Switch cabinet circuit breaker structure for confirming position condition

Abstract

The utility model belongs to the technical field of switch cabinets, and relates to a switch cabinet circuit breaker structure for confirming position conditions. The circuit breaker body (2) is installed on the chassis vehicle body (1), the stroke pressing plate (3) is installed on a side plate on one side of the chassis vehicle body (1), the stroke pressing plate (3) comprises a contact end (32), a first slope part (31) is arranged on one side of the contact end (32), a second slope part (33) is arranged on the other side of the contact end (32), and the second slope part (33) is connected with a stroke pressing plate connecting part (30). The first slope part (31), the contact end (32), the second slope part (33) and the stroke pressing plate connecting part (30) are of an integrated structure. According to the switch cabinet circuit breaker structure for confirming the position condition, when the circuit breaker is switched between the working position and the test position, a function of confirming the position condition of the circuit breaker is added, double confirmation of advance and retreat of the circuit breaker is realized, and the reliability of the use performance of the circuit breaker is improved for confirming the position condition.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of switch cabinet, more specifically, relate to a switch cabinet circuit breaker structure for confirming position condition. BACKGROUND

[0002] The switch cabinet is a kind of electrical equipment, mainly in the process of power generation, transmission, distribution and electric energy conversion in power system, opening and closing, control and protection of electrical equipment.The components in the switch cabinet mainly include circuit breaker, disconnecting switch, load switch, operating mechanism, transformer and various protection devices, etc.In the existing middle-mounted switch cabinet, to make the middle-mounted circuit breaker conveniently realize push in (push in working position from test position and lock) and exit (exit test position from working position and lock) function, generally adopt a chassis car to carry disconnecting switch, circuit breaker and other electrical equipment, and the chassis car is driven forward or backward on the track in the switch cabinet by the travelling wheel mounted on the chassis car.Working position is moved to the working position by shaking handle and making travelling wheel drive car frame and circuit breaker arranged on the car frame.In actual operation process, whether the circuit breaker is in place is mainly determined by the position confirmation of auxiliary switch after the lead wire rod is in place, there is certain safety hazard, and it cannot meet the equipment position "double confirmation" discrimination requirement.

[0003] The prior art with the name "a vacuum circuit breaker" and the publication number "CN107958809A" discloses a vacuum circuit breaker, including circuit breaker body and chassis car, circuit breaker body is placed on the chassis car, the chassis car includes handle and screw rod, and the vacuum circuit breaker is driven as a whole by driving screw rod through shaking handle, wherein, the chassis car further includes wheel, the wheel is driven through transmission shaft, and the vacuum circuit breaker can stably roll on the track through the wheel;Because of the special wheel structure, the vacuum circuit breaker can stably enter and exit the installation chamber, and the mechanical performance of the vacuum circuit breaker body is well protected, and the service life of the vacuum circuit breaker is prolonged.

[0004] However, the technology does not involve the technical problems and technical solutions of the present application. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problems that: for the deficiencies of prior art, provide a kind of structure simple, effectively increase a circuit breaker position condition confirmation function when circuit breaker switches between working position and test position, realize circuit breaker "double confirmation" of advance and retreat to place, improve circuit breaker performance reliability for confirming position condition switch cabinet circuit breaker structure.

[0006] To solve the above-mentioned technical problems, the technical scheme adopted by the utility model is as follows:

[0007] The utility model discloses a switch cabinet circuit breaker structure for confirming position condition, and circuit breaker body is installed on the bottom disc car car body, installs the stroke pressing plate on the side plate of one side of bottom disc car car body, and the stroke pressing plate includes the contact end, sets up the first slope portion on the one side of contact end, sets up the second slope portion on the other side of contact end, and the second slope portion is connected stroke pressing plate connecting portion.

[0008] The first slope portion, the contact end, the second slope portion and the stroke pressing plate connecting portion are in an integrated structure.

[0009] A long slot is arranged on the stroke pressing plate connecting portion, and a bolt passes through the long slot to connect the stroke pressing plate with the side plate of one side of the bottom disc car car body.

[0010] The stroke pressing plate protrudes from the circuit breaker body.

[0011] The bottom disc car car body comprises a plurality of end beams, and the circuit breaker body is connected with the end beams.

[0012] A stroke switch is arranged in the switch cabinet.

[0013] When the circuit breaker is switched from the test position to the working position, the first slope portion of the stroke pressing plate is arranged to be capable of first contacting the stroke switch contact point.

[0014] When the circuit breaker is switched from the working position to the test position, the second slope portion of the stroke pressing plate is arranged to be capable of first contacting the stroke switch contact point.

[0015] The technical scheme of the utility model has the following working principle and beneficial effects:

[0016] The utility model discloses a switch cabinet circuit breaker structure for confirming position situation, and the circuit breaker body is installed on the chassis car car body, and the chassis car body can drive the circuit breaker body to move, realizes the back and forth switching of circuit breaker body in the test position and the working position. For solving the technical problem of the utility model discloses, installs the stroke pressure plate on the chassis car car body one side side plate, can be the left side plate of chassis car car body or the right side plate of chassis car car body. The stroke pressure plate includes the contact end, and the first slope part is arranged on the one side of contact end, and the second slope part is arranged on the other side of contact end, and the second slope part is connected stroke pressure plate connecting portion. In this way, when the circuit breaker enters the switch cabinet from the switch cabinet outside, namely, the circuit breaker switches from the test position to the working position, the first slope part of stroke pressure plate can first contact the stroke switch contact, thereby can slowly press the stroke switch on the switch cabinet, and the position of switch cabinet relative to the circuit breaker is confirmed through contact, realizes the confirmation of circuit breaker position state, and the contact end completely contacts the switch, and this indicates that the circuit breaker moves to the working position and is completely in place, and when the stroke pressure plate contacts the stroke switch, there is a buffer, prevents the stroke pressure plate contact section from suddenly pressing the stroke switch contact on the switch cabinet, avoids causing the impact to be too big, makes the stroke switch life reduction problem appear. When the circuit breaker retreats from the switch cabinet inside to the switch cabinet outside, namely, the circuit breaker switches from the working position to the test position, the second slope part of stroke pressure plate can first contact the stroke switch contact, thereby can slowly press the stroke switch on the switch cabinet, and the position of switch cabinet relative to the circuit breaker is confirmed through contact, realizes the confirmation of circuit breaker position state, and the contact end does not contact the switch completely, and this indicates that the circuit breaker exits successfully, and when the stroke pressure plate contacts the stroke switch, there is a buffer, prevents the stroke pressure plate contact section from suddenly pressing the stroke switch contact on the switch cabinet, causes the impact to be too big, makes the stroke switch life reduction. BRIEF DESCRIPTION OF DRAWINGS

[0017] The following is a brief description of the content expressed by each drawing of the present specification and the marks in the drawings:

[0018] Figure 1 It is the front view structural schematic diagram for the switch cabinet circuit breaker structure for confirming position situation of the utility model;

[0019] Figure 2 It is the side view structural schematic diagram for the switch cabinet circuit breaker structure for confirming position situation of the utility model;

[0020] Figure 3 It is the front view structural schematic diagram for the stroke pressure plate of the switch cabinet circuit breaker structure for confirming position situation of the utility model;

[0021] Figure 4 It is the plan view structural schematic diagram for the stroke pressure plate of the switch cabinet circuit breaker structure for confirming position situation of the utility model;

[0022] Figure 5 The overhead structure schematic view of the switch cabinet circuit breaker structure for confirming position condition;

[0023] In the drawing, marks are respectively: 1, chassis car body; 2, circuit breaker body; 3, stroke pressing plate; 30, stroke pressing plate connecting part; 31, first slope part; 32, contact end; 33, second slope part; 34, long slot; 4, screw rod; 5, auxiliary switch. DETAILED DESCRIPTION

[0024] The shape, structure, mutual position and connecting relationship between parts, the function and working principle of each part of the specific embodiment of the utility model are further explained in detail by the description of the embodiment with reference to the drawings:

[0025] As shown in the accompanying Figure 1 - the accompanying Figure 5The utility model discloses a switch cabinet circuit breaker structure for confirming position condition, and circuit breaker body 2 is installed on the chassis car car body 11, installs stroke pressing plate 3 on the side plate of one side of chassis car car body 11, and stroke pressing plate 3 includes contact end 32, and the first slope portion 31 is arranged on one side of contact end 32, and the second slope portion 33 is arranged on the other side of contact end 32, and the second slope portion 33 is connected stroke pressing plate connecting portion 30. The above structure, for the deficiency in the prior art, proposes the technical scheme of improvement. When setting structure, circuit breaker body 2 is installed on the chassis car car body 11, and the chassis car body can drive circuit breaker body to move, realizes that circuit breaker body switches back and forth in test position and working position. To solve the technical problem described in the utility model, install stroke pressing plate 3 on the side plate of one side of chassis car car body 11, and it can be the left side plate of chassis car car body 11 or the right side plate of chassis car car body 11. Stroke pressing plate 3 includes contact end 32, and the first slope portion 31 is arranged on one side of contact end 32, and the second slope portion 33 is arranged on the other side of contact end 32, and the second slope portion 33 is connected stroke pressing plate connecting portion 30. In this way, when circuit breaker enters switch cabinet interior from switch cabinet exterior, namely circuit breaker switches from test position to working position, the first slope portion 31 of stroke pressing plate 3 can first contact stroke switch contact, thereby can slowly press towards stroke switch on switch cabinet, confirms the position of switch cabinet relative to circuit breaker through contact, realizes the confirmation of circuit breaker position state, and the switch is formed when contact end completely contacts, and circuit breaker moves to working position completely in place, and there is a buffer when stroke pressing plate contacts stroke switch, prevents stroke pressing plate contact section from suddenly pressing towards stroke switch contact on switch cabinet, avoids causing too big impact, makes stroke switch life reduce problem appear. When circuit breaker retreats from switch cabinet interior to switch cabinet exterior, namely circuit breaker switches from working position to test position, the second slope portion 33 of stroke pressing plate 3 can first contact stroke switch contact, thereby can slowly press towards stroke switch on switch cabinet, confirms the position of switch cabinet relative to circuit breaker through contact, realizes the confirmation of circuit breaker position state, and the switch is formed when contact end completely does not contact, and circuit breaker exits successfully, and there is a buffer when stroke pressing plate contacts stroke switch, prevents stroke pressing plate contact section from suddenly pressing towards stroke switch contact on switch cabinet, causes too big impact, makes stroke switch life reduce. The switch cabinet circuit breaker structure for confirming position condition described in the utility model, simple structure, when circuit breaker switches between working position and test position, effectively increases a circuit breaker position condition confirmation function, realizes circuit breaker " double confirmation " in and out of position, improves the reliability of circuit breaker use performance for confirming position condition.

[0026] The first slope portion 31, the contact end 32, the second slope portion 33 and the stroke pressing plate connecting portion 30 are in an integrated structure. The stroke pressing plate is integrally formed, and the processing is simple.

[0027] The long slot 34 is arranged on the travel pressing plate connecting part 30, and the bolt passes through the long slot 34 to connect the travel pressing plate 3 with one side plate of the chassis vehicle body 11. The long slot is processed after the travel pressing plate is pressed, and is used to reliably realize the connection between the travel pressing plate and the circuit breaker body.

[0028] The travel pressing plate 3 protrudes from the circuit breaker body 2. The above structure ensures that when the circuit breaker enters the switch cabinet, the first slope of the pressing plate first contacts the travel switch of the switch cabinet. When the circuit breaker exits the switch cabinet, the second slope of the pressing plate first contacts the travel switch of the switch cabinet.

[0029] The chassis vehicle body 11 includes a plurality of end beams, and the circuit breaker body 2 is connected to the end beams.

[0030] The travel switch is arranged in the switch cabinet. The travel switch is used in cooperation with the travel pressing plate 3, and in combination with the confirmation of the screw rod and the auxiliary switch in the switch cabinet structure which belongs to the prior art, the "double confirmation" of the circuit breaker position state is formed, and the performance reliability is effectively improved.

[0031] When the circuit breaker switches from the test position to the working position, the first slope 31 of the travel pressing plate 3 is arranged to be able to first contact the travel switch contact. The above structure, when the circuit breaker enters the inside of the switch cabinet from the outside of the switch cabinet, that is, when the circuit breaker switches from the test position to the working position, the first slope 31 of the travel pressing plate 3 can first contact the travel switch contact, so that it can slowly press the travel switch on the switch cabinet. By contacting, the position of the switch cabinet relative to the circuit breaker is confirmed, the confirmation of the circuit breaker position state is realized, the complete contact of the contact end forms a switch, which indicates that the circuit breaker has moved to the working position and is completely in place. When the travel pressing plate contacts the travel switch, there is a buffer, which prevents the travel pressing plate contact section from suddenly pressing the travel switch contact on the switch cabinet, avoids causing too large impact, and causes the problem of reducing the service life of the travel switch.

[0032] When the circuit breaker switches from the working position to the test position, the second slope 33 of the travel pressing plate 3 is arranged to be able to first contact the travel switch contact. The above structure, when the circuit breaker exits from the inside of the switch cabinet to the outside of the switch cabinet, that is, when the circuit breaker switches from the working position to the test position, the second slope 33 of the travel pressing plate 3 can first contact the travel switch contact, so that it can slowly press the travel switch on the switch cabinet. By contacting, the position of the switch cabinet relative to the circuit breaker is confirmed, the confirmation of the circuit breaker position state is realized, the complete non-contact of the contact end forms a switch, which indicates that the circuit breaker has exited successfully. When the travel pressing plate contacts the travel switch, there is a buffer, which prevents the travel pressing plate contact section from suddenly pressing the travel switch contact on the switch cabinet, causes too large impact, and reduces the service life of the travel switch.

[0033] The utility model discloses a switch cabinet circuit breaker structure for confirming position condition, when the structure sets up, circuit breaker body 2 is installed on the chassis car body 11, and the chassis car body can drive circuit breaker body and moves, realizes circuit breaker body to and fro switching in the test position and working position. For solving the technical problem of the utility model, installs the stroke pressure plate 3 on the chassis car body 11 one side side plate, can be the left side side plate of chassis car body 11 or the right side side plate of chassis car body 11. Stroke pressure plate 3 includes contact end 32, and the first slope part 31 is set to one side of contact end 32, and the second slope part 33 is set to the other side of contact end 32, and the second slope part 33 is connected stroke pressure plate connecting portion 30. In this way, when circuit breaker enters switch cabinet interior from switch cabinet exterior, namely circuit breaker switches from test position to working position, the first slope part 31 of stroke pressure plate 3 can first contact stroke switch contact, can slowly press towards stroke switch on switch cabinet, confirm the position of switch cabinet relative to circuit breaker through contact, realize circuit breaker position state confirmation, and the contact end completely contacts and forms switch, then indicates that circuit breaker moves to working position and is completely in place, and when stroke pressure plate contacts stroke switch, there is a buffer, prevents stroke pressure plate contact section and suddenly press towards stroke switch contact on switch cabinet, avoids causing too big impact, makes stroke switch life reduce problem appear. When circuit breaker retreats to switch cabinet exterior from switch cabinet interior, namely circuit breaker switches from working position to test position, the second slope part 33 of stroke pressure plate 3 can first contact stroke switch contact, can slowly press towards stroke switch on switch cabinet, confirm the position of switch cabinet relative to circuit breaker through contact, realize circuit breaker position state confirmation, and the contact end does not completely contact and form switch, then indicates that circuit breaker exits successfully, and when stroke pressure plate contacts stroke switch, there is a buffer, prevents stroke pressure plate contact section and suddenly press towards stroke switch contact on switch cabinet, causes too big impact, makes stroke switch life reduce.

[0034] The utility model has been described exemplarily above in connection with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as various improvements are made by adopting the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A switchgear circuit breaker arrangement for confirming a position condition, characterized by: The circuit breaker body (2) is installed on the chassis car body (1), the stroke pressing plate (3) is installed on one side of the chassis car body (1), the stroke pressing plate (3) comprises a contact end (32), a first slope part (31) is arranged on one side of the contact end (32), a second slope part (33) is arranged on the other side of the contact end (32), and the second slope part (33) is connected with the stroke pressing plate connecting part (30).

2. The switchgear circuit breaker structure for confirming the position condition according to claim 1, characterized in that: The first slope part (31), the contact end (32), the second slope part (33) and the stroke pressing plate connecting part (30) are of an integrated structure.

3. The switchgear circuit breaker structure for confirming the position condition according to claim 2, characterized by: A long slot (34) is arranged on the stroke pressing plate connecting part (30), and a bolt passes through the long slot (34) to connect the stroke pressing plate (3) with one side of the chassis car body (1).

4. The switchgear circuit breaker structure for confirming the position condition according to claim 1 or 2, characterized by: The stroke pressing plate (3) protrudes from the circuit breaker body (2).

5. The switchgear circuit breaker structure for confirming the position condition according to claim 1 or 2, characterized by: The chassis car body (1) comprises a plurality of end beams, and the circuit breaker body (2) is connected with the end beams.

6. The switchgear circuit breaker structure for confirming the position condition according to claim 1 or 2, characterized by: A stroke switch is arranged in the switch cabinet.

7. The switchgear circuit breaker structure for confirming the position condition according to claim 6, characterized by: When the circuit breaker is switched from the test position to the working position, the first slope part (31) of the stroke pressing plate (3) is arranged to be capable of first contacting the stroke switch contact.

8. The switchgear circuit breaker structure for confirming the position condition according to claim 6, characterized by: When the circuit breaker is switched from the working position to the test position, the second slope part (33) of the stroke pressing plate (3) is arranged to be capable of first contacting the stroke switch contact.

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