CN218169242U

CN218169242U - Heat exchange tube assembly welding device of heat exchanger

Info

Publication number: CN218169242U
Application number: CN202222317593.7U
Authority: CN
Inventors: 殷明路; 张兴华; 陈康康; 张志刚; 高中良; 买文魁
Original assignee: Henan Longbai Intelligent Equipment Manufacturing Co ltd
Current assignee: Henan Longbai Intelligent Equipment Manufacturing Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-30
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a heat exchanger heat exchange tube assembly welding device, including return bend orthotic devices and assembly welding frock, the assembly welding frock includes the supporting baseplate, the upside symmetry of supporting baseplate is provided with the location riser, evenly be provided with the locating piece on the location riser, be used for putting into the heat exchange tube of treating the welding between the adjacent locating piece that is located same location riser, the both sides limit swing joint of supporting baseplate has side activity riser, both sides evenly are provided with the bolt hole around the side activity riser, the position that two side activity risers are close to the location riser all is provided with fixed riser, the intermediate position of side activity riser and fixed riser is used for placing the person in charge, both sides are connected with a backplate through bolt hole and the bolt that the level aligns respectively around two side activity risers; the utility model discloses not only can correct the heat transfer pipe, reach good butt joint effect, but also can improve the work efficiency who is responsible for the front and back assembly welding greatly.

Description

Heat exchange tube assembly welding device of heat exchanger

Technical Field

The utility model relates to a titanium sponge equipment manufacturing technical field specifically is a heat exchanger heat exchange tube assembly welding device.

Background

Heat exchangers (also known as heat exchangers or heat exchange devices) are devices used to transfer heat from a hot fluid to a cold fluid to meet specified process requirements, and are an industrial application of convective and conductive heat transfer; the heat exchanger under the design is short in service life, is improved, is integrally bent by adopting the heat exchange tube, is directly assembled with the main steel tube, reduces welding seams, and has the assembly welding effect shown in figure 1, but the assembly welding difficulty is increased by the improvement, and the assembly welding efficiency is greatly reduced under the condition that the front part and the rear part of the main tube are required to be assembled and welded; therefore, it is very necessary to provide a heat exchanger heat exchange tube assembly welding device with good butt joint effect and high assembly welding efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a heat exchanger heat exchange tube assembly welding device, not only can correct the heat exchange tube, reach good butt joint effect, but also can improve the work efficiency who is responsible for the front and back assembly welding greatly, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat exchanger heat exchange tube assembly welding device, includes return bend orthotic devices and assembly welding frock, the assembly welding frock includes the supporting baseplate, the bottom four corners welding of supporting baseplate has the supporting leg, the upside symmetry of supporting baseplate is provided with the location riser, evenly be provided with the locating piece on the location riser, the locating piece that is located two location risers is the level alignment respectively, is used for putting into between the adjacent locating piece that is located same location riser and treats the welded heat exchange tube, the both sides limit swing joint of supporting baseplate has side activity riser, both sides evenly are provided with the bolt hole around the side activity riser, and the bolt hole level that two side activity risers symmetry set up and correspond aligns, and two the position that side activity riser is close to the location riser all is provided with fixed riser, two fixed riser symmetry sets up and all welds the upside at the supporting baseplate, side activity riser with the intermediate position of fixed riser is used for placing the backplate and is responsible for, two the front and back both sides of side activity riser have a bolt hole and the bolted connection that aligns through the level respectively.

The elbow correcting device comprises an I-shaped bottom plate, wherein a horizontal positioning block is welded on one side of the I-shaped bottom plate, an elbow correcting plate is welded on the other side of the I-shaped bottom plate, the horizontal positioning block is formed by welding H-shaped steel and two horizontally symmetrical steel plates, and the elbow correcting plate is formed by welding the horizontally symmetrical steel plates.

The utility model discloses a support plate, including the bottom plate, the bottom plate is fixed with the bottom of support plate, the downside of support plate is close to the position welding of location riser and has the location cardboard, the downside fixedly connected with rotary bottom post of location riser, the downside fixedly connected with twist grip of rotary bottom post, the fixed position that the inside of support plate is located rotary bottom post is provided with the bearing piece, and twist grip can move about and the joint is on the location cardboard.

The quantity of supporting leg is 4, is connected with two fixture blocks around the tip of the side activity riser of every side, the quantity of fixture block be 4 and with 4 the supporting leg corresponds, the position that the supporting leg is close to the fixture block is provided with positioning groove, and the fixture block can insert in positioning groove.

The locating piece runs through the inside of setting at the location riser, the locating piece can pass around the location riser is inside, the both ends of locating piece all are provided with the stop part.

And a rubber base is arranged at the upper side of the supporting base plate and positioned in the middle of the side movable vertical plate and the fixed vertical plate.

Furthermore, the rubber base is in the shape of a disk with a concave middle part.

Compared with the prior art, the beneficial effects of the utility model are that: this heat exchanger heat exchange tube assembly welding device has following benefit:

1. the utility model discloses a return bend orthotic devices of adoption can be corrected difficult group's heat exchange tube, reaches smooth group's effect, and return bend orthotic devices comprises subassemblies such as H shaped steel, steel sheet and angle steel, simple structure, and the processing cost is low, can satisfy the centre-to-centre spacing correction to the heat exchange tube, realize that the heat exchange tube is right and the welding with the quick group of being responsible for.

2. The assembly welding tool of the utility model adopts a side edge supporting welding mode, and can improve the assembly welding efficiency under the condition that assembly welding is needed at the front and the back of the main pipe; the positioning vertical plates are provided with positioning blocks with pre-designed intervals, so that the heat exchange pipes can be supported and positioned, and the intervals of the heat exchange pipes are ensured to meet the design requirements; the main pipe is positioned by adopting the fixed vertical plate and the side movable vertical plate, and the width of the fixed vertical plate is designed in advance to ensure the space size between the two heat exchange pipes; the front side and the rear side of the two side movable vertical plates are respectively connected with a support guard plate through bolt holes and bolts which are horizontally aligned, and the stability during assembly welding can be ensured.

3. The positioning block penetrates through the positioning vertical plate, and after the heat exchange tube at one side of the heat exchanger is welded, the positioning block can be pushed to extend out of the other side of the heat exchanger, so that the welding of the heat exchange tube at the other side is facilitated, and the working efficiency of bilateral welding is greatly improved; the location riser sets to the rotation type, and the side activity riser that is located both sides sets to detachable with the connected mode of supporting baseplate, can avoid welding deformation to be difficult for taking out heat exchanger's problem.

Drawings

FIG. 1 is a schematic view of assembly welding effect;

fig. 2 is a schematic structural view of the elbow straightening device of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a side view of FIG. 2;

FIG. 5 is a schematic structural view of the assembly and welding tool of the present invention;

FIG. 6 is an enlarged view of a portion of the area A in FIG. 5;

FIG. 7 is an enlarged view of a portion of the area B of FIG. 5;

fig. 8 is a top view of fig. 5.

In the figure: the pipe head straightening device comprises a bent pipe straightening device 1, an 11I-shaped bottom plate, a 12 horizontal positioning block, a 13 pipe head straightening plate, a 2-group welding tool, a 21 supporting bottom plate, a 211 positioning clamping plate, a 212 bearing block, 22 supporting legs, a 221 positioning clamping groove, a 23 positioning vertical plate, a 231 positioning block, a 232 rotating bottom column, a 233 rotating handle, a 234 blocking part, a 24 fixing vertical plate, a 25-side movable vertical plate, a 251 bolt hole, a 252 clamping block, a 26 rubber base, a 27 supporting plate, 28 bolts, a 3 heat exchange pipe, a 4 main pipe and a 41-group welding interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1 to 8, the present embodiment provides a technical solution: a heat exchanger heat exchange tube assembly welding device comprises a bent tube correcting device 1 and an assembly welding tool 2;

the elbow correcting device 1 comprises an I-shaped bottom plate 11, wherein a horizontal positioning block 12 is welded on one side of the I-shaped bottom plate 11, an elbow correcting plate 13 is welded on the other side of the I-shaped bottom plate 11, the horizontal positioning block 12 is formed by welding H-shaped steel and two horizontally symmetrical steel plates, and the elbow correcting plate 13 is formed by welding the horizontally symmetrical steel plates; the adopted bent pipe correction device 1 can correct the heat exchange pipes which are not easy to assemble to achieve the effect of smooth assembly, the specific structure is shown in figures 2-4, and the bent pipe correction device is composed of components such as H-shaped steel, steel plates and angle steel, and can meet the requirements of correcting the center distance of the heat exchange pipes 3 and quickly assembling and welding the heat exchange pipes 3 and the main pipes 4;

as shown in fig. 5, the assembly welding tool 2 includes a supporting base plate 21, supporting legs 22 are welded at four corners of the bottom of the supporting base plate 21, positioning vertical plates 23 are symmetrically arranged on the upper side of the supporting base plate 21, positioning blocks 231 are uniformly arranged on the positioning vertical plates 23, the positioning blocks 231 located in the two positioning vertical plates 23 are respectively horizontally aligned, a heat exchange tube 3 to be welded is placed between adjacent positioning blocks 231 located in the same positioning vertical plate 23, two side edges of the supporting base plate 21 are movably connected with side movable vertical plates 25, bolt holes 251 are uniformly arranged on the front and back sides of the side movable vertical plates 25, the two side movable vertical plates 25 are symmetrically arranged and horizontally aligned with the corresponding bolt holes 251, fixed vertical plates 24 are arranged at positions of the two side movable vertical plates 25 close to the positioning vertical plates 23, the two fixed vertical plates 24 are symmetrically arranged and are all welded on the upper side of the supporting base plate 21, the middle positions of the side movable vertical plates 25 and the fixed vertical plates 24 are used for placing a main tube 4, and support plates 27 are respectively connected to the front and back sides of the side movable vertical plates 25 through the bolt holes 251 and the bolt 28 which are horizontally aligned.

In order to facilitate taking off the heat exchanger after the assembly welding, the utility model discloses set the rotation type to location riser 23, as shown in fig. 6, specifically be: the rotatory base pillar 232 of downside fixedly connected with of location riser 23, the fixed position that the inside of supporting baseplate 21 is located rotatory base pillar 232 is provided with bearing block 212, for further improve the convenience of rotatory operation and fixed-position welding's fastness, the position welding that the downside of supporting baseplate 21 is close to location riser 23 has location cardboard 211, the downside fixedly connected with twist grip 233 of rotatory base pillar 232, twist grip 233 can move about and the joint is at location cardboard 211, when needs welding position, through twist grip 233 and joint on location cardboard 21, when the heat exchanger that the assembly welding was ended is taken off to needs, can take out twist grip 233 from location cardboard 21 and rotate, make locating piece 231 on the location riser 23 unblock heat exchange tube 3 under rotatory base pillar 232's drive, and then conveniently take out heat exchanger.

When welding in heat exchanger 3 and the assembly welding interface 41 who is responsible for 4, owing to the thermal expansion, be responsible for 4 and often can expand outward by size, can appear from this when being responsible for 4 and fix a position on assembly welding frock 2 and weld the problem of taking off after finishing very difficultly again, consequently, the utility model discloses the side activity riser 25 that will be located both sides sets up to detachable with supporting baseplate 21's connected mode, as shown in fig. 7, specifically is: the quantity of supporting leg 22 is 4, the tip of the side activity riser 25 of every side is connected with two fixture blocks 252 around, the quantity of fixture block 252 is 4 and corresponds with 4 supporting legs 22, supporting leg 22 is provided with positioning groove 221 near the position of fixture block 252, fixture block 252 can insert in positioning groove 221, when needs location assembly welding, insert in positioning groove 221 through fixture block 252, will be responsible for 4 and fix in the middle of side activity riser 25 and fixed riser 24, after the assembly welding finishes, can promote the side activity riser 25 and pull out from positioning groove 221, thereby be convenient for take out and be responsible for 4.

For better effect, the locating piece 231 runs through the inside that sets up at location riser 23, as shown in fig. 8, the locating piece 231 can pass around the location riser 23 is inside, the both ends of locating piece 231 all are provided with the barrier part 234, and after one side heat exchange tube 3 of heat exchanger finishes welding, can promote the locating piece 231 and stretch out at the opposite side, and the welding of the opposite side heat exchange tube 3 of being convenient for improves bilateral welded work efficiency, and the setting of barrier part 234 can prevent that the locating piece 231 from breaking away from the location riser 23 in the process of passing.

For better effect, as shown in fig. 7 and 8, a rubber base 26 is disposed on the upper side of the supporting bottom plate 21 at a position between the side movable vertical plate 25 and the fixed vertical plate 24, so as to prevent the main pipe from deforming to cause the assembly welding tool 2 to crack.

Furthermore, the rubber base 26 is shaped like a disk with a concave middle part, and the shape and the size are more matched with those of the main pipe 4.

The utility model provides a pair of heat exchanger heat exchange tube assembly welding device, including return bend orthotic devices 1 and assembly welding frock 2, its theory of operation as follows: firstly, horizontally placing a simmered heat exchange tube 3 on the upper side of a bend correcting device 1 for correcting the center distance, placing a main tube 4 on the side edge of a fixed vertical plate 24, ensuring that two-side assembly welding interfaces 41 of the main tube 4 face the front and back sides of an assembly welding tool 2, then clamping a clamping block 252 of a side movable vertical plate 25 into a positioning clamping groove 221 of a supporting leg 22, horizontally positioning a support guard plate 27 on the front and back sides of the side movable vertical plate 25 on two sides through a bolt 28 and a bolt hole 251 of the side movable vertical plate 25, and completing the positioning of the main tube 4; horizontally placing the corrected heat exchange tubes 3 on the positioning blocks 231 with the designed intervals, aligning the two ends of the heat exchange tubes 3 with the assembly welding interfaces 41 of the main tubes 4 for assembly welding, pushing the positioning blocks 231 to extend out towards the other side after the assembly welding of the heat exchange tubes 3 on one side is finished in sequence, and then welding the heat exchange tubes 3 on the other side to finish the assembly welding of the heat exchanger; finally, the rotating handle 233 is operated to rotate 90 degrees, so that the positioning block 231 is separated from the support of the heat exchange tube 3, the bolt 28 connecting the side movable vertical plate 25 and the supporting plate 27 is removed, the side movable vertical plate 25 is pulled out, and then the heat exchanger after assembly welding is hoisted from the upper side through the hoisting equipment, so that the heat exchanger is separated from the assembly welding tool 2 to a specified position.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides a heat exchanger heat exchange tube assembly welding device, includes return bend orthotic devices (1) and assembly welding frock (2), its characterized in that: the assembly welding tool (2) comprises a supporting base plate (21), supporting legs (22) are welded at four corners of the bottom of the supporting base plate (21), positioning vertical plates (23) are symmetrically arranged on the upper side of the supporting base plate (21), positioning blocks (231) are uniformly arranged on the positioning vertical plates (23), the positioning blocks (231) located on the two positioning vertical plates (23) are horizontally aligned respectively, a heat exchange tube (3) to be welded is placed between the adjacent positioning blocks (231) located on the same positioning vertical plate (23), two side edges of the supporting base plate (21) are movably connected with side movable vertical plates (25), bolt holes (251) are uniformly arranged on the front side and the rear side of each side movable vertical plate (25), the two side movable vertical plates (25) are symmetrically arranged and horizontally aligned with the corresponding bolt holes (251), fixed vertical plates (24) are arranged at positions, close to the positioning vertical plates (23), the two fixed vertical plates (24) are symmetrically arranged and are welded on the upper side of the supporting base plate (21), the middle positions of the side movable vertical plates (25) and the fixed vertical plates (24) are used for placing main tubes (4), and the front and rear movable vertical plates (25) are connected with bolt holes (27) through horizontal bolt holes.

2. A heat exchanger tube assembling and welding apparatus as recited in claim 1, wherein: the elbow correcting device (1) comprises an I-shaped bottom plate (11), a horizontal positioning block (12) is welded on one side of the I-shaped bottom plate (11), an elbow correcting plate (13) is welded on the other side of the I-shaped bottom plate (11), the horizontal positioning block (12) is formed by welding H-shaped steel and two horizontally symmetrical steel plates, and the elbow correcting plate (13) is formed by welding the horizontally symmetrical steel plates.

3. A heat exchanger tube assembling and welding apparatus as recited in claim 1, wherein: the utility model discloses a bearing block, including supporting baseplate (21), the downside of supporting baseplate (21) is close to the position welding of location riser (23) and has location cardboard (211), downside fixedly connected with rotary bottom post (232) of location riser (23), downside fixedly connected with twist grip (233) of rotary bottom post (232), the fixed position that the inside of supporting baseplate (21) is located rotary bottom post (232) is provided with bearing piece (212), and twist grip (233) can move about and the joint is on location cardboard (211).

4. A heat exchanger tube assembling and welding apparatus as claimed in claim 1, wherein: the number of the supporting legs (22) is 4, two clamping blocks (252) are connected to the front and back of the end portion of the side movable vertical plate (25) on each side, the number of the clamping blocks (252) is 4, the clamping blocks (252) correspond to the 4 supporting legs (22), a positioning clamping groove (221) is formed in the position, close to the clamping blocks (252), of each supporting leg (22), and the clamping blocks (252) can be inserted into the positioning clamping grooves (221).

5. A heat exchanger tube assembling and welding apparatus as recited in claim 1, wherein: the locating piece (231) runs through the inside of setting at location riser (23), locating piece (231) can pass around in location riser (23) inside, the both ends of locating piece (231) all are provided with stopper portion (234).

6. A heat exchanger tube assembling and welding apparatus as recited in claim 1, wherein: and a rubber base (26) is arranged at the upper side of the supporting bottom plate (21) and in the middle position of the side movable vertical plate (25) and the fixed vertical plate (24).

7. A heat exchanger tube assembling and welding apparatus as recited in claim 6, wherein: the rubber base (26) is in the shape of a disc with a concave middle part.