GB2276591A - A curtainsided semi-trailer. - Google Patents
A curtainsided semi-trailer. Download PDFInfo
- Publication number
- GB2276591A GB2276591A GB9306877A GB9306877A GB2276591A GB 2276591 A GB2276591 A GB 2276591A GB 9306877 A GB9306877 A GB 9306877A GB 9306877 A GB9306877 A GB 9306877A GB 2276591 A GB2276591 A GB 2276591A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trailer
- bulk
- semi
- bag
- discharge
- 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
- B60P1/006—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading charge and discharge with pusher plates
-
- 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
- B60P1/60—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using fluids, e.g. having direct contact between fluid and load
-
- 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
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/42—Vehicles adapted to transport, to carry or to comprise special loads or objects convertible from one use to a different one
- B60P3/426—Vehicles adapted to transport, to carry or to comprise special loads or objects convertible from one use to a different one from transport of fluids to transport of other types of goods
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
A curtainsided semi-trailer 10, which can be utilised for carrying either general goods or bulk products, includes a collapsible double skinned bulk lining bag which is either secured in a sliding framework 28, 30, 32 or is suspended from the roof of the semi-trailer 10. The bulk liner bag is loaded through opening 48 and is discharged through hopper 40, rotary valve 42 and outlet pipe 44 by gravity and by compressed air. Air can also be introduced through valve 54 into the space between the inner and outer skins of the liner bag to aid discharge of the bulk material. <IMAGE>
Description
Improvements in or relating to Curtainsided Semi-Trailers
The present invention relates to curtainsided semi-trailers which can be used for general haulage and for bulk product transport.
Curtainsided semi-trailers are well known vehicles which comprise an articulated semi-trailer chassis to which is fixed a body comprising a front bulkhead, rear doors mounted onto a flat platform floor and covered by a fixed roof with viding curtains running on rollers within a track fixed to the roof panel and secured to the platform sides by means of straps and buckles.
These vehicles transport general loose and palletised goods.
Bulk powder trailers are also well known vehicles which comprise an articulated semi-trailer chassis to which is fitted a pressure tank with manholes in the top of the tank for gravity feed loading, and discharge is obtained by means of pressurising the tank and providing an air supply to blow the product from the trailer.
Curtainsided trailers can not be used for the discharge of bulk powders requiring pressurised discharge and bulk powder trailers cannot be utilised for the carriage of palletised goods and general haulage.
The present invention seeks to provide a curtainsided semitrailer which can be arranged for the transport of general haulage consignments such as palletised goods and, or the transport of bulk products.
According to the present invention there is provided a curtainsided semi-trailer including at least one collapsible bulk liner which can be
opened up into a space on the trailer, means being provided for bulk loading through an opening in the trailer and gravity discharge through a further opening in the trailer, an air supply into the liner bag to aid gravity discharge and a rotary discharge valve between the gravity discharge and supply of pressurised air to blow the product into a receiving receptacle.
The collapsible bulk liner can be arranged within a collapsible framework on the trailer.
The frame work can comprise a number of sliding frames which are movable in tracks provided on the trailer.
The sliding frame work can comprise two closed end frames and a number of intermediate open frames which are arranged to support a partially double skinned collapsible liner.
In an alternative arrangement the collapsible bulk liner bag is reinforced by steel hoops and is suspended from the roof of the trailer into the empty trailer space.
The partially double skinned liner is suspended by means of a rope and winch arrangement attached to one or more of the hoops.
The rotary discharge valve is provided to seal gravity discharge of bulk materials from the bulk liner bag.
The bulk bag liner bag is provided with an air supply between its double skins to facilitate bulk discharge when the bulk product reaches a normal angle of repose and ceases to gravity feed into the rotary valve.
Security fittings can be provided to secure the empty bulk liner bag into the trailer roof frame.
The present invention will now be more particularly described with reference to the accompanying drawings in which;
Figure 1 shows in perspective one form of curtainsided semitrailer according to the present invention;
Figure 2 shows in perspective the semi-trailer of figure 1 with the liner bag in an open position for use as a bulk trailer;
Figure 3 shows a perspective view of the bulk liner bag for use with the trailer shown in figures 1 and 2;
Figure 4 shows an alternative form of semi-trailer of figure 4 according to the present invention;
Figure 5 shows a perspective view of the trailer with the liner bag in the open position for use as a bulk trailer; and
Figure 6 shows the liner bag for use with the trailer shown in figures 4 and 5.
Referring firstly to figures 1 to 3 inclusive a trailer (10) is in the form of a standard curtainsided semi-trailer which comprises a floor (12) a front bulk head (14), a pair of rear doors (16) mounted on the floor (12) and a fixed roof (18) which is attached between the front bulk head (14) and a frame (20) for the door (16).
The open sides of the trailer (10) are closed by a curtain (22) on each side of the trailer, the curtains running on rollers within a track fixed to the roof (16) and secured to sides of the floor (12) by means of straps and buckles (24).
A partially double sided collapsible bulk liner bag (26) (figure 3) is supported by means of a framework comprising front and rear panels (28) and (30) respectively and a series of intermediate frames (32). The front and rear panels (28) and (30) and the intermediate frames (32) are slidable on the trailer in tracks (34) in the vehicle roof (16).
The double skin liner bag (26) is suspended from the intermediate frames (32) by means of lugs (36) (figure 3). The bulk liner bag (26) has a filler tube (38) and a discharge opening (not shown) in the base (not shown).
A hopper (40) is located in the floor (12) of the trailer and feeds a rotary discharge valve (42).
An air supply is introduced into the outlet of the rotary discharge valve through a discharge pipe (44) and the product is discharged from end (46) of the discharge pipe (44).
The filler tube (38) is fixed to a manhole (48) in the roof (16) of the trailer and the discharge opening in the liner bag base rests within the hopper (40).
The outer frames (28) and (30) are secured by suitable fixing devices (50) to the trailer floor.
In order to utilise the trailer as a bulk product trailer the front and rear panels (28) and (30) are rolled along the tracks (34) to the open position as shown in figure 2. The intermediate frames (32) and the suspended bulk liner bag (26) assume the open position as shown in figure 2. The end frames (28) and (30) are secured by means of the fixing devices (50) onto the trailer floor (12).
In order to transport bulk products the liner bag is loaded by gravity feed through the manhole (48) and the filler tube (38) in the bulk liner bag until either the bag is full or all the bulk product load to be transported has been discharged into the liner bag. It will be appreciated that the front and rear panels (28) and (30) and the intermediate frames (32) support the liner bag and its contents in position for transit. It will also be appreciated that the side curtains (22) on both sides of the trailer are secured in the closed positions by means of the buckles (24) during transit.
In order to discharge the bulk product from the bag (28), air is introduced into the discharge pipe (44). The rotary discharge valve (42) is set in motion and the product will gravity feed into the hopper (40) and into the air stream in the discharge pipe.
When the gravity feed ceases air supply is introduced into an air valve (54) provided in the outer wall of the double skinned liner bag (26). Air pressure is created between the walls of the liner bag which creates movement within the liner which in turn inverts the inner shape of the liner enabling full discharge to take place.
On completion of the discharge operation the bag (26) and the front and rear panels (28) and (30) and the intermediate panels (32) are released from their attachment to the floor of the trailer and are rolled back and secured into the closed position as shown in figure 1. The semi-trailer is then suitable for use in general haulage, eg. palletised or parcelled goods.
Referring now to figures 4 to 6 inclusive there is shown an alternative form of semi-trailer according to the present invention in which a bulk liner bag (56) is secured to the roof (16) of the semi-trailer where it can be stowed in position as shown in figure 4 or in which it can be deployed into an operation of position for the transport of bulk product as shown in figure 5.
The liner bag (56) partially double skinned and is support by three built in hoops (58). The liner (56) (figure 3) is suspended by the hoops (58) from winch operated rollers (60) located in the trailer roof (16). The frames (58) are raised and lowered by a system of ropes and winch (62).
Apart from the absence of the front and rear panels (28) and (30) and the intermediate frames (32) and the presence of the liner bag (56) the semi-trailer shown in figure 4 is similar to the semi-trailer shown in figures 1 to 3 and similar components have been allotted the same reference numerals.
The liner bag also has a flanged base (64) and a filler tube (66), an air valve (68), and attachment points (70) for the ropes of the winch (62).
In order to use the trailer as a bulk product trailer the bulk bag liner (56) is lowered on to the trailer floor by operating of the winch system (62) to the position shown in figure 5. The top one of the hoop frames (58) is fixed permanently to the trailer roof whilst the intermediate frame and base are suspended on the ropes of the winch system, and the flanged base (72) rests on the floor of the semi-trailer.
The bulk product is loaded through the manhole (48) and through the filler tubes (66) of the bulk bag until the bulk bag is full or the complete load of the bulk product has been loaded into the liner bag (56).
The bulk product can then be transported with the side curtains of the semi-trailer drawn into the closed position.
In order to discharge bulk product air is introduced into the discharge pipe (44), the rotary discharge valve (42) is set into motion and the product will gravity feed into the hopper (40) through the rotary discharge valve (42) and into the air stream in the discharge pipe (44).
When the gravity feed ceases air supply is introduced into the air valve (68) which creates a pressure between the outer wall of the liner and the inner wedge shape of the walls of the liner.
This air pressure creates movement within the liner which in turn inverts the inner wall of the liner enabling full discharge to take place.
On completion of the discharge the hoops of frame work are winched up to the roof (16) of the semi-trailer by means of a winch system (62) and secured into the closed position as shown in figure 4.
In the position shown in figure 4 the semi-trailer can be used as a conventional curtainsided semi-trailer with the hoops and suspended bulk liner having been winched into the closed position.
Claims (8)
1. A curtainsided semi-trailer including at least one
collapsible bulk liner bag which can be opened up into a
space on the trailer, means being provided for bulk
loading through an opening in the trailer and gravity
discharge through a further opening in the trailer, an air
supply into the liner bag to aid gravity discharge and a
rotary discharge valve between the gravity discharge, and
a supply of compressed air to blow the product into a
receiving receptacle.
2. A semi-trailer as claimed in claim 1 in which a sliding
framework is provided to suspend a bulk bag which can be
closed when the semi-trailer is arranged for use in general
haulage and which can be opened for use of the semi-trailer
for bulk haulage.
3. A trailer as claimed in claim 2 in which the sliding
framework comprises two closed end frames and a number of
intermediate frames to which the bulk bag can be attached.
4. A semi-trailer as claimed in claim 2 in which the sliding
framework comprises a number of hoops attached to the bulk
bag and which are suspended from the trailer by means of
ropes and a winch arrangement.
5. A semi-trailer as claimed in any one of the preceding
claims in which the bulk bag is provided to transport bulk
materials.
6. A semi-trailer as claimed in any one of the preceding
claims in which the rotary discharge valve is provided to
seal gravity discharge of bulk materials.
7. A semi-trailer as claimed in any one of the preceding
claims in which the bulk bag is double skinned and provided
with air supply between the skins in order to facilitate
bulk discharge when the product reaches a normal angle of
repose and ceases to gravity feed into the rotary discharge
valve.
8. A curtainsided semi-trailer constructed and arranged for
use and operation substantially as herein described and
with reference to the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9306877A GB2276591B (en) | 1993-04-01 | 1993-04-01 | Improvements in or relating to curtainsided semi-trailers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9306877A GB2276591B (en) | 1993-04-01 | 1993-04-01 | Improvements in or relating to curtainsided semi-trailers |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB9306877D0 GB9306877D0 (en) | 1993-05-26 |
| GB2276591A true GB2276591A (en) | 1994-10-05 |
| GB2276591B GB2276591B (en) | 1996-01-17 |
Family
ID=10733206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9306877A Expired - Fee Related GB2276591B (en) | 1993-04-01 | 1993-04-01 | Improvements in or relating to curtainsided semi-trailers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2276591B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1081061A3 (en) * | 1999-09-01 | 2002-06-12 | Ykk Corporation | Flexible container, method and apparatus for liquid transport; method and equipment for washing the container |
| NL1028100C2 (en) * | 2005-01-24 | 2006-07-25 | Albers Alligator Projecten Bv | Transport device and method for transporting general cargo and liquid. |
| WO2016168562A1 (en) * | 2015-04-15 | 2016-10-20 | Brown Industries, Llc | Curtainside movable wall system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216812A (en) * | 2020-01-21 | 2020-06-02 | 佳怡粮谷(福建)食品工贸有限公司 | Multifunctional carrying cabinet and transport vehicle with same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3756469A (en) * | 1970-11-10 | 1973-09-04 | Bulk Liner Corp | Convertible hopper vehicle |
| US4155469A (en) * | 1977-05-16 | 1979-05-22 | Cole Raymond G | Mobile vehicle for carrying bulk materials or general freight |
| US4534596A (en) * | 1983-03-30 | 1985-08-13 | Vincent C. Bonerb | Freight vehicle with a convertible cargo space |
-
1993
- 1993-04-01 GB GB9306877A patent/GB2276591B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3756469A (en) * | 1970-11-10 | 1973-09-04 | Bulk Liner Corp | Convertible hopper vehicle |
| US4155469A (en) * | 1977-05-16 | 1979-05-22 | Cole Raymond G | Mobile vehicle for carrying bulk materials or general freight |
| US4534596A (en) * | 1983-03-30 | 1985-08-13 | Vincent C. Bonerb | Freight vehicle with a convertible cargo space |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1081061A3 (en) * | 1999-09-01 | 2002-06-12 | Ykk Corporation | Flexible container, method and apparatus for liquid transport; method and equipment for washing the container |
| US6609863B1 (en) | 1999-09-01 | 2003-08-26 | Ykk Corporation | Flexible container for liquid transport having air tight, water resistant slide fastener, and liquid transport apparatus using the container |
| NL1028100C2 (en) * | 2005-01-24 | 2006-07-25 | Albers Alligator Projecten Bv | Transport device and method for transporting general cargo and liquid. |
| WO2006078155A1 (en) * | 2005-01-24 | 2006-07-27 | Albers Alligator Projekten B.V. | Transport device and method for transporting fluid |
| CN100519268C (en) * | 2005-01-24 | 2009-07-29 | 阿伯斯艾利加特普罗杰克滕有限公司 | Device and method for transporting bulk cargo and fluid |
| AU2006206905B2 (en) * | 2005-01-24 | 2011-01-06 | Albers Alligator Projekten B.V. | Transport device and method for transporting fluid |
| US8066135B2 (en) | 2005-01-24 | 2011-11-29 | Albers Alligator Projekten B.V. | Transport device and method for transporting fluid |
| KR101224093B1 (en) | 2005-01-24 | 2013-01-18 | 알버스 알리게이터 프로젝텐 비.브이. | Transport device and method for transporting fluid |
| NO339579B1 (en) * | 2005-01-24 | 2017-01-09 | Albers Alligator Projecten Bv | Transport device and method for transporting fluid |
| WO2016168562A1 (en) * | 2015-04-15 | 2016-10-20 | Brown Industries, Llc | Curtainside movable wall system |
| US10053157B2 (en) | 2015-04-15 | 2018-08-21 | Brown Industries, Llc | Curtainside movable wall system |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9306877D0 (en) | 1993-05-26 |
| GB2276591B (en) | 1996-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20050401 |