CN206052090U - A kind of prestressed anchor annealing device - Google Patents
A kind of prestressed anchor annealing device Download PDFInfo
- Publication number
- CN206052090U CN206052090U CN201621083395.7U CN201621083395U CN206052090U CN 206052090 U CN206052090 U CN 206052090U CN 201621083395 U CN201621083395 U CN 201621083395U CN 206052090 U CN206052090 U CN 206052090U
- Authority
- CN
- China
- Prior art keywords
- prestressed anchor
- frequency induction
- module
- annealing device
- sensing heating
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
This utility model is related to a kind of prestressed anchor annealing device, including the mid-frequency induction hardening production line and chamber type annealing stove that set gradually.Relative to prior art, the method that this utility model is combined using Medium frequency induction press quenching and batch-type furnace tempering, hot, cold technique in heat treatment process coordinates more reasonable, temperature is accurate, advantageously reduce heat affected area and deformation, prestressed anchor arbitrary section is tempered sorbite microscopic structure, length range interior mechanics performance and hardness stabilization, toughness and tenacity is balanced, deviation is less than 10%, and surface of the work hardened layer is shallower, the good straightness degree of length direction, deflection is less than 4%, and end does not have seminess.The heat treatment method automaticity is moderate, and the strong adaptability to different length specification prestressed anchor is high in machining efficiency, batch products steady quality, and concordance is high.
Description
Technical field
This utility model is related to a kind of prestressed anchor annealing device.
Background technology
Wind power foundation is with the mechanical property and mechanical performance of high-strength prestress anchor pole for whole generating set exists
Stable safe operation in life cycle management is most important, during the manufacturing, it usually needs certain heat is taken to which
Process, combination property and service life are improved by improving internal organizational structure, to meet the prestressing force under actual working state
Apply and high-frequency vibration loading demands.
The domestic heat treatment method commonly used to the pole shape hardware with high-fineness ratio structure at present is traditional heat
Treatment furnace and Medium frequency induction burning optimization on line.
Traditional heat treatment is that workpiece is first quenched in heat-treatment furnace, then carries out high tempering, and its shortcoming exists
In energy consumption is big, seriously polluted, low production efficiency, the scale of prior heat treatment stove is not only limited to the dimensions of workpiece
System, and it is uneven to easily cause the treatment effect of product elongatedness direction different parts, along with this heat treatment process all
It is to process in batches, between batch, the quality conformance of workpiece is undesirable, for the needs prestressed anchor that cooperation is used in groups
For bar assembly, potential safety hazard is larger.
Medium frequency induction burning optimization on line is, in the principle using Frequency Induction Heating, to produce in Special middle frequency induction heat treatment
The line last time completes the heat treatment overall processes such as sensing heating, quenching cooling, tempering heating, tempering insulation, tempering cooling, with life
Produce the advantages of efficiency high, good quality conformance, environmental protection and energy saving, but due to not carrying out to the Technology for Heating Processing of workpiece from principle
Adaptation, to guarantee that each operation is connected in order, whole process is not continuously interrupted, the production of Medium frequency induction burning optimization on line
Line has done simplified process in the isothermal holding link of tempering process, and the tempering insulation time of workpiece is greatly shortened, it is impossible to for gold
The formation of category interior microscopic tissue provides enough growth conditionss, causes internal organizational structure imperfection or uneven, and surface is hard
Change layer is deeper, and then affects the combination property after heat treatment of workpieces.
Utility model content
The technical problems to be solved in the utility model is：What the pole shape hardware of existing high-fineness ratio structure was commonly used
Heat treatment method is traditional heat-treatment furnace and Medium frequency induction burning optimization on line, exist treatment effect it is uneven and process after it is comprehensive
The undesirable problem of performance is closed, to solve the above problems, there is provided a kind of prestressed anchor annealing device.
The purpose of this utility model is realized in the following manner：
A kind of prestressed anchor annealing device, including the mid-frequency induction hardening production line and box tempering that set gradually
Stove.
It is feeding transmitting device that mid-frequency induction hardening production line includes setting gradually, Frequency Induction Heating system, closed
Circulating cooling system and blanking transmitting device, feeding transmitting device, Frequency Induction Heating system, enclosed circulation cooling system and
Blanking transmitting device is connected with PLC electric-control systems.
Sensing heating intensification module and sensing heating heat preservation module that Frequency Induction Heating system is once arranged, add in sensing
Infrared thermometry module is provided with hot intensification module and sensing heating heat preservation module.
Sensing heating intensification module is 1, and sensing heating heat preservation module is 3.
Enclosed circulation cooling system includes absorb heat chiller and enclosed circulation pipeline.
Chamber type annealing stove is internally provided with heater, temperature control equipment and insulation construction.
Relative to the side that prior art, this utility model are combined using Medium frequency induction press quenching and batch-type furnace tempering
Method, hot, the cold technique in heat treatment process coordinate more rationally, and temperature precisely, advantageously reduces heat affected area and deformation,
Prestressed anchor arbitrary section is tempered sorbite microscopic structure, length range interior mechanics performance and hardness stabilization, obdurability
Can balance, deviation is less than 10%, and surface of the work hardened layer is shallower, the good straightness degree of length direction, deflection is less than 4%, end
Portion does not have seminess.The heat treatment method automaticity is moderate, the strong adaptability to different length specification prestressed anchor,
High in machining efficiency, batch products steady quality, concordance are high.
Description of the drawings
Fig. 1 this utility model general structure schematic diagrams.
Fig. 2 mid-frequency induction hardening production line schematic diagrams of the present utility model.
Wherein, 1 is mid-frequency induction hardening production line, and 2 is chamber type annealing stove, and 3 is feeding transmitting device, and 4 is Medium frequency induction
Heating system, 5 is enclosed circulation cooling system, and 6 is blanking transmitting device, and 7 is PLC electric-control systems, and 8 is that sensing heating heats up
Module, 9 is sensing heating heat preservation module, and 10 is infrared thermometry device.
Specific embodiment
As shown in figure 1, a kind of prestressed anchor annealing device, including the mid-frequency induction hardening production line 1 for setting gradually
With chamber type annealing stove 2.
As shown in Fig. 2 mid-frequency induction hardening production line 1 includes the feeding transmitting device 3, Frequency Induction Heating for setting gradually
System 4, enclosed circulation cooling system 5 and blanking transmitting device 6, feeding transmitting device 3, Frequency Induction Heating system 4, closing
Formula circulating cooling system 5 and blanking transmitting device 6 are connected with PLC electric-control systems 7.Touch is provided with PLC electric-control systems 7
Screen, for showing and adjusting, can be carried out to technological parameters such as system mechanics operational factor, quenching heat treatment parameter, temperature parameters
Setting, issuing instruction to system makes which run by setup parameter.
Frequency Induction Heating system 4 includes the sensing heating intensification module 8 for setting gradually and sensing heating heat preservation module 9,
Infrared thermometry module 10 is provided with sensing heating intensification module 8 and sensing heating heat preservation module 9.Sensing heating heats up
Module 8 is 1, and sensing heating heat preservation module 9 is 3, is heated using 4 stage progressives, rated power 800KW, hardening heat 930
DEG C ± 5 DEG C, feed-speed 2m/min -3m/min.
Enclosed circulation cooling system 5 includes absorb heat chiller and enclosed circulation pipeline, and heat absorption chiller is one
Individual cooler, enclosed circulation pipeline are the water route of some closings, pipeline.The hydraulic pressure 0.3MPa of enclosed circulation cooling system 5,
Discharge 60M3/ h, enter-leaving water temperature difference is not less than 50 DEG C.
Chamber type annealing stove 2 is internally provided with heater, temperature control equipment and insulation construction.2 single of chamber type annealing stove
10 tons of temper workpiece, 650 DEG C ± 5 DEG C of temperature, temperature retention time 100min ± 10 min.
In one embodiment, heat treatment is carried out using 42CrMo, the initial tensile strength of the material reaches 830MPa, is surrendered
Intensity reaches 660MPa, and elongation after fracture >=10%, low-temperature impact work when -40 DEG C are not higher than 10J.
After prestressed anchor heat treatment, tensile strength reaches 930MPa, and yield strength reaches 810MPa, and elongation after fracture >=
19%, the contraction percentage of area >=65%, low-temperature impact work when -40 DEG C are not less than 110J.
The method combined using Medium frequency induction press quenching and batch-type furnace tempering, hot, the cold technique in heat treatment process
Coordinate more rationally, temperature precisely, advantageously reduces heat affected area and deformation, and prestressed anchor arbitrary section is tempering
Sorbite microscopic structure, length range interior mechanics performance and hardness stabilization, toughness and tenacity balance, deviation are less than 10%, workpiece table
Face hardened layer is shallower, the good straightness degree of length direction, and deflection is less than 4%, and end does not have seminess.The heat treatment method
Automaticity is moderate, the strong adaptability to different length specification prestressed anchor, high in machining efficiency, and batch products quality is steady
Fixed, concordance is high.
Above-described is only preferred implementation of the present utility model, it is noted that for those skilled in the art
For, under the premise of without departing from this utility model general idea, some changes and improvements can also be made, these should also be considered as
Protection domain of the present utility model.
Claims (6)
1. a kind of prestressed anchor annealing device, it is characterised in that：Including the mid-frequency induction hardening production line that sets gradually and
Chamber type annealing stove.
2. a kind of prestressed anchor annealing device according to claim 1, it is characterised in that：Mid-frequency induction hardening is produced
Line includes feeding transmitting device, Frequency Induction Heating system, enclosed circulation cooling system and the blanking transmission dress for setting gradually
Put, feeding transmitting device, Frequency Induction Heating system, enclosed circulation cooling system and blanking transmitting device are automatically controlled with PLC
System connects.
3. a kind of prestressed anchor annealing device according to claim 2, it is characterised in that：Frequency Induction Heating system
The sensing heating intensification module for once arranging and sensing heating heat preservation module, are incubated in sensing heating intensification module and sensing heating
Infrared thermometry module is provided with module.
4. a kind of prestressed anchor annealing device according to claim 3, it is characterised in that：Sensing heating intensification module
For 1, sensing heating heat preservation module is 3.
5. a kind of prestressed anchor annealing device according to claim 2, it is characterised in that：Enclosed circulation cooling system
System includes absorb heat chiller and enclosed circulation pipeline.
6. a kind of prestressed anchor annealing device according to claim 1, it is characterised in that：Set inside chamber type annealing stove
It is equipped with heater, temperature control equipment and insulation construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083395.7U CN206052090U (en) | 2016-09-27 | 2016-09-27 | A kind of prestressed anchor annealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083395.7U CN206052090U (en) | 2016-09-27 | 2016-09-27 | A kind of prestressed anchor annealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206052090U true CN206052090U (en) | 2017-03-29 |
Family
ID=58365962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621083395.7U Active CN206052090U (en) | 2016-09-27 | 2016-09-27 | A kind of prestressed anchor annealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206052090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609055A (en) * | 2020-11-30 | 2021-04-06 | 中船重工海为郑州高科技有限公司 | Prestressed anchor rod heat treatment device |
| CN115533456A (en) * | 2022-10-10 | 2022-12-30 | 陕西欣阳美航实业有限公司 | Production method of rock-proof mine hole supporting device |
-
2016
- 2016-09-27 CN CN201621083395.7U patent/CN206052090U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609055A (en) * | 2020-11-30 | 2021-04-06 | 中船重工海为郑州高科技有限公司 | Prestressed anchor rod heat treatment device |
| CN112609055B (en) * | 2020-11-30 | 2024-07-02 | 中船海为高科技有限公司 | Prestressed anchor rod heat treatment device |
| CN115533456A (en) * | 2022-10-10 | 2022-12-30 | 陕西欣阳美航实业有限公司 | Production method of rock-proof mine hole supporting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101549449B (en) | Processing technology for high-strength large hexagon head bolt used for steel structure | |
| CN101934466A (en) | Technology for processing high strength large hexagon-headed bolt used for steel structure | |
| CN104513885A (en) | Continuous quenched-tempered heat treatment production line equipment for hardened and tempered steel medium-small bars or tubular stocks | |
| CN107138660A (en) | A kind of high-carbon-chromium bearing steel warm-rolling loop forming method for realizing tissue nodularization | |
| CN103352108A (en) | H13 molten steel cold and hot treatment process | |
| CN105269247A (en) | Processing technology for big high-strength hexagon bolt used for steel structure | |
| CN108866285A (en) | A kind of heavy die block mould steel Tempering and Quenching method | |
| CN105349757A (en) | Heat treatment device for round-link chain and application method thereof | |
| CN104531974A (en) | Large forging quenching heat treatment process | |
| CN105132637A (en) | Two-liquid quenching tempering local strengthening heat treatment technology for oil press 5CrMnMo upper die | |
| CN104593573A (en) | Combined thermomechanical treatment strengthening method for efficiently improving strength and toughness of non-quenched and tempered steel | |
| CN206052090U (en) | A kind of prestressed anchor annealing device | |
| CN102605147A (en) | Method for carrying out normalizing heat treatment by using waste heat from forging of forged piece | |
| CN105543459A (en) | Composite quenching method of Cr12MoV roller | |
| CN102517433A (en) | Heat treatment method of high-strength wear plates | |
| CN110773630B (en) | Method for solving uneven conductive heating temperature of irregular blank | |
| CN104032115A (en) | Thermal treatment method for reducing secondary gear ring nitrogenized deformation | |
| CN101993985B (en) | Constant temperature process equipment and method as well as constant temperature quenching device and method of forge piece waste heat | |
| CN108441606B (en) | Quenching and tempering process method in continuous gas heat treatment furnace | |
| CN101560595B (en) | Induction heat processing method of truck longeron and device thereof | |
| CN110039313A (en) | A kind of energy-saving hot forming steel class part substep Forming Equipments and technique | |
| CN102251089B (en) | Heat treatment method for full diameter 30Cr2Ni4MoV low pressure rotor | |
| CN204385238U (en) | A kind of medium and small bar of quenched and tempered steel or tubing continuous refining heat treatment production line device | |
| CN104164543A (en) | Quenching method for hot work die steel | |
| CN112251570A (en) | Heat treatment process for reducing hardness difference of cross section core surface of wind power bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |