CN109038402A - A kind of tray type cable bridge and preparation method thereof - Google Patents

A kind of tray type cable bridge and preparation method thereof Download PDF

Info

Publication number
CN109038402A
CN109038402A CN201810939389.4A CN201810939389A CN109038402A CN 109038402 A CN109038402 A CN 109038402A CN 201810939389 A CN201810939389 A CN 201810939389A CN 109038402 A CN109038402 A CN 109038402A
Authority
CN
China
Prior art keywords
cable
bottom plate
furnace
temperature
tray type
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.)
Pending
Application number
CN201810939389.4A
Other languages
Chinese (zh)
Inventor
朱朝平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Zhaoyang Electromechanical Technology Co Ltd
Original Assignee
Zhejiang Zhaoyang Electromechanical Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Zhaoyang Electromechanical Technology Co Ltd filed Critical Zhejiang Zhaoyang Electromechanical Technology Co Ltd
Priority to CN201810939389.4A priority Critical patent/CN109038402A/en
Publication of CN109038402A publication Critical patent/CN109038402A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubings or conduits or channels or other supports
    • H02G3/0462Tubings, i.e. having a closed section
    • H02G3/0487Tubings, i.e. having a closed section with a non-circular cross-section
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C33/00Making ferrous alloys
    • C22C33/04Making ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubings or conduits or channels or other supports
    • H02G3/0456Ladders or other supports

Abstract

The invention discloses a kind of tray type cable bridges, it is related to cable testing bridge technical field, including cover board and integrally formed left plate, bottom plate and right side plate, wheel carrier is formed between the cover board, left plate, bottom plate and right side plate, several groups cable placing groove is evenly arranged with along its width direction on the bottom plate, the cable placing groove includes V-shaped two be arranged on bottom plate piece limit plate, makes to be independent of each other between the more cables placed on bottom plate.The invention also discloses a kind of preparation methods of tray type cable bridge, ensure that the mechanical performance and high temperature resistance of cable testing bridge, the service life of cable testing bridge is made to improve 15-19%.

Description

A kind of tray type cable bridge and preparation method thereof
Technical field
The present invention relates to cable testing bridge technical fields, more particularly to a kind of tray type cable bridge and preparation method thereof.
Background technique
Cable testing bridge is that electric wire, cable, umbilical laying is made to reach standardization, systematization, unitized cable laying device, Its fundamental type includes following several: channel-type cable bridge, a kind of Totally-enclosed-type cable testing bridge, it is to be best suited for being laid with calculating Electric cable, communication cable, thermocouple cable and other Highly Sensitive Systems control cable shielding interference and heavy corrosion environment in The protection of cable has preferable effect;Tray type cable bridge, it has, and light-weight, load is big, handsome in appearance, structure is simple The advantages that single, easy for installation, it is not only suitable for the installation of power cable, is also applied for the laying of control cable;Ladder-type cable Gantry, the laying suitable for the laying of the big cable of general diameter, especially suitable for high and low power cable.
More even a variety of cables are generally placed in tray type cable bridge, these cables are easy mutually to connect when being laid with Touching generates friction, or even winds up, and not only increases the subsequent difficulty to maintaining cables and maintenance of operator, and to line The service life of cable has a certain impact.
Summary of the invention
The technical problem to be solved by the present invention is to the shortcomings that overcoming the prior art, provide a kind of tray type cable bridge And preparation method thereof.
In order to solve the above technical problems, technical scheme is as follows:
A kind of tray type cable bridge, including cover board and integrally formed left plate, bottom plate and right side plate, the cover board, a left side Wheel carrier is formed between side plate, bottom plate and right side plate, is evenly arranged with several groups cable along its width direction on the bottom plate and is put Slot is set, the cable placing groove includes V-shaped two be arranged on bottom plate piece limit plate.
Further, it is located on bottom plate between two pieces of limit plates and opens up fluted, is provided with rolling unit in the groove.
A kind of preceding tray type cable bridge, rolling unit is pulley.
A kind of preceding tray type cable bridge, cable placing groove described in every group includes several along floor length direction The cable placing groove being uniformly arranged.
A kind of preceding tray type cable bridge is also provided with several heat release holes on bottom plate.
The upper end of a kind of preceding tray type cable bridge, left plate and right side plate is provided with the folding turned down outward Side, the two sides of the cover board are provided with " Contraband " shape fitting portion for flanging insertion.
A kind of preceding tray type cable bridge, each constituent and its mass percent of cable testing bridge are as follows: C: 0.12-0.18%, Ni:0.88-0.94%, Cr:2.88-3.34%, Mg:4.68-5.12%, Al:0.22-0.45%, Nb: 0.14-0.22%, Si:0.28-0.34%, surplus are Fe and inevitable impurity.
A kind of preparation method of tray type cable bridge, comprising the following steps:
S1: raw material is proportionally added into smelting furnace, and furnace temperature is adjusted to 1550-1700 DEG C, and raw material is smelted into alloy solution;
S2: alloy solution is poured into electroslag furnace, is passed through argon gas, and refining agent is added, is refined to alloy solution;
S3: alloy solution is cooled down, and so that it is cooled to 1190-1210 DEG C, is then rolled, obtains steel;
S4: steel are put into annealing furnace, and the temperature of annealing furnace is adjusted to 675-740 DEG C, keep the temperature 6-8h, then cold with furnace But it to 500-480 DEG C, is drawn off, is air-cooled to room temperature;
S5: steel are put into normalizing furnace, and the temperature of normalizing furnace is adjusted to 1150-1175 DEG C, are taken out after keeping the temperature 3-5h, air-cooled To room temperature;
S6: steel are put into heating furnace, are heated to 900-930 DEG C, are kept the temperature 1-3h, are carried out water quenching after taking-up;
S7: steel are put into tempering furnace, and the temperature of tempering furnace is adjusted to 600-650 DEG C, is air-cooled to room temperature after taking-up;
S8: bending steel, forms cable testing bridge, carries out ultrasonic examination processing to cable testing bridge, after the assay was approved To finished product.
A kind of preparation method of preceding tray type cable bridge, in S3 the rate of temperature fall of alloy solution be higher than 15 DEG C/ s。
The beneficial effects of the present invention are:
(1) present invention is provided with several group of cable placing groove along its width direction on bottom plate, and for placing cable, cable is put Limit can be played the role of to cable by setting slot, made to be independent of each other between the more cables placed on bottom plate, be avoided more on bottom plate Root cable is wound mutually in placement process, improves the subsequent difficulty to maintaining cables and maintenance of operator, and cable is placed It is more orderly;
(2) cable placing groove is made of two pieces of V-shaped limit plates being arranged on bottom plate in the present invention, makes line using V-structure Cable placing groove is suitable for the placement requirement of different-diameter cable, is not in that cable is meticulous and horizontally slip in cable placing groove The case where, cable will not occur slightly can not be placed into the situation in cable placing groove excessively, and use scope is wider;
(3) present invention opens up fluted at the bottom plate in each cable placing groove between two pieces of limit plates, and in a groove It is provided with rolling unit, when the cable in cable placing groove is laid with, rolling unit is by the sliding between cable and bottom plate Friction is changed to the rolling friction between cable and rolling unit, substantially reduces the frictional force that cable is subject to, protects outside cable The protective layer of layer, so that the service life of cable be made to extend 15-18%;
(4) every group of cable placing groove is made of multiple cable placing grooves along the setting of floor length direction in the present invention, cable It is easier to drag cable when laying, improves the working efficiency of cable laying;
(5) present invention offers several heat release holes on bottom plate, effectively increases the radiating efficiency of cable testing bridge, makes cable work The heat distributed during making can be discharged from heat release hole, avoid cable from being in the working environment of high temperature always, influence cable Service life, while also avoiding fire;
(6) present invention is provided with outside flanging in the upper end of left plate and right side plate, and is provided in the two sides of cover board Flanging on side plate need to only be embedded in the fitting portion of cover board two sides when installation, then push cover board by " Contraband " shape fitting portion Realize installation, it is easy for assemble or unload;
(7) C element is added in the present invention in the feed, forms carbide with other metallic elements, solid solution in the base, guarantees enough Carbide Precipitation and intensity;Cr, which is added, so that Carbide Precipitation is strengthened, and high-temperature oxidation resistance and the solid solution for improving steel are strong Change effect;Nb element is added, can not only react new city NbC at high temperature with C element, plays the role of refining crystal grain, thus The mechanical performance of steel is improved, while can also prevent Cr from forming carbide with C element and reducing Cr element containing in crystal boundary Amount, leads to grain boundary corrosion, ensure that the high-temperature stability of steel;
(8) present invention first uses smelting furnace to smelt raw material for alloy solution when smelting, and alloy solution is then transferred to electricity In slag hearth, argon gas is passed through as protection gas, electric slag refusion and smelting is carried out to alloy solution, obtains higher smelting quality, is guaranteed Also there is while steel strength enough toughness after molding;It first anneals to the steel obtained after rolling, controls carbide Precipitation, guarantee the performance indicators such as intensity, toughness and the hardness of steel;Normalizing makes steel obtain homogenization tissue, and is carbon Compound sufficiently dissolves, and using quenching and tempering, keeps the pearlitic structrure in steel more uniform, is guaranteeing the same of steel hardness When improve toughness, so that the service life of cable testing bridge is improved 15-19%.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is that Fig. 1 removes the top view after cover board;
Wherein: 1, cover board;2, left plate;3, bottom plate;4, right side plate;5, wheel carrier;6, cable placing groove;7, limit plate;8, it rolls Moving cell;9, groove;10, heat release hole;11, flanging;12, fitting portion.
Specific embodiment
It is right below according to specific embodiment and in conjunction with attached drawing to make the contents of the present invention be easier to be clearly understood The present invention makes further details of explanation.
Embodiment 1
Present embodiments provide a kind of tray type cable bridge, including cover board 1 and integrally formed left plate 2, bottom plate 3 and the right side Side plate 4 forms wheel carrier 5 between cover board 1, left plate 2, bottom plate 3 and right side plate 4.
Four groups of cable placing grooves 6 are evenly arranged with along its width direction on bottom plate 3, every group of cable placing groove 6 includes four A cable placing groove 6 being uniformly arranged along 3 length direction of bottom plate.Each cable placing groove 6 includes V-shaped is arranged on bottom plate 3 Two pieces of limit plates 7.Fluted 9 are opened up between two pieces of limit plates 7 on bottom plate 3, is provided with pulley in groove 9, The rotation axis of the pulley is parallel to the width direction of bottom plate 3.Cable in cable placing groove 6 pulley when being laid with can turn It is dynamic, substantially reduce the frictional force that cable is subject to.
Several heat release holes 10 are also provided on bottom plate 3.
The upper end of left plate 2 and right side plate 4 is provided with the flanging 11 outside wheel carrier 5, and flanging 11 is set in the horizontal direction It sets, " Contraband " the shape fitting portion 12 being embedded in for flanging 11 is provided in the left and right sides of cover board 1, when needing to install cover board 1, only Flanging 11 on left side and right side plate 4 need to be embedded in the fitting portion 12 of 1 two sides of cover board, then push lid that lid can be completed The installation of plate 1.
Each constituent and its mass percent of cable testing bridge in the present embodiment are as follows: C:0.12%, Ni:0.88%, Cr: 2.88%, Mg:4.68%, Al:0.22%, Nb:0.14%, Si:0.28%, surplus are Fe and inevitable impurity
The present embodiment additionally provides a kind of preparation method of tray type cable bridge, comprising the following steps:
S1: raw material is proportionally added into smelting furnace, and furnace temperature is adjusted to 1550 DEG C, and raw material is smelted into alloy solution;
S2: alloy solution is poured into electroslag furnace, is passed through argon gas, and refining agent is added, is refined to alloy solution;
S3: alloy solution is cooled down, it is made to be cooled to 1190 DEG C, and rate of temperature fall is 15 DEG C/s, is then rolled, is obtained Steel;
S4: steel are put into annealing furnace, and the temperature of annealing furnace is adjusted to 675 DEG C, are kept the temperature 6h, are then cooled to the furnace It 500 DEG C, is drawn off, is air-cooled to room temperature;
S5: steel are put into normalizing furnace, and the temperature of normalizing furnace is adjusted to 1150 DEG C, are taken out after keeping the temperature 3h, are air-cooled to room temperature;
S6: steel are put into heating furnace, are heated to 900 DEG C, are kept the temperature 1h, are carried out water quenching after taking-up;
S7: steel are put into tempering furnace, and the temperature of tempering furnace is adjusted to 600 DEG C, room temperature is air-cooled to after taking-up;
S8: bending steel, forms cable testing bridge, carries out ultrasonic examination processing to cable testing bridge, after the assay was approved To finished product.
Embodiment 2
Present embodiments provide a kind of tray type cable bridge, including cover board 1 and integrally formed left plate 2, bottom plate 3 and the right side Side plate 4 forms wheel carrier 5 between cover board 1, left plate 2, bottom plate 3 and right side plate 4.
Four groups of cable placing grooves 6 are evenly arranged with along its width direction on bottom plate 3, every group of cable placing groove 6 includes four A cable placing groove 6 being uniformly arranged along 3 length direction of bottom plate.Each cable placing groove 6 includes V-shaped is arranged on bottom plate 3 Two pieces of limit plates 7.Fluted 9 are opened up between two pieces of limit plates 7 on bottom plate 3, is provided with pulley in groove 9, The rotation axis of the pulley is parallel to the width direction of bottom plate 3.Cable in cable placing groove 6 pulley when being laid with can turn It is dynamic, substantially reduce the frictional force that cable is subject to.
Several heat release holes 10 are also provided on bottom plate 3.
The upper end of left plate 2 and right side plate 4 is provided with the flanging 11 outside wheel carrier 5, and flanging 11 is set in the horizontal direction It sets, " Contraband " the shape fitting portion 12 being embedded in for flanging 11 is provided in the left and right sides of cover board 1, when needing to install cover board 1, only Flanging 11 on left side and right side plate 4 need to be embedded in the fitting portion 12 of 1 two sides of cover board, then push lid that lid can be completed The installation of plate 1.
Each constituent and its mass percent of cable testing bridge in the present embodiment are as follows: C:0.18%, Ni:0.94%, Cr: 3.34%, Mg:5.12%, Al:0.45%, Nb:0.22%, Si:0.34%, surplus are Fe and inevitable impurity
The present embodiment additionally provides a kind of preparation method of tray type cable bridge, comprising the following steps:
S1: raw material is proportionally added into smelting furnace, and furnace temperature is adjusted to 1700 DEG C, and raw material is smelted into alloy solution;
S2: alloy solution is poured into electroslag furnace, is passed through argon gas, and refining agent is added, is refined to alloy solution;
S3: alloy solution is cooled down, it is made to be cooled to 1210 DEG C, and rate of temperature fall is 17 DEG C/s, is then rolled, is obtained Steel;
S4: steel are put into annealing furnace, and the temperature of annealing furnace is adjusted to 740 DEG C, are kept the temperature 8h, are then cooled to the furnace It 480 DEG C, is drawn off, is air-cooled to room temperature;
S5: steel are put into normalizing furnace, and the temperature of normalizing furnace is adjusted to 1175 DEG C, are taken out after keeping the temperature 5h, are air-cooled to room temperature;
S6: steel are put into heating furnace, are heated to 930 DEG C, are kept the temperature 3h, are carried out water quenching after taking-up;
S7: steel are put into tempering furnace, and the temperature of tempering furnace is adjusted to 650 DEG C, room temperature is air-cooled to after taking-up;
S8: bending steel, forms cable testing bridge, carries out ultrasonic examination processing to cable testing bridge, after the assay was approved To finished product.
Embodiment 3
Present embodiments provide a kind of tray type cable bridge, including cover board 1 and integrally formed left plate 2, bottom plate 3 and the right side Side plate 4 forms wheel carrier 5 between cover board 1, left plate 2, bottom plate 3 and right side plate 4.
Four groups of cable placing grooves 6 are evenly arranged with along its width direction on bottom plate 3, every group of cable placing groove 6 includes four A cable placing groove 6 being uniformly arranged along 3 length direction of bottom plate.Each cable placing groove 6 includes V-shaped is arranged on bottom plate 3 Two pieces of limit plates 7.Fluted 9 are opened up between two pieces of limit plates 7 on bottom plate 3, is provided with pulley in groove 9, The rotation axis of the pulley is parallel to the width direction of bottom plate 3.Cable in cable placing groove 6 pulley when being laid with can turn It is dynamic, substantially reduce the frictional force that cable is subject to.
Several heat release holes 10 are also provided on bottom plate 3.
The upper end of left plate 2 and right side plate 4 is provided with the flanging 11 outside wheel carrier 5, and flanging 11 is set in the horizontal direction It sets, " Contraband " the shape fitting portion 12 being embedded in for flanging 11 is provided in the left and right sides of cover board 1, when needing to install cover board 1, only Flanging 11 on left side and right side plate 4 need to be embedded in the fitting portion 12 of 1 two sides of cover board, then push lid that lid can be completed The installation of plate 1.
Each constituent and its mass percent of cable testing bridge in the present embodiment are as follows: C:0.15%, Ni:0.91%, Cr: 3.01%, Mg:4.72%, Al:0.34%, Nb:0.18%, Si:0.31%, surplus are Fe and inevitable impurity
The present embodiment additionally provides a kind of preparation method of tray type cable bridge, comprising the following steps:
S1: raw material is proportionally added into smelting furnace, and furnace temperature is adjusted to 1650 DEG C, and raw material is smelted into alloy solution;
S2: alloy solution is poured into electroslag furnace, is passed through argon gas, and refining agent is added, is refined to alloy solution;
S3: alloy solution is cooled down, it is made to be cooled to 1200 DEG C, and rate of temperature fall is 18 DEG C/s, is then rolled, is obtained Steel;
S4: steel are put into annealing furnace, and the temperature of annealing furnace is adjusted to 700 DEG C, are kept the temperature 7h, are then cooled to the furnace It 490 DEG C, is drawn off, is air-cooled to room temperature;
S5: steel are put into normalizing furnace, and the temperature of normalizing furnace is adjusted to 1165 DEG C, are taken out after keeping the temperature 4h, are air-cooled to room temperature;
S6: steel are put into heating furnace, are heated to 915 DEG C, are kept the temperature 2h, are carried out water quenching after taking-up;
S7: steel are put into tempering furnace, and the temperature of tempering furnace is adjusted to 625 DEG C, room temperature is air-cooled to after taking-up;
S8: bending steel, forms cable testing bridge, carries out ultrasonic examination processing to cable testing bridge, after the assay was approved To finished product.
Comparative example: the cable testing bridge of commercially available Tianjin Jiangnan cable testing bridge Co., Ltd production.
Embodiment 1- embodiment 3 and comparative example are subjected to performance comparison test, properties are tested by national standard, are tested Condition and other experimental materials are all the same, and test result is as shown in table 1:
Table 1
As can be seen from Table 1, the cable testing bridge that the embodiment of the present invention is prepared, not only hardness and surrender at high temperature are strong Degree is higher than comparative example, and fatigue ductility index is higher than comparative example, in addition, fire endurance is also above comparative example.It is possible thereby to see Out, tray type cable bridge prepared by the present invention, not only mechanical performance is better than existing cable testing bridge, but also fire resistance is more Excellent, service life extends 15-19% compared to existing cable testing bridge.
In addition to the implementation, the present invention can also have other embodiments;It is all to use equivalent substitution or equivalent transformation shape At technical solution, fall within the scope of protection required by the present invention.

Claims (9)

1. a kind of tray type cable bridge, including cover board (1) and integrally formed left plate (2), bottom plate (3) and right side plate (4), wheel carrier (5) are formed between the cover board (1), left plate (2), bottom plate (3) and right side plate (4), it is characterised in that: described It is evenly arranged with several groups cable placing groove (6) along its width direction on bottom plate (3), the cable placing groove (6) includes V-shaped Two pieces of limit plates (7) being arranged on bottom plate (3).
2. a kind of tray type cable bridge according to claim 1, it is characterised in that: be located at two pieces on the bottom plate (3) It is opened up between limit plate (7) fluted (9), is provided with rolling unit (8) in the groove (9).
3. a kind of tray type cable bridge according to claim 2, it is characterised in that: the rolling unit (8) is pulley.
4. a kind of tray type cable bridge according to claim 1, it is characterised in that: cable placing groove (6) described in every group The cable placing groove (6) being uniformly arranged including several along bottom plate (3) length direction.
5. a kind of tray type cable bridge according to claim 1, it is characterised in that: be also provided on the bottom plate (3) Several heat release holes (10).
6. a kind of tray type cable bridge according to claim 1, it is characterised in that: the left plate (2) and right side plate (4) upper end is provided with the flanging (11) turned down outward, and the two sides of the cover board (1) are provided with for flanging (11) insertion " Contraband " shape fitting portion (12).
7. a kind of tray type cable bridge according to claim 1, it is characterised in that: the cable testing bridge it is each composition at Point and its mass percent are as follows: C:0.12-0.18%, Ni:0.88-0.94%, Cr:2.88-3.34%, Mg:4.68-5.12%, Al: 0.22-0.45%, Nb:0.14-0.22%, Si:0.28-0.34%, surplus are Fe and inevitable impurity.
8. a kind of preparation method of tray type cable bridge as claimed in claim 7, it is characterised in that: the following steps are included:
S1: raw material is proportionally added into smelting furnace, and furnace temperature is adjusted to 1550-1700 DEG C, and raw material is smelted into alloy solution;
S2: alloy solution is poured into electroslag furnace, is passed through argon gas, and refining agent is added, is refined to alloy solution;
S3: alloy solution is cooled down, and so that it is cooled to 1190-1210 DEG C, is then rolled, obtains steel;
S4: steel are put into annealing furnace, and the temperature of annealing furnace is adjusted to 675-740 DEG C, keep the temperature 6-8h, then cold with furnace But it to 500-480 DEG C, is drawn off, is air-cooled to room temperature;
S5: steel are put into normalizing furnace, and the temperature of normalizing furnace is adjusted to 1150-1175 DEG C, are taken out after keeping the temperature 3-5h, air-cooled To room temperature;
S6: steel are put into heating furnace, are heated to 900-930 DEG C, are kept the temperature 1-3h, are carried out water quenching after taking-up;
S7: steel are put into tempering furnace, and the temperature of tempering furnace is adjusted to 600-650 DEG C, is air-cooled to room temperature after taking-up;
S8: bending steel, forms cable testing bridge, carries out ultrasonic examination processing to cable testing bridge, after the assay was approved To finished product.
9. a kind of preparation method of tray type cable bridge according to claim 8, it is characterised in that: alloy in the S3 The rate of temperature fall of solution is higher than 15 DEG C/s.
CN201810939389.4A 2018-08-16 2018-08-16 A kind of tray type cable bridge and preparation method thereof Pending CN109038402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810939389.4A CN109038402A (en) 2018-08-16 2018-08-16 A kind of tray type cable bridge and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810939389.4A CN109038402A (en) 2018-08-16 2018-08-16 A kind of tray type cable bridge and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109038402A true CN109038402A (en) 2018-12-18

Family

ID=64630816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810939389.4A Pending CN109038402A (en) 2018-08-16 2018-08-16 A kind of tray type cable bridge and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109038402A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106756509A (en) * 2016-12-30 2017-05-31 钢铁研究总院 A kind of high-temperature alloy structural steel and its Technology for Heating Processing
CN107189559A (en) * 2017-07-16 2017-09-22 镇江市神龙电器管件有限公司 A kind of cable testing bridge with fire-proof function
CN107761000A (en) * 2017-10-29 2018-03-06 江苏鼎荣电气集团有限公司 A kind of production technology of high radiating cable testing bridge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106756509A (en) * 2016-12-30 2017-05-31 钢铁研究总院 A kind of high-temperature alloy structural steel and its Technology for Heating Processing
CN107189559A (en) * 2017-07-16 2017-09-22 镇江市神龙电器管件有限公司 A kind of cable testing bridge with fire-proof function
CN107761000A (en) * 2017-10-29 2018-03-06 江苏鼎荣电气集团有限公司 A kind of production technology of high radiating cable testing bridge

Similar Documents

Publication Publication Date Title
CN105624550A (en) Large-thickness SA738GrB steel plate for nuclear island equipment and production method thereof
CN105821250A (en) High-strength nickel-base superalloy and manufacturing method thereof
CN102251192A (en) Enamel steel and production method thereof
CN106636883B (en) High life bearing steel and its manufacture method
CN107058883A (en) A kind of brake disc of high-speed train alloy steel material and preparation method thereof
CN107177783B (en) A kind of Ultra-fine Grained martensite ferrite dual phase steel and its production technology with the distribution of bimodal ferrite crystal grain
CN107075640A (en) The manufacture method of non orientation electromagnetic steel plate and non orientation electromagnetic steel plate
CN103320721A (en) Chrome-molybdenum steel plate requiring to keep yield and strength lower limits under thickness stretching and high stretching and production method thereof
CN105861945B (en) A kind of Gao Ge chrome molybdenum steel plate and its production method
CN103334064B (en) Low yield ratio chromium-molybdenum steel plate and production method thereof
CN106756509A (en) A kind of high-temperature alloy structural steel and its Technology for Heating Processing
CN106086652A (en) High strength heat resistant the cold heading steel and production method thereof
CN106906410A (en) A kind of Ultra-low carbon wire rod and its production method with high conductivity
CN109022703A (en) A kind of non-orientation silicon steel that magnetic anisotropy is low and its manufacturing method
CN102808111A (en) Preparation method for nickel-based superalloy for exhaust valve
CN104988382B (en) Nodular cast iron gearbox and its manufacture method with ultralow temperature high impact toughness
CN105112807A (en) High-strength bridge cable steel with pearlite inter-lamellar spacing smaller than 150nm and production method
CN108588555B (en) Alloy steel for overhead conductor, preparation method of alloy steel and overhead conductor
CN108747084A (en) A kind of welding wire for submerged-arc welding and preparation method thereof
CN107868919A (en) A kind of resistance to hydrochloric acid and sulfuric acid corrosion steel and preparation method thereof
CN104928577A (en) Steel plate with high hole expansion rate and excellent enameling performance and manufacturing method thereof
CN108396239A (en) A kind of high-carbon steel wire rod and its production method for fine drawing
CN105970084A (en) Tension clamp and preparation method thereof
CN109038402A (en) A kind of tray type cable bridge and preparation method thereof
CN108193138A (en) 980MPa grades of automobile cold-rolled high-strength Q&P steel and its production method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181218

RJ01 Rejection of invention patent application after publication