CN111900634B - Telescopic substation equipment protection box - Google Patents
Telescopic substation equipment protection box Download PDFInfo
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- CN111900634B CN111900634B CN202010645025.2A CN202010645025A CN111900634B CN 111900634 B CN111900634 B CN 111900634B CN 202010645025 A CN202010645025 A CN 202010645025A CN 111900634 B CN111900634 B CN 111900634B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/14—Shutters or guards for preventing access to contacts
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Abstract
The invention discloses a telescopic substation equipment protection box, which comprises a shielding unit, wherein the shielding unit comprises a first shielding piece and a second shielding piece, the first shielding piece is divided into a first U-shaped groove and a first baffle, the second shielding piece is divided into a second U-shaped groove and a second baffle, and the second U-shaped groove is inserted into the first U-shaped groove; the telescopic unit comprises a sleeve positioned on the first U-shaped groove and a guide rod positioned on the second U-shaped groove, the sleeve is a cylinder with an opening at one end, and one end of the guide rod is inserted into the sleeve; the fastening unit comprises a connecting flange connected to two side faces of the notch of the first U-shaped groove, an L-shaped rod connected with the connecting flange, and a fastening piece connected with the L-shaped rod.
Description
Technical Field
The invention relates to the field of transformer substation safety, in particular to a telescopic transformer equipment protection box.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing the electric energy in an electric power system, and electric equipment in the transformer substation is divided into primary equipment and secondary equipment; at present, a plurality of devices are contained in a secondary device protection screen of a transformer substation; the inspection of the substation is that an attendant regularly inspects whether the appearance of the equipment is abnormal, such as whether the color is changed or not, whether impurities are present or not, whether the pointer indication is normal or not, whether the sound of the equipment is normal or not, whether abnormal odor is present or not, whether the temperature of the equipment allowed to be contacted is normal or not, and whether the running parameters of the electrical equipment are changed in the running process or not are measured, so as to judge whether the running condition of the equipment is normal or not, but under the normal condition, the operation object is a part of the equipment, and other unrelated devices, pressure plates and the like of the same screen cabinet are touched (moved) by mistake in the operation process, so that safety accidents are caused.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that the operation of mistakenly touching (moving) other unrelated devices, pressing plates and the like of the same screen cabinet is greatly possible in the process of judging whether the running state of the equipment is normal, so that safety accidents are caused.
In order to solve the technical problems, the invention provides the following technical scheme: a telescopic substation equipment protection box comprises a shielding unit, wherein the shielding unit comprises a first shielding piece and a second shielding piece, the first shielding piece is divided into a first U-shaped groove and a first baffle, the second shielding piece is divided into a second U-shaped groove and a second baffle, the second U-shaped groove is inserted into the first U-shaped groove, the opening directions of the second U-shaped groove and the first U-shaped groove are consistent, a sliding groove is formed in the side edge of the first U-shaped groove along the sliding direction of a guide rod, a sliding bulge is arranged on the side edge of the second U-shaped groove, and the sliding bulge is embedded into the sliding groove and can slide along the sliding groove; the telescopic unit comprises a sleeve positioned on the first U-shaped groove and a guide rod positioned on the second U-shaped groove, the sleeve is a cylinder with an opening at one end, and one end of the guide rod is inserted into the sleeve; and the fastening unit comprises a connecting flange connected to two side faces of the notch of the first U-shaped groove, an L-shaped rod connected with the connecting flange, and a fastening piece connected with the L-shaped rod.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: fastening unit symmetry sets up first U type groove both sides, L type pole one end with flange threaded connection, the other end are provided with the screw, lead screw and mounting plate are distinguished into to the fastener, the lead screw with the screw cooperation is connected.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: the first baffle with the one end that first U type groove notch is connected with first magnet, the second baffle with the one end that second U type groove notch is connected with the second magnet, first magnet and second magnet all adsorb on the metal surface.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: the first shielding piece is connected with a first mounting seat, the first mounting seat is provided with a first mounting hole, the sleeve is fixed in the first mounting hole, and the axial direction of the sleeve is consistent with the moving direction of the second shielding piece; the second shielding piece is connected with a second mounting seat, the second mounting seat is provided with a second mounting hole, and one end of the guide rod is fixed in the second mounting hole.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: a plurality of positioning teeth are uniformly arranged on the guide rod along the axial direction, each positioning tooth comprises an inclined surface and a vertical surface connected with the inclined surface, and the vertical surface is perpendicular to the axis of the guide rod; the inclined plane with contained angle between the perpendicular is the acute angle, the inclined plane is kept away from the one end of guide arm axle center to the slope of second mount pad direction, wherein two are adjacent form the constant head tank between the location tooth.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: the first shielding piece is further connected with a third mounting seat, the third mounting seat is connected with the open end of the sleeve, the third mounting seat is provided with a through hole, and the guide rod penetrates through the through hole and enters the sleeve; the third mount pad is followed the radial first movable groove that is provided with of through-hole, first movable groove is kept away from sealing screw is installed to the one end of guide arm, the reference column is installed to first movable groove, reference column one end is contradicted on the location tooth, the other end sealing screw passes through first elastic component and connects.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: the third mount pad still be provided with the second activity groove side by side in first activity groove, run through between first activity groove and the second activity groove and form the rotation region, the tank bottom in second activity groove is connected with the second elastic component, the second elastic component is connected with the operation post, it is provided with the hinge post in the rotation region, it has the rotation piece to articulate on the hinge post, rotate piece one end with the reference column is articulated, the other end with the operation post is articulated.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: the positioning column is connected with a first joint bearing, one end of the rotating part is inserted into the first joint bearing, the operating column is connected with a second joint bearing, and the other end of the rotating part is inserted into the second joint bearing.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: one end of the guide rod, which is positioned in the sleeve, is connected with a piston, a third elastic piece is arranged between the piston and the bottom of the sleeve, and a through air guide hole and a one-way assembly are arranged on the piston.
As a preferable aspect of the retractable substation equipment protection box of the present invention, wherein: one-way subassembly is including running through the exhaust hole of piston, being located spheroid and fourth elastic component in the exhaust hole, the exhaust hole is distinguished to be close to the first end of second mount pad is held with keeping away from the second of second mount pad, the diameter of second end is less than spheroidal diameter, spheroidal diameter is less than the diameter of second end, fourth elastic component is located between spheroid and the first end.
The invention has the beneficial effects that: this device possesses the function of sheltering from equipment such as non-operation device, clamp plate, terminal row in the protection screen cabinet to prevent the maloperation, adjust the length that shelters from the unit through the telescoping unit, and adsorb on the equipment surface that will protect through magnet, also accessible fastening unit centre gripping covers equipment, prevents to cause the mistake to touch when operating other equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic structural diagram illustrating an installation of a retractable substation equipment protection box according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a retractable substation equipment enclosure according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a retractable substation equipment protection box according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a guide rod in a retractable substation equipment protective box according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third mounting seat in a retractable substation equipment protective box according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram illustrating an operation principle of a third mounting seat in a retractable substation equipment protection box according to an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating a process of shortening the length of the retractable substation equipment protective box according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a short-stretch process in a retractable substation equipment enclosure according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a retractable substation equipment protective box in a longest state according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a retractable substation equipment protection box in a shortest state according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1-3, the embodiment provides a transformer substation prevents mistake and bumps device, including sheltering from unit 100, flexible unit 200 and fastening unit 300, shelter from the arbitrary device in any protection screen cabinet that unit 100 is applicable to the electric field, adjust the area that can cover through flexible unit 200, it makes to preferably the transparent material of material wherein shelters from unit 100, do not influence and observe non-operation device, be provided with the warning sign simultaneously, possess the warning effect, whole device is made for insulating material, prevent short circuit and contact, this device easily installs and is firm in addition.
Specifically, the shielding unit 100 includes a first shielding piece 101 and a second shielding piece 102, the first shielding piece 101 and the second shielding piece 102 can be combined into a cube with an opening on one side, the first shielding piece 101 is divided into a first U-shaped groove 101a and a first baffle 101b, the first baffle 101b is connected to one end of the first U-shaped groove 101a, the second shielding piece 102 is divided into a second U-shaped groove 102a and a second baffle 102b, the second baffle 102b is connected to one end of the second shielding piece 102, and the second U-shaped groove 102a is inserted into the first U-shaped groove 101a and has the same opening direction; the telescopic unit 200 comprises a sleeve 201 positioned on the first U-shaped groove 101a and a guide rod 202 positioned on the second U-shaped groove 102a, wherein the sleeve 201 is a cylinder with one open end, and the guide rod 202 is inserted into the sleeve 201 and can be telescopic in the sleeve 201; the sleeve 201 is fixed on the first U-shaped groove 101a, and the axial direction is the same as the sliding direction of the second U-shaped groove 102a, so that the guide rod 202 can extend and contract in the sleeve 201 when the second U-shaped groove 102a slides.
Preferably, a sliding groove 101c is formed on the side edge of the first U-shaped groove 101a along the sliding direction of the guide bar 202, the length of the sliding groove 101c is the same as the movable length of the first U-shaped groove 101a, a sliding protrusion 102c is formed on the side edge of the second U-shaped groove 102a, and the sliding protrusion 102c is embedded into the sliding groove 101c and can slide along the sliding groove 101 c; preferably, the sliding protrusion 102c is provided with a bearing to facilitate the sliding protrusion 102c sliding in the first U-shaped groove 101 a.
Further, when the device to be protected is not installed on a metal surface, the magnet cannot be attached to the surface, and thus the apparatus of the present embodiment further includes a fastening unit 300, and the fastening unit 300 can be manufactured in a plurality of different models, which can fix the shielding unit 100 to the device instead of the magnet. Specifically, the fastening unit 300 is a clamp device, and includes a connecting flange 301 connected to two side surfaces of a notch of the first U-shaped groove 101a, an L-shaped rod 302 connected to the connecting flange 301, and a fastening member 303 connected to the L-shaped rod 302, the connecting flange 301 is disposed on two sides of the first shielding member 101, the connection mode is a bolt connection, clamping can be achieved only by interaction of the two fastening units 300, so that the fastening units 300 are symmetrically disposed on two sides of the first U-shaped groove 101a, one end of the L-shaped rod 302 is fixed to the connecting flange 301, practical screw connection is achieved, in order to adapt to surfaces of devices with different sizes, the L-shaped rod 302 needs a plurality of different models, that is, a part connected to the connecting flange 301 needs models with different lengths, the fastening member 303 is connected to the other end of the L-shaped rod 302 and directly abuts against a side surface of the device, so that both sides of the electrical device are clamped by the fastening member 303, the shielding unit 100 is fixed.
Preferably, one end of the L-shaped rod 302 is in threaded connection with the connecting flange 301, the other end of the L-shaped rod is provided with a nut 302a, the nut 302a is welded on the L-shaped rod 302, the axis of a hole in the nut 302a is perpendicular to a surface of the fastener 303 contacting the equipment, the fastener 303 is divided into a screw rod 303a and a fastening plate 303b, the screw rod 303a is in fit connection with the nut 302a, so that the position of the screw rod 303a in the nut 302a can be adjusted, when the screw rods 303a on both sides rotate simultaneously, the two fastening plates 303b approach to each other, the equipment is clamped, and the shielding unit 100 is fixed; similarly, when the shielding unit 100 is checked down, the screw rod 303a is rotated to separate the fastening plate 303b from the surface of the device.
The implementation manner of the embodiment is as follows: when equipment in a secondary equipment protection screen of a transformer substation acts, the device shields irrelevant devices, a pressing plate and a terminal block, firstly, the length of a guide rod 202 in a sleeve 201 is adjusted according to the size of the equipment to be shielded, and then the volume of a protection shell formed by a first shielding piece 101 and a second shielding piece 102 is adjusted, when the guide rod 202 is adjusted, a second U-shaped groove 102a moves in a first U-shaped groove 101a along with the moving process of the guide rod 202, and meanwhile, a sliding protrusion 102c moves in a sliding groove 101c, so that the first shielding piece 101 and the second shielding piece 102 are prevented from inclining to influence the operation of the equipment; adjust to suitable size after, will shelter from unit 100 and cover on the equipment that will shelter from, its connected mode can select to use bolted connection, and is preferred, chooses for use magnet to connect, convenient dismantlement, when the face of the equipment fixing that will shelter from is non-metallic, then needs fastening unit 300 to fix.
Example 2
Referring to fig. 1 to 10, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: according to the above embodiment, the shielding unit 100 is connected to the device to be shielded by using a magnet.
Specifically, the end of the first baffle 101b connected with the notch of the first U-shaped groove 101a is connected with a first magnet 103, the first magnet 103 is a bar magnet, and can be adhered to the first baffle 101b by glue, the end of the second baffle 102b connected with the notch of the second U-shaped groove 102a is connected with a second magnet 104, and similarly, the second magnet 104 is a bar magnet and can be adhered to the first baffle 101b by glue, so that the first magnet 103 and the second magnet 104 are both adhered to the metal surface, and the shielding unit 100 can be fixed on the equipment installation surface.
Further, a first mounting seat 203 is connected to the first shielding piece 101, the first mounting seat 203 is fixed to the first shielding piece 101 by using screws, a first mounting hole 203a is formed in the first mounting seat 203, the sleeve 201 is fixed in the first mounting hole 203a by using glue, and the axial direction of the sleeve 201 is consistent with the moving direction of the second shielding piece 102; the second shielding member 102 is connected with a second mounting seat 204, the second mounting seat 204 is fixed on the second shielding member 102 through a screw, the second mounting seat 204 is provided with a second mounting hole 204a, and one end of the guide rod 202 is fixed in the second mounting hole 204 a.
Further, a plurality of positioning teeth 202a are uniformly arranged on the guide rod 202 along the axial direction, the positioning teeth 202 can fix the length of the shielding unit 100 at different length positions, the positioning teeth 202a have two working surfaces, including an inclined surface 202a-1 and a vertical surface 202a-2 connected with the inclined surface 202a-1, and the vertical surface 202a-2 is perpendicular to the axis of the guide rod 202; one advantage of the inclined surface 202a-1 forming an acute angle with the vertical surface 202a-2, and the end of the inclined surface 202a-1 away from the axis of the guide rod 202 being inclined toward the second mounting seat 204, wherein the positioning groove 202a-3 is formed between two adjacent positioning teeth 202a, is that the component engaged with the positioning tooth 202a can move along the inclined surface 202a-1 toward the next positioning tooth 202a in the positioning groove 202a-3, but cannot move toward the vertical surface 202 a-2.
Further, the first shielding element 101 is further connected with a third mounting seat 205, the third mounting seat 205 is connected with the open end of the sleeve 201, the third mounting seat 205 is provided with a through hole 205a, and the guide rod 202 penetrates through the through hole 205a and enters the sleeve 201, that is, the guide rod 202 penetrates through the third mounting seat 205 and then enters the sleeve 201; preferably, when the third mounting seat 205 is manufactured, in order to facilitate mounting other components, the third mounting seat 205 is manufactured by dividing into two parts, and the two parts are in a symmetrical relationship; the third mounting seat 205 is provided with a first movable groove 205b along the radial direction of the through hole 205a, the first movable groove 205b penetrates through the third mounting seat 205 from the through hole 205a, so as to facilitate installation of parts in the first movable groove 205b, one end of the first movable groove 205b, which is away from the guide rod 202, is provided with a sealing screw 206, the first movable groove 205b is provided with a positioning column 207, the positioning column 207 can slide in the first movable groove 205b, one end of the positioning column 207 abuts against the positioning tooth 202a, the other end of the positioning column 207 is connected by a first elastic member 208, the first elastic member 208 is a spring, so that one end of the positioning column 207 can abut against the positioning groove 202a-3 under the elastic force of the first elastic member 208, and the positioning column 207 can move towards the second mounting seat 204 along the inclined surface 202a-1 under the external force.
Further, since the positioning post 207 can move only in one direction on the positioning tooth 202a and is hindered by the vertical surface 202a-2 when moving in the other direction, the following components are provided so that the positioning post 207 can move in both directions; specifically, the third mounting seat 205 is further provided with a second movable groove 205c which is parallel to the first movable groove 205b, the second movable groove 205c is formed in the direction from the outer side of the third mounting seat 205 to the through hole 205a and does not penetrate through the through hole, a second elastic member 209 is connected to the bottom of the second movable groove 205c, the second elastic member 209 is connected to an operating column 210, the second elastic member 209 is also a spring, and thus, under the action of the elastic force, the operating column 210 tends to be separated from the second movable groove 205 c.
The first movable groove 205b and the second movable groove 205c penetrate through to form a rotating area 205d, a hinge column 205e is arranged in the rotating area 205d, the position of the hinge column 205e is preferably the middle position of the first movable groove 205b and the second movable groove 205c, a rotating member 211 is hinged on the hinge column 205e, the rotating member 211 is a long rod, a hole is formed in the center of the rotating member 211, the hole is hinged with the hinge column 205e, one end of the rotating member 211 is hinged with the positioning column 207, the other end of the rotating member 211 is hinged with the operation column 210, and therefore the rotating member 211 can rotate around the hinge column 205 e.
Further, the positioning column 207 is connected with a first joint bearing 207a, and the inside of the joint bearing is a sphere with a through hole, which is the prior art and is not described herein again. One end of the rotating element 211 is inserted into the first knuckle bearing 207a, the operating column 210 is connected with the second knuckle bearing 210a, and the other end of the rotating element 211 is inserted into the second knuckle bearing 210a, so that when the operating column 210 is pressed to contract the second elastic element 209, the rotating element 211 is driven to rotate, the positioning column 207 connected with the other end of the rotating element 211 moves in the opposite direction, namely moves in the direction of disengaging from the positioning teeth 202a, the first elastic element 208 is compressed, and when the positioning column 207 disengages from the positioning teeth 202a, the guide rod 202 can freely move in the through hole 205 a.
Preferably, the guide rod 202 cannot move within the through hole 205a and the sleeve 201 without limitation, which may damage the device; one end of the guide rod 202, which is located in the sleeve 201, is connected with a piston 212, a third elastic member 213 is arranged between the piston 212 and the bottom of the sleeve 201, the third elastic member 213 is a spring, and the elastic force of the third elastic member 213 enables the piston 212 to move towards the third mounting seat 205; further, the piston 212 is provided with a through air vent 212a and a one-way component 212b, the one-way component 212b adopts a one-way valve structure, so that the air in the sleeve 201 can be discharged through the air vent 212a and the one-way component 212b, and the external air can only enter the sleeve 201 through the air vent 212 a; the flow rate of the air vent 212a is much smaller than that of the one-way component 212b, so that when the length of the shielding unit 100 is shortened, the third elastic member 213 is compressed by the piston 212, the air in the sleeve 201 can be simultaneously discharged through the air vent 212a and the one-way component 212b, and when the length is reversed, the third elastic member 213 ejects the piston 212 to the third mounting seat 205, but since the external air can only enter the sleeve 201 through the air vent 212a and the flow rate of the air vent 212a is small, the piston 212 can only move slowly, and damage caused by sudden ejection is prevented.
Preferably, the one-way element 212b includes a discharge hole 212b-1 penetrating the piston 212, a ball 212b-2 positioned in the discharge hole 212b-1, and a fourth elastic member 212b-3, wherein the fourth elastic member 212b-3 is a spring, and the elastic force of the fourth elastic member 212b-3 pushes the ball 212b-2 against the discharge hole 212b-1, wherein the diameter of the discharge hole 212b-1 is greater than that of the gas guide hole 212 a; the vent hole 212b-1 is divided into a first end 212b-1a near the second mounting seat 204 and a second end 212b-1b far from the second mounting seat 204, the diameter of the second end 212b-1b is smaller than that of the ball 212b-2, the diameter of the ball 212b-2 is smaller than that of the second end 212b-1b, and the fourth elastic member 212b-3 is located between the ball 212b-2 and the first end 212b-1 a.
The working principle of the embodiment is as follows: when equipment in a protection screen of secondary equipment of a transformer substation is acted, the device shields irrelevant devices, a pressing plate and a terminal block, firstly, the length of a shielding unit 100 is adjusted according to the size of the equipment to be shielded, in an initial state, the shielding unit 100 is in a shortest state, at the moment, a piston 212 is close to the bottom of a sleeve 201, a third elastic piece 213 is compressed to be shortest, when the shielding unit 100 needs to be extended, an operation column 210 is pressed down to contract a second elastic piece 209, the second elastic piece drives a rotating piece 211 to rotate, a positioning column 207 connected with the other end of the rotating piece 211 moves in the opposite direction, namely moves in the direction of being separated from a positioning tooth 202a, the positioning column 207 is far away from a positioning groove 202a-3, the positioning tooth 202a is not limited any more, the piston 212 on a guide rod 202 starts to move in the direction of a third mounting seat 205 under the elastic force of the piston 212, and simultaneously, the shielding unit 100 extends, the stretching process is slow, because the space between the piston 212 and the sleeve 201 is enlarged, the air enters the sleeve 201 from the air guide hole 212a, but the flow of the air guide hole 212a is small, the air enters slowly, so the stretching process of the guide rod 202 is slow, and the sudden ejection and damage can not be caused, further, when the shielding unit 100 is stretched to a proper length, the operation column 210 is loosened, the operation column 210 is reset under the action of the second elastic piece 209, meanwhile, the positioning column 207 is also reset and inserted into the corresponding positioning groove 202a-3, at this time, the positioning tooth 202a is limited and can not move, the stretching length fixing of the shielding unit 100 is completed, further, the adjusted device is covered on the equipment to be shielded, and the first magnet 103 and the second magnet 104 are both adsorbed on the metal surface to complete the protection; when the device needs to be retracted, the device is taken down from the equipment, the volume of the device is reduced, and the device is convenient to store and has specific operation; only the second shielding member 102 needs to be pressed into the first shielding member 101, at this time, the guide rod 202 moves into the sleeve 201, one end of the positioning column 207 moves along the inclined surface 202a-1 in the positioning groove 202a-3, correspondingly, each time the first elastic member 208 is compressed, the guide rod 202 enters the sleeve 201 by the distance of one positioning tooth 202a until the shielding unit 100 is contracted to the shortest, and in this state, the gas in the sleeve 201 is simultaneously discharged from the gas guide hole 212a and the one-way component 212 b; the invention can adjust the internal size according to the actual size of the equipment, thereby covering the equipment, and has the advantages of easy installation, firmness, convenient disassembly and storage.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a telescopic substation equipment protection box which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the shielding unit (100) comprises a first shielding piece (101) and a second shielding piece (102), the first shielding piece (101) is divided into a first U-shaped groove (101 a) and a first baffle (101 b), the second shielding piece (102) is divided into a second U-shaped groove (102 a) and a second baffle (102 b), and the second U-shaped groove (102 a) is inserted into the first U-shaped groove (101 a) and has consistent opening directions;
the telescopic unit (200) comprises a sleeve (201) positioned on the first U-shaped groove (101 a) and a guide rod (202) positioned on the second U-shaped groove (102 a), the sleeve (201) is a cylinder with one open end, and one end of the guide rod (202) is inserted into the sleeve (201); a sliding groove (101 c) is formed in the side edge of the first U-shaped groove (101 a) along the sliding direction of the guide rod (202), a sliding protrusion (102 c) is arranged on the side edge of the second U-shaped groove (102 a), the sliding protrusion (102 c) is embedded into the sliding groove (101 c) and can slide along the sliding groove (101 c), and,
the fastening unit (300) comprises a connecting flange (301) connected to two side surfaces of the notch of the first U-shaped groove (101 a), an L-shaped rod (302) connected with the connecting flange (301), and a fastening piece (303) connected with the L-shaped rod (302);
the fastening units (300) are symmetrically arranged on two sides of the first U-shaped groove (101 a), one end of the L-shaped rod (302) is in threaded connection with the connecting flange (301), the other end of the L-shaped rod is provided with a nut (302 a), the fastening piece (303) is divided into a screw rod (303 a) and a fastening plate (303 b), and the screw rod (303 a) is in matched connection with the nut (302 a);
one end of the first baffle (101 b) connected with the notch of the first U-shaped groove (101 a) is connected with a first magnet (103), one end of the second baffle (102 b) connected with the notch of the second U-shaped groove (102 a) is connected with a second magnet (104), and the first magnet (103) and the second magnet (104) are adsorbed on the metal surface;
a first mounting seat (203) is connected to the first shielding piece (101), a first mounting hole (203 a) is formed in the first mounting seat (203), the sleeve (201) is fixed in the first mounting hole (203 a), and the axial direction of the sleeve (201) is consistent with the moving direction of the second shielding piece (102); a second mounting seat (204) is connected to the second shielding piece (102), a second mounting hole (204 a) is formed in the second mounting seat (204), and one end of the guide rod (202) is fixed in the second mounting hole (204 a);
a plurality of positioning teeth (202 a) are uniformly arranged on the guide rod (202) along the axial direction, each positioning tooth (202 a) comprises an inclined surface (202 a-1) and a vertical surface (202 a-2) connected with the inclined surface (202 a-1), and the vertical surface (202 a-2) is perpendicular to the axis of the guide rod (202);
an included angle between the inclined surface (202 a-1) and the vertical surface (202 a-2) is an acute angle, one end, away from the axis of the guide rod (202), of the inclined surface (202 a-1) inclines towards the direction of the second mounting seat (204), and a positioning groove (202 a-3) is formed between two adjacent positioning teeth (202 a).
2. The retractable substation equipment protective case of claim 1, wherein: the first shielding piece (101) is further connected with a third mounting seat (205), the third mounting seat (205) is connected with the open end of the sleeve (201), the third mounting seat (205) is provided with a through hole (205 a), and the guide rod (202) penetrates through the through hole (205 a) and enters the sleeve (201); third mount pad (205) are followed the radial of through-hole (205 a) is provided with first movable groove (205 b), first movable groove (205 b) are kept away from sealing screw (206) are installed to the one end of guide arm (202), reference column (207) are installed to first movable groove (205 b), reference column (207) one end is contradicted on location tooth (202 a), the other end sealing screw (206) are connected through first elastic component (208).
3. The retractable substation equipment protective case of claim 2, wherein: third mount pad (205) still be provided with second activity groove (205 c) side by side in first activity groove (205 b), run through between first activity groove (205 b) and the second activity groove (205 c) and form rotation region (205 d), the tank bottom of second activity groove (205 c) is connected with second elastic component (209), second elastic component (209) are connected with control column (210), be provided with articulated post (205 e) in rotation region (205 d), articulated on articulated post (205 e) have a rotation piece (211), rotation piece (211) one end with location post (207) are articulated, the other end with control column (210) are articulated.
4. The retractable substation equipment protective case of claim 3, wherein: the positioning column (207) is connected with a first joint bearing (207 a), one end of the rotating part (211) is inserted into the first joint bearing (207 a), the operating column (210) is connected with a second joint bearing (210 a), and the other end of the rotating part (211) is inserted into the second joint bearing (210 a).
5. The retractable substation equipment protective case of claim 4, wherein: one end of the guide rod (202) located in the sleeve (201) is connected with a piston (212), a third elastic piece (213) is arranged between the piston (212) and the bottom of the sleeve (201), and a through air guide hole (212 a) and a one-way component (212 b) are arranged on the piston (212).
6. The retractable substation equipment protective case of claim 5, wherein: the one-way assembly (212 b) includes a discharge hole (212 b-1) penetrating the piston (212), a ball (212 b-2) located in the discharge hole (212 b-1), and a fourth elastic member (212 b-3), the exhaust hole (212 b-1) is divided into a first end (212 b-1 a) close to the second mounting seat (204) and a second end (212 b-1 b) far away from the second mounting seat (204), the diameter of the second end (212 b-1 b) is smaller than the diameter of the sphere (212 b-2), the diameter of the sphere (212 b-2) is smaller than the diameter of the second end (212 b-1 b), the fourth elastic member (212 b-3) is located between the ball (212 b-2) and the first end (212 b-1 a).
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| CN202010645025.2A CN111900634B (en) | 2020-07-07 | 2020-07-07 | Telescopic substation equipment protection box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010645025.2A CN111900634B (en) | 2020-07-07 | 2020-07-07 | Telescopic substation equipment protection box |
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| CN111900634A CN111900634A (en) | 2020-11-06 |
| CN111900634B true CN111900634B (en) | 2022-04-01 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051704U (en) * | 1983-09-16 | 1985-04-11 | 日新電機株式会社 | Shutter type shielding device |
| CN201946901U (en) * | 2011-01-24 | 2011-08-24 | 福建省电力有限公司三明电业局 | Shield for safety precaution of relay protection equipment in substation |
| CN203871673U (en) * | 2014-03-29 | 2014-10-08 | 国家电网公司 | Metering cabinet door safety protection plate |
| CN206272071U (en) * | 2016-11-28 | 2017-06-20 | 国网新疆电力公司乌鲁木齐供电公司 | Pressing plate safety shield |
| CN107424810A (en) * | 2017-07-27 | 2017-12-01 | 国网湖北省电力公司计量中心 | A kind of induction-regulated resonance reactor open core structure |
| CN207677339U (en) * | 2017-11-23 | 2018-07-31 | 广西电网有限责任公司玉林陆川供电局 | Scalable terminal protective cover |
| CN108448387A (en) * | 2018-05-17 | 2018-08-24 | 广东电网有限责任公司 | Telescopic safety clamp and high-tension switch cabinet |
| CN208430914U (en) * | 2018-07-16 | 2019-01-25 | 内蒙古东亚鸿基铝业有限公司 | A kind of screw type window latch |
| CN209608097U (en) * | 2019-01-14 | 2019-11-08 | 郑州通源电气有限公司 | A kind of protective device for preventing high-low voltage electric power distribution cabinet manual separation lock from accidentally being touched |
| CN210517387U (en) * | 2019-09-20 | 2020-05-12 | 福建创合电气股份有限公司 | High-safety low-voltage power distribution cabinet |
| CN210866800U (en) * | 2019-12-05 | 2020-06-26 | 广东电网有限责任公司 | Heater protection casing |
| CN210898237U (en) * | 2019-10-29 | 2020-06-30 | 广东电网有限责任公司 | Insulating baffle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2805919C (en) * | 2012-02-23 | 2022-07-26 | Adk Electric Corporation | Electrical panelboard guard |
| CN209062064U (en) * | 2018-11-22 | 2019-07-05 | 四川众友机械有限责任公司 | A kind of bevel gear teeth portion contact positioning body |
| CN111005502A (en) * | 2019-11-25 | 2020-04-14 | 山东建筑大学 | Inner cavity convex multi-point distributed grouting sleeve and manufacturing method thereof |
-
2020
- 2020-07-07 CN CN202010645025.2A patent/CN111900634B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6051704U (en) * | 1983-09-16 | 1985-04-11 | 日新電機株式会社 | Shutter type shielding device |
| CN201946901U (en) * | 2011-01-24 | 2011-08-24 | 福建省电力有限公司三明电业局 | Shield for safety precaution of relay protection equipment in substation |
| CN203871673U (en) * | 2014-03-29 | 2014-10-08 | 国家电网公司 | Metering cabinet door safety protection plate |
| CN206272071U (en) * | 2016-11-28 | 2017-06-20 | 国网新疆电力公司乌鲁木齐供电公司 | Pressing plate safety shield |
| CN107424810A (en) * | 2017-07-27 | 2017-12-01 | 国网湖北省电力公司计量中心 | A kind of induction-regulated resonance reactor open core structure |
| CN207677339U (en) * | 2017-11-23 | 2018-07-31 | 广西电网有限责任公司玉林陆川供电局 | Scalable terminal protective cover |
| CN108448387A (en) * | 2018-05-17 | 2018-08-24 | 广东电网有限责任公司 | Telescopic safety clamp and high-tension switch cabinet |
| CN208430914U (en) * | 2018-07-16 | 2019-01-25 | 内蒙古东亚鸿基铝业有限公司 | A kind of screw type window latch |
| CN209608097U (en) * | 2019-01-14 | 2019-11-08 | 郑州通源电气有限公司 | A kind of protective device for preventing high-low voltage electric power distribution cabinet manual separation lock from accidentally being touched |
| CN210517387U (en) * | 2019-09-20 | 2020-05-12 | 福建创合电气股份有限公司 | High-safety low-voltage power distribution cabinet |
| CN210898237U (en) * | 2019-10-29 | 2020-06-30 | 广东电网有限责任公司 | Insulating baffle |
| CN210866800U (en) * | 2019-12-05 | 2020-06-26 | 广东电网有限责任公司 | Heater protection casing |
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|---|---|
| CN111900634A (en) | 2020-11-06 |
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Inventor after: Zhang Xueyong Inventor after: Li Yongshu Inventor after: Xia Xin Inventor after: Xiang Xuan Inventor after: Zheng Bin Inventor after: Jiang Degang Inventor after: Li Guoqin Inventor after: Pi Dinggui Inventor after: Hao Liping Inventor after: Xiao Xiang Inventor after: Li Tian Inventor after: Xiao Xiong Inventor after: Du Yun Inventor before: Zhang Xueyong Inventor before: Li Yongshu Inventor before: Xia Xin Inventor before: Xiang Xuan Inventor before: Jiang Degang Inventor before: Li Guoqin Inventor before: Pi Dinggui Inventor before: Hao Liping Inventor before: Xiao Xiang Inventor before: Li Tian Inventor before: Xiao Xiong Inventor before: Du Yun |
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