Full-length drift diameter device for steel pipe

Abstract

The utility model discloses a steel pipe full-length drift diameter device which comprises a drift diameter assembly and a moving assembly, the drift diameter assembly comprises a drift diameter cylinder, the lower end of the drift diameter cylinder is movably provided with an installation pipe, the side surface of the installation pipe is sleeved with a protection ring, the side surface of the protection ring is detachably connected with a drift diameter ring, and the upper end of the drift diameter cylinder is detachably provided with a protection cover. The moving assembly comprises a connecting shaft installed in the drift diameter cylinder, dampers are detachably connected to the two sides of the connecting shaft, springs are connected to the side surfaces of the dampers, and a first moving wheel and a second moving wheel are installed at the tail ends of the dampers correspondingly. The drift diameter assembly is matched with the moving assembly, so that full-length automatic drift diameter operation can be conducted on steel pipes with different lengths, drift diameter efficiency and quality are improved, use is enhanced, stability of the drift diameter device during drift diameter operation can be improved through mutual matching of the structures, and the drift diameter device is convenient to use. And therefore, the smoothness of the drift diameter device can be ensured.

Description

Technical Field

[0001] The utility model relates to the field of steel pipe diameter adjustment, in particular to a full-length steel pipe diameter adjustment device. Background Art

[0002] The steel pipe calibrating device is a device used to clean foreign matter inside the steel pipe so as to facilitate the penetration of the steel pipe. Among them, the "steel pipe calibrating device" disclosed in the application number "CN201620438402.4" is also an increasingly mature technology. Its "steel pipe calibrating device has a scientific and reasonable structural design, simple structure, easy manufacture and assembly, time-saving and labor-saving online detection, low investment, high efficiency, etc. It is a highly innovative steel pipe calibrating device." However, the calibrating device still has the following defects during use: the calibrating device can indeed perform calibrating operation through the provided guide head bracket, connecting rod, calibrating rod guide part and calibrating rod diameter part, but the above-mentioned calibrating device is simple and not convenient for calibrating steel pipes of different lengths. Based on this, it is necessary to provide a calibrating device that can automatically perform full-length calibrating operation on steel pipes of different lengths and enhance versatility. In addition, the stability of the calibrating device during use needs to be improved. Based on this, it is necessary to provide a calibrating device that is convenient for improving calibrating stability and thus ensuring calibrating smoothness. Utility Model Content

[0003] The embodiment of the utility model provides a full-length pipe caliper device, which aims to solve the problem that the existing caliper device is not convenient for automatic caliper operation of steel pipes of different lengths, and the stability needs to be improved.

[0004] To achieve the above-mentioned purpose, the utility model provides a full-length steel pipe diameter device, comprising a diameter component and a moving component;

[0005] The diameter assembly includes a diameter cylinder, a mounting tube is movably mounted on the lower end of the diameter cylinder, a protective ring is sleeved on the side surface of the mounting tube, a diameter ring is detachably connected to the side surface of the protective ring, and a protective cover is detachably mounted on the upper end of the diameter cylinder;

[0006] A moving assembly includes a connecting shaft installed inside a through-diameter cylinder, dampers are detachably connected to both sides of the connecting shaft, springs are connected to the side surfaces of the dampers, a first moving wheel and a second moving wheel are respectively installed at the ends of the dampers, and a hub motor is installed inside the first moving wheel.

[0007] Moreover, connecting grooves are provided on both sides of the through-diameter cylinder, the first moving wheel and the second moving wheel are both installed inside the connecting grooves, and a dustproof net is provided inside the through-diameter cylinder.

[0008] Moreover, a connecting flange is fixedly installed on the upper end of the mounting pipe, and the connecting flange and the through-diameter cylinder are movably connected.

[0009] Moreover, two annular grooves are formed on the side surface of the protective ring, and two clamping rings are fixedly connected to the inner wall of the diameter ring, and the two clamping rings are clamped in the inner part of the annular grooves.

[0010] Moreover, the lower end of the connecting shaft is fixedly connected with a connecting seat, and the connecting seat is connected to the through-diameter cylinder.

[0011] Moreover, both sides of the connecting shaft are fixedly connected with fixing blocks, the surface of the fixing blocks is provided with screw holes, one end of the damper is fixedly connected with a bolt, and the bolt is threadedly connected inside the screw hole.

[0012] Moreover, the other end of the damper is fixedly connected to a ring, a transmission shaft is connected between the first moving wheel and the second moving wheel, the ring is sleeved on the side surface of the transmission shaft, a through hole is opened on the surface of the hub motor, and one end of the transmission shaft is inserted into the inside of the through hole.

[0013] Furthermore, two circular grooves are formed on the inner wall of the first moving wheel, and two positioning rings are fixedly connected to the side surface of the hub motor, and the two positioning rings are both clamped in the inner part of the circular grooves.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. When performing the calibrating operation, first place the calibrating cylinder at one end of the steel pipe, then start the hub motors in the two first moving wheels, thereby driving the first moving wheel and the second moving wheel to rotate. Since the two first moving wheels and the second moving wheels are in contact with both sides of the inner wall of the steel pipe, the calibrating cylinder and its end protective ring and the calibrating ring can be moved along the inner wall of the steel pipe by the first moving wheels and the second moving wheels. Foreign matter in the steel pipe can be cleaned by the calibrating ring. Compared with the calibrating device in the prior art "a steel pipe calibrating device", the present invention can facilitate full-length calibrating operations on steel pipes of different lengths through the cooperation of the above structures, thereby enhancing the versatility of the calibrating device.

[0016] 2. When the diameter-clearing device moves in the steel pipe to perform diameter-clearing operations, the first moving wheel and the second moving wheel move along the steel pipe, and the presence of the damper in conjunction with the spring can slow down the vibration amplitude of the first moving wheel and the second moving wheel when moving, thereby significantly improving the stability of the diameter-clearing device. Compared with the diameter-clearing device in the prior art "a steel pipe diameter-clearing device", the utility model can significantly improve the stability of the diameter-clearing device through the mutual cooperation of the above-mentioned structures, thereby improving the smoothness of the diameter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a disassembled diagram of the diameter component structure of the utility model;

[0019] Figure 3 This is a disassembled diagram of the diameter ring structure of the utility model;

[0020] Figure 4 This is a disassembled diagram of the mobile component structure of the utility model.

[0021] In the figure: 100, diameter assembly; 101, diameter cylinder; 102, mounting tube; 103, protective ring; 104, diameter ring; 105, protective cover; 111, connecting groove; 112, dust screen; 121, connecting flange; 131, annular groove; 132, retaining ring; 200, moving assembly; 201, connecting shaft; 202, damper; 203, spring; 204, first moving wheel; 205, hub motor; 206, second moving wheel; 211, connecting seat; 221, fixing block; 222, screw hole; 223, bolt; 231, collar; 232, transmission shaft; 233, through hole; 241, circular groove; 242, positioning ring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4 The utility model provides a full-length steel pipe thru-hole device, comprising a thru-hole assembly 100 and a moving assembly 200;

[0024] The diameter assembly 100 includes a diameter cylinder 101, a mounting tube 102 is movably mounted on the lower end of the diameter cylinder 101, a protective ring 103 is sleeved on the side surface of the mounting tube 102, a diameter ring 104 is detachably connected to the side surface of the protective ring 103, and a protective cover 105 is detachably mounted on the upper end of the diameter cylinder 101;

[0025] The moving assembly 200 includes a connecting shaft 201 installed inside the through-diameter cylinder 101. Dampers 202 are detachably connected to both sides of the connecting shaft 201. A spring 203 is connected to the side surface of the damper 202. A first moving wheel 204 and a second moving wheel 206 are respectively installed at the ends of the damper 202. A hub motor 205 is installed inside the first moving wheel 204.

[0026] In a specific embodiment, the setting of the diameter component 100 and the moving component 200 can not only perform full-length automatic diameter operation on steel pipes of different lengths, thereby improving the diameter efficiency and quality and enhancing the use, but also the mutual cooperation of the above-mentioned structures can also improve the stability of the diameter device during the diameter operation, thereby ensuring the smoothness of the diameter device. When in use, the diameter cylinder 101 is first placed in the steel pipe. At this time, the first moving wheel 204 and the second moving wheel 206 on both sides of the diameter cylinder 101 are in contact with the inner wall of the steel pipe. Then, the hub motor 205 is started to control the rotation of the first moving wheel 204 to cooperate with the second moving wheel 206 to move along the inner wall of the steel pipe. At the same time, the diameter ring 104 is in contact with the inner wall of the steel pipe. As the diameter cylinder 101 moves with the protective ring 103 and the diameter ring 104, the full length of the steel pipe can be diametrically operated. At the same time, the presence of the damper 202 and the spring 203 can slow down the vibration amplitude during the movement of the diameter device, ensure the smoothness of the diameter, and ensure the diameter efficiency and quality of the diameter device.

[0027] See also Figure 2 and Figure 3 Connecting grooves 111 are provided on both sides of the through-diameter cylinder 101 , the first moving wheel 204 and the second moving wheel 206 are both installed inside the connecting grooves 111 , and a dustproof net 112 is provided inside the through-diameter cylinder 101 .

[0028] In a specific embodiment, the connecting groove 111 allows the first moving wheel 204 and the second moving wheel 206 to be exposed and contact the inner wall of the steel pipe, so as to facilitate the moving operation, and the dustproof net 112 facilitates the dust and foreign matter prevention effect.

[0029] See also Figure 2 and Figure 3 A connecting flange 121 is fixedly installed on the upper end of the mounting tube 102 , and the connecting flange 121 and the through-diameter cylinder 101 are movably connected.

[0030] In a specific embodiment, the connecting flange 121 can improve the connection stability between the mounting tube 102 and the through-bore cylinder 101 and facilitate the disassembly of the mounting tube 102 .

[0031] See also Figure 2 and Figure 3 Two annular grooves 131 are formed on the side surface of the protective ring 103 , and two snap rings 132 are fixedly connected to the inner wall of the diameter ring 104 . Both snap rings 132 are clamped in the inner part of the annular grooves 131 .

[0032] In a specific embodiment, the snap ring 132 is snapped into the annular groove 131 to improve the convenience of assembly and disassembly between the diameter ring 104 and the protection ring 103 .

[0033] See also Figure 2-Figure 4The lower end of the connecting shaft 201 is fixedly connected to a connecting seat 211 , and the connecting seat 211 is connected to the through-diameter cylinder 101 .

[0034] In a specific embodiment, the connecting seat 211 can enhance the connection stability between the connecting shaft 201 and the through-diameter cylinder 101 .

[0035] See also Figure 4 Both sides of the connecting shaft 201 are fixedly connected with a fixing block 221, and a screw hole 222 is opened on the surface of the fixing block 221. One end of the damper 202 is fixedly connected with a bolt 223, and the bolt 223 is threadedly connected to the inside of the screw hole 222.

[0036] In a specific embodiment, the bolt 223 is threadedly connected inside the screw hole 222 to enhance the connection stability between the damper 202 and the connecting shaft 201 , and the damper 202 can be disassembled by removing the bolt 223 .

[0037] See also Figure 4 The other end of the damper 202 is fixedly connected to a ring 231, and a transmission shaft 232 is connected between the first moving wheel 204 and the second moving wheel 206. The ring 231 is sleeved on the side surface of the transmission shaft 232, and a through hole 233 is opened on the surface of the hub motor 205. One end of the transmission shaft 232 is inserted into the inside of the through hole 233.

[0038] In a specific embodiment, the collar 231 is sleeved on the side surface of the transmission shaft 232 , which not only connects the damper 202 and the transmission shaft 232 , but also facilitates the rotation of the transmission shaft 232 .

[0039] See also Figure 4 Two circular grooves 241 are formed on the inner wall of the first moving wheel 204 , and two positioning rings 242 are fixedly connected to the side surface of the hub motor 205 . Both positioning rings 242 are clamped in the inner part of the circular grooves 241 .

[0040] In a specific embodiment, the positioning ring 242 is installed inside the circular groove 241 to improve the installation stability between the first moving wheel 204 and the hub motor 205 .

[0041] Working principle: When in use, first place the diameter cylinder 101 in the steel pipe. At this time, the first moving wheel 204 and the second moving wheel 206 on both sides of the diameter cylinder 101 are in contact with the inner wall of the steel pipe. Then start the hub motor 205 to control the rotation of the first moving wheel 204, and cooperate with the second moving wheel 206 to move along the inner wall of the steel pipe. At the same time, the diameter ring 104 is in contact with the inner wall of the steel pipe. At the same time, the diameter cylinder 101 moves with the protective ring 103 and the diameter ring 104, so that the diameter operation can be performed on the entire length of the steel pipe. The presence of the damper 202 and the spring 203 can reduce the vibration amplitude during the movement of the diameter device to ensure the smoothness of the diameter, thereby ensuring the diameter efficiency and quality of the diameter device.

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A full-length drift device for steel pipes, characterized in that: include: A diameter assembly (100), the diameter assembly (100) comprising a diameter cylinder (101), a mounting tube (102) movably mounted on the lower end of the diameter cylinder (101), a protective ring (103) sleeved on the side surface of the mounting tube (102), a diameter ring (104) detachably connected to the side surface of the protective ring (103), and a protective cover (105) detachably mounted on the upper end of the diameter cylinder (101); A moving assembly (200) includes a connecting shaft (201) installed inside a through-diameter cylinder (101), dampers (202) are detachably connected to both sides of the connecting shaft (201), a spring (203) is connected to the side surface of the damper (202), a first moving wheel (204) and a second moving wheel (206) are respectively installed at the ends of the damper (202), and a hub motor (205) is installed inside the first moving wheel (204).

2. A steel pipe full-length drift device according to claim 1, characterized in that: Connecting grooves (111) are provided on both sides of the through-hole cylinder (101), the first moving wheel (204) and the second moving wheel (206) are both installed inside the connecting grooves (111), and a dustproof net (112) is provided inside the through-hole cylinder (101).

3. The full-length drift device for steel pipes according to claim 1, characterized in that: A connecting flange (121) is fixedly mounted on the upper end of the mounting tube (102), and the connecting flange (121) is movably connected to the through-diameter cylinder (101).

4. The full-length drift device for steel pipes according to claim 1, characterized in that: Two annular grooves (131) are formed on the side surface of the protective ring (103), and two snap rings (132) are fixedly connected to the inner wall of the diameter ring (104), and the two snap rings (132) are both snapped into the inside of the annular grooves (131).

5. The full-length drift device for steel pipes according to claim 1, characterized in that: The lower end of the connecting shaft (201) is fixedly connected to a connecting seat (211), and the connecting seat (211) is connected to the through-diameter cylinder (101).

6. The full-length drift device for steel pipes according to claim 1, characterized in that: Both sides of the connecting shaft (201) are fixedly connected with fixing blocks (221), a screw hole (222) is provided on the surface of the fixing block (221), one end of the damper (202) is fixedly connected with a bolt (223), and the bolt (223) is threadedly connected to the inside of the screw hole (222).

7. The full-length drift device for steel pipes according to claim 1, characterized in that: The other end of the damper (202) is fixedly connected to a collar (231); a transmission shaft (232) is connected between the first moving wheel (204) and the second moving wheel (206); the collar (231) is sleeved on the side surface of the transmission shaft (232); a through hole (233) is opened on the surface of the hub motor (205); and one end of the transmission shaft (232) is inserted into the interior of the through hole (233).

8. The full-length drift device for steel pipes according to claim 1, characterized in that: Two circular grooves (241) are formed on the inner wall of the first moving wheel (204), and two positioning rings (242) are fixedly connected to the side surface of the hub motor (205), and the two positioning rings (242) are both clamped inside the circular grooves (241).

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