CN112357788A - Stepped hoisting system and method for heavy bridge crane - Google Patents
Stepped hoisting system and method for heavy bridge crane Download PDFInfo
- Publication number
- CN112357788A CN112357788A CN202011363566.2A CN202011363566A CN112357788A CN 112357788 A CN112357788 A CN 112357788A CN 202011363566 A CN202011363566 A CN 202011363566A CN 112357788 A CN112357788 A CN 112357788A
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- Prior art keywords
- lifting
- slope
- ladder
- stepped
- plate
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a stepped hoisting system and a hoisting method for a heavy bridge crane, which comprise a traveling chassis, a retracting slope, a stepped positioning structure and a stepped lifting structure; the advancing chassis comprises driving advancing wheels and a slope accommodating cabin; the driving travelling wheels are arranged on two sides of the travelling chassis along the equipment lifting direction; the plurality of step positioning structures correspond to the plurality of step lifting structures one by one; the ladder lifting structure is movably connected to the top of the travelling chassis through a ladder positioning structure, and the ladder lifting structure can adjust the placing distance through the ladder positioning structure; the ladder lifting structure can lift components such as an end beam of the crane and the like to a mounting position in a staged manner; the components such as the end beam of the crane and the like can be hoisted to the installation position in a staged manner through the ladder lifting structure, so that the requirement on the operation space is low; sliding friction is changed into rolling friction when the equipment parts pass through the inclined guide plate through the balls, and the conveying difficulty is reduced.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a stepped hoisting system and method for a heavy bridge crane.
Background
The traditional installation method of the heavy bridge crane adopts a large hydraulic crane to hoist by a single machine or a double machine, the hoisting requires a flat and wide field, the crane is convenient to stand, and the hoisting safety risk is high; because heavy bridge crane spare part weight is great, need longer davit and height when lifting by crane, need demolish roofing structure in order to satisfy the hoist and mount requirement even in addition, influence factory building structure's installation progress. Because a large hydraulic machine is adopted for hoisting, a wide parking space is needed, large equipment transported to the site cannot be placed in a centralized manner, and one piece needs to be hoisted and transported, so that a large amount of transportation work is increased. The dispatching of a large hoisting crane, the transportation of equipment, the removal of a roof and the like require a large amount of investment, and the cost is increased.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the stepped hoisting system and the stepped hoisting method for the heavy bridge crane, which can hoist heavy equipment in a limited space.
The technical scheme is as follows: in order to achieve the purpose, the invention discloses a stepped hoisting system and a hoisting method for a heavy bridge crane, which comprises a traveling chassis, a retracting slope, a stepped positioning structure and a stepped lifting structure; the advancing chassis comprises driving advancing wheels and a slope accommodating cabin; the driving travelling wheels are arranged on two sides of the travelling chassis along the equipment lifting direction; the retractable slope is connected with a driving device in the slope accommodating cabin, the driving device is in driving connection with the retractable slope, and the driving device can accommodate the retractable slope in the slope accommodating cabin; the plurality of step positioning structures correspond to the plurality of step lifting structures one by one; the ladder lifting structure is movably connected to the top of the travelling chassis through a ladder positioning structure, and the ladder lifting structure can adjust the placing distance through the ladder positioning structure; the ladder lifting structure can lift components such as a crane end beam and the like to an installation position in a staged mode.
Further, the retraction slope comprises a push-out plate and an inclined guide plate; one end of the push-out plate is connected with the driving device, and the other end of the push-out plate is rotatably connected with the inclined guide plate; when the driving device drives the retraction slope to move out of the slope accommodating cabin, the inclined guide plate automatically inclines under the action of gravity, and one end of the inclined guide plate falls on the ground.
Furthermore, the push-out plate is provided with a draw hook which is movably arranged in a hook groove of the push-out plate along the accommodating direction; the draw hook comprises a stopping hook and a lifting stop block; the stop hook corresponds to the stop hook on the inner wall of the slope accommodating cabin, and the lifting stop block corresponds to the supporting block of the inclined guide plate.
Further, the inclined guide plate comprises a ball, a ball rotating groove and a bottom groove; a plurality of rows of ball rotating grooves are formed in the bottom groove along the goods advancing direction, and the distance between every two rows of ball rotating grooves is increased in the goods advancing direction; the ball rotating groove is embedded with balls, and the balls are not clamped by the ball rotating groove and can freely rotate in the ball rotating groove; the notch of kerve is equipped with the apron, the apron corresponds every ball position department is equipped with the opening, the ball part exposes through the opening.
Further, the stepped positioning structure comprises a wedge-shaped guide block, a support frame and a guide wheel; the wedge-shaped guide block is embedded in a guide rail of the advancing chassis, the support frame is erected on the wedge-shaped guide block, and the guide wheels are rotatably arranged at two ends of the support frame; the guide wheels can rotate along the side wall of the inner groove of the traveling chassis.
Further, the step lifting structure comprises a lifting column, a step plate, a servo motor and a lifting arm; the engine is characterized in that the engine is fixedly connected with a stepped position adjusting structure, a stepped plate is arranged at the end part of the engine, the stepped plate is arranged along the length direction of goods, the servo motor is arranged at the end part of the stepped plate, and the servo motor is in driving connection with a lifting arm; the engine columns of the ladder lift delivery structures are increased along with the continuous lift delivery of the goods.
Further, the lifting and transferring arm comprises a hydraulic mechanism and a transferring and hanging arm; the extension length of the transferring and hanging arm can be changed through a hydraulic mechanism, and a lifting and transferring hook is arranged at the end part of the transferring and hanging arm; the lifting and transferring hook is provided with a suspension rod, and the suspension rods can be sequentially transferred in a reciprocating manner by the plurality of step lifting and transferring structures; the widths of the transferring and hanging arms of the two adjacent step lifting and transferring structures are staggered in the orthographic projection direction.
Further, the method comprises the following steps:
firstly, starting a driving device to push a retractable slope out of a slope accommodating cabin, enabling one inclined end of an inclined guide plate of the retractable slope to contact with the ground after the retractable slope is pushed out, and enabling a first-stage ladder delivery lifting structure to rotate a delivery lifting arm through a servo motor to fixedly lift goods on a suspension rod;
and step two, starting a servo motor of the first-stage ladder lifting and delivering structure to lift the goods to a position which can be reached by a lifting and delivering arm of the second-stage ladder lifting and delivering structure, transferring the suspension rod to a lifting and delivering hook of the lifting and delivering arm of the second-stage ladder lifting and delivering structure by the lifting and delivering arm of the first-stage ladder lifting and delivering structure, and repeating the steps until the goods are conveyed to a preset height position.
Has the advantages that: the step type hoisting system and method for the heavy bridge crane can hoist heavy equipment in a limited space, and include but are not limited to the following technical effects:
1) the components such as the end beam of the crane and the like can be hoisted to the installation position in a staged manner through the ladder lifting structure, so that the requirement on the operation space is low;
2) sliding friction is changed into rolling friction when the equipment parts pass through the inclined guide plate through the balls, and the conveying difficulty is reduced.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a view of the traveling chassis structure of the present invention;
FIG. 3 is a drawing of a retractable slope structure of the present invention;
FIG. 4 is a structural view of a slant guide of the present invention;
fig. 5 is a structural view of the step-adjusting structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached figures 1-5: a step type hoisting system for a heavy bridge crane comprises a traveling chassis 1, a retracting slope 2, a step positioning structure 3 and a step lifting structure 4; the traveling chassis 1 comprises driving traveling wheels 11 and a slope accommodating cabin 12; the driving travelling wheels 11 are arranged on two sides of the travelling chassis 1 along the equipment lifting direction; the retractable slope 2 is connected with a driving device 121 in the slope accommodating cabin 12, the driving device 121 is connected with the retractable slope 2 in a driving mode, and the retractable slope 2 can be accommodated in the slope accommodating cabin 12 through the driving device 121; the plurality of step positioning structures 3 correspond to the plurality of step lifting structures 4 one by one; the ladder lifting structure 4 is movably connected to the top of the travelling chassis 1 through the ladder positioning structure 3, and the ladder lifting structure 4 can adjust the placing distance through the ladder positioning structure 3; the ladder lifting structure 4 can lift components such as a crane end beam and the like to an installation position in a staged manner; when the equipment part is lifted, the advancing chassis 1 advances to a proper position, the ladder transfer structure 3 is adjusted according to the height of the rail beam of the plant to enable the ladder transfer structure 4 to reach a proper distance and a proper height, the hoisting work of the auxiliary equipment part of the retractable slope 2 is released, and finally the continuous lifting transfer of the ladder transfer structure 4 is carried to a specified position.
The retraction slope 2 comprises a push-out plate 21 and an inclined guide plate 22; one end of the push-out plate 21 is connected to the driving device 121, and the other end is rotatably connected to the inclined guide plate 22; when the driving device 121 drives the retraction slope 2 to move out of the slope accommodating chamber 12, the inclined guide plate 22 automatically inclines under the action of gravity, and one end of the inclined guide plate falls on the ground.
The ejector plate 21 is provided with a draw hook 211, and the draw hook 211 is movably arranged in a hook groove 212 of the ejector plate 21 along the accommodating direction; the draw hook 211 comprises a blocking hook 213 and a lifting block 214; the stopping hook 213 corresponds to the stopping hook 122 on the inner wall of the slope accommodating cabin 12, and the lifting stop 214 corresponds to the supporting block 221 of the slope guide plate 22; when the retractable slope 2 is pushed out, the stopping hook 213 of the drag hook 211 is stopped by the stopping hook 122, so that the drag hook 211 cannot move continuously along with the push-out plate 21, the lifting stop block 214 contacts the supporting block 221 of the moving inclined guide plate 22 to jack the supporting block 221 upwards, a certain supporting effect is provided for the inclined guide plate 22, and the equipment part is prevented from being damaged due to overweight when passing through the inclined guide plate 22.
The inclined guide plate 22 comprises a ball 222, a ball rotating groove 223 and a bottom groove 224; a plurality of rows of ball rotary grooves 223 are formed in the bottom groove 224 along the goods advancing direction, and the distance between every two rows of ball rotary grooves 223 increases in the goods advancing direction; the ball rolling groove 223 is embedded with a ball 222, and the ball 222 is not clamped by the ball rolling groove 223 and can freely rotate in the ball rolling groove 223; the notch of the bottom groove 224 is provided with a cover plate 225, the cover plate 225 is provided with an opening corresponding to each ball 222, and the ball 222 is partially exposed through the opening; the balls 222 change sliding friction of the equipment parts into rolling friction when the equipment parts pass through the inclined guide plate 22, so that the conveying difficulty is reduced; the density of the balls 222 is set to be higher because the contact area of the inclined guide plate 22 and the equipment is larger during the initial transportation, and then the density of the balls 222 can be reduced because the equipment is gradually lifted by the stepped lifting structure 4, so that the cost is saved.
The step positioning structure 3 comprises a wedge-shaped guide block 31, a support frame 32 and a guide wheel 33; the wedge-shaped guide block 31 is embedded in the guide rail 13 of the advancing chassis 1, the support frame 32 is erected on the wedge-shaped guide block 31, and the guide wheels 33 are rotatably arranged at two ends of the support frame 32; the guide wheels 33 are rotatable along the side walls of the inner tank 14 of the travelling chassis 1.
The step lift structure 4 comprises a lifting column 41, a step plate 42, a servo motor 43 and a lift arm 44; the lifting column 41 is fixedly connected to the step positioning structure 3, a step plate 42 is arranged at the end of the lifting column 41, the step plate 42 is arranged along the length direction of the goods, the servo motor 43 is arranged at the end of the step plate 42, and the servo motor 43 is in driving connection with a lifting arm 44; the engine columns 41 of the plurality of step lift delivery structures 4 are increased along with the continuous lift delivery of the goods; when the equipment is lifted by one step of the ladder lifting structure 4, the equipment can be temporarily placed on the ladder plate 42, so that a more stable environment is provided for the next step of the ladder lifting structure 4 to be butted; because the lifting radius is small, the required moment is relatively small, and therefore the arm length of the lifting arm 44 is shorter than that of a common boom, and the lifting arm is suitable for operation in a factory with limited space.
The lift arm 44 includes a hydraulic mechanism 441 and a transfer arm 442; the extension and retraction length of the hanging arm 442 can be changed by a hydraulic mechanism 441, and a lifting and transferring hook 443 is arranged at the end of the hanging arm 442; the lifting and transferring hook 443 is provided with a suspension rod 444, and the suspension rods 444 can be sequentially transferred in a reciprocating manner by the plurality of step lifting and transferring structures 4; the widths of the hanging transferring arms 442 of two adjacent step lifting structures 4 are staggered in the orthographic projection direction.
The method comprises the following steps:
firstly, starting a driving device 121 to push the retraction slope 2 out of the slope accommodating cabin 12, after the retraction slope 2 is pushed out, enabling one inclined end of an inclined guide plate 22 of the retraction slope 2 to touch the ground, and enabling a first-stage ladder delivery lifting structure 4 to rotate a delivery lifting arm 44 through a servo motor 43 to fixedly lift the goods on a suspension rod 444;
and step two, starting the servo motor 43 of the first-stage step lifting structure 4 to lift the goods to a position which can be reached by the lifting arm 44 of the second-stage step lifting structure 4, moving the suspension rod 444 to the lifting hook 443 of the lifting arm 44 of the second-stage step lifting structure 4 by the lifting arm 44 of the first-stage step lifting structure 4, and so on until the goods are conveyed to the preset height position.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (8)
1. A cascaded hoist and mount system for heavy bridge crane which characterized in that: comprises a traveling chassis (1), a retracting slope (2), a step positioning structure (3) and a step lifting structure (4); the travelling chassis (1) comprises a driving travelling wheel (11) and a slope accommodating cabin (12); the driving travelling wheels (11) are arranged on two sides of the travelling chassis (1) along the equipment lifting direction; the retractable slope (2) is connected with a driving device (121) in the slope accommodating cabin (12), the driving device (121) is connected with the retractable slope (2) in a driving mode, and the retractable slope (2) can be accommodated in the slope accommodating cabin (12) through the driving device (121); the plurality of step positioning structures (3) correspond to the plurality of step lifting structures (4) one by one; the ladder lifting structure (4) is movably connected to the top of the traveling chassis (1) through the ladder positioning structure (3), and the ladder lifting structure (4) can adjust the placing distance through the ladder positioning structure (3); the ladder lifting structure (4) can lift components such as a crane end beam and the like to an installation position in a staged mode.
2. The stepped hoist system for a heavy bridge crane of claim 1, wherein: the retraction slope (2) comprises a push-out plate (21) and an inclined guide plate (22); one end of the push-out plate (21) is connected with the driving device (121), and the other end of the push-out plate is rotatably connected with the inclined guide plate (22); when the driving device (121) drives the retractable slope (2) to move out of the slope accommodating cabin (12), the inclined guide plate (22) automatically inclines under the action of gravity, and one end of the inclined guide plate falls on the ground.
3. The stepped hoist system for a heavy bridge crane of claim 2, wherein: the ejector plate (21) is provided with a draw hook (211), and the draw hook (211) is movably arranged in a hook groove (212) of the ejector plate (21) along the accommodating direction; the draw hook (211) comprises a blocking hook (213) and a lifting block (214); the stop hook (213) corresponds to the stop hook (122) on the inner wall of the slope accommodating cabin (12), and the lifting stop block (214) corresponds to the supporting block (221) of the inclined guide plate (22).
4. The stepped hoist system for a heavy bridge crane of claim 2, wherein: the inclined guide plate (22) comprises a ball (222), a ball rotating groove (223) and a bottom groove (224); a plurality of rows of ball rotary grooves (223) are formed in the bottom groove (224) along the goods advancing direction, and the distance between every two rows of ball rotary grooves (223) is increased in the goods advancing direction; the ball rolling groove (223) is embedded with a ball (222), and the ball (222) is not clamped by the ball rolling groove (223) and can freely rotate in the ball rolling groove (223); the notch of the bottom groove (224) is provided with a cover plate (225), the position of the cover plate (225) corresponding to each ball (222) is provided with an opening, and part of the balls (222) is exposed through the openings.
5. The stepped hoist system for a heavy bridge crane of claim 1, wherein: the step positioning structure (3) comprises a wedge-shaped guide block (31), a support frame (32) and a guide wheel (33); the wedge-shaped guide block (31) is embedded in a guide rail (13) of the advancing chassis (1), the support frame (32) is erected on the wedge-shaped guide block (31), and the guide wheels (33) are rotatably arranged at two ends of the support frame (32); the guide wheel (33) can rotate along the side wall of the inner groove (14) of the traveling chassis (1).
6. The stepped hoist system for a heavy bridge crane of claim 1, wherein: the step lifting structure (4) comprises a lifting column (41), a step plate (42), a servo motor (43) and a lifting arm (44); the lifting column (41) is fixedly connected to the step positioning structure (3), a step plate (42) is arranged at the end of the lifting column (41), the step plate (42) is placed along the length direction of goods, the servo motor (43) is arranged at the end of the step plate (42), and the servo motor (43) is in driving connection with a lifting arm (44); the engine columns (41) of the plurality of step lifting and delivering structures (4) are increased along with the continuous lifting and delivering of the goods.
7. The stepped hoist system for a heavy bridge crane of claim 6, wherein: the lifting and transferring arm (44) comprises a hydraulic mechanism (441) and a transferring and hanging arm (442); the extension and retraction length of the transferring and hanging arm (442) can be changed through a hydraulic mechanism (441), and a lifting and transferring hook (443) is arranged at the end part of the transferring and hanging arm (442); the lifting and transferring hook (443) is provided with a suspension rod (444), and the suspension rods (444) can be sequentially transferred in a reciprocating manner by the plurality of step lifting and transferring structures (4); the widths of the transferring and hanging arms (442) of two adjacent step lifting and transferring structures (4) are staggered in the orthographic projection direction.
8. A hoisting method of a stepped hoisting system for a heavy bridge crane according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
firstly, starting a driving device (121) to push a retractable slope (2) out of a slope accommodating cabin (12), after the retractable slope is pushed out, the inclined end of an inclined guide plate (22) of the retractable slope (2) is contacted with the ground, and a first-stage ladder lifting and delivering structure (4) rotates a lifting and delivering arm (44) through a servo motor (43) to fixedly lift and deliver goods to a suspension rod (444);
and step two, starting a servo motor (43) of the first-stage step lifting and delivering structure (4) to lift the goods to a position which can be reached by a lifting and delivering arm (44) of the second-stage step lifting and delivering structure (4), transferring the suspension rod (444) to a lifting and delivering hook (443) of the lifting and delivering arm (44) of the second-stage step lifting and delivering structure (4) by the lifting and delivering arm (44) of the first-stage step lifting and delivering structure (4), and so on until the goods are conveyed to a preset height position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363566.2A CN112357788A (en) | 2020-11-27 | 2020-11-27 | Stepped hoisting system and method for heavy bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363566.2A CN112357788A (en) | 2020-11-27 | 2020-11-27 | Stepped hoisting system and method for heavy bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112357788A true CN112357788A (en) | 2021-02-12 |
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ID=74535443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011363566.2A Withdrawn CN112357788A (en) | 2020-11-27 | 2020-11-27 | Stepped hoisting system and method for heavy bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112357788A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659607A (en) * | 2022-03-14 | 2022-06-24 | 安徽伽马莱恩智能科技有限公司 | Electronic scale for dining room to easily feed materials from top to bottom |
-
2020
- 2020-11-27 CN CN202011363566.2A patent/CN112357788A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659607A (en) * | 2022-03-14 | 2022-06-24 | 安徽伽马莱恩智能科技有限公司 | Electronic scale for dining room to easily feed materials from top to bottom |
| CN114659607B (en) * | 2022-03-14 | 2024-04-30 | 安徽伽马莱恩智能科技有限公司 | Electronic scale for dining hall with easy up-down food materials |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210212 |
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| WW01 | Invention patent application withdrawn after publication |