Universal taking and installing tool for insulator locking pin
By designing a universal tool for picking up and installing insulator locking pins, precise picking and installing of R-type and W-type pins was achieved, solving the problems of high safety risks and low efficiency in existing technologies, and improving operational accuracy and power supply reliability.
Patent Information
- Application Number
- CN202511262163.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-05
- Publication Date
- 2025-11-28
AI Technical Summary
Existing technologies lack specialized tools for removing and installing locking pins, resulting in high safety risks, high labor intensity, and low efficiency. Furthermore, power outages are required when there are limitations on the combination gaps, affecting power supply reliability and the safe operation of the power grid.
A universal tool for picking and installing insulator locking pins has been designed, including a universal pin picker, a housing, a drive module, an insulating operating rod, a camera, and a smartphone. The drive module is remotely controlled via a wireless protocol. Combined with a Phillips head connection structure and a detachable plug-in square head, it enables precise picking and installing of R-type and W-type pins.
It enables safe operation at ground potential, protects the integrity of the galvanized layer of the locking pin, improves operational accuracy and power supply reliability, and reduces safety risks and labor intensity.
Smart Images

Figure CN121018461A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a kind of insulator locking pin universal tool, belong to locking pin installation technology field. BACKGROUND
[0002] Locking pin utilizes the material elasticity and shape characteristics of itself, the part that connects together between insulator and metal accessory, for insulator ball socket coupling, prevent foot ball from being taken out from cap socket, if failure or fall, it will cause the serious consequences of insulator string disconnection.
[0003] Locking pin has two standard types, namely R type pin and W type pin.R type pin is inserted through cap socket pin hole, can be operated between locking and coupling position, the locking state of R type pin: R type pin is completely embedded in cap socket;R type pin is pulled out from the rear end of cap socket to coupling position in the state of being taken out.W type pin is inserted through cap socket pin hole, can be operated between locking and coupling position, the locking state of W type pin: W type pin is completely embedded in cap socket;W type pin is pushed out from cap socket opening to coupling position or is clamped to be taken out from cap socket in the state of being taken out.
[0004] At present, no special tool can complete the taking out and installation work of two kinds of locking pins, and the replacement is usually carried out by using equipotential operation method, and the operating personnel must enter and exit strong electric field, W type pin is knocked out by using the end of wrench, R type pin is clamped out by using vise, which has high safety risk, high labor intensity, low efficiency, and is easy to damage the galvanized layer on the surface of locking pin.If replacement operation is limited by combination gap, equipotential operation method cannot be used, and only power-off operation can be carried out to replace, which will cause unnecessary power loss, and will have certain influence on power supply reliability and safe operation of power grid. SUMMARY
[0005] In order to solve the above problems existing in the prior art, the present application provides a kind of insulator locking pin universal tool, which can complete the taking out and installation work of two kinds of locking pins.
[0006] The technical scheme of the present application is as follows:
[0007] A kind of insulator locking pin universal tool, including universal pin extractor, shell, drive module, insulating operating rod, camera and smart phone;The universal pin extractor is detachably linked with the drive module in the shell;The shell is connected with the insulating operating rod, the camera is used for real-time image acquisition of locking pin;The smart phone is installed on the insulating operating rod, and is connected with the camera and drive module by wireless protocol, for remotely controlling drive module and identifying locking pin state;The drive module includes power system, elastic system and trigger system integrated in the shell, and the drive module is used to drive the universal pin extractor to complete the pin extraction and pin installation operation of locking pin, and the universal pin extractor includes W type pin push pin extractor and R type pin extraction hook.
[0008] The power system of the driving module comprises a first motor driven by a power supply, the output end of the first motor is provided with a power gear, the two ends of the power gear are respectively engaged with a first gear and a second gear, the centers of the first gear and the second gear are respectively fixedly provided with a first transmission screw rod and a second transmission screw rod, the first transmission screw rod and the second transmission screw rod are respectively slidably provided with a first push rod and a second push rod, the first push rod is provided with a first pull plate and a second pull plate, the second push rod is provided with a third pull plate and a fourth pull plate, and the first pull plate, the second pull plate, the third pull plate and the fourth pull plate are all towards the elastic system to realize the force storage work of the elastic system.
[0009] The elastic system of the driving module comprises a first spring, a second spring and a baffle, the first spring and the second spring are installed on the two sides of the baffle, one side of the baffle is connected with a sliding rod, the sliding rod extends out of the shell for connecting the universal pin extractor, and the two ends of the baffle are located between the first pull plate and the second pull plate and between the third pull plate and the fourth pull plate.
[0010] The trigger system of the driving module comprises a second motor, the output end of the second motor is fixedly connected with a third transmission screw rod, the third transmission screw rod is fixedly provided with a connecting barrel, and the connecting barrel is slidably provided with a first trigger and a second trigger.
[0011] The end portions of the first trigger and the second trigger are both provided with wedge-shaped openings on the opposite sides, the baffle abuts against the wedge-shaped openings to extrude the first trigger and the second trigger to retract towards the inside of the connecting barrel, and the first trigger and the second trigger are both provided with a tension spring between the bottom of the connecting barrel.
[0012] The shell and the insulating operating rod are connected through a spanner head connection structure, the spanner head connection structure comprises a spanner head male head and a spanner head female head, the spanner head male head is provided with a plurality of circumferentially distributed spanner contacts, the spanner head female head is provided with spanner grooves matched with the spanner contacts, and the spanner head male head and the spanner head female head are butted through a first bolt.
[0013] The universal pin extractor and the sliding rod are detachably connected through a small plug-in square head and a large plug-in square head and are fixed through a second bolt, and the butt joint structure of the small plug-in square head and the large plug-in square head allows the universal pin extractor to be installed in a horizontal / vertical direction.
[0014] The application has the following beneficial effects:
[0015] The application realizes 360-degree free rotation of the tool and the insulating operating rod through the star-shaped head connecting structure, and the horizontal / vertical direction switching installation of the small plug-in square head and the large plug-in square head, which is suitable for different insulator models and space orientations; the power system of the driving module drives the push rod and the pull plate through gear transmission to compress or stretch the spring force, the motor in the trigger system drives the connecting cylinder to translate to trigger the wedge-shaped port trigger to unlock the baffle, release the spring force to drive the sliding rod to link the universal pin extractor to accurately act, cooperate with the camera to capture images and the intelligent phone OpenCV software to intelligently identify the locking pin state, realize remote closed-loop control, and achieve the comprehensive effect of ground potential safe operation, protection of the galvanized layer integrity of the locking pin, improvement of the operation precision and power supply reliability BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic diagram of the application;
[0017] Figure 2 It is a shell internal structure plan view of the application;
[0018] Figure 3 It is a shell internal structure side view of the application;
[0019] Figure 4 It is a trigger system structure schematic diagram of the application;
[0020] Figure 5 It is a power system structure schematic diagram of the application;
[0021] Figure 6 It is a star-shaped head connecting structure side view of the application;
[0022] Figure 7 It is a star-shaped head connecting structure butt joint schematic diagram of the application.
[0023] The reference signs in the drawing represent:
[0024] 1, universal pin extractor; 2, slide rod; 4, shell; 7, insulated operating rod; 8, camera; 9, smart phone; 11, W-shaped pin pusher; 12, R-shaped pin extractor; 31, power supply; 32, first motor; 33, first gear; 34, second gear; 36, second motor; 37, connecting barrel; 38, tension spring; 51, small plug-in square head; 52, large plug-in square head; 53, second bolt; 61, hexagonal male head; 62, hexagonal female head; 63, hexagonal contact; 64, hexagonal groove; 65, first bolt; 321, power gear; 331, first transmission screw; 333, first push rod; 334, first pull plate; 335, second pull plate; 341, second transmission screw; 343, second push rod; 344, third pull plate; 345, fourth pull plate; 351, first spring; 352, second spring; 353, baffle; 361, third transmission screw; 372, first trigger; 374, second trigger; 71, phone holder; 81, camera holder. DETAILED DESCRIPTION
[0025] The application will be described in detail below in conjunction with the drawings and specific embodiments.
[0026] Please refer to Figures 1 to 7 , the application provides a technical solution:
[0027] The universal pin extractor of the insulator locking pin includes a universal pin extractor 1, a shell 4, a drive module, an insulated operating rod 7, a camera 8, and a smart phone 9. The universal pin extractor 1 is detachably linked with the drive module inside the shell 4. The shell 4 is connected with the insulated operating rod 7. The camera 8 can be installed at any position of the shell 4 or the insulated operating rod 7 through a camera holder 81. The camera 8 is used for real-time image acquisition of the locking pin. The smart phone 9 is installed at a phone holder 71 on the insulated operating rod 7 and is connected with the camera 8 and the drive module through a wireless protocol. The smart phone 9 is used for remote control of the drive module and identification of the locking pin state. The drive module includes a power system, an elastic system, and a trigger system integrated in the shell 4. The drive module is used for driving the universal pin extractor 1 to complete the pin extraction and pin installation operation of the locking pin. The universal pin extractor 1 includes a W-shaped pin pusher 11 and an R-shaped pin extractor 12.
[0028] Preferably, the smart phone 9 can remotely start the driving module, install video image recognition software developed based on OpenCV, internally contain 4 mode selection, and correspond to stop the driving module after judging that the locking pin is in the locking or removal state. The camera 8 feeds back images to the smart phone 9, which is used for the operator to operate the tool to align the locking pin and the OpenCV to judge the state of the locking pin. According to the wave interference theory, the wave band frequency used by the wireless signal is GHz level, and the power frequency of the electric field is Hz level, which is not easy to interfere, and meets the use conditions. The camera 8 is preferably a motion camera, supports high-speed capture of dynamic moments, and adopts intelligent anti-shake technology, can always keep the picture level stable in the scene of violent shaking; has a super wide-angle lens, can effectively control distortion, and present a wide scene; realizes real-time video stream acquisition, and transmits each frame of image to OpenCV for processing.
[0029] The power system of the driving module includes a first motor 32 driven by a power supply 31. The output end of the first motor 32 is provided with a power gear 321. The power gear 321 is meshed with a first gear 33 and a second gear 34 at both ends, respectively. The center of the first gear 33 and the second gear 34 is respectively fixedly provided with a first transmission lead screw 331 and a second transmission lead screw 341. The first transmission lead screw 331 and the second transmission lead screw 341 are respectively slidably provided with a first push rod 333 and a second push rod 343. The first push rod 333 is provided with a first pull plate 334 and a second pull plate 335. The second push rod 343 is provided with a third pull plate 344 and a fourth pull plate 345. The first pull plate 334, the second pull plate 335, the third pull plate 344 and the fourth pull plate 345 are all towards the elastic system to realize the force storage work of the elastic system. Specifically, the transmission structure of the first transmission lead screw 331 and the second transmission lead screw 341 and the first push rod 333 and the second push rod 343 is not different from the existing technology, that is, the first push rod 333 and the second push rod 343 can be driven to move by the rotation of the first transmission lead screw 331 and the second transmission lead screw 341. The specific detailed structure is not described here.
[0030] The elastic system of the driving module includes a first spring 351, a second spring 352 and a baffle 353. The first spring 351 and the second spring 352 are installed on both sides of the baffle 353. One side of the baffle 353 is connected with a sliding rod 2 which extends out of the shell 4 for connecting the universal pin extractor 1. The both ends of the baffle 353 are located between the first pull plate 334 and the second pull plate 335 and between the third pull plate 344 and the fourth pull plate 345, respectively.
[0031] The trigger system of the driving module comprises a second motor 36, the output end of the second motor 36 is fixedly connected with a third transmission screw rod 361, the third transmission screw rod 361 is fixedly installed with a connecting barrel 37, the connecting barrel 37 is slidably provided with a first trigger 372 and a second trigger 374; the end of the first trigger 372 and the second trigger 374 is provided with a wedge-shaped opening on the opposite side surface, the baffle 353 abuts against the wedge-shaped opening to extrude the first trigger 372 and the second trigger 374 to retract towards the inside of the connecting barrel 37; the first trigger 372 and the second trigger 374 are provided with a tension spring 38 between the bottom of the connecting barrel 37;
[0032] Specifically, during operation, the first motor 32 powered by the power supply 31 is first started remotely by the smart phone 9, and the power gear 321 at the output end of the first motor 32 is driven to rotate; the power gear 321 synchronously drives the meshed first gear 33 and the second gear 34 to rotate, so that the first transmission screw rod 331 fixed at the center of the first gear 33 and the second transmission screw rod 341 at the center of the second gear 34 are synchronously rotated; the first transmission screw rod 331 drives the first push rod 333 slidably installed to move linearly, and the first pull plate 334 and the second pull plate 335 thereon push the baffle 353; at the same time, the second transmission screw rod 341 drives the second push rod 343 to move linearly, and the third pull plate 344 and the fourth pull plate 345 thereon cooperatively push the baffle 353, so that the baffle 353 compresses the first spring 351 and stretches the second spring 352 after being stressed (or reversely stretches the first spring 351 / compresses the second spring 352), and after the force is accumulated, the baffle 353 moves to the wedge-shaped opening locking position of the first trigger 372 or the second trigger 374, and the first pull plate 334 and the second pull plate 335 and the third pull plate 344 and the fourth pull plate 345 are reset to avoid interference with the process of releasing the elastic force; at this time, the second motor 36 is automatically triggered to start by the smart phone 9, the third transmission screw rod 361 at the output end of the second motor 36 is driven to rotate, the connecting barrel 37 is driven to rotate, the first trigger 372 or the second trigger 374 on the connecting barrel 37 is misaligned with the baffle 353, so that the baffle 353 is no longer limited by the first trigger 372 or the second trigger 374, thereby releasing the locking of the baffle 353; the elastic force accumulated in the first spring 351 and the second spring 352 is instantaneously released, the baffle 353 is pushed to drive the slide rod 2 to move rapidly, the slide rod 2 links the W-shaped pin pusher 11 or the R-shaped pin puller 12 of the universal pin extractor 1 to execute the pin extraction / insertion action; during the process, the camera 8 captures the locking pin state in real time, the OpenCV software of the smart phone 9 analyzes the image and repeats the above steps until the operation is completed.
[0033] The shell 4 and the insulating operating rod 7 are connected through a box head connection structure, the box head connection structure comprises a male box head 61 and a female box head 62, the male box head 61 is provided with a plurality of circumferentially distributed box head contacts 63, and the female box head 62 is provided with box head grooves 64 matched with the box head contacts 63; the male box head 61 and the female box head 62 are penetrated and connected through a first bolt 65; in use, the box head contacts 63 are clamped into different box head grooves 64 by rotating the box head connection structure, so that the installation direction of the tool and the insulating operating rod 7 can be adjusted at will within 360°, and the pin taking and pin installing can be completed without being limited by the insulator model and the installation direction during work.
[0034] The universal pin extractor 1 and the slide rod 2 are detachably connected through a small plug-in square head 51 and a large plug-in square head 52, and are fixed through a second bolt 53; the butt joint structure of the small plug-in square head 51 and the large plug-in square head 52 allows the universal pin extractor 1 to switch the installation direction in the horizontal / vertical direction. Specifically, the installation direction can be selected according to the model of the locking pin, which can be installed vertically or horizontally. When installed horizontally, the W-shaped pin pusher 11 can push against the W-shaped pin from the cap well opening to complete the pin taking, and can push against the W-shaped pin at the coupling position to complete the pin installing; when installed vertically, the R-shaped pin taking hook 12 can hook the R-shaped pin from above or below to complete the pin taking and pin installing.
[0035] Specifically, the operation steps are as follows:
[0036] 1. Insulator R-shaped pin taking and installing operation
[0037] Pin taking: assemble and connect the tools, the universal pin extractor 1 is connected with the slide rod 2 in the vertical direction through the small plug-in square head 51 and the large plug-in square head 52, and is fixed with the second bolt 53; the position of the R-shaped pin is observed through the smart phone 9, the R-shaped pin taking hook 12 is hooked on the R-shaped pin by operating the insulating operating rod 7, the R-shaped pin taking mode is selected on the smart phone 9, the first motor 32 is started remotely, the driving power gear 321 drives the first gear 33 and the second gear 34 to rotate, the first transmission screw rod 331 and the second transmission screw rod 341 rotate synchronously, the first push rod 333 and the second push rod 343 move, the second pull plate 335 and the fourth pull plate 345 push the baffle 353, the first spring 351 is compressed and the second spring 352 is stretched, the baffle 353 moves to the wedge-shaped opening locking position of the first trigger 372, the push rod automatically returns to complete the energy storage; the second motor 36 is automatically started, the third transmission screw rod 361 is driven to rotate to release the spring force, the baffle 353 drives the slide rod 2 to quickly pull back, and the R-shaped pin is hooked to the taking-out state; repeat until the OpenCV software of the smart phone 9 judges that the R-shaped pin has been taken out.
[0038] Pin installation: the universal pin extractor 1 is installed vertically, the R-shaped pin extractor hook 12 hooks the removed R-shaped pin, and the smart phone 9 switches to the R-shaped pin installation mode; the first motor 32 is remotely started in reverse rotation, the power gear 321 reversely drives the gear set, the first pull plate 334 and the third pull plate 344 pull the baffle 353, the first spring 351 is stretched and the second spring 352 is compressed to the wedge-shaped opening locking position of the second trigger 374; the second motor 36 is automatically started to rotate to release the spring force, the baffle 353 is pushed to drive the slide rod 2 to advance, and the R-shaped pin is pushed into the locking position; repeat until the smart phone 9 judges that the R-shaped pin is returned.
[0039] 2. W-shaped pin extraction and installation operation of insulator
[0040] Pin extraction: the universal pin extractor 1 is installed horizontally, the W-shaped pin pusher 11 is aligned with the cap hole opening; the smart phone 9 selects the W-shaped pin extraction mode, the first motor 32 is remotely started in reverse rotation, the first pull plate 334 and the third pull plate 344 pull the baffle 353 to the locking position of the second trigger 374; the second motor 36 is automatically started to rotate to release the spring force to push the baffle 353 to drive the slide rod 2 to advance, and the W-shaped pin pusher 11 ejects the W-shaped pin; repeat until the smart phone 9 judges that the W-shaped pin is extracted.
[0041] Pin installation: keep horizontal installation, the W-shaped pin pusher 11 pushes against the W-shaped pin in the coupling position; the smart phone 9 switches to the W-shaped pin installation mode, and repeats the pin extraction steps, that is, the first motor 32 is reversed to accumulate force, and the second motor 36 is rotated to release, and the W-shaped pin is pushed to the locking position; repeat until the smart phone 9 judges that the W-shaped pin is returned.
[0042] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.
Claims
1. A universal tool for removing and installing insulator locking pins, characterized in that: The device includes a universal pin remover (1), a housing (4), a drive module, an insulating operating rod (7), a camera (8), and a smartphone (9). The universal pin remover (1) is detachably connected to the drive module inside the housing (4). The housing (4) is connected to the insulating operating rod (7), and the camera (8) is used to collect images of the locking pin in real time. The smartphone (9) is mounted on the insulating operating rod (7) and is connected to the camera (8) and the drive module via a wireless protocol for remote control of the drive module and identification of the locking pin status. The drive module includes a power system, a spring system, and a trigger system integrated inside the housing (4). The drive module is used to drive the universal pin remover (1) to complete the pin removal and pin installation operations. The universal pin remover (1) includes a W-type pin pusher (11) and an R-type pin removal hook (12).
2. The universal tool for removing and installing insulator locking pins as described in claim 1, characterized in that: The power system of the drive module includes a first motor (32) driven by a power source (31). A power gear (321) is installed at the output end of the first motor (32). A first gear (33) and a second gear (34) are respectively meshed at both ends of the power gear (321). A first transmission screw (331) and a second transmission screw (341) are respectively fixedly installed at the center of the first gear (33) and the second transmission screw (341). A first push rod (333) and a second push rod (343) are respectively slidably installed on the first transmission screw (331) and the second transmission screw (341). A first pull plate (334) and a second pull plate (335) are provided on the first push rod (333). A third pull plate (344) and a fourth pull plate (345) are provided on the second push rod (343). The first pull plate (334), the second pull plate (335), the third pull plate (344) and the fourth pull plate (345) all face the elastic system to realize the power storage operation of the elastic system.
3. The universal tool for removing and installing insulator locking pins as described in claim 2, characterized in that: The elastic system of the drive module includes a first spring (351), a second spring (352), and a baffle (353). The first spring (351) and the second spring (352) are installed on both sides of the baffle (353). A slide rod (2) is connected to one side of the baffle (353). The slide rod (2) extends out of the housing (4) to connect to the universal pin remover (1). The two ends of the baffle (353) are located between the first pull plate (334) and the second pull plate (335), and between the third pull plate (344) and the fourth pull plate (345), respectively.
4. The universal tool for removing and installing insulator locking pins as described in claim 3, characterized in that: The trigger system of the drive module includes a second motor (36), the output end of which is fixedly connected to a third transmission screw (361), a connecting cylinder (37) is fixedly installed on the third transmission screw (361), and a first trigger (372) and a second trigger (374) are slidably arranged on the connecting cylinder (37).
5. A universal tool for removing and installing insulator locking pins as described in claim 4, characterized in that: The ends of the first trigger (372) and the second trigger (374) are provided with wedge-shaped openings on opposite sides. The baffle (353) abuts against the wedge-shaped openings to squeeze the first trigger (372) and the second trigger (374) to retract toward the inside of the connecting cylinder (37). A tension spring (38) is provided between the first trigger (372) and the bottom of the connecting cylinder (37) and the second trigger (374).
6. The universal tool for removing and installing insulator locking pins as described in claim 1, characterized in that: The housing (4) and the insulating operating rod (7) are connected by a Phillips head connection structure, which includes a male Phillips head (61) and a female Phillips head (62). The male Phillips head (61) is provided with a plurality of circumferentially distributed Phillips contacts (63), and the female Phillips head (62) is provided with Phillips grooves (64) that match the Phillips contacts (63). The male Phillips head (61) and the female Phillips head (62) are connected by a first bolt (65).
7. A universal tool for removing and installing insulator locking pins as described in claim 1, characterized in that: The universal pin remover (1) and the slide bar (2) are detachably connected by a small plug square head (51) and a large plug square head (52), and are fixed by a second bolt (53); the mating structure of the small plug square head (51) and the large plug square head (52) allows the universal pin remover (1) to switch the installation direction in the horizontal / vertical direction.