CN109231090A - A kind of movable type wall construction platform - Google Patents
A kind of movable type wall construction platform Download PDFInfo
- Publication number
- CN109231090A CN109231090A CN201811118663.8A CN201811118663A CN109231090A CN 109231090 A CN109231090 A CN 109231090A CN 201811118663 A CN201811118663 A CN 201811118663A CN 109231090 A CN109231090 A CN 109231090A
- Authority
- CN
- China
- Prior art keywords
- tower body
- body ontology
- ontology
- wall construction
- lifting arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/30—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of telescopic elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The present invention relates to a kind of mobile wall construction platforms, comprising: car body；The first end of tower body ontology, tower body ontology is mounted on the chassis of car body, and under unused state, tower body ontology folding shrinking is in the range of car body；In a state of use, tower body ontology is launched into the linear tower body ontology perpendicular to car body；Lifting arm is slidably arranged on tower body ontology；Lift drive mechanism is mounted on the second end of tower body ontology and connect with lifting arm, for driving lifting arm along the tower body ontology oscilaltion of expansion；Workbench is mounted on lifting arm, for accommodating construction personnel and tool.Operation of the present invention is convenient and safety coefficient is high, solves the safety problem of skyscraper processing exterior wall, practicability with higher and promotional value.
Description
Technical field
The present invention relates to a kind of operation platform more particularly to a kind of mobile wall construction platforms.
Background technique
Currently, manually being completed substantially when skyscraper handles exterior wall.But since no suitably construction is set
It is standby, it is typically only capable to use wirerope and hanging basket, it is not only inconvenient for operation, but also be affected by factors such as wind-force, risk is higher,
In the presence of the hidden danger that safety accident occurs.It would therefore be highly desirable to design a kind of easy to operate and highly-safe construction equipment.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of easy to operate and highly-safe mobile wall constructions
Platform.
A kind of movable type wall construction platform, comprising: car body；The first end of tower body ontology, the tower body ontology is mounted on
On the chassis of the car body, under unused state, the tower body ontology folding shrinking is in the range of the car body；It is using
Under state, the tower body ontology is launched into the linear tower body ontology perpendicular to car body；Lifting arm is slidably arranged in the tower body
On ontology；Lift drive mechanism is mounted on the second end of the tower body ontology and connect with the lifting arm, described for driving
The tower body ontology oscilaltion of the lifting arm along expansion；Workbench is mounted on the lifting arm, for accommodating constructor
Member and tool.
The mobile wall construction platform, it is preferred that the tower body ontology mainly passes through shaft phase by least two sections
Hinged tower body composition, wherein being located at the chassis that the nethermost tower body bottom is mounted on the car body by rotating base
On, it is provided with hydraulic supporting device on every section of tower body, for driving each section of tower body expansion or folding.
The mobile wall construction platform, it is preferred that further include hydraulic support device, be mounted on the bottom of the car body
Disk lower part, for the car body in steady operation；Hydraulic system is mounted on the chassis upper of the car body, the hydraulic pressure system
System is separately connected the hydraulic supporting device and hydraulic support device.
The mobile wall construction platform, it is preferred that the lifting arm includes: multistage retractable rod, is slidably arranged in
On the tower body ontology；Servo motor is mounted on the multistage retractable rod free end and is located at the side of the tower body ontology, institute
It states servo motor and is connected by abutted flange with the workbench, so that the workbench can in the horizontal direction freely
Rotation；Clump weight is mounted on the non-free end of the multistage retractable rod and is located at the other side of the tower body ontology.
The mobile wall construction platform, it is preferred that the multistage retractable rod and the tower body ontology pass through joggle
Mode connect.
The mobile wall construction platform, it is preferred that stop block is provided in the multistage retractable rod, on the tower body
It is correspondingly arranged on the groove combined closely with the stop block, the stop block can freely up and down be moved along the groove, and the tower
After the expansion of body ontology is in line, the groove on each section of tower body is completely coincident.
The mobile wall construction platform, it is preferred that the lift drive mechanism includes: hoist engine, and installation is in place
At the top of the uppermost tower body；Wirerope, the first end of the wirerope are fixed on the hoist engine, the wirerope
Second end have fixed hook；There is lifting lug, the fixed hook can be hooked on the multistage and stretch on the multistage retractable rod
On the lifting lug of contracting bar.
The mobile wall construction platform, it is preferred that the workbench includes: hanging basket, and the hanging basket is rectangle
Cabinet, the side of the hanging basket form the working face of opening；Console is arranged in the hanging basket, for controlling the multistage
The start and stop of flexible, the described servo motor of telescopic rod, the positive and negative rotation of the flexible and described hoist engine of the hydraulic supporting device；
Guardrail is mounted on the working face of the hanging basket；The top of the hanging basket is arranged in attachment base, is used for and the abutted flange
Connection.
The mobile wall construction platform, under unused state, the hydraulic system, lifting arm and tower body ontology
Chassis the same side of the car body is integrated, the hanging basket is placed on the chassis other side of the car body, except nethermost described
Outside tower body, remaining tower body is folded in the top of the hydraulic system, and the lifting arm is located at the nethermost tower body
Above and also in the top of the hydraulic system.
The invention adopts the above technical scheme, which has the following advantages: 1, the present invention uses motorization scheme, reaches
After specified station, Automatic-expanding is automatic to recycle.2, the present invention is not affected by the wind, and not only safety coefficient is high, and working face is big,
Loading capacity is big, does not need work and operates repeatedly.3, the present invention reaches construction site, and connection is primary, since itself compares lightweight,
Therefore frame body intensity requirement is not high, removes when without moving station.4, the present invention can also do temporary elevator use.In summary,
Operation of the present invention is convenient and safety coefficient is high, solves the safety problem of skyscraper processing exterior wall, practicability with higher
And promotional value.
Detailed description of the invention
Fig. 1 is schematic diagram of the present invention under unused state；
Fig. 2 is the schematic diagram of the present invention in a state of use；
Fig. 3 is the partial enlarged view of lifting arm of the present invention；
Fig. 4 is the connection schematic diagram of lifting arm of the present invention and tower body ontology；
Fig. 5 is the structural schematic diagram of lift drive mechanism of the present invention；
Fig. 6 is the structural schematic diagram of workbench of the present invention.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, it is of the invention to be clearer to understand
Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and only it is
Illustrate the connotation of technical solution of the present invention.
As depicted in figs. 1 and 2, mobile wall construction platform provided in an embodiment of the present invention, comprising: car body 100；Tower body
Ontology 4, the first end of tower body ontology 4 are mounted on the chassis of car body 100, under unused state, 4 folding shrinking of tower body ontology
In the range of car body 100；In a state of use, tower body ontology 4 is launched into the linear tower body ontology 4 perpendicular to car body 100；
Lifting arm 3 is slidably arranged on tower body ontology 4；Lift drive mechanism 5 is mounted on the second end of tower body ontology 4 and and lifting arm
3 connections, for driving tower body ontology 4 oscilaltion of the lifting arm 3 along expansion；Workbench 2 is mounted on lifting arm 3, is used for
Accommodate construction personnel and tool.
In the above-described embodiments, it is preferred that tower body ontology 4 is mainly by least two sections 42 groups of tower body to be hinged by shaft
At wherein being mounted on the chassis of car body 100 positioned at nethermost 42 bottom of tower body by rotating base 45, in every section of tower body 42
On be provided with hydraulic supporting device 44, for driving the expansion of each section of tower body 42 or folding.
In the above-described embodiments, it is preferred that further include hydraulic support device 200, is mounted on the chassis lower part of car body 100,
For the car body 100 in steady operation；Hydraulic system 1, is mounted on the chassis upper of car body 100, and hydraulic system 1 is separately connected liquid
Bear down on one support arrangement 44 and hydraulic support device 200.
In the above-described embodiments, it is preferred that as shown in Figure 2 and Figure 3, lifting arm 3 includes: multistage retractable rod 31, sliding setting
On tower body ontology 4；Servo motor 32 is mounted on the free end of multistage retractable rod 31 and is located at the side of tower body ontology 4, servo
Motor 32 is connected by abutted flange 33 with workbench 2, so that workbench 2 can be freely rotated in the horizontal direction；Match
Pouring weight 34 is mounted on the non-free end of multistage retractable rod 31 and is located at the other side of tower body ontology 4.
In the above-described embodiments, it is preferred that multistage retractable rod 31 is connect by way of joggle with tower body ontology 4.
In the above-described embodiments, it is preferred that as shown in figure 4, stop block 37 is provided in multistage retractable rod 31, it is right on tower body 42
It should be provided with the groove 36 combined closely with stop block 37, stop block 37 can freely up and down be moved along groove 36, and tower body ontology 4 is unfolded
After being in line, the groove 36 on each section of tower body 42 is completely coincident, to not influence passing freely through for multistage retractable rod 31.
In the above-described embodiments, it is preferred that as shown in Fig. 2, Fig. 5, lift drive mechanism 5 includes: hoist engine 51, is mounted on
Positioned at uppermost 42 top of tower body；Wirerope 52, the first end of wirerope 52 are fixed on hoist engine 51, and the of wirerope 52
Two ends have fixed hook；There is lifting lug, fixed hook can be hooked on the lifting lug of multistage retractable rod 31 on multistage retractable rod 31.
In the above-described embodiments, it is preferred that as shown in fig. 6, workbench 2 includes: hanging basket 21, hanging basket 21 is rectangular box
Body, the side of hanging basket 21 form the working face of opening；Console 22 is arranged in hanging basket 21, for controlling multistage retractable rod 31
Flexible, the start and stop of servo motor 32, flexible and hoist engine 51 the positive and negative rotation of hydraulic supporting device 44；Guardrail 23, installation
On the working face of hanging basket 21；The top of hanging basket 21 is arranged in attachment base 24, for connecting with abutted flange 33.
In the above-described embodiments, it is preferred that as shown in Figure 1, under unused state, hydraulic system 1, lifting arm 3 and tower
Chassis the same side of the integrated car body 100 of body ontology 4, hanging basket 21 are placed on the chassis other side of car body 100, remove nethermost tower
Outside body 42, remaining tower body 42 is folded in the top of hydraulic system 1, and lifting arm 3 is located on nethermost tower body 42 and also in liquid
The top of pressure system 1.
At work, the use process is as follows for movable type wall construction platform provided in an embodiment of the present invention:
1) after mobile wall construction platform is in place, keep not answering with wall spacing it is 10 meters big, hydraulic support device 200 from
The chassis of car body 100 is propped in dynamic expansion；
2) start hydraulic supporting device 44, each section of tower body 42 of folding is slowly holded up, is fully deployed in vertical tower body
Ontology 4；
3) start hoist engine 51, wirerope 52 is fallen near the lifting lug of multistage retractable rod 31, it manually will be on wirerope 52
Fixed hook be hooked on the lifting lug of multistage retractable rod 31；
4) hoist engine 51 pulls multistage retractable rod 31 to rise a distance, omits the abutted flange 33 on multistage retractable rod 31
Higher than hanging basket 21, rotating base 45 is rotated to 21 side of hanging basket, and the attachment base 24 on abutted flange 33 and hanging basket 21 is manual
Connection；Control hoist engine 51 continues to lift up multistage retractable rod 31, so that hydraulic system 1 is crossed in 21 bottom of hanging basket, completes beam worker
Make；
5) start servo motor 33, make the working face of hanging basket 21 substantially with wall keeping parallelism, control multistage retractable rod 31
Hanging basket 21 is pushed into suitable working position, hanging basket 21 is 150-300mm at a distance from wall, micro- according to the actual situation can set hanging basket
21 with the angle of metope；
6) after a working face to be done, hanging basket 21 can be kept mobile by rotation rotating base 45 and servo motor 33
To the working face of left or right side, also adjustable hoist engine 51, the working face above or below.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied, all equivalents and improvement carried out based on the technical solution of the present invention should not exclude
Except protection scope of the present invention.
Claims (9)
1. a kind of movable type wall construction platform characterized by comprising
Car body (100)；
The first end of tower body ontology (4), the tower body ontology (4) is mounted on the chassis of the car body (100), in unused shape
Under state, tower body ontology (4) folding shrinking is in the range of the car body (100)；In a state of use, the tower body ontology
(4) it is launched into the linear tower body ontology (4) perpendicular to car body (100)；
Lifting arm (3) is slidably arranged on the tower body ontology (4)；
Lift drive mechanism (5) is mounted on the second end of the tower body ontology (4) and connect with the lifting arm (3), for driving
The lifting arm (3) are moved along tower body ontology (4) oscilaltion of expansion；
Workbench (2) is mounted on the lifting arm (3), for accommodating construction personnel and tool.
2. movable type wall construction platform according to claim 1, which is characterized in that the tower body ontology (4) mainly by
At least two sections tower body (42) compositions being hinged by shaft, wherein being located at nethermost tower body (42) bottom passes through rotation
Pedestal (45) is mounted on the chassis of the car body (100), is provided with hydraulic supporting device on every section of tower body (42)
(44), for driving each section of tower body (42) expansion or folding.
3. movable type wall construction platform according to claim 2, which is characterized in that further include hydraulic support device
(200), it is mounted on the chassis lower part of the car body (100), for the car body (100) in steady operation；Hydraulic system
(1), it is mounted on the chassis upper of the car body (100), the hydraulic system (1) is separately connected the hydraulic supporting device (44)
With hydraulic support device (200).
4. movable type wall construction platform according to claim 3, which is characterized in that the lifting arm (3) includes:
Multistage retractable rod (31) is slidably arranged on the tower body ontology (4)；
Servo motor (32) is mounted on the free end of the multistage retractable rod (31) and is located at the side of the tower body ontology (4),
The servo motor (32) is connected by abutted flange (33) with the workbench (2), so that the workbench (2) can
It is freely rotated in the horizontal direction；
Clump weight (34) is mounted on the non-free end of the multistage retractable rod (31) and is located at the another of the tower body ontology (4)
Side.
5. movable type wall construction platform according to claim 4, which is characterized in that the multistage retractable rod (31) and institute
Tower body ontology (4) is stated to connect by way of joggle.
6. movable type wall construction platform according to claim 4, which is characterized in that set in the multistage retractable rod (31)
It is equipped with stop block (37), the groove (36) combined closely with the stop block (37), the resistance is correspondingly arranged on the tower body (42)
After block (37) can freely up and down be moved along the groove (36), and the tower body ontology (4) expansion is in line, each section of tower body
(42) groove (36) on is completely coincident.
7. movable type wall construction platform according to claim 4, which is characterized in that lift drive mechanism (5) packet
It includes:
Hoist engine (51) is mounted at the top of the uppermost tower body (42)；
The first end of wirerope (52), the wirerope (52) is fixed on the hoist engine (51), the wirerope (52)
Second end has fixed hook；
There is lifting lug, the fixed hook can be hooked on the lifting lug of the multistage retractable rod (31) on the multistage retractable rod (31)
On.
8. movable type wall construction platform according to claim 7, which is characterized in that the workbench (2) includes:
Hanging basket (21), the hanging basket (21) are rectangular box, and the side of the hanging basket (21) forms the working face of opening；
Console (22), setting is in the hanging basket (21), for controlling flexible, the described servo of the multistage retractable rod (31)
The start and stop of motor (32), the hydraulic supporting device (44) flexible and described hoist engine (51) positive and negative rotation；
Guardrail (23), is mounted on the working face of the hanging basket (21)；
Attachment base (24), setting is at the top of the hanging basket (21), for connecting with the abutted flange (33).
9. movable type wall construction platform according to claim 8, which is characterized in that under unused state, the liquid
Pressure system (1), lifting arm (3) and tower body ontology (4) integrate chassis the same side of the car body (100), the hanging basket (21)
It is placed on the chassis other side of the car body (100), in addition to the nethermost tower body (42), remaining described tower body (42) is rolled over
It is stacked in the top of the hydraulic system (1), the lifting arm (3) is located on the nethermost tower body (42) and also in the liquid
The top of pressure system (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811118663.8A CN109231090A (en) | 2018-09-26 | 2018-09-26 | A kind of movable type wall construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811118663.8A CN109231090A (en) | 2018-09-26 | 2018-09-26 | A kind of movable type wall construction platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109231090A true CN109231090A (en) | 2019-01-18 |
Family
ID=65056639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811118663.8A Pending CN109231090A (en) | 2018-09-26 | 2018-09-26 | A kind of movable type wall construction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109231090A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697593A (en) * | 2019-10-18 | 2020-01-17 | 徐州市凯诺机械有限公司 | Elevator for building site |
| CN111483954A (en) * | 2020-04-17 | 2020-08-04 | 宋伟友 | Hanging basket for construction machinery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046883U (en) * | 1989-03-29 | 1989-11-01 | 建设部长沙建筑机械研究所 | Elevating table with rapid erecting and integral hauling |
| CN202415019U (en) * | 2012-01-01 | 2012-09-05 | 济宁四通工程机械有限公司 | Rapidly erected tire type crane |
| CN203474321U (en) * | 2013-09-29 | 2014-03-12 | 国家电网公司 | Tower crane used for constructing and erecting electric transmission line iron towers |
| CN204400570U (en) * | 2015-01-09 | 2015-06-17 | 济宁四通工程机械有限公司 | A kind of high-altitude operation platform |
| CN106219420A (en) * | 2016-07-06 | 2016-12-14 | 徐州市久发工程机械有限责任公司 | A kind of fast erecting traveling tower crane |
-
2018
- 2018-09-26 CN CN201811118663.8A patent/CN109231090A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046883U (en) * | 1989-03-29 | 1989-11-01 | 建设部长沙建筑机械研究所 | Elevating table with rapid erecting and integral hauling |
| CN202415019U (en) * | 2012-01-01 | 2012-09-05 | 济宁四通工程机械有限公司 | Rapidly erected tire type crane |
| CN203474321U (en) * | 2013-09-29 | 2014-03-12 | 国家电网公司 | Tower crane used for constructing and erecting electric transmission line iron towers |
| CN204400570U (en) * | 2015-01-09 | 2015-06-17 | 济宁四通工程机械有限公司 | A kind of high-altitude operation platform |
| CN106219420A (en) * | 2016-07-06 | 2016-12-14 | 徐州市久发工程机械有限责任公司 | A kind of fast erecting traveling tower crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697593A (en) * | 2019-10-18 | 2020-01-17 | 徐州市凯诺机械有限公司 | Elevator for building site |
| CN111483954A (en) * | 2020-04-17 | 2020-08-04 | 宋伟友 | Hanging basket for construction machinery |
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