CN221396946U - Crane frame with limiting and adjusting functions - Google Patents
Crane frame with limiting and adjusting functions Download PDFInfo
- Publication number
- CN221396946U CN221396946U CN202323019495.6U CN202323019495U CN221396946U CN 221396946 U CN221396946 U CN 221396946U CN 202323019495 U CN202323019495 U CN 202323019495U CN 221396946 U CN221396946 U CN 221396946U
- Authority
- CN
- China
- Prior art keywords
- face
- wall
- limiting
- frame
- welding
- 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
- 230000006870 function Effects 0.000 title claims description 13
- 238000003466 welding Methods 0.000 claims abstract description 28
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000010030 laminating Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009711 regulatory function Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a crane frame with a limiting and adjusting function, which comprises a frame main body, a limiting assembly, a reinforcing assembly, limiting rings, rotating rollers, a hydraulic motor and a wire rope hanging rope, wherein the limiting assembly is arranged at the bottom of the frame main body, the reinforcing assembly is arranged at the top of the frame main body, the rotating rollers are arranged between two end faces of the inner side of the frame main body, a plurality of limiting rings are arranged on the outer wall of each rotating roller through welding, and the hydraulic motor is arranged on one side of each rotating roller.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a crane frame with a limiting and adjusting function.
Background
The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, the bridge crane is hoisting equipment for hoisting materials transversely erected above workshops, warehouses and yards, and a bridge frame of the bridge crane longitudinally runs along rails laid on the overhead frames at two sides, so that the space below the bridge frame can be fully utilized for hoisting the materials, and the space is not blocked by ground equipment; the existing crane frame does not have a perfect limit adjusting structure, when the crane is lifted and moved, a motor or a hydraulic motor is needed to serve as a support, when the crane is used for bearing the overweight materials for a long time, the crane frame is easy to break down and cause potential safety hazards, meanwhile, the existing crane frame is poor in fixing effect, displacement can be generated when part of the structure is stressed greatly, after materials are tired, the safety of the crane is reduced, and therefore, the crane frame with the limit adjusting function is very necessary to design.
Disclosure of utility model
The crane rack with the limiting and adjusting functions is reasonable in structural design, safe and reliable, can limit and fix a crane in use, eliminates potential safety hazards when a hydraulic motor fails, can conveniently adjust the crane, does not need manual adjustment, saves labor, can strengthen the crane, prevents material fatigue of a key structure of the crane, and improves safety of carrying operation.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a crane frame with spacing regulatory function, includes frame main part, spacing subassembly, reinforcement subassembly, spacing ring, rotatory roller, hydraulic motor and wire rope hoist cable, the bottom of frame main part is provided with spacing subassembly, the top of frame main part is provided with reinforcement subassembly, be provided with rotatory roller between the inboard both ends face of frame main part, and the outer wall of rotatory roller installs a plurality of spacing ring through the welding, one side of rotatory roller is provided with hydraulic motor, and the inboard terminal surface of hydraulic motor installs the pivot through the shaft coupling, the other end of pivot passes rotatory roller and external intercommunication, the outer wall winding of rotatory roller is fixed with wire rope hoist cable;
The limiting component comprises a limiting groove, a slot, a positioning block, an extrusion block, a rotating motor, a transmission gear, a first T-shaped groove, a second T-shaped block, an inserting rod, a baffle, a limiting plate and a supporting plate, wherein the bottom of the rotating roller is provided with the supporting plate, the inserting rod is attached and installed on one side of the top of the supporting plate, the slot is formed in the bottoms of two end faces of the inner side of the rack main body, and the outer wall of one end of the inserted link is connected with the inner wall of the slot in a fitting way, the extrusion block is installed in the center of the top end face of the inserted link through welding, the positioning block is installed on one side end face of the extrusion block in a fitting way, a plurality of limiting grooves are formed in one side, close to the extrusion block, of the outer wall of the rotating roller, and the top of the outer wall of the positioning block is connected with the inner wall of the limiting grooves in a fitting way.
As a further scheme of the utility model: the reinforcing component comprises a guide groove, a fixing frame, a first fixing plate, a second fixing plate and a reinforcing block, wherein the guide groove is formed in the top of two inner side end faces of the frame main body, the fixing frame is arranged on the outer side of the rotating roller, the outer side end faces of the fixing frame are connected with the inner side end faces of the hydraulic motor through bolts, the outer wall of the fixing frame is connected with the inner wall of the guide groove in a fitting mode, the first fixing plate is installed on one side of the bottom end face of the fixing frame through welding, and the second fixing plate is installed in the middle of the inner side end face of the first fixing plate through welding.
As a further scheme of the utility model: the top terminal surface one side of second fixed plate is installed through the welding and is consolidated the piece, and consolidate the both sides terminal surface of piece and laminate with adjacent spacing ring respectively, consolidate the top terminal surface of piece and be connected with the laminating of the outer wall bottom of rotatory roller.
As a further scheme of the utility model: the baffle is installed through the welding to the top terminal surface middle part both sides of inserted bar, and the outside both ends face of locating piece is laminated with the inboard terminal surface of baffle, is close to the sliding tray has been seted up to baffle one side of rotatory roller, the bottom of rotatory roller is provided with the limiting plate, and the one end of limiting plate passes sliding tray and external intercommunication, one side terminal surface of limiting plate is laminated with the adjacent terminal surface of locating piece and is connected.
As a further scheme of the utility model: the extrusion block is characterized in that a first T-shaped groove is formed in one side end face of the extrusion block, a first T-shaped block is mounted on one side of the bottom end face of the positioning block through welding, and the outer wall of the first T-shaped block is connected with the inner wall of the first T-shaped groove in a fit mode.
As a further scheme of the utility model: the second T-shaped groove is formed in one side of the top end face of the supporting plate, a second T-shaped block is mounted in the middle of the bottom end face of the inserted rod through welding, the outer wall of the second T-shaped block is connected with the inner wall of the second T-shaped groove in a fit mode, a rotating motor is mounted on one side end face of the supporting plate through a bolt, a transmission gear is mounted on the inner side end face of the rotating motor through a transmission shaft, a toothed belt is mounted on the bottom end face of the second T-shaped block through welding, and the transmission gear is connected with the toothed belt in a meshed mode.
The beneficial effects of the utility model are as follows: this crane frame with spacing regulatory function, structural design is reasonable, and safe and reliable can carry out spacing fixedly to the hoist through spacing subassembly when using, has eliminated the potential safety hazard when hydraulic motor breaks down, can conveniently adjust the hoist, need not manual regulation, has saved the manpower, simultaneously, can consolidate the hoist through reinforcement assembly, prevents that the material fatigue from appearing in the hoist key structure, has improved the security of transport operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the spacing assembly of the present utility model;
FIG. 3 is a schematic view of a reinforcement assembly according to the present utility model;
Fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
Legend description: 1. a frame body; 2. a limit component; 3. a reinforcement assembly; 4. a limiting ring; 5. a rotating roller; 6. a hydraulic motor; 7. a steel wire rope sling; 21. a limit groove; 22. a slot; 23. a positioning block; 24. extruding a block; 25. a rotating electric machine; 26. a transmission gear; 27. a first T-shaped slot; 28. a second T-block; 29. a rod; 210. a baffle; 211. a limiting plate; 212. a support plate; 31. a guide groove; 32. a fixing frame; 33. a first fixing plate; 34. a second fixing plate; 35. and (5) reinforcing the block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Specific examples are given below.
Referring to fig. 1-3, a crane frame with a limiting and adjusting function comprises a frame main body 1, a limiting assembly 2, a reinforcing assembly 3, limiting rings 4, rotating rollers 5, a hydraulic motor 6 and a steel wire rope hanging rope 7, wherein the limiting assembly 2 is arranged at the bottom of the frame main body 1, the reinforcing assembly 3 is arranged at the top of the frame main body 1, the rotating rollers 5 are arranged between two end surfaces of the inner side of the frame main body 1, a plurality of limiting rings 4 are arranged on the outer walls of the rotating rollers 5 through welding, the hydraulic motor 6 is arranged on one side of each rotating roller 5, a rotating shaft is arranged on the inner side end surface of each hydraulic motor 6 through a shaft coupling, the other end of each rotating shaft penetrates through the rotating rollers 5 and is communicated with the outside, and the steel wire rope hanging rope 7 is fixedly wound on the outer walls of the rotating rollers 5;
The limiting component 2 comprises a limiting groove 21, a slot 22, a positioning block 23, an extrusion block 24, a rotating motor 25, a transmission gear 26, a first T-shaped groove 27, a second T-shaped block 28, an inserting rod 29, a baffle 210, a limiting plate 211 and a supporting plate 212, wherein the supporting plate 212 is arranged at the bottom of the rotating roller 5, the inserting rod 29 is mounted on one side of the top of the supporting plate 212 in a laminating way, the slot 22 is formed at the bottoms of the two inner side end surfaces of the frame main body 1, the outer wall of one end of the inserting rod 29 is connected with the inner wall of the slot 22 in a laminating way, the extrusion block 24 is mounted at the center of the top end surface of the inserting rod 29 in a welding way, the positioning block 23 is mounted on one side end surface of the extrusion block 24 in a laminating way, A plurality of limit grooves 21 are formed on one side, close to the extrusion block 24, of the outer wall of the rotary roller 5, the top of the outer wall of the positioning block 23 is in fit connection with the inner wall of the limit groove 21, when the rotary roller 5 is driven by the hydraulic motor 6 to rotate during operation, one end of the bottom of the wire rope sling 7 moves down, after the rotary roller 5 reaches a proper position, the second T-shaped block 28 drives the inserted rod 29 to move with the extrusion block 24 through the rotary motor 25, the transmission gear 26 and the toothed belt on the end face of the bottom of the second T-shaped block 28, one end of the inserted rod 29 is pulled out from the slot 22 on one side, the other end of the inserted rod 29 is inserted into the slot 22 on the other side, the movement of the rotary roller 5 is fixed, The extrusion block 24 moves to extrude the positioning block 23, so that the positioning block 23 slides upwards, the outer wall of the top of the positioning block 23 is attached to the inner wall of the limiting groove 21, the rotation of the rotary roller 5 is fixed, the position of the steel wire rope sling 7 is firmly fixed, the limiting and fixing functions are realized, and the working safety is greatly improved; The baffle 210 is arranged on two sides of the middle part of the top end surface of the inserted link 29 through welding, two outer end surfaces of the positioning block 23 are attached to the inner end surface of the baffle 210, a sliding groove is formed in one side of the baffle 210 close to the rotating roller 5, a limiting plate 211 is arranged at the bottom of the rotating roller 5, one end of the limiting plate 211 penetrates through the sliding groove to be communicated with the outside, one side end surface of the limiting plate 211 is attached to the adjacent end surface of the positioning block 23, and when the positioning block 23 slides upwards in the attachment of the inner end surfaces of the baffle 210 and the limiting plate 211, and the effect of limiting the movement of the positioning block 23 is achieved through the baffle 210 and the limiting plate 211; The first T-shaped groove 27 is formed in one side end face of the extrusion block 24, the first T-shaped block is mounted on one side of the bottom end face of the positioning block 23 through welding, the outer wall of the first T-shaped block is in fit connection with the inner wall of the first T-shaped groove 27, and when the positioning block 23 moves, the first T-shaped block at the bottom of the positioning block 23 slides in fit connection with the inner wall of the first T-shaped groove 27, so that the effect of limiting the movement of the positioning block 23 is achieved; A second T-shaped groove is formed in one side of the top end face of the supporting plate 212, a second T-shaped block 28 is mounted in the middle of the bottom end face of the inserted link 29 through welding, the outer wall of the second T-shaped block 28 is in fit connection with the inner wall of the second T-shaped groove, a rotating motor 25 is mounted on one side end face of the supporting plate 212 through bolts, a transmission gear 26 is mounted on the inner side end face of the rotating motor 25 through a transmission shaft, a toothed belt is mounted on the bottom end face of the second T-shaped block 28 through welding, the transmission gear 26 is in meshed connection with the toothed belt, in operation, the rotating motor 25 is started to drive the transmission gear 26 to rotate, the transmission gear 26 is meshed and rotated at the bottom of the toothed belt on the bottom end face of the second T-shaped block 28, The effect that the second T-shaped block 28 drives the inserted rod 29 to move is achieved;
The reinforcing component 3 comprises a guide groove 31, a fixing frame 32, a first fixing plate 33, a second fixing plate 34 and a reinforcing block 35, wherein the guide groove 31 is formed in the top of two inner end faces of the frame main body 1, the fixing frame 32 is arranged on the outer side of the rotating roller 5, the outer end face of the fixing frame 32 is connected with the inner end face of the hydraulic motor 6 through bolts, the outer wall of the fixing frame 32 is attached to the inner wall of the guide groove 31, the first fixing plate 33 is installed on one side of the bottom end face of the fixing frame 32 through welding, the second fixing plate 34 is installed in the middle of the inner end face of the first fixing plate 33 through welding, when the fixing frame 32 drives the rotating roller 5 to move, two ends of the fixing frame 32 are attached to the inner wall of the guide groove 31 to slide, the effect of limiting the movement of the fixing frame 32 is achieved, stability is improved, the first fixing plate 33 and the second fixing plate 34 are driven to move, and when the rotating roller 5 rotates, the fixing frame 32 achieves a good fixing effect; the reinforcing block 35 is installed on one side of the top end face of the second fixing plate 34 through welding, two side end faces of the reinforcing block 35 are respectively attached to the adjacent limiting rings 4, the top end face of the reinforcing block 35 is attached to the bottom of the outer wall of the rotating roller 5, when the rotating roller 5 rotates, the bottom of the outer wall of the rotating roller 5 is attached to the top end face of the reinforcing block 35 to rotate, the effect of auxiliary supporting and limiting is achieved through the rotation of the rotating roller 5 through the reinforcing block 35, and the stability of the device is further improved.
The working principle of the utility model is as follows: when in use, the crane can be reinforced by the reinforcing component 3, when the fixing frame 32 drives the rotating roller 5 to move, the two ends of the fixing frame 32 are attached and slide on the inner wall of the guide groove 31, the effect of limiting the movement of the fixing frame 32 is achieved, the stability is improved, the first fixing plate 33 and the second fixing plate 34 are driven to move, when the rotating roller 5 rotates, the fixing frame 32 achieves good fixing effect on the rotating roller 5, the bottom of the outer wall of the rotating roller 5 is attached and rotated on the top end face of the reinforcing block 35, the effect of auxiliary supporting and limiting the rotating roller 5 is achieved through the reinforcing block 35, the crane can be limited and fixed through the limiting component 2, the hydraulic motor 6 is started to drive the rotating roller 5 to rotate when in operation, one end of the bottom of the steel wire rope sling 7 is moved downwards, and after the proper position is reached, the rotating motor 25 is started to drive the transmission gear 26 to rotate, the transmission gear 26 is meshed and rotated at the bottom of the toothed belt on the bottom end face of the second T-shaped block 28, so that the second T-shaped block 28 drives the inserting rod 29 to move with the extrusion block 24, one end of the inserting rod 29 is pulled out of the slot 22 on one side, the other end of the inserting rod 29 is inserted into the slot 22 on the other side, the movement of the rotary roller 5 is fixed, the extrusion block 24 moves to extrude the positioning block 23, the positioning block 23 slides upwards in a joint way on the inner side end face of the baffle 210 and the limiting plate 211, the effect of limiting the movement of the positioning block 23 is achieved through the baffle 210 and the limiting plate 211, the first T-shaped block on the bottom of the positioning block 23 slides in a joint way on the inner wall of the first T-shaped groove 27, the effect of limiting the movement of the positioning block 23 is achieved, the top outer wall of the positioning block 23 is jointed with the inner wall of the limiting groove 21, the rotation of the rotary roller 5 is fixed, the position of the steel wire rope sling 7 is firmly fixed, the limiting and fixing functions are realized, and the working safety is greatly improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a crane frame with spacing regulatory function, its characterized in that includes frame main part (1), spacing subassembly (2), reinforcement subassembly (3), spacing ring (4), rotatory roller (5), hydraulic motor (6) and wire rope hoist cable (7), the bottom of frame main part (1) is provided with spacing subassembly (2), the top of frame main part (1) is provided with reinforcement subassembly (3), be provided with rotatory roller (5) between the inboard both ends face of frame main part (1), and the outer wall of rotatory roller (5) is through welding and install a plurality of spacing ring (4), one side of rotatory roller (5) is provided with hydraulic motor (6), and the medial surface of hydraulic motor (6) is through the shaft coupling installation pivot, the other end of pivot passes rotatory roller (5) and external intercommunication, the outer wall winding of rotatory roller (5) is fixed with wire rope hoist cable (7);
Spacing subassembly (2) are including spacing groove (21), slot (22), locating piece (23), extrusion piece (24), rotating electrical machines (25), drive gear (26), first T type groove (27), second T type piece (28), inserted bar (29), baffle (210), limiting plate (211) and backup pad (212), the bottom of rotatory roller (5) is provided with backup pad (212), and the top one side laminating of backup pad (212) installs inserted bar (29), slot (22) have all been seted up to the inboard both ends face bottom of frame main part (1), and the one end outer wall of inserted bar (29) is connected with the inner wall laminating of slot (22), the top terminal surface central authorities of inserted bar (29) are installed extrusion piece (24) through the welding, and one side terminal surface laminating of extrusion piece (24) installs locating piece (23), the outer wall that the outer wall of rotatory roller (5) is close to one side of extrusion piece (24) has seted up a plurality of spacing groove (21), and the outer wall top of locating piece (23) is connected with the inner wall laminating of spacing groove (21).
2. The crane frame with limiting and adjusting functions according to claim 1, wherein the reinforcing component (3) comprises a guide groove (31), a fixing frame (32), a first fixing plate (33), a second fixing plate (34) and a reinforcing block (35), the guide groove (31) is formed in the tops of two inner side end faces of the frame main body (1), the fixing frame (32) is arranged on the outer side of the rotating roller (5), the outer side end face of the fixing frame (32) is connected with the inner side end face of the hydraulic motor (6) through bolts, the outer wall of the fixing frame (32) is connected with the inner wall of the guide groove (31) in a fit mode, the first fixing plate (33) is mounted on one side of the bottom end face of the fixing frame (32) through welding, and the second fixing plate (34) is mounted in the middle of the inner side end face of the first fixing plate (33) through welding.
3. The crane frame with the limiting and adjusting functions according to claim 2, wherein a reinforcing block (35) is mounted on one side of the top end face of the second fixing plate (34) through welding, two side end faces of the reinforcing block (35) are respectively attached to adjacent limiting rings (4), and the top end face of the reinforcing block (35) is attached to the bottom of the outer wall of the rotating roller (5).
4. The crane frame with the limiting and adjusting functions according to claim 1, wherein baffles (210) are mounted on two sides of the middle of the top end face of the inserted link (29) through welding, two outer end faces of the positioning block (23) are attached to inner end faces of the baffles (210), sliding grooves are formed in one side of the baffles (210) close to the rotating roller (5), limiting plates (211) are arranged at the bottom of the rotating roller (5), one ends of the limiting plates (211) penetrate through the sliding grooves and are communicated with the outside, and one end face of each limiting plate (211) is attached to the adjacent end face of the positioning block (23).
5. The crane frame with the limiting and adjusting functions according to claim 1, wherein a first T-shaped groove (27) is formed in one side end face of the extrusion block (24), a first T-shaped block is mounted on one side of the bottom end face of the positioning block (23) through welding, and the outer wall of the first T-shaped block is in fit connection with the inner wall of the first T-shaped groove (27).
6. The crane frame with the limiting and adjusting functions according to claim 1, wherein a second T-shaped groove is formed in one side of the top end face of the supporting plate (212), a second T-shaped block (28) is installed in the middle of the bottom end face of the inserted link (29) through welding, the outer wall of the second T-shaped block (28) is attached to the inner wall of the second T-shaped groove, a rotating motor (25) is installed on one side end face of the supporting plate (212) through a bolt, a transmission gear (26) is installed on the inner side end face of the rotating motor (25) through a transmission shaft, a toothed belt is installed on the bottom end face of the second T-shaped block (28) through welding, and the transmission gear (26) is in meshed connection with the toothed belt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323019495.6U CN221396946U (en) | 2023-11-09 | 2023-11-09 | Crane frame with limiting and adjusting functions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323019495.6U CN221396946U (en) | 2023-11-09 | 2023-11-09 | Crane frame with limiting and adjusting functions |
Publications (1)
Publication Number | Publication Date |
---|---|
CN221396946U true CN221396946U (en) | 2024-07-23 |
Family
ID=91925012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202323019495.6U Active CN221396946U (en) | 2023-11-09 | 2023-11-09 | Crane frame with limiting and adjusting functions |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN221396946U (en) |
-
2023
- 2023-11-09 CN CN202323019495.6U patent/CN221396946U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN218620225U (en) | Electric rotary lifting insulating platform for operation on auxiliary rod | |
CN112794215A (en) | Small portal crane for factory building and use method thereof | |
CN221396946U (en) | Crane frame with limiting and adjusting functions | |
CN117886217A (en) | Sling device for marine building construction | |
CN111824972A (en) | Crane with a movable crane | |
DE10122677B4 (en) | Construction machinery | |
CN210915080U (en) | Rope arranging device for mining winch | |
CN114148933B (en) | Drum hoisting mechanism with emergency function for crane | |
CN215402697U (en) | Trackless rubber-tyred single-double speed electric hoist gantry crane | |
CN212453547U (en) | Mechanical construction platform | |
CN215402784U (en) | Electric hoist with semi-built-in noise reduction motor and speed reducer | |
CN215479221U (en) | Special gantry crane for movable high-speed rail | |
CN211495715U (en) | Transformer removes trades rail conveying mechanism | |
CN210915111U (en) | Hoisting tool for railway track plate | |
CN112693990B (en) | Tower crane connection structure | |
CN111332994B (en) | Mechanical arm for mechanical construction platform | |
CN215160777U (en) | Vertical continuous elevator with strong stabilizing effect | |
CN215733934U (en) | Electric trolley traction device for drawing through generator rotor | |
CN220519015U (en) | Conveyer of H shaped steel | |
CN216945888U (en) | Crane and vehicle battery replacement system | |
CN215974713U (en) | Lifting conveying device for building construction | |
CN219211081U (en) | Rolling mill working roll changing trolley | |
CN216785546U (en) | Large crane for movable port with stable hoisting | |
CN212924340U (en) | Cylinder sliding device | |
CN219585752U (en) | Auxiliary moving device for hoisting machinery |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |