CN208134173U - Safety stay bar device and the dumper for using the device - Google Patents

Abstract

The utility model relates to a kind of safety stay bar device and use the dumper of the device, safety stay bar device includes the supporting element for being hinged on capacity of the tipping body, supporting element has for cooperating with corresponding Stop structure support block with the stop section of positioning supporting part, safety stay bar device further includes rotating for driving support member to lift stop section and then avoid and cross the unlock driving structure of the Stop structure, and unlock driving structure includes the power mechanism for cooperating with supporting element to lift the force-applying piece of the stop section and driving force-applying piece movement.Corresponding unlock driving structure driving support member rotation is set to lift the stop section on supporting element, when guaranteeing that telescopic lifting structures control container falls, supporting element will not impact the normal whereabouts of container, utilize unlock driving structure automatic unlocking supporting element, manual operation supporting element is not needed, it can be completely achieved automatic operation, effectively improve the safety of brace apparatus.

Description

Safety stay bar device and the dumper for using the device

Technical field

The utility model relates to a kind of safety stay bar device and use the dumper of the device.

Background technique

Currently, with the development of economy, the advantages that dumper is easy to loading and unloading with its, is widely applied.General dumper When in use, the lifting mechanisms such as elevating ram usually can be used and lifts container, the self-locking property of hydraulic mechanism is then utilized, by goods Case locking.To improve safety, there is accidental falling after being picked up to avoid container, be usually provided with safe strut knot Structure.The mode of operation of common dumper strut is manual operation mostly, needs two people collaboration, controls lifting mechanism by driver Lift container, packing case lifting in place after, strut is supported by another manpower is dynamic, forms safety supports, is fallen in container Before, then moved by manpower and put down strut, it operates relatively complicated.Moreover, anti-strut is manually received below container, if as lifting If letting out in the hydraulic cylinder of mechanism, hydraulic cylinder can voluntarily glide under container Gravitative Loads, influence personal safety, be easy Existing contingency.

A kind of automatic safe strut is disclosed in the Chinese utility model patent that Authorization Notice No. is CN201342973Y Device comprising the upper end of vertical brace bar, vertical brace bar is hinged on box body by articulated shaft, what lower end was used to be equipped with vehicle frame Corresponding limit plate block cooperation is to realize that block limits.In use, when box body lifts under lifting mechanism driving, vertical brace bar It is rotated under the effect of gravity around articulated shaft, also, vertical brace bar lower end is also supported on vehicle frame, with the lifting of car body, vertical brace The lower end of bar will be gradually mobile to rear vehicle, when vertical brace bar is back across limit plate, if stopping lifting car body at this time, The lower end of vertical brace bar can form block limit with the trailing flank of limit plate, and then form the safety supports to box body.This peace Although full brace apparatus does not need artificial interference in lifting process, pulling force when lifting using box body makes vertical brace Bar is moved to corresponding block position, still, when box body will fall, needs manually to lift the block of vertical brace bar evacuation limit plate Unlock is realized in turn in face, and manually unlock still remains risk.

Utility model content

The purpose of this utility model is to provide a kind of safety stay bar devices, to solve to need in the prior art manually It lifts vertical brace bar and realizes technical problem dangerous when unlock；Meanwhile the utility model also provides a kind of use above-mentioned safety The dumper of brace apparatus.

To achieve the above object, the technical solution 1 of safety stay bar device provided by the utility model is：A kind of safety support Lever apparatus, including the supporting element for being hinged on capacity of the tipping body, supporting element have for corresponding Stop structure support block Only cooperate the stop section with positioning supporting part, safety stay bar device further include rotated for driving support member with lift stop section into And the unlock driving structure for crossing the Stop structure is avoided, unlock driving structure includes for cooperating with supporting element to lift State the force-applying piece of stop section and the power mechanism of driving force-applying piece movement.

The utility model has the beneficial effects that：In safety stay bar device provided by the utility model, corresponding solution is set The rotation of lock driving structure driving support member to lift the stop section on supporting element, cross Stop structure, guarantee to stretch by stop section evacuation When contracting formula lifting structures control container whereabouts, supporting element will not impact the normal whereabouts of container, utilize unlock driving knot Structure automatic unlocking supporting element, does not need manual operation supporting element yet, can be completely achieved automatic operation, effectively improve brace apparatus Safety.

It is improved on the basis of safety stay bar device technical solution 1 and obtains the technical solution 2 of safety stay bar device：It is described to apply Power part is the rotation urging part that reciprocating rotation is driven by the power mechanism.

It is improved on the basis of safety stay bar device technical solution 2 and obtains the technical solution 3 of safety stay bar device：It is described to apply Power part has the pushing part that the stop section is lifted for supporting element described in pushing tow.

It is improved on the basis of safety stay bar device technical solution 3 and obtains the technical solution 4 of safety stay bar device：It is described dynamic Force mechanisms are piston cylinder mechanism, electric push rod mechanism or motor-driven mechanism.

It is improved on the basis of any one of safety stay bar device technical solution 1 to 4 technical solution and obtains safe strut The technical solution 5 of device：Safety stay bar device further includes the gear for being used to limit the supporting element that the corresponding supporting element is equipped with The limit of stop raising height rises structure.

It is improved on the basis of safety stay bar device technical solution 5 and obtains the technical solution 6 of safety stay bar device：The limit Rising structure includes that limit upshift stops face-down limit upshift stop member, and limit rises between stopping surface and the Stop structure in the up-down direction There are the stop sections for the supporting element to lift to avoid the avoiding space for crossing the Stop structure.

It is improved on the basis of safety stay bar device technical solution 6 and obtains the technical solution 7 of safety stay bar device：The limit Upshift stop member has the lateral block arm being located above the Stop structure, and the limit rises stopping surface setting in the lateral block On arm.

It is improved on the basis of safety stay bar device technical solution 6 and obtains the technical solution 8 of safety stay bar device：The limit Upshift stop member has for cooperating during packing case lifting with the supporting element block to limit packing case lifting by supporting element The limit for height stop section of height, limit for height stop section and the Stop structure are positioned opposite.

It is improved on the basis of safety stay bar device technical solution 1 and obtains the technical solution 9 of safety stay bar device：Safety support Lever apparatus includes the Stop structure, and Stop structure is block step structure, and block step structure has supporting surface upward With the stopping surface for cooperating in the horizontal direction with the stop section block of the supporting element.

It is improved on the basis of safety stay bar device technical solution 9 and obtains the technical solution 10 of safety stay bar device：It is described Block step structure is equipped with leads for the support of guide supports towards block step structure movement in packing case lifting Rail structure.

It is improved on the basis of safety stay bar device technical solution 10 and obtains the technical solution 11 of safety stay bar device：It is described Supporting guide structure is horizontally extending.

It is improved on the basis of safety stay bar device technical solution 10 and obtains the technical solution 12 of safety stay bar device：It is described Supporting guide structure includes at least two circular guideways arranged parallel.

It is improved on the basis of any one technical solution in safety stay bar device technical solution 9 to 12 and obtains safe strut The technical solution 13 of device：Safety stay bar device includes the mounting plate for being fixedly mounted in dumper frame, on mounting plate It is installed with limit plate, limit plate and mounting plate form the block step structure.

It is improved on the basis of safety stay bar device technical solution 13 and obtains the technical solution 14 of safety stay bar device：It is described The limit that mounting plate is equipped with the stop section raising height for limiting the supporting element rises structure.

It is improved on the basis of safety stay bar device technical solution 14 and obtains the technical solution 15 of safety stay bar device：It is described It includes the limit upshift stop member being installed on the mounting plate that limit, which rises structure, and there is limit upshift stop member limit directed downwardly to rise stopping surface, limit There are the stop sections for the supporting element to lift to avoid in the up-down direction between liter stopping surface and the block step structure Cross the avoiding space of the block step structure.

It is improved on the basis of safety stay bar device technical solution 15 and obtains the technical solution 16 of safety stay bar device：It is described Limiting upshift stop member has the lateral block arm being located above the block step structure, and the limit rises stopping surface and is arranged in the cross To on block arm.

It is improved on the basis of safety stay bar device technical solution 15 and obtains the technical solution 17 of safety stay bar device：It is described Limiting upshift stop member has for cooperating with the supporting element block during packing case lifting to limit container by supporting element and lift The limit for height stop section of rise, limit for height stop section and the Stop structure are positioned opposite.

It is improved on the basis of safety stay bar device technical solution 15 and obtains the technical solution 18 of safety stay bar device：It is described Force-applying piece is the rotation urging part with the mounting plate rolling assembling, and rotation urging part has on its reciprocating rotation stroke to be used for Pushing tow supporting element is to lift the unlock stroke of the stop section of the supporting element.

It is improved on the basis of safety stay bar device technical solution 18 and obtains the technical solution 19 of safety stay bar device：It is described Rotation urging part hinge mounted is in the limit upshift stop member.

The technical solution 1 of dumper provided by the utility model using above-mentioned safety stay bar device is：A kind of self-unloading Vehicle, including vehicle frame, vehicle frame are equipped with container, are equipped between vehicle frame and container for pushing up the telescopic lifting mechanism and peace of lifting container Full brace apparatus, safety stay bar device include the supporting element being hinged on container, and supporting element has for being equipped with vehicle frame Stop structure supports block cooperation with the stop section of positioning supporting part, and safety stay bar device further includes rotating for driving support member Cross the unlock driving structure of the Stop structure to lift stop section and then avoid, unlock driving structure include for support Part cooperation is to lift the force-applying piece of the stop section and the power mechanism of driving force-applying piece movement.

It is improved on the basis of dumper technical solution 1 and obtains the technical solution 2 of dumper：The force-applying piece is by described The rotation urging part of power mechanism driving reciprocating rotation.

It is improved on the basis of dumper technical solution 2 and obtains the technical solution 3 of dumper：The force-applying piece, which has, to be used for Supporting element described in pushing tow is to lift the pushing part of the stop section.

It is improved on the basis of dumper technical solution 3 and obtains the technical solution 4 of dumper：The power mechanism is piston Cylinder mechanism, electric push rod mechanism or motor-driven mechanism.

It is improved on the basis of any one of dumper technical solution 1 to 4 technical solution and obtains the technical side of dumper Case 5：Safety stay bar device further includes the stop section raising height for being used to limit the supporting element that the corresponding supporting element is equipped with Limit rise structure.

It is improved on the basis of dumper technical solution 5 and obtains the technical solution 6 of dumper：It includes limit that the limit, which rises structure, Upshift stops face-down limit upshift stop member, and there are supply the branch in the up-down direction between limit liter stopping surface and the Stop structure It lifts to avoid the avoiding space for crossing the Stop structure stop section of support member.

It is improved on the basis of dumper technical solution 6 and obtains the technical solution 7 of dumper：The limit upshift stop member has Lateral block arm above the Stop structure, the limit rise stopping surface setting on the lateral block arm.

It is improved on the basis of dumper technical solution 6 and obtains the technical solution 8 of dumper：The limit upshift stop member has For cooperating with the supporting element block during packing case lifting to limit the limit for height of packing case lifting height by supporting element and keep off Stop, limit for height stop section and the Stop structure are positioned opposite.

It is improved on the basis of dumper technical solution 1 and obtains the technical solution 9 of dumper：Safety stay bar device includes institute The Stop structure stated, Stop structure are block step structure, and block step structure is with supporting surface upward and in level The stopping surface cooperated on direction with the stop section block of the supporting element.

It is improved on the basis of dumper technical solution 9 and obtains the technical solution 10 of dumper：The block step structure It is equipped with the supporting guide structure mobile towards the block step structure for the guide supports in packing case lifting.

It is improved on the basis of dumper technical solution 10 and obtains the technical solution 11 of dumper：The supporting guide structure It is horizontally extending.

It is improved on the basis of dumper technical solution 10 and obtains the technical solution 12 of dumper：The supporting guide structure Including at least two circular guideways arranged parallel.

It is improved on the basis of any one technical solution in dumper technical solution 9 to 12 and obtains the technical side of dumper Case 13：Safety stay bar device includes the mounting plate being fixedly mounted on the vehicle frame, and limit plate, limit plate are installed on mounting plate The block step structure is formed with mounting plate.

It is improved on the basis of dumper technical solution 13 and obtains the technical solution 14 of dumper：The mounting plate is equipped with Limit for limiting the stop section raising height of the supporting element rises structure.

It is improved on the basis of dumper technical solution 14 and obtains the technical solution 15 of dumper：The limit rises structure There is limit directed downwardly to rise stopping surface for the limit upshift stop member being installed on the mounting plate, limit upshift stop member, and limit rises stopping surface and institute It states to lift there are the stop section for the supporting element in the up-down direction between block step structure and the block is crossed with evacuation The avoiding space of step structure.

It is improved on the basis of dumper technical solution 15 and obtains the technical solution 16 of dumper：The limit upshift stop member tool There is the lateral block arm being located above the block step structure, the limit rises stopping surface setting on the lateral block arm.

It is improved on the basis of dumper technical solution 15 and obtains the technical solution 17 of dumper：The limit upshift stop member tool Have for cooperating during packing case lifting with the supporting element block to limit the limit for height of packing case lifting height by supporting element Stop section, limit for height stop section and the Stop structure are positioned opposite.

It is improved on the basis of dumper technical solution 15 and obtains the technical solution 18 of dumper：The force-applying piece for institute State the rotation urging part of mounting plate rolling assembling, rotation urging part have on its reciprocating rotation stroke for pushing tow supporting element with Lift the unlock stroke of the stop section of the supporting element.

It is improved on the basis of dumper technical solution 18 and obtains the technical solution 19 of dumper：The rotation urging part hinge Tipping fits in the limit upshift stop member.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment 1 of safety stay bar device provided by the utility model；

Fig. 2 is the top view of safety stay bar device shown in Fig. 1（Supporting element is not shown）；

Fig. 3 is the structural schematic diagram of the embodiment 2 of safety stay bar device provided by the utility model；

Fig. 4 is that a kind of structure of embodiment of the dumper provided by the utility model for being equipped with safety stay bar device is shown It is intended to.

Specific embodiment

Specific embodiment of the present utility model is described further with reference to the accompanying drawing, but is not limited thereto.

The central scope of safety stay bar device provided by the utility model is：The supporting element of safety stay bar device is hinged On container, in this way, container can be mobile with supporting element, in weight in the telescopic lifting mechanism cargo box hoisting of dumper Under power effect, supporting element will be rotated accordingly in moving process, until entering at corresponding Stop structure, packing case lifting is arrived at this time Position, with the stop section block of Stop structure and supporting element, support positions corresponding supporting element, and then is realized using supporting element Corresponding support to container, does not need manual operation supporting element, can be automatically performed during packing case lifting.And works as and need goods When case falls, a little height of cargo box hoisting can be continued up, with facilitate corresponding unlock driving structure driving support member rotation with The stop section on supporting element is lifted, stop section evacuation crosses Stop structure, when guaranteeing that telescopic lifting structures control container falls, Supporting element will not impact the normal whereabouts of container, using unlock driving structure automatic unlocking supporting element, also be not required to very important person Work operates supporting element, can be completely achieved automatic operation, effectively improves the safety of brace apparatus.

The specific embodiment 1 of safety stay bar device provided by the utility model：

The structure of safety stay bar device in the embodiment is as shown in Figure 1 to Figure 2, and safety stay bar device mainly includes support Part 5, mounting plate 4, limit plate 3, limit rise structure and unlock driving structure, wherein it includes limit upshift stop member 6, solution that limit, which rises structure, Locking driving structure includes force-applying piece 7 and corresponding dynamic structure, will specifically introduce each modular construction and effect below.

For supporting element 5 through 10 hinge mounted of supporting element hinged seat on container, the free end of lower part is equipped with corresponding block Realize that the support to supporting element 5 positions to cooperate with corresponding Stop structure block in portion 51.Supporting element concretely singly supports Bar, or the higher support frame of intensity.

Mounting plate 4 is for the pedestal as safety stay bar device, to install limit plate 3, limit upshift stop member 6 and force-applying piece 7, facilitate and is assembled.Mounting plate 4 is used to be fixedly mounted on the vehicle frame of dumper, is equipped on mounting plate 4 corresponding fixed Mounting structure, fixed installation structure herein is specially bolt mounting structure, and mounting plate is fixed on vehicle frame with facilitating.

Limit plate 3 is fixedly mounted on mounting plate 4, and fixed form herein is concretely welded or is clamped, clamping assembly When, it need to guarantee that limit plate 3 is not in roll, to guarantee its effective block positioning.

Mounting plate 4 and limit plate 3 cooperatively form block step structure, and block step structure is for right with supporting element 5 Block should be supported to cooperate with the Stop structure of positioning supporting part 5, block step structure is with supporting surface upward and in water Square upwards with the stopping surface of the stop section block cooperation on supporting element 5, supporting surface is arranged on mounting plate 4, stopping surface setting On limit plate 3.When container is by telescopic lifting mechanism（Concretely lifting hydraulic cylinder structure）When lifting, 5 bottom of supporting element Stop section 51 be moved at block step structure, with corresponding mounting plate 4 support cooperate, and with 3 block of limit plate cooperate, protect The effective position to supporting element 5 is demonstrate,proved, and then realizes the safety supports to container.

Also, to improve block intensity, it is equipped with corresponding reinforcement structure 2 between mounting plate 4 and limit plate 3, reinforces knot Structure 2 concretely stiffener plate or reinforces pipe fitting, and when specific installation is solderable to be connected on mounting plate 4 and limit plate 3.

In the present embodiment, in packing case lifting, guide supports are to movement at block step structure, in block Step-edge Junction Structure is equipped with supporting guide structure, and supporting guide structure includes two circular guideways 1 being installed on limit plate 3, and two circles are led Parallel horizontally extending of rail.In other embodiments, the guide rail of three or more other structures also can be set, as long as can To play effective guiding function.Certainly, respective support guide rail structure can also tilt extension.

In addition, the limit upshift stop member 6 that corresponding supporting element 5 is arranged is additionally provided on mounting plate 4, limit upshift stop member 6 herein Two limit lift slabs 61 positioned opposite are specifically included, the lower weld of limit lift slab 61 is fixed on mounting plate 4, and upper part, which is equipped with, prolongs The lateral block arm 60 above block step structure is extended to, there is lateral block arm 60 limit directed downwardly to rise stopping surface, the limiting block Only there are the stop sections for supporting element 5 to lift to avoid and cross block step in the up-down direction between face and block step structure The avoiding space 70 of structure.

It is for convenience of arrangement, limit upshift stop member 6 and block step structure is positioned opposite, specifically by two limit plates and block Step structure is arranged in the stop section two sides of supporting element, so, is not only formed using block step structure to supporting element 5 Stop section 51 inverted orientation, realize to the safety supports of container, the limit for height stop section in limit upshift stop member 6 can also be utilized Cooperate with the stop section on supporting element, to cooperate during packing case lifting with 5 block of supporting element to limit goods by supporting element 5 Case lift height.For convenience of manufacture, 61 lower end of limit plate is fixed on mounting plate 4, and makes the upper end towards block Step-edge Junction Bending extends above structure, to form the limit for height stop section for block corresponding with supporting element 5 cooperation of limit upshift stop member.

In the present embodiment, safety stay bar device is additionally provided with corresponding unlock driving structure, and the unlock driving structure is for driving Dynamic supporting element rotation crosses block step structure to lift the stop section of supporting element and then avoid, and specially crosses limit plate 3.Solution Lock driving structure includes for cooperating with supporting element to lift the force-applying piece of the stop section and drive the dynamic of force-applying piece movement Force mechanisms.

Specifically, force-applying piece 7 is the rotation urging part being hinged in limit upshift stop member 6 by pin shaft, and force-applying piece is located at Below supporting element, force-applying piece 7 has the pushing part that the stop section is lifted for pushing tow supporting element.Above-mentioned power mechanism tool Body is piston cylinder mechanism 8, and piston cylinder mechanism 8 is rotatably installed on the vehicle frame of corresponding dumper by piston cylinder mounting base 9.At it In his embodiment, power mechanism may be electric push rod mechanism or motor-driven mechanism.

Power mechanism is specially piston cylinder mechanism herein, and piston cylinder mechanism can realize that quick-expansion acts, and its flexible speed Degree be much larger than the telescopic lifting mechanism of dumper movement velocity, may make container in dropping process in this way, supporting element with Limit plate 3 is lifted before contacting by 7 pushing tow of force-applying piece, does not need intermediate hold, container falling speed and ride comfort can be improved.

In the present embodiment, supporting element 5 to dumper rear apply pushing tow supporting force, i.e. container when lifting backward, It is moved backward with supporting element 5 along circular guideway 1, until be moved at block step structure, packing case lifting is in place at this time.It needs It is noted that using the limit for height stop section block cooperation corresponding with the stop section on supporting element 5 in limit upshift stop member 6 with logical Cross the lift height of supporting element limitation container.

If let out in the oil cylinder of telescopic lifting mechanism, container falls automatically, and supporting element will follow container to fall, and is falling In the process, the stop section 51 of supporting element 5 will move forward until with the cooperation of 3 block of limit plate, and block step structure is utilized to realize It to the positioning support of supporting element, limits supporting element and continues to slide, and then limit container and fall automatically, guarantee safety supports, avoid Occur unexpected.

It, can be high first with a little redundancy of the first cargo box hoisting upwards of telescopic lifting mechanism when needing container normally to fall Degree facilitates the unlock rotation of driving structure driving support member 5 to avoid block step so that supporting element 5 moves backward a little distance Structure, specifically on the basis of avoiding limit plate 3.Piston cylinder mechanism 8 drives force-applying piece 7 to unlock at it and rotates on stroke, with pushing tow Supporting element 5 is swung up, and the stop section 51 for lifting supporting element is empty into the evacuation between lateral block arm and block step structure Between in 70, then, container can slowly fall, at this point, supporting element 5 will be slided along circular guideway 1, until container falls completely.It needs It is noted that the raising height of the stop section using lateral block arm limitation supporting element.

In the present embodiment, limit plate, limit upshift stop member and force-applying piece are all provided on a mounting board, it is convenient to pacify on vehicle frame It after dress is, it can be achieved that be pre-installed, then installs on vehicle frame, assembly efficiency can be effectively improved.In other embodiments, it can also will keep off Only step structure, limit upshift stop member and force-applying piece is corresponding is mounted on vehicle frame, only it is noted that corresponding installation site ?.

In the present embodiment, force-applying piece has the pushing part that the stop section of supporting element is lifted for supporting element described in pushing tow, In other embodiments, force-applying piece can also be drawn by traction piece pulls supporting element rotation.

In the present embodiment, limit liter structure rises stopping surface realization pair using limit upshift stop member, using the limit in limit upshift stop member The limit upshift of supporting element is stopped, and is avoided the excessively high stop section for lifting supporting element of force-applying piece and is influenced normally to fall.In other embodiments In, it may be the corresponding traction rope being arranged on supporting element that limit, which rises structure, can limit branch by limiting the length of traction rope The rising height of the stop section of support member.

In the present embodiment, supporting guide structure is arranged on block step structure can also save in other embodiments The supporting guide structure being specially arranged, and utilize vehicle frame to the lower end stop section support guide of supporting element.

The specific embodiment 2 of safety stay bar device provided by the utility model：

As shown in figure 3, the difference of safety stay bar device and embodiment 1 in embodiment 2 essentially consists in：Force-applying piece is direct acting Formula pushing tow force-applying piece, it is such as specifically mobile by 81 pushing tow supporting element 5 of the piston rod of piston cylinder mechanism 8, moreover, to reduce friction, also Pushing tow idler wheel can be set in piston rod corresponding position.

In above-mentioned two embodiment, towards the rear of dumper, supporting element is supporting the stopping surface of block step structure When container, extension tilted backwards from bottom to top.In other embodiments, the stopping surface of block step structure can also be towards dumper Front, it is same to can be achieved to container at this point, supporting element, when supporting container, supporting element can be tilted towards preceding extension from bottom to top Safety supports.

The utility model also provides a kind of embodiment of dumper, as shown in figure 4, the dumper in the embodiment includes vehicle Frame 100 and container 200 are equipped with telescopic lifting mechanism 300 and safety stay bar device between vehicle frame 100 and container 200 400, vehicle frame 100, container 200 and telescopic lifting mechanism 300 are the prior art, and details are not described herein, safe strut dress Setting 400 can be used corresponding construction in above-mentioned two safety stay bar device embodiment, also repeat no more herein.

Claims (38)

1. a kind of safety stay bar device, including the supporting element for being hinged on capacity of the tipping body, supporting element have for phase Answer Stop structure support block cooperation with the stop section of positioning supporting part, it is characterised in that：Safety stay bar device further includes being used for Driving support member rotation crosses the unlock driving structure of the Stop structure to lift stop section and then avoid, and unlocks driving structure Power mechanism including lifting the force-applying piece of the stop section and driving force-applying piece movement for cooperating with supporting element.

2. safety stay bar device according to claim 1, it is characterised in that：The force-applying piece is to be driven by the power mechanism The rotation urging part of dynamic reciprocating rotation.

3. safety stay bar device according to claim 2, it is characterised in that：The force-applying piece has for propping up described in pushing tow Support member is to lift the pushing part of the stop section.

4. safety stay bar device according to claim 3, it is characterised in that：The power mechanism is piston cylinder mechanism, electricity Dynamic transfer bar mechanism or motor-driven mechanism.

5. safety stay bar device as claimed in any of claims 1 to 4, it is characterised in that：Safety stay bar device is also Limit liter structure including the stop section raising height for limiting the supporting element that the correspondence supporting element is equipped with.

6. safety stay bar device according to claim 5, it is characterised in that：It includes that limit upshift only faces that the limit, which rises structure, Under limit upshift stop member, limit rises between stopping surface and the Stop structure that there are the blocks for the supporting element in the up-down direction It lifts to avoid the avoiding space for crossing the Stop structure in portion.

7. safety stay bar device according to claim 6, it is characterised in that：The limit upshift stop member, which has, is located at the gear The only lateral block arm of superstructure, the limit rise stopping surface setting on the lateral block arm.

8. safety stay bar device according to claim 6, it is characterised in that：The limit upshift stop member has in container Cooperate in lifting process with the supporting element block to limit the limit for height stop section of packing case lifting height, limit for height gear by supporting element Stop and the Stop structure are positioned opposite.

9. safety stay bar device according to claim 1, it is characterised in that：Safety stay bar device includes the block knot Structure, Stop structure are block step structure, block step structure have supporting surface upward and in the horizontal direction with institute State the stopping surface of the stop section block cooperation of supporting element.

10. safety stay bar device according to claim 9, it is characterised in that：The block step structure is equipped with and is used for The guide supports supporting guide structure mobile towards the block step structure in packing case lifting.

11. safety stay bar device according to claim 10, it is characterised in that：The supporting guide structure is in the horizontal direction Extend.

12. safety stay bar device according to claim 10, it is characterised in that：The supporting guide structure includes at least two The circular guideway that root is arranged parallel.

13. the safety stay bar device according to any one of claim 9 to 12, it is characterised in that：Safety stay bar device Including the mounting plate for being fixedly mounted in dumper frame, limit plate, limit plate and mounting plate shape are installed on mounting plate At the block step structure.

14. safety stay bar device according to claim 13, it is characterised in that：The mounting plate is equipped with for limiting The limit for stating the stop section raising height of supporting element rises structure.

15. safety stay bar device according to claim 14, it is characterised in that：It is described including being installed in that the limit rises structure There is limit directed downwardly to rise stopping surface for limit upshift stop member on mounting plate, limit upshift stop member, and limit rises stopping surface and the block step There are the stop sections for the supporting element to lift to avoid and cross the block step structure in the up-down direction between structure Avoiding space.

16. safety stay bar device according to claim 15, it is characterised in that：The limit upshift stop member has positioned at described Lateral block arm above block step structure, the limit rise stopping surface setting on the lateral block arm.

17. safety stay bar device according to claim 15, it is characterised in that：The limit upshift stop member has in goods Cooperate in case lifting process with the supporting element block to limit the limit for height stop section of packing case lifting height, limit for height by supporting element Stop section and the Stop structure are positioned opposite.

18. safety stay bar device according to claim 15, it is characterised in that：The force-applying piece is to turn with the mounting plate The rotation urging part of dynamic assembly, rotation urging part have for pushing tow supporting element on its reciprocating rotation stroke to lift the branch The unlock stroke of the stop section of support member.

19. safety stay bar device according to claim 18, it is characterised in that：The rotation urging part hinge mounted is in institute It states in limit upshift stop member.

20. a kind of dumper, including vehicle frame, vehicle frame is equipped with container, is equipped between vehicle frame and container and lifts stretching for container for pushing up Contracting formula lifting mechanism and safety stay bar device, safety stay bar device include the supporting element being hinged on container, and supporting element, which has, to be used Cooperate in the Stop structure support block being equipped with vehicle frame with the stop section of positioning supporting part, it is characterised in that：Safe strut Device further includes being rotated for driving support member to lift the stop section unlock driving that evacuation crosses the Stop structure in turn and tie Structure, unlock driving structure include for cooperating with supporting element to lift the force-applying piece of the stop section and driving force-applying piece movement Power mechanism.

21. dumper according to claim 20, it is characterised in that：The force-applying piece be from the power mechanism drive toward The rotation urging part rotated again.

22. dumper according to claim 21, it is characterised in that：The force-applying piece has for supporting element described in pushing tow To lift the pushing part of the stop section.

23. dumper according to claim 22, it is characterised in that：The power mechanism is piston cylinder mechanism, electronic pushes away Linkage or motor-driven mechanism.

24. the dumper according to any one of claim 20 to 23, it is characterised in that：Safety stay bar device further includes The limit for the stop section raising height for limiting the supporting element that the corresponding supporting element is equipped with rises structure.

25. dumper according to claim 24, it is characterised in that：The limit rise structure include limit upshift stop it is face-down Upshift stop member is limited, there are the stop section lifts for the supporting element in the up-down direction between limit liter stopping surface and the Stop structure It rises to avoid the avoiding space for crossing the Stop structure.

26. dumper according to claim 25, it is characterised in that：The limit upshift stop member, which has, is located at the block knot Lateral block arm above structure, the limit rise stopping surface setting on the lateral block arm.

27. dumper according to claim 25, it is characterised in that：The limit upshift stop member has in packing case lifting Cooperate with the supporting element block in the process to limit the limit for height stop section of packing case lifting height, limit for height stop section by supporting element It is positioned opposite with the Stop structure.

28. dumper according to claim 20, it is characterised in that：Safety stay bar device includes the Stop structure, Stop structure is block step structure, block step structure have supporting surface upward and in the horizontal direction with the branch The stopping surface of the stop section block cooperation of support member.

29. dumper according to claim 28, it is characterised in that：The block step structure is equipped in container The guide supports supporting guide structure mobile towards block step structure when lifting.

30. dumper according to claim 29, it is characterised in that：The supporting guide structure is horizontally extending.

31. dumper according to claim 29, it is characterised in that：The supporting guide structure includes at least two parallel The circular guideway of arrangement.

32. the dumper according to any one of claim 28 to 31, it is characterised in that：Safety stay bar device includes fixing The mounting plate being mounted on the vehicle frame, limit plate is installed on mounting plate, and limit plate and mounting plate form the block platform Stage structure.

33. dumper according to claim 32, it is characterised in that：The mounting plate is equipped with for limiting the support The limit of the stop section raising height of part rises structure.

34. dumper according to claim 33, it is characterised in that：It includes being installed in the mounting plate that the limit, which rises structure, On limit upshift stop member, there is limit upshift stop member limit directed downwardly to rise stopping surface, limit rise stopping surface and the block step structure it Between lifted in the up-down direction there are the stop section for the supporting element with avoid cross the block step structure evacuation it is empty Between.

35. dumper according to claim 34, it is characterised in that：The limit upshift stop member, which has, is located at the block platform Lateral block arm above stage structure, the limit rise stopping surface setting on the lateral block arm.

36. dumper according to claim 34, it is characterised in that：The limit upshift stop member has in packing case lifting Cooperate with the supporting element block in the process to limit the limit for height stop section of packing case lifting height, limit for height stop section by supporting element It is positioned opposite with the Stop structure.

37. dumper according to claim 34, it is characterised in that：The force-applying piece be and the mounting plate rolling assembling Rotation urging part, rotation urging part on its reciprocating rotation stroke have for pushing tow supporting element to lift the supporting element The unlock stroke of stop section.

38. the dumper according to claim 37, it is characterised in that：The rotation urging part hinge mounted rises in the limit On stop part.