CN105305300A - Device used for replacing tubular bus support porcelain insulator - Google Patents

Abstract

The invention discloses a device for replacing porcelain bottles of pipe bus bars, which includes a base, a supporting frame, and a fixing frame for fixing the base, wherein a fixing hole is arranged on the base, and a fixing hole is arranged on the fixing frame. There are fixed bolts that can cooperate with the fixing holes, the support frame is composed of an upper support frame and a lower support frame, a climbing device is provided on the lower support frame, and a user For the fixing device for fixing the upper support frame, the top of the upper support frame is in an arc-shaped structure, and a hoisting nose is provided on the top of the upper support frame. The present invention only requires two maintenance personnel in 3 It can be completed within minutes, which not only reduces the power outage time, advances the construction period, but also reduces the workload of workers, saves manpower and material resources and can be applied to other places, greatly improving work efficiency and reducing maintenance. The cost of the power grid has achieved the purpose of reducing staff and increasing efficiency.

Description

A device for replacing the porcelain bottle of the pipe bus bar support

technical field

The invention relates to an electric power maintenance tool, in particular to a device for replacing a porcelain bottle of a pipe bus bar support.

Background technique

In recent years, with the rapid development of power grid construction, ensuring the safe operation of the power grid is the focus of the power company's work. When the torsion resistance of the original busbar support porcelain bottle cannot meet the needs of the power grid, in order to ensure the safe operation of the power grid, it is necessary to The porcelain bottle of the busbar pillar was replaced. However, during the replacement process, the vehicle needed to use 2 to 3 cranes, and more than 20 people had to work continuously for more than half a month to complete the replacement of the porcelain bottle of the busbar pillar in a 220KV station. This not only caused a power outage Long, it brings a lot of inconvenience to users, and because of the high labor intensity, a lot of manpower and material resources are wasted, thus increasing the cost of maintaining the power grid.

Contents of the invention

The technical task of the present invention is to provide a device for replacing the porcelain bottle of the pipe busbar pillar in view of the above deficiencies in the prior art.

The technical solution adopted by the present invention to solve the technical problem is: a device for replacing the porcelain bottle of the pipe busbar pillar, including a base, a support frame, and a fixing frame for fixing the base, wherein the base is provided with The fixing hole is provided with a fixing bolt that can cooperate with the fixing hole on the fixing frame. When installing, the base is fixed on the busbar pillar porcelain bottle structure bracket through the cooperation of the fixing bolt on the fixing frame and the fixing hole. The support frame is composed of an upper support frame and a lower support frame, a climbing device is provided on the lower support frame, a fixing device for fixing the upper support frame is provided on the support frame, and the upper support frame The top of the frame is in an arc-shaped structure, and a hoisting nose is provided on the top of the upper supporting frame. During work, an inverted chain is provided on the hoisted nose, and the hoisting work to the busbar can be completed by the inverted chain.

The upper support frame is composed of a connecting rod and a lifting rod, and a connecting hole is arranged in the axial direction of the lower supporting frame, and the connecting hole is matched with the bottom of the connecting rod. Perforation, a load-bearing rod is provided on the lower support frame, and a positioning groove is provided at the bottom of the connecting rod. When installing, insert the load-bearing rod into one of the perforations, then insert the connecting rod into the connecting hole, and then rotate the connecting rod Make the load-bearing rod cooperate with the positioning groove, thereby fix the connecting rod in the lower support frame, the upper section of the connecting rod is connected with the lifting rod through the connecting mechanism, and the lifting rod can realize 360 degrees of free rotation on the connecting rod through the connecting mechanism , the lifting nose is located at the top of the lifting rod.

The connecting structure is composed of a connecting shaft and a limit sleeve. In order to increase the stability of the lifting rod in the connecting shaft, at least two bearings are arranged in the connecting shaft, and the bottom end of the connecting shaft is connected to the The top of the connecting rod is fixedly connected, and the lifting rod is fixedly connected in the bearing. At this time, the lifting rod can freely rotate 360 degrees through the bearing. The limiting sleeve is located above the connecting shaft. There is a sliding sleeve outside, and a sliding tooth is arranged inside the sliding sleeve, and a limit chute that can cooperate with the sliding tooth is provided on the limit sleeve and the connecting shaft. After adjusting the position of the lifting rod Finally, slide the sliding sleeve so that the sliding teeth in the sliding sleeve cooperate with the limit chute outside the connecting shaft, thereby fixing the lifting rod on the connecting rod.

The lower support frame is a hexagonal prism, and the climbing device is composed of several pedals. The pedals are arranged symmetrically on both sides of the lower support frame. For placing the pedal, a support groove is provided under the pedal groove, and the support groove is used to place a support rod. The pedal is hinged at the bottom of the pedal groove, and a support chute is provided on the bottom surface of the pedal. A support slider is provided in the support chute, a support rod is hinged on the support slider, the other end of the support rod is hinged at the bottom of the support groove, and the pedal is located in the pedal groove when not in use. The support rod is located in the support groove, and the pedal is taken out from the pedal groove when it needs to be used. At the same time, the support slider slides to the front end of the support chute. When the pedal is in a horizontal position, the support slider also slides to the support slide. The front end of the groove, so that the support rod can play a good role in supporting the pedal.

A torsion spring is provided at the bottom of the lowermost pedal groove, the outer side of the pedal is connected by a stay cord, a buckle is provided at the top of the stay cord, and a buckle is provided at the top of the lower support frame that can cooperate with the buckle. When you need to use it, take out the buckle from the slot. At this time, the pedal at the bottom is ejected from the pedal groove by the action of the torsion spring, and then the other pedals are brought out together by the pull rope. , so that the climbing device can be quickly unfolded. Also, when not in use, you only need to pull the drawstring and buckle the buckle into the card slot, and the pedals can be fully retracted into the pedal groove.

The advantages of the present invention: the entire installation process can be completed within 3 minutes by only two maintenance personnel, while it takes 25 minutes to use a crane before, which greatly shortens the time of installation work, which not only reduces the time of power failure, The construction period has been advanced, the safe and stable operation of the power grid has been improved, and the workload of workers has been reduced. The manpower and material resources saved can be applied to other places, which greatly improves work efficiency, reduces the cost of maintaining the power grid, and realizes staff reduction. efficiency purpose.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic structural view of the fixing frame of the present invention.

Fig. 3 is a schematic diagram of the position structure of the pedal of the present invention.

Fig. 4 is a structural schematic diagram of the positioning groove on the connecting rod of the present invention.

Fig. 5 is a schematic diagram of the structure of the sliding sleeve of the present invention when it cooperates with the connecting shaft.

Fig. 6 is a schematic structural view of the sliding sleeve of the present invention when it is separated from the connecting shaft.

Fig. 7 is a schematic diagram of the connection between the pedals of the present invention.

detailed description

The present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in the figure, a device for replacing the porcelain bottle of the tube bus bar includes a base 1, a support frame, and a fixing frame 12 for fixing the base 1, wherein a fixing hole 11 is provided on the base 1, The fixed frame 12 is provided with a fixing bolt 13 that can cooperate with the fixing hole 11, and the base 1 is fixed on the busbar pillar porcelain bottle structure bracket by the cooperation of the fixing bolt 13 on the fixing frame 12 and the fixing hole 11 during installation. Above, the support frame is composed of an upper support frame and a lower support frame 2, a climbing device is provided on the lower support frame 2, and a fixing device for fixing the upper support frame is provided on the support frame. device, the top of the upper support frame is in an arc-shaped structure, and the radian is 120 degrees. The top of the upper support frame is provided with a hoisting nose 8. During work, a hoisting nose 8 is provided with an inverted chain, which can be lifted by the inverted chain. Complete the lifting work on the busbar.

Described upper supporting frame is made up of connecting rod 4 and lifting rod 7, is provided with connecting hole 22 in the axial direction of described lower supporting frame 2, and connecting hole 22 cooperates with the bottom of connecting rod 4, and in described lower supporting frame 2 is provided with a number of perforations 21 in the radial direction, a load-bearing rod 20 is provided on the lower support frame 2, and a positioning groove 41 is provided at the bottom end of the connecting rod 4, and the load-bearing rod 20 is inserted into one of the perforations 21 during installation. , then insert the connecting rod 4 into the connecting hole 22, then turn the connecting rod 4 so that the load-bearing rod 20 cooperates with the positioning groove 41, so that the connecting rod 4 is fixed in the lower support frame 2, and the upper section of the connecting rod 4 passes through the connecting mechanism Connected with the lifting rod 7, the lifting rod 7 can freely rotate 360 degrees on the connecting rod 4 through the connecting mechanism, and the lifting nose 8 is located at the top of the lifting rod 7. Therefore, the perforations 21 are divided into two rows and arranged on the lower support frame 2, and the load-bearing rod 20 and the positioning groove 41 are also arranged in two correspondingly, so that when the connecting rod 4 is inserted into the connecting hole 22, it will be in the connecting hole 22. There are two load-bearing rods 20 to support the connecting rod 4 , which not only increases the stability of the upper support frame, but also reduces the stress of a single load-bearing rod 20 .

The connection structure is composed of a connecting shaft 5 and a limit sleeve 6. In order to increase the stability of the lifting rod 7 in the connecting shaft 5, at least two bearings 51 are provided in the connecting shaft 5. The connecting shaft The bottom end of 5 is fixedly connected with the top of the connecting rod 4, and the lifting rod 7 is fixedly connected in the bearing 51. At this time, the lifting rod 7 can freely rotate 360 degrees through the bearing 51. The limit sleeve 6 Located above the connecting shaft 5, a sliding sleeve 61 is provided outside the limiting sleeve 6, and a sliding tooth 62 is arranged inside the sliding sleeve 61. Both the limiting sleeve 6 and the connecting shaft 5 are provided with The limit chute 60 that can cooperate with the sliding tooth 62, after adjusting the position of the lifting rod 7, slide the sliding sleeve 61 so that the sliding tooth 62 in the sliding sleeve 61 and the limiting chute 60 outside the connecting shaft 5 Cooperate, thereby the lifting rod 7 is fixed on the connecting rod 4.

The lower support frame 2 is a hexagonal prism, and the climbing device is composed of several pedals 3. The pedals 3 are symmetrically arranged on both sides of the lower support frame 2, and pedal grooves are arranged outside the lower support frame 2. 30, the pedal groove 30 is used to place the pedal 3, a support groove 34 is provided under the pedal groove 30, the support groove 34 is used to place a support rod 33, and the pedal 3 is hinged on the pedal groove 30 At the bottom, a support chute 31 is provided on the bottom surface of the pedal 3 , a support slide 32 is provided in the support chute 31 , and a support rod 33 is hinged on the support slide 32 . The other end is hinged at the bottom of the support groove 34. When not in use, the pedal 3 is located in the pedal groove 30, and the support rod 33 is positioned in the support groove 34. When needed, the pedal 3 is taken out from the pedal groove 30, and At the same time, the support slider 32 slides to the front end of the support chute 31. When the pedal 3 is in a horizontal position, the support slider 32 also slides to the front end of the support chute 31, so that the support rod 33 can play a good role in the pedal 3. supporting role.

A torsion spring is arranged at the bottom of the lowermost pedal groove 30, the outside of the pedal 3 is connected by a stay cord 23, a buckle 24 is provided at the top of the stay cord 23, and an energy-capable spring is provided at the top of the lower support frame 2. The draw-in slot 25 that cooperates with the buckle 24 takes the buckle 24 out of the draw-in slot 25 when it needs to be used. At this time, the pedal 3 located at the bottom is ejected from the pedal groove 30 by the action of the torsion spring, and then passes The driving of stay cord 23 will also bring out other pedals 3 together, so that the climbing device can be launched quickly, and when not in use, only need to pull stay cord 23 and buckle buckle 24 in the draw-in groove 25, both Pedal 3 all withdraws in the pedal groove 30.

Its working principle is as follows: first, the base 1 is processed into a 450mm square by using 8mm thick steel plates, and then four positioning holes 11 with a hole spacing of 260mm×320mm are processed on the base, and the fixing frame 12 uses two ⊥6 channel steels. Each channel steel is provided with two described fixing bolts 13, and the eye distance between the two fixing bolts 13 on the same channel steel is 260mm, so when installing, the base 1 is placed on the top of the busbar pillar porcelain bottle structure support, Then the fixing frame 12 is placed under the support of the busbar pillar porcelain bottle structure, and the base 1 can be fixed on the busbar pillar porcelain bottle structure support by the cooperation of the fixing bolt 13 and the fixing hole 11, and the maintenance work can be carried out by launching the pedal 3. If you need to rotate the lifting rod 7 during work, you only need to slide the sliding sleeve 61 out from the connecting shaft 5, and then unclamp the sliding sleeve 61 after adjusting the position of the lifting rod 7, so that the sliding sleeve 61 will be connected with the connecting rod again. The shaft 5 cooperates, thereby the lifting rod 7 is fixed.

Claims (5)

1. the device for more replace tubes bus support column porcelain bottle, comprise base and bracing frame, and for fixing the fixed mount of described base, it is characterized in that: on described base, be provided with fixing hole, described fixed mount is provided with the set bolt that can coordinate with described fixing hole, support frame as described above is socketed by upper support frame and lower support frame and forms, described lower support frame is provided with climbing device, support frame as described above is provided with the fixture for fixing described upper support frame, the curved structure in top of described upper support frame, lifting nose is provided with on the top of described upper support frame.

2. a kind of device for more replace tubes bus support column porcelain bottle according to claim 1, it is characterized in that: described upper support frame is made up of connecting rod and lifting boom, axially connecting hole is provided with at described lower support frame, the radial direction of described lower support frame is provided with some perforation, described lower support frame is provided with bearing bar, be provided with location notch in described connecting rod bottom, the epimere of described connecting rod is connected with described lifting boom by bindiny mechanism, and described lifting nose is positioned at described lifting boom top.

3. a kind of device for more replace tubes bus support column porcelain bottle according to claim 2, it is characterized in that: described syndeton is made up of connecting axle and stop collar, two bearings are at least provided with in described connecting axle, the bottom of described connecting axle is fixedly connected with described connecting rod top, described lifting boom is fixedly connected in described bearing, described stop collar is positioned at above described connecting axle, sliding sleeve is provided with outside described stop collar, in described sliding sleeve, be provided with slip teeth, described stop collar and connecting axle are equipped with the limit sliding chutes that can coordinate with described slip teeth.

4. according to a kind of device for more replace tubes bus support column porcelain bottle of claim 1-3 wherein described in any one, it is characterized in that: described lower support frame is six prisms, described climbing device is made up of some pedals, described pedal is symmetricly set on described lower support frame both sides, pedal groove is provided with outside described lower support frame, brace groove is had at described pedal groove, described pedal is hinged on bottom described pedal groove, support chute is provided with in described pedal bottom surface, support slipper is provided with in described support chute, described support slipper is hinged with support bar, the other end of described support bar is hinged on bottom described brace groove.

5. a kind of device for more replace tubes bus support column porcelain bottle according to claim 4, it is characterized in that: be provided with torque spring being positioned at bottom the pedal groove of bottom, connected by stay cord outside described pedal, be provided with buckle on described stay cord top, be provided with on described lower support frame top can with the described draw-in groove be clasped.