JP4864197B2 - Platform overhanging device in aerial work equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a platform overhanging apparatus for an aerial work apparatus.
[0002]
[Prior art]
As shown in FIG. 1, the aerial work vehicle A includes an aerial work device B attached to a vehicle 1 that can travel, that is, a base frame 2, a swivel base 3 that is pivotably attached to the base frame 2, a base An extendable telescopic boom 4 whose end is attached to the upper end of the swivel base 3 so that it can be raised and lowered, an attitude maintaining member 5 that is attached to the tip of the extendable boom 4 and maintains its attitude regardless of the raising and lowering drive, The platform 6 is freely attached. These are driven by a swing actuator 7, swingable by a swing actuator 8, swingable by a telescopic actuator 9 (not shown), posture maintainable by a posture maintaining actuator 10, swingable by a swing actuator 11. The
[0003]
As shown in FIG. 6, the platform 6 is provided with an upper operation device 15, and the operation lever 16, the switch, and the like of the upper operation device 15 are operated by an operator 17 mounted on the platform 6 as described above. Each actuator 7-11 operates. The operation lever 16 and switches of these upper operation devices 15 are appropriately operated to bring the platform 6 close to the work object 18 and perform work at a high place.
[0004]
Among the aerial work vehicles provided with such a platform 6, there is a vehicle equipped with an extended floor 21 that can be freely extended on the platform 6, which is known, for example, in Japanese Patent Laid-Open No. 12-34728. The overhanging floor 21 is driven by an actuator 22 so as to be freely overhanged.
[0005]
In this known platform 6, the operator 17 appropriately operates the operation lever 16, the switch and the like to actuate the actuators 7 to 11 to bring the platform 6 closer to the work object 18, and then the operation lever 16, the switch and the like are further operated. By appropriately operating, the actuator 22 is freely driven, and the overhanging floor 21 is adjusted to the degree of approach according to the unevenness of the work object 18 and the work content. By positioning the working machine 19 mounted on the platform 6 and the operator 17 on the platform 6 on the overhanging floor 21 from the platform 6, the work object 18 can be approached more, so the platform 6 without the overhanging floor 21 is provided. Compared to the above, it is effective in that the work at higher places can be performed safely and efficiently.
[0006]
[Problems to be solved by the invention]
By the way, since the platform 6 in the aerial work device B is provided at the tip of the telescopic boom 4 via the posture maintaining member 10, it is desirable that the platform 6 be lightweight considering the strength and stability of the aerial work device B. .
[0007]
On the other hand, the overhanging floor 21 built in the platform 6 has a weight approximately equal to the area ratio with the platform 6, so that it is heavier.
[0008]
However, since the conventional overhanging apparatus is provided with a form in which the overhanging floor 21 that can be freely overhanged is built in the platform 6, the overhanging floor 21 can be used together with the platform 6 even when the overhanging floor 21 is unnecessary. Was moving. Therefore, when the overhanging floor 21 is unnecessary, the work radius is suppressed to a small value and the load on the platform 6 is suppressed to reduce the work efficiency.
[0009]
The invention of the present application is a platform extended floor device in an aerial work apparatus that solves the above-mentioned problems of the prior art, that is, a high height that allows the extended floor 21 to be removed from the platform 6 when work is unnecessary. It is an object of the present invention to provide a platform overhanging device for a work station.
[0010]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the platform extended floor device in the aerial work device according to the present invention is configured as follows.
[0011]
According to the first aspect of the present invention, in an aerial work device comprising a boom that is turnable and undulating on a vehicle or a base, and a platform at the tip of the boom via a posture maintaining member, an extended floor, and an extended floor The actuator is configured to be detachably attached to the platform.
[0012]
The overhanging floor and the actuator that drives the overhanging floor to be freely detachable can be attached to and detached from the platform, so that the overhanging floor can be driven freely over the platform and work that does not require an overhanging floor is required. In this case, the overhanging floor can be removed from the platform. Therefore, the work radius can be kept small, and the load on the platform 6 can be kept small, so that work efficiency can be improved.
[0013]
In the second aspect, in addition to the first aspect, the platform has an opening in which a part of the side edge and the floor surface following the part are omitted, and the overhanging floor is configured to cover the opening.
[0014]
Since the platform has an opening in which a part of the side edge and the subsequent floor surface are missing, in addition to the operation of claim 1, the platform is equipped with a drilling machine or the like. In addition, when an overhanging floor is provided, the opening is covered, so that the work can be performed safely.
[0015]
According to claim 3, when the overhanging floor and the actuator for driving the overhanging floor to be freely extended are detachably provided with respect to the platform according to claim 1 or 2, the platform is detachable. A structure that includes a bracket, a support attached to the bracket, and a guide rail that can be moved through the support on the extended floor, with one side of the actuator connected to the bracket and the other to the extended floor I made it.
[0016]
With this configuration, in addition to the operation of the first or second aspect, the operation of attaching / detaching the overhanging floor and the actuator that drives the overhanging floor to be freely extended is performed by attaching / detaching the bracket. It just needs to be done. Therefore, the attaching / detaching operation of the overhanging floor and the actuator with respect to the platform becomes simple.
[0017]
In Claim 4, in providing the extension floor and the actuator for driving the extension floor detachably with respect to the platform according to Claim 1 or Claim 2, the platform is provided with a guide rail, It has a support that can be guided and moved by the guide rail on the overhanging floor and that can be fitted to and removed from the guide rail. One side of the actuator is connected to the overhanging floor and the other side is detachably connected to the platform side. Was configured.
[0018]
With this configuration, in addition to the operation of the first or second aspect, the operation of attaching and detaching the overhanging floor and the actuator for driving the overhanging floor freely is performed by the guide of the support body. The fitting / removing operation with respect to the rail and the operation of attaching / detaching the other side of the actuator to / from the platform side are sufficient. Therefore, the attaching / detaching operation of the overhanging floor and the actuator with respect to the platform becomes simple.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
First, a first embodiment of the present invention will be described with reference to FIG. 1, FIG. 2, and FIG. Reference numerals 1 to 11 and 15 to 19 are synonymous with those described and used in the prior art, and thus description of the reference numerals is omitted here. Further, the general description of the aerial work apparatus B is the same as that described in the prior art, and is therefore omitted.
[0020]
31 is an overhanging floor, 32 is an actuator, 33 is a bracket, 34 is a support, 35 is a guide rail, 36 is a support, 37 is an actuator mounting seat A, 38 is an actuator mounting seat B, Reference numeral 39 is a mounting seat, and 61 is a platform.
[0021]
The left and right brackets 33 are connected and fixed by a support 36, and the support body 34 is attached to the bracket 33 so as not to change its position relative to the bracket 33. The support 34 is in the form of a slide plate, a roller or the like. The overhanging floor 31 is provided with a guide rail 35, and the support 34 is configured to be movable by being guided by the guide rail 35. The guide rail 35 may be shared with the girder member of the overhanging floor 31 or may be provided separately. The mounting seat 39 is provided at an appropriate position of the platform 61 corresponding to the bracket 33, and the bracket 33 is detachably mounted.
[0022]
The actuator 32 is connected to an actuator mounting seat A37 provided on the support 36 on one side and an actuator mounting seat B38 provided on the extended floor side on the other side, and the extended floor 31 is driven to be freely extended with respect to the platform 61. To do.
[0023]
The platform extended floor device in the aerial work device of the present invention thus configured operates as follows.
[0024]
First, when the maintained wall surface is the work object 18 and the overhanging floor 31 is unnecessary, the work is performed only with the platform 61 to which the overhanging floor 31 is not attached.
In this case, each of the actuators 7 to 11 is activated by the operator 17 operating the operating lever 16 and the switch of the upper operating device 15 on the platform 61. The operation lever 16 and the switch of the upper operation device 15 are appropriately operated to bring the platform 61 closer to the work object 18 and perform work at a high place.
[0025]
Next, when the platform 61 cannot make the degree of approach according to the work content due to the unevenness of the work object 18, the work is performed with the overhanging floor 31 attached to the platform 61.
In order to attach the overhanging floor 31 to the platform 61, the stored overhanging floor 31 is moved by an appropriate means such as a crane, and the position of the bracket 33 is lowered to the mounting seat 39 provided in the platform 61. The mounting seat 39 and the bracket 33 are attached by an appropriate means such as a bolt, a pin, a vise and the like that can be attached and detached. This appropriate means may be driven by power such as a power pin. Since the mounting seat 39 is provided at an appropriate position of the platform 61 corresponding to the bracket 33, it can be easily mounted.
[0026]
Then, a drive source corresponding to the type of the actuator 32 such as hydraulic pressure and electric power is connected to the actuator 32. The drive source may be provided in the platform 61, may be provided in the telescopic boom 4, the swivel base 3, the base 2 or the like, or may be a separate one not provided in the aerial work vehicle. Further, the drive source may be provided on the overhanging floor 31 itself, and in this case, connection is not particularly required.
[0027]
The mounting of the overhanging floor 31 to the platform 61 is completed by the mounting of the bracket 33 to the mounting seat 39 and the connection of the drive source to the actuator 32. This is because the left and right brackets 33 are connected and fixed by the support 36, and the support 34 attached to the bracket 33 is configured to be movable by being guided by the guide rail 35 provided on the overhanging floor 31. This is because the actuator mounting seat A37 provided on the support 36 and the actuator mounting seat B38 provided on the overhanging floor 31 side are connected and integrated.
[0028]
When the installation of the overhanging floor 31 to the platform 61 is completed, the operator 17 appropriately operates the operation lever 16, switches, etc. to actuate the actuators 7 to 11 to bring the platform 61 closer to the work object 18, and then By appropriately operating the operation lever 16, switch, etc., the actuator 32 is freely driven, so that the overhanging floor 31 has a degree of approach according to the unevenness of the work object 18 and the work content.
[0029]
By positioning the work machine 19 mounted on the platform 61 and the operator 17 on the platform 61 on the extended floor 31 from the platform 61, the degree of approach to the work object 18 can be adjusted according to the work content. Compared to the platform 61 that does not include the floor 31, work at heights can be performed more safely and efficiently.
[0030]
Then, it is assumed that the next work is a work that does not require the overhanging floor 31.
In this case, the overhanging floor 31 is removed from the platform 61.
As a removal procedure, first, the operator 17 appropriately operates the operation lever 16, a switch and the like to drive the actuator 32, so that the overhanging floor 31 is brought into the position at the time of attachment / detachment.
Next, the connection between the actuator 32 and the drive source is disconnected.
Then, the mounting seat 39 and the bracket 33 are removed with bolts, pins, vices and the like attached between them, and the overhanging floor 31 is removed by appropriate means such as a crane.
The removed extended floor 31 is moved and placed in a storage location.
[0031]
When the operator 17 riding on the platform 61 from which the overhanging floor 31 is removed operates the operation lever 16, the switch, etc. of the upper operation device 15, the actuators 7 to 11 are operated. The operation lever 16 and the switch of the upper operation device 15 are appropriately operated to bring the platform 61 closer to the work object 18 and perform work at a high place.
[0032]
In the case of this work mode, since the overhanging floor 31 is removed, the work radius can be kept small due to the weight of the overhanging floor 31, and the load on the platform 61 can be kept small. Work efficiently.
[0033]
The mating dimension of the bracket 33 can be the same as the mating dimension of the mounting base of a machine that is normally mounted on the platform 61, for example, a drilling machine such as a percussion drill. In this way, only one type of mounting seat 39 is required, and the surface of the mounting seat 39 is not exposed during the operation when the drilling machine and the overhanging floor 31 are used alternatively. It is convenient because it does not hurt the seat 39.
Of course, a dowel may be provided as a positioning guide for the bracket 33 to the mounting seat 39.
[0034]
In the above description, the operator 17 has been described as operating the operating lever 16 and the switch of the upper operating device 15 as appropriate to bring the platform 61 closer to the work object 18 to work at a high place. You may operate by an apparatus.
[0035]
Next, a second embodiment of the present invention will be described with reference to FIG. 1, FIG. 2, and FIG. Reference numerals 1 to 11 and 15 to 19 are synonymous with those described and used in the prior art, and thus description of the reference numerals is omitted here.
[0036]
41 is an overhanging floor, 42 is an actuator, 43 is a bracket, 44 is a support, 45 is a guide rail, 46 is an actuator mounting seat A, 47 is an actuator mounting seat B, and 62 is a platform. is there.
[0037]
The left and right brackets 43 are fixed to the overhanging floor 41, and the support body 44 is attached to the bracket 43 so that the relative position change with the bracket 43 is not involved. The support 44 is in the form of a slide plate, a roller or the like. The platform 62 is provided with a guide rail 45. The support body 44 is guided by the guide rail 45 and is movable, and at least one end of the guide rail 45 is an open end. It is configured to be detachable. The guide rail 45 may be shared with the girder member of the platform 62 or may be provided separately.
[0038]
One side of the actuator 42 is connected to an actuator mounting seat A46 provided on the overhanging floor 41, the other side is detachable from an actuator mounting seat B47 provided on the platform 62, and the overhanging floor 41 is attached to the platform 62 by itself. Drive to the present.
[0039]
The platform extended floor device in the aerial work device according to the second embodiment of the present invention configured as described above operates as follows.
[0040]
First, when the maintained wall surface or the like is the work object 18 and the overhanging floor 41 is unnecessary, the work is performed only with the platform 62 to which the overhanging floor 41 is not attached.
In this case, each of the actuators 7 to 11 is operated by the operator 17 operating the operation lever 16 and the switch of the upper operation device 15 on the platform 62. The operation lever 16 and the switch of the upper operation device 15 are appropriately operated to bring the platform 62 closer to the work object 18 and perform work at a high place.
[0041]
Next, when the platform 62 cannot make the degree of approach according to the work content due to unevenness of the work object 18, the work is performed with the overhanging floor 41 attached to the platform 62.
In order to attach the overhanging floor 41 to the platform 62, the stored overhanging floor 41 is moved by an appropriate means such as a crane, and the support body 44 is opened at the end of the guide rail 45 provided on the platform 62. To be inserted into the guide rail 45.
The other side of the actuator 42 is connected to an actuator mounting seat B47 provided on the platform side with a pin or the like, and the overhanging floor 41 is driven to be freely extended with respect to the platform 62. The connection at the actuator mounting seat B47 may be driven by power such as a power pin.
[0042]
Then, a drive source corresponding to the type of the actuator 42 such as hydraulic pressure or electric power is connected to the actuator 42. The drive source may be provided in the platform 62, may be provided in the telescopic boom 4, the swivel base 3, the base 2 or the like, or may be a separate one not provided in the aerial work vehicle. Further, the drive source may be provided on the overhanging floor 41 itself, and in this case, connection is not particularly required.
[0043]
The extension floor 41 is attached to the platform 62 by inserting the support 44 into the guide rail 45 from the opening end of the guide rail 45 provided on the platform 62 and the actuator 42 including the other side of the actuator 42 on the platform 62. The connection is completed by connecting the mounting seat B47 with a pin or the like, and connecting the drive source to the actuator 42. This is because the left and right brackets 43 are fixed to the overhanging floor 41, and the support body 44 attached to the bracket 43 is guided by a guide rail 45 provided in the platform 62 so as to be movable. This is because it is connected to the actuator mounting seat A46 provided on the floor 41 and is integrated.
[0044]
When the installation of the overhanging floor 41 to the platform 62 is completed, the operator 17 appropriately operates the operation lever 16, switches, etc. to activate the actuators 7 to 11 to bring the platform 62 closer to the work object 18, and then further The actuator 42 is freely driven by appropriately operating the operation lever 16, a switch, and the like, and the overhanging floor 41 is adjusted to the degree of proximity according to the unevenness of the work object 18 and the work content.
[0045]
By positioning the work machine 19 mounted on the platform 62 and the operator 17 on the platform 62 on the overhanging floor 41 from the platform 62, the degree of approach to the work object 18 can be adjusted according to the work content. Compared to the platform 62 that does not have the floor 41, work at a high place can be performed more safely and efficiently.
[0046]
Then, it is assumed that the next work is a work that does not require the overhanging floor 41.
In this case, the overhanging floor 41 is removed from the platform 62.
As a removal procedure, first, the operator 17 appropriately operates the operation lever 16, a switch and the like to drive the actuator 42 so that the overhanging floor 41 is brought into the position at the time of attachment / detachment.
Next, after removing a pin or the like connecting the other side of the actuator 42 and the actuator mounting seat B47, the actuator 42 is fully reduced. Then, the connection between the actuator 42 and the drive source is disconnected.
The support body 44 is removed from the opening end at the tip end of the guide rail 45 provided in the platform 62 by an appropriate means such as a crane and removed.
The removed overhanging floor 41 is moved and placed in a storage location.
[0047]
When the operator 17 who has boarded the platform 62 from which the overhanging floor 41 has been removed operates the operation lever 16, the switch and the like of the upper operation device 15, the actuators 7 to 11 are activated. The operation lever 16 and the switch of the upper operation device 15 are appropriately operated to bring the platform 62 closer to the work object 18 and perform work at a high place.
[0048]
In the case of this work mode, since the overhanging floor 41 is removed, the work radius can be kept small due to the weight of the overhanging floor 41, and the load on the platform 62 can be kept small. Work efficiently.
[0049]
In the above, it has been described that the support 44 is fitted into and detached from the guide rail 45 from the opening end of the guide rail 45. You may detach it.
[0050]
By the way, the platform in the first embodiment or the second embodiment of the platform extending floor device in the above-described high-altitude working apparatus of the present invention can be configured as shown in FIG.
[0051]
31 and 41 are overhanging floors, 51 is a side edge, 52 is a floor, 53 is an opening, and 63 and 64 are platforms.
[0052]
Each of the platforms 63 and 64 has a part of the side edge 51 and a floor surface 52 subsequent thereto, and has an opening 53 formed thereby. The overhanging floors 31 and 41 are detachable and attached so as to cover the opening 53.
[0053]
Regarding the configuration, procedure, and operation after attaching / detaching the overhanging floors 31, 41 to / from the platforms 63, 64 having such openings 53, the first embodiment and the second implementation described above will be described. Since it is the same as the embodiment, the description is omitted.
[0054]
If the platforms 63 and 64 having such an opening 53 are used, when the work does not require the overhanging floors 31 and 41, the platform 63 or 64 is used when a drilling machine or the like is installed in the work machine 19. In addition, there is an effect that an oblique drilling operation or the like can be performed without any interference without interfering with the floor surface 52.
[0055]
When working with the overhanging floors 31 and 41 attached to the platforms 63 and 64, the opening 53 is blocked, so there is no danger of stepping off and it is safe and the floor surface can be used widely. Is good.
[0056]
Although the actuators 32 and 42 have been described as being provided in the overhanging floors 31 and 41, those provided in the platforms 61, 62, 63, and 64 are also conceivable.
[0057]
In the above description, the aerial work device B is described as being mounted on the vehicle 1 as the aerial work vehicle A. However, the platform overhanging device in the aerial work device according to the present invention is an aerial work device. Of course, the present invention can be applied to a stationary type used only in the apparatus B.
[0058]
【Effect of the invention】
According to a first aspect of the present invention, there is provided an extended floor device for a platform, comprising: a boom that can be swung and undulated on a vehicle or a base; and a platform at a tip of the boom via a posture maintaining member. In the above-mentioned high-altitude work device, the extended floor and the actuator that drives the extended floor to be freely extended are provided so as to be detachable from the platform.
[0059]
The overhanging floor and the actuator that drives the overhanging floor to be freely detachable can be attached to and detached from the platform, so that the overhanging floor can be driven freely over the platform and work that does not require an overhanging floor is required. In this case, the overhanging floor can be removed from the platform. Therefore, in the case of work that does not require an overhanging floor, the work radius is not reduced and the load on the platform 6 is not reduced, and the work efficiency can be improved.
[0060]
In the second aspect, in addition to the first aspect, the platform has an opening in which a part of the side edge and the floor surface following the part are omitted, and the overhanging floor is configured to cover the opening.
[0061]
Since the platform has an opening in which a part of the side edge and the subsequent floor surface are missing, in addition to the operation of claim 1, the platform is equipped with a drilling machine or the like. In addition, when an overhanging floor is provided, this opening is covered, so that it is possible to work safely.
[0062]
According to claim 3, when the overhanging floor and the actuator for driving the overhanging floor to be freely extended are detachably provided with respect to the platform according to claim 1 or 2, the platform is detachable. A structure that includes a bracket, a support attached to the bracket, and a guide rail that can be moved through the support on the extended floor, with one side of the actuator connected to the bracket and the other to the extended floor I made it.
[0063]
With this configuration, in addition to the operation of the first or second aspect, the operation of attaching / detaching the overhanging floor and the actuator that drives the overhanging floor to be freely extended is performed by attaching / detaching the bracket. It just needs to be done. Therefore, the attachment / detachment operation of the overhanging floor and the actuator with respect to the platform has an effect of being simple.
[0064]
In Claim 4, in providing the extension floor and the actuator for driving the extension floor detachably with respect to the platform according to Claim 1 or Claim 2, the platform is provided with a guide rail, It has a support that can be guided and moved by the guide rail on the overhanging floor and that can be fitted to and removed from the guide rail. One side of the actuator is connected to the overhanging floor and the other side is detachably connected to the platform side. Was configured.
[0065]
With this configuration, in addition to the operation of the first or second aspect, the operation of attaching and detaching the overhanging floor and the actuator for driving the overhanging floor freely is performed by the guide of the support body. The fitting / removing operation with respect to the rail and the operation of attaching / detaching the other side of the actuator to / from the platform side are sufficient. Therefore, the attachment / detachment operation of the overhanging floor and the actuator with respect to the platform has an effect of being simple.
[Brief description of the drawings]
FIG. 1 is an explanatory view showing an aerial work vehicle according to the present invention.
FIG. 2 is an explanatory view showing a platform extended floor device in an aerial work device according to the present invention.
3 is a view taken in the direction of an arrow in FIG. 2 or FIG.
4 is an explanatory view corresponding to FIG. 3, showing another embodiment of FIG. 2 or FIG.
FIG. 5 is an explanatory view showing another embodiment of the platform overhanging device of the high-altitude work apparatus according to the present invention.
FIG. 6 is an explanatory view showing an overhanging floor device of a platform in a conventional aerial work device.
[Explanation of symbols]
6, 61, 62, 63, 64 platforms,
21, 31, 41
22, 32, 42 Actuator,
33, 43 Bracket,
34, 44 support,
35, 45 guide rail,
51 side edges,
52 floor,
53 opening,
B Altitude work device,

Claims (4)

In an aerial work apparatus comprising a boom that can pivot and undulate on a vehicle or a base, and a platform via a posture maintaining member at the tip of the boom,
An extended floor device for a platform in an aerial work device, characterized in that an extended floor and an actuator for driving the extended floor to be freely extended are detachably attached to the platform. 2. The platform according to claim 1, wherein the platform has an opening in which a part of a side edge and a floor surface subsequent thereto are missing, and the overhanging floor is configured to cover the opening. Platform overhanging device in aerial work equipment. A bracket detachably attached to the platform; a support attached to the bracket; and a guide rail movable on the overhanging floor via the support, wherein one side of the actuator is connected to the bracket side The platform extended floor device in an aerial work device according to claim 1, wherein the platform is connected to the extended floor side. The platform includes a guide rail, and a support body that is guided and moved by the guide rail to the overhanging floor and is detachable from the guide rail, and one side of the actuator is connected to the overhanging floor side The platform extended floor device in an aerial work device according to claim 1 or 2, wherein the side is detachably connected to the platform side.

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