CN212137079U - Centering detection device for switch contact of medium-voltage switch cabinet - Google Patents

Centering detection device for switch contact of medium-voltage switch cabinet Download PDF

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Publication number
CN212137079U
CN212137079U CN202021249053.4U CN202021249053U CN212137079U CN 212137079 U CN212137079 U CN 212137079U CN 202021249053 U CN202021249053 U CN 202021249053U CN 212137079 U CN212137079 U CN 212137079U
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CN
China
Prior art keywords
fixedly connected
lead screw
fixed block
contact
detection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021249053.4U
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Chinese (zh)
Inventor
罗承华
李勇明
尤裕敬
田平
林睿成
陈嘉铭
操瑞青
陈玉鑫
王雅婷
黄伟
尤志明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanming Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
Sanming Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Sanming Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical Sanming Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority to CN202021249053.4U priority Critical patent/CN212137079U/en
Application granted granted Critical
Publication of CN212137079U publication Critical patent/CN212137079U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a middling pressure switch cabinet switch contact centering detection device, including the fixed block, the bottom fixedly connected with connecting block of fixed block, the bottom fixedly connected with mount of connecting block, the bottom fixedly connected with handle of mount, the top fixedly connected with threaded rod of fixed block, threaded rod threaded connection has the sleeve, telescopic top fixedly connected with contact, the utility model relates to a power equipment technical field. This medium voltage switchgear switch contact centering detection device, reached the fixed block, the connecting block, the mount, the handle, the threaded rod, a whole is constituteed with the contact to the sleeve, the staff holds the handle, make contact switch cabinet cooperate, rotate the rolling disc, it rotates to drive the rotation lead screw, drive the motion of lead screw slider, it supports the cubical switchboard inner wall to drive strutting arrangement, whether light according to the warning light, judge whether centering of cubical switchboard contact, convenient operation satisfies user demand's purpose.

Description

Centering detection device for switch contact of medium-voltage switch cabinet
Technical Field
The utility model relates to a power equipment field, more specifically say, relate to a well voltage switch cabinet switch contact centering detection device.
Background
10. A35 kV and other medium-voltage switch cabinet adopts a withdrawable circuit breaker which has the structure that a fixed contact is fixed on a switch cabinet body, a movable contact is fixed on the circuit breaker, the circuit breaker is fixed on a chassis vehicle, and the meshing and matching of the movable contact and the fixed contact are completed by swinging into the chassis vehicle. Due to design or assembly reasons, complete centering matching cannot be achieved when the moving contact and the static contact are meshed, contact resistance can be generated between the moving contact and the static contact, partial discharge or local overheating of a moving contact and the static contact meshing part is caused, a light person causes a switch to be burnt, a heavy person causes the switch to be cracked, the safety of a power grid is seriously harmed, and the use requirement cannot be met. The centering detection device for the switch contact of the medium-voltage switch cabinet is urgently needed, the contact is detected, whether the contact is in the middle position or not is judged, and potential safety hazards are reduced.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
Aiming at the problems that complete centering matching can not be realized when moving and static contacts are meshed in the prior art, which can cause contact resistance between the moving and static contacts, thereby causing partial discharge or partial overheating of a moving and static contact meshing part, causing switch burnout by light persons, causing switch burst by heavy persons, seriously harming electric network safety and being incapable of meeting the use requirement, the utility model aims to provide a centering detection device for a switch contact of a medium-voltage switch cabinet, which can realize that a fixed block, a connecting block, a fixed frame, a handle, a threaded rod, a sleeve and the contact form a whole, a worker holds the handle to match the switch cabinet, rotates a rotating disc, drives a rotating lead screw to rotate, drives a lead screw slider to move, drives a supporting device to support the inner wall of the switch cabinet, judges whether the contact of the switch cabinet is centered according to whether a warning lamp is on or not, and is convenient to operate, the use requirement is met.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a well voltage switch cabinet switch contact centering detection device, includes the fixed block, the bottom fixedly connected with connecting block of fixed block, the bottom fixedly connected with mount of connecting block, the bottom fixedly connected with handle of mount, the top fixedly connected with threaded rod of fixed block, threaded rod threaded connection has the sleeve, telescopic top fixedly connected with contact.
Preferably, the surface of the handle is provided with a sheath.
Preferably, the lateral wall fixedly connected with slide bar of fixed block, the one end fixedly connected with fixed plate of fixed block is kept away from to the slide bar, the fixed block rotates and is connected with the rotation lead screw, the screw thread that the rotation lead screw is located the fixed block both sides is to opposite, it rotates with the fixed plate to rotate the lead screw and is connected, the tip fixedly connected with rolling disc of rotation lead screw, it has lead screw slider to rotate lead screw threaded connection, lead screw slider and slide bar sliding connection.
Preferably, the top of the screw rod sliding block is fixedly connected with a supporting device, a warning lamp is arranged on the surface of the fixing block, and the supporting device is electrically connected with the warning lamp.
Preferably, strutting arrangement includes the gag lever post, gag lever post and lead screw slider fixed connection, the inside of gag lever post is provided with spacing frame, the inner wall fixedly connected with supporting spring of spacing frame, spacing frame passes through supporting spring fixedly connected with motion plate, the lateral wall fixedly connected with stripper bar of motion plate, stripper bar and gag lever post sliding connection, the stripper bar is located the outside one end fixedly connected with contact block of gag lever post, the inside of spacing frame is provided with micro-gap switch, the motion plate is corresponding with micro-gap switch.
Preferably, the two microswitches are connected in series, and the microswitches are electrically connected with the warning lamp.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of: the movable plate is driven to move by rotating the rotating disc, driving the rotating lead screw to rotate and driving the lead screw slider to move and driving the adjusting device to move so as to support the inner wall of the switch cabinet, and according to whether the warning lamp is lighted or not, the lead screw slider moves and simultaneously drives the supporting device to move, the contact block is contacted with the inner wall of the switch cabinet and drives the extrusion rod to move so as to drive the movable plate to move and increase the elastic potential energy of the supporting spring, so that the movable plate is contacted with the micro switch, when the contact is placed in the middle, the micro switches on two sides are extruded simultaneously, the warning lamp is lighted, the requirement is met, when one side reaches the limit, and the opposite side has the clearance, then this contact is not placed in the middle, need adjust the maintenance, reached the fixed block, the connecting block, the mount, the handle, the threaded rod, sleeve and contact constitution are whole, the staff holds the handle, make contact cubical switchboard cooperate, rotate the rolling disc, it rotates to drive the rotation lead screw, drive the motion of lead screw slider, it supports the cubical switchboard inner wall to drive strutting arrangement, whether light according to the warning light, judge whether centering of cubical switchboard contact, convenient operation, the purpose that satisfies the user demand.
Drawings
Fig. 1 is a schematic view of the overall external structure of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
fig. 3 is a schematic view of a part of an enlarged structure of fig. 2 according to the present invention.
The reference numbers in the figures illustrate:
1. a fixed block; 2. connecting blocks; 3. a fixed mount; 4. a handle; 5. a sheath; 6. a threaded rod; 7. a sleeve; 8. a contact; 9. a slide bar; 10. a fixing plate; 11. rotating the screw rod; 12. rotating the disc; 13. a lead screw slider; 14. a support device; 141. a limiting rod; 142. a limiting frame; 143. a support spring; 144. a motion plate; 145. an extrusion stem; 146. a contact block; 147. a microswitch; 15. a warning light.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
Example 1:
referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a well voltage switch cabinet switch contact centering detection device, includes fixed block 1, the bottom fixedly connected with connecting block 2 of fixed block 1, the bottom fixedly connected with mount 3 of connecting block 2, the bottom fixedly connected with handle 4 of mount 3, the top fixedly connected with threaded rod 6 of fixed block 1, 6 threaded connection of threaded rod have sleeve 7, the top fixedly connected with contact 8 of sleeve 7. Fixed block 1, connecting block 2, mount 3, handle 4, threaded rod 6, sleeve 7 and contact 8 constitute a whole, and the staff holds handle 4 for contact 8 cooperates with the cubical switchboard, and with whole keep balance, is convenient for detect the cubical switchboard contact.
Example 2:
referring to fig. 1, a device for detecting the alignment of a switch contact of a medium voltage switchgear is substantially the same as that of embodiment 1, and further, a sheath 5 is disposed on the surface of a handle 4. The equipment sheath 5 improves the safety performance of the handle 4.
Example 3:
referring to fig. 2, a middle voltage switch cabinet switch contact centering detection device is substantially the same as that in embodiment 1, further, a sliding rod 9 is fixedly connected to a side wall of a fixed block 1, a fixed plate 10 is fixedly connected to one end, away from the fixed block 1, of the sliding rod 9, the fixed block 1 is rotatably connected to a rotating lead screw 11, screw directions of threads of the rotating lead screw 11 located at two sides of the fixed block 1 are opposite, the rotating lead screw 11 is rotatably connected to the fixed plate 10, a rotating disc 12 is fixedly connected to an end portion of the rotating lead screw 11, the rotating lead screw 11 is rotatably connected to a lead screw slider 13, and the lead screw slider 13 is slidably connected to the sliding. The rotating disc 12 is rotated to drive the rotating screw rod 11 to rotate, and the screw rod sliding block 13 is driven to move, so that the adjustment is convenient.
Example 4:
referring to fig. 2, a middle voltage switch cabinet switch contact centering detection device is substantially the same as embodiment 3, further, a supporting device 14 is fixedly connected to the top of the screw slider 13, a warning light 15 is disposed on the surface of the fixed block 1, and the supporting device 14 is electrically connected to the warning light 15. The screw rod sliding block 13 moves to drive the supporting device 14 to move, so that the inner wall of the switch cabinet is conveniently extruded and supported, and whether the warning lamp 15 is lighted or not is judged to meet the requirement or not.
Example 5:
referring to fig. 3, a middle-voltage switch cabinet switch contact centering detection device is substantially the same as embodiment 4, and further, the supporting device 14 includes a limiting rod 141, the limiting rod 141 is fixedly connected with the screw rod slider 13, a limiting frame 142 is disposed inside the limiting rod 141, a supporting spring 143 is fixedly connected to an inner wall of the limiting frame 142, the limiting frame 142 is fixedly connected with a moving plate 144 through the supporting spring 143, a squeezing rod 145 is fixedly connected to a side wall of the moving plate 144, the squeezing rod 145 is slidably connected with the limiting rod 141, a contact block 146 is fixedly connected to one end of the squeezing rod 145 located outside the limiting rod 141, a micro switch 147 is disposed inside the limiting frame 142, and the moving plate 144 corresponds to the micro switch 147. The contact block 146 contacts with the inner wall of the switch cabinet, drives the extrusion rod 145 to move, drives the moving plate 144 to move, and increases the elastic potential energy of the supporting spring 143, so that the moving plate 144 contacts with the micro switch 147.
Example 6:
referring to fig. 2, a middle voltage switch cabinet switch contact centering detection device is substantially the same as that of embodiment 5, and further, two microswitches 147 are connected in series, and the microswitches 147 are electrically connected to the warning light 15. When the contact is centered, the microswitches 147 on the two sides are simultaneously extruded, the warning lamp 15 is lighted, the requirement is met, when the contact block 146 on one side reaches the limit, the contact block 146 on the other side still has a gap, and the warning lamp 15 is not lighted, the contact is not centered, and adjustment and maintenance are needed.
The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims (6)

1. The utility model provides a medium voltage switchgear switch contact centering detection device, includes fixed block (1), its characterized in that: the bottom fixedly connected with connecting block (2) of fixed block (1), the bottom fixedly connected with mount (3) of connecting block (2), the bottom fixedly connected with handle (4) of mount (3), the top fixedly connected with threaded rod (6) of fixed block (1), threaded rod (6) threaded connection has sleeve (7), the top fixedly connected with contact (8) of sleeve (7).
2. The medium voltage switchgear switch contact centering detection device of claim 1, characterized in that: the surface of the handle (4) is provided with a sheath (5).
3. The medium voltage switchgear switch contact centering detection device of claim 1, characterized in that: the utility model discloses a lead screw, including lateral wall fixedly connected with slide bar (9) of fixed block (1), the one end fixedly connected with fixed plate (10) of fixed block (1) are kept away from in slide bar (9), fixed block (1) rotate and are connected with rotation lead screw (11), the screw thread that rotation lead screw (11) are located fixed block (1) both sides is opposite, rotation lead screw (11) rotate with fixed plate (10) and are connected, the tip fixedly connected with rolling disc (12) of rotation lead screw (11), it has lead screw slider (13) to rotate lead screw (11) threaded connection, lead screw slider (13) and slide bar (9) sliding connection.
4. The medium voltage switchgear switch contact centering detection device of claim 3, characterized in that: the top fixedly connected with strutting arrangement (14) of lead screw slider (13), the surface of fixed block (1) is provided with warning light (15), strutting arrangement (14) and warning light (15) electric connection.
5. The medium voltage switchgear switch contact centering detection device of claim 4, characterized in that: support arrangement (14) include gag lever post (141), gag lever post (141) and lead screw slider (13) fixed connection, the inside of gag lever post (141) is provided with spacing frame (142), the inner wall fixedly connected with supporting spring (143) of spacing frame (142), spacing frame (142) are through supporting spring (143) fixedly connected with motion board (144), the lateral wall fixedly connected with stripper bar (145) of motion board (144), stripper bar (145) and gag lever post (141) sliding connection, stripper bar (145) are located the outside one end fixedly connected with contact block (146) of gag lever post (141), the inside of spacing frame (142) is provided with micro-gap switch (147), motion board (144) are corresponding with micro-gap switch (147).
6. The medium voltage switchgear switch contact centering detection device of claim 5, characterized in that: the two microswitches (147) are connected in series, and the microswitches (147) are electrically connected with the warning lamp (15).
CN202021249053.4U 2020-07-01 2020-07-01 Centering detection device for switch contact of medium-voltage switch cabinet Expired - Fee Related CN212137079U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021249053.4U CN212137079U (en) 2020-07-01 2020-07-01 Centering detection device for switch contact of medium-voltage switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021249053.4U CN212137079U (en) 2020-07-01 2020-07-01 Centering detection device for switch contact of medium-voltage switch cabinet

Publications (1)

Publication Number Publication Date
CN212137079U true CN212137079U (en) 2020-12-11

Family

ID=73685629

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021249053.4U Expired - Fee Related CN212137079U (en) 2020-07-01 2020-07-01 Centering detection device for switch contact of medium-voltage switch cabinet

Country Status (1)

Country Link
CN (1) CN212137079U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201211

Termination date: 20210701

CF01 Termination of patent right due to non-payment of annual fee