Tail fiber tube penetrating tool and electric threading machine

Abstract

The invention relates to the technical field of communication pipelines, and discloses a tail fiber pipe penetrating tool and an electric threading machine, a threading steel rope piece of the tail fiber pipe penetrating tool comprises a guide part, a connecting part and a fixing head, the connecting part comprises a tail fiber fixing part and a connecting rod, and the tail fiber fixing part is used for fixing a tail fiber; the tail fiber fixing part is connected to one end of the connecting rod, one end of the connecting part sleeves the other end of the connecting rod, the other end of the connecting part sleeves one end of the fixing head, and the other end of the fixing head is connected with the steel rope; the center axis of the guide part, the center axis of the connecting part and the center axis of the fixing head are coaxially arranged, and the direction parallel to the center axes serves as the length direction. A spring is adopted as the connecting part, the connecting part is in a rugby ball shape, the axis direction of the spring is parallel to the length direction, and the connecting line of the center points of the two minimum ends of the rugby ball shape is parallel to the length direction. And the pipe penetrating operation is simplified, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of communication pipes, and in particular to a pigtail threading tool and an electric threading machine. Background Art

[0002] In the actual operation of the power grid, a large number of long-length pigtails are widely used. At present, when the long-distance pigtail protection operation is carried out in the machine room, the main method used is often the relatively simple and direct "drag" and "pull" of the pigtail, or cutting the pipe into sections of suitable length to meet the needs of pipe penetration. However, most of these methods have the problem of great difficulty in pipe penetration, and it is difficult to effectively improve work efficiency. Summary of the invention

[0003] In view of this, the present application provides a pigtail threading tool and an electric threading machine, which are used to solve the technical problem that the pigtail threading in the prior art is difficult and it is difficult to effectively improve the work efficiency.

[0004] In a first aspect, the present application provides a pigtail threading tool, the pigtail threading tool comprising: a threading steel rope member;

[0005] The threading steel rope member comprises: a guide part, a connecting part and a fixing head, the guide part comprises: a pigtail fixing part and a connecting rod, the pigtail fixing part is used to fix the pigtail;

[0006] The pigtail fixing part is connected to one end of the connecting rod, one end of the connecting part is sleeved on the other end of the connecting rod, the other end of the connecting part is sleeved on one end of the fixing head, and the other end of the fixing head is connected to the steel rope;

[0007] The central axis of the guide portion, the central axis of the connecting portion and the central axis of the fixing head are coaxially arranged, and the direction parallel to the central axis is taken as the length direction;

[0008] The connecting part adopts a spring, and the shape of the connecting part is a rugby ball shape. The axial direction of the spring is parallel to the length direction, and the line connecting the center points of the two smallest ends of the rugby ball shape is parallel to the length direction.

[0009] In one embodiment, the area of ​​the first cross-section is greater than the area of ​​the second cross-section, and the area of ​​the first cross-section is greater than the area of ​​the third cross-section. The first cross-section is the cross-section of the connecting portion that is perpendicular to the length direction and has the largest area. The second cross-section is the cross-section of the guide portion that is perpendicular to the length direction and has the largest area. The third cross-section is the cross-section of the fixing head that is perpendicular to the length direction and has the largest area.

[0010] In one embodiment, the inclination angle of the spring is 5° to 15°.

[0011] In one embodiment, the connecting part is a first sub-part and a second sub-part, one end of the first sub-part is sleeved on the other end of the connecting rod, the other end of the first sub-part is connected to one end of the second sub-part, and the other end of the second sub-part is sleeved on one end of the fixing head;

[0012] The first sub-section is in the shape of a rugby ball, and the second sub-section is in the shape of a column;

[0013] A coating is provided on the exterior of the first sub-section, and the coating is used to reduce friction on the exterior of the first sub-section.

[0014] In one embodiment, the guide portion further comprises: a sleeve;

[0015] The sleeve is sleeved on the connecting rod, and an installation space is formed between the connecting rod and the sleeve;

[0016] One end of the connecting portion is located in the installation space.

[0017] In one embodiment, the pigtail threading tool further comprises: an auxiliary line feed roller, the auxiliary line feed roller is used to assist the pigtail to enter the target tube;

[0018] A wire feeding channel is provided inside the auxiliary wire feeding roller;

[0019] One end of the inlet channel is movably connected to one end of the target tube;

[0020] The guide portion passes through the other end of the target tube, one end of the target tube, and the wire inlet channel in sequence, and passes through the wire inlet channel from the other end of the wire inlet channel.

[0021] In one embodiment, the auxiliary wire feed roller comprises: an auxiliary portion and a wire guide portion;

[0022] The auxiliary part is provided with a wire entry hole, and the wire part is provided with a wire entry channel;

[0023] The other end of the inlet channel is connected to the inlet through hole and is coaxially arranged;

[0024] The shape of the line inlet channel is a frustum;

[0025] The diameter of the other end of the inlet channel is greater than the diameter of one end of the inlet channel.

[0026] In one embodiment, the auxiliary part includes: a first plate, a second plate, a third plate and a roller part;

[0027] The first plate is provided with the wire inlet through hole in the middle;

[0028] The second plate and the third plate are arranged on the first plate at intervals;

[0029] The second plate and the third plate are arranged in parallel;

[0030] One end of the roller part is connected to the second plate, and the other end of the roller part is connected to the first plate. The roller part is used to assist the pigtail to enter the target tube.

[0031] In one embodiment, the area of ​​the cross section of the first position of the roller portion perpendicular to the axis of the roller portion is greater than the area of ​​the cross section of the center position of the roller portion perpendicular to the axis of the roller portion, and the area of ​​the cross section of the second position of the roller portion perpendicular to the axis of the roller portion is greater than the area of ​​the cross section of the center position of the roller portion perpendicular to the axis of the roller portion;

[0032] The first position is located between the center position and the second plate, and the second position is located between the center position and the third plate.

[0033] In a second aspect, the present application proposes an electric stringing machine, which includes a stringing machine body and a pigtail threading tool, wherein the pigtail threading tool is connected to the free end of a steel rope on the stringing machine body.

[0034] In one embodiment, the pigtail threading tool comprises: a threading steel rope member;

[0035] The threading steel rope member comprises: a guide part, a connecting part and a fixing head, the guide part comprises: a pigtail fixing part and a connecting rod, the pigtail fixing part is used to fix the pigtail;

[0036] The pigtail fixing part is connected to one end of the connecting rod, one end of the connecting part is sleeved on the other end of the connecting rod, the other end of the connecting part is sleeved on one end of the fixing head, and the other end of the fixing head is connected to the steel rope;

[0037] The central axis of the guide portion, the central axis of the connecting portion and the central axis of the fixing head are coaxially arranged, and the direction parallel to the central axis is taken as the length direction;

[0038] The connecting part adopts a spring, and the shape of the connecting part is a rugby ball shape. The axial direction of the spring is parallel to the length direction, and the line connecting the center points of the two smallest ends of the rugby ball shape is parallel to the length direction.

[0039] In one embodiment, the area of ​​the first cross-section is greater than the area of ​​the second cross-section, and the area of ​​the first cross-section is greater than the area of ​​the third cross-section. The first cross-section is the cross-section of the connecting portion that is perpendicular to the length direction and has the largest area. The second cross-section is the cross-section of the guide portion that is perpendicular to the length direction and has the largest area. The third cross-section is the cross-section of the fixing head that is perpendicular to the length direction and has the largest area.

[0040] In one embodiment, the inclination angle of the spring is 5° to 15°.

[0041] In one embodiment, the connecting part is a first sub-part and a second sub-part, one end of the first sub-part is sleeved on the other end of the connecting rod, the other end of the first sub-part is connected to one end of the second sub-part, and the other end of the second sub-part is sleeved on one end of the fixing head;

[0042] The first sub-section is in the shape of a rugby ball, and the second sub-section is in the shape of a column;

[0043] A coating is provided on the exterior of the first sub-section, and the coating is used to reduce friction on the exterior of the first sub-section.

[0044] In one embodiment, the guide portion further comprises: a sleeve;

[0045] The sleeve is sleeved on the connecting rod, and an installation space is formed between the connecting rod and the sleeve;

[0046] One end of the connecting portion is located in the installation space.

[0047] In one embodiment, the pigtail threading tool further comprises: an auxiliary line feed roller, the auxiliary line feed roller is used to assist the pigtail to enter the target tube;

[0048] A wire feeding channel is provided inside the auxiliary wire feeding roller;

[0049] One end of the inlet channel is movably connected to one end of the target tube;

[0050] The guide portion passes through the other end of the target tube, one end of the target tube, and the wire inlet channel in sequence, and passes through the wire inlet channel from the other end of the wire inlet channel.

[0051] In one embodiment, the auxiliary wire feed roller comprises: an auxiliary portion and a wire guide portion;

[0052] The auxiliary part is provided with a wire entry hole, and the wire part is provided with a wire entry channel;

[0053] The other end of the inlet channel is connected to the inlet through hole and is coaxially arranged;

[0054] The shape of the line inlet channel is a frustum;

[0055] The diameter of the other end of the inlet channel is greater than the diameter of one end of the inlet channel.

[0056] In one embodiment, the auxiliary part includes: a first plate, a second plate, a third plate and a roller part;

[0057] The first plate is provided with the wire inlet through hole in the middle;

[0058] The second plate and the third plate are arranged on the first plate at intervals;

[0059] The second plate and the third plate are arranged in parallel;

[0060] One end of the roller part is connected to the second plate, and the other end of the roller part is connected to the first plate. The roller part is used to assist the pigtail to enter the target tube.

[0061] In one embodiment, the area of ​​the cross section of the first position of the roller portion perpendicular to the axis of the roller portion is greater than the area of ​​the cross section of the center position of the roller portion perpendicular to the axis of the roller portion, and the area of ​​the cross section of the second position of the roller portion perpendicular to the axis of the roller portion is greater than the area of ​​the cross section of the center position of the roller portion perpendicular to the axis of the roller portion;

[0062] The first position is located between the center position and the second plate, and the second position is located between the center position and the third plate.

[0063] Implementing the embodiments of the present application will have the following beneficial effects:

[0064] The pigtail threading tool and electric threading machine of the present application, wherein the threading steel rope member includes: a guide part, a connecting part and a fixed head, the guide part includes: a pigtail fixing part and a connecting rod, the pigtail fixing part is used to fix the pigtail; the pigtail fixing part is connected to one end of the connecting rod, one end of the connecting part is sleeved on the other end of the connecting rod, the other end of the connecting part is sleeved on one end of the fixed head, and the other end of the fixed head is connected to the steel rope; the central axis of the guide part, the central axis of the connecting part and the central axis of the fixed head are coaxially arranged, and the direction parallel to the central axis is used as the length direction; the connecting part adopts a spring, the shape of the connecting part is a rugby shape, the axial direction of the spring is parallel to the length direction, and the line connecting the center points of the two smallest ends of the rugby shape is parallel to the length direction. The present application adopts a special shape of the connecting part, that is, a rugby-shaped spring, so as to enhance the elasticity of the threading steel rope member and improve its ability to quickly turn, so that the pigtail threading work can be completed uniformly and standardizedly, quickly and efficiently, simplifying the threading operation and greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0066] in:

[0067] Figure 1 It is a structural schematic diagram of a threading steel rope member of a pigtail threading tool in one embodiment;

[0068] Figure 2 for Figure 1 A schematic structural diagram of the wire threading steel rope member of the pigtail threading tool from another angle;

[0069] Figure 3 It is a structural schematic diagram of an auxiliary wire feeding roller of a pigtail threading tool in one embodiment;

[0070] Figure 4 for Figure 3 A schematic structural diagram of the auxiliary cable feed roller of the pigtail threading tool from another angle;

[0071] Figure 5 Another structural schematic diagram of the auxiliary feed roller of the pigtail threading tool in one embodiment;

[0072] Figure 6 for Figure 5 A schematic structural diagram of the wire threading steel rope member of the pigtail threading tool from another angle;

[0073] Figure 7 Schematic diagram of the structure of an electric threading machine of a pigtail threading tool in one embodiment. DETAILED DESCRIPTION

[0074] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0075] In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0076] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0077] Please participate Figure 1 and Figure 2 , the present application proposes a pigtail threading tool, the pigtail threading tool comprising: a threading steel rope member;

[0078] The threading steel rope member comprises: a guide part, a connecting part and a fixing head 3, wherein the guide part comprises: a pigtail fixing part and a connecting rod 12, wherein the pigtail fixing part is used to fix the pigtail;

[0079] The pigtail fixing part is connected to one end of the connecting rod 12, one end of the connecting part is sleeved on the other end of the connecting rod 12, the other end of the connecting part is sleeved on one end of the fixing head 3, and the other end of the fixing head 3 is connected to the steel rope;

[0080] The central axis of the guide portion, the central axis of the connecting portion and the central axis of the fixing head 3 are coaxially arranged, and the direction parallel to the central axis is taken as the length direction;

[0081] The connecting part adopts a spring, and the shape of the connecting part is a rugby ball shape. The axial direction of the spring is parallel to the length direction, and the line connecting the center points of the two smallest ends of the rugby ball shape is parallel to the length direction.

[0082] This embodiment adopts a special shape of connecting part, namely a rugby-shaped spring, to enhance the elasticity of the threading steel rope and improve its ability to make quick turns. It can quickly and efficiently complete the pigtail threading work in a unified and standardized manner, simplifying the threading operation and greatly improving work efficiency.

[0083] First, the guide part of the pigtail threading tool is inserted into the other end of the target tube and passed out from one end of the target tube. Then, the pigtail is fixed on the pigtail fixing part of the guide part. Finally, the guide part is pulled back to one end of the target tube by pulling the fixing head 3, and then pulled out from the other end of the target tube, thereby passing the pigtail through the target tube.

[0084] The target tube is the tube that the pigtail is intended to pass through.

[0085] The pigtail fixing portion is provided with a pigtail fixing hole 111, and the pigtail fixing portion is provided with a first side surface 114, a second side surface 113, a third side surface, a fourth side surface, a top surface 112, and a bottom surface 115. The first side surface 114, the second side surface 113, the third side surface, and the fourth side surface are connected in sequence, the top surface 112 is connected with the first edge of the first side surface 114, the first edge of the second side surface 113, the first edge of the third side surface, and the first edge of the fourth side surface, the bottom surface 115 is connected with the second edge of the first side surface 114, the second edge of the second side surface 113, the second edge of the third side surface, and the second edge of the fourth side surface, the first edge is parallel to the second edge, the first side surface 114 is parallel to the third side surface, the first side surface 114 and the third side surface are both planes, the second side surface 113 and the fourth side surface are both arc-shaped surfaces, the bottom surface 115 is connected to one end of the connecting rod 12, and the top surface 112 is in the shape of a bullet head. The top surface 112 is in the shape of a bullet head, which is conducive to the guide portion passing through the target tube. Among them, the pigtail passes through the pigtail fixing hole 111 and is sleeved on the pigtail fixing portion.

[0086] The shape of the fixing head 3 is columnar and the material of the fixing head 3 can be metal.

[0087] The material of the connection part can be metal.

[0088] Please participate Figure 1 and Figure 2In one embodiment, the area of ​​the first cross section is greater than the area of ​​the second cross section, the area of ​​the first cross section is greater than the area of ​​the third cross section, the first cross section is the cross section of the connecting portion perpendicular to the length direction and with the largest area, the second cross section is the cross section of the guiding portion perpendicular to the length direction and with the largest area, and the third cross section is the cross section of the fixing head 3 perpendicular to the length direction and with the largest area. The first cross section area of ​​the connecting portion is greater than the second cross section area of ​​the guiding portion and the third cross section area of ​​the fixing head 3. Such a design can ensure that during the pipe threading process, the connecting portion can provide a more stable connection and elastic effect, adapt to the pipe threading requirements of different pipe diameters, and at the same time, it can better play the characteristics of its rugby-shaped spring, and enhance the elasticity and bending ability of the threading steel rope. The relatively small cross-sectional area of ​​the guiding portion and the fixing head 3 is conducive to their more flexible movement and positioning during the pipe threading operation, avoiding unnecessary obstacles, thereby cooperating with the connecting portion to further improve the efficiency and smoothness of the pigtail threading, and effectively reduce the difficulty of operation and the possible damage to the pigtail.

[0089] Please participate Figure 1 and Figure 2 In one embodiment, the inclination angle of the spring is 5° to 15°. The inclination angle of the spring can be 5°, 15°, or an angle between 5° and 15°. This design allows the pigtail threading tool to have moderate elasticity and flexibility during use. During the threading operation, such an inclination angle can not only ensure that the spring has a certain elastic deformation ability so as to adapt to different threading environments and changes in pipe diameters, but also avoid instability or difficulty in control due to excessive inclination angles. The inclination angle range of 5° to 15° can enable the pigtail threading tool to effectively buffer the force impact during the threading process while maintaining good guidance, reduce the risk of damage to the pigtail and other components, improve the success rate and safety of threading, and make the operation smoother and more labor-saving, thereby improving overall work efficiency and operating experience.

[0090] Please participate Figure 1 and Figure 2 In one embodiment, the connecting part is a first sub-part 21 and a second sub-part 22, one end of the first sub-part 21 is sleeved on the other end of the connecting rod 12, the other end of the first sub-part 21 is connected to one end of the second sub-part 22, and the other end of the second sub-part 22 is sleeved on one end of the fixing head 3;

[0091] The first sub-portion 21 is in the shape of a rugby ball, and the second sub-portion 22 is in the shape of a column;

[0092] The first sub-section 21 is provided with a coating on the outside, and the coating is used to reduce the friction force on the outside of the first sub-section 21. The first sub-section 21 is in the shape of a rugby ball, so that the friction force between the first sub-section 21 and the target tube is the largest relative to the second sub-section 22, and the coating on the outside of the first sub-section 21 reduces the friction force on the outside of the first sub-section 21, which is conducive to the pigtail tube passing tool quickly through the target tube.

[0093] It can be understood that the second sub-portion 22 is a regular columnar shape, that is, the areas of the cross sections of the second sub-portion 22 perpendicular to the axis of the second sub-portion 22 are the same.

[0094] In one embodiment, the guide portion further comprises: a sleeve (not shown in the figure);

[0095] The sleeve is sleeved on the connecting rod 12, and an installation space is formed between the connecting rod 12 and the sleeve;

[0096] One end of the connecting part is located in the installation space. The sleeve is helpful to increase the stability of the connection between the connecting part and the connecting rod 12. On the one hand, the sleeve provides additional protection and support, making the connecting rod 12 more stable during the pipe threading process, less prone to shaking or deformation, and ensuring the stability of the pigtail fixation and transmission. On the other hand, the existence of the installation space provides a suitable installation position for the connecting part, ensures the tightness and reliability of the connection between the connecting part and the connecting rod 12, and is beneficial to the transmission of force and the coordination of movement. At the same time, this structural arrangement makes the structure of the entire threading steel rope more compact, effectively utilizes space, enhances the overall integration and mechanical properties of the tool, and thus improves the accuracy, efficiency and operability of the pigtail threading operation.

[0097] One end of the sleeve is connected to the connecting rod 12 .

[0098] Please participate Figure 3 and Figure 6 In one embodiment, the pigtail threading tool further comprises: an auxiliary line feed roller, the auxiliary line feed roller is used to assist the pigtail to enter the target tube;

[0099] A wire inlet channel 224 is provided inside the auxiliary wire inlet roller;

[0100] One end of the inlet channel 224 is movably connected to one end of the target tube;

[0101] The guide part passes through the other end of the target tube, one end of the target tube, the line inlet channel 224 in sequence, and passes through the line inlet channel 224 from the other end of the line inlet channel 224. The auxiliary line inlet roller reduces the damage of the target tube to the pigtail.

[0102] Please participate Figure 3 and Figure 6 In one embodiment, the auxiliary wire feed roller includes: an auxiliary portion and a wire guide portion 21;

[0103] The auxiliary part is provided with a wire entry hole, and the wire part 21 is provided with a wire entry channel 224;

[0104] The other end of the inlet channel 224 is connected to the inlet through hole and is coaxially arranged;

[0105] The shape of the inlet channel 224 is a frustum;

[0106] The diameter of the other end of the inlet channel 224 is larger than the diameter of one end of the inlet channel 224. The design of this auxiliary inlet roller has a significant effect. The inlet through hole of the auxiliary part is coaxially connected to the inlet channel 224 in the conductor part 21, ensuring the continuity and smoothness of the incoming line. The inlet channel 224 is designed to be in the shape of a truncated cone, and the diameter of the other end is larger than the diameter of one end, so that it can better adapt to cables of different diameters when entering the line, improving the compatibility with various cable specifications, and also can play a role in guiding and gathering cables, reducing the jamming and friction of cables during the inlet process, and improving the efficiency and stability of the inlet. The truncated cone-shaped inlet channel 224 can also prevent the entanglement and knotting of cables to a certain extent, and maintain the orderliness of the inlet process. In addition, such a structural design enhances the overall functionality and practicality of the auxiliary inlet roller, provides more reliable guarantees for operations such as pigtail threading, and helps to optimize the workflow and improve the quality of work.

[0107] Please participate Figure 3 and Figure 6 In one embodiment, the auxiliary part includes: a first plate 225, a second plate 221, a third plate 222 and a roller part 223;

[0108] The first plate 225 is provided with the wire inlet through hole in the middle;

[0109] The second plate 221 and the third plate 222 are spaced apart and arranged on the first plate 225;

[0110] The second plate 221 and the third plate 222 are arranged in parallel;

[0111] One end of the roller part 223 is connected to the second plate 221, and the other end of the roller part 223 is connected to the first plate 225. The roller part 223 is used to assist the pigtail to enter the target tube. The roller part 223 can reduce the friction between the pigtail and the top of one end of the target tube, thereby reducing the damage of the target tube to the pigtail.

[0112] The roller portion 223 can roll in a direction approaching the wire portion 21 or in a direction away from the wire portion 21 .

[0113] Please participate Figure 3 and Figure 6 In one embodiment, the area of ​​the cross section of the first position of the roller portion 223 perpendicular to the axis of the roller portion 223 is greater than the area of ​​the cross section of the center position of the roller portion 223 perpendicular to the axis of the roller portion 223, and the area of ​​the cross section of the second position of the roller portion 223 perpendicular to the axis of the roller portion 223 is greater than the area of ​​the cross section of the center position of the roller portion 223 perpendicular to the axis of the roller portion 223;

[0114] The first position is located between the center position and the second plate 221, and the second position is located between the center position and the third plate 222. In other words, the roller portion 223 is a V-shaped rolling wheel, and the design of the roller portion 223 of this special shape brings about many technical effects. First, the change in its cross-sectional area enables the roller portion 223 to better guide and concentrate the pigtail when rolling, and stably gather the pigtail in the middle position, thereby improving the accuracy and controllability of the pigtail movement and reducing the situation where the pigtail deviates from the predetermined route during the rolling process. Secondly, the V-shaped roller portion 223 enhances the clamping and restraining effect on the pigtail, so that the pigtail can fit more closely to the surface of the roller portion 223, ensuring the reliability and continuity of the transmission. At the same time, this design is conducive to increasing the friction between the roller portion 223 and the pigtail, further ensuring the smooth movement of the pigtail, and preventing the occurrence of unstable phenomena such as slipping. In addition, this design can also improve the overall adaptability and versatility of the roller portion 223, and can be applicable to pigtails of different specifications and types, thereby increasing the flexibility and practicality of the equipment and bringing higher efficiency and quality assurance to the processing and transmission of the pigtails.

[0115] Please participate Figure 7 The present application proposes an electric threading machine 3, which includes a threading machine body and a pigtail threading tool, wherein the pigtail threading tool is connected to the free end of the steel rope on the threading machine body.

[0116] In one embodiment, the pigtail threading tool comprises: a threading steel rope member;

[0117] The threading steel rope member comprises: a guide part, a connecting part and a fixing head 3, wherein the guide part comprises: a pigtail fixing part and a connecting rod 12, wherein the pigtail fixing part is used to fix the pigtail;

[0118] The pigtail fixing part is connected to one end of the connecting rod 12, one end of the connecting part is sleeved on the other end of the connecting rod 12, the other end of the connecting part is sleeved on one end of the fixing head 3, and the other end of the fixing head 3 is connected to the steel rope;

[0119] The central axis of the guide portion, the central axis of the connecting portion and the central axis of the fixing head 3 are coaxially arranged, and the direction parallel to the central axis is taken as the length direction;

[0120] The connecting part adopts a spring, and the shape of the connecting part is a rugby ball shape. The axial direction of the spring is parallel to the length direction, and the line connecting the center points of the two smallest ends of the rugby ball shape is parallel to the length direction.

[0121] The structure of the electric threading machine 3 can be selected from the prior art and will not be described in detail here.

[0122] This embodiment adopts a special shape of connecting part, namely a rugby-shaped spring, to enhance the elasticity of the threading steel rope and improve its ability to make quick turns. It can quickly and efficiently complete the pigtail threading work in a unified and standardized manner, simplifying the threading operation and greatly improving work efficiency.

[0123] In one embodiment, the area of ​​the first cross-section is greater than the area of ​​the second cross-section, and the area of ​​the first cross-section is greater than the area of ​​the third cross-section. The first cross-section is the cross-section of the connecting portion that is perpendicular to the length direction and has the largest area. The second cross-section is the cross-section of the guide portion that is perpendicular to the length direction and has the largest area. The third cross-section is the cross-section of the fixing head 3 that is perpendicular to the length direction and has the largest area.

[0124] In one embodiment, the inclination angle of the spring is 5° to 15°.

[0125] In one embodiment, the connecting portion is a first sub-portion 21 and a second sub-portion 22, one end of the first sub-portion 21 is sleeved on the other end of the connecting rod 12, the other end of the first sub-portion 21 is connected to one end of the second sub-portion 22, and the other end of the second sub-portion 22 is sleeved on one end of the fixing head 3;

[0126] The first sub-portion 21 is in the shape of a rugby ball, and the second sub-portion 22 is in the shape of a column;

[0127] The first sub-portion 21 is provided with a coating on its exterior, and the coating is used to reduce the friction force on the exterior of the first sub-portion 21 .

[0128] In one embodiment, the guide portion further comprises: a sleeve;

[0129] The sleeve is sleeved on the connecting rod 12, and an installation space is formed between the connecting rod 12 and the sleeve;

[0130] One end of the connecting portion is located in the installation space.

[0131] In one embodiment, the pigtail threading tool further comprises: an auxiliary line feed roller, the auxiliary line feed roller is used to assist the pigtail to enter the target tube;

[0132] A wire inlet channel 224 is provided inside the auxiliary wire inlet roller;

[0133] One end of the inlet channel 224 is movably connected to one end of the target tube;

[0134] The guide portion passes through the other end of the target tube, one end of the target tube, and the inlet channel 224 in sequence, and passes through the inlet channel 224 from the other end of the inlet channel 224 .

[0135] In one embodiment, the auxiliary wire feed roller comprises: an auxiliary portion and a wire guide portion 21;

[0136] The auxiliary part is provided with a wire entry hole, and the wire part 21 is provided with a wire entry channel 224;

[0137] The other end of the inlet channel 224 is connected to the inlet through hole and is coaxially arranged;

[0138] The shape of the inlet channel 224 is a frustum;

[0139] The diameter of the other end of the inlet channel 224 is greater than the diameter of one end of the inlet channel 224 .

[0140] In one embodiment, the auxiliary part includes: a first plate 225, a second plate 221, a third plate 222 and a roller part 223;

[0141] The first plate 225 is provided with the wire inlet through hole in the middle;

[0142] The second plate 221 and the third plate 222 are spaced apart and arranged on the first plate 225;

[0143] The second plate 221 and the third plate 222 are arranged in parallel;

[0144] One end of the roller part 223 is connected to the second plate 221 , and the other end of the roller part 223 is connected to the first plate 225 . The roller part 223 is used to assist the pigtail to enter the target tube.

[0145] In one embodiment, the area of ​​the cross section of the first position of the roller portion 223 perpendicular to the axis of the roller portion 223 is greater than the area of ​​the cross section of the center position of the roller portion 223 perpendicular to the axis of the roller portion 223, and the area of ​​the cross section of the second position of the roller portion 223 perpendicular to the axis of the roller portion 223 is greater than the area of ​​the cross section of the center position of the roller portion 223 perpendicular to the axis of the roller portion 223;

[0146] The first position is located between the center position and the second plate 221 , and the second position is located between the center position and the third plate 222 .

[0147] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments may still be modified, or some or all of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pigtail threading tool, characterized in that: The pigtail threading tool comprises: a threading steel rope member; The threading steel rope member comprises: a guide part, a connecting part and a fixing head, the guide part comprises: a pigtail fixing part and a connecting rod, the pigtail fixing part is used to fix the pigtail; The pigtail fixing part is connected to one end of the connecting rod, one end of the connecting part is sleeved on the other end of the connecting rod, the other end of the connecting part is sleeved on one end of the fixing head, and the other end of the fixing head is connected to the steel rope; The central axis of the guide portion, the central axis of the connecting portion and the central axis of the fixing head are coaxially arranged, and the direction parallel to the central axis is taken as the length direction; The connecting part adopts a spring, and the shape of the connecting part is a rugby ball shape. The axial direction of the spring is parallel to the length direction, and the line connecting the center points of the two smallest ends of the rugby ball shape is parallel to the length direction.

2. The pigtail threading tool according to claim 1, characterized in that: The area of ​​the first cross-section is greater than that of the second cross-section, and the area of ​​the first cross-section is greater than that of the third cross-section. The first cross-section is the cross-section of the connecting portion that is perpendicular to the length direction and has the largest area. The second cross-section is the cross-section of the guide portion that is perpendicular to the length direction and has the largest area. The third cross-section is the cross-section of the fixing head that is perpendicular to the length direction and has the largest area.

3. The pigtail threading tool according to claim 2, characterized in that: The inclination angle of the spring is 5° to 15°.

4. The pigtail threading tool according to claim 2, characterized in that: The connecting part is composed of a first sub-part and a second sub-part, one end of the first sub-part is sleeved on the other end of the connecting rod, the other end of the first sub-part is connected to one end of the second sub-part, and the other end of the second sub-part is sleeved on one end of the fixing head; The first sub-section is in the shape of a rugby ball, and the second sub-section is in the shape of a column; A coating is provided on the exterior of the first sub-section, and the coating is used to reduce friction on the exterior of the first sub-section.

5. The pigtail threading tool according to claim 1, characterized in that: The guide portion further comprises: a sleeve; The sleeve is sleeved on the connecting rod, and an installation space is formed between the connecting rod and the sleeve; One end of the connecting portion is located in the installation space.

6. The pigtail threading tool according to claim 1, characterized in that: The pigtail threading tool further comprises: an auxiliary line feed roller, the auxiliary line feed roller is used to assist the pigtail to enter the target tube; A wire feeding channel is provided inside the auxiliary wire feeding roller; One end of the inlet channel is movably connected to one end of the target tube; The guide portion passes through the other end of the target tube, one end of the target tube, and the wire inlet channel in sequence, and passes through the wire inlet channel from the other end of the wire inlet channel.

7. The pigtail threading tool according to claim 6, characterized in that: The auxiliary wire feeding roller comprises: an auxiliary part and a wire conducting part; The auxiliary part is provided with a wire entry hole, and the wire part is provided with a wire entry channel; The other end of the inlet channel is connected to the inlet through hole and is coaxially arranged; The shape of the line inlet channel is a frustum; The diameter of the other end of the inlet channel is greater than the diameter of one end of the inlet channel.

8. The pigtail threading tool according to claim 7, characterized in that: The auxiliary part includes: a first plate, a second plate, a third plate and a roller part; The first plate is provided with the wire inlet through hole in the middle; The second plate and the third plate are arranged on the first plate at intervals; The second plate and the third plate are arranged in parallel; One end of the roller part is connected to the second plate, and the other end of the roller part is connected to the first plate. The roller part is used to assist the pigtail to enter the target tube.

9. The pigtail threading tool according to claim 8, characterized in that: The area of ​​the cross section perpendicular to the axis of the roller portion at the first position of the roller portion is larger than the area of ​​the cross section perpendicular to the axis of the roller portion at the center position of the roller portion, and the area of ​​the cross section perpendicular to the axis of the roller portion at the second position of the roller portion is larger than the area of ​​the cross section perpendicular to the axis of the roller portion at the center position of the roller portion; The first position is located between the center position and the second plate, and the second position is located between the center position and the third plate.

10. An electric threading machine, characterized in that: The electric threading machine comprises a threading machine body and a pigtail threading tool as claimed in any one of claims 1 to 9, wherein the pigtail threading tool is connected to the free end of the steel rope on the threading machine body.

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