CN107227397B - Lift by crane transhipment formula big machinery workpiece quenching system - Google Patents
Lift by crane transhipment formula big machinery workpiece quenching system Download PDFInfo
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- CN107227397B CN107227397B CN201710611001.3A CN201710611001A CN107227397B CN 107227397 B CN107227397 B CN 107227397B CN 201710611001 A CN201710611001 A CN 201710611001A CN 107227397 B CN107227397 B CN 107227397B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
Abstract
Lift by crane transhipment formula big machinery workpiece quenching system, including braced frame, quenching bath, recirculated water heat-exchanger tank and the cold water supplementary device being fixed on mill floor, horizontal rotation driving mechanism is provided at the top of braced frame, it rotates horizontally and is provided with support at the top of driving mechanism, being horizontally disposed on support has installation frame, it is provided with a crossbeam along the longitudinal direction in the middle part of installation frame, derricking gear is installed on installation frame；The present invention has rational design, and structure is simple, highly reliable, and 360 ° of progress rotary hoisting operations in workshop, job area is big, and security reliability is strong, shortens workpiece residence time in air, substantially increases quenching quality.Miniature workpiece is placed in a heating furnace by containing frame, is taken out after the completion of heating, derricking gear directly slings splendid attire frame, several miniature workpieces are disposably put into quenching bath and carry out quenching operation, the labor intensity of worker is greatly reduced, improves production efficiency.
Description
Technical field
The present invention relates to a kind of technical field of heat treatment more particularly to a kind of lifting transhipment formula big machinery workpiece quenching systems
System.
Background technique
Quenching is that metal works are heated to a certain proper temperature and are kept for a period of time, is immersed immediately fast in quenching media
The metal heating processing technology of quickly cooling but.The hardness and wearability of metal works can be improved in quenching.Quenching bath is arranged in heating furnace
Side, after the completion of metal works heating process, open fire door, the trolley that will place metal works is released, artificial to use clamping
Or micro metal workpiece is put into the cold water of quenching bath and quenches by hook tool.But for big machinery part, a people
It is just difficult to operate, and since metal works are in the condition of high temperature, worker cannot be leaned on too close, only by two workers or more
Worker cooperate and just can be carried out operation, thus influence the efficiency of quenching operation.Metal works are by heating furnace to quenching
The the time in pond the short more can promote the quality of quenching, therefore, needs in factory a kind of that big machinery part in heating furnace is fast
Speed is transported in quenching bath and is quenched.
In addition, what the quenching bath of existing many factories generally used is all water as cooling medium, workpiece is put into quenching bath
Cool down rapidly afterwards, the water in quenching bath is increased by meeting temperature after the workpiece heat exchange of high temperature, and the recycle stream of the water in quenching bath
Dynamic property is poor, cannot ensure that the water temperature in quenching bath remains within limits, will if being higher than this temperature range
Influence the quenching quality of workpiece, it is therefore desirable to supplement cold water be carried out to quenching pool inner water or carry out quenching pool inner water at cooling
Reason.
Summary of the invention
The present invention provides a kind of shortening workpiece by heating furnace to quenching bath to solve shortcoming in the prior art
The mobility of the water of time, security reliability by force, in raising quenching bath ensures that water temperature keeps essentially constant temperature, sufficiently improves
Formula big machinery workpiece quenching system is transported in the lifting of workpiece quenching quality.
In order to solve the above technical problems, the present invention adopts the following technical scheme: lifting transhipment formula big machinery workpiece quenching
System is set at the top of braced frame including braced frame, quenching bath and the recirculated water heat-exchanger tank being fixed on mill floor
It is equipped with horizontal rotation driving mechanism, rotates horizontally and is provided with support at the top of driving mechanism, being horizontally disposed on support has installation frame,
A crossbeam is provided with along the longitudinal direction in the middle part of installation frame, derricking gear is installed on installation frame, on the left of installation frame and
Right side is respectively arranged with a stand；
Derricking gear includes hoist engine, boom seat, boom, horizontal guide sheave, longitudinally guiding wheel, wedge-shaped cable clamp and suspension hook group
Part, boom seat and boom are all made of heavy wall square steel tube and are made, and boom seat is parallel with crossbeam and passes through two U bolt fixed settings
On crossbeam, boom being threaded through in boom seat and being positioned by two first positioning pin grafting, and the setting of longitudinally guiding wheel is being hung
The left side of boom seat is arranged in arm rear end, horizontal guide sheave, and wedge-shaped cable clamp is arranged on the right side of boom and neighbouring longitudinally guiding wheel,
Hoist engine is fixed at the left side on installation frame, and wirerope is wound on hoist engine, and the drawing end of wirerope sequentially passes through
It is fixed in stand after horizontal guide sheave, longitudinally guiding wheel, hook assembly and wedge-shaped cable clamp by U-shaped cable clamp；
Quenching bath is located on rear side of braced frame, and recirculated water heat-exchanger tank is located on rear side of quenching bath, is loaded in quenching bath cold
But water, bottom is vertically installed with several struts, the horizontally disposed branch for having the lower part in quenching bath in strut upper end in quenching bath
Net is supportted, is provided with heat exchanger coil in recirculated water heat-exchanger tank, the inlet and outlet of heat exchanger coil stretches out recirculated water backward
Heat-exchanger tank, recirculated water heat-exchanger tank are lower than quenching bath, water surface lower section and the recirculated water heat-exchanger tank of the forward upper of quenching bath
It is connected between forward upper by hot water discharge pipe, water circulating pump is provided at the top of recirculated water heat-exchanger tank and is located at water circulating pump
The uniformly distributed tank of front side, the pump mouth of water circulating pump are connected with the drinking-water pipe for extending into bottom rear in recirculated water heat-exchanger tank, follow
The water outlet of ring water pump is connect by circulating water pipe with uniformly distributed tank, and uniformly distributed tank is the columnar structured of horizontal type structure, uniformly distributed tank
Center line is horizontally disposed in left-right direction, is provided with two rows of water inlet pipes on front side of uniformly distributed tank in left-right direction, the outlet of water inlet pipe to
Before extend into above the water surface of quenching bath upper back.
The second positioning pin of Anti-rope drop is used for there are two being arranged on horizontal guide sheave；A use is provided on longitudinally guiding wheel
In the third positioning pin of Anti-rope drop.
Hook assembly includes movable pulley and suspension hook, and movable pulley lower part passes through two the 4th positioning pins for Anti-rope drop and hangs
Hook connects.
Wedge-shaped cable clamp includes U-shaped board, clapboard, positioning pin and the 5th lower positioning pin on the 5th, top, the bottom of U-shaped board
It is fixedly connected with left upper portion and the boom right side of front side opening, U-shaped board, positioning pin is located on the 5th lower positioning pin on the 5th
Square, positioning pin and the 5th lower positioning pin pass through U-shaped board along left and right horizontal direction on the 5th, and positioning pin is apart from U-shaped board on the 5th
The distance of bottom is greater than the 5th lower distance of the positioning pin apart from U-shaped board bottom, clapboard structure with a narrow upper and lower width, before clapboard
Side is contacted with positioning pin on the 5th and the 5th lower positioning pin press, and the rear side of clapboard is pressed by wirerope and U-shaped board bottom
Contact, the trailing flank of clapboard is provided with the anti-skidding form friction pattern closely crimped with wirerope.
Boom front end is connected with a counterweight bucket by a lifting rope, is loaded in counterweight bucket with heavy sand.
Rotating horizontally driving mechanism includes motor reducer, lower support plate, upper support plate, positioning disk and turntable, under
Support flatbed horizontal is fixed at the top of braced frame, and positioning disk and turntable are cirque structure, and positioning disk is arranged under
It supports on plate, turntable covers outside positioning disk, and the internal diameter of turntable and the outer diameter of positioning disk are equal, and positioning disk passes through four equal edges
The lower fastening bolt of vertical direction setting is fixedly connected with lower support plate, and the upper surface of turntable is higher than the upper surface of positioning disk,
Upper support flatbed horizontal is arranged on turntable, and installation frame is fixed on support plate, and turntable is by four along vertical
Histogram is fixedly connected to the upper fastening bolt of setting with upper support plate, is opened between lower support plate upper surface and disk lower surface
Equipped with the upper and lower corresponding support slot in circular ring shape, it is evenly arranged with several in support slot and supports steel ball, on lower support plate
There is gap between surface and disk lower surface；Motor reducer is fixed on front side of braced frame, and motor reducer moves
Power output shaft is arranged vertically upward, and the power output shaft of motor reducer is equipped with gear, and the excircle of turntable is provided with a circle
Gear ring, gear are engaged with gear ring.
The positioning disk external peripheral surface positioning and guiding slot offered in circular ring shape corresponding with inside and outside turntable inner circumferential surface, it is fixed
Several positioning and guiding balls are evenly arranged in the guide groove of position.
The right side inner wall of positioning disk radially offers the mounting hole being connected to positioning and guiding slot, and the outer diameter of mounting hole is greater than
The outer diameter of positioning and guiding ball, mounting hole internal screw thread are connected with closure bolt；When closure bolt is tightened, the right end of bolt is blocked
It flushes and seamlessly transits with the positioning and guiding slot inner wall of positioning disk.
It further include having cold water supplementary device, cold water supplementary device includes being arranged between quenching bath and recirculated water heat-exchanger tank
Water supply pump, the water outlet of water supply pump is connected with a sparge pipe and a pressurization water pipe by a tee pipe coupling, sprays water
The lower section of supporting network is arranged in along the front-rear direction of quenching bath for pipe, and the front end of sparge pipe blocks, and sparge pipe lower part is along its length
Row's hole for water spraying is offered, lower front is provided with mounting rack in uniformly distributed tank, and U-bolt is provided with one on mounting rack and puts down
In the drainage tube of uniformly distributed tank center line, drainage tube left end blocks row, and drainage tube right end stretches out uniformly distributed tank and goes out with pressurization water pipe
Mouth connection, the front side of drainage tube are provided with injection pipe equal and one-to-one with water inlet pipe number, every spray along its length
The jet port for penetrating pipe is corresponding with the import of a water inlet pipe, and the distance between jet port and the water inlet of water inlet pipe of injection pipe are
3-5mm, the internal diameter of the jet port of injection pipe are 2-4mm.
By adopting the above technical scheme, braced frame of the invention is fixed adjacent to quenching bath and heating furnace, braced frame bottom
On mill floor, it is adjustable that boom is plugged in length in boom seat, and is positioned by the first positioning pin grafting, thus may be used
With the position of adjusting lift hook component lifting workpiece.Hoist engine in the present invention moves up and down workpiece for pulling wirerope, puts
Enter on the supporting network into quenching bath, the setting of supporting network can make workpiece bottom that can also obtain good quenching technical, quench
Cheng Houzai hangs out workpiece from quenching bath.Motor reducer in the present invention is for driving derricking gear to revolve at 360 ° of horizontal plane
Turn, to expand the lifting range of boom.Hoist engine and motor reducer can be using wireless remote control control start and stop and speed regulation, also
It can be using wired button operation control start and stop and speed regulation.Wedge-shaped cable clamp is to work as wedge to prevent the fixing end of wirerope from loosening
When shape cable clamp fails, U-shaped cable clamp plays the role of fixed wirerope fixing end.That is wedge-shaped cable clamp and U-shaped cable clamp play
The effect of dual fail-safe.Due to hoist engine be arranged on the left of installation frame, in order to keep the balance of installation frame, make installation frame,
The center of gravity of boom, boom seat and hoist engine is located on the center line of turntable and positioning disk.
The workpiece of water and high temperature in quenching bath carries out heat exchange, and hot water is discharged to circulation by hot water discharge pipe in quenching bath
In hydrothermal exchange pond, hot friendship is carried out with by the cold water of heat exchanger coil by heat exchanger coil in recirculated water heat-exchanger tank
It changes, for the cold water in heat exchanger coil specially by a set of pump and pipeline, the water after the interior heat absorption of heat exchanger coil is the pre- of plant area's boiler
Hot water can reduce the energy consumption of boiler in this way.By the cooling of recirculated water heat-exchanger tank, water circulating pump will be in recirculated water heat-exchanger tank
The cold water of bottom right side is pumped into uniformly distributed tank, then the recycling of two rows of water inlet pipes by connecting on uniformly distributed tank is injected into quenching bath
It is interior.The setting of uniformly distributed tank and two rows of water inlet pipes, the cold water after thermal conversion can be uniformly injected into quenching bath.In quenching technical
During progress, the hot water in quenching bath is flowed into recirculated water heat-exchanger tank after progress heat exchange cooling processing again by self weight
Cycle balance is injected into quenching bath.Certainly in quenching operation process, water evaporation is reduced especially more quenching pool inner water, because
This, bespoke design of the present invention cold water supplementary device, the cold water that water supply pump extracts outside workshop by sparge pipe is injected into quenching
Bottom of pond portion, while cold water passes through pressurization water pipe also as drainage tube water supply, is water inlet by the injection pipe being uniformly arranged on drainage tube
Pipe provides hydraulic pressure, improves the cold water feed rate of water inlet pipe.Cold water supplement sets benefit using arbitrary way one on the other
Water is adapted to the water reduction amount in quenching bath, so that the water level in quenching bath be made to keep constant, is further stablized in quenching bath
Water temperature fluctuates in a certain range, avoids the quality for being reduced to quenching.
Derricking gear can be carried out more by the way of separable assembled according to the workpiece of different size and weight in the present invention
The case where changing, avoiding " low load with strong power, high load with small power " occurs.The specific installation process of derricking gear are as follows: first install boom
Seat and boom: two the first positioning pins on boom seat are taken out, boom is inserted into boom seat, boom is punctured into most short shape
State, i.e., wedge-shaped cable clamp are contacted with boom base rear end；Then boom seat is placed on the crossbeam of installation frame, uses two U-shapeds
Boom seat is fixedly connected by bolt with crossbeam；The wirerope wound on hoist engine is pulled out with a U-shaped cable clamp and is stuck in stand
On, looseness of steel wire ropes is prevented, ultimate insurance is played the role of, wirerope is exited to 4-5 meters from hoist engine, takes out horizontally-guided
Two the first positioning pins on wheel, wirerope is put into the pulley groove of horizontal guide sheave, then two the first positioning pins are loaded onto,
Second positioning pin on longitudinally guiding wheel is then taken out, wirerope is put into the pulley groove of longitudinally guiding wheel, it will be longitudinal
The second positioning pin on directive wheel is reinstalled, then suspension hook is removed, two the 4th taking out positioning pin on movable pulley steel
Cord is put into the race of movable pulley lower part, then suspension hook top is docked with movable pulley lower part, loads onto two the 4th positioning pins, then
By positioning pin on the 5th on wedge-shaped cable clamp and the 5th lower taking out positioning pin, wirerope is put into U-shaped board, it again will be on the 5th
In pin hole on positioning pin and the 5th lower positioning pin insertion U-shaped board, then clapboard is wedged in U-shaped board using hammer, by steel
Cord fastening positioning；Boom is finally pushed out to appropriate length backward from boom seat, the pin hole on boom and boom seat is corresponding
Afterwards, by two first positioning pin insertion positioning, the assembly working of boom is completed at this time.
Derricking gear rotation in the horizontal direction is driven by horizontal rotation driving mechanism, rotates horizontally the tool of driving mechanism
Body running process are as follows: motor reducer band moving gear rotates, the rotation of gear driven gear ring, and it is fixed just to surround with the turntable of gear ring one
Position disc spins, the upper support plate above positioning disk just drive installation frame and derricking gear to rotate.When motor reducer inverts
When, just drive derricking gear reversion.It is also kept when support steel ball in the present invention plays supporting wheel by pressure at right angle good
Rotary state.Since boom is cantilever design, when lifting by crane big machinery workpiece, it can make what is be upturned on front side of turntable to become
Gesture is connected with a counterweight bucket by a lifting rope in boom front end, contains in counterweight bucket to keep the horizontal stability of turntable
Equipped with heavy sand is matched, the workpiece of lifting different weight is adapted to by increasing and decreasing with heavy sand.In addition, when not hanging workpiece, counterweight bucket
Weight can be such that the trend being upturned on rear side of turntable is therefore arranged in positioning disk external peripheral surface and turntable inner circumferential surface
Positioning and guiding ball is arranged in positioning and guiding slot in positioning and guiding slot, while can playing locating turntable in this way and rotate with one heart, also
Locating turntable is played not upwarp.The loading of positioning and guiding ball and taking-up positioning and guiding slot are from the right side inner wall of positioning disk
Mounting hole, the outer diameter of mounting hole is greater than the outer diameter of positioning and guiding ball, in this way convenient for taking out positioning and guiding ball, rotates in turntable
When, mounting hole is blocked by blocking bolt, it is ensured that the security reliability of positioning and guiding ball positioning.Mounting hole can also be passed through
Lubricating oil is added into positioning and guiding slot.
Positioning disk is fixedly mounted on lower support plate using lower fastening bolt, using upper fastening bolt by turntable and upper
Support plate is fixedly connected, this is not only convenient for manufacture positioning disk and turntable, and is easily installed and dismantles.
The present invention has rational design, and structure is simple, highly reliable, 360 ° of progress rotary hoisting operations, operation model in workshop
Enclose big, and security reliability is strong, and the big machinery workpiece in heating furnace is sling and is turned to above quenching bath, then again under
It is put into the medium of quenching bath, shortens workpiece residence time in air, substantially increase quenching quality.The present invention also fits
For miniature workpiece, miniature workpiece is placed in a heating furnace by containing frame, is taken out after the completion of heating, is directly sling splendid attire frame,
Several miniature workpieces are disposably put into quenching bath and carry out quenching operation, the labor intensity of worker is greatly reduced, improves
Production efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram that driving mechanism is rotated horizontally in Fig. 1；
Fig. 3 is the enlarged drawing of derricking gear in Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the enlarged drawing in Fig. 4 at A；
Fig. 6 is the enlarged drawing in Fig. 1 at B.
Specific embodiment
As shown in figs 1 to 6, formula big machinery workpiece quenching system is transported in lifting of the invention, including is fixed at vehicle
Between braced frame 1, quenching bath 42, recirculated water heat-exchanger tank 43 and cold water supplementary device on ground, be arranged at the top of braced frame 1
Have and rotate horizontally driving mechanism 2, rotate horizontally and be provided with support 3 at the top of driving mechanism 2, being horizontally disposed on support 3 has installing frame
Frame 4,4 middle part of installation frame are provided with a crossbeam 5 along the longitudinal direction, are equipped with derricking gear 6, installing frame on installation frame 4
4 left and right side of frame is respectively arranged with a stand 7；Stand 7 is played the role of playing protective fence when installing derricking gear 6.
Derricking gear 6 includes hoist engine 8, boom seat 9, boom 10, horizontal guide sheave 11, longitudinally guiding wheel 12, wedge-shaped rope
Card 13 and hook assembly 14, boom seat 9 and boom 10 are all made of heavy wall square steel tube and are made, and boom seat 9 is parallel with crossbeam 5 and passes through
Two U bolts 15 are fixed on crossbeam 5, and boom 10 is threaded through in boom seat 9 and by two first positioning pins 16
Grafting positioning, longitudinally guiding wheel 12 are arranged in 10 rear end of boom, and the left side of boom seat 9 is arranged in horizontal guide sheave 11, wedge shape
For the setting of cable clamp 13 on 10 right side of boom and adjacent to longitudinally guiding wheel 12, hoist engine 8 is fixed at the left side on installation frame 4,
Wirerope 17 is wound on hoist engine 8, the drawing end of wirerope 17 sequentially passes through horizontal guide sheave 11, longitudinally guiding wheel 12, hangs
It is fixed in stand 7 after hook assembly 14 and wedge-shaped cable clamp 13 by U-shaped cable clamp 41.
Quenching bath 42 is located at 1 rear side of braced frame, and recirculated water heat-exchanger tank 43 is located on rear side of quenching bath 42, in quenching bath 42
It is loaded with cooling water, bottom is vertically installed with several struts 44 in quenching bath 42, and 44 upper end of strut, which is horizontally disposed with to have to be located at, quenches
The supporting network 45 of lower part in fiery pond 42, is provided with heat exchanger coil 46 in recirculated water heat-exchanger tank 43, heat exchanger coil 46 into
Mouthful and outlet stretch out recirculated water heat-exchanger tank 43 backward, recirculated water heat-exchanger tank 43 is lower than quenching bath 42, before quenching bath 42
It is connected between 43 forward upper of recirculated water heat-exchanger tank by hot water discharge pipe 47 below the water surface of upper lateral part, circulating water heating is handed over
It changes and is provided with water circulating pump 49 and the uniformly distributed tank 50 positioned at 49 front side of water circulating pump at the top of pond 43, the pump mouth of water circulating pump 49 connects
It is connected to the drinking-water pipe 59 for extending into bottom rear in recirculated water heat-exchanger tank 43, the water outlet of water circulating pump 49 passes through circulating water pipe
51 connects with uniformly distributed tank 50, and uniformly distributed tank 50 is the columnar structured of horizontal type structure, the center line of uniformly distributed tank 50 water in left-right direction
Flat setting, uniformly distributed 50 front side of tank are provided with two rows of water inlet pipes 52 in left-right direction, and the outlet of water inlet pipe 52 extend into forward quenching
Above the water surface of 42 upper back of pond.
Cold water supplementary device includes the water supply pump 53 being arranged between quenching bath 42 and recirculated water heat-exchanger tank 43, water supply pump
53 water outlet is connected with a sparge pipe 54 and a pressurization water pipe 55 by a tee pipe coupling, and sparge pipe 54 is along quenching
The lower section of supporting network 45 is arranged in the front-rear direction in pond 42, and the front end of sparge pipe 54 blocks, and 54 lower part of sparge pipe is along its length
Row's hole for water spraying is offered, lower front is provided with mounting rack 56 in uniformly distributed tank 50, is arranged on mounting rack 56 by U-bolt 48
There is the drainage tube 57 for being parallel to uniformly distributed 50 center line of tank, 57 left end of drainage tube blocks, and 57 right end of drainage tube stretches out uniformly distributed tank
50 and with pressurization water pipe 55 outlet connect, the front side of drainage tube 57 be provided with along its length it is equal with 52 number of water inlet pipe and
One-to-one injection pipe 58, the jet port of every injection pipe 58 is corresponding with the import of a water inlet pipe 52, the spray of injection pipe 58
The distance between water inlet of loophole and water inlet pipe 52 is 3-5mm, and the internal diameter of the jet port of injection pipe 58 is 2-4mm.
The second positioning pin 18 of Anti-rope drop is used for there are two being arranged on horizontal guide sheave 11；It is provided on longitudinally guiding wheel 12
One is used for the third positioning pin 19 of Anti-rope drop.
Hook assembly 14 includes movable pulley 20 and suspension hook 21, and 20 lower part of movable pulley is determined by two for the 4th of Anti-rope drop
Position pin 22 is connect with suspension hook 21.
Wedge-shaped cable clamp 13 includes positioning pin 25 on U-shaped board 23, clapboard 24, the 5th and the 5th lower positioning pin 26, U-shaped board 23
Top, bottom and front side it is open, be fixedly connected on the right side of the left upper portion and boom 10 of U-shaped board 23, positioning pin 25 on the 5th
Above the 5th lower positioning pin 26, positioning pin 25 and the 5th lower positioning pin 26 pass through U-shaped board along left and right horizontal direction on the 5th
23, on the 5th distance of the positioning pin 25 apart from 23 bottom of U-shaped board be greater than the 5th lower positioning pin 26 apart from 23 bottom of U-shaped board away from
From, the structure with a narrow upper and lower width of clapboard 24, positioning pin 25 and the 5th lower positioning pin 26 are pressed on 24 front side of clapboard and the 5th
Contact, the rear side of clapboard 24 are contacted by wirerope 17 with the press of 23 bottom of U-shaped board, the trailing flank of clapboard 24 be provided with and
The anti-skidding form friction pattern that wirerope 17 closely crimps, anti-skidding form friction pattern can avoid clapboard 24 and skid off U-shaped board 23 upwards.
10 front end of boom is connected with a counterweight bucket 28 by a lifting rope 27, is loaded in counterweight bucket 28 with heavy sand.
Rotating horizontally driving mechanism 2 includes motor reducer 29, lower support plate 30, upper support plate 31, positioning disk 32
With turntable 33, lower 30 level of support plate is fixed at 1 top of braced frame, and positioning disk 32 and turntable 33 are circular ring shape knot
Structure, positioning disk 32 are arranged on lower support plate 30,33 sets of turntable outside positioning disk 32, the internal diameter of turntable 33 and positioning disk 32
Outer diameter it is equal, positioning disk 32 passes through four lower fastening bolts 34 being arranged in vertical and the fixed company of lower support plate 30
It connects, the upper surface of turntable 33 is higher than the upper surface of positioning disk 32, and upper support plate 31 is horizontally set on turntable 33, installation frame
4 are fixed on support plate 31, and turntable 33 passes through four upper fastening bolts 35 being arranged in vertical and upper branch
Support plate 31 is fixedly connected, and is offered between lower 30 upper surface of support plate and 33 lower surface of turntable corresponding in circular ring shape up and down
Support slot, several support steel balls 36, lower 30 upper surface of support plate and 33 lower surface of turntable are evenly arranged in support slot
Between have gap；Motor reducer 29 is fixed at 1 front side of braced frame, and the power output shaft of motor reducer 29 is vertical
It is arranged upward, the power output shaft of motor reducer 29 is equipped with gear 37, and the excircle of turntable 33 is provided with a circle gear ring 38,
Gear 37 is engaged with gear ring 38.
32 external peripheral surface of positioning disk and the corresponding positioning and guiding offered in circular ring shape inside and outside 33 inner circumferential surface of turntable
Slot is evenly arranged with several positioning and guiding balls 39 in positioning and guiding slot.
The right side inner wall of positioning disk 32 radially offers the mounting hole being connected to positioning and guiding slot, and the outer diameter of mounting hole is big
In the outer diameter of positioning and guiding ball 39, mounting hole internal screw thread, which is connected with, blocks bolt 40；When closure bolt 40 is tightened, spiral shell is blocked
The right end of bolt 40 is flushed and is seamlessly transitted with the positioning and guiding slot inner wall of positioning disk 32.
Braced frame 1 of the invention is fixed on mill floor adjacent to quenching bath 42 and heating furnace, 1 bottom of braced frame,
It is adjustable that boom 10 is plugged in length in boom seat 9, and is positioned by 16 grafting of the first positioning pin, thus adjustable to hang
The position of 21 component 14 of hook lifting workpiece.Hoist engine 8 in the present invention moves up and down workpiece for pulling wirerope 17, is put into
Onto the supporting network 45 in quenching bath 42, the setting of supporting network 45 can make workpiece bottom that can also obtain good quenching technical, quench
Workpiece is hung out from quenching bath 42 again after the completion of fire.Motor reducer 29 in the present invention is for driving derricking gear 6 in water
360 ° of plane rotations, to expand the lifting range of boom 10.Hoist engine 8 and motor reducer 29 can use wireless remote control control
Start and stop and speed regulation processed, can also be using wired button operation control start and stop and speed regulation.Wedge-shaped cable clamp 13 is to prevent wirerope
17 fixing end loosens, and when the failure of wedge-shaped cable clamp 13, U-shaped cable clamp 41 plays the role of fixed 17 fixing end of wirerope.Also
It is to say that wedge-shaped cable clamp 13 and U-shaped cable clamp 41 play the role of dual fail-safe.Since the setting of hoist engine 8 is on the left of installation frame 4, in order to
The balance for keeping installation frame 4 makes the center of gravity of installation frame 4, boom 10, boom seat 9 and hoist engine 8 be located at turntable 33 and positioning
On the center line of disk 32.
The workpiece of water and high temperature in quenching bath 42 carries out heat exchange, and hot water passes through 47 row of hot water discharge pipe in quenching bath 42
Into recirculated water heat-exchanger tank 43, passes through heat exchanger coil 46 in recirculated water heat-exchanger tank 43 and pass through heat exchanger coil 46
Cold water carries out heat exchange, and the cold water in heat exchanger coil 46 is specially by a set of pump and pipeline, after the interior heat absorption of heat exchanger coil 46
Water is the preheating water of plant area's boiler, can reduce the energy consumption of boiler in this way.By the cooling of recirculated water heat-exchanger tank 43, water circulating pump
49 are pumped into the cold water of bottom right side in recirculated water heat-exchanger tank 43 in uniformly distributed tank 50, then the two rows by connecting on uniformly distributed tank 50
The recycling of water inlet pipe 52 is injected into quenching bath 42.The setting of uniformly distributed tank 50 and two rows of water inlet pipes 52, can will be after thermal conversion
Cold water is uniformly injected into quenching bath 42.During quenching technical carries out, the hot water in quenching bath 42 is flowed by self weight
It recycles and is uniformly injected into quenching bath 42 after progress heat exchange cooling processing in recirculated water heat-exchanger tank 43.Certain quenching bath 42
In quenching operation process, water evaporation is reduced especially more interior water, and therefore, bespoke design of the present invention cold water supplementary device is cold
Water pump 53 extracts the cold water outside workshop and is injected into 42 bottom of quenching bath by sparge pipe 54, while cold water also passes through pressurization water pipe
55 supply water for drainage tube 57, are that water inlet pipe 52 provides hydraulic pressure by the injection pipe 58 being uniformly arranged on drainage tube 57, improve water inlet
The cold water feed rate of pipe 52.Cold water supplement is set in rate of water make-up and quenching bath 42 using arbitrary way one on the other
Water reduction amount adaptation, so that keeping constant the water level in quenching bath 42 (can be arranged liquid level on the side wall in quenching bath 42
Meter controls the opening and closing of water supply pump 53 by liquidometer), further stablize water temperature in quenching bath 42 and fluctuate in a certain range, keeps away
Exempt from the quality for being reduced to quenching.
Derricking gear 6 can be carried out more by the way of separable assembled according to the workpiece of different size and weight in the present invention
The case where changing, avoiding " low load with strong power, high load with small power " occurs.The specific installation process of derricking gear 6 are as follows: first install boom
Seat 9 and boom 10: two the first positioning pins 16 on boom seat 9 are taken out, boom 10 are inserted into boom seat 9, by boom 10
It is punctured into most short status, i.e., wedge-shaped cable clamp 13 and end in contact after boom seat 9；Then boom seat 9 is placed on to the cross of installation frame 4
On beam 5, boom seat 9 is fixedly connected with crossbeam 5 using two U bolts 15；It will be twined on hoist engine 8 with a U-shaped cable clamp 41
Around wirerope 17 pull out and be stuck in stand 7, prevent wirerope 17 loosen, play the role of ultimate insurance, by wirerope 17
4-5 meters are exited from hoist engine 8, take out two the first positioning pins 16 on horizontal guide sheave 11, wirerope 17 is put into level
In 20 slot of pulley of directive wheel 11, then two the first positioning pins 16 are loaded onto, then takes out one on longitudinally guiding wheel 12
Wirerope 17 is put into 20 slot of pulley of longitudinally guiding wheel 12 by two positioning pins 18, by the second positioning on longitudinally guiding wheel 12
Pin 18 is reinstalled, then two the 4th positioning pins 22 on movable pulley 20 are taken out, and suspension hook 21 is removed, wirerope 17 is put into
In the race of 20 lower part of movable pulley, then 21 top of suspension hook docked with 20 lower part of movable pulley, loads onto two the 4th positioning pins 22, then
Positioning pin 25 on the 5th on wedge-shaped cable clamp 13 and the 5th lower positioning pin 26 are taken out, wirerope 17 is put into U-shaped board 23, weight
Newly positioning pin 25 on the 5th and the 5th lower positioning pin 26 are inserted into the pin hole in U-shaped board 23, then use hammer by clapboard
In 24 wedging U-shaped boards 23, wirerope 17 is fastened and is positioned；Boom 10 is finally pushed out to appropriate length from boom seat 9 backward,
After pin hole on boom 10 and boom seat 9 corresponds to, by two first positioning pins 16 insertion positioning, the group of boom 10 is completed at this time
Fill work.
The rotation in the horizontal direction of derricking gear 6 is driven by horizontal rotation driving mechanism 2, rotates horizontally driving mechanism 2
Specific work process are as follows: motor reducer 29 is rotated with moving gear 37, the rotation of 37 driven gear ring 38 of gear, with the one of gear ring 38
Turntable 33 just rotated around positioning disk 32, the upper support plate 31 of the top of positioning disk 32 just drives installation frame 4 and lifting machine
Structure 6 rotates.When motor reducer 29 inverts, just derricking gear 6 is driven to invert.Support steel ball 36 in the present invention plays support
Also good rotary state is kept when turntable 33 is by pressure at right angle.Since boom 10 is cantilever design, in lifting big machinery
When workpiece, the trend being upturned on front side of turntable 33 can be made, it is logical in 10 front end of boom in order to keep the horizontal stability of turntable 33
It crosses a lifting rope 27 and is connected with a counterweight bucket 28, be loaded in counterweight bucket 28 with heavy sand, adapt to hang with heavy sand by increase and decrease
Fill the workpiece of different weight.In addition, the weight of counterweight bucket 28 can make what is be upturned on rear side of turntable 33 to become when not hanging workpiece
Therefore positioning and guiding slot is arranged, in positioning and guiding slot in gesture in 32 external peripheral surface of positioning disk and 33 inner circumferential surface of turntable
Be arranged positioning and guiding ball 39, can play in this way locating turntable 33 with one heart rotate while, also act as locating turntable 33 and do not upwarp.
The loading of positioning and guiding ball 39 and take out positioning and guiding slot from the mounting hole on the right side inner wall of positioning disk 32, mounting hole
Outer diameter is greater than the outer diameter of positioning and guiding ball 39, in this way convenient for taking out positioning and guiding ball 39, when turntable 33 rotates, passes through envelope
Stifled bolt 40 blocks mounting hole, it is ensured that the security reliability that positioning and guiding ball 39 positions.It can also be by mounting hole to calmly
Lubricating oil is added in the guide groove of position.
Positioning disk 32 is fixedly mounted on lower support plate 30 using lower fastening bolt 34, it will using upper fastening bolt 35
Turntable 33 is fixedly connected with upper support plate 31, this is not only convenient for manufacture positioning disk 32 and turntable 33, and is easily installed and tears open
It unloads.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (7)
1. lifting by crane transhipment formula big machinery workpiece quenching system, it is characterised in that: including the branch being fixed on mill floor
Support frame frame, quenching bath and recirculated water heat-exchanger tank, braced frame top are provided with horizontal rotation driving mechanism, rotate horizontally driving
Support is provided at the top of mechanism, being horizontally disposed on support has installation frame, is provided with one along the longitudinal direction in the middle part of installation frame
Crossbeam is equipped with derricking gear on installation frame, and installation frame left and right side is respectively arranged with a stand；
Derricking gear includes hoist engine, boom seat, boom, horizontal guide sheave, longitudinally guiding wheel, wedge-shaped cable clamp and hook assembly,
Boom seat and boom are all made of heavy wall square steel tube and are made, and boom seat is parallel with crossbeam and is fixed at by two U bolts
On crossbeam, boom being threaded through in boom seat and being positioned by two first positioning pin grafting, and longitudinally guiding wheel is arranged in boom
The left side of boom seat is arranged in rear end, horizontal guide sheave, and wedge-shaped cable clamp is arranged on the right side of boom and neighbouring longitudinally guiding wheel, volume
The machine of raising is fixed at the left side on installation frame, and wirerope is wound on hoist engine, and the drawing end of wirerope sequentially passes through water
It is fixed in stand after flat directive wheel, longitudinally guiding wheel, hook assembly and wedge-shaped cable clamp by U-shaped cable clamp；
Quenching bath is located on rear side of braced frame, and recirculated water heat-exchanger tank is located on rear side of quenching bath, is loaded with cooling water in quenching bath,
Bottom is vertically installed with several struts in quenching bath, and strut upper end is horizontally disposed with the supporting network for having the lower part in quenching bath,
Heat exchanger coil is provided in recirculated water heat-exchanger tank, the inlet and outlet of heat exchanger coil stretches out circulating water heating exchange backward
Pond, recirculated water heat-exchanger tank are lower than quenching bath, below the water surface of the forward upper of quenching bath on front side of recirculated water heat-exchanger tank on
It is connected between portion by hot water discharge pipe, is provided with water circulating pump and on front side of water circulating pump at the top of recirculated water heat-exchanger tank
Uniformly distributed tank, the pump mouth of water circulating pump are connected with the drinking-water pipe for extending into bottom rear in recirculated water heat-exchanger tank, water circulating pump
Water outlet connect by circulating water pipe with uniformly distributed tank, uniformly distributed tank is the columnar structured of horizontal type structure, is evenly distributed with the center line of tank
It is horizontally disposed in left-right direction, is provided with two rows of water inlet pipes in left-right direction on front side of uniformly distributed tank, the outlet of water inlet pipe is protruded into forward
To above the water surface of quenching bath upper back；
Wedge-shaped cable clamp includes U-shaped board, clapboard, positioning pin and the 5th lower positioning pin on the 5th, the top of U-shaped board, bottom and preceding
Side is open, is fixedly connected on the right side of the left upper portion and boom of U-shaped board, and positioning pin is located above the 5th lower positioning pin on the 5th, the
Positioning pin and the 5th lower positioning pin pass through U-shaped board along left and right horizontal direction on five, and positioning pin is apart from U-shaped board bottom on the 5th
Distance is greater than the 5th lower distance of the positioning pin apart from U-shaped board bottom, clapboard structure with a narrow upper and lower width, with the on front side of clapboard
Positioning pin and the 5th lower positioning pin press contact, the rear side of clapboard are contacted by wirerope with the press of U-shaped board bottom on five, wedge
The trailing flank of shape plate is provided with the anti-skidding form friction pattern closely crimped with wirerope；
The second positioning pin of Anti-rope drop is used for there are two being arranged on horizontal guide sheave；One is provided on longitudinally guiding wheel for preventing
The third positioning pin of de- rope.
2. lifting transhipment formula big machinery workpiece quenching system according to claim 1, it is characterised in that: hook assembly packet
Movable pulley and suspension hook are included, movable pulley lower part is connect by two the 4th positioning pins for Anti-rope drop with suspension hook.
3. lifting transhipment formula big machinery workpiece quenching system according to claim 1, it is characterised in that: boom front end is logical
It crosses a lifting rope and is connected with a counterweight bucket, be loaded in counterweight bucket with heavy sand.
4. lifting transhipment formula big machinery workpiece quenching system according to claim 1, it is characterised in that: rotate horizontally and drive
Motivation structure includes motor reducer, lower support plate, upper support plate, positioning disk and turntable, and lower support flatbed horizontal fixation is set
It sets at the top of braced frame, positioning disk and turntable are cirque structure, and positioning disk is arranged on lower support plate, and turntable covers
Outside positioning disk, the internal diameter of turntable and the outer diameter of positioning disk are equal, and positioning disk is arranged in vertical lower tight by four
Fixing bolt is fixedly connected with lower support plate, and the upper surface of turntable is higher than the upper surface of positioning disk, upper support flatbed horizontal setting
On turntable, installation frame is fixed on support plate, and turntable passes through four upper fastenings being arranged in vertical
Bolt is fixedly connected with upper support plate, is offered between lower support plate upper surface and disk lower surface corresponding in circle up and down
The support slot of annular, is evenly arranged with several support steel balls in support slot, lower support plate upper surface and disk lower surface it
Between have gap；Motor reducer is fixed on front side of braced frame, and the power output shaft of motor reducer is set vertically upward
It sets, the power output shaft of motor reducer is equipped with gear, and the excircle of turntable is provided with a circle gear ring, and gear is nibbled with gear ring
It closes.
5. lifting transhipment formula big machinery workpiece quenching system according to claim 4, it is characterised in that: positioning disk outer circle
The perimeter surface positioning and guiding slot offered in circular ring shape corresponding with inside and outside turntable inner circumferential surface is uniformly arranged in positioning and guiding slot
There are several positioning and guiding balls.
6. lifting transhipment formula big machinery workpiece quenching system according to claim 5, it is characterised in that: the right side of positioning disk
Side inner wall radially offers the mounting hole being connected to positioning and guiding slot, and the outer diameter of mounting hole is greater than the outer of positioning and guiding ball
Diameter, mounting hole internal screw thread are connected with closure bolt；When closure bolt is tightened, the positioning for blocking the right end and positioning disk of bolt is led
It flushes and seamlessly transits to slot inner wall.
7. lifting transhipment formula big machinery workpiece quenching system according to claim 6, it is characterised in that: further include have it is cold
Water supplementary device, cold water supplementary device include the water supply pump being arranged between quenching bath and recirculated water heat-exchanger tank, water supply pump
Water outlet is connected with a sparge pipe and a pressurization water pipe by a tee pipe coupling, and sparge pipe is along the front and back of quenching bath
To the lower section that supporting network is arranged in, the front end of sparge pipe is blocked, and sparge pipe lower part offers row's hole for water spraying along its length,
Lower front is provided with mounting rack in cloth tank, and U-bolt is provided with one on mounting rack and is parallel to uniformly distributed tank center line
Drainage tube, drainage tube left end block, and drainage tube right end stretches out uniformly distributed tank and connect with the outlet of pressurization water pipe, the front side of drainage tube
Be provided with injection pipe equal and one-to-one with water inlet pipe number along its length, the jet port of every injection pipe and one into
The import of water pipe is corresponding, and the distance between jet port and the water inlet of water inlet pipe of injection pipe are 3-5mm, the jet port of injection pipe
Internal diameter be 2-4mm.
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| CN107723419A (en) * | 2017-11-10 | 2018-02-23 | 江苏亚星锚链股份有限公司 | A kind of forged hardening method of shackle peculiar to vessel |
| CN107988478B (en) * | 2017-11-30 | 2023-06-16 | 振宏重工(江苏)股份有限公司 | Frock is used in quenching of wind-powered electricity generation main shaft |
| CN109112272B (en) * | 2018-10-29 | 2020-03-17 | 盐城诺维特机电科技有限公司 | Quenching device convenient for clamping and quenching hardware material |
| CN110257606B (en) * | 2019-07-26 | 2020-09-25 | 重庆齿轮箱有限责任公司 | Automatic rotating device for integral quenching of parts |
| CN111004899A (en) * | 2019-10-30 | 2020-04-14 | 上海众环激光科技有限公司 | Four-jaw chuck jaw surface quenching equipment and quenching process thereof |
| CN111944956B (en) * | 2020-08-06 | 2022-07-05 | 陈丹 | Heat treatment tool convenient for workpiece collection |
| CN113560548B (en) * | 2021-09-28 | 2021-11-26 | 江苏竣昌科技有限公司 | Cooler for casting rail fittings |
| CN116287654A (en) * | 2023-04-24 | 2023-06-23 | 山西富兴通重型环锻件有限公司 | Wind-powered electricity generation flange ring cooling arrangement |
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| CN207047282U (en) * | 2017-07-25 | 2018-02-27 | 黄河科技学院 | Lift by crane transhipment formula big machinery workpiece quenching system |
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| CN1733945B (en) * | 2005-09-01 | 2010-05-26 | 中原工学院 | Quantized quenching apparatus in metal heat treatment and the quantized quenching method using same |
| CN102050399B (en) * | 2010-12-30 | 2013-01-23 | 杨永东 | Metallurgical quenching crane |
| CN106495024A (en) * | 2016-12-14 | 2017-03-15 | 中航飞机股份有限公司西安飞机分公司 | A kind of rotation and lifting conveying arrangement and using method |
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