CN113734982A - European style double-beam crane - Google Patents
European style double-beam crane Download PDFInfo
- Publication number
- CN113734982A CN113734982A CN202111039548.3A CN202111039548A CN113734982A CN 113734982 A CN113734982 A CN 113734982A CN 202111039548 A CN202111039548 A CN 202111039548A CN 113734982 A CN113734982 A CN 113734982A
- Authority
- CN
- China
- Prior art keywords
- driving motor
- driving
- european style
- groove
- double
- 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.)
- Granted
Links
- 230000000694 effects Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/04—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports with lifting beams, e.g. slewable beams, carrying load-engaging elements, e.g. magnets, hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a European style double-beam crane, which comprises two supporting frames and two cross beams, wherein the side walls of the two cross beams are respectively provided with a first sliding groove, a first driving motor set is movably arranged between the two first sliding grooves, the lower end surface of the first driving motor set is movably provided with a bearing block, the bearing block is provided with a hooking mechanism for hoisting goods, and the bearing block is provided with an auxiliary supporting mechanism for adjusting the position of the hooking mechanism; according to the invention, through the matching of the supporting arm, the first fixed pulley and the hydraulic push rod, when the telescopic end of the hydraulic push rod extends, the second connecting lug and the sliding block can be pushed to move on the moving groove, so that the supporting arm is outwards unfolded, the distance between the two hoisting cables is increased, a crane can hoist and transfer goods with larger volume, the stability of the goods in the hoisting and transferring process is ensured, and the shaking of the goods in the hoisting process can be further reduced through the two hoisting cables.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to an European style double-beam crane.
Background
The concept of the European crane is formed in the industry in recent years, and the European crane is different from the traditional domestic, Su-type and traditional cranes; the method mainly comprises the following steps: industrial cranes such as bridge cranes, gantry cranes, cantilever cranes, flexible beam cranes and explosion-proof cranes.
The interval between two hoist and mount hawsers can't be adjusted to current european style double-beam crane, makes its unable hoist and mount bulky goods to current european style double-beam crane can not adjust the position of hoist and mount hawser, when the unordered goods is put in the hoist and mount, still needs personnel to adjust the angle of putting of goods.
Disclosure of Invention
The invention solves the problems that:
(1) the existing European style double-beam crane cannot adjust the distance between two hoisting cables, so that the existing European style double-beam crane cannot hoist large-size goods.
(2) The position of hoist and mount hawser can not be adjusted to current european style double-beam crane, when the unordered goods are put in hoist and mount, still needs personnel to adjust the angle of putting of goods.
The invention aims to solve the defects in the prior art and provides an European style double-beam crane.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a european style double-beam crane, includes two support frames and two crossbeams, two first sliding tray has all been seted up on the lateral wall of crossbeam, and the activity is provided with a driving motor group between two first sliding trays, and the lower terminal surface activity of a driving motor group is provided with the carrier block, is equipped with the mechanism of hanging that colludes that is used for hoist and mount goods on the carrier block, is equipped with the auxiliary stay mechanism who is used for the adjustment to collude the mechanism position on the carrier block.
As a further technical scheme, the hooking mechanism comprises a supporting table fixedly connected to the upper end face of the first driving motor set, a double-shaft motor is fixed to the upper end face of the supporting table, winding drums are fixedly sleeved on driving shafts of the double-shaft motor, a hoisting cable is fixed to the inner side wall of each winding drum, and the hoisting cable penetrates through the bearing block.
As a further technical scheme of the invention, the auxiliary supporting mechanism comprises a through groove arranged on one side of the bearing block, two supporting arms are rotatably arranged on the side wall of the through groove, and a first driving component for driving the two supporting arms to rotate is arranged at the bottom of the through groove.
As a further technical scheme of the invention, the side walls of the two supporting arms are respectively provided with a first groove, the first grooves are internally and rotatably provided with a first fixed pulley, the side walls of the two supporting arms are respectively provided with a second groove, and the second grooves are internally and rotatably provided with a second fixed pulley.
As a further technical scheme, the first driving assembly comprises a first connecting lug fixedly connected to the bottom of the through groove, second connecting lugs are movably arranged on the inner side walls of the two supporting arms, and a hydraulic push rod is rotatably arranged between the first connecting lug and the second connecting lug.
As a further technical scheme of the invention, the inner side walls of the two supporting arms are respectively provided with a moving groove, a sliding block is connected in the moving grooves in a sliding manner, and one end of the sliding block, which is far away from the moving grooves, is fixedly connected with the second connecting lug.
As a further technical scheme of the invention, the outer side walls of the first fixed pulley and the second fixed pulley are both connected with the hoisting cable in a sliding manner.
As a further technical scheme of the invention, a rotary circular groove is formed in the upper end face of the bearing block, a connecting cylinder is connected in the rotary circular groove in a sliding mode, the connecting cylinder is fixedly connected with the lower end face of a first driving motor set, and a second driving assembly used for rotating the bearing block is arranged on the first driving motor set.
As a further technical scheme of the present invention, the second driving assembly includes a third groove formed in an upper end surface of the first driving motor set, a driving motor is fixed in the third groove, a coupler is fixed at a bottom of the circular rotating groove, a driving shaft of the driving motor penetrates into the coupler, and a projection for engaging with the coupler is fixed on the driving shaft of the driving motor.
As a further technical scheme of the invention, the upper end surfaces of the two support frames are respectively provided with a second sliding groove, a second driving motor set is movably arranged in each second sliding groove, and the second driving motor sets are fixedly connected with the side wall of the cross beam.
The invention has the beneficial effects that:
1. through the support arm that sets up, first fixed pulley and hydraulic push rod's cooperation, when making hydraulic push rod's flexible end extension, can promote second engaging lug and slider and move on the shifting chute, thereby outwards expand the support arm, increase the interval between two hoist and mount hawsers, make this hoist can hoist and mount the great goods of transfer volume ratio, and guarantee the stability of goods at hoist and mount transfer in-process, and through two hoist and mount hawsers that set up, can further reduce rocking of goods at hoist and mount in-process.
2. Through the cooperation of the rotation circular slot, the connecting cylinder and the shaft coupling that set up, make driving motor's drive shaft when rotating, through the effect of shaft coupling, make the carrier block rotate on the connecting cylinder to the position of two hoist and mount hawsers of adjustment makes this hoist can directly collude and hangs and put unordered goods, need not adjust the gesture of goods before hoist and mount.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the first driving motor set and the supporting platform according to the present invention;
FIG. 3 is a schematic structural diagram of a carrier block according to the present invention;
FIG. 4 is a schematic view of the connection between the support arm and the first connection lug of the present invention;
FIG. 5 is a schematic view of the connection between the first driving motor set and the carrying block according to the present invention;
FIG. 6 is a schematic view of the connection of the connecting cylinder and the bearing block of the present invention;
fig. 7 is a schematic view of the internal structure of the bearing block of the present invention.
In the figure: 1. a support frame; 2. a cross beam; 3. a first drive motor group; 4. a bearing block; 5. a hooking mechanism; 6. an auxiliary support mechanism; 7. a support table; 8. a double-shaft motor; 9. a winding drum; 10. hoisting a mooring rope; 11. a through groove; 12. a support arm; 13. a first fixed pulley; 14. a second fixed pulley; 15. a first connecting lug; 16. a second engaging lug; 17. a hydraulic push rod; 18. a moving groove; 19. rotating the circular groove; 20. a connecting cylinder; 21. a drive motor; 22. a coupling; 23. and the second driving motor group.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-7, an european style double-beam crane comprises two support frames 1 and two cross beams 2, wherein first sliding grooves are formed in the side walls of the two cross beams 2, a first driving motor set 3 is movably arranged between the two first sliding grooves, a plurality of rollers are movably arranged on two sides of the first driving motor set 3, so that the first driving motor set 3 can move left and right on the cross beams 2, and cargoes are hoisted and transferred.
The activity of the lower terminal surface of first driving motor group 3 is provided with carrier block 4, be equipped with on carrier block 4 and be used for the hooking mechanism 5 of hoist and mount goods, hooking mechanism 5 includes supporting bench 7 of fixed connection in first driving motor group 3 up end, the up end of supporting bench 7 is fixed with double-shaft motor 8, it is equipped with winding reel 9 all to fix the cover in double-shaft motor 8's the drive shaft, be fixed with hoist and mount hawser 10 on winding reel 9's the inside wall, hoist and mount hawser 10 runs through carrier block 4, set up the through-hole that cooperation hoist and mount hawser 10 used on the carrier block 4, double-shaft motor 8's drive shaft drives winding reel 9 and rotates, wind hoist hawser 10, thereby hoist the subaerial goods and shift.
Be equipped with on the carrier block 4 and be used for the adjustment to collude auxiliary stay mechanism 6 who hangs 5 positions of mechanism, auxiliary stay mechanism 6 is including seting up at logical groove 11 of carrier block 4 one side, it is provided with two support arms 12 to rotate on the lateral wall that leads to groove 11, first recess has all been seted up on the lateral wall of two support arms 12, first recess internal rotation is provided with first fixed pulley 13, the second recess has all been seted up on the lateral wall of two support arms 12, it is provided with second fixed pulley 14 to all rotate in the second recess, first fixed pulley 13 and second fixed pulley 14's lateral wall all with hoist and mount hawser 10 sliding connection, through first fixed pulley 13 and the second fixed pulley 14 who sets up, reduce the frictional force between hoist and mount hawser 10 and carrier block 4, and when two support arms 12 launch, can outwards prop hoist hawser 10, reduce the frictional force between hoist and mount hawser 10 and support arm 12.
The bottom of the through groove 11 is provided with a first driving component for driving the two supporting arms 12 to rotate, the first driving component comprises a first connecting lug 15 fixedly connected to the bottom of the through groove 11, the inner side walls of the two supporting arms 12 are respectively and movably provided with a second connecting lug 16, the inner side walls of the two supporting arms 12 are respectively provided with a moving groove 18, a sliding block is connected in the moving groove 18 in a sliding way, one end of the sliding block, far away from the moving groove 18, is fixedly connected with the second connecting lug 16, a hydraulic push rod 17 is rotatably arranged between the first connecting lug 15 and the second connecting lug 16, when the telescopic end of the hydraulic push rod 17 extends, the second connecting lug 16 and the sliding block are pushed to move on the moving groove 18, therefore, the supporting arms 12 are unfolded outwards, the distance between the two hoisting cables 10 is increased, the crane can hoist and transfer goods with larger volume, and the stability of the goods in the hoisting and transferring process is ensured.
The upper end surface of the bearing block 4 is provided with a rotary circular groove 19, a connecting cylinder 20 is connected in the rotary circular groove 19 in a sliding manner, the connecting cylinder 20 is fixedly connected with the lower end surface of the first driving motor group 3, the connecting cylinder 20 is used for bearing the bearing block 4, the first driving motor group 3 is provided with a second driving component for rotating the bearing block 4, the second driving component comprises a third groove arranged on the upper end surface of the first driving motor group 3, a driving motor 21 is fixed in the third groove, the driving motor 21 provides power for the rotation of the bearing block 4, the bottom of the rotary circular groove 19 is fixed with a coupler 22, a driving shaft of the driving motor 21 penetrates into the coupler 22, a convex block for clamping the coupler 22 is fixed on the driving shaft of the driving motor 21, when the driving shaft of the driving motor 21 rotates, the coupler 22 is driven to rotate together, because the coupler 22 is fixedly connected with the bottom of the rotary circular groove 19, therefore, the coupler 22 rotates to drive the whole bearing block 4 to rotate, so that the positions of the two hoisting mooring ropes 10 are adjusted, the crane can be directly hooked and placed with disordered goods, and the posture of the goods does not need to be adjusted before hoisting.
The second sliding tray has all been seted up to the up end of two support frames 1, and the equal activity in the second sliding tray is provided with second driving motor group 23, and second driving motor group 23 and crossbeam 2's lateral wall fixed connection, the lower terminal surface activity of second driving motor group 23 are provided with a plurality of wheels that remove, make second driving motor group 23 can be on support frame 1 back-and-forth movement, hoist the goods and shift.
When the invention is used, firstly, the second driving motor group 23 and the first driving motor group 3 work to drive the bearing block 4 to move, so that the bearing block 4 is positioned right above a cargo, then the telescopic end of the hydraulic push rod 17 extends to push the second connecting lug 16 and the sliding block to move on the moving groove 18, so that the supporting arm 12 is unfolded outwards, the distance between the two hoisting cables 10 is increased, the crane can hoist and transfer the cargo with larger volume, and the stability of the cargo in the hoisting and transferring process is ensured, when the cargo is placed in disorder, the driving shaft of the driving motor 21 rotates, the bearing block 4 rotates on the connecting cylinder 20 through the effect of the coupler 22, so that the positions of the two hoisting cables 10 are adjusted, the crane can directly hook and place the disordered cargo without adjusting the posture of the cargo before hoisting, then the driving shaft of the double-shaft motor 8 drives the winding cylinder 9 to rotate in the positive direction, the hoisting mooring rope 10 is released downwards, after the hoisting mooring rope 10 hooks the goods, the driving shaft of the double-shaft motor 8 drives the winding drum 9 to rotate reversely, the hoisting mooring rope 10 is pulled upwards, so that the goods are lifted, and then the second driving motor set 23 and the first driving motor set 3 work to move the goods to the designated position.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a two roof beam hoists of european style, includes two support frames (1) and two crossbeam (2), its characterized in that, two first sliding tray has all been seted up on the lateral wall of crossbeam (2), and the activity is provided with first driving motor group (3) between two first sliding tray, and the lower terminal surface activity of first driving motor group (3) is provided with carrier block (4), is equipped with on carrier block (4) to be used for the hooking mechanism (5) of hoist and mount goods, is equipped with on carrier block (4) to be used for the adjustment to hook auxiliary stay mechanism (6) of hooking mechanism (5) position.
2. A european style double-beam crane according to claim 1, wherein the hooking mechanism (5) includes a supporting base (7) fixedly connected to the upper end surface of the first driving motor set (3), a double-shaft motor (8) is fixed to the upper end surface of the supporting base (7), winding drums (9) are fixedly sleeved on driving shafts of the double-shaft motor (8), hoisting cables (10) are fixed to the inner side walls of the winding drums (9), and the hoisting cables (10) penetrate through the bearing block (4).
3. A european style double-beam crane according to claim 1, wherein the auxiliary support mechanism (6) comprises a through slot (11) opened at one side of the bearing block (4), two support arms (12) are rotatably arranged on the side wall of the through slot (11), and a first driving component for driving the two support arms (12) to rotate is arranged at the bottom of the through slot (11).
4. A european style double-beam crane according to claim 3, wherein the side walls of the two support arms (12) are each formed with a first groove, the first grooves are rotatably provided with a first fixed pulley (13), the side walls of the two support arms (12) are each formed with a second groove, and the second grooves are rotatably provided with a second fixed pulley (14).
5. A european style double-beam crane according to claim 3, wherein the first driving assembly comprises a first connecting lug (15) fixedly connected to the bottom of the through slot (11), the inner side walls of the two supporting arms (12) are movably provided with a second connecting lug (16), and a hydraulic push rod (17) is rotatably arranged between the first connecting lug (15) and the second connecting lug (16).
6. A European style double-beam crane according to claim 5, wherein the inner side walls of the two support arms (12) are provided with moving grooves (18), sliding blocks are slidably connected in the moving grooves (18), and one ends of the sliding blocks far away from the moving grooves (18) are fixedly connected with the second connecting lugs (16).
7. A European style double girder crane according to claim 4, wherein the outer side walls of the first fixed pulley (13) and the second fixed pulley (14) are slidably connected with the hoisting cable (10).
8. A european style double-beam crane according to claim 1, wherein the upper end surface of the bearing block (4) is provided with a rotary circular groove (19), a connecting cylinder (20) is slidably connected in the rotary circular groove (19), the connecting cylinder (20) is fixedly connected with the lower end surface of the first driving motor set (3), and the first driving motor set (3) is provided with a second driving component for rotating the bearing block (4).
9. A european style double-beam crane according to claim 8, wherein the second driving assembly includes a third groove provided on the upper end surface of the first driving motor set (3), a driving motor (21) is fixed in the third groove, a coupling (22) is fixed at the bottom of the rotary circular groove (19), a driving shaft of the driving motor (21) penetrates into the coupling (22), and a projection for engaging with the coupling (22) is fixed on the driving shaft of the driving motor (21).
10. A european style double-beam crane according to claim 1, wherein the upper end surfaces of the two support frames (1) are respectively provided with a second sliding groove, a second driving motor set (23) is movably arranged in each second sliding groove, and the second driving motor set (23) is fixedly connected with the side wall of the cross beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039548.3A CN113734982B (en) | 2021-09-06 | 2021-09-06 | European style double beam crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039548.3A CN113734982B (en) | 2021-09-06 | 2021-09-06 | European style double beam crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113734982A true CN113734982A (en) | 2021-12-03 |
| CN113734982B CN113734982B (en) | 2024-01-02 |
Family
ID=78736100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111039548.3A Active CN113734982B (en) | 2021-09-06 | 2021-09-06 | European style double beam crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113734982B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116715152A (en) * | 2023-08-10 | 2023-09-08 | 河南正大起重设备有限公司 | Novel double-beam bridge crane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0733384A (en) * | 1993-07-22 | 1995-02-03 | Hazama Gumi Ltd | Bridge type crane |
| CN107399676A (en) * | 2017-09-08 | 2017-11-28 | 太原科技大学 | A kind of double girder overhead crane |
| CN207209742U (en) * | 2017-07-31 | 2018-04-10 | 浙江祥康农业发展有限公司 | One kind is used to build hanging apparatus |
| CN207375647U (en) * | 2017-11-08 | 2018-05-18 | 林朝辉 | The loading hanger rope that a kind of freight logistics use |
| CN112110344A (en) * | 2020-09-19 | 2020-12-22 | 湖南省宝满科技开发有限公司 | Energy-saving and environment-friendly bridge crane |
-
2021
- 2021-09-06 CN CN202111039548.3A patent/CN113734982B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0733384A (en) * | 1993-07-22 | 1995-02-03 | Hazama Gumi Ltd | Bridge type crane |
| CN207209742U (en) * | 2017-07-31 | 2018-04-10 | 浙江祥康农业发展有限公司 | One kind is used to build hanging apparatus |
| CN107399676A (en) * | 2017-09-08 | 2017-11-28 | 太原科技大学 | A kind of double girder overhead crane |
| CN207375647U (en) * | 2017-11-08 | 2018-05-18 | 林朝辉 | The loading hanger rope that a kind of freight logistics use |
| CN112110344A (en) * | 2020-09-19 | 2020-12-22 | 湖南省宝满科技开发有限公司 | Energy-saving and environment-friendly bridge crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116715152A (en) * | 2023-08-10 | 2023-09-08 | 河南正大起重设备有限公司 | Novel double-beam bridge crane |
| CN116715152B (en) * | 2023-08-10 | 2023-11-21 | 河南正大起重设备有限公司 | Double-beam bridge crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113734982B (en) | 2024-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112573347B (en) | Connecting structure between balance beams on crane | |
| CN116354227B (en) | Automatic intelligent crane | |
| CN113734982A (en) | European style double-beam crane | |
| CN114890323A (en) | Simple hoisting equipment for house building construction | |
| CN212712406U (en) | Electric hoist gantry crane with good stability | |
| CN112158714B (en) | Lifting device with synchronous lifting and auxiliary turning functions | |
| CN210764023U (en) | Crane with anti-swing device | |
| CN220376168U (en) | Multifunctional portal crane | |
| CN209038910U (en) | Gantry crane | |
| CN214935498U (en) | Wharf tower crane with automatic control function | |
| CN216038321U (en) | Large-tonnage mast crane | |
| CN205773138U (en) | A kind of charging crane of carrying implement | |
| CN211078214U (en) | Marine crane lifting and releasing anti-swing device for ocean engineering | |
| CN212639766U (en) | Marine hoisting accessory | |
| CN212101637U (en) | Trolley and end beam hoisting device based on crane assembly assembling production line | |
| CN211310603U (en) | Anti-sway and anti-sway system | |
| CN209038911U (en) | Mobile gantry crane | |
| CN218507351U (en) | Hoisting mechanism for freight container | |
| CN111017739A (en) | Hoisting and transporting equipment capable of preventing goods from swinging | |
| CN205916920U (en) | Walking hoist and mount boat car | |
| CN218879244U (en) | Lifting appliance | |
| CN220300239U (en) | Shipbuilding gantry crane | |
| CN215968495U (en) | Dismounting device of tower crane jib loading boom | |
| CN213328674U (en) | Over-and-under type workstation is used in bridge engineering construction | |
| CN214359930U (en) | Building materials hoist device for construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 231600 intersection of Liaoyuan road and Daihe Road, Feidong Economic Development Zone, Hefei City, Anhui Province Applicant after: Anhui Jangho Intelligent Equipment Group Co.,Ltd. Address before: 230000 intersection of Liaoyuan road and Daihe Road, Feidong Economic Development Zone, Hefei City, Anhui Province Applicant before: Anhui Chunhua Intelligent Technology Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |