CN204371091U - A suspension cat ladder and engineering machine tool for engineering machine tool operation panel - Google Patents

A suspension cat ladder and engineering machine tool for engineering machine tool operation panel Download PDF

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Publication number
CN204371091U
CN204371091U CN201420827515.4U CN201420827515U CN204371091U CN 204371091 U CN204371091 U CN 204371091U CN 201420827515 U CN201420827515 U CN 201420827515U CN 204371091 U CN204371091 U CN 204371091U
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CN
China
Prior art keywords
ladder portion
cat ladder
folding climbing
climbing ladder
folding
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Expired - Fee Related
Application number
CN201420827515.4U
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Chinese (zh)
Inventor
陈亮
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201420827515.4U priority Critical patent/CN204371091U/en
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Abstract

The utility model discloses a suspension cat ladder and engineering machine tool for engineering machine tool operation panel, the suspension cat ladder includes that the upper end articulates the ladder portion and the one end on engineering machine tool's the main part of getting on the bus articulates flexible drive division (30) on engineering machine tool's the main part of getting on the bus, the other end of this flexible drive division (30) articulates in the ladder portion, with can drive ladder portion is rotatory between operating position and the position of placeeing, wherein is in operating position, ladder portion can supply operating personnel to climb the operation panel of engineering machine tool. When the suspension ladder stand is in the working position, an operator can climb on an operation table of the engineering machinery, so that the operator can climb more conveniently; the suspended ladder stand can be operated to a resting position when not in use to avoid interference of the suspended ladder stand with surrounding components.

Description

For suspension cat ladder and the engineering machinery of work machine operation platform
Technical field
The utility model relates to a kind of climbing annex of engineering machinery, particularly, relates to a kind of suspension cat ladder of the operating desk for engineering machinery.In addition, the utility model also relates to engineering machinery.
Background technology
In engineering machinery, in order to enable operating personnel have the better visual field when operating, usually operating desk is arranged on the top of engineering machinery.Therefore, needing, cat ladder is set usually and climb operating desk for staff.
Typically, as shown in Figure 1, in crane, operating desk 4 is arranged on turntable 3 usually, during in order to avoid crane rotation, cat ladder 1 and miscellaneous part such as chassis driver's cabin or the container be arranged near rotating platform of crane interfere, therefore, cat ladder 1 is arranged on underframe 2 usually, and cannot be fixed on turntable 3 or operating desk 4.
But due to narrow space on the underframe 2 of crane, cat ladder 1 is merely able at right angle setting, and cat ladder pedal width also can only arrange narrower, therefore brings inconvenience to operating personnel, and bring the hidden danger in safety.
In addition, from outward appearance, the cat ladder 1 stood on like this on underframe 2 makes the structure of crane compact not and affects the attractive in appearance of crane.
Utility model content
Technical problem to be solved in the utility model is for providing a kind of suspension cat ladder, this suspension cat ladder can convenient operation personnel be climbed on operating desk easily and reliably when needed, and can make by installing selection to avoid suspension cat ladder and peripheral parts to interfere when not using cat ladder.
To achieve these goals, the utility model provides a kind of suspension cat ladder for work machine operation platform, this suspension cat ladder comprises upper end and is hinged on get on the bus cat ladder portion on main part and one end of engineering machinery and is hinged on the telescopic drive portion of getting on the bus on main part of described engineering machinery, the other end in this telescopic drive portion is hinged in described cat ladder portion, rotate between operating position and storing position so that described cat ladder portion can be driven, wherein in described operating position, the described operating desk of engineering machinery can be climbed by described cat ladder portion for operating personnel.
Preferably, described telescopic drive portion is hydraulic cylinder.
Preferably, this cat ladder portion comprises at least two hinged successively joint folding climbing ladder portions, what wherein the upper end in the folding climbing ladder portion of the top was hinged on described engineering machinery gets on the bus on main part, in the folding climbing ladder portion that each is neighbouring, the bottom in the described folding climbing ladder portion of top is articulated with the upper end in the described folding climbing ladder portion of below by corresponding articulated section (40).
Preferably, in neighbouring folding climbing ladder portion, described articulated section comprises the support articulated section of the bottom in the described folding climbing ladder portion being arranged on top and is arranged on the folding articulated section of upper end, described folding climbing ladder portion of below, described support articulated section and folding articulated section are respectively arranged with the bearing surface that can mutually abut to limit the rotation of described articulated section, and this bearing surface is expanded in neighbouring described folding climbing ladder portion and rotates along the described folding climbing ladder portion below respective length direction alignment limit towards the main part of getting on the bus of described engineering machinery each other.
Preferably, the described other end in described telescopic drive portion is hinged in the folding climbing ladder portion of the top, folding climbing ladder portion described in each below the folding climbing ladder portion being in described the top is connected to draw springs, what this draw springs was also connected to described engineering machinery gets on the bus on main part, described telescopic drive portion drive described cat ladder portion outwards to rotate towards described operating position from described storing position and be in described operating position in described cat ladder portion state, the described folding climbing ladder portion of described draw springs to correspondence applies elastic pulling force, be expanded to each other along the trend of respective length direction alignment to make corresponding described folding climbing ladder portion have.
Preferably, the one or both sides in the width direction in the folding climbing ladder portion of described the top are respectively arranged with described telescopic drive portion, and one or both sides in the width direction, folding climbing ladder portion described in each below the folding climbing ladder portion being in described the top are connected to described draw springs.
Preferably, the main part of getting on the bus of this project machinery comprises turntable and is fixed on the described operating desk on described turntable top, and the upper end in described cat ladder portion and the described one end in described telescopic drive portion are hinged on described operating desk or described turntable.
Preferably, the main part of getting on the bus of described engineering machinery comprises turntable and is fixed on the described operating desk on described turntable top, the upper end in the folding climbing ladder portion of described the top and the described one end in described telescopic drive portion are hinged on described operating desk, and one end of draw springs described in each is connected on described operating desk, the other end is connected in corresponding described folding climbing ladder portion.
The utility model also provides a kind of engineering machinery, described engineering machinery is provided with according to the suspension cat ladder in technique scheme described in any.
Pass through technique scheme, telescopic drive portion due to the utility model suspension cat ladder can drive cat ladder portion to rotate between operating position and storing position, namely cat ladder portion has two positions: operating position and storing position, wherein can climb the operating desk of engineering machinery easily and reliably for operating personnel in operating position.And, because cat ladder portion of the present utility model can move, it also has storing position except operating position, like this by the selection of suitable installation, when cat ladder portion can be made to be in storing position, effectively avoid suspension cat ladder and peripheral parts to interfere, and do not affect the aesthetic property of the overall appearance of engineering machinery
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for manual, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram representing that in prior art, cat ladder is arranged.
Fig. 2 is the stereogram of the main part of the described suspension cat ladder representing a kind of detailed description of the invention of the utility model, and wherein this suspension cat ladder is not installed in engineering machinery.
Fig. 3 is the three-dimensional partial enlarged drawing representing articulated section 40 in Fig. 2.
Fig. 4 is the described suspension cat ladder schematic front view representing a kind of detailed description of the invention of the utility model, and wherein said suspension cat ladder is in operating position.
Fig. 5 is the described suspension cat ladder schematic front view representing a kind of detailed description of the invention of the utility model, and wherein said suspension cat ladder is in puts position.
Fig. 6 represents that a kind of detailed description of the invention of suspension cat ladder described in the utility model is arranged on the schematic side view in engineering machinery.
Fig. 7 represents that a kind of detailed description of the invention of suspension cat ladder described in the utility model is changed to the process of putting position from operating position.
Description of reference numerals
1 cat ladder 2 underframe
3 turntable 4 operating desks
10 folding climbing ladder portions
21 draw springs 30 telescopic drive portions
40 articulated sections 41 support articulated section
42 folding articulated section 43 bearing pins
50 hinged end
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
See Fig. 2 to Fig. 6, the utility model provides a kind of suspension cat ladder of work machine operation platform, this suspension cat ladder comprises upper end and is hinged on get on the bus cat ladder portion on main part and one end of engineering machinery and is hinged on the telescopic drive portion 30 of getting on the bus on main part of engineering machinery, the other end in this telescopic drive portion 30 is hinged in cat ladder portion, rotate between operating position and storing position so that cat ladder portion can be driven, wherein in operating position, the operating desk 4 of engineering machinery can be climbed by cat ladder portion for operating personnel.In the utility model, because cat ladder portion can rotate between operating position and storing position, therefore, it is possible to when needs cat ladder, telescopic drive portion 30 is utilized to make cat ladder portion rotate to operating position; And when not needing cat ladder, then cat ladder portion is rotated to and put position, thus cat ladder can be avoided to interfere with peripheral parts when rotating with main part of getting on the bus, what engineering machinery can also be made to keep on the whole is attractive in appearance.
Described telescopic drive portion can be telescopic cylinder, and preferred telescopic drive portion 30 is hydraulic cylinder.Hydraulic cylinder for suspension cat ladder bearing diagonal power is provided, thus guarantee suspension cat ladder can position in operating position.
Particularly, cat ladder portion can be the constant vertical ladder of length, also can be adjustable length folding ladder, can also to stretch ladder for being similar to two joint light metals disclosed in GB12142-1989.Using vertical ladder as cat ladder portion, there is cost low, the feature that reliability is high.But consider that the installation space in engineering machinery is less, preferred folding ladder, folding ladder can either meet staff's climbing to the length of operating desk 4, can also fold to make cat ladder portion can not interfere with miscellaneous part when rotated.
The variable folding ladder of preferred length is following structure, this cat ladder portion comprises at least two hinged successively joint folding climbing ladder portions 10, what wherein the upper end in the folding climbing ladder portion 10 of the top was hinged on described engineering machinery gets on the bus on main part, in the folding climbing ladder portion 10 that each is neighbouring, the bottom in the described folding climbing ladder portion 10 of top is articulated with the upper end in the described folding climbing ladder portion 10 of below by corresponding articulated section 40.
On the basis of technique scheme, as shown in Figure 3, in neighbouring folding climbing ladder portion 10, articulated section 40 comprises the support articulated section 41 of the bottom in the folding climbing ladder portion 10 being arranged on top and is arranged on the folding articulated section 42 of upper end, folding climbing ladder portion 10 of below, support bearing surface articulated section 41 and folding articulated section 42 being respectively arranged with and can mutually abutting to limit articulated section 40 rotation, this bearing surface is expanded in neighbouring described folding climbing ladder portion 10 and rotates along the folding climbing ladder portion 10 below respective length direction alignment limit towards the main part of getting on the bus of described engineering machinery each other.Particularly, support articulated section 41 and folding articulated section 42 and form by bearing pin 43 is hinged.
When suspending cat ladder and being in Fig. 4 state, even if operating personnel stand in the folding climbing ladder portion 10 of below, the clockwise moment of torsion in the folding climbing ladder portion 10 being acted on top by the folding climbing ladder portion 10 of below also can be born in articulated section 40.And owing to suspending cat ladder operationally, in straight line, and there is certain angle in the folding climbing ladder portion 10 of upper and lower with vertical direction, thus can convenient operation personnel climb.
It is easily understood that although manpower can be utilized to be opened in neighbouring folding climbing ladder portion, consider the working strength alleviating operating personnel, be preferably provided with draw springs in suspension cat ladder.As shown in Figure 2, the other end in telescopic drive portion 30 is hinged in the folding climbing ladder portion 10 of the top, each folding climbing ladder portion 10 below the folding climbing ladder portion 10 being in the top is connected to draw springs 21, what this draw springs 21 was also connected to engineering machinery gets on the bus on main part, telescopic drive portion 30 drive cat ladder portion from put position outwards rotate towards operating position and be in operating position in cat ladder portion state, the folding climbing ladder portion 10 of draw springs 21 to correspondence applies elastic pulling force, be expanded to each other along the trend of respective length direction alignment to make corresponding folding climbing ladder portion 10 have.This draw springs 21 is preferably air spring.
See Fig. 4, air spring is in elongated condition, therefore under the pulling force effect of air spring, the folding climbing ladder portion 10 of below has the trend turned clockwise around the folding climbing ladder portion 10 of top, again owing to mutually conflicting between the support articulated section 41 between two sections of cat ladders and folding articulated section 42, so the folding climbing ladder portion 10 of below cannot continue to turn clockwise, therefore, the meeting under the pulling force of air spring rotates to it double action limited with support articulated section 41 of the folding climbing ladder portion 10 of below keep stable linear state with the folding climbing ladder portion 10 of top.
See Fig. 5, the tilting below at operating desk 4, the folding climbing ladder portion 10 due to top, the folding climbing ladder portion 10 of below then remains close to turntable 3.
In addition, because the suspension cat ladder in the utility model is by the restriction of chassis space, therefore, it is possible to the width of the pedal of cat ladder is arranged wider, thus the operating personnel that are more convenient for climb.
Below in conjunction with Fig. 7, illustrate as preferred embodiment of the present utility model, wherein, a is that cat ladder portion is in operating position (duty), and b is critical condition, and c is that cat ladder portion is in storing position (folded state).After operating personnel have utilized suspension cat ladder have climbed operating desk 4, when crane operation is carried out in preparation, suspension cat ladder first must be made to be in folded state, to interfere in order to avoid parts such as driver's cabin and the container etc. be in around the suspension cat ladder of operating position and chassis produces.
First, under the state in the figure 7 shown in a, hydraulic control cylinder bounces back, and because the pulling force of air spring exists always, now the folding climbing ladder portion 10 of below turns clockwise with the folding climbing ladder portion 10 of top together with keeping under linear state.The extension elongation of air spring constantly reduces in the process, until air spring gets back to initial length during a certain position, now its pulling force disappears and starts to keep length constant, and this position is the critical condition that suspension cat ladder described in the utility model rotates.
Afterwards, continuation bounces back by hydraulic cylinder, so the folding climbing ladder portion 10 of top turns clockwise continuing, and the folding climbing ladder portion 10 of relative top starts to be rotated counterclockwise by the folding climbing ladder portion 10 of below, and till finally moving to when the folding climbing ladder portion 10 of below is in vertical state, namely cat ladder completes folding, in the process, air spring keeps initial length constant always, and can swing in right amount around its pin joint be connected with operating desk 4 along with the motion in the folding climbing ladder portion 10 of below.Complete after folding, the tilting below at operating desk 4, the folding climbing ladder portion 10 due to top, the folding climbing ladder portion 10 of below then keeps vertically near turntable 3.
Therefore, when crane carries out revolution action, suspension cat ladder can not interfere with miscellaneous part.It is easily understood that hydraulic control cylinder stretches out, then can realize the process contrary with foregoing description, make cat ladder portion put operating position (duty) from storing position (folded state) motion.
On the basis of technique scheme, as shown in Figure 6, the one or both sides in the width direction in the folding climbing ladder portion 10 of the top are respectively arranged with telescopic drive portion 30, and each one or both sides in the width direction, folding climbing ladder portion 10 below the folding climbing ladder portion 10 being in described the top are connected to draw springs 21 (folded cat ladder portion blocks).
On the basis of technique scheme, the main part of getting on the bus of this project machinery comprises turntable 3 and is fixed on the operating desk 4 of upper lateral part of turntable 3, and the upper end in cat ladder portion and the one end in telescopic drive portion 30 are hinged on operating desk 4 or described turntable 3.Particularly, as shown in Figure 4, be formed as hinged end 50 by the upper end in cat ladder portion and be hinged on operating desk 4.
On the basis of technique scheme, the main part of getting on the bus of engineering machinery comprises turntable 3 and is fixed on the operating desk 4 of upper lateral part of turntable 3, the upper end in the folding climbing ladder portion 10 of the top and the one end in telescopic drive portion 30 are hinged on operating desk 4, and one end of each draw springs 21 is connected on operating desk 4, the other end is connected in corresponding folding climbing ladder portion 10.
The utility model also provides a kind of engineering machinery, and this project is mechanically provided with according to the suspension cat ladder in technique scheme described in any one.Because the cat ladder portion of this suspension cat ladder rotates in operating position and putting between position, therefore when without the need to using cat ladder, cat ladder portion is rotated to putting position, thus make engineering machinery keep on the whole attractive in appearance.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (9)

1. the suspension cat ladder for work machine operation platform, it is characterized in that, this suspension cat ladder comprises upper end and is hinged on get on the bus cat ladder portion on main part and one end of engineering machinery and is hinged on the telescopic drive portion (30) of getting on the bus on main part of described engineering machinery, the other end in this telescopic drive portion (30) is hinged in described cat ladder portion, rotate between operating position and storing position so that described cat ladder portion can be driven, wherein in described operating position, the described operating desk (4) of engineering machinery can be climbed by described cat ladder portion for operating personnel.
2. suspension cat ladder according to claim 1, is characterized in that, described telescopic drive portion (30) is hydraulic cylinder.
3. suspension cat ladder according to claim 1, it is characterized in that, this cat ladder portion comprises at least two hinged successively joints folding climbing ladder portion (10), what wherein the upper end in the folding climbing ladder portion (10) of the top was hinged on described engineering machinery gets on the bus on main part, in the folding climbing ladder portion (10) that each is neighbouring, the bottom of the described folding climbing ladder portion (10) of top is articulated with the upper end of the described folding climbing ladder portion (10) of below by corresponding articulated section (40).
4. suspension cat ladder according to claim 3, it is characterized in that, in neighbouring folding climbing ladder portion (10), described articulated section (40) comprises the folding articulated section (42) of the support articulated section (41) of the bottom of the described folding climbing ladder portion (10) being arranged on top and described folding climbing ladder portion (10) upper end below being arranged on, described support articulated section (41) and folding articulated section (42) are respectively arranged with the bearing surface that mutually can abut to limit described articulated section (40) and rotate, this bearing surface is expanded to neighbouring described folding climbing ladder portion (10) and rotates along the described folding climbing ladder portion (10) below respective length direction alignment limit towards the main part of getting on the bus of described engineering machinery each other.
5. suspension cat ladder according to claim 3, it is characterized in that, the described other end of described telescopic drive portion (30) is hinged in the folding climbing ladder portion (10) of the top, be in the below, folding climbing ladder portion (10) of described the top each described in folding climbing ladder portion (10) is connected to draw springs (21), what this draw springs (21) was also connected to described engineering machinery gets on the bus on main part, described telescopic drive portion (30) drive described cat ladder portion outwards to rotate towards described operating position from described storing position and be in described operating position in described cat ladder portion state, the described folding climbing ladder portion (10) of described draw springs (21) to correspondence applies elastic pulling force, be expanded to each other along the trend of respective length direction alignment to make corresponding described folding climbing ladder portion (10) have.
6. suspension cat ladder according to claim 5, it is characterized in that, the one or both sides in the width direction in the folding climbing ladder portion (10) of described the top are respectively arranged with described telescopic drive portion (30), be in the below, folding climbing ladder portion (10) of described the top each described in one or both sides in the width direction, folding climbing ladder portion (10) are connected to described draw springs (21).
7. suspension cat ladder according to any one of claim 1 to 6, it is characterized in that, the main part of getting on the bus of this project machinery comprises turntable (3) and is fixed on the described operating desk (4) on described turntable (3) top, and the upper end in described cat ladder portion and the described one end in described telescopic drive portion (30) are hinged on described operating desk (4) or described turntable (3).
8. the suspension cat ladder according to any one of claim 5 to 6, it is characterized in that, the main part of getting on the bus of described engineering machinery comprises turntable (3) and is fixed on the described operating desk (4) on described turntable (3) top, the upper end in the folding climbing ladder portion (10) of described the top and the described one end in described telescopic drive portion (30) are hinged on described operating desk (4), and one end of draw springs described in each (21) is connected on described operating desk (4), the other end is connected on corresponding described folding climbing ladder portion (10).
9. an engineering machinery, is characterized in that, described engineering machinery is provided with according to the suspension cat ladder in claim 1-8 described in any one.
CN201420827515.4U 2014-12-23 2014-12-23 A suspension cat ladder and engineering machine tool for engineering machine tool operation panel Expired - Fee Related CN204371091U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107497670A (en) * 2017-09-30 2017-12-22 洛阳益矿机械设备有限公司 A kind of multistage reciprocating sieve for expanding sieving area
WO2018064912A1 (en) * 2016-10-08 2018-04-12 王睿 Plurality of energy storage turntables-based safe ladder for high-voltage wire rack
CN108609307A (en) * 2016-12-09 2018-10-02 扬州中集通华专用车有限公司 Tank case and its cat ladder
CN109464769A (en) * 2018-12-27 2019-03-15 徐工消防安全装备有限公司 Ladder component and fire fighting truck
CN109577850A (en) * 2018-12-10 2019-04-05 长沙中联消防机械有限公司 For being aligned the method for ladder, the system for being aligned ladder and fire fighting truck
CN114506801A (en) * 2022-02-16 2022-05-17 嘉兴优创园林工程有限公司 Street lamp overhauls automatic lifting device for municipal works

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018064912A1 (en) * 2016-10-08 2018-04-12 王睿 Plurality of energy storage turntables-based safe ladder for high-voltage wire rack
CN108609307A (en) * 2016-12-09 2018-10-02 扬州中集通华专用车有限公司 Tank case and its cat ladder
CN108609307B (en) * 2016-12-09 2024-05-03 扬州中集通华专用车有限公司 Tank and ladder thereof
CN107497670A (en) * 2017-09-30 2017-12-22 洛阳益矿机械设备有限公司 A kind of multistage reciprocating sieve for expanding sieving area
CN107497670B (en) * 2017-09-30 2023-12-19 包头市固阳县矿德源矿业有限责任公司 Multistage vibrating screen capable of enlarging screening area
CN109577850A (en) * 2018-12-10 2019-04-05 长沙中联消防机械有限公司 For being aligned the method for ladder, the system for being aligned ladder and fire fighting truck
CN109577850B (en) * 2018-12-10 2020-09-01 长沙中联消防机械有限公司 Method for aligning ladder frames, system for aligning ladder frames and fire fighting truck
CN109464769A (en) * 2018-12-27 2019-03-15 徐工消防安全装备有限公司 Ladder component and fire fighting truck
CN109464769B (en) * 2018-12-27 2024-01-09 徐工消防安全装备有限公司 Cat ladder subassembly and fire engine
CN114506801A (en) * 2022-02-16 2022-05-17 嘉兴优创园林工程有限公司 Street lamp overhauls automatic lifting device for municipal works

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