CN103318774B - Self-assembly/self-disassembly hoisting device, crane and self-assembly/self-disassembly method of hoister - Google Patents
Self-assembly/self-disassembly hoisting device, crane and self-assembly/self-disassembly method of hoister Download PDFInfo
- Publication number
- CN103318774B CN103318774B CN201310218974.2A CN201310218974A CN103318774B CN 103318774 B CN103318774 B CN 103318774B CN 201310218974 A CN201310218974 A CN 201310218974A CN 103318774 B CN103318774 B CN 103318774B
- Authority
- CN
- China
- Prior art keywords
- elevator
- self
- disassembly
- assembly
- crane
- 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.)
- Active
Links
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a self-assembly/self-disassembly hoisting device, a crane and a self-assembly/self-disassembly method of a hoister. The self-assembly/self-disassembly hoisting device includes a hinge-pin coupling mechanism, a pulley mechanism, and an auxiliary suspension cable; the hinge-pin coupling mechanism is used for connecting a hoisting case and a rotary table of a crane in a detachable way; the pulley mechanism is mounted on the rotary table body of the crane; and the auxiliary suspension cable includes a first end and a second end, the first end is connected with a crane arm, and the second end is used for connecting with a hoister via the pulley mechanism, when the hoister is mounted. The self-assembly/self-disassembly hoisting device, the crane and the self-assembly/self-disassembly method of a hoister provided by the invention overcomes a driving problem caused by overweight of cranes, prevents from added cost caused by employing auxiliary hoisting mechanisms.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of elevator self-disassembly and assembly device and hoisting crane, elevator are from assembly and disassembly methods.
Background technology
Hoisting crane is divided into medium and small tonnage hoisting crane and hoister in large tonnage.Generally speaking, medium and small tonnage hoisting crane is generally no more than 200 tonnes, and hoister in large tonnage is generally more than 300 tonnes.
The master winch mechanism of medium and small tonnage hoisting crane is generally not removable, and master winch case and rotating platform of crane are welded to connect, and like this, when car load travels, weight may be overweight, and this will cause client to register the license or be imposed a fine serious because travelling overweight.Further, overweight also exist the problems such as potential safety hazard.
Hoister in large tonnage, due to heavier-weight, is not generally with master winch to travel, to meet highway code driving requirements, the mode split taked by master winch mechanism and turntable, needs hoisting aids equipment to lift, therefore during operation, a direct consequence is that operating cost is higher.
Summary of the invention
In view of this, the present invention proposes a kind of elevator self-disassembly and assembly device and hoisting crane, elevator from assembly and disassembly methods, with solve medium and small tonnage hoisting crane and hoister in large tonnage due to weight issue cause cannot register the license, overweight fine or adopt auxiliary lifting to increase the problem of operating cost.
First aspect, the invention discloses a kind of elevator self-disassembly and assembly device, for hoisting crane, comprising: pinned connection mechanism, pulley mechanism and assisted suspension cable.Wherein, pinned connection mechanism is connected with elevator, for being removably connected by the turntable of described elevator and hoisting crane; Pulley mechanism is connected to the turntable of described hoisting crane; Assisted suspension cable comprises first end and the second end, and described first end is connected with crane arm; Described second end is used for, when installing described elevator, being connected with described elevator by described pulley mechanism.
Further, in described elevator self-disassembly and assembly device, described crane arm is main crane arm; Described elevator is master winch.
Further, in described elevator self-disassembly and assembly device, described pulley mechanism is foldable mechanism, and after described elevator completes installation, this pulley mechanism is fixed on described turntable collapsibly.
Further, in described elevator self-disassembly and assembly device, described pulley mechanism comprises pulley yoke and fixed pulley; Described pulley yoke comprises first connecting rod and second connecting rod; Described first connecting rod comprises the first coupling end, the second coupling end that are arranged at its two ends, and, be arranged at the 3rd coupling end between described first coupling end and described second coupling end; Described first coupling end and described fixed pulley hinged; Described second coupling end and described turntable are hinged; Described second connecting rod comprises the 4th coupling end and the 5th coupling end that are arranged at its two ends; Described 4th coupling end and described 3rd coupling end are hinged; Described 5th coupling end and described turntable are hinged.
Elevator self-disassembly and assembly device of the present invention can change fixation winding structure into dismantled and assembled connection structure, make full use of crane boom at the power stretched and provide in amplitude changing process, do not need extra hoisting aids equipment elevator can be moved on turntable, then by pinned connection mechanism, elevator is removably connected to turntable.And then during transport, split is transported, can not be overweight, solve medium and small tonnage hoisting crane and hoister in large tonnage due to weight issue cause cannot register the license, overweight fine or adopt auxiliary lifting to increase the problem of operating cost.
Second aspect, present invention also offers a kind of hoisting crane, is provided with above-mentioned any one elevator from mechanism for assembling-disassembling.
Because hoisting crane of the present invention comprises above-mentioned elevator self-disassembly and assembly device, therefore, the hoisting crane with above-mentioned elevator self-disassembly and assembly device also has above-mentioned technique effect.
The third aspect, the invention also discloses a kind of elevator of above-mentioned elevator self-disassembly and assembly device that adopts from assembly and disassembly methods, and described elevator is installed and comprised the steps: to control described crane arm, described elevator is moved to the desired location of crane chassis; Control crane arm luffing, be pulled through the assisted suspension cable of described pulley mechanism; Or, control the flexible of crane arm, be pulled through described pulley mechanism and lengthen steel rope; Control the folding and unfolding of described assisted suspension cable or lengthening steel rope, described elevator is promoted to the installation site of described turntable from described crane chassis; In described installation site, by described pinned connection mechanism, described elevator and described turntable are removably connected.
Further, above-mentioned elevator is in assembly and disassembly methods, and described elevator dismounting comprises the steps: the connection location at described elevator and turntable, by described pinned connection mechanism, is dismantled by described elevator be separated with described turntable; Control described crane arm, by the luffing or flexible of described crane arm, described elevator is hung.
Further, above-mentioned elevator in assembly and disassembly methods, by the luffing of main crane arm or the flexible operation carrying out the Assembly &Disassembly of elevator.
Further, above-mentioned elevator is in assembly and disassembly methods, and described pulley mechanism is foldable mechanism, and described elevator also comprises the steps: after described elevator completes installation or removal from assembly and disassembly methods, is folded by described pulley mechanism and is fixed on described turntable.
Further, above-mentioned elevator in assembly and disassembly methods, utilize main crane arm luffing carry out elevator install time, also comprise adjust described main crane arm the elevation angle to the step of maximum angle.
Elevator of the present invention can change fixation winding structure into dismantled and assembled connection structure from assembly and disassembly methods, make full use of crane boom at the power stretched and provide in amplitude changing process, do not need extra hoisting aids equipment elevator can be moved on turntable, then by pinned connection mechanism, elevator is removably connected to turntable.And then during transport, split is transported, can not be overweight, solve medium and small tonnage hoisting crane and hoister in large tonnage due to weight issue cause cannot register the license, overweight fine or adopt auxiliary lifting to increase the problem of operating cost.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is that elevator self-disassembly and assembly device embodiment of the present invention carries out the first working state schematic representation when elevator lifts based on the power that crane arm luffing produces;
Fig. 2 is that elevator self-disassembly and assembly device embodiment of the present invention carries out the second working state schematic representation when elevator lifts based on the power that crane arm luffing produces;
Fig. 3 is that elevator self-disassembly and assembly device embodiment of the present invention carries out the principle of work schematic diagram based on state variation when elevator lifts based on the power that crane arm luffing produces; Wherein, dotted line is depicted as the view before elevator lifting, and solid line is depicted as elevator and lifts by crane and view after installing;
Fig. 4 is in elevator self-disassembly and assembly device embodiment of the present invention, the structural representation of folding pulley mechanism;
Fig. 5 is in elevator self-disassembly and assembly device embodiment of the present invention, in folding pulley mechanism, and the structural representation of pulley yoke;
Fig. 6 be elevator self-disassembly and assembly device embodiment of the present invention based on crane arm stretch the power that produces carry out elevator lifting time principle of work schematic diagram.
Description of reference numerals
1 crane arm
2 turntables
3 chassis
4 elevators
5 lifting steel ropes
6 pulley mechanisms
61 fixed pulleys
62 first connecting rods
621 first coupling ends
622 second coupling ends
623 the 3rd coupling ends
63 second connecting rods
631 the 4th coupling ends
632 the 5th coupling ends
7 assisted suspension cable
8 lengthen steel rope
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
In the present invention, by the luffing of crane boom or the flexible power produced, complete removably connecting of elevator and turntable, significantly reduce car load road weight, make it the requirement meeting related roads regulation, and, without the need to increasing external power supply.Known by those skilled in the art, luffing operation refers to, hoisting crane changes operation amplitude by the elevation angle changing jib.Scaling operation refers to that the length by changing jib changes operation amplitude.At present, do not utilized fully by the luffing of crane arm or the flexible power produced that causes.
Referring to figs. 1 through Fig. 5, elevator self-disassembly and assembly device of the present invention and elevator are described in detail from assembly and disassembly methods.
Referring to figs. 1 through Fig. 2.The present embodiment elevator self-disassembly and assembly device is used for hoisting crane, comprises pinned connection mechanism, pulley mechanism 6 and assisted suspension cable 7.Wherein, pinned connection mechanism is connected with elevator 4, for being removably connected by the turntable 2 of elevator 4 with hoisting crane; Pulley mechanism 6 is connected to the turntable 2 of hoisting crane; Assisted suspension cable 7 comprises first end and the second end, and first end is connected with crane arm 1; Second end is used for, when installing elevator 4, being connected with elevator by pulley mechanism 6.Specifically, hoisting crane is connected with elevator 4 by pulley mechanism by assisted suspension cable 7 after elevator 4 being lifted into relevant position, chassis 3 by lifting steel rope 5.
With reference to Fig. 3, this elevator self-disassembly and assembly device operationally, when mounted, can comprise the steps:
Elevator 4 is moved to the desired location of crane chassis 3 by step 1, control crane arm 1;
The distance that step 2, control crane arm 1 luffing produce, is pulled through the assisted suspension cable 7 of pulley mechanism 6;
Elevator 4 is promoted to the installation site of turntable 2 by step 3, control assisted suspension cable 7 from crane chassis 3 by pulley mechanism 6;
Step 4, in installation site, by pinned connection mechanism, elevator 4 and turntable to be removably connected.
In other words, when carrying out lifting operation, first by correspondence position in elevator 4 handling to chassis 3 (such as, being completed the handling of elevator 4 by lifting steel rope 5), then crane arm 1 being faced upward to maximum angle, being connected master winch 4 with pulley mechanism 6 with assisted suspension cable 7.Finally, crane arm 1 carries out falling width by maximum elevation, and elevator 4 is progressively sling to turntable 2 installation site by assisted suspension cable 7, completes master winch lifting with pinned connection mechanism.
When elevator is dismantled, can comprise the steps:
At described elevator 4 and the connection location of turntable 2, by described pinned connection mechanism, described elevator 4 is dismantled with described turntable 2 and is separated; Control described crane arm 1, by the luffing or flexible of described crane arm 1, described elevator 4 is hung.
In the present embodiment, the crane arm 1 of hoisting crane is preferably the main crane arm of hoisting crane, and elevator 4 can be master winch.
As can be seen from foregoing description, embodiments of the invention tool has the following advantages:
1), adopt elevator and turntable dismounting mode, can significantly reduce car load road weight, make it the requirement meeting related roads regulation;
2) elevator adopts from dismounting mode, easy to operate, reliably, does not need auxiliary lifting equipment, and the operating cost such as use manpower and material resources sparingly;
3) adopt hoisting crane self luffing to drive rope to promote master winch, avoid and use additional power equipment, provide cost savings.
Further preferably, above-mentioned pulley mechanism 6 is foldable mechanism, and after elevator 4 completes installation, this pulley mechanism is connected to turntable 2 collapsibly.Certainly, also can after completion of installation, pulley mechanism be dismantled
With reference to Fig. 4 and Fig. 5, pulley mechanism 6 comprises pulley yoke and fixed pulley 61; Pulley yoke comprises first connecting rod 62 and second connecting rod 63; First connecting rod 62 comprises the first coupling end 621, second coupling end 622 being arranged at its two ends, and, be arranged at the 3rd coupling end 623 between the first coupling end 621 and the second coupling end 622; First coupling end 621 is hinged with fixed pulley 61; Second coupling end 622 is hinged with turntable 2; Second connecting rod 63 comprises the 4th coupling end 631 and the 5th coupling end 632 that are arranged at its two ends; 4th coupling end 631 and the 3rd coupling end 623 are hinged; 5th coupling end 632 is hinged with turntable 2.
With reference to Fig. 6, Fig. 6 be elevator self-disassembly and assembly device embodiment of the present invention based on crane arm stretch the power that produces carry out elevator lifting time principle of work schematic diagram.The power produced by scaling operation carries out elevator lifting, when practical operation, also can, according to actual condition, adopt lengthening steel rope 8 to replace assisted suspension cable 7.Wherein, A is the position of elevator before lifting.Other parts in figure are all the view after lifting.
This elevator self-disassembly and assembly device operationally, can comprise the steps:
Step 1, control crane arm 1 are by moving to the desired location (such as, being completed the handling of elevator 4 by lifting steel rope 5) of crane chassis 3 by elevator 4;
Step 2, the flexible distance produced of control crane arm 1, be pulled through the lengthening steel rope 8 of pulley mechanism 6, elevator 4 be promoted to the installation site of turntable 2 from crane chassis 3;
Step 3, in installation site, by pinned connection mechanism, elevator 4 and turntable to be removably connected.
Another embodiment of the present invention tool has the following advantages:
1), adopt elevator and turntable dismounting mode, can significantly reduce car load road weight, make it the requirement meeting related roads regulation;
2) elevator adopts from dismounting mode, easy to operate, reliably, does not need auxiliary lifting equipment, and the operating cost such as use manpower and material resources sparingly;
3) adopt hoisting crane self telescopic band running rope rope to promote master winch, avoid and use additional power equipment, provide cost savings.
On the other hand, the invention also discloses a kind of hoisting crane, this hoisting crane is provided with above-mentioned elevator self-disassembly and assembly device.Because hoisting crane of the present invention comprises above-mentioned elevator self-disassembly and assembly device, therefore, the hoisting crane with above-mentioned elevator self-disassembly and assembly device also has above-mentioned technique effect.The present invention does not repeat them here.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an elevator self-disassembly and assembly device, for hoisting crane, is characterized in that, comprising:
Pinned connection mechanism, is connected with elevator (4), for being removably connected by the turntable (2) of described elevator (4) with hoisting crane;
Pulley mechanism (6), is connected to the turntable (2) of described hoisting crane;
Assisted suspension cable (7), comprises first end and the second end, and described first end is connected with crane arm (1); Described second end is used for, when installing described elevator (4), being connected with described elevator by described pulley mechanism (6).
2. elevator self-disassembly and assembly device according to claim 1, is characterized in that,
Described crane arm (1) is main crane arm;
Described elevator (4) is master winch.
3. elevator self-disassembly and assembly device according to claim 2, is characterized in that,
Described pulley mechanism (6) is foldable mechanism, and this pulley mechanism is fixed on described turntable (2) collapsibly.
4. elevator self-disassembly and assembly device according to claim 3, is characterized in that,
Described pulley mechanism (6) comprises pulley yoke and fixed pulley (61);
Described pulley yoke comprises first connecting rod (62) and second connecting rod (63);
Described first connecting rod (62) comprises the first coupling end (621), the second coupling end (622) that are arranged at its two ends, and, be arranged at the 3rd coupling end (623) between described first coupling end (621) and described second coupling end (622);
Described first coupling end (621) is hinged with described fixed pulley (61);
Described second coupling end (622) and described turntable (2) are hinged;
Described second connecting rod (63) comprises the 4th coupling end (631) and the 5th coupling end (632) that are arranged at its two ends;
Described 4th coupling end (631) and described 3rd coupling end (623) are hinged;
Described 5th coupling end (632) and described turntable (2) are hinged.
5. a hoisting crane, is characterized in that, is provided with the elevator self-disassembly and assembly device according to any one of Claims 1-4.
6. adopt the elevator of elevator self-disassembly and assembly device described in claim 1 from an assembly and disassembly methods, it is characterized in that,
Described elevator is installed and is comprised the steps:
Control described crane arm (1), described elevator (4) is moved to the desired location of crane chassis (3);
Control crane arm (1) luffing, be pulled through the assisted suspension cable (7) of described pulley mechanism (6); Or, control the flexible of crane arm (1), be pulled through described pulley mechanism (6) and lengthen steel rope (8);
Control the folding and unfolding of described assisted suspension cable (7) or lengthening steel rope (8), described elevator (4) is promoted to the installation site of described turntable (2) from described crane chassis (3);
In described installation site, by described pinned connection mechanism, described elevator (4) and described turntable (2) are removably connected.
7. according to elevator according to claim 6 from assembly and disassembly methods, it is characterized in that,
Described elevator dismounting comprises the steps:
At the connection location of described elevator (4) with turntable (2), by described pinned connection mechanism, described elevator (4) is dismantled with described turntable (2) and is separated;
Control described crane arm (1), by the luffing or flexible of described crane arm (1), described elevator (4) is hung.
8. according to elevator according to claim 7 from assembly and disassembly methods, it is characterized in that,
By luffing or the flexible operation carrying out the Assembly &Disassembly of elevator of main crane arm.
9. according to elevator according to claim 8 from assembly and disassembly methods, it is characterized in that,
Described pulley mechanism (6) is foldable mechanism, and described elevator also comprises the steps: from assembly and disassembly methods
After described elevator (4) completes installation or removal, described pulley mechanism is folded and is fixed on described turntable.
10. according to elevator according to claim 9 from assembly and disassembly methods, it is characterized in that,
Utilize main crane arm luffing carry out elevator install time, also comprise adjust described main crane arm the elevation angle to the step of maximum angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310218974.2A CN103318774B (en) | 2013-06-04 | 2013-06-04 | Self-assembly/self-disassembly hoisting device, crane and self-assembly/self-disassembly method of hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310218974.2A CN103318774B (en) | 2013-06-04 | 2013-06-04 | Self-assembly/self-disassembly hoisting device, crane and self-assembly/self-disassembly method of hoister |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103318774A CN103318774A (en) | 2013-09-25 |
| CN103318774B true CN103318774B (en) | 2015-05-13 |
Family
ID=49187878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310218974.2A Active CN103318774B (en) | 2013-06-04 | 2013-06-04 | Self-assembly/self-disassembly hoisting device, crane and self-assembly/self-disassembly method of hoister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103318774B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444850A (en) * | 2014-12-11 | 2015-03-25 | 徐州重型机械有限公司 | Wheeled crane and self-detaching and self-mounting method of supporting legs of wheeled crane |
| CN104495637B (en) * | 2014-12-16 | 2016-10-05 | 中联重科股份有限公司 | Crane self-disassembling device, crane and from method for dismounting |
| CN107934806A (en) * | 2017-10-30 | 2018-04-20 | 北京紫竹慧建设服务股份有限公司 | A kind of movable arm type tower crane aids in luffing device |
| CN109335972A (en) * | 2018-12-18 | 2019-02-15 | 浙江三装备有限公司 | Self-loading-unloading device, jack machinism, crane, with re-mounting and method for dismounting |
| CN114044450B (en) * | 2021-11-17 | 2024-01-19 | 郑州新大方重工科技有限公司 | Integral quick-dismantling device and method for arm support system and crane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201301179Y (en) * | 2008-10-23 | 2009-09-02 | 徐州重型机械有限公司 | Crawler crane self-dismounting device |
| CN201309807Y (en) * | 2008-12-12 | 2009-09-16 | 上海三一科技有限公司 | Assembly and disassembly structure for crane main hoist and main platform |
| CN101618837B (en) * | 2009-07-21 | 2011-12-14 | 上海三一科技有限公司 | Installation method and device of caterpillar crane mast |
| CN202175524U (en) * | 2011-07-28 | 2012-03-28 | 徐州重型机械有限公司 | Detachable hoisting device and hoist |
| CN202369291U (en) * | 2011-12-20 | 2012-08-08 | 曹策 | Winch mounting structure of automobile crane |
-
2013
- 2013-06-04 CN CN201310218974.2A patent/CN103318774B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201301179Y (en) * | 2008-10-23 | 2009-09-02 | 徐州重型机械有限公司 | Crawler crane self-dismounting device |
| CN201309807Y (en) * | 2008-12-12 | 2009-09-16 | 上海三一科技有限公司 | Assembly and disassembly structure for crane main hoist and main platform |
| CN101618837B (en) * | 2009-07-21 | 2011-12-14 | 上海三一科技有限公司 | Installation method and device of caterpillar crane mast |
| CN202175524U (en) * | 2011-07-28 | 2012-03-28 | 徐州重型机械有限公司 | Detachable hoisting device and hoist |
| CN202369291U (en) * | 2011-12-20 | 2012-08-08 | 曹策 | Winch mounting structure of automobile crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103318774A (en) | 2013-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103318774B (en) | Self-assembly/self-disassembly hoisting device, crane and self-assembly/self-disassembly method of hoister | |
| CN103626058B (en) | Auxiliary luffing device, hoisting crane and auxiliary luffing method | |
| CN201068369Y (en) | Tyre type full-hydraulic cantilever gantry crane | |
| CN104192725B (en) | Gantry crane | |
| CN203159047U (en) | Hydraulic span and height adjustable gantry crane | |
| CN206088813U (en) | Heavy machinery hoists transfer device | |
| CN204714403U (en) | A kind of extension mast and configure the engineering machinery vehicle of this mast | |
| US10124993B2 (en) | Method for operating a crane and crane | |
| CN206538110U (en) | A kind of portable universal small-sized door type crane gear | |
| CN105569692A (en) | Trolley for welding tunnel waterproof board hanging cloth | |
| CN202658902U (en) | Hoisting and spreading dual-purpose type concrete spreader | |
| CN102826447B (en) | Truss jib crane as well as getting-off structure and position transferring method thereof | |
| CN103420281B (en) | The attaching/detaching apparatus of hoisting crane and accessory structure thereof, method for dismounting and installation method | |
| CN104973517A (en) | Electric gantry platform for installing sintering machine head equipment and application method thereof | |
| CN202449769U (en) | Superlift device for liftable self-propelled crawler and crane | |
| CN104533461B (en) | A kind of tunnel construction trolley horizontal mobile device | |
| CN103253602B (en) | The elevated super lifting device of crawler vehicle voluntarily and hoisting crane | |
| CN104709833B (en) | Novel luffing rib ropewalking crawler crane | |
| CN207748766U (en) | A kind of swing arm extension type gin pole | |
| CN216190455U (en) | Heavy hoisting equipment with trolley for monorail crane | |
| CN206427936U (en) | A kind of heavy crawler formula lifts transporter | |
| CN110304556B (en) | Self-loading and unloading type auxiliary arm mounting mechanism of automobile crane | |
| CN203284080U (en) | Full-hydraulic telescopic suspension-bridge-type crane | |
| CN106429870A (en) | Combined structure movable crane | |
| CN205419582U (en) | Floor hoist |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |