CN117105083A - Crane pulley beam and crane - Google Patents
Crane pulley beam and crane Download PDFInfo
- Publication number
- CN117105083A CN117105083A CN202311152228.8A CN202311152228A CN117105083A CN 117105083 A CN117105083 A CN 117105083A CN 202311152228 A CN202311152228 A CN 202311152228A CN 117105083 A CN117105083 A CN 117105083A
- Authority
- CN
- China
- Prior art keywords
- supporting
- fixedly connected
- frame
- main beam
- hoist
- 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.)
- Pending
Links
- 230000008093 supporting effect Effects 0.000 claims abstract description 74
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
- B66C11/06—Underhung trolleys running on monorails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a crane pulley beam and a crane, which comprise a main beam, wherein a supporting component capable of walking is arranged on the surface of the main beam, the crane pulley beam is characterized in that a through groove is formed in the main beam in a penetrating manner, a hoisting frame is hoisted below the supporting component, a servo motor is fixedly connected to the bottom of the hoisting frame, the supporting component is arranged on the surface of the main beam, the supporting plate is limited by a connecting shaft, so that a roller can roll on the surface of the main beam, the position of the hoisting frame is adjusted, the upper supporting plate and the lower supporting plate are connected through the connecting plate, the connecting plate can play a role of supporting the supporting plate at the moment, so that the roller can be prevented from skidding on the surface of the main beam, a certain supporting effect can be achieved on the main beam, the possibility of bending of the main beam is reduced, and in the mode, the durability of the main beam can be improved while the quality of the main beam is reduced.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a crane pulley beam and a crane.
Background
The crane is a device for moving heavy objects in a vertical or horizontal direction, and is widely applied to the fields of industry, construction, traffic and the like. The crane is generally composed of a bracket, an operating mechanism, a lifting mechanism, a slewing mechanism, an amplitude changing mechanism and the like. The hoisting mechanism is a core part of the crane and mainly comprises a steel wire rope, a pulley block, a winding drum, a brake and the like.
Chinese patent discloses an improved crane pulley beam (publication No. CN 217229985U), which is provided with a plurality of weight-reducing through holes horizontally equidistantly from one side to the other side between the upper and lower side walls of the pulley beam body, and performs weight reduction, but the surface of the pulley beam is perforated, although weight reduction can be performed, in the process of lifting the goods, the main beam bears all the gravity at this time and is concentrated over the lifting hook, and the bearing capacity of the main beam is reduced by perforating the main beam, which is likely to cause the main beam to be completely.
Disclosure of Invention
The invention aims to provide a crane pulley beam and a crane, wherein a supporting component is arranged on the surface of a main beam, a supporting plate is limited by a connecting shaft, so that a roller can roll on the surface of the main beam, the position of a lifting frame is adjusted, an upper supporting plate and a lower supporting plate are connected through a connecting plate, the connecting plate can play a role of supporting the supporting plates, the roller can be prevented from skidding on the surface of the main beam, the main beam can be supported to a certain extent, the possibility of bending of the main beam is reduced, and in the above way, the quality of the main beam can be reduced, and meanwhile, the durability of the main beam can be improved.
The aim of the invention can be achieved by the following technical scheme:
the pulley beam of the crane comprises a main beam, wherein a supporting component capable of walking is arranged on the surface of the main beam, a through groove is formed in the main beam in a penetrating manner, a hoisting frame is hoisted below the supporting component, a servo motor is fixedly connected to the bottom of the hoisting frame, a steel wire roller is fixedly connected to the bottom of the hoisting frame and positioned on one side of the servo motor, the output end of the servo motor is fixedly connected with one side of the steel wire roller, and a pulley component is arranged on the front surface of the hoisting frame;
the supporting component comprises four supporting plates located on the front face and the back face of a main beam, two connecting shafts are fixedly connected between one sides of the supporting plates, one side of each supporting plate is rotationally connected with a roller, the surface of each roller is in rolling connection with the inner surface of the main beam, the supporting plates are located below, hanging plates are fixedly connected to the two sides of the surface of each connecting shaft and used for hanging frames, one side of each supporting plate is fixedly connected with a supporting frame, the top of each supporting frame is fixedly connected with a driving motor for driving each roller to rotate, and a connecting plate is arranged between the upper supporting plate and the lower supporting plate.
The movable screw rod is arranged between two opposite sides of the connecting plate in a penetrating manner, the surface of the movable screw rod is in sliding connection with the inner surface of the penetrating groove, the surface of the movable screw rod is fixedly connected with a supporting roller, the supporting roller is in rolling connection with the inner surface of the main beam, and two ends of the movable screw rod are respectively in threaded connection with a limit nut.
As a further scheme of the invention: the pulley assembly comprises an upper hanging frame, a lower hanging frame and a steel wire rope, wherein the upper hanging frame, the lower hanging frame and the steel wire rope are located on the front face of the hanging frame and used for controlling the lower hanging frame to lift, fixing clamps are fixedly connected to the two sides of the upper hanging frame, a first shaft body is arranged on one side of the upper hanging frame in a penetrating mode, fixed pulleys are connected to the two sides of the surface of the first shaft body in a rotating mode, a second shaft body is arranged on one side of the lower hanging frame in a penetrating mode, three movable pulleys are connected to the surface of the second shaft body in a rotating mode, and the steel wire rope is arranged on the surfaces of the fixed pulleys and the movable pulleys.
As a further scheme of the invention: the steel wire ropes are wound on the surfaces of the movable pulley and the fixed pulley in a staggered manner.
As a further scheme of the invention: one end of the steel wire rope is wound on the surface of the steel wire roller, and the other end of the steel wire rope is fixedly connected with a rotating buckle which is rotationally connected with the front surface of the hoisting frame.
The invention also discloses a crane, which comprises a main beam, wherein the surface of the main beam is provided with a supporting component capable of walking, a through groove is formed in the main beam in a penetrating manner, a hoisting frame is hoisted below the supporting component, the bottom of the hoisting frame is fixedly connected with a servo motor, the bottom of the hoisting frame is fixedly connected with a steel wire roller at one side of the servo motor, the output end of the servo motor is fixedly connected with one side of the steel wire roller, and the front surface of the hoisting frame is provided with a pulley component.
The invention has the beneficial effects that:
1. according to the invention, the supporting component is arranged on the surface of the main beam, the connecting shaft is used for limiting the supporting plates, so that the roller can roll on the surface of the main beam, the position of the lifting frame is adjusted, the upper supporting plate and the lower supporting plate are connected through the connecting plate, the connecting plate can play a role of supporting the supporting plates, the roller can be prevented from skidding on the surface of the main beam, a certain supporting effect can be achieved on the main beam, the possibility of bending the main beam is reduced, and in sum, the durability of the main beam can be improved while the quality of the main beam is reduced.
2. According to the invention, the upper hanging frame is fixed on the hanging frame, two fixed pulleys are arranged in the upper hanging frame, and three movable pulleys are arranged in the lower hanging frame, so that when the steel wire drum unwinds the steel wire rope, the steel wire rope is wound on the surfaces of the three movable pulleys, and compared with the condition that one rope in the prior art is greatly stressed and broken, the safety of the steel wire rope can be further improved through the structure.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic side cross-sectional view of the main beam of the present invention;
fig. 3 is a partial structural cross-sectional view of the pulley assembly of the present invention.
In the figure: 1. a main beam; 2. a through groove; 3. a support assembly; 30. a driving motor; 31. a support plate; 32. a connecting shaft; 33. a roller; 34. a connecting plate; 35. moving the screw; 36. a support roller; 37. a limit nut; 38. a hanging plate; 39. a support frame; 4. hoisting the frame; 5. a servo motor; 6. a wire drum; 7. a pulley assembly; 71. a fixing clamp; 72. a hanging bracket is arranged; 73. a first shaft body; 74. a fixed pulley; 75. a lower hanging bracket; 76. a second shaft body; 77. a movable pulley; 78. a wire rope; 79. and (5) rotating the buckle.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the invention discloses a crane pulley beam, which comprises a main beam 1, wherein a supporting component 3 capable of walking is arranged on the surface of the main beam 1, a through groove 2 is formed in the main beam 1 in a penetrating manner, the quality of the main beam 1 can be reduced by starting to penetrate through the groove 2, the center of the main beam 1 is hollow, a hoisting frame 4 is hoisted below the supporting component 3, the bottom of the hoisting frame 4 is fixedly connected with a servo motor 5, the bottom of the hoisting frame 4 is fixedly connected with a steel wire roller 6 at one side of the servo motor 5, the output end of the servo motor 5 is fixedly connected with one side of the steel wire roller 6, and the front surface of the hoisting frame 4 is provided with a pulley component 7;
in order to ensure that the main beam 1 cannot bend when small-sized cargoes are hoisted, the supporting component 3 comprises four supporting plates 31 positioned on the front surface and the back surface of the main beam 1, a connecting shaft 32 is fixedly connected between one side of each supporting plate 31, rollers 33 are rotatably connected to one side of each supporting plate 31, the surfaces of the rollers 33 are in rolling connection with the inner surfaces of the main beam 1, hoisting plates 38 for hoisting the hoisting frame 4 are fixedly connected to two sides of the surface of each connecting shaft 32 positioned below, a supporting frame 39 is fixedly connected to one side of each supporting plate 31 positioned on the back surface, a driving motor 30 for driving the rollers 33 to rotate is fixedly connected to the top of each supporting frame 39, connecting plates 34 are arranged between the upper supporting plate 31 and the lower supporting plate 31 which are opposite, the connecting plates 34 can play a role of propping, a certain supporting force is provided for the main beam 1, moving screws 35 are arranged between one side of each two opposite sides of each connecting plate 34 in a penetrating manner, the surfaces of the moving screws 35 are in sliding connection with the inner surfaces of the penetrating grooves 2, supporting rollers 36 are fixedly connected to the surfaces of the moving screws 35, when the supporting rollers 36 walk, the supporting rollers 36 can also play a role of supporting the inner surfaces of the supporting rollers 36 are connected to the inner surfaces of the main beam 37, and the moving nuts 37 are connected to the inner surfaces of the moving screws 37.
In order to improve stability when lifting cargoes, the pulley assembly 7 comprises an upper hanging bracket 72 positioned on the front surface of the lifting frame 4, a lower hanging bracket 75 and a steel wire rope 78 for controlling the lower hanging bracket 75 to lift, wherein the front surface of the lifting frame 4 is fixedly connected with a fixing clamp 71 positioned on two sides of the upper hanging bracket 72, one side of the upper hanging bracket 72 is penetrated and provided with a first shaft body 73, two sides of the surface of the first shaft body 73 are rotatably connected with a fixed pulley 74, one side of the lower hanging bracket 75 is penetrated and provided with a second shaft body 76, the surface of the second shaft body 76 is rotatably connected with three movable pulleys 77, the steel wire rope 78 is arranged on the surfaces of the fixed pulleys 74 and the movable pulleys 77, the steel wire rope 78 is wound on the surfaces of the movable pulleys 77 and the fixed pulleys 74 in a staggered manner, one end of the steel wire rope 78 is wound on the surface of the steel wire drum 6, the other end of the steel wire rope 78 is fixedly connected with a rotating buckle 79, and the rotating buckle 79 is rotatably connected with the front surface of the lifting frame 4.
One embodiment of the crane of the present invention includes a bracket and a crane pulley beam, and the bracket structure is the same as that of the prior art, and will not be described in detail herein.
The working principle of the invention is as follows: the driving motor 30 is started to rotate, so that the roller 33 can be driven to rotate, the supporting plate 31 and the connecting shaft 32 move on the surface of the main beam 1, the supporting roller 36 on the moving screw 35 also rolls on the inner portion of the main beam 1, the moving screw 35 slides on the surface of the through groove 2, the position of the lifting frame 4 is further adjusted due to the connection relation between the lifting plate 38 and the lifting frame 4, when lifting is needed, the servo motor 5 on the lifting frame 4 is started to rotate to drive the steel wire roller 6 to rotate, the steel wire rope 78 is unreeled, the lower lifting frame 75 at the moment drops under the action of gravity, then the lifting hook is hung on a lifted object, at the moment, the lifting frame 4 is started to reversely rotate to wind the steel wire rope 78 on the surface of the steel wire roller 6, at the moment, the steel wire rope 78 slides on the inner surfaces of the movable pulley 77 and the first shaft 73, and the lower lifting frame 75 is lifted upwards.
The foregoing describes one embodiment of the present invention in detail, but the disclosure is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (6)
1. The utility model provides a hoist pulley beam, includes girder (1), the surface of girder (1) is provided with supporting component (3) that can walk, a serial communication port, run through on girder (1) and seted up run through groove (2), hoist and mount in the below of supporting component (3) have hoist and mount frame (4), the bottom fixedly connected with servo motor (5) of hoist and mount frame (4), the bottom of hoist and mount frame (4) just is located one side fixedly connected with wire cylinder (6) of servo motor (5), one side fixed connection of the output and wire cylinder (6) of servo motor (5), the front of hoist and mount frame (4) is provided with pulley assembly (7);
the supporting component (3) comprises four supporting plates (31) located on the front side and the back side of the main beam (1), two connecting shafts (32) are fixedly connected between one sides, opposite to the supporting plates (31), of each supporting plate (31), rollers (33) are rotatably connected to one sides of the supporting plates (31), the surfaces of the rollers (33) are in rolling connection with the inner surfaces of the main beam (1), lifting plates (38) for lifting the lifting frames (4) are fixedly connected to two sides of the surfaces of the connecting shafts (32) and located below, supporting frames (39) are fixedly connected to one sides of the supporting plates (31) and fixedly connected to the tops of the supporting frames (39), driving motors (30) for driving the rollers (33) to rotate are fixedly connected to the tops of the supporting frames (39), and connecting plates (34) are arranged between the upper supporting plates (31) and the lower opposite supporting plates.
2. The crane pulley beam according to claim 1, wherein a movable screw rod (35) is arranged between two opposite sides of the connecting plates (34) in a penetrating manner, the surface of the movable screw rod (35) is in sliding connection with the inner surface of the penetrating groove (2), a supporting roller (36) is fixedly connected with the surface of the movable screw rod (35), the supporting roller (36) is in rolling connection with the inner surface of the main beam (1), and limit nuts (37) are in threaded connection with two ends of the movable screw rod (35).
3. The crane pulley beam according to claim 1, wherein the pulley assembly (7) comprises an upper hanging frame (72) located on the front surface of the lifting frame (4), a lower hanging frame (75) and a steel wire rope (78) for controlling the lower hanging frame (75) to lift, the front surface of the lifting frame (4) and two sides located on the upper hanging frame (72) are fixedly connected with fixing clamps (71), one side of the upper hanging frame (72) is penetrated and provided with a first shaft body (73), two sides of the surface of the first shaft body (73) are rotatably connected with fixed pulleys (74), one side of the lower hanging frame (75) is penetrated and provided with a second shaft body (76), the surface of the second shaft body (76) is rotatably connected with three movable pulleys (77), and the steel wire rope (78) is arranged on the surfaces of the fixed pulleys (74) and the movable pulleys (77).
4. A crane pulley beam according to claim 3, characterized in that the wire ropes (78) are wound alternately around the surfaces of the travelling block (77) and the fixed block (74).
5. A crane pulley beam according to claim 4, characterized in that one end of the wire rope (78) is wound on the surface of the wire drum (6), while the other end of the wire rope (78) is fixedly connected with a rotating buckle (79), said rotating buckle (79) being rotatably connected with the front surface of the hoisting frame (4).
6. The utility model provides a hoist, its characterized in that, includes girder (1), the surface of girder (1) is provided with supporting component (3) that can walk, run through on girder (1) and seted up run through groove (2), hoist and mount have hoist and mount frame (4) in the below of supporting component (3), the bottom fixedly connected with servo motor (5) of hoist and mount frame (4), the bottom of hoist and mount frame (4) just is located one side fixedly connected with steel wire cylinder (6) of servo motor (5), one side fixed connection of the output and steel wire cylinder (6) of servo motor (5), the front of hoist and mount frame (4) is provided with pulley assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311152228.8A CN117105083A (en) | 2023-09-07 | 2023-09-07 | Crane pulley beam and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311152228.8A CN117105083A (en) | 2023-09-07 | 2023-09-07 | Crane pulley beam and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117105083A true CN117105083A (en) | 2023-11-24 |
Family
ID=88794631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311152228.8A Pending CN117105083A (en) | 2023-09-07 | 2023-09-07 | Crane pulley beam and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117105083A (en) |
-
2023
- 2023-09-07 CN CN202311152228.8A patent/CN117105083A/en active Pending
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