CN200985336Y - Piston rod quenching inductor - Google Patents
Piston rod quenching inductor Download PDFInfo
- Publication number
- CN200985336Y CN200985336Y CNU2006200933762U CN200620093376U CN200985336Y CN 200985336 Y CN200985336 Y CN 200985336Y CN U2006200933762 U CNU2006200933762 U CN U2006200933762U CN 200620093376 U CN200620093376 U CN 200620093376U CN 200985336 Y CN200985336 Y CN 200985336Y
- Authority
- CN
- China
- Prior art keywords
- piston rod
- semicircular arc
- inductor block
- diesel engine
- open tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model discloses a quenching inductor for a piston rod positioned at a large power of lower speed diesel engine. The utility model comprises an encircled hollow tube equipped with a water intake pipe and a water outlet pipe. The inductor is formed by the opposite joint of two left and right half-arc hollow tube sections one end of which is respectively equipped with a plurality of opposite connection plates and a plurality of connection parts, with the other end respectively equipped with a plurality of opposite connection polar plates among which an insulation plate is arranged; an inwards oblique spiracle is arranged at the internal lateral of the lower edge of two half-arc hollow tubes. Two half-round hollow tube sections form the opposite joint around the piston rod, easy to be set up and disassemble. After the piston rod is heat, the cooling water can be sprayed out of the spiracle towards the piston rod for a quick cooling quenching. The utility model is especially suitable for a surface hardening treatment to the piston rod used at a large power of lower speed diesel engine with a diameter of quenching area from 195mm to 365mm and a length from 2500 mm to 4200mm.
Description
Technical field: the invention relates to high-powered low-speed marine diesel engines piston rod surface induction quenching, the inductor block of used medium frequency quenching equipment.
Background technology:
Piston rod is the key part of slow speed diesel engine, and diesel engine is in operation process, moves in cylinder in its upper end, and the lower end is connected with connecting rod, and working conditions requires piston rod surface to have higher hardness and wear resistance.Therefore, carrying out surface hardening handles, if select induction quenching for use, according to existing inductor block, can not conveniently be arranged on around the piston rod of two ends band boss, can not be directly used in the such diameter of phi 195-Φ of high-powered low-speed marine diesel engines piston rod 365mm, length 2500-4200mm large-scale workpiece, further weak point is that water spray Cooling Quenching part is inhomogeneous, is easy to generate the surface hardness inequality.
Summary of the invention:
The inductor block that the objective of the invention is to solve high-powered low-speed marine diesel engines piston rod surface induction quenching is installed the problem that difficulty is set, and further solve the uneven shortcoming of spraying cooling water, provide a kind of installation that the inductor block of the uniform large-power low-speed diesel engine piston bar medium frequency quenching of Cooling Quenching equipment is set conveniently.
The inductor block of large-power low-speed diesel engine piston bar medium frequency quenching equipment of the present invention, have around open tube, open tube has water inlet pipe and rising pipe, it is characterized in that: inductor block by about two semicircular arc open tubes partly dock and form, two semicircular arc open tube one ends have relative connecting plate and web member, two semicircular arc open tube the other ends have relative connection pole plate, accompany insulcrete between the connection pole plate, two semicircular arc open tube lower rim inner sides have intilted spout hole.
Preferably intilted spout hole is 45 ° ± 3 ° and slopes inwardly.Like this inductor block by about two semicircular arc open tubes part butt joint around the piston rod form convenient the setting and dismounting.Two semicircular arc open tube one ends link together by relative connecting plate, can pass the screw or the connecting hole connection of connecting plate with screw or bolt connection piece, also can clamp with the spring clip web member to connect, and can also connect with other web members; Two semicircular arc open tube the other ends connection pole plate by separately respectively are connected with the medium frequency output end of medium frequency quenching equipment.So just can be along the piston rod heating quenching.The water inlet pipe of inductor block is connected with corresponding transfer lime with rising pipe, and recirculated cooling water is provided; After piston rod was heated, the part of water coolant had intilted spout hole from two semicircular arc open tube lower rim inner sides, sprays to the position after piston rod is heated, and carried out quick cooling and quenched.For fear of in relative position, two semicircular arc open tube two ends, the part of piston rod can equally in time be carried out quick cooling and be quenched, the spout hole at two semicircular arc open tube two ends is the spout hole that tilts to the position, boundary, the enough water coolants of piston rod position spray that can in time have a common boundary corresponding to two semicircular arc open tube two ends guarantee quick Cooling Quenching.The spout hole at two semicircular arc open tube two ends is the spout hole to 40 °-50 ° of position, boundary inclinations, and the piston rod position quick cooling quenching of having a common boundary corresponding to two semicircular arc open tube two ends is best.
Adopt the inductor block of medium frequency induction hardening of the present invention like this, be fit to very much piston rod surface and quench, hardening treatment efficient height has guaranteed piston rod surface is quenched uniformly; Particularly suitable is at the diameter of phi 195-of piston rod quenching face Φ 365mm, the large-power low-speed diesel engine piston bar surface hardening of length 2500-4200mm scope is handled, inductor block by about two semicircular arc open tubes form around partly being docked at piston rod, spray water is by two open tubes of inductor block, and spray obliquely around piston rod downwards from the spout hole that is evenly distributed on two open tubes and is 45 ° of inboard lower rim positions respectively, be more suitable for the two ends radial dimension and handle greater than the medium frequency quenching of the Large Piston bar of mobile jib diameter.
Description of drawings: accompanying drawing has been represented the structural representation of the inductor block that the surface hardening processing of large-power low-speed diesel engine piston bar of the present invention is used, wherein Fig. 1 is the inductor block front view, Fig. 2 is the left view of inductor block, Fig. 3 is that the A of inductor block is to partial view, Fig. 4 be the spout hole position B at two semicircular arc open tubes of inductor block two ends to part sectioned view, Fig. 5 is the C-C part sectioned view of inductor block.
Embodiment:
A kind of inductor block of large-power low-speed diesel engine piston bar medium frequency quenching equipment of the present invention, inductor block adopt Φ 30 red copper bars, by about two semi-circular portions forms, innerly be hollow passage and be communicated with water inlet pipe 1 and rising pipe 11.In two water inlet pipe positions of inductor block decompression is installed and distributes baffle plates 5, prevent over against the position hydraulic pressure of water inlet pipe too high, from the water excess of corresponding spout hole ejection, and low excessively, very few from the water of corresponding spout hole ejection at the hydraulic pressure of other positions.The position of spout hole is located at downward, the inside 45 ° of position jewel holes 6 of the inboard lower rim of inductor block, forms the spout hole of continuous distribution, spout hole diameter of phi 1.5mm, spacing 4mm.The spout hole at two semicircular arc open tube two ends is simultaneously to 45 ° of jewel holes of position, boundary inclination simultaneously, and the spout hole 8 of formation guarantees that water coolants evenly are sprayed onto the relative piston rod surface in position, boundary, the dead angle of cool water shower quick cooling can not occur.
Piston rod is supported oneself and is arranged on pedestal and frame; Around piston-rod lower end inductor block is installed, two semicircular arc open tube one ends of inductor block link together by relative connecting plate, and the connecting hole 9 that passes connecting plate with bolt connection piece is connected and fixed; Two semicircular arc open tube the other ends 2 connection pole plate 3 by separately respectively are connected with screw with the medium frequency output end of medium frequency quenching equipment.Accompany insulcrete between two connection pole plates.The water inlet pipe of inductor block is connected with corresponding transfer lime with rising pipe.Inductor block moves relative to piston rod from bottom to top with the speed of 80-200mm/min and heats piston rod continuously; Piston rod forms surperficial uniform heating along with rotate with longitudinal center's relative induction device on the chassis of pedestal simultaneously.Recirculated water enters in the inductor block by the inductor block water inlet pipe, and portion water is passed through spout hole, when the piston rod Heating temperature reaches 900-940 ℃, and the Cooling Quenching of spraying water continuously; The part water coolant flows out from rising pipe gets back to water source, recirculation.The system of the mobile heating of inductor block like this, the circumferential surface after piston rod is heated is sprayed water continuously uniformly rapidly, efficient uniform hardening uniformly, quenching back piston bar surface does not have obvious soft band.
Claims (5)
1, a kind of inductor block of large-power low-speed diesel engine piston bar medium frequency quenching equipment, have around open tube, open tube has water inlet pipe and rising pipe, it is characterized in that: inductor block by about two semicircular arc open tubes partly dock and form, two semicircular arc open tube one ends have relative connecting plate and web member, two semicircular arc open tube the other ends have relative connection pole plate, accompany insulcrete between the connection pole plate, two semicircular arc open tube lower rim inner sides have intilted spout hole.
2, the inductor block of large-power low-speed diesel engine piston bar medium frequency quenching equipment according to claim 1 is characterized in that: intilted spout hole be 45 ° ± 3 ° downwards, slope inwardly.
3, according to the inductor block of the described large-power low-speed diesel engine piston bar medium frequency quenching of claim 1 equipment, it is characterized in that: the spout hole of the spout hole at two semicircular arc open tube two ends for tilting to the position, boundary.
4, according to the inductor block of the described large-power low-speed diesel engine piston bar medium frequency quenching of claim 3 equipment, it is characterized in that: the spout hole at two semicircular arc open tube two ends is the spout hole to 40 °-50 ° of position, boundary inclinations.
5, according to the inductor block of the described large-power low-speed diesel engine piston bar medium frequency quenching of claim 3 equipment, it is characterized in that: in the water inlet pipe position of two semicircular arc open tubes decompression is installed and distributes baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200933762U CN200985336Y (en) | 2006-09-19 | 2006-09-19 | Piston rod quenching inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200933762U CN200985336Y (en) | 2006-09-19 | 2006-09-19 | Piston rod quenching inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200985336Y true CN200985336Y (en) | 2007-12-05 |
Family
ID=38914796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200933762U Expired - Fee Related CN200985336Y (en) | 2006-09-19 | 2006-09-19 | Piston rod quenching inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200985336Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086376A (en) * | 2016-08-28 | 2016-11-09 | 中车大连机车车辆有限公司 | Quenching of camshaft induction apparatus |
| CN106755810A (en) * | 2015-11-25 | 2017-05-31 | 沈阳鼓风机集团股份有限公司 | Quenching inducer |
| CN115141922A (en) * | 2022-07-28 | 2022-10-04 | 大连船用柴油机有限公司 | Surface quenching and water cooling process method for piston rod of large-scale low-speed marine diesel engine |
-
2006
- 2006-09-19 CN CNU2006200933762U patent/CN200985336Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106755810A (en) * | 2015-11-25 | 2017-05-31 | 沈阳鼓风机集团股份有限公司 | Quenching inducer |
| CN106755810B (en) * | 2015-11-25 | 2018-05-18 | 沈阳鼓风机集团股份有限公司 | Quenching inducer |
| CN106086376A (en) * | 2016-08-28 | 2016-11-09 | 中车大连机车车辆有限公司 | Quenching of camshaft induction apparatus |
| CN106086376B (en) * | 2016-08-28 | 2018-07-24 | 中车大连机车车辆有限公司 | Quenching of camshaft inductor |
| CN115141922A (en) * | 2022-07-28 | 2022-10-04 | 大连船用柴油机有限公司 | Surface quenching and water cooling process method for piston rod of large-scale low-speed marine diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DALIAN SHIP DIESEL ENGINE CO.,LTD. Free format text: FORMER NAME OR ADDRESS: DALIAN MARINE DIESEL ENGINE FACTORY |
|
| CP03 | Change of name, title or address |
Address after: No. 1, Haiphong street, Xigang District, Liaoning, Dalian: 116036 Patentee after: Dalian Marine Diesel Co., Ltd. Address before: No. 1, Haiphong street, Xigang District, Liaoning, Dalian: 116036 Patentee before: Dalian Marine Diesel Engine Factory |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20140919 |
|
| EXPY | Termination of patent right or utility model |