CN110729106A

CN110729106A - Waterproof structure for outdoor power transformer

Info

Publication number: CN110729106A
Application number: CN201910961629.5A
Authority: CN
Inventors: 吴文广
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-01-24

Abstract

The invention discloses a waterproof structure for an outdoor power transformer, which comprises a lower waterproof box, a supporting plate and a connecting mechanism, wherein the connecting mechanism is arranged between an upper connecting frame and a lower connecting frame, a rotating rod is rotated to drive a limiting block to rotate and be parallel to a linking groove, so that a T-shaped rod and the rotating rod move backwards under the elastic force of a compression spring, the first V-shaped frame is pulled by the T-shaped rod to contract backwards, the U-shaped clamping plate is pulled by the first V-shaped frame to move leftwards to be separated from the inner side of a clamping groove of a positioning block, and then the power transformer is maintained.

Description

Waterproof structure for outdoor power transformer

Technical Field

The invention relates to the technical field of waterproof structures, in particular to a waterproof structure for an outdoor power transformer.

Background

The principle of the power transformer is based on the electromagnetic induction principle, the power transformer consists of a closed iron core and a winding, the number of turns of a primary winding of the power transformer is small, and the power transformer is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the power transformer, the number of turns of a secondary winding is large, the power transformer is connected in series in a measuring instrument and a protection loop, and a secondary loop of the power transformer is always closed when the power transformer works, so that the impedance of a series coil of the measuring instrument and the protection loop is small, and the working state of the power transformer is; in order to prevent the power transformer from being corroded and damaged by external rainwater, a waterproof structure is generally required to be installed outside the power transformer to protect the safety of the personnel of the equipment.

When waterproof construction is after long-time the use, because use bolt fixed mounting waterproof construction's shell usually, and the power transformer mounting point is mostly outdoor for a bolt for fixing easily because of long-time use rusts the corrosion damage, causes waterproof construction not hard up and forms the potential safety hazard, dismantles slowly when needs are maintained simultaneously, brings inconvenience for work.

Disclosure of Invention

Technical problem to be solved

In order to overcome prior art not enough, the waterproof construction for outdoor power transformer that now provides, solved when waterproof construction is long-time the use back, owing to use bolt fixed mounting waterproof construction's shell usually, and the power transformer mounting point is mostly outdoor for the bolt that is used for fixing rusts the corrosion damage because of long-time the use easily, causes waterproof construction not hard up and forms the potential safety hazard, dismantles slowly when needing the maintenance simultaneously, brings inconvenient problem for work.

(II) technical scheme

The invention is realized by the following technical scheme: the invention provides a waterproof structure for an outdoor power transformer, which comprises a lower waterproof box, a supporting plate and a connecting mechanism, wherein the lower waterproof box is tightly attached to the bottom end surface of an upper waterproof box, the bottom end of the outer side of the upper waterproof box and the top end of the outer side of the lower waterproof box are respectively and fixedly provided with an upper connecting frame and a lower connecting frame, the connecting mechanism is arranged on the upper connecting frame and the lower connecting frame and consists of a shell, a positioning groove, a positioning block, a limiting mechanism, a T-shaped rod, a baffle plate, a compression spring, a first U-shaped plate, a first V-shaped frame, a second U-shaped plate, a second V-shaped frame, a U-shaped clamping plate and a guide plate, the shell is locked on the bottom end surface of the lower connecting frame, the positioning block is arranged on the bottom end surface of the upper connecting frame, the positioning block movably extends into the inner side of the positioning groove arranged on the top end surface of the lower connecting frame, the limiting, the T-shaped rod penetrates through the rear end face of the baffle plate and then is fastened to the rear end face of the first U-shaped plate, the baffle plate is locked to the bottom end face of the inner side of the shell, two ends of the compression spring are tightly attached to the rear end face of the inner side of the T-shaped rod and the rear end face of the baffle plate respectively, the first U-shaped plate slides back and forth along the inner side of the shell, the middle part and the left and right ends of the rear end of the first V-shaped frame are rotatably connected with the first U-shaped plate, the second U-shaped plate and the inner side of the U-shaped clamping plate respectively, the second U-shaped plate is locked to the left part of the bottom end face of the inner side of the shell, the left and right ends of the second V-shaped frame are rotatably connected with the second U-shaped plate and the inner side of the U-shaped clamping plate respectively, the U-shaped clamping plate slides left.

Furthermore, the supporting plate is installed on the bottom end face of the lower waterproof box, the top end face of the supporting plate is provided with an installation hole, the upper connecting frame is tightly attached to the top end face of the lower connecting frame, the outer side of the top end face of the lower connecting frame is pasted with the sealing strip, and the sealing strip is matched in the sealing groove formed in the outer side of the bottom end face of the upper connecting frame.

Furthermore, stop gear comprises bull stick, thru hole, linking groove and stopper, the bull stick activity is stretched into the thru hole inboard of seting up in shell rear end face left side, and bull stick outside front end activity nestification in T type pole rear end face middle part, link up both ends about the thru hole inboard is seted up to the groove symmetry, two are installed to the stopper symmetry in both ends middle part about the bull stick, and the stopper slides around linking the inslot inboard for the bull stick is rotating 90 back stopper and is hugged closely in the inboard rear end face of shell.

Furthermore, the first V-shaped frame and the second V-shaped frame are formed by combining two connecting plates which are symmetrical left and right, and the rotating angle of the two connecting plates is 150-180 degrees.

Furthermore, the U-shaped clamping plate is I-shaped, and the right end of the outer side of the U-shaped clamping plate is flat and platy.

Furthermore, the outer diameter of the rear end face of the T-shaped rod is 0.5cm larger than that of the compression spring, and the end face of the outer side of the T-shaped rod is smooth and burr-free.

Furthermore, the rotating rod is in an inverted T shape, and anti-skid stripes are arranged at the rear end of the outer side of the rotating rod.

Furthermore, a sealing rubber strip is arranged at the top end of the outer side of the positioning groove and tightly attached to the end face of the outer side of the positioning block.

Furthermore, the rear end face of the shell is flush with the rear end face of the lower connecting frame, and the height of the shell is 10 cm.

Furthermore, the compression spring is made of stainless steel.

Furthermore, the rotating rod is made of aluminum alloy.

(III) advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

in order to solve the problems that after a waterproof structure is used for a long time, a shell of the waterproof structure is usually fixedly installed by using bolts, the installation points of a power transformer are mostly outdoor, so that the bolts used for fixing are easy to rust and corrode and damage due to long-time use, the waterproof structure is loosened, the potential safety hazard is formed, meanwhile, the disassembly is slow when maintenance is needed, and the inconvenience is brought to work, the T-shaped rod and the rotating rod are moved backwards by the elastic force of the compression spring by arranging the connecting mechanism between the upper connecting frame and the lower connecting frame and driving the limiting block to rotate by rotating the rotating rod to be parallel to the connecting groove, meanwhile, the first V-shaped frame is pulled by the T-shaped rod to contract backwards, the U-shaped clamping plate is pulled by the first V-shaped frame to move leftwards to be separated from the inner side of the clamping groove of the positioning block, then, the, prevent that the bolt from using not hard up for a long time, dismantle waterproof construction shell more fast simultaneously, bring convenient beneficial effect for work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

FIG. 2 is a schematic view of the connection mechanism of the present invention;

FIG. 3 is a schematic top sectional view of the housing of the present invention;

fig. 4 is an enlarged view of the structure at the position a of the present invention.

In the figure: the waterproof structure comprises a lower waterproof box-1, a support plate-2, a mounting hole-3, an upper waterproof box-4, an upper connecting frame-5, a lower connecting frame-6, a sealing strip-7, a connecting mechanism-8, a shell-81, a positioning groove-82, a positioning block-83, a limiting mechanism-84, a T-shaped rod-85, a baffle-86, a compression spring-87, a first U-shaped plate-88, a first V-shaped frame-89, a second U-shaped plate-810, a second V-shaped frame-811, a U-shaped clamping plate-812, a guide plate-813, a rotating rod-841, a through hole-842, a connecting groove-843 and a limiting block-844.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 2, 3 and 4, the present invention provides a waterproof structure for an outdoor power transformer: the waterproof structure comprises a lower waterproof box 1, a supporting plate 2 and a connecting mechanism 8, wherein the lower waterproof box 1 is tightly attached to the bottom end face of an upper waterproof box 4, the bottom end of the outer side of the upper waterproof box 4 and the top end of the outer side of the lower waterproof box 1 are respectively and fixedly provided with an upper connecting frame 5 and a lower connecting frame 6, the connecting mechanism 8 is arranged on the upper connecting frame 5 and the lower connecting frame 6 and consists of a shell 81, a positioning groove 82, a positioning block 83, a limiting mechanism 84, a T-shaped rod 85, a baffle 86, a compression spring 87, a first U-shaped plate 88, a first V-shaped frame 89, a second U-shaped plate 810, a second V-shaped frame 811, a U-shaped clamping plate 812 and a guide plate 813, the shell 81 is locked on the bottom end face of the lower connecting frame 6, the positioning block 83 is arranged on the bottom end face of the upper connecting frame 5, the positioning block 83 movably extends into the inner side of the positioning groove 82 arranged on the top end face of, the T-shaped rod 85 penetrates through the rear end face of the baffle plate 86 and then is fastened to the rear end face of the first U-shaped plate 88, the baffle plate 86 is locked to the bottom end face of the inner side of the shell 81, two ends of the compression spring 87 are respectively clung to the rear end face of the inner side of the T-shaped rod 85 and the rear end face of the baffle plate 86, the first U-shaped plate 88 slides back and forth along the inner side of the shell 81, the middle part and the left and right ends of the rear end of the first V-shaped frame 89 are respectively rotatably connected with the inner sides of the first U-shaped plate 88, the second U-shaped plate 810 and the U-shaped clamping plate 812, the second U-shaped plate 810 is locked to the left part of the bottom end face of the shell 81, the left and right ends of the second V-shaped frame 811 are respectively rotatably connected with the inner sides of the second U-shaped plate 810 and the U-shaped clamping plate 812 slides left and right along the inner side of.

The supporting plate 2 is installed on the bottom end face of the lower waterproof box 1, the top end face of the supporting plate 2 is provided with the mounting hole 3, the upper connecting frame 5 is tightly attached to the top end face of the lower connecting frame 6, the outer side of the top end face of the lower connecting frame 6 is pasted with the sealing strip 7, the sealing strip 7 is matched in the sealing groove formed in the outer side of the bottom end face of the upper connecting frame 5, and the lower waterproof box 1 and the upper waterproof box 4 are further reinforced and waterproof conveniently.

The limiting mechanism 84 is composed of a rotating rod 841, a through hole 842, a joining groove 843 and a limiting block 844, wherein the rotating rod 841 movably extends into the inside of the through hole 842 arranged on the left side of the rear end face of the shell 81, the front end of the outer side of the rotating rod 841 is movably nested in the middle of the rear end face of the T-shaped rod 85, the joining groove 843 is symmetrically arranged at the left end and the right end of the inner side of the through hole 842, the limiting block 844 is symmetrically arranged at the middle of the left end and the right end of the rotating rod 841, and the limiting block 844 slides back and forth along the inner side of the joining groove 843, so that the limiting block 844 is tightly attached to the rear end face of the inner side of the shell 81 after the rotating rod 841 rotates.

The first V-shaped frame 89 and the second V-shaped frame 811 are formed by combining two connecting plates which are bilaterally symmetrical, and the rotating angle of the two connecting plates is 150-180 degrees, so that the first V-shaped frame 89 and the second V-shaped frame 811 can drive the U-shaped clamping plate 812 to move left and right.

The U-shaped clamping plate 812 is in an i-shaped shape, and the right end of the outer side of the U-shaped clamping plate 812 is in a flat plate shape, so that the U-shaped clamping plate 812 can be clamped more stably in the inner side of the clamping groove on the left end face of the positioning block 83.

The outer diameter of the rear end face of the T-shaped rod 85 is 0.5cm larger than that of the compression spring 87, and the outer end face of the T-shaped rod 85 is smooth and burr-free, so that the T-shaped rod 85 can slide in the baffle 86 quickly.

The rotating rod 841 is in an inverted T shape, and the rear end of the outer side of the rotating rod 841 is provided with anti-skid stripes to prevent sliding when the rotating rod 841 is rotated.

The top end of the outer side of the positioning groove 82 is provided with a sealing rubber strip, and the sealing rubber strip is tightly attached to the end face of the outer side of the positioning block 83, so that external moisture is prevented from entering the lower waterproof box 1 and the upper waterproof box 4.

Wherein, the rear end face of shell 81 is flushed in the rear end face of lower connecting frame 6 mutually, and the height of shell 81 is 10cm, improves whole aesthetic property.

Wherein, compression spring 87 material is stainless steel material, and corrosion resistance is stronger.

The rotating rod 841 is made of aluminum alloy.

From the above table, it can be seen that: the rotating rod 841 of the present invention is made of aluminum alloy and has light weight.

The patent states: the rotating rod 841 is made of aluminum alloy with low density, high strength, high plasticity, excellent conductivity, high heat conductivity, high corrosion resistance, etc. and may be produced into various shapes with excellent mechanical performance, physical performance and corrosion resistance.

The working principle is as follows: firstly, the device is integrally and fixedly installed at an appointed position through a mounting hole 3, then a power transformer is installed in a lower waterproof box 1 and an upper waterproof box 4, the lower waterproof box 1 and the upper waterproof box 4 are prevented from being contacted through an upper connecting frame 5 and a lower connecting frame 6, meanwhile, a sealing strip 7 enters the inner side of a groove part at the bottom of the upper waterproof box 4, the lower waterproof box 1 and the upper waterproof box 4 are further sealed and prevented from being water, when the power transformer in the lower waterproof box 1 and the upper waterproof box 4 needs to be maintained, a limiting block 844 can be driven to rotate 90 degrees by rotating a rotating rod 841, the limiting block 944 is parallel to a connecting groove 843 after rotating 90 degrees, so that a T-shaped rod 85 and the rotating rod 841 are backwards moved by the elasticity of a compression spring 87, meanwhile, the T-shaped rod 841 pulls a first V-shaped frame 89 to backwards shrink, and the first V-shaped frame 89 pulls a U-shaped clamping plate 812 to move leftwards to be separated from the left inner side of the positioning block 83 in the backwards shrinking process Meanwhile, the U-shaped clamping plate 812 extrudes the second V-shaped frame 811 in the process of moving leftwards, so that the second V-shaped frame 811 is extruded and compressed forwards, and when the clamping groove in the positioning block 83 is not limited by the U-shaped clamping plate 812, the upper waterproof box 4 can be pulled upwards, so that the upper waterproof box 4 drives the upper connecting frame 4 to move upwards to separate from the top end face of the lower connecting frame 6, and then the power transformer is maintained.

It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A waterproof structure for an outdoor power transformer comprises a lower waterproof box (1) and a supporting plate (2), wherein the lower waterproof box (1) is tightly attached to the bottom end face of an upper waterproof box (4), and an upper connecting frame (5) and a lower connecting frame (6) are respectively fastened to the bottom end of the outer side of the upper waterproof box (4) and the top end of the outer side of the lower waterproof box (1);

the method is characterized in that: the connecting mechanism (8) is arranged on the upper connecting frame (5) and the lower connecting frame (6), the connecting mechanism (8) is composed of a shell (81), a positioning groove (82), a positioning block (83), a limiting mechanism (84), a T-shaped rod (85), a baffle plate (86), a compression spring (87), a first U-shaped plate (88), a first V-shaped frame (89), a second U-shaped plate (810), a second V-shaped frame (811), a U-shaped clamping plate (812) and a guide plate (813), the shell (81) is locked on the bottom end face of the lower connecting frame (6), the positioning block (83) is arranged on the bottom end face of the upper connecting frame (5), the positioning block (83) movably extends into the inner side of the positioning groove (82) formed in the top end face of the lower connecting frame (6), the limiting mechanism (84) is arranged at the rear end of the inner side of the shell (81), the T-shaped rod (85) is arranged at the front end of the limiting mechanism (84), the T-shaped rod (85) penetrates through the rear end face of the baffle (86) and then is fastened to the rear end face of the first U-shaped plate (88), the baffle (86) is locked to the bottom end face of the inner side of the shell (81), two ends of the compression spring (87) are respectively clung to the rear end face of the inner side of the T-shaped rod (85) and the rear end face of the baffle (86), the first U-shaped plate (88) slides back and forth along the inner side of the shell (81), the middle part and the left and right ends of the rear end of the first V-shaped frame (89) are respectively connected with the first U-shaped plate (88), the second U-shaped plate (810) and the inner side of the U-shaped clamping plate (812) in a rotating mode, the second U-shaped plate (810) is locked to the left part of the bottom end face of the inner side of the shell (81), the left and right ends of the second V-shaped frame (811) are respectively connected with the inner sides of the second U, and the U-shaped clamping plate (812) penetrates through the left end face of the guide plate (813) and then is matched with the inner side of the clamping groove formed in the left end face of the positioning block (83), and the guide plate (813) is locked at the right part of the bottom end face of the inner side of the shell (81).

2. The waterproof structure for the outdoor power transformer of claim 1, wherein: backup pad (2) are installed in waterproof box (1) bottom face down, and backup pad (2) top face has seted up mounting hole (3), go up link (5) and hug closely in link (6) top face down, link (6) top face outside is pasted down and is had sealing strip (7), sealing strip (7) coincide mutually in the seal groove of seting up in link (5) bottom face outside.

3. The waterproof structure for the outdoor power transformer of claim 1, wherein: stop gear (84) comprise bull stick (841), thru hole (842), link up groove (843) and stopper (844), bull stick (841) activity is stretched into thru hole (842) inboard of seting up in shell (81) rear end face left side, and bull stick (841) outside front end activity nestification in T type pole (85) rear end face middle part, link up both ends about thru hole (842) inboard are seted up to groove (843) symmetry, stopper (844) symmetry is installed two and is in both ends middle part about bull stick (841), and stopper (844) slide around linking up groove (843) inboard for bull stick (841) hug closely in shell (81) inboard rear end face after rotating 90.

4. The waterproof structure for the outdoor power transformer of claim 1, wherein: the first V-shaped frame (89) and the second V-shaped frame (811) are formed by combining two connecting plates which are symmetrical left and right, and the rotating angle of the two connecting plates is 150-180 degrees.

5. The waterproof structure for the outdoor power transformer of claim 1, wherein: the U-shaped clamping plate (812) is I-shaped, and the right end of the outer side of the U-shaped clamping plate (812) is flat and platy.

6. The waterproof structure for the outdoor power transformer of claim 1, wherein: the outer diameter of the rear end face of the T-shaped rod (85) is 0.5cm larger than that of the compression spring (87), and the outer end face of the T-shaped rod (85) is smooth and burr-free.

7. The waterproof structure for the outdoor power transformer of claim 3, wherein: the rotating rod (841) is in an inverted T shape, and the rear end of the outer side of the rotating rod (841) is provided with anti-skid stripes.

8. The waterproof structure for the outdoor power transformer of claim 1, wherein: and a sealing rubber strip is arranged at the top end of the outer side of the positioning groove (82) and tightly attached to the end surface of the outer side of the positioning block (83).

9. The waterproof structure for the outdoor power transformer of claim 1, wherein: the rear end face of the shell (81) is flush with the rear end face of the lower connecting frame (6), and the height of the shell (81) is 10 cm.