CN217433295U

CN217433295U - Bearing ring machining support system with rails

Info

Publication number: CN217433295U
Application number: CN202122466344.XU
Authority: CN
Inventors: 程大川; 黄俊峰; 徐永飞
Original assignee: China National Chemical Engineering No14 Construction Co ltd
Current assignee: China National Chemical Engineering No14 Construction Co ltd
Priority date: 2021-08-31
Filing date: 2021-10-13
Publication date: 2022-09-16
Anticipated expiration: 2031-10-13
Also published as: CN113857615A

Abstract

The utility model relates to a take orbital bearing ring processing mounting system, it includes two bearing ring processing supports: the pressure-bearing ring plate support is used for processing the groove of the regular rectangular pressure-bearing ring plate and the pressure-bearing ring cone plate support is used for processing the groove of the irregular sector circular pressure-bearing ring cone plate, wherein the top of the pressure-bearing ring plate support is provided with a track parallel to the ground, and a gas cutting machine used for processing the groove of the pressure-bearing ring plate is arranged on the pressure-bearing ring plate support; the top of the bearing ring conical plate support is provided with a concave arc-shaped track with an upward opening in the horizontal direction, and a gas cutting machine for processing a groove of a bearing ring top plate is arranged on the track.

Description

Bearing ring machining support system with rails

Technical Field

The utility model belongs to the technical field of the welding, concretely relates to orbital bearing ring processing mounting system in area.

Background

The size of the outer tank body is 50000 m with phi 57.5 m by 36 m ² In the installation process of bimetal low temperature storage tank, need use ring shell mould pressure ring, the pressure-bearing ring is the main atress component of connecting top cap and barrel, and pressure-bearing ring taper plate and crown plate all adopt 52 mm thick steel sheet, and pressure-bearing ring taper plate size is regular rectangle, and pressure-bearing ring taper plate size is irregular fan-shaped ring, need weld between the steel sheet, and before being certain angle welding with two steel sheets, need first at the welding edge processing groove of steel sheet.

Groove welding has strict requirements on welding grooves and end faces, especially high-strength and high-thickness steel plates, under the conditions of different welding modes, high requirements on welders and the like in different fields, requirements, materials and the like. In the machining process, no special pressure-bearing ring groove machining equipment is arranged, on-site blanking is adopted and then finish machining is carried out by a lathe, and the machining equipment and a welding site are in different sites. The pressure-bearing ring is transported manually, and a block is transported vertically, so that the labor intensity is high, and personnel injury is easily caused.

The existing groove machining of the bearing ring of the tank body has the defects that the curvature of the bearing ring of the tank body is large, the coefficient of difficulty in machining is large, the groove machining is long in time consumption, the surface is not formed well, irregular, the machining speed cannot meet the requirement, frequent replacement and the bearing ring transfer workload are large, the cost is high, the key point is that the machining efficiency cannot reach the production requirement, and the requirement for rapidly and massively machining the groove cannot be met.

Based on this, the present application is proposed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiencies in the prior art, the utility model discloses a take orbital bearing ring processing braced system to solve the difficult, long consuming time and with high costs problem of bearing ring groove preparation.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a take orbital bearing ring to process braced system, its includes two bearing ring processing supports, be used for the bearing ring crown plate support of bearing ring crown plate groove preparation and the bearing ring taper plate support that is used for bearing ring taper plate groove preparation that wherein the bearing ring crown plate is regular rectangle, and the bearing ring taper plate is for having the irregular fan-shaped ring structure of inner arc and outer arc, and the thickness of bearing ring crown plate and bearing ring taper plate is the same.

As the utility model discloses an improve, bearing ring crown plate support and bearing ring taper plate support all include H shaped steel, channel-section steel, steel pipe, track and welding machine, and wherein two HW400 shaped steel parallel places on ground, forms basic base, and reuse several HW150 shaped steel transverse connection basic base reinforces it. And then, carrying out secondary leveling and alignment on the base, arranging channel steel on the base at equal intervals (for example, every two channel steel are spaced by 1000 mm) to form a gantry support, correspondingly welding steel pipes on the outer side of the gantry support to serve as baffles, arranging a rail at the top of the gantry support, and arranging a welding machine capable of moving freely on the rail.

As an improvement of the utility model, the distance d between gantry support and the steel pipe is greater than or equal to the thickness of the pressure-bearing annular plate or the pressure-bearing annular cone plate, the thickness is about 52 mm.

As an improvement of the utility model, the pressure-bearing ring flange support is used for forming the web and the ground parallel of two HW400 x 400 shaped steel of basic base, and the height of each steel pipe is the same, and the top of gantry support is parallel with ground from this.

As an improvement of the utility model, the pressure-bearing ring taper plate support is used for forming the web and the perpendicular to ground of two HW400 of basic base 400 shaped steel, and the central line that highly used HW150 of steel pipe 150 shaped steel outwards scales up in proper order as the symmetry axis, forms the ascending interior concave arc of opening with the radian of pressure-bearing ring taper plate inner arc.

As an improvement of the utility model, the top of the gantry support of the bearing ring conical plate support also forms an inward concave arc shape with the same opening of the radian of the inner arc of the bearing ring conical plate.

As an improvement of the utility model, be connected with the dog between the longmen support of bearing ring taper plate support and the steel pipe, for example welding or bonding, the position of dog and the outer arc laminating of bearing ring taper plate.

As an improvement of the utility model, the track of the bearing ring annular plate support is a straight trapezoidal track made of metal, the track is parallel to the ground.

As an improvement of the utility model, the track of bearing ring roof support is the curved track of the ascending indent arc of opening that the metal was made, curved radian is the same with the radian of bearing ring taper plate inner arc.

As an improvement of the utility model, the gas cutting machine includes motor, semi-automatic cutting torch and gyro wheel, and wherein the semi-automatic cutting torch of gas cutting machine is connected on the motor with the electric wire, and the gyro wheel of gas cutting machine contacts with the mode that the track can freely remove, semi-automatic cutting torch is about 30 jiaos with the horizontal direction.

According to the technical scheme, the utility model has the advantages of it is following:

the method has the advantages that the method comprises the following steps of on-site blanking, on-site groove machining and on-site rolling, so that the expenses of loading, unloading, transporting and machining are saved, the high labor intensity and high danger of manual transfer are avoided, and meanwhile, the cost benefit is achieved; the bearing ring processing support system comprises two bearing ring processing supports, and can simultaneously perform groove processing operation on the bearing plate ring plate and the conical plate in situ, so that the processing time is greatly shortened, and the processing efficiency is improved; and part of the adopted section bars can be recycled, so that waste is avoided, and the method has the benefit of environmental protection.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

FIG. 1 is a front view of a pressure ring and ring plate support;

FIG. 1B is a side view of a pressure ring plate support;

FIG. 1C is a top view of a pressure ring plate support;

FIG. 2A is a front view of a bearing ring and a conical plate bracket;

FIG. 2B is a side view of a bearing ring cone plate support;

fig. 2C is a top view of the bearing ring cone plate bracket.

In the figure: 1. h-shaped steel; 2-1, first channel steel; 2-2, second channel steel; 3. a pressure-bearing annular plate; 4-1, a first steel pipe; 4-2, second steel pipes; 5-1, a first track; 5-2, a second track; 6. a gas cutting machine; 7. semi-automatic cutting torch; 8. a stopper; 9. a bearing ring conical plate; 10. a pressure bearing ring plate support; 20. bearing ring taper plate support.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention.

As shown in fig. 1-1C and fig. 2A-2C, the present invention provides a support system for processing a bearing ring with a track, which includes a bearing ring plate support 10 and a bearing ring cone plate support 20. The pressure-bearing ring plate support 10 and the pressure-bearing ring cone plate support 20 both comprise H-shaped steel 1, first and second channel steels 2-1 and 2-2, first and second steel pipes 4-1 and 4-2, first and second rails 5-1 and 5-2 and a gas cutting machine 6, wherein the two H-shaped steel 1 are placed on the ground in parallel to form a base, and then a plurality of I-shaped steel pieces shorter than the H-shaped steel 1 are transversely connected with the base to play a role in reinforcement. In one embodiment, the H-section steel 1 is a HW400 x 400 section steel and the i-section steel is a HW150 x 150 section steel. And then, performing secondary leveling and alignment on the base, wherein the first channel steel 2-1 and the second channel steel 2-2 are arranged on the base at equal intervals (for example, every two channel steel are spaced by 1000 mm) to form a gantry support, a plurality of first steel pipes 4-1 and second steel pipes 4-2 are correspondingly welded on the outer sides of the first channel steel 2-1 and the second channel steel 2-2 to serve as baffles, and the distance d between the first channel steel 2-1 and the second channel steel 2-2 and the first steel pipes 4-1 and the second steel pipes 4-2 is equal to or slightly larger than the thickness of the pressure-bearing ring plate or the cone plate. In one embodiment, the first and second steel pipes 4-1 and 4-2 are supported as baffles by additional steel pipes, thereby increasing the stability of the rack system. The top parts of the first channel steel 2-1 and the second channel steel 2-2 are provided with a first track 5-1 and a second track 5-2, and the first track 5-1 and the second track 5-2 are provided with a freely movable gas cutting machine 6.

As shown in fig. 1 to 1C, the webs of the two H-shaped steel 1 used for forming the foundation base of the pressure-bearing ring plate support 10 are parallel to the ground, the heights of the steel pipes 4-1 are the same, and the tops of the first channel steel 2-1 are parallel to the ground. The utility model discloses an in the embodiment, bearing ring board 3 is regular rectangle, and 52 mm, wide 750 mm are thick, long 10030 mm, 3 tons per piece of single weight. In the embodiment of the present invention, 18 pressure-bearing ring plates are required.

The embodiment of the utility model provides an in, the bearing ring plate 3 that the position that will expect the grooving was drawn the line lifts up, puts into between first steel pipe 4-1 and the first channel-section steel 2-1, transfers semi-automatic cutting torch 7 into and is about 30 jiaos with the horizontal direction, opens gas cutting machine 6, and gas cutting machine 6 is at the uniform velocity along first track 5-1 and is advanced for semi-automatic cutting torch 7 evenly cuts and thins bearing ring plate 3, forms 8 mm's groove. And after cutting, polishing the groove of the pressure-bearing annular plate 3, and cutting off edges and corners.

As shown in fig. 2A-2C, the web of the two H-shaped steel 1 used for forming the foundation base of the bearing ring conical plate support 20 is perpendicular to the ground, the height of the second pipe 4-2 increases outwards in sequence by taking the center line of the H-shaped steel 1 as the symmetry axis, and an inward concave arc with an upward opening is formed, and the radian of the arc is the same as that of the inner arc of the bearing ring conical plate 9. For example, as shown in the following figures, the second steel pipes 4-2 are symmetrical about the center line of the H-section steel 1, and are sequentially stacked and arranged from inside to outside, such as a steel pipe with a height of 680 mm, a trapezoidal steel pipe with a height of 699 mm and a height of 704 mm, a trapezoidal steel pipe with a height of 735 mm and a height of 743 mm, a trapezoidal steel pipe with a height of 790 mm and a height of 801 mm, a trapezoidal steel pipe with a height of 864 mm and a height of 878 mm, and a trapezoidal steel pipe with a height of 958 mm and a height of 974 mm, thereby forming an inward concave arc shape.

In the embodiment of the present invention, the top of the second channel steel 2-2 of the bearing ring conical plate bracket 20 forms an inward concave arc with an upward opening, and the arc radian is the same as that of the inner arc of the bearing ring conical plate 9. The second frame 2-2 and the second steel pipe 4-2 of the bearing ring conical plate bracket 20 are connected by a plurality of stop blocks 8, such as welding or bonding; the position of the stop dog 8 is attached to the outer arc of the bearing ring conical plate 9. In any embodiment, the second channel steel 2-2 is higher than the first channel steel 2-1, and the second steel pipe 4-2 is higher than the first steel pipe 4-1. More specifically, in one embodiment, the first channel 2-1 has a height equal to or slightly greater than 750 mm and the second channel 2-2 has a height equal to or slightly greater than 1710 mm. In one embodiment, the bearing ring conical plate 9 is an irregular sector-shaped circular ring, the thickness of the irregular sector-shaped circular ring is 52 mm, the width of the irregular sector-shaped circular ring is 1438 mm, the length of the irregular sector-shaped circular ring is 9095 mm, and the weight of each block is 5.242 tons. In the embodiment, 20 bearing ring conical plates of the present invention are needed.

The utility model discloses an in the embodiment, the bearing ring board 9 that the position that will expect the grooving was drawn the line lifts by crane, puts into between second steel pipe 4-2 and the second channel-section steel 2-2, transfers into semi-automatic cutting torch 7 and is about 30 jiaos with the horizontal direction, opens gas cutting machine 6, and gas cutting machine 6 advances at the uniform velocity along the second track 5-2 that has above-mentioned radian for semi-automatic cutting torch 7 evenly cuts and cuts thin bearing ring board 9, forms thick 8 mm's groove. And after cutting, polishing the groove of the pressure-bearing annular plate 9, and cutting off edges and corners. The ground bearing ring plate 9 is then placed into a plate bending machine, not shown, and is bent to the required design curvature, and then is corrected again by the mold.

The utility model discloses an in the embodiment, need pass through the inspection of equipment mould after bearing ring crown plate and the unloading of awl board.

In each embodiment of the present invention, it should be noted that 2 blocks are required to be reserved when the pressure-bearing ring plate 3 and the conical plate 9 are blanked, and the reserved length is determined according to the length of the whole plate. When the bearing ring plate 3 and the conical plate 9 are cut, contraction allowance of 2 mm needs to be reserved for all butt welding seams on the basis of the size required by a drawing, so that the influence of expansion with heat and contraction with cold on the size of a groove during welding is avoided. In addition, the direction and the angle of the groove are needed to be noticed during the groove opening, and the pressure-bearing ring plate 3 and the conical plate 9 are all three-surface grooves, so that the directions of the grooves are needed to be unified. After the groove is formed, the inner side or the outer side of the storage tank needs to be marked on the front side and the back side of the plate, so that the pressure-bearing rings can be conveniently assembled and welded. Finally, as shown in Table 1 below, after the line is drawn, the original record of label transfer and blanking is made.

TABLE 1 quality control

In the embodiment of the utility model, refer to technical specification in the industry, the user need formulate the support preparation scheme, propose material purchasing plan to need to take the measure that satisfies processing pressure-bearing ring quality requirement, standard and safety. Through the design to low temperature storage tank bearing ring carries out the analysis, combines on-the-spot actual conditions and standard requirement, according to the utility model discloses make effectual bearing ring crown plate and taper plate groove preparation mounting system. In the subsequent implementation process, the quality control of the construction process is enhanced, and the prefabrication and blanking work of the pressure-bearing ring is completed, so that the installation effect of the pressure-bearing ring reaches the design requirement and the expected target.

Although the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.

Claims

1. The utility model provides a take orbital bearing ring processing braced system which characterized in that: the bearing ring processing support comprises two bearing ring processing supports, namely a bearing ring plate support (10) for processing a groove of a bearing ring plate (3) and a bearing ring conical plate support (20) for processing a groove of a bearing ring conical plate (9), wherein the bearing ring plate (3) is a regular rectangle, the bearing ring conical plate (9) is of a fan-shaped circular ring structure with an inner arc and an outer arc, and the thickness of the bearing ring plate (3) is the same as that of the bearing ring conical plate (9).

2. A bearing ring machining support system with rails according to claim 1, characterized in that: the bearing ring plate support (10) and the bearing ring cone plate support (20) both comprise H-shaped steel (1), first and second channel steels (2-1, 2-2), first and second steel pipes (4-1, 4-2), first and second tracks (5-1, 5-2) and an air cutting machine (6), wherein the two H-shaped steel (1) are placed on the ground in parallel to form a base, a plurality of I-shaped steel shorter than the H-shaped steel (1) are transversely connected with the base to perform secondary leveling and alignment on the base, the first and second channel steels (2-1, 2-2) are arranged on the base at equal intervals to form a gantry support, the first and second steel pipes (4-1) serving as baffles are correspondingly welded on the outer sides of the first and second channel steels (2-1, 2-2), 4-2), a first track (5-1, 5-2) and a second track (5-1, 5-2) are arranged at the top of the first channel steel (2-1, 2-2) and a freely movable gas cutting machine (6) is arranged on the first track (5-1, 5-2).

3. A bearing ring machining support system with rails according to claim 2, characterized in that: the distance d between the first channel steel (2-1, 2-2) and the first steel pipe (4-1, 4-2) is larger than or equal to the thickness of the bearing ring plate (3) or the bearing ring conical plate (9), and the thickness is larger than or equal to 40 mm.

4. A bearing ring machining support system with rails according to claim 3, characterized in that: the web plates of the two H-shaped steels (1) used for forming the base are parallel to the ground, the heights of the first steel pipes (4-1) are the same, and the tops of the first channel steels (2-1) are parallel to the ground.

5. A bearing ring machining support system with rails according to claim 3, characterized in that: the bearing ring conical plate support (20) is used for forming webs of two H-shaped steels (1) of the base and perpendicular to the ground, the height of the second steel pipe (4-2) is gradually increased outwards by taking the central line of the H-shaped steel (1) as a symmetry axis, an inward concave arc with an upward opening is formed, and the radian of the arc is the same as that of the inner arc of the bearing ring conical plate (9).

6. A bearing ring machining support system with rails according to claim 5, characterized in that: the top of a second channel steel (2-2) of the bearing ring conical plate support (20) forms an inward concave arc with an upward opening, and the radian of the arc is the same as that of an inner arc of the bearing ring conical plate (9).

7. A bearing ring machining support system with rails according to claim 6, characterized in that: the bearing ring conical plate support is characterized in that a stop block (8) is connected between a second channel steel (2-2) of the bearing ring conical plate support (20) and a second steel pipe (4-2), the position of the stop block (8) is attached to an outer arc of a bearing ring conical plate (9), the height of the second channel steel (2-2) is higher than that of the first channel steel (2-1), and the height of the second steel pipe (4-2) is higher than that of the first steel pipe (4-1).

8. The orbital bearing ring tooling support system of claim 4, wherein: the first rail (5-1) of the pressure-bearing ring plate support (10) is a straight trapezoidal rail made of metal, and the first rail (5-1) is parallel to the ground.

9. A support system for a bearing ring with a track according to claim 7, characterized in that: the second track (5-2) of the bearing ring conical plate support (20) is a concave arc-shaped curved track which is made of metal and provided with an upward opening, and the radian of the arc is the same as that of the inner arc of the bearing ring conical plate (9).

10. A bearing ring machining support system with rails according to claim 2, characterized in that: the gas cutting machine (6) comprises a motor, a semi-automatic cutting torch (7) and rollers, wherein the semi-automatic cutting torch (7) of the gas cutting machine (6) is connected to the motor through a wire, the rollers of the gas cutting machine (6) are in contact with the first rail (5-1) and the second rail (5-2) in a free moving mode, and the semi-automatic cutting torch (7) forms an angle of 30-60 degrees with the horizontal direction.