CN203833407U - Cage outer-cage-door electric distribution system of construction hoist - Google Patents
Cage outer-cage-door electric distribution system of construction hoist Download PDFInfo
- Publication number
- CN203833407U CN203833407U CN201320885934.9U CN201320885934U CN203833407U CN 203833407 U CN203833407 U CN 203833407U CN 201320885934 U CN201320885934 U CN 201320885934U CN 203833407 U CN203833407 U CN 203833407U
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- cage
- switch
- compartment
- railway carriage
- door
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Abstract
The utility model discloses a cage outer-cage-door electric distribution system of a construction hoist. The cage outer-cage-door electric distribution system comprises an isolation module, a control loop protection switch and a cage limitation input module, wherein the control loop protection switch is connected between 380-V three-phase electricity and the isolation module, and the cage limitation input module is connected with the 380-V three-phase electricity and the control loop protection switch through circuits. The isolation module comprises an isolation transformer, a first alternating current contactor and a left-outer-door power indicating lamp, wherein a 380-V voltage is converted by the isolation transformer into a 220-V alternating current, the first alternating current contactor is connected with the low-voltage end of the isolation transformer through a left-outer-door limiting switch, the left-outer-door power indicating lamp is connected with the low-voltage end of the isolation transformer through a first normally-open switch, and the first alternating current contactor is powered on to control the first normally-open switch to be closed. By means of the cage outer-cage-door electric distribution system, electricity is reasonably supplied to a left cage and a right cage, the cages are conveniently overhauled and maintained, and meanwhile the safety of constructors is guaranteed.
Description
Technical field
The utility model relates to the distribution technique that is applied in building hoist field, particularly cage door switching arrangement outside a kind of cage railway carriage or compartment of building hoist.
Background technology
At present, safety and the comfort level of the outer cage door of building lift when concrete use is not ideal, needs new solution.
Although switching arrangement are widely used in lathe and mechanical equipment field, but also by user, do not admitted on building lift, because be not independent speed governing in the use procedure of elevator, the equipment that relates to braking element operational effect in system when starting and the stationarity while stopping and equipment stop.
Utility model content
The purpose of this utility model is to provide cage door switching arrangement outside a kind of cage railway carriage or compartment of building hoist, and this system is reasonably the cage railway carriage or compartment power supply of two of left and right, facilitates the Problem in cage railway carriage or compartment, has guaranteed workmen's safety simultaneously.
In order to realize above object, the utility model is achieved through the following technical solutions:
Outside the cage railway carriage or compartment of building hoist, cage door switching arrangement, are characterized in, comprise:
Isolation module;
Control loop protection switch, it is connected between 380V three-phase electricity and isolation module;
Cage railway carriage or compartment limit load module, it is connected with 380V three-phase electricity, control loop protection switch circuit.
Described isolation module comprises:
Isolating transformer, it is 220V alternating current by 380V voltage transitions;
The first AC contactor, it is connected with the low tension terminal of isolating transformer by left outside door limit switch;
Left outside door power light, it is connected with the low tension terminal of isolating transformer by the first normal open switch;
It is closed that the first normal open switch is controlled in the first described AC contactor energising;
The second AC contactor, it is connected with the low tension terminal of isolating transformer by right outside door limit switch;
Right outside door power light, it is connected with the low tension terminal of isolating transformer by the second normal open switch;
It is closed that the second normal open switch is controlled in the second described AC contactor energising.
Described cage railway carriage or compartment limit load module comprises:
The first overcurrent protection circuit, its one end is connected with 380V three-phase electricity, and its other end is connected with left cage railway carriage or compartment limit switch by the 3rd normal open switch closure;
The second overcurrent protection circuit, its one end is connected with 380V three-phase electricity, and its other end is connected with right cage railway carriage or compartment limit switch by the 4th normal open switch.
The first described overcurrent protection circuit is automatic air-break switch.
The second described overcurrent protection circuit is automatic air-break switch.
The utility model compared with prior art, has the following advantages:
1, the utility model is connected with automatic air-break switch, can prevent that electric current is excessive.
2, the utility model connects isolating transformer, and it is closed by limit switch, to control cage railway carriage or compartment, and while preventing that outer gantry from opening, cage railway carriage or compartment is moved suddenly.
Accompanying drawing explanation
Fig. 1 is the electric power schematic diagram of cage door switching arrangement outside the cage railway carriage or compartment of a kind of building hoist of the utility model.
Fig. 2 is the schematic diagram of the switch box that outside the cage railway carriage or compartment of a kind of building hoist of the utility model, cage door switching arrangement are corresponding.
The specific embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, outside a kind of cage railway carriage or compartment of building hoist, cage door switching arrangement, comprise: isolation module; Control loop protection switch, it is connected between 380V three-phase electricity and isolation module; Cage railway carriage or compartment limit load module, it is connected with 380V three-phase electricity, control loop protection switch circuit.
Isolation module comprises: isolating transformer 11, and it is 220V alternating current by 380V voltage transitions; The first AC contactor KM1, it is connected with the low tension terminal of isolating transformer 11 by left outside door limit switch S1; Left outside door power light HL1, it is connected with the low tension terminal of isolating transformer 11 by the first normal open switch KM1-1; It is closed that the first normal open switch KM1-1 is controlled in the first AC contactor KM1 energising; The second AC contactor KM2, it is connected with the low tension terminal of isolating transformer 11 by right outside door limit switch S2; Right outside door power light HL2, it is connected with the low tension terminal of isolating transformer 11 by the second normal open switch KM2-1; It is closed that the second normal open switch KM2-1 is controlled in the second AC contactor KM2 energising.
Cage railway carriage or compartment limit load module comprises: the first overcurrent protection circuit Q1, and its one end is connected with 380V three-phase electricity, and its other end is connected with left cage railway carriage or compartment limit switch by the 3rd normal open switch KM1-2; The second overcurrent protection circuit Q2, its one end is connected with 380V three-phase electricity, and its other end is connected with right cage railway carriage or compartment limit switch by the 4th normal open switch KM2-2.
The first overcurrent protection circuit Q1 adopts DZ-200 automatic air-break switch of the prior art, and the second overcurrent protection circuit Q2 adopts DZ-200 automatic air-break switch of the prior art.
As shown in Figure 2,380V three-phase electricity is from L1, L2, the L3 input of switch box, and total power light HL3 is bright.After control loop protection switch Q3 closure, isolating transformer 11 has electricity, and isolating transformer 11 output AC 220V are to control loop.When the operation of Huo Youlong railway carriage or compartment, left cage railway carriage or compartment reaches bottom limit position, left outside door limit switch S1 is closed, and the 3rd normal open switch KM1-2 obtains electric closure, and the left cage railway carriage or compartment limit switch of left cage case has the 380V of interchange input, cut off left cage railway carriage or compartment operation power supply, left outside door power light HL1 is bright.If right outside door limit switch S2 is closed, the 4th normal open switch KM2-2 obtains electric closure, and the right cage railway carriage or compartment limit switch of right cage case has the 380V of interchange input, cuts off right cage railway carriage or compartment operation power supply, and right outside door power light HL2 is bright.
If electric current is excessive, overcurrent protection master cock can automatic shutdown circuit.
In sum, cage door switching arrangement outside the cage railway carriage or compartment of a kind of building hoist of the utility model, this system is reasonably the cage railway carriage or compartment power supply of two of left and right, facilitates the Problem in cage railway carriage or compartment, has guaranteed workmen's safety simultaneously.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.Those skilled in the art, read after foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (3)
1. cage door switching arrangement outside the cage railway carriage or compartment of building hoist, is characterized in that, comprise:
Isolation module;
Control loop protection switch (Q3), it is connected between 380V three-phase electricity and isolation module;
Cage railway carriage or compartment limit load module, it is connected with 380V three-phase electricity, control loop protection switch circuit;
Described isolation module comprises:
Isolating transformer (11), it is 220V alternating current by 380V voltage transitions;
The first AC contactor (KM1), it is connected with the low tension terminal of isolating transformer (11) by left outside door limit switch (S1);
Left outside door power light (HL1), it is connected with the low tension terminal of isolating transformer (11) by the first normal open switch (KM1-1);
The first normal open switch (KM1-1) closure is controlled in described the first AC contactor (KM1) energising;
The second AC contactor (KM2), it is connected with the low tension terminal of isolating transformer (11) by right outside door limit switch (S2);
Right outside door power light (HL2), it is connected with the low tension terminal of isolating transformer (11) by the second normal open switch (KM2-1);
The second normal open switch (KM2-1) closure is controlled in described the second AC contactor (KM2) energising;
Described cage railway carriage or compartment limit load module comprises:
The first overcurrent protection circuit (Q1), its one end is connected with 380V three-phase electricity, and its other end is connected with left cage railway carriage or compartment limit switch by the 3rd normal open switch (KM1-2) is closed;
The second overcurrent protection circuit (Q2), its one end is connected with 380V three-phase electricity, and its other end is connected with right cage railway carriage or compartment limit switch by the 4th normal open switch (KM2-2).
2. cage door switching arrangement outside the cage railway carriage or compartment of building hoist as claimed in claim 1, is characterized in that, described the first overcurrent protection circuit (Q1) is automatic air-break switch.
3. cage door switching arrangement outside the cage railway carriage or compartment of building hoist as claimed in claim 1, is characterized in that, described the second overcurrent protection circuit (Q2) is automatic air-break switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885934.9U CN203833407U (en) | 2013-12-31 | 2013-12-31 | Cage outer-cage-door electric distribution system of construction hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885934.9U CN203833407U (en) | 2013-12-31 | 2013-12-31 | Cage outer-cage-door electric distribution system of construction hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203833407U true CN203833407U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320885934.9U Expired - Fee Related CN203833407U (en) | 2013-12-31 | 2013-12-31 | Cage outer-cage-door electric distribution system of construction hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203833407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708311A (en) * | 2013-12-31 | 2014-04-09 | 江苏三上机电制造股份有限公司 | Outer cage door power distribution system for cage compartments of building hoist |
| CN105060036A (en) * | 2015-07-28 | 2015-11-18 | 苏州安至上机电科技有限公司 | Auxiliary power supplying device for monitoring system of constructing lift |
-
2013
- 2013-12-31 CN CN201320885934.9U patent/CN203833407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708311A (en) * | 2013-12-31 | 2014-04-09 | 江苏三上机电制造股份有限公司 | Outer cage door power distribution system for cage compartments of building hoist |
| CN105060036A (en) * | 2015-07-28 | 2015-11-18 | 苏州安至上机电科技有限公司 | Auxiliary power supplying device for monitoring system of constructing lift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |