CN216647994U - Auxiliary device is changed to transformer respirator silica gel - Google Patents

Abstract

The utility model provides a silica gel replacement auxiliary device for a transformer respirator, which comprises a working platform, a telescopic maintenance unit and a turnover type fixing frame, wherein the working platform is provided with a support frame; the working platform comprises a bottom supporting plate, a supporting structure and an insulating pad working table, and the bottom supporting plate is connected with the insulating pad working table through the supporting structure; the telescopic maintenance unit is arranged on the inner side of a maintenance stove arranged on the insulating pad workbench and is fixedly connected with the insulating pad workbench; the turnover type fixing frame comprises a primary fixing frame and a secondary fixing frame, and the primary fixing frame is fixedly connected with the insulating pad workbench; the steering piece is fixed with the primary fixing frame; the secondary fixing frame is fixed on the upper part of the primary fixing frame, and the upper part of the transformer respirator is fixed. The telescopic maintenance unit is fixedly connected with the lower end of the respirator, so that the respirator is not required to be lifted and turned in the process of disassembly or assembly, and the labor is saved. The device simple structure, convenient operation has reduced use cost.

Description

Auxiliary device is changed to transformer respirator silica gel

Technical Field

The utility model relates to the technical field of matching of transformer equipment of a transformer substation, in particular to an auxiliary device for replacing silica gel of a transformer respirator, which is suitable for replacing the silica gel of the transformer respirator.

Background

The transformer respirator is also called a transformer moisture absorber, and is an attached safety protection device of a main transformer. The respirator is that its inside moisture absorbent that is equipped with of glass container, plays filtration and drying effect when mainly carrying out gas exchange at transformer and external, need regularly change the silica gel in the respirator that becomes to guarantee that the respirator that becomes can normally filter the moisture in the gas, guarantee that equipment operation is normal.

In the process of replacing silica gel of the existing transformer respirator, a respirator flange screw needs to be detached, and the respirator loses a reliable fixing mode due to the detachment of the flange screw, so that a respirator body needs to be manually supported at the bottom, and the respirator body needs to be supported by more workers for a large-mass respirator. Because the load is carried on one side, the gravity center of the respirator is unstable, the respirator is easy to collide and damage due to the turnover of the workbench in the single working process, and the whole working process consumes time, labor and manpower. On the other hand, in the process of replacing silica gel of the respirator, the main transformer is protected by heavy gas and quits operation, if the transformer has internal faults during the process, the inevitable damage is caused to the transformer, the operation time of the main transformer without main protection and the respirator can be greatly prolonged, and the operation safety of the transformer is threatened. In addition, the lifting plate of the existing device is complex in connection, time and labor are wasted in the lifting process, and the lifting plate is necessary for reducing the use cost, shortening the working time and improving the working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a transformer respirator silica gel replacement auxiliary device aiming at the problems of time consumption, labor consumption, manpower consumption and low working efficiency in the replacement work of the main transformer respirator silica gel, solves the problems of time consumption, labor consumption, manpower consumption and low working efficiency in the replacement work, realizes the one-man operation in the whole replacement work process, effectively shortens the working hours of each link, and improves the efficiency of replacing the main transformer respirator silica gel.

The embodiment of the utility model provides an auxiliary device for replacing silica gel of a transformer respirator, which comprises a liftable working platform, a telescopic overhauling unit and a turnover type fixing frame;

the working platform is a hydraulic lifting platform and comprises a bottom supporting plate, a supporting structure and an insulating pad working table, and the bottom supporting plate is connected with the insulating pad working table through the supporting structure;

the retractable maintenance unit comprises an adjusting screw rod and a maintenance stove fixing hoop, the maintenance stove fixing hoop is arranged on the inner side of a maintenance stove arranged on one side of the insulating pad workbench, the maintenance stove is of a circular through hole structure, the maintenance stove fixing hoop is of a closed ring enclosed by an arc hoop structure and used for bearing the bottom of a transformer respirator, the maintenance stove fixing hoop is connected with the adjusting screw rod extending towards the edge direction of the plate surface of the insulating pad workbench, and the adjusting screw rod is connected with the insulating pad workbench;

the turnover type fixing frame comprises a primary fixing frame and a secondary fixing frame, the primary fixing frame comprises a primary height adjusting structure, a primary fixing hoop, a steering piece and a primary fixing hoop locking rod, the primary fixing hoop is two groups of arc hoop structures with opposite ends, and the two groups of arc hoop structures with opposite ends are fixed on the primary height adjusting structure through the primary fixing hoop locking rod respectively and are used for fixing the middle part of the transformer respirator by the primary fixing hoop; the steering part is fixed with the primary fixed hoop locking rod and used for driving the primary fixed hoop locking rod to rotate when the steering part rotates, and the secondary fixing frame is fixed on the upper portion of the primary fixing frame and used for fixing the upper portion of the transformer respirator on the secondary fixing frame.

Optionally, the supporting structure is a scissors-type supporting structure, and includes a first lifting component and a second lifting component that are mutually crossed, and hinge shafts are disposed at a crossing point between the first lifting component and the second lifting component, a bending point of the first lifting component, and a bending point of the second lifting component.

Optionally, the maintenance stove fixing hoop is of a three-section arc hoop structure, and the three-section arc hoop structure is enclosed to form a closed circular ring.

Optionally, an open-ended annular fixing piece is arranged on the adjusting screw rod, the adjusting screw rod penetrates through the annular fixing piece, and the annular fixing piece is fixed with the table top of the insulating pad workbench.

Optionally, one-level altitude mixture control structure includes short-range scissors support column and short-range scissors support column regulation pole, the short-range scissors support column is scissors formula bearing structure, fixes on the insulating pad workstation, be fixed with on the width direction of short-range scissors support column the short-range scissors support column regulation pole, through short-range scissors support column regulation pole is right short-range scissors support column width is adjusted and is locked, implements regulation and locking of short-range scissors support column height.

Optionally, the second-stage fixing frame comprises a second-stage fixing frame support rod, a second-stage fixing hoop locking pin, a second-stage fixing hoop and a second-stage fixing hoop locking rod, the second-stage fixing frame support rod is fixed on the first-stage fixing hoop locking rod, the second-stage fixing hoop is of two arc hoop structures with opposite ends, and the second-stage fixing hoop is fixed on the second-stage fixing frame support rod through the second-stage fixing hoop locking rod; the second-stage fixed hoop locking pin is fixed on the second-stage fixed hoop locking rod and used for adjusting and locking the working radius of the second-stage fixed hoop.

Optionally, the second-stage fixing frame support rod is provided with at least one longitudinal through hole, a locking hole is formed in the outer side wall of the longitudinal through hole, the second-stage fixing hoop locking rod penetrates through the longitudinal through hole in the top end of the second-stage fixing frame support rod 15, the second-stage fixing hoop locking pin with threads is located in the locking hole, and the second-stage fixing hoop locking rod, the longitudinal through hole in the second-stage fixing frame support rod, the second-stage fixing hoop locking pin and the locking hole are matched and locked for adjustment and locking of the working radius of the second-stage fixing hoop.

Optionally, an insulating layer is arranged on the inner wall of the primary fixing hoop.

Optionally, at least three universal self-locking wheels are installed at the bottom of the bottom support plate of the hydraulic lifting platform.

Optionally, a portable pedal-type movable pedal is mounted at one side edge of a bottom supporting plate of the hydraulic lifting platform and used for controlling a hydraulic pump and implementing lifting of the supporting structure, a cart handle is arranged on the side of the bottom supporting plate and used for implementing integral movement of the device, a portable manual pressure relief gate valve is attached to the cart handle and connected with the hydraulic pump through a pressure relief connecting wire and used for controlling descending of the supporting structure.

Compared with the prior art, the embodiment of the application has the following advantages:

the auxiliary device for replacing the silica gel of the transformer respirator comprises a lifting type working platform, a telescopic overhauling unit and a turnover type fixing frame; the liftable working platform is a hydraulic liftable platform and comprises a bottom supporting plate, a supporting structure and an insulating pad working table, wherein the bottom supporting plate is connected with the insulating pad working table through the supporting structure. The retractable overhauls the unit and includes adjusting screw, overhauls kitchen locking pin and overhauls the fixed hoop of kitchen, overhaul the fixed hoop of kitchen set up in the inboard of the maintenance kitchen that insulating pad workstation one side was seted up, the structure of overhauing the kitchen is circular shape through-hole structure, the structure of overhauing the fixed hoop of kitchen is the closed ring that the arc hoop structure encloses for the bottom of bearing transformer respirator. The fixed hoop of maintenance kitchen with to the adjusting screw that the face edge direction of insulating pad workstation extends is connected, adjusting screw through overhaul kitchen locking pin with insulating pad workstation fixed connection is used for with adjusting screw fixes on the insulating pad workstation. The turnover type fixing frame comprises a primary fixing frame and a secondary fixing frame, the primary fixing frame comprises a primary height adjusting structure, a primary fixing hoop, a steering piece, a primary fixing hoop locking pin and a primary fixing hoop locking rod, the primary fixing hoop is two groups of arc hoop structures with opposite ends, and the two groups of arc hoop structures with opposite ends are fixed on the primary height adjusting structure through the primary fixing hoop locking rod respectively and used for fixing the middle part of the transformer respirator by the primary fixing hoop; the steering piece is fixed with the primary fixed hoop locking rod and used for driving the primary fixed hoop locking rod to rotate when the steering piece rotates and locking the overturning angle through the primary fixed hoop locking pin; the secondary fixing frame is fixed on the upper part of the primary fixing frame and used for fixing the upper part of the transformer respirator on the secondary fixing frame.

Carrying out main transformer respirator silica gel and changing the in-process, this change auxiliary device arranges main transformer respirator in overhauing the kitchen, through the fixed radius of buckle of adjusting the maintenance kitchen, fix the bottom at the respirator with the buckle, it is fixed to respirator ware body and respirator flange side to adjust one-level mount and second grade mount, realize the dismantlement of respirator, the work is changed in the dismantlement of oil cup, through rising one-level mount and second grade mount, the fixed respirator risees, overturn one-level mount and second grade mount again, the convenient cleaning work to the inside silica gel of respirator behind the fixed respirator slope, in order to realize empting and cleaning of respirator silica gel. The device is when changing or cleaning work saving time, laborsaving, save the manual work and improved change or clear work efficiency, whole change or clean process only need alone the operation alright accomplish, have effectively practiced thrift the human cost, improve the efficiency that the work was changed to the respirator, have alleviateed fortune dimension personnel's intensity of labour, have shortened the time that the work was changed to the respirator, it is long when shortening the main transformer no gas protection operation, has effectively ensured the safe operation of main transformer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a liftable auxiliary device for replacing silica gel of a transformer respirator in an embodiment of the utility model.

Fig. 2 is a schematic structural diagram of a retractable maintenance unit on an insulating mat workbench according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a service range mechanism on an insulating mat workbench according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a flip-type fixing frame and a flip-type fixing frame thereof according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a flip structure in the flip type fixing frame according to the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a supporting structure and a flipping structure of the flip-type fixing frame according to an embodiment of the utility model.

Fig. 7 is a schematic structural view of a steering member according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of one side of the flip-type fixing frame according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the application provides an auxiliary device is changed to transformer respirator silica gel, to main transformer respirator silica gel change during operation consuming time, consume effort, consume artifical and the not high problem of work efficiency, a transformer respirator silica gel change auxiliary device is provided, the device saves time when changing or cleaning work, it is laborsaving, save the manual work and improved change or clear work efficiency, the overall process of change work has realized single operation, effectively shorten each link man-hour, the efficiency that main transformer respirator silica gel was changed has been improved.

As shown in fig. 1, according to the survey of the height and related specification parameters of the currently used main transformer respirator, in one embodiment of the present application, the lifting height of the silica gel replacement auxiliary device of the transformer respirator can reach 1260mm at most, which meets the requirement of the replacement operation height of the transformer respirator of 750kV and 330kV voltage levels of the currently available mainstream manufacturers; for example, according to the size survey of the respirators used for the existing 750kV and 330kV voltage class transformers, the liftable working platform of the above type of the present application meets the requirements of the existing various types of main transformer respirators on replacing operation tables, wherein the area of the liftable working platform is 750 × 450 mm.

The embodiment of the application provides an auxiliary device for replacing silica gel of a transformer respirator, which comprises a liftable working platform, a telescopic overhauling unit and a turnover type fixing frame; the whole liftable formula work platform that adopts of work platform, the lift mode adopts fluid pressure type lift platform, fluid pressure type lift platform includes bottom sprag board 19, bearing structure 6 and insulating pad workstation 7, at least three universal auto-lock wheel 1 is installed to fluid pressure type lift platform's 19 bottoms of bottom sprag board, installs universal auto-lock wheel 1 respectively in 19 bottom four corners departments of bottom sprag board for example, universal auto-lock wheel 1 is provided with the locker, can lock universal auto-lock wheel 1 on fixed position. The rubber insulating pad is laid on the surface of the liftable working platform and used for playing insulating and buffering protective roles on the surface of the liftable working platform, and the glass shell of the respirator can be effectively prevented from being broken on the surface of the liftable working platform.

In the embodiment of the present application, the bottom support plate 19 is connected to the insulating pad stage 7 through the support structure 6; bearing structure 6 is scissors formula bearing structure, adopts two sets of scissors formula lift forks, and shown scissors formula bearing structure adopts stepless formula liftable mode, including intercrossing's first lifting unit and second lifting unit, first lifting unit with the cross point department between the second lifting unit first lifting unit's the department of buckling with second lifting unit's the department of buckling all is provided with mobilizable hinge. The supporting structure 6 is used for adapting to the replacement operation of the height adjustment of various main transformer respirators.

In the embodiment of the present application, further, the supporting structure 6 is hinged to the bottom supporting plate 19, and the supporting structure 6 is slidably connected to the insulating pad working table 7 through a guiding groove 71 arranged below the insulating pad working table 7; when the supporting structure 6 ascends, two end points of the supporting structure 6 respectively approach to and slide with two contact points connected in the guide groove 71, and the liftable working platform ascends along with the ascending of the supporting structure 6.

In the embodiment of the application, the hydraulic lifting platform further comprises a hydraulic mechanism, specifically, the hydraulic mechanism is an oil pump type hydraulic mechanism, and the lifting power of the oil pump type hydraulic mechanism can adopt a hydraulic pump. The supporting structure 6 is lifted by adopting power of a hydraulic pump, the lifting of the working platform is driven by the telescopic motion of the hydraulic cylinder, the stable lifting process and the stability of the lifting type working platform are ensured, the lifting type working platform can be stopped at any position in the lifting and/or descending process, stepless height adjustment is realized, and the lifting type working platform is used for lifting at any position.

In the embodiment of the application, a portable pedal type movable pedal 2 is installed at one side edge of a bottom supporting plate 19 of the hydraulic lifting platform, and the portable pedal type movable pedal 2 is connected with the hydraulic pump. When the portable pedal type movable pedal 2 is pressed down, the hydraulic pump makes an extending motion by the motion of high-pressure liquid in the hydraulic cylinder, the support structure 6 is lifted by pushing the first lifting component and/or the second lifting component (not shown in the figure) in the support structure 6 through an extending part of the hydraulic pump, and meanwhile, the support structure 6 supports the hydraulic lifting platform to lift. After the hydraulic lifting platform rises to a proper height required by work, the foot is lifted, the portable pedal type movable pedal 2 bounces, the hydraulic pump makes contraction motion through high-pressure liquid in the hydraulic cylinder, the first lifting assembly and/or the second lifting assembly in the supporting structure 6 are pulled through the extending part of the hydraulic pump, so that the supporting structure 6 stops rising, meanwhile, the hydraulic lifting platform supported by the supporting structure 6 also stops rising, and the hydraulic lifting platform reaches a proper height required by work.

In the embodiment of the present application, the portable pedal-operated movable pedal 2 is configured to control the extension and retraction of the hydraulic pump, so as to control the push-pull movement of the hydraulic pump and the first lifting assembly and/or the second lifting assembly in the supporting structure 6, and by controlling the working state of the hydraulic pump, the supporting structure 6 is lifted, so as to meet the height required during working. 19 sides of bottom sprag board set up shallow handle 3 for implement fluid pressure type lift platform's moving as a whole, go up shallow handle 3 with portable manual pressure release gate valve 4, manual pressure release gate valve 4 is through pressure release connecting wire 5 and hydraulic pump connection to adopt manual pressure release gate valve 4 to open or be closed the release valve that the hydraulic pump set up is used for control bearing structure 6's decline can realize the stepless lift of liftable formula work platform through portable foot-operated movable pedal 2 and portable manual pressure release gate valve 4.

In the embodiment of the present application, as shown in fig. 2, the retractable maintenance unit includes an adjusting screw 8, a maintenance stove locking pin 9, and a maintenance stove fixing hoop 10, the maintenance stove fixing hoop 10 is disposed on the inner side of a maintenance stove 11 disposed on the insulating pad workbench 7, the maintenance stove 11 is of a circular through hole structure, for example, the designed diameter is 120mm, and the circular through hole structure is located on the outer side of the surface of the liftable workbench, the maintenance stove fixing hoop 10 is of a closed circular ring surrounded by an arc hoop structure, for example, the closed circular ring may be a table hole whose inner wall is in a wedge shape, the table hole is also called a buckle, wherein one end of the table hole in the wedge shape with a small aperture corresponds to the bottom of the transformer respirator, the maintenance stove fixing hoop 10 is a circular ring formed by three arc hoop structures, when the three arc hoop structures surround to form a closed circular ring, the closed circular ring is used for supporting and fixing the bottom of the transformer respirator. For example, the adjusting radius range of the fixing hoop 10 of the maintenance range can be 60-115mm, the platform hole in the wedge shape adopts a wedge shape structure along the inner wall surface, and the adjusting screw rod 8 can be adjusted at any time according to the diameter of the bottom edge of the respirator.

It is right in this application the first implementation that adjusting screw 8 was adjusted, it is three adjusting screw 8 lower part is followed adjusting screw 8 axis direction all is provided with and is on a parallel with adjusting screw 8's guide rail, the guide rail is fixed on insulating pad workstation 7's the mesa, the guide rail side is provided with a plurality of locking pinhole. Overhauls fixed hoop 10 of kitchen with to adjusting screw 8 that the face edge direction of insulating pad workstation 7 extends is connected adjusting screw 8 will adjusting screw 8 slides on the guide rail, through adjusting screw 8 adjusts the distance of the bench hole lateral wall of wedge form apart from the inner wall of overhauing kitchen 11, and then adjusts the regulation radius of overhauing the fixed hoop 10 of kitchen. When the bottom of the respirator is clamped and fixed in the wedge-shaped table hole, the radius of the wedge-shaped table hole is adjusted, the locking pin 9 of the overhauling stove is inserted into the locking pin hole of the guide rail, and the adjusting screw 8 is fixedly connected with the insulating pad workbench 7, so that the bottom of the respirator is fixed and stable.

It is right in this application adjusting screw 8 carries out the second kind of implementation adjusting screw 8 sets up on the insulating pad workstation 7 and only supplies adjusting screw 8 is in the recess of its axial direction activity, through set up at the recess side can wind the rotatory card handle in insulating pad workstation 7 plane, through the card handle is rotatory extremely adjusting screw 8 top and with adjusting screw 8 extrusion card is solid on the insulating pad workstation 7.

In the third implementation of the adjustment screw 8 in the present application, an open annular fixing member is disposed on the table top of the insulating pad worktable 7, the adjustment screw 8 penetrates through the annular fixing member, and after the adjustment radius of the maintenance stove fixing hoop 10 is adjusted while the adjustment screw 8 slides in the annular fixing member, a clamping handle disposed on the fixing member is removed, and the adjustment screw 8 is clamped and fixed on the insulating pad worktable 7 by reducing the diameter of the annular fixing member.

In the embodiment of the present application, not only the above-mentioned locking pin 9 or fixing member of the maintenance range, or the fixing component of the groove and the clamping handle, but also other clamping components with similar functions to the above-mentioned fixing component are applicable here, the above-mentioned clamping component is used to fix the adjusting screw 8 on the insulating pad workbench 7, and the retractable maintenance unit is used to adapt to respirators of various types and/or specifications, and is used for fixing support and maintenance work of the respirator base.

In the embodiment of the application, as shown in fig. 3-4, the turnover type fixing frame is located at two side edges of the overhaul stove 11, and the turnover type fixing frame adopts a two-stage fixing mode. The turnover type fixing frame comprises a primary fixing frame and a secondary fixing frame, the primary fixing frame comprises a primary height adjusting structure, a primary fixing hoop 13, a steering piece 14, a primary fixing hoop locking pin 20 and a primary fixing hoop locking rod 22, the primary height adjusting structure on the primary fixing frame comprises a short-distance scissors supporting column 12 and a short-distance scissors supporting column adjusting rod 18, the short-distance scissors supporting column 12 is a scissor type supporting structure and is hinged and fixed on the insulating pad workbench 7, and the stepless adjustment of the height of 300-600mm can be achieved through the through screw movable connection arranged on the short-distance scissors supporting column 12, for example, through the combination of the above components. Be fixed with on the width direction of short-range scissors support column 12 short-range scissors support column regulation pole 18, through short-range scissors support column regulation pole 18 carries out levogyration or dextrorotation, and then reduces two relatively width size between the short-range scissors support column 12 is right the width size of short-range scissors support column 12 is adjusted and is locked, and then implements the regulation and the locking of short-range scissors support column 12 height. Because the threads on the two sides of the support post adjusting rod 18 are in different rotating directions, when the support post adjusting rod 18 is rotated in one direction, the short-distance scissors support posts can be contracted or extended.

In the present application, the primary fixing straps 13 are two sets of arc-shaped strap structures with opposite ends, for example, a semicircular fixing strap with a radius of 100-200mm can be used as the upper end of the arc-shaped strap structure. The inner wall of the arc-shaped hoop structure of the primary fixed hoop 13 is provided with an insulating layer, and the insulating layer is provided with an anti-skid structure which can be a dent structure or a concave-convex block structure. The two groups of arc-shaped hoop structures with opposite ends are fixed on the primary height adjusting structure through the primary fixed hoop locking rod 22 respectively and are connected with the primary height adjusting structure through a primary fixed frame supporting connecting rod arranged on the short-distance scissors supporting column 12, the primary fixed frame supporting connecting rod is provided with a locking hole to adjust the radius of a fixed hoop formed by the arc-shaped hoop structures of the primary fixed hoop 13, and the primary fixed hoop 13 is used for fixing the middle part of the transformer respirator by the primary fixed hoop 13. As shown in fig. 8, the primary fixed hoop locking lever 22 comprises a primary locking outer sleeve 22-1, a primary locking inner rod 22-2 and a primary locking member 20-1; the primary locking outer sleeve 22-1 is sleeved outside the primary locking inner rod 22-2, one end close to the primary fixing hoop 13 is fixed with the primary locking piece 20-1 for locking and fixing the primary locking outer sleeve 22-1 and the primary locking inner rod 22-2, and the primary fixing hoop 13 is fixed at the middle range of the respirator body height 2/5-3/5 by adjusting the protruding length of the primary locking inner rod 22-2 from the primary locking outer sleeve 22-1 and further adjusting the radius of the fixing hoop formed by the arc-shaped hoop structure of the primary fixing hoop 13. The other end of the primary locking outer sleeve 22-1 far away from the primary fixed hoop 13 is closed, so that the secondary locking inner insertion rod 22-2 is prevented from protruding out of the tube or being interfered by the outside. The pair of short-distance scissors supporting columns 12 are used for adjusting the height of the locking rod 22 of the primary fixed hoop, and the pair of short-distance scissors supporting columns 12 and the primary fixed hoop 13 are connected through the steering piece 14. As shown in fig. 5, the steering member 14 is fixed to the primary fixed hoop locking rod 22, and a bearing for use in the steering member rotates with the primary fixed hoop locking rod 22 and is inserted into a locking hole by the primary fixed hoop locking pin 20 to lock a turning angle of the primary fixing frame, for example, the turning angle may range from 0 ° to 270 °. As shown in fig. 6 and 7, the steering member 14 includes an outer cylinder 14-1, a circular bearing 14-2 fixed in one end of the cylinder 14-1, and a fixing hole 14-3 formed along the wall of the cylinder at one end of the cylinder 14-1. The number of the steering parts 14 is two, the outer cylinders 14-1 are respectively sleeved at two ends of the first-stage fixed hoop locking rod 22, the inner side wall of the circular bearing 14-2 of the steering part 14 is fixedly connected with the outer side wall of the first-stage fixed hoop locking rod 22, a plurality of through fixing holes 14-3 are formed in the circular side wall of the steering part 14 along the circumferential side surface, and after the first-stage fixed hoop locking rod 22 is turned over to a proper position along with the circular bearing 14-2, the first-stage fixed hoop locking pin 20 is screwed into the fixing hole 14-3 which is convenient to operate until the front end of the first-stage fixed hoop locking pin 20 is extruded on the outer side wall of the first-stage fixed hoop locking rod 22 and is fixedly connected with the first-stage fixed hoop locking rod. The steering member 14, the primary fixed hoop locking pin 20 and the primary fixed hoop locking rod 22 cooperate to perform the function of turning over and locking the respirator on the primary fixed hoop locking rod 22 without obstacles. In the embodiment of the present application, the locking member formed by the steering member 14 may also be a rotating sleeve fastener such as a sleeve lock, which is respectively disposed at two ends of the primary fixed hoop locking rod 22 for locking and fixing the primary fixed hoop locking rod 22 before and after being turned.

In the embodiment of the present application, as shown in fig. 5, the secondary fixing frame is fixed on the upper portion of the primary fixing frame, the secondary fixing frame includes a secondary fixing frame support rod 15, a secondary fixing hoop locking pin 16, a secondary fixing hoop 17, and a secondary fixing hoop locking rod 21, and the secondary fixing frame is connected with the primary fixing frame through the secondary fixing frame support rod 15. In a first embodiment, as shown in fig. 5, the secondary mount is fixed on the upper portion of the primary mount, the secondary mount support rod 15 is provided with at least one longitudinal through hole, a locking hole (not shown) for matching and fixing the external thread of the secondary fixing hoop locking pin 16 is provided on the outer side wall of the longitudinal through hole, the secondary fixing hoop locking pin 21 penetrates through the longitudinal through hole at the top end of the secondary mount support rod 15, after the secondary fixing hoop 17 is adjusted to a suitable radius, the secondary fixing hoop locking pin 16 is screwed into the locking hole on the side wall of the longitudinal through hole at the top end of the secondary mount support rod 15, and the outer side wall of the secondary fixing hoop locking pin 21 is pressed by the top end of the threaded secondary fixing hoop locking pin 16, so as to fix the secondary fixing hoop locking pin 21 with the secondary mount support rod 15.

In the second embodiment of the present application, in which the secondary fixing frame is fixed on the upper part of the primary fixing frame, as shown in fig. 8, the secondary fixing hoop locking rod 21 comprises a secondary locking outer sleeve 21-1, a secondary locking inner rod 21-2 and a secondary locking member 16-1; the secondary locking outer sleeve 21-1 is sleeved outside the secondary locking inner inserting rod 21-2, one end close to the secondary locking inner inserting rod 17 is fixed with the secondary locking part 16-1 for locking and fixing the secondary locking outer sleeve 21-1 and the secondary locking inner inserting rod 21-2, the size of the adjusting radius formed by the secondary locking inner inserting rod 17 is adjusted by adjusting the protruding length of the secondary locking inner inserting rod 21-2 from the secondary locking outer sleeve 21-1, and the other end of the secondary locking outer sleeve 21-1 far away from the secondary locking inner inserting rod 17 is closed, so that the secondary locking inner inserting rod 21-2 is prevented from protruding from the inner pipe or being interfered by the outside. The second-stage fixed hoop locking pin 16 is matched with the longitudinal through hole on the second-stage fixed hoop supporting rod 15 and the longitudinal through hole on the second-stage fixed hoop locking rod 21, and is used for adjusting and locking the working radius of the second-stage fixed hoop 17. The second-stage fixing frame support rod 15 is fixed on the first-stage fixing hoop locking rod 22, the second-stage fixing hoop 17 is two groups of arc hoop structures with opposite ends, for example, the arc hoop structures can adopt 30-70mm radius circular fixing hoops, and the fixing hoops are connected with the first-stage fixing hoop support connecting rods through the second-stage fixing frame support rod 15. The second-stage fixed hoop 17 is fixed on the second-stage fixed frame support rod 15 through a second-stage fixed hoop locking rod 21, and the neck at the upper part of the outer side surface of the respirator flange can be fixed by adjusting the fixed radius of the second-stage fixed hoop through the locking hole or the second-stage locking piece 16-1. The secondary fixing hoop 17 is coaxial with the primary fixing hoop 13, is matched with the coaxial upper part and middle part of the respirator, and is used for fixing the upper part of the transformer respirator on the secondary fixing frame. The second-stage fixed hoop locking pin 16 is fixed in the locking hole and fixed with the second-stage fixed hoop locking rod 21, and is used for adjusting and locking the working radius of the second-stage fixed hoop 17. The secondary fixing frame is used for fixing the middle part of the fixed transformer respirator and fixing the upper part of the transformer respirator. Convertible mount is used for changing respirator, empties and/or pours into respirator silica gel and wash stable fixed respirator when respirator into, and through the operation convertible mount carries out the upset to the respirator, and the overall process can realize one-man operation, effectively shortens each link man-hour, improves respirator silica gel and changes efficiency.

As shown in the attached drawing 1, when the silica gel of the transformer respirator is replaced, the auxiliary operation vehicle is moved to the lower part of the respirator, the maintenance stove 11 is just under the respirator, 4 universal self-locking wheels 1 are fixed, the auxiliary vehicle body is fixed, the scissor-type supporting structure 6 is adjusted by the portable pedal-type movable pedal 2 to enable the liftable working platform to be lifted to the lower edge of the respirator and be located at the fixed hoop of the maintenance stove, if the height is too high, the liftable working platform is adjusted to the disassembly height by holding the portable manual pressure relief gate valve 4 through hand-holding, for example, the adjusting screw rods 8 on the sides of the maintenance stove 11 in three directions can be respectively pulled and pushed to respectively stretch or push the adjusting screw rods 8 to slide on the guide rail to adjust the adjusting radius of the fixed hoop 10 on the outer side wall of the respirator, so that the fixed hoop 10 of the maintenance stove is clamped on the lower edge of the outer side wall of the respirator, and the maintenance stove locking pins 9 on the sides of the maintenance stove 11 are inserted into the locking pin holes of the guide rail The adjusting screw 8 is fixedly connected with the insulating pad workbench 7, so that the lower part of the respirator is stably fixed, and the respirator is supported and fixed integrally, as shown in fig. 6, the height of a pair of short-distance scissors supporting columns 12 is finely adjusted through the short-distance scissors supporting column adjusting rod 18. As shown in fig. 5, for example, the height of the primary fixing hoop 13 is adjusted to the middle of the respirator body 2/5-3/5, two primary fixing hoop locking rods 22 are pulled to adjust the radius of the primary fixing hoop 13, so that the primary fixing hoop 13 is clamped outside the respirator body, the primary fixing hoop 13 is locked by the primary fixing hoop locking pins 20 on both sides of the primary fixing hoop 13, thereby fixing the respirator body, then two secondary fixing hoop locking rods 21 are pulled to adjust the radius of the secondary fixing hoop 17, so that the arc-shaped hoop structure of the secondary fixing hoop 17 is flush with the lower neck of the respirator flange, the secondary fixing hoop locking pins 16 lock the secondary fixing hoop 17, and the whole respirator body is fixed on the working platform. At the moment, a breather oil cup can be detached below an overhaul range 11 and is placed on an insulating pad workbench 7, screws of an upper flange of the breather are detached, the breather and a transformer are separated, parts detached from the breather are all placed on the upper surface of the insulating pad workbench 7, a liftable working platform is lowered by using a portable manual pressure relief gate valve 4, the height of the liftable working platform is adjusted to the working height, a locking pin 9 of the overhaul range is opened at the moment, a short-distance scissors supporting column 12 is raised to raise the heights of a primary fixing frame and a secondary fixing frame, the primary fixing frame and the secondary fixing frame of the breather are manually turned and fixed, the breather is turned over within the range of 0-270 degrees through a steering piece 14 (see attached figures 5-6), for example, when the breather is turned over at the angle of 270 degrees, the first-level fixing hoop locking pin 20 is inserted into a fixing hole 14-3, two first-level fixing hoop rods 22 which rotate around the steering piece 14 and are respectively arranged at two sides of the breather, to pour the silica gel in the respirator and clean the inner and outer parts of the respirator; after cleaning, the first-stage fixed hoop locking pin 20 is pulled out of the fixed hole 14-3, the respirator is turned over by 270 degrees in the opposite direction, when the respirator rotates to the original vertical state, the height of the pair of short-distance scissors supporting columns 12 is adjusted through the short-distance scissors supporting column adjusting rods 18, so that the bottoms of the respirators abut against the maintenance stove fixed hoops 10, the adjustment screw rods 8 are adjusted on the guide rails, the adjustment radius of the maintenance stove fixed hoops 10 is consistent with the radius of the bottoms of the respirators, the maintenance stove fixed hoops 10 are fixed on the outer side walls of the bottoms of the respirators, and replacement of the silica gel respirators is completed.

In the embodiment of the application, after the silica gel replacement work of respirator was accomplished, the height of liftable formula work platform was adjusted once more, align flange and transformer respirator interface on the respirator, accomplish the installation of respirator flange, the installation work of respirator oil cup is accomplished in the below of overhauing kitchen 11, demolish maintenance kitchen locking pin 9 at the substep, one-level fixed hoop locking pin 20, the fixed hoop locking pin 16 of second grade, open again and overhaul kitchen fixed hoop 10, one-level fixed hoop 13, the fixed hoop 17 of second grade, use portable manual pressure release gate valve 4 to reduce liftable formula work platform's height, make work platform and respirator leave, open 4 universal auto-lock wheels again, promote shallow handle 3, withdraw from change auxiliary device. Use this it need not to take the manpower to lift to change the overall process that auxiliary device changed main transformer respirator silica gel, only single change work that can accomplish respirator silica gel, the removal of respirator and the change operation process convenient and fast of silica gel in the respirator can adjust suitable operation height according to the operation demand to satisfy human laborsaving, convenient and efficient demand of operation.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An auxiliary device for replacing silica gel of a transformer respirator is characterized by comprising a liftable working platform, a telescopic overhauling unit and a turnover type fixing frame;

the lifting type working platform is a hydraulic lifting type platform and comprises a bottom supporting plate, a supporting structure and an insulating pad working table, wherein the bottom supporting plate is connected with the insulating pad working table through the supporting structure;

the retractable maintenance unit comprises an adjusting screw rod and a maintenance stove fixing hoop, the maintenance stove fixing hoop is arranged on the inner side of a maintenance stove arranged on one side of the insulating pad workbench, the maintenance stove is of a circular through hole structure, the maintenance stove fixing hoop is of a closed ring enclosed by an arc hoop structure and used for bearing the bottom of a transformer respirator, the maintenance stove fixing hoop is connected with the adjusting screw rod extending towards the edge direction of the plate surface of the insulating pad workbench, and the adjusting screw rod is connected with the insulating pad workbench;

the turnover type fixing frame comprises a primary fixing frame and a secondary fixing frame, the primary fixing frame comprises a primary height adjusting structure, a primary fixing hoop, a steering piece and a primary fixing hoop locking rod, the primary fixing hoop is two groups of arc hoop structures with opposite ends, and the two groups of arc hoop structures with opposite ends are fixed on the primary height adjusting structure through the primary fixing hoop locking rod respectively and are used for fixing the middle part of the transformer respirator by the primary fixing hoop; the steering piece is fixed with the first-stage fixed hoop locking rod and is used for driving the first-stage fixed hoop locking rod to rotate when the steering piece rotates;

the secondary fixing frame is fixed on the upper part of the primary fixing frame and used for fixing the upper part of the transformer respirator on the secondary fixing frame.

2. The auxiliary device for replacing silica gel of a transformer respirator according to claim 1, wherein the supporting structure is a scissor-type supporting structure and comprises a first lifting component and a second lifting component which are mutually crossed, and hinge shafts are arranged at the crossed point between the first lifting component and the second lifting component, and at the bent part of the first lifting component and the bent part of the second lifting component.

3. The auxiliary device for replacing silica gel of a transformer respirator is characterized in that the maintenance stove fixing hoop is of a three-section arc hoop structure, and the three-section arc hoop structure is enclosed into a closed circular ring.

4. The auxiliary device for silica gel replacement of transformer respirator of claim 1, wherein the adjusting screw is provided with an open ring-shaped fixing member, the adjusting screw penetrates through the ring-shaped fixing member, and the ring-shaped fixing member is fixed with the top of the insulating pad workbench.

5. The auxiliary device for silica gel replacement of transformer respirator of claim 1, wherein the primary height adjusting structure comprises a pair of short-distance scissors supporting columns and a pair of short-distance scissors supporting column adjusting rods, the pair of short-distance scissors supporting columns are scissors-type supporting structures and are fixed on the insulating pad workbench, the pair of short-distance scissors supporting column adjusting rods are fixed in the width direction of the pair of short-distance scissors supporting columns, and the pair of short-distance scissors supporting column adjusting rods is used for adjusting and locking the width of the pair of short-distance scissors supporting columns to implement the adjustment and locking of the height of the pair of short-distance scissors supporting columns.

6. The auxiliary device for silica gel replacement of transformer respirator of claim 1, wherein the secondary mount comprises a secondary mount support bar, a secondary fixed hoop locking pin, a secondary fixed hoop and a secondary fixed hoop locking bar, the secondary mount support bar is fixed on the primary fixed hoop locking bar, the secondary fixed hoop is in two sets of arc-shaped hoop structures with opposite ends, and is fixed on the secondary mount support bar through the secondary fixed hoop locking bar; the second fixed hoop locking pin is fixed on the second fixed hoop locking rod.

7. The auxiliary device for silica gel replacement of transformer respirator of claim 6, wherein the secondary fixing frame support rod is provided with at least one longitudinal through hole, a locking hole is provided on the outer side wall of the longitudinal through hole, the secondary fixing hoop locking rod penetrates through the longitudinal through hole at the top end of the secondary fixing frame support rod, the threaded secondary fixing hoop locking pin is located in the locking hole, and the secondary fixing hoop locking rod, the longitudinal through hole on the secondary fixing frame support rod, the secondary fixing hoop locking pin and the locking hole are matched and locked for adjustment and locking of the working radius of the secondary fixing hoop.

8. The auxiliary device for silica gel replacement of transformer respirator of claim 1, wherein the inner wall of the primary fixing hoop is provided with an insulating layer.

9. The auxiliary device for silica gel replacement of transformer respirator of claim 1, wherein the bottom of the bottom support plate of the hydraulic lifting platform is equipped with at least three universal self-locking wheels.

10. The auxiliary device for replacing silica gel of a transformer respirator of claim 1, wherein a portable pedal-type movable pedal is mounted at one side edge of a bottom supporting plate of the hydraulic lifting platform and used for controlling a hydraulic pump to lift the supporting structure, a cart handle is arranged at the side of the bottom supporting plate and used for moving the hydraulic lifting platform integrally, a portable manual pressure relief gate valve is attached to the cart handle and connected with the hydraulic pump through a pressure relief connecting line and used for controlling the supporting structure to descend.

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