CN212230943U - Portable outdoor high-voltage fuse replacement assistor - Google Patents

Abstract

The utility model discloses an assistor is changed to portable outdoor high-pressure insurance, including high-pressure protective tube and L type cardboard, the top of high-pressure protective tube end cover and the bottom contact of L type cardboard, the front side activity cover on high-pressure protective tube surface is equipped with first solid fixed ring, and the rear side activity cover at the high-pressure protective tube back is equipped with the solid fixed ring of second, and the solid fixed ring's of first solid fixed ring and second one end has first threaded rod through pivot swing joint. The utility model provides an outdoor 35kV-PT high pressure insurance adopt built-in structure more, it is numerous and diverse to change the flow, it is time-consuming to consume power, because this internal spring force of insurance is very big, the single unable end cover that makes in high altitude reaches normal mounted position, and because of the restriction of operation face, can't realize the operation of many people in high altitude unilateral, cause the unable equipment in high altitude of insurance body must dismantle the insurance body ground, accomplish the change of protective tube, need dismantle the high altitude change that the protective tube could just be accomplished to the insurance body, the longer problem of power off time.

Description

Portable outdoor high-voltage fuse replacement assistor

Technical Field

The utility model relates to an outdoor high-pressure insurance changes technical field, specifically is a assistor is changed to portable outdoor high-pressure insurance.

Background

PT is also called as an inductive voltage transformer, which converts the high voltage of main equipment of a power grid into low voltage by adopting an electromagnetic induction principle so as to realize the monitoring of the main equipment of the power grid by a measuring, controlling and protecting device, is important equipment of a transformer substation, needs to arrange a high-voltage fuse at a PT power supply side for preventing the body from being damaged and the fault from being enlarged when a 35kV-PT inductance coil has an internal fault, but the high-voltage fuse can be fused due to the reasons of resonance, long-time grounding of a circuit and the like in the operation process, the fused fuse must be replaced in time to avoid PT secondary voltage loss at the moment, but the outdoor 35kV-PT high-voltage fuse adopts a built-in structure, has complicated replacing processes, consumes time and labor, and cannot realize multi-person operation at one side of the high altitude due to the large spring elasticity in a fuse body, the one person at high altitude cannot reach a normal mounting, the fuse body cannot be assembled in the high altitude, the fuse body is required to be disassembled to the ground to complete replacement of the fuse tube, the fuse tube can be replaced in the high altitude only by disassembling the fuse body, and the power failure time is long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assistor is changed to portable outdoor high-pressure insurance, it is simple to possess the change flow, the time is short, one-man operation and need not dismantle the advantage on ground with the insurance body, it adopts built-in structure more to have solved outdoor 35kV-PT high-pressure insurance, it is numerous and diverse to change the flow, it wastes time to consume effort, in the field work, because this internal spring force of insurance is very big, the single unable end cover that makes in high altitude reaches normal mounted position, and because of the restriction of operation face, can't realize high altitude unilateral many people's operation, it must dismantle ground with the insurance body to cause the unable equipment in high altitude of insurance body, accomplish the change of insurance pipe, need dismantle the high altitude change that the insurance body could accomplish the insurance pipe, the longer problem of.

In order to achieve the above object, the utility model provides a following technical scheme: a portable outdoor high-voltage fuse replacement assistor comprises a high-voltage fuse tube and an L-shaped clamping plate, wherein the top of an end cover of the high-voltage fuse tube is in contact with the bottom of the L-shaped clamping plate, a first fixing ring is movably sleeved on the front side of the surface of the high-voltage fuse tube, a second fixing ring is movably sleeved on the rear side of the back of the high-voltage fuse tube, one end of the first fixing ring and one end of the second fixing ring are movably connected with a first threaded rod through a rotating shaft, a round hole is formed in the right side of the top of the L-shaped clamping plate, the top of the first threaded rod penetrates through an inner cavity of the round hole and extends to the top of the L-shaped clamping plate, a clamping hole is formed in the left side of the top of the L-shaped clamping plate, a nut is sleeved on the surface thread of one end of the first threaded rod, the bottom of the nut, the utility model discloses a quick-witted, including first solid fixed ring, first fixed ring, second solid fixed ring, the top of standpipe and the right side fixed connection of L type cardboard bottom, the first fixed plate of positive left side fixedly connected with of first solid fixed ring, the left side fixedly connected with second fixed plate at the solid fixed ring back of second, the back of second fixed plate has the U template through pivot swing joint, the front of U template is run through and is provided with the second threaded rod, the inner chamber to the U template is run through to the rear end of second threaded rod, second threaded rod and U template threaded connection.

Preferably, the two sides of the nut are fixedly connected with first knobs, and the front sides of the two sides of the second threaded rod are fixedly connected with second knobs.

Preferably, the front surface of the first fixing plate is provided with a clamping groove, the rear end of the second threaded rod is movably connected with a support through a bearing, and the back surface of the support extends to the inner cavity of the clamping groove and is in contact with the back surface of the inner cavity of the clamping groove.

Preferably, a bearing is arranged between the second threaded rod and the support, and the bearing is sleeved on the surface of the second threaded rod.

Preferably, the diameter of the round hole is larger than that of the first threaded rod, and the diameter of the round hole is the same as the inner diameter of the vertical pipe.

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

1. the utility model has the advantages of simple replacement process, short time, single-person operation and no need of disassembling the fuse body to the ground through the cooperation of the high-voltage fuse tube, the L-shaped clamping plate, the first fixing ring, the second fixing ring, the first threaded rod, the round hole, the clamping hole, the nut, the vertical tube, the first fixing plate, the second fixing plate, the U-shaped plate and the second threaded rod, solves the problems that the outdoor 35kV-PT high-voltage fuse adopts a built-in structure, the replacement process is complicated and time-consuming, in the field work, because the spring elasticity in the fuse body is very large, the end cover can not reach the normal installation position by a single person in the high altitude, and the high-altitude single-side multi-person operation can not be realized due to the limitation of the operation surface, the fuse body can not be assembled in the high altitude, the fuse body can be disassembled to the ground, the replacement of the fuse tube, the power failure time is long.

2. The utility model discloses a set up U template and second threaded rod, be convenient for fix the surface at high-pressure protective tube with first solid fixed ring and the solid fixed ring of second, need not to fix through special spanner and bolt, through setting up first knob and second knob, make nut and second threaded rod more convenient laborsaving when rotating respectively, through setting up draw-in groove and support, it is more stable to fixed between first fixed plate and the second fixed plate, thereby it is more stable to make first solid fixed ring and the solid fixed ring of second fix the surface at high-pressure protective tube, through setting up the bearing, fix the support, after the back of support contacts with the inner wall of draw-in groove, make the support do not receive second threaded rod pivoted influence as far as possible.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the connection structure of the U-shaped plate and the second threaded rod of the present invention;

FIG. 3 is a schematic view of the top view of the L-shaped clip board of the present invention;

fig. 4 is the structure schematic diagram of the L-shaped clamping plate viewed from the left.

In the figure: 1 high-pressure protective tube, 2L type cardboard, 3 first solid fixed ring, 4 solid fixed ring of second, 5 first threaded rods, 6 round holes, 7 calorie of holes, 8 nuts, 9 standpipe, 10 first fixed plate, 11 second fixed plates, 12U template, 13 second threaded rods, 14 first knob, 15 second knob, 16 draw-in grooves, 17 supports.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a portable outdoor high-voltage fuse replacement auxiliary device comprises a high-voltage fuse tube 1 and an L-shaped clamping plate 2, wherein the top of an end cover of the high-voltage fuse tube 1 is in contact with the bottom of the L-shaped clamping plate 2, a first fixing ring 3 is movably sleeved on the front side of the surface of the high-voltage fuse tube 1, a second fixing ring 4 is movably sleeved on the rear side of the back of the high-voltage fuse tube 1, one end of the first fixing ring 3 and one end of the second fixing ring 4 are movably connected with a first threaded rod 5 through a rotating shaft, a round hole 6 is formed in the right side of the top of the L-shaped clamping plate 2, the top of the first threaded rod 5 penetrates through the inner cavity of the round hole 6 and extends to the top of the L-shaped clamping plate 2, a clamping hole 7 is formed in the left side of the top of the L-shaped clamping plate 2, a nut 8 is sleeved on the surface of the first threaded rod 5 at one end of the, the top of the vertical tube 9 is fixedly connected with the right side of the bottom of the L-shaped clamping plate 2, the left side of the front of the first fixing ring 3 is fixedly connected with a first fixing plate 10, the left side of the back of the second fixing ring 4 is fixedly connected with a second fixing plate 11, the back of the second fixing plate 11 is movably connected with a U-shaped plate 12 through a rotating shaft, the front of the U-shaped plate 12 is provided with a second threaded rod 13 in a penetrating way, the rear end of the second threaded rod 13 penetrates into the inner cavity of the U-shaped plate 12, the second threaded rod 13 is in threaded connection with the U-shaped plate 12, the first fixing ring 3 and the second fixing ring 4 are conveniently fixed on the surface of the high-pressure fuse tube 1 through the arrangement of the U-shaped plate 12 and the second threaded rod 13, the fixation is not required to be carried out through a special spanner and a special bolt, the two sides of the nut 8 are fixedly connected with first knobs, the nut 8 and the second threaded rod 13 are respectively more convenient and labor-saving when rotating, the front surface of the first fixing plate 10 is provided with a clamping groove 16, the rear end of the second threaded rod 13 is movably connected with a support 17 through a bearing, the back surface of the support 17 extends to the inner cavity of the clamping groove 16 and contacts with the back surface of the inner cavity of the clamping groove 16, the fixing between the first fixing plate 10 and the second fixing plate 11 is more stable by arranging the clamping groove 16 and the support 17, so that the first fixing ring 3 and the second fixing ring 4 are fixed on the surface of the high-pressure fuse 1 more stably, a bearing is arranged between the second threaded rod 13 and the support 17, the bearing is sleeved on the surface of the second threaded rod 13, the diameter of the round hole 6 is larger than that of the first threaded rod 5, the diameter of the round hole 6 is the same as the inner diameter of the vertical pipe 9, the support 17 is fixed by arranging the bearing, the support 17 is not influenced by the rotation of the second threaded rod 13 as much as possible, the high-voltage fuse tube 1, the L-shaped clamping plate 2, the first fixing ring 3, the second fixing ring 4, the first threaded rod 5, the round hole 6, the clamping hole 7, the nut 8, the vertical tube 9, the first fixing plate 10, the second fixing plate 11, the U-shaped plate 12 and the second threaded rod 13 are matched, the high-voltage fuse has the advantages of simple replacement process, short time and no need of disassembling the fuse body to the ground, the problems that the outdoor 35kV-PT high-voltage fuse adopts a built-in structure, the replacement process is complicated, the labor consumption and the time are wasted, in-situ work, because the spring elasticity in the fuse body is very large, the end cover cannot reach the normal installation position by a single person at high altitude, and the operation of a single-side of the high altitude cannot be realized due to the limitation of an operation surface, the fuse body, the replacement of the fuse tube is completed, the high-altitude replacement of the fuse tube can be completed only by disassembling the fuse body, and the power failure time is long.

When the L-shaped clamping plate is used, the first fixing ring 3 and the second fixing ring 4 are fixed at appropriate positions on the surface of the high-pressure fuse 1, the U-shaped plate 12 is rotated, the second knob 15 is rotated by a hand, the second knob 15 is rotated to drive the second threaded rod 13 to rotate, the second threaded rod 13 is rotated to drive the first threaded rod and the support 17 to move backwards, the back surface of the support 17 is inserted into the clamping groove 16, the back surface of the support 17 is in close contact with the back surface of the inner cavity of the clamping groove 16 along with the rotation of the first knob 14, the first fixing plate 10 and the second fixing plate 11 are further fixed, the first fixing ring 3 and the second fixing ring 4 are fixed on the surface of the high-pressure fuse 1, the L-shaped clamping plate 2 is clamped at the top of the end cover of the high-pressure fuse 1, the second knob 15 is rotated by the forward direction of the hand, the forward rotation of the second knob 15 drives the nut 8 to rotate and, in the process of unscrewing the screw, keep the pressure that L type cardboard 2 pushed down to the end cover to in the bullet of end cover is opened, the back is twisted off to the screw, with hand antiport second knob 15, the antiport of second knob 15 drives the reverse rotation of nut 8 and rises, make L type cardboard 2 exert pressure to the end cover of high-pressure protective tube 1, in order to offset inside spring tension, along with the antiport of second knob 15 releases inside spring tension gradually, the release is finished the back and is taken off the end cover and change the high-pressure insurance.

All parts used in the application document are standard parts and can be purchased from the market, and the specific connection mode of all parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and detailed description is not given here.

In summary, the following steps: the portable outdoor high-voltage fuse replacement assistor is characterized in that a high-voltage fuse tube 1, an L-shaped clamping plate 2, a first fixing ring 3, a second fixing ring 4, a first threaded rod 5, a round hole 6, a clamping hole 7, a nut 8, a vertical tube 9, a first fixing plate 10, a second fixing plate 11, a U-shaped plate 12 and a second threaded rod 13 are matched, the problems that outdoor 35kV-PT high-voltage fuses are mostly of built-in structures, the replacement process is complicated, the labor and the time are wasted, and in the field work are solved, because the spring in the safety body has large elasticity, the end cover can not reach the normal installation position by a single person at high altitude, and because of the restriction of the operation surface, the one-sided multi-person operation in the high altitude can not be realized, cause the insurance body can't assemble in the high altitude and must dismantle the insurance body to the ground, accomplish the change of protective tube, need dismantle the insurance body can accomplish the high altitude change of protective tube, the problem that the power off time is longer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an assistor is changed to portable outdoor high-pressure insurance, includes high-pressure protective tube (1) and L type cardboard (2), its characterized in that: the top of the end cover of the high-voltage fuse (1) is in contact with the bottom of the L-shaped clamping plate (2), a first fixing ring (3) is movably sleeved on the front side of the surface of the high-voltage fuse (1), a second fixing ring (4) is movably sleeved on the rear side of the back of the high-voltage fuse (1), one end of the first fixing ring (3) and one end of the second fixing ring (4) are movably connected with a first threaded rod (5) through a rotating shaft, a round hole (6) is formed in the right side of the top of the L-shaped clamping plate (2), the top of the first threaded rod (5) penetrates through the inner cavity of the round hole (6) and extends to the top of the L-shaped clamping plate (2), a clamping hole (7) is formed in the left side of the top of the L-shaped clamping plate (2), a nut (8) is sleeved on the surface thread of one end, located at the top of the L-shaped clamping plate (2), of the, the utility model discloses a quick-witted, including first threaded rod (5), first solid fixed ring (3), first solid fixed ring (4), first solid fixed ring (5) is located the surperficial movable sleeve of L type cardboard (2) bottom one end and is equipped with standpipe (9), the top of standpipe (9) and the right side fixed connection of L type cardboard (2) bottom, first solid fixed ring (3) positive left side fixedly connected with first fixed plate (10), the left side fixedly connected with second fixed plate (11) at the solid fixed ring of second (4) back, the back of second fixed plate (11) has U template (12) through pivot swing joint, the front of U template (12) is run through and is provided with second threaded rod (13), the inner chamber to U template (12) is run through to the rear end of second threaded rod (13), second threaded rod (13) and U.

2. The portable outdoor high-voltage fuse replacement aid as recited in claim 1, wherein: the two sides of the nut (8) are fixedly connected with first knobs (14), and the front sides of the two sides of the second threaded rod (13) are fixedly connected with second knobs (15).

3. The portable outdoor high-voltage fuse replacement aid as recited in claim 1, wherein: draw-in groove (16) have been seted up in the front of first fixed plate (10), the rear end of second threaded rod (13) has support (17) through bearing swing joint, the back of support (17) extends to the inner chamber of draw-in groove (16) and with the back contact of draw-in groove (16) inner chamber.

4. A portable outdoor high-voltage fuse replacement aid as recited in claim 3, wherein: and a bearing is arranged between the second threaded rod (13) and the support (17), and the bearing is sleeved on the surface of the second threaded rod (13).

5. The portable outdoor high-voltage fuse replacement aid as recited in claim 1, wherein: the diameter of the round hole (6) is larger than that of the first threaded rod (5), and the diameter of the round hole (6) is the same as the inner diameter of the vertical pipe (9).

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