CN114735033A - Walking board device and cableway system - Google Patents
Walking board device and cableway system Download PDFInfo
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- CN114735033A CN114735033A CN202210476261.5A CN202210476261A CN114735033A CN 114735033 A CN114735033 A CN 114735033A CN 202210476261 A CN202210476261 A CN 202210476261A CN 114735033 A CN114735033 A CN 114735033A
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- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a walking board device and a cableway system, wherein the walking board device comprises: the two hinge assemblies are oppositely arranged on two sides of the pedal and comprise a first connecting rod, a second connecting rod and a connecting plate, the first connecting rod is pivotally connected to the tower head, the second connecting rod is hinged with the first connecting rod through the connecting plate, the first connecting rod, the second connecting rod and the connecting plate form a parallelogram structure, the telescopic assembly is connected to the second connecting rod, the driving assembly is connected with the telescopic assembly, under drive assembly's drive, flexible subassembly can drive parallelogram structure and produce deformation to drive the footboard and wind the pin joint swing under keeping the horizontality, make it not only be applicable to the cable pulley and overhaul, also can facilitate 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
Technical Field
The invention relates to the technical field of cableways, in particular to a walking board device and a cableway system.
Background
The cableway is widely applied to the fields of tourism, urban traffic and the like in China, the safety of the cableway is increasingly paid attention to people and is emphasized by the nation, the daily maintenance and overhaul of the cableway cable pulley are one of effective modes for ensuring the installation and operation of the cableway cable pulley, and the cableway walking board is arranged to facilitate the maintenance of the cableway pulley by workers.
However, in actual operation, the swinging angle of the cable pulley changes in real time under natural conditions, the conventional walking platform devices are all of a fixed structure and cannot be adjusted after installation, and if the maintenance position is proper, the walking platform is easy to collide with a lifting appliance, and if the walking platform can avoid the lifting appliance, the installation position is too low or too high, so that maintenance and rescue are difficult to implement. Therefore, the existing walking platform has poor applicability, and the working efficiency of workers is seriously influenced; in addition, if the staff maintains the cable pulley at a longer distance by force, safety accidents are likely to occur, and the cable pulley has larger potential safety hazards.
Disclosure of Invention
The invention provides a walking board device and a cableway system, which are used for solving the problems of poor applicability and low safety of the walking board device in the prior art.
In a first aspect, the present invention provides a walking board apparatus, comprising: the pedal, the hinge assembly, the driving assembly and at least one telescopic assembly;
the two hinge assemblies are oppositely arranged on two sides of the pedal;
the hinge assembly includes: the tower crane comprises a first connecting rod, a second connecting rod and a connecting plate, wherein the first connecting rod can be pivotally connected to a tower head, the second connecting rod is hinged to the first connecting rod through the connecting plate, and the first connecting rod, the second connecting rod and the connecting plate 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 a hinge point under the horizontal state.
According to the walking board device provided by the invention, the telescopic assembly comprises a first telescopic rod and a second telescopic rod, one end of the first telescopic rod is connected to the tower head in a pivoting mode, the second telescopic rod is sleeved on the first telescopic rod, and one end, far away from the tower head, of the second telescopic rod is connected to the second connecting rod.
According to the walking board device provided by the invention, the driving assembly comprises a first driving piece, the first driving piece 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 piece.
According to the walking board 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 a connecting 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, which is far away from the second connecting part, is hinged to the first connecting rod, and one end of the second connecting part, which is far away from the first connecting part, is hinged to the second connecting rod; the lower surface laminating of footboard is located the upper surface of first connecting portion.
According to the walking board device provided by the invention, the connecting boards are arranged in sequence along the length direction of the first connecting rod, and the first connecting parts are horizontally arranged in parallel.
According to the walking board device provided by the invention, the number of the pedals is multiple, and the pedals are correspondingly connected with the first connecting parts one by one.
According to the walking board device provided by the invention, the walking board device further comprises a guard rail, and the guard rail is connected to the periphery of the pedal.
In a second aspect, the present invention also provides a cableway system comprising: the walking platform device comprises a tower head, a cable pulley and the walking platform device, wherein the walking platform device is hinged to the tower head, and the extending direction of the walking platform device is the same as the arrangement extending direction of the cable pulley.
According to the cableway system provided by the invention, the two walking devices are symmetrically arranged on two sides of the tower head.
According to the walking board device and the cableway system provided by the invention, the first connecting rod, the second connecting rod and the connecting plate are connected in a hinged manner to form a deformable parallelogram structure, the two hinged components are oppositely arranged on two sides of the pedal, further, the parallelogram structure is driven to deform by the telescopic component under the driving of the driving component so as to drive the pedal above the connecting plate to move along with the parallelogram structure, the self-adaptive adjustment of the pedal according to the position of the cable pulley in the operation process is realized, and the problems of poor applicability and low safety of the walking board device in the prior art are effectively avoided. The walking board device and the cableway system provided by the invention can be suitable for overhauling cable wheels at various heights, can provide convenience for rescue, can effectively avoid a suspended carriage to avoid collision, and have the advantages of wider applicability, higher safety and capability of effectively improving the operating efficiency of workers compared with the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a walking board device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of FIG. 1 at A;
fig. 3 is a second schematic structural diagram of a walking stage device according to an embodiment of the present invention;
FIG. 4 is one of the schematic structural diagrams of the cableway system provided by the embodiment of the present invention;
fig. 5 is a second schematic structural diagram of a cableway system according to an embodiment of the present invention;
reference numerals are as follows:
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 telescopic assembly; 31: a first telescopic rod; 32: a second telescopic rod; 4: protecting the fence; 5: a tower head; 6: a cable pulley.
Detailed Description
In the description of the present invention, it should be noted that the terms "first" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "provided with", "connected" and the like are to be construed broadly, such as "connected", may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between 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.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a walking board device and a cableway system, which are used for solving the problems of poor applicability and low safety of the walking board device in the prior art.
A deck device and a cableway system according to an embodiment of the present invention will be described with reference to fig. 1 to 5.
In a first aspect, a walking apparatus provided in an embodiment of the present invention includes: footboard 1, hinge assembly 2, drive assembly and at least one flexible subassembly 3.
Two hinge assemblies 2 are oppositely arranged at two sides of the pedal 1.
The hinge assembly 2 includes: the tower head 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 to 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 to 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 horizontal state.
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 the walking of the worker, and in view of safety, the pedal 1 should have good durability, and the pedal 1 can be made of metal, such as stainless steel, iron plate, etc.
The two sides of the pedal 1 are connected with the hinge assemblies 2, 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, two ends of the connecting plate 23 are respectively hinged to the first connecting rod 21 and the second connecting rod 22, and the three 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 planes of the connecting plates can meet the walking requirements of workers; as shown in fig. 1, the 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 the worker may walk up and down by himself or herself to adjust the walking device to an optimal working position.
When the number of the connecting plates 23 is only one, the cable pulley is obliquely arranged, so that the position of the one-time walking platform device needs to be adjusted when each cable pulley is overhauled, the operation flexibility is lower than that of a step-shaped structure, but the cable pulley also has the function of adaptively adjusting the position of the walking platform device, and therefore the cable pulley also falls 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 connecting point, 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 drive assembly is connected in flexible subassembly 3 for drive flexible subassembly 3 realizes flexible and rotate around its junction with tower head 5, drives parallelogram structure and produces deformation under flexible and pivoted drive, because parallelogram structure is hinge structure, at the in-process of deformation, can ensure that the last horizontal plane of footboard 1 remains the level all the time.
For example, fig. 1 shows a parallelogram structure with a first connecting rod 21 at the bottom and a second connecting rod 22 at the top, wherein the pedals 1 extend obliquely downward, and the position of the pedals 1 is matched with the cable pulley 6, so that the cable pulley is convenient to maintain;
fig. 3 shows a parallelogram structure in which the first connecting rod 21 is arranged at the upper part and the second connecting rod 22 is arranged at the lower part of the pedal 1 and extends upwards in an inclined way, and the structure has a higher walking board device, so that the walking board device can be effectively prevented from colliding with a carriage.
The walking board device provided by the embodiment of the invention is characterized in that a first connecting rod 21, a second connecting rod 22 and a connecting plate 23 are hinged to form deformable parallelogram structures, the two parallelogram structures are oppositely arranged on two sides of a pedal 1, further, under the driving of a driving assembly, the telescopic assembly 3 drives the parallelogram structures to deform so as to drive the pedal 1 above the connecting plate 23 to move along with the parallelogram structures, so that the self-adaptive adjustment of the pedal 1 according to the position of a cable pulley 6 in the operation process is realized, and the problems of poor applicability and low safety of the walking board device in the prior art are effectively avoided. The walking board device provided by the embodiment of the invention not only can be suitable for overhauling the cable wheel 6 with various heights, but also can provide convenience for rescue, and can effectively avoid the carriage 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 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 connection position of the first telescopic rod 31 and the connecting seat.
The second telescopic link 32 cup joints in first telescopic link 31, and under drive assembly's effect, second telescopic link 32 can move towards or keep away from first telescopic link 31 along its extending direction, and under the combination drive of two kinds of modes, articulated subassembly 2 and footboard 1 can be followed and moved to required position department.
In addition, flexible subassembly 3 can also be in stable quiescent condition for articulated subassembly 2 and footboard 1 provide pulling force in order to guarantee that whole device is in, avoids appearing rocking in the operation in-process. Therefore, the first telescopic rod 31 and the second telescopic rod 32 are both made of a material having a certain strength, such as stainless steel.
The number of the telescopic assemblies 3 can be one or more, and under the condition that one telescopic assembly 3 is adopted, the telescopic assembly 3 is randomly arranged on the left side or the right side of the pedal 1, namely, is connected with any one of the two hinge assemblies 3;
in the case that there are a plurality of telescopic assemblies 3, for example, two telescopic assemblies 3 are provided, two telescopic assemblies 3 may be respectively connected to the hinge assemblies 2 on two sides, or both telescopic assemblies may be connected to the same hinge assembly 2, and the specific arrangement manner is not limited.
The quantity of the telescopic assemblies 3 is at least 1, and compared with one telescopic assembly 3, the plurality of telescopic assemblies 3 are arranged, so that the stability of the walking platform device is better.
In an alternative embodiment, the driving assembly comprises a first driving member connected to the second telescopic rod 32, and the second telescopic rod 32 can move along the extending direction thereof relative to the first telescopic rod 31 under the driving of the first driving member.
Specifically, in order to realize the telescopic function of the telescopic assembly 3, a first driving part can be connected to the second telescopic rod 32, the first driving part can be a motor, and the second telescopic rod 32 can move 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 further, the position of the telescopic assembly can adapt to actual requirements.
In an alternative embodiment, the driving assembly further comprises a second driving member, the second driving member is connected to the first telescopic rod 31 or the second telescopic rod 32, and the telescopic assembly 3 can rotate around the connection point of the first telescopic rod 31 and the tower head 5 under the driving of the second driving member.
Specifically, in order to realize the rotation function of the telescopic assembly 3 and change the included angle between the telescopic assembly and the tower head, a second driving member may be connected to the first telescopic rod 31 or the second telescopic rod 32, and the second driving member drives the telescopic assembly 2 to rotate around the connection between the telescopic assembly and the tower head 5, so as to drive the hinge assembly 2 and the pedal 1 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 perpendicularly connected to the second connection portion 232.
One end of the first connecting part 231, which is 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, which is 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 connecting plate 23 is formed by a first connecting portion 231 and a second connecting portion 232, which are perpendicular to each other and have an L-shaped structure.
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 connecting portion 231 can be always kept horizontal, so that the pedal 1 connected above the first connecting portion is always kept horizontal, the stable operation of workers is facilitated, and the safety of the walking board device is improved.
In an alternative embodiment, the connecting plate 23 is multiple, the connecting plates 23 are sequentially arranged along the length direction of the first connecting rod 21, and the first connecting portions 231 are horizontally arranged in parallel.
Specifically, in the case where there are a plurality of the 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 connecting plates 23 are sequentially arranged and are in a step-shaped structure, the distances between two adjacent connecting plates 23 can be equal or different, and the same structure is preferred for ensuring safety.
The number of the connecting plates 23 is not particularly limited, and may be 5 as shown in fig. 1, or may be other numbers, and the number may be set correspondingly according to actual needs.
In an alternative embodiment, there are a plurality of pedals 1, and the plurality of pedals 1 are connected to the plurality of first connecting parts 231 in a one-to-one correspondence.
Specifically, in the case that the connection plate 23 is plural, in order to ensure that the upper surface of the step 1 is always in a horizontal state, correspondingly, the number of the step 1 connected above the first connection portion 231 is plural, and the number thereof corresponds to the number of the connection plate 23, so as to construct and form a step structure. For example, the number of the link plates 23 is 5, and the number of the step plates 1 corresponds to 5.
In an alternative embodiment the walking board apparatus further comprises a guard rail 4, the guard rail 4 being attached to the periphery of the footplate 1.
In particular, in order to further secure the safety of workers in consideration of the danger level of the high-altitude work, a guard rail 4 may be vertically connected at the edge of the step 1 as shown in fig. 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 the guard rails 4 may be one, and the guard rails may be arranged around the periphery of all the steps 1, or may be a plurality as shown in fig. 1, and one guard rail 4 is correspondingly arranged at each step 1.
In a second aspect, an embodiment of the present invention provides a cableway system, including: a tower head 5, a cable pulley 6 and a walking board device as any one of the first aspect, wherein the walking board device is hinged with the tower head 5, and the extending direction of the walking board device is the same as the arranging extending direction of the cable pulley 6.
Specifically, as shown in fig. 4, the cableway system comprises a tower head 5, a cable pulley 6 and a walking device as described above, wherein the walking device is hinged to the tower head 5, and the cable pulley 6 is conveniently maintained by workers through self-adaptive position adjustment.
Since the cableway system includes the walking platform device shown in the above embodiment, the specific structure of the walking platform device refers to the above embodiment, and since the crane adopts the technical solution of the above embodiment, at least all the beneficial effects brought by the technical solution of the above embodiment are achieved, and no further description is given here.
In an alternative embodiment, there are two walking devices, and the two walking devices are symmetrically arranged on two sides of the tower head 5.
Specifically, as shown in fig. 5, when the cable pulley 6 is disposed on both sides of the tower head 5, the cable pulley 6 is generally linearly disposed, and therefore, two walking apparatuses may be symmetrically mounted on both sides of the tower head 5, and the two walking apparatuses may be separately controlled, so as to facilitate the maintenance of the cable pulley with different heights on both sides by the worker.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A walking board apparatus, comprising: the pedal, the hinge assembly, the driving assembly and at least one telescopic assembly;
the two hinge assemblies are oppositely arranged on two sides of the pedal;
the hinge assembly includes: the tower crane comprises a first connecting rod, a second connecting rod and a connecting plate, wherein the first connecting rod can be pivotally connected to a tower head, the second connecting rod is hinged to the first connecting rod through the connecting plate, and the first connecting rod, the second connecting rod and the connecting plate 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 a hinge point under the horizontal state.
2. The walking board device of 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. A walking board device according to claim 2, wherein the driving assembly comprises a first driving member connected to the second telescopic rod, the second telescopic rod being movable in its extension direction relative to the first telescopic rod under the driving of the first driving member.
4. A walking apparatus as claimed in claim 3, wherein the driving assembly further comprises a second driving member connected to the first telescopic rod or the second telescopic rod, and the telescopic assembly is capable of rotating around the connecting point of the first telescopic rod and the tower head under the driving of the second driving member.
5. The walking apparatus of claim 1, wherein the connecting plate comprises a first connecting portion and a second connecting portion, the first connecting portion being connected to the second connecting portion perpendicularly;
one end of the first connecting part, which is far away from the second connecting part, is hinged to the first connecting rod, and one end of the second connecting part, which is far away from the first connecting part, is hinged to the second connecting rod; the lower surface laminating of footboard is located the upper surface of first connecting portion.
6. The walking board device of claim 5, wherein the number of the connecting plates is plural, the plural connecting plates are arranged in sequence along the length direction of the first connecting rod, and the plural first connecting portions are arranged horizontally in parallel.
7. The walking board device of claim 6, wherein the number of the pedals is plural, and the plural pedals are connected with the plural first connecting parts in a one-to-one correspondence.
8. The walking apparatus of claim 1, further comprising a guard rail connected to the periphery of the treadle.
9. A cableway system, comprising: tower head, cable pulley and a device as claimed in any one of claims 1 to 8, wherein the device is connected to the tower head in an articulated manner, and the extension direction of the device is the same as the arrangement extension direction of the cable pulley.
10. Cableway system according to claim 9 characterized in that there are two of said walkway installations symmetrically placed on either side of the tower head.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210476261.5A CN114735033A (en) | 2022-04-29 | 2022-04-29 | Walking board device and cableway system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210476261.5A CN114735033A (en) | 2022-04-29 | 2022-04-29 | Walking board device and cableway system |
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| CN114735033A true CN114735033A (en) | 2022-07-12 |
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| CN202210476261.5A Pending CN114735033A (en) | 2022-04-29 | 2022-04-29 | Walking board device and cableway system |
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| 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 |
| CN111977578A (en) * | 2020-09-17 | 2020-11-24 | 三一帕尔菲格特种车辆装备有限公司 | Upper-mounted lifting device and vehicle-mounted overhead working truck |
| 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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