CN115285898A - Protector is used in operation maintenance of power plant electrical equipment - Google Patents
Protector is used in operation maintenance of power plant electrical equipment Download PDFInfo
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- CN115285898A CN115285898A CN202210782084.3A CN202210782084A CN115285898A CN 115285898 A CN115285898 A CN 115285898A CN 202210782084 A CN202210782084 A CN 202210782084A CN 115285898 A CN115285898 A CN 115285898A
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- buckle
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- pushing
- guard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a protection device for operation and maintenance of electrical equipment in a power plant, which comprises: the protection device comprises a base, two first guard rails and two second guard rails, wherein the two first guard rails and the two second guard rails are movably connected with the base; the connecting device comprises a pushing piece, a first connecting piece and a fixed piece which are movably connected with the pushing piece, and a second connecting piece arranged on the base; the pushing piece, the first connecting piece and the fixing piece are arranged in the first protective guard, and the first protective guard is connected with the second protective guard through the first connecting piece; and the trigger device comprises a trigger piece, the first protective guard is fixedly connected with the base through the trigger piece, and the second connecting piece enters the second protective guard through the trigger piece so that the base is fixedly connected with the second connecting piece. The protection device is integrally detachable, convenient to transport and convenient for operators to enter.
Description
Technical Field
The invention relates to the technical field of power plant electrical equipment operation and maintenance tools, in particular to a protection device for power plant electrical equipment operation and maintenance.
Background
Power plants, also known as power stations, are plants that convert various primary energy sources stored in nature into electric energy (secondary energy), and at the end of the 19 th century, with the increase in demand for electric power, the idea of establishing an electric power production center has been proposed. The development of motor manufacturing technology, the expansion of electric energy application range, the rapid increase of the demand of electricity for production and the consequent generation of power plants.
There are several ways of generating electricity in power plants: thermal power plants are called by thermal power generation, water power plants are called by hydroelectric power generation, power plants are also called by solar energy (photovoltaic), wind power and tide power generation, and the like, while nuclear power plants taking nuclear fuel as energy have played more and more important roles in many countries in the world, generally, when electrical equipment of the power plants is operated and maintained, a lifting frame is required to be used for high-altitude operation, and a protection device is arranged on the lifting frame to prevent workers, but the following defects still exist in the practical use: when the existing protective device for operation and maintenance of electrical equipment of a power plant is used, the protective device is usually fixed and integrated, so that the protective structure cannot be disassembled, the transportation is inconvenient, the protective device can be used according to actual requirements, and the use has certain limitation; and the lifting frame is inconvenient for relative maintenance personnel to enter, and the use is limited.
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. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems of the prior protective device for the operation and maintenance of the electrical equipment of the power plant.
Therefore, the invention aims to provide a protection device for operation and maintenance of electrical equipment of a power plant.
In order to solve the technical problems, the invention provides the following technical scheme: the protective device comprises a base, two first protective guards and two second protective guards, wherein the two first protective guards and the two second protective guards are movably connected with the base;
the connecting device comprises a pushing piece, a first connecting piece and a fixed piece which are movably connected with the pushing piece, and a second connecting piece arranged on the base;
the pushing piece, the first connecting piece and the fixing piece are arranged in the first guard rail, and the first guard rail is connected with the second guard rail through the first connecting piece; and the number of the first and second groups,
the trigger device comprises a trigger piece, the first guard rail is fixedly connected with the base through the trigger piece, and the second connecting piece enters the second guard rail through the trigger piece, so that the base is fixedly connected with the second connecting piece.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant of the present invention, wherein: the pushing piece comprises a pushing ring, a pushing rod and a first connecting rod which are arranged on two opposite sides of the pushing ring, and a telescopic rod fixedly connected with the first connecting rod, wherein a pushing groove is formed in the pushing ring, the pushing grooves are arc-shaped and symmetrically arranged on the pushing ring, and the lowest point of the pushing groove is superposed with the lowest point of the pushing ring;
the push rod is perpendicular to the first connecting piece, the first connecting piece is provided with two clamping pieces and a second connecting rod, the clamping pieces are fixedly connected with the second connecting rod, the clamping pieces are arranged in the pushing grooves, the second connecting rod is connected with the inner wall of the first protective fence in a sliding mode, the push rod penetrates through the top end of the first protective fence and is arranged outside the first protective fence, and the telescopic rod is fixedly connected with the bottom end of the first protective fence.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant of the present invention, wherein: the upper side and the lower side of the second connecting rod are provided with connecting grooves, the first guard rail is provided with a limiting part, and the second connecting rod is arranged in the limiting part through the connecting grooves.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant according to the present invention, wherein: the fixing piece comprises a first buckle and a second buckle which are movably connected, the first buckle is arranged on the first connecting rod, and the pushing piece and the first protective guard are fixedly connected through the first buckle and the second buckle.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant according to the present invention, wherein: the first connecting rod comprises a cavity, and the ports at two opposite ends of the cavity are larger and smaller;
the first buckle comprises a moving rod and a spring, the moving rod and the spring are arranged in the cavity, the spring is sleeved on the moving rod, one end of the spring is fixedly connected with the cavity port, the first buckle comprises a blocking piece and a male buckle, the blocking piece is arranged at two ends of the moving rod, the end, small in the cavity port, of the blocking piece is arranged, and the male buckle is arranged in the cavity in a telescopic mode.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant according to the present invention, wherein: the second buckle comprises a fixed rod, the fixed rod is fixedly connected with the bottom end of the first protective fence, the second buckle comprises a sliding rod fixedly connected with the top end of the fixed rod, the cross section of the sliding rod is smaller than that of the fixed rod, the second buckle comprises a female buckle arranged at the top end of the sliding rod, and the female buckle is matched with the male buckle;
wherein, the second buckle is including the deblocking spare, the deblocking spare with leave the clearance between the box and be used for placing the pin thread, the deblocking spare slides and sets up on the slide bar, the box with the pin thread passes through the deblocking spare separation.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant according to the present invention, wherein: the male buckle is provided with a first inclined surface, the female buckle and the unlocking piece are respectively provided with a second inclined surface and a third inclined surface which are parallel to the first inclined surface, and the unlocking piece further comprises a fourth inclined surface which is symmetrical to the third inclined surface;
the female buckle faces the unlocking piece and is provided with a placement groove in the direction, the third inclined plane can be arranged in the placement groove, and when the third inclined plane is completely arranged in the placement groove, the second inclined plane is in contact with the fourth inclined plane.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant according to the present invention, wherein: the base is rectangular, the trigger comprises four oil paths symmetrically arranged in the base, two ports of each oil path are connected with a first piston and a second piston, the cross section of each first piston is smaller than that of each second piston, the first pistons are located below the first guard rails, and the second pistons are located below the second guard rails;
the trigger piece comprises two trigger rods fixedly connected with the push ring, the trigger rods are located at the top end of the first piston point, and the second connecting piece is connected with the second piston.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant according to the present invention, wherein: the two first guard rails and the two second guard rails are movably connected with the base through rotating shafts.
As a preferable aspect of the protection device for operation and maintenance of the electrical equipment of the power plant according to the present invention, wherein: the push rod is fixedly connected with a handle.
The invention has the beneficial effects that: the protection device is integrally detachable, convenient to transport and convenient for operators to enter.
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 view of the overall structure of the protection device for operation and maintenance of electrical equipment in a power plant according to the present invention.
Fig. 2 is a schematic view illustrating the connection between the connection device and the first guard rail of the protection device for operation and maintenance of electrical equipment in a power plant according to the present invention.
Fig. 3 is a schematic structural diagram of a connecting device of the protective device for operation and maintenance of electrical equipment of a power plant according to the present invention.
Fig. 4 is a schematic structural view of the protection device for operation and maintenance of electrical equipment in a power plant according to the present invention, when the connection device and the first guard rail are not connected.
Fig. 5 is a schematic structural view illustrating a connecting device of the protective device for operation and maintenance of electrical equipment in a power plant according to the present invention when the connecting device is connected to a first guard rail.
Fig. 6 is a schematic structural diagram of a fixing member of the protection device for operation and maintenance of electrical equipment of a power plant according to the present invention.
Fig. 7 is a schematic structural diagram of a second buckle of the protective device for operation and maintenance of electrical equipment in a power plant according to the present invention.
Fig. 8 is a schematic structural view of the first buckle of the protection device for operation and maintenance of electrical equipment in a power plant according to the present invention.
Fig. 9 is a cross-sectional view of the triggering device of the protector for operation and maintenance of electrical equipment of a power plant according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention 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.
Furthermore, 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.
Furthermore, the present invention is described in detail with reference to the drawings, and for convenience of illustration, the cross-sectional views illustrating the device structures are not enlarged partially according to the general scale when describing the embodiments of the present invention, and the drawings are only exemplary, 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.
Example 1
Referring to fig. 1 to 5 and 9, a protection device for operation and maintenance of electrical equipment in a power plant includes a protection device 100 for protection; the connection device 200 may connect the guard device 100; the trigger device 300 makes the attachment of the guard 100 more secure.
Specifically, the protection device 100 comprises a base 101, wherein the base 101 is rectangular and is used for an operator to stand; comprises two first guard rails 102 and two second guard rails 103 movably connected with a base 101.
Further, two first guard rails 102 are oppositely disposed at two ends of the base 101, and two second guard rails 103 are oppositely disposed at the other two ends of the base 101.
Further, the connecting device 200 comprises a pushing member 201, and the pushing member 201 can be pressed to enable the first connecting member 202 to extend out of the first guard rail 102; the pushing piece 201 comprises a pushing ring 201a, the pushing ring 201a is an elliptical circular ring, a pushing groove 201a-1 is formed in the pushing ring 201a, the pushing groove 201a-1 is arc-shaped and symmetrically arranged on the pushing ring 201a, the lowest point of the pushing groove 201a-1 is coincided with the lowest point of the pushing ring 201a, and the cross section of the pushing ring 201a is in an axisymmetric pattern; the push rod 201b is arranged at the topmost end of the push ring 201a, the push rod 201b penetrates through the first protective guard 102 and is arranged outside the first protective guard 102, the push ring 201a can be driven to move towards the bottom of the first protective guard 102, and the push rod 201b is provided with a handle 201b-1, so that an operator can operate the push rod conveniently; comprises a first connecting rod 201c fixedly connected with the lowest end of the push ring 201 a; and a telescopic rod 201d having both ends fixedly connected to the first connecting rod 201c and the inner bottom end of the first guard rail 102, respectively, wherein the telescopic rod 201d can be extended or retracted only when an external force is applied.
When a force is applied to the telescopic rod 201d by holding the handle 201b-1, the push ring 201a moves downward as a whole, and the distance between the push grooves 201a-1 is increased on the same horizontal plane.
Further, the first connecting piece 202 is movably connected with the pushing piece 201, when the first connecting piece 202 is not used, the first connecting piece 202 is arranged in the first guard rail 102, when a force is applied towards the direction of the telescopic rod 201d by holding the handle 201b-1, the first connecting piece 202 can slowly extend out of the first guard rail 102 and be inserted into the second guard rail 103, and the first guard rail 102 is connected with the second guard rail 103 through the first connecting piece 202; the two first connecting pieces 202 are symmetrically arranged on two opposite sides of the push ring 201a, and the push rod 201b is perpendicular to the first connecting pieces 202; the first connecting piece 202 comprises a clamping piece 202a and a second connecting rod 202b which are fixedly connected, the clamping piece 202a is arranged in the pushing groove 201a-1, and when the first connecting piece is not used, the two clamping pieces 202a are positioned at the lowest end of the pushing groove 201 a-1; the second connecting rod 202b is slidably connected to an inner wall of the first guard rail 102, the connecting slots 202b-1 are disposed on upper and lower sides of the second connecting rod 202b, the limiting member 102a is disposed on the first guard rail 102, and the second connecting rod 202b is disposed in the limiting member 102a through the connecting slot 202 b-1.
When the handle 201b-1 is held to apply force towards the telescopic rod 201d, the push ring 201a integrally moves downwards, and as the push groove 201a is an arc, in the downward process, the distance between the push grooves 201a-1 is increased on the horizontal plane of the second connecting rod 202b, and in the downward process, the push groove 201a-1 gives a vertical force to the clamping piece 202a to drive the second connecting rod 202b to move horizontally.
Further, the fixing member 203 is included, the fixing member 203 includes a first catch 203a and a second catch 203b, which can be fixed to and unlocked from each other, the first catch 203a is disposed on the first connecting rod 201c, the second catch 203b is disposed at the lower end of the interior of the first guard rail 102, when the pushing member 201 applies a force toward the telescopic rod 201d, the first catch 203a and the second catch 203b are engaged, and when a force is subsequently applied toward the telescopic rod 201d, the two catches are separated (e.g., an automatic retractable locking mechanism on a ball-point pen, which is commonly used by those skilled in the art).
The trigger device 300 is characterized in that the first guard rail 102 is fixedly connected with the base 101 through a trigger 301, and the second connecting piece 204 enters the second guard rail 103 through the trigger 301, so that the base 101 is fixedly connected with the second connecting piece 204; the trigger piece 301 comprises two trigger rods 301b fixedly connected with the push ring 201a, and the trigger rods 301b can penetrate through the first guard rail 102 and enter the base 101; the oil path structure further comprises four oil paths 301a symmetrically arranged in the base 101, two ports of each oil path 301a are connected with a first piston 301a-1 and a second piston 301a-2, the cross section of each first piston 301a-1 is smaller than that of each second piston 301a-2, each first piston 301a-1 is located below the first guard rail 102, the trigger rod 301b is located at the upper end of each first piston 301a-1, each second piston 301a-2 is located below the second guard rail 103, the second connecting piece 204 is connected with the corresponding second piston 301a-2, an accommodating groove is formed in the bottom of the second guard rail 103 and used for the second connecting piece 204 to enter, and the second connecting piece 204 is a cylindrical rod.
According to pascal' S law, P = F/S, i.e., F = PS, if there are two large and small pistons in a fluid system, a small pushing force is applied to the small piston, and a larger pushing force is generated on the large piston through the pressure transmission in the fluid, and if the trigger rod 301b applies an external force to the first piston 301a-1, the second piston 301a-2 applies an upward force to the second connecting member 204 to make it enter the second guard rail 103.
When the device is not used, the base 101 is connected with the first guard rail 102 and the second guard rail 103 through the rotating shaft 104, and the whole device can be paved into a flat surface, so that the device is convenient to transport; when the device is required to be used, two second guard rails 103 and one first guard rail 102 are erected to be contacted with each other, the handle 201b-1 is pressed to fixedly connect the first guard rail 103 with the base 101, the first guard rail 102 is fixedly connected with the two second guard rails 103, and the second guard rail 103 is fixedly connected with the base 101; then, a person stands on the base 101, and then another first guard rail 102 is righted, and the operations are repeated, wherein the specific operations are as follows:
when the handle 201b-1 is held to apply force towards the telescopic rod 201d, the push ring 201a integrally moves downwards, and as the push groove 201a is an arc, in the downward process, the distance between the push grooves 201a-1 is increased on the horizontal plane of the second connecting rod 202b, and in the downward process, the push groove 201a-1 gives a vertical force to the clamping piece 202a to drive the second connecting rod 202b to horizontally move, so that the second connecting rod 202b extends out of the first protective guard 102 and extends into the second protective guard 103, and the first protective guard 103 is fixedly connected with the two second protective guards 102; meanwhile, the trigger lever 301b moves downward along with the handle 201b-1, extends out of the first guard rail 102 into the base 101 to contact the first piston 301a-1 and apply pressure to the first piston 301a-1, and the second piston 301a-2 is pushed by a pushing force to push the second connecting member 204 toward the second guard rail 103, so as to fixedly connect the second guard rail 103 to the base 101.
In the process, the first catch 203a and the second catch 203b are buckled, the pushing member 201 is fixed, when a person needs to fall to the ground or the equipment needs to be removed, the handle 201b-1 is held again to apply force towards the telescopic rod 201d, the first catch 203a and the second catch 203b are separated, and the connecting device 200 and the triggering device 300 are reset.
Example 2
Referring to fig. 4 to 7, this embodiment is based on the above-described embodiment.
Specifically, the fixing member 203 comprises a first buckle 203a and a second buckle 203b which are movably connected, the first buckle 203a is telescopically arranged on a first connecting rod 201c, and the pushing member 201 and the first guard rail 102 are fixedly connected through the first buckle 203a and the second buckle 203 b.
Specifically, the first connecting rod 201c comprises a cavity 201c-1, the ports at the two opposite ends of the cavity 201c-1 are one large and one small, the first buckle 203a comprises a moving rod 203a-1 and a spring 203a-2 which are arranged in the cavity 201c-1, the width of the cross section of the moving rod 203a-1 is equal to the width of the cross section of the small port of the cavity 201c-1, the spring 203a-2 is sleeved on the moving rod 203a-1, and one end of the spring is fixedly connected with one end of the small port of the cavity 201 c-1; the device comprises a blocking part 203a-3 and a male buckle 203a-4 which are arranged at the two ends of a moving rod 203a-1, wherein the blocking part 203a-3 is arranged at the small end of the cavity 201c-1 and is arranged outside the cavity 201c-1, and the width of the cross section is larger than that of the small end of the cavity 201 c-1; the male buckle 203a-4 is telescopically arranged in the cavity 201c-1, the cross section of the male buckle 203a-4 is a pentagon with three right angles, the side length close to the push ring 201a is larger than the side length close to the telescopic rod 201d, the male buckle 203a-4 is parallel to the side length, and the male buckle 203a-4 is provided with a first inclined surface 203a-41.
Specifically, the second buckle 203b comprises a fixing rod 203b-1, and the fixing rod 203b-1 is perpendicular to and fixedly connected with the bottom end of the first guard rail 102; comprises a sliding rod 203b-2 fixedly connected with the top end of a fixed rod 203b-1, the cross section of the sliding rod 203b-2 is smaller than that of the fixed rod 203b-1, and the cross section of the sliding rod 203b-2 is rectangular; the female buckle 203b-3 is arranged at the top end of the sliding rod 203b-2, the cross section of the female buckle 203b-3 is a pentagon with three right angles, the side length close to the push ring 201a is smaller than the side length close to the telescopic rod 201d, the two sides are parallel, and the female buckle 203b-3 is provided with a second inclined surface 203b-31 parallel to the first inclined surface 203 a-41; the second buckle 203b further comprises an unlocking piece 203b-4, a gap is reserved between the unlocking piece 203b-4 and the female buckle 203b-3 for placing the male buckle 203a-4, the unlocking piece 203b-4 is arranged on the sliding rod 203b-2 in a sliding mode, and the female buckle 203b-3 and the male buckle 203a-4 are separated through the unlocking piece 203 b-4.
Further, the unlocking member 203b-4 is provided with a third inclined surface 203b-41 parallel to the first inclined surface 203a-41, and the unlocking member 203b-4 further comprises a fourth inclined surface 203b-42 symmetrical to the third inclined surface 203 b-41; the female buckle 203b-3 is provided with a seating groove 203b-32 facing the unlocking member 203b-4 for receiving the unlocking member 203b-4, the third slope 203b-41 may be seated in the seating groove 203b-32, and the female buckle 203b-3 is in contact with the fourth slope 203b-42 when the third slope 203b-41 is completely seated in the seating groove 203 b-32.
Under normal conditions, due to gravity, the bottom end of the unlocking piece 203b-4 is in contact with the fixed rod 203b-1, the spring 203a-2 is in a normal state, when the handle 201b-1 is held and a force is applied towards the direction of the telescopic rod 201d, when the first inclined surface 203a-41 is in contact with the second inclined surface 203b-31, the first connecting rod 201c continues to move downwards, but the fixed rod 203b-1 is fixed, so that the female buckle 203b-3 can give a pushing force to the male buckle 203a-4, the male buckle 203a-4 is pushed into the cavity 201c-1, the spring 203a-2 is compressed until the male buckle 203a-4 moves to a gap between the unlocking piece 203b-4 and the female buckle 203b-3, the male buckle 203a-4 loses the pushing force of the female buckle 203b-3, the spring 203a-2 is reset, the male buckle 203a-4 enters the gap, and the first buckle 203a and the second buckle 203b are locked; when the locking mechanism needs to be unlocked, the handle 201b-1 is held to continuously apply force towards the telescopic rod 201d, the first inclined surfaces 203a-41 are in contact with the third inclined surfaces 203b-41, the third inclined surfaces 203b-41 are still at the moment, the first inclined surfaces 203a-41, namely the male buckle 203a-4, are pushed by the third inclined surfaces 203b-41, when the male buckle 203a-4 is continuously contacted with the fourth inclined surfaces 203b-42 downwards, the spring 203a-2 is reset slowly, the fourth inclined surfaces 203b-42 and the first buckle 203a are abutted with each other, when the telescopic rod 201d is compressed to the minimum, the handle 201b-1 is released, the whole push rod 201 is reset, the unlocking piece 203b-4 is driven by the male buckle 203a-4 to move towards the female buckle 203b-3 together, when the third inclined surfaces 203b-41 are completely placed in the placement groove 203b-32, the female buckle 203b-3 and the fourth inclined surfaces 203b-42 are contacted with the male buckle 203a-4, and the male buckle 203a-4 and the unlocking piece 203b-4 gradually loses contact with the male buckle 203b-4, and then the two external forces of the unlocking piece are reset accordingly.
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 (10)
1. The utility model provides a protector is used in operation maintenance of power plant electrical equipment which characterized in that: comprises the steps of (a) preparing a substrate,
the protection device (100) comprises a base (101), two first guard rails (102) and two second guard rails (103), wherein the two first guard rails (102) and the two second guard rails are movably connected with the base (101);
the connecting device (200) comprises a pushing piece (201), a first connecting piece (202) and a fixed piece (203) which are movably connected with the pushing piece (201), and a second connecting piece (204) arranged on the base (101);
wherein the pushing member (201), the first connector (202) and the fixing member (203) are arranged in the first guard rail (102), and the first guard rail (102) is connected with the second guard rail (103) through the first connector (202); and the number of the first and second groups,
the trigger device (300) comprises a trigger piece (301), the first guard rail (102) is fixedly connected with the base (101) through the trigger piece (301), and the second connecting piece (204) enters the second guard rail (103) through the trigger piece (301) so that the base (101) is fixedly connected with the second connecting piece (204).
2. The protective apparatus for operation and maintenance of electrical equipment at a power plant of claim 1, wherein: the pushing piece (201) comprises a pushing ring (201 a), a pushing rod (201 b) and a first connecting rod (201 c) which are arranged on two opposite sides of the pushing ring (201 a), and a telescopic rod (201 d) fixedly connected with the first connecting rod (201 c), wherein a pushing groove (201 a-1) is formed in the pushing ring (201 a), the pushing groove (201 a-1) is arc-shaped and symmetrically arranged on the pushing ring (201 a), the lowest point of the pushing groove (201 a-1) is coincided with the lowest point of the pushing ring (201 a), and the cross section of the pushing ring (201 a) is an axisymmetric figure;
the push rod (201 b) and the first connecting piece (202) are perpendicular to each other, the number of the first connecting piece (202) is two, the two first connecting pieces comprise clamping pieces (202 a) and second connecting rods (202 b) which are fixedly connected, the clamping pieces (202 a) are arranged in the push groove (201 a-1), the second connecting rods (202 b) are connected with the inner wall of the first protective guard (102) in a sliding mode, the push rod (201 b) penetrates through the top end of the first protective guard (102) and is arranged outside the first protective guard (102), and the telescopic rod (201 d) is fixedly connected with the bottom end of the first protective guard (102).
3. The protector for operation and maintenance of electric equipment of a power plant according to claim 2, characterized in that: the upper side and the lower side of the second connecting rod (202 b) are provided with connecting grooves (202 b-1), the first guard rail (102) is provided with a limiting part (102 a), and the second connecting rod (202 b) is arranged in the limiting part (102 a) through the connecting grooves (202 b-1).
4. The protector for operation and maintenance of electric equipment of a power plant according to claim 1 or 2, characterized in that: the fixing piece (203) comprises a first buckle (203 a) and a second buckle (203 b) which are movably connected, the first buckle (203 a) is arranged on the first connecting rod (201 c), and the pushing piece (201) and the first protective guard (102) are fixedly connected through the first buckle (203 a) and the second buckle (203 b).
5. The protector for operation and maintenance of electric equipment of a power plant according to claim 4, characterized in that: the first connecting rod (201 c) comprises a cavity (201 c-1), and the ports at two opposite ends of the cavity (201 c-1) are larger and smaller;
the first buckle (203 a) comprises a moving rod (203 a-1) and a spring (203 a-2) which are arranged in the cavity (201 c-1), the spring (203 a-2) is sleeved on the moving rod (203 a-1), one end of the spring is fixedly connected with the port of the cavity (201 c-1), the first buckle comprises a blocking part (203 a-3) and a male buckle (203 a-4) which are arranged at two ends of the moving rod (203 a-1), the blocking part (203 a-3) is arranged at one end of the cavity (201 c-1) with a small port, and the male buckle (203 a-4) is telescopically arranged in the cavity (201 c-1).
6. The protective apparatus for operation and maintenance of electrical equipment at a power plant of claim 4, wherein: the second buckle (203 b) comprises a fixed rod (203 b-1), the fixed rod (203 b-1) is fixedly connected with the bottom end of the first protective guard (102), the fixed rod comprises a sliding rod (203 b-2) fixedly connected with the top end of the fixed rod (203 b-1), the cross section of the sliding rod (203 b-2) is smaller than that of the fixed rod (203 b-1), the fixed rod comprises a female buckle (203 b-3) arranged at the top end of the sliding rod (203 b-2), and the female buckle (203 b-3) is matched with the male buckle (203 a-4);
wherein the second buckle (203 b) comprises an unlocking piece (203 b-4), a gap is reserved between the unlocking piece (203 b-4) and the female buckle (203 b-3) for placing the male buckle (203 a-4), the unlocking piece (203 b-4) is arranged on the sliding rod (203 b-2) in a sliding mode, and the female buckle (203 b-3) and the male buckle (203 a-4) are separated through the unlocking piece (203 b-4).
7. The protector for operation and maintenance of electric equipment of a power plant according to claim 5 or 6, characterized in that: the male buckle (203 a-4) is provided with a first inclined surface (203 a-41), the female buckle (203 b-3) and the unlocking piece (203 b-4) are respectively provided with a second inclined surface (203 b-31) and a third inclined surface (203 b-41) which are parallel to the first inclined surface (203 a-41), and the unlocking piece (203 b-4) further comprises a fourth inclined surface (203 b-42) which is symmetrical to the third inclined surface (203 b-41);
wherein, the female buckle (203 b-3) is provided with a placing groove (203 b-32) towards the unlocking piece (203 b-4), the third inclined surface (203 b-41) can be placed in the placing groove (203 b-32), and when the third inclined surface (203 b-41) is completely placed in the placing groove (203 b-32), the female buckle (203 b-3) is contacted with the fourth inclined surface (203 b-42).
8. The protector for operation and maintenance of electric equipment of a power plant according to claim 1 or 2, characterized in that: the base (101) is rectangular, the trigger (301) comprises four oil paths (301 a) symmetrically arranged in the base (101), two ports of each oil path (301 a) are connected with a first piston (301 a-1) and a second piston (301 a-2), the cross section of each first piston (301 a-1) is smaller than that of each second piston (301 a-2), each first piston (301 a-1) is located below the corresponding first guard rail (102), and each second piston (301 a-2) is located below the corresponding second guard rail (103);
the trigger piece (301) comprises two trigger rods (301 b) fixedly connected with the push ring (201 a), the trigger rods (301 b) are located at the upper end of the first piston (301 a-1), and the second connecting piece (204) is connected with the second piston (301 a-2).
9. The protective apparatus for operation and maintenance of electrical equipment at a power plant of claim 1, wherein: the two first guard rails (102) and the two second guard rails (103) are movably connected with the base (101) through rotating shafts (104).
10. The protective apparatus for operation and maintenance of electrical equipment at a power plant of claim 2, wherein: the push rod (201 b) is fixedly connected with a handle (201 b-1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210782084.3A CN115285898B (en) | 2022-06-30 | 2022-06-30 | Protective device for operation and maintenance of electric equipment of power plant |
| PCT/CN2023/086368 WO2024001388A1 (en) | 2022-06-30 | 2023-04-05 | Protective device for operation and maintenance of electrical equipment in power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210782084.3A CN115285898B (en) | 2022-06-30 | 2022-06-30 | Protective device for operation and maintenance of electric equipment of power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115285898A true CN115285898A (en) | 2022-11-04 |
| CN115285898B CN115285898B (en) | 2023-05-23 |
Family
ID=83822492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210782084.3A Active CN115285898B (en) | 2022-06-30 | 2022-06-30 | Protective device for operation and maintenance of electric equipment of power plant |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115285898B (en) |
| WO (1) | WO2024001388A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001388A1 (en) * | 2022-06-30 | 2024-01-04 | 满洲里达赉湖热电有限公司 | Protective device for operation and maintenance of electrical equipment in power plant |
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| CN212784382U (en) * | 2020-08-21 | 2021-03-23 | 河北志恒电气设备有限公司 | Block terminal convenient to installation is maintained |
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| CN115285898B (en) * | 2022-06-30 | 2023-05-23 | 满洲里达赉湖热电有限公司 | Protective device for operation and maintenance of electric equipment of power plant |
| CN217805921U (en) * | 2022-07-25 | 2022-11-15 | 重庆中吉新材料科技有限公司 | Graphite material transport case body anti-disengaging structure |
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|---|---|---|---|---|
| CN206397186U (en) * | 2016-12-27 | 2017-08-11 | 江西科技学院 | Guard rail |
| CN209686993U (en) * | 2019-03-11 | 2019-11-26 | 吉林省送变电工程有限公司 | Safety device is used in a kind of construction of extra-high voltage environment |
| CN213418690U (en) * | 2020-08-19 | 2021-06-11 | 杨素青 | Rail guard is used in colliery construction |
| CN214006623U (en) * | 2020-11-18 | 2021-08-20 | 广东宏展建设工程有限公司 | Foundation ditch construction safety device |
| CN214220852U (en) * | 2020-12-17 | 2021-09-17 | 王乐 | Rail guard is used in highway engineering construction convenient to installation |
| CN214455264U (en) * | 2020-12-30 | 2021-10-22 | 鹤山市利联纸品有限公司 | Counter tailboard protector |
| CN214659123U (en) * | 2021-02-04 | 2021-11-09 | 北京城建集团有限责任公司 | Assembled movable distribution box protection shed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024001388A1 (en) * | 2022-06-30 | 2024-01-04 | 满洲里达赉湖热电有限公司 | Protective device for operation and maintenance of electrical equipment in power plant |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024001388A1 (en) | 2024-01-04 |
| CN115285898B (en) | 2023-05-23 |
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