CN111679113B - Auxiliary device for accessing secondary equipment to bus voltage without power failure - Google Patents
Auxiliary device for accessing secondary equipment to bus voltage without power failure Download PDFInfo
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- CN111679113B CN111679113B CN202010498502.7A CN202010498502A CN111679113B CN 111679113 B CN111679113 B CN 111679113B CN 202010498502 A CN202010498502 A CN 202010498502A CN 111679113 B CN111679113 B CN 111679113B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
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Abstract
The invention discloses a bus voltage auxiliary device for accessing secondary equipment without power failure, which comprises a pressure measuring assembly, a pressure measuring assembly and a control assembly, wherein the pressure measuring assembly comprises a terminal board, a box body, an air switch, a voltmeter and an external connection wire; the winding assembly comprises a first supporting plate, a second supporting plate and a rolling shaft, wherein the first supporting plate and the second supporting plate are arranged in parallel relatively, and the end part of the rolling shaft is arranged on the first supporting plate and the second supporting plate; the device can switch secondary equipment without power outage, can also clamp and fix the wire by utilizing the clamping assembly, and realizes electric power conduction by utilizing the connection of the conductive assembly and the terminal.
Description
Technical Field
The invention relates to the technical field of terminal auxiliary connection, in particular to a bus voltage auxiliary device for accessing secondary equipment without power failure.
Background
When a bus secondary voltage loop of a transformer substation is transformed, the bus secondary voltage loop of a new parallel device needs to be connected into devices for protection, measurement and control, safety, metering and the like. The bus secondary voltage loops at the present stage are very complex, and the difference of the adopted secondary voltage loop access modes is large, and the following three loops are generally adopted: a) directly from the parallel devices; b) taking the bus from a screen top small bus; c) and the bus voltage of other panels is connected in parallel, and meanwhile, the three modes are generally used in a crossed manner, so that the complexity of a bus voltage secondary circuit is increased. The complexity of the bus voltage secondary loop brings a series of problems to the bus voltage of a new parallel device accessed by secondary equipment, for example, the workload is large, the operation risk is high, and the bus voltage of various secondary equipment is easy to lose voltage during working, so that the secondary equipment can be prevented from being operated by mistake and the electric energy measurement is inaccurate when the secondary equipment is operated in a state inconsistent with the state of primary equipment.
According to the actual transformation condition, the bus voltage loop of the secondary equipment such as a protection device, a measurement and control device, an ampere-class device and a metering device is connected into a new bus secondary voltage loop, primary equipment or secondary equipment is often required to be stopped, the running risks of the first equipment and the second equipment of the transformer substation are increased, and in addition, the equipment is stopped by throwing a large amount of human resources and the risk of misoperation is also caused.
At above-mentioned current situation, this project plans a secondary equipment and does not have a power failure and inserts busbar voltage auxiliary device, through the device's utilization, can make the wiring process that busbar secondary voltage reformed transform become convenient and fast, easy operation and safety reduce the operation risk, improve work efficiency, improve equipment operational reliability, provide the guarantee for the electric wire netting steady operation.
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 bare wire and the equipment terminal need to be connected when the secondary equipment voltage is transformed, the process usually adopts the screwdriver price to screw and fix the bare wire, the operation is complicated, and the efficiency is low.
In order to solve the technical problems, the invention provides the following technical scheme: a voltage auxiliary device for accessing secondary equipment to a bus without power outage comprises a pressure measuring assembly, a voltage measuring assembly and a control assembly, wherein the pressure measuring assembly comprises a terminal board, a box body, an air switch, a voltmeter and an external connection wire, the air switch and the voltmeter are arranged in the box body, the terminal board is electrically connected with the air switch, and the external connection wire is electrically connected with the voltmeter;
wire winding subassembly, including first backup pad, second backup pad and roller bearing, first backup pad and the relative parallel arrangement of second backup pad, the roller bearing tip set up in on first backup pad and the second backup pad.
As a preferred scheme of the bus voltage auxiliary device which is accessed by the secondary equipment without power failure, the invention comprises the following steps: a central hole is formed in the rolling shaft, and through holes are formed in the rolling shaft in the radial direction.
As a preferred scheme of the bus voltage auxiliary device which is accessed by the secondary equipment without power failure, the invention comprises the following steps: the end part of the roller shaft is provided with a handle,
as a preferred scheme of the bus voltage auxiliary device which is accessed by the secondary equipment without power failure, the invention comprises the following steps: the wiring assembly comprises a box body, a first clamping piece and a second clamping piece, wherein the first clamping piece and the second clamping piece are symmetrically arranged in the box body;
the end part of the external connecting wire is arranged in the box body, and the first clamping piece and the second clamping piece clamp the external connecting wire.
As a preferred scheme of the bus voltage auxiliary device which is accessed by the secondary equipment without power failure, the invention comprises the following steps: a placing hole, a first guide hole and a second guide hole are formed in the box body, and the first guide hole and the second guide hole are symmetrical relative to the placing hole;
the first clamping piece comprises a first guide pillar and a first clamping plate, and the first guide pillar is arranged in the first guide hole;
the second clamping piece comprises a second guide pillar and a second clamping plate, and the second guide pillar is arranged in the second guide hole.
As a preferred scheme of the bus voltage auxiliary device which is accessed by the secondary equipment without power failure, the invention comprises the following steps: still be provided with first spring in the box body, first spring coupling first splint with place downthehole wall, first spring coupling second splint with place downthehole wall.
As a preferred scheme of the bus voltage auxiliary device which is accessed to the secondary equipment without power failure, the invention comprises the following steps: also comprises the following steps of (1) preparing,
the conductive assembly comprises a splicing column, a conductive strip, a pushing block and a contact plate, the splicing column is arranged at the end part of the box body, and the conductive strip, the pushing block and the contact plate are arranged in the box body;
the conductive strip is connected with the inserting column and the pushing block, and the contact plate is arranged at the end part of the pushing block.
As a preferred scheme of the bus voltage auxiliary device which is accessed by the secondary equipment without power failure, the invention comprises the following steps: still include, coupling assembling, including propulsion piece and locking piece, the propulsion piece is connected wiring subassembly and conductive component, the locking piece set up in the box body side.
As a preferred scheme of the bus voltage auxiliary device which is accessed to the secondary equipment without power failure, the invention comprises the following steps: the propelling part comprises a first conversion rod, a second conversion rod and a vertical rod, and the first conversion rod is connected with the second conversion rod in the middle;
the end part of the first conversion rod is connected with the first clamping plate shaft, and the second conversion rod is connected with the second clamping plate shaft;
the other ends of the first conversion rod and the second conversion rod are connected with the vertical rod.
As a preferred scheme of the bus voltage auxiliary device which is accessed to the secondary equipment without power failure, the invention comprises the following steps: an accommodating groove is formed in the side wall of the box body, and the pushing piece is arranged in the accommodating groove;
the side wall of the containing groove is internally provided with a guide groove, the middle of the first conversion rod and the middle of the second conversion rod are connected through a connecting shaft, and the end part of the connecting shaft is arranged in the guide groove.
The invention has the beneficial effects that: the device can switch secondary equipment without power outage, can also clamp and fix the wire by utilizing the clamping assembly, and realizes electric power conduction by utilizing the connection of the conductive assembly and the terminal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a schematic overall structural diagram of a bus voltage auxiliary device which is connected to a secondary device without power outage according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a winding assembly of a secondary device that is connected to a bus voltage auxiliary device without power outage according to an embodiment of the present invention;
fig. 3 is a schematic structural view showing a wiring assembly in the secondary equipment terminal auxiliary connection device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a box cross-sectional structure of an electrical cell shown in a bus voltage auxiliary device to which secondary equipment is connected without power outage according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a box body for showing a containing groove in a bus voltage auxiliary device to which secondary equipment is connected without power failure according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating structural action changes of a conductive component and a connecting component in a device for assisting a secondary device to access a bus voltage without power outage, according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a propelling member and a locking member of a secondary device which is connected to a bus voltage auxiliary device without power failure according to an embodiment of 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.
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.
Furthermore, the reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be 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. 1-2, the embodiment provides a secondary device access bus voltage auxiliary device without power outage, which includes a pressure measuring assembly 100, including a terminal board 101, a box 102, an air switch 103, a voltmeter 104 and an external connection 105, wherein the air switch 103 and the voltmeter 104 are arranged in the box 102, the terminal board 101 is electrically connected with the air switch 103, and the external connection 105 is electrically connected with the voltmeter 104;
the winding assembly 200 comprises a first support plate 201, a second support plate 202 and a roller 203, wherein the first support plate 201 and the second support plate 202 are arranged in parallel relatively, and the end of the roller 203 is arranged on the first support plate 201 and the second support plate 202.
The winding assembly 200 is arranged in the box body 102 and is arranged beside the voltmeter 104, the air switch 103 is electrically connected with the voltmeter 104, a lead wire connected from the voltmeter 104 is wound on the winding assembly 200, specifically on the roller 203, furthermore, a central hole 203a is arranged in the roller 203, and a through hole 203b is arranged on the roller 203 along the radial direction; a handle 203c is arranged at the end part of the roller 203;
the external connection 105 adopts a multi-strand copper core flexible cable with shielding, can be stored on the winding component 200 in the box body 102, and can be pulled out by a proper length as required when in use; the line diameter meets the requirement of a bus voltage loop of the secondary equipment.
The voltmeter 104 is an alternating-current voltmeter, the test range meets the measurement requirements of the bus phase voltage and the interphase voltage, the measurement precision is within 0.1V, and the battery can be adopted for power supply.
The air switch 103 is an alternating-current voltage air switch, and 3 single-phase alternating-current voltage air switches can be arranged on the guide rail; the trip current can be coordinated with the bus voltage air switch.
The external connection line 105 is used for connection with a secondary equipment terminal block.
The device is characterized in that secondary circuits of the voltage transformers can be connected in parallel, and the device is connected into the bus voltage without power failure by adopting the idea of 'temporary cross-over connection, operation circuit connection and removal of temporary cross-over connection'. The method introduction: and the bus voltage access can be realized in three steps after the secondary circuit of the bus voltage transformer is reliably accessed to the new voltage parallel device. Firstly, a secondary loop of a new voltage paralleling device is connected to certain secondary equipment by using an auxiliary device; secondly, dismantling an original bus voltage secondary circuit; and thirdly, connecting to a new voltage secondary loop of the new voltage parallel device. The terminal plate 101 and the external wire 105 are both ends connected to the secondary device.
The external wire 105 is a wire led out from the voltmeter 104 and is wound on the winding assembly 200 in such a manner that the wire is inserted into the central hole 203a from the end of the roller 203, extends out of the through hole 203b, and is wound on the roller 203, the end of the roller 203 is connected with the first support plate 201 and the second support plate 202 by a shaft, that is, the roller 203 is rotatable, and the roller 203 can be rotated by rotating the handle 203c to wind and release the external wire 105. The wire winding assembly 200 is characterized in that the length of the wire between the wire winding assembly 200 and the voltmeter 104 can be kept constant during the wire winding and paying off processes, and only the length of the external wire 105 passing through the wire winding assembly 200 is changed.
Example 2
Referring to fig. 1 to 6, the present embodiment is different from the previous embodiment in that the present embodiment includes a wiring assembly 300 including a box body 301, a first clamping member 302 and a second clamping member 303, where the first clamping member 302 and the second clamping member 303 are symmetrically disposed in the box body 301;
the conductive assembly 400 comprises a plug column 401, a conductive strip 402, a push block 403 and a contact plate 404, wherein the plug column 401 is arranged at the end of the box body 301, and the conductive strip 402, the push block 403 and the contact plate 404 are arranged in the box body 301;
the conductive strip 402 connects the plug column 401 and the pushing block 403, and the contact plate 404 is arranged at the end of the pushing block 403;
the connecting assembly 500 comprises a pushing member 501 and a locking member 502, wherein the pushing member 501 is connected with the wiring assembly 300 and the conductive assembly 400, and the locking member 502 is arranged on the side surface of the box body 301.
A placement hole 301a, a first guide hole 301b, and a second guide hole 301c are provided in the box body 301, the first guide hole 301b and the second guide hole 301c being symmetrical with respect to the placement hole 301 a;
the first clamping member 302 includes a first guide post 302a and a first clamping plate 302b, the first guide post 302a being disposed in the first guide hole 301 b;
the second clamp 303 includes a second guide post 303a and a second clamp plate 303b, and the second guide post 303a is disposed in the second guide hole 301 c.
In this embodiment, the device is a device for quickly connecting a wire and a terminal, and connection can be realized only by inserting the wire and the device into a terminal hole on a wiring terminal at a low price. Specifically, the wire connecting module 300 is used for clamping and fixing wires, the box 301 is a rectangular box structure, the placing hole 301a is formed from the side, the wires are placed in the placing hole 301a, the first guide hole 301b and the second guide hole 301c are symmetrically arranged about the box 301, the first guide post 302a is arranged in the first guide hole 301b, the first clamp plate 302b is arranged in the placing hole 301a, the second guide post 303a is arranged in the second guide hole 301c, and the second clamp plate 303b is arranged in the placing hole 301 a.
The placing hole 301a has a structure in which both side sections are circular, and is adapted to the shape of a wire, and the diameter thereof is larger than that of the wire, so that the wire can be conveniently placed therein, and the middle portion of the placing hole 301a has a square section adapted to the shapes of the first clamping plate 302b and the second clamping plate 303b, and the first clamping plate 302b and the second clamping plate 303b are placed therein; similarly, the first guiding hole 301b and the second guiding hole 301c are opened on two opposite side walls of the square groove portion, the first guiding hole 301b and the first guiding post 302a have the same cross-sectional dimension, the first guiding hole 301b limits the first guiding post 302a, so that the first guiding post 302a can only move along the first guiding hole 301b to the placing hole 301a or move along the opposite direction, and the connection relationship between the second guiding post 303a and the second guiding hole 301c is the same.
The wiring assembly 300 is used for connecting the external wiring 105 and a secondary equipment terminal board, and can realize that secondary equipment is connected to a bus voltage auxiliary device without power outage and is reliably connected with an alternating current bus voltage loop of a secondary screen cabinet under the condition that an alternating current terminal and a direct current terminal have no wiring ports.
Further, a first spring 301d is provided in the box body 301, the first spring 301d connects the first clamp plate 302b and the inner wall of the placement hole 301a, and the first spring 301d connects the second clamp plate 303b and the inner wall of the placement hole 301 a.
When the first spring 301d is in a natural state, the first clamping plate 302b and the second clamping plate 303b are in positions close to the inner wall of the placing hole 301a, the lead is placed in the placing hole 301a, the first guide post 302a and the second guide post 303a are simultaneously pressed inwards by hands, the first spring 301d is stretched, the first clamping plate 302b and the second clamping plate 303b are folded together to clamp the lead, and the force applied to the first guide post 302a and the second guide post 303a is removed, so that the first clamping plate 302b and the second clamping plate 303b return under the action of the first spring 301d, and the lead is not clamped any more.
The wire assembly 400 is used to electrically connect the wires and the terminals, and after the wires are inserted into the placing holes 301a, the wire assembly 300 is used to clamp the wires, and the conductive assembly 400 also acts to electrically connect the wires, and the connecting assembly 500 is a structure for adjusting the synchronous action of the conductive assembly 400 and the wire assembly 300.
Specifically, the propelling member 501 comprises a first conversion rod 501a, a second conversion rod 501b and a vertical rod 501c, and the first conversion rod 501a and the second conversion rod 501b are connected in the middle;
the end of the first conversion rod 501a is connected with the first clamping plate 302b through a shaft, and the second conversion rod 501b is connected with the second clamping plate 303b through a shaft;
the other ends of the first and second switching levers 501a and 501b are connected to a vertical rod 501 c.
A containing groove 301e is formed in the side wall of the box body 301, and the pushing piece 501 is arranged in the containing groove 301 e;
a guide groove 301f is formed in a side wall of the accommodating groove 301e, the first switching lever 501a and the second switching lever 501b are connected by a connecting shaft 501d, and an end of the connecting shaft 501d is disposed in the guide groove 301 f.
The connecting lines of the first converting lever 501a and the second converting lever 501b are X-shaped, and a connecting shaft 501d is disposed at the intersection, so that the first converting lever 501a and the second converting lever 501b can rotate relatively, the side ends of the first converting lever 501a and the second converting lever 501b are respectively connected with the first clamping plate 302b and the second clamping plate 303b, when the first clamping plate 302b and the second clamping plate 303b are folded inwards, the first converting lever 501a and the second converting lever 501b rotate along the connecting shaft 501d, and the connecting shaft 501d is adapted to move in the guide slot 301 f; the guide groove 301f is horizontally disposed, it should be noted that the first conversion lever 501a and the second conversion lever 501b have the same structure and are disposed in axial symmetry, and the connecting shaft 501d and the guide groove 301f are disposed on a symmetrical line, which is shown as being vertically symmetrical in fig. 5.
The connection positions of the ends of the first conversion rod 501a and the second conversion rod 501b and the first clamping plate 302b and the second clamping plate 303b are rotatable, and the other ends of the first conversion rod 501a and the second conversion rod 501b are slidably connected with the vertical rod 501.
The connecting structure of the connecting shaft 501d and the guide groove 301f stabilizes the motion of the pushing member 501, and the pushing member 501 realizes that the vertical rod 501 slides left and right in the accommodating groove 301e when the first clamping plate 302b and the second clamping plate 303b are opened and closed along the up-down direction of 5 display.
It should be noted that the plugging column 401, the conductive strip 402, the pushing block 403 and the contact plate 404 are all made of metal conductive materials, and the box 301, the first clamping member 302 and the second clamping member 303 are made of insulating materials.
An electric groove 301g and a pushing guide groove 301h are arranged in the box body 301, the pushing guide groove 301h penetrates through the accommodating groove 301e, and the accommodating groove 301e is communicated with the placing hole 301 a;
the conductive strip 402 is disposed in the electrical groove 301g, the pushing block 403 is disposed in the pushing guide groove 301h, and the contact plate 404 is disposed in the placement hole 301 a; the electrical groove 301g communicates with the pushing guide groove 301 h.
The conductive strip 402 is fixedly connected with the plug column 401, the position where the conductive strip 402 is connected with the plug column 401 is fixed, the connection position of the conductive strip 402 and the pushing block 403 can move along with the movement of the pushing block 403 in the pushing guide groove 301h, and the conductive strip 402 and the pushing block 403 are always connected; after the wires are inserted into the placing holes 301a, the pushing block 403 inwardly retracts the contact plate 404 and clamps the wires, so that the wires, the contact plate 404, the pushing block 403, the conductive strip 402 and the plug column 401 are electrically connected to each other.
Whole device is in the arrangement process, and the part that needs touch control is the insulating part, and the electrically conductive position all can hide with the device inside, and the peg graft post 301 sets up in the terminal board, and the security is high.
The end of the pushing block 403 is connected to the bottom of the pushing guide groove 301h through a second spring 403a, and a first inclined surface 403b is arranged on the side of the pushing block 403.
The first inclined surface 403b is disposed on a side of the vertical rod 501c, and the inclined direction of the first inclined surface 403b enables the vertical rod 501c to move towards the pushing block 403 c and press the first inclined surface 403b, so that the vertical rod 501c moves the pushing block 403 towards the placing hole 301a along the pushing guide slot 301 h.
To sum up, after the wire is placed in the placing hole 301a, when the first clamping member 302 and the second clamping member 303 are pressed into the box 301, the first clamping member 302 and the second clamping member 303 clamp the wire, and at the same time, the first clamping plate 302b and the second clamping member 303b drive the first conversion rod 501a and the second conversion rod 501b to move to push the vertical rod 501c, the vertical rod 501c contacts the first inclined surface 403b of the pushing block 403 and presses the first inclined surface 403b to push the pushing block 403 into the placing hole 301a, and the contact plate 404 is in close contact with the wire.
The first spring 301d and the second spring 403a are used for self-return of the respective members after the urging force to the first holding member 302 and the second holding member 303 is removed.
Example 3
Referring to fig. 1 to 7, the present embodiment is different from the previous embodiment in that a side groove 301i is disposed on a side surface of the box body 301, and the side groove 301i is communicated with the accommodating groove 301 e.
The locking member 502 includes a plate 502a, a latch 502b and a shaft 502c, the latch 502b is disposed at an end of the plate 502a, and the plate 502a is connected to the side groove 301i via the shaft 502 c.
One end of the vertical rod 501c facing the pushing block 403 is provided with a second inclined surface 501c-1, and the side surface of the vertical rod 501c is provided with a clamping groove 502 c-2.
In this embodiment, in order to maintain the clamping state of the wire connection assembly 300, a locking member 502 is provided, the locking member 502 can rotate around a rotating shaft 502c, and it should be noted that a torsion spring is provided on the rotating shaft 502c, when the torsion spring is in a natural state, one end of the locking member 502, where the buckle 502b is located, is located in the accommodating groove 301e, specifically, on a moving path of the vertical rod 501c, the clamping groove 502c-2 is provided on the vertical rod 501c towards one side of the locking member 502; after the push block 403 is pushed into the placing hole 301a by the vertical rod 501c, the second inclined surface 501c-1 is continuously moved to touch the buckle 502b, the locking member 502 rotates around the rotating shaft 502c, the torsion spring enables the buckle 502b to have a powerful contact effect with the vertical rod 501c, namely, the buckle 502b is pushed out of the containing groove 301e by the locking member 502 and then is buckled into the clamping groove 502c-2, so that the vertical rod 501c cannot retract, the clamping group 300 keeps a clamping state on the wire, and meanwhile, the contact plate 404 also keeps a clamping contact state with the wire.
If the wire is to be taken out, the end of the locking member 502, where the non-buckle 502b is located, is pressed into the side groove 301i, the buckle 502b leaves the clamping groove 502c-1, the vertical rod 501c returns under the pulling force of the first spring 301d, the wire connection assembly 300 does not clamp the wire, meanwhile, the pushing block 403, which is not pressed by the vertical rod 501c, returns under the action of the second spring 403a, and the contact plate 404 leaves the wire, so that the wire can be taken out.
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 (1)
1. The utility model provides a secondary equipment does not have a power failure and inserts busbar voltage auxiliary device which characterized in that: comprises the steps of (a) preparing a substrate,
the pressure measuring assembly (100) comprises a terminal board (101), a box body (102), an air switch (103), a voltmeter (104) and an external connecting wire (105), wherein the air switch (103) and the voltmeter (104) are arranged in the box body (102), the terminal board (101) is electrically connected with the air switch (103), and the external connecting wire (105) is electrically connected with the voltmeter (104);
the winding assembly (200) comprises a first supporting plate (201), a second supporting plate (202) and a rolling shaft (203), wherein the first supporting plate (201) and the second supporting plate (202) are arranged in parallel relatively, and the end part of the rolling shaft (203) is arranged on the first supporting plate (201) and the second supporting plate (202);
a central hole (203 a) is formed in the roller (203), and a through hole (203 b) is formed in the roller (203) along the radial direction;
a handle (203 c) is arranged at the end part of the rolling shaft (203);
the wire connection assembly (300) comprises a box body (301), a first clamping piece (302) and a second clamping piece (303), wherein the first clamping piece (302) and the second clamping piece (303) are symmetrically arranged in the box body (301);
the end part of the external wire (105) is arranged in the box body (301), and the first clamping piece (302) and the second clamping piece (303) clamp the external wire (105);
a placing hole (301 a), a first guide hole (301 b) and a second guide hole (301 c) are formed in the box body (301), and the first guide hole (301 b) and the second guide hole (301 c) are symmetrical about the placing hole (301 a);
the first clamping piece (302) comprises a first guide post (302 a) and a first clamping plate (302 b), and the first guide post (302 a) is arranged in the first guide hole (301 b);
the second clamping piece (303) comprises a second guide post (303 a) and a second clamping plate (303 b), and the second guide post (303 a) is arranged in the second guide hole (301 c);
a first spring (301 d) is further arranged in the box body (301), the first spring (301 d) is connected with the first clamping plate (302 b) and the inner wall of the placing hole (301 a), and the first spring (301 d) is connected with the second clamping plate (303 b) and the inner wall of the placing hole (301 a);
the conductive assembly (400) comprises a plug-in column (401), a conductive strip (402), a pushing block (403) and a contact plate (404), the plug-in column (401) is arranged at the end of the box body (301), and the conductive strip (402), the pushing block (403) and the contact plate (404) are arranged in the box body (301);
the conductive strip (402) is connected with the plug column (401) and the pushing block (403), and the contact plate (404) is arranged at the end of the pushing block (403);
the connecting assembly (500) comprises a pushing piece (501) and a locking piece (502), the pushing piece (501) is connected with the wiring assembly (300) and the conductive assembly (400), and the locking piece (502) is arranged on the side surface of the box body (301);
the propelling piece (501) comprises a first conversion rod (501 a), a second conversion rod (501 b) and a vertical rod (501 c), and the first conversion rod (501 a) is connected with the second conversion rod (501 b) in the middle;
the end of the first conversion rod (501 a) is connected with the shaft of the first clamping plate (302 b), and the second conversion rod (501 b) is connected with the shaft of the second clamping plate (303 b);
the other ends of the first conversion rod (501 a) and the second conversion rod (501 b) are connected with the vertical rod (501 c);
a containing groove (301 e) is formed in the side wall of the box body (301), and the pushing piece (501) is arranged in the containing groove (301 e);
a guide groove (301 f) is formed in the side wall of the containing groove (301 e), the middle of the first conversion rod (501 a) and the middle of the second conversion rod (501 b) are connected through a connecting shaft (501 d), and the end portion of the connecting shaft (501 d) is arranged in the guide groove (301 f).
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| CN114019612B (en) * | 2021-11-23 | 2022-12-23 | 贵州电网有限责任公司 | Substation secondary equipment optical fiber link physical safety measure auxiliary tool |
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