CN205265123U - Advancing mechanism with interlocking function - Google Patents
Advancing mechanism with interlocking function Download PDFInfo
- Publication number
- CN205265123U CN205265123U CN201521101769.9U CN201521101769U CN205265123U CN 205265123 U CN205265123 U CN 205265123U CN 201521101769 U CN201521101769 U CN 201521101769U CN 205265123 U CN205265123 U CN 205265123U
- Authority
- CN
- China
- Prior art keywords
- plate
- interlock
- blocking lever
- screw mandrel
- lead screw
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims abstract description 35
- 230000001141 propulsive effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides an advancing mechanism with interlocking function. The problem of the current circuit breaker chassis car not interlocking of back lead screw that targets in place is solved. It includes locating rack, locating plate, blocking lever and lead screw, the locating rack on be equipped with the through -hole that supplies the lead screw to pass, the locating plate is passed to the one end of lead screw, and the other end passes the locating rack, the lead screw be equipped with the nut in locating plate one end, blocking lever one end locate the locating rack on, the other end passes the locating plate, still includes mounting panel and interlock, interlock have the lead screw and put in place and make the second place of lead screw free rotation after primary importance that the back is gone on interlocking to the lead screw by blocking lever drive and the unblock. The utility model discloses an interlock has been increased for circuit breaker chassis car is after being driven operating position by the lead screw, and the lead screw can be interlocked by reliable, thereby it makes the circuit breaker contact unreliable to avoid the lead screw to turn back at work. The utility model discloses still has convenient assembling, long service life, action advantage such as reliable.
Description
Technical field
The utility model relates to a kind of circuit breaker chassis, is specifically related to a kind of propulsive mechanism with interlock on circuit breaker chassis.
Background technology
Along with the progress of power equipment manufacturing process, the electric supply installation of power equipment is more and more stable, in order further to improve the automaticity of power industry, and the transformer station's unattended transformation that has been in full swing of power supply industry constituent parts.
In existing switch cubicle, push (pushing operating position locking from testing position) for mid-mounted vacuum circuit breaker can be realized easily and exit (exiting testing position locking by operating position) function, a chassis vehicle of general employing carries vacuum circuit breaker, on track by the driving wheel that is equipped with on this chassis vehicle in switch cubicle, move ahead or retreat, and chassis vehicle drives its motion by propulsive mechanism conventionally. Existing propulsive mechanism comprises locating rack, location-plate, blocking lever, screw mandrel and the nut matching with screw mandrel, shake screw mandrel by handle, thereby drive chassis vehicle advance or retreat, when chassis vehicle be pushed into put in place after during in operating position, blocking lever is interlocked breaker, but screw axis is not interlocked, still can rotate. After inertia impact, maloperation or breaker repeatedly move, screw axis can rotate backward, thereby chassis vehicle is exited a little, and breaker contact is unreliable, affects mechanism's service life and has potential safety hazard.
Summary of the invention
For the problem that screw mandrel after solving existing circuit breaker chassis in background technology and putting in place is not interlocked, the utility model provides a kind of propulsive mechanism with interlock.
The technical solution of the utility model is: a kind of propulsive mechanism with interlock, comprise locating rack, location-plate, blocking lever and screw mandrel, described locating rack is provided with the through hole passing for screw mandrel, one end of described screw mandrel is through location-plate, the other end is through locating rack, described screw mandrel is provided with nut in location-plate one end, described blocking lever one end is located on locating rack, the other end is through location-plate, also comprise installing plate and interlock, after having screw mandrel and put in place, described interlock drives by blocking lever the second place that after primary importance that screw mandrel is interlocked and release, screw mandrel is freely rotated.
As a kind of improvement of the present utility model, described interlock comprises the ratchet of being located on screw mandrel and is located on installing plate the ratchet suitable with ratchet.
As further improvement of the utility model, described installing plate is provided with push plate and the first return unit, block mutually with push plate first described return unit one end, the other end is connected with installing plate, and the first described return unit has the movement tendency that drives push plate pushing tow ratchet that ratchet and ratchet are blocked mutually.
As further improvement of the utility model, described push plate is articulated with on installing plate by jointed shaft, and described blocking lever is connected with jointed shaft by linkage.
As further improvement of the utility model, described linkage comprises pitman shaft, the first connecting rod being connected with jointed shaft and the second connecting rod being connected with blocking lever, described second connecting rod is provided with chute, and described pitman shaft is located in the chute of second connecting rod through first connecting rod.
As further improvement of the utility model, described blocking lever is provided with two bent plates, and wherein a slice bent plate is connected with second connecting rod, and another sheet bent plate is provided with the second return unit that blocking lever is resetted.
As further improvement of the utility model, described push plate, the same side that ratchet and pawl is located at installing plate, described nut is located at the opposite side of installing plate.
As further improvement of the utility model, described locating rack is provided with termination and cover plate, between described termination and cover plate, be provided with catch, described catch have while installation, block through hole on locating rack primary importance and be pressed after spill the second place of through hole on locating rack.
As further improvement of the utility model, described catch is connected with blocking lever by connecting lever.
The beneficial effects of the utility model are, have increased interlock, and circuit breaker chassis is being driven behind operating position by screw mandrel, and screw mandrel can reliably be interlocked, and make breaker contact unreliable thereby avoid screw mandrel to reverse at work. The advantages such as that the utility model also has is simple in structure, easy to assembly, long service life, reliable in action.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Accompanying drawing 2 is removed the structural representation behind termination 12 for accompanying drawing 1.
Accompanying drawing 3 is the structural representation of accompanying drawing 1 other direction.
Accompanying drawing 4 is the structure enlarged diagram at I place in accompanying drawing 3.
In figure, 1, locating rack; 11, through hole; 12, termination; 13, cover plate; 14, catch; ; 15, connecting lever; 2, location-plate; 3, blocking lever; 31, bent plate; 32, the second return unit; 4, screw mandrel; 5, nut; 6, installing plate; 61, push plate; 62, the first return unit; 63, jointed shaft; 7, interlock; 71, ratchet; 72, ratchet; 8, linkage; 81, first connecting rod; 82, second connecting rod; 821, chute.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
By Fig. 1 in conjunction with Fig. 2, 3, shown in 4, a kind of propulsive mechanism with interlock, comprise locating rack 1, location-plate 2, blocking lever 3 and screw mandrel 4, described locating rack 1 is provided with the through hole 11 passing for screw mandrel 4, one end of described screw mandrel 4 is through location-plate 2, the other end is through locating rack 1, described screw mandrel 4 is provided with nut 5 in location-plate 2 one end, described blocking lever 3 one end are located on locating rack 1, the other end is through location-plate 2, also comprise installing plate 6 and interlock 7, after having screw mandrel 4 and put in place, described interlock 7 drives by blocking lever 3 second place that after primary importance that screw mandrel 4 is interlocked and release, screw mandrel 4 is freely rotated. the beneficial effects of the utility model are, have increased interlock, and circuit breaker chassis is being driven behind operating position by screw mandrel, and screw mandrel can reliably be interlocked, and make breaker contact unreliable thereby avoid screw mandrel to reverse at work. the advantages such as that the utility model also has is simple in structure, easy to assembly, long service life, reliable in action.
Described interlock 7 comprises the ratchet 71 of being located on screw mandrel 4 and is located on installing plate 6 ratchet 72 suitable with ratchet 71. It is spacing that the utility model adopts ratchet and pawl cooperation to carry out screw mandrel, thereby ensure that screw mandrel can not reverse after putting in place, and this interlock action is fast and reliable, is optimal way of the present utility model.
Described installing plate 6 is provided with push plate 61 and the first return unit 62, block mutually with push plate 61 first described return unit 62 one end, the other end is connected with installing plate 6, and the first described return unit 62 has the movement tendency that drives push plate 61 pushing tow ratchets 72 that ratchet 72 and ratchet 71 are blocked mutually. In the utility model, the first return unit is spring, and this spring is by driving push plate that ratchet and ratchet are reliably blocked mutually, thus reversion after avoiding screw mandrel to put in place.
Described push plate 61 is articulated with on installing plate 6 by jointed shaft 63, and described blocking lever 3 is connected with jointed shaft 63 by linkage 8. Described linkage 8 comprises pitman shaft (not providing in figure), the first connecting rod 81 being connected with jointed shaft 63 and the second connecting rod 82 being connected with blocking lever 3, described second connecting rod 82 is provided with chute 821, and described pitman shaft is located in the chute 821 of second connecting rod 82 through first connecting rod 81. Such structure makes blocking lever can drive reliably jointed shaft to rotate, thereby drives push plate to rotate. In the utility model, chute is arranged so that in the time that blocking lever rotates interlocking, second connecting rod can reliably rotate, now pitman shaft can slide a little in chute, and drive first connecting rod, jointed shaft to rotate, thereby ensure that ratchet just in time snaps between two ratchets of ratchet, chute can provide fine setting to ensure the reliable clamping of click.
Described blocking lever 3 is provided with two bent plates 31, and wherein a slice bent plate 31 is connected with second connecting rod 82, and another sheet bent plate 31 is provided with the second return unit 32 that blocking lever 3 is resetted. The second return unit is spring. The utility model is realized and being resetted blocking lever by the second return unit, bent plate be arranged so that product reliable in action. Because blocking lever is square bar, be only cylindrical at testing position place and operating position place, therefore only can drive interlock interlocking or release at testing position place and operating position, and in the process advancing or release, the forward reversion that screw mandrel can be convenient and reliable.
Described push plate 61, ratchet 71 and ratchet 72 is located at the same side of installing plate 6, and described nut 5 is located at the opposite side of installing plate 6. Such structure is convenient to the installation of product.
Described locating rack 1 is provided with termination 12 and cover plate 13, between described termination 12 and cover plate 13, be provided with catch 14, described catch 14 have while installation, block through hole 11 on locating rack 1 primary importance and be pressed after spill the second place of through hole 11 on locating rack 1. Specifically, described catch 14 is connected with blocking lever 3 by connecting lever 15. The change in location of catch can drive blocking lever motion reliably, thereby drives interlock action, and catch the through hole that can block on locating rack is set, avoid maloperation.
Every technical staff's notice: although the utility model describes according to above-mentioned detailed description of the invention; but invention thought of the present utility model is not limited in this utility model; the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (9)
1. one kind has the propulsive mechanism of interlock, comprise locating rack (1), location-plate (2), blocking lever (3) and screw mandrel (4), described locating rack (1) is provided with the through hole (11) passing for screw mandrel (4), one end of described screw mandrel (4) is through location-plate (2), the other end is through locating rack (1), described screw mandrel (4) is provided with nut (5) in location-plate (2) one end, it is characterized in that: described blocking lever (3) one end is located on locating rack (1), the other end is through location-plate (2), also comprise installing plate (6) and interlock (7), after having screw mandrel (4) and put in place, described interlock (7) drives by blocking lever (3) second place that after primary importance that screw mandrel (4) is interlocked and release, screw mandrel (4) is freely rotated.
2. a kind of propulsive mechanism with interlock according to claim 1, is characterized in that described interlock (7) comprises the ratchet (71) of being located on screw mandrel (4) and is located at the ratchet (72) that installing plate (6) is upper and ratchet (71) is suitable.
3. a kind of propulsive mechanism with interlock according to claim 2, it is characterized in that described installing plate (6) is provided with push plate (61) and the first return unit (62), block mutually with push plate (61) described the first return unit (62) one end, the other end is connected with installing plate (6), and described the first return unit (62) has the movement tendency that driving push plate (61) pushing tow ratchet (72) blocks ratchet (72) and ratchet (71) mutually.
4. a kind of propulsive mechanism with interlock according to claim 3, it is characterized in that described push plate (61) is articulated with installing plate (6) by jointed shaft (63) upper, described blocking lever (3) is connected with jointed shaft (63) by linkage (8).
5. a kind of propulsive mechanism with interlock according to claim 4, it is characterized in that described linkage (8) comprises pitman shaft, the first connecting rod (81) being connected with jointed shaft (63) and the second connecting rod (82) being connected with blocking lever (3), described second connecting rod (82) is provided with chute (821), and described pitman shaft is located in the chute (821) of second connecting rod (82) through first connecting rod (81).
6. a kind of propulsive mechanism with interlock according to claim 5, it is characterized in that described blocking lever (3) is provided with two bent plates (31), wherein a slice bent plate (31) is connected with second connecting rod (82), and another sheet bent plate (31) is provided with the second return unit (32) that blocking lever (3) is resetted.
7. a kind of propulsive mechanism with interlock according to claim 3, push plate (61), ratchet (71) and ratchet (72) described in it is characterized in that is located at the same side of installing plate (6), and described nut (5) is located at the opposite side of installing plate (6).
8. a kind of propulsive mechanism with interlock according to claim 1, it is characterized in that described locating rack (1) is provided with termination (12) and cover plate (13), between described termination (12) and cover plate (13), be provided with catch (14), described catch (14) have while installation, block the upper through hole (11) of locating rack (1) primary importance and be pressed after spill the second place of the upper through hole (11) of locating rack (1).
9. a kind of propulsive mechanism with interlock according to claim 8, is characterized in that described catch (14) is connected with blocking lever (3) by connecting lever (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101769.9U CN205265123U (en) | 2015-12-28 | 2015-12-28 | Advancing mechanism with interlocking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101769.9U CN205265123U (en) | 2015-12-28 | 2015-12-28 | Advancing mechanism with interlocking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205265123U true CN205265123U (en) | 2016-05-25 |
Family
ID=56006630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101769.9U Expired - Fee Related CN205265123U (en) | 2015-12-28 | 2015-12-28 | Advancing mechanism with interlocking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205265123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465139A (en) * | 2017-08-16 | 2017-12-12 | 上海洪电电气有限公司 | A kind of switch cabinet handcart propulsion mechanism |
-
2015
- 2015-12-28 CN CN201521101769.9U patent/CN205265123U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465139A (en) * | 2017-08-16 | 2017-12-12 | 上海洪电电气有限公司 | A kind of switch cabinet handcart propulsion mechanism |
| CN107465139B (en) * | 2017-08-16 | 2023-11-03 | 上海洪电电气有限公司 | Handcart propulsion mechanism of switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Address before: 325006, Jixian Road, Wenzhou, Ouhai District, Zhejiang province 12 Patentee before: WENZHOU XINGJI ELECTRIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 |