GB2112756A - Improvements in or relating to load-carrying systems - Google Patents
Improvements in or relating to load-carrying systems Download PDFInfo
- Publication number
- GB2112756A GB2112756A GB08236313A GB8236313A GB2112756A GB 2112756 A GB2112756 A GB 2112756A GB 08236313 A GB08236313 A GB 08236313A GB 8236313 A GB8236313 A GB 8236313A GB 2112756 A GB2112756 A GB 2112756A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frame
- trailer
- vehicle
- load
- carrying system
- 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
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/64—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable
- B60P1/6418—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar
- B60P1/6463—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable the load-transporting element being a container or similar fitted with articulated beams for longitudinal displacement of the container
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
This invention relates to load- carrying systems comprising a road vehicle (1), a trailer (2) and a transport frame (3), which can be loaded on to the vehicle or the trailer. The frame can be transferred from the ground to the vehicle and vice versa by a lifting arm (not shown) or other means and the same lifting arm can be used to transfer the transport frame from the vehicle to the trailer and vice versa. To ensure that the frame is locked to the vehicle or the trailer during transport, hooks (6) are provided on the vehicle and hooks (9) are provided on the trailer to cooperate with anchor members on the transport frame. The anchor members automatically engage with the hooks as the frame is moved into the transport position on either the vehicle or the trailer. <IMAGE>
Description
SPECIFICATION
Improvements in or relating to load-carrying systems
This invention relates to load-carrying systems of the kind which comprise a road vehicle, a trailer and a transport frame which can be loaded on to the vehicle or the trailer.
Various systems are known for hoisting a transport frame on to a vehicle, and one such system includes a lifting arm pivotally mounted on the vehicle and carrying, at its free end, a hook adapted to engage an upstanding member at the forward end of the transport frame.
When a transport frame is to be hoisted on to a vehicle of this kind, the vehicle is positioned so that its rear end is located in the vicinity of the forward end of the transport frame. The lifting arm is then moved under hydraulic control so that the hook engages in the upstanding member and lifts the forward end of the transport frame off the ground.
The frame is then pulled over the back of the vehicle and moved forwardly along the vehicle chassis into the transport position.
In most systems the transport frame is maintained in position on the vehicle during transport means of the hydraulic control system. However, if the vehicle is to be used under difficult conditions, or if additional safety is required, a mechanical locking system may be provided to supplement the hydraulic locking system. A transport frame may also be carried on a trailer but, in this case, no means are normally available on the trailer itself to hoist the transport frame on to the trailer. Accordingly, it is normally necessary for the transportframe to be lifted by static lifting equipment and deposited on the trailer.
Similarly, when the transport frame is to be removed from the trailer, further static lifting equipment is required.
It is an object of the present invention to provide an integrated system in which lifting means already available on a vehicle can also be used to load the transport frame on to a trailer.
From one aspect the invention consists in a load-carrying system comprising a road vehicle; a transport frame; and a trailer, wherein the vehicle is provided with power-operated means for transferring the frame to and from the vehicle, both from and to the ground, and also from and to the trailer, and wherein hooks are provided on both the vehicle and the trailer to cooperate with anchor members on the frame to lock to the vehicle or the trailer.
Preferably at least some of the hooks are resiliently mounted on the respective chassis. Normally the two front hooks on the vehicle and the two front hooks on the trailer will be resiliently mounted and the rear hooks may also be resiliently mounted in either or both cases if desired. The resilient mounting may take any of the forms illustrated in Figures 2 to 4 of Patent Application No. 81 38708 (Specification
No.
Preferably the power-operated transferring means on the vehicle comprise a lifting arm having a rearward portion which is pivotally mounted on the vehicle, and a forward portion which is axially slidable with respect to the rearward portion. A jib is upstanding from the forward portion, and a hook is carried at the free end of the jib. Sliding movement of the forward portion with respect to the rearward portion is hydraulically controlled and, when the transport frame is to be lifted from the ground over the rear of the vehicle, the forward portion of the lifting arm, together with the jib, is moved to its rearwardmost position by the hydraulic system. The hook on the jib engages in an upstanding member at the forward end of the transport frame, and the hydraulic system rotates the lifting arm about its pivot axis to lift the transport frame over the rear of the vehicle.The pivotting motion is continued until the lifting arm is substantially horizontal and the jib substantially vertical, whereafter the forward portion of the lifting arm, together with the jib, is moved forwardly with respecttothe rearward portion so that the frame is moved forwardly into the transport position.
If the transport frame is to be off-loaded on to the ground, the reverse procedure is followed. Similarly, if the transport frame is to be off-loaded from the vehicle on to the trailer, the trailer is moved into position at the rear of the vehicle, so that rearward movement of the jib in the lifting arm will cause the rear of the transport frame to overlap the forward end of the trailer. Pivotal motion of the lifting arm can then be used to move the transport frame rearwardly along the trailer chassis until it reaches the transport position. When the transport frame is being loaded on to the vehicle, the last phase of the forward movement of the jib relative to the lifting arm causes the anchor members on the frame to slide under the hooks on the vehicle.Similarly the geometry of the system is arranged so that, as the transportframe is being loaded on to the trailer, the last phase of the pivotting motion of the lift arm will slide the same anchor members on the frame under the hooks on the trailer.
To enable the transport frame to slide without causing undue wear on the trailer, it is preferable that rollers should be provided at the rear end of the transport frame to support the rear of the transport frame during movement of the frame along the trailer. These rollers may be removable when the frame is being carried by the vehicle, or preferably are mounted on swinging arms so that they can be moved from a position in which they extend below the rear end of the transport frame to a position in which they do not extend below the frame.
Alternatively, in order to simplify the construction of the transport frame, the trailer may be fitted with a pair of trolleys on to which the transport frame, without rollers, would engage on landing on the trailer. These trolleys would transfer to the rear of the trailer where they would locate in a recess so as to enable the transport frame to lie solidly on the frame of the trailer.
In yet another modification, the rollers on the rear of the transport frame are replaced by skids designed to travel on the trailer surface without excessive friction.
It will be understood that, when the transport frame is in the transport position on the vehicle, the cooperation between the hooks and the anchor members will prevent forward movement, vertical movement, and possibly also lateral movement of the frame relative to the vehicle. However, they will not prevent rearward movement of the frame relative to the vehicle and, if desired, further locking means may be provided to cooperate with one or more of the anchor members to positively restrain rearward movement of the frame with respect to the vehicle. Preferably these further locking means consist of spring-loaded latches having pneumatic means for disengaging them when the frame is to be removed from the vehicle.Similarly, when the frame is in the transport position on the trailer, cooperation between the anchor members and the hooks will prevent rearward, vertical, and possibly also lateral, movement of the frame relative to the trailer. In order to prevent forward movement of the frame relative to the trailer, additional locking means similar to those provided on the vehicle may be provided on the trailer. These may again comprise spring-loaded latches, but normally there will be no pneumatic supply available to release the latches.
Accordingly they must be designed in such a way that they can be manually released when the frame is to be moved forwardly off the trailer. To enable the transport frame to be carried not only on the vehicle or the trailer, but also on ships, aircraft, ortrains equipped with ISO twist-locks, the transport frame is preferably constructed to ISO dimensions, and is provided with ISO corners which can cooperate with the ISO twist-locks. In this case, the rollers at the rear of the frame are either removable or are capable of being moved into such a position that they are within the ISO dimensions.
From another aspect the invention consists in any features of novelty, taken singly or in combination, of the transport system illustrated in the accompanying diagrammatic drawings, in which:
Figure lisa side view of a vehicle trailer and transport frame in accordance with the invention;
and
Figure 2 is a perspective view of the trailer
illustrated in Figure 1.
The transport system illustrated includes a road vehicle 1, a trailer 2, and a transport frame 3. The transport frame is provided at its forward end with
an upstanding member4 having means in the region
of its upper extremity for engagement by a hook of a
lifting arm (not shown) on the vehicle. The vehicle is
provided with rollers 5, and the lifting arm may be
used in known manner to raise or lower the frame 3
on to, or off, the vehicle. The frame 3 is also provided
with anchor members (not shown) which cooperate
with hooks 6 on the vehicle chassis. When the frame
is moved into the transport position as shown at 7,
the anchor members on the frame slide under the
hooks 6 to lock the frame in position on the chassis.
Additional locking means (not shown) may be
provided to prevent rearward movement of the
frame relative to the vehicle. The front pair of hooks
6 are resiliently mounted while the rear pair are rigid.
The rear end of the frame 3 is provided with rollers
8 and, with the help of these rollers, the lifting arm on the vehicle may be used to transfer the frame 3 to, or from, the vehicle 1 from, or to, the trailer 2. The trailer is provided with hooks 9 similar to the hooks 6 on the vehicle except that they face forwardly instead of rearwardly. Thus, if the frame is moved rearwardly on the rollers 5 and 8 from the vehicle to the trailer, the last phase of this movement into the transport position illustrated at 10 will cause the anchor members on the frame 3 to slide under the hooks 9. Additional locking means (not shown) may be provided on the trailer to preventforward movement of the frame relative to the trailer.
Since it may not always be possible to ensure that the longitudinal axis of the trailer is precisely coincident with the longitudinal axis of the vehicle when the transport frame is being transferred from the vehicle to the trailer, means are preferably provided to correct any misalignment between the transport frame and the trailer. As can be seen in
Figure 2, the central portion 11 of the trailer is raised relatively to the two side portions 12 and 13. The central raised portion is tapered so that it is narrower at the front of the trailer and wider at the rear of the trailer. Thus the upstanding edges of the central portion engage the rollers 8 on the rear of the transport frame as it is being moved rearwardly on the trailer to guide the rear of the transport frame in which ever direction is necessary to correct for misalignment. As in the case of the hooks 6, the forward pair of hooks 9 are resiliently mounted, while the rear pair of hooks are rigid.
Claims (22)
1. A load-carrying system comprising a road vehicle; a transport frame; and a trailer, wherein the vehicle is provided with power-operated means for transferring the frame to and from the vehicle, both from and to the ground, and also from and to the trailer, and wherein hooks are provided on both the vehicle and the trailer to cooperate with anchor members on the frame to lock the frame to the vehicle or the trailer.
2. A load-carrying system as claimed in Claim 1, wherein at least some of the hooks are resiliently mounted.
3. A load-carrying system as claimed in Claim 2, wherein the forward two hooks on the vehicle are resiliently mounted.
4. A load-carrying system as claimed in Claim 2 or Claim 3, wherein the forward two hooks on the trailer are resiliently mounted.
5. A load-carrying system as claimed in any of the preceding Claims, wherein the power-operated transferring means on the vehicle comprise a lifting arm, having a rearward portion which is pivotally
mounted on the vehicle, and a forward portion which is axially slideable with respect to the rearward portion.
6. A load-carrying system as claimed in Claim 5, wherein a jib is upstanding from said forward
portion, and a hook is carried at the free end of the jib.
7. A load-carrying system as claimed in Claim 6, wherein the hook on the jib engages in an upstand ing member at the forward end of the transport frame, and wherein the transferring means includes a hydraulic system adapted to rotate the lifting arm about its pivot axis to lift the transport frame over the rear of the vehicle.
8. A load-carrying system as claimed in Claim 7, wherein sliding movement of the forward portion of the lifting arm with respect to the rearward portion is hydraulically controlled, and wherein when the forward portion is moved forwardly with respect to the rearward portion, the hooks on the vehicle engage with the anchor members to lock the frame to the vehicle.
9. A load-carrying system as claimed in any of the preceding Claims, arranged so that when the transport frame is transferred by said poweroperated means from the vehicle to the trailer, the anchor members on the frame engage the hooks on the trailer to lock the frame to the trailer during the last phase of the relative movement of the frame and the trailer.
10. A load-carrying system as claimed in any of the preceding Claims, wherein rollers are provided at the rear end of the transport frame to support the rear of the frame during movement of the frame along the trailer.
11. A load-carrying system as claimed in Claim 10, wherein said rollers are removable.
12. A load-carrying system as claimed in Claim 10, wherein said rollers are mounted on swinging arms so that they can be moved from a position in which they extend below the rear end of the transport frame to a position in which they do not extend below the frame.
13. A load-carrying system as claimed in any of
Claims 1-9, wherein the trailer is fitted with a pair of trolleys, with which the transport frame engages at the commencement of its transfer from the vehicle to the trailer.
14. A load-carrying system as claimed in Claim 13, wherein the trailer includes a recess, into which the trolleys descend when the transfer of the frame to the trailer is complete.
15. A load-carrying system as claimed in any of
Claims 1-9, wherein skids are provided at the rear of the transport frame to reduce friction between the frame and the trailer.
16. A load-carrying system as claimed in any of the preceding Claims, wherein cooperation between the hooks and the anchor members prevents forward movement, vertical movement and lateral movement of the frame relative to the vehicle or the trailer.
17. A load-carrying system as claimed in Claim 16, wherein locking means are provided to cooperate with one or more of the anchor members to positively restrain rearward movement of the frame with respect to the vehicle or the trailer.
18. A load-carrying system as claimed in Claim 17, wherein the locking means on the vehicle consist of spring loaded latches, having pneumatic means for disengaging them when the frame is to be removed from the vehicle.
19. A load-carrying system as claimed in Claim 17 or Claim 18, wherein the locking means on the trailer consists of spring loaded latches provided with manual means for releasing them when the frame is to be moved forwardly off the trailer.
20. A load-carrying system as claimed in any of the preceding Claims, wherein the transport frame is constructed to ISO dimensions and is provided with
ISO corners for cooperation with ISO twist-locks.
21. A load-carrying system, substantially as hereinbefore described with reference to, and as illustrated in, either of the accompanying diagrammatic drawings.
22. Any features of novelty, taken singly or in combination of the load-carrying system hereinbefore described with reference to the accompanying diagrammatic drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08236313A GB2112756B (en) | 1981-12-23 | 1982-12-21 | Improvements in or relating to load-carrying systems |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8138710 | 1981-12-23 | ||
| GB08236313A GB2112756B (en) | 1981-12-23 | 1982-12-21 | Improvements in or relating to load-carrying systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2112756A true GB2112756A (en) | 1983-07-27 |
| GB2112756B GB2112756B (en) | 1985-06-05 |
Family
ID=26281608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08236313A Expired GB2112756B (en) | 1981-12-23 | 1982-12-21 | Improvements in or relating to load-carrying systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2112756B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4589672A (en) * | 1983-03-30 | 1986-05-20 | Scottorn Trailers Limited | Improvement in or relating to trailers |
| US4915567A (en) * | 1986-10-31 | 1990-04-10 | Paccar Inc. | Flatrack loading system and method for palletized loading system |
| US5085554A (en) * | 1989-08-23 | 1992-02-04 | Johannes Kirchhoff | Garbage truck |
| EP0513467A1 (en) * | 1991-05-16 | 1992-11-19 | CASTAGNOLI DANTE & FIGLI snc | Freezing cell for animal mortal remains and for slaughter swerves |
| FR2878794A1 (en) | 2004-12-06 | 2006-06-09 | Soframe Sa | SUPPORT AND TRANSFER TRAVERSE FOR LOADING AND UNLOADING A LOAD, ON A TRAILER FROM A TRUCK EQUIPPED WITH A LOAD HANDLING ARM. |
-
1982
- 1982-12-21 GB GB08236313A patent/GB2112756B/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4589672A (en) * | 1983-03-30 | 1986-05-20 | Scottorn Trailers Limited | Improvement in or relating to trailers |
| US4915567A (en) * | 1986-10-31 | 1990-04-10 | Paccar Inc. | Flatrack loading system and method for palletized loading system |
| US5085554A (en) * | 1989-08-23 | 1992-02-04 | Johannes Kirchhoff | Garbage truck |
| US5114303A (en) * | 1989-08-23 | 1992-05-19 | Waste Management Of North America | Garbage truck |
| EP0513467A1 (en) * | 1991-05-16 | 1992-11-19 | CASTAGNOLI DANTE & FIGLI snc | Freezing cell for animal mortal remains and for slaughter swerves |
| FR2878794A1 (en) | 2004-12-06 | 2006-06-09 | Soframe Sa | SUPPORT AND TRANSFER TRAVERSE FOR LOADING AND UNLOADING A LOAD, ON A TRAILER FROM A TRUCK EQUIPPED WITH A LOAD HANDLING ARM. |
| WO2006061508A1 (en) | 2004-12-06 | 2006-06-15 | Soframe | Mobile support and transfer cross-member for loading and unloading a load, on a trailer from a truck equipped with a load-handling arm |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2112756B (en) | 1985-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20001221 |