CN214769576U - Large-scale black gold bearing bush surface soldering device - Google Patents
Large-scale black gold bearing bush surface soldering device Download PDFInfo
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- CN214769576U CN214769576U CN202121342982.4U CN202121342982U CN214769576U CN 214769576 U CN214769576 U CN 214769576U CN 202121342982 U CN202121342982 U CN 202121342982U CN 214769576 U CN214769576 U CN 214769576U
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Abstract
The utility model discloses a large-scale black gold bearing bush surface welding device, which comprises a rotating frame base and a rotating bracket which is rotatably arranged on the rotating frame base; the rotary support comprises two wheel bodies which are arranged in a bilateral symmetry mode, a half-moon-shaped frame is connected and arranged between the two wheel bodies, and the front end and the rear end of the half-moon-shaped frame are symmetrically provided with bearing bush anti-falling devices respectively. The utility model discloses mainly to the wear and tear of the gilt layer at current large-scale gilt axle bush, drop and the difficult defect of repairing of local fracture, can weld repair the restoration to all kinds of problems on gilt axle bush surface after using, reduce purchasing cost, reduce long-time process and shut down the loss, provide the guarantee for reasonable group's production.
Description
Technical Field
The utility model belongs to the technical field of the welding, a large-scale gold shoe surface soldering device is related to.
Background
The wheel band rolling mill is used for rolling wheel band flange, its main driving system is formed from main motor, main speed reducer, main driving shaft, bevel gear and large and small spur gears, and can be used for respectively driving main roller vertical shaft and horizontal roller to make them rotate, in which the small spur gear is mounted on the main driving shaft, and its meshed large spur gear is mounted on the horizontal roller shaft, and a pair of mutually-meshed large and small spur gears can be used for matching rotating speed and transferring torque when the wheel band rolling mill is worked. The large main drive shaft of the core is fixed through infrastructure, is matched and installed on the black gold bearing bush to operate, and operates under the action of load for a long time and conveying oil pipes are unsmooth along with the increase of the working time of the wheel band rolling mill, so that abrasion, local cracking and falling of a black gold layer 32 (shown in figure 4) on the surface of the black gold bearing bush of the large main drive shaft which operates in a matching mode are caused, the operation precision of a shaft system is influenced, and larger vibration and noise are generated when the wheel band rolling mill operates.
If the black gold bearing bush is completely and integrally replaced, a large amount of spare part cost is required, an enterprise generally does not have new spare parts, the period for purchasing and processing the new spare parts is long, and production is influenced. In order to recover production as soon as possible, a simple surface welding repair device of the black-gold bearing bush needs to be designed, a repair process based on base metal alloy needs to be formulated and perfected, the large-scale welding repair of the black-gold bearing bush surface defects is carried out, and the large-scale black-gold bearing bush with the surface defects can be reused economically, safely and reliably. In addition, the main difficulty of welding and repairing the surface of the large-scale black gold bearing bush is as follows: 1. because the melting point of the black-gold body is low and the gas welding operation molten pool is difficult to control, the repair of any defect on the surface of the black-gold bearing bush must be in a horizontal position for welding. 2. Because the black-gold bearing bush is a composite layer and is divided into a base material and a black-gold layer, the black-gold bearing bush is integrally cast by adopting the original process, and the fallen black-gold is firmly fused on the base material at present, so that the black-gold is difficult to be combined with the base material by directly performing repair welding on the black-gold.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wear and tear of the wujin layer to large-scale wujin axle bush in the background art, drop and the difficult defect of repairing of local fracture, the utility model provides a large-scale wujin axle bush surface soldering device and repair technology can carry out the soldering to all kinds of problems on wujin axle bush surface and repair, reduces purchasing cost, reduces long-time process and shuts down the loss, provides the guarantee for reasonable group's production.
The utility model provides a technical problem's technical scheme as follows:
the utility model relates to a large-scale black gold bearing bush surface welding device, which comprises a rotating frame base and a rotating bracket which is rotatably arranged on the rotating frame base; the rotary support comprises two wheel bodies which are arranged in a bilateral symmetry mode, a half-moon-shaped frame is connected and arranged between the two wheel bodies, and the front end and the rear end of the half-moon-shaped frame are symmetrically provided with bearing bush anti-falling devices respectively.
Further, the rotating frame base comprises a base frame, arc-shaped wheel seats are symmetrically arranged at the tops of two sides of the base frame respectively, and arc-shaped grooves are formed in the inner sides of the arc-shaped wheel seats respectively; two wheel bodies of the rotating support correspond to the two arc-shaped wheel seats respectively, an annular bulge matched with the arc-shaped groove is arranged on the outer side of each wheel body, and each annular bulge is arranged in the corresponding arc-shaped groove.
Furthermore, a rotary crank is arranged on the outer side of one of the wheel bodies.
Furthermore, axle bush dropout prevention means is including fixed the dropout prevention base that sets up on half moon frame, has evenly seted up a plurality of locking screw on this dropout prevention base, is provided with locking screw in every locking screw.
The utility model relates to a large-scale gold shoe surface repair welding repair technology, the gold shoe includes substrate and sets up the gold layer in the substrate outside, through above-mentioned technical scheme a large-scale gold shoe surface repair welding device wear and tear, local fracture and the position that drops of the gold shoe layer of gold shoe carry out repair welding repair, the step is as follows:
firstly, preparing welding;
1.1), welding equipment: HT400D digital control inversion type manual direct current argon arc welding machine, direct current is reversely connected, and welding materials adopt aluminum bronze welding rods; oxygen-acetylene gas welding, wherein the welding material adopts Babbitt alloy;
1.2), oil stains, oxide layers, moisture and the like cannot be generated in a welding position area and a welding material, and metallic luster needs to be exposed;
1.3), welding technical requirements: the base material and the red copper combined nail are firm, the overlaying layer is fused with the base material, and the welding seam cannot have any welding defects;
1.4), weldment material: base material 35#, babbitt;
1.5), welding position: horizontally welding, and adjusting through a rotating bracket;
1.6), auxiliary facilities: the device comprises a heat-insulating barrel, a sample plate, a temperature measuring instrument, a magnifier, a mask, gloves, a slag removing hammer, a chisel, a file, a steel brush, abrasive paper, a steel ruler, a horizontal ruler, a movable spanner, a straight grinder, an angle grinder, a wire pliers, a steel saw blade and labor protection articles;
1.7), welding process parameters: determining welding parameters according to welding equipment, welding wire specifications and welding requirements;
secondly, welding and repairing;
2.1), placing the black gold bearing bush to be repaired in the half-moon-shaped frame of the large-scale black gold bearing bush surface welding device, and locking the black gold bearing bush by the bearing bush anti-falling device;
2.2) repairing the worn position of the black gold layer by welding; before welding, a manual straight grinding machine is adopted to grind the worn position and clean the surface of the grinded black gold layer, so as to ensure no oil stain; then, matching manual oxy-acetylene gas welding with a Babbitt metal welding wire with the diameter of 3.0mm, wherein a welding gun is H01-300 type, a flame core is carbonized flame, firstly, filling and surfacing welding of a bottom layer is carried out by using a welding nozzle No. 01, and then, welding repair of a cover layer is carried out by using a welding nozzle No. 03; after the welding and surfacing of the worn part is finished, directly knocking the surface by a small hammer and enabling the surface to be fully covered with pits, wherein the lowest point of each pit is higher than the surface of the black gold layer, and enough margin is reserved for facilitating processing;
2.3) repairing and welding the local shedding position of the black gold layer; firstly, manufacturing a plurality of red copper binding nails according to the thickness of the black gold layer and the area of the local falling position of the black gold layer, wherein the red copper binding nails are made of red copper and are in cylindrical structures, and the height of the red copper binding nails does not exceed the thickness of the black gold layer; before welding, grinding the irregular black gold layer by a manual straight grinding machine, grinding the base material at the position where the black gold layer falls into a square or round shape according to different falling shapes, and then cleaning the welding position to ensure that no oil stain exists; welding red copper binding nails on a base material at the position where the wu-gold layer falls off in a segmented sequencing manner by manual welding rod arc welding, ensuring that enough space is filled between the red copper binding nails to fill the wu-gold, inspecting a welding line through visual inspection and a magnifying glass of 5 times after welding is finished, applying a hammer to knock to judge whether the strength is met, and after firm connection is confirmed, polishing each welded red copper binding nail into a coarse shape with a pointed upper head and a thick lower head by a manual straight grinding machine to meet the binding strength and facilitate fusion of the wu-gold layer; then, matching manual oxy-acetylene gas welding with a Babbitt metal welding wire with the diameter of 3.0mm, wherein a welding gun is H01-300 type, a flame core is carbonized flame, firstly, filling and surfacing welding of a bottom layer is carried out by using a welding nozzle No. 01, and then, welding repair of a cover layer is carried out by using a welding nozzle No. 03; after the welding and surfacing of the worn part is finished, directly knocking the surface by a small hammer and enabling the surface to be fully covered with pits, wherein the lowest point of each pit is higher than the surface of the black gold layer, and enough margin is reserved for facilitating processing;
2.4) welding repair of local cracking positions of the black gold layer; before welding, a manual angle grinder is adopted to cut the cracks and then process the cracks into V-shaped or U-shaped grooves, and then the positions of welding repair are cleaned to ensure that no oil stains exist; then, matching manual oxy-acetylene gas welding with a Babbitt metal welding wire with the diameter of 3.0mm, wherein a welding gun is H01-300 type, a flame core is carbonized flame, firstly, filling and surfacing welding of a bottom layer is carried out by using a welding nozzle No. 01, and then, welding repair of a cover layer is carried out by using a welding nozzle No. 03; after the welding and surfacing of the worn part is finished, directly knocking the surface by a small hammer and enabling the surface to be fully covered with pits, wherein the lowest point of each pit is higher than the surface of the black gold layer, and enough margin is reserved for facilitating processing;
2.5) after all welding is finished and no defect is detected, manually grinding the welding supplement position, processing the welding supplement position to be in accordance with the use size, and carrying out rolling inspection and acceptance through a field physical die, and delivering for use after the welding supplement position is in accordance with the process requirements completely.
Compared with the prior art, a large-scale gold shoe surface soldering device, its novel in design is reasonable, the structure is succinct, the preparation is convenient, easy operation is practical, cooperate corresponding repair technology, can effectively restore droing, local wearing and tearing of large-scale alloy axle bush, reduce purchasing cost, reduce long-time process and shut down the loss, provide the guarantee for reasonable group's product.
Drawings
FIG. 1 is a schematic structural view of a large-scale shoe bush surface welding device of the present invention;
fig. 2 is a schematic structural view of a base of the swivel stand of the present invention;
fig. 3 is a schematic structural view of a rotating bracket according to the present invention;
FIG. 4 is a schematic structural view of a bearing bush of the present invention;
in the figure: 1. a rotating frame base; 11. a base frame; 12. an arc-shaped wheel seat; 13. an arc-shaped groove; 2. rotating the bracket; 21. a wheel body; 22. an annular projection; 23. a half-moon shaped frame; 24. an anti-drop base; 25. locking the screw hole; 26. locking the screw rod; 3. a black gold bearing bush; 31. a substrate; 32. a black gold layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "upper", "lower", "left", "right", "front", "rear", and the like used in the specification and claims of the present disclosure are used only to indicate relative positional relationships, and when the absolute position of a described object is changed, the relative positional relationships are changed accordingly.
Example 1:
as shown in fig. 1 to 4, the present invention relates to a large ubm surface welding device, which comprises a rotating frame base 1 and a rotating frame 2 rotatably disposed on the rotating frame base 1, wherein the rotating frame base 1 is made by cutting and blanking 120mm channel steel; the rotating bracket 2 comprises two wheel bodies 21 which are arranged in a bilateral symmetry mode, a half-moon-shaped frame 23 is connected between the two wheel bodies 21, the half-moon-shaped frame 23 is matched with the black gold bearing bush 3 to be placed in the half-moon-shaped frame, and bearing bush anti-falling devices are symmetrically arranged at the front end and the rear end of the half-moon-shaped frame respectively and are used for locking the black gold bearing bush 3 after the black gold bearing bush is placed in the half-moon-shaped frame 23.
In this embodiment, in order to facilitate the rotation of the rotating bracket 2 on the rotating frame base 1, the rotating frame base 1 includes a base frame 11, arc-shaped wheel seats 12 are symmetrically arranged at the tops of two sides of the base frame 11, respectively, and an arc-shaped groove 13 is arranged on the inner side of each arc-shaped wheel seat 12; the two wheel bodies 21 of the rotating bracket 2 correspond to the two arc-shaped wheel seats 12 respectively, the outer side of each wheel body 21 is provided with an annular bulge 22 matched with the arc-shaped groove 13, and each annular bulge 22 is arranged in one corresponding arc-shaped groove 13. Further, a rotation handle 27 is provided on an outer side of one of the wheel bodies 21, and the rotation bracket 2 can be easily rotated by the rotation handle 27.
In this embodiment, the axle bush anti-drop device includes an anti-drop base 24 fixedly disposed on the half-moon shaped frame 23, a plurality of locking screw holes 25 are uniformly disposed on the anti-drop base 24, a locking screw 26 is disposed in each locking screw hole 25, and after the bearing bush 3 is placed, both ends of the bearing bush are respectively fixed by the locking bolts 26.
Example 2:
the utility model relates to a large-scale gold shoe surface repair welding repair technology, gold shoe 3 includes substrate 31 and sets up the gold layer 32 in the substrate 31 outside, and this gold layer 32 can appear wearing and tearing, local fracture and the problem that drops after long-term operation, through embodiment 1 a large-scale gold shoe surface repair welding device repair welding repair to the wearing and tearing of gold layer 32 of gold shoe 3, local fracture and the position that drops, the step is as follows:
firstly, preparing welding;
1.1, welding equipment: HT400D digital control inversion type manual direct current argon arc welding machine, direct current is reversely connected, and welding materials adopt aluminum bronze welding rods; oxygen-acetylene gas welding, wherein the welding material adopts Babbitt alloy;
1.2, oil stains, oxide layers, moisture and the like do not exist in a welding position area and a welding material, and the metallic luster needs to be exposed;
1.3, welding technical requirements: the base material and the red copper combined nail are firm, the overlaying layer is fused with the base material, and the welding seam cannot have any welding defects;
1.4, weldment material: base material 35#, babbitt;
1.5, welding position: horizontal welding, because the melting point of the black gold body is low, when gas welding is adopted, the molten pool is difficult to control, so any defect on the surface of the black gold bearing bush must be in horizontal position welding, and during normal welding, left and right rotation adjustment can be carried out through the rotating crank 26 of the rotating bracket 2;
1.6, auxiliary facilities: the device comprises a heat-insulating barrel, a sample plate, a temperature measuring instrument, a magnifier, a mask, gloves, a slag removing hammer, a chisel, a file, a steel brush, abrasive paper, a steel ruler, a horizontal ruler, a movable spanner, a straight grinder, an angle grinder, a wire pliers, a steel saw blade and labor protection articles;
1.7, welding process parameters:
manual shielded metal arc welding
Manual oxygen-acetylene gas welding
| Type of welding wire | Welding layer | Diameter of welding wire/mm | Welding tip | Flame core | Welding gun |
| Babbitt metal | Filling layer | Φ3.0mm | 01# | Carbonization flame | H01-30 |
| Babbitt metal | Cover layer | Φ3.0mm | 03# | Carbonization flame | H01-30 |
Secondly, welding and repairing;
2.1, placing the black gold bearing bush 3 to be repaired in the half-moon-shaped frame 23 of the large-scale black gold bearing bush surface welding device, and locking the frame by a locking screw 26 of the bearing bush anti-falling device;
2.2, repairing and welding the worn position of the wu-gold layer 23; before welding, a manual straight grinding machine is adopted to grind the abrasion position, and the surface of the grinded black gold layer 23 is cleaned, so that no oil stain is ensured; then, matching manual oxy-acetylene gas welding with a Babbitt metal welding wire with the diameter of 3.0mm, wherein a welding gun is H01-300 type, a flame core is carbonized flame, firstly, filling and surfacing welding of a bottom layer is carried out by using a welding nozzle No. 01, and then, welding repair of a cover layer is carried out by using a welding nozzle No. 03; after the welding and surfacing of the worn part is finished, directly knocking the surface by a small hammer and enabling the surface to be fully covered with pits, wherein the lowest point of each pit is higher than the surface of the black gold layer 32, and enough margin is reserved for facilitating processing;
2.3, repairing and welding the local falling position of the wu-gold layer 32; firstly, manufacturing a plurality of red copper bonding nails according to the thickness of the black gold layer 32 and the area of the local falling position of the black gold layer 32, wherein the red copper bonding nails are made of red copper and are in cylindrical structures, and the height of the red copper bonding nails does not exceed the thickness of the black gold layer 32; before welding, a manual straight grinding machine is adopted to grind the irregular gold-coated layer 32, the base material 31 at the position where the gold-coated layer 32 falls is ground into a square or round shape according to different falling shapes, and then the welding position is cleaned to ensure that no oil stain exists; the red copper bonding nails are welded on the base material 31 at the position where the gold-wu layer 32 falls off in a segmented sequencing mode through manual welding rod arc welding, sufficient space is ensured to be filled with the gold-wu, after welding is completed, the welding seams are checked through visual inspection and a magnifying glass of 5 times, a hammer is used for knocking to judge whether the strength is met, after firm connection is confirmed, each welded red copper bonding nail is ground into a thick shape with a pointed upper head and a thick lower head through a manual straight grinding machine, so that the bonding strength is met, and the gold-wu layer 32 is convenient to fuse; then, matching manual oxy-acetylene gas welding with a Babbitt metal welding wire with the diameter of 3.0mm, wherein a welding gun is H01-300 type, a flame core is carbonized flame, firstly, filling and surfacing welding of a bottom layer is carried out by using a welding nozzle No. 01, and then, welding repair of a cover layer is carried out by using a welding nozzle No. 03; after the welding and surfacing of the worn part is finished, directly knocking the surface by a small hammer and enabling the surface to be fully covered with pits, wherein the lowest point of each pit is higher than the surface of the black gold layer 32, and enough margin is reserved for facilitating processing;
2.4, soldering the local cracking position of the wu-gold layer 32; before welding, a manual angle grinder is adopted to cut the cracks and then process the cracks into V-shaped or U-shaped grooves, and then the positions of welding repair are cleaned to ensure that no oil stains exist; then, matching manual oxy-acetylene gas welding with a Babbitt metal welding wire with the diameter of 3.0mm, wherein a welding gun is H01-300 type, a flame core is carbonized flame, firstly, filling and surfacing welding of a bottom layer is carried out by using a welding nozzle No. 01, and then, welding repair of a cover layer is carried out by using a welding nozzle No. 03; after the welding and surfacing of the worn part is finished, directly knocking the surface by a small hammer and enabling the surface to be fully covered with pits, wherein the lowest point of each pit is higher than the surface of the black gold layer 32, and enough margin is reserved for facilitating processing;
and 2.5, after all welding is finished and no defect is detected, manually grinding the welding supplement position, processing the welding supplement position to a size which meets the use size, checking and accepting through rolling of an on-site physical die, and delivering for use after the welding supplement position completely meets the process requirements.
Claims (5)
1. The utility model provides a large-scale gold shoe surface soldering device which characterized in that: the rotary rack comprises a rotary rack base (1) and a rotary bracket (2) which is rotatably arranged on the rotary rack base (1); the rotary support (2) comprises two wheel bodies (21) which are arranged in a bilateral symmetry mode, a half-moon-shaped frame (23) is connected between the two wheel bodies (21), and the front end and the rear end of the half-moon-shaped frame (23) are respectively and symmetrically provided with a bearing bush anti-falling device.
2. The large-scale ubm bearing shell surface weld repair device of claim 1, wherein: the rotating frame base (1) comprises a base frame (11), arc-shaped wheel seats (12) are symmetrically arranged at the tops of two sides of the base frame (11) respectively, and arc-shaped grooves (13) are arranged on the inner sides of the arc-shaped wheel seats (12) respectively; two wheel bodies (21) of the rotating support (2) correspond to the two arc-shaped wheel seats (12) respectively, annular protrusions (22) matched with the arc-shaped grooves (13) are arranged on the outer side of each wheel body (21), and each annular protrusion (22) is arranged in one corresponding arc-shaped groove (13).
3. The large-scale ubm bearing shell surface weld repair device according to claim 1 or 2, characterized in that: and a rotary crank (27) is arranged on the outer side of one wheel body (21).
4. The large-scale ubm bearing shell surface weld repair device according to claim 1 or 2, characterized in that: the bearing bush anti-drop device comprises an anti-drop base (24) fixedly arranged on the half-moon-shaped frame (23), a plurality of locking screw holes (25) are uniformly formed in the anti-drop base (24), and a locking screw rod (26) is arranged in each locking screw hole (25).
5. The large ubu bearing shell surface weld repair device of claim 3, wherein: the bearing bush anti-drop device comprises an anti-drop base (24) fixedly arranged on the half-moon-shaped frame (23), a plurality of locking screw holes (25) are uniformly formed in the anti-drop base (24), and a locking screw rod (26) is arranged in each locking screw hole (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121342982.4U CN214769576U (en) | 2021-06-16 | 2021-06-16 | Large-scale black gold bearing bush surface soldering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121342982.4U CN214769576U (en) | 2021-06-16 | 2021-06-16 | Large-scale black gold bearing bush surface soldering device |
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| Publication Number | Publication Date |
|---|---|
| CN214769576U true CN214769576U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121342982.4U Active CN214769576U (en) | 2021-06-16 | 2021-06-16 | Large-scale black gold bearing bush surface soldering device |
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| CN (1) | CN214769576U (en) |
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2021
- 2021-06-16 CN CN202121342982.4U patent/CN214769576U/en active Active
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