CN114735033B - Walking board device and cableway system - Google Patents

Walking board device and cableway system Download PDF

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Publication number
CN114735033B
CN114735033B CN202210476261.5A CN202210476261A CN114735033B CN 114735033 B CN114735033 B CN 114735033B CN 202210476261 A CN202210476261 A CN 202210476261A CN 114735033 B CN114735033 B CN 114735033B
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China
Prior art keywords
telescopic
rod
connecting rod
assembly
driving
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CN202210476261.5A
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CN114735033A (en
Inventor
里鑫
吴晓光
阮建斌
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Beijing Materials Handling Research Institute Co ltd
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Beijing Materials Handling Research Institute Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The present invention provides a walking board device and a cableway system, wherein the walking board device comprises: footboard, hinge assembly, actuating assembly and at least one flexible subassembly, two hinge assemblies lay in the both sides of footboard relatively, hinge assembly includes head rod, second connecting rod and connecting plate, head rod pivotable's connection Yu Datou, the second connecting rod passes through connecting plate and head rod hinged connection, head rod, second connecting rod and connecting plate build and form parallelogram structure, flexible subassembly connects in the second connecting rod, actuating assembly is connected with flexible subassembly, under actuating assembly's drive, flexible subassembly can drive parallelogram structure and produce deformation, in order to drive the footboard and swing around the pin joint under keeping the horizontality, make it not only be applicable to the cable pulley maintenance, also can provide convenience for the rescue, can also dodge the carriage in order to avoid the collision, its suitability is wider, the security is higher, can effectively improve staff's operating efficiency.

Description

Walking board device and cableway system
Technical Field
The invention relates to the technical field of cableways, in particular to a walking device and a cableway system.
Background
Cableways are widely applied to the fields of travel, urban traffic and the like in China, the safety of the cableways is paid more attention to by people and the importance of the country, the daily maintenance and overhaul of cableway wheels are one of effective modes for ensuring the installation and operation of the cableway wheels, and the cableway travelling table is arranged to facilitate the maintenance of the cableway wheels by workers.
However, in actual operation, the swing angle of the rope pulley changes in real time under natural conditions, the conventional walking device is of a fixed structure, cannot be adjusted after installation, and if the maintenance position is proper, the walking device is easy to collide with the lifting appliance, and if the walking device can avoid the lifting appliance, the installation position is too low or too high, and maintenance and rescue are difficult to implement. Therefore, the existing walking board has poor applicability and seriously affects the working efficiency of staff; in addition, if the staff force the maintenance to the cable pulley of remote distance, the most likely incident that appears, it still has great potential safety hazard.
Disclosure of Invention
The invention provides a walking device and a cableway system, which are used for solving the problems of poor applicability and low safety of the walking device in the prior art.
In a first aspect, the present invention provides a walking board device, comprising: the pedal, the hinge assembly, the driving assembly and the at least one telescopic assembly;
the two hinge assemblies are oppositely arranged at two sides of the pedal;
The hinge assembly includes: the connecting device comprises a first connecting rod, a second connecting rod and a connecting plate, wherein the first connecting rod is pivotally connected to a tower head, the second connecting rod is hinged with the first connecting rod through the connecting plate, and the first connecting rod, the second connecting rod and the connecting plate are constructed to form a parallelogram structure;
The telescopic assembly is connected to the second connecting rod, the driving assembly is connected with the telescopic assembly, and under the driving of the driving assembly, the telescopic assembly can drive the parallelogram structure to deform so as to drive the pedal to swing around the hinge point under the state of keeping horizontal.
According to the walking device provided by the invention, the telescopic assembly comprises the first telescopic rod and the second telescopic rod, one end of the first telescopic rod is pivotally connected to the tower head, the second telescopic rod is sleeved on the first telescopic rod, and one end of the second telescopic rod, which is far away from the tower head, is connected to the second connecting rod.
According to the walking device provided by the invention, the driving assembly comprises the first driving piece, the first driving piece is connected with the second telescopic rod, and the second telescopic rod can move relative to the first telescopic rod along the extending direction of the second telescopic rod under the driving of the first driving piece.
According to the walking device provided by the invention, the driving assembly further comprises a second driving piece, the second driving piece is connected to the first telescopic rod or the second telescopic rod, and the telescopic assembly can rotate around the connection point of the first telescopic rod and the tower head under the driving of the second driving piece.
According to the walking board device provided by the invention, the connecting board comprises a first connecting part and a second connecting part, and the first connecting part is vertically connected with the second connecting part;
One end of the first connecting part far away from the second connecting part is hinged to the first connecting rod, and one end of the second connecting part far away from the first connecting part is hinged to the second connecting rod; the lower surface of footboard laminating is located the upper surface of first connecting portion.
According to the walking device provided by the invention, a plurality of connecting plates are arranged in sequence along the length direction of the first connecting rod, and the plurality of first connecting parts are horizontally arranged in parallel.
According to the walking device provided by the invention, a plurality of pedals are arranged, and the pedals are connected with the first connecting parts in a one-to-one correspondence manner.
According to the walking device provided by the invention, the walking device further comprises a guard rail, and the guard rail is connected to the periphery of the pedal.
In a second aspect, the invention also provides a cableway system comprising: the tower head, the rope pulley and the walking device according to any one of the above, wherein the walking device is hinged to the tower head, and the extending direction of the walking device is the same as the laying extending direction of the rope pulley.
According to the cableway system provided by the invention, two walking devices are arranged, and the two walking devices are symmetrically arranged at two sides of the tower head.
According to the walking device and the cableway system, the first connecting rod, the second connecting rod and the connecting plate are connected through the hinge to form the deformable parallelogram structure, the two hinge assemblies are oppositely arranged on two sides of the pedal, and further, the parallelogram structure is driven to deform through the telescopic assemblies under the driving of the driving assemblies so as to drive the pedal above the connecting plate to move along with the connecting plate, so that the self-adaptive adjustment of the pedal according to the position of the cable wheel in the operation process is realized, and the problems of poor applicability and low safety of the walking device in the prior art are effectively avoided. The walking board device and the cableway system provided by the invention not only can be suitable for overhauling the cableway wheels with various heights, but also can provide convenience for rescue, and can effectively avoid the suspended carriage so as not to collide.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a walking device according to an embodiment of the present invention;
FIG. 2 is a partial schematic view at A of FIG. 1;
FIG. 3 is a second schematic diagram of a walking device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cableway system according to an embodiment of the present invention;
FIG. 5 is a second schematic diagram of a cableway system according to an embodiment of the present invention;
reference numerals:
1: a pedal; 2: a hinge assembly; 21: a first connecting rod; 22: a second connecting rod; 23: a connecting plate; 231: a first connection portion; 232: a second connecting portion; 3: a telescoping assembly; 31: a first telescopic rod; 32: a second telescopic rod; 4: a guard rail; 5: a tower head; 6: rope pulley.
Detailed Description
In the description of the present invention, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "provided with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a walking device and a cableway system, which are used for solving the problems of poor applicability and low safety of the walking device in the prior art.
The following describes a walking device and a cableway system according to an embodiment of the present invention with reference to fig. 1 to 5.
In a first aspect, an embodiment of the present invention provides a walking board device, including: a pedal 1, a hinge assembly 2, a drive assembly and at least one telescopic assembly 3.
Two hinge assemblies 2 are oppositely arranged at two sides of the pedal 1.
The hinge assembly 2 includes: the tower comprises a first connecting rod 21, a second connecting rod 22 and a connecting plate 23, wherein the first connecting rod 21 is pivotally connected to the tower head 5, the second connecting rod 22 is hinged with the first connecting rod 21 through the connecting plate 23, and the first connecting rod 21, the second connecting rod 22 and the connecting plate 23 are constructed to form a parallelogram structure.
The telescopic assembly 3 is connected to the second connecting rod 22, the driving assembly is connected with the telescopic assembly 3, and under the driving of the driving assembly, the telescopic assembly 3 can drive the parallelogram structure to deform so as to drive the pedal 1 to swing around the hinge point under the state of keeping horizontal.
Specifically, as shown in fig. 1, the walking board device is composed of a pedal 1, a hinge assembly 2, a driving assembly and a telescopic assembly 3, wherein the pedal 1 is used for supporting a worker to walk, and in consideration of safety, the pedal 1 is ensured to have better durability, and the pedal 1 can be made of metal, such as stainless steel, iron plates and the like.
Hinge assemblies 2 are connected to two sides of the pedal 1, and the hinge assemblies 2 are used for supporting the pedal 1 and driving the pedal 1 to move.
As shown in fig. 1, the hinge assembly 2 is composed of a first connecting rod 21, a second connecting rod 22 and a connecting plate 23, wherein two ends of the connecting plate 23 are respectively hinged with the first connecting rod 21 and the second connecting rod 22, and the first connecting rod 21, the second connecting rod 22 and the connecting plate 23 can form a parallelogram structure.
The number of the connecting plates 23 can be 1, namely, the connecting plates 23 are large in size, and the upper plane can meet the walking requirement of staff; as shown in fig. 1, a plurality of connection plates 23 may be formed in a stepped structure, and the walking device may be adjusted to an appropriate position, so that a worker may walk up and down by himself/herself to adjust to an appropriate working position.
When the number of the connecting plates 23 is only one, since the cable pulleys are arranged obliquely, the position of the walking device needs to be adjusted once when each cable pulley is overhauled, and the operation flexibility is less than that of the step-shaped structure, but the cable pulley is also provided with the function of adaptively adjusting the position of the walking device, so the cable pulley can fall into the protection scope of the embodiment of the invention.
As shown in fig. 1, the first connecting rod 21 is pivotally connected to the tower head 5, i.e. the first connecting rod 21 can rotate around its connection point, and the telescopic assembly 3 is connected at the distal end of the second connecting rod 22, and the other end of the telescopic assembly 3 is pivotally connected to the top of the tower head 5.
The driving assembly is connected to the telescopic assembly 3 and is used for driving the telescopic assembly 3 to realize telescopic and rotating around the joint of the telescopic assembly and the tower head 5, and driving the parallelogram structure to deform when the telescopic assembly and the rotating assembly are driven, and the parallelogram structure is a hinge structure, so that the upper horizontal plane of the pedal 1 can be ensured to be always kept horizontal in the deformation process.
For example, fig. 1 shows a parallelogram structure in which the first connecting rod 21 is located below and the second connecting rod 22 extends obliquely downward on the upper pedal 1, and the position of the pedal 1 is adapted to the rope pulley 6, so as to facilitate maintenance of the rope pulley;
fig. 3 shows a parallelogram structure in which the first connecting rod 21 is on the upper side and the second connecting rod 22 extends obliquely upwards from the pedal 1 below, and the structure has a higher position of the walking device, so that the collision between the walking device and the hanging box can be effectively avoided.
According to the walking device provided by the embodiment of the invention, the first connecting rod 21, the second connecting rod 22 and the connecting plate 23 are connected through the hinge to construct and form the deformable parallelogram structure, and the two parallelogram structures are oppositely arranged on two sides of the pedal 1, and further, under the driving of the driving assembly, the telescopic assembly 3 drives the parallelogram structure to deform so as to drive the pedal 1 above the connecting plate 23 to move along with the telescopic assembly, so that the self-adaptive adjustment of the pedal 1 according to the position of the cable pulley 6 in the operation process is realized, and the problems of poor applicability and low safety of the walking device in the prior art are effectively avoided. The walking device provided by the embodiment of the invention not only can be suitable for overhauling the rope wheels 6 with various heights, but also can provide convenience for rescue, and can effectively avoid the suspended carriage so as to avoid collision.
In an alternative embodiment, the telescopic assembly 3 includes a first telescopic rod 31 and a second telescopic rod 32, one end of the first telescopic rod 31 is pivotally connected to the tower head 5, the second telescopic rod 32 is sleeved on the first telescopic rod 31, and one end of the second telescopic rod 32 far away from the tower head 5 is connected to the second connecting rod 22.
Specifically, as shown in fig. 3, the telescopic assembly 3 is composed of a first telescopic rod 31 and a second telescopic rod 32, wherein the first telescopic rod 31 is rotatably connected to the top of the tower head 5 through a connecting seat, and under the action of the driving assembly, the telescopic assembly 3 can rotate around the joint of the first telescopic rod 31 and the connecting seat.
The second telescopic rod 32 is sleeved on the first telescopic rod 31, under the action of the driving component, the second telescopic rod 32 can move towards or away from the first telescopic rod 31 along the extending direction of the second telescopic rod, and under the combined driving of the two modes, the hinge component 2 and the pedal 1 can move to a required position in a following way.
In addition, the telescopic assembly 3 can also provide tension for the hinge assembly 2 and the pedal 1 to ensure that the whole device is in a stable and static state, and shaking is avoided in the operation process. Therefore, both the first telescopic link 31 and the second telescopic link 32 need to be made of a material having a certain strength, such as stainless steel.
The number of the telescopic components 3 can be one or a plurality, and in the case that the number of the telescopic components 3 is one, the telescopic components 3 are arbitrarily arranged on the left side or the right side of the pedal 1, namely, are connected with any one of the two hinge components 3;
In the case of a plurality of telescopic members 3, for example, two telescopic members 3 may be connected to the hinge members 2 on both sides, or may be connected to the hinge members 2 on the same side, and the specific arrangement is not limited.
The number of the telescopic assemblies 3 is at least 1, and compared with one telescopic assembly 3, the telescopic assemblies 3 are arranged, so that the stability of the walking device is better.
In an alternative embodiment, the drive assembly comprises a first drive member connected to the second telescopic rod 32, the second telescopic rod 32 being movable in its direction of extension relative to the first telescopic rod 31 under the drive of the first drive member.
Specifically, in order to realize the telescopic function of the telescopic assembly 3, a first driving member may be connected to the second telescopic rod 32, and the first driving member may be a motor, so that the second telescopic rod 32 moves relative to the first telescopic rod 31 by controlling the operation of the motor, so as to realize the control of the length of the telescopic assembly 3, and thus, the position of the telescopic assembly can be adapted to the actual requirements.
In an alternative embodiment, the drive assembly further comprises a second drive member connected to the first telescopic rod 31 or the second telescopic rod 32, and the telescopic assembly 3 is rotatable about the connection point of the first telescopic rod 31 to the tower head 5 under the drive of the second drive member.
Specifically, in order to realize the rotation function of the telescopic assembly 3, the angle between the telescopic assembly and the tower head is changed, a second driving piece can be connected to the first telescopic rod 31 or the second telescopic rod 32, and the second driving piece drives the telescopic assembly 2 to rotate around the joint of the telescopic assembly and the tower head 5, so that the hinge assembly 2 and the pedal 1 are driven to move.
In an alternative embodiment, the connection plate 23 includes a first connection portion 231 and a second connection portion 232, and the first connection portion 231 is connected perpendicularly to the second connection portion 232.
One end of the first connecting part 231 far away from the second connecting part 232 is hinged to the first connecting rod 21, and one end of the second connecting part 232 far away from the first connecting part 231 is hinged to the second connecting rod 22; the lower surface of the pedal 1 is attached to the upper surface of the first connecting portion 231.
Specifically, as shown in fig. 2, the connection plate 23 has an L-shaped structure with a first connection portion 231 and a second connection portion 232 perpendicular to each other.
One end of the first connecting portion 231 is hinged to the first connecting rod 21 through a connecting shaft, and one end of the second connecting portion 232 is hinged to the second connecting rod 22 through a connecting shaft.
When the hinge assembly 2 is deformed, the first connection portion 231 can be always kept horizontal, so that the pedal 1 connected above the first connection portion is always in a horizontal state, stable operation of a worker is facilitated, and safety of the walking device is improved.
In an alternative embodiment, the plurality of connection plates 23 are plural, the plurality of connection plates 23 are sequentially arranged along the length direction of the first connection rod 21, and the plurality of first connection portions 231 are horizontally arranged in parallel.
Specifically, in the case where there are a plurality of connection plates 23, as shown in fig. 1, the plurality of connection plates 23 are connected between the first connection rod 21 and the second connection rod 22 in the length direction of the first connection rod 21.
The plurality of connection plates 23 are sequentially arranged in a stepped structure, and the distances between two adjacent connection plates 23 may be equal or unequal, and the same is preferable for ensuring safety.
The number of the connection plates 23 is not particularly limited, and may be 5 as shown in fig. 1, or may be other number, and may be correspondingly set according to actual needs.
In an alternative embodiment, the number of pedals 1 is plural, and the plurality of pedals 1 are connected to the plurality of first connecting portions 231 in one-to-one correspondence.
Specifically, in the case where there are a plurality of connection plates 23, in order to ensure that the upper surface of the pedal 1 is always in a horizontal state, there are a corresponding plurality of the pedals 1 connected above the first connection portion 231, and the number thereof corresponds to the number of connection plates 23, so as to construct a stepped structure. For example, the number of the connection plates 23 is 5, and the number of the pedals 1 is 5.
In an alternative embodiment, the walking device further comprises a guard rail 4, the guard rail 4 being connected to the periphery of the tread plate 1.
Specifically, in order to further secure the safety of the worker in consideration of the degree of danger of the high-altitude work, as shown in fig. 1, a guard rail 4 may be vertically connected at the edge of the step 1.
The shape of the guard rail 4 is not limited, and may be an inverted U-shaped structure as shown in fig. 1, a mesh structure, or other structures.
The number of guard rails 4 may be one, which is disposed around the periphery of all the pedals 1, or may be plural as shown in fig. 1, and one guard rail 4 is disposed at each pedal 1.
In a second aspect, a cableway system provided by an embodiment of the present invention includes: the tower head 5, the rope pulley 6 and the deck device according to any one of the first aspect, wherein the deck device is hinged to the tower head 5, and the extending direction of the deck device is the same as the layout extending direction of the rope pulley 6.
Specifically, as shown in fig. 4, the cableway system comprises a tower head 5, a cable wheel 6 and the walking device as described above, wherein the walking device is hinged to the tower head 5, and the cable wheel 6 is convenient to maintain by a worker through self-adaptive adjusting positions.
Since the cableway system comprises the walking device shown in the above embodiment, the specific structure of the walking device refers to the above embodiment, and since the crane adopts the technical solution of the above embodiment, the cableway system at least has all the beneficial effects brought by the technical solution of the above embodiment, and will not be described in detail herein.
In an alternative embodiment, the number of the walking devices is two, and the two walking devices are symmetrically arranged at two sides of the tower head 5.
Specifically, as shown in fig. 5, when the rope pulleys 6 are disposed on both sides of the tower head 5, the rope pulleys 6 are generally disposed in a straight line, so that two traveling platform devices can be symmetrically installed on both sides of the tower head 5 correspondingly, and the two traveling platform devices can be individually controlled, so that a worker can maintain the rope pulleys with different heights on both sides conveniently.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. A walking board device, characterized by comprising: the pedal, the hinge assembly, the driving assembly and the at least one telescopic assembly;
the two hinge assemblies are oppositely arranged at two sides of the pedal;
The hinge assembly includes: the connecting device comprises a first connecting rod, a second connecting rod and a connecting plate, wherein the first connecting rod is pivotally connected to a tower head, the second connecting rod is hinged with the first connecting rod through the connecting plate, and the first connecting rod, the second connecting rod and the connecting plate are constructed to form a parallelogram structure;
the telescopic component is connected with the second connecting rod, the driving component is connected with the telescopic component, and the driving component is used for driving the telescopic component to realize telescopic and rotating around the joint of the telescopic component and the tower head;
The telescopic assembly can drive the parallelogram structure to deform under the drive of the driving assembly so as to drive the pedal to swing around a hinge point under the state of keeping horizontal;
the driving assembly comprises a second driving piece, the second driving piece is connected to the telescopic assembly, and the telescopic assembly can rotate around the connection point of the telescopic assembly and the tower head under the driving of the second driving piece;
the connecting plate comprises a first connecting part and a second connecting part, and the first connecting part is vertically connected with the second connecting part;
One end of the first connecting part far away from the second connecting part is hinged to the first connecting rod, and one end of the second connecting part far away from the first connecting part is hinged to the second connecting rod; the lower surface of the pedal is attached to the upper surface of the first connecting part;
The connecting plates are sequentially arranged along the length direction of the first connecting rod, and the first connecting parts are horizontally and parallelly arranged;
the number of the pedals is multiple, and the pedals are connected with the first connecting parts in a one-to-one correspondence mode.
2. The walking board device according to claim 1, wherein the telescopic assembly comprises a first telescopic rod and a second telescopic rod, one end of the first telescopic rod is pivotally connected to the tower head, the second telescopic rod is sleeved on the first telescopic rod, and one end of the second telescopic rod far away from the tower head is connected to the second connecting rod.
3. The walking board device of claim 2, wherein the driving assembly comprises a first driving member, the first driving member is connected to the second telescopic rod, and the second telescopic rod can move relative to the first telescopic rod along the extending direction of the second telescopic rod under the driving of the first driving member.
4. The step device of claim 1, further comprising a guard rail connected to a periphery of the tread.
5. A cableway system, comprising: tower head, cable pulley and the walking device of any one of claims 1 to 4, the walking device is connected with the tower head in a hinged manner, and the extending direction of the walking device is the same as the arrangement extending direction of the cable pulley.
6. The cableway system according to claim 5, wherein the number of the deck units is two, and the two deck units are symmetrically arranged at both sides of the tower head.
CN202210476261.5A 2022-04-29 2022-04-29 Walking board device and cableway system Active CN114735033B (en)

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CN114735033B true CN114735033B (en) 2024-05-28

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CN112141972A (en) * 2020-10-22 2020-12-29 宝鸡中车时代工程机械有限公司 Straight arm double-rotation maintenance operation platform mechanism
CN113727903A (en) * 2019-04-02 2021-11-30 创新专利有限公司 Cableway support with climbing equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0274439U (en) * 1988-11-29 1990-06-07
JPH0578643U (en) * 1992-03-31 1993-10-26 株式会社タダノ Step device that can be attached to a work vehicle
JPH0921285A (en) * 1995-07-08 1997-01-21 Moriyama Tekko:Kk Folding stepladder
JPH0988465A (en) * 1995-09-25 1997-03-31 Moriyama Tekko:Kk Folding stepladder
CN202923842U (en) * 2012-11-30 2013-05-08 浙江海洋学院 Ship landing stair
CN104276182A (en) * 2013-06-05 2015-01-14 波马加尔斯基公司 Maintenance device and overhead cable transport system, in particular a chairlift or cable-car, comprising such a device
CN104179449A (en) * 2013-12-11 2014-12-03 明光市浩淼消防科技发展有限公司 Drawing type firefighting truck ladder assembly
KR101852969B1 (en) * 2017-01-26 2018-06-11 주식회사 준마 Self standing container system
CN209653948U (en) * 2019-02-22 2019-11-19 大连华锐重工冶金设备制造有限公司 It levels platform and is servo-actuated ladder tap-tap plate levelling device
CN113727903A (en) * 2019-04-02 2021-11-30 创新专利有限公司 Cableway support with climbing equipment
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CN112141972A (en) * 2020-10-22 2020-12-29 宝鸡中车时代工程机械有限公司 Straight arm double-rotation maintenance operation platform mechanism

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