CN113246063A - Clamping device for replacing operation of suspension insulator - Google Patents

Abstract

The invention discloses a clamping device for replacement of a suspension insulator, which belongs to the technical field of maintenance of electric power facilities and comprises a transverse moving component, a clamping component, a connecting shackle and a device shell, wherein the transverse moving component, the clamping component and the connecting shackle are all arranged on the device shell, the transverse moving component is arranged on the upper end surface of the device shell, the clamping components are symmetrically arranged on the lower end surface of the device shell, and the connecting shackle is symmetrically arranged on two sides of the device shell. The suspension insulator string unloading device is driven by the stepping motor, the trapezoidal lead screw is connected and driven, the freedom degree requirements of various structures can be met, the suspension insulator string unloading device has good self-locking performance, the suspension insulator string unloading device can efficiently and reliably complete the unloading task of the insulator string by applying pulling force to the suspension insulator clamping device, the automation degree is high, the operation is simple, the manual operation risk is reduced, and the suspension insulator string unloading device is worthy of being popularized and used.

Description

Clamping device for replacing operation of suspension insulator

Technical Field

The invention relates to the technical field of maintenance of power facilities, in particular to a clamping device for replacement operation of a suspension insulator.

Background

The usage amount of the suspension insulator string in the transformer substation is large, the suspension insulator string is in an open environment for a long time, and under the influence of environmental factors such as wind, sunlight and the like, the internal stress of the insulator is unbalanced, so that the low-zero value of the insulator is damaged to the structure, and the damage defects of the suspension insulator string in the transformer substation are increased day by day.

At present, a special replacing tool suitable for a suspension insulator string in a station is not available, when the suspension insulator string is replaced in the station, the suspension insulator string can only be replaced by a traditional method, even if a conductor and a wire clamp are pulled by a chain block, the suspension insulator string is in an unstressed state, and then a damaged insulator is disassembled and a new insulator is installed. Therefore, a clamping device for replacing suspension insulators is provided.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: how to solve the problem that no special replacing tool suitable for the suspension insulator string in the station exists at present, and provides a clamping device for replacing suspension insulators.

The invention solves the technical problems through the following technical scheme, and the device comprises a transverse moving component, a clamping component, a connecting shackle and a device shell, wherein the transverse moving component, the clamping component and the connecting shackle are all arranged on the device shell, the transverse moving component is arranged on the upper end surface of the device shell, the clamping components are symmetrically arranged on the lower end surface of the device shell, and the connecting shackle is symmetrically arranged on two sides of the device shell.

Further, the lateral shifting subassembly includes step motor, the trapezoidal lead screw of forward, reverse trapezoidal lead screw, two slider connecting rods, step motor the trapezoidal lead screw of forward reverse trapezoidal lead screw all with device casing connects, step motor pass through the shaft coupling respectively with the trapezoidal lead screw of forward trapezoidal lead screw reverse trapezoidal screw connection, two slider connecting rods respectively through two trapezoidal screw nut with the trapezoidal lead screw of forward trapezoidal lead screw reverse trapezoidal screw connection, two press from both sides tight slider symmetry and set up on two slider connecting rods.

Furthermore, the transverse moving assembly further comprises a motor cover and two self-aligning roller bearings, wherein the two self-aligning roller bearings are respectively arranged at two ends of the motor cover and are respectively in rotating connection with the forward trapezoidal lead screw and the reverse trapezoidal lead screw.

Furthermore, the transverse moving assembly further comprises two deep groove ball bearing seats which are respectively arranged on the forward trapezoidal lead screw and the reverse trapezoidal lead screw and connected with the device shell.

Furthermore, the clamping assembly comprises two clamping sliding blocks and an inner cavity, the inner cavity is formed in the device shell and the clamping sliding blocks, the inner cavity comprises two symmetrically-arranged clamping sliding block replacing inner cavities and a shell inner cavity, and the two symmetrically-arranged clamping sliding block replacing inner cavities and the shell inner cavity are combined to form a complete circle envelope.

Furthermore, the clamping assembly further comprises a clamping slide block positioning block and a clamping slide block positioning groove, the clamping slide block positioning block is arranged on any one of the clamping slide blocks, the clamping slide block positioning groove is arranged on the other clamping slide block, and the clamping slide block positioning block and the clamping slide block positioning groove are matched in shape.

Furthermore, the inner cavity of the shell and the inner cavity of the clamping slide block are installed and fixed in a matched mode through slotted holes.

Furthermore, the device shell is provided with a slide block connecting rod guide groove, a bearing flange spigot, a motor flange spigot and a replacement inner cavity slotted hole, the slide block connecting rod guide groove is arranged on two sides inside the device shell, the bearing flange spigot and the motor flange spigot are arranged on the upper end face of the device shell, and the replacement inner cavity slotted hole is arranged in the middle of the lower end face of the device shell.

Furthermore, at least one weight-reducing groove for reducing weight is arranged on the device shell.

Compared with the prior art, the invention has the following advantages: the clamping device for replacing the suspension insulator is driven by the stepping motor, the trapezoidal lead screw is connected and driven, tension is applied to the suspension insulator clamping device, the unloading task of the insulator string can be efficiently and reliably completed, and the clamping device is worthy of being popularized and used.

Drawings

Fig. 1 is a schematic view of the internal structure of a suspension insulator unloading apparatus according to an embodiment of the present invention;

fig. 2 is a general schematic view of a suspension insulator unloading apparatus in an embodiment of the invention;

fig. 3 is a schematic view of the general structure of a suspension insulator clamping device in an embodiment of the invention;

fig. 4 is a schematic view of the internal structure of the suspension insulator clamping device in the embodiment of the present invention;

fig. 5 is a schematic structural view of a body of a suspension insulator clamping device in an embodiment of the present invention;

FIG. 6 is a schematic view of the interior cavity of the body of the suspension insulator clamping device in an embodiment of the present invention;

fig. 7 is a schematic view of the general structure of a suspension insulator rotating apparatus according to an embodiment of the present invention;

fig. 8 is a schematic structural view of an electric jaw assembly of a suspension insulator rotating device in an embodiment of the invention;

fig. 9 is a schematic view of the general structure of a suspension insulator adjustment and promotion device according to an embodiment of the present invention;

fig. 10 is a schematic view of an axial adjustment assembly of a suspension insulator adjustment push pin assembly in accordance with an embodiment of the present invention;

FIG. 11 is a schematic view of the telescoping assembly and push pin assembly of the suspension insulator adjustment push pin assembly of the present invention;

FIG. 12 is a partial cross-sectional view of a suspension insulator adjustment push pin assembly in accordance with an embodiment of the present invention;

fig. 13 is a schematic view of the general structure of a suspension insulator pin pressing device according to an embodiment of the present invention;

fig. 14 is a schematic structural view of a suspension insulator press pin device press pin assembly in an embodiment of the present invention;

fig. 15 is a schematic structural diagram of a pin locking assembly of a suspension insulator pin pressing device according to an embodiment of the invention.

FIG. 16 is a schematic view of the overall installation of a suspension insulator task replacement work package in accordance with an embodiment of the present invention;

fig. 17 is a schematic view of the mounting of the suspension insulator gripping device in an embodiment of the invention;

fig. 18 is a schematic view of the installation of a suspension insulator unloading apparatus in an embodiment of the invention;

fig. 19 is a schematic view of the installation of the suspension insulator adjustment push pin assembly in accordance with an embodiment of the present invention;

fig. 20 is a schematic view of the installation of the suspension insulator pinning unit in an embodiment of the present invention;

fig. 21 is a schematic view of the matching of the inner cavity of the clamping device main body and the suspension insulator string in the embodiment of the invention.

In the figure: 11. a guide housing; 12. a bidirectional screw shaft; 13. a bearing end cap; 14. a tapered roller bearing; 15. a gear reduction box; 16. a bull gear; 17. a feed screw nut; 18. connecting a lifting hook; 19. a pinion gear; 110. an unloader stepper motor; 111. unloading the device body; 112. adjusting a hanging groove of a pushing pin device; 113. a pin pressing device is hung in the groove; 21. a stepping motor adapter flange; 22. a motor cover; 23. a clamping device stepper motor; 24. a clamping device stepping motor coupler; 25. a deep groove ball bearing seat; 26. a trapezoidal lead screw nut; 27. a forward trapezoidal lead screw; 28. an aligning roller bearing end cover; 29. a clamping device body; 210. a dovetail groove guide rail; 211. clamping the sliding block; 212. clamping a slide block positioning block; 213. the clamping slide block is used for replacing the inner cavity; 214. connecting a shackle; 215. an inner cavity of the clamping device main body; 216. a reverse trapezoidal lead screw; 217. a self-aligning roller bearing; 218. a slider connecting rod; 219. a slider connecting rod guide groove; 220. a bearing flange spigot; 221. a flange spigot of the motor; 222. a weight reduction groove; 223. replacing the inner cavity slotted hole; 224. a shackle through hole; 225. a bearing bore; 226. the front clamping device main body inner cavity; 227. the inner cavity of the rear clamping device main body; 31. a rotary device stepper motor; 32. a rotating device body; 33. a drive gear; 34. a gear circular rail; 35. an electrically powered jaw assembly; 36. supporting a guide wheel; 37. a clamping jaw adapter flange; 38. a clamping jaw steering engine; 39. a right jaw body; 310. a jaw drive gear; 311. a rudder case; 312. a jaw driven gear; 313. a left paw body; 314. a clamping jaw rubber head; 41. positioning the clamping jaw supporting rod; 42. positioning the clamping jaw; 43. a push pin guide base; 44. a push-pin tongue; 45. a push pin motor; 46. a linear guide rail adapter flange; 47. a linear guide rail; 48. clamping and positioning the motor; 49. a coupling; 410. a bearing seat; 411. a rotating shaft; 412. a rotating shaft adapter flange; 413. a telescopic electric push rod; 414. a synchronous pulley; 415. a screw nut slider; 416. a bidirectional screw rod; 417. a support base; 418. an axis adjustment electric rod; 419. a bolt bearing hook; 420. a screw rod bearing seat; 421. a linear guide slider; 422. a hinged seat; 423. a push pin shaft; 424. angular contact ball bearings; 425. a push pin fixing base; 51. a pin pressing device main body support rod; 52. a pin pressing device stepping motor; 53. a press pin bracket; 54. a synchronous pulley; 55. pressing pin bearing seats; 56. a screw shaft; 57. a linear bearing; 58. pressing a pin block; 59. a guide shaft; 510. a chute shaft; 511. a chute connecting rod; 512. a pin shaft hanging groove; 513. a pin shaft; 514. locking a steering engine; 515. a pin guide rail bracket; 1. an unloading device; 2. a clamping device; 3. a rotating device; 4. adjusting the pushing pin device; 5. a pin pressing device; 6. a mechanical arm quick interface; 7. a suspension insulator string.

Detailed Description

The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.

The embodiment provides a technical scheme: a suspension insulator operation replacement tool bag comprises a suspension insulator clamping device, a suspension insulator unloading device, a suspension insulator rotating device, a suspension insulator adjusting and pushing device and a suspension insulator press pin device;

the suspension insulator clamping device is used for clamping an insulator iron cap and bearing the tension of an insulator string to complete the task of clamping the insulator string;

the suspension insulator unloading device is used for applying tension to the suspension insulator clamping device to complete the unloading task of the insulator string;

the suspension insulator rotating device is used for clamping the skirt edge of the insulator to finish the alignment task of the pin opening of the suspension insulator sheet;

the suspension insulator adjusting and pushing device is used for adjusting the axis of the suspension insulator so as to complete the task of pushing the W-shaped iron pin;

and the suspension insulator pin pressing device is connected to the suspension insulator unloading device and is used for finishing the task of pin pressing of the suspension insulator.

The following describes in detail the respective parts of the suspension insulator operation replacement kit according to the present embodiment:

as shown in fig. 1, which is a schematic view of an internal structure of a suspension insulator unloading device, in this embodiment, the suspension insulator unloading device includes an unloading device lateral movement assembly, an unloading device deceleration transmission assembly, an unloading device body, a connection hook, and a connection hanging groove.

The unloading device transverse moving assembly comprises a guide shell 11, a bidirectional screw shaft 12, a screw nut 17 and a tapered roller bearing 14; one side of the guide shell 11 is fixedly arranged on the unloading device main body 111 (one guide shell 11 is arranged on each of two sides, one side of the guide shell 11 is fixedly arranged on the unloading device main body 111, the other side of the guide shell is shown in the figure but not marked and is fixed on the reduction gearbox 15), and the other side of the guide shell 11 is fixedly arranged on the gear reduction gearbox 15; the bidirectional spindle shaft 12 is connected to a spindle nut 17, which spindle nut 17 can be moved linearly in the guide housing 11. (the feed screw nut 17 has one on each of the left and right sides, and the other is shown in the figure but not labeled)

The unloading device speed reduction transmission component comprises an unloading device stepping motor 110, a gear reduction box 15, a large gear 16 and a small gear 19; the unloading device stepping motor 110 and the gear reducer 15 are fixedly arranged on the unloading device main body 111; the large gear 16 is fixedly connected with the bidirectional screw shaft 12; the pinion 19 is connected to the output shaft of the unloader stepping motor 110. The connecting hook 18 is connected with the lead screw nuts 17 on two sides. The connecting hanging groove is fixedly arranged on the unloading device main body.

The unloading device transverse moving assembly is used for realizing transverse movement of the two ends of the unloading device connected with the lifting hooks 18 and completing unloading and loading tasks of tension borne by the suspension insulator; the unloading device speed reduction transmission assembly is used for reducing the rotating speed of the motor and increasing the torque of the motor; the unloading device main body 111 is used for arranging and installing each component; (the unloading device is connected with the hook 18 and the connecting shackle 214 of the clamping device), and the unloading device and the clamping device of the suspension insulator jointly act to complete the unloading task of the suspension insulator; the connecting hanging groove is used for connecting the suspension insulator adjusting and pushing device and the suspension insulator pressing and pinning device to respectively complete pushing and pinning work of the suspension insulator.

The unloading device speed reduction transmission assembly is driven by an unloading device stepping motor 110, an output shaft of the motor is connected with a small gear 19 to drive the small gear 19 to rotate, the small gear 19 is in meshing transmission with a large gear 16 to complete the function of reducing speed and increasing torque, the large gear 16 is fixedly connected with a bidirectional screw shaft 12 to drive the bidirectional screw shaft 12 to rotate, and the two sides of the bidirectional screw shaft are connected with a screw nut 17 to drive lifting hooks 18 to move in a linear mode in the opposite direction or in the back direction, so that the task of unloading or loading the suspension insulator is completed.

As shown in fig. 2, fig. 2 is a general schematic view of a suspension insulator unloading device. The connecting hanging groove (comprising an adjusting pushing pin device hanging groove 112 and a pressing pin device hanging groove 113) is fixedly arranged on the unloading device main body 111. The adjusting and pushing pin device hanging groove 112 is fixedly arranged on the outer side of the unloading device main body 111, and the front and the rear of the adjusting and pushing pin device hanging groove are respectively suitable for installation of suspension insulator adjusting and pushing pin devices at different pushing pin positions; the press pin device hanging groove 113 is fixedly arranged at the inner side of the unloading device, and the front and the rear parts are respectively suitable for the installation of the suspension insulator press pin devices at different press pin positions.

As shown in fig. 3 and 4, fig. 3 is a schematic diagram of the general structure of the suspension insulator clamping device, and fig. 4 is a schematic diagram of the internal structure of the suspension insulator clamping device; the suspension insulator gripping device includes a gripping device lateral movement assembly, a gripping assembly, a connecting shackle 214, and a gripping device body 29.

The clamping device lateral movement assembly, the clamping assembly and the attachment shackle 214 are fixedly disposed on the clamping device body 29. The clamping device transverse moving assembly is arranged on the upper end surface of the clamping device main body 29; the clamping components are symmetrically arranged on the lower end surface of the clamping device main body 29; the attachment hooks 214 are symmetrically disposed on both sides of the clamp body 29.

The clamping device transverse moving assembly is used for clamping and releasing the insulator sheet by the clamping assembly; the clamping assembly is used for clamping and fixing the iron cap part of the insulator sheet; the connecting shackle 214 is connected to the connecting hook 18 of the suspension insulator unloading device, and cooperates with the main body 29 of the clamping device (the suspension insulator unloading device and the suspension insulator clamping device cooperate to mean that when the insulator unloading task is completed, the suspension insulator clamping device is mainly used for clamping insulators adjacent to two sides of the insulator to be unloaded, an inner cavity of the clamping device, namely an inner cavity 215 of the main body of the clamping device, clamps an iron cap of the insulator and provides a stress point for the suspension insulator unloading device, the suspension insulator unloading device is connected with the suspension insulator clamping device, the bidirectional screw shaft 12 rotates to complete the unloading action, the insulators on two sides are pulled through the clamping device, and the tensile force on the suspension insulator string is borne), and the unloading force is borne; a clamping device body 29 for fixedly mounting the respective components and the like.

The clamping device transverse moving assembly is driven by a clamping device stepping motor 23, the forward trapezoidal lead screw 27 and the reverse trapezoidal lead screw 216 on two sides are driven to rotate by connecting the two-side clamping device stepping motor shaft couplers 24, the forward trapezoidal lead screw 27 and the reverse trapezoidal lead screw 216 are fixed with the trapezoidal lead screw nut 26 to drive the transverse moving of the two-side slider connecting rod 218, the opposite movement or the opposite movement of the clamping slider 211 is realized, and the task of clamping or loosening the insulator sheet is completed.

The clamping assembly is secured to the slider connecting rod 218 to complete the clamping of the insulator sheet by operation of the clamping assembly lateral movement assembly.

The clamping assembly comprises a clamping slide block 211, a clamping slide block positioning block 212 and an inner cavity, the inner cavity is connected with the clamping device main body 29, the clamping slide blocks 211 on the two sides are positioned through the clamping slide block positioning blocks 212, and the clamping slide blocks 211 are connected with a slide block connecting rod 218.

As shown in fig. 5, fig. 5 is a schematic structural view of a main body of the suspension insulator clamping device; the insulator clamping device main body 29 comprises a slide block connecting rod guide groove 219, a bearing flange spigot 220, a motor flange spigot 221, a weight reduction groove 222, a replacement inner cavity groove hole 223, a shackle through hole 224 and a bearing hole 225.

Slider link guide grooves 219 are provided on both sides inside the clamp body 29 to restrict the trapezoidal lead screw nut 26 from rotating and to guide the slider link 218; the bearing flange spigot 220 and the motor flange spigot 221 are arranged on the upper end surface of the clamping device main body 29 so as to install and fix the clamping device stepping motor 23 and the deep groove ball bearing seat 25; the lightening grooves 222 are arranged on two sides of the stepped hole of the clamping device body 29 to lighten the overall weight of the device; the replacement inner cavity slot 223 is processed and arranged on the middle lower end surface of the clamping device main body 29 so as to process a step-shaped semicircular hole to finish the installation of the clamping device main body inner cavity 215. Shackle through holes 224 are machined in both sides of the clamp body 9 for mounting the connecting shackle 214; bearing holes 225 are machined in both sides of the upper portion of the fixture body 29 to mount the self-aligning roller bearings 217.

As shown in fig. 4 and 6, fig. 4 is a schematic view of the internal structure of the suspension insulator clamping device, fig. 6 is a schematic view of the internal cavity of the suspension insulator clamping device body, and the internal cavity of the clamping assembly includes an internal cavity 215 of the clamping device body and two clamping slider replacing internal cavities 213; the clamp body cavity 215 is fixedly disposed on the clamp body 29; the clamping slide replacement cavity 213 is fixedly arranged on the clamping slide 211.

The inner cavity of the clamping assembly is of a three-section structure to form a complete circular envelope and comprises two clamping slide block replacement inner cavities 213 which are bilaterally symmetrical and a clamping device main body inner cavity 215 (comprising a front clamping device main body inner cavity 226 and a rear clamping device main body inner cavity 227); the inner cavity 215 of the main body of the clamping device and the replacement inner cavity 213 of the clamping slide block are matched and installed fixedly through the slotted holes, so that the replacement can be simple, the adaptability of the insulator clamping device is improved, the operation requirements of insulators of different models and specifications are met, meanwhile, the clamping inner cavity which works for a long time can be conveniently replaced, and the cost is reduced.

As shown in fig. 7, fig. 7 is a schematic view of the general structure of the suspension insulator rotating device; the suspension insulator rotation device includes a rotational movement assembly, a motorized jaw assembly 35, and a rotation device body 32.

The rotary motion assembly is fixedly arranged on the rotary device body 32; a motorized jaw assembly 35 is fixedly mounted to the rotary motion assembly.

The rotary motion component is used for providing power for the whole device and driving the electric clamping jaw component 35 to complete rotary motion; the electric clamping jaw assembly 35 is used for clamping the skirt edge of the suspension insulator sheet to finish the alignment work of the pin opening of the suspension insulator sheet. The rotating device body 32 is used to fixedly mount each component.

The rotary motion assembly is driven by a rotary device stepping motor 31 to control the rotary motion of a driving gear 33, the driving gear 33 is in meshing transmission with a gear circular rail 34, the gear circular rail 34 rotates along a specified circular track under the action of a supporting guide wheel 36 (a circular rail guide groove matched with the gear circular rail 34 in size and shape is arranged inside a rotary device body 32), an electric clamping jaw assembly 35 is fixed on the side edge of the gear circular rail 34 through a clamping jaw adapter flange 37, and the rotary alignment work of a pin opening of a suspension insulator is completed along with the rotation of the gear circular rail 34.

As shown in fig. 8, fig. 8 is a schematic structural view of an electric clamping jaw assembly of a suspension insulator rotating device; the insulator rotating device electric clamping jaw assembly 35 comprises a clamping jaw steering gear 38, a right clamping jaw body 39, a clamping jaw driving gear 310, a steering gear box 311, a clamping jaw driven gear 312, a left clamping jaw body 313 and a clamping jaw rubber head 314.

The clamping jaw steering gear 38 is fixedly arranged in the steering gear box 311 and is connected with the right jaw body 39; the right claw body 39 is connected with the clamping jaw steering engine 38 through a steering engine output flange and is connected with the left claw body 313 through gear engagement; the clamping jaw driving gear 310 is connected with an output shaft of the clamping jaw steering gear 38 and drives the right jaw body 39 to rotate together; the clamping jaw driven gear 312 is in meshing transmission with the clamping jaw driving gear 310 to drive the left jaw body 313 to rotate; the jaw rubber heads 314 are fixed to the left and right jaw bodies 39 to increase the friction against the surface of the insulator sheet during clamping.

The suspension insulator rotating device electric clamping jaw assembly 35 is driven by a clamping jaw steering engine 38, an output flange of the clamping jaw steering engine 38 is fixedly connected with a right jaw body 39, and a left jaw body 313 and the right jaw body 39 are meshed through gears to ensure synchronous rotating motion of the two jaw bodies, so that the clamping jaw steering engine 38 drives the left jaw body and the right jaw body to rotate, and clamping and loosening actions on suspension insulator pieces are completed. The gripper rubber heads 314 are attached to the left and right ends of the rotating device body 32, and increase the friction force against the surface of the suspended insulator sheet during clamping.

As shown in fig. 9, fig. 9 is a schematic view of the general structure of the suspension insulator adjustment pushing pin device; the suspension insulator adjustment push pin assembly includes an axis adjustment assembly, a push pin assembly, a telescoping assembly, and a support base 417.

The axis adjustment assembly and the telescoping assembly are both disposed on the support base 417; the push pin assembly is arranged on the telescopic assembly.

The axis adjusting component is used for adjusting the axis of the suspension insulator sheet to be promoted to enable the suspension insulator sheet to be in a state of conveniently completing a promotion task; the pushing pin assembly is used for completing pushing pin work of the suspension insulator; the telescopic assembly is used for moving the push pin assembly to a proper push pin position; the supporting base is used for installing each component.

As shown in fig. 10, fig. 10 is a schematic view of an axis adjustment assembly of the suspension insulator adjustment push pin device; the axis adjusting assembly comprises a positioning clamping jaw supporting rod 41, a positioning clamping jaw 42, a bidirectional screw rod 416, a bolt bearing hook 419, a clamping and positioning motor 48, a coupler 49, a screw rod nut slider 415, an axis adjusting electric rod 418 and a screw rod bearing seat 420.

The axis adjusting assembly is mainly driven by a clamping and positioning motor 48, drives a bidirectional screw rod 416 to rotate through a coupler 49, further drives a screw rod nut slider 415 on the bidirectional screw rod 416 to do linear motion, two screw rod nut sliders 15 do opposite motion or back motion on screw rod shafts with different rotation directions, and a positioning clamping jaw support rod 41 fixed on the two screw rod nut sliders 415 drives two positioning clamping jaws 42 to do opposite motion or back motion, so that the clamping of the suspended insulator sheet iron cap part is completed, and the support is provided for the axis adjusting work. After the positioning clamping jaw 42 finishes clamping work, the axis adjusting electric rods 418 fixed at the two ends of the supporting base 417 start to work, the bolt bearing hooks 419 fixed on the axis adjusting electric rods 418 at the two ends are connected with the adjusting push pin device hanging groove 112 on the suspension insulator unloading device, support is provided for the whole device, and under the telescopic motion of the axis adjusting electric rods 418, the axis angle adjustment of the suspension insulator is realized by matching the clamping effect of the positioning clamping jaw 42.

As shown in fig. 11, fig. 11 is a schematic structural view of a telescoping assembly and a push pin assembly of the suspension insulator adjustment push pin device; the telescopic assembly comprises a rotating shaft 411, a rotating shaft bearing seat 410, a rotating shaft adapter flange 412, a telescopic electric push rod 413, a linear guide rail adapter flange 46, a linear guide rail 47 and a linear guide rail sliding block 421.

The telescopic electric push rod 413 is connected with the rotating shaft bearing seat 10 through the rotating shaft adapter flange 412 and the rotating shaft 411, the rotating shaft bearing seat 410 is fixed on the side surface of the screw nut sliding block 415, the extending shaft end of the telescopic electric push rod 413 is hinged and connected with the pushing pin assembly fixing base 425 through the hinge seat 422, the pushing pin guide base 43 is connected with the linear guide rail 47 through the linear guide rail adapter flange 46, the linear guide rail sliding block 421 is fixed on the side surface of the positioning clamping jaw supporting rod 41, and the linear guide rail 47 and the linear guide rail sliding block 421 are assembled together. When the pushing pin machine works, the extending shaft of the telescopic electric push rod 413 extends outwards, pushing force is applied to the pushing pin guide base 43 through hinged connection, the pushing pin assembly moves linearly along the direction of the linear guide rail 47 under the action of the guide rail, and the pushing pin assembly starts to push the pins after being pushed to the pin opening position of the insulator piece.

Fig. 12 is a partial cross-sectional view of the suspension insulator adjustment push pin assembly, as shown in fig. 12; the push pin assembly includes a push pin motor 45, a push pin shaft 423, a push pin guide base 43, a hinge mount 422, a timing pulley 414, a push pin mount base 425, an angular contact ball bearing 424, and a push pin tongue 44.

The hinging seat 422 is arranged on the pushing pin fixing base 425 and is hinged with the extending shaft of the telescopic electric push rod 413, the pushing pin fixing base 425 is fixedly connected with the pushing pin guide base 43, the pushing pin motor 45 is fixed on the surface of the pushing pin fixing base 425 and is connected with a pushing pin screw shaft 423 through a synchronous pulley 414 and a synchronous belt, the pushing pin screw shaft 423 is fixed in a bearing hole of the pushing pin fixing base 425 through an angular contact ball bearing, and the pushing pin tongue 44 is connected with the pushing pin screw shaft 423 through thread fit and is arranged in a guide groove of the pushing pin guide base 43. When the push pin pushing mechanism works, the push pin motor 45 works, the push pin screw shaft 423 is driven to rotate through the synchronous belt, the push pin tongue 44 is driven to stretch out and move and stretch into the pin hole of the insulator piece, the W-shaped iron pin is pushed out, and therefore the function of pushing out the iron pin is achieved.

As shown in fig. 13, fig. 13 is a schematic view of the general structure of the suspension insulator pin pressing device; the suspension insulator pin pressing device comprises a pin pressing device main body supporting rod 51, a pin pressing assembly and a pin shaft locking assembly.

The pin pressing assembly is used for pressing the suspension insulator W-shaped iron pin; and the pin shaft locking assembly is used for fixing the suspension insulator pin pressing device on the suspension insulator unloading device to provide support. The pressing pin assembly and the pin shaft locking assembly are both fixedly arranged on the pressing pin device main body supporting rod 51. The press pin assembly is fixedly arranged in the middle of the upper end surface of the main body support rod 51 of the press pin device; the pin shaft locking door modules are symmetrically arranged on the left side surface and the right side surface of the main body supporting rod 51 of the pin pressing device.

During operation, the pin shaft locking assembly is firstly locked with the pin shaft hanging groove, then the pin pressing assembly works to press down the W-shaped iron pin pushed out by the suspension insulator, and after a task is finished, the pin shaft locking assembly is released, and the pin pressing device is taken down.

As shown in fig. 14, fig. 14 is a schematic structural view of a press pin assembly of the suspension insulator press pin device; the insulator pin pressing device pin pressing assembly comprises a pin pressing device stepping motor 52, a pin pressing bracket 53, a synchronous pulley 54, a pin pressing bearing seat 55, a screw shaft 56, a linear bearing 57, a pin pressing block 58 and a guide shaft 59.

The pin pressing device stepping motor 52 is fixedly arranged on the pin pressing bracket 53 through a bolt, and the output shaft of the motor is connected with the synchronous belt pulley 54 to drive the synchronous belt pulley 54 to rotate; the synchronous belt pulley 54 comprises a large belt pulley and a small belt pulley, the small belt pulley is connected with the pin pressing device stepping motor 52 and drives the large belt pulley through the synchronous belt, and the large belt pulley is connected with the screw rod shaft 56 and drives the screw rod shaft 56 to rotate; the press pin bearing seat 55 is fixedly connected with the press pin bracket 53; the linear bearing 57 is mounted in the press pin bearing housing 55; the pressure pin block 58 is provided with a screw rod nut which is connected with the screw rod shaft 56, and under the action of the guide shaft 59, the linear motion is carried out through the rotary motion of the screw rod shaft 56, so that the pressure pin action is completed; the screw shaft 56 and the guide shaft 59 are both provided on the press pin bracket 53.

The suspension insulator pin pressing device pin pressing component is driven by a stepping motor 52, the stepping motor 52 is fixed on a pin pressing bracket 53 and is connected with a screw shaft 56 through the meshing of a synchronous pulley 54 and a synchronous belt, and a pin pressing bearing seat 55 is fixed at one end of the pin pressing bracket 53 through a bolt. The screw shaft 56 is mounted in bearing holes 55 of the press pin bracket 53 and the press pin bearing seat through angular contact ball bearings to form a two-end supporting mode. The guide shaft 59 is installed in a guide shaft hole between the press pin support 53 and the press pin bearing seat 55, the press pin block 58 is provided with a linear bearing 57 and a lead screw nut, the motion track of the press pin block 58 is limited through the matching of the guide shaft 59 and the linear bearing 57, and a screw transmission structure is formed through the threaded matching of the lead screw nut and the lead screw shaft 56, so that the function that the lead screw shaft rotates to drive the press pin block 58 to move up and down along the guide shaft 59 is realized.

As shown in fig. 15, fig. 15 is a schematic structural view of a pin locking assembly of the suspension insulator pin pressing device; the pin shaft locking component of the insulator pin pressing device comprises a sliding groove shaft 510, a sliding groove connecting rod 511, a pin shaft hanging groove 512, a pin shaft 513, a locking steering engine 514 and a pin shaft guide rail bracket 515.

The pin shaft guide rail support 515 is fixed at the end part of the main body support rod 51 of the pin pressing device, the locking steering engine 514 is installed in the pin shaft guide rail support 515, the output shaft is fixedly connected with the sliding groove connecting rod 511 through a steering engine adapter flange, the pin shaft 513 is arranged in a pin hole of the pin shaft guide rail support 515, one end of the sliding groove shaft 510 is fixedly connected with the end part of the pin shaft 513, the other end of the sliding groove shaft is arranged in a sliding groove of the sliding groove connecting rod 511, the sliding groove shaft 210 can freely slide in the sliding groove of the sliding groove connecting rod 511, a connecting rod tangent mechanism is formed, and the functions of locking the steering engine 514 and driving the pin shaft 513 to stretch and retract are realized. The contact surfaces of the pin shaft guide rail support 515 and the pin shaft hanging groove 512 (namely the pin pressing device hanging groove 113 on the unloading device) are provided with a plurality of inclined surfaces, when the device works, the pin shaft guide rail support 515 is placed on the pin shaft hanging groove 512, the device is positioned by contacting with the inclined surfaces of the pin shaft hanging groove 512, then the steering engine 514 is locked to run, the pin shaft 513 is inserted into a pin hole of the pin shaft hanging groove 512 through the connecting rod tangent principle, and the locking and fixing of the pin pressing device are completed.

As shown in FIGS. 16-20, the working principle is as follows: and (3) finishing the insulator replacement operation: (all the devices are provided with mechanical arm quick interfaces 6, the mechanical arm quick interfaces 6 of all the devices are firstly connected with the mechanical arms, and the mechanical arm quick interfaces 6 in the embodiment adopt the design scheme of the applicant in the prior application (application number is 202011083089.4, named as a mechanical arm tail end execution device quick automatic interface device)) in the first step, a front clamping device 2 and a rear clamping device 2 (clamping slide blocks 211 are completely loosened) are arranged on the designated insulator caps on the suspension insulator string 7, and the clamping device stepping motors 23 work to complete the clamping task; secondly, two unloading devices 1 are connected and arranged on the clamping device 2 side by side through a connecting shackle 214 connecting the lifting hook 18 and the clamping device 2, the unloading device stepping motor 110 works and moves to a pushing work position (the unloading degree is the amount of the unloading degree, when the pushing work is finished, only the unloaded insulator piece can be ensured to rotate and adjust the axis, and meanwhile, the unloaded insulator piece can not fall off), the tension on two sides of the insulator piece to be unloaded is jointly born by the clamping device 2 and the unloading device 1, and the insulator piece can move (rotating and axis adjusting movement) after the unloading task is finished; thirdly, under the action of gravity, the axis of the unloaded insulator becomes non-horizontal, and the pushing work is difficult to finish at the moment, so that the adjusting pushing device 4 is connected with the unloading devices 1 arranged side by side through the adjusting pushing device hanging groove 112, firstly, the axis adjusting component works, the clamping and positioning motor 48 moves to drive the positioning clamping jaw 42 to clamp the insulator iron cap part to be unloaded, then, the axis adjusting electric rod 418 works to match the clamping effect of the positioning clamping jaw 42, and the adjustment of the axis angle of the insulator is finished; fourthly, after the axis adjustment is completed, the electric clamping jaw assembly 35 of the rotating device 3 clamps the skirt of the insulator to be unloaded (by a mechanical arm), the stepping motor 31 of the rotating device is operated to rotationally align the unloaded insulator piece to align the pin opening with the working area of the push pin assembly of the adjustment push pin device 4, then the telescopic assembly and the push pin assembly of the adjustment push pin device 4 are operated, the telescopic assembly is operated to move the push pin assembly to a proper working position, then the push pin assembly is operated to complete the push pin operation of the insulated piece, because the unloaded insulator is fixed by two W-shaped pins, the adjustment push pin device 4 is changed to another working position (by the mechanical arm) (the adjustment push pin device hanging groove 112 and the press pin device hanging groove 113 on the unloading device 1 which are arranged side by side are both provided with two different working positions, in order to complete the pushing and pressing work of the two pin openings), the above process is repeated, and the pushing work of the insulator at the position is completed. Fifthly, after the pushing work at two positions is finished, the unloading device 1 starts to work, moves to a complete unloading state (at the moment, the unloaded insulator bowl head iron cap and the unloaded insulator bowl head steel foot can be taken out from the connected iron cap and steel foot), adjusts the pushing device 4 to work, adjusts the axis to a position convenient to replace (the axis slightly inclines downwards), and takes down the insulator piece to be replaced (through a mechanical arm); sixthly, installing a new insulator sheet, adjusting the pushing pin device 4 to work, completing the task of adjusting the axis of the insulator, and enabling the axis of the new insulator sheet to be horizontal; seventhly, the rotating device 3 works to enable the new insulator to be in a pin pressing state with a downward pin opening and an upward iron pin; eighthly, fixing the pin pressing device 5 on the unloading device 1 through the pin pressing device hanging grooves 113 on the unloading device 1 which are arranged side by side, locking a pin shaft locking assembly of the pin pressing device 5, enabling the pin pressing device 5 to work, pressing the W-shaped pin into the pin hole by the pin pressing assembly, replacing the working position of the pin pressing device 5, and pressing the other W pin; ninth, the unloading device 1 works reversely to release the unloading state of the insulator, and the newly replaced insulator is fixed on the whole suspension insulator string 7; and step ten, working each device to an initial state, taking down and powering off, and finally completing the task of replacing the insulator piece.

To sum up, according to the suspension insulator operation replacement tool kit of the embodiment, the suspension insulator unloading device is driven by the stepping motor, and the trapezoidal lead screw is in connection transmission, so that the requirement on the degree of freedom of each structure can be met, the suspension insulator operation replacement tool kit has good self-locking performance, a tensile force is applied to the suspension insulator clamping device in the work process, the unloading task of an insulator string can be efficiently and reliably completed, the automation degree is high, the operation is simple, and the manual operation risk is reduced; the suspension insulator clamping device is driven by the stepping motor, and the trapezoidal lead screw is connected for transmission, so that the freedom degree requirements of each structure can be met, the suspension insulator clamping device has good self-locking performance, the insulator iron cap is clamped and the tension of the insulator string is borne in the work process, the clamping task of the insulator string can be efficiently and reliably completed, the automation degree is high, the operation is simple, and the manual operation risk is reduced; the suspension insulator rotating device is driven by the stepping motor, and the gears and the gear circular rails are driven, so that the freedom degree requirements of various structures can be met, the suspension insulator rotating device has good self-locking performance, can realize the clamping function of the insulator skirt edge in work, can efficiently and reliably complete the alignment task of the pin openings of the suspension insulator sheets, has high automation degree and simple operation, and reduces the manual operation risk; the suspension insulator adjusting and pushing device is driven by a stepping motor and an electric push rod, and a trapezoidal lead screw is connected and driven, so that the freedom degree requirements of each structure can be met, the suspension insulator adjusting and pushing device has good self-locking performance, can efficiently and reliably complete the tasks of adjusting the axis of the suspension insulator and pushing out a W-shaped iron pin in work, has high automation degree and simple operation, and reduces the risk of manual operation; the suspension insulator pin pressing device is driven by the stepping motor and the steering engine, can meet the requirement of freedom of each structure, has good self-locking performance, can be locked on the suspension insulator unloading device in work, can efficiently and reliably complete the task of pin pressing of the suspension insulator, has high automation degree, is simple to operate, reduces the risk of manual operation, and is worthy of being popularized and used.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. The utility model provides a clamping device is used in suspension insulator change operation which characterized in that: including lateral shifting subassembly, clamping components, connection shackle and device casing, the lateral shifting subassembly the clamping components reaches the connection shackle all sets up on the device casing, the lateral shifting subassembly sets up device casing up end, the clamping components symmetry sets up terminal surface under the device casing, the connection shackle symmetry sets up device casing both sides.

2. The clamping device for suspension insulator replacement work according to claim 1, characterized in that: the transverse moving assembly comprises a stepping motor, a forward trapezoidal lead screw, a reverse trapezoidal lead screw and two slider connecting rods, the stepping motor is connected with the forward trapezoidal lead screw and the reverse trapezoidal lead screw through the shaft coupling, the two slider connecting rods are respectively connected with the forward trapezoidal lead screw and the reverse trapezoidal lead screw through the two trapezoidal lead screw nuts, and the two clamping sliders are symmetrically arranged on the two slider connecting rods.

3. The clamping device for suspension insulator replacement work according to claim 2, characterized in that: the transverse moving assembly further comprises a motor cover and two self-aligning roller bearings, wherein the two self-aligning roller bearings are arranged at two ends of the motor cover respectively and are connected with the forward trapezoidal lead screw and the reverse trapezoidal lead screw in a rotating mode.

4. The clamping device for suspension insulator replacement work according to claim 3, wherein: the transverse moving assembly further comprises two deep groove ball bearing seats which are respectively arranged on the forward trapezoidal lead screw and the reverse trapezoidal lead screw and connected with the device shell.

5. The clamping device for suspension insulator replacement work according to claim 2, characterized in that: the clamping assembly comprises two clamping sliding blocks and an inner cavity, the inner cavity is formed in the device shell and the clamping sliding blocks, the inner cavity comprises two symmetrically-arranged clamping sliding block replacement inner cavities and a shell inner cavity, and the two symmetrically-arranged clamping sliding block replacement inner cavities and the shell inner cavity are combined to form a complete circle envelope.

6. The clamping device for suspension insulator replacement work according to claim 5, wherein: the clamping assembly further comprises a clamping slide block positioning block and a clamping slide block positioning groove, the clamping slide block positioning block is arranged on any one of the clamping slide blocks, the clamping slide block positioning groove is arranged on the other clamping slide block, and the clamping slide block positioning block and the clamping slide block positioning groove are matched in shape.

7. The clamping device for suspension insulator replacement work according to claim 5, wherein: the inner cavity of the shell and the replacement inner cavity of the clamping slide block are installed and fixed in a matched mode through slotted holes.

8. The clamping device for suspension insulator replacement work according to claim 5, wherein: the device is characterized in that a slider connecting rod guide groove, a bearing flange spigot, a motor flange spigot and a replacement inner cavity groove hole are formed in the device shell, the slider connecting rod guide groove is formed in two sides of the inside of the device shell, the bearing flange spigot and the motor flange spigot are formed in the upper end face of the device shell, and the replacement inner cavity groove hole is formed in the middle of the lower end face of the device shell.

9. The clamping device for suspension insulator replacement work according to claim 8, wherein: at least one weight reduction groove for playing a weight reduction role is arranged on the device shell.

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