CN209797275U - Driving convenient to overhaul - Google Patents
Driving convenient to overhaul Download PDFInfo
- Publication number
- CN209797275U CN209797275U CN201920379112.0U CN201920379112U CN209797275U CN 209797275 U CN209797275 U CN 209797275U CN 201920379112 U CN201920379112 U CN 201920379112U CN 209797275 U CN209797275 U CN 209797275U
- Authority
- CN
- China
- Prior art keywords
- girder
- platform
- overhaul
- rope
- rope ladder
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a driving convenient to overhaul, including girder and girder both sides and the fixed end beam of girder, girder and end beam up end sliding connection have the maintenance platform, the maintenance platform has hung rope ladder downwards, the rope ladder with be provided with the storage device that is used for storing up the rope ladder between the maintenance platform. Through the setting, the setting of rope ladder can supply the user to climb to the driving through the rope ladder, overhauls and arranges the barrier to the driving to need not move the driving and climb to equipment such as stop rethread stair, make the driving when the during operation stops in the workspace because of the fault, can overhaul and arrange the barrier to the driving. Sliding connection between platform and girder and the end beam will be overhauld to be provided with the receipts storage device that is used for receiving and storing up rope ladder, can be need not to overhaul the both sides that the platform removed to the girder, and receive and store up rope ladder, reduce occupation to working space, and reduce because of the probability that the maloperation caused the damage to overhauing the platform.
Description
Technical Field
The utility model belongs to the technical field of the technique of hoist and specifically relates to a driving convenient to overhaul is related to.
Background
At present, cranes, travelling cranes, crown blocks and the like are commonly known as cranes by people, and the travelling cranes are basically the same as the cranes which are called at present. The crane is mainly a bridge crane and is characterized in that the vertical lifting or horizontal transfer of a heavy object hung on a hook or other fetching devices can be realized in space. At present, the traveling crane is widely applied in the preparation process of the concrete aerated block brick, is mainly used for lifting, moving and overturning a mold car, and has a large action range in a factory building.
the existing travelling crane comprises manual operation, remote control operation and the like, but because the travelling crane is higher in ground clearance, when the travelling crane stays in a working area due to some faults instead of hovering at a wall or other positions where workers can climb up for maintenance, the travelling crane is very difficult to maintain and remove obstacles, so that the working efficiency is influenced, the maintenance difficulty is increased, and an improvement space is reserved.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a driving convenient to overhaul has convenient to use person and steps on the driving and overhauls and the function of troubleshooting.
in order to achieve the above purpose, the utility model provides a following technical scheme:
The utility model provides a driving convenient to overhaul, includes girder and girder both sides and the fixed end beam of girder, girder and end beam up end sliding connection have the maintenance platform, the maintenance platform has hung rope ladder downwards, the rope ladder with be provided with the storage device that is used for storing up the rope ladder between the maintenance platform.
Through the arrangement, the travelling crane comprises the main beam and the end beams fixed to the two ends of the main beam, the supporting guide rails parallel to each other are fixed to the working site, and the end beams on the two sides are placed on the supporting guide rails, so that the travelling crane slides on the supporting guide rails, and the travelling crane can move along the length direction of the guide rails. Have the maintenance platform at girder and end beam up end sliding connection, the maintenance platform has hung rope ladder downwards, can supply the user to climb to the driving through rope ladder through the setting of rope ladder, overhauls and arranges the barrier to the driving to need not move the driving and climb to equipment such as stop rethread stair, make the driving when stopping in the workspace because of the barrier, can overhaul and arrange the barrier to the driving. Sliding connection between platform and girder and the end beam will be overhauld to be provided with the receipts storage device that is used for receiving and storing up rope ladder, can be need not to overhaul the both sides that the platform removed to the girder, and receive and store up rope ladder, reduce occupation to working space, and reduce because of the probability that the maloperation caused the damage to overhauing the platform.
The utility model discloses further set up, the rope ladder includes the connecting rope who is connected with maintenance platform, a plurality of sole have been cup jointed on the connecting rope, the sole with connecting rope fixed connection; the storage device comprises a fixed pulley fixed on the maintenance platform and a traction rope sliding on the fixed pulley, the traction rope is sleeved with the foot plate to slide, and one end of the traction rope is fixedly connected with the foot plate at the lowest end.
through the setting, the structure of rope ladder includes the rope of being connected with the maintenance platform, has cup jointed a plurality of footboards on connecting the rope, and the sole with be connected rope fixed connection supplies the user to trample and scramble through the sole. The storage device comprises a fixed pulley fixed on the maintenance platform, a traction rope slides on the fixed pulley, the traction rope is sleeved with the foot plate to slide, and one end of the traction rope sleeved with the foot plate is fixedly connected with the foot plate at the lowest part. Thereby pull the sole rebound of below when dragging the haulage rope other end to upwards mention the sole in proper order, finally realize all upwards tightening up a plurality of soles and will connect the rope and fold. The fixed pulley is used for changing the direction of the traction rope and enabling the traction rope to have smaller resistance in the sliding process.
The utility model discloses further set up, girder and end beam are fixed with the slide rail, it is provided with the universal wheel to overhaul the platform, the universal wheel is in slide in the slide rail.
Through the setting, be fixed with the slide rail on girder and the end beam, overhaul the platform and install the gliding universal wheel in the slide rail to realize overhauing the slip of platform on girder and end beam through the gliding mode of universal wheel in the slide rail, use the universal wheel to make and overhaul the platform and can carry out the diversion better at gliding in-process.
The utility model discloses further set up, overhaul the platform and be type "concave" style of calligraphy, overhaul the curb plate that the platform includes roof and lower plate and the lower plate of connecting the upper plate, overhaul the platform parcel the girder makes it is located to go up the roof the girder top makes the lower plate is located the girder below, girder up end and lower terminal surface all are provided with the slide rail, it all is provided with the universal wheel with the relative one side of lower roof to go up the roof, and the universal wheel is in respectively slide in the slide rail of girder upper and lower terminal surface.
Through the arrangement, the maintenance platform is arranged to be similar to a concave shape, the maintenance platform comprises an upper top plate and a lower bottom plate which are parallel to the ground, and a side plate which is vertical to the ground, and the side plate is used for connecting one side of the upper top plate and one side of the lower top plate and is used for installing a connecting rope of a rope ladder and the like. The maintenance platform wraps the girder, the upper top plate of the maintenance platform is located above the girder, the lower bottom plate is located below the girder, the upper end face and the lower end face of the girder are provided with slide rails, universal wheels are installed on the side face opposite to the upper top plate and the lower top plate, the upper universal wheel and the lower universal wheel are respectively arranged in the slide rails on the upper end face and the lower end face of the girder, and then the maintenance platform clamping girder and the end girder are arranged through the upper universal wheel and the lower universal wheel. The upper and lower groups of universal wheels are limited by the slide rails, so that the maintenance platform is not separated from the main beam or the end beam, and the stability and the safety of the maintenance platform sliding on the main beam or the end beam are improved.
The utility model discloses further set up, the girder with the end beam is perpendicular, the slide rail is including setting up the first straight section on the girder and setting up the second straight section on both sides end beam respectively, be provided with the slope section between first straight section and the second straight section, slope section intercommunication first straight section and the second straight section.
Through the arrangement, because the end beams slide on the supporting guide rails, the main beam is bridged on the end beams on the two sides, namely the main beam is vertical to the end beams on the two sides. The sliding rail is composed of a first straight section on the main beam and second quality ends respectively arranged on the end beams at two sides, an inclined end is arranged between the first straight section and the second straight section, the inclined section is communicated with the first straight section and the second straight section, the first straight section is parallel to the length direction of the main beam, and the second straight section is parallel to the length direction of the end beams. Through setting up first straight section, the second straight section and the slope section that communicate each other, increased the range of movement who overhauls the platform to the cooperation of the slope section of being convenient for and universal wheel can the person of facilitating the use will overhaul the platform and remove to the second straight section on, accomodate the maintenance platform, dodge the movement track of jib in the middle of the driving, improve the practicality that should overhaul the platform, will overhaul the platform again and shift out when needs are overhauld and are arranged the obstacle.
The utility model discloses further set up, the length of second straight section is greater than overhaul platform horizontal direction's length.
Through the setting, the length that sets up the flat section of second is greater than the length of overhauing the platform horizontal direction to make and overhaul the platform and can remove and accomodate on the flat section of second when not using, reduce the influence to the working stroke of jib in the driving a vehicle.
The utility model discloses further set up, it is provided with the guardrail to overhaul the platform up end.
Through the setting, the up end of overhauing the platform is fixed with the bellied guardrail that makes progress, and setting up through the guardrail makes the user when climbing to the top on rope ladder, can keep balance and support the user through gripping the guardrail to the guardrail can provide the protection in the certain limit for the user when the user goes upward the car top and overhauls and arrange the barrier, can be used to supply the user to connect safety rope etc. and make the guardrail follow the user with the maintenance platform and remove.
The utility model discloses further set up, the end fixing of the flat straight section of second has the limit baffle of the flat straight section of shutoff second.
Through the arrangement, the end part of the second straight section is fixed with the limiting baffle for plugging the second straight section, and the maintenance platform can be limited by the limiting baffle when moving on the main beam and the end beam or sliding or residing on the second straight section, so that the maintenance platform is not separated from the sliding rail, and the safety of the mechanism is improved.
The utility model discloses further set up, sliding connection has the jib on the girder, store up the device and still including fixing the jib orientation overhaul the connector of platform one side.
Through the arrangement, the main beam is connected with the suspender driven by the hydraulic cylinder in a sliding manner, the storage device further comprises a connector fixed on one side of the falling part facing the maintenance platform, and the travelling crane is hung on the supporting guide rail and extends downwards to be used for hanging objects, so that the ground clearance of the suspender is short. Through being provided with the connector on the jib, can be with the haulage rope with the connector winding connection after packing up the sole to receive and release the footboard and control in the position that leaves ground closely. And carry out spacing can also carry on spacingly to overhauing the platform wholly with the haulage rope, make to overhaul the platform and stay in a specific position, reduce the interference to this driving work.
To sum up, the utility model discloses following beneficial effect has:
1. The maintenance platform is connected to the main beam and the end beam of the travelling crane in a sliding manner, and the rope ladder is hung on the maintenance platform downwards, so that when the travelling crane stops in a working area far away from a stopping point due to a fault, a user can climb the maintenance platform to maintain and remove obstacles on the travelling crane, the travelling crane does not need to be moved to the stopping point and then climbed through equipment such as stairs, and the travelling crane can be maintained and removed of obstacles when the travelling crane stops in the working area due to the fault during working;
2. The storage device for storing the rope ladder is arranged between the rope ladder and the maintenance platform, the maintenance platform is connected with the main beam and the end beam in a sliding mode, the storage device comprises a fixed pulley fixed on the maintenance platform and a traction rope sliding on the fixed pulley, the traction rope is sleeved with the foot plates to slide, one end, sleeved with the foot plates, of the traction rope is fixed with the foot plate at the lowest part, and therefore the foot plate at the lowest part can be lifted up and a plurality of stirring materials are lifted up and stored in sequence through traction of the traction rope, the rope ladder can be folded upwards when not used and moves to the tail end of the sliding rail along with the maintenance platform, and occupation of working space is reduced;
3. the maintenance platform is arranged in a concave-like shape, the upper end surfaces and the lower end surfaces of the main beam and the end beam are provided with the slide rails, the maintenance platform wraps the main beam to enable the upper top plate to be positioned above the main beam and the lower bottom plate to be positioned below the main beam, and the slide rails on the upper end surfaces and the lower end surfaces of the main beam and the end beam limit the universal wheels of the upper top plate and the lower bottom plate of the maintenance platform, so that the maintenance platform is not separated from the main beam or the end beam, and the safety of the travelling crane is improved;
4. Through setting up the slide rail into the first straight section parallel with the girder, the second straight section parallel with the end beam and the slope section of intercommunication first straight section and second straight section to the length that sets up the second straight section is greater than the horizontal length who overhauls the platform, makes and overhauls the platform and can stay in the second straight section, reduces occupation to workspace.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural diagram of the maintenance platform of the present embodiment;
Fig. 3 is an enlarged view of a point a in fig. 1.
reference numerals: 1. a main beam; 11. an end beam; 12. a boom; 13. a connector; 14. supporting the guide rail; 2. overhauling the platform; 21. an upper top plate; 22. a lower base plate; 23. a side plate; 24. a universal wheel; 25. a guardrail; 3. a rope ladder; 31. connecting ropes; 32. a foot plate; 33. a fixed pulley; 34. a hauling rope; 4. a slide rail; 41. a first straight section; 42. a second straight section; 43. an inclined section; 44. and a limiting baffle.
Detailed Description
the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model discloses a driving convenient to overhaul, including girder 1 with fix the end beam 11 at girder 1 both ends, both sides end beam 11 all is perpendicular with girder 1, and end beam 11 places and supports the driving and make the driving remove on support rail 14 length direction on support rail 14, and support rail 14 is parallel with end beam 11, and girder 1 upper and lower sliding connection has jib 12.
The sliding rails 4 are symmetrically fixed on the upper end surfaces and the lower end surfaces of the main beams 1 and the end beams 11, the cross sections of the sliding rails 4 can be T-shaped, dovetail-shaped or rectangular, each sliding rail 4 comprises a first straight section 41 fixed on the main beams 1 and second straight sections 42 respectively fixed on the end beams 11 on two sides, the first straight sections 41 are parallel to the main beams 1, the second straight sections 42 are parallel to the end beams 11, namely the first straight sections 41 are perpendicular to the second straight sections 42, inclined sections 43 are respectively fixed between two ends of the first straight sections 41 and the second straight sections 42, and the inclined sections 43 are communicated with the first straight sections 41 and the second straight sections 42. Wherein, the end of the second straight section 42 far away from the inclined section 43 is fixed with a limit baffle 44 for blocking the second straight section 42.
This driving has maintenance platform 2 at girder 1 and end beam 11 go up sliding connection, and maintenance platform 2 is "concave" style of calligraphy of class, and maintenance platform 2 is connected with monolithic curb plate 23 between upper plate 21 and the lower plate 22 including upper plate 21 and the lower plate 22 that is on a parallel with ground, and curb plate 23 is connected at the homonymy of upper plate 21 and lower plate 22. The maintenance platform 2 wraps the main beam 1 and the end beam 11, so that the upper top plate 21 is located above the main beam 1, the lower bottom plate 22 is located below the main beam 1, universal wheels 24 are mounted on the opposite sides of the upper top plate 21 and the lower bottom plate 22, the upper and lower universal wheels 24 slide in the upper and lower two sets of slide rails 4 of the main beam 1 and the end beam 11 respectively, the universal wheels 24 are limited through the slide rails 4, and the maintenance platform 2 is not separated from the slide rails 4.
The universal wheels 24 are arranged to facilitate the maintenance platform 2 to turn on the first straight section 41 and the inclined section 43 of the sliding rail 4, the inclined section 43 and the second straight section 42, so that the maintenance platform 2 can stay on the second straight section 42 when not needed, and the length in the second straight section 42 is set to be larger than the length in the horizontal direction of the maintenance platform 2, thereby reducing the occupation of the working space of the suspender 12.
As shown in fig. 2 to 3, the maintenance platform 2 is suspended with the rope ladder 3 downwards, the rope ladder 3 comprises a connecting rope 31 fixedly connected with the maintenance platform 2, the connecting rope 31 is fixedly sleeved with a plurality of foot plates 32 at equal intervals, and the foot plates 32 are used for a user to tread and climb. The maintenance platform 2 is further provided with a storage device for storing the rope ladder 3, the storage device comprises a fixed pulley 33 fixed on the upper end face of the upper top plate 21, a traction rope 34 slides on the fixed pulley 33, the traction rope 34 is sleeved and slid with each foot plate 32, and one end of the traction rope 34 sleeved with the foot plate 32 is fixedly connected with the foot plate 32 at the lowest part. Thereby carry out the tractive to the sole 32 of below through pulling haulage rope 34, promote each sole 32 of sole 32 and then constantly mentioning the top, make each sole 32 in the direction of height realize being close to each other and accomodating, and then shortened rope ladder 3 length on vertical, realize the storage to rope ladder 3.
As shown in fig. 1, a connector 13 is fixed on one side of the boom 12 facing the maintenance platform 2, the connector 13 is a convex projection, and the cross section of the connecting section between the projection and the boom 12 is smaller than that of the projection, so that a user can fasten the traction rope 34 on the connector 13 to fix the traction rope 34 and position the maintenance platform 2, thereby reducing the occupation of the maintenance platform 2 and the rope ladder 3 on the working space in the process of the travelling crane.
The up end of overhauing platform 2 is fixed with guardrail 25, and guardrail 25 is used for the person of facilitating the use to scramble to for the user provides the protection in the certain limit, guardrail 25 follows to overhaul platform 2 and removes, can supply the fixed safety rope of user etc. and make guardrail 25 follow the user through the removal of overhauing platform 2 and remove.
The implementation principle of the embodiment is as follows:
When this driving convenient to overhaul breaks down and stops in work area etc. and keep away from position wall, stair far away, or directly climb through maintenance platform 2 and overhaul and arrange obstacles etc. can release a plurality of footboards 32 through release haulage rope 34, form rope ladder 3 and supply the user to climb to the driving, overhaul the driving. And because overhaul platform 2 and main girder 1 and end beam 11 and pass through slide rail 4 sliding connection, can slide overhaul platform 2 and climb to the place that needs the maintenance again, reduce the distance that the user walked on the driving, improve the security. After the overhaul is completed, the overhaul platform 2 is moved to the second straight section 42, the traction rope 34 and the connector 13 are wound and bound, and the rope ladder 3 is accommodated and the overhaul platform 2 is retained.
the present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a driving convenient to overhaul, includes girder (1) and girder (1) both sides and fixed end beam (11) of girder (1), characterized by: the main beam (1) and the end beam (11) are connected with an overhaul platform (2) in a sliding mode, a rope ladder (3) is hung downwards on the overhaul platform (2), and a storage device used for storing the rope ladder (3) is arranged between the rope ladder (3) and the overhaul platform (2).
2. A service trolley according to claim 1 wherein: the rope ladder (3) comprises a connecting rope (31) connected with the overhaul platform (2), a plurality of foot plates (32) are sleeved on the connecting rope (31), and the foot plates (32) are fixedly connected with the connecting rope (31); the storage device comprises a fixed pulley (33) fixed on the maintenance platform (2) and a traction rope (34) sliding on the fixed pulley (33), the traction rope (34) is sleeved and slid with the foot plate (32), and one end of the traction rope (34) is fixedly connected with the foot plate (32) at the lowest end.
3. A service trolley according to claim 1 wherein: main girder (1) and end beam (11) are fixed with slide rail (4), it is provided with universal wheel (24) to overhaul platform (2), universal wheel (24) are in slide rail (4) slide.
4. A service trolley according to claim 3 wherein: overhaul platform (2) and be "concave" style of calligraphy of class, overhaul platform (2) and include upper plate (21) and lower plate (22) and connect curb plate (23) of upper plate (21) and lower plate (22), overhaul platform (2) parcel girder (1) makes upper plate (21) are located girder (1) top makes lower plate (22) are located girder (1) below, girder (1) up end and lower terminal surface all are provided with slide rail (4), one side that upper plate (21) and lower roof are relative all is provided with universal wheel (24), and universal wheel (24) are in respectively slide in slide rail (4) of girder (1) upper and lower terminal surface.
5. A service trolley according to claim 3 wherein: the main beam (1) is perpendicular to the end beams (11), the sliding rail (4) comprises a first straight section (41) arranged on the main beam (1) and second straight sections (42) respectively arranged on the end beams (11) on two sides, an inclined section (43) is arranged between the first straight section (41) and the second straight sections (42), and the inclined section (43) is communicated with the first straight section (41) and the second straight sections (42).
6. A service trolley according to claim 5 wherein: the length of the second straight section (42) is larger than the length of the maintenance platform (2) in the horizontal direction.
7. A service trolley according to claim 3 wherein: and a guardrail (25) is arranged on the upper end face of the maintenance platform (2).
8. A service trolley according to claim 5 wherein: and a limit baffle (44) for plugging the second straight section (42) is fixed at the end part of the second straight section (42).
9. A service trolley according to claim 3 wherein: sliding connection has jib (12) on girder (1), the storage device is still including fixing jib (12) orientation connector (13) of maintenance platform (2) one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379112.0U CN209797275U (en) | 2019-03-22 | 2019-03-22 | Driving convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920379112.0U CN209797275U (en) | 2019-03-22 | 2019-03-22 | Driving convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209797275U true CN209797275U (en) | 2019-12-17 |
Family
ID=68826124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920379112.0U Expired - Fee Related CN209797275U (en) | 2019-03-22 | 2019-03-22 | Driving convenient to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209797275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562615A (en) * | 2021-07-13 | 2021-10-29 | 张家港宏昌钢板有限公司 | Auxiliary maintenance device for travelling crane |
-
2019
- 2019-03-22 CN CN201920379112.0U patent/CN209797275U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562615A (en) * | 2021-07-13 | 2021-10-29 | 张家港宏昌钢板有限公司 | Auxiliary maintenance device for travelling crane |
| CN113562615B (en) * | 2021-07-13 | 2024-03-29 | 江苏沙钢钢铁有限公司 | Auxiliary maintenance device for traveling crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014015757A1 (en) | Bridge maintenance vehicle with hinge-connected type hanging bracket and capable of avoiding bridge-side obstacles | |
| CN109457626A (en) | A method of precast beam being installed in height-limit area | |
| CN105003082A (en) | Glass curtain wall mounting equipment and glass curtain mounting method | |
| CN209797275U (en) | Driving convenient to overhaul | |
| CN110468743A (en) | A kind of traveling cradle and construction method for the transformation of old pier coping | |
| CN203904856U (en) | Movable construction platform for construction outside bridge guardrail | |
| EP0680540A1 (en) | Scaffolding system | |
| CN219241909U (en) | A operation platform truck for tunnel face construction | |
| CN102518335A (en) | Crane lifting and operation platform comprehensive equipment | |
| CN115162184A (en) | Suspension bridge steel truss erecting system and method | |
| CN211472166U (en) | Simple movable hanging basket vehicle for highway bridge construction | |
| CN209618693U (en) | A kind of encircling type single-beam operation trolley | |
| CN114776029A (en) | Construction operation method and system for outer curtain wall of corridor of high-altitude large-span building | |
| CN211366866U (en) | Safe and environment-friendly automatic lifting device for scaffold steel pipe | |
| CN205275061U (en) | Semi -portal crane | |
| CN210049105U (en) | Self-propelled bridge formwork operation trolley | |
| CN210973610U (en) | Single nose girder descending type beam feeding device | |
| CN2871634Y (en) | Bridge maintaining equipment | |
| CN208501491U (en) | Overpass bridge bottom wire laying device | |
| CN210655915U (en) | Connecting device for climbing frame and tower crane | |
| CN110697571A (en) | Single-guide-beam descending type beam feeding device and beam feeding method thereof | |
| CN215629462U (en) | Movable protection platform for bridge construction | |
| CN215164791U (en) | High-altitude assembly welding device | |
| CN110761813A (en) | Waterproof board trolley capable of automatically feeding | |
| CN2127934Y (en) | Lift for changeable container |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |