CN110790205A - Method for driving oblique chute barrel to move in three dimensions and driving system based on method - Google Patents
Method for driving oblique chute barrel to move in three dimensions and driving system based on method Download PDFInfo
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- CN110790205A CN110790205A CN201911027757.9A CN201911027757A CN110790205A CN 110790205 A CN110790205 A CN 110790205A CN 201911027757 A CN201911027757 A CN 201911027757A CN 110790205 A CN110790205 A CN 110790205A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 230000009471 action Effects 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 description 8
- 238000009991 scouring Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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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
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/12—Chutes pivotable
- B65G11/126—Chutes pivotable for bulk
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/14—Chutes extensible, e.g. telescopic
- B65G11/146—Chutes extensible, e.g. telescopic for bulk
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/18—Supports or mountings
- B65G11/186—Supports or mountings for bulk
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention provides a method for driving an oblique sliding barrel to move in three dimensions, wherein the oblique sliding barrel is hinged with a platform, an amplitude variation mechanism is arranged between the oblique sliding barrel and the platform, and the pitching action of the oblique sliding barrel is realized by the movement of the amplitude variation mechanism; the bottom end of the platform is connected with a rotating mechanism, and the rotating mechanism drives the platform to rotate 360 degrees around the axis of the platform, so that the axial rotating action of the inclined sliding barrel is realized; the rotating mechanism is arranged on the moving trolley, and the forward and backward movement of the chute is realized by utilizing the forward and backward movement of the moving trolley. The invention also provides a system based on the method, which comprises the following steps: the rotating mechanism, the moving trolley and the luffing mechanism are positioned between the platform and the moving trolley, the luffing mechanism realizes pitching motion, and the inclined chute barrel is hinged with the platform. The invention realizes the left and right angle adjustment of the sliding barrel by utilizing the 360-degree rotation of the rotating mechanism, realizes the up-and-down amplitude variation motion of the sliding barrel by utilizing the amplitude variation mechanism, and realizes the front-and-back motion of the sliding barrel by utilizing the front-and-back motion of the movable trolley.
Description
Technical Field
The invention relates to the field of chute barrel construction, in particular to a method for driving an oblique chute barrel to move in three dimensions and a driving system based on the method.
Background
The foundation at the lower part of the bridge generally adopts a high pile cap structure and a steel pipe pile form, and the influence of corresponding scouring depth is considered at the beginning of design, so that a scouring warning value is set, and scouring protection is carried out after the scouring warning value is exceeded. In order to reduce the engineering investment, the elevation of the top surface of the scouring protection layer is not necessarily consistent with the actual elevation of the mud surface in the original design, and the protected mud surface is higher than the limit mud surface with the reserved scouring depth in the original design and does not generate further large scouring, so that the pier can be in a safe state even if a small amount of scouring exists.
The anti-scour protection is generally carried out by adopting a mode of throwing and filling broken stones and concrete mixture into a river bed, and the common network stone throwing method construction process has poor throwing and filling precision under the deep water condition, large fluctuation of a formed section and easy local accumulation. And the falling process of the rock lumps is easy to drift and lose under the action of water flow, and the loss amount is large.
In order to accurately throw and fill bagged broken stones and bagged concrete mixture between pier pile positions, the utility model patent with the patent number of 201822007348.X discloses an oblique chute stone throwing ship, which comprises a ship body, a rail trolley and a chute arranged on the rail trolley, wherein the rail trolley is arranged on the edge of the ship body, and the rail trolley is provided with a feed hopper leading to the chute; the sliding barrel is connected with the small rail car through a rotating mechanism, and the rotating mechanism adjusts the vertical amplitude and the left and right angles of the sliding barrel.
According to the oblique sliding barrel driving method and system, the vertical amplitude and the left and right angles of the sliding barrel are adjusted through the integrated rotating mechanism, and the rotating mechanism cannot synchronously adjust the vertical amplitude and the left and right angles of the sliding barrel, so that the oblique sliding barrel driving method and driving system capable of adjusting the angles in all directions are urgently needed.
Disclosure of Invention
The invention provides a method for driving an inclined slide barrel to move in three dimensions and a system based on the method.
In order to solve the technical problems, the invention adopts the following technical scheme:
a method for driving an oblique sliding barrel to move in three dimensions comprises the steps that the oblique sliding barrel is hinged with a platform, an amplitude variation mechanism is arranged between the oblique sliding barrel and the platform, and pitching motion of the oblique sliding barrel is achieved through the motion of the amplitude variation mechanism;
the bottom end of the platform is connected with a rotating mechanism, and the rotating mechanism drives the platform to rotate 360 degrees around the axis of the platform, so that the axial rotating action of the inclined sliding barrel is realized;
the rotating mechanism is arranged on the moving trolley, and the forward and backward movement of the chute is realized by utilizing the forward and backward movement of the moving trolley.
As a further improvement of the invention, the inclined chute comprises a plurality of sections of coaxial cylinders and a feed hopper, the plurality of sections of cylinders are sequentially sleeved, the end part of the innermost cylinder is connected with the feed hopper, the feed hopper is hinged with the platform, and a telescopic structure is arranged between the outermost cylinder and the feed hopper.
A system based on a method for driving a slant chute to move in three dimensions comprises the following steps:
the rotating mechanism drives the platform to rotate together, the rotating mechanism is positioned between the platform and the moving trolley, and the rotating mechanism is arranged on the moving trolley;
the moving trolley drives the platform to move back and forth together, and the moving trolley is powered by a power part;
and the amplitude variation mechanism drives the inclined sliding barrel to realize pitching action, part of the amplitude variation mechanism is arranged on the inclined sliding barrel, the other part of the amplitude variation mechanism is arranged on the platform, and the inclined sliding barrel is hinged with the platform.
As a further improvement of the invention, the inclined chute is arranged on the side surface of the platform and comprises a plurality of sections of coaxial cylinders and a feed hopper, the plurality of sections of cylinders are sequentially sleeved, the end part of the innermost cylinder is connected with the feed hopper, and the feed hopper is hinged with the platform.
As a further improvement of the invention, at least one pair of fixed pulleys are arranged on the outer peripheral wall of the cylinder body at the outermost side, and at least one pair of pulleys are arranged on the outer peripheral wall of the feed hopper;
the same steel wire rope is wound around the fixed pulley and the pulley, the tail end of the steel wire rope is fixed on the winch,
the winch rotates, and the steel wire rope drives the fixed pulley on the barrel to move close to or far away from the pulley.
As a further improvement of the invention, each pair of fixed pulleys are oppositely arranged, each pair of windlasses are also oppositely arranged, and the connecting line between the centers of the fixed pulleys and the center of the pulley positioned on the same side of the cylinder body is parallel to the axis of the cylinder body.
As a further development of the invention, the luffing mechanism comprises: the first pulley assembly is arranged on the oblique sliding barrel, the second pulley assembly is arranged on the platform, the traction rope is used for connecting the first pulley block and the second pulley block, and the winch is used for controlling the length of the traction rope.
As a further improvement of the invention, the first pulley assembly consists of N +1 first fixed pulleys arranged in parallel, the second pulley assembly consists of N +1 second fixed pulleys arranged in parallel, each first fixed pulley is connected with the corresponding second fixed pulley through a traction rope, and the N +1 traction ropes are parallel to each other.
As a further improvement of the invention, the hinged support comprises a hinged seat and an upright post, the upright post is arranged on the platform, the hinged seat is arranged on the inclined chute barrel, and the hinged seat and the upright post are hinged through a bolt.
As a further improvement of the invention, the bottom end of the platform is provided with a cavity, the rotating mechanism is arranged on a platform base, the platform base is fixed on the upper surface of the walking flat car, and the platform base extends into the cavity, so that the rotating mechanism is in contact with the peripheral wall of the cavity;
the rotary mechanism comprises M guide wheels and M guide wheel seats, the horizontal section of the platform base is circular, the M guide wheels are uniformly distributed on the platform base in an angle of 360 degrees around the axis of the platform base, each guide wheel is installed on the peripheral wall of the platform base through the guide wheel seat, and the wheel bodies of all the guide wheels are in contact with the peripheral wall of the cavity.
The invention has the beneficial effects that:
1. the invention realizes the left and right angle adjustment of the sliding barrel by utilizing the 360-degree rotation of the rotating mechanism, realizes the up-and-down amplitude variation motion of the sliding barrel by utilizing the amplitude variation mechanism, and realizes the front-and-back motion of the sliding barrel by utilizing the front-and-back motion of the movable trolley.
2. The fixed pulley is pulled by the steel wire rope to move close to or far away from the pulley, so that the extension or contraction of the inclined chute tube is realized. Specifically, the inclined chute barrel is mainly released by the dead weight of the chute barrel, and when the dead weight of the inclined chute barrel exceeds the friction force between the chute barrels, the inclined chute barrel starts to release, so that a certain angle needs to be ensured in the releasing process; the retraction of the inclined sliding barrel requires that a steel wire rope is pulled through a lifting fixed pulley, and when the traction force is larger than the dead weight of the sliding barrel and the friction force between the sliding barrel and the lifting fixed pulley, the inclined sliding barrel starts to retract. The inclined chute tube is released and recovered by adopting a winch to brake in cooperation with a steel wire rope, and the winch is used for controlling the telescopic length of the chute tube.
3. The pulley system luffing mechanism is arranged on the side surface of the hinged support, so that the area of the rotary platform is reduced to the maximum extent.
4. According to the invention, the first pulley assembly is arranged close to the top end of the feed hopper, and the highest point of the first pulley assembly exceeds the upper surface of the feed hopper, so that the clamping between the connecting line between the first pulley assembly and the second pulley assembly and the surface of a platform (namely a horizontal plane) is maximum, and thus, a luffing mechanism consisting of the first pulley assembly, the second pulley assembly and the traction rope is more labor-saving when a sliding barrel is lifted.
5. According to the invention, the hinge seat and the first pulley component are arranged on the same side, so that the connecting fulcrum of the hinge seat and the platform and the first pulley component are positioned on the same side, and the feed hopper rotates around the connecting fulcrum, thereby reducing the moment born by the first pulley component and the steel wire rope.
6. The variable-amplitude fixed pulley can change the amplitude of the contact position of the first fixed pulley and the steel wire rope, and is more beneficial to the work of a pulley block.
7. The invention utilizes the platform base to fix the rotating mechanism, the platform base is fixed on the walking flat car and is inserted into the cavity of the rotating platform, the rotating mechanism arranged on the platform base is contacted with the peripheral wall of the cavity, and the rotating mechanism rotates to drive the platform to rotate.
8. The platform is located on the platform base, and the friction force between the wheel body and the cavity provides the rotating power for the platform.
9. The fixed pulley outside the cylinder body is pulled by the steel wire rope, the inclined sliding cylinder is controlled to be lowered and recovered, and the telescopic action is completed, the outer cylinder body is mainly used for completing the downward sliding action under the action of gravity, the rotating mechanism on the upper part of the moving trolley is rotated out, the inclined sliding cylinder starts to be lowered in a variable amplitude manner, the winch for controlling the inclined sliding cylinder to be lowered starts to lower the steel wire rope, the friction force of the outer sleeve is reduced, and the outer sleeve is slowly lowered under the action of gravity; the guide wheel is arranged in the oblique sliding barrel, and when the oblique sliding barrel is recovered, the steel wire rope overcomes the rolling friction force to recover the outer sleeve to the initial position.
Drawings
FIG. 1 is a block diagram of a flow chart of a method for driving a slant chute to move in three dimensions;
FIG. 2 is a schematic structural view of the inclined chute apparatus;
FIG. 3 is a schematic structural view 1 of the walking flatcar, the platform base and the rotating structure (guide wheels and support wheels) after installation;
FIG. 4 is a schematic structural view 2 of the walking flatcar, the platform base and the rotating structure (guide wheels and support wheels) after installation;
FIG. 5 is a top view of the rotating structure;
FIG. 6 is a schematic structural view of a rotary platform;
FIG. 7 is a schematic diagram showing the positional relationship among the chute, the feed hopper and the rotary platform;
FIG. 8 is a schematic structural view of the inclined chute;
FIG. 9 is a sectional view A-A of FIG. 8;
FIG. 10 is a cross-sectional view B-B of FIG. 8;
FIG. 11 is a cross-sectional view C-C of FIG. 8;
FIG. 12 is a cross-sectional view D-D of FIG. 8;
FIG. 13 is a schematic view of the inner and outer sleeves installed;
fig. 14 is a schematic view of the feed hopper.
In the figure: 100. a flat car is walked; 200. rotating the platform; 210. a platform base; 220. a guide wheel; 230. a support wheel; 300. a balancing weight; 400. an upper working platform; 410. a work platform rail; 500. a chute; 600. a feed hopper; 61. a cylindrical body; 62. a special-shaped bucket body; 610. a first sheave assembly; 620. a second sheave assembly; 700. A hinge assembly; 710. a hinged seat; 511. a middle sleeve limiting seat; 512. an outer sleeve limiting seat; 513. an inner sleeve limiting seat; 521. a middle sleeve rotation resisting pipe; 522. the outer sleeve pipe resists the rotary pipe; 523. an inner sleeve rotation-resisting pipe; 531. A middle sleeve guide pulley; 532. an outer sleeve guide pulley; 533. an inner sleeve guide pulley; 1. an inner sleeve; 2. An outer sleeve; a. a head end; b. a terminal end; 3. a guide pulley; 11. a second limiting component; 12. a first limit component; 22. a second rotation preventing pipe; 21. a first rotation-preventing pipe.
Detailed Description
The invention provides a method for driving an oblique sliding barrel to move in three dimensions, wherein the oblique sliding barrel is hinged with a platform, an amplitude variation mechanism is arranged between the oblique sliding barrel and the platform, and the pitching action of the oblique sliding barrel is realized by the movement of the amplitude variation mechanism; the bottom end of the platform is connected with a rotating mechanism, and the rotating mechanism drives the platform to rotate 360 degrees around the axis of the platform, so that the axial rotating action of the inclined sliding barrel is realized; the rotating mechanism is arranged on the moving trolley, and the forward and backward movement of the chute is realized by utilizing the forward and backward movement of the moving trolley.
The rotating mechanism drives the platform to rotate by means of a heavy hydraulic oil cylinder, the rotating mechanism needs to complete rotating action due to the fact that one-time jacking of the hydraulic oil cylinder is limited, the hydraulic oil cylinder needs to carry out jacking three times, the rotating mechanism can be rotated by 90 degrees, and two ends of the hydraulic oil cylinder are hinged.
And after each jacking stroke, the constructor takes out the middle bolt, the hydraulic oil cylinder retracts to the initial position, the constructor pushes the tail seat end of the hydraulic oil cylinder to the second back support, the bolt is inserted after the tail seat end of the hydraulic oil cylinder is aligned with the pin hole, and the hydraulic oil cylinder repeats jacking actions. Through the three-time replacement and insertion, the platform can be rotated to the position vertical to the track, and the rotating structure can complete 20-degree rotation angles at two sides under the pushing of the oil cylinder, so that the pile inserting action of the sliding barrel is facilitated.
The first implementation mode comprises the following steps:
the embodiment provides a method for driving an oblique sliding barrel to move in three dimensions, wherein the oblique sliding barrel is hinged with a platform, an amplitude variation mechanism is arranged between the oblique sliding barrel and the platform, and the pitching action of the oblique sliding barrel is realized by the movement of the amplitude variation mechanism; the bottom end of the platform is connected with a rotating mechanism, and the rotating mechanism drives the platform to rotate 360 degrees around the axis of the platform, so that the axial rotating action of the inclined sliding barrel is realized; the rotating mechanism is arranged on the moving trolley, and the forward and backward movement of the chute is realized by utilizing the forward and backward movement of the moving trolley.
The oblique swift current section of thick bamboo includes coaxial multisection barrel and feeder hopper, and the multisection barrel cup joints according to the preface, and the barrel tip of the innermost side is connected with the feeder hopper, and the feeder hopper is articulated with the platform, installs extending structure between the barrel and the feeder hopper in the outside.
The second embodiment:
the embodiment provides a method for driving an oblique sliding barrel to move in three dimensions, wherein the oblique sliding barrel is hinged with a platform, an amplitude variation mechanism is arranged between the oblique sliding barrel and the platform, and the pitching action of the oblique sliding barrel is realized by the movement of the amplitude variation mechanism; the bottom end of the platform is connected with a rotating mechanism, and the rotating mechanism drives the platform to rotate 360 degrees around the axis of the platform, so that the axial rotating action of the inclined sliding barrel is realized; the rotating mechanism is arranged on the moving trolley, and the forward and backward movement of the chute is realized by utilizing the forward and backward movement of the moving trolley.
The embodiment also provides a system based on the method, which comprises a driving mechanism, a movable trolley and a luffing mechanism, wherein:
the rotating mechanism drives the platform to rotate together, the rotating mechanism is positioned between the platform and the moving trolley, and the rotating mechanism is arranged on the moving trolley;
the moving trolley drives the platform to move back and forth together, and the moving trolley is powered by a power part;
the amplitude variation mechanism drives the inclined sliding barrel to realize pitching action, part of the amplitude variation mechanism is arranged on the inclined sliding barrel, the other part of the amplitude variation mechanism is arranged on the platform, and the inclined sliding barrel is hinged with the platform.
The third embodiment is as follows:
on the basis of the second embodiment, the embodiment discloses a lifting traction mechanism for the telescopic oblique chute.
The oblique swift current section of thick bamboo is installed in the side of platform, and an oblique swift current section of thick bamboo includes coaxial multisection barrel and feeder hopper, and multisection barrel cup joints according to the preface, and the barrel tip of innermost is connected with the feeder hopper, and the feeder hopper is articulated with the platform.
The hoisting and pulling mechanism comprises: the fixed pulleys are arranged on the outer peripheral wall of the barrel on the outermost side, the pulleys are arranged on the outer peripheral wall of the feed hopper, the same steel wire rope is wound around the fixed pulleys and the pulleys, and the tail end of the steel wire rope is fixed on the winch; the winch rotates, and the steel wire rope drives the fixed pulley on the barrel to move close to or far away from the pulley. Each pair of fixed pulleys are oppositely arranged, each pair of windlasses are also oppositely arranged, and the connecting line between the centers of the fixed pulleys and the centers of the pulleys positioned on the same side of the cylinder body is parallel to the axis of the cylinder body.
In the embodiment, the fixed pulley is pulled by the steel wire rope to move close to or far away from the pulley, so that the inclined sliding barrel can extend or contract. Specifically, the inclined chute barrel is mainly released by the dead weight of the chute barrel, and when the dead weight of the inclined chute barrel exceeds the friction force between the chute barrels, the inclined chute barrel starts to release, so that a certain angle needs to be ensured in the releasing process; the retraction of the inclined sliding barrel requires that a steel wire rope is pulled through a lifting fixed pulley, and when the traction force is larger than the dead weight of the sliding barrel and the friction force between the sliding barrel and the lifting fixed pulley, the inclined sliding barrel starts to retract. The inclined chute tube is released and recovered by adopting a winch to brake in cooperation with a steel wire rope, and the winch is used for controlling the telescopic length of the chute tube.
In the embodiment, the fixed pulley on the outer side of the cylinder body is pulled by the steel wire rope, the inclined sliding cylinder is controlled to be lowered and recovered to finish telescopic action, the outer cylinder body is mainly utilized to finish sliding action under the action of gravity, the rotating mechanism on the upper part of the moving trolley is rotated out, the inclined sliding cylinder begins to be lowered in a variable amplitude manner, the winch controlling the inclined sliding cylinder to be lowered begins to lower the steel wire rope, the friction force of the outer sleeve 2 is reduced, and the outer sleeve is slowly lowered under the action of gravity; the guide wheel 220 is arranged in the oblique sliding barrel, and when the oblique sliding barrel is recovered, the steel wire rope overcomes the rolling friction force to recover the outer sleeve 2 to the initial position.
The fourth embodiment:
the present embodiment discloses the telescopic structure of the triclinic chute of the first to third embodiments. The oblique sliding barrel comprises a multi-section barrel body and a feeding hopper which are coaxial, the multi-section barrel body is sequentially sleeved, and the end part of the barrel body at the innermost side is connected with the feeding hopper. The coaxial multi-section cylinder bodies are sequentially sleeved, and the diameters of different sleeved cylinder bodies are gradually reduced from inside to outside; the two cylinders which are sleeved with each other form an outer sleeve 2 and an inner sleeve 1.
As shown in fig. 13, the tail end of the inner sleeve 1 is always exposed outside the outer sleeve 2, and the head end of the inner sleeve 1 is always positioned inside the outer sleeve 2; the inner wall of the outer sleeve 2 is provided with M guide pulleys 3, all the guide pulleys 3 are simultaneously contacted with the inner sleeve 1 to guide the inner sleeve 1 to extend or contract along a set straight line, and M is more than or equal to 2; a first limiting component 12 is arranged on the inner wall of the outer sleeve 2, and the first limiting component 12 is arranged close to the tail end of the outer sleeve 2; a second limiting component 11 is arranged on the inner wall of the inner sleeve 1, and the second limiting component 11 is arranged close to the head end of the inner sleeve 1; the first stop assembly 12 and the second stop assembly 11 contact to prevent further extension of the inner sleeve 1.
The first limiting component 12 is 2N limiting seats, N is more than or equal to 1, and the 2N limiting seats are uniformly distributed along the inner wall of the outer sleeve 2 in 360 degrees; the second limiting component 11 is also 2N limiting seats, N is more than or equal to 1, and the 2N limiting seats are uniformly distributed along the outer wall of the inner sleeve 1 in 360 degrees; all the limiting seats on the outer sleeve 2 correspond to all the limiting seats on the inner sleeve 1 one by one. Preferably, N is 2, the two stopper bases constituting the first stopper element 12 are disposed to face each other, and the two stopper bases constituting the second stopper element 11 are disposed to face each other. In the radial projection of the outer sleeve 2, the first limiting assembly 12 separates the M guide pulleys 3 into two groups. The multi-section barrel is retracted by a pulling assembly which is connected to the end of the barrel of minimum diameter.
And a rotation resisting mechanism is arranged between the inner sleeve 1 and the outer sleeve 2 and is arranged on the inner sleeve 1 and/or the outer sleeve 2. The rotation resisting mechanisms are two pairs and are oppositely arranged. Each pair of rotation preventing mechanisms is positioned between the guide pulley 3 and the limiting seat. The rotation preventing mechanism consists of a first rotation preventing pipe 21 and a second rotation preventing pipe 22, the first rotation preventing pipe 21 is arranged on the inner wall of the outer sleeve 2, and the second rotation preventing pipe 22 is arranged on the outer wall of the inner sleeve 1; the two first rotation preventing tubes 21 are arranged oppositely, and the two second rotation preventing tubes 22 are also arranged oppositely. The rotation blocking mechanism is arranged between the inner sleeve 1 and the outer sleeve 2, and the rotation blocking mechanism prevents the inner sleeve 1 from rotating when extending or contracting, so that the inner sleeve 1 cannot rotate when extending or contracting along the axial direction. The rotation blocking mechanism of the invention can also ensure the normal work of the guide pulley 3.
In the embodiment, the guide pulley 3 guides the inner sleeve 1 to extend or contract along the axial direction, and the first limiting assembly 12 and the second limiting assembly 11 are contacted to prevent the inner sleeve 1 from extending continuously, so that the extension and contraction process of the inner sleeve 1 is more stable. In the present embodiment, the rotation preventing mechanism is provided between the inner sleeve 1 and the outer sleeve 2, and the rotation preventing mechanism prevents the inner sleeve 1 from rotating when the inner sleeve 1 extends or contracts, thereby preventing the inner sleeve 1 from rotating when the inner sleeve 1 extends or contracts in the axial direction. The rotation blocking mechanism of the present embodiment can also ensure the normal operation of the guide pulley 3.
This embodiment selects two spacing seats to limit the maximum axial displacement of inner skleeve 1, can reduce the quantity of every spacing seat of group, provides more installation space for leading pulley 3 again. In the embodiment, the guide pulley 3 guides the inner sleeve 1 to extend or contract along the axial direction, and the first limiting assembly 12 and the second limiting assembly 11 are contacted to prevent the inner sleeve 1 from extending continuously, so that the extension and contraction process of the inner sleeve 1 is more stable.
In the embodiment, the chute tube structure comprises X sections of tube bodies, wherein X is more than or equal to 2, the diameter of the first section of tube body is the largest, the diameter of the X section of tube body is the smallest, the first section of tube body is sleeved with the second section of tube body, the second section of tube body is sleeved with the third section of tube body, and the like, the X-1 section of tube body is sleeved with the X section of tube body, so that the first section of tube body and the second section of tube body form an outer sleeve 2 and an inner sleeve 1, the second section of tube body and the third section of tube body form an outer sleeve 2 and an inner sleeve 1, the third section of tube body and the fourth section of tube body form an outer sleeve 2 and an inner sleeve 1, and the like, the X-1 section of tube body and the X section.
The fifth embodiment:
in addition to the first to fourth embodiments, the present embodiment discloses a detailed structure of the rotating mechanism. The bottom end of the rotary platform 200 is provided with a cavity, the rotary mechanism is installed on the platform base 210, the platform base 210 is fixed on the upper surface of the walking flat car 100, and the platform base 210 extends into the cavity, so that the rotary mechanism is in contact with the peripheral wall of the cavity. In this embodiment, the platform base 210 is used to fix the rotating mechanism, the platform base 210 is fixed on the walking platform 100 and inserted into the cavity of the rotating platform 200, the rotating mechanism installed on the platform base 210 contacts with the peripheral wall of the cavity, and the rotating mechanism rotates to drive the rotating platform 200 to rotate. The rotary platform 200 of this embodiment is seated on the platform base 210, and the friction between the wheel body and the cavity provides the rotary power for the rotary platform 200.
The rotating mechanism comprises M guide wheels 220 and M guide wheel seats, the horizontal section of the platform base 210 is circular, the M guide wheels 220 are uniformly distributed on the platform base 210 in 360 degrees around the axis of the platform base 210, each guide wheel 220 is installed on the peripheral wall of the platform base 210 through the guide wheel seat, and the wheel bodies of all the guide wheels 220 are in contact with the peripheral wall of the cavity.
The rotating mechanism further comprises X supporting wheel 230 seats and X supporting wheels 230, the X supporting wheels 230 are mounted on the upper surface of the platform base 210 through the X supporting wheel 230 seats, the X supporting wheels 230 are in contact with the top wall of the cavity, and the X supporting wheels 230 provide a fulcrum for the rotating platform 200.
Embodiment six:
on the basis of the first to fifth embodiments, the present embodiment discloses a luffing mechanism. The luffing mechanism comprises: the first pulley assembly 610 is installed on the oblique sliding barrel, the second pulley assembly 620 is installed on the platform, the traction rope used for connecting the first pulley block and the second pulley block and the winch for controlling the length of the traction rope are used for pulling the first pulley assembly 610 through the traction rope, and the oblique sliding barrel rotates around the hinged support under the action of the traction force of the winch to finish amplitude variation action.
The feeding hopper is formed by axially splicing a cylindrical body and a special-shaped hopper body, the cylindrical body is fixedly connected with the special-shaped hopper body through a flange plate, and the sliding barrel is inserted into the inner cavity of the cylindrical body and is fixedly connected with the cylindrical body. The axis of the special-shaped bucket body consists of an oblique line and a vertical line extending from the tail end of the oblique line, and the vertical line is superposed with the axis extending line of the cylindrical body; the oblique line is located directly above the vertical line. The first pulley assembly 610 is installed on the special-shaped bucket body where the oblique line is located, and the hinge base is installed on the special-shaped bucket body where the vertical line is located.
Embodiment seven:
as shown in fig. 2 and 7, the present embodiment provides an oblique chute apparatus, comprising a walking platform 100, a rotating platform 200, a feeding hopper and a chute, wherein the rotating platform 200 is arranged on the walking platform 100, and a rotating structure is arranged between the rotating platform 200 and the walking platform 100, and rotates 360 degrees around the axis of the rotating structure to realize the left and right angle adjustment of the chute; the feeding hopper is arranged on the side surface of the rotating platform 200, the sliding barrel is arranged below the feeding hopper, the feeding hopper is connected with the rotating platform 200 through a hinge seat, and the hinge seat realizes the lower amplitude variation motion of the sliding barrel under the self-weight action of the sliding barrel; the feeding hopper is provided with a first pulley assembly 610, the rotary platform 200 is provided with a second pulley assembly 620, and the first pulley block, the second pulley block and a traction rope group used for connecting the first pulley block and the second pulley block form a pulley system which realizes the upward amplitude movement of the sliding barrel.
The pulley system is located the side of articulated seat, and first loose pulley assembly 610 comprises the first fixed pulley of N +1 parallel arrangement, and second loose pulley assembly 620 comprises the second fixed pulley of N +1 parallel arrangement, and every first fixed pulley passes through the haulage rope with its second fixed pulley that corresponds to be connected, and N +1 haulage rope is parallel to each other. And a luffing mechanism is arranged between each first fixed pulley and the feed hopper, and the luffing mechanism and the corresponding first fixed pulley form a luffing fixed pulley. A pulley system is mounted on the rotary platform 200 parallel to the hinge assembly 700.
As shown in fig. 7, the hinge assembly 700 includes a hinge base and a post, the post is installed on the rotary platform 200, the hinge base is installed on the feeding hopper, and the hinge base and the post are hinged by a pin. Articulated seat comprises mount pad and cantilever, and the mount pad is installed on the feeder hopper, and the cantilever slope is installed downwards on the mount pad, the head end of cantilever and the bottom surface fixed connection of mount pad, and the end of cantilever passes through the bolt with the stand and articulates.
As shown in fig. 7 and 14, the feed hopper 600 is formed by axially splicing a cylindrical body 61 and a shaped body 62, the cylindrical body 61 and the shaped body 62 are fixedly connected by a flange, and a chute is inserted into an inner cavity of the cylindrical body 61 and fixedly connected with the cylindrical body 61. The axis of the special-shaped bucket body 62 consists of an oblique line and a vertical line extending from the tail end of the oblique line, and the vertical line is superposed with the axis extending line of the cylindrical body 61; the oblique line is located directly above the vertical line. The first pulley assembly 610 is installed on the special-shaped bucket body 62 with the oblique line, and the hinge seat is installed on the special-shaped bucket body 62 with the vertical line.
As shown in fig. 3 to 5, the bottom end of the rotary platform 200 is provided with a cavity, the rotary structure is mounted on a platform base 210, the platform base 210 is fixed on the upper surface of the walking flat car 100, and the platform base 210 extends into the cavity, so that the rotary structure is in contact with the peripheral wall of the cavity. The rotating structure comprises M guide wheels 220, M guide wheel seats, X support wheel seats 230 and X support wheels 230, the horizontal section of the platform base 210 is circular, the M guide wheels 220 are uniformly distributed on the platform base 210 in 360 degrees around the axis of the platform base 210, each guide wheel 220 is installed on the peripheral wall of the platform base 210 through the guide wheel seat, and the wheel bodies of all the guide wheels 220 are in contact with the peripheral wall of the cavity. The X support wheels 230 are seated on the upper surface of the platform base 210 by the X support wheels 230, the X support wheels 230 are in contact with the top wall of the cavity, and the X support wheels 230 provide a fulcrum for the rotation platform 200.
The left and right angle adjustment of the sliding barrel is realized by utilizing 360-degree rotation of the rotating structure, the upper amplitude variation motion of the sliding barrel is realized by utilizing the pulley system, and the lower amplitude variation motion of the sliding barrel is realized by utilizing the matching of the self weight of the sliding barrel and the hinged seat. In this embodiment, the platform base 210 is used to fix the rotating structure, the platform base 210 is fixed on the walking platform 100 and inserted into the cavity of the rotating platform 200, the rotating structure installed on the platform base 210 contacts with the peripheral wall of the cavity, and the rotating structure rotates to drive the rotating platform 200 to rotate. The rotary platform 200 of this embodiment is seated on the platform base 210, and the friction between the wheel body and the cavity provides the rotary power for the rotary platform 200.
This embodiment has the following advantages:
1. the left and right angle adjustment of the sliding barrel is realized by utilizing 360-degree rotation of the rotating structure, the upper amplitude variation motion of the sliding barrel is realized by utilizing the pulley system, and the lower amplitude variation motion of the sliding barrel is realized by utilizing the matching of the self weight of the sliding barrel and the hinged seat.
2. In this embodiment, the pulley system is disposed at the side of the hinge base, so as to minimize the area of the rotary platform 200.
3. The chute tube of the embodiment is fixedly connected with the inner cavity of the feeding hopper after being inserted into the feeding hopper, so that the feeding hopper is stably and reliably connected with the chute tube body.
4. The first pulley assembly 610 of this embodiment is installed near the top end of the feeding hopper, and the highest point of the first pulley assembly 610 exceeds the upper surface of the feeding hopper, so that the clamping between the connection line between the first pulley assembly 610 and the second pulley assembly 620 and the surface (i.e. horizontal plane) of the rotating platform 200 is the largest, and thus the pulley system consisting of the first pulley assembly 610, the second pulley assembly 620 and the traction rope is more labor-saving when lifting the chute.
5. The hinge assembly 700 and the first pulley assembly 610 of the present embodiment are installed on the same side, so that the connecting fulcrum of the hinge assembly 700 and the rotating platform 200 is located on the same side as the first pulley assembly 610, and the feeding hopper rotates around the connecting fulcrum, thereby reducing the moment borne by the first pulley assembly 610 and the steel wire rope.
6. The amplitude-variable fixed pulley can change the contact position range of the first fixed pulley and the steel wire rope, and is more beneficial to the work of a pulley block.
Claims (10)
1. A method for driving an oblique sliding barrel to move in three dimensions is characterized in that the oblique sliding barrel is hinged with a platform, an amplitude variation mechanism is arranged between the oblique sliding barrel and the platform, and the pitching action of the oblique sliding barrel is realized by the movement of the amplitude variation mechanism;
the bottom end of the platform is connected with a rotating mechanism, and the rotating mechanism drives the platform to rotate 360 degrees around the axis of the platform, so that the axial rotating action of the inclined chute barrel is realized;
the rotating mechanism is arranged on the moving trolley, and the forward and backward movement of the chute is realized by utilizing the forward and backward movement of the moving trolley.
2. The method for driving the three-dimensional motion of the inclined chute barrel as claimed in claim 1, wherein the inclined chute barrel comprises a plurality of coaxial barrel bodies and a feed hopper, the plurality of barrel bodies are sequentially sleeved, the end part of the innermost barrel body is connected with the feed hopper, the feed hopper is hinged with the platform, and a telescopic structure is arranged between the outermost barrel body and the feed hopper.
3. A system based on a method for driving a slant chute barrel to move in three dimensions is characterized by comprising the following steps:
the rotating mechanism drives the platform to rotate together, the rotating mechanism is positioned between the platform and the moving trolley, and the rotating mechanism is arranged on the moving trolley;
the moving trolley drives the platform to move back and forth together, and the moving trolley is powered by a power part;
and the amplitude variation mechanism drives the inclined sliding barrel to realize pitching action, part of the amplitude variation mechanism is arranged on the inclined sliding barrel, the other part of the amplitude variation mechanism is arranged on the platform, and the inclined sliding barrel is hinged with the platform.
4. The system of claim 3, wherein the inclined chute is installed at the side of the platform, the inclined chute comprises a plurality of coaxial cylinders and a feed hopper, the plurality of cylinders are sleeved in sequence, the end part of the innermost cylinder is connected with the feed hopper, and the feed hopper is hinged with the platform.
5. The system of claim 4, wherein at least one pair of fixed pulleys is mounted on the outer peripheral wall of the outermost cylinder, and at least one pair of pulleys is mounted on the outer peripheral wall of the feed hopper;
the same steel wire rope rounds the fixed pulley and the pulley, and the tail end of the steel wire rope is fixed on the winch;
the winch rotates, and the steel wire rope drives the fixed pulley on the barrel to move close to or far away from the pulley.
6. The system of claim 5, wherein the fixed pulleys of each pair are installed to face each other, the winding machines of each pair are installed to face each other, and a line between the centers of the fixed pulleys and the centers of the pulleys on the same side of the drum is parallel to the axis of the drum.
7. The system as set forth in claim 3, wherein the horn comprises: the first pulley assembly is arranged on the oblique sliding barrel, the second pulley assembly is arranged on the platform, the traction rope is used for connecting the first pulley block and the second pulley block, and the winch is used for controlling the length of the traction rope.
8. The system of claim 7, wherein the first pulley assembly comprises N +1 first fixed pulleys arranged in parallel, the second pulley assembly comprises N +1 second fixed pulleys arranged in parallel, each first fixed pulley is connected with its corresponding second fixed pulley by a traction rope, and the N +1 traction ropes are parallel to each other.
9. The system of claim 7, wherein the hinged support comprises a hinged seat and a post, the post is mounted on the platform, the hinged seat is mounted on the inclined chute, and the hinged seat and the post are hinged by a pin.
10. The system of claim 3, wherein the bottom end of the platform is provided with a cavity, the rotating mechanism is mounted on a platform base, the platform base is fixed on the upper surface of the walking flat car, and the platform base extends into the cavity so that the rotating mechanism is in contact with the peripheral wall of the cavity;
the rotary mechanism comprises M guide wheels and M guide wheel seats, the horizontal section of the platform base is circular, the M guide wheels are uniformly distributed on the platform base in an angle of 360 degrees around the axis of the platform base, each guide wheel is installed on the peripheral wall of the platform base through the guide wheel seat, and the wheel bodies of all the guide wheels are in contact with the peripheral wall of the cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911027757.9A CN110790205A (en) | 2019-10-28 | 2019-10-28 | Method for driving oblique chute barrel to move in three dimensions and driving system based on method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911027757.9A CN110790205A (en) | 2019-10-28 | 2019-10-28 | Method for driving oblique chute barrel to move in three dimensions and driving system based on method |
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| CN110790205A true CN110790205A (en) | 2020-02-14 |
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Application publication date: 20200214 |