Vertical high-voltage cable pretreatment mechanical device
By combining a six-axis robot and a force-controlled belt sander, the problems of unstable quality and on-site processing in the pretreatment of high-voltage cable joints were solved, achieving efficient and safe surface polishing of cable joints, adapting to confined on-site environments.
Patent Information
- Application Number
- CN202422664344.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-01
AI Technical Summary
In the existing high-voltage cable joint pretreatment process, the quality of manual production is unstable, a unified standard cannot be formed, the labor intensity is high, and large equipment cannot be used on site, posing safety hazards and low efficiency.
A six-axis robot is used in conjunction with a force-controlled belt sander to perform surface polishing of cable joints on site through a lifting and rotation system. The polishing effect is controlled by a force control unit, and the modular design of the overall components facilitates on-site assembly.
It achieves uniformity and stability in the surface quality of cable joints, improves processing efficiency, reduces manual labor intensity, ensures the safety and reliability of cable joints, and adapts to confined field environments.
Smart Images

Figure CN223451511U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the cable processing device technical field of electric power industry, especially relates to a vertical high -voltage cable pretreatment mechanical device. BACKGROUND
[0002] At present, in the operation process of the power system generator unit, the super high voltage crosslinked polyethylene high voltage cable is usually used to send power, and the safety and reliability of the high voltage cable has a great influence on the stable operation of the power station. Due to long time use and special influence under high voltage environment, the high voltage cable needs to be periodically replaced, and in the replacement engineering, a new cable joint needs to be made, and the making process can only be carried out on site, the position is narrow, and the transportation channel is limited, so large equipment cannot be introduced for processing, and a small modular processing equipment is needed for processing.
[0003] At present, the joint pretreatment method of the high voltage cable is manual production, which cannot form a unified surface process standard, and the polishing quality of the cable joint surface depends on the personal experience and technology of workers, and cannot form a unified quality standard, and when the polishing quality of the cable joint surface is unqualified, it will affect the safe operation of the power transmission line.
[0004] At present, the cable pretreatment mainly has manual production and large equipment machining two processing methods, and the following disadvantages exist:
[0005] Firstly, the manual production of the cable joint has the problems of unstable quality and unified standard, and has certain safety hazards to affect the normal operation of the power transmission line.
[0006] Secondly, manual operation has high labor intensity, low efficiency and high-altitude operation risk in some scenes.
[0007] Thirdly, large machining equipment cannot be transported to the scene for on-site maintenance work, and the space is limited. Utility model content
[0008] In order to solve the above problems existing in the prior art, the purpose of the utility model is to provide a vertical high-voltage cable pretreatment mechanical device, which replaces manual work with machinery to carry out cable joint surface polishing operation on site, improves the cable surface quality, forms a unified and stable joint terminal, and ensures the stable operation of the power transmission line.
[0009] The technical scheme adopted by the utility model is:
[0010] The utility model provides a vertical high -voltage cable pretreatment mechanical device, including the weldment base, the cable fixed clamp for clamping vertical cable lower section and the cable fixed support for fixing vertical cable upper end are fixed on the weldment base, the fixed plate is fixed on the weldment base, the lifting system is installed on the fixed plate, the output of lifting system is connected with the lifting plate, the rotary system is installed on the lifting plate, the output of rotary system is installed with the robot base, six -axis robot is installed on the robot base, the output of six -axis robot is connected with the quick -change device, and the force control abrasive belt machine for polishing vertical cable is connected on the quick -change device.
[0011] The utility model adopts six -axis robot to match force control abrasive belt machine and carries out in -situ operation on site. The cable fixed clamp and the cable fixed support reliably clamp the vertical cable. The lifting system can drive the six -axis robot to move up and down relative to the vertical cable, improve the operation range of the robot, and meet the needs of cable joint manufacturing. The rotary system can drive the six -axis robot to rotate relative to the vertical cable, ensuring that the robot can polish the entire circumference under the condition of fixing the vertical cable. The robot end is connected by quick -change device, which can quickly replace the end tool with one key. The robot end uses force control abrasive belt machine for polishing operation, which ensures the constant contact force between the abrasive belt machine and the cable surface through the force control unit, thereby controlling the polishing effect.
[0012] The utility model carries out cable joint surface polishing operation by replacing manual work with machinery, improving the quality of cable surface. The overall components can be modularized and split into the operation site for assembly and processing.
[0013] As a preferred scheme of the utility model, the lifting system includes a lifting servo motor, the output end of the lifting servo motor is connected with a shaft coupling, the other end of the shaft coupling is connected with a screw lifting machine, the lifting servo motor and the screw lifting machine are installed on the fixed plate, and the lifting plate is connected with the output end of the screw lifting machine. The lifting servo motor drives the screw lifting machine to complete the lifting action, thereby pushing the screw lifting plate to lift and drive the six -axis robot to move up and down relative to the weldment base.
[0014] As a preferred scheme of the utility model, a linear bearing is installed on the fixed plate, a guide shaft is sleeved in the linear bearing, and the upper end of the guide shaft is connected with the lifting plate. During the lifting of the lifting plate, the guide shaft slides in the linear bearing, plays a guiding role, and ensures that the lifting is more stable.
[0015] As a preferred scheme of the utility model, the number of the guide shaft and the screw lifting machine is two. The two screw lifting machines and the two guide shafts are diagonally arranged on the lifting plate, avoiding the inclination of the lifting plate and ensuring that the lifting plate is lifted more stably.
[0016] As a preferred scheme of the utility model, the rotary system comprises a rotary servo motor installed on the lifting plate, the rotary servo motor is connected with a rotary gear at the output end, a rotary supporting bearing is installed on the lifting plate, an external gear ring is arranged on the rotary supporting bearing, the rotary gear is engaged with the external gear ring of the rotary supporting bearing, and the robot base is installed on the rotary supporting bearing.
[0017] As a preferred scheme of the utility model, a dust cover is arranged above the rotary supporting bearing. Dust is generated in the grinding and polishing process, and the rotary system is protected by the dust cover.
[0018] As a preferred scheme of the utility model, the quick change device comprises a female disc and a male disc, the female disc is connected to the end of the six-axis robot, and the male disc is connected with the force control belt sander. The quick change device controls the connection and fixation of the female disc and the male disc through air pressure, so that the tool is quickly replaced.
[0019] As a preferred scheme of the utility model, a force control unit is arranged at the end of the force control belt sander, so that the contact force between the force control belt sander and the surface of the vertical cable is ensured, and the grinding and polishing effect is controlled.
[0020] As a preferred scheme of the utility model, a Foma wheel is installed at the bottom of the welding part base.
[0021] As a preferred scheme of the utility model, the Foma wheel comprises a wheel and a foot cup, has the functions of moving and fixing, is mainly used for transporting and storing the whole equipment, and is removed after the equipment is placed on site.
[0022] The utility model has the advantages of:
[0023] The utility model adopts the six-axis robot and the force control belt sander to perform in-situ grinding and polishing operation on site. The cable fixing clamp and the cable fixing support reliably clamp the vertical cable. The lifting system can drive the six-axis robot to move up and down relative to the vertical cable, improve the operation range of the robot, and meet the needs of cable joint manufacturing. The rotary system can drive the six-axis robot to rotate relative to the vertical cable, so that the robot can polish the whole circumference of the vertical cable. The quick change device is used to connect the end of the robot, and the end tool can be quickly replaced by one key. The force control belt sander is used for grinding and polishing operation, the force control unit is used to ensure that the contact force between the belt sander and the surface of the cable is constant, and the grinding and polishing effect is controlled. The utility model replaces manual operation with mechanical operation to improve the quality of the cable surface. The whole part can be modularized and split into the operation site, and is assembled and processed on the operation site. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is the front view of the utility model;
[0025] Figure 2 is Figure 1 is the local enlarged view of A in the middle;
[0026] Figure 3 is the right view of the utility model;
[0027] Figure 4 is the left view of the utility model;
[0028] Figure 5 is the top view of the utility model.
[0029] In the figure: 1-welding base; 2-vertical cable; 3-lifting system; 4-rotary system; 5-robot base; 6-six-axis robot; 7-fast-changing device; 8-force control abrasive belt machine; 9-Foma wheel; 11-cable fixing clamp; 12-cable fixing support; 13-fixing plate; 14-lifting plate; 31-lifting servo motor; 32-coupling; 33-screw lifting machine; 34-linear bearing; 35-guiding shaft; 41-rotary servo motor; 42-rotary gear; 43-rotary supporting bearing; 44-outer gear ring; 45-dust cover; 91-wheel; 92-foot cup. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0031] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0032] As Figures 1-5As shown, the vertical high-voltage cable pretreatment mechanical device of the embodiment comprises a welding base 1, a cable fixing clamp 11 for clamping the lower section of the vertical cable 2 and a cable fixing support 12 for fixing the upper end of the vertical cable 2 are fixed on the welding base 1, a fixing plate 13 is fixed on the welding base 1, a lifting system 3 is installed on the fixing plate 13, the output end of the lifting system 3 is connected with a lifting plate 14, a rotary system 4 is installed on the lifting plate 14, the output end of the rotary system 4 is installed with a robot base 5, a six-axis robot 6 is installed on the robot base 5, the output end of the six-axis robot 6 is connected with a quick-change device 7, and a force control abrasive belt machine 8 for polishing the vertical cable 2 is connected to the quick-change device 7.
[0033] The six-axis robot 6 is matched with the force control abrasive belt machine 8 to perform in-situ work on site. The cable fixing clamp 11 and the cable fixing support 12 reliably clamp the vertical cable 2. The lifting system 3 can drive the six-axis robot 6 to move up and down relative to the vertical cable 2, thereby improving the working range of the robot and meeting the needs of cable joint manufacturing. The rotary system 4 can drive the six-axis robot 6 to rotate relative to the vertical cable 2, thereby ensuring that the robot can polish the entire circumference of the vertical cable 2 under the condition that the vertical cable 2 is fixed. The robot end is connected with the quick-change device 7, which can quickly replace the end tool with one key. The robot end is connected with the force control abrasive belt machine 8 to polish the work, which can ensure the constant contact force between the abrasive belt machine and the cable surface through the force control unit, thereby controlling the polishing effect.
[0034] The utility model discloses a mechanical device for replacing manual work to polish the surface of the cable joint, thereby improving the quality of the cable surface. The overall components can be modularized and split into the work site for assembly and processing.
[0035] Specifically, the lifting system 3 comprises a lifting servo motor 31, the output end of the lifting servo motor 31 is connected with a shaft coupling 32, the other end of the shaft coupling 32 is connected with a screw lifting machine 33, the lifting servo motor 31 and the screw lifting machine 33 are installed on the fixing plate 13, and the lifting plate 14 is connected with the output end of the screw lifting machine 33. The lifting servo motor 31 drives the screw lifting machine 33 to complete the lifting action, thereby pushing the screw lifting plate 14 to lift and driving the six-axis robot 6 to move up and down relative to the welding base 1.
[0036] In order to improve the stability during lifting, a linear bearing 34 is installed on the fixing plate 13, a guide shaft 35 is sleeved in the linear bearing 34, and the upper end of the guide shaft 35 is connected with the lifting plate 14. During the lifting of the lifting plate 14, the guide shaft 35 slides in the linear bearing 34, thereby playing a guiding role and ensuring more stable lifting.
[0037] It should be noted that the number of guide shafts 35 and screw jacks 33 is two. Two screw jacks 33 and two guide shafts 35 are diagonally arranged on the lifting plate 14 to avoid tilting of the lifting plate 14 and ensure smooth lifting of the lifting plate 14. Correspondingly, the lifting servo motor 31 has two groups, which are fixed on the upper side of the welded base 1 by bolts.
[0038] Specifically, the rotating system 4 includes a rotating servo motor 41 mounted on the lifting plate 14, the output end of the rotating servo motor 41 is connected with a rotating gear 42, a rotating support bearing 43 is mounted on the lifting plate 14, an outer ring gear 44 is arranged on the rotating support bearing 43, the rotating gear 42 is engaged with the outer ring gear 44 of the rotating support bearing 43, and the robot base 5 is mounted on the rotating support bearing 43. The rotating servo motor 41 drives the rotating gear 42 to rotate, the rotating gear 42 drives the outer ring gear 44, so that the rotating support bearing 43 drives the robot base 5 and the six-axis robot 6 to rotate.
[0039] A dust cover 45 is arranged above the rotating support bearing 43. Dust is generated during polishing, and the rotating system 4 is protected by the dust cover 45.
[0040] The quick-change device 7 includes a female disc and a male disc, the female disc is connected to the end of the six-axis robot 6, and the male disc is connected with the force-controlled belt sander 8. The quick-change device 7 controls the connection and fixation of the female disc and the male disc by air pressure, so as to realize quick tool replacement.
[0041] The force-controlled belt sander 8 is provided with a force control unit at the end, which can ensure the contact force between the force-controlled belt sander 8 and the surface of the vertical cable 2, so as to control the polishing effect.
[0042] Further, the bottom of the welded base 1 is provided with a Foma wheel 9.
[0043] The Foma wheel 9 includes a wheel 91 and a foot cup 92, and has the functions of moving and fixing, and is mainly used for transportation and storage of the whole device. After the device is delivered to the site, the part is removed.
[0044] The welded base 1 is welded by square steel pipes, and a plurality of threaded hole positions are arranged thereon for mounting the Foma wheel 9, the cable fixing clamp 11 and the cable fixing support 12. The outer dimensions of the welded base 1 are the same as those of the cable steel structure support at the power station site, and the welded base 1 is fixedly connected with the cable steel structure support when used at the site.
[0045] The cable fixing clamp 11 and the cable fixing support 12 are fixed on the welded base 1 by bolts, and these two components are used to fix the upper and lower ends of the vertical cable 2, so as to prevent the shaking displacement of the cable during processing from affecting the processing precision.
[0046] The utility model is not limited to the above optional implementation, and anyone can draw other various forms of products under the enlightenment of the utility model, but no matter any change in shape or structure, any technical scheme falling into the scope defined by the utility model claims falls within the protection scope of the utility model.
Claims
1. A vertical high-voltage cable pretreatment mechanical device, characterized by: The invention comprises a weldment base (1), a cable fixing clamp (11) for clamping the lower section of a vertical cable (2) and a cable fixing bracket (12) for fixing the upper end of the vertical cable (2) are fixed on the weldment base (1), a fixing plate (13) is fixed on the weldment base (1), a lifting system (3) is installed on the fixing plate (13), an output end of the lifting system (3) is connected to a lifting plate (14), a rotary system (4) is installed on the lifting plate (14), a robot base (5) is installed on the output end of the rotary system (4), a six-axis robot (6) is installed on the robot base (5), an output end of the six-axis robot (6) is connected to a quick-change device (7), and a force-controlled sanding belt machine (8) for grinding and polishing the vertical cable (2) is connected to the quick-change device (7).
2. A vertical high-voltage cable pretreatment mechanical device according to claim 1, characterized in that: The lifting system (3) includes a lifting servo motor (31), an output end of the lifting servo motor (31) is connected to a coupling (32), the other end of the coupling (32) is connected to a screw elevator (33), the lifting servo motor (31) and the screw elevator (33) are both mounted on a fixed plate (13), and the lifting plate (14) is connected to the output end of the screw elevator (33).
3. A vertical high-voltage cable pretreatment mechanical device according to claim 2, characterized in that: A linear bearing (34) is installed on the fixed plate (13), a guide shaft (35) is sleeved inside the linear bearing (34), and the upper end of the guide shaft (35) is connected to the lifting plate (14).
4. A vertical high-voltage cable pretreatment mechanical device according to claim 3, characterized in that: The number of the guide shafts (35) and the number of the screw elevators (33) are both two.
5. A vertical high-voltage cable pretreatment mechanical device according to claim 1, characterized in that: The rotary system (4) includes a rotary servo motor (41) mounted on a lifting plate (14), an output end of the rotary servo motor (41) is connected to a rotary gear (42), a rotary support bearing (43) is mounted on the lifting plate (14), an outer gear ring (44) is provided on the rotary support bearing (43), the rotary gear (42) is meshed with the outer gear ring (44) of the rotary support bearing (43), and the robot base (5) is mounted on the rotary support bearing (43).
6. A vertical high-voltage cable pretreatment mechanical device according to claim 5, characterized in that: A dust cover (45) is provided above the slewing bearing (43).
7. A vertical high-voltage cable pretreatment mechanical device according to claim 1, characterized in that: The quick-change device (7) includes a sub-disc and a mother disc, which are connected and fixed by air pressure control. The mother disc is connected to the end of the six-axis robot (6), and the sub-disc is connected to the force-controlled sanding belt machine (8).
8. A vertical high-voltage cable pretreatment mechanical device according to claim 1, characterized in that: A force control unit is provided at the end of the force control sand belt machine (8).
9. A vertical high-voltage cable pretreatment mechanical device according to claim 1, characterized in that: A Forma wheel (9) is installed at the bottom of the weldment base (1).
10. A vertical high-voltage cable pretreatment mechanical device according to claim 9, characterized in that: The Forma wheel (9) comprises a wheel (91) and a foot cup (92).