Mounting equipment is changed to electric power insulator
Technical Field
The invention relates to the technical field of electric power installation, and particularly provides electric power insulator replacement and installation equipment.
Background
The insulator is a special insulating control and can play an important role in an overhead transmission line, the insulator can be divided into a suspension insulator and a post insulator according to different installation modes, and the post insulator is used in a large number in a transformer substation and is the most common.
The 10kV post insulators used for insulation and supporting in the transformer substation are large in number. The transformer substation is a work of large workload and large labor intensity for the installation of the post insulator, in addition, even after the post insulator is assembled in the transformer substation, along with the increase of the service life of the post insulator, the post insulator is affected by adverse factors such as self manufacturing process defects, outdoor environment moisture, heat, high temperature and the like, the post insulator can have the problems of serious corrosion of a metal connecting piece, damage of an insulator porcelain bottle, failure of a coating and the like, and the post insulator with the fault must be timely replaced irregularly so as to ensure the normal safe and stable operation of a power supply network.
However, in the actual installation process of the post insulator, due to the fact that the post insulator is heavy in weight, the installation positions of the post insulators are high or low, the field environment is complex, faults occur in batches, and the like, the replacement task of the post insulator is heavy, and the work of replacing the post insulator brings about not little challenge to the maintenance work. Maintenance person often need the foot to step on insulating ladder at the in-process of actual installation, and the safety belt is tied to the body, holds mounting tool on one hand, holds up the post insulator on the other hand, develops the change work, and this will certainly lead to maintenance person work fatigue, probably causes the emergence of accident such as personnel, multiplexer utensil and post insulator fall.
Based on the problems, the invention provides a device for replacing and installing an electric insulator.
Disclosure of Invention
In order to solve the above problems, the present invention provides an electrical insulator replacement and installation apparatus, which can solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: an electric power insulator replacement and installation device comprises an elevating mechanism, a mounting frame fixedly mounted on the elevating mechanism, a supporting disc assembly fixedly mounted on the mounting frame and used for supporting a post insulator, and a clamping mechanism slidably mounted on the mounting frame, wherein the vertical section of the mounting frame is U-shaped, the supporting disc assembly is fixedly mounted on the inner end face of the mounting frame, the clamping mechanism comprises a three-sided enclosure frame slidably mounted between two inner side walls of the mounting frame, a second screw vertically rotatably mounted on the side wall of the three-sided enclosure frame, a nut in threaded connection with the second screw, two connecting rods hinged on the nut, two clamping handles and a guide rod horizontally and fixedly mounted between the inner side walls of the three-sided enclosure frame, the central shaft of the second screw coincides with the vertical central plane of the three-sided enclosure frame, two the connecting rod is about No. two screw rod symmetric distribution, every the tip of connecting rod is all articulated to be installed embrace the tong, two embrace the equal slidable mounting of tong on the guide arm and set up relatively, it is located to embrace the tong the guide arm outside part is circular-arc, it is located the vertical evenly distributed in circular-arc place region and has a plurality of armful rollers of rotating the installation to embrace the tong, the roll surface of armful roller is rubber materials, the guide arm is relative No. two the screw rod is perpendicular.
Preferably, the lifting mechanism comprises a movable base, two guide pillars vertically and fixedly mounted on the upper end surface of the base, a lifting platform horizontally and slidably mounted on the two guide pillars, and a first screw rod vertically and rotatably mounted on the base, the two guide pillars are symmetrically distributed on two outer sides of the mounting frame, the first screw rod is in threaded connection with the lifting platform, and the mounting frame is fixedly mounted on the lifting platform.
Preferably, the support disc assembly comprises two guide sleeves fixedly mounted on the inner end face of the mounting frame in parallel, two sliding rods and a support disc fixedly mounted on the two sliding rods, the two sliding rods are correspondingly slidably mounted in the two guide sleeves, and the sliding rods are arranged in parallel relative to the second screw rod.
Preferably, the supporting disk comprises a rotating base fixedly installed on the two sliding rods and a rotating disk rotatably installed on the rotating base, and a blocking edge is arranged on the end face of the rotating disk.
Preferably, the nut is fixedly provided with a reinforcing guide plate which is in sliding connection with the three-side enclosure frame.
Preferably, No. one the screw rod bottom is equipped with the hand wheel, No. two the screw rods are located the tip that the trilateral frame outside that encloses is equipped with the hand wheel No. two.
The technical scheme has the following advantages or beneficial effects:
1. the invention provides a device for replacing and installing a power insulator, which can drive a post insulator to ascend to a higher installation position through a lifting mechanism, and the arranged clamping mechanism can always provide effective protection in the process of installing the post insulator, so that maintenance personnel do not need to actively hold the post insulator and can vacate hands to specially fix the post insulator, the accidental falling of the post insulator is effectively avoided, the operation burden of the maintenance personnel is reduced, and the labor intensity and the danger are reduced.
2. The invention provides an electric insulator replacement and installation device, wherein a rotatable rotating disc is arranged in a supporting disc, a blocking edge structure is arranged on the rotating disc, the blocking edge structure enables the supporting disc to move forwards along with a pushing clamping mechanism when the pushing clamping mechanism is close to an installation platform, the supporting disc can always support the lower end of a post insulator in the movement process, the post insulator can be prevented from falling off, when the supporting disc is close to the installation position, the blocking of the blocking edge can be removed by the rotatable rotating disc, and the operation is very convenient.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a front view of an electrical insulator replacement installation apparatus provided by the present invention;
fig. 2 is a plan view of an electrical insulator replacement installation apparatus provided in the present invention.
In the figure: 1. a lifting mechanism; 11. a base; 12. a guide post; 13. a lifting platform; 14. a first screw rod; 141. a first hand wheel; 2. a mounting frame; 3. a support disc assembly; 31. a guide sleeve; 32. a slide bar; 33. a support disc; 331. rotating the base; 332. rotating the disc; 3321. blocking edges; 4. a clamping mechanism; 41. three sides of the frame; 42. a second screw; 421. a second hand wheel; 43. a nut; 431. reinforcing the guide plate; 44. a connecting rod; 45. clamping a hand; 451. carrying out roller holding; 46. a guide rod.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.
Referring to the attached drawings 1-2, an electric power insulator replacement and installation device comprises an elevating mechanism 1, an installation frame 2 fixedly installed on the elevating mechanism 1, a supporting disk assembly 3 fixedly installed on the installation frame 2 and used for supporting a post insulator, and a clamping mechanism 4 slidably installed on the installation frame 2, wherein the vertical section of the installation frame 2 is U-shaped, the supporting disk assembly 3 is fixedly installed on the inner end face of the installation frame 2, the clamping mechanism 4 comprises a three-side surrounding frame 41 slidably installed between two inner side walls of the installation frame 2, a second screw 42 vertically rotatably installed on the side wall of the three-side surrounding frame 41, a nut 43 in threaded connection with the second screw 42, two connecting rods 44 hinged on the nut 43, two clamping handles 45 and a guide rod 46 horizontally and fixedly installed between the inner side walls of the three-side surrounding frame 41, the central axis of the second screw 42 is overlapped with the vertical central plane of the, and the end part of the second screw rod 42, which is positioned on the outer side of the three-sided surrounding frame 41, is provided with a second hand wheel 421, the two connecting rods 44 are symmetrically distributed about the second screw rod 42, the end part of each connecting rod 44 is hinged with a clamping arm 45, the two clamping arms 45 are slidably mounted on the guide rod 46 and are arranged oppositely, the outer part of each clamping arm 45, which is positioned on the guide rod 46, is arc-shaped, the area of each clamping arm 45, which is positioned on the arc-shaped area, is vertically and uniformly provided with three rotatably mounted clamping rollers 451, the roller surfaces of the clamping rollers 451 are made of rubber materials, and the guide rod 46 is perpendicular. When carrying out the armful clamp to the post insulator, keep two armful clamp hands 45 earlier open, then with the vertical placing on supporting disk 33 of post insulator, No. two hand wheels 421 rotate afterwards, thereby drive nut 43 one side motion of erroneous tendency No. two hand wheels 421 through No. two screw rods 42, then two connecting rods 44 will stimulate articulated armful clamp hand 45 with it separately, make two armful clamp hands 45 slide along guide arm 46 in opposite directions, thereby two armful clamp hands 45 cooperate with clasping the post insulator tightly, when carrying out the fixed mounting of post insulator, accessible armful clamp mechanism 4 clasps the protection, can not need artifical additionally to hold the post insulator, alleviate workman's working strength, the in-process that the post insulator is embraced the clamp, the armful roller 451 that is the rubber material all the time contacts with its surface, can effectively avoid embracing and press from the antifouling flashover coating on post insulator surface that presss from both sides the in-process.
Further, the lifting mechanism 1 comprises a movable base 11, two guide pillars 12 vertically welded and fixedly installed on the upper end face of the base 11, a lifting platform 13 horizontally slidably installed on the two guide pillars 12, and a first screw 14 vertically rotatably installed on the base 11, the two guide pillars 12 are symmetrically distributed on two outer sides of the mounting rack 2, the first screw 14 is in threaded connection with the lifting platform 13, a first hand wheel 141 is arranged at the bottom end of the first screw 14, and the mounting rack 2 is fixedly installed on the lifting platform 13. The lifting mechanism 1 can drive the post insulator to ascend to a mounting position, and particularly, the first hand wheel 141 can be rotated to drive the first screw 14 to drive the lifting platform to vertically ascend and descend.
Further, the support plate assembly 3 includes two guide sleeves 31 welded and fixedly mounted on the inner end face of the mounting bracket 2 in parallel, two sliding rods 32 and a support plate 33 fixedly mounted on the two sliding rods 32, the two sliding rods 32 are slidably mounted in the two guide sleeves 31 correspondingly, the sliding rods 32 are arranged in parallel relative to the second screw rod 42, the support plate 33 includes a rotating base 11 fixedly mounted on the two sliding rods 32 and a rotating plate 332 rotatably mounted on the rotating base 11, and a blocking edge 3321 is provided on the end face of the rotating plate 332. The supporting disk 33 is used for supporting and placing the post insulator, the effect of keeping off along 3321 lies in promoting whole embracing and presss from both sides mechanism 4 along the in-process that mounting bracket 2 slided the mounted position who is close to the post insulator, supporting disk 33 will be along with moving forward, slide bar 32 slides outwards from guide pin bushing 31 promptly, thereby can guarantee to be close to the in-process post insulator of motion and can both effectively support all the time, thereby prevent that the post insulator from dropping, when pressing close to the mounted position, alright rotate rolling disc 332, make and keep off along 3321 not constitute and block, afterwards alright continue to push away post insulator to mounting platform.
Further, a reinforcing guide 431 slidably connected to the three-sided enclosure frame 41 is fixedly attached to the nut 43. The reinforcing guide 431 is used for reinforcing the structure of the nut 43 and improving the movement stability of the nut 43.
The working principle and the working process of the replacement and installation equipment for the electric insulator provided by the invention are as follows:
when carrying out post insulator installation operation, remove this device to post insulator's mounted position, post insulator that will treat the installation afterwards is placed on supporting disk 33, and hold post insulator through embracing and press from both sides mechanism 4 tightly, rise to mounting height through elevating system 1 with post insulator after that, promote whole armful press from both sides mechanism 4 and slide and be close to mounting platform afterwards, and rotate rolling disc 332 when pressing close to mounting platform position, continue to promote immediately and embrace and press from both sides mechanism 4, make post insulator's bottom place on mounting platform, then install post insulator's upper and lower end through the bolt fastening, alright loosen two armful tong 45 after post insulator fixed mounting is good, alright carry out next post insulator's installation afterwards.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.