CN207967747U - A kind of outdoor voltage transformer maintenance special hoisting bar - Google Patents

Abstract

The utility model relates to the technical field of voltage transformer maintenance auxiliary equipment, more specifically, relates to a special hanger for outdoor voltage transformer maintenance, including a fixing device connected to a base, a support rod with an extendable length, and a support rod connected to the support rod. The top of the support bar is vertically connected to the cross bar, and the bottom is connected to the fixing device. The support bar and the cross bar form a door-shaped structure; point, the suspension point is set at the midpoint of the crossbar. The utility model carries out the hoisting operation with the help of the maintenance hanger when the maintenance personnel replace the desiccant of the voltage transformer or the relevant hanging cover; it does not need the entry of a large special operation vehicle such as a crane, and does not need another section of the bus power failure Under the premise, the maintenance work can be completed by using a single-section bus power failure, which can improve work efficiency, not only reduce the scope of power failure, improve power supply reliability, but also reduce the risk of safety management and control.

Description

A special hanger for outdoor voltage transformer maintenance

technical field

The utility model relates to the technical field of voltage transformer maintenance auxiliary equipment, and more specifically relates to a special hanger for outdoor voltage transformer maintenance.

Background technique

At present, the power industry's requirements for standardized maintenance of equipment are constantly increasing, and the workload and difficulty of equipment maintenance in some outdoor substations are also gradually increasing. For some outdoor voltage transformers that need to be replaced because the micro water exceeds the standard, it needs to be dealt with, and the adsorbent inside the voltage transformer needs to be replaced. It is heavy and requires the use of special operating vehicles such as large cranes. Due to the problem of safety distance and operation risk, the difficulty of on-site safety management and control is increased. In addition, due to design defects in some old substations, the distance between the two busbars is too close and when the single busbar is powered off, it is impossible to ensure that there is a sufficient safe distance between the crane arm and the live equipment. During the operation, safe operation cannot be guaranteed, and there is a large operation risk; and when the task is performed, it is necessary to cut off the power of the two sections of the busbar at the same time.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a special hanger for outdoor voltage transformer maintenance, which can complete the maintenance by using a single bus section without power failure without using a crane and without power failure of another section of busbar Work can improve the work efficiency of workers.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:

Provide a special hanger for outdoor voltage transformer inspection and maintenance, the bottom of the voltage transformer is provided with a base; A cross bar, the top of the support bar is vertically connected to the cross bar, and the bottom is connected to the fixing device, and the support bar and the cross bar form a door-shaped structure; the cross bar is provided with a suspension point for hanging the lifting device, The suspension point is set at the midpoint of the crossbar.

The special hanger for outdoor voltage transformer inspection and maintenance of the utility model can carry out hoisting work with the help of the inspection hanger when the maintenance personnel replace the desiccant or related hanging cover of the voltage transformer; it does not need large special operation vehicles such as cranes. When entering the field, the maintenance work can be completed by using a single-section bus without power failure of another section of the bus, which can improve work efficiency, not only reduce the scope of power outages, improve power supply reliability, but also reduce the risk of safety control.

Further, the fixing device includes a hoop and a locking structure for locking the hoop, and the hoop is provided with a first locking position matched with the base and a second locking position matched with the support rod, so that The above-mentioned locking structure cooperates with the hoop. When installing, place the base in the first clamping position, place the support rod in the second clamping position, then fix the hoop with the base through the locking structure, connect the support rod with the hoop, and disassemble convenient.

Further, the hoop includes a first hoop body and a second hoop body that are matched with each other, and the first hoop body and the second hoop body are detachably connected; the first hoop body and the second hoop body are connected with Elastic adjuster. The base and the support rod are respectively locked in the first clamping position and the second clamping position through the elastic adjustment member, which is easy to operate and securely fixed.

Further, the first hoop body and the second hoop body at the first clamping position are extended to one side with an extension plate, and the locking structure is arranged around the outer side of the extension plate. The extension plate is set in contact with the outer wall of the base, and the locking structure surrounds the outer side of the extension plate to realize the stability of the connection between the hoop and the base.

Further, several knurlings for increasing friction are evenly distributed on the outer side of the extension plate, and the locking structure is a locking chain. This setting is to increase the frictional force between the locking chain and the hoop, and improve the stability of the hanger when hoisting workpieces such as the suspender.

Further, the outer side of the extension plate is surrounded by several connecting plates, and the connection between the connecting plate and the extending plate is provided with a through hole capable of accommodating the passage of the locking chain. The locking chain passes through the through hole to lock the hoop, which increases the reliability of the connection between the hanger and the voltage transformer during hoisting, and effectively prevents the voltage transformer from falling off during the hoisting process.

Further, the connection between the support rod and the cross bar is provided with a diagonal stay rod for increasing the mechanical strength of the hanger. The arrangement of the diagonal stay rods increases the load-bearing capacity of the hanger, which can improve the working stability of the hanger and prolong the service life of the hanger.

Further, the lifting device is a chain hoist with adjustable lifting strength, and a ring lock sleeve for hanging the chain hoist is provided at the suspension point. A hanging ring lock sleeve is set in the middle of the cross bar to hang the chain hoist. Using the adjustability and labor-saving characteristics of the chain hoist, the lifting height of the equipment can be better controlled, and it can also avoid being pulled by manpower during work. Instability and lack of strength.

Further, the support rod is composed of several telescopic rods that are movably connected, and the joints of adjacent telescopic rods are provided with locking pieces for locking the position of the telescopic rods. The telescopic rod telescopically connects and forms the support rod, the height of the support rod can be adjusted according to the height of different types of voltage transformers, so as to expand the application range of the hanger of the utility model; and it is beneficial to the storage and transportation of the hanger.

Further, the outer walls of at least one group of telescopic rods are provided with external threads, and the inner arms of the telescopic rods adjacent to the telescopic rods provided with external threads are provided with internal threads that cooperate with the external threads. When adjusting the height, the rotating telescopic rod can realize the continuous adjustment of the height, and the connection is stable and reliable, which is suitable for lifting voltage transformers of various heights.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The special hanger for outdoor voltage transformer inspection and maintenance of the utility model, when the maintenance personnel perform the work of replacing the desiccant or the related hanging cover of the voltage transformer, the lifting operation is carried out with the help of the inspection hanger; there is no need for large-scale special equipment such as cranes When the work vehicle enters the site, the maintenance work can be completed by using a single-section bus without power failure on the premise of another section of the bus, which can improve work efficiency, not only reduce the scope of power outages, improve power supply reliability, but also reduce the risk of safety control.

(2) The special hanger for outdoor voltage transformer maintenance of the utility model is easy to install and disassemble, and the length of the support rod can be contracted, which can improve the scope of application of the utility model and facilitate the storage and transportation of the hanger.

Description of drawings

Fig. 1 is a structural schematic diagram of the special hanger for outdoor voltage transformer inspection and maintenance of the utility model.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments. Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than actual drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present utility model, some parts of the accompanying drawings will be omitted , enlargement or reduction, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings may be omitted.

In the accompanying drawings of the utility model embodiment, the same or similar symbols correspond to the same or similar parts; The orientation or positional relationship indicated by "right", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, It is constructed and operated in a specific orientation, so the terms describing the positional relationship in the drawings are for illustrative purposes only, and should not be construed as limitations on this patent. Those of ordinary skill in the art can understand the meaning of the above terms according to specific situations. Concrete meaning.

Example 1

As shown in Figure 1, it is the first embodiment of the special hanger for outdoor voltage transformer maintenance of the present utility model. The bottom of the voltage transformer 1 is provided with a base 2; the special hanger for maintenance includes a fixing device 3 connected to the base, and the length is scalable. The support bar 4 and the cross bar 5 connected between the support bars, the top of the support bar 4 is vertically connected with the cross bar 5, the bottom is connected with the fixing device 3, and the support bar 4 and the cross bar 5 form a gate structure; the cross bar 5 There are suspension points for hanging the lifting device on the top, and the suspension points are set at the 5 midpoints of the cross bar. When the maintenance personnel replace the desiccant of the voltage transformer or the related hanging cover, the lifting operation is carried out with the help of the maintenance hanger, and there is no need for a large special operation vehicle such as a crane to enter the site, and it is used under the premise that another section of the bus is not powered off. The maintenance work can be completed when the single-section bus is powered off. In this embodiment, the connection between the support bar 4 and the cross bar 5 is provided with a diagonal stay bar 6 for increasing the mechanical strength of the hanger, increasing the load-bearing capacity of the hanger, and improving the working stability of the hanger.

Specifically, the fixing device 3 includes a hoop 31 and a locking structure 32 for locking the hoop 31. The hoop 31 is provided with a first clamping position that cooperates with the base 2 and a second clamping position that cooperates with the support rod 4. position, the locking structure 32 cooperates with the hoop 31; when installing, place the base 2 in the first clamping position, place the support rod 4 in the second clamping position, and then lock the hoop through the locking structure 32 31 is fixed with the base 2, and the support rod 4 is fixedly connected with the hoop 31. Wherein, the hoop 31 includes a first hoop body and a second hoop body that are arranged in cooperation, and the first hoop body and the second hoop body are detachably connected; an elastic adjustment member 33 is connected between the first hoop body and the second hoop body. The elastic adjustment part 33 locks the base 2 and the support rod 4 in the first clamping position and the second clamping position respectively. In addition, the first hoop body and the second hoop body located at the first clamping position are extended to one side with an extension plate 34, and the locking structure is arranged around the outer side of the extension plate 34. Knurling to increase friction, the locking structure of this embodiment is a locking chain; and the extension plate 34 is surrounded by a number of through-connection plates 35, and the connection between the through-connection plate 35 and the extension plate 34 is provided with a locking mechanism capable of accommodating locking. The through hole through which the chain passes; the locking structure 32 passes through the through hole and surrounds the outside of the extension plate to realize the stability of the connection between the hoop 31 and the base 2 .

In this embodiment, a hanging ring lock sleeve 7 is provided in the middle of the cross bar 5 to hang the chain hoist. By utilizing the adjustability and labor-saving characteristics of the chain hoist, the hoisting height of the equipment can be better controlled, and the It can avoid the problems of instability and insufficient strength due to manpower pulling during work.

In addition, the support rod 4 is composed of a plurality of telescopic rods 41 movably connected, and the joints of adjacent telescopic rods 41 are provided with locking elements 42 for locking the position of the telescopic rods 41; The inner arm of the telescopic rod 41 adjacent to the telescopic rod 41 provided with an external thread is provided with an internal thread cooperating with the external thread. When adjusting the height, the height of the support bar 41 can be adjusted according to the height of different types of voltage transformers, so as to expand the application range of the hanger of the present utility model; and it is beneficial to the storage and transportation of the hanger.

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (10)

1. a kind of outdoor voltage transformer overhauls special hoisting bar, the voltage transformer（1）Bottom is equipped with pedestal（2）；Its feature It is, includes the fixing device being connect with pedestal（3）, the telescopic supporting rod of length（4）And it is connected between supporting rod Cross bar（5）, the supporting rod（4）Top and cross bar（5）Vertical connection, bottom and fixing device（3）Connection, the supporting rod （4）With the cross bar（5）Form door type structure；The cross bar（5）It is equipped with the hitch point for suspension hoisting device, it is described outstanding Hanging point is set to the cross bar（5）Midpoint.

2. outdoor voltage transformer according to claim 1 overhauls special hoisting bar, which is characterized in that the fixing device （3）Including anchor ear（31）And the locking mechanism for locking anchor ear（32）, the anchor ear（31）Equipped with base engagement One fixes position and fixes position, the locking mechanism with the second of supporting rod cooperation（32）With anchor ear（31）Cooperation.

3. outdoor voltage transformer according to claim 2 overhauls special hoisting bar, which is characterized in that the anchor ear（31）Packet The first hoop body and the second hoop body being equipped with are included, first hoop body is detachably connected with the second hoop body；First hoop Elastic regulating part is connected between body and the second hoop body（33）.

4. outdoor voltage transformer according to claim 3 overhauls special hoisting bar, which is characterized in that be located at first and fix position First hoop body, second hoop body at place extend to side is equipped with extension board（34）, the locking mechanism is around set on extension board（34） Outside.

5. outdoor voltage transformer according to claim 4 overhauls special hoisting bar, which is characterized in that the extension board（34） Outside is evenly equipped with several knurlings for increasing frictional force, and the locking mechanism is locking chain.

6. outdoor voltage transformer according to claim 5 overhauls special hoisting bar, which is characterized in that the extension board（34） It wraps around and is equipped with several cross-under plates（35）, the cross-under plate（35）With extension board（34）Junction be equipped with can accommodate locking Chain by through-hole.

7. outdoor voltage transformer according to any one of claims 1 to 6 overhauls special hoisting bar, which is characterized in that described Supporting rod（4）With cross bar（5）Junction be equipped with brace for increasing hanger mechanical strength（6）.

8. outdoor voltage transformer according to claim 7 overhauls special hoisting bar, which is characterized in that the lifting device is Promotion dynamics adjustable chain block is equipped with the link lock tube for hanging chain block at the hitch point（7）.

9. outdoor voltage transformer according to claim 7 overhauls special hoisting bar, which is characterized in that the supporting rod（4） By several telescopic rods（41）It is movably connected to form, adjacent expansion bar（41）Junction be equipped with for locking telescopic rod（41）Position Lock piece（42）.

10. outdoor voltage transformer according to claim 9 overhauls special hoisting bar, which is characterized in that at least one set is flexible Bar（41）Outer wall be equipped with external screw thread, the inner arm of the telescopic rod being disposed adjacent with equipped with externally threaded telescopic rod be equipped with it is described outer The internal thread of screw-thread fit.