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Flexible clamp for thin-wall bent pipe with space curve as axis

A technology of space curves and flexible fixtures, applied in the field of fixtures, can solve problems such as poor applicability and outstanding singleness, and achieve the effects of realizing automatic control, reducing damage, and improving operating efficiency

Pending Publication Date: 2020-03-31
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a flexible clamp for thin-walled elbows whose axes are space curves. The technical problem to be solved is that most of the traditional elbow clamps can only clamp one type of elbow, which has poor applicability and outstanding singleness. , to achieve clamping of different types of elbows, the clamping method does not damage the surface of the elbow, and the clamping is firm

Method used

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  • Flexible clamp for thin-wall bent pipe with space curve as axis
  • Flexible clamp for thin-wall bent pipe with space curve as axis
  • Flexible clamp for thin-wall bent pipe with space curve as axis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as Figure 1-7 As shown, a flexible clamp for a thin-walled elbow whose axis is a space curve includes a clamp body, the clamp body includes a fastening assembly 1 for clamping the elbow, and the fastening assembly 1 includes a fastening The main body 101, the flexible fastener 102 detachably connected to the fastening main body 101, also includes a rotating mechanism 103 for driving the fastening main body 101 to rotate, and an elbow for wrapping the fastening main body 101 and the flexible fastening piece 102 A fixed fixing mechanism 104 , the fixing mechanism 104 is installed on the fastening main body 101 .

[0033] In this embodiment, the rotating mechanism 103 includes a rotating motor 1031 and a rotating motor support 1032, the rotating motor 1031 is installed at the lower end of the rotating motor support 1032, and the output shaft of the rotating motor 1031 passes through the rotating motor support 1032 , the output shaft of the rotating motor 1031 is con...

Embodiment 2

[0037] Such as Figure 1-7 As shown, this embodiment is further limited on the basis of Embodiment 1. The clamp body also includes a clamp base 2, a screw sliding platform 3 and a lifting platform 4 that are rollingly connected with the clamp base 2, and the screw rod The sliding platform 3 includes a screw mandrel 301, a screw mandrel slide 302 spirally connected to the screw mandrel 301, a screw shaft coupling 303 connected to one end of the screw mandrel 301, a motor coupling 304 connected to the screw shaft coupling 303, It also includes a screw bearing housing 305, an X-direction slide rail 306, a Y-direction slide rail 307, a Y-direction rail installation base 308, and a driving roller 309. The X-direction slide rail 306 is installed on the fixture base 2, and the screw rod 301 A screw bearing seat 305 is installed at both ends of the Y guide rail installation base 308, and the screw bearing seat 305 is located in the middle of the top surface of the Y guide rail install...

Embodiment 3

[0040] Such as Figure 1-7 , this embodiment is further defined on the basis of Embodiment 1, and also includes a centering mechanism 5 for centering the elbow port. The centering mechanism 5 includes a guide plate 501, a support rod 502 on the inner wall of the pipe, Rod guide block 503, turbine disk 504, turbine disk support 505, first gear 506, centering mechanism motor 507, centering mechanism motor support 508, second gear 509, centering mechanism base 510, the guide plate 501 , the turbine disc support 505, and the centering mechanism motor support 508 are successively installed on the centering mechanism base 510. The tube inner wall support rod 502 is slidably connected with the guide plate 501, and the two ends of the support rod guide block 503 are respectively supported by the tube inner wall. One side of the rod 502 and the turbine disk 504 is connected, and the turbine disk 504 is installed on the turbine disk support 505, and the axis of the turbine disk support ...

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Abstract

The invention discloses a flexible clamp for a thin-wall bent pipe with a space curve as an axis. The flexible clamp comprises a clamp body. The clamp body comprises a fastening assembly for clampingthe bent pipe. The fastening assembly comprises a fastening body and a flexible fastening piece detachably connected with the fastening body, and further comprises a rotating mechanism for driving thefastening body to rotate, and a fixing mechanism for fixing the bent pipe wrapped by the fastening body and the flexible fastening piece. The fixing mechanism is installed on the fastening body. Themethod of pressing the bent pipe with a chain is adopted to increase the contact surface with the surface of the bent pipe and reduce the damage to the surface of the bent pipe, bent pipes with different diameters are also fixed conveniently, and the fastening chain can be split. A centering mechanism is provided with a drive motor, by controlling the motor, a supporting part on the centering mechanism can be gradually expanded to the required diameter size to realize fitting with the inner wall of the bent pipe, and therefore the two ends of the bent pipe are fixed, and shaking of the two ends of the bent pipe is reduced.

Description

technical field [0001] The invention relates to the technical field of clamps, in particular to a flexible clamp for a thin-walled elbow whose axis is a space curve. Background technique [0002] In the fields of transportation such as ships, automobiles, and airplanes, and in the fields of petroleum, natural gas, gas and chemical equipment, various elbow pipes whose axes are space curves are used, and they can be used for fuel transportation and gas transportation. In the modern machinery industry, bending pipes are fastened during the processes of cutting holes, welding and flange installation, especially for the clamping and fastening of curved pipes whose axes are space curves and whose wall thickness is thin. The technical problem is that traditional pipe bend fixtures can only hold one type of pipe bend. The more types of pipe bends, the more types of fixtures there will be. Patent application number 201210084935.3 discloses a "A Bending Fixture whose Axis Is a Space ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D11/22B21D11/00
CPCB21D11/00B21D11/22
Inventor 罗大兵李凌博李宇余伍林田佳鑫
Owner SOUTHWEST JIAOTONG UNIV