CN215263884U - Dedicated short-circuit connection device of 6kV high tension switchgear test - Google Patents
Dedicated short-circuit connection device of 6kV high tension switchgear test Download PDFInfo
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- CN215263884U CN215263884U CN202120895346.8U CN202120895346U CN215263884U CN 215263884 U CN215263884 U CN 215263884U CN 202120895346 U CN202120895346 U CN 202120895346U CN 215263884 U CN215263884 U CN 215263884U
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Abstract
The utility model discloses a special short circuit device for 6kV high-voltage switch test, which comprises a placing unit and an auxiliary fixing device, wherein the placing unit comprises a switch trolley, a short circuit device and a wire clamp, and the short circuit device is arranged on the switch trolley and is connected with the wire clamp through a wire; the auxiliary fixing device is arranged on the wire clamp and comprises a clamping block, an elastic piece and a rope body, and the clamping block is fixedly connected with the elastic piece and the rope body respectively. The device is through setting up first spring and fixture block isotructure for when fastener and contact head carry out the centre gripping, make fastener and contact head be connected more stable through the cooperation of fixture block and draw-in groove, avoid pressing from both sides the failure that falls and lead to the experiment at the test process central line, and avoid threatening people's self safety, when needs fastener and contact head cooperate, only need stimulate the baffle can, convenient and fast easily operates.
Description
Technical Field
The utility model relates to an experimental short circuit technical field of switch, especially a 6kV high tension switchgear dedicated shorting stub experimental.
Background
The drawer type switch cabinet is used as electric equipment, is generally used for 6kV and below voltage class, and consists of a switch cabinet body and a switch trolley. The insulation and voltage resistance test process of the switch needs to pull out the switch trolley from the body and place the switch trolley on a special trolley, when the insulation and voltage resistance test is carried out, the three-phase upper and lower moving contacts need to be respectively short-circuited by short-circuit wires, and the existing operation site adopts a bare copper wire to carry out simple winding short-circuit or self-made group short-circuit wire short-circuit. However, the short-circuit wire is not protruded in the background due to small volume and small contrast between the color and the background (a naked copper wire is dark red or brown and is similar to the color of a body of a vacuum switch on the switch trolley), so that the short-circuit wire is easily left on a movable contact of the switch trolley due to negligence of testers and operators, and if the switch trolley is pushed into a switch cabinet, a short circuit at the side of a 6kV bus for the service power of a power plant unit is caused, and serious production safety accidents occur.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The utility model discloses in view of above-mentioned and/or the special short circuit line device of current 6kV high tension switchgear test in exist the problem, provided the utility model discloses.
Therefore, the utility model aims to solve the problem that a dedicated shorting stub device of 6kV high tension switchgear test is provided.
In order to solve the technical problem, the utility model provides a following technical scheme: a short circuit device special for a 6kV high-voltage switch test comprises a placing unit and an auxiliary fixing device, wherein the placing unit comprises a switch trolley, a short circuit device and a wire clamp, the short circuit device is installed on the switch trolley and is connected with the wire clamp through a conducting wire, and the wire clamp comprises an upper clamp and a lower clamp which are twisted with each other; the auxiliary fixing device is arranged on the wire clamp and comprises a clamping block, an elastic piece and a rope body, the clamping block is fixedly connected with the elastic piece and the rope body respectively, the clamping block is correspondingly provided with an acting groove, and the rope body is correspondingly provided with a connecting groove.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: the placing unit further comprises a contact head, wherein the inner wall of the contact head is provided with wedge blocks, rectangular blocks and clamping grooves matched with the clamping blocks, and the wedge blocks and the rectangular blocks are distributed in a staggered mode.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: the side line of the wedge-shaped block is parallel to the side line of the adjacent rectangular block, and the parallel distance is matched with the size of the upper clamp.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: the placing unit further comprises a fixing plate, and the short-circuit device is arranged on the fixing plate.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: the fixture block is in sliding connection with the action groove.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: the elastic part comprises a first spring and a telescopic rod, the first spring is sleeved on the telescopic rod, one end of the first spring is connected with the clamping block, and the other end of the first spring is connected with the side wall of the action groove.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: one side of the clamping block, which is far away from the first spring, is provided with an arc-shaped structure.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: the auxiliary fixing device further comprises guide wheels symmetrically arranged on the side wall of the top of the connecting groove, and the rope body is sleeved on the guide wheels corresponding to the rope body.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: the auxiliary fixing device further comprises a baffle plate which is fixedly glued with the rope body, the clamping wall of the baffle plate is abutted against the clamping wall of the upper clamp, and a pull ring is fixedly glued on one side, far away from the upper clamp, of the baffle plate.
As a 6kV high tension switchgear's experimental dedicated shorting stub device's an preferred scheme, wherein: the auxiliary fixing device also comprises a second spring which is fixedly connected with the baffle.
The utility model discloses beneficial effect is through setting up first spring and fixture block isotructure for when fastener and contact head carry out the centre gripping, make fastener and contact head be connected more stable through the cooperation of fixture block and draw-in groove, avoid pressing from both sides the failure that results in the experiment at the test process central line, and avoid threatening people's self safety, when needs fastener and contact head cooperate, only need stimulate the baffle can, convenient and fast easily operates.
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 will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is an installation diagram of a shorting stub dedicated for a 6kV high voltage switch test in example 1.
Fig. 2 is a cross-sectional view of the wire clamp of the shorting block dedicated for the 6kV high voltage switch test in example 1.
Fig. 3 is a wire clamp diagram of a shorting stub dedicated for the 6kV high voltage switch test in example 2.
Fig. 4 is a cross-sectional view of the wire clamp of the shorting block dedicated for the 6kV high voltage switch test in example 2.
Fig. 5 is a wire clamp diagram of a shorting stub dedicated for the 6kV high voltage switch test in example 3.
Fig. 6 is a cross-sectional view of the contacts of a shorting block dedicated for testing a 6kV high voltage switch of example 3.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
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 implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that 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 and 2, for the first embodiment of the present invention, this embodiment provides a short circuit device dedicated for 6kV high voltage switch test, which includes a placing unit 100 and an auxiliary fixing device 200, where the placing unit 100 includes a switch trolley 101, a short circuit device 102, and a wire clamp 103, the short circuit device 102 is mounted on the switch trolley 101 and is connected to the wire clamp 103 through a conducting wire 104, and the wire clamp 103 includes an upper clamp 103a and a lower clamp 103b twisted with each other; the auxiliary fixing device 200 is arranged on the wire clip 103 and comprises a clamping block 201, an elastic element 202 and a rope body 203, wherein the clamping block 201 is fixedly connected with the elastic element 202 and the rope body 203 respectively, the clamping block 201 is correspondingly provided with an acting groove 201a, and the rope body 203 is correspondingly provided with a connecting groove 203 a.
When a switch insulation and voltage withstand test is performed, the short circuit device 102 is in short circuit with a switch three-phase upper contact and a switch three-phase lower contact on the switch trolley 101 (adopting an existing switch trolley) through the wire clamp 103 at one end of the lead 104, the fixture blocks 201, the elastic members 202 and the rope body 203 on the wire clamp 103 are symmetrically distributed, in the process of clamping the fixture blocks 201 and the contacts, firstly, the two fixture blocks 201 are squeezed to squeeze the elastic members 202 (adopting an existing spring damper) into the action grooves 201a, the fixture blocks 201 are clamped with the contacts under the elastic force releasing action of the elastic members 202 (adopting an existing spring damper), so that the matching of the fixture blocks 201 and the contacts is completed, when the matching of the fixture blocks 201 and the contacts needs to be released after the test is finished, the rope body 203 is pulled to move downwards, and then the fixture block 201 falls off to be matched with the contact, namely the wire clamp 103 is released from being matched with the contact.
Example 2
Referring to fig. 3 and 4, a second embodiment of the present invention, which is different from the first embodiment, is: the placing unit 100 further comprises a contact head 105 and a fixing plate 106, the contact head 105 comprises a wedge-shaped block 105a, a rectangular block 105b and a clamping groove 105c, and the elastic member 202 comprises a first spring 202a and a telescopic rod 202 b.
Specifically, the placing unit 100 further includes a contact 105, the inner wall of the contact 105 is provided with a wedge block 105a, a rectangular block 105b and a clamping groove 105c matched with the clamping block 201, the wedge block 105a and the rectangular block 105b are distributed in a staggered manner, the side line of the wedge block 105a is parallel to the side line of the adjacent rectangular block 105b, the parallel distance is matched with the size of the upper clamp 103a, the contact area can be increased by arranging the wedge block 105a and the rectangular block 105b, the wire clamp 103 is prevented from being directly added to the contact 105, and meanwhile, in order to maintain the wiring stability, the wire clamp 103 is clamped between the wedge block 105a and the rectangular block 105b and is not easy to fall.
Preferably, the placing unit 100 further includes a fixing plate 106, the shorting device 102 is disposed on the fixing plate 106, the fixing plate 106 is large in size and is placed on the switch trolley 101, and the switch is prevented from being pushed into the switch cabin without detaching the shorting bar after the experiment is finished.
Preferably, the elastic member 202 includes a first spring 202a and an expansion link 202b, the first spring 202a is sleeved on the expansion link 202b, one end of the first spring 202a is connected to the latch 201, the other end of the first spring 202a is connected to the side wall of the action groove 201a, the latch 201 is slidably connected to the action groove 201a, and one side of the latch 201 away from the first spring 202a is configured to be an arc-shaped structure, so that the latch 201 slides in the action groove 201a, and is conveniently engaged with the engaging groove 105 c.
In summary, during the insulation and voltage withstand test of the switch, the shorting device 102 shorts the three-phase upper and lower contacts of the switch on the switch trolley 101 through the wire clip 103 at one end of the wire 104, the wire clip 103 is clamped between the wedge-shaped block 105a and the rectangular block 105b, the lower clip 103b is clamped outside the contact 105, during the movement of the upper clip 103a between the wedge-shaped block 105a and the rectangular block 105b, the two latch blocks 201 first feel compression to compress and retract the first spring 202a into the action groove 201a, when the upper clip 103a moves to a position where the latch block 201 corresponds to the latch groove 105c, the latch block 201 is pushed into the latch groove 105c under the releasing action of the elastic force of the first spring 202a, so as to complete the matching between the upper clip 103a and the contact 105, when the fitting between the fixture block 201 and the contact 105 needs to be released after the test is finished, the rope body 203 is pulled to move down the rope body 203, so that the fixture block 201 falls off to be fitted with the contact, namely, the fitting between the wire clamp 103 and the contact 105 is released.
Example 3
Referring to fig. 5 and 6, a third embodiment of the present invention is different from the first two embodiments: the auxiliary fixture 200 further includes a guide wheel 204, a baffle 205, and a second spring 207.
Specifically, the auxiliary fixing device 200 further includes guide wheels 204 symmetrically disposed on the top side wall of the connecting groove 203a, the rope 203 is sleeved on the guide wheels 204 corresponding to the rope, and the guide wheels 204 convert the horizontal movement of the rope 203 into a vertical movement, so that when the baffle plate 205 is pulled, the clamping block 201 can be pulled by the rope 203 to retract into the acting groove 201 a.
Further, the auxiliary fixing device 200 further includes a baffle 205 fixed to the rope 203 by gluing, a clamping wall of the baffle 205 abuts against a clamping wall of the upper clamp 103a, a pull ring 206 is fixed to one side of the baffle 205 away from the upper clamp 103a by gluing, and when the clamp 103 and the contact 105 are released, the baffle 205 is pulled by the pull ring 206 to drive the rope 203 to move down, so that the latch 201 is separated from the latch slot 105 c.
Preferably, the auxiliary fixing device 200 further includes a second spring 207 fixedly connected to the baffle 205, and the second spring 207 makes the baffle 205 elastic and can return to its original position after being pulled down.
In summary, during the insulation and voltage withstand test of the switch, the shorting device 102 shorts the three-phase upper and lower contacts of the switch on the switch trolley 101 through the wire clip 103 at one end of the wire 104, the wire clip 103 is clamped between the wedge-shaped block 105a and the rectangular block 105b, the lower clip 103b is clamped outside the contact 105, during the movement of the upper clip 103a between the wedge-shaped block 105a and the rectangular block 105b, the two latch blocks 201 first feel compression to compress and retract the first spring 202a into the action groove 201a, when the upper clip 103a moves to a position where the latch block 201 corresponds to the latch groove 105c, the latch block 201 is pushed into the latch groove 105c under the releasing action of the elastic force of the first spring 202a, so as to complete the matching between the upper clip 103a and the contact 105, when the fitting between the latch 201 and the contact 105 needs to be released after the test is finished, the pull ring 206 pulls the baffle 205 to drive the rope 203 to move downwards, the guide wheel 204 converts the horizontal movement of the rope 203 into the vertical movement, so that when the baffle 205 is pulled, the latch 201 can be pulled by the rope 203 to retract into the action groove 201a, and further the latch 201 is separated from the slot 105c, that is, the fitting between the wire clamp 103 and the contact 105 is released, and the baffle 205 can automatically return to the original position after being pulled downwards by the elasticity of the second spring 207. The wire clamp 103 is easy to operate, and the wire clamp is prevented from falling off in the test process, so that the test can be stably carried out.
It should be noted that the above embodiments are only used 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, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a dedicated short-circuit connection device of 6kV high tension switchgear test which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the device comprises a placing unit (100) and a control unit, wherein the placing unit comprises a switch trolley (101), a short-circuit device (102) and a wire clamp (103), the short-circuit device (102) is installed on the switch trolley (101) and is connected with the wire clamp (103) through a conducting wire (104), and the wire clamp (103) comprises an upper clamp (103a) and a lower clamp (103b) which are twisted with each other; and the number of the first and second groups,
the auxiliary fixing device (200) is arranged on the wire clamp (103) and comprises a clamping block (201), an elastic piece (202) and a rope body (203), the clamping block (201) is fixedly connected with the elastic piece (202) and the rope body (203) respectively, an action groove (201a) is correspondingly arranged on the clamping block (201), and a connecting groove (203a) is correspondingly arranged on the rope body (203).
2. The shorting stub device special for 6kV high-voltage switch test as claimed in claim 1, wherein: the placing unit (100) further comprises a contact head (105), a wedge-shaped block (105a), a rectangular block (105b) and a clamping groove (105c) matched with the clamping block (201) are arranged on the inner wall of the contact head (105), and the wedge-shaped block (105a) and the rectangular block (105b) are distributed in a staggered mode.
3. The shorting stub device special for 6kV high-voltage switch test as claimed in claim 2, wherein: the side line of the wedge block (105a) is parallel to the side line of the adjacent rectangular block (105b), and the parallel distance is matched with the size of the upper clamp (103 a).
4. The special short-circuit connection device for the 6kV high-voltage switch test according to any one of claims 1 to 3, characterized in that: the placement unit (100) further comprises a fixing plate (106) on which the shorting device (102) is arranged.
5. The shorting stub device special for 6kV high-voltage switch test as claimed in claim 4, wherein: the fixture block (201) is connected with the action groove (201a) in a sliding mode.
6. The short-circuit device special for the 6kV high-voltage switch test as claimed in any one of claims 1 to 3 or 5, wherein: the elastic piece (202) comprises a first spring (202a) and a telescopic rod (202b), the first spring (202a) is sleeved on the telescopic rod (202b), one end of the first spring (202a) is connected with the clamping block (201), and the other end of the first spring (202a) is connected with the side wall of the action groove (201 a).
7. The shorting stub device special for 6kV high-voltage switch test as claimed in claim 6, wherein: one side of the clamping block (201) far away from the first spring (202a) is arranged to be of an arc-shaped structure.
8. The special short-circuit connection device for the 6kV high-voltage switch test as claimed in any one of claims 1 to 3, 5 or 7, wherein: the auxiliary fixing device (200) further comprises guide wheels (204) symmetrically arranged on the top side wall of the connecting groove (203a), and the rope body (203) is sleeved on the guide wheels (204) corresponding to the rope body.
9. The shorting stub device special for 6kV high-voltage switch test according to claim 8, wherein: the auxiliary fixing device (200) further comprises a baffle plate (205) which is fixedly glued with the rope body (203), the clamping wall of the baffle plate (205) is abutted against the clamping wall of the upper clamp (103a), and a pull ring (206) is fixedly glued on one side, far away from the upper clamp (103a), of the baffle plate (205).
10. The shorting stub device special for 6kV high-voltage switch test according to claim 9, wherein: the auxiliary fixing device (200) further comprises a second spring (207) fixedly connected with the baffle plate (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120895346.8U CN215263884U (en) | 2021-04-28 | 2021-04-28 | Dedicated short-circuit connection device of 6kV high tension switchgear test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120895346.8U CN215263884U (en) | 2021-04-28 | 2021-04-28 | Dedicated short-circuit connection device of 6kV high tension switchgear test |
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| Publication Number | Publication Date |
|---|---|
| CN215263884U true CN215263884U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120895346.8U Active CN215263884U (en) | 2021-04-28 | 2021-04-28 | Dedicated short-circuit connection device of 6kV high tension switchgear test |
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|---|---|
| CN (1) | CN215263884U (en) |
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2021
- 2021-04-28 CN CN202120895346.8U patent/CN215263884U/en active Active
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