lifting part 5 of the arm _s retracted and in which tne upper portion of the lifting part 5 and corresponding support column 4 are upright and higher than the ⁇ pper edge H of the can C (illustrated in Figure 1) .
  • the present preferred emDo ⁇ iment advantageously envisages connection of the arm B to the vehicle chassis 1 m such a way that tne arm is mobile, using suitable rotary means for connecting the arm B to the fixed- frame 2.
  • the above-mentioned rotary connecting means consist of a hinge connection obtained by inserting a first and second rotation pin 13 at a respective lateral section 2a, 2b of the fixed-frame 2, Det een corresponding holes m the support base 3 and fixed- frame 2 fixed to the vehicle chassis 1.
  • a configuration of the connecting means between the arm and the fixed-frame 2 allows the complete tilting, with a rotation substantially equalling 90 s m a perpendicular longitudinal plane, of the arm B which, with its support column 4, as illustrated in Figure 2, comes to rest on a front portion of the fixed-frame 2c (illustrated in Figure 4), so that it is parallel with the bed P of the truck.
  • the top of the support column 4 has a plate 15, or other contact means designed to rest (as illustrated m Figure 2) on a plate 16, or similar means, located on the part 2c of the fixed- frame.
  • a locking bolt illustrated with a dashed line and labelled 17 in Figure 2 , is inserted in corresponding holes made m the acove-mentioned plates 15 and 16 to secure the arm B to the vehicle chassis during transportation
  • a .inear actuator in the form of a hydraulic cylinder 6 with a mobue rod 7 is used to move the arm B in the home condition Between the upright position, in which the arm B is higher than the upper edge H of the vemcle cab C, and the folded down position, n wnich the arm B m the home condition s completely below tne upper edge H of the cab C.
  • the nydraulic cylinder extends on a longitudinal side of the lifting arm B and is connected at one end to the fixed-frame by an eyelet portion 6a which may be positioned, with the possibility of sliding in rotation, on a cylindrical projection 8 extending from a lug 9 which projects upwards from the section 2a of the fixed- frame Moreover, the front end of the rod 7 of the hydraulic cylinder is, in turn, connected to the support plate 3, by a respective eyelet portion 7a which is positioned, with the possibility of sliding in rotation, on a corresponding cylindrical projection 10 extending from a lug 11 on the plate 3, which, when the arm is in the normal home condition, extends upwards from the support base 3 and is distanced, m the rear longitudinal direction, from the lug 9 for fixing the other end of the cylinder 6 to tne fixed-frame 1.
  • the projection 10 represents a point for connection to the base 3 which is at a distance from the point 13 at which the support base 3 is pivoted to the fixed-frame 2 such that, when the rod 7 is extended outside the cylinder, the arm B can be tilted from the upright home position to the folded down transportation position and, vice versa, py shortening the rod, that is to say, causing tne rod 7 to return into the cylinder, the arm B is repositioned in the upright home position.
  • the present preferred embodiment envisages a first and a second pm 12, which may be inserted between corresponding holes 12p and, respectively, 12c, on tne support base 3 and fixed-frame 2, to prevent rotation of the support base 3 relative to the fixed-frame 2.
  • the arm B With the pins inserted, the arm B can operate normally without any risk of tilting.
  • the arm B is free to tilt, rotating through an angular trajectory illustrated, by way of example, with a dashed line labelled 14 m Figure 3, and, by simply extending the nydraulic cylinder, can oe folded down so that it is lower than the top of the cab
  • the pins 12 in particular, have tne shape of a cylindrical stem 12' with an enlarged cylindrical head 12'' inserted m the holes 12p and 12c to block rotation.
  • the pins are housed m cylindrical bushings 12b m the fixed- frame.
  • the present crane may be mounted on any type of vehicle, even other than the truck illustrated, such as trolleys, crane trucks and others.

Abstract

A load-lifting crane which may be mounted on a vehicle (A), the vehicle (A) having a cab (C) and a support chassis (1) defining a bed (P) which extends behind the cab (C). The crane comprising, behind the cab (C), an extending and retractable load-lifting arm (B), which has a home operating condition, in which the arm (B) is retracted, with at least one portion being higher than the cab (C). Means are envisaged for connecting the arm (B) to the vehicle chassis (1) in such a way that the arm is mobile, and means (6, 7) designed to move the arm (B) in the home condition between the upright position, in which the arm (B) is higher than the vehicle cab (C), and a folded down position in which the arm (B) in the home condition is completely below the top of the cab (C).

Description

Description
A crane with variable positioning which can be mounted on a vehicle, an the venicle on which the crane is mounted.
Technical Field
The present invention relates to a crane which can be mounted on a mobile vehicle. The present invention also relates to a vehicle on which the crane wnich is the subject matter of the nresent invention is mounted
Backσround Art
A problem whicn affects vehicles in general, and m particular trucks on which such types of cranes are mounted, is the excessive neight of the cranes when m the home condition.
In fact, m the home condition, such cranes extend beyond the upper edge of the truck cab. This is a problem, for example, when the truck is to be transported in limited spaces, for example the cargo hold of a transport plane.
Various solutions have already been devised to reduce the dimensions during transit. The solutions currently known envisage, in particular, a reduction m the length of the crane mobile arm and relative load-bearing column, by folding or telescoping.
As well as being very complex, to avoid excessively limiting the working length of the crane, such known solutions maintain an excessive height above the upper edge of the crane truck.
Disclosure of the Invention
The present invention relates to a crane for mounting on vehicles which has the characteristics described in claim 1. By providing means for connecting the arm to the chassis of the vehicle m such a way that the arm is mobile and means designed to move the arm m the home condition between the upright position, m which the arm is higher than the vehicle cab, and a folded down position, m which the arm in the home condition is completely below a reference edge, in particular an upper edge, of the venicle cab, it is possible to reduce the dimensions of the vehicle which mounts such a crane, which may be transported in this configuration even n means of transport with very limited cargo space.
The secondary claims refer to further advantageous aspects of the present invention.
The present invention also relates to a vehicle according to claim 12
Furtner technical characteristics and the relative advantages of the present invention are described in detail below with reference to the accompanying drawings, which illustrate a preferred embodiment, without limiting the scope of its application, and m which.
Figure 1 is a siαe view of a truck mounting the crane according to the preferred embodiment of the present invention, in the upright position m which it is not tilted;
Figure 2 is a side view of the truc in Figure 1, with the crane according to the preferred emDodiment of the present invention tilted to the folded down position;
Figure 3 is a side view of the zone of the truck m which the crane is positioned, illustrating details of the crane;
Figure 4 is a top view of the support base of the crane and the fixed- frame only
The present preferred embodiment of the crane may be mounted on a special vehicle A, for example, as is clearly illustrated m Figures 1 and 2, a truck with a cab C and a support chassis which defines a bed P extending behind the cab C and obtained from at least a plurality of longitudinal members (only one of which is illustrated, labelled 1 and corresponding cross-members (not illustrated) . itn reference also to Figures 2 to 4, the position of the crane on the bed P, behind the cab C, can be seen. The crane comprises an arm for lifting loads (labelled B as a whole in the figures), which has an extension 5 for lifting the load, it being possible to extend and retract the extension, and a part which supports the lifting part 5, consisting of a load-bearing column 4 extending at least partly substantially vertically and parallel with tne lifting part 5 of the arm, which it supports directly, and a lower base 3 for fixing the crane to the chassis 1 of the truck to which the load-bearing column 4 is connected by a rack R, illustrated in Figure .
In Figures 1 to 4 the numeral 2 indicates a fixed-frame of tne crane which is stably fixed to the truck chassis 1 and which defines the means for making the crane integral with the chassis 1 or the vehicle
As illustrated m Figure 4, tne fixed-frame 2 consists of at least a first and a second longitudinal section 2a, 2b, positioned opposite one another, and between which the lower support plate 3 is located, and to which the support plate is suitably connected m a way more clearly described below.
As well as the normal operating condition, m which it extends to lift and move loads, the arm B of the present preferred embodiment also nas a home operating condition (illustrated m Figures 1 and 3) , in whicn at least the lifting part 5 of the arm _s retracted and in which tne upper portion of the lifting part 5 and corresponding support column 4 are upright and higher than the αpper edge H of the can C (illustrated in Figure 1) . The present preferred emDoαiment advantageously envisages connection of the arm B to the vehicle chassis 1 m such a way that tne arm is mobile, using suitable rotary means for connecting the arm B to the fixed- frame 2.
The above-mentioned rotary connecting means consist of a hinge connection obtained by inserting a first and second rotation pin 13 at a respective lateral section 2a, 2b of the fixed-frame 2, Det een corresponding holes m the support base 3 and fixed- frame 2 fixed to the vehicle chassis 1.
Sucn a configuration of the connecting means between the arm and the fixed-frame 2 allows the complete tilting, with a rotation substantially equalling 90s m a perpendicular longitudinal plane, of the arm B which, with its support column 4, as illustrated in Figure 2, comes to rest on a front portion of the fixed-frame 2c (illustrated in Figure 4), so that it is parallel with the bed P of the truck.
In particular, as illustrated m Figures 1 and 2, m the home condition, the top of the support column 4 has a plate 15, or other contact means designed to rest (as illustrated m Figure 2) on a plate 16, or similar means, located on the part 2c of the fixed- frame. A locking bolt, illustrated with a dashed line and labelled 17 in Figure 2 , is inserted in corresponding holes made m the acove-mentioned plates 15 and 16 to secure the arm B to the vehicle chassis during transportation
A .inear actuator, in the form of a hydraulic cylinder 6 with a mobue rod 7 is used to move the arm B in the home condition Between the upright position, in which the arm B is higher than the upper edge H of the vemcle cab C, and the folded down position, n wnich the arm B m the home condition s completely below tne upper edge H of the cab C.
The nydraulic cylinder extends on a longitudinal side of the lifting arm B and is connected at one end to the fixed-frame by an eyelet portion 6a which may be positioned, with the possibility of sliding in rotation, on a cylindrical projection 8 extending from a lug 9 which projects upwards from the section 2a of the fixed- frame Moreover, the front end of the rod 7 of the hydraulic cylinder is, in turn, connected to the support plate 3, by a respective eyelet portion 7a which is positioned, with the possibility of sliding in rotation, on a corresponding cylindrical projection 10 extending from a lug 11 on the plate 3, which, when the arm is in the normal home condition, extends upwards from the support base 3 and is distanced, m the rear longitudinal direction, from the lug 9 for fixing the other end of the cylinder 6 to tne fixed-frame 1.
For the extending and retractable linear actuator, the projection 10 represents a point for connection to the base 3 which is at a distance from the point 13 at which the support base 3 is pivoted to the fixed-frame 2 such that, when the rod 7 is extended outside the cylinder, the arm B can be tilted from the upright home position to the folded down transportation position and, vice versa, py shortening the rod, that is to say, causing tne rod 7 to return into the cylinder, the arm B is repositioned in the upright home position.
The present preferred embodiment envisages a first and a second pm 12, which may be inserted between corresponding holes 12p and, respectively, 12c, on tne support base 3 and fixed-frame 2, to prevent rotation of the support base 3 relative to the fixed-frame 2. With the pins inserted, the arm B can operate normally without any risk of tilting. If the pins 12 are removed from the holes, the arm B is free to tilt, rotating through an angular trajectory illustrated, by way of example, with a dashed line labelled 14 m Figure 3, and, by simply extending the nydraulic cylinder, can oe folded down so that it is lower than the top of the cab As illustrated in Figure 4, the pins 12, in particular, have tne shape of a cylindrical stem 12' with an enlarged cylindrical head 12'' inserted m the holes 12p and 12c to block rotation. The pins are housed m cylindrical bushings 12b m the fixed- frame.
The present crane may be mounted on any type of vehicle, even other than the truck illustrated, such as trolleys, crane trucks and others.

Claims

Claims
1) A load-liftmg crane which can be mounted on a vehicle (A) , said venicle (A) having a cab (C) and a support chassis (1) defining a bed (P) extending from the cab (C) , the crane comprising a load-lifting arm (B) of the extending and retractable type, having a home operating condition, m which the arm (B) is retracted, with at least one portion being higher than an upper reference edge of the cab (C) , the crane being characterised m that it envisages means for connecting the arm (B) to the vehicle cnassis (1) in such a way that the arm is mobile, and being cnaracteπsed m that means (6, 7) are envisaged for moving the arm (B) between the upright home position, n which the arm (B) is nigher than an upper reference edge of the vehicle cab (C) , and a folded down position in which the arm (B) m the home condition is completely below the upper reference edge of the cab (C) .
2 The crane according to claim 1, characterised in that, m the folded down position, the arm (B) tilted to the home position is parallel with the bed (P) of the vehicle
3 The crane according to any of the foregoing claims, cnaracteπsed in that the means for the mobile connection of the arm (B) to the vehicle cnassis consist of means (10) for the rotary connection of the arm (B) to the vehicle chassis (1), allowing the arm (B) to be tilted from an upright home position, in which it higher than the top of the cab (C) , to the folded down position, m which it lies below the top of the cab (C) .
4 The crane according to claim 3 , characterised m that the arm comprises an extending and retractable load-lifting part (5) and a support part for the lifting part (5) , the support part for the lifting part (5) comprising a load-bearing column (4) extending substantially vertically and parallel with the lifting part (5) of the arm and a lower base (3), the latter being integral with the load-bearing column (4), and the crane being characterised m that means (2) are envisaged, t being possible to make the latter integral with the vehicle chassis (1) , for fixing the crane to the vehicle chassis (1) , and being characterised m that the rotary connecting means (10) are located between the lower support base (3) and the fixed- rame (2) which is fixed to the support chassis (1) .
5 The crane according to claim 4, characterised in that the rotary connecting means consist of at least one rotation pin (13), said pm being inserted between corresponding holes m the support oase (3) and the fixed-frame (2) fixed to the vehicle chassis (1)
6 The crane according to any of the foregoing claims from 3 to 5 characterised m that the means for moving the unit (B) in the nome condition between the upright position and the folded down position comprise at least one linear actuator (6, 7) having one end connected to the fixed- frame (2) and the other end connected to the arm (B) at a point which is at a distance from the point (13) at which the support base (3) is pivoted to the fixed-frame (2) such that, by extending and shortening the linear actuator (6, 7) , the arm (B) is tilted from the upright home position to the folded down transportation position and vice versa
7 The crane according to claim 6, characterised m that the linear actuator is located on a longitudinal side of the lifting arm (B)
8 The crane according to any of the foregoing claims from 6 to 7 characterised m that the fixed- frame (2) has a lug (9) projecting upwards and forming a fixing point for one end of the actuator means (6, 7) for connection to the fixed-frame (2), the crane also being characterised in that the support base (3) has a projecting lug (11) forming a fixing point for the other end of the actuator means (6, 7) for connection to the support base (3) .
9 The crane according to any of the foregoing claims, characterised m that means (12) are envisaged for preventing the arm (B) from tilting to the folded down position below the top of the cab (C) .
10. The crane according to claim 9, characterised in that the means for preventing the arm (B) from tilting to the folded down position below the top of the cab (C) are designed to prevent its rotation relative to the chassis (1) .
11. The crane according to any of the foregoing claims from 3 to 10, characterised in that the angular tilting rotation of the arm
(B) is substantially equal to 902.
12. A vehicle comprising a cab and a support chassis defining a bed extending from the cab, characterised in that it comprises, supported on the bed, a crane according to any of the foregoing claims .
PCT/IB1998/001739 1997-11-03 1998-11-02 A crane with variable positioning which can be mounted on a vehicle, and the vehicle on which the crane is mounted WO1999023025A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU95550/98A AU9555098A (en) 1997-11-03 1998-11-02 A crane with variable positioning which can be mounted on a vehicle, and the vehicle on which the crane is mounted

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97BO000654A IT1295656B1 (en) 1997-11-03 1997-11-03 HYDRAULIC VARIABLE TRUCK CRANE.
ITBO97A000654 1997-11-03

Publications (1)

Publication Number Publication Date
WO1999023025A1 true WO1999023025A1 (en) 1999-05-14

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PCT/IB1998/001739 WO1999023025A1 (en) 1997-11-03 1998-11-02 A crane with variable positioning which can be mounted on a vehicle, and the vehicle on which the crane is mounted

Country Status (3)

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AU (1) AU9555098A (en)
IT (1) IT1295656B1 (en)
WO (1) WO1999023025A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2325045A1 (en) * 2009-08-25 2011-05-25 Teijo Seppälä Lifting device for a vehicle and a corresponding arrangement in a vehicle
US10023129B2 (en) 2016-08-09 2018-07-17 Chad Ehlers Vehicle mounted crane assembly

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1178365A (en) * 1968-04-10 1970-01-21 Beltrami S P A Improvements in or relating to Mobile Cranes.
US3570692A (en) * 1969-04-04 1971-03-16 Seseam As Method for connecting and disconnecting a crane with a truck
DE2165867A1 (en) * 1971-12-31 1973-07-05 Krone Bernhard Gmbh Maschf LOADING CRANE FOR TRUCKS AND TRUCK TRAILERS
US4406574A (en) * 1978-07-28 1983-09-27 Riley Sidney L Vehicle assist for disabled
EP0124947A1 (en) * 1983-05-04 1984-11-14 Van Seumeren Agenturen B.V. Lifting tool
DE3339519A1 (en) * 1983-11-02 1985-05-15 Horst 2150 Buxtehude Bredemeier CRANE WITH FOLDABLE PILLAR TOP
EP0425733A1 (en) * 1989-10-30 1991-05-08 O.M.B. Di Benelli Giancarlo Collapsible crane for mounting on vehicles

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1178365A (en) * 1968-04-10 1970-01-21 Beltrami S P A Improvements in or relating to Mobile Cranes.
US3570692A (en) * 1969-04-04 1971-03-16 Seseam As Method for connecting and disconnecting a crane with a truck
DE2165867A1 (en) * 1971-12-31 1973-07-05 Krone Bernhard Gmbh Maschf LOADING CRANE FOR TRUCKS AND TRUCK TRAILERS
US4406574A (en) * 1978-07-28 1983-09-27 Riley Sidney L Vehicle assist for disabled
EP0124947A1 (en) * 1983-05-04 1984-11-14 Van Seumeren Agenturen B.V. Lifting tool
DE3339519A1 (en) * 1983-11-02 1985-05-15 Horst 2150 Buxtehude Bredemeier CRANE WITH FOLDABLE PILLAR TOP
EP0425733A1 (en) * 1989-10-30 1991-05-08 O.M.B. Di Benelli Giancarlo Collapsible crane for mounting on vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2325045A1 (en) * 2009-08-25 2011-05-25 Teijo Seppälä Lifting device for a vehicle and a corresponding arrangement in a vehicle
US10023129B2 (en) 2016-08-09 2018-07-17 Chad Ehlers Vehicle mounted crane assembly

Also Published As

Publication number Publication date
ITBO970654A1 (en) 1999-05-03
IT1295656B1 (en) 1999-05-24
ITBO970654A0 (en) 1997-11-03
AU9555098A (en) 1999-05-24

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