Dead-corner-free welding positioner for dual drums

Abstract

A dead-corner-free welding positioner for dual drums, which solves the problems of overall equipment size being large and welding being inconvenient caused by the requirement of connecting two drums with a convection tube during existing dual-drum processing. The dead-corner-free welding positioner for dual drums comprises two sliding carriages (2) arranged opposite each other on a track (1), wherein retaining seats (3) configured to mount the drums are respectively arranged on the two sliding carriages (2), and the two retaining seats (3) are arranged opposite each other; and two retaining slots (4) in each retaining seat (3) are respectively located on two sides of a spindle plane. The retaining seats (3) respectively arranged on the two sliding carriages (2) are configured to mount two drums, thereby ensuring that the two drums are always symmetrically arranged after being mounted; the retaining seats (3) can be driven by an electric motor in a welding process, so as to rotate the drums, thereby facilitating welding; and the drums and a base can be assembled at the same time, thereby greatly improving the production efficiency and also improving the product quality.

Description

A double-drum welding tilting table with no dead angle Technical Field

[0001] This utility model relates to the field of welding equipment technology, and in particular to a double-drum welding tilting table with no dead angle. Background Technology

[0002] A boiler drum is a cylindrical pressure vessel in a water-tube boiler used for steam-water separation and steam purification, forming a water circulation loop and storing boiler water; it is also called a steam tank. Its main functions are steam-water separation, circulating water supply, and conveying saturated steam. The boiler drum contains a certain amount of water, storing heat and working fluid. It slows down pressure changes during operating conditions and acts as a buffer when feedwater and load are temporarily out of sync. Internal devices are installed for steam-water separation, steam purification, chemical dosing, and continuous blowdown to ensure steam quality. To improve conveying efficiency, a double-drum configuration with mutual convection is commonly used. However, the manufacturing process of a double-drum boiler requires connecting the two drums via convection pipes. After the two drums are installed and fixed, the convection pipes are welded to the drums. This results in a large overall equipment size, inconvenient movement of the drums after installation, and difficulties in welding, leading to inconsistent weld quality. The existing technology has room for improvement. Summary of the Invention

[0003] This utility model provides a double-boiler welding tilting table with no dead angle, which addresses the above-mentioned existing situation. It includes two sliding frames arranged opposite each other on a track. Each sliding frame is provided with a mounting seat for mounting the boiler. The two mounting seats are arranged opposite each other and have two slots for mounting the boiler. A motor that drives the mounting seats to rotate is provided on the sliding frame. The motor is fixed to the mounting seats through a main shaft. The two slots on the mounting seats are located on both sides of the plane where the main shaft is located.

[0004] Preferably, the sliding frame is provided with several counterweights on the side away from the card seat.

[0005] Preferably, the motor drives the main shaft to rotate via a differential.

[0006] Preferably, locking plates for locking the pot drum are movably provided at both ends of the card holder, and mounting grooves for installing the locking plates are provided at both ends of the card holder. The mounting grooves penetrate the card holder along the width direction, and the thickness of the mounting grooves is less than the thickness of the card holder. Two inclined surfaces for abutting against the pot drum are respectively provided at the bottom of the card grooves and on the side of the locking plates facing the bottom of the card grooves.

[0007] Preferably, a locking pin is provided on each side of the locking plate, penetrating the aforementioned card holder. The card holder has a guide groove for engaging the locking pin. The two guide grooves are located on both sides of the aforementioned card holder. A baffle and a knob for fixing the locking plate are respectively provided at both ends of the locking pin. The baffle is fixedly mounted on the locking pin, and the knob is movably mounted on the locking pin via a threaded connection.

[0008] Preferably, the guide groove extends along the length of the card holder.

[0009] Preferably, the inclined surface is provided with an anti-slip strip for abutting against the pot drum, and the anti-slip strip is made of rubber.

[0010] Preferably, a pressure block is fixedly provided on each of the two sides of the locking plate away from the card seat.

[0011] Preferably, the outer periphery of the knob is covered with anti-slip grooves.

[0012] Compared with the prior art, this utility model uses a bracket set on two sliding frames to install two pot drums, ensuring that the two pot drums are always symmetrically set after installation. During the welding process, the pot drums can be rotated by a motor driven by the bracket, making welding more convenient. The pot drums and the base can be assembled simultaneously, which greatly improves production efficiency and product quality. Attached Figure Description

[0013] Figure 1 is a schematic diagram of the structure of this utility model.

[0014] Figure 2 is a schematic diagram of the card slot structure.

[0015] Figure 3 is a schematic diagram of the locking plate.

[0016] Figure 4 is an enlarged view of point A in Figure 2.

[0017] The markings in the diagram are: 1. Track; 2. Sliding frame; 3. Card holder; 4. Card slot; 5. Motor; 6. Main shaft; 7. Counterweight; 8. Differential; 9. Locking plate; 10. Mounting slot; 11. Inclined surface; 12. Locking pin; 13. Guide groove; 14. Baffle; 15. Knob; 16. Anti-slip strip; 17. Pressure block; 18. Anti-slip groove. Detailed Implementation

[0018] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:

[0019] As shown in Figures 1-4, a double-boiler welding tilting table with no dead angle includes two sliding frames 2 arranged opposite each other on a track 1. One sliding frame 2 is fixedly mounted on the track 1. Each of the two sliding frames 2 is provided with a mounting bracket 3 for installing the boiler drum. The two mounting brackets 3 are arranged opposite each other, and each mounting bracket 3 has two slots 4 for installing the boiler drum. A motor 5 is mounted on each sliding frame 2 to drive the mounting bracket 3 to rotate. The motor 5 is fixed to the mounting bracket 3 via a main shaft 6. The two slots 4 on the mounting bracket 3 are located on opposite sides of the plane of the main shaft 6. Several counterweights 7 are provided on the side of the sliding frame 2 away from the mounting bracket 3. The motor 5 drives the main shaft 6 to rotate via a differential 8.

[0020] Two pot drums are installed using mounting brackets 3 on two sliding frames 2, ensuring that the two pot drums are always symmetrically positioned after installation. During the welding process, the mounting brackets 3 can be driven by motor 5 to rotate the pot drums, making welding more convenient. The pot drums and bases can be assembled simultaneously, greatly improving production efficiency and product quality. Furthermore, the sliding frames 2, which are movably mounted on the track 1, allow for easy adjustment of the distance between the two sliding frames 2 according to different products, and the counterweights 7 ensure overall stability.

[0021] The mounting base 3 has locking plates 9 movably mounted at both ends for locking the pot drum. Mounting grooves 10 for mounting the locking plates 9 are also provided at both ends of the mounting base 3. These mounting grooves 10 extend through the mounting base 3 along its width, and their thickness is less than the thickness of the mounting base 3. Two inclined surfaces 11, one at the bottom of the mounting groove 4 and the other on the side of the locking plates 9 facing the bottom of the groove 4, are respectively provided for abutting against the pot drum. Anti-slip strips 16, made of rubber, are provided on the inclined surfaces 11 for abutting against the pot drum. During installation, the mounting base 3 is rotated to make its length vertical, and the two ends of the pot drum are placed in the mounting grooves 4 on the two mounting bases 3. The weight of the pot drum ensures that its center remains in the same position after installation, guaranteeing the consistent quality of products from the same batch.

[0022] A locking pin 12 is provided on each side of the locking plate 9, penetrating the aforementioned card holder 3. The card holder 3 has a guide groove 13 for engaging the locking pin 12. The two guide grooves 13 are located on both sides of the aforementioned card slot 4, and the guide grooves 13 extend along the length of the card holder 3. A baffle 14 and a knob 15 for fixing the locking plate 9 are respectively provided at both ends of the locking pin 12. The baffle 14 is fixedly mounted on the locking pin 12, and the knob 15 is movably mounted on the locking pin 12 by a threaded connection. The outer periphery of the knob 15 is covered with anti-slip grooves 18, which allow the knob 15 to be easily rotated. A pressure block 17 is fixedly provided on each side of the locking plate 9 away from the aforementioned card holder 3. By removing the locking pin 12 on one side of the locking plate 9, the locking plate 9 can be rotated to open the slot 4. The pot drum can be directly inserted into the slot 4 from both ends of the seat 3. Rotating the locking plate 9 will fasten the locking plate 9 onto the pot drum. By adjusting the position of the two locking pins 12 in the guide groove 13, the two locking pins 12 on the locking plate 9 are symmetrically locked on both sides of the pot drum. The pressure block 17 set on the locking plate 9 can firmly press the pot drum against the slot 4 during the installation process. Furthermore, by mounting the pot drum on the seat 3 and then welding the convection pipe, the base can be processed simultaneously during the welding process between the two pot drums, which improves product production efficiency and product quality. The original manufacturing process required the design and manufacture of an independent support fixture based on the base as a platform. Before the base was processed, the upper and lower pot drums and the convection pipe could not be assembled.

[0023] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications to the specification derived therefrom are still within the protection scope of this utility model.

Claims

1. A double-drum welding tilting table with no dead angle, characterized in that, It includes two sliding frames (2) arranged opposite to each other on a track (1). Each of the two sliding frames (2) is provided with a mounting seat (3) for mounting a pot. The two mounting seats (3) are arranged opposite to each other. Each mounting seat (3) has two slots (4) for mounting a pot. Each sliding frame (2) is provided with a motor (5) for driving the mounting seats (3) to rotate. The motor (5) is fixed to the mounting seats (3) by a main shaft (6). The two slots (4) on the mounting seats (3) are located on both sides of the plane where the main shaft (6) is located.

2. The double-drum welding tilting table with no dead angle according to claim 1, characterized in that, The sliding frame (2) has several counterweights (7) on the side away from the card seat (3).

3. The double-drum welding tilting table with no dead angle according to claim 1, characterized in that, The motor (5) drives the main shaft (6) to rotate via the differential (8).

4. The double-drum welding tilting table with no dead angle according to claim 1, characterized in that, The card holder (3) is provided with locking plates (9) for locking the pot drum at both ends. The card holder (3) is provided with mounting grooves (10) for mounting the locking plates (9) at both ends. The mounting grooves (10) penetrate the card holder (3) along the width direction of the card holder (3) and the thickness of the mounting grooves (10) is less than the thickness of the card holder (3). The bottom of the card slot (4) and the side of the locking plate (9) facing the bottom of the card slot (4) are provided with two inclined surfaces (11) for abutting against the pot drum.

5. A double-drum welding tilting table with no dead angle as described in claim 4, characterized in that, On both sides of the locking plate (9), there is a locking pin (12) that passes through the above-mentioned card holder (3). The card holder (3) is provided with a guide groove (13) for engaging the locking pin (12). The two guide grooves (13) are located on both sides of the above-mentioned card slot (4). At both ends of the locking pin (12), there is a baffle (14) and a knob (15) for fixing the locking plate (9). The baffle (14) is fixedly mounted on the locking pin (12), and the knob (15) is movably mounted on the locking pin (12) by threaded connection.

6. The double-drum welding tilting table with no dead angle according to claim 5, characterized in that, The guide groove (13) extends along the length of the card holder (3).

7. A double-drum welding tilting table with no dead angle as described in claim 4, characterized in that, The inclined surface (11) is provided with an anti-slip strip (16) for abutting against the pot drum, and the anti-slip strip (16) is made of rubber.

8. A double-drum welding tilting table with no dead angle as described in claim 4, characterized in that, A pressure block (17) is fixedly provided on each side of the locking plate (9) away from the card seat (3).

9. A double-drum welding tilting table with no dead angle as described in claim 5, characterized in that, The outer periphery of the knob (15) is covered with anti-slip grooves (18).

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