CN-224209421-U - Adjustable positioning mechanism for large-scale bent pipe

Abstract

The utility model relates to the technical field of auxiliary positioning tools for welding bent pipes, in particular to an adjustable positioning mechanism for large bent pipes, which comprises an angle adjusting part, a hinged bracket part, an installation bearing part and a clamping and positioning assembly; the angle adjusting part is arranged at the outer side surface of the hinged bracket part and is connected with the hinged bracket part, the installation bearing part for adapting to the placement of the bent pipe is arranged in the hinged bracket part, and when the angle adjusting part is specifically used, the angle adjusting part can clamp and position and angle adjust the large bent pipe through the synergistic effect of the angle adjusting part, the hinged bracket part, the installation bearing part, the clamping and positioning assembly and other components, so that the auxiliary positioning requirement of the large bent pipe is met.

Inventors

• MA YUXING
• ZHAO ZHONGYANG

Assignees

• 洛阳博塔智能装备有限公司

Dates

Publication Date

20260508

Application Date

20250516

Claims (6)

1. 1. The adjustable positioning mechanism for the large-scale bent pipe is characterized by comprising an angle adjusting part (1), a hinged bracket part (2), an installation bearing part (3) and a clamping positioning assembly (4), wherein the hinged bracket part (2) is installed on external indexing equipment, and the whole hinged bracket part (2) is of a U-shaped frame structure; The angle adjusting part (1) is arranged at the outer side surface of the hinged bracket part (2) and is connected with the hinged bracket part (2), and the hinged bracket part (2) is internally provided with an installation bearing part (3) for adapting to the placement of the bent pipe; One side of the installation bearing part (3) is rotationally connected with the hinged bracket part (2), the other side of the installation bearing part (3) is connected with the driving end of the angle adjusting part (1), the installation bearing part (3) is provided with a clamping and positioning assembly (4), and the clamping and positioning assembly (4) is installed and connected with the installation bearing part (3) through an installation bolt.
2. 2. The adjustable positioning mechanism for large-scale bent pipes according to claim 1, wherein the hinged bracket part (2) comprises a mounting frame (21), side plates (22) and supporting seats (23), the side plates (22) are arranged at two inner sides of the mounting frame (21), the side plates (22) are fixedly connected with the mounting frame (21), and the supporting seats (23) are arranged on the side plates (22) and are used for rotatably supporting the mounting bearing part (3).
3. 3. The adjustable positioning mechanism for large-scale bent pipes according to claim 2, wherein the angle adjusting part (1) comprises a driving motor (11), a commutator (12) and a butt joint seat (13), the driving motor (11) is installed at a power input end of the commutator (12), the commutator (12) is connected with an edge side plate (22) through the butt joint seat (13), an output shaft for outputting torque is installed on the commutator (12), and the commutator (12) is connected with the installation bearing part (3) through an output shaft belt.
4. 4. The adjustable positioning mechanism for large-scale bent pipes according to claim 2, wherein the installation bearing part (3) comprises a bearing seat (31), fixed side plates (32) and a supporting shaft (33), the fixed side plates (32) are respectively installed on two sides of the upper part of the bearing seat (31), one side end part of the supporting shaft (33) is fixedly installed on the fixed side plates (32), the other side of the supporting shaft (33) is in rotary contact with the supporting seat (23), and a placement space for accommodating bent pipes is formed between the bearing seat (31) and the fixed side plates (32).
5. 5. The adjustable positioning mechanism for large-scale bent pipes according to claim 4, wherein guide rods (34) are fixedly arranged on two sides of the upper portion of the bearing seat (31), limiting blocks (35) are movably mounted on the guide rods (34), and the limiting blocks (35) are used for limiting the bent pipes in a contact mode.
6. 6. The adjustable positioning mechanism for large-scale bent pipes according to claim 4, wherein the clamping positioning assembly (4) comprises a first support frame (41), a second support frame (42), a turnover frame (43), a hinge pin (44), a connecting bolt (45) and an adjusting screw (46), the hinge pin (44) is arranged on the upper portion of the first support frame (41), one side of the turnover frame (43) is in rotary contact with the hinge pin (44), the other side of the turnover frame (43) is connected with the second support frame (42) through the connecting bolt (45), the adjusting screw (46) is arranged on the turnover frame (43) in a threaded mode, and a contact compression head (47) is arranged at the bottom of the adjusting screw (46).

Description

Adjustable positioning mechanism for large-scale bent pipe Technical Field The utility model relates to the technical field of auxiliary positioning tools for bent pipe welding, in particular to an adjustable positioning mechanism for a large bent pipe. Background The large-caliber high-pressure pipe is a pipeline product for conveying fluid on engineering and large-scale equipment, and is divided into a hot-rolled seamless steel pipe and a cold-drawn seamless steel pipe due to different manufacturing processes, and the cold-drawn pipe is divided into a round pipe and a special pipe. The large-scale return bend is indispensable in the connection of heavy-calibre high pressure pipe, in specific production and processing process, and processing personnel need carry out welding process to large-scale return bend through welding equipment, and during the return bend welding, need fix a position it through welding frock, and current welding auxiliary fixtures only is suitable for the fixed centre gripping location of straight tube, can not satisfy the auxiliary positioning and the angle adjustment after the location to large-scale return bend, based on this, designs an auxiliary positioning mechanism that can be applicable to large-scale return bend extremely urgent. Disclosure of utility model The utility model mainly aims to provide an adjustable positioning mechanism for a large-sized bent pipe, which can clamp and position the large-sized bent pipe and adjust the angle through the cooperative action of components such as an angle adjusting part, a hinged bracket part, an installation bearing part, a clamping and positioning assembly and the like when the adjustable positioning mechanism is particularly used, so that the auxiliary positioning requirement of the large-sized bent pipe is met. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The adjustable positioning mechanism for the large-scale bent pipe comprises an angle adjusting part, a hinged bracket part, an installation bearing part and a clamping and positioning assembly, wherein the hinged bracket part is installed on external indexing equipment; The angle adjusting part is arranged at the outer side surface of the hinged bracket part and is connected with the hinged bracket part, and an installation bearing part which is adapted to the placement of the bent pipe is arranged in the hinged bracket part; One side of the installation bearing part is rotationally connected with the hinged bracket part, the other side of the installation bearing part is connected with the driving end of the angle adjusting part, and the installation bearing part is provided with a clamping and positioning assembly which is connected with the installation bearing part in an installation way through an installation bolt. The hinged bracket part comprises a mounting frame, side plates and a supporting seat, wherein the outer side of the mounting frame is mounted on peripheral rotary equipment, the side plates are arranged at two sides of the inner side of the mounting frame, the side plates are fixedly connected with the mounting frame, and the supporting seat is mounted on the side plates and used for rotatably supporting the mounting bearing part. The angle adjusting part comprises a driving motor, a commutator and a butt joint seat, wherein the driving motor is arranged at the power input end of the commutator and used for providing torque input for the commutator, the commutator is connected with the side plate through the butt joint seat, an output shaft for outputting torque is arranged on the commutator, and the commutator is connected with the installation bearing part through an output shaft belt and used for driving the installation bearing part to adjust the angle. The installation bearing part comprises a bearing seat, fixed side plates and a supporting shaft, wherein the fixed side plates are respectively arranged on two sides of the upper part of the bearing seat, the fixed side plates are fixedly connected with the bearing seat, one side end part of the supporting shaft is fixedly arranged on the fixed side plates, the other side of the supporting shaft is in rotary contact with the supporting seat, and a placement space for accommodating bent pipes is formed between the bearing seat and the fixed side plates. Further, guide rods are fixedly arranged on two sides of the upper portion of the bearing seat, limiting blocks are movably mounted on the guide rods and used for limiting the bent pipe in a contact mode. The clamping and positioning assembly comprises a first support frame, a second support frame, a roll-over stand, a hinge pin, a connecting bolt and an adjusting screw rod, wherein the lower parts of the first support frame and the second support frame are connected with a fixed side plate through a mounting bolt, the hinge pin is arranged on the upper part of the first support frame, one side of th