阅读说明：本技术 一种用于风机基础环法兰切割焊接用小车保护装置 (Be used for fan basis ring flange cutting welding to use dolly protection device ) 是由 刘作广 黎燕航 刘世江 李�荣 谢丹 马涛 顾婷 刘润龙 于 2019-12-04 设计创作，主要内容包括：一种用于风机基础环法兰切割焊接用小车保护装置,包括驱动小车,驱动小车上安装有驱动轮,驱动小车一侧通过割焊固定板连接有割焊装置；割焊装置外表面设置有保护罩,保护罩通过安装板固定安装在驱动小车上,保护罩的两个表面均开设有滑槽,滑槽表面滑动连接有滑杆,滑杆位于保护罩内腔的部分固定安装有推铲,保护罩下表面的一侧活动连接有放渣板；驱动小车上表面通过连接板连接有熔渣隔离收集箱。本发明克服了现有技术的不足,通过保护罩既可以对割焊装置起到一定保护作用,以防止外界风、雨雪、灰尘等环境因素的影响,并且也能够防止在割炬或焊接过程火花和熔渣四溅,并能够对割焊过程中的熔渣进行集中收集。(A trolley protection device for cutting and welding a fan foundation ring flange comprises a driving trolley, wherein a driving wheel is mounted on the driving trolley, and one side of the driving trolley is connected with a cutting and welding device through a cutting and welding fixing plate; the outer surface of the cutting and welding device is provided with a protective cover, the protective cover is fixedly arranged on the driving trolley through a mounting plate, sliding grooves are formed in two surfaces of the protective cover, sliding rods are connected to the surfaces of the sliding grooves in a sliding mode, a push shovel is fixedly arranged on the portion, located in the inner cavity of the protective cover, of each sliding rod, and one side of the lower surface of the protective cover is movably connected with a slag discharging; the upper surface of the driving trolley is connected with a slag isolating and collecting box through a connecting plate. The invention overcomes the defects of the prior art, can play a certain role in protecting the cutting and welding device through the protective cover so as to prevent the influence of external wind, rain, snow, dust and other environmental factors, can also prevent sparks and slag splashing in the cutting torch or welding process, and can collect the slag in the cutting and welding process in a centralized way.)

1. The utility model provides a be used for fan basis ring flange cutting welding to use dolly protection device, includes drive trolley (1), its characterized in that: the driving trolley (1) is provided with a driving wheel (2), the driving trolley (1) moves on the outer surface of the basic ring flange (3) through the driving wheel (2), one end of a cutting and welding fixing plate (5) is fixedly connected to the surface of one side of the driving trolley (1), the other end of the cutting and welding fixing plate (5) is provided with a sleeve block (4), and a cutting and welding device (6) is sleeved in the sleeve block (4);

the outer surface of the cutting and welding device (6) is provided with a protective cover (7), one side of the protective cover (7) is provided with an installation opening (8), the side surface of the installation opening (8) is fixedly provided with a mounting plate (9), the protective cover (7) is fixedly mounted on a driving trolley (1) through the mounting plate (9), two surfaces of the protective cover (7) are respectively provided with a sliding chute (10), the surface of each sliding chute (10) is connected with a sliding rod (11) in a sliding manner, a limiting push block (12) is fixedly mounted on the part, located on the outer surface of the protective cover (7), of each sliding rod (11), a push shovel (13) is fixedly mounted on the part, located in the inner cavity of the protective cover (7), of each push shovel (13) is in contact with the lower surface of the inner cavity of the protective cover (7), and;

one end of a connecting plate (15) is fixedly arranged on the upper surface of the driving trolley (1), a slag isolating and collecting box (16) is fixedly arranged at the other end of the connecting plate (15), and the slag isolating and collecting box (16) is positioned on the inner side surface of the basic ring flange (3).

2. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 1, wherein: the lower surface of the inner cavity of the protective cover (7) deflects upwards by an angle of 5-40 degrees by taking the position of the slag discharge plate (14) as a center, and the sliding groove (10) is parallel to the lower surface of the inner cavity of the protective cover (7).

3. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 1, wherein: the utility model discloses a heating flame gun, including drive dolly, the one end of opposite side fixed surface connection heat preservation mounting panel (17) of drive dolly (1), the other end of heat preservation mounting panel (17) is provided with nested piece (4), it adjusts the pole to cup joint in nested piece (4), the tip fixed mounting who adds the flame gun and adjust the pole has heating flame gun (18).

4. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 3, wherein: set piece (4) top is provided with adjusts swivel nut (19), screens groove (20) have been seted up to set piece (4) surface top, adjust swivel nut (19) lower extreme swing joint in screens groove (20), it is provided with the screw thread to adjust swivel nut (19) internal surface, cut and weld device (6) and heating flame gun regulation pole and all pass and adjust swivel nut (19) and pass through threaded connection with regulation swivel nut (19).

5. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 4, wherein: the upper surface of the protective cover (7) is movably connected with a movable door (24) through a hinge.

6. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 1, wherein: the slag isolating and collecting box (16) is of a hollow metal structure, a water inlet (21) is formed in the upper surface of the slag isolating and collecting box (16), a water outlet (22) is formed below the side surface of the slag isolating and collecting box (16), and the water inlet (21) and the water outlet (22) are communicated with the hollow part inside the slag isolating and collecting box (16); the upper surface of the slag isolating and collecting box (16) is also provided with an air outlet net (23), and the hollow part of the slag isolating and collecting box (16) is communicated with the outside through the air outlet net (23).

7. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 1, wherein: an observation window (25) is embedded in the outer surface of the protective cover (7).

8. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 1, wherein: cut and weld device (6) and include altitude mixture control pole (61) and welding gun (62), altitude mixture control pole (61) swing joint just locks fixedly in nest block (4) through the fitting pin, the tip fixed mounting of altitude mixture control pole (61) has angle adjusting device (63), angle adjusting device (63) side surface passes through dwang and welding gun (62) swing joint.

9. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 8, wherein: angle adjusting device (63) are including fixed block (64), fixed block (64) surface is seted up fluted (65), limited groove (66) are seted up to recess (65) internal surface, the one end of limited groove (66) internal fixation installation spring (67), the one end of the other end fixedly connected with limiting block (68) of spring (67), tip fixedly connected with gear (69) of dwang, the dwang passes through gear (69) at recess (65) internal rotation and is connected, the other end of limiting block (68) meshes with the tooth of gear (69) circumference mutually.

10. The trolley protection device for cutting and welding the fan foundation ring flange as claimed in claim 1, wherein: and a curved surface sliding block (26) is fixedly arranged at the position where the welding slag isolating and collecting box (16) is contacted with the inner surface of the basic ring flange (3).

Technical Field

The invention relates to the technical field of welding of foundation ring flanges, in particular to a trolley protection device for cutting and welding of a fan foundation ring flange.

Background

The foundation ring is an important part for connecting the flange of the foundation ring of the wind turbine with the foundation. In the existing fan, the wall thickness of the flange of a plurality of foundation rings is smaller than that of the cylinder body of the foundation ring, so that the wall thickness becomes a weak link of the foundation ring. In order to improve the whole bearing capacity of the foundation ring, one method is to cut off the weak area of the old flange and then weld a new reinforced flange.

Currently, cutting off an old foundation ring and welding a new foundation ring can be completed by adopting a welding trolley; however, when cutting and welding, the situation of splashing of high-temperature slag easily occurs, and especially when the cutting torch or the welding torch for cutting and welding the basic ring is in field work, the cutting torch or the welding torch is more sensitive to the influence of environmental factors.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the trolley protection device for cutting and welding the fan foundation ring flange, which overcomes the defects of the prior art, has reasonable design, can play a certain protection role on a cutting and welding device through the protection cover so as to prevent the influence of external environmental factors such as wind, rain, snow, dust and the like, can also prevent sparks and slag from splashing around in a cutting torch or a welding process, and can collect the slag in the welding process in a centralized way.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a trolley protection device for cutting and welding a fan foundation ring flange comprises a driving trolley, wherein a driving wheel is mounted on the driving trolley, the driving trolley moves on the outer surface of the foundation ring flange through the driving wheel, one end of a cutting and welding fixing plate is fixedly connected to the surface of one side of the driving trolley, a sleeve block is arranged at the other end of the cutting and welding fixing plate, and a cutting and welding device is sleeved in the sleeve block; the outer surface of the cutting and welding device is provided with a protective cover, one side of the protective cover is provided with an installation opening, the side surface of the installation opening is fixedly provided with an installation plate, the protective cover is fixedly installed on a driving trolley through the installation plate, two surfaces of the protective cover are both provided with sliding grooves, the surfaces of the sliding grooves are connected with sliding rods in a sliding manner, a limiting push block is fixedly installed on the part, located on the outer surface of the protective cover, of the sliding rods, a push shovel is fixedly installed on the part, located in the inner cavity of the protective cover, of the sliding rods, the push shovel is in contact with the lower surface of the inner cavity of the protective cover, one; one end of a connecting plate is fixedly mounted on the upper surface of the driving trolley, a slag isolating and collecting box is fixedly mounted at the other end of the connecting plate, and the slag isolating and collecting box is located on the inner side surface of the base ring flange.

Preferably, the lower surface of the inner cavity of the protective cover deflects upwards at an angle of 10-30 degrees by taking the position of the slag discharge plate as a center, and the chute is parallel to the lower surface of the inner cavity of the protective cover.

Preferably, the surface of the other side of the driving trolley is fixedly connected with one end of the heat-insulation mounting plate, the other end of the heat-insulation mounting plate is provided with a sleeve block, a heating flame gun adjusting rod is sleeved in the sleeve block, and a heating flame gun is fixedly mounted at the end part of the heating flame gun adjusting rod.

Preferably, the set of piece top is provided with the regulation swivel nut, the screens groove has been seted up to set of piece surface top, adjust swivel nut lower extreme swing joint in the screens inslot, it is provided with the screw thread to adjust swivel nut internal surface, cut and weld the device and adjust the pole with the heating flame gun and all pass through the regulation swivel nut and pass through threaded connection with the regulation swivel nut.

Preferably, the upper surface of the protective cover is movably connected with a movable door through a hinge.

Preferably, the slag isolating and collecting box is of a hollow metal structure, a water inlet is formed in the upper surface of the slag isolating and collecting box, a water outlet is formed below the side surface of the slag isolating and collecting box, and the water inlet and the water outlet are both communicated with a hollow part inside the slag isolating and collecting box; the upper surface of the slag isolating and collecting box is also provided with an air outlet net, and the hollow part of the slag isolating and collecting box is communicated with the outside through the air outlet net.

Preferably, the outer surface of the protective cover is embedded with a viewing window.

Preferably, the cutting and welding device comprises a height adjusting rod and a welding gun, wherein the height adjusting rod is movably connected in the sleeve block and is fixedly locked through a locking pin, an angle adjusting device is fixedly arranged at the end part of the height adjusting rod, and the side surface of the angle adjusting device is movably connected with the welding gun through a rotating rod.

Preferably, the angle adjusting device comprises a fixed block, a groove is formed in the surface of the fixed block, a limiting groove is formed in the inner surface of the groove, one end of a spring is fixedly installed in the limiting groove, the other end of the spring is fixedly connected with one end of a limiting block, a gear is fixedly connected to the end of the rotating rod, the rotating rod is rotatably connected in the groove through the gear, and the other end of the limiting block is meshed with teeth on the circumference of the gear.

Preferably, a curved surface sliding block is fixedly arranged at the position where the welding slag isolating and collecting box is contacted with the inner surface of the base ring flange.

The invention provides a trolley protection device for cutting and welding a fan foundation ring flange. The method has the following beneficial effects: the protective cover can protect the cutting and welding device to a certain extent so as to prevent the influence of environmental factors such as external wind, rain, snow, dust and the like, and can also prevent sparks and slag from splashing in the cutting torch or the welding process; and when cutting the torch, the slag isolating and collecting box can collect the slag when cutting the torch, and prevent the slag from falling into the basic ring flange to cause the damage of the internal equipment of the basic ring flange.

Drawings

In order to more clearly illustrate the present invention or the prior art solutions, the drawings that are needed in the description of the prior art will be briefly described below.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention with the protective cover removed;

FIG. 3 is a schematic view of the structure of the protective cover of the present invention;

FIG. 4 is a schematic view of the internal structure of the protective cover of the present invention;

FIG. 5 is a schematic view of the slag isolating and collecting tank of the present invention;

FIG. 6 is a schematic structural diagram of a set of blocks according to a fourth embodiment of the present invention;

FIG. 7 is a schematic view of the cutting and welding apparatus according to the present invention;

FIG. 8 is a schematic view of the angle adjusting device of the present invention;

the reference numbers in the figures illustrate:

1. driving the trolley; 2. a drive wheel; 3. a base ring flange; 4. sleeving blocks; 5. cutting and welding the fixing plate; 6. a cutting and welding device; 7. a protective cover; 8. an installation opening; 9. mounting a plate; 10. a chute; 11. a slide bar; 12. limiting a push block; 13. pushing and shoveling; 14. a slag discharge plate; 15. a connecting plate; 16. a slag isolating and collecting box; 17. a heat preservation mounting plate; 18. heating the flame gun; 19. adjusting a threaded sleeve; 20. a clamping groove; 21. a water inlet; 22. a water outlet; 23. an air outlet net; 24. a movable door; 25. an observation window; 26. a curved surface slider; 61. a height adjustment lever; 62. welding a gun; 63. an angle adjusting device; 64. a fixed block; 65. a groove; 66. defining a slot; 67. a spring; 68. a limiting block; 69. a gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1-4, a trolley protection device for cutting and welding a fan foundation ring flange comprises a driving trolley 1, wherein a driving wheel 2 is mounted on the driving trolley 1, the driving trolley 1 moves on the outer surface of a foundation ring flange 3 through the driving wheel 2, one end of a cutting and welding fixing plate 5 is fixedly connected to the surface of one side of the driving trolley 1, a sleeve block 4 is arranged at the other end of the cutting and welding fixing plate 5, and a cutting and welding device 6 is sleeved in the sleeve block 4; the outer surface of the cutting and welding device 6 is provided with a protective cover 7, one side of the protective cover 7 is provided with an installation opening 8, the side surface of the installation opening 8 is fixedly provided with an installation plate 9, the protective cover 7 is fixedly arranged on the driving trolley 1 through the installation plate 9, two surfaces of the protective cover 7 are respectively provided with a sliding chute 10, the surface of the sliding chute 10 is connected with a sliding rod 11 in a sliding manner, the part of the sliding rod 11 positioned on the outer surface of the protective cover 7 is fixedly provided with a limiting push block 12, the part of the sliding rod 11 positioned in the inner cavity of the protective cover 7 is fixedly provided with a push shovel 13, the push shovel 13 is contacted with the lower surface of the inner cavity of the protective cover; one end of a connecting plate 15 is fixedly arranged on the upper surface of the driving trolley 1, a slag isolating and collecting box 16 is fixedly arranged at the other end of the connecting plate 15, and the slag isolating and collecting box 16 is positioned on the inner side surface of the basic ring flange 3. An observation window 25 is embedded in the outer surface of the protective cover 7 so as to observe the welding or cutting torch condition in the protective cover 7.

Before working, the position of the cutting and welding device 6 in the sleeve block 4 in the vertical direction is adjusted, so that the welding end of the cutting and welding device 6 corresponds to the position of the surface of the basic ring flange 5 needing welding or cutting; then giving an electric signal to the driving trolley 1 to enable the driving wheel 2 to drive the driving trolley 1 to move along the basic ring flange 5, in the moving process, cutting torch or welding processing is carried out by the cutting and welding device 6, in the cutting torch or welding processing process, the cutting and welding device 6 can be protected to a certain extent through the protective cover 7 to prevent the influence of external wind, rain, snow, dust and other environmental factors, sparks and slag splashing in the cutting torch or welding process can also be prevented, and the sliding rod 11 is arranged on the protective cover 7 to enable the sliding rod 11 to drive the push shovel 13 to move in the protective cover 7 in a manner of being attached to the lower surface, so that slag splashing in the cutting torch or welding process can be concentrated to the position of the slag discharge plate 14, and then the slag discharge plate 14 is pulled out, so that the concentrated slag falls and is collected from the protective cover 7; when cutting the torch, the slag isolating and collecting box 16 can collect the slag when cutting the torch and prevent the slag from falling into the basic ring flange 3 to damage the equipment in the basic ring flange 3; but also the slag separation and collection box 16 limits the running path of the drive carriage 1 to ensure that the drive carriage 1 can move along the base ring flange 3 without deviation.

In the second embodiment, based on a further improvement of the first embodiment, in the present embodiment, the lower surface of the inner cavity of the protective cover 7 is upward at an angle of 30 degrees with respect to the position of the slag discharging plate 14, and the chute 10 is parallel to the lower surface of the inner cavity of the protective cover 7. Thereby enabling slag to be more easily collected where the tapping plate 14 is located.

In the third embodiment, based on further improvement of the first embodiment, the other side surface of the driving trolley 1 is fixedly connected with one end of the heat-insulating mounting plate 17, the other end of the heat-insulating mounting plate 17 is provided with a sleeve block 4, a heating flame gun adjusting rod is sleeved in the sleeve block 4, and the end part of the heating flame gun adjusting rod is fixedly provided with a heating flame gun 18. Before the welding device works, the position of the heating flame gun adjusting rod in the sleeve block 4 is adjusted, so that the heating flame gun 18 corresponds to the position, required to be welded, of the surface of the basic ring flange 5, and after welding, heat preservation treatment can be carried out on the position after welding through the heating flame gun 18, and stable cooling of a welding seam is guaranteed.

In the fourth embodiment, as shown in fig. 6, based on a further improvement of the third embodiment, an adjusting threaded sleeve 19 is arranged above the sleeve block 4, a clamping groove 20 is formed above the outer surface of the sleeve block 4, the lower end of the adjusting threaded sleeve 19 is movably connected in the clamping groove 20, threads are arranged on the inner surface of the adjusting threaded sleeve 19, and the cutting and welding device 6 and the heating flame gun adjusting rod both penetrate through the adjusting threaded sleeve 19 and are connected with the adjusting threaded sleeve 19 through the threads. The upper surface of the protective cover 7 is movably connected with a movable door 24 through a hinge. Thereby when the vertical direction position of cutting and welding device 6 and heating flame gun regulation pole need be adjusted, adjust swivel nut 19 through the rotation, utilize the screw lead screw principle, make cutting and welding device 6 and heating flame gun regulation pole can reciprocate adjusting the 19 internal surfaces of swivel nut, in order to reach and adjust the fixed action, and through set up dodge gate 24 at protection casing 7 upper surface, thereby when the position of cutting and welding device 6 needs to be adjusted, open dodge gate 24 and can adjust, need not to dismantle protection casing 7 once more, time saving and labor saving.

In the fifth embodiment, as shown in fig. 5, based on the further improvement of the first embodiment, the slag isolating and collecting box 16 has a hollow metal structure, the upper surface of the slag isolating and collecting box 16 is provided with a water inlet 21, the lower part of the side surface of the slag isolating and collecting box 16 is provided with a water outlet 22, and both the water inlet 21 and the water outlet 22 are communicated with the hollow part inside the slag isolating and collecting box 16; the upper surface of the slag isolating and collecting tank 16 is also provided with an air outlet net 23, and the hollow part of the slag isolating and collecting tank 16 is communicated with the outside through the air outlet net 23. By filling water into the hollow part of the slag isolating and collecting box 16, after high-temperature slag generated in the cutting torch process falls into the slag isolating and collecting box 16, the high temperature of the high-temperature slag is transferred to the water in the hollow part through the surface of the slag isolating and collecting box 16; therefore, the damage of high-temperature melting and the like to the surface of the slag isolating and collecting box 16 caused by high-temperature slag can be prevented, and the service life of the slag isolating and collecting box 16 is further ensured; the vapor generated by the evaporation of the water in the hollow part can be discharged through the gas outlet net 23 when in use, thereby not only ensuring the dissipation of the heat in the slag isolating and collecting box 16, but also preventing the over-high air pressure of the hollow part of the slag isolating and collecting box 16; after use, the water is discharged through the water inlet 21; and the position where the welding slag isolating and collecting box 16 contacts with the inner surface of the basic ring flange 3 is fixedly provided with a curved surface slide block 26, and the damage caused by friction between the welding slag isolating and collecting box 16 and the basic ring flange 3 can be prevented through the curved surface structure of the curved surface slide block 26.

Sixth embodiment, as shown in fig. 7-8, based on the further improvement of the first embodiment, the cutting and welding device 6 comprises a height adjusting rod 61 and a welding gun 62, the height adjusting rod 61 is movably connected in the sleeve block 4 and is locked and fixed by a locking pin, an angle adjusting device 63 is fixedly installed at the end of the height adjusting rod 61, and the side surface of the angle adjusting device 63 is movably connected with the welding gun 62 by a rotating rod. The angle adjusting device 63 comprises a fixing block 64, a groove 65 is formed in the surface of the fixing block 64, a limiting groove 66 is formed in the inner surface of the groove 65, one end of a spring 67 is fixedly installed in the limiting groove 66, the other end of the spring 67 is fixedly connected with one end of a limiting block 68, a gear 69 is fixedly connected to the end portion of a rotating rod, the rotating rod is rotatably connected in the groove 65 through the gear 69, and the other end of the limiting block 68 is meshed with teeth on the circumference of the gear 69. Thereby when the inclination of welding rifle 62 needs to be adjusted, through rotatory dwang, make the gear 69 of dwang tip rotate in recess 65, and when rotating an angle, the elastic force effect that restricts the piece 68 in groove 66 can pass through spring 67 meshes with the tooth of gear 69 circumference mutually, thereby after rotating suitable angle, can carry out the angle to the dwang through restricting the piece 68 and prescribe a limit to, and because the tip of restricting the piece 68 is the tapered structure, thereby when rotatory dwang, gear 69 can be along the tapered limit smoothly with restricting the piece 68 extrude into again in the groove 66 again, so that the adjustment of angle.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.