CN219891284U - Terminal conversion wiring mechanism and test device for opening and closing of circuit breaker of thermal power plant - Google Patents

Abstract

The utility model discloses a terminal switching wiring mechanism and a test device for switching on and off of a circuit breaker of a thermal power plant, comprising a storage component, wherein the storage component comprises a box body and a wire connector arranged on the side surface of the box body, and the wire connector is spliced with a connecting wire; the anti-drop assembly is located the side of box body main part, including down clamping plate, last clamping plate and height-adjusting piece, down clamping plate and last clamping plate are used for pressing from both sides tight connecting wire, and height-adjusting piece is used for adjusting the height of last clamping plate. Through setting up anticreep subassembly for this terminal box's wiring steadiness is high, and connecting wire is difficult for droing, avoids appearing virtually linking and the condition emergence of short circuit, can separate between each wire, avoids entanglement together, and anticreep subassembly not only has wire clamping function, still can regard as the guard plate to use, has safeguard function, so can improve experimental security.

Description

Terminal conversion wiring mechanism and test device for opening and closing of circuit breaker of thermal power plant

Technical Field

The utility model relates to the technical field of power equipment test, in particular to a terminal conversion wiring mechanism and a test device for opening and closing a circuit breaker of a thermal power plant

Background

A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. The circuit breaker can be used for distributing electric energy, starting the asynchronous motor infrequently, protecting a power line, the motor and the like, and automatically cutting off the circuit when serious overload or short circuit, undervoltage and other faults occur, and the functions of the circuit breaker are equivalent to the combination of a fuse type switch, an over-under-heating relay and the like. And the parts are not required to be changed after breaking the fault current. A wide range of applications have been achieved.

The circuit breaker has an arc extinguishing capability as a switching device, and can cut off a load current and a short-circuit fault current. The power supply system plays a role in changing the operation mode and cutting off the fault equipment. The circuit breaker needs to be subjected to a remote opening and closing test before power transmission (after maintenance) so as to ensure that the circuit breaker can be normally closed after the short-circuit current is disconnected, and the electrical performance is still normal. However, the existing opening and closing test terminal junction box has the problems that connecting wires are not firm enough and are easy to loose, protective measures are lacked in the test, and safety is insufficient.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The utility model has been made in view of the above or the fact that the terminal block in the prior art has a weak connection wire, is easily loosened, and lacks protection measures in the test, and is not safe enough.

It is therefore an object of the present utility model to provide a terminal conversion wiring mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: the terminal switching wiring mechanism comprises a storage component, a connecting component and a connecting component, wherein the storage component comprises a box body and a wire connector arranged on the side surface of the box body, and the wire connector is spliced with a connecting wire; the anti-falling assembly is positioned at the side of the box body main body and comprises a lower clamping plate, an upper clamping plate and a height adjusting piece, wherein the lower clamping plate and the upper clamping plate are used for clamping connecting wires, and the height adjusting piece is used for adjusting the height of the upper clamping plate; and the pressing assembly is positioned on the upper clamping plate above the box body and is used for pressing the box body.

As a preferred embodiment of the terminal conversion wiring mechanism of the present utility model, wherein: the lower clamping plate comprises a lower clamping plate body; the top of the lower clamping plate body is provided with a lower semicircular groove, and two symmetrically distributed lower clamping rods are fixed in the lower semicircular groove.

As a preferred embodiment of the terminal conversion wiring mechanism of the present utility model, wherein: the upper clamping plate comprises an upper clamping plate body; the shape of the upper clamping plate body is set to be the shape, and the bottom of the upper clamping plate body is provided with an upper semicircular groove, and two symmetrically distributed upper clamping bars are fixed in the upper semicircular groove and clamp connecting wires by the two upper clamping bars and the two lower clamping bars.

As a preferred embodiment of the terminal conversion wiring mechanism of the present utility model, wherein: the top of the lower clamping plate body is also fixed with a bulge; the bottom of the upper clamping plate is provided with a slot matched with the bulge.

As a preferred embodiment of the terminal conversion wiring mechanism of the present utility model, wherein: the height adjusting piece comprises a connecting plate, a first lifting screw, a first screw sleeve, a supporting plate and a first guide rod; the bottom of the connecting plate is fixedly connected with the top of the upper clamping plate body, the top of the connecting plate is rotationally connected with the bottom end of the first lifting screw rod, the first lifting screw rod penetrates through the first screw sleeve, and the first screw sleeve is fixedly penetrated on the top plate of the supporting plate; the top both ends of the type connecting plate are fixed with first guide rods, and the top ends of the first guide rods movably penetrate through the top plate of the supporting plate.

As a preferred embodiment of the terminal conversion wiring mechanism of the present utility model, wherein: the pressing assembly comprises a lower pressing plate, a buffer rod, a buffer spring, an upper pressing plate, a second lifting screw, a second screw sleeve and a second guide rod; the lower pressing plate is abutted with the top of the box body and used for pressing the box body; the top both ends of holding down plate all are fixed with the buffer rod, and the top activity of buffer rod is passed through the top board, and the cover is equipped with buffer spring on the buffer rod.

As a preferred embodiment of the terminal conversion wiring mechanism of the present utility model, wherein: the top of top board and the bottom rotation of second lift screw are connected, and the second lift screw runs through the second swivel nut, and the second swivel nut runs through to be fixed on the roof of last clamping plate body, and the top both ends of top board all are fixed with the second guide arm, and the second guide arm activity runs through the roof of last clamping plate body.

The terminal conversion wiring mechanism has the beneficial effects that: through setting up anticreep subassembly for this terminal box's wiring steadiness is high, and connecting wire is difficult for droing, avoids appearing virtually linking and the condition emergence of short circuit, can separate between each wire, avoids entanglement together, and anticreep subassembly not only has wire clamping function, still can regard as the guard plate to use, has safeguard function, so can improve experimental security.

Through setting up the subassembly that compresses tightly for the box body main part can be firmly compressed tightly in square draw-in groove, avoids the box body main part to remove, and the installation of box body main part is dismantled also more conveniently, only improves whole last grip block through the piece of increaseing, can be very convenient take out, install the box body main part.

In view of the fact that in the practical use process, the test efficiency is low, and the problem that multiple groups are difficult to test simultaneously exists.

In order to solve the technical problems, the utility model also provides the following technical scheme: the test device for opening and closing the circuit breaker of the thermal power plant comprises a terminal switching wiring mechanism and a circuit breaker body, wherein the circuit breaker body is connected with a box body through a connecting wire; and the supporting component is used for supporting the accommodating and storing component and the breaker body.

As a preferable scheme of the test device for opening and closing the circuit breaker of the thermal power plant, the utility model comprises the following steps: the supporting component comprises a first test bed, a second test bed and a supporting box body; the top of the first test bed is provided with a plurality of square clamping grooves which are distributed at equal intervals, the box body main body is clamped into the square clamping grooves, and the lower clamping plate body and the supporting plate are fixed at the top of the first test bed; the top of the second test bench is also provided with a plurality of square clamping grooves which are distributed at equal intervals, the breaker body is clamped into the square clamping grooves, the top of the second test bench is provided with an annular clamping groove, and a protective cover for protecting the breaker body is clamped in the annular clamping groove; the protective cover is arranged as a transparent cover body.

The test device for opening and closing the circuit breaker of the thermal power plant has the beneficial effects that: through setting up first test bench and second test bench, and set up a plurality of square draw-in grooves on every test bench for this test device can carry out the divide-shut brake test to the circuit breaker body simultaneously, and test efficiency can obtain improving greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the overall structure of a terminal switching connection mechanism.

Fig. 2 is a schematic diagram of a structure of an anti-drop assembly of the terminal switching connection mechanism.

Fig. 3 is a schematic diagram of a second anti-drop assembly of the terminal switching connection mechanism.

Fig. 4 is a schematic structural diagram of a compression assembly of a test device for opening and closing a circuit breaker of a thermal power plant.

Fig. 5 is a schematic diagram of the whole structure of a test device for opening and closing a circuit breaker of a thermal power plant.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. 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 to 3, a terminal conversion wiring mechanism is provided for improving the effect of wiring stability of a junction box according to a first embodiment of the present utility model, and the terminal conversion wiring mechanism comprises a storage assembly 100, including a box body 101 and a wire connector 102 disposed on a side surface of the box body 101, wherein the wire connector 102 is plugged with a connecting wire 103; the anti-drop assembly 200 is positioned at the side of the box body 101 and comprises a lower clamping plate 201, an upper clamping plate 202 and a height adjusting piece 203, wherein the lower clamping plate 201 and the upper clamping plate 202 are used for clamping the connecting wire 103, and the height adjusting piece 203 is used for adjusting the height of the upper clamping plate 202; the pressing assembly 300 is located on the upper clamping plate 202 above the box body 101, and is used for pressing the box body 101.

Specifically, the lower clamp plate 201 includes a lower clamp plate body 201a; the top of the lower clamping plate body 201a is provided with a lower semicircular groove 201b, and two lower clamping rods 201c which are symmetrically distributed are fixed in the lower semicircular groove 201 b.

Specifically, the upper clamping plate 202 includes an upper clamping plate body 202a; the upper clamping plate body 202a is U-shaped, an upper semicircular groove 202b is formed in the bottom of the upper clamping plate body 202a, two symmetrically distributed upper clamping rods 202c are fixed in the upper semicircular groove 202b, and the two upper clamping rods 202c and the two lower clamping rods 201c clamp the connecting wire 103; the top of the lower clamping plate body 201a is also fixed with a protrusion 201d; the bottom of the upper clamping plate 202 is provided with a slot which mates with the protrusion 201 d.

Specifically, the height-adjusting member 203 includes a U-shaped connection plate 203a, a first lifting screw 203b, a first threaded sleeve 203c, an L-shaped support plate 203d, and a first guide rod 203e; the bottom of the U-shaped connecting plate 203a is fixedly connected with the top of the upper clamping plate body 202a, the top of the U-shaped connecting plate 203a is rotationally connected with the bottom end of the first lifting screw 203b, the first lifting screw 203b penetrates through the first threaded sleeve 203c, and the first threaded sleeve 203c penetrates through and is fixed on the top plate of the L-shaped supporting plate 203 d; the two ends of the top of the U-shaped connecting plate 203a are also fixed with a first guide rod 203e, and the top end of the first guide rod 203e movably penetrates through the top plate of the L-shaped supporting plate 203 d.

In use, the connecting wire 103 is inserted into the wire connector 102 and locked by the screws of the prior art, and then the first lifting screw 203b is rotated, the first lifting screw 203b drives the U-shaped connecting plate 203a to descend, and the U-shaped connecting plate 203a drives the first guide rod 203e and the upper clamping plate body 202a to descend until the two upper clamping bars 202c and the two lower clamping bars 201c clamp the connecting wire 103.

In sum, through setting up anticreep subassembly 200 for the wiring steadiness of this terminal box is high, and connecting wire 103 is difficult for droing, avoids appearing the condition emergence of virtual connection and short circuit, can separate between each wire, avoids entanglement together, and anticreep subassembly 200 not only has wire clamping function, still can regard as the guard plate to use, has safeguard function, so can improve experimental security.

Example 2

Referring to fig. 1 to 4, in a second embodiment of the present utility model, unlike the previous embodiment, the present embodiment provides a terminal conversion wiring mechanism, which can improve stability of the box body 101 during testing, and also facilitate removal and installation of the box body 101, the pressing assembly 300 includes a lower pressing plate 301, a buffer rod 302, a buffer spring 303, an upper pressing plate 304, a second lifting screw 305, a second screw sleeve 306, and a second guide rod 307; the lower pressing plate 301 is abutted with the top of the box body 101 and used for pressing the box body 101; the two ends of the top of the lower pressing plate 301 are both fixed with buffer rods 302, the top ends of the buffer rods 302 movably penetrate through the upper pressing plate 304, and buffer springs 303 are sleeved on the buffer rods 302; the top of the upper pressing plate 304 is rotationally connected with the bottom end of a second lifting screw 305, the second lifting screw 305 penetrates through a second screw sleeve 306, the second screw sleeve 306 penetrates through and is fixed on the top plate of the upper clamping plate body 202a, second guide rods 307 are fixed at two ends of the top of the upper pressing plate 304, and the second guide rods 307 movably penetrate through the top plate of the upper clamping plate body 202a; the lower clamping plate body 201a, the upper clamping plate body 202a, the U-shaped connection plate 203a, the L-shaped support plate 203d, the lower pressing plate 301, and the upper pressing plate 304 are all provided as transparent plates.

In use, the second lifting screw 305 is rotated, and the second lifting screw 305 drives the upper platen 304, the second guide rod 307, and the lower platen 301 to descend until the lower platen 301 presses the box body 101, and at this time, the buffer spring 303 is compressed.

To sum up, through setting up the subassembly 300 that compresses tightly for box body main part 101 can be firmly compressed tightly in square draw-in groove 501a, avoids box body main part 101 to remove, and the installation of box body main part 101 is dismantled also more conveniently, only improves whole last clamping plate 202 through height-adjusting piece 203, can be very convenient take out, install box body main part 101.

Example 3

Referring to fig. 1 to 5, which are a third embodiment of the present utility model, unlike the previous embodiment, the embodiment provides a test device for opening and closing a circuit breaker of a thermal power plant, which includes a terminal switching wiring mechanism, and a circuit breaker body 400, the circuit breaker body 400 being connected to a box body 101 through a connection wire 103; the support assembly 500 supports the storage assembly 100 and the circuit breaker body 400.

Specifically, the support assembly 500 includes a first test stand 501, a second test stand 502, and a support box 503; the top of the first test bench 501 is provided with a plurality of square clamping grooves 501a which are distributed at equal intervals, the box body main body 101 is clamped into the square clamping grooves 501a, and the lower clamping plate main body 201a and the L-shaped supporting plate 203d are fixed at the top of the first test bench 501; the top of the second test stand 502 is also provided with a plurality of square clamping grooves 501a which are distributed at equal intervals, the breaker body 400 is clamped into the square clamping grooves 501a, the top of the second test stand 502 is provided with an annular clamping groove 502a, and a protective cover 401 for protecting the breaker body 400 is clamped in the annular clamping groove 502 a; the shield 401 is provided as a transparent cover.

Through setting up first test bench 501 and second test bench 502, and set up a plurality of square draw-in grooves 501a on every test bench for this test device can carry out the divide-shut brake test to circuit breaker body 400 simultaneously, and test efficiency can obtain improving greatly.

It is important to note that the construction and arrangement of the utility model 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., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described 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 present utility model. 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 utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

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.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. Terminal conversion wiring mechanism, its characterized in that: comprising the steps of (a) a step of,

the storage component (100) comprises a box body (101) and a wire connector (102) arranged on the side surface of the box body (101), wherein the wire connector (102) is spliced with a connecting wire (103);

the anti-falling assembly (200) is positioned on one side of the box body (101) and comprises a lower clamping plate (201), an upper clamping plate (202) and a height adjusting piece (203), wherein the lower clamping plate (201) and the upper clamping plate (202) are used for clamping the connecting wire (103), and the height adjusting piece (203) is used for adjusting the height of the upper clamping plate (202);

and the pressing assembly (300) is positioned on the upper clamping plate (202) above the box body (101) and is used for pressing the box body (101).

2. The terminal conversion wiring mechanism as in claim 1, wherein: the lower clamping plate (201) comprises a lower clamping plate body (201 a);

the top of lower clamping plate body (201 a) is provided with lower semicircle groove (201 b), lower semicircle groove (201 b) internal fixation has lower clamping rod (201 c) of symmetric distribution.

3. The terminal conversion wiring mechanism as in claim 2, wherein: the upper clamping plate (202) comprises an upper clamping plate body (202 a);

the shape of the upper clamping plate body (202 a) is set to be U-shaped, an upper semicircular groove (202 b) is formed in the bottom of the upper clamping plate body (202 a), symmetrically distributed upper clamping rods (202 c) are fixed in the upper semicircular groove (202 b), and the upper clamping rods (202 c) and the lower clamping rods (201 c) clamp the connecting wires (103).

4. A terminal conversion wiring mechanism as in claim 3, wherein: a protrusion (201 d) is also fixed at the top of the lower clamping plate body (201 a);

the bottom of the upper clamping plate (202) is provided with a slot matched with the protrusion (201 d).

5. A terminal conversion wiring mechanism as in claim 3, wherein: the height adjusting piece (203) comprises a U-shaped connecting plate (203 a), a first lifting screw (203 b), a first screw sleeve (203 c), an L-shaped supporting plate (203 d) and a first guide rod (203 e);

the bottom of the U-shaped connecting plate (203 a) is fixedly connected with the top of the upper clamping plate body (202 a), the top of the U-shaped connecting plate (203 a) is rotationally connected with the bottom end of the first lifting screw (203 b), the first lifting screw (203 b) penetrates through the first screw sleeve (203 c), and the first screw sleeve (203 c) penetrates through and is fixed on the top plate of the L-shaped supporting plate (203 d);

the two ends of the top of the U-shaped connecting plate (203 a) are also fixed with the first guide rod (203 e), and the top end of the first guide rod (203 e) movably penetrates through the top plate of the L-shaped supporting plate (203 d).

6. A terminal conversion wiring mechanism according to any one of claims 1 to 5, wherein: the compression assembly (300) comprises a lower pressing plate (301), a buffer rod (302), a buffer spring (303), an upper pressing plate (304), a second lifting screw (305), a second screw sleeve (306) and a second guide rod (307);

the lower pressing plate (301) is abutted with the top of the box body (101) and used for pressing the box body (101);

the top both ends of holding down plate (301) all are fixed with buffer rod (302), the top activity of buffer rod (302) runs through top clamp plate (304), just the cover is equipped with on buffer rod (302) buffer spring (303).

7. The terminal conversion wiring mechanism as in claim 6, wherein: the top of top board (304) with the bottom of second lift screw (305) rotates to be connected, second lift screw (305) run through second swivel nut (306), second swivel nut (306) run through and are fixed on the roof of last clamping plate body (202 a), the top both ends of top board (304) all are fixed with second guide arm (307), second guide arm (307) activity run through the roof of last clamping plate body (202 a).

8. Testing arrangement of circuit breaker divide-shut brake of thermal power plant, its characterized in that: comprising the terminal conversion wiring mechanism as claimed in any one of claims 1 to 7, and,

a circuit breaker body (400), the circuit breaker body (400) being connected to the box body (101) by a connecting wire (103);

and a support assembly (500) for supporting the storage assembly (100) and the circuit breaker body (400).

9. The test device for opening and closing a circuit breaker of a thermal power plant according to claim 8, wherein: the support assembly (500) comprises a first test bed (501), a second test bed (502) and a support box body (503);

the top of first test bench (501) is provided with square draw-in groove (501 a) of a plurality of equidistant distributions, box body main part (101) card is gone into in square draw-in groove (501 a), down clamp plate body (201 a) with L type backup pad (203 d) are all fixed the top of first test bench (501).

10. The test device for opening and closing a circuit breaker of a thermal power plant according to claim 9, wherein: the top of the second test bench (502) is also provided with a plurality of square clamping grooves (501 a) which are distributed at equal intervals, the circuit breaker body (400) is clamped into the square clamping grooves (501 a), the top of the second test bench (502) is provided with an annular clamping groove (502 a), and a protective cover (401) for protecting the circuit breaker body (400) is clamped in the annular clamping groove (502 a);

the protective cover (401) is arranged as a transparent cover body.