Roll-shaped pipe rotating and tensioning device

Abstract

The utility model relates to a rotary tensioning device for a rolled pipe, which belongs to the technical field of pipeline straightening and cutting and is characterized in that a torque sensor is arranged between a driving part and a rotating disc so as to monitor the torsional moment applied to the driving part by the rotating disc in real time; and the control unit controls the driving part to adjust the tension applied to the rolled pipe by the tension structure through the crank connecting rod structure, so that the tension of the rolled pipe is regulated and controlled in real time, and the situation that the pipe slips or knots due to the fact that the tension is not matched with the rotating speed of the rotating disc along with the proceeding of the conveying process is avoided. And it is ensured that follow-up machining is conducted orderly, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of coiled pipe rotating tensioning device, belong to pipeline straightening cutting technical field. BACKGROUND

[0002] Rotary reel conveying is a relatively common pipe conveying mode, and the reel is freely rotated to realize the unwinding of the pipe. With the change of traction force, the reel can automatically adjust the rotation speed. This method is more flexible than the fixed reel and is suitable for various pipe processing scenarios. However, the existing rotary reel gradually unwinds the pipe, and the diameter of the reel continuously decreases. It is difficult for the reel to match the tensioning demand with the rotation speed. During the gradual unwinding process of the pipe, the tensioning force cannot be effectively controlled, and the pipe may become loose. Especially in the case of high-speed conveying, the pipe may be twisted and slip, affecting the stability of the conveying and the subsequent processing. SUMMARY

[0003] The utility model aims to provide a kind of coiled pipe rotating tensioning device to solve the above problems.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a kind of coiled pipe rotating tensioning device, the coiled pipe rotating tensioning device includes:

[0005] A support seat is formed with a support platform on it;

[0006] A winding mechanism includes a drive member arranged at the bottom of the support platform, a reel tensioning assembly arranged above the support platform, and a crank connecting rod structure connected between the drive member and the reel tensioning assembly. The reel tensioning assembly includes a rotating disc rotatably connected with the crank connecting rod structure and at least two tensioning structures arranged radially on the upper surface of the rotating disc from the center of the rotating disc. The tensioning structure includes a sliding rail, a sliding block arranged on the sliding rail, and a tensioning column arranged vertically on the sliding block. The crank connecting rod structure is connected between the sliding block and the drive member. The drive member drives the crank connecting rod structure to rotate in the opposite direction of the rotating disc to drive the sliding block to tighten the coiled pipe with the tensioning column.

[0007] A torque sensor is arranged between the output shaft of the drive member and the rotating disc. The torque sensor is configured to detect the torsional moment applied to the output shaft of the drive member when the rotating disc is rotated by the coiled pipe.

[0008] A control unit is signal-connected with the winding mechanism and the torque sensor. The control unit controls the drive member to adjust the tensioning force of the tensioning structure according to the torsional moment.

[0009] Further, the crank connecting rod structure comprises a connecting disc connected to the driving member and a plurality of connecting rods connected between the connecting disc and the sliding block in one-to-one correspondence, and the connecting disc is rotationally connected to the rotating disc.

[0010] Further, the connecting rod comprises a first connecting rod rotationally connected to the connecting disc and a second connecting rod rotationally connected to the sliding block, and the first connecting rod is rotationally connected to the second connecting rod.

[0011] Further, the rotating disc is provided with a sliding groove arranged along the extension direction of the sliding rail, and the sliding block is provided with a connecting rod, and the second connecting rod is rotationally connected to the connecting rod.

[0012] Further, the sliding rail is provided with two groups, and the sliding groove is arranged between the two groups of sliding rails.

[0013] Further, a support plate is connected between the two sliding blocks, and a plurality of support strips are arranged on the support plate along the extension direction of the sliding rail.

[0014] Further, the tensioning structure is provided with four groups, and the four groups of tensioning structures are arranged in a cross shape on the upper surface of the rotating disc.

[0015] Further, the rotating disc is in a cross shape.

[0016] The beneficial effects of the present application are that the torque sensor is arranged between the driving member and the rotating disc to monitor the torsional moment of the rotating disc applied to the driving member in real time, and the driving member is controlled by the control unit to adjust the tensioning force of the tensioning structure applied to the coiled pipe through the crank connecting rod structure, so that the real-time regulation and control of the tensioning force of the coiled pipe is realized, the mismatch between the tensioning force and the rotation speed of the rotating disc during the conveying process is avoided, the pipe slips or is blocked, the orderly progress of subsequent processing is ensured, and the work efficiency is improved.

[0017] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the contents of the specification can be implemented, the following will be described in detail with the preferred embodiments of the present application and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the coiled pipe rotary tensioning device is shown in an embodiment of the present application.

[0019] Figure 2 The structure diagram of the crank connecting rod structure is shown in an embodiment of the present application. Figure 1 The structure diagram of the crank connecting rod structure is shown in an embodiment of the present application. DETAILED DESCRIPTION

[0020] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0021] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0022] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0023] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, in the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be the direct contact of the first and second features, or the indirect contact of the first and second features through an intermediate medium.

[0024] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0025] Please refer to Figures 1 to 2The coiled pipe rotating tensioning device shown in an embodiment of the present application comprises a support base 10, a winding mechanism, a torque sensor and a control unit. The support base 10 is formed with a support platform.

[0026] The winding mechanism comprises a driving member 20 arranged at the bottom of the support platform, a reel tensioning assembly 40 arranged above the support platform and a crank linkage structure 30 connected between the driving member 20 and the reel tensioning assembly 40. The reel tensioning assembly 40 comprises a rotating disc 41 rotationally connected with the crank linkage structure 30 and at least two tensioning structures arranged radially on the upper surface of the rotating disc 41 from the center of the rotating disc 41 to the periphery. The tensioning structure comprises a sliding rail 42, a sliding block 43 slidingly arranged on the sliding rail 42 and a tensioning column 44 arranged in a vertical direction on the sliding block 43. The crank linkage structure 30 is connected between the sliding block 43 and the driving member 20. The driving member 20 drives the crank linkage structure 30 to rotate in a direction opposite to the rotating direction of the rotating disc 41 to drive the sliding block 43 to drive the tensioning column 44 to tension the coiled pipe. The driving member 20 is an electric motor. It is a prior art and will not be described here.

[0027] The torque sensor is arranged between the output shaft of the driving member 20 and the rotating disc 41. The torque sensor is configured to detect the torsional torque applied to the output shaft of the driving member 20 when the rotating disc 41 is rotated by the coiled pipe. The torque sensor is a prior art and will not be described here.

[0028] The control unit is signal connected with the winding mechanism and the torque sensor respectively. The control unit controls the driving member 20 to adjust the tensioning force of the tensioning structure according to the torsional torque. The control unit is configured to receive the torsional torque detected by the torque sensor and compare it with a set standard value, so as to control the driving member 20 to adjust the corresponding rotating speed to make the tensioning structure apply an appropriate tensioning force to the coiled pipe. The control unit is a prior art and will not be described here.

[0029] In an embodiment, the crank linkage structure 30 comprises a connecting disc 31 connected with the driving member 20 and a plurality of connecting rods connected one by one between the connecting disc 31 and the sliding block 43. The connecting disc 31 is rotationally connected with the rotating disc 41. The driving member 20 drives the connecting disc 31 to drive the connecting rods to drive the sliding block 43 to move on the rotating disc 41 along the extension direction of the sliding rail 42, so as to drive the tensioning column 44 to tension the coiled pipe. The number of the connecting rods is equal to the number of the tensioning structures and is arranged one by one. The number can be set according to the requirement and will not be specifically limited here.

[0030] In an embodiment, the connecting rod comprises a first connecting rod 32 rotatably connected with the connecting disc 31 and a second connecting rod 33 rotatably connected with the sliding block 43, and the first connecting rod 32 is rotatably connected with the second connecting rod 33. The crank connecting rod structure 30 is formed by cooperation of the first connecting rod 32, the second connecting rod 33 and the sliding block 43, so as to drive the sliding block 43 to move in a linear direction away from the center of the rotating disc 41 while rotating, so as to tension the coiled pipe.

[0031] In an embodiment, the rotating disc 41 is provided with a sliding groove along the extension direction of the sliding rail 42, the sliding block 43 is provided with a connecting rod 34 at the bottom, and the second connecting rod 33 is rotatably connected with the connecting rod 34. By arranging the sliding groove, the connecting point of the sliding block 43 and the connecting rod can be arranged at the bottom of the rotating disc 41, which facilitates the movement of the sliding block 43 and avoids interference between the connecting rod and the coiled pipe.

[0032] In an embodiment, the sliding rail 42 is provided with two groups, and the sliding groove is arranged between the two groups of sliding rails 42. By arranging the two groups of sliding rails 42, the accuracy of the moving direction of the sliding block 43 can be effectively improved, and the tension balance can be avoided.

[0033] In an embodiment, the two sliding blocks 43 are connected with a support plate 45, and a plurality of support bars 46 are arranged on the support plate 45 along the extension direction of the sliding rail 42. The support bars 46 are arranged in four groups, and the support bars 46 are in a columnar shape, so as to reduce the contact area between the support plate 45 and the coiled pipe, and facilitate the traction of the pipe.

[0034] In an embodiment, the tensioning structure is provided in four groups, and the four groups of tensioning structures are arranged in a cross shape on the upper surface of the rotating disc 41. By arranging the four groups of tensioning structures in a cross shape, the tension distribution is uniform, and the pipe can be stably conveyed. The number of the tensioning structures can also be other numbers, which can be set according to actual needs, as long as the uniform tension distribution is ensured, and the specific limitation is not made here.

[0035] In an embodiment, the rotating disc 41 is in a cross shape, and the rotating disc 41 is adjusted according to the number and arrangement mode of the tensioning structure, so as to reduce the weight of the rotating disc 41, reduce the load of the driving member 20, and improve the service life.

[0036] The application realizes real-time regulation and control of the tension of the coiled pipe by arranging the torque sensor between the driving member and the rotating disc to monitor the torsional torque of the rotating disc applied to the driving member in real time, and by the control unit controlling the driving member to adjust the tension of the coiled pipe applied by the tensioning structure through the crank connecting rod structure, so as to avoid the mismatch between the tension and the rotation speed of the rotating disc during the conveying process, so as to avoid the pipe from slipping or nodding, ensure the orderly progress of the subsequent processing, and improve the work efficiency.

[0037] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as within the scope of the present disclosure.

[0038] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it shall not be understood as a limitation on the scope of the present application. It should be noted that, for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A rotary pipe tensioning device for tubulars in the form of a coil, characterized in that The roll-shaped pipe rotating tensioning device comprises: a support seat, a support platform formed on the support seat; a winding mechanism, comprising a driving member arranged at the bottom of the support platform, a reel tensioning assembly arranged above the support platform, and a crank connecting rod structure connected between the driving member and the reel tensioning assembly, wherein the reel tensioning assembly comprises a rotating disc rotatably connected with the crank connecting rod structure, and at least two tensioning structures arranged radially on the upper surface of the rotating disc from the center of the rotating disc, wherein the tensioning structure comprises a sliding rail, a sliding block arranged on the sliding rail, and a tensioning column arranged vertically on the sliding block, the crank connecting rod structure is connected between the sliding block and the driving member, the driving member drives the crank connecting rod structure to rotate in the direction opposite to the rotating direction of the rotating disc to drive the sliding block to drive the tensioning column to tension the roll-shaped pipe; a torque sensor arranged between the output shaft of the driving member and the rotating disc, the torque sensor is configured to detect the torsional moment applied to the output shaft of the driving member when the rotating disc is rotated by the roll-shaped pipe; a control unit connected with the winding mechanism and the torque sensor, the control unit controls the driving member to adjust the tensioning force of the tensioning structure according to the torsional moment.

2. The roll tube rotary tensioning device of claim 1, wherein, The crank connecting rod structure comprises a connecting disc connected with the driving member and a plurality of connecting rods connected one by one between the connecting disc and the sliding block, and the connecting disc is rotatably connected with the rotating disc.

3. The roll tube rotary tensioning device of claim 2, wherein, The connecting rod comprises a first connecting rod rotatably connected with the connecting disc and a second connecting rod rotatably connected with the sliding block, and the first connecting rod is rotatably connected with the second connecting rod.

4. The roll tube rotary tensioning device of claim 3, wherein, The rotating disc is provided with a sliding groove along the extension direction of the sliding rail, and the bottom of the sliding block is provided with a connecting rod, and the second connecting rod is rotatably connected with the connecting rod.

5. The roll tube rotary tensioning device of claim 4, wherein, The sliding rail is provided with two groups, and the sliding groove is arranged between the two groups of sliding rails.

6. The roll tube rotary tensioning device of claim 5, wherein, A support plate is connected between the two sliding blocks, and a plurality of support strips are arranged on the support plate along the extension direction of the sliding rail.

7. The roll tube rotary tensioning device of claim 1, wherein, The tensioning structure is provided with four groups, and the four groups of tensioning structures are arranged in a cross shape on the upper surface of the rotating disc.

8. The roll-shaped pipe rotating tensioning device according to claim 7, wherein The rotating disc is in a cross shape.

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