CN202111396U - Limiting device for breaker handcart of switch cabinet - Google Patents
Limiting device for breaker handcart of switch cabinet Download PDFInfo
- Publication number
- CN202111396U CN202111396U CN2011202295485U CN201120229548U CN202111396U CN 202111396 U CN202111396 U CN 202111396U CN 2011202295485 U CN2011202295485 U CN 2011202295485U CN 201120229548 U CN201120229548 U CN 201120229548U CN 202111396 U CN202111396 U CN 202111396U
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- CN
- China
- Prior art keywords
- guide rod
- circuit breaker
- switch cubicle
- pin bushing
- breaker cart
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- 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.)
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Abstract
The utility model provides a limiting device for a breaker handcart of a switch cabinet and belongs to the technical field of power supply and distribution equipment. The switch cabinet comprises a switch cabinet body and a breaker handcart, wherein a movable contact is arranged on the breaker handcart, and a stationary contact is arranged on the switch cabinet body; and the switch cabinet is characterized in that a handcart limiting structure is additionally arranged between the breaker handcart and the switch cabinet and comprises a guide rod, a guide sleeve, a bracket and a separating plate, wherein the bracket is fixed on the breaker handcart, the separating plate is fixed on the switch cabinet body, the guide rod is arranged on the bracket or the separating plate, the guide sleeve is arranged on the separating plate or the bracket, and the guide rod is matched with the guide sleeve in an inserted manner; and the distance between the guide rod and the guide sleeve is smaller than that between the movable contact and the stationary contact. The limiting device for breaker handcart has the advantages that by adopting the limiting device, left and right deflection of the breaker handcart can be corrected, and wheels of the breaker handcart are in contact with guide rails all the time, so that the breaker handcart can be ensured to smoothly reach a working position, and the movable contact can be reliably meshed with the stationary contact.
Description
Technical field
The utility model belongs to the power supplying and distributing equipment technical field, is specifically related to a kind of switch cubicle circuit breaker cart stopping means
Background technology
are in the high voltage switchgear of 40.5KV; The propelling of switch cubicle circuit breaker cart from the test position to the service position generally is by after shaking the circuit breaker propulsive mechanism, and the wheel of switch cubicle circuit breaker bottom just moves on the guide rail of switch cubicle bottom and realizes.Switch cubicle circuit breaker cart spacing in moving be lean on two flangings of guide rail limit wheel about skew, promptly wheel moves in guide rail.But the problem that exists in actual use is: at first, because the volume of switch cubicle circuit breaker cart is big, quality heavy, the distance of the guide rail of the position of the moving contact on it and switch cubicle bottom is far away again; And the screw mandrel of propulsive mechanism generally all is located at the position of the center-left side of circuit breaker, and the switch cubicle circuit breaker cart receives the traction of screw mandrel again and moves, simultaneously; In order to guarantee the mobile smooth and easy of wheel; Have certain clearance between guide rail and the wheel, so in the moving process of switch cubicle circuit breaker cart, the spacing deficiency of depending merely on guide rail is so that the switch cubicle circuit breaker cart arrives the service position smoothly; Be easy to take place skew to the right; Though the amount of skew is little, just become very big to its side-play amount of position of moving contact, dynamic and static contact can't be meshed; Secondly; When the moving contact on the switch cubicle circuit breaker cart touches the fixed contact on the switch cubicle body; Owing to have foozle, when moving contact and fixed contact decentraction, be easy to make the trailing wheel of switch cubicle circuit breaker cart to lift and getaway; Cause dynamic and static contact to mesh, perhaps damage the Mume flower contact on the moving contact arm.
In view of above-mentioned prior art, be necessary to improve, for this reason, the applicant has carried out good try, has found the way that solves the problems of the technologies described above, and the technical scheme that will introduce below produces under this background
Summary of the invention
The task of
the utility model will provide a kind of can correct skew about the switch cubicle circuit breaker cart; And the wheel of switch cubicle circuit breaker cart is kept in touch with guide rail all the time, can reach the handcart type high-voltage switch cabinet of service position smoothly to guarantee the switch cubicle circuit breaker cart.
The task of
the utility model is accomplished like this: a kind of switch cubicle circuit breaker cart stopping means; Described switch cubicle comprises switch cubicle body, circuit breaker cart; Described circuit breaker cart is provided with moving contact; Described switch cubicle body is provided with and is used for fixed contact corresponding with the moving contact position and that can cooperatively interact, is characterized in: between said circuit breaker cart and switch cubicle body, also have additional a handcart position limiting structure, this handcart position limiting structure comprises guide rod, guide pin bushing, support and dividing plate; Described support is fixed on the circuit breaker cart; Described dividing plate is fixed on the switch cubicle body and is corresponding with the position of support, and described guide rod is rack-mount, and described guide pin bushing is installed in and is used on the dividing plate and described guide rod inserting; Or described guide pin bushing is rack-mount, and described guide rod is installed in and is used on the dividing plate and described guide pin bushing inserting; When described circuit breaker cart and switch cubicle were in released state, the distance of guide rod and guide pin bushing was less than the horizontal range of moving contact and fixed contact.
are in a specific embodiment of the utility model; Described guide rod is bar-shaped; One end of guide rod is provided with thread segment; This thread segment is through being installed in guide rod on described support or the dividing plate with cooperating of nut, and the head of the other end of guide rod is provided with and is used for the arc surface that cooperates with described guide pin bushing.
are in another specific embodiment of the utility model; Described guide pin bushing is the tubulose of hollow; Guide pin bushing is horn-like opening and outwards turns down and be formed with crimp at the end near guide rod, on described crimp, offers to be used for guide pin bushing is installed to the installing hole that described dividing plate or support get on.
the utility model is owing to have additional a handcart position limiting structure between said circuit breaker cart and switch cubicle body; Through this handcart position limiting structure can correct circuit breaker cart about the skew; And the wheel of circuit breaker cart is kept in touch all the time with guide rail; Guaranteeing that the switch cubicle circuit breaker cart can reach the service position smoothly, and realize reliably cooperating between moving contact and the fixed contact.
Description of drawings
Fig. 1 is the sketch map of the utility model switch cubicle circuit breaker cart and handcart limiting structure.
Fig. 2 is the enlarged drawing of handcart limiting structure among Fig. 1.
Among
figure: 1. circuit breaker cart, 11. moving contacts; 2. handcart limiting structure, 21. guide rods, 211. arc surfaces, 22. guide pin bushings, 221. crimps, 2211. installing holes, 23. supports, 24. dividing plates; 3. fixed contact.
Embodiment
can be expressly understood the technical spirit and the beneficial effect of the utility model more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the utility model technical scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be regarded as the technical scheme category of the utility model.
see also Fig. 1; A kind of switch cubicle circuit breaker cart stopping means, described switch cubicle comprises switch cubicle body, circuit breaker cart 1, described circuit breaker cart l is provided with moving contact 11; Described switch cubicle body is provided with and is used for and the corresponding fixed contact 3 in moving contact 11 positions; When circuit breaker cart 1 with after the switch cubicle body is connected, promptly moving contact 11 is meshed with fixed contact 3 on the switch cubicle body, thus the conducting major loop.Between said circuit breaker cart 1 and switch cubicle body, also have additional a handcart position limiting structure 2, this handcart position limiting structure 2 is positioned at the auxiliary section, below of circuit breaker cart 1 and switch cubicle body.
see also Fig. 2; Described handcart position limiting structure 2 comprises guide rod 21, guide pin bushing 22, support 23 and dividing plate 24; Described support 23 is formed by the sheet metal bending, is fixed on the below of circuit breaker cart 1 short transverse, described dividing plate 24 be fixed on the switch cubicle body and and the installed surface of support 23 between be face-to-face and laterally arrange; The corresponding position offers installing hole on the installed surface of said support 23, and described installing hole is used to install guide rod 21.Described guide rod 21 adopts metal material to process bar-shaped; One end of guide rod 21 is provided with thread segment, and in the installing hole of this thread segment insertion support 23 and through with cooperating of nut guide rod 21 being installed on the described support 23, the head of the other end of guide rod 21 is provided with arc surface 211; Make a termination category that guide rod 21 is used for cooperating with guide pin bushing 22 like bullet shaped; Certainly, if described arc surface 211 is adjusted into coned face, also be that the essence of the invention embodies.Described guide pin bushing 22 is the tubulose of hollow; Guide pin bushing 22 is horn-like opening and outwards turns down and be formed with crimp 221 at the end near guide rod 21, on described crimp 221, offers the installing hole 2211 of paired appearance, and described installing hole 2211 is symmetrical set; Can be two or four; Described guide pin bushing 22 is fixed on the dividing plate 24 through installing hole 2211, and the position of guide pin bushing 22 is corresponding with guide rod 21 positions, to realize the cooperation of guiding.
because there be cooperating of guide rod 21 and guide pin bushing 22 in described handcart stopping means, and guide rod 21 heads are bullet shaped, and the guide pin bushing 22 of correspondence is horn-like opening in the auxiliary section with guide rod 21; Therefore; When guide rod 21 in the process near dividing plate 24, can be realized the inserting relation of contact and guiding with moving of circuit breaker cart 1, i.e. crimp 221 inboards of the head of guide rod 21 contact guide pin bushing 22; Through cooperating of arc surface 211 and crimp 221 inner arc faces; The positioning relation of adjustment circuit breaker cart 1 and dividing plate 24 after guide rod 21 gets into guide pin bushing 22 fully, can be realized the accurate localization relation.And the length of described guide rod 21 should satisfy can guarantee that moving contact 11 and fixed contact cooperate preceding elder generation to contact guide pin bushing 22, thereby prevents the generation of the right-left error of moving contact 11 and fixed contact.Above-mentioned guide rod 21 can prevent effectively also that after getting into guide pin bushing 22 fully circuit breaker cart 1 trailing wheel is upturned simultaneously; Be guide rod 21 with the distance of guide pin bushing 22 less than the horizontal range of moving contact 1 with fixed contact 3, guarantee the parallel mobile of circuit breaker cart through the guide rod 21 and the cooperation of guide pin bushing 22.
figure slightly; Only the installation site of guide rod 21 recited above and guide pin bushing 22 is exchanged; Being about to described guide rod 21 is installed on the dividing plate 24; Described guide pin bushing 22 is installed on the support 23, and an end that has horn-like opening on the end aligning guide pin bushing 22 that has the bullet shaped head on the guide rod 21 is got final product, and all the other are with the description to embodiment 1.
In sum, the technical scheme that the utility model provides has overcome the shortcoming in the prior art, has reached goal of the invention, has embodied the described technique effect of applicant
Claims (3)
1. switch cubicle circuit breaker cart stopping means; Described switch cubicle comprises switch cubicle body, circuit breaker cart (1); Described circuit breaker cart (l) is provided with moving contact (11); Described switch cubicle body is provided with and is used for fixed contact (3) corresponding with moving contact (11) position and that can cooperatively interact, and it is characterized in that: between said circuit breaker cart (1) and switch cubicle body, also have additional a handcart position limiting structure (2), this handcart position limiting structure (2) comprises guide rod (21), guide pin bushing (22), support (23) and dividing plate (24); Described support (23) is fixed on the circuit breaker cart (1); Described dividing plate (24) is fixed on the switch cubicle body and is corresponding with the position of support (23), and described guide rod (21) is installed on the support (23), and described guide pin bushing (22) is installed in and is used on the dividing plate (24) and described guide rod (21) inserting; Or described guide pin bushing (22) is installed on the support (23), and described guide rod (21) is installed in and is used on the dividing plate (24) and described guide pin bushing (22) inserting; When described circuit breaker cart and switch cubicle were in released state, the distance of guide rod (21) and guide pin bushing (22) was less than the horizontal range of moving contact (11) with fixed contact (3).
2. a kind of switch cubicle circuit breaker cart stopping means according to claim 1; It is characterized in that described guide rod (21) is bar-shaped; One end of guide rod (21) is provided with thread segment; This thread segment is through being installed in guide rod (21) on described support (23) or the dividing plate (24) with cooperating of nut, and the head of the other end of guide rod (21) is provided with and is used for the arc surface (211) that cooperates with described guide pin bushing (22).
3. a kind of switch cubicle circuit breaker cart stopping means according to claim 1; It is characterized in that described guide pin bushing (22) is the tubulose of hollow; Guide pin bushing (22) is horn-like opening and outwards turns down and be formed with crimp (221) at the end near guide rod (21), on described crimp (221), offers to be used for guide pin bushing (22) is installed to the installing hole (2211) that described dividing plate (24) or support (23) get on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202295485U CN202111396U (en) | 2011-07-01 | 2011-07-01 | Limiting device for breaker handcart of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202295485U CN202111396U (en) | 2011-07-01 | 2011-07-01 | Limiting device for breaker handcart of switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202111396U true CN202111396U (en) | 2012-01-11 |
Family
ID=45436846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202295485U Expired - Lifetime CN202111396U (en) | 2011-07-01 | 2011-07-01 | Limiting device for breaker handcart of switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202111396U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982719A (en) * | 2014-05-20 | 2014-08-13 | 天津大学 | Remote stud butt joint method |
| CN111044940A (en) * | 2019-12-19 | 2020-04-21 | 华南理工大学 | Experimental device for simulating different contact states of tulip contact by adjusting insertion depth of static contact |
| CN112467592A (en) * | 2019-09-06 | 2021-03-09 | 河南森源电气股份有限公司 | Switch cabinet |
| CN117394189A (en) * | 2023-10-20 | 2024-01-12 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
-
2011
- 2011-07-01 CN CN2011202295485U patent/CN202111396U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982719A (en) * | 2014-05-20 | 2014-08-13 | 天津大学 | Remote stud butt joint method |
| CN112467592A (en) * | 2019-09-06 | 2021-03-09 | 河南森源电气股份有限公司 | Switch cabinet |
| CN112467592B (en) * | 2019-09-06 | 2023-04-07 | 河南森源电气股份有限公司 | Switch cabinet |
| CN111044940A (en) * | 2019-12-19 | 2020-04-21 | 华南理工大学 | Experimental device for simulating different contact states of tulip contact by adjusting insertion depth of static contact |
| CN117394189A (en) * | 2023-10-20 | 2024-01-12 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
| CN117394189B (en) * | 2023-10-20 | 2024-03-22 | 江苏德纪特电气有限公司 | Switch cabinet valve device and switch cabinet thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |