CN113911959A - Crane for building construction - Google Patents
Crane for building construction Download PDFInfo
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- CN113911959A CN113911959A CN202111115594.7A CN202111115594A CN113911959A CN 113911959 A CN113911959 A CN 113911959A CN 202111115594 A CN202111115594 A CN 202111115594A CN 113911959 A CN113911959 A CN 113911959A
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- gear
- protection plate
- fixedly connected
- bearing plate
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- 238000009435 building construction Methods 0.000 title abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 238000010276 construction Methods 0.000 claims description 13
- 239000002994 raw material Substances 0.000 description 99
- 238000000034 method Methods 0.000 description 20
- 230000005484 gravity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a crane for building construction in the technical field of building construction, which comprises a bearing plate, wherein a first protection plate is respectively rotatably and slidably connected to the front side wall and the rear side wall of the bearing plate, and a second protection plate is respectively rotatably connected to the left side wall and the rear side wall of the bearing plate; the lower side wall of the bearing plate is fixedly connected with a plurality of support columns; a movable plate is arranged below the bearing plate and is connected to a plurality of support columns in a sliding manner, and a plurality of first springs for resetting the movable plate are sleeved on the support columns; the movable plate and the bearing plate are provided with a first driving mechanism and a second driving mechanism together; the bearing plate is provided with a self-locking mechanism; the self-locking mechanism is used for limiting the second protection plate after the second protection plate rotates to a vertical state; the invention can realize the purposes of preventing objects from falling from the air and facilitating assembly and disassembly.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a crane for building construction.
Background
The building industry in China is developed vigorously, some construction projects pursue the construction period of the projects at a glance, and neglect to do necessary and effective protective measures on the site of the construction facilities, so that construction safety accidents often occur, and the benefit of construction units is greatly reduced; among a plurality of building safety accidents, the most common safety accident is caused by hitting constructors by falling objects, so that the dangerous performance of the falling objects is strictly controlled in the construction, and the incidence rate of the building safety accidents is effectively reduced.
In a building site, raw materials are conveyed at high altitude, and the raw materials are generally carried by metal plates without falling prevention on the periphery, so that the raw materials are convenient for workers to load and unload the raw materials, but when the raw materials are conveyed at high altitude, the raw materials are easy to fall off at high altitude in windy weather, and life danger is caused to people on the ground; if the loading board that is provided with the guard plate that prevents the raw materials and drop all around in the adoption, though can make the raw materials not receive the influence of strong wind in high altitude transportation, the loading board that is provided with the guard plate is unfavorable for the workman to the loading and unloading of raw materials, consequently can consume a large amount of manpower and materials.
Based on the above, the invention designs a building construction crane to solve the problems.
Disclosure of Invention
The invention aims to provide a crane for building construction, which aims to solve the problems that in the background technology, raw materials are generally conveyed at high altitude in a building site, and the raw materials are borne by a metal plate without falling prevention on the periphery; if adopt and be provided with the loading board of the guard plate that prevents the raw materials and drop all around, though can make the raw materials not receive the influence of strong wind in high altitude transportation, the loading board that is provided with the guard plate is unfavorable for the workman to the loading and unloading of raw materials, consequently can consume the problem of a large amount of manpower and materials.
In order to achieve the purpose, the invention provides the following technical scheme: a crane for building construction comprises a bearing plate, wherein a first protection plate is respectively rotatably and slidably connected to the front side wall and the rear side wall of the bearing plate, and a second protection plate is respectively rotatably connected to the left side wall and the rear side wall of the bearing plate; the lower side wall of the bearing plate is fixedly connected with a plurality of support columns; a movable plate is arranged below the bearing plate and is connected to a plurality of support columns in a sliding manner, and a plurality of first springs for resetting the movable plate are sleeved on the support columns; the movable plate and the bearing plate are jointly provided with a first driving mechanism and a second driving mechanism, and the first driving mechanism and the second driving mechanism are respectively used for driving the first protection plate and the second protection plate to rotate upwards while the movable plate moves upwards; the bearing plate is provided with a self-locking mechanism; the self-locking mechanism is used for limiting the second protection plate after the second protection plate rotates to a vertical state;
as a further aspect of the present invention, the first driving mechanism includes a first rack bar and a first elastic telescopic bar, and the first rack bar is fixedly connected to a lower side wall of the bearing plate; a first gear capable of being meshed with the first rack rod is arranged in front of the first rack rod, the first gear is rotatably connected to the upper end face of the moving plate, a grooved pulley is fixedly connected to a rotating shaft of the first gear, a traction rope is fixedly connected to the grooved pulley, and the other end of the traction rope is fixedly connected to the first elastic telescopic rod; the first elastic telescopic rod is rotatably connected to the upper end face of the moving plate, and the other end of the first elastic telescopic rod is rotatably connected to the first protection plate.
As a further aspect of the present invention, the second driving mechanism includes a second rack bar, and the second rack bar is fixedly connected to the upper end surface of the moving plate; a second gear capable of being meshed with the second rack rod is arranged on the side edge of the second rack rod, and the second gear is rotatably connected to the bearing plate; and a third gear meshed with the second gear is arranged on the side edge of the second gear, and the third gear is fixedly connected to the rotating shaft of the second protection plate.
According to a further scheme of the invention, the self-locking mechanism comprises a wedge block and a sliding frame third rack rod, the wedge block is fixedly connected to the rear side wall of the second rack rod, and the sliding frame is connected to the lower end face of the bearing plate in a sliding mode; a second spring for resetting the sliding frame is arranged on the rear side wall of the sliding frame; the third rack rod is connected to the sliding frame in a sliding mode in the left-right direction; a fourth gear and a fifth gear which can be meshed with the third rack rod are arranged above the third rack rod, the fourth gear is fixedly connected to a rotating shaft of a right second protection plate, and the fifth gear is rotatably connected to a bearing plate; and a sixth gear meshed with the fifth gear is arranged on the side edge of the fifth gear, and the sixth gear is fixedly connected to the rotating shaft of the left second protection plate.
As a further aspect of the present invention, the rear side wall of the third rack bar is fixedly connected with first teeth distributed at equal intervals, a seventh gear is arranged at the rear side of the third rack bar, the seventh gear is rotatably connected to the bearing plate, and the seventh gear can be meshed with the first teeth; a first connecting rod and a second connecting rod are rotatably connected to a rotating shaft of the seventh gear, the first connecting rod and the second connecting rod are both connected to the bearing plate in a sliding mode, and the other ends of the first connecting rod and the second connecting rod are respectively rotatably connected with a first T-shaped push rod and a second T-shaped push rod; and the rotating shafts of the first T-shaped push rod and the second T-shaped push rod are respectively sleeved with a first torsion spring and a second torsion spring for resetting.
As a further scheme of the invention, the first protection plate is provided with a T-shaped groove corresponding to the first T-shaped push rod and the second T-shaped push rod.
As a further scheme of the invention, the plurality of support columns are fixedly connected with stop blocks, the upper end surfaces of the stop blocks are contacted with the bottom of the moving plate, and the bottom surfaces of the plurality of support columns are fixedly connected with round table bodies.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the bearing plate, the moving plate, the self-locking mechanism, the first protection plate, the second protection plate, the first driving mechanism and the second driving mechanism, one side of the first protection plate and one side of the second protection plate are in contact with the ground in an initial state, and the other side of the first protection plate and the other side of the second protection plate are in rotary connection with the side wall of the bearing plate; the loading and unloading worker can push the raw material onto the bearing plate through the cart through the first protection plate or the second protection plate to unload the raw material, and the first protection plate and the second protection plate are convenient for loading and unloading the raw material; after raw materials to be conveyed are placed on a bearing plate, an external driving device is started to drive a movable plate to move upwards, the movable plate moves upwards to drive a second driving mechanism to enable a second protection plate to rotate to be in a vertical state, the second driving mechanism drives a self-locking mechanism to fixedly lock the second protection plate in the vertical state, the second driving mechanism drives the self-locking mechanism to lock the second protection plate in the vertical state immediately after the second protection plate rotates to be in the vertical state, the stability of the second protection plate in the working process is improved, and meanwhile the raw materials placed on two sides of the bearing plate are clamped; the external driving equipment enables the movable plate to continue to move upwards, the movable plate drives the first driving mechanism to enable the first protection plate to rotate to a vertical state again, and after the first protection plate rotates to the vertical state, the first driving mechanism continuously applies external force to the first protection plate under the combined action of the bearing plate and the external driving equipment, so that the first protection plate moves horizontally and continuously clamps the raw material and the second protection plate, the raw material can be prevented from shaking in the transportation process, the damage amount of the raw material in the transportation process is reduced, the safety factor of the raw material in high-altitude transportation is greatly improved, the risk of falling of the raw material in high altitude is avoided, and the purpose of safely transporting the raw material is achieved; after the raw materials are conveyed to the designated position, the first spring enables the moving plate to move downwards, and simultaneously drives the first driving mechanism and the second driving mechanism to enable the first protection plate and the second protection plate to rotate reversely until the first protection plate and the second protection plate rotate to the initial positions, so that the next work can be conveniently carried out, and the processes are sequentially circulated; the first protection plate and the second protection plate cancel clamping of the raw materials when the movable plate moves downwards, a power source is not needed in the whole process, the raw materials are clamped through the gravity of the bearing plate and the raw materials, the movable plate moves downwards through the first spring, the raw materials are loosened, manual operation is not needed in the whole process of clamping and loosening the raw materials, manpower is greatly saved, and automation can be achieved to the maximum degree.
2. According to the invention, through the arrangement of the moving plate, the T-shaped groove, the self-locking mechanism, the first connecting rod, the second connecting rod, the first T-shaped push rod, the second T-shaped push rod, the first torsion spring, the second torsion spring, the seventh gear and the first tooth, an external driving device drives the moving plate to move upwards, the moving plate drives the second driving mechanism to enable the second protection plate to rotate to a vertical state, the second driving mechanism drives the self-locking mechanism to enable the second protection plate to be stably in the vertical state, the moving plate drives the first driving mechanism to enable the first protection plate to rotate to the vertical state, and the first T-shaped push rod and the second T-shaped push rod are matched with the T-shaped groove on the first protection plate under the action of the first torsion spring and the second torsion spring; when crosswind acts on the first protection plate, the first protection plate pushes the first T-shaped push rod to enable the seventh gear to rotate, the seventh gear rotates to drive the first teeth to move, the first teeth move to drive the third rack rod to move, the third rack rod drives the second protection plate to clamp the raw materials through the gear, and the rotating shaft of the seventh gear pulls the second T-shaped push rod to enable the first protection plate to clamp the raw materials on the bearing plate; the arrangement ensures that when the raw materials are transported at high altitude and cross wind acts on the first protection plate, the clamping force of the first protection plate and the second protection plate on the raw materials is higher when the wind is larger, and the safety coefficient of the high-altitude transportation is further improved; when the second protection plate is on under the action of cross wind, the second protection plate enables the third rack rod to slide on the sliding frame through the gear, the second protection plate on the other side is enabled to clamp the raw material through the third rack rod, the seventh gear is enabled to rotate through the first teeth through the movement of the third rack rod, and the first protection plate is pulled to clamp the raw material through the rotation of the seventh gear; according to the invention, when the raw materials are transported at high altitude in a strong wind environment and the first protection plate or the second protection plate encounters strong wind, the effect that the clamping strength of the first protection plate and the second protection plate on the raw materials is higher when the wind is higher can be realized through the arrangement of the structure, the danger that the raw materials fall due to the strong wind in the high-altitude transportation process is effectively avoided, and the purpose of safe high-altitude transportation can be realized even in a cross wind environment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a first driving mechanism according to the present invention;
FIG. 3 is a schematic structural view of a second driving mechanism according to the present invention;
FIG. 4 is a schematic view of the position relationship between the self-locking mechanism and the second rack bar according to the present invention;
FIG. 5 is a schematic diagram showing a positional relationship between the first protection plate and the first and second T-shaped push rods according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a bearing plate 1, a first protection plate 2, a second protection plate 3, a support column 4, a moving plate 5, a first spring 6, a first rack rod 7, a first elastic expansion rod 8, a first gear 9, a grooved pulley 10, a traction rope 11, a second rack rod 12, a second gear 13, a third gear 14, a wedge block 15, a sliding frame 16, a second spring 17, a third rack rod 18, a fourth gear 19, a fifth gear 20, a sixth gear 21, a first tooth 22, a seventh gear 23, a first connecting rod 24, a second connecting rod 25, a first T-shaped push rod 26, a second T-shaped push rod 27, a first torsion spring 28, a second torsion spring 29, a T-shaped groove 30, a stop block 31 and a circular table body 32.
Detailed Description
Referring to fig. 1-5, the present invention provides a technical solution: a crane for building construction comprises a bearing plate 1, wherein a first protection plate 2 is respectively rotatably and slidably connected to the front side wall and the rear side wall of the bearing plate 1, and a second protection plate 3 is respectively rotatably connected to the left side wall and the rear side wall of the bearing plate 1; the lower side wall of the bearing plate 1 is fixedly connected with a plurality of support columns 4; a moving plate 5 is arranged below the bearing plate 1, the moving plate 5 is connected to a plurality of support columns 4 in a sliding manner, and a plurality of first springs 6 for resetting the moving plate 5 are sleeved on the support columns 4; the movable plate 5 and the bearing plate 1 are jointly provided with a first driving mechanism and a second driving mechanism, and the first driving mechanism and the second driving mechanism are respectively used for driving the first protection plate 2 and the second protection plate 3 to rotate upwards while the movable plate 5 moves upwards; the bearing plate 1 is provided with a self-locking mechanism; the self-locking mechanism is used for limiting the second protection plate 3 after the second protection plate rotates to a vertical state.
When the high-altitude transportation device is used, the initial positions of the first protection plate 2 and the second protection plate 3 are that one side is rotatably connected to the side wall of the bearing plate 1, and the other side is in contact with the ground (as shown in figure 1), firstly, a worker can place raw materials needing high-altitude transportation on the bearing plate 1 through the first protection plate 2 or the second protection plate 3; through the arrangement of the first protection plate 2 and the second protection plate 3, workers can easily load and unload the raw materials; after the raw materials are placed, starting the external driving equipment, pulling the moving plate 5 to move upwards by the external driving equipment, and keeping the position of the bearing plate 1 unchanged under the action of gravity; the moving plate 5 moves upwards to drive the second driving mechanism to enable the second protection plate 3 to rotate upwards, and when the second protection plate 3 rotates to be in a vertical state, the second driving mechanism drives the self-locking mechanism to lock the second protection plate 3; the second driving mechanism drives the self-locking mechanism to fixedly lock the second protection plate 3 in a vertical state, and drives the self-locking mechanism to lock the second protection plate 3 in the vertical state immediately after the second protection plate 3 rotates to the vertical state, so that the stability of the second protection plate 3 in the working process is improved, and meanwhile, raw materials placed on the bearing plate 1 are clamped; at the moment, the external driving equipment enables the moving plate 5 to continuously move upwards, the position of the bearing plate 1 is kept unchanged, the moving plate 5 drives the first driving mechanism to drive the first protection plate 2 to rotate upwards, when the first protection plate 2 rotates to a vertical position, the first driving mechanism continuously applies external force to the first protection plate 2, and the first protection plate 2 slides on the side wall of the bearing plate 1 under the action of the first driving mechanism and clamps the raw materials and the second protection plate; the first driving mechanism continuously applies external force to the first protection plate 2 to enable the first protection plate 2 to horizontally move and simultaneously clamp the raw material and the second protection plate 3 continuously, so that the raw material can be prevented from shaking in the transportation process, the damage quantity of the raw material in the transportation process is reduced, and the safety coefficient of the raw material in high-altitude transportation is greatly improved; after the raw materials are clamped by the first protection plate 2 and the second protection plate 3, the raw materials are transported in high altitude under the action of an external driving device; the raw materials are surrounded and clamped by the first protection plate 2 and the second protection plate 3, so that the falling of the raw materials in high school is effectively prevented; when the raw materials are conveyed to a designated position, the movable plate 5 and the bearing plate 1 start to move downwards under the action of external contact driving equipment, after the support column 4 is contacted with the ground, the movable plate 5 moves downwards under the action of the support column 4 and the first spring 6, the movable plate 5 moves downwards to drive the second driving mechanism to enable the first protection plate 2 to rotate downwards until the side face of the first protection plate 2 is contacted with the ground, at the moment, the movable plate 5 continues to move downwards under the action of the first spring 6, the movable plate 5 drives the second driving mechanism, the second driving mechanism drives the self-locking mechanism to release the limitation on the second protection plate 3, and meanwhile, the second driving mechanism enables the second protection plate 3 to rotate downwards until the first protection plate 2 and the second protection plate 3 rotate to the initial positions, so that the next work can be conveniently carried out, and the processes are sequentially circulated; the first protection plate 2 and the second protection plate 3 cancel clamping of the raw materials when the moving plate 5 moves downwards, the raw materials are clamped without a power source, the raw materials are clamped through the gravity of the bearing plate 1 and the raw materials, the moving plate 5 moves downwards through the first spring 6, the raw materials are loosened, manual operation is not needed in the whole process of clamping and loosening the raw materials, manpower is greatly saved, and automation can be achieved to the maximum degree.
Referring to fig. 2, as a further aspect of the present invention, the first driving mechanism includes a first rack bar 7 and a first elastic telescopic rod 8, and the first rack bar 7 is fixedly connected to a lower sidewall of the bearing plate 1; a first gear 9 capable of being meshed with the first rack bar 7 is arranged in front of the first rack bar, the first gear 9 is rotatably connected to the upper end face of the moving plate 5, a grooved pulley 10 is fixedly connected to a rotating shaft of the first gear 9, a traction rope 11 is fixedly connected to the grooved pulley 10, and the other end of the traction rope 11 is fixedly connected to the first elastic telescopic rod 8; the first elastic telescopic rod 8 is rotatably connected to the upper end face of the moving plate 5, and the other end of the first elastic telescopic rod 8 is rotatably connected to the first protection plate 2.
When the scheme is used, when an external driving device enables a moving plate 5 to move upwards, the position of a bearing plate 1 is kept unchanged under the action of gravity, the moving plate 5 moves upwards to drive a first gear 9 to move upwards, a first rack rod 7 fixedly connected to the bearing plate 1 enables the first gear 9 to rotate, the first gear 9 rotates to enable a grooved pulley 10 to rotate, meanwhile, the grooved pulley 10 pulls a traction rope 11 to enable a first elastic telescopic rod 8 to rotate on the moving plate 5, the first elastic telescopic rod 8 pushes a first protection plate 2 to rotate upwards to a vertical state, the first elastic telescopic rod 8 enables the first protection plate 2 to have a trend of moving towards each other and clamp raw materials, and high-altitude transportation of the raw materials is started; when the raw materials are transported to a designated position, the supporting column 4 is in contact with the ground, the movable plate 5 moves downwards under the action of the first spring 6, the movable plate 5 moves downwards to drive the first gear 9 to move downwards, the first gear 9 and the grooved pulley 10 rotate reversely at the same time through the first rack rod 7, the traction rope 11 cancels the pulling force on the first elastic telescopic rod 8, the first elastic telescopic rod 8 starts to shorten under the elastic action to enable the first protection plate 2 to rotate downwards, and the first protection plate 2 rotates downwards to be in contact with the ground through the first elastic telescopic rod 8 and the traction rope 11; first elasticity telescopic link 8 and haulage rope 11 make this device carry out the in-process of high altitude transportation to the raw materials, make first guard plate 2 be in all the time and press from both sides tightly raw materials and second guard plate 3, avoided the danger that high altitude raw materials fell effectively.
Referring to fig. 3, as a further aspect of the present invention, the second driving mechanism includes a second rack bar 12, and the second rack bar 12 is fixedly connected to the upper end surface of the moving plate 5; a second gear 13 capable of being meshed with the second rack rod 12 is arranged on the side edge of the second rack rod 12, and the second gear 13 is rotationally connected to the bearing plate 1; and a third gear 14 meshed with the second gear 13 is arranged on the side edge of the second gear 13, and the third gear 14 is fixedly connected to the rotating shaft of the second protection plate 3.
When the scheme is used, the external driving equipment enables the moving plate 5 to move upwards, the position of the bearing plate 1 is kept unchanged under the action of gravity, the moving plate 5 moves upwards to drive the second rack bar 12 to move upwards, the second rack bar 12 moves upwards to drive the second gear 13 to enable the third gear 14 to rotate, and the third gear 14 enables the second protection plate 3 to rotate upwards until the second protection plate 3 rotates to be in a vertical state; when the raw materials are transported to a designated position, after the support column 4 is contacted with the ground, the first spring 6 enables the moving plate 5 to move downwards, simultaneously enables the third gear 14 to rotate reversely, and simultaneously enables the second driving plate to rotate downwards until the second driving plate is contacted with the ground; the second driving mechanism is arranged, so that when the raw materials are not transported to a designated position and the supporting column 4 is not in contact with the ground, the second protection plate 3 is not allowed to be opened, and the safety of the device in the using process is ensured.
Referring to fig. 4, as a further aspect of the present invention, the self-locking mechanism includes a wedge block 15 and a sliding frame 16, wherein the third rack bar 18 is a third rack bar, the wedge block 15 is fixedly connected to a rear side wall of the second rack bar 12, and the sliding frame 16 is slidably connected to a lower end surface of the bearing plate 1; a second spring 17 for resetting the sliding frame 16 is arranged on the rear side wall of the sliding frame; the third rack bar 18 is connected to the sliding frame 16 in a left-right sliding manner; a fourth gear 19 and a fifth gear 20 which can be meshed with the third rack bar 18 are arranged above the third rack bar 18, the fourth gear 19 is fixedly connected to a rotating shaft of the right second protection plate 3, and the fifth gear 20 is rotatably connected to the bearing plate 1; and a sixth gear 21 meshed with the fifth gear 20 is arranged on the side edge of the fifth gear 20, and the sixth gear 21 is fixedly connected to the rotating shaft of the left second protection plate 3.
When the scheme is used, the external driving device enables the moving plate 5 to move upwards, after the second rack bar 12 drives the second protection plate 3 to be in a vertical state through the second gear 13 and the third gear 14, the second rack bar 12 continues to move upwards, the second rack bar 12 is disengaged from the second gear 13, meanwhile, the wedge block 15 moves upwards and pushes the sliding frame 16 to move backwards, the sliding frame 16 moves backwards to push the third rack bar 18 to move backwards and is engaged with the fourth gear 19 and the fifth gear 20, the position of the sliding frame 16 is limited by the wedge block 15, so that the third rack bar 18, the fourth gear 19 and the fifth gear 20 are always kept in an engaged state, and the second protection plate 3 is kept in a vertical state; the second rack rod 12 moves to simultaneously control the rotation and self-locking of the second protection plate 3, so that the second protection plate 3 is immediately locked after the second protection plate 3 rotates to a vertical state, and the undifferentiated locking is realized; when the device does not transport the raw materials to the designated position, any force on the second protection plate 3 cannot release the self-locking state of the second protection plate 3, so that the high-altitude falling of the raw materials is effectively avoided; when the raw material is transported to a designated position, the supporting column 4 is in contact with the ground, the moving plate 5 is moved downwards by the first spring 6, the second rack bar 12 is moved downwards, the wedge block 15 is released from the position limitation of the sliding frame 16, the sliding frame 16 is moved forwards by the second spring 17, the third rack bar 18 is moved forwards by the sliding frame 16, the third rack bar 18 is disengaged from the fourth gear 19 and the fifth gear 20, the second rack bar 12 is engaged with the second gear 13, and the second rack bar 12 rotates the third gear 14 reversely by the second gear 13 so that the second protection plate 3 rotates downwards until the raw material is in contact with the ground.
Referring to fig. 4 and 5, as a further scheme of the present invention, the rear side wall of the third rack bar 18 is fixedly connected with first teeth 22 distributed at equal intervals, a seventh gear 23 is arranged at the rear side of the third rack bar 18, the seventh gear 23 is rotatably connected to the bearing plate 1, and the seventh gear 23 can be meshed with the first teeth 22; a first connecting rod 24 and a second connecting rod 25 are rotatably connected to a rotating shaft of the seventh gear 23, the first connecting rod 24 and the second connecting rod 25 are both slidably connected to the bearing plate 1, and the other ends of the first connecting rod 24 and the second connecting rod 25 are rotatably connected to a first T-shaped push rod 26 and a second T-shaped push rod 27 respectively; the rotating shafts of the first T-shaped push rod 26 and the second T-shaped push rod 27 are respectively sleeved with a first torsion spring 28 and a second torsion spring 29 for resetting.
Referring to fig. 5, as a further embodiment of the present invention, the first protection plate 2 is provided with a T-shaped slot 30 corresponding to the first T-shaped push rod 26 and the second T-shaped push rod 27.
When the scheme is used, the external driving equipment enables the moving plate 5 to move upwards, firstly, the moving plate 5 drives the second driving mechanism to enable the second protection plate 3 to rotate upwards and to be in a vertical state, the second driving mechanism drives the self-locking mechanism to lock the second protection plate 3, and the first teeth 22 are meshed with the seventh gear 23 when the self-locking mechanism locks the second protection plate 3; then the moving plate 5 drives the first driving mechanism to enable the first protection plate 2 to rotate to a vertical state, under the action of the first torsion spring 28 and the second torsion spring 29, the T-shaped groove 30 on the first protection plate 2 is respectively matched with the first T-shaped push rod 26 and the second T-shaped push rod 27, in the process of transporting raw materials, the front side first protection plate 2 slides backwards under the action of strong wind, the front side first protection plate 2 pushes the first T-shaped push rod 26 and the first connecting rod 24 to enable the seventh gear 23 to rotate, the seventh gear 23 rotates to enable the third rack rod 18 to move rightwards, the third rack rod 18 moves rightwards to enable the second protection plate 3 to rotate oppositely, and the raw materials on the bearing plate 1 are clamped; meanwhile, the seventh gear 23 rotates to drive the second connecting rod 25 to slide forwards, and the second connecting rod 25 pulls the second T-shaped push rod 27 to enable the first protection plate 2 on the rear side to slide forwards so as to clamp the raw materials; the arrangement of the structure realizes the effect that the clamping strength of the first protection plate 2 and the second protection plate 3 to the raw material is higher when the first protection plate 2 or the second protection plate 3 meets strong wind when the raw material is transported at high altitude in a strong wind environment, effectively avoids the danger that the raw material is dropped by the strong wind during high altitude transportation, and realizes the purpose of safe high altitude transportation even in a cross wind environment.
Referring to fig. 1, as a further embodiment of the present invention, a plurality of supporting columns 4 are fixedly connected with a stopper 31, an upper end surface of the stopper 31 contacts with a bottom of the moving plate 5, and bottom surfaces of the plurality of supporting columns 4 are fixedly connected with a circular truncated cone 32.
When the scheme is used, the moving plate 5 is in an initial state, and the weight of the raw materials on the bearing plate 1 is transmitted to the ground through the support columns 4 and the circular truncated cone bodies 32; the moving plate 5 is fitted with the upper end face of the stopper 31, and the stopper 31 is arranged to control the moving stroke of the moving plate 5.
The working principle is as follows: the initial positions of the first protection plate 2 and the second protection plate 3 are that one side is rotatably connected to the side wall of the bearing plate 1, and the other side is in contact with the ground (as shown in figure 1), firstly, a worker can place raw materials to be transported aloft on the bearing plate 1 through the first protection plate 2 or the second protection plate 3; through the arrangement of the first protection plate 2 and the second protection plate 3, workers can easily load and unload the raw materials; after the raw materials are placed, starting the external driving equipment, pulling the moving plate 5 to move upwards by the external driving equipment, and keeping the position of the bearing plate 1 unchanged under the action of gravity; the moving plate 5 moves upwards to drive the second driving mechanism to enable the second protection plate 3 to rotate upwards, and when the second protection plate 3 rotates to be in a vertical state, the second driving mechanism drives the self-locking mechanism to lock the second protection plate 3; the second driving mechanism drives the self-locking mechanism to fixedly lock the second protection plate 3 in a vertical state, and drives the self-locking mechanism to lock the second protection plate 3 in the vertical state immediately after the second protection plate 3 rotates to the vertical state, so that the stability of the second protection plate 3 in the working process is improved, and meanwhile, raw materials placed on the bearing plate 1 are clamped; at the moment, the external driving equipment enables the moving plate 5 to continuously move upwards, the position of the bearing plate 1 is kept unchanged, the moving plate 5 drives the first driving mechanism to drive the first protection plate 2 to rotate upwards, when the first protection plate 2 rotates to a vertical position, the first driving mechanism continuously applies external force to the first protection plate 2, and the first protection plate 2 slides on the side wall of the bearing plate 1 under the action of the first driving mechanism and clamps the raw materials and the second protection plate; the first driving mechanism continuously applies external force to the first protection plate 2 to enable the first protection plate 2 to horizontally move and simultaneously clamp the raw material and the second protection plate 3 continuously, so that the raw material can be prevented from shaking in the transportation process, the damage quantity of the raw material in the transportation process is reduced, and the safety coefficient of the raw material in high-altitude transportation is greatly improved; after the raw materials are clamped by the first protection plate 2 and the second protection plate 3, the raw materials are transported in high altitude under the action of an external driving device; the raw materials are surrounded and clamped by the first protection plate 2 and the second protection plate 3, so that the raw materials are effectively prevented from falling in high school.
When the raw materials are conveyed to a designated position, the movable plate 5 and the bearing plate 1 start to move downwards under the action of external contact driving equipment, after the support column 4 is contacted with the ground, the movable plate 5 moves downwards under the action of the support column 4 and the first spring 6, the movable plate 5 moves downwards to drive the second driving mechanism to enable the first protection plate 2 to rotate downwards until the side face of the first protection plate 2 is contacted with the ground, at the moment, the movable plate 5 continues to move downwards under the action of the first spring 6, the movable plate 5 drives the second driving mechanism, the second driving mechanism drives the self-locking mechanism to release the limitation on the second protection plate 3, and meanwhile, the second driving mechanism enables the second protection plate 3 to rotate downwards until the first protection plate 2 and the second protection plate 3 rotate to the initial positions, so that the next work can be conveniently carried out, and the processes are sequentially circulated; the first protection plate 2 and the second protection plate 3 cancel clamping of the raw materials when the moving plate 5 moves downwards, the raw materials are clamped without a power source, the raw materials are clamped through the gravity of the bearing plate 1 and the raw materials, the moving plate 5 moves downwards through the first spring 6, the raw materials are loosened, manual operation is not needed in the whole process of clamping and loosening the raw materials, manpower is greatly saved, and automation can be achieved to the maximum degree.
Claims (7)
1. The utility model provides a hoist for construction, includes bearing plate (1), its characterized in that: the front side wall and the rear side wall of the bearing plate (1) are both rotatably and slidably connected with a first protection plate (2), and the left side wall and the right side wall of the bearing plate (1) are both rotatably connected with a second protection plate (3); the bottom of the bearing plate (1) is fixedly connected with a plurality of support columns (4); a movable plate (5) is arranged below the bearing plate (1), the movable plate (5) is connected to the support columns (4) in a sliding mode, and the support columns (4) are sleeved with first springs (6) enabling the movable plate (5) to reset; the first protection plates (2) are provided with first driving mechanisms; the second protection plates (3) are provided with second driving mechanisms; the first driving mechanism is used for driving the first protection plate (2) to rotate upwards when the moving plate (5) moves upwards, and the second driving mechanism is used for driving the second protection plate (3) to rotate upwards when the moving plate (5) moves upwards; the bearing plate (1) is provided with a self-locking mechanism; the self-locking mechanism is used for limiting the second protection plate (3) after the second protection plate rotates to a vertical state.
2. The crane for construction according to claim 1, wherein: the first driving mechanisms comprise first rack rods (7) and first elastic telescopic rods (8), and the first rack rods (7) are fixedly connected to the bottoms of the bearing plates (1); a first gear (9) capable of being meshed with the first rack rod (7) is arranged in front of the first rack rod, the first gear (9) is rotatably connected to the moving plate (5), a grooved pulley (10) is fixedly connected to a rotating shaft of the first gear (9), a traction rope (11) is fixedly connected to the grooved pulley (10), and the front end of the traction rope (11) is fixedly connected to the first elastic telescopic rod (8); first elasticity telescopic link (8) rotate to be connected on movable plate (5), first elasticity telescopic link (8) front end rotates to be connected on first guard plate (2).
3. The crane for construction according to claim 1, wherein: the second driving mechanisms comprise second rack rods (12), and the second rack rods (12) are fixedly connected to the moving plate (5); a second gear (13) capable of being meshed with the second rack rod (12) is arranged on the side edge of the second rack rod, and the second gear (13) is rotatably connected to the bearing plate (1); and a third gear (14) meshed with the second gear (13) is arranged on the side edge of the second gear, and the third gear (14) is fixedly connected to a rotating shaft of the second protection plate (3).
4. A crane for construction according to claim 3, wherein: the self-locking mechanism comprises a wedge-shaped block (15) and a sliding frame (16); the wedge-shaped block (15) is fixedly connected to the rear side wall of the second rack rod (12), and the sliding frame (16) is connected to the bottom of the bearing plate (1) in a sliding mode; a second spring (17) for resetting the sliding frame (16) is fixedly connected to the rear side wall of the sliding frame; the wedge-shaped block (15) drives the sliding frame (16) to move backwards when moving upwards; a third rack rod (18) is connected onto the sliding frame (16) in a sliding mode, a fourth gear (19) and a fifth gear (20) which can be meshed with the third rack rod are arranged above the third rack rod (18), the fourth gear (19) is fixedly connected onto a rotating shaft of a second protection plate (3) on the right side, and the fifth gear (20) is rotatably connected onto the bearing plate (1); and a sixth gear (21) meshed with the fifth gear (20) is arranged on the side edge of the fifth gear, and the sixth gear (21) is fixedly connected to the rotating shaft of the left second protection plate (3).
5. The crane for construction according to claim 4, wherein: the rear side wall of the third rack rod (18) is fixedly connected with a plurality of first teeth (22) distributed in a row-limiting array mode, a seventh gear (23) is arranged on the rear side of the third rack rod (18), the seventh gear (23) is rotatably connected to the bearing plate (1), and the seventh gear (23) can be meshed with the first teeth (22); a first connecting rod (24) and a second connecting rod (25) are rotatably connected to a rotating shaft of the seventh gear (23), the first connecting rod (24) and the second connecting rod (25) are both connected to the bearing plate (1) in a sliding manner, and the other ends of the first connecting rod (24) and the second connecting rod (25) are respectively rotatably connected with a first T-shaped push rod (26) and a second T-shaped push rod (27); and a first torsion spring (28) and a second torsion spring (29) for resetting the first T-shaped push rod (26) and the second T-shaped push rod (27) are sleeved on the rotating shafts respectively.
6. The crane for construction according to claim 5, wherein: and the first protection plate (2) is provided with a T-shaped groove (30) corresponding to the first T-shaped push rod (26) and the second T-shaped push rod (27).
7. The crane for construction according to claim 1, wherein: the supporting columns (4) are all fixedly connected with stop blocks (31), the upper end faces of the stop blocks (31) are in contact with the bottom of the moving plate (5), and the bottom faces of the supporting columns (4) are all fixedly connected with round table bodies (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115594.7A CN113911959B (en) | 2021-09-23 | 2021-09-23 | Crane for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111115594.7A CN113911959B (en) | 2021-09-23 | 2021-09-23 | Crane for building construction |
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| Publication Number | Publication Date |
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| CN113911959A true CN113911959A (en) | 2022-01-11 |
| CN113911959B CN113911959B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111115594.7A Active CN113911959B (en) | 2021-09-23 | 2021-09-23 | Crane for building construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116692717A (en) * | 2023-08-03 | 2023-09-05 | 四川成邛雅高速公路有限责任公司 | Hoisting device for highway engineering |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192765A (en) * | 2014-09-28 | 2014-12-10 | 苏州市汉诺威升降台有限公司 | Protective plate extending lifting device |
| CN204369502U (en) * | 2014-11-10 | 2015-06-03 | 马尔科液压升降平台（宁波）有限公司 | Guardrail folding platform |
| CN207030836U (en) * | 2017-06-01 | 2018-02-23 | 邬宗全 | A kind of guardrail folding device of hoistable platform |
| CN212127387U (en) * | 2020-01-15 | 2020-12-11 | 大连普斯达机械有限公司 | Hydraulic machinery lift platform with adjustment mechanism |
| CN212315427U (en) * | 2020-05-07 | 2021-01-08 | 罗春仲 | Conveying lifting platform for stably and quickly unloading architectural decoration materials |
-
2021
- 2021-09-23 CN CN202111115594.7A patent/CN113911959B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192765A (en) * | 2014-09-28 | 2014-12-10 | 苏州市汉诺威升降台有限公司 | Protective plate extending lifting device |
| CN204369502U (en) * | 2014-11-10 | 2015-06-03 | 马尔科液压升降平台（宁波）有限公司 | Guardrail folding platform |
| CN207030836U (en) * | 2017-06-01 | 2018-02-23 | 邬宗全 | A kind of guardrail folding device of hoistable platform |
| CN212127387U (en) * | 2020-01-15 | 2020-12-11 | 大连普斯达机械有限公司 | Hydraulic machinery lift platform with adjustment mechanism |
| CN212315427U (en) * | 2020-05-07 | 2021-01-08 | 罗春仲 | Conveying lifting platform for stably and quickly unloading architectural decoration materials |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116692717A (en) * | 2023-08-03 | 2023-09-05 | 四川成邛雅高速公路有限责任公司 | Hoisting device for highway engineering |
| CN116692717B (en) * | 2023-08-03 | 2023-10-10 | 四川成邛雅高速公路有限责任公司 | Hoisting device for highway engineering |
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|---|---|
| CN113911959B (en) | 2023-03-31 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of construction crane Granted publication date: 20230331 Pledgee: Feidong SME financing Company limited by guarantee Pledgor: HEFEI SHENDIAO HOISTING MACHINERY Co.,Ltd. Registration number: Y2024980009432 |
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