CN113562582B

CN113562582B - Hoisting device with self-adaptive supplementary structure for metal heat treatment

Info

Publication number: CN113562582B
Application number: CN202111139344.7A
Authority: CN
Inventors: 庄清建
Original assignee: Nantong Jiangqinmei Metal Product Co ltd
Current assignee: Nantong Jiangqinmei Metal Product Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2021-11-26
Anticipated expiration: 2041-09-28
Also published as: CN113562582A

Abstract

The invention discloses a hoisting device with a self-adaptive supplement structure for metal heat treatment, belonging to the field of metal heat treatment, wherein a clamping piece is arranged on the inner wall of an annular frame to clamp the outer wall of a cylindrical iron ingot, so that the covered area when the iron ingot is fixed is effectively reduced, the iron block is hoisted by adopting the device to replace the direct stacking of the iron blocks for heat treatment, the bottom of the iron ingot is effectively prevented from being covered by a contact surface when the iron ingot is placed, the heating uniformity of the iron ingot during heat treatment is further ensured, a balancing weight and a sliding rod are fixedly connected, power is provided for the movement of the sliding rod by virtue of the gravity of the balancing weight, a first clamping arm and a second clamping arm can be self-adaptively deformed to keep the iron ingot firmly clamped, and the hoisting clamping looseness of the iron ingot caused by the expansion and shrinkage of the iron ingot is avoided, the use stability and the safety of the device are effectively guaranteed.

Description

Hoisting device with self-adaptive supplementary structure for metal heat treatment

Technical Field

The invention relates to the field of metal heat treatment, in particular to a hoisting device with a self-adaptive supplement structure for metal heat treatment.

Background

The metal heat treatment is a metal treatment process for heating metal to a proper temperature and then performing operations such as heat preservation, cooling and the like, and the heat treatment operation on the metal can effectively change the microstructure characteristics of the surface or the interior of the metal, so that the metal is more suitable for the use environment of the metal, wherein an iron material is one of the most widely used metal materials in the production life nowadays, and the heat treatment process is relatively mature.

In the prior art, when the iron material is subjected to heat treatment, usually, the whole iron material is directly stacked inside the heating furnace, and in the actual treatment process, because the iron ingot smelted by the iron material is directly stacked on the ground, the bottom of the iron ingot is covered by the ground, the heating efficiency of the bottom of the iron ingot is affected, so that the bottom of the iron ingot is heated unevenly, and the heat treatment efficiency of the iron ingot is reduced.

Therefore, we propose a hoisting device with adaptive complementary structure for metal heat treatment to solve some of the problems in the prior art.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a hoisting device with a self-adaptive supplement structure for metal heat treatment, which can realize hoisting heat treatment on an iron ingot, and control a clamping piece through a counterweight of a counterweight block, so that the clamping piece can be clamped on the outer side of the iron ingot in a self-adaptive manner, the influence of the clamping stability of the iron ingot when the iron ingot is heated to expand and cooled to contract is avoided, the clamping stability is kept, the heating uniformity of the iron ingot during heat treatment can be effectively improved, and the efficiency of the heat treatment of the iron ingot is favorably improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a hoisting device for metallothermic processes with self-adaptation supplements structure, including annular frame, annular frame's top intermediate position is connected with the couple, install a plurality of holders on annular frame's the inner wall, and the holder includes the vertical guide rail of installing on the annular frame inner wall, install the axle bed of fixing on the annular frame inner wall under the guide rail, the inside slip of guide rail is inserted and is equipped with the slide bar, and it has centre gripping arm one to articulate on one side outer wall of annular frame intermediate position to stick in the slide bar, it has centre gripping arm two to articulate on the guide rail, it is connected to articulate between the other end of centre gripping arm one and the other end of centre gripping arm two, set up the logical groove corresponding with the guide rail on the annular frame outer wall, and the inside sliding connection who leads to the groove has the connecting block of fixed mounting on the guide rail, the outside fixedly connected with balancing weight of connecting block.

Further, the bottom fixedly connected with of couple is a plurality of one section cables, and the bottom fixedly connected with link of a plurality of one section cables, even fixedly connected with a plurality of two-stage section cables between link and the ring frame.

Furthermore, six clamping pieces are arranged, and the six clamping pieces are uniformly distributed on the inner wall of the annular frame in a surrounding mode.

Further, the hinged part of the first clamping arm and the second clamping arm is rotatably connected with a contact plate, the contact plate is close to one side of the middle position of the annular frame, a groove of an arc-shaped structure is vertically formed in the side, and a plurality of horizontally arranged anti-skidding convex strips are evenly arranged inside the groove.

Furthermore, one side of the contact plate close to the inner end wall of the annular frame is symmetrically fixed with two first springs up and down, the other ends of the two first springs are fixedly installed on the corresponding first clamping arm and the corresponding second clamping arm respectively, and the lengths of the first clamping arm and the second clamping arm are the same.

Furthermore, the shape of the balancing weight is of a circular ring structure, the balancing weight is slidably sleeved outside the annular frame, and the inner end wall of the balancing weight is fixedly connected with the plurality of connecting blocks.

Further, the length of two-section cable is greater than the length of slide bar, and the equal vertical round bar that is fixed with in top intermediate position of every slide bar, and the top fixed mounting of round bar is for the stopper of round platform structure, evenly encircles on the outer end wall of link and is provided with a plurality of clamping jaw assemblies, and a plurality of clamping jaw assemblies correspond the setting respectively directly over a plurality of round bars, and the top diameter of stopper is less than the outside diameter of round bar.

Further, the clamping jaw assembly is including the mount pad of fixed mounting on the link outer end wall, and the inside one side of being close to the round bar of mount pad articulates there are two clamping jaw main parts that correspond the setting, and equal fixed mounting has spring two on every clamping jaw main part's the outer end wall, fixed connection between spring two's the other end and the mount pad.

Further, the centre of a circle position department of link is provided with interior anchor bracket, evenly encircle between link and the interior anchor bracket and be fixed with a plurality of connecting cylinders corresponding with clamping jaw assembly, and the inside of a plurality of connecting cylinders all link up the inside of link and interior anchor bracket, the inside of a plurality of connecting cylinders all alternates there is the steel cable, and every steel cable is close to in the equal fixedly connected with spring three of one side of clamping jaw assembly, the other end of spring three pass through the steel cable respectively with corresponding two clamping jaw main parts between fixed connection, the other end fixedly connected with heat-insulating box of steel cable, and heat-insulating box's internally mounted has the electro-magnet.

Furthermore, a roller wheel which is horizontally arranged is rotatably connected at the communication position of the connecting cylinder and the inner ring frame, and a steel cable is lapped above the roller wheel.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through installing the holder on ring frame's inner wall, the outer wall to cylindric iron ingot carries out the centre gripping, the effectual area that is covered when having reduced the iron ingot fixed, replace directly stacking the iron ingot to carry out thermal treatment through adopting the device hoist and mount iron ingot, the bottom is sheltered from the contact surface when effectually avoiding the iron ingot to place, further ensure the homogeneity of being heated of iron ingot when carrying out thermal treatment, through with fixed connection between balancing weight and the slide bar, gravity with the help of the balancing weight provides power to the removal of slide bar, make centre gripping arm one and centre gripping arm two can the firm centre gripping of self-adaptation deformation holding to the iron ingot, avoid because the inflation of iron ingot leads to the hoist and mount centre gripping of iron ingot not hard up with the shrink, the effectual safety is stabilized in use that has ensured the device.

(2) Through with link fixed connection between one section cable and two-stage segment cable, can outwards prop up one section cable and two-stage segment cable that are used for being connected between couple and the ring frame, avoid the device when carrying out hoist and mount use, one section cable and two-stage segment cable link into the straight line to avoid treating frequent contact production wearing and tearing between hoist and mount iron ingot and one section cable and the two-stage segment cable, be favorable to prolonging the life of one section cable and two-stage segment cable.

(3) Through evenly surrounding six holders and distributing on ring frame's inner wall, can be so that a plurality of holders are more even when the application of force is being held to the iron ingot, and be favorable to ensuring that the iron ingot is fixed by the centre gripping in the device intermediate position, the effectual balanced stability who promotes the device when hoist and mount iron ingot.

(4) Through rotating the contact plate and connecting the articulated department between centre gripping arm one and centre gripping arm two, increase holder centre gripping ingot that can be relative and the area of contact between the ingot, and simultaneously, through the recess of the vertical arc structure of seting up in one side of ingot with the contact plate, make the contact inseparabler between contact plate and the ingot, and, through the anti-skidding sand grip fixed mounting who sets up the level inside the recess, be favorable to further increasing the frictional resistance when the pressurized between contact plate and the ingot, very big promotion the device carry out the centre gripping stability when thermal treatment hoists the ingot.

(5) Through with two spring one upper and lower symmetry fixed mounting between contact plate and centre gripping arm one, centre gripping arm two, the position of can effectual balanced contact plate for the contact plate still keeps vertical state when centre gripping arm one and centre gripping arm two are rotatory, has ensured its when carrying out the centre gripping operation to the iron ingot and the laminating stability between the iron ingot outer wall, avoids leading to the device centre gripping to stably receive the influence because the contact plate slope.

(6) Through establishing the balancing weight cover in the outside of annular frame, stability when can guaranteeing the balancing weight and slide from top to bottom, incline when avoiding the balancing weight to slide downwards, simultaneously, with the inner endwall of balancing weight respectively with the slide bar fixed connection that corresponds through a plurality of connecting blocks for can drive a plurality of holders synchronous deformation when the balancing weight reciprocates and carry out the centre gripping operation, the stability of effectual guarantee holder centre gripping operation.

(7) Through installing clamping jaw assembly directly over the round bar, can be so that mutually support between clamping jaw assembly and the round bar, the expansion through clamping jaw assembly carries out nimble control to the start-up of holder, the effectual use convenience that has promoted the device, through setting up the stopper into the round platform structure, make clamping jaw assembly when moving downwards, can ensure that two clamping jaw main parts that correspond are strutted gradually, and cross the outside of closed centre gripping at the round bar again behind the stopper at clamping jaw assembly, the reciprocal recycling of the device of being convenient for, need not to carry out too much adjustment, the effectual use convenience that has promoted the device.

(8) Through connecting the steel cable between clamping jaw subassembly and hot box, can stimulate the steel cable downstream with the help of the magnetism that the electro-magnet circular telegram produced attracts, thereby to corresponding clamping jaw body be close to the one side of link and stimulate, make clamping jaw body outwards expand, be convenient for promote the device's control flexibility, through connecting spring three between clamping jaw body and steel cable, can outwards open for clamping jaw body provides the buffering clearance, clamping jaw body can stably pass the stopper through the extrusion deflection when making clamping jaw subassembly move down, the effectual job stabilization who ensures the device, through connecting the intercommunication department at connecting cylinder and inner ring frame with the gyro wheel rotation, can guide for the steel cable of changing the direction, the probability of wearing and tearing when having reduced the steel cable and removing, the service life of the device is prolonged.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a front cross-sectional view of the present invention;

FIG. 5 is a schematic view of the structure at A in FIG. 4;

FIG. 6 is a schematic view of the structure at B in FIG. 4;

FIG. 7 is a perspective view of the clamp of the present invention;

FIG. 8 is a perspective view of the jaw assembly of the present invention;

FIG. 9 is a top view of the jaw body of the present invention;

FIG. 10 is a schematic structural view of the present invention in an operating state;

fig. 11 is a front sectional view of fig. 10.

The reference numbers in the figures illustrate:

1. an annular frame; 101. hooking; 102. a section of guy cable; 103. a connecting frame; 104. a second section of stay cable; 2. a clamping member; 201. a guide rail; 202. a shaft seat; 203. a slide bar; 204. a first clamping arm; 205. a second clamping arm; 206. a contact plate; 207. a first spring; 208. a through groove; 209. connecting blocks; 3. a balancing weight; 4. a round bar; 401. a limiting block; 5. a jaw assembly; 501. a mounting seat; 502. a jaw body; 503. a second spring; 6. an inner ring frame; 601. a connecting cylinder; 602. a wire rope; 603. a third spring; 604. a roller; 7. a heat insulation box; 701. an electromagnet.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a hoisting device with a self-adaptive complementary structure for metal heat treatment comprises an annular frame 1, a hook 101 is connected to the middle position of the top of the annular frame 1, a plurality of first-stage cables 102 are fixedly connected to the bottom of the hook 101, a connecting frame 103 is fixedly connected to the bottom of the first-stage cables 102, a plurality of second-stage cables 104 are uniformly and fixedly connected between the connecting frame 103 and the annular frame 1, when the device works, under the connecting support of the connecting frame 103, the connecting and pulling of the first-stage cables 102 and the second-stage cables 104 can be guided outwards, by fixedly connecting the connecting frame 103 between the first-stage cables 102 and the second-stage cables 104, the first-stage cables 102 and the second-stage cables 104 for connecting between the hook 101 and the annular frame 1 can be kept and supported outwards, and the device is prevented from being influenced by a pull force generated by gravity when being hoisted and used, the first section of stay cable 102 and the second section of stay cable 104 are connected into a straight line, so that abrasion caused by frequent contact between an iron ingot to be hoisted and the first section of stay cable 102 and the second section of stay cable 104 when the device is hoisted for use is effectively avoided, the service life of the first section of stay cable 102 and the service life of the second section of stay cable 104 are prolonged, and the use safety of the device is improved conveniently.

Install a plurality of holders 2 on ring frame 1's the inner wall, holder 2 is provided with six altogether, six holders 2 evenly encircle and distribute on ring frame 1's inner wall, the device during operation, six holders 2 that distribute on ring frame 1 inner wall carry out centre gripping fixed operation to the iron ingot of the device intermediate position simultaneously, safety and stability when guaranteeing iron ingot hoist and mount, through evenly encircle six holders 2 and distribute on ring frame 1's inner wall, can make a plurality of holders 2 more even when the application of force is being held to the iron ingot, and be favorable to guaranteeing that the iron ingot is fixed at the device intermediate position by the centre gripping, the effectual balance stability when having promoted the device hoist and mount iron ingot.

Referring to fig. 1, 3-4 and 7, the clamping member 2 includes a guide rail 201 vertically installed on the inner wall of the ring frame 1, a shaft seat 202 fixed on the inner wall of the ring frame 1 is installed right below the guide rail 201, a slide rod 203 is slidably inserted into the guide rail 201, a first clamping arm 204 is hinged on the outer wall of one side of the slide rod 203 close to the middle position of the ring frame 1, a second clamping arm 205 is hinged on the guide rail 201, the other end of the first clamping arm 204 is hinged with the other end of the second clamping arm 205, a contact plate 206 is rotatably connected at the hinge position of the first clamping arm 204 and the second clamping arm 205, an arc-shaped groove is vertically opened at one side of the contact plate 206 close to the middle position of the ring frame 1, and a plurality of horizontally arranged anti-skid convex strips are uniformly installed inside the groove, when the device works, the contact plate 206 rotatably connected at the hinge position of the first clamping arm 204 and the second clamping arm 205 is tightly attached to an iron ingot, through rotating the articulated department of connecting between centre gripping arm 204 and centre gripping arm two 205 with contact plate 206, increase holder 2 centre gripping ingot that can be relative and the area of contact between the ingot, simultaneously, through being close to contact plate 206 in the vertical recess of seting up the arc structure in one side of ingot, make contact inseparabler between contact plate 206 and the ingot, and, through the anti-skidding sand grip fixed mounting with the level setting inside the recess, be favorable to further increasing the frictional resistance when the pressurized between contact plate 206 and the ingot, very big promotion the device carry out the centre gripping stability when thermal treatment hoists the ingot.

Referring to fig. 7, two first springs 207 are symmetrically fixed on one side of the contact plate 206 close to the inner end wall of the ring frame 1 from top to bottom, the other ends of the two first springs 207 are respectively and fixedly installed on the corresponding first clamping arm 204 and the corresponding second clamping arm 205, the lengths of the first clamping arm 204 and the second clamping arm 205 are the same, when the device works, when the first clamping arm 204 and the second clamping arm 205 are stressed to deflect and move, the second clamping arm 205 installed at the hinged joint keeps a stable state under the elastic pulling of the first springs 207 on the upper and lower sides, by vertically and symmetrically and fixedly installing the two first springs 207 between the contact plate 206 and the first clamping arm 204 and the second clamping arm 205, the position of the contact plate 206 can be effectively balanced, so that the contact plate 206 still keeps a vertical state when the first clamping arm 204 and the second clamping arm 205 rotate, and the fitting stability between the contact plate and the outer wall of an iron ingot when the iron ingot is clamped, it is avoided that the clamping stability of the device is affected by the inclination of the contact plate 206.

Referring to fig. 3, the outer wall of the ring frame 1 is provided with a through groove 208 corresponding to the guide rail 201, and the inside of the through groove 208 is connected with a connecting block 209 fixedly arranged on the guide rail 201 in a sliding way, the outer side of the connecting block 209 is fixedly connected with a balancing weight 3, the appearance of the balancing weight 3 is in a circular ring structure, the balancing weight 3 is sleeved on the outer side of the annular frame 1 in a sliding way, the inner end wall of the balancing weight 3 is fixedly connected with the connecting blocks 209, when the device works, the clump weight 3 is sleeved outside the annular frame 1, so that the stability of the clump weight 3 during up-and-down sliding can be ensured, the clump weight 3 is prevented from deflecting during downward sliding, meanwhile, the inner end wall of the balancing weight 3 is respectively and fixedly connected with the corresponding sliding rod 203 through a plurality of connecting blocks 209, make balancing weight 3 can drive a plurality of holders 2 synchronous deformation when reciprocating and carry out the centre gripping operation, the stability of 2 centre gripping operations of effectual guarantee holder.

Referring to fig. 10-11, when the device works, for convenience of use, an iron ingot is shaped into a cylindrical structure, the device is installed on an external hoisting device through a hook 101, the device is used for hoisting a cylindrical iron ingot to be subjected to a heat treatment operation, the external hoisting device drives the device to move, when the device is used, the device is sleeved outside the cylindrical iron ingot to be hoisted, a balancing weight 3 moves downwards under the action of gravity, a sliding rod 203 moves downwards through the connection of a connecting block 209, so that a clamping arm I204 and a clamping arm II 205 are driven to deflect and approach, the hinged part of the clamping arm I204 and the clamping arm II 205 is supported outside the cylindrical iron ingot through the deformation of the clamping arm I204 and the clamping arm II 205, the iron ingot is clamped, and by installing a clamping piece 2 on the inner wall of an annular frame 1, the clamping arm I204 and the clamping arm II 205 inside the clamping piece 2 can move and deform, the cylindrical iron ingot to be subjected to heat treatment is clamped, so that the covered area when the iron ingot is fixed is effectively reduced.

Meanwhile, the iron ingots are directly stacked in the heating furnace by means of hoisting, the bottom of the iron ingots is effectively prevented from being covered by a contact surface when the iron ingots are placed, the heating uniformity of the iron ingots during heat treatment is further ensured, the first clamping arm 204 and the second clamping arm 205 are outwards pushed under the action of expansion force when the iron ingots clamped by the device expand during heat treatment by fixedly connecting the counterweight block 3 with the slide rod 203 and providing power for the movement of the slide rod 203 by means of the gravity of the counterweight block 3, so that the slide rod 203 moves upwards to drive the counterweight block 3 to slightly move upwards, the expansion of the iron ingots during heating and the contraction of the iron ingots during subsequent cooling can be realized by virtue of the self-weight of the counterweight block 3, the first clamping arm 204 and the second clamping arm 205 can both maintain the clamping tightness of the iron ingots by self-adaptive deformation, and the hoisting clamping looseness of the iron ingots caused by the expansion and contraction of the iron ingots is avoided, the use stability and the safety of the device are effectively guaranteed.

Referring to fig. 4-5 and 8, the length of the two-section cable 104 is greater than the length of the sliding rods 203, the middle position of the top of each sliding rod 203 is vertically fixed with a round rod 4, a limiting block 401 with a circular truncated cone structure is fixedly mounted at the top of each round rod 4, a plurality of clamping jaw assemblies 5 are uniformly arranged on the outer end wall of the connecting frame 103 in a surrounding manner, the clamping jaw assemblies 5 are respectively and correspondingly arranged right above the round rods 4, the diameter of the top of the limiting block 401 is smaller than the diameter of the outer side of each round rod 4, each clamping jaw assembly 5 comprises a mounting seat 501 fixedly mounted on the outer end wall of the connecting frame 103, one side of the mounting seat 501 close to the round rod 4 is hinged with two clamping jaw bodies 502 correspondingly arranged, a second spring 503 is fixedly mounted on the outer end wall of each clamping jaw body 502, and the other end of the second spring 503 is fixedly connected with the mounting seat 501.

When the device works, one end of the clamping jaw body 502, which is attached to the outer side of the round rod 4, is of a crescent structure, under the elastic supporting action of the spring II 503, the two corresponding clamping jaw bodies 502 are in a normally closed state, when the clamping jaw assembly 5 moves downwards relative to the limiting block 401, the clamping jaw bodies 502 can be unfolded by being guided by the inclined outer surface of the limiting block 401, when the clamping jaw assembly 5 passes through the limiting block 401 and is sleeved on the outer side of the round rod 4, under the elastic supporting action of the spring II 503, the two corresponding clamping jaw bodies 502 are closed again and tightly clamped on the outer side of the round rod 4, and by setting the limiting block 401 to be of a circular truncated cone structure, the clamping jaw assembly 5 can ensure that the two corresponding clamping jaw bodies 502 are gradually unfolded when moving downwards, and are closed again and clamped on the outer side of the round rod 4 after the clamping jaw assembly 5 passes through the limiting block 401, so that the device can be conveniently recycled and repeatedly used, need not to carry out too much adjustment, the effectual use convenience that has promoted the device.

When the device works, when hoisting operation is needed, an external crane controls the device to lift, the clamping jaw assembly 5 is clamped on the outer side of the round rod 4, under the limitation of the limiting block 401, the sliding rod 203 is kept to be synchronously connected with the connecting frame 103, because the length of the second-section guy cable 104 is greater than that of the sliding rod 203 and is influenced by the gravity of the device, the sliding rod 203 is positioned at the uppermost end of the sliding position in the initial state, the device is sleeved on the outer side of an iron ingot to be subjected to hoisting heat treatment, at the moment, the clamping jaw assembly 5 is controlled to loosen the clamping of the round rod 4, after the lifting of the connecting frame 103 is lost, the sliding rod 203 moves downwards under the driving of the balancing weight 3, the part connected with the lower end of the synchronous second-section guy cable 104 slightly falls downwards under the action of the gravity, at the moment, the clamping piece 2 is clamped on the outer side of the iron ingot under the driving of the downward movement of the balancing weight 3, and by means of the friction resistance and the extrusion force between the contact plate 206 and the outer surface of the iron ingot, make the device firmly centre gripping to the iron ingot, through installing clamping jaw assembly 5 directly over round bar 4, can make and mutually support between clamping jaw assembly 5 and the round bar 4, the start-up of exhibition to holder 2 through clamping jaw assembly 5 carries out nimble control, the effectual use convenience that has promoted the device.

Referring to fig. 4 and 8, an inner ring frame 6 is disposed at a circle center position of the connecting frame 103, a plurality of connecting cylinders 601 corresponding to the clamping jaw assemblies 5 are uniformly fixed between the connecting frame 103 and the inner ring frame 6 in a surrounding manner, the insides of the connecting cylinders 601 penetrate through the insides of the connecting frame 103 and the inner ring frame 6, steel cables 602 are inserted into the insides of the connecting cylinders 601, a spring iii 603 is fixedly connected to one side of each steel cable 602 close to the clamping jaw assembly 5, the other end of the spring iii 603 is fixedly connected to the corresponding two clamping jaw bodies 502 through the steel cable, a heat insulation box 7 is fixedly connected to the other end of each steel cable 602, and an electromagnet 701 is mounted inside the heat insulation box 7.

When the device works, the steel cable 602 is connected between the heat insulation box 7 and the clamping jaw assembly 5, the electromagnet 701 arranged in the heat insulation box 7 can be electrified and inserted for magnetic attraction, when the electromagnet 701 is electrified, under the electrified condition, the electromagnet can attract the iron ingot below, because the weight of the iron ingot is overlarge, the heat insulation box 7 is driven to move downwards under the action of the attraction force, the clamping jaw body 502 in the clamping jaw assembly 5 connected with the other end of the electromagnet is pulled by the steel cable 602 to rotate, the active opening of the clamping jaw assembly 5 is effectively and flexibly controlled, the steel cable 602 is connected between the clamping jaw assembly 5 and the heat insulation box 7, the steel cable 602 can be pulled to move downwards by means of the magnetic attraction generated by the electrification of the electromagnet 701, so that one side, close to the connecting frame 103, of the corresponding clamping jaw body 502 is pulled, the clamping jaw body 502 is enabled to expand outwards, and the control flexibility of the device is convenient to improve, through connecting spring three 603 between clamping jaw body 502 and steel cable 602, can provide the buffer clearance for clamping jaw body 502 opens outwards for clamping jaw body 502 can stably pass stopper 401 through the extrusion deflection when clamping jaw assembly 5 moves down, the effectual job stabilization who ensures the device.

Referring to fig. 6, a horizontally disposed roller 604 is rotatably connected to a connection portion between the connecting cylinder 601 and the inner ring frame 6, the steel cable 602 is erected above the roller 604, when the device works, the steel cable 602 is erected above the roller 604, the steel cable 602 is guided by rolling of the roller 604, the roller 604 is rotatably connected to the connection portion between the connecting cylinder 601 and the inner ring frame 6, the direction-changed steel cable 602 can be guided, direct contact friction between the steel cable 602 and an opening corner during movement is avoided, the probability of abrasion of the steel cable 602 is reduced, and the service life of the device is prolonged.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. A hoisting device with an adaptive complementary structure for metal heat treatment comprises an annular frame (1), and is characterized in that: the middle position of the top of the annular frame (1) is connected with a hook (101), a plurality of clamping pieces (2) are installed on the inner wall of the annular frame (1), each clamping piece (2) comprises a guide rail (201) vertically installed on the inner wall of the annular frame (1), a shaft seat (202) fixed on the inner wall of the annular frame (1) is installed under each guide rail (201), a sliding rod (203) is inserted into each guide rail (201) in a sliding mode, a first clamping arm (204) is hinged to the outer wall of one side, close to the middle position of the annular frame (1), of each sliding rod (203), a second clamping arm (205) is hinged to each guide rail (201), the other end of the first clamping arm (204) is hinged to the other end of the second clamping arm (205), a through groove (208) corresponding to each guide rail (201) is formed in the outer wall of the annular frame (1), and a connecting block (209) fixedly installed on each guide rail (201) is connected to the inner sliding of each through groove (208), the outer side of the connecting block (209) is fixedly connected with a balancing weight (3), the bottom of the hook (101) is fixedly connected with a plurality of section inhaul cables (102), the bottom of the section inhaul cables (102) is fixedly connected with a connecting frame (103), a plurality of section inhaul cables (104) are uniformly and fixedly connected between the connecting frame (103) and the annular frame (1), the length of the section inhaul cables (104) is greater than that of the sliding rods (203), the middle position of the top of each sliding rod (203) is vertically fixed with a round rod (4), the top of the round rod (4) is fixedly provided with a limiting block (401) with a round platform structure, the outer end wall of the connecting frame (103) is uniformly provided with a plurality of clamping jaw assemblies (5) in a surrounding manner, the clamping jaw assemblies (5) are respectively and correspondingly arranged right above the round rods (4), and the top diameter of the limiting block (401) is smaller than the outer diameter of the round rod (4), the clamping jaw assembly (5) comprises a mounting seat (501) fixedly mounted on the outer end wall of the connecting frame (103), two clamping jaw bodies (502) correspondingly arranged are hinged to one side of the round rod (4) in the mounting seat (501), a spring II (503) is fixedly mounted on the outer end wall of each clamping jaw body (502), the other end of the spring II (503) is fixedly connected with the mounting seat (501), an inner ring frame (6) is arranged at the circle center position of the connecting frame (103), a plurality of connecting cylinders (601) corresponding to the clamping jaw assembly (5) are uniformly fixed between the connecting frame (103) and the inner ring frame (6) in a surrounding manner, the insides of the connecting cylinders (601) are communicated with the insides of the connecting frame (103) and the inner ring frame (6), a plurality of steel cables (602) are inserted into the insides of the connecting cylinders (601), and a steel cable III (603) is fixedly connected to one side of the clamping jaw assembly (5) in a bonding manner, the other end of the spring III (603) is fixedly connected with the two corresponding clamping jaw bodies (502) through a steel cable, the other end of the steel cable (602) is fixedly connected with a heat insulation box (7), and an electromagnet (701) is arranged inside the heat insulation box (7).

2. The hoisting device with the adaptive complementary structure for the metal heat treatment according to claim 1, wherein: the clamping pieces (2) are six in number, and the clamping pieces (2) are uniformly distributed on the inner wall of the annular frame (1) in a surrounding mode.

3. The hoisting device with the adaptive complementary structure for the metal heat treatment according to claim 1, wherein: the articulated department of centre gripping arm one (204) and centre gripping arm two (205) rotates and is connected with contact plate (206), and contact plate (206) are close to in the vertical recess of seting up the arc structure in one side of annular frame (1) intermediate position, and the inside evenly installed of recess has the anti-skidding sand grip that a plurality of levels set up.

4. The hoisting device with the adaptive complementary structure for the metal heat treatment according to claim 3, wherein: the contact plate (206) is fixed with two first springs (207) in an up-down symmetrical manner on one side close to the inner end wall of the annular frame (1), the other ends of the two first springs (207) are respectively and fixedly installed on the corresponding first clamping arm (204) and the second clamping arm (205), and the first clamping arm (204) and the second clamping arm (205) are the same in length.

5. The hoisting device with the adaptive complementary structure for the metal heat treatment according to claim 1, wherein: the appearance of balancing weight (3) is the ring structure, balancing weight (3) slip cap is established in the outside of annular frame (1), fixed connection between the interior end wall of balancing weight (3) and a plurality of connecting block (209).

6. The hoisting device with the adaptive complementary structure for the metal heat treatment according to claim 1, wherein: the connecting cylinder (601) is rotatably connected with a roller (604) which is horizontally arranged at the communication position of the inner ring frame (6), and the steel cable (602) is erected above the roller (604).