CN212351951U - Locking device and supporting structure with same - Google Patents

Abstract

The utility model provides a locking device and have its bearing structure, locking device are used for supporting frock and bogie locking, and locking device includes: the connecting assembly is provided with a positioning part, and the positioning part is used for being connected with the supporting tool; the locking assembly is provided with a blocking plate, and the blocking plate is movably arranged on the connecting assembly and forms a fixing area with adjustable size with the positioning part; the locking assembly is in a locking state and an unlocking state, and the blocking plate pushes against the bogie, so that the locking assembly is in the locking state after the bogie and the supporting tool are tightly propped; after the blocking plate is separated from the bogie, the locking assembly is in an unlocking state. The utility model discloses a locking device has solved the framework among the prior art and has stacked unstable problem.

Description

Locking device and supporting structure with same

Technical Field

The utility model relates to a rail vehicle technical field particularly, relates to a locking device and have its bearing structure.

Background

In the prior art, after the standard motor train unit bogie frame is assembled in a forward and reverse mode, in order to save an operation field, frames on the same trolley are often required to be stacked together in a processing workshop to be stored, so that the space is saved. The current practice is to place a frame support on top of the bottommost frame, then place a second frame on the support, and so on to stack the frames, thereby saving storage space.

However, when the frames are stacked, there are the following problems:

the first problem is that: in order to ensure the stacking stability and prevent the support from tilting to cause the collision and the breakage of the framework pipeline, a plurality of persons are required to be matched with the overhead travelling crane for lifting to complete the operation, so that the labor force is increased and the cost is increased;

the second problem is that: when potential safety hazards such as potential safety hazards and deflection of the framework occur, personal injury is easily caused by the fact that an operator holds the frame at the lower side of the framework;

the third problem is that: when an operator supports or does not support, the support is prone to being inclined and falling onto the framework, the pipeline of the framework is broken, deformed and damaged, and cost loss is caused.

Therefore, the problem of unstable stacking of the bogie in the prior art is known.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a locking device and a support structure having the same to solve the problem of instability of the bogie stacking in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a locking device for locking a support tool with a bogie, the locking device comprising: the connecting assembly is provided with a positioning part, and the positioning part is used for being connected with the supporting tool; the locking assembly is provided with a blocking plate, and the blocking plate is movably arranged on the connecting assembly and forms a fixing area with adjustable size with the positioning part; the locking assembly is in a locking state and an unlocking state, and the blocking plate pushes against the bogie, so that the locking assembly is in the locking state after the bogie and the supporting tool are tightly propped; after the blocking plate is separated from the bogie, the locking assembly is in an unlocking state.

Further, the locking assembly further comprises a driving part, and the driving part is in driving connection with the blocking plate so as to enable the blocking plate to move.

Further, coupling assembling still includes the mount pad, and the drive division includes: the lifting handle is pivotally arranged on the mounting seat; and the link mechanism is connected with the plug board in a driving way through the link mechanism, and the link mechanism pushes the plug board to move by rotating the push handle.

Further, link mechanism includes the push rod, and locking Assembly still includes backstop portion, and backstop portion is connected with the push rod to promote the closure plate at the push rod and push up bogie and support frock back tightly, backstop portion is with push rod locking.

Further, be equipped with the locating hole on the push rod, backstop portion includes: the stop sleeve is fixed on the mounting seat, and the push rod is movably inserted in the stop sleeve; the locking pin is detachably inserted into the positioning hole of the push rod, so that after the push rod pushes the blocking plate to tightly push the bogie and the support tool, one part of the locking pin is inserted into the other part of the positioning hole and abutted against one end of the stop sleeve to fix the push rod on the stop sleeve.

Furthermore, location portion is including being first locating plate and the second locating plate of angle setting, constitutes the location region between first locating plate and the second locating plate, and first locating plate and second locating plate towards the surface of location region one side respectively with support the different position backstop cooperations of frock.

Further, coupling assembling still includes beam structure, and the movably setting of closure plate is in beam structure's first end, and location portion fixes the second end that sets up at beam structure.

Further, the beam structure includes: two tie-beams, two tie-beams are parallel to each other and set up with the interval, and the closure plate setting is between two tie-beams and for the tie-beam slip.

Further, coupling assembling still includes the mount pad, and the mount pad setting is at the crossbeam structure one end that is close to the closure plate, and the mount pad is half encirclement shape structure to make the tip of two tie-beams fix respectively on half encirclement shape structure's inner wall.

Further, the mount includes: the bottom plate is provided with a notch part on one side facing the blocking plate for avoiding the blocking plate; the two side plates are oppositely arranged and connected to the two sides of the bottom plate, and the two connecting beams are respectively connected with the surfaces of the two side plates close to one side each other.

Furthermore, the connecting assembly also comprises a handle, two ends of the handle are respectively connected with the two connecting beams, and the handle is raised towards the direction deviating from the fixing area; and/or the connecting beam is a quadrangular prism structure.

According to the utility model discloses an on the other hand provides a bearing structure, including supporting frock and locking device, locking device is foretell locking device, supports the frock and stacks on the bogie.

Further, support the frock and include: the supporting assembly comprises a plurality of vertically arranged supporting rods, and the supporting rods are arranged at intervals; the supporting plate is connected to the bottom of the supporting component; wherein, support the frock and place in the top of bogie, locking device and backup pad and bogie top are tight to make bogie and support frock locking.

Use the technical scheme of the utility model locking device mainly used stack the bogie time with support the frock cooperation and use, during the use, will support the frock and place in bellied round platform one side of bogie, then fix a position location portion on the coupling assembling with supporting the frock, locking assembly's closure plate is movably connected with coupling assembling, carry out the butt with the bellied round platform on the bogie for being used for, it is concrete, location portion sets up with the closure plate relatively, form fixed area between the two, location portion location is behind supporting the frock, the closure plate is close to location portion and removes, after closure plate and bogie butt, continue to promote the closure plate so that support frock and bogie butt together, thereby fix the bogie in fixed area, and make and support frock and bogie locking together, the effect of fixed stay frock and bogie has been played. The utility model discloses a locking device has solved the framework among the prior art through the above-mentioned setting and has stacked unstable problem.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a partial structural schematic view of an embodiment of a support structure according to the invention;

fig. 2 shows a schematic structural view of an embodiment of the locking device of the present invention;

fig. 3 shows a schematic exploded view of fig. 2 of the present invention;

fig. 4 is a schematic view illustrating the positioning portion of the locking device of the present invention abutting against the support plate;

fig. 5 is a schematic view showing the separation of the positioning portion and the support plate of the locking device of the present invention.

Wherein the figures include the following reference numerals:

10. supporting a tool; 11. a support plate; 12. a support assembly; 121. a support bar; 20. a connecting assembly; 21. a positioning part; 211. a first positioning plate; 212. a second positioning plate; 22. a beam structure; 221. a connecting beam; 23. a mounting seat; 231. a base plate; 232. a side plate; 233. a notch portion; 30. a locking assembly; 31. a blocking plate; 32. a stopper portion; 321. a stop sleeve; 40. a bogie; 50. a drive section; 51. a handle is pushed; 52. a push rod; 60. a handle.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to solve the problem that the bogie among the prior art stacks unstably, the utility model provides a locking device and have its bearing structure.

The utility model provides a locking device is used for supporting frock 10 and the locking of bogie 40. Referring to fig. 1 to 5, the locking device includes a connecting assembly 20 and a locking assembly 30, the connecting assembly 20 has a positioning portion 21, and the positioning portion 21 is used for being connected with the supporting tool 10; the locking assembly 30 is provided with a blocking plate 31, and the blocking plate 31 is movably arranged on the connecting assembly 20 and forms a fixing area with the positioning part 21, wherein the size of the fixing area is adjustable; the locking assembly 30 has a locking state and an unlocking state, and the blocking plate 31 pushes against the bogie 40, so that the locking assembly 30 is in the locking state after the bogie 40 and the supporting tool 10 are tightly pushed; after the closure plate 31 is disengaged from the truck 40, the locking assembly 30 is in the unlocked state.

The utility model discloses a locking device mainly used stacks the bogie time and uses with supporting the frock cooperation, during the use, will support the frock and place in bogie bellied round platform one side, then fix a position location 21 on the coupling assembling with supporting frock 10, locking Assembly's closure plate 31 is movably connected with coupling assembling to be used for carrying out the butt with bellied round platform on the bogie.

Specifically, location portion 21 and closure plate 31 set up relatively, form fixed area between the two, location portion 21 location is after supporting the frock, and closure plate 31 is close to location portion 21 and removes, and after closure plate 31 and bogie butt, continue to promote closure plate 31 so that support frock and bogie butt together to fix the bogie in fixed area, and make support frock and bogie locking together, played the effect of fixed support frock and bogie. The utility model discloses a locking device has solved the framework among the prior art through the above-mentioned setting and has stacked unstable problem.

Alternatively, the blocking plate 31 is made of angle steel.

As shown in fig. 1, the locking assembly 30 further includes a driving portion 50, and the driving portion 50 is drivingly connected to the blocking plate 31 to move the blocking plate 31. The connecting assembly 20 further comprises a mounting seat 23, the driving portion 50 comprises a push handle 51 and a link mechanism, and the push handle 51 is pivotally arranged on the mounting seat 23; the lifting handle 51 is in driving connection with the blocking plate 31 through a link mechanism, and the link mechanism pushes the blocking plate 31 to move by rotating the lifting handle 51.

As shown in fig. 3, the operator pushes the blocking plate 31 to move by rotating the push handle 51 and then transmitting force through the link mechanism. Optionally, one end of the pushing handle 51 is provided with a handle sleeve for the operator to grasp, and the driving portion 50 converts the rotation of the pushing handle 51 into the translation of the blocking plate 31, thereby facilitating the control of the operator.

As shown in fig. 3, the link mechanism includes a push rod 52, the locking assembly 30 further includes a stopper portion 32, and the stopper portion 32 is connected to the push rod 52, so that the stopper portion 32 locks the push rod 52 after the push rod 52 pushes the blocking plate 31 to tightly push the bogie 40 against the support tool 10. Through setting up above-mentioned structure, can make the back that blocks up 31 pushes up in place, through the effect of backstop portion 32, prevent that blocks up 31 from returning back to guarantee that locking Assembly 30 keeps in the locking state. Specifically, the push rod 52 is welded with the blocking plate 31, and when the push rod 52 pushes the blocking plate 31 to tightly push the bogie and the support tool, the blocking plate 31 is fixed by the stop portion 32 to prevent the blocking plate 31 from rebounding.

Specifically, the push rod 52 is provided with a positioning hole, the stopping portion 32 comprises a stopping sleeve 321 and a locking pin, the stopping sleeve 321 is fixed on the mounting seat 23, and the push rod 52 is movably inserted into the stopping sleeve 321; the locking pin is detachably inserted into the positioning hole of the push rod 52, so that after the push rod 52 pushes the blocking plate 31 to tightly press the bogie 40 against the support tool 10, one part of the locking pin is inserted into the positioning hole, and the other part of the locking pin abuts against one end of the stop sleeve 321 to fix the push rod 52 on the stop sleeve 321. When the push rod 52 retracts, the part of the locking pin which leaks out of the positioning hole abuts against one end of the stop sleeve 321, so that the push rod 52 is stopped to move back, the push rod 52 is always located at the locking position, and the support tool is connected with the bogie.

Of course, the locking device can also utilize the hinge connection iron to connect the pusher handle and the push rod, so that the left and right blocking plates can be fixed when the push rod is pushed up, the support is clamped, and the stability of the framework and the support tool is effectively ensured.

As shown in fig. 3, the positioning portion 21 includes a first positioning plate 211 and a second positioning plate 212 which are disposed at an angle, a positioning area is formed between the first positioning plate 211 and the second positioning plate 212, and surfaces of the first positioning plate 211 and the second positioning plate 212 facing to the positioning area are respectively matched with different position stops of the support tool 10.

Alternatively, the positioning portion 21 is made of angle steel. As shown in fig. 4 and 5, the positioning part 21 is fixedly supported by an L-shaped wedge, and the L-shaped height is the same as the thickness of the frame support plate.

The utility model provides a location portion 21 is not limited to foretell locate mode, and its setting purpose is in order to fix coupling assembling 20 and support frock, so location portion 21 can also adopt other connected mode to be connected fixedly with the support frock, for example welding, bolted connection etc..

As shown in fig. 3, the connection assembly 20 further includes a cross beam structure 22, the blocking plate 31 is movably disposed at a first end of the cross beam structure 22, and the positioning portion 21 is fixedly disposed at a second end of the cross beam structure 22. Specifically, the beam structure 22 includes two connecting beams 221, the two connecting beams 221 are arranged in parallel and spaced from each other, and the blocking plate 31 is arranged between the two connecting beams 221 and slides with respect to the connecting beams 221.

As shown in fig. 2 and 3, the beam structure 22, together with the positioning portion 21 and the blocking plate 31, encloses a fixing area. Alternatively, the connecting beam 221 of the cross beam structure 22 is a rectangular beam, the blocking plate 31 and the positioning portion 21 are both made of angle steel, one end of the rectangular beam is welded inside the angle steel of the positioning portion 21, and the blocking plate 31 is movably disposed between the two rectangular beams to slide along the extending direction of the rectangular beams, so that the size of the fixing area is changed to fix the supporting tool and the bogie.

As shown in fig. 3, the connection assembly 20 further includes a mounting seat 23, the mounting seat 23 is disposed at one end of the beam structure 22 close to the blocking plate 31, and the mounting seat 23 is in a semi-surrounding structure, so that the ends of the two connection beams 221 are respectively fixed on the inner wall of the semi-surrounding structure.

Specifically, the mounting seat 23 includes a bottom plate 231 and two side plates 232, and one side of the bottom plate 231 facing the blocking plate 31 has a notch portion 233 for avoiding the blocking plate 31. The two side plates 232 are oppositely disposed and connected to both sides of the bottom plate 231, and the two connection beams 221 are respectively connected to surfaces of the side plates 232 on the sides close to each other.

As shown in fig. 3, the connecting assembly further has a mounting seat 23 for conveniently mounting the locking assembly and the connecting beam, the mounting seat is of a groove-shaped structure, a horizontally arranged bottom plate 231 is arranged in the middle of the mounting seat, and two side plates 232 are respectively arranged on two opposite sides of the bottom plate 231. Optionally, the side plates 232 and the bottom plate 231 are of an integrally formed structure, the two connecting beams 221 are respectively welded on the inner sides of the side plates 232 on the two sides, the driving portion 50 is fixed on the bottom plate 231, a notch portion 233 is further provided on one side of the bottom plate 231 close to the positioning portion 21, and the size and shape of the notch portion 233 are matched with the blocking plate 31 to avoid the blocking plate 31.

The connecting assembly 20 further comprises a handle 60, both ends of the handle 60 are connected with the two connecting beams 221, respectively, and the handle 60 is bulged in a direction away from the fixing area. The connection beam 221 is a quadrangular prism structure, that is, the aforementioned rectangular beam. As shown in fig. 2, the connecting assembly 20 of the locking device is formed by welding square steel pipes, the front end is used for connecting the L-shaped wedge, and the rear end is used for connecting the locking device.

As shown in fig. 2, a handle 60 is provided at the middle position of the beam structure for taking the tool for easy operation. The handle 60 is welded at both ends thereof to the tops of the two connection beams 221, respectively, for easy extraction.

The utility model provides a locking Assembly comprises mount pad, closure plate, fitting pin, backstop cover, push rod for the fixed stay frock plays the effect of connecting, fastening.

The utility model also provides a bearing structure, including supporting frock 10 and locking device, locking device is foretell locking device, supports frock 10 and stacks on bogie 40. The supporting tool 10 is used for supporting the bogie to separate two adjacent bogies, so that the bogies can be conveniently stacked, the damage caused by mutual collision of the bogies is prevented, and the locking device is used for fixing the bogies and the supporting tool together to prevent toppling.

As shown in fig. 1, the supporting tool 10 includes a supporting plate 11 and a supporting assembly 12, the supporting assembly 12 includes a plurality of supporting rods 121 that are vertically arranged, and the plurality of supporting rods 121 are arranged at intervals; the supporting plate 11 is connected to the bottom of the supporting component 12; wherein, the support tool 10 is placed above the bogie 40, and the locking device is tightly propped against the support plate 11 and the bogie 40, so that the bogie 40 is locked with the support tool 10.

As shown in fig. 1, the supporting tool 10 has four supporting rods 121 and a supporting plate 11, the supporting plate 11 is a rectangular plate, the four supporting rods 121 are respectively arranged at four corners of the rectangular plate, and the positioning portion of the locking device is connected with the supporting plate 11 in a clamping manner, so that the locking device is convenient to detach.

Optionally, the supporting tool includes two supporting plates 11 respectively disposed at the upper and lower ends of the supporting component 12, the supporting plate 11 located below is used for being connected with a bogie below, so as to facilitate the connection of the locking device with the supporting tool 10 through the supporting plate 11, and the supporting plate 11 located above is used for supporting the bogie above, so as to prevent the supporting tool 10 from damaging the bogie structure.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the utility model discloses a bearing structure is based on the on-the-spot place of support bogie not enough, and the bogie stacks the condition that the framework will be placed in the middle of the back together and stack the support frock and use. The utility model provides a bogie is one in the framework, and this locking device and bearing structure are applicable to stacking with the similar various frameworks of bogie.

The framework often leads to the crooked structure of framework support frock to cause the framework to take place to collide with in depositing and handling process. The utility model discloses can press from both sides tight framework support frock, prevent to support the frock and askew fall to cause and collide with. The utility model discloses not only practice thrift the human cost, still improved the stability of supporting the frock widely.

The utility model discloses a framework uses locking device to fix the support frock at the handling before putting, has guaranteed that the cost loss that brings can not discover colliding with that crooked caused to support the frock. Meanwhile, the locking device cannot bump the framework with paint, and the appearance quality of the framework is guaranteed.

The utility model discloses a bearing structure makes stacks bogie convenient and fast, and adaptability is high, can use widely to intercity EMUs, subway bogie stack in the middle of the operation production.

The supporting structure is manufactured by adopting the interlocking device principle and consists of a front end supporting tool and a locking device.

During the use, will support the frock and place on framework upper portion, locking device's front end inserts the mounting surface front end that supports frock lower part backup pad, places locking device on supporting the lower part plane, utilizes locking device to fix the frock, guarantees when placing framework and handling framework that the support can not drop.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A locking device for locking a support fixture (10) with a bogie (40), the locking device comprising:

the connecting assembly (20), the connecting assembly (20) is provided with a positioning part (21), and the positioning part (21) is used for being connected with the supporting tool (10);

the locking assembly (30) is provided with a blocking plate (31), and the blocking plate (31) is movably arranged on the connecting assembly (20) and forms a fixing area with the positioning part (21) in an adjustable size;

the locking assembly (30) has a locking state and an unlocking state, the blocking plate (31) pushes the bogie (40) so that the locking assembly (30) is in the locking state after the bogie (40) is tightly propped against the supporting tool (10); after the blocking plate (31) is separated from the bogie (40), the locking assembly (30) is in the unlocking state.

2. Locking device according to claim 1, characterized in that the locking assembly (30) further comprises an actuating portion (50), the actuating portion (50) being in driving connection with the closure plate (31) for moving the closure plate (31).

3. Locking device according to claim 2, characterized in that said connection assembly (20) further comprises a mounting seat (23), said driving portion (50) comprising:

the push handle (51), the push handle (51) is pivotally arranged on the mounting seat (23);

and the pushing handle (51) is in driving connection with the blocking plate (31) through the connecting rod mechanism, and the pushing handle (51) is rotated to enable the connecting rod mechanism to push the blocking plate (31) to move.

4. The locking device according to claim 3, characterized in that the linkage mechanism comprises a push rod (52), the locking assembly (30) further comprises a stopper (32), and the stopper (32) is connected with the push rod (52) so that the stopper (32) locks the push rod (52) after the push rod (52) pushes the blocking plate (31) to tightly push the bogie (40) and the support tool (10).

5. Locking device according to claim 4, characterized in that said push rod (52) is provided with positioning holes, said stop (32) comprising:

the stop sleeve (321), the stop sleeve (321) is fixed on the mounting seat (23), and the push rod (52) is movably inserted into the stop sleeve (321);

the locking pin is detachably inserted into a positioning hole of the push rod (52), so that after the push rod (52) pushes the blocking plate (31) to tightly push the bogie (40) and the support tool (10), one part of the locking pin is inserted into the other part of the positioning hole and abuts against one end of the stop sleeve (321) to fix the push rod (52) on the stop sleeve (321).

6. The locking device according to claim 1, wherein the positioning portion (21) comprises a first positioning plate (211) and a second positioning plate (212) which are arranged at an angle, a positioning area is formed between the first positioning plate (211) and the second positioning plate (212), and the surfaces of the first positioning plate (211) and the second positioning plate (212) facing one side of the positioning area are respectively matched with different position stops of the supporting tool (10).

7. Locking device according to claim 6, wherein the connecting assembly (20) further comprises a cross beam structure (22), the closure plate (31) being movably arranged at a first end of the cross beam structure (22), and the positioning portion (21) being fixedly arranged at a second end of the cross beam structure (22).

8. Locking device according to claim 7, characterized in that said cross-beam structure (22) comprises:

two coupling beams (221), two coupling beams (221) are parallel to each other and are arranged at intervals, and the blocking plate (31) is arranged between the two coupling beams (221) and slides relative to the coupling beams (221).

9. Locking device according to claim 8, characterized in that said connection assembly (20) further comprises a mounting seat (23), said mounting seat (23) being provided at an end of said beam structure (22) close to said closure plate (31), said mounting seat (23) being of a semi-surrounding type structure, so that the ends of said two connection beams (221) are respectively fixed on the inner wall of said semi-surrounding type structure.

10. Locking device according to claim 9, characterized in that said mounting seat (23) comprises:

a bottom plate (231), wherein one side of the bottom plate (231) facing the blocking plate (31) is provided with a notch part (233) for avoiding the blocking plate (31);

the two side plates (232) are oppositely arranged and connected to two sides of the bottom plate (231), and the two connecting beams (221) are respectively connected with the surfaces of the two side plates (232) close to one side of each other.

11. Locking device according to claim 8,

the connecting assembly (20) further comprises a handle (60), two ends of the handle (60) are respectively connected with the two connecting beams (221), and the handle (60) is bulged towards the direction away from the fixing area; and/or the connecting beam (221) is a quadrangular prism structure.

12. A support structure comprising a support fixture (10) and a locking device, characterized in that the locking device is according to any one of claims 1 to 11, the support fixture (10) being stacked on a bogie (40).

13. The supporting structure of claim 12, wherein the supporting tooling (10) comprises:

the supporting assembly (12), the supporting assembly (12) includes a plurality of supporting rods (121) which are vertically arranged, and the plurality of supporting rods (121) are arranged at intervals;

the supporting plate (11), the supporting plate (11) is connected to the bottom of the supporting component (12);

the supporting tool (10) is placed above the bogie (40), and the locking device is tightly propped against the supporting plate (11) and the bogie (40) so that the bogie (40) and the supporting tool (10) are locked.

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