CN112934503A - Spraying device for mutual inductor wet voltage withstand test - Google Patents

Abstract

The invention discloses a spray device for wet pressure withstand test of a transformer, comprising a main support frame, a lifting aluminum alloy frame, a rain draining mechanism and a protection mechanism. The lifting aluminum alloy frame is slidably connected to a main support frame. Inside, the rain shower mechanism is arranged on the upper left end of the lifting aluminum alloy bracket, and the protection mechanism is arranged on the right side of the main support frame. The spray device used for the wet voltage withstand test of the transformer is driven by starting the deceleration motor to drive the take-up wheel to rotate, so that the take-up wheel can perform the operation of releasing or receiving the wire rope, so that the lifting and lowering aluminum alloy bracket can be By moving up and down along the slide rail, the height of the rain shower mechanism can be adjusted according to the experimental height. The structure is simple and easy to operate, which avoids the situation that the height of the existing spray device cannot be adjusted flexibly, and improves its practicability. Suitable for wet withstand voltage test of transformers.

Description

Spraying device for mutual inductor wet voltage withstand test

Technical Field

The invention relates to the technical field of testing and detecting of electrical equipment simulation environment, in particular to a spraying device for a mutual inductor wet voltage withstand test.

Background

The existing rain spray test equipment is mainly modified according to IP waterproof test requirements, the rain rate requirements of horizontal components and vertical components required by electrical tests cannot be met, and most box type spray equipment in the market cannot be applied to wet pressure-resistant spray tests of electrical products such as mutual inductor insulators and the like due to the high-voltage safety distance. At present, the environmental rain test device and the test method for the electrical equipment such as the mutual inductor mainly comprise the following types of test devices. (1) The high-voltage electrical appliance rain test equipment comprises a chassis, a water tank, a stand column, a spraying frame, a lifting mechanism and a water supply system, wherein the whole equipment is arranged on the chassis borne by four steel wheels, and movable spraying can be realized. (2) The large-scale rain environment simulation test system is designed and manufactured by taking key parameters such as rainfall area, rainfall intensity and rainfall uniformity as indexes, and adjustment of the indexes is achieved.

However, some existing rain test spraying devices have many defects, the flexibility and the practicability are relatively poor, and partial equipment is too complex in design for achieving a certain performance, the cost is relatively high, and the practicability is not high on the contrary.

Disclosure of Invention

The invention aims to provide a spraying device for a mutual inductor wet voltage withstand test, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spray set for mutual-inductor wet withstand voltage test, includes main tributary strut, lift aluminum alloy support, row's of drenching with rain mechanism and protection machanism, lift aluminum alloy support sliding connection is in the inside of main tributary strut, it arranges the mechanism and sets up in the upper left end of lift aluminum alloy support to drench with rain, protection machanism sets up in the right side of main tributary strut.

The rain-spraying row mechanism comprises an aluminum alloy support and a spraying pipe, the spraying pipe is fixedly installed on the left side of the aluminum alloy support, a nozzle is fixedly installed on the left side of the spraying pipe, a connector is fixedly installed at the lower end of the spraying pipe, and a rotating shaft is fixedly installed on the right side of the aluminum alloy support.

The protection mechanism comprises a fixed column and an inserting column, the inserting column is inserted into the upper end of the fixed column in an inserting mode, a buffering spring is sleeved on the column body of the inserting column, a buffering plate is fixedly mounted at the top end of the inserting column, a second spring groove is formed in the bottom of the buffering plate, and the buffering spring is fixedly mounted inside the second spring groove.

Preferably, the upper end of the fixed column is provided with a jack, the jack is internally inserted with an inserting column, the bottom end of the inserting column is fixedly provided with a limiting block, the upper end of the fixed column is provided with a first spring groove, and the first spring groove is fixedly provided with a buffer spring.

Preferably, the upper surface right-hand member fixed mounting of main tributary strut has the counter weight water tank, there is the water pump in the inside of counter weight water tank, the water pump delivery port is connected with the water inlet hose, the last fixed surface of counter weight water tank installs the fixed column, the bottom fixed mounting of main tributary strut has the truckle, the quantity of truckle is four, and four the truckle is fixed mounting respectively in the bottom four corners of main tributary strut, the bottom of counter weight water tank is connected with the drain valve.

Preferably, the lower limit switch is fixedly mounted at the lower end of the right side of the main support frame, the speed reduction motor is fixedly mounted in the middle of the right side of the main support frame, a take-up pulley is fixedly mounted on an output shaft of the speed reduction motor, a steel wire rope is connected inside a wheel groove of the take-up pulley, and the other end of the steel wire rope is connected with the lifting aluminum alloy support.

Preferably, the top fixed mounting of main tributary strut has the pulley, main tributary strut's right side upper end fixed mounting has last limit switch, main tributary strut's left side fixed mounting has the slide rail, the inside sliding connection of slide rail has the removal slider, the left side fixed mounting who removes the slider has lift aluminum alloy support.

Preferably, the upper end of the lifting aluminum alloy support is rotatably connected with a push rod motor through a pin shaft, the right end of the push rod motor is fixedly provided with a retreating limit switch, the left end of the push rod motor is fixedly provided with an advancing limit switch, the left end of the push rod motor is hinged with the aluminum alloy support through a pin shaft, and the left upper end of the aluminum alloy support is rotatably connected with a rotating shaft.

Preferably, the upper left end of the lifting aluminum alloy support is provided with a towline groove, and a water inlet hose is arranged inside the towline groove.

Preferably, the water inlet end of the connector is connected with a water inlet hose.

Compared with the prior art, the invention provides the spraying device for the wet withstand voltage test of the mutual inductor. The method has the following beneficial effects:

1. this a spray set for mutual-inductor wet withstand voltage test drives the take-up pulley through starting gear motor and rotates, makes the take-up pulley can unreel the rope or receive the operation of receipts rope to wire rope, makes lift aluminum alloy support can reciprocate along the slide rail, can highly carry out highly adjusting to rain drainage mechanism according to the experiment, and simple structure is convenient for operate, has avoided the condition that current spray set's high fixed can't be adjusted in a flexible way, has improved its practicality.

2. This a spray set for mutual-inductor wet withstand voltage test through starting the push rod motor, makes the flexible end of push rod motor promote the regulation to aluminum alloy support, makes aluminum alloy support use the axis of rotation to carry out the angle modulation of slant downwards or slant upwards as the center, has improved the angle of drenching the spraying greatly, and the convenience is drenched to different angles and is spouted and carry out the experiment, has improved experimental effect.

3. This a spray set for mutual-inductor wet withstand voltage test sets up the buffer board through the upper surface at the counter weight water tank, can protect the counter weight water tank, and when the top of counter weight water tank received the striking, the buffer board was because the impact moved down this moment, and buffer spring pressurized production buffering elasticity is alleviated the impact, and then protects the counter weight water tank, has improved the life of counter weight water tank.

4. This a spray set for mutual-inductor wet withstand voltage test, the operation safety when effectively having solved high-voltage electrical product live test, each item performance index of experimental requirement has been guaranteed, the experimental principle is clear, high durability and convenient operation, experimental effect surveyability, can require real-time adjustment according to each product test, application scope is extensive, except can realizing experimental regulation requirement, the production and manufacturing cost of its device is not high, simple manufacture technology, material cost is lower, economic benefits is good, the integral moving formula structure, it is convenient to move, even change the experimental place and also need not professional dismouting, along with putting along with using, it all can only fix a place practicality to have avoided a lot of devices in the past, in case take place to move, equipment probably is torn open and the condition that can not normal use operate.

Drawings

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

FIG. 2 is a schematic structural view of an aluminum alloy frame according to the present invention;

FIG. 3 is a schematic structural view of the raining row mechanism of the present invention;

FIG. 4 is a schematic structural view of the main support frame of the present invention;

fig. 5 is a schematic structural diagram of the protection mechanism of the present invention.

In the figure: the device comprises a main support frame 1, a lifting aluminum alloy support frame 2, a rain draining mechanism 3, an aluminum alloy support frame 301, a spraying pipe 302, a nozzle 303, a rotating shaft 304, a connector 305, a protection mechanism 4, a fixed column 401, a first spring groove 402, a buffer spring 403, an inserting column 404, a second spring groove 405, a buffer plate 406, an upper limit switch 5, a drag chain line groove 6, a retreat limit switch 7, a push rod motor 8, a pulley 9, a steel wire rope 10, an advancing limit switch 11, a water inlet hose 12, a counterweight water tank 13, a movable caster 14, a drain valve 15, a movable sliding block 16, a lower limit switch 17, a guide rail 18, a speed reducing motor 19 and a take-up pulley 20.

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a spray set for mutual-inductor wet withstand voltage test, includes main tributary strut 1, lift aluminum alloy support 2, row's of drenching with the rain mechanism 3 and protection machanism 4, 2 sliding connection in the inside of main tributary strut 1 of lift aluminum alloy support, row's of drenching with the rain mechanism 3 sets up in the upper left end of lift aluminum alloy support 2, and protection machanism 4 sets up in the right side of main tributary strut 1.

Rain row mechanism 3 includes aluminum alloy support 301, drenches spray tube 302 fixed mounting in aluminum alloy support 301's left side, drenches spray tube 302's left side fixed mounting have nozzle 303, drenches spray tube 302's lower extreme fixed mounting have connector 305, and aluminum alloy support 301's right side fixed mounting has axis of rotation 304.

The protection mechanism 4 comprises a fixed column 401 and an inserting column 404, wherein the inserting column 404 is inserted in the upper end of the fixed column 401, a buffer spring 403 is sleeved on the column body of the inserting column 404, a buffer plate 406 is fixedly installed at the top end of the inserting column 404, a second spring groove 405 is formed in the bottom of the buffer plate 406, the buffer spring 403 is fixedly installed in the second spring groove 405, an inserting hole is formed in the upper end of the fixed column 401, the inserting column 404 is inserted in the inserting hole, a limiting block is fixedly installed at the bottom end of the inserting column 404, a first spring groove 402 is formed in the upper end of the fixed column 401, the buffer spring 403 is fixedly installed in the first spring groove 402, the buffer plate 406 is arranged on the upper surface of the counterweight water tank 406, the counterweight water tank 406 can be protected, when the upper side of the counterweight water tank 406 is impacted, the buffer plate 406 moves downwards due to the impact force, the buffer spring 403 generates buffer elastic, thereby protecting the ballast water tank 406 and prolonging the service life of the ballast water tank 406.

A counterweight water tank 13 is fixedly installed at the right end of the upper surface of the main support frame 1, a water pump is arranged inside the counterweight water tank 13, a water inlet hose 12 is connected to a water outlet of the water pump, a fixing column 401 is fixedly installed on the upper surface of the counterweight water tank 13, a movable caster 14 is fixedly installed at the bottom of the main support frame 1, the number of the movable casters 14 is four, the four movable casters 14 are respectively and fixedly installed at four corners of the bottom of the main support frame 1, a drain valve 15 is connected to the bottom of the counterweight water tank 13, a lower limit switch 17 is fixedly installed at the lower end of the right side of the main support frame 1, a speed reducing motor 19 is fixedly installed in the middle of the right side of the main support frame 1, a take-up pulley 20 is fixedly installed on an output shaft of the speed reducing motor 19, a steel wire rope 10 is connected inside a wheel groove of the take, a slide rail 18 is fixedly arranged on the left side of the main support frame 1, a moving slide block 16 is connected inside the slide rail 18 in a sliding manner, a lifting aluminum alloy support 2 is fixedly arranged on the left side of the moving slide block 16, the upper end of the lifting aluminum alloy support 2 is rotatably connected with a push rod motor 8 through a pin shaft, a retreat limit switch 7 is fixedly arranged on the right end of the push rod motor 8, a forward limit switch 11 is fixedly arranged on the left end of the push rod motor 8, the left end of the push rod motor 8 is hinged with an aluminum alloy support 301 through a pin shaft, the left upper end of the aluminum alloy support 301 is rotatably connected with a rotating shaft 304, the telescopic end of the push rod motor 8 can push and adjust the aluminum alloy support 301 by starting the push rod motor 8, the aluminum alloy support 301 can be obliquely adjusted downwards or obliquely upwards by taking the rotating shaft 304 as the center, the spraying angle, the left upper end of the lifting aluminum alloy bracket 2 is provided with a towline slot 6, a water inlet hose 12 is arranged inside the towline slot 6, the water inlet end of the connector 305 is connected with the water inlet hose 12, the take-up pulley 20 is driven to rotate by starting the speed reduction motor 19, the take-up pulley 20 can carry out rope releasing or rope receiving operation on the steel wire rope 10, the lifting aluminum alloy bracket 2 can move up and down along the slide rail 18, the height of the rain drainage mechanism 3 can be adjusted according to the experimental height, the structure is simple and convenient to operate, the condition that the height of the existing spraying device is fixed and cannot be adjusted flexibly is avoided, the practicability is improved, the operation safety during the live test of a high-voltage electrical product is effectively solved, various performance indexes required by the test are ensured, the test principle is clear, the operation is convenient, the test effect is clear, and the real-time adjustment can be carried out, the device has the advantages of wide application range, low production and manufacturing cost, simple manufacturing process, lower material cost, good economic benefit, integral movable structure and convenient moving, does not need professional disassembly and assembly even if the test site is replaced, can be used along with placement, and avoids the condition that a plurality of devices can only be fixed in one site for practical use in the prior art, and equipment can be disassembled and damaged to be incapable of being normally used and operated once the devices are moved.

In the actual operation process, when the device is used, the speed reduction motor 19 is started to drive the take-up pulley 20 to rotate, so that the take-up pulley 20 can be used for releasing or receiving the steel wire rope 10, the lifting aluminum alloy support 2 can move up and down along the slide rail 18, the height of the rain drainage mechanism 3 can be adjusted according to the experimental height, the structure is simple, the operation is convenient, the condition that the height of the existing spraying device cannot be flexibly adjusted due to fixing is avoided, and the practicability of the device is improved; by starting the push rod motor 8, the telescopic end of the push rod motor 8 can push and adjust the aluminum alloy support 301, so that the aluminum alloy support 301 can be subjected to angle adjustment obliquely downwards or obliquely upwards by taking the rotating shaft 304 as a center, the spraying angle is greatly improved, tests can be conveniently carried out on spraying at different angles, and the test effect is improved; through set up buffer board 406 at the upper surface of counter weight water tank 406, can protect counter weight water tank 406, when counter weight water tank 406's top received the striking, buffer board 406 was because the striking moves down this moment, and buffer spring 403 pressurized produces buffering elasticity and is alleviated the striking power, and then protection counter weight water tank 406 has improved counter weight water tank 406's life.

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 (8)

1. a spray device for wet pressure withstand test of transformer, comprising main support frame (1), lifting aluminum alloy support (2), rain draining mechanism (3) and protection mechanism (4), it is characterized in that : the elevating aluminum alloy bracket (2) is slidably connected to the inside of the main support bracket (1), the rain shower mechanism (3) is arranged on the upper left end of the elevating aluminum alloy bracket (2), the protection mechanism (4) ) is arranged on the right side of the main support frame (1); The rain shower and drain mechanism (3) comprises an aluminum alloy bracket (301) and a spray pipe (302), the spray pipe (302) is fixedly installed on the left side of the aluminum alloy bracket (301), and the spray pipe (301) The nozzle (303) is fixedly installed on the left side of the (302), the lower end of the shower pipe (302) is fixedly installed with a connecting head (305), and the right side of the aluminum alloy bracket (301) is fixedly installed with a rotating shaft ( 304); The protection mechanism (4) comprises a fixing post (401) and a plug (404), the plug (404) is inserted into the upper end of the fixing post (401), and the cylinder of the plug (404) is sleeved There is a buffer spring (403), a buffer plate (406) is fixedly installed on the top of the post (404), and a second spring groove (405) is opened at the bottom of the buffer plate (406), and the second spring groove A buffer spring (403) is fixedly installed inside (405). 2 . The spray device for wet pressure withstand test of transformer according to claim 1 , characterized in that: the upper end of the fixing column ( 401 ) is provided with a jack, and the inside of the jack is plugged in. 3 . There is a post (404), the bottom end of the post (404) is fixedly installed with a limiting block, and the upper end of the fixing post (401) is provided with a first spring groove (402), the first spring groove (402) ) is fixedly installed with a buffer spring (403). 3. A spray device for wet pressure withstand test of transformer according to claim 1, characterized in that: a counterweight water tank (13) is fixedly installed on the right end of the upper surface of the main support frame (1), There is a water pump inside the counterweight water tank (13), a water inlet hose (12) is connected to the water outlet of the water pump, and a fixing column (401) is fixedly installed on the upper surface of the counterweight water tank (13). The bottom of the main support frame (1) is fixedly installed with movable casters (14), the number of the movable casters (14) is four, and the four movable casters (14) are respectively fixedly installed on the main support frame (14). 1), a drain valve (15) is connected to the bottom of the counterweight water tank (13). 4. A spray device for wet pressure withstand test of transformer according to claim 1, characterized in that: a lower limit switch (17) is fixedly installed on the lower end of the right side of the main support frame (1), A deceleration motor (19) is fixedly installed in the middle part of the right side of the main support frame (1), and a wire take-up wheel (20) is fixedly installed on the output shaft of the deceleration motor (19). A steel wire rope (10) is connected inside the wheel groove, and the other end of the steel wire rope (10) is connected with a lifting aluminum alloy bracket (2). 5. A spray device for wet pressure withstand test of transformer according to claim 1, characterized in that: a pulley (9) is fixedly installed on the top of the main support frame (1), and the main support An upper limit switch (5) is fixedly installed on the upper end of the right side of the frame (1), a slide rail (18) is fixedly installed on the left side of the main support frame (1), and the inside of the slide rail (18) is slidably connected with a A moving slider (16) is fixedly mounted on the left side of the moving slider (16) with a lifting aluminum alloy bracket (2). 6. A spray device for wet voltage withstand test of transformer according to claim 1, characterized in that: the upper end of the elevating aluminum alloy bracket (2) is rotatably connected with a push rod motor (8) through a pin shaft. ), the right end of the push rod motor (8) is fixedly installed with a backward limit switch (7), the left end of the push rod motor (8) is fixedly installed with a forward limit switch (11), and the push rod motor ( 8) An aluminum alloy bracket (301) is hingedly connected to the left end through a pin shaft, and a rotating shaft (304) is rotatably connected to the upper left end of the aluminum alloy bracket (301). 7. A spray device for wet voltage withstand test of transformer according to claim 1, characterized in that: the upper left end of the elevating aluminum alloy bracket (2) is provided with a drag chain slot (6), A water inlet hose (12) is arranged inside the drag chain line slot (6). 8 . The spray device for wet pressure withstand test of a transformer according to claim 1 , wherein a water inlet hose ( 12 ) is connected to the water inlet end of the connecting head ( 305 ). 9 .

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