Wire lifting device with tension measurement and overload alarm device

Abstract

The invention discloses a wire lifting device with a tension measurement and overload alarm device. The wire lifting device comprises a tension measurement digital display device and a force bearing tool, the force bearing tool comprises a wire lifter and a lever block, one end of the lever block is connected with an iron tower operation hole, the other end of the lever block is connected with the tension measurement digital display device, and the wire lifter is connected with the lower end of the tension measurement digital display device; the tension measurement digital display device comprises a tension sensor and a nixie tube, and an alarm device is arranged in the nixie tube; the wire lifting device comprises a beam rod, wire supporting grooves are formed in the upper portions of the two ends of the beam rod, hanging rods are arranged on the lower portions of the two ends of the beam rod, the two hanging rods are of an X-shaped structure, and an adjusting rod is connected between the lower ends of the two hanging rods. The lower end of the suspension rod is provided with a wire hook. According to the wire lifting device, the load bearing condition of the force bearing tool can be displayed in real time, it is ensured that the borne pulling force does not exceed the limit value of the force bearing tool, meanwhile, through the structural design of the bearing claw arms and the bearing claws, the gravity of bearing force can be adjusted, and meanwhile the safety of wire bearing is improved.

Description

Technical Field

[0001] The invention relates to the technical field of power line maintenance tools, in particular to a wire lifting device with a tension measurement and overload alarm device. Background Art

[0002] Transmission lines are exposed to the outdoors for a long time and need to be regularly inspected and maintained. The wire lifter is a common load-bearing tool used in the maintenance of transmission lines. It is used to lift the wires of high-voltage lines during operation so that maintenance personnel can inspect relevant parts. According to the "three calculations, four tests and five prohibitions" requirements of maintenance, tools of different grades must be selected according to the calculated force size, and a certain safety factor must be considered. However, the specific force these load-bearing tools bear during use, whether they are overloaded or over-pulled, mainly depends on the operator's experience and judgment, and the results vary from person to person. Once there is an excessive load, it will exceed the force range of the load-bearing tool, which will cause serious consequences such as string drop and wire breakage. At the same time, traditional wire lifters are just simple claw structures, which not only easily cause the risk of the wire slipping out of the claw, but also wires of different sizes in the claw. If the size is too large, it is difficult to put into the claw, or if the size is too small, it is easy to move in the claw, causing wear on the outer wall of the wire.

[0003] In view of this, this application is hereby filed. Summary of the invention

[0004] The technical problem to be solved by the present invention is that the actual bearing force of the existing wire lifting device during use is unclear, and the wire lifting hook has a simple structure, which may cause the risk of wire unhooking or wear. The present invention aims to provide a wire lifting device with a tension measurement and overload alarm device, which can display the load condition of the load-bearing tool in real time, and provide an alarm function by setting a tension limit to ensure that the tension borne does not exceed the limit value of the load-bearing tool, thereby effectively solving the problem that the load-bearing tool is borne too large during the construction of overhead power transmission lines while the operator is unclear, affecting the personal safety of the construction personnel and the safety of the equipment. At the same time, through the structural design of the supporting claw arm and the supporting claw, not only the gravity of the bearing force can be adjusted, but also the safety of the wire support is improved.

[0005] The present invention is achieved through the following technical solutions:

[0006] A wire lifting device with a tension measurement and overload alarm device, comprising a tension measurement digital display device and a load-bearing tool;

[0007] The load-bearing tool includes a wire lifter and a lever hoist, one end of the lever hoist is connected to the tower operation hole, and the other end is connected to the tension measurement digital display device, and the wire lifter is connected to the lower end of the tension measurement digital display device;

[0008] The tension measurement digital display device comprises a tension sensor and a digital tube, wherein an alarm device is arranged in the digital tube, and when the tension sensor detects that the tension value is greater than a preset value, the alarm device sounds an alarm;

[0009] The wire lifter includes a beam rod, and the upper parts of both ends of the beam rod are respectively provided with wire supporting grooves, and the lower parts of both ends of the beam rod are respectively provided with hanging rods, and the two hanging rods are cross-arranged in an X-shaped structure. The upper ends of the two hanging rods are hinged to the beam rod, and an adjusting rod is connected between the lower ends of the two hanging rods, and the adjusting rod has a telescopic structure; the lower end of the hanging rod is provided with a wire hook.

[0010] The wire lifting device of the present invention can display the load situation of the load-bearing tool in real time, and provide an alarm function by setting a tension limit value, thereby ensuring that the tension borne does not exceed the limit value of the load-bearing tool, thereby effectively solving the problem that the tension value borne by the load-bearing tool during the construction of overhead power transmission lines is too large and the operators are not aware of it, which affects the personal safety of the construction workers and the safety of equipment. At the same time, through the structural design of the supporting claw arm and the supporting claw, not only can the gravity of the load-bearing be adjusted, but also the safety of the wire support is improved.

[0011] The wire lifting device of the present invention has a tension sensor composed of an elastic body and a resistance strain gauge, and has two hollow closed threaded holes at the upper and lower ends. One end is connected to the wire lifting device by bolts, and the other end is connected to the hand hoist hook by a U-shaped ring. The digital tube is composed of a single-chip microcomputer, a decoder, a buzzer alarm, and a battery. The tension sensor is set at the front end, and the tension data is transmitted to the single-chip microcomputer. The decoder converts the hexadecimal and binary systems, and finally outputs and displays it on the digital tube. The display on the digital tube is divided into 2 groups, one group is the tension limit, which is arranged on the left side of the screen, and the other group is a real-time display of the current force value of the load-bearing tool, which is arranged on the right side of the screen. After the tension sensor senses the tension, the electrical signal is transmitted through the line, and the digital tube displays it on the right screen. At the same time, a buzzer alarm device is provided in the digital tube. The operator on the tower enters the tension limit on the left side of the digital tube keyboard in advance, observes the change of the tension value on the right side, and once the tension value on the right side reaches the tension limit on the left side, the buzzer alarm will emit a buzzer alarm sound to prompt the operator to stop the operation.

[0012] The thread lifting device of the present invention cross-arranges two hanging rods in an X-shaped structure, the upper ends of the two hanging rods are hinged to the beam rod, and an adjusting rod is connected between the lower ends of the two hanging rods. The adjusting rod has a telescopic structure, and the angle between the two hanging rods and the spacing between the two wire hooks can be adjusted by adjusting the length of the adjusting rod, thereby changing the center of gravity of the overall thread lifting when the thread lifter is working; at the same time, vertical hanging rods are directly arranged at both ends of the conventional hanging rods, so the force is concentrated on the two ends of the beam rod during work, and the force is loose and the stability is poor; while in the present invention, since the two hanging rods are cross-arranged in an X-shaped structure, the force of the two hanging rods is toward the center position of the thread lifter, and the adjusting rod plays a supporting role in the middle, which can ensure that the force center of the overall thread lifter is close to the center, thereby improving the overall stability of the thread lifter.

[0013] In a specific embodiment, one of the suspension rods has a strip through hole in the middle, and the lower end of the other suspension rod passes through the strip through hole to form an X-shaped cross structure, ensuring that the two suspension rods are arranged in the same plane while achieving adjustment of the angle between them.

[0014] In a specific embodiment, the wire hook includes a semicircular ring plate with an opening facing upward, and pressing plates are vertically arranged on the inner sides of both ends of the opening of the semicircular ring plate, the end of the pressing plate is hinged to the semicircular ring plate, and the other end of the pressing plate is connected to the sealing plate, and the lower ends of the two sealing plates are in contact to form a V-shaped structure facing the inner side of the semicircular ring plate, and the lower ends of the two sealing plates are connected to fastening plates inclined toward both sides, and the ends of the fastening plates are hinged to the ends of the sealing plates;

[0015] By applying downward force to the pressing plate, the lower ends of the two sealing plates are separated to allow the wire to enter. After the wire enters, the two sealing plates are closed, and the two fastening plates are attached to the outer wall of the wire.

[0016] The present invention can prevent the wire from being unhooked and ensure the fixation between the wire hook and the wire by providing a wire hook with a closed and fixed structure, so as to prevent the wire from moving back and forth and scraping against the inner wall of the hook. When the wire hook of the present invention is used, firstly, the two pressing plates are pressed downward, so that the two sealing plates forming a V-shaped closed structure are separated toward both sides, and the wire is hung into the cavity at the bottom of the semicircular ring plate, and the force applied to the pressing plate is withdrawn. The two sealing plates return to their original positions to close the top opening of the semicircular ring plate, and at the same time, the two fastening plates follow the sealing plates to move to be tangent to the outer wall of the wire, so as to form a triangular clamping relationship between the two fastening plates and the semicircular ring plate to ensure the fixation of the wire; since the end of the fastening plate and the end of the sealing plate are hinged structures, the fastening plates can play a good fixing role for wires of different sizes within a certain range.

[0017] In a specific embodiment, a clearance hole opened along the circumferential direction is provided on the semicircular ring plate at the end portion opposite to the fastening plate, and the clearance hole is used to allow the end portion of the fastening plate to extend when the pressing plate is pressed downward. The present invention provides a clearance hole so that the fastening plate has enough space to make way when the wire is hung in the semicircular ring plate, thereby ensuring that the sealing plate can be opened normally.

[0018] In a specific embodiment, the upper end of the fastening plate and the lower end of the sealing plate, and the end of the pressing plate and the semicircular ring plate are hinged by a reset spring. The present invention provides a reset spring, and when the size of the wire is large, the angle between the two fastening plates can be increased while ensuring that the sealing plate is normally fitted and closed, and then the fastening plate can tightly clamp the wire under the action of the reset spring.

[0019] In a specific embodiment, the fastening plate is made of rubber material or the outer wall of the fastening plate is coated with a soft silicone layer, that is, the fastening plate is in soft contact with the wire to avoid damage to the outer wall of the wire.

[0020] In a specific embodiment, the telescopic structure of the adjusting rod includes a hollow adjusting cylinder, a driving bevel gear whose axis is perpendicular to the hollow adjusting cylinder is arranged in the hollow adjusting cylinder, driven bevel gears whose axis is parallel to the hollow adjusting cylinder are respectively meshed on both sides of the driving bevel gear, a threaded rod is coaxially connected to the driven bevel gear, and a telescopic sleeve is threadedly connected to the outside of the threaded rod, the telescopic sleeve can make horizontal linear motion along the inner wall of the hollow adjusting cylinder, and the end of the telescopic sleeve is hinged to the lower end of the suspension rod;

[0021] The driven bevel gear is driven to rotate by rotating the driving bevel gear, and the driven bevel gear drives the threaded rod to rotate together, thereby driving the telescopic sleeve to move toward the outside or inside of the hollow adjustment cylinder, thereby adjusting the distance and height between the lower ends of the two suspension rods.

[0022] The present invention can simultaneously extend and retract the telescopic sleeves on both sides of the hollow adjustment cylinder by arranging a bevel gear meshing structure, thereby realizing the adjustment of the length of the adjustment rod.

[0023] In a specific embodiment, a driving shaft is coaxially connected to the driving bevel gear, a driving rope is wound around the driving shaft, an upper end of the driving rope is connected to a driving motor, the driving motor is mounted on a tension measurement digital display device, and the driving motor and the tension measurement digital display device are connected via an electrical signal.

[0024] The present invention connects the tension measurement and the length adjustment of the adjustment rod through the driving rope and the motor to form an integral whole. When the tension measurement digital display device shows that the tension value exceeds the preset value, a signal is sent to start the driving motor. The driving motor rotates so that the upper end of the driving rope is continuously wound around the rotating shaft of the driving motor, and the lower end of the driving rope drives the driving shaft to rotate to unwind the driving rope, so that the driving shaft drives the driving bevel gear to rotate, thereby adjusting the length of the adjusting rod, so as to change the height of the wire hook, adjust the overall center of gravity and force of the wire lifter, reduce the wind resistance received at high altitude and the kinetic energy of the swing, so that the force of the wire lifter can be reduced to a certain extent in a short time, and provide sufficient reaction and remedial time for the operator to stop working.

[0025] Among them, two driving ropes are provided, which are wound around the driving shaft in opposite directions, so that the motor can drive the driving shaft to rotate when rotating forward or reverse, thereby achieving the extension or shortening of the length of the adjustment rod.

[0026] In a specific embodiment, two clamping plates are arranged between the inner walls on both sides of the wire supporting trough, and the clamping plates have multiple arc-shaped grooves on the relative wall surfaces from top to bottom, and multiple circular wire clamping areas are formed between the two clamping plates; the clamping plates are connected to the side walls of the wire supporting trough by springs.

[0027] The present invention is also provided with a wire supporting groove, the main purpose of which is to take into account the larger size of the wires and the smaller size of the wires. A groove similar to a gourd structure is formed by two clamping plates, which can enable multiple wires to be clamped into the two clamping plates from top to bottom in sequence for fixation.

[0028] In a specific embodiment, the clamping plate is also made of rubber material.

[0029] In a specific embodiment, the top opening of the wire trough is further provided with a closed cover plate.

[0030] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0031] 1. A wire lifting device with a tension measurement and overload alarm device provided in an embodiment of the present invention can display the load situation of the load-bearing tool in real time, and provide an alarm function by setting a tension limit value to ensure that the tension borne does not exceed the limit value of the load-bearing tool, thereby effectively solving the problem that the tension value borne by the load-bearing tool during the construction of the overhead transmission line is too large and the operator is not clear, which affects the personal safety of the construction personnel and the safety of the equipment. At the same time, through the structural design of the supporting claw arm and the supporting claw, not only can the gravity of the load-bearing be adjusted, but also the safety of the wire support is improved;

[0032] 2. A wire lifting device with a tension measurement and overload alarm device provided by an embodiment of the present invention has two hanging rods cross-arranged in an X-shaped structure, the upper ends of the two hanging rods are hinged to the beam rod, and an adjusting rod is connected between the lower ends of the two hanging rods. The adjusting rod has a telescopic structure, and the angle between the two hanging rods and the distance between the two wire hooks can be adjusted by adjusting the length of the adjusting rod, thereby changing the center of gravity of the overall wire lifting when the wire lifting device is working;

[0033] 3. In the embodiment of the present invention, a wire lifting device with a tension measurement and overload alarm device is provided. The two suspension rods are cross-arranged in an X-shaped structure. Therefore, the forces of the two suspension rods are both directed toward the center of the wire lifting device. The adjusting rod plays a supporting role in the middle, which can ensure that the force center of the entire wire lifting device is close to the center, thereby improving the overall stability of the wire lifting device.

[0034] 4. A wire lifting device with a tension measurement and overload alarm device provided in an embodiment of the present invention can prevent the wire from being unhooked by providing a wire hook with a closed and fixed structure, and can also ensure the fixation between the wire hook and the wire, thereby preventing the wire from moving back and forth and scratching the inner wall of the hook;

[0035] 5. A wire lifting device with a tension measurement and overload alarm device provided in an embodiment of the present invention can simultaneously extend and retract the telescopic sleeves on both sides of the hollow adjustment cylinder by setting a bevel gear meshing structure, thereby adjusting the length of the adjustment rod;

[0036] 6. An embodiment of the present invention provides a wire lifting device with a tension measurement and overload alarm device, in which the tension measurement and the length adjustment of the adjusting rod are connected as a whole through a driving rope and a motor. When the tension measurement digital display device shows that the tension value exceeds the preset value, a signal is sent to start the driving motor. The driving motor rotates so that the upper end of the driving rope is continuously wrapped around the rotating shaft of the driving motor, thereby adjusting the length of the adjusting rod, so as to change the height of the wire hook, adjust the center of gravity and force of the wire lifting device as a whole, reduce the wind resistance received at high altitude and the kinetic energy of the swing, thereby reducing the force on the wire lifting device to a certain extent in a short time, and providing sufficient reaction and remedial time for the operator to stop working. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1A schematic diagram of the structure of a thread lifting device provided in an embodiment of the present invention;

[0039] Figure 2 A schematic diagram of a wire hook structure provided by an embodiment of the present invention;

[0040] Figure 3 A schematic diagram of the structure of a semicircular ring plate provided in an embodiment of the present invention;

[0041] Figure 4 A schematic diagram of the structure of an adjustment rod provided in an embodiment of the present invention;

[0042] Figure 5 A schematic diagram of the structure of a wire support trough provided in an embodiment of the present invention;

[0043] Figure 6 This is a module structure diagram of the tension measurement digital display device provided in an embodiment of the present invention.

[0044] Reference numerals and corresponding parts names:

[0045] 1- digital display device for tension measurement, 2- wire lifter, 3- lever hoist, 4- beam, 5- wire trough, 6- hanging rod, 7- adjusting rod, 8- wire hook, 9- semicircular ring plate, 10- pressing plate, 11- sealing plate, 12- fastening plate, 13- giving way through hole, 14- hollow adjusting cylinder, 15- driving bevel gear, 16- driven bevel gear, 17- threaded rod, 18- telescopic sleeve, 19- driving shaft, 20- driving rope, 21- clamping plate. DETAILED DESCRIPTION

[0046] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0047] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is apparent to those of ordinary skill in the art that these specific details do not have to be employed to practice the present invention. In other embodiments, in order to avoid confusing the present invention, well-known structures are not specifically described.

[0048] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0049] In the description of the present invention, the directions or positional relationships indicated by terms such as “front”, “rear”, “left”, “right”, “up”, “down”, “vertical”, “horizontal”, “high”, “low”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the scope of protection of the present invention.

[0050] Example 1

[0051] like Figure 1-Figure 6 As shown, an embodiment of the present invention provides a wire lifting device with a tension measurement and overload alarm device, including a tension measurement digital display device 1 and a load-bearing tool;

[0052] The load-bearing tool includes a wire lifter 2 and a lever hoist 3, one end of the lever hoist 3 is connected to the tower operation hole, and the other end is connected to the tension measurement digital display device, and the wire lifter 2 is connected to the lower end of the tension measurement digital display device 1;

[0053] The tension measurement digital display device 1 comprises a tension sensor and a digital tube, wherein an alarm device is arranged in the digital tube, and when the tension sensor detects that the tension value is greater than a preset value, the alarm device sounds an alarm;

[0054] The wire lifter 2 includes a beam rod 4, and the upper parts of the two ends of the beam rod 4 are respectively provided with wire supporting grooves 5, and the lower parts of the two ends of the beam rod 4 are respectively provided with hanging rods 6. The two hanging rods 6 are cross-arranged in an X-shaped structure. The upper ends of the two hanging rods 6 are hinged to the beam rod 4, and an adjusting rod 7 is connected between the lower ends of the two hanging rods 6. The adjusting rod 7 has a telescopic structure; the lower end of the hanging rod 6 is provided with a wire hook 8.

[0055] The wire lifting device of the present invention can display the load situation of the load-bearing tool in real time, and provide an alarm function by setting a tension limit value, thereby ensuring that the tension borne does not exceed the limit value of the load-bearing tool, thereby effectively solving the problem that the tension value borne by the load-bearing tool during the construction of overhead power transmission lines is too large and the operators are not aware of it, which affects the personal safety of the construction workers and the safety of equipment. At the same time, through the structural design of the supporting claw arm and the supporting claw, not only can the gravity of the load-bearing be adjusted, but also the safety of the wire support is improved.

[0056] The wire lifting device of the present invention has a tension sensor composed of an elastic body and a resistance strain gauge, and has two hollow closed threaded holes at the upper and lower ends. One end is connected to the wire lifting device by bolts, and the other end is connected to the hand hoist hook by a U-shaped ring. The digital tube is composed of a single-chip microcomputer, a decoder, a buzzer alarm, and a battery. The tension sensor is set at the front end, and the tension data is transmitted to the single-chip microcomputer. The decoder converts the hexadecimal and binary systems, and finally outputs and displays it on the digital tube. The display on the digital tube is divided into 2 groups, one group is the tension limit, which is arranged on the left side of the screen, and the other group is a real-time display of the current force value of the load-bearing tool, which is arranged on the right side of the screen. After the tension sensor senses the tension, the electrical signal is transmitted through the line, and the digital tube displays it on the right screen. At the same time, a buzzer alarm device is provided in the digital tube. The operator on the tower enters the tension limit on the left side of the digital tube keyboard in advance, observes the change of the tension value on the right side, and once the tension value on the right side reaches the tension limit on the left side, the buzzer alarm will emit a buzzer alarm sound to prompt the operator to stop the operation.

[0057] The thread lifting device of the present invention cross-arranges two hanging rods in an X-shaped structure, the upper ends of the two hanging rods are hinged to the beam rod, and an adjusting rod is connected between the lower ends of the two hanging rods. The adjusting rod has a telescopic structure, and the angle between the two hanging rods and the spacing between the two wire hooks can be adjusted by adjusting the length of the adjusting rod, thereby changing the center of gravity of the overall thread lifting when the thread lifter is working; at the same time, vertical hanging rods are directly arranged at both ends of the conventional hanging rods, so the force is concentrated on the two ends of the beam rod during work, and the force is loose and the stability is poor; while in the present invention, since the two hanging rods are cross-arranged in an X-shaped structure, the force of the two hanging rods is toward the center position of the thread lifter, and the adjusting rod plays a supporting role in the middle, which can ensure that the force center of the overall thread lifter is close to the center, thereby improving the overall stability of the thread lifter.

[0058] In a specific embodiment, one of the suspension rods has a strip through hole in the middle, and the lower end of the other suspension rod passes through the strip through hole to form an X-shaped cross structure, ensuring that the two suspension rods are arranged in the same plane while achieving adjustment of the angle between them.

[0059] In a specific embodiment, the wire hook 8 includes a semicircular ring plate 9 with an opening facing upward, and a pressing plate 10 is vertically arranged on the inner side of both ends of the opening of the semicircular ring plate 9, and the end of the pressing plate 10 is hinged to the semicircular ring plate 9, and the other end of the pressing plate 10 is connected to the sealing plate 11, and the lower ends of the two sealing plates 11 are in contact to form a V-shaped structure facing the inner side of the semicircular ring plate 9, and the lower ends of the two sealing plates 11 are connected to the fastening plates 12 inclined toward both sides, and the ends of the fastening plates 12 are hinged to the ends of the sealing plates 11;

[0060] By applying downward force to the pressing plate 10, the lower ends of the two sealing plates 11 are separated to allow the wire to enter. After the wire enters, the two sealing plates 11 are closed, and the two fastening plates 12 are attached to the outer wall of the wire.

[0061] The present invention can prevent the wire from being unhooked and ensure the fixation between the wire hook and the wire by providing a wire hook with a closed and fixed structure, so as to prevent the wire from moving back and forth and scraping against the inner wall of the hook. When the wire hook of the present invention is used, firstly, the two pressing plates are pressed downward, so that the two sealing plates forming a V-shaped closed structure are separated toward both sides, and the wire is hung into the cavity at the bottom of the semicircular ring plate, and the force applied to the pressing plate is withdrawn. The two sealing plates return to their original positions to close the top opening of the semicircular ring plate, and at the same time, the two fastening plates follow the sealing plates to move to be tangent to the outer wall of the wire, so as to form a triangular clamping relationship between the two fastening plates and the semicircular ring plate to ensure the fixation of the wire; since the end of the fastening plate and the end of the sealing plate are hinged structures, the fastening plates can play a good fixing role for wires of different sizes within a certain range.

[0062] In a specific embodiment, a clearance hole 13 opened along the circumferential direction is provided on the semicircular ring plate 9 at the end opposite to the fastening plate 12. The clearance hole 13 is used to allow the end of the fastening plate 12 to extend when the pressing plate 10 is pressed downward. The present invention provides a clearance hole so that the fastening plate has enough space to make way when the wire is hung in the semicircular ring plate, thereby ensuring that the sealing plate can be opened normally.

[0063] In a specific embodiment, the upper end of the fastening plate 12 and the lower end of the sealing plate 11, and the end of the pressing plate 10 and the semicircular ring plate 9 are hinged by a reset spring. The present invention provides a reset spring, and when the size of the wire is large, the angle between the two fastening plates can be increased while ensuring that the sealing plate is normally fitted and closed, and then the fastening plate can tightly clamp the wire under the action of the reset spring.

[0064] In a specific embodiment, the fastening plate 12 is made of rubber material or the outer wall of the fastening plate 12 is coated with a soft silicone layer, that is, the fastening plate and the wire are in soft contact to avoid damage to the outer wall of the wire.

[0065] In a specific embodiment, the telescopic structure of the adjusting rod 7 includes a hollow adjusting cylinder 14, a driving bevel gear 15 whose axis is perpendicular to the hollow adjusting cylinder 14 is arranged in the hollow adjusting cylinder 14, and driven bevel gears 16 whose axis is parallel to the hollow adjusting cylinder 14 are respectively meshed on both sides of the driving bevel gear 15, and a threaded rod 17 is coaxially connected to the driven bevel gear 16, and a telescopic sleeve 18 is threadedly connected to the outside of the threaded rod 17, and the telescopic sleeve 18 can make horizontal linear motion along the inner wall of the hollow adjusting cylinder 14, and the end of the telescopic sleeve 18 is hinged to the lower end of the suspension rod 6;

[0066] By rotating the driving bevel gear 15, the driven bevel gear 16 is driven to rotate, and the driven bevel gear 16 drives the threaded rod 17 to rotate together, thereby driving the telescopic sleeve 18 to move toward the outside or inside of the hollow adjustment tube 14, so as to adjust the distance and height between the lower ends of the two suspension rods 6.

[0067] The present invention can simultaneously extend and retract the telescopic sleeves on both sides of the hollow adjustment cylinder by arranging a bevel gear meshing structure, thereby realizing the adjustment of the length of the adjustment rod.

[0068] In a specific embodiment, a driving shaft 19 is coaxially connected to the driving bevel gear 15, a driving rope 20 is wound around the driving shaft 19, an upper end of the driving rope 20 is connected to a driving motor, and the driving motor is installed on the tension measurement digital display device 1, and the driving motor and the tension measurement digital display device 1 are connected through electrical signals.

[0069] The present invention connects the tension measurement and the length adjustment of the adjustment rod through the driving rope and the motor to form an integral whole. When the tension measurement digital display device shows that the tension value exceeds the preset value, a signal is sent to start the driving motor. The driving motor rotates so that the upper end of the driving rope is continuously wound around the rotating shaft of the driving motor, and the lower end of the driving rope drives the driving shaft to rotate to unwind the driving rope, so that the driving shaft drives the driving bevel gear to rotate, thereby adjusting the length of the adjusting rod, so as to change the height of the wire hook, adjust the overall center of gravity and force of the wire lifter, reduce the wind resistance received at high altitude and the kinetic energy of the swing, so that the force of the wire lifter can be reduced to a certain extent in a short time, and provide sufficient reaction and remedial time for the operator to stop working.

[0070] Among them, two driving ropes are provided, which are wound around the driving shaft in opposite directions, so that the motor can drive the driving shaft to rotate when rotating forward or reverse, thereby achieving the extension or shortening of the length of the adjustment rod.

[0071] In a specific embodiment, two clamping plates 21 are arranged between the inner walls on both sides of the wire supporting trough 5, and the clamping plates 21 have multiple arc-shaped grooves on the relative wall surfaces from top to bottom, and multiple circular wire clamping areas are formed between the two clamping plates 21; the clamping plates 21 are connected to the side walls of the wire supporting trough 5 by springs.

[0072] The present invention is also provided with a wire supporting groove, the main purpose of which is to take into account the larger size of the wires and the smaller size of the wires. A groove similar to a gourd structure is formed by two clamping plates, which can enable multiple wires to be clamped into the two clamping plates from top to bottom in sequence for fixation.

[0073] In a specific embodiment, the clamping plate 21 is also made of rubber material.

[0074] In a specific embodiment, the top opening of the wire supporting trough 5 is further provided with a closed cover.

[0075] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wire lifting device with tension measurement and overload warning device, characterized in that: It comprises a tensile force measurement digital display device (1) and a force bearing tool; The load-bearing tool comprises a wire lifter (2) and a lever hoist (3), one end of the lever hoist (3) is connected to the tower operation hole, and the other end is connected to the tension measurement digital display device, and the wire lifter (2) is connected to the lower end of the tension measurement digital display device (1); The tension measurement digital display device (1) comprises a tension sensor and a digital tube, wherein an alarm device is arranged in the digital tube, and when the tension sensor detects that the tension value is greater than a preset value, the alarm device sounds an alarm; The wire lifter (2) comprises a beam (4), the upper parts of both ends of the beam (4) are respectively provided with wire supporting grooves (5), the lower parts of both ends of the beam (4) are respectively provided with hanging rods (6), the two hanging rods (6) are cross-arranged in an X-shaped structure, the upper ends of the two hanging rods (6) are hinged to the beam (4), an adjusting rod (7) is connected between the lower ends of the two hanging rods (6), and the adjusting rod (7) has a telescopic structure; the lower end of the hanging rod (6) is provided with a wire hook (8).

2. A wire lifting device with tension measurement and overload warning device according to claim 1, characterized in that: The wire hook (8) comprises a semicircular ring plate (9) with an opening facing upwards, and a pressing plate (10) is vertically arranged on the inner sides of both ends of the opening of the semicircular ring plate (9), and the end of the pressing plate (10) is hinged to the semicircular ring plate (9), and the other end of the pressing plate (10) is connected to a sealing plate (11), and the lower ends of the two sealing plates (11) are in contact to form a V-shaped structure facing the inner side of the semicircular ring plate (9), and the lower ends of the two sealing plates (11) are connected to a fastening plate (12) inclined toward both sides, and the end of the fastening plate (12) is hinged to the end of the sealing plate (11); By applying downward force to the pressing plate (10), the lower ends of the two sealing plates (11) are separated to allow the wire to enter. After the wire enters, the two sealing plates (11) are closed, and the two fastening plates (12) are attached to the outer wall of the wire.

3. A wire lifting device with tension measurement and overload warning device according to claim 2, characterized in that: A clearance through hole (13) opened along the circumferential direction is provided on the semicircular ring plate (9) at the end portion facing the fastening plate (12). The clearance through hole (13) is used to allow the end portion of the fastening plate (12) to extend when the pressing plate (10) is pressed downward.

4. A wire lifting device with tension measurement and overload warning device according to claim 2, characterized in that: The upper end of the fastening plate (12) and the lower end of the sealing plate (11), and the end of the pressing plate (10) and the semicircular ring plate (9) are hinged via a return spring.

5. A wire lifting device with tension measurement and overload warning device according to claim 2, characterized in that: The fastening plate (12) is made of rubber material or the outer wall of the fastening plate (12) is coated with a soft silicone layer.

6. A wire lifting device with tension measurement and overload warning device according to claim 1, characterized in that: The telescopic structure of the adjusting rod (7) comprises a hollow adjusting cylinder (14), a driving bevel gear (15) whose axis is perpendicular to the hollow adjusting cylinder (14) is arranged in the hollow adjusting cylinder (14), driven bevel gears (16) whose axis is parallel to the hollow adjusting cylinder (14) are respectively meshed on both sides of the driving bevel gear (15), a threaded rod (17) is coaxially connected to the driven bevel gear (16), and a telescopic sleeve (18) is threadedly connected to the outside of the threaded rod (17), and the telescopic sleeve (18) can move horizontally and linearly along the inner wall of the hollow adjusting cylinder (14), and the end of the telescopic sleeve (18) is hinged to the lower end of the suspension rod (6); The driven bevel gear (16) is driven to rotate by rotating the driving bevel gear (15), and the driven bevel gear (16) drives the threaded rod (17) to rotate together, thereby driving the telescopic sleeve (18) to move toward the outside or inside of the hollow adjustment cylinder (14), thereby realizing the adjustment of the distance and height between the lower ends of the two suspension rods (6).

7. A wire lifting device with tension measurement and overload warning device according to claim 6, characterized in that: A driving shaft (19) is coaxially connected to the driving bevel gear (15), a driving rope (20) is wound around the driving shaft (19), an upper end of the driving rope (20) is connected to a driving motor, the driving motor is mounted on the tension measurement digital display device (1), and the driving motor and the tension measurement digital display device (1) are connected via an electrical signal.

8. A wire lifting device with tension measurement and overload warning device according to claim 1, characterized in that: Two clamping plates (21) are arranged between the inner walls of both sides of the wire supporting groove (5), and the clamping plates (21) have a plurality of arc-shaped grooves on the opposite wall surfaces from top to bottom, and a plurality of circular wire clamping areas are formed between the two clamping plates (21); The clamping plate (21) is connected to the side wall of the wire supporting groove (5) via a spring.

9. A wire lifting device with tension measurement and overload warning device according to claim 8, characterized in that: The clamping plate (21) is also made of rubber material.

10. A wire lifting device with tension measurement and overload warning device according to claim 8, characterized in that: The top opening of the wire supporting trough (5) is also provided with a closed cover plate.

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