A tool for live line installation of bolt pins for power transmission lines

Abstract

The application discloses a tool for live bolt pin installation of a power transmission line and belongs to the technical field of power equipment. The tool comprises a box body, a bolt positioning hole, and a support. The box body is installed at the first end of a multi-degree-of-freedom joint mechanical arm and can rotate around the axis of the first end of the multi-degree-of-freedom joint mechanical arm. The bolt positioning hole is located at the end of the box body away from the multi-degree-of-freedom joint mechanical arm and is coaxially arranged with the first end of the multi-degree-of-freedom joint mechanical arm. The support is located at the bolt positioning hole. When a connecting bolt is inserted into the bolt positioning hole, the support can keep the axis of the R-shaped pin and the pin hole on the connecting bolt in the same plane. Since the clamping opening is polygonal and is matched with the nut, when the box body rotates around the axis of the end of the multi-degree-of-freedom joint mechanical arm, the nut can be synchronously driven to rotate through the cooperation of the clamping opening and the nut, so that the nut moves relative to the connecting bolt, and the R-shaped pin can be inserted into the pin hole.

Description

Technical Field

[0001] This invention relates to the field of power equipment technology, and in particular to a tool for installing bolts and pins on live power transmission lines. Background Technology

[0002] Bolts and pins are widely used as fasteners in power transmission lines to ensure the stability of the entire structure. However, due to the complex working environment of power transmission lines, which often sway in strong winds, and the non-standard manufacturing specifications of bolts and suspension clamps, factors such as excessively large bolt holes and inadequate opening curvature of R-type pins have led to a serious loss of pins from the bolts.

[0003] Chinese invention patent CN118801249A discloses a method for installing pins on a live overhead cable. By rotating the housing around the axis of the pin, and when the movement path of the R-shaped pin is coaxially distributed with the pin hole of the pin in the image acquisition group, the sliding end of the positioning and pushing component pushes the R-shaped pin to slide along the acquisition path of the image acquisition component and radially insert it into the pin hole of the pin. There is no need for manual climbing to the work area. The process of replacing the pin is convenient, safe and reliable.

[0004] The aforementioned device uses anti-reverse pads to ensure that the axis of the pin hole on the pin bolt is in the same plane as the R-type pin, thus facilitating the insertion of the R-type pin into the pin hole. However, in actual use, when the nut on the pin bolt moves relative to the pin bolt and blocks the pin hole, it will affect the installation of the R-type pin. The aforementioned device cannot adjust the position of the nut relative to the pin hole when installing the R-type pin, which limits the overall use of the device.

[0005] Therefore, it is necessary to provide a tool for installing bolts and pins on live power transmission lines to solve the above-mentioned technical problems. Summary of the Invention

[0006] The purpose of this invention is to provide a tool for installing bolts and pins on live power transmission lines, in order to solve the problem mentioned in the background art that when the nut on the pin bolt moves relative to the pin bolt due to vibration and blocks the pin hole, it will affect the installation of the R-type pin.

[0007] Based on the above ideas, the present invention provides the following technical solution: a tool for installing bolts and pins on live power transmission lines, comprising:

[0008] The box is mounted at the head end of the multi-degree-of-freedom articulated robotic arm and can rotate around the axis of the head end of the multi-degree-of-freedom articulated robotic arm.

[0009] Bolt positioning holes are coaxially set with the tip of the multi-degree-of-freedom articulated robotic arm;

[0010] A support member is configured such that when the connecting bolt is inserted into the bolt positioning hole, the support member can keep the axis of the R-pin and the pin hole on the connecting bolt in the same plane;

[0011] The push plate can move along the diameter of the bolt positioning hole to push the R-pin into the pin hole;

[0012] The clamp is coaxially arranged with the bolt positioning hole and located on the side of the bolt positioning hole away from the multi-degree-of-freedom joint robotic arm. When the nut on the connecting bolt blocks the pin hole, the nut can enter the clamp during the process of the connecting bolt being inserted into the bolt positioning hole. This allows the nut to rotate relative to the connecting bolt during the rotation of the box body by means of the cooperation between the clamp and the nut.

[0013] As a further aspect of the present invention: a support platform is provided at the box body, the bolt positioning hole is opened on the support platform, and a bearing component is provided below the support platform. The support component is connected to the bearing component, so that the support component that abuts against the connecting bolt can remain stationary during the rotation of the box body.

[0014] As a further aspect of the present invention: an electric push rod is provided inside the box, and one end of the push plate passing through the support platform is connected to the output end of the electric push rod.

[0015] As a further aspect of the present invention: the clamp is a polygonal structure that mates with the nut.

[0016] As a further aspect of the present invention: the clamp is circular, and a clamping block is slidably disposed on the inner wall of the clamp. A protrusion is integrally formed on the outer side of the support platform. A sliding rod fixed on the clamp is elastically connected to the protrusion. A first snap-fit ​​member is elastically connected to the bottom of the support platform. A first insertion hole that mates with the first snap-fit ​​member is opened on the outer circumference of the sliding rod. When the clamping block pops out and comes into full contact with the outer wall of the nut, the clamping block pops out to its limit position, and the first snap-fit ​​member aligns with the first insertion hole.

[0017] As a further aspect of the present invention: a second snap-fit ​​member is elastically connected to one side of the protrusion, and a second insertion hole is provided on the outer circumferential surface of the slide rod. When the nut is in the clamp and rotates relative to the clamping block to compress the clamping block and move it to the limit position away from the nut, the second snap-fit ​​member can be aligned with the second insertion hole. The movement of the second snap-fit ​​member is controlled by an electromagnet. A contact plate is embedded on the top of the support platform and located at the clamp. A pressure sensor is provided between the contact plate and the support platform. When the nut enters the clamp and is pressed against the contact plate, the pressure sensor controls the electromagnet to be energized so that the second snap-fit ​​member disengages from the second insertion hole.

[0018] As a further aspect of the present invention: the support member and the bearing member are circumferentially locked and axially slidingly fitted, and the support member is elastically connected to the bearing seat on the outside of the bearing member along its own axis. When the connecting bolt presses the support member downward to the limit position, the axis of the R-shaped pin and the pin hole are in the same plane. An L-shaped rod is fixed on the support member. The horizontal section of the L-shaped rod passes through the preset through groove on the first snap-fit ​​member. During the process of the support member moving downward to the limit position, the L-shaped rod can drive the first snap-fit ​​member to move downward and cause the top of the first snap-fit ​​member to move out of the first insertion hole.

[0019] As a further aspect of the present invention: a camera is installed at the end of the support platform away from the R-pin, and the camera is used to detect whether the R-pin is aligned with the pin hole.

[0020] As a further aspect of the present invention: the multi-degree-of-freedom articulated robotic arm is connected to an external insulating rod.

[0021] As a further aspect of the present invention: the bearing component is fixedly connected to the support platform or the housing via the bearing seat.

[0022] Compared with the prior art, the beneficial effects of the present invention are: when the nut blocks the pin hole, the nut will enter the clamp before the connecting bolt and the support contact. Since the clamp is polygonal and adapted to the nut, when the box rotates around the axis of the end of the multi-degree-of-freedom joint robot arm, the nut can be rotated synchronously through the cooperation of the clamp and the nut, so that the nut moves relative to the connecting bolt, which is conducive to the insertion of the R-type pin into the pin hole. Attached Figure Description

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the internal structure of the box body of the present invention;

[0026] Figure 3 This is a schematic diagram of the connection structure between the electric push rod and the push plate of the present invention;

[0027] Figure 4 This is a schematic diagram of the R-type pin insertion hole of the present invention;

[0028] Figure 5 This is a schematic diagram of the R-type pin of the present invention located in the pin groove;

[0029] Figure 6 This is a schematic diagram showing that the clamp of the present invention is circular;

[0030] Figure 7This is a schematic diagram of the cooperation between the L-shaped rod and the first snap-fit ​​member of the present invention;

[0031] Figure 8 This is a schematic diagram showing the positions of the first snap-fit ​​component and the first insertion hole of the present invention;

[0032] Figure 9 This is a schematic diagram of the cooperation between the second snap-fit ​​component and the second insertion hole of the present invention;

[0033] Figure 10 This is a schematic diagram of the nut being inserted into the clamp of the present invention;

[0034] Figure 11 This is a schematic diagram of the L-shaped rod and bearing component of the present invention.

[0035] Figure 12 This is a schematic diagram of the support platform structure of the present invention;

[0036] Figure 13 This is a schematic diagram of the nut blocking the pin hole of the present invention.

[0037] In the diagram: 1. Box body; 2. Connecting bolt; 201. Nut; 202. Pin hole; 3. Drive component; 4. Multi-degree-of-freedom articulated robotic arm; 5. Support platform; 6. Limiting plate; 601. Clamping jaw; 602. Bolt positioning hole; 603. Limiting part; 604. Protrusion; 7. R-pin; 8. Push plate; 9. Camera; 10. Bearing component; 1001. Bearing seat; 11. Slide rail; 1101. Support part; 12. Slider; 13. Limiting roller; 14. Clamping block; 15. Contact plate; 16. Support component; 1601. L-shaped rod; 17. Elastic component; 18. Slide rod; 1801. First insertion hole; 1802. Second insertion hole; 19. First snap-fit ​​component; 20. Second snap-fit ​​component; 2001. Sliding component; 21. Electromagnet; 22. External support plate; 23. Support ring. Detailed Implementation

[0038] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0039] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the illustrations only show the components related to the present invention and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0040] like Figures 1-13 As shown, a tool for installing bolts and pins on live power transmission lines is mainly used for the rapid replacement of lost R-type pins 7 in power transmission lines. It includes a multi-degree-of-freedom articulated robotic arm 4 and a housing 1 mounted at the head end of the multi-degree-of-freedom articulated robotic arm 4 and capable of rotating around the axis of the head end of the multi-degree-of-freedom articulated robotic arm 4. A support platform 5 is fixed at the opening at the top of the housing 1. (Refer to...) Figures 1-5 , Figure 12 As shown, a push plate 8 for pushing the R-pin 7 is provided at the support platform 5. The push plate 8 passes through the support platform 5 and can slide along the length of the support platform 5. A detection unit is provided at the end of the support platform 5 away from the push plate 8. The detection unit is used to detect whether the R-pin 7 is aligned with the pin hole 202 on the connecting bolt 2, which helps to push the R-pin 7 through the pin hole 202 on the connecting bolt 2 to prevent the nut 201 on the connecting bolt 2 from disengaging from the connecting bolt 2.

[0041] Furthermore, the support platform 5 is provided with a bolt positioning hole 602 for inserting the connecting bolt 2. The bolt positioning hole 602 is coaxially arranged with the head end of the multi-degree-of-freedom articulated robotic arm 4, and a support member 16 is provided at the axis of the bolt positioning hole 602. When the end of the connecting bolt 2 is inserted into the bolt positioning hole 602 and contacts the support member 16, the R-shaped pin 7 located at the opening of the box 1 can be in the same horizontal plane as the axis of the pin hole 202 on the connecting bolt 2, so that the R-shaped pin 7 can move along the diameter direction of the connecting bolt 2 and be inserted into the pin hole 202. In actual use, the R-shaped pin 7 is placed at the end of the push plate 8, so that the closed end of the R-shaped pin 7 is at the V-shaped opening at the end of the push plate 8. By adjusting the multi-degree-of-freedom articulated robotic arm 4, the opening of the box 1 is aligned with the connecting bolt 2 on the hardware. The operator lifts the entire device to the connecting bolt 2 of the hardware using an insulating rod, so that the bottom end of the connecting bolt 2 is inserted into the bolt positioning hole 602 and contacts the support member 16.

[0042] Based on the above embodiments, in order to avoid the friction between the support member 16 and the connecting bolt 2 affecting the rotation of the box body 1, a bearing member 10 is provided inside the box body 1 and below the support platform 5. The bearing member 10 can be selectively fixed to the support platform 5 or the box body 1 through the bearing seat 1001. The support member 16 is connected to the inner ring of the bearing member 10. During the process of the connecting bolt 2 contacting the support member 16 and the box body 1 rotating to align the R-type pin 7 with the pin hole 202, the support member 16 can be in a stationary state relative to the connecting bolt 2. On the one hand, this helps to reduce the load when the box body 1 rotates, and on the other hand, it helps to improve the stability of the staff holding the box body 1, thereby facilitating the alignment of the R-type pin 7 with the pin hole 202 on the connecting bolt 2.

[0043] Combination Figure 13 As shown, in actual use, due to vibration, the nut 201 may move downward relative to the connecting bolt 2 and cover the pin hole 202, making it difficult for the R-type pin 7 to be inserted into the pin hole 202. Therefore, this solution provides a limiting plate 6 at the opening of the box 1. The limiting plate 6 is located outside the support platform 5. It can be understood that the limiting plate 6 can be selectively fixedly connected to the support platform 5 or the box 1. Figure 1 , Figure 4 As shown, the limiting plate 6 is provided with a clamping opening 601 for inserting a nut 201. The clamping opening 601 is coaxially arranged with the bolt positioning hole 602. In one embodiment of the clamping opening 601, the clamping opening 601 is along the length direction of the box body 1 (i.e., Figure 4 The projection of the direction Z) is a polygon and is adapted to the number of sides of the nut 201. In actual use, when the nut 201 does not block the pin hole 202 and the connecting bolt 2 is in contact with the support member 16, the nut 201 is located at the top of the limiting plate 6 and the nut 201 is not in the clamp 601. However, when the nut 201 blocks the pin hole 202, the nut 201 will enter the clamp 601 before the connecting bolt 2 is in contact with the support member 16. Since the clamp 601 is polygonal and adapted to the nut 201, when the box body 1 rotates around the axis of the end of the multi-degree-of-freedom joint robot arm 4, the clamp 601 and the nut 201 can synchronously drive the nut 201 to rotate, thereby making the nut 201 move relative to the connecting bolt 2. Specifically, when the connecting bolt 2 is in contact with the support member 16, the nut 201 is offset from the pin hole 202 so that the R-type pin 7 can be inserted into the pin hole 202. In addition, the limiting plate 6 is provided with a through groove along its length direction that communicates with the clamp 601, so that the R-type pin 7 can be moved out from the through groove along the axis of the connecting bolt 2.

[0044] During the actual installation process, aligning the polygonal clamp 601 with the nut 201 is somewhat difficult. The box 1 cannot quickly align the clamp 601 with the nut 201 by moving it left and right or back and forth. Based on this, in another embodiment of the clamp 601, the clamp 601 is circular, and the projection of the clamp 601 along the axis of the connecting bolt 2 is the circumcircle of the nut 201, so that the nut 201 can be inserted into the clamp 601 more easily.

[0045] Furthermore, combined Figures 6-13 As shown, in an embodiment where the clamp 601 is circular, a clamping block 14 is provided on the inner wall of the clamp 601. Specifically, a protrusion 604 is integrally formed on the outer side of the support platform 5, and the clamping block 14 slides in cooperation with the support platform 5 and the protrusion 604 along the diameter direction of the clamp 601. Figure 8 As shown, a sliding rod 18 is fixed to the outer side of the clamping block 14. The sliding rod 18 passes through the support platform 5 and the protrusion 604 and is elastically connected to the protrusion 604. A first locking member 19 is elastically connected to the bottom of the support platform 5. The first locking member 19 is a stepped shaft. A first insertion hole 1801 that mates with the first locking member 19 is opened on the outer circumference of the sliding rod 18. When the clamping block 14 pops out and comes into full contact with the outer wall of the nut 201, the clamping block 14 pops out to the limit position. At this time, the first locking member 19 aligns with the first insertion hole 1801 and is inserted into the first insertion hole 1801 to lock the sliding rod 18. Thus, during the rotation of the box body 1, the nut 201 can be driven to rotate synchronously with the box body 1 through the cooperation of the clamping block 14 and the nut 201.

[0046] A storage box is provided on one side of the protrusion 604. The storage box is fixedly connected to the protrusion 604, and a second locking member 20 is elastically connected inside the storage box. A second insertion hole 1802 is provided on the outer circumferential surface of the slide rod 18. When the nut 201 is in the clamp 601 and rotates relative to the clamping block 14 to compress the clamping block 14 and move it to its limit position away from the nut 201, the second locking member 20 can be aligned with the second insertion hole 1802. A sliding member 2001 is fixed to one end of the second locking member 20 inside the storage box. The sliding member 2001 is made of iron and is elastically connected to the storage box. An electromagnet 21 is installed on the inner end face of the storage box. Figure 6 As shown, a groove is provided at the top of the support platform 5 and at the position within the clamp 601. A contact plate 15 is slidably embedded in the groove, and a pressure sensor is provided between the bottom of the contact plate 15 and the bottom surface of the groove. It should be noted that the pressure sensor can be a thin-film pressure sensor. The pressure sensor is electrically connected to the electromagnet 21 through a controller.

[0047] In this embodiment where the clamp 601 is circular, the support member 16 is located at the inner ring of the bearing member 10 and is circumferentially locked and axially slidingly engaged with the bearing member 10. The support member 16 is elastically connected to the bearing seat 1001 along its own axis. When the connecting bolt 2 presses the support member 16 downward to the limit position, the axis of the R-shaped pin 7 and the pin hole 202 are in the same plane. An L-shaped rod 1601 is fixed on the support member 16. The horizontal section of the L-shaped rod 1601 passes through a pre-set through groove on the first snap-fit ​​member 19. During the process of the support member 16 moving downward to the limit position, the L-shaped rod 1601 can drive the first snap-fit ​​member 19 to move downward and cause the top end of the first snap-fit ​​member 19 to move out of the first insertion hole 1801.

[0048] The operation of this embodiment, where the clamp 601 is circular, is as follows:

[0049] The worker inserts an insulating rod into the end of the multi-degree-of-freedom articulated arm furthest from the housing 1, and lifts the housing 1 to the connecting bolt 2 using the insulating rod. Since the clamp 601 is circular, the nut 201 on the outside of the connecting bolt 2 can easily be inserted into the circular hole. When the nut 201 obstructs the pin hole 202 and affects the installation of the R-type pin 7, the nut 201 can contact the contact plate 15 before the connecting bolt 2 presses down on the support member 16 to its limit position. This allows the pressure sensor to control the electromagnet 21 to be energized, so that one end of the second locking member 20 exits from the second insertion hole 1802. Initially, one end of the second locking member 20 is inserted into the second insertion hole 1802 to lock the clamping block 14, thereby preventing the nut 201 from interfering with the clamping block 14 when it enters the clamping opening 601. As one end of the second locking member 20 moves out of the second insertion hole 1802, the clamping block 14 can pop out and contact the outer wall of the nut 201. Specifically, when the clamping block 14 is in full contact with the plane on the nut 201, the clamping block 14 pops out to its limit position. At this time, the top end of the first locking member 19 can be aligned with the first insertion hole 1801, so that the top end of the first locking member 19 can be inserted into the first... The clamping block 14 is locked inside the insertion hole 1801. In this state, as the box body 1 rotates around the axis of the head end of the multi-degree-of-freedom joint robotic arm 4, the clamping block 14 and the nut 201 can drive the nut 201 to move upward relative to the connecting bolt 2 through the cooperation of the clamping block 14 and the nut 201. During this process, the box body 1 moves upward relative to the connecting bolt 2 along the axial direction of the connecting bolt 2. When the connecting bolt 2 presses the support member 16 downward to the limit position, the R-shaped pin 7 aligns with the pin hole 202, and the L-shaped rod 1601 drives the first snap-fit ​​member 19 to move downward and causes the top of the first snap-fit ​​member 19 to align with the first insertion hole 1801. 1. Release the locking state of the slide bar 18. In addition, as the support member 16 moves downward to the limit position, the box body 1 cannot continue to move upward relative to the connecting bolt 2 during rotation, while the nut 201 moves upward along the connecting bolt 2 and disengages from the contact plate 15. Subsequently, during the rotation of the box body 1, the clamping block 14 can be squeezed by the nut 201, and when the second snap-fit ​​member 20 is aligned with the second insertion hole 1802, the slide bar 18 can be locked. Through this structure, the excessive upward movement of the nut 201 relative to the connecting bolt 2 can be avoided, which would affect the rotation of the box body 1.

[0050] like Figure 1 As shown, the multi-degree-of-freedom articulated robotic arm 4 consists of multiple hinged rods. The opposite ends of two adjacent rods are hinged to each other so that the rods can rotate in different directions. The rotated rods can be fixed by pins or the like. The multi-degree-of-freedom articulated robotic arm 4 can be selected from existing technologies, which will not be elaborated here.

[0051] A drive unit 3 is provided between the head end of the multi-degree-of-freedom articulated robotic arm 4 and the housing 1. The drive unit 3 may be, for example, a servo motor. The output end of the servo motor is coaxially arranged with the head end of the multi-degree-of-freedom articulated robotic arm 4, and the output end of the servo motor can be selectively fixed to either the head end of the multi-degree-of-freedom articulated robotic arm 4 or the housing 1, while the tail end of the servo motor is fixed to the other one of the two, thereby enabling the housing 1 to rotate around the axis of the head end of the multi-degree-of-freedom articulated robotic arm 4.

[0052] The bottom of the support platform 5 is fixedly equipped with a slide rail 11, as shown in the reference. Figure 3 As shown, a support 1101 is fixed to the top of the slide rail 11, and the support 1101 passes through a pre-set elongated slot on the support platform 5 and fits against the bottom of the push plate 8. Figure 3 As can be seen, the push plate 8 is installed through the slot, and its bottom end is fixed to the slider 12, which is slidably mounted on the bottom of the slide rail 11. An electric push rod is fixed to the support platform 5 or the housing 1. The telescopic end of the electric push rod is connected to the slider 12 to move the slider 12 and the push plate 8. It can be understood that the R-pin 7, during installation, is placed at one end of the push plate 8 and located on the support part 1101, allowing the push plate 8 to stably push the R-pin 7. Combined with... Figure 5 As shown, the top of the support platform 5 is provided with a strip-shaped groove that communicates with the bolt positioning hole 602. At the bottom of the strip-shaped groove and on both sides of the groove opening, plate-shaped limiting parts 603 are fixed. A pin groove for placing the R-shaped pin 7 is formed between the limiting parts 603, the push plate 8, and the support part 1101, thereby facilitating the stable movement of the R-shaped pin 7. Limiting rollers 13 are respectively arranged on both sides of the opening of the R-shaped pin 7 on the support platform 5. The limiting rollers 13 are rotatably connected to the support platform 5. When the R-shaped pin 7 is placed in the pin groove, the opening of the R-shaped pin 7 is compressed between the two limiting rollers 13 to limit the R-shaped pin 7, allowing the opening of the R-shaped pin 7 to be inserted into the pin hole 202 of the connecting bolt 2.

[0053] Combination Figures 4-5 As shown, the detection unit is a camera 9, which is installed at the end of the strip groove away from the R-shaped pin 7. The camera 9 is used to detect whether the R-shaped pin 7 is aligned with the pin hole 202. Specifically, the camera 9 is connected to a servo motor and an electric push rod via a controller. When the camera 9 detects that the R-shaped pin 7 is aligned with the pin hole 202, it stops the servo motor and controls the electric push rod to drive the push plate 8 to move, pushing the R-shaped pin 7 into the pin hole 202. A power supply can be arranged inside the housing 1 to power the camera 9, servo motor, and electric push rod. The camera 9, servo motor, and electric push rod are all connected to an external terminal (e.g., a mobile phone) via the controller, making it convenient for operators to control them.

[0054] Reference Figure 6As shown, both the protrusion 604 and the support platform 5 are provided with sliding grooves for the clamping block 14 to slide. The cross-section of the slide rod 18 along its own axis is T-shaped, and a tension spring is connected between the end of the slide rod 18 and the protrusion 604. When the second snap-fit ​​20 is disengaged from the second insertion hole 1802, the slide rod 18 can be pulled relative to the protrusion 604 by the elastic force of the tension spring.

[0055] Reference Figure 7 As shown, a limiting spring is connected between the shoulder of the first snap-fit ​​member 19 and the bearing seat 1001. When the first snap-fit ​​member 19 is aligned with the first insertion hole 1801, the force of the limiting spring can drive the first snap-fit ​​member 19 to move upward so that one end of the first snap-fit ​​member 19 is inserted into the first insertion hole 1801.

[0056] An external support plate 22 is fixed to the lower part of the bearing housing 1001 by a connecting rod. A support ring 23 is rotatably connected to the center of the external support plate 22. The support ring 23 is locked to the external support plate 22 along its own axis. The bottom end of the support member 16 passes downward through the support ring 23 and is movably connected to it. An elastic element 17 is provided between the support ring 23 and the end of the support member 16. The elastic element 17 can be, for example, a spring. A keyway is provided at the inner ring of the bearing member 10. An L-shaped rod 1601 fixed to the outer wall of the support member 16 slides in cooperation with the keyway. Specifically, when the support member 16 is compressed and moves downward to its limit position, the spring is compressed and the L-shaped rod 1601 can contact the external support plate 22 to limit the support member 16 from moving further downward.

[0057] Reference Figure 9 As shown, the second latching member 20 can slide relative to the storage box and the protrusion 604, and one end of the second latching member 20 extends to the outer circumferential surface of the slide rod 18. An elastic unit is connected between the slide member 2001 and the end of the storage box. The elastic unit can be an elastic rope or a tension spring, etc. When the electromagnet 21 is energized, the magnetic attraction force on the slide member 2001 can cause the second latching member 20 to separate from the second insertion hole 1802. Similarly, when the electromagnet 21 is de-energized, the second latching member 20 can be reset under the force of the elastic unit.

[0058] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A tool for live line installation of bolt pins for power transmission lines, characterized in that, The utility model relates to a box body (1) is installed to the first end of multi-degree-of-freedom joint mechanical arm (4) and can rotate around the first end axis of multi-degree-of-freedom joint mechanical arm (4), bolt positioning hole (602) is arranged coaxially with the first end of multi-degree-of-freedom joint mechanical arm (4), support piece (16) is configured as when connecting bolt (2) is inserted inside bolt positioning hole (602), the axis of R type pin (7) and connecting bolt (2) pin hole (202) can be kept in the same plane by support piece (16), push plate (8) can move along the diameter direction of bolt positioning hole (602) to push R type pin (7) and insert into pin hole (202), clamping mouth (601) is arranged coaxially with bolt positioning hole (602), when the nut (201) on connecting bolt (2) blocks pin hole (202), during the process that connecting bolt (2) is inserted into bolt positioning hole (602), the nut (201) can enter clamping mouth (601) and make the box body (1) rotate, and the nut (201) can be driven relative to connecting bolt (2) by the cooperation of clamping mouth (601) and the nut (201) during the rotation of the box body (1). The box body (1) is provided with a support table (5), the bolt positioning hole (602) is opened on the support table (5), and a bearing piece (10) is arranged below the support table (5), the support piece (16) is connected with the bearing piece (10), so that the support piece (16) abutting with the connecting bolt (2) can keep static state during the rotation of the box body (1). The box body (1) is provided with an electric push rod, and one end of the push plate (8) passes through the support table (5) and is connected with the output end of the electric push rod. The clamping mouth (601) is a polygonal structure matched with the nut (201). The clamping mouth (601) is circular, and a clamping block (14) is slidably arranged on the inner wall of the clamping mouth (601), the support table (5) is integrally formed with a protruding portion (604) on the outer side surface, a sliding rod (18) fixed on the clamping block (14) is elastically connected with the protruding portion (604), the bottom of the support table (5) is elastically connected with a first clamping piece (19), a first insertion hole (1801) matched with the first clamping piece (19) is formed on the outer circumference of the sliding rod (18), when the clamping block (14) is popped out and completely contacts with the outer wall of the nut (201), the clamping block (14) is popped out to the limit position, and the first clamping piece (19) is aligned with the first insertion hole (1801). ​ ​ 2. A tool for live line bolt installation for power line according to claim 1, characterized in that: ​ 3. A tool for live line bolt installation for power line according to claim 1, characterized in that: ​ 4. A tool for live line bolt installation for power line according to claim 1, characterized in that: ​ 5. A tool for live line bolt installation for power line according to claim 4, characterized in that: One side of the convex part (604) is elastically connected with a second clamping piece (20), a second insertion hole (1802) is arranged on the outer circumferential surface of the slide rod (18), when the nut (201) is in the clamping opening (601) and rotates relative to the clamping block (14) to compress the clamping block (14) to move to the limit position away from the nut (201), the second clamping piece (20) can be aligned with the second insertion hole (1802), the second clamping piece (20) is controlled to move by the electromagnet (21), the top of the support table (5) and located at the clamping opening (601) is embedded with a touch plate (15), a pressure sensor is arranged between the touch plate (15) and the support table (5), when the nut (201) enters the clamping opening (601) and is pressed with the touch plate (15), the pressure sensor controls the electromagnet (21) to be in the powered state to make the second clamping piece (20) and the second insertion hole (1802) disengage.

6. A tool for live line bolt installation for power line according to claim 5, characterized in that: The support piece (16) is circumferentially locked with the bearing piece (10) and axially slides, and the support piece (16) is elastically connected with the bearing seat (1001) outside the bearing piece (10) along the axis direction, when the connecting bolt (2) presses the support piece (16) downward to the limit position, the R-shaped pin (7) is in the same plane with the axis of the pin hole (202), the L-shaped rod (1601) is fixed on the support piece (16), the horizontal segment of the L-shaped rod (1601) passes through the pre-set through slot on the first clamping piece (19), in the process of moving the support piece (16) downward to the limit position, the first clamping piece (19) can be driven to move downward by the L-shaped rod (1601) and the top end of the first clamping piece (19) moves out of the first insertion hole (1801).

7. A tool for live line bolt installation for power line according to claim 1, characterized in that: The support table (5) is provided with a camera (9) at the end away from the R-shaped pin (7), the camera (9) is used for detecting whether the R-shaped pin (7) is aligned with the pin hole (202).

8. A tool for live line bolt installation for power line according to claim 1, characterized in that: The multi-degree-of-freedom joint mechanical arm (4) is connected with an external insulating rod.

9. A tool for live line bolt installation for power line according to claim 6, characterized in that: The bearing piece (10) is fixedly connected with the support table (5) or the box body (1) through the bearing seat (1001).

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