CN115029537A - Nozzle module for quenching and cooling wheel and height adjusting device thereof - Google Patents
Nozzle module for quenching and cooling wheel and height adjusting device thereof Download PDFInfo
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- CN115029537A CN115029537A CN202210499270.6A CN202210499270A CN115029537A CN 115029537 A CN115029537 A CN 115029537A CN 202210499270 A CN202210499270 A CN 202210499270A CN 115029537 A CN115029537 A CN 115029537A
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- nozzle
- dovetail groove
- bottom plate
- sliding plate
- nozzles
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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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- 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
- C21D1/667—Quenching devices for spray quenching
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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
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
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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)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to a nozzle module for quenching and cooling a wheel and a height adjusting device thereof. A nozzle module comprising: the nozzle comprises a nozzle mounting seat, a plurality of common nozzles and a plurality of nozzles with switches, wherein the nozzles with the switches are formed by combining the common nozzles and valves, and each common nozzle comprises a nozzle base, a nozzle cap and a nozzle head. Height adjustment device, comprising: the nozzle module comprises a base plate, a spiral lifter, a key I, a shaft, a key II, a key III, a cam II, a cam III, a dovetail groove II bottom plate, a dovetail groove III bottom plate, a dovetail groove II sliding plate, a dovetail groove III sliding plate and a nozzle module bottom plate. The invention ensures that the rail wheel is safer and more reliable in the quenching and cooling process, accurately obtains the actual quenching water amount, accurately reflects the influence of the quenching water amount on the wheel cooling quality, and improves the quenching precision. The lifting equipment can produce a wheel height range, clearly monitor the influence of the actual quenching water amount on the product quality, is beneficial to further accurately developing process research and development, and improves the wheel performance.
Description
Technical Field
The invention relates to the field of railway wheels and the field of heat treatment quenching cooling.
Background
The patent application of publication No. CN212404178U discloses a splash-proof device of a wheel quenching cooling nozzle, a water baffle can move up and down on a connecting guide post, the positions of the water baffles are adjusted upwards or downwards at different wheel rim heights, and the quenching water can be prevented from splashing to a wheel spoke part while the quenching water can uniformly cover a wheel rim and a wheel tread. But it has at least the following disadvantages:
1) the water blocked by the water baffle still flows outwards, and the water quantity actually used for quenching cooling cannot be clearly monitored; 2) the water blocked by the water baffle can influence the waterline for actually producing cooling water in the self-weight falling process and influence the cooling quality of the wheel; 3) the range of compliant rim heights is limited and if the height variation is too great, most of the water will be lost inefficiently, exacerbating the problems of 1) and 2) above.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a nozzle module for quenching and cooling a wheel and a height adjusting device thereof, and solves the problems that the nozzle cannot be covered due to a large rim height variation range in the wheel quenching and cooling process, the flow cannot be accurately detected for adapting to different rim heights, and the production water is adversely affected by useless water.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a nozzle module for wheel quench cooling, comprising: the nozzle mounting seat comprises a nozzle mounting seat, a plurality of common nozzles and a plurality of nozzles with switches, wherein the nozzles with switches are formed by combining the common nozzles and valves; a conventional nozzle includes a nozzle base, a nozzle cap and a nozzle head; the nozzle head can rotate 360 degrees in the nozzle base, and when the nozzle head rotates to a specified angle, the nozzle cap fixes the nozzle head on the nozzle base; the nozzle base of the common nozzle is in threaded connection with the nozzle mounting seat.
Preferably, the number of the common nozzles is 9, and the number of the nozzles with the switches is 3; the 9 common nozzles are in a normally open state, and the nozzle with the switch is positioned above the common nozzles; the 3 nozzle with switch is opened only when the height of the wheel is more than 240 mm.
The spray angle of the nozzle head is 40-60 degrees, and the equivalent aperture of the spray hole of the nozzle head is 1.6-8.4 mm.
A height adjustment device for wheel quench cooling, comprising: the device comprises a base plate, a spiral lifter, a key I, a shaft, a key II, a key III, a cam II, a cam III, a dovetail groove II base plate, a dovetail groove III base plate, a dovetail groove II sliding plate, a dovetail groove III sliding plate and a nozzle module base plate;
the spiral elevator, the dovetail groove second bottom plate and the dovetail groove third bottom plate are sequentially arranged on the base plate, the dovetail groove second sliding plate and the dovetail groove third sliding plate are respectively arranged on the dovetail groove second bottom plate and the dovetail groove third bottom plate, and the dovetail groove second sliding plate and the dovetail groove third sliding plate can slide up and down in the dovetail groove second bottom plate and the dovetail groove third bottom plate; the shaft is respectively connected with the spiral elevator, the cam II and the cam III through the key I, the key II and the key III, and the cam II and the cam III are respectively connected with the dovetail groove second sliding plate and the dovetail groove third sliding plate; the nozzle module bottom plate is arranged above the dovetail groove second sliding plate and the dovetail groove third sliding plate, and the dovetail groove second sliding plate and the dovetail groove third sliding plate can drive the nozzle module bottom plate to move up and down; the nozzle module base plate is used for mounting the nozzle module.
And a graduated scale and a pointer are respectively arranged on the second dovetail groove bottom plate and the second dovetail groove sliding plate and are used for indicating the actual height of the nozzle module in the current state.
The nozzle module bottom plate drives the nozzle module to move up and down, and the movement range is 0-70 mm.
A wheel quench cooling apparatus comprising: a nozzle module and a height adjustment device;
the nozzle module includes: the nozzle comprises a nozzle mounting seat, a plurality of common nozzles and a plurality of nozzles with switches, wherein the nozzles with the switches are formed by combining the common nozzles and valves; the common nozzle comprises a nozzle base, a nozzle cap and a nozzle head; the nozzle head can rotate 360 degrees in the nozzle base, and when the nozzle head rotates to a specified angle, the nozzle cap fixes the nozzle head on the nozzle base; the nozzle base of the common nozzle is in threaded connection with the nozzle mounting seat;
the height adjusting device includes: the device comprises a base plate, a spiral lifter, a key I, a shaft, a key II, a key III, a cam II, a cam III, a dovetail groove II bottom plate, a dovetail groove III bottom plate, a dovetail groove II sliding plate, a dovetail groove III sliding plate and a nozzle module bottom plate; the spiral elevator, the dovetail groove second bottom plate and the dovetail groove third bottom plate are sequentially arranged on the base plate, the dovetail groove second sliding plate and the dovetail groove third sliding plate are respectively arranged on the dovetail groove second bottom plate and the dovetail groove third bottom plate, and the dovetail groove second sliding plate and the dovetail groove third sliding plate can slide up and down in the dovetail groove second bottom plate and the dovetail groove third bottom plate; the shaft is respectively connected with the spiral lifter, the cam II and the cam III through the key I, the key II and the key III, and the cam II and the cam III are respectively connected with the dovetail groove second sliding plate and the dovetail groove third sliding plate; the nozzle module bottom plate is arranged above the dovetail groove second sliding plate and the dovetail groove third sliding plate, and the dovetail groove second sliding plate and the dovetail groove third sliding plate can drive the nozzle module bottom plate to move up and down; the nozzle module bottom plate is used for installing the nozzle module and can drive the nozzle module to move up and down.
Preferably, the number of the common nozzles is 9, and the number of the nozzles with the switches is 3; the 9 common nozzles are in a normally open state, and the nozzle with the switch is positioned above the common nozzles; the 3 nozzle with switch is opened only when the height of the wheel is more than 240 mm.
The spray angle of the nozzle head is 40-60 degrees, and the equivalent aperture of the spray hole of the nozzle head is 1.6-8.4 mm.
And a graduated scale and a pointer are respectively arranged on the second dovetail groove bottom plate and the second dovetail groove sliding plate and are used for indicating the actual height of the nozzle module in the current state.
The invention has the beneficial effects that: the invention can solve the problem that the nozzle can not be covered due to the large variation range of the rim height in the wheel quenching and cooling process; the problem that the flow cannot be accurately detected in order to adapt to different rim heights in the wheel quenching and cooling process can be solved; the problem that no water is used to adversely affect production water in the wheel quenching and cooling process can be solved.
The invention ensures that the rail wheel is safer and more reliable in the quenching and cooling process, accurately obtains the actual quenching water amount, accurately reflects the influence of the quenching water amount on the wheel cooling quality, and improves the quenching precision. The lifting equipment can produce a wheel height range, clearly monitor the influence of the actual quenching water amount on the product quality, is beneficial to further accurately developing process research and development, and improves the wheel performance.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
FIG. 3 is a schematic view of a nozzle module according to the present invention.
FIG. 4 is a schematic view of a general nozzle structure of the present invention.
FIG. 5 is a schematic view showing the internal structure of a conventional nozzle of the present invention.
FIG. 6 is a schematic view of the nozzle structure with switch of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention discloses a nozzle module for quenching and cooling a wheel, which comprises: the nozzle comprises a nozzle mounting seat, a plurality of common nozzles and a plurality of nozzles with switches, wherein the nozzles with the switches are formed by combining the common nozzles and valves, and each common nozzle comprises a nozzle base 17-1, a nozzle cap 17-2 and a nozzle head 17-3.
A height adjustment device for wheel quench cooling, comprising: the nozzle module comprises a base plate 1, a spiral elevator 2, a key I3, a shaft 4, a key II 5, a key III 7, a cam II 6, a cam III 8, a dovetail groove II bottom plate 9, a dovetail groove III bottom plate 11, a dovetail groove II sliding plate 10, a dovetail groove III sliding plate 12 and a nozzle module bottom plate 13;
the spiral elevator 2, the second dovetail groove bottom plate 9 and the third dovetail groove bottom plate 11 are sequentially arranged on the base plate 1, the second dovetail groove sliding plate 10 and the third dovetail groove sliding plate 12 are respectively arranged on the second dovetail groove bottom plate 9 and the third dovetail groove bottom plate 11, and the second dovetail groove sliding plate 10 and the third dovetail groove sliding plate 12 can slide up and down in the second dovetail groove bottom plate 9 and the third dovetail groove bottom plate 11; the shaft 4 is respectively connected with the spiral elevator 2, the cam II 6 and the cam III 8 through a key I3, a key II 5 and a key III 7, and the cam II 6 and the cam III 8 are respectively connected with a dovetail groove second sliding plate 10 and a dovetail groove third sliding plate 12; the nozzle module bottom plate 13 is installed above the second dovetail groove sliding plate 10 and the third dovetail groove sliding plate 12, and the second dovetail groove sliding plate 10 and the third dovetail groove sliding plate 12 can drive the nozzle module bottom plate 13 to move up and down. The nozzle module base plate 13 is used to mount the nozzle module.
A wheel quench cooling apparatus comprising: the nozzle module and the height adjustment device.
In one embodiment, the height adjusting device for quenching and cooling the wheel is suitable for the wheel with the height of 100mm to 300m, and can be applied to quenching and cooling heat treatment of various types of wheels such as running wheels, railway wheels and the like.
As shown in fig. 1-2, the bottom of the base plate 1 is fixed and is connected with the second dovetail groove bottom plate 9 and the third dovetail groove bottom plate 11 through bolts, and the second dovetail groove sliding plate 10 and the third dovetail groove sliding plate 12 can slide up and down in the second dovetail groove bottom plate 9 and the third dovetail groove bottom plate 11; the screw elevator 2 drives the shaft 4 to rotate through the key I3, the shaft 4 drives the cam II 6 and the cam III 8 to rotate through the key II 5 and the key III 7 respectively, the cam II 6 and the cam III 8 drive the dovetail groove II sliding plate 10 and the dovetail groove III sliding plate 12 to move up and down respectively, the dovetail groove II sliding plate 10 and the dovetail groove III sliding plate 12 drive the nozzle module bottom plate 13 to move up and down, and the nozzle module bottom plate 13 drives the nozzle module 14 to move up and down within the range of 0-70 mm. And a graduated scale 16 and a pointer 15 are respectively arranged on the second dovetail groove bottom plate 9 and the second dovetail groove sliding plate 10 to indicate the actual height of the nozzle module in the current state.
As shown in fig. 3-6, the nozzle module for quenching and cooling the wheel comprises a nozzle mounting seat, 9 common nozzles 17 and 3 nozzles 18 with switches, wherein the nozzles with switches are common nozzle and switch assembly parts, the 9 common nozzles are in a normally open state, and the nozzles with switches are positioned above the common nozzles; the 3 nozzles with switches are opened only when the height of the production wheel is more than 240 mm. A nozzle base 17-1 of the common nozzle is in threaded connection with a nozzle mounting seat, a nozzle head 17-3 is fixed on the nozzle base by a nozzle cap 17-2, the nozzle 18 with a switch is formed by combining the common nozzle 17 and a valve 18-1, the nozzle head can rotate 360 degrees in the nozzle base 17-1, and when the nozzle head rotates to a specified angle, the nozzle head 17-3 is fixed on the nozzle base by the nozzle cap 17-2; the spray angle of the nozzle head is 40-60 degrees, and the equivalent aperture of the spray hole of the nozzle head is 1.6-8.4 mm.
The adjusting method of the wheel quenching cooling device comprises the following steps:
the manual rotation spiral elevator rises the nozzle module to with wheel height matching position, according to the wheel quenching technology demand, installs the nozzle of different specifications to the nozzle mount pad on, adjusts four layers of nozzle angle respectively, guarantees that water sprays completely to the wheel tread, and the waterline does not have the influence each other simultaneously. It should be noted that the adjustment step is not performed once for each workpiece, but rather a corresponding range is defined according to the height of the wheel, and workpieces within the same range can be fine-tuned to the distance between the workpiece and the nozzle to meet production requirements.
The above embodiments are merely illustrative, and not restrictive, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the invention, and therefore all equivalent technical solutions also belong to the scope of the invention.
Those not described in detail in this specification are well within the skill of the art.
Claims (10)
1. A nozzle module for wheel quench cooling, comprising: the nozzle mounting seat comprises a nozzle mounting seat, a plurality of common nozzles and a plurality of nozzles with switches, wherein the nozzles with switches are formed by combining the common nozzles and valves; a conventional nozzle includes a nozzle base, a nozzle cap and a nozzle head; the nozzle head can rotate 360 degrees in the nozzle base, and when the nozzle head rotates to a specified angle, the nozzle cap fixes the nozzle head on the nozzle base; the nozzle base of the common nozzle is in threaded connection with the nozzle mounting seat.
2. The nozzle module for wheel quench cooling of claim 1, wherein: the number of the common nozzles is 9, and the number of the nozzles with switches is 3; the 9 common nozzles are in a normally open state, and the nozzle with the switch is positioned above the common nozzles; the 3 nozzle with switch is opened only when the height of the wheel is more than 240 mm.
3. The nozzle module for wheel quench cooling of claim 1, wherein: the spraying angle of the nozzle head is 40-60 degrees, and the equivalent aperture of the spraying hole of the nozzle head is 1.6-8.4 mm.
4. A height adjustment device for wheel quench cooling, comprising: the device comprises a base plate, a spiral lifter, a key I, a shaft, a key II, a key III, a cam II, a cam III, a dovetail groove II bottom plate, a dovetail groove III bottom plate, a dovetail groove II sliding plate, a dovetail groove III sliding plate and a nozzle module bottom plate;
the spiral elevator, the dovetail groove second bottom plate and the dovetail groove third bottom plate are sequentially arranged on the base plate, the dovetail groove second sliding plate and the dovetail groove third sliding plate are respectively arranged on the dovetail groove second bottom plate and the dovetail groove third bottom plate, and the dovetail groove second sliding plate and the dovetail groove third sliding plate can slide up and down in the dovetail groove second bottom plate and the dovetail groove third bottom plate; the shaft is respectively connected with the spiral lifter, the cam II and the cam III through the key I, the key II and the key III, and the cam II and the cam III are respectively connected with the dovetail groove second sliding plate and the dovetail groove third sliding plate; the nozzle module bottom plate is arranged above the dovetail groove second sliding plate and the dovetail groove third sliding plate, and the dovetail groove second sliding plate and the dovetail groove third sliding plate can drive the nozzle module bottom plate to move up and down; the nozzle module base plate is used for mounting the nozzle module.
5. A height adjustment device for wheel quench cooling as claimed in claim 4, wherein: and a graduated scale and a pointer are respectively arranged on the second dovetail groove bottom plate and the second dovetail groove sliding plate and are used for indicating the actual height of the nozzle module in the current state.
6. A height adjustment device for wheel quench cooling as claimed in claim 4, wherein: the nozzle module bottom plate drives the nozzle module to move up and down, and the movement range is 0-70 mm.
7. A wheel quenching cooling device is characterized by comprising: a nozzle module and a height adjustment device; the nozzle module includes: the nozzle comprises a nozzle mounting seat, a plurality of common nozzles and a plurality of nozzles with switches, wherein the nozzles with the switches are formed by combining the common nozzles and valves; a conventional nozzle includes a nozzle base, a nozzle cap and a nozzle head; the nozzle head can rotate 360 degrees in the nozzle base, and when the nozzle head rotates to a specified angle, the nozzle cap fixes the nozzle head on the nozzle base; the nozzle base of the common nozzle is in threaded connection with the nozzle mounting seat;
the height adjusting device includes: the device comprises a base plate, a spiral lifter, a key I, a shaft, a key II, a key III, a cam II, a cam III, a dovetail groove II base plate, a dovetail groove III base plate, a dovetail groove II sliding plate, a dovetail groove III sliding plate and a nozzle module base plate; the spiral elevator, the dovetail groove second bottom plate and the dovetail groove third bottom plate are sequentially arranged on the base plate, the dovetail groove second sliding plate and the dovetail groove third sliding plate are respectively arranged on the dovetail groove second bottom plate and the dovetail groove third bottom plate, and the dovetail groove second sliding plate and the dovetail groove third sliding plate can slide up and down in the dovetail groove second bottom plate and the dovetail groove third bottom plate; the shaft is respectively connected with the spiral lifter, the cam II and the cam III through the key I, the key II and the key III, and the cam II and the cam III are respectively connected with the dovetail groove second sliding plate and the dovetail groove third sliding plate; the nozzle module bottom plate is arranged above the dovetail groove second sliding plate and the dovetail groove third sliding plate, and the dovetail groove second sliding plate and the dovetail groove third sliding plate can drive the nozzle module bottom plate to move up and down; the nozzle module bottom plate is used for installing the nozzle module and can drive the nozzle module to move up and down.
8. The wheel quench cooling apparatus of claim 7, wherein: the number of the common nozzles is 9, and the number of the nozzles with the switches is 3; the 9 common nozzles are in a normally open state, and the nozzle with the switch is positioned above the common nozzles; the 3 nozzle with switch is opened only when the height of the wheel is more than 240 mm.
9. The wheel quench cooling apparatus of claim 7, wherein: the spray angle of the nozzle head is 40-60 degrees, and the equivalent aperture of the spray hole of the nozzle head is 1.6-8.4 mm.
10. The wheel quench cooling apparatus of claim 7, wherein: and a graduated scale and a pointer are respectively arranged on the second dovetail groove bottom plate and the second dovetail groove sliding plate and are used for indicating the actual height of the nozzle module in the current state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499270.6A CN115029537A (en) | 2022-05-09 | 2022-05-09 | Nozzle module for quenching and cooling wheel and height adjusting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499270.6A CN115029537A (en) | 2022-05-09 | 2022-05-09 | Nozzle module for quenching and cooling wheel and height adjusting device thereof |
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| Publication Number | Publication Date |
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| CN115029537A true CN115029537A (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210499270.6A Pending CN115029537A (en) | 2022-05-09 | 2022-05-09 | Nozzle module for quenching and cooling wheel and height adjusting device thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816907A (en) * | 2012-08-03 | 2012-12-12 | 无锡市绿色热处理设备有限公司 | Controllable-spraying quenching machine |
| CN103468917A (en) * | 2013-09-18 | 2013-12-25 | 济钢集团有限公司 | Surface quenching and cooling device of metallurgical locomotive wheel |
| CN204958989U (en) * | 2015-08-26 | 2016-01-13 | 邯郸新兴特种管材有限公司 | Spray nozzle device in adjustable quench machining tool of position |
| US20200009618A1 (en) * | 2018-07-04 | 2020-01-09 | Citic Dicastal Co., Ltd | Wheel cleaning device |
| CN111575461A (en) * | 2020-06-03 | 2020-08-25 | 宝武集团马钢轨交材料科技有限公司 | Wheel quenching table and processing method thereof |
-
2022
- 2022-05-09 CN CN202210499270.6A patent/CN115029537A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816907A (en) * | 2012-08-03 | 2012-12-12 | 无锡市绿色热处理设备有限公司 | Controllable-spraying quenching machine |
| CN103468917A (en) * | 2013-09-18 | 2013-12-25 | 济钢集团有限公司 | Surface quenching and cooling device of metallurgical locomotive wheel |
| CN204958989U (en) * | 2015-08-26 | 2016-01-13 | 邯郸新兴特种管材有限公司 | Spray nozzle device in adjustable quench machining tool of position |
| US20200009618A1 (en) * | 2018-07-04 | 2020-01-09 | Citic Dicastal Co., Ltd | Wheel cleaning device |
| CN111575461A (en) * | 2020-06-03 | 2020-08-25 | 宝武集团马钢轨交材料科技有限公司 | Wheel quenching table and processing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 胡炎林等: "机械基础及建筑机械", 武汉工业大学出版社, pages: 28 - 29 * |
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Address after: 18 Xueqing Road, Haidian District, Beijing 100089 Applicant after: China National Machinery Institute Group Beijing Electromechanical Research Institute Co.,Ltd. Address before: 18 Xueqing Road, Haidian District, Beijing 100089 Applicant before: BEIJING Research Institute OF MECHANICAL & ELECTRICAL TECHNOLOGY |
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