CN117509424B - Automatic lifting travelling mechanism of ion nitriding furnace cover - Google Patents
Automatic lifting travelling mechanism of ion nitriding furnace cover Download PDFInfo
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- CN117509424B CN117509424B CN202410013655.6A CN202410013655A CN117509424B CN 117509424 B CN117509424 B CN 117509424B CN 202410013655 A CN202410013655 A CN 202410013655A CN 117509424 B CN117509424 B CN 117509424B
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- nitriding furnace
- lifting
- furnace cover
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- 238000005121 nitriding Methods 0.000 title claims abstract description 112
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000001125 extrusion Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 description 18
- 230000008569 process Effects 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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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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- 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
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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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
- B66C15/00—Safety gear
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention belongs to the technical field of ion nitriding furnace hoods, in particular to an automatic lifting travelling mechanism of an ion nitriding furnace hood, which comprises a base and a nitriding furnace hood body arranged on the surface of the base, wherein an anti-swing lifting assembly is arranged above the nitriding furnace hood body.
Description
Technical Field
The invention belongs to the technical field of ion nitriding furnace hoods, and particularly relates to an automatic lifting travelling mechanism of an ion nitriding furnace hood.
Background
Nitriding is a common mode for improving the wear resistance and hardness of the surface of a metal material, nitriding is generally carried out by adopting a nitriding furnace, the ion nitriding furnace is one type of nitriding furnace, the ion nitriding furnace ionizes nitrogen-containing lean gas in a direct current electric field in a vacuum container, positive ions bombard the surface of the metal part to form a nitriding layer so as to achieve surface hardening, and at present, the general ion nitriding furnace at home and abroad mostly adopts a bell-type structure, and a nitriding furnace cover needs to be lifted to load and unload workpieces when the ion nitriding starts or ends, so that a lifting travelling mechanism is needed to carry out loading and unloading operation;
Although the existing lifting travelling mechanism meets the use requirement of a user to a certain extent, certain defects still exist in the use process, and the special problems are that only one lifting point exists when the nitriding furnace cover is lifted, the nitriding furnace cover is easy to shake due to uneven gravity center in the lifting process, shaking and dumping easily occur, the stability is poor in the lifting or travelling process, the single point is stressed excessively, the falling risk exists, and the larger potential safety hazard exists in the use process, so that certain adverse effects are brought to the use process of people;
In order to solve the problems, the application provides an automatic lifting travelling mechanism of an ion nitriding furnace cover.
Disclosure of Invention
The invention provides an automatic lifting travelling mechanism of an ion nitriding furnace cover, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic lifting travelling mechanism of an ion nitriding furnace cover comprises a base and a nitriding furnace cover body arranged on the surface of the base;
An anti-swing lifting assembly is arranged above the nitriding furnace cover body and comprises a winch, a driving motor, a hinge lifting hook, a lifting hook frame, a positioning lifting plate, a controller, a positioning inserting rod, an electromagnet, a magnetic block and a contact switch, wherein the winch is used for stably lifting the nitriding furnace cover body;
The nitriding furnace cover body is characterized in that a winch is arranged above the nitriding furnace cover body, a driving motor is arranged at the end of the winch through screws, a hinge lifting hook is arranged at the bottom of the winch, a lifting hook frame is hinged to the bottom end of the hinge lifting hook, a positioning lifting plate is arranged right below the lifting hook frame, a controller is arranged on the middle of the surface of the positioning lifting plate through screws, four groups of positioning inserting rods are welded at four corners of the surface of the nitriding furnace cover body, a contact switch is arranged on the surface end of the positioning lifting plate through screws, an electromagnet is arranged on the middle of the lower surface of the positioning lifting plate through screws, and a magnetic block is fixed in the middle of the top end of the nitriding furnace cover body.
As the automatic lifting travelling mechanism of the ion nitriding furnace cover, the invention is preferable, and the anti-swing lifting assembly also comprises a limit slide bar, a spring IV and a limit stop block;
the surface fixing of location hanger plate has spacing slide bar, be fixed with the spring IV between hanger frame and the location hanger plate, limit stop is welded on the top of spacing slide bar, the inside location slot of having seted up with location inserted bar looks adaptation of location hanger plate.
As the automatic lifting travelling mechanism of the nitriding furnace hood, the contact switch and the controller are preferably electrically connected with the electromagnet, and the electromagnet after being electrified is magnetically connected with the magnetic block.
As the automatic lifting travelling mechanism of the nitriding furnace hood, the surface of the base is provided with the self-locking travelling assembly, and the self-locking travelling assembly comprises a travelling rail, travelling wheels, a supporting seat, a travelling motor, a supporting column, a traversing rack, a traversing rail, a traversing wheel rack, a traversing motor and a self-locking piece, wherein the travelling rail, the travelling wheels, the supporting seat, the travelling motor, the supporting column, the traversing rack and the self-locking piece are used for driving the nitriding furnace hood body to travel;
The surface welding of base has the walking track, the surface sliding connection of walking track has the walking wheel, the supporting seat is installed to the top of walking wheel, one side screw of supporting seat installs the walking motor, the surface welding of supporting seat has the support column, the top welding of support column has the sideslip frame, the surface bilateral symmetry welding of sideslip frame has the sideslip track, the sideslip wheel carrier is installed to the top of sideslip track, the surface screw of sideslip wheel carrier installs the sideslip motor, the inside of base is fixed with the auto-lock.
As the automatic lifting travelling mechanism of the ion nitriding furnace cover, the self-locking piece comprises a positioning seat, a positioning hinge shaft, a positioning swinging plate, a first spring, a hanging lug, a contact wheel, a positioning baffle rod, a positioning frame and a second spring;
the positioning seat is fixed in the base, the inside of positioning seat is fixed with the location hinge, the surface hinge of location hinge has the location pendulum board, the other end hook of location pendulum board is equipped with spring one, the other end hook of spring one is equipped with the hangers, just the hangers is fixed in the inside of positioning seat, semi-circular end department butt of location pendulum board has the touch wheel, the welding of the end department of touch wheel has the location shelves pole, the fixed surface of positioning seat has the locating rack, be fixed with spring two between touch wheel and the locating rack.
As the automatic lifting travelling mechanism of the ion nitriding furnace cover, the invention is preferable, the fixing frame is arranged on the symmetrical screws on two sides of the winch, and the end of the fixing frame is welded between two groups of transverse moving wheel frames.
As the automatic lifting travelling mechanism of the ion nitriding furnace cover, the inside of the supporting seat is connected with the pull rod in a sliding manner, the spring III is fixed between the supporting seat and the pull rod, the bottom end of the pull rod is fixed with the deflector rod, and the movement track of the deflector rod is matched with the position of the positioning swing plate.
As the automatic lifting travelling mechanism of the ion nitriding furnace cover, a self-clamping assembly is arranged between the nitriding furnace cover body and the positioning hanging plate, and comprises a clamp seat, a fixed hinge shaft, clamping clamps, a fixed lug, a fixed plate, a bidirectional screw rod, a threaded block, an avoidance motor and an extrusion arc block, wherein the clamp seat is used for automatically connecting the nitriding furnace cover body and the positioning hanging plate;
The four corners of the lower surface of the positioning hanging plate are welded with clamp seats, the inner bottom end of each clamp seat is fixed with a fixed hinge shaft, the surface of each fixed hinge shaft is hinged with two groups of clamping clamps which are arranged in a staggered way, the surface of the nitriding furnace cover body is welded with fixing lugs, the two sides of each fixing lug are symmetrically provided with extrusion arc blocks, one side of extrusion arc piece is fixed with the screw thread piece, the inside threaded connection of screw thread piece has two-way lead screw, the surface welding of nitriding furnace cover body has the fixed plate, just two-way lead screw rotates to be connected between two sets of fixed plates, the surface screw of fixed plate installs dodges the motor, just dodge the output and the two-way lead screw of motor and be connected.
As the automatic lifting travelling mechanism of the ion nitriding furnace cover, the self-clamping assembly also comprises a connecting rod, a movable hinge shaft, a movable block and a spring;
The clamping clamp is characterized in that connecting rods are hinged at the ends of the clamping clamp, movable hinge shafts are hinged at the ends of the two groups of connecting rods, movable blocks are fixed at the two ends of each movable hinge shaft, and springs are fixed between the movable blocks and the clamp seat.
As the automatic lifting travelling mechanism of the nitriding furnace hood, the surfaces of the clamping clamp and the extrusion arc block are of arc structures, and the contact switch and the controller are electrically connected with the avoidance motor.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. The anti-swing lifting assembly is arranged, and through the use of the winch, the driving motor, the hinge lifting hook, the lifting hook frame, the positioning lifting plate, the controller, the positioning inserting rod, the electromagnet, the magnetic block and the contact switch, the follow-up nitriding furnace cover body can be in a stable state when lifted, the shaking deviation of the nitriding furnace cover body when lifted is avoided, the lifting stability of the nitriding furnace cover body is improved, the shaking of the nitriding furnace cover body when lifted can be counteracted through the limit of the four positioning inserting rods, so that the nitriding furnace cover body can be effectively and stably lifted, the accidental damage to surrounding staff or a lifting travelling mechanism caused by shaking of the nitriding furnace cover body is avoided, the accidental occurrence probability is reduced, the safety performance is remarkably improved, and the nitriding furnace cover is convenient for people to use;
Through the use of limit sliding rod, spring IV and limit stop, can be after nitriding the stove cover body shifts to the position of putting, realize automatic unhooking to resume initial position with the location hanger plate, improve work efficiency.
2. The self-locking walking assembly is arranged, and through the use of the walking track, the walking wheels, the supporting seat, the walking motor, the supporting column, the transverse moving frame, the transverse moving track, the transverse moving wheel frame, the transverse moving motor and the self-locking piece, the positions of the winch and the hinge lifting hook can be adjusted to be opposite to the upper part of the nitriding furnace cover body, the lifting position of the hinge lifting hook can be quickly adjusted according to different lifting points of the nitriding furnace cover body, and the lifting walking adaptability to the nitriding furnace cover body is wider;
Through the use of positioning seat, location hinge, location swing plate, spring one, hangers, support touch wheel, location shelves pole, locating rack and spring two, can be after the walking wheel removes to the preset position, keep walking wheel and sideslip frame in parking state, ensure follow-up can not produce the motion between walking wheel and the walking track when lifting and hoisting nitriding furnace cover body, guarantee the security in the lift process, make the lift process of nitriding furnace cover body more stable.
3. The self-clamping assembly is arranged, through the use of the clamp seat, the fixed hinge shaft, the clamping clamp, the fixed lug, the fixed plate, the bidirectional screw rod, the threaded block, the avoidance motor and the extrusion arc block, the clamping connection between the clamping clamp and the fixed lug can be automatically realized, so that the quick connection between the positioning hanging plate and the nitriding furnace cover body is realized, the automatic hanging hook is realized, the operation is simple, the manual hanging hook connection of a worker is not needed, the working efficiency is improved, the potential safety hazard is eliminated, the stress uniformity in the lifting process of the nitriding furnace cover body can be ensured, the balance in the lifting process is ensured, the stable lifting operation is performed, and the phenomenon that the nitriding furnace cover body is severely rocked during lifting is further prevented;
Through the use of connecting rod, removal hinge, movable block and spring five, can make the block clamp bear the pulling force always in the lift in-process, and then make two sets of block clamp buckle together all the time, can not take place the phenomenon that loosens to after nitriding furnace cover body falls, can pull two sets of block clamp and open each other, can automatic release the connection between block clamp and the fixed ear, realize automatic unhooking.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a self-locking walking assembly according to the present invention;
FIG. 3 is a partial cross-sectional view of a self-locking walking assembly of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the self-locking member according to the present invention;
FIG. 6 is a schematic diagram of a structure of an anti-swing lifting assembly and a self-clamping engagement assembly according to the present invention;
FIG. 7 is a schematic diagram II of the structure of the anti-swing lifting assembly and the self-clamping and locking assembly according to the present invention;
FIG. 8 is a schematic view of the construction of the hanger bracket and positioning hanger plate of the present invention;
FIG. 9 is a cross-sectional view of the clamp seat of the present invention;
FIG. 10 is a schematic view of a clamp seat and a clamping clamp according to the present invention;
FIG. 11 is a schematic view of a self-clamping engagement assembly according to the present invention.
In the figure:
1. a base; 2. nitriding the furnace cover body;
3. A self-locking walking assembly; 31. a walking rail; 32. a walking wheel; 33. a support base; 331. a pull rod; 332. a third spring; 333. a deflector rod; 34. a walking motor; 35. a support column; 36. a transverse moving frame; 37. a traversing rail; 38. a traversing wheel frame; 39. a traversing motor; 310. a self-locking member; 3101. a positioning seat; 3102. positioning a hinge shaft; 3103. positioning a swinging plate; 3104. a first spring; 3105. hanging lugs; 3106. a contact wheel; 3107. positioning a baffle rod; 3108. a positioning frame; 3109. a second spring;
4. an anti-sway lifting assembly; 41. a fixing frame; 42. a winch; 43. a driving motor; 44. a hinge hook; 45. a hanger bracket; 46. positioning a hanging plate; 461. a limit slide bar; 462. a spring IV; 463. a limit stop; 464. a controller; 465. positioning the inserted link; 47. an electromagnet; 48. a magnetic block; 49. a contact switch;
5. A self-clamping assembly; 51. a clamp seat; 52. fixing a hinge shaft; 521. a connecting rod; 522. moving the hinge shaft; 523. a moving block; 524. a spring V; 53. clamping the clamp; 54. a fixed ear; 55. a fixing plate; 56. a two-way screw rod; 561. a guide rod; 57. a screw block; 58. avoiding a motor; 59. and extruding the arc blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-11, the invention provides a technical scheme, namely an automatic lifting travelling mechanism of an ion nitriding furnace cover, which comprises a base 1 and a nitriding furnace cover body 2 arranged on the surface of the base 1;
The surface of the base 1 is provided with an anti-swing lifting assembly 4, and the anti-swing lifting assembly 4 comprises a fixed frame 41, a winch 42, a driving motor 43, a hinge lifting hook 44, a lifting hook frame 45, a positioning lifting plate 46, a limiting slide rod 461, four springs 462, a limiting stop 463, a controller 464, a positioning inserting rod 465, an electromagnet 47, a magnetic block 48 and a contact switch 49;
The upper portion of nitriding furnace housing 2 is provided with capstan winch 42, mount 41 is installed to the bilateral symmetry screw of capstan winch 42, the end department screw of capstan winch 42 installs driving motor 43, hinge lifting hook 44 is installed to the bottom of capstan winch 42, hinge lifting hook 44's bottom articulates through articulated seat has the lifting hook frame 45 that is cross structure, be provided with the location hanger plate 46 that is cross structure under lifting hook frame 45, the surface fixation of locating hanger plate 46 has a plurality of groups of limit slide bar 461, the spacing spout with limit slide bar 461 looks adaptation is seted up to lifting hook frame 45's inside, limit slide bar 461's both sides are provided with four 462 of spring, and the both ends of four 462 of spring are fixed between lifting hook frame 45 and locating hanger plate 46, lifting hook frame 45's top is provided with limit stop 463, and limit stop 463 welds the top at limit slide bar 461, the surface middle part screw of locating hanger plate 46 installs controller 464, the surface middle part screw of nitriding furnace housing 2 has four groups of locating insert rods 465, the inside the locating slot with locating insert rod looks adaptation of locating hanger plate 46, the surface of locating plate 46 is close to this locating insert plate 46 surface mounting has the magnet insert hole of the magnet, the surface mounting of the magnet insert sleeve 46 is more smooth and easy, the top of locating magnet 46 is installed at the top of the locating magnet 46, the surface of the magnet insert sleeve 46 is more convenient for the top of the magnet is installed at the top of the locating magnet 46.
The self-locking walking assembly 3 is arranged on the surface of the base 1, and the self-locking walking assembly 3 comprises a walking rail 31, a walking wheel 32, a supporting seat 33, a pull rod 331, a spring III 332, a deflector rod 333, a walking motor 34, a supporting column 35, a traversing rack 36, a traversing rail 37, a traversing rack 38, a traversing motor 39, a self-locking piece 310, a positioning seat 3101, a positioning hinge shaft 3102, a positioning swinging plate 3103, a spring I3104, a hanging lug 3105, a collision wheel 3106, a positioning baffle rod 3107, a positioning rack 3108 and a spring II 3109;
Two groups of parallel walking rails 31 are welded on the surface of the base 1, the surfaces of the walking rails 31 are connected with walking wheels 32 in a sliding manner, supporting seats 33 are connected above the walking wheels 32 through axles, pull rods 331 are connected inside the supporting seats 33 in a sliding manner through pull grooves, springs III 332 are wound on the surfaces of the pull rods 331, two ends of the springs III 332 are fixed between the supporting seats 33 and the pull rods 331, a deflector rod 333 is fixed at the bottom end of each pull rod 331, a deflector groove matched with the deflector rod 333 is arranged inside the base 1, a walking motor 34 is mounted on one side of each supporting seat 33 through screws, the output ends of the walking motors 34 are connected with axles inside the walking wheels 32, supporting columns 35 are welded on the surfaces of the supporting seats 33, transverse moving frames 36 are welded on the top ends of the four groups of the supporting columns 35, rails 37 are symmetrically welded on two sides of the surfaces of the transverse moving frames 36, transverse moving frames 38 are provided with transverse moving frames 38, the inside of the traversing wheel frame 38 is provided with a travelling wheel 32 which is matched with the traversing rail 37, the traversing wheel frame 38 is connected to the surface of the traversing rail 37 in a sliding way through the travelling wheel 32, a traversing motor 39 is arranged on the surface screw of the traversing wheel frame 38, the output end of the traversing motor 39 is connected with the wheel shaft inside the traversing wheel frame 38, the output ends of the traversing motor 39 and the travelling motor 34 are respectively provided with a transmission case, the transmission case mainly consists of a worm wheel, a worm and the like, the travelling wheel 32 can be self-locked through the power transmission of the transmission case, the travelling wheel 32 is immediately kept in a parking state after stopping operation, the travelling wheel 32 is prevented from moving under the stress, the condition that the lifting of the nitriding furnace cover body 2 is caused to shake is avoided, the self-locking part 310 is fixed in the base 1, the self-locking part 310 is formed by a positioning seat 3101, a positioning hinge shaft 3102 and a positioning swinging plate 3103, the positioning device comprises a first spring 3104, a hanging lug 3105, a supporting ring 3106, a positioning gear 3107, a positioning frame 3108 and a second spring 3109, wherein the positioning seat 3101 is fixed in the base 1, a positioning hinge shaft 3102 is fixed in the positioning seat 3101, a positioning swinging plate 3103 is hinged to the surface of the positioning hinge shaft 3102, one end of the positioning swinging plate 3103 is in a semicircular structure, the other end of the positioning swinging plate 3103 is hooked with the first spring 3104, the other end of the first spring 3104 is hooked with the hanging lug 3105, the hanging lug 3105 is fixed in the positioning seat 3101, the supporting ring 3106 is abutted to the semicircular end of the positioning swinging plate 3103, the positioning gear 3107 is welded at the end of the supporting ring 3106, a positioning frame 3108 is fixed on one side of the surface of the positioning seat 3101 close to the positioning gear 3107, a positioning groove matched with the positioning gear 3107 is formed in the positioning frame 3108, the surface of the positioning gear 3107 is wound with the second spring 3109, and two ends of the second spring 9 are fixed between the supporting ring 3106 and the positioning frame 3108.
A self-clamping and clamping assembly 5 is arranged between the nitriding furnace cover body 2 and the positioning hanging plate 46, and the self-clamping and clamping assembly 5 comprises a clamp seat 51, a fixed hinge shaft 52, a connecting rod 521, a movable hinge shaft 522, a movable block 523, a spring five 524, a clamping clamp 53, a fixed lug 54, a fixed plate 55, a bidirectional screw rod 56, a guide rod 561, a threaded block 57, an avoidance motor 58 and an extrusion arc block 59;
The four corners of the lower surface of the positioning hanging plate 46 are welded with clamp bases 51, the inner bottom ends of the clamp bases 51 are fixed with fixed hinge shafts 52, the surfaces of the fixed hinge shafts 52 are hinged with two groups of clamping clamps 53 which are arranged in a staggered mode, the ends of the two groups of clamping clamps 53 are hinged with connecting rods 521 through hinge shafts, the ends of the two groups of connecting rods 521 are hinged with movable hinge shafts 522, the two ends of the movable hinge shafts 522 are fixed with movable blocks 523, movable grooves matched with the movable blocks 523 are formed in the inner parts of the clamp bases 51, springs five 524 are fixed between the movable blocks 523 and the clamp bases 51, two sides of the fixed lugs 54 are symmetrically provided with extrusion arc blocks 59, one sides of the extrusion arc blocks 59 are fixed with threaded blocks 57, the inner threads of the threaded blocks 57 are connected with bidirectional screw rods 56, the two ends of the bidirectional screw rods 56 are rotatably connected with fixed plates 55 through bearings, the fixed plates 55 are welded on the surfaces of the nitriding furnace cover 2, surface screws of the fixed plates 55 are provided with guide rods 561, and guide rods are matched with the guide rods 57, and the guide rods are matched with the guide rods 55.
The contact switch 49 and the controller 464 are electrically connected with the electromagnet 47 and the avoidance motor 58.
When the nitriding furnace cover body 2 needs to be lifted to load and unload a workpiece, firstly, the traveling motor 34 is started, the traveling wheel 32 is driven by the traveling motor 34 to move on the surface of the traveling track 31, then the supporting seat 33 and the supporting column 35 are driven to move above the base 1, so that the traversing frame 36, the winch 42 inside the traversing frame and the hinge lifting hook 44 are driven to synchronously move, the pull rod 331 can be driven to synchronously move along with the movement of the supporting seat 33, the deflector 333 is driven to slide in a deflector groove formed inside the base 1, the deflector 333 gradually pushes the positioning swinging plate 3103 to do circular motion inside the positioning seat 3101 by taking the positioning hinge shaft 3102 as a circle center, under the cooperation of the hanging lugs 3105, the tension spring 3104 deforms and generates elasticity, along with the movement of the positioning swinging plate 3103, the semicircular part at the end can squeeze the abutting wheel 3106 to slide along the surface of the positioning swinging plate 3106, then under the action of a locating frame 3108, the second extrusion spring 3109 deforms and generates elastic force, the locating gear lever 3107 is pushed to slide in a rod groove formed in the base 1, after the travelling wheel 32 moves to a preset position, the locating gear lever 3107 is just pushed out completely and is blocked in front of the travelling wheel 32, at the moment, the travelling wheel 32 cannot move, the travelling wheel 32 and the transverse frame 36 can be kept in a parking state, the travelling wheel 32 and the travelling rail 31 cannot move when the nitriding furnace cover 2 is lifted and hoisted, the safety in the lifting process is ensured, the lifting process of the nitriding furnace cover 2 is enabled to be more stable, the transverse motor 39 is controlled to operate, the transverse wheel frame 38 can be driven to move on the transverse rail 37 welded on the surface of the transverse frame 36 along with the operation of the transverse motor 39, the positions of the winch 42 and the hinge lifting hook 44 can be adjusted, the lifting position of the hinge lifting hook 44 can be quickly adjusted according to different lifting points of the nitriding furnace cover body 2 by leading the lifting hook to be opposite to the upper side of the nitriding furnace cover body 2, and the lifting walking adaptability to the nitriding furnace cover body 2 is wider.
When the winch is moved to a preset position, the winch 42 is driven by the driving motor 43 to drive the hinge lifting hook 44 to approach the top end of the nitriding furnace cover body 2, along with the continuous downward movement of the hinge lifting hook 44, the lifting hook frame 45 and the positioning lifting plate 46 can be driven to synchronously move, along with the downward movement of the positioning lifting plate 46, when the positioning slot formed in the positioning lifting plate 46 is aligned with the top end of the positioning inserting rod 465 and gradually sleeved on the surface of the positioning inserting rod 465, the lifting position of the nitriding furnace cover body 2 can be automatically calibrated, the lifting and traveling operation efficiency of the nitriding furnace cover body 2 is improved, the contact switch 49 can be automatically started through the abutting of the positioning inserting rod 465, along with the starting of the contact switch 49, an electric signal can be sent to the controller 464, the circuit of the electromagnet 47 is connected by the controller 464, the magnetism of the electromagnet 48 is generated, and through the mutual attraction of the electromagnet 47 and the magnet 48, the positioning hanging plate 46 can be pulled to slide on the surface of the positioning inserting rod 465, so that the positioning hanging plate is automatically moved downwards to the middle part of the surface of the positioning inserting rod 465 from the top end of the surface of the positioning inserting rod 465, and the limiting slide rod 461 can be driven to slide in the lifting hook frame 45 through the downwards movement of the positioning hanging plate 46, the four extension springs 462 are deformed and generate elastic force, when the electromagnet 47 and the magnetic block 48 are adsorbed together, the limiting stop 463 at the top end of the limiting slide rod 461 just abuts against the surface of the lifting hook frame 45, the preliminary connection between the lifting hook frame 45 and the nitriding furnace cover 2 can be realized, at the moment, the following nitriding furnace cover 2 can be in a relatively stable state during lifting, the shaking and shifting of the nitriding furnace cover 2 during lifting can be avoided, the lifting stability of the nitriding furnace cover 2 can be improved, through the spacing of four location inserted bars 465, can offset rocking when nitriding the stove cover body 2 hoist and mount to guarantee that nitriding the stove cover body 2 can effectively steady promotion, avoid nitriding the stove cover body 2 to cause unexpected injury to staff or lifting running gear around because of rocking, reduce unexpected probability that takes place, the security performance is showing and is improving, makes things convenient for people to use.
By starting the contact switch 49, the controller 464 is matched to start the avoidance motor 58 to drive the bidirectional screw rod 56 to rotate between the two groups of fixed plates 55, so as to drive the two groups of screw blocks 57 to relatively move along the screw tracks, then under the guidance of the guide rod 561, the two groups of extrusion arc blocks 59 can be driven to mutually approach, then the clamp seat 51 can be driven to synchronously move downwards in a matched manner to match with the downward movement of the positioning hanging plate 46, the clamping clamp 53 is driven to move towards the fixed lugs 54, along with the downward movement of the clamping clamp 53, after the clamping clamp 53 contacts with the surface of the extrusion arc blocks 59, the two groups of clamping clamp 53 can be extruded to overturn along the fixed hinge shaft 52 through the arc surfaces of the clamping clamp 53 and the extrusion arc blocks 59, then the connecting rod 521 can be driven to move by the movement of the clamping clamp 53, and then the movable hinge shaft 522 is driven to move upwards in the clamp seat 51, thereby driving the moving block 523 to slide in a moving groove formed in the clamp seat 51, the spring five 524 can be stretched to deform and generate elastic force through the sliding of the moving block 523, so that the two groups of clamping clamps 53 can synchronously move inwards, when the end parts of the two groups of clamping clamps 53 are contacted and then just clamped at the hook part of the fixed lug 54, the clamp seat 51 can stop moving at the moment, the buckling connection between the clamping clamps 53 and the fixed lug 54 can be automatically realized, the quick connection between the positioning hanging plate 46 and the nitriding furnace cover body 2 is realized, the automatic hooking is realized, the operation is simple, the manual hooking connection of a worker is not needed, the working efficiency is improved, the potential safety hazard is eliminated, the uniform stress in the lifting process of the nitriding furnace cover body 2 can be ensured through the lifting of the four groups of clamping clamps 53 and the fixed lug 54, the balance in the lifting process is ensured, thereby carrying out stable lifting operation, further preventing the nitriding furnace cover body 2 from shaking violently during lifting, then starting the driving motor 43 to drive the hinge lifting hook 44 to lift the nitriding furnace cover body 2, then, through the pulling force of the nitriding furnace cover body 2 and the fixing lugs 54 to the two groups of clamping clamps 53, the clamping clamps 53 can bear the pulling force all the time in the lifting process, further, the two groups of clamping clamps 53 are always fastened together without loosening, after the nitriding furnace cover body 2 is lifted to a preset height, the driving motor 43 is stopped, then, the traveling motor 34 and the traversing motor 39 are started, the nitriding furnace cover body 2 can be driven to travel above the base 1 until the nitriding furnace cover body 2 is transferred to a placing position, the driving motor 43 can be reversely started to drop the nitriding furnace cover body 2, when the nitriding furnace cover body 2 falls, the controller 464 controls the avoiding motor 58 to rotate reversely, so that the two groups of extrusion arc blocks 59 can be driven to move away from each other, extrusion limit on the two groups of clamping clamps 53 is relieved, then under the action of the elastic force of the springs five 524, the moving block 523 can be pulled to move downwards in the clamp seat 51, the two groups of clamping clamps 53 are driven to open mutually, connection between the clamping clamps 53 and the fixing lugs 54 can be relieved, automatic unhooking is achieved, the magnetic pole direction of the electromagnet 47 is controlled by the controller 464, mutual repulsion magnetism is generated between the electromagnet and the magnetic block 48, and the positioning hanging plate 46 can be restored to the initial position by matching with the elastic force of the springs four 462, so that automatic lifting and running operation of the nitriding furnace cover body 2 is completed.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An automatic lifting travelling mechanism of an ion nitriding furnace cover comprises a base (1) and a nitriding furnace cover body (2) arranged on the surface of the base (1);
The method is characterized in that: an anti-swing lifting assembly (4) is arranged above the nitriding furnace cover body (2), and the anti-swing lifting assembly (4) comprises a winch (42), a driving motor (43), a hinge lifting hook (44), a lifting hook frame (45), a positioning lifting plate (46), a controller (464), a positioning inserting rod (465), an electromagnet (47), a magnetic block (48) and a contact switch (49) which are used for stably lifting the nitriding furnace cover body (2);
The nitriding furnace cover body (2) is characterized in that a winch (42) is arranged above the nitriding furnace cover body (2), a driving motor (43) is mounted at the end of the winch (42) through screws, a hinge lifting hook (44) is mounted at the bottom of the winch (42), a lifting hook frame (45) is hinged to the bottom end of the hinge lifting hook (44), a positioning lifting plate (46) is arranged right below the lifting hook frame (45), a controller (464) is mounted on the middle of the surface of the positioning lifting plate (46) through screws, four groups of positioning inserting rods (465) are welded at four corners of the surface of the nitriding furnace cover body (2), a contact switch (49) is mounted at the end of the surface of the positioning lifting plate (46) through screws, an electromagnet (47) is mounted at the middle of the lower surface of the positioning lifting plate (46), and a magnetic block (48) is fixed in the middle of the top end of the nitriding furnace cover body (2); the anti-swing lifting assembly (4) further comprises a limit sliding rod (461), a spring IV (462) and a limit stop (463);
A limiting slide rod (461) is fixed on the surface of the positioning hanging plate (46), a spring IV (462) is fixed between the lifting hook frame (45) and the positioning hanging plate (46), a limiting stop (463) is welded at the top end of the limiting slide rod (461), and a positioning slot matched with the positioning inserting rod (465) is formed in the positioning hanging plate (46); the contact switch (49) and the controller (464) are electrically connected with the electromagnet (47), and the electromagnet (47) after being electrified is magnetically connected with the magnetic block (48); the self-locking type walking assembly (3) is arranged on the surface of the base (1), and the self-locking type walking assembly (3) comprises a walking rail (31), a walking wheel (32), a supporting seat (33), a walking motor (34), a supporting column (35), a transverse moving frame (36), a transverse moving rail (37), a transverse moving wheel frame (38), a transverse moving motor (39) and a self-locking piece (310) which are used for driving the nitriding furnace cover body (2) to walk;
The surface welding of base (1) has walking track (31), the surface sliding connection of walking track (31) has walking wheel (32), supporting seat (33) are installed to the top of walking wheel (32), one side screw of supporting seat (33) installs walking motor (34), the surface welding of supporting seat (33) has support column (35), the top welding of support column (35) has sideslip frame (36), the surface bilateral symmetry welding of sideslip frame (36) has sideslip track (37), sideslip wheel carrier (38) are installed to the top of sideslip track (37), sideslip motor (39) are installed to the surface screw of sideslip wheel carrier (38), the inside of base (1) is fixed with auto-lock (310);
The self-locking piece (310) comprises a positioning seat (3101), a positioning hinge shaft (3102), a positioning swinging plate (3103), a first spring (3104), a hanging lug (3105), a collision wheel (3106), a positioning baffle (3107), a positioning frame (3108) and a second spring (3109);
The positioning seat (3101) is fixed in the base (1), a positioning hinge shaft (3102) is fixed in the positioning seat (3101), a positioning swinging plate (3103) is hinged to the surface of the positioning hinge shaft (3102), a first spring (3104) is hooked at the other end of the positioning swinging plate (3103), a hanging lug (3105) is hooked at the other end of the first spring (3104), the hanging lug (3105) is fixed in the positioning seat (3101), a contact wheel (3106) is abutted to the semicircular end of the positioning swinging plate (3103), a positioning baffle rod (3107) is welded at the end of the contact wheel (3106), a positioning frame (3108) is fixed on the surface of the positioning seat (3101), and a second spring (3109) is fixed between the contact wheel (3106) and the positioning frame (3108); a fixing frame (41) is arranged on two sides of the winch (42) through symmetrical screws, and the end of the fixing frame (41) is welded between two groups of transverse moving wheel frames (38); the inside sliding connection of supporting seat (33) has pull rod (331), be fixed with between supporting seat (33) and pull rod (331) spring three (332), the bottom mounting of pull rod (331) has driving lever (333), the motion track of driving lever (333) and the position looks adaptation of location wobble plate (3103).
2. The ion nitriding furnace hood automatic lifting travelling mechanism according to claim 1, wherein: a self-clamping and clamping assembly (5) is arranged between the nitriding furnace cover body (2) and the positioning hanging plate (46), and the self-clamping and clamping assembly (5) comprises a clamp seat (51), a fixed hinge shaft (52), a clamping clamp (53), a fixed lug (54), a fixed plate (55), a bidirectional screw rod (56), a threaded block (57), an avoidance motor (58) and an extrusion arc block (59) which are used for automatically connecting the nitriding furnace cover body (2) and the positioning hanging plate (46);
The four corners of the lower surface of the positioning hanging plate (46) are welded with clamp bases (51), the inner bottom end of each clamp base (51) is fixed with a fixed hinge shaft (52), the surface of each fixed hinge shaft (52) is hinged with two groups of clamping clamps (53) which are arranged in a staggered manner, the surface of the nitriding furnace cover body (2) is welded with fixing lugs (54), two sides of each fixing lug (54) are symmetrically provided with extrusion arc blocks (59), one side of extrusion arc piece (59) is fixed with screw thread piece (57), the inside threaded connection of screw thread piece (57) has two-way lead screw (56), the surface welding of nitriding furnace cover body (2) has fixed plate (55), just two-way lead screw (56) rotate and connect between two sets of fixed plates (55), the surface screw of fixed plate (55) installs dodges motor (58), just the output and the two-way lead screw (56) of dodging motor (58) are connected.
3. The ion nitriding furnace hood automatic lifting travelling mechanism according to claim 2, wherein: the self-clamping assembly (5) further comprises a connecting rod (521), a movable hinge shaft (522), a movable block (523) and a spring five (524);
The clamping clamp is characterized in that connecting rods (521) are hinged at the ends of the clamping clamp (53), movable hinge shafts (522) are hinged at the ends of the two groups of connecting rods (521), movable blocks (523) are fixed at the two ends of each movable hinge shaft (522), and springs five (524) are fixed between the movable blocks (523) and the clamp base (51).
4. The ion nitriding furnace hood automatic lifting traveling mechanism according to claim 3, wherein: the surfaces of the clamping clamp (53) and the extrusion arc block (59) are of arc structures, and the contact switch (49) and the controller (464) are electrically connected with the avoidance motor (58).
Priority Applications (1)
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| CN202410013655.6A CN117509424B (en) | 2024-01-04 | 2024-01-04 | Automatic lifting travelling mechanism of ion nitriding furnace cover |
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| CN202410013655.6A CN117509424B (en) | 2024-01-04 | 2024-01-04 | Automatic lifting travelling mechanism of ion nitriding furnace cover |
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| CN117509424B true CN117509424B (en) | 2024-04-26 |
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| CN117509424A (en) | 2024-02-06 |
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