CN111908348A - Gantry crane with anti-shaking function - Google Patents
Gantry crane with anti-shaking function Download PDFInfo
- Publication number
- CN111908348A CN111908348A CN202010802943.1A CN202010802943A CN111908348A CN 111908348 A CN111908348 A CN 111908348A CN 202010802943 A CN202010802943 A CN 202010802943A CN 111908348 A CN111908348 A CN 111908348A
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- Prior art keywords
- arc
- piece
- hook
- gantry crane
- shaking
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
A gantry crane with an anti-shaking function comprises a supporting piece, a cross beam, a bearing seat, a connecting piece, a hook, a steel wire rope and an anti-shaking plate; the cross beam is transversely arranged and connected with the two supporting pieces; the steel wire rope is connected with the retraction mechanism and the hook; the anti-shaking plate is horizontally arranged and positioned between the connecting piece and the hook; two sides of the anti-sway plate are respectively provided with a connecting rope, an output shaft of the first driving device is provided with a rope winding piece, and the other ends of the two connecting ropes are respectively connected with the rope winding piece; the telescopic device is vertically arranged and connected with the anti-shaking plate and the connecting piece; the hook is provided with an arc-shaped groove and a slot, and the arc-shaped groove and the slot are positioned at two ends of the hook; one end of the arc locking rod is inserted into the arc groove, and the other end of the arc locking rod is inserted into the slot; the elastic piece is arranged in the arc-shaped groove. The invention not only can effectively prevent the steel wire rope from shaking in the use process, but also can effectively prevent the connecting rope on the goods from being separated from the hook, and has more stable operation process, high operation efficiency, excellent safety performance and convenient use.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a gantry crane with an anti-shaking function.
Background
The gantry crane is a gantry crane with a horizontal bridge frame arranged on two support legs to form a portal shape, and is mainly used for carrying and installing in open storage yards, docks, power stations, ports, railway freight stations and the like.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides the gantry crane with the anti-shaking function, which not only can effectively prevent a steel wire rope from shaking in the use process, but also can effectively prevent a connecting rope on goods from being separated from a hook, so that the operation process is more stable, the operation efficiency is high, the safety performance is excellent, and the gantry crane is convenient to use.
(II) technical scheme
The invention provides a gantry crane with an anti-shaking function, which comprises a supporting piece, a cross beam, a bearing seat, a connecting piece, a hook, a steel wire rope, an anti-shaking plate, a telescopic device, an arc-shaped locking rod, an elastic piece, an anti-skidding plate, a moving piece, a threaded column and a first moving rod, wherein the cross beam is arranged on the supporting piece;
the number of the bearing seats is two, the supporting pieces are vertically arranged on the bearing seats, and the cross beam is transversely arranged and connected with the two supporting pieces; the connecting piece is arranged on the cross beam, a retraction mechanism is arranged in the connecting piece, the hook is positioned below the connecting piece, and the steel wire rope is connected with the retraction mechanism and the hook; the anti-shaking plate is horizontally arranged and positioned between the connecting piece and the hook, and the middle part of the anti-shaking plate is provided with a rope through hole for the steel wire rope to pass through; two sides of the anti-sway plate are respectively provided with a connecting rope, a first driving device is arranged in the connecting piece, an output shaft of the first driving device is provided with a rope winding piece, and the other ends of the two connecting ropes are respectively connected with the rope winding piece; the telescopic device is vertically arranged and connected with the anti-shaking plate and the connecting piece;
the hook is provided with an arc-shaped groove and a slot, and the arc-shaped groove and the slot are positioned at two ends of the hook; one end of the arc locking rod is inserted into the arc groove, and the other end of the arc locking rod is inserted into the slot; the elastic piece is arranged in the arc-shaped groove and connected with the hook and the arc-shaped locking rod, and the arc-shaped locking rod is provided with a pull ring;
the bearing seat is provided with a second driving device, and the bottom of the bearing seat is provided with a roller; the threaded column is vertically arranged in the bearing seat and is rotationally connected with the bearing seat, and the output end of the second driving device is provided with a transmission shaft which is in transmission connection with the threaded column; a thread groove with an upward opening is vertically arranged on the movable member, and the thread column is in threaded connection with the movable member; the first movable rod is arranged on the movable piece and is in sliding connection with the bearing seat, and the antiskid plate is horizontally arranged on the movable piece and is positioned below the bearing seat.
Preferably, the connecting piece is provided with a sliding piece, the cross beam is provided with a sliding chute, a guide rod is arranged in the sliding chute, and the sliding piece is positioned in the sliding chute and is in sliding connection with the guide rod; and the cross beam is also provided with a hydraulic cylinder which extends into the sliding chute and acts on the sliding part.
Preferably, the front side and the rear side of the bearing seat are obliquely provided with reinforcing rods, and the other ends of the reinforcing rods are connected with the supporting piece.
Preferably, the two sides of the connecting piece are transversely provided with fixed rods, the tail ends of the fixed rods are provided with fixed pulleys, and the connecting ropes press the fixed pulleys.
Preferably, the telescopic device comprises a plurality of groups of connecting rods; a limiting groove with a downward opening is vertically arranged on the connecting rod, and the connecting rod positioned at the lower part is inserted into the limiting groove of the connecting rod positioned at the upper part; the connecting rod below is provided with a limiting block, and the limiting block is positioned in the limiting groove of the connecting rod above.
Preferably, the number of the telescopic devices is multiple groups and is distributed around the rope threading hole in an annular array.
Preferably, the arc-shaped locking rod is provided with a limiting disc, and the limiting disc is positioned in the arc-shaped groove.
Preferably, the first movable rod is vertically provided with a second movable rod, and the second movable rod downwards penetrates through the bearing seat and is connected with the antiskid plate.
Preferably, the transmission shaft is provided with a bevel gear, the threaded column is correspondingly provided with the bevel gear, and the two bevel gears are in meshing transmission connection.
Preferably, the bottom of the antiskid plate is uniformly provided with antiskid teeth.
The technical scheme of the invention has the following beneficial technical effects:
the arc-shaped locking rod is pulled by the pull ring to be not inserted into the slot any more, the elastic part is in a compressed state, the hook is used for hooking the connecting rope on the goods, the arc-shaped locking rod is loosened, the elastic part resets and pushes the arc-shaped locking rod, the other end of the arc-shaped locking rod is inserted into the slot to seal the opening of the hook, the connecting rope on the goods is prevented from being separated from the hook in the using process, and the use is safer;
the roller wheels are arranged, so that the gantry crane can be conveniently transported; the second driving device enables the threaded column to rotate circumferentially through the transmission shaft, so that the moving part moves vertically and downwards until the anti-skid plate tightly presses the ground, the sliding of the gantry crane in use is prevented, and the using process is more stable;
first drive arrangement makes the wiring piece rotate in order to realize receiving the rope operation, and then connects the rope through telescoping device and two and make and prevent shaking the board and carry out vertical direction motion, thereby can adjust the height of preventing shaking the board according to the height of couple, wire rope passes from preventing the wire rope handling hole on shaking the board, prevent shaking the board and be in the junction of wire rope and couple, prevent effectively that wire rope from rocking because inertia, operation stability and operating efficiency have been improved, the security has also been improved, excellent in use effect.
Drawings
Fig. 1 is a schematic structural view of a gantry crane with an anti-rolling function according to the present invention.
Fig. 2 is a schematic connection diagram of a connecting member, an anti-sway plate and a hook in a gantry crane with an anti-sway function according to the present invention.
FIG. 3 is a schematic structural diagram of a load-bearing seat of a gantry crane with an anti-sway function according to the present invention.
Fig. 4 is a schematic structural diagram of a hook in a gantry crane with an anti-sway function according to the present invention.
Fig. 5 is a schematic structural diagram of a telescopic device in a gantry crane with an anti-shaking function according to the present invention.
FIG. 6 is a schematic connection diagram (left view) of the supporting member, the carrying seat and the reinforcing rod of the gantry crane with the anti-rolling function according to the present invention.
Reference numerals: 1. a support member; 2. a cross beam; 3. a bearing seat; 4. a reinforcing bar; 5. a connecting member; 6. a slider; 7. a guide bar; 8. a hydraulic cylinder; 9. hooking; 10. a wire rope; 11. an anti-sloshing plate; 12. a telescoping device; 13. a stringing hole; 14. connecting ropes; 15. a rope winding member; 16. a first driving device; 17. fixing the rod; 18. a fixed pulley; 19. a connecting rod; 20. a limiting block; 21. a limiting groove; 22. an arc-shaped locking rod; 23. an arc-shaped slot; 24. an elastic member; 25. a pull ring; 26. a slot; 27. a roller; 28. an anti-skid plate; 29. anti-slip teeth; 30. a movable member; 31. a threaded post; 32. a first movable bar; 33. a second driving device; 34. a drive shaft; 35. a second movable bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the gantry crane with anti-sway function according to the present invention comprises a support member 1, a cross beam 2, a bearing base 3, a connecting member 5, a hook 9, a steel wire rope 10, an anti-sway plate 11, a telescopic device 12, an arc-shaped locking rod 22, an elastic member 24, an anti-sway plate 28, a movable member 30, a threaded column 31 and a first movable rod 32;
the number of the bearing seats 3 is two, the supporting pieces 1 are vertically arranged on the bearing seats 3, and the cross beam 2 is transversely arranged and connected with the two supporting pieces 1; the connecting piece 5 is arranged on the cross beam 2, a retraction mechanism is arranged in the connecting piece 5, the hook 9 is positioned below the connecting piece 5, and the steel wire rope 10 is connected with the retraction mechanism and the hook 9; the anti-shaking plate 11 is horizontally arranged and positioned between the connecting piece 5 and the hook 9, and the middle part of the anti-shaking plate 11 is provided with a rope through hole 13 for the steel wire rope 10 to pass through; two sides of the anti-sway plate 11 are respectively provided with a connecting rope 14, a first driving device 16 is arranged in the connecting piece 5, an output shaft of the first driving device 16 is provided with a rope winding piece 15, and the other ends of the two connecting ropes 14 are respectively connected with the rope winding piece 15; the telescopic device 12 is vertically arranged and connected with the anti-shaking plate 11 and the connecting piece 5; the number of the telescopic devices 12 is multiple and the telescopic devices are distributed around the rope threading hole 13 in an annular array;
the hook 9 is provided with an arc-shaped groove 23 and a slot 26, and the arc-shaped groove 23 and the slot 26 are positioned at two ends of the hook 9; one end of the arc locking rod 22 is inserted into the arc groove 23, and the other end is inserted into the slot 26; the elastic piece 24 is arranged in the arc-shaped groove 23 and connected with the hook 9 and the arc-shaped locking rod 22, and the arc-shaped locking rod 22 is provided with a pull ring 25;
the bearing seat 3 is provided with a second driving device 33, and the bottom of the bearing seat is provided with a roller 27; the threaded column 31 is vertically arranged in the bearing seat 3 and is rotationally connected with the bearing seat, the output end of the second driving device 33 is provided with a transmission shaft 34, and the transmission shaft 34 is in transmission connection with the threaded column 31; a thread groove with an upward opening is vertically arranged on the movable piece 30, and the thread column 31 is in threaded connection with the movable piece 30; the first movable rod 32 is disposed on the movable member 30 and slidably connected to the carrier 3, and the anti-slip plate 28 is disposed horizontally on the movable member 30 and below the carrier 3.
In an alternative embodiment, the connecting piece 5 is provided with a sliding piece 6, the cross beam 2 is provided with a sliding groove, a guide rod 7 is arranged in the sliding groove, and the sliding piece 6 is positioned in the sliding groove and is in sliding connection with the guide rod 7; the cross beam 2 is also provided with a hydraulic cylinder 8, and the hydraulic cylinder 8 extends into the sliding chute and acts on the sliding part 6. The sliding piece 6 is pushed and pulled by the hydraulic cylinder 8, the sliding piece 6 slides along the guide rod 7, and finally the transverse movement of the goods is realized.
In an alternative embodiment, the front and rear sides of the load-bearing seat 3 are provided with the reinforcing rods 4 obliquely, and the other ends of the reinforcing rods 4 are connected with the supporting member 1, which contributes to improving the stability of the gantry crane.
In an alternative embodiment, fixing rods 17 are transversely arranged on two sides of the connecting piece 5, fixed pulleys 18 are arranged at the tail ends of the fixing rods 17, the connecting rope 14 presses the fixed pulleys 18, and the fixed pulleys 18 play a role in guiding.
In an alternative embodiment, the telescopic device 12 comprises a plurality of sets of connecting rods 19; a limiting groove 21 with a downward opening is vertically arranged on the connecting rod 19, and the connecting rod 19 positioned at the lower part is inserted into the limiting groove 21 of the connecting rod 19 positioned at the upper part; the connecting rod 19 located at the lower part is provided with a limiting block 20, and the limiting block 20 is located in a limiting groove 21 of the connecting rod 19 located at the upper part.
In an alternative embodiment, the arc locking rod 22 is provided with a limiting disc, and the limiting disc is located in the arc groove 23 to perform a limiting function, which helps to prevent the arc locking rod 22 from separating from the hook 9.
In an alternative embodiment, the second movable rod 35 is vertically disposed on the first movable rod 32, and the second movable rod 35 downwardly passes through the bearing seat 3 and is connected to the anti-skid plate 28.
In an alternative embodiment, the transmission shaft 34 is provided with a bevel gear, the threaded column 31 is correspondingly provided with a bevel gear, and the two bevel gears are in meshed transmission connection.
In an alternative embodiment, the bottom of the anti-slip plate 28 is evenly provided with anti-slip teeth 29, which helps to improve the fixing effect on the gantry crane.
In the invention, when the hook is used, the arc-shaped locking rod 22 is pulled through the pull ring 25 so as to be not inserted into the slot 26 any more, the elastic part 24 is in a compressed state, the hook 9 is used for hooking a connecting rope (or a hanging ring) on a cargo, the arc-shaped locking rod 22 is loosened, the elastic part 24 is reset and pushes the arc-shaped locking rod 22, the other end of the arc-shaped locking rod 22 is inserted into the slot 26 so as to seal the opening of the hook 9, the separation of the connecting rope on the cargo from the hook 9 in the use process is prevented, and the use is safer;
the roller 27 is arranged, so that the gantry crane can be conveniently transported; the second driving device 33 enables the threaded column 31 to rotate circumferentially through the transmission shaft 34, so that the movable piece 30 moves vertically and downwards until the antiskid plate 28 tightly presses the ground, thereby being beneficial to preventing the gantry crane from sliding in use and being more stable in use;
the first driving device 16 rotates the rope winding member 15 to realize the rope winding operation, and then the anti-sway plate 11 moves in the vertical direction through the expansion device 12 and the two connecting ropes 14, so that the height of the anti-sway plate 11 can be adjusted according to the height of the hook 9, the anti-sway plate 11 is located at the joint of the steel wire rope 10 and the hook 9 (when the rope is released, the anti-sway plate 11 descends due to the self-gravity action, when the rope is wound, the connecting rope 14 pulls the anti-sway plate 11 to ascend), the steel wire rope 10 passes through the rope penetrating hole 13 in the anti-sway plate 11, the steel wire rope 10 is effectively prevented from shaking due to inertia, the operation stability and the operation efficiency are improved, the safety is also improved, and the using effect is excellent.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A gantry crane with an anti-shaking function is characterized by comprising a support piece (1), a cross beam (2), a bearing seat (3), a connecting piece (5), a hook (9), a steel wire rope (10), an anti-shaking plate (11), a telescopic device (12), an arc-shaped locking rod (22), an elastic piece (24), an anti-skidding plate (28), a movable piece (30), a threaded column (31) and a first movable rod (32);
the number of the bearing seats (3) is two, the supporting pieces (1) are vertically arranged on the bearing seats (3), and the cross beam (2) is transversely arranged and connected with the two supporting pieces (1); the connecting piece (5) is arranged on the cross beam (2), a retraction mechanism is arranged in the connecting piece (5), the hook (9) is positioned below the connecting piece (5), and the steel wire rope (10) is connected with the retraction mechanism and the hook (9); the anti-shaking plate (11) is horizontally arranged and positioned between the connecting piece (5) and the hook (9), and the middle part of the anti-shaking plate (11) is provided with a rope threading hole (13) for the steel wire rope (10) to pass through; two sides of the anti-sway plate (11) are respectively provided with a connecting rope (14), a first driving device (16) is arranged in the connecting piece (5), an output shaft of the first driving device (16) is provided with a rope winding piece (15), and the other ends of the two connecting ropes (14) are respectively connected with the rope winding piece (15); the telescopic device (12) is vertically arranged and connected with the anti-shaking plate (11) and the connecting piece (5);
the hook (9) is provided with an arc-shaped groove (23) and a slot (26), and the arc-shaped groove (23) and the slot (26) are positioned at two ends of the hook (9); one end of the arc locking rod (22) is inserted into the arc groove (23), and the other end is inserted into the slot (26); the elastic piece (24) is arranged in the arc-shaped groove (23) and is connected with the hook (9) and the arc-shaped locking rod (22), and the arc-shaped locking rod (22) is provided with a pull ring (25);
a second driving device (33) is arranged on the bearing seat (3), and a roller (27) is arranged at the bottom of the bearing seat; the threaded column (31) is vertically arranged in the bearing seat (3) and is rotationally connected with the bearing seat, the output end of the second driving device (33) is provided with a transmission shaft (34), and the transmission shaft (34) is in transmission connection with the threaded column (31); a thread groove with an upward opening is vertically arranged on the movable piece (30), and the thread column (31) is in threaded connection with the movable piece (30); the first movable rod (32) is arranged on the movable piece (30) and is connected with the bearing seat (3) in a sliding mode, and the anti-skid plate (28) is horizontally arranged on the movable piece (30) and is located below the bearing seat (3).
2. A gantry crane with anti-shaking function as claimed in claim 1, wherein the connecting member (5) is provided with a sliding member (6), the beam (2) is provided with a sliding slot, a guide rod (7) is arranged in the sliding slot, and the sliding member (6) is positioned in the sliding slot and is slidably connected with the guide rod (7); and a hydraulic cylinder (8) is further arranged on the cross beam (2), and the hydraulic cylinder (8) extends into the sliding groove and acts on the sliding part (6).
3. A gantry crane with anti-shaking function as claimed in claim 1, wherein the front and rear sides of the load-bearing base (3) are provided with reinforcement rods (4) in an inclined manner, and the other ends of the reinforcement rods (4) are connected with the support member (1).
4. A gantry crane with anti-shake function as claimed in claim 1, wherein fixing rods (17) are transversely arranged at both sides of the connecting member (5), the fixed rods (17) are provided with fixed pulleys (18) at their ends, and the connecting rope (14) presses the fixed pulleys (18).
5. A gantry crane with anti-shake function according to claim 1, wherein the telescopic means (12) comprise a plurality of sets of connecting rods (19); a limiting groove (21) with a downward opening is vertically arranged on the connecting rod (19), and the connecting rod (19) positioned at the lower part is inserted into the limiting groove (21) of the connecting rod (19) positioned at the upper part; a limiting block (20) is arranged on the connecting rod (19) positioned at the lower part, and the limiting block (20) is positioned in a limiting groove (21) of the connecting rod (19) positioned at the upper part.
6. A gantry crane with anti-sway function as claimed in claim 1, wherein the number of telescoping devices (12) is in groups and distributed in an annular array around the reeving hole (13).
7. A gantry crane with anti-shaking function as claimed in claim 1, wherein the arc-shaped locking rod (22) is provided with a limiting disc, and the limiting disc is positioned in the arc-shaped groove (23).
8. A gantry crane with anti-shake function as claimed in claim 1, wherein the first movable rod (32) is vertically provided with a second movable rod (35), and the second movable rod (35) passes through the bearing seat (3) and is connected with the anti-slip plate (28).
9. A gantry crane with anti-shaking function as claimed in claim 1, wherein the transmission shaft (34) is provided with bevel gears, the threaded column (31) is correspondingly provided with bevel gears, and the bevel gears are in meshed transmission connection.
10. A gantry crane with anti-shake function as claimed in claim 1, wherein the anti-slip teeth (29) are uniformly arranged on the bottom of the anti-slip plate (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802943.1A CN111908348A (en) | 2020-08-11 | 2020-08-11 | Gantry crane with anti-shaking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802943.1A CN111908348A (en) | 2020-08-11 | 2020-08-11 | Gantry crane with anti-shaking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111908348A true CN111908348A (en) | 2020-11-10 |
Family
ID=73284113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010802943.1A Withdrawn CN111908348A (en) | 2020-08-11 | 2020-08-11 | Gantry crane with anti-shaking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111908348A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213328A (en) * | 2021-04-30 | 2021-08-06 | 郑煤集团（河南）白坪煤业有限公司 | Hoisting mechanism for mining equipment |
| CN113526336A (en) * | 2021-07-29 | 2021-10-22 | 一汽解放汽车有限公司 | Automatic unhooking lifting appliance |
| CN116281574A (en) * | 2023-03-07 | 2023-06-23 | 张家港宏昌钢板有限公司 | Anti-drop device for crane lifting hook |
| CN117550492A (en) * | 2024-01-12 | 2024-02-13 | 河南中冶起重机集团有限公司 | Bridge crane of high stability |
| CN117944559A (en) * | 2024-03-27 | 2024-04-30 | 长春金马特种车有限公司 | Auxiliary type suspension load device for cargo transportation of mobile service vehicle |
-
2020
- 2020-08-11 CN CN202010802943.1A patent/CN111908348A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213328A (en) * | 2021-04-30 | 2021-08-06 | 郑煤集团（河南）白坪煤业有限公司 | Hoisting mechanism for mining equipment |
| CN113213328B (en) * | 2021-04-30 | 2022-08-02 | 郑煤集团（河南）白坪煤业有限公司 | Hoisting mechanism for mining equipment |
| CN113526336A (en) * | 2021-07-29 | 2021-10-22 | 一汽解放汽车有限公司 | Automatic unhooking lifting appliance |
| CN116281574A (en) * | 2023-03-07 | 2023-06-23 | 张家港宏昌钢板有限公司 | Anti-drop device for crane lifting hook |
| CN116281574B (en) * | 2023-03-07 | 2023-10-27 | 张家港宏昌钢板有限公司 | Anti-drop device for crane lifting hook |
| CN117550492A (en) * | 2024-01-12 | 2024-02-13 | 河南中冶起重机集团有限公司 | Bridge crane of high stability |
| CN117550492B (en) * | 2024-01-12 | 2024-04-05 | 河南中冶起重机集团有限公司 | Bridge crane of high stability |
| CN117944559A (en) * | 2024-03-27 | 2024-04-30 | 长春金马特种车有限公司 | Auxiliary type suspension load device for cargo transportation of mobile service vehicle |
| CN117944559B (en) * | 2024-03-27 | 2024-05-31 | 长春金马特种车有限公司 | Auxiliary type suspension load device for cargo transportation of mobile service vehicle |
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Application publication date: 20201110 |
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| WW01 | Invention patent application withdrawn after publication |