阅读说明：本技术 一种用于燃烧设备燃料供应管道焊接的焊头 (Welding head for welding fuel supply pipeline of combustion equipment ) 是由 葛亮 于 2020-12-21 设计创作，主要内容包括：本发明涉及燃烧设备的燃料供应技术领域,且公开了一种用于燃烧设备燃料供应管道焊接的焊头,包括壳体,所述壳体的内壁固定连接有半导体制冷片,所述壳体的内壁活动连接有警示块,所述警示块的外侧固定连接有连接轴,所述连接轴的外侧活动连接有齿环,所述连接轴的内壁固定连接有弹簧一,所述弹簧一的外侧且靠近齿环的内侧固定连接有限位块,所述壳体的内壁且靠近警示块的左侧固定连接有固定轴。该用于燃烧设备燃料供应管道焊接的焊头,通过半导体制冷片的原理,实现了再次使用需要调节焊头时,能准确的判断其表面的温度,提高工作人员的意识,防止工作人员的手动感知,避免工作人员的皮肤烫伤,提高安全系数,从而提高工作效率。(The invention relates to the technical field of fuel supply of combustion equipment, and discloses a welding head for welding a fuel supply pipeline of the combustion equipment, which comprises a shell, wherein a semiconductor refrigerating sheet is fixedly connected to the inner wall of the shell, a warning block is movably connected to the inner wall of the shell, a connecting shaft is fixedly connected to the outer side of the warning block, a toothed ring is movably connected to the outer side of the connecting shaft, a first spring is fixedly connected to the inner wall of the connecting shaft, a limiting block is fixedly connected to the outer side of the first spring and the inner side of the first spring, which is close to the toothed ring, and a fixed shaft is fixedly connected to the inner wall of the shell. This be used for combustion apparatus fuel supply pipeline welded bonding tool through the principle of semiconductor refrigeration piece, when having realized that reuse needs to adjust the bonding tool, the temperature on its surface of judgement that can be accurate improves staff's consciousness, prevents staff's manual perception, avoids staff's skin scald, improves factor of safety to improve work efficiency.)

1. A welding head for welding fuel supply pipes of combustion plants, comprising a casing (1), characterized in that: the inner wall of the shell (1) is fixedly connected with a semiconductor refrigeration piece (2), the inner wall of the shell (1) is movably connected with a warning block (3), the outer side of the warning block (3) is fixedly connected with a connecting shaft (4), the outer side of the connecting shaft (4) is movably connected with a toothed ring (6), the inner wall of the connecting shaft (4) is fixedly connected with a first spring (7), and the outer side of the first spring (7) and the inner side close to the toothed ring (6) are fixedly connected with a limiting block (5);

a fixed shaft (8) is fixedly connected to the inner wall of the shell (1) and the left side close to the warning block (3), a leather ring (15) is movably connected to the outer side of the fixed shaft (8), a connecting block (9) is fixedly connected to the outer side of the fixed shaft (8), an electromagnet (10) is fixedly connected to the inner wall of the connecting block (9), and a second spring (11) is fixedly connected to the outer side of the connecting block (9);

the outer side of the second spring (11) is fixedly connected with a stop block (12), the inner wall of the stop block (12) is fixedly connected with a magnetic plate (13), the inner side of the stop block (12) is fixedly connected with a support rod (14), and a groove (16) is formed in the outer side, close to the warning block (3), of the inner wall of the shell (1).

2. A welding head for welding fuel supply pipes for combustion plants according to claim 1, characterized in that: the number of the semiconductor refrigerating pieces (2) is four, and the semiconductor refrigerating pieces (2) are uniformly distributed on the inner wall of the shell (1).

3. A welding head for welding fuel supply pipes for combustion plants according to claim 1, characterized in that: the structure of warning piece (3) is the tourus structure, the material of warning piece (3) is stainless steel material, warning piece (3) and leather collar (15) fixed connection.

4. A welding head for welding fuel supply pipes for combustion plants according to claim 1, characterized in that: the structure of connecting axle (4) is the cylinder structure, the quantity of connecting axle (4) is two, connecting axle (4) symmetric distribution is in the both sides of warning piece (3).

5. A welding head for welding fuel supply pipes for combustion plants according to claim 1, characterized in that: the structure of ring gear (6) is the torus structure, the structure of stopper (5) is the cone structure, the size of stopper (5) suits with the size of ring gear (6) inner wall fixture block, the size of ring gear (6) suits with the size of recess (16).

6. A welding head for welding fuel supply pipes for combustion plants according to claim 1, characterized in that: the quantity of the electromagnets (10) is the same as that of the magnetic plates (13), the magnetism of the opposite surfaces of the electromagnets (10) and the magnetic plates (13) is the same, and the electromagnets (10) are electrically connected with the semiconductor refrigerating sheet (2).

7. A welding head for welding fuel supply pipes for combustion plants according to claim 1, characterized in that: the supporting rod (14) is fixedly connected with the leather ring (15), the supporting rod (14) is of a cylindrical structure, and the leather ring (15) is made of rubber.

8. A welding head for welding fuel supply pipes for combustion plants according to claim 1, characterized in that: the number of the connecting blocks (9) is the same as that of the stop blocks (12), the connecting blocks (9) are uniformly distributed on the outer side of the fixed shaft (8), and the structure of the fixed shaft (8) is a cylindrical structure.

Technical Field

The invention relates to the technical field of fuel supply of combustion equipment, in particular to a welding head for welding a fuel supply pipeline of the combustion equipment.

Background

Welding energy sources are various, including gas flame, electric arc, laser, electron beam, friction, ultrasonic wave and the like, welding environments are also various, gas flame welding is mostly adopted for welding fuel supply pipelines of combustion equipment, welding requirements are high, when an existing welding head is repeatedly used, the temperature of the welding head is difficult to observe by naked eyes, and workers often can sense the temperature in a manual touch mode according to experience, so that scalding is caused.

The welding head surface temperature is very high after using in current gas flame welding, when reuse need adjust the welding head, often can not accurate judgement its surperficial temperature, can lead to the staff to ignore the severity of problem, leads to staff's manual perception, can cause staff's skin scald, has reduced factor of safety to reduce work efficiency, brought economic loss.

We have therefore proposed a welding head for welding fuel supply pipes for combustion plants to solve the above problems.

Disclosure of Invention

Technical scheme (I)

In order to realize the purposes that when the welding head needs to be adjusted during reuse, the temperature of the surface of the welding head can be accurately judged, the consciousness of workers is improved, the manual perception of the workers is prevented, the skin of the workers is prevented from being scalded, the safety coefficient is improved, the working efficiency is improved, and the economic loss is reduced, the invention provides the following technical scheme: a welding head for welding a fuel supply pipeline of combustion equipment comprises a shell, wherein a semiconductor refrigerating sheet is fixedly connected to the inner wall of the shell, a warning block is movably connected to the inner wall of the shell, a connecting shaft is fixedly connected to the outer side of the warning block, a toothed ring is movably connected to the outer side of the connecting shaft, a first spring is fixedly connected to the inner wall of the connecting shaft, and a limiting block is fixedly connected to the outer side of the first spring and the inner side of the first spring, which is close to the toothed ring;

a fixed shaft is fixedly connected to the inner wall of the shell and the left side close to the warning block, a leather ring is movably connected to the outer side of the fixed shaft, a connecting block is fixedly connected to the outer side of the fixed shaft, an electromagnet is fixedly connected to the inner wall of the connecting block, and a spring II is fixedly connected to the outer side of the connecting block;

the outer side of the second spring is fixedly connected with a stop block, the inner wall of the stop block is fixedly connected with a magnetic plate, the inner side of the stop block is fixedly connected with a supporting rod, and a groove is formed in the outer side, close to the warning block, of the inner wall of the shell.

Preferably, the number of the semiconductor refrigeration pieces is four, the semiconductor refrigeration pieces are uniformly distributed on the inner wall of the shell, and the semiconductor refrigeration pieces play a role in generating current.

Preferably, the structure of warning piece is the tourus structure, the material of warning piece is stainless steel material, warning piece and leather collar fixed connection, the warning piece has played the effect of warning.

Preferably, the structure of warning piece is the tourus structure, the material of warning piece is stainless steel material, warning piece and leather collar fixed connection, the warning piece has played the effect of warning.

Preferably, the structure of ring gear is the torus structure, the structure of stopper is the cone structure, the size of stopper suits with the size of ring gear inner wall fixture block, the size of ring gear suits with the size of recess, and the ring gear has played spacing effect.

Preferably, the quantity of the electromagnets is the same as that of the magnetic plates, the magnetism of the opposite surfaces of the electromagnets and the magnetic plates is the same, the electromagnets are electrically connected with the semiconductor chilling plates, and the electromagnets and the magnetic plates have a mutual repulsion effect.

Preferably, bracing piece and leather collar fixed connection, the structure of bracing piece is the cylinder structure, the material of leather collar is the rubber material, and the leather collar has played the effect of inflation.

Preferably, the connecting blocks are the same as the stop blocks in number, the connecting blocks are uniformly distributed on the outer side of the fixing shaft, the fixing shaft is of a cylindrical structure, and the stop blocks play a role in connection.

(II) advantageous effects

Compared with the prior art, the invention provides a welding head for welding a fuel supply pipeline of combustion equipment, which has the following beneficial effects:

1. this be used for combustion apparatus fuel supply pipeline welded bonding tool through the principle of semiconductor refrigeration piece, when having realized that reuse needs to adjust the bonding tool, the temperature on its surface of judgement that can be accurate improves staff's consciousness, prevents staff's manual perception, avoids staff's skin scald, improves factor of safety to improve work efficiency, reduce economic loss.

2. This be used for welding of combustion apparatus fuel supply pipeline, through the characteristic of semiconductor refrigeration piece, under the condition that has inside and outside difference in temperature, semiconductor refrigeration piece can produce the electric current for the electro-magnet has magnetism, and based on homopolar magnetic pole repulsion's principle, promote the removal of warning piece, ring gear and spacing block card and ring gear and recess card with, improved the stability of warning piece, prevent rocking of warning piece.

Drawings

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

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

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

FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.

In the figure: 1. a housing; 2. a semiconductor refrigeration sheet; 3. a warning block; 4. a connecting shaft; 5. a limiting block; 6. A toothed ring; 7. a first spring; 8. a fixed shaft; 9. connecting blocks; 10. an electromagnet; 11. a second spring; 12. A stopper; 13. a magnetic plate; 14. a support bar; 15. a leather collar; 16. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a welding head for welding a fuel supply pipeline of a combustion device comprises a housing 1, wherein the inner wall of the housing 1 is fixedly connected with four semiconductor refrigerating sheets 2, the semiconductor refrigerating sheets 2 are uniformly distributed on the inner wall of the housing 1, the semiconductor refrigerating sheets 2 play a role of generating current, the inner wall of the housing 1 is movably connected with a warning block 3, the warning block 3 is of a ring structure, the warning block 3 is made of stainless steel, the warning block 3 is fixedly connected with a leather ring 15, the warning block 3 plays a role of warning, the outer side of the warning block 3 is fixedly connected with a connecting shaft 4, the connecting shaft 4 is of a cylindrical structure, the connecting shafts 4 are two, the connecting shafts 4 are symmetrically distributed on two sides of the warning block 3, the connecting shafts 4 play a role of connection, the outer side of the connecting shaft 4 is movably connected with a toothed ring 6, the structure of the toothed ring 6 is a circular ring structure, the structure of the limiting block 5 is a cone structure, the size of the limiting block 5 is matched with that of a clamping block on the inner wall of the toothed ring 6, the size of the toothed ring 6 is matched with that of the groove 16, the toothed ring 6 plays a limiting role, the inner wall of the connecting shaft 4 is fixedly connected with a spring I7, and the limiting block 5 is fixedly connected to the outer side of the spring I7 and the inner side close to the toothed ring 6;

a fixed shaft 8 is fixedly connected to the inner wall of the shell 1 and the left side close to the warning block 3, a leather collar 15 is movably connected to the outer side of the fixed shaft 8, connecting blocks 9 are fixedly connected to the outer side of the fixed shaft 8, the number of the connecting blocks 9 is the same as that of the stop blocks 12, the connecting blocks 9 are uniformly distributed on the outer side of the fixed shaft 8, the fixed shaft 8 is of a cylindrical structure, the stop blocks 12 play a role in connection, electromagnets 10 are fixedly connected to the inner wall of the connecting blocks 9, the number of the electromagnets 10 is the same as that of the magnetic plates 13, the magnetism of opposite surfaces of the electromagnets 10 and the magnetic plates 13 is the same, the electromagnets 10 are electrically connected with the semiconductor refrigerating sheets 2, the electromagnets 10 and the magnetic plates 13 play a role in;

the outside fixedly connected with dog 12 of two 11 of spring, the inner wall fixedly connected with magnetic sheet 13 of dog 12, the inboard fixedly connected with bracing piece 14 of dog 12, bracing piece 14 and leather collar 15 fixed connection, the structure of bracing piece 14 is the cylinder structure, the material of leather collar 15 is the rubber material, leather collar 15 has played the effect of inflation, the inner wall of casing 1 and the outside that is close to warning piece 3 are seted up flutedly 16.

The working principle is as follows: when a pipeline is welded, a welding head can spray high-temperature flame, when the welding head is not used, residual heat of residual current can be generated, the surface temperature of the shell 1 is high, the temperature difference generated between the inner side and the outer side of the semiconductor refrigerating sheet 2 is large, based on the characteristics of the semiconductor refrigerating sheet 2, the semiconductor refrigerating sheet 2 can generate current, the electromagnet 10 of the semiconductor refrigerating sheet 2 is electrically connected, the magnetism of the opposite surface of the electromagnet 10 and the magnetic plate 13 is the same, the electromagnet 10 can repel the magnetic plate 13, the stop block 12 on the outer side can move towards the outer side, and the stop block 12 is fixedly connected with the supporting rod 14, so that the supporting rod 14 can be driven to move towards the outer side, and the leather ring 15 can expand at the moment, and the;

meanwhile, the toothed ring 6 rotates along with the movement of the warning block 3, the toothed ring 6 extrudes the limiting block 5, the limiting block 5 compresses the first spring 7, and finally, the toothed ring 6 moves into the groove 16 because the toothed ring 6 is matched with the groove 16 formed in the inner side of the shell 1 in size, and the limiting block 5 is clamped with the toothed ring 6 under the action of the first spring 7;

above-mentioned process is as shown in fig. 3, based on the principle of semiconductor refrigeration piece 2, when having realized that reuse needs to adjust the bonding tool, the temperature on its surface of judgement that can be accurate improves staff's consciousness, prevents staff's manual perception, avoids staff's skin scald, improves factor of safety to improve work efficiency, reduce economic loss.

When the temperature of the welding head returns to normal, the inside and the outside of the semiconductor refrigerating sheet 2 have no temperature difference, the inside of the semiconductor refrigerating sheet 2 cannot generate current, the electromagnet 10 loses magnetism, and then loses repulsive force to the magnetic plate 13, so that the stop block 12 returns to the outside of the original connecting block 9 under the restoring force of the second spring 11;

at the moment, the supporting rod 14 with the leather ring 15 shrinks along the outer diameter of the fixed shaft 8, so that the warning block 3 is driven to move inwards, and meanwhile, the limiting block 5 compresses the first spring 7 to be clamped with the toothed ring 6 along with the rotation of the toothed ring 6;

above-mentioned process is as shown in fig. 1, based on the characteristic of semiconductor refrigeration piece 2, under the condition that has the inside and outside difference in temperature, semiconductor refrigeration piece 2 can produce electric current for electro-magnet 10 has magnetism, based on homopolar magnetic pole repulsion's principle, promotes warning piece 3's removal, and the pinion 6 with stopper 5 card and the pinion 6 with recess 16 card with, improved warning piece 3's stability, prevent warning piece 3's rocking.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.