CN116495625B - Suspension device for port crane - Google Patents
Suspension device for port crane Download PDFInfo
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- CN116495625B CN116495625B CN202310779300.3A CN202310779300A CN116495625B CN 116495625 B CN116495625 B CN 116495625B CN 202310779300 A CN202310779300 A CN 202310779300A CN 116495625 B CN116495625 B CN 116495625B
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- gravity center
- shaped
- mounting substrate
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- 239000000725 suspension Substances 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 230000005484 gravity Effects 0.000 claims abstract description 61
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 66
- 238000007689 inspection Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The application discloses suspension equipment for a port crane, which belongs to the field of cranes and comprises a steel wire rope, wherein the lower end of the steel wire rope is wound with a pulley winding; the mounting substrate is fixedly connected to the lower end of the pulley winding through a rope; the interference prevention mechanism is fixedly connected to the rear surface of the mounting substrate; the bottom plates are fixedly connected with the interference prevention mechanisms respectively; the gravity center detection mechanism is arranged between the two bottom plates and the mounting substrate and is used for detecting whether the gravity center of the current clamping position deviates; the device comprises a main detection mechanism fixedly connected to the middle position of the lower surface of the mounting substrate and two pressure sensing mechanisms respectively fixedly connected to the inner bottom surfaces of the two bottom plates; and a gravity center adjusting mechanism. Through setting up focus detection mechanism, can automated inspection material's focus skew condition, improved testing result's accuracy and detection efficiency, simultaneously, the application can also carry out focus detection to the column material that both ends structure and weight are inconsistent, and then make things convenient for the staff to adjust.
Description
Technical Field
The application relates to the field of cranes, in particular to suspension equipment for port cranes.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, also called crown block, aerial crane and crane, and the working characteristics of the hoisting equipment are that the hoisting equipment does intermittent motion, namely, the corresponding mechanisms of the actions of taking materials, transporting, unloading and the like in one working cycle work alternately.
And the crane needs to hang the hung object through hanging equipment, so that the carrying work of the hung object can be conveniently and rapidly completed, and common hanging equipment comprises a lifting hook, a hanging belt, a hanging ring, a lifting sucker and the like.
The existing crane hanging equipment cannot automatically center and clamp the article when the article is hoisted, so that the gravity center of the article is unstable during hoisting, and the hanging equipment can rotate due to gravity or inertia and the like during hoisting, so that a steel wire rope is twisted and wound, the crane cannot work, and meanwhile, the hoisted article is easy to fall off, and the safety of personnel and equipment is threatened.
Aiming at the technical problems, the Chinese patent with the authorized bulletin number of CN215249143U discloses an automatic centering anti-rotation lifting appliance of a crane, the device adopts a driving mechanism to drive two clamping jaws to centering and clamp towards a middle article, and is matched with a sliding rail, a sliding block, a connecting plate and a mounting plate, so that the article can be clamped between the two clamping jaws, the clamping is stable and the falling off is prevented, and at least two connecting ropes are adopted, so that the lifting stability can be improved, and the winding of the connecting ropes is prevented.
However, in actual use scenarios, such as port cargo handling, to determine whether the clamping jaw has reached centering clamping for some longer columnar materials, such as steel pipes, logs, etc., so as to maintain lifting stability, usually only visual observation can be performed through an operator, however, the observation mode is subject to large errors due to observation factors, and is easy to cause asymmetric material weights at two sides of the clamping position of the clamping jaw, so that the whole gravity center is deviated, the clamping jaw and the whole material rotate, and the wire rope is twisted and wound.
For this purpose, a suspension device for a port crane is proposed.
Disclosure of Invention
Aiming at the problems in the prior art, the application aims to provide a suspension device for a crane, which can judge the position of the gravity center of a material and adjust the gravity center of the material.
In order to solve the problems, the application adopts the following technical scheme.
The suspension device for the harbor crane comprises a steel wire rope, wherein the lower end of the steel wire rope is wound with a pulley winding;
also included is a method of manufacturing a semiconductor device,
the mounting substrate is fixedly connected to the lower end of the pulley winding through a rope;
the interference prevention mechanism is fixedly connected to the rear surface of the mounting substrate;
the bottom plate is provided with two bottom plates which are fixedly connected with the interference prevention mechanisms respectively;
the gravity center detection mechanism is arranged between the two bottom plates and the mounting substrate and is used for detecting whether the gravity center of the current clamping position deviates; the device comprises a main detection mechanism fixedly connected to the middle position of the lower surface of the mounting substrate and two pressure sensing mechanisms respectively fixedly connected to the inner bottom surfaces of the two bottom plates;
and the gravity center adjusting mechanisms are provided with two and are respectively fixedly connected to the side surfaces of the two bottom plates, and are used for adjusting the gravity center positions of the clamping materials.
Further, the main detection mechanism comprises a connecting frame fixedly connected to the middle position of the lower surface of the mounting substrate, a through groove is formed in the middle position of the inner bottom surface of the connecting frame, four first telescopic rods are arranged on the inner bottom surface of the connecting frame in a rectangular shape close to the through groove, the upper ends of the four first telescopic rods are fixedly connected with a top plate together, a clamping plate is fixedly connected to the middle position of the lower surface of the top plate, and the clamping plate is correspondingly arranged with the through groove;
the edges of two sides of the lower surface of the connecting frame are fixedly connected with two skirtboards, the rotating connecting piece is connected through rotation of the two skirtboards, a first pneumatic clamping jaw is arranged at the lower end of the rotating connecting piece, and clamping grooves are formed in positions, corresponding to the clamping plates and the through grooves, of the upper end of the rotating connecting piece.
Further, the pressure sensing mechanism comprises an outer sleeve fixedly connected to the inner bottom surface of the bottom plate, the lower end of the outer sleeve is fixedly connected with a limiting frame, an inner slide rod is connected inside the outer sleeve in a sliding manner, the upper end of the inner slide rod penetrates through the outer sleeve and is fixedly connected with a retaining rod, the upper end of the retaining rod is fixedly connected with an arc-shaped supporting plate, and a detection part is further arranged at one side of the lower surface of the retaining rod, corresponding to the position of the arc-shaped supporting plate;
the outer sleeve lower extreme links firmly the spacing, and the lower extreme of interior slide bar has linked firmly the depression bar, and the opening that supplies the depression bar to stretch out is seted up to spacing bottom, the depression bar lower extreme runs through the spacing and links firmly the positive plate, spacing, the depression bar, the positive plate all sets up inside the bottom plate, and the inside negative plate that corresponds with the positive plate that still is equipped with of bottom plate, negative plate one end is equipped with connecting wire and passes through connecting wire electric connection communication module, connecting wire electric connection No. one battery is passed through to communication module's one end, no. one battery passes through connecting wire and positive plate electric connection.
Further, the detection part comprises a fixed plate fixedly connected to the lower surface of the retaining rod through a bolt, the lower surface of the fixed plate is fixedly connected with a compression spring, and the lower end of the compression spring is fixedly connected with the inner bottom surface of the bottom plate through the fixedly connected fixed plate.
Further, the interference prevention mechanism comprises connecting seats fixedly connected to two sides of the rear surface of the mounting substrate, wherein a motor is fixedly connected to the side surface of one connecting seat, the output end of the motor is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with the two connecting seats, two ends of the outer circular surface of the rotating shaft are fixedly connected with rotating sleeves, and the rotating sleeves are correspondingly and fixedly connected with the bottom plate.
Further, focus guiding mechanism is including linking firmly the U type frame in bottom plate side surface, U type frame rear surface has linked firmly No. two motors, no. two motor's output links firmly special-shaped gear, special-shaped gear outside meshing is connected special-shaped ring gear, and special-shaped gear rotates a week, special-shaped ring gear reciprocating motion is once, two ejector pins are linked firmly respectively at special-shaped ring gear's both ends, one of them ejector pin runs through U type frame and links firmly No. two telescopic links, no. two pneumatic clamping jaw of lower extreme links firmly of No. two telescopic links, another ejector pin is equipped with feedback control mechanism with the hookup location of U type frame, no. one pneumatic clamping jaw is inside to be equipped with the cooperation mechanism.
Further, the cooperation mechanism is including seting up in the inside chamber of accomodating of pneumatic clamping jaw, accomodates the intracavity wall and is equipped with No. three telescopic links, and No. three telescopic link's one end links firmly the arc splint, and the surface rotation of arc splint is connected with evenly distributed's ball.
Further, the feedback control mechanism comprises a shell fixedly connected to one side of the U-shaped frame, moving holes for the ejector rods to move are formed in two ends of the shell, a second storage battery and a singlechip are arranged at the inner top of the shell, a first pressing switch is arranged on the inner wall of one side of the shell, a second pressing switch is arranged on the inner wall of the other side of the shell, and a pressing piece is fixedly connected to the outer circular surface of the ejector rods inside the shell.
Further, the first pressing switch and the second pressing switch are respectively combined with the second storage battery and the singlechip into a serial circuit.
Further, the clamping center positions of the pneumatic clamping jaws II and the pneumatic clamping jaws I on the two gravity center adjusting mechanisms are at the same horizontal height.
Compared with the prior art, the application has the beneficial effects that:
(1) According to the application, the gravity center detection mechanism is arranged, so that the gravity center deviation condition of the material can be automatically detected, compared with the mode of naked eye observation of operators in the prior art, the accuracy and detection efficiency of the detection result are improved, the problem that the gravity center deviation of the material is caused by the fact that errors exist in gravity center judgment, and the clamping jaw and the whole material rotate, so that a steel wire rope is twisted and wound is avoided;
(2) According to the application, the detection part is arranged, the upper end of the compression spring of the detection part is fixedly connected with the retaining rod through the fixing plate and the bolt, the lower end of the compression spring of the detection part is fixedly connected with the inner bottom surface of the bottom plate through the fixing plate and the bolt, and when materials with different weights or accurately large weight differences are conveyed, the compression spring can be replaced by the bolt, so that the stiffness coefficient of the working compression spring 7 meets the working requirement, and the normal working of the gravity center detection mechanism is ensured;
(3) According to the application, the interference prevention mechanism is arranged, when the primary detection mechanism lifts the material before detection, the first motor works to drive the rotating shaft to rotate, and the rotating shaft drives the two rotating sleeves to rotate, so that the two bottom plates fixedly connected with the rotating sleeves rotate to one side by taking the rotating sleeves as circle centers, the first pneumatic clamping jaw can clamp the ground material, the normal work of the gravity center detection mechanism is further ensured, and the mutual interference between the mechanisms is avoided;
(4) According to the application, the gravity center adjusting mechanism is arranged, so that firstly, compared with the prior art, the operation of clamping the material without putting down and then re-selecting the clamping point and then carrying out gravity center detection is realized, the operation is simple and convenient, the efficiency is higher, meanwhile, in the adjusting process, the gravity center detecting mechanism can be used for detecting in real time, the accuracy of adjustment is ensured, and the carrying efficiency of the material is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall frontal structure of the present application;
FIG. 2 is a schematic diagram of a main detecting mechanism according to the present application;
FIG. 3 is a schematic diagram of a pressure sensing mechanism according to the present application;
FIG. 4 is a schematic view of the overall rear structure of the present application;
FIG. 5 is a schematic diagram of the front structure of the gravity center adjusting mechanism of the present application;
FIG. 6 is a schematic view of the back structure of the center of gravity adjusting mechanism of the present application;
FIG. 7 is a schematic view of the mating mechanism of the present application;
FIG. 8 is a schematic diagram of a feedback control mechanism according to the present application.
The reference numerals in the figures illustrate:
1. a wire rope; 2. a pulley winding; 3. a mounting substrate;
4. an interference prevention mechanism; 41. a motor I; 42. a rotating shaft; 43. rotating the sleeve; 44. a connecting seat;
5. a gravity center adjusting mechanism; 51. a U-shaped frame; 52. a feedback control mechanism; 521. a first press switch; 522. a second storage battery; 523. a single chip microcomputer; 524. a housing; 525. a second push switch; 526. a pressing member; 53. a push rod; 54. a special-shaped toothed ring; 55. a motor II; 56. a special-shaped gear; 57. a second telescopic rod; 58. pneumatic clamping jaw II;
6. a bottom plate;
7. a pressure sensing mechanism; 71. an outer sleeve; 72. a limiting frame; 73. a compression bar; 74. a positive plate; 75. a negative plate; 76. connecting wires; 77. a communication module; 78. a first storage battery; 79. a compression spring; 710. a fixing plate; 711. an arc-shaped supporting plate; 712. a holding rod; 713. an inner slide bar;
8. a main detection mechanism; 81. a connecting frame; 82. a top plate; 83. a clamping plate; 84. a first telescopic rod; 85. a through groove; 86. a clamping groove; 87. rotating the connecting piece; 88. a first pneumatic clamping jaw; 89. a third telescopic rod; 810. a storage chamber; 811. an arc clamping plate; 812. and (3) rolling balls.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.
Referring to fig. 1 to 8, a suspension device for a port crane, which has a length of 5M, a height of 3M and a width of 1.5M, is applicable to a QTZ7520 type crane, and has a maximum lifting weight of 16T, a maximum arm length of 75M and a rated lifting moment of 2800kn·m.
The pulley winding device comprises a steel wire rope 1, wherein the lower end of the steel wire rope 1 is wound with a pulley winding 2; the installation base plate 3 is fixedly connected to the lower end of the pulley winding 2 through a rope; the interference prevention mechanism 4 is fixedly connected to the rear surface of the mounting substrate 3; the bottom plates 6 are provided with two, and are respectively fixedly connected with the interference prevention mechanisms 4; the gravity center detection mechanism is arranged between the two bottom plates 6 and the mounting substrate 3 and is used for detecting whether the gravity center of the current clamping position deviates; the device comprises a main detection mechanism 8 fixedly connected to the middle position of the lower surface of the mounting substrate 3 and two pressure sensing mechanisms 7 respectively fixedly connected to the inner bottom surfaces of the two bottom plates 6; and the gravity center adjusting mechanisms 5 are provided with two and are respectively fixedly connected to the side surfaces of the two bottom plates 6 and are used for adjusting the gravity center positions of the clamping materials.
As shown in fig. 2, the main detection mechanism 8 comprises a connecting frame 81 fixedly connected to the middle position of the lower surface of the mounting substrate 3, a through groove 85 is formed in the middle position of the inner bottom surface of the connecting frame 81, four first telescopic rods 84 are rectangular at the position, close to the through groove 85, of the inner bottom surface of the connecting frame 81, the upper ends of the four first telescopic rods 84 are fixedly connected with a top plate 82 together, a clamping plate 83 is fixedly connected to the middle position of the lower surface of the top plate 82, and the clamping plate 83 and the through groove 85 are correspondingly arranged;
the two skirtboards are fixedly connected to the edges of the two sides of the lower surface of the connecting frame 81, the rotating connecting piece 87 is connected through the rotation of the two skirtboards, a first pneumatic clamping jaw 88 is arranged at the lower end of the rotating connecting piece 87, and clamping grooves 86 are formed in the upper end of the rotating connecting piece 87 and correspond to the clamping plates 83 and the through grooves 85.
Firstly, lifting a columnar material to be conveyed to a certain height by utilizing a main detection mechanism 8 so as to facilitate the detection and adjustment of the gravity center, shortening a first telescopic rod 84 during lifting, driving a top plate 82 to descend, enabling a clamping plate 83 to pass through a through groove 85 and be clamped in a clamping groove 86, fixing a first pneumatic clamping jaw 88 immediately after a rotating connecting piece 87 is clamped, and preventing rotation, at the moment, putting down the first pneumatic clamping jaw 88 through a steel wire cable 1 to clamp the columnar material on the ground, lifting the first pneumatic clamping jaw 88 and the clamped material to a certain height through the steel wire cable 1 (according to the length of the material, ensuring that both ends of the material do not contact the ground during the detection of the gravity center), and carrying out the detection of the gravity center of the material after the steel wire cable 1 lifts the clamped material to a certain height;
the method comprises the following steps: the first telescopic rod 84 arranged in the main detection mechanism 8 stretches, the clamping plate 83 is separated from the clamping groove 86 and is retracted into the connecting frame 81 through the through groove 85, at the moment, the first pneumatic clamping jaw 88 connected with the rotary connecting piece 87 and the clamped material are not fixed by external acting force, if the weight of the two ends of the clamped position of the material is inconsistent, namely the center of gravity of the material deviates from the same vertical plane with the clamp, the heavier end can take the rotary connecting piece 87 as an origin under the action of the gravity of the material, the first pneumatic clamping jaw 88 is driven to rotate and move downwards, then the pressure sensing mechanism 7 positioned on the inner bottom surface of the bottom plate 6 is pressed, and the pressure sensing mechanism 7 starts to work;
as shown in fig. 3, the pressure sensing mechanism 7 comprises an outer sleeve 71 fixedly connected to the inner bottom surface of the bottom plate 6, a limiting frame 72 is fixedly connected to the lower end of the outer sleeve 71, an inner slide rod 713 is slidably connected to the inner sleeve 71, the upper end of the inner slide rod 713 penetrates through the outer sleeve 71 and is fixedly connected with a retaining rod 712, an arc-shaped supporting plate 711 is fixedly connected to the upper end of the retaining rod 712, and a detection part is further arranged at one side of the lower surface of the retaining rod 712 corresponding to the position of the arc-shaped supporting plate 711;
the lower extreme of outer sleeve 71 links firmly spacing 72, the lower extreme of interior slide bar 713 links firmly depression bar 73, and the opening that supplies depression bar 73 to stretch out is seted up to spacing 72 bottom, the depression bar 73 lower extreme runs through spacing 72 and links firmly positive plate 74, spacing 72, depression bar 73, positive plate 74 all set up inside bottom plate 6, and inside negative plate 75 that corresponds with positive plate 74 that still is equipped with of bottom plate 6, negative plate 75 one end is equipped with connecting wire 76 and passes through connecting wire 76 electric connection communication module 77, communication module 77's one end passes through connecting wire 76 electric connection No. one battery 78, no. one battery 78 passes through connecting wire 76 and positive plate 74 electric connection.
When the pressure sensing mechanism 7 works, the arc-shaped supporting plate 711 moves downwards under the action of the gravity of a material, drives the holding rod 712 and the inner sliding rod 713 to move downwards, simultaneously, the detection part at the other end below the holding rod 712 is compressed and contracted to generate elastic deformation, elastic potential energy is accumulated, when the inner sliding rod 713 moves downwards, the pressing rod 73 and the positive plate 74 fixedly connected with the inner sliding rod 713 are driven to move downwards, when the positive plate 74 moves downwards, the positive plate 74 contacts with the negative plate 75, and then the communication module 77 is connected with a serial circuit formed by the communication module 77 and the first storage battery 78 through the connecting wire 76, the communication module 77 works and transmits signals to a crane control system, and further, workers can accurately detect the gravity center deviation condition of the material (which end of the material is heavier at two sides of the clamp and which end of the material is lighter);
according to the application, the gravity center detection mechanism is arranged, so that the gravity center deviation condition of the material can be automatically detected, compared with the mode of naked eye observation of operators in the prior art, the accuracy and detection efficiency of the detection result are improved, the problem that the gravity center deviation of the material is caused by the fact that errors exist in gravity center judgment, and the clamping jaw and the whole material rotate, so that the steel wire rope 1 is twisted and wound is solved.
As shown in fig. 3, the detecting portion includes a fixing plate 710 fixedly connected to the lower surface of the holding rod 712 by a bolt, the lower surface of the fixing plate 710 is fixedly connected to the compression spring 79, and the lower end of the compression spring 79 is fixedly connected to the inner bottom surface of the bottom plate 6 by the fixedly connected fixing plate 710.
The pressure sensing mechanism 7 utilizes the elastic deformation of the detection part to realize the opening and closing of the positive plate 74 and the negative plate 75, however, for materials with different weight conditions, such as cement columns and steel pipes, the weight difference is too large, if the pressure spring 79 with a larger stiffness coefficient is used, the small weight material cannot enable the detection part to work or detect insensitively, if the pressure spring 79 with a smaller stiffness coefficient is used, the large weight material can easily press the pressure spring 79 to excessively deform so as to damage the pressure spring 79, therefore, the upper end of the pressure spring 79 of the detection part is fixedly connected with the retaining rod 712 through the fixing plate 710 and the bolts, the lower end of the pressure spring 79 is fixedly connected with the inner bottom surface of the bottom plate 6 through the fixing plate 710 and the bolts, when materials with different weights or accurately large weight differences are conveyed, the bolts can be screwed to detach the pressure spring 79 and the fixing plate 710 which are not in accordance with requirements from the device, and then the pressure spring 79 with a proper stiffness coefficient is replaced by the new pressure spring 79, and the fixing plate 710 fixedly connected with the bolts which are used for fixing the pressure spring 79, so that the pressure spring 79 is fixedly connected with the pressure spring is fixedly arranged, and the upper end of the pressure spring is fixedly connected with the fixing plate 710, so that the pressure spring 79 meets the working requirements that the working stiffness coefficient is ensured to meet the normal.
As shown in fig. 4, the interference preventing mechanism 4 includes connection seats 44 fixedly connected to two sides of the rear surface of the mounting substrate 3, wherein a first motor 41 is fixedly connected to a side surface of one connection seat 44, an output end of the first motor 41 is fixedly connected to a rotating shaft 42, the rotating shaft 42 is rotationally connected to the two connection seats 44, two ends of an outer circular surface of the rotating shaft 42 are fixedly connected to rotating sleeves 43, and the rotating sleeves 43 are correspondingly and fixedly connected to the bottom plate 6.
When the main detection mechanism 8 is used for lifting the materials before the materials are detected, if the bottom plate 6 is positioned below the main detection mechanism 8, the first pneumatic clamping jaw 88 cannot clamp the columnar materials on the ground and affects the normal operation of the hanging equipment, and the first motor 41 is used for driving the rotating shaft 42 to rotate when the main detection mechanism 8 is used for lifting the materials before the detection, the rotating shaft 42 can drive the two rotating sleeves 43 to rotate, so that the two bottom plates 6 fixedly connected with the rotating sleeves 43 rotate to one side by taking the rotating sleeves 43 as circle centers, the first pneumatic clamping jaw 88 can clamp the materials on the ground, the normal operation of the gravity center detection mechanism is further ensured, and mutual interference among the mechanisms is avoided.
As shown in fig. 5, the gravity center adjusting mechanism 5 includes a U-shaped frame 51 fixedly connected to a side surface of the bottom plate 6, a second motor 55 is fixedly connected to a rear surface of the U-shaped frame 51, an output end of the second motor 55 is fixedly connected to a special gear 56, the outer side of the special gear 56 is engaged with a special gear ring 54, the special gear ring 56 rotates for one circle, the special gear ring 54 reciprocates once, two ejector rods 53 are fixedly connected to two ends of the special gear ring 54 respectively, one of the ejector rods 53 penetrates the U-shaped frame 51 and is fixedly connected to a second telescopic rod 57, a second pneumatic clamping jaw 58 is fixedly connected to a lower end of the second telescopic rod 57, a feedback control mechanism 52 is arranged at a connection position of the other ejector rod 53 and the U-shaped frame 51, and a matching mechanism is arranged inside the first pneumatic clamping jaw 88.
As shown in fig. 7, the matching mechanism comprises a storage cavity 810 arranged inside a first pneumatic clamping jaw 88, a third telescopic rod 89 is arranged on the inner wall of the storage cavity 810, one end of the third telescopic rod 89 is fixedly connected with an arc-shaped clamping plate 811, and balls 812 which are uniformly distributed are rotationally connected to the outer surface of the arc-shaped clamping plate 811.
After the gravity center deviation condition of the material is detected by utilizing the gravity center detection mechanism, the material is put down, then the clamping point is selected again for clamping, gravity center detection is carried out again, and the carrying efficiency is affected. Simultaneously, the gear tooth section of the special-shaped gear 56 rotates to the right; when the shaped gear 56 continues to rotate anticlockwise for half a turn under the drive of the second motor 55, the gear teeth of the shaped gear 56 mesh with the teeth on the upper portion of the shaped toothed ring 54, so as to drive the shaped toothed ring 54, the ejector rod 53 and the second pneumatic clamping jaw 58 to move leftwards once (according to the view of fig. 5), and further after the shaped gear 56 rotates once to return to the original position, the shaped toothed ring 54, the ejector rod 53 and the second pneumatic clamping jaw 58 are driven to reciprocate leftwards and rightwards once;
in the process that the second pneumatic clamping jaw 58 reciprocates once, the control system controls the working state of the second pneumatic clamping jaw 58 by utilizing the feedback control mechanism 52, when the second pneumatic clamping jaw 58 drives the material to move towards the first pneumatic clamping jaw 88, the second pneumatic clamping jaw 58 is in the working state, the material is clamped once to move towards the first pneumatic clamping jaw 88, when the ejector rod 53 drives the second pneumatic clamping jaw 58 to move away from the first pneumatic clamping jaw 88 in a return stroke manner, the second pneumatic clamping jaw 58 does not work, the material is loosened, the material is prevented from being brought back, in the process, if the second pneumatic clamping jaw 58 drives the material to move towards the first pneumatic clamping jaw 88, the matching mechanism works, the third telescopic rod 89 in the accommodating cavity 810 stretches, the arc clamping plate 811 clamps the material, the ball 812 can be used for limiting the material, the horizontal movement of the material is not influenced, the heavier end of the material can be normally fed towards the first pneumatic clamping jaw 88, and if the second pneumatic clamping jaw 58 is ready for next feeding, the third telescopic rod 89 in the matching mechanism shortens, the first telescopic rod 811 drives the clamping plate 88 to retract towards the first pneumatic clamping jaw 88, the first pneumatic clamping jaw 88 is retracted into the upper end, the material is repeatedly clamped, and the working position is adjusted to be horizontally, and the material is horizontally fed back to the upper end of the material is guaranteed;
according to the application, the gravity center adjusting mechanism 5 is arranged, so that firstly, compared with the prior art, the operation of clamping the material without putting down and then re-selecting the clamping point and then carrying out gravity center detection is realized, the operation is simple and convenient, the efficiency is higher, meanwhile, in the adjusting process, the gravity center detecting mechanism can be used for carrying out detection in real time, the accuracy of adjustment is ensured, and the carrying efficiency of the material is ensured.
As shown in fig. 8, the feedback control mechanism 52 includes a casing 524 fixedly connected to one side of the U-shaped frame 51, moving holes for the ejector pins 53 to move are provided at two ends of the casing 524, a second storage battery 522 and a single-chip microcomputer 523 are provided at an inner top of the casing 524, a first pressing switch 521 is provided on an inner wall of one side of the casing 524, a second pressing switch 525 is provided on an inner wall of the other side of the casing 524, and a pressing piece 526 is fixedly connected to an outer circular surface of the ejector pins 53 inside the casing 524.
As shown in fig. 8, the first push switch 521 and the second push switch 525 form a series circuit with the second battery 522 and the single-chip microcomputer 523, respectively.
When the feedback control mechanism 52 works, the ejector rod 53 reciprocates to control the working state of the second pneumatic clamping jaw 58, specifically, when the second pneumatic clamping jaw 58 moves towards or away from the first pneumatic clamping jaw 88, the ejector rod 53 moves to one side to drive the pressing piece 526 to press the first pressing switch 521 or the second pressing switch 525, and the first pressing switch 521 and the second pressing switch 525 respectively form a series circuit with the second storage battery 522 and the singlechip 523, namely, the ejector rod 53 is respectively communicated with the singlechip 523 once in the process of reciprocating one-time movement;
accordingly, the two singlechips 523 can be programmed according to the left and right positions of the first pneumatic clamping jaw 88 by the two feedback control mechanisms 52, so that the two singlechips 523 can meet the control requirement that the second pneumatic clamping jaw 58 is closed when the second pneumatic clamping jaw 58 drives the material to move towards the first pneumatic clamping jaw 88, and the gravity center adjusting mechanism 5 can work normally when the ejector rod 53 drives the second pneumatic clamping jaw 58 to move away from the first pneumatic clamping jaw 88 in a return stroke.
As shown in fig. 1, the second pneumatic clamping jaw 58 and the first pneumatic clamping jaw 88 on the two gravity center adjusting mechanisms 5 clamp the center position at the same level, so as to ensure the stability of the gravity center adjusting process.
The using method comprises the following steps: when the device is used, firstly, the main detection mechanism 8 is utilized to lift the columnar materials to be conveyed to a certain height so as to facilitate the detection and adjustment of the gravity center, after the lifting, the main detection mechanism 8 is matched with the pressure sensing mechanism 7 to finish the detection of the gravity center deviation condition of the clamping position of the materials, and then the crane control system controls the gravity center adjustment mechanism 5 to realize the on-line gravity center adjustment of the materials according to the detection result, so that the problem that the steel wire ropes 1 twist and wind due to the gravity center deviation cannot occur in the conveying process of the materials.
The above description is only of the preferred embodiments of the present application; the scope of the application is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present application, and the technical solution and the improvement thereof are all covered by the protection scope of the present application.
Claims (3)
1. The suspension device for the harbor crane comprises a steel wire rope (1), wherein the lower end of the steel wire rope (1) is wound with a pulley winding (2);
the method is characterized in that: also included is a method of manufacturing a semiconductor device,
the mounting substrate (3) is fixedly connected to the lower end of the pulley winding (2) through a rope;
the interference prevention mechanism (4) is fixedly connected to the rear surface of the mounting substrate (3);
the bottom plates (6) are provided with two bottom plates which are respectively fixedly connected with the interference prevention mechanisms (4);
the gravity center detection mechanism is arranged between the two bottom plates (6) and the mounting substrate (3) and is used for detecting whether the gravity center of the current holding position deviates; comprises a main detection mechanism (8) fixedly connected to the middle position of the lower surface of the mounting substrate (3), and two pressure sensing mechanisms (7) respectively fixedly connected to the inner bottom surfaces of the two bottom plates (6);
the gravity center adjusting mechanisms (5) are provided with two and are respectively fixedly connected to the side surfaces of the two bottom plates (6);
the main detection mechanism (8) comprises a connecting frame (81) fixedly connected to the middle position of the lower surface of the mounting substrate (3), a through groove (85) is formed in the middle position of the inner bottom surface of the connecting frame (81), four first telescopic rods (84) are arranged on the inner bottom surface of the connecting frame (81) close to the through groove (85) in a rectangular shape, top plates (82) are fixedly connected with the upper ends of the four first telescopic rods (84) together, clamping plates (83) are fixedly connected to the middle position of the lower surface of the top plates (82), and the clamping plates (83) are correspondingly arranged with the through groove (85);
two skirtboards are fixedly connected to the edges of two sides of the lower surface of the connecting frame (81), a rotary connecting piece (87) is connected through rotation of the two skirtboards, a first pneumatic clamping jaw (88) is arranged at the lower end of the rotary connecting piece (87), and clamping grooves (86) are formed in positions, corresponding to the clamping plates (83) and the through grooves (85), of the upper end of the rotary connecting piece (87);
the pressure sensing mechanism (7) comprises an outer sleeve (71) fixedly connected to the inner bottom surface of the bottom plate (6), a limiting frame (72) is fixedly connected to the lower end of the outer sleeve (71), an inner sliding rod (713) is connected inside the outer sleeve (71) in a sliding mode, the upper end of the inner sliding rod (713) penetrates through the outer sleeve (71) and is fixedly connected with a retaining rod (712), an arc-shaped supporting plate (711) is fixedly connected to the upper end of the retaining rod (712), and a detection part is arranged at one side of the lower surface of the retaining rod (712) corresponding to the position of the arc-shaped supporting plate (711);
the utility model discloses a battery pack, including outer sleeve (71), inner slide (713), pressure bar (73) and positive plate (74), limit frame (72) is linked firmly to outer sleeve (71) lower extreme, the lower extreme of inner slide (713) links firmly depression bar (73), and the opening that supplies depression bar (73) to stretch out is seted up to limit frame (72) bottom, depression bar (73) lower extreme runs through limit frame (72) and links firmly positive plate (74), limit frame (72), depression bar (73), positive plate (74) all set up in bottom plate (6) inside, and bottom plate (6) inside still is equipped with negative plate (75) that corresponds with positive plate (74), negative plate (75) one end is equipped with connecting wire (76) and connects communication module (77) through connecting wire (76), one end of communication module (77) is through connecting wire (76) electric connection first battery (78), first battery (78) are through connecting wire (76) and positive plate (74);
the detection part comprises a fixed plate (710) fixedly connected to the lower surface of the retaining rod (712) through a bolt, the lower surface of the fixed plate (710) is fixedly connected with a compression spring (79), and the lower end of the compression spring (79) is fixedly connected with the inner bottom surface of the bottom plate (6) through the fixedly connected fixed plate (710);
the anti-interference mechanism (4) comprises connecting seats (44) fixedly connected to two sides of the rear surface of the mounting substrate (3), wherein one side surface of the connecting seat (44) is fixedly connected with a first motor (41), the output end of the first motor (41) is fixedly connected with a rotating shaft (42), the rotating shaft (42) is rotationally connected with the two connecting seats (44), two ends of the outer circular surface of the rotating shaft (42) are fixedly connected with rotating sleeves (43), and the rotating sleeves (43) are correspondingly fixedly connected with the bottom plate (6);
the gravity center adjusting mechanism (5) comprises a U-shaped frame (51) fixedly connected to the side surface of the bottom plate (6), a second motor (55) is fixedly connected to the rear surface of the U-shaped frame (51), a special-shaped gear (56) is fixedly connected to the output end of the second motor (55), a special-shaped toothed ring (54) is connected to the outer side of the special-shaped gear (56) in a meshed mode, the special-shaped gear (56) rotates for one circle, the special-shaped toothed ring (54) moves in a reciprocating mode, two ejector rods (53) are fixedly connected to the two ends of the special-shaped toothed ring (54) respectively, one ejector rod (53) penetrates through the U-shaped frame (51) and is fixedly connected with a second telescopic rod (57), a second pneumatic clamping jaw (58) is fixedly connected to the lower end of the second telescopic rod (57), a feedback control mechanism (52) is arranged at the connecting position of the other ejector rod (53) and the U-shaped frame (51), and a matching mechanism is arranged inside the first pneumatic clamping jaw (88).
The matching mechanism comprises a containing cavity (810) which is formed in the first pneumatic clamping jaw (88), a third telescopic rod (89) is arranged on the inner wall of the containing cavity (810), one end of the third telescopic rod (89) is fixedly connected with an arc-shaped clamping plate (811), and balls (812) which are uniformly distributed are rotationally connected to the outer surface of the arc-shaped clamping plate (811);
the feedback control mechanism (52) comprises a shell (524) fixedly connected to one side of the U-shaped frame (51), moving holes for the ejector rods (53) to move are formed in two ends of the shell (524), a second storage battery (522) and a singlechip (523) are arranged at the inner top of the shell (524), a first pressing switch (521) is arranged on one side inner wall of the shell (524), a second pressing switch (525) is arranged on the other side inner wall of the shell (524), and a pressing piece (526) is fixedly connected to the outer circular surface of the inner part of the shell (524) for the ejector rods (53).
2. Suspension device for a port crane according to claim 1, characterized in that: the first pressing switch (521) and the second pressing switch (525) respectively form a series circuit with the second storage battery (522) and the singlechip (523).
3. Suspension device for a port crane according to any one of the claims 1, characterized in that: the center positions of the second pneumatic clamping jaw (58) and the first pneumatic clamping jaw (88) on the two gravity center adjusting mechanisms (5) are at the same horizontal height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310779300.3A CN116495625B (en) | 2023-06-29 | 2023-06-29 | Suspension device for port crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310779300.3A CN116495625B (en) | 2023-06-29 | 2023-06-29 | Suspension device for port crane |
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| CN116495625B true CN116495625B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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|---|---|
| CN116495625A (en) | 2023-07-28 |
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