CN116516124B - Induction hardening equipment of hydraulic excavator guide pulley - Google Patents
Induction hardening equipment of hydraulic excavator guide pulley Download PDFInfo
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- CN116516124B CN116516124B CN202310761315.7A CN202310761315A CN116516124B CN 116516124 B CN116516124 B CN 116516124B CN 202310761315 A CN202310761315 A CN 202310761315A CN 116516124 B CN116516124 B CN 116516124B
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- 230000006698 induction Effects 0.000 title claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 51
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000010791 quenching Methods 0.000 abstract description 36
- 230000000171 quenching effect Effects 0.000 abstract description 35
- 239000003517 fume Substances 0.000 abstract description 7
- 238000005192 partition Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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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
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/34—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses an induction quenching device for a guide wheel of a hydraulic excavator, which relates to the technical field of machining and comprises a supporting seat, wherein a cooling mechanism is arranged in the middle of the top end of the supporting seat, a positioning mechanism is arranged at the top end of the cooling mechanism, and a purifying mechanism is arranged at the top end of a protective cover. The cooling mechanism on the supporting seat is matched with the purifying mechanism on the protective cover, the transmission gear meshed with the first rack is meshed with the second rack on the circular protective cover, the movable column connected with the placing table is connected with the first electric hydraulic cylinder, the partition plate is arranged between the partition plate and the purifying box, the air guide hopper connected with the purifying box is connected with the exhaust fan, the induction quenching device has a protection function, when the guide wheel descends and cools, the circular protective cover is lifted, and meanwhile, the air in the protective cover is extracted, so that splashing quenching oil can be blocked, the pollution to equipment is avoided, resources are saved, the oil fume generated during purification quenching is extracted, the pollution to the environment is avoided, and the equipment is safer to use.
Description
Technical Field
The invention relates to the technical field of machining, in particular to an induction quenching device for a guide wheel of a hydraulic excavator.
Background
Hydraulic excavators are one of the important components of a walking part for excavating as a multifunctional machine, and a guide wheel thereof. The guide wheel needs to bear the whole weight of the excavator, and in order to ensure that the guide wheel has higher strength, a quenching device is needed to quench the guide wheel during the processing of the guide wheel.
For this purpose, the grant bulletin number isCN104109739BThe invention discloses a novel induction quenching device of a guide wheel of a hydraulic excavator, which comprises a heating unit, a profiling sensor, a positioning device and a lifting mechanism, wherein the profiling sensor is connected with the heating unit through a feeding mechanism and consists of an upper semi-ring sensor and a lower semi-ring sensor respectively, the positioning device and the lifting mechanism are arranged into a split structure, and the lifting mechanism is arranged in a cooling system; the invention has simple structure and convenient operation, and only one full-loop inductor is transformed into two full-loop inductorsThe semi-ring inductor maintains the characteristics of high efficiency and good economy of the original scheme, and most importantly, a material turning mechanism is not needed, so that the complexity of equipment and the material turning waiting time are reduced; the deformation problem of the web and the hub caused by two times of quenching is not needed to be considered in the design, so that the time is saved and the production efficiency is improved.
However, the induction hardening apparatus of the above patent has some problems:
1. the induction quenching device in the above patent does not have a protection function, when the quenching device is used for quenching the guide wheel, the guide wheel is immersed in quenching oil for quenching treatment after being heated at a high temperature, because the guide wheel is higher in temperature, when the guide wheel is immersed in the quenching oil, the quenching oil is easily influenced by the high temperature to generate boiling and splashing, so that equipment is polluted, potential safety hazards are generated, the quenching oil is wasted, oil fume is generated when the guide wheel is immersed in the quenching oil at a high temperature of Wen Daolun, environmental pollution is caused, and personnel discomfort is caused.
2. The induction quenching device in the patent does not have a compacting function, and when the guide wheel is quenched, if the guide wheel is unstable in fixation, a more severe reaction can be generated in immersion quenching oil, so that the use of personnel is influenced, the quenching process is slowed down, and the quenching efficiency is reduced.
Disclosure of Invention
In order to solve the problems, the invention provides an induction quenching device of a guide wheel of a hydraulic excavator, which comprises a supporting seat, wherein a cooling mechanism is arranged in the middle of the top end of the supporting seat, a positioning mechanism is arranged at the top end of the cooling mechanism, the side of the top end of the supporting seat is fixedly connected with the side of the bottom end of a protective cover, a purifying mechanism is arranged at the top end of the protective cover, a heating mechanism is arranged in the protective cover, and a sealing door is hinged to one side of the protective cover through a hinge;
the cooling mechanism comprises a cooling box, a movable column is sleeved in a sealing sleeve arranged in the middle of the bottom end of the cooling box, the bottom end of the movable column is fixedly connected with the output end of a first electric hydraulic cylinder, a placing table is fixedly arranged at the top end of the movable column, first racks are fixedly arranged on two sides of the placing table, supporting lugs are fixedly arranged on two sides of the bottom end of the inner wall of the cooling box, one side of each supporting lug is rotationally connected with a transmission gear, one side of each first rack is meshed with one side of a corresponding transmission gear, the other side of each transmission gear is meshed with a second rack, and one sides of the two second racks are fixedly connected with two sides of the inner wall of the circular protection cover respectively;
the positioning mechanism comprises a connecting cylinder, a threaded column is fixedly arranged at the bottom end of the inner wall of the connecting cylinder, a plurality of movable openings which are uniformly distributed are formed in the outer wall of the connecting cylinder, a movable rod is rotatably connected in each movable opening through a pin shaft, a pressing block is fixedly arranged at the top of one side of each movable rod, a reset spring is fixedly arranged at the bottom of the other side of each movable rod, and one ends of the reset springs are fixedly connected with the surface of the threaded column;
the top of connecting cylinder inner wall alternates and is equipped with movable sleeve, the inner wall of movable sleeve alternates with the middle part of screw thread post outer wall and is connected, the outer wall of movable sleeve is fixed to be equipped with a plurality of evenly distributed's drive piece, every the outer wall of drive piece all alternates with the top of corresponding movable opening inner wall and is connected, and one side of every drive piece all inlays and is equipped with a plurality of evenly distributed's ball, the top threaded connection of screw thread post outer wall has the screw thread cover, the top of screw thread cover is fixed to be equipped with the connection handle.
In an example, the disassembling plate is installed through the bolt to one side of supporting seat, and the bottom mounting of supporting seat inner wall is equipped with the liquid reserve tank, the circulating pump is all installed to the both sides on liquid reserve tank top, the both sides of cooling tank all are fixed intercommunication has the catheter, one of them the one end of catheter and the liquid outlet end fixed intercommunication of one of them circulating pump, another the one end of catheter and the liquid inlet end fixed intercommunication of another circulating pump.
In one example, the outer wall of the liquid suction pipe arranged at the liquid inlet end of one circulating pump is fixedly connected with a connecting hole formed in one side of the surface of the liquid storage tank, the liquid outlet end of the other circulating pump is fixedly communicated with the liquid inlet hole formed in the other side of the surface of the liquid storage tank, and two limiting strips are fixedly arranged on two sides of the circular protective cover and are respectively in sliding connection with limiting grooves formed in two sides of the inner wall of the cooling tank.
In an example, purifying mechanism includes the cooling tank, the trompil that the surface of cooling tank top was seted up and the middle part fixed intercommunication of intake pipe outer wall, the fixed intercommunication in one side on cooling tank top has the breather pipe, the fixed intercommunication in one end of breather pipe has the purifying box, the fixed a plurality of evenly distributed's of being equipped with in top of purifying box inner wall supporting the net frame, every all alternate in the supporting net frame and be equipped with the activated carbon honeycomb panel, the fixed division board that is equipped with in bottom of purifying box inner wall, the fixed division board that is equipped with a plurality of upper and lower distributions between division board and the purifying box, the fixed intercommunication in bottom of one department of purifying box has the air guide hopper, the one end of air guide hopper is fixed intercommunication with the air inlet end of air exhauster, the fixed intercommunication in the opposite side on cooling tank top has the control valve, the fixed intercommunication in top of control valve has the liquid feeding fill, the ventilation trompil has been seted up to one side of division board bottom.
In one example, the heating mechanism comprises a second electric hydraulic cylinder, the second electric hydraulic cylinder is installed in the middle of the top end of the protective cover, a movable frame is fixedly arranged at the output end of the second electric hydraulic cylinder, two limit sliding blocks are fixedly arranged on two sides of the movable frame, two limit sliding grooves are formed in two sides of the inner wall of the protective cover, and each limit sliding groove is internally and slidably connected with a limit sliding block.
In an example, the middle part of fly frame inner wall is fixed and is equipped with thermal-insulated box, the mid-mounting on thermal-insulated box top has high frequency induction heater, induction coil is installed to high frequency induction heater one side, the both sides of thermal-insulated box bottom are all fixed and are equipped with the support frame, two the one end of support frame respectively with induction coil's both sides fixed connection, the fixed intercommunication of a corner department on thermal-insulated box top liquid filling port threaded connection has the sealing cap, and the fixed intercommunication in one side of thermal-insulated box has the flowing back valve.
In an example, the fixed switch panel that is equipped with in one side of supporting seat, switch panel's fixed surface is equipped with two circulating pump switches, two circulating pump respectively through two circulating pump switches and external power supply electric connection, switch panel's surface still is equipped with first pneumatic cylinder switch, air exhauster switch, second electronic pneumatic cylinder switch, first electronic pneumatic cylinder, air exhauster and second electronic pneumatic cylinder are respectively through first pneumatic cylinder switch, air exhauster switch, second electronic pneumatic cylinder switch and external power supply electric connection.
The induction hardening device for the guide wheel of the hydraulic excavator provided by the invention has the following beneficial effects:
1. this induction hardening device of hydraulic excavator guide pulley, the cooling body on the supporting seat cooperates with the purification mechanism on the guard hood, place the first rack and the drive gear meshing that the platform is connected, drive gear and the second rack meshing on the circular guard hood, place the movable column that the platform is connected and be connected with first electronic pneumatic cylinder, the breather pipe on the cooling tank is connected with the purifying box, be equipped with the division board between division board and the purifying box, the air guide bucket that the purifying box is connected with the air exhauster, can make this induction hardening device have safeguard function, when the guide pulley descends the cooling, circular guard hood rises, the inside air of extraction protection casing simultaneously, can block the quenching oil that splashes, avoid the pollution to equipment, resources are saved, and the oil smoke that produces when the extraction purifies quenching, avoid causing the pollution to the environment, equipment use is safer.
2. This induction hardening device of hydraulic excavator guide pulley is equipped with the supporting mesh frame through cooling tank and intake-tube connection in the purifying box of breather pipe connection, alternates in the supporting mesh frame and is equipped with the activated carbon honeycomb board, is equipped with the division board between division board and the purifying box, when the extraction oil smoke purifies, reduces the air velocity of flow, guarantees that the activated carbon honeycomb board is more thorough to the oil smoke absorption, and purifying effect is better, uses more environmental protection.
3. The induction quenching device for the guide wheel of the hydraulic excavator is characterized in that a positioning mechanism is arranged on the cooling mechanism, a threaded column connected with a connecting cylinder is connected with a movable sleeve in a penetrating mode, a ball is embedded on a driving block connected with the movable sleeve, a movable rod is rotationally connected with a movable opening formed in the connecting cylinder, a reset spring connected with the movable rod is connected with the threaded column, the threaded column is in threaded connection with a threaded sleeve, and before the guide wheel is quenched, the guide wheel is compressed from an inner hole of the guide wheel through the positioning mechanism, so that the guide wheel is fixed more firmly, the operation of personnel is facilitated, the quenching process is guaranteed, and the quenching efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a connection structure between a support base and a cooling mechanism according to the present invention;
FIG. 3 is a schematic view of the internal structure of the support base of the present invention;
FIG. 4 is a schematic view of a positioning mechanism according to the present invention;
FIG. 5 is a schematic view of the internal structure of the connecting cylinder of the present invention;
FIG. 6 is a schematic view of the connection structure of the shield of the present invention;
FIG. 7 is a schematic view showing the internal structure of the purifying box of the present invention;
fig. 8 is a schematic diagram of a connection structure of the movable frame of the present invention.
In the figure: 1. a support base; 2. a cooling mechanism; 201. a cooling box; 202. a placement table; 203. a circular protective cover; 204. a catheter; 205. a liquid storage tank; 206. a circulation pump; 207. a liquid suction pipe; 208. a first electro-hydraulic cylinder; 209. a movable column; 210. a first rack; 211. a transmission gear; 212. a second rack; 213. a limit bar; 3. a positioning mechanism; 301. a connecting cylinder; 302. a threaded column; 303. a movable rod; 304. briquetting; 305. a movable sleeve; 306. a driving block; 307. a thread sleeve; 308. a connecting handle; 309. a ball; 310. a return spring; 4. a protective cover; 5. a purifying mechanism; 501. a cooling tank; 502. an air inlet pipe; 503. a liquid adding hopper; 504. a vent pipe; 505. a purifying box; 506. an air guide hopper; 507. an exhaust fan; 508. supporting a net frame; 509. an activated carbon honeycomb plate; 510. a partition plate; 511. a partition plate; 6. a heating mechanism; 601. a second electro-hydraulic cylinder; 602. a movable frame; 603. a limit sliding block; 604. a heat insulation box; 605. a liquid discharge valve; 606. a high-frequency induction heater; 607. an induction coil; 7. sealing the door; 8. and (5) disassembling the plate.
Detailed Description
In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
As shown in fig. 1 to 8, an embodiment of the invention provides an induction quenching device for a guide wheel of a hydraulic excavator, which comprises a supporting seat 1, wherein a cooling mechanism 2 is arranged in the middle of the top end of the supporting seat 1, a positioning mechanism 3 is arranged at the top end of the cooling mechanism 2, the side of the top end of the supporting seat 1 is fixedly connected with the side of the bottom end of a protective cover 4, a purifying mechanism 5 is arranged at the top end of the protective cover 4, a heating mechanism 6 is arranged in the protective cover 4, and a sealing door 7 is hinged on one side of the protective cover 4 through a hinge;
the cooling mechanism 2 comprises a cooling box 201, a movable column 209 is sleeved in a sealing sleeve arranged in the middle of the bottom end of the cooling box 201, the bottom end of the movable column 209 is fixedly connected with the output end of a first electric hydraulic cylinder 208, a placing table 202 is fixedly arranged at the top end of the movable column 209, first racks 210 are fixedly arranged at the two sides of the top end of the placing table 202, supporting lugs are fixedly arranged at the two sides of the bottom end of the inner wall of the cooling box 201, one side of each supporting lug is rotationally connected with a transmission gear 211, one side of each first rack 210 is meshed with one side of the corresponding transmission gear 211, the other side of each transmission gear 211 is meshed with a second rack 212, one side of each second rack 212 is fixedly connected with the two sides of the inner wall of a circular protection cover 203 respectively, one side of the supporting seat 1 is provided with a disassembling plate 8 through bolts, a liquid storage box 205 is fixedly arranged at the bottom end of the inner wall of the supporting seat 1, circulating pumps 206 are respectively arranged at the two sides of the top end of the liquid storage box 205, liquid pipes 204 are fixedly communicated with liquid outlet ends of one of the circulating pumps 206, one end of the liquid guide 204 is fixedly communicated with liquid outlet ends of the other circulating pumps 206, one side of the liquid guide pipes 204 is fixedly communicated with liquid inlet ends of the other side of the circulating pumps 206, one side of the two side surfaces of the circulating pumps 206 is fixedly connected with the two side surfaces of the two side of the circular protection covers 213 are fixedly connected with the liquid inlet pipes 213 of the two side of the inner walls of the circular protection covers 203 respectively, and the two side surfaces of the circulating pumps are fixedly connected with the liquid inlet pipes 213 are respectively;
the purifying mechanism 5 comprises a cooling tank 501, an opening formed in the surface of the top end of the cooling tank 501 is fixedly communicated with the middle of the outer wall of an air inlet pipe 502, one side of the top end of the cooling tank 501 is fixedly communicated with an air pipe 504, one end of the air pipe 504 is fixedly communicated with a purifying tank 505, the top of the inner wall of the purifying tank 505 is fixedly provided with a plurality of uniformly distributed supporting net frames 508, each supporting net frame 508 is internally and alternately provided with an active carbon honeycomb plate 509, the bottom of the inner wall of the purifying tank 505 is fixedly provided with a separation plate 510, a plurality of separation plates 511 which are vertically distributed are fixedly arranged between the separation plate 510 and the purifying tank 505, one bottom of one position of the purifying tank 505 is fixedly communicated with an air guide hopper 506, one end of the air guide hopper 506 is fixedly communicated with the air inlet end of an exhaust fan 507, the other side of the top end of the cooling tank 501 is fixedly communicated with a control valve, the top end of the control valve is fixedly communicated with a liquid adding hopper 503, and one side of the bottom end of the separation plate 510 is provided with an air vent hole.
The positioning mechanism 3 comprises a connecting cylinder 301, a threaded column 302 is fixedly arranged at the bottom end of the inner wall of the connecting cylinder 301, a plurality of uniformly distributed movable openings are formed in the outer wall of the connecting cylinder 301, movable rods 303 are connected in each movable opening in a rotating mode through pin shafts, pressing blocks 304 are fixedly arranged at the top of one side of each movable rod 303, return springs 310 are fixedly arranged at the bottom of the other side of each movable rod 303, one ends of the plurality of return springs 310 are fixedly connected with the surface of the threaded column 302, movable sleeves 305 are inserted into the top of the inner wall of the connecting cylinder 301, the inner wall of the movable sleeves 305 are inserted into the middle of the outer wall of the threaded column 302, a plurality of uniformly distributed driving blocks 306 are fixedly arranged on the outer wall of the movable sleeves 305, a plurality of uniformly distributed balls 309 are inserted into the top of the inner wall of the corresponding movable openings, a threaded sleeve 307 is connected to the top of the outer wall of the threaded column 302 in a threaded manner, and a connecting handle 308 is fixedly arranged at the top of the threaded sleeve 307.
The heating mechanism 6 includes the second electric hydraulic cylinder 601, the middle part on protection casing 4 top is installed to the second electric hydraulic cylinder 601, the fixed movable frame 602 that is equipped with in output of second electric hydraulic cylinder 601, two limit slide 603 all are fixed in the both sides of movable frame 602, two limit slide ways have all been seted up to the both sides of protection casing 4 inner wall, equal sliding connection has limit slide 603 in every limit slide way, the fixed thermal-insulated box 604 that is equipped with in middle part on movable frame 602 inner wall, the mid-mounting on thermal-insulated box 604 top has high frequency induction heater 606, induction coil 607 is installed to high frequency induction heater 606 one side, the both sides of thermal-insulated box 604 bottom are all fixed and are equipped with the support frame, the one end of two support frames respectively with the both sides fixed connection of induction coil 607, the liquid feeding mouth threaded connection of a corner fixed intercommunication in thermal-insulated box 604 top has the sealing cap, and one side fixed intercommunication of thermal-insulated box 604 has the flowing back valve 605, the fixed switch panel that is equipped with in one side of supporting seat 1, the fixed surface of switch panel is equipped with two circulating pump switches, two circulating pump 206 respectively pass through two circulating pump switches and external power supply electric connection, the surface of switch panel still is equipped with first switch, electric exhaust fan 208, electric exhaust fan and second hydraulic cylinder 601 are connected with the electric hydraulic cylinder respectively.
Working principle: when the quenching device is used, a person sleeves an inner hole of a guide wheel on the positioning mechanism 3, rotates the threaded sleeve 307 through the connecting handle 308, the threaded sleeve 307 rotates on the threaded column 302 to move downwards to act on the movable sleeve 305, the movable sleeve 305 moves downwards to enable the balls 309 on the driving block 306 to act on the movable rod 303, the movable rod 303 rotates outwards in the movable opening, at the moment, the movable rod 303 pulls the reset spring 310 to extend, the pressing block 304 on the movable rod 303 acts on the inside of the guide wheel, and the guide wheel is fixed from a plurality of points;
at this time, the second electro-hydraulic cylinder 601 in the heating mechanism 6 drives the movable frame 602 to move downwards, at this time, the induction coil 607 is sleeved on the guide wheel, the high-frequency induction heater 606 works, so that the induction coil 607 heats the guide wheel, then one of the circulating pumps 206 in the cooling mechanism 2 works to pump quenching oil in the liquid storage tank 205 into the cooling tank 201, the first electro-hydraulic cylinder 208 shortens and drives the movable column 209 to move downwards, the movable column 209 drives the placing table 202 to move downwards, at this time, the placing table 202 moves downwards to drive the first rack 210, the first rack 210 acts as the transmission gear 211, the transmission gear 211 acts as the second rack 212, so that the circular protective cover 203 can be lifted, and then is protected during quenching, and after quenching is finished, the other circulating pump 206 pumps the quenching oil back into the liquid storage tank 205;
when quenching, the hinged sealing door 7 of the protective cover 4 is in a closed state, the exhaust fan 507 in the purifying mechanism 5 works, so that oil fume generated by quenching in the protective cover 4 is extracted, the air-carried oil fume enters the cooling tank 501 through the air inlet pipe 502, cooling liquid in the cooling tank 501 can cool the air, the air-carried oil fume enters the purifying box 505, and after sequentially passing through the activated carbon honeycomb plates 509 in the supporting net frame 508, the air-carried oil fume enters between the purifying box 505 and the partition plate 510, and the air flow rate can be reduced by the plurality of partition plates 511 arranged up and down, so that the oil fume is purified more thoroughly.
Claims (7)
1. The utility model provides an induction hardening device of hydraulic excavator guide pulley, includes supporting seat (1), the middle part on supporting seat (1) top is provided with cooling body (2), the top of cooling body (2) is provided with positioning mechanism (3), the avris on supporting seat (1) top and the avris fixed connection of protection casing (4) bottom, the top of protection casing (4) is provided with purifying mechanism (5), and is provided with heating mechanism (6) in protection casing (4), and one side of protection casing (4) has sealing door (7) through the hinge is articulated, its characterized in that:
the cooling mechanism (2) comprises a cooling box (201), a movable column (209) is sleeved in a sealing sleeve arranged in the middle of the bottom end of the cooling box (201), the bottom end of the movable column (209) is fixedly connected with the output end of a first electric hydraulic cylinder (208), a placing table (202) is fixedly arranged at the top end of the movable column (209), first racks (210) are fixedly arranged on two sides of the placing table (202), supporting lugs are fixedly arranged on two sides of the bottom end of the inner wall of the cooling box (201), one side of each supporting lug is rotatably connected with a transmission gear (211), one side of each first rack (210) is meshed with one side of a corresponding transmission gear (211), the other side of each transmission gear (211) is meshed with a second rack (212), and one sides of the two second racks (212) are fixedly connected with two sides of the inner wall of a circular protection cover (203) respectively;
the positioning mechanism (3) comprises a connecting cylinder (301), a threaded column (302) is fixedly arranged at the bottom end of the inner wall of the connecting cylinder (301), a plurality of uniformly distributed movable openings are formed in the outer wall of the connecting cylinder (301), movable rods (303) are rotatably connected in each movable opening through pin shafts, pressing blocks (304) are fixedly arranged at the top of one side of each movable rod (303), return springs (310) are fixedly arranged at the bottom of the other side of each movable rod (303), and one ends of the return springs (310) are fixedly connected with the surfaces of the threaded columns (302);
the top of connecting cylinder (301) inner wall alternates and is equipped with movable sleeve (305), the inner wall of movable sleeve (305) alternates with the middle part of screw thread post (302) outer wall and is connected, the outer wall of movable sleeve (305) is fixed to be equipped with a plurality of evenly distributed's drive piece (306), every the outer wall of drive piece (306) all alternates with the top of corresponding movable opening inner wall and is connected, and one side of every drive piece (306) all inlays and is equipped with a plurality of evenly distributed's ball (309), the top threaded connection of screw thread post (302) outer wall has screw thread cover (307), the top of screw thread cover (307) is fixed to be equipped with connection handle (308).
2. The induction hardening apparatus of a hydraulic excavator guide pulley of claim 1, wherein: one side of supporting seat (1) is installed through the bolt and is torn open board (8), and the bottom mounting of supporting seat (1) inner wall is equipped with liquid reserve tank (205), circulating pump (206) are all installed on both sides on liquid reserve tank (205) top, the both sides of cooling tank (201) all are fixed intercommunication have catheter (204), one of them one end of catheter (204) and the play liquid end fixed intercommunication of one of them circulating pump (206), another the one end of catheter (204) and the feed liquor end fixed intercommunication of another circulating pump (206).
3. The induction hardening apparatus of a hydraulic excavator guide pulley of claim 2, wherein: one of them the outer wall of drawing liquid pipe (207) that feed liquor end that circulating pump (206) was equipped with is fixed connection with the connecting hole that one side of liquid reserve tank (205) surface was seted up, another the liquid outlet end of circulating pump (206) is fixed intercommunication with the feed liquor hole that the opposite side of liquid reserve tank (205) surface was seted up, limit strip (213) are fixed to both sides of circular protection casing (203), two limit strip (213) are respectively with the spacing groove sliding connection that the both sides of cooling tank (201) inner wall were seted up.
4. The induction hardening apparatus of a hydraulic excavator guide pulley of claim 1, wherein: the utility model provides a purifying mechanism (5) including cooling jar (501), trompil and the middle part fixed intercommunication of intake pipe (502) outer wall that the surface on cooling jar (501) top was seted up, the fixed intercommunication in one side on cooling jar (501) top has breather pipe (504), the fixed intercommunication in one end of breather pipe (504) has purifying box (505), the fixed supporting network frame (508) that are equipped with a plurality of evenly distributed in top of purifying box (505) inner wall, every all alternate in supporting network frame (508) is equipped with active carbon honeycomb board (509), the fixed division board (510) that are equipped with in bottom of purifying box (505) inner wall, be equipped with division board (511) that distribute from top to bottom between division board (510) and purifying box (505), the fixed intercommunication in bottom of one department of purifying box (505) has air guide funnel (506), the fixed intercommunication in one end and the air inlet end of air exhauster (507) of air guide funnel (506), the fixed intercommunication in opposite side on cooling jar (501) top has the control valve, the fixed intercommunication of control valve has division board (510), division board (510) that the bottom of opening one side was seted up.
5. The induction hardening apparatus of a hydraulic excavator guide wheel of claim 3, wherein: the heating mechanism (6) comprises a second electric hydraulic cylinder (601), the second electric hydraulic cylinder (601) is arranged in the middle of the top end of the protective cover (4), a movable frame (602) is fixedly arranged at the output end of the second electric hydraulic cylinder (601), two limit sliding blocks (603) are fixedly arranged on two sides of the movable frame (602), two limit sliding grooves are formed in two sides of the inner wall of the protective cover (4), and each limit sliding groove is internally provided with a limit sliding block (603) in a sliding manner.
6. The induction hardening apparatus for a hydraulic excavator guide pulley of claim 5 wherein: the middle part of movable frame (602) inner wall is fixed and is equipped with thermal-insulated box (604), mid-mounting on thermal-insulated box (604) top has high frequency induction heater (606), induction coil (607) are installed to high frequency induction heater (606) one side, the both sides of thermal-insulated box (604) bottom are all fixed and are equipped with the support frame, two the one end of support frame respectively with the both sides fixed connection of induction coil (607), the liquid filling port threaded connection of a fixed intercommunication in corner on thermal-insulated box (604) top has the sealing cap, and the fixed intercommunication in one side of thermal-insulated box (604) has flowing back valve (605).
7. The induction hardening apparatus for a hydraulic excavator guide pulley of claim 5 wherein: one side of supporting seat (1) is fixed and is equipped with switch panel, switch panel's fixed surface is equipped with two circulating pump switches, two circulating pump (206) are respectively through two circulating pump switches and external power supply electric connection, switch panel's surface still is equipped with first pneumatic cylinder switch, air exhauster switch, second electronic pneumatic cylinder switch, first electronic pneumatic cylinder (208), air exhauster (507) and second electronic pneumatic cylinder (601) are respectively through first pneumatic cylinder switch, air exhauster switch, second electronic pneumatic cylinder switch and external power supply electric connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310761315.7A CN116516124B (en) | 2023-06-27 | 2023-06-27 | Induction hardening equipment of hydraulic excavator guide pulley |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310761315.7A CN116516124B (en) | 2023-06-27 | 2023-06-27 | Induction hardening equipment of hydraulic excavator guide pulley |
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| CN116516124B true CN116516124B (en) | 2023-09-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109739A (en) * | 2014-07-28 | 2014-10-22 | 常熟华威履带有限公司 | Novel induction quenching device of guide wheel of hydraulic excavator and quenching method of novel induction quenching device |
| CN207509394U (en) * | 2017-11-15 | 2018-06-19 | 常山兴佳液压设备有限公司 | A kind of cold press with protective device |
| JP2021088763A (en) * | 2019-12-03 | 2021-06-10 | 燕山大学Ｙａｎｓｈａｎ Ｕｎｉｖｅｒｓｉｔｙ | Induction quenching device and its quenching method |
| CN218291040U (en) * | 2022-09-16 | 2023-01-13 | 河南高精齿轮有限公司 | Heat treatment device for gear machining |
| CN116060963A (en) * | 2023-04-06 | 2023-05-05 | 山东众冶集团有限公司 | Quick positioning and clamping device of speed reducer gear processing machine tool |
-
2023
- 2023-06-27 CN CN202310761315.7A patent/CN116516124B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109739A (en) * | 2014-07-28 | 2014-10-22 | 常熟华威履带有限公司 | Novel induction quenching device of guide wheel of hydraulic excavator and quenching method of novel induction quenching device |
| CN207509394U (en) * | 2017-11-15 | 2018-06-19 | 常山兴佳液压设备有限公司 | A kind of cold press with protective device |
| JP2021088763A (en) * | 2019-12-03 | 2021-06-10 | 燕山大学Ｙａｎｓｈａｎ Ｕｎｉｖｅｒｓｉｔｙ | Induction quenching device and its quenching method |
| CN218291040U (en) * | 2022-09-16 | 2023-01-13 | 河南高精齿轮有限公司 | Heat treatment device for gear machining |
| CN116060963A (en) * | 2023-04-06 | 2023-05-05 | 山东众冶集团有限公司 | Quick positioning and clamping device of speed reducer gear processing machine tool |
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| CN116516124A (en) | 2023-08-01 |
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