KR102067803B1 - A high and low voltage distribution panel having earthquake-proof construction - Google Patents

Abstract

The present invention relates to a shock-absorbing structure of a distribution board with a rubber elastic body and a dual spring which has a short-absorbing unit to be installed to enable vertical movement and free rotation between the ground and a distribution board and a plurality of elastic members enduring distortion due to vibration of the ground, thereby effectively blocking vibration generated from the ground in multi-directions. More specifically, the present invention comprises: a lower plate (10) fixedly installed on the ground; an upper plate (20) accommodating the distribution board in a state of being spaced at a regular height from the lower plate (10); one or more upright stands (30) having the shape of a shaft with an elastic member (32) wound around an outer circumference edge to be installed in a separate space between the lower plate (10) and the upper plate (20); a shock-absorbing unit (40) including a housing (41) installed downwards from a central area of the upper plate and a rotating body (42) installed to be able to slide vertically and to rotate freely within an internal space of the housing in a state of being seated on a central area of the lower plate; and a variable shock-absorbing member (50) being passed through the outer circumference of the shock-absorbing unit (40) and installed spirally from an upper surface of the lower plate (10) to a lower surface of the upper plate (20).

Description

 Variable cushioning base of earthquake-proof switchgear with double springs with tension control {A high and low voltage distribution panel having earthquake-proof construction}

The present invention relates to a shock absorbing base of a seismic switchgear having a double spring with a tension control function which prevents a safety accident by expressing a shock absorbing function during earthquake changes due to an earthquake. A shock absorbing unit is installed between the ground and the switchboard to allow vertical movement, as well as free rotation, and a plurality of elastic members to withstand the warpage caused by the vibration of the ground. The present invention relates to a variable shock absorbing base of a seismic switchgear with a double spring with tension control.

In general, a switchboard is a device that constantly puts and manages switches, relays, relays, etc. for the operation and control of power plants and substations, and the operation of electric motors. It protects the above devices from the same external influence.

As an example of a switchboard as described above, Korean Utility Model Publication No. 20-0485961 discloses a switchboard enclosure door fixing device, and the technology includes a first magnetic member coupled to a lower portion, and a ring portion formed on an upper portion of a first magnetic member. A door attachment portion attached to the front surface of the door by the door, a wire accommodating portion for accommodating the wire, and a binding portion for binding to the hook portion at one end of the wire, and a lower portion of the wire accommodating portion. Consists of a second magnetic member, and a main body portion attached to the switchboard case by the second magnetic member. In the prior art having the above configuration, the operator can arbitrarily adjust the opening angle of the switchgear enclosure door at the time of inspecting the switchboard, so that the installation or repair work of the switchboard can be performed quickly and safely.

Since the various devices installed inside the switchboard all share high-voltage current, it is desirable to use a switchboard case that has durability and safety. Particularly, it is possible to safely protect the switchboard from vibration caused by natural disasters. Should be

Accordingly, shock absorbing structures have been developed that are provided with shockproof resistance by actively utilizing materials having elasticity of their own, such as springs, silicon, and rubber.

For example, Korean Patent Application Publication No. 10-2011-0036874 discloses a seismic device for a switchgear using a seismic spring, and the technology has a housing installed on the bottom of the switchgear in a height-adjustable manner, and the inner space of the housing. The fixing plate is inserted to support the ground, and the spring is interposed between the housing and the fixing plate, which causes the spring to cushion the fixing plate and the housing to alleviate the shaking of the ground caused by an earthquake.

In another example, Korean Patent Publication No. 10-1768031 discloses a seismic unit for water distribution front and rear using a spring, and the related art has a cylindrical shape vertically inclined so as to be inserted into an outer periphery of a vertically mounted plate spring and a plate spring. It consists of a fastening bolt which is made of elastic body of the plate and arranged through the plate spring so that the switchboard can be mutually connected with the ground through the seismic unit, and the plate spring vertically installed between the ground and the switchboard is generated by external environmental factors. To suppress the vertical vibration, and the elastic body installed as wrapping the outer circumference of the dish spring serves to suppress the horizontal vibration caused by the external environmental factors.

However, the shock absorbing base of the seismic switchgear including the prior arts exemplified above cannot control the elastic force or the buffering force, so that vibrations generated in various sizes cannot be effectively prevented, and the elastic member of the shock absorbing base worn over time is replaced. This was very difficult.

Therefore, the shock absorbing base of the shock absorbing base can be extended in response to the strength of the vibration to actively block unnecessary movements to prolong the life of the shock absorbing structure and further protect the switchboard. It is urgent.

Korean Utility Model Publication No. 20-0485961 "Distribution board enclosure door fixing device" Korean Patent Publication No. 10-2011-0036874 "An Earthquakeproof Device for Switchgear Using Seismic Spring" Korean Patent Publication No. 10-1768031 "Anti-earthquakeproof unit for water distribution front and rear using plate spring"

The present invention was created in order to more actively solve the above problems, by installing an elastic body between the switchboard and the ground to configure the safe to protect the switchboard from vibration during earthquake, as well as to respond to the progress of various sizes The shock absorbing base for the variable earthquake switchgear can control the vibrations generated from various angles by controlling the buffering force itself to suppress unnecessary movement of the buffer structure and to allow free rotation between the switchgear and the buffer structure within the optimum range. Providing is a challenge.

In order to achieve the above problem, the configuration of a shock absorbing switchboard having a double spring with a tension control function proposed in the present invention is as follows.

The present invention is a buffer base is installed on the bottom of the switchboard, the lower plate 10 is fixedly installed on the ground; and the upper plate 20 for receiving the switchboard in a state spaced at a predetermined height from the lower plate 10; and, on the outer periphery At least one installation stand 30 is formed in the form of a shaft wound around the elastic member 32, the lower plate 10 and the upper plate 20; And, the housing 41 is installed downward in the center region of the upper plate And a shock absorbing unit 40 including a rotatable body 42 which is installed in the inner space of the housing in a state seated in the center area of the lower plate so as to be able to slide upward and downward and free rotation; and the outer periphery of the shock absorbing unit 40. It is characterized in that consisting of; buffer member 50 is installed in a spiral from the upper surface of the lower plate 10 to the bottom surface of the upper plate 20 via.

In addition, the upper stand 30 is composed of an elastic member 32 of the flat spring material, and a pair of washers 33 interposed at the upper and lower ends of the elastic member to induce an increase in pressing force of the elastic member and prevention of detachment. It is characterized by.

In addition, the buffer member 50 is characterized in that the plurality of springs 51 is a conical spring stacked up and down.

In addition, the buffer member 50 is characterized in that the support plate 52 is further configured to cause tension between the spring (51).

In addition, the upper shock absorbing unit 40 is provided with a fitting shaft (42a) on the bottom surface of the rotating body 42, the upper fitting shaft (42a) is installed through the lower plate 10 without a separate restraining means to provide a rotating body It is characterized by seating on the top of the lower plate.

In addition, the upper shock absorbing unit 40 is provided with a fitting shaft 42a at the upper end of the rotating body 42, the upper bolt portion is fastened by a nut through the upper plate 20, the lower plate 10 in accordance with the tightening of the nut ) And the tension of the buffer member 50 is controlled while the separation distance of the upper plate is adjusted.

According to the present invention having the above-described configuration, it is possible to effectively absorb the minute vibration by the plurality of standing tables sandwiched between the lower plate and the upper plate and the elastic member wound around the outer stand, and interposed between the lower plate and the upper plate. The stand is composed of a simple coupling structure such as bolt fastening can be replaced quickly and easily when the elastic member is worn, it is easy to install and manage.

In addition, the present invention is a vibration unit that can be generated from a variety of angles made by the buffer unit installed in the center region of the lower plate and the upper plate and the free rotation in multiple angles and the twist and return between the seismic switchgear and the buffer base is quick and free There is another effect that you can actively respond to.

In addition, the present invention has another advantage that can control the height of the housing and the rotating body of the shock absorbing unit from the lower plate and the upper plate to control the elastic force between the lower plate and the upper plate to a fine level.

In addition, the present invention is to install at least one buffer member in the outer peripheral region of the shock absorbing unit to strengthen the buffering force of the buffer base, and yet another form that can be quickly returned to the original buffer structure deformed by vibration It works.

On the other hand, the buffer base of the present invention is a repetitive according to the individual buffer of the buffer member disposed on the upper side and the buffer member disposed on the lower side relative to the support plate is further installed on each stacking surface of the buffer member is stacked arrangement Vibration control is possible, so that the vibration can be absorbed within a fine range, as well as has the effect of actively improving the durability of the buffer base.

1 is a perspective view of a shock absorbing base of the seismic switchgear having a double spring with a tension adjustment function constituted by a preferred embodiment of the present invention.
2 is a perspective view of a shock absorbing base constituted by a preferred embodiment of the present invention.
3 is an exploded perspective view of FIG. 2;
4 is a cross-sectional view of the buffer unit.
5 to 6 is a state diagram used in FIG.

Hereinafter, with reference to the accompanying drawings will be described in a batch about the configuration of the present invention and its effects, effects.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be embodied in various different forms, and only the present embodiments may make the disclosure of the present invention complete and common knowledge in the technical field to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. And like reference numerals refer to like elements throughout the specification.

The present invention relates to a variable shock-absorbing base of a seismic switchgear having a double spring with a tension control function, which can prevent a safety accident in advance by suppressing the shaking of the switchgear when the earthquake changes due to earthquakes.

Above all, a vibration unit that is installed between the ground and the switchboard as well as vertical movement as well as free rotation is provided, and a plurality of elastic members to withstand the distortion caused by the vibration of the ground more effectively to the vibration generated in multiple angles in the ground Note that it is related to the shock absorbing base of a seismic switchgear with a double spring with a tension control that can block.

1 is a perspective view of a seismic switchgear having a double spring with a tension adjustment function configured by a preferred embodiment of the present invention.

As illustrated in FIG. 1, at least one buffering base of the present invention is disposed at each corner of the bottom of the switchboard to buffer vibrations entering the ground for each corner of the switchboard or to have a size corresponding to the bottom area of the switchboard. The buffer base of the seismic switchgear can be induced by the buffer.

2 is a perspective view of a shock absorbing base constructed by a preferred embodiment of the present invention.

As shown in Figure 2, the buffer base 1 of the present invention is installed in close contact with the ground, the lower plate 10 to guide the basic arrangement of the switchgear; and the lower plate is arranged at a predetermined height spaced apart from the seating of the switchboard It consists of a top plate 20; and, a plurality of standing table 30 which is interposed in the space between the bottom plate and the top plate to separate the top plate from the bottom plate. And although not shown in Figure 2 is installed in the center region of the lower plate and the upper plate buffer unit 40 to maintain the original position at all times while controlling the movement of the lower plate and the upper plate due to vibration; and, spirally installed on the outer periphery of the buffer unit And a buffer member 50 for imparting a substantial buffer effect to the buffer structure.

Figure 3 is an exploded perspective view showing a coupling relationship of the buffer base configured according to a preferred embodiment of the present invention.

As shown in FIG. 3, the lower plate 10 of the buffer base 1 is firmly fixed to the ground using an anchor bolt along each circumference, and the upper plate 20 is disposed to be spaced apart from the lower plate by a predetermined height. . And in accordance with the counterbore provided in each corner of the lower plate and the upper plate is interposed the standing table 30 in the separation space of the lower plate and the upper plate.

In addition, the housing 41 is assembled by bolts in the center region of the bottom of the upper plate 20, and the lower plate 10 is fitted with the rotary body 42 on the same vertical line as the housing.

For example, the upper rotating body 42 is provided with a fitting axis 42a protruding vertically downward from the bottom of the rotating body so as to be fixed to the lower plate, the upper end of the rotating body made of a circular sphere The head part 42d is provided, and the assembly is performed with the head part of the rotating body inserted into the inner space of the housing 41.

For example, it will be obvious that the shock absorbing member 50 should be disposed first between the lower plate 10 and the upper plate 20 before the housing 41 and the pivot 42 are connected to each other.

The buffer member 50 uses the spring 51 is formed by bending the wire in a spiral, the spring consisting of various shapes and thicknesses, such as round or square, so as to give elastic strength of various strengths depending on the installation environment of the buffer structure Can be used.

On the other hand, the spring 51 of the present invention is characterized by using a conical spring that gradually narrows in diameter toward one end in order to give stable shaking and excellent elasticity of the buffer structure (1), A plurality of springs having a lower height than the separation height of the lower plate 10 and the upper plate 20 are prepared and vertically stacked.

In addition, the plurality of springs 51 stacked up and down further arrange a support plate 52 made of a circle or a polygon for each of the parts contacted with each other by lamination, and the springs disposed on the upper side of the springs arranged on the basis of the support plates disposed between the springs ( 51) and the springs arranged on the lower side were configured to be given an individual elastic function.

Here, by configuring the elastic force of the spring 51 provided on the upper side and the spring provided on the lower side with respect to the support plate 52, the buffering force is further exhibited according to the strength of vibration generated in the ground. .

Meanwhile, the stand 30 has a shape of a medium length bolt made of a hard material such as steel, and is inserted from a plurality of counterbore formed in the upper plate 20 and installed in the vertical direction up to the lower plate.

The upper stand 30 is a space between the lower plate 10 and the upper plate 20 to form a space of a predetermined height to ensure the installation space of the buffer unit 40 while the elastic member wound around the stand of the stand 32 ) To mitigate the strength of vibration generated from the ground.

On the other hand, the upper stand 30 has a washer 33 is additionally interposed between the lower plate 10 and the elastic member 32 and between the upper plate 20 and the elastic member, so that the elastic member is separated from the lower plate or the upper plate. It prevents, and when the external force is applied to the lower plate to the upper plate serves to induce an active supplement to improve the buffering force of the elastic member.

The stand 30 of the above configuration has a damping unit installed in the central region of the lower plate and the upper plate by maintaining the separation distance between the lower plate 10 and the upper plate 20 basically even though the shaft portion 31 is made of a steel material. 40) can be safely protected, and also through the elastic member 32 wound on the outer periphery of the shaft actively absorbs the load added to the shaft by vibration to extend the life of the buffer base.

Here, the washer 33 evenly distributes the load provided from the lower plate 10 to the upper plate 20 to the front surface of the elastic member 32 so that the elastic member is completely contracted vertically without twisting.

Figure 4 is a cross-sectional view showing a coupling relationship of the shock absorbing unit constituted by a preferred embodiment of the present invention.

As illustrated in FIG. 4, the shock absorbing unit 40 of the present invention includes a housing 41 installed downward in the center region of the upper plate 10 and an upper and lower slide in the inner space of the housing in a state seated in the center region of the lower plate. It consists of the rotating body 42 installed so that free rotation is possible.

The upper housing 41 is configured in the form of a jar provided with a space for moving a predetermined interval vertically and vertically in the state in which the head 42d of the rotating body 42 is inserted therein, the upper housing 20 The position is assigned by the bolt coupling with the bottom of the.

The upper rotating body 42 has a fitting shaft 42a penetrating through the central region of the lower plate 10, a plurality of tightening portions 42b extending from the lower end of the fastening portion to limit the depth of penetration of the fitting shaft, and a tightening portion. It consists of a body portion 42c extending upward from the top of, and the head portion 42d made of a circular sphere shape at the end of the body portion.

Here, the upper body portion 42c has a length corresponding to the depth of the inner space of the housing and the pivoting body 42 is configured to reach the innermost of the inner space of the housing.

5 to 6 is a state diagram of the use of the variable buffer base of the switchboard having a rubber elastic body and a double spring constituted by a preferred embodiment of the present invention.

As illustrated in FIG. 5, when the buffer base 1 of the present invention has a uniform load applied to the front surface of the upper plate 20, all of the elastic members 32 provided in the plurality of stand 30 are pressed. The separation distance between the lower plate 10 and the upper plate is narrowed.

At this time, the downward movement of the upper plate 20 is made by the pivoting body 42 of the shock absorbing unit 40 riding down the inner surface of the inner space provided by the housing 41.

On the other hand, the cushioning member 50 installed on the outer periphery of the shock absorbing unit 40 has a uniform elastic force is applied by the support plate 52, the same shrinkage occurs while the load is applied to the upper plate 20, the load is removed If it is immediately returned to its original shape, the elastic member 32 of the upper plate and the stand 30 may be restored to its original form.

6 illustrates a shape in which the buffer base is twisted by the buffer when the load is intensively applied to any one side of the upper plate 20. For example, when the load is intensively applied to the left side of the upper end, the corresponding position is shown. Only the elastic member 32 of the stand 30 sandwiched in the contraction so that the top plate has an inclination angle to the left.

At this time, the rotating body 42 installed on the bottom of the upper plate 20 is rotated to the left on the inner space of the housing 41, the inner space of the housing by the head 42d made of a circular sphere Accurate rotation is induced in the phase.

According to the shock-absorbing base of the seismic switchgear having a double spring with a tension control function of the present invention configured as described above, the fine vibration effectively absorbed by the elastic member wound on the plurality of standing tables and the standing tables interposed between the lower plate and the upper plate. Can be placed between the lower plate and the upper plate is made of a simple coupling structure, such as bolt fastening can be replaced quickly and easily when the wear of the elastic member is easy to install and manage.

In addition, the shock absorbing unit installed freely in the center area of the lower plate and the upper plate can be freely rotated by multiple movements of the upper and lower slides, so that the warpage and return of the switchboard and the buffer structure can be quickly and freely and actively respond to vibrations that may occur at various angles. In addition, the height of the housing and the rotating body of the buffer unit can be adjusted from the lower plate and the upper plate to control the elastic force between the lower plate and the upper plate to a fine level. In addition, by stacking at least one buffer member in the outer peripheral region of the buffer unit to strengthen the buffering force of the buffer base, the buffer base deformed by vibration can be quickly returned to the original state, furthermore, the buffer base is A support plate is further provided for each stacking surface of the buffer members arranged in a stack so that the buffer member disposed on the upper side and the buffer member disposed on the lower side of the buffer member are repeatedly cushioned to allow repeated vibration control. In addition to being able to absorb within the range, it is possible to actively improve the durability of the buffer base.

Although the present invention described above has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments may be made by those skilled in the art. Should be clarified. Therefore, the true technical protection scope of the present invention should be interpreted by the appended claims, and all technical ideas within the equivalent scope should be construed as being included in the scope of the present invention.

10. Bottom 20. Top
30. Standing stand 31. Shaft
32. Elastic member 40. Shock absorbing unit
41. Housing 42. Rotating Body
50. Shock absorbing member 51. Spring
52. Support Plate
1. Damping base

Claims (6)

In the buffer base installed in the bottom of the switchboard,
A lower plate 10 fixedly installed on the ground;
An upper plate 20 accommodating the switchboard in a state spaced apart from the lower plate 10 by a predetermined height;
The stand 30 is formed in the form of a shaft wound around the outer member the elastic member 32, at least one or more installed in the space between the lower plate 10 and the upper plate 20;
A shock absorbing unit including a housing 41 installed downward in the center region of the upper plate, and a rotating body 42 installed in the inner space of the housing in a state seated in the center region of the lower plate such that the upper and lower slides are freely rotatable. 40);
A buffer member 50 installed in a spiral manner from an upper surface of the lower plate 10 to a lower surface of the upper plate 20 via an outer circumference of the buffer unit 40;
Consisting of ,
The upper housing 41 is configured in the form of a jar provided with a space for moving a predetermined interval vertically and vertically in a state in which the head 42d of the rotating body 42 is inserted therein, the upper housing is the bottom surface of the upper plate 20 Position is assigned by means of
The upper rotating body 42 has a fitting shaft 42a penetrating the central region of the lower plate 10, a multi-pitch tightening portion 42b extending from the lower end of the fastening portion to limit the depth of penetration of the fitting shaft, and a tightening portion. It consists of a body portion 42c extending upward from the top of the head portion 42d of a circular sphere shape at the end of the body portion,
The upper body portion 42c has a length corresponding to the depth of the inner space of the housing, the rotating body 42 is a double spring with a tension control function, characterized in that configured to reach the innermost of the inner space of the housing Variable shock-absorbing base with seismic switchgear The method of claim 1,
The stand 30 is composed of a flat spring material elastic member 32, and a pair of washers 33 are interposed on the upper and lower ends of the elastic member to induce increased pressure and prevent separation of the elastic member. Variable shock-absorbing base of seismic switchgear with double spring with tension adjustment function.
The method of claim 1,
The shock absorbing member 50 is a variable shock absorbing base of the earthquake-proof switchgear having a double spring with a tension control function, characterized in that the plurality of springs 51 is formed in a vertically stacked form.
The method of claim 3,
Upper spring (51) is a variable shock-absorbing base of the seismic switchgear combines a double spring with a tension control, characterized in that the conical spring.
The method of claim 3,
The shock absorbing member 50 is a variable shock absorbing base of the seismic switchgear having a double spring with a tension control, characterized in that the support plate 52 is further configured to induce tension between the spring (51).
The method of claim 1,
The upper shock absorbing unit 40 is provided with a fitting shaft 42a on the bottom of the rotating body 42,
The upper fitting shaft (42a) is a variable shock absorbing base of the earthquake-proof switchgear having a double spring with a tension adjustment function, characterized in that the pivoting body is seated on the top of the lower plate by being installed through the lower plate 10 without a separate restraining means.

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