CN113236503A

CN113236503A - Supporting component and conveying device

Info

Publication number: CN113236503A
Application number: CN202110637878.6A
Authority: CN
Inventors: 刘银平; 张东; 薛金东
Original assignee: Sany Renewable Energy Co Ltd
Current assignee: Sany Renewable Energy Co Ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-08-10
Anticipated expiration: 2041-06-08
Also published as: CN113236503B

Abstract

The invention provides a supporting assembly and a conveying device, wherein the supporting assembly comprises a fixing device, a supporting device and a connecting device, and the fixing device is suitable for being connected with a rear underframe of a fan cabin; the support means comprises at least one support adapted to support the fixing means; the connecting device is arranged on the supporting device and used for combining or separating the fixing device and the supporting device. According to the invention, the fixing device is connected with the support piece to be supported, after the fixing device and the support device are combined by the connecting device, the support component can move simultaneously along with the support piece to be supported when the support piece to be supported is hoisted, and the support piece to be supported and the support component do not need to be aligned for many times, so that the hoisting efficiency is improved, and the risk of manual adjustment is reduced.

Description

Supporting component and conveying device

Technical Field

The invention relates to the technical field of wind driven generators, in particular to a supporting assembly and a conveying device.

Background

At present, for a workpiece with a large total weight (such as a large megawatt fan cabin), during transportation, a supporting platform and a jack are usually supported at the tail of the fan cabin, and due to the fact that the supporting platform, the jack and the fan cabin are separated, alignment is difficult during hoisting, repeated measurement and adjustment are needed, hoisting efficiency is reduced, and position and height need to be adjusted in a hoisting state, so that potential safety hazards exist.

Disclosure of Invention

The invention aims to improve the hoisting efficiency and safety of the fan engine room.

To solve the above problems, the present invention provides a support assembly comprising:

a fixing device adapted to be connected with a member to be supported;

a support device comprising at least one support adapted to support the fixture;

a connecting device disposed on the supporting device, the connecting device being used to combine or separate the fixing device and the supporting device.

Optionally, the connecting device includes a limiting member, the limiting member has a locking state and an unlocking state, the limiting member is adapted to combine the fixing device and the supporting device in the locking state, and the limiting member is adapted to separate the fixing device and the supporting device in the unlocking state.

Optionally, the fixing device is provided with an inner cavity and a first channel communicated with the inner cavity, and the limiting member is adapted to move to the unlocking state so as to extend into or separate from the inner cavity through the first channel; the limiting piece is suitable for moving to the locking state to be limited in the inner cavity.

Optionally, the fixing device includes a mounting plate and a connecting seat connected to each other, the mounting plate is adapted to be connected to the support member, the connecting seat is adapted to be supported on the support member, and the connecting seat is provided with the inner cavity and the first channel.

Optionally, the connecting device further includes a power device, the power device is disposed on the supporting device, the power device is in driving connection with the limiting member, and the power device is adapted to drive the limiting member to move.

Optionally, the supporting member includes a member body and a mounting head connected to each other, a part of the limiting member is rotatably disposed between the member body and the mounting head, and another part of the limiting member is adapted to pass through the mounting head and be disposed in cooperation with the fixing device.

Optionally, the piece body is provided with a second channel that runs through, power device includes the dwang, the dwang is worn to locate the second channel is connected the locating part.

Optionally, power device still includes the power spare, the power spare with dwang drive connection, the power spare passes through the dwang drive the locating part rotates.

Optionally, the connecting device comprises a fastener, the fixing device comprises a magnetic part, the magnetic part is arranged on the supporting part, and the fastener is suitable for connecting the magnetic part and the supporting device.

It is a further object of the present invention to provide a transportation device comprising a support assembly as described above.

Compared with the prior art, the invention has the beneficial effects that: fixing device with treat that the support piece is connected, combine back at connecting device with fixing device and strutting arrangement, when treating the handling of support piece, the supporting component can be along with treating the support piece simultaneous movement, treat that support piece and supporting component need not adjust well many times, not only improved hoist and mount efficiency, reduced the risk of artificial adjustment moreover.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a support assembly of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view from one perspective of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic structural view of one embodiment of a fastening device according to the present invention;

FIG. 6 is a cross-sectional view of one aspect of the fastening device of the present invention;

FIG. 7 is a schematic structural view of one embodiment of a connection device according to the present invention;

FIG. 8 is a schematic structural view of an embodiment of the support device of the present invention;

FIG. 9 is a schematic structural view of another embodiment of the support assembly of the present invention;

fig. 10 is a cross-sectional view from one perspective of fig. 9.

Description of reference numerals:

1. a fixing device; 11. a connecting seat; 111. a first channel; 112. an inner cavity; 12. mounting a plate; 2. a support device; 21. a support member; 211. a piece body; 2111. a second channel; 212. a mounting head; 22. a support frame; 221. a placement space; 3. a connecting device; 31. a limiting member; 311. a latch bolt; 312. connecting columns; 313. a positioning column; 32. a power plant; 321. rotating the rod; 322. and a power part.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the drawings, the Z-axis represents the vertical, i.e., up-down, position, and the positive direction of the Z-axis (i.e., the arrow of the Z-axis points) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the X-axis represents a horizontal direction and is designated as a left-right position, and a positive direction of the X-axis (i.e., an arrow direction of the X-axis) represents a right side and a negative direction of the X-axis (i.e., a direction opposite to the positive direction of the X-axis) represents a left side; in the drawings, the Y-axis indicates the front-rear position, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) indicates the front side, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) indicates the rear side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

As shown in fig. 1, an embodiment of the present invention provides a support assembly, comprising a fixing device 1, a support device 2 and a connecting device 3, wherein the fixing device 1 is suitable for being connected with a support to be supported; said support means 2 comprise at least one support 21, said support 21 being adapted to support said fixing means 1; the connecting device 3 is disposed on the supporting device 2, and the connecting device 3 is used for combining or separating the fixing device 1 and the supporting device 2.

In this example. The to-be-supported member may be a wind turbine nacelle, a wind turbine blade, or the like, and the to-be-supported member is specifically described below as the wind turbine nacelle. The fixing device 1 is arranged on the main beams at two sides of the rear underframe of the fan nacelle, the number of the supporting pieces 21 is not limited, and the number of the supporting pieces 21 can be one, two or more, and preferably, the number of the supporting pieces 21 is two. When only one support member 21 is provided, the support member supports the fixing device 1 on the main beams at two sides of the rear chassis through an auxiliary plate; when the number of the supporting pieces 21 is more than two, each supporting piece 21 is matched with one fixing device 1, as shown in fig. 1, two supporting pieces 21 are arranged, and when the fan cabin is lifted, the two supporting pieces 21 are hung on the main beams on the two sides of the rear underframe of the fan cabin through one fixing device 1 respectively; after the fan cabin is lifted to the vehicle, the two supporting pieces 21 are respectively supported below the main beams on the two sides of the rear underframe of the fan cabin through a fixing device 1.

For big megawatt fan cabin, current supporting component generally has two support positions, one is located the lower extreme the place ahead in fan cabin, one is located the afterbody in fan cabin, however, support at the afterbody, the focus is the back partially, supporting component bears the torsional capacity limitedly, there is great transportation potential safety hazard, in this embodiment, fixing device 1 is connected with the back chassis in fan cabin, move forward to back chassis department about being about to fan cabin afterbody support position, like this, not only make supporting component have certain torsional capacity, avoid the potential safety hazard appearing when the transportation, moreover, supporting component equally can be used to fan cabin stock dump, no longer need set up the frock in addition and support. Because the fixing device 1 is connected with the rear underframe of the fan cabin, after the connecting device 3 combines the fixing device 1 and the supporting device 2, the supporting component can move simultaneously along with the fan cabin when the fan cabin is hoisted, and the fan cabin and the supporting component do not need to be aligned for many times, so that the hoisting efficiency is improved, and the risk of artificial adjustment is reduced; when not needed to pass through the support assembly, the fixture 1 and the support 2 may be separated by the connection means 3.

Optionally, the connecting device 3 includes a limiting member 31, the limiting member 31 has a locking state and an unlocking state, the limiting member 31 is adapted to combine the fixing device 1 and the supporting device 2 in the locking state, and the limiting member 31 is adapted to separate the fixing device 1 and the supporting device 2 in the unlocking state.

In this embodiment, the locking state and the unlocking state of the limiting member 31 are relative to the fixing device 1, that is, the limiting member 31 can move relative to the fixing device 1, and the movement form may be sliding or rotating. When the limiting piece 31 moves to a locking state relative to the fixing device 1, the fixing device 1 is combined with the supporting device 2, and when the fan engine room is hoisted, the whole supporting assembly is hoisted together with the fan engine room; when the limiting member 31 moves to the unlocking state relative to the fixing device 1, the fixing device 1 and the supporting device 2 are separated, and the supporting device 2 can be rapidly detached.

Optionally, the fixing device 1 is provided with an inner cavity 112 and a first passage 111 communicating with the inner cavity 112, and the limiting member 31 is adapted to move to the unlocking state to extend into or disengage from the inner cavity 112 through the first passage 111; the retaining member 31 is adapted to move to the locking state to be retained in the inner cavity 112.

In this embodiment, as shown in fig. 5 and 6, the fixing device 1 is provided with an inner cavity 112 and a first channel 111, and the first channel 111 is located below the inner cavity 112, that is, the inner cavity 112 and the first channel 111 are communicated in the up-down direction, wherein the cross section of the first channel 111 is rectangular, the cross section of the inner cavity 112 is square or circular, and the size of the end surface of the inner cavity 112 communicated with the first channel 111 is larger than the size of the first channel 111. The limiting piece 31 comprises a lock tongue 311, wherein the lock tongue 311 is a conical body, the two opposite sides of the conical body are chamfered to form avoiding surfaces, when the two avoiding surfaces of the conical body are respectively parallel to the two long-side inner walls of the first channel 111, the limiting piece 31 is in an unlocking state, and the limiting piece 31 can pass through the first channel 111 and enter the inner cavity 112; when the conical body is located in the inner cavity 112 and two avoiding surfaces of the conical body and two long-side inner walls of the first channel 111 are arranged at an angle, the limiting member 31 is in a locking state, the limiting member 31 is hung in the inner cavity 112 of the fixing device 1, and the connecting device 3 is connected with the supporting device 2, so that the fixing device 1 and the connecting device 3 are combined.

So set up, when needs combine connecting device 3 and fixing device 1, move locating part 31 to the locking position for fixing device 1, impel whole supporting component to follow the handling of fan cabin together. When the connecting device 3 and the fixing device 1 need to be separated, the limiting member 31 is moved to the unlocking position relative to the fixing device 1, and the supporting device 2 and the connecting device 3 can be quickly detached.

Optionally, the fixing device 1 comprises a mounting plate 12 and a connecting seat 11 connected to each other, the mounting plate 12 is adapted to be connected to the support member to be supported, the connecting seat 11 is adapted to be supported on the support member 21, and the connecting seat 11 is provided with the inner cavity 112 and the first passage 111.

In this embodiment, as shown in fig. 5, the connecting seat 11 is cylindrical, and the inner cavity 112 and the first passage 111 are sequentially arranged along the axial direction of the connecting seat 11, and the size of the first passage 111 is smaller than that of the inner cavity 112, and a step shape is formed at the junction of the two. Mounting panel 12 sets up in the circumference lateral wall of connecting seat 11, is equipped with the connecting hole on the mounting panel 12, be equipped with on the rear chassis in fan cabin with connecting hole complex mounting hole, after aligning connecting hole and mounting hole, connect through fasteners such as screw or bolt.

So set up, fixing device 1's mounting panel 12 can be dismantled with the rear chassis in fan cabin and be connected, and locating part 31 and fixing device 1's connecting seat 11 realize being affiliated to or the separation, because fixing device 1's simple structure, its be convenient for with the rear chassis in fan cabin, connecting device 3 and strutting arrangement 2 cooperation to firmly install whole supporting component in the rear chassis department in fan cabin.

Optionally, the connecting device 3 further includes a power device 32, the power device 32 is disposed on the supporting device 2, the power device 32 is in driving connection with the limiting member 31, and the power device 32 is adapted to drive the limiting member 31 to move.

In this embodiment, the connecting device 3 further includes a power device 32, the power device 32 is disposed on the supporting device 2, the power device 32 may be disposed on the supporting member 21 or the supporting frame 22, the power device 32 is in driving connection with the limiting member 31, and the power device 32 is adapted to drive the limiting member 31 to move.

With such an arrangement, since the power device 32 is in driving connection with the limiting member 31, when the fixing device 1 and the supporting device 2 need to be combined, the power device 32 drives the limiting member 31 to move to the locking state; when the fixing device 1 and the supporting device 2 need to be separated, the power device 32 drives the limiting member 31 to move to the unlocking state.

Alternatively, the supporting member 21 includes a member body 211 and a mounting head 212 connected to each other, a part of the limiting member 31 is rotatably disposed between the member body 211 and the mounting head 212, and another part of the limiting member 31 is adapted to pass through the mounting head 212 to be disposed in cooperation with the fixing device 1.

In the present embodiment, as shown in fig. 3 and 4, the supporting member 21 includes a member body 211 and a mounting head 212, the member body 211 and the mounting head 212 are detachably connected, in one case, the member body 211 and the mounting head 212 are provided with matching threaded holes, and after the threaded holes of the member body 211 and the mounting head 212 are aligned, the member body 211 and the mounting head 212 are fastened by screws; in another case, the member body 211 and the mounting head 212 are provided with mating flanges on their circumferential side walls, the flanges are provided with mating through holes, and the through holes of the two faraday plates are aligned and then fastened together by bolts.

In this embodiment, a part of the limiting member 31 is rotatably disposed between the member body 211 and the mounting head 212, and another part of the limiting member 31 passes through the mounting head 212 to be disposed in cooperation with the fixing device 1. Specifically, the mounting head 212 is provided with a through passage and a first slot structure communicated with the passage, and the first slot structure is arranged at one end of the mounting head 212 facing the element body 211; one surface of the piece body 211 facing the mounting head 212 is provided with a second groove structure; after the mounting head 212 and the piece body 211 are assembled. The first slot structure and the second slot structure form a positioning slot. The limiting member 31 further includes a positioning column 313 and a connecting column 312, the positioning column 313, the connecting column 312 and the locking tongue 311 are integrally formed, the positioning column 313 is rotatably disposed in the positioning groove, the connecting column 312 and the locking tongue 311 pass through the passageway, the locking tongue 311 is in a locking state or an unlocking state relative to the fixing device 1, as shown in fig. 7, the positioning column 313 and the connecting column 312 are both cylindrical columns, one end of the connecting column 312 is disposed at a central position of the positioning column 313, and the other end of the connecting column 312 is disposed at a central position of the locking tongue 311.

With this arrangement, when the limiting member 31 is installed, the mounting head 212 is firstly ensured to be detached from the supporting member 21, then the positioning post 313 of the limiting member 31 is placed in the second slot structure of the member body 211, the passageway of the mounting head 212 is made to pass through the locking tongue 311 and the connecting post 312 until the first slot structure of the mounting head 212 and the second slot structure of the member body 211 form a positioning slot, and finally the mounting head 212 and the supporting member 21 are fixed.

Optionally, the component body 211 is provided with a second passage 2111 extending therethrough, and the power device 32 includes a rotating rod 321, wherein the rotating rod 321 is inserted into the second passage 2111 and connected to the limiting component 31.

In this embodiment, the part body 211 is provided with a through second channel 2111, as shown in fig. 3 and 4, the part body 211 is cylindrical, the part body 211 is provided with the through second channel 2111 along the axis direction (Z axis direction), the power device 32 includes a rotating rod 321, the rotating rod 321 is arranged through the second channel 2111 and connected to the limiting part 31, specifically, the positioning column 313 of the limiting part 31 is provided with a groove structure, one end of the rotating rod 321 extends into the groove structure and is connected to the positioning column 313, and the connection mode may be clamping, bonding or threaded connection.

So arranged, the piece body 211 can function as a hiding rotating lever 321. When the fixing device 1 and the supporting device 2 need to be combined, the rotating rod 321 rotates to drive the limiting member 31 to move to the locking state; when the fixing device 1 and the supporting device 2 need to be separated, the rotating rod 321 rotates to drive the limiting member 31 to move to the unlocking state.

Optionally, the power device 32 further includes a power member 322, the power member 322 is in driving connection with the rotating rod 321, and the power member 322 drives the limiting member 31 to rotate through the rotating rod 321.

In this embodiment, the power member 322 is a handle or a motor, and when the power member 322 is a motor, the motor is disposed on the support frame 22 (described later), in one embodiment, a rotating shaft of the motor is directly connected to the rotating rod 321, in another embodiment, a lower end of the rotating rod 321 is rotatably connected to the support frame 22, and the rotating shaft of the motor is drivingly connected to the rotating rod 321 through a gear transmission mechanism. When the power member 322 is a handle, the lower end of the rotating rod 321 is rotatably connected to the supporting frame 22, the handle is detachably connected to the rotating rod 321, and the rotating rod 321 is driven to rotate by the handle.

With such an arrangement, when the fixing device 1 and the supporting device 2 need to be combined, the power member 322 works to drive the rotating rod 321 to rotate, so as to cause the limiting member 31 to move to the locking state; when the fixing device 1 and the supporting device 2 need to be separated, the power member 322 works to drive the rotating rod 321 to rotate, so as to cause the limiting member 31 to move to the unlocking state.

In other embodiments, the power device 32 includes a motor, the motor is disposed inside the supporting member 21, a motor shaft of the motor is directly in driving connection with the limiting member 31, and when the motor rotates, the limiting member 31 directly follows to rotate to switch between the locked state and the unlocked state.

Alternatively, as shown in fig. 9 and 10, the connecting device 3 comprises a fastening member, the fixing device 1 comprises a magnetic member, the magnetic member is disposed on the supporting member 21, and the fastening member is adapted to connect the magnetic member and the supporting device 2.

In this embodiment, the magnetism spare is the strong magnet, so when the magnetism spare contacts with the rear chassis in fan cabin, under the effect of magnetic force, can adsorb the magnetism spare firmly on the rear chassis in fan cabin.

In one embodiment, the fixing device 1 includes a magnetic member, a portion of the magnetic member is supported on the supporting member 21, another portion of the magnetic member extends into the supporting member 21 and is connected to a spring member, the fastening member includes a pull rod, one end of the pull rod is hooked to the spring member, and the other end of the pull rod is connected to a supporting frame 22 (described later) through a nut.

In another embodiment, the fixing device 1 includes a magnetic member disposed on the supporting member 21, and the fastening member includes a pull rod passing through the supporting member 21, and one end of the pull rod is connected to the magnetic member by a screw, and the other end of the pull rod is connected to a supporting frame 22 (described later) by a nut.

So set up, because fan cabin rear chassis is made for the metal material, the magnetic part can adsorb in fan cabin's rear chassis department. And can realize the combination or separation of the fixing device 1 and the supporting device 2 under the action of the connecting device 3.

Optionally, the supporting device 2 further includes a supporting frame 22, and the supporting member 21 is disposed on the supporting frame 22.

In this embodiment, as shown in fig. 8, the supporting device 2 further includes a supporting frame 22, the supporting member 21 is disposed on the supporting frame 22, specifically, the supporting frame 22 includes an upper plate body, a lower plate body and a connecting plate connecting the upper plate body and the lower plate body, and meanwhile, the two ends of the supporting frame 22 in the length direction are provided with reinforcing seats along the width direction, so as to improve the supporting strength of the supporting frame 22. The supporting device 2 is welded on the supporting frame 22, and a reinforcing rib is arranged at the joint of the supporting frame 22 and the supporting piece 21. As shown in fig. 1, two supporting members 21 are provided, and the two supporting members 21 are respectively disposed at two ends of the supporting frame 22 in the length direction.

So set up, after fan cabin hoist to the vehicle, support frame 22 supports on the chassis of vehicle, and it no longer requires the rear portion of vehicle must level and smooth, and the haulage vehicle requirement reduces, and adaptability is wide.

In this embodiment, be equipped with on the support frame 22 and place space 221, when fixing device 1 includes connecting seat 11 and mounting panel 12, as shown in fig. 2, a part of dwang 321 and handle stretch into and place space 221, from this, the rotation that dwang 321 can be realized to the handle that rotates in placing space 221, the space 221 of placing of support frame 22 can play the effect of protection handle, avoid in the handling, because the handle exposes and leads to the mistake touching outside, thereby cause the pivoted condition of dwang 321. When the fixing device 1 comprises a magnetic part, a part of the pull rod extends into the placing space 221 and is fastened through the nut, the effect of fixing the magnetic part is achieved, the placing space 221 of the support frame 22 can provide an operating space for locking the nut, the fastening of the pull rod is convenient to achieve, and the condition of the joint of the pull rod and the support frame 22 can be observed.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. A support assembly, comprising:

a fixing device (1) suitable for being connected to a support to be supported;

-a support device (2) comprising at least one support (21), said support (21) being adapted to support said fixture device (1);

-connection means (3) arranged on said support means (2), said connection means (3) being intended to join or separate said fixing means (1) and said support means (2).

2. The support assembly according to claim 1, wherein the connection device (3) comprises a stop member (31), the stop member (31) having a locked state and an unlocked state, the stop member (31) being adapted to couple the fixation device (1) and the support device (2) in the locked state, the stop member (31) being adapted to decouple the fixation device (1) and the support device (2) in the unlocked state.

3. The support assembly according to claim 2, wherein the fixation device (1) is provided with an inner cavity (112) and a first passage (111) communicating with the inner cavity (112), the retaining member (31) being adapted to move to the unlocked state to protrude into or disengage from the inner cavity (112) through the first passage (111); the limiting piece (31) is suitable for moving to the locking state to limit in the inner cavity (112).

4. A support assembly according to claim 3, wherein the fixing device (1) comprises a mounting plate (12) and a connecting socket (11) connected to each other, the mounting plate (12) being adapted to be connected to the member to be supported, the connecting socket (11) being adapted to be supported on the support member (21), and the connecting socket (11) being provided with the inner cavity (112) and the first passage (111).

5. The support assembly according to claim 2, wherein the connecting device (3) further comprises a power device (32), the power device (32) is disposed on the support device (2), the power device (32) is in driving connection with the limiting member (31), and the power device (32) is adapted to drive the limiting member (31) to move.

6. The support assembly according to claim 5, wherein the support member (21) comprises a member body (211) and a mounting head (212) connected to each other, one part of the limiting member (31) being rotatably arranged between the member body (211) and the mounting head (212), the other part of the limiting member (31) being adapted to be arranged in cooperation with the fixing device (1) through the mounting head (212).

7. The support assembly according to claim 6, wherein the body (211) is provided with a second channel (2111) extending therethrough, and the power device (32) comprises a rotating rod (321), and the rotating rod (321) is inserted into the second channel (2111) and connected to the stopper (31).

8. The support assembly according to claim 7, wherein the power device (32) further comprises a power member (322), the power member (322) is in driving connection with the rotating rod (321), and the power member (322) drives the limiting member (31) to rotate through the rotating rod (321).

9. Support assembly according to claim 1, characterized in that said connection means () comprise a fastener, said fixing means (1) comprising a magnetic element arranged on said support (21), said fastener being suitable for connecting said magnetic element and said support means (2).

10. A transport device comprising a support assembly as claimed in any one of claims 1 to 9.