Roundness adjusting device for steel pipe orifice of electric iron tower

Abstract

The utility model relates to the technical field of electric iron towers, in particular to an electric iron tower steel pipe orifice roundness adjusting device. According to the technical scheme, the pipe orifice roundness adjusting device comprises a base, a lifting mechanism, a pipe orifice roundness adjusting mechanism and a rotating mechanism, the pipe orifice roundness adjusting mechanism comprises a mounting base, a gear, a spiral disc, spiral blocks, an expansion plate, a hydraulic cylinder and a rack, the gear is rotationally mounted in the mounting base, the spiral disc is fixedly mounted at one end of the gear, and the two spiral blocks are mounted on the front face of the spiral disc at equal intervals; an expansion plate is fixedly installed at the outer end of the spiral block, and a rack is meshed with the bottom of the gear. The two sets of spiral blocks are driven by the rotating spiral disc to do relative reciprocating motion, the spiral blocks moving inwards relatively conduct extrusion necking on a pipe opening through the high-hardness steel blocks, the spiral blocks moving outwards relatively conduct expansion rounding on the pipe opening through the expansion plate, and the purposes of extrusion rounding and expansion rounding of the pipe opening are achieved. And the device is suitable for rounding processing of steel pipe orifices of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power towers, in particular to a device for rounding the pipe orifices of electric power tower steel pipes. Background Technique

[0002] An electric power tower, also known as a transmission line tower, is an indispensable and important part of the power system. It is mainly used to support and fix power lines to ensure the stable operation of the power system. It is a tower-shaped building for power transmission. Its structural feature is mainly a space truss structure. Electric power towers are mainly composed of steel pipes or combined angle steels. Before assembling an electric power tower with steel pipes, it is necessary to carry out rounding processing on the pipe orifices of the steel pipes. For this purpose, a device for rounding the pipe orifices of electric power tower steel pipes is required. Among them, the "device for rounding the pipe orifices of electric power tower steel pipes" disclosed in the application number: "CN203330186U" has solved the technical drawbacks that the diameter of the steel pipe is too small, the power cannot be transmitted 100%, and it is not applicable to steel pipes with different diameters. However, when actually used, there are still many defects in the device for rounding the pipe orifices of steel pipes with a similar structure. For example, it does not have the function of rounding and processing the pipe orifices of steel pipes with different specifications, cannot perform rounding according to the rounding requirements of the pipe orifices of steel pipes with different specifications, and cannot convert the rounding position, reducing the roundness of the pipe orifice rounding. Therefore, it is necessary to design a device for rounding the pipe orifices of electric power tower steel pipes. Content of the Utility Model

[0003] The purpose of the utility model is to provide a device for rounding the pipe orifices of electric power tower steel pipes to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A device for rounding the pipe orifices of electric power tower steel pipes, including a base, a lifting mechanism, a pipe orifice rounding mechanism, and a rotating mechanism. There are two groups of the lifting mechanisms, and both are respectively installed on the moving seats on both sides of the top of the base through chutes. The pipe orifice rounding mechanism and the rotating mechanism are respectively installed on the tops of the two groups of lifting mechanisms. The pipe orifice rounding mechanism includes a mounting seat, a gear, a spiral disk, a spiral block, an expansion plate, a hydraulic cylinder, and a rack. A gear is rotatably installed inside the mounting seat. One end of the gear is fixedly installed with a spiral disk. Two groups of spiral blocks are equidistantly installed on the front surface of the spiral disk. The outer ends of the spiral blocks are fixedly installed with expansion plates. A rack is meshed and installed at the bottom of the gear. One end of the rack is fixedly installed with a hydraulic cylinder. The rotating mechanism includes an adjusting seat, a servo motor, a mounting frame, an electric push rod, and a curved panel.

[0005] Preferably, a relative lead screw extending out is rotatably installed inside the base. One end of the relative lead screw is fixedly installed with a turning handle. A thread bush is threadedly sleeved on the outer side of the relative lead screw, and the top of the thread bush is fixedly connected to the bottom of the pipe orifice rounding mechanism.

[0006] Preferably, a transmission bevel gear rod is rotatably installed inside the moving seat. One end of the transmission bevel gear rod is meshed with a linkage bevel gear. The top of the linkage bevel gear is fixedly installed with a sprocket transmission mechanism. On both sides of the top of the sprocket transmission mechanism, threaded rods are fixedly installed. A threaded sleeve rod is threadedly installed on the outer side of the threaded rod, and the top end of the threaded sleeve rod is fixedly connected to the bottom of the pipe orifice rounding mechanism and the bottom of the rotating mechanism respectively.

[0007] Preferably, a servo motor is fixedly installed inside the adjusting seat. The output end of the servo motor is fixedly installed with a mounting frame. Two groups of electric push rods are fixedly installed on the top and bottom of the mounting frame respectively. One group of electric push rods is fixedly installed with a curved panel.

[0008] Preferably, a fixed seat is fixedly installed at the center of the top of the base. A curved surface bracket is fixedly installed on one side of the top of the fixed seat. A measuring scale is fixedly installed on one side of the curved surface bracket.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] The hydraulic cylinder drives the rack to move. The moving rack drives the spiral disk to rotate through the meshed gear. The rotating spiral disk drives two spiral blocks to move relatively back and forth. The relatively inward moving spiral blocks use high-hardness steel blocks to squeeze and compress the pipe orifice. The relatively outward moving spiral blocks expand and round the pipe orifice through the expansion plate, achieving the purpose of squeezing and rounding and expanding and rounding the pipe orifice, so that the device is suitable for rounding processing of pipe orifices of different specifications of steel pipes; the electric push rods drive two curved panels to move relatively to clamp one end of the steel pipe, ensuring the stability and reliability of the steel pipe during the rounding process. Then, the servo motor drives the mounting frame to flip. The flipped mounting frame drives the steel pipe clamped by the curved panel to flip and adjust the orientation, realizing the automatic conversion of the rounding position of the pipe orifice by the pipe orifice rounding mechanism, ensuring the accuracy of the pipe orifice rounding, and achieving the precise correction of the pipe orifice. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a perspective view of the present utility model;

[0012] Figure 2 is a schematic diagram of the internal structure of the base of the present utility model;

[0013] Figure 3 is a partial structural schematic diagram of the lifting mechanism of the present utility model;

[0014] Figure 4 is a partial structural schematic diagram of the pipe orifice rounding mechanism of the present utility model;

[0015] Figure 5 is a partial structural schematic diagram of the rotating mechanism of the present utility model.

[0016] In the figure: 1, base; 101, turning handle; 102, relative lead screw; 103, lead screw sleeve; 2, lifting mechanism; 201, moving seat; 202, driving bevel gear rod; 203, linkage bevel gear; 204, sprocket drive mechanism; 205, threaded rod; 206, threaded sleeve rod; 3, pipe orifice rounding mechanism; 301, mounting seat; 302, gear; 303, spiral disc; 304, spiral block; 305, expansion plate; 306, hydraulic cylinder; 307, rack; 4, rotating mechanism; 401, adjusting seat; 402, servo motor; 403, mounting frame; 404, electric push rod; 405, curved panel; 5, fixed seat; 501, curved surface bracket; 502, measuring scale. Specific implementation mode

[0017] The technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, the present utility model provides: a pipe orifice rounding device for a steel pipe of a power transmission tower, including a base 1, a lifting mechanism 2, a pipe orifice rounding mechanism 3 and a rotating mechanism 4. There are two groups of lifting mechanisms 2, and both are respectively installed on the moving seats 201 on both sides of the top of the base 1 through chutes. The pipe orifice rounding mechanism 3 and the rotating mechanism 4 are respectively installed on the tops of the two groups of lifting mechanisms 2. The pipe orifice rounding mechanism 3 includes a mounting seat 301, a gear 302, a spiral disc 303, a spiral block 304, an expansion plate 305, a hydraulic cylinder 306, and a rack 307. A gear 302 is rotatably installed inside the mounting seat 301. One end of the gear 302 is fixedly installed with a spiral disc 303. Two groups of spiral blocks 304 are equidistantly installed on the front surface of the spiral disc 303. The outer ends of the spiral blocks 304 are fixedly installed with expansion plates 305. A rack 307 is meshed and installed at the bottom of the gear 302. One end of the rack 307 is fixedly installed with a hydraulic cylinder 306. The rotating mechanism 4 includes an adjusting seat 401, a servo motor 402, a mounting frame 403, an electric push rod 404, and a curved panel 405.

[0019] It should be noted that: a controller is fixedly installed on one side of the lifting mechanism 2 at the bottom of the pipe orifice rounding mechanism 3. The controller is electrically connected to the hydraulic cylinder 306, the servo motor 402, and the electric push rod 404 through wires. The hydraulic cylinder 306 is used to drive the rack 307 to move. The moving rack 307 drives the spiral disk 303 to rotate through the meshing gear 302. The rotating spiral disk 303 drives two groups of spiral blocks 304 to move relatively. The inner ends of the spiral blocks 304 are fixedly installed with high-hardness steel blocks. The inward-moving spiral blocks 304 use the high-hardness steel blocks to squeeze and compress the pipe orifice, and the outward-moving spiral blocks 304 expand and round the pipe orifice through the expansion plate 305, so as to achieve the purpose of squeezing and rounding and expanding and rounding the pipe orifice.

[0020] Further, a relative lead screw 102 extending out is rotatably installed inside the base 1. One end of the relative lead screw 102 is fixedly installed with a turning handle 101. A nut sleeve 103 is threadedly sleeved on the outer side of the relative lead screw 102, and the top of the nut sleeve 103 is fixedly connected to the bottom of the pipe orifice rounding mechanism 3.

[0021] It should be noted that: turning the turning handle 101 drives the relative lead screw 102 to rotate. The rotating relative lead screw 102 drives two groups of pipe orifice rounding mechanisms 3 to move relatively through the nut sleeve 103, which is convenient for adjusting the distance between the two groups of pipe orifice rounding mechanisms 3 according to the length of the steel pipe, so that the device can round and process steel pipes of different lengths.

[0022] Further, a transmission bevel gear rod 202 is rotatably installed inside the moving seat 201. One end of the transmission bevel gear rod 202 is meshingly installed with a linkage bevel gear 203. The top of the linkage bevel gear 203 is fixedly installed with a sprocket transmission mechanism 204. Two threaded rods 205 are fixedly installed on both sides of the top of the sprocket transmission mechanism 204. A threaded sleeve rod 206 is threadedly installed on the outer side of the threaded rod 205, and the top ends of the threaded sleeve rods 206 are fixedly connected to the bottom of the pipe orifice rounding mechanism 3 and the bottom of the rotating mechanism 4 respectively.

[0023] It should be noted that: turning the transmission bevel gear rod 202 drives the sprocket transmission mechanism 204 to rotate through the meshing linkage bevel gear 203. The rotating sprocket transmission mechanism 204 drives the two threaded rods 205 to rotate synchronously. The synchronously rotating threaded rods 205 drive the threaded sleeve rods 206 to move upward. The upward-moving threaded sleeve rods 206 drive the pipe orifice rounding mechanism 3 and the rotating mechanism 4 to be adjusted in height, which is convenient for adjusting according to the pipe processing height.

[0024] Further, a servo motor 402 is fixedly installed inside the adjusting seat 401. The output end of the servo motor 402 is fixedly installed with a mounting bracket 403. Two groups of electric push rods 404 are fixedly installed on the top and bottom of the mounting bracket 403 respectively. A curved panel 405 is fixedly installed on one group of electric push rods 404.

[0025] It should be noted that: the two groups of curved panels 405 are driven by the electric push rod 404 to move relatively to clamp one end of the steel pipe, and then the servo motor 402 drives the mounting bracket 403 to turn over. The turned-over mounting bracket 403 drives the steel pipe clamped by the curved panels 405 to turn over and adjust the orientation, realizing the automatic conversion of the pipe orifice rounding mechanism 3 for the pipe orifice rounding position.

[0026] Furthermore, a fixed seat 5 is fixedly installed at the center of the top of the base 1. One side of the top of the fixed seat 5 is fixedly installed with a curved surface bracket 501, and one side of the curved surface bracket 501 is fixedly installed with a measuring scale 502.

[0027] It should be noted that: the internal structure of the fixed seat 5 is the same as that of the lifting mechanism 2. The height of the curved surface bracket 501 can be adjusted through the fixed seat 5 so that it can support steel pipes of different specifications. The center position of the steel pipe is supported by the curved surface bracket 501, ensuring the stability of the steel pipe during the processing. At the same time, the measuring scale 502 is used to accurately measure the accurate position of the height adjustment of the curved surface bracket 501, facilitating the staff to digitally adjust the height of the curved surface bracket 501.

[0028] The working principle is: by rotating the turning handle 101 to drive the relative lead screw 102 to rotate, the rotating relative lead screw 102 drives the two groups of pipe orifice rounding mechanisms 3 to move relatively through the silk sleeve 103, facilitating the adjustment of the distance between the two groups of pipe orifice rounding mechanisms 3 according to the length of the steel pipe, so that the device can perform rounding processing on steel pipes of different lengths;

[0029] Then rotate the transmission bevel gear rod 202 to drive the sprocket transmission mechanism 204 to rotate through the meshing linkage bevel gear 203. The rotating sprocket transmission mechanism 204 drives the two groups of threaded rods 205 to rotate synchronously. The synchronously rotating threaded rods 205 drive the threaded sleeve rod 206 to move upward. The upward moving threaded sleeve rod 206 drives the pipe orifice rounding mechanism 3 and the rotating mechanism 4 to lift and adjust. According to the specifications of the steel pipe, the height of the curved surface bracket 501 can be adjusted through the fixed seat 5, and the center position of the steel pipe is supported by the curved surface bracket 501;

[0030] According to the specifications of the pipe orifice of the pipeline, select to insert between the two groups of spiral blocks 304 or sleeved the steel pipe orifice outside the expansion plate 305, and then drive the two groups of curved panels 405 to move relatively by the electric push rod 404 to clamp one end of the steel pipe;

[0031] When rounding the pipe orifice of the steel pipe, the hydraulic cylinder 306 drives the rack 307 to move. The moving rack 307 drives the spiral disk 303 to rotate forward through the meshing-connected gear 302. The forward-rotating spiral disk 303 drives the two groups of spiral blocks 304 to move relatively inward. The inward-moving spiral blocks 304 use high-hardness steel blocks to extrude and round the pipe orifice;

[0032] The rack 307 is driven to move by the hydraulic cylinder 306. The moving rack 307 drives the spiral disc 303 to rotate reversely through the meshing-connected gear 302. The reversely rotating spiral disc 303 drives the two groups of spiral blocks 304 to move relatively outward. The outward-moving spiral blocks 304 expand and round the pipe orifice through the expansion plate 305. By the relative reciprocating movement of the spiral blocks 304, the purpose of squeezing and rounding and expanding and rounding the pipe orifice is achieved.

[0033] Then, the servo motor 402 drives the mounting frame 403 to turn over. The turning-over mounting frame 403 drives the steel pipe clamped by the curved panel 405 to turn over and adjust the orientation, so as to realize the automatic conversion of the rounding position of the pipe orifice by the pipe orifice rounding mechanism 3, which is convenient for rounding processing of different positions of the pipe orifice and ensures the rounding precision of the pipe orifice.

[0034] The above specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant revelations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A pipe orifice rounding device for a power transmission tower, comprising a base (1), a lifting mechanism (2), a pipe orifice rounding mechanism (3) and a rotating mechanism (4), characterized in that: There are two sets of the lifting mechanism (2), and both are installed on the moving seats (201) on both sides of the top of the base (1) through sliding grooves. The pipe orifice rounding mechanism (3) and the rotating mechanism (4) are respectively installed on the tops of the two sets of lifting mechanisms (2). The pipe orifice rounding mechanism (3) includes a mounting seat (301), a gear (302), a spiral disk (303), a spiral block (304), an expansion plate (305), a hydraulic cylinder (306), and a rack (307). A gear (302) is rotatably installed inside the mounting seat (301). One end of the gear (302) is fixedly installed with a spiral disk (303). Two sets of spiral blocks (304) are equidistantly installed on the front of the spiral disk (303). The outer ends of the spiral blocks (304) are fixedly installed with expansion plates (305). A rack (307) is meshingly installed at the bottom of the gear (302). One end of the rack (307) is fixedly installed with a hydraulic cylinder (306). The rotating mechanism (4) includes an adjusting seat (401), a servo motor (402), a mounting frame (403), an electric push rod (404), and a curved panel (405).

2. The pipe orifice rounding device for a power transmission tower according to claim 1, wherein: A relative lead screw (102) extending out is rotatably installed inside the base (1). A turning handle (101) is fixedly installed at one end of the relative lead screw (102). A thread sleeve (103) is threadedly sleeved on the outer side of the relative lead screw (102), and the top of the thread sleeve (103) is fixedly connected to the bottom of the pipe orifice rounding mechanism (3).

3. The pipe orifice rounding device for a power transmission tower according to claim 1, characterized in that: A transmission bevel gear rod (202) is rotatably installed inside the moving seat (201). A linkage bevel gear (203) is meshingly installed at one end of the transmission bevel gear rod (202). A sprocket transmission mechanism (204) is fixedly installed at the top of the linkage bevel gear (203). Two threaded rods (205) are fixedly installed on both sides of the top of the sprocket transmission mechanism (204). A threaded sleeve rod (206) is threadedly installed on the outer side of the threaded rod (205), and the top ends of the threaded sleeve rods (206) are respectively fixedly connected to the bottom of the pipe orifice rounding mechanism (3) and the bottom of the rotating mechanism (4).

4. The pipe orifice rounding device for a power transmission tower according to claim 1, characterized in that: A servo motor (402) is fixedly installed inside the adjusting seat (401). An output end of the servo motor (402) is fixedly installed with a mounting frame (403). Two sets of electric push rods (404) are respectively fixedly installed at the top and bottom of the mounting frame (403). One set of electric push rods (404) is fixedly installed with a curved panel (405).

5. The pipe orifice rounding device for a power transmission tower according to claim 1, characterized in that: A fixed seat (5) is fixedly installed at the center of the top of the base (1). A curved surface bracket (501) is fixedly installed on one side of the top of the fixed seat (5). A measuring scale (502) is fixedly installed on one side of the curved surface bracket (501).

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