CN100371184C

CN100371184C - Twistlock housing

Info

Publication number: CN100371184C
Application number: CNB2005800000246A
Authority: CN
Inventors: 汉斯·博曼; 托比约恩·卡尔森
Original assignee: All Set Marine Lashing AB
Current assignee: Cargo Technology Finnish JSC; Trucking Technology Sweden
Priority date: 2004-04-01
Filing date: 2005-03-30
Publication date: 2008-02-27
Anticipated expiration: 2025-03-30
Also published as: SE0400864D0; WO2005095157A1; SE527501C8; JP4177870B2; JP2006523167A; CN1764561A; TWI271370B; SE0400864L; SE527501C2

Abstract

The present invention relates to a twist-lock device (1) to be connected to a corner fitting (5) of a container (3), comprising at least a first and a second housing part (9, 11; 109, 111; 209, 211), which housing parts (9, 11; 109, 111; 209, 211) abut against each other and form a housing (7; 107), by being interconnected by at least one locking means (25; 125), said housing (7; 107) enclosing parts of a rotatable engaging part (13, 15) which is at least partially insertable into and releasable in said corner fitting (5), the engaging part (13, 15) being rotatably mounted in said housing (7; 107) by means of a shaft portion (19) extending into the same, wherein said locking means (25; 125) is elongate and in its transverse direction laterally displaced relative to said shaft portion (19), the locking means (25; 125) being movable towards and away from the shaft portion (19) and yieldably loaded in one of these directions.

Description

Twist-lock device

Technical field

The present invention relates to be connected in the twist-lock device of the corner casting of freight container, this twist-lock device comprises first and second bracket components at least, described bracket component abuts against each other and forms support by at least one blocking device interconnection, described support seals the part of rotatable attachment, these rotatable attachment insert described corner casting neutralization at least partly and discharge from described corner casting, and these attachment are rotatably mounted in the described support by extending to the axial region in the described support.

Background technology

During goods on transporting for example freighter, train and truck, part-load, heavy duty and thermal container (thermo-container) are subjected to using significantly.Because the modular size of these freight containers and strong design allow folded ground of a plurality of freight containers to pile up, thereby are easy to it is carried out loading and unloading.Also freight container is piled up when in freight container, storing goods.This design of freight container makes institute's handling load be subjected to excellent protection in transportation and loading and unloading, and these freight containers are commonly referred to ISO freight container (IOS container).

The freight container of the above-mentioned type is rectangle normally, has bottom, top, two side and an end walls.An end wall is made up of door portion usually, and this one forms an opposite house usually, and each fan door of this opposite house is articulated in the opposite edges of described end wall.Corner casting is arranged at the corner of freight container usually and can connects and be solid freight container.

In order to connect and to be solid two or multi-container more, used the equipment that comprises lockable unitor, this lockable unitor can insert and be locked in the corner casting of ISO freight container.

WO9615052 discloses this type of lockable unitor, is referred to as twistlock (twist-lock) usually, is applicable to the corner casting that is fixed in freight container.Described lockable unitor is provided with two locking parts, and locking part is designed to screw cone, is suitable for moving to locking with the corner fittings that is called the ISO freight container engaging.Two screw cones load axial region by elasticity and connect, and this axial region is rotatable to be installed in the support.This support holding portion elasticity loads axial region and it is supported, and this support comprises the half-open portion of two stands, and half-open of described two stands is screwed in together by the screw that extension penetrates a half-open portion, and described screw is contained in the tapped bore in corresponding another half-open.

In the transport systems that comprises the ship that for example can load thousands of freight containers now, ground of a heap of freight container piles up, to maximally utilise free space.In order to guarantee the safety of this stowage in transportation, each freight container is connected at least one Neighbor Set vanning by the lockable unitor of for example the above-mentioned type, perhaps is connected in transportation means.Thereby the freight container that is piled up is locked to each other together and is locked to transportation means, thereby stable bonded assembly three-dimensional transport stack is provided.At present, on same ship, use about 10,000 lockable unitors unrare.This a small amount of minimizing that just means each lockable unitor cost can obtain huge economic benefit on more extensive.

If the breakage owing to for example wearing and tearing or abominable use of these lockable unitors then equally need be to these lockable unitor places under repair.These unitors that can be locked in the corner casting of freight container are generally used for outdoor environment, and this may cause for example corrosion of lockable unitor.Thereby, safeguard if desired, the risk that then exists the half-open portion of two stands to be difficult to discharge each other, may cause thus must time-consuming and high work.

Thereby, the lockable unitor of the above-mentioned type need be provided, it is cheap for manufacturing cost and be easy to care and maintenance.

Summary of the invention

The object of the present invention is to provide a kind of can the low-cost twist-lock device of making.

Another object of the present invention is to provide a kind of lightweight twist-lock device.

Another purpose is to provide a kind of twist-lock device of being convenient to Assembly ﹠Disassembly.

A purpose is to provide a kind of twist-lock device of compact conformation again.

To be achieved by twist-lock device by become tangible above-mentioned purpose and other purposes of following explanation according to the corner casting that is connected in freight container of claims.

According to an aspect of the present invention, twist-lock device is set to be connected in the corner casting of freight container, this twist-lock device comprises: at least the first and second bracket components, described bracket component abuts against each other and forms support by at least one blocking device interconnection, described support seals the part of rotatable attachment, these rotatable attachment insert described corner casting neutralization at least partly and discharge from described corner casting, these attachment are rotatably mounted in the described support by extending to the axial region in the described support, wherein said blocking device is elongated and is positioned at it transversely with respect to described axial region laterally offset ground, this blocking device can towards with move away from this axial region and on one of these directions, loaded flexiblely.

This causes twist-lock device to have simple structure and only needs several operations to make.Thus, the work that is reduced means that again the cost of each twist-lock device can reduce, and for the whole Load System that comprises a for example thousands of freight container, this will cause the remarkable reduction of cost.

In addition, allow to reduce material consumption according to twist-lock device of the present invention, thereby reduced weight and material cost.When for example their being inserted and shifting out the corner casting of freight container, in order to simplify manual handle to twist-lock device, the weight that need alleviate just.

In one embodiment, the end of described elongated blocking device is formed with the connection part of widening at least in one direction.In addition, described blocking device preferably is set to engage with first bracket component and second bracket component from the disengaged position to the engage position, with from the engage position to the disengaged position, separate with second bracket component with first bracket component, allow to connect and to separate described bracket component.This just provides the simple and effective Assembly ﹠Disassembly method of twist-lock device.

It will be appreciated by those skilled in the art that the described connection part of widening can form in every way.For example, these connection parts of widening can integrally form with blocking device.Also can be and obtain this connection part as global facility separately by element being arranged on the blocking device, so that the connection part of widening to be provided, described element can comprise for example nut, cotter pilotage, binding ring, circlip, spring cotter etc.Also can obtain the described connection part of widening by the distortion blocking device with bracket component and after together.

In addition, preferably, at least one side of each bracket component is provided with outstanding relative bonding portion, and described junction surface is set to cooperate with the respective end of described blocking device with engaging.

In a preferred embodiment, the described junction surface of described bracket component is provided with groove, to close cooperating that shape engages with the respective end of described blocking device, described groove has length at least one direction, with allow blocking device on described direction towards with move away from axial region.Thereby, this type of blocking device has reduced following risk, promptly, under the situation of traditional tightening member with the bracket component that is connected to each other of the screw in using the tapped bore that for example is contained in one of half-open portion of support, after through long-time the use, because for example corrosion causes and must dismantle blocking device by intensive work.

In addition, preferably, described groove shape becomes the re-spective engagement portion of passing.According to an embodiment, described blocking device is designed to speed and connects unitor.

Preferably, to such an extent as to but the like this described junction surface of elongated clamping of described blocking device, and the blocking device that is in engage position extends and its longitudinal axis crosses the dividing range of support and can move between disengaged position and engage position.The elongated shape of blocking device allows blocking device to extend through the half-open portion of respective holder on its engage position, according to closing the shape mode they are joined to one another.In a preferred embodiment, the rotation between disengaged position and engage position causes blocking device at first to be placed between the bracket component, and is rotated to the appropriate location by simple operations subsequently, so that bracket component is joined to one another.

In one embodiment, blocking device is set to can be around the rotation of its longitudinal axis, to move to during the locking of first and second bracket components engages.Preferably, the outstanding junction surface of each bracket component is formed with elliptical hole, to hold the respective end of blocking device.When according to present embodiment interconnection two stands parts, the end of blocking device is inserted in the corresponding elliptical hole of bracket component, rotational locking device preferably turns over 90 ° subsequently, closes the junction surface that shape engages the respective holder parts to allow its end.Should be understood that, can design the through hole that is arranged in the junction surface and the end of blocking device in every way, engage with the shape of closing of the rotation mode of blocking device allowing, thereby foregoing should be understood to illustrative examples.

In optional embodiment, blocking device rotatably is set, so that the plane that the composition surface between the bracket component is crossed in the mobile formation of its longitudinal axis basically, described blocking device is moved to during the locking of first and second bracket components engages.Preferably, the outstanding junction surface of each bracket component is formed with the open groove that inwardly extends to carriage center from a side.

In another optional embodiment, described blocking device is subjected to the elasticity loading and is resisted against engage position.In addition, preferably keep described blocking device in described engage position by described elastic load flexiblely.Equally preferably, described blocking device forms the guiding piece of actuating device, and described actuating device extends to internal stent and is set to activate described rotatable attachment.The elastic force that is applied can remain on blocking device on its engage position safely.Elastic force also can be preferably used for absorbing any rotary impact load on the attachment that put on twist-lock device.Be subjected at attachment under the situation of rotary impact load, blocking device moves in the support towards the elastic force that acts on blocking device, thus extrusion spring.The elastic load that puts on blocking device preferably obtains by coil spring.

In one embodiment, first bracket component and second bracket component are undertaken and can hingedly be connected to each other by the clamping unitor on the opposite side of described axial region with respect to described blocking device.The clamping unitor preferably be designed to can be inserted into each other gripper hook.Preferably, described clamping unitor is swing joint.In addition, the connection surface between first bracket component and second bracket component preferably is formed with the relative complementary difference at least one level, is parallel to the described displacement respect to one another that connects the surface with the opposing bracket component.In a preferred embodiment, the difference on the described level comprises at least one lug, and it is contained at least one relative complemental groove with closing shape.Preferred gripper hook allows the simple interconnection bracket component, and this situation compared with prior art can reduce the quantity of blocking device.

Preferred first bracket component and second bracket component are symmetrical along the dividing range between the bracket component.Symmetric shape means that the half-open portion of the two stands of twist-lock device is designed to essentially identical geometric configuration, and this can be avoided having to make two independent half-open portions with different geometric configuratioies of entering of being fitted to each other.

The twist-lock device of the above-mentioned corner casting of desiring to be connected in freight container is preferably by forging or casting iron creates.

Description of drawings

With reference to appended exemplary drawings, will illustrate in greater detail preferred embodiment below, wherein:

Fig. 1 schematically shows the ISO freight container that is provided with corner casting with transparent view and how to be connected in the Neighbor Set vanning by twist-lock device according to the present invention.

Fig. 2 a schematically shows first bracket component, second bracket component, spring element and the connecting device of twist-lock device embodiment according to the present invention of the existing corner casting that is connected in the ISO freight container with transparent view.

Fig. 2 b schematically shows the hook-shaped grip unitor of be used to be articulated and connected first bracket component and second bracket component with transparent view.

Fig. 3 a, 3b and 3c schematically show first bracket component of one embodiment of twist-lock device according to the present invention and second bracket component how by the order of blocking device interconnection with transparent view.

Fig. 4 a, 4b and 4c schematically show first bracket component of another embodiment of the twist-lock device according to the present invention and second bracket component how by the order of blocking device interconnection with transparent view.

Fig. 5 illustrates another hook-shaped grip unitor of each parts of support that are used to be articulated and connected.

The specific embodiment

Be casehistory, below will the present invention will be described in more detail by example and with reference to accompanying drawing.

The embodiment according to twist-lock device 1 of the present invention that is connected in the existing corner casting 5 of ISO freight container 3 generally includes: support 7, and this support is made of two

bracket components

9,11; The first rotatable tapered end 13 and the second relative rotatable tapered end 15, described twist-lock device 1 shown in Fig. 1.In addition, preferred twist-lock device comprises actuating device 17, in order to activate one of described first and second

tapered ends

13,15 at least.Described first and second

tapered ends

13,15 are arranged on each end that part is contained in the rotatable axial region 19 in the support 7, and support 7 constitutes the pivot supporting 21 of described rotatable axial region 19.

In addition, preferably, rotatable axial region 19 is loaded by elasticity with respect to support 7 in the following manner, promptly, first and second

tapered ends

13,15 are subjected to elastic load and always make every effort to be in latched position with respect to the corner casting 5 of freight container 3, and wherein they will be inserted into and be locked in the corner casting of described freight container.

In one embodiment,

tapered end

13,15 is designed to basically rectangular cone in the shape of a spiral, its length and width are less than the length and the width of the respective rectangular connection holes 23 of the corner casting 5 of freight container 3, and tapered end is suitable for inserting in these corresponding connection holes.Also tapered

end

13,15 can be designed to the ellipse spiral cone, it is suitable for inserting in the cooresponding big at least slightly ellipse or rectangle connection holes 23 of corner casting 5.

Shape and elasticity that tapered

end

13,15 is set for twist-lock device 1 load axial region 19, this makes that when ground of a heap piled up two freight containers 3, tapered

end

13,15 rotated to the position that tapered

end

13,15 can pass through the connection holes 23 on the corner casting 5 of freight container 3 from their initial lock position automatically.In case tapered

end

13,15 is moved past the inward flange of the connection holes 23 of corner casting 5, tapered

end

13,15 just is turned back to its latched position by the elastic force that applies bullet loading axial region 19 in support 7.On the latched position of

tapered end

13,15, its base portion closes shape with the inward flange of the connection holes 23 of corner casting 5 and engages.When putting on the edge of freight container 3 corner castings by force, but tapered

end

13,15 just takes place to be rotated to the insertion position from latched position, thereby the shape of

tapered end

13,15 causes rotating in the following manner, that is, reach permission it further inserts the positions of corner castings 5 by connection holes 23.

As shown in Figure 1, in freight container is piled up, will go up freight container and be placed on down on the freight container.In face down each corner of sidepiece of freight container of last freight container, for last freight container is provided with according to twist-lock device 1 of the present invention.In the time centrally will going up freight container basically and be reduced to down on the freight container, the end of the

tapered end

13,15 of each twist-lock device 1 will be inserted into down in the connection holes 23 of respective corners accessory 5 of freight container.Tapered

end

13,15 preferred pointed shape cause will going up the correct " loaded " position of freight container guiding with respect to following freight container.Continue will rotate

tapered end

13,15 gradually in the decline process at last freight container, as mentioned above, in the corner casting 5 that allows freight container under the further insertion.Be inserted into down the inward flange of connection holes 23 of respective corners accessory 5 of freight container when inboard in case will go up the

tapered end

13,15 of each twist-lock device 1 of freight container, just tapered

end

13,15 rotated to its latched position, thus freight container and the following freight container gone up fixed to one another.Should be understood that, also can adopt equivalent means to fix two freight containers arranged side by side.

In embodiment, when unloading the last freight container that is arranged on down container top, need open each twist-lock device 1, so that can be when freight container is gone up in lifting with each twist-lock device from discharging the freight container down according to Fig. 1.This can be achieved by each

tapered end

13,15 that rotates container corner seating under the joint and the position that holds them in the connection holes 23 that can pass freely through down freight container respective corners accessory 5.By actuating device 17 rotations and maintenance tapered

end

13,15, this actuating device 17 is connected in the elasticity that is enclosed in the support 7 rotatably and loads axial region 19.When tapered

end

13,15 rotation of the corner casting 5 that will engage down freight container and when remaining in their outflow location, then go up freight container and just can shift out each

tapered end

13,15 when unloading by the connection holes 23 of the respective corners accessory 5 of freight container down when promoting.

Fig. 2 a and 2b illustrate first and

second bracket components

9,11 of the twist-lock device 1 according to the present invention and the embodiment of blocking device 25, and this blocking device 25 is designed to speed and connects unitor with interconnection two stands parts 9,11.Each

bracket component

9,11 is made of central part 27 and two axle supports 29,31 of being positioned at central part 27 each

side.Axle support

29,31 forms semicircle groove, and penetrating circular shaft pivot supporting 21 is formed at the connection location of first and second bracket components 9,11.According to this embodiment blocking device 25 being designed to speed connects unitor blocking device 25 is only activated by several shirtsleeve operations.

In an illustrated embodiment, by be bonded with each other a short side of

bracket component

9,11 of hook-shaped grip unitor 33.Preferably, be that a bracket component is provided with a protrusion, its end forms the insertion section 35 of hook, and this insertion section is contained in the corresponding socket part 37 that is formed in other bracket components.

In the short side relative with above-mentioned hook-shaped grip unitor 33, bracket component is provided with from the

outstanding junction surface

39,41 of respective holder parts 9,11.Being subjected in the connection location of

bracket component

9,11, two

junction surfaces

39,41 are positioned to toward each other, to allow by blocking device 25

bracket component

9,11 that interconnects.According to the embodiment shown in Fig. 2 a and the 2b, each

junction surface

39,41 is provided with

ellipse hole

43,45, described through hole be set to basically toward each other and at the

junction surface

39,41 directions of extending from

respective holder parts

9,11 extend.

In embodiment according to Fig. 2 a and 2b, blocking device 25 is configured as elongated pin, its end is provided with

connection part

47,49, and described connection part is broadened and preferably has basically the cooresponding elliptical shape of shape in the

hole

43,45 in the

junction surface

39,41 with

bracket component

9,11 at least one direction.The shape that the

oval connection part

47,49 of blocking device 25 has makes them can pass through the

elliptical aperture

43,45 at the

junction surface

39,41 of

bracket component

9,11 on first free position, and can prevent that it from passing described

elliptical aperture

43,45 by closing shape joint (form-fitting egagement) on respect to second latched position of primary importance rotation.

Fig. 3 a, 3b how to illustrate by blocking device 25 will be according to the present invention two

stands parts

9,11 among the embodiment of twist-lock device 1 be joined to one another.When

interconnection bracket component

9,11, blocking device 25 orientations make that one of

oval connection part

47,49 can be by the

elliptical aperture

43,45 of a bracket component.Shown in Fig. 3 a, connect two

stands parts

9,11 by hook-shaped grip unitor 33 subsequently, thereby two stands

parts

9,11 are bonded with each other by the clamping unitor 33 that is arranged on a short side and can move between open position and off position.

In order to interconnect

bracket component

9,11, first bracket component and second bracket component also to be in the same place, the oval connection part of other of blocking device 25 is by the elliptical aperture of second bracket component.On the connection location according to the bracket component of Fig. 3 b, blocking device 25 extends through two

junction surfaces

39,41, and ellipse connects

connection part

47,49 is positioned

respective holder parts

9,11 back to (face away from) support 7 sidepiece.On this position, rotate described blocking device 25, with the

elliptical aperture

41,43 that

oval connection part

47,49 is positioned in the respective holder parts laterally, thereby close shape (action form-fitting) by the action that blocking device 25 is carried out and interconnect two

stands parts

9,11, this is shown in Fig. 3 c.

Should be understood that, before blocking device 25 is inserted a bracket component, also can interconnect

bracket component

9,11 by engaging hook-shaped grip unitor 33.In the case, after connecting

bracket component

9,11, at first the oval connection part with blocking device 25 inserts in the oval recess of a bracket component, connects

bracket component

9,11 then, with another oval connection part of same clamping blocking device 25.

Also should be understood that, interconnecting bracket component at 9,11 o'clock, be arranged in the support 7 according to other necessary parts of the twist-lock device 1 of Fig. 1.

In one embodiment, be provided with in the center of blocking device 25 longitudinal directions basically and import part (lead-in), with the actuating device 17 of guiding extension to the support.In the embodiment shown in Fig. 1-2 b, this guiding piece comprises the introduction part 51 with guide through hole 53, this guide through hole is used to hold the line that extends to the support outside from the support inboard, to allow to activate first and second

tapered ends

13,15 of twist-lock device 1, described tapered end is shown among Fig. 1 and is suitable for inserting at least in part in the corner casting of freight container.Described line is connected in axial region 19, and this axial region connects two tapered ends, and this line allows to have the power delivery effect in the process that activates with rotation tapered

end

13,15.

For

tapered end

13,15 is locked in the desired location, described introduction part 51 is provided with the line lock (wire lock) with groove 55 forms, and this groove extends by the edge of the introduction part 51 outside the support 7.This line lock is set to allow the line with actuating device 17 to be locked on the primary importance and the second place, wherein twist-lock device 1 tapered end is shown in an open position with respect to the corner casting 5 of freight container 3 on primary importance, and another tapered end of twist-lock device 1 is shown in an open position with respect to the corner casting 5 of freight container 3 on the second place.Preferably, twist-lock device 1 is formed with four grooves, and they are around at interval 90 ° each other equidistantly of this line guiding pieces (wire lead-in).Should and remain under the situation of open position the rotation of one of

tapered end

13,15, just line can be extracted support 7, by the sleeve pipe (not shown) that for example is arranged on the line it is moved in the suitable groove 55 of the online lock of locking, and it is engaged with a groove 55 lockings of line lock.Described sleeve pipe on the line preferably by crimp connection to line.

In addition, loaded by elasticity with respect to support 7 by helical spring element 57 according to the blocking device 25 of Fig. 1-2 b, this helical spring element 57 is arranged in the circular basically seat portion 59 that extends in the support 7.Helical spring element 57 is subjected to clamping, and the one circular end surface is resisted against on the support 7, and its another circular end surface is resisted against the introduction part 51 of blocking device, and this blocking device 25 is provided with circular guiding piece 61, with guiding ground support spring 57.By with the

elliptical aperture

43,45 of elasticity loading regime outside support 7 vertically on extruding blocking device 25, this elastic load helps blocking device 25 is remained on its engage position.This elastic load also allows blocking device 25 to be on its engage position, to be kept flexiblely, can absorb any impact load that is applied to tapered end 13,15.Thereby the flexible elasticity loading connection permission impact load that this type of applied of blocking device 25 is absorbed by the

connection part

47,49 and the cross travel of introduction part 51 in support 7 of blocking device.

In the embodiment according to Fig. 2 a, the guiding piece 61 of blocking device is provided with hypotenuse, with when blocking device 25 is allowed compression spring 57 backward when open position rotates to off position.

Bracket component

9,11 as shown in Fig. 1-2 b is respectively arranged with complementary lug 63 and groove 65, and both are engaged with each other in the mode of closing shape on the connection location of support 9,11.Groove 65 and lug 63 prevent

bracket component

9,11 on the connection location along the connection surface displacement each other that between

bracket component

9,11, forms.

Fig. 4 a-4c illustrates according to twist-lock device 1 of the present invention, and it has other embodiment of bracket component 109,111 and blocking device 125.Except bracket component 109,111 and blocking device 125, the element of twist-lock device is similar to the element according to the twist-lock device 1 of Fig. 1.Only difference between the embodiment of the embodiment of Fig. 3 a-3c and Fig. 4 a-4c below has been described.

With with the top mode identical according to the embodiment of Fig. 3 a-3c, be positioned at the short side relative according to the bracket component 109,111 of Fig. 4 a-4c with hook-shaped grip unitor 133, hook-shaped grip unitor 133 is provided with the junction surface 139,141 of giving prominence to from respective holder parts 109,111, to allow by blocking device 125 interconnection bracket components 109,111.In this embodiment, each junction surface 139,141 is provided with the open groove 143,145 that engages that extends internally from side.Preferably, engaging groove 143,145 with the right angle from support 107 bendings.When two stands parts 109,111 being coupled together with formation support 107, the engaging groove 143,145 of respective holder parts 109,111 extends through the side at each junction surface 139,141 on relative direction.

In the embodiment shown in Fig. 4 a-4b, blocking device 125 is configured as elongated pin, and its end is provided with connection part 147,149, and described connection part extends to the outside of this pin and has circle in an illustrated embodiment.

When being connected to each other two stands parts 109,111 by blocking device 125, at first utilize hook-shaped grip unitor 133 and together with two stands parts 109,111.Subsequently, blocking device 125 is inserted between the junction surface 139,141 of two stands parts, after this, the bracket component 109,111 of hinged interconnection is moved to off position from open position, shown in Fig. 4 a.Then, blocking device 125 is rotated to from the joint groove 143,145 that the edge at the junction surface 139,141 of each bracket component extends internally.By rotational locking device 125 on the plane of crossing the connection surface between the bracket component 109,111 basically, blocking device 125 is inserted re-spective engagement groove 143,145.When blocking device 125 being rotated to its position that is substantially perpendicular to the connection surface extension between the bracket component 109,111, just this blocking device 125 is laterally moved in the sweep away from support 107 of described engaging groove 143,145, to enter its engage position.

In addition, for be arranged on the blocking device and be suitable for guiding the elasticity of importing part, line lock, hook-shaped grip unitor, the blocking device of actuating device to load keeping, in the flexible structure that there are differences on the maintenance that allows the compensation impact load and level with the displacement of resisting bracket component each other of the latched position of blocking device, according to the embodiment of Fig. 4 a-4c have with according to the equal structure of the embodiment of Fig. 1-2 b, thereby, with these functions that no longer illustrate according to the embodiment of Fig. 4 a-4c.

In the embodiment shown in the partial view of Fig. 5, in a short side bracket component 209,211 is engaged with each other together by hook-shaped grip unitor 233.This clamping unitor is formed with insertion section 235 and the socket part 237 that is arranged on the respective holder parts.When with bracket component 209,211 and together, the insertion section 235 of bracket component 209,211 is contained in the corresponding socket part 237 of relative bracket component 209,211.This embodiment allows these parts of first bracket component and second bracket component along the surface of the connection between the bracket component 209,211 mirror images of each other, and these parts form clamping unitor 233 together.

In another optional embodiment (not shown) of the present invention, can on the connection location of bracket component, the junction surface be set, this junction surface has on the same side of support the open groove that engages that extends internally from side, described engaging groove preferably with the right angle from the support bending.With the embodiment shown in Fig. 4 a-4c relatively, in this optional embodiment, for the bracket component that is connected to each other, by cross this blocking device longitudinally substantial lateral move, blocking device is inserted in the engaging groove, to enter engage position; And in the embodiment shown in Fig. 4 a-4c, the blocking device that is in according to the primary importance of Fig. 4 a is changed in the engaging groove, to enter engage position.

Those skilled in the art should be understood that twist-lock device 1 according to the present invention also comprises and are different from other designs of above-mentioned design-calculated, for example only comprise one can be by the twist-lock device of the tapered end of actuating device rotation.

Those skilled in the art also should be understood that, can actuating device be set according to different modes; For example extend to the lever in the support, it can connect the axial region that is positioned at support.By operating this lever, rotation can be transferred to the tapered end that at least one connects described axial region.

In addition, it will be apparent to those skilled in the art that as above in conjunction with Figure 1, can carry out loading and unloading, wherein descend freight container to be provided with according to twist-lock device 1 of the present invention.At this moment, reduce upward freight container, to engage with described twist-lock device locking by the corner casting that is arranged on the freight container towards described freight container down.In uninstall process, release and keep tapered end in the same manner is so that when freight container from container lifting down, twist-lock device just can discharge from last freight container.

Claims

1. twist-lock device (1) that is connected in the corner casting (5) of freight container (3), this twist-lock device comprises: at least the first and second bracket components (9,11; 109,111; 209,211), described bracket component (9,11; 109,111; 209,211) abut against each other and by at least one blocking device (25; 125) interconnection and form support (7; 107), described support (7; 107) seal the part of rotatable attachment (13,15), these rotatable attachment (13,15) can insert described corner casting (5) at least partly and can discharge from described corner casting (5), and these attachment (13,15) are by extending to described support (7; 107) axial region in (19) and be rotatably mounted in described support (7; 107) in, it is characterized in that described blocking device (25; 125) be elongated and be positioned at it transversely, this blocking device (25 with respect to described axial region (19) laterally offset ground; 125) can towards with move and on one of these directions, be subjected to flexible loading away from this axial region (19).

2. twist-lock device as claimed in claim 1 (1), wherein said blocking device (25; 125) end is formed with the connection part of widening at least in one direction (47,49; 147,149).

3. twist-lock device as claimed in claim 1 or 2 (1), wherein said blocking device (25; 125) be set to from the disengaged position to the engage position and first bracket component and second bracket component (9,11; 109,111; 209,211) engage and from the engage position to the disengaged position and first bracket component and second bracket component (9,11; 109,111; 209,211) separate, to allow to connect and separate described bracket component (9,11; 109,111; 209,211).

4. twist-lock device as claimed in claim 1 or 2 (1), wherein each bracket component (9,11; 109,111; 209,211) at least one side is provided with outstanding relative bonding portion (39,41; 139,141), described junction surface (39,41; 139,141) be arranged to and described blocking device (25; 125) respective end engages ground and cooperates.

5. twist-lock device as claimed in claim 4 (1), wherein said bracket component (9,11; 109,111; 209,211) described junction surface (39,41; 139,141) porose/groove (43,45 is set; 143,145), with described blocking device (25; 125) respective end is closed the cooperation that shape engages, described groove (43,45; 143,145) at least one direction, has length, to allow blocking device (25; 125) on described direction towards with move away from axial region (19).

6. twist-lock device as claimed in claim 5 (1), wherein said groove (43,45; 143,145) form the re-spective engagement portion (39,41 of passing; 139,141).

7. twist-lock device as claimed in claim 1 or 2 (1), wherein said blocking device are that speed connects unitor.

8. twist-lock device as claimed in claim 4 (1), wherein said blocking device (25; 125) thus be the described junction surface (39,41 of elongated clamping; 139,141), and wherein be in the blocking device (25 of engage position; 125) extension and its longitudinal axis cross the dividing range of support basically and can move between disengaged position and engage position.

9. twist-lock device as claimed in claim 1 or 2 (1), wherein blocking device (25; 125) being set to can be around its longitudinal axis rotation, to move to and first and second bracket components (9,11; 109,111; 209,211) during locking engages.

10. twist-lock device as claimed in claim 4 (1), wherein each bracket component (9,11; 209,211) Tu Chu junction surface (39,41) are formed with elliptical hole (43,45), to hold the respective end of blocking device (25).

11. twist-lock device as claimed in claim 1 or 2 (1) wherein rotatably is provided with blocking device (25), so that bracket component (9,11 is crossed in the mobile formation of its longitudinal axis basically; The plane of the composition surface 209,211) is to move to described blocking device (25) and first and second bracket components (9,11; 209,211) during locking engages.

12. twist-lock device as claimed in claim 4 (1), wherein the outstanding junction surface (139,141) of each bracket component (109,111) is formed with the open groove (143,145) that inwardly extends to support (107) center from a side.

13. twist-lock device as claimed in claim 1 or 2 (1), wherein said blocking device (25; 125) being subjected to elasticity loads to be resisted against engage position.

14. twist-lock device as claimed in claim 13 (1), wherein said elastic load remain in the described blocking device (25 of described engage position flexiblely; 125).

15. twist-lock device as claimed in claim 1 or 2 (1), wherein said blocking device (25; 125) guiding piece of formation actuating device (17), described actuating device (17) extends to support (7; 107) inner and be set to activate described rotatable attachment (13,15).

16. twist-lock device as claimed in claim 1 or 2 (1), wherein first bracket component and second bracket component (9,11; 109,111; 209,211) with respect to described blocking device (25; 125) on the opposite side of described axial region by clamping unitor (33; 133; 233) carry out and hingedly to be connected to each other.

17. twist-lock device as claimed in claim 16 (1), wherein said clamping unitor be formed with can be inserted into each other gripper hook (35,37; 235,237).

18. as twist-lock device (1) as described in the claim 16, wherein the clamping unitor (33; 133; 233) comprise swing joint.

19. twist-lock device as claimed in claim 1 or 2 (1), wherein first bracket component and second bracket component (9,11; 109,111; 209,211) the connection surface between is formed with the complementary relatively difference (63,65) at least one level, with opposing bracket component (9,11; 109,111; 209,211) be parallel to the described displacement respect to one another that connects the surface.

20. twist-lock device as claimed in claim 19 (1), the difference on the wherein said level comprise at least one lug (63), it is contained at least one relative complemental groove (65) with closing shape.

21. twist-lock device as claimed in claim 1 or 2 (1), wherein first bracket component and second bracket component (9,11; 109,111; 209,211) along bracket component (9,11; 109,111; 209,211) dividing range between is symmetrical.