CN208680738U - A kind of train wheel die holder welder - Google Patents
A kind of train wheel die holder welder Download PDFInfo
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- CN208680738U CN208680738U CN201821515248.1U CN201821515248U CN208680738U CN 208680738 U CN208680738 U CN 208680738U CN 201821515248 U CN201821515248 U CN 201821515248U CN 208680738 U CN208680738 U CN 208680738U
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- die holder
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- train wheel
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- heating mechanism
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Abstract
The utility model discloses a kind of train wheel die holder welders, it includes welding gun, die holder rotary support, ring shaped heating mechanism, slewing and die holder support base；The ring shaped heating mechanism is fixed on the top of die holder rotary support by heater holder；The slewing is fixed at the center position at the top of die holder rotary support, and top is provided with die holder support base, which is located at below ring shaped heating mechanism center；The welding gun is arranged at ring shaped heating mechanism position.Using the utility model can Rapid Implementation complete train wheel die holder contact surface abrasion REPAIR WELDING, saved rolling time, reduced purchase cost, reduce long-time shutdown loss, provided guarantee for the rationally group production various domestic and international wheels of Rolling production.
Description
Technical field
The utility model belongs to machinery field, is related to die holder welder, in particular to a kind of train wheel die holder welding
Device.
Background technique
Horse steel wheel company is the important train wheel production base in China, is the wheel manufacturing enterprise of Fia,
It is the domestic enterprise that can uniquely produce 120Km/h or more speed class wheel of passenger vehicle, heavy-duty wheel research and development have reached international advanced
It is horizontal.The said firm shares two wheel production lines at present, and annual capacity 800000, three line of wheel rolling is built in October, 2008
At operation, be process is most short in the world so far, automated information degree highest, professional strongest wheel production line it
One, the core process for producing wheel is exactly that the red steel of heating is transmitted to above next procedure wheel die holder by manipulator, so
It is rolled afterwards by ten thousand tons of hydraulic presses, die holder is as the important spare part during wheel compacting, in wheel die and pressure wheel
Play a part of transition connector between power machine moved cross beam, bears ten thousand tons of workload in production, it is huge due to undertaking
Draught pressure, die holder after a period of use, destroyed, as shown in Figure 4 by the mating surface between mold and moved cross beam
Wear surface 14, influence wheel product rolling quality, if replacement one new die holder not only need million yuan of spare part expenses, Er Qieyin
Without spare part, the buying processing new spare part period is long, certainly will influence to produce.Therefore, in order to resume production as early as possible, need to design simple dress
Abrasion surface build-up welding and heat treatment process based on different base materials are set and are formulated and optimized, the tackling key problem of die holder REPAIR WELDING is carried out, it is ensured that
The die holder of abrasion can economy, safety, reuse to reliability.
Currently, various die holder REPAIR WELDING applications are more universal, there is narration in many documents, but be directed to a kind of train vehicle
Wheel die holder REPAIR WELDING is also more rare, and train wheel die holder REPAIR WELDING Major Difficulties are to complete to die holder position to be welded
Heating, operation, heat preservation etc. are after welding procedures, it is ensured that whole die holder will not recurring structure deformation, not other groups of influence of rolled
Component cooperates the precision installation of die holder and interior tissue to generate various performances not up to standard.In addition, the die holder of heap postwelding meets machine
Tool processing, which reaches, meets operating size, and surface cannot have any welding defect to avoid subsequent affect quality operation cycle.
Utility model content
The characteristics of for train wheel die holder contact surface abrasion weldability, the utility model designs and produces a set of train wheel
Die holder contact surface abrasion welder is simultaneously worked out renovation technique and is implemented, and by welding verifying, can Rapid Implementation complete
Train wheel die holder contact surface abrasion REPAIR WELDING has saved rolling time, reduces purchase cost, reduces and shuts down damage for a long time
It loses, produces the various domestic and international wheels of Rolling production for rationally group and provide guarantee.
The technical solution that the utility model solves technical problem is as follows:
A kind of train wheel die holder welder of the utility model, characterized in that including welding gun, die holder rotary support, ring
Shape heating device, slewing and die holder support base；The ring shaped heating mechanism is fixed on die holder by heater holder
The top of rotary support；The slewing is fixed at the center position at the top of die holder rotary support, top setting
There is die holder support base, which is located at below ring shaped heating mechanism center；The welding gun is arranged in annular-heating
At setting position.
As the further improvement of technical solution, the top of the heater holder and the welding of ring shaped heating mechanism bottom are solid
It is fixed, between its underpart and die holder rotary support can the connection of up and down adjustment formula, be provided with limited block on the heater holder.
As the further improvement of technical solution, if the ring shaped heating mechanism include gas pipeline, circulating line and
Dry combustion method mouth；The gas pipeline is connected with circulating line, and the burner is uniformly arranged on the inside of circulating line.
As the further improvement of technical solution, gas pressure regulating valve is provided on the gas pipeline.
As the further improvement of technical solution, insulating layer is additionally provided on the inside of circulating line.
As the further improvement of technical solution, the center position of the die holder support base is provided with central ejector rod.
Another technical solution of the utility model solution technical problem are as follows:
A kind of train wheel die holder renovation technique of the train wheel die holder welder described by adopting the above technical scheme, packet
Include following steps:
Step 1: welding preparation:
1.1), welding equipment prepares；Totally two kinds of welding equipment, first is that digitized pulse gas shielded welding machine, straight polarity direct current,
Mating welding material selects flux-cored wire, and protective gas selects the carbon dioxide of purity >=99.8%；Second is that Digital Control is inverse
Variant Manual direct current welding machine, mating selection of electrodes E5015 welding rod, constant temperature after baking are on-demand；
1.2) it, determines that die holder needs welding position region and carry out degreasing, moisture and oxide layer to the region to handle, first uses
Oxyacetylene torch degreases and moisture, then is derusted with emery cloth or mill nitre abrasive machine polishing；
1.3), 1.2) die holder will be processed in be placed on die holder support base, by digitized pulse gas shielded welding machine
Welding gun needs welding position region to fix as fixed welding gun in die holder；
1.4) technological parameter of die holder welding, is determined according to the welding equipment and mating welding material that determine in 1.1)；
1.5) auxiliary equipment needed for, preparing welding；
Step 2: preheating and welding；
2.1), lead to combustion gas to gas pipeline, be preheated to die holder on the outside of die holder using each burner of ring shaped heating mechanism
150 DEG C~200 DEG C；
2.2), because the welding position region that needs of die holder is welding ring-shaped fillet weld, gradually upward welding manner, starting rotate for use
Equipment simultaneously adjusts its rotation direction and speed, so that the running speed for the die holder placed thereon and preset speed of welding phase
Match, then carrying out die holder by fixed welding gun needs welding position sections bottom prime coat welded clockwise, the angle of welding gun when welding
The fusion for meeting die holder wear surface bottom and side, using the middle equal arc length of oblique triangle manipulation of electrode short arc or 15~22mm,
The width of weld seam is 8~10mm, and prime coat weld seam terminates after being end-to-end, and closes slewing, is cleared up and check weld seam
Whether there is or not welding defects, and the welding defects such as crackle, stomata, are mended after carrying out back chipping using plasma (orifice) gas slicing cutting mill if it exists
Weldering, welding repair welding use stick electrode arc welding, by Digital Control contravariant craft DC welder using E5015 welding rod into
Row repair welding, when repair welding, keep interlayer temperature, check again for weld seam after repair welding, it is ensured that welding defect；
2.3) welding for, carrying out two layers and the above overlay cladding using slewing again makees the anti-moon by fixed welding gun
Equal arc length carries out the welding of each overlay cladding in thread form manipulation of electrode short arc or 15~22mm, it is ensured that and each overlay cladding is maintained at 8~
10mm width, when carrying out fillet weld built-up welding, it is ensured that the wear surface of overlay cladding and die holder is fused, in welding process, each built-up welding
Layer is both needed to carry out weld defect inspection after being end-to-end, if it exists the welding defects such as crackle, stomata, using plasma (orifice) gas slicing
Cutting mill carries out repair welding after carrying out back chipping, and welding repair welding uses stick electrode arc welding, straight by hand by Digital Control contravariant
Fluid welding machine carries out repair welding using E5015 welding rod, and when repair welding keeps interlayer temperature, checks again for weld seam after repair welding, it is ensured that welding
Defect；
2.4) welding of top cover surface layer, is carried out, passes through fixed welding gun welding using slewing, weld width is 15~
20mm, weld seam need to cover overlay cladding and die seat body, then carry out comprehensive Welding Testing, directly observe or with 3-4 times
After magnifying glass searches qualification, after confirmation is without any welding defect, fixed welding gun is removed；
Step 3: after welding treatment；
3.1) it, is again started up ring shaped heating mechanism to continue after carrying out being warming up to 350 DEG C~450 DEG C to whole die holder, with guarantor
Warm cotton is wrapped up and is cooled to room temperature after covering die holder；
3.2) soldered whole die holder is machined by lathe, reaches fitted position.
As the further improvement of technical solution, the digitized pulse gas shielded welding machine is mating straight with flux-cored wire
Diameter is 1.2mm, and when prime coat welds, welding current is 260~280A, and arc voltage is 26~28V, deposition rate 90g/
Min, when overlay cladding and capping layer weld, welding current is 280~320A, and arc voltage is 28~32V, deposition rate is 90~
140g/min；The E5015 core diameter of the mating selection of electrodes of Digital Control contravariant craft DC welder be 3.2mm and
4.0mm, it is used as needed using constant temperature after first 350 °~400 ° baking 2h, in prime coat repair welding, using diameter 3.2mm's
E5015 welding rod, welding current be 120~180A, arc voltage be 23 ± 1V, speed of welding be 15 ± 1cm/min, overlay cladding and
When capping layer repair welding, using the E5015 welding rod of diameter 4.0mm, welding current is 180~220A, and arc voltage is 26 ± 1V,
Speed of welding is 17 ± 1cm/min.
As the further improvement of technical solution, utilize each burner of ring shaped heating mechanism from die holder in the step 2.1)
When outside preheats die holder, rate of rise in temperature is 50 ° DEG C/h；Ring shaped heating mechanism continuation is again started up in the step 2.5)
When heating up to whole die holder, rate of rise in temperature is 150 ° DEG C/h.
As the further improvement of technical solution, the prime coat, each overlay cladding and capping layer are distinguished by welding sequence
It is mutually staggered in weld start position.
Compared with the existing technology, train wheel die holder welder described in the utility model, structure is simple, it is novel,
Practical, renovation technique, not only safety is easy to operate, and welding quality stable, investment cost are lower, meets live actual demand,
Work efficiency is high, and greatly reduces maintenance cost, reduces wheel rolling shutdown loss, is reasonable various specifications wheel group
Production provides guarantee, and a kind of train wheel die holder welder of the utility model and renovation technique can be the wheel researched and developed from now on
Dedicated die holder reparation provides scientific reference frame.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
Fig. 1 is the structural schematic diagram of train wheel die holder welder described in the utility model；
Fig. 2 is the structural schematic diagram of ring shaped heating mechanism described in the utility model；
Fig. 3 is the structural schematic diagram of die holder rotary support described in the utility model and slewing；
Fig. 4 is the structural schematic diagram of die holder in the utility model；
Fig. 5 is the schematic diagram of overlay cladding in the utility model；
Fig. 6 is welding direction schematic diagram in the utility model；
In figure: 1. die holder rotary support, 2. ring shaped heating mechanism, 3. slewing, 4. die holder support base, 5. central ejector rod
6. 11. burner of welding gun 7. heater holder, 8. limited block, 9. gas pipeline, 10. circulating line, 12. gas pressure regulating valve
13. 14. wear surface of die holder.
Specific embodiment
Embodiment 1:
As shown in Figures 1 to 4, a kind of train wheel die holder welder of the utility model, it includes die holder rotary support
1, ring shaped heating mechanism 2, slewing 3 and die holder support base 4 and welding gun 6；The ring shaped heating mechanism 2 include gas pipeline 9,
Circulating line 10 and several burners 11；The gas pipeline 9 is connected with circulating line 10, and the burner 11 is uniformly arranged on
The inside of circulating line 10；The ring shaped heating mechanism 2 is fixed on the upper of die holder rotary support 1 by heater holder 7
Side；The top of the heater holder 7 is welded and fixed with 2 bottom of ring shaped heating mechanism, for the bottom convenient for ring shaped heating mechanism 2
With the connection of heater holder 7, one piece of compatible annular slab can be fixedly installed in 10 bottom of circulating line, then by the annular slab
It is welded and fixed with heater holder 7, stability when ensuring the assembling of ring shaped heating mechanism 2 and use, die holder is run through in its underpart
The top of rotary support 1 and between the top of die holder rotary support 1 can up and down adjustment formula connect, be arranged on the heater holder 3
There is limited block 8, setting in this way can be in use, convenient stretch out die holder rotary support 1 by adjusting 7 bottom end of heater holder
The height of burner 11 in distance setting ring shape heating device 2 meets the needs of 13 different height position of die holder heating, limited block 8
Position-limiting action is carried out after adjusting height upward or downward for heater holder 7；The slewing 3 is fixed at die holder
The center position at 1 top of rotary support, the slewing 3 have shaft, are provided at the top of shaft for placing die holder 13
Die holder support base 4, the die holder support base 4 are located at below 2 center of ring shaped heating mechanism, the center of die holder support base 4
Place is provided with central ejector rod 5, for fixing to die holder 13；The welding gun 6 is arranged in 2 position of ring shaped heating mechanism
Place.In the present embodiment, slewing 3 can be variable-frequency motor or similar means, and adjustable rotational speed is to meet not when practical application
With the requirement of speed of welding.
In the present embodiment, for convenience of the size that burner 11 jets out flames is controlled, gas pressure is provided on the gas pipeline 9
Force regulating valve 12 adjusts the pressure of combustion gas and the size of ventilatory capacity in pipeline by the gas pressure regulating valve 12, to reach mould
13 different demand for heat of seat.
In the present embodiment, insulating layer is additionally provided on the inside of circulating line 10, setting insulating layer mainly prevents burning from generating heat
Amount scatters and disappears and ensures the uniform of heat at heating.
Train wheel die holder welder described in the present embodiment rotates branch in die holder in application, fixed die holder rotary support 1
Slewing 3 is installed, the top setting die holder support base 4 of slewing 3 simultaneously supports die holder 13, in die holder rotary support on seat 1
Heater holder 7 is installed on 1 top, fixes limited block 8 after adjusting height, ring is welded and fixed on 7 top of heater holder
Then shape heating device 2 connects gas pipeline 9 and gas pressure-regulating valve 12, finally in die holder 13 on ring shaped heating mechanism 2
The fixed welding gun 6 in position to be welded, welding gun 6 can be fixed on ring shaped heating mechanism 2 by connector, also can be set matched
Bracket is fixed.
Embodiment 2:
As shown in Figures 1 to 6, the utility model is a kind of using train wheel die holder welder described in embodiment 1
Train wheel die holder renovation technique, 13 material of die holder are Z35# steel, and welding technique requires to be that overlay cladding fuses base material, and soldered is not
There must be any welding defect, the technique includes the following steps:
Step 1: welding preparation:
1.1), welding equipment prepares；Totally two kinds of welding equipment, first is that Nb-500P digitized pulse gas shielded welding machine, directly
Stream just connects, and mating welding material selects SWE71.1 φ 1.2mm flux-cored wire, and protective gas selects the dioxy of purity >=99.8%
Change carbon；Second is that HT400D Digital Control contravariant craft DC welder, mating selection of electrodes E5015 φ 3.2mm, φ 4.0mm
Welding rod, constant temperature after 350 DEG C~400 DEG C baking 2h are on-demand；
1.2) it, determines that die holder needs welding position region and carry out degreasing, moisture and oxide layer to the region to handle, first uses
Oxyacetylene torch degreases and moisture, then is derusted with emery cloth or mill nitre abrasive machine polishing；
1.3), 1.2) die holder 13 will be processed in be placed on die holder support base 4, by digitized pulse gas shielded welding machine
Welding gun need welding position region to fix in die holder as fixed welding gun；
1.4) technological parameter of die holder welding, is determined according to the welding equipment and mating welding material that determine in 1.1)；Weldering
It is as shown in the table to connect technological parameter:
Carbon dioxide gas arc welding
Stick electrode arc welding
1.5) auxiliary equipment needed for, preparing welding, such as insulation barrel, template, temperature measurer, magnifying glass, heat-preservation cotton.Mask,
Gloves, clinker clearing hammer, hammer, chisel, file, wire brush, sand paper, straight steel ruler, horizontal ruler, monkey spanner, straight grinder, angular grinding
Machine.Cutting pliers, hacksaw blade, labour protection articles for use (work clothes, shoes, cap, goggles)；
Step 2: preheating and welding；
2.1), lead to combustion gas to gas pipeline 9, combustion gas can be coal gas, natural gas etc., and the present embodiment is added using gas-fired
Die holder 13 is preheated to 150 DEG C~200 DEG C from 13 outside of die holder using each burner 11 of ring shaped heating mechanism 2 by hot mode；It examines
Considering train wheel die holder is a kind of large-scale steel-casting, and tackling key problem welding concentrated wear surface build-up welding welds particularity, first layer backing welding
Using the ring shaped heating mechanism 2 of special work before connecing, heated by gas temperature change is adjusted by gas pressure regulating valve 12, because of die holder
13 cooperation wear surface is welded on inboard, therefore ring shaped heating mechanism 2 is fixed on to the outside of die holder 13, the temperature of burner heating
For degree uniformly by transferring heat to inboard outside, preheating temperature is set as 150~200 DEG C, and when preheating makes every effort to temperature and rises uniform 50 DEG C/h,
To avoid non-uniform high-temperature heating, cause to generate micro-crack inside whole die holder large-scale steel-casting base material, because preheating is whole
Die holder heating, can reduce local temperature difference stress in this way, improve interior tissue, prevent or reduce hardened structure；
2.2), because the welding position region that needs of die holder 13 is welding ring-shaped fillet weld, use gradually upward welding manner, the bottom
It is overlay cladding and capping layer above prime coat for prime coat, in the present embodiment, die holder 13 welds 6 layers, respectively prime coat altogether
1 ', 2 ' of overlay cladding, 3 ', 6 ' of 4 ', 5 ' and capping layer can be according to the practical feelings in 13 Innerside wear face of die holder in actual application
Condition determines the number of plies for needing to weld, and starts slewing 3 and adjusts its rotation direction and speed, so that the die holder placed thereon
13 running speed matches with preset speed of welding, and then carrying out die holder 13 by fixed welding gun needs welding position sections bottom
1 ' welded clockwise of prime coat, electric current is slightly bigger when welding, and the angle of welding gun will meet 13 wear surface bottom of die holder and side
Fusion, weld seam is unsuitable blocked up, and using the middle equal arc length of oblique triangle manipulation of electrode short arc or 15~22mm, the width of weld seam is 8
~10mm, welding parameter can be configured by Nb-500P digitized pulse gas shielded welding machine, and 1 ' weld seam of prime coat terminates head
After tail connection, slewing 3 is closed, carry out cleaning and has welding by angle grinder polishing and 3-4 times of lens examination weld seam
Defect, the welding defects such as crackle, stomata, carry out repair welding after carrying out back chipping using plasma (orifice) gas slicing cutting mill, welding is mended if it exists
Weldering uses stick electrode arc welding, carries out repair welding using E5015 welding rod by Digital Control contravariant craft DC welder, mends
Interlayer temperature is kept when weldering, interlayer temperature is preferably equal to preheating temperature, checks again for weld seam after repair welding, it is ensured that welding lacks
It falls into；
2.3) welding for, carrying out overlay cladding 2 ', 3 ', 4 ', 5 ' using slewing 3 again makees the anti-moon by fixed welding gun
Equal arc length successively carries out the welding of overlay cladding 2 ', 3 ', 4 ', 5 ' in thread form manipulation of electrode short arc or 15~22mm, it is ensured that each overlay cladding
It is maintained at 8~10mm width, when carrying out fillet weld built-up welding, it is ensured that the wear surface of each overlay cladding and die holder 13 is fused, welds
Cheng Zhong, each overlay cladding are both needed to carry out weld defect inspection after being end-to-end, and are especially end-to-end and locate to grind using angle
Machine polishing checks that the welding defects such as crackle, stomata, carry out repair welding after carrying out back chipping using plasma (orifice) gas slicing cutting mill if it exists,
It welds repair welding and uses stick electrode arc welding, carried out by Digital Control contravariant craft DC welder using E5015 welding rod
Repair welding, when repair welding, keep interlayer temperature, check again for weld seam after repair welding, it is ensured that welding defect；
2.4) 6 ' of top cover surface layer welding, is carried out, passes through fixed welding gun welding, weld width 15 using slewing 3
~20mm, weld seam need to cover overlay cladding and die seat body, then carry out comprehensive Welding Testing, directly observe or with 3-4 times
Magnifying glass search it is qualified after, after confirmation is without any welding defect, remove fixed welding gun；
Step 3: after welding treatment；
3.1) ring shaped heating mechanism 2, is again started up to continue that whole die holder is carried out to be warming up to 350 DEG C~450 DEG C, in temperature
Lifting speed makes every effort to be maintained at 150 °/h, to reduce hardenability, avoids embrittlement, eliminates welding stress, finally wrapped up with heat-preservation cotton
And it is cooled to room temperature after covering die holder；
3.2) soldered whole die holder is machined by lathe, fitted position is reached, by existing
The practical template inspection and acceptance in field, which complies fully with whole die holder and other rolling sub-assemblies and the requirement and delivery of die holder installation, to be made
With.
In the present embodiment, when the mating flux-cored wire prime coat of digitized pulse gas shielded welding machine welds, welding electricity
Stream is 260~280A, and arc voltage is 26~28V, deposition rate 90g/min, when overlay cladding and capping layer weld, welding electricity
Stream is 280~320A, and arc voltage is 28~32V, and deposition rate is 90~140g/min；Digital Control contravariant is manual
In prime coat repair welding, using the E5015 welding rod of diameter 3.2mm, welding current is the mating welding rod E5015 welding rod of DC welder
120~180A, arc voltage is 23 ± 1V, when speed of welding is 15 ± 1cm/min, overlay cladding and capping layer repair welding, using straight
The E5015 welding rod of diameter 4.0mm, welding current are 180~220A, and arc voltage is 26 ± 1V, and speed of welding is 17 ± 1cm/
min。
As shown in fig. 6, the prime coat, each overlay cladding and capping layer are being welded respectively by welding sequence in the present embodiment
It connects initial position to mutually stagger, avoids the joint of each welding layer from concentrating at one, influence REPAIR WELDING effect.
The above is only the preferred embodiments of the utility model, and but protection scope of the utility model is not limited thereto, appoint
What those familiar with the art within the technical scope disclosed by the utility model, the variation that can readily occur in or replaces
It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with claim
Subject to the protection scope defined.
Claims (6)
1. a kind of train wheel die holder welder, including welding gun (6), characterized in that further include die holder rotary support (1), ring
Shape heating device (2), slewing (3) and die holder support base (4)；The ring shaped heating mechanism (2) passes through heater holder (7)
It is fixed on the top of die holder rotary support (1)；The slewing (3) is fixed at the top of die holder rotary support (1)
Center position, top be provided with die holder support base (4), which is located at ring shaped heating mechanism (2) center
Below position；The welding gun (6) is arranged at ring shaped heating mechanism (2) position.
2. a kind of train wheel die holder welder according to claim 1, characterized in that the heater holder (7)
Top be welded and fixed with ring shaped heating mechanism (2) bottom, between its underpart and die holder rotary support (1) can up and down adjustment formula connect
It connects, is provided with limited block (8) on the heater holder (7).
3. a kind of train wheel die holder welder according to claim 1 or 2, characterized in that the annular-heating dress
Setting (2) includes gas pipeline (9), circulating line (10) and several burners (11)；The gas pipeline (9) and circulating line
(10) it is connected, the burner (11) is uniformly arranged on the inside of circulating line (10).
4. a kind of train wheel die holder welder according to claim 3, characterized in that on the gas pipeline (9)
It is provided with gas pressure regulating valve (12).
5. a kind of train wheel die holder welder according to claim 3, characterized in that on the inside of circulating line (10) also
It is provided with insulating layer.
6. a kind of train wheel die holder welder according to claim 1, characterized in that the die holder support base (4)
Center position be provided with central ejector rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515248.1U CN208680738U (en) | 2018-09-17 | 2018-09-17 | A kind of train wheel die holder welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515248.1U CN208680738U (en) | 2018-09-17 | 2018-09-17 | A kind of train wheel die holder welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208680738U true CN208680738U (en) | 2019-04-02 |
Family
ID=65888749
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821515248.1U Expired - Fee Related CN208680738U (en) | 2018-09-17 | 2018-09-17 | A kind of train wheel die holder welder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014518A (en) * | 2018-09-17 | 2018-12-18 | 安徽马钢设备检修有限公司 | A kind of train wheel die holder welder and renovation technique |
| CN110270742A (en) * | 2019-07-16 | 2019-09-24 | 中国能源建设集团山西电力建设有限公司 | Weld the gas supply welding mechanism and its construction method of all steel indirect cool tower tripod girder steel |
| RU2794078C1 (en) * | 2022-05-06 | 2023-04-11 | федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) | Method for restoring a working engraving of a punching tool |
-
2018
- 2018-09-17 CN CN201821515248.1U patent/CN208680738U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014518A (en) * | 2018-09-17 | 2018-12-18 | 安徽马钢设备检修有限公司 | A kind of train wheel die holder welder and renovation technique |
| CN109014518B (en) * | 2018-09-17 | 2023-09-12 | 安徽马钢设备检修有限公司 | Welding device and repairing process for train wheel die holder |
| CN110270742A (en) * | 2019-07-16 | 2019-09-24 | 中国能源建设集团山西电力建设有限公司 | Weld the gas supply welding mechanism and its construction method of all steel indirect cool tower tripod girder steel |
| RU2794078C1 (en) * | 2022-05-06 | 2023-04-11 | федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) | Method for restoring a working engraving of a punching tool |
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Granted publication date: 20190402 |