CN203491145U - Novel cable chamber door interlocking device - Google Patents
Novel cable chamber door interlocking device Download PDFInfo
- Publication number
- CN203491145U CN203491145U CN201320564876.XU CN201320564876U CN203491145U CN 203491145 U CN203491145 U CN 203491145U CN 201320564876 U CN201320564876 U CN 201320564876U CN 203491145 U CN203491145 U CN 203491145U
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- lower door
- plate
- interlocking device
- door
- tooth bar
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Abstract
The utility model relates to a novel cable chamber door interlocking device comprising an interlocking mechanism, a grounding interlock shaft, a tooth bar, a lower door plate locking piece and a pedestal lower doorways; the grounding interlock shaft is arranged on the interlocking mechanism and arranged opposite to the lower door plate; the tooth bar is arranged on a front end face of the pedestal of the cable chamber; the lower door plate locking piece is arranged on the lower door plate; a groove for the lower door locking piece to insert is arranged in the pedestal lower doorways. The cable chamber door interlocking device can improve the cable chamber door interlocking structure of an existing five-prevention interlocking structure, thereby reducing product processing difficulty, and improving product quality and appearance.
Description
Technical field
The utility model belongs to the anti-interlock technical field of ring main unit five, and more particularly the utility model relates to a kind of novel interlocking device for cable vault door.
Background technology
Earthed switch is the main element of ring main unit, is installed on circuit of ring main unit, possesses certain short circuit current making capability, for the reliable ground of a circuit of ring main unit, guarantees the fail safe of maintenance operation; Cable chamber door is the spacer assembly of ring main unit cable vault, will in operating personnel and cable vault, be with high-tension cable effectively to isolate, and guarantees personnel's safety; Earthing switch operating mechanism and cable chamber door are provided with interlocking device, in order to prevent both misoperations.
The Ti Men mechanism of existing ring main unit earthed switch and cable chamber door is for switching cable chamber door but with earthed switch without blocking function, and its locking device is generally latch system; After grounding switch tripping, cam compressing latch on earthed switch driving shaft inserts cable chamber door, cable chamber door is blocked, after earthed switch closes a floodgate, cam on earthed switch driving shaft leaves latch, back-moving spring is upspring latch, makes cable chamber door lock release, and this structure has certain interlock.
Independent mutually because of existing ring main unit earthed switch and cable chamber door blocking mechanism Yu Timen mechanism, Ti Men mechanism, without blocking function, causes interlocking device's utilance not high.Under the cable chamber door interlock main Shi Kao mechanism of the product of this model of at present, producing and using on market and cable vault, door-plate cooperation is achieved.The effect of gate interlock function is: under switch "on" position, operating personnel can not mistakenly entering into charged cable vault.
Existing linkage structure is the most frequently used structure of interlocking, quite simple and general.But this gate interlock structure is to Sheet Metal Part (base), and the required precision of stainless steel casing and mechanism is very high.Reason is: chain shaft diameter 10mm, Linkage mapping hole, Xiamen is generally designed to 13-14mm.In the actual processing of product assembling, there are a lot of parameters: after the inflation of (1) Stainless Steel Shell owing to existing 0.45 kilogram of inside and outside differential pressure to make casing have irregular deformation to affect the assembly precision of mechanism; (2) also there is processing and assembly error in the supporting construction part of air chamber.Above two kinds of immediate causes are difficult to guarantee chain axle and lower door-plate no-float.Common solution is to strengthen chain hole, Xiamen, from 13-14mm, adjust to 16mm, substantially can guarantee that interlocking shaft moves up and down smooth and easy, but other underproof factor has also produced: because chain hole, Xiamen is strengthened, fit clearance at the end face of side and base after lower door-plate closes has just strengthened, and does not meet the requirement of national standard IP33
In order to solve the problems of the technologies described above, the utility model proposes a kind of novel interlocking device for cable vault door, utilize the chain axle of mechanism's ground connection deciliter/have 8mm up-downgoing path difference to form upper and lower spacing assurance gate interlock function during ground connection to be achieved, this device can improve the cable chamber door linkage structure of one of existing five anti-interlocks, reduced the difficulty of product processing, improved the quality of products and outward appearance.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of cable chamber door linkage structure that can improve one of existing five anti-interlocks, and it has reduced the difficulty of product processing, improves the quality of products and outward appearance.
The technical solution of the utility model is: a kind of novel interlocking device for cable vault door, comprise interlocking device, the chain axle of ground connection, tooth bar, lower door-plate lock dog and base Xia Menlan, the chain axle of described ground connection is arranged in interlocking device, and itself and lower door-plate are oppositely arranged, described tooth bar is arranged on the base front end face of cable vault, described lower door-plate lock dog is arranged on lower door-plate, has the groove inserting for described lower door-plate lock dog in hurdle, described base Xiamen.
Further, under combined floodgate and gate-dividing state, the spacing of the chain axle of described ground connection and described lower door-plate is 2mm, and the degree of depth on hurdle, described lower door-plate lock dog inserted base Xiamen is 6mm, and it is 6mm that described lower door-plate coordinates the degree of depth with described tooth bar.
Further, under ground state, after the chain axle of described ground connection moves up under the effect of described interlocking device, be 8mm with the spacing of described lower door-plate, the degree of depth on hurdle, described lower door-plate lock dog inserted base Xiamen is 6mm, and described lower door-plate coordinates the degree of depth with tooth bar be 6mm.
In sum, the beneficial effects of the utility model are: the power line in Portable Automatic take-up battery charger of the present utility model and battery charging wire can be according to the needs that use, the length that selection is pulled out from battery charging wire automatic line receiver and power line automatic line receiver, after charging, power line and battery charging wire all can be retracted in battery charging wire automatic line receiver and power line automatic line receiver simply, what power line and battery charging wire were complete is accommodated in shell, Portable Automatic take-up battery charger of the present utility model is not only easy to carry, also simple to operate, also avoided the wearing and tearing of power line and increased fail safe.
Below by embodiment, be described in more detail the utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing cable chamber door interlocking device;
Fig. 2 is the schematic diagram with the ring main unit of interlocking device for cable vault door of the present utility model.
Fig. 3 is the enlarged drawing of A portion in Fig. 2;
Fig. 4 is the enlarged drawing of C portion in Fig. 2;
Fig. 5 is the enlarged drawing of B portion in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing 1 to Fig. 5, with embodiment, the utility model is further described.But protection range of the present utility model is not limited to this.
Be illustrated in figure 1 existing interlock structure, now ring main unit mechanism is when close/gate-dividing state, and the chain axle 3 of ground connection and mechanism's couplet on the door lock shaft 4 all insert in four location holes of lower door-plate, and lower door-plate can not shift out, and operating personnel can not enter cable vault.Now, deciliter circle that operating personnel can switch, completes energising or the power-off of circuit.
When ring main unit mechanism is in ground state, now, the chain Zhou He of ground connection mechanism couplet on the door lock shaft all upwards shifts out from the individual location hole of lower door-plate, and lower door-plate can be opened, and operating personnel can installing cables, the work such as line maintenance.
The technical solution adopted in the utility model is: remove 4 chain holes on lower door-plate, shorten the chain axle 3 of the chain axle 4(of mechanism ground connection constant), at base front end face, increase by two toothed rack 8, the structure of improving lower door-plate 7 realizes new gate interlock function, is described as follows:
The utility model provides a kind of novel interlocking device for cable vault door, comprise interlocking device 4, the chain axle 3 of ground connection, tooth bar 8, lower door-plate lock dog 9 and hurdle, base Xiamen 6, the chain axle 3 of ground connection arranges in interlocking device 4, and itself and lower door-plate 7 are oppositely arranged, described tooth bar 8 is arranged on the base front end face of cable vault, described lower door-plate lock dog 9 is arranged on lower door-plate 7, has the groove inserting for described Xiamen lock dog 9 in hurdle, described base Xiamen 6.
Closing a floodgate and dividing under circle state, the chain axle 3 of ground connection is 2mm (as shown in Figure 3) with the spacing a of Xiamen, the degree of depth that lower door-plate mortise lock piece 9 enters hurdle, base Xiamen is 6mm, Xiamen coordinates the degree of depth with tooth bar be 6mm, Xiamen be opened and just lower door-plate must be upwards promoted, but owing to there being the spacing of the chain axle 3 of ground connection, lower door-plate can only promote 2mm, but the distance h of opening on lower door-plate and tooth bar and hurdle, Xiamen is 6mm (as shown in Figure 4), so lower door-plate cannot be opened, the chain function of door is achieved.
Under ground state, after moving up under the effect of mechanism, the chain axle 3 of ground connection with the spacing 8mm of Xiamen, now play door-plate status the same with opening and closing state: the degree of depth on hurdle, inserted base Xiamen is 6mm, and Xiamen coordinates the degree of depth with tooth bar be 6mm.The effective travel that upwards promotes lower door-plate is 8mm, lower door-plate upwards promote after 8mm with tooth bar and hurdle, Xiamen to open distance be 2mm, so can open without any stopping under lower this state of door-plate, the chain function of door is achieved, and operating personnel can safeguard and construct.
Interlocking device for cable vault door of the present utility model is not limited to the syndeton in above-described embodiment, can carry out multiple modification, and in a word, all improvement within not departing from the utility model spirit scope all fall in scope of the present utility model.
Claims (3)
1. a novel interlocking device for cable vault door, it is characterized in that, comprise interlocking device, the chain axle of ground connection, tooth bar, lower door-plate lock dog and base Xia Menlan, the chain axle of described ground connection is arranged in described interlocking device, and itself and lower door-plate are oppositely arranged, described tooth bar is arranged on the base front end face of cable vault, and described lower door-plate lock dog is arranged on lower door-plate, has the groove inserting for described lower door-plate lock dog in hurdle, described base Xiamen.
2. novel interlocking device for cable vault door according to claim 1, it is characterized in that, under combined floodgate and gate-dividing state, the spacing of the chain axle of described ground connection and described lower door-plate is 2mm, the degree of depth on hurdle, described lower door-plate lock dog inserted base Xiamen is 6mm, and it is 6mm that described lower door-plate coordinates the degree of depth with described tooth bar.
3. novel interlocking device for cable vault door according to claim 1, it is characterized in that, under ground state, after the chain axle of described ground connection moves up under the effect of described interlocking device, be 8mm with the spacing of described lower door-plate, the degree of depth on hurdle, described lower door-plate lock dog inserted base Xiamen is 6mm, and described lower door-plate coordinates the degree of depth with tooth bar be 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320564876.XU CN203491145U (en) | 2013-09-12 | 2013-09-12 | Novel cable chamber door interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320564876.XU CN203491145U (en) | 2013-09-12 | 2013-09-12 | Novel cable chamber door interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491145U true CN203491145U (en) | 2014-03-19 |
Family
ID=50261956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320564876.XU Expired - Fee Related CN203491145U (en) | 2013-09-12 | 2013-09-12 | Novel cable chamber door interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892144A (en) * | 2017-12-18 | 2018-04-10 | 无锡优耐特能源科技有限公司 | A kind of safty shield module and safety relay device |
-
2013
- 2013-09-12 CN CN201320564876.XU patent/CN203491145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892144A (en) * | 2017-12-18 | 2018-04-10 | 无锡优耐特能源科技有限公司 | A kind of safty shield module and safety relay device |
| CN107892144B (en) * | 2017-12-18 | 2023-08-04 | 无锡优耐特能源科技有限公司 | Safety protection cover module and safety relay device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20210912 |