SE435359B - Device on a freight vehicle with a load platform attached behind the vehicle's load absorbing surface - Google Patents

Device on a freight vehicle with a load platform attached behind the vehicle's load absorbing surface

Info

Publication number
SE435359B
SE435359B SE8200163A SE8200163A SE435359B SE 435359 B SE435359 B SE 435359B SE 8200163 A SE8200163 A SE 8200163A SE 8200163 A SE8200163 A SE 8200163A SE 435359 B SE435359 B SE 435359B
Authority
SE
Sweden
Prior art keywords
bridge
container
load
vehicle
loading
Prior art date
Application number
SE8200163A
Other languages
Swedish (sv)
Other versions
SE8200163L (en
Inventor
N G S Andersson
Original Assignee
Z Lyften Prod Ab
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 Z Lyften Prod Ab filed Critical Z Lyften Prod Ab
Priority to SE8200163A priority Critical patent/SE435359B/en
Publication of SE8200163L publication Critical patent/SE8200163L/en
Publication of SE435359B publication Critical patent/SE435359B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/44Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
    • B60P1/4457Means for immobilising the load or preventing it from rolling off during lifting; Man-rails
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/44Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
    • B60P1/4492Design or construction of the moving platform itself

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)

Abstract

The invention relates to lifting loading platforms, so-called goods lifts, mounted on Lorries. It solves the problem of loading and unloading a wheeled container (9) without the risk of the container inadvertently rolling off the loading platform (6) and without the need of wheel brakes or special locking devices. According to the invention, the top of the loading platform (6) has an upwardly concave section and the platform is furthermore so designed that during the raising and lowering of the platform the front pair of wheels of the container are located at the lowest point of the concave section, thereby ensuring a stable position of equilibrium for the whole container.<IMAGE>

Description

_ 8200163-7 brygga, vilken skall vara så beskaffad att säkerhetsproblemet blir tillfredsställande löst ur alla de ovannämnda synpunkter- na. Mer konkret innebär detta att följande fordringar skall vara uppfyllda. Rullcontainern skall icke behöva förses med särskilda bromsar. Anordningen skall inte ha några lösa lås- eller spärrorgan. Skyddet mot oavsiktlig rullning hos con- tainern skall uppnås utan att hisskötaren behöver vidtaga några särskilda åtgärder härför. _ 8200163-7 bridge, which must be of such a nature that the safety problem is satisfactorily solved from all the above-mentioned points of view. More specifically, this means that the following requirements must be met. The roll container shall not need to be fitted with special brakes. The device must not have any loose locking or locking means. The protection against unintentional rolling of the container must be achieved without the elevator operator having to take any special measures for this.

Dessa ändamål har enligt uppfinningens huvudsakliga kännetecken realiserats därigenom, att bryggans ovansida har ,ett uppåt konkavt parti, företrädesvis innefattande en främ- re, i riktning framåt och uppåt lutande del och en del, som i det undre höjdläget är vågrät, varjämte bryggan i sist- nämnda läge är tippbar till ett vinkelläge, där ovansidans bakomliggande del lutar framåt och nedåt, så att en på bryggan placerad rullcontainer eller liknande i bryggans nämnda tippade läge intar ett stabilt jämviktsläge.According to the main features of the invention, these objects have been realized in that the upper side of the bridge has an upwardly concave portion, preferably comprising a front, in the direction of forward and upwardly inclined part and a part which in the lower height position is horizontal, and the bridge in the last said position is tiltable to an angular position, where the upper part of the upper side slopes forwards and downwards, so that a roll container or the like placed on the bridge in said tilted position assumes a stable equilibrium position.

En utföringsform av uppfinningen beskrivs nedan med hänvisning till ritningen, vars tre figurer samtliga visar bakre delen av en lastbil, vilken är försedd med en last- brygga enligt uppfinningen. Ritningen illustrerar bryggans funktion vid lastning av en rullcontainer.An embodiment of the invention is described below with reference to the drawing, the three figures of which all show the rear part of a truck, which is provided with a loading dock according to the invention. The drawing illustrates the function of the bridge when loading a roll container.

Fig. l visar lastbryggan i nedsänkt läge med en rull- container uppkörd på dess ovansida. Bryggans plana under- sida vilar mot markytan.Fig. 1 shows the loading dock in a lowered position with a rolling container driven up on its upper side. The flat underside of the bridge rests against the ground.

Fig. 2 visar bryggan i lyftningsläge. Bryggan har här vridits, så att dess bakre, fria ände befinner sig ett stycke ovanför markytan, dvs. huvuddelen av bryggans ovan- sida lutar nedåt och framåt.Fig. 2 shows the bridge in lifting position. The bridge has been turned here, so that its rear, free end is located a bit above the ground, ie. the main part of the upper side of the bridge slopes downwards and forwards.

Fig. 3 visar bryggan i dess övre lyftningsläge. Med punktstreckade linjer har visats hur bryggan kan tippas framåt förbi lutningsläget i fig. 2, så att rullcontainers överföring till lastbilsflaket underlättas. i En lastbil l har ett par längsgående chassibalkar 2, vilka intill sina bakre ändar uppbär en monteringslåda 3 för 8206163-7 lastbryggans lyftmekanism, som består av ett par lyftarmar 4 och ett par hydraulcylindrar 5, vilka samtliga har sina främre ände ledbart fästa i monteringslådan 3 och sina bak- re ändar ledbart anslutna till själva lastbryggan 6. Vidare innefattar mekanismen hydraulcylindrar 7 för vridning av bryggan 6 från dess vågräta läge till ett vertikalt läge, där densamma bildar en lucka vid lastflakets bakre ände.Fig. 3 shows the bridge in its upper lifting position. Dotted lines have shown how the bridge can be tilted forward past the tilt position in Fig. 2, so that the transfer of roll containers to the truck bed is facilitated. A truck 1 has a pair of longitudinal chassis beams 2, which next to their rear ends carry a mounting box 3 for the lifting mechanism of the loading dock, which consists of a pair of lifting arms 4 and a pair of hydraulic cylinders 5, all of which have their front end articulated in the mounting box. 3 and its rear ends articulated to the loading dock 6 itself. Furthermore, the mechanism comprises hydraulic cylinders 7 for rotating the dock 6 from its horizontal position to a vertical position, where it forms a gap at the rear end of the loading platform.

Så långt är den ovan beskrivna anordningen tidigare känd. Enligt uppfinningen har emellertid bryggans cvansida utformats på ett speciellt sätt. Den har ett uppåt konkavt parti, som enligt det här illustrerade utföringsexemplet är bildat av en främre, i riktning framåt och uppåt lutande del 6a och av en del 6b, som i bryggans nedsänkta läge är vågrät. Den bakersta delen Gc av bryggans ovansida lutar nedåt och bakåt, så att bryggan kilformigt ansluter sig till markytan 8. Härigenom kan en rullcontainer 9 bekvämt rullas upp på den vågräta delen 6b, såsom visats i fig. l.So far, the device described above is previously known. According to the invention, however, the opposite side of the bridge has been designed in a special way. It has an upwardly concave portion, which according to the exemplary embodiment illustrated here is formed by a front part 6a inclined in the forward and upward direction and by a part 6b which is horizontal in the lowered position of the bridge. The rearmost part Gc of the upper side of the bridge slopes downwards and backwards, so that the bridge adheres wedge-shaped to the ground surface 8. Hereby a roll container 9 can be conveniently rolled up on the horizontal part 6b, as shown in Fig. 1.

När containern 9 intagit nyssnämnda läge, tippas lastbryggan 6 något framåt och nedåt till det läge som är visat i fig. 2. Rullcontainern kommer således då att inta ett stabilt jämviktsläge. I detta läge lyfts bryggan 6 till sitt övre höjdläge enligt fig. 3. Med hjälp av hydraul- cylindrarna 7 tippas sedan bryggan 6 lämpligen ytterligare något framåt, så att den på containern 9 verkande tyngd- kraften får en framâtriktad komposant, varigenom containern av sig själv rullar in ;>å lastflaket 10, såsom markerats med punktstreckade linjer och med en pil i fig. 3.When the container 9 has assumed the aforementioned position, the loading bridge 6 is tilted slightly forwards and downwards to the position shown in Fig. 2. The roll container will thus then assume a stable equilibrium position. In this position, the bridge 6 is lifted to its upper height position according to Fig. 3. By means of the hydraulic cylinders 7, the bridge 6 is then suitably tilted slightly further forward, so that the gravitational force acting on the container 9 has a forward-facing component, whereby the container itself rolls in on the load surface 10, as marked by dotted lines and with an arrow in Fig. 3.

Vid lossning av en rullcontainer 9 från lastbilen förfares principiellt på samma sätt som ovan beskrivits men i omvänd ordning. Sålunda bringas först lastbryggan 6 att intaga det höjd- och lutningsläge som är visat i fig. 3.When unloading a roll container 9 from the truck, the procedure is in principle the same as described above, but in reverse order. Thus, the loading bridge 6 is first caused to assume the height and inclination position shown in Fig. 3.

Härefter sänks bryggan till läget i fig. 2. Därefter lutas den bakåt till anliggning med hela undersidan mot marken 8, varefter containern 9 bekvämt kan rullas av bryggan.Then the bridge is lowered to the position in Fig. 2. Then it is tilted back to abutment with the entire underside against the ground 8, after which the container 9 can be conveniently rolled off the bridge.

Det är möjligt att på många sätt avvika från den här i exemplifierande syfte illustrerade utföringsformen av upp- ,a2oo1ez-7 4 finningen. Uppfinningstanken utnyttjas så snart bryggan är så beskaffad, att en rullcontainer bekvämt kan föras på och av densamma i dess undre och övre ändlägen och utan hjälp av bromsar eller andra spärrorgan intar ett stabilt jämvikts- läge under bryggans vertikalrörelser.It is possible to deviate in many ways from the embodiment of the invention illustrated here by way of example. The inventive tank is used as soon as the bridge is so shaped that a rolling container can be conveniently moved on and off it in its lower and upper end positions and without the aid of brakes or other locking means assumes a stable equilibrium position during the vertical movements of the bridge.

Claims (3)

8200163-7 5 l Patentkrav8200163-7 5 l Patent claim 1. l. Anordning vid ett lastfordon (l) med en bakom dettas lastupptagande yta anbragt lastbrygga (6), som medelst hydraulcylindrar (5) är rörlig mellan ett undre höjdläge, där bryggan är nedsänkt mot markytan, och ett övre höjd- läge i nivå med den lastupptagande ytan, k ä n n e - t e c k n a d av att bryggans (6) ovansida har ett uppåt konkavt parti, företrädesvis innefattande en främre, i riktning framåt och uppåt lutande del (6a) och en del (6b), som i det undre höjdläget är vågrät, varjämte bryg- gan i sistnämnda läge är tippbar till ett vinkelläge, där ovansidans bakomliggande del lutar framåt och nedåt, så att en på bryggan placerad rullcontainer (9) eller lik- nande i bryggans nämnda tippade läge intar ett stabilt j ämviktsläge .1. 1. Device in the case of a lorry (1) with a loading bridge (6) arranged behind its load-receiving surface, which is movable by means of hydraulic cylinders (5) between a lower height position, where the bridge is lowered towards the ground, and an upper height position in level with the load-bearing surface, characterized in that the upper side of the bridge (6) has an upwardly concave portion, preferably comprising a front, forwardly and upwardly sloping part (6a) and a part (6b), as in the lower the height position is horizontal, and the bridge in the latter position can be tilted to an angular position, where the upper part of the upper side slopes forwards and downwards, so that a roll container (9) or the like placed on the bridge in a tipped position of the bridge assumes a stable equilibrium position . 2. Anordning enligt krav 1, k ä n n e t e c k n a d av att bryggan (6) i sitt övre höjdläge är tippbar till ett vinkelläge, där ovansidans förstnämnda del (6a) är väsentligen vågrät.Device according to claim 1, characterized in that the bridge (6) in its upper height position is tiltable to an angular position, where the first-mentioned part (6a) of the upper side is substantially horizontal. 3. Anordning enligt krav l eller 2, k ä n n e - t e c k n a d av att bryggans bakersta del (60) kilfor- migt avsmalnar bakåt.Device according to Claim 1 or 2, characterized in that the rear part (60) of the bridge tapers wedge-shaped rearwards.
SE8200163A 1982-01-13 1982-01-13 Device on a freight vehicle with a load platform attached behind the vehicle's load absorbing surface SE435359B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8200163A SE435359B (en) 1982-01-13 1982-01-13 Device on a freight vehicle with a load platform attached behind the vehicle's load absorbing surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8200163A SE435359B (en) 1982-01-13 1982-01-13 Device on a freight vehicle with a load platform attached behind the vehicle's load absorbing surface

Publications (2)

Publication Number Publication Date
SE8200163L SE8200163L (en) 1983-07-14
SE435359B true SE435359B (en) 1984-09-24

Family

ID=20345705

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8200163A SE435359B (en) 1982-01-13 1982-01-13 Device on a freight vehicle with a load platform attached behind the vehicle's load absorbing surface

Country Status (1)

Country Link
SE (1) SE435359B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2868743A1 (en) * 2004-04-13 2005-10-14 Andre Dejoux Special container for transporting e.g. building waste, has castor wheel to laterally load using portals of cargo truck and trailers, which are provided with extendable platforms to carry out lateral loading/unloading of container

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2868743A1 (en) * 2004-04-13 2005-10-14 Andre Dejoux Special container for transporting e.g. building waste, has castor wheel to laterally load using portals of cargo truck and trailers, which are provided with extendable platforms to carry out lateral loading/unloading of container

Also Published As

Publication number Publication date
SE8200163L (en) 1983-07-14

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