CN112660975B - Self-adaptive stable permanent magnet crane - Google Patents

Self-adaptive stable permanent magnet crane Download PDF

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CN112660975B
CN112660975B CN202110278393.2A CN202110278393A CN112660975B CN 112660975 B CN112660975 B CN 112660975B CN 202110278393 A CN202110278393 A CN 202110278393A CN 112660975 B CN112660975 B CN 112660975B
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permanent magnet
arc
rod
plate
jack
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CN112660975A (en
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李勇峰
聂福全
杨辉
杨文强
逄明华
苏建修
李海波
徐君鹏
付成果
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Henan Institute of Science and Technology
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Henan Institute of Science and Technology
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Abstract

The invention relates to the technical field of permanent magnet cranes, and discloses a self-adaptive stable permanent magnet crane which comprises a crane body and a pull rope, wherein the pull rope is fixedly connected to the crane body, the lower end of the pull rope is provided with a stabilizing mechanism, the lower end of the stabilizing mechanism is provided with a permanent magnet adsorption mechanism, the lower end of the permanent magnet adsorption mechanism is provided with an auxiliary mechanism, the permanent magnet adsorption mechanism comprises a permanent magnet crane and a reset spring, the lower end of the permanent magnet crane is provided with a chute, the lower ends of the left side and the right side of the permanent magnet crane are respectively provided with a clamping groove, and the stabilizing mechanism comprises a fixed sleeve, an inclined plate, an inclined sleeve, a stretching rod, an. The iron plate lifting jack has the function of pushing and cleaning iron chips between the iron plate and the permanent magnet lifting jack, so that the clearance between the permanent magnet lifting jack and the iron plate is reduced, the possibility of falling off of an absorbed object due to interference of the iron chips is prevented, and in addition, the permanent magnet absorption mechanism is kept relatively balanced and stable through the stabilizing mechanism.

Description

Self-adaptive stable permanent magnet crane
Technical Field
The invention relates to the technical field of permanent magnet cranes, in particular to a self-adaptive stable permanent magnet crane.
Background
The permanent magnet jack is also called permanent magnet suction jack, magnetic force jack, magnetic jack, lifting magnet, lifting permanent magnet, etc. It has the features of small volume, strong holding power, no use of electricity, no residual magnetism to heavy matter, high safety factor, etc. Therefore, the method is widely applied to the installation and the transportation of steel materials, flat mechanical parts and various dies. When iron materials such as iron plates, section steels, workpieces and the like are machined, a certain amount of scrap iron is easily left on the surfaces of the iron materials. When utilizing the permanent magnetism jack on current permanent magnetism hoist to adsorb iron plate, at first can adsorb iron plate on the permanent magnetism jack, adsorb iron plate again on the permanent magnetism jack, this just makes to be mingled with iron plate and permanent magnetism jack between be had iron plate and iron plate iron fillings, and clearance between increase permanent magnetism jack and the iron plate reduces and attracts magnetic force. When the iron plate quality of transport is great, because the existence of iron fillings can lead to adsorbing between iron plate and the permanent magnetism jack more unstably, iron plate drops when the in-process that lifts by crane very probably, consequently needs a stable permanent magnetism hoist of self-adaptation.
Disclosure of Invention
The invention aims to provide a self-adaptive stable permanent magnet crane structure to solve the problem of poor suction force in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the self-adaptive stable permanent magnet crane comprises a crane body and a pull rope, wherein the pull rope is fixedly connected to the crane body, a stabilizing mechanism is arranged at the lower end of the pull rope, a permanent magnet adsorption mechanism is arranged at the lower end of the stabilizing mechanism, and an auxiliary mechanism is arranged at the lower end of the permanent magnet adsorption mechanism.
Preferably, permanent magnetism adsorption apparatus constructs including permanent magnetism ground jack and reset spring, the chute has been seted up to permanent magnetism ground jack lower extreme, the draw-in groove has all been seted up to the left and right sides lower extreme of permanent magnetism ground jack.
Preferably, stabilizing mean is including fixed cover, swash plate, oblique cover, tensile pole, extrusion spring, telescopic link, slide and pothook, fixed cover cup joints on the stay cord, the swash plate is equipped with two, two swash plate one end and fixed cover fixed connection, two the swash plate other end respectively with two oblique cover fixed connection, tensile pole lower extreme card is established in the permanent magnetism ground jack, extrusion spring both ends respectively with tensile pole and permanent magnetism ground jack inner wall fixed connection, oblique cover cup joints on tensile pole, tensile pole upper end fixed mounting has the pull ring, pothook fixed connection is at the lower extreme of stay cord, pothook and pull ring lock joint, the spout has been seted up to permanent magnetism ground jack upper end, slide slidable mounting is in the spout, telescopic link fixed connection is at the lower extreme of oblique cover.
Preferably, the telescopic link has a telescopic effect, the telescopic link is vertically arranged, and the lower end of the telescopic link is fixedly connected with the sliding plate.
Preferably, complementary unit includes auxiliary rod, spin, first push pedal, second push pedal, arc scraper blade, deformation pole, squeeze ball, memory metal sheet, push rod and arc driving lever, auxiliary rod slidable mounting is in the chute, the ring channel has been seted up to the auxiliary rod upper end, the spin rotates and installs in the ring channel, spin and chute inner wall contact, second push pedal fixed mounting is at the lower extreme of auxiliary rod, first push pedal cup joints on the auxiliary rod.
Preferably, the up end of first push pedal and the lower terminal surface of second push pedal have all been seted up and have been rocked the groove, arc scraper blade slidable mounting is rocking the inslot, arc scraper blade and rock between the groove fixed mounting have a spring, the part that the arc scraper blade is located and rocks the inslot is the metal setting, the part that the arc scraper blade is located and rocks the inslot is the rubber setting.
Preferably, a matching groove is formed in the lower end face of the arc-shaped scraper, the arc-shaped deflector rod is rotatably installed in the matching groove, the arc-shaped deflector rod is arranged in an inclined mode, and a toggle spring is fixedly connected between the arc-shaped deflector rod and the inner wall of the matching groove.
Preferably, the deformation pole is equipped with four, four the mutual articulated setting of connecting of deformation pole head tail, four the deformation pole is the rhombus setting, four both ends are articulated with first push pedal and second push pedal respectively about the deformation pole, squeeze ball fixed mounting is inside the deformation pole that the rhombus set up, the equal fixed connection of memory metal sheet and push rod is on the deformation pole lateral wall, the one end and the memory metal sheet in close contact with of deformation pole are kept away from to the push rod, the memory metal sheet is the circular arc setting, the trapezoidal push pedal of one end fixedly connected with of deformation pole is kept away from to the memory metal sheet.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the auxiliary mechanism, the auxiliary rod is extruded in the process that the iron plate is in contact with the permanent magnet jack through the auxiliary mechanism, so that the roller at the top end of the auxiliary rod moves along the inclined grooves, the two auxiliary mechanisms are forced to move towards the left and the right respectively, and the arc-shaped scrapers on the first push plate and the second push plate on the auxiliary rod scrape between the iron plate and the permanent magnet jack respectively, so that scrap iron between the iron plate and the permanent magnet jack is pushed and cleaned, the gap between the permanent magnet jack and the iron plate is reduced, and the possibility of falling of the iron plate is reduced.
(2) The lower end of the arc-shaped scraper is made of rubber, so that the spring in the shaking groove can be stretched in the scraping process, the spring in the shaking groove is pulled by the arc-shaped scraper, the speed of the arc-shaped scraper is reduced in the scraping process, the spring is stretched, and then the spring is restored by pause generated in the scraping process when the elastic force of the spring is greater than the friction force, so that the scraping speed is accelerated, the arc-shaped scraper moves at intervals, and scrap iron is easier to scrape in frequency change.
(3) According to the invention, the arc-shaped shifting rod can extrude the shifting spring in the moving process of the arc-shaped scraper, so that the shifting spring is extruded, the elastic potential energy is increased, then the arc-shaped scraper continues to move, so that the shifting spring is restored, the arc-shaped shifting rod is reset, the actions are continuously repeated, and the effect of the arc-shaped scraper in clearing scrap iron is better.
(4) The rolling ball at the upper end of the auxiliary rod rolls with the inner wall of the chute, so that the auxiliary rod moves more smoothly; the return spring can retract the auxiliary mechanism to the initial position when the heavy object is not hung.
(5) According to the invention, the auxiliary rod can move upwards along with the increase of the depth of the chute in the moving process, the first push plate and the second push plate can be extruded mutually, and when the first push plate and the second push plate are extruded mutually, the deformation rod arranged in a diamond shape can be deformed and flattened, so that the trapezoidal push plates on the memory metal plates on the upper side and the lower side are in contact with the lower surface of the permanent magnet jack and the upper surface of the iron plate, the iron chips on the lower surface of the permanent magnet jack and the upper surface of the iron plate are cleaned again, the distance between the permanent magnet jack and the iron plate can be reduced, the magnet adsorption effect is better, and the binding force is more stable.
(6) According to the invention, the distance between the first push plate and the second push plate is continuously reduced along with the increase of the depth of the chute, so that the trapezoidal push plates on the memory metal plates at the upper side and the lower side are better in contact effect with the lower surface of the permanent magnet jack and the upper surface of the iron plate, and the effect of cleaning scrap iron is continuously enhanced.
(7) The lower surface of the permanent magnet jack and the upper surface of the iron plate are cleaned by the trapezoidal push plates on the upper and lower sides of the memory metal plate, and meanwhile, the push rod pushes the arc part of the memory metal plate, so that the contact effect of the trapezoidal push plates with the lower surface of the permanent magnet jack and the upper surface of the iron plate is better.
(8) When the permanent magnet adsorption mechanism lifts a heavy object through the pull rope, the lifting position is inclined eccentrically, especially when the weight of the iron plate is large, the inclination angle of the iron plate is increased, and the position of the reset spring at the bottom of the stretching rod is changed to compensate the inclination caused by the eccentricity of the heavy object; fixed cover is followed the slope when inclination grow simultaneously, and stay cord in the fixed cover is receiving the decurrent pulling force of iron plate, makes the stay cord keep vertical as far as possible, can be relative with the power of fixed cover slope simultaneously, and the hoist and mount is more stable, avoids permanent magnet to produce the angle slope, makes this stabilizing mean and permanent magnetism adsorption apparatus construct remain stable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a permanent magnetic adsorption mechanism and a stabilization mechanism according to the present invention;
FIG. 3 is a front view of the permanent magnet jack of the present invention;
FIG. 4 is a schematic view of the auxiliary mechanism of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a side view of the permanent magnet jack of the present invention;
FIG. 7 is a schematic diagram of the structure of the deformation rod and the memory metal plate according to the present invention;
FIG. 8 is a bottom view of the arc-shaped scraper of the present invention
In the figure: 1. a crane body; 2. pulling a rope; 3. a permanent magnetic adsorption mechanism; 31. a permanent magnet jack; 32. a chute; 33. a card slot; 34. a return spring; 4. a stabilizing mechanism; 42. fixing a sleeve; 43. a sloping plate; 44. an inclined sleeve; 45. a stretch rod; 46. a compression spring; 47. a telescopic rod; 48. a chute; 49. a slide plate; 401. a hook; 5. an auxiliary mechanism; 51. an auxiliary lever; 52. an annular groove; 53. rolling a ball; 54. a first push plate; 55. a second push plate; 56. shaking the groove; 57. an arc-shaped scraper plate; 58. a deformation rod; 59. extruding the ball; 501. a memory metal plate; 502. a push rod; 503. a mating groove; 504. an arc-shaped deflector rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a self-adaptive stable permanent magnet crane comprises a crane body 1 and a pull rope 2, wherein the pull rope 2 is fixedly connected to the crane body 1, a stabilizing mechanism 4 is arranged at the lower end of the pull rope 2, a permanent magnet adsorption mechanism 3 is arranged at the lower end of the stabilizing mechanism 4, and an auxiliary mechanism 5 is arranged at the lower end of the permanent magnet adsorption mechanism 3;
the permanent magnetic adsorption mechanism 3 comprises a permanent magnetic jack 31 and a return spring 34, the lower end of the permanent magnetic jack 31 is provided with a chute 32, and the lower ends of the left side and the right side of the permanent magnetic jack 31 are provided with clamping grooves 33;
the stabilizing mechanism 4 comprises a fixed sleeve 42, an inclined plate 43, inclined sleeves 44, a stretching rod 45, an extrusion spring 46, a telescopic rod 47, a sliding plate 49 and a clamping hook 401, the fixed sleeve 42 is sleeved on the pull rope 2, the inclined plate 43 is provided with two pieces, one end of each of the two inclined plates 43 is fixedly connected with the fixed sleeve 42, the other end of each of the two inclined plates 43 is fixedly connected with the two inclined sleeves 44, the lower end of the stretching rod 45 is clamped in the permanent magnet jack 31, the two ends of the extrusion spring 46 are fixedly connected with the inner walls of the stretching rod 45 and the permanent magnet jack 31, the inclined sleeves 44 are sleeved on the stretching rod 45, the upper end of the stretching rod 45 is fixedly provided with a pull ring, the clamping hook 401 is fixedly connected to the lower end of the pull rope 2, the clamping hook 401 is buckled with the pull ring, the upper;
the telescopic rod 47 has a telescopic function, the telescopic rod 47 is vertically arranged, and the lower end of the telescopic rod 47 is fixedly connected with the sliding plate 49;
the auxiliary mechanism 5 comprises an auxiliary rod 51, a rolling ball 53, a first push plate 54, a second push plate 55, an arc-shaped scraper 57, a deformation rod 58, an extrusion ball 59, a memory metal plate 501, a push rod 502 and an arc-shaped deflector rod 504, wherein the auxiliary rod 51 is slidably arranged in the chute 32, the upper end of the auxiliary rod 51 is provided with an annular groove 52, the rolling ball 53 is rotatably arranged in the annular groove 52, the rolling ball 53 is in contact with the inner wall of the chute 32, the second push plate 55 is fixedly arranged at the lower end of the auxiliary rod 51, and the first push plate 54 is sleeved on the auxiliary rod 51;
the upper end surface of the first push plate 54 and the lower end surface of the second push plate 55 are both provided with shaking grooves 56, the arc-shaped scraper 57 is slidably mounted in the shaking grooves 56, a spring is fixedly mounted between the arc-shaped scraper 57 and the shaking grooves 56, the part of the arc-shaped scraper 57 located in the shaking grooves 56 is arranged in a metal manner, and the part of the arc-shaped scraper 57 located outside the shaking grooves 56 is arranged in a rubber manner;
a matching groove 503 is formed in the lower end face of the arc-shaped scraper 57, the arc-shaped deflector rod 504 is rotatably installed in the matching groove 503, the arc-shaped deflector rod 504 is obliquely arranged, and a deflector spring is fixedly connected between the arc-shaped deflector rod 504 and the inner wall of the matching groove 503;
four deformation rods 58 are arranged, the four deformation rods 58 are hinged with each other end to end, the four deformation rods 58 are arranged in a rhombus shape, the upper and lower ends of the four deformation rods 58 are respectively hinged with a first push plate 54 and a second push plate 55, an extrusion ball 59 is fixedly arranged inside the deformation rods 58 arranged in the rhombus shape, a memory metal plate 501 and a push rod 502 are fixedly connected on the side wall of the deformation rods 58, one end of the push rod 502 far away from the deformation rods 58 is tightly contacted with the memory metal plate 501, the memory metal plate 501 is arranged in a circular arc shape, one end of the memory metal plate 501 far away from the deformation rods 58 is fixedly connected with a trapezoidal push plate, the iron plate coated with paint and placed on the ground is adsorbed by a permanent magnet jack 31 in a permanent magnet adsorption mechanism 3, and in the adsorption process, an auxiliary mechanism 5 can clean the upper surface of the iron plate and the lower surface of the permanent magnet jack 31, so that scrap iron on the, prevent that iron plate from having iron fillings between absorption back iron plate and permanent magnetism jack 31, can lead to producing the clearance between permanent magnetism jack 31 and the iron plate to lead to magnetic attraction to reduce, the in-process that can result in iron plate to drop at the hoist very probably.
When the iron plate adsorption device is used, firstly, the iron plate coated with paint and placed on the ground is adsorbed by the permanent magnet jack 31 in the permanent magnet adsorption mechanism 3, and the auxiliary mechanism 5 can clean the upper surface of the iron plate and the lower surface of the permanent magnet jack 31 in the adsorption process to scrape iron filings on the upper surface of the iron plate and the lower surface of the permanent magnet jack 31, so that the iron plate is prevented from being adsorbed by iron filings between the iron plate and the permanent magnet jack 31, a gap can be generated between the permanent magnet jack 31 and the iron plate, the magnetic attraction force is reduced, and the iron plate can be dropped in the hoisting process of the crane;
the auxiliary mechanism 5 is operated in such a way that the auxiliary rod 51 is extruded in the process that the iron plate is in contact with the permanent magnet jack 31, the auxiliary rod 51 slides with the chute 32, and then the two auxiliary mechanisms 5 move towards the left side and the right side respectively, so that the arc-shaped scrapers 57 on the first push plate 54 and the second push plate 55 scrape between the iron plate and the permanent magnet jack 31 respectively, and scrap iron between the iron plate and the permanent magnet jack 31 is pushed and cleaned;
secondly, because the lower end of the arc-shaped scraper 57 is provided with rubber, the spring in the shaking groove 56 can be stretched in the scraping process, the spring in the shaking groove 56 is pulled by the arc-shaped scraper 57, so that the speed of the arc-shaped scraper 57 is reduced in the scraping process, the spring is stretched, and the spring can be restored after the scraping process, so that the scraping speed is accelerated, the arc-shaped scraper 57 moves at intervals, and the iron chips can be more easily scraped by the arc-shaped scraper 57 in the scraping process;
the arc-shaped scraper 57 can enable the arc-shaped poking rod 504 to extrude the poking spring in the moving process, the poking spring is extruded, the elastic potential energy is increased, then the arc-shaped scraper 57 continues to move, the poking spring can be restored, the arc-shaped poking rod 504 can reset, and the actions are continuously repeated, so that the effect of the arc-shaped scraper 57 in clearing scrap iron is better;
the rolling ball 53 at the upper end of the auxiliary rod 51 rolls with the inner wall of the chute 32, so that the auxiliary rod 51 moves more smoothly;
the auxiliary rod 51 can move upwards along with the increase of the depth of the chute 32 in the moving process, the first push plate 54 and the second push plate 55 are extruded mutually, and when the first push plate 54 and the second push plate 55 are extruded mutually, the deformation rod 58 arranged in a diamond shape can be deformed and flattened, so that the trapezoidal push plates on the memory metal plates 501 on the upper side and the lower side are in contact with the lower surface of the permanent magnet jack 31 and the upper surface of the iron plate, scrap iron on the lower surface of the permanent magnet jack 31 and the upper surface of the iron plate is further cleaned, the distance between the permanent magnet jack 31 and the iron plate can be reduced, the adsorption effect is better, and the stability is better;
meanwhile, as the depth of the chute 32 is increased, the distance between the first push plate 54 and the second push plate 55 is continuously reduced, so that the trapezoidal push plates on the upper and lower sides of the memory metal plate 501 are better in contact with the lower surface of the permanent magnet jack 31 and the upper surface of the iron plate, and the effect of cleaning scrap iron is continuously enhanced;
the contact effect of the trapezoidal push plates on the upper and lower sides of the memory metal plate 501 with the lower surface of the permanent magnet jack 31 and the upper surface of the iron plate is better, and meanwhile, the push rod 502 can push the arc part of the memory metal plate 501, so that the contact effect of the trapezoidal push plates with the lower surface of the permanent magnet jack 31 and the upper surface of the iron plate is better;
when the permanent magnetic adsorption mechanism 3 is lifted, the iron plate is likely to incline, the iron plate has larger mass, so that when the iron plate inclines, the fixing sleeve 42 is driven to incline, the pull rope 2 is arranged in the fixing sleeve 42, the weight of the permanent magnetic adsorption mechanism 3 and the iron plate pulled by the pull rope 2 and the inclination can be partially offset, and the stabilizing mechanism 4 and the permanent magnetic adsorption mechanism 3 are kept stable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The utility model provides a permanent magnetism hoist is stabilized to self-adaptation, includes hoist body (1) and stay cord (2), its characterized in that: the crane is characterized in that the pull rope (2) is fixedly connected to the crane body (1), the lower end of the pull rope (2) is provided with a stabilizing mechanism (4), the lower end of the stabilizing mechanism (4) is provided with a permanent magnetic adsorption mechanism (3), the lower end of the permanent magnetic adsorption mechanism (3) is provided with an auxiliary mechanism (5), the permanent magnetic adsorption mechanism (3) comprises a permanent magnetic jack (31) and a reset spring (34), the lower end of the permanent magnetic jack (31) is provided with a chute (32), the lower ends of the left side and the right side of the permanent magnetic jack (31) are provided with clamping grooves (33), the stabilizing mechanism (4) comprises a fixed sleeve (42), an inclined plate (43), an inclined sleeve (44), a stretching rod (45), an extrusion spring (46), a telescopic rod (47), a sliding plate (49) and a clamping hook (401), the fixed sleeve (42) is sleeved on the pull, two swash plate (43) one end and fixed cover (42) fixed connection, two swash plate (43) other end respectively with two inclined sleeve (44) fixed connection, tensile pole (45) lower extreme card is established in permanent magnet jack (31), extrusion spring (46) both ends respectively with tensile pole (45) and permanent magnet jack (31) inner wall fixed connection, inclined sleeve (44) cup joint on tensile pole (45), tensile pole (45) upper end fixed mounting has the pull ring, pothook (401) fixed connection is at the lower extreme of stay cord (2), pothook (401) and pull ring lock joint, spout (48) have been seted up to permanent magnet jack (31) upper end, slide (49) slidable mounting is in spout (48), telescopic link (47) fixed connection is at the lower extreme of inclined sleeve (44), telescopic link (47) have the concertina movement, telescopic link (47) vertical setting, the lower end of the telescopic rod (47) is fixedly connected with the sliding plate (49), the auxiliary mechanism (5) comprises an auxiliary rod (51), a rolling ball (53), a first push plate (54), a second push plate (55), an arc-shaped scraper (57), a deformation rod (58), an extrusion ball (59), a memory metal plate (501), a push rod (502) and an arc-shaped deflector rod (504), the auxiliary rod (51) is slidably mounted in the chute (32), an annular groove (52) is formed in the upper end of the auxiliary rod (51), the rolling ball (53) is rotatably mounted in the annular groove (52), the rolling ball (53) is in contact with the inner wall of the chute (32), the second push plate (55) is fixedly mounted at the lower end of the auxiliary rod (51), the first push plate (54) is sleeved on the auxiliary rod (51), the upper end face of the first push plate (54) and the lower end face of the second push plate (55) are both provided with shaking grooves (56), the arc-shaped scraper blade (57) is slidably mounted in the shaking groove (56), a spring is fixedly mounted between the arc-shaped scraper blade (57) and the shaking groove (56), the part of the arc-shaped scraper blade (57) located in the shaking groove (56) is set by metal, the part of the arc-shaped scraper blade (57) located outside the shaking groove (56) is set by rubber, a matching groove (503) is formed in the lower end face of the arc-shaped scraper blade (57), the arc-shaped deflector rod (504) is rotatably mounted in the matching groove (503), the arc-shaped deflector rod (504) is obliquely arranged, a toggle spring is fixedly connected between the arc-shaped deflector rod (504) and the inner wall of the matching groove (503), four deformation rods (58) are arranged, the head and the tail of the four deformation rods (58) are hinged and connected, the four deformation rods (58) are arranged in a rhombic shape, and the upper end and the lower end of the four deformation rods (58) are hinged and connected with the first push plate (, squeeze ball (59) fixed mounting is inside deformation pole (58) that the rhombus set up, the equal fixed connection of memory metal sheet (501) and push rod (502) is on deformation pole (58) lateral wall, the one end and the memory metal sheet (501) in close contact with of deformation pole (58) are kept away from in push rod (502), memory metal sheet (501) are the circular arc setting, the trapezoidal push pedal of one end fixedly connected with of deformation pole (58) is kept away from in memory metal sheet (501).
CN202110278393.2A 2021-03-16 2021-03-16 Self-adaptive stable permanent magnet crane Active CN112660975B (en)

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Publication number Priority date Publication date Assignee Title
CN114590694B (en) * 2022-05-10 2022-07-12 山东力山特智能科技股份有限公司钢城分公司 Mechanical device for hoisting and transferring steel plate
CN117985572A (en) * 2024-03-29 2024-05-07 河南科技学院 Permanent magnet adsorption device for crane

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CN110525577A (en) * 2019-09-03 2019-12-03 中船黄埔文冲船舶有限公司 A kind of mounting tool and installation method of marine shafting case butt coupling
CN111017720A (en) * 2020-01-07 2020-04-17 东阳格盘机械科技有限公司 Electromagnetic bridge crane with track cleaning function

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